CN214538362U - A test clamping device for wheel hub balancing machine - Google Patents
A test clamping device for wheel hub balancing machine Download PDFInfo
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- CN214538362U CN214538362U CN202023289484.6U CN202023289484U CN214538362U CN 214538362 U CN214538362 U CN 214538362U CN 202023289484 U CN202023289484 U CN 202023289484U CN 214538362 U CN214538362 U CN 214538362U
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Abstract
The utility model discloses a test clamping device for balanced machine of wheel hub. The upper cover plate is arranged on the clamp base, the clamp base is provided with a central through hole, the jacking cone is movably arranged in the central through hole of the clamp base in a penetrating way, the upper end of the jacking cone is of a cone structure, the slide block guide piece is fixed on the top surface of the clamp base, and the top surface of the slide block guide piece is provided with an inverted T-shaped guide rail groove and is provided with a slide block in a sliding way; the sliding block is provided with an inner protruding structure, the inner protruding structure penetrates out of the upper cover plate, the outer side surface of the inner protruding structure is an arc cylindrical surface, and the inner protruding structure continuously forms an arc conical surface; the outer side surface of each sliding block is connected with a spring guide rod through a spring; an oil injection groove is formed between the slide block and the inverted T-shaped guide rail groove. The utility model discloses a last inverted T type groove guide of slider guide removes, has spacing not received axial atress when the wheel hub work piece is by the centre gripping, has guaranteed the stability of anchor clamps centre gripping, and portable stroke is big, and the lubricity is good.
Description
Technical Field
The utility model relates to a clamping device especially relates to a test clamping device for balanced machine of wheel hub.
Background
The competition of the aluminum alloy hub industry promotes technical innovation, the access standard of high-end hubs is improved, the requirements for the detection precision and stability of hub dynamic balance and runout detection equipment are higher and higher, so that equipment fixtures have higher requirements, particularly, a test fixture used on a mixed line production line needs to adapt to different wheel types, the working condition is complex, in the prior art, when a moving part inside the fixture clamps a hub workpiece, the moving part can contact an upper cover plate to deform the hub workpiece under stress, and the precision and stability of the fixture are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the background art, the utility model provides a test clamping device for wheel hub balancing machine.
The utility model adopts the technical proposal that:
the upper cover plate is arranged on the clamp base, an installation inner cavity is formed between the upper cover plate and the clamp base, and a sliding block guide piece, a sliding block, a spring and a spring guide rod are arranged in the installation inner cavity; the fixture base is provided with a central through hole, the jacking cone is movably arranged in the central through hole of the fixture base in a penetrating way, the end part of the upper end of the jacking cone, which extends out of the central through hole of the fixture base, is processed into a cone structure, the slide block guide piece is fixed on the top surface of the fixture base, the top surface of the slide block guide piece around the upper end of the jacking cone is processed with a plurality of inverted T-shaped guide rail grooves which are uniformly distributed at intervals along the circumference, each inverted T-shaped guide rail groove is arranged along the radial direction, and a slide block is arranged in each inverted T-shaped guide rail groove in a sliding way; the top of one horizontal end of the jacking cone, close to the sliding block, extends upwards in an inclined mode to form an inner protruding structure, the inner protruding structure penetrates through the upper cover plate, the outer side face of the inner protruding structure is an arc cylindrical surface, and the arc cylindrical surface is used for tensioning a hub workpiece to support when the inner protruding structure is opened; the inner side surface of the inner protruding structure and the inner side surface of the sliding block are continuous and form an arc conical surface; the arc cylindrical surfaces of the sliding blocks are positioned on the same cylindrical surface, and the arc conical surfaces corresponding to the sliding blocks are positioned on the same conical surface; the outer side surface of each sliding block is connected with a spring guide rod through a spring, and the outer end of the spring guide rod is arranged in a threaded hole formed in the upper cover plate through threads; an oil storage groove is formed in the bottom surface of the sliding block, the oil storage groove is formed in the bottom of the sliding block, an oil inlet and an oil outlet are formed in the side surface of the sliding block guide piece outside each inverted T-shaped guide rail groove, a pipeline passage for connecting the oil storage groove and the oil inlet and the oil outlet is formed in the sliding block guide piece, and an oil nozzle is installed at the oil inlet and the oil outlet; the bottom of each side face of the sliding block is provided with an inverted T-shaped oil storage groove, the inverted T-shaped oil storage grooves on the two side faces are communicated with each other through a horizontal pipeline, the horizontal pipeline is communicated with the oil storage grooves through a vertical pipeline, oil is injected from an oil nozzle, enters the oil storage grooves through a pipeline passage and then enters the horizontal pipeline, and enters the inverted T-shaped oil storage grooves through the horizontal pipeline, so that the bottom face of the sliding block, the side faces of the bottom of the sliding block and the surfaces of steps in the inverted T-shaped guide rail grooves are lubricated.
The side surface of each sliding block close to the hub workpiece is an inner side surface, the inner side surface is an inclined surface, and the inner side surface of each sliding block is in line contact with the jacking cone. And line contact is realized more easily.
The side surface of each sliding block close to the hub workpiece is an inner side surface, the inner side surface is an inclined surface, the conical surface of the jacking cone is changed into an octagonal inclined surface, the inner side surface of each sliding block is in contact with the corresponding jacking conical surface, and stability is achieved through a surface contact structure.
The size of the conical surface of the jacking conical cone structure is consistent with that of the conical surface formed by the arc conical surfaces corresponding to the sliding blocks.
The oil nozzle is connected with an external oil source through a pipe, and the pipe penetrates through a through groove formed in the bottom of the upper cover plate.
The bottom of the jacking cone is movably arranged in the clamp base in a way of moving up and down in the axial direction through the guide sleeve.
The bottom of the jacking cone is connected with an external power mechanism, and the power mechanism drives the jacking cone to axially move up and down along the central through hole of the clamp base.
And the top end of the cone structure of the jacking cone is provided with a guide block through a locking nut.
The outer peripheral surface of the top of the guide block is provided with a conical guide surface, so that the guide block has a guide effect on the action of placing a hub workpiece on the upper surface of the clamp, and particularly has an obvious guide effect when the size of an inner hole of the hub is close to the size of the guide block of the clamp.
The utility model discloses slider removal spigot surface is close with work piece centre gripping plane (be the outer face of cylinder of slider) distance, consequently when centre gripping work piece, and the work piece gives the overturning moment of slider little, slides in the same direction as smooth, long service life.
The utility model discloses a circular cone cooperation structure between jacking circular cone and the slider has combined the radial guide rail structure in type of falling T guide rail groove to make, during jacking circular cone actuating motion, the slider only can be along radial motion, and the atress of wheel hub work piece is limited only in radial support direction, has avoided the axial atress of wheel hub work piece.
The utility model has the advantages that:
the utility model discloses a moving part (slider) is through the direction removal of the type groove of falling T on the slider guide, and direct contact upper cover plate is not, consequently can not influence the plane degree of upper cover plate, has spacing not received axial atress when the wheel hub work piece is by the centre gripping, has guaranteed the stability of anchor clamps centre gripping.
The utility model discloses a portable stroke of motion part (slider) is big, consequently the wheel hub work piece of adaptable great size scope. The utility model discloses be equipped with the oiling groove of multichannel circulation between slider and the slider guide, this has ensured part complex lubricity, and then has strengthened the stability that anchor clamps used.
Drawings
Fig. 1 is a sectional view of the whole installation of the utility model.
Fig. 2 is an exploded view of the whole installation of the present invention.
Fig. 3 is a schematic view of the slider of the present invention.
Fig. 3 (a) is a bottom view of the slider of the present invention.
Fig. 3 (b) is a side view of the slider of the present invention.
FIG. 3 (c) is a view A-A of FIG. 3 (b).
Fig. 4 is a schematic view of the state of clamping the workpiece according to the present invention.
In the figure: 1. the device comprises a sliding block, 2, a clamp base, 3, a sliding block guide piece, 4, an upper cover plate, 5, a jacking cone, 6, a guide block, 7, a spring guide rod, 8, a spring, 9, a guide sleeve, 10, an oil nozzle, 11 and a locking nut; the device comprises an oval oil storage tank 1.1, a horizontal pipeline 1.2.2, a vertical pipeline 1.1.1, an inverted T-shaped oil storage tank 1.2, a pipeline passage 3.1, a hub workpiece 12, an inner hole 12.1 and a guide inclined plane 12.1.1.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the upper cover plate 4 is installed on the fixture base 2, an installation cavity is formed between the upper cover plate 4 and the fixture base 2, the slider guide 3, the slider 1, the spring 8 and the spring guide rod 7 are installed in the installation cavity, and an elastic sliding assembly is formed by the slider 1, the spring 8 and the spring guide rod 7.
The fixture base 2 is provided with a central through hole, the jacking cone 5 is movably arranged in the central through hole of the fixture base 2 in a penetrating way, specifically, the bottom of the jacking cone 5 can be movably arranged in the fixture base 2 in an up-and-down axial moving way through a guide sleeve 9, the end part of the upper end of the jacking cone 5 after extending out of the central through hole of the fixture base 2 is processed into a cone structure, the slide block guide part 3 is fixed on the top surface of the fixture base 2 through a screw, the top surface of the slide block guide part 3 around the upper end of the jacking cone 5 is processed with a plurality of inverted T-shaped guide rail grooves which are uniformly distributed at intervals along the circumference, in the concrete implementation, 8 inverted T-shaped guide rail grooves which horizontally face the circle center are arranged, each inverted T-shaped guide rail groove is radially arranged, a slide block 1 is slidably arranged in each inverted T-shaped guide rail groove, the slide block 1 is an inverted T-shaped slide block, and 8 inverted T-shaped slide blocks 1 are loaded in along the guide rail grooves.
The bottom of the jacking cone 5 is connected with an external power mechanism, and the power mechanism drives the jacking cone 5 to axially move up and down along the central through hole of the clamp base 2.
The top end of the cone structure of the jacking cone 5 is provided with a guide block 6 through a locking nut 11. The middle part of the jacking cone 5 is in a cone shape, the top of the cone is provided with a cylindrical structure thinner than the top surface of the cone, and the guide block 6 is sleeved at the cylindrical structure. The diameter of the guide block 6 is larger than that of the top end of the cone structure to form a step surface, and the top surface of the inner protruding structure is connected with the step surface in an attached mode.
The outer peripheral surface of the top of the guide block 6 is provided with a conical guide surface, so that the guide function is realized on the action of placing a hub workpiece on the upper surface of the clamp, and particularly, the guide function is obvious when the size of an inner hole of the hub is close to the size of the guide block 6 of the clamp.
The top of one horizontal end of the sliding block 1, which is close to the jacking cone 5, extends upwards in an inclined manner to form an inner protruding structure, the inner protruding structure penetrates out of the upper cover plate 4, the outer side surface of the inner protruding structure is an arc cylindrical surface, and the arc cylindrical surface is used for tensioning a hub workpiece support when the inner protruding structure is opened; the inner side surface of the inner convex structure and the inner side surface of the sliding block 1 continuously form an arc conical surface; the size of the conical surface of the conical structure of the jacking cone 5 is consistent with that of the conical surface formed by the corresponding arc conical surfaces of the sliding blocks 1, so that conical surface matching is formed. The arc cylindrical surfaces of the sliding blocks 1 are positioned on the same cylindrical surface, and the corresponding arc conical surfaces of the sliding blocks 1 are positioned on the same conical surface with a small upper part and a large lower part; the outer side surface of each sliding block 1 is connected with a spring guide rod 7 through a spring 8, and the outer end of the spring guide rod 7 is installed in a threaded hole formed in the upper cover plate 4 through threads.
An oval oil storage groove 1.1 is arranged between the slide block 1 and the inverted T-shaped guide rail groove of the slide block guide part 3, the bottom surface of the slide block 1 is provided with the oval oil storage groove 1.1, the bottom of the slide block 1 is provided with the oval oil storage groove 1.1, the side surface of the slide block guide part 3 outside each inverted T-shaped guide rail groove is provided with an oil inlet and outlet, a pipeline passage 3.1 for connecting the oval oil storage groove 1.1 and the oil inlet and outlet is arranged in the slide block guide part 3, the pipeline passage 3.1 is used for communicating the oil inlet and outlet and the oval oil storage groove 1.1, and an oil nozzle 10 is arranged at the oil inlet and outlet; the oil nipple 10 is connected with an external oil source through a pipe, and the pipe penetrates through a through groove formed in the bottom of the upper cover plate 4. After the oil nozzle 10 is connected to the oil inlet and outlet, the upper cover plate 4 is covered.
As shown in fig. 3, the bottom of the two side surfaces of the slider 1 along the direction of the inverted T-shaped guide rail groove is provided with inverted T-shaped oil storage grooves 1.2, the upper ends of the inverted T-shaped oil storage grooves 1.2 are communicated with the slider 1 for being used on the step surface matched with the inverted T-shaped guide rail groove, the inverted T-shaped oil storage grooves 1.2 on the two side surfaces are communicated through horizontal pipelines 1.2.2, the horizontal pipelines 1.2.2 are communicated with the oval oil storage grooves 1.1 through vertical pipelines 1.1.1, oil is injected from an oil nozzle 10 through pipelines 3.1 and enters the oval oil storage grooves 1.1, then enters the horizontal pipelines 1.2.2 through the vertical pipelines 1.1, and enters the inverted T-shaped oil storage grooves 1.2 through the horizontal pipelines 1.2, so that the bottom surface, the bottom side surfaces and the step surfaces in the inverted T-shaped guide rail groove of the slider 1 are lubricated. When the jacking cone 5 is positioned at the lowest end, oil is injected into the oil nozzle 10, and the jacking cone 5 is pulled up and down to achieve a smooth state.
The outer end of the spring guide rod 7 is a thick shaft end, the inner end of the spring guide rod is a slender shaft end, the thick shaft end and the slender shaft end are coaxial, an external thread is arranged at the thick shaft end, the spring 8 is sleeved at the slender shaft end of the spring guide rod 7, the slender shaft end penetrates through a threaded hole in the outer side of the upper cover plate 4, the external thread on the thick shaft of the spring guide rod 7 is matched and locked with the threaded hole of the upper cover plate 4, and the spring is limited between an inner hole formed in the outer side surface of the sliding block 1 and a step between the thick shaft end of the spring guide rod 7 and the slender shaft end.
The penetrating direction of the spring guide rod 7 is parallel to the direction of the inverted T-shaped guide rail groove on the slide block guide piece 3, and the spring guide rod and the inverted T-shaped guide rail groove are horizontally arranged towards the circle center. The top of the upper cover plate 4 is provided with a gear type through groove, and a gap is reserved between the sliding block 1 and the upper cover plate 4.
The utility model discloses a concrete operating condition is:
install in wheel hub balancing machine the utility model discloses a structure, wheel hub work piece 12 is placed on wheel hub balancing machine, is located on upper cover plate 4.
In the initial situation, the jacking cone 5 is located at the bottommost part, and each slide block 1 is driven by the respective spring 8 to move to the radial position closest to the center.
As shown in fig. 4, the jacking cone 5 is driven by the driving structure to be driven by an upward jacking force and then move upwards, after the jacking cone 5 contacts the sliding block 1, the sliding block 1 is tightly attached to the conical part of the jacking cone 5, due to the matching effect of the cones, the sliding block 1 overcomes the elastic force of the spring 8 in the sliding block guide part 3 and slides outwards, the eight sliding blocks 1 are uniformly stressed and separated and spread, and are contacted with the inner hole 12.1 of the hub workpiece 12, and the purpose of clamping the hub workpiece 12 is achieved.
When the jacking cones 5 move to the top, the cylindrical surface diameter of the inner hole 12.1 formed by the inner protruding structures of the eight sliding blocks 1 and used for clamping the hub workpiece 12 is the largest.
In specific implementation, a guide inclined plane 12.1.1 is arranged at the lower edge of an inner hole 12.1 of the hub workpiece 12, and the guide inclined plane 12.1.1 is used for smooth guide when the sliding block 1 enters.
The non-working state is as follows:
the jacking cone 5 is pulled downwards, the position is at the lowest end of the stroke, the sliding blocks 1 are compressed inwards and closed due to the spring force of the springs 8, and the diameter of a cylindrical surface of an inner hole 12.1 formed by the inner protruding structures of the eight sliding blocks 1 and used for clamping a hub workpiece 12 is the smallest.
Claims (10)
1. The utility model provides a test clamping device for wheel hub balancing machine which characterized in that: the upper cover plate (4) is arranged on the clamp base (2), an installation inner cavity is formed between the upper cover plate (4) and the clamp base (2), and a sliding block guide piece (3), a sliding block (1), a spring (8) and a spring guide rod (7) are arranged in the installation inner cavity; the fixture base (2) is provided with a central through hole, the jacking cone (5) is movably arranged in the central through hole of the fixture base (2) in a penetrating way, the end part of the upper end of the jacking cone (5) extending out of the central through hole of the fixture base (2) is processed into a cone structure, the slide block guide (3) is fixed on the top surface of the fixture base (2), the top surface of the slide block guide (3) around the upper end of the jacking cone (5) is processed with a plurality of inverted T-shaped guide rail grooves which are uniformly distributed at intervals along the circumference, each inverted T-shaped guide rail groove is arranged along the radial direction, and a slide block (1) is arranged in each inverted T-shaped guide rail groove in a sliding way; the top of one horizontal end of the sliding block (1) close to the jacking cone (5) extends upwards in an inclined mode to form an inner protruding structure, the inner protruding structure penetrates through the upper cover plate (4), the outer side face of the inner protruding structure is an arc cylindrical surface, and the arc cylindrical surface is used for tensioning a hub workpiece to support when the hub workpiece is opened; the inner side surface of the inner convex structure and the inner side surface of the sliding block (1) are continuous and form an arc conical surface; the arc cylindrical surfaces of the sliding blocks (1) are positioned on the same cylindrical surface, and the corresponding arc conical surfaces of the sliding blocks (1) are positioned on the same conical surface; the outer side surface of each sliding block (1) is connected with a spring guide rod (7) through a spring (8), and the outer end of the spring guide rod (7) is installed in a threaded hole formed in the upper cover plate (4) through threads; the oil storage tank (1.1) is arranged on the bottom surface of the sliding block (1), the oil storage tank (1.1) is arranged at the bottom of the sliding block (1), an oil inlet and outlet is formed in the side surface of the sliding block guide piece (3) on the outer side of each inverted T-shaped guide rail groove, a pipeline passage (3.1) for connecting the oil storage tank (1.1) and the oil inlet and outlet is formed in the sliding block guide piece (3), and an oil nozzle (10) is arranged at the oil inlet and outlet.
2. The test fixture device for the hub balancing machine of claim 1, wherein: the bottom of each side face of the sliding block (1) is provided with an inverted T-shaped oil storage groove (1.2), the inverted T-shaped oil storage grooves (1.2) on the two side faces are communicated with each other through a horizontal pipeline (1.2.2), the horizontal pipeline (1.2.2) is communicated with the oil storage grooves (1.1) through a vertical pipeline (1.1.1), oil is injected from an oil nozzle (10), enters the oil storage grooves (1.1) through a pipeline passage (3.1), then enters the horizontal pipeline (1.2.2) through the vertical pipeline (1.1.1), and enters the inverted T-shaped oil storage grooves (1.2) through the horizontal pipeline (1.2.2), so that the bottom face, the bottom side face and the step surfaces in the inverted T-shaped guide rail grooves of the sliding block (1) are lubricated.
3. The test fixture device for the hub balancing machine of claim 1, wherein: the side surface of each sliding block (1) close to the hub workpiece is an inner side surface, the inner side surface is an inclined surface, and the inner side surface of each sliding block (1) is in line contact with the jacking cone (5).
4. The test fixture device for the hub balancing machine of claim 1, wherein: the side surface of each sliding block (1) close to the hub workpiece is an inner side surface, the inner side surface is an inclined surface, the conical surface of the jacking cone (5) is changed into an octagonal inclined surface, and the inner side surface of each sliding block (1) is in surface contact with the jacking cone (5).
5. The test fixture device for the hub balancing machine of claim 1, wherein: the size of the conical surface of the conical structure of the jacking cone (5) is consistent with that of the conical surface formed by the corresponding arc conical surfaces of the sliding blocks (1).
6. The test fixture device for the hub balancing machine of claim 2, wherein: the oil nozzle (10) is connected with an external oil source through a pipe, and the pipe penetrates through a through groove formed in the bottom of the upper cover plate (4).
7. The test fixture device for the hub balancing machine of claim 1, wherein: the bottom of the jacking cone (5) is movably arranged in the clamp base (2) in a way of moving up and down in the axial direction through a guide sleeve (9).
8. The test fixture device for the hub balancing machine of claim 1, wherein: the bottom of the jacking cone (5) is connected with an external power mechanism, and the power mechanism drives the jacking cone (5) to axially move up and down along the central through hole of the clamp base (2).
9. The test fixture device for the hub balancing machine of claim 1, wherein: the top end of the cone structure of the jacking cone (5) is provided with a guide block (6) through a locking nut (11).
10. The test fixture for a wheel hub balancing machine of claim 9, wherein: the conical guide surface is arranged on the outer peripheral surface of the top of the guide block (6), so that the guide function is realized on the action that a hub workpiece is placed on the upper surface of the clamp, and particularly, the guide function is obvious when the size of an inner hole of the hub is close to that of the guide block (6) of the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023289484.6U CN214538362U (en) | 2020-12-30 | 2020-12-30 | A test clamping device for wheel hub balancing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023289484.6U CN214538362U (en) | 2020-12-30 | 2020-12-30 | A test clamping device for wheel hub balancing machine |
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| Publication Number | Publication Date |
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| CN214538362U true CN214538362U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023289484.6U Active CN214538362U (en) | 2020-12-30 | 2020-12-30 | A test clamping device for wheel hub balancing machine |
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| CN (1) | CN214538362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729677A (en) * | 2020-12-30 | 2021-04-30 | 杭州集智机电股份有限公司 | Test clamping device for hub balancing machine |
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2020
- 2020-12-30 CN CN202023289484.6U patent/CN214538362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729677A (en) * | 2020-12-30 | 2021-04-30 | 杭州集智机电股份有限公司 | Test clamping device for hub balancing machine |
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