CN209986600U - Precise pneumatic clamp for transmission hub - Google Patents
Precise pneumatic clamp for transmission hub Download PDFInfo
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- CN209986600U CN209986600U CN201920484774.4U CN201920484774U CN209986600U CN 209986600 U CN209986600 U CN 209986600U CN 201920484774 U CN201920484774 U CN 201920484774U CN 209986600 U CN209986600 U CN 209986600U
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- wheel hub
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- transmission wheel
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Abstract
The utility model discloses a precise pneumatic clamp for a transmission wheel hub, which comprises a bottom plate horizontally arranged, wherein a prepositioning column is vertically fixed on a placing platform, three sliding blind grooves are uniformly distributed on the outer circumferential surface of the prepositioning column, a limiting groove is formed at the top end of the prepositioning column corresponding to the sliding blind grooves, a spring mounting blind hole is formed on the inner wall of the limiting groove along the radial direction of the prepositioning column, and an extrusion plate is horizontally and movably connected in the sliding blind groove; utility model's beneficial effect: the utility model discloses simple structure is through the hole department design reference column in advance at transmission wheel hub to be provided with the stripper plate on the top of predetermined post, utilize the holding down force of stripper plate lower oblique angle, can prevent effectively that transmission wheel hub from producing the slope when step up, guarantee transmission wheel hub's machining's compactness, reduce the rejection rate, guarantee product quality, improve the stability of production, be fit for using widely on a large scale.
Description
The technical field is as follows:
the utility model relates to a wheel hub's precision machining technical field especially relates to a precise pneumatic fixture for driving wheel hub.
Background art:
in the existing hub machining technology, the lower bottom surface of the hub is generally used as a positioning surface in the axial direction, then a fixed V block is adopted to position the hub in the radial direction, and a cylinder is used for driving a movable V block to clamp and fix the hub; during operation, an operator leans on the outer circumferential surface of the hub to fix the V-shaped block tightly, the bottom surface of the hub is adhered to the clamp platform tightly, then the cylinder is started to clamp the hub tightly, in the process, due to the fact that the workload of the operator is large or the operator is tired, and the like, and due to the fact that no special fool-proofing device is provided, it is difficult to guarantee that the outer circumferential surface of each hub leans on the fixed V-shaped block tightly when the hub is clamped, when the pneumatic cylinder clamps the hub, due to the fact that the hub does not have an acting point in the radial direction, the hub can incline after clamping, waste products are generated due to the fact that the position degree and the verticality deviation of a milling groove are large, the product quality is greatly influenced, the rejection rate is high, the.
The utility model has the following contents:
an object of the utility model is to provide an accurate pneumatic fixture for driving wheel hub.
The content of the utility model is as follows: a precise pneumatic clamp for a transmission wheel hub comprises a horizontally arranged bottom plate, a cylinder frame is vertically and fixedly arranged on the bottom plate, a cylinder is horizontally and fixedly arranged on the cylinder frame, a movable V block is horizontally hinged on a piston rod of the cylinder, a fixed V block is horizontally arranged on the fixed V block, the fixed V block and the movable V block are oppositely arranged, the fixed V block is fixedly arranged on a horizontally arranged placing platform, the placing platform is fixedly arranged on the bottom plate, a pre-positioning column is vertically and fixedly arranged on the placing platform, three sliding blind grooves are uniformly distributed on the outer circumferential surface of the pre-positioning column, a limiting groove is formed at the top end of the pre-positioning column corresponding to the sliding blind grooves, a spring mounting blind hole is formed in the inner wall of the limiting groove along the radial direction of the pre-positioning column, and an extrusion plate is horizontally and movably connected in the sliding blind grooves, a limiting column is vertically and upwards fixed on the extrusion plate, the outer circumferential surface of the limiting column is in sliding connection with the inner wall of the limiting groove, a compression spring is horizontally installed in the limiting groove, one end of the compression spring is located in the spring installation blind hole, the other end of the compression spring is in contact with the limiting column, a circular arc upper oblique angle is arranged on the outer end of the extrusion plate, and a circular arc lower oblique angle is arranged below the outer end of the extrusion plate; when transmission wheel hub's hole axis with the axis collineation of reference column in advance and transmission wheel hub's lower bottom surface level are placed when laying on the platform, fixed V piece the interior clamping face with transmission wheel hub's outer periphery is tangent, transmission wheel hub's hole go up along with the cambered surface at oblique angle contacts down.
Furthermore, a guide angle is formed on the upper edge of the inner clamping surface of the fixed V block.
The utility model has the advantages that: the utility model discloses simple structure is through the hole department design reference column in advance at transmission wheel hub to be provided with the stripper plate on the top of predetermined post, utilize the holding down force of stripper plate lower oblique angle, can prevent effectively that transmission wheel hub from producing the slope when step up, guarantee transmission wheel hub's machining's compactness, reduce the rejection rate, guarantee product quality, improve the stability of production, be fit for using widely on a large scale.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is an enlarged view of part B of FIG. 2;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 2;
in the figure, a bottom plate 1, a cylinder frame 2, a cylinder 3, a movable V block 4, a fixed V block 5, a placing platform 6, a pre-positioning column 7, a sliding blind groove 8, a limiting groove 9, a spring mounting blind hole 10, an extrusion plate 11, a limiting column 12, a compression spring 13, an upper bevel 14, a lower bevel 15, a guide angle 16 and a transmission hub 17.
The specific implementation mode is as follows:
as shown in fig. 1 to 4, a precise pneumatic clamp for a transmission hub comprises a horizontally arranged bottom plate 1, a cylinder frame 2 is vertically and fixedly arranged on the bottom plate 1, a cylinder 3 is horizontally and fixedly arranged on the cylinder frame 2, a movable V block 4 is horizontally hinged on a piston rod of the cylinder 3, a fixed V block 5 is also horizontally arranged, the fixed V block 5 is arranged opposite to the movable V block 4, the fixed V block 5 is fixedly arranged on a horizontally arranged placing platform 6, the placing platform 6 is fixedly arranged on the bottom plate 1, a pre-positioning column 7 is vertically fixed on the placing platform 6, three sliding blind grooves 8 are uniformly distributed on the outer circumferential surface of the pre-positioning column 7, a limiting groove 9 is arranged at the top end of the pre-positioning column 7 corresponding to the position of the sliding blind groove 8, a spring mounting blind hole 10 is arranged on the inner wall of the limiting groove 9 along the radial direction of the pre-positioning column 7, an extrusion plate 11 is horizontally and movably connected in the sliding blind groove 8, a limiting column 12 is vertically and upwardly fixed on the extrusion plate 11, the outer circumferential surface of the limiting column 12 is slidably connected with the inner wall of the limiting groove 9, a compression spring 13 is horizontally installed in the limiting groove 9, one end of the compression spring 13 is positioned in the spring installation blind hole 10, the other end of the compression spring 13 is contacted with the limiting column 12, a circular upper bevel 14 is arranged on the outer end of the extrusion plate 11, and a circular lower bevel 15 is arranged on the lower end of the outer end of the extrusion plate 11; when the axis of the inner hole of the transmission hub is collinear with the axis of the pre-positioning column 7 and the lower bottom surface of the transmission hub is horizontally placed on the placing platform 6, the inner clamping surface of the fixed V block 5 is tangent to the outer circumferential surface of the transmission hub, and the upper edge of the inner hole of the transmission hub is contacted with the arc surface of the lower bevel angle 15; and a guide angle 16 is formed on the upper edge of the inner clamping surface of the fixed V block 5.
The working principle is as follows: the during operation, with transmission wheel hub 17 alignment reference column 7 in advance, then push down transmission wheel hub 17, because the guide effect of the last oblique angle 14 of stripper plate 11, make transmission wheel hub 17's clamping more accurate, when transmission wheel hub 17's lower bottom surface and the laminating of laying platform 6, the reason just contacts with the lower oblique angle 14 of stripper plate 11 on transmission wheel hub 17's the hole, because compression spring 13's effort and the voussoir effect principle at oblique angle 14 down, make transmission wheel hub 17 receive the effect of lower pressure, thereby effectual transmission wheel hub 17 who prevents is adding the in-process and producing the slope, thereby guarantee the accuracy of processing, the reduction in the number of rejects, improve the product quality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a precision pneumatic clamp for driving wheel hub, its includes bottom plate (1) that the level set up vertical fixed mounting has cylinder frame (2) on bottom plate (1), cylinder frame (2) are improved level fixed mounting and are had cylinder (3) the piston rod of cylinder (3) is improved level and is articulated to have activity V piece (4), and its still level is provided with fixed V piece (5), fixed V piece (5) with activity V piece (4) set up relatively, fixed V piece (5) fixed mounting is on laying platform (6) that the level set up, it is in platform (6) fixed mounting is in on bottom plate (1), its characterized in that: the placing platform (6) is vertically fixed with a pre-positioning column (7), the outer circumferential surface of the pre-positioning column (7) is uniformly provided with three sliding blind grooves (8), the top end of the pre-positioning column (7) is correspondingly provided with a limiting groove (9) along the position of the sliding blind groove (8), the inner wall of the limiting groove (9) is provided with a spring installation blind hole (10) along the radial direction of the pre-positioning column (7), the sliding blind groove (8) is internally and horizontally movably connected with an extrusion plate (11), the extrusion plate (11) is vertically and upwards fixed with a limiting column (12), the outer circumferential surface of the limiting column (12) is in sliding connection with the inner wall of the limiting groove (9), a compression spring (13) is horizontally arranged in the limiting groove (9), one end of the compression spring (13) is positioned in the spring installation blind hole (10), the other end of the compression spring (13) is in contact with the limiting column (12), an arc-shaped upper bevel angle (14) is arranged on the outer end of the extrusion plate (11), and an arc-shaped lower bevel angle (15) is arranged below the outer end of the extrusion plate (11); when transmission wheel hub's hole axis with the axis collineation of reference column (7) in advance and transmission wheel hub's lower bottom surface level are placed when laying on platform (6), the interior clamping face of fixed V piece (5) with transmission wheel hub's outer periphery is tangent, transmission wheel hub's hole go up along with the cambered surface of oblique angle (15) contacts down.
2. A precision pneumatic clamp for driving a wheel hub as claimed in claim 1, wherein: and a guide angle (16) is arranged on the upper edge of the inner clamping surface of the fixed V block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484774.4U CN209986600U (en) | 2019-04-11 | 2019-04-11 | Precise pneumatic clamp for transmission hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484774.4U CN209986600U (en) | 2019-04-11 | 2019-04-11 | Precise pneumatic clamp for transmission hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209986600U true CN209986600U (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484774.4U Active CN209986600U (en) | 2019-04-11 | 2019-04-11 | Precise pneumatic clamp for transmission hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209986600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499913A (en) * | 2021-07-02 | 2021-10-15 | 机械工业第九设计研究院有限公司 | Intelligent spraying equipment is used in automobile production |
-
2019
- 2019-04-11 CN CN201920484774.4U patent/CN209986600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499913A (en) * | 2021-07-02 | 2021-10-15 | 机械工业第九设计研究院有限公司 | Intelligent spraying equipment is used in automobile production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 014030 No. 6 Runde Road, Equipment Manufacturing Industrial Park, Baotou City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Boson-Hede Precision Making Ltd. Address before: 014030 No. 6 Runde Road, Equipment Manufacturing Industrial Park, Baotou City, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA BOSHUN HEDE PRECISION MANUFACTURING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |