CN216542847U

CN216542847U - Directional chuck

Info

Publication number: CN216542847U
Application number: CN202122588314.6U
Authority: CN
Inventors: 许日磷
Original assignee: Dongguan Yongweishun Hardware Technology Co ltd
Current assignee: Dongguan Yongweishun Hardware Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-17
Anticipated expiration: 2031-10-26

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to a directional chuck, which comprises a jacket, a sliding sleeve, a chuck main body, an elastic piece and a screw rod, wherein the jacket is arranged on the jacket; the jacket is hollow and has openings at two ends; the sliding sleeve is sleeved outside the chuck main body, and one end of the sliding sleeve is slidably sleeved in the chuck; the chuck body is arranged in the jacket in a sliding manner, and two ends of the chuck body extend out of the jacket; the elastic piece is arranged in the jacket and sleeved outside the chuck main body, one end of the elastic piece is connected with a step formed in the jacket, and the other end of the elastic piece is connected with one end of the sliding sleeve extending into the jacket; one end of the chuck main body, which is far away from the sliding sleeve, is provided with a sliding hole which is arranged along the axial direction, and one end of the screw rod penetrates through the jacket and is limited in the sliding hole, so that the chuck main body is prevented from rotating. The directional movement of the rod piece is realized, the rotation of the rod piece in the machining process is prevented, and the quality of a machined product is ensured.

Description

Directional chuck

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a directional chuck.

Background

The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig (qi a/j ǜ). In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like. The chuck is one kind of anchor clamps, and after current chuck centre gripping article, the course of working chuck probably takes place to rotate, influences the effect of processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a directional chuck, and aims to solve the technical problem that after an object is clamped by a chuck in the prior art, the chuck can rotate in the processing process to influence the processing effect.

In order to achieve the above object, an embodiment of the present invention provides a directional chuck, including a jacket, a sliding sleeve, a chuck body, an elastic member, and a screw rod; the jacket is hollow and has openings at two ends; the sliding sleeve is sleeved outside the chuck main body, and one end of the sliding sleeve is slidably sleeved in the chuck; the chuck body is arranged in the jacket in a sliding manner, and two ends of the chuck body extend out of the jacket; the elastic piece is arranged in the jacket and sleeved outside the chuck main body, one end of the elastic piece is connected with the step formed in the jacket, and the other end of the elastic piece is connected with one end of the sliding sleeve extending into the jacket; one end of the chuck main body, which is far away from the sliding sleeve, is provided with a sliding hole which is arranged along the axial direction, and one end of the screw rod penetrates through the jacket and is limited in the sliding hole to prevent the chuck main body from rotating.

Optionally, one end of the jacket close to the sliding sleeve is provided with a strip-shaped hole arranged along the axial direction; the chuck main body is provided with a positioning hole which is opposite to the strip-shaped hole; the positioning chuck further comprises a positioning pin, and the positioning pin penetrates through the strip-shaped hole and extends into the positioning hole for limiting.

Optionally, a locking hole is formed in the sliding sleeve, a threaded hole matched with the locking hole is formed in the chuck body, and a bolt sequentially penetrates through the locking hole and the threaded hole to fixedly connect the sliding sleeve and the chuck body.

Optionally, the number of the sliding holes is multiple, one end of each sliding hole, which is far away from the sliding sleeve, extends outwards to form a strip-shaped groove, the strip-shaped groove extends to the end of the chuck body, and the width of the strip-shaped groove is smaller than that of the sliding hole.

Optionally, one end of the chuck body, which is far away from the sliding sleeve, is provided with a clamping portion, the clamping portion is arranged in a circular truncated cone shape, and one end of the clamping portion extends into the chuck sleeve.

Optionally, the one end of pressing from both sides the cover is equipped with the horn hole, the aperture of horn hole toward keep away from the direction of sliding sleeve grow gradually, clamping part adaptation in the horn hole.

Optionally, the resilient member is a compression spring.

Optionally, one end of the sliding sleeve, which extends out of the jacket, is provided with a limiting boss.

One or more technical solutions in the directional chuck provided by the embodiment of the present invention have at least one of the following technical effects: according to the directional chuck disclosed by the embodiment of the utility model, the chuck body is used for clamping a rod piece, the sliding sleeve is sleeved at one end of the chuck body and fixedly connected with the chuck body, the sliding sleeve is in sliding connection with the jacket, and the outer surface of the sliding sleeve is in contact with the inner surface of the jacket; the elastic piece is arranged in the clamping sleeve and sleeved outside the chuck main body, one end of the elastic piece is connected with the step formed in the clamping sleeve, and the sliding sleeve at the other end is abutted, so that the chuck main body and the rod piece move together when the sliding sleeve moves, the elastic piece deforms when the sliding sleeve can move, when the force on the chuck main body and the rod piece is released, the elastic force of the elastic piece resets the sliding sleeve, and the sliding sleeve drives the chuck main body and the rod piece to reset; the sliding hole extends along the axial direction of the chuck main body, one end of the screw rod penetrates through the jacket and is limited in the sliding hole, so that the chuck main body cannot rotate left and right and can only horizontally move in the axial direction in the jacket, thus directional movement of the sliding sleeve is realized, other parts which need to be assisted in production can be loaded on the sliding sleeve, and the quality of a processed product is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an alignment chuck according to an embodiment of the present invention.

FIG. 2 is a cutaway view of an orienting cartridge provided in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a chuck body according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-jacket 11-step 12-strip hole

13-horn hole 14-convex ring 20-sliding sleeve

21-locking hole 22-limiting boss 30-chuck main body

31-slide hole 32-positioning hole 33-threaded hole

34-strip groove 35-clamping part 40-elastic part

50-screw 60-rod 70-positioning pin.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, there is provided an orientation chuck, comprising a collet 10, a sliding sleeve 20, a chuck body 30, an elastic member 40 and a screw 50; the jacket 10 is hollow and has openings at both ends; the sliding sleeve 20 is sleeved outside the chuck body 30, and one end of the sliding sleeve 20 is slidably sleeved in the jacket 10; the chuck body 30 is slidably arranged in the jacket 10, and two ends of the chuck body 30 extend out of the jacket 10; the elastic member 40 is arranged in the jacket 10 and sleeved outside the chuck body 30, one end of the elastic member 40 is connected with the step 11 formed in the jacket 10, and the other end is connected with one end of the sliding sleeve 20 extending into the jacket 10; one end of the chuck body 30, which is far away from the sliding sleeve 20, is provided with a sliding hole 31 arranged along the axial direction, and one end of the screw 50 penetrates through the jacket 10 and is limited in the sliding hole 31 to prevent the chuck body 30 from rotating.

Specifically, in the directional chuck of the embodiment of the present invention, the chuck body 30 is used for clamping the rod 60, the sliding sleeve 20 is sleeved at one end of the chuck body 30 and fixedly connected with the chuck body 30, the sliding sleeve 20 is slidably connected with the jacket 10, and the outer surface of the sliding sleeve 20 is in contact with the inner surface of the jacket 10; because the elastic member 40 is arranged in the jacket 10 and sleeved outside the chuck body 30, one end of the elastic member 40 is connected with the step 11 formed in the jacket 10, and the sliding sleeve 20 at the other end abuts against the elastic member, when the sliding sleeve 20 moves, the chuck body 30 and the rod 60 move together, and the elastic member 40 deforms when the sliding sleeve 20 moves, when the force applied to the chuck body 30 and the rod 60 is released, the elastic force of the elastic member 40 resets the sliding sleeve 20, and the sliding sleeve 20 drives the chuck body 30 and the rod 60 to reset; the sliding hole 31 extends along the axial direction of the chuck body 30, and one end of the screw 50 passes through the jacket 10 and is limited in the sliding hole 31, so that the chuck body 30 cannot rotate left and right and can only horizontally move in the jacket 10 along the axial direction, thus realizing the directional movement of the sliding sleeve 20, and loading other components which need to be assisted in the production on the sliding sleeve 20, and ensuring the quality of processed products.

In another embodiment of the present invention, as shown in fig. 1-2, one end of the jacket 10 close to the sliding sleeve 20 is provided with a strip-shaped hole 12 arranged along the axial direction; a positioning hole 32 is formed in the chuck body 30, and the positioning hole 32 is opposite to the strip-shaped hole 12; the orientation chuck further comprises a positioning pin 70, and the positioning pin 70 penetrates through the strip-shaped hole 12 and extends into the positioning hole 32 for limiting. Specifically, a convex ring 14 is arranged at one end of the jacket 10 connected with the sliding sleeve 20, the end surface of the convex ring 14 is flush with the end surface of the jacket 10, and the strip-shaped hole 12 is arranged close to the convex ring 14 and extends along the axial direction of the jacket 10; the positioning pin 70 is inserted into the positioning hole 32 of the chuck body 30, the positioning pin 70 can slide in the strip-shaped hole 12 along the length direction of the strip-shaped hole 12, and the positioning pin 70 is limited by the strip-shaped hole 12 to move in the width direction of the strip-shaped hole 12; the positioning pin 70 prevents the sliding sleeve 20 and the jacket 10 from rotating relatively, and the positioning pin 70 and the screw 50 are arranged at the opposite ends of the jacket 10, so that the rod 60 can be well limited from rotating during the machining process.

In another embodiment of the present invention, as shown in fig. 1 to 3, a locking hole 21 is formed on the sliding sleeve 20, a threaded hole 33 matched with the locking hole 21 is formed on the chuck body 30, and a bolt sequentially penetrates through the locking hole 21 and the threaded hole 33 to fixedly connect the sliding sleeve 20 and the chuck body 30. Specifically, the number of the locking holes 21 and the threaded holes 33 is multiple, the number of the locking holes 21 is the same as that of the threaded holes 33, each locking hole 21 corresponds to each threaded hole 33 one by one, and one end with threads of the bolt penetrates through the locking holes 21 to be in threaded connection with the threaded holes 33, so that the sliding sleeve 20 and the chuck body 30 are fixed.

In another embodiment of the utility model, as shown in fig. 1 to 3, the number of the sliding holes 31 is multiple, one end of each sliding hole 31, which is away from the sliding sleeve 20, extends outward to form a strip-shaped groove 34, the strip-shaped groove 34 extends to an end of the chuck body 30, and the width of the strip-shaped groove 34 is smaller than the width of the sliding hole 31. Specifically, the sliding hole 31 is arranged around the center of the chuck body 30, the strip-shaped groove 34 is communicated with the sliding hole 31 and extends to the tail end of the chuck body 30, and the tail end of the chuck body 30 has certain deformation capacity through each strip-shaped groove 34, so that the rod piece 60 can be well clamped; the rod 60 in this embodiment has a smaller diameter at the end extending into the collet body 30 than at the end extending outside the collet 10.

In another embodiment of the present invention, as shown in fig. 1 to 3, a clamping portion 35 is disposed at an end of the chuck body 30 away from the sliding sleeve 20, the clamping portion 35 is disposed in a truncated cone shape, and an end of the clamping portion 35 extends into the jacket 10. Specifically, the end with the smaller cross-sectional area of the clamping portion 35 extends into the clamping sleeve 10, the end with the larger cross-sectional area of the clamping portion 35 faces outward, and during the axial movement of the chuck body 30 in the direction away from the clamping portion 35, because the clamping portion 35 is disposed in a truncated cone shape and abuts against the inner wall of the clamping sleeve 10, and because of the disposition of the respective strip-shaped grooves 34, the clamping portion 35 and the chuck body 30 clamp the rod 60.

In another embodiment of the present invention, as shown in fig. 1 to 3, a flared hole 13 is formed at one end of the jacket 10, the diameter of the flared hole 13 gradually increases toward a direction away from the sliding sleeve 20, and the clamping portion 35 is fitted into the flared hole 13. Specifically, during the axial movement of the chuck body 30 in the direction away from the clamping portion 35, the clamping portion 35 and the chuck body 30 clamp the rod 60 due to the outer side surface of the clamping portion 35 being attached to the surface of the flared hole 13 and the arrangement of the grooves 34.

In another embodiment of the present invention, as shown in fig. 2, the elastic member 40 is a compression spring. Specifically, one end of the compression spring is connected with the step 11 formed in the jacket 10, and the other end is connected with the sliding sleeve 20, and in the process that the sliding sleeve 20 moves towards the compression spring, the compression spring is compressed to generate elastic force,

in another embodiment of the present invention, as shown in fig. 1-2, one end of the sliding sleeve 20 extending out of the jacket 10 is provided with a limiting boss 22. Specifically, the locking hole 21 is formed in the limiting boss 22 and penetrates through the limiting boss 22, and the limiting boss 22 is annularly arranged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A directional chuck, comprising: comprises a jacket, a sliding sleeve, a chuck body, an elastic piece and a screw rod; the jacket is hollow and has openings at two ends; the sliding sleeve is sleeved outside the chuck main body, and one end of the sliding sleeve is slidably sleeved in the chuck; the chuck body is arranged in the jacket in a sliding manner, and two ends of the chuck body extend out of the jacket; the elastic piece is arranged in the jacket and sleeved outside the chuck main body, one end of the elastic piece is connected with the step formed in the jacket, and the other end of the elastic piece is connected with one end of the sliding sleeve extending into the jacket; one end of the chuck main body, which is far away from the sliding sleeve, is provided with a sliding hole which is arranged along the axial direction, and one end of the screw rod penetrates through the jacket and is limited in the sliding hole to prevent the chuck main body from rotating.

2. The orienting chuck of claim 1, wherein: one end of the jacket close to the sliding sleeve is provided with a strip-shaped hole arranged along the axial direction; the chuck main body is provided with a positioning hole which is opposite to the strip-shaped hole; the positioning chuck further comprises a positioning pin, and the positioning pin penetrates through the strip-shaped hole and extends into the positioning hole for limiting.

3. The orienting clip of claim 1, wherein: the sliding sleeve is provided with a locking hole, the chuck body is provided with a threaded hole matched with the locking hole, and a bolt sequentially penetrates through the locking hole and the threaded hole to fixedly connect the sliding sleeve with the chuck body.

4. An orienting jaw as in any one of claims 1 to 3 wherein: the number of the sliding holes is multiple, one end, far away from the sliding sleeve, of each sliding hole extends outwards to form a strip-shaped groove, the strip-shaped grooves extend to the end portion of the chuck main body, and the width of each strip-shaped groove is smaller than that of each sliding hole.

5. An orienting jaw as in any one of claims 1 to 3 wherein: the chuck body is kept away from the one end of sliding sleeve is equipped with clamping part, clamping part is the setting of round platform shape, the one end of clamping part stretches into in the chuck.

6. The orienting clip of claim 5 wherein: the one end of pressing from both sides the cover is equipped with the horn hole, the aperture of horn hole toward keeping away from the direction grow gradually of sliding sleeve, clamping part adaptation in the horn hole.

7. An orienting jaw as in any one of claims 1 to 3 wherein: the elastic piece is a compression spring.

8. An orienting chuck as in any one of claims 1 to 3, wherein: and one end of the sliding sleeve extending out of the jacket is provided with a limiting boss.