CN214721414U

CN214721414U - Rear chuck structure of positioning device for laser cutting

Info

Publication number: CN214721414U
Application number: CN202121096410.2U
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: 2021-11-16
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to an air chuck technical field, concretely relates to positioner's back chuck structure for laser cutting aims at solving among the prior art problem that back chuck structure is not compact, the action is inflexible, be difficult for the operation, which comprises a base, the base rotates through the bearing and is connected with the support body, the external connection of support body has slewing mechanism, and the tip that slewing mechanism one side was kept away from to the support body is opened has the spout that a plurality of symmetries set up, all be equipped with the jack catch that can follow its length direction displacement in the spout, the jack catch is connected in a drive transmission mechanism. The utility model discloses the during operation is moved by numerical control system control drive mechanism, makes the jack catch along spout length direction displacement, and the multiunit jack catch tightens up or the material loading unloading of scaling in order to realize the work piece promptly, moves by numerical control system control slewing mechanism moreover, makes the support body drive the work piece and carries out the rotation with its central axis, realizes laser cutting, whole process action is nimble, easily operation.

Description

Rear chuck structure of positioning device for laser cutting

Technical Field

The utility model relates to a pneumatic chuck technical field, concretely relates to positioner's rear chuck structure for laser cutting.

Background

In laser cutting, a workpiece is heated by a high-energy-density laser beam, the temperature of the workpiece is rapidly increased, the material reaches the boiling point of the material in a very short time, the material starts to vaporize to form steam, the steam is ejected at a high speed, and a notch is formed in the workpiece while the steam is ejected, so that the processing of the workpiece is completed.

When the pipeline needs to be positioned and clamped through the corresponding special fixture during laser cutting, the pipeline is prevented from being displaced during processing to affect the processing precision of the pipeline, particularly when a longer pipeline is cut, the pipeline after cutting needs to be secondarily clamped and positioned to be cut next time, the secondary clamping and positioning delay time for the workpiece is shortened, the clamping and positioning precision of the workpiece is reduced, and the processing efficiency of the workpiece is reduced. At present, a pneumatic chuck is usually selected for clamping, materials are clamped through a pair of front and rear chucks, the rear chuck plays the roles of clamping, supporting and forward feeding, the front chuck is arranged into a mode that a pipe material can penetrate through the front chuck in order to save tailings, and the pneumatic chuck designed by the clamping mode is compact in structure and saves the tailings.

However, the existing rear chuck has the defects of not compact structure, inflexible action and difficult operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a positioner's for laser cutting back chuck structure solves among the prior art problem that back chuck structure is not compact, the action is inflexible, be difficult for the operation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a positioner's back chuck structure for laser cutting, includes the base, the base rotates through the bearing and is connected with the support body, the external connection of support body has slewing mechanism, and the tip that slewing mechanism one side was kept away from to the support body opens the spout that has a plurality of symmetries to set up, all be equipped with the jack catch that can follow its length direction displacement in the spout, the jack catch is connected in a drive transmission mechanism.

Optionally, actuating drive mechanism is including wearing to locate the inside pneumatic hollow shaft of support body, the tip of pneumatic hollow shaft is inserted and is equipped with the telescopic link that can follow its length direction displacement, one side that pneumatic hollow shaft was kept away from to the telescopic link is equipped with the connecting block, be equipped with L type curved bar on the connecting block, the right angle portion and the connecting block swing joint of L type curved bar, the tip that L type curved bar is close to telescopic link one side is connected with the cover through the connecting rod and establishes the mounting bracket at pneumatic hollow shaft tip, the connecting rod is close to the tip swing joint of telescopic link one side with L type curved bar, the tip that telescopic link one side was kept away from to L type curved bar extends to the caulking groove of jack catch.

Optionally, an anti-falling block matched with the caulking groove is arranged at the end part of one side, away from the telescopic rod, of the L-shaped curved rod.

Optionally, the rotating mechanism comprises a driven gear fixedly connected with the frame body, the driven gear is meshed with a driving gear, the driving gear is connected with a driving motor, and the driving motor is installed on the base through a motor frame.

Optionally, a hanging ring is arranged on the base, and the hanging ring is located on a gravity center extension line of the rear chuck structure.

The utility model has the advantages that:

1. the utility model discloses a back chuck structure accomplishes overall structure's fixed mounting through base cooperation laser device, and the during operation is moved by numerical control system control drive mechanism, makes the jack catch along spout length direction displacement, and the multiunit jack catch tightens up or the material loading unloading of scaling in order to realize the work piece promptly, is controlled the slewing mechanism action by numerical control system moreover, makes the support body drive the work piece and carries out the rotation with its central axis, realizes laser cutting, and whole process moves in a flexible way, easily operates.

2. The utility model discloses a back chuck structure, with the air pump with pneumatic hollow shaft links to each other, and by the action of numerical control system control, thereby drive the telescopic link along pneumatic hollow shaft length direction displacement, and telescopic link and connecting block fixed connection, when the connecting block moves towards keeping away from pneumatic hollow shaft direction, L type curved bar regard connecting end of connecting block and L type curved bar as the base point rotation, make L type curved bar keep away from the tip of telescopic link one side and withstand the jack catch through the caulking groove, let the multiunit jack catch keep away from in opposite directions along spout length direction, realize the scaling of jack catch; similarly, when the connecting block moves towards being close to pneumatic hollow shaft direction, the L type curved bar is rotatory as the basic point with the connecting end of connecting block with the L type curved bar for the tip that telescopic link one side was kept away from to the L type curved bar withstands the jack catch through the caulking groove, lets multiunit jack catch be close to in opposite directions along spout length direction, realizes tightening up of jack catch, and the chuck structure is compacter afterwards, the centre gripping is more reliable, has avoided back chuck because the structure is complicated huge leads to complex operation.

3. The utility model discloses a back chuck structure, the setting of anticreep piece prevents that back chuck structure from breaking down.

4. The utility model discloses a back chuck structure is by the action of numerical control system control driving motor, through driving gear and driven gear's transmission to drive the support body, realize the rotation of work piece, can effectively guarantee the operation precision.

5. The utility model discloses a back chuck structure, the setting of rings, the hoist and mount of the back chuck structure of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a rear chuck structure of a positioning device for laser cutting according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a rear chuck structure of a positioning device for laser cutting according to an embodiment of the present invention;

fig. 3 is a rear view of a rear chuck structure of a positioning device for laser cutting according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 11. a bearing; 12. a frame body; 13. a chute; 14. a claw; 15. caulking grooves; 2. a rotating mechanism; 21. a driven gear; 22. a driving gear; 23. a motor frame; 3. a drive transmission mechanism; 31. a pneumatic hollow shaft; 32. a telescopic rod; 33. connecting blocks; 34. an L-shaped curved bar; 35. a connecting rod; 36. a mounting frame; 4. an anti-drop block; 5. a lifting ring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The utility model provides a laser cutting is with positioner's back chuck structure, as shown in fig. 1 and fig. 2, includes base 1, and base 1 rotates through bearing 11 to be connected with support body 12, and the external connection of support body 12 has slewing mechanism 2 to the support body 12 is kept away from the tip of 2 one sides of slewing mechanism and is opened the spout 13 that has a plurality of symmetries to set up, all is equipped with the jack catch 14 that can follow its length direction displacement in the spout 13, and jack catch 14 connects in a drive transmission mechanism 3. Therefore, the base 1 is matched with the laser device to complete the fixed installation of the whole structure, the numerical control system controls the drive transmission mechanism 3 to move during work, so that the clamping jaws 14 move along the length direction of the sliding groove 13, namely, a plurality of groups of clamping jaws 14 are tightened or contracted to realize the feeding and the blanking of workpieces, and the numerical control system controls the rotation mechanism 2 to move, so that the frame body 12 drives the workpieces to rotate along the central axis thereof, the laser cutting is realized, and the whole process is flexible in movement and easy to operate.

As shown in fig. 1 and 2, the driving transmission mechanism 3 includes a pneumatic hollow shaft 31 penetrating through the inside of the frame body 12, a telescopic rod 32 capable of moving along the length direction of the pneumatic hollow shaft 31 is inserted into the end of the pneumatic hollow shaft 31, a connecting block 33 is arranged on one side of the telescopic rod 32 far away from the pneumatic hollow shaft 31, an L-shaped curved rod 34 is arranged on the connecting block 33, a right angle portion of the L-shaped curved rod 34 is movably connected with the connecting block 33, an end portion of the L-shaped curved rod 34 close to one side of the telescopic rod 32 is connected with an installing frame 36 sleeved on the end portion of the pneumatic hollow shaft 31 through a connecting rod 35, the connecting rod 35 is movably connected with the end portion of the L-shaped curved rod 34 close to one side of the telescopic rod 32, and an end portion of the L-shaped curved rod 34 far away from one side of the telescopic rod 32 extends into the caulking groove 15 of the claw 14. Therefore, the air pump is connected with the pneumatic hollow shaft 31 and is controlled by the numerical control system to move, so that the telescopic rod 32 is driven to displace along the length direction of the pneumatic hollow shaft 31, and the telescopic rod 32 is fixedly connected with the connecting block 33, namely when the connecting block 33 moves towards the direction far away from the pneumatic hollow shaft 31, the L-shaped curved rod 34 rotates by taking the connecting end of the connecting block 33 and the L-shaped curved rod 34 as a base point, so that the end part of the L-shaped curved rod 34 far away from the telescopic rod 32 supports against the jaws 14 through the caulking grooves 15, and the jaws 14 are far away from each other along the length direction of the sliding grooves 13, so that the jaws 14 are contracted and expanded; similarly, when the connecting block 33 moves towards the direction approaching the pneumatic hollow shaft 31, the L-shaped curved rod 34 rotates with the connecting end of the connecting block 33 and the L-shaped curved rod 34 as a base point, so that the end of the L-shaped curved rod 34 far away from the telescopic rod 32 abuts against the jaws 14 through the caulking groove 15, and the jaws 14 approach each other along the length direction of the sliding groove 13, thereby tightening the jaws 14. This scheme makes back chuck structure compacter, centre gripping more reliable through simple mechanical structure, has avoided back chuck because the structure is complicated huge leads to complex operation.

As shown in fig. 1 and 2, the end of the L-shaped curved bar 34 on the side away from the telescopic bar 32 is provided with an anti-falling block 4 which is engaged with the caulking groove 15, thereby preventing the rear chuck structure from malfunctioning.

As shown in fig. 1 and 3, the rotating mechanism 2 includes a driven gear 21 fixedly connected to the frame 12, the driven gear 21 is engaged with a driving gear 22, the driving gear 22 is connected to a driving motor, and the driving motor is mounted on the base 1 through a motor frame 23. Therefore, the numerical control system controls the action of the driving motor, and the frame body 12 is driven by the transmission of the driving gear 22 and the driven gear 21, so that the rotation of the workpiece is realized, and the running precision can be effectively ensured.

As shown in fig. 1, a hanging ring 5 is mounted on the base 1, and the hanging ring 5 is positioned on an extension line of the center of gravity of the rear chuck structure so as to facilitate the hoisting of the rear chuck structure.

This positioner for laser cutting's back chuck structure's theory of operation: the rear chuck structure is hoisted through the hoisting ring 5, the base 1 is matched with the laser device to complete fixed installation, an air pump is connected with the pneumatic hollow shaft 31 during work and is controlled by a numerical control system to move, so that the telescopic rod 32 is driven to move along the length direction of the pneumatic hollow shaft 31, the telescopic rod 32 is fixedly connected with the connecting block 33, namely when the connecting block 33 moves towards the direction far away from the pneumatic hollow shaft 31, the L-shaped curved rod 34 rotates by taking the connecting end of the connecting block 33 and the L-shaped curved rod 34 as a base point, the end part of the L-shaped curved rod 34 far away from one side of the telescopic rod 32 props against the jaws 14 through the caulking grooves 15, a plurality of groups of jaws 14 are far away from each other along the length direction of the sliding grooves 13, and the jaws 14 are contracted and expanded; similarly, when the connecting block 33 moves towards the direction close to the pneumatic hollow shaft 31, the L-shaped curved rod 34 rotates with the connecting end of the connecting block 33 and the L-shaped curved rod 34 as a base point, so that the end of the L-shaped curved rod 34 far away from one side of the telescopic rod 32 abuts against the jaws 14 through the caulking grooves 15, multiple groups of jaws 14 are close to each other along the length direction of the sliding groove 13, the jaws 14 are tightened, the action of the driving motor is controlled by the numerical control system, and the frame body 12 is driven through the transmission of the driving gear 22 and the driven gear 21, so that the rotation of the workpiece is realized, the laser cutting is completed, and the whole process is flexible in action and easy to operate.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a positioner's back chuck structure for laser cutting, its characterized in that, includes base (1), base (1) rotates through bearing (11) and is connected with support body (12), the external connection of support body (12) has slewing mechanism (2), and the tip that slewing mechanism (2) one side was kept away from in support body (12) is opened spout (13) that a plurality of symmetries set up, all be equipped with in spout (13) and follow jack catch (14) of its length direction displacement, jack catch (14) are connected in a drive transmission mechanism (3).

2. The rear chuck structure of the positioning device for laser cutting according to claim 1, wherein the driving transmission mechanism (3) comprises a pneumatic hollow shaft (31) penetrating the inside of the frame body (12), a telescopic rod (32) capable of moving along the length direction of the pneumatic hollow shaft (31) is inserted into the end of the pneumatic hollow shaft (31), a connecting block (33) is arranged on one side of the telescopic rod (32) far away from the pneumatic hollow shaft (31), an L-shaped curved rod (34) is arranged on the connecting block (33), the right-angled portion of the L-shaped curved rod (34) is movably connected with the connecting block (33), the end of the L-shaped curved rod (34) near the telescopic rod (32) is connected with a mounting frame (36) sleeved on the end of the pneumatic hollow shaft (31) through a connecting rod (35), and the connecting rod (35) and the end of the L-shaped curved rod (34) near the telescopic rod (32) are movably connected, the end part of one side of the L-shaped curved rod (34) far away from the telescopic rod (32) extends into the embedded groove (15) of the claw (14).

3. The rear chuck structure of the positioning device for laser cutting as claimed in claim 2, characterized in that the end of the L-shaped curved bar (34) far away from the telescopic bar (32) is provided with an anti-drop block (4) matched with the caulking groove (15).

4. The rear chuck structure of the positioning device for laser cutting as claimed in claim 1, wherein the rotating mechanism (2) comprises a driven gear (21) fixedly connected with the frame body (12), the driven gear (21) is engaged with a driving gear (22), the driving gear (22) is connected with a driving motor, and the driving motor is mounted on the base (1) through a motor frame (23).

5. The rear chuck structure of the positioning device for laser cutting as claimed in claim 1, wherein the base (1) is provided with a hanging ring (5), and the hanging ring (5) is located on the extension line of the center of gravity of the rear chuck structure.