CN212094397U

CN212094397U - Four-jaw double-acting hollow electric chuck

Info

Publication number: CN212094397U
Application number: CN202020375922.1U
Authority: CN
Inventors: 罗虎
Original assignee: Zhejiang Taihao Technology Co ltd
Current assignee: Zhejiang Taihao Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-08
Anticipated expiration: 2030-03-23

Abstract

The utility model provides a four-jaw double-acting hollow electric chuck, which comprises a mounting seat, a driving device, a clamping device and a dustproof device, wherein the driving device comprises a driving component and a transmission component, and the transmission component comprises a driving fluted disc and a driven fluted disc; clamping device is including rotating seat, clamping component and control assembly, and dust keeper fixes rotate on the seat, the utility model discloses a set up on the mount pad and rotate the seat, rotate the seat around both ends be provided with clamping component and drive assembly respectively, and drive assembly rotates the seat rotation through the drive mode drive of driving fluted disc and driven fluted disc, and then realizes clamping component's rotation, and four jack catchs in the clamping component realize the centre gripping of pipe material fixed through the control assembly of independent configuration simultaneously, have improved the tight centering effect of clamp greatly when having reduced clamping component inertia of rotation.

Description

Four-jaw double-acting hollow electric chuck

Technical Field

The utility model relates to a laser cutting equipment specifically is a four-jaw double acting cavity electric chuck.

Background

The four-jaw double-acting chuck can realize automatic centering and is a main component of a tube laser cutting machine tool. The pipe material is clamped and positioned through the electric chuck, then the chuck rotates in a clamping state, and the laser cutting machine cuts and discharges the pipe material.

The utility model discloses a chinese patent application number is CN 201820685888.0's utility model discloses a pneumatic four-jaw chuck for laser cutting machine, including fixing support, rings, motor, speed reducer, mounting panel, little synchronous pulley, big synchronous pulley, hold-in range, waist type hole, speed reducer adjusting seat, dabber, the air feed ring, the admission line connects, the coupling of giving vent to anger, the axle is with rotatory sealing washer, first gas circuit, the second gas circuit, deep groove ball bearing, round nut, the bearing cap, vertical carousel, the coupling, first cylinder, horizontal carousel, the jack catch seat, the toothholder, imitative shape hole, small-size deep groove ball bearing, installation pressing plate, the jack catch seat, connecting axle and second cylinder. The utility model discloses a chuck carries out the work piece rotation through motor drive synchronous pulley connection dabber, and its simple to operate, easy maintenance is changed, and it is all good to move, static sealed effect, and it is sealed the effect when chuck is static or rotatory and is higher than O type circle, long service life, and it adopts the leading installation of motor to improve material utilization, has compact structure.

However, this utility model discloses a motor directly drives the jack catch seat through the hold-in range and rotates, and the hold-in range easily appears skidding phenomenon and leads to transmission efficiency to reduce in this mode, and this utility model realizes jack catch centre gripping pipe material through pneumatic means simultaneously, but pneumatic means is difficult to the feed volume of adjusting the jack catch removal, and the suitability of equipment reduces.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a four-jaw double acting cavity electric chuck, it rotates the seat to set up on its mount pad, both ends are provided with clamping component and drive assembly respectively around rotating the seat, and drive assembly rotates the seat rotation through the drive mode drive of active fluted disc and driven fluted disc, and then realize clamping component's rotation, four jack catchs in the clamping component realize the centre gripping of pipe material fixed through the control assembly of independent configuration simultaneously, improved the tight centering effect of clamp greatly when having reduced clamping component inertia of rotation.

In order to achieve the above object, the utility model provides a following technical scheme:

a four-jaw double-action hollow power chuck comprising:

a mounting seat;

the driving device comprises a driving component and a transmission component, and the driving component is arranged on the rear side of the mounting seat; the transmission assembly comprises a driving fluted disc and a driven fluted disc, and the driving fluted disc is coaxially fixed with the power end of the driving assembly; the driven fluted disc is meshed with the driving fluted disc;

the clamping device comprises a rotating seat, a clamping assembly and a control assembly, wherein the rotating seat is rotatably arranged on the mounting seat and is coaxially fixed with the driven fluted disc; the four clamping assemblies are circumferentially arrayed on the front side of the rotating seat, and the clamping assemblies are arranged along the radial direction of the rotating seat in a sliding manner; the control assemblies and the clamping assemblies are arranged in a one-to-one correspondence mode and comprise racks, gears and motors b, and the racks are fixedly connected with the clamping assemblies; the gear is meshed with the rack; the motors b are fixed on the rotating seat, power shafts of the motors b are coaxially fixed with the gears, and the four motors b drive the four clamping assemblies to synchronously move; and

the dustproof device is fixed on the rotating seat, the dustproof device and the control assembly are arranged in a one-to-one correspondence mode, and the control assembly is connected with the dustproof device in a sliding mode.

As an improvement, the driving assembly comprises a mounting table and a motor a, and the mounting table is integrally formed on the side surface of the mounting seat; the motor a is fixedly installed on the rear side of the installation table, and a power shaft of the motor a is coaxially fixed with the driving toothed disc.

As an improvement, the rotating seat comprises a main shaft, an installation part, a sliding groove and a housing, the main shaft is rotatably installed on the installation seat, and the main shaft is arranged in a hollow manner; the four mounting parts are circumferentially distributed at the front end of the main shaft in an array manner, and the motor b is fixed on the side surface of the mounting part; the sliding groove is arranged on the mounting part along the radial direction of the main shaft; the housing is disposed between two adjacent mounting portions.

As an improvement, the driven fluted disc is coaxially fixed at the front end of the main shaft, and the middle position of the driven fluted disc is arranged in a hollow manner.

As an improvement, the diameter of the driven fluted disc is larger than the diameter of the driving fluted disc.

As an improvement, the clamping assembly comprises a connecting block, a sliding seat, a pressing shaft, a clamping jaw and a rolling shaft, wherein the connecting block is arranged in the sliding groove and can move back and forth in the sliding groove; the sliding seat is fixedly connected with the connecting block and is arranged on the dustproof device in a sliding manner; the pressing shafts are rotatably arranged in the sliding seat and roll on the dustproof device; the clamping jaw is fixedly connected with the sliding seat; the roller is rotatably mounted at the free end of the jaw.

As an improvement, the control assembly further comprises a slide rail, a slide block and a mounting plate, wherein the pair of slide rails are vertically arranged at the rear side of the mounting part; the sliding block is arranged on the sliding rail in a sliding manner; the mounting plate is fixedly connected with the sliding block, the mounting plate is fixed on the other side of the connecting block relative to the sliding seat, and the rack is fixed on the mounting plate.

As an improvement, the dustproof device comprises dustproof plates and dustproof steel belts, a pair of the dustproof plates are symmetrically arranged at two ends of the sliding groove in the length direction, and the dustproof plates are fixed on the front side of the mounting part; the dustproof steel belt is connected with the pair of dustproof plates.

As an improvement, a concentrator is arranged on the mounting seat, and power supply lines of the driving device and the clamping device are wound in the concentrator.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a set up the rotation seat on the mount pad, both ends are provided with clamping component and drive assembly respectively around the rotation seat, and the drive assembly drives the rotation seat through the drive mode of driving fluted disc and driven fluted disc and rotates, and then realize the rotation of clamping component, have reduced clamping component inertia greatly, and driving fluted disc diameter is less than driven fluted disc diameter simultaneously, great improvement transmission efficiency;

(2) the utility model discloses an independent action of four jack catchs that set up on the roating seat, and the control assembly adopts servo motor to combine rack and pinion drive mode, makes the jack catch action easily controlled and adjustable, and this mode has replaced current cylinder to carry out centering centre gripping to the tubular product through driving four jack catchs synchronous motion and can't be suitable for the tubular product centre gripping demand of some special specifications, the utility model discloses not only can realize treating the synchronous quick centering centre gripping of centre gripping tubular product, still can be applicable to especially the centre gripping of the tubular product of the same external diameter and different wall thickness, its application scope is wide and clamping-force is adjustable;

(3) in the utility model, the action of each jack catch is provided with an independent servo motor as the driving force, and the jack catch is adjusted to the clamping force of the pipe material by adjusting the torque of the servo motor by combining the corresponding slide rail, the slide block and the gear rack transmission mode, so as to adapt to the clamping requirements of the pipe materials with the same outer diameter and different wall thicknesses;

(4) the dustproof steel belt arranged in the utility model can separate waste residue sputtered onto the slide rail, improve the straightness of movement of the clamping component, ensure the centering effect of the clamping jaw and ensure that the pipe material can not become loose during laser cutting operation;

(5) the utility model discloses well four jack catchs are respectively through the equal independent action of the control of independent configuration, and the independent action of four jack catchs is realized to the control assembly, and the control assembly adopts servo motor to combine rack and pinion drive mode, and the accessible sets up servo motor's parameter control jack catch antedisplacement's the volume of feeding to realize the centre gripping of the irregular pipe material in cross-section, improve equipment's suitability.

To sum up, the utility model has the advantages of simple structure, design benefit, centre gripping are effectual and centering effect is good, are particularly useful for the laser cutting unloading in-process of pipe material.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the rotary base;

FIG. 4 is a schematic view of a sliding seat structure;

FIG. 5 is a first view of the back of the mounting portion;

FIG. 6 is a second view of the back of the mounting portion;

fig. 7 is a sectional view of the mounting portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify 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 therefore 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 present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b):

as shown in fig. 1 and 2, the utility model provides a four-jaw double-acting hollow electric chuck, which comprises:

a mounting base 1;

the driving device 2 comprises a driving component 20 and a transmission component 24, and the driving component 20 is installed at the rear side of the installation seat 1; the transmission assembly 24 includes a driving gear plate 241 and a driven gear plate 242, and the driving gear plate 241 is coaxially fixed to the power end of the driving assembly 20; the driven fluted disc 242 is meshed with the driving fluted disc 241;

the clamping device 3 comprises a rotating seat 31, a clamping assembly 32 and a control assembly 33, wherein the rotating seat 31 is rotatably installed on the front side of the mounting seat 1 and is coaxially fixed with the driven fluted disc 242; the four clamping assemblies 32 are circumferentially arrayed on the rotating seat 31, and the clamping assemblies 32 are arranged along the rotating seat 31 in a radial sliding mode; the control assemblies 33 are arranged in one-to-one correspondence with the clamping assemblies 32, and each control assembly comprises a rack 331, a gear 332 and a motor b336, wherein the rack 331 is fixedly connected with the clamping assemblies 32; the gear 332 is meshed with the rack 331; the motors b336 are fixed on the rotating base 31, power shafts of the motors b336 are coaxially fixed with the gear 332, and the four motors b336 drive the four clamping assemblies 32 to synchronously move; and

the dustproof device 4 is fixed on the rotating seat 31, the dustproof device 4 and the control assembly 33 are arranged in a one-to-one correspondence mode, and the control assembly 33 is connected with the dustproof device 4 in a sliding mode.

It should be noted that the motor b336 is a servo motor, and the clamping force on the tube stock can be controlled by changing the torque of the motor b336 to adapt to the tube stock with different wall thicknesses.

Further, as shown in fig. 2, the driving assembly 20 includes a mounting table 21 and a motor a22, wherein the mounting table 21 is integrally formed on a side surface of the mounting base 1; the motor a22 is fixedly mounted on the rear side of the mounting table 21, and the power shaft thereof is coaxially fixed with the driving fluted disc 241.

The mount 21 is integrally formed with the mount 1, so that vibration caused by the motor a22 when the chuck rotates can be reduced, and the apparatus can be more stable.

It should be noted that the motor a22 is provided with a speed reducer.

As shown in fig. 3 and 4, as a preferred embodiment, the rotating base 31 includes a main shaft 311, a mounting portion 312, a sliding groove 313 and a housing 314, the main shaft 311 is rotatably mounted on the mounting base 1, and the main shaft 311 is disposed in a hollow manner; the four mounting parts 312 are circumferentially distributed at the front end of the main shaft 311 in an array, and the motor b336 is fixed on the side surface of the mounting part 312; the sliding groove 313 is arranged on the mounting part 312 along the radial direction of the main shaft 311; the housing 314 is disposed between two adjacent mounting portions 312.

Further, the driven fluted disc 242 is coaxially fixed at the front end of the main shaft 311, and the middle position of the driven fluted disc 242 is hollowed out.

Further, the diameter of the driven gear plate 242 is larger than the diameter of the driving gear plate 241.

It should be noted that the cover 314 prevents dust from entering the inside of the rotating seat 31, thereby reducing the wear of the equipment and prolonging the service life.

It should be noted that, as shown in fig. 2, the driven gear plate 242 and the mounting portion 312 are located at two ends of the main shaft 311, which reduces the diameter of the front end chuck compared to the conventional transmission manner, thereby effectively reducing the rotational inertia, and meanwhile, the diameter of the driven gear plate 242 is greater than that of the driving gear plate 241, thereby ensuring the rotational efficiency.

As shown in fig. 3 and 4, as a preferred embodiment, the clamping assembly 32 includes a connecting block 321, a sliding seat 324, a pressing shaft 325, a claw 322 and a roller 323, wherein the connecting block 321 is disposed in the sliding groove 313 and can move back and forth in the sliding groove 313; the sliding seat 324 is fixedly connected with the connecting block 321, and the sliding seat 324 is slidably arranged on the dustproof device 4; a plurality of the pressing shafts 325 are rotatably installed inside the sliding seat 324, and the pressing shafts 325 roll on the dustproof device 4; the clamping jaw 322 is fixedly connected with the sliding seat 324; the roller 323 is rotatably mounted to the free end of the pawl 322.

Further, as shown in fig. 5 and 6, the control assembly 33 further includes a sliding rail 333, a sliding block 334, and an installation plate 335, wherein the pair of sliding rails 333 are vertically disposed at the rear side of the installation portion 312; the slide block 334 is slidably arranged on the slide rail 333; the mounting plate 335 is fixedly connected to the slider 334, the mounting plate 335 is fixed to the other side of the connecting block 321 with respect to the sliding seat 324, and the rack 331 is fixed to the mounting plate 335.

As shown in fig. 7, as a preferred embodiment, the dust-proof device 4 includes a pair of dust-proof plates 41 and a dust-proof steel band 42, the pair of dust-proof plates 41 are symmetrically disposed at both ends of the sliding groove 313 in the longitudinal direction, and the dust-proof plates 41 are fixed to the front side of the mounting portion 312; the dust-proof steel band 42 connects a pair of the dust-proof plates 41.

It should be noted that the pair of slide rails 333 are vertically arranged to ensure the moving straightness of the claw 322.

It should be noted that the dust-proof steel belt 42 is inserted into the sliding seat 324, and the pressing shaft 325 rolls on the dust-proof steel belt 42 to make the movement of the clamping jaw 322 more stable, thereby further improving the clamping force.

It is important to note that the dust-proof steel belt 42 blocks the sliding groove 313 to prevent the waste residue from entering the chuck during laser cutting, and the waste residue attached to the dust-proof steel belt 42 can be scraped by the movement of the sliding seat 324.

As shown in fig. 2, a hub 11 is disposed on the mounting base 1, and power supply lines of the driving device 2 and the clamping device 3 are wound therein.

The working process is as follows:

the utility model discloses in, to treat the pipe material of processing and place in main shaft 311, later four motor b336 rotates simultaneously, and then gear 332 rotates, and then drives rack 331 removes, and then drives mounting panel 335 is followed slide rail 333 removes, and then passes through connecting block 321 drives sliding seat 324 removes, and then last roll of pressure axle 325 dustproof steel band 42, and then drive jack catch 322 removes, roller bearing 323 is contradicted with the pipe material of treating processing, later motor b336 stall treats the processing pipe material and is held, next motor a22 drives driving fluted disc 241 rotates, and then drives driven fluted disc 242 rotates, and then drives main shaft 311 and installation department 312 rotate, and then the pipe material of treating processing rotates.

Claims

1. A four-jaw double-acting hollow power chuck, comprising:

a mounting seat (1);

the driving device (2) comprises a driving component (20) and a transmission component (24), and the driving component (20) is installed on the rear side of the installation seat (1); the transmission assembly (24) comprises a driving fluted disc (241) and a driven fluted disc (242), and the driving fluted disc (241) is coaxially fixed with the power end of the driving assembly (20); the driven fluted disc (242) is meshed with the driving fluted disc (241);

the clamping device (3) comprises a rotating seat (31), a clamping assembly (32) and a control assembly (33), the rotating seat (31) is rotatably mounted on the mounting seat (1) and is coaxially fixed with the driven fluted disc (242); the four clamping assemblies (32) are circumferentially arrayed on the front side of the rotating seat (31), and the clamping assemblies (32) are arranged along the radial direction of the rotating seat (31) in a sliding manner; the control assemblies (33) and the clamping assemblies (32) are arranged in a one-to-one correspondence mode and comprise racks (331), gears (332) and motors b (336), and the racks (331) are fixedly connected with the clamping assemblies (32); the gear (332) is meshed with the rack (331); the motors b (336) are fixed on the rotating seat (31), power shafts of the motors b (336) are coaxially fixed with the gear (332), and the four motors b (336) drive the four clamping assemblies (32) to synchronously move; and

the dustproof device (4) is fixed on the rotating seat (31), the dustproof device (4) and the control assembly (33) are arranged in a one-to-one correspondence mode, and the control assembly (33) is connected with the dustproof device (4) in a sliding mode.

2. The double-acting hollow power chuck with four jaws according to claim 1, characterized in that the driving assembly (20) comprises a mounting table (21) and a motor a (22), the mounting table (21) being integrally formed on the side of the mounting seat (1); the motor a (22) is fixedly arranged on the rear side of the mounting table (21), and a power shaft of the motor a is coaxially fixed with the driving fluted disc (241).

3. The double-acting hollow electric chuck with four jaws as claimed in claim 2, characterized in that said rotating base (31) comprises a main shaft (311), a mounting portion (312), a sliding groove (313) and a housing (314), said main shaft (311) is rotatably mounted on said mounting base (1), said main shaft (311) is hollow; the four mounting parts (312) are distributed at the front end of the main shaft (311) in a circumferential array manner, and the motor b (336) is fixed on the side surface of the mounting part (312); the sliding groove (313) is arranged on the mounting part (312) along the radial direction of the main shaft (311); the cover (314) is arranged between two adjacent mounting parts (312).

4. The double-acting hollow four-jaw power chuck as claimed in claim 3, wherein the driven gear plate (242) is coaxially fixed at the front end of the main shaft (311), and the driven gear plate (242) is hollow at the middle position.

5. The four-jaw double-acting hollow power chuck according to claim 4, characterized in that the diameter of the driven toothed disc (242) is larger than the diameter of the driving toothed disc (241).

6. A four-jaw double-acting hollow power chuck according to claim 3, characterized in that the clamping assembly (32) comprises a connecting block (321), a sliding seat (324), a pressing shaft (325), a jaw (322) and a rolling shaft (323), the connecting block (321) is arranged in the sliding groove (313) and can move back and forth in the sliding groove (313); the sliding seat (324) is fixedly connected with the connecting block (321), and the sliding seat (324) is arranged on the dustproof device (4) in a sliding manner; a plurality of pressing shafts (325) are rotatably arranged inside the sliding seat (324), and the pressing shafts (325) roll on the dustproof device (4); the clamping jaw (322) is fixedly connected with the sliding seat (324); the roller (323) is rotatably mounted at the free end of the jaw (322).

7. The double-acting hollow power chuck with four jaws as claimed in claim 6, wherein the control assembly (33) further comprises a slide rail (333), a slide block (334) and a mounting plate (335), the pair of slide rails (333) are vertically arranged at the rear side of the mounting part (312); the sliding block (334) is arranged on the sliding rail (333) in a sliding manner; the mounting plate (335) is fixedly connected with the sliding block (334), the mounting plate (335) is fixed on the other side of the connecting block (321) relative to the sliding seat (324), and the rack (331) is fixed on the mounting plate (335).

8. The double-acting hollow electric chuck with four claws as claimed in claim 3, wherein the dust-proof device (4) comprises a pair of dust-proof plates (41) and a pair of dust-proof steel belts (42), the pair of dust-proof plates (41) are symmetrically arranged at both ends of the sliding groove (313) in the length direction, and the dust-proof plates (41) are fixed at the front side of the mounting part (312); the dustproof steel belt (42) is connected with the pair of dustproof plates (41).

9. Four-jaw double-acting hollow power chuck according to claim 1, characterized in that the mounting seat (1) is provided with a hub (11) around which the power supply lines of the driving means (2) and the clamping means (3) are wound.