Positioning device for cylinder honing machining

Abstract

The utility model relates to the technical field of engine production, in particular to a positioning device for honing a cylinder body, which comprises a bottom plate, a moving mechanism and two fixing mechanisms, the moving mechanism is arranged below the bottom plate, and the two fixing mechanisms are respectively arranged on two sides of the moving mechanism. Each fixing mechanism comprises a sliding plate, a disc, a plurality of balls and two supporting assemblies, the sliding plate is arranged at one end of the bottom plate, the disc is rotationally connected with the sliding plate and located on one side of the sliding plate, the balls are rotationally connected with the disc and evenly arranged on the surface of the disc, and the two supporting assemblies are arranged below the disc. The problem that in the prior art, after a cylinder body is placed on four rubber wheels and the two ends of the cylinder body are fixed through a rotary disc, it cannot be determined that the circle center of the cylinder body and the rotary disc are located on the same horizontal line, and consequently the cylinder body collides with the four rubber wheels easily when the rotary disc rotates is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine production, in particular to a positioning device for cylinder body honing processing. Background Art

[0002] Honing is a finishing process of the finished surface using an oilstone (also called a honing bar) embedded in a honing head. The contact area between honing and the hole surface is large, and the processing efficiency is high. When the engine cylinder block is produced, the cylinder block needs to be honed. During honing, the cylinder block needs to be fixed by a positioning device. However, in the prior art, after the positioning device fixes the cylinder block, the cylinder block cannot be rotated. After honing one side of the cylinder block, it is difficult to turn it over to hone the other side, resulting in low honing efficiency.

[0003] In the prior art, the patent (CN211517148U) mentions a positioning device for cylinder honing, including a base, two mounting grooves are symmetrically provided on the top of the base, the same threaded rod is rotatably installed in the two mounting grooves, a first motor is fixedly installed on one side of the base, one end of the threaded rod extends outside the mounting groove and is fixedly connected to the output shaft of the first motor, two mounting blocks are symmetrically threadedly installed on the threaded rod, the two mounting blocks are respectively slidably connected to the inner walls of the two mounting grooves, a mounting plate is fixedly installed on the top of the mounting block, a rotating shaft is rotatably installed on the mounting plate, a turntable is fixedly installed at one end of the two rotating shafts close to each other, and two rubber wheels are arranged under each turntable. This prior art is simple to operate and highly practical, and can fix the cylinder body, and can be turned over after fixing, so as to facilitate honing of each surface of the cylinder body and improve the honing efficiency.

[0004] However, in the above-mentioned prior art, the cylinder is placed on four rubber wheels. After the turntable fixes the two ends of the cylinder, it is impossible to ensure that the center of the cylinder and the turntable are on the same horizontal line, resulting in the cylinder easily colliding with the four rubber wheels when the turntable rotates. Utility Model Content

[0005] The utility model aims to provide a positioning device for cylinder honing processing, which solves the problem in the prior art that the cylinder is placed on four rubber wheels, and after the turntable fixes the two ends of the cylinder, it is impossible to determine whether the center of the cylinder and the turntable are on the same horizontal line, resulting in the cylinder easily colliding with the four rubber wheels when the turntable rotates.

[0006] To achieve the above-mentioned purpose, the utility model provides a positioning device for cylinder honing processing, including a base plate, a moving mechanism and two fixing mechanisms, the moving mechanism is arranged below the base plate, the two fixing mechanisms are respectively arranged on both sides of the moving mechanism, each of the fixing mechanisms includes a sliding plate, a disc, a plurality of ball bearings and two supporting assemblies, the sliding plate is arranged at one end of the base plate, the disc is rotatably connected to the sliding plate and is located on one side of the sliding plate, the plurality of ball bearings are rotatably connected to the disc and are evenly arranged on the surface of the disc, and the two supporting assemblies are arranged below the disc.

[0007] Wherein, each of the supporting assemblies comprises a connecting rod, a rotating shaft and a rotating wheel, the connecting rod is fixedly connected to the sliding plate and is located below the disc, the rotating shaft is fixedly connected to the connecting rod and is located on one side of the connecting rod, and the rotating wheel is rotatably connected to the rotating shaft and is sleeved on the surface of the rotating shaft.

[0008] Among them, the moving mechanism includes a screw and a first motor, the screw is rotatably connected to the base plate and is located on the surface of the base plate, the two sliding plates are threadedly connected to the screw and are sleeved on the surface of the screw, the first motor is fixedly connected to the base plate and is located on one side of the base plate, and the output end of the first motor is threadedly connected to the screw.

[0009] Wherein, the positioning device for cylinder honing processing also includes a driving component, and the driving component is arranged on one side of the base plate.

[0010] Wherein, the driving assembly includes a fixed frame, a hydraulic cylinder, a second motor, a fixed block and a driving disk, the fixed frame is fixedly connected to the base plate and is located on one side of the base plate, the hydraulic cylinder is fixedly connected to the fixed frame and is located above the fixed frame, the fixed block is fixedly connected to the output end of the hydraulic cylinder and is located below the hydraulic cylinder, the second motor is fixedly connected to the fixed block and is located on one side of the fixed block, and the driving disk is fixedly connected to the output end of the second motor and is located on one side of the fixed block.

[0011] The utility model discloses a positioning device for cylinder honing processing, wherein the sliding plate is arranged at one end of the base plate, the disc is rotatably connected to the sliding plate and is located at one side of the sliding plate, a plurality of ball bearings are rotatably connected to the disc and are evenly arranged on the surface of the disc, two supporting assemblies are arranged below the disc, the cylinder body is placed on the two supporting assemblies, the moving mechanism drives the two sliding plates to move inwardly so that the two discs clamp the cylinder body, and when the cylinder body rotates, a plurality of ball bearings in contact with the cylinder body rotate accordingly, and cylinder bodies of different diameters can be fixed, which improves the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is a top view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 1 Schematic diagram of the structure at point A.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] 101-bottom plate, 102-sliding plate, 103-disc, 104-ball, 105-connecting rod, 106-rotating shaft, 107-rotating wheel, 108-screw, 109-first motor, 201-fixed frame, 202-hydraulic cylinder, 203-second motor, 204-fixed block, 205-driving disk. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] First embodiment:

[0020] See also Figure 1 to Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a top view of the first embodiment of the utility model, Figure 3 The utility model Figure 1 Schematic diagram of the structure at point A.

[0021] The utility model provides a positioning device for cylinder honing processing, comprising a base plate 101, a moving mechanism and two fixing mechanisms, each of the fixing mechanisms comprising a sliding plate 102, a disc 103, a plurality of ball bearings 104 and two supporting assemblies, each of the supporting assemblies comprising a connecting rod 105, a rotating shaft 106 and a rotating wheel 107, the moving mechanism comprising a screw rod 108 and a first motor 109, and the above-mentioned scheme solves the problem of the prior art that the cylinder body is placed on four rubber wheels, and after the turntable fixes the two ends of the cylinder body, it is impossible to determine whether the center of the cylinder body and the turntable are on the same horizontal line, resulting in the cylinder body being easily collided with the four rubber wheels when the turntable rotates.

[0022] According to this specific embodiment, the sliding plate 102 is arranged at one end of the base plate 101, the disc 103 is rotatably connected to the sliding plate 102 and is located on one side of the sliding plate 102, a plurality of the balls 104 are rotatably connected to the disc 103 and are evenly arranged on the surface of the disc 103, two supporting assemblies are arranged below the disc 103, and the cylinder body is placed on the two supporting assemblies, and the moving mechanism drives the two sliding plates 102 to move inward, so that the two discs 103 clamp the cylinder body, and the plurality of balls 104 in contact with the cylinder body rotate accordingly during rotation, and cylinder bodies of different diameters can be fixed, which improves the practicality of the utility model.

[0023] Among them, the connecting rod 105 is fixedly connected to the sliding plate 102 and is located below the disc 103. The rotating shaft 106 is fixedly connected to the connecting rod 105 and is located on one side of the connecting rod 105. The rotating wheel 107 is rotatably connected to the rotating shaft 106 and is sleeved on the surface of the rotating shaft 106. The cylinder body is placed on the rotating wheel 107. The four rotating wheels 107 are respectively supported on both sides of the bottom of the cylinder body. When the cylinder body rotates, the four rotating wheels 107 rotate accordingly to improve stability.

[0024] Secondly, the screw rod 108 is rotatably connected to the base plate 101 and is located on the surface of the base plate 101. The two sliding plates 102 are threadedly connected to the screw rod 108 and are sleeved on the surface of the screw rod 108. The first motor 109 is fixedly connected to the base plate 101 and is located on one side of the base plate 101. The output end of the first motor 109 is threadedly connected to the screw rod 108. The first motor 109 drives the screw rod 108 to rotate. The threads on both sides of the screw rod 108 are set in opposite directions. Under the restriction of the base plate 101, the two sliding plates 102 move inward, and the two discs 103 clamp the cylinder body.

[0025] When the utility model is used, the cylinder body is placed on the four rotating wheels 107, the first motor 109 drives the screw rod 108 to rotate, the threads on both sides of the screw rod 108 are arranged in opposite directions, and under the restriction of the bottom plate 101, the two sliding plates 102 move inward, and the two discs 103 clamp the cylinder body. When rotating, a plurality of balls 104 in contact with the cylinder body rotate accordingly, and the cylinder bodies of different diameters can be fixed, which improves the practicality of the utility model.

[0026] Second embodiment:

[0027] See also Figure 4 , Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0028] On the basis of the first embodiment, the utility model provides a positioning device for cylinder honing processing, which also includes a driving assembly, wherein the driving assembly includes a fixed frame 201, a hydraulic cylinder 202, a second motor 203, a fixed block 204 and a driving disk 205. Through the arrangement of the above structure, when the cylinder body is polished, the cylinder body is driven to rotate, thereby improving the processing efficiency.

[0029] According to this specific embodiment, the driving assembly is arranged on one side of the base plate 101, and the driving assembly is arranged above the cylinder body to fix the cylinder body and drive the cylinder body to rotate, so as to facilitate processing.

[0030] Among them, the fixed frame 201 is fixedly connected to the base plate 101 and is located on one side of the base plate 101, the hydraulic cylinder 202 is fixedly connected to the fixed frame 201 and is located above the fixed frame 201, the fixed block 204 is fixedly connected to the output end of the hydraulic cylinder 202 and is located below the hydraulic cylinder 202, the second motor 203 is fixedly connected to the fixed block 204 and is located on one side of the fixed block 204, the driving disk 205 is fixedly connected to the output end of the second motor 203 and is located on one side of the fixed block 204, the hydraulic cylinder 202 drives the fixed block 204 to move downward, so that the driving disk 205 contacts the cylinder body to fix the cylinder body, and the second motor 203 drives the driving disk 205 to rotate, thereby driving the cylinder body to rotate, which is convenient for processing.

[0031] When the utility model is used, the cylinder body is placed on the four rotating wheels 107, the first motor 109 drives the screw rod 108 to rotate, the threads on both sides of the screw rod 108 are arranged in opposite directions, and under the restriction of the bottom plate 101, the two sliding plates 102 move inward, the two discs 103 clamp the cylinder body, and the hydraulic cylinder 202 drives the fixing block 204 to move downward, so that the driving disc 205 contacts the cylinder body to fix the cylinder body, and the second motor 203 drives the driving disc 205 to rotate, thereby driving the cylinder body to rotate, and the plurality of balls 104 contacted by the cylinder body rotate accordingly, thereby improving stability.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A positioning device for cylinder honing, comprising a base plate, characterized in that: It also includes a moving mechanism and two fixing mechanisms, wherein the moving mechanism is arranged below the base plate, and the two fixing mechanisms are respectively arranged on both sides of the moving mechanism, each of the fixing mechanisms includes a sliding plate, a disc, a plurality of ball bearings and two supporting assemblies, the sliding plate is arranged at one end of the base plate, the disc is rotatably connected to the sliding plate and is located on one side of the sliding plate, a plurality of ball bearings are rotatably connected to the disc and are evenly arranged on the surface of the disc, and the two supporting assemblies are arranged below the disc.

2. The positioning device for cylinder honing according to claim 1, characterized in that: Each of the supporting assemblies comprises a connecting rod, a rotating shaft and a rotating wheel. The connecting rod is fixedly connected to the sliding plate and is located below the disc. The rotating shaft is fixedly connected to the connecting rod and is located on one side of the connecting rod. The rotating wheel is rotatably connected to the rotating shaft and is sleeved on the surface of the rotating shaft.

3. The positioning device for cylinder honing according to claim 2, characterized in that: The moving mechanism includes a screw and a first motor. The screw is rotatably connected to the base plate and is located on the surface of the base plate. The two sliding plates are threadedly connected to the screw and sleeved on the surface of the screw. The first motor is fixedly connected to the base plate and is located on one side of the base plate. The output end of the first motor is threadedly connected to the screw.

4. The positioning device for cylinder honing according to claim 3, characterized in that: The positioning device for cylinder honing processing also includes a driving component, and the driving component is arranged on one side of the base plate.

5. The positioning device for cylinder honing according to claim 4, characterized in that: The driving assembly includes a fixed frame, a hydraulic cylinder, a second motor, a fixed block and a driving disk. The fixed frame is fixedly connected to the base plate and is located on one side of the base plate. The hydraulic cylinder is fixedly connected to the fixed frame and is located above the fixed frame. The fixed block is fixedly connected to the output end of the hydraulic cylinder and is located below the hydraulic cylinder. The second motor is fixedly connected to the fixed block and is located on one side of the fixed block. The driving disk is fixedly connected to the output end of the second motor and is located on one side of the fixed block.

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