CN111716056A

CN111716056A - Welding device

Info

Publication number: CN111716056A
Application number: CN202010543259.6A
Authority: CN
Inventors: 马永志; 孙斌斌; 庞明仁; 郭瑞青; 穆云平; 田忠利; 侯金柱; 裴绍波; 杨铁鑫
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-09-29
Anticipated expiration: 2040-06-15
Also published as: CN111716056B

Abstract

The embodiment of the application provides a welding device, which comprises a welding platform and a fixed seat, wherein the welding platform comprises a first sub-platform and a second sub-platform, at least part of the first sub-platform is overlapped on the second sub-platform and can move relatively along the second sub-platform; the fixing seat is used for fixing the part to be welded on the welding platform. When the scheme of this application embodiment is adopted and is welding, the area of welded platform is expanded to the accessible removes first sub-platform to make welded platform can adapt to the welding of the part of bigger size, thereby improve welding set's application scope.

Description

Welding device

Technical Field

The application relates to rail vehicle manufacturing technology, in particular to a welding device.

Background

Welding is a manufacturing process for joining metals or other thermoplastic materials in a heated, high temperature or high pressure manner, and is often used in the production of rail vehicles to join two parts (e.g., profiles or plates), and the quality of the welding directly affects the final quality of the rail vehicle.

In the related art, the welding process is generally performed on a welding device, and the welding device includes a welding platform and a fixing seat, and the fixing seat is used for fixing a part to be welded on the welding platform. During welding, a welder places two parts to be welded on two sides of the welding platform, aligns the parts to be welded of the two parts, fixes the two parts to be welded with the welding platform by using a fixing seat, and finally performs welding.

However, the solutions in the related art are limited by the size of the welding platform, and the welding device can only weld parts within a certain size range, so that the application range of the welding device is narrow.

Disclosure of Invention

The embodiment of the application provides a welding device, which is mainly used for solving the problem that the application range of the welding device in the related technology is narrow.

According to a first aspect of embodiments of the present application, there is provided a welding apparatus including:

the welding platform comprises a first sub-platform and a second sub-platform, and at least part of the first sub-platform is overlapped on the second sub-platform and can relatively move along the second sub-platform;

and the fixed seat is used for fixing the part to be welded on the welding platform.

The welding device as described above, optionally, the first sub-platform includes a main body and at least one overlapping portion, and the second sub-platform is provided with at least one groove adapted to the overlapping portion, and the overlapping portion overlaps in the groove and can slide along the groove.

Optionally, the groove is provided with a sliding groove, and the overlapping portion is provided with a sliding rail adapted to the sliding groove.

In the welding device as described above, optionally, the sliding groove is disposed on a side wall of the groove, and the groove is a dovetail groove or a T-shaped groove.

Optionally, in the welding device as described above, a sliding groove is provided in the groove, and a sliding block adapted to the sliding groove is provided on the overlapping portion.

The welding device as described above, optionally, the fixing base includes:

the fixing support comprises a first fixing plate and a second fixing plate which are oppositely arranged, one end of the first fixing plate is connected with one end of the corresponding second fixing plate through a connecting plate, and at least one fixing hole is formed in the first fixing plate;

the retaining member is arranged in the fixing hole.

The welding device as described above, optionally, the fixing hole is a threaded hole, and the locking member includes a bolt and a cushion pad, and the cushion pad is disposed on a side of the bolt facing the second fixing plate.

The welding device optionally comprises a plurality of fixing seats, and the plurality of fixing seats are arranged on two sides of the welding platform in a group.

According to the welding device, optionally, a wheel is further arranged below the welding platform, and a locking mechanism is arranged on the wheel.

The welding device as described above, optionally, the wheel includes a universal wheel and a supporting wheel, the universal wheel is disposed on a side of the first sub-platform facing away from the second sub-platform and a side of the second sub-platform facing away from the first sub-platform, and the supporting wheel is disposed on a side of the second sub-platform facing toward the first sub-platform.

The welding device as described above, optionally, further includes a welding positioning member, where the welding positioning member includes:

the two positioning rods are respectively arranged on two sides of the welding platform;

the locating plate, the both ends cover of locating plate is established two on the locating lever and can follow the locating lever removes, be equipped with positioning hole on the locating plate.

As above welding set, optionally, locating lever fixed connection be in on the welding platform, still the cover is equipped with the locking piece on the locating lever, the both ends of locating plate are established through the sliding sleeve cover on the locating lever, the sliding sleeve is located the top of locking piece.

According to the welding device, optionally, the positioning rod is a screw rod, threaded sleeves with internal threads are arranged at two ends of the positioning plate, and the threaded sleeves are sleeved on the screw rod.

According to the welding device, optionally, the two positioning rods are respectively arranged on the two fixing seats which are oppositely arranged, the fixing seats are provided with positioning holes with internal threads, one ends of the positioning rods are arranged in the positioning holes, and the other ends of the positioning rods are connected with driving pieces for driving the positioning rods.

As above-mentioned welding set, optionally, the welding positioning element further includes a transmission mechanism, the transmission mechanism includes a sprocket wheel sleeved on the positioning rod and a chain connecting the two sprocket wheels, and the driving element is disposed on one of the positioning rods.

In the welding device as described above, optionally, a protective cover is further provided on the outer side of the chain.

By adopting the welding device according to the embodiment of the application, the welding device comprises a welding platform and a fixed seat, the welding platform comprises a first sub-platform and a second sub-platform, and at least part of the first sub-platform is overlapped on the second sub-platform and can relatively move along the second sub-platform; the fixing seat is used for fixing the part to be welded on the welding platform. When the scheme of this application embodiment is adopted and is welding, the area of welded platform is expanded to the accessible removes first sub-platform to make welded platform can adapt to the welding of the part of bigger size, thereby improve welding set's application scope.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a simplified schematic illustration of a welding apparatus provided in accordance with an embodiment of the present application from a first perspective;

FIG. 2 is a simplified structural diagram of a welding device provided by an embodiment of the present application from a second perspective;

FIG. 3 is a block diagram illustrating a welding platform according to an embodiment of the present application;

FIG. 4 illustrates an exploded view of a welding platform provided by an embodiment of the present application;

fig. 5 is a schematic structural diagram of a fixing base according to an embodiment of the present application.

Reference numerals:

100-a welding platform; 110-a first sub-platform; 111-a body; 112-a lap joint; 120-a second sub-platform; 121-grooves;

200-a fixed seat; 210-a fixed support; 211-a first fixation plate; 212-a second fixation plate; 213-a connecting plate; 220-a retaining member; 221-bolt; 222-a cushion;

310-universal wheels; 320-a support wheel;

400-welding the positioning piece; 410-a positioning rod; 420-positioning plate; 421-positioning through holes; 430-thread insert; 440-a drive member; 451-chain wheel; 452-a chain; 453-protective cover.

Detailed Description

In the solutions of the related art, the welding process of the parts of the rail vehicle is generally performed on a welding device, and the welding device includes a welding platform and a fixing seat, and the fixing seat is used for fixing the parts to be welded on the welding platform. During welding, a welder places two parts to be welded on two sides of the welding platform, aligns the parts to be welded of the two parts, fixes the two parts to be welded with the welding platform by using a fixing seat, and finally performs welding.

However, the inventors have found that at least the following problems exist when performing welding work using the solutions in the related art:

the welding device is limited by the size of the welding platform, can only weld parts within a certain size range, and has a narrow application range;

the welding platform is heavy and is inconvenient to move, so that the position of welding operation is limited;

the quality of the welding seam completely depends on the proficiency of welding workers, and the rejection rate is high.

In view of the above, the present application is directed to a welding device to solve at least one of the above problems.

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

FIG. 1 is a simplified schematic illustration of a welding apparatus provided in accordance with an embodiment of the present application from a first perspective; FIG. 2 is a simplified structural diagram of a welding device provided by an embodiment of the present application from a second perspective; FIG. 3 is a block diagram illustrating a welding platform according to an embodiment of the present application; FIG. 4 illustrates an exploded view of a welding platform provided by an embodiment of the present application; please refer to fig. 1-4.

The embodiment provides a welding device, which comprises a welding platform 100 and a fixed seat 200, wherein the welding platform 100 is used for bearing a part to be welded, and the fixed seat 200 is used for fixing the part to be welded on the welding platform 100.

The welding stage 100 of the present embodiment is described in detail with reference to fig. 2, fig. 3 and fig. 4, in which the welding stage 100 of the present embodiment includes a first sub-stage 110 and a second sub-stage 120, at least a portion of the first sub-stage 110 overlaps the second sub-stage 120 and is relatively movable along the second sub-stage 120; that is, when the first sub-platform 110 and the second sub-platform 120 are displaced relatively, the first sub-platform 110 and the second sub-platform 120 may expand the area of the welding platform 100, so that the welding platform 100 can bear parts with larger sizes. Preferably, the upper surface (surface for supporting the part to be welded) of the first sub-platform 110 and the upper surface (surface for supporting the part to be welded) of the second sub-platform 120 are located on the same plane during the relative movement, so as to ensure the flatness of the surface of the welding platform 100, prevent the part from being deformed due to the uneven surface, and ensure the welding quality.

As can be seen from the above description, in the embodiment, the bearing area of the welding platform 100 can be expanded through the first sub-platform 110 and the second sub-platform 120 that can move relatively, so that the welding platform can be applied to parts in a larger size range, and the application range is improved.

In a preferred embodiment, as shown in fig. 3 and 4, the first sub-platform 110 includes a main body 111 and at least one overlapping part 112, the second sub-platform 120 is provided with at least one groove 121 adapted to the overlapping part, and the overlapping part 112 overlaps the groove 121 and can slide along the groove 121.

The relative sliding structure between the overlapping part 112 and the groove 121 can be set as required, for example, a sliding groove can be arranged in the groove 121, a sliding rail matched with the sliding groove can be arranged on the overlapping part 112, and the relative sliding is realized through the structure of the sliding rail of the sliding groove.

Further, the sliding groove may be disposed on a side wall of the groove 121, and the groove 121 may be a dovetail groove or a T-shaped groove.

In other alternative embodiments, a sliding groove may be disposed in the groove 121, and a sliding block adapted to the sliding groove may be disposed on the overlapping portion 112, so that the sliding block and the sliding groove are configured to slide relatively.

FIG. 5 is a simplified structural diagram of a mounting base according to an embodiment of the present disclosure; please refer to fig. 5. The fixing base 200 of the present embodiment includes a fixing bracket 210 and a locking member 220, the fixing bracket 210 includes a first fixing plate 211 and a second fixing plate 212 which are oppositely disposed, one end of the first fixing plate 211 is connected with one end of the corresponding second fixing plate 212 through a connecting plate 213, the first fixing plate 211 is provided with at least one fixing hole, and the locking member 220 is disposed in the fixing hole.

Optionally, two fixing holes are formed in the first fixing plate 211, and the two fixing holes are located on two sides of the first fixing plate 211 respectively; the connection plate 213 is connected to the middle of the first fixing plate 211.

In a preferred embodiment, the fixing holes are threaded holes, the locking member 220 includes a bolt 221 and a cushion 222, and the cushion 222 is disposed on a side of the bolt 221 facing the second fixing plate 212, so as to increase a contact area with the parts to be welded and enhance a fixing effect of the fixing base 200 on the parts to be welded. The surface of the cushion pad 222 may be further provided with an anti-slip texture to ensure a stable clamping state.

In this embodiment, the number of the fixing seats 200 may be selected as required, and the general fixing seats 200 may be arranged in a group, and the two fixing seats are respectively located at two sides of the welding platform 100. In this embodiment, four fixing seats 200 may be provided, and the four fixing seats 200 are divided into two groups, one group is located on two sides of the main body 111 of the first sub-platform 110, and the other group is located on two sides of the second sub-platform 120.

In order to move the welding device conveniently, so that the welding device can work in different places, wheels are further arranged below the welding platform 100 of the embodiment, and locking mechanisms are arranged on the wheels.

The wheel comprises a universal wheel 310 and a supporting wheel 320, and the locking mechanism is arranged on the universal wheel 310. The universal wheels 310 are disposed on a side of the first sub-platform 110 facing away from the second sub-platform 120 and a side of the second sub-platform 120 facing away from the first sub-platform 110, and the support wheels 320 are disposed on a side of the second sub-platform 120 facing toward the first sub-platform 110.

When the welding device needs to be moved, the locking mechanism on the universal wheel 310 can be opened, and the welding platform 100 is pushed to move forwards on one side; after the universal wheel 310 is moved to a designated position, the locking mechanism on the universal wheel 310 can be locked again, so that the welding device is fixed. In addition, the area of the welding platform 100 is also conveniently expanded after the wheels are arranged, for example, when the area of the welding platform 100 is expanded, the universal wheel 310 on one of the first sub-platform 110 or the second sub-platform 120 can be opened, the corresponding sub-platform is pulled to move, and the universal wheel 310 is locked after the corresponding sub-platform is moved in place.

Referring to fig. 1 and fig. 2, in order to improve the welding quality, the welding device of the present embodiment further includes a welding positioning member 400, where the welding positioning member 400 includes two positioning rods 410 and a positioning plate 420, where the positioning rods 410 are used to provide support for the positioning plate 420, and the positioning plate 420 is used to provide positioning for a welding worker, so as to improve the quality of a welding seam.

Specifically, two positioning rods 410 are respectively disposed on two sides of welding platform 100, and positioning rods 410 may be fixed on welding platform 100 by welding or screwing. Two ends of the positioning plate 420 are sleeved on the two positioning rods 410 and can move along the positioning rods 410, a positioning through hole 421 is arranged on the positioning plate 420, and the positioning through hole 421 is long and extends along the axial direction of the positioning plate 420. When carrying out welding operation, can will treat welding parts again after aligning welding department of welding parts and positioning hole 421 and fix on welding platform 100, then through the distance between adjustment locating plate 420 and welding platform 100, make the height of locating plate 420 and the size looks adaptation of welding rod, the welder inserts the welding rod and welds in positioning hole 421, thereby can guarantee that the welding rod moves along positioning hole always, also can guarantee the quality of welding seam, thereby be favorable to promoting welding quality.

In an optional embodiment, the positioning rod 410 may be fixedly connected to the welding platform 100 by means of clamping or welding, and the positioning rod 410 is further sleeved with a locking member, two ends of the positioning plate 420 are sleeved on the positioning rod 410 by a sliding sleeve, and the sliding sleeve is located above the locking member. When the positioning plate 420 needs to be moved, the positioning plate 420 can be moved by opening the locking member, and the positioning plate 420 is locked by the locking member after being moved in place.

In another alternative embodiment, as shown in fig. 1 and 2, the positioning rod 410 may be a screw rod, and two ends of the positioning plate 420 are provided with threaded sleeves 430 with internal threads, and the threaded sleeves 430 are sleeved on the screw rod. The present embodiment enables the positioning plate 420 to move relatively along the positioning rod 410 by means of a threaded connection.

Optionally, the two positioning rods 410 may be respectively disposed on two fixing seats 200 disposed oppositely, in this embodiment, the positioning rod 410 is disposed on the fixing seats 200 on two sides of the second sub-platform 120, a positioning hole with an internal thread may be disposed on the fixing seat 200, one end of the positioning rod 410 is disposed in the positioning hole, the other end of the positioning rod 410 is connected to a driving member 440 for driving the positioning rod, the driving member 440 may be a hand wheel, and the driving member 440 may be welded and fixed at an end of the positioning rod 410.

In order to adjust the height of the positioning plate 420, the welding positioning member 400 further includes a transmission mechanism, the transmission mechanism includes a chain wheel 451 sleeved on the positioning rod 410 and a chain 452 connecting the two chain wheels 451, and the driving member 440 is disposed on one of the positioning rods 410. When the height of the positioning plate 420 needs to be adjusted, the rotating driving member 440 can drive one of the positioning rods 410 to move up and down relative to the positioning hole, and at this time, due to the existence of the transmission mechanism, the sprocket 451 on the positioning rod 410 rotates along with the positioning rod 410 and can drive the other positioning rod 410 to rotate through the rotation of the chain 452 and the sprocket 451 on the other positioning rod 410, so that the two positioning rods 410 synchronously move and move up and down relative to the positioning hole. The movement of the positioning rod 410 will drive the positioning plate 420 in threaded connection with the positioning rod to move, thereby realizing the adjustment of the height of the positioning plate 420. It should be noted that the thread direction on the two positioning rods 410 should be the same to ensure that the positioning rods 410 on both sides operate synchronously.

In order to protect the transmission mechanism and prevent the scrap material from being splashed on the transmission mechanism during welding and damaging the transmission mechanism, a shield 453 is further provided on the outer side of the chain 452.

When the welding device of the embodiment is used, the relative positions of the first sub-platform 110 and the second sub-platform 120 can be adjusted according to the length of a part to be welded; then, clamping two parts to be welded on the first sub-platform 110 and the second sub-platform 120 respectively by using the fixing seat 200, and aligning the welding surfaces of the two parts to be welded with the positioning through holes 421 above; the height of the positioning through hole 421 is adjusted to be matched with the length of the welding rod; finally, the welding rod is inserted into the positioning through hole 421 to weld the lower part to be welded.

In the embodiment, the area of the welding platform 100 is expanded by moving the first sub-platform 110 or the second sub-platform 120, so that the welding platform 100 can adapt to welding of parts with larger sizes, and the application range of the welding device is widened; the wheels are arranged below the welding platform 100, so that the welding device is convenient to move, and the welding operation position is not limited; through set up locating plate 420 on welding platform 100, thereby the moving direction of restriction welding rod in the positioning hole 421 of welding rod insertable on locating plate 420 to guarantee the quality of welding seam, improve welding quality, reduce the rejection rate.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A welding device, comprising:

2. The welding device of claim 1, wherein the first sub-platform comprises a main body and at least one overlapping portion, the second sub-platform is provided with at least one groove adapted to the overlapping portion, and the overlapping portion overlaps in the groove and can slide along the groove.

3. The welding device according to claim 2, wherein a sliding groove is formed in the groove, and a sliding rail adapted to the sliding groove is provided on the overlapping portion.

4. The welding device according to claim 3, wherein the sliding groove is provided on a side wall of the groove, and the groove is a dovetail groove or a T-shaped groove.

5. The welding device according to claim 2, wherein a sliding groove is formed in the groove, and a sliding block adapted to the sliding groove is provided on the overlapping portion.

6. Welding device according to any one of claims 1-5, wherein the holder comprises:

the retaining member is arranged in the fixing hole.

7. The welding device of claim 6, wherein the fixing holes are threaded holes, and the locking member comprises a bolt and a cushion pad, and the cushion pad is disposed on a side of the bolt facing the second fixing plate.

8. The welding device according to claim 6, comprising a plurality of holders, wherein the holders are arranged on both sides of the welding platform in groups of two.

9. The welding device according to claim 6, wherein a wheel is further arranged below the welding platform, and a locking mechanism is arranged on the wheel.

10. The welding device according to claim 9, wherein the wheel comprises a universal wheel and a support wheel, the universal wheel is arranged on a side of the first sub platform facing away from the second sub platform and on a side of the second sub platform facing away from the first sub platform, and the support wheel is arranged on a side of the second sub platform facing towards the first sub platform.

11. The welding device of claim 6, further comprising a welding locator, the welding locator comprising:

12. The welding device according to claim 11, wherein the positioning rod is fixedly connected to the welding platform, a locking piece is further sleeved on the positioning rod, two ends of the positioning plate are sleeved on the positioning rod through a sliding sleeve, and the sliding sleeve is located above the locking piece.

13. The welding device according to claim 11, wherein the positioning rod is a screw rod, and threaded sleeves with internal threads are arranged at two ends of the positioning plate and are sleeved on the screw rod.

14. The welding device according to claim 13, wherein the two positioning rods are respectively disposed on two oppositely disposed fixing seats, the fixing seats are provided with positioning holes having internal threads, one end of each positioning rod is disposed in the corresponding positioning hole, and the other end of each positioning rod is connected to a driving member for driving the corresponding positioning rod.

15. The welding device of claim 14, wherein the welding positioning element further comprises a transmission mechanism, the transmission mechanism comprises a sprocket wheel sleeved on the positioning rod and a chain connecting the two sprocket wheels, and the driving element is disposed on one of the positioning rods.

16. The welding device of claim 15, wherein a protective cover is further provided on the outside of the chain.