Automatic detection device for filter plate tripping of filter press

Abstract

The present invention discloses an automatic detection device for the disengagement of filter plates of a filter press, comprising a filter press body, a conveying mechanism, a PLC controller, a filter plate body and an electric lifting rod, wherein a conveying mechanism is installed at one end of the filter press body, a support frame is installed at the bottom end of the filter press body, a transmission mechanism is installed inside the filter press body, and a chain is arranged inside the transmission mechanism, a U-shaped frame is installed on the side wall of one side of the filter press body, and the U-shaped frame is sleeved on the outer wall of the chain, a plate pulling trolley is sleeved on the outer wall of the U-shaped frame, and a fixed frame is installed on the top of the plate pulling trolley. The automatic detection device for the disengagement of filter plates of a filter press determines whether the plate pulling trolleys on both sides of the filter plate body have proximity switches through a PLC controller, so as to confirm whether the plate pulling trolley is normally suspended, thereby facilitating a quick alarm to the operator to avoid the filter plate and the track from being pulled obliquely, causing danger to equipment and personnel.

Description

Technical Field

[0001] The invention relates to the technical field of filter press processing, in particular to an automatic detection device for the release of a filter plate of a filter press. Background Art

[0002] With the continuous promotion of mechanized coal mining technology and the rapid development of coal preparation technology in China, the automatic plate pulling mechanism of the filter press in the coal preparation plant includes a frequency conversion motor, a clutch, a sprocket, a chain, a plate pulling trolley, a proximity switch, etc. It is an important part of the plate and frame filter press. The chain drives the left and right plate pulling trolleys to complete the plate pulling. The plate pulling motor starts and drives the trolley to start taking the plate. The frequency converter automatically reverses to the plate pulling state after sending an overload signal. During the plate pulling process, if the frequency converter sends an overload signal, it will enter the plate taking state. This is a plate taking and pulling cycle. During this process, the filter chamber is opened and the filter cake is unloaded to complete the unloading process. The filter plate of the filter press is an important part of the filter press. Therefore, an automatic detection device for the filter plate tripping of the filter press is required to detect the filter plate:

[0003] However, most of the automatic detection devices for filter plate disengagement of filter presses on the market currently have the problem that the plate pulling trolley does not hang the plate due to long-term use, wear or failure of the hook on the trolley, and wear or fall off of the handle on the filter plate. If the trolley hangs the plate on one side and the trolley on the other side does not, in serious cases, the filter plate will be pulled tilted against the track, or even derailed and the plate will fall off, causing danger to equipment and personnel and affecting its use. Summary of the invention

[0004] The object of the present invention is to provide an automatic detection device for the detachment of a filter plate of a filter press, so as to solve the problem proposed in the above background technology that if a trolley on one side hangs a plate and a trolley on the other side does not hang a plate, in serious cases, the filter plate will be pulled obliquely from the track, or even derail and fall off, causing danger to equipment and personnel.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an automatic detection device for filter plate disengagement of a filter press, comprising a filter press body, a conveying mechanism, a PLC controller, a filter plate body and an electric lifting rod, wherein a conveying mechanism is installed at one end of the filter press body, a support frame is installed at the bottom end of the filter press body, a transmission mechanism is installed inside the filter press body, and a chain is arranged inside the transmission mechanism, a U-shaped frame is installed on the side wall of one side of the filter press body, and the U-shaped frame is sleeved on the outer wall of the chain, a plate pulling trolley is sleeved on the outer wall of the U-shaped frame, and a fixing frame is installed on the top of the plate pulling trolley, and a U-shaped frame is installed on the top of the fixing frame, and the U A second hinged seat is installed at one end of the bottom end of the U-shaped frame, a slide rail is installed at the top end of the filter press body, and the top end of the slide rail is slidably connected to the filter plate body, the side walls on both sides of the filter plate body are installed with fixed plates, the side wall on one side of the fixed plate is installed with a Z-shaped frame, and the bottom end of the Z-shaped frame is installed with a transmission roller through a bearing, the top of the Z-shaped frame is installed with a proximity switch, the bottom end of the U-shaped frame is installed with a first limit plate, one end of the bottom end of the U-shaped frame is installed with a first hinged seat, the bottom end of the filter press body is installed with a material guide plate, the side wall on one side of the support frame is installed with a control panel, and the top of the filter press body is installed with a PLC controller.

[0006] The invention discloses an automatic detection device for filter plate disengagement of a filter press, wherein an electric lifting rod penetrating the interior of a U-shaped frame is installed on the top of the plate pulling trolley, and a second limiting plate is installed on the outer wall of the electric lifting rod.

[0007] The invention discloses an automatic detection device for the disengagement of a filter plate of a filter press. A nut is installed on a side wall of one side of the fixing plate, and the nut is fixedly connected to a main body of the filter plate.

[0008] The invention discloses an automatic detection device for the release of a filter plate of a filter press, wherein the side walls at both ends of the Z-shaped frame are provided with first slots.

[0009] The invention discloses an automatic detection device for the release of a filter plate of a filter press. The Z-shaped frame is in a Z shape, and the Z-shaped frame and a fixed plate are a welded integrated structure.

[0010] The invention discloses an automatic detection device for filter plate disengagement of a filter press, wherein a first hinge plate is hinged inside the first hinge seat, and a second slot is provided at one end of the first hinge plate close to the second hinge seat.

[0011] The invention discloses an automatic detection device for filter plate disengagement of a filter press, wherein a second hinge plate is hingedly connected inside the second hinge seat, and a third clamping groove is provided on a side wall at one end of the second hinge plate.

[0012] The invention discloses an automatic detection device for the disengagement of a filter plate of a filter press, wherein the first hinged plate and the second hinged plate respectively form a rotating structure through a first hinged seat and a second hinged seat.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The slide rail, fixed plate, Z-shaped frame, transmission roller, first slot and proximity switch are installed. Through the cooperation between the slide rail and the transmission roller, the filter plate body can slide inside the slide rail through the transmission roller. At the same time, through the design of the PLC controller and the proximity switch, the PLC controller can determine whether there are proximity switches on the plate pulling trolleys on both sides of the filter plate body, so as to confirm whether the plate is normally suspended, so as to quickly alarm the operator and avoid the filter plate and the track from being pulled obliquely, causing danger to equipment and personnel;

[0015] 2. At the same time, the device is equipped with a first hinge seat, a first hinge plate, a second slot, a second hinge seat, an electric lifting rod and a second limiting plate. The first hinge plate and the second hinge plate respectively form a rotating structure through the first hinge seat and the second hinge seat, so that the first hinge plate and the second hinge plate can rotate inside the first hinge seat and the second hinge seat. At the same time, through the mutual cooperation of the second slot and the third slot, and the mutual cooperation of the second slot and the third slot with the first slot, it is convenient to make the filter plate body be limited and fixed by the second slot and the third slot. At the same time, through the design of the first limiting plate and the second limiting plate, it is convenient to limit the first hinge plate and the second hinge plate during rotation through the first limiting plate and the second limiting plate to prevent the filter plate from falling and derailing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the main structure of the filter plate of the present invention;

[0018] Figure 3 This is a schematic diagram of the internal structure of the U-shaped frame of the present invention;

[0019] Figure 4 It is a schematic diagram of the main structure of the plate pulling trolley of the present invention.

[0020] In the figure: 1. filter press body; 2. conveying mechanism; 3. support frame; 4. transmission mechanism; 5. chain; 6. U-shaped frame; 7. plate pulling trolley; 8. U-shaped frame; 9. PLC controller; 10. slide rail; 11. filter plate body; 12. fixing plate; 13. nut; 14. Z-shaped frame; 15. transmission roller; 16. first slot; 17. proximity switch; 18. fixing frame; 19. first hinge seat; 20. first hinge plate; 21. second slot; 22. second hinge seat; 23. second hinge plate; 24. third slot; 25. first limit plate; 26. electric lifting rod; 27. second limit plate; 28. guide plate; 29. ​​control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 , an embodiment of the present invention: an automatic detection device for filter plate disengagement of a filter press, comprising a filter press body 1, a conveying mechanism 2, a PLC controller 9, a filter plate body 11 and an electric lifting rod 26, a conveying mechanism 2 is installed at one end of the filter press body 1, a support frame 3 is installed at the bottom end of the filter press body 1, a transmission mechanism 4 is installed inside the filter press body 1, and a chain 5 is arranged inside the transmission mechanism 4, a U-shaped frame 6 is installed on the side wall of one side of the filter press body 1, and the U-shaped frame 6 is sleeved on the outer wall of the chain 5, and a plate pulling trolley 7 is sleeved on the outer wall of the U-shaped frame 6;

[0023] The top of the plate pulling trolley 7 is equipped with an electric lifting rod 26 that penetrates the interior of the U-shaped frame 8, and the outer wall of the electric lifting rod 26 is equipped with a second limiting plate 27. By starting the electric lifting rod 26, the second limiting plate 27 is driven to limit and fix the first hinged plate 20, so as to fix the filter plate body 11;

[0024] A fixing frame 18 is installed at the top of the plate pulling trolley 7, a U-shaped frame 8 is installed at the top of the fixing frame 18, and a second hinge seat 22 is installed at one end of the bottom of the U-shaped frame 8;

[0025] A second hinged plate 23 is hingedly connected inside the second hinged seat 22, and a third slot 24 is provided on the side wall of one end of the second hinged plate 23. The third slot 24 engages with the first slot 16 to make the filter plate body 11 more firmly fixed to the plate pulling trolley 7.

[0026] A slide rail 10 is installed at the top of the filter press body 1, and the top of the slide rail 10 is slidably connected to a filter plate body 11, and the side walls on both sides of the filter plate body 11 are installed with fixed plates 12;

[0027] A nut 13 is installed on the side wall of one side of the fixing plate 12, and the nut 13 is fixedly connected to the filter plate body 11. The fixing plate 12 is convenient for operators to install by the nut 13 and the filter plate body 11.

[0028] A Z-shaped frame 14 is installed on the side wall of one side of the fixed plate 12; the side walls at both ends of the Z-shaped frame 14 are provided with a first card slot 16, and the first card slot 16 is engaged with the second card slot 21 and the third card slot 24 respectively, so that the operator can fix the filter plate body 11 more firmly on the plate pulling trolley 7;

[0029] The Z-shaped frame 14 is in a Z-shape, and the Z-shaped frame 14 and the fixing plate 12 are welded into an integrated structure, so that the Z-shaped frame 14 and the fixing plate 12 are fixed more firmly;

[0030] A transmission roller 15 is installed at the bottom of the Z-shaped frame 14 through a bearing, a proximity switch 17 is installed at the top of the Z-shaped frame 14, a first limit plate 25 is installed at the bottom of the U-shaped frame 8, and a first hinge seat 19 is installed at one end of the bottom of the U-shaped frame 8;

[0031] A first hinged plate 20 is hinged inside the first hinged seat 19, and a second slot 21 is provided at one end of the first hinged plate 20 close to the second hinged seat 22. The first hinged plate 20 and the second hinged plate 23 respectively form a rotating structure through the first hinged seat 19 and the second hinged seat 22, so that the first hinged plate 20 is squeezed by the Z-shaped frame 14 while the plate pulling trolley 7 moves, so that the first hinged plate 20 is rotated inside the first hinged seat 19 to fix the filter plate body 11;

[0032] A material guide plate 28 is installed at the bottom end of the filter press body 1 , a control panel 29 is installed on the side wall of one side of the support frame 3 , and a PLC controller 9 is installed at the top end of the filter press body 1 .

[0033] Working principle: When the filter plate disengagement automatic detection device of the filter press is used, the transmission mechanism 4 is first started to drive the chain 5 and the plate-pulling trolley 7 to move, so that the plate-pulling trolley 7 moves to drive the U-shaped frame 8, the first hinged plate 20 and the second hinged plate 23 to move at the same time. When the plate-pulling trolley 7 is moving, the first hinged plate 20 is squeezed by the Z-shaped frame 14, so that the first hinged plate 20 rotates inside the first hinge seat 19, so that the Z-shaped frame 14 is located between the first hinged plate 20 and the second hinged plate 23. At the same time, the first card slot 16 is respectively engaged with the second card slot 21 and the third card slot 24. At the same time, through the design of the first limit plate 25, and by starting the electric lifting rod 26 to drive the second limit plate 27 to limit and fix the first hinged plate 20, it is convenient to fix the filter plate body 11 to prevent the filter plate body 11 from falling and derailing.

[0034] At the same time, when it is necessary to detect the release of the filter plate of the filter press, a proximity switch 17 is installed on the top of the Z-shaped frame 14, and the slide rail 10 and the transmission roller 15 cooperate with each other, so that the filter plate body 11 can slide inside the slide rail 10 through the transmission roller 15. At the same time, through the design of the PLC controller 9 and the proximity switch 17, the PLC controller 9 can determine whether the plate pulling trolleys 7 on both sides of the filter plate body 11 have proximity switches 17, so as to confirm whether the plate pulling is normally suspended, thereby facilitating the rapid alarm of the operator to avoid the filter plate and the track from being pulled obliquely, causing danger to equipment and personnel. The above is the entire working principle of the present invention.

[0035] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An automatic detection device for filter plate disengagement of a filter press, comprising a filter press body (1), a conveying mechanism (2), a PLC controller (9), a filter plate body (11) and an electric lifting rod (26), characterized in that: A conveying mechanism (2) is installed at one end of the filter press body (1), a support frame (3) is installed at the bottom end of the filter press body (1), a transmission mechanism (4) is installed inside the filter press body (1), and a chain (5) is arranged inside the transmission mechanism (4), a U-shaped frame (6) is installed on the side wall of one side of the filter press body (1), and the U-shaped frame (6) is sleeved on the outer wall of the chain (5), a plate pulling trolley (7) is sleeved on the outer wall of the U-shaped frame (6), and a fixing frame (18) is installed at the top of the plate pulling trolley (7), a U-shaped frame (8) is installed at the top of the fixing frame (18), and a second hinge seat (22) is installed at one end of the bottom end of the U-shaped frame (8), and a slide rail (10) is installed at the top of the filter press body (1) , and the top of the slide rail (10) is slidably connected to the filter plate body (11), the side walls on both sides of the filter plate body (11) are both installed with fixed plates (12), the side wall on one side of the fixed plate (12) is installed with a Z-shaped frame (14), and the bottom end of the Z-shaped frame (14) is installed with a transmission roller (15) through a bearing, the top of the Z-shaped frame (14) is installed with a proximity switch (17), the bottom end of the U-shaped frame (8) is installed with a first limit plate (25), one end of the bottom end of the U-shaped frame (8) is installed with a first hinge seat (19), the bottom end of the filter press body (1) is installed with a material guide plate (28), the side wall on one side of the support frame (3) is installed with a control panel (29), and the top of the filter press body (1) is installed with a PLC controller (9), The top of the plate pulling trolley (7) is provided with an electric lifting rod (26) penetrating the interior of the U-shaped frame (8), and the outer wall of the electric lifting rod (26) is provided with a second limit plate (27). The side walls at both ends of the Z-shaped frame (14) are provided with a first card slot (16). The first hinge seat (19) is hinged with a first hinge plate (20) inside, and a second card slot (21) is provided at one end of the first hinge plate (20) close to the second hinge seat (22). The second hinge seat (22) is hinged with a second hinge plate (23) inside, and a third card slot (24) is provided on the side wall at one end of the second hinge plate (23). The first hinge plate (20) and the second hinge plate (23) respectively form a rotating structure through the first hinge seat (19) and the second hinge seat (22).

2. The automatic detection device for filter plate disengagement of a filter press according to claim 1, characterized in that: A nut (13) is installed on a side wall of one side of the fixing plate (12), and the nut (13) is fixedly connected to the filter plate body (11).

3. The automatic detection device for filter plate disengagement of a filter press according to claim 1, characterized in that: The Z-shaped frame (14) is in a Z-shape, and the Z-shaped frame (14) and the fixing plate (12) are a welded integrated structure.

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