CN214517152U - Low-deviation punch forming mechanism for plates - Google Patents
Low-deviation punch forming mechanism for plates Download PDFInfo
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- CN214517152U CN214517152U CN202120488938.8U CN202120488938U CN214517152U CN 214517152 U CN214517152 U CN 214517152U CN 202120488938 U CN202120488938 U CN 202120488938U CN 214517152 U CN214517152 U CN 214517152U
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- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 238000004080 punching Methods 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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Abstract
The application relates to a low skew degree stamping forming mechanism of panel relates to panel stamping processing's technical field. Utilize punch press and stamping die to carry out stamping process to panel usually, the fixed a plurality of locating pieces that are equipped with in upper end of lower mould can only fix a position certain specific size's panel, when there is the difference in panel size, need set up multiple lower mould, and the cost is higher, still need carry out the mould and change. This application includes die holder, upper die base, install in the bed die of die holder upper end, install in the last mould of upper die base lower extreme, the upper end of bed die is equipped with the locating piece, the locating piece includes first piece and second piece, horizontal installation has first pneumatic cylinder and second pneumatic cylinder on the die holder, first piece and first pneumatic cylinder butt the both sides limit that panel is relative respectively, second piece and second pneumatic cylinder butt the other both sides limit of panel respectively. When the size of panel exists the difference, first pneumatic cylinder and second pneumatic cylinder still can fix a position panel, are favorable to reduce cost.
Description
Technical Field
The application relates to the field of plate stamping, in particular to a low-offset stamping forming mechanism for plates.
Background
When a plate is punched by a punch press, a punching die is usually fixedly mounted on the punch press, then the plate to be punched is clamped on a lower die, and the punch press drives an upper die to vertically move downwards and to close the die, so that the whole punching process is completed.
In the process of stamping, if the plate is horizontally displaced relative to the lower die or the upper die and the lower die are horizontally displaced, stamping deviation can be caused, and the stamping precision of the plate is reduced. Therefore, under the general condition, the upper end of lower mould all is equipped with a plurality of locating pieces, forms the clamping district around between a plurality of locating pieces, and panel is placed in the clamping district to reduce in the stamping process panel and lower mould and take place relative displacement.
For the related art, the inventor thinks that, under normal circumstances, the clamping area on the upper surface of the lower die is fixed in size, and only a certain specific size of sheet material blank can be positioned, and if sheet material blanks of various sizes need to be punched and the punching areas of various blanks are the same, various lower dies need to be designed and processed, so that the cost is high, and the die needs to be replaced, which is complicated.
SUMMERY OF THE UTILITY MODEL
In order to reduce the cost of lower mould, simplify the punching press processing operation, this application provides a panel low skew degree stamping forming mechanism.
The application provides a low skew degree stamping forming mechanism of panel adopts following technical scheme:
the utility model provides a low skew degree stamping forming mechanism of panel, includes die holder, upper die base, install in the bed die of die holder upper end, install in the last mould of upper die base lower extreme, lower mould cavity has been seted up to the upper end of bed die, the upper end of bed die is equipped with the locating piece, the locating piece includes first piece and second piece, horizontal installation has first pneumatic cylinder and second pneumatic cylinder on the die holder, first pneumatic cylinder with the direction of motion mutually perpendicular of the piston rod of second pneumatic cylinder, first piece with first pneumatic cylinder is used for respectively the butt in the relative both sides limit of panel, the second piece with the second pneumatic cylinder is used for respectively the butt in the other both sides limit of panel.
By adopting the technical scheme, when a worker clamps the rectangular plate, one corner of the plate abuts against a right-angle included angle formed by the first block and the second block, and the first hydraulic cylinder and the second hydraulic cylinder abut against two adjacent side edges of the plate respectively, so that the clamping work of the plate is completed; if the plate size of the same mould clamping is different, the piston rod of the hydraulic cylinder is telescopic, so that the plate can be clamped and tightly supported, the mould cost is reduced, the mould replacement frequency is reduced, and the mould clamping device is convenient to use.
Optionally, a first guide groove is formed in the lower die base, a first guide column is arranged on the upper die base, and the first guide column is in sliding fit with the first guide groove in the vertical direction.
Through adopting above-mentioned technical scheme, first guide way and first guide post are along vertical direction sliding fit to play the effect of direction to the vertical downstream of upper die base, be favorable to reducing the horizontal offset that upper die base and die holder produced in the stamping process, improve the punching press machining precision.
Optionally, the outer circumferential surface of the first guide column is sleeved with a ball support sleeve, a plurality of steel balls are movably embedded in the ball support sleeve, and the thickness of the ball support sleeve is smaller than the diameter of each steel ball.
By adopting the technical scheme, because the outer peripheral face of the first guide post is provided with the steel ball which can roll, the sliding fit of the original first guide post and the first guide groove is converted into the rolling fit of the steel ball and the first guide groove, the friction loss of the first guide post and the first guide groove is favorably reduced, and the service life of the part is prolonged.
Optionally, the inner wall of the ball support sleeve is provided with an oil guide groove spirally wound, and each steel ball is located on an extending path of the oil guide groove.
Through adopting above-mentioned technical scheme, because all steel balls just inlay and establish on leading the extension route of oil groove for lead the oil groove and can carry lubricating oil to every steel ball department, play lubricated effect to the steel ball, then the steel ball rolls more smoothly in ball support sleeve, is difficult to appear the dead condition of card.
Optionally, the upper end of the lower die is provided with a second guide groove, the lower end of the upper die is provided with a second guide column, and the second guide groove is in sliding fit with the second guide column along the vertical direction.
Through adopting above-mentioned technical scheme, second guide way and second guide post sliding fit to play the guide effect to the compound die stamping process of last mould and bed die, be favorable to reducing the horizontal offset of last mould and bed die, further improve the punching press machining precision.
Optionally, the outer edge of the lower end of the second guide column is provided with a guide round angle.
Through adopting above-mentioned technical scheme, in second guide post sliding plug connects to the second guide way, the effect of direction can be played to the direction fillet, avoids the condition that the lower extreme of second guide post and the open end of second guide way take place to interfere as far as possible for sliding plug process between them is more smooth.
Optionally, an installation groove for fixing the lower die is formed in the upper end of the lower die holder, and when the planar size of the lower die is smaller than that of the installation groove, a fixing cushion block is inserted between the side face of the lower die and the side wall of the installation groove.
Through adopting above-mentioned technical scheme, during the clamping bed die, if the length or the width of bed die are less than the length or the width of mounting groove, through pegging graft fixed cushion to the side of bed die and between the lateral wall of mounting groove for the bed die can be stably fixed mounting on the die holder, and the dismouting is comparatively convenient.
Optionally, the lower end array of the upper die holder is provided with a plurality of threaded holes for fixing the lower die.
Through adopting above-mentioned technical scheme, the array sets up in the screw hole of die holder lower extreme, is convenient for install the mould of going up of multiple size for it can be fixed on the upper die base steadily to go up the mould.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the first hydraulic cylinder and the second hydraulic cylinder, the plates can still be clamped and abutted under the condition that the sizes of the clamped plates are different, so that the mold cost is reduced, the mold replacement frequency is reduced, and convenience is brought;
2. by arranging the ball support sleeve and the balls, the sliding fit of the original first guide column and the first guide groove is converted into the rolling fit of the steel balls and the first guide groove, so that the friction loss of the first guide column and the first guide groove is reduced, and the service life of parts is prolonged;
3. lead the oil groove through the setting, lead the oil groove and can carry lubricating oil to every steel ball department, play lubricated effect to the steel ball, then the steel ball rolls more smoothly in ball support sleeve, is difficult to appear the dead condition of card.
Drawings
FIG. 1 is a schematic structural diagram of a low-offset stamping forming mechanism for a plate according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a partial explosion of the ball retainer shown in fig. 1 after cutting.
Description of reference numerals: 1. an upper die holder; 11. a first guide post; 111. a catch tray; 112. a stud; 113. a coil spring; 12. a ball support sleeve; 121. steel balls; 122. an oil guide groove; 13. a threaded hole; 2. a lower die holder; 21. mounting grooves; 22. a first hydraulic cylinder; 23. a second hydraulic cylinder; 24. accommodating grooves; 25. a first guide groove; 3. an upper die; 31. a second guide post; 311. a guide fillet; 4. a lower die; 41. a lower mold cavity; 42. positioning blocks; 421. a first block; 422. a second block; 43. an avoidance groove; 44. a second guide groove; 5. and fixing the cushion block.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses panel low skew stamping forming mechanism.
Referring to fig. 1 and 2, a low-offset stamping forming mechanism for a plate includes an upper die holder 1, a lower die holder 2, an upper die 3 and a lower die 4, wherein a lower die cavity 41 is formed downward at the upper end of the lower die 4. The upper end of lower bolster 2 is seted up and is rectangular mounting groove 21, and lower mould 4 fixed mounting is in mounting groove 21, and lower mould 4 flushes with the upper end of lower bolster 2. The upper end of the lower die 4 is fixedly provided with a positioning block 42, the positioning block 42 comprises a first block 421 and a second block 422 which are rectangular block-shaped, and the first block 421 and the second block 422 are vertically connected into a whole in the horizontal direction. The lower die holder 2 is fixedly provided with a first hydraulic cylinder 22 and a second hydraulic cylinder 23, and the axes of the piston rods of the first hydraulic cylinder and the second hydraulic cylinder are vertical to each other in the horizontal direction.
This application embodiment aims at tightly supporting panel in the side of first piece 421 through setting up first pneumatic cylinder 22 and second pneumatic cylinder 23, first pneumatic cylinder 22, second pneumatic cylinder 23 tightly supports panel in the side of second piece 422, thereby the location clamping work to panel is accomplished, if there is the difference to the panel size of treating the punching press, under the condition of not changing lower mould 4, first pneumatic cylinder 22 and second pneumatic cylinder 23 still can carry out the clamping to panel, it is fixed, be favorable to reducing the mould cost.
Two holding grooves 24 have been seted up to the upper end of lower bolster 2, and first pneumatic cylinder 22 and second pneumatic cylinder 23 are fixed mounting respectively in two holding grooves 24 to first piece 421 is located the axis of the piston rod of first pneumatic cylinder 22, and second piece 422 is located the axis of the piston rod of second pneumatic cylinder 23. Correspondingly, two avoiding grooves 43 are formed in the upper end of the lower die 4, and the two avoiding grooves 43 are respectively consistent with the extending directions of the two accommodating grooves 24.
When the rectangular plate is clamped and positioned, one corner of the rectangular plate is abutted to a right-angle included angle formed by the first block 421 and the second block 422, then the piston end of the first hydraulic cylinder 22 extends out of the accommodating groove 24, the plate is abutted to the side face of the first block 421 along the avoiding groove 43, and similarly, the piston end of the second hydraulic cylinder 23 abuts to the side face of the second block 422, so that the fixed clamping work of the plate is completed.
A first guide groove 25 is formed in each of the four corners of the upper end of the lower die holder 2, the first guide grooves 25 are blind holes, and first guide columns 11 are welded at the four corners of the upper end of the upper die holder 1. The outer peripheral face of each first guide post 11 is sleeved with a ball support sleeve 12, a plurality of steel balls 121 are embedded in the ball support sleeve 12, the steel balls 121 can roll in any direction relative to the ball support sleeve 12, and the diameter of each steel ball 121 is larger than the wall thickness of the ball support sleeve 12, so that the steel balls 121 can protrude out of the inner wall and the outer wall of the ball support sleeve 12. The inner wall of the ball support sleeve 12 is provided with an oil guide groove 122 for storing and conveying lubricating oil, the oil guide groove 122 is spirally arranged, and each steel ball 121 is located in the extending direction of the oil guide groove 122, so that the lubricating oil can lubricate each steel ball 121 along the oil guide groove 122.
The lower end of each first guide post 11 is provided with a baffle disc 111 for limiting the ball support sleeve 12 from falling off the first guide post 11, the upper end of the baffle disc 111 is welded with a stud 112, and the stud 112 is in threaded fit with the first guide post 11. The outer peripheral surface of the first guide post 11 is further sleeved with a coil spring 113, and the coil spring 113 is located between the ball support sleeve 12 and the lower end of the upper die base 1. After the retainer 111 is fastened and fixed, the ball support sleeve 12 abuts against the retainer 111 by the elastic force of the coil spring 113.
A second guide groove 44 is respectively formed at the four corners of the lower die 4, a second guide column 31 is welded at each of the four corners of the upper die 3, the second guide column 31 is in sliding fit with the second guide groove 44 along the vertical direction, and a guide fillet 311 is arranged at the lower end edge of the second guide column 31. In the process of stamping and forming the sheet material, the second guide column 31 is inserted into the second guide groove 44 along the vertical direction, so that the effect of guiding the die closing process of the upper die 3 and the lower die 4 is achieved, the horizontal offset generated in the stamping process is reduced as much as possible, and the stamping processing precision is improved.
The mounting groove 21 of the lower die holder 2 can be used for mounting the lower dies 4 with various sizes, and if the length or the width of the lower die 4 is smaller than that of the mounting groove 21, a worker can insert the fixing cushion block 5 between the side surface of the lower die 4 and the side wall of the mounting groove 21, so that the lower die 4 is limited to be horizontally displaced relative to the lower die holder 2. Since the distance between the lower mold 4 and the sidewall of the mounting groove 21 is determined depending on the size of the lower mold 4, the distance between the lower mold 4 and the sidewall of the mounting groove 21 is not determined, and the size of the fixing pad 5 for compensating the distance is also not determined. This application embodiment is through setting up the fixed cushion 5 of a plurality of different thickness, and the thickness accuracy of fixed cushion 5 is higher, and when fixed bed die 4, the staff arranges, makes up the fixed cushion 5 of a plurality of different thickness for the interval of total thickness can compensate bed die 4 and 21 lateral walls of mounting groove.
The lower extreme of upper die base 1 has upwards seted up a plurality of screw hole 13, and all screw holes 13 set up according to the rectangle array, and the staff of being convenient for is with the lower extreme of upper die base 1 with the fixed mounting of unidimensional upper die 3.
The implementation principle of the embodiment is as follows: by arranging the first hydraulic cylinder 22 and the second hydraulic cylinder 23, the plates can still be clamped and tightly abutted under the condition that the sizes of the clamped plates are different, so that the mold cost is reduced, the mold replacement frequency is reduced, and convenience is brought; through setting up oil guide groove 122, oil guide groove 122 can carry lubricating oil to every steel ball 121 department, plays lubricated effect to steel ball 121, and then steel ball 121 rolls more smoothly in ball support sleeve 12, is difficult to appear the dead condition of card.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a low skew degree stamping forming mechanism of panel which characterized in that: comprises a lower die holder (2), an upper die holder (1), a lower die (4) arranged at the upper end of the lower die holder (2), and an upper die (3) arranged at the lower end of the upper die holder (1), a lower die cavity (41) is arranged at the upper end of the lower die (4), a positioning block (42) is arranged at the upper end of the lower die (4), the positioning block (42) comprises a first block (421) and a second block (422), a first hydraulic cylinder (22) and a second hydraulic cylinder (23) are horizontally arranged on the lower die holder (2), the movement directions of the piston rods of the first hydraulic cylinder (22) and the second hydraulic cylinder (23) are vertical to each other, the first block (421) and the first hydraulic cylinder (22) are used for respectively abutting against two opposite side edges of the plate, the second block (422) and the second hydraulic cylinder (23) are used for respectively abutting against the other two side edges of the plate.
2. The low-offset punch forming mechanism for the plate according to claim 1, wherein: a first guide groove (25) is formed in the lower die base (2), a first guide column (11) is arranged on the upper die base (1), and the first guide column (11) is in sliding fit with the first guide groove (25) in the vertical direction.
3. The low-offset punch forming mechanism for the plate as claimed in claim 2, wherein: the outer peripheral surface of the first guide column (11) is sleeved with a ball support sleeve (12), a plurality of steel balls (121) are movably embedded in the ball support sleeve (12), and the thickness of the ball support sleeve (12) is smaller than the diameter of the steel balls (121).
4. The low-offset stamping forming mechanism for the plate as claimed in claim 3, wherein: the inner wall of the ball support sleeve (12) is provided with an oil guide groove (122) which is spirally wound, and each steel ball (121) is positioned on an extending path of the oil guide groove (122).
5. The low-offset punch forming mechanism for the plate according to claim 1, wherein: the upper end of the lower die (4) is provided with a second guide groove (44), the lower end of the upper die (3) is provided with a second guide column (31), and the second guide groove (44) is in sliding fit with the second guide column (31) along the vertical direction.
6. The low-offset stamping forming mechanism for the plate as claimed in claim 5, wherein: and a guide round angle (311) is arranged on the outer edge of the lower end of the second guide column (31).
7. The low-offset punch forming mechanism for the plate according to claim 1, wherein: the upper end of the lower die holder (2) is provided with a mounting groove (21) for fixing the lower die (4), and when the plane size of the lower die (4) is smaller than the mounting groove (21), a fixing cushion block (5) is inserted between the side surface of the lower die (4) and the side wall of the mounting groove (21).
8. The low-offset punch forming mechanism for the plate according to claim 1, wherein: the lower end array of the upper die holder (1) is provided with a plurality of threaded holes (13) for fixing the lower die (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488938.8U CN214517152U (en) | 2021-03-08 | 2021-03-08 | Low-deviation punch forming mechanism for plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488938.8U CN214517152U (en) | 2021-03-08 | 2021-03-08 | Low-deviation punch forming mechanism for plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517152U true CN214517152U (en) | 2021-10-29 |
Family
ID=78262009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120488938.8U Expired - Fee Related CN214517152U (en) | 2021-03-08 | 2021-03-08 | Low-deviation punch forming mechanism for plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214517152U (en) |
-
2021
- 2021-03-08 CN CN202120488938.8U patent/CN214517152U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |