Polishing device for inner wall of cylinder barrel of shock absorber

Abstract

The utility model relates to the technical field of shock absorber machining equipment, and discloses a shock absorber cylinder barrel inner wall polishing device which comprises a rack, a reciprocating rotating polishing assembly and a positioning assembly. The reciprocating rotary polishing assembly is arranged on the rack and comprises a reciprocating rotary transmission mechanism and a polishing head, and the reciprocating rotary transmission mechanism is in transmission connection with the polishing head and can drive the polishing head to do reciprocating linear and rotary motion at the same time. The positioning assembly is used for fixing the shock absorber cylinder barrel. The reciprocating rotation transmission mechanism drives the polishing head to rotate while performing linear reciprocating motion so as to polish the inner wall of the shock absorber cylinder barrel, and compared with manual polishing, the polishing machine is quicker and more convenient, the polishing efficiency is improved, and the labor cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber processing equipment technical field, specifically, relate to a shock absorber cylinder inner wall polishing device. BACKGROUND

[0002] Hydraulic cylinder commonly known as oil cylinder, is the hydraulic energy into mechanical energy, do linear reciprocating motion (or swing motion) of hydraulic actuator. It is simple in structure, reliable in operation. When it is used to realize reciprocating motion, the speed reducer can be avoided, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems. The output force of hydraulic cylinder and the effective area of piston are proportional to the pressure difference on both sides; hydraulic cylinder is basically composed of cylinder and cylinder cover, piston and piston rod, sealing device, buffer device and exhaust device. The buffer device and exhaust device are determined according to the specific application, and the other devices are essential.

[0003] Oil cylinder is often used in automobile shock absorber, there are many oil cylinder cylinder inner wall polishing processing machine equipment at present, the common polishing method is to hold the polisher manually for polishing, but this polishing method consumes more labor, and the danger is greater, and the efficiency is lower. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of shock absorber cylinder inner wall polishing device, the shock absorber cylinder inner wall polishing device processing efficiency is high, and artificial consumption is lower.

[0005] In order to realize the above-mentioned purpose, the utility model provides a kind of shock absorber cylinder inner wall polishing device, including:

[0006] Frame;

[0007] Reciprocating rotation polishing assembly, the reciprocating rotation polishing assembly is set on the frame, the reciprocating rotation polishing assembly includes reciprocating rotation transmission mechanism and polishing head, the reciprocating rotation transmission mechanism is connected with the polishing head transmission, and the polishing head can be driven to do reciprocating linear and rotary motion simultaneously;

[0008] Positioning assembly, the positioning assembly is used for fixing the shock absorber cylinder.

[0009] Preferably, the reciprocating rotation transmission mechanism includes:

[0010] Transmission motor, the transmission motor is set on the top of the frame;

[0011] Reciprocating screw rod, the reciprocating screw rod is set on the frame, and is connected with the transmission motor transmission;

[0012] Mounting plate, the mounting plate is provided with two, two the mounting plate is respectively set on the two ends of the reciprocating screw rod;

[0013] A reversing mechanism is arranged above the reciprocating screw rod and is in transmission connection with the reciprocating screw rod, for converting the rotating movement of the reciprocating screw rod into reciprocating linear movement;

[0014] A transmission shaft is arranged at one end of the reciprocating screw rod away from the transmission motor, and the transmission shaft is provided with a guide groove in the axial direction thereof;

[0015] A pushing cylinder is sleeved outside the transmission shaft, and the inner side wall of the pushing cylinder is provided with a guide strip matched with the guide groove, and the polishing head is arranged at one end of the pushing cylinder away from the transmission shaft;

[0016] A bearing is arranged outside the pushing cylinder;

[0017] A pushing rod is in transmission connection with the reversing mechanism at one end and is in transmission connection with the bearing at the other end.

[0018] Preferably, the reversing mechanism comprises:

[0019] A gantry is arranged across the reciprocating screw rod, and two pushing rods are arranged on two feet of the gantry, respectively;

[0020] Two linear guide rods are arranged between the two mounting plates and pass through the gantry;

[0021] A rotating shaft is rotationally connected to the bottom of the gantry;

[0022] A reversing plate is arranged at the bottom of the rotating shaft;

[0023] Two reversing blocks are arranged, one end of each of the two reversing blocks is connected with two ends of the reversing plate, respectively, and the other end is inserted into the threaded groove of the reciprocating screw rod.

[0024] Preferably, two mounting ears are arranged on both sides of the bearing, and the two mounting ears are connected with the two pushing rods, respectively.

[0025] Preferably, the positioning assembly comprises:

[0026] A base is arranged at the top of the rack, and the top of the base is provided with a positioning groove matched with the outer side wall of the shock absorber cylinder;

[0027] A locking mechanism is arranged at the top of the base, for fixing the shock absorber cylinder in the positioning groove.

[0028] Preferably, the locking mechanism comprises:

[0029] A U-shaped support is arranged on the top of the base;

[0030] A screw rod is threadedly connected to the top of the U-shaped support, and the bottom end of the screw rod penetrates through the U-shaped support downwardly;

[0031] A locking block is rotatably connected to the bottom end of the screw rod, and the bottom surface of the locking block is arc-shaped and matched with the outer surface of the shock absorber cylinder.

[0032] Preferably, the bottom surface of the locking block and the positioning groove are both provided with rubber pads.

[0033] According to the above technical scheme, the polishing head is driven by the reciprocating rotary transmission mechanism to rotate and move linearly at the same time, so as to polish the inner wall of the shock absorber cylinder, which is more rapid and convenient than manual polishing, improves the polishing efficiency, and saves the labor cost.

[0034] Other features and advantages of the present application will be described in detail in the following specific implementation mode part. BRIEF DESCRIPTION OF DRAWINGS

[0035] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific implementation mode to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0036] Fig. 1 A structure schematic view of the shock absorber cylinder inner wall polishing device of an embodiment of the present application is shown;

[0037] Fig. 2 A sectional view of the shock absorber cylinder inner wall polishing device of an embodiment of the present application is shown.

[0038] Fig. 3 A reciprocating screw rod and a reversing mechanism connection schematic view of an embodiment of the present application is shown. DETAILED DESCRIPTION

[0039] The specific implementation mode of the present application will be described in detail below in combination with the drawings. It should be understood that the specific implementation mode described herein is only used to illustrate and explain the present application, and is not used to limit the present application.

[0040] Please refer to Figs. 1-3The embodiment provides a shock absorber cylinder inner wall polishing device, which comprises a rack 1, a reciprocating rotation polishing assembly 2 and a positioning assembly 3. The reciprocating rotation polishing assembly 2 is arranged on the rack 1, the reciprocating rotation polishing assembly 2 comprises a reciprocating rotation transmission mechanism 21 and a polishing head 22, the reciprocating rotation transmission mechanism 21 is in transmission connection with the polishing head 22 and can drive the polishing head 22 to simultaneously perform reciprocating linear motion and rotation, and the positioning assembly 3 is used for fixing the shock absorber cylinder.

[0041] In specific work, the shock absorber cylinder is fixed on the positioning assembly 3, the opening of the cylinder faces the polishing head 22, then the reciprocating rotation transmission mechanism 21 is started to drive the polishing head 22 to simultaneously perform rotation and reciprocating linear motion towards the cylinder, so that the inner wall of the cylinder is polished, the operation is simple and convenient, manual polishing is not needed, safety is higher, the polishing efficiency is greatly improved, and the production cost is reduced.

[0042] Please refer to Fig. 2 and Fig. 3 The reciprocating rotation transmission mechanism 21 comprises a transmission motor 211, a reciprocating screw rod 212, two mounting plates 213, a reversing mechanism 214, a transmission shaft 215, a pushing cylinder 216, a bearing 217 and a pushing rod 218. The transmission motor 211 is arranged on the top of the rack 1, the reciprocating screw rod 212 is arranged on the rack 1 and in transmission connection with the transmission motor 211, the two mounting plates 213 are arranged at the two ends of the reciprocating screw rod 212, the reversing mechanism 214 is arranged above the reciprocating screw rod 212 and in transmission connection with the reciprocating screw rod 212, is used for converting the rotation of the reciprocating screw rod 212 into reciprocating linear motion, the transmission shaft 215 is arranged at the end of the reciprocating screw rod 212 away from the transmission motor 211, the transmission shaft 215 is provided with a guide groove 2151 in the axial direction, the pushing cylinder 216 is arranged on the outside of the transmission shaft 215, the inner side wall of the pushing cylinder 216 is provided with a guide strip 2161 matched with the guide groove 2151, the polishing head 22 is arranged at the end of the pushing cylinder 216 away from the transmission shaft 215, the bearing 217 is arranged on the outside of the pushing cylinder 216, one end of the pushing rod 218 is in transmission connection with the reversing mechanism 214, and the other end is in transmission connection with the bearing 217.

[0043] Specifically, in work, first, the transmission motor 211 is started, the transmission motor 211 drives the reciprocating screw rod 212 to rotate, the reciprocating screw rod 212 converts the rotation into reciprocating linear motion under the action of the reversing mechanism 214, the reversing mechanism 214 drives the pushing cylinder 216 to perform reciprocating linear motion through the pushing rod 218, and further drives the polishing head 22 to perform linear reciprocating motion; in addition, the rotation of the reciprocating screw rod 212 also drives the transmission shaft 215 to rotate, and the transmission shaft 215 drives the pushing cylinder 216 to rotate in the rotation process due to the action of the guide groove 2151 and the guide strip 2161, so that the polishing head 22 simultaneously performs rotation and linear reciprocating motion.

[0044] In the embodiment, the reversing mechanism 214 includes a portal frame 2141, linear guide rods 2142, a rotating shaft 2143, a reversing plate 2144, and reversing blocks 2145. The portal frame 2141 is arranged across the reciprocating screw rod 212. Two push rods 218 are arranged on two feet of the portal frame 2141. Two linear guide rods 2142 are arranged between the two mounting plates 213 and pass through the portal frame 2141. The rotating shaft 2143 is rotatably connected to the bottom of the portal frame 2141. The reversing plate 2144 is arranged at the bottom of the rotating shaft 2143. Two reversing blocks 2145 are arranged at two ends of the reversing plate 2144 and are inserted into the threaded grooves of the reciprocating screw rod 212.

[0045] The reciprocating screw rod 212 has two threaded grooves with the same pitch and opposite rotation directions. The two ends are connected by an over curve. The rotation of the screw rod drives the slider in the threaded groove to move axially. During the rotation of the reciprocating screw rod 212, the reversing blocks 2145 are driven to move linearly under the action of the threads of the reciprocating screw rod 212. When the reversing blocks 2145 move to the end of the reciprocating screw rod 212, the over curve of the reciprocating screw rod 212 drives the reversing blocks 2145 to rotate. The reversing blocks 2145 are switched to the other thread, thereby driving the portal frame 2141 to move linearly.

[0046] Preferably, two mounting ears 2171 are arranged on both sides of the bearing 217. The two mounting ears 2171 are connected to the two push rods 218. The mounting ears 2171 can better drive the bearing 217 to move linearly.

[0047] In the embodiment, the positioning assembly 3 includes a base 31 and a locking mechanism 32. The base 31 is arranged on the top of the rack 1. The top of the base 31 is provided with a positioning groove matched with the outer side wall of the shock absorber cylinder. The locking mechanism 32 is arranged on the top of the base 31 and is used to fix the shock absorber cylinder in the positioning groove.

[0048] Specifically, the locking mechanism 32 includes a U-shaped bracket 321, a screw rod 322, and a locking block 323. The U-shaped bracket 321 is arranged on the top of the base 31. The screw rod 322 is threadedly connected to the top of the U-shaped bracket 321 and penetrates the U-shaped bracket 321 downward. The locking block 323 is rotatably connected to the bottom end of the screw rod 322. The bottom surface of the locking block 323 is an arc matched with the outer side surface of the shock absorber cylinder.

[0049] In the installation, first put the cylinder into the positioning groove, then rotate the screw 322, under the action of the screw, the locking block 323 is moved towards the cylinder, so as to clamp the cylinder. In order to ensure the straight line motion of the locking block 323, a linear guide pair can be arranged on both sides of the locking block 323, and the other side of the linear guide pair is arranged on the inner side of the U-shaped support 321. Specifically, the bottom surface of the locking block 323 and the positioning groove are provided with rubber pads, which can improve the friction between the locking block 323 and the cylinder, improve the stability of the fixing, and ensure that the cylinder will not displace during polishing.

[0050] In summary, the embodiment drives the polishing head 22 to rotate and reciprocate linearly by the reciprocating rotary transmission mechanism 21, and polishes the inner wall of the shock absorber cylinder. Compared with manual polishing, it is more rapid and convenient, improves the polishing efficiency, and saves the labor cost.

[0051] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model. In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0052] In addition, various different embodiments of the utility model can also be combined arbitrarily, as long as they do not deviate from the idea of the utility model, and they should also be considered as disclosed contents of the utility model.

Claims

1. A shock absorber cylinder inner wall polishing device characterized by, The utility model relates to a reciprocating rotary polishing device for shock absorber cylinder, comprising: a rack; a reciprocating rotary polishing assembly arranged on the rack, the reciprocating rotary polishing assembly comprising a reciprocating rotary transmission mechanism and a polishing head, the reciprocating rotary transmission mechanism being in transmission connection with the polishing head and being capable of driving the polishing head to make reciprocating linear and rotary movements simultaneously; a positioning assembly for fixing the shock absorber cylinder; the positioning assembly comprising: a base arranged on the top of the rack, the top of the base being provided with a positioning groove matched with the outer wall of the shock absorber cylinder; a locking mechanism arranged on the top of the base for fixing the shock absorber cylinder in the positioning groove.

2. The shock absorber barrel inner wall polishing apparatus according to claim 1, characterized by, the reciprocating rotary transmission mechanism comprising: a transmission motor arranged on the top of the rack; a reciprocating screw rod arranged on the rack and in transmission connection with the transmission motor; two mounting plates arranged at the two ends of the reciprocating screw rod respectively; a reversing mechanism arranged above the reciprocating screw rod and in transmission connection with the reciprocating screw rod for converting the rotary movement of the reciprocating screw rod into reciprocating linear movement; a transmission shaft arranged at the end of the reciprocating screw rod away from the transmission motor, the transmission shaft being provided with a guide groove in the axial direction thereof; a pushing cylinder sleeved on the outer side of the transmission shaft, the inner wall of the pushing cylinder being provided with a guide strip matched with the guide groove, the polishing head being arranged at the end of the pushing cylinder away from the transmission shaft; a bearing arranged on the outer side of the pushing cylinder; a pushing rod having one end in transmission connection with the reversing mechanism and the other end in transmission connection with the bearing.

3. The shock absorber barrel inner wall polishing apparatus according to claim 2, characterized by, the reversing mechanism comprising: a portal frame arranged across the reciprocating screw rod, the pushing rod being arranged in two, the two pushing rods being arranged on the two legs of the portal frame respectively; two linear guide rods arranged between the two mounting plates and passing through the portal frame; a rotary shaft rotatably connected to the bottom of the portal frame; a reversing plate arranged at the bottom of the rotary shaft; two reversing blocks having one end connected to the two ends of the reversing plate respectively and the other end inserted into the threaded groove of the reciprocating screw rod.

4. The shock absorber barrel inner wall polishing apparatus according to claim 2, characterized by, both sides of the bearing are provided with two mounting ears, and the two mounting ears are connected with the two pushing rods respectively.

5. The shock absorber barrel inner wall polishing apparatus according to claim 1, characterized by, the locking mechanism comprising: a U-shaped support arranged across the top of the base; a screw rod threadedly connected to the top of the U-shaped support, the bottom end of the screw rod passing through the U-shaped support downwardly; a locking block rotatably connected to the bottom end of the screw rod, the bottom surface of the locking block being an arc surface matched with the outer surface of the shock absorber cylinder.

6. The shock absorber barrel inner wall polishing apparatus according to claim 5, characterized by the bottom surface of the locking block and the positioning groove are both provided with rubber pads.

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