CN210938198U - Self-centering clamp device for excircle of shaft part - Google Patents
Self-centering clamp device for excircle of shaft part Download PDFInfo
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- CN210938198U CN210938198U CN201921767957.3U CN201921767957U CN210938198U CN 210938198 U CN210938198 U CN 210938198U CN 201921767957 U CN201921767957 U CN 201921767957U CN 210938198 U CN210938198 U CN 210938198U
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Abstract
The utility model discloses an external circle self-centering clamp device for shaft parts, which is arranged on a workbench of automatic processing equipment and is used for assisting the positioning and clamping of the shaft parts, and comprises a clamp base (7), an elastic sleeve chuck (6) and an annular clamping oil cylinder assembly; the clamp base (7) is a revolving body sleeve and is arranged on a workbench of automatic processing equipment; the annular clamping oil cylinder assembly is coaxially arranged on the clamp base (7); an annular piston sleeve sliding block (3) of the annular clamping oil cylinder assembly is arranged in a central positioning through hole of the annular clamping oil cylinder assembly and reciprocates in an oil cylinder piston sliding inner cavity hole of the annular clamping oil cylinder assembly along the axial direction; elastic collet chuck (6) be fixed in central positioning through-hole one end, elastic collet chuck (6) toper collet chuck (61) stretch into in the hole of annular piston sleeve slider (3). Can be automatically centered and clamped through excircle positioning, ensures the positioning accuracy of workpieces in batch production and improves the working efficiency.
Description
Technical Field
The utility model relates to a mechanical structure's frock clamp technical field especially relates to a relate to axle type part excircle from centering fixture device in big automated processing in batches.
Background
The existing axial hole processing condition of shaft parts is that manual feeding utilizes a three-jaw chuck to manually clamp and process, the processing auxiliary time is long, an operator needs a part of time to operate unrelated to processing, the processing efficiency is low, the detection frequency is low, the product quality is not guaranteed well, the labor intensity is high, and the axial hole processing method is not suitable for mass production. Therefore, the defect is overcome by designing the self-centering clamp device for the excircle of the shaft part, and the working efficiency is improved.
Disclosure of Invention
The utility model aims at providing an axle type part excircle is from centering fixture device can be through excircle location self-centering, and self-holding guarantees the location accuracy of work piece in batch production, improves work efficiency.
The utility model aims at realizing through the following technical scheme:
a self-centering clamp device for the excircle of a shaft part is arranged on a workbench of automatic processing equipment, assists in positioning and clamping the shaft part and comprises a clamp base 7, an elastic sleeve chuck 6 and an annular clamping oil cylinder assembly;
the clamp base 7 is a revolving body sleeve and is arranged on a workbench of automatic processing equipment; the annular clamping oil cylinder assembly is coaxially arranged on the clamp base 7;
the annular piston sleeve sliding block 3 of the annular clamping oil cylinder assembly is arranged in the central positioning through hole of the annular clamping oil cylinder assembly and reciprocates in the oil cylinder piston sliding inner cavity hole of the annular clamping oil cylinder assembly along the axial direction; the elastic collet 6 is fixed at one end of the central positioning through hole, and the conical collet 61 of the elastic collet 6 extends into the inner hole of the annular piston sleeve sliding block 3.
The annular clamping oil cylinder assembly further comprises a first annular cylinder body 5 and a second annular cylinder body 1; the first annular cylinder body 5 is fixedly connected with the second annular cylinder body 1, and an inner hole after fixing is the central positioning through hole; the central positioning through hole comprises an oil cylinder piston sliding inner cavity hole in the middle and positioning guide holes of which the diameters are smaller than those of the oil cylinder inner cavity hole at two sides;
the annular piston sleeve sliding block 3 comprises positioning shaft sleeve sections 31 at two sides and a piston shaft sleeve section 32 with the diameter larger than that of the positioning shaft sleeve section 31 at the middle part, the positioning shaft sleeve section 31 is in sliding positioning fit with the positioning guide hole, and the piston shaft sleeve section 32 is in sliding fit with the sliding inner cavity hole of the oil cylinder piston; the axial width of the piston shaft sleeve section 32 is smaller than that of the sliding inner cavity hole of the oil cylinder piston;
the first annular cylinder body 5 is communicated with a first oil inlet and outlet 8 and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of one side of the piston shaft sleeve section 32 through an inner pore passage; the second annular cylinder body 1 is communicated with a second oil inlet and outlet 10 and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of the other side of the piston shaft sleeve section 32 through an inner pore passage.
And a first sealing element 2 is arranged between the positioning shaft sleeve section 31 and the positioning guide hole.
The first annular cylinder body 5 and the second annular cylinder body 1 are provided with a second sealing element 4.
The conical collet 61 is provided with a plurality of axial slits 62 which are uniformly distributed in the circumferential direction;
the inner hole of the annular piston sleeve sliding block 3 is a taper hole and is matched with the conical excircle of the conical sleeve chuck 61.
By the foregoing the utility model provides a technical scheme can find out, the embodiment of the utility model provides a pair of axle type part excircle is from centering fixture device can be through excircle location self-centering, and self-holding guarantees the location accuracy of work piece in batch production, improves work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded perspective view of a fixture device for self-centering an outer circle of a shaft part according to an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides an axle type part excircle is from centering fixture device's sectional structure sketch map.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1, the self-centering fixture device for the outer circle of the shaft part is mounted on a workbench of automatic processing equipment, assists in positioning and clamping the shaft part, and structurally comprises a fixture base 7, an elastic sleeve chuck 6 and an annular clamping oil cylinder assembly; the clamp base 7 is a revolving body sleeve, as shown in the figure, flanges are arranged at two ends of a circular sleeve, and the lower flange is used for being arranged on a workbench of automatic processing equipment; the flange of the upper end is used for installing an annular clamping oil cylinder assembly.
The annular clamping oil cylinder assembly is coaxially arranged on the clamp base 7; the annular piston sleeve sliding block 3 of the annular clamping oil cylinder assembly is arranged in the central positioning through hole of the annular clamping oil cylinder assembly and reciprocates in the oil cylinder piston sliding inner cavity hole of the annular clamping oil cylinder assembly along the axial direction; specifically, the annular clamping cylinder assembly further comprises a first annular cylinder 5 and a second annular cylinder 1; the first annular cylinder body 5 is fixedly connected with the second annular cylinder body 1, specifically fixed through a screw, and the fixed inner hole is the central positioning through hole; the central positioning through hole comprises an oil cylinder piston sliding inner cavity hole in the middle and positioning guide holes of which the diameters are smaller than those of the oil cylinder inner cavity hole at two sides; annular piston sleeve slider 3 include the location axle sleeve section 31 on both sides and the piston axle sleeve section 32 that the diameter of middle part is greater than location axle sleeve section 31 diameter, location axle sleeve section 31 and location guiding hole sliding positioning cooperation, location axle sleeve section 31 and location guiding hole between be equipped with first sealing member 2, realize the location axle sleeve section 31 of top in the picture and the sealed of location guiding hole. And the first annular cylinder 5 and the second annular cylinder 1 are provided with a second sealing element 4. The sealing between the lower positioning shaft sleeve section 31 and the positioning guide hole in the figure is realized, and the sealing between the first annular cylinder body 5 and the second annular cylinder body 1 is also realized.
The piston shaft sleeve section 32 is in sliding fit with the sliding inner cavity hole of the oil cylinder piston; and a third sealing element 12 is arranged in the piston shaft sleeve section 32 and the sliding inner cavity hole of the oil cylinder piston. The axial width of the piston shaft sleeve section 32 is smaller than that of the sliding inner cavity hole of the oil cylinder piston; the first annular cylinder body 5 is communicated with a first oil inlet and outlet 8, a first sealing rubber gasket 9 is arranged at the joint of the first oil inlet and outlet 8, and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of one side of the piston shaft sleeve section 32 through an inner pore passage; the second annular cylinder body 1 is communicated with a second oil inlet and outlet 10, a second sealing rubber gasket 11 is arranged at the joint of the second oil inlet and outlet 10, and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of the other side of the piston shaft sleeve section 32 through an inner pore passage.
When the clamping device is used, the elastic sleeve chuck 6 matched with a shaft part workpiece is fixed on the first annular cylinder body 5, then the annular clamping oil cylinder assembly is fixed on the clamp base 7, the clamp base 7 is fixed on a workbench of automatic processing equipment, and the position is adjusted. During processing, the shaft part is stretched into from one side of the clamp base 7 and penetrates through the elastic sleeve chuck 6, the front end of the elastic sleeve chuck is positioned by other positioning mechanisms, at the moment, the oil inlet of the second oil inlet and outlet 10 is performed, the oil outlet of the first oil inlet and outlet 8 is performed, the annular piston sleeve sliding block 3 is pushed to move, and due to the fact that the taper hole is matched with the excircle of the cone, the axial crack 62 is pressed inwards, the axial crack 62 tends to be closed, the workpiece is clamped with the shaft part, the excircle of the workpiece is clamped by self-centering, and the workpiece can. And after the machining is finished, the first oil inlet and outlet 8 feeds oil, the second oil inlet and outlet 10 feeds oil, and the shaft part workpiece is loosened. And then the next processing procedure is carried out.
The device realizes automatic centering and clamps the workpiece automatically, and ensures the positioning accuracy and consistency of the workpiece in batch production. Thus obtaining the product with stable and reliable quality.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an axle type part excircle is from centering fixture device, installs on the workstation of automated processing equipment, and supplementary axle type part location is with pressing from both sides tightly its characterized in that: comprises a clamp base (7), an elastic sleeve chuck (6) and an annular clamping oil cylinder assembly;
the clamp base (7) is a revolving body sleeve and is arranged on a workbench of automatic processing equipment; the annular clamping oil cylinder assembly is coaxially arranged on the clamp base (7);
an annular piston sleeve sliding block (3) of the annular clamping oil cylinder assembly is arranged in a central positioning through hole of the annular clamping oil cylinder assembly and reciprocates in an oil cylinder piston sliding inner cavity hole of the annular clamping oil cylinder assembly along the axial direction; elastic collet chuck (6) be fixed in central positioning through-hole one end, elastic collet chuck (6) toper collet chuck (61) stretch into in the hole of annular piston sleeve slider (3).
2. The excircle self-centering clamp device for shaft parts according to claim 1, characterized in that said annular clamping cylinder assembly further comprises a first annular cylinder body (5) and a second annular cylinder body (1); the first annular cylinder body (5) is fixedly connected with the second annular cylinder body (1), and an inner hole after fixing is the central positioning through hole; the central positioning through hole comprises an oil cylinder piston sliding inner cavity hole in the middle and positioning guide holes of which the diameters are smaller than those of the oil cylinder inner cavity hole at two sides;
the annular piston sleeve sliding block (3) comprises positioning shaft sleeve sections (31) at two sides and a piston shaft sleeve section (32) with the diameter of the middle part larger than that of the positioning shaft sleeve section (31), the positioning shaft sleeve section (31) is in sliding positioning fit with the positioning guide hole, and the piston shaft sleeve section (32) is in sliding fit with the sliding inner cavity hole of the oil cylinder piston; the axial width of the piston shaft sleeve section (32) is smaller than the axial width of the sliding inner cavity hole of the oil cylinder piston;
the first annular cylinder body (5) is communicated with a first oil inlet and outlet (8) and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of one side of the piston shaft sleeve section (32) through an inner pore passage; the second annular cylinder body (1) is communicated with a second oil inlet and outlet (10) and is communicated with an oil cylinder piston sliding inner cavity hole on the annular surface of the other side of the piston shaft sleeve section (32) through an inner pore passage.
3. The excircle self-centering clamp device for the shaft parts according to claim 2, characterized in that a first sealing element (2) is arranged between the positioning sleeve section (31) and the positioning guide hole.
4. The external circle self-centering clamping device for shaft parts according to claim 2, characterized in that the first annular cylinder body (5) and the second annular cylinder body (1) are provided with a second sealing element (4).
5. The excircle self-centering clamp device for shaft parts according to claim 2, characterized in that the piston sleeve section (32) and the cylinder piston sliding inner cavity hole are provided with a third sealing element (12).
6. The self-centering fixture device for the excircle of the shaft part according to claim 1, 2, 3, 4 or 5, wherein the conical collet chuck (61) is provided with a plurality of circumferentially uniformly distributed axial slits (62); the inner hole of the annular piston sleeve sliding block (3) is a taper hole and is matched with the conical excircle of the conical sleeve chuck (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767957.3U CN210938198U (en) | 2019-10-21 | 2019-10-21 | Self-centering clamp device for excircle of shaft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767957.3U CN210938198U (en) | 2019-10-21 | 2019-10-21 | Self-centering clamp device for excircle of shaft part |
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| Publication Number | Publication Date |
|---|---|
| CN210938198U true CN210938198U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921767957.3U Active CN210938198U (en) | 2019-10-21 | 2019-10-21 | Self-centering clamp device for excircle of shaft part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658651A (en) * | 2020-11-10 | 2021-04-16 | 广州市花都全球自动变速箱有限公司 | Method for disassembling copper sleeve of electromagnetic valve |
-
2019
- 2019-10-21 CN CN201921767957.3U patent/CN210938198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658651A (en) * | 2020-11-10 | 2021-04-16 | 广州市花都全球自动变速箱有限公司 | Method for disassembling copper sleeve of electromagnetic valve |
| CN112658651B (en) * | 2020-11-10 | 2022-07-15 | 广州市花都全球自动变速箱有限公司 | Method for disassembling copper sleeve of electromagnetic valve |
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