CN218744314U

CN218744314U - Repairing and punching structure for oil cylinder matched punching

Info

Publication number: CN218744314U
Application number: CN202222620759.2U
Authority: CN
Inventors: 左光旭; 金飞; 赵童; 行一凡
Original assignee: Wuxi Langxian Lightweight Technology Co ltd
Current assignee: Wuxi Langxian Lightweight Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-28
Anticipated expiration: 2032-09-28

Abstract

The utility model provides a trimming and punching structure for oil cylinder matched punching, which comprises a die holder arranged at the bottom of an upper slide block of equipment; the oil cylinder assembly penetrates through the die holder and is arranged at the bottom of the upper sliding block of the equipment, and the oil cylinder assembly is locked and positioned with the die holder 1 through an oil cylinder positioning piece and a screw; the punch mounting seat is connected to the bottom of the oil cylinder assembly and drives the punch mounting seat to move up and down through the oil cylinder assembly; the punch is arranged at the bottom of the punch mounting seat and is driven by the oil cylinder assembly to perform punching; the material pressing core is sleeved on the punch, and the punch penetrates through the material pressing core downwards and then contacts the material part for punching; the trimming knife block is arranged at the bottom of the die holder and close to one side of the punch mounting seat. The utility model provides a when porous position punches a hole, long side cut, obviously reduce the demand of the biggest blanking power of lathe equipment, and then effectively weaken the high decibel noise that produces, when increasing equipment life, have the effect of great forward effect to operating personnel's hearing protection.

Description

Repairing and punching structure for oil cylinder matched punching

Technical Field

The utility model belongs to the technical field of the follow-up processing of thermoforming part and specifically relates to repair towards structure for repairing of hydro-cylinder cooperation blanking and specifically relates to a hot forming part follow-up processing field relates to and repaiies towards technical field.

Background

In recent years, automobile weight reduction technology has been vigorously developed, and thermoforming technology has been attracting attention in the field of part molding.

In the process of converting a semi-finished product into a finished product, holes and waste edges on the hot-formed part need to be subjected to processes of 3D laser and trimming and punching of a trimming die, or pre-development analysis of hole positions and side lines is carried out in the part forming stage.

However, the part has high tolerance requirements on part of holes and side lines, so that the whole pre-development stability is poor, trimming and punching are difficult to realize by using trimming dies, and due to the large number of holes and long side lines, punching precision can be ensured only by trimming and punching by using a plurality of sets of trimming dies in a plurality of processes, so that the manufacturing, production and later-stage die maintenance cost is multiplied.

Based on the situation, the production efficiency of trimming and punching is considered to be higher than that of laser, and then the trimming and punching process and structure are expanded and optimized on the basis of trimming and punching, so that trimming and punching contents which can be finished only by two or even three sequences originally can be finished by one sequence, but the blanking force of a single-process die is larger, high decibel noise is formed, and the service life of equipment is shortened.

Disclosure of Invention

In view of the above shortcomings in the prior art, an object of the present invention is to provide a trimming and punching structure for oil cylinder matched blanking, which is used for solving the difficulties in the prior art.

In order to realize the above-mentioned purpose and other relevant purposes, the utility model provides a repair of hydro-cylinder cooperation blanking dashes structure, include:

the die holder 1 is arranged at the bottom of the upper sliding block 2 of the equipment;

the oil cylinder assembly is locked and positioned with the die holder 1 through an oil cylinder positioning piece and a screw;

the punch mounting seat 3 is connected to the bottom of the oil cylinder assembly, and the punch mounting seat 3 is driven by the oil cylinder assembly to move up and down;

the punch 4 is arranged at the bottom of the punch mounting seat 3, and the punch 4 is driven by the oil cylinder assembly to punch the punch mounting seat 3;

the material pressing core 5 is sleeved on the punch 4, and the punch 4 penetrates through the material pressing core 5 downwards and then contacts with a material part for punching;

and the trimming knife block 6 is arranged on the die holder 1 and is close to one side of the punch mounting seat 3.

According to the preferred scheme, the punch 4 is provided with a plurality of punches corresponding to the number of the punches required on the material piece.

According to a preferred aspect, the cylinder assembly comprises:

the oil cylinder body 7 is characterized in that an oil inlet 701 and an oil outlet 702 of the oil cylinder body 7 are connected with the outside through pipelines;

the bottom of the oil cylinder rod 8 is connected with the punch mounting seat 3;

the oil cylinder body 7 and the die holder 1 are locked and positioned through the positioning assembly;

and the guide rod 9 is arranged between the oil cylinder body 7 and the punch mounting seat 3, and the punch mounting seat 3 moves up and down along the guide rod 9 under the driving of the oil cylinder body 7.

Preferably, the pair of guide rods 9 is provided, and is provided on the left and right sides with respect to the cylinder rod 8 as a symmetry axis.

According to a preferred aspect, the positioning assembly comprises:

the top of the oil cylinder body 7 is provided with an oil cylinder connecting end 10 which horizontally extends towards the outer side;

one side, close to the oil cylinder body 7, of the die holder 1 is provided with a die holder supporting end 11 horizontally extending towards the oil cylinder body 7, and the top of the die holder supporting end 11 is lower than the oil cylinder connecting end 10;

and two sides of the oil cylinder connecting end 10 are erected on the die holder supporting end 11 and are connected with each other through the oil cylinder positioning rod 12.

According to the preferred scheme, the oil cylinder positioning rods 12 are arranged in a plurality and surround the oil cylinder body 7.

According to the preferable scheme, the horizontal end of the punch mounting seat 3 is connected with the oil cylinder assembly, and the bottom of the vertical end is provided with a punch 4;

the two sides of the vertical end and the bottom of the horizontal end form an avoiding space 13 clamped into the material pressing core.

According to a preferred scheme, the material pressing core 5 comprises:

the limiting structure 501 is positioned at the top of the material pressing core 5 and extends into the avoiding space 13 on one side of the bottom of the punch mounting seat 3;

the material pressing end 502 is positioned at the bottom of the material pressing core 5 to form an inward concave space;

and the connecting end 503 is connected with the limiting structure 501 and the pressing end 502, and a through hole is formed in the position corresponding to the punch 4.

According to a preferred embodiment, the core 5 is h-shaped.

According to the preferable scheme, the bottom of the die holder 1 is further provided with a wedge 14, the inclined surface of one side, close to the punch 4, of the wedge 14 is arranged downwards, a wedge side punch 15 driven along with the bottom lower die is further installed on the wedge 14, and the wedge side punch 15 obliquely penetrates through the scrap area pressing end 502 to reach a material part with trimming punch.

According to a preferred scheme, a die holder end punch 16 is further installed on the two side surfaces of the die holder 1 far away from the punch 4, and the die holder end punch 16 is directly driven by the device.

According to a preferred scheme, the number of the die holder end punches 16 corresponds to the number of the material strips to be trimmed and punched, which need to be punched.

The utility model provides a when porous position punches a hole, long side cut, obviously reduce the demand of the biggest blanking power of lathe equipment, and then effectively weaken the high decibel noise that produces, when increasing equipment life, have the effect of great forward effect to operating personnel's hearing protection.

The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the present invention can be easily understood.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

description of the reference symbols

1. A die holder; 2. an upper sliding block of the equipment; 3. a punch mounting seat; 4. a punch; 5. the device comprises a pressing core 501, a limiting structure 502, a pressing end 503 and a connecting end; 6. trimming a cutter block; 7. the oil cylinder comprises an oil cylinder body 701, an oil inlet 702 and an oil outlet; 8. a cylinder rod; 9. a guide rod; 10. the oil cylinder is connected with the end; 11. a die holder support end; 12. an oil cylinder positioning rod; 13. avoiding a space; 14. a wedge; 15. side punching of the inclined wedge; 16. and a die holder end punch.

Detailed Description

In order to make the purpose, technical scheme and advantage of the technical scheme of the utility model clearer, will combine in the following the utility model discloses the drawing of concrete embodiment is right the technical scheme of the embodiment of the utility model carries out clear, complete description. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Possible embodiments within the scope of the invention may have fewer parts, have other parts not shown in the figures, different parts, differently arranged parts or differently connected parts, etc. than the examples shown in the figures. In addition, two or more of the components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The utility model provides a repair of hydro-cylinder cooperation blanking dashes structure for be suitable for porous, multi-angle, the high accuracy is repaiied and is dashed in the technology, the utility model discloses demand to the biggest blanking force of press equipment reduces, but this hydraulic cushion cooperation structure specially adapted conventional blanking or need reduce in the structure of press blanking force.

Generally, the utility model provides a repair towards structure of hydro-cylinder cooperation blanking mainly includes die holder 1, hydro-cylinder subassembly, drift mount pad 3, drift 4, presses material core 5 and deburring cutter block 6. Reference is made to fig. 1, which shows the arrangement relationship of the die holder 1, the cylinder assembly, the punch mounting seat 3, the punch 4, the pressing core 5 and the deburring tool block 6.

And 20 punches in a single process, wherein 10 punches are die holder end punches 16, die holder end punches 16 are installed on two side faces, away from the punches 4, of the die holder 1, the die holder end punches 16 are directly driven by equipment, 2 punches are tapered wedge side punches and are also driven by the die holder, and the rest 8 punches are driven by oil cylinders.

As shown in fig. 1, a die holder 1 is mounted at the bottom of an upper slide block 2 of the device to form a whole, and is integrated with a press, and along with the up-and-down movement of the upper slide block 2 of the press, the die holder 1 is also provided with a trimming knife block 6, and the trimming knife block 6 also moves up and down along with the press;

oil cylinder subassembly, drift mount pad 3 and drift 4 set up the below at equipment top shoe 2 as a whole, and drift mount pad 3 is connected in the bottom of oil cylinder subassembly to reciprocate through oil cylinder subassembly drive drift mount pad 3, drift 4 is die-cut by oil cylinder subassembly drive drift mount pad 3, and drift 4 is punched 5 back contact material spares of down passing pressure material core and is die-cut.

Specifically, the method comprises the following working steps:

1. placing the part on the lower die surface;

2. the press drives the upper die to move downwards, and the material pressing core 5 presses materials;

3. after the parts are tightly pressed, the die is closed when reaching a bottom dead center, an oil inlet 701 of the oil cylinder assembly enters the oil inlet to drive the punch mounting seat 3 to move downwards to the oil cylinder body 7 to drive the punch 4 to work and punch;

4. after the punching is finished, oil is discharged from an oil outlet 702 of the oil cylinder, and the mounting seat of the punch 4 is reset in a return stroke;

5. the press drives the upper die to move upwards to the material pressing core 5, the pressure is released, and the die is completely opened;

6. and taking out the part.

On the basis, preferably, 8 punches driven by the oil cylinder are arranged, not shown in the figure, and the number of the punches 4 is arranged corresponding to the number of the punched holes on the material piece.

What needs to be described specifically is the structure of the oil cylinder assembly, the bottom of an oil cylinder rod 8 in an oil cylinder body 7 is connected with the punch mounting seat 3, the oil cylinder body 7 and the die holder 1 are locked and positioned with the die holder 1 through an oil cylinder positioning piece and a screw, a pair of guide rods 9 which are arranged left and right with the oil cylinder rod 8 as a symmetry axis are arranged between the oil cylinder body 7 and the punch mounting seat 3, and the punch mounting seat 3 moves up and down along the guide rods 9 under the driving of the oil cylinder body 7.

As mentioned above, the oil cylinder assembly is locked and positioned by the die holder 1, and specifically, is realized by the positioning assembly, on one hand, since the top of the oil cylinder body 7 is provided with the oil cylinder connecting end 10 horizontally extending towards the outside, on the other hand, one side of the die holder 1 close to the oil cylinder body 7 is provided with the die holder supporting end 11 horizontally extending towards the oil cylinder body 7, and the top of the die holder supporting end 11 is lower than the oil cylinder connecting end 10; therefore, the two sides of the oil cylinder connecting end 10 are erected on the die holder supporting end 11, and the two are connected through a plurality of oil cylinder positioning rods 12 arranged around the oil cylinder body 7, so that a stabilizing effect is achieved.

On this basis preferably, the cooperation setting between the material pressing core 5 of drift mount pad 3 and h type, light-weighted design has been played, reduce area, reduce the cost, it is specific, the horizontal end and the oil cylinder subassembly of drift mount pad 3 are connected, drift 4 is installed to the bottom of vertical end, the both sides of vertical end and the bottom of horizontal end form the dodge space 13 that the card goes into the material pressing core, limit structure 501 of material pressing core 5 is located the top of material pressing core 5 and stretches into the dodge space 13 of 3 bottom one sides of drift mount pad, the bottom of material pressing core 5 forms inwards recessed formation and supports the material pressing end 502 of establishing on the tablet, limit structure 501 and material pressing end 502 are connected to link 503, it is provided with the through-hole to correspond drift 4.

As shown in fig. 1, the die holder 1 is further provided with a wedge 14 at the bottom, the inclined surface of the wedge 14 close to one side of the punch 4 is arranged downwards, a wedge side punching head 15 driven by the bottom lower die is further arranged on the wedge 14, and the wedge side punching head 15 obliquely penetrates through the scrap area pressing end 502 to reach a material part with trimming punching.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a repair of hydro-cylinder cooperation blanking dashes structure which characterized in that includes:

the die holder (1), the said die holder (1) is installed on the bottom of the apparatus upper slide block (2);

the oil cylinder assembly is locked and positioned with the die holder (1) through an oil cylinder positioning piece and a screw;

the punch mounting seat (3) is connected to the bottom of the oil cylinder assembly, and the punch mounting seat (3) is driven to move up and down through the oil cylinder assembly;

the punch (4) is installed at the bottom of the punch mounting seat (3), and the punch (4) is punched by the punch mounting seat (3) driven by the oil cylinder assembly;

the material pressing core (5) is sleeved on the punch (4), and the punch (4) penetrates through the material pressing core (5) downwards and then contacts with a material part for punching;

and the trimming knife block (6) is arranged on the die holder (1) and is close to one side of the punch mounting seat (3).

2. The trimming structure for oil cylinder fitting blanking according to claim 1, wherein the oil cylinder assembly includes:

the oil cylinder comprises an oil cylinder body (7), wherein an oil inlet (701) and an oil outlet (702) of the oil cylinder body (7) are connected with the outside through pipelines;

the bottom of the oil cylinder rod (8) is connected with the punch mounting seat (3);

the oil cylinder body (7) and the die holder (1) are locked and positioned through the positioning assembly;

the punch mounting structure comprises a guide rod (9), wherein the guide rod (9) is arranged between the oil cylinder body (7) and the punch mounting seat (3), and the punch mounting seat (3) moves up and down along the guide rod (9) under the driving of the oil cylinder body (7).

3. The trimming and punching structure for oil cylinder matched blanking according to claim 2, wherein the positioning assembly comprises:

the top of the oil cylinder body (7) is provided with an oil cylinder connecting end (10) which horizontally extends towards the outer side;

the die holder is characterized by comprising a die holder supporting end (11), one side, close to the oil cylinder body (7), of the die holder (1) is provided with the die holder supporting end (11) horizontally extending towards the oil cylinder body (7), and the top of the die holder supporting end (11) is lower than the oil cylinder connecting end (10);

the two sides of the oil cylinder connecting end (10) are erected on the die holder supporting end (11) and are connected through the oil cylinder positioning rod (12).

4. The trimming and punching structure for oil cylinder matched blanking according to claim 3, characterized in that the horizontal end of the punch mounting seat (3) is connected with the oil cylinder assembly, and the bottom of the vertical end is provided with the punch (4);

the two sides of the vertical end and the bottom of the horizontal end form an avoidance space (13) clamped into the material pressing core.

5. The trimming structure for oil cylinder matched blanking according to claim 4, wherein the blanking core (5) comprises:

the limiting structure (501), the limiting structure (501) is positioned at the top of the material pressing core (5) and extends into the avoiding space (13) on one side of the bottom of the punch mounting seat (3);

the pressing end (502) is positioned at the bottom of the pressing core (5) to form an inward concave space;

the connecting end (503), limit structure (501) and material pressing end (502) are connected to connecting end (503), correspond drift (4) and be provided with the through-hole.

6. The trimming structure of the oil cylinder matched blanking according to the claim 5, characterized in that a wedge (14) is further arranged at the bottom of the die holder (1), the inclined surface of the wedge (14) close to one side of the punch (4) is arranged downwards, a wedge side-punching punch (15) driven by a bottom lower die is further mounted on the wedge (14), and the wedge side-punching punch (15) obliquely penetrates through a scrap area pressing end (502) to reach a material part with trimming.

7. The trimming structure for oil cylinder matched blanking according to claim 6, wherein a die holder end punch (16) is further installed on the two side surfaces of the die holder (1) far away from the punch (4), and the die holder end punch (16) is directly driven by equipment.