CN210876996U - Trimming die with secondary external cutting function - Google Patents
Trimming die with secondary external cutting function Download PDFInfo
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- CN210876996U CN210876996U CN201921730422.9U CN201921730422U CN210876996U CN 210876996 U CN210876996 U CN 210876996U CN 201921730422 U CN201921730422 U CN 201921730422U CN 210876996 U CN210876996 U CN 210876996U
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Abstract
The utility model discloses a trimming die with circumscribed function of secondary, including last mould and lower mould, it has lower mould sword piece to distribute on the lower mould, goes up the mould and corresponds lower mould sword piece position and be equipped with the mould sword piece, and the lower mould corresponds lower mould sword piece outside position and distributes from interior to exterior has leading truck, lower waste material sword and spacing, and wherein the leading truck is installed aslope on the lateral wall of lower mould, goes up the mould and corresponds waste material sword position down and be equipped with the waste material sword, and it has the locating rack to go up the distribution on the mould for the waste material blocks when the secondary blank. The utility model has the advantages that: the play when can prevent the waste material and cut to reduce the production of cuttings and burr, even if produced a small amount of cuttings, because the position that the waste material sword was cuted has the certain distance apart from the lower mould blade again, so on the cuttings also can not splash the product, can prevent product surface damage, improved machining precision and appearance quality effectively.
Description
Technical Field
The utility model relates to a trimming die, concretely relates to trimming die with circumscribed function of secondary.
Background
The plate-shaped parts such as automobile body panels and the like are usually processed and formed by adopting dies, various dies such as drawing dies, punching dies, flanging dies, trimming dies and the like are often required to be designed in the whole process of die processing and forming, wherein the trimming dies refer to dies for cutting off redundant rim charge after the plates are punched, in the cutting-off process, an upper die cutter block moves downwards along with an upper die and simultaneously contacts with a lower die cutting edge and a waste material cutter, the redundant rim charge is directly cut into a plurality of small pieces of waste materials, and then the cut small pieces of waste materials are removed.
In current deburring die equipment, because handing-over sword position (being waste material sword and lower mould blade handing-over position) can tear, can produce cuttings and burr when the waste material cuts off, and the waste material sword is nearer apart from the lower mould blade in addition, and the cuttings very easily splashes on the product, causes the damage to the product surface, influences the machining precision and the appearance quality of product.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a trimming die with circumscribed function of secondary to when solving traditional trimming die and carrying out the waste material cutting, the cuttings caused the damage to the product surface easily, influenced the machining precision of product and appearance quality's technical problem.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
the utility model provides a trimming die with circumscribed function of secondary, includes mould and lower mould, it has lower mould sword piece to distribute on the lower mould, goes up the mould and corresponds lower mould sword piece position and be equipped with mould sword piece, and its key lies in: the waste material cutting device is characterized in that a guide frame, a lower waste material cutter and a limiting frame are distributed on the lower die from inside to outside corresponding to the outer side position of the lower die cutter block, wherein the guide frame is obliquely arranged on the side wall of the lower die, an upper waste material cutter is arranged on the upper die corresponding to the lower waste material cutter, and positioning frames are distributed on the upper die and used for clamping waste materials during secondary cutting.
Adopt above-mentioned structure, when the trimming die carries out the rim charge excision, go up the mould and move down, it takes place shearing action with lower mould sword piece to go up the mould sword piece, cut off a bold waste material from the plate product earlier, then go up the mould return stroke, the bold waste material slides to spacing position along the leading truck, take out the plate after the shaping and put into a plate again this moment, then go up the mould and move down again, it takes place shearing action earlier with lower waste material sword to go up the waste material sword, after cutting off the bold waste material into the bold waste material, it is further down to go up the mould, cut off a bold waste material on the plate of newly putting into from the mould again, then with this analogized work that circulates. Simultaneously, when the waste material sword carries out the secondary shearing, the locating rack can block the waste material, prevents the waste material drunkenness to reduce the production of cuttings and burr, even if produced a small amount of cuttings, because the position of waste material sword shearing has certain distance apart from the lower mould blade, so the cuttings also can not splash to the product on, can prevent product surface damage, has improved machining precision and appearance quality effectively.
Preferably, the method comprises the following steps: the guide frame comprises at least two guide rod bodies arranged on the side wall of the lower die. By adopting the structure, the assembly can be convenient, and the large waste can be quickly and effectively guided to the position of the limiting frame.
Preferably, the method comprises the following steps: the lower waste material knife is correspondingly arranged between two adjacent guide rod bodies, and the cutting edge of the lower waste material knife is parallel to the guide rod bodies. By adopting the structure, the secondary external cutting of the die can be facilitated, and the small waste materials cut out are more uniform.
Preferably, the method comprises the following steps: lower tool apron has been distributed to the lower mould bilateral symmetry, lower waste material sword fixed mounting is on lower tool apron. By adopting the structure, the waste discharging knife is convenient to install.
Preferably, the method comprises the following steps: the limiting frame comprises limiting rod bodies with the same number as the lower tool apron, and the limiting rod bodies are vertically arranged on one side, far away from the guide frame, of the lower tool apron. By adopting the structure, the installation is convenient, and the large waste can be effectively blocked to continue sliding outwards so as to ensure the smooth operation of secondary cutting.
Preferably, the method comprises the following steps: the locating rack comprises a mounting seat fixedly mounted on the lower surface of the upper die, and a first limiting rod and a second limiting rod which extend downwards are arranged on two sides of the mounting seat respectively. By adopting the structure, after the large waste slides out along the guide frame, in the secondary descending process of the upper die, the first limiting rod and the second limiting rod can clamp the waste, so that the waste is prevented from moving, the shearing stability of the waste cutter is improved, and the generation of powder and burrs is reduced.
Preferably, the method comprises the following steps: and the connecting line of the lower ends of the first limiting rod and the second limiting rod is parallel to the guide rod body. By adopting the structure, the lower ends of the first limiting rod and the second limiting rod can be ensured to be simultaneously contacted with the edges of the two ends of the waste material, so that the waste material can be clamped by the two limiting rods simultaneously, and the effect of increasing the positioning effect is achieved.
Preferably, the method comprises the following steps: the upper die is characterized in that upper tool holders are symmetrically distributed on two sides of the upper die, the upper waste material knife is fixedly mounted on the upper tool holders, and the cutting edge of the upper waste material knife is parallel to the guide rod body. By adopting the structure, the waste material knife can conveniently carry out secondary shearing.
Preferably, the method comprises the following steps: and guide chutes are respectively arranged between the two adjacent lower tool holders and between the lower tool holders at the two ends and the end part of the lower die, and the guide chutes are obliquely arranged. By adopting the structure, the cut waste material section can be discharged smoothly.
Preferably, the method comprises the following steps: the lower mould corresponds baffle box lower extreme position and is equipped with the guide board, and the guide board slope sets up. By adopting the structure, the waste material section can be further discharged out of the die.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the trimming die with the secondary external cutting function, when the waste material knife carries out secondary shearing, the positioning frame can clamp the waste material, prevent the waste material from moving, reduce the generation of powder scraps and burrs, and even if a small amount of powder scraps are generated, the position sheared by the waste material knife has a certain distance from the cutting edge of the lower die, so the powder scraps can not be splashed onto a product, the surface damage of the product can be prevented, and the processing precision and the appearance quality are effectively improved; simultaneously, the guide bar body, waste material sword cutting edge down, go up the waste material sword cutting edge, first gag lever post and the line four of second gag lever post lower extreme all keep parallel, can guarantee the stability of secondary shearing effectively.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a lower mold;
FIG. 3 is a schematic structural view of an upper mold;
FIG. 4 is a cross-sectional view of the upper die;
fig. 5 is a schematic structural view of the positioning frame.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, 2 and 3, the trimming die with the secondary external cutting function structurally comprises an upper die 1 and a lower die 2 which are arranged oppositely, wherein lower die cutter blocks 3 are distributed on the front side and the rear side of the lower die 2, upper die cutter blocks 4 are distributed on the front side and the rear side of the upper die 1, when the die is used for cutting off rim charge, the upper die 1 moves downwards, the upper die cutter blocks 4 and the lower die cutter blocks 3 generate a shearing action, and a large waste material is firstly cut off from a plate product.
Lower mould 2 corresponds 3 outside positions of lower mould sword piece and distributes from interior to exterior has guide frame 5, lower waste material sword 6 and spacing 7, goes up mould 1 and is equipped with waste material sword 8 corresponding waste material sword 6 positions down, and wherein guide frame 5 comprises many guide rod bodies 5a, and each guide rod body 5a all installs aslope on 2 lateral walls of lower mould, and lower waste material sword 6 also all inclines to set up with the blade of last waste material sword 8 to it is parallel with guide rod body 5 a.
After the bold waste material is sheared off by last mould sword piece 4 and lower mould sword piece 3, then go up mould 1 return stroke, the bold waste material slides to spacing 7 positions along guide bracket 5, take out the plate after the shaping this moment and put into a plate to the mould again, then go up mould 1 and remove downwards again, go up waste material sword 8 and take place shearing action earlier with lower waste material sword 6, after cutting off the bold waste material into the fritter waste material, then go up mould 1 further down, cut out a bold waste material on the plate of putting into again in the mould again, then with the work of circulation that so on.
As shown in fig. 4 and 5, the positioning frame 9 is further distributed on the upper die 1, and comprises a mounting seat 9a fixedly mounted on the lower surface of the upper die 1, a first limiting rod 9b and a second limiting rod 9c which extend downwards are respectively arranged on two sides of the mounting seat 9a, when the waste material knife is used for secondary shearing, the first limiting rod 9b and the second limiting rod 9c can clamp waste materials, the waste materials are prevented from moving when being sheared, and the shearing stability is improved, so that the generation of powder scraps and burrs is reduced. Secondly, even if a small amount of powder is generated, the powder cannot splash to a product because the shearing position of the waste cutter has a certain distance from the cutting edge of the lower die, so that the surface damage of the product can be prevented, and the processing precision and the appearance quality are effectively improved.
As shown in fig. 4, the lower ends of the first and second limiting rods 9b and 9c both exceed the cutting edge of the upper waste material knife 8, so that it can be ensured that the first and second limiting rods 9b and 9c clamp the waste material before the secondary shearing occurs, and the shearing stability is improved.
Furthermore, the length of the first limiting rod 9b is shorter than that of the second limiting rod 9c, and the connecting line of the lower ends of the first limiting rod and the second limiting rod is parallel to the guide rod body 5a, so that the lower ends of the first limiting rod 9b and the second limiting rod 9c can be simultaneously contacted with the edges of the two ends of the waste material, the waste material can be clamped by the two limiting rods, and the effect of increasing the positioning effect is achieved.
Further, in this embodiment, the connecting line between the lower ends of the first and second limiting rods 9b and 9c, the guide rod body 5a, the cutting edge of the lower waste material knife 6, and the cutting edge of the upper waste material knife 8 are all kept parallel to each other, so that the stability of secondary shearing can be effectively ensured, and the generation of dusts and burrs is maximally reduced.
As shown in fig. 2, in order to ensure the uniformity of the secondary shearing, lower tool holders 2a are symmetrically distributed on both sides of the lower die 2, each lower tool holder 2a is correspondingly distributed between two adjacent guide rod bodies 5a, and a lower waste material cutter 6 is fixedly installed on the lower tool holders 2 a.
The limiting frame 7 is composed of a plurality of limiting rod bodies 7a, and the limiting rod bodies 7a are vertically arranged on one side, far away from the guide frame 5, of the lower tool apron 2 a.
As shown in fig. 3, in order to facilitate installation of the scrap feeding knife 8, upper knife blocks 1a are symmetrically distributed on both sides of the upper die 1, and the scrap feeding knife 8 is fixedly installed on the upper knife blocks 1 a.
As shown in fig. 1 and 2, material guiding grooves 10 are respectively disposed between two adjacent lower tool apron 2a and between the lower tool apron 2a at two ends and the end of the lower die 2, the material guiding grooves 10 are obliquely arranged, a guiding plate 11 is further disposed at the lower end of the lower die 2 corresponding to the material guiding grooves 10, the guiding plate 11 is also obliquely disposed, and the waste material cut into small sections is discharged from the die through the material guiding grooves 10 and the guiding plate 11.
The utility model discloses the mould theory of operation of secondary shearing does:
the method comprises the following steps: the upper die 1 descends to cut a large piece of waste material from a plate product;
step two: returning the upper die 1, sliding the large waste materials to the position of the limiting frame 7 along the guide frame 5, and taking out the formed plate and putting the plate into the die again;
step three: the upper die 1 descends again, the upper waste material knife 8 and the lower waste material knife 6 generate shearing action firstly to cut the large waste material into small waste materials, the small waste materials are discharged from the material guide groove 10, then the upper die 1 descends further, and then a large waste material is cut from a plate newly placed in the die;
then the steps of two and three … … are repeated in sequence
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (10)
1. The utility model provides a trimming die with function is circumscribed to secondary, includes mould (1) and lower mould (2), it has lower mould sword piece (3) to distribute on lower mould (2), goes up mould (1) and corresponds lower mould sword piece (3) position and is equipped with mould sword piece (4), its characterized in that: lower mould (2) correspond lower mould sword piece (3) outside position from interior to outer distribution have leading truck (5), lower waste material sword (6) and spacing (7), wherein leading truck (5) install aslope on the lateral wall of lower mould (2), go up mould (1) and correspond waste material sword (6) position down and be equipped with waste material sword (8), go up mould (1) and distribute on having locating rack (9) for block the waste material when the secondary blank.
2. The trimming die with the secondary external cutting function according to claim 1, wherein: the guide frame (5) comprises at least two guide rod bodies (5a) arranged on the side wall of the lower die (2).
3. The trimming die with the secondary external cutting function according to claim 2, wherein: the lower waste material knife (6) is correspondingly arranged between two adjacent guide rod bodies (5a), and the cutting edge of the lower waste material knife (6) is parallel to the guide rod bodies (5 a).
4. The trimming die with the secondary external cutting function according to claim 3, wherein: lower tool apron (2a) are symmetrically distributed on two sides of the lower die (2), and the lower waste material knife (6) is fixedly installed on the lower tool apron (2 a).
5. The trimming die with the secondary external cutting function according to claim 4, wherein: the limiting frame (7) comprises limiting rod bodies (7a) the number of which is the same as that of the lower tool apron (2a), and the limiting rod bodies (7a) are vertically installed on one side, far away from the guide frame (5), of the lower tool apron (2 a).
6. The trimming die with the secondary external cutting function according to any one of claims 2 to 5, wherein: locating rack (9) are equipped with downwardly extending's first gag lever post (9b) and second gag lever post (9c) respectively including fixed mounting at mount pad (9a) of last mould (1) lower surface, mount pad (9a) both sides.
7. The trimming die with the secondary external cutting function according to claim 6, wherein: the connecting line of the lower ends of the first limiting rod (9b) and the second limiting rod (9c) is parallel to the guide rod body (5 a).
8. The trimming die with the secondary external cutting function according to claim 6, wherein: go up mould (1) bilateral symmetry and distribute and go up blade holder (1a), go up waste material sword (8) fixed mounting on last blade holder (1a), and the cutting edge of going up waste material sword (8) with guide rod body (5a) are parallel.
9. The trimming die with the secondary external cutting function according to claim 4 or 5, wherein: guide chutes (10) are respectively arranged between the two adjacent lower tool holders (2a) and between the lower tool holders (2a) at the two ends and the end part of the lower die (2), and the guide chutes (10) are obliquely arranged.
10. The trimming die with the secondary external cutting function according to claim 9, wherein: the lower die (2) is provided with a guide plate (11) corresponding to the lower end of the guide chute (10), and the guide plate (11) is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730422.9U CN210876996U (en) | 2019-10-15 | 2019-10-15 | Trimming die with secondary external cutting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730422.9U CN210876996U (en) | 2019-10-15 | 2019-10-15 | Trimming die with secondary external cutting function |
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| Publication Number | Publication Date |
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| CN210876996U true CN210876996U (en) | 2020-06-30 |
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| CN201921730422.9U Active CN210876996U (en) | 2019-10-15 | 2019-10-15 | Trimming die with secondary external cutting function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586747A (en) * | 2019-10-15 | 2019-12-20 | 重庆平伟汽车科技股份有限公司 | Trimming die capable of conducting secondary external cutting on waste materials |
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2019
- 2019-10-15 CN CN201921730422.9U patent/CN210876996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586747A (en) * | 2019-10-15 | 2019-12-20 | 重庆平伟汽车科技股份有限公司 | Trimming die capable of conducting secondary external cutting on waste materials |
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