CN219852188U - Novel three-jaw chuck for clamping - Google Patents

Abstract

The utility model discloses a novel three-jaw chuck for clamping, which belongs to the technical field of three-jaw chucks and comprises a chuck body, wherein a mounting column is clamped on the side surface of the chuck body, a rotating device is clamped on the side surface of the chuck body, the rotating device comprises a first bearing, the first bearing is clamped in the chuck body, a first rotating shaft is sleeved in the first bearing, and a gear is clamped outside the first rotating shaft. This novel three-jaw chuck for centre gripping is through setting up chuck body and threaded rod, places this product of waiting to process in spacing clamping lever, later rotates second handle and first handle for three spacing fixture block is internal phase motion in the spacing inslot, makes the spacing clamping lever that corresponds slide in the spout, makes the device can effectually adjust according to the shape of product, and then carries out spacingly to the product of partial irregular shape, when having ensured the device centre gripping stability, further guaranteed the subsequent processing effect of product.

Description

Novel three-jaw chuck for clamping

Technical Field

The utility model belongs to the technical field of three-jaw chucks, and particularly relates to a novel three-jaw chuck for clamping.

Background

The three-jaw chuck is a tool used for clamping workpieces in mechanical engineering, so that the disc-shaped structural products are conveniently fixed, most of the existing three-jaw chucks can only clamp regular products, the irregular shape of part of products is easy to appear in the production process, and then the three-jaw chuck is difficult to adjust according to the shape of the products, and finally the clamping is unstable, so that the subsequent processing effect of the products is influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a novel three-jaw chuck for clamping, which solves the problem that the clamping is unstable due to the fact that the clamping is difficult to effectively adjust according to the shape of a product.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel three-jaw chuck for centre gripping, includes the chuck body, the side joint of chuck body has the erection column, the side joint of chuck body has rotating device, rotating device includes first bearing, first bearing joint is in the chuck body, first pivot has been cup jointed in the first bearing, the outer joint of first pivot has the gear, the gear external engagement has the ring gear seat, the side joint of ring gear seat has solid fixed ring, the ring channel has been seted up in the chuck body, the ring gear seat rotates to be connected in the ring channel, solid fixed ring external rotation is connected with three spacing fixture block, the side joint of spacing fixture block has spacing seat, the spacing groove has been seted up in the spacing seat.

As a further aspect of the utility model: three sliding grooves are formed in the chuck body, and the limiting seat is slidably connected in the sliding grooves.

As a further aspect of the utility model: the limiting groove is connected with a limiting clamping rod in a sliding mode, and the limiting clamping rod is connected with a threaded rod in an internal thread mode.

As a further aspect of the utility model: one end of the threaded rod is provided with a stop block, and one end of the threaded rod is provided with a first handle.

As a further aspect of the utility model: the threaded rod is sleeved with a second bearing, and the outer of the second bearing is clamped with a fixing block.

As a further aspect of the utility model: the fixed block is clamped in the limiting seat, and a second handle is arranged outside the first rotating shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. this novel three-jaw chuck for centre gripping is through setting up chuck body, erection column, rotating device, spacing seat, spacing clamping lever and threaded rod, place this product of waiting to process in spacing clamping lever, later rotate second handle and first handle, the second handle drives gear rotation simultaneously for the ring gear seat drives solid fixed ring and rotates in step, and then drives three spacing fixture block and move in spacing inslot relatively, make the spacing clamping lever that corresponds slide in the spout, make the device can effectually adjust according to the shape of product, and then carry out spacingly to the product of partial irregular shape, when having ensured the device centre gripping stability, further guaranteed the subsequent processing effect of product.

2. This novel three-jaw chuck for centre gripping is through setting up spacing seat, spacing clamping lever, threaded rod, first handle and fixed block, rotates corresponding first handle, and when first handle drove threaded rod pivoted, make corresponding spacing clamping lever slide in the spout, until treating the product of processing and fix spacingly, make the device can be applicable to the product of multiple shape, avoid the device to appear the unstable condition of product centre gripping when using, improved the practicality of this chuck.

3. This novel three-jaw chuck for centre gripping through setting up spacing groove and second bearing, and the mutually supporting of spacing groove and spacing kelly can avoid the condition that the skew card was died to appear in the spacing kelly when rotating, has ensured the stability of spacing kelly when rotating, and the mutually supporting of second bearing and threaded rod can support the threaded rod, avoids the threaded rod to appear the condition that the card was died at pivoted in-process, has ensured the flexibility of threaded rod self when rotating.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of a limit clip according to the present utility model;

FIG. 3 is a schematic view showing the structure of a second bearing of the present utility model;

FIG. 4 is a schematic view showing a first handle perspective structure of the present utility model;

in the figure: 1. a chuck body; 2. a mounting column; 3. a rotating device; 301. a first bearing; 302. a first rotating shaft; 303. a gear; 304. a toothed ring seat; 305. a fixing ring; 306. an annular groove; 307. a limit clamping block; 308. a limit seat; 309. a limit groove; 4. a chute; 5. a limit clamping rod; 6. a threaded rod; 7. a first handle; 8. a second bearing; 9. a fixed block; 10. and a second handle.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-4, the present utility model provides a technical solution: the novel three-jaw chuck for clamping comprises a chuck body 1, wherein three sliding grooves 4 are formed in the chuck body 1, and through the mutual matching of the sliding grooves 4 and a limiting seat 308, the situation that the limiting seat 308 is blocked due to offset in moving can be avoided, and the flexibility of the limiting seat 308 in moving is ensured;

the limiting seat 308 is slidably connected in the sliding chute 4, the mounting column 2 is clamped on the side face of the chuck body 1, the rotating device 3 comprises a first bearing 301, the first bearing 301 and the first rotating shaft 302 are matched with each other through the arrangement of the first bearing 301, the first rotating shaft 302 can be supported, meanwhile, the situation that the first rotating shaft 302 is clamped in the rotating process is avoided, and the flexibility of the first rotating shaft 302 in the rotating process is guaranteed;

the first bearing 301 is clamped in the chuck body 1, the first rotating shaft 302 is sleeved in the first bearing 301, the gear 303 is clamped outside the first rotating shaft 302, the gear 303 is externally meshed with the toothed ring seat 304, the side face of the toothed ring seat 304 is clamped with the fixed ring 305, the annular groove 306 is formed in the chuck body 1, and the annular groove 306 is matched with the toothed ring seat 304, so that the toothed ring seat 304 can be prevented from deviating during rotation, and the stability of the toothed ring seat 304 during rotation is ensured;

the tooth ring seat 304 is rotationally connected in the annular groove 306, the outer side of the fixed ring 305 is rotationally connected with three limit clamping blocks 307, the side faces of the limit clamping blocks 307 are clamped with limit seats 308, limit grooves 309 are formed in the limit seats 308, limit clamping rods 5 are slidably connected in the limit grooves 309, through the arrangement of the limit grooves 309 and the mutual matching of the limit grooves 309 and the limit clamping rods 5, the situation that the limit clamping rods 5 are blocked due to offset in rotation can be avoided, and the stability of the limit clamping rods 5 in rotation is guaranteed;

the limit clamping rod 5 is internally and threadedly connected with the threaded rod 6, one end of the threaded rod 6 is provided with a stop block, one end of the threaded rod 6 is provided with a first handle 7, the threaded rod 6 is externally sleeved with a second bearing 8, and the second bearing 8 is matched with the threaded rod 6 through the second bearing 8, so that the threaded rod 6 can be supported, and meanwhile, the situation that the threaded rod 6 is blocked in the rotating process is avoided, and the flexibility of the threaded rod 6 in the rotating process is guaranteed;

the outer joint of the second bearing 8 is provided with a fixed block 9, the fixed block 9 is clamped in a limiting seat 308, and the outer part of the first rotating shaft 302 is provided with a second handle 10.

The working principle of the utility model is as follows:

when the device is used, firstly, the product to be processed is placed in the limit clamping rod 5, then the second handle 10 is rotated, the gear 303 is driven to rotate by the second handle 10, meanwhile, the fixed ring 305 is driven to synchronously rotate by the toothed ring seat 304, and then three limit clamping blocks 307 are driven to move in the limit groove 309 until the product to be processed is attached to one side of the product, then the corresponding first handle 7 is rotated according to the shape of the product, and the corresponding limit clamping rod 5 slides in the chute 4 until the product to be processed is fixedly limited while the threaded rod 6 is driven to rotate by the first handle 7.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. The utility model provides a novel three-jaw chuck for centre gripping, includes chuck body (1), its characterized in that: the side joint of chuck body (1) has erection column (2), the side joint of chuck body (1) has rotating device (3), rotating device (3) are including first bearing (301), first bearing (301) joint is in chuck body (1), first pivot (302) have been inlayed to first bearing (301), first pivot (302) external joint has gear (303), gear (303) external engagement has toothed ring seat (304), the side joint of toothed ring seat (304) has solid fixed ring (305), annular groove (306) have been seted up in chuck body (1), toothed ring seat (304) rotate and connect in annular groove (306), gu fixed ring (305) external rotation is connected with three spacing fixture block (307), spacing seat (308) have been cup jointed to the side joint of spacing fixture block (307), spacing groove (309) have been seted up in spacing seat (308).

2. The novel three-jaw chuck for clamping according to claim 1, wherein: three sliding grooves (4) are formed in the chuck body (1), and the limiting seat (308) is slidably connected in the sliding grooves (4).

3. The novel three-jaw chuck for clamping according to claim 1, wherein: and the limiting groove (309) is internally and slidably connected with a limiting clamping rod (5), and the internal thread of the limiting clamping rod (5) is connected with a threaded rod (6).

4. A novel three-jaw chuck for clamping as claimed in claim 3, wherein: one end of the threaded rod (6) is provided with a stop block, and one end of the threaded rod (6) is provided with a first handle (7).

5. A novel three-jaw chuck for clamping as claimed in claim 3, wherein: the threaded rod (6) is sleeved with a second bearing (8), and a fixed block (9) is clamped outside the second bearing (8).

6. The novel three-jaw chuck for clamping as claimed in claim 5, wherein: the fixed block (9) is clamped in the limiting seat (308), and a second handle (10) is arranged outside the first rotating shaft (302).