Precise polishing device for inner surface of cylinder barrel of automobile shock absorber

Abstract

The utility model discloses a precise polishing device for the inner surface of a cylinder barrel of an automobile shock absorber, and belongs to the technical field of automobile shock absorbers. The device comprises a base and a rack, and the base is provided with a machining table capable of rotating; a shock absorber cylinder barrel is arranged on the machining table, a polishing part is arranged above the machining table, and a lifting mechanism is arranged on the polishing part. The polishing part comprises a polishing rod and a dust collection piece, the dust collection piece is arranged close to the polishing rod, and the dust collection piece is provided with a C-shaped groove for half surrounding the polishing rod; a second interval is reserved between the dust collection part and the inner surface of the shock absorber cylinder barrel, a cleaning brush is arranged in the second interval, and the cleaning brush makes contact with the inner surface of the shock absorber cylinder barrel; a dust collection channel is arranged in the dust collection part and communicated with a dust collection device through a dust collection pipe, the dust collection part is provided with dust collection openings, the dust collection openings comprise the first dust collection opening and the second dust collection opening, the first dust collection opening is formed in the groove wall of the groove, and the second dust collection opening is formed in the side, right facing the inner surface of the shock absorber cylinder barrel, of the dust collection part. The polishing device has the advantage that the polishing quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile shock absorber, especially relates to a precise polishing device for the inner surface of automobile shock absorber cylinder. BACKGROUND

[0002] As the core component of the vehicle suspension system, the performance of the automobile shock absorber is directly related to the driving smoothness, control stability and ride comfort. The cylinder of the shock absorber is a precise cavity for piston movement, and the processing quality of the inner surface of the cylinder has a decisive influence on the sealing, durability and dynamic response characteristics of the shock absorber. If there are micro scratches, burrs or uneven roughness on the inner surface of the cylinder, it will cause abnormal wear of the sealing element, hydraulic oil leakage, and even cause the shock absorber to fail, which seriously affects the driving safety.

[0003] At present, the polishing process for the inner surface of the shock absorber cylinder mainly relies on mechanical processing method, but the debris generated by polishing will adhere to the inner wall of the shock absorber cylinder, directly affecting the polishing quality. Moreover, the debris generated by polishing will also adhere to the polishing rod, and then grind the inner surface of the shock absorber cylinder with the polishing rod. Due to the existence of debris, the inner surface of the shock absorber cylinder will be uneven during polishing, resulting in low polishing quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a precise polishing device for the inner surface of automobile shock absorber cylinder which improves the polishing quality.

[0005] In order to achieve the above utility model purpose, the precise polishing device for the inner surface of automobile shock absorber cylinder adopts the following technical scheme:

[0006] The utility model provides a kind of automobile shock absorber cylinder inner surface precision polishing device, including base and the rack being arranged on base, the base is equipped with rotatable processing table, processing table is equipped with the first rotating mechanism of driving its rotation;The shock absorber cylinder is arranged on the processing table, and the shock absorber cylinder is equipped with the fixed component that it is fixed on processing table, the polishing part is arranged above processing table, and the polishing part is equipped with lift mechanism for driving it to extend into shock absorber cylinder;The polishing part includes polishing rod and dust collection piece, one side of polishing rod is used to contact the inner surface of shock absorber cylinder, and the polishing rod is equipped with the second rotating mechanism of driving its rotation;The polishing rod is arranged as cylindrical type, and dust collection piece is arranged close to polishing rod, one side of the dust collection piece is equipped with C type groove that polishing rod is half enclosed, and the groove extends along the height direction of dust collection piece, and first spacing is left between the groove wall of the groove and the outer wall of polishing rod;Second spacing is left between the dust collection piece and the inner surface of shock absorber cylinder, and cleaning brush is equipped in second spacing, and the cleaning brush is arranged on dust collection piece, and the brush end of cleaning brush is in contact with the inner surface of shock absorber cylinder;The inside of dust collection piece is equipped with dust collection channel, and dust collection channel is connected with dust collection device through dust collection pipe, and the dust collection piece is equipped with dust collection port that connects dust collection channel, and dust collection port includes first dust collection port and second dust collection port, and first dust collection port is arranged in groove wall, and second dust collection port is arranged on the side of dust collection piece opposite to the inner surface of shock absorber cylinder, and the first dust collection port is connected with the second dust collection port.

[0007] Preferably, the rack is provided with a support capable of lifting, and the polishing part is arranged on the support;The lift mechanism includes a lift motor arranged on the rack, the output shaft of the lift motor is connected with a lead screw, and the lower end of the lead screw is rotatably mounted on the base;The support is provided with a lead screw nut, and the lead screw and the lead screw nut are threadedly connected.The lift motor drives the lead screw to rotate, which drives the lead screw nut to move up and down along the lead screw, thereby driving the support to move up and down, and further driving the polishing part to move up and down.

[0008] Preferably, the rack is provided with a first sliding rail arranged vertically, and the support is provided with a first sliding block matched with the first sliding rail, and the first sliding block is capable of vertically sliding along the first sliding rail.The first sliding rail and the first sliding block guide the vertical movement of the support, thereby ensuring the vertical movement of the polishing part.

[0009] Preferably, the first rotating mechanism includes a first rotating motor arranged on the base, and the output shaft of the first rotating motor is connected with a driving wheel;The processing table is provided with a driven wheel, and the outer periphery of the driving wheel and the driven wheel is wrapped with a belt.The first rotating motor drives the driving wheel to rotate, which drives the driven wheel to rotate under the action of the belt, thereby driving the processing table to rotate.

[0010] Preferably, the second rotating mechanism includes a second rotating motor arranged on the support, the output shaft of the second rotating motor is connected with the polishing rod, and the polishing rod is rotatably mounted on the support.The second rotating motor drives the polishing rod to rotate, which realizes the polishing of the inner surface of the shock absorber cylinder.

[0011] Preferably, the fixing assembly comprises a fixing frame arranged on the machining table, the fixing frame is provided with a plurality of clamping plates, the clamping plates are provided with air cylinders for driving the clamping plates to tightly press the shock absorber cylinder, the cylinder barrels of the air cylinders are fixed on the fixing frame, the piston rods of the air cylinders are connected with the clamping plates, and the clamping plates are in contact with the outer surface of the shock absorber cylinder. The air cylinders extend to push the clamping plates to tightly press the shock absorber cylinder, so that the shock absorber cylinder is stably arranged on the machining table.

[0012] Preferably, the fixing frame is provided with a second sliding rail, and the bottom of the clamping plate is provided with a second sliding block matched with the second sliding rail.

[0013] Preferably, a plurality of dust suction ports are arranged along the height direction of the dust suction member.

[0014] Preferably, the first dust suction port is arranged in a C shape along the groove wall.

[0015] Preferably, the dust suction member is detachably arranged on the support, the support is provided with a mounting hole, the dust suction member is provided with a mounting screw, one end of the mounting screw is connected with the dust suction member, the other end of the mounting screw passes through the mounting hole and is provided with a locking nut, and the locking nut is threadedly connected with the mounting screw. The mounting screw of the dust suction member passes through the mounting hole, and then the locking nut is screwed, so that the dust suction member is arranged on the support through the locking of the locking nut.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The dust suction member is arranged to suck and remove the debris generated during polishing, thereby reducing the adhesion of the debris to the inner surface of the shock absorber cylinder, improving the polishing quality, and having practicality.

[0018] 2. The dust suction port of the dust suction member comprises the first dust suction port arranged on the groove wall and the second dust suction port arranged on the inner surface of the shock absorber cylinder, so that the debris adhered to the inner surface of the shock absorber cylinder is sucked and removed, the debris adhered to the outer wall of the polishing rod is also sucked and removed, the dust suction effect is improved, and the polishing quality is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is an enlarged view of A part of Figure 1

[0021] Figure 3 It is a perspective view of the dust suction member;

[0022] Figure 4 It is an enlarged view of B part of Figure 3 ​​

[0023] Figure 5 Schematic view of dust suction device and polishing rod in shock absorber cylinder.

[0024] Wherein, 1 driven wheel, 2 base, 3 processing platform, 4 dust suction device, 5 dust suction pipe, 6 rack, 7 lifting motor, 8 screw rod, 9 first sliding rail, 10 screw nut, 11 first sliding block, 12 support, 13 first rotary motor, 14 driving wheel, 15 belt, 16 second rotary motor, 17 locking nut, 18 mounting screw rod, 19 dust suction port, 19a first dust suction port, 19b second dust suction port, 20 dust suction channel, 21 shock absorber cylinder, 22 fixing frame, 23 second sliding block, 24 second sliding rail, 25 air cylinder, 26 clamping plate, 27 polishing rod, 28 dust suction device, 29 groove, 30 cleaning brush, 31 first interval, 32 second interval. DETAILED DESCRIPTION

[0025] The present application will be further illustrated by the following specific embodiments, which are only used to illustrate the present application and not used to limit the scope of the present application. After reading the present application, those skilled in the art can make various equivalent modifications to the present application, which all fall within the scope defined by the appended claims.

[0026] As Figures 1-5As shown, a kind of automobile shock absorber cylinder inner surface precision polishing device, including base 2 and the rack 6 being set on base 2, base 2 is equipped with the machining table 3 of being able to rotate, machining table 3 is equipped with the first rotation mechanism of driving its rotation;First rotation mechanism includes the first rotation motor 13 being set on base 2, the output shaft of first rotation motor 13 is connected with driving wheel 14;Machining table 3 is equipped with driven wheel 1, driving wheel 14 and the outer periphery of driven wheel 1 are around belt 15;Machining table is arranged shock absorber cylinder, shock absorber cylinder is equipped with the fixing assembly of being fixed on machining table, fixing assembly includes the fixing frame 22 being set on machining table 3, fixing frame 22 is equipped with multiple clamping plates 26, clamping plate 26 is equipped with the air cylinder 25 of driving its top tight shock absorber cylinder 21, the cylinder of air cylinder 25 is fixed on fixing frame 22, the piston rod of air cylinder 25 is connected clamping plate 26, clamping plate 26 and the outer surface of shock absorber cylinder 21 contact;Fixing frame 22 is equipped with second sliding rail 24, the bottom of clamping plate 26 is equipped with the second sliding block 23 of cooperation second sliding rail 24, second sliding block 23 can slide along second sliding rail 24;The upper portion of machining table 3 is provided with polishing part, and the lifting mechanism is provided for driving the polishing part to extend into the shock absorber cylinder 21;Rack 6 is equipped with the support 12 that can be lifted, and the polishing part is arranged on the support 12;Lifting mechanism includes the lifting motor 7 being set on rack 6, the output shaft of lifting motor 7 is connected with lead screw 8, and the lower end of lead screw 8 is rotatably mounted on base 2;Support 12 is equipped with screw nut 10, and lead screw 8 and screw nut 10 are threadedly connected;Rack 6 is equipped with the first sliding rail 9 being vertically arranged, and the first sliding block 11 of cooperation first sliding rail 9 is arranged on the support 12, and the first sliding block 11 can vertically slide along the first sliding rail 9;Polishing part includes polishing rod 27 and dust collection member 28, one side of polishing rod 27 is used to contact the inner surface of shock absorber cylinder 21, and the second rotation mechanism is arranged on the support 12 for driving the rotation of polishing rod 27;Second rotation mechanism includes the second rotation motor 16 being set on support 12, the output shaft of second rotation motor 16 is connected with polishing rod 27, and polishing rod 27 is rotatably mounted on support 12;Polishing rod 27 is arranged in a cylindrical shape, dust collection member 28 is arranged close to polishing rod 27, dust collection member 28 is detachably mounted on support 12, support 12 is provided with mounting hole, dust collection member 28 is provided with mounting screw 18, one end of mounting screw 18 is connected with dust collection member 28, the other end of mounting screw 18 passes through mounting hole and is provided with locking nut 17, and locking nut 17 is threadedly connected with mounting screw 18;One side of dust collection member 28 is provided with C-shaped groove for half-enclosing polishing rod 27, the groove extends along the height direction of dust collection member 28, and the first spacing 31 is left between the groove wall of the groove and the outer wall of polishing rod 27;Second spacing 32 is left between dust collection member 28 and the inner surface of shock absorber cylinder 21, and cleaning brush is arranged in second spacing 32, cleaning brush is arranged on dust collection member 28, and the brush end of cleaning brush contacts the inner surface of shock absorber cylinder 21.The inside of the dust suction piece 28 is provided with a dust suction channel 20, the dust suction channel 20 is communicated with the dust suction device 4 through the dust suction pipe 5, the dust suction piece 28 is provided with a plurality of dust suction ports 19 connected with the dust suction channel 20, the dust suction ports 19 are arranged along the height direction of the dust suction piece 28, the dust suction ports 19 include first dust suction ports 19a and second dust suction ports 19b, the first dust suction ports 19a are arranged on the groove wall, the first dust suction ports 19a are arranged in a C shape along the groove wall, the second dust suction ports 19b are arranged on the side of the dust suction piece 28 opposite to the inner surface of the shock absorber cylinder 21, and the first dust suction ports 19a are communicated with the second dust suction ports 19b.

[0027] The specific working process and principle of the utility model are as follows: the shock absorber cylinder 21 is placed on the machining table 3, the clamping plate 26 is clamped to the shock absorber cylinder 21 by driving the air cylinder 25, then the lifting motor 7 drives the screw rod 8 to rotate, drives the screw nut 10 to lift along the screw rod 8, thereby drives the support 12 to lift, further drives the polishing part to lift, and the polishing part is inserted into the shock absorber cylinder 21, at this time, the second rotary motor 16 drives the polishing rod 27 to rotate, simultaneously, the first rotary motor 13 drives the driving wheel 14 to rotate, drives the driven wheel 1 to rotate under the action of the belt 15, thereby drives the machining table 3 to rotate, further drives the shock absorber cylinder 21 to rotate; polishing is realized through the rotation of the polishing rod 27 and the rotation of the shock absorber cylinder 21, and the dust suction device 4 works simultaneously, the dust suction channel 20 is sucked through the dust suction pipe 5, and the polishing debris is sucked away, wherein, through the first dust suction port 19a arranged on the groove wall, the polishing rod 27 can suck away the debris adhered to the outer wall; and through the second dust suction port 19b arranged on the dust suction piece 28 opposite to the inner surface of the shock absorber cylinder 21, the shock absorber cylinder 21 can suck away the debris adhered to the inner surface; simultaneously, the cleaning brush arranged on the dust suction piece 28 can clean the inner surface of the shock absorber cylinder 21, further ensure that the inner surface of the shock absorber cylinder 21 does not adhere to the debris, thereby improving the polishing quality.

[0028] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model.

[0029] In the utility model, unless another definite provision and limitation, the term "mount", "set", "connect", "fix", "screw" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element internal communication or two element's interaction relation, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0030] The above description shows and describes the preferred embodiments of the utility model, as mentioned before, it should be understood that the utility model is not limited to the form disclosed herein, should not be regarded as the exclusion of other embodiments, and can be used in various other combinations, modifications and environments, and can be within the scope of the utility model conceived in the present application, by the above teaching or related art or knowledge is changed.And the change of the person of the art without departing from the spirit and scope of the utility model, then all should be within the scope of protection of the claims of the utility model attached.

Claims

1. A device for precision polishing the inner surface of a cylinder of a vehicle shock absorber, characterized by: The base is provided with a rotatable machining table, and the machining table is provided with a first rotating mechanism for driving the rotation thereof; a shock absorber cylinder is arranged on the machining table, and the shock absorber cylinder is provided with a fixing assembly for fixing the shock absorber cylinder to the machining table; a polishing part is arranged above the machining table, and the polishing part is provided with a lifting mechanism for driving the polishing part to extend into the shock absorber cylinder; The polishing part comprises a polishing rod and a dust collection part, one side of the polishing rod is used for contacting the inner surface of the shock absorber cylinder, and the polishing rod is provided with a second rotating mechanism for driving the rotation thereof; the polishing rod is in a cylindrical shape, and the dust collection part is arranged close to the polishing rod; one side of the dust collection part is provided with a C-shaped groove for semi-surrounding the polishing rod, the groove extends along the height direction of the dust collection part, and a first spacing is left between the groove wall of the groove and the outer wall of the polishing rod; a second spacing is left between the dust collection part and the inner surface of the shock absorber cylinder, and a cleaning brush is arranged in the second spacing; the cleaning brush is arranged on the dust collection part, and the brush end of the cleaning brush is in contact with the inner surface of the shock absorber cylinder; The inside of the dust collection part is provided with a dust collection channel, the dust collection channel is connected to a dust collection device through a dust collection pipe, the dust collection part is provided with a dust collection port for connecting the dust collection channel, the dust collection port comprises a first dust collection port and a second dust collection port, the first dust collection port is arranged on the groove wall, and the second dust collection port is arranged on the side of the dust collection part opposite to the inner surface of the shock absorber cylinder; the first dust collection port is connected to the second dust collection port.

2. The device for precision polishing the inner surface of the cylinder tube of an automobile shock absorber according to claim 1, characterized in that: The polishing part is arranged on the bracket, and the bracket is arranged on the frame; the lifting mechanism comprises a lifting motor arranged on the frame, the output shaft of the lifting motor is connected to a lead screw, and the lower end of the lead screw is rotatably arranged on the base; the bracket is provided with a lead screw nut, and the lead screw and the lead screw nut are threadedly connected.

3. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 2, characterized in that: The frame is provided with a first sliding rail arranged vertically, and the bracket is provided with a first sliding block matched with the first sliding rail; the first sliding block can vertically slide along the first sliding rail.

4. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 1, characterized in that: The first rotating mechanism comprises a first rotating motor arranged on the base, and the output shaft of the first rotating motor is connected to a driving wheel; the machining table is provided with a driven wheel, and the outer periphery of the driving wheel and the driven wheel is wrapped with a belt.

5. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 2, characterized in that: The second rotating mechanism comprises a second rotating motor arranged on the bracket, and the output shaft of the second rotating motor is connected to the polishing rod; the polishing rod is rotatably arranged on the bracket.

6. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 1, characterized in that: The fixing assembly comprises a fixing frame arranged on the machining table, and the fixing frame is provided with a plurality of clamping plates; the clamping plates are provided with air cylinders for driving the clamping plates to tightly press the shock absorber cylinder; the cylinder of the air cylinder is fixed to the fixing frame, the piston rod of the air cylinder is connected to the clamping plate, and the clamping plate is in contact with the outer surface of the shock absorber cylinder.

7. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 6, characterized in that: The fixing frame is provided with a second sliding rail, and the bottom of the clamping plate is provided with a second sliding block matched with the second sliding rail; the second sliding block can slide along the second sliding rail.

8. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 1, characterized in that: A plurality of dust collection ports are arranged along the height direction of the dust collection part.

9. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 1, characterized in that: The first dust collection port is arranged in a C shape along the groove wall.

10. The device for precision polishing of the inner surface of the cylinder of a car shock absorber according to claim 2, characterized in that: The dust collection part is detachably arranged on the bracket, the bracket is provided with a mounting hole, the dust collection part is provided with a mounting screw, one end of the mounting screw is connected to the dust collection part, the other end of the mounting screw passes through the mounting hole and is provided with a locking nut, and the locking nut is threadedly connected to the mounting screw.

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