Fixture for improving durability of boring tool of support part
By introducing components such as fixture seats, bracket parts body, and press plate into the boring and processing fixture, the problem of poor rigidity of the processing part is solved, the accuracy of boring and tool durability is improved, and the cutting vibration is reduced.
Patent Information
- Application Number
- CN202420745073.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the boring process of automotive powertrain components, the processing parts of the bracket parts are far away from the positioning installation surface, resulting in poor machining rigidity and frequent cutting vibrations, which reduces the durability and machining accuracy of the tool.
A fixture including fixture seat, bracket part body, pressure plate and V-shaped pressure plate is designed. Boring is improved through components such as welding sheet, positioning screw, flange nut, fixing screw, welding ring, rotating shaft and V-shaped pressure plate. The rigidity of the cutting process reduces vibration in the cutting process.
It effectively improves the accuracy of boring and tool durability, and reduces costs.
Smart Images
Figure CN222154675U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a clamp for improving the durability of a tool for boring and machining a bracket part, and belongs to the technical field of clamp equipment. Background Art
[0002] In the field of automotive powertrain components, there is a bracket component that is used to support the guide shaft. The mounting holes for the parts and shafts have high diameter dimensions and cylindricity requirements, which require boring processing. At the same time, the holes, bottom surfaces, and positioning mounting holes that need to be processed in the bracket parts have certain positional accuracy requirements. However, the problem in actual production is that the processing part is far away from the positioning mounting surface, and the rigidity is poor during processing. Due to cutting vibration, there are vibration marks on the surface of the workpiece, and the tool will be frequently impacted, resulting in low tool durability and high tool costs. Now there is an urgent need for a fixture that can improve the durability of the tool for boring bracket parts to solve the above problems. Utility Model Content
[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a fixture for improving the durability of the boring tool of the bracket parts, so as to solve the problems raised in the above-mentioned background technology. The utility model has a simple structure, greatly improves the rigidity of the boring bracket parts and the shaft matching mounting holes, effectively reduces the vibration of the cutting process, improves the durability of the tool, and improves the processing accuracy.
[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a fixture for improving the durability of the boring tool of a bracket part, comprising a fixture seat, a bracket part body, a pressure plate and a V-shaped pressure plate, the upper end of the fixture seat is welded with a welding plate, and two positioning screws are longitudinally fixed to the upper end of the fixture seat, and bracket part positioning holes are opened on the left and right sides of the front end of the bracket part body, and fixing screws are longitudinally fixed to the left and right sides of the upper end of the fixture seat, and the two annular sides of the fixing screws are both covered with a second flange nut and a third flange nut, and two pressure plates are provided, and the two pressure plates are respectively covered on the outside of the two fixing screws, and a threaded fixing rod and a fixing rod are respectively longitudinally fixed at the left and right positions of the rear side of the upper end of the fixture seat, and a welding ring is installed on the upper end of the fixing rod, and a rotating shaft is fixed in the welding ring, and an elliptical groove is opened on the left side of the upper left end of the V-shaped pressure plate.
[0005] Furthermore, a shaft matching mounting hole is provided on the upper side of the front end of the bracket part body.
[0006] Furthermore, a positioning groove is provided at the lower end of the bracket part body, and the welding piece is clamped in the positioning groove.
[0007] Furthermore, the two positioning screws pass through the two bracket component positioning holes respectively, and the two positioning screws are fastened together with the bracket component body through a first flange nut.
[0008] Furthermore, the two pressing plates are respectively located between the two second flanged nuts and the two third flanged nuts, and both pressing plates tightly press the bracket part body.
[0009] Furthermore, an ear plate is integrally provided at the right end of the V-shaped pressure plate, and the ear plate is movably sleeved on the outside of the rotating shaft, and the V-shaped pressure plate tightly presses the bracket part body.
[0010] Furthermore, the threaded fixing rod is movably sleeved in the elliptical groove, and a fourth flanged nut is sleeved on the outer upper end of the threaded fixing rod.
[0011] The beneficial effects of the utility model: the utility model is a fixture for improving the durability of the tool for boring and machining bracket parts. Because the utility model adds a welding piece, a positioning screw, a first flanged nut, a fixing screw, a pressure plate, a second flanged nut, a third flanged nut, a fixing rod, a welding ring, a rotating shaft, a V-shaped pressure plate, a threaded fixing rod and a fourth flanged nut, our design improvements and actual use have shown that the device has a simple structure, greatly improves the rigidity of the boring and machining bracket parts and the shaft matching mounting holes, effectively reduces the vibration of the cutting process, improves the tool durability, and improves the machining accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0013] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a fixture for improving the durability of a tool for boring and machining a bracket part according to the utility model;
[0014] Figure 2 This is a schematic diagram of the main body of a bracket part of a fixture for improving the durability of a boring tool for bracket parts according to the utility model;
[0015] Figure 3 This is a schematic diagram of the elliptical groove shape of a V-shaped pressure plate of a fixture for improving the durability of a boring tool for a bracket part according to the utility model;
[0016] Figure 4 This is a schematic diagram of the disassembly of a pressure plate of a fixture for improving the durability of a tool for boring and machining a bracket part according to the utility model;
[0017] In the figure: 1-clamp seat, 2-welding plate, 3-positioning screw, 4-first flanged nut, 5-bracket part body, 51-axis matching mounting hole, 6-bracket part positioning hole, 7-positioning groove, 8-fixing screw, 81-pressure plate, 9-second flanged nut, 10-third flanged nut, 11-fixing rod, 12-welding ring, 13-rotating shaft, 14-V-shaped pressure plate, 15-threaded fixing rod, 16-fourth flanged nut. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: a fixture for improving the durability of boring tools for bracket parts, comprising a fixture seat 1, a bracket part body 5, a pressure plate 81 and a V-shaped pressure plate 14, a welding sheet 2 is welded on the upper end of the fixture seat 1, two positioning screws 3 are longitudinally fixed on the upper end of the fixture seat 1, and bracket part positioning holes 6 are opened on the left and right sides of the front end of the bracket part body 5, and fixing screws 8 are longitudinally fixed on the left and right sides of the upper end of the fixture seat 1. The annular sides of the two fixing screws 8 are sleeved with a second flange nut 9 and a third flange nut 10, and two pressure plates 81 are provided. The two pressure plates 81 are respectively sleeved on the outside of the two fixing screws 8, and a threaded fixing rod 15 and a fixing rod 11 are longitudinally fixed on the left and right positions of the rear side of the upper end of the fixture seat 1, respectively, a welding ring 12 is installed on the upper end of the fixing rod 11, and a rotating shaft 13 is fixed in the welding ring 12, and an elliptical groove is opened on the left side of the upper left end of the V-shaped pressure plate 14.
[0020] As the first embodiment of the utility model: an axis matching mounting hole 51 is provided on the upper side of the front end of the bracket part body 5, a positioning groove 7 is opened at the lower end of the bracket part body 5, and the welding piece 2 is clamped in the positioning groove 7. Through the added positioning groove 7 and the set welding piece 2, the bracket part body 5 placed on the upper end of the clamp seat 1 can be limited in the left and right directions.
[0021] The two positioning screws 3 pass through the two bracket part positioning holes 6 respectively, and the two positioning screws 3 are fastened together with the bracket part body 5 through the first flanged nut 4. The two added positioning screws 3 can facilitate the accurate placement of the bracket part body 5, and can also be fixed by the two positioning screws 3. The two pressing plates 81 are respectively located between the two second flanged nuts 9 and the two third flanged nuts 10, and the two pressing plates 81 are pressed against the bracket part body 5. The height of the two pressing plates 81 can be adjusted by adding the two second flanged nuts 9 and the two third flanged nuts 10, and the bracket part body 5 can also be pressed against by the two pressing plates 81.
[0022] An ear plate is integrally provided at the right end of the V-shaped pressure plate 14, and the ear plate is movably sleeved on the outside of the rotating shaft 13. The V-shaped pressure plate 14 presses the bracket part body 5. The added V-shaped pressure plate 14 can press the upper part of the bracket part body 5. The threaded fixing rod 15 is movably sleeved in the elliptical groove. The fourth flanged nut 16 is sleeved on the upper end of the threaded fixing rod 15. The added elliptical groove will not affect the swinging of the V-shaped pressure plate 14 about the rotating shaft 13. At the same time, when the threaded fixing rod 15 is movably sleeved in the elliptical groove, the fourth flanged nut 16 can be used to limit and fix the V-shaped pressure plate 14, thereby indirectly making the V-shaped pressure plate 14 press the upper part of the bracket part body 5, effectively reducing the vibration of the bracket part body 5 during the cutting process.
[0023] As a second embodiment of the utility model: when it is necessary to clamp and fix the bracket part body 5 before boring processing, first place the bracket part body 5 on the upper end of the fixture seat 1 so that the welding piece 2 is clamped in the positioning groove 7, and the two positioning screws 3 pass through the two bracket part positioning holes 6 respectively, and then use an external wrench to screw the two first flanged nuts 4 on the outside of the two positioning screws 3 so that the two first flanged nuts 4 are tightly pressed against the bracket part body 5, and then the two second flanged nuts 9 are sleeved on the annular sides of the two fixing screws 8, and then the two pressure plates 81 are sleeved on the outside of the two fixing screws 8 and are located at the upper ends of the two second flanged nuts 9, and then the swinging ends of the two second flanged nuts 9 are placed on the upper side of the bracket part body 5, and then the two third flanged nuts 10 are sleeved on the two fixing The upper end of the screw rod 8 is tightened by an external wrench, and the two second flanged nuts 9 and the two third flanged nuts 10 are screwed downward at the same speed, thereby pushing the two pressure plates 81 downward until the two pressure plates 81 press the bracket part body 5 tightly, and then swing the V-shaped pressure plate 14 counterclockwise, and the V-shaped pressure plate 14 will swing counterclockwise with the rotating shaft 13 as the center, until the threaded fixing rod 15 is movably sleeved in the elliptical groove, and the V-shaped pressure plate 14 is placed on the upper end of the bracket part body 5, and then use an external wrench to tighten the fourth flanged nut 16 on the upper end of the threaded fixing rod 15, so that the fourth flanged nut 16 presses the upper left side of the V-shaped pressure plate 14, thereby forcing the V-shaped pressure plate 14 to press the upper end of the bracket part body 5, and now the bracket part body 5 can be clamped and fixed, so that the external tool can bore the shaft matching mounting hole 51.
[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A fixture for improving the durability of a tool for boring a support part, comprising a fixture seat (1), a support part body (5), a pressure plate (81) and a V-shaped pressure plate (14), characterized in that: A welding plate (2) is welded to the upper end of the clamp seat (1), two positioning screws (3) are longitudinally fixed to the upper end of the clamp seat (1), and bracket part positioning holes (6) are penetrated through the left and right sides of the front end of the bracket part body (5); The left and right sides of the upper end of the clamp seat (1) are longitudinally fixed with fixing screws (8), and the annular side surfaces of the two fixing screws (8) are sleeved with a second flange nut (9) and a third flange nut (10), and two pressing plates (81) are provided, and the two pressing plates (81) are respectively sleeved on the outside of the two fixing screws (8); A threaded fixing rod (15) and a fixing rod (11) are respectively longitudinally fixed at the left and right positions of the rear side of the upper end of the clamp seat (1), a welding ring (12) is installed at the upper end of the fixing rod (11), a rotating shaft (13) is fixed inside the welding ring (12), and an elliptical groove is opened on the left side of the upper left end of the V-shaped pressure plate (14).
2. A fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: A shaft matching installation hole (51) is provided on the upper side of the front end of the bracket component body (5).
3. The fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: A positioning groove (7) is provided at the lower end of the bracket component body (5), and the welding piece (2) is clamped in the positioning groove (7).
4. The fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: The two positioning screws (3) pass through the two bracket component positioning holes (6) respectively, and the two positioning screws (3) are fastened together with the bracket component body (5) through a first flange nut (4).
5. The fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: The two pressing plates (81) are respectively located between the two second flanged nuts (9) and the two third flanged nuts (10), and the two pressing plates (81) both tightly press the bracket part body (5).
6. A fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: The right end of the V-shaped pressing plate (14) is integrally provided with an ear plate, and the ear plate is movably sleeved on the outside of the rotating shaft (13), and the V-shaped pressing plate (14) tightly presses the bracket part body (5).
7. A fixture for improving the durability of a tool for boring a bracket part according to claim 1, characterized in that: The threaded fixing rod (15) is movably sleeved in the elliptical groove, and a fourth flanged nut (16) is sleeved on the outer upper end of the threaded fixing rod (15).