CN214185588U - Gear grinding clamp for positioning excircle and end face - Google Patents
Gear grinding clamp for positioning excircle and end face Download PDFInfo
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- CN214185588U CN214185588U CN202022529206.7U CN202022529206U CN214185588U CN 214185588 U CN214185588 U CN 214185588U CN 202022529206 U CN202022529206 U CN 202022529206U CN 214185588 U CN214185588 U CN 214185588U
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- compression gasket
- clamp
- clamp body
- gear grinding
- grinding
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Abstract
The utility model belongs to the machining gerar grinding field relates to the gerar grinding anchor clamps of excircle and terminal surface location. Comprises a gear grinding clamp body, wherein one end of the gear grinding clamp body is provided with an inner hole, and the excircle of a workpiece is matched with the inner hole of the gear grinding clamp body; the first compression gasket is of a cylindrical structure, one end of the first compression gasket is provided with a first annular boss which is radially inward, and the end face of the other end of the first compression gasket is provided with two semi-cylindrical structures; the second compression gasket is of a cylindrical structure, one end of the second compression gasket is of a planar structure, the end face of the other end of the second compression gasket is provided with two semi-cylindrical structures, one end of the second compression gasket is in contact with the semi-cylindrical structure of the first compression gasket, and the semi-cylindrical structure of the other end of the second compression gasket is in contact with the workpiece; and the compression screw penetrates through the first compression gasket, the second compression gasket and the inner hole of the workpiece and is fixedly connected with the inner thread of the grinding tooth clamp body. The interference of the tailstock to the grinding wheel is avoided when the top tailstock is tightly pushed, and the problem that the cylindrical clamp body interferes with the movement of the grinding wheel is solved.
Description
Technical Field
The utility model belongs to the machining gerar grinding field especially relates to a gerar grinding anchor clamps of excircle and terminal surface location.
Background
The oil pump gear precision requirement is higher, need grinding profile of tooth to guarantee precision such as profile of tooth tolerance, tooth tolerance and base pitch limit deviation of gear, radial force and axial force need be born to the gear at grinding in-process, need grinding fixture to realize being connected of work piece and lathe, provide radial and axial positioning, current structure is both ends structure of butting, and it is shorter to go up the apex, because there is the unable use of problem that the emery wheel motion is interfered to the top tailstock of anchor clamps.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the gear grinding clamp positioned by the excircle and the end face is provided to solve the problem that the tailstock of the existing clamp interferes with the motion of a grinding wheel.
The technical scheme of the utility model is that:
in a first aspect, there is provided a gear grinding jig for positioning with an outer circle and an end face, comprising:
an inner hole is formed in one end of the grinding tooth clamp body 4, threads are arranged at the bottom of the inner hole, and the outer circle of a workpiece is matched with the inner hole of the grinding tooth clamp body 4;
the first compression gasket 5 is of a cylindrical structure, one end of the first compression gasket is provided with a first annular boss which is radially inward, and the end face of the other end of the first compression gasket is provided with two semi-cylindrical structures;
a second compression gasket 7, wherein the second compression gasket is of a cylindrical structure, one end of the second compression gasket is of a planar structure, the end face of the other end of the second compression gasket is provided with two semi-cylindrical structures, one end of the second compression gasket is in contact with the semi-cylindrical structure of the first compression gasket, and the semi-cylindrical structure of the other end of the second compression gasket is in contact with the workpiece;
and the compression screw 6 penetrates through the first compression gasket 5, the second compression gasket 7 and the inner hole of the workpiece to be connected and fastened with the inner thread of the gear grinding clamp body 4, so that the workpiece is fixed. The two double-semi-cylindrical-surface pressing structures are adopted to reduce the influence of thread deviation on the tooth direction action tolerance of the workpiece.
Further, still include: the fixture comprises a fixture base 1, a gear grinding fixture body 4 is arranged on the fixture base 1, and the fixture base 1 is used as a support framework and a working reference of the gear grinding fixture.
Further, the outer contour line of the grinding tooth clamp body 4 is an inward concave arc line, and the outer diameter of the grinding tooth clamp body 4 gradually increases from one end to the other end.
Further, the setting of the gear grinding anchor clamps body 4 is on anchor clamps base 1, specifically includes: the gear grinding clamp body 4 and the clamp base 1 are connected together in a transition mode through a spring chuck, and the gear grinding clamp body 4 and the clamp base 1 are fixed through fastening of the compression nut 3.
Further, the jig base 1 is connected to a table.
Further, the other end of the gear grinding clamp body 4 is of a columnar structure with a standard size, and the gear grinding clamp body 4 is connected with the spring chuck piece 2 in a positioning mode through an inner hole with the standard size.
The utility model has the advantages that: the upper part of the workpiece is pressed by two pressing gaskets with semi-cylindrical structures and screws, and the semi-cylindrical structures of the two pressing gaskets are distributed in 90 degrees, so that the influence of the shape and position deviation of screw threads on the tooth direction deviation of workpiece processing is effectively reduced, and the processing quality of parts is improved; the workpiece and the gear grinding fixture are positioned by the end face and the excircle, so that the positioning is convenient and accurate, the part quality is good, and the production efficiency is high; the gear grinding clamp body passes through collet chuck transitional coupling with the anchor clamps base, compress tightly collet chuck through the gland nut terminal surface, it is tight to make collet chuck shrink press from both sides, collet chuck and anchor clamps base conical surface cooperation, clamping precision has effectively been improved, the gear grinding clamp body passes through standard dimension's excircle and hole positioning connection with collet chuck, anchor clamps are connected simply, it is simple to produce the change anchor clamps of remodeling, the cost of remodeling is low, the gear grinding clamp body appearance adopts the pitch arc that outer contour line is the indent, and the specific external diameter of gear grinding clamp is crescent from one end to the other end, the other end adopts and compresses tightly the fastening, it is the interference of tailstock to the emery wheel to have avoided top tailstock to push up, the problem that the cylinder clamp body interfered to the emery wheel motion has also been solved.
Drawings
Fig. 1 is a main sectional view of the present invention.
Fig. 2 is a three-dimensional view of the present invention.
Fig. 3 is a three-dimensional view of the clamp base.
Fig. 4 is a three-dimensional view of the compression nut.
Figure 5 is a front cross-sectional view of the tooth clamp body.
Fig. 6 is a three-dimensional view of a first compression pad.
Figure 7 is a three-dimensional view of a second compression pad.
The clamp comprises a clamp base 1, a spring chuck 2, a compression nut 3, a gear grinding clamp body 4, a first compression gasket 5, a compression screw 6, a second compression gasket 7 and a workpiece 8.
Detailed Description
The problem that the existing structure has the phenomenon that the tail seat of the clamp interferes with the motion of the grinding wheel cannot be used. Meanwhile, in order to improve the processing efficiency in the processing process, the clamping workpiece needs to be quickly remodeled, and the fixture part which is as simple as possible is replaced by different processed workpieces, so that the manufacturing cost of the gear grinding fixture is reduced, and the convenience of remodelling is improved. Therefore, the utility model provides a gear grinding clamp with excircle and end face positioned.
8 upper portions of work piece adopt two to take the packing pad and the screw of semicylindrical structure to compress tightly, two semicylindrical structures that compress tightly the gasket are 90 and distribute, work piece 8 and the gear grinding anchor clamps body with terminal surface and excircle location, the gear grinding anchor clamps body passes through standard size's excircle and hole location with collet chuck and is connected, the gear grinding anchor clamps body passes through collet chuck transitional coupling with the anchor clamps base, collet chuck and the cooperation of anchor clamps base conical surface, through gland nut terminal surface compression collet chuck, make collet chuck shrink tight.
The clamp is positioned through an inner hole and an end face, and the upper end of the clamp realizes axial and radial limitation freedom degree through a compression screw and a gear grinding positioning clamp. The spring chuck and the compression nut are utilized to realize the connection of the gear grinding clamp body and the base to limit the freedom degree of the clamp body and provide axial positioning. Realize changing the model fast through base and gear grinding anchor clamps. The two positioning gaskets are in line contact, so that the tolerance is reduced.
A gear shaft grinding clamp realizes rapid model changing through a base and a gear grinding clamp. The clamp is positioned through an inner hole and an end face, and the upper end of the clamp realizes axial and radial limitation freedom degree through a compression screw and a gear grinding positioning clamp. The spring chuck and the compression nut are utilized to realize the connection of the gear grinding clamp body and the base to limit the freedom degree of the clamp body and provide axial positioning. The fixture comprises a fixture base 1 as shown in figure 3, which is used as a support framework and a working reference of the gear grinding fixture, and a spring chuck 2 and a gear grinding fixture body 4 form a part excircle positioning system; the gear grinding clamp body 4 shown in fig. 5 is transitionally connected with the clamp base 1 through a spring chuck, and is fixed by fastening a compression nut 3 shown in fig. 4; the excircle of the workpiece is matched with the inner hole of the gear grinding clamp body 4, the end face of the workpiece is matched with the end face of the positioning hole of the gear grinding clamp body 4, and the compression screw 6 penetrates through the first compression gasket 5 shown in figure 6, the second compression gasket 7 shown in figure 7 and the inner hole of the workpiece, is connected and fastened with the inner thread of the gear grinding clamp body 4, fixes the workpiece 8 and ensures that the position of the workpiece is unchanged. The fixture base 1 is connected with the workbench, the gear grinding fixture bodies 4 and the spring chucks of the gear grinding fixture bodies 2 are connected through standard inner hole positioning, when products are changed in shape, the gear grinding fixture bodies 4 with standard outer circles only need to be changed, and then production is rapidly changed in shape, and the economical efficiency of gear grinding fixture manufacturing is achieved.
The working principle is as follows: as shown in fig. 1 and 2, the utility model discloses a gear grinding anchor clamps structure, including anchor clamps base 1, support framework and the working reference as the gear grinding anchor clamps, collet chuck 2, transition connection system in the middle of gland nut 3 gear grinding anchor clamps body 4 are constituteed, gland nut 3 screws, 3 hole terminal surface gland collet chucks of gland nut 2, make collet chuck tighten up the fastening, insert the laminating of 4 hole terminal surfaces of gear grinding anchor clamps bodies with the work piece, first gland washer 5 and second gland washer 7 cover are on the work piece external diameter, and the face of cylinder two of first gland washer 5 and second gland washer 7 is 90 installations, terminal surface and the laminating of work piece terminal surface, gland screw 6 passes gland washer 5 and work piece hole, with 4 internal thread connection fastenings of gear grinding anchor clamps body. Forming a workpiece positioning system. The position of the workpiece is kept fixed, and the machining precision of the workpiece is ensured. When the machined workpiece is replaced, the compression screw 6 is loosened, the compression screw 6 and the compression gasket are taken down, and after the machined workpiece is replaced, the first compression gasket 5, the second compression gasket and the compression screw 6 are compressed again.
When the product is remodeled, only need unscrew gland nut 3, take off the gerar grinding clamp body 4, more the new gerar grinding clamp body 4 can, realize quick remodelling and zero point location effect. The phenomenon that the whole clamp system needs to be replaced when the clamp is replaced is avoided. The structure of the grinding tooth clamp body 4 is simple, and the manufacturing cost is low. The use cost of the gear grinding clamp can be effectively reduced, the remodeling time is shortened, and the remodeling efficiency is improved.
Claims (6)
1. The utility model provides a gear grinding anchor clamps with excircle and terminal surface location which characterized in that includes:
an inner hole is formed in one end of the gear grinding clamp body (4), threads are arranged at the bottom of the inner hole, and the outer circle of a workpiece is matched with the inner hole of the gear grinding clamp body (4);
the first compression gasket (5) is of a cylindrical structure, one end of the first compression gasket is provided with a first annular boss which is radially inward, and the end face of the other end of the first compression gasket is provided with two semi-cylindrical structures;
the second compression gasket (7) is of a cylindrical structure, one end of the second compression gasket is of a planar structure, the end face of the other end of the second compression gasket is provided with two semi-cylindrical structures, one end of the second compression gasket is in contact with the semi-cylindrical structure of the first compression gasket, and the semi-cylindrical structure of the other end of the second compression gasket is in contact with the workpiece;
and the compression screw (6) penetrates through the first compression gasket (5), the second compression gasket (7) and the inner hole of the workpiece to be connected and fastened with the inner thread of the gear grinding clamp body (4) so as to fix the workpiece.
2. The clamp of claim 1, further comprising: the fixture comprises a fixture base (1), a gear grinding fixture body (4) is arranged on the fixture base (1), and the fixture base (1) is used as a support framework and a working reference of the gear grinding fixture.
3. The clamp according to claim 1, characterized in that the outer contour line of the tooth grinding clamp body (4) is a concave arc line, and the outer diameter of the tooth grinding clamp body (4) is gradually increased from one end to the other end.
4. The clamp according to claim 1, characterized in that the sharpening tooth clamp body (4) is arranged on the clamp base (1), in particular comprising: the gear grinding clamp body (4) and the clamp base (1) are connected together in a transition mode through the spring chuck, and the gear grinding clamp body (4) and the clamp base (1) are fixed through the fastening compression nut (3).
5. The clamp according to claim 1, characterized in that the clamp base (1) is connected to a work table.
6. The clamp according to claim 1, characterized in that the other end of the grinding tooth clamp body (4) is of a standard-size cylindrical structure, and the grinding tooth clamp body (4) is connected with the spring clamp head piece (2) in a positioning mode through a standard-size inner hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529206.7U CN214185588U (en) | 2020-11-03 | 2020-11-03 | Gear grinding clamp for positioning excircle and end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529206.7U CN214185588U (en) | 2020-11-03 | 2020-11-03 | Gear grinding clamp for positioning excircle and end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214185588U true CN214185588U (en) | 2021-09-14 |
Family
ID=77644478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529206.7U Active CN214185588U (en) | 2020-11-03 | 2020-11-03 | Gear grinding clamp for positioning excircle and end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214185588U (en) |
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2020
- 2020-11-03 CN CN202022529206.7U patent/CN214185588U/en active Active
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