A protective device for preventing loss of filter cloth

Abstract

The utility model relates to vacuum belt filter prevents filter cloth material loss's protection equipment technical field, especially in kind of preventing filter cloth material loss's protection device, including frame, be located the driving assembly for transmission in the frame surface, be located the support assembly for supporting in the frame inner chamber, be located the filter cloth for filtering in the driving assembly surface, and support assembly includes the support roller in the middle section of frame, and be located the end support mechanism in the frame end, the utility model discloses through end support mechanism in support assembly can provide effective lateral support force for the material on the conveyer belt, especially in the case where the material moisture content is larger, the fluidity is stronger, this support effect can prevent material from overflowing from the side significantly, thereby avoiding material loss and the pollution of production environment, at the same time, through the cooperation of nut, screw and knob, the position of supporting roller can be flexibly adjusted according to actual demand.

Description

Technical Field

[0001] This utility model relates to the technical field of protective equipment for preventing the loss of filter cloth material in vacuum belt filters, and in particular to a protective device for preventing the loss of filter cloth material. Background Technology

[0002] Vacuum belt filters are a type of high-efficiency solid-liquid separation equipment that uses the gravity of materials and vacuum suction to achieve efficient filtration. They mainly consist of a vacuum system, a filtration system, a drive system, and a control system, and are widely used in mining, metallurgy, chemical and other fields.

[0003] Currently, after fine-cutting processing, nitrocellulose is typically filtered using a vacuum belt filter. The finely cut nitrocellulose material is first conveyed to the filter cloth surface of the filter. Under vacuum suction, some moisture is effectively removed, thus achieving initial concentration of the material. Subsequently, the dehydrated nitrocellulose material is transported to a transfer tank via a belt conveyor system for the next production process. However, in actual production, due to the unstable operation of the vacuum belt filter and fluctuations in material concentration, the material concentration at the end of the filter is often too low. In this case, the material cannot be fully retained and often leaks to the ground from the side of the equipment along with water. This not only results in the loss of useful materials but also pollutes the production environment and increases the cleaning burden. The main reason for this is that the material itself has too high a moisture content, which prevents the filter cloth section before entering the transfer tank from forming sufficient load-bearing capacity. The material overflows from the side due to its excessive fluidity, thus causing leakage.

[0004] Therefore, this utility model proposes a protective device to prevent the loss of filter cloth material, aiming to solve the problem in the prior art where the filter cloth section before entering the transfer tank cannot form sufficient load-bearing capacity due to the high moisture content of the material itself, resulting in the material overflowing from the side due to excessive fluidity, thus causing leakage at the end of the vacuum belt filter. Utility Model Content

[0005] In order to overcome the problem that the existing vacuum belt filter ends cannot form sufficient load-bearing capacity, which makes it easy for materials with high water content to leak.

[0006] The technical solution of this utility model is as follows: a protective device for preventing filter cloth material loss, comprising a frame, a drive assembly located on the surface of the frame for transmission, a support assembly located in the inner cavity of the frame for support, a filter cloth located on the surface of the drive assembly for filtration, and a collection box for receiving material. The drive assembly includes a drive roller located at one end of the frame, a driven roller located at the other end of the frame, and a conveyor belt located on the surfaces of the drive roller and the driven roller. The support assembly includes a support roller located in the middle section of the frame, and an end support mechanism located at the end of the frame. The end support mechanism includes a support roller for end support, a fixing box for supporting the support roller, a support plate and a support rod, and a nut, a screw and a knob for adjusting the position of the support roller, wherein the surface of the support roller contacts the top of the conveyor belt.

[0007] Preferably, a feed pump is configured at the front end of the frame. The feed pump evenly conveys the nitrocellulose material onto the conveyor belt through a distributor. The drive motor and reducer drive the drive roller to rotate, which in turn drives the conveyor belt. At the same time, the tension roller provides appropriate tension to ensure the smooth operation of the conveyor belt. Under the negative pressure generated by the vacuum device, the filter cloth adheres tightly to the surface of the conveyor belt, and some of the moisture in the material is effectively removed, achieving preliminary concentration. The end support mechanisms located on both sides of the end of the frame provide support force. Nuts, screws, and knobs cooperate to adjust the support rollers. The position of the support roller ensures close contact between its surface and the conveyor belt, supporting the material on the conveyor belt and preventing materials with high moisture content and excessive fluidity from overflowing from the side. The slide block slides on the slide rail surface, and the support plate is fixed to the top of the slide block. One end of the support rod is fixedly connected to the support roller, and the other end is rotatably connected to the support plate through a bearing. It slides in the through groove at the connection between the fixed box and the frame, further enhancing the support and stability of the material. After dehydration and concentration, the material is finally transported to the collection box located at the end of the frame, completing the entire filtration process.

[0008] Preferably, the end support mechanism is provided in two sets, located on both sides of the end of the frame. The end support mechanism also includes a slide rail fixed to the bottom of the inner cavity of the fixed box, and a slide block sliding on the surface of the slide rail. The fixed box is fixedly connected to the frame.

[0009] Preferably, the nut is fixed to one end of the fixing box, one end of the screw is fixedly connected to the knob, the other end of the screw passes through the nut and extends into the inner cavity of the fixing box, and is rotatably connected to the support plate through a bearing, and the surface of the screw meshes with the inner cavity of the nut.

[0010] Preferably, the support plate is fixed to the top of the slide block, a through groove is provided at the connection between the fixing box and the frame, and the support rod is slidably connected to the through groove. One end of the support rod is fixedly connected to the support roller, and the other end of the support rod is rotatably connected to the support plate through a bearing.

[0011] Preferably, the filter cloth is located on the surface of the conveyor belt, the collection box is located at the end of the frame, and the support roller is rotatably connected to the frame via bearings and in contact with the conveyor belt.

[0012] Preferably, the drive assembly further includes a tensioning roller for providing tension, and a drive motor and reducer for driving the active roller to rotate. The active roller, driven roller and tensioning roller are all rotatably connected to the frame via bearings.

[0013] Preferably, both the drive motor and the reducer are fixed to the surface of the frame, the drive motor is connected to the output shaft of the reducer, and the output shaft of the reducer is connected to the drive roller.

[0014] The beneficial effects of this utility model are as follows: The end support mechanism in the support assembly can provide effective lateral support for the material on the conveyor belt. Especially when the material has a high moisture content and high fluidity, this support can significantly prevent the material from overflowing from the side, thereby avoiding material loss and pollution of the production environment. At the same time, through the cooperation of nuts, screws and knobs, the position of the support rollers can be flexibly adjusted according to actual needs, further enhancing the adaptability and practicality of the equipment. In addition, the setting of slide rails and slide blocks not only ensures the smooth movement of the support plate, but also improves the stability and durability of the entire support assembly, providing a strong guarantee for the long-term stable operation of the vacuum belt filter. Attached Figure Description

[0015] Figure 1 The diagram shown is a front view of the present invention. Figure 2 The diagram shown illustrates the connection structure between the frame and the drive assembly of this utility model. Figure 3 The diagram shown is a schematic representation of the separated state structure of the end support mechanism of this utility model. Figure 4 This utility model is shown. Figure 2 A magnified schematic diagram of the local structure at point A.

[0016] Explanation of reference numerals in the attached drawings: 100, frame; 200, drive assembly; 210, drive roller; 220, driven roller; 230, conveyor belt; 240, tension roller; 250, drive motor; 260, reducer; 300, support assembly; 310, support roller; 320, end support mechanism; 321, support roller; 322, fixing box; 323, support plate; 324, support rod; 325, nut; 326, screw; 327, knob; 328, slide block; 329, slide rail; 400, filter cloth; 500, collection box. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Example 1 Please see Figures 1 to 4 This utility model provides an embodiment of a protective device for preventing filter cloth material loss, comprising a frame 100, a drive assembly 200 located on the surface of the frame 100 for transmission, a support assembly 300 located in the inner cavity of the frame 100 for support, a filter cloth 400 located on the surface of the drive assembly 200 for filtration, and a collection box 500 for receiving material. The drive assembly 200 includes a drive roller 210 located at one end of the frame 100, a driven roller 220 located at the other end of the frame 100, and a positioning roller 220. The conveyor belt 230 is located on the surfaces of the drive roller 210 and the driven roller 220. The support assembly 300 includes a support roller 310 located in the middle section of the frame 100 and an end support mechanism 320 located at the end of the frame 100. The end support mechanism 320 includes a support roller 321 for end support, a fixing box 322 for supporting the support roller 321, a support plate 323 and a support rod 324, and a nut 325, a screw 326 and a knob 327 for adjusting the position of the support roller 321. The surface of the supporting roller 321 contacts the top of the conveyor belt 230. Two sets of end support mechanisms 320 are provided, located on either side of the end of the frame 100. The end support mechanism 320 also includes a slide rail 329 fixed to the bottom of the inner cavity of the fixed box 322, and a slide block 328 sliding on the surface of the slide rail 329. The fixed box 322 is fixedly connected to the frame 100. A nut 325 is fixed to one end of the fixed box 322, and one end of the screw 326 is fixedly connected to the knob 327. The other end of the screw 326 passes through the nut 325 and extends into the inner cavity of the fixed box 322. It is rotatably connected to the support plate 323 through a bearing. The surface of the screw 326 meshes with the inner cavity of the nut 325. The support plate 323 is fixed to the top of the slide block 328. A through groove is provided at the connection between the fixed box 322 and the frame 100. The support rod 324 is slidably connected to the through groove. One end of the support rod 324 is fixedly connected to the support roller 321. The other end of the support rod 324 is rotatably connected to the support plate 323 through a bearing.

[0019] During operation, the drive assembly 200 starts, and the active roller 210 begins to rotate, driving the driven roller 220 to rotate synchronously via the conveyor belt 230. At this time, the filter cloth 400 moves along with the conveyor belt 230, and the material is filtered on the filter cloth 400. In the support assembly 300, the support roller 310 provides intermediate support for the conveyor belt 230 and the filter cloth 400, while the end support mechanism 320 effectively supports the ends of the conveyor belt 230 and the filter cloth 400. When the position of the support roller 321 needs to be adjusted to better adapt to different situations, simply turn the knob 327. The knob 327 drives the screw 326 to rotate. Since the screw 326 meshes with the nut 325 and is rotatably connected to the support plate 323 via a bearing, and the support plate 323 is fixed to the top of the slide block 328, which slides on the surface of the slide rail 329, the rotation of the screw 326 will drive the support plate 323 along... The slide rail 329 moves, which in turn drives the support rod 324 to slide within the through groove, ultimately adjusting the position of the support roller 321. This ensures that the material on the filter cloth 400 does not leak off during transport, and the material eventually falls into the collection box 500. The support assembly 300 not only enhances the stability of the conveyor belt 230 and the filter cloth 400 during operation, but also effectively prevents lateral overflow caused by high moisture content and high fluidity of the material. In actual production, this protective device can flexibly adjust the position of the support roller 321 according to the characteristics of the material and production needs, ensuring that the material remains on the filter cloth 400 during filtration and transport, thereby greatly reducing material loss and pollution of the production environment. In addition, the slide rail 329 and the slide block 328 make the movement of the support plate 323 more stable, further improving the reliability and service life of the support assembly 300.

[0020] Example 2 Please see Figures 2 to 4 The difference from Embodiment 1 is that the filter cloth 400 is located on the surface of the conveyor belt 230, the collection box 500 is located at the end of the frame 100, the support roller 310 is rotatably connected to the frame 100 through bearings and is in contact with the conveyor belt 230, and the drive assembly 200 also includes a tension roller 240 for providing tension force, and a drive motor 250 and a reducer 260 for driving the active roller 210 to rotate. The active roller 210, the driven roller 220 and the tension roller 240 are all rotatably connected to the frame 100 through bearings. The drive motor 250 and the reducer 260 are both fixed to the surface of the frame 100. The drive motor 250 is drive-connected to the output shaft of the reducer 260, and the output shaft of the reducer 260 is drive-connected to the active roller 210.

[0021] During operation, the frame 100 is also equipped with a vacuum device, a cleaning device, and a feeding device. The vacuum device consists of a vacuum tank, a vacuum pump assembly, a vacuum box, and vacuum tubes, used to generate a negative pressure environment during the operation of the filter cloth 400, ensuring that the filter cloth 400 can tightly adhere to the working surface. The cleaning device can be installed below the frame 100 for washing the conveyor belt 230 and the filter cloth 400. The feeding device is located at the front end of the top of the frame 100, used to evenly convey the material to be filtered onto the surface of the conveyor belt 230. When the device starts... During operation, the feeding device conveys the nitrocellulose material onto the conveyor belt 230. The drive motor 250 and reducer 260 drive the drive roller 210 to rotate, which in turn drives the conveyor belt 230. Simultaneously, the tension roller 240 provides appropriate tension to ensure the smooth operation of the conveyor belt 230. Under the negative pressure generated by the vacuum device, the filter cloth 400 adheres tightly to the surface of the conveyor belt 230, effectively removing some of the moisture from the material and achieving preliminary concentration. The end support mechanisms 3 located on both sides of the end of the frame 100... 20 provides support. Nut 325, screw 326, and knob 327 work together to adjust the position of support roller 321, ensuring close contact between the surface of support roller 321 and conveyor belt 230. This supports the material on conveyor belt 230 and prevents materials with high moisture content and high fluidity from overflowing from the side. Slide 328 slides on the surface of slide rail 329. Support plate 323 is fixed to the top of slide 328. One end of support rod 324 is fixedly connected to support roller 321, and the other end is connected to support plate 329 via bearing. The rotating connection and sliding within the through groove at the connection between the fixed box 322 and the frame 100 further enhances the support and stability of the material. After dehydration and concentration, the material is finally conveyed to the collection box 500 located at the end of the frame 100 to complete the entire filtration process. During the entire operation, the cleaning device can wash the conveyor belt 230 and the filter cloth 400 in a timely manner to ensure the cleanliness and normal operation of the device. The vacuum device, cleaning device and feeding device are all currently disclosed mature technologies, so they will not be described in detail here.

[0022] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A protective device for preventing filter cloth material loss, comprising a frame (100), a drive assembly (200) located on the surface of the frame (100) for transmission, a support assembly (300) located in the inner cavity of the frame (100) for support, a filter cloth (400) located on the surface of the drive assembly (200) for filtration, and a collection box (500) for receiving material, characterized in that: The drive assembly (200) includes a drive roller (210) located at one end of the frame (100), a driven roller (220) located at the other end of the frame (100), and a conveyor belt (230) located on the surfaces of the drive roller (210) and the driven roller (220). The support assembly (300) includes a support roller (310) located in the middle section of the frame (100), and an end support mechanism (320) located at the end of the frame (100). The end support mechanism (320) includes a support roller (321) for end support, a fixing box (322) for supporting the support roller (321), a support plate (323) and a support rod (324) for supporting the support roller (321), and a nut (325), a screw (326) and a knob (327) for adjusting the position of the support roller (321). The surface of the support roller (321) is in contact with the top of the conveyor belt (230).

2. The protective device for preventing filter cloth material loss according to claim 1, characterized in that: The end support mechanism (320) is provided in two sets, located on both sides of the end of the frame (100). The end support mechanism (320) also includes a slide rail (329) fixed to the bottom of the inner cavity of the fixed box (322) and a slide block (328) sliding on the surface of the slide rail (329). The fixed box (322) is fixedly connected to the frame (100).

3. The protective device for preventing filter cloth material loss according to claim 2, characterized in that: The nut (325) is fixed to one end of the fixing box (322), one end of the screw (326) is fixedly connected to the knob (327), the other end of the screw (326) passes through the nut (325) and extends into the inner cavity of the fixing box (322), and is rotatably connected to the support plate (323) through the bearing, and the surface of the screw (326) meshes with the inner cavity of the nut (325).

4. The protective device for preventing filter cloth material loss according to claim 3, characterized in that: The support plate (323) is fixed to the top of the slide (328). A through groove is provided at the connection between the fixed box (322) and the frame (100), and the support rod (324) is slidably connected to the through groove. One end of the support rod (324) is fixedly connected to the support roller (321), and the other end of the support rod (324) is rotatably connected to the support plate (323) through a bearing.

5. The protective device for preventing filter cloth material loss according to claim 1, characterized in that: The filter cloth (400) is located on the surface of the conveyor belt (230), the collection box (500) is located at the end of the frame (100), and the support roller (310) is rotatably connected to the frame (100) through a bearing and is in contact with the conveyor belt (230).

6. The protective device for preventing filter cloth material loss according to claim 1, characterized in that: The drive assembly (200) also includes a tension roller (240) for providing tension, and a drive motor (250) and a reducer (260) for driving the active roller (210) to rotate. The active roller (210), the driven roller (220) and the tension roller (240) are all rotatably connected to the frame (100) via bearings.

7. The protective device for preventing filter cloth material loss according to claim 6, characterized in that: The drive motor (250) and the reducer (260) are both fixed on the surface of the frame (100). The drive motor (250) is connected to the output shaft of the reducer (260) and the output shaft of the reducer (260) is connected to the drive roller (210).

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