Pneumatic press machine for valve plate machining

Abstract

The utility model relates to the technical field of valve plate machining, in particular to a pneumatic press machine for valve plate machining, which comprises a press machine base, efficient machining mechanisms are arranged on the surfaces of an L-shaped support frame and a movable plate, and buffering and damping mechanisms are arranged on the inner wall of the L-shaped support frame and the surface of the movable plate. Precise machining mechanisms are arranged in the press machine base and the fixing base correspondingly. When the pneumatic press is used, the stability of the valve plate during machining in the machining groove can be guaranteed, the machining effect of the pneumatic press on the valve plate is better, the machining effect on the valve plate can be improved when the pneumatic press is used, the pneumatic press is more efficient and convenient to use, and the machining efficiency of the pneumatic press is improved. And when the pneumatic press is used, collision of the moving plate to the inner wall of the L-shaped supporting frame can be reduced, and the service life is longer.

Description

Technical Field

[0001] This utility model relates to the field of valve plate processing technology, specifically a pneumatic press for valve plate processing. Background Technology

[0002] As an important component of the compressor, the air valve consists of an intake valve and an exhaust valve. The intake valve plate is located on the valve plate of the intake valve and is used to control the gas flow to reduce the pressure in the cylinder. When the compressor is working, when the pressure on both sides of the intake valve plate is different, the intake valve plate will reciprocate relative to the valve plate, causing the air inlet of the valve plate to open or close with the reciprocating motion of the intake valve plate. A pneumatic press is required for processing the valve plate.

[0003] Existing pneumatic presses can only process one item at a time. After one item is finished, the operator must remove it and place a new one, resulting in low work efficiency. Furthermore, existing pneumatic presses require precise machining of valve plates, which is not precise enough, reducing the machining effect. The low machining efficiency of valve plates also makes the pneumatic press inefficient and inconvenient to use. Additionally, pneumatic presses typically lack the function of cushioning and shock-absorbing the surface of the L-shaped support frame, making the moving plate and pressure head less quiet and shortening their service life when machining the valve plate surface. Utility Model Content

[0004] The purpose of this invention is to provide a pneumatic press for valve plate processing, in order to solve the problems mentioned in the background art, such as insufficient precision in processing valve plates, low processing efficiency of valve plates, and the lack of function in buffering and shock-resistant L-shaped support frame surfaces.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pneumatic press for valve plate processing, comprising a press base, a fixed seat mounted on the top surface of the press base, an L-shaped support frame mounted on the top surface of the press base, a control button mounted on the top surface of the L-shaped support frame, a cylinder mounted on the top surface of the L-shaped support frame, the input end of the cylinder being electrically connected to the output end of the control button, a movable plate provided on the surface of the L-shaped support frame, a processing groove formed on the surface of the fixed seat at its center, a high-efficiency processing mechanism provided on the surfaces of both the L-shaped support frame and the movable plate, the internal components of which include a guide seat, a mounting cylinder, a mounting stud, a rotating ball, and a guide column; a buffer and shock absorption mechanism provided on the inner wall of the L-shaped support frame and the surface of the movable plate, the internal components of which include a fixed plate, a buffer frame, and a buffer and shock absorption assembly; and a precision processing mechanism provided inside both the press base and the fixed seat, the internal components of which include a holding groove, a suction cup body, and precision processing components.

[0006] Preferably, the output end of the cylinder passes through the L-shaped support frame and is fixed to the surface at the top center of the moving plate. A pressure head is installed on the surface at the bottom center of the moving plate. The processing groove is located directly below the pressure head. Fixed cylinders are installed on the inner walls of the fixed base. The fixed cylinders are located on both sides of the processing groove. A clamping plate is provided inside the fixed cylinder. One end of the clamping plate extends into the processing groove. Guide grooves are opened on the inner walls of the fixed cylinders. The guide grooves slide against the surface of the clamping plate. An electric push rod is installed inside the fixed cylinder. The input end of the electric push rod is electrically connected to the output end of the control button. The output end of the electric push rod is fixed to the surface of the clamping plate.

[0007] Preferably, the inner wall of the L-shaped support frame is equipped with guide posts for guiding the moving plate. The bottom end of the guide post is fixed to the surface at the top of the fixed seat. Guide seats are installed on both sides of the moving plate. The guide seats and the surfaces of the guide posts slide against each other. An installation cylinder is provided inside the guide seat.

[0008] Preferably, the surface of the mounting cylinder is threaded with mounting studs, one end of which passes through the mounting cylinder and is threadedly fastened to the surface of the guide seat. An inner ring is installed inside the mounting cylinder, and the inner wall of the inner ring is provided with equally spaced rotating balls. The rotating balls rotate and engage with the surface of the inner ring, and the surface of the rotating balls contacts the surface of the guide post.

[0009] Preferably, the buffer and shock absorption group is disposed on the inner wall of the L-shaped support frame and the surface of the movable plate. The buffer and shock absorption group is composed of a groove, a buffer spring and a buffer plate. The surface of the movable plate is equipped with a fixed plate. The inner wall of the L-shaped support frame is equipped with a buffer frame. The diameter of the buffer frame is larger than the diameter of the fixed plate. The buffer plate is disposed inside the buffer frame.

[0010] Preferably, the inner wall of each buffer frame is provided with a groove, the groove slides in contact with the surface of the buffer plate, and a buffer spring is installed inside each buffer frame, the bottom end of the buffer spring being fixed to the surface of the buffer plate.

[0011] Preferably, the precision machining component is disposed inside the press base and the fixed seat. The precision machining component consists of an air pipe, a holding chamber and an air pump. The fixed seat has a holding groove inside, which is connected to the interior of the machining groove. A suction cup body for enhancing the stability during valve plate machining is installed inside the holding groove. One side of the suction cup body extends into the interior of the machining groove. The press base has a holding chamber inside.

[0012] Preferably, an air pump is installed inside the holding cavity. The input end of the air pump is electrically connected to the output end of the control button. An air pipe is installed at the input end of the air pump. One end of the air pipe passes through the press base and the fixed seat and extends into the interior of the suction cup body. The output end of the air pump passes through the press base and extends to the outside of the press base.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the pneumatic press for valve plate processing not only ensures the stability of the valve plate during processing in the processing groove, resulting in better processing effect of the valve plate, and making the pneumatic press more efficient and convenient to use, but also reduces the collision between the moving plate and the inner wall of the L-shaped support frame, making the moving plate and the pressure head quieter and longer in service when processing the surface of the valve plate;

[0014] 1. By setting up a precision machining mechanism, the air pump inside the holding chamber is controlled to operate. Under the action of the air pump, the air inside the suction cup body is extracted through the air pipe, creating a vacuum environment inside the suction cup body. Under the action of the suction cup body inside the holding tank, the stability of the valve plate when placed inside the machining tank is higher, ensuring that the pressure head can perform precise machining on the surface of the valve plate. This realizes the function of precise machining of valve plates by the pneumatic press, thus ensuring the stability of the valve plate during machining inside the machining tank when the pneumatic press is used, and making the machining effect of the valve plate better.

[0015] 2. By setting up a high-efficiency processing mechanism, when the moving plate moves up and down inside the L-shaped support frame, the mounting cylinder is installed inside the guide seat by the mounting stud. When the moving plate moves up and down, the moving plate drives the guide seat and the mounting cylinder to slide up and down on the surface of the guide column. Under the joint action of the guide seat and the guide column, the moving plate is guided. At this time, the rotating ball rotates on the surface of the inner ring. Under the action of the rotating ball, the moving plate moves up and down more quickly and is less prone to jamming. This allows the moving plate to drive the pressure head to perform efficient processing on the surface of the valve plate, realizing the function of efficient processing of valve plates by the pneumatic press. This improves the processing effect of the valve plate when using the pneumatic press, making the pneumatic press more efficient and convenient to use.

[0016] 3. By incorporating a buffer and shock absorption mechanism, when the cylinder drives the moving plate and pressure head to reset, the moving plate moves the fixed plate upwards. The fixed plate moves into the interior of the buffer frame, where it presses against the buffer plate inside, causing it to move inwards. The buffer plate then slides within the groove, which guides it. Simultaneously, the buffer plate presses against the buffer spring inside the buffer frame, which cushions and absorbs the impact force. When the moving plate moves the fixed plate away from the interior of the buffer frame, the spring force causes the buffer plate to automatically reset inside the frame. This prevents the moving plate from colliding with the inner wall of the L-shaped support frame and generating noise. This achieves the surface buffering and impact resistance function of the pneumatic press against the L-shaped support frame, reducing the collision between the moving plate and the inner wall of the L-shaped support frame during operation. This results in quieter operation and a longer service life for the moving plate and pressure head when processing the valve plate surface. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0019] Figure 3 For the present utility model Figure 2 Enlarged structural diagram of a medium-to-high efficiency machining mechanism;

[0020] Figure 4 For the present utility model Figure 2 Enlarged structural schematic diagram of the intermediate buffer damping mechanism;

[0021] Figure 5 This is an enlarged structural schematic diagram of the precision machining mechanism of this utility model.

[0022] In the diagram: 1. Press base; 101. Fixed seat; 102. L-shaped support frame; 103. Control button; 104. Cylinder; 105. Moving plate; 106. Machining groove; 107. Fixed cylinder; 108. Clamping plate; 109. Guide groove; 110. Press head; 111. Electric push rod; 2. High-efficiency machining mechanism; 21. Guide seat; 22. Mounting cylinder; 23. Mounting stud; 24. Rotating ball; 25. Guide column; 26. Inner ring; 3. Buffer and shock absorption mechanism; 31. Fixed plate; 32. Buffer frame; 33. Buffer and shock absorption assembly; 331. Groove; 332. Buffer spring; 333. Buffer plate; 4. Precision machining mechanism; 41. Holding groove; 42. Suction cup body; 43. Precision machining component; 431. Air pipe; 432. Holding chamber; 433. Air pump. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0024] The present invention provides a pneumatic press for valve plate processing with the following structure: Figure 1 and Figure 2As shown, the press includes a press base 1, a fixed seat 101 mounted on the top surface of the press base 1, an L-shaped support frame 102 mounted on the top surface of the press base 1, a control button 103 mounted on the top surface of the L-shaped support frame 102 (the control button 103 can be of the LA series), a cylinder 104 mounted on the top surface of the L-shaped support frame 102 (the cylinder 104 can be of the DG series), the input end of the cylinder 104 is electrically connected to the output end of the control button 103, a movable plate 105 is provided on the surface of the L-shaped support frame 102, the output end of the cylinder 104 passes through the L-shaped support frame 102 and is fixed to the surface of the top center of the movable plate 105, and a pressure head 1 is mounted on the surface of the bottom center of the movable plate 105. 10. A machining groove 106 is provided on the surface of the center position of the fixed base 101. The machining groove 106 is located directly below the pressure head 110. Fixed cylinders 107 are installed on the inner wall of the fixed base 101. The fixed cylinders 107 are located on both sides of the machining groove 106. A clamping plate 108 is provided inside the fixed cylinder 107. One end of the clamping plate 108 extends into the interior of the machining groove 106. A guide groove 109 is provided on the inner wall of the fixed cylinder 107. The guide groove 109 slides and engages with the surface of the clamping plate 108. An electric push rod 111 is installed inside the fixed cylinder 107. The electric push rod 111 can be of the DG series. The input end of the electric push rod 111 is electrically connected to the output end of the control button 103. The output end of the electric push rod 111 is fixed to the surface of the clamping plate 108.

[0025] Furthermore, such as Figure 2 and Figure 3 As shown, both the L-shaped support frame 102 and the moving plate 105 are provided with a high-efficiency machining mechanism 2. The high-efficiency machining mechanism 2 includes a guide seat 21, a mounting cylinder 22, a mounting stud 23, rotating balls 24, and a guide post 25. The inner wall of the L-shaped support frame 102 is provided with a guide post 25 for guiding the moving plate 105. The bottom end of the guide post 25 is fixed to the surface at the top of the fixed seat 101. Guide seats 21 are provided on both sides of the moving plate 105. The surfaces of the guide seats 21 and the guide posts 25 slide against each other. The inside of the guide seat 21 is provided with a mounting cylinder 22. The surface of the mounting cylinder 22 is threaded with a mounting stud 23. One end of the mounting stud 23 passes through the mounting cylinder 22 and is threadedly fastened to the surface of the guide seat 21. The inside of the mounting cylinder 22 is provided with an inner ring 26. The inner wall of the inner ring 26 is provided with rotating balls 24 at equal intervals. The rotating balls 24 and the surface of the inner ring 26 rotate against each other. The surface of the rotating balls 24 contacts the surface of the guide post 25.

[0026] In practice, when the moving plate 105 moves up and down inside the L-shaped support frame 102, the mounting cylinder 22 is installed inside the guide seat 21 by the mounting stud 23. When the moving plate 105 moves up and down, the moving plate 105 drives the guide seat 21 and the mounting cylinder 22 to slide up and down on the surface of the guide post 25. Under the joint action of the guide seat 21 and the guide post 25, the moving plate 105 is guided. At this time, the rotating ball 24 rotates on the surface of the inner ring 26. Under the action of the rotating ball 24, the moving plate 105 moves up and down more quickly and is less prone to jamming. This allows the moving plate 105 to drive the pressure head 110 to perform efficient processing on the surface of the valve plate, so as to realize the function of efficient processing of the valve plate by the pneumatic press.

[0027] Furthermore, such as Figure 2 and Figure 4 As shown, the inner wall of the L-shaped support frame 102 and the surface of the movable plate 105 are both provided with a buffer and shock absorption mechanism 3. The buffer and shock absorption mechanism 3 includes a fixed plate 31, a buffer frame 32 and a buffer and shock absorption assembly 33. The buffer and shock absorption assembly 33 is provided on the inner wall of the L-shaped support frame 102 and the surface of the movable plate 105. The buffer and shock absorption assembly 33 is composed of a groove 331, a buffer spring 332 and a buffer plate 333. The surface of the movable plate 105 is equipped with a fixed plate 31. The inner wall of the L-shaped support frame 102 is equipped with a buffer frame 32. The diameter of the buffer frame 32 is larger than the diameter of the fixed plate 31. The buffer plate 333 is provided inside the buffer frame 32. The inner wall of the buffer frame 32 is provided with a groove 331. The groove 331 and the surface of the buffer plate 333 slide against each other. The buffer spring 332 is installed inside the buffer frame 32. The bottom end of the buffer spring 332 is fixed to the surface of the buffer plate 333.

[0028] During implementation, when the cylinder 104 drives the moving plate 105 and the pressure head 110 to reset, the moving plate 105 drives the fixed plate 31 to move upward. The fixed plate 31 moves into the interior of the buffer frame 32. At this time, the fixed plate 31 presses the buffer plate 333 inside the buffer frame 32, causing the buffer plate 333 to move inward towards the inside of the buffer frame 32. At this time, the buffer plate 333 slides inside the groove 331, and is guided by the groove 331. At this time, the buffer plate 333 presses the buffer... The buffer spring 332 inside the frame 32 buffers and dampens the impact force on the buffer plate 333 under the action of the buffer spring 332. When the moving plate 105 moves the fixed plate 31 away from the inside of the buffer frame 32, the buffer plate 333 is automatically reset inside the buffer frame 32 under the elastic force of the buffer spring 332, so that the moving plate 105 will not collide with the inner wall of the L-shaped support frame 102 and generate noise, so as to realize the function of the pneumatic press to buffer and resist impact on the surface of the L-shaped support frame 102.

[0029] Furthermore, such as Figure 2 and Figure 5 As shown, both the press base 1 and the fixed seat 101 are equipped with a precision machining mechanism 4. The precision machining mechanism 4 includes a holding groove 41, a suction cup body 42, and a precision machining component 43. The precision machining component 43 is located inside the press base 1 and the fixed seat 101 and consists of an air pipe 431, a holding chamber 432, and an air pump 433. The fixed seat 101 is provided with a holding groove 41 inside, which is connected to the interior of the machining groove 106. The suction cup body, which enhances the stability during valve plate processing, is installed inside the holding groove 41. 42. One side of the suction cup body 42 extends into the interior of the processing groove 106. The interior of the press base 1 is provided with a holding cavity 432. An air pump 433 is installed inside the holding cavity 432. The air pump 433 can be an SLG series model. The input end of the air pump 433 is electrically connected to the output end of the control button 103. An air pipe 431 is installed at the input end of the air pump 433. One end of the air pipe 431 passes through the press base 1 and the fixed seat 101 and extends into the interior of the suction cup body 42. The output end of the air pump 433 passes through the press base 1 and extends to the outside of the press base 1.

[0030] During implementation, the air pump 433 inside the holding chamber 432 is controlled to work. Under the action of the air pump 433, the air inside the suction cup body 42 is extracted through the air pipe 431, so that a vacuum environment is created inside the suction cup body 42. Under the action of the suction cup body 42 inside the holding tank 41, the stability of the valve plate when placed inside the processing tank 106 is higher, ensuring that the pressure head 110 can accurately process the surface of the valve plate, so as to realize the function of the pneumatic press to accurately process the valve plate.

[0031] Working principle: In use, first place the press base 1 in the designated position. The user places the valve plate to be processed inside the processing groove 106 on the surface of the fixed base 101. The user operates the control button 103, which controls the air pump 433 inside the holding chamber 432 to work. Under the action of the air pump 433, the air inside the suction cup body 42 is extracted through the air pipe 431, creating a vacuum environment inside the suction cup body 42. Under the action of the suction cup body 42 inside the holding groove 41, the stability of the valve plate placed inside the processing groove 106 is higher, ensuring that the press head 110 can accurately process the surface of the valve plate, so as to realize the function of the pneumatic press to accurately process the valve plate. This ensures the stability of the valve plate during processing inside the processing groove 106, resulting in better processing effect of the pneumatic press on the valve plate.

[0032] Subsequently, the user operates the control button 103, causing the control button 103 to control the electric push rod 111 inside the fixed cylinder 107 to work. Under the action of the electric push rod 111, the guide groove 109 moves inside the fixed cylinder 107. At this time, the electric push rod 111 drives the clamping plate 108 to move into the machining groove 106, so that the clamping plate 108 moves to contact the surface of the valve piece placed inside the machining groove 106. Under the action of the clamping plate 108, the valve piece is clamped and fixed inside the machining groove 106, so that... The pneumatic press can process valve plates of different sizes. Then, the user operates the control button 103 on the surface of the L-shaped support frame 102, so that the control button 103 controls the cylinder 104 to work. Under the action of the cylinder 104, the moving plate 105 moves downward. At this time, the moving plate 105 drives the pressure head 110 to move downward into the processing groove 106. Under the action of the pressure head 110, the surface of the valve plate is processed. After the processing is completed, the cylinder 104 automatically drives the moving plate 105 and the pressure head 110 to reset.

[0033] Subsequently, when the movable plate 105 moves up and down inside the L-shaped support frame 102, the mounting cylinder 22 is installed inside the guide seat 21 by the mounting stud 23. When the movable plate 105 moves up and down, it drives the guide seat 21 and the mounting cylinder 22 to slide up and down on the surface of the guide post 25. Under the combined action of the guide seat 21 and the guide post 25, the movable plate 105 is guided. At this time, the rotating ball 24 rotates on the surface of the inner ring 26. Under the action of the rotating ball 24, the movable plate 105 moves up and down more quickly and is less prone to jamming. This allows the movable plate 105 to drive the pressure head 110 to perform efficient processing on the surface of the valve plate, thereby realizing the function of efficient processing of the valve plate by the pneumatic press. This improves the processing effect of the valve plate when the pneumatic press is used, making the pneumatic press more efficient and convenient to use.

[0034] Subsequently, when cylinder 104 drives the moving plate 105 and pressure head 110 to reset, the moving plate 105 drives the fixed plate 31 to move upward. The fixed plate 31 moves into the interior of the buffer frame 32. At this time, the fixed plate 31 presses the buffer plate 333 inside the buffer frame 32, causing the buffer plate 333 to move inward towards the inner side of the buffer frame 32. The buffer plate 333 then slides inside the groove 331, which guides the buffer plate 333. Simultaneously, the buffer plate 333 presses the buffer spring 332 inside the buffer frame 32, and the buffer spring 332 buffers and dampens the impact force received by the buffer plate 333. When the moving plate 105 moves the fixed plate 31 away from the interior of the buffer frame 32, the buffer plate 333 automatically resets inside the buffer frame 32 under the elastic force of the buffer spring 332. This prevents the moving plate 105 from colliding with the inner wall of the L-shaped support frame 102 and generating noise, thus achieving the function of buffering and resisting impact on the surface of the L-shaped support frame 102 by the pneumatic press. This reduces the collision between the moving plate 105 and the inner wall of the L-shaped support frame 102 when the pneumatic press is in use, making the moving plate 105 and the pressure head 110 quieter and longer in service when processing the surface of the valve plate, ultimately completing the operation of the pneumatic press.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pneumatic press for valve plate processing, comprising a press base (1), characterized in that: A fixed seat (101) is mounted on the surface of the top position of the press base (1). An L-shaped support frame (102) is mounted on the surface of the top position of the press base (1). A control button (103) is mounted on the surface of the top position of the L-shaped support frame (102). A cylinder (104) is mounted on the surface of the top position of the L-shaped support frame (102). The input end of the cylinder (104) is electrically connected to the output end of the control button (103). A movable plate (105) is provided on the surface of the L-shaped support frame (102). A machining groove (106) is opened on the surface of the center position of the fixed seat (101). The surfaces of the L-shaped support frame (102) and the movable plate (105) are... Each surface is equipped with a high-efficiency processing mechanism (2). The interior of the high-efficiency processing mechanism (2) includes a guide seat (21), a mounting cylinder (22), a mounting stud (23), a rotating ball (24), and a guide column (25). The inner wall of the L-shaped support frame (102) and the surface of the moving plate (105) are both equipped with a buffer and shock absorption mechanism (3). The interior of the buffer and shock absorption mechanism (3) includes a fixed plate (31), a buffer frame (32), and a buffer and shock absorption assembly (33). The interior of the press base (1) and the fixed seat (101) are both equipped with a precision processing mechanism (4). The interior of the precision processing mechanism (4) includes a holding groove (41), a suction cup body (42), and a precision processing component (43).

2. The pneumatic press for valve plate processing according to claim 1, characterized in that: The output end of the cylinder (104) passes through the L-shaped support frame (102) and is fixed to the surface at the top center of the moving plate (105). A pressure head (110) is installed on the surface at the bottom center of the moving plate (105). The processing groove (106) is located directly below the pressure head (110). The inner wall of the fixed base (101) is equipped with a fixing cylinder (107). The fixing cylinders (107) are located on both sides of the processing groove (106). A clamping plate (107) is provided inside the fixing cylinder (107). 08), one end of the clamping plate (108) extends into the interior of the processing groove (106), and the inner wall of the fixed cylinder (107) is provided with guide grooves (109). The guide grooves (109) slide and cooperate with the surface of the clamping plate (108). An electric push rod (111) is installed inside the fixed cylinder (107). The input end of the electric push rod (111) is electrically connected to the output end of the control button (103). The output end of the electric push rod (111) is fixed to the surface of the clamping plate (108).

3. A pneumatic press for valve plate processing according to claim 1, characterized in that: The inner wall of the L-shaped support frame (102) is equipped with guide posts (25) for guiding the movable plate (105). The bottom end of the guide post (25) is fixed to the surface at the top of the fixed seat (101). Guide seats (21) are installed on both sides of the movable plate (105). The surfaces of the guide seats (21) and the guide posts (25) slide against each other. An installation cylinder (22) is provided inside the guide seat (21).

4. A pneumatic press for valve plate processing according to claim 3, characterized in that: The surface of the mounting cylinder (22) is threaded with mounting studs (23). One end of the mounting stud (23) passes through the mounting cylinder (22) and is threadedly fastened to the surface of the guide seat (21). An inner ring (26) is installed inside the mounting cylinder (22). The inner wall of the inner ring (26) is provided with equally spaced rotating balls (24). The rotating balls (24) rotate and cooperate with the surface of the inner ring (26). The surface of the rotating balls (24) is in contact with the surface of the guide post (25).

5. A pneumatic press for valve plate processing according to claim 1, characterized in that: The buffer and shock absorption assembly (33) is set on the inner wall of the L-shaped support frame (102) and the surface of the movable plate (105). The buffer and shock absorption assembly (33) is composed of a groove (331), a buffer spring (332) and a buffer plate (333). The surface of the movable plate (105) is equipped with a fixed plate (31). The inner wall of the L-shaped support frame (102) is equipped with a buffer frame (32). The diameter of the buffer frame (32) is larger than the diameter of the fixed plate (31). The buffer frame (32) is equipped with a buffer plate (333) inside.

6. A pneumatic press for valve plate processing according to claim 5, characterized in that: The inner wall of each buffer frame (32) is provided with a groove (331), and the groove (331) slides in contact with the surface of the buffer plate (333). Each buffer frame (32) is equipped with a buffer spring (332), and the bottom end of the buffer spring (332) is fixed to the surface of the buffer plate (333).

7. A pneumatic press for valve plate processing according to claim 1, characterized in that: The precision machining component (43) is located inside the press base (1) and the fixed seat (101). The precision machining component (43) consists of an air pipe (431), a holding cavity (432) and an air pump (433). The fixed seat (101) has a holding groove (41) inside. The holding groove (41) is connected to the inside of the machining groove (106). The holding groove (41) is equipped with a suction cup body (42) to enhance the stability of valve plate processing. One side of the suction cup body (42) extends into the inside of the machining groove (106). The press base (1) has a holding cavity (432) inside.

8. A pneumatic press for valve plate processing according to claim 7, characterized in that: An air pump (433) is installed inside the holding cavity (432). The input end of the air pump (433) is electrically connected to the output end of the control button (103). An air pipe (431) is installed at the input end of the air pump (433). One end of the air pipe (431) passes through the press base (1) and the fixed seat (101) and extends into the interior of the suction cup body (42). The output end of the air pump (433) passes through the press base (1) and extends to the outside of the press base (1).

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