CN210647971U - Stamping die capable of preventing material from returning and deforming and stamping equipment using stamping die - Google Patents
Stamping die capable of preventing material from returning and deforming and stamping equipment using stamping die Download PDFInfo
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- CN210647971U CN210647971U CN201921134379.XU CN201921134379U CN210647971U CN 210647971 U CN210647971 U CN 210647971U CN 201921134379 U CN201921134379 U CN 201921134379U CN 210647971 U CN210647971 U CN 210647971U
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- blank holder
- rotating block
- stamping die
- supporting seat
- template
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Abstract
The utility model discloses a prevent material back to push up stamping die who warp, include: an upper template and a lower template; the first elastic piece group is arranged on the lower template; the blank holder is connected with the first elastic piece set; and the anti-ejection mechanism is connected with the upper template or the lower template, and can be abutted against the blank holder to move upwards after the upper template is away from the lower template. When the upper die plate is far away from the lower die plate, the anti-ejection mechanism is abutted against the blank holder, so that the blank holder is extended and then moves upwards, and a processing material cannot deform when the blank holder is ejected backwards, so that the drawing process can use the process of the progressive die to perform continuous processing production, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a punching press field especially relates to stamping die and stamping equipment.
Background
When the drawing process is performed on the processing material, in order to prevent the processing material from wrinkling, the stamping die generally comprises an upper die plate, a lower die plate, a first elastic part, a prepressing block, a second elastic part and a blank holder, wherein the upper die plate is provided with a female die, the lower die plate is provided with a male die matched with the female die, the prepressing block is connected with the upper die plate through the first elastic part, the blank holder is connected with the lower die plate through the second elastic part, and the blank holder is provided with a processing hole allowing the male die to pass through.
When drawing and stamping are carried out, the upper template is close to the lower template, the upper template is provided with a pre-pressing block to press a processing material against the male die, the first elastic piece is extruded, then the female die presses the processing material against the blank holder to prevent the processing material from wrinkling during drawing, the female die pushes the blank holder to move downwards continuously, the second elastic piece is extruded, the male die penetrates through the processing hole to push the processing material upwards into the female die, the male die and the female die are closed to draw and form the processing material, then the upper template is far away from the lower template, the female die and the male die are separated, and the drawing process is finished.
However, in order to facilitate separation of the processing material from the male mold, the stamping die is generally provided with a material lifting plate on the lower mold, and the material lifting plate moves upwards after the upper mold plate is away from the lower mold plate for a distance so as to push the processing material to be separated from the male mold. When the cope match-plate pattern kept away from the lower bolster, the restoring force of first elastic component made pre-compaction piece support and pressed on the terrace die, and simultaneously, the restoring force of second elastic component for the blank holder shifts up along with the cope match-plate pattern, and the blank holder shifts up earlier than pre-compaction piece and lift material version promptly, leads to the processing material to push back, is banded processing material part deformation and can't continue to carry, therefore can't use the technology of modulus of continuity to produce, makes production efficiency low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a prevent that material from returning stamping die of top deformation and use its stamping equipment, it can prolong the back blank holder and shift up, prevents that the processing material warp.
The utility model provides a technical scheme that its technical problem provided is:
prevent stamping die of material back-lifting deformation includes:
mounting a template;
the lower die plate is provided with a first elastic element group, and the free end of the first elastic element group is provided with a blank holder;
and the anti-ejection mechanism is connected with the upper template or the lower template, and can be abutted against the blank holder to move upwards after the upper template is away from the lower template.
Preferably, the mechanism of preventing returning to the top includes supporting seat, second elastic component group and butt mechanism, the supporting seat pass through the second elastic component group with the cope match-plate pattern is connected, the supporting seat be provided with the restriction piece with restriction supporting seat with the distance between the lower bolster, butt mechanism sets up on the supporting seat, butt mechanism can with the blank holder butt moves up in order to restrict the blank holder.
Preferably, the abutting mechanism comprises an ejector rod and a rotating block, the ejector rod is connected with the upper template, the rotating block is rotatably connected with the supporting seat, the supporting seat is provided with an opening allowing the ejector rod to pass through, and the ejector rod can penetrate through the opening to push the rotating block so that the rotating block abuts against the blank holder.
Preferably, the abutting mechanism further comprises a first elastic component, the upper die plate is provided with a guide cavity, one end of the first elastic component is connected with the bottom of the guide cavity, and the other end of the first elastic component is connected with the ejector rod.
Preferably, the abutting mechanism further comprises a second elastic component, one end of the second elastic component is connected with the supporting seat, and the other end of the second elastic component abuts against the rotating block to drive the rotating block to reset.
Preferably, the top surface of the blank holder is provided with a concave part matched with the rotating block to rotate.
Preferably, the rotating block is provided with a matching portion that can be fitted with the recess.
Preferably, the two anti-ejection mechanisms are respectively positioned on two sides of the blank holder.
The utility model provides another kind of technical scheme is:
the stamping equipment comprises a driving mechanism and further comprises the stamping die for preventing the material from deforming in the back jacking mode, and the driving mechanism is connected with the upper template and/or the lower template so as to drive the upper template to be close to or far away from the lower template.
Preferably, the device further comprises a false detection device connected with the support seat, a detection end of the false detection device can be abutted against the rotating block to detect whether the rotating block rotates, and the false detection device is electrically connected with the driving mechanism.
The utility model has the advantages that: when the upper die plate is far away from the lower die plate, the anti-ejection mechanism is abutted against the blank holder, so that the blank holder is extended and then moves upwards, and a processing material cannot deform when the blank holder is ejected backwards, so that the drawing process can use the process of the progressive die to perform continuous processing production, and the production efficiency is improved.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a perspective view of one embodiment of the present invention;
fig. 2 is a side view of the upper mold plate of the present invention in a state away from the lower mold plate;
FIG. 3 is a cross-sectional view of the state of FIG. 2;
FIG. 4 is a side view of the female die of the present invention in contact with the blank holder;
FIG. 5 is a cross-sectional view of the state of FIG. 4;
FIG. 6 is a side view of the female die and the male die of the present invention in a closed state;
FIG. 7 is a cross-sectional view of the state of FIG. 6;
FIG. 8 is a side view of the anti-backup mechanism of the present invention in a state of abutting against the blank holder;
fig. 9 is a sectional view in the state of fig. 8.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
Referring to fig. 1, the utility model provides a prevent material back to top stamping die who warp, include:
an upper die plate 10;
the lower die plate 20 is provided with a first elastic element group 30, and the free end of the first elastic element group 30 is provided with a blank holder 40;
and the anti-ejection mechanism is connected with the upper template 10 or the lower template 20 and can be abutted against the blank holder 40 so as to enable the blank holder 40 to move upwards after the upper template 10 is away from the lower template 20.
When the upper template 10 is far away from the lower template 20, the anti-ejection mechanism is abutted against the blank holder 40, the blank holder 40 is delayed to move upwards, and the blank holder 40 cannot deform a processing material when moving upwards and ejecting backwards, so that the drawing process can use the continuous die process to perform continuous processing production, and the production efficiency is improved.
Generally, the upper die plate 10 is provided with a female die 11 and a pre-pressing block 12, the pre-pressing block 12 is connected with the upper die plate 10 through a third elastic member group 13, the lower die plate 20 is provided with a male die 21 matched with the female die 11, and the blank holder 40 is provided with a processing hole 41 allowing the male die 21 to pass through. As a preferred embodiment, the female die 11 is provided with an inner cavity housing the third set of elastic elements 13 and the pre-pressing block 12.
Referring to fig. 1 to 9, as a preferred embodiment, the anti-backup mechanism includes a support seat 50, a second elastic element group 60, and an abutting mechanism, the support seat 50 is connected to the upper die plate 10 through the second elastic element group 60, the support seat 50 is provided with a limiting block 51 to limit the distance between the support seat 50 and the lower die plate 20, and the abutting mechanism is disposed on the support seat 50, and the abutting mechanism can abut against the blank holder 40 to limit the blank holder 40 to move up.
The supporting seat 50 is connected with the upper template 10 through the second elastic piece group 60, and the supporting seat 50 is provided with the limiting block 51, so that when the upper template 10 is close to the lower template 20, the limiting block 51 is pressed against the lower template 20, the upper template 10 is continuously close to the lower template 20, the second elastic piece group 60 is extruded and deformed until the female die 11 and the male die 21 are closed, then, when the upper template 10 is far away from the lower template 20, the restoring force of the second elastic piece group 60 enables the limiting block 51 to be pressed against the lower template 20, and the supporting seat 50 is static relative to the lower template 20. In the process of deformation and recovery of the second elastic element group 60, since the support seat 50 is stationary relative to the lower template 20, at this time, the pressing ring 40 is connected to the pressing ring 40 through the abutting mechanism on the support seat 50, so that the positions of the pressing ring 40 and the support seat 50 are relatively unchanged, and the pressing ring 40 is also stationary relative to the lower template 20, until the recovery force of the first elastic element group 30 is greater than the recovery force of the second elastic element group 60, the pressing ring 40 and the support seat 50 will move upward. In this way, when the upper template 10 starts to be far away from the lower template 20, the blank holder 40 and the support seat 50 are stationary relative to the lower template 20 for a certain distance, so as to achieve the purpose of delaying the upward movement of the blank holder 40. The lower plate 20 may be provided with a block for raising cooperating with the limiting block 51.
The anti-back-jacking mechanism can also be an implementation mode comprising a trigger button, an insertion block, an air cylinder and a timer, wherein the driving end of the air cylinder is connected with the insertion block, the air cylinder is respectively electrically connected with the trigger button and the timer, the blank holder 40 is provided with an insertion hole matched with the insertion block, the trigger button is arranged on the lower template 20, when the blank holder 40 moves downwards to push the trigger button, the air cylinder pushes an insertion piece to be inserted into the insertion hole so as to limit the blank holder 40 to move upwards, and the timer controls the air cylinder to pull out the insertion piece after a set time, so that the purpose of delaying the blank holder 40 to move upwards is achieved.
The anti-back-jacking mechanism can also be
Referring to fig. 6 to 9, as a preferred embodiment of the abutting mechanism, the abutting mechanism includes a top rod 71 and a rotating block 72, the top rod 71 is connected with the upper die plate 10, the rotating block 72 is rotatably connected with the supporting seat 50, the supporting seat 50 is provided with an opening for allowing the top rod 71 to pass through, and the top rod 71 can pass through the opening to push the rotating block 72 so that the rotating block 72 abuts against the blank holder 40.
When the upper template 10 is close to the lower template 20, the upper template 10 presses the second elastic element group 60, the ejector rod 71 is driven to move downwards relative to the supporting seat 50, the female die 11 is pressed against the blank holder 40 to press the first elastic element group 30 to move downwards continuously until the female die 11 and the male die 21 are closed, at this time, the ejector rod 71 penetrates through the opening to push the rotating block 72 to rotate, the rotating block 72 is pressed against the blank holder 40 after rotating, when the upper template 10 is far away from the lower template 20, although the ejector rod 71 moves upwards, the restoring force of the first elastic element group 30 pushes the blank holder 40 to move upwards, so that the rotating block 72 is kept in a state of being abutted against the blank holder 40 and cannot be rotationally reset, the supporting seat 50 and the blank holder 40 are relatively static, along with the continuous upward movement of the upper template 10, the restoring force of the second elastic element group 60 is gradually reduced, when the upward restoring force of the first elastic element group 30 is greater than the, therefore, the blank holder 40 is delayed to move upwards, so that the blank holder 40 can move upwards together with the pre-pressing block 12 and the material lifting plate, after the first elastic element group 30 and the second elastic element group 60 completely recover deformation, the rotating block 72 is separated from the blank holder 40, a drawing process is completed, after the processed materials are conveyed forwards, the upper template 10 is close to the lower template 20 to perform the next drawing process, and continuous die production is realized.
After the top rod 71 moves upwards, the rotating block 72 is kept in contact with the blank holder 40, which can be realized by a mode that a bayonet is arranged on the blank holder 40, the rotating block 72 is in contact with the bayonet after rotating, and the rotating block 72 is locked with the bayonet by the force of the return top of the blank holder 40. In a preferred embodiment, the supporting seat 50 is provided with a limiting portion 52 to limit the rotation angle of the rotating block 72, and the limiting portion 52 is respectively pressed against the upper side and the lower side of the rotating block 72 in cooperation with the edge pressing ring 40 to limit the rotation of the rotating block 72. The rotating block 72 can be shaped so that the center of gravity of the rotating block 72 is shifted after the rotating block is rotated, and the rotating block 72 can be automatically reset under the action of gravity after being separated from the blank holder 40.
The abutting mechanism can also be an implementation mode of a pushing block and a sliding block, the pushing block is connected with the upper template 10, the sliding block is movably connected with the supporting seat 50, a first inclined plane is arranged at the lower end of the pushing block, the sliding block is provided with a second inclined plane matched with the first inclined plane, after the upper template 10 extrudes the second elastic element group 60 to continue moving downwards for a certain distance, the first inclined plane on the pushing block moves along the second inclined plane to push the sliding block to enable the sliding block to abut against the top surface of the blank holder 40, and therefore the supporting seat 50 is connected with the blank holder 40.
Referring to fig. 3, 5, 7 and 9, as a preferred embodiment, the abutting mechanism further includes a first elastic member 73, the upper die plate 10 is provided with a guide cavity, one end of the first elastic member 73 is connected to the bottom of the guide cavity, and the other end of the first elastic member 73 is connected to the ejector rod 71.
When the push rod 71 pushes the rotating block 72, it may happen that the blank holder 40 does not move down to a sufficient distance, so that the rotating block 72 is pressed against the side of the blank holder 40 and cannot rotate. Therefore, the ejector rod 71 is connected with the guide cavity through the first elastic component 73, so that when the rotating block 72 is pressed against the side face of the blank holder 40 and cannot rotate, the first elastic component 73 is extruded to deform and store energy, when the blank holder 40 moves downwards to a sufficient distance, the rotating block 72 is not in contact with the side face of the blank holder 40, the restoring force of the first elastic component 73 drives the rotating block 72 to rotate, and in this way, when the rotating block 72 cannot rotate, the ejector rod 71 or the rotating block 72 is prevented from being damaged, and reliability is improved.
As a preferred embodiment of the rotating block 72, the rotating block 72 is in a shape like a Chinese character '7', when the limiting block 51 is pressed against the lower template 20, the clamping ring 40 is positioned in the L-shaped opening of the rotating block 72 in the shape like the Chinese character '7', and when the female die 11 and the male die 21 are closed, the lower end of the rotating block 72 in the shape like the Chinese character '7' is rotated to the top surface of the clamping ring 40.
Referring to fig. 3, 5, 7 and 9, as a preferred embodiment, the abutting mechanism further includes a second elastic component 74, one end of the second elastic component 74 is connected to the supporting seat 50, and the other end of the second elastic component 74 presses against the rotating block 72 to drive the rotating block 72 to return.
In order to ensure that the rotating block 72 can be correctly reset after being separated from the blank holder 40, the second elastic component 74 is arranged on the supporting seat 50, the push rod 71 pushes the second elastic component 74 when pushing the rotating block 72 to rotate, and when the rotating block 72 is pressed against the blank holder 40, the second elastic component 74 cannot restore to deform, and until the rotating block 72 is separated from the blank holder 40, the second elastic component 74 can not restore to deform and drive the rotating block 72 to reset. The second elastic member 74 may serve as the stopper portion 52.
The first elastic element group 30, the second elastic element group 60 and the third elastic element group 13 respectively comprise at least one elastic element, and the elastic elements can be devices such as helical springs or nitrogen springs, and preferably a plurality of nitrogen springs. The first elastic member 73 and the second elastic member 74 may be elastically deformable members such as coil springs and nitrogen springs, and preferably nitrogen springs.
Referring to fig. 1, in order to make the rotation of the rotating block 72 smoother, the top surface of the blank holder 40 is provided with a recess 42 that rotates in cooperation with the rotating block 72. The cross-sectional shape of the bottom of the recess 42 may be similar to the rotation path of the rotating block 72, so that the rotating block 72 can be more easily pressed against the recess 42 after rotating.
Referring to fig. 7 and 9, the turning block 72 is provided with a mating portion that can be fitted into the recess 42. The matching part is attached to the concave part 42, so that the contact area between the rotating block 72 and the blank holder 40 is larger, and the rotating block 72 can be stably pressed on the top surface of the blank holder 40.
Referring to fig. 1 to 9, there are two sets of anti-ejection mechanisms, and the two sets of anti-ejection mechanisms are respectively located on two sides of the blank holder 40, so that the blank holder 40 is more balanced in stress, the single-side tilting is prevented, and the stability is improved.
Referring to fig. 1 to 9, the present invention provides a stamping apparatus, which includes a driving mechanism, and further includes a stamping die for preventing material from deforming due to back-pushing in the above embodiment, wherein the driving mechanism is connected to the upper template 10 and/or the lower template 20 to drive the upper template 10 to be close to or away from the lower template 20.
The driving mechanism drives the upper die plate 10 to be close to the lower die plate 20, so that the female die 11 and the male die 21 are closed to draw the processing material, the driving mechanism drives the upper die plate 10 to be far away from the lower die plate 20, so that the female die 11 is separated from the male die 21, the anti-ejection mechanism delays the blank holder 40 to move upwards, the processing material is prevented from being deformed, the processing material can be conveyed continuously, continuous die processing is realized, and the production efficiency is improved.
Referring to fig. 2 to 9, the device further includes a false detection device 80 connected to the supporting seat 50, a detection end of the false detection device 80 can be pressed against the rotating block 72 to detect whether the rotating block 72 rotates, and the false detection device 80 is electrically connected to the driving mechanism.
Whether the rotating block 72 rotates is detected through the false detection device 80, so that whether the rotating block 72 resets when the driving mechanism drives the upper template 10 to be close to the lower template 20 is known, whether the rotating block 72 rotates is known when the driving mechanism drives the upper template 10 to be far away from the lower template 20, and whether the driving action is executed is further judged according to the state of the rotating block 72. By the method, when the rotating block 72 fails and is not reset or rotated correctly, the driving mechanism stops working, so that the damage to a mold or a product with a wrong production is prevented, the damage degree is reduced, and huge loss is avoided.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (10)
1. Prevent stamping die of material back-lifting deformation, its characterized in that includes:
an upper template (10);
the lower die plate (20) is provided with a first elastic element group (30), and the free end of the first elastic element group (30) is provided with a blank holder (40);
the anti-ejection mechanism is connected with the upper template (10) or the lower template (20), and the anti-ejection mechanism can be abutted against the blank holder (40) to move upwards the blank holder (40) after the upper template (10) is away from the lower template (20).
2. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 1, wherein: prevent back a mechanism including supporting seat (50), second elastic component group (60) and butt mechanism, supporting seat (50) through second elastic component group (60) with cope match-plate pattern (10) are connected, supporting seat (50) be provided with restriction piece (51) with restriction supporting seat (50) with the distance between lower bolster (20), butt mechanism sets up on supporting seat (50), butt mechanism can with blank holder (40) butt shifts up with restriction blank holder (40).
3. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 2, wherein: the abutting mechanism comprises an ejector rod (71) and a rotating block (72), the ejector rod (71) is connected with the upper template (10), the rotating block (72) is rotatably connected with the supporting seat (50), the supporting seat (50) is provided with an opening allowing the ejector rod (71) to pass through, and the ejector rod (71) can penetrate through the opening to push the rotating block (72) so that the rotating block (72) abuts against the blank holder (40).
4. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 3, wherein: the abutting mechanism further comprises a first elastic component (73), the upper die plate (10) is provided with a guide cavity, one end of the first elastic component (73) is connected with the bottom of the guide cavity, and the other end of the first elastic component (73) is connected with the ejector rod (71).
5. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 3, wherein: the abutting mechanism further comprises a second elastic component (74), one end of the second elastic component (74) is connected with the supporting seat (50), and the other end of the second elastic component (74) is pressed against the rotating block (72) to drive the rotating block (72) to reset.
6. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 3, wherein: and a concave part (42) matched with the rotating block (72) to rotate is arranged on the top surface of the blank holder (40).
7. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 6, wherein: the rotating block (72) is provided with a matching portion which can be attached to the recess (42).
8. The stamping die for preventing the material from being deformed by ejecting back as claimed in any one of claims 1 to 7, wherein: the two anti-back-jacking mechanisms are respectively positioned on two sides of the blank holder (40).
9. Stamping equipment, comprising a driving mechanism, characterized by further comprising a stamping die for preventing material from back-lifting deformation according to any one of claims 3 to 7, wherein the driving mechanism is connected with the upper template (10) and/or the lower template (20) to drive the upper template (10) to be close to or far away from the lower template (20).
10. The stamping die for preventing the material from being deformed by ejecting back as claimed in claim 9, wherein: the detection device comprises a rotating block (72) and a false detection device (80) connected with the supporting seat (50), wherein the detection end of the false detection device (80) can be pressed against the rotating block (72) to detect whether the rotating block (72) rotates, and the false detection device (80) is electrically connected with the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134379.XU CN210647971U (en) | 2019-07-18 | 2019-07-18 | Stamping die capable of preventing material from returning and deforming and stamping equipment using stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134379.XU CN210647971U (en) | 2019-07-18 | 2019-07-18 | Stamping die capable of preventing material from returning and deforming and stamping equipment using stamping die |
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| Publication Number | Publication Date |
|---|---|
| CN210647971U true CN210647971U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921134379.XU Expired - Fee Related CN210647971U (en) | 2019-07-18 | 2019-07-18 | Stamping die capable of preventing material from returning and deforming and stamping equipment using stamping die |
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| CN (1) | CN210647971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355254A (en) * | 2019-07-18 | 2019-10-22 | 中山数码模汽车技术有限公司 | Anti- material returns back to top the stamping die and application its stamping equipment of deformation |
-
2019
- 2019-07-18 CN CN201921134379.XU patent/CN210647971U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355254A (en) * | 2019-07-18 | 2019-10-22 | 中山数码模汽车技术有限公司 | Anti- material returns back to top the stamping die and application its stamping equipment of deformation |
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