CN220241129U - Centering shaft of numerically controlled grinder fixture - Google Patents
Centering shaft of numerically controlled grinder fixture Download PDFInfo
- Publication number
- CN220241129U CN220241129U CN202321769041.8U CN202321769041U CN220241129U CN 220241129 U CN220241129 U CN 220241129U CN 202321769041 U CN202321769041 U CN 202321769041U CN 220241129 U CN220241129 U CN 220241129U
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- shaft
- fixedly connected
- bevel gear
- centering shaft
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 45
- 230000000694 effects Effects 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a centering shaft of a numerical control grinding machine fixture, which relates to the technical field of fixture centering shafts and comprises a shaft body, wherein the bottom end of the shaft body is fixedly connected with a connecting shaft, and the inner side of the shaft body is provided with a fixing mechanism. According to the utility model, through the mutual matching among the hexagonal knob, the first bevel gear, the second bevel gear, the threaded rod, the threaded sliding plate, the sliding push plate and the semicircular fixing key, when the centering shaft is installed and fixed, the connecting shaft is inserted into the oil cylinder, the first bevel gear can be driven to rotate and the second bevel gear can be driven to rotate through rotating the hexagonal knob, so that the threaded rod can be driven to rotate and the threaded sliding plate can be driven to move, and the semicircular fixing key can be pushed to move through the sliding push plate, so that the semicircular fixing key can be clamped into the oil cylinder, the centering shaft can be fixed, the connecting loosening is avoided, and the centering shaft is convenient to use.
Description
Technical Field
The utility model relates to the technical field of clamp centering shafts, in particular to a centering shaft of a numerical control grinder clamp.
Background
Along with the rapid development of science and technology, new technology and new process are endless, and requirements on processing precision, processing modes and the like of production equipment in various industries are higher and higher. The clamp is a key component of the numerical control internal grinder, and the clamping mode of the clamp determines the machining precision of the machine tool.
According to patent publication number CN 218947358U: the utility model provides a centering shaft of a numerical control grinding machine fixture, which comprises a shaft body, wherein one end of the shaft body is provided with a shaft shoulder, and the end face of the other end of the shaft body is coaxially provided with a round hole; the periphery of the end part of the shaft body, which is positioned at one end of the round hole, is provided with a tapered centering surface. The centering shaft of the numerical control grinding machine fixture provided by the utility model has the advantages of simple structure, reasonable design, convenience in processing, suitability for mass production, capability of ensuring that two parts of the centering shaft and the cylinder are completely concentric, convenience in operation and improvement in working efficiency.
When the centering shaft is connected and fixed in the above patent, the oil cylinder is connected through the bolts, the centering shaft is driven to move by the oil cylinder, but under continuous rotation, the connected bolts are easy to loosen, so that the connection effect is affected, and meanwhile, the centering shaft in the above patent can realize elastic shrinkage through the notch, so that the concentricity can be improved, but the elasticity of the centering shaft is mainly provided by materials, so that the elastic shrinkage effect is poor, and the use of the centering shaft is not facilitated.
Disclosure of Invention
The utility model provides a centering shaft of a numerical control grinder clamp, which aims to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the centering shaft of the numerical control grinding machine clamp comprises a shaft body, wherein the bottom end of the shaft body is fixedly connected with a connecting shaft, the inner side of the shaft body is provided with a fixing mechanism, and the top of the shaft body is provided with a notch.
The fixing mechanism comprises a hexagonal knob, the hexagonal knob is movably connected to the inner side of the shaft body, a first bevel gear is connected to an ejector rod at one end of the hexagonal knob, the first bevel gear is movably connected to the inner side of the connecting shaft, a second bevel gear is connected to the side face of the first bevel gear in a meshed mode, a threaded rod is fixedly connected to the side face of the second bevel gear, a threaded sliding plate is connected to the side face of the threaded rod in a meshed mode, a sliding push plate is fixedly connected to the right end of the threaded sliding plate, and a semicircular fixing key is fixedly connected to the right side of the sliding push plate.
The technical scheme of the utility model is further improved as follows: the semicircle stationary key includes the semicircle key, semicircle key fixed connection is on the right side of slip push pedal, the inside right-hand member sliding connection of semicircle key has the extrusion roof, the left end fixedly connected with tight spring in top of extrusion roof.
By adopting the technical scheme, the semicircular key, the extrusion top plate and the jacking springs in the scheme are matched with each other, so that the inside of the oil cylinder can be jacked and fixed.
The technical scheme of the utility model is further improved as follows: the side swing joint of tight spring in top has the push rod, the one end swing joint of push rod has the tight board in top, tight board sliding connection in top is in the side of semicircle key.
By adopting the technical scheme, the push rod and the jacking plate in the scheme are matched with each other, so that the connecting and fixing effect on the oil cylinder is better.
The technical scheme of the utility model is further improved as follows: the notch comprises a straight notch, the straight notch is formed in the top end of the shaft body, and a round notch is formed in the bottom end of the straight notch.
By adopting the technical scheme, the straight slot and the round slot in the scheme are matched with each other, so that the centering shaft can conveniently perform elastic contraction.
The technical scheme of the utility model is further improved as follows: the left end and the right end of the ejector rod are arranged in the shaft body, the right end of the ejector rod is fixedly connected with a first extrusion plate, and the side surface of the first extrusion plate is fixedly connected with a first extrusion spring.
By adopting the technical scheme, the ejector rod, the first extrusion plate and the first extrusion spring in the scheme are matched with each other, so that more elastic support can be provided for the centering shaft.
The technical scheme of the utility model is further improved as follows: the left end of the ejector rod is fixedly connected with a second extrusion plate, and the side surface of the second extrusion plate is fixedly connected with a second extrusion spring.
By adopting the technical scheme, the second extrusion plate and the second extrusion spring in the scheme are matched with each other, so that the centering shaft has better elastic shrinkage performance.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a centering shaft of a numerical control grinding machine fixture, which is characterized in that a hexagonal knob, a first bevel gear, a second bevel gear, a threaded rod, a threaded sliding plate, a sliding push plate and a semicircular fixing key are matched with each other, when the centering shaft is installed and fixed, a connecting shaft is inserted into an oil cylinder, the hexagonal knob is rotated, so that the first bevel gear can be driven to rotate, the second bevel gear can be driven to rotate, the threaded rod can be driven to rotate, the threaded sliding plate can be driven to move, the sliding push plate can be used for pushing the semicircular fixing key to move, the semicircular fixing key can be clamped into the oil cylinder, the centering shaft can be fixed, the fixed effect is ensured, the loosening of connection is avoided, and the centering shaft is convenient to use.
2. The utility model provides a centering shaft of a numerical control grinding machine fixture, which is characterized in that through the mutual matching of a straight notch, a round notch, a push rod, a first extrusion plate, a first extrusion spring, a second extrusion plate and a second extrusion spring, the top of the centering shaft can elastically contract through the arrangement of the straight notch and the round notch, meanwhile, the first extrusion spring is pushed by the push rod to push the first extrusion plate, and meanwhile, the second extrusion spring is pushed by the push rod to push the second extrusion plate, so that the elastic contraction performance of the centering shaft is better, the concentricity of the centering shaft can be better improved, and the centering shaft is more convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the fixing mechanism of the present utility model;
FIG. 3 is a schematic cross-sectional view of a semi-circular fixing key according to the present utility model;
fig. 4 is a schematic cross-sectional view of the shaft body of the present utility model.
In the figure: 1. a shaft body; 2. a connecting shaft; 3. a fixing mechanism; 31. a hexagonal knob; 32. bevel gears I; 33. bevel gears II; 34. a threaded rod; 35. a threaded slide plate; 36. a sliding push plate; 37. semicircular fixing keys; 371. a half round key; 372. extruding a top plate; 373. a spring is tightly propped; 374. a push rod; 375. a pressing plate; 4. a notch; 41. a straight slot; 42. a circular notch; 43. a push rod; 44. a first extrusion plate; 45. extruding a first spring; 46. a second extrusion plate; 47. and extruding the second spring.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a centering shaft of a numerical control grinding machine fixture, which comprises a shaft body 1, wherein the bottom end of the shaft body 1 is fixedly connected with a connecting shaft 2, the inner side of the shaft body 1 is provided with a fixing mechanism 3, the top of the shaft body 1 is provided with a notch 4, the fixing mechanism 3 comprises a hexagonal knob 31, the hexagonal knob 31 is movably connected to the inner side of the shaft body 1, one end ejector rod of the hexagonal knob 31 is connected with a bevel gear I32, the bevel gear I32 is movably connected to the inner side of the connecting shaft 2, the side surface of the bevel gear I32 is in meshed connection with a bevel gear II 33, the side surface of the bevel gear II 33 is fixedly connected with a threaded rod 34, the side surface of the threaded rod 34 is in meshed connection with a threaded slide plate 35, the right end of the threaded slide plate 35 is fixedly connected with a sliding push plate 36, and the right side of the sliding push plate 36 is fixedly connected with a semicircular fixing key 37.
In this embodiment, when installing fixedly to the centering shaft body 1, insert connecting axle 2 in the hydro-cylinder, through rotating hexagonal knob 31, thereby can drive bevel gear one 32 and rotate, and can drive bevel gear two 33 and rotate, thereby can drive threaded rod 34 and rotate, and can drive screw slide 35 and remove, thereby can be through sliding push pedal 36, promote semicircle stationary key 37 and remove, make semicircle stationary key 37 can block into the inside of hydro-cylinder, thereby can fix centering shaft body 1, the fixed effect of assurance, the loosening of connection has been avoided, the use of centering shaft has been made things convenient for.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the semicircular fixing key 37 comprises a semicircular key 371, the semicircular key 371 is fixedly connected to the right side of the sliding push plate 36, the right end of the inside of the semicircular key 371 is slidably connected with an extrusion top plate 372, the left end of the extrusion top plate 372 is fixedly connected with a pushing spring 373, the side face of the pushing spring 373 is movably connected with a push rod 374, one end of the push rod 374 is movably connected with a pushing plate 375, and the pushing plate 375 is slidably connected to the side face of the semicircular key 371.
In this embodiment, when the centering shaft is fixed by the semicircular fixing key 37, the pressing top plate 372 is pressed along with the insertion of the semicircular key 371, so that movement can be performed, and the pressing spring 373 is pressed, so that the pressing plate 375 can be pushed by the push rod 374 to slide from two sides of the semicircular key 371, and the inside of the oil cylinder can be pressed tightly, so that the fixing effect on the centering shaft is better.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the notch 4 comprises a straight notch 41, the straight notch 41 is formed in the top end of the shaft body 1, a round notch 42 is formed in the bottom end of the straight notch 41, a push rod 43 is arranged on the inner side of the straight notch 41, the left end and the right end of the push rod 43 are all arranged in the shaft body 1, the right end of the push rod 43 is fixedly connected with a first extrusion plate 44, the side face of the first extrusion plate 44 is fixedly connected with a first extrusion spring 45, the left end of the push rod 43 is fixedly connected with a second extrusion plate 46, and the side face of the second extrusion plate 46 is fixedly connected with a second extrusion spring 47.
In this embodiment, through the setting of straight notch 41 and circular slot 42 for the top of centering shaft body 1 can carry out elastic contraction, can push up the extrusion board one 44 through ejector pin 43 simultaneously and extrude extrusion spring one 45, can also push up the extrusion board two 46 simultaneously and extrude extrusion spring two 47, makes the elastic contraction performance of centering shaft body 1 better, thereby can improve centering shaft's concentricity better, makes centering shaft's use more convenient.
The working principle of the centering shaft of the numerical control grinder clamp is specifically described below.
As shown in fig. 1-4, when the centering shaft is used, the connecting shaft 2 is inserted into the oil cylinder, the first bevel gear 32 can be driven to rotate through the hexagonal knob 31, the second bevel gear 33 drives the threaded rod 34 to rotate, the threaded slide plate 35 is driven to move, the semicircular fixing key 37 can be pushed to be clamped into the oil cylinder through the sliding push plate 36, the centering shaft can be fixed, the top of the centering shaft can be elastically contracted through the arrangement of the straight notch 41 and the circular notch 42, meanwhile, the first extrusion plate 44 can be pushed by the push rod 43 to extrude the first extrusion spring 45, and meanwhile, the second extrusion plate 46 can be pushed by the second extrusion spring 47, so that the elastic contraction performance of the centering shaft is better, the concentricity of the centering shaft can be better improved, and the centering shaft is more convenient to use.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a centering shaft of numerically control grinder anchor clamps, includes axis body (1), the bottom fixedly connected with connecting axle (2) of axis body (1), its characterized in that: the inner side of the shaft body (1) is provided with a fixing mechanism (3), and the top of the shaft body (1) is provided with a notch (4);
the fixing mechanism (3) comprises a hexagonal knob (31), the hexagonal knob (31) is movably connected to the inner side of the shaft body (1), one end ejector rod of the hexagonal knob (31) is connected with a first bevel gear (32), the first bevel gear (32) is movably connected to the inside of the connecting shaft (2), a second bevel gear (33) is connected to the side face of the first bevel gear (32) in a meshed mode, a threaded rod (34) is fixedly connected to the side face of the second bevel gear (33), a threaded slide plate (35) is connected to the side face of the threaded rod (34) in a meshed mode, a sliding push plate (36) is fixedly connected to the right end of the threaded slide plate (35), and a semicircular fixing key (37) is fixedly connected to the right side of the sliding push plate (36).
2. The centering shaft of a numerically controlled grinder fixture as set forth in claim 1, wherein: the semicircle stationary key (37) includes semicircle key (371), semicircle key (371) fixed connection is on the right side of sliding push pedal (36), inside right-hand member sliding connection of semicircle key (371) has extrusion roof (372), the left end fixedly connected with top tight spring (373) of extrusion roof (372).
3. The centering shaft of a numerically controlled grinder fixture as set forth in claim 2, wherein: the side swing joint of tight spring in top (373) has push rod (374), the one end swing joint of push rod (374) has tight board in top (375), tight board in top (375) sliding connection is in the side of semicircle key (371).
4. The centering shaft of a numerically controlled grinder fixture as set forth in claim 1, wherein: the notch (4) comprises a straight notch (41), the straight notch (41) is formed in the top end of the shaft body (1), and a round notch (42) is formed in the bottom end of the straight notch (41).
5. The centering shaft of a numerically controlled grinder fixture as set forth in claim 4, wherein: the inside of straight slot (41) is provided with ejector pin (43), both ends all set up in the inside of axis body (1) about ejector pin (43), the right-hand member fixedly connected with stripper plate one (44) of ejector pin (43), the side fixedly connected with extrusion spring one (45) of stripper plate one (44).
6. The centering shaft of a numerically controlled grinder fixture as set forth in claim 5, wherein: the left end of the ejector rod (43) is fixedly connected with a second extrusion plate (46), and the side surface of the second extrusion plate (46) is fixedly connected with a second extrusion spring (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769041.8U CN220241129U (en) | 2023-06-27 | 2023-06-27 | Centering shaft of numerically controlled grinder fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769041.8U CN220241129U (en) | 2023-06-27 | 2023-06-27 | Centering shaft of numerically controlled grinder fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220241129U true CN220241129U (en) | 2023-12-26 |
Family
ID=89227133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321769041.8U Active CN220241129U (en) | 2023-06-27 | 2023-06-27 | Centering shaft of numerically controlled grinder fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220241129U (en) |
-
2023
- 2023-06-27 CN CN202321769041.8U patent/CN220241129U/en active Active
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