CN210877102U

CN210877102U - Self-lubricating stamping die

Info

Publication number: CN210877102U
Application number: CN201921701316.8U
Authority: CN
Inventors: 陈爱国; 陈德国; 余孝林; 邓福根; 侯延兵; 罗振宇
Original assignee: Force Technology Shenzhen Co ltd
Current assignee: Force Technology Shenzhen Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-30
Anticipated expiration: 2029-10-09

Abstract

The utility model belongs to the technical field of stamping die's technique and specifically relates to a self-lubricating stamping die is related to, including cope match-plate pattern, lower bolster, the movable mould that sets up on the cope match-plate pattern and the cover half of setting on the lower bolster, one side of cover half length direction is the feed inlet, be provided with the batch oil tank one on the face of cope match-plate pattern towards the lower bolster, the batch oil tank one is located the one side that is close to the feed inlet, be provided with the cavity on the face of the downward template of batch oil tank one, be provided with cylinder one in the cavity, the piston rod of cylinder one is connected with foam-rubber cushion one, the internal perisporium of cavity is provided with a plurality of nozzles towards foam-rubber cushion one, be provided with the. The utility model discloses have self-lubricate and treat the punching press work piece, improve lubricated effect of treating punching press work piece efficiency.

Description

Self-lubricating stamping die

Technical Field

The utility model belongs to the technical field of stamping die's technique and specifically relates to a self-lubricating stamping die is related to.

Background

Sheet metal is a comprehensive cold working process for sheet metal (generally below 6 mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile bodies), and the like. The remarkable characteristic is that the thickness of the same part is consistent. Because the sheet metal parts are produced in batches, the cost is low, and the production is very rapid, the sheet metal parts are required to be used on more and more electronic products.

Chinese patent publication No. CN205362394U discloses a stamping die for sheet metal parts: including cope match-plate pattern and lower bolster, be equipped with the movable mould on the cope match-plate pattern, be equipped with the cover half on the lower bolster, be equipped with on the cover half and be used for carrying out stamping forming's punching press spare and the trimming part of finishing the convex closure height to the convex closure.

The above prior art solutions have the following drawbacks: in the process of stamping a workpiece, if the workpiece to be stamped is not lubricated and is directly stamped, the smoothness of the workpiece is influenced, the workpiece to be stamped under the condition of no lubrication for a long time can cause die abrasion, so that the service life of the die is shortened, the precision of the die is reduced, manual interval lubricating oil addition is very troublesome, and the lubricating efficiency is very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-lubricating stamping die has self-lubricating and treats the punching press work piece, improves lubricated effect of treating punching press work piece efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a self-lubricating stamping die, includes cope match-plate pattern, lower bolster, sets up the movable mould on the cope match-plate pattern and sets up the cover half on the lower bolster, one side of cover half length direction is the feed inlet, be provided with the batch oil tank one on the face of cope match-plate pattern towards the lower bolster, the batch oil tank one is located the one side that is close to the feed inlet, be provided with the cavity on the face of batch oil tank one towards the lower bolster, be provided with cylinder one in the cavity, the piston rod of cylinder one is connected with foam-rubber cushion one, the internal perisporium of cavity is provided with a plurality of nozzles of orientation foam-rubber cushion one, be provided with the booster compressor of connecting.

Through adopting above-mentioned technical scheme, when the punching machine was used in being arranged in to the mould, the work piece was leading-in from the feed inlet between to movable mould and the cover half, be full of lubricating oil with storage tank one, start the booster compressor, thereby increase the oil pressure in the storage tank one, and then make the lubricating oil in the storage tank one spray on foam-rubber cushion one by the nozzle, foam-rubber cushion absorbs lubricating oil after, drive actuating cylinder one and release foam-rubber cushion one downwards, thereby lubricate workpiece surface, be favorable to realizing that automatic lubrication treats the punching press work piece, improve the lubricated efficiency of treating the punching press work piece.

The utility model discloses further set up to: and a first sealing ring is arranged on the inner wall of the cavity close to the outer wall of the first oil storage tank and is attached to the peripheral wall of the first spongy cushion.

Through adopting above-mentioned technical scheme, when the booster compressor extrudes the lubricating oil in the oil storage tank and pass through the nozzle injection on foam-rubber cushion one, partial lubricating oil is attached to the inner wall of cavity, is favorable to reducing the lubricating oil and leaks the problem that the cavity caused the waste down.

The utility model discloses further set up to: and a fixing block is arranged between the first cylinder and the first sponge pad, and the fixing block and the first sponge pad are the same in shape and size.

Through adopting above-mentioned technical scheme, fix foam-rubber cushion one on the fixed block, after the foam-rubber cushion absorbs lubricating oil, the piston rod that drives actuating cylinder one promotes foam-rubber cushion one downwards, and the fixed block is favorable to reducing the problem of the kickdown deformation that the foam-rubber cushion one leads to because of the action of gravity, and then reduces the influence of taking place to warp a lubricated area of foam-rubber cushion.

The utility model discloses further set up to: the opening of the cavity is provided with a horn cover with a large opening facing the lower template, and the small opening of the horn cover is matched with the opening of the cavity.

Through adopting above-mentioned technical scheme, after the foam-rubber cushion absorbs lubricating oil, drive actuating cylinder one and release foam-rubber cushion, have some lubricating oil and release simultaneously along with foam-rubber cushion, loudspeaker cover one is favorable to restricting lubricating oil sputtering.

The utility model discloses further set up to: be provided with on the lower bolster with the oil storage tank two relative of oil storage tank one, cylinder two has been erect to the bottom surface of oil storage tank two, cylinder two is fixed on the lower bolster and in the piston rod of cylinder two inserted oil storage tank two, the case mouth has been seted up on the face of oil storage tank two towards oil storage tank one, the piston rod of cylinder two is connected with foam-rubber cushion two, the extension limit of the piston rod of cylinder two sets up to push up out the case mouth and push up the work piece with foam-rubber cushion two.

Through adopting above-mentioned technical scheme, fill lubricating oil with oil storage tank two, spongy cushion two soaks in lubricating oil, when treating that the punching press work piece shifts between cover half and the movable mould, start cylinder two to make cylinder two's piston rod propelling movement spongy cushion two support and paste and treat the punching press work piece, make the bottom surface of treating the punching press work piece obtain the lubrication, be favorable to further realizing treating the lubrication of punching press work piece, improve the lubricated effect of treating the punching press work piece.

The utility model discloses further set up to: and a horn cover II is arranged at the box opening, the large opening of the horn cover II faces the upper template, and the small opening of the horn cover II is matched with the box opening in size.

Through adopting above-mentioned technical scheme, when two to the propelling movement foam-rubber cushion of cylinder are supported and are waited to punch the work piece, have partial lubricating oil to be taken up and emerge the case mouth, in the lubricating oil redirecting that horn cover two will emerge returned the oil storage tank two, be favorable to reducing lubricating oil and spill over oil storage tank two.

The utility model discloses further set up to: and a second sealing ring is arranged between the peripheral wall of the piston rod of the second cylinder and the bottom wall of the second oil storage tank.

By adopting the technical scheme, after the piston rod of the second air cylinder is inserted into the second oil storage tank, the second sealing ring abuts against the piston rod of the second air cylinder, so that the leakage of lubricating oil from the insertion end of the piston rod of the second air cylinder is reduced, and the sealing performance of the second oil storage tank is improved.

The utility model discloses further set up to: and a cushion block is arranged between the piston rod of the second cylinder and the second sponge pad, and the shape and the size of the cushion block are the same as those of the second sponge pad.

Through adopting above-mentioned technical scheme, when the piston rod of cylinder two released the oil storage tank two with the two spongy cushions who has absorbed lubricating oil, spongy cushion two was fixed on the cushion, was favorable to reducing spongy cushion two and leads to the deformation of bowing because of gravity to the reduction causes the influence of spongy cushion two lubricated areas because of deformation.

To sum up, the utility model discloses a beneficial technological effect does:

1. the booster is started to enable lubricating oil in the first oil storage tank to be sprayed on the first sponge pad through the nozzle, and the first driving cylinder pushes the first sponge pad downwards and lubricates the surface of a workpiece, so that automatic lubrication of the workpiece to be punched is facilitated, and the efficiency of lubricating the workpiece to be punched is improved;

2. a piston rod of the second air cylinder pushes the second sponge pad to abut against a workpiece to be punched, so that the bottom surface of the workpiece to be punched is lubricated, the workpiece to be punched is further lubricated, and the lubricating effect of the workpiece to be punched is improved;

3. the cushion block is favorable for reducing the downward bending deformation of the second spongy cushion due to gravity, and the influence on the lubricating area of the second spongy cushion due to deformation is reduced.

Drawings

Fig. 1 is a schematic structural view of the entire stamping die in this embodiment.

Fig. 2 is a partial sectional view for embodying the first oil reservoir, the second oil reservoir, the first cylinder, the second cylinder, the first horn cover, and the second horn cover in this embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2 for showing the structure of the nozzle, the fixing block and the first seal ring.

Fig. 4 is an enlarged view of B in fig. 2 to show the structure of the piston rod and the second seal ring of the second cylinder.

In the figure, 1, an upper template; 11. moving the mold; 111. a male die; 12. a guide cylinder; 2. a lower template; 21. fixing a mold; 211. a female die; 22. a guide post; 23. a feed inlet; 3. a first oil storage tank; 31. a cavity; 32. a first cylinder; 33. a fixed block; 34. a first sponge cushion; 35. a supercharger; 36. a first box plug; 37. a first sealing ring; 38. a first horn cover; 39. a nozzle; 4. a second oil storage tank; 41. a second air cylinder; 42. cushion blocks; 43. a second sponge cushion; 44. a second sealing ring; 45. a second horn cover; 46. a box opening; 47. a second box plug; 48. a support frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the self-lubricating stamping die disclosed by the present invention, comprising an upper die plate 1 fixed at the stamping end of a stamping machine (not shown in the figure) and a lower die plate 2 used in match with the upper die plate 1, guide cylinders 12 are respectively fixed at four corners of the upper die plate 1, the lower die plate 2 is correspondingly fixed with guide posts 22 inserted with the four guide cylinders 12, a movable die 11 is fixed on the surface of the upper die plate 1 facing the lower die plate 2, a fixed die 21 matched with the movable die 11 is fixed on the surface of the lower die plate 2 facing the upper die plate 1, a plurality of male dies 111 used for stamping a workpiece are arranged on the movable die 11, a female die 211 used in match with the male dies 111 is arranged on the fixed die 21, a feed port 23 for a stamping workpiece to be moved into for stamping is arranged at one side of the length direction of the fixed die 21, a first oil storage tank 3 is fixed at one side close to the feed port 23 and collinear, a cavity 31 with an opening facing the lower template 2 is formed in the center of the oil storage tank I3, a cylinder I32 with a piston rod vertically downward is fixed in the cavity 31, a spongy cushion I34 used for absorbing lubricating oil is fixedly connected to the piston rod of the cylinder I32, a circle of nozzles 39 are uniformly arranged on the inner peripheral wall of the cavity 31 in the circumferential direction, when the spongy cushion I34 is accommodated in the cavity 31, the nozzles 9 are attached to the outer peripheral wall of the spongy cushion I34, and a supercharger 35 used for supercharging the interior of the oil storage tank I3 is fixed on the oil storage tank I3; when the die is arranged on a punching machine for use, a workpiece is guided into a space between the movable die 11 and the fixed die 21 through the feeding hole 23, an operator opens the first box plug 36 of the first oil storage tank 3, the first oil storage tank 3 is filled with lubricating oil, the booster 35 is started to increase the oil pressure in the first oil storage tank 3, the lubricating oil in the first oil storage tank 3 is sprayed on the first spongy cushion 34 through the nozzle 39, after the first spongy cushion 34 absorbs the lubricating oil, the first driving cylinder 32 pushes the first spongy cushion 34 downwards, the first spongy cushion 34 pastes the lubricating oil on the upper surface of the workpiece to lubricate the upper surface of the workpiece, automatic lubrication is facilitated to be realized for the workpiece to be punched, and the efficiency of lubricating the workpiece to be punched is improved.

Referring to fig. 1 and 2, a second air cylinder 41 is fixed on the lower template 2, a piston rod of the second air cylinder 41 is coaxial with a piston rod of the first air cylinder 32, a second oil storage tank 4 opposite to the first oil storage tank 3 is arranged on the second air cylinder 41 through a support frame 48, the piston rod of the second air cylinder 41 is inserted into the second oil storage tank 4, a second sealing ring 44 is sealed between the piston rod of the second air cylinder 41 and the second oil storage tank 4, the second sealing ring 44 is preferably made of rubber materials and is beneficial to reducing leakage of lubricating oil, a tank opening 46 is formed in the surface, facing the first oil storage tank 3, of the second oil storage tank 4, the piston rod of the second air cylinder 41 is connected with a second sponge cushion 43, and the second sponge cushion 43 can be pushed out from the tank opening 46 and abuts against a workpiece to be; an operator unscrews the second box plug 47, fills the second oil storage tank 4 with lubricating oil, soaks the second foam-rubber cushion 43 in the lubricating oil, and when a workpiece to be punched is transferred between the fixed die 21 and the movable die 11, the second starting cylinder 41 pushes the second foam-rubber cushion 43 to abut against the bottom surface of the workpiece to be punched, so that the bottom surface of the workpiece to be punched is lubricated, further lubrication of the workpiece to be punched is facilitated, and the lubricating effect of the workpiece to be punched is improved.

Referring to fig. 3, a circle of first sealing ring 37 is arranged on the inner wall of the cavity 31, the first sealing ring 37 is located at the opening of the cavity 31 and is flush with the outer wall of the first oil storage tank 3, when the first spongy cushion 34 is accommodated in the cavity 31, the first sealing ring 37 is attached to the outer peripheral wall of the first spongy cushion 34, a first horn cover 38 is arranged at the opening of the cavity 31, a small opening of the first horn cover 38 is fixedly connected with the opening of the cavity 31, and a large opening faces downwards; when an operator starts the booster 35 to extrude the lubricating oil in the oil storage tank I3 and sprays the lubricating oil on the sponge cushion I34 through the nozzle 39, part of the lubricating oil is attached to the inner wall of the cavity 31, the first sealing ring 37 is favorable for blocking the lubricating oil from leaking out of the cavity 31, the problem of waste caused by lubricating oil seepage is reduced, the first sponge cushion I34 absorbs the lubricating oil and pushes out the cavity 31 from the first cylinder 32, part of the lubricating oil is simultaneously pushed out along with the first sponge cushion I34, the first horn cover 38 is favorable for limiting the sputtering of the lubricating oil, and the problem of cleaning of the operator is reduced.

Referring to fig. 3, a piston rod of the first cylinder 32 is fixed with a fixed block 33, the first sponge pad 34 is fixed on the downward surface of the fixed block 33, and the fixed block 33 and the first sponge pad 34 are the same in shape and size; the dead weight grow behind the lubricating oil is absorbed to foam-rubber cushion 34, and at the in-process that the piston rod of cylinder 32 pushed foam-rubber cushion 34 downwards, fixed block 33 is favorable to reducing the problem of the kickdown deformation that foam-rubber cushion 34 leads to because of the action of gravity, and then reduces the influence of taking place to warp lubricated area.

Referring to fig. 2, a horn cover II 45 is arranged at the box opening 46, a large opening of the horn cover II 45 faces the upper template 1, and a small opening is fixedly connected with the box opening 46 and is matched with the box opening 46 in size; when the second cylinder 41 pushes the second sponge pad 43 upwards to abut against a workpiece to be punched, part of lubricating oil is brought up and overflows out of the tank opening 46, and the second horn cover 45 guides the overflowed lubricating oil back to the second oil storage tank 4, so that the lubricating oil overflow of the second oil storage tank 4 is reduced.

Referring to fig. 2, a cushion block 42 is fixed on a piston rod of the second cylinder 41, a second sponge cushion 43 is fixed on the cushion block 42, and the cushion block 42 and the second sponge cushion 43 are the same in shape and size; when the piston rod of the second cylinder 41 pushes the second sponge pad 43 which has absorbed the lubricating oil out of the second oil storage tank 4, the cushion block 42 is favorable for reducing the downward bending deformation of the second sponge pad 43 caused by gravity, so that the influence of the lubricating area of the second sponge pad 43 caused by the deformation is reduced.

The implementation principle of the embodiment is as follows: when placing the mould in the punching machine and using, treat that the stamping workpiece is leading-in from feed inlet 23, start booster compressor 35 extrusion lubricating oil and be full of foam-rubber cushion one 34, start cylinder one 32 and cylinder two 41 to promote foam-rubber cushion one 34 and two 43 pastes the top surface and the bottom surface of treating the punching press work piece, accomplish the lubricated work on treating punching press work piece surface after, start the punching machine and push down cope match-plate pattern 1, accomplish subsequent punching press work.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a self-lubricating stamping die, includes cope match-plate pattern (1), lower bolster (2), sets up movable mould (11) on cope match-plate pattern (1) and cover half (21) of setting on lower bolster (2), its characterized in that: one side of cover half (21) length direction is feed inlet (23), cope match-plate pattern (1) is provided with batch oil tank (3) on the face towards lower bolster (2), batch oil tank (3) are located the one side that is close to feed inlet (23), be provided with cavity (31) on the face towards lower bolster (2) of batch oil tank (3), be provided with cylinder (32) in cavity (31), the piston rod of cylinder (32) is connected with foam-rubber cushion (34), the internal perisporium of cavity (31) is provided with a plurality of nozzles (39) towards foam-rubber cushion (34), be provided with booster compressor (35) of connecting batch oil tank (3) on batch oil tank (3).

2. The self-lubricating stamping die of claim 1, wherein: and a first sealing ring (37) is arranged at the position, close to the outer wall of the first oil storage tank (3), of the inner wall of the cavity (31), and the first sealing ring (37) is attached to the peripheral wall of the first sponge pad (34).

3. The self-lubricating stamping die of claim 1, wherein: a fixing block (33) is arranged between the first cylinder (32) and the first sponge pad (34), and the fixing block (33) and the first sponge pad (34) are the same in shape and size.

4. The self-lubricating stamping die of claim 1, wherein: the opening of the cavity (31) is provided with a first horn cover (38) with a large opening facing the lower template (2), and a small opening of the first horn cover (38) is matched with the opening of the cavity (31).

5. The self-lubricating stamping die of claim 1, wherein: be provided with two (4) of oil storage tanks relative with oil storage tank (3) on lower bolster (2), cylinder two (41) have been erect to the bottom surface of oil storage tank two (4), cylinder two (41) are fixed on lower bolster (2) and in the piston rod of cylinder two (41) inserted oil storage tank two (4), case mouth (46) have been seted up on the face of oil storage tank two (4) orientation oil storage tank one (3), the piston rod of cylinder two (41) is connected with foam-rubber cushion two (43), the extension limit of the piston rod of cylinder two (41) sets up to push out case mouth (46) and the top with foam-rubber cushion two (43) and pastes the work piece.

6. The self-lubricating stamping die of claim 5, wherein: the box opening (46) is provided with a second horn cover (45), the large opening of the second horn cover (45) faces the upper template (1), and the small opening of the second horn cover (45) is matched with the box opening (46) in size.

7. The self-lubricating stamping die of claim 5, wherein: and a second sealing ring (44) is arranged between the peripheral wall of the piston rod of the second cylinder (41) and the bottom wall of the second oil storage tank (4).

8. The self-lubricating stamping die of claim 5, wherein: and a cushion block (42) is arranged between a piston rod of the second cylinder (41) and the second sponge pad (43), and the shape and the size of the cushion block (42) are the same as those of the second sponge pad (43).