CN218049927U

CN218049927U - Automobile stamping die with many buffer structure

Info

Publication number: CN218049927U
Application number: CN202221489350.5U
Authority: CN
Inventors: 马赫; 熊博群; 张�焕; 杨雷; 刁旭
Original assignee: Changchun Lizhong Mold Manufacturing Co ltd
Current assignee: Changchun Lizhong Mold Manufacturing Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-16
Anticipated expiration: 2032-06-15

Abstract

The utility model belongs to the technical field of the automobile production mould, especially, be an automobile stamping die with many buffer structures, the on-line screen storage device comprises a base, the top fixed mounting of base has two guide posts, two slidable mounting has the hydraulic drive subassembly on the guide post, the bottom fixed mounting of hydraulic drive subassembly has last mould, first recess has been seted up at the top of base, slidable mounting has the top to be the open-ended die holder in the first recess, fixed mounting has the lower mould in the die holder, the bottom fixed mounting of die holder has two bracing pieces, through simple body and spring mechanism, can realize the multistage buffering to the mould, effectively guarantees the steady of buffer process, and then guarantees stamping die, and can realize blowing off the function to stamping die's dust, and then guarantees the smoothness of mould surface, effectively guarantees that the panel beating can not by dust granule fish tail surface, can effectual improvement product quality, guarantees the yields.

Description

Automobile stamping die with many buffer structure

Technical Field

The utility model belongs to the technical field of the automobile production mould, concretely relates to car stamping die with many buffer structure.

Background

The stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping, called as a cold stamping die (commonly called as a cold stamping die), wherein stamping is a pressure processing method for obtaining a required part by applying pressure to the material by using a die arranged on a press machine at room temperature so as to separate or plastically deform the material.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car stamping die with many buffer structure, through simple body and spring buffer gear, thereby can realize the multistage buffering to the mould, can effectively guarantee the steady of buffer process, and then guarantee the punching press effect, and just can realize blowing off the function to stamping die's dust through simple pull mechanism, and then guarantee the smoothness on mould surface, effectively guarantee that the car panel beating can not produce when the punching press by dust granule fish tail surface, can effectual improvement product quality, guarantee the yields.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automobile stamping die with many buffer structure, includes the base, the top fixed mounting of base has two guide posts, two slidable mounting has hydraulic drive subassembly on the guide post, hydraulic drive subassembly's bottom fixed mounting has last mould, first recess has been seted up at the top of base, slidable mounting has the top to be open-ended die box in the first recess, fixed mounting has the lower mould in the die box, the bottom fixed mounting of die box has two bracing pieces, slidable sleeve is equipped with first spring on the bracing piece, the bottom of first spring and the bottom inner wall contact of first recess, first cavity has been seted up on the base, it has two first through-holes to run through between first cavity and the first recess, the bracing piece slides and runs through first through-hole, slidable mounting has the flotation tank in the first cavity, the top of flotation tank and the equal fixed connection in bottom of two bracing pieces.

The oil-passing hole is formed in the floating box, two second chambers are formed in the base, a second through hole penetrates between each second chamber and the corresponding first chamber, a cylinder is fixedly mounted in each second through hole, one end of each cylinder extends into each second chamber and is fixedly sleeved with a rubber crusty pancake, lubricating oil is arranged in each first chamber, two third chambers are formed in the base, a third through hole penetrates through a top plate of each third chamber, a limiting rod penetrates through each third through hole in a sliding manner, the top end of each limiting rod is fixedly connected with the upper die, a circular plate is fixedly mounted at the bottom end of each limiting rod, a rubber ring is fixedly sleeved on each circular plate, the rubber ring is slidably mounted in each third chamber, a second spring is slidably mounted in each third chamber, and the top end of each second spring is in contact with the circular plate; through setting up like this to can realize making the buffer process more steady to the multistage buffering of lower mould, can effectively improve buffering effect, mould and lower mould in the protection that can be better, can effectively guarantee stamping forming's effect.

The inner wall of one side of the third chamber, which is far away from the first groove, is provided with a first vent hole, an air inlet valve is fixedly mounted in the first vent hole, the top of the base is provided with two second grooves, vertical rods are slidably mounted in the second grooves, third springs are slidably mounted in the second grooves, the top ends of the third springs are in contact with the bottom ends of the vertical rods, air cavities are formed in the vertical rods, the top ends of the vertical rods extend out of the second grooves, a double-end nozzle is fixedly mounted on one side, which is close to the lower die, of the vertical rods, a second vent hole penetrates through a top plate of the third chamber, an exhaust valve is fixedly mounted in the second vent hole, a hose is fixedly communicated with an exhaust port of the exhaust valve, the top end of the hose is fixedly connected with the vertical rods, and the double-end nozzle and the hose are both communicated with the air cavities; through setting up like this to can clear up fast the dust granule on the mould, guarantee the smoothness on mould surface, can effectively reduce the fish tail problem that the dust granule caused to the car sheet metal component surface, thereby guarantee production quality.

The hydraulic driving assembly is provided with two fourth through holes, the guide column penetrates through the fourth through holes in a sliding mode, the side wall of the first groove is provided with a plurality of third through holes, the third through holes are arranged in a rectangular array mode, the inner wall of the first through hole is provided with a plurality of first annular clamping grooves, first sealing rings are fixedly installed in the first annular clamping grooves, and the first sealing rings are sleeved on the limiting rod in a sliding mode; through setting up the fourth through-hole to can make the more steady slip of hydraulic drive subassembly on the guide post, restrict it simultaneously and rock, through setting up first sealing washer, thereby can guarantee the leakproofness of first cavity, avoid lubricating oil to spill over.

The inner walls of two sides of the first cavity are respectively provided with a first sliding chute, two sides of the buoyancy tank are respectively and fixedly provided with a first sliding block, the first sliding blocks are connected with the inner walls of the first sliding chutes in a sliding manner, a circular hole penetrates through the top surface and the bottom surface of each first sliding block, a sliding rod is fixedly arranged in each first sliding chute and penetrates through the circular hole in a sliding manner; through the arrangement, the floating box can move more stably, and shaking is avoided.

A fourth vent hole is formed in the inner wall of one side, away from the first cavity, of the second cavity, and a fifth vent hole is formed in the inner wall of one side, away from the first groove, of the third cavity; by this arrangement, the third chamber lower half and the second chamber can be kept air pressure stable.

Two second annular clamping grooves are formed in the side wall of the third through hole, second sealing rings are fixedly mounted in the second annular clamping grooves, and the second sealing rings are slidably sleeved on the limiting rods; by providing this, the upper half of the third chamber can be sealed to prevent air leakage.

The inner walls of two sides of the second groove are both provided with a second sliding chute, two sides of the upright rod are both fixedly provided with a second sliding block, and the second sliding block is connected with the inner wall of the second sliding chute in a sliding manner; through setting up second spout and second slider to can restrict the sliding distance of pole setting, avoid it to break away from the second recess.

The utility model has the advantages that: the hydraulic driving assembly drives the upper die to vertically descend, the two limiting rods are driven to descend, the limiting rods drive the circular plate to descend to compress the second spring, the reaction force of the second spring provides primary buffering, the upper die drives the lower die to vertically descend and slide into the first groove, the first groove is utilized to limit the shaking of the lower die, the lower die box drives the two supporting rods to descend, the two first springs are compressed and provide secondary buffering, the two supporting rods drive the floating box to descend and dip into lubricating oil, the lubricating oil provides upward buoyancy for the floating box, the buoyancy borne by the floating box provides tertiary buffering, part of the lubricating oil is sprayed out through the oil passing hole and falls down, part of the lubricating oil enters the rubber oil crusty pancake through the second through hole and the cylinder, the rubber oil crusty pancake continuously expands in the second cavity, the oil passing hole and the rubber oil provide a certain force releasing effect for the first cavity, so that the floating box enters the oil more stably, and the multistage buffering for the lower die can be realized through the arrangement, the buffering process is more stable, the buffering effect can be effectively improved, the upper die and the lower die can be better protected through punch forming, and the effect of the punch forming can be effectively guaranteed;

the vertical rod is pressed by the upper die to vertically slide downwards to enter the second groove and compress the third spring, the third spring provides a certain buffer effect for the vertical rod, the vertical rod drives the hose to descend, the limiting rod drives the circular plate to descend, the circular plate drives the rubber ring to slide downwards in the third chamber, under the negative pressure effect, external air enters the third chamber through the first air hole and the air inlet valve, air at the lower part of the third chamber is pressed by the circular plate to be discharged through the fifth air hole, the circular plate sliding difficulty is avoided, the hydraulic driving assembly drives the upper die to ascend, the third spring pushes the vertical rod to ascend, the limiting rod is driven by the upper die to ascend, the limiting rod drives the circular plate to ascend, under the negative pressure effect, the external air enters the lower part of the third chamber through the fifth air hole, the circular plate upwards compresses air at the upper half part in the third chamber, the air enters the hose through the second air hole and the air outlet valve, the air in the hose enters the double-head nozzle through the air cavity and is ejected, after the upper die and lower dies are separated, the air ejected from the two double-head nozzles is used for dust removal and cleaning of the upper die and cleaning of dust particles on the upper die, and lower dies, thereby the dust particles on the surfaces of the dies can be rapidly cleaned, and the surfaces of automobiles, and the surface of the automobiles, and the quality problems of the plates can be effectively reduced and the automobile produced and the automobile parts can be effectively guaranteed.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of a portion C of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the three-dimensional cross-sectional structure of the circular air flotation tank, the support rod and the third circular plate of the present invention.

In the figure: 1. a base; 2. a guide post; 3. a hydraulic drive assembly; 4. an upper die; 5. a first groove; 6. a lower die box; 7. a lower die; 8. a support bar; 9. a first spring; 10. a first chamber; 11. a first through hole; 12. a buoyancy tank; 13. an oil passing hole; 14. a second chamber; 15. a second through hole; 16. a cylinder; 17. rubber oil crusty pancake; 18. lubricating oil; 19. a third chamber; 20. a third through hole; 21. a limiting rod; 22. a circular plate; 23. a rubber ring; 24. a second spring; 25. a first vent hole; 26. an intake valve; 27. a second groove; 28. erecting a rod; 29. a third spring; 30. an air cavity; 31. a double-ended nozzle; 32. a second vent hole; 33. an exhaust valve; 34. a hose.

Detailed Description

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an automobile stamping die with many buffer structure, includes base 1, the top fixed mounting of base 1 has two guide posts 2, two slidable mounting has hydraulic drive subassembly 3 on the guide post 2, the bottom fixed mounting of hydraulic drive subassembly 3 has last mould 4, first recess 5 has been seted up at the top of base 1, slidable mounting has the top to be open-ended die box 6 in the first recess 5, fixed mounting has lower mould 7 in the die box 6, the bottom fixed mounting of die box 6 has two bracing pieces 8, the slidable sleeve is equipped with first spring 9 on the bracing piece 8, the bottom of first spring 9 and the bottom inner wall contact of first recess 5, first cavity 10 has been seted up on the base 1, it has two first through-holes 11 to run through between first cavity 10 and the first recess 5, bracing piece 8 slides and runs through first through-hole 11, slidable mounting has buoyancy tank 12 in the first cavity 10, the top of buoyancy tank 12 and the equal fixed connection in bottom of two bracing pieces 8.

The oil passing hole 13 is formed in the buoyancy tank 12, two second cavities 14 are formed in the base 1, a second through hole 15 penetrates between the second cavities 14 and the first cavity 10, a cylinder 16 is fixedly installed in the second through hole 15, one end of the cylinder 16 extends into the second cavity 14 and is fixedly sleeved with a rubber oil crusty pancake 17, lubricating oil 18 is arranged in the first cavity 10, two third cavities 19 are formed in the base 1, a third through hole 20 penetrates through a top plate of the third cavity 19, a limiting rod 21 penetrates through the third through hole 20 in a sliding manner, the top end of the limiting rod 21 is fixedly connected with the upper die 4, a circular plate 22 is fixedly installed at the bottom end of the limiting rod 21, a rubber ring 23 is fixedly sleeved on the circular plate 22, the rubber ring 23 is installed in the third cavity 19 in a sliding manner, a second spring 24 is installed in the third cavity 19 in a sliding manner, and the top end of the second spring 24 is in contact with the circular plate 22; through setting up like this to can realize making the buffering process more steady to the multistage buffering of lower mould 7, can effectively improve buffering effect, mould 4 and lower mould 7 in the protection that can be better, can effectively guarantee stamping forming's effect.

A first vent hole 25 is formed in the inner wall of one side of the third chamber 19, which is far away from the first groove 5, an air inlet valve 26 is fixedly installed in the first vent hole 25, two second grooves 27 are formed in the top of the base 1, a vertical rod 28 is slidably installed in the second grooves 27, a third spring 29 is slidably installed in the second grooves 27, the top end of the third spring 29 is in contact with the bottom end of the vertical rod 28, an air cavity 30 is formed in the vertical rod 28, the top end of the vertical rod 28 extends out of the second grooves 27, a double-headed nozzle 31 is fixedly installed on one side of the vertical rod 28, which is close to the lower die 7, a second vent hole 32 penetrates through the top plate of the third chamber 19, an exhaust valve 33 is fixedly installed in the second vent hole 32, a hose 34 is fixedly communicated with the exhaust port of the exhaust valve 33, the top end of the hose 34 is fixedly connected with the vertical rod 28, and both the double-headed nozzle 31 and the hose 34 are communicated with the air cavity 30; through setting up like this to can clear up fast the dust granule on the mould, guarantee the smoothness on mould surface, can effectively reduce the fish tail problem that the dust granule caused to the car sheet metal component surface, thereby guarantee production quality.

Two fourth through holes are formed in the hydraulic driving component 3, the guide post 2 penetrates through the fourth through holes in a sliding mode, a plurality of third through holes are formed in the side wall of the first groove 5 and are arranged in a rectangular array mode, a plurality of first annular clamping grooves are formed in the inner wall of each first through hole 11, first sealing rings are fixedly installed in the first annular clamping grooves, and the first sealing rings are sleeved on the limiting rods 21 in a sliding mode; through setting up the fourth through-hole to can make hydraulic drive subassembly 3 more steady slip on guide post 2, restrict it simultaneously and rock, through setting up first sealing washer, thereby can guarantee the leakproofness of first cavity 10, avoid lubricating oil 18 to spill over.

The inner walls of two sides of the first cavity 10 are respectively provided with a first sliding chute, two sides of the floating box 12 are respectively and fixedly provided with a first sliding block, the first sliding blocks are connected with the inner walls of the first sliding chutes in a sliding manner, a circular hole penetrates through the top surface and the bottom surface of each first sliding block, a sliding rod is fixedly arranged in each first sliding chute, and the sliding rod penetrates through the circular hole in a sliding manner; through the arrangement, the floating box 12 can move more stably, and shaking is avoided.

A fourth vent hole is formed in the inner wall of the second chamber 14 on the side away from the first chamber 10, and a fifth vent hole is formed in the inner wall of the third chamber 19 on the side away from the first groove 5; by this arrangement, the lower half of the third chamber 19 and the second chamber 14 can be kept air pressure stable.

Two second annular clamping grooves are formed in the side wall of the third through hole 20, second sealing rings are fixedly installed in the second annular clamping grooves, and the second sealing rings are slidably sleeved on the limiting rod 21; this arrangement makes it possible to seal the upper half of the third chamber 19 and prevent air leakage.

Second sliding grooves are formed in the inner walls of the two sides of the second groove 27, second sliding blocks are fixedly mounted on the two sides of the upright rod 28, and the second sliding blocks are connected with the inner walls of the second sliding grooves in a sliding mode; through the arrangement of the second sliding chute and the second sliding block, the sliding distance of the vertical rod 28 can be limited, and the vertical rod is prevented from being separated from the second groove 27.

The utility model discloses a theory of operation and use flow: when the automobile plate is used, an automobile plate is placed on the lower die 7, the hydraulic driving component 3 is started, the hydraulic driving component 3 slides down on the two guide posts 2, the hydraulic driving component 3 drives the upper die 4 to vertically descend, the two limiting rods 21 are driven to descend, the limiting rods 21 drive the circular plate 22 to descend, the second springs 24 are compressed and provide primary buffering, when the upper die 4 presses the automobile plate into the lower die 7, the upper die 4 drives the lower die 7 to vertically descend, the lower die box 6 is driven to slide into the first groove 5, the lower die box 6 drives the two supporting rods 8 to descend, the two first springs 9 are compressed and provide secondary buffering, the two supporting rods 8 drive the floating box 12 to descend and be immersed into lubricating oil 18, the lubricating oil 18 provides upward buoyancy for the floating box 12, the larger the volume of the floating box 12 immersed into the lubricating oil 18 is, the larger buoyancy is until the floating box 12 is completely immersed into the lubricating oil 18, part of lubricating oil 18 is sprayed out and falls through the oil passing hole 13, meanwhile, part of the lubricating oil 18 enters the rubber oil crusty pancake 17 through the second through hole 15 and the cylinder 16, the rubber oil crusty pancake 17 continuously expands in the second chamber 14, so that the pressure is relieved for the first chamber 10, the buoyancy tank 12 can enter the lubricating oil 18 more stably, the oil passing hole 13 facilitates the complete immersion of the buoyancy tank 12, the buoyancy force borne by the buoyancy tank 12 provides three-level buffering for the lower die 7, through the arrangement, the multistage buffering of the lower die 7 can be realized, the buffering process is more stable, the buffering effect can be effectively improved, the upper die 4 and the lower die 7 can be better protected, the stamping forming effect can be effectively ensured, when the hydraulic driving component 3 moves downwards, the vertical rod 28 is pressed by the upper die 4 to vertically slide downwards to enter the second groove 27, and the vertical rod 28 drives the third spring 29 to be compressed, the upright rod 28 drives the hose 34 to descend, the limiting rod 21 drives the circular plate 22 to descend, the circular plate 22 drives the rubber ring 23 to slide down in the third chamber 19, under the action of negative pressure, external air enters the third chamber 19 through the first vent hole 25 and the air inlet valve 26, air at the lower portion of the third chamber 19 is pressed by the circular plate 22 and discharged through the fifth vent hole, when the hydraulic driving assembly 3 moves upwards to reset, the upper die 4 is driven to rise, the third spring 29 pops out, the upright rod 28 is driven to rise, the limiting rod 21 is driven to rise by the upper die 4, the limiting rod 21 drives the circular plate 22 to rise, under the action of negative pressure, the external air enters the lower portion of the third chamber 19 through the fifth vent hole, the circular plate 22 upwards compresses the upper half air in the third chamber 19, air enters the hose 34 through the second vent hole 32 and the exhaust valve 33, the air in the hose 34 enters the double-head nozzle 31 through the air cavity 30 and is ejected, at the moment, the lower die 4 and the lower die 7 are separated, the air ejected by the two double-head nozzles 31 can clean the upper die 4 and the lower die 7, and the dust on the surface of the die, and the dust on the die can be cleaned, the surface of the die, and the dust on the surface of the automobile can be effectively reduced, and the problem of the surface of dust particles can be effectively guaranteed, and the automobile can be effectively guaranteed, and the quality of the automobile.

Claims

1. The utility model provides an automobile stamping die with many buffer structure which characterized in that: including base (1), the top fixed mounting of base (1) has two guide post (2), two slidable mounting has hydraulic drive subassembly (3) on guide post (2), the bottom fixed mounting of hydraulic drive subassembly (3) has last mould (4), first recess (5) have been seted up at the top of base (1), slidable mounting has the top to be open-ended die box (6) in first recess (5), fixed mounting has lower mould (7) in die box (6), the bottom fixed mounting of die box (6) has two bracing pieces (8), slidable mounting has first spring (9) on bracing piece (8), the bottom of first spring (9) and the bottom inner wall contact of first recess (5), first cavity (10) have been seted up on base (1), it has two first through-holes (11) to run through between first cavity (10) and first recess (5), bracing piece (8) slide and run through first through-hole (11), slidable mounting has case (12) in first cavity (10), the top of flotation tank (12) and two equal fixed connection of bracing piece (8).

2. The automobile stamping die with the multi-buffer structure as claimed in claim 1, wherein: be equipped with on flotation tank (12) oilhole (13) of crossing, two second chambers (14) have been seted up on base (1), it has second through-hole (15) to run through between second chamber (14) and first chamber (10), fixed mounting has drum (16) in second through-hole (15), the one end of drum (16) extends to in second chamber (14) and fixed cover is equipped with rubber oil crusty pancake (17), be equipped with lubricating oil (18) in first chamber (10), two third chambers (19) have been seted up on base (1), it has third through-hole (20) to run through on the roof of third chamber (19), it has gag lever post (21) to run through in third through-hole (20), the top and last mould (4) fixed connection of gag lever post (21), the bottom fixed mounting of gag lever post (21) has plectane (22), fixed cover is equipped with rubber ring (23) on plectane (22), rubber ring (23) slidable mounting is in third chamber (19), install second chamber (19) second spring (24) and interior sliding spring contact top (24).

3. The automobile stamping die with the multi-buffer structure as claimed in claim 2, wherein: seted up first air vent (25) on the one side inner wall of keeping away from first recess (5) third cavity (19), fixed mounting has admission valve (26) in first air vent (25), two second recess (27) have been seted up at the top of base (1), slidable mounting has pole setting (28) in second recess (27), slidable mounting has third spring (29) in second recess (27), the top of third spring (29) and the bottom contact of pole setting (28), air cavity (30) have been seted up on pole setting (28), the top of pole setting (28) extends to outside second recess (27), one side fixed mounting that pole setting (28) are close to lower mould (7) has double-end nozzle (31), it has second air vent (32) to run through on the roof of third cavity (19), fixed mounting has discharge valve (33) in second air vent (32), fixed intercommunication has hose (34) on the gas vent of discharge valve (33), the top and pole setting (28) fixed connection of hose (34), double-end nozzle (31) and air cavity (30) all communicate.

4. The automobile stamping die with the multi-buffer structure as claimed in claim 1, wherein: two fourth through holes are formed in the hydraulic driving assembly (3), the guide post (2) penetrates through the fourth through hole in a sliding mode, a plurality of third through holes are formed in the side wall of the first groove (5) and are arranged in a rectangular array mode, a plurality of first annular clamping grooves are formed in the inner wall of the first through hole (11), a first sealing ring is fixedly mounted in each first annular clamping groove, and the first sealing ring is arranged on the limiting rod (21) in a sliding mode.

5. The automobile stamping die with the multi-buffer structure as claimed in claim 1, wherein: first chutes are formed in the inner walls of the two sides of the first cavity (10), first sliding blocks are fixedly mounted on the two sides of the floating box (12), the first sliding blocks are connected with the inner walls of the first chutes in a sliding mode, round holes penetrate through the top surface and the bottom surface of the first sliding blocks, sliding rods are fixedly mounted in the first chutes and penetrate through the round holes in a sliding mode.

6. The automobile stamping die with the multi-buffer structure as claimed in claim 2, wherein: a fourth vent hole is formed in the inner wall of one side, away from the first cavity (10), of the second cavity (14), and a fifth vent hole is formed in the inner wall of one side, away from the first groove (5), of the third cavity (19).

7. The automobile stamping die with the multi-buffer structure as claimed in claim 2, wherein: two second annular clamping grooves are formed in the side wall of the third through hole (20), second sealing rings are fixedly mounted in the second annular clamping grooves, and the second sealing rings are slidably sleeved on the limiting rods (21).

8. The automobile stamping die with the multi-buffer structure as claimed in claim 3, wherein: the second sliding grooves are formed in the inner walls of the two sides of the second groove (27), the second sliding blocks are fixedly mounted on the two sides of the vertical rod (28), and the second sliding blocks are connected with the inner walls of the second sliding grooves in a sliding mode.