CN212792641U - U-shaped piece punching die structure - Google Patents
U-shaped piece punching die structure Download PDFInfo
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- CN212792641U CN212792641U CN202021050815.8U CN202021050815U CN212792641U CN 212792641 U CN212792641 U CN 212792641U CN 202021050815 U CN202021050815 U CN 202021050815U CN 212792641 U CN212792641 U CN 212792641U
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- 238000004080 punching Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a U-shaped piece cut-out press structure, including upper die base and die holder, install two lower bolster and the lower bolster that set up side by side on the die holder, install stripper two on the lower bolster, stripper two extends to lower bolster one side, fixed mounting has the stripper backing plate on the stripper two of lower bolster correspondence side, the upper die base that has the liftable has been erect directly over the die holder, the upper padding plate is installed to the bottom face of upper die base, an upper fixed plate is installed to the bottom portion of upper padding plate, one side of an upper fixed plate bottom face is installed and is used for the stripper one of pressing the material, install the drift that is used for punching a hole on the bottom face of upper padding plate, install respectively on lower bolster and the stripper two with drift direction complex die sleeve one and die sleeve two, install the direction subassembly between upper die base and the die holder. The utility model discloses can realize the punching press that punches a hole after U-shaped spare kick-backs big on the average and both sides hole axiality requires high, the action of punching a hole is accomplished simultaneously on two sides, easy operation has reduced the manufacturing cost of product.
Description
The technical field is as follows:
the utility model relates to a cut-out press field mainly relates to a U-shaped spare cut-out press structure.
Background art:
the requirement on the dimensional accuracy of automobile parts is higher and higher, the assembly requirement is tighter and tighter, at present, the part punching manufacturing process mainly comprises a conventional front side punching post-forming process, the process is limited to the forming post-hole site accuracy and cannot be ensured, the part can only be applied to some hole sites without requiring similar lightening hole type parts, the forming post-side punching is carried out, the process can ensure the hole site requirements of most parts, but the side punching needs to drive a punch to move by virtue of side beveling, the punching accuracy is completely ensured by virtue of the precision of the inclined wedge, and the part with the high requirement on the coaxiality of the rebound inclined large hole is not. The utility model relates to a U-shaped part production technology that punches a hole discloses a cut-out press structure, can realize the punching press that punches a hole after the U-shaped spare kick-backs greatly and the both sides hole axiality requires height. The die structure is completed by adopting a common punch, the operation is simple, the manufacturing cost of the product is reduced, and the mass production can be realized, so that the support for reducing the weight of the product design in the automobile industry is provided.
The utility model has the following contents:
the utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a U-shaped spare cut-out press structure, can realize the punching press that punches a hole after the U-shaped spare kick-backs greatly and the both sides hole axiality requires high, and easy operation has reduced the manufacturing cost of product.
The utility model discloses a realize through following technical scheme:
a U-shaped piece punching die structure comprises an upper die base and a lower die base, wherein a lower backing plate and a lower die plate which are arranged in parallel are mounted on the lower die base, a second stripper plate is mounted on the lower backing plate and extends to one side of the lower die plate, a gap which is convenient for clamping a U-shaped piece to be punched is formed between the bottom end face of the second stripper plate and the upper end face of the lower die plate, a second stripper plate is fixedly mounted on the second stripper plate on the corresponding side of the lower backing plate, a liftable upper die base is erected right above the lower die base, an upper backing plate is mounted on the bottom end face of the upper die base, an upper fixing plate is mounted at the bottom end part of the upper backing plate, a first stripper plate used for pressing materials is mounted on one side of the bottom end face of the upper fixing plate, a punch used for punching is mounted on the bottom end face of the upper backing plate, and a second female die sleeve which is in guide fit with the punch are mounted on, and a material leaking hole matched with the punch is arranged on the lower die base, and a guide assembly is arranged between the upper die base and the lower die base.
The lower cushion plate and the lower die base are fixedly arranged on the lower die base through pin shafts respectively, and the height difference between the upper end face of the lower cushion plate and the upper end face of the lower die plate is the wall thickness of the U-shaped part to be punched.
And a first spring is arranged on the lower die seat at the corresponding position of the lower backing plate, and a spring mounting hole matched with the first spring is formed in the lower backing plate.
And a second spring is arranged between the upper die base and the upper fixing plate, and a spring mounting hole matched with the second spring is formed in the lower backing plate.
And a limiting clamping block is fixedly mounted on the outer side of the first discharging plate, the inner side surface of the limiting clamping block is an arc-shaped surface, and the radian of the inner side surface of the limiting clamping block is matched with that of the outer side surface of the U-shaped part to be punched.
The lower die plate and the second stripper plate are respectively provided with a die sleeve mounting hole for mounting a die sleeve, the die sleeve mounting hole on the lower die plate is internally provided with a second die sleeve, and the die sleeve mounting hole on the second stripper plate is internally provided with a first die sleeve.
The lower die plate is a plurality of lower die plates, and the lower die plates are fixedly arranged on the upper end surface of the lower die base at intervals and used for supporting the bottom end surface of the U-shaped piece to be punched.
The guide assembly comprises an outer guide assembly and an inner guide assembly.
The outer guide assembly comprises a guide pillar and a guide sleeve which are matched with each other, the guide pillar is fixedly arranged on the upper end face of the lower die base, and the guide sleeve is fixedly arranged on the bottom end face of the upper die base.
The inner guide assembly comprises an inner guide pillar and an inner guide sleeve, the inner guide pillar is fixedly mounted on the bottom end face of the upper backing plate, a mounting hole for matching the inner guide pillar is formed in the upper fixing plate, a guide hole matched with the inner guide pillar is formed in the stripper plate, a first inner guide sleeve and a second inner guide sleeve matched with the inner guide pillar are mounted on the stripper plate II and the lower backing plate respectively, and guide sleeve mounting holes for mounting the first inner guide sleeve and the second inner guide sleeve are formed in the lower backing plate and the stripper plate respectively.
The principle is as follows: through the structural design of the tool, the U-shaped piece can be quickly clamped and prepared to be punched, when the U-shaped piece is clamped, the upper die seat is located above the U-shaped piece, the U-shaped piece is directly clamped from one side of the second stripper plate, the upper die seat moves downwards after the U-shaped piece is clamped, the punch is guided to punch under the action of the guide assembly, the second spring installed between the die seat and the upper fixing plate compresses and punches, after punching, the first spring is installed on the lower die seat at the corresponding position of the lower base plate, resetting after punching is carried out, and taking of the piece is facilitated.
When the punching machine is used, the upper die assembly adopts an up-and-down moving mechanism, the lower die is fixed on the lower table surface of the pressing machine, and the punching machine is blocked to complete punching when the closing height of a designed value is reached through the driving of built-in springs of an upper slide block and a stripper plate of the pressing machine. The punching die is characterized in that a double-stripper-plate pressing material is arranged on the upper die base, a U-shaped part is clamped on the second stripper plate, the upper die base is driven by the upper slide block of the pressing machine to move downwards, the stripper plate backing plate, the second stripper plate and the lower backing plate are sequentially guided into the inner guide pillar, a first stripper plate stressed by a built-in spring starts to press a stamping part when the stripper plate contacts the lower die, the punch continues to move downwards through the guide hole in the first stripper plate to punch the first female die embedding sleeve of the second stripper plate to complete punching, and the punch continues to move towards the second female die embedding sleeve of the punch into the lower die plate to complete reverse side punching after the punching under the driving.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, directly clamp the U-shaped piece on stripper two, through ordinary press work, can realize that the U-shaped piece kick-backs the punching press that punches a hole after big and both sides hole axiality requires height, the action of two-sided punching a hole is accomplished simultaneously, easy operation has reduced the manufacturing cost of product.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the transverse cross section structure of the present invention.
Fig. 3 is a schematic view of the longitudinal cross section structure of the present invention.
Fig. 4 is a schematic structural view of a limiting fixture block.
FIG. 5 is a schematic structural diagram of the clamped workpiece after the first stripper plate and the limiting clamping block are removed.
The specific implementation mode is as follows:
see the drawings.
A U-shaped piece punching die structure comprises an upper die base 1 and a lower die base 2, wherein two lower cushion plates 3 and two lower die plates 4 which are arranged in parallel are mounted on the lower die base 2, the lower cushion plates 3 and the lower die plates 4 are respectively fixedly mounted on the lower die base 2 through screws and positioning pins, the difference between the height of the upper end face of the lower cushion plate 3 and the height of the upper end face of the lower die plate 4 is the wall thickness of a U-shaped piece to be punched, a second stripper plate 5 is mounted on the lower cushion plate 3, the second stripper plate 5 extends to one side of the lower die plate 4, a gap which is convenient for clamping the U-shaped piece to be punched is formed between the bottom end face of the second stripper plate 5 and the upper end face of the lower die plate 4, and a second stripper plate 6 is fixedly mounted on the second stripper plate 5;
a liftable upper die base 1 is erected right above the lower die base 2, an upper padding plate 7 is installed on the bottom end face of the upper die base 1, an upper fixing plate 8 is installed at the bottom end part of the upper padding plate 7, a first stripper plate 10 used for pressing materials is installed on one side of the bottom end face of the upper fixing plate 8, a punch 11 used for punching is installed on the bottom end face of the upper padding plate 7, a first concave die sleeve 12 and a second concave die sleeve 13 which are in guiding fit with the punch 11 are respectively installed on the lower die plate 4 and the second stripper plate 5, a material leaking hole 14 matched with the punch in position is installed on the lower die base 2, and a guiding assembly is installed between the upper die base 1 and the lower die base; the guide assembly comprises an outer guide assembly and an inner guide assembly.
Further, a first spring 15 is mounted on the lower die holder 2 at a position corresponding to the lower backing plate 3, and a spring mounting hole matched with the first spring 15 is formed in the lower backing plate 3; a second spring 16 is arranged between the upper die holder 1 and the upper fixing plate 8, and a spring mounting hole matched with the second spring 16 is formed in the lower backing plate 7. The punched hole is convenient to punch through the structure of the first spring.
Further, the outer side of the first stripper plate 10 is fixedly provided with a limiting clamping block 17, the inner side surface of the limiting clamping block 17 is an arc-shaped surface, and the radian of the inner side surface of the limiting clamping block 17 is matched with that of the outer side surface of the U-shaped part to be punched.
Further, die sleeve mounting holes for mounting the die sleeves are respectively formed in the lower template 4 and the second stripper plate 5, a second die sleeve 13 is mounted in the die sleeve mounting hole in the lower template 4, and a first die sleeve 12 is mounted in the die sleeve mounting hole in the second stripper plate 5.
Furthermore, a plurality of lower templates 4 are fixedly installed on the upper end surface of the lower die base 2 at intervals and used for supporting the bottom end surface of the U-shaped piece to be punched.
Further, the external guide assembly comprises a guide post 18 and a guide sleeve 19 which are matched with each other, the guide post 18 is fixedly arranged on the bottom end surface of the upper die holder 1, and the guide sleeve 19 is fixedly arranged on the bottom end surface of the upper die holder 1. The inner guide assembly comprises an inner guide post 20 and an inner guide sleeve 21, the inner guide post 20 is fixedly mounted on the bottom end face of the upper backing plate 7, a first guide hole for matching the inner guide post 20 is formed in the upper fixing plate 8, a second guide hole 22 matched with the inner guide post is formed in the stripper backing plate 6, a first inner guide sleeve 23 and a second inner guide sleeve 24 matched with the inner guide post are mounted on the stripper plate 5 and the lower backing plate 3 respectively, and guide sleeve mounting holes for mounting the first inner guide sleeve 23 and the second inner guide sleeve 24 are formed in the lower backing plate 3 and the stripper plate 5 respectively.
The specific working process of the structure is as follows:
the U-shaped part is clamped on a second stripper plate, then the upper die base is driven to move downwards through a sliding block on a press, a guide post of an outer guide assembly is in guide fit with a guide sleeve, an inner guide post of an inner guide assembly is in guide fit with an inner guide sleeve and moves downwards in a guide mode, the first stripper plate is pressed at the upper end of a workpiece of the second stripper plate, the second stripper plate is pressed under the drive of a second spring, a punch is fixed in an upper fixing plate and faces the downward movement of the press sliding block, the punch is forced to punch into the first female die sleeve to complete the punching action of the upper surface of a stamping part, the sliding block continues to move downwards at the moment until the punch is punched into the second female die sleeve to complete the punching action of the lower surface of the stamping part, and the punched fragments leak from a material leaking hole of a lower.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a U-shaped spare cut-out press structure, includes upper die base (1) and die holder (2), its characterized in that: the punching die is characterized in that a lower backing plate (3) and a lower template (4) which are arranged in parallel are installed on the lower die base (2), a second stripper plate (5) is installed on the lower backing plate (3), the second stripper plate (5) extends to one side of the lower template (4), a gap which is convenient for clamping a U-shaped piece to be punched is formed between the bottom end face of the second stripper plate (5) and the upper end face of the lower template (4), a second stripper plate (6) is fixedly installed on the second stripper plate (5) on the corresponding side of the lower backing plate (3), an upper die base (1) which can move along with a sliding block of a pressing machine is erected right above the lower die base (2), an upper backing plate (7) is installed on the bottom end face of the upper die base (1), an upper fixing plate (8) is installed at the bottom end portion of the upper backing plate (7), and a first stripper plate (10) which is used for pressing materials is installed on, install drift (11) that are used for punching a hole on the bottom face of upper padding plate (7), install respectively on lower bolster (4) and stripper two (5) with drift (11) direction complex die case one (12) and die case two (13), install on die holder (2) with drift position complex hourglass material hole (14), install the direction subassembly between upper die base (1) and die holder (2).
2. The U-shaped piece punch die structure of claim 1, wherein: the lower backing plate (3) and the lower template (4) are fixedly arranged on the lower die base (2) through screws and positioning pins respectively, and the height difference between the upper end face of the lower backing plate (3) and the upper end face of the lower template (4) is the wall thickness of the U-shaped piece to be punched.
3. The U-shaped piece punch die structure of claim 1, wherein: the lower die holder (2) at the corresponding position of the lower backing plate (3) is provided with a first spring (15), and the lower backing plate (3) is provided with a spring mounting hole matched with the first spring (15).
4. The U-shaped piece punch die structure of claim 1, wherein: and a second spring (16) is arranged between the upper die holder (1) and the upper fixing plate (8), and a spring mounting hole matched with the second spring (16) is formed in the upper backing plate (7).
5. The U-shaped piece punch die structure of claim 1, wherein: the outer side of the first stripper plate (10) is fixedly provided with a limiting clamping block (17), the inner side surface of the limiting clamping block (17) is an arc-shaped surface, and the radian of the inner side surface of the limiting clamping block is matched with that of the outer side surface of the U-shaped part to be punched.
6. The U-shaped piece punch die structure of claim 1, wherein: the lower die plate (4) and the second stripper plate (5) are respectively provided with a die sleeve mounting hole for mounting a female die sleeve, the second stripper plate (4) is internally provided with a female die sleeve (13), and the second stripper plate (5) is internally provided with a female die sleeve (12).
7. A U-shaped piece punch die structure according to claim 6, wherein: the lower die plates (4) are arranged in a plurality and fixedly installed on the upper end face of the lower die base (2) at intervals and used for supporting the bottom end face of the U-shaped piece to be punched.
8. The U-shaped piece punch die structure of claim 1, wherein: the guide assembly comprises an outer guide assembly and an inner guide assembly.
9. The U-shaped piece punch die structure of claim 8, wherein: the outer guide assembly comprises a guide pillar (18) and a guide sleeve (19) which are matched with each other, the guide pillar (18) is fixedly installed on the upper end face of the lower die holder (2), and the guide sleeve (19) is fixedly installed on the bottom end face of the upper die holder (1).
10. The U-shaped piece punch die structure of claim 8, wherein: the inner guide assembly comprises an inner guide post (20) and an inner guide sleeve (21), the inner guide post (20) is fixedly mounted on the bottom end face of an upper base plate (7), a first guide hole for matching the inner guide post (20) is formed in an upper fixing plate (8), a second guide hole (22) matched with the inner guide post is formed in a stripper base plate (6), a first inner guide sleeve (23) matched with the inner guide post and a second inner guide sleeve (24) are mounted on a stripper plate (5) and a lower base plate (3) respectively, and guide sleeve mounting holes for mounting the first inner guide sleeve and the second inner guide sleeve are formed in the lower base plate (3) and the stripper plate (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050815.8U CN212792641U (en) | 2020-06-10 | 2020-06-10 | U-shaped piece punching die structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050815.8U CN212792641U (en) | 2020-06-10 | 2020-06-10 | U-shaped piece punching die structure |
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| CN212792641U true CN212792641U (en) | 2021-03-26 |
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| CN202021050815.8U Active CN212792641U (en) | 2020-06-10 | 2020-06-10 | U-shaped piece punching die structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672970A (en) * | 2020-06-10 | 2020-09-18 | 芜湖众力底盘系统有限公司 | A U-shaped piece punching die structure |
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2020
- 2020-06-10 CN CN202021050815.8U patent/CN212792641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672970A (en) * | 2020-06-10 | 2020-09-18 | 芜湖众力底盘系统有限公司 | A U-shaped piece punching die structure |
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