CN209207244U - A kind of clamping device for the processing of ceramic bearing ring end face - Google Patents
A kind of clamping device for the processing of ceramic bearing ring end face Download PDFInfo
- Publication number
- CN209207244U CN209207244U CN201822092712.7U CN201822092712U CN209207244U CN 209207244 U CN209207244 U CN 209207244U CN 201822092712 U CN201822092712 U CN 201822092712U CN 209207244 U CN209207244 U CN 209207244U
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- bearing ring
- clamping device
- fixed block
- ceramic bearing
- face
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- 239000000919 ceramic Substances 0.000 title claims abstract description 30
- 238000003754 machining Methods 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
A kind of clamping device for the processing of ceramic bearing ring end face, belongs to technical field of bearing processing.The clamping device for the processing of ceramic bearing ring end face, including pedestal, the top of pedestal one end is equipped with fixed block, the middle part of pedestal is equipped with guide-track groove, pedestal is far from being provided with support base above one end of fixed block, fixed block is equipped with the first V-type clamping section, sliding shoe top is equipped with the second V-type clamping section, first V-type clamping section and the second V-type clamping section are oppositely arranged, sliding shoe lower part two sides are slidably connected with guide-track groove, central spindle of the spring is arranged in guide-track groove, one end of central spindle of the spring passes through sliding shoe and guide-track groove and connects close to the side of fixed block, central spindle of the spring is arranged with spring close to the side of fixed block, one end of mandril passes through support base and contacts with sliding shoe, and mandril is threadedly coupled with support base.The clamping device for the processing of ceramic bearing ring end face, makes workpiece periphery uniform force, clamping effect is good, and work efficiency is high, is widely used.
Description
Technical Field
The utility model relates to a bearing processing technology field, in particular to a clamping device for processing of ceramic bearing ring terminal surface.
Background
The core part of the high-speed machine tool is a high-speed electric spindle, the key part of the high-speed electric spindle is a high-speed precision bearing, and the end face of a bearing ring is a reference surface in subsequent processing, so that the processing quality of the end face influences the performance of the high-speed high-precision bearing, and further influences the working precision, the stability and the service life of the high-speed electric spindle. Common plain end clamping device is not suitable for the grinding of circular magnetic ceramic bearing ring terminal surface not leading, and when the location was pressed from both sides tightly, because the limitation of plain end clamping device structure, area of contact is little, leads to the uneven atress on the work piece periphery, and then produces great clamping deformation, and it is great to receive the grinding force during processing, can not reach the work piece and press from both sides tight effect, and the work piece can be conquacted when transshipping.
Disclosure of Invention
In order to solve the technical problems of uneven stress on the circumferential surface of the workpiece, poor clamping effect and the like in the prior art, the utility model provides a clamping device for processing the end surface of a ceramic bearing ring, which ensures that the circumferential surface of the workpiece is stressed uniformly, has good clamping effect, high working efficiency and wide application.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a clamping device for processing of ceramic bearing ring terminal surface, includes base, fixed block, sliding block, ejector pin, supporting seat and spring mandrel, the top of base one end is equipped with the fixed block, and the middle part of base is equipped with the guide rail groove, and the top that the one end of fixed block was kept away from to the base is provided with the supporting seat, the fixed block is equipped with first V type clamping part, sliding block upper portion is equipped with second V type clamping part, first V type clamping part and second V type clamping part set up relatively, sliding block lower part both sides and guide rail groove sliding connection, the spring mandrel sets up at the guide rail inslot, and the one end of spring mandrel is passed the sliding block and is connected with one side that the guide rail groove is close to the fixed block, and one side cover that the spring mandrel is close to the fixed block is equipped with the spring.
The included angle of two sides of the first V-shaped clamping portion is 90 degrees, and the included angle of two sides of the second V-shaped clamping portion is 90 degrees.
The two sides of the first V-shaped clamping part and the two sides of the second V-shaped clamping part are equal in length.
The fixed block is fixed on the base through two screws and two positioning pins.
The clamping device for processing the end face of the ceramic bearing ring is made of a magnetic conductive material.
And one end of the ejector rod, which is far away from the sliding block, is provided with a hexagonal head.
The supporting seat is fixed on the base through two screws.
The utility model has the advantages that:
the utility model relates to a clamping device for ceramic bearing ring end face processing, which aims at a circular non-magnetic conductive workpiece, a base guide rail groove adopts groove shape design, a sliding block is installed from the opening end of the base and moves back and forth along the guide rail groove under the action of a mandril and a spring, and the workpiece is convenient to position, clamp and disassemble; the ejector rod is connected with the supporting seat through threads, and the clamping pretightening force can be controlled through a torque wrench; the clamping device for processing the end face of the ceramic bearing ring is made of a magnetic conductive material and can be directly arranged on the magnetic chuck, a machine tool does not need to be modified, and the modularization degree is high; the utility model discloses when pressing from both sides tight location to the work piece, adopt first V type clamping part and second V type clamping part to press from both sides tightly, and the contained angle on two limits of first V type clamping part and second V type clamping part is 90, according to mechanical analysis, make the clamp force equivalence sparse to four points of the bearing ring outer periphery, work piece periphery atress is even, and processing effect is good, and work efficiency is high, and economic nature is good.
Drawings
Fig. 1 is an assembly schematic view of a clamping device for end face machining of a ceramic bearing ring provided by the present invention;
fig. 2 is an assembly schematic view of a clamping device for end face machining of a ceramic bearing ring provided by the present invention;
fig. 3 is a schematic structural diagram of a base provided by the present invention;
fig. 4 is a schematic structural diagram of the sliding block provided by the present invention;
fig. 5 is a schematic structural diagram of the fixing block provided by the present invention;
fig. 6 is a schematic structural view of the support seat provided by the present invention;
fig. 7 is a schematic structural diagram of the push rod provided by the present invention.
Wherein,
1-base, 2-fixed block, 3-sliding block, 4-ejector rod, 5-supporting seat, 6-workpiece, 7-positioning pin, 8-spring mandrel and 9-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," and may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the problems in the prior art, as shown in fig. 1 to 7, the utility model provides a clamping device for processing the end face of a ceramic bearing ring, which comprises a base 1, a fixed block 2, a sliding block 3, a mandril 4, a supporting seat 5 and a spring mandrel 8, wherein the fixed block 2 is arranged above one end of the base 1, a guide rail groove is arranged in the middle of the base 1, the supporting seat 5 is arranged above one end of the base 1 away from the fixed block 2, the fixed block 2 is provided with a first V-shaped clamping part, the upper part of the sliding block 3 is provided with a second V-shaped clamping part, the first V-shaped clamping part and the second V-shaped clamping part are oppositely arranged, two sides of the lower part of the sliding block 3 are slidably connected with the guide rail groove, the spring mandrel 8 is arranged in the guide rail groove, one end of the spring mandrel 8 passes through the sliding block 3 to be connected with one side of the guide, one end of the ejector rod 4 penetrates through the supporting seat 5 to be in contact with the sliding block 3, and the ejector rod 4 is in threaded connection with the supporting seat 5. In this embodiment, as shown in fig. 1 and 3, base 1 one end is sealed and one end is opened, base 1 confined one end is provided with the fixed block mounting groove, the shape of fixed block mounting groove is the same with the shape of fixed block 2, fixed block 2 installs in the fixed block mounting groove, as shown in fig. 1 to 4, sliding block 3 is installed from base 1 open-ended one end, sliding block 3's lower part is equipped with the guide rail corresponding with the guide rail groove, sliding block 3 passes through the guide rail and follows the relative slip of guide rail groove. When fixed block 2 and sliding block 3 installed on base 1, the upper surface of fixed block 2 and sliding block 3 was located same horizontal plane to these two upper surfaces all are less than work piece 6 by the machined surface, are used for guaranteeing that 6 bearing area of work piece equals, and the one end that base 1 kept away from fixed block 2 is provided with supporting seat 5 mounting groove for erection bracing seat 5. One end of the spring mandrel 8 penetrates through the middle position of the lower part of the sliding block 3, and the spring mandrel 8 is in threaded connection with the guide rail groove. The first V-shaped clamping part of the fixed block 2 is concave, the second V-shaped clamping part of the sliding block 3 is also concave, and the opening directions of the first V-shaped clamping part and the second V-shaped clamping part are oppositely arranged and used for clamping a workpiece 6.
The included angle of two limits of first V type clamping part is 90, and the included angle of two limits of second V type clamping part is 90, the length homogeneous phase on two limits of first V type clamping part and two limits of second V type clamping part equals. In this implementation, the contained angle on two limits of first V type clamping part is 90, and the contained angle on two limits of second V type clamping part is 90, and the V type point portion on two limits of first V type clamping part and second V type clamping part all is equipped with the recess for guarantee that the contained angle on two limits respectively of first V type clamping part and second V type clamping part is 90, the length homogeneous phase on two limits of first V type clamping part and two limits of second V type clamping part is equal, and the length homogeneous phase on four limits of two V type clamping part promptly evacuates the clamp force equivalence to four points on 6 outer circumferential surfaces of work piece, and 6 periphery of work piece atress is even, the micro-deformation of control work piece 6 when pressing from both sides that can be strict promotes work piece 6's wholeness ability by a wide margin.
The fixed block 2 is fixed on the base 1 through two screws and two positioning pins 7, and the supporting seat 5 is fixed on the base 1 through two screws. In this embodiment, as shown in fig. 1, 3, and 5, the fixing block 2 is fixed at one end of the base 1 by two bolts and two positioning pins 7, and the positioning pins 7 can ensure that the openings of the first V-shaped clamping portion and the second V-shaped clamping portion are accurate and opposite, so that the precision is improved, and the fixing block 2 is connected by screws. As shown in fig. 1 and 6, two screws fix the support base 5 to the other end of the base 1.
The clamping device for processing the end face of the ceramic bearing ring is made of a magnetic conductive material. In this embodiment, the clamping device for ceramic bearing ring end face machining adopts the magnetic material so that the clamping device for ceramic bearing ring end face machining is arranged on the magnetic chuck of a machine tool, a milling machine, a grinding machine and the like, and the machine tool, the milling machine, the grinding machine and the like do not need to be modified, so that the modularization degree is high.
The clamping device for machining the end face of the ceramic bearing ring can be used for clamping a circular non-magnetic workpiece. In this embodiment, the clamping device for machining the end face of the ceramic bearing ring is used for clamping the ceramic bearing ring.
And one end of the ejector rod 4, which is far away from the sliding block 3, is provided with a hexagonal head. In this embodiment, as shown in fig. 1 and 4, one side that fixed block 2 was kept away from to sliding block 3 contacts with ejector pin 4, and ejector pin 4 is used for withstanding sliding block 3, and the torque wrench can press from both sides tight pretightning force through hexagonal head control, through 4 hexagonal head loading and unloading work pieces 6 of rotatory ejector pin, and is easy and simple to handle, and work efficiency is high. As shown in fig. 2, the lower part of the sliding block 3 is connected with the guide rail groove of the base 1 through a spring mandrel 8, and a spring 9 is installed on the spring mandrel 8 between the fixed block 2 and the sliding block 3 for supporting the sliding block 3 and driving the sliding block 3 to move.
The use process of the clamping device for machining the end face of the ceramic bearing ring comprises the following steps:
when the workpiece 6 is installed, the hexagonal head of the ejector rod 4 is rotated to drive the ejector rod 4 to be screwed in so as to push the sliding block 3 to move along the guide rail groove of the base 1, and the workpiece 6 is clamped; when the workpiece 6 is dismounted, the hexagonal head of the ejector rod 4 is rotated to drive the ejector rod 4 to be screwed out, and meanwhile, the spring 9 pushes the sliding block 3 to move along the guide rail groove of the base 1, so that the workpiece 6 is loosened, and the workpiece 6 is convenient to replace.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A clamping device for processing the end face of a ceramic bearing ring is characterized by comprising a base, a fixed block, a sliding block, an ejector rod, a supporting seat and a spring mandrel, a fixed block is arranged above one end of the base, a guide rail groove is arranged in the middle of the base, a supporting seat is arranged above one end of the base far away from the fixed block, the fixed block is provided with a first V-shaped clamping part, the upper part of the sliding block is provided with a second V-shaped clamping part, the first V-shaped clamping part and the second V-shaped clamping part are oppositely arranged, two sides of the lower part of the sliding block are connected with the guide rail groove in a sliding way, the spring mandrel is arranged in the guide rail groove, one end of the spring mandrel penetrates through the sliding block to be connected with one side of the guide rail groove close to the fixed block, one side of the spring mandrel close to the fixed block is sleeved with a spring, one end of the ejector rod penetrates through the supporting seat to be in contact with the sliding block, and the ejector rod is in threaded connection with the supporting seat.
2. The clamping device for ceramic bearing ring end face machining according to claim 1, characterized in that the included angle of the two sides of the first V-shaped clamping portion is 90 ° and the included angle of the two sides of the second V-shaped clamping portion is 90 °.
3. The clamping device for ceramic bearing ring end face machining according to claim 1, characterized in that both sides of the first V-shaped clamping portion and both sides of the second V-shaped clamping portion are equal in length.
4. The clamping device for ceramic bearing ring end face machining according to claim 1, characterized in that the fixing block is fixed on the base by two screws and two positioning pins.
5. The clamping device for ceramic bearing ring end face machining according to claim 1, characterized in that the clamping device for ceramic bearing ring end face machining is made of a magnetically conductive material.
6. The clamping device for the end face machining of the ceramic bearing ring according to claim 1, wherein one end of the ejector rod, which is far away from the sliding block, is provided with a hexagonal head.
7. The clamping device for ceramic bearing ring end face machining according to claim 1, wherein the supporting seat is fixed on the base by two screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092712.7U CN209207244U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device for the processing of ceramic bearing ring end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092712.7U CN209207244U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device for the processing of ceramic bearing ring end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209207244U true CN209207244U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822092712.7U Active CN209207244U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device for the processing of ceramic bearing ring end face |
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| CN (1) | CN209207244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400048A (en) * | 2021-05-21 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Clamping tool and method for thin-wall weak-rigidity opening clamping ring type part |
-
2018
- 2018-12-13 CN CN201822092712.7U patent/CN209207244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400048A (en) * | 2021-05-21 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Clamping tool and method for thin-wall weak-rigidity opening clamping ring type part |
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