CN221494256U - Clamping jaw extension assembly for chuck - Google Patents

Abstract

The utility model discloses a clamping jaw extension assembly for a chuck, and relates to the technical field of chucks. Including operation platform, fixture and joint mechanism are installed at operation platform's top, fixture includes first slide rail, first slide rail fixed connection is in operation platform's top centre, first slide rail is vertical the placing, the top one end fixedly connected with cylinder of first slide rail, the output fixedly connected with first slider of cylinder. According to the utility model, the first sliding block is driven to slide on the first sliding rail through the operation of the air cylinder, the connecting arm rotationally connected with the first sliding block is driven to open and close through the movement of the first sliding block, the second sliding block rotationally connected with the connecting arm is driven to slide on the second sliding rail through the opening and closing of the connecting arm, and the interval between the clamping plates fixedly connected with the top ends of the second sliding blocks is adjusted through the interval between the second sliding blocks, so that parts with different sizes are processed and fixed, and the actual production requirements are met.

Description

Clamping jaw extension assembly for chuck

Technical Field

The utility model relates to the technical field of chucks, in particular to a jaw extension assembly for a chuck.

Background

The chuck is a mechanical device on a machine tool for clamping a workpiece. The workpiece is clamped and positioned by the radial movement of the movable claws uniformly distributed on the chuck body. The chuck is generally composed of a chuck body, movable jaws and a jaw drive mechanism 3. The minimum diameter of the chuck body is 65 mm, the maximum diameter can reach 1500 mm, and a through hole is formed in the center so as to pass through a workpiece or a bar stock; the back part is provided with a cylindrical or short conical structure, is connected with the end part of the main shaft of the machine tool directly or through a flange plate. The chuck is usually mounted on lathes, cylindrical grinding machines and internal grinding machines, and can also be matched with various indexing devices for use on milling machines and drilling machines.

A machine chuck of publication No. CN205057096U, which in use exposes the following drawbacks:

In the actual production of the machine industry, non-standard parts are often processed, the sizes of the non-standard parts, in the prior art, the caliber range value of a chuck on a general machine tool is fixed, so that the size of a workpiece clamped by the chuck has a certain limitation, once the upper limit allowed by the chuck is exceeded, the chuck cannot be clamped, and only other suitable machine tools can be replaced for processing, so that a clamping jaw extension assembly for the chuck with adjustable size is urgently needed to adapt to the actual production requirements.

Disclosure of utility model

The utility model aims to provide a jaw extension assembly for a chuck, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a jack catch extension subassembly for chuck, includes operation platform, fixture and joint mechanism are installed at operation platform's top, fixture includes first slide rail, first slide rail fixed connection is in operation platform's top centre, first slide rail is vertical the placing, the top one end fixedly connected with cylinder of first slide rail, the output fixedly connected with first slider of cylinder, first slider with first slide rail looks adaptation, operation platform's middle fixedly connected with second slide rail, the second slide rail is transversely placed, second slide rail and first slide rail looks are perpendicular, the both ends sliding connection of second slide rail has the second slider of looks adaptation, two the equal fixedly connected with grip block in top of second slide rail, the top both ends of first slide rail are the rotation respectively and are connected with the linking arm, two the linking arm is kept away from the one end of first slide is respectively with two the bottom of second slide rail rotates to be connected.

Preferably, the control mechanism is arranged outside the operation platform and comprises a controller and a power supply box, the controller and the power supply box are respectively and fixedly connected with two ends of one side of the outer wall of the operation platform, and one side of the power supply box is electrically connected with a plug.

Preferably, the bottom of operation platform installs fixed establishment, fixed establishment includes the joint piece, joint piece fixed connection is in operation platform's bottom, the joint piece is horizontal "concave" iron plate.

Preferably, the inside of joint piece is provided with the fixed plate, fixedly connected with bearing in the middle of the bottom of fixed plate, threaded connection has the screw thread post in the middle of the bottom of joint piece.

Preferably, the top end of the outer wall of the threaded column is fixed with the inner wall of the inner ring of the bearing, and the bottom end of the outer wall of the threaded column is fixedly connected with a rotary turntable.

Preferably, the clamping mechanism comprises a plugging groove, the plugging grooves are provided with a plurality of and are respectively and uniformly formed in the tops of two opposite sides of the inside of the operation platform, each plugging groove is internally provided with a magnet, the operation platform is adsorbed with a plugging column through the magnet, the plugging columns are matched with the plugging grooves, and the plugging columns on the same side are far away from one end of the plugging groove and are fixedly connected with a plugging plate.

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

This jack catch extension subassembly for chuck drives first slider through the cylinder work and slides on first slide rail, moves the linking arm that drives and rotate with first slider and open and shut, drives the second slider that rotates to be connected with the linking arm through the linking arm and slide on the second slide rail, adjusts the interval between the grip block of second slider top fixed connection through the interval between the second slider to it is fixed to process the part of equidimension, thereby satisfies actual production needs.

Drawings

FIG. 1 is a schematic view of the axial side of a jaw extension assembly for a chuck in accordance with the present utility model;

FIG. 2 is a schematic structural view of a chuck jaw extension assembly securing mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the chuck jaw extension assembly control mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the chuck jaw extension assembly clamping mechanism of the present utility model;

Fig. 5 is a schematic structural view of a clamping mechanism of a jaw extension assembly for a chuck according to the present utility model.

In the figure: 1. an operating platform; 2. a control mechanism; 201. a first slide rail; 202. a cylinder; 203. a first slider; 204. a connecting arm; 205. a second slide rail; 206. a second slider; 207. a clamping plate; 3. a clamping mechanism; 301. a plug-in groove; 302. a plug board; 303. a plug-in column; 304. a magnet; 4. a control mechanism; 401. a controller; 402. a power box; 403. a plug; 5. a fixing mechanism; 501. a clamping block; 502. a threaded column; 503. a bearing; 504. a fixing plate; 505. the turntable is rotated.

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.

The chuck is a mechanical device on a machine tool for clamping a workpiece. The workpiece is clamped and positioned by the radial movement of the movable claws uniformly distributed on the chuck body. The chuck is generally composed of a chuck body, movable jaws and a jaw drive mechanism 3. The minimum diameter of the chuck body is 65 mm, the maximum diameter can reach 1500 mm, and a through hole is formed in the center so as to pass through a workpiece or a bar stock; the back part is provided with a cylindrical or short conical structure, is connected with the end part of the main shaft of the machine tool directly or through a flange plate. The chuck is usually arranged on a lathe, an external grinder and an internal grinder and can also be matched with various indexing devices for use on milling machines and drilling machines, the application drives the first slide block to slide on the first slide rail through the work of the air cylinder, drives the connecting arm rotationally connected with the first slide block to open and close through the movement of the first slide block, drives the second slide block rotationally connected with the connecting arm to slide on the second slide rail through the opening and closing of the connecting arm, and adjusts the interval between clamping plates fixedly connected with the top ends of the second slide blocks through the interval between the second slide blocks, thereby processing and fixing parts with different sizes, meeting the actual production needs, driving the fixing plate to move through the rotating threaded column, and fixing the device through the fixing plate and the clamping block.

As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a jack catch extension subassembly for chuck, including operation platform 1, fixture 2 and joint mechanism 3 are installed at operation platform 1's top, fixture 2 includes first slide rail 201, first slide rail 201 fixed connection is in the middle of operation platform 1's top, first slide rail 201 is vertical the placing, the top one end fixedly connected with cylinder 202 of first slide rail 201, the output fixedly connected with first slider 203 of cylinder 202, first slider 203 and first slide rail 201 looks adaptation, operation platform 1's middle fixedly connected with second slide rail 205, second slide rail 205 is transversely placed, second slide rail 205 is mutually perpendicular with first slide rail 201, the both ends sliding connection of second slide rail 205 has the second slider 206 of looks adaptation, the equal fixedly connected with grip block 207 in top of two second slider 206, the top both ends of first slider 203 rotate respectively and are connected with linking arm 204, the one end that two linking arms 204 kept away from first slider 203 respectively with the bottom of two second slider 206 rotates the connection, drive first slider 203 on first slide rail 201 through cylinder 202 work, drive first slider 203 and slide, through first slider 203 removal drive and first slider 203 and first slider 206 rotate the linking arm 204 and drive the second slider 204 through the second slider 204 that the second slider 206 rotates the linking arm 204 and open and close, thereby the distance between the second slider 206 is connected with the second slider 206 through the fixed connection of the diameter, thereby the fixed connection between the two pieces of the second slider 206 is realized, the fixed joint is realized through the second slider 206, the fixed joint between the diameter is realized.

The control mechanism 4 is arranged outside the operation platform 1, the control mechanism 4 comprises a controller 401 and a power supply box 402, the controller 401 and the power supply box 402 are respectively and fixedly connected to two ends of one side of the outer wall of the operation platform 1, and a plug 403 is electrically connected to one side of the power supply box 402.

The bottom of operation platform 1 installs fixed establishment 5, and fixed establishment 5 includes joint piece 501, and joint piece 501 fixed connection is in operation platform 1's bottom, and joint piece 501 is the "concave" iron plate of horizontal.

The inside of joint piece 501 is provided with fixed plate 504, and fixed plate 504's bottom intermediate fixedly connected with bearing 503, the intermediate screw thread of the bottom of joint piece 501 is connected with screw thread post 502.

The top end of the outer wall of the threaded column 502 is fixed with the inner wall of the inner ring of the bearing 503, the bottom end of the outer wall of the threaded column 502 is fixedly connected with a rotary turntable 505, the threaded column 502 is rotated to drive the fixing plate 504 to move, and the fixing plate 504 and the clamping block 501 are used for fixing the device.

The clamping mechanism 3 comprises inserting grooves 301, wherein the inserting grooves 301 are provided with a plurality of inserting columns and are respectively and uniformly arranged on the top ends of two sides of the opposite surfaces inside the operation platform 1, magnets 304 are arranged inside each inserting groove 301, the operation platform 1 adsorbs inserting columns 303 through the magnets 304, the inserting columns 303 are matched with the inserting grooves 301, and inserting columns 303 on the same side are fixedly connected with inserting plates 302 at one ends, far away from the inserting grooves 301.

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 hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims (6)

1. The utility model provides a jack catch extension subassembly for chuck, includes operation platform (1), its characterized in that: the utility model provides a clamping mechanism (2) and joint mechanism (3) are installed at the top of operation platform (1), clamping mechanism (2) are in including first slide rail (201), first slide rail (201) fixed connection is in the middle of the top of operation platform (1), first slide rail (201) are vertical to be placed, top one end fixedly connected with cylinder (202) of first slide rail (201), the output fixedly connected with first slider (203) of cylinder (202), first slider (203) with first slide rail (201) looks adaptation, the centre fixedly connected with second slide rail (205) of operation platform (1), second slide rail (205) are transversely placed, second slide rail (205) and first slide rail (201) are mutually perpendicular, the both ends sliding connection of second slide rail (205) have second slider (206) of looks adaptation, two the equal fixedly connected with grip block (207) in top of first slider (203) rotates linking arm (204) respectively, both ends of linking arm (204) are kept away from respectively to two the both ends of second slider (206).

2. The chuck jaw extension assembly of claim 1, wherein: the control mechanism (4) is arranged outside the operation platform (1), the control mechanism (4) comprises a controller (401) and a power supply box (402), the controller (401) and the power supply box (402) are respectively and fixedly connected to two ends of one side of the outer wall of the operation platform (1), and a plug (403) is electrically connected to one side of the power supply box (402).

3. The chuck jaw extension assembly of claim 1, wherein: the bottom of operation platform (1) is installed fixed establishment (5), fixed establishment (5) include joint piece (501), joint piece (501) fixed connection is in the bottom of operation platform (1), joint piece (501) are horizontal "concave" shape iron plate.

4. A chuck jaw extension assembly as in claim 3 wherein: the inside of joint piece (501) is provided with fixed plate (504), fixedly connected with bearing (503) in the middle of the bottom of fixed plate (504), threaded connection has screw thread post (502) in the middle of the bottom of joint piece (501).

5. The chuck jaw extension assembly of claim 4, wherein: the top end of the outer wall of the threaded column (502) is fixed with the inner wall of the inner ring of the bearing (503), and the bottom end of the outer wall of the threaded column (502) is fixedly connected with a rotary turntable (505).

6. The chuck jaw extension assembly of claim 1, wherein: the clamping mechanism (3) comprises a plug groove (301), the plug groove (301) is provided with a plurality of plug posts and is respectively and evenly arranged on the top ends of two opposite sides of the inner portion of the operation platform (1), each plug groove (301) is internally provided with a magnet (304), the operation platform (1) is adsorbed with a plug post (303) through the magnet (304), the plug posts (303) are matched with the plug groove (301), and the plug posts (303) on the same side are far away from one end of the plug groove (301) and are fixedly connected with a plug plate (302).