CN209773207U

CN209773207U - adjustable thin-wall strip hole site punching die

Info

Publication number: CN209773207U
Application number: CN201920409919.4U
Authority: CN
Inventors: 李嵘成
Original assignee: Tangshan Yubang New Building Materials Co Ltd
Current assignee: Tangshan Yubang New Building Materials Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-13
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses an adjustable thin-wall strip hole site punching die in the technical field of punching die, which comprises a lower die mounting seat, a lower die, an upper die mounting seat and an upper die, wherein the lower die is adjustably arranged on the lower die mounting seat, the upper die is detachably arranged at the bottom of the upper die mounting seat, the upper die is arranged above the lower die, the top of the lower die mounting seat is transversely and longitudinally provided with a lower die mounting groove and a strip limiting groove, the middle part of one side wall of the lower die mounting groove is embedded with a positioning mechanism for limiting the position of the lower die, a plurality of strip abdicating grooves are arranged side by side at the top of the lower die in equidistance, punching holes with different diameters are arranged at the middle parts of the strip abdicating grooves, the upper die mounting seat comprises an upper die fixing block, the bottom of the upper die fixing block is provided with an upper die, the utility model provides a thin wall area material hole site die-cut mould with adjustable.

Description

Adjustable thin-wall strip hole site punching die

Technical Field

The utility model relates to a die-cut mould technical field specifically is a thin wall area material hole site die-cut mould with adjustable.

background

At present, to form holes on thin and narrow strips, die punching is often the best process method because if holes are drilled by machining, because the thin materials are difficult to clamp, the size and precision of parts are difficult to guarantee, the workload is increased, and the cost is high, but if stamping parts are of multiple varieties and small batches, and the products are updated quickly, a large number of dies need to be manufactured in a short period, the production cost is inevitably increased, and the whole production period is prolonged, so that a die with the most universal die structure and the most grouped die parts is needed.

To this end, those skilled in the relevant art have made improvements, such as "a punching die set, which includes a lower die holder, a female die, a guide plate, an impact block, and a male die, proposed in chinese patent application No. CN 201720479966.7; the lower die base is provided with a hole; the female die is mounted and limited on the lower die base, a blank placing position for positioning blanks is arranged on the female die, and a guide cutting edge channel is arranged on the female die; the correcting plate is arranged on and limited by the lower die base and is positioned on the upper side of the female die, and a male die correcting channel is arranged on the correcting plate; the male die is accommodated in the male die guiding channel, and the male die is matched with the female die to shear the blank placed on the blank placing position under the striking of the impact block, and then the blank and the sheared material sequentially pass through the material guiding cutting edge channel and the hole. Although the utility model can meet the requirements of shortening the production period of the die, reducing the number of the die, meeting the quality requirements of parts, greatly reducing the production cost and improving the production progress;

however, the technical solutions in the above-mentioned application documents still have disadvantages, such as the die has only one hole punching position, and can only be used for processing a hole position with one hole diameter, and the use has limitations.

Based on this, the utility model designs a thin wall area material hole site die-cut mould with adjustable to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thin wall area material hole site die-cut mould with adjustable to solve above-mentioned mould and only have a die-cut hole site, only can be used for processing the hole site in a aperture, use the problem that has the limitation.

in order to achieve the above object, the utility model provides a following technical scheme: an adjustable thin-wall strip hole site punching die comprises a lower die mounting seat, a lower die, an upper die mounting seat and an upper die, wherein the lower die is adjustably arranged on the lower die mounting seat, the upper die is detachably arranged at the bottom of the upper die mounting seat, and the upper die is positioned above the lower die;

The top of the lower die mounting seat is provided with a lower die mounting groove and a strip limiting groove in a transverse and longitudinal orthogonal mode, the lower die is arranged in the lower die mounting groove and can be adjusted in a sliding mode along the length direction of the lower die mounting groove, and a positioning mechanism used for limiting the position of the lower die is embedded in the middle of one side wall of the lower die mounting groove;

the lower die is of a strip structure matched with the lower die mounting groove, a plurality of strip material abdicating grooves are arranged on the top of the lower die in parallel at equal intervals, punching holes with different hole diameters are formed in the middle of each strip material abdicating groove, positioning grooves with the same number as the punching holes are formed in one side wall of the lower die corresponding to the positioning mechanism, and the positions of the positioning grooves correspond to the positions of the punching holes one to one;

The upper die mounting seat comprises an upper die fixing block, an upper die positioning pressing plate is arranged at the bottom of the upper die fixing block, the upper die positioning pressing plate is in locking connection with the upper die fixing block through bolts uniformly distributed on the circumference and is positioned through pins, the upper die is of a stepped shaft structure, and a positioning stepped hole used for positioning the upper die is formed in the middle of the upper die positioning pressing plate.

preferably, the positioning mechanism comprises a step mounting hole formed in the middle of one side wall of the lower die mounting groove, a step positioning column and a reset spring are arranged in an inner cavity of the step mounting hole, the reset spring is abutted between the step positioning column and a step surface of the step mounting hole, the front end of the step positioning column is of a tip structure matched with a positioning groove, an end cover plate is mounted at the rear side end of the step mounting hole through a screw, a positioning screw used for jacking the step positioning column is screwed at the center of the end cover plate, and a locknut abutted against the end cover plate is screwed on the outer wall of the positioning screw.

Preferably, the inner cavity of the lower die is provided with a chip removal groove along the length direction of the inner cavity, the bottom of the inner cavity of the chip removal groove is provided with a guide slope block, and the middle part of the guide slope block is higher than the two ends.

Preferably, the bottom of the side wall of the lower die extends outwards to form a limiting convex edge, and the bottom of the lower die mounting groove is provided with a convex edge sliding groove matched with the limiting convex edge.

Preferably, the specification number of the upper die is consistent with the number of the punching holes, the upper die mounting seat is fixedly mounted with the upper die of one specification, the small-diameter end of the bottom of the upper die is a punching end, and the diameter of the punching end is matched with one punching hole.

compared with the prior art, the beneficial effects of the utility model are that:

The utility model discloses on lower mould mount pad is located to the lower mould adjustable, the die-cut hole that the aperture size differs is seted up at the lower mould top, and the specification quantity of going up the mould is consistent with the quantity in die-cut hole, during the use, according to the aperture size of required die-cut processing, can adjust the die-cut hole that corresponds the size to lower mould mount pad middle part, trade simultaneously with the last mould that pairs mutually with current die-cut hole, can be used for the hole site processing of the unnecessary aperture size of thin wall area material, the use limitation defect that one set of mould of current cut-out press can only be used for processing a specification hole site has been solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the lower mold mounting seat of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

FIG. 4 is a schematic structural view of the upper mold mounting base of the present invention;

fig. 5 is a schematic structural view of the positioning mechanism of the present invention.

in the drawings, the components represented by the respective reference numerals are listed below:

1-lower die mounting seat, 101-lower die mounting groove, 102-strip limiting groove, 2-lower die, 201-strip abdicating groove, 202-punching hole, 203-positioning groove, 3-upper die mounting seat, 301-upper die fixing block, 302-upper die positioning pressing plate, 303-positioning step hole, 4-upper die, 5-positioning mechanism, 501-step mounting hole, 502-step positioning column, 503-reset spring, 504-end cover plate, 505-positioning screw, 506-locknut, 6-chip groove, 7-guiding slope block, 8-limiting convex edge, 9-convex edge sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an adjustable thin-wall strip hole site punching die comprises a lower die mounting seat 1, a lower die 2, an upper die mounting seat 3 and an upper die 4, wherein the lower die 2 is adjustably arranged on the lower die mounting seat 1, the upper die 4 is detachably arranged at the bottom of the upper die mounting seat 3, and the upper die 4 is positioned above the lower die 2; the top of the lower die mounting seat 1 is provided with a lower die mounting groove 101 and a strip limiting groove 102 in a transverse and longitudinal orthogonal mode, the lower die 2 is arranged in the lower die mounting groove 101 and can be adjusted in a sliding mode along the length direction of the lower die 2, and a positioning mechanism 5 used for limiting the position of the lower die 2 is embedded in the middle of one side wall of the lower die mounting groove 101; the lower die 2 is of a strip structure matched with the lower die mounting groove 101, a plurality of strip material abdicating grooves 201 are arranged on the top of the lower die 2 in parallel at equal intervals, punching holes 202 with different pore diameters are formed in the middle of each strip material abdicating groove 201, positioning grooves 203 with the same number as the punching holes 202 are formed in one side wall of the lower die 2 corresponding to the positioning mechanism 5, and the positions of the positioning grooves 203 correspond to the positions of the punching holes 202 one by one;

The upper die mounting seat 3 comprises an upper die fixing block 301, an upper die positioning pressing plate 302 is arranged at the bottom of the upper die fixing block 301, the upper die positioning pressing plate 302 is in locking connection with the upper die fixing block 301 through circumferentially and uniformly distributed bolts and is positioned through pins, the upper die 4 is of a stepped shaft structure, and a positioning stepped hole 303 used for positioning the upper die 4 is formed in the middle of the upper die positioning pressing plate 302.

Further, the positioning mechanism 5 includes a step mounting hole 501 provided in the middle of a side wall of the lower mold mounting groove 101, a step positioning column 502 and a return spring 503 are provided in an inner cavity of the step mounting hole 501, the return spring 503 abuts between step surfaces of the step positioning column 502 and the step mounting hole 501, a front end of the step positioning column 502 is of a pointed structure matched with the positioning groove 203, an end cover plate 504 is mounted at a rear end of the step mounting hole 501 through a screw, a positioning screw 505 for abutting against the step positioning column 502 is screwed at the center of the end cover plate 504, and a locknut 506 abutting against the end cover plate 504 is screwed on an outer wall of the positioning screw 505.

furthermore, a chip groove 6 is formed in the inner cavity of the lower die 2 in a penetrating mode along the length direction of the inner cavity, a guide slope block 7 is arranged at the bottom of the inner cavity of the chip groove 6, and the middle portion of the guide slope block 7 is higher than the two ends.

Further, lateral wall bottom of lower mould 2 extends to the outside and is provided with spacing protruding edge 8, and the bottom of lower mould mounting groove 101 is provided with and spacing protruding edge 8 matched with protruding edge spout 9.

Furthermore, the specification number of the upper die 4 is consistent with the number of the punching holes 202, the upper die mounting seat 3 is fixedly mounted with the upper die 4 of one specification, the small-diameter end of the bottom of the upper die 4 is a punching end, and the diameter of the punching end is matched with one of the punching holes 202.

One specific application of this embodiment is: the device is an adjustable thin-wall strip hole site punching die, when in use, a lower die mounting seat 1 is mounted on an operation plane of a hydraulic machine, an upper die mounting seat 3 is connected to the tail end of a lifting rod of the hydraulic machine, and an upper die mounting seat 4 is driven by the lifting rod of the hydraulic machine to be pressed down to be matched with a lower die 2 in a shearing manner so as to realize punching processing of a workpiece, particularly; when the aperture size of a hole position to be processed is changed, the punching hole 202 with the corresponding size can be adjusted to the middle part of the lower die mounting seat 1 according to the aperture size to be punched and processed by the aid of an external belt material coiling device and a feeding machine in an intermittent pushing mode, during adjustment, the locknut 506 is unscrewed by a wrench, the positioning screw 505 is withdrawn for a certain distance, the step positioning column 502 is retracted to the inner cavity of the step mounting hole 501 under the elastic action of the reset spring 503 and is separated from the contact with the positioning groove 203, the lower die 2 can freely slide in the lower die mounting groove 101, the punching hole 202 with the corresponding size is adjusted to correspond to the step positioning column 502, the positioning screw 505 is screwed again, the step positioning column 502 is pressed and contacted with the current step positioning column 203 to play a positioning role of the lower die 2, and the locknut 506 is tightened for loosening and reinforcing, and simultaneously, the upper die 4 matched with the current punching hole 202 is used, when the upper die is replaced, the screws on the upper die positioning pressing plate 302 are dismounted, the current upper die 4 is dismounted, the upper die 4 matched with the current punching hole 202 is replaced, the screws are used for locking the upper die 302 again, the upper die 4 is pressed and fixed, and the device can be used for processing hole sites with thin-wall strip materials without the hole diameter.

in the description of the present specification, reference to the description of the terms "embodiment," "example," "specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a die-cut mould in thin wall area material hole site with adjustable, includes lower mould mount pad (1), lower mould (2), goes up mould mount pad (3) and last mould (4), its characterized in that: the lower die (2) is adjustably arranged on the lower die mounting seat (1), the upper die (4) is detachably arranged at the bottom of the upper die mounting seat (3), and the upper die (4) is positioned above the lower die (2);

The top of the lower die mounting seat (1) is provided with a lower die mounting groove (101) and a strip limiting groove (102) in a transverse and longitudinal orthogonal mode, the lower die (2) is arranged in the lower die mounting groove (101) and can be adjusted in a sliding mode along the length direction of the lower die mounting groove, and a positioning mechanism (5) used for limiting the position of the lower die (2) is embedded in the middle of one side wall of the lower die mounting groove (101);

The lower die (2) is of a strip structure matched with the lower die mounting groove (101), a plurality of strip material abdicating grooves (201) are arranged on the top of the lower die (2) in parallel at equal intervals, punching holes (202) with different apertures are formed in the middle of each strip material abdicating groove (201), positioning grooves (203) with the same number as the punching holes (202) are formed in one side wall of the lower die (2) corresponding to the positioning mechanism (5), and the positioning grooves (203) correspond to the punching holes (202) in position one by one;

go up mould mount pad (3) including last mould fixed block (301), the bottom of going up mould fixed block (301) is provided with mould positioning press plate (302), go up mould positioning press plate (302) bolt and last mould fixed block (301) locking connection through the circumference equipartition and fix a position through the pin, it is the step axle construction to go up mould (4), the location step hole (303) that are used for fixing a position last mould (4) are offered at the middle part of last mould positioning press plate (302).

2. the adjustable die-cutting die for thin-wall belt material hole sites as claimed in claim 1, wherein: the positioning mechanism (5) comprises a step mounting hole (501) formed in the middle of one side wall of the lower die mounting groove (101), a step positioning column (502) and a reset spring (503) are arranged in an inner cavity of the step mounting hole (501), the reset spring (503) is abutted between step surfaces of the step positioning column (502) and the step mounting hole (501), the front end of the step positioning column (502) is of a pointed structure matched with the positioning groove (203), an end cover plate (504) is mounted at the rear side end of the step mounting hole (501) through a screw, a positioning screw (505) used for jacking the step positioning column (502) is screwed at the center of the end cover plate (504), and a check nut (506) abutted against the end cover plate (504) is screwed at the outer wall of the positioning screw (505).

3. The adjustable die-cutting die for thin-wall belt material hole sites as claimed in claim 1, wherein: the inner cavity of the lower die (2) is provided with a chip removal groove (6) in a penetrating mode along the length direction of the inner cavity, the bottom of the inner cavity of the chip removal groove (6) is provided with a guide slope block (7), and the middle of the guide slope block (7) is higher than the two ends.

4. The adjustable die-cutting die for thin-wall belt material hole sites as claimed in claim 1, wherein: the lateral wall bottom of lower mould (2) extends to the outside and is provided with spacing protruding edge (8), the bottom of lower mould mounting groove (101) is provided with spacing protruding edge (8) matched with protruding spout (9) along.

5. The adjustable die-cutting die for thin-wall belt material hole sites as claimed in claim 1, wherein: the special die is characterized in that the specification number of the upper die (4) is consistent with the number of the punching holes (202), the upper die mounting seat (3) is fixedly mounted with the upper die (4) of one specification, the bottom small-diameter end of the upper die (4) is a punching end, and the diameter of the punching end is matched with one of the punching holes (202).