CN211330945U - Rotary micropore stamping die - Google Patents
Rotary micropore stamping die Download PDFInfo
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- CN211330945U CN211330945U CN201922202179.XU CN201922202179U CN211330945U CN 211330945 U CN211330945 U CN 211330945U CN 201922202179 U CN201922202179 U CN 201922202179U CN 211330945 U CN211330945 U CN 211330945U
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Abstract
The utility model discloses a rotatory micropore stamping die. The device comprises an upper die, a lower die and a discharging part. The upper die comprises an upper die plate, an upper die fixing plate and a punching nozzle. The lower die comprises a lower die plate, a lower die fixing plate, a rotary base plate, a female die and a limiting device. The discharging part comprises a discharging plate and a discharging spring. The length of the punching nozzle is equal to the sum of the thickness of the upper die fixing plate, the thickness of the discharging plate and the distance between the upper die fixing plate and the discharging plate, and the punching nozzle sequentially penetrates through the first punching nozzle through hole and the second punching nozzle through hole. The utility model discloses rotatory micropore stamping die, the design is exquisite, and simple structure can punch out the micropore that the rule distributes, simultaneously, dashes most length of chewing and all receives the protection, has reached and has reduced dashing the swing when chewing the atress, has increased towards the intensity of chewing and has prolonged towards the technological effect of the life who chews.
Description
Technical Field
The utility model belongs to the technical field of stamping die, concretely relates to rotatory micropore stamping die.
Background
In real life, a plurality of mechanical products are provided with micropore structures, such as an oil pump, a water jet, a sound box net and the like, and micropores of part of the products are distributed around the center of the products in a rotating way. These micro-holes are generally machined using a stamping die, which is a special process equipment for machining materials into parts in cold stamping, and is called a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. In a conventional press die, a punching operation is generally performed by fitting an upper die and a lower die.
However, the existing stamping die for stamping the rotating micropores is complex in structure, inconvenient to use, low in stability, easy to cause overlarge punching position deviation, short in service life and easy to scrap.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory micropore stamping die to effectively solve prior art's weak point.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotary micropore stamping die comprises an upper die, a lower die and a discharging part, wherein the upper die comprises an upper die plate, an upper die fixing plate and a punch; the upper die fixing plate is arranged at the bottom of the upper die plate, and a first punch through hole and a spring through hole are formed in the upper die fixing plate; the punching nozzle is arranged in the middle of the bottom of the upper template and penetrates through the first punching nozzle through hole;
the lower die comprises a lower die plate, a rotary base plate, a female die and a limiting device; the rotary backing plate is arranged on the lower template in a rotatable mode; the female die is arranged in the middle of the top of the rotary base plate, and a groove matched with the punch is formed in the female die; the limiting device can limit the rotating base plate;
the discharging part comprises a discharging plate and a discharging spring; the discharge plate is arranged below the upper die fixing plate through the discharge spring, and a second punch through hole is formed in the discharge plate; the upper end of the discharging spring penetrates through the spring through hole and is fixedly connected to the bottom of the upper template, and the lower end of the discharging spring is fixedly connected with the discharging plate;
the length of the punching nozzle is equal to the sum of the thickness of the upper die fixing plate, the thickness of the discharging plate and the distance between the upper die fixing plate and the discharging plate, and the punching nozzle sequentially penetrates through the first punching nozzle through hole and the second punching nozzle through hole.
As a further improvement of the rotary micropore stamping die, the limiting device comprises a limiting strip group arranged on the rotary base plate, a limiting part fixing seat arranged on the lower die plate and a limiting clamping groove which can be movably inserted in the limiting part fixing seat and matched with the limiting strip group.
As a further improvement of the rotary micropore stamping die, the limiting strip group comprises a plurality of limiting teeth, and the limiting teeth are uniformly arranged at intervals of a certain angle around the rotating center of the rotary base plate; each limiting tooth is clamped and matched with the limiting clamping groove.
As a further improvement of the rotary micropore stamping die, the lower die further comprises a deflector rod, and the deflector rod is arranged on the rotary backing plate.
As a further improvement of the rotary micropore stamping die, the rotary micropore stamping die further comprises a guide pillar, wherein the upper end of the guide pillar is connected with the upper die plate, sequentially penetrates through the upper die fixing plate and the stripper plate, and the lower end of the guide pillar is inserted into the female die.
As a further improvement of the rotary micropore stamping die, the guide post is in clearance fit with the stripper plate and the female die.
As a further improvement of the rotary micropore stamping die, the stamping nozzle is in clearance fit with the upper die fixing plate and the discharging plate.
As a further improvement of the rotary micropore stamping die, the rotary base plate is also provided with a positioning piece.
As a further improvement of the rotary micropore stamping die, the rotary micropore stamping die comprises a plurality of stamping nozzles, and the diameters of the stamping nozzles are the same or different.
As a further improvement of the rotary micropore stamping die, the stripper plate is arranged below the upper die fixing plate through bolts and positioning pins.
Compared with the prior art, the utility model discloses a rotatory micropore stamping die has following technological effect at least:
1. the utility model discloses a be provided with the rotatory backing plate that can rotate on the lower mould, need not to demolish the work piece, directly can realize the rotation of work piece with rotatory backing plate is rotatory, and then rotatory micropore is gone out in the punching press.
2. The utility model discloses a be provided with stop device on the lower mould, can carry on spacingly to the pairing rotation backing plate, and spacing tooth interval among the stop device sets up for rotatable certain angle at every turn, but the punching press goes out regularly distributed's micropore.
3. The utility model discloses a stop device, block through spacing draw-in groove and spacing tooth realizes spacingly, simple structure, convenient operation, spacing effect is better.
4. The locating piece on the rotary base plate can be located with the workpiece, and stability of the workpiece under stress is improved.
5. The utility model discloses an it chews to have an upper die fixing plate, stripper and dashing, the length of dashing chewing equals go up the distance sum between the thickness of die fixing plate, the thickness of the stripper and upper die fixing plate and the stripper for most length of dashing chewing all receives the protection, has reached and has reduced and has dashed the swing when chewing the atress, has increased towards the intensity of chewing and the extension towards the technological effect of the life who chews.
6. The upper end of the discharging spring penetrates through the spring through hole and is fixedly connected to the bottom of the upper die plate, the lower end of the discharging spring is fixedly connected with the discharging plate, the middle of the discharging spring is limited by the upper die fixing plate, the swinging of the discharging spring under stress can be reduced, and the stability is higher.
7. The guide pillar can keep the degree of cooperation of going up mould and lower mould, can effectively improve the stability of mould.
In order that the present invention may be more clearly understood, specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the middle and lower dies of the present invention;
FIG. 3 is a three-dimensional schematic view of the structure of the middle and lower dies of the present invention;
FIG. 4 is a schematic view of punch forming of a workpiece;
wherein the reference numerals are:
10. an upper die; 20. a lower die; 30. a discharge member; 40. a guide post; 50. a die shank; 60. a workpiece; 11. mounting a template; 12. an upper die fixing plate; 13. punching a nozzle; 21. a lower template; 22. a lower die fixing plate; 23. rotating the base plate; 24. a female die; 25. a limiting device; 26. a deflector rod; 31. a stripper plate; 32. a discharge spring; 33. a bolt; 34. positioning pins; 231. a positioning member; 251. limiting teeth; 252. a limiting part fixing seat; 253. limiting clamping grooves.
Detailed Description
For solving not enough and the defect that prior art exists, the utility model provides a rotatory micropore stamping die can punch out the micropore of regular distribution, simultaneously, dashes most length of chewing and all receives the protection, has reached and has reduced to dash the swing when chewing the atress, has increased to dash the intensity of chewing and has prolonged the technological effect towards the life who chews.
As shown in fig. 1 to fig. 3, wherein fig. 1 is the structural schematic diagram of the present invention, fig. 2 is the structural schematic diagram of the middle lower die of the present invention, fig. 3 is the structural three-dimensional schematic diagram of the middle lower die of the present invention, and fig. 4 is the schematic diagram of the punch forming of the workpiece.
The utility model relates to a rotatory micropore stamping die, including last mould 10, lower mould 20 and the part 30 of unloading, it includes cope match-plate pattern 11, upper fixing plate 12 and dashes to chew 13 to go up mould 10, lower mould 20 includes lower bolster 21, lower mould fixed plate 22, rotatory backing plate 23, die 24 and stop device 25, the unloading part includes stripper 31 and discharge spring 32. The punching nozzle 13 sequentially penetrates through the upper die fixing plate 12 and the stripper plate 31, and the length of the punching nozzle 13 is equal to the sum of the thickness of the upper die fixing plate 12, the thickness of the stripper plate 31 and the distance between the upper die fixing plate 12 and the stripper plate 31, so that most of the length of the punching nozzle 13 is protected, the swinging of the punching nozzle 13 under stress is reduced, the strength of the punching nozzle 13 is increased, and the service life of the punching nozzle 13 is prolonged.
The respective components of the rotary micropore punching die of the present embodiment will be described in detail below.
The upper die 10 comprises an upper die plate 11, an upper die fixing plate 12 and a punch 13. The upper die fixing plate 12 is fixedly connected to the bottom of the upper die plate 11, and the upper die fixing plate 12 is provided with a first punch through hole and a spring through hole. The punching nozzle 13 is arranged in the middle of the bottom of the upper die plate 11 and penetrates through the first punching nozzle through hole. Wherein said punch 13, which may be called a punch, functions as a punch, which mates with said die 24 and performs a punching operation on the workpiece 60.
Specifically, in the present embodiment, the upper die plate 11 is made of 45 steel, the upper die fixing plate 12 is made of 45 steel, the heat treatment is HRC:40 ° to 45 °, the punch 13 is in clearance fit with the upper die fixing plate 12 and the stripper plate 31, so that the punch 13 can be replaced after being broken, and in the present embodiment, the clearance between the punch 13 and the upper die fixing plate 12 is 0.03 mm. The stripper plate 31 is installed below the upper die fixing plate 12 through a bolt 33 and a positioning pin 34, in this embodiment, a countersunk hole is formed in the upper die plate 11, the positioning pin 34 sequentially penetrates through the upper die plate 11, the upper die fixing plate 12 and the stripper plate 31, the upper end of the positioning pin 34 is clamped in the countersunk hole through the bolt 33, the lower end of the positioning pin 34 is locked in the stripper plate 31, and specifically, an inner hexagonal headless flat-end machine screw can be adopted to tightly push and lock the stripper plate screw, so that the looseness of the lock plate screw is prevented.
As a preferred embodiment, a plurality of punching nozzles 13 can be included, the diameters of the punching nozzles 13 are the same or different, the plurality of punching nozzles 13 can simultaneously punch the workpiece 60, so that the working efficiency is improved, and when the punching nozzles 13 with different diameters are adopted, holes with different sizes can be simultaneously machined, so that the application range is wider. In this example, the punch 13 was used in various diameters, and the punch 13 was of the type SKH51 available from Japan, had a hardness of HRC 60 to 62 ℃ and a length of 42 mm.
The lower die 20 comprises a lower die plate 21, a lower die fixing plate 22, a rotary backing plate 23, a female die 24 and a limiting device 25; the lower die fixing plate 22 is arranged at the bottom of the lower die plate 21; the rotary backing plate 23 is rotatably arranged on the lower die 20 plate; the female die 24 is arranged in the middle of the top of the rotary backing plate 23, and a groove matched with the punch 13 is formed in the female die 24; the limiting device 25 can limit the rotating base plate 23. The rotary backing plate 23 is used for placing a workpiece 60 and is matched with the punch 13 to punch the workpiece 60.
The limiting device 25 comprises a limiting strip group arranged on the rotary backing plate 23, a limiting part fixing seat 252 arranged on the lower template 21, and a limiting clamping groove 253 movably inserted in the limiting part fixing seat 252 and matched with the limiting strip group.
The limiting strip group comprises a plurality of limiting teeth 251, and the limiting teeth 251 are uniformly arranged at intervals of a certain angle around the rotating center of the rotating base plate 23; each of the limiting teeth 251 is engaged with the limiting slot 253.
In this embodiment, the number of the limiting teeth 251 is 4, and 4 limiting teeth 251 are uniformly arranged at intervals of 6 ° around the rotation center of the rotating base plate 23.
In a preferred embodiment, the lower mold 20 further includes a shift lever 26, the shift lever 26 is disposed on the rotating base plate 23, and the shift lever 26 is shifted to drive the rotating base plate 23 to rotate.
Specifically, the female die 24 is made of cold-work die steel D2, and the cold-work die steel D2 is high-carbon high-chromium cold-work die steel widely applied internationally, belongs to ledeburite steel, and has high hardenability, hardenability and high wear resistance; good high-temperature oxidation resistance, good rust resistance after quenching and polishing, and small heat treatment deformation, wherein the heat treatment is HRC of 58-60 degrees.
In a preferred embodiment, the rotating base plate 23 is further provided with a positioning element 231, and the workpiece 60 is positioned by the positioning element 231, so that the stability of the workpiece 60 when being stressed is improved.
The discharging part 30 includes a discharging plate 31 and a discharging spring 32. The stripper plate 31 passes through the discharge spring 32 is installed the upper die fixing plate 12 below, the stripper plate 31 has been seted up the second and has been dashed the through-hole, the upper end of discharge spring 32 passes the spring through-hole rigid coupling is in the cope match-plate pattern 11 bottom, the lower extreme with the stripper plate 31 rigid coupling makes the middle part of discharge spring 32 receive the restriction of upper die fixing plate 12, can reduce the swing when the discharge spring 32 atress, makes stability higher. Specifically, the material of the stripper plate 31 is Cr12, and the heat treatment is HRC 58-60 degrees. The clearance between the stripper plate 31 and the punch 13 is 0.03mm as same as that of the upper die fixing plate 12.
In a preferred embodiment, the stripper plate further comprises guide posts 40, wherein the upper ends of the guide posts 40 are connected to the upper plate 11 and pass through the upper die fixing plate 12 and the stripper plate 31 in sequence, and the lower ends of the guide posts 40 are inserted into the lower die fixing plate 12. Specifically, the guide post 40 is made of SK-3, SUJ 2; the hardness is HRC 58-60 degrees, and specifically 4 guide pillars 40 can be adopted and distributed at 4 angles of the stamping die to improve the parallelism. The guide post 40 is in clearance fit with the stripper plate 31 and the lower die fixing plate 12, and the clearance is 0.03 mm.
Wherein, the length of the punching nozzle 13 is equal to the sum of the thickness of the upper die fixing plate 12, the thickness of the stripper plate 31 and the distance between the upper die fixing plate 12 and the stripper plate 31. In this embodiment, the distance between the upper die fixing plate 12 and the stripper plate 31 is 2.0mm, which is also the stroke of the punch 13, the thickness of the workpiece 60 is 0.8mm, the stroke of 2.0mm is enough to punch through the workpiece 60, the thicknesses of the upper die fixing plate 10 and the stripper plate 31 are both 20mm, that is, the total length of the punch 13 is 42mm, and the length of the punch 13 is 40mm, which is protected inside the die plate, so that the swinging performance of the punch 13 under stress is reduced, the strength of the punch 13 is increased, and the service life of the punch 13 is prolonged.
In addition, a die shank 50 is included, and the die shank 50 is mounted on the top of the upper die plate 11.
The utility model discloses rotatory micropore stamping die's theory of operation as follows:
during work, a workpiece 60 is placed on the rotary backing plate 23, the workpiece 60 is positioned through the positioning piece 231, then power is applied to punch, the upper die 10 and the lower die 20 are closed, the workpiece 60 completes punching under the action of the punch nozzle 13 and the female die 24, the upper die 10 rises after punching is completed, and the workpiece 60 is separated from the discharging plate 31 under the action of the discharging spring 32 and stands on the female die 24. And then the limiting clamping groove 253 is pulled out, the shift lever 26 is shifted, the rotating base plate 23 is rotated by one limiting tooth 251, the limiting clamping groove 253 is inserted into the limiting tooth 251 to be clamped, and the rotating base plate 23 is fixed. And starting to apply power again to punch, and finishing the punching of the micropore at the next position. By analogy, the rotary backing plate 23 is rotated by 6 ° every punching, and the punching of the micro-holes at all 4 positions is completed, as shown in fig. 4.
Compared with the prior art, the utility model discloses a rotatory micropore stamping die has following technological effect at least:
1. the utility model discloses a be provided with the rotatory backing plate that can rotate on the lower mould, need not to demolish the work piece, directly can realize the rotation of work piece with rotatory backing plate is rotatory, and then rotatory micropore is gone out in the punching press.
2. The utility model discloses a be provided with stop device on the lower mould, can carry on spacingly to the pairing rotation backing plate, and spacing tooth interval among the stop device sets up for rotatable certain angle at every turn, but the punching press goes out regularly distributed's micropore.
3. The utility model discloses a stop device, block through spacing draw-in groove and spacing tooth realizes spacingly, simple structure, convenient operation, spacing effect is better.
4. The locating piece on the rotary base plate can be located with the workpiece, and stability of the workpiece under stress is improved.
5. The utility model discloses an it chews to have an upper die fixing plate, stripper and dashing, the length of dashing chewing equals go up the distance sum between the thickness of die fixing plate, the thickness of the stripper and upper die fixing plate and the stripper for most length of dashing chewing all receives the protection, has reached and has reduced and has dashed the swing when chewing the atress, has increased towards the intensity of chewing and the extension towards the technological effect of the life who chews.
6. The upper end of the discharging spring penetrates through the spring through hole and is fixedly connected to the bottom of the upper die plate, the lower end of the discharging spring is fixedly connected with the discharging plate, the middle of the discharging spring is limited by the upper die fixing plate, the swinging of the discharging spring under stress can be reduced, and the stability is higher.
7. The guide pillar can keep the degree of cooperation of going up mould and lower mould, can effectively improve the stability of mould.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A rotary micropore stamping die is characterized by comprising an upper die (10), a lower die (20) and a discharging part (30), wherein the upper die (10) comprises an upper die plate (11), an upper die fixing plate (12) and a punching nozzle (13); the upper die fixing plate (12) is arranged at the bottom of the upper die plate (11), and a first punch through hole and a spring through hole are formed in the upper die fixing plate (12); the punching nozzle (13) is arranged in the middle of the bottom of the upper template (11) and penetrates through the first punching nozzle through hole;
the lower die (20) comprises a lower die plate (21), a lower die fixing plate (22), a rotary backing plate (23), a female die (24) and a limiting device (25); the lower die fixing plate (22) is arranged at the bottom of the lower die plate (21); the rotary backing plate (23) is rotatably arranged on the lower die fixing plate (22); the female die (24) is arranged in the middle of the top of the rotary base plate (23), and a groove matched with the punch (13) is formed in the female die (24); the limiting device (25) can limit the rotating base plate (23);
the discharging part (30) comprises a discharging plate (31) and a discharging spring (32); the discharging plate (31) is arranged below the upper die fixing plate (12) through the discharging spring (32), and a second punch through hole is formed in the discharging plate (31); the upper end of the discharging spring (32) penetrates through the spring through hole and is fixedly connected to the bottom of the upper template (11), and the lower end of the discharging spring (32) is fixedly connected with the discharging plate (31);
the length of the punching nozzle (13) is equal to the sum of the thickness of the upper die fixing plate (12), the thickness of the discharging plate (31) and the distance between the upper die fixing plate (12) and the discharging plate (31), and the punching nozzle (13) sequentially penetrates through the first punching nozzle through hole and the second punching nozzle through hole.
2. The rotary micropore punching die according to claim 1, wherein the limiting device (25) comprises a limiting strip group arranged on the rotary backing plate (23), a limiting part fixing seat (252) arranged on the lower die plate (21), and a limiting clamping groove (253) movably inserted in the limiting part fixing seat (252) and matched with the limiting strip group.
3. The rotary microcellular punching mold according to claim 2, wherein the stopper bar group comprises a plurality of stopper teeth (251), the stopper teeth (251) are uniformly arranged at intervals of a certain angle around a rotation center of the rotary backing plate (23); each limiting tooth (251) is matched with the limiting clamping groove (253) in a clamping mode.
4. A rotary microcellular stamping die according to claim 1, wherein said lower die (20) further comprises a shift lever (26), said shift lever (26) being provided on said rotary backing plate (23).
5. The rotary microcellular punching die according to claim 1, further comprising guide pillars (40), wherein the upper ends of the guide pillars (40) are connected to the upper die plate (11) and sequentially pass through the upper die fixing plate (12) and the stripper plate (31), and the lower ends thereof are inserted into the die cavity (24).
6. A rotary microcellular punching die according to claim 5, wherein said guide pillars (40) are clearance-fitted with said stripper plate (31) and a female die (24).
7. A rotary microcellular punching die according to claim 1, wherein said punch (13) is clearance-fitted with said upper mold fixing plate (12) and said stripper plate (31).
8. A rotary microcellular stamping die according to claim 1, wherein said rotary shim plate (23) is further provided with a positioning member (231).
9. A rotary microcellular punching die according to claim 1, comprising a plurality of said punches (13), said punches (13) having the same or different diameters.
10. A rotary microcellular punching die according to claim 1, wherein said stripper plate (31) is mounted below said upper mold fixing plate (12) by means of bolts (33) and positioning pins (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202179.XU CN211330945U (en) | 2019-12-10 | 2019-12-10 | Rotary micropore stamping die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202179.XU CN211330945U (en) | 2019-12-10 | 2019-12-10 | Rotary micropore stamping die |
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| CN211330945U true CN211330945U (en) | 2020-08-25 |
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| CN201922202179.XU Active CN211330945U (en) | 2019-12-10 | 2019-12-10 | Rotary micropore stamping die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922194A (en) * | 2020-09-08 | 2020-11-13 | 江西江铃底盘股份有限公司 | Square hole punching die for driving rear axle oil baffle disc to have different hole edge distances and process thereof |
-
2019
- 2019-12-10 CN CN201922202179.XU patent/CN211330945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922194A (en) * | 2020-09-08 | 2020-11-13 | 江西江铃底盘股份有限公司 | Square hole punching die for driving rear axle oil baffle disc to have different hole edge distances and process thereof |
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