Pressing structure of vacuum filter cloth machine

Abstract

The utility model discloses a vacuum filter cloth machine pressing structure which comprises a cross beam, a cross rod is arranged below the cross beam, a stand column is arranged between the upper end of the cross rod and the cross beam, a threaded hole is formed in the end, far away from the stand column, of the cross beam, a threaded rod is installed in the threaded hole, and a positioning nut is installed on the side wall of the threaded rod. A fastening screw rod is installed on one side wall of the positioning nut, a limiting block is arranged at the bottom end of the screw rod, a buckle plate is installed at the bottom end of the limiting block, two rotating shafts are installed in the buckle plate, and two steel balls are installed on each rotating shaft. The pressing structure has the beneficial effects that the tightening screw rod is arranged on the positioning nut, and the positioning nut cannot slide downwards by screwing the tightening screw rod inwards to the side wall of the screw rod, so that the pressing structure of the vacuum filter cloth machine cannot loosen or shift along with the movement of filter cloth or the vibration of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum filter cloth machines, in particular to a compression structure of a vacuum filter cloth machine. Background Art

[0002] At present, during the operation of the vacuum filter cloth machine, the middle part of the filter cloth is pressed by gypsum, while the edges on both sides of the filter cloth are empty. After the filter cloth has been running for a period of time, it will gradually age, lose its elasticity, and be slightly stretched, causing the edges on both sides of the filter cloth that are not covered by gypsum to curl up, and air will be sucked in from the curled parts, reducing the vacuum degree of the dehydrator.

[0003] The vacuum degree of the vacuum filter cloth machine is the most important parameter to measure the dehydration effect of the vacuum filter cloth machine. The lower the vacuum degree, the worse the dehydration effect of the vacuum filter cloth machine, and the lower the quality of the gypsum. At present, the replacement frequency of the filter cloth of the vacuum filter cloth machine is about one year of operation. Because the longer the filter cloth runs, the more obvious the curling of the edges on both sides of the filter cloth will be, and the humidity of the gypsum will become higher and higher. When a certain humidity is reached, the gypsum cannot be sold, and it will also cause environmental pollution.

[0004] The Chinese patent with the announcement number CN215310642U discloses a filter cloth clamping device for a vacuum belt dehydrator, which relates to the technical field of vacuum filter cloth machines. The device consists of a fixed bracket and a clamping device; the fixed bracket is in an inverted "L" shape, and is fixedly connected to the dehydrator through its lower end. There is a threaded hole on the cross beam at the upper end of the fixed bracket, and the clamping device is connected and fixed through the threaded hole; the upper end of the clamping device is an adjusting screw, and the adjusting screw has an external thread. The adjusting screw is threadedly connected to the threaded hole on the cross beam at the upper end of the fixed bracket, and the position of the clamping device can be adjusted up and down by rotating the adjusting screw. Now adjust the downward tightening force of the clamping device to achieve the effect of clamping the filter cloth; the lower end of the clamping device is provided with a steel groove, which is fixedly connected to the adjusting screw; four steel balls pass through holes punched in the center of the balls, and two support rods pass through the two steel balls respectively, and the two support rods with steel balls are arranged in parallel and fixed in the steel groove, and the four steel balls can rotate freely along their respective support rods, and the lower ends of the four steel balls all exceed the bottom edge of the lower end of the steel groove, ensuring that the four steel balls clamp the filter cloth, and the filter cloth can move along the rolling direction of the four steel balls; after the tightening force of the clamping device is adjusted, the clamping device is positioned by the positioning nut located on the adjusting screw.

[0005] When in use, the filter cloth pressing device of the vacuum belt dewatering machine of the above-mentioned patent is fixedly connected to the dewatering machine through the lower end of the fixed bracket, and the threaded hole connects and fixes the pressing device. The position of the pressing device can be adjusted up and down by rotating the adjusting screw to adjust the downward tightening force of the pressing device. Four steel balls press the filter cloth, and the filter cloth can move along the rolling direction of the four steel balls, thereby achieving the effect of pressing the filter cloth. After the tightening force of the pressing device is adjusted, the pressing device is positioned by the positioning nut on the adjusting screw. However, the pressing device is positioned by the positioning nut on the adjusting screw. The positioning nut may loosen or shift with the movement of the filter cloth or the vibration of the device, and the pressing device will loosen. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The technical problem to be solved by the utility model is to provide a vacuum filter cloth machine pressing structure which will not loosen or shift with the movement of the filter cloth or the vibration of the device in view of the current status of the prior art.

[0008] (II) Technical solution

[0009] The utility model is achieved through the following technical scheme: the utility model proposes a clamping structure of a vacuum filter cloth machine, including a cross beam, a cross rod is arranged below the cross beam, a column is arranged between the upper end of the cross rod and the cross beam, a threaded hole is opened on the cross beam at the far end of the column, a screw is installed inside the threaded hole, a positioning nut is installed on the side wall of the screw, a tightening screw is installed on one side wall of the positioning nut, a limiting block is arranged at the bottom end of the screw, a buckle plate is installed at the bottom end of the limiting block, two rotating shafts are installed inside the buckle plate, and two steel balls are installed on each of the rotating shafts.

[0010] Furthermore, the cross bar is welded to the column, and the column is welded to the cross beam.

[0011] By adopting the above technical solution, the pressing device is at a certain distance from the vacuum filter cloth machine body and will not collide or rub with the vacuum filter cloth machine body.

[0012] Furthermore, the threaded hole vertically penetrates the column, and the threaded hole is threadedly connected to the screw rod.

[0013] By adopting the above technical solution, the clamping device adjusts the height through the threaded hole and the screw rod, so that the clamping device presses the filter cloth without deformation, and at the same time does not generate excessive friction between the filter cloth and the vacuum filter cloth machine body to consume electrical energy.

[0014] Furthermore, the outer wall of the positioning nut is a hexagonal structure, and the positioning nut is threadedly connected to the screw rod.

[0015] By adopting the above technical solution, the positioning nut can be tightened upward to the lower end of the beam to fix the screw rod to the fixing bracket.

[0016] Furthermore, a through hole is opened on one side wall of the positioning nut, the tightening screw is threadedly connected to the positioning nut, and a hexagonal screw head structure is arranged on the side of the tightening screw away from the positioning nut.

[0017] By adopting the above technical solution, the tightening screw is tightened inwardly to the side wall of the screw so that the positioning nut will not slide downward.

[0018] Furthermore, the limit block is a rectangular parallelepiped structure, the cross section of the limit block is larger than the cross section of the screw rod, the screw rod is welded to the limit block, and the limit block is welded to the buckle plate.

[0019] By adopting the above technical solution, the positioning nut will not slide down onto the limiting block.

[0020] Furthermore, the buckle plate is welded to the rotating shaft, and the rotating shaft is rotatably connected to the steel ball.

[0021] By adopting the above technical solution, the steel ball can rotate well to press the filter cloth so that it does not deform.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] In order to solve the problem that the clamping device of the existing vacuum filter cloth machine is positioned by a positioning nut on the adjusting screw when in use, and the positioning nut may loosen or shift with the movement of the filter cloth or the vibration of the device, thereby causing the clamping device to loosen, the utility model arranges a tightening screw on the positioning nut, and tightens the tightening screw inwardly to the side wall of the screw to prevent the positioning nut from sliding downward, thereby preventing the clamping structure of the vacuum filter cloth machine from loosening or shifting with the movement of the filter cloth or the vibration of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a compacting structure of a vacuum filter cloth machine described in the utility model;

[0026] Figure 2 It is a main sectional view of a compacting structure of a vacuum filter cloth machine described in the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Fixed bracket; 2. Cross bar; 3. Column; 4. Cross beam; 5. Threaded hole; 6. Screw; 7. Positioning nut; 8. Clamping screw; 9. Limit block; 10. Buckle plate; 11. Rotating shaft; 12. Steel ball. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] like Figure 1-Figure 2 As shown, a vacuum filter cloth machine pressing structure in this embodiment includes a cross beam 1, a cross bar 2 is arranged below the cross beam 1, a column 3 is arranged between the upper end of the cross bar 2 and the cross beam 1, the cross bar 2 and the column 1 help the cross beam 1 to stay away from the vacuum filter cloth machine body, and a threaded hole 5 is opened at the far end of the cross beam 1 from the column 3, a screw 6 is installed inside the threaded hole 5, the thread of the threaded hole 5 matches the screw 6, a positioning nut 7 is installed on the side wall of the screw 6, the thread of the screw 6 matches the positioning nut 7, and the positioning nut 7 is tightened to The lower end of the crossbeam 1 positions the screw 6, and the positioning nut 7 fixes the position of the screw 6. A tightening screw 8 is installed on one side wall of the positioning nut 7. The internal thread of the hole on one side wall of the positioning nut 7 matches the tightening screw 8. A limit block 9 is set at the bottom end of the screw 6. The limit block 9 prevents the positioning nut 7 from sliding downward. A buckle plate 10 is installed at the bottom end of the limit block 9. Two rotating shafts 11 are installed inside the buckle plate 10. Two steel balls 4 are installed on each rotating shaft 11. The steel balls exert pressure on the filter cloth without interfering with the movement of the filter cloth.

[0031] like Figure 1-Figure 2As shown, the cross bar 2 is welded to the column 3, and the column 3 is welded to the cross beam 1. The clamping device is at a certain distance from the vacuum filter cloth machine body and will not collide or rub with the vacuum filter cloth machine body. The threaded hole 5 vertically penetrates the column 3, and the threaded hole 5 is threadedly connected with the screw 6. The clamping device adjusts the height through the threaded hole 5 and the screw 6, so that the clamping device presses the filter cloth without deformation, and at the same time does not cause excessive friction between the filter cloth and the vacuum filter cloth machine body to consume electricity. The outer wall of the positioning nut 7 is a hexagonal structure, and the positioning nut 7 is threadedly connected with the screw 6. The positioning nut 7 can be tightened upward to the lower end of the cross beam 4 to make the screw 6 and the fixed bracket 1 is fixed, a through hole is opened on one side wall of the positioning nut 7, the tightening screw 8 is threadedly connected with the positioning nut 7, a hexagonal screw head structure is arranged on the side of the tightening screw 8 away from the positioning nut 7, the tightening screw 8 is tightened inwardly to the side wall of the screw 6 so that the positioning nut 7 will not slide downward, the limit block 9 is a rectangular parallelepiped structure, the cross section of the limit block 9 is larger than the cross section of the screw 6, the screw 6 is welded to the limit block 9, the limit block 9 is welded to the buckle plate 10, the positioning nut 7 will not slide down to the limit block 9, the buckle plate 10 is welded to the rotating shaft 11, the rotating shaft 11 is rotatably connected to the steel ball 4, and the steel ball 4 can rotate well to press the filter cloth so that it does not deform.

[0032] The specific implementation process of this embodiment is as follows: when the clamping structure of the vacuum filter cloth machine is in use, the cross bar 2 is fixed on the vacuum filter cloth machine body, the screw 6 is turned downward to press the steel ball 4 on the filter cloth with appropriate force, the positioning nut 7 is screwed upward to the lower end of the cross beam 1 and tightened, and then the tightening screw 8 is tightened to prevent the clamping structure of the vacuum filter cloth machine from loosening or displacement as the filter cloth moves or the device vibrates.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vacuum filter cloth machine pressing structure, characterized in that: The invention comprises a cross beam (1), a cross bar (2) is arranged below the cross beam (1), a column (3) is arranged between the upper end of the cross bar (2) and the cross beam (1), a threaded hole (5) is opened on the cross beam (1) at a distance from the column (3), a screw rod (6) is installed inside the threaded hole (5), a positioning nut (7) is installed on the side wall of the screw rod (6), a tightening screw rod (8) is installed on the side wall of the positioning nut (7), a limit block (9) is arranged at the bottom end of the screw rod (6), a buckle plate (10) is installed at the bottom end of the limit block (9), two rotating shafts (11) are installed inside the buckle plate (10), and two steel balls (4) are installed on each rotating shaft (11).

2. The vacuum filter cloth machine pressing structure according to claim 1, characterized in that: The crossbar (2) is welded to the upright column (3), and the upright column (3) is welded to the crossbeam (1).

3. The vacuum filter cloth machine pressing structure according to claim 1 is characterized in that: The threaded hole (5) vertically penetrates the column (3), and the threaded hole (5) is threadedly connected to the screw rod (6).

4. The vacuum filter cloth machine pressing structure according to claim 1, characterized in that: The outer wall of the positioning nut (7) is a hexagonal structure, and the positioning nut (7) is threadedly connected to the screw rod (6).

5. The vacuum filter cloth machine pressing structure according to claim 1 is characterized in that: A through hole is formed on one side wall of the positioning nut (7); the tightening screw (8) is threadedly connected to the positioning nut (7); and a hexagonal screw head structure is provided on the side of the tightening screw (8) away from the positioning nut (7).

6. The vacuum filter cloth machine pressing structure according to claim 1, characterized in that: The limit block (9) is a rectangular parallelepiped structure, the cross section of the limit block (9) is larger than the cross section of the screw rod (6), the screw rod (6) and the limit block (9) are welded, and the limit block (9) and the buckle plate (10) are welded.

7. The vacuum filter cloth machine pressing structure according to claim 1 is characterized in that: The buckle plate (10) is welded to the rotating shaft (11), and the rotating shaft (11) is rotatably connected to the steel ball (4).

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