CN214109359U

CN214109359U - Sliding table device

Info

Publication number: CN214109359U
Application number: CN202022751145.9U
Authority: CN
Inventors: 余海燕; 冯小军; 郭子铭
Original assignee: Changchun Sanyou Automobile Parts Manufacture Co ltd
Current assignee: Changchun Sanyou Automobile Parts Manufacture Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-03
Anticipated expiration: 2030-11-24

Abstract

A slide table apparatus comprising: the welding fixture comprises a power element, a limit switch group, a linear slide rail and a workbench for connecting the welding fixture; the lower surface of the workbench is connected with a U-shaped sliding block, the U-shaped sliding block is matched with the linear slide rail, and the power element drives the workbench to slide along the path of the linear slide rail; the limit switch group limits the movement of the workbench and fixes the workbench at a preset position, and the preset position comprises at least two working points. The utility model provides a can't accomplish large-scale work piece or all welded problems of the more complicated work piece of welding position at same process because of the restriction of robot motion range, can realize a robot welding station of a plurality of welding jig sharing simultaneously, show to have improved field utilization and robot utilization. The utility model discloses still fix a position many times through the shift table in welding process, show to have reduced because of changeing cost of labor and the logistics cost that the preface produced.

Description

Sliding table device

Technical Field

The utility model relates to a flexible welding system field, in particular to slip table device.

Background

With the increasing industrial automation degree, robots are mostly adopted in modern manufacturing industry for welding, so that the stability of welding quality is improved to a great extent, and the labor intensity and labor cost of workers are reduced. However, due to the limited accessibility of the robot arm, large workpieces or workpieces with complicated welding positions are difficult to be welded in one step in the same process, and most of the methods adopted at present are as follows: 1. and the working procedures are added, so that the welding is completed through two or even three procedures. Therefore, the tooling cost, the labor cost and the turnover cost of the workpiece are increased, the utilization rate of the robot is reduced, the turnover probability of the workpiece is increased, and the rejection rate is increased. 2. The robot is added with seven shafts, so that the robot moves on the seven shafts, and the welding in a large range is completed. The method has the disadvantages that the cost is high, small enterprises are difficult to bear, and the moving speed of the robot is limited in order to ensure the positioning precision, so that the production speed of workpieces is reduced. Therefore, how to realize one-time welding of large workpieces or workpieces with more complex welding positions by using lower cost investment becomes a problem which needs to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve and realize the disposable welded problem of large-scale work piece or the more complicated work piece of welding position with the input of lower cost, provide a slip table device.

In order to achieve the above purpose, the utility model adopts the following specific technical scheme:

a slide table apparatus comprising: the welding fixture comprises a power element, a limit switch group, a linear slide rail and a workbench for connecting the welding fixture; the lower surface of the workbench is connected with a U-shaped sliding block, the U-shaped sliding block is matched with the linear slide rail, and the power element drives the workbench to slide along the path of the linear slide rail; the limit switch group limits the movement of the workbench and fixes the workbench at a preset position, and the preset position comprises at least two working points.

Preferably, the linear guide rail device further comprises a base, the linear guide rails are all fixed on the base, and the linear guide rails comprise two parallel rails.

Preferably, the power element is a cylinder block, a gear transmission or a belt.

Preferably, the preset position comprises a starting point, a first working point and a second working point; the cylinder group comprises an upper cylinder and a lower cylinder; the upper cylinder drives the workbench to move between the starting point and the first working point, and the lower cylinder drives the workbench to move between the first working point and the second working point.

Preferably, the device also comprises a joint, the piston rods of the upper cylinder and the lower cylinder are both connected with the joint, the rodless side end cover of the upper cylinder is fixed on the base, and the rodless side end cover of the lower cylinder is fixedly connected with the lower surface of the workbench; the joint is arranged in a suspension way and is not connected with the base or the workbench.

Preferably, the upper cylinder and the lower cylinder are respectively connected with an upper cylinder electromagnetic switch and a lower cylinder electromagnetic switch for controlling the extension and retraction of the upper cylinder and the lower cylinder.

Preferably, the upper surface of the workbench is provided with a pin; the lower surface of the welding fixture is fixedly provided with a connecting plate matched with a pin, and the connecting plate is matched with the pin to be detachably fixed on the workbench.

Preferably, a floating head group is fixed on the base and consists of floating heads which are in one-to-one correspondence with limit switches of the limit switch group; the floating head is used to stop the motion of the table smoothly.

Preferably, the base includes: square steel and transverse plates.

The utility model discloses can gain following technological effect:

(1) the problem that all welding of large-sized workpieces or workpieces with complex welding positions cannot be completed in the same process due to limitation of the motion range of the robot is solved, and meanwhile, a plurality of welding fixtures can share one robot welding station, so that the field utilization rate and the robot utilization rate are obviously improved;

(2) through the movable workbench, multiple positioning is performed in the welding process, and the labor cost and the logistics cost caused by sequence conversion are obviously reduced.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a slide table device according to an embodiment of the present invention;

fig. 2 is a plan view of a three-dimensional structure simple schematic diagram of a slide table device according to an embodiment of the present invention;

fig. 3 is a right side view of a three-dimensional structure simple schematic diagram of the slide table device according to the embodiment of the present invention;

fig. 4 is a rear view of a three-dimensional structure simple schematic diagram of the sliding table device according to the embodiment of the present invention.

Wherein the reference numerals include: the device comprises a cylinder group 1, a limit switch group 2, a linear slide rail 3, a workbench 4, a U-shaped slide block 5, a base 6, a joint 7, an upper cylinder 11, a lower cylinder 12, a starting point limit switch 21, a first limit switch 22, a second limit switch 23, a starting point floating head 81, a first floating head 82 and a second floating head 83.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not constitute limitations on the invention.

The structure of the sliding table device provided by the present invention will be described in detail with specific embodiments.

As shown in fig. 1, a sliding table apparatus provided in an embodiment of the present invention includes a cylinder group 1, a limit switch group 2, a linear slide rail 3, and a workbench 4 for connecting a welding fixture; the workbench 4 can slide along the path of the linear slide rail 3 and is fixed at different working points through the limit switch group 2, so that the welding work at different welding positions is completed, and the limitation of the motion range is eliminated.

The lower surface of the workbench 4 is connected with a U-shaped sliding block 5, and the workbench 4 slides along the path of the linear slide rail 3 through the matching of the U-shaped sliding block 5 and the linear slide rail 3. The cylinder block 1 powers the motion and drives the table 4 to slide along the path of the linear slide 3. The motion of limit switch group 2 restriction workstation 4 and fix it in predetermineeing the position, the utility model provides a predetermine the position and include two at least operating point.

In an alternative embodiment of the present invention, other power elements are used instead of the cylinder block 1, for example, the power element is a gear transmission mechanism, the gear transmission mechanism is used as power, the table 4 can be moved smoothly at a uniform speed, or the power element is a conveyor belt, the conveyor belt is used as power, the table 4 can be moved smoothly, and the table 4 can be stopped from moving by idling of the conveyor belt wheel when an emergency occurs during the movement, and the protection device is provided.

In an embodiment of the present invention, the device further comprises a base 6, the linear guideway 3 is fixed on the base 6, the linear guideway 3 comprises two parallel tracks, and the working table 4 is erected on the two tracks and can slide under the driving of the cylinder group 1. Through two fixed tracks of base 6, can guarantee the depth of parallelism between two tracks, reduce because of the orbital movement that weldment work or workstation 4 removed and produce.

On the basis of the above embodiment, preferably, the preset position includes a starting point, a first operating point and a second operating point; the cylinder group 1 includes an upper cylinder 11, a lower cylinder 12; the upper cylinder 11 drives the table 4 to move between the starting point and the first operating point, and the lower cylinder 12 drives the table 4 to move between the first operating point and the second operating point.

On the basis of the above embodiment, preferably, the sliding table apparatus further includes a joint 7, the piston rods of the upper cylinder 11 and the lower cylinder 12 are both connected to the joint 7, the rodless side end cover of the upper cylinder 11 is fixed on the base 6, and the rodless side end cover of the lower cylinder 12 is connected and fixed with the lower surface of the workbench 4; the joint 7 is arranged in a suspension way and is not connected with the base 6 or the workbench 4.

In addition to the above embodiments, it is preferable that the upper cylinder 11 and the lower cylinder 12 are respectively connected to an upper cylinder electromagnetic switch and a lower cylinder electromagnetic switch for controlling the extension and retraction thereof.

As shown in fig. 2, the starting point limit switch 21, the first limit switch 22 and the second limit switch 23 are respectively fixed at the starting point, the first operating point and the second operating point; the first limit switch 22 is connected with a controller, the on-off state of the first limit switch can be controlled through the controller, after the welding work of the first working point is completed, the controller closes the first limit switch 22, and the displacement limit of the first limit switch 22 on the workbench 4 is removed.

It should be noted that the number of limit switches and controllers included in the limit switch group 2 in the present embodiment is only illustrative, and a combination of four or more of the above elements is within the scope of the present invention.

In an embodiment of the utility model, the upper surface of the worktable 4 is provided with a positioning pin, and the welding fixture is detachably connected with the worktable 4 through the positioning pin; the positioning pin is arranged, so that the welding fixture is convenient to connect and detach with the workbench, and the assembly efficiency can be improved compared with common connection methods such as bolts.

In an embodiment of the present invention, a floating head group is fixed on the base 6, and the floating head group is composed of a starting point floating head 81, a first floating head 82 and a second floating head 83 which are in one-to-one correspondence with the starting point limit switch 21, the first limit switch 22 and the second limit switch 23, and the floating heads are used for stably stopping the motion of the worktable; the floating head is added in the device, so that the telescopic impact force of the cylinder can be effectively reduced, and the workbench can accurately and slowly stop moving.

The specific operation of the present invention will be described in detail with reference to fig. 2-4 below:

(1) the lower surface of the welding fixture is provided with a connecting plate matched with the positioning pin, and the welding fixture is connected with the workbench 4 through the positioning pin;

(2) pressing a welding appointment button, starting an upper air cylinder electromagnetic switch for controlling the upper air cylinder 11, starting the upper air cylinder 11 by the upper air cylinder electromagnetic switch, shortening a piston rod of the upper air cylinder 11, enabling the joint 7 not to generate displacement, and pulling the workbench 4 to a first working point by the upper air cylinder 11; the first floating head 82 stops stably and touches the first limit switch 22, the first limit switch 22 transmits an in-place signal to the welding robot, and the welding robot performs welding operation; after the welding robot finishes the operation, transmitting an operation finishing signal to a controller connected with a first limit switch 22, closing the first limit switch 22 by the controller, removing the movement limit of the first limit switch 22, and transmitting a limit removing signal to the welding robot;

(3) after the welding robot receives the limit releasing signal, a lower cylinder electromagnetic switch for controlling a lower cylinder 12 is started, the lower cylinder electromagnetic switch starts the lower cylinder 12, a piston rod of the lower cylinder 12 extends to push a joint 7, and the joint 7 drives an upper cylinder 11 and a workbench 4, the relative positions of which are unchanged, to a second working point; the second floating head 83 stops stably, the second limit switch 23 is triggered, the second limit switch 23 transmits an in-place signal to the welding robot, and the welding robot performs welding operation;

(4) after the welding robot finishes the operation, a lower cylinder electromagnetic switch is started, the lower cylinder electromagnetic switch starts a lower cylinder 12, a piston rod of the lower cylinder 12 is shortened, a connector 7 is pulled, and the connector 7 drives an upper cylinder 11 and a workbench 4, the relative positions of which are unchanged, to a first working point; starting an upper cylinder electromagnetic switch, starting an upper cylinder 11 by the upper cylinder electromagnetic switch, extending a piston rod of the upper cylinder 11, generating no displacement of a joint 7, and pushing the workbench 4 to a starting point by the upper cylinder 11; the floating head 81 is stably stopped through the starting point, the starting point limit switch 21 is triggered, and the starting point limit switch 21 transmits an in-place signal to the welding robot; the welding robot transmits a signal to a controller connected with the first limit switch 22, and the controller moves the first limit switch 22 to start the movement limitation of the first limit switch 22; and (5) reminding an operator to disassemble the welding fixture after the welding process is finished.

The utility model discloses can fix a position many times in a welding procedure, greatly reduced because the preface changes cost of labor and the logistics cost who produces.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limiting the present invention. Variations, modifications, substitutions and alterations of the above-described embodiments may occur to persons of ordinary skill in the art without departing from the scope of the invention.

The above detailed description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A slide table device characterized by comprising: the welding fixture comprises a power element, a limit switch group, a linear slide rail and a workbench for connecting the welding fixture; the lower surface of the workbench is connected with a U-shaped sliding block, the U-shaped sliding block is matched with the linear slide rail, and the power element drives the workbench to slide along the path of the linear slide rail; the limit switch group limits the workbench to move and fixes the workbench at a preset position, and the preset position comprises at least two working points.

2. The slide table apparatus according to claim 1, further comprising a base, wherein the linear slide rail is fixed to the base, and the linear slide rail includes two rails that are parallel to each other.

3. The slide table apparatus of claim 2, wherein the power element is a gear transmission or a conveyor belt.

4. The slide mount of claim 3, wherein said power element is a cylinder block, and said predetermined positions include a start point, a first operating point, and a second operating point; the cylinder group comprises an upper cylinder and a lower cylinder; the upper air cylinder drives the workbench to move between a starting point and a first working point, and the lower air cylinder drives the workbench to move between the first working point and a second working point.

5. The slide table apparatus according to claim 4, further comprising a joint to which both of the piston rods of the upper cylinder and the lower cylinder are connected, wherein the rodless side end cap of the upper cylinder is fixed to the base, and the rodless side end cap of the lower cylinder is fixedly connected to the lower surface of the table; the joint is arranged in a suspension mode and is not connected with the base or the workbench.

6. The slide table device according to claim 4, wherein the upper cylinder and the lower cylinder are connected to an upper cylinder electromagnetic switch and a lower cylinder electromagnetic switch, respectively, for controlling extension and retraction thereof.

7. The slide table apparatus according to claim 1, wherein a pin is provided on an upper surface of the table; the lower surface of the welding fixture is fixedly provided with a connecting plate matched with the pin, and the connecting plate is detachably fixed on the workbench in a matched mode.

8. The sliding table device according to claim 2, wherein a floating head group is fixed to the base, and the floating head group is composed of floating heads corresponding to limit switches of the limit switch group one by one; the floating head is used for enabling the movement of the workbench to be stopped stably.

9. The slide table apparatus according to claim 2, wherein the base includes: square steel and transverse plates.