CN216828261U

CN216828261U - Hardware stamping die with accurate positioning function

Info

Publication number: CN216828261U
Application number: CN202220300567.0U
Authority: CN
Inventors: 王晓虹
Original assignee: Shenzhen Fusheng Precision Hardware Co ltd
Current assignee: Shenzhen Fusheng Precision Hardware Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-06-28
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a hardware stamping die with accurate positioning function, which relates to the die field and comprises a lower die holder, a lower die, an upper die holder and an upper die, wherein the upper surface of the lower die holder is provided with the lower die, the upper die holder is arranged above the lower die holder, the lower surface of the upper die holder is provided with the upper die, the upper die and the lower die are matched with each other, the corners of the upper surface of the lower die holder are provided with guide cylinders, the corners of the lower surface of the upper die holder are provided with guide posts, the guide posts are spliced with the guide cylinders, the top of each guide cylinder is provided with a mounting groove, the inner cavity of the mounting groove is provided with an oil storage ring, the corners of the upper surface of the lower die are provided with positioning holes, and the corners of the lower surface of the upper die are provided with telescopic holes; this is novel in order to solve stamping die after using a period, takes place wearing and tearing between guide post and the guide cylinder to lead to the compound die precision to reduce, can not in time inform operator's problem after the compound die precision of mould reduces simultaneously.

Description

Hardware stamping die with accurate positioning function

Technical Field

The utility model relates to a mould field specifically relates to a hardware stamping die with accurate positioning function.

Background

The stamping die is a special technological equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping, and is called cold stamping die commonly called cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

After the stamping die is used for a period of time, abrasion occurs between the guide post and the guide cylinder, and meanwhile, an operator cannot be informed in time after the die assembly precision of the die is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the hardware stamping die with the accurate positioning function is provided, and the technical scheme solves the problems that after the stamping die is used for a period of time, abrasion occurs between the guide post and the guide cylinder, and an operator cannot be timely informed after the die assembly precision of the die is reduced.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a hardware stamping die with accurate positioning function, includes die holder, bed die, upper die base and mould, surface mounting has the bed die on the die holder, the die holder top is equipped with the upper die base, upper die base surface mounting has the mould, the mould is mutually supported with the bed die to the upper die base, the guide cylinder is all installed to die holder upper surface edge, guide post is all installed to upper die base lower surface edge, the guide post is pegged graft each other with the guide cylinder, the mounting groove has been seted up at the guide cylinder top, the mounting groove inner chamber is equipped with the oil storage circle, the locating hole has all been seted up to bed die upper surface edge, go up mould lower surface edge and seted up the concertina hole, concertina hole inner chamber top is equipped with pressure switch, the activity of concertina hole is pegged graft and is had the locating lever.

As a preferred technical scheme of the utility model, guide cylinder outer wall top is equipped with the fixing base, the fixing base upper surface is equipped with the oil storage bucket, the oil storage bucket link up with the mounting groove through the pipeline and links to each other.

As an optimized technical scheme of the utility model, the guide cylinder inner chamber is equipped with supporting spring.

As an optimized technical scheme of the utility model, the flexible hole inner chamber is equipped with reset spring.

As an optimal technical scheme of the utility model, locating hole top surface activity is equipped with the fat liquoring cotton, the cotton internal diameter of fat liquoring is the same with the locating lever external diameter.

As a preferred technical scheme of the utility model, the locating lever links to each other with the locating hole is pegged graft, and clearance fit between locating lever and the locating hole.

Compared with the prior art, the beneficial effects of the utility model reside in that: the inner wall of the oil storage barrel is connected with the mounting groove in a penetrating way through the pipeline, lubricating oil in the oil storage barrel can flow into the mounting groove through the pipeline under the action of gravity, an oil storage ring is arranged in the mounting groove and can absorb the lubricating oil in the mounting groove, when the guide post is lifted, the lubricating oil can be coated on the surface of the guide post by the oil storage ring, so that the lubricating property of the surface of the guide post is increased, the abrasion between the guide post and the guide cylinder is reduced, the die is enabled to always keep the best accuracy, the positioning rod in the telescopic hole after the upper die and the lower die are closed is inserted into the positioning hole, the positioning rod is inclined after the closing accuracy of the upper die and the lower die is reduced, so that the positioning rod cannot be inserted into the positioning hole when the upper die and the lower die are closed, the positioning rod is retracted into the telescopic hole under the support of the lower die, the positioning rod is in clearance fit with the positioning hole, the inserting accuracy is high, even if a point of deviation is generated, the positioning rod and the positioning hole can not be inserted, and the accuracy of the mold in mold closing can be further improved.

Drawings

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

FIG. 2 is a schematic sectional view of the guide cylinder of the present invention;

FIG. 3 is a schematic cross-sectional view of the positioning rod of the present invention;

fig. 4 is a schematic sectional view of the oil storage barrel of the present invention.

The reference numbers in the figures are:

1. a lower die holder; 101. a lower die; 102. an upper die holder; 103. an upper die;

2. a guide cylinder; 201. a guide post; 202. a support spring; 203. mounting grooves; 204. an oil storage ring;

3. an oil storage barrel; 301. a fixed seat;

4. positioning holes; 401. oiling cotton; 402. a telescopic hole; 403. a return spring; 404. a pressure switch; 405. And (7) positioning the rod.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-4, a hardware stamping die with accurate positioning function comprises a lower die holder 1, a lower die 101, an upper die holder 102 and an upper die 103, wherein the lower die 101 is mounted on the upper surface of the lower die holder 1, the upper die holder 102 is arranged above the lower die holder 1, the upper die 103 is mounted on the lower surface of the upper die holder 102, the upper die 103 is matched with the lower die 101, guide cylinders 2 are mounted at the corners of the upper surface of the lower die holder 1, guide posts 201 are mounted at the corners of the lower surface of the upper die holder 102, the guide posts 201 are inserted into the guide cylinders 2, a mounting groove 203 is formed in the top of the guide cylinder 2, an oil storage ring 204 is arranged in the inner cavity of the mounting groove 203, positioning holes 4 are formed at the corners of the upper surface of the lower die 101, a telescopic hole 402 is formed at the corners of the lower surface of the upper die 103, a pressure switch 404 is arranged at the top of the inner cavity of the telescopic hole 402, and a positioning rod 405 is movably inserted into the inner cavity of the telescopic hole 402, the top of the outer wall of the guide cylinder 2 is provided with a fixed seat 301, the upper surface of the fixed seat 301 is provided with an oil storage barrel 3, the oil storage barrel 3 is communicated with the mounting groove 203 through a pipeline, the inner cavity of the guide cylinder 2 is provided with a supporting spring 202, the lower die holder 1 and the upper die holder 102 are respectively connected with a punching machine, a blank is placed on the surface of the lower die 101, the punching machine drives the upper die 103 to descend, the blank is extruded through the upper die 103 and the lower die 101, so that the blank can be quickly punched and formed, the guide column 201 is inserted into the guide cylinder 2 when the upper die holder 102 descends, the guide column 201 and the guide cylinder 2 are inserted into each other to play a guiding role for the upper die holder 102, the die assembly precision between the upper die 103 and the lower die 101 can be improved, the guide column 201 is supported through the supporting spring 202 in the guide cylinder 2 after punching is finished, so that the upper die holder 102 can be quickly reset, the top of the outer wall of the guide cylinder 2 is provided with the oil storage barrel 3 through the fixed seat 301, the inner wall of the oil storage barrel 3 is connected with the mounting groove 203 in a penetrating way through a pipeline, lubricating oil in the oil storage barrel 3 can flow into the mounting groove 203 through the pipeline under the action of gravity, an oil storage ring 204 is arranged in the mounting groove 203, the lubricating oil in the mounting groove 203 can be absorbed by the oil storage ring 204, when the guide post 201 goes up and down, the lubricating oil can be coated on the surface of the guide post 201 by the oil storage ring 204, so that the lubricity of the surface of the guide post 201 is increased, the abrasion between the guide post 201 and the guide cylinder 2 is reduced, the best accuracy of the die is always kept, a positioning rod 405 in a telescopic hole 402 is inserted into a positioning hole 4 after the upper die 103 and the lower die 101 are assembled, the positioning rod 405 is inclined after the assembly accuracy of the upper die 103 and the lower die 101 is reduced, so that the positioning rod 405 is not inserted into the positioning hole 4 when the upper die 103 and the lower die 101 are assembled, the positioning rod 405 is retracted into the telescopic hole 402 under the support of the lower die 101, the top of the inner cavity of the telescopic hole 402 is provided with a pressure switch 404, the positioning rod 405 retracts into the telescopic hole 402, the top of the positioning rod 405 extrudes the pressure switch 404, and an external alarm device controlled by the pressure switch 404 buzzes, so that an operator is promoted to adjust the mold, and the accuracy of the mold in mold closing can be further improved.

Referring to fig. 4, the inner cavity of the telescopic hole 402 is provided with a return spring 403, the top surface of the positioning hole 4 is movably provided with oil-coated cotton 401, the inner diameter of the oil-coated cotton 401 is the same as the outer diameter of the positioning rod 405, the positioning rod 405 is connected with the positioning hole 4 in an inserting manner, the positioning rod 405 is in clearance fit with the positioning hole 4, the upper die 103 can be reset under the support of the return spring 403 after being lifted, the oil-coated cotton 401 can be used for coating lubricating oil on the surface of the positioning rod 405, the abrasion between the positioning rod 405 and the positioning hole 4 can be reduced, the positioning rod 405 is in clearance fit with the positioning hole 4, the inserting accuracy is high, even if a point deviation is generated, the positioning rod 405 cannot be inserted into the positioning hole 4.

The working principle is as follows: the lower die holder 1 and the upper die holder 102 are respectively connected with a punching machine, a blank is placed on the surface of the lower die 101, the punching machine drives the upper die 103 to descend, the blank is extruded through the upper die 103 and the lower die 101, so that the rapid punch forming of the blank can be realized, the guide post 201 is inserted into the guide cylinder 2 when the upper die holder 102 descends, the guide post 201 and the guide cylinder 2 are inserted into each other to guide the upper die holder 102, the die assembly precision between the upper die 103 and the lower die 101 can be improved, lubricating oil in the oil storage barrel 3 can flow into the installation groove 203 through a pipeline under the action of gravity, the oil storage ring 204 can absorb the lubricating oil in the installation groove 203, when the guide post 201 ascends and descends, the oil storage ring 204 can smear the lubricating oil on the surface of the guide post 201, so that the lubricating property of the surface of the guide post 201 is increased, and the abrasion between the guide post 201 and the guide cylinder 2 is reduced, thus keeping the mould always at the best accuracy.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hardware stamping die with accurate positioning function, includes die holder (1), bed die (101), upper die base (102) and mould (103), its characterized in that: the upper surface of the lower die holder (1) is provided with a lower die (101), an upper die holder (102) is arranged above the lower die holder (1), an upper die (103) is arranged on the lower surface of the upper die holder (102), the upper die (103) is matched with the lower die (101), guide cylinders (2) are arranged at the corners of the upper surface of the lower die holder (1), guide columns (201) are arranged at the corners of the lower surface of the upper die holder (102), the guide columns (201) are inserted into the guide cylinders (2), a mounting groove (203) is formed in the top of each guide cylinder (2), an oil storage ring (204) is arranged in the inner cavity of each mounting groove (203), positioning holes (4) are formed in the corners of the upper surface of the lower die (101), telescopic holes (402) are formed in the corners of the lower surface of the upper die (103), and a pressure switch (404) is arranged at the top of the inner cavity of each telescopic hole (402), the inner cavity of the telescopic hole (402) is movably inserted with a positioning rod (405).

2. The hardware stamping die with the accurate positioning function as claimed in claim 1, wherein: guide cylinder (2) outer wall top is equipped with fixing base (301), fixing base (301) upper surface is equipped with oil storage bucket (3), oil storage bucket (3) link up with mounting groove (203) through the pipeline and link to each other.

3. The hardware stamping die with the accurate positioning function as claimed in claim 1, wherein: and a supporting spring (202) is arranged in the inner cavity of the guide cylinder (2).

4. The hardware stamping die with the accurate positioning function as claimed in claim 1, wherein: and a return spring (403) is arranged in the inner cavity of the telescopic hole (402).

5. The hardware stamping die with the accurate positioning function as claimed in claim 1, wherein: the positioning device is characterized in that the top surface of the positioning hole (4) is movably provided with oil cotton (401), and the inner diameter of the oil cotton (401) is the same as the outer diameter of the positioning rod (405).

6. The hardware stamping die with the accurate positioning function as claimed in claim 1, wherein: the positioning rod (405) is connected with the positioning hole (4) in an inserting mode, and the positioning rod (405) is in clearance fit with the positioning hole (4).