Linear thrust position degree testing fixture
By using a linear bearing mechanism in the linear thrust position detection tool, the close contact and alternating rolling of the ball and the sliding push block are solved, and the problem of excessive sliding gap or too large movement resistance caused by wear of the push block is solved, achieving high-precision and efficient position detection.
Patent Information
- Application Number
- CN202422499759.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-16
AI Technical Summary
During the existing workpiece position detection process, the wear of the push block causes too large sliding gap or too large moving resistance, which affects the efficiency and precision of the inspection tool.
A linear bearing mechanism is adopted, including a bearing housing, bearing cage, balls and flange plugs, which provide stable sliding support through the balls in close contact with multiple sides of the sliding push block, and reduce friction through the alternating rolling of the annular groove and the balls in the linear groove.
It improves the accuracy and efficiency of the inspection tool, reduces structural wear, extends service life, and ensures smooth sliding.
Smart Images
Figure CN223138526U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of position gauges, and particularly relates to a linear thrust position gauge. Background Art
[0002] During the process of detecting the position of a workpiece, the push block is reciprocally pushed and pulled for a long time, and the sliding clearance caused by wear is too large, resulting in the failure of the gauge. For high-precision gauges, the sliding clearance is small, and the moving resistance of the push block is too large, thus affecting the use efficiency of the gauge. Content of the Utility Model
[0003] The purpose of the utility model is to provide a linear thrust position gauge to solve the above-mentioned problems.
[0004] To achieve the above purpose, the utility model adopts the following technical solution: a linear thrust position gauge, which includes a base, a fixed clamp, a bearing seat, a linear bearing mechanism and a sliding push block. The fixed clamp and the bearing seat are both installed on the base. The linear bearing mechanism is installed in the bearing seat. The sliding push block is a prism, and the sliding push block passes through the linear bearing mechanism. The linear bearing mechanism abuts against multiple sides of the sliding push block, and the linear bearing mechanism provides sliding support for the sliding push block.
[0005] As a further description of the above technical solution:
[0006] The linear bearing mechanism includes a bearing housing, a bearing cage, a plurality of balls and two flange plugs. The bearing housing is installed in the bearing seat. The bearing cage is snap-fitted in the bearing housing. The sliding push block passes through the bearing cage. The two flange plugs are respectively snap-fitted at both ends of the bearing housing, and the two flange plugs respectively abut against both ends of the bearing cage. The plurality of balls are arranged in the bearing cage, and the plurality of balls abut against multiple sides of the sliding push block.
[0007] As a further description of the above technical solution:
[0008] A plurality of convex platforms are arranged on the bearing cage, and a plurality of grooves matching the plurality of convex platforms are arranged in the bearing housing. The plurality of convex platforms are snapped into the plurality of grooves.
[0009] As a further description of the above technical solution:
[0010] A slideway is provided on the bearing cage, the sliding push block is slidably connected in the slideway, multiple stepped surfaces are provided on the bearing cage, an annular groove in the shape of an annular runway is provided on the stepped surface, a plurality of the balls are filled in the annular groove, a straight groove communicating with the slideway is provided in the annular groove, and part of the balls extend into the straight groove and abut against the side surface of the sliding push block.
[0011] As a further description of the above technical solution:
[0012] The direction of the straight groove is the same as the sliding direction of the sliding push block.
[0013] To sum up, due to the adoption of the above technical solution, the beneficial effects of the present utility model are:
[0014] 1. In the present utility model, the workpiece to be measured is fixedly clamped on the base, and the sliding push block is pushed to perform position measurement. When the linear bearing mechanism abuts against the sliding push block, the precision of the inspection tool is ensured. Under the sliding support of the linear bearing mechanism, the structure has small wear, the sliding push block slides stably and smoothly, and the use efficiency of the inspection tool is improved.
[0015] 2. In the present utility model, through the close contact between multiple side surfaces of the sliding push block and the balls, the rolling of the balls provides stable sliding support for the sliding push block, improves the precision and smoothness of the inspection tool, and increases the service life and use efficiency of the inspection tool.
[0016] 3. In the present utility model, when the sliding push block slides, the balls in the straight groove roll and the positions of the balls in the straight groove move, reducing the sliding friction between the sliding push block and the balls, and the balls in the annular groove and the balls in the straight groove alternate with each other. Description of the Drawings
[0017] Figure 1 It is a schematic diagram of the overall structure of a linear thrust position inspection tool.
[0018] Figure 2 It is an exploded view of a linear thrust position inspection tool.
[0019] Figure 3 It is a cross-section of a linear thrust position inspection tool Figure 1 .
[0020] Figure 4 It is a cross-section of a linear thrust position inspection tool Figure 2 .
[0021] Figure 5 It is a cross-section of a linear thrust position inspection tool Figure 3 .
[0022] Figure 6It is a schematic diagram of the overall structure of a bearing cage in a linear thrust position gauge.
[0023] Figure 7 It is a cross-sectional view of a bearing cage in a linear thrust position gauge.
[0024] Legend:
[0025] 1. Base; 2. Fixed clamp; 3. Bearing seat; 4. Linear bearing mechanism; 41. Bearing housing; 42. Bearing cage; 43. Ball; 44. Flange plug; 5. Sliding push block; 6. Boss; 7. Groove; 8. Slideway; 9. Step surface; 10. Annular groove; 11. Linear groove. Specific implementation mode
[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] Please refer to Figure 1-7 , the present invention provides a technical solution: a linear thrust position gauge, including a base 1, a fixed clamp 2, a bearing seat 3, a linear bearing mechanism 4 and a sliding push block 5. The fixed clamp 2 and the bearing seat 3 are both installed on the base 1. The linear bearing mechanism 4 is installed in the bearing seat 3. The sliding push block 5 is a prism, and the sliding push block 5 passes through the linear bearing mechanism 4. The linear bearing mechanism 4 abuts against multiple sides of the sliding push block 5, and the linear bearing mechanism 4 provides sliding support for the sliding push block 5.
[0028] The linear bearing mechanism 4 includes a bearing housing 41, a bearing cage 42, a plurality of balls 43 and two flange plugs 44. The bearing housing 41 is installed in the bearing seat 3. The bearing cage 42 is snap-fitted in the bearing housing 41. The sliding push block 5 passes through the bearing cage 42. The two flange plugs 44 are respectively snap-fitted at both ends of the bearing housing 41, and the two flange plugs 44 respectively abut against both ends of the bearing cage 42. The plurality of balls 43 are arranged in the bearing cage 42, and the plurality of balls 43 abut against multiple sides of the sliding push block 5. Multiple sides of the sliding push block 5 are in close contact with the balls 43. The rolling of the balls 43 provides stable sliding support for the sliding push block 5, improves the accuracy and smoothness of the gauge, and increases the service life and use efficiency of the gauge.
[0029] A plurality of bosses 6 are provided on the bearing cage 42, and a plurality of grooves 7 matching the plurality of bosses 6 are provided in the bearing housing 41. The plurality of bosses 6 are snapped into the plurality of grooves 7, facilitating the disassembly and assembly of the bearing cage 42 in the bearing housing 41 and ensuring the stable installation of the bearing cage 42 in the bearing housing 41;
[0030] A slideway 8 is formed in the bearing cage 42. The sliding push block 5 is slidably connected in the slideway 8. A plurality of stepped surfaces 9 are provided on the bearing cage 42. An annular groove 10 in the shape of an annular runway is formed on the stepped surface 9. A plurality of the balls 43 are filled in the annular groove 10. A straight groove 11 communicating with the slideway 8 is formed in the annular groove 10. Part of the balls 43 extend into the straight groove 11 and abut against the side surface of the sliding push block 5. When the sliding push block 5 slides, the balls 43 in the straight groove 11 roll and the positions of the balls 43 in the straight groove 11 move, reducing the sliding friction between the sliding push block 5 and the balls 43. The balls 43 in the annular groove 10 and the balls 43 in the straight groove 11 alternate with each other;
[0031] The direction of the straight groove 11 is the same as the sliding direction of the sliding push block 5, ensuring smooth sliding of the sliding push block 5.
[0032] Working principle: First, the workpiece to be measured is fixed and clamped by the fixing clamp 2 on the base 1. Secondly, the sliding push block 5 is pushed. The plurality of side surfaces of the sliding push block 5 are in close contact with the balls 43. The rolling of the balls 43 provides stable sliding support for the sliding push block 5. Then, part of the balls 43 extend into the straight groove 11 and abut against the side surface of the sliding push block 5. When the sliding push block 5 slides, the balls 43 in the straight groove 11 roll and the positions of the balls 43 in the straight groove 11 move, reducing the sliding friction between the sliding push block 5 and the balls 43. The balls 43 in the annular groove 10 and the balls 43 in the straight groove 11 alternate with each other. Finally, the position accuracy is detected.
[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A linear thrust position inspection tool, characterized in that: It includes a base (1), a fixed clamp (2), a bearing housing (3), a linear bearing mechanism (4) and a sliding push block (5). The fixed clamp (2) and the bearing housing (3) are both installed on the base (1). The linear bearing mechanism (4) is installed in the bearing housing (3). The sliding push block (5) is a prism, and the sliding push block (5) passes through the linear bearing mechanism (4). The linear bearing mechanism (4) abuts against multiple sides of the sliding push block (5), and the linear bearing mechanism (4) provides sliding support for the sliding push block (5).
2. The linear thrust position degree inspection tool according to claim 1, characterized in that The linear bearing mechanism (4) includes a bearing housing (41), a bearing cage (42), multiple balls (43) and two flange plugs (44). The bearing housing (41) is installed in the bearing housing (3). The bearing cage (42) is snap-fitted in the bearing housing (41). The sliding push block (5) passes through the bearing cage (42). The two flange plugs (44) are respectively snap-fitted at both ends of the bearing housing (41), and the two flange plugs (44) respectively abut against both ends of the bearing cage (42). Multiple balls (43) are arranged in the bearing cage (42), and multiple balls (43) abut against multiple sides of the sliding push block (5).
3. The linear thrust position gauge according to claim 2, characterized in that, Multiple bosses (6) are provided on the bearing cage (42), and multiple grooves (7) matching the multiple bosses (6) are provided in the bearing housing (41). The multiple bosses (6) are snapped into the multiple grooves (7).
4. The linear thrust position measuring tool according to claim 3, wherein A slideway (8) is formed on the bearing cage (42). The sliding push block (5) is slidably connected in the slideway (8). Multiple stepped surfaces (9) are provided on the bearing cage (42). An annular groove (10) in the shape of an annular runway is formed on the stepped surface (9). Multiple balls (43) are filled in the annular groove (10). A linear groove (11) communicating with the slideway (8) is formed in the annular groove (10). Part of the balls (43) extend into the linear groove (11) and abut against the side surface of the sliding push block (5).
5. The linear thrust position degree inspection tool according to claim 4, characterized in that, The direction of the linear groove (11) is the same as the sliding direction of the sliding push block (5).