Medium-thickness plate surface defect treatment device

Abstract

The utility model discloses a surface defect treatment device for a medium plate, which comprises a bottom frame and a top frame fixedly connected to the top surface of the bottom frame, and is characterized in that a first movable frame is arranged on the top frame, a second movable frame is arranged at the bottom of the first movable frame, and a movable plate is arranged below the second movable frame; electric push rods are symmetrically and fixedly connected to the two sides in the second movable frame, the telescopic ends of the electric push rods penetrate through the second movable frame and then are fixedly connected with a movable plate, a first motor is fixedly installed on the top face of the movable plate, a rotating shaft is rotationally installed on the bottom face of the movable plate, and the top end of the rotating shaft rotationally penetrates through the movable plate and then is fixedly connected with the output end of the first motor; a grinding head is fixedly connected to the bottom end of the rotating shaft, a first driving mechanism is arranged between the top frame and the first movable frame, and a second driving mechanism is arranged between the first movable frame and the second movable frame.

Description

Technical Field

[0001] The utility model relates to a device for processing surface defects of medium and thick plates. Background Art

[0002] A type of plate commonly used in engineering, whose thickness is much smaller than the plane size, is a steel plate with a thickness of 4.5mm to 25mm, which is called medium and thick plate. Medium and thick plate is mainly used in construction engineering, machinery manufacturing, container manufacturing, shipbuilding, bridge construction, etc. It can be used to manufacture various containers, furnace shells, furnace plates, bridges and automobile static steel plates, low alloy steel plates, shipbuilding steel plates, boiler steel plates, pressure vessel steel plates, patterned steel plates, automobile beam steel plates, certain parts of tractors and welded components, etc. When polishing the surface of medium and thick plates, workers usually use hand-held planing tools to handle it, but the hand-held planing tools are easy to slip off the surface of the medium and thick plates, so that the workers holding the planing tools are scratched. Therefore, a device is urgently needed to solve the problem.

[0003] Patent search: Patent announcement number CN213257344U "A surface treatment device for medium and thick plate processing" describes the stability of the planer when processing the surface of medium and thick plates to prevent it from slipping during the processing process, which may cause harm to workers. Patent announcement number CN217648075U "A surface treatment device for medium and thick plate processing" describes that through the mutual cooperation between the electric push rod, box body, grinding motor, rotating shaft, disc, movable rod, grinding disc, limit block, spring and other mechanisms, the plate can have a buffering and protective effect during grinding. Patent announcement number CN207498469U "A steel surface treatment device" describes that while saving resources and manpower and material resources, it can also achieve the purpose of cleaning and protecting the steel surface. Summary of the invention

[0004] The utility model aims to provide a medium and thick plate surface defect processing device, which uses machinery to replace manual labor to perform subsequent processing on the surface of the medium and thick plate, thereby improving the surface quality and reducing the labor intensity of workers.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for processing surface defects of medium and thick plates comprises a base frame, the top surface of the base frame is fixedly connected to a top frame, a first movable frame is arranged on the top frame, a second movable frame is arranged at the bottom of the first movable frame, a movable plate is arranged below the second movable frame, electric push rods are symmetrically fixedly connected to the inner sides of the second movable frame, the telescopic ends of the electric push rods pass through the second movable frame and are fixedly connected to the movable plate, a first motor is fixedly installed on the top surface of the movable plate, a rotating shaft is rotatably installed on the bottom surface of the movable plate, the top end of the rotating shaft rotates through the movable plate and is fixedly connected to the output end of the first motor, a grinding head is fixedly connected to the bottom end of the rotating shaft, a first driving mechanism is arranged between the top frame and the first movable frame, and a second driving mechanism is arranged between the first movable frame and the second movable frame.

[0007] The first driving mechanism comprises a symmetrically arranged first guide rod, the first guide rod is symmetrically fixedly connected to the top frame, and the first guide rod slides through the first movable frame.

[0008] The first driving mechanism also includes a first screw rod, a first screw rod sleeve matched with the first screw rod is sleeved on the first screw rod, the first screw rod sleeve is rotatably connected to the first movable frame, a first worm wheel is fixedly connected to the outer side of the first screw rod sleeve, a first worm matched with the first worm wheel and transmission connected thereto is provided above the first worm wheel, the first worm is rotatably installed with the first movable frame, a second motor is fixedly connected to the end of the first movable frame corresponding to the first worm, and an output end of the second motor is fixedly connected to the first worm.

[0009] The second movable frame is sleeved at the bottom of the first movable frame and fits with the first movable frame, the second driving mechanism includes a second screw rod, the second screw rod is sleeved with a second screw rod sleeve adapted thereto, the second screw rod sleeve is rotatably connected to the second movable frame, a second worm gear is fixedly connected to the outer side of the second screw rod sleeve, a second worm gear adapted thereto and transmission connected thereto is provided above the second worm gear, the second worm gear is rotatably installed with the second movable frame, a third motor is fixedly connected to the end of the second movable frame corresponding to the second worm gear, and an output end of the third motor is fixedly connected to the second worm gear.

[0010] The side wall of the base frame is fixedly connected with a first slide rail, the first slide rail is slidably connected with a first slider, the first slider is threadedly connected with a first hand-tightening bolt, and one end of the first hand-tightening bolt passes through the first slider and then abuts against the first slide rail.

[0011] The first sliding block is also fixedly connected to a fixed platform, an extrusion plate is provided above the fixed platform, a second guide rod is fixedly connected to the bottom surface of the extrusion plate, the second guide rod is inserted into the fixed platform and slidably connected to the fixed platform, a second hand-tightening bolt is also threadedly connected to the extrusion plate, and the bottom end of the second hand-tightening bolt is rotatably connected to the fixed platform.

[0012] The inner side of the base frame is provided with a first auxiliary mechanism, a second auxiliary mechanism and a third auxiliary mechanism. The first auxiliary mechanism comprises a cross bar fixedly connected to the top surface of the base frame at equal distances, and a first guide wheel assembly is fixedly connected to the cross bar.

[0013] The second auxiliary mechanism and the third auxiliary mechanism are symmetrically and staggeredly arranged, and the second auxiliary mechanism and the third auxiliary mechanism have the same structure. The second auxiliary mechanism includes a tripod, the top surface of the tripod is fixedly connected to the second guide wheel assembly, and the front side of the tripod is commonly fixedly connected to a connecting rod.

[0014] The upper and lower parts of the tripod are slidably penetrated by a third guide rod, both ends of the third guide rod are fixedly connected to the base frame, a second slide rail is provided on the top of the tripod, a second slide rail is slidably connected to a second slider matched therewith, and the second slider is fixedly connected to the top surface of the base frame.

[0015] A third hand-tightening bolt is threadedly connected at a position on the tripod corresponding to the third guide rod, and the third hand-tightening bolt penetrates the tripod and abuts against the third guide rod.

[0016] The electric push rod, the first motor, the second motor and the third motor are all externally connected to a power supply and a controller.

[0017] Compared with the prior art, the utility model can drive the first movable frame to move on the top frame through the first driving mechanism, and drive the fourth movable frame to move on the first movable frame through the second driving mechanism, so as to realize the movement of the grinding head, cooperate with the work of the electric push rod, facilitate the grinding head to be close to the medium and thick plate, cooperate with the first motor to drive the grinding head to rotate, so as to perform mechanical grinding and polishing, reduce the use of manpower, and the mechanical movement stability of the grinding head is good, compared with manual grinding and polishing, the flatness of grinding and polishing is effectively improved. The utility model fixes the medium and thick plates that need to be surface treated through the fixed table and the extrusion plate, and slides on the first slide rail with the first slider, so as to be suitable for fixing medium and thick plates of different sizes. The bottom frame is extended by the second auxiliary mechanism and the third auxiliary mechanism, and a loading and unloading platform is formed on both sides of the bottom frame, which is convenient for loading and unloading. At the same time, the medium and thick plates placed on the top of the bottom frame can be supported by hand, and the first guide wheel assembly and the second guide wheel assembly can be used to push the medium and thick plates, so as to move the position of the medium and thick plates to adapt to the processing of medium and thick plates with a larger area. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a bottom view of the local structure of the utility model.

[0020] Figure 3 This is a diagram showing the first driving mechanism in the present utility model.

[0021] Figure 4 This is a diagram showing the second driving mechanism in the present utility model.

[0022] Figure 5 It is an enlarged view of the local structure in the utility model.

[0023] Figure 6 This is an expanded view of the bottom frame in the utility model.

[0024] In the figure: 1, bottom frame; 2, top frame; 3, first movable frame; 4, second movable frame; 5, movable plate; 6, electric push rod; 7, first motor; 8, rotating shaft; 9, grinding head; 10, first driving mechanism; 11, second driving mechanism; 12, first guide rod; 13, first screw rod; 14, first screw rod sleeve; 15, first worm gear; 16, first worm; 17, second motor; 18, second screw rod; 19, second screw rod sleeve; 20, second worm gear; 21, second worm; 22, first Three motors; 23. First slide rail; 24. First slider; 25. First hand-tightening bolt; 26. Fixed platform; 27. Extrusion plate; 28. Second guide rod; 29. ​​Second hand-tightening bolt; 30. First auxiliary mechanism; 31. Second auxiliary mechanism; 32. Cross bar; 33. First guide wheel assembly; 34. Tripod; 35. Second guide wheel assembly; 36. Third guide rod; 37. Second slide rail; 38. Second slider; 39. Connecting rod; 40. Third hand-tightening bolt; 41. Third auxiliary mechanism. DETAILED DESCRIPTION

[0025] See also Figure 1-2 In the embodiment of the utility model, a medium and thick plate surface defect processing device includes a base frame 1, characterized in that: the top surface of the base frame 1 is fixedly connected with a top frame 2, a first movable frame 3 is provided on the top frame 2, a second movable frame 4 is provided at the bottom of the first movable frame 3, a movable plate 5 is provided below the second movable frame 4, and electric push rods 6 are symmetrically fixedly connected to the inner sides of the second movable frame 4, the telescopic end of the electric push rod 6 passes through the second movable frame 4 and is fixedly connected to the movable plate 5, a first motor 7 is fixedly installed on the top surface of the movable plate 5, a rotating shaft 8 is rotatably installed on the bottom surface of the movable plate 5, the top end of the rotating shaft 8 rotates through the movable plate 5 and is fixedly connected to the output end of the first motor 7, a grinding head 9 is fixedly connected to the bottom end of the rotating shaft 8, a first driving mechanism 10 is provided between the top frame 2 and the first movable frame 3, and a second driving mechanism 11 is provided between the first movable frame 3 and the second movable frame 4.

[0026] The first movable frame 3 can be driven to move on the top frame 2 by the first driving mechanism 10, and the fourth movable frame 4 can be driven to move on the first movable frame 3 by the second driving mechanism 11, so as to realize the movement of the grinding head 9, cooperate with the work of the electric push rod 6, facilitate the approach of the grinding head 9 to the medium and thick plate, cooperate with the first motor 7 to drive the grinding head 9 to rotate, so as to perform mechanical grinding and polishing, reduce the use of manpower, and the mechanical movement stability of the grinding head 9 is good, compared with manual grinding and polishing, the flatness of grinding and polishing is effectively improved.

[0027] See also Figure 3 The first driving mechanism 10 includes a symmetrically arranged first guide rod 12, which is symmetrically fixedly connected to the top frame 2 and slides through the first movable frame 3.

[0028] The first driving mechanism 10 also includes a first screw rod 13, on which a first screw rod sleeve 14 matching the first screw rod 13 is sleeved, and the first screw rod sleeve 14 is rotatably connected to the first movable frame 3. A first worm gear 15 is fixedly connected to the outer side of the first screw rod sleeve 14, and a first worm 16 matching and transmission-connected to the first worm gear 15 is provided above the first worm gear 15. The first worm 16 is rotatably mounted on the first movable frame 3, and a second motor 17 is fixedly connected to the end of the first movable frame 3 corresponding to the first worm 16, and the output end of the second motor 17 is fixedly connected to the first worm 16.

[0029] By driving the second motor 17 , the first movable frame 3 can be driven to slide along the first guide rod 12 via the first screw rod 13 and the first screw rod sleeve 14 .

[0030] See also Figure 4 The second movable frame 4 is sleeved on the bottom of the first movable frame 3 and fits with the first movable frame 3. The second driving mechanism 11 includes a second screw 18. The second screw 18 is sleeved with a second screw sleeve 19 adapted thereto. The second screw sleeve 19 is rotatably connected to the second movable frame 4. A second worm gear 20 is fixedly connected to the outer side of the second screw sleeve 19. A second worm 21 adapted thereto and transmission-connected thereto is provided above the second worm gear 20. The second worm 21 is rotatably installed with the second movable frame 4. A third motor 22 is fixedly connected to the end of the second movable frame 4 corresponding to the second worm 21. The output end of the third motor 22 is fixedly connected to the second worm 21.

[0031] The third motor 22 drives the second movable frame 4 to slide on the first movable frame 3 in cooperation with the second screw rod 18 and the second screw rod sleeve 19.

[0032] See also Figure 5A first slide rail 23 is fixedly connected to the side wall of the base frame 1, a first slider 24 is slidably connected to the first slide rail 23, a first hand-tightening bolt 25 is threadedly connected to the first slider 24, and one end of the first hand-tightening bolt 25 passes through the first slider 24 and then abuts against the first slide rail 23.

[0033] A fixing platform 26 is also fixedly connected to the first slider 24, an extrusion plate 27 is provided above the fixing platform 26, a second guide rod 28 is fixedly connected to the bottom surface of the extrusion plate 27, the second guide rod 28 is inserted into the fixing platform 26 and is slidably connected to the fixing platform 26, a second hand-tightening bolt 29 is also threadedly connected to the extrusion plate 27, and the bottom end of the second hand-tightening bolt 29 is rotatably connected to the fixing platform 26.

[0034] Therefore, the fixing platform 26 can cooperate with the extrusion plate 27 to fix the medium and thick plates that need to be surface treated, and cooperate with the first slider 24 to slide on the first slide rail 23, so as to be suitable for fixing medium and thick plates of different sizes.

[0035] See also Figure 6 A first auxiliary mechanism 30, a second auxiliary mechanism 31 and a third auxiliary mechanism 41 are provided on the inner side of the base frame 1. The first auxiliary mechanism 30 includes a cross bar 32 fixedly connected to the top surface of the base frame 1 at equal distances, and a first guide wheel assembly 33 is fixedly connected to the cross bar 32.

[0036] The second auxiliary mechanism 31 and the third auxiliary mechanism 41 are symmetrically and staggeredly arranged. The second auxiliary mechanism 31 and the third auxiliary mechanism 41 have the same structure. The second auxiliary mechanism 31 includes a tripod 34. The top surface of the tripod 34 is fixedly connected to the second guide wheel assembly 35. The front side of the tripod 34 is commonly fixedly connected to a connecting rod 39.

[0037] A third guide rod 36 is slidably penetrated through the upper and lower parts of the tripod 34, and both ends of the third guide rod 36 are fixedly connected to the base frame 1. A second slide rail 37 is provided on the top of the tripod 34, and a second slider 38 adapted thereto is slidably connected to the second slide rail 37, and the second slider 38 is fixedly connected to the top surface of the base frame 1.

[0038] A third hand-tightening bolt 40 is threadedly connected to the tripod 34 at a position corresponding to the third guide rod 36 . The third hand-tightening bolt 40 passes through the tripod 34 and abuts against the third guide rod 36 .

[0039] Therefore, the base frame 1 can be extended by the second auxiliary mechanism 31 and the third auxiliary mechanism 41, and loading and unloading platforms can be formed on both sides of the base frame 1 to facilitate loading and unloading. At the same time, the medium and thick plates placed on the base frame 1 can be supported by hand and the first guide wheel assembly 33 and the second guide wheel assembly 35 can be used to push the medium and thick plates, thereby moving the position of the medium and thick plates to adapt to the processing of medium and thick plates with a larger area.

[0040] When in use, the second auxiliary mechanism 31 and the third auxiliary mechanism 41 can be pulled by the connecting rod 39, so as to pull the tripod 34, and the tripod 34 slides through the third guide rod 36, and the second slide rail 37 slides synchronously in the second slider 38, so that the tripod 34 is pulled out, and then the third hand-tightening bolt 40 is rotated so that the third hand-tightening bolt 40 abuts against the third guide rod 36 to form a fixing effect. At this time, the medium and thick plate that needs surface treatment can be placed on the second auxiliary mechanism 31, and pushed onto the first guide wheel assembly 33 on the base frame 1 through the cooperation of the second guide wheel assembly 35 and close to the fixed platform 26. At this time, the position of the fixed platform 26 is adjusted by adjusting the position of the first slider 24 on the first slide rail 23, so that the fixed platform 26 is aligned with the edge of the medium and thick plate, and then the first hand-tightening bolt 25 is turned so that the first slider 24 is locked, and then the second hand-tightening bolt 29 is further rotated to lock the first slider 24 on the second guide rod Under the action of 28, the extrusion plate 27 descends, so that the medium and thick plate is squeezed and fixed by the extrusion plate 27 and the fixed platform 26. At this time, the electric push rod 6 is started, and the movable plate 5 descends until the grinding head 9 is in contact with the medium and thick plate. At this time, the first motor 7 is further started to drive the grinding head 9 to rotate through the rotating shaft 8, and then the second motor 17 and the third motor 22 are started. At this time, the second motor 17 drives the first worm 16 to rotate, and the first worm 16 drives the first screw sleeve 14 to rotate through the first worm gear 15, so that the first movable frame 3 slides along the first guide rod 12 under the cooperation of the first screw 13, and the third motor 22 drives the second worm 21 to rotate, and the second worm 21 drives the second screw sleeve 19 to rotate through the second worm gear 20. The second screw sleeve 19 drives the second movable frame 4 to move on the first movable frame 3 under the cooperation of the second screw 18, so as to move the position of the grinding head 9, thereby forming a surface grinding and polishing effect. Then, the squeezing and fixing effect of the fixing table 26 and the squeezing plate 27 on the medium and thick plate can be released, and the medium and thick plate can be pushed toward the third auxiliary mechanism 41, so as to facilitate the removal of the medium and thick plate. During the processing, for larger medium and thick plates, the medium and thick plates are directly placed on the unfolded first auxiliary mechanism 30 and second auxiliary mechanism 31, and then the medium and thick plates are moved by the cooperation of the first guide wheel assembly 33 and the second guide wheel assembly 35, and the part of the medium and thick plate that exceeds the top frame 2 is pushed to the bottom of the top frame 2, so that plates with a larger area can be processed.

Claims

1. A medium and thick plate surface defect treatment device, comprising a base frame, the top surface of which is fixedly connected to a top frame, wherein: A first movable frame is provided on the top frame, a second movable frame is provided at the bottom of the first movable frame, a movable plate is provided below the second movable frame, electric push rods are symmetrically fixedly connected to the inner sides of the second movable frame, the telescopic ends of the electric push rods pass through the second movable frame and are fixedly connected to the movable plate, a first motor is fixedly installed on the top surface of the movable plate, a rotating shaft is rotatably installed on the bottom surface of the movable plate, the top end of the rotating shaft rotates through the movable plate and is fixedly connected to the output end of the first motor, a grinding head is fixedly connected to the bottom end of the rotating shaft, a first driving mechanism is provided between the top frame and the first movable frame, and a second driving mechanism is provided between the first movable frame and the second movable frame; The first driving mechanism comprises a symmetrically arranged first guide rod, the first guide rod is symmetrically fixedly connected to the top frame, and the first guide rod slides through the first movable frame; The first driving mechanism also includes a first screw rod, a first screw rod sleeve matched with the first screw rod is sleeved on the first screw rod, the first screw rod sleeve is rotatably connected to the first movable frame, a first worm wheel is fixedly connected to the outer side of the first screw rod sleeve, a first worm gear matched with the first worm gear and transmission connected to the first worm gear is provided above the first worm gear, the first worm gear is rotatably mounted on the first movable frame, a second motor is fixedly connected to the end of the first movable frame corresponding to the first worm gear, and an output end of the second motor is fixedly connected to the first worm gear; The second movable frame is sleeved at the bottom of the first movable frame and fits with the first movable frame, the second driving mechanism includes a second screw rod, a second screw rod sleeve matched with the second screw rod is sleeved on the second screw rod, the second screw rod sleeve is rotatably connected to the second movable frame, a second worm gear is fixedly connected to the outer side of the second screw rod sleeve, a second worm gear matched with the second worm gear and transmission connected thereto is provided above the second worm gear, the second worm gear is rotatably mounted with the second movable frame, a third motor is fixedly connected to the end of the second movable frame corresponding to the second worm gear, and an output end of the third motor is fixedly connected to the second worm gear; The side wall of the bottom frame is fixedly connected with a first slide rail, a first slider is slidably connected to the first slide rail, a first hand-tightening bolt is threadedly connected to the first slider, and one end of the first hand-tightening bolt passes through the first slider and then abuts against the first slide rail; The first sliding block is also fixedly connected to a fixed platform, an extrusion plate is provided above the fixed platform, a second guide rod is fixedly connected to the bottom surface of the extrusion plate, the second guide rod is inserted into the fixed platform and slidably connected to the fixed platform, a second hand-tightening bolt is also threadedly connected to the extrusion plate, and the bottom end of the second hand-tightening bolt is rotatably connected to the fixed platform.

2. The device for treating surface defects of medium and thick plates according to claim 1 is characterized in that: The inner side of the base frame is provided with a first auxiliary mechanism, a second auxiliary mechanism and a third auxiliary mechanism, the first auxiliary mechanism includes a cross bar fixedly connected to the top surface of the base frame at an equal distance, and the first guide wheel assembly is fixedly connected to the cross bar; the second auxiliary mechanism and the third auxiliary mechanism are symmetrically and staggeredly arranged, and the second auxiliary mechanism and the third auxiliary mechanism have the same structure. The second auxiliary mechanism includes a tripod, the top surface of the tripod is fixedly connected to the second guide wheel assembly, and the front side of the tripod is commonly fixedly connected to a connecting rod; the upper and lower parts of the tripod are slidably penetrated by a third guide rod, both ends of the third guide rod are fixedly connected to the base frame, a second slide rail is provided on the top of the tripod, and a second slider compatible with it is slidably connected to the second slide rail, and the second slider is fixedly connected to the top surface of the base frame; a third hand-tightening bolt is threadedly connected to the corresponding third guide rod on the tripod, and the third hand-tightening bolt penetrates the tripod and rests on the third guide rod.

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