Automobile part stamping die with bevel cooling function

Abstract

The utility model discloses an automobile part stamping die with a bevel cooling function. The automobile part stamping die comprises a table body. Two sliding grooves are formed in the surface of the lower die, a hollow frame is fixedly installed in the sliding grooves, a plurality of air guide pipes are fixedly installed on the surface of the hollow frame, two hollow rods with one ends in closed design are symmetrically and fixedly installed on the surface of the lower die through installation assemblies, and piston rods are inserted into the hollow rods in a sliding and sealing mode. A cold air box is arranged on the surface of the placement plate, the hollow rods communicate with the cold air box through air inlet pipes, air outlet pipes are fixedly installed on the surfaces of the hollow rods, the two air outlet pipes communicate with the two hollow frames correspondingly, and the two piston rods are controlled by an abutting assembly to move together. The corner folding device has the advantages that cold air in the cold air box can be automatically sprayed into the two corner folding grooves, so that the corner folding position of a finished product is cooled, and deformation caused by untimely cooling is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to an automobile component stamping die with corner cooling. Background Art

[0002] Automotive parts stamping dies are a general term for dies for stamping all stamped parts on a car body, such as roof flanging dies, beam reinforcement plate forming dies, etc. There are often many folded edges to be stamped on the roof of a car, and these folded edges to be stamped correspond to the angle structure in the lower model cavity.

[0003] The temperature of the folded corners after stamping is higher than that of the rest of the area. If they are not cooled in time, they may deform due to the high temperature, thus affecting the quality of the final product. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an automobile component stamping die with corner cooling.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stamping die for automobile parts with angled cooling, comprising a platform, an L-shaped placement plate fixedly mounted on the upper surface of the platform, a lifting cylinder fixedly mounted on the lower surface of the placement plate, an upper die fixedly mounted on the bottom end of the driving shaft of the lifting cylinder, a lower die fixedly mounted on the upper surface of the platform, a stamping groove is provided on the inner wall of the lower die, and angled grooves are symmetrically provided on the groove wall of the stamping groove; two L-shaped slide grooves are provided on the surface of the lower die, an L-shaped hollow frame is fixedly mounted in the slide groove, a plurality of through openings all connected to the slide groove are provided on the groove wall of the angled groove, and a plurality of through openings all connected to the slide groove are fixedly mounted on the surface of the hollow frame There are multiple air guide pipes, which are respectively located in multiple openings. Two hollow rods with one end designed to be closed are symmetrically fixedly installed on the surface of the lower mold through an installation component. A piston rod is inserted into the sliding seal in the hollow rod. A telescopic component is provided in the hollow rod. A cold air box is provided on the surface of the placement plate. The hollow rod is connected to the cold air box through an air inlet pipe. An air outlet pipe is fixedly installed on the surface of the hollow rod. A first one-way valve is provided in both the air outlet pipe and the air inlet pipe. The two air outlet pipes are respectively connected to the two hollow frames, and the two piston rods are controlled to move together by a pressing component.

[0007] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: the pressure assembly includes a fixed plate fixedly sleeved on the driving shaft of the lifting cylinder and two pressure rods symmetrically rotatably installed on the surface of the fixed plate, one end of the piston rod is fixedly installed with a mounting plate, and the top of the mounting plate is fixedly installed with an inclined plate, and the two pressure rods are respectively located above the two inclined plates.

[0008] In order to better achieve the above purpose, the utility model adopts a further technical solution: the telescopic component includes a telescopic spring located in the hollow rod, and the two ends of the telescopic spring are respectively fixedly connected to the inner wall of the hollow rod and one end of the piston rod.

[0009] In order to better achieve the above purpose, the utility model adopts a further technical solution: the mounting assembly includes a mounting ring fixedly sleeved on the hollow rod and a connecting rod fixedly mounted on the surface of the mounting ring, and one end of the connecting rod is fixedly connected to the surface of the lower mold.

[0010] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: spray assemblies are symmetrically arranged on the upper surface of the platform body, and two groups of the spray assemblies are used to spray water mist toward the lower mold, and the spray assembly includes a hollow tube and an insertion rod inserted in the hollow tube with a sliding seal, and vertical plates are symmetrically fixedly installed on the upper surface of the platform body. The two hollow tubes are horizontally fixedly installed on the surfaces of the two vertical plates respectively, and one end of the two insertion rods is fixedly connected to the surfaces of the two piston rods respectively, and a water tank is symmetrically fixedly installed on the surface of the placement plate, and the hollow tube is connected to the water tank through a water inlet pipe, and a water outlet pipe is fixedly installed on the surface of the hollow tube, and a nozzle is fixedly installed on one end of the water outlet pipe, and a second one-way valve is provided in both the water outlet pipe and the water inlet pipe.

[0011] The advantages of the utility model are: through the cooperation between the pressing component, the piston rod and the hollow rod, when the stamping is completed and the upper mold moves up, the cold air in the cold air box will automatically spray into the two angle grooves, thereby completing the cooling of the corners of the finished product and avoiding deformation due to untimely cooling; when the piston rod moves in the hollow rod, the inserted rod will also move in the hollow tube, and when the cold air enters the angle groove, the water in the water tank will also enter the stamping groove in the form of mist, thereby achieving the effect of cooling the entire formed object. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the front three-dimensional structure of an automobile component stamping die with corner cooling proposed by the utility model;

[0013] Figure 2 This is a top view of a three-dimensional structure schematic diagram of an automobile component stamping die with corner cooling proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the side three-dimensional split structure of a stamping die for automobile parts with corner cooling proposed by the utility model;

[0015] Figure 4It is a partial three-dimensional structural schematic diagram of a hollow rod, a piston rod, a hollow frame and a spray assembly in a stamping die for automobile parts with corner cooling proposed by the utility model;

[0016] Figure 5 for Figure 2 A magnified view of the structure at center;

[0017] Figure 6 for Figure 3 A magnified view of the structure at B in the middle;

[0018] Figure 7 for Figure 3 Enlarged view of the structure at point C in the middle.

[0019] In the figure: 1 body, 2 lifting cylinder, 3 upper die, 4 lower die, 5 punching groove, 6 angle groove, 7 hollow frame, 8 air guide pipe, 9 hollow rod, 10 piston rod, 11 cold air box, 12 air inlet pipe, 13 air outlet pipe, 14 pressure rod, 15 inclined plate, 16 telescopic spring, 17 mounting ring, 18 hollow pipe, 19 plug rod, 20 water storage tank, 21 water inlet pipe, 22 water outlet pipe, 23 nozzle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Reference Figure 1-Figure 7As shown, a stamping die for automobile parts with angled cooling comprises a platform 1, an L-shaped mounting plate is fixedly mounted on the upper surface of the platform 1, a lifting cylinder 2 is fixedly mounted on the lower surface of the mounting plate, an upper die 3 is fixedly mounted on the bottom end of the driving shaft of the lifting cylinder 2, a lower die 4 is fixedly mounted on the upper surface of the platform 1, a stamping groove 5 is provided on the inner wall of the lower die 4, and angled grooves 6 are symmetrically provided on the groove wall of the stamping groove 5; two L-shaped slide grooves are provided on the surface of the lower die 4, an L-shaped hollow frame 7 is fixedly mounted in the slide groove, a plurality of through openings which are all connected to the slide groove are provided on the groove wall of the angled groove 6, a plurality of air guide tubes 8 are fixedly mounted on the surface of the hollow frame 7, and the plurality of air guide tubes 8 are respectively located in the plurality of through openings, and two hollow tubes with one end being closed are symmetrically fixedly mounted on the surface of the lower die 4 through a mounting assembly The core rod 9, the mounting assembly includes a mounting ring 17 fixedly sleeved on the hollow rod 9 and a connecting rod fixedly mounted on the surface of the mounting ring 17, one end of the connecting rod is fixedly connected to the surface of the lower mold 4, a piston rod 10 is inserted in the sliding seal in the hollow rod 9, a telescopic component is provided in the hollow rod 9, the telescopic component includes a telescopic spring 16 located in the hollow rod 9, the two ends of the telescopic spring 16 are respectively fixedly connected to the inner wall of the hollow rod 9 and one end of the piston rod 10, a cold air box 11 is provided on the surface of the placement plate, the hollow rod 9 is connected to the cold air box 11 through the air inlet pipe 12, an air outlet pipe 13 is fixedly mounted on the surface of the hollow rod 9, the air outlet pipe 13 and the air inlet pipe 12 are both provided with a first one-way valve, and the conduction direction of the first one-way valve in the air outlet pipe 13 is from the inside of the hollow rod 9 to the hollow Frame 7, the conduction direction of the first one-way valve in the air inlet pipe 12 is from the cold air box 11 to the hollow rod 9, the two air outlet pipes 13 are respectively connected to the two hollow frames 7, and the two piston rods 10 are controlled to move together by the pressure component. The pressure component includes a fixed plate fixedly sleeved on the driving shaft of the lifting cylinder 2 and two pressure rods 14 symmetrically mounted on the surface of the fixed plate. A mounting plate is fixedly mounted on one end of the piston rod 10, and an inclined plate 15 is fixedly mounted on the top of the mounting plate. The two pressure rods 14 are respectively located above the two inclined plates 15; when the driving shaft of the lifting cylinder 2 moves down with the upper mold 3 for stamping, the two pressure rods 14 will gradually approach the two inclined plates 15 and slide in contact with the two inclined plates 15 respectively, and the inclined surface pressure is applied. When the punching is completed, the upper mold 3 moves upward with the two pressure rods 14 rapidly, and the pressure exerted by the pressure rods 14 on the inclined plate 15 disappears, and the two piston rods 10 move and reset under the elastic potential energy of the telescopic spring 16. At this time, the volume inside the hollow rod 9 becomes smaller and the pressure increases, and the cold air inside the hollow rod 9 enters the hollow frame 7 from the air outlet pipe 13 and is ejected from the multiple air guide pipes 8, thereby acting on the corner of the formed part in the stamping groove 5, thereby completing the cooling of the corner of the finished product and avoiding deformation due to untimely cooling.

[0022] The upper surface of the platform 1 is symmetrically provided with spray assemblies, and the two groups of spray assemblies are used to spray water mist toward the lower mold 4. The spray assembly includes a hollow tube 18 and an insertion rod 19 inserted in the hollow tube 18 with a sliding seal. The upper surface of the platform 1 is symmetrically fixed with vertical plates. The two hollow tubes 18 are horizontally fixedly installed on the surfaces of the two vertical plates respectively. One end of the two insertion rods 19 is fixedly connected to the surface of the two piston rods 10 respectively. A water storage tank 20 is symmetrically fixedly installed on the surface of the placement plate. The hollow tube 18 is connected to the water storage tank 20 through a water inlet pipe 21. A water outlet pipe 22 is fixedly installed on the surface of the hollow tube 18. A nozzle 23 is fixedly installed at one end of the water outlet pipe 22. A second one-way valve is provided in the water outlet pipe 22 and the water inlet pipe 21. The guide of the second one-way valve in the water outlet pipe 22 The flow direction is from the hollow tube 18 to the nozzle 23, and the flow direction of the second one-way valve in the water inlet pipe 21 is from the water tank 20 to the hollow tube 18; when the piston rod 10 moves, it will move with the insertion rod 19. When the upper mold 3 moves down and the piston rod 10 moves with the insertion rod 19, the volume in the hollow tube 18 increases and the pressure decreases. The water in the water tank 20 will enter the hollow tube 18 from the water inlet pipe 21. When the upper mold 3 moves up and the piston rod 10 moves with the insertion rod 19, the volume in the hollow tube 18 decreases and the pressure increases. The water in the hollow tube 18 will enter the nozzle 23 from the water outlet pipe 22 and be sprayed into the stamping groove 5 in the form of mist, thereby achieving the effect of cooling the entire formed object.

[0023] In the utility model, under the action of the pressing component, when the stamping work is completed and the driving shaft of the lifting cylinder 2 moves the upper mold 3 upward, the cold air in the cold air box 11 will enter the two corner grooves 6 respectively, thereby acting on the corners of the formed parts located in the stamping groove 5, completing the cooling of the corners of the finished product, and avoiding deformation due to untimely cooling.

Claims

1. A stamping die for automobile parts with corner cooling, comprising a table (1), characterized in that: An L-shaped placement plate is fixedly mounted on the upper surface of the platform (1), a lifting cylinder (2) is fixedly mounted on the lower surface of the placement plate, an upper die (3) is fixedly mounted on the bottom end of the driving shaft of the lifting cylinder (2), a lower die (4) is fixedly mounted on the upper surface of the platform (1), a punching groove (5) is provided on the inner wall of the lower die (4), and a folding groove (6) is symmetrically provided on the groove wall of the punching groove (5); two L-shaped slide grooves are provided on the surface of the lower die (4), an L-shaped hollow frame (7) is fixedly mounted in the slide groove, a plurality of openings which are all connected to the slide groove are provided on the groove wall of the folding groove (6), and a plurality of air guide pipes (8) are fixedly mounted on the surface of the hollow frame (7), and the plurality of air guide pipes (8) are respectively Located in the multiple openings, the surface of the lower mold (4) is symmetrically fixedly mounted with two hollow rods (9) with one end designed to be closed through a mounting assembly, a piston rod (10) is inserted in a sliding seal in the hollow rod (9), a telescopic component is provided in the hollow rod (9), a cold air box (11) is provided on the surface of the placement plate, the hollow rod (9) is connected to the cold air box (11) through an air inlet pipe (12), an air outlet pipe (13) is fixedly mounted on the surface of the hollow rod (9), a first one-way valve is provided in both the air outlet pipe (13) and the air inlet pipe (12), the two air outlet pipes (13) are respectively connected to the two hollow frames (7), and the two piston rods (10) are controlled to move together through a pressing assembly.

2. The automotive component stamping die with corner cooling according to claim 1, characterized in that: The pressure assembly comprises a fixed plate fixedly sleeved on the driving shaft of the lifting cylinder (2) and two pressure rods (14) symmetrically rotatably mounted on the surface of the fixed plate. One end of the piston rod (10) is fixedly mounted with a mounting plate, and a slanted plate (15) is fixedly mounted on the top of the mounting plate. The two pressure rods (14) are respectively located above the two slanted plates (15).

3. The automotive component stamping die with corner cooling according to claim 1, characterized in that: The telescopic component comprises a telescopic spring (16) located inside the hollow rod (9), and two ends of the telescopic spring (16) are respectively fixedly connected to the inner wall of the hollow rod (9) and one end of the piston rod (10).

4. The automotive component stamping die with corner cooling according to claim 1, characterized in that: The mounting assembly comprises a mounting ring (17) fixedly sleeved on the hollow rod (9) and a connecting rod fixedly mounted on the surface of the mounting ring (17), one end of the connecting rod being fixedly connected to the surface of the lower mold (4).

5. The automobile component stamping die with corner cooling according to claim 1, characterized in that: The upper surface of the platform (1) is symmetrically provided with spray assemblies, and two groups of the spray assemblies are used to spray water mist toward the lower mold (4). The spray assembly comprises a hollow tube (18) and an insertion rod (19) inserted in the hollow tube (18) with a sliding seal. Vertical plates are symmetrically fixedly installed on the upper surface of the platform (1). Two hollow tubes (18) are horizontally fixedly installed on the surfaces of the two vertical plates respectively. One end of the two insertion rods (19) is fixedly connected to the surface of the two piston rods (10) respectively. A water tank (20) is symmetrically fixedly installed on the surface of the placement plate. The hollow tube (18) is connected to the water tank (20) through a water inlet pipe (21). A water outlet pipe (22) is fixedly installed on the surface of the hollow tube (18). A nozzle (23) is fixedly installed at one end of the water outlet pipe (22). A second one-way valve is provided in both the water outlet pipe (22) and the water inlet pipe (21).

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