CN209953606U

CN209953606U - Punching mistake proofing die

Info

Publication number: CN209953606U
Application number: CN201920167221.6U
Authority: CN
Inventors: 伍朝砖
Original assignee: Foshan Jing Auto Parts Co Ltd
Current assignee: Foshan Jing Auto Parts Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-17
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a punching mistake proofing die, which relates to the technical field of punching dies and solves the problems that a large amount of time is consumed for installing and disassembling a pipe fitting by a common clamp, the punching efficiency is low easily caused, and the production efficiency of a factory can be delayed by the pipe fitting needing punching in large batch; a positioning column and an extending limiting seat for inserting the pipe fitting are respectively fixed on the lower template at two ends of the first mounting through hole; one end of the male die is fixed with a stamping head which can penetrate through the stripper plate and extend into the first mounting through hole, so that the punching error rate of the pipe fitting can be reduced conveniently, the yield of the punched pipe fitting is improved, and the punching efficiency of the pipe fitting is improved effectively.

Description

Punching mistake proofing die

Technical Field

The utility model relates to a cut-out press technical field, in particular to mistake proofing mould punches a hole.

Background

The pipe fitting is a general name of parts in a pipeline system which play roles in connection, control, direction change, flow distribution, sealing, supporting and the like. When the punching machine needs to punch a through hole with the axial direction perpendicular to the axial direction of the pipe, the punching head is easy to slip with the outer wall of the smooth pipe.

In order to reduce the probability of the phenomenon of punching wrong holes, the conventional punching die can clamp and fix clamps such as flat tongs commonly, but the clamps need to consume a large amount of time for installing and disassembling the pipe fittings, so that the phenomenon of low punching efficiency is easily caused, and the production efficiency of a factory can be delayed by the pipe fittings needing to be punched in large quantities.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mistake proofing mould punches a hole has the error rate that punches a hole that can be convenient for reduce this pipe fitting, improves the yields that the pipe fitting punched a hole, improves the advantage of the efficiency that the pipe fitting punched a hole effectively.

The above technical purpose of the present invention can be achieved by the following technical solutions: 1. a punching mistake-proofing die comprises an upper die plate and a lower die plate, wherein a first guide sleeve is arranged inside the upper die plate along the buckling direction of the upper die plate and the lower die plate, a first guide pillar is connected inside the first guide sleeve in a sliding mode and fixed on the lower die plate, a die body for pipe fitting punching forming is arranged between the upper die plate and the lower die plate, the die body comprises a male die and a female die, the male die is connected with the upper die plate, the female die is connected with the lower die plate, a second guide sleeve is arranged inside the male die along the buckling direction of the upper die plate and the lower die plate, a second guide pillar is connected inside the second guide sleeve in a sliding mode, a stripper plate capable of covering the female die is fixedly connected to the end portion, close to the female die, of the second guide pillar, an elastic piece for pushing and pressing the stripper plate is arranged between the stripper plate and the male; a positioning column and an extension limiting seat which are used for inserting the pipe fitting and are positioned at two ends of the first mounting through hole are fixed on the lower template, and the positioning column and the first mounting through hole are coaxially arranged; and a stamping head which can penetrate through the stripper plate along the buckling direction of the upper template and the lower template and extend into the first mounting through hole is fixed at one end of the male die facing the female die.

Through adopting above-mentioned technical scheme, be located the flitch of taking off between public mould and the master model and can be convenient for the installation and the dismantlement of pipe fitting to in the efficiency of improving and punching. The first mounting through hole can be passed by the pipe fitting, and then forms the preliminary location of pipe fitting to the positional deviation along the axial both sides takes place for the restriction pipe fitting when punching a hole. The female die can limit one end of the Z-shaped pipe fitting along two axial sides, and similarly, the extension limiting seat can limit the other end of the Z-shaped pipe fitting along two axial sides so as to facilitate the positioning of the Z-shaped pipe fitting. After the pipe fitting passed first installation through-hole and inserted the outer wall of reference column, Z type pipe fitting alright accomplish the location before punching to in reduce the punching error rate of this pipe fitting, improve the yields that the pipe fitting punched a hole. And after the pipe fitting is machined, the installation and fixing mode of splicing adopted according to the characteristics of the pipe fitting is combined with the stripper plate which is convenient for loading and unloading, so that the efficiency of punching the pipe fitting can be effectively improved, and the machining efficiency of the working procedure is further improved.

The utility model discloses a further setting, the reference column penetrates the inside of first installation through-hole along the axial of first installation through-hole, and the reference column extends to the below of punching press head, seted up on the reference column with the first assorted processing through-hole of punching press.

Through adopting above-mentioned technical scheme, the reference column extends to the inside back that penetrates first installation through-hole, can make the pipe fitting of its corresponding length of adaptation to in satisfy the pipe fitting of different specifications. The reference column is located the below of punching press head and has seted up assorted processing through-hole, and the processing through-hole can supply the punching press head to pass through the contact ratio that improves reference column and pipe fitting to in the machining precision who improves punching a hole.

The utility model discloses a further setting, the inside of reference column is nested along the axial displacement direction of punching press head has the installation piece, the processing through-hole is located the inside of installation piece.

Through adopting above-mentioned technical scheme, because the aperture of processing through-hole needs and the aperture phase-match of punching press head, the processing through-hole in different apertures can be convenient for change to the installation piece nested in the reference column inside this moment, after the punching press head of different external diameters has been changed in the mill, the accessible is changed and is had the punching press head of the different external diameters of installation piece with the adaptation of different processing through-holes.

The utility model discloses a further setting, be fixed with the positioning seat on the lower bolster, be provided with the second installation through-hole with the coaxial setting of first installation through-hole in the positioning seat, the reference column is fixed in the second installation through-hole.

By adopting the technical scheme, the positioning seat can provide stress support for the positioning column so that the positioning column can be lifted to be coaxial with the first mounting through hole, the positioning column is fixed in the second mounting through hole, the positioning column can be conveniently mounted and dismounted, and the whole mounting and dismounting of the die are convenient.

The utility model discloses a further setting, the end fixing of reference column has first grip block, first grip block butt in the side that the mould body was kept away from to the positioning seat is last.

Through adopting above-mentioned technical scheme, the installation and the dismantlement of reference column can be convenient for to first grip block, and when the reference column needs the pipe fitting of the different internal diameters of adaptation, the accessible is in time changed the reference column of different external diameters, is favorable to improving the holistic cyclic utilization of mould, reduces the manufacturing cost of enterprise.

The utility model discloses a further setting, be fixed with the second grip block on the lateral wall of reference column, the side that the second grip block butt is close to the mould body in the positioning seat.

Through adopting above-mentioned technical scheme, when the pipe fitting contradicts in the surface of second grip block, the relative position between the tip of pipe fitting and the punching press head both for punching the corresponding position, can change the different reference columns of second grip block relative position as required to the adjustment position of punching, and then the cyclic utilization rate of improvement mould.

The utility model discloses a further setting, first installation through-hole along the axial seted up with pipe fitting outline assorted first circular arc portion.

By adopting the technical scheme, the first arc part can be convenient for improving the attaching degree of the first mounting through hole and the pipe fitting, so that the abrasion caused by the scratch of the first mounting through hole and the pipe fitting in the punching process is reduced, and the yield of the pipe fitting is improved.

The utility model discloses a further setting, set up the bearing position that is used for holding putting the pipe fitting on extending spacing seat, be formed with on the bearing position with pipe fitting outline assorted second circular arc portion.

Through adopting above-mentioned technical scheme, the second circular arc portion can be convenient for reduce the probability that extends spacing seat and pipe fitting outer wall and take place wearing and tearing, and then is convenient for improve the yields of pipe fitting.

The utility model discloses a further setting, the elastic component is two at least round the axial equipartition and the quantity of punching press head.

Through adopting above-mentioned technical scheme, quantity is the installation and the dismantlement of two elastic component can be convenient for take off the flitch at least, for taking off the flitch and providing the effort that elasticity resets, and then improves the machining efficiency that punches of pipe fitting.

To sum up, the utility model discloses following beneficial effect has:

1. the punching error rate of the pipe fitting can be reduced conveniently, and the yield of the pipe fitting punching is improved;

2. the adopted inserting and fixing mode can effectively improve the efficiency of pipe punching, thereby improving the processing efficiency of the process;

3. the punching head with different apertures can be adapted to, thereby being beneficial to improving the overall cyclic utilization rate of the die and reducing the production and manufacturing cost of enterprises.

Generally speaking the utility model discloses, can be convenient for reduce the error rate that punches a hole of this pipe fitting, improve the yields that the pipe fitting punched a hole, improve the efficiency that the pipe fitting punched a hole effectively.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic structural view of the pipe member in the present embodiment;

FIG. 3 is a view of one embodiment;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural diagram of the positioning post in this embodiment.

Reference numerals: 1. mounting a template; 2. a lower template; 3. a first guide sleeve; 4. a first guide post; 5. a mold body; 51. a male die; 52. a material removing plate; 53. a female die; 54. a second guide post; 55. punching a head; 56. a first mounting through hole; 57. a second guide sleeve; 6. a positioning column; 7. an extension limiting seat; 8. processing a through hole; 9. mounting blocks; 10. positioning seats; 11. a first clamping block; 12. a second clamping block; 13. a first arc portion; 14. a second arc portion; 15. an elastic member; 16. a pipe fitting; 17. a second mounting through hole; 18. and (4) bearing positions.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a mistake proofing mould punches a hole, as shown in fig. 1 and 2, includes cope match-plate pattern 1 and lower bolster 2, and the inside of cope match-plate pattern 1 is equipped with first guide pin bushing 3 along cope match-plate pattern 1 and 2 lock directions of lower bolster. The inside sliding connection of first guide pin bushing 3 has first guide pillar 4, and first guide pillar 4 is fixed in on lower bolster 2. Be equipped with between cope match-plate pattern 1 and the lower bolster 2 and be used for punching a hole fashioned mould body 5, mould body 5 includes public mould 51 and master model 53, and public mould 51 links to each other with cope match-plate pattern 1, and master model 53 links to each other with lower bolster 2, and the lock orientation is cope match-plate pattern 1 along the direction of being close to lower bolster 2 and removing. A second guide sleeve 57 is arranged inside the male die 51 along the buckling direction of the upper die plate 1 and the lower die plate 2, and a second guide pillar 54 is connected inside the second guide sleeve 57 in a sliding manner. The end of the second guide post 54 close to the female die 53 is fixedly connected with a stripper plate 52 which can cover the female die 53. Stripper plate 52 may be used to press secure pipe 16. An elastic part 15 for pushing and pressing the stripper plate 52 is arranged between the stripper plate 52 and the male die 51, the elastic part 15 is a common spring for the die, and the elastic parts 15 are uniformly distributed around the axial direction of the punch 55 and are four in number, so that the stripper plate 52 can be conveniently mounted and dismounted, and an elastic reset acting force is provided for the stripper plate 52. A stamping head 55 which can penetrate through the stripper plate 52 along the buckling direction of the upper template 1 and the lower template 2 and extend into the first mounting through hole 56 is fixed at one end of the male die 51 facing the female die 53.

As shown in fig. 3 and 4, the female die 53 is provided with a first installation through hole 56 for the pipe 16 to pass through, the pipe 16 is a Z-shaped special pipe, the first installation through hole 56 has a through hole structure with a width larger than that of the pipe 16, and the first installation through hole 56 is provided with a first arc portion 13 matching with the outer contour of the pipe 16 along the axial direction. The first arc portion 13 is an arc pipeline structure with the diameter the same as the outer diameter of the pipe fitting 16, and the first arc portion 13 can facilitate improvement of the fitting degree of the first mounting through hole 56 and the pipe fitting 16, so as to reduce abrasion caused by scratching between the first mounting through hole 56 and the pipe fitting 16 in the punching process, and further improve the yield of the pipe fitting 16. A positioning seat 10 is fixed on the lower template 2, a second mounting through hole 17 which is coaxial with the first mounting through hole 56 is arranged in the positioning seat 10, the positioning column 6 is fixed in the second mounting through hole 17, and the second mounting through hole 17 is a through hole structure matched with the outer wall of the positioning column 6. At two ends of the first mounting through hole 56, the lower template 2 is respectively fixed with a positioning column 6 for inserting the pipe 16 and an extending limiting seat 7, and the positioning seat 10 can provide a stressed support for the positioning column 6, so that the positioning column 6 can be lifted to be coaxial with the first mounting through hole 56, thereby facilitating the detachment of the whole mounting of the die. The positioning column 6 and the first installation through hole 56 are coaxially arranged, and the outer diameter of the positioning column 6 is in clearance fit with the inner diameter of the pipe fitting 16.

As shown in fig. 4 and 5, the positioning post 6 extends axially into the first mounting through hole 56, so that it can be adapted to a pipe 16 of a corresponding length, so as to meet different sizes of pipes 16. The reference column 6 is located the below of punching press head 55, and the inside of reference column 6 is equipped with the square through hole structure along the axial of punching press head 55, and the inside of square through hole structure is fixed with installation piece 9 along the axial displacement direction nestification of punching press head 55, set up on the installation piece 9 with punching press head 55 assorted processing through-hole 8, can supply punching press head 55 to add man-hour and pass, through the contact ratio that improves reference column 6 and pipe fitting 16 to in the machining precision who punches a hole. Because the aperture of processing through-hole 8 needs and the aperture phase-match of punching press head 55, the installation piece 9 of nestification in the inside of reference column 6 this moment can be convenient for change the processing through-hole 8 in different apertures, after the punching press head 55 of different external diameters had been changed in the mill, the accessible was changed and is had the punching press head 55 of the different external diameters of installation piece 9 of different processing through-hole 8 of adaptation. After the pipe fitting 16 is machined, the inserting and connecting installation and fixing mode adopted according to the characteristics of the pipe fitting 16 is combined with the stripper plate 52 which facilitates loading and unloading, so that the punching efficiency of the pipe fitting 16 can be effectively improved, and the machining efficiency of the working procedure is further improved.

As shown in fig. 3 and 4, a first clamping block 11 is fixed to an end of the positioning column 6 through a fastener, the fastener is a bolt pair, the first clamping block 11 is a circular stretching plate provided with a threaded hole along the axial direction, the positioning column 6 is provided with a threaded hole along the axial direction, and the fastener is in threaded connection with the first clamping block 11 and the positioning column 6. The first clamping block 11 abuts against a side surface of the positioning seat 10 far away from the mold body 5. First grip block 11 can be convenient for the installation and the dismantlement of reference column 6, and when 6 pipe fittings 16 of the different internal diameters of needs adaptation of reference column, the accessible is in time changed the reference column 6 of different external diameters, is favorable to improving the holistic cyclic utilization of mould, reduces the manufacturing cost of enterprise. The sidewall of the positioning column 6 is fixed with a second clamping block 12, and the second clamping block 12 abuts against the side surface of the positioning seat 10 close to the mold body 5. When the pipe 16 abuts against the surface of the second clamping block 12, the relative position between the end of the pipe 16 and the punching head 55 is the position corresponding to the punching, and the positioning posts 6 with different relative positions of the second clamping block 12 can be replaced as required, so as to adjust the punching position, and further improve the recycling rate of the mold.

The extension limiting seat 7 is an L-shaped tensile metal block, the female die 53 can limit one end of the Z-shaped pipe fitting 16 along two axial sides, and similarly, the extension limiting seat 7 can limit the other end of the Z-shaped pipe fitting 16 along two axial sides, so that the Z-shaped pipe fitting 16 can be positioned conveniently. After the pipe 16 passes through the first installation through hole 56 and is inserted into the outer wall of the positioning column 6, the Z-shaped pipe 16 can be positioned before punching, so that the punching error rate of the pipe 16 is reduced, and the punching yield of the pipe 16 is improved. Offer the bearing position 18 that is used for holding the pipe fitting 16 on extending spacing seat 7, be formed with on the bearing position 18 with pipe fitting 16 outline assorted second circular arc portion 14, bearing position 18 is the through-hole structure that can supply pipe fitting 16 to pass, second circular arc portion 14 is the circular arc pipeline structure that the diameter is the same with pipe fitting 16 external diameter to reduce the probability that extends spacing seat 7 and pipe fitting 16 outer wall emergence wearing and tearing, and then improve the yields of pipe fitting 16.

The working principle is as follows: firstly, one end of the pipe 16 passes through the first mounting through hole 56 and is inserted and connected to the outer wall of the positioning column 6; adjusting the position of the pipe fitting 16 to make the outer wall of the pipe fitting attached to the first arc part 13 and the second arc part 14; finally, the punching equipment is started to drive the punching head 55 on the upper template 1 to complete the punching process.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A punching mistake-proofing die comprises an upper die plate (1) and a lower die plate (2), wherein a first guide sleeve (3) is arranged inside the upper die plate (1) along the buckling direction of the upper die plate (1) and the lower die plate (2), a first guide post (4) is connected inside the first guide sleeve (3) in a sliding manner, the first guide post (4) is fixed on the lower die plate (2), a die body (5) for punching and forming a pipe fitting (16) is arranged between the upper die plate (1) and the lower die plate (2), and the die is characterized in that the die body (5) comprises a male die (51) and a female die (53), the male die (51) is connected with the upper die plate (1), the female die (53) is connected with the lower die plate (2), a second guide sleeve (57) is arranged inside the male die (51) along the buckling direction of the upper die plate (1) and the lower die plate (2), and a second guide post (54) is connected inside the second guide sleeve (, the end part of the second guide post (54) close to the female die (53) is fixedly connected with a stripper plate (52) which can cover the female die (53), an elastic part (15) for pushing and pressing the stripper plate (52) is arranged between the stripper plate (52) and the male die (51), and the female die (53) is provided with a first mounting through hole (56) for the pipe fitting (16) to pass through; a positioning column (6) and an extending limiting seat (7) which are used for inserting the pipe fitting (16) and are positioned at two ends of the first mounting through hole (56) are fixed on the lower template (2), and the positioning column (6) and the first mounting through hole (56) are coaxially arranged; and a stamping head (55) which can penetrate through the stripper plate (52) along the buckling direction of the upper template (1) and the lower template (2) and extend into the first mounting through hole (56) is fixed at one end of the male die (51) facing the female die (53).

2. A punching mistake proofing die according to claim 1, wherein the positioning column (6) penetrates into the first mounting through hole (56) along the axial direction of the first mounting through hole (56), the positioning column (6) extends to the lower part of the punching head (55), and a processing through hole (8) matched with the punching head (55) is formed in the positioning column (6).

3. A punching mistake proofing die according to claim 2, characterized in that the inside of the positioning column (6) is nested with a mounting block (9) along the axial moving direction of the punching head (55), and the machining through hole (8) is positioned inside the mounting block (9).

4. A punching mistake proofing die according to claim 1, characterized in that a positioning seat (10) is fixed on the lower die plate (2), a second mounting through hole (17) which is coaxial with the first mounting through hole (56) is arranged in the positioning seat (10), and the positioning column (6) is fixed in the second mounting through hole (17).

5. A punching mistake proofing die according to claim 4, characterized in that a first clamping block (11) is fixed at the end of the positioning column (6), and the first clamping block (11) abuts against the side of the positioning seat (10) far away from the die body (5).

6. A punching mistake proofing die according to claim 1, characterized in that a second clamping block (12) is fixed on the sidewall of the positioning column (6), and the second clamping block (12) abuts against the side surface of the positioning seat (10) close to the die body (5).

7. A punching mistake proofing die according to claim 1, characterized in that the first mounting through hole (56) is axially provided with a first circular arc portion (13) matching with the outer contour of the pipe (16).

8. A punching mistake proofing die according to claim 1, characterized in that the extension limiting seat (7) is provided with a bearing position (18) for bearing the pipe (16), and the bearing position is provided with a second arc portion (14) matched with the outer contour of the pipe (16).

9. A punching mistake proofing die according to claim 1, characterized in that the resilient members (15) are evenly distributed around the axial direction of the punching head (55) and are at least two in number.