CN210098702U - Stamping die - Google Patents
Stamping die Download PDFInfo
- Publication number
- CN210098702U CN210098702U CN201920467493.8U CN201920467493U CN210098702U CN 210098702 U CN210098702 U CN 210098702U CN 201920467493 U CN201920467493 U CN 201920467493U CN 210098702 U CN210098702 U CN 210098702U
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- Prior art keywords
- hole flanging
- punch
- die
- hole
- plate
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- 238000004080 punching Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims description 39
- 230000000694 effects Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 26
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Abstract
The utility model relates to a stamping die, the stamping die includes the upper die that sets up on stamping equipment body upper portion to and set up the lower mould in stamping equipment body lower part, the upper die moves about relative to the lower mould, and the upper die and lower mould realize punching a hole to raw and other materials through pressfitting from top to bottom, and the upper die includes that the outer to inner supports the fixed upper die base, upper die backing plate drift fixed plate, takes off the material backplate, takes off the flitch each other; the lower die comprises a lower die base, a lower die base plate and a lower die plate which are mutually abutted and fixed from outside to inside; and a punching punch, a hole flanging punch, a chamfering punch and a hole flanging reshaping punch are sequentially arranged between the upper die and the lower die according to the process transmission direction. The utility model provides a can carry out hole flanging chamfer, and hole flanging chamfer process can not influence the stamping die of hole flanging size originally to spare raw and other materials tip after the punching press hole flanging.
Description
Technical Field
The utility model relates to a metal stamping technical field belongs to mould technical field, especially relates to stamping die.
Background
The stamping die is widely applied in industry, the stamping die comprises an upper die and a lower die which are arranged on a press, and the working principle of the stamping die is that the upper die and the lower die are driven to open and close under the action of the pressure power to separate or plastically deform raw materials between the upper die and the lower die, so that required parts can be processed.
At present, the stamping dies are classified into a single-punch die (single-process die), a progressive die (multi-process die), a compound die, a high-speed die, and the like. In any type of die, a stamping part is formed by cutting, punching, bending, flanging, shaping, hole flanging, stretching, rolling, tongue cutting, convex closure and other processes on raw materials. For example: the patent application numbers are: cn201721830931.x, with patent name: the utility model provides a car precision stamping does not have preimpingement hole flanging structure mould, discloses, a car precision stamping does not have preimpingement hole flanging structure mould, including upper die base, die holder, through the upper padding plate with the punch holder that the upper die base links to each other, this hole flanging structure mould still including pressing flitch, hole flanging needle, hole flanging die, thimble subassembly, through the lower bolster that lower bolster and die holder link to each other, press flitch and lower bolster to form the passageway that supplies the product to pass through, hole flanging hole upper portion sets up in the punch holder, and the lower part sets up in the hole flanging needle holding hole of pressing the flitch, hole flanging hole and pressure flitch sliding fit, hole flanging die set up in the lower bolster, the hole flanging die with the hole flanging needle cooperatees. And the patent application numbers are: CN201720240767.0, patent name: a rotary cutting die structure for hole flanging of a stamping die discloses a rotary cutting die structure for hole flanging of a stamping die, and solves the problems of uneven hole flanging height and hidden hole flanging cracks on part of stamping dies. And the patent application numbers are: CN201521030830.5, patent name: the utility model provides a part hole flanging mould assembly that punches a hole discloses, a part hole flanging mould assembly that punches a hole has cut-out press and hole flanging mould, cut-out press includes the last die carrier of fixed drift and the lower die carrier that is equipped with the die, be equipped with the through-hole that the drift whereabouts passes through on the die, the bottom of going up the die carrier is equipped with the stripper, hole flanging mould including have last die core with be equipped with go up the lower mould of the lower die core that the die core corresponds, be equipped with the recess on going up the die core, be equipped with on the lower mould and stretch into hole flanging drift in the recess of last die core.
In summary, after a hole flanging process is performed on a part, burrs exist at the end of a formed hole flanging of the existing stamping die, and when the part needs to pass through the hole flanging during subsequent part assembly, the burrs scratch the surface of a raw material of the related part, and even damage the surface layer of the raw material of the related part. Although the burr of the raw material of the burring part can be removed by a secondary processing method, the labor, equipment, time and cost are increased.
Therefore, in order to further meet the industrial production requirements, a stamping die which can perform a chamfering process on the end part of the raw material of the part after the hole flanging process and cannot influence the original hole flanging size in the chamfering process needs to be developed.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides one kind can carry out the hole flanging chamfer to the spare part tip after the punching press hole flanging, and hole flanging chamfer process can not influence the stamping die of original hole flanging size.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the stamping die comprises an upper die and a lower die, wherein the upper die is arranged at the upper part of the stamping device body, the lower die is arranged at the lower part of the stamping device body, the upper die moves up and down relative to the lower die, the upper die and the lower die realize punching of raw materials through up-down pressing, and the upper die comprises an upper die base, an upper die base plate punch fixing plate, a stripping back plate and a stripping plate which are mutually abutted and fixed from outside to inside; the lower die comprises a lower die base, a lower die base plate and a lower die plate which are mutually abutted and fixed from outside to inside; and a punching punch, a hole flanging punch, a chamfering punch and a hole flanging reshaping punch are sequentially arranged between the upper die and the lower die according to the process transmission direction.
In a preferred embodiment of the utility model, the upper die is provided with a punching punch, a chamfering punch, a first hole flanging size limiting block, a second hole flanging size limiting block and a hole flanging shaping limiting block; and a hole flanging punch and a hole flanging and shaping punch are arranged in the lower die.
In a preferred embodiment of the present invention, the lower die is provided with through holes corresponding to the punching punches vertically, and the first hole flanging size limiting block corresponds to the hole flanging punches vertically; the second hole flanging size limiting block corresponds to the chamfering punch up and down; the hole flanging and shaping limiting block corresponds to the hole flanging and shaping punch up and down.
In a preferred embodiment of the utility model, the inner side of the upper die base is abutted against one end of the punching punch and the chamfering punch, and the other end of the punching punch and the chamfering punch sequentially penetrates through the upper die base plate, the punch fixing plate, the stripping back plate and the stripping plate; the inner side of the stripping back plate is abutted against the first hole flanging size limiting block and the hole flanging shaping limiting block, and the stripping plate is respectively penetrated and arranged at the other ends of the first hole flanging size limiting block and the hole flanging shaping limiting block.
The utility model discloses a preferred embodiment, the lower mould backing plate is inboard to lean on with hole flanging drift and hole flanging plastic drift one end, the lower bolster is worn out to produce by the other end of hole flanging drift and hole flanging plastic drift.
In a preferred embodiment of the present invention, the through hole penetrates through the lower die base, the lower die pad, and the lower die plate, and the upper portion of the through hole can accommodate the end portion of the punching head.
The utility model discloses a preferred embodiment, stamping die's punching press production technology: the upper die and the lower die are pressed up and down to realize a first process of raw materials, and a bottom hole is pre-punched; a second procedure, hole flanging; a third step of hole flanging and chamfering; or the upper die and the lower die realize a first process of raw materials through up-down pressing, and a bottom hole is pre-punched; a second procedure, hole flanging; a third step of hole flanging and chamfering; and fourthly, hole flanging and shaping.
The specific stamping production process of the stamping die comprises the following steps:
a first step of pre-punching a bottom hole; and (4) blanking the raw material by using a punching punch to finish the bottom hole for hole flanging.
A second procedure, hole flanging; when the hole flanging punch is used for flanging the raw material after the bottom hole for flanging is cut, the size of the flanging hole is limited by the first flanging hole size limiting block, and the raw material reaches the size and tolerance required by design after being stamped.
A third step of hole flanging and chamfering; when the chamfering punch head conducts hole flanging and chamfering on the raw materials after hole flanging is completed, the second hole flanging size limiting block is used for limiting the size of hole flanging, when the hole flanging chamfering is achieved, the size of hole flanging cannot be changed, and the chamfered hole flanging is guaranteed to keep the size and tolerance generated in the second process.
Further, a fourth step of hole flanging and shaping; after the hole flanging and chamfering of the raw material are finished, the size of the hole flanging is deformed, the fourth process is carried out, the hole flanging is shaped by the hole flanging shaping punch, and the hole flanging shaping limiting block ensures that the raw material reaches the size and tolerance required by design after being stamped; or after the hole flanging and chamfering in the third procedure are finished, if the hole flanging size is not deformed, hole flanging and shaping are not carried out.
The utility model provides a defect that exists among the background art, the beneficial effect of the utility model:
the utility model discloses only increase one to two steps of processes on traditional mould basis, guarantee the production yield, improve production efficiency, single die, modulus of continuity etc. can all use, can popularize and apply on a large scale. The utility model discloses a stamping die and stamping process have solved when carrying out the chamfer punching press or after the chamfer punching press to the hole flanging, can not make the size of hole flanging take place to warp and change. The utility model discloses a stamping die and stamping process can decide and carry out the deburring to the hole flanging part.
Furthermore, the utility model discloses a stamping die and stamping production technology thereof can be regarded as independent stamping device alone, also can incorporate automatic production system as the pressure and join in marriage the work station, suit and popularize and apply in stamping die assembly industry.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the explosion structure of the present invention;
FIG. 4 is a first process diagram of the stamping process performed on the raw material according to the present invention;
FIG. 5 is a second process diagram for stamping raw materials according to the present invention;
FIG. 6 is a third process diagram for stamping raw materials according to the present invention;
the punching and shaping device comprises an upper die base-1, an upper die base plate-2, a punch fixing plate-3, a stripping back plate-4, a stripping plate-5, a punching punch-6, a chamfering punch-7, a first hole flanging size limiting block-8, a second hole flanging size limiting block-9 and a hole flanging shaping limiting block-10; the production process comprises the following steps of (1) lower template-11, lower die backing plate-12, lower die base-13, hole flanging punch-14, hole flanging and shaping punch-15, raw material-16, first procedure-S1, second procedure-S1, third procedure-S3 and fourth procedure-S4.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1 to 6, a stamping die comprises an upper die arranged at the upper part of a stamping device body and a lower die arranged at the lower part of the stamping device body, wherein the upper die moves up and down relative to the lower die, and the upper die and the lower die realize the first step S1 pre-punching bottom hole, the second step S2 punching hole flanging and the third step S3 hole flanging chamfering of a raw material 16 through up-down pressing; the upper die comprises an upper die base 1, an upper die base plate 2, a punch fixing plate 3, a stripping back plate 4 and a stripping plate 5 which are matched and abutted against and fixed from outside to inside in shape, and a punching punch 6, a chamfering punch 7, a first hole flanging size limiting block 8, a second hole flanging size limiting block 9 and a hole flanging shaping limiting block 10 which are arranged in the upper die; the lower die comprises a lower die base 13, a lower die backing plate 12 and a lower die plate 11 which are matched with each other from outside to inside in shape and are abutted and fixed, and a hole flanging punch head 14 and a hole flanging shaping punch head 15 which are arranged in the lower die; the punching punch 6, the flanging punch 14, the chamfering punch 7 and the flanging shaping punch 15 are sequentially arranged between the upper die and the lower die according to the process transmission direction.
Example (b):
as shown in fig. 1 to 3, a punching punch 6, a chamfering punch 7, a first hole flanging size limiting block 8, a second hole flanging size limiting block 9 and a hole flanging shaping limiting block 10 are arranged in the upper die. The inner side of the upper die holder 1 is abutted against one end of a punching punch 6 and one end of a chamfering punch 7, and the other end of the punching punch 6 and the other end of the chamfering punch 7 sequentially penetrates through an upper die base plate 2, a punch fixing plate 3, a stripping back plate 4 and a stripping plate 5; the inner side of the stripping back plate 4 is abutted against the first hole flanging size limiting block 8 and the hole flanging shaping limiting block 10, and the stripping plate 5 is penetrated through by the other ends of the first hole flanging size limiting block 8 and the hole flanging shaping limiting block 10.
As shown in fig. 2, the lower die is provided with a burring punch 14 and a burring punch 15. The inner side of the lower die cushion plate 12 is abutted against one end of the hole flanging punch 14 and one end of the hole flanging shaping punch 15, and the other end of the hole flanging punch 14 and the other end of the hole flanging shaping punch 15 penetrate through the lower die plate 11. Further, as shown in fig. 2 and 3, the first hole flanging size limiting block 8 corresponds to the hole flanging punch 14 up and down; the second hole flanging size limiting block 9 corresponds to the chamfering punch 7 up and down; the hole flanging and shaping limiting block 10 corresponds to the hole flanging and shaping punch 15 up and down.
Specifically, as shown in fig. 1 to 3, when the upper die and the lower die are pressed up and down, the punching punch 6 is embedded into the lower die, a through hole for accommodating the punching punch 6 is formed in the lower die, and the through hole penetrates through the lower die base 13, the lower die base plate 12 and the lower die plate 11; a frustum is arranged at the top end of the cylindrical hole flanging punch 14, the top end of the hole flanging punch 14 is embedded with the blind hole at the top of the first hole flanging size limiting block 8, and a hole flanging gap is reserved between the hole flanging punch 14 and the first hole flanging size limiting block 8; the cylindrical second hole flanging size limiting block 9 is embedded with the chamfering punch 7, a punched hole embedded with the second hole flanging size limiting block 9 is arranged in the chamfering punch 7, a boss is arranged at the top end, close to the inner side of the lower template 11, of the chamfering punch 7, a chamfering gap is reserved between the boss and the second hole flanging size limiting block 9, and the end part of the chamfering punch 7 abuts against the inner side of the lower template 11; the hole flanging reshaping limiting block 10 is embedded with the hole flanging reshaping punch 15, a blind hole embedded with the end part of the hole flanging reshaping punch 15 is formed in the end part of the hole flanging reshaping limiting block 10, and a hole flanging reshaping clearance is formed between the hole flanging reshaping limiting block 10 and the hole flanging reshaping punch 15.
More specifically, as shown in fig. 3, the ends of the burring punch 14 and the burring punch 15 are T-shaped tips defined between the upper die backing plate 2 and the punch retainer plate 3; the punch 6 and the chamfer punch 7 end in a T-shaped end which is defined between the lower die pad 12 and the lower die plate 11.
In a preferred embodiment of the present invention, as shown in fig. 4 to 6, the stamping process of the stamping die comprises: the first step S1 of pressing the upper and lower dies together to form the raw material 16 is to pre-punch a bottom hole; a second step S2 of hole flanging; a third step S3 of chamfering the hole; or, the first step S1 of pressing the upper and lower dies together to form the raw material 16 is to pre-punch a bottom hole; a second step S2 of hole flanging; a third step S3 of chamfering and a fourth step S4 of hole-flanging and shaping.
A first step S1 of pre-punching a bottom hole; the blank 16 is punched by the pierce punch 6 to form a bottom hole for piercing.
A second step S2 of hole flanging; the hole flanging punch 14 is used for flanging the raw material 16 after punching the bottom hole for flanging, and the first hole flanging size limiting block 8 is used for limiting the size of the flanging hole, so that the raw material 16 can reach the size and tolerance required by design after punching.
A third step S3 of chamfering the hole; when the chamfering punch 7 performs hole flanging and chamfering on the raw material 16 after hole flanging is completed, the second hole flanging size limiting block 9 is used for limiting the size of hole flanging, the hole flanging and chamfering can be achieved, the size of hole flanging cannot be changed, and the chamfered hole flanging is guaranteed to keep the size and tolerance generated in the second process S2.
A fourth step S4 of hole flanging and shaping; after the hole flanging and chamfering of the raw material 16 are finished, the size of the hole flanging is deformed, the fourth process S4 is carried out, the hole flanging is shaped by the hole flanging shaping punch 15, and the hole flanging shaping limiting block 10 ensures that the raw material 16 reaches the size and tolerance required by design after punching; or after the chamfering of the hole flanging in the third step S3 is completed, if the hole flanging size is not deformed, the hole flanging and shaping are not performed.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. Stamping die, including setting up the last mould on stamping equipment body upper portion to and set up the lower mould in stamping equipment body lower part, go up the mould for the lower mould carries out activity from top to bottom, go up the mould with the lower mould realizes punching a hole of raw and other materials (16) through pressfitting from top to bottom, its characterized in that: the upper die comprises an upper die base (1), an upper die base plate (2), a punch fixing plate (3), a stripping back plate (4) and a stripping plate (5), which are mutually abutted and fixed from outside to inside; the lower die comprises a lower die base (13), a lower die base plate (12) and a lower die plate (11), which are mutually abutted and fixed from outside to inside; and a punching punch head (6), a hole flanging punch head (14), a chamfering punch head (7) and a hole flanging shaping punch head (15) are sequentially arranged between the upper die and the lower die according to the process transmission direction.
2. The stamping die of claim 1, wherein: a punching punch (6), a chamfering punch (7), a first hole flanging size limiting block (8), a second hole flanging size limiting block (9) and a hole flanging shaping limiting block (10) are arranged in the upper die; and a hole flanging punch head (14) and a hole flanging and shaping punch head (15) are arranged in the lower die.
3. The stamping die of claim 2, wherein: the lower die is provided with through holes which vertically correspond to the punching punch (6), and the first hole flanging size limiting block (8) vertically corresponds to the hole flanging punch (14); the second hole flanging size limiting block (9) corresponds to the chamfering punch (7) up and down; the hole flanging and shaping limiting block (10) corresponds to the hole flanging and shaping punch head (15) up and down.
4. The stamping die of claim 2, wherein: the inner side of the upper die base (1) is abutted against one end of a punching punch (6) and one end of a chamfering punch (7), and the other end of the punching punch (6) and the other end of the chamfering punch (7) penetrate through an upper die base plate (2), a punch fixing plate (3), a stripping back plate (4) and a stripping plate (5) in sequence; the inner side of the stripping back plate (4) is abutted against a first hole flanging size limiting block (8) and a hole flanging shaping limiting block (10), and the stripping plate (5) is respectively penetrated through by the other ends of the first hole flanging size limiting block (8) and the hole flanging shaping limiting block (10).
5. The stamping die of claim 1, wherein: the inner side of the lower die base plate (12) is abutted against one end of the hole flanging punch head (14) and one end of the hole flanging shaping punch head (15), and the other end of the hole flanging punch head (14) and the other end of the hole flanging shaping punch head (15) penetrate through the lower die plate (11).
6. The stamping die of claim 3, wherein: the through hole penetrates through the lower die base (13), the lower die backing plate (12) and the lower die plate (11), and the upper portion of the through hole can accommodate the end portion of the punching punch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467493.8U CN210098702U (en) | 2019-04-09 | 2019-04-09 | Stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467493.8U CN210098702U (en) | 2019-04-09 | 2019-04-09 | Stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210098702U true CN210098702U (en) | 2020-02-21 |
Family
ID=69536263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920467493.8U Expired - Fee Related CN210098702U (en) | 2019-04-09 | 2019-04-09 | Stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210098702U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052533A (en) * | 2019-04-09 | 2019-07-26 | 苏州华旃航天电器有限公司 | Stamping die |
| CN111468598A (en) * | 2020-04-03 | 2020-07-31 | 法兰克斯管道紧固件(常熟)有限公司 | Counter bore stamping chamfering process for porous sheet product |
| CN113714381A (en) * | 2021-07-27 | 2021-11-30 | 上海赛科利汽车模具技术应用有限公司 | Punching method for deburring steel shell |
-
2019
- 2019-04-09 CN CN201920467493.8U patent/CN210098702U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052533A (en) * | 2019-04-09 | 2019-07-26 | 苏州华旃航天电器有限公司 | Stamping die |
| CN111468598A (en) * | 2020-04-03 | 2020-07-31 | 法兰克斯管道紧固件(常熟)有限公司 | Counter bore stamping chamfering process for porous sheet product |
| CN113714381A (en) * | 2021-07-27 | 2021-11-30 | 上海赛科利汽车模具技术应用有限公司 | Punching method for deburring steel shell |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |