Tool for bearing machining
By designing a bearing machining fixture that includes a worktable, a support, and rotating parts, the composite motion and precise indexing of the workpiece in three axes were realized, solving the problem of low efficiency in traditional bearing machining and improving machining accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional bearing processing fixtures are inefficient, require multiple disassemblies of the workpiece to complete different processing surfaces, and automated equipment has a complex structure and is difficult to maintain.
Design a bearing machining fixture comprising a worktable, a sliding support, a rotating component, a drive mechanism, a contact component, a sliding mechanism, and a grinding mechanism to achieve composite motion of the workpiece in the X/Y/Z axes. By combining the snap-fit function of the rotating component and the uniform clamping of the grippers, machining accuracy and efficiency are improved.
By using the sliding mechanism of the bracket and the precise indexing of the rotating parts, the processing time for the outer bottom window is shortened, the vibration amplitude is reduced, and the processing accuracy and efficiency are improved.
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Figure CN224102691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing shell polishing technical field, and more specifically, it relates to a bearing processing frock. BACKGROUND
[0002] As the core component of mechanical transmission system, the machining precision of bearing directly affects the equipment running life and stability.
[0003] The conventional bearing processing frock generally adopts fixed clamp and manual positioning mode. In the conventional frock, the workpiece is usually placed in the fixed clamp manually, and lacks dynamic adjustment mechanism. The existing equipment often needs to disassemble the workpiece several times to complete different machining surface treatment. For example, in the bearing outer bottom window processing, after completing a pair of windows, the workpiece needs to be rotated manually by 60° and repositioned, and this process takes more than 40% of the whole processing cycle. Some automated equipment attempts to realize rotation through a dividing disc, but has the problems of complex structure and high maintenance level.
[0004] Therefore, it is necessary to design a bearing processing frock which is convenient to use and has high processing efficiency. UTILITY MODEL CONTENTS
[0005] The main purpose of the utility model is to provide a bearing processing frock, which aims to solve the problem of low processing efficiency of bearing shell window in the prior art.
[0006] In order to solve the above technical problems, a bearing processing frock is provided, which comprises: a workbench, which is horizontally arranged;
[0007] A support is slidably arranged on the workbench;
[0008] A rotating member is arranged on the support, and the rotating member is used for clamping the workpiece;
[0009] A first driving mechanism is connected with the support and used for driving the support to slide;
[0010] An abutting member is arranged in the sliding direction of the support and used for abutting the workpiece;
[0011] A sliding mechanism is vertically arranged on the workbench;
[0012] A polishing mechanism is arranged on the sliding mechanism and used for polishing the workpiece, and the sliding mechanism is used for adjusting the position of the polishing mechanism.
[0013] In any of the above technical solutions, further comprising:
[0014] A rotating mechanism is connected with the rotating member and used for driving the rotating member to rotate.
[0015] In any of the above technical solutions, further comprising:
[0016] A sliding member, the rotating member is provided with a through hole, and the sliding member is slidably arranged at the through hole;
[0017] At least two clamping jaws, the clamping jaws are symmetrically hinged to the rotating member, and the clamping jaws are used for abutting against the inner side surface of the workpiece;
[0018] At least two reset springs, each corresponding to a clamping jaw, are arranged to drive the clamping jaw to rotate;
[0019] The through hole of the rotating member is provided with a receiving groove near one side of the abutting member, and the receiving groove is used for abutting against the clamping jaw;
[0020] A second driving mechanism connected with the sliding member is used to drive the sliding member to slide.
[0021] In any of the above technical solutions, further comprising:
[0022] A clamping mechanism arranged on the lower side of the workbench is used to clamp the grinding mechanism.
[0023] In any of the above technical solutions, further comprising:
[0024] A support shaft arranged on the workbench, and the abutting member is rotatably arranged on the support shaft.
[0025] In any of the above technical solutions, further comprising:
[0026] The workbench comprises a fixed part and a movable part, the first driving mechanism and the support are arranged on the movable part, and the abutting member and the sliding mechanism are arranged on the fixed part;
[0027] A fixed seat arranged on the fixed part;
[0028] A first lifting mechanism arranged on the fixed seat, and the telescopic end of the first lifting mechanism is hinged to the movable part;
[0029] A second lifting mechanism arranged on the fixed seat, and the telescopic end of the second lifting mechanism is hinged to the movable part.
[0030] In any of the above technical solutions, further comprising that a force spring is arranged between the abutting member and the workbench, and the force spring is coaxially arranged with the abutting member.
[0031] The beneficial effects are:
[0032] 1. The bracket for bearing machining tool of the utility model realizes the compound motion of workpiece (bearing) in X / Y / Z three axial directions through the horizontal sliding of the first driving mechanism along the workbench and the vertical position adjustment of the sliding mechanism; and the clamping function of the rotating part combined with the axial limiting of the abutting part reduces the radial jumping of workpiece in the rotating process, and improves the machining precision;
[0033] 2. The rotating part realizes 60° or 90° accurate indexing under the driving of the second driving mechanism, and compared with the processing time length of the traditional process, the processing time of four or six outsole windows can be shortened by 10-20 minutes combined with the continuous feeding of the polishing mechanism;
[0034] 3. The symmetrical hinged clamping jaw cooperates with the return spring to produce uniform radial clamping force when clamping the inner circle of workpiece, so that the vibration amplitude of the polishing process is reduced, and the surface roughness is stable. BRIEF DESCRIPTION OF DRAWINGS
[0035] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0036] Figure 1 It is a first perspective three-dimensional structure schematic diagram of the bearing machining tool of the utility model embodiment;
[0037] Figure 2 It is a second perspective three-dimensional structure schematic diagram of the bearing machining tool of the utility model embodiment;
[0038] Figure 3 It is a cross-sectional structure schematic diagram of the bearing machining tool of the utility model embodiment;
[0039] Figure 4 It is Figure 3 The local enlarged structure schematic diagram of A in the utility model;
[0040] Figure 5 It is a partial structure schematic diagram of the clamping jaw and return spring in the bearing machining tool of the utility model embodiment.
[0041] The following is the explanation of the reference signs:
[0042] 1, workbench; 101, fixed part; 102, movable part;
[0043] 2, bracket;
[0044] 3, rotating part;
[0045] 4. first driving mechanism;
[0046] 5. abutting member;
[0047] 6. sliding mechanism;
[0048] 7. polishing mechanism; 701, vibration motor; 702, knife grinder;
[0049] 8. rotating mechanism;
[0050] 9. sliding member;
[0051] 10. clamping jaw;
[0052] 11. reset spring;
[0053] 12. second driving mechanism;
[0054] 13. clamping mechanism; 1301, sliding table; 1302, sliding rail; 1303, telescopic mechanism;
[0055] 14. supporting shaft;
[0056] 15. fixed seat;
[0057] 16. first lifting mechanism;
[0058] 17. second lifting mechanism;
[0059] 18. force spring. DETAILED DESCRIPTION
[0060] Hereinafter, the example embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part but not all of the embodiments of the present application. It should be understood that the present application is not limited to the described embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0061] It should be noted that, as shown in the present application and claims, unless the context clearly indicates otherwise, "one", "a", "an", and / or "the" do not specifically refer to the singular, but also include the plural. Generally speaking, the terms "comprise" and "include" only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list, and the method or device can also include other steps or elements.
[0062] If the embodiments of the utility model have involved directionality indication (such as up, down, left, right, front, back......), then the directionality indication is only used to explain the relative position relationship, movement condition etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directionality indication also changes accordingly.
[0063] In the utility model, unless another explicit provision and limitation, the terms "connect", "fix" and the like should be understood broadly, for example, "fix" 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 the communication or mutual action relationship of two elements, unless another explicit limitation.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0064] In addition, if the embodiments of the utility model have involved "first", "second" and the like description, then the "first", "second" and the like description is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that ordinary skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.
[0065] The bearing machining tool will be described in detail below through the following embodiments.
[0066] In this embodiment, as shown in the figure, the bearing machining tool comprises a workbench 1, which is horizontally arranged; Figures 1 to 5
[0067] A support 2 is slidably arranged on the workbench 1;
[0068] A rotating piece 3 is arranged on the support 2, and the rotating piece 3 is used for clamping a workpiece;
[0069] A first driving mechanism 4 is connected with the support 2 and used for driving the support 2 to slide;
[0070] An abutting piece 5 is correspondingly arranged in the sliding direction of the support 2 and used for abutting against the workpiece;
[0071] The sliding mechanism 6 is vertically arranged on the workbench 1.
[0072] The polishing mechanism 7 is arranged on the sliding mechanism 6 and is used for polishing the workpiece.
[0073] In the technical solution, the workbench 1 is horizontally arranged, the workbench 1 is provided with a vertical support plate, the sliding mechanism 6 is a motor-driven screw sliding block moving mechanism, and the sliding mechanism 6 is vertically fixed on the support plate. The polishing mechanism 7 comprises a vibration motor 701 and a grinding knife 702, the rear side of the grinding knife 702 is provided with a grinding surface, the vibration motor 701 drives the grinding knife 702 to vibrate up and down, and the side surface of the workpiece window is polished.
[0074] The support 2 is arranged on the movable part 102 of the workbench 1 through a guide rail, the first driving mechanism 4 is a motor-driven gear and rack mechanism, the rack is fixed on the side surface of the support 2, the motor of the first driving mechanism 4 is fixed on the workbench 1, the rotation of the gear acts on the rack, and the support 2 is driven to slide forward and backward.
[0075] The support 2 is an inverted T-shaped plate arranged on the guide rail, the support 2 is provided with a fixed circular hole, the rotating part 3 is arranged in the circular hole of the support 2 in a rotatable and cylindrical manner, and the rotating part 3 is convenient for driving the angle of the workpiece clamped thereon through the action of the rotating mechanism 8. The rear end of the rotating part 3 is provided with a boss, the boss is matched with the inner side surface of the workpiece, the workpiece is placed at the front end of the rotating part 3 through the cooperation of the mechanical hand, and the workpiece is preliminarily clamped through the boss.
[0076] It is worth mentioning that the workpiece is a bearing inner shell or outer shell, and the workpiece is provided with four or six or more windows processed in advance. The inner side surface of the window needs to be polished or grooves are processed during processing.
[0077] The abutting part 5 is a circular table structure, is arranged on the vertical support plate at the rear side of the rotating part 3, and abuts against the inner side surface at the rear of the workpiece through the circular table structure, so that the front and rear are centered.
[0078] In use, the position of the polishing mechanism 7 is first lifted through the sliding mechanism 6, the support 2 is driven to move forward through the control of the first driving mechanism 4, if there is a workpiece processed on the front, the workpiece is disassembled through an external mechanical hand (not shown in the figure), if not, the workpiece to be processed is installed at the rear end of the rotating part 3 through an external mechanical hand (not shown in the figure), then the support 2 is driven to move backward through the opening of the first driving mechanism 4, the workpiece is abutted on the abutting part 5, the position of the polishing mechanism 7 is lowered through the opening of the sliding mechanism 6, the grinding knife 702 of the polishing mechanism 7 penetrates through the window of the workpiece, and the polishing mechanism 7 is opened to polish.
[0079] In some technical solutions, a front-rear horizontal screw rod and sliding block moving mechanism (not shown in the figure) is arranged on the sliding block of the sliding mechanism 6, and the polishing mechanism 7 is arranged on the screw rod and sliding block moving mechanism, so that different depths can be polished.
[0080] In the embodiment, further comprising:
[0081] The rotating mechanism 8 is connected with the rotating piece 3 and used for driving the rotating piece 3 to rotate.
[0082] In the technical solution, the rotating mechanism 8 is a motor-driven gear set or synchronous belt wheel set, which is connected with the rotating piece 3 and can drive the rotating piece 3 to rotate. After the first window is polished, the height of the polishing mechanism 7 is raised, the rotating mechanism 8 is started to drive the rotating piece 3 and the workpiece to rotate by a certain angle, and then the subsequent window can be polished automatically.
[0083] In the embodiment, as shown in Figure 4 and Figure 5 Further comprising:
[0084] The sliding piece 9 is arranged in the through hole of the rotating piece 3 in a slidable manner.
[0085] The at least two clamping jaws 10 are symmetrically hinged to the rotating piece 3, and the clamping jaws 10 are used for abutting against the inner side of the workpiece.
[0086] The at least two reset springs 11 are arranged correspondingly to the clamping jaws 10 respectively, and are used for driving the clamping jaws 10 to rotate.
[0087] The through hole of the rotating piece 3 is provided with a receiving groove on the side close to the abutting piece 5, and the receiving groove is used for abutting against the clamping jaw.
[0088] The second driving mechanism 12 is connected with the sliding piece 9 and used for driving the sliding piece 9 to slide.
[0089] In the technical solution, the sliding piece 9 is a round rod arranged on the through hole of the rotating piece 3 in a front-rear horizontal manner, the through hole is coaxially arranged with the body of the rotating piece 3, and the second driving mechanism 12 is a cylinder capable of driving the sliding piece 9 to slide forward and backward and arranged on the movable part 102 of the workbench 1.
[0090] Taking the case that the clamping jaws 10 are two, the front end of the sliding piece 9 is provided with two pin shafts supported by lugs, the two clamping jaws 10 are rotatably arranged on the two pin shafts, the reset spring 11 is fixed to the outer side wall of the rotating piece 3 on the rear side of the pin shaft, and the outer side of the reset spring 11 is connected with the side of the clamping jaw 10.
[0091] The clamping jaw 10 is arranged in an arc shape or a broken line shape, and the rear end is hinged on a pin shaft. The rear side end of the rotating member 3 is provided with a containing groove for containing the pin shaft and the clamping jaw 10, and the containing groove is coaxially arranged with the through hole. When the second driving mechanism 12 drives the sliding member 9 to extend rearward, the front half of the clamping jaw 10 moves rearward from the containing groove to the outside, is opened outward under the action of the return spring 11, and abuts against the inner side wall of the hollow of the workpiece. At this time, the workpiece is clamped from the inside, and the fixing effect is improved. When the second driving mechanism 12 drives the sliding member to shrink forward, the front half of the clamping jaw 10 is retracted into the containing groove, is rotated inward under the pressure of the containing groove, the expansion of the rear half part is reduced, and the workpiece can be taken out or placed at this time.
[0092] It is worth mentioning that the angle of the clamping jaw 10 needs to avoid the position of the workpiece window to avoid affecting the up-down movement of the grinding knife 702 of the polishing mechanism 7.
[0093] In the embodiment, further comprising:
[0094] The clamping mechanism is arranged on the lower side of the workbench 1, and is used for clamping the grinding knife 702 of the polishing mechanism 7.
[0095] In the technical solution, the clamping mechanism comprises a sliding table 1301, a sliding rail 1302 and a telescopic mechanism 1303. The sliding rail 1302 is vertically arranged on the lower side of the workbench 1. The sliding table 1301 is slidably arranged on the sliding rail 1302. The telescopic mechanism 1303 is horizontally arranged on the lower side of the workbench 1 and is fixedly connected with the sliding table 1301. Initially, the telescopic mechanism 1303 is retracted. The grinding knife 702 is driven by the sliding mechanism 6 to move downward to the space between the telescopic cylinder and the sliding table 1301. The telescopic mechanism 1303 is opened to press the bottom end of the grinding knife 702 to the sliding table 1301, so that the bottom end of the grinding knife 702 is fixed, and the vibration of the grinding knife 702 during polishing is reduced.
[0096] The telescopic mechanism 1303 is a telescopic cylinder or a telescopic motor.
[0097] In the embodiment, further comprising:
[0098] The support shaft 14 is arranged on the workbench 1, and the abutting piece 5 is rotatably arranged on the support shaft 14.
[0099] In the technical solution, the support shaft 14 is horizontally arranged on the vertical support plate of the workbench 1, and the abutting piece 5 is rotatably arranged on the support shaft 14. In this way, the horizontal butt joint of the workpiece and the abutting piece 5 is facilitated, and the inclined butt joint of the two during the subsequent up-down angle adjustment of the rotating member 3 is also facilitated.
[0100] In the embodiment, further comprising:
[0101] The workbench 1 comprises a fixed part 101 and a movable part 102, the first driving mechanism 4 and the support 2 are arranged on the movable part 102, the abutting piece 5 and the sliding mechanism 6 are arranged on the fixed part 101;
[0102] The fixed seat 15 is arranged on the fixed part 101;
[0103] The first lifting mechanism 16 is arranged on the fixed seat 15, and the telescopic end of the first lifting mechanism 16 is hinged to the movable part 102;
[0104] The second lifting mechanism 17 is arranged on the fixed seat 15, and the telescopic end of the second lifting mechanism 17 is hinged to the movable part 102.
[0105] In the technical solution, the fixed seat 15 is fixed in a C shape on the bottom side of the fixed part 101, the first lifting mechanism 16 and the second lifting mechanism 17 are arranged in front of and behind the fixed seat 15 and the movable part 102, and the bottom ends of the first lifting mechanism 16 and the second lifting mechanism 17 are hinged to the movable part 102. When in use, the telescopic degrees of the two lifting mechanisms are adjusted in proportion by the controller, so that the movable part 102 and the structures thereon rotate around the support shaft 14, and the workpiece is inclined compared with the vertical plane, thereby facilitating polishing at different angles.
[0106] Of course, the rotation of the movable part 102 needs to be controlled within a certain angle, and the front and back positions of the workpiece also need to be adjusted appropriately when rotating, so as to avoid the collision between the workpiece and the grinding tool 702 during adjustment.
[0107] In the embodiment, the abutting piece 5 and the workbench 1 are provided with the force spring 18, and the force spring 18 is arranged coaxially with the abutting piece 5.
[0108] In the technical solution, the abutting piece 5 and the vertical support plate are provided with the force spring 18, so as to facilitate the abutting piece 5 to automatically keep in a horizontal state after the workpiece is removed.
[0109] The above has described the embodiments of the present disclosure, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical application or improvement of the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.
Claims
1. A tooling for bearing machining, characterized in that, The utility model relates to a workbench, including: Workbench (1), horizontal arrangement; Support (2), can be slidably arranged on the workbench (1); Rotary piece (3), be arranged on the support (2), the rotary piece (3) is used for clamping workpiece; First drive mechanism (4) is connected with the support (2), is used for driving the support (2) sliding; Butt joint piece (5), corresponding arrangement in the sliding direction of the support (2), is used for butt joint workpiece; Slip mechanism (6), vertical arrangement is on the workbench (1); Polishing mechanism (7), be arranged on the slip mechanism (6), is used for polishing workpiece, and the slip mechanism (6) is used for adjusting the position of polishing mechanism (7).
2. The bearing machining tooling apparatus of claim 1, wherein Also including: Rotary mechanism (8) is connected with the rotary piece (3), is used for driving the rotary piece (3) rotation.
3. The bearing machining tooling apparatus of claim 1, wherein Also including: Slipper (9), the rotary piece (3) is equipped with through -hole, the slipper (9) can be slidably arranged at the through -hole; At least two clamping jaws (10), the clamping jaw (10) is symmetrically hinged on the rotary piece (3), and the clamping jaw (10) is used for butt joint the inner side of workpiece; At least two reset springs (11) are arranged respectively corresponding each clamping jaw (10), are used for driving the clamping jaw (10) rotation; The through -hole of the rotary piece (3) is equipped with accommodating groove near the side of the butt joint piece (5), and the accommodating groove is used for butt joint with the pawl; Second drive mechanism (12) is connected with the slipper (9), is used for driving the slipper (9) sliding.
4. The bearing machining tooling apparatus of claim 1, wherein Also including: Tightening mechanism, be arranged on the lower side of the workbench (1), is used for tightening the whetstone (702) of polishing mechanism (7).
5. The bearing machining tooling apparatus of claim 1, wherein Also including: Supporting shaft (14), be arranged on the workbench (1), the butt joint piece (5) rotatable setting on the supporting shaft (14).
6. The bearing machining tooling apparatus of claim 1 or 5, wherein, Also including: The workbench (1) includes fixed part (101) and movable part (102), the first drive mechanism (4) and the support (2) are arranged on the movable part (102), and the butt joint piece (5) and the slip mechanism (6) are arranged on the fixed part (101); Fixed seat (15), be arranged on the fixed part (101); First lifting mechanism (16) is arranged on the fixed seat (15), and the telescopic end is hinged with the movable part (102); Second lifting mechanism (17) is arranged on the fixed seat (15), and the telescopic end is hinged with the movable part (102).
7. The bearing machining tooling apparatus of claim 5, wherein, The butt joint piece (5) and the workbench (1) are equipped with biasing spring (18), and the biasing spring (18) is coaxially arranged with the butt joint piece (5).