Hydraulic oil cylinder machining and grinding device

Abstract

The utility model relates to the technical field of oil cylinder production, in particular to a hydraulic oil cylinder machining and polishing device which comprises a base, a clamping assembly, a motor installed on the base in a sliding mode through an advancing assembly and a rotating rod fixedly installed on an output shaft of the motor. A pair of balancing weights are fixedly installed at the right end of the rotating rod through a synchronous rotating assembly in a rotating mode, a motor drives the two balancing weights to rotate, generated centrifugal force can press two grinding plates on the inner wall of the hydraulic oil cylinder for grinding, and the grinding plates can be automatically attached to the inner wall of the hydraulic oil cylinder by starting the motor; while being suitable for hydraulic oil cylinders of different sizes, the hydraulic oil cylinder polishing device can adjust the pressure of the polishing plate on the inner wall of the hydraulic oil cylinder by changing the mass of the balancing weight and changing the centrifugal force generated by rotation of the balancing weight, and adjust the pressure by controlling the mass of the liquid-state balancing weight in the balancing weight hole, so that the adjustment is more convenient, accurate and flexible.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder manufacturing technology, and in particular to a hydraulic cylinder processing and grinding device. Background Technology

[0002] Hydraulic cylinders are basically composed of a cylinder barrel and cylinder head, a piston and piston rod, a sealing device, a buffer device, and a venting device. During the production and processing of hydraulic cylinders, the inner wall of the cylinder body often needs to be ground. An existing hydraulic cylinder inner wall grinding device (publication number CN212705792U) includes a support plate… According to the contraction of the large and small springs inside the cylinder, a first connecting plate slides within a second connecting plate, so that the grinding plate just contacts the inside of the cylinder, facilitating grinding of the cylinder inner wall when the motor rotates. It can be inserted into cylinders of different sizes for grinding, improving the utilization rate of the grinding device. However, the pressure of the grinding plate on the inner wall of the cylinder during grinding is related to the compression length of the large and small springs. Adjusting the pressure requires changing different springs, which is inconvenient and requires preparing different springs. Furthermore, due to the parameters of the manufactured springs, adjusting the pressure by changing different springs is not flexible and accurate enough. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies, such as the inconvenience, inflexibility, and inaccuracy of adjusting pressure by replacing different springs, and to propose a hydraulic cylinder processing and grinding device.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Design a hydraulic cylinder processing and grinding device, including a base, a clamping assembly, a motor slidably mounted on the base via a traveling assembly, and a rotating rod fixedly mounted on the output shaft of the motor. A pair of counterweights are rotatably mounted on the right end of the rotating rod via a synchronous rotating assembly, and a grinding plate is fixedly mounted on the side of each pair of counterweights that is away from each other.

[0006] The synchronous rotation assembly includes a pair of mounting slots symmetrically opened on the outer wall of the rotating rod, and an outer expansion plate is rotatably installed in the mounting slot. Each outer expansion plate has a through hole at both ends, and a vertical shaft is inserted into the two through holes. The two ends of the two vertical shafts are respectively fixedly connected to the rotating rod and the counterweight. The two vertical shafts are connected by a synchronous rotation structure.

[0007] Furthermore, the synchronous rotation structure includes wheel grooves and belt grooves formed on the outer walls at both ends and on the front and rear sides of the outer expansion plate, and synchronous pulleys and synchronous belts are rotatably installed inside the wheel grooves and belt grooves, respectively. Synchronous pulleys are fixedly installed on the outer wall of the vertical shaft, and synchronous belts that mesh with the two synchronous pulleys are sleeved on the outer walls of the two synchronous pulleys.

[0008] Furthermore, the right end face of the counterweight block is provided with a counterweight hole for accommodating the counterweight, and the internal thread of the counterweight hole is connected to a sealing post.

[0009] Furthermore, the two counterweights have grooves on their end faces close to each other, and magnets are fixedly installed in the grooves. The end faces of the two magnets close to each other are magnetically attracted to each other.

[0010] Furthermore, the clamping assembly includes a U-shaped frame fixed on the base, and a pair of clamping plates are slidably installed inside the U-shaped frame via a pair of columns. The end faces of the pair of clamping plates near each other are provided with limiting grooves for accommodating hydraulic cylinders. A bidirectional screw is rotatably installed inside the U-shaped frame, and two clamping plates are threadedly connected to the two outer walls of the bidirectional screw with opposite thread directions. A second motor is fixedly installed on the top of the U-shaped frame, and the output shaft of the second motor is fixedly connected to the bidirectional screw.

[0011] Furthermore, the traveling assembly includes a pair of guide rails and a cylinder fixed to the top of the base, and a slider is slidably mounted on the guide rails. The top of the slider is fixedly connected to a mounting bracket, and a motor is fixedly mounted on the top of the mounting bracket. The output end of the cylinder is fixedly connected to the mounting bracket.

[0012] The present invention provides a hydraulic cylinder processing and grinding device with the following advantages: During use, the centrifugal force generated by the motor driving the two counterweights to rotate can press the two grinding plates onto the inner wall of the hydraulic cylinder for grinding. Starting the motor can make the grinding plates automatically fit into the inner wall of the hydraulic cylinder. While adapting to hydraulic cylinders of different sizes, it can not only adjust the pressure of the grinding plates on the inner wall of the hydraulic cylinder by changing the mass of the counterweights and the centrifugal force generated by the rotation of the counterweights, but also adjust the pressure by controlling the mass of the liquid counterweight in the counterweight hole, making the adjustment more convenient, accurate and flexible. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the counterweight and grinding plate structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the synchronous rotation component structure of this utility model;

[0016] Figure 4 This is the right view of the present invention.

[0017] In the diagram: 1. Base; 2. Clamping assembly; 3. Traveling assembly; 4. Motor; 5. Rotating rod; 6. Synchronous rotation assembly; 7. Counterweight; 8. Grinding plate; 61. Mounting slot; 62. Outer expansion plate; 63. Vertical shaft; 64. Synchronous rotation structure; 641. Wheel groove; 642. Belt groove; 643. Synchronous pulley; 644. Synchronous belt; 9. Counterweight hole; 10. Sealing column; 11. Groove; 12. Magnet; 21. U-shaped frame; 22. Column; 23. Clamping plate; 24. Bidirectional screw; 25. Motor II; 31. Guide rail; 32. Cylinder; 33. Slider; 34. Mounting bracket. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Reference Figure 1-4 As an embodiment of this utility model, a hydraulic cylinder processing and grinding device is disclosed, including a base 1, a clamping assembly 2, a motor 4 slidably mounted on the base 1 via a traveling assembly 3, and a rotating rod 5 fixedly mounted on the output shaft of the motor 4. The device is characterized in that: a pair of counterweights 7 are rotatably mounted on the right end of the rotating rod 5 via a synchronous rotating assembly 6, and a grinding plate 8 is fixedly mounted on the side of the pair of counterweights 7 away from each other.

[0020] In use, after the hydraulic cylinder is fixed by the clamping assembly 2, the motor 4 is moved by the traveling assembly 3 to insert the rotating rod 5 into the hydraulic cylinder. The motor 4 drives the rotating rod 5 to rotate. The rotating rod 5 drives the two counterweights 7 to rotate through the two outer expansion plates 62 respectively. The centrifugal force generated cancels the magnetic attraction between the two magnets 12, causing the two counterweights 7 to move away and press the two grinding plates 8 onto the inner wall of the hydraulic cylinder. The rotating rod 5 drives the two grinding plates 8 to rotate on the inner wall of the hydraulic cylinder through the two outer expansion plates 62 and the two counterweights 7, and grinds the inner wall of the hydraulic cylinder.

[0021] The synchronous rotation assembly 6 includes a pair of mounting slots 61 symmetrically opened on the outer wall of the rotating rod 5, and an outer expansion plate 62 is rotatably installed in the mounting slot 61. Each outer expansion plate 62 has a through hole at both ends, and a vertical shaft 63 is inserted into the two through holes. The two ends of the vertical shaft 63 are respectively fixedly connected to the rotating rod 5 and the counterweight 7. The two vertical shafts 63 are connected by a synchronous rotation structure 64.

[0022] When in use, the right ends of the two expansion plates 62 rotate outward and drive the two counterweights 7 away. When not in use, the two counterweights 7 approach each other under the magnetic attraction between the two magnets 12 and stick to the right end of the rotating rod 5. At the same time, the two counterweights 7 drive the two expansion plates 62 to rotate inward and hide into the mounting groove 61.

[0023] Based on the above embodiments, the synchronous rotation structure 64 includes wheel grooves 641 and belt grooves 642 opened on the outer walls of both ends and the front and rear sides of the outer expansion plate 62, and synchronous pulleys 643 and synchronous belts 644 are rotatably installed inside the wheel grooves 641 and belt grooves 642, respectively. Synchronous pulleys 643 are fixedly installed on the outer walls of the two vertical shafts 63, and synchronous belts 644 that mesh with the two synchronous pulleys 643 are sleeved on the outer walls of the two synchronous pulleys 643.

[0024] When the two expanding plates 62 expand and rotate, the rotating rod 5 and the counterweight 7 drive the synchronous pulley 643 to rotate through the vertical shaft 63. Since the synchronous belt 644 makes the two synchronous pulleys 643 rotate only at the same angle, the rotating rod 5 and the counterweight 7 rotate in opposite directions and at the same angle relative to the expanding plates 62, so that the counterweight 7 always remains parallel to the rotating rod 5, thereby making the grinding plate 8 parallel to the hydraulic cylinder, and the grinding force in the horizontal direction is the same, and the grinding is uniform.

[0025] Preferably, the right end face of the counterweight block 7 is provided with a counterweight hole 9 for accommodating the counterweight, and a sealing post 10 is threadedly connected inside the counterweight hole 9. By unscrewing the sealing post 10 to inject or remove the counterweight into the counterweight hole 9, and then tightening the sealing post 10 to compact the counterweight, the weight in the counterweight hole 9 can be increased or decreased to adjust the mass of the counterweight block 7, thereby adjusting the centrifugal force generated when the counterweight block 7 rotates and changing the pressure of the grinding plate 8 on the hydraulic cylinder.

[0026] Based on the above embodiment, a groove 11 is provided on the end face of the pair of counterweights 7 that are close to each other, and a magnet 12 is fixedly installed in the groove 11. The end faces of the two magnets 12 that are close to each other are magnetically attracted to each other. After the grinding stops and the centrifugal force disappears, the two counterweights 7 automatically approach and merge under the action of the two magnets 12, which is convenient for the next insertion into the hydraulic cylinder.

[0027] In some embodiments, the clamping assembly 2 includes a U-shaped frame 21 fixed on the base 1, and a pair of clamping plates 23 are slidably mounted inside the U-shaped frame 21 via a pair of columns 22. The end faces of the pair of clamping plates 23 near each other are provided with limiting grooves for accommodating hydraulic cylinders. A bidirectional screw 24 is rotatably mounted inside the U-shaped frame 21, and two clamping plates 23 are threadedly connected to the two outer walls of the bidirectional screw 24 with opposite thread directions. A second motor 25 is fixedly mounted on the top of the U-shaped frame 21, and the output shaft of the second motor 25 is fixedly connected to the bidirectional screw 24.

[0028] After the hydraulic cylinder is placed into the limiting groove of the lower clamping plate 23, the motor 25 drives the bidirectional screw 24 to rotate, so that the two clamping plates 23 move closer to each other at the same time, clamping the hydraulic cylinder and aligning the hydraulic cylinder with the axis of the rotating rod 5.

[0029] Specifically, the traveling component 3 includes a pair of guide rails 31 and a cylinder 32 fixedly mounted on the top of the base 1, and a slider 33 is slidably mounted on the guide rails 31. The top of the slider 33 is fixedly connected to the mounting bracket 34, and a motor 4 is fixedly mounted on the top of the mounting bracket 34. The output end of the cylinder 32 is fixedly connected to the mounting bracket 34.

[0030] The mounting bracket 34 can only move left and right via the guide rail 31 and the slider 33. The cylinder 32 drives the mounting bracket 34 and the slider 33 to move, thereby causing the motor 4 to drive the rotating rod 5, the counterweight 7, and the grinding plate 8 to move, inserting into the hydraulic cylinder for grinding and grinding the hydraulic cylinder from left to right.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hydraulic cylinder processing and grinding device, comprising a base (1), a clamping assembly (2), a motor (4) slidably mounted on the base (1) via a traveling assembly (3), and a rotating rod (5) fixedly mounted on the output shaft of the motor (4), characterized in that: The right end of the rotating rod (5) is rotatably mounted with a pair of counterweights (7) via a synchronous rotating assembly (6), and a grinding plate (8) is fixedly mounted on the side of the pair of counterweights (7) away from each other. The synchronous rotation assembly (6) includes a pair of mounting slots (61) symmetrically opened on the outer wall of the rotating rod (5), and an outer expansion plate (62) is rotatably installed in the mounting slot (61). Each outer expansion plate (62) has a through hole at both ends, and a vertical shaft (63) is inserted into the two through holes. The two ends of the vertical shaft (63) are respectively fixedly connected to the rotating rod (5) and the counterweight (7). The two vertical shafts (63) are connected by a synchronous rotation structure (64).

2. The hydraulic cylinder machining and grinding device according to claim 1, characterized in that: The synchronous rotation structure (64) includes wheel grooves (641) and belt grooves (642) opened on the outer walls of both ends and the front and rear sides of the outer expansion plate (62). The wheel grooves (641) and belt grooves (642) are respectively rotatably installed with synchronous pulleys (643) and synchronous belts (644). The two vertical shafts (63) are respectively fixedly installed on the outer walls. The two synchronous pulleys (643) are fitted with synchronous belts (644) that mesh with the two synchronous pulleys (643).

3. The hydraulic cylinder machining and grinding device according to claim 1, characterized in that: The right end face of the counterweight (7) is provided with a counterweight hole (9) for accommodating the counterweight, and the counterweight hole (9) is internally threaded with a sealing post (10).

4. The hydraulic cylinder machining and grinding device according to claim 1, characterized in that: A pair of counterweights (7) have grooves (11) on their end faces close to each other, and magnets (12) are fixedly installed in the grooves (11). The two magnets (12) are magnetically attracted to each other on their end faces close to each other.

5. The hydraulic cylinder machining and grinding device according to claim 1, characterized in that: The clamping assembly (2) includes a U-shaped frame (21) fixed on the base (1), and a pair of clamping plates (23) are slidably installed inside the U-shaped frame (21) via a pair of columns (22). The end faces of the pair of clamping plates (23) close to each other are provided with limiting grooves for accommodating hydraulic cylinders. A bidirectional screw (24) is rotatably installed inside the U-shaped frame (21), and two clamping plates (23) are threadedly connected to the two outer walls of the bidirectional screw (24) with opposite thread directions. A second motor (25) is fixedly installed on the top of the U-shaped frame (21), and the output shaft of the second motor (25) is fixedly connected to the bidirectional screw (24).

6. The hydraulic cylinder machining and grinding device according to claim 1, characterized in that: The traveling component (3) includes a pair of guide rails (31) and a cylinder (32) fixed on the top of the base (1), and a slider (33) is slidably mounted on the guide rails (31). The top of the slider (33) is fixedly connected to the mounting bracket (34), and a motor (4) is fixedly mounted on the top of the mounting bracket (34). The output end of the cylinder (32) is fixedly connected to the mounting bracket (34).

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