Fixing device for linear bearing machining

By designing the fixing devices of the clamping block assembly, the clamping piece assembly and the limit assembly, the problem of poor fixation of the linear bearing during processing is solved, efficient and stable workpiece positioning and adaptability are achieved, and the processing accuracy and safety are improved.

CN223368855UActive Publication Date: 2025-09-23浙江威尔轴承工业有限公司
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Patent Information

Application Number
CN202520025400.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-09-23
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing linear bearing processing devices have poor fixing effects, which causes the linear bearings to rotate easily, produce errors, and cannot adapt to tables of different sizes and materials.

Method used

A fixing device including a clamping block assembly, a clamping plate assembly and a limit assembly is designed. A servo motor is used to drive a ball screw and a hydraulic cylinder to achieve precise clamping and limiting, which can adapt to different workpiece surfaces and table sizes.

Benefits of technology

It improves the stability and precise positioning of the workpiece during processing, reduces processing errors, enhances the versatility and safety of the equipment, and improves processing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223368855U_ABST
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Abstract

A fixing device for linear bearing machining comprises a workbench, a manipulator is arranged on the front side face of the workbench, the workbench comprises an upper table body and a lower table body, the upper table body is fixedly connected with the lower table body, an inner cavity is formed in the upper table body, a clamping assembly is arranged on the upper table body, and the clamping assembly is fixedly connected with the upper table body. The clamping assembly comprises a clamping block assembly and a clamping piece assembly, a fixing piece is fixedly connected to the bottom of the clamping piece assembly, fixing nuts are arranged at the four corners of the fixing piece, limiting assemblies are arranged at the left end and the right end of the lower table body, and a first fixing hole and a second fixing hole are formed in the front portion and the rear portion of each limiting assembly. And displacement or vibration in the machining process is prevented, an operator can conveniently and rapidly adjust the clamping force and position, and therefore the machining efficiency is improved, machining errors caused by the improper position of a workpiece are avoided, and the clamping device can adapt to table tops of different sizes and is compatible with table tops made of various materials.
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Description

Technical Field

[0001] The utility model relates to the technical field of linear bearing processing, in particular to a fixing device for linear bearing processing. Background Art

[0002] Linear bearings are mechanical components used to support and guide linear motion. They are typically used in applications requiring high precision and low friction. Their primary function is to allow smooth movement of one component along the axis of another. Fixtures play a crucial role in the machining of linear bearings. Their primary function is to ensure that the workpiece remains in a stable and accurate position during machining, preventing it from shifting or deforming. In the prior art, a bearing processing and fixing device disclosed in the Chinese utility model disclosure specification CN207139316U includes a processing table fixed on the ground, a processing arm, a fixed seat and a drilling table are arranged on the table top of the processing table, wherein the processing arm and the drilling table are respectively located on both sides of the fixed seat, and a movable arm and a first guide rail are provided on the processing arm, the first guide rail is longitudinally laid on the side of the processing arm facing the fixed seat, the movable arm is movably arranged on the first guide rail and can move up and down along the first guide rail, a chuck is provided on the movable arm, the chuck is opposite to the fixed seat, and when the movable arm descends, the chuck can cooperate with the fixed seat to fix the bearing to be processed; a second guide rail is laterally arranged on the processing table, the drilling table is arranged on the second guide rail and can move laterally along the second guide rail, and a drill bit is provided on the drilling table.

[0003] Although this utility model solves the problem of existing linear bearing processing and fixing, the fixing effect of the device is poor when in use, and it can only fix in the vertical direction. During operation, the linear bearing is prone to rotation, and the clamping effect is poor, thereby causing errors. In addition, the device is more troublesome during installation and cannot adapt to tabletops of different sizes. Summary of the Invention

[0004] In order to solve the above problems, the utility model provides a fixing device for linear bearing processing:

[0005] A fixing device for linear bearing processing includes a workbench, a manipulator is provided on the front side of the workbench, the workbench includes an upper table and a lower table, the upper table is fixedly connected to the lower table, an inner cavity is provided in the upper table, a clamping assembly is provided on the upper table, the clamping assembly includes a clamping block assembly and a clamping sheet assembly, the clamping block assembly is located in the inner cavity, the clamping sheet assembly is located on the top surface of the upper table, a fixing sheet is fixedly connected to the bottom of the clamping sheet assembly, fixing nuts are provided at the four corners of the fixing sheet, and the fixing nuts are used to connect the clamping sheet assembly to the upper table, The left and right ends of the lower table are provided with limit assemblies, and the front and rear of the limit assembly are provided with a first fixing hole and a second fixing hole. The first fixing hole is located at the front end of the limit assembly, and the second fixing hole is located at the rear end of the limit assembly, which can effectively clamp the linear bearing, provide good stability, and prevent displacement or vibration during the processing. It is convenient for the operator to quickly adjust the clamping force and position, thereby improving the processing efficiency, ensuring the precise positioning of the workpiece during the processing, avoiding processing errors caused by improper position of the workpiece, and can adapt to table tops of different sizes and be compatible with table tops of various materials.

[0006] Preferably, the clamping block assembly includes a first clamping block assembly and a second clamping block assembly, the first clamping block assembly is located on the left side of the inner cavity, the second clamping block assembly is located on the right side of the inner cavity, a partition plate is provided between the first clamping block assembly and the second clamping block assembly, the partition plate is located in the middle of the inner cavity, the partition plate is fixedly connected to the inner cavity, the left and right ends of the inner cavity are fixedly connected with a first fixed plate and a second fixed plate, the first fixed plate is located at the left end of the inner cavity, the second fixed plate is located at the right end of the inner cavity, the first fixed plate and the second fixed plate are provided with a driving device near the partition plate, thereby achieving stable separation and uniform force between the clamping block assemblies, and enhancing the clamping effect and processing accuracy.

[0007] Preferably, the driving device includes a servo motor, and the servo motor is respectively arranged at the first fixed plate and the second fixed plate. The servo motor is provided with a ball screw at one end near the partition plate, and a ball nut is provided on the ball screw. Bearing seats are provided on both sides of the partition plate. The ball screw is connected to the bearing seat, and a connecting block is fixedly connected to the side of the ball nut. The top surface of the connecting block is fixedly connected to the clamping block. The top surface of the upper platform is provided with a movable hole to improve the clamping efficiency and processing flexibility.

[0008] Preferably, a rubber block is fixedly connected to the inner side of the connecting block, and the rubber block is used to avoid friction damage to the linear bearing during the clamping process, thereby extending the service life of the linear bearing and improving the reliability of the system.

[0009] Preferably, the clamping plate assembly includes a connecting frame, a hydraulic cylinder is provided in the middle of the top surface of the connecting frame, a push rod is provided on the bottom surface of the hydraulic cylinder, and a clamping plate is fixedly connected to the bottom surface of the push rod. The clamping plate is arc-shaped, which realizes precise control of the clamping force. The arc-shaped clamping plate can better fit the surface of the clamped object, provide uniform pressure, avoid damage to the linear bearing, and enhance the stability and safety of the clamping.

[0010] Preferably, the limit assembly includes a connecting hole column, a limit screw is provided in the connecting hole column, a knob is provided on the top surface of the limit screw, a limit ball nut is provided on the limit screw, a connecting plate is fixedly connected to the bottom surface of the limit ball nut, and the bottom end of the limit screw is fixedly connected to the limit block. The cooperation between the connecting plate and the limit block ensures that excessive clamping or movement can be effectively prevented during the clamping process, thereby improving the safety and reliability of the system.

[0011] Preferably, the connecting plate is provided with a first connecting hole and a second connecting hole, the first connecting hole corresponds to the first fixing hole, and the second connecting hole is fixed to the second fixing hole. Connecting bolts are provided at the first connecting hole and the second connecting hole, and connecting nuts are provided at both ends of the connecting bolts, which can adapt to countertops of different sizes and are compatible with countertops of various materials.

[0012] The beneficial effects of the utility model are:

[0013] 1. The design of the clamping block assembly can effectively clamp the workpiece, provide good stability, prevent displacement or vibration during the processing, adapt to various processing needs, improve the versatility of the equipment, and facilitate the operator to quickly adjust the clamping force and position, thereby improving processing efficiency; the design of the clamping piece assembly can effectively adapt to the surface shape of different workpieces, provide better clamping effect, and ensure that the workpiece remains stable during processing.

[0014] 2. The design of the limit assembly ensures the precise positioning of the workpiece during the machining process, avoiding machining errors caused by improper workpiece positioning. The first fixing hole and the second fixing hole are provided at the front and rear of the limit assembly, which can flexibly adjust the fixed position of the workpiece according to actual needs, providing greater adjustment space and flexibility, and can adapt to countertops of different sizes and be compatible with countertops of various materials, effectively preventing accidental movement of the workpiece during machining, improving machining safety, and reducing operational risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a right side view of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the clamping block assembly of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the drive device of the utility model;

[0020] Figure 6 This is a schematic structural diagram of the clamping piece assembly of the utility model;

[0021] Figure 7 This is a schematic structural diagram of the limit assembly of the utility model.

[0022] Reference numerals: 1, workbench; 101, upper platform; 111, inner cavity; 102, lower platform; 2, clamping assembly; 3, clamping block assembly; 301, driving device; 311, servo motor; 312, ball screw; 313, ball nut; 314, connecting block; 315, bearing seat; 302, first fixing plate; 303, second fixing plate; 304, spacer plate; 305, clamping block; 351, rubber block; 306, moving hole; 307, first clamping block assembly; 308, second clamping block assembly; 4 , clamping plate assembly; 401, fixing plate; 402, fixing nut; 403, connecting frame; 404, hydraulic cylinder; 405, push rod; 406, clamping plate; 5, limiting assembly; 501, connecting hole column; 502, limiting screw rod; 503, limiting ball nut; 504, connecting plate; 541, first connecting hole; 542, second connecting hole; 543, connecting bolt; 544, connecting nut; 505, limiting block; 506, knob; 507, first fixing hole; 508, second fixing hole; 6, manipulator. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-7 The utility model is further described.

[0024] like Figure 1-2 and Figure 7As shown in the figure: This embodiment is a fixing device for linear bearing processing, including a workbench 1, a manipulator 6 is provided on the front side of the workbench 1, the workbench 1 includes an upper table 101 and a lower table 102, the upper table 101 is fixedly connected to the lower table 102, an inner cavity 111 is provided in the upper table 101, a clamping assembly 2 is provided on the upper table 101, the clamping assembly 2 includes a clamping block assembly 3 and a clamping sheet assembly 4, the clamping block assembly 3 is located in the inner cavity 111, and the clamping sheet assembly 4 is located on the upper table 101. On the top surface of the platform 101, the bottom of the clamping plate assembly 4 is fixedly connected with a fixing plate 401, and fixing nuts 402 are provided at the four corners of the fixing plate 401. The fixing nuts 402 are used to connect the clamping plate assembly 4 to the upper platform 101. The left and right ends of the lower platform 102 are provided with limiting assemblies 5, and the front and rear of the limiting assembly 5 are provided with a first fixing hole 507 and a second fixing hole 508. The first fixing hole 507 is located at the front end of the limiting assembly 5, and the second fixing hole 508 is located at the rear end of the limiting assembly 5.

[0025] like Figure 2-5 As shown: the clamping block assembly 3 includes a first clamping block assembly 307 and a second clamping block assembly 308, the first clamping block assembly 307 is located on the left side of the inner cavity 111, and the second clamping block assembly 308 is located on the right side of the inner cavity 111, and a partition plate 304 is provided between the first clamping block assembly 307 and the second clamping block assembly 308, the partition plate 304 is located in the middle of the inner cavity 111, the partition plate 304 is fixedly connected to the inner cavity 111, and the first fixed plate 302 and the second fixed plate 303 are fixedly connected at the left and right ends of the inner cavity 111, the first fixed plate 302 is located at the left end of the inner cavity 111, and the second fixed plate 303 is located at the right end of the inner cavity 111, and the first fixed plate 302 and the second fixed plate 303 are provided with a driving plate near the partition plate 304. The driving device 301 includes a servo motor 311, and the servo motor 311 is respectively arranged at the first fixed plate 302 and the second fixed plate 303. The servo motor 311 is provided with a ball screw 312 at one end near the partition plate 304, and a ball nut 313 is provided on the ball screw 312. Bearing seats 315 are provided on both sides of the partition plate 304. The ball screw 312 is connected to the bearing seat 315. The side of the ball nut 313 is fixedly connected with a connecting block 314, and the inner side of the connecting block 314 is fixedly connected with a rubber block 351. The rubber block 351 is used to avoid friction damage to the linear bearing during the clamping process. The top surface of the connecting block 314 is fixedly connected with the clamping block 305, and the top surface of the upper platform 101 is provided with a moving hole 306.

[0026] like Figure 2 and Figure 6As shown: the clamping piece assembly 4 includes a connecting frame 403, a hydraulic cylinder 404 is provided in the middle of the top surface of the connecting frame 403, a push rod 405 is provided on the bottom surface of the hydraulic cylinder 404, and a clamping piece 406 is fixedly connected to the bottom surface of the push rod 405, and the clamping piece 406 is arc-shaped.

[0027] like Figure 1-3 and Figure 7 As shown: the limit assembly 5 includes a connecting hole column 501, a limit screw 502 is provided in the connecting hole column 501, a knob 506 is provided on the top surface of the limit screw 502, a limit ball nut 503 is provided on the limit screw 502, and a connecting plate 504 is fixedly connected to the bottom surface of the limit ball nut 503, a first connecting hole 541 and a second connecting hole 542 are provided on the connecting plate 504, the first connecting hole 541 corresponds to the first fixing hole 507, and the second connecting hole 542 is fixed to the second fixing hole 508, and connecting bolts 543 are provided at both ends of the connecting bolt 543, and connecting nuts 544 are provided at the bottom end of the limit screw 502.

[0028] When the utility model is used: when installing the device on the table, unscrew the connecting nut 544 on the limiting assembly 5, pull out the connecting bolt 543 from the first connecting hole 541, the second connecting hole 542, the first fixing hole 507, and the second fixing hole 508, put the table between the connecting plate 504 and the lower table body 102, and then rotate the knob 506 to rotate the limiting screw rod 502, move the limiting ball nut 503, and clamp the lower table body 102 and the connecting plate 504 on the table. Finally, pass the connecting bolt 543 through the first connecting hole 541 and the first fixing hole 507, the second connecting hole 542 and the second Fix the fixing hole 508 and the connecting bolt 543 with connecting nuts 544 at both ends to complete the installation; when fixing the linear bearing, place the linear bearing between the clamping blocks 305, operate the manipulator 6, start the servo motors 311 at both ends, the servo motor 311 drives the ball screw 312 to rotate, and the ball screw 312 rotates to drive the ball nut 313 to move, and the clamping blocks 305 on both sides of the linear bearing move at the same time, and the clamping blocks 305 clamp the linear bearing, and then start the hydraulic cylinder 404, the hydraulic cylinder 404 pushes the push rod 405 downward, and the clamping piece 406 completes the vertical clamping of the linear bearing.

[0029] Obviously, the above embodiments of the present invention are merely examples for the purpose of illustrating the present invention and are not intended to limit the implementation methods of the present invention. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to provide an exhaustive list of implementation methods. However, any obvious variations or modifications arising from the essence of the present invention remain within the scope of protection of the present invention.

Claims

1. A fixture for linear bearing processing, comprising a workbench (1), characterized in that: The workbench (1) is provided with a manipulator (6) on the front side. The workbench (1) includes an upper platform (101) and a lower platform (102). The upper platform (101) is fixedly connected to the lower platform (102). An inner cavity (111) is provided in the upper platform (101). A clamping assembly (2) is provided on the upper platform (101). The clamping assembly (2) includes a clamping block assembly (3) and a clamping sheet assembly (4). The clamping block assembly (3) is located in the inner cavity (111). The clamping sheet assembly (4) is located on the top surface of the upper platform (101). A fixing plate (401) is fixedly connected to the bottom of the plate assembly (4), and fixing nuts (402) are provided at the four corners of the fixing plate (401). The fixing nuts (402) are used to connect the clamping plate assembly (4) to the upper platform (101). The left and right ends of the lower platform (102) are provided with limiting assemblies (5), and the front and rear sides of the limiting assembly (5) are provided with a first fixing hole (507) and a second fixing hole (508), the first fixing hole (507) is located at the front end of the limiting assembly (5), and the second fixing hole (508) is located at the rear end of the limiting assembly (5).

2. The fixing device for linear bearing processing according to claim 1, characterized in that: The clamping block assembly (3) includes a first clamping block assembly (307) and a second clamping block assembly (308), wherein the first clamping block assembly (307) is located on the left side of the inner cavity (111), and the second clamping block assembly (308) is located on the right side of the inner cavity (111); a partition plate (304) is provided between the first clamping block assembly (307) and the second clamping block assembly (308); the partition plate (304) is located in the middle of the inner cavity (111), and the partition plate (304) is fixedly connected to the inner cavity (111); a first fixed plate (302) and a second fixed plate (303) are fixedly connected at the left and right ends of the inner cavity (111); the first fixed plate (302) is located at the left end of the inner cavity (111), and the second fixed plate (303) is located at the right end of the inner cavity (111); a driving device (301) is provided on one side of the first fixed plate (302) and the second fixed plate (303) near the partition plate (304).

3. The fixing device for linear bearing processing according to claim 2, characterized in that: The driving device (301) includes a servo motor (311), the servo motor (311) being respectively arranged at the first fixed plate (302) and the second fixed plate (303), a ball screw (312) being provided at one end of the servo motor (311) near the partition plate (304), a ball nut (313) being provided on the ball screw (312), bearing seats (315) being provided on both sides of the partition plate (304), the ball screw (312) being connected to the bearing seats (315), a connecting block (314) being fixedly connected to the side of the ball nut (313), a clamping block (305) being fixedly connected to the top surface of the connecting block (314), and a moving hole (306) being provided on the top surface of the upper platform (101).

4. The fixing device for linear bearing processing according to claim 3, characterized in that: A rubber block (351) is fixedly connected to the inner side of the connecting block (314), and the rubber block (351) is used to prevent friction damage to the linear bearing during the clamping process.

5. The fixing device for linear bearing processing according to claim 1, characterized in that: The clamping piece assembly (4) comprises a connecting frame (403), a hydraulic cylinder (404) is provided in the middle of the top surface of the connecting frame (403), a push rod (405) is provided on the bottom surface of the hydraulic cylinder (404), and a clamping piece (406) is fixedly connected to the bottom surface of the push rod (405), and the clamping piece (406) is arc-shaped.

6. The fixing device for linear bearing processing according to claim 1, characterized in that: The limiting assembly (5) comprises a connecting hole column (501), a limiting screw rod (502) is provided in the connecting hole column (501), a knob (506) is provided on the top surface of the limiting screw rod (502), a limiting ball nut (503) is provided on the limiting screw rod (502), a connecting plate (504) is fixedly connected to the bottom surface of the limiting ball nut (503), and a limiting block (505) is fixedly connected to the bottom end of the limiting screw rod (502).

7. The fixing device for linear bearing processing according to claim 6, characterized in that: The connecting plate (504) is provided with a first connecting hole (541) and a second connecting hole (542), the first connecting hole (541) corresponds to the first fixing hole (507), the second connecting hole (542) is fixed to the second fixing hole (508), and the first connecting hole (541) and the second connecting hole (542) are both provided with connecting bolts (543), and connecting nuts (544) are provided at both ends of the connecting bolts (543).

Citation Information

Patent Citations

  • Bearing processing fixing device

    CN207139316U