Blank pressing machine used for polytetrafluoroethylene production and provided with screening device

Abstract

The utility model provides a blank pressing machine with a screening device for polytetrafluoroethylene production. The blank pressing machine comprises a blank pressing machine body, a first fixing plate is arranged on the front face of the blank pressing machine body, two sets of vertical plates are fixedly connected to the upper end of the first fixing plate, a transverse plate is fixedly connected to the upper ends of the vertical plates, a spring is fixedly connected to the upper end of the transverse plate, and a first connecting plate is fixedly connected to the upper end of the spring. And a screen frame is fixedly connected between the two groups of first connecting plates. According to the blank pressing machine with the screening device for polytetrafluoroethylene production, raw materials are poured into the screening frame, at the moment, the materials can be screened through the screening frame, the eccentric block is driven by the first motor to rotate, at the moment, the screening frame can vibrate, and the screening frame can normally shake under the assistance of the first connecting plate and the spring; at the moment, the screening efficiency of the screen frame can be improved, polytetrafluoroethylene can be screened through the mechanism, and normal blank pressing is not prone to being affected by material differences.

Description

Technical Field

[0001] The utility model relates to the technical field of polytetrafluoroethylene processing, in particular to a compacting machine with a screening device for polytetrafluoroethylene production. Background Technique

[0002] Polytetrafluoroethylene, commonly known as "the king of plastics", is a high-molecular compound polymerized from tetrafluoroethylene, with excellent chemical stability, corrosion resistance, sealing performance, high lubricity and non-stickiness, electrical insulation and good anti-aging endurance. It is used as an engineering plastic and can be made into polytetrafluoroethylene pipes, rods, tapes, plates, films, etc. Generally, it is applied to pipes, containers, pumps, valves with high corrosion resistance requirements, as well as radar, high-frequency communication equipment, radio equipment, etc.

[0003] In the technical field of polytetrafluoroethylene processing, sometimes a compacting machine is used to process materials according to requirements. The existing compacting machines usually cannot screen polytetrafluoroethylene, and polytetrafluoroethylene is likely to affect the normal compacting process due to large differences in particle size.

[0004] Therefore, it is necessary to provide a compacting machine with a screening device for polytetrafluoroethylene production to solve the above technical problems. Content of the Utility Model

[0005] The utility model provides a compacting machine with a screening device for polytetrafluoroethylene production, which solves the problem that the existing compacting machines usually cannot screen polytetrafluoroethylene, and polytetrafluoroethylene is likely to affect the normal compacting process due to large differences in particle size.

[0006] To solve the above technical problems, a compacting machine with a screening device for polytetrafluoroethylene production provided by the utility model includes: a compacting machine body;

[0007] A first fixing plate is arranged on the front surface of the compacting machine body. Two groups of vertical plates are fixedly connected to the upper end of the first fixing plate. A cross plate is fixedly connected to the upper ends of the vertical plates. A spring is fixedly connected to the upper end of the cross plate. A first connecting plate is fixedly connected to the upper end of the spring. A screening frame is fixedly connected between the two first connecting plates. A variable-diameter pipe is fixedly connected to the bottom of the screening frame. A first motor is arranged on the front surface of the screening frame. An eccentric block is fixedly connected to the output end of the first motor.

[0008] Preferably, a feeding pipe is fixedly connected to the upper end of the first fixing plate, and a material collecting port is fixedly connected to the upper end of the feeding pipe.

[0009] Preferably, a material clamping block is rotatably connected inside the feeding pipe, and a second motor is arranged on the upper end of the first fixing plate. The output end of the second motor is fixedly connected to the material clamping block.

[0010] Preferably, a second fixing plate is fixedly connected to the front surface of the first fixing plate. A first telescopic cylinder is arranged on the front surface of the second fixing plate. The output end of the first telescopic cylinder is rotatably connected to a second connecting plate.

[0011] Preferably, two groups of sliders are fixedly connected to the back surface of the second connecting plate, and the sliders are matched with the material clamping blocks.

[0012] Preferably, a third fixing plate is arranged on the front surface of the compacting machine body. A cushion block is fixedly connected to the upper end of the third fixing plate. A second telescopic cylinder is arranged on the upper end of the cushion block. The output end of the second telescopic cylinder is fixedly connected to a discharge cylinder. A hose is fixedly connected to the upper end of the discharge cylinder. The upper end of the hose is fixedly connected to the bottom end of the feeding pipe.

[0013] Compared with the related art, a compacting machine with a screening device for polytetrafluoroethylene production provided by the present utility model has the following beneficial effects:

[0014] The present utility model provides a compacting machine with a screening device for polytetrafluoroethylene production. Pour the raw materials into the inside of the screening frame. At this time, the materials can be screened through the screening frame. Drive the eccentric block to rotate through the first motor. At this time, the screening frame can be vibrated. The screening frame can shake normally with the assistance of the first connecting plate and the spring. At this time, the screening efficiency of the screening frame can be improved. The polytetrafluoroethylene can be screened through this mechanism, and it is not easy to affect the normal compacting due to material differences. Drive the material clamping block to rotate through the second motor to control the falling amount of the raw materials. Drive the second connecting plate to move through the first telescopic cylinder, so that the slider moves synchronously. Adjust the position of the slider to adjust the amount of the raw materials clamped by the material clamping block, so as to further control the falling amount of the raw materials. Drive the discharge cylinder to move through the second telescopic cylinder, so that the discharge cylinder moves above the mold of the compacting machine body. At this time, when feeding, the raw materials can accurately enter the mold. Through this mechanism, it is very convenient to control the feeding amount and the feeding position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a preferred embodiment of a compacting machine with a screening device for polytetrafluoroethylene production provided by the present utility model;

[0016] Figure 2 is Figure 1 an enlarged schematic structural diagram of the area A shown in the figure;

[0017] Figure 3 is Figure 1 a front view sectional structural diagram of the feeding pipe shown in the figure.

[0018] Reference numerals in the figure: 1, compacting machine body; 2, first fixed plate; 3, vertical plate; 4, horizontal plate; 5, spring; 6, first connecting plate; 7, sieve frame; 8, reducing pipe; 9, first motor; 10, eccentric block; 11, feeding pipe; 12, material collecting port; 13, material clamping block; 14, second motor; 15, second fixed plate; 16, first telescopic cylinder; 17, second connecting plate; 18, slider; 19, third fixed plate; 20, cushion block; 21, second telescopic cylinder; 22, discharge cylinder; 23, hose. Detailed implementation manners

[0019] The present utility model will be further described below in conjunction with the accompanying drawings and implementation manners.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3 wherein Figure 1 is a schematic structural diagram of a preferred embodiment of a compacting machine with a screening device for polytetrafluoroethylene production provided by the present utility model; Figure 2 is Figure 1 an enlarged schematic structural diagram of area A shown in Figure 3 is Figure 1 a front view sectional structural diagram of the feeding pipe shown in

[0021] A first fixed plate 2 is arranged on the front surface of the compacting machine body 1. The upper end of the first fixed plate 2 is fixedly connected with a vertical plate 3, and two groups of vertical plates 3 are provided. The upper end of the vertical plate 3 is fixedly connected with a horizontal plate 4. The upper end of the horizontal plate 4 is fixedly connected with a spring 5. The upper end of the spring 5 is fixedly connected with a first connecting plate 6. A sieve frame 7 is fixedly connected between the two groups of first connecting plates 6. The bottom of the sieve frame 7 is fixedly connected with a reducing pipe 8. A first motor 9 is arranged on the front surface of the sieve frame 7. The output end of the first motor 9 is fixedly connected with an eccentric block 10. The arrangement of the reducing pipe 8 is beneficial to material feeding.

[0022] The upper end of the first fixed plate 2 is fixedly connected with a feeding pipe 11. The upper end of the feeding pipe 11 is fixedly connected with a material collecting port 12. The arrangement of the material collecting port 12 is beneficial to material collection.

[0023] A material clamping block 13 is rotatably connected inside the feeding pipe 11. A second motor 14 is arranged on the upper end of the first fixed plate 2. The output end of the second motor 14 is fixedly connected with the material clamping block 13.

[0024] A second fixed plate 15 is fixedly connected to the front surface of the first fixed plate 2. A first telescopic cylinder 16 is arranged on the front surface of the second fixed plate 15. The output end of the first telescopic cylinder 16 is rotatably connected with a second connecting plate 17.

[0025] On the back of the second connecting plate 17, there is a slider 18 fixedly connected, and there are two sets of sliders 18. The slider 18 is matched with the material clamping block 13. The setting of the slider 18 is beneficial to controlling the feeding amount.

[0026] On the front of the compacting machine body 1, there is a third fixing plate 19. At the upper end of the third fixing plate 19, there is a cushion block 20 fixedly connected. At the upper end of the cushion block 20, there is a second telescopic cylinder 21. The output end of the second telescopic cylinder 21 is fixedly connected with a discharge cylinder 22. At the upper end of the discharge cylinder 22, there is a hose 23 fixedly connected. The upper end of the hose 23 is fixedly connected with the bottom end of the feeding pipe 11.

[0027] The working principle of a compacting machine with a screening device for polytetrafluoroethylene production provided by the present utility model is as follows:

[0028] The first step: When in use, pour the raw materials into the inside of the screening frame 7. At this time, the screening frame 7 can screen the materials. Drive the eccentric block 10 to rotate through the first motor 9. At this time, the screening frame 7 can vibrate. The screening frame 7 can vibrate normally with the assistance of the first connecting plate 6 and the spring 5. At this time, the screening efficiency of the screening frame 7 can be improved.

[0029] The second step: Drive the material clamping block 13 to rotate through the second motor 14 to control the amount of raw materials falling. Drive the second connecting plate 17 to move through the first telescopic cylinder 16 so that the slider 18 can move synchronously. Adjust the position of the slider 18 to adjust the amount of the material clamping block 13 clamping into the raw materials, thereby further controlling the amount of raw materials falling. Drive the discharge cylinder 22 to move through the second telescopic cylinder 21 so that the discharge cylinder 22 can move above the mold of the compacting machine body 1. At this time, when feeding, the raw materials can accurately enter the mold.

[0030] Compared with the related technology, a compacting machine with a screening device for polytetrafluoroethylene production provided by the present utility model has the following beneficial effects:

[0031] Pour the raw materials into the inside of the screening frame 7. At this time, the screening frame 7 can screen the materials. Drive the eccentric block 10 to rotate through the first motor 9. At this time, the screening frame 7 can vibrate. The screening frame 7 can vibrate normally with the assistance of the first connecting plate 6 and the spring 5. At this time, the screening efficiency of the screening frame 7 can be improved. The polytetrafluoroethylene can be screened through this mechanism, and it is not easy to affect the normal compacting due to material differences. Drive the material clamping block 13 to rotate through the second motor 14 to control the amount of raw materials falling. Drive the second connecting plate 17 to move through the first telescopic cylinder 16 so that the slider 18 can move synchronously. Adjust the position of the slider 18 to adjust the amount of the material clamping block 13 clamping into the raw materials, thereby further controlling the amount of raw materials falling. Drive the discharge cylinder 22 to move through the second telescopic cylinder 21 so that the discharge cylinder 22 can move above the mold of the compacting machine body 1. At this time, when feeding, the raw materials can accurately enter the mold. Through this mechanism, it is very convenient to control the feeding amount and the feeding position.

[0032] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included within the patent protection scope of the present utility model.

Claims

1. A green sheet pressing machine with a screening device for producing polytetrafluoroethylene, characterized in that: include: A pelletizing machine body (1); A first fixed plate (2) is arranged on the front of the blank pressing machine body (1), and a vertical plate (3) is fixedly connected to the upper end of the first fixed plate (2), and two groups of vertical plates (3) are arranged, and a horizontal plate (4) is fixedly connected to the upper end of the vertical plate (3), and a spring (5) is fixedly connected to the upper end of the horizontal plate (4), and a first connecting plate (6) is fixedly connected to the upper end of the spring (5), and a screen frame (7) is fixedly connected between the two groups of first connecting plates (6), and a reducer (8) is fixedly connected to the bottom of the screen frame (7), and a first motor (9) is arranged on the front of the screen frame (7), and an eccentric block (10) is fixedly connected to the output end of the first motor (9).

2. The green compacting machine with a screening device for producing polytetrafluoroethylene according to claim 1, characterized in that: The upper end of the first fixed plate (2) is fixedly connected to a feed pipe (11), and the upper end of the feed pipe (11) is fixedly connected to a feed collection port (12).

3. The green compacting machine with a screening device for producing polytetrafluoroethylene according to claim 2, characterized in that: A material holding block (13) is rotatably connected inside the feeding tube (11), a second motor (14) is provided at the upper end of the first fixing plate (2), and an output end of the second motor (14) is fixedly connected to the material holding block (13).

4. The green compacting machine with a screening device for producing polytetrafluoroethylene according to claim 3, characterized in that: The first fixing plate (2) is fixedly connected to a second fixing plate (15) on the front side, a first telescopic cylinder (16) is arranged on the front side of the second fixing plate (15), and the output end of the first telescopic cylinder (16) is rotatably connected to a second connecting plate (17).

5. The green compacting machine with a screening device for producing polytetrafluoroethylene according to claim 4, characterized in that: The back side of the second connecting plate (17) is fixedly connected with a sliding block (18), and two groups of sliding blocks (18) are provided.

6. The green compacting machine with a screening device for producing polytetrafluoroethylene according to claim 5, characterized in that: A third fixed plate (19) is arranged on the front of the blank pressing machine body (1), a cushion block (20) is fixedly connected to the upper end of the third fixed plate (19), a second telescopic cylinder (21) is arranged on the upper end of the cushion block (20), a discharge barrel (22) is fixedly connected to the output end of the second telescopic cylinder (21), a hose (23) is fixedly connected to the upper end of the discharge barrel (22), and the upper end of the hose (23) is fixedly connected to the bottom end of the discharge pipe (11).

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