CN220387931U - Chuck cylinder rack synchronous driving structure - Google Patents

Abstract

The utility model discloses a chuck cylinder rack synchronous driving structure, which belongs to the field of four-jaw chucks and comprises a base, wherein a slewing bearing is arranged on the base and is connected with a chuck body, an air passage joint and an air passage module are arranged on the base, an air cylinder is arranged on the chuck body, a rack is arranged on the air cylinder, a slide block assembly is arranged on the rack, a jaw is arranged on the slide block assembly, a chute is arranged between the rack and the slide block assembly, the side wall of the rack is connected with a rack slide block, a ball is arranged on the rack slide block, the ball is movably arranged in the chute, the bottom ends of the racks are connected through a synchronous gear ring, and two groups of symmetrical racks are connected through the synchronous gear ring. According to the utility model, each pair of cylinders simultaneously pushes the rack module, the rack module drives the synchronous gear ring to move, the rack module is provided with the idler wheels, each idler wheel corresponds to each slide block chute and drives the slide block assembly to move, and the clamping jaws are arranged above the slide block assembly and realize synchronous clamping of the opposite clamping jaws.

Description

Chuck cylinder rack synchronous driving structure

Technical Field

The utility model relates to the field of four-jaw chucks, in particular to a driving structure for synchronous driving of cylinders and racks of chucks.

Background

The four-jaw single-action chuck is a manual four-jaw single-action chuck for machine tools, and consists of a disk body, four screw rods and a pair of jaws. During working, four lead screws are used for driving four claws respectively, so that the common four-claw single-action chuck has no self-centering function. The four-jaw self-centering chuck has two types of jaws, and has an integral jaw and a separation jaw. The integral claw is a claw integrating a base claw and a top claw, and a pair of integral claws is divided into four positive claws and four negative claws. The pair of separating claws only has four claws, each claw is composed of a base claw and a top claw, and the functions of the positive claw and the negative claw are achieved through the transformation of the top claw. In addition, the soft claw can be provided according to the requirement of a user, and higher centering precision can be obtained after random matching (grinding) so as to meet the clamping requirement.

As is well known, a special cutting machine is used in the application of the laser pipe cutting machine, which is called as a stretch-cut type laser pipe cutting machine in the industry, the laser cutting work can be completed only by using one chuck, and the chuck structure adopts a single-action type and shaft clamping type, so that only round pipes and square pipes can be processed, flat pipes or non-closed size workpieces can not be processed, and the limitation of the processing range can not meet the high-speed development of the market.

Disclosure of Invention

In view of the problems of the prior art, an object of the present utility model is to provide a driving structure for synchronizing racks of chuck cylinders, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a synchronous drive structure of chuck cylinder rack, includes the base, the base on be equipped with slewing bearing, slewing bearing and chuck body coupling are equipped with gas circuit joint and gas circuit module on the base, be equipped with the cylinder on the chuck body, be equipped with the rack on the cylinder, be equipped with the slider subassembly on the rack, be equipped with the jack catch on the slider subassembly, be equipped with the chute on the rack between the slider subassembly, rack lateral wall and rack slider are connected, be equipped with the ball on the rack slider, ball movable mounting is in the chute, the rack bottom is connected through synchronous ring gear, two sets of racks of symmetry are through synchronous ring gear interconnect.

The utility model further provides the following scheme: the first cylinder gear module 11 and the third cylinder rack module 13 realize synchronous transmission with the first synchronous gear ring 16, and the second cylinder rack module 12 and the fourth cylinder rack module 13 realize synchronous transmission with the second synchronous gear ring 15.

As a further scheme of the utility model: the rack 10, the slide block component and the rack slide block are the cylinder rack module 3.

As a further scheme of the utility model: the cylinder 2, the cylinder rack module 3 and the claw 4 are all provided with four groups.

As a further scheme of the utility model: the cylinder 2, the cylinder rack 10, the chute 9 and the claw 4 are all provided with four groups.

Compared with the prior art; the beneficial effects of the utility model are as follows: the utility model solves the problem that the mechanism and the processing range of the internal transmission precision of the laser power chuck are compatible at the same time. Four cylinders are placed in a limited space to serve as a power source, a rotary bearing is mounted on a base, an air circuit module is mounted on the base, the rotary bearing is connected with a chuck body, an air circuit structure provides an air source for the chuck, air enters the cylinders, the cylinders push pistons to move, and rack modules are mounted on the pistons. Every pair of cylinder of opposition promotes the rack module simultaneously, and the rack module drives synchronous ring gear motion, installs the gyro wheel on the rack module, and every gyro wheel corresponds every slider chute, drives the slider subassembly motion, and the jack catch is installed to slider subassembly top, and synchronous centre gripping is realized to the jack catch of opposition. The cylinder rack module and the synchronous gear ring move synchronously in pairs, so that the opposite-face sliding blocks synchronously move, clamping jaws synchronously clamp, the clamping precision of the chuck is improved by gear transmission, the workpiece is clamped more stably, the self-centering precision of laser power is improved, and the precision of laser cutting is improved. The size compatibility of the processed incoming materials of the laser pipe cutting machine is improved. The transmission rack structure improves the mechanical transmission precision, so that the precision is higher and more stable when clamping the clamping jaws in pairs.

Drawings

Fig. 1 is a schematic structural view of a driving structure for chuck cylinder rack synchronization.

Fig. 2 is a schematic installation view of a cylinder rack module in a chuck cylinder rack synchronous driving structure. .

Fig. 3 is a schematic diagram of the installation of the jaws in a chuck cylinder rack synchronized drive configuration.

In the figure: 1. a base; 2. a cylinder; 3. a cylinder rack module; 4. a claw; 5. a slewing bearing; 6. the gas circuit joint; 7. the air circuit module; 8. a chuck body; 9. a chute; 10. a rack; 11. a first cylinder rack module; 12. the second cylinder rack module; 13. a third cylinder rack module; 14. a fourth cylinder rack module; 15. a second synchronous ring gear; 16. a first synchronous ring gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "provided," "connected," and "connected" are to be construed broadly; for example, the connection may be fixed connection, detachable connection, or integral connection, mechanical connection, electrical connection, direct connection, indirect connection via an intermediate medium, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, a chuck cylinder rack synchronous driving structure comprises a base 1, wherein a rotary bearing 5 is arranged on the base 1, the rotary bearing 5 is connected with a chuck body 8, an air passage joint 6 and an air passage module 7 are arranged on the base 1, a cylinder 2 is arranged on the chuck body 8, a rack 10 is arranged on the cylinder 2, a slide block component is arranged on the rack 10, a claw 4 is arranged on the slide block component, a chute 9 is arranged between the rack 10 and the slide block component, the side wall of the rack 10 is connected with the slide block of the rack, a ball is arranged on the slide block of the rack, the ball is movably arranged in the chute 9, the bottom ends of the racks 10 are connected through synchronous gear rings, and two groups of symmetrical racks 10 are connected through the synchronous gear rings, so that synchronous movement of the corresponding two groups of slide blocks and the claw 4 is ensured. Realize the synchronous centre gripping of jack catch, gear drive has improved the centre gripping precision of chuck.

The cylinder rack module includes a first cylinder gear module 11, a second cylinder rack module 12, a third cylinder rack module 13, and a fourth cylinder rack module 14.

The first cylinder gear module 11 and the third cylinder rack module 13 realize synchronous transmission with the first synchronous gear ring 16, and the second cylinder rack module 12 and the fourth cylinder rack module 14 realize synchronous transmission with the second synchronous gear ring 15.

The first, third, second and fourth cylinder rack modules 11, 13, 12 and 14 each include a rack 10, a slider assembly and a rack slider.

The cylinder 2, the cylinder rack module and the claw 4 are all provided with four groups.

The cylinder 2, the cylinder rack 10, the chute 9 and the claw 4 are all provided with four groups.

The utility model solves the problem that the mechanism and the processing range of the internal transmission precision of the laser power chuck are compatible at the same time. Four cylinders are placed in a limited space to serve as a power source, a rotary bearing is mounted on a base, an air circuit module is mounted on the base, the rotary bearing is connected with a chuck body, an air circuit structure provides an air source for the chuck, air enters the cylinders, the cylinders push pistons to move, and rack modules are mounted on the pistons. Every pair of cylinder of opposition promotes the rack module simultaneously, and the rack module drives synchronous ring gear motion, installs the gyro wheel on the rack module, and every gyro wheel corresponds every slider chute, drives the slider subassembly motion, and the jack catch is installed to slider subassembly top, and synchronous centre gripping is realized to the jack catch of opposition. The cylinder rack module and the synchronous gear ring move synchronously in pairs, so that the opposite-face sliding blocks synchronously move, clamping jaws synchronously clamp, the clamping precision of the chuck is improved by gear transmission, the workpiece is clamped more stably, the self-centering precision of laser power is improved, and the precision of laser cutting is improved. The size compatibility of the processed incoming materials of the laser pipe cutting machine is improved. The transmission rack structure improves the mechanical transmission precision, so that the precision is higher and more stable when clamping the clamping jaws in pairs.

The utility model solves the problem that the mechanism and the processing range of the internal transmission precision of the laser power chuck are compatible at the same time. Four cylinders are placed in a limited space to serve as a power source, a rotary bearing is mounted on a base, an air circuit module is mounted on the base, the rotary bearing is connected with a chuck body, an air circuit structure provides an air source for the chuck, air enters the cylinders, the cylinders push pistons to move, and rack modules are mounted on the pistons. Every pair of cylinder of opposition promotes the rack module simultaneously, and the rack module drives synchronous ring gear motion, installs the gyro wheel on the rack module, and every gyro wheel corresponds every slider chute, drives the slider subassembly motion, and the jack catch is installed to slider subassembly top, and synchronous centre gripping is realized to the jack catch of opposition. The cylinder rack module and the synchronous gear ring move synchronously in pairs, so that the opposite-face sliding blocks synchronously move, clamping jaws synchronously clamp, the clamping precision of the chuck is improved by gear transmission, the workpiece is clamped more stably, the self-centering precision of laser power is improved, and the precision of laser cutting is improved. The size compatibility of the processed incoming materials of the laser pipe cutting machine is improved. The transmission rack structure improves the mechanical transmission precision, so that the precision is higher and more stable when clamping the clamping jaws in pairs.

Compared with the prior art, the chuck structure of the traditional stretch-cutting type laser pipe cutting machine adopts a single-acting type and a shaft clamping type, only round pipes and square pipes can be processed, flat pipes or non-closed size workpieces cannot be processed, and the limitation of the processing range cannot meet the high-speed development of the market.

Because of innovation of the product structure, the four-cylinder structure is placed in a limited space, the precise gear is adopted for synchronous transmission, the high-precision guide rail is adopted for guiding in a straight line, and the compatibility of incoming material processing is improved. The four-cylinder precise transmission mechanism designed by the department overcomes the technical difficulty, improves the clamping precision while improving the processing range, effectively improves the processing precision and the processing range compatibility of the laser pipe cutting machine, and brings social benefits for high-speed and high-precision processing.

As would be apparent to one skilled in the art; it is obvious that the utility model is not limited to the details of the above-described exemplary embodiments; and without departing from the spirit or essential characteristics of the utility model; the utility model can be embodied in other specific forms. Thus, the method comprises the steps of; from either point of view; the embodiments should be considered as exemplary; and is non-limiting; the scope of the utility model is indicated by the appended claims rather than by the foregoing description; it is therefore intended to include within the utility model all changes that fall within the meaning and range of equivalency of the claims. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it is provided that; it should be understood that; although the present description describes embodiments; but not every embodiment contains only one independent technical solution; this manner of description is for clarity only; the skilled artisan should recognize the specification as a whole; the technical solutions in the embodiments may also be combined appropriately; forming other embodiments as will be appreciated by those skilled in the art.

Claims (2)

1. The utility model provides a synchronous drive structure of chuck cylinder rack, includes base (1), its characterized in that, base (1) on be equipped with swivel bearing (5), swivel bearing (5) are connected with chuck body (8), be equipped with gas circuit joint (6) and gas circuit module (7) on base (1), be equipped with cylinder (2) on chuck body (8), be equipped with rack (10) on cylinder (2), be equipped with the slider subassembly on rack (10), be equipped with jack catch (4) on the slider subassembly, be equipped with chute (9) on rack (10) and between the slider subassembly, rack (10) lateral wall and rack slider are connected, be equipped with the gyro wheel on the rack slider, gyro wheel movable mounting is in chute (9), rack (10) bottom is through synchronous gear ring connection, two sets of racks (10) of symmetrical are through synchronous gear ring interconnect.

2. The chuck cylinder rack synchronous driving structure according to claim 1, wherein four groups of cylinders (2), cylinder racks (10), chute (9) and jaws (4) are provided.