CN218946872U

CN218946872U - Chuck structure of screw locking machine

Info

Publication number: CN218946872U
Application number: CN202223244996.XU
Authority: CN
Inventors: 梁壹园; 还春峰
Original assignee: Kunshan Hwda Electronic Technology Co ltd
Current assignee: Kunshan Hwda Electronic Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-02
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a chuck structure of a screw locking machine, which comprises a bracket, wherein a hydraulic rod is arranged on one side of the bracket, the bottom end of the hydraulic rod is fixedly connected with a mounting plate, and a miniature motor is arranged on the mounting plate, and the chuck structure further comprises: the output shaft of the miniature motor is fixedly connected with the positioning rod; the top end of the chuck main body is provided with a through hole matched with the positioning rod; clamping assembly, locating lever bilateral symmetry is fixed with clamping assembly, clamping assembly includes two arc splint that are close to each other or keep away from the removal, and it is fixed to not the chuck main part clamp of equidimension type, and this kind of chuck structure of lock screw machine, for the chuck structure of current automatic lock screw machine, can not appear after working for a long time, wearing and tearing comparatively seriously between gyro wheel and the I shape cover lead to producing the noise and lead to the problem of device inefficacy, can use for a long time.

Description

Chuck structure of screw locking machine

Technical Field

The utility model relates to the technical field of screw locking machines, in particular to a chuck structure of a screw locking machine.

Background

The automatic screw locking machine realizes the procedures of automatic conveying, tightening, detecting and the like of screws through various electric and pneumatic components, simplifies the screw fastening procedure through equipment, reduces the number of workers and reduces bad factors caused by manual misoperation, is typical nonstandard automatic equipment, but when in actual use, the existing automatic screw locking machine needs to replace different locking chucks when screwing different screws, and can realize the screw tightening of different models, so the operation is troublesome when the locking chucks are replaced, and the automatic screw locking machine cannot be quickly replaced.

The chuck structure of the automatic screw locking machine with the prior bulletin number of CN216298512U can realize the clamping fixation of the locking chucks with different sizes through the clamping assembly, is convenient for screw down the screws through the locking chucks, and rotates in the interior of the I-shaped sleeve through the idler wheels on the inner sides of the clamping plates, so that the phenomenon that the locking chucks cannot rotate after the position fixation is avoided when the locking chucks rotate, and the whole practicability and applicability are improved when the screws are screwed down.

However, when the device is used, because the roller wheel on the inner side of the clamping plate rotates in the H-shaped sleeve, the roller wheel and the inner wall of the H-shaped sleeve are in butt rotation under the action of the tension spring, after long-time working, the abrasion between the roller wheel and the H-shaped sleeve is serious, especially when the roller wheel is in serious abrasion, the arc plate is in direct contact with the H-shaped sleeve, and the chuck can generate some harsh noise when rotating, and the normal rotation work of the chuck can be influenced, so the device has the advantages of common use effect and certain timeliness.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a chuck structure of a screw locking machine which can be used for a long time.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a lock chuck structure of screw machine, includes the support, support one side is equipped with the hydraulic stem, the bottom fixedly connected with mounting panel of hydraulic stem, be equipped with micro motor on the mounting panel, still include:

the output shaft of the miniature motor is fixedly connected with the positioning rod;

the top end of the chuck main body is provided with a through hole matched with the positioning rod;

the clamping assembly is symmetrically fixed on two sides of the positioning rod and comprises two arc clamping plates which are close to each other or far away from each other, and clamping and fixing clamp heads of different sizes and types are achieved.

Preferably, the clamping assembly comprises a supporting piece, the supporting piece comprises a supporting plate and a hollow rod, the supporting plate is symmetrically and fixedly arranged above two sides of the positioning rod, the supporting plate is L-shaped and is provided with a horizontal part and a vertical part, the hollow rod is fixedly penetrated through the vertical part of the supporting plate, and two hollow rods are mutually close to one end and are all provided with openings.

Preferably, the clamping assembly comprises a transmission part, the transmission part comprises a ball screw and a slide rod, the two inner walls of the hollow rod are mutually far away from one side and are respectively connected with the ball screw through bearings in a rotating mode, the outer surface of the ball screw is screwed with the slide rod in a spiral mode, and one end of the slide rod is fixedly connected with an arc-shaped clamping plate.

Preferably, the clamping assembly comprises a power piece, the power piece is a knob block, and one end of the ball screw penetrates through the hollow rod to be fixedly connected with the knob block.

Preferably, the limiting blocks are symmetrically and fixedly arranged on two sides of the outer surface of the chuck main body, and a limiting groove matched with the limiting block is formed in one side, close to the chuck main body, of the arc-shaped clamping plate.

Preferably, the positioning blocks are symmetrically and fixedly arranged on two sides of the outer surface of the positioning rod, and the positioning grooves are symmetrically formed on two sides of the inner wall of the through hole.

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

when the new chuck main part needs to be fixed, insert the through-hole alignment locating lever in the chuck main part, the rethread adjusts clamping assembly, make it drive two arc splint and be close to each other and remove, make arc splint and chuck main part surface contact, press from both sides tightly fixedly to the chuck main part, thereby can accomplish the quick fixation to the chuck main part of equidimension type not, and for the chuck structure of current automatic screw locking machine, can not appear after long-time work, wearing and tearing comparatively seriously lead to the noise production and lead to the problem of device inefficacy between gyro wheel and the I-shaped cover, can use for a long time.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the positioning rod, clamping assembly and positioning block of the present utility model;

FIG. 3 is a schematic view of the chuck body, stopper and positioning slot structure of the present utility model;

FIG. 4 is a schematic view of the clamping assembly and limiting groove structure of the present utility model;

wherein: 1. a bracket; 2. a hydraulic rod; 3. a mounting plate; 4. a micro motor; 5. a positioning rod; 6. a chuck body; 7. a clamping assembly; 701. a support plate; 702. a hollow rod; 703. a ball screw; 704. a slide bar; 705. an arc clamping plate; 706. a knob block; 8. a limiting block; 9. a limit groove; 10. a positioning groove; 11. and (5) positioning blocks.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

embodiment one:

as shown in fig. 1-4, the utility model provides a chuck structure of a screw locking machine, which comprises a bracket 1, wherein one side of the bracket 1 is provided with a hydraulic rod 2, the bottom end of the hydraulic rod 2 is fixedly connected with a mounting plate 3, the mounting plate 3 is provided with a miniature motor 4, the chuck structure also comprises a positioning rod 5, a chuck main body 6 and a clamping component 7, an output shaft of the miniature motor 4 is fixedly connected with the positioning rod 5, the top end of the chuck main body 6 is provided with a through hole matched with the positioning rod 5, the two sides of the positioning rod 5 are symmetrically fixed with the clamping component 7, and the clamping component 7 comprises two arc clamping plates 705 which are mutually close to or far away from each other and clamp and fix the chuck main bodies 6 with different sizes;

when the novel chuck body 6 is needed to be replaced and fixed during use, the through hole on the chuck body 6 is aligned with the positioning rod 5 and is inserted, the clamping assembly 7 is adjusted to drive the two arc clamping plates 705 to move close to each other, the arc clamping plates 705 are in contact with the outer surface of the chuck body 6, the chuck body 6 is clamped and fixed, accordingly, the chuck body 6 of different sizes and types can be rapidly fixed, and compared with the chuck structure of the automatic screw locking machine with the prior bulletin number of CN216298512U, the problems of noise generation and device failure caused by serious abrasion between the idler wheel and the I-shaped sleeve after long-time working can be solved, and the novel chuck can be used for a long time.

Embodiment two:

as shown in fig. 2 to fig. 4, on the basis of the first embodiment, the present embodiment further discloses that the clamping assembly 7 includes a supporting member, the supporting member includes a supporting plate 701 and a hollow rod 702, the supporting plate 701 is symmetrically and fixedly installed above two sides of the positioning rod 5, the supporting plate 701 is L-shaped, and has a horizontal portion and a vertical portion, the hollow rod 702 is fixedly penetrating through the vertical portion of the supporting plate 701, two hollow rods 702 are provided with openings at one ends close to each other, the clamping assembly 7 includes a transmission member, the transmission member includes a ball screw 703 and a sliding rod 704, one sides of inner walls of the two hollow rods 702 far from each other are respectively connected with the ball screw 703 through bearings in a rotating manner, the outer surface of the ball screw 703 is screwed with the sliding rod 704, one end of the sliding rod 704 is fixedly connected with an arc clamping plate 705, the clamping assembly 7 includes a power member, the power member is a knob block 706, and one end of the ball screw 703 penetrates out of the hollow rod 702 and is fixedly connected with the knob block 706;

the working principle of the specific clamping assembly 7 for clamping and fixing the chuck main body 6 is as follows: after the through hole on the chuck main body 6 is aligned with the positioning rod 5 and inserted, the two knob blocks 706 are rotated to drive the two ball screws 703 to rotate, the two ball screws 703 drive the two slide bars 704 to move close to each other, and the two slide bars 704 drive the two arc clamping plates 705 to move close to each other until the two arc clamping plates 705 butt against and clamp the chuck main body 6 for fixing, so that the fixing of the chuck main body 6 is completed;

conversely, when the chuck body 6 is removed, the two knob blocks 706 are reversely rotated in the direction in which the knob blocks 706 were just rotated.

Embodiment III:

as shown in fig. 3 and fig. 4, on the basis of the second embodiment, the present embodiment further discloses that two sides of the outer surface of the chuck main body 6 are symmetrically and fixedly provided with limiting blocks 8, and a side, close to the chuck main body 6, of the arc clamping plate 705 is provided with a limiting groove 9 adapted to the limiting blocks 8;

after the through hole on the chuck main body 6 is aligned with the positioning rod 5 and inserted, the limiting block 8 and the limiting groove 9 are at the same height, and the chuck main body 6 is rotated to enable the limiting block 8 and the limiting groove 9 to be communicated, so that the subsequent limiting block 8 can enter the limiting groove 9, the arc clamping plate 705 finally clamps and fastens the chuck main body 6 by rotating the two knob blocks 706, the limiting block 8 on the chuck main body 6 enters the limiting groove 9 on the arc clamping plate 705, and therefore the chuck main body 6 and the arc clamping plate 705 cannot slide up and down relatively, and the fixing effect of the arc clamping plate 705 on the chuck main body 6 is better.

Embodiment four:

as shown in fig. 2 and fig. 3, on the basis of the third embodiment, the present embodiment further discloses that positioning blocks 11 are symmetrically and fixedly installed on two sides of the outer surface of the positioning rod 5, and positioning grooves 10 are symmetrically formed on two sides of the inner wall of the through hole;

when the through hole on the chuck main body 6 is aligned with the positioning rod 5, the positioning block 11 is also aligned with the positioning groove 10, and the equal height and the communication between the limiting block 8 and the limiting groove 9 are ensured at the moment, so that the trouble that the chuck main body 6 is required to be rotated to adjust the communication between the limiting block 8 and the limiting groove 9 is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lock chuck structure of screw machine, includes support (1), support (1) one side is equipped with hydraulic stem (2), the bottom fixedly connected with mounting panel (3) of hydraulic stem (2), be equipped with micromotor (4) on mounting panel (3), its characterized in that still includes:

the output shaft of the miniature motor (4) is fixedly connected with the positioning rod (5);

the chuck comprises a chuck main body (6), wherein a through hole matched with a positioning rod (5) is formed in the top end of the chuck main body (6);

clamping assembly (7), clamping assembly (7) are fixed with to locating lever (5) bilateral symmetry, clamping assembly (7) are including two arc splint (705) that are close to each other or keep away from the removal, and clamp fixing to chuck main part (6) of equidimension type not.

2. The chuck structure of a screw locking machine according to claim 1, wherein: the clamping assembly (7) comprises a supporting piece, the supporting piece comprises a supporting plate (701) and a hollow rod (702), the supporting plate (701) is symmetrically and fixedly installed above two sides of the positioning rod (5), the supporting plate (701) is L-shaped and is provided with a horizontal part and a vertical part, the hollow rod (702) is fixedly penetrated through the vertical parts of the supporting plate (701), and two hollow rods (702) are mutually close to one ends and are all provided with openings.

3. The chuck structure of a screw locking machine according to claim 2, wherein: the clamping assembly (7) comprises a transmission part, the transmission part comprises a ball screw (703) and a slide rod (704), the two inner walls of the hollow rod (702) are far away from each other and are respectively connected with the ball screw (703) through bearings in a rotating mode, the outer surface of the ball screw (703) is spirally screwed with the slide rod (704), and one end of the slide rod (704) is fixedly connected with an arc clamping plate (705).

4. A chuck structure of a screw locking machine according to claim 3, wherein: the clamping assembly (7) comprises a power piece, the power piece is a knob block (706), and one end of the ball screw (703) penetrates through the hollow rod (702) to be fixedly connected with the knob block (706).

5. The chuck structure of a screw locking machine according to claim 1, wherein: limiting blocks (8) are symmetrically and fixedly arranged on two sides of the outer surface of the chuck main body (6), and limiting grooves (9) matched with the limiting blocks (8) are formed in one side, close to the chuck main body (6), of the arc clamping plate (705).

6. The chuck structure of a screw locking machine according to claim 5, wherein: positioning blocks (11) are symmetrically and fixedly arranged on two sides of the outer surface of the positioning rod (5), and positioning grooves (10) are symmetrically formed on two sides of the inner wall of the through hole.