CN110605333A - Stamping die that roughness is high - Google Patents
Stamping die that roughness is high Download PDFInfo
- Publication number
- CN110605333A CN110605333A CN201911012230.9A CN201911012230A CN110605333A CN 110605333 A CN110605333 A CN 110605333A CN 201911012230 A CN201911012230 A CN 201911012230A CN 110605333 A CN110605333 A CN 110605333A
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- Prior art keywords
- die
- base
- backup pad
- female die
- hole
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a stamping die with high flatness, which comprises a male die and a female die which are matched with each other, wherein a through hole with the same shape as a product is formed in the female die, a supporting plate is connected in the through hole in a sliding manner, the upper surface of the supporting plate is horizontally arranged, a base is arranged below the female die, a plurality of supporting columns are arranged between the base and the female die, a connecting shaft is vertically arranged on one side, close to the base, of the supporting plate, the connecting shaft is connected in the base in a sliding manner, the length of each supporting column is greater than the thickness of the supporting plate, and a convex block matched with the through. The invention has the effect of improving the verticality of the side surface at the edge of the product.
Description
Technical Field
The invention relates to the field of stamping dies, in particular to a stamping die with high flatness.
Background
The stamping die is mainly applied to a stamping machine to stamp a plate, and mainly produces required complicated hardware and metal plates in electronic products. The stamping die is practical in a set and comprises a male die and a female die which are matched with each other, a plate is placed between the male die and the female die, and when the male die and the female die are closed, a product with a specific shape is cut on the plate by utilizing shearing force.
As shown in fig. 7, the stamping die comprises a male die 1 and a female die 2 which are arranged up and down, wherein a convex block 3 with the same shape as a product is arranged on the lower surface of the male die 1, and a through hole 21 with the same shape as the product is arranged on the female die 2. The sheet material is placed between the punch 1 and the die 2 and when the dies are closed, the projections 3 and the side walls of the through holes 21 shear the sheet material and thereby cut the desired product shape into the strip 7. However, for the steel strip 7, there is a certain variation range of the shear resistance of each point of the steel strip 7, which causes that the contour line of the product on the steel strip 7 is not simultaneously sheared when the steel strip 7 is punched, and there is a slight time difference, which causes that the side surface of the product is not a vertical surface but an inclined surface, so that the precision of the punched product is generally smaller than that of the chip processing, which makes the punching process faster but loses the precision. Therefore, it is necessary to design a press die capable of improving the processing accuracy.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the stamping die with high flatness, and the stamping die has the advantage of improving the verticality of the side surface at the edge of a product.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a stamping die that roughness is high, includes terrace die and the die of mutually supporting, set up the through-hole the same with the product shape on the die, it is connected with the backup pad to slide in the through-hole, the upper surface level of backup pad sets up, the below of die is equipped with the base, be equipped with a plurality of support columns between base and the die, the backup pad is close to the vertical connecting axle that is equipped with in one side of base, the connecting axle slides and connects in the base, the length of support column is greater than the thickness of support plate, the lower surface of terrace die be equipped with through-hole complex.
Through the technical scheme, when the steel plate falls between the female die and the male die, the male die moves downwards, and the side walls of the convex block and the through hole form shearing force on the steel plate, so that the steel plate is stamped into the shape same as that of the convex block. The supporting plate is positioned in the through hole, the upper surface of the supporting plate is flatly attached to the upper surface of the female die before the male die and the female die are assembled, and when the convex block abuts against the upper surface of the steel plate, the convex block and the supporting plate clamp the steel plate; the backup pad and the lug move down simultaneously this moment for the steel sheet can be horizontally sheared at the in-process of shearing like this, and the side that improves the product edge can be vertically sheared, improves the straightness that hangs down of the vertical side of product, further improves the precision of product.
The invention is further configured to: the upper surface level smooth migration of base is equipped with the push pedal that is used for promoting the product, the upper surface of base is equipped with the constant head tank that the degree of depth is the same with the thickness of supporting plate.
Through above-mentioned technical scheme, the product falls on the backup pad, and push pedal horizontal migration pushes away the work piece in the backup pad and receives on the magazine, and the push pedal return, the backup pad continues to shift up, carries out the next and connects the material. Thus, the product can be separated from the supporting plate, and the supporting plate is convenient to be matched with the lug again.
The invention is further configured to: and guide plates are arranged on the upper surface of the female die and positioned on two sides of the push plate.
Through above-mentioned technical scheme, the deflector plays the effect of direction to the push pedal to play the effect of direction to the push pedal, ensure that the push pedal can not the off normal at the in-process that removes.
The invention is further configured to: the die is characterized in that a plurality of proportionally-scaled bushings are inserted into the through holes, limiting plates which are inconsistent with the bushings are horizontally arranged on the lower surface of the female die, a plurality of threaded holes are formed in the lower surface of the female die, and the limiting plates are fixed on the female die through bolts.
Through above-mentioned technical scheme, there is different sizes in same kind of part, cup joints between the different bush, when making the same kind of part of not equidimension of needs punching press like this, carry out the dismouting to the bush can, avoid the different die of enterprise's production, reduce the cost of enterprise's production mould. The die is installed on the punching machine, compares from this kind of mode of change die on the punching machine, and the size of direct dismouting bush regulation through-hole, this kind of mode is simpler.
The invention is further configured to: a plurality of proportional ring sleeves are sleeved outside the convex block, the ring sleeves correspond to the bushings one by one, and locking nails are connected between the adjacent ring sleeves along the horizontal direction through threads.
Through the technical scheme, the same part has different sizes, and the ring sleeve can be detached, so that the ring sleeve can correspond to products with different sizes. When products with different sizes need to be processed, the ring sleeves are detached or added, and therefore the products with different sizes are punched. Set up like this, compare and directly change the terrace die, the mode of this scheme is more convenient.
The invention is further configured to: the support plate is sleeved with connecting rings which correspond to the bushings one to one and are connected with each other in an inserting mode, and the adjacent connecting rings are fixedly connected through bolts.
Through above-mentioned technical scheme, when lug and through-hole are changing, the backup pad needs to keep synchronous change with through-hole and lug. The go-between cup joints in the backup pad, through bolted connection, through the dismouting go-between like this for backup pad and through-hole synchronous variation cooperation.
The invention is further configured to: the upper surface of the female die is vertically provided with a plurality of guide posts, and the male die is provided with a guide sleeve matched in the guide posts.
Through above-mentioned technical scheme, the guide post plays the effect of direction to sliding of terrace die for the terrace die is vertical to be slided, and the cooperation length of terrace die and guide post is increased in the setting of uide bushing, further ensures that the terrace die slides along vertical direction.
The invention is further configured to: the lower surface of terrace die is located the outside level of lug and is equipped with the clamping ring, the upper surface of clamping ring is vertical to be equipped with the traveller of connection on the terrace die that slides, the traveller passes the terrace die and is equipped with the stopper, be equipped with the pressure spring that the cover was established on the traveller between terrace die and the clamping ring.
Through above-mentioned technical scheme, the clamping ring is located the outside of lug for when the terrace die downstream, make the clamping ring connect earlier and contradict on the steel sheet, the terrace die continues downstream after that, and the clamping ring compresses tightly the steel sheet, prevents that the lug from when the punching press steel sheet, and the position of steel sheet changes.
The invention is further configured to: the connecting axle is including sliding square column, the regulation pole of threaded connection on the square column on connecting the base, adjust the pole along the length direction threaded connection of square column on the square column.
Through above-mentioned technical scheme, because the pneumatic cylinder needs to be connected to the one end of connecting axle, the pneumatic cylinder is installed on the punching machine. However, when the supporting plate is driven to move by the hydraulic cylinder, the moving range of the supporting plate is from the upper surface of the male die to the upper surface of the base, the moving range is controlled by the expansion amount of the piston rod of the hydraulic cylinder, but the upper surface of the supporting plate is flush with the upper surface of the male die, and the adjustment by the hydraulic cylinder is difficult. At the moment, the adjusting rod is rotated to slide on the square column, so that the length of the connecting shaft is adjusted, and the upper surface of the supporting plate is flush with the upper surface of the female die after the supporting plate is adjusted to rise to the maximum height more easily through a mechanical structure.
In conclusion, the invention has the following beneficial effects:
1. due to the arrangement of the supporting plate, the vertical side surface of the product is smoother in the stamping process;
2. the arrangement of the bush, the connecting ring and the ring sleeve can produce similar products with different sizes under the condition of not replacing the female die and the male die;
3. the length of the connecting shaft is adjustable, so that the supporting plate can be conveniently debugged, and after the supporting plate rises to the maximum height, the upper surface of the supporting plate is flush with the upper surface of the female die.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment.
Fig. 2 is a schematic view of the structure of the explosion of the present embodiment.
Fig. 3 is a schematic structural view of the internal section of the present embodiment.
Fig. 4 is a schematic structural view of the male mold and the bump of the present embodiment.
Fig. 5 is a schematic structural view of the female die and the bush of the present embodiment.
Fig. 6 is a schematic structural view of the support plate and the connecting shaft of the present embodiment.
Fig. 7 is a schematic structural view of a conventional press die.
Reference numerals: 1. a male die; 11. a guide sleeve; 12. pressing a ring; 13. a traveler; 14. a pressure spring; 15. a limiting block; 2. a female die; 21. a through hole; 22. a bushing; 23. a guide post; 24. a limiting plate; 3. a bump; 31. sleeving a ring; 4. a support plate; 41. a connecting shaft; 411. a square column; 412. adjusting a rod; 42. a connecting ring; 5. a base; 51. a support pillar; 52. positioning a groove; 6. pushing the plate; 61. a guide plate; 7. a steel strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): referring to fig. 1, a stamping die with high flatness comprises a male die 1 and a female die 2 which are arranged up and down, wherein a convex block 3 is arranged on the lower surface of the male die 1, a through hole 21 is vertically formed in the female die 2, the convex block 3 and the through hole 21 are identical in shape and size, and the convex block 3 is connected in the through hole 21 in a sliding manner. A hydraulic cylinder is vertically arranged on the upper surface of the male die 1 and fixed on a punching machine body (not shown in the figure). When the steel strip 7 passes through the space between the male die 1 and the female die 2, the hydraulic cylinder drives the male die 1 to move downwards, so that the lug 3 is inserted in the through hole 21, and the edge of the lug 3 and the edge of the through hole 21 form shearing force on the steel strip 7, so that a part with the same shape as the lug 3 is punched from the steel strip 7.
Referring to fig. 1 and 2, a base 5 is horizontally arranged below the female die 2, four support columns 51 are arranged between the base 5 and the female die 2, the support columns 51 are distributed at four corners of the base 5, and two ends of each support column 51 are respectively fixed on the base 5 and the female die 2. The support plate 4 is arranged in the through hole 21 in a sliding mode, the support plate 4 is horizontally arranged, a connecting shaft 41 is vertically fixed to one end, far away from the male die 1, of the support plate 4, the connecting shaft 41 penetrates through the base 5 and is connected with a hydraulic cylinder, and the hydraulic cylinder is used for driving the support plate 4 to move up and down. Initially, the upper surface of backup pad 4 flushes with the upper surface of die 2, and when terrace die 1 moves down, backup pad 4 and lug 3 are with steel band 7 centre gripping, and lug 3 and backup pad 4 move down in step this moment for the vertical edge face of product is simultaneously moved down, ensures the vertical side of product and levels like this.
Referring to fig. 2 and 3, a positioning groove 52 is formed in the base 5 to be engaged with the support plate 4, and the depth of the positioning groove 52 is the same as the thickness of the support plate 4. There is push pedal 6 horizontal slip on base 5, and the both sides that lie in push pedal 6 on base 5 set up deflector 61, and deflector 61 prevents that push pedal 6 from breaking away from base 5 in-process that slides. One side of the push plate 6 far away from the base 5 is horizontally provided with an air cylinder, and the automatic reciprocating movement of the push plate 6 is realized through the air cylinder. At first the product falls on backup pad 4, along with the decline of backup pad 4, the product falls on the upper surface of base 5, push pedal 6 horizontal migration this moment, and the propelling movement product makes the product break away from backup pad 4, can set up in one side of base 5 and receive the workbin (not shown in the figure), collects the product. After the push plate 6 pushes the workpiece, the workpiece returns to the initial position, the support plate 4 moves to a position flush with the upper surface of the female die 2, and the punching process is repeated.
Referring to fig. 1, four guide posts 23 are vertically arranged on the upper surface of the female die 2, the four guide posts 23 are distributed at four corners of the female die 2, a guide sleeve 11 is fixedly arranged on the male die 1, and the guide posts 23 penetrate through the male die 1 and the guide sleeve 11, so that the male die 1 is connected to the guide posts 23 in a sliding manner, the male die 1 always moves along the axial direction of the guide posts 23, and the male die 1 and the female die 2 are prevented from being dislocated.
Referring to fig. 3 and 4, an annular pressing ring 12 is arranged below the male die 1 and outside the convex block 3, four sliding columns 13 are vertically arranged on the pressing ring 12, and the sliding columns 13 penetrate through the male die 1 and are provided with limiting blocks 15 with diameters larger than that of the sliding columns 13; a compression spring 14 is sleeved on the sliding column 13, and two ends of the compression spring 14 respectively abut against the compression ring 12 and the male die 1. The original length of the compression spring 14 is longer than the thickness of the projection 3. When the compression ring 12 is separated from the steel belt 7, the compression spring 14 is in an original length state. In the stamping process, the male die 1 moves downwards, the pressing ring 12 firstly contacts the steel strip 7 and continues to move along with the male die 1, the sliding column 13 slides upwards, and the pressure spring 14 is compressed, so that the pressing ring 12 enables the steel strip 7 to be tightly abutted to the female die 2, the steel strip 7 is prevented from being shifted in position in the stamping process, and the stamping stability is improved.
Referring to fig. 3, the connecting shaft 41 includes a vertically arranged square column 411 and an adjusting rod 412, a threaded hole is vertically formed in the square column 411, the adjusting rod 412 is screwed in the threaded hole, and the square column 411 is connected to the base 5 in a sliding manner. Because one end of the connecting shaft 41 needs to be connected with a hydraulic cylinder, the adjusting rod is rotatably connected to a piston rod of the hydraulic cylinder. When the hydraulic cylinder drives the supporting plate 4 to move, the moving range of the supporting plate 4 is from the upper surface of the male die 1 to the upper surface of the base 5, the moving range is controlled by the telescopic amount of the piston rod of the hydraulic cylinder, but the upper surface of the supporting plate 4 is flush with the upper surface of the male die 1, and the adjustment through the hydraulic cylinder is difficult. At this time, the adjusting rod 412 slides on the square column 411 by rotating the adjusting rod 412, so as to adjust the length of the connecting shaft 41, and thus, after the supporting plate 4 is adjusted to rise to the maximum height more easily by a mechanical structure, the upper surface of the supporting plate 4 is flush with the upper surface of the female die 2
Referring to fig. 4, two ring sleeves 31 are sleeved outside the protrusion 3 in proportion, the outer contour shape of each ring sleeve 31 is the same as that of the protrusion 3, a locking nail is horizontally arranged between the adjacent ring sleeves 31 and fixedly connects the adjacent ring sleeves 31, the ring sleeve 31 on the inner side is fixed on the protrusion 3 through the locking nail, the locking nail is a hexagon socket head cap screw, a counter bore is formed in each ring sleeve 31, and the hexagon socket head cap screw is located in the counter bore.
Referring to fig. 3 and 5, two bushings 22 are arranged in the through hole 21, the shape of the inner hole of each bushing 22 is the same as that of the through hole 21, and the size of each bushing 22 corresponds to that of each ring sleeve 31 one by one; set up limiting plate 24 at the lower surface of die 2, limiting plate 24 is total two, the lower surface of die 2 sets up a plurality of screw holes, set up a plurality of round holes that correspond with the screw hole on the limiting plate 24, limiting plate 24 passes through the bolt fastening on die 2, limiting plate 24 is used for conflicting bush 22's lower surface, prevent that bush 22 from dropping from through-hole 21, when increase or reduce bush 22, dismantle limiting plate 24 from die 2, the position of adjusting limiting plate 24 is again through the bolt fastening on die 2. Meanwhile, a plug pin is horizontally inserted into the side wall of the female die 2 and is simultaneously inserted into the bush 22 and the female die 2. The latch prevents the bush 22 from being lifted off the female die 2.
Referring to fig. 4 and 5, there are different sized specification models for the same part. The sizes of the bumps 3 and the through holes 21 need to be changed when products of different sizes need to be produced. When the ring sleeve 31 is sleeved on the bump 3, the punched product becomes larger, and correspondingly, the bush 22 in the through hole 21 needs to be taken out, so that the through hole 21 also becomes larger; when the ring sleeve 31 on the convex block 3 is reduced, the punched product is reduced, the number of the bushings 22 in the corresponding through holes 21 is increased, so that the through holes 21 are reduced, the function of adjusting the sizes of the convex block 3 and the through holes 21 is completed, and one set of die can produce the same product with different sizes.
Referring to fig. 4 and 6, the support plate 4 is externally sleeved with the connection rings 42, the connection rings 42 correspond to the bushings 22 and the ring sleeves 31 one by one, and the connection structure of the support plate 4 and the connection rings 42 is the same as the connection structure of the protrusions 3 and the ring sleeves 31.
The action process is as follows: the steel band 7 firstly passes through between the female die 2 and the male die 1, then moves downwards from the male die 1 and enables the lug 3 to abut against the surface of the steel band 7, the support plate 4 is positioned on the lower surface of the steel band 7, and the lug 3 and the support plate 4 simultaneously move downwards synchronously. Then the lug 3 pushes the product out of the through hole 21 and moves upwards, the push plate 6 horizontally pushes the product to separate the product from the support plate 4, and finally the support plate 4 moves upwards. The steel strip 7 moves to the next position, and the above process is repeated, so that continuous production can be realized.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a stamping die that roughness is high, includes terrace die (1) and die (2) of mutually supporting, its characterized in that: offer through-hole (21) the same with the product shape on die (2), it is connected with backup pad (4) to slide in through-hole (21), the upper surface level of backup pad (4) sets up, the below of die (2) is equipped with base (5), be equipped with a plurality of support columns (51) between base (5) and die (2), backup pad (4) are close to one side vertical connecting axle (41) that is equipped with of base (5), connecting axle (41) slide and connect in base (5), the length of support column (51) is greater than the thickness of backup pad (4), the lower surface of terrace die (1) be equipped with through-hole (21) complex lug (3).
2. The stamping die with high flatness as claimed in claim 1, wherein: the upper surface level smooth migration of base (5) is equipped with push pedal (6) that are used for promoting the product, the upper surface of base (5) is equipped with constant head tank (52) that the degree of depth is the same with the thickness of backup pad (4).
3. The high-flatness punching die according to claim 2, wherein: and guide plates (61) are arranged on two sides of the upper surface of the female die (2) which are positioned at the positioning groove (52).
4. The stamping die with high flatness as claimed in claim 1, wherein: the die is characterized in that a plurality of proportionally-scaled bushings (22) are inserted into the through holes (21), limiting plates (24) which are inconsistent with the bushings (22) are horizontally arranged on the lower surface of the female die (2), a plurality of threaded holes are formed in the lower surface of the female die (2), and the limiting plates (24) are fixed on the female die (2) through bolts.
5. The stamping die with high flatness as claimed in claim 4, wherein: a plurality of proportional ring sleeves (31) are sleeved outside the convex block (3), the ring sleeves (31) correspond to the bushes (22) one by one, and locking nails are connected between the adjacent ring sleeves (31) along the horizontal direction through threads.
6. The stamping die with high flatness as claimed in claim 5, wherein: the supporting plate (4) is sleeved with connecting rings (42) which correspond to the bushings (22) one to one and are inserted into each other, and the adjacent connecting rings (42) are fixedly connected through bolts.
7. A high-flatness punching die according to claim 1 or 6, characterized in that: the upper surface of the female die (2) is vertically provided with a plurality of guide columns (23), and the male die (1) is provided with a guide sleeve (11) matched with the guide columns (23).
8. The high-flatness punching die according to claim 7, wherein: the lower surface of terrace die (1) is located the outside level of lug (3) and is equipped with clamping ring (12), the upper surface of clamping ring (12) is vertical to be equipped with and slides traveller (13) of connection on terrace die (1), traveller (13) pass terrace die (1) and are equipped with stopper (15), be equipped with between terrace die (1) and clamping ring (12) and establish pressure spring (14) on traveller (13), the original length of pressure spring (14) is greater than the thickness of lug (3).
9. The stamping die with high flatness as claimed in claim 1, wherein: connecting axle (41) including sliding square column (411) on connecting base (5), threaded connection adjust pole (412) on square column (411), adjust pole (412) along the length direction threaded connection of square column (411) on square column (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012230.9A CN110605333A (en) | 2019-10-23 | 2019-10-23 | Stamping die that roughness is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012230.9A CN110605333A (en) | 2019-10-23 | 2019-10-23 | Stamping die that roughness is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110605333A true CN110605333A (en) | 2019-12-24 |
Family
ID=68895117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911012230.9A Pending CN110605333A (en) | 2019-10-23 | 2019-10-23 | Stamping die that roughness is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110605333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756466A (en) * | 2021-02-01 | 2021-05-07 | 丁绍江 | Stamping and cutting integrated hydraulic equipment for bearing processing |
| CN116099927A (en) * | 2023-04-07 | 2023-05-12 | 常州杨木机械有限公司 | Stamping device is used in processing of pneumatic cylinder head with automatic discharge function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756466A (en) * | 2021-02-01 | 2021-05-07 | 丁绍江 | Stamping and cutting integrated hydraulic equipment for bearing processing |
| CN112756466B (en) * | 2021-02-01 | 2022-06-28 | 大连海泰轴承制造有限公司 | Stamping and cutting integrated hydraulic equipment for bearing processing |
| CN116099927A (en) * | 2023-04-07 | 2023-05-12 | 常州杨木机械有限公司 | Stamping device is used in processing of pneumatic cylinder head with automatic discharge function |
| CN116099927B (en) * | 2023-04-07 | 2023-09-29 | 深圳市泰瑞琦五金电子有限公司 | Stamping device is used in processing of pneumatic cylinder head with automatic discharge function |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
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| RJ01 | Rejection of invention patent application after publication |