CN220516092U - Clamping jig for concentricity processing - Google Patents
Clamping jig for concentricity processing Download PDFInfo
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- CN220516092U CN220516092U CN202321876345.4U CN202321876345U CN220516092U CN 220516092 U CN220516092 U CN 220516092U CN 202321876345 U CN202321876345 U CN 202321876345U CN 220516092 U CN220516092 U CN 220516092U
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- 230000005540 biological transmission Effects 0.000 claims description 38
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a clamping jig for concentricity processing, which comprises a base, wherein hydraulic lifting devices are arranged on two sides of the inside of the base, and fixed ends of the hydraulic lifting devices are fixed with the base; further comprises: the adjusting seat is arranged at the telescopic end of the hydraulic lifting device, a rotary frame is arranged between the adjusting seats, and the rotary frame is connected with the adjusting seat through a rotating shaft; the first clamping plates are symmetrically arranged on two sides of the inside of the rotating frame and are in sliding connection with the rotating frame; the second grip block, its symmetry sets up the inside upper and lower end of first grip block, and one side and first grip block sliding connection of second grip block have solved clamping tool and have caused inconvenient problem when processing for the work piece upset because of the flexibility is relatively poor.
Description
Technical Field
The utility model relates to the technical field of clamping jigs, in particular to a clamping jig for concentricity processing.
Background
Concentricity is a special form of coaxiality. When the measured element is the center (point) of a circle and the axis of a hole or a shaft on the thin workpiece, the measured axis is considered as the measured point, and the coaxiality of the measured axis and the reference axis is concentricity. Therefore, projection measurement can be carried out on concentricity measurement, coaxiality is an important technical index for evaluating cylindrical workpieces, and coaxiality errors directly affect assembly and use of the workpieces.
For example, chinese patent publication No. CN211708715U, entitled "a fixture device for controlling concentric roundness of lathe machining", includes a first support plate, a first groove is formed in the first support plate, a dual-shaft motor is fixedly connected in the first groove, a first screw rod and a second screw rod are fixedly connected on two output shafts of the dual-shaft motor, first screw sleeves are screwed on surfaces of the first screw rod and the second screw rod, first fixing blocks are fixedly connected on top ends of the two first screw sleeves, and movable rods are rotatably connected to the two first fixing blocks through a first pin shaft; the two output shafts of the double-shaft motor are arranged to rotate to drive the first screw rod and the second screw rod to rotate, so that the two first threaded sleeves are driven to do relative motion or move back to back, and the movable rod can be driven to ascend or descend under the sliding fit of the first sliding block in the first sliding groove, so that the height of the second supporting plate can be conveniently adjusted.
The prior art can realize clamping of a workpiece, but has poor flexibility, and because the workpiece is not limited to one surface for machining, and the other surface is required to be machined, the prior art often needs to stop operation during overturning, and the machining efficiency of the workpiece is affected, so that the prior requirements are not met, and the clamping jig for machining concentricity is provided.
Disclosure of Invention
The utility model aims to provide a clamping jig for concentricity processing, which solves the problem that the clamping jig provided in the background art is inconvenient to turn over a workpiece due to poor flexibility.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping jig for concentricity processing comprises a base, wherein hydraulic lifting devices are arranged on two sides of the inside of the base, and fixed ends of the hydraulic lifting devices are fixed with the base; further comprises:
the adjusting seat is arranged at the telescopic end of the hydraulic lifting device, a rotary frame is arranged between the adjusting seats, and the rotary frame is connected with the adjusting seat through a rotating shaft;
the first clamping plates are symmetrically arranged on two sides of the inside of the rotating frame and are in sliding connection with the rotating frame;
the second clamping plate is symmetrically arranged at the upper end and the lower end inside the first clamping plate, and one side of the second clamping plate is in sliding connection with the first clamping plate.
Preferably, the inside of rotating frame front and back end all rotates and installs first double-thread transmission pole, the outside both sides of first double-thread transmission pole all install rather than the first slider of looks adaptation, and one side and the first grip block of first slider are fixed through the link.
Preferably, one end of the first double-thread transmission rod is provided with a transmission rod, a driven bevel gear is fixedly arranged outside the transmission rod, a double-shaft motor is installed in the inner wall of one side of the rotating frame, a driving rod is installed on the output shaft of the double-shaft motor, a driving bevel gear is installed at one end of the driving rod, and the driving bevel gear is meshed with the driven bevel gear.
Preferably, a servo motor is arranged in the adjusting seat at one side, and an output shaft of the servo motor is in transmission connection with a rotating shaft at one end of the rotating frame through a coupler.
Preferably, a second double-thread transmission rod is installed in the first clamping plate, the upper end and the lower end of the outer portion of the second double-thread transmission rod are respectively provided with a second sliding block matched with the second double-thread transmission rod, one side of each second sliding block is fixed with the second clamping plate, the upper end of each first clamping plate is respectively provided with a driving mechanism, and an output shaft of an internal motor of each driving mechanism is connected with the second double-thread transmission rod.
Preferably, grooves are formed in two sides of the upper end face of the base.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first clamping plates are arranged, the workpiece can be replaced according to the types of workpieces, the workpiece is placed between the two first clamping plates during clamping, the output shaft of the double-shaft motor is started to drive the driving rod to rotate, so that the driving bevel gear is driven to rotate, the two first double-thread transmission rods are driven to synchronously rotate under the meshing of the driving bevel gear, the first sliding block outside the first double-thread transmission rod is matched with the first sliding block, the rotating motion is converted into the linear motion under the action of friction force, so that the connecting frame drives the first clamping plates to move towards the workpiece until the first clamping plates are fixed, then the motor inside the driving mechanism is started to drive the second double-thread transmission rod to rotate, and the second sliding motion drives the second clamping plates to approach towards the workpiece in the vertical direction, so that the workpiece is positioned at the middle position of the first clamping plates in the vertical direction.
2. According to the utility model, the hydraulic lifting device is arranged, when the hydraulic lifting device is positioned at a low position, the workpiece can be installed, after the workpiece is fixed through the cooperation of the first clamping plate and the second clamping plate, the workpiece is lifted to a high position through the hydraulic lifting device, the workpiece is machined by cooperation with lathe equipment, when the workpiece needs to be overturned, the servo motor is only required to be started, the output shaft of the servo motor can drive the rotating frame to rotate and adjust, so that the workpiece can be overturned for one hundred eighty degrees, and the other surface of the workpiece can be machined by cooperation with machining equipment.
3. According to the utility model, the grooves are formed in the two sides of the upper end surface of the base, when the rotating frame is positioned at the low position, the second clamping plate is positioned in the inner groove of the first clamping plate, the lower end of the first clamping plate is positioned in the groove, at the moment, the upper end of the second clamping plate is flush with the upper end surface of the base, and the workpiece is supported by the central position of the base, so that convenience is provided for subsequent clamping work.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of a first clamping plate and a second clamping plate according to the present utility model;
fig. 4 is an enlarged view of a portion of the area a of fig. 2 in accordance with the present utility model.
In the figure: 1. a base; 2. a hydraulic lifting device; 3. an adjusting seat; 4. a rotating frame; 5. a first clamping plate; 6. a driving mechanism; 7. a second clamping plate; 8. a first double-threaded transmission rod; 9. a first slider; 10. a connecting frame; 11. a biaxial motor; 12. a servo motor; 13. a groove; 14. a second double-threaded transmission rod; 15. a second slider; 16. a driving rod; 17. a driving bevel gear; 18. a transmission rod; 19. driven bevel gears.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the clamping jig for concentricity processing comprises a base 1, wherein hydraulic lifting devices 2 are arranged on two sides of the inside of the base 1, and fixed ends of the hydraulic lifting devices 2 are fixed with the base 1; further comprises:
the adjusting seat 3 is arranged at the telescopic end of the hydraulic lifting device 2, a rotary frame 4 is arranged between the adjusting seats 3, and the rotary frame 4 is connected with the adjusting seat 3 through a rotating shaft;
the first clamping plates 5 are symmetrically arranged at two sides of the inside of the rotating frame 4, and the first clamping plates 5 are in sliding connection with the rotating frame 4;
the second clamping plate 7 is symmetrically arranged at the upper end and the lower end inside the first clamping plate 5, and one side of the second clamping plate 7 is in sliding connection with the first clamping plate 5.
Referring to fig. 2, the first double-threaded transmission rod 8 is rotatably installed in the front and rear ends of the rotating frame 4, the first sliding blocks 9 adapted to the first double-threaded transmission rod 8 are installed on two sides of the outer portion of the first double-threaded transmission rod 8, and one side of each first sliding block 9 is fixed to the first clamping plate 5 through a connecting frame 10.
When the hydraulic lifting device 2 is positioned at a low position, the workpiece can be installed, after the workpiece is fixed through the cooperation of the first clamping plate 5 and the second clamping plate 7, the workpiece is lifted to a high position through the hydraulic lifting device 2, and is machined through cooperation of lathe equipment, when the workpiece needs to be overturned, the servo motor 12 is only required to be started, the output shaft of the servo motor can drive the rotating frame 4 to rotate and adjust, so that the workpiece can be overturned by one hundred eighty degrees, the workpiece can be clamped and fixed through cooperation of machining equipment on the other surface of the workpiece.
Referring to fig. 2 and 4, one end of the first double-threaded transmission rod 8 is provided with a transmission rod 18, a driven bevel gear 19 is fixedly arranged outside the transmission rod 18, a double-shaft motor 11 is installed in the inner wall of one side of the rotating frame 4, a driving rod 16 is installed on the output shaft of the double-shaft motor 11, a driving bevel gear 17 is installed at one end of the driving rod 16, and the driving bevel gear 17 is meshed with the driven bevel gear 19, so that synchronous rotation of the two first double-threaded transmission rods 8 is realized.
Referring to fig. 2, a servo motor 12 is installed in the one-side adjusting seat 3, and an output shaft of the servo motor 12 is in transmission connection with a rotating shaft at one end of the rotating frame 4 through a coupling.
Referring to fig. 3, a second double-thread transmission rod 14 is installed in the first clamping plate 5, the upper end and the lower end of the outer portion of the second double-thread transmission rod 14 are both provided with a second sliding block 15 matched with the second double-thread transmission rod, one side of the second sliding block 15 is fixed with the second clamping plate 7, the upper end of the first clamping plate 5 is both provided with a driving mechanism 6, and an output shaft of an internal motor of the driving mechanism 6 is connected with the second double-thread transmission rod 14.
Referring to fig. 1, grooves 13 are formed on two sides of the upper end surface of the base 1, when the rotating frame 4 is located at a low position, the second clamping plate 7 is located in the inner groove of the first clamping plate 5, the lower end of the first clamping plate 5 is located inside the grooves 13, at this time, the upper end of the second clamping plate 7 is flush with the upper end surface of the base 1, and the workpiece is supported by the central position of the base 1, so that convenience is provided for subsequent clamping work.
Working principle: during clamping, a workpiece is placed between the two first clamping plates 5, the output shaft of the double-shaft motor 11 is started to drive the driving rod 16 to rotate, so that the driving bevel gear 17 is driven to rotate, the two first double-thread transmission rods 8 are driven to synchronously rotate under the meshing of the driven bevel gear 19, the first sliding blocks 9 outside the first double-thread transmission rods 8 are matched with the first sliding blocks, the rotating motion is converted into linear motion under the action of friction force, the connecting frame 10 drives the first clamping plates 5 to move towards the workpiece until the first clamping plates are fixed, then the motor inside the driving mechanism 6 is started to drive the second double-thread transmission rods 14 to rotate, and the second sliding blocks 15 are driven to drive the second clamping plates 7 to approach the workpiece in the vertical direction, so that the workpiece is positioned at the middle position of the first clamping plates 5 in the vertical direction.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (6)
1. The clamping jig for concentricity processing comprises a base (1), wherein hydraulic lifting devices (2) are arranged on two sides of the inside of the base (1), and fixed ends of the hydraulic lifting devices (2) are fixed with the base (1);
the method is characterized in that: further comprises:
the adjusting seat (3) is arranged at the telescopic end of the hydraulic lifting device (2), a rotating frame (4) is arranged between the adjusting seats (3), and the rotating frame (4) is connected with the adjusting seat (3) through a rotating shaft;
the first clamping plates (5) are symmetrically arranged at two sides of the interior of the rotating frame (4), and the first clamping plates (5) are in sliding connection with the rotating frame (4);
and the second clamping plates (7) are symmetrically arranged at the upper end and the lower end inside the first clamping plate (5), and one side of each second clamping plate (7) is in sliding connection with the first clamping plate (5).
2. The concentricity processing clamping jig according to claim 1, wherein: the inside of revolving frame (4) front and back end all rotates installs first double-thread transmission pole (8), first slider (9) rather than looks adaptation are all installed to the outside both sides of first double-thread transmission pole (8), and one side and first grip block (5) of first slider (9) are fixed through link (10).
3. The concentricity processing clamping jig according to claim 2, wherein: one end of first double-thread transmission pole (8) all is provided with transfer line (18), the outside fixed driven conical gear (19) that is provided with of transfer line (18), install biax motor (11) in the inner wall of rotating frame (4) one side, actuating lever (16) are all installed to the output shaft of biax motor (11), initiative conical gear (17) are installed to the one end of actuating lever (16), and initiative conical gear (17) are connected with driven conical gear (19) meshing.
4. The concentricity processing clamping jig according to claim 1, wherein: one side of the adjusting seat (3) is internally provided with a servo motor (12), and an output shaft of the servo motor (12) is in transmission connection with a rotating shaft at one end of the rotating frame (4) through a coupler.
5. The concentricity processing clamping jig according to claim 1, wherein: install second double-thread transmission pole (14) in the inside of first grip block (5), the outside upper and lower extreme of second double-thread transmission pole (14) all is provided with second slider (15) rather than looks adaptation, and one side of second slider (15) is fixed with second grip block (7), the upper end of first grip block (5) all is provided with actuating mechanism (6), and the output shaft of actuating mechanism (6) inside motor is connected with second double-thread transmission pole (14).
6. The concentricity processing clamping jig according to claim 1, wherein: grooves (13) are formed in two sides of the upper end face of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321876345.4U CN220516092U (en) | 2023-07-17 | 2023-07-17 | Clamping jig for concentricity processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321876345.4U CN220516092U (en) | 2023-07-17 | 2023-07-17 | Clamping jig for concentricity processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220516092U true CN220516092U (en) | 2024-02-23 |
Family
ID=89931748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321876345.4U Active CN220516092U (en) | 2023-07-17 | 2023-07-17 | Clamping jig for concentricity processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220516092U (en) |
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2023
- 2023-07-17 CN CN202321876345.4U patent/CN220516092U/en active Active
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