CN113146025A

CN113146025A - Chuck for laser cutting of multiunit subtend control

Info

Publication number: CN113146025A
Application number: CN202110555925.2A
Authority: CN
Inventors: 曹嘉泽; 周志忠; 张成梁
Original assignee: Ruika Changzhou Technology Co ltd
Current assignee: Ruika Changzhou Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-07-23

Abstract

The invention provides a multi-group oppositely controlled chuck for laser cutting, which relates to the technical field of chucks and comprises a fixed seat and two groups of linkage mechanisms positioned above the fixed seat, wherein the center of the top of the fixed seat is provided with a center post, the outer wall of the center post is provided with a fixed plate, the top of the center post is fixedly provided with a closed plate, the linkage mechanisms comprise center toothed rings movably arranged on the outer wall of the center post and positioned above the fixed plate, the multi-group oppositely controlled chuck for laser cutting is controlled by a driving piece to stretch and control a rack to move, so that clamping claws are controlled to translate on the top of the closed plate, clamping of workpieces at the middle side of the chuck is realized, meanwhile, the number of the linkage mechanisms is two groups and can be independently controlled, polygonal workpieces can be conveniently clamped, the clamping range of the workpieces is improved, the clamping stability is also improved, and the practicability is good, the problem of current chuck clamping polygon work piece unstable is solved.

Description

Chuck for laser cutting of multiunit subtend control

Technical Field

The invention relates to the technical field of chucks, in particular to a multi-group chuck for laser cutting, which is controlled oppositely.

Background

Chucks are mechanical devices used to clamp workpieces on machine tools. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck generally comprises a chuck body, movable jaws and a jaw driving mechanism 3. The diameter of the chuck body is 65 mm at least and can reach 1500 mm at most, and a through hole is formed in the center of the chuck body so as to facilitate the workpiece or bar stock to pass through; the back part is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of the machine tool directly or through a flange plate. Chucks are commonly used in lathes, cylindrical grinders and internal grinders, and may also be used in conjunction with various indexing devices for milling and drilling machines. The workpiece needs to be fixed by the clamping plate in the laser cutting process, the clamping jaws of the existing clamping plate move simultaneously, so that the workpiece with multiple edges is inconvenient to clamp, the clamping effect is poor, and the processing quality is easily influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multi-group chuck for laser cutting, which is controlled in opposite directions and solves the problems that clamping jaws of the existing chuck move simultaneously, a multi-edge workpiece is inconvenient to clamp, the clamping effect is poor, and the processing quality is easily influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a multi-group opposite control chuck for laser cutting comprises a fixed seat and two groups of linkage mechanisms positioned above the fixed seat, wherein a central column is arranged at the center of the top of the fixed seat, a fixed plate is arranged on the outer wall of the central column, a sealing plate is fixed at the top of the central column, each linkage mechanism comprises a central toothed ring which is movably arranged on the outer wall of the central column and positioned above the fixed plate, a linkage bottom gear and a driving top gear are meshed with the outer wall of the central toothed ring, the top of the linkage bottom gear is movably connected with the linkage top gear, the linkage top gear and the driving top gear are both movably arranged on the top of the sealing plate, a clamping jaw meshed with the linkage top gear is slidably arranged at the top of the sealing plate, a chute matched with the clamping jaw is formed in the top of the sealing plate, the driving bottom of the driving top gear and the lower part of the fixed plate are movably provided with the driving bottom gear through a rod piece, the lateral wall of drive bottom gear has the rack meshing, and the one end of rack is connected with the driving piece, the driving piece passes through the bolt fastening in the bottom of fixed plate.

Further, the jack catch includes the slider with closing plate sliding contact, and one side of slider set up with linkage top gear meshing's tooth's socket, the top of slider is fixed with the extrusion piece of level "C" shape, and the opening part movable mounting of extrusion piece has movable clamping bar, and movable clamping bar outer wall cover is equipped with the rubber tube, can avoid the centre gripping in-process to produce the destruction to the work piece, is close to the work piece through the jack catch translation on the closing plate, and movable clamping bar contradicts the work piece, can realize the centre gripping operation of work piece, and movable clamping bar is rotatable simultaneously, effectively avoids the wearing and tearing problem that the centre gripping in-process caused the work piece, and double-deck movable clamping bar is provided with the clamping effect that helps improving the work piece.

Furthermore, the number of the extrusion blocks at the top of the sliding block is two, and the extrusion blocks are vertically stacked, so that the clamping effect is favorably improved.

Further, the kerve has been seted up to the bottom of slider, and is equipped with the spacing strip rather than the looks adaptation in the kerve, spacing strip is installed in the top of spout the side, and spacing strip and slider sliding contact do benefit to the translational stability who improves the jack catch.

Furthermore, the linkage mechanism comprises two groups of linkage mechanisms which are independently controlled, and stable clamping of the polygonal workpiece is facilitated through the plurality of groups of linkage mechanisms.

Further, the central gear rings are longitudinally overlapped on the outer wall of the central column.

Furthermore, the bottom of the fixed plate and the side, far away from the driving bottom gear, of the rack are movably provided with a limiting wheel, the limiting wheel can prevent the rack from moving to the side, far away from the driving bottom gear, and the linkage effect of the rack on the driving bottom gear is improved.

Further, the outer wall of fixing base is fixed with the mount pad, and the mount pad is including being fixed in the collar of fixing base outer wall, and the lateral wall of collar is fixed with rather than the vertically mounting panel, and the inside groove with fixing base looks adaptation is seted up to the inside of collar, does benefit to through the mount pad and is fixed in this chuck on the processing equipment of work piece, improves the convenience that this chuck is fixed, is equipped with the inside groove with fixing base looks adaptation in the collar simultaneously, has increased area of contact between them, does benefit to and improves fixed stability.

Furthermore, the driving part is an air cylinder, and the driving part drives the rack to move through the expansion and contraction of the air cylinder.

Furthermore, a surrounding cylinder is arranged between the fixed plate and the closing plate, so that the linkage mechanism can be effectively protected.

(III) advantageous effects

The invention provides a multi-group chuck for laser cutting controlled in opposite directions. The method has the following beneficial effects:

1. this chuck for laser cutting of multiunit opposite direction control moves through the flexible control rack of driving piece, can drive bottom gear, drive top gear, central ring gear, the rotation of linkage bottom gear and linkage top gear to the control jack catch is at the top translation of closing plate, the realization is got the clamp of side work piece in the chuck, simultaneously link gear's quantity has two sets of and can be controlled alone, be convenient for carry out the centre gripping to the polygon work piece, improve work piece clamping scope, the stability of clamping has also been improved, and the practicality is good.

2. This chuck for laser cutting of multiunit subtend control is close to the work piece through the translation of jack catch on the closing plate, and the work piece is contradicted to the activity clamping bar, can realize the centre gripping operation of work piece, and the activity clamping bar is rotatable simultaneously, effectively avoids the wearing and tearing problem that the centre gripping in-process led to the fact the work piece, and double-deck activity clamping bar is provided with the clamping effect that helps improving the work piece.

3. This chuck for laser cutting of multiunit subtend control does benefit to through the mount pad and is fixed in the processing equipment of work piece with this chuck on, improves the convenience that this chuck is fixed, the while intra-annular be equipped with the inside groove of mount pad looks adaptation, increased area of contact between them, do benefit to and improve fixed stability.

4. This chuck for laser cutting of multiunit subtend control sets up rather than rolling contact's spacing wheel through keeping away from the one side of drive bottom gear at the rack, can guarantee rack and the stability of drive bottom gear meshing, improves the centre gripping effect of this chuck to the work piece.

Drawings

FIG. 1 is a schematic view of a linkage mechanism of the present invention.

Fig. 2 is a schematic structural view of the inner side of the enclosure of the present invention.

Fig. 3 is a schematic view of the appearance structure of the present invention.

Fig. 4 is a schematic structural view of the jaw of the present invention.

Fig. 5 is a schematic structural diagram of the mounting base of the present invention.

In the figure: 1. a fixed seat; 2. a central column; 3. a fixing plate; 4. a closing plate; 5. a central gear ring; 6. a linkage bottom gear; 7. a drive top gear; 8. a linked top gear; 9. a claw; 91. a slider; 92. extruding the block; 93. a movable clamping rod; 10. a drive bottom gear; 11. a rack; 12. a drive member; 13. a chute; 14. a limiting strip; 15. a mounting seat; 151. a mounting ring; 152. mounting a plate; 16. a limiting wheel; 17. and (4) enclosing a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a multi-group oppositely controlled chuck for laser cutting, as shown in figures 1-5, the chuck comprises a fixed seat 1 and two groups of linkage mechanisms positioned above the fixed seat, the chuck is in a cylindrical shape integrally, the axis is hollow, the linkage mechanisms comprise but are not limited to two groups, stable clamping of a polygonal workpiece is facilitated through the multi-group independently controlled linkage mechanisms, a central column 2 is installed at the center of the top of the fixed seat 1, a fixing plate 3 is installed on the outer wall of the central column 2, a closing plate 4 is fixed at the top of the central column 2, a surrounding cylinder 17 is installed between the fixing plate 3 and the closing plate 4, the linkage mechanisms can effectively protect the linkage mechanisms, each linkage mechanism comprises a central toothed ring 5 movably installed on the outer wall of the central column 2 and positioned above the fixing plate 3, the central toothed rings 5 are longitudinally overlapped on the outer wall of the central column 2, a linkage bottom gear 6 and a driving top gear 7 are meshed with the outer wall of the central toothed ring 5, the top of the linkage bottom gear 6 is movably connected with a linkage top gear 8, the linkage top gear 8 and the driving top gear 7 are movably arranged at the top of the closing plate 4, a clamping jaw 9 meshed with the linkage top gear 8 is slidably arranged at the top of the closing plate 4, a sliding chute 13 matched with the clamping jaw 9 is formed in the top of the closing plate 4, a driving bottom gear 10 is movably arranged at the bottom of the driving top gear 7 and below the fixing plate 3 through a rod piece, a rack 11 is meshed with the side wall of the driving bottom gear 10, a limiting wheel 16 is movably arranged at the bottom of the fixing plate 3 and at one side of the rack 11 far away from the driving bottom gear 10, the limiting wheel 16 can prevent the rack 11 from moving to one side far away from the driving bottom gear 10, the linkage effect of the rack 11 on the driving bottom gear 10 is improved, one end of the rack 11 is connected with a driving piece 12, the driving piece 12 is an air cylinder, and drives the rack 11 to move through the expansion and contraction of the air cylinder, the driving piece 12 is fixed at the bottom of the fixed plate 3 through bolts, the rack 11 is controlled to move through the expansion of the driving piece 12, the driving bottom gear 10, the driving top gear 7, the central toothed ring 5, the linkage bottom gear 6 and the linkage top gear 8 can be driven to rotate, so that the jaws 9 are controlled to translate at the top of the closed plate 4, clamping of side workpieces in the chuck is realized, meanwhile, two groups of linkage mechanisms can be controlled independently, polygonal workpieces can be clamped conveniently, the workpiece clamping range is improved, the clamping stability is also improved, the practicability is good, the jaws 9 comprise sliding blocks 91 in sliding contact with the closed plate 4, two extrusion blocks 92 at the top of the sliding blocks 91 are arranged in a vertically overlapped mode, the clamping effect is improved, tooth grooves meshed with the linkage top gear 8 are formed in one side of the sliding blocks 91, the horizontal C-shaped extrusion blocks 92 are fixed at the top of the sliding blocks 91, and the opening of the extrusion block 92 is movably provided with a movable clamping rod 93, the outer wall of the movable clamping rod 93 is sleeved with a rubber cylinder, which can avoid the damage to the workpiece in the clamping process, the clamping jaw 9 is translated on the closing plate 4 to be close to the workpiece, the movable clamping rod 93 is abutted against the workpiece, so that the clamping operation of the workpiece can be realized, meanwhile, the movable clamping rod 93 can rotate, so that the abrasion problem to the workpiece in the clamping process can be effectively avoided, the arrangement of the double-layer movable clamping rod 93 is helpful for improving the clamping effect of the workpiece, the bottom of the sliding block 91 is provided with a bottom groove, a limit strip 14 matched with the bottom groove is arranged in the bottom groove, the limit strip 14 is arranged at the middle side of the top of the sliding groove 13, the limit strip 14 is in sliding contact with the sliding block 91, so that the translation stability of the clamping jaw 9 can be improved, the outer wall of the fixed with the mounting seat 15, the mounting seat 15 comprises a mounting ring 151 fixed on the outer wall of the fixing seat 1, and the side wall of the mounting ring 151 is fixed with a mounting plate 152 perpendicular thereto, the inside of collar 151 is seted up with the inside groove of fixing base 1 looks adaptation, does benefit to through mount pad 15 and is fixed in the processing equipment of work piece with this chuck on, improves the fixed convenience of this chuck, is equipped with the inside groove with fixing base 1 looks adaptation in the collar 151 simultaneously, has increased area of contact between them, does benefit to and improves fixed stability.

The working principle is as follows: during the use, driving piece 12 flexible control rack 11 removes, can drive bottom gear 10, drive top gear 7, central ring gear 5, the rotation of linkage bottom gear 6 and linkage top gear 8, thereby control jack catch 9 is at the top translation of closing plate 4, movable clamping bar 93 contradicts the work piece, can realize the centre gripping operation of work piece, movable clamping bar 93 is rotatable simultaneously, effectively avoid the wearing and tearing problem that causes the work piece in the clamping process, being provided with of double-deck movable clamping bar 93 helps improving the clamping effect of work piece, the quantity of link gear has two sets ofly and can controlling alone, be convenient for carry out the centre gripping to the polygon work piece, improve the work piece clamping scope, the stability of clamping has also been improved, and the practicality is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The chuck for the laser cutting of the multiple groups of opposite control is characterized by comprising a fixing seat (1) and two groups of linkage mechanisms positioned above the fixing seat, wherein a central column (2) is installed at the center of the top of the fixing seat (1), a fixing plate (3) is installed on the outer wall of the central column (2), a sealing plate (4) is fixed at the top of the central column (2), each linkage mechanism comprises a central toothed ring (5) which is movably installed on the outer wall of the central column (2) and positioned above the fixing plate (3), a linkage bottom gear (6) and a driving top gear (7) are meshed with the outer wall of the central toothed ring (5), the top of the linkage bottom gear (6) is movably connected with a linkage top gear (8), the linkage top gear (8) and the driving top gear (7) are both movably installed at the top of the sealing plate (4), a clamping jaw (9) meshed with the linkage top gear (8) is slidably installed at the top of the sealing plate (4), the top of closing plate (4) is seted up spout (13) with jack catch (9) looks adaptation, there is drive bottom gear (10) bottom the drive top gear (7) and the below that is located fixed plate (3) through pole piece movable mounting, the lateral wall meshing of drive bottom gear (10) has rack (11), and the one end of rack (11) is connected with driving piece (12), driving piece (12) are through the bottom of bolt fastening in fixed plate (3).

2. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: the jaw (9) comprises a sliding block (91) in sliding contact with the closing plate (4), a tooth groove meshed with the linkage top gear (8) is formed in one side of the sliding block (91), a horizontal C-shaped extrusion block (92) is fixed to the top of the sliding block (91), and a movable clamping rod (93) is movably mounted at an opening of the extrusion block (92).

3. The chuck for multiple-unit opposed control laser dicing according to claim 2, characterized in that: the number of the extrusion blocks (92) at the top of the sliding block (91) is two, and the extrusion blocks are longitudinally overlapped.

4. The chuck for multiple-unit opposed control laser dicing according to claim 2, characterized in that: the bottom groove is formed in the bottom of the sliding block (91), a limiting strip (14) matched with the sliding block is arranged in the bottom groove, and the limiting strip (14) is installed on the middle side of the top of the sliding groove (13).

5. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: the linkages include, and are not limited to, two sets.

6. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: the central toothed rings (5) are longitudinally overlapped on the outer wall of the central column (2).

7. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: and a limiting wheel (16) is movably arranged at the bottom of the fixed plate (3) and at one side of the rack (11) far away from the driving bottom gear (10).

8. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: the outer wall of the fixing seat (1) is fixed with a mounting seat (15), the mounting seat (15) comprises a mounting ring (151) fixed on the outer wall of the fixing seat (1), a mounting plate (152) perpendicular to the mounting ring (151) is fixed on the side wall of the mounting ring (151), and an inner groove matched with the fixing seat (1) is formed in the mounting ring (151).

9. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: the driving piece (12) is a cylinder.

10. The chuck for multiple-unit opposed control laser cutting according to claim 1, wherein: and a surrounding cylinder (17) is arranged between the fixed plate (3) and the closing plate (4).