CN217667402U

CN217667402U - Welding workbench capable of monitoring welding stress

Info

Publication number: CN217667402U
Application number: CN202220958546.8U
Authority: CN
Inventors: 张雷
Original assignee: Taicang Quansheng Display Props Co ltd
Current assignee: Taicang Quansheng Display Props Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-28
Anticipated expiration: 2032-04-25

Abstract

The utility model belongs to the technical field of weldment work platform, concretely relates to but monitor weldment work platform of welding stress. This weldment work platform includes: the base is used as a mounting carrier; the sliding frame is arranged on the base in a sliding manner; the fixed frame is fixed on the base and is positioned at one end of the sliding frame; the detection frame is positioned between the fixed frame and the sliding frame, and a group of stress sensors distributed in an array form are connected between the detection frame and the fixed frame; the detection frame is provided with a first carrying platform pressing device; the sliding frame is provided with a second carrying platform and a pressing device. The welding workbench can conveniently adjust the welding process parameters and help to obtain accurate welding process parameters, thereby improving the welding quality.

Description

Welding workbench capable of monitoring welding stress

Technical Field

The utility model belongs to the technical field of weldment work platform, concretely relates to but monitor weldment work platform of welding stress.

Background

The welding operation is performed by an automatic machine instead of the traditional manual work, which is an important development of the welding technology in recent years. The automatic welding technology not only greatly improves the welding operation efficiency, but also does not need manual operation in the welding process, greatly improves the stability of welding seams, and also obviously reduces the labor intensity of workers.

Automated welding, while not dependent on skilled welding technicians, places very stringent requirements on the setting of welding process parameters. According to the field conditions of welding material variety, welding seam width, welding seam depth and the like, a plurality of welding process parameters such as welding wire diameter, welding wire supply speed, welding current, welding gun moving speed and the like need to be reasonably adjusted, otherwise, stress is easily generated in the welding process to cause material bending deformation. Although a large number of welding process parameters are built in modern automatic welding equipment, the modern automatic welding equipment still cannot cope with diversified field conditions, certain fine adjustment is often required to be performed according to the quality of a welding seam on the basis of the built-in process parameters during field operation, and the fine adjustment still needs to depend on technical workers with abundant welding operation experience.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a can monitor weldment work platform of welding stress.

The utility model provides a but monitor weldment work platform of welding stress includes:

the base is used as a mounting carrier;

the sliding frame is arranged on the base in a sliding manner;

the fixed frame is fixed on the base and is positioned at one end of the sliding frame;

the detection frame is positioned between the fixed frame and the sliding frame, and a group of stress sensors distributed in an array are connected between the detection frame and the fixed frame, so that the detection frame is fixed on the fixed frame; a first loading platform is arranged on the detection frame and on one side close to the sliding frame, and at least one pressing device is arranged on the detection frame and above the first loading platform;

and a second carrying platform is arranged on the sliding frame and on one side close to the detection frame, and at least one pressing device is arranged on the sliding frame and above the second carrying platform.

Use the utility model provides a but monitor welding stress's weldment work platform can conveniently adjust welding process parameter, adjusts and obtains accurate welding process parameter to guarantee welding quality. Specifically, two workpieces to be welded together are respectively fixed on a carrying platform at two sides, the workpieces are pressed and fixed through a pressing device, and the workpieces are usually simulated by adopting samples made of the same material during testing so as to reduce the test cost; then sliding the sliding frame to a proper position to enable the distance between the samples to be consistent with the actual width of the welding seam; setting welding technological parameters on an automatic welding machine to weld the sample, recording data of each stress sensor before and after welding, wherein the change of the pressure or tension value of each stress sensor before and after welding can reflect the stress generated in the welding process; and further adjusting the welding process parameters until the numerical value changes of the stress sensors before and after welding are zero or close to zero, so that the proper welding process parameters are obtained.

Furthermore, a pair of guide rails parallel to each other is fixed on the base, and at least one guide block is connected to each guide rail in a sliding fit manner; the sliding frame is fixed on the guide block.

Furthermore, the upper surface of the base is provided with a sliding chute which is arranged along the sliding direction of the sliding frame, and a sliding block is embedded in the sliding chute in a sliding manner; a threaded rod vertically penetrates through the sliding frame and is in threaded fit connection with the sliding frame; the lower end of the threaded rod is rotatably connected with the sliding block, and a handle is fixed at the upper end of the threaded rod. When welding is needed, the handle is pulled to drive the threaded rod to rotate, the sliding frame can be locked, relative sliding between the sliding frame and the base is avoided, and therefore accurate data are obtained by the stress sensor.

Furthermore, four stress sensors are arranged and distributed in the same vertical plane in a rectangular mode; the positions of two of the stress sensors are higher than the first carrying platform, and the positions of the other two stress sensors are lower than the first carrying platform. The stress sensors arranged in the above way can better reflect the stress generated by welding, and different stress change combinations can reflect different stresses generated in the welding process. For example, the tensile force applied to the upper two force sensors increases, and the compressive force applied to the lower two force sensors increases, indicating that additional bending moment is generated by the welding, and the welded sample has a tendency to bend.

Further, the upper surface of the second stage is flush with the upper surface of the first stage.

Furthermore, the upper surface of the first carrying table and the upper surface of the second carrying table are provided with anti-skid grains, so that the clamping stability is improved.

Furthermore, the pressing device comprises a pressing seat, a pressing rod connected to the lower part of the pressing seat in a sliding fit manner, a swing handle hinged to the top of the pressing seat, and a connecting rod connected between the swing handle and the pressing rod; the lower part of the lower pressing seat is provided with a vertical guide hole, and the lower pressing rod is slidably arranged in the guide hole in a penetrating way; the middle part of the swing handle is hinged with the lower pressing seat, and the upper end of the swing handle is a handheld part; the upper end of the connecting rod is hinged with the lower end of the swing handle, and the lower end of the connecting rod is hinged with the upper end of the lower pressing rod; the middle part of the connecting rod protrudes towards the lower pressing seat so as to abut against the lower pressing seat. The swing handle is pulled to drive the lower pressing rod to move up and down, and the lower pressing rod moves down to press the sample tightly. In addition, when the lower pressure lever is downward to a certain position, the middle part of the connecting rod is abutted against the lower pressure seat, so that locking is realized. The hinged position of the connecting rod and the swing handle is marked as a, the hinged position of the swing handle and the lower pressing seat is marked as b, the hinged position of the connecting rod and the lower pressing rod is marked as c, and the a and the lower pressing seat are positioned on the same side of a bc connecting line during locking.

Furthermore, the lower end of the lower pressing rod is provided with an internal threaded hole, an adjusting bolt is connected in the internal threaded hole in a threaded fit mode, a locking nut is further sleeved on the adjusting bolt in a threaded fit mode, and the locking nut upwards extrudes the lower end face of the lower pressing rod. When the thickness of the sample changes, the locking nut is firstly unscrewed, the adjusting bolt is screwed to adjust to a proper height, and then the locking nut is screwed, so that the device can adapt to samples with different thicknesses.

Has the advantages that: compared with the prior art, the utility model provides a can monitor weldment work platform of welding stress, the structure is succinct reliable, and easy operation is convenient, can conveniently adjust welding process parameter through this weldment work platform, and the help obtains accurate welding process parameter to improve welding quality.

Drawings

Fig. 1 is a schematic structural view of a welding table.

FIG. 2 is a schematic view of the sliding rack and the fixing rack.

Fig. 3 is a partially enlarged view of fig. 2.

In the figure, a base 1, a sliding frame 2, a fixed frame 3, a detection frame 4, a force sensor 41, a first stage 42, a second stage 21, a pressing device 5, a guide rail 61, a guide block 62, a slide block 71, a threaded rod 72, a handle 73, a pressing base 51, a pressing rod 52, a swing handle 53, a connecting rod 54, an adjusting bolt 55 and a lock nut 56.

Detailed Description

The invention is further illustrated by the following examples, which are intended to illustrate the technical solutions of the invention more clearly and are not to be construed as a limitation.

Unless defined otherwise, technical or scientific terms used herein should be understood as having the ordinary meaning as understood by those of ordinary skill in the art. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1

A welding station for monitoring welding stresses, as shown in fig. 1 to 3, comprising:

the device comprises a base 1 and a base 1, wherein the base 1 is used as a mounting carrier;

the sliding frame 2 is arranged on the base 1 in a sliding manner;

the fixed frame 3 is fixed on the base 1 and is positioned at one end of the sliding frame 2;

the detection frame 4 is positioned between the fixed frame 3 and the sliding frame 2, and a group of stress sensors 41 which are distributed in an array form are connected between the detection frame 4 and the fixed frame 3, so that the detection frame 4 is fixed on the fixed frame 3; a first loading platform 42 is arranged on the detection frame 4 and on one side close to the sliding frame 2, and a group of pressing devices 5 are arranged on the detection frame 4 and right above the first loading platform 42;

a second stage 21 is provided on the carriage 2 at a side close to the detection frame 4, and a set of hold-down devices 5 is provided on the carriage 2 directly above the second stage 21.

As shown in fig. 2, a pair of parallel guide rails 61 are fixed on the base 1, and at least one guide block 62 is connected on each guide rail 61 in a sliding fit manner; the carriage 2 is fixed to the guide block 62.

As shown in fig. 2, the upper surface of the base 1 is provided with a sliding groove arranged along the sliding direction of the sliding frame 2, and a sliding block 71 is slidably embedded in the sliding groove; a threaded rod 72 vertically penetrates through the sliding frame 2 and is in threaded fit connection with the sliding frame 2; the lower end of the threaded rod 72 is rotatably connected with the slider 71, and the upper end of the threaded rod 72 is fixed with a handle 73.

As shown in fig. 3, the force sensors 41 are four and are distributed in a rectangular shape in the same vertical plane; two of the force sensors 41 are located higher than the first stage 42, and the other two force sensors 41 are located lower than the first stage 42.

The upper surface of the second stage 21 is flush with the upper surface of the first stage 42. The upper surface of the first carrier 42 and the upper surface of the second carrier 21 are provided with anti-skid lines.

As shown in fig. 3, the pressing device 5 includes a pressing base 51, a pressing rod 52 connected to the lower portion of the pressing base 51 in a sliding fit manner, a swing handle 53 hinged to the top of the pressing base 51, and a connecting rod 54 connected between the swing handle 53 and the pressing rod 52; the lower part of the lower pressing seat 51 is provided with a vertical guide hole, and the lower pressing rod 52 is slidably arranged in the guide hole; the middle part of the swing handle 53 is hinged with the lower pressing seat 51, and the upper end of the swing handle 53 is a handheld part; the upper end of the connecting rod 54 is hinged with the lower end of the swing handle 53, and the lower end of the connecting rod 54 is hinged with the upper end of the lower pressing rod 52; the middle portion of the link 54 protrudes toward the lower press seat 51 so as to abut on the lower press seat 51.

As shown in fig. 3, the lower end of the lower pressing rod 52 has an internally threaded hole, an adjusting bolt 55 is threadedly engaged in the internally threaded hole, and a lock nut 56 is further threadedly engaged with the adjusting bolt 55, and the lock nut 56 presses the lower end surface of the lower pressing rod 52 upward.

The above embodiments are exemplary and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a can monitor weldment work platform of welding stress which characterized in that: the method comprises the following steps:

a base (1), wherein the base (1) is used as a mounting carrier;

a carriage (2), the carriage (2) being slidably arranged on the base (1);

the fixing frame (3) is fixed on the base (1) and is positioned at one end of the sliding frame (2);

the detection frame (4) is positioned between the fixed frame (3) and the sliding frame (2), and a group of stress sensors (41) distributed in an array manner are connected between the detection frame (4) and the fixed frame (3), so that the detection frame (4) is fixed on the fixed frame (3); a first carrying platform (42) is arranged on the detection frame (4) and on one side close to the sliding frame (2), and at least one pressing device (5) is arranged on the detection frame (4) and above the first carrying platform (42);

a second carrying platform (21) is arranged on the sliding frame (2) and on one side close to the detection frame (4), and at least one pressing device (5) is arranged on the sliding frame (2) and above the second carrying platform (21).

2. Welding station for monitoring welding stresses according to claim 1, characterized in that: a pair of guide rails (61) which are parallel to each other is fixed on the base (1), and at least one guide block (62) is connected on each guide rail (61) in a sliding fit manner; the sliding frame (2) is fixed on the guide block (62).

3. Welding station for monitoring welding stresses according to claim 1, characterized in that: the upper surface of the base (1) is provided with a sliding groove which is arranged along the sliding direction of the sliding frame (2), and a sliding block (71) is embedded in the sliding groove in a sliding manner; a threaded rod (72) vertically penetrates through the sliding frame (2) and is in threaded fit connection with the sliding frame (2); the lower end of the threaded rod (72) is rotatably connected with the sliding block (71), and a handle (73) is fixed at the upper end of the threaded rod (72).

4. Welding station for monitoring welding stresses according to claim 1, characterized in that: the number of the stress sensors (41) is four, and the four stress sensors are distributed in the same vertical plane in a rectangular mode; two of the force sensors (41) are positioned higher than the first stage (42), and the other two force sensors (41) are positioned lower than the first stage (42).

5. Welding station for monitoring welding stresses according to claim 4, characterized in that: the upper surface of the second stage (21) is flush with the upper surface of the first stage (42).

6. Welding station for monitoring welding stresses according to claim 1, characterized in that: the upper surface of the first carrying platform (42) and the upper surface of the second carrying platform (21) are provided with anti-skid grains.

7. Welding station for monitoring welding stresses according to claim 1, characterized in that: the pressing device (5) comprises a pressing base (51), a pressing rod (52) connected to the lower part of the pressing base (51) in a sliding fit manner, a swing handle (53) hinged to the top of the pressing base (51), and a connecting rod (54) connected between the swing handle (53) and the pressing rod (52); the lower part of the lower pressing seat (51) is provided with a vertical guide hole, and the lower pressing rod (52) is slidably arranged in the guide hole in a penetrating way; the middle part of the swing handle (53) is hinged with the lower pressing seat (51), and the upper end of the swing handle (53) is a handheld part; the upper end of the connecting rod (54) is hinged with the lower end of the swing handle (53), and the lower end of the connecting rod (54) is hinged with the upper end of the lower pressing rod (52); the middle portion of the link (54) protrudes toward the lower press seat (51) so as to abut on the lower press seat (51).

8. Welding station for monitoring welding stresses according to claim 7, characterized in that: the lower extreme of depression bar (52) has the internal thread hole down, has an adjusting bolt (55) screw-thread fit ground to connect in the internal thread hole, adjusting bolt (55) go up still that screw-thread fit ground overlaps and is equipped with lock nut (56), lock nut (56) upwards extrudees the lower terminal surface of depression bar (52) down.