CN221185651U - General fixture convenient to adjust center location height - Google Patents
General fixture convenient to adjust center location height Download PDFInfo
- Publication number
- CN221185651U CN221185651U CN202323248785.8U CN202323248785U CN221185651U CN 221185651 U CN221185651 U CN 221185651U CN 202323248785 U CN202323248785 U CN 202323248785U CN 221185651 U CN221185651 U CN 221185651U
- Authority
- CN
- China
- Prior art keywords
- positioning
- fixture
- clamping
- positioning column
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of aluminum alloy hub processing, and discloses a universal fixture convenient for adjusting the central positioning height, which comprises a fixture main body, wherein a clamping platform is arranged on the fixture main body, a positioning column is movably connected onto the clamping platform, the positioning column vertically penetrates through the clamping platform and has a degree of freedom in the vertical direction relative to the clamping platform, the top end of the positioning column is connected with a positioning round table corresponding to the aperture of a hub central hole, and the positioning column realizes height adjustment through a lifting mechanism so as to adapt to the hub positioning clamping requirements of different rim depths. The utility model solves the problems of complicated operation, time and labor waste of the traditional clamp center positioning lifting adjustment; the operation of manually frequently disassembling the central positioning mandrel for adjustment is omitted, and the service life of the clamp is prolonged; the detachable and replaceable positioning round table ensures the clamping precision of the fixture, ensures the fixture to have certain universality and further saves the manufacturing and management cost of the fixture.
Description
Technical Field
The utility model relates to the technical field of aluminum alloy hub machining, in particular to a universal fixture convenient for adjusting the center positioning height.
Background
After the hub blank is cast, the hub blank needs to be processed by mechanical processing so that the size and the appearance of the blank meet the quality requirements. In the machining process of the numerical control machine tool, the hub is often positioned and clamped through a central positioning mandrel and an axial positioning clamping jaw. When different products are processed, the height of the central positioning mandrel needs to be adjusted so as to meet the positioning and clamping requirements of different wheels.
Currently, the height of the central positioning mandrel is adjusted in a manual adjustment mode on site, and in the adjustment process, an operator needs to repeatedly pick up and put the hub for many times to confirm whether the adjustment height of the positioning mandrel can meet the hub clamping and positioning requirements, so that time and labor are wasted; in addition, the central positioning mandrel is fixedly connected with the chuck through a bolt, and the positioning accuracy and the service life of the positioning structure are affected by frequent disassembly and assembly adjustment; meanwhile, when the wheel types with different central hole diameters are positioned, the whole positioning mandrel is often required to be detached and replaced, the operation is complex, various positioning tools are required to be configured for standby, and the tool manufacturing and management cost is increased.
Based on the above, developing a universal fixture which is convenient for adjusting the center positioning height is a current problem to be solved.
Disclosure of utility model
The utility model aims to solve the problems, and provides a universal fixture convenient for adjusting the center positioning height, so as to solve the problems of complicated center positioning mandrel adjustment operation, time and labor waste in the use process of the conventional positioning fixture, and solve the problems of low service life and no universality of the conventional positioning fixture.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a general fixture convenient to adjust center location height, includes the fixture main part, be provided with the dress card platform in the fixture main part, swing joint has the reference column on the dress card platform, the reference column is vertical runs through the dress card platform to have the degree of freedom of vertical direction for the dress card platform, the top of reference column is connected with the location round platform that corresponds wheel hub centre bore aperture and set up, the reference column passes through elevating system and realizes high regulation, in order to satisfy the wheel hub location dress card demand of different rim degree of depth.
Preferably, a guide base is arranged on the clamping platform, a guide hole is formed in the guide base corresponding to the positioning column, and the positioning column is in sliding fit in the guide hole.
Preferably, the guide base is sleeved with a guide sleeve, the guide sleeve is in sliding fit with the positioning column, and the guide sleeve extends to the lower part of the clamping platform so as to prolong the guide stroke.
Preferably, the lifting mechanism comprises a lifting rack arranged on the positioning column, an adjusting gear is meshed with the lifting rack correspondingly, and the adjusting gear is connected with the motor.
Preferably, the lifting mechanism comprises a driving screw rod, the driving screw rod is connected with a motor, the positioning column is of a hollow tubular structure, a lifting nut is fixedly connected to the positioning column, and the lifting nut is in threaded fit with the driving screw rod.
Preferably, the clamping platform is provided with clamping claws corresponding to the lower edge of the hub, and the clamping claws are distributed along the circumferential array and used for clamping the lower edge of the hub so as to improve the radial positioning accuracy of the hub.
Preferably, the radial positions of the clamping jaws are adjustably connected with the clamping platform.
Preferably, the positioning round table is detachably connected with the positioning column.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, by arranging the lifting mechanism, the lifting mechanism realizes the convenient lifting action of the center positioning column of the clamp, so that the problems of complicated operation, time and labor waste of the center positioning lifting adjustment of the traditional clamp are solved; meanwhile, the lifting mechanism omits the operation of manually frequently disassembling the central positioning mandrel for adjustment, and prolongs the service life of the fixture; the detachable and replaceable positioning round table ensures the clamping precision of the fixture, reduces the maintenance cost of the fixture and further prolongs the service life of the fixture. Meanwhile, when the hubs with different central hole diameters are required to be clamped, the clamping requirements of the hubs with different central hole diameters can be met by replacing the positioning round tables with corresponding diameters, so that the fixture has certain universality, and the manufacturing and management cost of the fixture is further saved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a preferred embodiment of the present utility model.
In the figure: 1- -a clamp body; 2- -a clamping platform; 21—a guide base; 22- -a guide sleeve; 3- -a positioning column; 31- -positioning the round table; 4- -lifting mechanism; 41- -lifting rack; 42—an adjusting gear; 43- -an electric motor; 44- -a drive screw; 45-lifting nut; 46- -anti-rotation ribs; 5- -claw.
Detailed Description
As shown in fig. 1-2, a universal fixture convenient for adjusting the center positioning height comprises a fixture main body 1, wherein a clamping platform 2 for placing a hub to be clamped is arranged on the fixture main body 1, a positioning column 3 is movably connected to the clamping platform 2, and the positioning column 3 vertically penetrates through the clamping platform and has a degree of freedom in the vertical direction relative to the clamping platform. The top of reference column 3 is connected with the location round platform 31 that corresponds the wheel hub centre bore aperture and sets up, location round platform 31 and wheel hub centre bore shaft hole cooperation. The positioning column 3 realizes the height adjustment in the vertical direction through the lifting mechanism 4 so as to meet the requirements of positioning and clamping hubs with different rim depths.
When in use, the hub to be clamped is placed on the clamping platform 2, and the center hole of the hub is inserted into the positioning round table 31, so that the center positioning of the hub is completed. When the hubs with different rim depths are positioned and clamped, the height adjustment of the positioning column 3 and the positioning round table 31 is completed through the lifting mechanism 4, and the positioning column is inserted into the central hole of the hub to complete the central positioning of different wheel types. When the height of the positioning round table 31 is adjusted in the embodiment, the hub to be clamped is placed on the clamping platform 2, the hub center hole is only required to be aligned with the positioning round table 31, the lifting mechanism 4 is controlled to enable the positioning round table to extend into the hub center hole, and inconvenience of repeated carrying, loading and unloading of the hub for height adjustment of the positioning round table 31 by operators in the traditional adjusting process is avoided.
In order to improve the action precision of the positioning column 3 in the vertical direction, a guide base 21 is arranged on the clamping platform 2, a guide hole is formed in the guide base 21 corresponding to the positioning column 3, and the positioning column 3 is in sliding fit in the guide hole. The action precision of the positioning column 3 is improved through the guiding action of the guiding holes, and the positioning precision of the fixture is further guaranteed.
Preferably, as shown in fig. 1, the guide base 21 may be further sleeved with a guide sleeve 22, where the guide sleeve 22 is slidably matched with the positioning column 3, in this embodiment, the guide sleeve 22 may extend below the clamping platform, so as to prolong the guide stroke and further improve the action accuracy of the positioning column 3.
As a preferred embodiment, as shown in fig. 1, the lifting mechanism 4 realizes lifting adjustment of the positioning column 3 and the positioning round table 31 by means of matching a gear and a rack. Specifically, the lifting mechanism 4 includes a lifting rack 41 disposed on the positioning column 3, an adjusting gear 42 is meshed with the lifting rack 41, and lifting movement of the meshing rack is achieved by rotating the adjusting gear 42, so that lifting actions of the positioning column 3 and the positioning round table 31 are achieved. The adjusting gear 42 is connected with a motor 43 to provide the rotation power of the adjusting gear 42.
As another embodiment of the universal fixture for conveniently adjusting the positioning height of the center, as shown in fig. 2, the lifting mechanism 4 realizes the lifting adjustment of the positioning column 3 and the positioning round table 31 through a transmission mode of threaded fit. Specifically, the lifting mechanism 4 comprises a driving screw 44, the driving screw 44 is connected with a motor 43, the positioning column 3 is of a hollow tubular structure, a lifting nut 45 is fixedly connected to the positioning column 3, the lifting nut 45 is in threaded fit with the driving screw 44, and the lifting action of the nut in threaded connection with the driving screw 44 is realized through rotation of the driving screw 44, so that the purpose of lifting the positioning column 3 and the positioning round table 31 is achieved. In this embodiment, the outer shape of the positioning column 3 may be prismatic or cylindrical, and when the positioning column 3 is cylindrical, an anti-rotation structure for limiting rotation of the positioning column 3 needs to be disposed on the outer wall of the positioning column 3, so that when lifting motion is avoided, the positioning column 3 rotates synchronously along with the driving screw 44, and lifting motion is affected. The anti-rotation structure can be an anti-rotation rib 46 vertically arranged on the outer wall of the position 3, and the anti-rotation rib 46 is in sliding fit with an anti-rotation groove formed in the clamping platform 2 in the vertical direction. Compared with the previous embodiment, in this embodiment, the lifting of the positioning column 3 and the positioning round table 31 is realized by a threaded fit mode, so that the positioning column 3 is provided with a high self-locking function, and retraction of the positioning column 3 can be effectively prevented.
Preferably, the clamping platform 2 is provided with clamping claws 5 corresponding to the wheel lip positions of the lower edge of the wheel hub, and the clamping claws 5 are circumferentially arranged in an array manner and used for clamping the lower edge of the wheel hub and improving the radial positioning accuracy of the wheel hub. Further, the clamping platform 2 is connected to the radial position of the clamping claw 5 in an adjustable mode, and when hubs with different radial sizes are clamped, positioning clamping of different wheels can be adapted through adjusting the positions of the clamping claw 5 on the clamping platform 2.
Preferably, the positioning round table 31 is detachably connected with the positioning column 3, when the positioning round table 31 is poor in positioning precision due to abrasion and collision, the new positioning round table 31 is convenient to replace, so that the clamping precision of the fixture is kept, the service life is prolonged, and the maintenance cost of the fixture is reduced. Meanwhile, when the hubs with different central hole diameters are required to be clamped, the clamping requirements of the hubs with different central hole diameters can be met by replacing the positioning round table 31 with corresponding diameters, so that the fixture has certain universality, and the manufacturing and management cost of the fixture is further saved. Preferably, the positioning round table 31 is detachably connected with the positioning column 3 through threaded fit.
The foregoing disclosure is merely illustrative of specific embodiments of this patent and this patent is not to be construed as limiting, since modifications will be apparent to those skilled in the art without departing from the principles of the utility model.
Claims (8)
1. General fixture convenient to adjust center location height, its characterized in that: including fixture main part (1), be provided with dress card platform (2) on fixture main part (1), swing joint has reference column (3) on dress card platform (2), reference column (3) are vertical to run through dress card platform to have the degree of freedom of vertical direction for dress card platform, the top of reference column (3) is connected with location round platform (31) that corresponds wheel hub centre bore aperture and set up, reference column (3) are through elevating system (4) realization altitude mixture control to satisfy the wheel hub location dress card demand of different rim depths.
2. A universal fixture for facilitating adjustment of a centering height as defined in claim 1, wherein: the clamping platform (2) is provided with a guide base (21), the guide base (21) is provided with a guide hole corresponding to the positioning column (3), and the positioning column (3) is in sliding fit in the guide hole.
3. A universal fixture for facilitating adjustment of centering height as claimed in claim 2, wherein: the guide base (21) is sleeved with a guide sleeve (22), the guide sleeve (22) is in sliding fit with the positioning column (3), and the guide sleeve (22) extends to the lower part of the clamping platform so as to prolong the guide stroke.
4. A universal fixture for facilitating adjustment of a centering height as defined in claim 1, wherein: the lifting mechanism (4) comprises a lifting rack (41) arranged on the positioning column (3), an adjusting gear (42) is meshed with the lifting rack (41), and the adjusting gear (42) is connected with a motor (43).
5. A universal fixture for facilitating adjustment of a centering height as defined in claim 1, wherein: the lifting mechanism (4) comprises a driving screw (44), the driving screw (44) is connected with a motor (43), the positioning column (3) is of a hollow tubular structure, a lifting nut (45) is fixedly connected to the positioning column (3), and the lifting nut (45) is in threaded fit with the driving screw (44).
6. A universal fixture for facilitating adjustment of a centering height as defined in claim 1, wherein: the clamping platform (2) is provided with clamping claws (5) corresponding to the lower edge of the hub, and the clamping claws (5) are distributed along a circumferential array and used for clamping the lower edge of the hub so as to improve the radial positioning accuracy of the hub.
7. A universal fixture for facilitating adjustment of a centering height as defined in claim 6, wherein: the radial position of the clamping claw (5) is adjustably connected with the clamping platform (2).
8. A universal fixture for facilitating adjustment of centering height as claimed in any one of claims 1-7, wherein: the positioning round table (31) is detachably connected with the positioning column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248785.8U CN221185651U (en) | 2023-11-30 | 2023-11-30 | General fixture convenient to adjust center location height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248785.8U CN221185651U (en) | 2023-11-30 | 2023-11-30 | General fixture convenient to adjust center location height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221185651U true CN221185651U (en) | 2024-06-21 |
Family
ID=91517241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323248785.8U Active CN221185651U (en) | 2023-11-30 | 2023-11-30 | General fixture convenient to adjust center location height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221185651U (en) |
-
2023
- 2023-11-30 CN CN202323248785.8U patent/CN221185651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211052522U (en) | Lathe convenient to center | |
| CN215033734U (en) | Chuck with adjustable clamping length for machine tool | |
| CN113199133A (en) | Angle-adjustable conical cylinder annular seam friction stir welding device and welding method | |
| CN216096832U (en) | High strength is chasing bar for rear axle wheel hub processing | |
| CN110064901B (en) | Bearing machining process | |
| CN221185651U (en) | General fixture convenient to adjust center location height | |
| CN212683122U (en) | Turning and polishing integrated machine for numerical control machining | |
| CN219152106U (en) | Novel turning and grinding dual-purpose combined machine tool | |
| CN211219775U (en) | Positioning tool for bearing machining | |
| CN208496406U (en) | A kind of lathe processes the fixture of elongated annular thin wall part | |
| CN217991776U (en) | Automatic positioning device for industrial robot machining | |
| CN214161640U (en) | Chamfering device for inner hole of circular tube | |
| CN111097940A (en) | Rotary type bearing automatic processing equipment | |
| CN214921355U (en) | Circular seam friction stir welding device | |
| CN215942154U (en) | Positioning fixture for machining | |
| CN213052810U (en) | Radial drilling machine | |
| CN210450996U (en) | Machining equipment for spherical workpieces | |
| CN210386286U (en) | Brake disc spraying rotating table with high-precision positioning function | |
| CN218192582U (en) | Special equipment for automatically turning metal ball flash | |
| CN219026082U (en) | Industrial workpiece cutting device | |
| CN206122715U (en) | Walk scheming | |
| CN220312972U (en) | Bearing ring polishing device | |
| CN220007489U (en) | Hub processing and positioning device | |
| CN221210242U (en) | 3D scanning prints laser sculpture all-in-one | |
| CN218984280U (en) | Grinding equipment device for replacing grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |