CN219211662U

CN219211662U - Side positioning chuck

Info

Publication number: CN219211662U
Application number: CN202123367003.3U
Authority: CN
Inventors: 陈坚
Original assignee: Jinhua Chenxing Technology Co ltd
Current assignee: Jinhua Chenxing Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-06-20
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a side positioning chuck, which comprises a chuck main body (1), a plurality of clamping jaws (2) and a side positioning mechanism (4), wherein the side positioning mechanism (4) comprises a backing (401), a positioning core (402) and a core tooth connecting plate (403), a workpiece to be processed is radially positioned through a positioning surface of the backing (401), the workpiece to be processed is axially positioned through the positioning core (402), and the side positioning mechanism (4) is independently controlled by a power mechanism on a lathe and is not linked with the clamping jaws (2), compared with the technical scheme that the clamping jaws are linked for positioning in the prior art, the side positioning mechanism can meet the positioning requirement of higher precision, and positioning deviation cannot occur due to repeated clamping.

Description

Side positioning chuck

Technical Field

The utility model relates to the technical field of machining, in particular to a side positioning chuck.

Background

The chuck is used as a lathe accessory for clamping round or square and rectangular workpieces to carry out cutting processing, a four-jaw hydraulic chuck is usually required to meet the processing requirements of different workpieces, and the positioning of the chuck is usually carried out by adopting four-jaw linkage.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a side positioning chuck which comprises a chuck main body and a plurality of clamping jaws, wherein a plurality of groups of radial sliding grooves are embedded in the upper end of the chuck main body, each sliding groove is internally provided with a sliding block which is independently driven by a linear power mechanism, the clamping jaws are respectively connected above the sliding blocks, the side positioning chuck also comprises a side positioning mechanism, and the side positioning mechanism and the clamping jaws are distributed on a circumferential track taking the center of the chuck main body as the center of a circle; the side positioning mechanism comprises a backer, a positioning core and a core tooth connecting plate, wherein the backer, the positioning core and the core tooth connecting plate are coaxially distributed; the backup pad is fixed on the chuck main body through the bolt and forms vertical locating surface in the one side towards chuck main body center, and the chuck main body is equipped with the location spout in the backup pad below, is equipped with the location slider by linear power mechanism drive in the location spout, core tooth even board lower extreme is connected with the location slider, and the one end and the core tooth even board of location core are connected, and the other end of location core passes the backup pad and faces chuck main body center, and the clamping area is enclosed into to the one end that the location core towards chuck main body center and the one end that the jack catch towards chuck main body center.

Further, the claw is a comb claw, the upper end face of the sliding block is a comb tooth face, a fixed groove is formed in the sliding block, a slidable T-shaped piece is arranged in the fixed groove, the claw is connected with the T-shaped piece through a bolt, and the comb tooth face at the lower end of the claw is opposite, complementary and connected with the tooth shape of the comb tooth face at the upper end of the sliding block.

Further, the end of the claw facing the center of the chuck body is provided with a detachable abutting piece. The side of the abutting piece facing the clamping jaw is provided with an inclined plane, and the clamping jaw is provided with an inclined slot matched with the inclined slot at the position corresponding to the inclined plane.

Further, the lower end of the core tooth connecting plate is connected with a T-shaped piece through a bolt, a fixing groove is formed in the positioning sliding block, and the core tooth connecting plate is adjustably fixed on the positioning sliding block.

Further, the number of the clamping claws is three, one clamping claw is arranged opposite to the positioning core, and the other two clamping claws are respectively arranged at two sides of the clamping area.

By adopting the structure, the utility model has the following gain effects:

1. the side positioning mechanism is used for positioning the workpiece to be clamped, the side positioning mechanism is connected with the workpiece to be processed, and the clamping jaw is used for clamping after the position of the workpiece to be processed is determined, so that the technical problem that the position of the workpiece is deviated due to the fact that the clamping jaw is directly used for linkage positioning in the prior art is avoided.

2. The positioning core can be taken out through the movement of the positioning sliding block, and the workpiece can be easily taken down after the fixing of the positioning core is removed.

3. The claw is provided with a detachable abutting piece, and the claw is replaced by replacing the abutting piece, so that workpieces of different shapes and different types are adapted.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a schematic structural view of the present utility model cooperating with a workpiece to be processed.

Fig. 4 is a schematic structural view of one embodiment.

1. A chuck body; 2. a claw; 3. a slide block; 4. a side positioning mechanism; 401. a backer; 402. positioning the core; 403. a core tooth connecting plate; 5. and positioning the sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model discloses a side positioning chuck, which comprises a chuck main body 1 and a plurality of clamping jaws 2, wherein a plurality of groups of radial sliding grooves are embedded in the upper end of the chuck main body 1, a sliding block 3 which is independently driven by a linear power mechanism is arranged in each sliding groove, the clamping jaws 2 are respectively connected above the sliding blocks 3, the side positioning chuck also comprises a side positioning mechanism 4, and the side positioning mechanism 4 and the clamping jaws 2 are distributed on a circumferential track taking the center of the chuck main body 1 as the circle center; the side positioning mechanism 4 comprises a backing 401, a positioning core 402 and a core tooth connecting plate 403, wherein the backing 401, the positioning core 402 and the core tooth connecting plate 403 are coaxially distributed; the backing plate 401 is fixed on the chuck body 1 through bolts and forms a vertical positioning surface on one side facing the center of the chuck body 1, the chuck body 1 is provided with a positioning chute below the backing plate 401, a positioning slide block 5 driven by a linear power mechanism is arranged in the positioning chute, the lower end of the core tooth connecting plate 403 is connected with the positioning slide block 5, one end of the positioning core 402 is connected with the core tooth connecting plate 403, the other end of the positioning core 402 passes through the backing plate 401 to face the center of the chuck body, and the end of the positioning core 402 facing the center of the chuck body and the end of the clamping jaw 2 facing the center of the chuck body enclose a clamping area.

Linear power mechanisms include, but are not limited to, hydraulic cylinders, air cylinders, or electric motors, etc.

As shown in fig. 3, the number of the clamping claws 2 is three, one clamping claw 2 is arranged on the opposite side of the positioning core 402, the other two clamping claws 2 are respectively arranged on two sides of the clamping area, the workpiece to be processed is fixed on the chuck provided by the utility model, the working process is that one end of the workpiece to be processed is sleeved on the positioning core 402 and is attached to the positioning surface of the backing plate 401, a power mechanism corresponding to the clamping claw arranged opposite to the positioning core 402 is started, the workpiece to be processed is clamped under the driving of the sliding block, the clamping claws on two sides are started to further clamp the workpiece to be processed, the clamping claws are reset after the processing is finished, the power mechanism corresponding to the positioning sliding block is started, the positioning sliding block is adjusted to draw the positioning core 402 out of the backing plate 401, and the processed workpiece can be easily taken down.

As one of the preferable schemes, as shown in fig. 2, the claw 2 is a comb claw, the upper end surface of the sliding block 3 is a comb tooth surface, a fixed groove is arranged in the sliding block 3, a slidable T-shaped piece is arranged in the fixed groove, the claw 2 is connected with the T-shaped piece through a bolt, and the comb tooth surface at the lower end of the claw 2 is opposite, complementary and connected with the tooth shape of the comb tooth surface at the upper end of the sliding block 3. The claw 2 can be finely adjusted in the range of the comb tooth surface, namely, when the size of a workpiece to be processed is large, the claw 2 is adjusted outwards in the diameter direction of the chuck main body 1, when the size of the workpiece to be processed is small, the claw 2 is adjusted inwards in the diameter direction of the chuck main body 1, and after the position of the claw 2 is adjusted to a proper position, the claw 2 and the sliding block 3 are fixed through bolts.

As one of the preferred schemes, consider to the work piece of different shapes needs to adopt the jack catch of different shapes, so adopt the technical scheme of installing detachable conflict piece additional on the jack catch, as shown in fig. 4, the jack catch 2 is equipped with detachable conflict piece towards the one end in chuck main part center, the conflict piece is equipped with the inclined plane towards one side of jack catch 2, jack catch 2 is equipped with the inclined slot of adaptation with it in the position of corresponding inclined plane, conflict piece passes through the bolt detachably to be fixed in on the jack catch 2, the accessible is changed conflict piece and is satisfied the work piece of different shapes, because conflict piece can receive the extrusion that excels in the use, the inclined plane of conflict piece and the inclined slot of jack catch 2 can effectively improve jack catch 2 and conflict piece's joint strength, avoid holding the in-process conflict piece and upwards break away from jack catch 2 owing to the extrusion, and conflict piece can further press from both sides with jack catch 2 after receiving the extrusion, thereby improve clamping accuracy of jack catch 2.

The positioning core 402 passes through the backup pad 401 to form a positioning boss, and the positioning boss needs to have the height as high as possible within the allowable range of the workpiece in order to improve the fixing strength because of different heights of the positioning bosses used by different workpieces, so that the positioning boss needs to be subjected to adjustable structural setting, as one of the preferred schemes, the lower end of the core tooth connecting plate 403 is connected with a T-shaped piece through a bolt, a fixing groove is arranged in the positioning slide 5, the core tooth connecting plate 403 is adjustably fixed on the positioning slide 5, and the purpose of adjusting the height of the positioning boss can be achieved by adjusting the position of the T-shaped piece in the fixing groove because the core tooth connecting plate 403 is connected with the positioning core 402, wherein the shape of the positioning boss comprises, but is not limited to, a circular table-board structure shown in the drawing, and the shape and the size of the positioning core 402 and the backup pad 401 can be replaced according to the requirements of the workpiece to be processed.

The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The utility model is not limited to the above embodiments, but various changes within the protective scope of the independent claims are possible within the protective scope of the utility model.

Claims

1. The utility model provides a side location chuck, includes chuck main part (1) and a plurality of jack catch (2), the upper end embedding of chuck main part (1) is provided with radial spout of multiunit, is equipped with slider (3) by sharp power unit independent drive in every spout, jack catch (2) are connected in slider (3) top, its characterized in that respectively:

the chuck also comprises a side positioning mechanism (4), wherein the side positioning mechanism (4) and the clamping jaws (2) are distributed on a circumferential track taking the center of the chuck main body (1) as the center of a circle;

the side positioning mechanism (4) comprises a leaning mountain (401), a positioning core (402) and a core tooth connecting plate (403),

the backup (401), the positioning core (402) and the core tooth connecting plate (403) are coaxially distributed;

the backer (401) is fixed on the chuck main body (1) through bolts and forms a vertical positioning surface on one side facing the center of the chuck main body (1),

the chuck main body (1) is provided with a positioning chute below the leaning hill (401), a positioning slide block (5) driven by a power mechanism is arranged in the positioning chute, the lower end of the core tooth connecting plate (403) is connected with the positioning slide block (5),

one end of the positioning core (402) is connected with the core tooth connecting plate (403), the other end of the positioning core (402) passes through the backer (401) to face the center of the chuck main body,

the end of the positioning core (402) facing the center of the chuck body and the end of the jaws (2) facing the center of the chuck body enclose a clamping area.

2. A side-positioning chuck as set forth in claim 1, wherein: the claw (2) is a comb tooth claw, the upper end face of the sliding block (3) is a comb tooth face, a fixed groove is formed in the sliding block (3), a slidable T-shaped piece is arranged in the fixed groove, the claw (2) is connected with the T-shaped piece through a bolt, and the comb tooth face at the lower end of the claw (2) is opposite, complementary and connected with the tooth shape of the comb tooth face at the upper end of the sliding block (3).

3. A side-positioning chuck as set forth in claim 1, wherein: the end of the claw (2) facing the center of the chuck body is provided with a detachable abutting piece.

4. A side-positioning chuck as set forth in claim 3, wherein: the side of the abutting piece facing the clamping jaw (2) is provided with an inclined plane, and the clamping jaw (2) is provided with an inclined slot which is matched with the inclined plane at the position corresponding to the inclined plane.

5. A side-positioning chuck as set forth in claim 1, wherein: the lower end of the core tooth connecting plate (403) is connected with a T-shaped piece through a bolt, a fixed groove is arranged in the positioning slide block (5), and the core tooth connecting plate (403) is adjustably fixed on the positioning slide block (5).

6. A side-positioning chuck as set forth in claim 1, wherein: the number of the clamping claws (2) is three, one clamping claw is arranged opposite to the positioning core (402), and the other two clamping claws are respectively arranged at two sides of the clamping area.