CN214980260U - Tooling structure for grinding inner hole - Google Patents
Tooling structure for grinding inner hole Download PDFInfo
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- CN214980260U CN214980260U CN202121309933.0U CN202121309933U CN214980260U CN 214980260 U CN214980260 U CN 214980260U CN 202121309933 U CN202121309933 U CN 202121309933U CN 214980260 U CN214980260 U CN 214980260U
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- main body
- bolt
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- spring
- positioning ring
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Abstract
The utility model relates to a grind frock structure for hole belongs to automotive transmission gear and grinds processing technology field. The technical scheme is as follows: the main body (4) is of a tubular structure, the rear plug (1), the spring (2) and the tip (3) are assembled and then arranged at the rear end of the main body (4), and the tip (3) axially displaces in the main body (4) along with the elasticity of the spring (2); the positioning disc (8) is fixed at the front end of the main body (4) through a third bolt (9), the clamp (11) is inserted into the positioning disc (8) and the main body (4), and the end part of the insertion end is sleeved with the expansion sleeve (6); the positioning ring (7) is sleeved on the outer side of the front end of the main body (4), one end of the connecting rod (10) is connected to the positioning ring (7), and the other end of the connecting rod (10) is fastened with the main body (4), the expansion sleeve (6) and the clamp (11) through a first bolt (5). The utility model discloses an actively the effect: the shaft workpiece can be clamped conveniently and quickly, the positioning precision is high, and the quality and the yield of products are improved.
Description
Technical Field
The utility model relates to a grind frock structure for hole belongs to automotive transmission gear and grinds processing technology field.
Background
The transmission gear grinding processing is one of the most critical links in the production and manufacturing of the transmission, and plays a decisive role in determining whether the transmission can normally play a role in the whole vehicle. At present, when an inner hole of a shaft is ground, a clamping mechanism is realized by an elastic diaphragm, but the positioning precision of the clamping mechanism cannot be guaranteed, and errors can easily occur in the processing precision due to the fact that the clamping effect is realized by the elastic diaphragm. The problems of no reliability guarantee, low processing precision and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a grind frock structure for hole realizes improving the reliability to the abrasive machining of derailleur axis class hole, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a tool structure for grinding an inner hole comprises a rear plug, a spring, a tip, a main body, a first bolt, an expansion sleeve, a positioning ring, a positioning disc, a third bolt, a connecting rod and a second bolt, wherein the main body is of a tubular structure, the main body is fixed on a machine tool through the second bolt, the rear plug, the spring and the tip are arranged at the rear end of the main body after being assembled, and the tip axially moves in the main body along with the elasticity of the spring; the positioning disc is fixed at the front end of the main body through a third bolt, the clamp is inserted into the positioning disc and the main body, and an expansion sleeve is sleeved at the end part of the insertion end; the positioning ring is sleeved on the outer side of the front end of the main body, one end of the connecting rod is connected to the positioning ring, and the other end of the connecting rod is fastened with the main body, the expansion sleeve and the clamp through a first bolt.
The rear plug is in threaded connection with the rear end of the main body, the tip is arranged inside the rear end of the main body, a cavity is formed in the rear portion of the tip, the spring is arranged in the cavity, one end of the spring is connected with the rear plug, and the other end of the spring is connected with the tip.
The outer pipe wall at the front end of the main body is provided with external threads, the inner ring surface of the positioning ring is provided with internal threads, and the positioning ring is screwed into the front end of the main body.
An annular groove is formed in the outer annular surface of the positioning ring, and one end of the connecting rod is arranged in the annular groove.
The tip of the tip is positioned in the end part of the inserting end of the clamp.
A plurality of holes are formed in the outer ring surface of the positioning ring along the circumferential direction, so that the positioning ring can be conveniently rotated by hands.
The first bolt, the second bolt and the third bolt are all hexagon socket head cap bolts.
The utility model discloses an actively the effect: adopt the utility model discloses, can realize that axle type work piece presss from both sides tight convenient and fast, positioning accuracy is high, has improved the quality and the output of product.
Drawings
FIG. 1 is a schematic assembly view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
in the figure: the device comprises a rear plug 1, a spring 2, a tip 3, a main body 4, a first bolt 5, an expansion sleeve 6, a positioning ring 7, a positioning disc 8, a third bolt 9, a connecting rod 10, a clamp 11, a shaft workpiece 12, a second bolt 13, an annular groove 14 and a hole 15.
Detailed Description
The invention is further described with reference to the following figures and examples:
a tool structure for grinding an inner hole comprises a rear plug 1, a spring 2, a tip 3, a main body 4, a first bolt 5, an expansion sleeve 6, a positioning ring 7, a positioning disc 8, a third bolt 9, a connecting rod 10 and a second bolt 13, wherein the main body 4 is of a tubular structure, the main body 4 is fixed on a machine tool through the second bolt 13, the rear plug 1, the spring 2 and the tip 3 are arranged at the rear end of the main body 4 after being assembled, and the tip 3 axially displaces in the main body 4 along with the elasticity of the spring 2; the positioning disc 8 is fixed at the front end of the main body 4 through a third bolt 9, the clamp 11 is inserted into the positioning disc 8 and the main body 4, and the end part of the insertion end is sleeved with the expansion sleeve 6; the positioning ring 7 is sleeved on the outer side of the front end of the main body 4, one end of the connecting rod 10 is connected to the positioning ring 7, and the other end of the connecting rod 10 is fastened with the main body 4, the expansion sleeve 6 and the clamp 11 through the first bolt 5.
The rear plug 1 is in threaded connection with the rear end of the main body 4, the tip 3 is arranged inside the rear end of the main body 4, a cavity is formed in the rear portion of the tip 3, the spring 2 is arranged in the cavity, one end of the spring is connected with the rear plug 1, and the other end of the spring is connected with the tip 3.
The outer pipe wall at the front end of the main body 4 is provided with an external thread, the inner ring surface of the positioning ring 7 is provided with an internal thread, and the positioning ring 7 is screwed into the front end of the main body 4.
An annular groove 14 is formed in the outer annular surface of the positioning ring 7, and one end of the connecting rod 10 is arranged in the annular groove 14.
The tip of the centre 3 is located in the end of the insertion end of the holder 11.
A plurality of holes 15 are formed in the outer ring surface of the positioning ring 7 along the circumferential direction, so that the positioning ring can be conveniently rotated by hands.
The first bolt 5, the second bolt 13 and the third bolt 9 are all hexagon socket head cap bolts.
When the device is installed, the rear plug 1, the tip 3 and the spring 2 are assembled, then the main body 4 is inserted into a machine tool, and the main body 4 is connected with the machine tool through the third bolt 13. Then the expansion sleeve 6 is inserted into the main body 4, the positioning ring 7 is screwed in, the expansion sleeve 6 is connected with the positioning ring 4 through the connecting rod 10 by the first bolt 5, and finally the positioning disc 8 is installed by the third bolt 9. When the device works, the expansion sleeve is directly clamped or loosened by screwing the first bolt 5.
Use the utility model discloses, measure frock axial, runout with the percentage table earlier, beat after the meet the requirements, directly pack into anchor clamps 11 with axle type work piece 12, top 3 provides radial support, and positioning disk 8 plays the axial positioning effect, leans on at last to twist bolt 5, and the cover that rises realizes pressing from both sides tightly.
Claims (6)
1. The utility model provides a grind frock structure for hole which characterized in that: the device comprises a rear plug (1), a spring (2), a tip (3), a main body (4), a bolt I (5), an expansion sleeve (6), a positioning ring (7), a positioning disc (8), a bolt III (9), a connecting rod (10) and a bolt II (13), wherein the main body (4) is of a tubular structure, the main body (4) is fixed on a machine tool through the bolt II (13), the rear plug (1), the spring (2) and the tip (3) are arranged at the rear end of the main body (4) after being assembled, and the tip (3) axially displaces in the main body (4) along with the elasticity of the spring (2); the positioning disc (8) is fixed at the front end of the main body (4) through a third bolt (9), the clamp (11) is inserted into the positioning disc (8) and the main body (4), and the end part of the insertion end is sleeved with the expansion sleeve (6); the positioning ring (7) is sleeved on the outer side of the front end of the main body (4), one end of the connecting rod (10) is connected to the positioning ring (7), and the other end of the connecting rod (10) is fastened with the main body (4), the expansion sleeve (6) and the clamp (11) through a first bolt (5).
2. The inner hole grinding tool structure as claimed in claim 1, wherein: the rear plug (1) is in threaded connection with the rear end of the main body (4), the tip (3) is arranged inside the rear end of the main body (4), a cavity is formed in the rear portion of the tip (3), the spring (2) is arranged in the cavity, one end of the spring is connected with the rear plug (1), and the other end of the spring is connected with the tip (3).
3. The inner hole grinding tool structure as claimed in claim 1 or 2, wherein: the outer pipe wall of the front end of the main body (4) is provided with an external thread, the inner ring surface of the positioning ring (7) is provided with an internal thread, and the positioning ring (7) is screwed into the front end of the main body (4).
4. The inner hole grinding tool structure as claimed in claim 1 or 2, wherein: an annular groove (14) is formed in the outer annular surface of the positioning ring (7), and one end of the connecting rod (10) is arranged in the annular groove (14).
5. The inner hole grinding tool structure as claimed in claim 1 or 2, wherein: the tip of the center (3) is positioned in the end part of the insertion end of the clamp (11).
6. The inner hole grinding tool structure as claimed in claim 1 or 2, wherein: and a plurality of holes (15) are formed in the outer annular surface of the positioning ring (7) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309933.0U CN214980260U (en) | 2021-06-11 | 2021-06-11 | Tooling structure for grinding inner hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309933.0U CN214980260U (en) | 2021-06-11 | 2021-06-11 | Tooling structure for grinding inner hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214980260U true CN214980260U (en) | 2021-12-03 |
Family
ID=79127262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309933.0U Active CN214980260U (en) | 2021-06-11 | 2021-06-11 | Tooling structure for grinding inner hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214980260U (en) |
-
2021
- 2021-06-11 CN CN202121309933.0U patent/CN214980260U/en active Active
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