Cylinder welding seam polishing device

Abstract

The utility model discloses a cylinder weld joint polishing device which comprises a first placing frame, a hydraulic rod, an electric telescopic rod and a driving motor, a transverse plate is fixed between the first placing frame and a second placing frame, a millstone assembly is installed above the transverse plate, and the first placing frame and the second placing frame are the same in structure. Hydraulic rods are fixed to the two ends of the first containing frame correspondingly, supporting plates are fixed to the output ends of the two sets of hydraulic rods, a fixing plate is arranged above the supporting plates, connecting plates are fixed to the two ends of the fixing plate, a driving motor is fixed to the side face of the fixing plate, and a connecting shaft is fixed to the output end of the driving motor. A fixing assembly is fixed to the end of the connecting shaft. According to the barrel welding seam grinding device, through the use of the grinding stone assembly, the abraded grinding stone can be conveniently and rapidly replaced, meanwhile, the abraded face of the grinding stone can move upwards so that the grinding stone can be attached to a welding seam of a barrel, and the using effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to cylinder processing, in particular to a cylinder weld grinding device. Background Art

[0002] After the cylinder is welded, there will be welds on its surface, which seriously affects the overall appearance of the cylinder. Therefore, after the cylinder is welded, the welds are generally smoothed by a grinding device to improve the processing effect of the cylinder;

[0003] CN220463374U discloses a cylindrical weld grinding device, including a bed frame, a workpiece positioning assembly, a plurality of double-section fixing assemblies and a long-arm grinding assembly, a movable seat for longitudinal displacement along its long axis direction and a feed linear power source for driving the movable seat are slidably provided on the bed frame, the workpiece positioning assembly includes a load-bearing beam fixedly installed in the center of the movable seat and a plurality of reinforcing wing plates, a plurality of double-section fixing assemblies are respectively fixedly arranged on the left and right sides of the movable seat in the horizontal direction, and they all include a base fixed to the movable seat, a clamping seat of the articulated base and a plurality of clamping claws of the articulated clamping seats, wherein the clamping seat and the base are controlled to rotate relative to each other by a clamping linear power source, a damper for providing rotation resistance to the clamping claw is provided on the clamping seat, and the long-arm grinding assembly includes a strip grinder and a grinding linear power source.

[0004] The above document provides additional stability and safety through the two-stage clamp structure, which can reduce the swing and shaking of the clamp during movement, making the operation of the clamp more stable and reliable; however, the grinding device in the above document is not suitable for cylinders of different sizes of pipe diameters, and the grinding belt and grinder are consumables and are not easy to replace after wear. Utility Model Content

[0005] The purpose of the utility model is to provide a cylinder weld grinding device to solve the problems raised by the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cylinder weld grinding device comprises a first placement rack, a hydraulic rod, an electric telescopic rod and a driving motor, a horizontal plate is fixed between the first placement rack and the second placement rack, and a grinding stone assembly is installed above the horizontal plate, hydraulic rods are fixed at both ends of the first placement rack, support plates are fixed at the output ends of the two groups of hydraulic rods, and a fixing plate is arranged above the support plate, connecting plates are fixed at both ends of the fixing plate, and an electric telescopic rod vertically fixed to the surface of the supporting plate is fixed at the outer end of the connecting plate, a driving motor is fixed on the side of the fixing plate, and a connecting shaft is fixed at the output end of the driving motor, and a fixing assembly is fixed at the end of the connecting shaft.

[0008] Preferably, the first placement rack includes a lower plate body, a lower fixed roller, a first rotating screw rod, a first positioning rod, a top plate, an upper plate body and an upper fixed roller, a lower fixed roller is welded on the top of the lower plate body, and two groups of lower fixed rollers are provided, the top of the lower plate body is located on the outside of the lower fixed roller and is rotatably connected to the first rotating screw rod, a side of the lower plate body away from the first rotating screw rod is fixedly connected to the first positioning rod, the top of the first positioning rod is fixed to the top plate rotatably connected to the first rotating screw rod, an upper plate body is provided below the top plate, and the upper fixed roller is fixed below the upper plate body.

[0009] By adopting the above technical solution, the cylinder can be placed at both ends of the weld by using the first placement rack and the second placement rack.

[0010] Preferably, one end of the upper plate body is connected to the first rotating screw by a threaded connection, the other end of the upper plate body is connected to the first positioning rod by a sliding connection, and the upper fixed roller below the upper plate body is arranged corresponding to the lower fixed roller above the lower plate body.

[0011] By adopting the above technical solution, the first rotating screw can drive the upper plate body to move downward, so that the upper fixed rollers at the two ends of the lower plate body are close to the lower fixed rollers at the two ends of the upper plate body, so as to limit the cylinders of different sizes.

[0012] Preferably, the grinding stone assembly includes a second rotating screw, which is rotatably connected to the transverse plate, and a movable plate is threadedly connected below the second rotating screw, and an end of the movable plate away from the second rotating screw is slidably connected to a second positioning rod fixed to the surface of the transverse plate.

[0013] By adopting the above technical solution, the second rotating screw and the movable plate can move in threaded motion, so as to drive the movable plate to slide upward under the positioning action of the second positioning rod, so that the grinding stone on the surface of the movable plate can be worn away and then be close to the weld of the cylinder again.

[0014] Preferably, a limit strip is fixed above the movable plate, and preferably two groups of limit strips are provided. The directions of the two groups of limit strips are opposite, and the limit strips are provided in a "concave" shape. A grinding stone is provided between the two groups of limit strips, and the surface of the limit strip is fixedly connected to the grinding stone by a fastening bolt, and two fastening bolts are provided on the surface of the limit strip.

[0015] By adopting the above technical solution, the fastening bolts on the sides of the two groups of limit strips can be used to replace the grinding stones located inside the two groups of limit strips after they are worn, thereby improving the use effect of the device.

[0016] Preferably, the fixing assembly comprises a fixing frame, the four corners of the fixing frame are slidably connected with fixing rods, and the surface of the fixing frame is provided with a groove connected with a sliding groove on the surface of the fixing frame.

[0017] By adopting the above technical solution, the fixing rods can be easily slid inside the fixing frame, so as to adjust the lengths of the fixing rods on the four sides of the fixing frame.

[0018] Preferably, the fixing rod is arranged in an "L" shape, and a rubber strip is bonded to the upper end of the fixing rod. Preferably, a fixing screw rod penetrating the slot is vertically fixed below the fixing rod, and the surface of the fixing screw rod is fixedly connected to the fixing frame through a fastening nut.

[0019] By adopting the above technical solution, the fixing screws and the fastening nuts on the bottom sides of the fixing rods can be used to fix the positions of the four sets of fixing rods after adjustment, so that the device can adapt to cylinders of different sizes.

[0020] Preferably, the first placement rack and the second placement rack have the same structure.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] (1) The utility model can support and fix cylinders of different diameters by using an adjustable first placement rack and a second placement rack in conjunction with an adjustable fixing assembly, so as to facilitate the rotation and grinding of the cylinder and improve the use effect of the device;

[0023] (2) The present invention facilitates the rapid replacement of worn grinding stones by using a grinding stone assembly, and can also move the worn surface of the grinding stone upward so that the grinding stone can fit the weld of the cylinder, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0025] Figure 2 This is a side view of the structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the fixed component of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the grinding stone assembly of the utility model.

[0028] In the figure:

[0029] 1. First placement rack; 101. Lower plate; 102. Lower fixed roller; 103. First rotating screw; 104. First positioning rod; 105. Top plate; 106. Upper plate; 107. Upper fixed roller; 2. Second placement rack; 3. Cross plate; 4. Grinding stone assembly; 401. Second rotating screw; 402. Second positioning rod; 403. Movable plate; 404. Limiting strip; 405. Grinding stone; 406. Fastening bolt; 5. Hydraulic rod; 6. Support plate; 7. Electric telescopic rod; 8. Connecting plate; 9. Fixed plate; 10. Driving motor; 11. Connecting shaft; 12. Fixed assembly; 1201. Fixed frame; 1202. Slot; 1203. Fixed rod; 1204. Rubber strip; 1205. Fixed screw; 1206. Fastening nut. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0032] See also Figure 1-4 As shown, the cylinder weld grinding device provided by the utility model includes a first placement frame 1, a hydraulic rod 5, an electric telescopic rod 7 and a driving motor 10. A horizontal plate 3 is fixed between the first placement frame 1 and the second placement frame 2. The first placement frame 1 has the same structure as the second placement frame 2. The first placement frame 1 includes a lower plate body 101, a lower fixed roller 102, a first rotating screw rod 103, a first positioning rod 104, a top plate 105, an upper plate body 106 and an upper fixed roller 107. A lower fixed roller 102 is welded above the lower plate body 101, and the lower fixed roller 102 is provided There are two groups, the top of the lower plate 101 is located on the outside of the lower fixed roller 102 and is rotatably connected to the first rotating screw 103, the side of the lower plate 101 away from the first rotating screw 103 is fixedly connected to the first positioning rod 104, the top of the first positioning rod 104 is fixed to a top plate 105 rotatably connected to the first rotating screw 103, an upper plate 106 is arranged below the top plate 105, and an upper fixed roller 107 is fixed below the upper plate 106, so that the cylinder can be placed at both ends of the weld by using the first placement rack 1 and the second placement rack 2.

[0033] In some embodiments, one end of the upper plate 106 is connected to the first rotating screw 103 by threaded connection, and the other end of the upper plate 106 is connected to the first positioning rod 104 by sliding connection. The upper fixed roller 107 below the upper plate 106 is correspondingly arranged to the lower fixed roller 102 above the lower plate 101, and can cooperate with the first rotating screw 103 to drive the upper plate 106 to move downward, so that the upper fixed rollers 107 at both ends below the upper plate 106 are close to the lower fixed rollers 102 at both ends above the lower plate 101, so as to limit the cylinders of different sizes;

[0034] See also Figure 1-4 As shown, in some embodiments, a grinding stone assembly 4 is installed above the horizontal plate 3, and the grinding stone assembly 4 includes a second rotating screw 401, which is rotatably connected to the horizontal plate 3, and a movable plate 403 is threadedly connected below the second rotating screw 401, and an end of the movable plate 403 away from the second rotating screw 401 is slidably connected to a second positioning rod 402 fixed on the surface of the horizontal plate 3, and the second rotating screw 401 and the movable plate 403 can be threadedly moved to drive the movable plate 403 to slide upward under the positioning action of the second positioning rod 402, so that the grinding stone 405 on the surface of the movable plate 403 can be worn and then approach the weld of the cylinder again.

[0035] In some embodiments, a limit strip 404 is fixed above the movable plate 403, and two groups of limit strips 404 are provided. The directions of the two groups of limit strips 404 are opposite, and the limit strips 404 are provided in a "concave" shape. A grinding stone 405 is provided between the two groups of limit strips 404, and the surface of the limit strip 404 is fixedly connected to the grinding stone 405 by a fastening bolt 406. Two fastening bolts 406 are provided on the surface of the limit strip 404. By using the fastening bolts 406 on the sides of the two groups of limit strips 404, the grinding stones 405 located inside the two groups of limit strips 404 can be replaced after being worn, thereby improving the use effect of the device;

[0036] See also Figure 1-4 As shown, in some embodiments, hydraulic rods 5 are fixed at both ends of the first placement rack 1, support plates 6 are fixed to the output ends of the two groups of hydraulic rods 5, and a fixing plate 9 is arranged above the support plate 6, connecting plates 8 are fixed to both ends of the fixing plate 9, and an electric telescopic rod 7 vertically fixed to the surface of the support plate 6 is fixed to the outer end of the connecting plate 8, a driving motor 10 is fixed to the side of the fixing plate 9, and a connecting shaft 11 is fixed to the output end of the driving motor 10, and a fixing component 12 is fixed to the end of the connecting shaft 11.

[0037] In some embodiments, the fixing component 12 includes a fixing frame 1201, and the four corners of the fixing frame 1201 are slidably connected to the fixing rods 1203, and the surface of the fixing frame 1201 is provided with a groove 1202 connected to the sliding groove on the surface of the fixing frame 1201, which can facilitate the fixing rod 1203 to slide inside the fixing frame 1201, so as to adjust the length of the fixing rods 1203 on the four sides of the fixing frame 1201.

[0038] In some embodiments, the fixing rod 1203 is arranged in an "L" shape, and a rubber strip 1204 is bonded to the upper end of the fixing rod 1203, and a fixing screw 1205 that passes through the slot 1202 is vertically fixed below the fixing rod 1203, and the surface of the fixing screw 1205 is fixedly connected to the fixing frame 1201 by a fastening nut 1206. The fixing screw 1205 and the fastening nut 1206 on the bottom side of the fixing rod 1203 can be used to fix the position of the four groups of fixing rods 1203 after adjustment, so that the device can adapt to cylinders of different sizes.

[0039] Working principle:

[0040] First, when in use, place the cylinder to be polished between the first placement rack 1 and the second placement rack 2, and make the weld on the cylinder correspond to the grindstone assembly 4 above the horizontal plate 3, and then rotate the first rotating screw 103 so that the first rotating screw 103 and the upper plate 106 can move in a threaded manner, so that the upper plate 106 can slide on the first positioning rod 104, so that the upper fixed roller 107 under the upper plate 106 can contact with the upper surface of the cylinder, so as to limit the cylinder and improve the stability of the cylinder rotation polishing;

[0041] By opening the hydraulic rod 5, the hydraulic rod 5 drives the fixing assembly 12 above the support plate 6 to approach the side of the cylinder, and by rotating the fastening nut 1206, the fixing rod 1203 slides on the fixing frame 1201, so that the end of the fixing rod 1203 is stuck on the surface of the cylinder, and then by rotating the fastening nut 1206, the fastening nut 1206 is threadedly connected with the fixing screw 1205, so that the fastening nut 1206 squeezes the fixing frame 1201, which is convenient for fixing the fixing rod 1203, and then convenient for fixing the cylinder, and the rubber strip 1204 inside the fixing rod 1203 can protect the cylinder;

[0042] During grinding, the second rotating screw 401 on the grinding stone assembly 4 can be rotated first, so that the second rotating screw 401 and the movable plate 403 can be threadedly moved, so that the movable plate 403 can slide on the second positioning rod 402, so as to drive the grinding stone 405 above the movable plate 403 to fit the weld of the cylinder, and then the driving motor 10 is turned on to drive the fixing assembly 12 to rotate through the connecting shaft 11, so as to grind the cylinder by rotation;

[0043] The two groups of limit strips 404 above the movable plate 403 are connected to the grinding stone 405 through fastening bolts 406, so as to facilitate replacement of the worn ones during grinding. This is the operating principle of the cylinder weld grinding device.

[0044] The utility model can support and fix cylinders with different diameters by using the adjustable first placement rack and the second placement rack in conjunction with the adjustable fixing assembly, so as to facilitate the rotation and grinding of the cylinder and improve the use effect of the device;

[0045] The utility model uses the grinding stone assembly to facilitate the rapid replacement of the worn grinding stone, and can also move the worn surface of the grinding stone upward so that the grinding stone can fit the weld of the cylinder body, thereby improving the use effect of the device.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cylinder weld grinding device, comprising a first placement frame (1), a hydraulic rod (5), an electric telescopic rod (7) and a drive motor (10), characterized in that: A transverse plate (3) is fixed between the first placement frame (1) and the second placement frame (2), and a grinding stone assembly (4) is installed above the transverse plate (3). Hydraulic rods (5) are fixed at both ends of the first placement frame (1), and support plates (6) are fixed at the output ends of the two groups of hydraulic rods (5), and a fixing plate (9) is arranged above the support plate (6). Connecting plates (8) are fixed at both ends of the fixing plate (9), and an electric telescopic rod (7) vertically fixed to the surface of the support plate (6) is fixed at the outer end of the connecting plate (8). A driving motor (10) is fixed on the side of the fixing plate (9), and a connecting shaft (11) is fixed at the output end of the driving motor (10), and a fixing assembly (12) is fixed at the end of the connecting shaft (11).

2. A cylinder weld grinding device according to claim 1, characterized in that: The first placement rack (1) comprises a lower plate (101), a lower fixed roller (102), a first rotating screw (103), a first positioning rod (104), a top plate (105), an upper plate (106) and an upper fixed roller (107); the lower fixed roller (102) is welded above the lower plate (101); two groups of the lower fixed rollers (102) are provided; the upper part of the lower plate (101) is located at the lower fixed roller (102). A first rotating screw rod (103) is rotatably connected to the outer side, a first positioning rod (104) is fixedly connected to a side of the lower plate body (101) away from the first rotating screw rod (103), a top plate (105) rotatably connected to the first rotating screw rod (103) is fixed to the top of the first positioning rod (104), an upper plate body (106) is arranged below the top plate (105), and an upper fixed roller (107) is fixed below the upper plate body (106).

3. A cylinder weld grinding device according to claim 2, characterized in that: One end of the upper plate body (106) is connected to the first rotating screw rod (103) by a threaded connection, and the other end of the upper plate body (106) is connected to the first positioning rod (104) by a sliding connection. The upper fixed roller (107) below the upper plate body (106) is arranged corresponding to the lower fixed roller (102) above the lower plate body (101).

4. The cylinder weld grinding device according to claim 1, characterized in that: The grinding stone assembly (4) comprises a second rotating screw (401), which is rotatably connected to the transverse plate (3), and a movable plate (403) is threadedly connected below the second rotating screw (401), and an end of the movable plate (403) away from the second rotating screw (401) is slidably connected to a second positioning rod (402) fixed to the surface of the transverse plate (3).

5. A cylinder weld grinding device according to claim 4, characterized in that: A limit strip (404) is fixed above the movable plate (403), a grinding stone (405) is arranged between two groups of the limit strips (404), and the surface of the limit strip (404) is fixedly connected to the grinding stone (405) via a fastening bolt (406), and two fastening bolts (406) are arranged on the surface of the limit strip (404).

6. The cylinder weld grinding device according to claim 5, characterized in that: The limiting strips (404) are arranged in a "concave" shape, and two groups of limiting strips (404) are arranged, and the directions of the two groups of limiting strips (404) are opposite.

7. The cylinder weld grinding device according to claim 1, characterized in that: The fixing assembly (12) comprises a fixing frame (1201), the four corners of the fixing frame (1201) are slidably connected to fixing rods (1203), and the surface of the fixing frame (1201) is provided with a slot (1202) which is connected to a sliding slot on the surface of the fixing frame (1201).

8. The cylinder weld grinding device according to claim 7, characterized in that: The fixing rod (1203) is arranged in an "L" shape, and a rubber strip (1204) is bonded to the upper end of the fixing rod (1203).

9. The cylinder weld grinding device according to claim 8, characterized in that: A fixing screw (1205) penetrating the slot (1202) is vertically fixed below the fixing rod (1203), and the surface of the fixing screw (1205) is fixedly connected to the fixing frame (1201) via a fastening nut (1206).

10. The cylinder weld grinding device according to claim 1, characterized in that: The first placement rack (1) and the second placement rack (2) have the same structure.

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