CN219074090U - Cold punching tool special for automobile pipeline bracket - Google Patents
Cold punching tool special for automobile pipeline bracket Download PDFInfo
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- CN219074090U CN219074090U CN202223403591.6U CN202223403591U CN219074090U CN 219074090 U CN219074090 U CN 219074090U CN 202223403591 U CN202223403591 U CN 202223403591U CN 219074090 U CN219074090 U CN 219074090U
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- 238000004080 punching Methods 0.000 title claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000005242 forging Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a cold punching tool special for an automobile pipeline bracket, which belongs to the technical field of automobile pipeline bracket processing and comprises an upper die and a lower die; a guide assembly is arranged between the upper die and the lower die, and is characterized in that the upper die comprises an upper die bottom plate, a punch seat, a punch, a hexagonal screw sleeve, a stripper plate, a pressing seat and a pressing block; the punch seat is arranged below the upper die bottom plate; the punch is of a three-section structure and comprises a positioning section, a clamping section and a guiding punching section; the outer side of the lower part of the punch seat is provided with a fine tooth external thread; the hexagonal screw sleeve comprises a connecting part and a clamping part; the hexagonal screw sleeve is fixed below the punch seat through the threaded fit of the connecting part with the punch seat; the locating section and a part of clamping section of the punch are respectively clamped and fixed in the punch holder and the hexagonal screw sleeve. Compared with the prior art, the problems that the cutting edge of the lower die (female die) is worn rapidly and the peripheral burrs of the surface hole of the inner cavity of the workpiece are large, the space is limited and the deburring is inconvenient are solved.
Description
Technical Field
The utility model relates to the technical field of machining of automobile pipeline brackets, in particular to a cold punching tool special for an automobile pipeline bracket.
Background
The bracket is an automobile part welded on the steel pipe, and cold punching is needed before welding. Because the robot is used for clamping the outer wall of the steel pipe through the hole to assist automatic welding, the requirements on the size and the position degree of the hole are high. The hole of the bracket is positioned on the curved surface of the forging piece, the thickness change of the hole wall is larger as seen from the symmetrical cross section of the bracket, the inner cavity size and the shape change are larger along with the gradual abrasion of the circular arc of the convex angle of the die in forging, the irregular change of the hole wall thickness is increased, and the hole size is smaller, so that the punch is easy to break. In addition, the hole size and the position degree thereof are inspected in a laboratory by means of three-coordinate or scribing methods, so that the waiting inspection time is long, the work output is affected, and the inspection cost is high.
In the development of the earlier-stage product, a hot punching method is adopted, but the shape of a forging piece around a hole is easy to distort, the punched burrs are larger, the dimensional change in the hole is larger, and the position degree of the burr is not easy to guarantee. The cold punching method is adopted, the punch is punched from a relatively smooth large surface outside the bracket at present and punched from the inner cavity surface of the bracket, the problem that the cutting edge of the lower die (female die) is worn quickly exists, and after the punch works in the latter half of the punch, the peripheral burrs of the inner cavity surface hole of the workpiece are large, limited by narrow space and inconvenient to remove burrs.
Disclosure of Invention
The utility model aims to provide a cold punching tool special for an automobile pipeline bracket, which solves the problems that the cutting edge of a lower die (female die) is worn rapidly and burrs around a hole in the inner cavity surface of a workpiece are large, the space is limited by small space and the burrs are inconvenient to remove in the cold punching process of the existing automobile pipeline bracket.
The utility model provides a cold punching tool special for an automobile pipeline bracket, which comprises an upper die and a lower die; a guide assembly is arranged between the upper die and the lower die, and is characterized in that the upper die comprises an upper die bottom plate, a punch seat, a punch, a hexagonal screw sleeve, a stripper plate, a pressing seat and a pressing block; the punch seat is arranged below the upper die bottom plate; the punch is of a three-section structure and comprises a positioning section, a clamping section and a guiding punching section; the lower end surface of the punch seat is provided with a first positioning groove matched with the positioning section, and the outer side of the lower part of the punch seat is provided with fine external threads; the hexagonal screw sleeve comprises a connecting part and a clamping part, the connecting part is provided with a screw hole matched with the external thread at the lower part of the punch seat, and the clamping part is provided with a through hole matched with the clamping section of the punch; the hexagonal screw sleeve is fixed below the punch seat through the threaded fit of the connecting part with the punch seat; the positioning section and a part of clamping section of the punch are respectively clamped and fixed in the punch holder and the hexagonal screw sleeve, and the rest part of the clamping section of the punch and the guiding punching section extend out to the lower part of the hexagonal screw sleeve; the stripper plate is arranged below the punch; the stripper plate is fixedly connected with the upper die bottom plate; the stripper plate is provided with a stepped through hole matched with the hexagonal threaded sleeve; the pressing seat is arranged below the stripper plate; the pressing seat is provided with a through hole matched with the clamping part of the hexagonal screw sleeve; the pressing block is positioned below the pressing seat, and is provided with a stepped through hole matched with the clamping section and the guiding punching section of the punch; the lower die comprises a lower die bottom plate, a positioning seat, a female die and a positioning block; the positioning seat is arranged above the lower die bottom plate; the female die is positioned and arranged above the positioning seat; the female die is provided with a through hole matched with the guide punching section of the punch; the upper end surface of the female die is provided with a containing cavity; the positioning block is positioned at the upper end of the female die and is positioned at one side of the accommodating cavity; the guide assembly comprises a guide sleeve, a guide seat and a guide column; the guide sleeve is arranged below the upper die bottom plate, and a through hole is formed in the upper die bottom plate at a position corresponding to the inner hole of the guide sleeve; the guide seat is arranged above the lower die bottom plate, and the position of the guide seat on the lower die bottom plate corresponds to the position of the guide sleeve on the upper die bottom plate; one end of the guide post is positioned in the guide seat and is fixedly connected with the lower die bottom plate; one end of the guide post far away from the lower die bottom plate penetrates through the guide sleeve and is in sliding fit with the guide sleeve.
Further, the punch is processed to be inclined at the cutting edge end of the guide punching section; the punch is provided with a first vacancy groove on the end face of the cutting edge of the guide punching section.
Further, a second positioning groove is formed below the pressing seat, and a positioning hole is formed in the second positioning groove; the upper portion of briquetting is fitted in the second constant head tank, and the briquetting is fixed in the below of pressing the seat through the screw cooperation that sets up in the locating hole.
Further, a third positioning groove is formed above the positioning seat, and a positioning hole is formed in the third positioning groove; the lower part of the female die is matched in the third positioning groove, and the female die is matched and fixed above the positioning seat through a screw arranged in the positioning hole.
Further, a second vacancy groove is formed in the lower portion of one side, close to the accommodating cavity, of the positioning block.
The cold punching tool special for the automobile pipeline bracket provided by the utility model adopts a cold punching processing method that the inner cavity surface of the bracket is punched in, and the large surface of the bracket is punched out from the outer relatively smooth surface of the bracket.
In order to solve the problem of bracket positioning and compaction, the upper die adopts a small contact surface compacting method, is provided with a pressing block, compacts the area surface of 5 mm-10 mm around the processing orifice of the bracket, and reduces the influence of adverse factors such as larger internal angle of the forging piece, larger thickness and size variation and the like; the lower die is provided with a female die and a positioning block, adopts two-side limiting and rear inclined plane positioning sides, and eliminates the influence of trimming drawing deformation.
The punch is designed into a three-section structure comprising a positioning section, a clamping section and a guiding punching section, and a hexagonal screw sleeve, a stripper plate and a pressing seat are designed on an upper die for positioning and fastening the punch so as to guide the punch by a pressing block and reduce the fit clearance with the punch as much as possible; the cutting edge of the punch is designed with a guiding cutting edge to prevent sideslip.
The upper die and the lower die are assembled and matched through threads, so that the assembly and disassembly are convenient, and quick replacement of vulnerable parts such as the punch, the pressing block, the female die and the positioning block is convenient.
Therefore, the utility model effectively solves the problems that the lower die (female die) cutting edge is worn faster and the peripheral burrs of the inner cavity surface hole of the workpiece are larger in the existing bracket cold punching scheme, is limited by narrow space and is inconvenient to remove burrs, and has the characteristics of accurate cold punching, rapid bracket taking and placing, rapid accessory replacement and rapid inspection.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and,
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a punch head part structure of the present utility model;
FIG. 3 is a schematic diagram of the cooperation structure of the pressing seat, the pressing block and the bracket;
FIG. 4 is a front cross-sectional view of the female die of the present utility model;
FIG. 5 is a right side view of the female die of the present utility model;
FIG. 6 is a top view of the female die of the present utility model;
FIG. 7 is a front cross-sectional view of a positioning block of the present utility model;
FIG. 8 is a top view of the positioning block of the present utility model;
FIG. 9 is a schematic diagram of a pallet inspection of the present utility model;
fig. 10 is a top view of the utility model from fig. 9.
In the figure, the correspondence between the component names and the drawing numbers is:
1. an upper die bottom plate; 2. a punch holder; 201. a first positioning groove; 3. a punch; 301. a positioning section; 302. a clamping section; 303. guiding the punching section; 3031. a first void slot; 4. a hexagonal screw sleeve; 401. a connection part; 402. a clamping part; 5. a stripper plate; 6. pressing a base; 601. a second positioning groove; 7. briquetting; 8. a lower die bottom plate; 9. a positioning seat; 901. a third positioning groove; 10. a female die; 1001. a receiving chamber; 1002. a fourth positioning groove; 11. a positioning block; 1101. a second void slot; 12. a guide sleeve; 13. a guide seat; 14. a guide post; 15. a stop rod; 16. a gauge block; 1601. a measuring tank; 1602. a third void slot; 1603. sinking grooves; a and B, two datum planes of the bracket; C. and a bracket.
Detailed Description
As shown in FIG. 1, the cold punching tool special for the automobile pipeline bracket provided by the utility model comprises an upper die, a lower die and a guide assembly arranged between the upper die and the lower die; the upper die comprises an upper die bottom plate 1, a punch seat 2, a punch 3, a hexagonal screw sleeve 4, a stripper plate 5, a pressing seat 6 and a pressing block 7. The punch holder 2 is fixed below the upper die bottom plate 1 through screw fit. The punch 3 is of a three-section structure and comprises a positioning section 301, a clamping section 302 and a guiding punching section 303; the lower end surface of the punch holder 2 is provided with a first positioning groove 201 matched with the positioning section 301, and the outer side of the lower part of the punch holder 2 is provided with fine external threads; the hexagonal screw sleeve 4 comprises a connecting part 401 and a clamping part 402, wherein the connecting part 401 is provided with a screw hole matched with the external thread at the lower part of the punch seat 2, and the clamping part 402 is provided with a through hole matched with the clamping section 302 of the punch 3; the hexagonal screw sleeve 4 is fixed below the punch holder 2 through the threaded fit of the connecting part 401 with the punch holder 2; the positioning section 301 and a part of the clamping section 302 of the punch 3 are respectively clamped and fixed in the punch holder 2 and the hexagonal screw sleeve 4, and the rest of the clamping section 302 and the guiding punching section 303 of the punch 3 extend to the lower part of the hexagonal screw sleeve 4. The punch holder 2 and the hexagonal screw sleeve 4 are used for fastening the punch 3, and the punch holder 2 and the hexagonal screw sleeve 4 are designed to be in threaded fit due to the fact that the punch 3 is a fragile part, so that the punch holder is stable in structure and convenient to replace the punch 3 quickly.
As shown in fig. 2, the punch 3 is processed to be inclined at the cutting edge end of the guiding punching section 303, and a guiding cutting edge is designed at a position corresponding to the thicker part of the cross section of the workpiece hole, so that the punch is prevented from sliding along with the inclined plane during punching; the punch 3 is further provided with a first vacancy groove 3031 on the end face of the cutting edge of the guiding punching section 303, which is used for reducing the internal stress of the punching part and prolonging the service life of the punch 3.
The stripper plate 5 is positioned below the punch 3, and the stripper plate 5 is connected with the upper die bottom plate 1 through a pull bolt; a layer of polyurethane rubber plate is arranged above the stripper plate 5, and the stripper plate is convenient to punch and retract by utilizing the elasticity of the polyurethane rubber plate; the stripper plate 5 is provided with a stepped through hole matched with the hexagonal threaded sleeve 4; the pressing seat 6 is fixed below the stripper plate 5 through bolt fit; the pressing seat 6 is provided with a through hole matched with the clamping part 402 of the hexagonal screw sleeve 4; a second positioning groove 601 is formed below the pressing seat 6, and a positioning hole is formed in the second positioning groove 601; the upper part of the pressing block 7 is matched in the second positioning groove 601, and the pressing block 7 is matched and fixed below the pressing seat 6 through a screw arranged in the positioning hole; the pressing block 7 is provided with a stepped through hole matched with the clamping section 302 and the guiding punching section 303 of the punch 3; because briquetting 7 is vulnerable accessory, all adopts screw-thread fit equipment between stripper 5, pressure seat 6 and the briquetting 7 to pressure seat 6 is provided with location structure in briquetting 7's installation department, is convenient for quick replacement briquetting 7. As shown in fig. 3-5, the end face of one end of the pressing block 7 far away from the pressing seat 6 has an area of 5-10 mm according to the design of the inner cavity of the bracket C near the periphery of the machining hole, and the small contact surface compacting method is adopted, so that the influence of adverse factors such as the increase of the internal angle of the forging piece, the large thickness dimension variation and the like can be reduced.
The lower die comprises a lower die bottom plate 8, a positioning seat 9, a female die 10 and a positioning block 11; the positioning seat 9 is fixed above the lower die bottom plate 8 through screw fit; a third positioning groove 901 is formed above the positioning seat 9, and a positioning hole is formed in the third positioning groove 901; the lower part of the female die 10 is matched in the third positioning groove 901, and the female die 10 is matched and fixed above the positioning seat 9 through a screw arranged in the positioning hole; as shown in fig. 6 to 8, a through hole matched with a guiding punching section 303 of the punch 3 is formed in the female die 10; the upper end surface of the female die 10 is provided with a containing cavity 1001, and the containing cavity 1001 is designed according to the outer side surface of the bracket C and is used for positioning the mounting position of the bracket and limiting the bracket through two sides; a fourth positioning groove 1002 is formed in one side of the accommodating cavity 1001, corresponding to the reference surface A of the bracket C, of the female die 10; the positioning block 11 is fixed in the fourth positioning groove 1002 by screw fit; as shown in fig. 9 and 10, the positioning block 11 is designed by matching the reference surface a of the bracket C on the side close to the accommodating cavity 1001; a second vacancy groove 1101 is formed in the lower part of one side, close to the accommodating cavity 1001, of the positioning block 11, and is used for eliminating interference possibility of forging trimming bars; because the female die 10 and the positioning block 11 are respectively matched with the reference surface B and the reference surface A of the bracket, the positioning seat 9, the female die 10 and the positioning block 11 are assembled by adopting threaded matching, and the female die 10 is provided with a positioning structure at the installation position of the positioning seat 9 and the positioning block 11 is provided with a positioning structure at the installation position of the female die 10, so that after the female die 10 and the positioning block 11 are worn, the pressing block 7 can be conveniently and quickly replaced.
The guide assembly comprises a guide sleeve 12, a guide seat 13 and a guide column 14; the guide sleeve 12 is fixed below the upper die bottom plate 1 through screw fit, and a through hole is formed in the upper die bottom plate 1 at a position corresponding to the inner hole of the guide sleeve 12; the guide seat 13 is fixed above the lower die bottom plate 8 through screw fit, and the position of the guide seat 13 on the lower die bottom plate 8 corresponds to the position of the guide sleeve 12 on the upper die bottom plate 1; one end of the guide post 14 is positioned in the guide seat 13 and is fixed with the lower die bottom plate 8 through screw fit; the end of the guide post 14 remote from the lower die bottom plate 8 passes through the guide sleeve 12 and is in sliding engagement with the guide sleeve 12.
The processing and checking method for the cold punching tool special for the automobile pipeline bracket comprises the following steps:
in the first step, the bracket C is placed in the accommodating cavity 1001 of the female die 10, and the bracket C is limited and positioned by the female die 10 and the positioning block 11.
And step two, operating the upper die to descend, and pressing the pressing block 7 to press part of the inner cavity of the bracket C, wherein the bracket C is kept motionless.
And thirdly, operating the punch 3 to continue descending, enabling the punch 3 to contact and punch a processing hole from the bracket C.
And step four, operating the punch 3 to ascend so that the punch 3 is completely separated from the bracket C.
And fifthly, operating the upper die to reset upwards, and taking out the bracket C from the lower die.
Step six, before the bracket is inspected, burrs generated at the edges of the machining holes of the bracket are removed on site, and the rest of bracket flows to the inspected working procedures to intensively remove the burrs at the edges of the machining holes.
As shown in fig. 9 and 10:
step seven, manufacturing a through stop rod 15 and a gauge block 16; the through end and the stop end of the through stop rod 15 respectively correspond to the minimum size and the maximum size of the processing hole of the bracket C; one side of the gauge block 16 is provided with a measuring groove 1601 according to a reference surface A, a reference surface B and an inclined plane of the bracket C, and the measuring groove 1601 limits the bracket C through two sides; the bottom of one side of the measuring groove 1601 corresponding to the reference surface A of the bracket C is provided with a third vacancy groove 1602; the measurement groove 1601 is provided with a countersink 1603 at a position corresponding to the machining hole.
Step eight, checking the size of the machined hole of the bracket C, extending the through end of the through stop rod 15 into the machined hole, and if the through end of the through stop rod 15 passes through the machined hole and the stop end is stopped in the machined hole, proving that the size of the hole is qualified, otherwise, failing.
Step nine, checking the position of the machined hole of the bracket C, symmetrically placing the bracket C with qualified hole size in the measuring groove 1601 of the gauge block 16, attaching two reference surfaces of the bracket C to the corresponding surfaces of the measuring groove 1601, inserting the through stop rod 15 into the machined hole, and if the through stop rod 15 extends into the sinking groove 1603 through the machined hole, the position of the hole is qualified, otherwise, failing.
In summary, the utility model adopts a cold punching processing method that the inner cavity surface of the bracket is punched in, and the inner cavity surface of the bracket is punched out from a relatively smooth large surface outside the bracket; after the method is used for processing, burrs generated at the edge of a processing hole of the bracket can be outwards turned outwards to form a relatively smooth large surface, so that the problems that the burrs around the hole of the inner cavity surface of a workpiece are large, limited by a small space and inconvenient to remove the burrs in the existing bracket cold punching scheme are solved, the problem that the cutting edge of a lower die (female die) is worn quickly is solved, and the method has the following advantages:
(1) The technical problem of realizing accurate cold punching on inclined planes with irregular thicknesses of the upper bracket and the lower bracket is solved, and the requirements on size, position and precision are ensured;
(2) Solves the problems of easy breaking of the punch and easy die running;
(3) The combined design of the lower die positioning block 11 solves the technical problems of high-precision repeated positioning and quick forging taking and placing;
(4) The pressing block 7 is subjected to technical innovation, so that the adaptability of multiple working conditions of the forging piece (the local deformation of the forging piece caused by the local abrasion of the die) is realized, and the pressing is stable and reliable;
(5) The quick-change combined die is designed for positioning, so that the die is convenient to replace;
(6) The combined gauge block 16 is designed to locally give way, and the cold punching shape and position numerical value is accurately measured by combining a vernier caliper, or whether the cold punching shape and position numerical value is qualified or not is rapidly judged by combining a go-no-go gauge.
Claims (5)
1. A cold punching tool special for an automobile pipeline bracket comprises an upper die and a lower die; a guide assembly is arranged between the upper die and the lower die, and is characterized in that the upper die comprises an upper die bottom plate (1), a punch seat (2), a punch (3), a hexagonal screw sleeve (4), a stripper plate (5), a pressing seat (6) and a pressing block (7); the punch seat (2) is arranged below the upper die bottom plate (1); the punch (3) is of a three-section structure and comprises a positioning section (301), a clamping section (302) and a guiding punching section (303); a first positioning groove (201) matched with the positioning section (301) is formed in the lower end face of the punch holder (2), and fine external threads are machined on the outer side of the lower part of the punch holder (2); the hexagonal screw sleeve (4) comprises a connecting part (401) and a clamping part (402), wherein the connecting part (401) is provided with a screw hole matched with the external thread at the lower part of the punch seat (2), and the clamping part (402) is provided with a through hole matched with the clamping section (302) of the punch (3); the hexagonal screw sleeve (4) is in threaded fit with the punch holder (2) through the connecting part (401) and is fixed below the punch holder (2); the positioning section (301) and a part of clamping section (302) of the punch (3) are respectively clamped and fixed in the punch holder (2) and the hexagonal screw sleeve (4), and the rest part of the clamping section (302) and the guiding punching section (303) of the punch (3) extend out to the lower part of the hexagonal screw sleeve (4); the stripper plate (5) is arranged below the punch (3); the stripper plate (5) is fixedly connected with the upper die bottom plate (1); the stripper plate (5) is provided with a stepped through hole matched with the hexagonal screw sleeve (4); the pressing seat (6) is arranged below the stripper plate (5); the pressing seat (6) is provided with a through hole matched with the clamping part (402) of the hexagonal screw sleeve (4); the pressing block (7) is positioned below the pressing seat (6), and a stepped through hole matched with the clamping section (302) and the guiding punching section (303) of the punch (3) is formed in the pressing block (7);
the lower die comprises a lower die bottom plate (8), a positioning seat (9), a female die (10) and a positioning block (11); the positioning seat (9) is arranged above the lower die bottom plate (8); the female die (10) is positioned and arranged above the positioning seat (9); the female die (10) is provided with a through hole matched with the guiding punching section (303) of the punch (3); the upper end surface of the female die (10) is provided with a containing cavity (1001); the positioning block (11) is positioned at the upper end of the female die (10), and the positioning block (11) is positioned at one side of the accommodating cavity (1001);
the guide assembly comprises a guide sleeve (12), a guide seat (13) and a guide column (14); the guide sleeve (12) is arranged below the upper die bottom plate (1), and a through hole is formed in the position, corresponding to the inner hole of the guide sleeve (12), of the upper die bottom plate (1); the guide seat (13) is arranged above the lower die bottom plate (8), and the position of the guide seat (13) on the lower die bottom plate (8) corresponds to the position of the guide sleeve (12) on the upper die bottom plate (1); one end of the guide post (14) is positioned in the guide seat (13) and is fixedly connected with the lower die bottom plate (8); one end of the guide post (14) far away from the lower die bottom plate (8) penetrates through the guide sleeve (12) and is in sliding fit with the guide sleeve (12).
2. The cold punching tool special for the automobile pipeline bracket according to claim 1, wherein the punch (3) is processed into an inclined shape at the cutting edge end of the guide punching section (303); the punch (3) is provided with a first vacancy groove (3031) on the end face of the cutting edge of the guide punching section (303).
3. The cold punching tool special for the automobile pipeline bracket according to claim 1, wherein a second positioning groove (601) is formed below the pressing seat (6), and a positioning hole is formed in the second positioning groove (601); the upper part of the pressing block (7) is matched in the second positioning groove (601), and the pressing block (7) is fixed below the pressing seat (6) through the matching of the screws arranged in the positioning holes.
4. The cold punching tool special for the automobile pipeline bracket according to claim 1, wherein a third positioning groove (901) is formed above the positioning seat (9), and a positioning hole is formed in the third positioning groove (901); the lower part of the female die (10) is matched in the third positioning groove (901), and the female die (10) is fixed above the positioning seat (9) through the matching of the screws arranged in the positioning holes.
5. The cold punching tool special for the automobile pipeline bracket according to claim 1, wherein the positioning block (11) is provided with a second vacancy groove (1101) at the lower part of one side close to the accommodating cavity (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403591.6U CN219074090U (en) | 2022-12-19 | 2022-12-19 | Cold punching tool special for automobile pipeline bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403591.6U CN219074090U (en) | 2022-12-19 | 2022-12-19 | Cold punching tool special for automobile pipeline bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219074090U true CN219074090U (en) | 2023-05-26 |
Family
ID=86389407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223403591.6U Active CN219074090U (en) | 2022-12-19 | 2022-12-19 | Cold punching tool special for automobile pipeline bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219074090U (en) |
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2022
- 2022-12-19 CN CN202223403591.6U patent/CN219074090U/en active Active
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