Polishing robot for engineering machinery construction

Abstract

The invention belongs to the technical field of engineering machinery, and particularly relates to a polishing robot for engineering machinery construction. In the polishing robot, a to-be-polished part is put into a box body through a feeding opening in one side of the box body, the to-be-polished part and a limiting assembly are fixed through a tightening assembly, and a lifting assembly drives a polishing motor to descend until a polishing wheel makes contact with the to-be-polished part; then the displacement assembly is started to drive the polishing motor to move in the box body, polishing of the to-be-polished part is achieved, after one-time polishing is completed, the position and posture of the to-be-polished part are adjusted, and the unpolished part is polished till polishing is completed; chippings and dust generated in the polishing process fall into the collecting mechanism to be collected, the collecting mechanism is taken out after polishing is completed, and the chippings and the dust are cleaned away. According to the polishing device, a to-be-polished part can be fixed and then polished, the situation that the to-be-polished part moves and influences the polishing effect is avoided, meanwhile, chippings and dust generated in the polishing process can be collected, and the situation that the chippings and dust influence the normal polishing process is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of engineering machinery, and in particular relates to a polishing robot for engineering machinery construction. Background Art

[0002] Engineering is a certain application of science and mathematics. Through this application, the properties of natural materials and energy can be used through various structures, machines, products, systems and processes. It is to make efficient, reliable and useful things for mankind in the shortest time and with less manpower. It is a general term for various disciplines formed by applying the theories of natural science to specific industrial and agricultural production departments. Engineering construction is a special accounting subject for construction and installation companies to collect and account for engineering costs. It is an activity of new construction, expansion and reconstruction of construction projects according to the requirements of construction engineering design documents. Polishing is a process of using physical machinery or chemicals to reduce the surface roughness of an object. Polishing technology is mainly used in precision machinery and optical industries. The surface of the polished workpiece is smooth and has good reflective effect. After polishing, the workpiece will reduce thickness and be easily scratched. Fine velvet cloth, suede, swan feathers and special cleaning agents must be used to clean the surface.

[0003] During the polishing operation, a lot of dust and debris will fall. If it is not cleaned in time, it will affect further operations. In this way, the progress of the entire work will be delayed, the work efficiency will be greatly reduced, and the quality of the polished objects will be affected. There are also many machines that do not fix the objects, which will cause deviation during the polishing process and affect normal operation. Summary of the invention

[0004] The purpose of the present invention is to provide a polishing robot for construction machinery to solve the above problems.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] A polishing robot for construction machinery, comprising: a box body, a feeding port is opened on one side of the box body, and a polishing mechanism, a fixing mechanism and a collecting mechanism are sequentially arranged in the box body from top to bottom;

[0007] The polishing mechanism comprises a lifting assembly arranged on the inner top wall of the box body, a displacement assembly is arranged at the movable end of the lifting assembly, a polishing motor is fixedly connected to the movable end of the displacement assembly, and a polishing wheel is coaxially fixedly connected to the output shaft of the polishing motor;

[0008] The fixing mechanism comprises a limiting assembly and a plurality of fastening assemblies, and the workpiece to be polished is arranged between the limiting assembly and the fastening assemblies.

[0009] In the polishing robot for construction machinery of the present invention, the lifting assembly includes a telescopic rod fixedly connected to the top of the box body, the extended end of the telescopic rod penetrates into the box body and is fixedly connected to a first supporting plate, a plurality of vertically arranged first sliding rods are fixedly connected to the top surface of the first supporting plate, and the plurality of first sliding rods pass through the top of the box body and are slidably connected to the box body.

[0010] The cam is connected to the second end of the driving mechanism, and the driving mechanism has the second end in one moving part, and the driving mechanism has a circle which is connected to the second moving mechanism, and the driving mechanism has a circle which is connected to the second moving mechanism.

[0011] In the polishing robot for construction machinery of the present invention, the limiting component includes a plurality of fixed rods, a plurality of the fixed rods are horizontally fixedly connected to the box body, a plurality of the fixed rods are arranged at equal intervals along the width direction of the box body, a plurality of second sliding rods are fixedly connected to the top end of the fixed rod, the second sliding rods are vertically arranged, and a plurality of second sliding rods are arranged at equal intervals along the length direction of the fixed rod, a sliding sleeve is slidably connected to the outer side of the second sliding rod, a spring is fixedly connected to the top end of the inner wall of the sliding sleeve, the bottom end of the spring is fixedly connected to the top end of the second sliding rod, a screw is threadedly connected to the side wall of the sliding sleeve, one end of the screw extends into the slide groove, the screw is vertically slidably connected to the slide groove, and the slide groove is opened on the outer side wall of the second slide rod.

[0012] In the polishing robot for construction machinery of the present invention, the outer wall of the sliding sleeve is coated with a first flexible layer, the outer wall of the second sliding rod is fixedly connected to a limit block, and the limit block is configured as a frustum.

[0013] In the polishing robot for construction machinery of the present invention, a plurality of the tightening components and a plurality of the second sliding bars on the same fixed rod are arranged alternately, and the tightening component includes a wire taking-up box fixedly connected to the inner wall of the box body, a wire taking-up motor is fixedly connected to one side of the wire taking-up box, an output shaft of the wire taking-up motor extends into the wire taking-up box and is coaxially fixed to the I-beam, a fixed wire is wound around the I-beam, one end of the fixed wire passes through the wire taking-up box and is fixedly connected to an inner wall of the box body opposite to the wire taking-up box, one end of the fixed wire extending out of the wire taking-up box and the wire taking-up box are both lower than the lowest point of the sliding sleeve.

[0014] In the polishing robot for construction of engineering machinery of the present invention, the collecting mechanism comprises a collecting box detachably connected to the box body, the top end of the collecting box is open, and the collecting box is located below the plurality of the second sliding rods;

[0015] An auxiliary plate is fixedly connected to one end of the fixing rod, and an air suction chamber is enclosed by the auxiliary plate, one end of the collecting box and the inner wall of the box body. The air suction chamber is connected to a negative pressure suction machine, and the negative pressure suction machine is fixed to the outer wall of the box body. A plurality of air holes connected to the air suction chamber are opened at one end of the collecting box, and a filter pad is arranged at the air hole, and the filter pad is located in the collecting box.

[0016] In the polishing robot for construction machinery of the present invention, the fixing line comprises an elastic rib, and the outer side of the elastic rib is coated with a second flexible layer.

[0017] Compared with the prior art, the present invention has the following advantages and technical effects:

[0018] In the present invention, the workpiece to be polished is placed in the box through the feed port on one side of the box, the workpiece to be polished is located between the limiting component and the tightening component, the workpiece to be polished and the limiting component are fixed by the tightening component, the lifting component drives the polishing motor to descend until the polishing wheel contacts the workpiece to be polished, and then the displacement component is started to drive the polishing motor to move in the box to achieve polishing of the workpiece to be polished. After completing one polishing, the position and posture of the workpiece to be polished are adjusted, and the unpolished parts are polished until the polishing is completed; the debris and dust generated during the polishing process fall into the collecting mechanism and are collected. After the polishing is completed, the collecting mechanism is taken out to clean up the debris and dust.

[0019] The present invention can polish the workpiece to be polished after it is fixed, thereby preventing the workpiece to be polished from moving and affecting the polishing effect. At the same time, debris and dust generated during the polishing process can be collected to prevent the debris and dust from affecting the normal polishing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0021] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0022] Figure 2 It is a left side view of the present invention;

[0023] Figure 3 for Figure 1 A partial enlarged view of the middle A;

[0024] Figure 4 for Figure 1 A partial enlarged view of point B in the middle;

[0025] Figure 5 for Figure 1 A partial enlarged view of point C in the middle;

[0026] Figure 6 It is a structural schematic diagram of the wire take-up box in the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the fixed line in the present invention;

[0028] Among them, 1. box body; 2. support legs; 3. negative pressure suction machine; 4. telescopic rod; 5. first sliding rod; 6. first bearing plate; 7. first slide rail; 8. first slider; 9. second bearing plate; 10. first displacement motor; 11. polishing motor; 12. first threaded rod; 13. shaft seat; 14. mounting plate; 15. polishing wheel; 16. collection box; 17. door; 18. auxiliary plate; 19. fixing rod; 20. second sliding rod; 21. limit block; 22. first flexible layer; 23. sliding sleeve; 24. second displacement motor; 25. spring; 26. slide groove; 27. screw; 28. fixing line; 281. elastic rib; 282. second flexible layer; 29. ​​take-up box; 30. take-up motor; 31. I-beam; 32. filter pad; 33. air hole; 34. second threaded rod; 35. second slide rail; 36. second slider. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Engineering machinery is an important part of the equipment industry. Generally speaking, all mechanical equipment required for earthwork construction, road construction and maintenance, mobile lifting and loading and unloading operations, and comprehensive mechanized construction projects required for various construction projects are called engineering machinery.

[0032] It is mainly used in national defense construction projects, transportation construction, energy industry construction and production, mining and other raw material industry construction and production, agriculture, forestry and water conservancy construction, industrial and civil construction, urban construction, environmental protection and other fields.

[0033] In the related art, a polishing robot for construction machinery includes a box body, both sides of the bottom of the inner wall of the box body are fixedly connected with support columns, and the top of the support column is fixedly connected with a workbench, both sides of the top of the workbench are slidably connected with slide rods through pulleys, and a support rod is movably connected between one side of the inner wall of the box body and one side of the surface of the support column, a cylindrical roller is fixedly connected to the surface of the support rod, and an endless belt is arranged on the surface of the cylindrical roller, both sides of the bottom of the box body are fixedly connected with motors, one end of the motor output shaft passes through one side of the box body and extends to the inside of the box body, and one end of the motor output shaft extending to the inside of the box body is fixed A pushing device is fixedly connected, and the pushing device includes a disc, and the middle part of one side of the disc is fixedly connected to the output shaft of the motor, the other side of the disc is fixedly connected to a moon-shaped plate, and the surface of the disc and the side close to the moon-shaped plate are fixedly connected to a cylindrical block, a fixing rod is movably connected between one side of the inner wall of the box body and one side of the surface of the supporting column, and the surface of the fixing rod is fixedly connected to a rotating plate, an arc groove matching the moon-shaped plate is provided on the surface of the rotating plate, and a card groove matching the cylindrical block is provided on the surface of the rotating plate and the side close to the arc groove, and a rotating gear is fixedly connected to the surface of the fixing rod and the side away from the rotating plate.

[0034] The top of the slide rod is fixedly connected with a top plate, a movable rod runs through the middle of the top plate, and one end of the movable rod extending to the top of the top plate is fixedly connected with a baffle, and one end of the movable rod extending to the bottom of the top plate is fixedly connected with a connecting plate.

[0035] Telescopic rods are fixedly connected to both sides of the bottom of the top plate, and the bottom ends of the telescopic rods are fixedly connected to a pressure plate, connecting columns are fixedly connected to both sides of the bottom of the connecting plate, and the bottom ends of the connecting columns are fixedly connected to the top of the pressure plate, a spring is fixedly connected to the surface of the movable rod and located between the bottom of the baffle and the top of the top plate, and a friction block is fixedly connected to the bottom of the pressure plate.

[0036] The inner wall of the endless belt is fixedly connected with teeth meshing with the rotating gear.

[0037] The bottoms of both sides of the inner wall of the box body are fixedly connected with fixing plates, and the side of the fixing plate close to the endless belt is fixedly connected with a scraper, and a rod body is fixedly connected between the bottom of the scraper and the side of the fixing plate close to the endless belt.

[0038] The top of the inner wall of the box body is fixedly connected with a hydraulic cylinder, and one end of the output shaft of the hydraulic cylinder is fixedly connected with a polishing sheet.

[0039] The surface of the box body is hinged with a box door through a hinge, and both sides of the box body are hinged with side doors through hinges, both sides of the bottom of the box body are fixedly connected with support legs, and both sides of the bottom of the inner wall of the box are fixedly connected with dust boxes.

[0040] This solution has the following beneficial effects:

[0041] (1) The polishing machine for construction of engineering machinery has a support rod movably connected between one side of the inner wall of the box and one side of the surface of the support column, a cylindrical roller is fixedly connected to the surface of the support rod, and an annular belt is arranged on the surface of the cylindrical roller, a motor is fixedly connected to the bottom of both sides of the box, one end of the motor output shaft passes through one side of the box and extends to the inside of the box, and one end of the motor output shaft extending to the inside of the box is fixedly connected to a pushing device, the pushing device includes a disc, and the middle part of one side of the disc is fixedly connected to the output shaft of the motor, and the other side of the disc is fixedly connected to a moon-shaped plate, and the surface of the disc A cylindrical block is fixedly connected to the side close to the moon-shaped plate, a fixing rod is movably connected between the inner wall side of the box body and the surface side of the supporting column, and a rotating plate is fixedly connected to the surface side of the fixing rod, an arc groove matched with the moon-shaped plate is provided on the surface of the rotating plate, and a card groove matched with the cylindrical block is provided on the surface of the rotating plate close to the arc groove, and a rotating gear is fixedly connected to the surface of the fixing rod away from the rotating plate. Dust and debris generated by polishing can be cleaned, so that the entire box body can be kept clean, further operations will not be affected, and work efficiency will be greatly improved.

[0042] (2) The polishing machine for construction machinery is fixedly connected with support columns on both sides of the bottom of the inner wall of the box, and the top of the support column is fixedly connected with a workbench. The top of the workbench is slidably connected with a slide rod on both sides through a pulley, and the top of the slide rod is fixedly connected with a top plate. A movable rod runs through the middle of the top plate, and the end of the movable rod extending to the top of the top plate is fixedly connected with a baffle, and the end of the movable rod extending to the bottom of the top plate is fixedly connected with a connecting plate. The bottom of the top plate is fixedly connected with a telescopic rod on both sides, and the bottom of the telescopic rod is fixedly connected with a pressing plate. The bottom of the connecting plate is fixedly connected with a connecting column on both sides, and the bottom end of the connecting column is fixedly connected with the top of the pressing plate. The surface of the movable rod and the spring located between the bottom of the baffle and the top of the top plate are fixedly connected, and the bottom of the pressing plate is fixedly connected with a friction block, which fixes the polished object to make it more stable. During the polishing process, it will not deviate, and it will be polished according to the predetermined parallel surface, and the quality of the product will not be affected. It is convenient to drive the device to move to different positions, avoid the device from deviating during the process, resulting in failure or even damage to the equipment, and improve the stability during the working process.

[0043] (3) The polishing machine for construction machinery is fixedly connected to a cylindrical roller through the surface of a support rod, and an annular belt is arranged on the surface of the cylindrical roller. Fixed plates are fixedly connected to the bottom of both sides of the inner wall of the box body, and a scraper is fixedly connected to the side of the fixed plate close to the annular belt. A rod body is fixedly connected between the bottom of the scraper and the side of the fixed plate close to the annular belt. The fallen dust can fall on the annular belt and then be cleaned away by the movement of the annular belt. The use is very convenient and neat. The scraper will scrape off the dust on the annular belt and it will no longer be adsorbed on it, thus maintaining normal use.

[0044] (4) The polishing machine for construction machinery has a box door hinged on the surface of the box, and side doors hinged on both sides of the box. Support legs are fixedly connected to both sides of the bottom of the box, and dust boxes are fixedly connected to both sides of the bottom of the inner wall of the box. Fallen dust and debris are collected by the dust box and will not fly everywhere, thereby improving the cleanliness of the box. The sliding rod can be moved according to the size of the polishing object, thereby expanding the scope of use.

[0045] A polishing robot for construction machinery comprises a polishing box, wherein the interior of the polishing box is fixedly connected with a workbench, the surface of the workbench is movably connected with a stepping conveying rod, the top of the stepping conveying rod is fixedly connected with a symmetrically distributed stepping hinge seat, the ends of the two stepping hinge seats away from the stepping conveying rod are rotatably connected with a Y-type connecting rod through a connecting shaft, the ends of the two Y-type connecting rods are rotatably connected with a stepping active connecting rod through a connecting shaft, the ends of the two stepping active connecting rods away from the Y-type connecting rods are fixedly sleeved with a stepping active shaft, the surfaces of the two stepping active shafts are fixedly sleeved with pulleys, the surfaces of the two pulleys are transmission-connected with belts, the ends of the two Y-type connecting rods away from the stepping active connecting rods are rotatably connected with a control connecting rod through a connecting shaft, and the two The ends of the control links away from the Y-shaped links are rotatably connected to control hinge seats through a connecting shaft, the bottoms of the two control hinge seats are fixedly connected to the inner wall of the polishing box through a mounting seat, the top inner wall of the polishing box is fixedly connected to a lifting transmission box, both ends of the lifting transmission box are fixedly connected to symmetrically distributed lifting control boxes, the lifting control box and the lifting transmission box are internally provided with lifting control mechanisms, the interiors of the two lifting control boxes are slidably connected to hollow threaded sliders through guide rails, the opposite sides of the two hollow threaded sliders are fixedly connected to a lifting control board, the bottom of the lifting control board is fixedly installed with a polishing motor through a mounting seat, the output shaft of the polishing motor is fixedly installed with a polishing block, and a cooling control mechanism is provided inside the polishing box.

[0046] A stepping drive motor is fixedly mounted on the surface of the polishing box through a mounting seat, and an output shaft of the stepping drive motor is fixedly connected to one of the two stepping drive shafts through a coupling.

[0047] The lifting control mechanism includes a lifting transmission shaft, both ends of the lifting transmission shaft are rotatably connected to the inner walls of the lifting transmission box and the lifting control box through bearing seats, a lifting drive motor is fixedly installed on the surface of the lifting transmission box through a mounting seat, an output shaft of the lifting drive motor is fixedly sleeved with an active lifting bevel gear arranged inside the lifting transmission box, a driven lifting bevel gear is fixedly sleeved on the surface of the lifting transmission shaft, and the driven lifting bevel gear is meshingly connected with the active lifting bevel gear.

[0048] The interiors of the two lifting control boxes are rotatably connected with lifting control screws through bearing seats. The surfaces of the two lifting control screws are respectively meshed with the interiors of the two hollow threaded sliders. The surfaces of the two lifting control screws are fixedly sleeved with driven transmission lifting bevel gears. The surfaces of one end of the lifting transmission shaft extending into the interiors of the two lifting control boxes are fixedly sleeved with active transmission lifting bevel gears. The active transmission lifting bevel gear is meshed with the driven transmission lifting bevel gear.

[0049] The cooling control mechanism includes two symmetrically distributed cooling control boxes. Cooling drive motors are fixedly installed on the surfaces of the two cooling control boxes through mounting seats. The output shafts of the cooling drive motors are fixedly connected to the cooling active shafts passing through the interior of the cooling control boxes through couplings.

[0050] The surface of the cooling driving shaft is fixedly sleeved with a cooling control wheel, the surface of the cooling control wheel is rotatably connected to a cooling control connecting rod via a coupling, and one end of the cooling control connecting rod away from the cooling control wheel is rotatably connected to a piston sleeve via a coupling.

[0051] A piston cylinder is fixedly installed inside the cooling control box through a mounting seat. The inside of the piston cylinder is movably connected to the surface of the piston sleeve. A pump suction pipe is fixedly connected to the side of the piston cylinder. Cooling control steel balls symmetrically distributed up and down are fixedly installed inside the pump suction pipe.

[0052] A conical collecting frame is fixedly installed at the bottom of the workbench, and the bottom of the conical collecting frame is fixedly connected to a filter box. Coolant input pipes are fixedly connected to both sides of the filter box. The end of the coolant input pipe away from the filter box is fixedly connected to the input end of the pump suction pipe, and the output end of the pump suction pipe is fixedly connected to a coolant output pipe arranged inside the polishing box.

[0053] The bottom of the filter box is fixedly connected with a waste collection box which is arranged inside the polishing box body, and a control flange is fixedly installed on one end of the waste collection box which extends out of the polishing box body.

[0054] This solution has the following beneficial effects:

[0055] 1. By setting a stepping conveying rod and controlling the stepping drive motor to work, a stepping active shaft is driven to rotate, and then the pulley is driven to rotate, thereby driving another stepping active shaft to rotate, and then driving two stepping active connecting rods to rotate. The Y-type connecting rod and the control connecting rod are used to drive the stepping conveying rod on the workbench to realize stepping conveying of engineering machinery parts, reduce the labor intensity of handling parts, save grinding preparation time, and improve grinding efficiency.

[0056] 2. By setting up a lifting control mechanism and controlling the lifting drive motor to work, the active lifting bevel gear is driven to rotate, and then the driven lifting bevel gear and the lifting transmission shaft are driven to rotate, thereby driving the active transmission lifting bevel gear to rotate, and then the driven transmission lifting bevel gear and the two lifting control screws are driven to rotate, so that the two hollow threaded sliders drive the lifting control plate to move up and down, and then drive the polishing motor and the polishing block to move up and down, which is convenient for adjusting and controlling the polishing and grinding accuracy, controlling the polishing and grinding process of engineering machinery, facilitating equipment maintenance, and realizing automatic polishing and grinding.

[0057] 3. By setting up a cooling control mechanism and controlling the operation of the cooling drive motor, the cooling active shaft and the cooling control wheel are driven to rotate, and then the piston sleeve is driven to move left and right regularly, thereby changing the internal volume of the piston cylinder and the pump suction pipe, and two cooling control steel balls are used to move up and down regularly inside the pump suction pipe. The conical collection frame and filter box are used to collect the cooling waste liquid and polishing debris dropped during grinding and polishing work, forming a coolant recycling system and a coolant delivery pump suction system, so as to timely dissipate heat and cool the polishing and grinding device, extend the service life of the equipment, and facilitate the use and promotion of the equipment.

[0058] Reference Figures 1 to 7 The present invention discloses a polishing robot for construction machinery, comprising: a box body 1, a feeding port is provided on one side of the box body 1, and a polishing mechanism, a fixing mechanism and a collecting mechanism are sequentially arranged in the box body 1 from top to bottom;

[0059] The polishing mechanism includes a lifting assembly arranged on the inner top wall of the box body 1, a displacement assembly is arranged at the movable end of the lifting assembly, a polishing motor 11 is fixedly connected to the movable end of the displacement assembly, and a polishing wheel 15 is coaxially fixedly connected to the output shaft of the polishing motor 11;

[0060] The fixing mechanism comprises a limiting component and a plurality of tightening components, and the workpiece to be polished is arranged between the limiting component and the tightening component.

[0061] In the present invention, the workpiece to be polished is placed in the box body 1 through the feed port on one side of the box body 1. The workpiece to be polished is located between the limiting component and the tightening component. The workpiece to be polished and the limiting component are fixed by the tightening component. The lifting component drives the polishing motor 11 to descend until the polishing wheel 15 contacts the workpiece to be polished, and then the displacement component is started to drive the polishing motor 11 to move in the box body to achieve polishing of the workpiece to be polished. After completing one polishing, the position and posture of the workpiece to be polished are adjusted, and the unpolished parts are polished until the polishing is completed; the debris and dust generated during the polishing process fall into the collecting mechanism and are collected. After the polishing is completed, the collecting mechanism is taken out to clean up the debris and dust.

[0062] The present invention can polish the workpiece to be polished after it is fixed, thereby preventing the workpiece to be polished from moving and affecting the polishing effect. At the same time, debris and dust generated during the polishing process can be collected to prevent the debris and dust from affecting the normal polishing process.

[0063] A door 17 is hinged at the feed inlet to prevent dust and debris from flying around and polluting the air.

[0064] Support legs 2 are fixedly connected to the four corners of the bottom surface of the box body 1.

[0065] In a feasible solution, the lifting assembly includes a telescopic rod 4 fixedly connected to the top of the box body 1, the extended end of the telescopic rod 4 penetrates into the box body 1 and is fixedly connected to a first supporting plate 6, a plurality of vertically arranged first sliding rods 5 are fixedly connected to the top surface of the first supporting plate 6, and the plurality of first sliding rods 5 pass through the top of the box body 1 and are slidably connected to the box body 1.

[0066] The first carrying plate 6 is lifted and lowered by the extension and retraction of the telescopic rod 4 , and the provision of the first sliding rod 5 makes the lifting and lowering of the first carrying plate 6 more stable.

[0067] In a feasible solution, the displacement assembly includes a second slide rail 35 fixedly connected to the bottom surface of the first bearing plate 6, a second threaded rod 34 is rotatably connected in the second slide rail 35, the second threaded rod 34 is arranged along the length direction of the second slide rail 35, one end of the second threaded rod 34 passes through the second slide rail 35 and is coaxially fixed with the output shaft of the second displacement motor 24, the second displacement motor 24 is fixedly connected to one end of the second slide rail 35, a second slider 36 is slidably connected in the second slide rail 35, the second slider 36 is threadedly connected to the second threaded rod 34, and the bottom end of the second slider 36 extends out of the second slide rail 35. A second slide rail 35 is extended out and is fixedly connected to a second bearing plate 9. Two shaft seats 13 are fixedly connected to the bottom surface of the second bearing plate 9. A first threaded rod 12 is rotatably connected between the two shaft seats 13. The axes of the first threaded rod 12 and the second threaded rod 34 are vertically arranged. One end of the first threaded rod 12 passes through the shaft seat 13 and is coaxially fixedly connected to the output shaft of the first displacement motor 10. The first displacement motor 10 is fixed to the shaft seat 13. A mounting plate 14 is threadedly connected to the first threaded rod 12. The mounting plate 14 is slidably connected to the second bearing plate 9. The polishing motor 11 is fixedly connected to the mounting plate 14.

[0068] Two first slide rails 7 are fixedly connected to the bottom surface of the first bearing plate 6. The first slide rails 7 are arranged parallel to the second slide rails 35. A first slider 8 is slidably connected inside the first slide rails 7. The first slider 8 is fixedly connected to the second bearing plate 9.

[0069] The second displacement motor 24 rotates to drive the second threaded rod 34 to rotate, thereby driving the second slider 36 to move along the second slide rail 35, driving the second bearing plate 9 to move along the width direction of the box body 1, and the first displacement motor 10 drives the first threaded rod 12 to rotate, and the first threaded rod 12 drives the mounting plate 14 to move along the length direction of the box body 1, thereby causing the polishing wheel 15 to polish the top surface of the workpiece to be polished.

[0070] In a feasible scheme, the limiting component includes a plurality of fixed rods 19, which are all horizontally fixed in the box body 1, and the plurality of fixed rods 19 are arranged at equal intervals along the width direction of the box body 1. A plurality of second sliding rods 20 are fixed to the top end of the fixed rod 19, and the second sliding rods 20 are vertically arranged. The plurality of second sliding rods 20 are arranged at equal intervals along the length direction of the fixed rod 19, and a sliding sleeve 23 is slidably connected to the outer side of the second sliding rod 20, and a spring 25 is fixed to the top end of the inner wall of the sliding sleeve 23, and the bottom end of the spring 25 is fixed to the top end of the second sliding rod 20, and a screw 27 is threadedly connected to the side wall of the sliding sleeve 23, and one end of the screw 27 extends into the slide groove 26, and the screw 27 is vertically slidably connected in the slide groove 26, and the slide groove 26 is opened on the outer side wall of the second slide rod 20.

[0071] The workpiece to be polished is bundled above the limiting assembly by the tightening assembly, and the workpiece to be polished presses down part of the sliding sleeve 23, while other sliding sleeves 23 do not move, thereby limiting the workpiece to be polished and preventing the workpiece to be polished from moving during polishing.

[0072] In a feasible solution, the outer wall of the sliding sleeve 23 is coated with a first flexible layer 22 , and the outer wall of the second sliding rod 20 is fixedly connected to a limit block 21 , which is configured to be in a frustum shape.

[0073] The stopper 21 can prevent the spring 25 from being over-compressed and damaged. The stopper 21 is set in a cone shape to prevent debris and dust from accumulating. The outer wall of the sliding sleeve 23 is coated with a first flexible layer 22 to prevent the sliding sleeve 23 from hard contact with the workpiece to be polished, thereby preventing the surface of the workpiece from being damaged.

[0074] In a feasible solution, a plurality of tightening components are alternately arranged with a plurality of second sliding rods 20 on the same fixed rod 19, and the tightening components include a wire-taking box 29 fixedly connected to the inner wall of the box body 1, and a wire-taking motor 30 is fixedly connected to one side of the wire-taking box 29, and the output shaft of the wire-taking motor 30 extends into the wire-taking box 29 and is coaxially fixed to the I-beam 31, and a fixed wire 28 is wound around the I-beam 31, and one end of the fixed wire 28 passes through the wire-taking box 29 and is fixedly connected to an inner wall of the box body 1 opposite to the wire-taking box 29, and one end of the fixed wire 28 extending out of the wire-taking box 29 and the wire-taking box 29 are both lower than the lowest point of the sliding sleeve 23.

[0075] The I-shaped shaft 31 in the wire take-up box 29 is driven to rotate by the wire take-up motor 30 to tighten the fixed wire 28 and fix the polishing member with the limiting assembly; the fixed wire 28 has a certain rigidity and will not be twisted when the wire is released.

[0076] In a feasible solution, the collecting mechanism includes a collecting box 16 detachably connected to the box body 1, the top end of the collecting box 16 is open, and the collecting box 16 is located below the plurality of second sliding rods 20;

[0077] One end of the fixing rod 19 is fixedly connected to the auxiliary plate 18, and an air suction chamber is enclosed between the auxiliary plate 18, one end of the collecting box 16 and the inner wall of the box body 1. The air suction chamber is connected to the negative pressure suction machine 3, and the negative pressure suction machine 3 is fixed to the outer wall of the box body 1. One end of the collecting box 16 is provided with a plurality of air holes 33 connected to the air suction chamber, and a filter pad 32 is arranged at the air hole 33, and the filter pad 32 is located in the collecting box 16.

[0078] The negative pressure suction machine 3 draws air to suck dust and debris into the collection box 16 .

[0079] In a feasible solution, the fixing line 28 includes an elastic rib 281 , and the outer side of the elastic rib 281 is coated with a second flexible layer 282 .

[0080] The second flexible layer 282 can prevent the surface of the polishing piece from being damaged.

[0081] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0082] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A polishing robot for construction machinery, characterized in that: include: A box body (1), wherein a feed port is provided on one side of the box body (1), and a polishing mechanism, a fixing mechanism and a collecting mechanism are sequentially arranged in the box body (1) from top to bottom; The polishing mechanism comprises a lifting assembly arranged on the inner top wall of the box body (1); a displacement assembly is arranged at the movable end of the lifting assembly; a polishing motor (11) is fixedly connected to the movable end of the displacement assembly; a polishing wheel (15) is coaxially fixedly connected to the output shaft of the polishing motor (11); The fixing mechanism comprises a limiting assembly and a plurality of fastening assemblies, and the workpiece to be polished is arranged between the limiting assembly and the fastening assemblies.

2. A polishing robot for construction machinery according to claim 1, characterized in that: The lifting assembly comprises a telescopic rod (4) fixedly connected to the top end of the box body (1); the extended end of the telescopic rod (4) penetrates into the box body (1) and is fixedly connected to a first bearing plate (6); a plurality of vertically arranged first sliding rods (5) are fixedly connected to the top surface of the first bearing plate (6); the plurality of first sliding rods (5) pass through the top end of the box body (1) and are slidably connected to the box body (1).

3. A polishing robot for construction machinery according to claim 2, characterized in that: The displacement assembly comprises a second slide rail (35) fixedly connected to the bottom surface of the first bearing plate (6), a second threaded rod (34) being rotatably connected in the second slide rail (35), the second threaded rod (34) being arranged along the length direction of the second slide rail (35), one end of the second threaded rod (34) passing through the second slide rail (35) and being coaxially fixedly connected to the output shaft of the second displacement motor (24), the second displacement motor (24) being fixedly connected to one end of the second slide rail (35), a second slider (36) being slidably connected in the second slide rail (35), the second slider (36) being threadedly connected to the second threaded rod (34), the bottom end of the second slider (36) extending out of the second slide rail (3 5) and is fixedly connected to a second bearing plate (9), the bottom surface of the second bearing plate (9) is fixedly connected to two shaft seats (13), a first threaded rod (12) is rotatably connected between the two shaft seats (13), the axes of the first threaded rod (12) and the second threaded rod (34) are vertically arranged, one end of the first threaded rod (12) passes through the shaft seat (13) and is coaxially fixedly connected to the output shaft of the first displacement motor (10), the first displacement motor (10) is fixedly connected to the shaft seat (13), a mounting plate (14) is threadedly connected to the first threaded rod (12), the mounting plate (14) is slidably connected to the second bearing plate (9), and the polishing motor (11) is fixedly connected to the mounting plate (14).

4. The polishing robot for construction machinery according to claim 1, characterized in that: The limiting assembly comprises a plurality of fixing rods (19), the plurality of fixing rods (19) are horizontally fixed in the box body (1), the plurality of fixing rods (19) are arranged at equal intervals along the width direction of the box body (1), the top ends of the fixing rods (19) are fixed with a plurality of second sliding rods (20), the second sliding rods (20) are arranged vertically, the plurality of second sliding rods (20) are arranged at equal intervals along the length direction of the fixing rods (19), and the outer sides of the second sliding rods (20) slide A sliding sleeve (23) is connected, a spring (25) is fixedly connected to the top of the inner wall of the sliding sleeve (23), the bottom end of the spring (25) is fixedly connected to the top of the second sliding rod (20), a screw (27) is threadedly connected to the side wall of the sliding sleeve (23), one end of the screw (27) extends into a sliding groove (26), the screw (27) is vertically slidably connected in the sliding groove (26), and the sliding groove (26) is opened on the outer wall of the second sliding rod (20).

5. A polishing robot for construction machinery according to claim 4, characterized in that: The outer wall of the sliding sleeve (23) is coated with a first flexible layer (22), and the outer wall of the second sliding rod (20) is fixedly connected with a limit block (21), wherein the limit block (21) is configured to be in a frustum shape.

6. The polishing robot for construction machinery according to claim 4, characterized in that: A plurality of the tightening components and a plurality of the second sliding rods (20) on the same fixed rod (19) are arranged alternately, and the tightening components include a wire taking-up box (29) fixedly connected to the inner wall of the box body (1), a wire taking-up motor (30) is fixedly connected to one side of the wire taking-up box (29), an output shaft of the wire taking-up motor (30) extends into the wire taking-up box (29) and is coaxially fixedly connected to an I-shaped shaft (31), a fixing wire (28) is wound around the I-shaped shaft (31), one end of the fixing wire (28) passes through the wire taking-up box (29) and is fixedly connected to an inner wall of the box body (1) opposite to the wire taking-up box (29), and one end of the fixing wire (28) extending out of the wire taking-up box (29) and the wire taking-up box (29) are both lower than the lowest point of the sliding sleeve (23).

7. The polishing robot for construction machinery according to claim 4, characterized in that: The collecting mechanism comprises a collecting box (16) detachably connected to the box body (1), the top end of the collecting box (16) is open, and the collecting box (16) is located below the plurality of second sliding rods (20); One end of the fixing rod (19) is fixedly connected to an auxiliary plate (18), and an air suction chamber is enclosed between the auxiliary plate (18), one end of the collecting box (16) and the inner wall of the box body (1). The air suction chamber is connected to a negative pressure suction machine (3), and the negative pressure suction machine (3) is fixedly connected to the outer wall of the box body (1). One end of the collecting box (16) is provided with a plurality of air holes (33) connected to the air suction chamber, and a filter pad (32) is arranged at the air hole (33), and the filter pad (32) is located in the collecting box (16).

8. The polishing robot for construction machinery according to claim 6, characterized in that: The fixing line (28) comprises an elastic rib (281), and the outer side of the elastic rib (281) is coated with a second flexible layer (282).

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