CN217977659U - Pressure relief device of cold isostatic press for contact production - Google Patents

Abstract

The utility model discloses a pressure relief device of cold isostatic press is used in contact production, including the cold isostatic press body, the lateral wall fixedly connected with backup pad of cold isostatic press body, the upper end fixedly connected with cylinder of backup pad, the flexible end fixed connection of cylinder rotates the base, be equipped with the connecting rod on the rotating base, the lateral wall of cold isostatic press body is equipped with the relief valve, the valve rod of connecting rod fixed connection relief valve. The utility model discloses a set up the cylinder, rotate the base, connecting rod and relief valve, threaded rod isotructure, drive with the help of the flexible of cylinder and rotate base and connecting rod rotation, open and close the pressure release valve through the connecting rod and control to drive the threaded rod with the help of the motor and rotate, cooperate through the internal thread in the cover and the threaded rod and drive down the position that the clamp ring is close to the clamp ring, thereby realize to the inside pressure boost and pressurize in to the reinforcing leakproofness in the relief valve outside, improve the convenience of whole operation.

Description

Pressure relief device of cold isostatic press for contact production

Technical Field

The utility model relates to a cold isostatic press technical field especially relates to a pressure relief device of cold isostatic press is used in contact production.

Background

The cold isostatic press is to place the material in sealed elastic mold into container with liquid or gas, apply certain pressure to the material with liquid or gas, press the material into solid body and obtain blank in original shape. And after the pressure is released, taking the die out of the container, demolding, and further shaping the blank body according to requirements.

During the cold isostatic press adds man-hour to the work piece in prior art, need exert pressure through liquid or gas before the processing, it is taking out the work piece to have processed to have carried out the pressure release, some of tradition adopt opening and closing of hydraulic oil or atmospheric pressure propulsive mode control hydrovalve, it is often comparatively complicated to open and close the process, gas velocity is very fast when directly opening and closing with hydraulic oil or cylinder and can appear the pressure release, the combustion gas pressure is great, and the leakproofness can appear not strong in the position that cold isostatic press is connected with pressure applying device in the in-process of pressure boost and pressurize, lead to exerting pressure occasionally gaseous hourglass, can cause the influence to pressure boost and pressurize process and cause danger to operating personnel simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure relief device of a cold isostatic press for contact production.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a pressure relief device of cold isostatic press for contact production, includes the cold isostatic press body, the lateral wall fixedly connected with backup pad of cold isostatic press body, the upper end fixedly connected with cylinder of backup pad, the flexible end fixed connection of cylinder rotates the base, be equipped with the connecting rod on the rotation base, the lateral wall of cold isostatic press body is equipped with the relief valve, the valve rod of connecting rod fixed connection relief valve, be equipped with the control mechanism who opens and close the relief valve on the connecting rod, the lateral wall of cold isostatic press body is seted up flutedly, be equipped with the threaded rod in the recess, the outer wall of threaded rod is equipped with the sleeve pipe, be equipped with the limiting plate in the recess, the sleeve pipe runs through the limiting plate, the intraductal coupling mechanism who removes the in-process and is connected with the threaded rod that is equipped with, be equipped with the actuating mechanism who rotates screw rod drive in the recess, the relief valve outer wall is equipped with the clamp ring, be equipped with the clamping mechanism who cooperates the joint with last clamp ring on the threaded rod.

Preferably, the control mechanism comprises a bearing plate fixedly connected to the side wall of the cold isostatic press body, a connecting groove is formed in the bearing plate, and a valve rod of the pressure release valve and the connecting rod are both rotated in the connecting groove.

Preferably, the connecting mechanism comprises a screw thread arranged on the inner side wall of the sleeve, and the screw rod is in threaded connection with the sleeve.

Preferably, the driving mechanism comprises a motor fixedly connected to the bottom in the groove, and an output shaft of the motor is fixedly connected with the threaded rod.

Preferably, the clamping mechanism includes the lower clamp ring of fixed connection at the sleeve pipe tip, two draw-in grooves have been seted up to the lateral wall of clamp ring down, two fixture blocks corresponding with the draw-in groove of the lateral wall fixedly connected with of going up the clamp ring, the cover is equipped with the sealing washer on the valve rod lateral wall, sealing washer fixed connection is on the relative lateral wall of last clamp ring and lower clamp ring.

Preferably, a waist groove is formed in the connecting rod, a rotating shaft penetrates through the side wall of the rotating base, and the rotating shaft is connected in the waist groove in a rolling mode.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up the cylinder, rotating the base, connecting rod and relief valve, threaded rod isotructure, drive with the help of the flexible of cylinder and rotate base and connecting rod rotation, open and close through the connecting rod to the relief valve and control to drive the threaded rod with the help of the motor and rotate, cooperate through the internal thread in the cover and the threaded rod and drive down the position that the clamp ring is close to last clamp ring, thereby realize to the outside reinforcing leakproofness of relief valve when inside pressure boost and pressurize, improve the convenience of overall operation.

2. Through setting up clamp ring and clamp ring isotructure down, it is corresponding with lower clamp ring with the help of last clamp ring to carry out the joint through fixture block and draw-in groove, go up the clamp ring and realize the deformation of sealing washer with the mode of clamp ring extrusion each other down, reach the effect that promotes sealed effect through the sealed mode of deformation.

Drawings

Fig. 1 is a schematic view of a pressure relief device of a cold isostatic press for producing contacts according to the present invention;

fig. 2 is a schematic view of a cylinder structure of a pressure relief device of a cold isostatic press for contact production according to the present invention;

fig. 3 is the utility model provides an upper clamp ring and lower clamp ring structure sketch map of pressure relief device of cold isostatic press for contact production.

In the figure: 1 cold isostatic press body, 2 backup pads, 3 cylinders, 4 rotating bases, 5 connecting rods, 6 bearing plates, 7 pressure relief valves, 8 grooves, 9 motors, 10 limiting plates, 11 sleeves, 12 internal threads, 13 threaded rods, 14 upper clamping rings, 15 lower clamping rings, 16 clamping grooves and 17 waist grooves.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

Referring to fig. 1-3, a pressure relief device of cold isostatic press for contact production, including cold isostatic press body 1, the lateral wall fixedly connected with backup pad 2 of cold isostatic press body 1, the upper end fixedly connected with cylinder 3 of backup pad 2, the flexible end fixed connection rotating base 4 of cylinder 3, be equipped with connecting rod 5 on the rotating base 4, the lateral wall of cold isostatic press body 1 is equipped with relief valve 7, the valve rod of connecting rod 5 fixed connection relief valve 7, be equipped with the control mechanism who opens and close relief valve 7 on connecting rod 5, control mechanism includes the receiving plate 6 of fixed connection on the lateral wall of cold isostatic press body 1, the spread groove has been seted up on receiving plate 6, the valve rod of relief valve 7 all rotates in the spread groove with connecting rod 5, waist groove 17 has been seted up on connecting rod 5, rotating base 4 lateral wall runs through being equipped with the axis of rotation, axis roll connection is in waist groove 17, can realize through connecting rod 5 when rotating base 4 removes and control 7 opening and closing with the help of axis of rotation and waist groove 17.

The lateral wall of cold isostatic press body 1 has seted up recess 8, is equipped with threaded rod 13 in the recess 8, and the outer wall of threaded rod 13 is equipped with sleeve pipe 11, is equipped with limiting plate 10 in the recess 8, and sleeve pipe 11 runs through limiting plate 10, is equipped with the coupling mechanism who removes the in-process with threaded rod 13 in the sleeve pipe 11, and coupling mechanism has seted up internal thread 12 including seting up at the inside wall of sleeve pipe 11, threaded rod 13 and 11 threaded connection of sleeve pipe.

A driving mechanism for driving the threaded rod 13 to rotate is arranged in the groove 8, the driving mechanism comprises a motor 9 fixedly connected to the bottom in the groove 8, and an output shaft of the motor 9 is fixedly connected with the threaded rod 13.

The outer wall of the pressure release valve 7 is provided with an upper clamping ring 14, the threaded rod 13 is provided with a clamping mechanism which is matched and clamped with the upper clamping ring 14, the clamping mechanism comprises a lower clamping ring 15 fixedly connected to the end part of the sleeve 11, the side wall of the lower clamping ring 15 is provided with two clamping grooves 16, the side wall of the upper clamping ring 14 is fixedly connected with two clamping blocks corresponding to the clamping grooves 16, the side wall of the valve rod is sleeved with a sealing ring, and the sealing ring is fixedly connected to the opposite side walls of the upper clamping ring 14 and the lower clamping ring 15.

The utility model discloses during the use, as shown in fig. 1-3, when the work piece has been processed to the inside of cold isostatic press body 1 and need to carry out the pressure release to the inside, through the flexible rotation base 4 that drives of drive cylinder 3 removal, the rotation base 4 drives the connecting rod 5 activity under waist groove 17 is spacing simultaneously in the removal, connecting rod 5 can drive relief valve 7 and open and carry out the pressure release to the inside at this moment, the start motor 9 drives threaded rod 13 and rotates simultaneously in the pressure release, drive sleeve pipe 11 and remove while rotating, break away from lower clamp ring 15 and upper clamp ring 14 when sleeve pipe 11 removes subsequently, thereby when carrying out the pressure release to the inside of cold isostatic press body 1, lower clamp ring 15 keeps away from upper clamp ring 14 and improves the speed of pressure release;

when cold isostatic press body 1 is inside to need pressure boost or pressurize, it rotates to drive through the contraction of cylinder 3 and rotate base 4, connecting rod 5 can realize closing relief valve 7, reverse motor 9 drives threaded rod 13 and rotates after that, it drives down clamp ring 15 and is close to last clamp ring 14 to rotate simultaneous sleeve pipe 11, draw-in groove 16 realizes with the fixture block looks joint that clamp ring 14 is fixed with being connected of clamp ring 15 down, the deformation of sealing washer is realized through last clamp ring 14 and the mutual extruded mode of clamp ring 15 down, and reach the effect of promoting sealed effect through the sealed mode of deformation, thereby strengthen sealed with the position that cold isostatic press body 1 lateral wall is connected to relief valve 7, carry out pressure boost and pressurize to cold isostatic press body 1 inside, improve whole convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A pressure relief device of a cold isostatic press for producing contacts comprises a cold isostatic press body (1), it is characterized in that the side wall of the cold isostatic press body (1) is fixedly connected with a supporting plate (2), the upper end of the supporting plate (2) is fixedly connected with an air cylinder (3), the telescopic end of the air cylinder (3) is fixedly connected with a rotating base (4), a connecting rod (5) is arranged on the rotating base (4), a pressure release valve (7) is arranged on the side wall of the cold isostatic press body (1), the connecting rod (5) is fixedly connected with a valve rod of the pressure relief valve (7), the connecting rod (5) is provided with a control mechanism for opening and closing the pressure release valve (7), the side wall of the cold isostatic press body (1) is provided with a groove (8), a threaded rod (13) is arranged in the groove (8), a sleeve (11) is arranged on the outer wall of the threaded rod (13), a limit plate (10) is arranged in the groove (8), the sleeve (11) penetrates through the limit plate (10), a connecting mechanism connected with the threaded rod (13) in the moving process is arranged in the sleeve (11), a driving mechanism for driving the threaded rod (13) to rotate is arranged in the groove (8), the outer wall of the pressure release valve (7) is provided with an upper clamping ring (14), and the threaded rod (13) is provided with a clamping mechanism which is matched and clamped with the upper clamping ring (14).

2. The pressure relief device of a cold isostatic press for producing contacts according to claim 1, wherein the control mechanism comprises a receiving plate (6) fixedly connected to the side wall of the cold isostatic press body (1), the receiving plate (6) is provided with a connecting groove, and both the valve rod of the pressure relief valve (7) and the connecting rod (5) rotate in the connecting groove.

3. The pressure relief device of a cold isostatic press for producing contacts according to claim 2, wherein said connection means comprises an internal thread (12) provided on the inner side wall of the sleeve (11), and said threaded rod (13) is in threaded connection with the sleeve (11).

4. A pressure relief device of a cold isostatic press for producing contacts according to claim 3, wherein said driving mechanism comprises a motor (9) fixedly connected to the bottom of the recess (8), and an output shaft of said motor (9) is fixedly connected to the threaded rod (13).

5. The pressure relief device of a cold isostatic press for producing contacts according to claim 4, wherein the clamping mechanism comprises a lower clamping ring (15) fixedly connected to the end of the sleeve (11), two clamping slots (16) are formed in the side wall of the lower clamping ring (15), two clamping blocks corresponding to the clamping slots (16) are fixedly connected to the side wall of the upper clamping ring (14), and a sealing ring is sleeved on the side wall of the valve stem and fixedly connected to the opposite side walls of the upper clamping ring (14) and the lower clamping ring (15).

6. The pressure relief device of the cold isostatic press for producing contacts according to claim 5, wherein a waist groove (17) is formed in the connecting rod (5), a rotating shaft is arranged on a side wall of the rotating base (4) in a penetrating manner, and the rotating shaft is connected in the waist groove (17) in a rolling manner.

Images