CN209953940U - Tailstock for numerical control gear grinding machine - Google Patents
Tailstock for numerical control gear grinding machine Download PDFInfo
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- CN209953940U CN209953940U CN201821743471.1U CN201821743471U CN209953940U CN 209953940 U CN209953940 U CN 209953940U CN 201821743471 U CN201821743471 U CN 201821743471U CN 209953940 U CN209953940 U CN 209953940U
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- seat
- guide rail
- linear guide
- centre
- sliding block
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Abstract
The utility model discloses a tailstock for numerical control gear grinding machine, including base, X to spacing guide key, top mechanism and cylinder subassembly. The roller heavy-load linear guide rail pair structure has good rigidity and stability, and can easily realize the accurate adjustment of the upper bus and the side bus of a machined part; the centre clamps the processing parts through the pressure spring, wherein the magnitude of the spring force can be correspondingly adjusted according to the actual conditions of the processing parts.
Description
Technical Field
The utility model belongs to the machining field, concretely relates to tailstock for numerical control gear grinding machine.
Background
The tail frame is one of important parts of the numerical control gear grinding machine, and when the gear grinding machine grinds the gear of a workpiece, the tail frame of the gear grinding machine is matched with the head frame of the gear grinding machine to play a role in supporting and centering the workpiece. For a modern numerical control gear grinding machine tool, the requirements on machining precision and the reduction of the working strength of adjusting personnel are higher and higher, the coaxiality of a tailstock rotation center and a workbench rotation center is extremely high during gear grinding high-precision machining, and a tailstock fine adjustment device plays a vital role in geometric precision adjustment. If the coaxiality error is large, the gear precision of the machined workpiece is directly influenced. The traditional tailstock for the gear grinding machine tool is not provided with an adjusting mechanism, the large mounting surface of the rear stand column can only be ground and fixed by a positioning pin, the center of rotation of the tailstock center is concentric with the center of rotation of the workbench, the machine tool inevitably loses precision in the process of large-batch processing, the positioning pin mounted on the large rear stand column needs to be taken out and the fixing screw needs to be loosened in the traditional mode, the geometric precision of the rotation of the tailstock is re-corrected, time and labor are wasted, and the fine adjustment effect cannot be achieved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a tailstock for a numerical control gear grinding machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a tailstock for a numerical control gear grinding machine comprises a base, an X-direction limiting guide key, a tip mechanism and a cylinder assembly, wherein the X-direction limiting guide key is arranged on the base, a through hole is formed in the X-direction limiting guide key, a positioning nut is installed in the through hole, a contact part of the positioning nut and the base is provided with a thread matched with the positioning nut, a limiting cover plate parallel to the positioning nut is arranged beside the X-direction limiting guide key, a through hole coaxial with a threaded hole of the positioning nut is formed in the limiting cover plate, adjusting bolts are arranged in the limiting cover plate and the positioning nut, a linear guide rail seat is arranged on the upper surface of the X-direction limiting guide key, and the limiting cover plate abuts against the linear guide rail seat; the sliding block seat is arranged on the linear guide rail seat, a groove is formed in the upper surface of the linear guide rail seat, a gear is arranged in the groove, a groove corresponding to the linear guide rail seat is formed in the lower surface of the sliding block seat, a rack meshed with the gear is arranged in the groove of the sliding block seat, a rotating shaft is arranged in the center of the gear, one end of the rotating shaft penetrates out of the sliding block seat and is connected with a handle rod, a pressure spring screw rod parallel to the rack is arranged in the linear guide rail seat, one end of the pressure spring screw rod penetrates out of the linear guide rail seat and is connected with a round nut, a pressure spring is arranged on the outer surface of the pressure spring screw rod, one end of the pressure spring is in contact with the linear guide rail seat, the other end of the pressure spring is in contact; the centre mechanism comprises a centre, a locking screw, a centre slide seat and an adjusting screw, the centre slide seat is arranged on the upper surface of the slide block seat and is parallel to the rack, the centre is arranged parallel to the centre slide seat, one end of the centre penetrates out of the centre slide seat, and the locking screw and the adjusting screw are respectively arranged at two ends of the centre slide seat; the air cylinder assembly is fixed with the linear guide rail seat through the rear sealing plate.
Preferably, the X-direction limiting guide key is fixed on the base through a socket head cap screw, and the rotating shaft and the gear are fixed through a flat key.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the tailstock adopts a roller heavy-load linear guide rail pair structure, has good rigidity and stability, and can easily realize accurate adjustment of an upper bus and a side bus of a machined part; the centre clamps the processing parts through the pressure spring, wherein the magnitude of the spring force can be correspondingly adjusted according to the actual conditions of the processing parts.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention
FIG. 3 is a top view of the present invention
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 2;
FIG. 5 is a sectional view taken along plane F-F of FIG. 3;
fig. 6 is a schematic view of the tip structure;
FIG. 7 is a cross-sectional view taken along plane J-J of FIG. 3;
the device comprises a base, a limiting guide key in the X direction (1), a linear guide rail seat (3), a positioning nut (4), an adjusting bolt (5), an adjusting bolt (6), a limiting cover plate (7), a handle lever (8), a sliding block seat (9), a rack (10), a rotating shaft (11), a flat key (12), a gear (13), a pressure spring (14), a rear sealing plate (15), an air cylinder assembly (16), a locking screw (17), a tip sliding seat (18), an adjusting screw (19), a round nut (20), a tip (21) and a pressure spring bolt).
Detailed Description
The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.
As shown in fig. 1-7, a tailstock for a numerical control gear grinding machine comprises a base 1, an X-direction limiting guide key 2, a tip mechanism and a cylinder assembly 15; an X-direction limiting guide key 2 is arranged on a base 1, a through hole is formed in the X-direction limiting guide key 2, threads are arranged on the bottom surface of the through hole, a positioning nut 4 is installed in the through hole, a limiting cover plate 6 parallel to the positioning nut 4 is arranged beside the X-direction limiting guide key 2, a through hole coaxial with a threaded hole of the positioning nut 4 is formed in the limiting cover plate 6, adjusting bolts 5 are arranged in the limiting cover plate 6 and the positioning nut 4, a linear guide rail seat 3 is arranged on the upper surface of the X-direction limiting guide key 2, and the limiting cover plate 6 abuts against the linear guide rail seat 3; a slider seat 8 is arranged on the linear guide rail seat 3, a groove is formed in the upper surface of the linear guide rail seat 3, a gear 12 is arranged in the groove, a groove corresponding to the linear guide rail seat 3 is formed in the lower surface of the slider seat 8, a rack 9 meshed with the gear 12 is arranged in the groove of the slider seat 8, a rotating shaft 10 is installed in the center of the gear 12, one end of the rotating shaft 10 penetrates through the slider seat 8 and is connected with a handle rod 7, a pressure spring screw 21 parallel to the rack 9 is arranged in the linear guide rail seat 3, one end of the pressure spring screw 21 penetrates through the linear guide rail seat 3 and is connected with a round nut 19, a pressure spring 13 is installed on the outer surface of the pressure spring screw 21, one end of the pressure spring 13 is in contact with the linear guide rail seat 3, the other end of the pressure spring is in contact with the round nut 19, the pressure spring 13 is always in; the centre mechanism comprises a centre 20, a locking screw 16, a centre slide seat 17 and an adjusting screw 18, wherein the centre slide seat 17 is arranged on the upper surface of the slide block seat 8 and is parallel to the rack 9, the centre 20 is arranged parallel to the centre slide seat 17, one end of the centre slide seat 17 penetrates out of the centre slide seat 20, and the locking screw 16 and the adjusting screw 18 are respectively arranged at two ends of the centre slide seat and are in close contact with the centre slide seat 17. (ii) a The cylinder assembly 15 is fixed with the linear guide rail seat 3 through the rear closing plate 14; the X-direction limiting guide key 2 is fixed on the base 1 through a hexagon socket head cap screw, and the rotating shaft 10 and the gear 12 are fixed through a flat key 11.
When the positioning nut 4 is used, the position of the positioning nut 4 is unchanged, when the adjusting bolt 5 is rotated inwards, the adjusting bolt 5 can push the limiting cover plate 6, further push the linear guide rail seat 3 connected with the limiting cover plate 6, otherwise, when the adjusting bolt 5 is rotated outwards, the linear guide rail seat 3 can be pulled, and the fine adjustment movement of the whole structure of the linear guide rail seat in the direction of the adjusting bolt 5 can be realized to adjust a side bus; the handle rod 7 is shaken to drive the gear 12 to rotate, the rack 9 is meshed with the gear 12 and is fixed on the sliding block seat 8, so that the sliding block seat 8 can be driven to move in the direction of the rack 9, the pressure spring 13 is always in contact with the sliding block seat 8, the pressure spring 13 is in a compressed state, when the handle rod 7 is loosened, the sliding block seat 8 is pushed towards the direction of a tip under the action of the elastic force of the pressure spring 13, and the pressure action of the tip 20 on a machined part can be guaranteed; slightly loosening the tightening screw 16, rotating the adjusting screw 18 according to the required adjusting direction, so that the tip sliding seat 17 can move on the inclined surface of the sliding block seat 8 along the direction of the adjusting screw 18 to adjust the upper generatrix, and tightening the tightening screw after adjusting to the proper value, thereby achieving the fine adjustment effect in the X-axis direction and the Y-axis direction.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides a tailstock for numerical control gear grinding machine which characterized in that: comprises a base (1), an X-direction limiting guide key (2), a tip mechanism and a cylinder assembly (15),
the X-direction limiting guide key (2) is arranged on the base (1), a through hole is formed in the X-direction limiting guide key (2), a positioning nut (4) is installed in the through hole, a thread matched with the positioning nut (4) is arranged at the contact position of the positioning nut (4) and the base (1), a limiting cover plate (6) parallel to the positioning nut (4) is arranged beside the X-direction limiting guide key (2), a through hole coaxial with a threaded hole of the positioning nut (4) is formed in the limiting cover plate (6), an adjusting bolt (5) is arranged in the limiting cover plate (6) and the positioning nut (4), a linear guide rail seat (3) is arranged on the upper surface of the X-direction limiting guide key (2), and the limiting cover plate (6) abuts against the linear guide rail seat (3);
the automatic sliding block device is characterized in that a sliding block seat (8) is arranged on the linear guide rail seat (3), a groove is formed in the upper surface of the linear guide rail seat (3), a gear (12) is arranged in the groove, a groove corresponding to the linear guide rail seat (3) is formed in the lower surface of the sliding block seat (8), a rack (9) meshed with the gear (12) is arranged in the groove of the sliding block seat (8), a rotating shaft (10) is installed at the center of the gear (12), one end of the rotating shaft (10) penetrates out of the sliding block seat (8) and is connected with a handle rod (7), a pressure spring screw rod (21) parallel to the rack (9) is arranged in the linear guide rail seat (3), one end of the pressure spring screw rod (21) penetrates out of the linear guide rail seat (3) and is connected with a round nut (19), a pressure spring (13) is installed on the outer surface of the pressure spring screw rod (21), one end of the pressure spring (, the other end of the sliding block is in contact with the round nut (19), and a rear sealing plate (14) is fixed between the round nut (19) and the sliding block seat (8);
the centre mechanism comprises a centre (20), a locking screw (16), a centre slide seat (17) and an adjusting screw (18), the centre slide seat (17) is arranged on the upper surface of the slide block seat (8) and is parallel to the rack (9), the centre (20) is arranged parallel to the centre slide seat (17), one end of the centre slide seat (17) penetrates out of the centre slide seat (17), and the locking screw (16) and the adjusting screw (18) are respectively arranged at two ends of the centre slide seat (17);
the air cylinder assembly (15) is fixed with the linear guide rail seat (3) through a rear sealing plate (14).
2. The tailstock for a numerically controlled gear grinding machine according to claim 1, wherein: the X-direction limiting guide key (2) is fixed on the base (1) through a hexagon socket head cap screw, and the rotating shaft (10) and the gear (12) are fixed through a flat key (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821743471.1U CN209953940U (en) | 2018-10-26 | 2018-10-26 | Tailstock for numerical control gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821743471.1U CN209953940U (en) | 2018-10-26 | 2018-10-26 | Tailstock for numerical control gear grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209953940U true CN209953940U (en) | 2020-01-17 |
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ID=69235793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821743471.1U Active CN209953940U (en) | 2018-10-26 | 2018-10-26 | Tailstock for numerical control gear grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209953940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202188A (en) * | 2018-10-26 | 2019-01-15 | 南京康尼精密机械有限公司 | A kind of tailstock for numerically controlled tooth grinding machine |
-
2018
- 2018-10-26 CN CN201821743471.1U patent/CN209953940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202188A (en) * | 2018-10-26 | 2019-01-15 | 南京康尼精密机械有限公司 | A kind of tailstock for numerically controlled tooth grinding machine |
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