A conveying mechanism for welding device production

Abstract

The present invention relates to the technical field of auxiliary equipment of conveying devices, and discloses a conveying mechanism for welding device production, wherein a paint spraying component is fixedly installed on the conveying component, a drying component is fixedly installed on the front end of the conveying component, a dust removal component is arranged at the front end of the drying component, the conveying component comprises a side mounting frame, the number of the side mounting frames is two and they are symmetrically distributed, mounting plates are fixedly installed on both ends of the side mounting frame, shaft sleeve plates are installed on the mounting plates, connecting plates are fixedly installed on the mounting plates, adjusting bolts are threadedly connected to the connecting plates, the shaft ends of the adjusting bolts press against the shaft sleeve plates, a conveying shaft is movably sleeved between the shaft sleeve plates, a conveying roller is fixedly sleeved on the shaft body of the conveying shaft, a conveying belt is transmission sleeved between the conveying rollers, a motor is fixedly connected to the shaft end of the conveying shaft located at the rear end of the side mounting frame, the device has the function of changing the blowing angle of the drying airflow, and the device has a certain cleaning function.

Description

Technical Field

[0001] The present invention relates to the technical field of auxiliary equipment for conveying devices, and more specifically to a conveying mechanism for producing welding devices. Background Art

[0002] Welding devices refer to equipment that can meet the requirements of welding processes. Welding devices include welding machines, welding process equipment, and welding auxiliary equipment. When processing and producing these welding devices, automatic transportation mechanisms are required to transport these components, so as to facilitate the production process to be carried out in sequence and quickly. In particular, when painting the outer shell of the welding device and some parts, a transportation mechanism is required to transport these body shells and parts in an orderly manner and to carry out the painting process. However, the transportation mechanism for welding device production under the existing technology still has the following deficiencies when carrying out the above-mentioned process;

[0003] First, when the conveying mechanism for welding device production under the prior art performs painting operation on the shell and some parts of the welding device, the paint spraying bin is generally installed on the conveying mechanism, so that the body shell and parts transported on the device can be directly sprayed during transportation. When the body shell or parts are painted, they need to be dried, and the drying device sprays a hot air flow downward, and the hot air flow blows the body shell downward, so that the body shell is dried. However, when the conveying mechanism transports some small parts, the hot air flow blown by the drying device is wider, and the air flow cannot change the blowing angle and become more concentrated. Therefore, the drying effect is not good compared with the body shell with a larger volume, that is, the conveying mechanism for welding device production under the prior art does not have the function of flexibly changing the blowing angle of the drying air flow;

[0004] Secondly, when the conveying mechanism for welding device production in the prior art is transporting the body shell or parts of the welding device, when foreign dust particles adhere to the surface of the body shell or parts, these dust and impurity particles will contaminate the body shell and parts, thereby affecting the subsequent processing technology of the welding device;

[0005] Therefore, in order to solve the above problems, it is necessary to provide a conveying mechanism for welding device production. Summary of the invention

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a conveying mechanism for welding device production to solve the problems existing in the above-mentioned background technology.

[0007] The present invention provides the following technical solution: a conveying mechanism for welding device production, comprising a transport component, a paint spraying component is fixedly installed on the transport component, a drying component is fixedly installed at the front end of the transport component, and a dust removal component is provided at the front end of the drying component;

[0008] The transport assembly includes a side mounting frame, the number of the side mounting frames is two and they are symmetrically distributed, mounting plates are fixedly mounted on both ends of the side mounting frame, shaft sleeve plates are mounted on the mounting plates, connecting plates are fixedly mounted on the mounting plates, adjusting bolts are threadedly connected to the connecting plates, the shaft ends of the adjusting bolts press against the shaft sleeve plates, a transport shaft is movably sleeved between the shaft sleeve plates, a transport roller is fixedly sleeved on the shaft body of the transport shaft, a transport belt is transmission sleeved between the transport rollers, a motor is fixedly connected to the shaft end of the transport shaft at the rear end of the side mounting frame, and the motor is fixedly mounted on the outer surface of the side mounting frame.

[0009] Furthermore, a support plate is fixedly installed between the inner sides of the upper ends of the side mounting frames, and the upper surface of the support plate is in contact with the upper inner side surface of the conveyor belt, and a bracket is fixedly installed between the side mounting frames, and a support roller is movably installed between the inner sides of the bottom ends of the side mounting frames, and the outer side surface of the support roller is in tangential contact with the bottom surface of the conveyor belt, and foot columns are fixedly installed at the four corners of the bottom surface of the side mounting frames, and a cross bar is fixedly installed between the foot columns, and the paint spraying assembly includes a paint spraying bin, which is fixedly installed on the side mounting frames, and the front and rear ends of the paint spraying bin are both installed with evenly distributed curtains.

[0010] Furthermore, the drying component includes a drying bin, which is fixedly mounted on a side mounting frame, and air vents are provided on both sides of the drying bin, and a frame block is fixedly mounted on the upper end of the drying bin, and symmetrically distributed ventilation slots are provided inside the frame block, and a mounting slot is provided in the middle position inside the frame block, and fixed inclined blocks are fixedly mounted on the inner walls of the ventilation slots provided by the frame blocks, and sliding slots are provided on the front and rear inner wall surfaces of the ventilation slots provided by the frame blocks, and movable inclined blocks are provided in the ventilation slots of the frame blocks, and adjacent surfaces of the movable inclined blocks and the fixed inclined blocks fit together, and sliding strips are provided on both side surfaces of the movable inclined block, and the sliding strips are movably connected with the sliding slots, and the movable inclined block is movably connected in the ventilation slots by means of the sliding strips.

[0011] Furthermore, an electric cylinder is fixedly installed in the installation groove opened by the frame block, the driving end of the electric cylinder is connected to a movable rod, the end of the shaft of the movable rod is fixedly connected to the movable inclined block, a cover plate is fixedly installed on the installation groove opened by the frame block, a top block is fixedly installed on the upper end of the frame block, two symmetrically distributed top plates are fixedly installed on the top block, and hot air blowers are fixedly installed on each of the top plates.

[0012] Furthermore, the mating surfaces of the fixed inclined block and the movable inclined block are parallel inclined surfaces. When the fixed inclined block and the movable inclined block are in contact with each other, the ventilation groove is a vertical downward channel. When the fixed inclined block and the movable inclined block are located at both ends respectively, the ventilation groove is an inclined channel with an angle toward the middle.

[0013] Furthermore, the dust removal assembly includes a dust removal frame box, which is fixedly mounted on the side mounting frame and located at the bottom of its front end, the upper inclined surface of the dust removal frame box is provided with evenly distributed dust removal grid grooves, a filter plate is fixedly mounted inside the dust removal frame box, the filter plate divides the interior of the dust removal frame box into two upper and lower spaces, side sealing plates are fixedly mounted on both sides of the upper end of the filter plate, side mounting plates are fixedly mounted on both sides of the lower end of the filter plate, dust removal fans are fixedly mounted on the side mounting plates, and a collection box is fixedly mounted on the front end of the dust removal frame box.

[0014] Technical effects and advantages of the present invention:

[0015] 1. The present invention is provided with a drying assembly. When large-volume parts such as the body shell of the welding device are transported on the conveyor belt, when these parts enter the interior of the drying chamber after the painting operation is completed, the fixed inclined block and the movable inclined block are in contact with each other, and the hot air blower blows the hot air flow downward, and the air flow blows downward through the ventilation slots of the frame block, thereby drying the large-volume body shell and other parts on the conveyor belt. When other small-volume parts of the welding device are transported on the conveyor belt, the electric cylinder can drive the movable rod to drive the movable inclined block to move to the other end of the ventilation slot. At this time, the ventilation slot is an inclined channel with an angle toward the middle. The hot air blower blows the hot air flow downward, and the air flow changes its angle through the ventilation slots of the frame block to blow toward the middle position of the bottom, thereby drying the small-volume parts on the conveyor belt. Since the air flow direction is more concentrated, the drying effect of the small-volume parts is more ideal.

[0016] 2. The present invention is provided with a dust removal assembly. When the body shell or other parts of the welding device are transported to the end of the conveyor belt, the parts will slide down along the upper inclined surface of the dust removal frame box. When sliding down, the dust removal fan exhausts air outwards to form a negative pressure in the internal space of the dust removal frame box. The dust impurities on the surface of the parts will enter the upper space of the dust removal frame box through the dust removal grid groove. The dust impurities are intercepted and filtered by the filter plate. After passing through the filter plate, the airflow is discharged outward at the dust removal fan. The dusted parts fall into the collection box for collection. In this way, the dust removal effect of the parts of the welding device is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the transport component of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the support plate of the present invention.

[0020] Figure 4 It is a schematic diagram of the structure of the drying component of the present invention.

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the drying component of the present invention.

[0022] Figure 6 It is a structural schematic diagram of the movable inclined block of the present invention.

[0023] Figure 7 It is a structural schematic diagram of the fixed inclined block and the movable inclined block of the present invention when they are separated.

[0024] Figure 8 It is a schematic diagram of the structure of the dust removal component of the present invention.

[0025] The accompanying drawings are marked as follows: 1. transport assembly; 101. side mounting frame; 102. mounting plate; 103. shaft sleeve plate; 104. connecting plate; 105. adjusting bolt; 106. transport shaft; 107. transport roller; 108. transport belt; 109. motor; 110. support plate; 111. bracket; 112. support roller; 113. foot column; 114. cross bar; 2. painting assembly; 201. paint chamber; 202. curtain; 3. drying assembly; 301. drying Bin; 302, ventilation groove; 303, frame block; 304, fixed oblique block; 305, slide groove; 306, movable oblique block; 307, slide bar; 308, electric cylinder; 309, movable rod; 310, cover plate; 311, top block; 312, top plate; 313, hot air blower; 4, dust removal assembly; 401, dust removal frame box; 402, dust removal grid groove; 403, filter plate; 404, side sealing plate; 405, side mounting plate; 406, dust removal fan; 407, collection box. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures described in the following embodiments are only examples. The conveying mechanism for welding device production involved in the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained without creative work by ordinary technicians in this field belong to the scope of protection of the present invention.

[0027] Reference Figure 1 The present invention provides a conveying mechanism for welding device production, comprising a transport component 1, a paint spraying component 2 is fixedly installed on the transport component 1, a drying component 3 is fixedly installed at the front end of the transport component 1, and a dust removal component 4 is provided at the front end of the drying component 3;

[0028] In this embodiment, the transport component 1 is used to automatically transport the body shell and other parts of the welding device, the paint spraying component 2 is used to realize the paint spraying operation on the body shell and other parts, the drying component 3 is used to realize the drying effect of the body shell and other parts after the painting is completed, and the dust removal component 4 is used to absorb dust and impurities adhering to the body shell and other parts. The specific structure and working principle of the above components will be described in detail later.

[0029] Reference Figure 2 and Figure 3 The transport component 1 includes a side mounting frame 101, the number of the side mounting frames 101 is two and they are symmetrically distributed, both ends of the side mounting frames 101 are fixedly mounted with mounting plates 102, the mounting plates 102 are mounted with shaft sleeve plates 103, the mounting plates 102 are fixedly mounted with connecting plates 104, the connecting plates 104 are threadedly connected with adjusting bolts 105, the shaft ends of the adjusting bolts 105 press against the shaft sleeve plates 103, a transport shaft 106 is movably sleeved between the shaft sleeve plates 103, a transport roller 107 is fixedly sleeved on the shaft body of the transport shaft 106, a transport belt 108 is transmission sleeved between the transport rollers 107, a motor 109 is fixedly connected to the shaft end of the transport shaft 106 located at the rear end of the side mounting frame 101, the motor 109 It is fixedly mounted on the outer surface of the side mounting frame 101, a support plate 110 is fixedly mounted between the inner sides of the upper ends of the side mounting frame 101, the upper surface of the support plate 110 is in contact with the upper inner side of the conveyor belt 108, a bracket 111 is fixedly mounted between the side mounting frames 101, a support roller 112 is movably mounted between the inner sides of the bottom ends of the side mounting frames 101, the outer side of the support roller 112 is in tangential contact with the bottom surface of the conveyor belt 108, foot posts 113 are fixedly mounted at the four corners of the bottom surface of the side mounting frame 101, and a cross bar 114 is fixedly mounted between the foot posts 113, the paint spraying assembly 2 includes a paint spraying bin 201, the paint spraying bin 201 is fixedly mounted on the side mounting frame 101, and the front and rear ends of the paint spraying bin 201 are both installed with evenly distributed curtains 202;

[0030] In this embodiment, the motor 109 starts to drive the transport shaft 106 to rotate, the rotation of the transport shaft 106 drives the transport roller 107 to rotate, the rotation of the transport roller 107 drives the conveyor belt 108 to operate, the body shell of the welding device and other components are placed on the upper surface of the conveyor belt 108, and are transported as the conveyor belt 108 operates. When the body shell of the welding device and other components are sent into the paint spraying booth 201, they can be painted, and the curtain 202 provides a shielding effect. Since the painting operation of the paint spraying booth 201 is a conventional technical means used by technical personnel in this field, its specific structure and working principle are not described in detail in this embodiment.

[0031] Reference Figure 4-Figure 7 The drying component 3 includes a drying bin 301, which is fixedly mounted on the side mounting frame 101. Air vents 302 are provided on both sides of the drying bin 301. A frame block 303 is fixedly mounted on the upper end of the drying bin 301. The frame block 303 is provided with symmetrically distributed ventilation slots. A mounting slot is provided in the middle position of the frame block 303. Fixed inclined blocks 304 are fixedly mounted on the inner walls of the ventilation slots provided by the frame block 303. Slide slots 305 are provided on the front and rear inner wall surfaces of the ventilation slots provided by the frame block 303. Movable inclined blocks 306 are provided in the ventilation slots of the frame block 303. The adjacent surfaces of the movable inclined blocks 306 and the fixed inclined blocks 304 fit each other. Slide bars 307 are provided on both sides of the movable inclined blocks 306. The slide bars 307 are movably connected with the slide slots 305. The movable inclined blocks 306 are movably connected with the slide slots 305. The strip 307 is movably sleeved in the ventilation slot, an electric cylinder 308 is fixedly installed in the installation slot provided by the frame block 303, a movable rod 309 is connected to the driving end of the electric cylinder 308, the shaft end of the movable rod 309 is fixedly connected to the movable inclined block 306, a cover plate 310 is fixedly installed on the installation slot provided by the frame block 303, a top block 311 is fixedly installed on the upper end of the frame block 303, two symmetrically distributed top plates 312 are fixedly installed on the top block 311, and a hot air blower 313 is fixedly installed on each of the top plates 312, the fitting surfaces of the fixed inclined block 304 and the movable inclined block 306 are mutually parallel inclined surfaces, when the fixed inclined block 304 and the movable inclined block 306 are fitted and contacted with each other, the ventilation slot is a vertical downward channel, when the fixed inclined block 304 and the movable inclined block 306 are respectively located at the two ends, the ventilation slot is an inclined channel with an angle toward the middle;

[0032] In this embodiment, when large-volume parts such as the body shell of the welding device are transported on the conveyor belt 108, when these parts enter the interior of the drying chamber 301 after completing the painting operation, the fixed inclined block 304 and the movable inclined block 306 are in contact with each other, and the hot air blower 313 blows the hot air flow downward, and the air flow blows downward through the ventilation slots of the frame block 303, thereby drying the large-volume body shell and other parts on the conveyor belt 108. When other small-volume parts of the welding device are transported on the conveyor belt 108, the electric cylinder 308 can drive the movable rod 309 to drive the movable inclined block 306 to move to the other end of the ventilation slot. At this time, the ventilation slot is an inclined channel with an angle toward the middle. The hot air blower 313 blows the hot air flow downward, and the air flow changes its angle through the ventilation slots of the frame block 303 and blows toward the middle position of the bottom, thereby drying the small-volume parts on the conveyor belt 108. Since the air flow direction is more concentrated, the drying effect of the small-volume parts is more ideal.

[0033] Reference Figure 8 The dust removal assembly 4 includes a dust removal frame box 401, which is fixedly mounted on the side mounting frame 101 and located at the bottom of its front end. The upper inclined surface of the dust removal frame box 401 is provided with evenly distributed dust removal grid grooves 402. A filter plate 403 is fixedly mounted inside the dust removal frame box 401. The filter plate 403 divides the interior of the dust removal frame box 401 into two upper and lower spaces. Side sealing plates 404 are fixedly mounted on both sides of the upper end of the filter plate 403. Side mounting plates 405 are fixedly mounted on both sides of the lower end of the filter plate 403. Dust removal fans 406 are fixedly mounted on the side mounting plates 405. A collection box 407 is fixedly mounted on the front end of the dust removal frame box 401.

[0034] In this embodiment, when the body shell or other parts of the welding device are transported to the end of the conveyor belt 108, the parts will slide down along the upper inclined surface of the dust removal frame box 401. When sliding, the dust removal fan 406 exhausts air outward to form a negative pressure in the internal space of the dust removal frame box 401. The dust and impurities on the surface of the parts will enter the upper space of the dust removal frame box 401 through the dust removal grid groove 402. The dust and impurities are intercepted and filtered by the filter plate 403. After passing through the filter plate 403, the airflow is discharged outward at the dust removal fan 406. The parts after dust absorption fall into the collection box 407 for collection. In this way, the dust removal effect of the parts of the welding device is achieved.

[0035] The working principle of the present invention is as follows: when large-volume parts such as the body shell of a welding device are transported on the conveyor belt 108, when these parts enter the interior of the drying chamber 301 after completing the painting operation, the fixed inclined block 304 and the movable inclined block 306 are in contact with each other, and the hot air blower 313 blows the hot air flow downward, and the air flow blows downward through the ventilation slots of the frame block 303, thereby drying the large-volume body shell and other parts on the conveyor belt 108. When other small-volume parts of the welding device are transported on the conveyor belt 108, the electric cylinder 308 can drive the movable rod 309 to drive the movable inclined block 306 to move to the other end of the ventilation slot. At this time, the ventilation slot is an inclined channel with an angle toward the middle. The hot air blower 313 blows the hot air flow downward, and the air flow changes its angle through the ventilation slots of the frame block 303 to concentrate on the middle position at the bottom. Blowing can dry small-volume parts on the conveyor belt 108. Since the airflow direction is more concentrated, the drying effect of small-volume parts is more ideal. When the body shell or other parts of the welding device are transported to the end of the conveyor belt 108, the parts will slide down along the upper inclined surface of the dust removal frame box 401. When sliding, the dust removal fan 406 exhausts air outward to form a negative pressure in the internal space of the dust removal frame box 401. The dust and impurities on the surface of the parts will enter the upper space of the dust removal frame box 401 through the dust removal grid groove 402. The dust and impurities are intercepted and filtered by the filter plate 403. After the airflow passes through the filter plate 403, it is discharged outward at the dust removal fan 406. The parts after dust absorption fall into the collection box 407 for collection. In this way, the dust removal effect of the parts of the welding device is achieved.

[0036] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0037] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0038] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A conveying mechanism for welding device production, characterized in that: It comprises a transport component (1), a paint spraying component (2) is fixedly mounted on the transport component (1), a drying component (3) is fixedly mounted at the front end of the transport component (1), and a dust removal component (4) is provided at the front end of the drying component (3); The transport assembly (1) comprises a side mounting frame (101), the number of the side mounting frames (101) being two and symmetrically distributed, a mounting plate (102) being fixedly mounted on both ends of the side mounting frame (101), a shaft sleeve plate (103) being mounted on the mounting plate (102), a connecting plate (104) being fixedly mounted on the mounting plate (102), an adjusting bolt (105) being threadedly connected to the connecting plate (104), the shaft end of the adjusting bolt (105) being against the shaft sleeve plate (103), a transport shaft (106) being movably sleeved between the shaft sleeve plates (103), a transport roller (107) being fixedly sleeved on the shaft of the transport shaft (106), a transport belt (108) being transmission sleeved between the transport rollers (107), a motor (109) being fixedly connected to the shaft end of the transport shaft (106) at the rear end of the side mounting frame (101), the motor (109) being 9) fixedly mounted on the outer surface of the side mounting frame (101), a support plate (110) is fixedly mounted between the inner sides of the upper ends of the side mounting frame (101), the upper surface of the support plate (110) is in contact with the upper inner side surface of the conveyor belt (108), a bracket (111) is fixedly mounted between the side mounting frames (101), a support roller (112) is movably mounted between the inner sides of the bottom ends of the side mounting frames (101), the outer side surface of the support roller (112) is in tangential contact with the bottom surface of the conveyor belt (108), foot posts (113) are fixedly mounted at the four corners of the bottom surface of the side mounting frame (101), a cross bar (114) is fixedly mounted between the foot posts (113), the paint spraying assembly (2) comprises a paint spraying bin (201), the paint spraying bin (201) is fixedly mounted on the side mounting frame (101), and the front and rear ends of the paint spraying bin (201) are both installed with evenly distributed curtains (202); The drying assembly (3) comprises a drying chamber (301), the drying chamber (301) being fixedly mounted on a side mounting frame (101), both sides of the drying chamber (301) being provided with ventilation grooves (302), a frame block (303) being fixedly mounted on the upper end of the drying chamber (301), the interior of the frame block (303) being provided with symmetrically distributed ventilation grooves, a mounting groove being provided at the middle position of the interior of the frame block (303), and the inner walls of the ventilation grooves provided on the frame block (303) being provided with ventilation grooves (302). A fixed inclined block (304) is fixedly installed, and sliding grooves (305) are provided on the front and rear inner wall surfaces of the ventilation grooves provided by the frame block (303), and movable inclined blocks (306) are provided in the ventilation grooves of the frame block (303), and the adjacent surfaces of the movable inclined blocks (306) and the fixed inclined blocks (304) are mutually matched, and sliding strips (307) are provided on both side surfaces of the movable inclined blocks (306), and the sliding strips (307) are movably sleeved with the sliding grooves (305), and the movable inclined blocks (306) are used to The slide bar (307) is movably sleeved in the ventilation slot; an electric cylinder (308) is fixedly installed in the installation slot provided by the frame block (303); a movable rod (309) is connected to the driving end of the electric cylinder (308); the shaft end of the movable rod (309) is fixedly connected to the movable inclined block (306); a cover plate (310) is fixedly installed on the installation slot provided by the frame block (303); a top block (311) is fixedly installed on the upper end of the frame block (303); the top block (311) ) are fixedly mounted with two symmetrically distributed top plates (312), each of the top plates (312) being fixedly mounted with a hot air blower (313), the mating surfaces of the fixed inclined block (304) and the movable inclined block (306) being inclined surfaces parallel to each other, and when the fixed inclined block (304) and the movable inclined block (306) are in mutual mating contact, the ventilation slot is a vertical downward channel, and when the fixed inclined block (304) and the movable inclined block (306) are located at two ends respectively, the ventilation slot is an inclined channel with an angle toward the middle.

2. A conveying mechanism for welding device production according to claim 1, characterized in that: The dust removal assembly (4) comprises a dust removal frame box (401), the dust removal frame box (401) being fixedly mounted on the side mounting frame (101) and located at the front end bottom thereof; the upper inclined surface of the dust removal frame box (401) is provided with evenly distributed dust removal grid grooves (402); a filter plate (403) is fixedly mounted inside the dust removal frame box (401); the filter plate (403) divides the interior of the dust removal frame box (401) into two upper and lower spaces; side sealing plates (404) are fixedly mounted on both sides of the upper end of the filter plate (403); side mounting plates (405) are fixedly mounted on both sides of the lower end of the filter plate (403); dust removal fans (406) are fixedly mounted on the side mounting plates (405); and a collection box (407) is fixedly mounted on the front end of the dust removal frame box (401).

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