CN213259128U - Automatic centering transverse clamping device for machining inner hole of ceramic bearing ring - Google Patents
Automatic centering transverse clamping device for machining inner hole of ceramic bearing ring Download PDFInfo
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- CN213259128U CN213259128U CN202022228717.5U CN202022228717U CN213259128U CN 213259128 U CN213259128 U CN 213259128U CN 202022228717 U CN202022228717 U CN 202022228717U CN 213259128 U CN213259128 U CN 213259128U
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Abstract
The utility model provides an automatic centering horizontal clamping device for processing ceramic bearing ring hole, belongs to ceramic bearing pressure equipment anchor clamps technical field, and the device includes locating piece, pneumatic clamp tight piece, guide rail dish, gyration cylinder, pneumatic clamp tight stopper, screw thread rotary disk, base, gyration cylinder casing and pneumatic biography power slide rail. The utility model utilizes the cooperation of the clamping block and the clamping limiting block, and ensures that the limiting block can move concentrically along with the positioning block while the clamping block moves in an axial clamping manner; the three arc-shaped positioning blocks with step surfaces can axially position the machined part, and the arc-shaped positioning blocks can realize centering; the limiting block and the positioning block are simultaneously clamped and loosened on the guide rail disc, so that the flexibility of the clamp is realized. The utility model discloses the device improves the tight mode of clamp when inheriting three-jaw chuck technical advantage, avoids the lasso arris circle to appear, has solved the defect that the shape that the radial clamp force caused during processing of ceramic bearing lasso warp, the precision is not high.
Description
Technical Field
The utility model belongs to the technical field of ceramic bearing pressure equipment anchor clamps, in particular to automatic centering transverse clamping device for processing ceramic bearing ring hole.
Background
The ceramic belongs to a special engineering material, is an inorganic non-metallic material prepared by forming and high-temperature sintering natural or synthetic compounds, has excellent engineering characteristics, but the ceramic material has no magnetism, so the clamping mode of the ceramic ferrule during precision processing is different from the clamping mode of a common metal ferrule. The ceramic ferrule mainly takes grinding as a main part, and can be machined only by special equipment and a special tool clamp, and particularly, the tool clamp device is a key factor for ensuring machining precision and plays a vital role in the machining process. In the prior art, when a common three-jaw chuck clamps a ferrule, due to uneven stress, the shape of the ferrule is deformed due to the radial clamping force of the clamp, the ferrule has edge circles, and the precision of the bearing ferrule is not improved, so that the suitable clamping clamp needs to be designed and developed to improve the engineering precision.
SUMMERY OF THE UTILITY MODEL
For eliminating the defect that the shape that the radial clamp force caused during ceramic bearing ring processing warp, the precision is not high, the utility model provides an automatic centering transverse clamping device for processing ceramic bearing ring hole when inheriting three-jaw chuck technical advantage, improves the clamping mode, avoids the lasso arris circle to appear to improve the precision. The specific technical scheme is as follows:
an automatic centering transverse clamping device for machining an inner hole of a ceramic bearing ring comprises a positioning block 1, a pneumatic clamping block 2, a guide rail disc 3, a rotary cylinder 4, a pneumatic clamping limiting block 5, a threaded rotary disc 7, a base 8, a rotary cylinder shell 11 and a pneumatic force transmission slide rail 12; an air inlet I9 and an air inlet II 10 are formed in the outer surface of the rotary air cylinder shell 11;
the outer surface of the rotary cylinder 4 is fixedly sleeved with a rotary cylinder shell 11, the end part of the rotary cylinder 4 is fixedly connected with a base 8, the end face of the base 8 is fixedly connected with a threaded rotary disk 7, the threaded rotary disk 7 is connected with a pneumatic clamping limiting block 5 in a sliding manner, a pneumatic force transmission slide rail 12 is fixedly connected with a telescopic core of the rotary cylinder 4, the periphery of the pneumatic force transmission slide rail 12 is sleeved with a guide rail disc 3 in a sliding manner, a positioning block 1 and the pneumatic clamping limiting block 5 are movably clamped in the guide rail disc 3, the pneumatic clamping block 2 penetrates through the pneumatic clamping limiting block 5, the pneumatic clamping block 2 moves along the pneumatic force transmission slide rail 12, and the stepped surface of the positioning block 1 and the inner side of the pneumatic clamping block 2;
the positioning blocks 1 are arc-shaped positioning blocks with stepped surfaces, the number of the positioning blocks 1 is 3, the positioning blocks are clamping jaws of a three-jaw chuck, and the positioning blocks 1 axially position and center a workpiece 6;
the number of the pneumatic clamping blocks 2 is 3;
the pneumatic clamping block 2 and the pneumatic clamping limiting block 5 axially slide relative to the pneumatic force transmission slide rail 12, and the pneumatic clamping limiting block 5 and the positioning block 1 simultaneously clamp and release on the guide rail disc 3;
the bottom parts of the limiting block 1 and the pneumatic clamping limiting block 5 are in threaded connection with a threaded rotating disk 7, and the threaded rotating disk 7 rotates to drive the limiting block 1 and the pneumatic clamping limiting block 5 to move relative to the threaded rotating disk 7;
the part of the rotary cylinder 4 connected with the pneumatic clamping block 2 is of three guide rail structures with included angles of 120 degrees, and the guide rail structures are connected with the rotary cylinder 4 through a pneumatic force transmission slide rail 12;
the rotary cylinder 4 is a rotary cylinder with a central through hole, a rotating shaft penetrates through the central through hole, and the rotary cylinder 4 is externally connected with an air source to clamp and release;
the pneumatic force transmission slide rail 12 is a slide rail with three trapezoidal grooves with included angles of 120 degrees.
The utility model discloses an automatic centering transverse clamping device for processing ceramic bearing ring hole compares with prior art, and beneficial effect is:
the clamping block of the device provides clamping force under the action of the cylinder, and the ladder surface of the positioning block axially positions the workpiece; the clamping block is matched with the clamping limiting block, so that the limiting block can concentrically move along with the positioning block while the clamping block is axially clamped and moved; in addition, three circular-arc locating pieces with stepped surfaces can axially locate the machined part, and the circular-arc locating pieces can realize centering, so that the precision of the clamp is effectively improved.
Two, the utility model discloses a pneumatic clamp tight piece bottom links to each other with the cylinder part and has the auto-lock ability when having trapezoidal track transferable clamp force, and pneumatic clamp tight piece only can have relative axial slip with the stopper, and the stopper presss from both sides tightly and relaxs on the guide rail dish with the locating piece simultaneously, has realized the anchor clamps flexibility, prevents that the shape that the radial clamp force of anchor clamps caused from being out of shape.
To sum up, the utility model discloses the device can improve the precision to the clamping of the same bearing ring, and simple and convenient realization is centering, and is low to unprocessed work piece required precision, and anchor clamps range of application is wide, both can use at rough machining process, also can use at the finish machining process, practices thrift the cost, practices thrift the shared time of change anchor clamps, improves production efficiency. The automatic centering transverse clamping device for processing the inner hole of the ceramic ferrule uses the air cylinder, the clamping force can be adjusted, the deformation of a workpiece is reduced to the maximum degree, and the precision can be improved by more than 10%.
Drawings
Fig. 1 is a schematic perspective view of an automatic centering lateral clamping device for machining an inner hole of a ceramic bearing ring according to embodiment 1 of the present invention;
fig. 2 is a front view of the automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring according to embodiment 1 of the present invention;
fig. 3 is a schematic view of an assembly of a pneumatic force transmission slide rail and a rotary cylinder of an automatic centering transverse clamping device for processing an inner hole of a ceramic bearing ring according to embodiment 1 of the present invention;
fig. 4 is an assembly schematic view of a force transmission slide rail and a clamping block of an automatic centering transverse clamping device for processing an inner hole of a ceramic bearing ring according to embodiment 1 of the present invention;
fig. 5 is the embodiment 1 of the utility model provides a locating piece, the pneumatic tight piece of clamp and the pneumatic tight stopper assembly sketch of clamp for processing the automatic centering transverse clamping device of ceramic bearing ring hole.
In the figure: the device comprises a positioning block 1, a pneumatic clamping block 2, a guide rail disc 3, a rotary air cylinder 4, a pneumatic clamping limiting block 5, a workpiece 6, a threaded rotary disc 7, a base 8, an air inlet I, an air inlet II, a rotary air cylinder shell 11 and a pneumatic force transmission slide rail 12.
Detailed Description
The present invention will be further described with reference to the following embodiments and accompanying fig. 1-5, but the present invention is not limited to these embodiments.
As shown in fig. 1-5, an automatic centering transverse clamping device for processing an inner hole of a ceramic bearing ring comprises a positioning block 1, a pneumatic clamping block 2, a guide rail disc 3, a rotary cylinder 4, a pneumatic clamping limiting block 5, a threaded rotary disc 7, a base 8, a rotary cylinder shell 11 and a pneumatic force transmission slide rail 12; an air inlet I9 and an air inlet II 10 are formed in the outer surface of the rotary air cylinder shell 11;
the outer surface of the rotary cylinder 4 is fixedly sleeved with a rotary cylinder shell 11, the end part of the rotary cylinder 4 is fixedly connected with a base 8, the end face of the base 8 is fixedly connected with a threaded rotary disk 7, the threaded rotary disk 7 is connected with a pneumatic clamping limiting block 5 in a sliding manner, a pneumatic force transmission slide rail 12 is fixedly connected with a telescopic core of the rotary cylinder 4, the periphery of the pneumatic force transmission slide rail 12 is sleeved with a guide rail disc 3 in a sliding manner, a positioning block 1 and the pneumatic clamping limiting block 5 are movably clamped in the guide rail disc 3, the pneumatic clamping block 2 penetrates through the pneumatic clamping limiting block 5, the pneumatic clamping block 2 moves along the pneumatic force transmission slide rail 12, and the stepped surface of the positioning block 1 and the inner side of the pneumatic clamping block 2;
the positioning blocks 1 are arc-shaped positioning blocks with stepped surfaces, the number of the positioning blocks 1 is 3, the positioning blocks are clamping jaws of a three-jaw chuck, and the positioning blocks 1 axially position and center a workpiece 6;
the number of the pneumatic clamping blocks 2 is 3;
the pneumatic clamping block 2 and the pneumatic clamping limiting block 5 axially slide relative to the pneumatic force transmission slide rail 12, and the pneumatic clamping limiting block 5 and the positioning block 1 simultaneously clamp and release on the guide rail disc 3;
the bottom parts of the limiting block 1 and the pneumatic clamping limiting block 5 are in threaded connection with a threaded rotating disk 7, and the threaded rotating disk 7 rotates to drive the limiting block 1 and the pneumatic clamping limiting block 5 to move relative to the threaded rotating disk 7;
the part of the rotary cylinder 4 connected with the pneumatic clamping block 2 is of three guide rail structures with included angles of 120 degrees, and the guide rail structures are connected with the rotary cylinder 4 through a pneumatic force transmission slide rail 12;
the rotary cylinder 4 is a rotary cylinder with a central through hole, a rotating shaft penetrates through the central through hole, and the rotary cylinder 4 is externally connected with an air source to realize clamping and releasing;
the pneumatic force transmission slide rail 12 is a slide rail with three trapezoidal grooves with included angles of 120 degrees.
The working process of the automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring of the embodiment is as follows:
before clamping, the positioning block 1 and the pneumatic clamping block 2 are adjusted to proper positions, so that the workpiece 6 can be smoothly placed into the clamp, the end face of the workpiece is attached to the step face of the positioning block 1, and good axial positioning is achieved.
And step two, during clamping, the positions of the positioning block 1 and the pneumatic clamping block 2 are firstly adjusted to ensure the centering position of the workpiece 6, the positioning block 1 does not need to be clamped too tightly, and only the workpiece needs to be ensured to be at the correct position, so that the deformation of the workpiece 6 is reduced. Then the cylinder 4 works, the air inlet I admits air, and a workpiece is clamped. The correct clamping of the workpiece is realized.
And step three, the positioning block 1 and the pneumatic clamping block 2 have supporting acting force on the machined workpiece 6 during machining, and the workpiece position is guaranteed to be correct.
And step four, changing air pressure to change the clamping force, and processing workpieces with different sizes and dimensions.
The clamping workpiece is not deformed in the embodiment, and the precision is improved by 10%.
Claims (8)
1. An automatic centering transverse clamping device for machining an inner hole of a ceramic bearing ring is characterized by comprising a positioning block (1), a pneumatic clamping block (2), a guide rail disc (3), a rotary cylinder (4), a pneumatic clamping limiting block (5), a threaded rotary disc (7), a base (8), a rotary cylinder shell (11) and a pneumatic force transmission slide rail (12); an air inlet I (9) and an air inlet II (10) are arranged on the outer surface of the rotary air cylinder shell (11);
a rotary cylinder shell (11) is fixedly sleeved on the outer surface of the rotary cylinder (4), the end part of the rotary cylinder (4) is fixedly connected with a base (8), the end surface of the base (8) is fixedly connected with a threaded rotary disk (7), the threaded rotating disc (7) is connected with a pneumatic clamping limiting block (5) in a sliding manner, the pneumatic force transmission slide rail (12) is fixedly connected with a telescopic core of the rotary cylinder (4), the periphery of the pneumatic force transmission slide rail (12) is sleeved with a guide rail disc (3) in a sliding way, a positioning block (1) and a pneumatic clamping limiting block (5) are movably clamped in the guide rail disc (3), the pneumatic clamping block (2) penetrates through the pneumatic clamping limiting block (5), the pneumatic clamping block (2) moves along the pneumatic force transmission slide rail (12), the stepped surface of the positioning block (1) and the inner side of the pneumatic clamping block (2) clamp the workpiece (6) together.
2. The automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring is characterized in that the positioning blocks (1) are arc-shaped positioning blocks with stepped surfaces, the number of the positioning blocks (1) is 3, the positioning blocks are clamping jaws of a three-jaw chuck, and the positioning blocks (1) axially position and center a workpiece (6).
3. The self-centering transverse clamping device for machining the inner bore of a ceramic bearing ring according to claim 1, characterized in that the number of the pneumatic clamping blocks (2) is 3.
4. The automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring according to claim 1, wherein the pneumatic clamping block (2) and the pneumatic clamping limiting block (5) axially slide relative to the pneumatic force transmission slide rail (12), and the pneumatic clamping limiting block (5) and the positioning block (1) simultaneously clamp and loosen on the guide rail disc (3).
5. The automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring is characterized in that the bottom of the positioning block (1) and the bottom of the pneumatic clamping limiting block (5) are in threaded connection with a threaded rotating disc (7), and the threaded rotating disc (7) rotates to drive the positioning block (1) and the pneumatic clamping limiting block (5) to move relative to the threaded rotating disc (7).
6. The automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring is characterized in that the part, connected with the pneumatic clamping block (2), of the rotary cylinder (4) is of a three-guide-rail structure with an included angle of 120 degrees, and the guide-rail structure is connected with the rotary cylinder (4) through a pneumatic force transmission slide rail (12).
7. The automatic centering transverse clamping device for machining the inner hole of the ceramic bearing ring according to claim 1 is characterized in that the rotary cylinder (4) is a rotary cylinder with a central through hole, a rotating shaft penetrates through the central through hole, and the rotary cylinder (4) is externally connected with an air source for clamping and releasing.
8. The self-centering transverse clamping device for machining the inner hole of the ceramic bearing ring according to claim 1, characterized in that the pneumatic force-transmission slide rail (12) is three slide rails with trapezoidal grooves with an included angle of 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228717.5U CN213259128U (en) | 2020-10-09 | 2020-10-09 | Automatic centering transverse clamping device for machining inner hole of ceramic bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228717.5U CN213259128U (en) | 2020-10-09 | 2020-10-09 | Automatic centering transverse clamping device for machining inner hole of ceramic bearing ring |
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| CN213259128U true CN213259128U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022228717.5U Active CN213259128U (en) | 2020-10-09 | 2020-10-09 | Automatic centering transverse clamping device for machining inner hole of ceramic bearing ring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814690A (en) * | 2021-09-15 | 2021-12-21 | 北京天地玛珂电液控制系统有限公司 | Elastic retainer ring fastening and restoring device |
| CN114012626A (en) * | 2021-11-19 | 2022-02-08 | 歌尔科技有限公司 | BTB pressurize height measuring device |
| CN114193351A (en) * | 2021-11-19 | 2022-03-18 | 徐州铭德轴承有限公司 | Support arrangement is used in bearing processing |
-
2020
- 2020-10-09 CN CN202022228717.5U patent/CN213259128U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814690A (en) * | 2021-09-15 | 2021-12-21 | 北京天地玛珂电液控制系统有限公司 | Elastic retainer ring fastening and restoring device |
| CN114012626A (en) * | 2021-11-19 | 2022-02-08 | 歌尔科技有限公司 | BTB pressurize height measuring device |
| CN114193351A (en) * | 2021-11-19 | 2022-03-18 | 徐州铭德轴承有限公司 | Support arrangement is used in bearing processing |
| CN114193351B (en) * | 2021-11-19 | 2023-10-13 | 徐州铭德轴承有限公司 | Supporting device for bearing machining |
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