CN213701350U

CN213701350U - Disc spring forming die

Info

Publication number: CN213701350U
Application number: CN202022554103.6U
Authority: CN
Inventors: 吴产波; 韩先进
Original assignee: Changzhou Xikede Spring Co ltd
Current assignee: Changzhou Xikede Spring Co ltd
Priority date: 2020-11-08
Filing date: 2020-11-08
Publication date: 2021-07-16
Anticipated expiration: 2030-11-08

Abstract

The utility model relates to the technical field of disc spring molds, in particular to a disc spring forming mold, which comprises an upper forming mold, wherein a reserved groove is arranged at the center of the end part of the upper forming mold, a lower forming mold is arranged below the upper forming mold, a cushion block is arranged at the bottom of the lower forming mold, a screw groove is arranged at the center of the cushion block, a positioning core groove is arranged at the center of the inner part of the lower forming mold and corresponds to the screw groove, a screw is arranged in the screw groove, one end of the screw extends upwards to the inner part of the positioning core groove, a spring is arranged in the positioning core groove and is positioned at the center of the end surface of the cushion block, the spring is sleeved on the screw, the disc spring blank is fastened in situ by an elastic positioning core arranged in the utility model to prevent the position change, and the loss of the disc spring blank is, therefore, the problem that the existing die is not stable enough in spring fixing is solved, and the yield of the disc spring is increased in a phase change manner.

Description

Disc spring forming die

Technical Field

The utility model relates to a belleville spring mould technical field specifically is a belleville spring forming die.

Background

The disc spring is used as a basic part in mechanical equipment, is applied to many fields in modern industry, and particularly has more and more requirements on the disc spring device in the fields of mechanical industry, railway industry, building industry, nuclear power industry and the like; when current belleville spring shaping, need put into the mould that has the tapering with flat pad, the shaping is certain tapering under the pressure effect, because belleville spring keeps flat and lacks the guide effect on having the tapering mould, the parallel degree of the upper and lower surface when different work piece flat pads are placed on forming die differs great, and the upper and lower surface parallel degree that corresponds behind the shaping of different belleville spring differs great, and belleville spring geometric dimensions and the uniformity of power value characteristic are relatively poor.

There is therefore a need for a belleville spring forming die that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a belleville spring forming die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a disc spring forming die comprises an upper forming die, wherein a reserved groove is formed in the center of the end of the upper forming die, a lower forming die is arranged below the upper forming die, a cushion block is arranged at the bottom of the lower forming die, a screw groove is arranged at the center of the cushion block, a positioning core groove is arranged at the inner center of the lower molding die and corresponds to the screw groove, a screw is arranged in the screw groove, one end of the screw extends upwards to the inside of the positioning core groove, a spring is arranged in the positioning core groove and at the center of the end face of the cushion block, the spring is sleeved on the screw, the end part of the screw and the end surface of the spring are connected with a positioning core connecting block, the end part of the positioning core connecting block is provided with an elastic positioning core, and a disc spring blank is correspondingly arranged between the upper forming die and the lower forming die.

Preferably, the inner diameter of the reserved groove is matched with the outer diameter of the elastic positioning core.

Preferably, the end of the lower forming die is conical, and the center of the bottom of the upper forming die corresponds to the end of the lower forming die.

Preferably, the inner diameter of the opening at the end part of the lower forming die is matched with the outer diameter of the elastic positioning core.

Preferably, the outer diameter of the positioning core connecting block is larger than the inner diameter of the opening at the end part of the lower forming die, and the end part of the positioning core connecting block is conical and corresponds to the opening at the end part of the lower forming die.

Preferably, the connection mode between the screw and the positioning core connecting block is a threaded connection.

Preferably, the outer diameter of the positioning core connecting block corresponds to the inner diameter of the lower forming die and the positioning core connecting block is connected in a sliding mode.

Preferably, the spring may be one of a disc spring set, a die spring, a coil spring or a rubber spring.

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

1. the utility model discloses in, through the elastic positioning core that sets up with the fastening of belleville spring blank in its position change of prevention in situ, reduced the loss of belleville spring blank to the fixed not stable enough problem of current mould spring has been solved, thereby the output that the looks increased belleville spring has become.

Drawings

FIG. 1 is an overall front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an exploded view of a part of the structure of the present invention.

In the figure: 1-forming an upper die, 2-reserving grooves, 3-forming a lower die, 4-cushion blocks, 5-screw grooves, 6-positioning core grooves, 7-screws, 8-springs, 9-positioning core connecting blocks, 10-elastic positioning cores and 11-disc spring blanks.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a belleville spring forming die, mould 1 in the shaping, reserve groove 2 has been seted up to tip center department of mould 1 in the shaping, the below of mould 1 is equipped with shaping lower mould 3 in the shaping, the bottom of shaping lower mould 3 is equipped with cushion 4, screw recess 5 has been seted up to the center department of cushion 4, the inside center department of shaping lower mould 3 and with the corresponding positioning core recess 6 of having seted up of screw recess 5, the inside of screw recess 5 is equipped with screw 7, the one end of screw 7 upwards extends to the inside of positioning core recess 6, the inside of positioning core recess 6 is equipped with spring 8 and the terminal surface center department that is located cushion 4, spring 8 cup joints on screw 7, the tip of screw 7 is and the terminal surface that is located spring 8 is connected with positioning core connecting block 9, the tip of positioning core connecting block 9 is equipped with elastic positioning core 10, the corresponding belleville spring blank.

The utility model discloses work flow: during the use keep flat belleville spring blank 11 to 3 terminal surfaces of shaping lower mould to make belleville spring blank 11's central opening part and elastic positioning core 10 joint, make belleville spring blank 11 fixed, go up mould 1 with the shaping and push down messenger belleville spring shaping, mould 1 lifts up on the shaping after the belleville spring shaping, under the outside diameter of location core connecting block 9 and shaping lower mould 3's connected mode be sliding connection's effect, spring 8 through the setting pops out the belleville spring after the shaping, as figure 1, the utility model discloses in through the elastic positioning core that sets up with belleville spring blank fastening in situ prevent its position change, reduced the loss of belleville spring blank, thereby solved the fixed not stable problem inadequately of current mould spring, thereby become to increase belleville spring's output mutually.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a belleville spring forming die, includes mould (1) in the shaping, its characterized in that: the forming die is characterized in that a reserved groove (2) is formed in the center of the end of the upper forming die (1), a lower forming die (3) is arranged below the upper forming die (1), a cushion block (4) is arranged at the bottom of the lower forming die (3), a screw groove (5) is formed in the center of the cushion block (4), a positioning core groove (6) is formed in the center of the inner portion of the lower forming die (3) and corresponds to the screw groove (5), a screw (7) is arranged in the screw groove (5), one end of the screw (7) extends upwards to the inner portion of the positioning core groove (6), a spring (8) is arranged in the positioning core groove (6) and is positioned in the center of the end face of the cushion block (4), the spring (8) is sleeved on the screw (7), and the end face of the end of the screw (7) and positioned in the spring (8) is connected with a positioning core, the end of the positioning core connecting block (9) is provided with an elastic positioning core (10), and a disc spring blank (11) is correspondingly arranged between the upper forming die (1) and the lower forming die (3).

2. The die for forming a disc spring according to claim 1, wherein: the inner diameter of the reserved groove (2) is matched with the outer diameter of the elastic positioning core (10).

3. The die for forming a disc spring according to claim 1, wherein: the end part of the lower forming die (3) is conical, and the center of the bottom of the upper forming die (1) corresponds to the end part of the lower forming die (3).

4. The die for forming a disc spring according to claim 1, wherein: the inner diameter of the opening at the end part of the lower forming die (3) is matched with the outer diameter of the elastic positioning core (10).

5. The die for forming a disc spring according to claim 1, wherein: the outer diameter of the positioning core connecting block (9) is larger than the inner diameter of an opening at the end part of the lower molding die (3), and the end part of the positioning core connecting block (9) is conical and corresponds to the opening at the end part of the lower molding die (3).

6. The die for forming a disc spring according to claim 1, wherein: the screw (7) and the positioning core connecting block (9) are connected in a threaded manner.

7. The die for forming a disc spring according to claim 1, wherein: the outer diameter of the positioning core connecting block (9) corresponds to the inner diameter of the lower molding die (3) and the connecting mode between the positioning core connecting block and the lower molding die is sliding connection.

8. The die for forming a disc spring according to claim 1, wherein: the spring (8) can adopt one of a disc spring group, a die spring, a spiral spring or a rubber spring.