Automatic lifting cleaning device for plate shearing equipment

Abstract

The utility model discloses an automatic lifting cleaning device for plate shearing equipment, which belongs to the field of dephosphorization process of a steel production line and comprises a working platform, the working platform is fixed with an equipment main body, a lifting mechanism is connected onto the working platform in a sliding manner, and the bottom of the lifting mechanism can be automatically lifted to avoid obstacles after encountering the obstacles; the lower portion of the lifting mechanism is fixedly connected with a sweeping mechanism, and the sweeping mechanism and the lifting mechanism can ascend and descend synchronously. The structure is compact, various types of brushes can be replaced, and the device is suitable for various working conditions; and the working height can be automatically adjusted according to different thicknesses of supplied materials so as to ensure that the brush can work on the surfaces of workpieces with various thicknesses.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steel production line phosphorus removal process technical field especially relates to a kind of automatic lifting cleaning device for plate shearing equipment. BACKGROUND

[0002] In the plate shearing production process, when edge cutting is carried out, iron phosphorus is prone to appear in the shearing position of plate, and these iron phosphorus can be further rolled into the surface of pinch roll, which adversely affects the quality of plate surface. To prevent the influence of iron phosphorus on the quality of plate surface, phosphorus removal operation is required. Since the shearing specification needs to be switched constantly in actual production, and different thicknesses of plate have inconsistent requirements for phosphorus removal intensity, a single phosphorus removal cleaning method cannot meet the production needs.

[0003] Therefore, the utility model designs an automatic lifting brush cleaning device, which can automatically adjust the height for different thicknesses of plate, so as to meet the production needs of phosphorus removal of various specifications of plate and improve work efficiency. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model provides an automatic lifting cleaning device for plate shearing equipment.

[0005] The utility model is realized as follows: an automatic lifting cleaning device for plate shearing equipment, comprising a working platform, the working platform is fixed with a device main body, a lifting mechanism is slidably connected on the working platform, the bottom of the lifting mechanism can be automatically raised to avoid obstacles after encountering obstacles;

[0006] The lower part of the lifting mechanism is fixedly connected with a cleaning mechanism, and the cleaning mechanism can be lifted synchronously with the lifting mechanism.

[0007] Further, the working platform comprises a fixed plate, and the fixed plate is provided in the shape of a cuboid; a fixed plate connecting portion is arranged on the side adjacent to the device main body of the fixed plate, and the fixed plate connecting portion is connected with the device main body.

[0008] Further, one end of the fixed plate is provided with a blowing mechanism, and the blowing mechanism is used for blowing the impurities cleaned by the cleaning mechanism; the blowing mechanism comprises a pipe expeller, and the pipe expeller comprises a lower clamping plate and an upper clamping plate, and the lower clamping plate and the upper clamping plate hold a blowing pipe therebetween; a valve is arranged at the upper end of the blowing pipe, and a nozzle is arranged at the lower end of the blowing pipe.

[0009] Further, the lifting mechanism comprises a lifting control assembly and a brush control assembly; the lifting of the lifting control assembly drives the lifting of the brush control assembly.

[0010] Further, the lifting control assembly comprises guide rod guide sleeves, which are respectively arranged through the two ends of the fixed plate;

[0011] A guide rod is arranged through the guide rod guide sleeve, and an adjusting nut is screwed on the upper part of the guide rod, which is used to limit the position of the upper part of the guide rod;

[0012] A reset plate is arranged at the lower part of the guide rod guide sleeve, and a reset spring is arranged between the fixed plate and the reset plate; the reset spring is sleeved on the guide rod guide sleeve;

[0013] A brush connecting assembly is arranged at the lower part of the guide rod, which fixedly connects the cleaning mechanism and the guide rod, so as to realize the synchronous lifting of the cleaning mechanism and the guide rod;

[0014] A guide wheel assembly is arranged at the lower end of the guide rod, which is beneficial to the lifting of the guide rod.

[0015] Further, the brush connecting assembly comprises a shaft sleeve, the side wall of the shaft sleeve is provided with an opening along the axis, the two side edges of the opening are respectively outwardly extended and provided with shaft sleeve tensioning parts, the two side shaft sleeve tensioning parts are fixedly connected through bolts, and the shaft sleeve is sleeved and fixed on the guide rod; the side wall of the shaft sleeve is outwardly and perpendicularly extended and provided with a shaft sleeve connecting part, and the other end of the shaft sleeve connecting part is provided as a connecting part threaded surface.

[0016] Further, the guide wheel assembly comprises a bicycle frame, guide wheels are arranged at the two ends of the frame; the other side end of the frame is provided as a frame threaded connecting part; a guide rod threaded connecting part is arranged at the end of the guide rod, which is provided as an internal threaded hole structure; the guide rod threaded connecting part is suitable for screwing the frame threaded connecting part.

[0017] Further, the brush control assembly comprises a brush holder guide sleeve, which is arranged through the fixed plate; a brush holder guide column is arranged through the brush holder guide sleeve; a cleaning mechanism is fixedly connected to the bottom surface of the brush holder guide column; a compression spring is sleeved on the brush holder guide column, which is limited between the fixed plate and the cleaning mechanism; the compression spring provides continuous downward pressure to the cleaning mechanism.

[0018] Further, the cleaning mechanism comprises a brush holder, the top surface of the brush holder is fixedly connected with the brush holder guide column; brush holder threaded connecting parts are arranged at the two sides of the brush holder, which are provided as internal threaded hole structures, and the brush holder threaded connecting parts are suitable for screwing the shaft sleeve connecting part; a brush and a scraper are fixedly connected to the bottom surface of the brush holder, and the bottom surface of the scraper is flush with the bottom surface of the brush holder.

[0019] Further, the device further comprises a front guide wheel assembly, the front guide wheel assembly comprises a front frame, one end of the front frame is provided with a front guide wheel, and the other end is fixedly connected with the guide rod; the front guide wheel is arranged at a position higher than the guide wheel, and the front guide wheel assembly makes the device adapt to workpieces with large height difference.

[0020] The device has the advantages and technical effects:

[0021] 1. Compact structure, multiple types of brushes can be replaced, and is suitable for various working conditions.

[0022] 2. The working height can be automatically adjusted according to different thicknesses of incoming materials, so that the brush can work on the surfaces of workpieces with various thicknesses. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is an embodiment of the automatic lifting cleaning device;

[0024] Figure 2 is an embodiment of the automatic lifting cleaning device;

[0025] Figure 3a is a schematic view of a frame structure;

[0026] Figure 3b is a schematic view of a guide rod structure;

[0027] Figure 4a is a schematic view of a brush connecting assembly structure;

[0028] Figure 4b is Figure 4a B view in the figure;

[0029] Figure 4c is a brush connecting assembly top view;

[0030] Figure 5a is a schematic view of a blowing mechanism structure;

[0031] Figure 5b is a top view of a pipe arrangement device;

[0032] Figure 6a is a lifting schematic view of the automatic lifting cleaning device;

[0033] Figure 6b is Figure 6a A enlarged view of the figure;

[0034] Figure 7 is a schematic view of frame and guide rod adjustment;

[0035] Figure 8 is a top view of a fixed plate;

[0036] Figure 9Fig. 2 is a schematic view of the brush connecting assembly and the brush frame connecting;

[0037] Figure 10 Fig. 3 is a schematic view of the cleaning mechanism after adding the scraper;

[0038] Figure 11a Fig. 4 is a schematic view of the front guide wheel acting on the steel plate;

[0039] Figure 11b Fig. 5 is a schematic view of the guide wheel acting on the steel plate as the steel plate continues to advance;

[0040] Figure 12 Fig. 6 is a top view of the automatic lifting cleaning device provided with the front guide wheel;

[0041] Figure 13a Fig. 7 is a side view of the vehicle frame provided with the front guide wheel;

[0042] Figure 13b Fig. 8 is a front view of the vehicle frame provided with the front guide wheel.

[0043] In the figure: 1, working platform; 1-1, fixed plate; 1-1a, fixed plate connecting part; 1-3, connecting block; 1-5, connecting bolt;

[0044] 2, lifting mechanism; 2-1, guide wheel; 2-2, vehicle frame; 2-2a, vehicle frame threaded connecting part; 2-3, reset plate; 2-4, reset spring; 2-5, guide rod; 2-5a, guide rod threaded connecting part; 2-6, adjusting nut; 2-7, pressing pad; 2-8, lock nut; 2-9, shaft sleeve; 2-9a, shaft sleeve connecting part; 2-9b, shaft sleeve tensioning part; 2-9c, connecting part threaded surface; 2-10, tensioning bolt; 2-11, tensioning nut; 2-20, front guide wheel assembly; 2-21, front vehicle frame; 2-22, front guide wheel; 2-30, lifting control assembly; 2-31, guide rod guide sleeve; 2-40, brush control assembly; 2-41, brush frame guide sleeve; 2-42, brush frame guide column; 2-43, compression spring; 2-50, brush connecting assembly; 2-60, guide wheel assembly;

[0045] 3, cleaning mechanism; 3-1, brush; 3-1a, scraper; 3-2, brush frame; 3-2a, brush frame threaded connecting part;

[0046] 4, blowing mechanism; 4-1, blowing pipe; 4-2, nozzle; 4-3, valve; 4-4, gas source; 4-5, pipe holder; 4-5a, lower clamp plate; 4-5b, upper clamp plate; 4-5c, clamp bolt;

[0047] 5, workpiece;

[0048] 6, roller. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0050] Referring to Figures 1 to 13b An automatic lifting cleaning device for plate shearing equipment, comprising a working platform 1, the working platform 1 is fixed with the equipment body;

[0051] The working platform 1 is slidably connected with a lifting mechanism 2, the lifting mechanism 2 can automatically adjust the height according to the height of the workpiece 5; the lower part of the lifting mechanism 2 is fixedly connected with a cleaning mechanism 3, the cleaning mechanism 3 can be lifted synchronously with the lifting mechanism 2; the working platform 1 provides action constraints for the foregoing mechanism.

[0052] As an aspect of the utility model embodiment, the working platform 1 comprises a fixed plate 1-1, the fixed plate 1-1 is arranged as a cuboid structure; the fixed plate 1-1 is welded with a fixed plate connecting part 1-1a on the side adjacent to the equipment body, a connecting block 1-3 is welded on the side wall of the equipment body, and the fixed plate connecting part 1-1a and the connecting block 1-3 are fixedly connected through connecting bolts 1-5, so as to realize the fixed connection of the device and the equipment body.

[0053] The lifting mechanism 2 comprises a lifting control assembly 2-30 and a brush control assembly 2-40; the lifting of the lifting control assembly 2-30 drives the lifting of the brush control assembly 2-40. The lifting control assembly 2-30 automatically adjusts the height through the guide wheel 2-1 according to the different thicknesses of incoming workpieces, so as to ensure that the brush 3-1 on the cleaning mechanism 3 maintains sufficient contact on the surface of workpieces of different thicknesses.

[0054] As an aspect of the utility model embodiment, the lifting control assembly 2-30 comprises guide rod guide sleeves 2-31, the guide rod guide sleeves 2-31 are respectively arranged at both ends of the fixed plate 1-1 in a penetrating mode; both ends refer to the two ends in the cleaning direction.

[0055] The guide rod guide sleeves 2-31 are penetratedly arranged with guide rods 2-5, when the bottom of the guide rod 2-5 is subjected to upward thrust, the guide rod 2-5 moves upward along the guide rod guide sleeve 2-31; the upper part of the guide rod 2-5 is screwed with an adjusting nut 2-6, and the adjusting nut 2-6 is used to limit the position of the upper part of the guide rod 2-5.

[0056] The lower part of the guide rod guide sleeve 2-31 is welded with a reset plate 2-3 in the circumferential direction, and a reset spring 2-4 is arranged between the fixed plate 1-1 and the reset plate 2-3; the reset spring 2-4 is sleeved on the guide rod guide sleeve 2-31; the pre-pressing force of the reset spring 2-4 can be changed by screwing an adjusting nut 2-6.

[0057] Preferably, the guide rod 2-5 is sleeved with a pressing pad 2-7, the pressing pad 2-7 is arranged between the top surface of the reset spring 2-4 and the fixed plate 1-1, and the pressing pad 2-7 is used to prevent the guide sleeve 1-2 from escaping from the fixed plate 1-1.

[0058] As an aspect of an embodiment of the utility model, the lower side of the guide rod 2-5 is provided with a brush connecting assembly 2-50, the brush connecting assembly 2-50 fixedly connects the cleaning mechanism 3 and the guide rod 2-5 to realize the synchronous lifting of the cleaning mechanism 3 and the guide rod 2-5.

[0059] The brush connecting assembly 2-50 includes a shaft sleeve 2-9, the side wall of the shaft sleeve 2-9 is provided with an opening along the axis, the two side edges of the opening are respectively provided with shaft sleeve tensioning portions 2-9b which are outwardly extended, the two side shaft sleeve tensioning portions 2-9b are fixedly connected through bolts, the shaft sleeve 2-9 is sleeved on the guide rod 2-5, the shaft sleeve tensioning portion 2-9b is inserted with a tensioning bolt 2-10, the other end of the tensioning bolt 2-10 is screwed with a tensioning nut 2-11, the inner diameter of the shaft sleeve 2-9 is reduced through the tightening of the tensioning nut 2-11, and the guide rod 2-5 is fixed in the shaft sleeve 2-9; the side wall of the shaft sleeve 2-9 is outwardly and perpendicularly welded with a shaft sleeve connecting portion 2-9a, and the other end of the shaft sleeve connecting portion 2-9a is provided with a connecting portion threaded surface 2-9c.

[0060] Preferably, the lower end of the guide rod 2-5 is screwed with a lock nut 2-8, and the height of the brush connecting assembly 2-50 is fixed by using the lock nut 2-8 after the relative height of the brush connecting assembly 2-50 is determined.

[0061] As an aspect of an embodiment of the utility model, the lower end of the guide rod 2-5 is provided with a guide wheel assembly 2-60, and the guide wheel assembly 2-60 is beneficial to the lifting of the height of the guide rod 2-5.

[0062] The guide wheel assembly 2-60 includes a T-shaped vehicle frame 2-2, and the two ends of the vehicle frame 2-2 are rollingly connected with guide wheels 2-1; the other side end of the vehicle frame 2-2 is processed into a vehicle frame threaded connecting portion 2-2a; the end of the guide rod 2-5 is provided with a guide rod threaded connecting portion 2-5a, and the guide rod threaded connecting portion 2-5a is provided as an internal threaded hole structure; the guide rod threaded connecting portion 2-5a is suitable for screwing the vehicle frame threaded connecting portion 2-2a to make the guide wheel assembly 2-60 and the guide rod 2-5 fixedly connected.

[0063] As an aspect of the embodiment of the utility model, the brush control assembly 2-40 includes a brush holder guide sleeve 2-41, the brush holder guide sleeve 2-41 is through the fixed plate 1-1, and is welded and fixed on the fixed plate 1-1;The brush holder guide sleeve 2-41 is provided with a brush holder guide column 2-42, and the brush holder guide column 2-42 can slide up and down along the brush holder guide sleeve 2-41;The brush holder guide column 2-42 bottom surface is fixedly connected with the cleaning mechanism 3;The compression spring 2-43 is sleeved on the brush holder guide column 2-42, and the compression spring 2-43 is limited between the fixed plate 1-1 and the cleaning mechanism 3;The compression spring 2-43 provides the cleaning mechanism 3 with continuous pressure, so that the cleaning mechanism 3 and the workpiece 5 surface keep close contact.

[0064] As an aspect of the embodiment of the utility model, the cleaning mechanism 3 includes a brush holder 3-2, the brush holder 3-2 top surface is welded with the brush holder guide column 2-42;The brush holder 3-2 both sides are provided with brush holder threaded connection part 3-2a, the brush holder threaded connection part 3-2a is provided as internal thread hole structure, and the brush holder threaded connection part 3-2a is suitable for screwing the shaft sleeve connecting part 2-9a, realizes the synchronous driven lifting of cleaning mechanism 3 and lifting mechanism 2;The brush holder 3-2 bottom surface is fixedly connected with the brush 3-1, and the brush 3-1 removes the impurities on the upper surface of the workpiece;According to different working conditions, the hardness and density of the brush 3-1 are selected differently.

[0065] Preferably, the bottom surface of the brush 3-1 and the bottom surface of the guide wheel 2-1 are substantially at the same horizontal plane, so as to grasp the lifting height of the brush 3-1 and achieve better cleaning effect.

[0066] Preferably, a clamping groove is reserved at the bottom surface of the brush holder 3-2, and one or more groups of scrapers 3-1a are detachably connected in the clamping groove, to further improve the working efficiency of the cleaning mechanism 3;The bottom surface of the scraper 3-1a is flush with the bottom surface of the brush holder 3-2;The scraper 3-1a is made of steel plate and is divided into two parts, which are perpendicularly arranged with the connecting part of the brush holder 3-2 and are obliquely arranged with the contact part of the workpiece 5, the scraper 3-1a can be selectively installed and used for removing the adherents on the surface of the workpiece 5.

[0067] As an aspect of the embodiment of the utility model, one end of the fixed plate 1-1 is provided with a blowing mechanism 4, the blowing mechanism 4 is used for blowing the impurities cleaned by the cleaning mechanism 3 away from the surface of the workpiece, the blowing mechanism 4 comprises a pipe expeller 4-5, the pipe expeller 4-5 comprises a lower clamp plate 4-5a and an upper clamp plate 4-5b, the blowing pipe 4-1 is clamped between the lower clamp plate 4-5a and the upper clamp plate 4-5b, the blowing pipe 4-1 is communicated with the gas source 4-4, one or more blowing pipes 4-1 can be installed to meet the multi-angle blowing requirement, the upper end of the blowing pipe 4-1 is provided with a valve 4-3, the valve 4-3 adjusts the blowing force, the lower end of the blowing pipe 4-1 is provided with a nozzle 4-2, and the nozzle 4-2 blows the upper surface of the workpiece 5.

[0068] Further, the blowing pipe can use semi-rigid materials, such as a polymer composite pipe, to flexibly adjust the nozzle blowing angle of the blowing mechanism.

[0069] As an aspect of the embodiment of the utility model, the device further comprises a front guide wheel assembly 2-20, the front guide wheel assembly 2-20 comprises a front frame 2-21, one end of the front frame 2-21 is rollably connected with a front guide wheel 2-22, and the other end is weldedly connected with the guide rod 2-5; the front guide wheel 2-22 is arranged at a position higher than the guide wheel 2-1, and the front guide wheel assembly 2-20 makes the device adapt to workpieces with large height differences.

[0070] Referring to Figures 11a to 12 To adapt to the cleaning operation of the super-thick workpiece 5, the front guide wheel assembly 2-20 is welded on the feeding side of the frame 2-2, the front guide wheel assembly 2-20 comprises the front frame 2-21 and the front guide wheel 2-22, the front guide wheel 2-22 is arranged at a position 15-30 mm higher than the arrangement position of the guide wheel 2-1, so as to improve the climbing ability of the lifting mechanism 2, thereby improving the working range of the cleaning mechanism 3.

[0071] The working process of the utility model is as follows: referring to Figure 6a , Figure 6b The workpiece 5 is taken as a steel plate as an example for introduction.

[0072] Specific embodiment one: the steel plate is driven by the roller bed 6 at the bottom, when the steel plate 5 with a thickness of 30 mm passes through the device, the guide wheel 2-1 close to the feeding side in the lifting mechanism 2 first contacts the surface of the steel plate, at this time, the guide wheel 2-1 can climb to the upper surface of the steel plate, and the whole lifting mechanism 2 also lifts as a whole under the driving of the guide wheel 2-1 (referring to Figure 6b ), and the lifting height is consistent with the thickness of the steel plate.

[0073] As described above, the cleaning mechanism 3 is synchronously lifted to make the brush 3-1 also lift the thickness of the steel plate, and the cleaning of the upper surface of the steel plate is completed. Further, the blowing mechanism 4 located at the discharge side blows the upper surface of the steel plate through the air source 4-4, the blowing pipe 4-1 and the nozzle 4-2, and blows the iron phosphate away from the surface of the steel plate. When the guide wheel 2-1 located at the discharge side is out of contact with the surface of the steel plate, the automatic lifting brush cleaning device returns to the initial position under the action of the return spring 2-4 on the lifting mechanism 2. Thus, the cleaning height of the device can be automatically adjusted according to the steel plate of different thicknesses, so that the brush 3-1 on the cleaning mechanism 3 can work on the surface of the steel plate of various thicknesses.

[0074] Specific embodiment two: a clamping groove is reserved at the bottom of the brush holder 3-2, and one or more groups of scrapers 3-1a are detachably connected in the clamping groove, which can remove relatively thick iron phosphate and further improve the working efficiency of the cleaning mechanism 3. Figures 1 to 10 .

[0075] Specific embodiment three: refer to Figures 11a to 12 , which is suitable for the descaling operation of the super-thick steel plate. A front guide wheel assembly 2-20 is welded at the feeding side of the vehicle frame 2-2. The front guide wheel assembly 2-20 includes a front vehicle frame 2-21 and a front guide wheel 2-22. The setting position of the front guide wheel 2-22 is 15-30 mm higher than that of the guide wheel 2-1, so as to improve the climbing ability of the lifting mechanism 2 and the working range of the cleaning mechanism 3.

[0076] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic lifting cleaning device for plate shearing equipment, comprising a working platform (1) fixed with the main body of the equipment, characterized in that: a lifting mechanism (2) is slidably connected to the working platform (1), which can automatically rise to avoid obstacles when encountering obstacles at the bottom; a cleaning mechanism (3) is fixedly connected to the lower part of the lifting mechanism (2), which can rise and fall synchronously with the lifting mechanism (2); the lifting mechanism (2) comprises a lifting control assembly (2-30) and a brush control assembly (2-40); the lifting of the lifting control assembly (2-30) drives the lifting of the brush control assembly (2-40), and the brush control assembly (2-40) is used to drive the synchronous lifting of the cleaning mechanism (3).

2. The automatic lifting cleaning device for plate shearing equipment according to claim 1, characterized in that: the working platform (1) comprises a fixed plate (1-1) arranged in a cuboid structure; a fixed plate connecting part (1-1a) is arranged on the side adjacent to the main body of the equipment, and the fixed plate connecting part (1-1a) is connected with the main body of the equipment.

3. The automatic lifting cleaning device for plate shearing equipment according to claim 2, characterized in that: a blowing mechanism (4) is arranged at one end of the fixed plate (1-1), which is used to blow off the impurities cleaned by the cleaning mechanism (3); the blowing mechanism (4) comprises a pipe expeller (4-5), which comprises a lower clamping plate (4-5a) and an upper clamping plate (4-5b), and a blowing pipe (4-1) is clamped between the lower clamping plate (4-5a) and the upper clamping plate (4-5b); a valve (4-3) is arranged at the upper end of the blowing pipe (4-1), and a nozzle (4-2) is arranged at the lower end.

4. The automatic lifting cleaning device for plate shearing equipment according to claim 2, characterized in that: the lifting control assembly (2-30) comprises a guide rod guide sleeve (2-31) which is respectively arranged at both ends of the fixed plate (1-1); a guide rod (2-5) is arranged through the guide rod guide sleeve (2-31), an adjusting nut (2-6) is screwed on the upper part of the guide rod (2-5), and the adjusting nut (2-6) is used to limit the position of the upper part of the guide rod (2-5); a reset plate (2-3) is arranged at the lower part of the guide rod guide sleeve (2-31), and a reset spring (2-4) is arranged between the fixed plate (1-1) and the reset plate (2-3); the reset spring (2-4) is sleeved on the guide rod guide sleeve (2-31); a brush connecting assembly (2-50) is arranged at the lower part of the guide rod (2-5), which fixedly connects the cleaning mechanism (3) with the guide rod (2-5) to realize the synchronous lifting of the cleaning mechanism (3) and the guide rod (2-5). ​ The lower end of the guide rod (2-5) is provided with a guide wheel assembly (2-60), which facilitates the lifting of the guide rod (2-5).

5. The automatic lifting and cleaning device for plate shearing equipment according to claim 4, wherein: The brush connecting assembly (2-50) comprises a shaft sleeve (2-9), the side wall of the shaft sleeve (2-9) is provided with an opening along the axis, the two side edges of the opening are respectively provided with shaft sleeve tensioning portions (2-9b) extending outward, the shaft sleeve tensioning portions (2-9b) on the two sides are fixedly connected by bolts, the shaft sleeve (2-9) is sleeved and fixed on the guide rod (2-5); the side wall of the shaft sleeve (2-9) is provided with a shaft sleeve connecting portion (2-9a) extending outward perpendicularly, and the other end of the shaft sleeve connecting portion (2-9a) is provided as a connecting portion threaded surface (2-9c).

6. The automatic lifting and cleaning device for plate shearing equipment according to claim 4, wherein: The guide wheel assembly (2-60) comprises a T-shaped frame (2-2), the two ends of the frame (2-2) are provided with guide wheels (2-1); the other side end of the frame (2-2) is provided with a frame threaded connecting portion (2-2a); the end of the guide rod (2-5) is provided with a guide rod threaded connecting portion (2-5a), which is provided as an internal threaded hole structure; the guide rod threaded connecting portion (2-5a) is suitable for screwing the frame threaded connecting portion (2-2a).

7. The automatic lifting and cleaning device for plate shearing equipment according to claim 5, wherein: The brush control assembly (2-40) comprises a brush holder guide sleeve (2-41), which penetrates the fixed plate (1-1); the brush holder guide sleeve (2-41) is provided with a brush holder guide column (2-42) penetrating therein; the bottom surface of the brush holder guide column (2-42) is fixedly connected with a cleaning mechanism (3); a compression spring (2-43) is sleeved on the brush holder guide column (2-42), and the compression spring (2-43) is limited between the fixed plate (1-1) and the cleaning mechanism (3); the compression spring (2-43) provides the cleaning mechanism (3) with continuous downward pressure.

8. The automatic lifting and cleaning device for plate shearing equipment according to claim 7, wherein: The cleaning mechanism (3) comprises a brush holder (3-2), the top surface of the brush holder (3-2) is fixedly connected with the brush holder guide column (2-42); the two sides of the brush holder (3-2) are provided with brush holder threaded connecting portions (3-2a), which are provided as internal threaded hole structures, and the brush holder threaded connecting portions (3-2a) are suitable for screwing the shaft sleeve connecting portion (2-9a); the bottom surface of the brush holder (3-2) is fixedly connected with a brush (3-1) and a scraper (3-1a), and the bottom surface of the scraper (3-1a) is flush with the bottom surface of the brush holder (3-2).

9. The automatic lifting and cleaning device for plate shearing equipment according to claim 6, characterized in that: The device further comprises a front guide wheel assembly (2-20), which comprises a front frame (2-21) provided with a front guide wheel (2-22) at one end and fixedly connected with the guide rod (2-5) at the other end; the front guide wheel (2-22) is arranged higher than the guide wheel (2-1).

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