CN213671418U - Stamping die for producing breaker contact piece - Google Patents
Stamping die for producing breaker contact piece Download PDFInfo
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- CN213671418U CN213671418U CN202021130640.1U CN202021130640U CN213671418U CN 213671418 U CN213671418 U CN 213671418U CN 202021130640 U CN202021130640 U CN 202021130640U CN 213671418 U CN213671418 U CN 213671418U
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- die
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- groove
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- 239000000463 material Substances 0.000 claims abstract description 62
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The application relates to a stamping die for producing circuit breaker contact piece, including last mould and lower mould, the lower mould with go up and be provided with the guide subassembly between the mould, the guide subassembly including set up in two spacing strips that are parallel to each other of lower mould upper end and rotation set up in spacing strips are close to two sets of spacing wheels of one side each other, and are two sets of form the silo that the feed area slided and passes between the spacing wheel. This application has along the correct direction guide, is applicable to the effect such as material area of different width and thickness.
Description
Technical Field
The application relates to the technical field of stamping dies, in particular to a stamping die for producing a breaker contact piece.
Background
At present, a stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called a cold stamping die (commonly 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. The outer guide sleeve is easily clamped due to deformation in production of the existing stamping die, or the die set deforms to enable the size of a produced product to be unstable, the service life of the die is influenced, and the production efficiency is reduced.
The prior patent grant publication number: CN105195609B "stamping die" discloses a stamping die, which comprises a die set formed by sequentially stacking and parallel an upper die holder, an upper backing plate, an upper clamping plate, a backing plate, a stripper plate, a lower die plate, a lower backing plate and a lower die holder; the spring fixing part is arranged on the main column; the main guide column assembly is arranged in the upper die base and the lower die base; the main guide post assembly comprises a guide post, a lining, an outer guide sleeve, a clamp spring groove and a gland; the part of the guide post, which is contacted with the lower die holder, is also sequentially sleeved with a bushing and an outer guide sleeve; a clamp spring groove is arranged at the contact part of the outer guide sleeve and the lower die holder along the radial direction of the outer guide sleeve; the gland is arranged in the upper die base and is in butt joint with the guide pillar, wherein the axis of the gland is aligned with the axis of the guide pillar.
The above prior art solutions have the following drawbacks: stamping die in the above-mentioned scheme is the continuous production circuit breaker contact piece when using, generally need wear the opposite side by stamping die's one side with the material area to make stamping die can continuous stamping forming, but the material area when getting into stamping die, probably produces askedly, and in order to save the cost, the width in material area is usually narrower, just enough shaping commonly, and in case the material area is askew just can cause the shaping of circuit breaker contact piece incomplete, thereby influence production quality.
SUMMERY OF THE UTILITY MODEL
To the not enough that prior art exists, the purpose of this application is to provide a punching die who is used for producing the circuit breaker contact piece that help material area correctly got into.
The above object of the present application is achieved by the following technical solutions:
the utility model provides a stamping die for producing circuit breaker contact piece, includes mould and lower mould, the lower mould with be provided with the guide subassembly between the last mould, the guide subassembly including set up in two spacing strips that are parallel to each other of lower mould upper end and rotation set up in spacing strips are close to two sets of spacing wheels of one side each other, and are two sets of form the silo that the feed area slided and passes between the spacing wheel.
Through adopting above-mentioned technical scheme, when punching press through this stamping die, get into the material area by the one end that sets up the guide subassembly among the stamping die for when the material area passes from the middle of the guide subassembly, two sets of spacing wheels guarantee that the entering direction in material area is correct when guaranteeing that the material area can slide in to stamping die, can not produce the skew, thereby reduce the production accident because of the crooked production in material area.
The application is further configured to: the lower end of the limiting wheel is provided with a limiting groove for sliding and inserting of the feeding belt.
Through adopting above-mentioned technical scheme, set up first spacing groove at spacing round lower extreme, this spacing groove is the annular, and when the one end in material area was pegged graft and is removed in the spacing groove promptly, the last inner wall of spacing groove lasts the butt in material area upper end to guarantee that the material area can not receive the punching press and lead to the rear end to stick up when sliding because of the front end, make the material loading in material area steady more accurate.
The application is further configured to: the limiting wheel is characterized in that a supporting rod is arranged at one end of the limiting wheel, a sliding groove for inserting and vertically sliding one end of the supporting rod is formed in one end, close to each other, of the limiting strip, a compression spring is embedded in the sliding groove, and the lower end of the compression spring is abutted to the upper end of the supporting rod.
Through adopting above-mentioned technical scheme, support tight bracing piece through compression spring, when the material area itself thickness is thick simultaneously, the material area can slide the grafting at the spacing inslot equally, make this guide subassembly be applicable to the material area of different thickness, give the material area sufficient extrusion force through compression spring simultaneously, make the material area receive external force when deforming, compression spring can produce certain deformation, make the material have certain buffering and avoid damaging, compression spring's restoring force makes spacing round support tight material area simultaneously, make the material area can restore the original condition after deformation and carry out the material loading.
The application is further configured to: the upper end of the limiting strip is vertically connected with an adjusting bolt through threads, and the lower end of the adjusting bolt abuts against the upper end of the compression spring.
Through adopting above-mentioned technical scheme, when the thickness of spacing strip changes, can reach certain degree for guaranteeing the restoring force that compression spring provided, need change the overdraft of compression spring itself, through rotating adjusting bolt in this scheme, make adjusting bolt support tight compression spring, make compression spring deformation, thereby make the overdraft that compression spring provided bigger, this scheme makes the guide subassembly can provide suitable overdraft when facing the material area of different thickness, thereby make the material loading in material area more accurate.
The application is further configured to: and an adjusting shifting plate is arranged at the upper end of the adjusting bolt.
Through adopting above-mentioned technical scheme, set up in adjusting bolt upper end and adjust and dial the board for can directly twist when rotating adjusting bolt and move the regulation and dial the board, make adjusting bolt's rotation more convenient.
The application is further configured to: the lower die upper end perpendicular to spacing strip is seted up and is supplied spacing strip slides fixed mounting groove.
Through adopting above-mentioned technical scheme, through seting up the mounting groove for spacing can slide in the mounting groove, makes the distance between two sets of spacing wheels adjustable, thereby makes this guide subassembly be adapted to the material area of multiple width.
The application is further configured to: the lower mould is in the groove that slides has been seted up to the mounting groove lateral wall, spacing both ends downside be provided with slide peg graft in the strip that slides in the groove that slides, there is positioning bolt spacing upper end through threaded connection, positioning bolt's lower extreme is worn out the strip butt that slides in the mounting groove diapire.
Through adopting above-mentioned technical scheme, through setting up the strip that slides at spacing both ends to make the strip that slides slide in the sliding tray, make spacing can not remove in vertical direction, support tight mounting groove diapire through positioning bolt simultaneously, make this guide subassembly applicable in the material area of the different width in wider.
The application is further configured to: and the upper end of the positioning bolt is provided with a hexagonal screwing groove.
Through adopting above-mentioned technical scheme, the hexagonal is seted up on the positioning bolt and is twisted the groove for the positioning bolt is twisted to common hexagonal spanner in accessible daily life or the mill, makes positioning bolt's regulation more convenient.
To sum up, the beneficial technical effect of this application does:
1. the material belt passing through the space between the limiting wheels is limited by two groups of limiting wheels in the material guide assembly, so that the material belt can enter a stamping die in a correct posture;
2. the supporting rod is tightly propped through the compression spring, and meanwhile, the compression spring is tightened through the adjusting bolt, so that the material guide assembly can be suitable for material belts with different thicknesses;
3. through sliding spacing in the mounting groove to fix through positioning bolt, make this guide subassembly be applicable to the material area of different width.
Drawings
Fig. 1 is a schematic structural view of a stamping die for producing a contact piece of a circuit breaker;
FIG. 2 is a schematic view of a lower mold structure;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a partial exploded view of the guide assembly.
In the figure: 1. an upper die; 2. a lower die; 3. a material guiding assembly; 4. a limiting strip; 5. a limiting wheel; 6. mounting grooves; 7. a sliding groove; 8. a sliding strip; 9. positioning the bolt; 10. a hexagonal screwing groove; 11. a chute; 12. a support bar; 13. a trough; 14. a limiting plate; 15. adjusting the bolt; 16. a compression spring; 17. a boss; 18. adjusting the shifting plate; 19. a limiting groove.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 3, a stamping die for producing a contact piece of a circuit breaker comprises an upper die 1 and a lower die 2, wherein a material guide assembly 3 is arranged between the lower die 2 and the upper die 1, and the material guide assembly 3 comprises two mutually parallel limiting strips 4 arranged at the upper end of the lower die 2 and two sets of limiting wheels 5 rotatably arranged on one sides of the limiting strips 4, which are close to each other.
Mounting groove 6 has been seted up to 2 upper ends of lower mould, and the both ends butt of two spacing 4 in the both sides wall of mounting groove 6, and two spacing 4 can keep being on a parallel level in mounting groove 6 and slide.
Referring to fig. 3 and 4, the lower die 2 is provided with a sliding groove 7 perpendicular to the limiting strip 4 on the side wall of the mounting groove 6, sliding strips 8 are integrally arranged on the lower sides of the two ends of the limiting strip 4, and when the limiting strip 4 slides in the mounting groove 6, the sliding strips 8 slide in the sliding groove 7, so that the limiting strip 4 is limited in the vertical direction.
The upper end of the limiting strip 4 is vertically connected with a positioning bolt 9 through threads, the lower end of the positioning bolt 9 penetrates through the limiting strip 4 and abuts against the bottom wall of the mounting groove 6, when the positioning bolt 9 is screwed down, the lower end of the positioning bolt 9 abuts against the bottom wall of the mounting groove 6, the upper end of the sliding strip 8 abuts against the upper wall of the sliding groove 7, and the limiting strip 4 is positioned.
The upper end of the positioning bolt 9 is coaxially provided with a hexagonal screwing groove 10, and the positioning bolt 9 can be rotated through the hexagonal screwing groove 10.
Two sets of wedge-shaped spout 11 that are seted up have been seted up to the one end that spacing 4 are close to each other, and spout 11 is vertical form, and the vertical grafting that slides has bracing piece 12 in the spout 11, and spacing wheel 5 rotates the one end of connecting being close to each other at bracing piece 12 through the bearing, forms the silo 13 that the feed area passed in the middle of two sets of spacing wheels 5.
Spacing 4 passes through bolt fastening limiting plate 14 in the upper end of spout 11, limiting plate 14 shelters from the upper end of spout 11, there is adjusting bolt 15 at limiting plate 14 middle part through threaded connection, the embedded compression spring 16 that is equipped with of spout 11, compression spring 16's lower extreme butt is in the upper end of bracing piece 12, adjust, adjusting bolt 15's lower extreme penetrates in spout 11, the integrative protruding cylindric boss 17 that is equipped with of its lower extreme, boss 17 side is located to compression spring 16's upper end cover, make and rotate adjusting bolt 15, can compress tightly or relax compression spring 16.
The upper end of the adjusting bolt 15 is integrally provided with an adjusting shifting plate 18, so that the adjusting bolt 15 can be screwed by fingers, and the adjusting bolt is more convenient.
Spacing groove 19 has been seted up to spacing wheel 5 lower extreme, and spacing groove 19 is the annular, and the both ends in material area respectively peg graft in inserting spacing groove 19 for spacing wheel 5 in the upper end in material area is pressed to the upper wall butt of spacing groove 19, thereby it is spacing with the material area, when the material area removed, spacing wheel 5 rotated.
The implementation principle of the embodiment is as follows:
when punching press is carried out through this stamping die, the material area gets into by the one end that sets up guide subassembly 3 in the stamping die, make the material area pass from the spacing groove 19 of two sets of spacing wheels 5 lower extreme, make spacing wheel 5 support tightly in the material area upper end through compression spring 16, two sets of spacing wheels 5 guarantee that the material area can guarantee that the entering direction in material area is correct when guaranteeing that the material area can slide in the stamping die, dial the board 18 through adjusting when the thickness in material area changes and twist adjusting bolt 15, make the material area of this guide subassembly 3 adaptable different thickness, when the width in material area changes, can become flexible positioning bolt 9 and adjust the material area of position between the spacing 4 in order to adapt to different widths.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a stamping die for producing circuit breaker contact piece, includes mould (1) and lower mould (2), its characterized in that: the material guide device is characterized in that a material guide assembly (3) is arranged between the lower die (2) and the upper die (1), the material guide assembly (3) comprises two limiting strips (4) which are parallel to each other and arranged at the upper end of the lower die (2), and two sets of limiting wheels (5) which are arranged on one side of the limiting strips (4) and close to each other, and a material groove (13) for a material belt to slide and penetrate is formed between the limiting wheels (5).
2. The press die for producing a contact piece for a circuit breaker according to claim 1, wherein: the lower end of the limiting wheel (5) is provided with a limiting groove (19) for the material belt to slide and be inserted.
3. The press die for producing a contact piece for a circuit breaker according to claim 2, wherein: spacing wheel (5) one end is provided with bracing piece (12), the confession has been seted up to the one end that spacing strip (4) are close to each other spout (11) that bracing piece (12) one end was pegged graft and vertical slide, spout (11) are embedded to be equipped with compression spring (16), the lower extreme butt of compression spring (16) in the upper end of bracing piece (12).
4. The press die for producing a contact piece for a circuit breaker according to claim 3, wherein: the upper end of the limiting strip (4) is vertically connected with an adjusting bolt (15) through threads, and the lower end of the adjusting bolt (15) is abutted to the upper end of the compression spring (16).
5. The press-die for producing contact pieces for circuit breakers of claim 4, wherein: an adjusting shifting plate (18) is arranged at the upper end of the adjusting bolt (15).
6. The press die for producing a contact piece for a circuit breaker according to claim 1, wherein: the upper end of the lower die (2) is perpendicular to the limiting strips (4) and is provided with mounting grooves (6) for the sliding and fixing of the limiting strips (4).
7. The press-die for producing contact pieces for circuit breakers of claim 6, wherein: lower mould (2) be in sliding groove (7) have been seted up to mounting groove (6) lateral wall, spacing (4) both ends downside is provided with slide peg graft in sliding strip (8) of sliding groove (7), there is positioning bolt (9) spacing (4) upper end through threaded connection, the lower extreme of positioning bolt (9) is worn out sliding strip (8) butt in mounting groove (6) diapire.
8. The press-die for producing contact pieces for circuit breakers of claim 7, wherein: and a hexagonal screwing groove (10) is formed in the upper end of the positioning bolt (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130640.1U CN213671418U (en) | 2020-06-17 | 2020-06-17 | Stamping die for producing breaker contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130640.1U CN213671418U (en) | 2020-06-17 | 2020-06-17 | Stamping die for producing breaker contact piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213671418U true CN213671418U (en) | 2021-07-13 |
Family
ID=76725258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021130640.1U Expired - Fee Related CN213671418U (en) | 2020-06-17 | 2020-06-17 | Stamping die for producing breaker contact piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213671418U (en) |
-
2020
- 2020-06-17 CN CN202021130640.1U patent/CN213671418U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |