TWM460728U - Pawl position adjustable chuck - Google Patents

Description

Fixture capable of adjusting the position of the jaws

This creation mainly discloses a jig, especially a jig that can adjust the position of the gripper by using a concave-convex surface.

With the rapid advancement of science and technology, not only have many emerging industries been developed, but also the traditional industrial technology has been continuously developed. The lathes using computer numerical control have also been developed. The chucks on computer numerical control lathes use oil pressure or Air pressure drives the traditional way of manual locking.

Please refer to the "Pneumatic Chuck Structure Improvement" patent case of China Patent Certificate No. M249748, which is a type of chuck. The chuck has a body, a plurality of jaws and a plurality of clamping seats, and the body is provided with a plurality of chutes. The plurality of clips are respectively disposed in the plurality of chutes, and the air clamp can drive the clip seat in the sliding slot to slide the clip seat relative to the body in the chute, and the plurality of clips The claws are respectively screwed to the plurality of clamping seats by screws, so that the clamping jaws can move synchronously with the clamping seat, and when the plurality of clamping jaws move synchronously toward the center of the body, the objects can be clamped, and the plurality of clamping jaws are away from each other. When you are at the center of the body, relax the object.

However, in general, the use of air pressure to drive the chuck to move the chuck can not cause long-distance movement of the jaws, that is, a jaw can only hold objects of similar size, if you want to clamp objects of different sizes, then Different jaws must be replaced.

In view of the above-described deficiencies in the conventional structure, the present inventors have devised to design a jig capable of adjusting the position of the jaws, which overcomes all of the disadvantages of the above-described conventional structure.

The main purpose of the present invention is to provide a clamp comprising a body and three jaws. The end surface of one end of the body is provided with three sliding slots and three sliders, and the slider can be in the sliding slot. Sliding along the radial direction of the body, the body further comprises three latching blocks, the latching block is disposed on one side of the slider, and the first engaging surface and the two outer tapped holes are disposed on a side of the latching block away from the slider The clamping jaw is disposed on a side of the clamping block away from the slider, and a side of the clamping jaw adjacent to the clamping block is provided with a second engaging surface, and the second engaging surface can selectively abut the first engaging surface The clamping jaw further has two long grooves extending through the two sides of the clamping jaw in the axial direction of the body, the long groove extending in the radial direction of the body and having an elongated shape, and the clamping jaw further comprises two bolts, The two bolts respectively correspond to the two outer screw holes, and the bolts are screwed into the outer screw holes through the long slots, and the jaws can move relative to the latch block without the long slots of the jaws being separated from the bolts. Adjust the effect of the jaws to the center of the body.

The secondary object of the present invention capable of adjusting the position of the jaws is to provide a design in which the first engaging surface and the second engaging surface can be engaged with each other, thereby preventing the relative movement of the clamping jaw and the clamping block after the bolt is locked, thereby increasing The convenience of adjusting the position of the jaws.

Other objects, advantages and novelty of the present invention will become more apparent from the following detailed description.

The techniques, means, and effects of the present invention are described in detail with reference to the accompanying drawings.

1 to 3, a perspective view, an exploded perspective view, and an exploded perspective view of another perspective view of the jig capable of adjusting the position of the jaws are provided. The writing fixture 10 includes a body 20 and a plurality of jaws 30; wherein:

Please refer to FIG. 4 and FIG. 5 for a cross-sectional view of the jig that can adjust the position of the jaws. The main body 20 has a cylindrical shape. The end surface of one end of the main body 20 is provided with a plurality of sliding slots 21 extending along a radial direction of the main body 20. The sliding slot 21 is a T-shaped slot along which the sliding slot 21 is. The axial direction has a depth D. The body 20 further has a plurality of sliders 22, the plurality of sliders 22 and the plurality of the sliding slots 21 are the same in the embodiment, and the plurality of sliders 22 are respectively disposed in the In the plurality of chutes 21, the slider 22 is slidable in the radial direction of the body 20 in the sliding groove 21. The slider 22 has a height H along the axial direction of the body 20, and the height H of the slider 22 It is larger than the depth D of the chute 21.

One side of the slider 22 protrudes from the sliding slot 21, and a side of the sliding block 22 protruding from the sliding slot 21 is provided with a card slot 23 extending along a radial direction of the body 20, The card slot 23 has a square groove shape. At least one inner screw hole 24 is provided in the slot 23 of the slider 22, and the at least one inner screw hole 24 is two in the embodiment, and the inner screw hole 24 extends along the axial direction of the body 20. And the two inner screw holes 24 are arranged along the radial direction of the body 20.

The body 20 further includes a plurality of latching blocks 25, the plurality of latching blocks 25 and the plurality of sliders 22 are the same in the embodiment, and the latching blocks 25 are disposed on the slider 22 A protrusion 26 is disposed on a side of the slider 22 adjacent to the slider 22, and the protrusion 26 is disposed in the slot 23 of the slider 22, and the protrusion 26 is disposed. The block 26 abuts against the bottom and the sides of the slot 23 to effectively prevent the latch block 25 from rotating relative to the slider 22. The latching block 25 is also provided with at least one perforation 27, the number of which is two in the present embodiment, the perforation 27 extending in the axial direction of the body 20. A screw member 271 is disposed in each of the two through holes 27, and the screw member 271 passes through the through hole 27 and is screwed into the inner screw hole 24 of the slider 22 to fix the latch block 25 thereto. Slider 22.

A first engaging surface 28 and at least one external screw hole 29 are disposed on a side of the latching block 25 away from the slider 22, and the first engaging surface 28 is provided with a plurality of protruding teeth 281, the first engaging The convex teeth 281 of the surface 28 extend along the circumferential direction of the body 20, the convex teeth 281 of the first engaging surface 28 are triangular in cross section along the radial direction of the body 20, and several of the first engaging surfaces 28 are The protruding teeth 281 are arranged side by side in the radial direction of the body 20, and the width of the first engaging surface 28 is larger than the width of the sliding groove 21. The at least one outer screw hole 29 is two in the embodiment, the two outer screw holes 29 are arranged along the circumferential tangential direction of the body 20, and the outer screw hole 29 is along the axis of the body 20. Extend.

The plurality of jaws 30 and the plurality of latching blocks 25 are the same in the embodiment, and the plurality of jaws 30 are three in the embodiment, and the jaws 30 are disposed on The side of the clamping block 30 is away from the side of the slider 22, and a side of the clamping jaw 30 adjacent to the clamping block 25 is provided with a second engaging surface 31. The second engaging surface 31 is provided with a plurality of convex teeth. 311, the protruding teeth 311 of the second engaging surface 31 extend along the circumferential direction of the body 20, the convex teeth 311 of the second engaging surface 31 are triangular in cross section along the radial direction of the body 20, and the second The plurality of convex teeth 311 of the engaging surface 31 are arranged side by side in the radial direction of the body 20. The second engaging surface 31 can be selectively abutted against the first engaging surface 28 . When the second engaging surface 31 abuts against the first engaging surface 28 , the first engaging surface 28 The plurality of convex teeth 281 and the plurality of convex teeth 311 of the second engaging surface 31 are staggered with each other, and the width of the second engaging surface 31 is larger than the width of the sliding groove 21.

Please continue to refer to FIG. 6 and FIG. 7 , which is a schematic diagram of the operation of the jig capable of adjusting the position of the jaws. The clamping jaw 30 further has a clamping block 32 on a side of the clamping jaw 30 away from the latching block 25, and the clamping block 32 forms a radial direction along the two ends of the body 20 respectively. The clamping portion 321 is capable of holding the object by the clamping portion 321 . The clamping jaw 30 further has at least one long slot 33 extending through the two sides of the clamping jaw 30 along the axial direction of the body 20. The elongated slot 33 extends in the radial direction of the body 20 and is elongated. The at least one long slot 33 is two in the embodiment, and the two long slots 33 are respectively located at two sides of the clamping block 32. An abutting portion 34 is formed around the long groove 33, and the abutting portion 34 is located on a side of the jaw 30 away from the latching block 25. The clamping jaw 30 further includes at least one bolt 35. The at least one bolt 35 is two in the embodiment, and the two bolts 35 respectively correspond to the two outer screw holes 29, the bolt The end portion 351 of the bolt 35 is screwed to the outer screw hole 29 through the long slot 33, and the head end 352 of the bolt 35 abuts against the abutting portion 34. When the bolt 35 is locked, the head end 352 of the bolt 35 can push the jaw 30 toward the direction of the latch block 25.

Please refer to FIG. 8 and FIG. 9 for the purpose of creating a jig for adjusting the position of the jaws. In the case that the long groove 33 of the jaw 30 does not disengage from the bolt 35, the jaw 30 can move relative to the latch block 25 to achieve the effect of adjusting the distance of the jaw 30 to the center of the body 20, and The first engaging surface 281 and the second engaging surface 31 are engaged with each other to prevent the clamping jaw 30 and the latching block 25 from moving relative to each other after the bolt 35 is locked, thereby increasing the convenience of adjusting the position of the clamping jaw 30. Moreover, since the clamping portion 321 is formed at each end of the clamping block 32, the user can use the different clamping portion 321 after the clamping of the clamping jaw 30, that is, the effect of clamping different objects can be achieved. . At the same time, since the bolt 35 is loosened or removed, the latch block 25 does not move, so that the jaw 30 is re-fixed to the latch block 25 after adjusting the position or changing direction.

As far as the above is concerned, it can be concluded that this creation has the following advantages:

1. For the creation of the fixture capable of adjusting the position of the jaws, wherein the fixture comprises a body and three jaws, the end surface of one end of the body is provided with three sliding slots and three sliders, and the slider can be along the body in the sliding slot Radial sliding, the body further comprises three latching blocks, the latching block is arranged on one side of the slider, and a side of the latching block away from the slider is provided with a first engaging surface and two outer screw holes, the clamping jaw Provided on a side of the clamping block away from the slider, a side of the clamping jaw adjacent to the clamping block is provided with a second engaging surface, and the second engaging surface can selectively abut against the first engaging surface, the clamping jaw The utility model further has two long slots, the long slots extending through the two sides of the jaws in the axial direction of the body, the long slots extending in the radial direction of the body and being elongated, the jaws further comprising two bolts, the two bolts Corresponding to the two outer screw holes, the bolts are screwed into the outer screw holes through the long slots, and the jaws can move relative to the latch block to adjust the jaws without the long slots of the jaws being separated from the bolts. The effect of the distance to the center of the body.

2. For the creation of the clamp capable of adjusting the position of the jaws, wherein the first engaging surface and the second engaging surface are designed to be able to engage each other, thereby avoiding relative movement of the clamping jaw and the clamping block after the bolt is locked, and increasing the adjustment. The convenience of the position of the jaws.

However, the above description is only for the preferred embodiment of the present invention, and the scope of the present invention may not be limited thereto, so that the numerical value is changed or the replacement of the equivalent elements, or the equivalent of the patent application scope of the present invention. Changes and modifications should remain within the scope of this new patent.

10‧‧‧Clamp

20‧‧‧ body
21‧‧‧Chute
22‧‧‧ Slider
23‧‧‧ card slot
24‧‧‧Inner hole
25‧‧‧ card block
26‧‧‧Bumps
27‧‧‧Perforation
271‧‧‧ screw
28‧‧‧First engagement surface
281‧‧‧ convex teeth
29‧‧‧Outer screw hole
30‧‧‧claw
31‧‧‧Second engagement surface
311‧‧‧ convex teeth
32‧‧‧Clamping block
321‧‧‧Clamping Department
33‧‧‧Long slot
34‧‧‧Abutment
35‧‧‧Bolts
351‧‧‧ end
352‧‧‧ head end
D‧‧‧Deep
H‧‧‧ Height

Figure 1: This is a three-dimensional view of the fixture that can adjust the position of the jaws. Figure 2: An exploded perspective view of the fixture capable of adjusting the position of the jaws. Figure 3: An exploded perspective view of another view of the fixture capable of adjusting the position of the jaws. Figure 4: The cross-sectional structure of the creation taken along line 4-4 of Figure 1. Figure 5: This is a cross-sectional structural view of the long groove of the fixture that can adjust the position of the jaws. Fig. 6 is a schematic view showing the operation of adjusting the position of the jaws of the jig capable of adjusting the position of the jaws. Fig. 7 is a schematic view showing the operation of adjusting the position of the gripper of the jig capable of adjusting the position of the gripper. Fig. 8 is a view showing the state of use of the jig capable of adjusting the position of the gripper for the creation. Fig. 9 is a view showing the state of use of the other gripper position of the jig capable of adjusting the position of the gripper for the creation.

10‧‧‧Clamp

20‧‧‧ body

22‧‧‧ Slider

25‧‧‧ card block

28‧‧‧First engagement surface

30‧‧‧claw

32‧‧‧Clamping block

321‧‧‧Clamping Department

33‧‧‧Long slot

34‧‧‧Abutment

35‧‧‧Bolts

352‧‧‧ head end

Claims (12)

A clamp capable of adjusting the position of the jaws, comprising: a body, the end surface of one end of the body is provided with three sliding slots, the sliding slot extends along the radial direction of the body, the body further has three sliders, the The three sliders are respectively disposed in the three sliding slots, and the slider is slidable along the radial direction of the body in the sliding slot, the body further includes three latching blocks, wherein the latching block is disposed on the slider One side of the slider, the side of the latch block away from the slider is provided with a first engaging surface and two outer screw holes; three clamping jaws are disposed on the latching block away from the slider One side of the clamping jaw is disposed on a side of the clamping block, and a second engaging surface is disposed. The second engaging surface can selectively abut the first engaging surface, and the clamping jaw further has two a long slot extending along the axial direction of the body, the long slot extending along the radial direction of the body and having an abutting portion The abutting portion is located on a side of the clamping jaw away from the clamping block, the clamping jaw further comprises two bolts, and the two bolts respectively correspond to the two Outer screw, the bolt comprising a head end and a tip end of the bolt through the elongated slot and screwed to the outer screw, the head end of the bolt abuts against the abutting portion. The jig capable of adjusting the position of the jaws according to claim 1, wherein the first engaging surface is provided with a plurality of convex teeth, and the convex teeth of the first engaging surface extend along a tangential direction of the circumference of the body, the first a plurality of convex teeth of an engaging surface are arranged along the radial direction of the body, and the second engaging surface is provided with a plurality of convex teeth, and the convex teeth of the second engaging surface extend along a tangential direction of the circumference of the body. The plurality of convex teeth of the second engaging surface are arranged side by side in the radial direction of the body, and when the second engaging surface abuts against the first engaging surface, the plurality of convex teeth of the first engaging surface are The plurality of convex teeth of the second engaging surface are staggered with each other. The jig capable of adjusting the position of the jaws according to claim 2, wherein the convex teeth of the first engaging surface and the convex teeth of the second engaging surface are triangular in cross section along the radial direction of the body. The jig capable of adjusting the position of the jaws according to claim 2, wherein the width of the first engaging surface and the width of the second engaging surface are both greater than the width of the sliding slot. A jig capable of adjusting a position of a jaw according to claim 1, wherein the jaw further has a clamping block located on a side of the clamping jaw away from the clamping block, the clamping block being along the clamping block Both ends of the radial direction of the body respectively form a clamping portion, and the clamping jaw can grip the object by the clamping portion. The jig capable of adjusting the position of the jaws according to claim 5, wherein the two long grooves are respectively located at two sides of the clamping block. A jig capable of adjusting a position of a gripper according to claim 1, wherein the chute has a depth along an axial direction of the body, the slider has a height along an axial direction of the body, and a height of the slider is greater than the slip The depth of the slot. The jig capable of adjusting the position of the jaws according to claim 7, wherein one side of the slider protrudes from the sliding slot, and a side of the sliding slot protruding from the sliding slot is provided with a card slot, the card slot A bump is disposed along a side of the slider, and a bump is disposed on a side of the slider. The bump is disposed in a slot of the slider, and the bump is formed in a block shape, and the bump is abutted Rely on the bottom and sides of the card slot. The clamp capable of adjusting the position of the jaws according to claim 8, wherein at least one inner screw hole is provided in the slot of the slider, the inner screw hole extends along the axial direction of the body, and the latch block is further disposed. There is at least one perforation extending along the axial direction of the body, and a screw member is disposed in the through hole, and the screw member is screwed into the inner screw hole of the slider through the through hole. The jig capable of adjusting the position of the jaws according to claim 9, wherein the number of the at least one inner screw hole is two, and the two inner screw holes are arranged along a radial direction of the body, the at least one The number of perforations is two. The jig capable of adjusting the position of the jaws according to claim 10, wherein the chute is a T-shaped groove, the body has a cylindrical shape, and the card slot has a square groove shape. The jig capable of adjusting the position of the jaws according to claim 1, wherein the two outer screw holes are arranged along a circumferential tangential direction of the body, and the outer screw holes extend in the axial direction of the body.