CN220574507U - Secondary cutting structure suitable for trimming die and trimming die - Google Patents
Secondary cutting structure suitable for trimming die and trimming die Download PDFInfo
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- CN220574507U CN220574507U CN202321892029.6U CN202321892029U CN220574507U CN 220574507 U CN220574507 U CN 220574507U CN 202321892029 U CN202321892029 U CN 202321892029U CN 220574507 U CN220574507 U CN 220574507U
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- cutter
- blocking frame
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- 238000009966 trimming Methods 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 title claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 126
- 239000000463 material Substances 0.000 claims abstract description 86
- 230000000903 blocking effect Effects 0.000 claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 238000010008 shearing Methods 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a secondary cutting structure suitable for a trimming die and the trimming die, which comprises a waste support, an upper material blocking frame, an upper cutter, a lower material blocking frame and a material pressing block, wherein the upper cutter is arranged on the waste support; the upper material blocking frame is arranged on the upper die, the lower material blocking frame is arranged on the lower die, the waste material bracket is fixed at the top of the lower die, and the waste material bracket and the upper material blocking frame are oppositely arranged to form a first waste material position; the pressing block is fixed at the bottom of the upper die, the upper cutter and the lower cutter are respectively and oppositely arranged between the upper cutter and the lower cutter of the upper die and the lower die to form a second waste position, and the second waste position is positioned below the first waste position; the waste firstly falls into the first waste position and slides into the second waste position under the action of gravity, and is limited by the lower material blocking frame, and cut-off is realized after the material is pressed by the material pressing block. The utility model has no bypass during secondary cutting, the waste is only purely sheared, the scraps are reduced, and simultaneously, the scrap is pressed before cutting, thereby avoiding the problem of scraps generated by vibration of the waste.
Description
Technical Field
The utility model relates to the technical field of cutting, in particular to a secondary cutting structure suitable for a trimming die and the trimming die.
Background
Debugging is accompanied by social development, human progress, and improvement of living standard of people. For the automobile industry, the requirements of consumers on the purchased automobiles are more and more severe, and the automobile industry is updated very fast in order to continuously cater to the appetite of the consumers. The method aims at solving the technical problems that in the prior art, a common scrap cutter cannot reduce the drawing state in a hundred percent on site at a scrap cutter bypass position, and gaps exist between the scrap cutter angle position of a lower die and the scrap cutter of an upper die in the actual production process, so that scraps are very easy to generate, debugging is difficult, a workpiece is crushed, and the defect of the whole product is caused, and the scheme for avoiding the production of chips at present comprises the following steps:
adopting a rotary scrap cutter: the die has a complex structure, seriously affects the die cost, is extremely easy to generate burrs and is inconvenient to maintain;
adjusting the process, and increasing trimming times: the number of the die sleeves is increased, and the cost is wasted;
floating scrap knife: the structure is complex, the field debugging difficulty is very high, the later maintenance is difficult, and the damage is extremely easy.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a secondary cutting structure suitable for a trimming die and the trimming die.
According to the secondary cutting structure suitable for the trimming die, which is provided by the utility model, the secondary cutting structure is used for cutting off waste generated by the trimming die, and comprises a waste support, an upper material blocking frame, an upper cutter, a lower material blocking frame and a material pressing block;
the upper material blocking frame is fixedly arranged on an upper die of the trimming die, the lower material blocking frame is fixedly arranged on a lower die of the trimming die, the waste material support is fixedly arranged at the top of the lower die, and the waste material support and the upper material blocking frame are arranged oppositely to form a first waste material position;
the pressing block is fixedly arranged at the bottom of the upper die, the upper cutter and the lower cutter are respectively arranged on the upper die and the lower die and are oppositely arranged, a second waste position is formed between the lower cutter and the upper cutter, and the second waste position is positioned below the first waste position;
when the upper die and the lower die are closed, strip-shaped waste generated by the trimming die falls into a first waste position, and two sides of the waste are respectively supported by a waste support and an upper material blocking frame which are oppositely arranged;
when the upper die is in an open state, the upper material blocking frame moves upwards under the drive of the upper die until the bottom end of the upper material blocking frame is higher than the top end of the waste material, and the waste material slides into a second waste material position under the action of gravity and is limited by the lower material blocking frame;
when the upper die and the lower die are closed again, the waste in the second waste position is pressed by the pressing block at the bottom of the upper die and is cut off by the upper cutter and the lower cutter.
Preferably, the plurality of waste supports are arranged on the top of the lower die in sequence.
Preferably, the upper material blocking frames are multiple, and the upper material blocking frames are sequentially arranged on the upper die.
Preferably, the lower retaining rack is a plurality of lower retaining racks, and the lower retaining racks are sequentially arranged on the lower die and are arranged with the waste material brackets at intervals.
Preferably, the waste support comprises a first fixing part and a supporting part obliquely arranged at the top end of the first fixing part, wherein one end, close to the upper material blocking frame, of the supporting part is a first end, one end, far away from the upper material blocking frame, of the supporting part is a second end, and the first end is lower than the second end;
the upper material blocking frame comprises a second fixing part and a first material blocking part, the first material blocking part is installed at the bottom of the upper die through the second fixing part, and is vertically arranged on the projection along the length direction of the waste material and staggered with the supporting part to form a first waste material position.
Preferably, the lower material blocking frame comprises a third fixing part and a second material blocking part, the second material blocking part is arranged on the lower die through the third fixing part, and the first end of the supporting part extends downwards to form a third material blocking part;
on the projection along waste length direction, form the second waste position between third fender material portion and the second fender material portion, lower cutter is installed second waste position bottom, the swager piece all is located with last cutter second waste position top.
Preferably, the upper end of the upper material blocking frame is provided with a first waste material position, and the upper end of the upper material blocking frame is provided with a second waste material position.
Preferably, the plurality of the supporting blocks are sequentially arranged on the lower die and are arranged with the waste support at intervals.
Preferably, the pressing block, the upper cutter and the lower cutter are all multiple and correspond to each other one by one;
the press blocks comprise polyurethane press blocks.
The trimming die provided by the utility model comprises a trimming die body and the secondary cutting structure suitable for the trimming die, wherein the secondary cutting structure is arranged on one side of the trimming die body.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model has simple structure and convenient operation, adopts the technical means of shearing the waste materials by the upper cutter and the lower cutter, has no bypass during secondary cutting, only cuts the waste materials purely during secondary cutting, is convenient for on-site debugging, reduces scraps, simultaneously adopts the technical means of synchronously pressing the scraps by the pressing blocks before the waste materials are sheared by the upper cutter, effectively avoids the problem of scraps generated by vibration of the waste materials during shearing, has simple structure and effectively reduces the cost of the die.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is an enlarged partial schematic view of FIG. 1;
FIG. 4 is a schematic view of the structure of the carrier block according to the present utility model;
FIG. 5 is a schematic view of the construction of the waste rack of the present utility model;
FIG. 6 is a schematic view of the structure of the upper rack of the present utility model;
FIG. 7 is a schematic view of the structure of the upper cutter of the present utility model;
FIG. 8 is a schematic view of the structure of the lower cutter according to the present utility model;
FIG. 9 is a schematic view of a lower rack according to the present utility model;
FIG. 10 is a schematic view of the structure of the press block according to the present utility model.
The figure shows:
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
The utility model discloses a secondary cutting structure suitable for a trimming die and the trimming die, wherein no bypass exists during secondary cutting, waste materials are only sheared purely during secondary cutting, on-site debugging is facilitated, scraps are reduced, and the scraps are synchronously pressed by a pressing block before being sheared by an upper cutter, so that the problem that scraps are generated due to vibration of the waste materials during shearing is effectively avoided.
According to the secondary cutting structure suitable for the trimming die, provided by the utility model, the secondary cutting structure is used for cutting off waste 1 generated by the trimming die, and comprises a waste bracket 3, an upper material blocking frame 4, an upper cutter 5, a lower cutter 6, a lower material blocking frame 7 and a material pressing block 8 as shown in figures 1-10;
the upper material blocking frame 4 is fixedly arranged on an upper die of the trimming die, the lower material blocking frame 7 is fixedly arranged on a lower die of the trimming die, the waste material bracket 3 is fixedly arranged on the top of the lower die, and the waste material bracket 3 and the upper material blocking frame 4 are arranged oppositely to form a first waste material position; the pressing block 8 is fixedly arranged at the bottom of the upper die, the upper cutter 5 and the lower cutter 6 are respectively arranged on the upper die and the lower die and are oppositely arranged, a second waste position is formed between the lower cutter 6 and the upper cutter 5, and the second waste position is positioned below the first waste position;
when the upper die and the lower die are closed, the strip-shaped waste 1 generated by the trimming die falls into a first waste position, and two sides of the strip-shaped waste are respectively supported by the waste support 3 and the upper material blocking frame 4 which are oppositely arranged; when the upper die is in an open state, the upper material blocking frame 4 moves upwards under the drive of the upper die until the bottom end of the upper material blocking frame is higher than the top end of the waste material 1, and the waste material 1 slides into a second waste material position under the action of gravity and is limited by the lower material blocking frame 7; when the upper and lower molds are closed again, the scrap 1 in the second scrap position is crushed by the crushing block 8 at the bottom of the upper mold and is cut off by the upper cutter 5 and the lower cutter 6. As shown in fig. 3, the lower cutter 6 and the upper cutter 5 have no bypass when cutting off for the second time, and only apply pure shearing to the scrap 1, thereby improving the chipping problem, and meanwhile, by arranging the pressing block, the scrap 1 can be prevented from vibrating during shearing, chipping is further reduced, and the quality of the workpiece is improved.
Preferably, as shown in fig. 2, the number of the scrap holders 3 is plural, and the plurality of the scrap holders 3 are sequentially disposed on the top of the lower mold. The upper material blocking frames 4 are multiple, and the upper material blocking frames 4 are sequentially arranged on the upper die. The number of the lower material blocking frames 7 is multiple, and the lower material blocking frames 7 are sequentially arranged on the lower die and are arranged with the waste material brackets 3 at intervals. The number of the pressing blocks 8, the number of the upper cutters 5 and the number of the lower cutters 6 are all multiple, and the three are in one-to-one correspondence; the presser 8 comprises a polyurethane presser. The scrap 1 is pressed by the pressing blocks 8 which are arranged along the length direction of the scrap 1, so that vibration of the scrap 1 in the shearing process can be effectively eliminated, and scraps are further reduced.
As shown in fig. 5-6, the waste bracket 3 includes a first fixing portion and a supporting portion obliquely disposed at a top end of the first fixing portion, wherein one end of the supporting portion, which is close to the upper material blocking frame 4, is a first end, and one end of the supporting portion, which is far away from the upper material blocking frame 4, is a second end, and the first end is lower than the second end; the upper material blocking frame 4 comprises a second fixing part and a first material blocking part, the first material blocking part is installed at the bottom of the upper die through the second fixing part, and is vertically arranged on the projection along the length direction of the waste 1 and staggered with the supporting part to form a first waste position. Preferably, the lower die further comprises a supporting block 2, wherein the supporting block 2 is fixedly arranged at the top of the lower die, the upper end of the supporting block forms a first waste position together with the waste support 3 and the upper material blocking frame 4, and when the waste 1 is positioned at the first waste position, the waste 1 contacts with the upper end of the supporting block 2. The number of the supporting blocks 2 is multiple, and the plurality of the supporting blocks 2 are sequentially arranged on the lower die and are arranged with the waste support 3 at intervals. When the mould is cut off to the bottom for the first time, the scrap 1 is parked in a first scrap position temporarily by the supporting block 2, the scrap support 3 and the upper material retaining frame 4.
As shown in fig. 9, the lower material blocking frame 7 includes a third fixing portion and a second material blocking portion, the second material blocking portion is mounted on the lower die through the third fixing portion, and the first end of the supporting portion extends downward to form a third material blocking portion; on the projection along the length direction of the waste 1, a second waste position is formed between the third material blocking part and the second material blocking part, the lower cutter 6 is arranged at the bottom of the second waste position, and the pressing block 8 and the upper cutter 5 are both positioned at the top of the second waste position. After the first cutting, the produced long-strip-shaped waste 1 falls from the first waste position to the second waste position through the waste bracket 3 along with the beginning of the retraction of the die, and the lower material blocking frame 7 blocks the waste 1.
The trimming die provided by the utility model comprises a trimming die body and the secondary cutting structure suitable for the trimming die, wherein the secondary cutting structure is arranged on one side of the trimming die body.
The working principle of the utility model is as follows:
in the mould production process, the upper and lower moulds are closed, waste 1 is generated by the action of a waste knife, the waste 1 falls on the waste support 3, and therefore the downward sliding trend is generated, but the upper material blocking frame 4 blocks the waste to prevent the waste from sliding downwards. At the moment, the front end of the waste 1 is supported on the supporting block 2 to prevent the waste 1 from rotating obliquely, the rear end of the waste is blocked by the upper material blocking frame 4, the waste 1 is motionless and is in a static state, and when the die is cut off to the bottom for the first time, the waste 1 is temporarily parked at a first waste position by the supporting block 2, the waste support 3 and the upper material blocking frame 4 together;
as the mould starts to retract, the upper mould is opened, the upper material blocking frame 4 moves upwards along with the upper mould, the upper material blocking frame 4 loses the limiting effect on the waste 1, the waste 1 generates a downward sliding trend due to gravitational potential energy, the whole section of waste 1 slides onto the lower cutter 6 through the waste support 3 due to the limiting effect of the lower material blocking frame 7 at the front end and falls to a second waste position, and the waste 1 is still in a static state at the moment;
along with the second work of mould, upper and lower mould is closed again, polyurethane presses material piece 8 and lower cutter 6 to push down the waste material preferentially, along with the mould is closed downwards, go up cutter 5 and begin the blank until the mould is to the end, waste material 1 accomplishes the secondary and cuts off this moment, falls into the waste material groove and rolls out the mould, and then this flow is repeated to the mould, reaches the effect that realizes the secondary and cuts off.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The secondary cutting structure is used for cutting off waste (1) generated by the trimming die and comprises a waste support (3), an upper material blocking frame (4), an upper cutter (5), a lower cutter (6), a lower material blocking frame (7) and a pressing block (8);
the upper material blocking frame (4) is fixedly arranged on an upper die of the trimming die, the lower material blocking frame (7) is fixedly arranged on a lower die of the trimming die, the waste material bracket (3) is fixedly arranged at the top of the lower die, and the waste material bracket (3) and the upper material blocking frame (4) are oppositely arranged and form a first waste material position;
the pressing block (8) is fixedly arranged at the bottom of the upper die, the upper cutter (5) and the lower cutter (6) are respectively arranged on the upper die and the lower die and are oppositely arranged, a second waste position is formed between the lower cutter (6) and the upper cutter (5), and the second waste position is positioned below the first waste position;
when the upper die and the lower die are closed, strip-shaped waste (1) generated by the trimming die falls into a first waste position, and two sides of the waste (1) are respectively supported by a waste support (3) and an upper material blocking frame (4) which are oppositely arranged;
when the upper die is in an open state, the upper material blocking frame (4) moves upwards under the drive of the upper die until the bottom end of the upper material blocking frame (4) is higher than the top end of the waste material (1), and the waste material (1) slides into a second waste material position under the action of gravity and is limited by the lower material blocking frame (7);
when the upper die and the lower die are closed again, the scrap (1) in the second scrap position is pressed by a pressing block (8) at the bottom of the upper die and is cut off by an upper cutter (5) and a lower cutter (6).
2. The secondary cutting structure suitable for trimming dies according to claim 1, wherein the number of the scrap holders (3) is plural, and the plurality of the scrap holders (3) are sequentially disposed on the top of the lower die.
3. The secondary cutting structure suitable for trimming dies according to claim 1, wherein the number of the upper retaining frames (4) is plural, and the upper retaining frames (4) are sequentially arranged on the upper die.
4. The secondary cutting structure suitable for trimming dies according to claim 2, wherein the number of the lower retaining frames (7) is plural, and the lower retaining frames (7) are sequentially arranged on the lower die and are arranged at intervals with the scrap support (3).
5. The secondary cutting structure suitable for trimming dies according to claim 1, characterized in that the scrap support (3) comprises a first fixing portion and a supporting portion obliquely arranged at the top end of the first fixing portion, wherein one end of the supporting portion, which is close to the upper material blocking frame (4), is a first end, one end of the supporting portion, which is far away from the upper material blocking frame (4), is a second end, and the first end is lower than the second end;
the upper material blocking frame (4) comprises a second fixing part and a first material blocking part, the first material blocking part is installed at the bottom of the upper die through the second fixing part, and is vertically arranged on the projection along the length direction of the waste material (1) and staggered with the supporting part to form a first waste material position.
6. The secondary cutting structure suitable for trimming dies according to claim 5, characterized in that the lower retaining frame (7) comprises a third fixing portion and a second retaining portion, the second retaining portion is mounted on the lower die through the third fixing portion, and the first end of the supporting portion extends downwards to form a third retaining portion;
on the projection along waste material (1) length direction, form the second waste material position between third fender material portion and the second fender material portion, lower cutter (6) are installed second waste material position bottom, press material piece (8) and last cutter (5) all to be located second waste material position top.
7. The secondary cutting structure suitable for trimming dies according to claim 1, further comprising a supporting block (2), the supporting block (2) being fixedly mounted on top of the lower die, the upper end of the supporting block (2) forming a first scrap position together with the scrap support (3) and the upper retaining rack (4), the scrap (1) being in contact with the upper end of the supporting block (2) when the scrap (1) is in the first scrap position.
8. The secondary cutting structure suitable for trimming dies according to claim 7, wherein the number of the supporting blocks (2) is plural, and the plurality of the supporting blocks (2) are sequentially arranged on the lower die and are arranged at intervals with the scrap support (3).
9. The secondary cutting structure suitable for the trimming die according to claim 1, wherein the number of the pressing block (8), the upper cutter (5) and the lower cutter (6) is plural and the three are in one-to-one correspondence;
the presser (8) comprises a polyurethane presser.
10. A trimming die, characterized by comprising a trimming die body and the secondary cutting structure for a trimming die according to any one of claims 1 to 9, the secondary cutting structure being provided on one side of the trimming die body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892029.6U CN220574507U (en) | 2023-07-18 | 2023-07-18 | Secondary cutting structure suitable for trimming die and trimming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892029.6U CN220574507U (en) | 2023-07-18 | 2023-07-18 | Secondary cutting structure suitable for trimming die and trimming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220574507U true CN220574507U (en) | 2024-03-12 |
Family
ID=90119822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321892029.6U Active CN220574507U (en) | 2023-07-18 | 2023-07-18 | Secondary cutting structure suitable for trimming die and trimming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220574507U (en) |
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2023
- 2023-07-18 CN CN202321892029.6U patent/CN220574507U/en active Active
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