CN216606882U - High-precision stamping die with buffering protection function - Google Patents
High-precision stamping die with buffering protection function Download PDFInfo
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- CN216606882U CN216606882U CN202220021985.6U CN202220021985U CN216606882U CN 216606882 U CN216606882 U CN 216606882U CN 202220021985 U CN202220021985 U CN 202220021985U CN 216606882 U CN216606882 U CN 216606882U
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Abstract
The utility model relates to the technical field of high-precision dies, and discloses a high-precision stamping die with a buffer protection function, which is characterized in that a material strip is loaded on a punching table of a concave die plate, the front end part of the material strip is abutted against a first positioning spring pin during first punching, the second positioning spring pin respectively penetrates through holes punched in the front end part of the material strip to realize accurate positioning during second punching, and a guide plate is used for guiding to realize accurate positioning, so that the material strip is prevented from being inclined and the punching precision is not influenced, the guide plate can slide left and right to adjust the position, the adaptability is wide, an elastic piece enables a discharging plate and the material strip to be in flexible contact, the material strip is buffered and protected, the material strip is effectively prevented from being damaged, the discharging plate not only can press the material strip before punching, but also can stably discharge after punching, and 36 small holes can be punched on the material strip at one time, therefore, the parts can be precisely formed with high efficiency, the production efficiency is greatly improved, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of high-precision dies, in particular to a high-precision stamping die with a buffer protection function.
Background
The stamping die is a die for stamping forming, and the blank is directly subjected to a deformation force in the die and is deformed by the power of conventional or special stamping equipment, so that a production technology of a product part with a certain shape, size and performance is obtained. In high-speed mass production, the design and manufacture of stamping dies can have a direct impact on the quality and production efficiency of the stamping.
However, most of the existing stamping dies for punching and forming at present adopt rigid discharging, which easily damages the work material strips, and the positioning accuracy of the workpiece is low, which easily affects the quality of the stamped parts, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a high-precision stamping die with a buffer protection function, and aims to solve the technical problems that an existing stamping die for punching forming is easy to damage workpieces due to rigid unloading, the positioning precision of the workpieces is low, and the quality of stamped parts is easy to influence.
In order to achieve the above purpose, the high-precision stamping die with a buffer protection function comprises an upper die holder, a lower die holder, an upper padding plate, a punching pin fixing plate, a punching pin, a stripper plate, an elastic piece, a lower padding plate, a concave template, a first positioning spring pin, a second positioning spring pin, a first guide pillar, a first guide sleeve, a second guide pillar and a second guide sleeve, wherein the upper die holder is arranged above the lower die holder in a vertically sliding manner, the upper padding plate is detachably fixed on the lower end wall of the upper die holder through a bolt, the punching pin fixing plate is fixed on the lower end wall of the upper padding plate through a bolt, the punching pin is provided with 36 punching pins, the punching pins are arranged on the lower end wall of the punching pin fixing plate in a matrix manner, the upper ends of the punching pins are respectively and fixedly connected with the lower end wall of the punching pin fixing plate, the stripper plate is arranged below the punching pin fixing plate in a vertically sliding manner, the upper end and the lower end of the elastic piece are respectively abutted against the punching fixing plate and the discharging plate, the lower backing plate is detachably fixed on the upper end wall of the lower die holder through bolts, the cavity plate is detachably arranged on the upper end wall of the lower backing plate through bolts, a punching table extending along the length direction is convexly arranged on the upper end wall of the cavity plate, the discharging plate, the punching table, the lower backing plate and the lower die holder are respectively concavely provided with through holes corresponding to the punching needles in a one-to-one manner, the punching needles can be arranged in the through holes in a sliding manner up and down, the first positioning spring pin can be arranged at the front end part of the punching table in a vertically telescopic manner, the second positioning spring pin is respectively arranged at the front end part of the first positioning spring pin in a vertically telescopic manner, and the upper ends of the first positioning spring pin and the second positioning spring pin extend out of the upper end wall of the punching table, the outer diameter of the second positioning spring pin is smaller than that of the punching needle, the first guide columns are vertically and convexly arranged on one side of the upper end wall of the lower die holder respectively, the first guide sleeves are embedded on one side of the upper die holder respectively, the first guide columns can slide up and down along the first guide sleeves, the lower end portions of the second guide columns are fixedly connected with four vertex angles of the upper end wall of the stripper plate respectively, the second guide sleeves are embedded in the punching needle fixing plate, the upper base plate and the upper die holder, and the second guide columns can slide up and down in the second guide sleeves respectively.
Furthermore, the number of the elastic pieces is 6, the elastic pieces are all cylindrical spiral springs, three limiting grooves are respectively formed in two sides of the upper end wall of the discharging plate in a concave mode, and the lower end portions of the elastic pieces are respectively embedded in the limiting grooves in a detachable mode.
Furthermore, the punching device further comprises a limiting column, the upper end part of the limiting column is fixedly connected with the two ends of the lower end wall of the pinhole fixing plate respectively, two ends of the discharging plate are respectively provided with a limiting hole in a concave mode, the limiting column can be arranged in a vertically sliding mode along the limiting hole respectively, and the lower end wall of the limiting column can be abutted to the upper end wall of the punching table respectively.
Further, still include and lead the positive board, lead positive board slidable left and right ground set up in one side of the upper end wall of die board, just the inside wall that leads the positive board can slide the butt setting with the material strip.
Furthermore, the guide plate further comprises fastening screws, two ends of the guide plate are respectively concavely provided with an open slot extending along the width direction, the fastening screws are respectively arranged in the open slots in a penetrating manner and screwed on the concave template, and the fastening screws can respectively slide in the open slots.
The die further comprises positioning pins, the positioning pins are respectively arranged on the upper end wall of the lower die base in a protruding mode, the lower backing plate and the concave die plate are respectively provided with positioning holes in a concave mode, the positioning holes correspond to the positioning pins in a one-to-one mode, and the positioning pins are respectively arranged in the positioning holes in an embedded mode in a detachable mode.
Furthermore, a die handle is convexly arranged on the upper end wall of the upper die holder.
Furthermore, the punching needles are all formed by SKH-51 alloy steel.
By adopting the technical scheme of the utility model, the utility model has the following beneficial effects: according to the technical scheme, the material strip is loaded on the punching table of the concave template, the front end part of the material strip is abutted against the first positioning spring pin during first punching, the second positioning spring pin respectively penetrates through a punched hole in the front end part of the material strip to realize accurate positioning during second punching, the guide plate is used for guiding to realize accurate positioning, the material strip is prevented from being inclined, the punching precision is prevented from being influenced, the guide plate can slide left and right to adjust the position, the adaptability is wide, the discharging plate provides discharging force through the elastic piece, the material strip can be quickly separated from the punching needle, the elastic piece enables the discharging plate and the material strip to be in flexible contact, the material strip is buffered and protected, the material strip is effectively prevented from being damaged, the discharging plate not only has the function of pressing the material strip before punching, but also can stably discharge after punching, so that the material strip is relatively smooth, and the precision of a stamping part is improved, and the second guide pillar plays good guide effect to the stripper, can prevent that the stripper atress is uneven for the stripper motion is more steady, effectively guarantees the quality and the extension mould life of essence towards the piece, and once can dash out 36 apertures on the material strip, thereby realizes high efficiency ground precision forming part, has improved production efficiency greatly, and the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a high-precision stamping die with a buffer protection function according to the present invention;
fig. 2 is a schematic overall structure diagram of another view angle of a high-precision stamping die with a buffer protection function according to the present invention;
fig. 3 is a schematic overall structure diagram of another view angle of a high-precision stamping die with a buffer protection function according to the present invention;
fig. 4 is an exploded view of a high precision stamping die with a buffering protection function according to the present invention;
fig. 5 is a schematic partial structural view of a high-precision stamping die with a buffer protection function according to the present invention;
FIG. 6 is a schematic diagram of a partially exploded structure of a high precision stamping die with a buffering protection function according to the present invention;
fig. 7 is another exploded schematic view of a high precision stamping die with a buffering protection function according to the present invention;
fig. 8 is a schematic structural view of a stripper plate of a high-precision stamping die with a buffer protection function according to the present invention;
fig. 9 is a schematic structural diagram of a material strip loading state of a high-precision stamping die with a buffer protection function according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a high-precision stamping die with a buffer protection function.
As shown in fig. 1 to 9, in an embodiment of the present invention, the high precision press mold with a buffer protection function includes an upper mold base 101, a lower mold base 102, an upper pad plate 103, a punch pin fixing plate 104, a punch pin 105, a stripper plate 106, an elastic member 107, a lower pad plate 108, a cavity plate 109, a first positioning spring pin 110, a second positioning spring pin 111, a first guide post 112, a first guide sleeve 113, a second guide post 114, and a second guide sleeve 115, wherein the upper mold base is slidably disposed above the lower mold base, the upper pad plate is detachably fixed to a lower end wall of the upper mold base by bolts, the punch pin fixing plate is fixed to a lower end wall of the upper pad plate by bolts, the punch pins are provided with 36 punch pins, the punch pins are disposed on the lower end wall of the punch pin fixing plate in a matrix arrangement, and upper ends of the punch pins are respectively fixedly connected to the lower end wall of the punch pin fixing plate, the stripper plate is arranged below the punching fixing plate in a vertically slidable manner, the upper end and the lower end of the elastic piece are respectively abutted against the punching fixing plate and the stripper plate, the lower padding plate is detachably fixed on the upper end wall of the lower die holder through bolts, the cavity plate is detachably arranged on the upper end wall of the lower padding plate through bolts, a punching table 1091 extending along the length direction is convexly arranged on the upper end wall of the cavity plate 109, the stripper plate, the punching table, the lower padding plate and the lower die holder are respectively concavely provided with through holes 116 corresponding to the punching needles one by one, the punching needles can be vertically slidably arranged in the through holes, the first positioning spring pins can be vertically telescopically arranged at the front end part of the punching table, the second positioning spring pins can be vertically telescopically arranged at the front end part of the first positioning spring pins, and the upper end parts of the first positioning spring pins and the second positioning spring pins extend out of the upper end wall of the punching table, the outer diameter of the second positioning spring pin is smaller than that of the punching needle, the first guide columns are vertically and convexly arranged on one side of the upper end wall of the lower die holder respectively, the first guide sleeves are embedded on one side of the upper die holder respectively, the first guide columns can slide up and down along the first guide sleeves, the lower end portions of the second guide columns are fixedly connected with four vertex angles of the upper end wall of the stripper plate respectively, the second guide sleeves are embedded in the punching needle fixing plate, the upper base plate and the upper die holder, and the second guide columns can slide up and down in the second guide sleeves respectively.
Specifically, the number of the elastic members is 6, the elastic members are all cylindrical coil springs, three limiting grooves 1061 are respectively concavely formed in two sides of the upper end wall of the discharging plate 106, and the lower end portions of the elastic members are respectively detachably embedded in the limiting grooves.
The punching device comprises a pinhole fixing plate, and is characterized by further comprising a limiting column 117, wherein the upper end part of the limiting column is fixedly connected with two ends of the lower end wall of the pinhole fixing plate respectively, two ends of the discharging plate are respectively provided with a limiting hole 1062 in a concave mode, the limiting column can be arranged in the limiting holes in a vertically sliding mode, and the lower end wall of the limiting column can be abutted to the upper end wall of the punching table respectively.
Specifically, the material guiding device further comprises a guiding plate 118, wherein the guiding plate is arranged on one side of the upper end wall of the cavity plate in a left-right sliding mode, and the inner side wall of the guiding plate can be in sliding abutting connection with the material strip.
Specifically, still include fastening screw 119, the both ends of leading just board are concave respectively and are equipped with an open slot 1181 that extends along width direction, fastening screw wears to locate respectively the open slot, and revolve in on the concave template, just fastening screw can follow respectively the horizontal slip sets up in the open slot.
Specifically, the die further comprises positioning pins 120, the positioning pins are respectively arranged on the upper end wall of the lower die base in a protruding manner, the lower backing plate and the cavity plate are respectively provided with positioning holes (not shown) in a recessed manner, the positioning holes correspond to the positioning pins one by one, and the positioning pins are respectively and detachably embedded in the positioning holes.
Specifically, a die shank 1011 is convexly disposed on the upper end wall of the upper die base 101.
Specifically, the punching needles are all formed by SKH-51 alloy steel.
Specifically, as shown in fig. 9, during punching, the material strip 200 is loaded on the punching table of the cavity plate, during first punching, the front end portion of the material strip 200 is abutted against the first positioning spring pin, during second punching, the second positioning spring pin respectively penetrates through the punched hole on the front end portion of the material strip to realize accurate positioning, and the material strip is guided and positioned by the guiding plate to avoid the material strip from being inclined and affecting the punching precision, the discharging plate provides discharging force through the elastic piece to rapidly separate the material strip from the punching pin after punching, the elastic piece enables the discharging plate and the material strip to be in flexible contact, the material strip is buffered and protected, the material strip is effectively prevented from being damaged, the discharging plate not only has a function of pressing the material strip before punching, but also can stably discharge after punching, therefore, the stamping part is relatively flat, the precision of the stamping part is improved, and the second guide pillar has a good guiding function on the discharging plate, can prevent that the stripper atress is unbalanced for the stripper motion is more steady, effectively guarantees the quality and the extension mould life of essence towards the piece, and once can dash out 36 apertures on the material strip, thereby realizes high efficiency ground precision forming part, has improved production efficiency greatly, and the practicality is strong.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A high-precision stamping die with a buffering protection function is characterized by comprising an upper die base, a lower die base, an upper base plate, a punching needle fixing plate, a punching needle, a discharging plate, an elastic piece, a lower base plate, a concave die plate, a first positioning spring pin, a second positioning spring pin, a first guide pillar, a first guide sleeve, a second guide pillar and a second guide sleeve, wherein the upper die base is arranged above the lower die base in a vertically sliding mode, the upper base plate is detachably fixed on the lower end wall of the upper die base through bolts, the punching needle fixing plate is fixed on the lower end wall of the upper base plate through bolts, the punching needles are provided with 36 punching needles, the punching needles are arranged on the lower end wall of the punching needle fixing plate in a matrix mode, the upper end portions of the punching needles are fixedly connected with the lower end wall of the punching needle fixing plate respectively, and the discharging plate is arranged below the punching needle fixing plate in a vertically sliding mode, the upper end and the lower end of the elastic piece are respectively abutted against the punching needle fixing plate and the discharging plate, the lower backing plate is detachably fixed on the upper end wall of the lower die holder through bolts, the cavity plate is detachably arranged on the upper end wall of the lower backing plate through bolts, a punching table extending along the length direction is convexly arranged on the upper end wall of the cavity plate, the discharging plate, the punching table, the lower backing plate and the lower die holder are respectively concavely provided with through holes corresponding to the punching needles one by one, the punching needles can slide up and down in the through holes, the first positioning spring pins can be telescopically arranged at the front end part of the punching table up and down, the second positioning spring pins can be respectively telescopically arranged at the front end part of the first positioning spring pins up and down, and the upper end parts of the first positioning spring pins and the second positioning spring pins extend out of the upper end wall of the punching table, the outer diameter of the second positioning spring pin is smaller than that of the punching needle, the first guide columns are vertically and convexly arranged on one side of the upper end wall of the lower die holder respectively, the first guide sleeves are embedded on one side of the upper die holder respectively, the first guide columns can slide up and down along the first guide sleeves, the lower end portions of the second guide columns are fixedly connected with four vertex angles of the upper end wall of the stripper plate respectively, the second guide sleeves are embedded in the punching needle fixing plate, the upper base plate and the upper die holder, and the second guide columns can slide up and down in the second guide sleeves respectively.
2. The high-precision stamping die with the buffering protection function as claimed in claim 1, wherein there are 6 elastic members, each of the elastic members is a cylindrical coil spring, three limiting grooves are recessed on two sides of the upper end wall of the stripper plate, and the lower end portions of the elastic members are detachably fitted in the limiting grooves.
3. The high-precision stamping die with the buffering and protecting functions as claimed in claim 1, further comprising a limiting post, wherein the upper end of the limiting post is fixedly connected with two ends of the lower end wall of the pinhole fixing plate, respectively, two ends of the discharging plate are recessed with a limiting hole, respectively, the limiting post is slidably disposed up and down along the limiting hole, respectively, and the lower end wall of the limiting post is abutted against the upper end wall of the punching table, respectively.
4. The high-precision stamping die with the buffering protection function as claimed in claim 1, further comprising a guiding plate, wherein the guiding plate is slidably disposed on one side of the upper end wall of the cavity plate from left to right, and the inner side wall of the guiding plate is slidably abutted to the material strip.
5. The high-precision stamping die with the buffering protection function as claimed in claim 4, further comprising fastening screws, wherein two ends of the guiding plate are respectively recessed with an open slot extending along the width direction, the fastening screws are respectively inserted into the open slots and screwed on the cavity plate, and the fastening screws are respectively slidably arranged along the open slots.
6. The high-precision stamping die with the buffering protection function as claimed in claim 1, further comprising positioning pins, wherein the positioning pins are respectively protruded on the upper end wall of the lower die base, the lower backing plate and the cavity plate are respectively provided with positioning holes corresponding to the positioning pins in a one-to-one manner in a concave manner, and the positioning pins are respectively embedded in the positioning holes in a detachable manner.
7. The high-precision stamping die with the buffer protection function as claimed in claim 1, wherein a die shank is protruded from an upper end wall of the upper die base.
8. The high-precision stamping die with the buffer protection function as claimed in claim 1, wherein the punching pins are all formed of SKH-51 alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021985.6U CN216606882U (en) | 2022-01-06 | 2022-01-06 | High-precision stamping die with buffering protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021985.6U CN216606882U (en) | 2022-01-06 | 2022-01-06 | High-precision stamping die with buffering protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216606882U true CN216606882U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220021985.6U Active CN216606882U (en) | 2022-01-06 | 2022-01-06 | High-precision stamping die with buffering protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216606882U (en) |
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2022
- 2022-01-06 CN CN202220021985.6U patent/CN216606882U/en active Active
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