CN213968808U

CN213968808U - Spring hot-pressing device

Info

Publication number: CN213968808U
Application number: CN202023059306.4U
Authority: CN
Inventors: 杨玲春
Original assignee: Sichuan Hangqing Machinery Manufacturing Co ltd
Current assignee: Sichuan Hangqing Machinery Manufacturing Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-17
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a hot pressure device of spring belongs to spring processing technology field. A spring thermal stressing device comprising: the heat insulation plate, the bottom plate, the backing plate, the spring fixing plate and the movable plate are sequentially arranged from bottom to top; the bottom plate is provided with a guide pillar, the top end of the guide pillar penetrates through the movable plate and is spirally connected with a screwing piece, the guide pillar is sleeved with a compression spring, and two ends of the compression spring are respectively contacted with the bottom plate and the movable plate; the middle part of the backing plate is provided with a placing groove, and a heating sheet is placed in the placing groove. The utility model discloses be used for placing the spring of treating the high pressure between spring fixed plate and the fly leaf, heat through the heating plate that sets up in the backing plate to through revolving the cooperation of twisting between piece and the guide pillar, make the distance between spring fixed plate and the fly leaf reduce, thereby realize treating the spring of high pressure and carry out the high pressure at high temperature environment, the spring after the high pressure satisfies the working characteristic under high temperature environment.

Description

Spring hot-pressing device

Technical Field

The utility model relates to a spring processing technology field, concretely relates to hot forced compression device of spring.

Background

In application, the spring needs to maintain stable elastic performance for a long time, and the change of the geometric dimension of the spring is required to be small. The prior art is to perform strong pressure treatment on the spring at normal temperature so as to stabilize the performance of the spring. However, the spring subjected to the high-pressure treatment by the existing process still cannot meet the working characteristics of the spring in a high-temperature environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot pressure device of spring to solve the problem that current spring can't satisfy the working property under high temperature environment.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a spring thermal stressing device comprising: the heat insulation plate, the bottom plate, the backing plate, the spring fixing plate and the movable plate are sequentially arranged from bottom to top; the bottom plate is provided with a guide pillar, the top end of the guide pillar penetrates through the movable plate and is spirally connected with a screwing piece, the guide pillar is sleeved with a compression spring, and two ends of the compression spring are respectively contacted with the bottom plate and the movable plate; the middle part of the backing plate is provided with a placing groove, and a heating sheet is placed in the placing groove.

The utility model discloses be used for placing the spring of treating the high pressure between spring fixed plate and the fly leaf, heat through the heating plate that sets up in the backing plate to through revolving the cooperation of twisting between piece and the guide pillar, make the distance between spring fixed plate and the fly leaf reduce, thereby realize treating the spring of high pressure and carry out the high pressure at high temperature environment, the spring after the high pressure satisfies the working characteristic under high temperature environment.

The utility model discloses a compression spring supports the fly leaf for certain clearance has between keeping spring fixed plate and the fly leaf, can also revolve when twisting the piece, balanced some pressure avoids treating the spring excessive pressure emergence circumstances such as inefficacy of forced compression.

Furthermore, the bottom plate is provided with a positioning pin which is contacted with the side walls of the base plate and the spring fixing plate.

The utility model discloses a locating pin is used for fixing a position backing plate and spring fixed plate, avoids taking place the dislocation under the effect of pressure, and simultaneously, spring fixed plate does not need extra connected mode, and spring fixed plate's dismantlement is swift with the installation, avoids operating under high temperature for a long time.

Furthermore, the positioning pins are positioned on two adjacent side walls of the backing plate and the spring fixing plate and are contacted with each other.

The utility model discloses carry on spacingly to the adjacent both sides wall of spring fixed plate, the removal of the spring fixed plate of being convenient for more.

Further, the bottom plate is fixedly connected with the backing plate.

Furthermore, a gap is formed between the spring fixing plate and the movable plate.

Further, a plurality of spring placing holes are formed in the top of the spring fixing plate.

The utility model discloses a hole is placed to the spring treats that the forced compression spring has limiting displacement, avoids the spring to pop out under the effect of pressure.

Furthermore, a handle is arranged on the edge of the spring fixing plate.

The utility model discloses a handle is convenient for remove the operation to spring fixed plate, excessively is close the heating plate and leads to scalding when avoiding removing.

Further, the guide post is a hexagon socket head cap screw; the bottom of the bottom plate is provided with a limiting groove matched with the head of the guide pillar, and the tail of the guide pillar bolt penetrates through the bottom plate.

The utility model discloses a guide pillar when the installation, runs through the bottom plate from the bottom of bottom plate, and the bolt head of guide pillar is arranged in the spacing groove, and the guide pillar is quick, convenient with being connected of bottom plate, can also avoid interfering the contact between bottom plate and the heat-insulating shield.

The utility model discloses following beneficial effect has:

(1) the utility model discloses a spring that the forced compression was treated to the heating plate heats, realizes the forced compression operation through the guide pillar and the rotatory cooperation of twisting between the piece soon to the spring that the realization was treated the forced compression carries out the forced compression at high temperature environment, and the spring after the forced compression satisfies the working property under high temperature environment.

(2) The utility model discloses an easy operation such as spring fixing plate removes, swift, avoids operating personnel to operate and the scald that leads to under high temperature for a long time.

Drawings

Fig. 1 is a schematic structural view of a spring hot-pressing device of the present invention;

fig. 2 is a schematic structural view of the backing plate of the present invention;

fig. 3 is a schematic view of the connection between the bottom plate, the backing plate and the spring fixing plate of the present invention.

In the figure: 10-a thermal insulation plate; 20-a base plate; 21-guide pillars; 22-a screw; 23-a compression spring; 24-a locating pin; 25-a limit groove; 30-a backing plate; 31-a placement groove; 32-a heating plate; 40-spring fixing plate; 41-spring placing hole; 42-a handle; 50-moving plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1, a spring thermal compression apparatus includes: the heat insulation plate 10, the bottom plate 20, the backing plate 30, the spring fixing plate 40 and the movable plate 50 are sequentially arranged from bottom to top. The base plate 20 is placed on the heat insulating plate 10, the base plate 20 is connected to the pad plate 30 by bolts, the spring fixing plate 40 is placed on the pad plate 30, and a gap is formed between the movable plate 50 and the spring fixing plate 40.

Guide posts 21 are respectively arranged at four corners of the bottom plate 20, one end of each guide post 21 is connected with the bottom plate 20, the other end of each guide post 21 penetrates through the movable plate 50 and is spirally connected with a screwing piece 22, a compression spring 23 is sleeved outside each guide post 21, two ends of each compression spring 23 are respectively contacted with the bottom plate 20 and the movable plate 50, and a gap is ensured between the movable plate 50 and the spring fixing plate 40 through the support of the compression spring 23.

In the embodiment, the guide post 21 is a socket head cap screw, the screwing member 22 is a nut, the bottom of the bottom plate 20 is provided with a limiting groove 25, the guide post 21 penetrates through the bottom plate 20 from the bottom of the bottom plate 20, the head of the guide post 21 is located in the limiting groove 25, and the tail of the guide post 21 penetrates through the movable plate 50 and is in threaded connection with the screwing member 22. Preferably, the bolt head of the guide post 21 is also in contact with the insulation panel 10, in which case the guide post 21 can be better restrained.

Referring to fig. 2, the backing plate 30 is provided with a disposition groove 31, the disposition groove 31 penetrates through the corresponding two ends of the backing plate 30, and a space formed between the disposition groove 31 and the spring fixing plate 40 is used for disposing the heating plate 32 and facilitating the lead of the heating plate 32 to pass through.

Referring to fig. 1 and 3, the bottom plate 20 is vertically provided with positioning pins 24, the number of the positioning pins 24 is 2, 2 positioning pins 24 are respectively in contact with two adjacent sides of the backing plate 30, and simultaneously, 2 positioning pins 24 are also respectively in contact with two adjacent sides of the spring fixing plate 40. Because the spring fixing plate 40 only contacts with the backing plate 30, the spring fixing plate 40 can be accurately placed conveniently through the limiting of the 2 positioning pins 24. In other embodiments of the present invention, the number of the positioning pins 24 may also be 3 or 4, and the positioning pins 24 may contact at least two adjacent sides of the spring fixing plate 40, i.e. may also contact three sides or 4 sides of the spring fixing plate 40. In the present embodiment, after the position is limited by the positioning pin 24, the edge of the backing plate 30 coincides with the edge of the spring fixing plate 40.

The spring fixing plate 40 is provided at the top thereof with a plurality of spring receiving holes 41 for receiving springs to be forcibly compressed. An elongated handle 42 is provided at one side of the spring retaining plate 40 to protect the operator from being scalded. In the present embodiment, the extending direction of the handle 42 coincides with the extending direction of the seating groove 31.

The utility model discloses a spring heat is forced and is pressed device's use: (1) a spring to be forcibly pressed is placed in the spring placing hole 41; (2) a handle 42 is held by hand, the spring fixing plate 40 is placed on the backing plate 30, and the two adjacent side surfaces of the spring fixing plate 40 are respectively contacted with the 2 positioning pins 24; (3) starting the heating sheet 32 to preheat the spring to be forcibly pressed; (4) the screw 22 is rotated to compress the spring to be forcibly pressed by the movable plate 50.

Obviously, in other use processes, preheating and compression can also be performed simultaneously.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A spring hot-pressing device is characterized by comprising: the heat insulation plate (10), the bottom plate (20), the backing plate (30), the spring fixing plate (40) and the movable plate (50) are sequentially arranged from bottom to top; the bottom plate (20) is provided with a guide post (21), the top end of the guide post (21) penetrates through the movable plate (50) and is spirally connected with a screwing piece (22), the guide post (21) is sleeved with a compression spring (23), and two ends of the compression spring (23) are respectively contacted with the bottom plate (20) and the movable plate (50); the middle part of the backing plate (30) is provided with a placing groove (31), and a heating sheet (32) is placed in the placing groove (31).

2. A spring hot-pressing apparatus according to claim 1, wherein said base plate (20) is provided with positioning pins (24), said positioning pins (24) being in contact with said pad plate (30) and side walls of said spring fixing plate (40).

3. The spring thermal stressing device according to claim 2, wherein the positioning pin (24) is located in contact with both adjacent side walls of the shim plate (30) and the spring retaining plate (40).

4. A spring hot runner according to claim 3, wherein the base plate (20) is fixedly connected to the shim plate (30).

5. A spring thermal stress device according to claim 1, characterized in that there is a gap between said spring fixed plate (40) and said movable plate (50).

6. A spring thermal stress device according to claim 5, characterized in that the top of said spring fixing plate (40) is provided with a plurality of spring placing holes (41).

7. A spring thermal stressing device according to claim 6, wherein the edge of the spring retaining plate (40) is provided with a handle (42).

8. A spring hot-pressing device according to any one of claims 1 to 7, characterized in that the guide post (21) is a hexagon socket head cap screw; the screwing piece (22) is a screw cap; the bottom of the bottom plate (20) is provided with a limiting groove (25) matched with the head of the bolt of the guide pillar (21), and the tail of the bolt of the guide pillar (21) penetrates through the bottom plate (20).