TWI603807B - Variable angle clamping device - Google Patents

Description

Variable angle clamping device

The present invention relates to a tool holding device, and more particularly to a variable angle clamping device.

The common basic structure of the vise is mainly provided with a fixed cymbal at one end, and a movable cymbal that is driven by the screw to slide on the top surface of the vise, thereby holding the workpiece fixed by the fixed cymbal and the movable cymbal, However, such a vise structure can only clamp a workpiece at a time and perform a single workpiece processing, so that the processing personnel must frequently loosen and replace the workpiece on the vise during a large number of processing operations. Caused troubles and inconveniences in processing operations.

In addition, a conventional fixture structure, such as the fixture structure of the two-way cooperating clamping positioning, which is approved by the Department of Economics on August 21, 1987, is mainly included in the following: The two abutting blocks are respectively formed with a tapered tapered surface on opposite sides of the two abutting blocks, and a pushing block having the same taper as the tapered mask is disposed between the tapered faces of the two abutting blocks. The upper part is provided with a bolt penetrating through the pushing block, and the two side surfaces of the abutting block providing spring are respectively provided with a spring bucking block for the spring to be hooked, and the side of the abutting block provided with the spring is provided with one side plate, respectively The side plate is convexly formed with a restriction strip that can abut against the spring. When the bolt is screwed into the through hole provided on the machine table, the head of the bolt can be used to drive the push block to move along with the cone surface of the push block to press and push the abutting blocks of the two tapered surfaces. Protruding toward both sides. In order to achieve the effect of clamping positioning on the work pieces on both sides at the same time, thereby achieving improvement The flexibility and effectiveness of the overall use of the fixture.

However, the surface thereof is smooth, so that when the workpiece to be processed is clamped and processed, the workpiece to be processed is easily slipped or rotated to become a defective product; in addition, the surface is a single plane and can only be applied to a single size (ie, a single unit). Thickness and width of the workpiece to be machined, the breadth of application is too narrow.

In order to solve the above problems, the present invention provides a variable angle clamping device, which is then placed, that is, a plurality of variable angle clamping devices are placed on the working platform, and the variable angle clamping devices are mutually connected. The workpieces to be processed can be placed between two adjacent variable angle clamping devices; when the bolts are screwed into the working platform, the first movable block and the second activity of each variable angle clamping device The blocks are all moved outward (moving away from the moving block), that is, the first movable block of one variable angle clamping device and the second movable block of another variable angle clamping device are relatively close to each other, This is to hold the workpiece to be processed between them to achieve the effect of the clamping.

Furthermore, the first cylinder can be rotatably and detachably embedded in the corresponding first recess and the first rough surface is exposed, and the second cylinder can be rotatably and detachably embedded in the second cylinder. Corresponding the second recessed surface and exposing the second rough surface thereof, and then utilizing the elasticity of the third elastic member and the fourth elastic member, so that the first rough surface and the second rough surface can be shaped according to the shape of the workpiece to be processed and The size is slightly adjusted to achieve a fixed clamping effect of the workpieces of different shapes, thereby avoiding the instability caused by the instability and yaw caused by the workpiece to be processed.

To achieve the above object, the present invention provides a variable angle clamping device that can be set On a working platform, the device includes a first movable block, a first body, a first slope, a first limiting portion, and a first clamping surface, the first slope is disposed at the first An inner side of the body, and the first inclined surface is disposed obliquely from bottom to top and from the inside to the outside, the first clamping surface is disposed outside the first body, and is disposed opposite to the first inclined surface, the first limiting portion is disposed at The first inclined surface has at least one first abutting portion, and the first clamping surface is provided with at least one first recessed groove, and the at least one first recessed groove is recessed inwardly a first accommodating groove is disposed, the axial direction of the at least one first groove is perpendicular to the axial direction of the first accommodating groove; a second movable block is disposed opposite to the first movable block, and has a first a second body, a second inclined surface, a second limiting portion, and a second clamping surface disposed on the inner side of the second body, and the second inclined surface is inclined from bottom to top and from inside to outside Providing that the second clamping surface is disposed outside the second body and opposite to the second The second limiting portion is disposed on the front and rear side edges of the second inclined surface, and the second inclined surface has at least one second abutting portion, and the second clamping surface is provided with at least one second matching groove. The at least one second recess is recessed inwardly with a second receiving groove, and the axial direction of the at least one second recess is perpendicular to the axial direction of the second receiving slot, the first inclined surface and the first The two inclined surfaces are oppositely disposed, and an accommodating space having an inverted cone shape is formed between the first inclined surface and the second inclined surface; an actuating block is disposed between the first movable block and the second movable block and can be up and down Movingly disposed in the accommodating space, having a third body, a third inclined surface, a fourth inclined surface, at least one third top abutting portion, at least one fourth abutting portion, a third limiting portion, and a fourth limiting portion, the third inclined surface and the fourth inclined surface are respectively located on opposite sides of the third body, the third inclined surface is disposed corresponding to the first inclined surface and is inclined from bottom to top and from inside to outside, The fourth inclined surface is disposed opposite to the second inclined surface and is inclined from bottom to top and from inside to outside, the at least Third abutting portion is provided on the third inclined surface, and relative to the at least one first abutting portion is provided, at least a fourth top The abutting portion is disposed on the fourth inclined surface and disposed opposite to the at least one second abutting portion, the third limiting portion is disposed on the front and rear side edges of the third inclined surface, and is disposed corresponding to the first limiting portion and mutually The fourth limiting portion is disposed on the front and rear side edges of the fourth inclined surface, and is disposed corresponding to the second limiting portion and cooperatively slidably restrained; at least one first The elastic member is disposed between the at least one first abutting portion and the at least one third abutting portion, and the two ends of the at least one first elastic member respectively abut against the at least one first abutting portion and the at least a third abutting portion; at least one second elastic member disposed between the at least one second abutting portion and the at least one fourth abutting portion, and the two ends of the at least one second elastic member are respectively abutted The at least one second abutting portion and the at least one fourth abutting portion; at least one first cylinder that is rotatably and detachably disposed in the at least one first recessed groove, the at least one first cylindrical portion having a first cylinder and a first rough surface, the first rough surface being disposed along the first cylinder a first cylinder is received in the at least one first recess, the first rough surface is exposed outside the at least one first recess; at least one second cylinder is slightly rotatable and Removably disposed in the at least one second recess, the at least one second cylinder has a second cylinder and a second rough surface, and the second rough surface is disposed on the second cylinder along the length direction a second pillar is received in the at least one second recess, the second rough surface is exposed outside the at least one second recess; at least one third elastic component is received in the at least one first The accommodating groove is disposed, and the two ends of the at least one third elastic member respectively abut against the at least one first accommodating groove and the side of the at least one first cylinder away from the first rough surface; and at least a fourth elasticity The component is disposed in the at least one second receiving groove, and the two ends of the at least one fourth elastic component respectively abut against the at least one second receiving groove and the at least one second cylinder is away from the second rough surface One side.

In some embodiments, the at least one first abutting portion and the at least one second abutting portion The portion, the at least one third abutting portion, and the at least one fourth abutting portion are vertical blind holes.

In some embodiments, the first limiting portion and the second limiting portion are chutes, the third limiting portion and the fourth limiting portion are sliding rails, and the first limiting portion and the first limiting portion The three limiting portions cooperate with each other to slidably move, and the second limiting portion and the fourth limiting portion cooperate to be slidably movable.

In some embodiments, the first rough surface and the second rough surface are a plurality of quadrangular pyramids.

In some embodiments, the third body of the actuating block has a vertical layer of holes that are screwed through the vertical level hole of the actuating block from above and below through a bolt to the working platform, and the bolt is a head is pressed against the vertical layer hole, and the bolt is screwed into and out of the working platform to match the elastic force of the at least one first elastic element and the at least one second elastic element to control the actuating block. Acting upwards and downwards, while pushing the first inclined surface and the fourth inclined surface against the second inclined surface by the third inclined surface, so that the first movable block and the second movable block face outward And move inwards.

In some embodiments, the at least one first slot is a first slot, the at least one second slot is a second slot, the first slot is axially oriented with the first movable block The longitudinal direction is parallel, and the axial direction of the second recess is parallel to the longitudinal direction of the second movable block.

In some embodiments, the at least one first slot is two first slots spaced apart from each other, and the at least one second slot is two second slots spaced apart from each other, the first slot The axial direction is parallel to the height direction of the first movable block, and the axial direction of the second recess is parallel to the height direction of the second movable block.

In some embodiments, the longitudinal section of the first clamping surface and the second clamping surface The face has a concave V shape, the first clamping surface has a first upper half and a first lower half, the second clamping surface has a second upper half and a second lower half The at least one first slot is two first slots, respectively recessed in the first upper half and the first lower half, and the at least one second slot is two second slots, respectively Recessed in the second upper half and the second lower half, the axial direction of the first recess is parallel to the longitudinal direction of the first movable block, the axial direction of the second recess and the second The length of the movable block is parallel.

100‧‧‧Variable angle clamping device

1‧‧‧ first activity block

11‧‧‧First Ontology

12‧‧‧ first slope

13‧‧‧First Limitation Department

14‧‧‧First clamping surface

141‧‧‧ first upper half

142‧‧‧ first half

15‧‧‧First Abutment

16‧‧‧First slot

17‧‧‧First accommodating slot

2‧‧‧Second activity block

21‧‧‧Second ontology

22‧‧‧Second slope

23‧‧‧ Second Limit Department

24‧‧‧Second clamping surface

241‧‧‧ second upper half

242‧‧‧ second lower half

25‧‧‧Second top

26‧‧‧Second inlay

27‧‧‧Second accommodating slot

3‧‧‧ actuation block

31‧‧‧ Third ontology

32‧‧‧ third slope

33‧‧‧4th bevel

34‧‧‧ Third Abutment

35‧‧‧Four top abutment

36‧‧‧ Third Limits

37‧‧‧Fourth Limitation Department

38‧‧‧Vertical level hole

4‧‧‧First elastic element

5‧‧‧Second elastic element

6‧‧‧First cylinder

61‧‧‧First cylinder

62‧‧‧First rough surface

7‧‧‧Second cylinder

71‧‧‧Second cylinder

72‧‧‧Second rough surface

8‧‧‧ Third elastic element

9‧‧‧4th elastic element

B‧‧‧Bolts

B1‧‧‧ head

200‧‧‧Working Platform

Fig. 1 is an exploded perspective view showing a first embodiment of the variable angle gripping device of the present invention.

Fig. 2 is a perspective view showing the first figure.

Fig. 3 is a side view showing the second drawing.

Fig. 4 is a side elevational view showing the third drawing at the time of adjustment.

Fig. 5 is an exploded perspective view showing a second embodiment of the variable angle gripping device of the present invention.

Fig. 6 is a perspective view showing Fig. 5;

Fig. 7 is a top plan view showing Fig. 6.

Fig. 8 is an exploded perspective view showing a third embodiment of the variable angle gripping device of the present invention.

Fig. 9 is a perspective view showing Fig. 8.

Fig. 10 is a side elevational view showing Fig. 9.

Fig. 11 is a view showing the operation of Fig. 9.

Please refer to FIG. 1 and FIG. 4 simultaneously, the variable angle clamping device 100 of the embodiment can be disposed on a working platform 200, including a first movable block 1, a second movable block 2, and an actuation Block 3, at least one first elastic element 4, at least one second elastic element 5, at least one first cylinder 6, at least one second cylinder 7, at least one third elastic element 8, and at least one fourth elastic element 9.

The first movable block 1 has a first body 11 , a first inclined surface 12 , a first limiting portion 13 , and a first clamping surface 14 . The first inclined surface 12 is disposed inside the first body 11 and is first. The inclined surface 12 is disposed obliquely from the bottom to the top and from the inside to the outside. The first clamping surface 14 is disposed outside the first body 11 and disposed opposite to the first inclined surface 12, and the first limiting portion 13 is disposed on the front and rear sides of the first inclined surface 12. The first inclined surface 12 has at least one first abutting portion 15 (the present invention is illustrated by the two first abutting portions, but not limited thereto), and the first clamping surface 14 is provided with at least A first recessed groove 16 is formed with a first receiving groove 17 recessed inwardly. The axial direction of the first fitting groove 16 is perpendicular to the axial direction of the first receiving groove 17.

The second movable block 2 is disposed opposite to the first movable block 1 and has a second body 21, a second inclined surface 22, a second limiting portion 23, and a second clamping surface 24, and the second inclined surface 22 is disposed at The second body 21 is disposed on the inner side of the second body 21, and the second slope 22 is disposed from the bottom to the top and from the inside to the outside. The second clamping surface 24 is disposed outside the second body 21 and disposed opposite to the second slope 22, and the second limiting portion 23 is disposed. The second inclined surface 22 has at least one second abutting portion 25 (the present invention is illustrated by the two second abutting portions, but not limited thereto). The second clamping surface 24 is provided with at least one second recess 26, and the second recess 26 is recessed inwardly with a second receiving slot 27, and the axial direction of the second recess 26 The first inclined surface 12 is opposite to the second inclined surface 22 and the first inclined surface 12 and the second inclined surface 22 form an accommodating space having an inverted tapered cross section.

The actuating block 3 is disposed between the first movable block 1 and the second movable block 2 and is movable up and down in the accommodating space, and has a third body 31, a third inclined surface 32 and a fourth inclined surface. 33, at least a third abutting portion 34, at least a fourth abutting portion 35, a third limiting portion 36, and a fourth limiting portion 37, the third inclined surface 32 and the fourth inclined surface 33 are respectively located On opposite sides of the three bodies 31, the third inclined surface 32 is disposed corresponding to the first inclined surface 12 and is inclined from bottom to top and from inside to outside. The fourth inclined surface 33 is disposed corresponding to the second inclined surface 22 and is from bottom to top and from inside to outside. The third abutting portion 34 (the present invention is illustrated by the two third abutting portions, but not limited thereto) is disposed on the third inclined surface 32, and is disposed on the first abutting portion 15, The four abutting portions 35 (the present invention is illustrated by the two fourth abutting portions, but not limited thereto) are disposed on the fourth inclined surface 33 and are disposed opposite to the second abutting portion 25, and the third limit is provided. The portion 36 is disposed on the front and rear side edges of the third inclined surface 32, and is disposed corresponding to the first limiting portion 13 and cooperatively slidably restrained, and the fourth limiting portion 37 is disposed at the The front and rear side edges of the four inclined faces 33 are disposed corresponding to the second limiting portion 23 and cooperate with each other to be slidably restrained.

The first elastic member 4 (the present invention is provided with two first elastic members and a compression spring as an example, but not limited thereto) is disposed between the first abutting portion 15 and the third abutting portion 34, and Both ends of the first elastic member 4 are respectively abutted against the first abutting portion 15 and the third abutting portion 34.

The second elastic member 5 (the present invention is provided with two second elastic members and a compression spring as an example, but not limited thereto) is disposed between the second abutting portion 25 and the fourth abutting portion 35, and Two ends of the second elastic member 5 respectively abut against the second abutting portion 25 and the fourth abutting portion 35.

The first cylinder 6 is rotatably and detachably disposed in the corresponding first recess 16 . The first cylinder 6 has a first cylinder 61 and a first rough surface 62. The first rough surface 62 is disposed at The first cylinder 61 is received in a corresponding first recess 16 and the first rough surface 62 is exposed outside the corresponding first recess 16 .

The second cylinder 7 is rotatably and detachably disposed in the corresponding second recess 26, the second cylinder 7 has a second cylinder 71 and a second rough surface 72, and the second rough surface 72 is disposed at The second cylinder 71 is received in a corresponding one of the second recesses 26, and the second rough surface 72 is exposed outside the corresponding second recess 26.

The first slot 16 has one end as an open end, and the second slot 26 has an open end at one end, so that the first cylinder 6 is detachably disposed in the corresponding first slot 16, and the second cylinder 7 is The detachment is disposed in the corresponding second recessed groove 26.

The third elastic member 8 is received in the corresponding first receiving groove 17 , and the two ends of the third elastic member 8 respectively abut against the corresponding first receiving groove 17 and the corresponding first cylindrical portion 6 away from the first One side of a rough surface 62.

The fourth elastic member 9 is received in the corresponding second receiving groove 27, and the two ends of the fourth elastic member 9 respectively abut against the corresponding second receiving groove 27 and the corresponding second cylindrical portion 7 away from the first One side of the two rough faces 72.

The first abutting portion 15, the second abutting portion 25, the third abutting portion 34, and the fourth abutting portion 35 described above may be vertical blind holes; that is, the first abutting portion 15 and the second portion The abutting portion 25 may be a vertical blind hole that is open upward, and the third abutting portion 34 and the fourth abutting portion 35 may be blind holes that open downward.

Preferably, the first limiting portion 13 and the second limiting portion 23 can be a chute structure, and the third limiting portion 36 and the fourth limiting portion 37 can be a sliding rail structure, such as a first limit of the chute structure. The position portion 13 and the third limiting portion 36 such as the sliding rail structure cooperate with each other (intermeshing with each other) to slidably move, such as the second limiting portion 23 of the sliding groove structure and the fourth portion such as the sliding rail structure. The limiting portions 37 cooperate with each other (intermeshing with each other) and are slidably movable.

Preferably, the first rough surface 62 and the second rough surface 72 described above are arranged with a plurality of quadrangular pyramids.

Referring to FIG. 1 to FIG. 4, in the first embodiment of the present invention, at least one first slot 16 is a first slot, and at least one second slot 26 is a second slot. The axial direction of one of the grooves 16 is parallel to the longitudinal direction of the first movable block 1, and the axial direction of the second groove 26 is parallel to the longitudinal direction of the second movable block 2.

Referring to FIG. 5 to FIG. 7 again, in the second embodiment of the present invention, at least one first recess 16 is two first recesses spaced apart from each other, and at least one second recess 26 is mutually Two axially disposed grooves, the axial direction of each of the first grooves 16 is parallel to the height direction of the first movable block 1, and the axial direction of each of the second grooves 26 and the height direction of the second movable block 2 Parallel; that is, each of the first recessed slots 16 and each of the second recessed slots 26 are vertically disposed.

Referring to FIGS. 8 to 11 again, in the third embodiment of the present invention, the longitudinal cross-sections of the first clamping surface 14 and the second clamping surface 24 are concave V-shaped (ie, inwardly Forming a lateral V-shaped recess, the first clamping surface 14 has a first upper half 141 and a first lower half 142, and the second clamping surface 24 has a second upper half 241 and a first The second lower half 242, the at least one first recess 16 is two first recesses, respectively recessed in the first upper half 141 and the first lower half 142, and at least one second recess 26 is two The second recesses are respectively recessed in the second upper half 241 and the second lower half 242. The axial direction of the first recess 16 is parallel to the longitudinal direction of the first movable block 1, and the axial direction of the second recess 26 The direction is parallel to the longitudinal direction of the second movable block 2.

The first cylinder 6 can be slightly rotatably and detachably embedded in the corresponding first recess 16 and expose the first rough surface 62 and the second cylinder 7 can be rotatably and detachably embedded The second rough surface 72 is exposed and the second rough surface 72 is exposed, and the elasticity of the third elastic member 8 and the fourth elastic member 9 is utilized, so that the first rough surface 62 and the second rough surface 72 can be According to the shape and size of the workpiece to be processed (not shown), a slight rotation is finely adjusted to achieve the effect of fixing the clamping of the workpiece of different shapes, thereby avoiding the instability and partiality of the workpiece to be processed during processing. Poor production.

In addition, the third body 31 of the actuating block 3 has a vertical layer hole 38 which is threaded from the top and bottom through the vertical layer hole 38 of the actuating block 3 to the work platform 200 through a bolt B, and one end of the bolt B The portion B1 is pressed against the vertical layer hole 38, and the elastic force of the first elastic member 4 and the second elastic member 5 is matched by the screwing and screwing of the bolt B relative to the working platform 200 to control the actuating block 3 upward and downward. When the third inclined surface 32 is pushed against the opposite first inclined surface 12 and the fourth inclined surface 33, the second inclined surface 22 is pushed to move the first movable block 1 and the second movable block 2 outward and inward.

In detail, when the bolt B is screwed into the work platform 200, the head B1 of the bolt B is pressed against the vertical layer hole 38 of the third body 31 of the actuating block 3 to move the actuating block downward (toward the work platform 200). Moving), and then the third slope 32 is pushed against the opposite first slope 12 and the fourth inclined surface 33 pushes against the second inclined surface 22, at the same time, the first limiting portion 13 such as the sliding groove structure and the third limiting portion 36 such as the sliding rail structure cooperate with each other (inter-engagement) to be slidable The movement of the ground limit, such as the second limiting portion 23 of the sliding groove structure and the fourth limiting portion 37 of the sliding rail structure, cooperate with each other (intermeshing) and can be slidably moved to limit the first activity. The block 1 and the second movable block 2 move outward (moving away from the actuating block 3); at this time, the two ends of the first elastic member 4 are respectively abutted by the first abutting portion 15 and the third abutting portion 34. The two ends of the second elastic member 5 are compressed by the second abutting portion 25 and the fourth abutting portion 35, respectively.

When the bolt B is retracted toward the work platform 200, the head B1 of the bolt B releases the vertical layer hole 38 of the third body 31 of the actuating block 3, and both ends of the first elastic member 4 are respectively pushed by the repulsion force thereof. The first abutting portion 15 and the third abutting portion 34, the two ends of the second elastic member 5 are respectively pushed against the second abutting portion 25 and the fourth abutting portion 35 by the covering force thereof, and the moving block is moved upward (moving away from the working platform 200), and then the third inclined surface 32 releases the opposite first inclined surface 12 and the fourth inclined surface 33 releases the second inclined surface 22, at the same time, such as the first limiting portion 13 of the chute structure The third limiting portion 36 of the sliding rail structure cooperates with each other (inter-engagement) to slidably move, such as the second limiting portion 23 of the sliding groove structure and the fourth limiting portion 37 such as the sliding rail structure. The movement is restricted by the engagement (inter-engagement) so that the first movable block 1 and the second movable block 2 move inward (moving toward the movable block 3).

Then, in use, a plurality of variable angle clamping devices 100 of the present invention are placed on the work platform 200, and the variable angle clamping devices 100 are spaced apart from each other; and the workpiece to be processed (not shown) It can be placed between two adjacent variable angle clamping devices 100; when the bolt B is screwed into the working platform 200, since the first movable block 1 and the second movable block 2 of each variable angle clamping device 100 are Moving outwards (moving away from the moving block 3), meaning That is, the first movable block 1 of one variable angle clamping device 100 and the second movable block 2 of the other variable angle clamping device 100 are relatively disposed opposite to each other, thereby clamping the workpiece to be processed therebetween To achieve the effect of clamping.

100‧‧‧Variable angle clamping device

1‧‧‧ first activity block

11‧‧‧First Ontology

13‧‧‧First Limitation Department

14‧‧‧First clamping surface

2‧‧‧Second activity block

21‧‧‧Second ontology

23‧‧‧ Second Limit Department

24‧‧‧Second clamping surface

26‧‧‧second raised unit

3‧‧‧ actuation block

31‧‧‧ Third ontology

32‧‧‧ third slope

36‧‧‧ Third Limits

37‧‧‧Fourth Limitation Department

38‧‧‧Vertical level hole

7‧‧‧Second cylinder

71‧‧‧Second cylinder

72‧‧‧Second rough surface

B‧‧‧Bolts

B1‧‧‧ head

Claims (8)

A variable angle clamping device can be disposed on a working platform, the device comprising: a first movable block having a first body, a first inclined surface, a first limiting portion, and a first clamping a surface, the first slope is disposed inside the first body, and the first slope is inclined from bottom to top and from the inside to the outside, the first clamping surface is disposed outside the first body, and opposite to the first The first limiting portion is disposed on the front and rear side edges of the first inclined surface, and the first inclined surface has at least one first abutting portion, and the first clamping surface is provided with at least one first matching groove. The at least one first recess is recessed inwardly with a first receiving groove, the axial direction of the at least one first recess is perpendicular to the axial direction of the first receiving slot; a second movable block, and The first movable block is oppositely disposed, and has a second body, a second inclined surface, a second limiting portion, and a second clamping surface disposed on the inner side of the second body, and the first The two inclined surfaces are disposed from the bottom to the top and from the inside to the outside, and the second clamping surface is disposed An outer side of the second body is disposed opposite to the second inclined surface, the second limiting portion is disposed on the front and rear side edges of the second inclined surface, and the second inclined surface has at least one second abutting portion, the second clamping portion The holding surface is provided with at least one second recessed groove, and the at least one second recessed groove is recessed inwardly with a second receiving groove, the axial direction of the at least one second recessed groove and the axis of the second receiving groove The first inclined surface is disposed opposite to the second inclined surface, and an accommodating space having an inverted cone shape is formed between the first inclined surface and the second inclined surface; an actuating block is disposed on the first movable block And the second movable block is disposed in the accommodating space, and has a third body, a third slope, a fourth slope, at least a third abutment, and at least a fourth top. a third inclined surface and a fourth inclined surface respectively located on opposite sides of the third body, the third inclined surface Corresponding to the first inclined surface and inclined from the bottom to the top and from the inside to the outside, the fourth inclined surface is disposed corresponding to the second inclined surface and inclined from the bottom to the top and from the inside to the outside, and the at least one third top abutting portion is disposed at the first The third inclined surface is disposed opposite to the at least one first abutting portion, the at least one fourth abutting portion is disposed on the fourth inclined surface, and is disposed opposite to the at least one second abutting portion, the third limiting portion The front and rear side edges of the third inclined surface are disposed, and are correspondingly disposed and matched with each other to be slidably constrained, and the fourth limiting portion is disposed on the front and rear side edges of the fourth inclined surface, and is opposite The second limiting portion is disposed and cooperatively slidably constrained; at least one first elastic member is disposed between the at least one first abutting portion and the at least one third abutting portion, and the at least The two ends of the first elastic member respectively abut against the at least one first abutting portion and the at least one third abutting portion; the at least one second elastic member is disposed on the at least one second abutting portion and the at least one Between the fourth abutting portions, and the two ends of the at least one second elastic member are respectively topped The at least one second abutting portion and the at least one fourth abutting portion; at least one first cylinder that is rotatably and detachably disposed in the at least one first recessed groove, the at least one first cylindrical portion having a first column and a first rough surface, the first rough surface is disposed on a side of the first cylinder along the length direction, and the first cylinder is received in the at least one first recess, the first a rough surface is exposed outside the at least one first recess; at least one second cylinder is rotatably and detachably disposed in the at least one second recess, the at least one second cylinder has a second post And a second rough surface disposed on a side of the second cylinder along the length direction, the second cylinder being received in the at least one second recess, the second rough surface being exposed The at least one third elastic member is disposed in the at least one first receiving groove, and the at least one The two ends of the three elastic members respectively abut against the at least one first receiving groove and the side of the at least one first cylinder away from the first rough surface; and the at least one fourth elastic element is received in the at least one second The two ends of the at least one fourth elastic member respectively abut against the at least one second receiving groove and the side of the at least one second cylinder away from the second rough surface. The variable angle clamping device of claim 1, wherein the at least one first abutting portion, the at least one second abutting portion, the at least one third abutting portion, and the at least one fourth top portion The abutting portion is a vertical blind hole. The variable angle clamping device of claim 1, wherein the first limiting portion and the second limiting portion are chutes, and the third limiting portion and the fourth limiting portion are sliding rails. The first limiting portion and the third limiting portion cooperate with each other to slidably move, and the second limiting portion and the fourth limiting portion cooperate to be slidably movable. The variable angle clamping device of claim 1, wherein the first rough surface and the second rough surface are a plurality of quadrangular pyramids. The variable angle clamping device of claim 1, wherein the third body of the actuating block has a vertical layer hole through which the vertical layer hole of the actuating block passes through a bolt. The working platform is screwed, and a head of the bolt is pressed against the vertical layer hole, and the at least one first elastic element and the at least one second elastic are matched by the screwing and screwing of the bolt relative to the working platform. The elastic force of the component to control the actuating block to move upward and downward while the third inclined surface is pushed against the opposite first inclined surface and the fourth inclined surface to push the second inclined surface to make the first activity The block and the second movable block move outward and inward. The variable angle clamping device of claim 1, wherein the at least one first slot is a first a slot, the at least one second slot is a second slot, the axial direction of the first slot is parallel to the length direction of the first movable block, and the axial direction of the second slot is opposite to the first slot The length of the two movable blocks is parallel. The variable angle clamping device of claim 1, wherein the at least one first slot is two first slots spaced apart from each other, and the at least one second slot is two spaced apart from each other. a second groove, the axial direction of the first groove is parallel to the height direction of the first movable block, and the axial direction of the second groove is parallel to the height direction of the second movable block. The variable angle clamping device of claim 1, wherein the first clamping surface and the second clamping surface have a concave V-shaped longitudinal section, the first clamping surface having a first The second clamping surface has a second upper half and a second lower half, and the at least one first recess is two first recesses, respectively recessed In the first upper half and the first lower half, the at least one second recess is two second recesses, respectively recessed in the second upper half and the second lower half, the first The axial direction of a groove is parallel to the longitudinal direction of the first movable block, and the axial direction of the second groove is parallel to the longitudinal direction of the second movable block.