The invention relates to an intelligent temperature-controlled stamping die, and belongs to the technical field of metal stamping. The intelligent temperature-controlled stamping die comprises an upper die seat and a lower die seat which are oppositely arranged. A male die is arranged on the upper die seat, a female die is arranged on the lower die seat, and a press plate used for blank pressing of stamping and forming pieces is arranged on the female die which comprises a female die plate and a surrounding plate. The surrounding plate is connected with the lower die seat and the female die plate, and a forming cavity is formed by the lower die seat, the female die plate and the surrounding plate. A forming hole used for allowing the male die to move in and out is formed in the female die plate. Temperature sensors are arranged in the male die and the female die at equal intervals, and the output ends of the temperature sensors are sequentially in series connection with an analog-to-digital conversion module and a central processing unit. A 485 communication module is connected at the output end of the central processing unit. Semiconductor chilling plates are arranged beside the temperature sensors. The cold ends of the semiconductor chilling plates fit with the male die and the female die while the hot ends of the same are connected with cooling fins. The input ends of the semiconductor chilling plates are connected with a first power supply after being sequentially connected with an electronic switch and a current-limiting resistor in series. The control end of the electronic switch is connected with the central processing unit.

Intelligent temperature-controlled stamping die

The invention relates to a blanking die with a material-skip-proof function and belongs to the technical field of metal stamping. The blanking die comprises an upper die seat and a lower die seat which are oppositely arranged. A terrace die is arranged on the upper die seat, a recessed die is arranged on the lower die seat, a recessed die hole matched with the terrace die is formed in the recessed die, and a hole located under the recessed die hole is formed in the lower die seat. A conical face with the cone vertex facing outwards is manufactured on the head portion of the terrace die, the taper angle of the conical face is 3.5 degrees, and two cavity lines protruding in the axis direction of the recessed die hole are oppositely arranged on the inner lateral wall of the recessed die hole. The blanking die has the material-skip-proof function.

Blanking die with material-skip-proof function

The invention discloses a restoration method for a wearing mould of an aluminum tire. The restoration method comprises the following restoration steps: firstly, removing a rubber sheet, integrally removing glue on pattern blocks and side plates, cleaning, and removing sundries and high spots on a cooperation face; secondly, carrying out dimensional detection on side plates and the pattern blocks; thirdly, determining welding repairing face and welding repairing amount according to detected results and standard sizes of total clearances of the side plates, the pattern blocks and vertical pattern block seams; fourthly, repairing the side plates; fifthly, repairing the pattern blocks; sixthly, carrying out mould tryout detection and regulating the detection gap of a cavity by using standard pattern shell. According to the restoration method, the problems that rubber rims appear at circular seams and vertical seams at the same time and the diameter of a tire crown subjected vulcanization is small after an aluminum segmental mould is used for a period of time can be thoroughly solved through repairing, the size and the precision of wearing components of the mould are restored, and the reutilization of waste moulds is realized.

Restoration method for wearing mould of aluminum tire

The invention belongs to the field of repair of special screw blades for after-treatment processing of the rubber industry and relates to a repairing method of a screw blade of an expansion dryer. Themethod aims at repairing a part provided with the screw blade with wear and cracks in a long-term operating process. The method comprises steps as follows: firstly, a fatigue layer at a wearing portion of a damaged screw blade matching surface is removed, then an iron-based alloy welding wire with the mechanical property of a base material is selected, additive manufacturing and quenching are performed simultaneously with a cold metal transition and laser cladding compound technology, residual stress in the part after cladding is removed with a pneumatic vibrator method, finally, the part isenabled to restore to the designed size with a precision machining method, and the using performance of the screw blade is restored accordingly. The screw blade of the expansion dryer is subjected toadditive manufacturing repair, the base material keeps at the lower temperature all the time in the additive manufacturing process, and part deformation is almost zero; an obtained additive manufacturing layer is metallurgically bonded with the base material, the automation efficiency is high, and the cost is lower.

Repairing method of screw blade of expansion dryer

The utility model discloses a wear-resistant stamping die with long service life. Hard alloy layers (6) are uniformly arranged on the outer surface of a punch (5); a wear-resistant layer is arranged on the inner surface of a female die (4) and consists of a high-strength elastic composite layer (7) on a vertical section and a resin layer (8) arranged below the high-strength elastic composite layer (7); the resins layer (8) is smoothly connected with the surface of the high-strength elastic composite layer (7). According to the wear-resistant stamping die disclosed by the utility model, the hard alloy layers are arranged on the outer surface of the punch, so that the rigidity and the wear-resistant degree of the punch are enhanced and the service life of the punch is prolonged; the surface of a knife edge part of the female die adopts resin layers and a ceramic particle layer, so that the wear resistance of the female die is greatly improved by utilizing the excellent wear resistance of ceramic particles; the resin layers are uniformly coated on the surface of the ceramic particle layer, so that the impact-resistant strength of the female die is further improved; the high-strength elastic composite layer is arranged on the inner side wall of the knife edge part of the female die, so that the phenomena of single side wear and single side scratch and press can be effectively prevented.

Wear-resistant stamping die with long service life

The invention relates to an intelligent pressure detection stamping die and belongs to the technical field of metal stamping The intelligent pressure detection stamping die comprises an upper die holder and a lower die holder which are arranged opposite to each other, wherein a male die is arranged on the upper die holder; a female die is arranged on the lower die holder; a pressing plate for blank pressing of a stamping forming piece is arranged on the female die; the female die comprises a female die plate and a coaming plate connected with the lower die holder and the female die plate; the lower die holder, the female die plate and the coaming plate form a forming cavity; a forming hole through which the male die can go in and come out of the forming cavity is formed in the female die plate; pressure sensors are paved in the male die and the female die uniformly at intervals; the output ends of the pressure sensors are connected with an analog/digital conversion module and a central processing unit sequentially; and the output port of the central processing unit is connected with a 485 communication module

Intelligent pressure detection stamping die

The invention relates to a laser repairing method for a die. The laser repairing method comprises the following steps: processing, detecting and analyzing the surface of a flaring die to be repaired, and removing a fatigue layer at a wear layer; performing surfacing to the wear part to form a first surfacing layer, then performing surfacing on the first surfacing layer to form a second surfacing, wherein the first surfacing layer is 2mm-3mm thick, and the second surfacing layer is 2mm-3mm thick, and surfacing adopts preset powder conveying mode, and the die is continuously lapped and scanned by taking fast transverse carbon dioxide laser device as a light source. The surface of the flaring die is subjected to laser cladding by adopting the laser repairing method for the die, so that the surface hardness and the dimension of the wear part can achieve the use requirements.

Laser repairing method for die

The invention relates to a wear-proof stamping mould, belonging to the technical field of metal stamping. The mould comprises an upper mould base and a lower mould base both of which are arranged oppositely, wherein the upper mould base is provided with a convex mould; the lower mould base is provided with a concave mould; the concave mould is provided with a pressing plate used for stamping a pressing edge of a molded member; ceramic particles are densely and uniformly arranged on the surfaces of both the convex mould and the concave mould; and a resin layer is uniformly coated on the surfaces of the ceramic particles. The wear-proof stamping mould has a relatively good rigidity and relatively good impact strength.

Tang Quanlin

Papers

Intelligent temperature-controlled stamping die

Intelligent pressure detection stamping die

Blanking die with material-skip-proof function

Laser repairing method for die

Wear-proof stamping mould