Filter press convenient for discharging

Abstract

The utility model relates to the technical field of filter presses, and discloses a filter press convenient to discharge, which comprises a filter press shell, a filter plate is mounted in an inner cavity of the filter press shell, filter cloth is mounted on the surface of the filter plate, and a filter frame is arranged on the right side of the filter plate; the first hydraulic telescopic rod is arranged on the right side of the filter press shell, and an extrusion plate is fixed to the left end of the first hydraulic telescopic rod; the mounting frame is arranged on the upper surface of the filter press shell, a stepping motor is mounted at the bottom of the mounting frame, a screw rod is coaxially mounted on a rotor of the stepping motor, a lifting rod is rotationally connected to the surface of the screw rod, and a scraping plate is mounted at the bottom end of the lifting rod. The stepping motor can drive the lead screw to rotate, the lead screw rotates to drive the lifting rod to ascend and descend, the lifting rod can drive the scraping plate to clean the residual solids on the surface of the filter cloth, and therefore workers do not need to spend time in cleaning the residual solids on the surface of the filter cloth.

Description

Technical Field

[0001] The utility model relates to the technical field of filter presses, in particular to a filter press which is convenient for unloading. Background Art

[0002] The filter press is a mechanical device that uses a special filter medium to apply a certain pressure to the object, causing the liquid to seep out. It is a commonly used solid-liquid separation equipment.

[0003] Common filter presses generally use a hydraulic telescopic rod to drive the extrusion plate to move, and the extrusion plate compresses the filtered sewage. The liquid in the sewage will be squeezed out through the filter cloth, and the solids in the sewage will remain in the filter frame. However, due to the high pressure on the solids, they are easily adsorbed on the surface of the filter, making it difficult for the staff to unload the solids from the filter frame. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a filter press that is easy to unload, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a filter press convenient for unloading, comprising:

[0006] A filter press housing, wherein a filter plate is installed in the inner cavity of the filter press housing, a filter cloth is installed on the surface of the filter plate, and a filter frame is provided on the right side of the filter plate;

[0007] A first hydraulic telescopic rod is arranged on the right side of the filter press housing, and a squeezing plate is fixed to the left end of the first hydraulic telescopic rod;

[0008] The mounting frame is arranged on the upper surface of the filter press shell, a stepper motor is installed at the bottom of the mounting frame, a screw rod is coaxially installed on the rotor of the stepper motor, a lifting rod is screwed on the surface of the screw rod, and a scraper is installed at the bottom end of the lifting rod.

[0009] Preferably, sliders are installed on both sides of the lifting rod, and sliding grooves are opened on the inner walls of both sides of the mounting frame. The sliders are embedded in the inner cavity of the sliding grooves. The sliders cooperate with the sliding grooves to limit the lifting rod so that the lifting rod can move vertically.

[0010] Preferably, a second hydraulic telescopic rod is installed at the lower right part of the filter press housing, and a movable plate is installed at the left end of the second hydraulic telescopic rod. The upper surface of the movable plate is connected to the surface of the filter frame. Starting the second hydraulic telescopic rod can drive the movable plate to move, and the movable plate can drive the filter frame to separate from the surface of the filter plate, thereby discharging the filtered residual solids.

[0011] Preferably, limit blocks are installed on both sides of the filter frame, and limit grooves are opened on both sides of the filter press housing. The limit blocks are embedded in the inner cavity of the limit grooves, so that the filter frame can move stably.

[0012] Preferably, a water storage tank is installed on the left side of the inner cavity of the filter press housing, and the right side of the water storage tank is connected to the surface of the filter plate. A collecting box is installed at the bottom of the filter press housing, the water storage tank is used to collect filtered water, and the collecting box is used to collect discharged solids.

[0013] Preferably, a feed pipe is installed on the upper surface of the filter frame, the feed pipe passes through the upper surface of the filter press housing, a check valve is installed in the inner cavity of the feed pipe, and sewage can be injected into the filter frame through the feed pipe. Beneficial Effects

[0014] Compared with the prior art, the utility model provides a filter press that is easy to unload and has the following beneficial effects:

[0015] The filter press which is easy to unload is provided with a first hydraulic telescopic rod which can drive the extrusion plate to move toward the inner cavity of the filter frame, thereby squeezing the sewage in the filter frame. The liquid in the sewage will be extracted through the filter cloth, and the solid will be intercepted by the filter cloth. When the filtered solid is unloaded, starting the stepper motor can drive the screw rod to rotate, and the rotation of the screw rod can drive the lifting rod to rise and fall, and the lifting rod can drive the scraper to clean the solids remaining on the surface of the filter cloth, so that the staff does not need to spend time cleaning the solids remaining on the surface of the filter cloth, which is convenient for the staff to unload the filter press. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the filter plate and the filter frame of the utility model;

[0019] Figure 4 It is a schematic cross-sectional structural diagram of the mounting frame of the utility model.

[0020] In the figure: 1. filter press housing; 2. filter plate; 3. filter cloth; 4. filter frame; 5. first hydraulic telescopic rod; 6. extrusion plate; 7. mounting frame; 8. stepping motor; 9. screw rod; 10. lifting rod; 11. scraper; 12. slider; 13. slide; 14. second hydraulic telescopic rod; 15. moving plate; 16. limit block; 17. limit slot; 18. water storage tank; 19. collection box; 20. feed pipe. DETAILED DESCRIPTION

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

[0022] The utility model provides a technical solution, a filter press that is easy to unload, please refer to Figure 1 , including filter press housing 1, see Figure 3 A filter plate 2 is installed in the inner cavity of the filter press housing 1, a filter cloth 3 is installed on the surface of the filter plate 2, and a filter frame 4 is provided on the right side of the filter plate 2;

[0023] See also Figure 2 , a first hydraulic telescopic rod 5 is arranged on the right side of the filter press housing 1, and a squeezing plate 6 is fixed to the left end of the first hydraulic telescopic rod 5;

[0024] The mounting frame 7 is arranged on the upper surface of the filter press housing 1, see Figure 4 A stepper motor 8 is installed at the bottom of the mounting frame 7, and a screw rod 9 is coaxially installed on the rotor of the stepper motor 8. A lifting rod 10 is screwed on the surface of the screw rod 9, and a scraper 11 is installed at the bottom end of the lifting rod 10. Starting the first hydraulic telescopic rod 5 can drive the extrusion plate 6 to move toward the inner cavity of the filter frame 4, thereby squeezing the sewage in the filter frame 4, and the liquid in the sewage will be extracted through the filter cloth 3, and the solid will be intercepted by the filter cloth 3. When the filtered solid is unloaded, starting the stepper motor 8 can drive the screw rod 9 to rotate, and the rotation of the screw rod 9 can drive the lifting rod 10 to rise and fall, and the lifting rod 10 can drive the scraper 11 to clean the solids remaining on the surface of the filter cloth 3, so that the staff does not need to spend time cleaning the solids remaining on the surface of the filter cloth 3, which is convenient for the staff to unload the filter press;

[0025] Slide blocks 12 are installed on both sides of the lifting rod 10, and slide grooves 13 are opened on the inner walls of both sides of the mounting frame 7. The slide blocks 12 are embedded in the inner cavity of the slide grooves 13. The slide blocks 12 cooperate with the slide grooves 13 to limit the lifting rod 10 so that the lifting rod 10 can move vertically;

[0026] See also Figure 2 A second hydraulic telescopic rod 14 is installed at the lower right side of the filter press housing 1, and a movable plate 15 is installed at the left end of the second hydraulic telescopic rod 14. The upper surface of the movable plate 15 is connected to the surface of the filter frame 4. Starting the second hydraulic telescopic rod 14 can drive the movable plate 15 to move, and the movable plate 15 can drive the filter frame 4 to separate from the surface of the filter plate 2, so as to discharge the filtered residual solids;

[0027] See also Figure 1 , both sides of the filter frame 4 are installed with limit blocks 16, both sides of the filter press housing 1 are provided with limit grooves 17, and the limit blocks 16 are embedded in the inner cavity of the limit grooves 17, so that the filter frame 4 can move stably;

[0028] A water storage tank 18 is installed on the left side of the inner cavity of the filter press housing 1, and the right side of the water storage tank 18 is connected to the surface of the filter plate 2. A collecting box 19 is installed at the bottom of the filter press housing 1. The water storage tank 18 is used to collect filtered water, and the collecting box 19 is used to collect discharged solids.

[0029] See also Figure 2 A feed pipe 20 is installed on the upper surface of the filter frame 4 , and the feed pipe 20 passes through the upper surface of the filter press housing 1 . A check valve is installed in the inner cavity of the feed pipe 20 , and sewage can be injected into the filter frame 4 through the feed pipe 20 .

[0030] The device can first inject sewage into the filter frame 4 through the feed pipe 20, and the first hydraulic telescopic rod 5 can drive the squeezing plate 6 to move toward the inner cavity of the filter frame 4, so as to squeeze the sewage in the filter frame 4, and the liquid in the sewage will be extracted through the filter cloth 3, and the solid will be intercepted by the filter cloth 3. Then, when the filtered solid is unloaded, the second hydraulic telescopic rod 14 is started to drive the moving plate 15 to move, and the moving plate 15 can drive the filter frame 4 to separate from the surface of the filter plate 2, so as to discharge the filtered residual solid. Finally, the stepping motor 8 is started to drive the screw rod 9 to rotate, and the rotation of the screw rod 9 can drive the lifting rod 10 to rise and fall, and the lifting rod 10 can drive the scraper 11 to clean the residual solid on the surface of the filter cloth 3, so that the staff does not need to spend time cleaning the residual solid on the surface of the filter cloth 3, which is convenient for the staff to unload the filter press.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter press convenient for unloading, characterized in that: include: A filter press housing (1), wherein a filter plate (2) is installed in the inner cavity of the filter press housing (1), a filter cloth (3) is installed on the surface of the filter plate (2), and a filter frame (4) is provided on the right side of the filter plate (2); A first hydraulic telescopic rod (5) is arranged on the right side of the filter press housing (1), and a squeezing plate (6) is fixed to the left end of the first hydraulic telescopic rod (5); The mounting frame (7) is arranged on the upper surface of the filter press housing (1), and a stepper motor (8) is installed at the bottom of the mounting frame (7). A screw rod (9) is coaxially installed on the rotor of the stepper motor (8). A lifting rod (10) is screwed onto the surface of the screw rod (9), and a scraper (11) is installed at the bottom end of the lifting rod (10).

2. A filter press for easy unloading according to claim 1, characterized in that: Slide blocks (12) are installed on both sides of the lifting rod (10), and slide grooves (13) are opened on the inner walls of both sides of the mounting frame (7), and the slide blocks (12) are embedded in the inner cavity of the slide grooves (13).

3. A filter press for easy unloading according to claim 1, characterized in that: A second hydraulic telescopic rod (14) is installed at the lower right side of the filter press housing (1), a movable plate (15) is installed at the left end of the second hydraulic telescopic rod (14), and the upper surface of the movable plate (15) is connected to the surface of the filter frame (4).

4. A filter press for easy unloading according to claim 3, characterized in that: Limit blocks (16) are installed on both sides of the filter frame (4), and limit grooves (17) are provided on both sides of the filter press housing (1), and the limit blocks (16) are embedded in the inner cavity of the limit grooves (17).

5. The filter press for easy unloading according to claim 1, characterized in that: A water storage tank (18) is installed on the left side of the inner cavity of the filter press housing (1), and the right side of the water storage tank (18) is connected to the surface of the filter plate (2). A collection box (19) is installed at the bottom of the filter press housing (1).

6. The filter press for easy unloading according to claim 1, characterized in that: A feed pipe (20) is installed on the upper surface of the filter frame (4), the feed pipe (20) penetrates the upper surface of the filter press housing (1), and a check valve is installed in the inner cavity of the feed pipe (20).

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