CN218397610U - Grinding positioning fixture for V-shaped guide rail pair - Google Patents
Grinding positioning fixture for V-shaped guide rail pair Download PDFInfo
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- CN218397610U CN218397610U CN202222432448.3U CN202222432448U CN218397610U CN 218397610 U CN218397610 U CN 218397610U CN 202222432448 U CN202222432448 U CN 202222432448U CN 218397610 U CN218397610 U CN 218397610U
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- guide rail
- rail pair
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- shaped groove
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Abstract
The utility model provides a grinding and positioning fixture of a V-shaped guide rail pair, which comprises a fixture body made of copper, wherein the top surface of the fixture body is downwards provided with a V-shaped groove along the length direction, and the front and the back of the V-shaped groove penetrate through the fixture body; the top surface of anchor clamps body is provided with a plurality of jacks inwards, just the jack internal stability has the cylindric lock of steel material, through the cylindric lock is inhaled anchor clamps body magnetism on the grinding machine disk. The matched clamp body is designed for the V-shaped guide rail pair, the V-shaped groove with the included angle being a right angle is arranged on the clamp body, one side of the bottom of the clamp body is embedded into the V-shaped groove matched with the clamp body when the guide rail pair is ground, the guide rail pair is positioned on the clamp body by utilizing the limitation of the V-shaped groove, so that the wear surface of the guide rail pair is better attached to the working surface of a grinding wheel, the surface finish of the guide rail pair is improved in a plane grinding mode, the precision requirement is met again, and the old guide rail is ground to replace a new guide rail pair.
Description
Technical Field
The utility model relates to a numerical control technical field especially relates to a vice coping positioning fixture of V type guide rail.
Background
With the development of scientific technology, most advanced numerical control grinding technology is used in many domestic bearing factories, the production efficiency and the product precision are greatly improved, the productivity is liberated, a steel V-shaped guide rail pair is generally used in a numerical control grinding machine, the guide rail pair and the rolling bodies are seriously abraded due to the friction between the surface of the guide rail and the rolling bodies after long-time use, the precision of a processed product is reduced, the guide rail pair needs to be replaced again in order to ensure the product precision, but the cost of replacing a new guide rail pair is higher, if the old guide rail pair is repaired by adopting a method for grinding the guide rail, the fund can be saved, but when the V-shaped guide rail pair is ground, an adaptive clamp is not used for fixing the V-shaped guide rail pair, and the stability of the V-shaped guide rail pair during grinding can not be ensured. Aiming at the problems, the grinding positioning fixture of the V-shaped guide rail pair, which is simple and convenient to use and can meet the precision requirement of the guide rail pair, is developed by my company to grind the old guide rail, the test effect is obvious, and the precision of the ground old guide rail pair is almost the same as that of a purchased new guide rail.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a vice coping positioning fixture of V type guide rail that convenient, guide rail pair repaiies precision height easy to use.
The utility model provides a grinding and positioning fixture of a V-shaped guide rail pair, which comprises a fixture body made of copper, wherein a V-shaped groove is formed downwards on the top surface of the fixture body along the length direction, and the V-shaped groove penetrates through the fixture body from front to back; the top surface of anchor clamps body is provided with a plurality of jacks inwards, just the jack internal stability has the cylindric lock of steel material, through the cylindric lock is inhaled anchor clamps body magnetism on the grinding machine disk.
As a further improvement of the utility model, the rectangular channel has been seted up to the bottom in V type groove, just the rectangular channel equals with V type groove length.
As a further improvement, the front end face and the rear end face of the clamp body are fixedly provided with the stop plates corresponding to the V-shaped grooves, and the guide rail pair is prevented from moving back and forth in the V-shaped grooves.
As a further improvement, the utility model discloses a at least one screwed connection puller bolt on the backstop board, but the relative pivoted of puller bolt inner is provided with the locating plate, locating plate and V type groove clearance fit.
As a further improvement of the utility model, the thread bush has been set firmly on the backstop plate, be equipped with on the locating plate with puller bolt tip matched with roating seat.
As a further improvement of the utility model, the backstop plate and the locating plate are made of copper.
As a further improvement, the anchor clamps body both ends all are equipped with a plurality of mounting holes, the backstop board twists the fix with screw in the mounting hole through a plurality of on the terminal surface around the anchor clamps body.
As a further improvement of the utility model, the included angle of the two side edges of the V-shaped groove is 90 degrees.
The utility model provides a pair of vice coping positioning fixture of V type guide rail has following beneficial effect:
the utility model discloses an anchor clamps body for the vice design matching of V type guide rail, and it is right angled V type groove to set up the contained angle on the anchor clamps body, when the coping guide rail is vice, with one side embedding identical V type inslot with it of its bottom, the restriction that utilizes V type groove is vice with the guide rail location on the anchor clamps body, so that the vice wearing and tearing face of guide rail pastes the working face that fits the emery wheel better, the mode through the plane coping improves the vice smooth finish of guide rail, make it satisfy the precision demand again, it is vice with the mode replacement new guide rail of the old guide rail of coping, make needn't more renew after the vice wearing and tearing of guide rail, and the economic cost is reduced.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the middle clamp body of the present invention;
FIG. 3 is a schematic view of another structure of the clamp body of the present invention;
FIG. 4 is a schematic view of the structure of the utility model;
fig. 5 is an exploded view of the stop plate and the positioning plate according to the present invention.
Reference numbers in the figures: 1. a clamp body; 2. a V-shaped groove; 3. a stopper plate; 4. a rectangular groove; 5. a jack; 6. a cylindrical pin; 7. mounting holes; 8. a screw; 9. jacking the bolt; 10. positioning a plate; 11. a threaded sleeve; 12. a rotating seat, 13 guide rail pairs and 14 grinding wheels.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The utility model provides a vice coping positioning fixture of V type guide rail, this coping positioning fixture are vice and design in order to adapt to the V type guide rail of the unsmooth V type roller of coping, and the mode through the coping makes the guide rail after wearing and tearing vice satisfying the precision demand again to this replaces the guide rail of renewal pair, compares in that the guide rail of renewal is vice, and the mode of coping can greatly reduced use cost.
Specifically, as shown in fig. 1, the coping positioning fixture comprises a fixture body 1 magnetically attracted on a grinding machine disk, and when in use, the fixture body 1 is attracted on the grinding machine disk by utilizing magnetic attraction force; during specific implementation, a plurality of jacks 5 are drilled inwards in the top surface of the clamp body 1 and are uniformly distributed on the clamp body 1, a steel cylindrical pin 6 is inserted into each jack 5 in an interference fit mode or in a bolt connection mode, after the magnetic force is applied to the magnetic disk of the grinding machine, the cylindrical pin 6 is tightly adsorbed on the magnetic disk of the grinding machine through magnetic force, so that the clamp body 1 is stabilized on the magnetic disk of the grinding machine, when the guide rail pair 13 is ground, the stability of the clamp body 1 is guaranteed, and the clamp body 1 is prevented from shaking.
In this embodiment, the material of the clamp body 1 is selected from a square brass material, and since the brass material is soft and has good ductility, the wear to the guide rail pair 13 is small when the brass material is in contact with the guide rail pair 13.
As shown in fig. 2, in order to stably place the rail pair in the jig body 1 and to make the wear surface of the rail pair horizontal, a V-shaped groove 2 recessed downward is provided on the top surface of the jig body 1, and the V-shaped groove 2 is subjected to scraping processing, so that the accuracy of the jig body 1 can be ensured, and the V-shaped groove 2 penetrates the jig body 1 in the front and rear directions. The 2 contained angles in V type groove set up according to the vice 13 appearances of guide rail, in this embodiment, in order to make the vice 13 of guide rail can with V type groove 2 abundant contact, set up the right angle with the contained angle in V type groove 2, as shown in fig. 4, after placing the vice 13 of guide rail in V type groove 2, the vice 13 of guide rail and V type groove 2 have sufficient contact surface to guarantee that V type groove 2 can hold up the vice 13 rails of guide rail steadily.
Meanwhile, in order to limit the guide rail pair 13 to move back and forth in the V-shaped groove 2, the two end faces of the clamp body 1 can be provided with the stop plates 3 for sealing the V-shaped groove 2; specifically, mounting holes 7 are formed in two end faces of the clamp body 1, the mounting holes 7 are threaded holes, and then the stop plates 3 can be fixed to the end faces of the clamp body 1 by screwing screws 8 into the mounting holes 7, when the V-shaped groove 2 and the guide rail pair 13 are equal in length, the two stop plates 3 mounted at two ends of the clamp body 1 can limit the guide rail pair 13 to move in the V-shaped groove 2; in addition, in order to prevent the guide rail pair 13 from rigidly contacting the stop plate 3 and reduce abrasion, a rubber pad may be bonded to the surface of the stop plate 3 facing the V-shaped groove 2, and the rubber pad may be used to prevent the two from rigidly contacting.
As shown in fig. 3, in order to avoid the guide rail pair 13 from being adsorbed in the V-shaped groove 2 and simultaneously avoid the guide rail pair 13 from deforming in the use process, the rectangular groove 4 partially overlapped with the guide rail pair 13 is arranged at the bottom of the V-shaped groove 2, after the guide rail pair 13 is placed in the V-shaped groove 2, the right-angle side of the guide rail pair 13 is suspended in the rectangular groove 4, so that the right-angle side of the guide rail pair 13 can be prevented from interfering with the bottom of the V-shaped groove 2, and meanwhile, the guide rail pair 13 can be prevented from being absorbed in the V-shaped groove 2.
In the specific implementation process, the wear surface of the guide rail pair 13 can be kept horizontal through the V-shaped groove 2 of the positioning fixture 1, as shown in fig. 4, in the grinding process, one wear surface of the guide rail pair 13 is kept horizontal, the guide rail pair 13 is rotated by 90 degrees after being repaired, the other wear surface of the guide rail pair is kept horizontal, the guide rail pair 13 is positioned through the V-shaped groove 2 so as to be ground by the grinding wheel 14, the surface finish degree of the guide rail pair 13 can be effectively improved by the plane grinding method, the guide rail pair can reach the tolerance value required by the process, the fixture body 1 can be clamped after the magnetic disk of the grinding machine is magnetized, the straightness is ensured, and the guide rail pair 13 is prevented from being deformed.
In addition, as shown in fig. 5, as a further optimization, in order to meet the requirement of grinding guide rail pairs 13 with different lengths, threaded sleeves 11 are welded on one or 2 of the stop plates 3, tightening bolts 9 are spirally connected in the threaded sleeves 11, and the inner ends of the tightening bolts 9 are rotatably arranged on the positioning plate 10 through rotating seats 12. The positioning plate 10 is in a profile modeling design with the V-shaped groove 2 and the rectangular groove 4, so that the positioning plate 10 can move in the V-shaped groove 2 and the rectangular groove 4 in a clearance manner; when the guide rail pair 13 with different lengths is adapted, the puller bolt 9 can be adjusted to drive the positioning plate 10 to adjust the positions in the V-shaped groove 2 and the rectangular groove 4, so that the positioning plate 10 is abutted against the end surface of the guide rail pair 13, thereby fixing the guide rail pair 13 with different lengths in the V-shaped groove 2, expanding the application range,
the utility model provides a pair of vice coping positioning fixture of V type guide rail's theory of operation as follows: the matched clamp body 1 is designed for the V-shaped guide rail pair, the V-shaped groove 2 with a right-angled included angle is arranged on the clamp body 1, one side of the bottom of the guide rail pair 13 is embedded into the V-shaped groove 2 matched with the bottom of the guide rail pair when the guide rail pair 13 is ground, the guide rail pair 13 is positioned on the clamp body 1 by utilizing the limitation of the V-shaped groove 2, so that the wear surface of the guide rail pair 13 is better attached to the working surface of the grinding wheel 14, the surface finish degree of the guide rail pair 13 is improved in a plane grinding mode, the precision requirement is met again, a new guide rail is replaced by an old guide rail grinding mode, the guide rail is not needed to be replaced by a new guide rail after being worn, and the use cost is reduced.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a vice coping positioning fixture of V type guide rail which characterized in that: the fixture comprises a fixture body made of copper, wherein a V-shaped groove is formed in the top surface of the fixture body downwards along the length direction, and the V-shaped groove penetrates through the fixture body from front to back; the top surface of anchor clamps body is provided with a plurality of jacks inwards, just the jack internal stability has the cylindric lock of steel material, through the cylindric lock is inhaled anchor clamps body magnetism on the grinding machine disk.
2. The grinding and positioning fixture for the V-shaped guide rail pair according to claim 1, wherein a rectangular groove is formed in the bottom of the V-shaped groove, and the length of the rectangular groove is equal to that of the V-shaped groove.
3. The grinding and positioning fixture for the V-shaped guide rail pair as claimed in claim 1, wherein stop plates corresponding to the V-shaped grooves are fixedly arranged on the front end surface and the rear end surface of the fixture body and used for preventing the guide rail pair from moving back and forth in the V-shaped grooves.
4. The grinding and positioning fixture of the V-shaped guide rail pair as claimed in claim 3, wherein at least one of the stop plates is spirally connected with a puller bolt, the inner end of the puller bolt is relatively rotatably provided with a positioning plate, and the positioning plate is in clearance fit with the V-shaped groove.
5. The grinding and positioning fixture of a V-shaped guide rail pair according to claim 4, wherein a threaded sleeve is fixedly arranged on the stop plate, and a rotating seat matched with the end of the tightening bolt is arranged on the positioning plate.
6. The grinding and positioning fixture of the V-shaped guide rail pair as claimed in claim 4, wherein the stop plate and the positioning plate are both made of copper.
7. The grinding and positioning fixture of the V-shaped guide rail pair according to claim 3, wherein a plurality of mounting holes are formed at both ends of the fixture body, and the stop plates are fixed on the front and rear end surfaces of the fixture body through a plurality of screws screwed into the mounting holes.
8. The grinding and positioning fixture of the V-shaped guide rail pair according to claim 1, wherein an included angle between two side edges of the V-shaped groove is 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222432448.3U CN218397610U (en) | 2022-09-14 | 2022-09-14 | Grinding positioning fixture for V-shaped guide rail pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222432448.3U CN218397610U (en) | 2022-09-14 | 2022-09-14 | Grinding positioning fixture for V-shaped guide rail pair |
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| Publication Number | Publication Date |
|---|---|
| CN218397610U true CN218397610U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222432448.3U Active CN218397610U (en) | 2022-09-14 | 2022-09-14 | Grinding positioning fixture for V-shaped guide rail pair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752680A (en) * | 2023-08-18 | 2023-09-15 | 山东同力建设项目管理有限公司 | Truss separated floor slab and construction method thereof |
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2022
- 2022-09-14 CN CN202222432448.3U patent/CN218397610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752680A (en) * | 2023-08-18 | 2023-09-15 | 山东同力建设项目管理有限公司 | Truss separated floor slab and construction method thereof |
| CN116752680B (en) * | 2023-08-18 | 2023-11-10 | 山东同力建设项目管理有限公司 | Truss separated floor slab and construction method thereof |
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