CN218947412U

CN218947412U - Clamping jig capable of clamping special-shaped workpiece

Info

Publication number: CN218947412U
Application number: CN202222705402.4U
Authority: CN
Inventors: 赵越
Original assignee: Shandong Hongfang Hydraulic Technology Group Co ltd
Current assignee: Shandong Hongfang Hydraulic Technology Group Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-02
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a clamping jig capable of clamping a special-shaped workpiece, which comprises a connecting plate, wherein a first clamp is fixedly arranged at the top of the connecting plate, a second clamp is fixedly arranged in the middle of the first clamp, and chuck conversion assemblies are fixedly arranged on the front side and the rear side of the first clamp and the left side and the right side of the second clamp. In the above-mentioned scheme, staff's accessible pushes down the slider, make the fixed block remove the fixed to the slider, the spring compression this moment, make the slider rotate one hundred eighty degrees afterwards, the spring, the swivel also can synchronous rotation, then loosen the slider, make the spring expansion play the slider, it is fixed with the slider to match the fixed block, can use square board, arc conversion, utilize above-mentioned structure, can conveniently change square board according to the demand, the arc, make first anchor clamps, second anchor clamps are fixed to the X shape dysmorphism work piece that the end shape is different, can be more stable to its end centre gripping, the effect of improving the whole practicality of device has been reached.

Description

Clamping jig capable of clamping special-shaped workpiece

Technical Field

The utility model relates to the technical field of clamping jigs, in particular to a clamping jig capable of clamping a special-shaped workpiece.

Background

The clamping jig is a device for fixing a workpiece, in the machining process of the workpiece, the machining precision of the workpiece can be improved only by stably fixing the workpiece, but for some X-shaped special-shaped workpieces, the existing clamping jig can only clamp the axial direction of one edge of the special-shaped workpiece, and the clamping stability is poor.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a clamping jig capable of clamping special-shaped workpieces, so as to solve the problem that the existing clamping jig can only clamp one side of the special-shaped workpieces in the axial direction and has poor stability.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a but clamping jig of centre gripping dysmorphism work piece, includes the connecting plate, the top fixed mounting of connecting plate has first anchor clamps, the middle part fixed mounting of first anchor clamps has the second anchor clamps, both sides and the left and right sides of second anchor clamps all fixed mounting have chuck conversion component around the first anchor clamps.

The first clamp comprises a first chassis, a first driving device is fixedly arranged at the front end of the first chassis, a first double-thread screw is rotatably arranged in the middle of the first chassis, first clamping plates are arranged on the front side and the rear side of the first double-thread screw in a threaded mode, a second driving device is fixedly arranged on the right side of the first chassis, a driving bevel gear is fixedly arranged in the middle of the second driving device, and driven bevel gear columns are meshed with the outer surface of the driving bevel gear.

The bottom of first chassis fixed mounting is at the top of connecting plate, the front end demountable installation of first double-thread screw rod is at a drive arrangement's middle part, the bottom activity of first splint cup joints both sides around first chassis, the bottom rotation of driven helical gear post is installed at a chassis's middle part.

The second clamp comprises a second chassis, a third driving device is fixedly arranged on the right side of the second chassis, a second double-threaded screw is rotatably arranged in the middle of the second chassis, second clamping plates are arranged on the left side and the right side of the second double-threaded screw in a threaded mode, the middle of the second chassis is fixedly arranged at the top end of a driven helical gear column, the right end of the second double-threaded screw is detachably arranged in the middle of the third driving device, and the outer surface of the second clamping plates is movably sleeved on the left side and the right side of the second chassis.

The chuck conversion assembly comprises a fixed block, a swivel is rotatably arranged at the bottom of the fixed block, a spring is fixedly connected to the top of the swivel, a sliding block is fixedly connected to the top end of the spring, a square plate is fixedly arranged on the right side of the sliding block, and an arc-shaped plate is fixedly arranged on the left side of the sliding block.

The outer surface of the fixed block is movably sleeved in the middle of the sliding block, the size and the shape of the fixed block are mutually matched with those of the sliding block, and the bottom end of the fixed block is fixedly arranged at the top ends of the first clamping plate and the second clamping plate.

The technical scheme of the utility model has the following beneficial effects:

in the scheme, a worker can drive the driven helical gear column through the second driving device, so that the second clamp is adjusted to an angle mutually matched with the special-shaped workpiece, then the first clamping plate and the second clamping plate are driven to synchronously move in opposite directions through the first driving device and the third driving device, so that the clamping head conversion assembly clamps and positions the axial directions of two sides of the X-shaped special-shaped workpiece, and by utilizing the structure, the two sides of the X-shaped special-shaped workpiece can be clamped and fixed, and the effect of improving the clamping stability is achieved;

the staff accessible pushes down the slider, makes the fixed block remove the fixed to the slider, and the spring compression this moment makes the slider rotate one hundred eighty degrees then, and spring, swivel also can synchronous rotation, then loosens the slider, makes the spring expansion go up the slider bullet, and the collocation fixed block is fixed with the slider, can use square board, arc conversion, utilizes above-mentioned structure, can conveniently change square board, arc according to the demand, makes first anchor clamps, second anchor clamps carry out the centre gripping to its end fixed to the X shape dysmorphism work piece that the end shape is different, has reached the effect that improves the whole practicality of device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a split structure of the present utility model;

FIG. 3 is a schematic view of a first clamp structure according to the present utility model;

FIG. 4 is a schematic view of a second clamp structure according to the present utility model;

fig. 5 is a schematic structural diagram of a chuck conversion assembly according to the present utility model.

[ reference numerals ]

1. A connecting plate; 2. a first clamp; 21. a first chassis; 22. a first driving device; 23. a first double-flighted screw; 24. a first clamping plate; 25. a second driving device; 26. a driving helical gear; 27. driven helical gear column; 3. a second clamp; 31. a second chassis; 32. a third driving device; 33. a second double-flighted screw; 34. a second clamping plate; 4. a collet changeover component; 41. a fixed block; 42. a swivel; 43. a spring; 44. a slide block; 45. a square plate; 46. an arc-shaped plate.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a clamping jig capable of clamping a special-shaped workpiece, which comprises a connecting plate 1, wherein a first clamp 2 is fixedly arranged at the top of the connecting plate 1, a second clamp 3 is fixedly arranged in the middle of the first clamp 2, and chuck conversion assemblies 4 are fixedly arranged on the front side and the rear side of the first clamp 2 and the left side and the right side of the second clamp 3.

The first fixture 2 comprises a first chassis 21, a first driving device 22 is fixedly arranged at the front end of the first chassis 21, a first double-thread screw 23 is rotatably arranged in the middle of the first chassis 21, a first clamping plate 24 is threadably mounted on the front side and the rear side of the first double-thread screw 23, a second driving device 25 is fixedly mounted on the right side of the first chassis 21, a driving bevel gear 26 is fixedly mounted in the middle of the second driving device 25, a driven bevel gear column 27 is mounted on the outer surface of the driving bevel gear 26 in a meshed mode, the first clamping plate 24 is rotatably driven by the first driving device 22 to synchronously move in opposite directions through the first double-thread screw 23 and the first clamping plate 24, the chuck conversion assembly 4 clamps and positions a special-shaped workpiece, the first chassis 21 plays a role in guiding and limiting, and the driving bevel gear column 27 is driven by the second driving device 25 to rotate to adjust the clamping direction of the second fixture 3 through the driving bevel gear 26, and the driven bevel gear column 27.

The bottom of the first chassis 21 is fixedly mounted at the top of the connecting plate 1, the front end of the first double-threaded screw 23 is detachably mounted at the middle of the first driving device 22, the bottom of the first clamping plate 24 is movably sleeved at the front side and the rear side of the first chassis 21, and the bottom of the driven helical gear column 27 is rotatably mounted at the middle of the first chassis 21.

The second clamp 3 includes a second chassis 31, a third driving device 32 is fixedly mounted on the right side of the second chassis 31, a second double-threaded screw 33 is rotatably mounted in the middle of the second chassis 31, a second clamping plate 34 is mounted on the left side and the right side of the second double-threaded screw 33 in a threaded manner, the middle of the second chassis 31 is fixedly mounted at the top end of the driven helical gear column 27, the right end of the second double-threaded screw 33 is detachably mounted in the middle of the third driving device 32, the outer surfaces of the second clamping plate 34 are movably sleeved on the left side and the right side of the second chassis 31, and the second clamping plate 34 is driven to rotate and drive by the third driving device 32 to move in a synchronous and opposite direction by the second double-threaded screw 33, so that the clamping head conversion assembly 4 can clamp and position a special-shaped workpiece, and the second chassis 31 plays a role of guiding and limiting the second clamping plate 34.

The chuck conversion assembly 4 comprises a fixed block 41, a swivel 42 is rotatably arranged at the bottom of the fixed block 41, a spring 43 is fixedly connected to the top of the swivel 42, a sliding block 44 is fixedly connected to the top end of the spring 43, a square plate 45 is fixedly arranged on the right side of the sliding block 44, an arc plate 46 is fixedly arranged on the left side of the sliding block 44, the sliding block 44 is sprung upwards through the fixed block 41 and the spring 43, the effect of fixing and limiting the sliding block 44 through the fixed block 41 is achieved, and the sliding block 44 is pressed down and rotated for one hundred eighty degrees through the arrangement of the sliding block 44, so that the effect of converting the square plate 45 and the arc plate 46 can be achieved.

The outer surface of the fixed block 41 is movably sleeved in the middle of the sliding block 44, the size and shape of the fixed block 41 are mutually matched with those of the sliding block 44, and the bottom ends of the fixed block 41 are fixedly arranged at the top ends of the first clamping plate 24 and the second clamping plate 34.

The working process of the utility model is as follows:

the working personnel can drive the driven helical gear column 27 through the second driving device 25, so that the second clamp 3 is adjusted to an angle mutually matched with the special-shaped workpiece, and then the first clamping plate 24 and the second clamping plate 34 are driven to synchronously move in opposite directions through the first driving device 22 and the third driving device 32, so that the clamp head conversion assembly 4 clamps and positions the axial directions of two sides of the X-shaped special-shaped workpiece;

the staff can make fixed block 41 release the fixed to slider 44 through pushing down slider 44, and the spring 43 compresses at this moment, then makes slider 44 rotate one hundred eighty degrees, and spring 43, swivel 42 also can rotate simultaneously, then loosens slider 44, makes spring 43 expand and goes up the bullet with slider 44, and the cooperation fixed block 41 is fixed slider 44, can change square 45, arc 46 and use.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a but clamping jig of centre gripping dysmorphism work piece, includes connecting plate (1), its characterized in that, the top fixed mounting of connecting plate (1) has first anchor clamps (2), the middle part fixed mounting of first anchor clamps (2) has second anchor clamps (3), both sides and the left and right sides of second anchor clamps (3) all fixed mounting have chuck conversion component (4) around first anchor clamps (2).

2. Clamping jig capable of clamping special-shaped workpieces according to claim 1, characterized in that the first clamp (2) comprises a first chassis (21), a first driving device (22) is fixedly arranged at the front end of the first chassis (21), a first double-threaded screw (23) is rotatably arranged in the middle of the first chassis (21), first clamping plates (24) are arranged on the front side and the rear side of the first double-threaded screw (23) in a threaded manner, a second driving device (25) is fixedly arranged on the right side of the first chassis (21), a driving bevel gear (26) is fixedly arranged in the middle of the second driving device (25), and driven bevel gear columns (27) are arranged on the outer surface of the driving bevel gear (26) in a meshed manner.

3. Clamping jig capable of clamping special-shaped workpieces according to claim 2, characterized in that the bottom of the first chassis (21) is fixedly arranged at the top of the connecting plate (1), the front end of the first double-threaded screw (23) is detachably arranged in the middle of the first driving device (22), the bottom of the first clamping plate (24) is movably sleeved on the front side and the rear side of the first chassis (21), and the bottom end of the driven helical gear column (27) is rotatably arranged in the middle of the first chassis (21).

4. Clamping jig capable of clamping special-shaped workpieces according to claim 1, characterized in that the second clamp (3) comprises a second chassis (31), a third driving device (32) is fixedly arranged on the right side of the second chassis (31), a second double-threaded screw (33) is rotatably arranged in the middle of the second chassis (31), second clamping plates (34) are arranged on the left side and the right side of the second double-threaded screw (33) in a threaded manner, the middle of the second chassis (31) is fixedly arranged at the top end of a driven helical gear column (27), the right end of the second double-threaded screw (33) is detachably arranged in the middle of a third driving device (32), and the outer surface of the second clamping plate (34) is movably sleeved on the left side and the right side of the second chassis (31).

5. Clamping jig capable of clamping special-shaped workpieces according to claim 1, characterized in that the chuck conversion assembly (4) comprises a fixed block (41), a swivel (42) is rotatably arranged at the bottom of the fixed block (41), a spring (43) is fixedly connected to the top of the swivel (42), a sliding block (44) is fixedly connected to the top of the spring (43), a square plate (45) is fixedly arranged on the right side of the sliding block (44), and an arc plate (46) is fixedly arranged on the left side of the sliding block (44).

6. The clamping jig capable of clamping special-shaped workpieces according to claim 5, wherein the outer surface of the fixed block (41) is movably sleeved at the middle part of the sliding block (44), the size and the shape of the fixed block (41) are mutually matched with those of the sliding block (44), and the bottom end of the fixed block (41) is fixedly arranged at the top ends of the first clamping plate (24) and the second clamping plate (34).