Double-end grinding floating chuck device for crankshaft bearing position of cylindrical grinding machine
By designing a crankshaft bearing position double-head grinding floating chuck device for an outer cylindrical grinder, the problem that existing floating chucks need to be repositioned and clamped during processing is solved, and the double-head clamping and grinding of the crankshaft is realized, which improves the convenience of operation.
Patent Information
- Application Number
- CN202421125043.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-22
AI Technical Summary
When clamping, existing floating chucks generally only clamp and fix one end of the workpiece, resulting in repositioning and clamping when processing the other end of the workpiece is required, which is inconvenient to use.
A double-head grinding floating chuck device for crankshaft bearing position of outer cylindrical grinding machine is designed to clamp the bearing positions of both sides of the crankshaft through clamping discs and clamping members on both sides of the crankshaft, and to adjust the clamping distance by driving the motor and the bidirectional screw to achieve double-head grinding of the crankshaft.
The double-head clamping of the crankshaft is realized, the operation process is simplified, the need for repositioning and clamping is avoided, and the convenience and speed of processing is improved.
Smart Images
Figure CN222644203U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of floating chucks, in particular to a double-headed grinding floating chuck device for a crankshaft bearing position of an external cylindrical grinder. Background Art
[0002] The floating chuck is mainly used to clamp and fix the workpiece. The existing floating chuck is generally composed of a clamping mechanism for clamping and a driving mechanism for driving the chuck to clamp and release. When working, the clamping mechanism is controlled by the driving mechanism to clamp the workpiece, thereby ensuring the stability of the position of the workpiece during grinding.
[0003] However, when adopting the above method, the existing floating chuck generally clamps and fixes the corresponding end of the workpiece during clamping. Therefore, when the other end of the workpiece needs to be processed during processing, it needs to be repositioned and clamped, which is very inconvenient in actual use. Utility Model Content
[0004] The utility model aims to provide a double-head grinding floating chuck device for crankshaft bearings of an external cylindrical grinder, which can clamp two bearings of a crankshaft to be processed through a provided component, thereby realizing double-head grinding of the crankshaft, making it more convenient and quick in actual operation.
[0005] To achieve the above-mentioned purpose, the utility model provides a double-headed grinding floating chuck device for crankshaft bearings of an external cylindrical grinder, comprising a machining bed, a guide rail, a slider and a push cylinder, wherein the guide rail is fixedly mounted on one side of the machining bed, the slider is slidably arranged on the guide rail, the output end of the push cylinder is connected to the slider, the push cylinder is fixedly mounted on one side of the machining bed, and further comprises a clamping assembly;
[0006] The clamping assembly includes a mounting table, a rotating frame, a moving frame, a clamping disk, an adjusting member, a driving member and a clamping member; the mounting table is connected to the slider and is located on one side of the slider, the rotating frame is rotatably connected to the mounting table and is located on one side of the mounting table, the moving frame is slidably connected to the rotating frame and is located on one side of the rotating frame, the clamping disk is rotatably connected to the moving frame and is located on one side of the moving frame, the adjusting member is connected to the rotating frame, the driving member is connected to the clamping disk, and the clamping member is connected to the clamping disk.
[0007] Wherein, the adjusting component includes a rotating motor, a bidirectional screw and a driving component, the output shaft of the rotating motor is connected to the rotating frame, and the rotating motor is fixedly installed on one side of the mounting platform; the bidirectional screw is connected to the movable frame and rotatably installed on one side of the rotating frame; the driving component is connected to the bidirectional screw.
[0008] Wherein, the driving component includes a connecting gear ring, a driving gear and a driving motor, the connecting gear ring is fixedly connected to the clamping plate and is sleeved on the clamping plate; the driving gear is meshed with the connecting gear ring and is rotatably installed on one side of the mobile frame; the output shaft of the driving motor is connected to the driving gear, and the driving motor is fixedly installed on one side of the mobile frame.
[0009] Among them, the driving component includes a sleeve gear, a driving gear and a driving motor, the sleeve gear is fixedly connected to the bidirectional screw and sleeved on the bidirectional screw; the driving gear is meshed with the sleeve gear and is rotatably installed on one side of the rotating frame; the output shaft of the driving motor is connected to the driving gear, and the driving motor is fixedly installed on one side of the rotating frame.
[0010] Wherein, the clamping member includes a clamping cylinder and a clamping block, wherein the clamping cylinder is fixedly connected to the clamping disk and is located on one side of the clamping disk; the clamping block is connected to the output end of the clamping cylinder and is located on one side of the clamping cylinder.
[0011] The double-headed grinding floating chuck device for the crankshaft bearing position of the external cylindrical grinder of the utility model clamps the bearing positions on both sides of the crankshaft through the clamping plates provided on the movable frames on both sides and the clamping members installed on the clamping plates. Before clamping and fixing, the user can first drive the driving gear through the driving motor, and then drive the sleeve gear and the bidirectional lead screw to rotate through the driving gear, and then drive the movable frames on both sides to move together or expand at the same time through the rotation of the bidirectional lead screw, so as to adjust the clamping distance between the two movable frames and the clamping plates on both sides according to the crankshafts of different sizes. After adjustment, the slider can be directly driven by the pushing cylinder to complete the feeding of the workpiece, and the clamping plate is rotationally driven by the driving motor in cooperation with the driving gear and the connecting gear ring to complete the outer ring grinding of the crankshaft. After the grinding of one end of the crankshaft is completed, the user can directly drive the rotating frame to rotate through the rotating motor, so that the other end of the crankshaft can directly cooperate with the grinding equipment, thereby realizing the ability to clamp the two bearing positions of the crankshaft to be processed through the provided components, thereby realizing double-head grinding of the crankshaft, making it more convenient and quick in actual operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0013] Figure 1 It is a schematic diagram of the overall structure of a double-headed grinding floating chuck device for a crankshaft bearing position of a cylindrical grinder according to the first embodiment of the utility model.
[0014] Figure 2 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.
[0015] Figure 3 It is a schematic diagram of the installation structure of the rotating electrical machine of the first embodiment of the utility model.
[0016] Figure 4 It is a schematic diagram of the overall structure of a double-headed grinding floating chuck device for a crankshaft bearing position of a cylindrical grinder according to a second embodiment of the utility model.
[0017] In the figure: 101-processing bed, 102-guide rail, 103-slider, 104-pushing cylinder, 105-mounting table, 106-rotating frame, 107-moving frame, 108-clamping plate, 109-rotating motor, 110-bidirectional screw rod, 111-connecting gear ring, 112-driving gear, 113-driving motor, 114-sleeved gear, 115-driving gear, 116-driving motor, 201-clamping cylinder, 202-clamping block. 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] The first embodiment of the present application is:
[0020] See also Figures 1 to 3 ,in Figure 1 This is a schematic diagram of the overall structure of the double-headed grinding floating chuck device for the crankshaft bearing position of the external cylindrical grinder. Figure 2 It is a schematic diagram of the structure of the driving components. Figure 3 It is a schematic diagram of the installation structure of a rotating motor.
[0021] The utility model provides a double-headed floating chuck device for grinding crankshaft bearings of a cylindrical grinder, comprising a machining bed 101, a guide rail 102, a slider 103, a push cylinder 104 and a clamping assembly, wherein the clamping assembly comprises a mounting table 105, a rotating frame 106, a moving frame 107, a clamping disc 108, an adjusting component, a driving component and a clamping component, wherein the adjusting component comprises a rotating motor 109, a bidirectional screw rod 110 and a driving component, wherein the driving component comprises a connecting gear ring 111, a driving gear 112 and a driving motor 113, and wherein the driving component comprises a sleeve gear 114, a driving gear 115 and a driving motor 116. The above-mentioned scheme solves the problem that the existing floating chuck generally clamps and fixes the corresponding end of the workpiece during clamping, and therefore needs to reposition and clamp when the other end of the workpiece needs to be processed during machining, resulting in great inconvenience in actual use.
[0022] In this embodiment, the guide rail 102 is fixedly installed on one side of the processing bed 101, the slider 103 is slidably set on the guide rail 102, the output end of the pushing cylinder 104 is connected to the slider 103, the pushing cylinder 104 is fixedly installed on one side of the processing bed 101, and guide grooves matching the guide rail 102 are provided on both sides of the slider 103, so that the slider 103 can slide accordingly in cooperation with the guide rail 102, and the side of the slider 103 is fixed to the output end of the sliding cylinder, so that the user can drive the slider 103 to slide through the pushing cylinder 104.
[0023] The mounting platform 105 is connected to the slider 103 and is located on one side of the slider 103; the rotating frame 106 is rotatably connected to the mounting platform 105 and is located on one side of the mounting platform 105; the moving frame 107 is slidably connected to the rotating frame 106 and is located on one side of the rotating frame 106; the clamping plate 108 is rotatably connected to the moving frame 107 and is located on one side of the moving frame 107; the adjusting member is connected to the rotating frame 106; the driving member is connected to the clamping plate 108; the clamping member is connected to the clamping plate 108; the mounting platform 105 matches the clamping platform provided on the top of the slider 103; The side of the mounting table 105 and the side of the clamping table of the slider 103 are provided with through holes and threaded holes for bolt installation, so that the user can directly fix the mounting table 105 on the slider 103 by bolts, and the rotating frame 106 is rotatably installed on the mounting table 105, and two movable frames 107 are slidably installed on the rotating frame 106, and the clamping plates 108 are rotatably installed on the two movable frames 107, so that the user can adjust the clamping positions on both sides by moving the two movable frames 107 on the rotating frame 106, and then adjust the angle of the crankshaft workpiece after clamping by rotating the rotating frame 106.
[0024] Secondly, the output shaft of the rotating motor 109 is connected to the rotating frame 106, and the rotating motor 109 is fixedly mounted on one side of the mounting platform 105; the bidirectional screw rod 110 is connected to the mobile frame 107 and is rotatably mounted on one side of the rotating frame 106; the driving component is connected to the bidirectional screw rod 110, and the output shaft of the rotating motor 109 is connected to the rotating frame 106, and the rotating motor 109 is fixedly mounted on one side of the mounting platform 105; the bidirectional screw rod 110 is connected to the mobile frame 107 and is rotatably mounted on one side of the rotating frame 106; the driving component is connected to the bidirectional screw rod 110, and the output shaft of the rotating motor 109 is connected to the rotating frame 106, and the rotating motor 109 is fixedly mounted on one side of the mounting platform 105. 10 is provided with opposite threads on both sides, and the two movable frames 107 are symmetrically installed on both sides of the bidirectional screw rod 110. The middle end of the bidirectional screw rod 110 is fixedly sleeved with the sleeve gear 114, and the sleeve gear 114 is meshed with the driving gear 115 rotatably installed on the boss of the rotating frame 106. The driving gear 115 is fixed to the output shaft of the driving motor 116, so that the user can directly drive the driving gear 115 to rotate through the driving motor 116, and then rotate the sleeve gear 114 and the bidirectional screw rod 110 through the driving gear 115, and then drive the movable frames 107 on both sides to move closer or spread out to each other through the bidirectional screw rod 110, so as to adjust the entire clamping distance.
[0025] At the same time, the connecting gear ring 111 is fixedly connected to the clamping disk 108 and is sleeved on the clamping disk 108; the driving gear 112 is meshed with the connecting gear ring 111 and is rotatably installed on one side of the moving frame 107; the output shaft of the driving motor 113 is connected to the driving gear 112, the driving motor 113 is fixedly installed on one side of the moving frame 107, the connecting gear ring 111 is fixedly sleeved on the outside of the clamping disk 108, the driving gear 112 is rotatably arranged on one side of the moving frame 107, and at the same time, the driving gear 112 is meshed with the connecting gear ring 111, and the driving gear 112 is fixed to the output shaft of the driving motor 113, so that the user can drive the driving gear 112 through the driving motor 113, and then drive the connecting gear ring 111 and the clamping disk 108 to rotate through the driving gear 112, so as to facilitate the rotational drive of the clamped crankshaft workpiece.
[0026] When the double-head grinding floating chuck device for the crankshaft bearing position of an external cylindrical grinder of the present embodiment is in use, the bearing positions on both sides of the crankshaft are clamped by the clamping plates 108 provided on the movable frames 107 on both sides and the clamping members installed on the clamping plates 108. Before clamping and fixing, the user can first drive the driving gear 115 through the driving motor 116, and then drive the sleeve gear 114 and the bidirectional screw rod 110 to rotate through the driving gear 115, and then drive the movable frames 107 on both sides to move together or expand at the same time through the rotation of the bidirectional screw rod 110, so as to facilitate the two movable frames 107 and the clamping members on both sides to be adjusted according to the crankshafts of different sizes. The clamping spacing of the disk 108 is adjusted, and then the slider 103 can be directly driven by the pushing cylinder 104 to complete the feeding of the workpiece. At the same time, the clamping disk 108 is driven to rotate by the driving motor 113 in cooperation with the driving gear 112 and the connecting gear ring 111, so as to complete the outer ring grinding of the crankshaft. After the grinding of one end of the crankshaft is completed, the user can directly drive the rotating frame 106 to rotate through the rotating motor 109, so that the other end of the crankshaft can directly cooperate with the grinding equipment, thereby realizing the ability to clamp the two bearing positions of the crankshaft to be processed through the provided components, thereby realizing double-head grinding of the crankshaft, making it more convenient and quick in actual operation.
[0027] Second embodiment:
[0028] See also Figure 4 , Figure 4 It is a schematic diagram of the overall structure of a double-headed grinding floating chuck device for a crankshaft bearing of a cylindrical grinder according to a second embodiment. The clamping member provided by the utility model includes a clamping cylinder 201 and a clamping block 202 .
[0029] Among them, the clamping cylinder 201 is fixedly connected to the clamping disk 108 and is located on one side of the clamping disk 108; the clamping block 202 is connected to the output end of the clamping cylinder 201 and is located on one side of the clamping cylinder 201, and two clamping cylinders 201 are fixedly installed on each of the clamping disks 108. The two clamping cylinders 201 provided on each of the clamping disks 108 are synchronously driven through a corresponding synchronization mechanism, and the clamping block 202 is fixedly provided on the output end of each of the clamping cylinders 201, so that the user can directly drive the clamping cylinder 201 through the provided control mechanism, and then drive the clamping block 202 to clamp and fix the bearing position of the crankshaft.
[0030] When using the double-head grinding floating chuck device for the crankshaft bearing position of an external cylindrical grinder of this embodiment, the crankshaft bearing position can be clamped and fixed by the two groups of clamping cylinders 201 provided on the clamping plate 108 in cooperation with the clamping block 202 at the output end of the clamping cylinder 201, thereby ensuring the stability of the bearing during processing and greatly enhancing the practicality of the entire device.
[0031] 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 double-headed grinding floating chuck device for crankshaft bearings of an external cylindrical grinder, comprising a machining bed, a guide rail, a slider and a push cylinder, wherein the guide rail is fixedly mounted on one side of the machining bed, the slider is slidably arranged on the guide rail, the output end of the push cylinder is connected to the slider, and the push cylinder is fixedly mounted on one side of the machining bed, characterized in that: Also included is a clamping assembly; The clamping assembly includes a mounting table, a rotating frame, a moving frame, a clamping disk, an adjusting member, a driving member and a clamping member; the mounting table is connected to the slider and is located on one side of the slider, the rotating frame is rotatably connected to the mounting table and is located on one side of the mounting table, the moving frame is slidably connected to the rotating frame and is located on one side of the rotating frame, the clamping disk is rotatably connected to the moving frame and is located on one side of the moving frame, the adjusting member is connected to the rotating frame, the driving member is connected to the clamping disk, and the clamping member is connected to the clamping disk.
2. The double-headed grinding floating chuck device for crankshaft bearings of a cylindrical grinder according to claim 1, characterized in that: The adjusting component includes a rotating motor, a bidirectional screw and a driving component. The output shaft of the rotating motor is connected to the rotating frame, and the rotating motor is fixedly installed on one side of the mounting platform; the bidirectional screw is connected to the moving frame and is rotatably installed on one side of the rotating frame; the driving component is connected to the bidirectional screw.
3. The double-headed grinding floating chuck device for crankshaft bearings of a cylindrical grinder according to claim 1, characterized in that: The driving component includes a connecting gear ring, a driving gear and a driving motor. The connecting gear ring is fixedly connected to the clamping disk and is sleeved on the clamping disk; the driving gear is meshed with the connecting gear ring and is rotatably installed on one side of the moving frame; the output shaft of the driving motor is connected to the driving gear, and the driving motor is fixedly installed on one side of the moving frame.
4. The double-headed grinding floating chuck device for crankshaft bearings of a cylindrical grinder according to claim 2, characterized in that: The driving component includes a sleeve gear, a driving gear and a driving motor. The sleeve gear is fixedly connected to the bidirectional screw and sleeved on the bidirectional screw. The driving gear is meshed with the sleeve gear and is rotatably installed on one side of the rotating frame. The output shaft of the driving motor is connected to the driving gear, and the driving motor is fixedly installed on one side of the rotating frame.
5. The double-headed grinding floating chuck device for crankshaft bearings of a cylindrical grinder according to claim 1, characterized in that: The clamping member comprises a clamping cylinder and a clamping block. The clamping cylinder is fixedly connected to the clamping disk and is located on one side of the clamping disk; the clamping block is connected to the output end of the clamping cylinder and is located on one side of the clamping cylinder.