CN108555153B - Stamping die with trade core structure - Google Patents
Stamping die with trade core structure Download PDFInfo
- Publication number
- CN108555153B CN108555153B CN201810605913.4A CN201810605913A CN108555153B CN 108555153 B CN108555153 B CN 108555153B CN 201810605913 A CN201810605913 A CN 201810605913A CN 108555153 B CN108555153 B CN 108555153B
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- Prior art keywords
- die
- core
- clamping
- stamping
- die core
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000000670 limiting effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007723 die pressing method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
Abstract
The invention provides a stamping die with a core replacing structure, wherein a fixed die set, a replaceable die core assembly and a plurality of outer stamping guide mechanisms are arranged between an upper die base and a lower die base; the replaceable die core assembly comprises an upper die core and a lower die core, a plurality of internal stamping guide mechanisms are connected between the upper die core and the lower die core, a first clamping groove is formed in two sides of the upper die core, two die clamping bodies are fixed on the upper die base, a first die clamping projection is fixed on one side, close to the upper die core, of the die clamping body, a die replacing screw hole is formed in one side of the upper die core, a locking clamping groove is formed in one side, close to the lower die core, of the die clamping body, a pressing module is arranged outside the die replacing screw hole, a clamping projection is arranged on one side of the pressing module, and a locking screw penetrates through the pressing module and is in threaded connection with the locking screw hole. The invention can adapt to different stamping demands by replacing the stamping die core, and can effectively reduce the die cost required by different stamping.
Description
Technical Field
The invention relates to a stamping die, and particularly discloses a stamping die with a core-changing structure.
Background
Stamping dies are a special process equipment for processing materials into parts in cold stamping processing, and are called cold stamping dies. Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press machine to be separated or plastically deformed, thereby obtaining a desired part.
When the life production rhythm of the current society is faster and faster, the updating speed of the product is faster and faster, and once the form of the produced product is changed in the stamping production process, the stamping structure is also changed, the stamping die in the prior art is eliminated, and a set of brand new die is required to be newly developed and manufactured for production, so that the mode is long in time consumption and high in cost; many generation processing enterprises currently contract stamping processing works from different entrusters, because the generation processing enterprises need to perform stamping processing of different specifications, a plurality of stamping dies need to be prepared, the die cost is high, and larger cost pressure can be brought to the enterprises.
Disclosure of Invention
Based on this, it is necessary to provide a stamping die with a core replacing structure to solve the problems in the prior art, so as to replace the stamping die core to adapt to different stamping requirements, and effectively reduce the cost required by different stamping.
In order to solve the problems in the prior art, the invention discloses a stamping die with a core replacing structure, which comprises an upper die holder and a lower die holder, wherein a fixed die set, a replaceable die core assembly and a plurality of outer stamping guide mechanisms are arranged between the upper die holder and the lower die holder;
the replaceable die core assembly comprises an upper die core and a lower die core, a plurality of inner stamping guide mechanisms are connected between the upper die core and the lower die core, two sides of the upper die core are respectively provided with a first clamping groove, the upper die base is fixedly provided with two clamping die bodies, one side, close to the upper die core, of each clamping die body is fixedly provided with a first clamping die lug, the first clamping die lug is matched with the first clamping grooves, one side, far away from the limit stop, of each upper die core is provided with a core replacement screw hole, one side, far away from the limit stop, of each lower die core is provided with a locking clamping groove, a pressing module is arranged outside the corresponding core replacement screw hole, one side of each pressing module is provided with a clamping lug, each clamping lug is matched with each locking clamping groove, and each locking screw penetrates through each pressing module and is in threaded connection with each locking screw hole.
Further, the fixed die set is a die core of a three-plate die structure.
Further, the outer punching guide mechanism comprises a first guide post, one end of the first guide post is connected with the lower die holder through a first spring, and the other end of the first guide post is connected with the upper die holder through a first guide sleeve.
Further, the limit stop is an upright cylinder.
Further, a core replacing clamping groove is formed in one side, away from the limit stop, of the upper mold core.
Further, the inner stamping guide mechanism comprises a second guide post, one end of the second guide post is connected with the upper die core through a second spring, and the other end of the second spring is connected with the lower die core through a second guide sleeve.
Further, two sides of the upper mold core are respectively provided with a second clamping groove, one side of the mold clamping body, which is close to the upper mold core, is also fixed with a second mold clamping lug, and the second mold clamping lug is matched with the second clamping groove.
Further, the clamping convex block is hemispherical.
Further, the lower mold core is kept away from the three sides of pressing the module and all is equipped with a first spacing protrusion structure, and one side that fixed mold core is close to lower mold core is equipped with the spacing protrusion structure of second, and one side that fixed mold core was kept away from to lower mold core is equipped with the side limiting plate, and three first spacing protrusion structures match with limit stop, the spacing protrusion structure of second and side limiting plate respectively.
Further, the first limit protruding structure comprises two first limit protruding blocks, the limit stop is provided with two limit protruding blocks, and the second limit protruding structure comprises two second limit protruding blocks.
The beneficial effects of the invention are as follows: the invention discloses a stamping die with a core replacing structure, which is provided with a replaceable stamping die core structure, is matched with a general fixed upper die holder and a general fixed lower die holder for use, and can be used for adapting to different stamping requirements, so that the die cost required by different stamping can be effectively reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention in a top view.
Fig. 2 is a schematic perspective view of the present invention at a main viewing angle.
Fig. 3 is a schematic perspective view of the present invention in a side view.
Fig. 4 is a schematic perspective view of the core changing structure under a side view angle.
The reference numerals are: the die holder comprises an upper die holder 10, a lower die holder 11, a locking screw hole 111, a fixed die set 12, an outer stamping guide mechanism 13, a first guide post 131, a first spring 132, a first guide sleeve 133, a limit stop 14, a die clamping body 15, a first die clamping projection 151, a second die clamping projection 152, a second limit projection 16, a second limit projection 161, a side limit plate 17, a replaceable die core assembly 20, an upper die core 21, a core replacing screw hole 211, a core replacing clamping groove 212, a lower die core 22, a locking clamping groove 221, an inner stamping guide mechanism 23, a second guide post 231, a second spring 232, a second guide sleeve 233, a first clamping groove 241, a second clamping groove 242, a die pressing block 25, a clamping projection 251, a locking screw 252, a first limit projection 26, a first limit projection 261, a core replacing clamping rod 30, a clamping block 31 and a screw 32.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Reference is made to fig. 1 to 4.
The embodiment of the invention discloses a stamping die with a core replacing structure, which comprises an upper die holder 10 and a lower die holder 11, wherein a fixed die set 12, a replaceable die core assembly 20 and a plurality of external stamping guide mechanisms 13 are arranged between the upper die holder 10 and the lower die holder 11, the fixed die set 12 and the replaceable die core assembly 20 are arranged side by side, the fixed die set 12 and the replaceable die core assembly 20 are adjacently arranged, all the external stamping guide mechanisms 13 are arranged to surround the fixed die set 12 and the replaceable die core assembly 20, one side of the replaceable die assembly 20 is provided with a limit stop 14, the limit stop 14 is fixed on the upper die holder 10 and/or the lower die holder 11, preferably, the limit stop 14 is a vertical cylinder, and one side, far away from the limit stop 14, of the lower die holder 11 is provided with a locking screw hole 111;
the replaceable die core assembly 20 comprises an upper die core 21 and a lower die core 22, preferably, the upper die core 21 sequentially comprises an upper base plate, an upper die plate and a stripper plate from top to bottom, the lower die core 22 sequentially comprises a lower base plate and a lower die plate from bottom to top, a plurality of inner stamping guide mechanisms 23 are connected between the upper die core 21 and the lower die core 22, first clamping grooves 241 are respectively arranged on two sides of the upper die core 21, two die clamping bodies 15 are fixedly arranged on the upper die base 10, the two die clamping bodies 15 are respectively arranged on two sides of the upper die core 21, a first die clamping bump 151 is fixedly arranged on one side of the die clamping bodies 15 close to the upper die core 21, the first die clamping bump 151 is matched with the first clamping grooves 241, a die replacing screw hole 211 is arranged on one side of the upper die core 21 away from the limit stop 14, a locking clamping groove 221 is arranged on one side of the lower die core 22 away from the limit stop 14, a die pressing module 25 is arranged outside the die replacing screw hole 211, a clamping bump 251 is arranged on one side of the pressing module 25, the clamping bump 251 is matched with the locking clamping groove 221, and the locking screw 252 passes through the pressing module 25 to be in threaded connection with the locking 111.
The working process of the invention is as follows: the workpiece to be machined is placed between the upper die core 21 and the lower die core 22, and the upper die base 10 and the lower die base 11 are extruded in opposite directions by a die stamping machine, so that the upper die core 21 and the lower die core 22 finish stamping processing on the workpiece to be machined.
The process for replacing the stamping die core comprises the following steps: the die stamping machine loosens the upper die holder 10 and the lower die holder 11, so that a space exists between the upper die core 21 and the lower die core 22, loosens the locking screw 252, takes out the die pressing module 25, takes out the replaceable die core assembly 20 by using the replaceable die core clamping rod 30, wherein the replaceable die core clamping rod 30 comprises a clamping block 31 and a screw rod 32 which is connected with the clamping block by screw threads, the clamping block 31 clamps the position between the upper die core 21 and the lower die core 22, the screw rod 32 is connected with the replaceable die core screw hole 211 by screw threads, and a worker takes out the replaceable die core assembly 20 by carrying the screw rod 32; the replaceable mold core assembly 20 is inserted between the upper mold base 10 and the lower mold base 11 through the replaceable mold core clamping rod 30, the first clamping groove 241 moves along the first clamping mold protruding block 151, the replaceable mold core assembly 20 can be inserted in a certain track, the limit stop 14 stops the replaceable mold core assembly 20 at a critical position, the pressing module 25 is inserted, the clamping protruding block 251 is buckled into the locking clamping groove 221, the pressing module 25 is locked and fixed on the lower mold base 11 through the locking screw 252, the replaceable mold core assembly 20 is locked, and the core replacing operation is completed after the replaceable mold core clamping rod 30 is released.
The invention is provided with the replaceable stamping die core structure, and is matched with the upper die holder and the lower die holder which are generally fixed for use, the stamping die core can be replaced to adapt to different stamping requirements, the die cost required by different stamping can be effectively reduced, in addition, the replacing operation of the stamping die core is simple and convenient, the time required by replacing the stamping die core can be effectively reduced, thereby the line replacing efficiency is effectively improved, the whole structure is stable and reliable, and the smooth stamping work can be effectively ensured.
In this embodiment, the fixing module 12 is a mold core with a three-plate mold structure, and the mold with the three-plate mold structure has lower manufacturing cost, so that the overall cost can be effectively reduced.
In this embodiment, the outer punching guiding mechanism 13 includes a first guide post 131, one end of the first guide post 131 is connected with the lower die holder 11 through a first spring 132, and the other end of the first guide post 131 is connected with the upper die holder 10 through a first guide sleeve 133; the inner stamping guiding mechanism 23 comprises a second guide post 231, one end of the second guide post 231 is connected with the upper die core 21 through a second spring 232, and the other end of the second spring 232 is connected with the lower die core 22 through a second guide sleeve 233. The outer punch guide 13 and the inner punch guide 23 may also be conventional punch guide structures.
In this embodiment, a core replacing clamping groove 212 is disposed on one side of the upper mold core 21 away from the limit stop 14, and the core replacing clamping groove 212 is used for clamping the core replacing clamping rod 30, so that the action of taking out or inserting the replaceable mold core assembly 20 is more stable and reliable, and the overall service life of the replaceable mold core assembly 20 can be effectively prolonged by increasing the stress points.
In this embodiment, the two sides of the upper mold core 21 are further provided with a second clamping groove 242, the second clamping groove 242 is located below the first clamping groove 241, the side of the mold clamping body 15, which is close to the upper mold core 21, is further fixed with a second mold clamping protrusion 152, the second mold clamping protrusion 152 is located below the first mold clamping protrusion 151, and the second mold clamping protrusion 152 is matched with the second clamping groove 242, so that the stability and reliability of the insertion operation of the replaceable mold core assembly 20 can be further improved.
In this embodiment, the locking protrusion 251 has a hemispherical shape, which can improve the smoothness of the insertion of the locking protrusion 251 into the locking groove 221, and can effectively prevent the locking protrusion 251 and the locking groove 221 from being damaged during the insertion and locking process.
In this embodiment, three sides of the lower mold core 22 far away from the pressing module 25 are respectively provided with a first limiting protruding structure 26, one side of the fixed mold core 12 near the lower mold core 22 is provided with a second limiting protruding structure 16, one side of the lower mold core 22 far away from the fixed mold core 12 is provided with a side limiting plate 17, and the three first limiting protruding structures 26 are respectively matched with the limit stop 14, the second limiting protruding structure 16 and the side limiting plate 17. The first limiting protruding structure 26 limits the lower die core 22, so that the lower die core 22 can be effectively prevented from being worn due to sliding, the service life of the lower die core 22 can be effectively prolonged, and the positioning effect can be effectively improved.
In this embodiment, the first limiting protruding structure 26 includes two first limiting protruding blocks 261, preferably, the first limiting protruding blocks 261 are tungsten steel protruding blocks, the wear resistance of tungsten steel is good, the limit stop 14 is provided with two second limiting protruding structures 16 include two second limiting protruding blocks 161, and the first limiting protruding blocks 261 can be respectively in matched contact with the limit stop 14, the second limiting protruding blocks 161 and the side limiting plates 14, so that the reliability of limiting actions can be effectively improved.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The stamping die with the core replacing structure is characterized by comprising an upper die holder (10) and a lower die holder (11), wherein a fixed die set (12), a replaceable die core assembly (20) and a plurality of outer stamping guide mechanisms (13) are arranged between the upper die holder (10) and the lower die holder (11), all the outer stamping guide mechanisms (13) surround the fixed die set (12) and the replaceable die core assembly (20), one side of the replaceable die core assembly (20) is provided with a limit stop (14), the limit stop (14) is fixed on the upper die holder (10) and/or the lower die holder (11), and one side, far away from the limit stop (14), of the lower die holder (11) is provided with a locking screw hole (111);
the replaceable die core assembly (20) comprises an upper die core (21) and a lower die core (22), a plurality of inner stamping guide mechanisms (23) are connected between the upper die core (21) and the lower die core (22), a first clamping groove (241) is formed in two sides of the upper die core (21), two clamping die bodies (15) are fixed on the upper die base (10), a first clamping die protruding block (151) is fixed on one side, close to the upper die core (21), of the clamping die bodies (15), the first clamping die protruding block (151) is matched with the first clamping groove (241), a core replacing screw hole (211) is formed in one side, far away from the limit stop (14), of the upper die core (21), a locking clamping groove (221) is formed in one side, far away from the limit stop (14), of the core replacing screw hole (211) is externally provided with a pressing die block (25), a clamping protruding block (251) is arranged on one side, and the clamping protruding block (251) is matched with the clamping groove (241), and the clamping protruding block (221) is connected with the locking screw (111) in a threaded mode through the locking screw (252);
the inner stamping guide mechanism (23) comprises a second guide post (231), one end of the second guide post (231) is connected with the upper die core (21) through a second spring (232), and the other end of the second spring (232) is connected with the lower die core (22) through a second guide sleeve (233);
the two sides of the upper mold core (21) are respectively provided with a second clamping groove (242), a second clamping convex block (152) is further fixed on one side of the clamping mold body (15) close to the upper mold core (21), and the second clamping convex block (152) is matched with the second clamping grooves (242);
the die core (22) is kept away from down three sides of pressing module (25) all are equipped with a spacing protruding structure (26), fixed die set (12) are close to one side of die core (22) is equipped with spacing protruding structure (16) of second down, lower die core (22) are kept away from one side of fixed die set (12) is equipped with side limiting plate (17), three spacing protruding structure (26) respectively with limit stop (14) spacing protruding structure (16) of second with side limiting plate (17) match.
2. The stamping die with the core changing structure according to claim 1, wherein the fixing die set (12) is a die core of a three-plate die structure.
3. The stamping die with the core replacing structure according to claim 1, wherein the outer stamping guiding mechanism (13) comprises a first guide pillar (131), one end of the first guide pillar (131) is connected with the lower die holder (11) through a first spring (132), and the other end of the first guide pillar (131) is connected with the upper die holder (10) through a first guide sleeve (133).
4. A stamping die with a core changing structure according to claim 1, characterized in that the limit stop (14) is an upstanding cylinder.
5. The stamping die with the core replacing structure according to claim 1, wherein a core replacing clamping groove (212) is formed in one side of the upper die core (21) away from the limit stop (14).
6. The stamping die with the core changing structure according to claim 1, wherein the clamping projection (251) is hemispherical.
7. The stamping die with the core replacing structure according to claim 1, wherein the first limiting protruding structure (26) comprises two first limiting protruding blocks (261), the limiting stop (14) is provided with two limiting protruding structures, and the second limiting protruding structure (16) comprises two second limiting protruding blocks (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605913.4A CN108555153B (en) | 2018-06-13 | 2018-06-13 | Stamping die with trade core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605913.4A CN108555153B (en) | 2018-06-13 | 2018-06-13 | Stamping die with trade core structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555153A CN108555153A (en) | 2018-09-21 |
| CN108555153B true CN108555153B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810605913.4A Active CN108555153B (en) | 2018-06-13 | 2018-06-13 | Stamping die with trade core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108555153B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479865A (en) * | 2019-08-23 | 2019-11-22 | 杭州安费诺嘉力讯连接技术有限公司 | A kind of fast disassembly type stamping die |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149514A (en) * | 1995-10-31 | 1997-05-14 | 张云亮 | Stamping die |
| CN102120249A (en) * | 2010-11-26 | 2011-07-13 | 天津市天锻压力机有限公司 | Turnout mould capable of being preheated and cooled and replacing mould core |
| CN203937107U (en) * | 2014-05-19 | 2014-11-12 | 台达电子（东莞）有限公司 | A kind of lightweight module mould structure |
| CN204817692U (en) * | 2015-06-19 | 2015-12-02 | 歌尔声学股份有限公司 | Die |
| CN205966975U (en) * | 2016-07-25 | 2017-02-22 | 东莞市锐嘉精密机械制造有限公司 | Quick -replaceable punches a hole and makes up cold -punching mold |
| CN207044495U (en) * | 2017-06-06 | 2018-02-27 | 富加宜连接器（东莞）有限公司 | A kind of quick switching structure for plastic mould |
| CN208427612U (en) * | 2018-06-13 | 2019-01-25 | 富加宜连接器（东莞）有限公司 | It is a kind of with the stamping die for changing cored structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120070525A1 (en) * | 2010-09-17 | 2012-03-22 | Cheng Uei Precision Industry Co., Ltd. | Mould with replaceable mould core |
-
2018
- 2018-06-13 CN CN201810605913.4A patent/CN108555153B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149514A (en) * | 1995-10-31 | 1997-05-14 | 张云亮 | Stamping die |
| CN102120249A (en) * | 2010-11-26 | 2011-07-13 | 天津市天锻压力机有限公司 | Turnout mould capable of being preheated and cooled and replacing mould core |
| CN203937107U (en) * | 2014-05-19 | 2014-11-12 | 台达电子（东莞）有限公司 | A kind of lightweight module mould structure |
| CN204817692U (en) * | 2015-06-19 | 2015-12-02 | 歌尔声学股份有限公司 | Die |
| CN205966975U (en) * | 2016-07-25 | 2017-02-22 | 东莞市锐嘉精密机械制造有限公司 | Quick -replaceable punches a hole and makes up cold -punching mold |
| CN207044495U (en) * | 2017-06-06 | 2018-02-27 | 富加宜连接器（东莞）有限公司 | A kind of quick switching structure for plastic mould |
| CN208427612U (en) * | 2018-06-13 | 2019-01-25 | 富加宜连接器（东莞）有限公司 | It is a kind of with the stamping die for changing cored structure |
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| Publication number | Publication date |
|---|---|
| CN108555153A (en) | 2018-09-21 |
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