Cylindrical grinding machine for hydraulic oil cylinder production

Abstract

The utility model provides a cylindrical grinding machine for hydraulic oil cylinder production, and relates to the technical field of hydraulic oil cylinder production. The cylindrical grinding machine for hydraulic oil cylinder production comprises a base, two supporting frames are fixedly installed on the top of the base, a feeding sliding way and a discharging sliding way are formed in one side of each supporting frame, clamp assemblies are arranged on the two sides of the base, and a moving frame is slidably installed on the top of the base; an adjusting structure is arranged on one side of the movable frame and comprises a movable plate. According to the cylindrical grinding machine produced by the hydraulic oil cylinder, one gear is driven by a forward and reverse motor to rotate, so that the other gear is driven to rotate, the two gears can drive two racks to move correspondingly, then a moving plate is driven by a connecting plate to move, and the position between a grinding wheel and a piston rod is adjusted; and the device can be correspondingly moved and adjusted according to the radius of the piston rod and the shaft diameter needing to be ground, the application range of the device is widened, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to an external cylindrical grinder, in particular to an external cylindrical grinder for producing hydraulic oil cylinders, belonging to the technical field of hydraulic oil cylinder production. Background Art

[0002] The hydraulic cylinder is a linear motion actuator whose output force is proportional to the effective area of ​​the piston and the pressure difference on both sides. The piston rod and the cylinder barrel in the hydraulic cylinder have a high matching accuracy, and the matching surface of the piston rod is processed by an external cylindrical grinder. The external cylindrical grinder is a grinder that processes the outer surface of the workpiece with cylindrical, conical or other shapes and the shoulder end surface.

[0003] The disclosure number is CN214351285U, a cylindrical grinder for producing hydraulic cylinders of dump trucks, comprising a spindle box, a tailstock box, a chuck, a driving mechanism, a grinding wheel frame and a grinding wheel. The spindle box and the tailstock box are both provided with a loading chute and a discharging chute, and a receiving plate for receiving the workpiece is provided at the end of the discharging chute. The chuck is provided with a centripetal opening corresponding to the loading chute. The chuck is a pneumatic chuck, and the pneumatic chuck includes two clamping claws that are symmetrically distributed about the centripetal opening. The opposite surfaces of the two clamping claws are V-shaped surfaces. The driving mechanism simultaneously drives two parallel-moving grinding wheel frames, and a box-type grinding wheel seat is provided at the head of the grinding wheel frame, a semicircular grinding wheel is provided on one side of the grinding wheel seat, and a chip accumulation groove is provided on one side of the driving seat, and the chip accumulation groove is located below the chuck.

[0004] Although there are many benefits in the above scheme, there are also the following defects: 1. When processing the piston rod, the distance between the grinding wheel and the piston rod cannot be adjusted, resulting in a limited radius of the piston rod that can be ground by the device, a small scope of application, and reduced practicality of the device; 2. After the grinding wheel has been used for a period of time, in order to ensure its grinding effect, it needs to be disassembled and replaced. It is troublesome to disassemble the grinding wheel, and the operation is difficult, and the use effect is not very good. Summary of the invention

[0005] The purpose of the utility model is to provide an external cylindrical grinder for the production of hydraulic cylinders in order to solve the above-mentioned problems, so as to solve the problem in the prior art that when processing the piston rod, the distance between the grinding wheel and the piston rod cannot be adjusted, resulting in a limited radius of the piston rod that can be ground by the device, a small scope of application, and reduced practicality of the device.

[0006] The utility model is implemented through the following technical scheme: an external cylindrical grinding machine produced by a hydraulic cylinder comprises a base, two support frames are fixedly installed on the top of the base, one side of the two support frames is provided with a loading slide and a discharging slide, both sides of the base are provided with a clamp assembly, a mobile frame is slidably installed on the top of the base, one side of the mobile frame is provided with an adjustment structure, the adjustment structure comprises a mobile plate, one side of the mobile frame is provided with a first slide groove, one side of the mobile plate passes through the first slide groove and is in sliding contact with the mobile frame, two connecting plates are fixedly installed on the top of the mobile plate, one side of the connecting plate is fixedly installed with a rack, two gears are rotatably installed on the top of the mobile frame, the two racks are respectively meshed with the two gears, and the two gears are meshed.

[0007] Preferably, a limit plate is fixedly installed on the top of the movable frame, and one side of the two racks passes through the limit plate and is in sliding contact with the limit plate. The set limit plate can limit the two racks to ensure that the racks will not deviate when moving, thereby improving the stability of the device.

[0008] Preferably, a placement rack is fixedly mounted on the top of the moving rack, a forward and reverse motor is fixedly mounted on the top of the placement rack, and an output end of the forward and reverse motor passes through the placement rack and is fixedly connected to one of the gears.

[0009] Preferably, a moving component is arranged between the two support frames, and the moving component includes two fixed plates and a reciprocating screw rod, the two fixed plates are fixedly installed between the two support frames, the reciprocating screw rod is rotatably installed between the two support frames, a driving motor is fixedly installed on one side of one of the support frames, and the output end of the driving motor passes through one of the support frames and is fixedly connected to the reciprocating screw rod.

[0010] Preferably, the movable frame is connected to the outside of the reciprocating screw through a nut pair, and the movable frame is arranged between two fixed plates and in sliding contact with the two fixed plates. The two fixed plates can limit the movable frame to ensure that the movable frame is in a vertical state and will not rotate with the rotation of the reciprocating screw.

[0011] Preferably, a fixed structure is provided on one side of the movable plate, and the fixed structure includes two support plates and two square frames, the two support plates are fixedly mounted on one side of the movable plate, a second slide groove is provided on the top of the support plate, the square frame is arranged inside the second slide groove and in sliding contact with the support plate, and a grinding wheel is fixedly installed between the two square frames and cooperates with the square frame through the second slide groove, so that the grinding wheel fixed by the square frame will not rotate due to the rotation of the piston rod when grinding the piston rod, effectively preventing the grinding wheel from rotating with the piston rod to reduce the grinding effect.

[0012] Preferably, both ends of the grinding wheel are fixedly installed with return springs, and the two return springs are respectively arranged on the inner sides of the two square frames. One end of the return spring is fixedly installed with a limit column, and the limit column is arranged on the inner side of the square frame and in sliding contact with the square frame. A limit groove is formed on one side of the second slide groove of the support plate, and the limit column matches the limit groove.

[0013] The utility model provides a cylindrical grinding machine produced by a hydraulic cylinder, which has the following beneficial effects:

[0014] The cylindrical grinder produced by the hydraulic cylinder drives one of the gears to rotate through the forward and reverse motors, thereby driving the other gear to rotate. The two gears will respectively drive the two racks to move, and then drive the moving plate to move through the connecting plate to adjust the position between the grinding wheel and the piston rod, so that the device can be moved and adjusted accordingly according to the radius of the piston rod and the shaft diameter to be ground, which improves the application range of the device and enhances the practicability of the device.

[0015] The cylindrical grinder produced by the hydraulic cylinder presses the two limit columns to press the limit columns from the limit groove into the square frame, thereby canceling the limit on the grinding wheel, and then slides the square frame out of the second limit groove of the support plate to take out and replace the old grinding wheel, and then presses the limit columns on both sides of the new grinding wheel to enter the inner sides of the two square frames, and then slides the two square frames into the second sliding grooves of the two support plates respectively, and when sliding to the bottom, under the elastic action of the reset spring, the limit column will be moved out to the inside of the limit groove to limit and fix the new grinding wheel, thereby completing the replacement, making the disassembly and replacement of the grinding wheel simpler and more convenient, and improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the mobile component of the utility model;

[0019] Figure 3 It is a schematic diagram of the adjustment structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the fixing structure of the utility model.

[0021]

Main component symbol description

[0022] 1. Base; 2. Support frame; 3. Loading slide; 4. Discharging slide; 5. Clamp assembly; 6. Fixed plate; 7. Reciprocating screw; 8. Driving motor; 9. Moving frame; 10. Moving plate; 11. Connecting plate; 12. Rack; 13. Limiting plate; 14. Gear; 15. Placement frame; 16. Forward and reverse motor; 17. Support plate; 18. Grinding wheel; 19. Square frame; 20. Reset spring; 21. Limiting column. DETAILED DESCRIPTION

[0023] The embodiment of the utility model provides an external cylindrical grinding machine for producing hydraulic cylinders.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a base 1, two supporting frames 2 are fixedly installed on the top of the base 1, one side of the two supporting frames 2 is provided with a loading chute 3 and a discharging chute 4, both sides of the base 1 are provided with clamp assemblies 5, a mobile frame 9 is slidably installed on the top of the base 1, one side of the mobile frame 9 is provided with an adjustment structure, the adjustment structure includes a mobile plate 10, one side of the mobile frame 9 is provided with a first slide groove, one side of the mobile plate 10 passes through the first slide groove and is in sliding contact with the mobile frame 9, two connecting plates 11 are fixedly installed on the top of the mobile plate 10, one side of the connecting plate 11 is fixedly installed with a rack 12, and two gears 14 are rotatably installed on the top of the mobile frame 9, the two racks 12 are respectively meshed with the two gears 14, and the two gears 14 are meshed.

[0025] As for the structural technology of the clamp assembly 5, the specific structure of a cylindrical grinder for producing a hydraulic cylinder of a dump truck with a publication number of CN214351285U is adopted.

[0026] In this embodiment, a limiting plate 13 is fixedly installed on the top of the moving frame 9 , and one side of the two racks 12 passes through the limiting plate 13 and is in sliding contact with the limiting plate 13 .

[0027] In this embodiment, a placement rack 15 is fixedly installed on the top of the moving rack 9 , and a forward and reverse motor 16 is fixedly installed on the top of the placement rack 15 . The output end of the forward and reverse motor 16 passes through the placement rack 15 and is fixedly connected to one of the gears 14 .

[0028] In this embodiment, a moving component is arranged between the two support frames 2, and the moving component includes two fixed plates 6 and a reciprocating screw rod 7. The two fixed plates 6 are fixedly installed between the two support frames 2, and the reciprocating screw rod 7 is rotatably installed between the two support frames 2. A driving motor 8 is fixedly installed on one side of one of the support frames 2, and the output end of the driving motor 8 passes through one of the support frames 2 and is fixedly connected to the reciprocating screw rod 7.

[0029] In this embodiment, the moving frame 9 is connected to the outer side of the reciprocating screw rod 7 through a nut pair, and the moving frame 9 is disposed between the two fixed plates 6 and is in sliding contact with the two fixed plates 6 .

[0030] In this embodiment, a fixed structure is provided on one side of the movable plate 10, and the fixed structure includes two support plates 17 and two square frames 19. The two support plates 17 are fixedly installed on one side of the movable plate 10. A second slide groove is provided on the top of the support plate 17. The square frame 19 is arranged inside the second slide groove and in sliding contact with the support plate 17. A grinding wheel 18 is fixedly installed between the two square frames 19.

[0031] In this embodiment, return springs 20 are fixedly installed at both ends of the grinding wheel 18, and the two return springs 20 are respectively arranged on the inner sides of the two square frames 19. A limiting column 21 is fixedly installed at one end of the return spring 20. The limiting column 21 is arranged on the inner side of the square frame 19 and is in sliding contact with the square frame 19. A limiting groove is formed on one side of the second slide groove of the support plate 17, and the limiting column 21 matches the limiting groove.

[0032] It should be noted that the utility model is a cylindrical grinder for producing hydraulic cylinders. When in use, the piston rod to be processed is placed between two clamp assemblies 5 through two loading slideways 3 for fixed rotation, and then the piston rod is grinded by a grinding wheel 18;

[0033] When different positions of the piston rod need to be polished, the drive motor 8 is started. The model of the drive motor 8 is not described in detail, and the adapted device shall prevail. The drive motor 8 drives the reciprocating screw 7 to rotate, thereby driving the moving frame 9 to move, and driving the grinding wheel 18 to move left and right, so as to polish different positions of the piston rod;

[0034] When it is necessary to grind piston rods of different radii, the forward and reverse motor 16 is started. The model of the forward and reverse motor 16 is not described in detail, and the adapter device shall prevail. The forward and reverse motor 16 will drive one of the gears 14 to rotate, thereby driving the other gear 14 to rotate. The two gears 14 will respectively drive the two racks 12 to move, and then drive the moving plate 10 to move through the connecting plate 11 to adjust the position between the grinding wheel 18 and the piston rod, so that the device can be moved and adjusted accordingly according to the radius of the piston rod and the shaft diameter to be ground, thereby improving the application range of the device and enhancing the practicality of the device.

[0035] When the grinding wheel 18 needs to be replaced, the two limit posts 21 are pressed to press the limit posts 21 from the limit groove into the square frame 19, thereby canceling the limit fixation of the grinding wheel 18, and then the square frame 19 is slid out of the second limit groove of the support plate 17 to take out the old grinding wheel 18 for replacement, and then the limit posts 21 on both sides of the new grinding wheel 18 are pressed to enter the inner side of the two square frames 19, and then the two square frames 19 are respectively slid into the second slide grooves of the two support plates 17. When sliding to the bottom, under the elastic action of the return spring 20, the limit post 21 will be moved out to the inside of the limit groove to limit and fix the new grinding wheel 18, thereby completing the replacement, making the disassembly and replacement of the grinding wheel 18 simple and convenient, and improving the use effect of the device.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cylindrical grinding machine for producing hydraulic cylinders, comprising a base (1), characterized in that: Two support frames (2) are fixedly mounted on the top of the base (1), and a loading chute (3) and a discharging chute (4) are provided on one side of the two support frames (2). A clamp assembly (5) is provided on both sides of the base (1). A moving frame (9) is slidably mounted on the top of the base (1), and an adjustment structure is provided on one side of the moving frame (9). The adjustment structure comprises a moving plate (10), and a first slide groove is provided on one side of the moving frame (9). One side of the moving plate (10) passes through the first slide groove and is in sliding contact with the moving frame (9). Two connecting plates (11) are fixedly mounted on the top of the moving plate (10), and a rack (12) is fixedly mounted on one side of the connecting plate (11). Two gears (14) are rotatably mounted on the top of the moving frame (9), and the two racks (12) are respectively meshed and connected with the two gears (14), and the two gears (14) are meshed and connected.

2. The cylindrical grinding machine for producing hydraulic cylinders according to claim 1, characterized in that: A limit plate (13) is fixedly mounted on the top of the movable frame (9), and one side of each of the two racks (12) passes through the limit plate (13) and is in sliding contact with the limit plate (13).

3. The cylindrical grinding machine for producing hydraulic cylinders according to claim 1, characterized in that: A placement rack (15) is fixedly mounted on the top of the moving rack (9), and a forward and reverse motor (16) is fixedly mounted on the top of the placement rack (15). The output end of the forward and reverse motor (16) passes through the placement rack (15) and is fixedly connected to one of the gears (14).

4. The cylindrical grinding machine for producing hydraulic cylinders according to claim 1, characterized in that: A moving assembly is arranged between the two support frames (2), and the moving assembly comprises two fixed plates (6) and a reciprocating screw rod (7). The two fixed plates (6) are fixedly mounted between the two support frames (2), and the reciprocating screw rod (7) is rotatably mounted between the two support frames (2). A driving motor (8) is fixedly mounted on one side of one of the support frames (2), and an output end of the driving motor (8) passes through one of the support frames (2) and is fixedly connected to the reciprocating screw rod (7).

5. The cylindrical grinding machine for producing hydraulic cylinders according to claim 4, characterized in that: The movable frame (9) is connected to the outer side of the reciprocating screw rod (7) via a nut pair; the movable frame (9) is arranged between the two fixed plates (6) and is in sliding contact with the two fixed plates (6).

6. The cylindrical grinding machine for producing hydraulic cylinders according to claim 1, characterized in that: A fixed structure is provided on one side of the movable plate (10), the fixed structure comprising two support plates (17) and two square frames (19), the two support plates (17) are fixedly mounted on one side of the movable plate (10), a second slide groove is provided on the top of the support plate (17), the square frame (19) is arranged inside the second slide groove and in sliding contact with the support plate (17), and a grinding wheel (18) is fixedly mounted between the two square frames (19).

7. The cylindrical grinding machine for producing hydraulic cylinders according to claim 6, characterized in that: Both ends of the grinding wheel (18) are fixedly mounted with a return spring (20), the two return springs (20) are respectively arranged on the inner sides of the two square frames (19), one end of the return spring (20) is fixedly mounted with a limit column (21), the limit column (21) is arranged on the inner side of the square frame (19) and is in sliding contact with the square frame (19), and a limit groove is formed on one side of the second slide groove of the support plate (17), and the limit column (21) matches the limit groove.

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