Conveying belt sealing device

Abstract

The utility model provides a conveyer belt sealing device which is symmetrically installed on two sides of a conveyer belt and comprises a fixing plate, welding studs, a pressing plate and a sealing strip, the fixing plate facing the conveyer belt is arranged on supports on two sides of the conveyer belt, the welding studs are fixedly arranged on the side face, facing the conveyer belt, of the fixing plate, and the pressing plate is arranged on the fixing plate. A through hole corresponding to the welding stud is formed in the pressing plate, the pressing plate is arranged on the welding stud in a sleeved mode, a nut is installed on the welding stud, the pressing plate is tightly attached to the fixing plate through the nut, and a sealing strip is installed between the pressing plate and the fixing plate. According to the conveying belt sealing device, the pressing plate is pushed to be tightly attached to the fixing plate through the nut on the welding stud, when the position of the sealing strip needs to be adjusted or an abraded sealing strip needs to be replaced, only the nut needs to be loosened, the pressure of the pressing plate on the sealing strip is relieved, and the sealing strip can be replaced. The sealing strip can be easily taken out or repositioned between the pressing plate and the fixing plate, and the problem that the replacement process is tedious due to the fact that the sealing strip is directly fixed and installed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belt sealing, in particular to a conveyor belt sealing device. Background Art

[0002] In the grain transportation industry, conveyor belts are key logistics equipment used to efficiently transport grain products such as grain, seeds, and flour from one location to another. In order to ensure the integrity of materials during transportation and reduce environmental pollution, sealing strips are usually installed on both sides of the conveyor belt. During the grain transportation process, the sealing strips act as a barrier to prevent grain from falling from both sides of the conveyor belt and reduce material loss. When transporting grain, especially dry grain, dust is easily generated. Sealing strips can effectively suppress dust leakage, improve the working environment, and protect the health of workers. Good sealing performance helps to maintain an even distribution of materials on the conveyor belt, thereby improving overall transportation efficiency and production capacity.

[0003] Currently common sealing strip materials include polyurethane (PU) sealing strips, rubber sealing strips and synthetic fiber reinforced sealing strips. Polyurethane is a highly wear-resistant, oil-resistant and tear-resistant elastomeric material, suitable for grain conveyor belts. Due to its excellent physical properties, it can withstand long-term friction and is not easily damaged; rubber sealing strips are more widely used, but compared with polyurethane, rubber has poorer wear resistance and may require more frequent replacement; synthetic fiber reinforced sealing strips combine strength and flexibility, and are suitable for application scenarios that withstand greater pressure and bending.

[0004] Regardless of the material of the sealing strip, after long-term use, the sealing strip will wear out, resulting in reduced sealing performance, affecting the sealing of the conveyor belt during use. Especially during grain transportation, grain particles will leak out from the gap between the worn sealing strip and the conveyor belt, resulting in grain waste and loss. The leaked grain particles will also affect the normal operation of the conveyor belt. Therefore, the sealing strip needs to be replaced in time after a period of use.

[0005] At present, domestic belt conveyors use a sealing method to fix the sealing strip directly on the corresponding fixed plate, and it cannot be adjusted arbitrarily. The sealing strip will wear out after a period of use, and materials will fall from the sealing strip or dust will fall from the gap between the sealing strip and the conveyor belt. Therefore, a new sealing strip needs to be replaced, and the directly fixed sealing strip is very troublesome to replace. Utility Model Content

[0006] Aiming at the problem that it is troublesome to replace a new sealing strip after the sealing strip is worn, the utility model provides a conveyor belt sealing device which relies on a pressing mechanism to press the sealing strip onto a fixed plate and the sealing strip can be adjusted arbitrarily.

[0007] The utility model solves the technical problem by adopting the following scheme: a conveyor belt sealing device, which is symmetrically installed on both sides of the conveyor belt, and comprises a fixing plate, a welding stud, a clamping plate and a sealing strip. Fixing plates facing the conveyor belt are arranged on brackets on both sides of the conveyor belt, and a plurality of welding studs are fixed on the side of the fixing plate facing the conveyor belt. The clamping plate is provided with perforations corresponding to the welding studs, the clamping plate is sleeved on the welding studs, nuts are installed on the welding studs, the clamping plate is pressed against the fixing plate by the nuts, and a sealing strip is installed between the clamping plate and the fixing plate.

[0008] Furthermore, the fixing plate is inclined downward toward the surface of the conveyor belt, and the lower end of the sealing strip clamped between the pressing plate and the fixing plate abuts against the surface of the conveyor belt.

[0009] Furthermore, a clamping angle iron block is fixed to the lower end of the clamping plate, and the right-angled side of the clamping angle iron block faces the fixed plate, and the sealing strip is pressed and fixed on the fixed plate by the right-angled side of the clamping angle iron block.

[0010] Furthermore, a clamping pad is also mounted on the welding stud, and the clamping pad includes a fixed pad and a movable pad, wherein the fixed pad and the movable pad are trapezoidal pads, the fixed pad is fixed on the clamping plate, the inclined surface of the movable pad is opposite to the inclined surface of the fixed pad, the movable pad is also provided with a lever, the lever is provided with an axial hole, a connecting rod is installed through the axial hole, the connecting rod simultaneously connects the levers of multiple movable pads, the connecting rod is rotated by pulling the connecting rod, so that the contact surfaces of the movable pad and the fixed pad slide relative to each other, the movable pad pushes the fixed pad and the clamping plate, the clamping plate and the fixed plate clamp the sealing pad therebetween, a tension spring is also installed at the end of the connecting rod, a hook is provided on the conveyor belt bracket, the tension spring hook is hung on the hook to fix the connecting rod and the lever.

[0011] Further, a row of welding studs is welded and fixed on the lower side of the fixing plate, and the welding studs are spaced 500-800 mm apart.

[0012] The beneficial effects of the utility model: the conveyor belt sealing device provided by the utility model pushes the clamping plate close to the fixed plate through the nut on the welding stud, thereby generating sufficient clamping force between the two, and firmly fixing the sealing strip in the appropriate position; when it is necessary to adjust the position of the sealing strip or replace the worn sealing strip, it is only necessary to loosen the nut to reduce the pressure of the clamping plate on the sealing strip, so that the sealing strip can be easily removed or repositioned from between the clamping plate and the fixed plate, avoiding the problem of cumbersome replacement process caused by direct fixed installation of the sealing strip, and significantly reducing maintenance time and labor intensity.

[0013] At the same time, the utility model provides a compression pad, and the inclined surfaces of the fixed pad and the movable pad are aligned to form a wedge-shaped space. The movable pad is adjusted in position through the linkage mechanism of the connecting rod and the lever, thereby changing the contact surface position between the movable pad and the fixed pad. The wedge effect generated by the sliding enables the movable pad to push the fixed pad, increase the thrust on the compression plate, and finally strengthen the clamping force between the sealing strip and the conveyor belt. A tension spring is installed at the end of the connecting rod, one end of the tension spring is hooked on the hook on the conveyor belt bracket, and the other end is fixed on the connecting rod. The tension spring provides a preload force to ensure that the movable pad and the fixed pad maintain a certain contact pressure when there is no external operation, thereby maintaining the continuous clamping of the sealing strip. When the sealing strip needs to be replaced or adjusted, it is not necessary to completely disassemble the entire device. It is only necessary to loosen the hooked tension spring, adjust the position of the movable pad by pulling the connecting rod, and loosen the gap between the compression plate and the fixed plate to easily complete the replacement of the sealing strip, which greatly saves maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the conveyor belt and the sealing device;

[0015] Figure 2 is a schematic diagram of the structure of the sealing device;

[0016] Figure 3 is a schematic diagram of the three-dimensional structure of the sealing device;

[0017] Figure 4 is a schematic diagram of the structure of the compression pad;

[0018] Figure 5 It is a schematic diagram of the front view structure of the sealing device.

[0019] Numbers in the figure: 1, bracket; 2, fixing plate; 3, welding stud; 4, clamping plate; 5, sealing strip; 31, clamping pad; 32, connecting rod; 33, tension spring; 311, fixed gasket; 312, movable gasket; 313, lever. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below.

[0021] Example 1: Figure 1 As shown, the utility model provides a conveyor belt sealing device, which is symmetrically installed on both sides of the conveyor belt, and the sealing device is tilted downward to contact the surface of the conveyor belt, so that a bucket-shaped structure is formed between the sealing device and the conveyor belt, which prevents grain from falling from both sides of the conveyor belt during transportation, reduces material loss, and at the same time inhibits dust leakage and improves the working environment.

[0022] Specifically, the sealing device includes a fixed plate 2, a welding stud 3, a clamping plate 4 and a sealing strip 5, wherein the fixed plate 2 is directly welded to the bracket 1 on both sides of the conveyor belt, and the fixed plate 2 is inclined downward toward the conveyor belt, and a row of welding studs 3 are welded and fixed on the lower side of the fixed plate 2, and the welding studs 3 are spaced 500-800mm apart. The clamping plate 4 adopts a frame structure, and a row of perforations corresponding to the welding studs 3 are arranged on the plate surface of the clamping plate 4 parallel to the fixed plate 2. The clamping plate 4 is mounted on the welding stud 3 through the perforations, and a nut is mounted on the welding stud 3 outside the clamping plate 4. The clamping plate 4 is restricted on the welding stud 3 by screwing the nut, and a nut flat spring washer is installed between the nut and the clamping plate 4, and the sealing strip 5 is compressed by adjusting the nut flat spring washer installed on the welding stud 3.

[0023] A sealing strip 5 is installed between the fixed plate 2 and the pressing plate 4 facing one end of the conveyor belt, and the pressing plate 4 is pushed by tightening the nut, so that the sealing strip 5 is fixed between the pressing plate 4 and the fixed plate 2 through the pressing plate 4.

[0024] When the sealing strip 5 is worn and needs to be repaired or replaced, it is only necessary to loosen the nuts on each welding stud 3 to loosen the pressing plate 4, thereby adjusting the position of the sealing strip 5 or replacing the sealing strip 5.

[0025] like Figure 1 and Figure 2 As shown, a clamping angle iron block is fixed to the lower end of the clamping plate 4, and the right-angled part of the clamping angle iron block is welded to the clamping plate 4. The right-angled sides on both sides of the clamping angle iron block face the fixed plate 2, and the sealing strip 5 is pressed against the fixed plate 2 through the two parallel outer sides of the clamping angle iron block. The sealing strip 5 can be clamped more firmly by the outer sides of the clamping angle iron block to prevent the sealing strip 5 from loosening.

[0026] Example 2: Figure 3 and Figure 4 As shown, the welding stud 3 is also provided with a compression pad 31, which includes a fixed pad 311 and a movable pad 312. Both pads are trapezoidal in design. The fixed pad 311 is fixed on the compression plate 4, and the movable pad 312 is connected to the connecting rod 32 system through a lever 313. The inclined surface of the movable pad 312 is opposite to the inclined surface of the fixed pad 311, forming an adjustable wedge-shaped space.

[0027] The movable pad 312 is provided with a lever 313, and the lever 313 is provided with an axial hole, and the connecting rod 32 is movably connected with the lever 313 through the axial hole, so as to connect the levers 313 of the plurality of movable pads 312 together. When the connecting rod 32 is pulled, the lever 313 is driven to rotate, so that the movable pad 312 slides relative to the fixed pad 311.

[0028] A tension spring 33 is installed at the end of the connecting rod 32, and the other end of the tension spring 33 is hooked on a hook on the conveyor belt support 1. The function of the tension spring 33 is to keep the movable gasket 312 in a pre-tightened state against the fixed gasket 311, ensuring that the sealing strip 5 is always in a clamped state.

[0029] When in use, the nut on the welding stud 3 is set at a suitable position, the sealing strip 5 is clamped between the pressing plate 4 and the fixed plate 2, and the connecting rod 32 is pulled to make the lever 313 drive the movable gasket 312 to rotate, so that the movable gasket 312 and the fixed gasket 311 are dislocated, and the movable gasket 312 presses the fixed gasket 311 and the pressing plate 4 to fix the sealing strip 5. Then the tension spring 33 at the end of the connecting rod 32 is stretched and hooked on the hook of the bracket 1, and the tension of the tension spring 33 is used to keep the movable gasket 312 and the fixed gasket 311 in a dislocated and compressed state, ensuring that the sealing gasket is firmly installed.

[0030] When the sealing strip 5 is worn and needs to be replaced, remove the tension spring 33 from the hook of the bracket 1, push the connecting rod 32 to make the movable gasket 312 rotate in the opposite direction, so that the movable gasket 312 and the fixed gasket 311 overlap, reduce the clamping force of the clamping plate 4 and the fixed plate 2, and make the sealing strip 5 easily removed from between the clamping plate 4 and the fixed plate 2. After the replacement is completed, hook the tension spring 33 on the hook again to restore the clamping state.

[0031] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A conveyor belt sealing device, which is symmetrically installed on both sides of the conveyor belt, characterized in that: The invention comprises a fixing plate (2), a welding stud (3), a clamping plate (4) and a sealing strip (5). The fixing plate (2) facing the conveyor belt is arranged on the brackets (1) on both sides of the conveyor belt. A plurality of welding studs (3) are fixed on the side of the fixing plate (2) facing the conveyor belt. The clamping plate (4) is provided with perforations corresponding to the welding studs (3). The clamping plate (4) is sleeved on the welding studs (3). Nuts are installed on the welding studs (3). The clamping plate (4) is tightly attached to the fixing plate (2) by the nuts. The sealing strip (5) is installed between the clamping plate (4) and the fixing plate (2).

2. The conveyor belt sealing device according to claim 1, characterized in that: The fixed plate (2) is oriented toward the surface of the conveyor belt and is inclined downward, and the lower end of the sealing strip (5) clamped between the pressing plate (4) and the fixed plate (2) abuts against the surface of the conveyor belt.

3. The conveyor belt sealing device according to claim 1, characterized in that: A clamping angle iron block is fixed to the lower end of the clamping plate (4), the right-angled side of the clamping angle iron block faces the fixed plate (2), and the sealing strip (5) is clamped and fixed on the fixed plate (2) by the right-angled side of the clamping angle iron block.

4. The conveyor belt sealing device according to claim 1, characterized in that: The welding stud (3) is also provided with a compression pad (31), and the compression pad (31) comprises a fixed pad (311) and a movable pad (312), wherein the fixed pad (311) and the movable pad (312) are trapezoidal pads, the fixed pad (311) is fixed on the compression plate (4), the inclined surface of the movable pad (312) is opposite to the inclined surface of the fixed pad (311), and the movable pad (312) is also provided with a lever (313), and the lever (313) is provided with an axial hole, through which a connecting rod (32) is installed, and the connecting rod (32) is connected to a plurality of movable pads at the same time. The lever (313) of the movable gasket (312) is rotated by pulling the connecting rod (32), thereby causing the contact surfaces of the movable gasket (312) and the fixed gasket (311) to slide relative to each other. The movable gasket (312) pushes the fixed gasket (311) and the clamping plate (4). The clamping plate (4) and the fixed plate (2) clamp a sealing gasket installed therebetween. A tension spring (33) is also installed at the end of the connecting rod (32). A hook is provided on the support (1) of the conveyor belt. The tension spring (33) is hooked on the hook to fix the connecting rod (32) and the lever (313).

5. The conveyor belt sealing device according to claim 1, characterized in that: A row of welding studs (3) is welded and fixed on the lower side of the fixing plate (2), and the intervals between the welding studs (3) are 500-800 mm.

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