CN212733718U - Punch press die holder fixing device - Google Patents
Punch press die holder fixing device Download PDFInfo
- Publication number
- CN212733718U CN212733718U CN202020715475.XU CN202020715475U CN212733718U CN 212733718 U CN212733718 U CN 212733718U CN 202020715475 U CN202020715475 U CN 202020715475U CN 212733718 U CN212733718 U CN 212733718U
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- CN
- China
- Prior art keywords
- die holder
- die
- holder
- workbench
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims description 11
- 238000002788 crimping Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a punch press die holder fixing device, which comprises a workbench, a working frame and a die holder assembly, wherein the die holder assembly comprises a die holder which is slidably connected on the workbench, guide posts which are arranged on the workbench at two sides of the die holder, an upper die holder which is sleeved on the guide posts and can be arranged opposite to the die holder, and a buffer spring which is sleeved outside the guide posts; a hydraulic cylinder is further fixed on the inner side of the working frame, the driving end of the hydraulic cylinder is connected to the top side of the upper die base, and the upper die base can be driven to face the lower die base to complete stamping of plates between the female die assembly and the male die assembly; be equipped with a open-top's first die holder on the die holder and hold the chamber, the utility model discloses the security is better, and shock attenuation nature is better, and easily carries out the change of die on the die holder.
Description
Technical Field
The utility model relates to a die holder fixing device, especially a punch press die holder fixing device.
Background
The punch press, popular say so that punching press formula press, and mainly be the punching press to panel, but upper die base and die holder in the current punch press generally are fixed setting, and the in-process of upper die base towards the punching press of die holder, continuous impact force, not only can cause the striking damage of die holder, and the upper die base carries out the punching press towards panel on the die holder under the drive of the pneumatic cylinder rather than linking to each other down when, in order to ensure the accuracy of punching press, still need operating personnel to carry out the adjustment of position to panel on the lower die device before the punching press, and at this in-process, personnel then are under the risk that the pneumatic cylinder pushed down, consequently not only comparatively safe risk is higher.
Therefore, a die holder fixing device for a punching machine, which has better safety and better shock absorption and is easier to replace an upper die and a lower die of a die holder, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a punch press die holder fixing device, the security is better, and the shock attenuation nature is better, and easily carries out the change of die on the die holder.
The utility model provides a following technical scheme:
a punch die holder fixing device comprises a workbench, a workbench fixed on the workbench and a die holder assembly arranged on the inner side of the workbench, wherein the die holder assembly comprises a lower die holder connected to the workbench in a sliding manner, guide posts arranged on the workbench on two sides of the lower die holder, an upper die holder sleeved on the guide posts and capable of being arranged opposite to the lower die holder, and a buffer spring sleeved outside the guide posts and connected between the workbench and the upper die holder; a hydraulic cylinder is further fixed on the inner side of the working frame, the driving end of the hydraulic cylinder is connected to the top side of the upper die base, and the upper die base can be driven to face the lower die base to complete stamping of plates between the female die assembly and the male die assembly; be equipped with a open-top's first die holder on the die holder and hold the chamber, the die subassembly holds the die body of intracavity including setting up at first die holder, set up at die body periphery and hold chamber sliding fit's first sliding part with first die holder, and through bolted connection on the die holder and the first blank pressing of crimping on first sliding part, be equipped with first blotter between the bottom that die body and first sliding part and first die holder held the chamber, still be equipped with first shock pad between first blank pressing and the first sliding part.
Preferably, the bottom side of the lower die holder is provided with a sliding block, the workbench is further provided with a sliding groove which can extend towards the outer side of the working frame, a screw rod which is fixedly connected with a thread and penetrates through the sliding block is erected in the sliding groove, and one end of the screw rod is connected with the motor in a driving mode.
Furthermore, the locking assembly comprises limiting blocks which are arranged on two sides of the lower die base and can prevent the lower die base from sliding in the sliding groove direction, limiting holes which are in sliding fit with the limiting blocks are further formed in the workbench, and limiting springs which abut against the bottoms of the limiting blocks and prevent the limiting blocks from sinking into the limiting holes are further arranged in the limiting holes.
Furthermore, be equipped with a open-top's second die holder appearance chamber on the upper die base, terrace die subassembly holds the intracavity terrace die body including setting up at the second die holder, set up at the terrace die body periphery and with second die holder appearance chamber sliding fit's second sliding part, and through bolted connection on the upper die base and the second blank pressing of crimping on the second sliding part, be equipped with the second blotter between the bottom that terrace die body and second sliding part and second die holder appearance chamber, still be equipped with the second shock pad between second blank pressing and the second sliding part.
Furthermore, the bottom of the first die holder cavity is also provided with two groups of first limiting column groups which can pass through the first sliding part and the first blank holder for guiding.
Furthermore, the bottom of the cavity of the second die holder is also provided with two groups of second limiting column groups which can pass through the second sliding part and the second blank holder for guiding.
The utility model has the advantages that: through with die holder sliding connection on the workstation, make, the die holder can be slided and carry out the change of die body or go up unloading outside the workstation, thereby can reduce personnel's safety risk, and because still be equipped with the first die holder appearance chamber that is used for holding sliding configuration die subassembly on the die holder, and set up first blotter between the bottom in die body and first sliding part and first die holder appearance chamber, consequently, slide the die holder to the upper die base bottom side, after through locking assembly locking position, hydraulic cylinder drive upper die base compression buffer spring, and when die subassembly and terrace die subassembly contact, can be through first blotter and second blotter, realize secondary shock attenuation buffering, consequently, can improve the shock attenuation effect when the punching press greatly, reduce the probability that the die body is damaged by the striking.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a top view of the lower die holder;
FIG. 4 is a schematic view of the opposing upper and lower die sets;
FIG. 5 is a schematic structural view of the locking assembly;
notation in the figure: 1 is the workstation, 2 is the workstation, 3 is the die holder, 4 is the guide post, 5 is the upper die base, 6 is buffer spring, 7 is the pneumatic cylinder, 8 is first die base and holds the chamber, 9 is the die body, 10 is first sliding part, 11 is first blotter, 12 is first shock pad, 13 is first spacing post group, 14 is the slider, 15 is the spout, 16 is the lead screw, 17 is the stopper, 18 is spacing hole, 19 is spacing spring, 20 is the second die base and holds the chamber, 21 is second sliding part, 22 is the second blank pressing, 23 is the second blotter, 24 is the spacing post group of second.
Detailed Description
With reference to fig. 1 to 5, in this embodiment, the die holder fixing device for a punch press includes a workbench 1, a workbench 2 fixed on the workbench 1, and a die holder assembly disposed inside the workbench 2, wherein the die holder assembly includes a lower die holder 3 slidably connected to the workbench 1, guide posts 4 disposed on the workbench 1 on both sides of the lower die holder 3, an upper die holder 5 sleeved on the guide posts 4 and capable of being disposed opposite to the lower die holder 3, and a buffer spring 6 sleeved outside the guide posts 4 and connected between the workbench 1 and the upper die holder 5, a female die assembly is mounted on the lower die holder 3, a male die assembly capable of being disposed opposite to the female die assembly is mounted on the upper die holder 5, and when the female die assembly and the male die assembly are fitted relatively, both sides of the lower die holder 3 are locked by two sets of locking assemblies; a hydraulic cylinder 7 is further fixed on the inner side of the working frame 2, the driving end of the hydraulic cylinder 7 is connected to the top side of the upper die holder 5, and the upper die holder 5 can be driven to face the lower die holder 3 to complete the stamping of the plate between the female die assembly and the male die assembly; be equipped with a open-top's first die holder appearance chamber 8 on die holder 3, the die subassembly is including setting up the die body 9 that holds the intracavity 8 at first die holder, set up at die body 9 periphery and with first die holder appearance chamber 8 sliding fit's first sliding part 10, and through bolted connection on die holder 3 and the first blank holder of crimping on first sliding part 10, be equipped with first blotter 11 between die body 9 and first sliding part 10 and the bottom that first die holder holds chamber 8, still be equipped with first shock pad 12 between first blank holder and the first sliding part 10, the bottom that first die holder holds chamber 8 still is equipped with two sets of first spacing post group 13 that can pass first sliding part 10 and first blank holder and be used for the direction.
The bottom side of lower die holder 3 is equipped with slider 14, still is equipped with one on the workstation 1 and can extends towards the workstation 2 outside spout 15, and still erects in the spout 15 and is fixed with a threaded connection and passes lead screw 16 of slider 14, and motor drive links to each other is passed through to the one end of lead screw 16 for lower die holder 3 can be more smooth stable slide along workstation 1.
The locking assembly comprises limiting blocks 17 which are arranged on two sides of the lower die holder 3 and can prevent the lower die holder 3 from sliding in the direction of the sliding groove 15, limiting holes 18 which are in sliding fit with the limiting blocks 17 are further formed in the workbench 1, limiting springs 19 which abut against the bottoms of the limiting blocks 17 and prevent the limiting blocks from sinking into the limiting holes 18 are further arranged in the limiting holes 18, and therefore when the lower die holder 3 needs to slide out of the working frame 2, only the limiting blocks 17 on one side need to be pressed, the structure is simple, and the production cost is low.
The upper die holder 5 is provided with a second die holder cavity 20 with an open top, the male die assembly comprises a male die body arranged in the second die holder cavity 20, a second sliding part 21 which is arranged at the periphery of the male die body and is in sliding fit with the second die holder cavity 20, and a second blank holder 22 which is connected to the upper die holder 5 through bolts and can be pressed on the second sliding part 21, a second cushion pad 23 is arranged between the male die body and the bottom of the second sliding part 21 and the bottom of the second die holder cavity 20, and a second cushion pad is further arranged between the second blank holder 22 and the second sliding part 21, so that the damping effect of the male die body during stamping can be further improved, and the bottom of the second die holder cavity 20 is further provided with two groups of second limiting column groups 24 which can penetrate through the second sliding part 21 and the second blank holder 22 for guiding.
The utility model discloses a theory of operation is: through with die holder 3 sliding connection on workstation 1, make, die holder 3 can be slided and carry out the change of die body 9 or go up unloading outside the workstation 2, thereby can reduce personnel's safety risk, and because still be equipped with on the die holder 3 and be used for holding the first die holder appearance chamber 8 of sliding configuration die subassembly, and set up first blotter 11 between die body 9 and first sliding part 10 and the bottom that first die holder appearance chamber 8, consequently when sliding die holder 3 to the 5 bottom sides of upper die base, after through locking assembly locking position, pneumatic cylinder 7 drives 5 compression buffer spring 6 of upper die base, and when die subassembly and terrace die subassembly contact, can be through first blotter 11 and second blotter 23, realize secondary shock attenuation buffering, consequently, the shock attenuation effect during the punching press can be improved greatly, reduce the probability that die body 9 is damaged by the striking.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A punch press die holder fixing device is characterized by comprising a workbench, a workbench fixed on the workbench, and die holder assemblies arranged on the inner side of the workbench, wherein each die holder assembly comprises a lower die holder slidably connected to the workbench, guide columns arranged on the workbench on two sides of the lower die holder, an upper die holder sleeved on the guide columns and capable of being arranged opposite to the lower die holder, and a buffer spring sleeved outside the guide columns and connected between the workbench and the upper die holder, a female die assembly is installed on the lower die holder, a male die assembly capable of being arranged opposite to the female die assembly is installed on the upper die holder, and when the female die assembly and the male die assembly are matched oppositely, two sides of the lower die holder are locked through two groups of locking assemblies;
a hydraulic cylinder is further fixed on the inner side of the working frame, the driving end of the hydraulic cylinder is connected to the top side of the upper die base, and the upper die base can be driven to face the lower die base to complete stamping of a plate between the female die assembly and the male die assembly;
be equipped with a open-top's first die holder on the die holder and hold the chamber, the die subassembly is including setting up die body, the setting that the intracavity was held to first die holder are in die body periphery and with first die holder holds the first sliding part of chamber sliding fit and connects through bolt connection but just crimping is in on the die holder first blank holder on the first sliding part, the die body with first sliding part with be equipped with first blotter between the bottom that first die holder holds the chamber, first blank holder with still be equipped with first shock pad between the first sliding part.
2. The die holder fixing device of a punching machine as claimed in claim 1, wherein the bottom side of the lower die holder is provided with a slide block, the workbench is further provided with a slide groove which can extend towards the outer side of the working frame, a screw rod which is in threaded connection with the slide block and penetrates through the slide block is further erected and fixed in the slide groove, and one end of the screw rod is connected through a motor drive.
3. The die holder fixing device of a punching machine according to claim 2, wherein the locking assembly comprises limiting blocks arranged on two sides of the lower die holder and capable of preventing the lower die holder from sliding in the direction of the sliding groove, the workbench is further provided with limiting holes in sliding fit with the limiting blocks, and limiting springs which abut against the bottoms of the limiting blocks and prevent the limiting blocks from sinking into the limiting holes are further arranged in the limiting holes.
4. The die holder fixing device of claim 1, wherein the upper die holder is provided with a second die holder cavity with an open top, the punch assembly comprises a punch body disposed in the second die holder cavity, a second sliding portion disposed at a periphery of the punch body and slidably engaged with the second die holder cavity, and a second press flange connected to the upper die holder by a bolt and capable of being pressed against the second sliding portion, a second cushion pad is disposed between the punch body and the second sliding portion and a bottom of the second die holder cavity, and a second cushion pad is further disposed between the second press flange and the second sliding portion.
5. The die holder fixing device according to claim 1, wherein two sets of first limit posts are disposed at the bottom of the first die holder cavity and can pass through the first sliding portion and the first blank holder for guiding.
6. The die holder fixing device according to claim 4, wherein two sets of second limiting columns are further disposed at the bottom of the second die holder cavity and can pass through the second sliding portion and the second blank holder for guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715475.XU CN212733718U (en) | 2020-04-30 | 2020-04-30 | Punch press die holder fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715475.XU CN212733718U (en) | 2020-04-30 | 2020-04-30 | Punch press die holder fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212733718U true CN212733718U (en) | 2021-03-19 |
Family
ID=75003703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020715475.XU Expired - Fee Related CN212733718U (en) | 2020-04-30 | 2020-04-30 | Punch press die holder fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212733718U (en) |
-
2020
- 2020-04-30 CN CN202020715475.XU patent/CN212733718U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210319 |