CN213495931U - Novel punching die - Google Patents
Novel punching die Download PDFInfo
- Publication number
- CN213495931U CN213495931U CN202021042161.4U CN202021042161U CN213495931U CN 213495931 U CN213495931 U CN 213495931U CN 202021042161 U CN202021042161 U CN 202021042161U CN 213495931 U CN213495931 U CN 213495931U
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- Prior art keywords
- punching
- mandrel
- punching press
- material returning
- novel
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- 238000004080 punching Methods 0.000 title claims abstract description 107
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000008093 supporting effect Effects 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a novel punching die, a clamping module is positioned on a base and positioned on one side of an installation block, one end of a mandrel is fixed on the installation block, the other end of the mandrel extends towards the clamping module, a punching material returning port is arranged on the side wall of the top of the mandrel, a clamping groove matched with the mandrel is arranged in the middle of the clamping module, and a punching opening corresponding to the punching material returning port is arranged on the side wall of the top of the clamping groove; on the liftable installation base of punching press subassembly, be equipped with the punching press head on the punching press subassembly, the punching press head be located centre gripping module top and with the punching press opening corresponds the setting. Through above-mentioned optimal design's novel cut-out press, the dabber through the level setting is treated the position of punching a hole to the pipe fitting and is supported, then treats the step position that punches a hole through centre gripping module centre gripping, and the drift of punching press subassembly passes the punching press opening and punches a press, and centre gripping module and dabber are effectively protected around to the punching press position to guarantee the punching press precision, prevent that the pipe fitting warp.
Description
Technical Field
The utility model relates to a pipe fitting field of punching a hole especially relates to a novel cut-out press.
Background
Pipe fittings for automobiles usually have a profiled structure, and the side walls of the profiled pipe usually need to be provided with holes due to use requirements. For the special pipe processed by the advanced necking procedure of the end part, the outer diameter is reduced, then punching is carried out, the punching is not directly processed on an arc surface, but is carried out at the transition part of the change of the outer diameter, the tolerance precision requirement is higher, and the traditional punching die can not meet the requirement.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a novel cut-out press.
The utility model provides a pair of novel cut-out press, include: the device comprises a base, a mandrel, a clamping module and a stamping assembly;
the base is provided with an installation block, the clamping module is positioned on the base and positioned on one side of the installation block, one end of the mandrel is fixed on the installation block, the other end of the mandrel extends towards the clamping module, the side wall of the top of the mandrel is provided with a stamping material returning opening, the middle part of the clamping module is provided with a clamping groove matched with the mandrel, and the side wall of the top of the clamping groove is provided with a stamping opening corresponding to the stamping material returning opening;
on the liftable installation base of punching press subassembly, be equipped with the punching press head on the punching press subassembly, the punching press head be located centre gripping module top and with the punching press opening corresponds the setting.
Preferably, the dabber includes to keeping away from location portion, linkage segment, the supporting part that the direction of installation piece connected gradually, the supporting part outer wall is equipped with the support step, punching press material withdrawal mouth is located support on the step.
Preferably, the side wall of the positioning part is provided with a positioning convex pin.
Preferably, the side wall of the connecting section is further provided with an elastic positioning lug, and the elastic positioning lug is positioned on a straight line of the positioning convex pin along the axial direction of the mandrel.
Preferably, the bottom of the punching head is provided with a punching step matched with the supporting step.
Preferably, the bottom of the punching head is further provided with a cutting surface, the cutting surface is positioned on one side, away from the mounting block, of the punching step, the cutting surface is obliquely arranged, and the height of the cutting surface gradually rises towards the direction close to the connecting section.
Preferably, the punch head has an arc-shaped structure depressed from both sides to a middle portion in a circumferential direction of the mandrel.
Preferably, the outer diameter of the connecting section is smaller than the outer diameter of the positioning portion, and the outer diameter of the connecting section is smaller than the maximum outer diameter of the supporting portion.
Preferably, the stamping material returning opening radially penetrates through the mandrel, the stamping material returning opening comprises a material returning opening part and a material dropping opening part which are communicated up and down, and the inner diameter of the material dropping opening part is larger than that of the material returning opening part.
Preferably, the clamping module comprises an upper die and a lower die.
In the novel punching die, the clamping module is positioned on the base and on one side of the mounting block, one end of the mandrel is fixed on the mounting block, the other end of the mandrel extends towards the clamping module, the side wall of the top of the mandrel is provided with a punching material returning opening, the middle part of the clamping module is provided with a clamping groove matched with the mandrel, and the side wall of the top of the clamping groove is provided with a punching opening corresponding to the punching material returning opening; on the liftable installation base of punching press subassembly, be equipped with the punching press head on the punching press subassembly, the punching press head be located centre gripping module top and with the punching press opening corresponds the setting. Through above-mentioned optimal design's novel cut-out press, the dabber through the level setting is treated the position of punching a hole to the pipe fitting and is supported, then treats the step position that punches a hole through centre gripping module centre gripping, and the drift of punching press subassembly passes the punching press opening and punches a press, and centre gripping module and dabber are effectively protected around to the punching press position to guarantee the punching press precision, prevent that the pipe fitting warp.
Drawings
Fig. 1 is the utility model provides a novel cut-out press's sectional structure schematic diagram.
Fig. 2 is the utility model provides a novel cut-out press's spatial structure sketch map.
Fig. 3 is the utility model provides a novel punching die's dabber and the prepositioned schematic structure of pipe fitting installation.
Fig. 4 is the utility model provides a novel punching die's dabber and the structural schematic diagram that the pipe fitting installation targets in place.
Fig. 5 is the utility model provides a novel cut-out press's punching press head and pipe fitting complex local structure schematic diagram.
Fig. 6 is the utility model provides a structural schematic diagram of the punching head of a novel punching die.
Detailed Description
As shown in fig. 1 to 6, fig. 1 is the utility model provides a novel cut-out press's structural schematic diagram, fig. 2 is the utility model provides a novel cut-out press's spatial structure schematic diagram, fig. 3 is the utility model provides a novel cut-out press's dabber and pipe fitting installation prepositioning's structural schematic diagram, fig. 4 is the utility model provides a novel cut-out press's dabber and pipe fitting installation structural schematic diagram that targets in place, fig. 5 is the utility model provides a novel cut-out press's punching press head and pipe fitting complex local structural schematic diagram, fig. 6 is the utility model provides a novel cut-out press's punching press head's structural schematic diagram.
Referring to fig. 1 and 2, the utility model provides a novel punching die, include: the device comprises a base 1, a mandrel 2, a clamping module and a stamping assembly;
the base 1 is provided with an installation block 4, the clamping module is positioned on the base 1 and positioned on one side of the installation block 4, one end of the mandrel 2 is fixed on the installation block 4, the other end of the mandrel 2 extends towards the clamping module, the side wall of the top of the mandrel 2 is provided with a stamping material returning port 22, the middle part of the clamping module is provided with a clamping groove matched with the mandrel 2, and the side wall of the top of the clamping groove is provided with a stamping opening corresponding to the stamping material returning port 22;
on the liftable installation base 1 of punching press subassembly, be equipped with punching press head 5 on the punching press subassembly, punching press head 5 is located centre gripping module top and with the punching press opening corresponds the setting.
In the novel cut-out press's of this embodiment concrete working process, add man-hour, at first will treat to process pipe fitting 10 cover in the dabber outside, then treat through centre gripping module centre gripping and process pipe fitting 10 outer wall, make and treat to process to wait on the pipe fitting that the punching press position of punching and dabber returns the material mouth 22 and the punching press opening of centre gripping module to correspond, the punching press subassembly pushes down, make the punching press head pass the punching press opening and treat to process the pipe fitting and punch a hole, the waste material of punching out falls in the punching press material returned mouth of dabber, the dabber supports the pipe wall from inside at this in-process, the centre gripping module is protected the punching press peripheral position from the outside, thereby guarantee.
In the embodiment, according to the novel punching die, the clamping module is positioned on the base and on one side of the mounting block, one end of the mandrel is fixed on the mounting block, the other end of the mandrel extends towards the clamping module, the side wall of the top of the mandrel is provided with the stamping material returning opening, the middle part of the clamping module is provided with the clamping groove matched with the mandrel, and the side wall of the top of the clamping groove is provided with the stamping opening corresponding to the stamping material returning opening; on the liftable installation base of punching press subassembly, be equipped with the punching press head on the punching press subassembly, the punching press head be located centre gripping module top and with the punching press opening corresponds the setting. Through above-mentioned optimal design's novel cut-out press, the dabber through the level setting is treated the position of punching a hole to the pipe fitting and is supported, then treats the step position that punches a hole through centre gripping module centre gripping, and the drift of punching press subassembly passes the punching press opening and punches a press, and centre gripping module and dabber are effectively protected around to the punching press position to guarantee the punching press precision, prevent that the pipe fitting warp.
In the concrete design of punching press material returned mouth, punching press material returned mouth radially runs through 2 settings of dabber, punching press material returned mouth is including the material returned oral area and the blanking oral area of upper and lower intercommunication, blanking oral area internal diameter is greater than material returned oral area, material returned oral area and the first size fit of punching press guarantee the punching press precision, and the waste material after the punching press is convenient for through great blanking oral area blanking.
In a specific design of the clamping module, the clamping module comprises an upper die 31 and a lower die 32.
Referring to fig. 3 and 4, in a specific embodiment of the mandrel, the mandrel 2 includes a positioning portion, a connecting portion, and a supporting portion, which are sequentially connected in a direction away from the mounting block 4, the outer wall of the supporting portion is provided with a supporting step, and the stamping material withdrawal port is located on the supporting step; the mandrel is attached to the inner wall of the reducing position of the pipe fitting through the supporting step, and supporting reliability is improved.
When pipe fitting one end was equipped with the notch, need punch according to predetermineeing the notch position as required, consequently in further embodiment, location portion lateral wall is equipped with location cotter 6, when treating processing pipe fitting cover when the dabber outside, through location cotter with predetermine the notch cooperation, fix a position pipe fitting circumference when punching a hole, guarantee the machining precision simultaneously.
In this kind of location in-process, usually in order to guarantee the supporting effect of dabber to the pipe fitting, dabber outer wall and pipe fitting inner wall clearance fit, consequently, when pipe fitting and dabber suit target in place the laminating between the two better, the counterpoint frictional force of circumferential rotation adjustment notch and location cotter this moment is great. In a more specific design mode, the side wall of the connecting section 21 is further provided with an elastic positioning lug 7, and the elastic positioning lug 7 is positioned on a straight line of the positioning convex pin 6 along the axial direction of the mandrel 2; along with the pipe fitting embolias the dabber outside, at first adjustment pipe fitting circumference position, through elastic locating lug and notch cooperation prepositioning, then push down elastic locating lug and make its shrink, the pipe fitting continues to embolia along circumference, finally passes through location lug pin and notch location.
In other specific embodiments of the mandrel, the outer diameter of the connecting section 21 is smaller than the outer diameter of the positioning portion, and the outer diameter of the connecting section 21 is smaller than the maximum outer diameter of the supporting portion, so that when the pipe is sleeved, the gap between the connecting section and the pipe is increased, and the sleeving resistance is reduced.
Referring to fig. 5 and 6, in the specific design mode of the stamping head, the bottom of the stamping head 5 is provided with a stamping step 51 matched with the supporting step, so that the stamping surface is ensured to correspond to the pipe fitting reducing position in the stamping process, the stamping continuity is ensured, the stress is small when the pipe fitting is cut, the deformation is small, the stamping precision is high, and the service life of the stamping head is prolonged.
In a further specific design mode, the bottom of the stamping head 5 is further provided with a cutting surface 52, the cutting surface 52 is positioned on one side of the stamping step 51 far away from the mounting block 4, the cutting surface 52 is obliquely arranged, and the height of the cutting surface is gradually increased towards the direction close to the connecting section 21; further improving the continuity and accuracy of the die cutting.
In another embodiment of the punch, the punch 5 has an arc-shaped structure depressed from both sides to the middle in the circumferential direction of the mandrel 2; the cutting edges with smaller areas on the two sides are ensured to contact the pipe fitting instead of the middle plane, so that the pressure intensity of stamping is increased, the stress area of the pipe fitting is reduced, and the stamping precision is increased.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A novel punching die is characterized by comprising: the device comprises a base (1), a mandrel (2), a clamping module and a stamping assembly;
the clamping device is characterized in that an installation block (4) is arranged on the base (1), the clamping module is positioned on the base (1) and positioned on one side of the installation block (4), one end of the mandrel (2) is fixed on the installation block (4) and the other end of the mandrel extends towards the clamping module, a stamping material returning opening (22) is formed in the side wall of the top of the mandrel (2), a clamping groove matched with the mandrel (2) is formed in the middle of the clamping module, and a stamping opening corresponding to the stamping material returning opening (22) is formed in the side wall of the top of the clamping groove;
on punching press subassembly liftable installation base (1), be equipped with punching press head (5) on the punching press subassembly, punching press head (5) be located centre gripping module top and with the punching press opening corresponds the setting.
2. The novel punching die as claimed in claim 1, characterized in that the mandrel (2) comprises a positioning part, a connecting section (21) and a supporting part which are connected in sequence in the direction away from the mounting block (4), the outer wall of the supporting part is provided with a supporting step, and the punching material returning opening (22) is positioned on the supporting step.
3. The new punching die according to claim 2, characterised in that the positioning portion side wall is provided with a positioning boss pin (6).
4. The novel punching die as claimed in claim 3, characterized in that the side wall of the connecting section (21) is further provided with an elastic positioning lug (7), and the elastic positioning lug (7) is positioned on a straight line of the positioning convex pin (6) along the axial direction of the mandrel (2).
5. The new punching die of claim 2, characterized in that the bottom of the punching head (5) is provided with a punching step (51) cooperating with said supporting step.
6. The novel punching die as claimed in claim 5, characterized in that the bottom of the punching head (5) is further provided with a cutting surface (52), the cutting surface (52) is positioned on the side of the punching step (51) far away from the mounting block (4), and the cutting surface (52) is obliquely arranged and gradually rises in height towards the connecting section (21).
7. The new punching die according to claim 2, characterized in that the connecting section (21) outer diameter is smaller than the outer diameter of the positioning portion and the connecting section (21) outer diameter is smaller than the largest outer diameter of the support portion.
8. The new punching die according to claim 1, characterized in that the punching head (5) has an arc-shaped structure recessed from both sides to the middle in the circumferential direction of the mandrel (2).
9. The novel punching die as claimed in claim 1, wherein the punching material returning port is radially arranged to penetrate through the mandrel (2), the punching material returning port comprises a material returning port portion and a material dropping port portion which are communicated with each other up and down, and the inner diameter of the material dropping port portion is larger than that of the material returning port portion.
10. The new punching die according to claim 1, characterized in that the clamping module comprises an upper die (31) and a lower die (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042161.4U CN213495931U (en) | 2020-06-08 | 2020-06-08 | Novel punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042161.4U CN213495931U (en) | 2020-06-08 | 2020-06-08 | Novel punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213495931U true CN213495931U (en) | 2021-06-22 |
Family
ID=76380074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021042161.4U Active CN213495931U (en) | 2020-06-08 | 2020-06-08 | Novel punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213495931U (en) |
-
2020
- 2020-06-08 CN CN202021042161.4U patent/CN213495931U/en active Active
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