CN218613542U - Clamping tool for threaded hole grinding wheel - Google Patents

Clamping tool for threaded hole grinding wheel Download PDF

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Publication number
CN218613542U
CN218613542U CN202223243595.2U CN202223243595U CN218613542U CN 218613542 U CN218613542 U CN 218613542U CN 202223243595 U CN202223243595 U CN 202223243595U CN 218613542 U CN218613542 U CN 218613542U
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CN
China
Prior art keywords
nut
mandrel
grinding wheel
workpiece
clamping tool
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Active
Application number
CN202223243595.2U
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Chinese (zh)
Inventor
王拴成
赵东辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
White Dove Abrasives Co ltd
Original Assignee
Zhengzhou Banghe Diamond Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202223243595.2U priority Critical patent/CN218613542U/en
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Publication of CN218613542U publication Critical patent/CN218613542U/en
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Abstract

The utility model relates to the technical field of grinding wheel workpiece processing equipment, in particular to a clamping tool for a threaded hole grinding wheel, which comprises a mandrel, wherein the mandrel is fixed through lathe clamping correction, one end of the mandrel is provided with a thread processing surface, and the thread processing surface is used for screwing a workpiece; the positioning shaft sleeve is sleeved on the mandrel; the first nut and the second nut are screwed on the mandrel; and the washer is arranged between the first nut and the positioning shaft sleeve. In the clamping tool for the threaded hole grinding wheel, the mounting and positioning precision is improved, the technological requirements for workpiece processing are met, and the problem that the grinding wheel cannot be taken down due to locking after thread mounting and repairing is avoided. The nut looseness caused by high-speed rotation and vibration of the workpiece is avoided by the locking of the double nuts. The washer of installing additional between location axle sleeve and the nut has improved the life of frock, has avoided the nut directly to compress tightly the deformation that the location axle sleeve leads to.

Description

Clamping tool for threaded hole grinding wheel
Technical Field
The utility model relates to a emery wheel work piece processing equipment technical field, specifically speaking relates to a clamping frock of screw hole emery wheel.
Background
With the vigorous development of industrial technology in China, the requirements of the fields of gears, bearings, machine tools, automobile parts and the like on high-precision grinding wheels are increasingly increased, the precision requirements of some high-precision grinding wheel workpieces are extremely high, threaded holes are designed for installation, the conventional machining process needs to clamp and machine to the size of a finished product once, otherwise, the workpieces are scrapped and cannot be repaired, and the serious waste of labor, materials and time is caused.
As shown in figure 1, after the original tool is clamped and corrected by a lathe, a workpiece is screwed close to the A surface of the reference surface through the B surface of the thread to be positioned. The machining precision of the scheme is limited by the thread matching precision of the tool and the workpiece, and the threaded connection easily causes locking after machining is completed, so that the workpiece cannot be repaired and scrapped due to the problem that the workpiece is difficult to take down.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping frock of screw hole emery wheel to the machining precision who proposes in solving above-mentioned background art is subject to the screw-thread fit precision of frock and work piece, and threaded connection causes the processing to accomplish the back locking easily moreover, and the problem of difficult taking off leads to the unable reworking work piece problem of scrapping.
In order to achieve the purpose, the utility model provides a clamping tool for a threaded hole grinding wheel, which comprises a mandrel, wherein the mandrel is fixed through lathe clamping correction, one end of the mandrel is provided with a thread processing surface, and the thread processing surface is used for screwing a workpiece;
the positioning shaft sleeve is sleeved on the mandrel;
the first nut and the second nut are screwed on the mandrel;
and the gasket is arranged between the first nut and the positioning shaft sleeve.
Preferably, the inner side of the positioning shaft sleeve is provided with a surface A and a surface B, and the surface A and the surface B are vertically arranged and are both attached to the workpiece.
Preferably, a clamping step is mounted on the outer side of the mandrel.
Preferably, the A surface and the B surface of the positioning shaft sleeve and the thread machining surface form an annular groove for screwing in a workpiece.
Preferably, the mandrel is provided with external threads close to the first nut and the second nut, and the first nut and the second nut are both in threaded connection with the external threads.
Preferably, the workpiece is of an annular boss structure, and an internal thread is arranged on the inner side of the boss.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the clamping tool for the grinding wheel with the threaded hole, the positioning shaft sleeve is additionally arranged, the mounting and positioning precision is improved, the technological requirements of workpiece processing are met, and the problem that the grinding wheel cannot be taken down due to locking after thread mounting and repairing is avoided through reverse positioning of the first nut and the second nut.
2. In the clamping tool for the threaded hole grinding wheel, the nut looseness caused by high-speed rotation and vibration of a workpiece is avoided due to the locking of double nuts.
3. In the clamping tool for the threaded hole grinding wheel, the washer additionally arranged between the positioning shaft sleeve and the nut prolongs the service life of the tool, and the phenomenon that the nut directly compresses the positioning shaft sleeve to cause deformation is avoided.
Drawings
FIG. 1 is a schematic view of a mandrel tooling of the prior art;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic structural view of the middle core shaft of the present invention.
The various reference numbers in the figures mean:
1. a mandrel; 11. clamping the step; 12. an external thread; 13. processing a thread surface; 2. positioning the shaft sleeve; 21. surface A; 22. b surface; 3. a gasket; 4. a first nut; 5. a second nut; 6. and (5) a workpiece.
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. Based on the embodiments in 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.
The utility model provides a clamping tool for a threaded hole grinding wheel, which comprises a mandrel 1, wherein the mandrel 1 is fixed through lathe clamping correction, one end of the mandrel 1 is provided with a thread processing surface 13, and the thread processing surface 13 is used for screwing a workpiece 6; the positioning shaft sleeve 2 is sleeved on the mandrel 1; a first nut 4 and a second nut 5, wherein the first nut 4 and the second nut 5 are screwed on the mandrel 1; and a washer 3, wherein the washer 3 is arranged between the first nut 4 and the positioning shaft sleeve 2.
In this embodiment, the inner side of the positioning sleeve 2 is provided with an a surface 21 and a B surface 22, and the a surface 21 and the B surface 22 are vertically arranged and are both attached to the workpiece 6.
Specifically, the clamping step 11 is installed on the outer side of the mandrel 1, so that the mandrel 1 can be clamped conveniently.
Further, the a surface 21 and the B surface 22 of the positioning sleeve 2 form an annular groove with the thread machining surface 13 for screwing in the workpiece 6.
Further, the mandrel 1 is provided with external threads 12 near the first nut 4 and the second nut 5, and the first nut 4 and the second nut 5 are both in threaded connection with the external threads 12, so that the first nut 4 and the second nut 5 can be conveniently installed and fixed.
Further, the workpiece 6 is of an annular boss structure, and the inner side of the boss is provided with internal threads for screwing the workpiece 6 into the inner side of the positioning shaft sleeve 2.
When the clamping tool for the threaded hole grinding wheel is used, a positioning shaft sleeve 2, a gasket 3, a first nut 4 and a second nut 5 are sequentially arranged on a machined mandrel 1, then the mandrel 1 is clamped by a lathe clamping jaw, positioning and clamping are carried out by a clamping step 11, a surface is made to be correct, two reference surfaces, namely an A surface 21 and a B surface 22, of the positioning shaft sleeve 2 are positioned, and if jumping is out of tolerance, new reference surfaces, namely the new A surface 21 and the new B surface 22, can be directly turned out again;
the workpiece 6 is installed through threads, the A face 21 and the B face 22 of the positioning shaft sleeve 2 are attached, required repair processing can be conducted, the workpiece 6 can be easily detached after the first nut 4 and the second nut 5 are loosened after the processing is finished, the problem that the workpiece 6 must be machined and formed once in the processing process in the past is solved, if the precision is insufficient, the rejection rate of the workpiece 6 is greatly reduced due to the use of the clamping tool, the clamping tool can be repeatedly installed and used, and a large amount of labor and material cost are saved for enterprises.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a clamping frock of screw hole emery wheel which characterized in that: comprises that
The fixture comprises a mandrel (1), wherein the mandrel (1) is fixed through lathe clamping correction, one end of the mandrel (1) is provided with a thread machining surface (13), and the thread machining surface (13) is used for screwing a workpiece (6);
the positioning shaft sleeve (2), the positioning shaft sleeve (2) is sleeved on the mandrel (1);
a first nut (4) and a second nut (5), wherein the first nut (4) and the second nut (5) are screwed on the mandrel (1);
the gasket (3) is arranged between the first nut (4) and the positioning shaft sleeve (2).
2. The clamping tool for the threaded hole grinding wheel as claimed in claim 1, wherein the clamping tool comprises: the inner side of the positioning shaft sleeve (2) is provided with a surface A (21) and a surface B (22), the surface A (21) and the surface B (22) are vertically arranged and are attached to a workpiece (6).
3. The clamping tool for the threaded hole grinding wheel as claimed in claim 1, wherein the clamping tool comprises: and a clamping step (11) is arranged on the outer side of the mandrel (1).
4. The clamping tool for the threaded hole grinding wheel as claimed in claim 1, wherein the clamping tool comprises: and the surface A (21) and the surface B (22) of the positioning shaft sleeve (2) and the thread machining surface (13) form an annular groove for screwing in a workpiece (6).
5. The clamping tool for the threaded hole grinding wheel according to claim 1, characterized in that: the mandrel (1) is provided with external threads (12) at positions close to the first nut (4) and the second nut (5), and the first nut (4) and the second nut (5) are both in threaded connection with the external threads (12).
6. The clamping tool for the threaded hole grinding wheel as claimed in claim 1, wherein the clamping tool comprises: the workpiece (6) is of an annular boss structure, and internal threads are arranged on the inner side of the boss.
CN202223243595.2U 2022-12-05 2022-12-05 Clamping tool for threaded hole grinding wheel Active CN218613542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223243595.2U CN218613542U (en) 2022-12-05 2022-12-05 Clamping tool for threaded hole grinding wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223243595.2U CN218613542U (en) 2022-12-05 2022-12-05 Clamping tool for threaded hole grinding wheel

Publications (1)

Publication Number Publication Date
CN218613542U true CN218613542U (en) 2023-03-14

Family

ID=85453988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223243595.2U Active CN218613542U (en) 2022-12-05 2022-12-05 Clamping tool for threaded hole grinding wheel

Country Status (1)

Country Link
CN (1) CN218613542U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240619

Address after: No. 121, science Avenue, new material industrial park, Zhengzhou City, Henan Province, 450000

Patentee after: WHITE DOVE ABRASIVES Co.,Ltd.

Country or region after: China

Address before: Building A9-1, Meifang, No. 58, Yinlan Road, High-tech Zone, Zhengzhou City, Henan Province, 450000

Patentee before: Zhengzhou Banghe Diamond Products Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right