CN217142004U

CN217142004U - Mould for improving stamping efficiency of valve plate

Info

Publication number: CN217142004U
Application number: CN202221096405.6U
Authority: CN
Inventors: 牛明前; 朱启武; 朱启文; 朱应连
Original assignee: Hefei Yist Auto Parts Co ltd
Current assignee: Hefei Yist Auto Parts Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-09
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a mould for improving the stamping efficiency of a valve plate, in particular to the field of stamping moulds, which comprises an upper mould and a lower mould, wherein the bottom of the upper mould is provided with an upper pressing plate, the lower part of the upper pressing plate is provided with an upper template, the surface of the lower mould is provided with a lower pressing plate, a plurality of backing plates are arranged above the lower pressing plate, and a lower template is arranged above the backing plates; the surface of the lower template is provided with a lower template cavity corresponding to the upper template cavity, and four corners of the surface of the lower template are provided with a raised limiting rod. The utility model discloses the manufacturing procedure of compressor valve plate in the stamping process has been simplified to promote the efficiency of valve plate processing, improved economic benefits, saved manufacturing cost.

Description

Mould for improving stamping efficiency of valve plate

Technical Field

The utility model relates to a stamping die field, more specifically say, the utility model relates to a promote valve plate stamping efficiency's mould.

Background

Stamping is used as an important production and forming mode of a plurality of parts in the modern production process, has the advantages of convenient forming, low cost, easy batch production and the like, generally, a well-made stamping die is used for ensuring the appearance structure of a final product, and the mode is particularly used for one-time and multiple-time stamping forming of sheet metal parts; for the production of the valve plate of the automobile air-conditioning compressor, the mode is also adopted for production in the prior art. However, the existing valve plate stamping die has certain problems, so that the efficiency of the produced valve plate is low, and the use requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mould for improving the stamping efficiency of a valve plate, which comprises an upper mould and a lower mould, wherein an upper pressing plate is arranged at the bottom of the upper mould, an upper template is arranged below the upper pressing plate, a lower pressing plate is arranged on the surface of the lower mould, a plurality of backing plates are arranged above the lower pressing plate, a lower template is arranged above the backing plates, a raised upper ejector rod is arranged at the four corners of the bottom surface of the upper pressing plate, a raised butt plate is arranged at the middle part of the bottom surface of the upper pressing plate, a limiting hole corresponding to the upper ejector rod is respectively penetrated through the four corners of the upper template, and an upper mould cavity is arranged on the bottom surface of the upper template;

the surface of the lower template is provided with a lower template cavity corresponding to the upper template cavity, and four corners of the surface of the lower template are provided with a raised limiting rod.

In a preferred embodiment, a valve plate shaping cavity is arranged in the upper die cavity, and a plurality of positioning rods are arranged outside the upper die cavity.

In a preferred embodiment, the butt plate is provided with a plurality of upper stamping grooves, a plurality of positioning grooves are formed in the outer sides of the plurality of stamping grooves, the upper ejector rod protrudes outwards for a certain distance, and when the upper die plate is installed below the upper press plate, the upper ejector rod is inserted into the top end of the limiting hole.

In a preferred embodiment, the limiting rod is located right below the limiting hole, and when the upper template is attached to the lower template, the limiting rod is inserted into the bottom end of the limiting hole.

In a preferred embodiment, a plurality of positioning holes are formed in the outer side of the lower die cavity, the positioning holes are located right below the ejector rods, and when the upper die plate and the lower die plate are attached to each other, the positioning rods are inserted into the positioning holes.

In a preferred embodiment, a plurality of lower ejector rods are further provided outside the lower die cavity.

In a preferred embodiment, a sleeve is respectively installed at four corners of the bottom of the upper die, a sleeve rod extending upwards is respectively installed at four corners of the surface of the lower die, and a return spring is sleeved outside the sleeve rod.

The utility model discloses a technological effect and advantage:

the utility model discloses the manufacturing procedure of compressor valve plate in the stamping process has been simplified to promote the efficiency of valve plate processing, improved economic benefits, saved manufacturing cost.

Drawings

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

FIG. 2 is a schematic structural view of the upper pressing plate of the present invention;

FIG. 3 is a schematic structural view of the upper plate portion of the present invention;

fig. 4 is a schematic structural view of a lower template part of the present invention.

Description of reference numerals: the device comprises an upper die 1, a lower die 2, an upper press plate 3, an upper die plate 4, a lower press plate 5, a backing plate 6, a lower die plate 7, an upper ejector rod 8, a butt plate 9, a limiting hole 10, an upper die cavity 11, a lower die cavity 12, a limiting rod 13, a valve plate shaping chamber 14, a positioning rod 15, an upper punching groove 16, a positioning groove 17, a positioning hole 18, a lower ejector rod 19, a sleeve 20, a sleeve 21 and a reset spring 22.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

The die for improving the stamping efficiency of the valve plate as shown in fig. 1-4 comprises an upper die and a lower die, wherein an upper pressing plate is arranged at the bottom of the upper die, an upper die plate is arranged below the upper pressing plate, a lower pressing plate is arranged on the surface of the lower die, a plurality of base plates are arranged above the lower pressing plate, a lower die plate is arranged above the base plates, a raised upper ejector rod is arranged at the four corners of the bottom surface of the upper pressing plate, a raised butt plate is arranged in the middle of the bottom surface of the upper pressing plate, a limiting hole corresponding to the upper ejector rod penetrates through each of the four corners of the upper die plate, an upper die cavity is arranged on the bottom surface of the upper die plate, a lower die cavity corresponding to the upper die cavity is arranged on the surface of the lower die plate, and a raised limiting rod is arranged at the four corners of the surface of the lower die plate;

furthermore, in the using process, a product to be stamped is placed on the lower template, the stamping equipment drives the upper die part to move downwards, the upper die cavity on the upper template and the lower die cavity on the lower template are used for carrying out stamping forming on the product, and after stamping is finished, the upper ejector rod is used for separating the die part, so that the stamped product falls off from the upper template and the lower template.

A valve plate shaping cavity is arranged in the upper die cavity, a plurality of positioning rods are arranged on the outer side of the upper die cavity, a plurality of positioning holes are arranged on the outer side of the lower die cavity and are positioned right below the ejector rod, and when the upper die plate is attached to the lower die plate, the positioning rods are inserted into the positioning holes;

furthermore, in the stamping process, the positioning rod is matched with the positioning hole, so that the stamping precision of the product can be improved, and the forming quality of the valve plate stamping product is improved.

The butt joint plate is provided with a plurality of upper stamping grooves, the outer sides of the stamping grooves are provided with a plurality of positioning grooves, furthermore, the butt joint plate part is connected to the top of the upper template, the butt joint plate part protrudes out of one part of the upper template, the top of the upper template is provided with a sunken groove, the upper template is attached to the butt joint plate part, and the butt joint plate part and the upper template are fixedly connected through screws, positioning grooves and the like.

The upper ejector rod protrudes outwards for a certain distance, when the upper template is installed below the upper pressing plate, the upper ejector rod is inserted at the top end of the limiting hole, the limiting rod is located right below the limiting hole, and when the upper template is attached to the lower template, the limiting rod is inserted at the bottom end of the limiting hole;

furthermore, a plurality of lower ejector rods are arranged on the outer side of the lower die cavity;

after the product punching press is ended, on can utilizing the gag lever post of ejector pin effect on the lower bolster, ejector pin is with valve plate product jack-up under the cooperation simultaneously to separate lower bolster and cope match-plate pattern, make the effectual drawing of patterns of valve plate, simplified the process of punching press valve plate, saved special drawing of patterns operation, reduced to twice process by 3 processes, promoted efficiency, saved manufacturing cost.

The die comprises an upper die and a lower die, and is characterized in that four corners of the bottom of the upper die are respectively provided with a sleeve, four corners of the surface of the lower die are respectively provided with a loop bar extending upwards, a return spring is sleeved outside the loop bar, and the sleeve and the loop bar can limit the position of the upper die plate and the lower die plate during die assembly, so that the error problem during the die assembly process is reduced.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A die for improving the stamping efficiency of a valve plate comprises an upper die and a lower die, wherein an upper pressing plate is arranged at the bottom of the upper die, an upper die plate is arranged below the upper pressing plate, a lower pressing plate is arranged on the surface of the lower die, a plurality of base plates are arranged above the lower pressing plate, and a lower die plate is arranged above the base plates;

2. The die for improving the stamping efficiency of the valve plate as claimed in claim 1, wherein: and a valve plate shaping cavity is arranged in the upper die cavity, and a plurality of positioning rods are arranged on the outer side of the upper die cavity.

3. The die for improving the stamping efficiency of the valve plate as claimed in claim 1, wherein: the butt joint plate is provided with a plurality of upper stamping grooves, the outer sides of the stamping grooves are provided with a plurality of positioning grooves, the upper ejection rod protrudes outwards for a distance, and when the upper template is installed below the upper stamping plate, the upper ejection rod is inserted at the top end of the limiting hole.

4. The die for improving the stamping efficiency of the valve plate as claimed in claim 3, wherein: the limiting rod is located under the limiting hole, and when the upper template is attached to the lower template, the limiting rod is inserted into the bottom end of the limiting hole.

5. The die for improving the stamping efficiency of the valve plate as claimed in claim 2, wherein: the outer side of the lower die cavity is provided with a plurality of positioning holes, the positioning holes are located under the ejector rods, and when the upper die plate is attached to the lower die plate, the positioning rods are inserted into the positioning holes.

6. The die for improving the stamping efficiency of the valve plate as claimed in claim 5, wherein: and a plurality of lower ejector rods are arranged on the outer side of the lower die cavity.

7. The die for improving the stamping efficiency of the valve plate as claimed in claim 1, wherein: the upper die is characterized in that a sleeve is respectively installed at the four corners of the bottom of the upper die, a loop bar extending upwards is respectively installed at the four corners of the surface of the lower die, and a return spring is sleeved outside the loop bar.