An inner hole polishing machine for hydraulic cylinder processing

Abstract

The present invention discloses an inner hole polishing machine for hydraulic cylinder processing, which belongs to the field of polishing technology. It includes a bracket and a polishing mechanism. The polishing mechanism includes: a first driving member, a driving rod, a polishing rod, a connecting assembly, an adjusting assembly, a movable frame, a clamping assembly, a lifting assembly and a supporting assembly; the supporting assembly can provide preliminary support for the hydraulic cylinder and drive the hydraulic cylinder to perform lifting operations, so that the polishing rod can be extended into the inner side of the hydraulic cylinder; the hydraulic cylinder can be clamped and fixed by the clamping assembly, and the adjusting assembly can be driven to work during the clamping process, thereby further achieving full contact between the polishing rod and the inner wall of the hydraulic cylinder, facilitating the polishing operation; the driving rod can be controlled to rotate by the first driving member, thereby achieving the polishing operation of the polishing rod on the inner hole of the hydraulic cylinder; the lifting operation can enable the clamping assembly to drive the hydraulic cylinder to move in the vertical direction, thereby achieving the full polishing operation of the polishing rod on the inner hole of the hydraulic cylinder, thereby improving the polishing effect.

Description

Technical Field

[0001] The invention belongs to the technical field of polishing, and in particular relates to an inner hole polishing machine for processing a hydraulic cylinder. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines. The cylinder barrel of the hydraulic cylinder is a receiving barrel that provides the piston rod with reciprocating motion. The smoothness of the piston rod movement partly depends on the smoothness of the inner wall of the hydraulic cylinder barrel. Therefore, during the production or maintenance of the hydraulic cylinder barrel, the inner wall of the hydraulic cylinder barrel needs to be polished to ensure the smooth movement of the piston rod.

[0003] The existing hydraulic cylinder inner hole polishing machine is not convenient for adjusting the position of the polishing rod according to the diameter of the hydraulic cylinder inner hole during use, and it is not convenient to perform a comprehensive polishing operation on the inside of the hydraulic cylinder during the polishing process, which easily causes incomplete polishing of the hydraulic cylinder inner hole and affects the polishing effect.

[0004] In order to avoid the above technical problems, it is necessary to provide an inner hole polishing machine for hydraulic cylinder processing to overcome the above defects in the prior art. Summary of the Invention

[0005] The object of the present invention is to provide an inner hole polishing machine for hydraulic cylinder machining to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An inner hole polishing machine for hydraulic cylinder machining comprises a bracket and a polishing mechanism, wherein the polishing mechanism comprises:

[0008] The motor frame is fixedly mounted on the top of the bracket, a first driving member is fixedly mounted on the inner side of the motor frame, a driving rod is fixedly mounted on the output end of the first driving member, a fixing frame is fixedly mounted on the bottom end of the driving rod, polishing rods are provided on both sides of the fixing frame, a connecting assembly is installed between the polishing rod and the fixing frame, for supporting the polishing rod and enabling the polishing rod to change its position relative to the fixing frame, an adjusting assembly is installed between the driving rod and the bracket, the adjusting assembly is connected to the connecting assembly, for driving the connecting assembly to work, so that the distance between the polishing rod and the fixing frame changes;

[0009] A movable frame is provided on the inner side of the bracket, and a clamping assembly is installed on the movable frame for supporting the hydraulic cylinder and driving the adjustment assembly to work during the clamping process to make the polishing rod close to the inner wall of the hydraulic cylinder. A lifting assembly is installed between the movable frame and the bracket, and is used to drive the movable frame to drive the clamping assembly to move in the vertical direction. A supporting assembly is also installed on the inner side of the bracket for performing preliminary supporting operations on the hydraulic cylinder.

[0010] As a further technical solution of the present invention: the connection assembly includes:

[0011] The first rotating rod is installed on the fixed frame, and both ends of the first rotating rod are rotatably connected to the fixed frame. Connecting rods are fixedly installed on the outer sides of both ends of the rotating rod, and the second rotating rod is fixedly installed on the end of the connecting rod away from the first rotating rod. A connecting frame is installed on the second rotating rod, and the second rotating rod is rotatably connected to the connecting frame. There are two of the first rotating rod, the second rotating rod and the connecting frame, and they are divided into two groups and installed in parallel on the fixed frame. There are four connecting rods and they are divided into two groups and installed in parallel on the two first rotating rods. The two connecting frames are fixedly connected to the polishing rods. There are two of the connecting assemblies and the polishing rods, and they are divided into two groups and installed symmetrically on the fixed frame.

[0012] As a further technical solution of the present invention: the adjustment component includes:

[0013] A limiting groove is located in the middle of the driving rod, a movable plate is provided on the inner side of the limiting groove, racks are installed on both sides of the bottom end of the movable plate, a rotating tooth is fixedly installed on the middle of the first rotating rod, the rotating tooth is meshed with the rack, a limiting frame is fixedly installed on the top of the movable plate, the limiting frame is sleeved on the outer side of the driving rod, a rotating ring is installed on the outer side of the limiting frame, the rotating ring is rotatably connected to the limiting frame, and a fixed plate is fixedly installed on the outer side of the rotating ring;

[0014] A slide groove is provided at the top of the bracket, and a slider is provided inside the slide groove. The slider is slidably connected to the slide groove, and a first hinge seat is fixedly installed on the bottom side of the slider, and a second hinge seat is fixedly installed on the fixed plate. A long rod is installed between the first hinge seat and the second hinge seat, and both ends of the long rod are rotatably connected to the first hinge seat and the second hinge seat. A first elastic member is fixedly installed on the side of the slider close to the driving rod, and the first elastic member is located inside the slide groove.

[0015] As a further technical solution of the present invention: the clamping assembly includes:

[0016] The cam is fixedly mounted on the outside of the driving member, and the output end of the second driving member is fixedly mounted on the outer side of the driving member, and the output end of the second driving member is fixedly mounted on the outer side of the driving member, and the adjusting plate is fixedly mounted on the inner side of the driving member, and the adjusting plate is vertically connected to the sliding groove.

[0017] As a further technical solution of the present invention: the lifting assembly includes:

[0018] The first telescopic member is fixedly installed at the bottom end of the inner side of the bracket. The output end of the first telescopic member is fixedly connected to the bottom side of the movable frame. A positioning rod is fixedly installed on the top of the movable frame. A positioning hole is provided at the top of the bracket. The positioning rod passes through the positioning hole. The positioning rod is vertical.

[0019] As a further technical solution of the present invention: the support assembly includes:

[0020] The support plate is located on the inner side of the bracket and is horizontal. A second telescopic member is fixedly installed on the bottom end of the inner side of the bracket. The output end of the second telescopic member is fixedly connected to the middle part of the bottom end of the support plate. A vertical support rod is fixedly installed at the corner of the support plate. A support tube is sleeved on the outer side of the bottom end of the support rod. The support tube is fixedly installed on the bracket. Both the support rod and the support tube are vertical.

[0021] As a further technical solution of the present invention: the polishing rod is parallel to the driving rod and both are vertical, the polishing rod is semicircular in shape, and the driving rod passes through the top of the bracket and is rotatably connected to the bracket.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention provides an inner hole polishing machine for hydraulic cylinder processing, wherein the support assembly can provide preliminary support to the hydraulic cylinder and drive the hydraulic cylinder to perform lifting operations, so that the polishing rod can be extended into the inner side of the hydraulic cylinder; the hydraulic cylinder can be clamped and fixed by the clamping assembly, and the adjustment assembly can be driven to work during the clamping process, thereby further achieving full contact between the polishing rod and the inner wall of the hydraulic cylinder, facilitating the polishing operation; the driving rod can be controlled to rotate by the first driving member, thereby achieving the polishing operation of the polishing rod on the inner hole of the hydraulic cylinder; the lifting operation can realize that the clamping assembly drives the hydraulic cylinder to move in the vertical direction, thereby achieving the polishing operation of the polishing rod on the inner hole of the hydraulic cylinder, thereby improving the polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 Schematic diagram of the structure of the inner side of the bracket in the present invention.

[0026] Figure 3 It is a structural schematic diagram of the clamping assembly in the present invention.

[0027] Figure 4 It is a schematic diagram of the structure between the adjustment component and the driving rod in the present invention.

[0028] Figure 5 For the present invention Figure 4 Schematic diagram of the structure enlarged at point A in the middle.

[0029] Figure 6 It is a schematic diagram of the structure between the lifting assembly and the clamping assembly in the present invention.

[0030] Figure 7 It is a schematic diagram of the structure between the movable frame and the bracket in the present invention.

[0031] Figure 8 It is a schematic diagram of the structure between the driving rod and the polishing rod in the present invention.

[0032] Figure 9 It is a schematic diagram of the structure between the connecting component and the regulating component in the present invention.

[0033] In the accompanying drawings: 1- bracket, 2- motor frame, 3- first driving member, 4- driving rod, 5- connecting assembly, 51- first rotating rod, 52- connecting rod, 53- second rotating rod, 54- connecting frame, 6- adjusting assembly, 61- limiting groove, 62- moving plate, 63- rack, 64- rotating gear, 65- limiting frame, 66- rotating ring, 67- fixing plate, 68- slide groove, 69- slider, 60- first hinge seat, 601- second hinge seat, 602- long rod, 603- first elastic Parts, 7-clamping assembly, 71-second driving member, 72-rotating rod, 73-moving block, 74-support block, 75-limiting hole, 76-limiting rod, 77-clamping plate, 78-second elastic member, 79-baffle, 70-adjusting plate, 8-lifting assembly, 81-first telescopic member, 82-positioning hole, 83-positioning rod, 9-support assembly, 91-support plate, 92-support rod, 93-support cylinder, 94-second telescopic member, 10-fixed frame, 11-polishing rod, 12-moving frame. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0036] like Figures 1 to 9 As shown in the embodiment provided by the present invention, an internal hole polishing machine for hydraulic cylinder processing includes a bracket 1 and a polishing mechanism, and the polishing mechanism includes:

[0037] The motor frame 2 is fixedly mounted on the top of the bracket 1, and a first driving member 3 is fixedly mounted on the inside of the motor frame 2. A driving rod 4 is fixedly mounted on the output end of the first driving member 3, and a fixing frame 10 is fixedly mounted on the bottom end of the driving rod 4. Polishing rods 11 are provided on both sides of the fixing frame 10. A connecting assembly 5 is installed between the polishing rod 11 and the fixing frame 10, which is used to support the polishing rod 11 and enable the polishing rod 11 to change its position relative to the fixing frame 10. An adjusting assembly 6 is installed between the driving rod 4 and the bracket 1, and the adjusting assembly 6 is connected to the connecting assembly 5, which is used to drive the connecting assembly 5 to work, so that the distance between the polishing rod 11 and the fixing frame 10 changes;

[0038] A movable frame 12 is provided on the inner side of the bracket 1, and a clamping assembly 7 is installed on the movable frame 12 for supporting the hydraulic cylinder and driving the adjustment assembly 6 to work during the clamping process to make the polishing rod 11 close to the inner wall of the hydraulic cylinder. A lifting assembly 8 is installed between the movable frame 12 and the bracket 1, for driving the movable frame 12 to drive the clamping assembly 7 to move in the vertical direction. A support assembly 9 is also installed on the inner side of the bracket 1 for performing preliminary support operations on the hydraulic cylinder.

[0039] In this embodiment, the support assembly 9 can provide preliminary support for the hydraulic cylinder and drive the hydraulic cylinder to perform lifting operations, so that the polishing rod 11 can be extended into the inner side of the hydraulic cylinder. The hydraulic cylinder can be clamped and fixed by the clamping assembly 7, and the adjustment assembly 6 can be driven to work during the clamping process, further realizing that the polishing rod 11 is in full contact with the inner wall of the hydraulic cylinder, which is convenient for polishing operations. The driving rod 4 can be controlled to rotate by the first driving member 3 to realize the polishing operation of the polishing rod 11 on the inner hole of the hydraulic cylinder. The lifting operation can realize that the clamping assembly 7 drives the hydraulic cylinder to move in the vertical direction, realizing that the polishing rod 11 is in contact with the inner wall of the hydraulic cylinder. The hole is fully polished to improve the polishing effect; the polishing rod 11 is parallel to the driving rod 4 and both are vertical, the shape of the polishing rod 11 is semicircular, the driving rod 4 passes through the top of the bracket 1, and is rotatably connected to the bracket 1; the driving rod 4 is vertical, and a rolling bearing is installed between the driving rod 4 and the bracket 1. The first driving member 3 can be a rotary motor or a stepping motor, etc. In this embodiment, the first driving member 3 is a rotary motor. The first driving member 3 can realize the stable rotation of the driving rod 4 on the bracket 1, and further realize the rotation of the polishing rod 11, so that the polishing rod 11 can be convenient for the polishing operation of the inner hole of the hydraulic cylinder.

[0040] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 8 and Figure 9 , the connecting component 5 includes:

[0041] The first rotating rod 51 is installed on the fixed frame 10, and both ends of the first rotating rod 51 are rotatably connected to the fixed frame 10. Connecting rods 52 are fixedly installed on the outer sides of both ends of the rotating rod. A second rotating rod 53 is fixedly installed on the end of the connecting rod 52 away from the first rotating rod 51. A connecting frame 54 is installed on the second rotating rod 53, and the second rotating rod 53 is rotatably connected to the connecting frame 54. There are two of each of the first rotating rod 51, the second rotating rod 53 and the connecting frame 54, and they are divided into two groups and installed in parallel on the fixed frame 10. There are four of the connecting rods 52 and they are divided into two groups and installed in parallel on the two first rotating rods 51. The two connecting frames 54 are fixedly connected to the polishing rod 11. There are two of each of the connecting components 5 and the polishing rod 11, and they are divided into two groups and installed symmetrically on the fixed frame 10.

[0042] The adjustment component 6 includes:

[0043] A limiting groove 61 is located in the middle of the driving rod 4. A movable plate 62 is provided on the inner side of the limiting groove 61. Racks 63 are installed on both sides of the bottom end of the movable plate 62. A rotating tooth 64 is fixedly installed on the middle of the first rotating rod 51. The rotating tooth 64 is meshed with the rack 63. A limiting frame 65 is fixedly installed on the top of the movable plate 62. The limiting frame 65 is sleeved on the outer side of the driving rod 4. A rotating ring 66 is installed on the outer side of the limiting frame 65. The rotating ring 66 is rotatably connected to the limiting frame 65. A fixed plate 67 is fixedly installed on the outer side of the rotating ring 66.

[0044] A slide groove 68 is provided at the top of the bracket 1, and a slider 69 is provided on the inner side of the slide groove 68. The slider 69 is slidably connected to the slide groove 68. A first hinge seat 60 is fixedly installed on the bottom side of the slider 69, and a second hinge seat 601 is fixedly installed on the fixed plate 67. A long rod 602 is installed between the first hinge seat 60 and the second hinge seat 601. Both ends of the long rod 602 are rotatably connected to the first hinge seat 60 and the second hinge seat 601. A first elastic member 603 is fixedly installed on the side of the slider 69 close to the driving rod 4, and the first elastic member 603 is located on the inner side of the slide groove 68.

[0045] In this embodiment, the first rotating rod 51 is mounted on the fixing frame 10, and rolling bearings are installed between the two ends of the first rotating rod 51 and the fixing frame 10. The first rotating rod 51 can perform a stable rotation operation on the fixing frame 10. Connecting rods 52 are fixedly installed on the outer sides of both ends of the first rotating rod 51. The connecting rod 52 can rotate along with the first rotating rod 51. A second rotating rod 53 is fixedly installed on the end of the connecting rod 52 away from the first rotating rod 51. The first rotating rod 51 and the second rotating rod 53 are parallel and horizontal. Rolling bearings are installed between the second rotating rod 53 and the connecting frame 54. , the connecting frame 54 is fixedly connected to the polishing rod 11, the connecting rod 52 connects the first rotating rod 51 and the second rotating rod 53, the connecting rods 52 on the two first rotating rods 51 are parallel to each other, when the two first rotating rods 51 rotate at the same time, it is convenient to realize the rotation of the connecting rod 52, and the distance between the polishing rod 11 and the fixed frame 10 changes, which makes it convenient for the polishing rod 11 to approach the inner wall of the hydraulic cylinder. The fixed frame 10, the connecting rod 52 and the polishing rod 11 form a parallelogram. When the connecting rod 52 rotates, the polishing rod 11 is always vertical, which is convenient for contact with the inner wall of the hydraulic cylinder and facilitates subsequent polishing operations;

[0046] The bottom middle end of the driving rod 4 is provided with a limiting groove 61, and a movable plate 62 is provided inside the limiting groove 61. The movable plate 62 is vertical, and the movable plate 62 can move in the vertical direction inside the limiting groove 61. A rotating tooth 64 is fixedly installed in the middle of the first rotating rod 51, and racks 63 are fixedly installed on both sides of the bottom end of the movable plate 62. The rack 63 is meshed with the rotating tooth 64. When the rack 63 follows the movable plate 62 to move in the vertical direction, it is convenient to drive the rotating tooth 64 to drive the first rotating rod 51 to rotate, and further realize the connection The connecting rod 52 is rotated to adjust the distance between the polishing rod 11 and the fixed frame 10. A limit frame 65 is fixedly installed on the top of the movable plate 62. The limit frame 65 is sleeved on the outside of the driving rod 4. The limit frame 65 can drive the movable plate 62 to move its position. A rotating ring 66 is installed on the outside of the limit frame 65. A rolling bearing is installed between the limit frame 65 and the rotating ring 66. The limit frame 65 and the movable plate 62 can rotate with the driving rod 4. A fixed plate 67 is fixedly installed on the outside of the rotating ring 66. The fixed plate 67 is horizontal.

[0047] The top of the bracket 1 is provided with a linear slide 68, and the inner side of the slide 68 is provided with a slider 69, and the shape of the slider 69 is an I-shape. The slider 69 is slidably connected to the slide 68, and the slider 69 can move along the slide 68. The bottom side of the slider 69 is fixedly installed with a first hinge seat 60, and the second hinge seat 601 is fixedly installed on the fixed plate 67. A long rod 602 is installed between the first hinge seat 60 and the second hinge seat 601, and rolling bearings are installed between the two ends of the long rod 602 and the first hinge seat 60 and the second hinge seat 601. When the slider 69 moves along the inner side of the slide 68, the fixed plate 67 can drive the rotating ring 66, the limit frame 65 and the movable plate 62 to move through the first hinge seat 60, the second hinge seat 601 and the long rod 602. For vertical position movement, a first elastic member 603 is installed on the side of the slider 69 close to the driving rod 4. The first elastic member 603 is located on the inner side of the slide groove 68. The first elastic member 603 can be a spring or rubber, etc. In this embodiment, the first elastic member 603 is a spring, which is convenient for limiting the position of the slider 69 on the inner side of the slide groove 68; the slide groove 68, slider 69, first hinge seat 60, second hinge seat 601 and long rod 602 are each provided with two, and are symmetrically distributed on both sides of the driving rod 4. When the slider 69 contacts the clamping assembly 7, the clamping assembly 7 can realize the position movement of the slider 69 along the slide groove 68, and the rotating ring 66 drives the limit frame 65 and the movable plate 62 to move in the vertical direction, further realizing the polishing rod 11 close to the inner wall of the hydraulic cylinder, which is convenient for polishing operation.

[0048] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 and Figure 7 , the clamping assembly 7 includes:

[0049] The second driving member 71 is fixedly mounted on the middle part of the inner side of the moving frame 12. A rotating rod 72 is fixedly mounted on the output end of the second driving member 71. A moving block 73 is mounted on the outer side of the rotating rod 72. The moving block 73 is located on the inner side of the moving frame 12 and is slidably connected to the moving frame 12. The rotating rod 72 is threadedly connected to the moving block 73. A support block 74 is fixedly mounted on one end of the moving block 73 extending out of the moving frame 12. A limiting hole 75 is provided on the end of the supporting block 74 away from the moving block 73. A limiting rod 76 is provided on the side, and the limiting rod 76 is horizontal. A clamping plate 77 is fixedly installed on the end of the limiting rod 76 close to the driving rod 4. The clamping plate 77 is in the shape of an arc. A baffle 79 is fixedly installed on the end of the limiting rod 76 away from the clamping plate 77. A second elastic member 78 is sleeved on the outer side of the limiting rod 76. The second elastic member 78 is located between the support block 74 and the clamping plate 77. An adjustment plate 70 is fixedly installed on the top of the support block 74. The adjustment plate 70 is vertical and passes through the slide groove 68.

[0050] The lifting assembly 8 includes:

[0051] The first telescopic member 81 is fixedly mounted on the bottom inner end of the bracket 1. The output end of the first telescopic member 81 is fixedly connected to the bottom side of the movable frame 12. A positioning rod 83 is fixedly mounted on the top of the movable frame 12. A positioning hole 82 is provided on the top of the bracket 1. The positioning rod 83 passes through the positioning hole 82. The positioning rod 83 is vertical.

[0052] When the second driving member 71 controls the rotating rod 72 to rotate, it is convenient to realize that the moving block 73 moves along the inner side of the moving frame 12, and the moving block 73 extends out of the moving frame 12 and is fixedly mounted with a support block 74. The support frame is provided with a horizontal limiting hole 75, and a limiting rod 76 is provided inside the limiting hole 75, and the limiting rod 76 is close to the driving member 71. When the second driving member 71 controls the two rotating rods 72 to rotate simultaneously, it is convenient to realize that the two moving blocks 73 move relative to each other, and the two clamping plates 77 clamp the outer wall of the hydraulic cylinder.

[0053] The second driving member 71 controls the two rotating rods 72 to rotate, making it convenient for the clamping plate 77 to approach the outer wall of the hydraulic cylinder and clamp the hydraulic cylinder. When the support block 74 continues to move, the support block 74 can compress the second elastic member 78. At this time, the adjustment plate 70 on the support block 74 contacts the slider 69 and pushes the slider 69 to move along the slide groove 68, so that the rotating rod drives the limit frame 65 and the movable plate 62 to move downward, so that the polishing rod 11 approaches the inner wall of the hydraulic cylinder. When the polishing rod 11 contacts the inner wall of the hydraulic cylinder, the second driving member 71 stops working. At this time, the clamping plate 77 clamps the hydraulic cylinder, and the polishing rod 11 contacts the inner wall of the hydraulic cylinder. Then the first driving member 3 is turned on, so that the driving rod 4 drives the polishing rod 11 to rotate. , realizing the polishing operation of the polishing rod 11 on the inner wall of the hydraulic cylinder, which is easy to operate; a first telescopic member 81 is provided on the bottom side of the movable frame 12, and the first telescopic member 81 can be a telescopic motor or a cylinder, etc. In this embodiment, the first telescopic member 81 is a telescopic motor, and the movable frame 12 can be driven by the first telescopic member 81 to move in the vertical direction, and the clamping assembly 7 is further realized to drive the hydraulic cylinder to move in the vertical direction, so that the polishing rod 11 can perform a comprehensive polishing operation on the inner wall of the hydraulic cylinder. A vertical positioning rod 83 is fixedly installed on the top of the movable frame 12, and a positioning hole 82 is provided on the top of the bracket 1, and the positioning rod 83 passes through the positioning hole 82. The positioning rod 83 and the positioning hole 82 can ensure the stability of the movable frame 12 during movement, thereby improving the working effect.

[0054] In one embodiment of the present invention, see Figure 1 and Figure 2 , the support assembly 9 includes:

[0055] The support plate 91 is located on the inner side of the bracket 1 and is horizontal. A second telescopic member 94 is fixedly installed on the bottom end of the inner side of the bracket 1. The output end of the second telescopic member 94 is fixedly connected to the middle part of the bottom end of the support plate 91. A vertical support rod 92 is fixedly installed at the corner of the support plate 91. A support tube 93 is sleeved on the outer side of the bottom end of the support rod 92. The support tube 93 is fixedly installed on the bracket 1. Both the support rod 92 and the support tube 93 are vertical.

[0056] 93 , the support plate 91 is provided with a plurality of support rods 92 and 93, and the support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the plurality of support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the plurality of support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the plurality of support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the plurality of support rods 92 and 93 are provided with a plurality of support rods 92 and 93, and the plurality of support rods 92 and 93 are provided with a plurality of support rods

[0057] The working principle of the present invention is:

[0058] In the present invention, the hydraulic cylinder is first placed on the support plate 91, and then the second telescopic member 94 is controlled to drive the support plate 91 to drive the hydraulic cylinder to move upward. After reaching the clamping position, the second telescopic member 94 stops working, and then the second driving member 71 is controlled to realize that the clamping plate 77 is close to the outer wall of the hydraulic cylinder and clamps the hydraulic cylinder. While the moving block 73 continues to move, the support block 74 compresses the second elastic member 78. At this time, the adjustment block on the support block 74 contacts the slider 69 and pushes the slider 69 to move along the slide groove 68. At this time, the slider 69 compresses the first elastic member 603, and the rotating ring 66 can drive the limit frame 65 and the moving plate 62 downward through the first articulated seat 60, the second articulated seat 601 and the long rod 602. The first rotating rod 51 and the connecting rod 52 can be rotated by the rack 63 and the rotating tooth 64, so that the polishing rod 11 contacts the inner wall of the hydraulic cylinder. When the polishing rod 11 is in full contact with the inner wall of the hydraulic cylinder, the second driving member 71 stops working. At this time, the clamping plate 77 clamps and fixes the hydraulic cylinder, and the polishing rod 11 contacts the inner wall of the hydraulic cylinder. Then the first driving member 3 is controlled to work. At this time, the driving rod 4 drives the polishing rod 11 to rotate, so that the polishing rod 11 and the inner wall of the hydraulic cylinder are polished. By controlling the first telescopic member 81, the movable frame 12 can drive the clamping assembly 7 and the hydraulic cylinder to move vertically, so that the polishing rod 11 can fully polish the inner wall of the hydraulic cylinder. The operation is convenient and the polishing effect is effectively improved.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0060] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A hydraulic cylinder inner hole polishing machine, comprising a bracket (1) and a polishing mechanism, characterized in that: The polishing mechanism comprises: A motor frame (2) is fixedly mounted on the top of the bracket (1); a first driving member (3) is fixedly mounted on the inner side of the motor frame (2); a driving rod (4) is fixedly mounted on the output end of the first driving member (3); a fixing frame (10) is fixedly mounted on the bottom end of the driving rod (4); polishing rods (11) are provided on both sides of the fixing frame (10); a connecting assembly (5) is installed between the polishing rod (11) and the fixing frame (10) for supporting the polishing rod (11) and enabling the polishing rod (11) to change its position relative to the fixing frame (10); an adjusting assembly (6) is installed between the driving rod (4) and the bracket (1); the adjusting assembly (6) is connected to the connecting assembly (5) and is used to drive the connecting assembly (5) to work so that the distance between the polishing rod (11) and the fixing frame (10) changes; A moving frame (12) is provided on the inner side of the bracket (1), and a clamping assembly (7) is installed on the moving frame (12) for supporting the hydraulic cylinder and driving the adjustment assembly (6) to work during the clamping process so that the polishing rod (11) is close to the inner wall of the hydraulic cylinder. A lifting assembly (8) is installed between the moving frame (12) and the bracket (1) for driving the moving frame (12) to drive the clamping assembly (7) to move in the vertical direction. A supporting assembly (9) is also installed on the inner side of the bracket (1) for performing preliminary supporting operations on the hydraulic cylinder. The connecting component (5) comprises: A first rotating rod (51) is mounted on the fixed frame (10), and both ends of the first rotating rod (51) are rotatably connected to the fixed frame (10). Connecting rods (52) are fixedly mounted on the outer sides of both ends of the first rotating rod. A second rotating rod (53) is fixedly mounted on one end of the connecting rod (52) away from the first rotating rod (51). A connecting frame (54) is mounted on the second rotating rod (53). The second rotating rod (53) is rotatably connected to the connecting frame (54). Two of the first rotating rod (51), the second rotating rod (53) and the connecting frame (54) are provided, and are divided into two groups and installed in parallel on the fixed frame (10). Four of the connecting rods (52) are provided, and are divided into two groups and installed in parallel on the two first rotating rods (51). The two connecting frames (54) are fixedly connected to the polishing rods (11). Two of the connecting assembly (5) and the polishing rod (11) are provided, and are divided into two groups and symmetrically installed on the fixed frame (10). The regulating component (6) comprises: A limiting groove (61) is located in the middle of the driving rod (4), a movable plate (62) is provided on the inner side of the limiting groove (61), racks (63) are installed on both sides of the bottom end of the movable plate (62), a rotating tooth (64) is fixedly installed in the middle of the first rotating rod (51), the rotating tooth (64) is meshed with the rack (63), a limiting frame (65) is fixedly installed on the top of the movable plate (62), the limiting frame (65) is sleeved on the outside of the driving rod (4), a rotating ring (66) is installed on the outside of the limiting frame (65), the rotating ring (66) is rotatably connected to the limiting frame (65), and a fixed plate (67) is fixedly installed on the outside of the rotating ring (66); The top of the bracket (1) is provided with a slide groove (68), the inner side of the slide groove (68) is provided with a slider (69), the slider (69) is slidably connected to the slide groove (68), the bottom side of the slider (69) is fixedly installed with a first hinge seat (60), the fixed plate (67) is fixedly installed with a second hinge seat (601), a long rod (602) is installed between the first hinge seat (60) and the second hinge seat (601), both ends of the long rod (602) are rotatably connected to the first hinge seat (60) and the second hinge seat (601), the slider (69) is fixedly installed with a first elastic member (603) close to the driving rod (4), and the first elastic member (603) is located on the inner side of the slide groove (68).

2. The inner hole polishing machine for hydraulic cylinder processing according to claim 1, characterized in that: The clamping assembly (7) comprises: The second driving member (71) is fixedly mounted on the middle part of the inner side of the moving frame (12). A rotating rod (72) is fixedly mounted on the output end of the second driving member (71). A moving block (73) is mounted on the outer side of the rotating rod (72). The moving block (73) is located on the inner side of the moving frame (12) and is slidably connected to the moving frame (12). The rotating rod (72) is threadedly connected to the moving block (73). A supporting block (74) is fixedly mounted on one end of the moving block (73) extending out of the moving frame (12). A limiting hole (75) is provided on the end of the supporting block (74) away from the moving block (73). A limiting rod (76) is provided on the side, and the limiting rod (76) is horizontal. A clamping plate (77) is fixedly installed at one end of the limiting rod (76) close to the driving rod (4), and the shape of the clamping plate (77) is arc-shaped. A baffle (79) is fixedly installed at one end of the limiting rod (76) away from the clamping plate (77). A second elastic member (78) is sleeved on the outer side of the limiting rod (76), and the second elastic member (78) is located between the support block (74) and the clamping plate (77). An adjustment plate (70) is fixedly installed on the top of the support block (74), and the adjustment plate (70) is vertical and passes through the slide groove (68).

3. The inner hole polishing machine for hydraulic cylinder processing according to claim 1, characterized in that: The lifting assembly (8) comprises: A first telescopic member (81) is fixedly mounted on the bottom inner end of the bracket (1); an output end of the first telescopic member (81) is fixedly connected to the bottom side of the movable frame (12); a positioning rod (83) is fixedly mounted on the top end of the movable frame (12); a positioning hole (82) is provided on the top end of the bracket (1); the positioning rod (83) passes through the positioning hole (82); and the positioning rod (83) is vertical.

4. The inner hole polishing machine for hydraulic cylinder processing according to claim 3, characterized in that: The support assembly (9) comprises: The support plate (91) is located inside the bracket (1) and is horizontal. A second telescopic member (94) is fixedly installed at the bottom end of the inner side of the bracket (1). The output end of the second telescopic member (94) is fixedly connected to the middle part of the bottom end of the support plate (91). A vertical support rod (92) is fixedly installed at the corner of the support plate (91). A support tube (93) is sleeved on the outer side of the bottom end of the support rod (92). The support tube (93) is fixedly installed on the bracket (1). Both the support rod (92) and the support tube (93) are vertical.

5. The inner hole polishing machine for hydraulic cylinder processing according to claim 1, characterized in that: The polishing rod (11) is parallel to the driving rod (4) and both are vertical. The polishing rod (11) is semicircular in shape. The driving rod (4) passes through the top of the bracket (1) and is rotatably connected to the bracket (1).

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