Tool convenient to weld

Abstract

The utility model discloses a tool convenient for welding, which comprises a bottom fixing part, a workbench, a limiting structure, a transverse adjusting part, a longitudinal adjusting part, a partition plate, a positioning pile and an inner limiting seat, the upper butt-joint structure comprises an adsorption frame and butt-joint pins, when the adsorption frame moves the front panel in place, the electric assemblies push out the butt-joint pins to be connected with the connecting buckles, and when the welding manipulator moves to the front ends of the butt-joint pins, the corresponding electric assemblies drive the corresponding butt-joint pins to retract; the inner side detection structure comprises an outer pushing piece and a side seam detection piece, when the side plate of the heat sink plate is in place, the outer pushing piece pushes out the side seam detection piece, and the front face plate of the descending heat sink plate is attached to the middle position of the side seam detection piece, the coherence of the whole welding process can be guaranteed, meanwhile, the attaching effect of the side seam can be detected and determined, and the welding quality is improved. And it is ensured that the whole edge seam is in a continuous and high-strength state after welding.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool, in particular to a tool convenient to weld. BACKGROUND

[0002] The vacuum heat sink plate, also called condensing plate, is filled with gas inside and is used for heat dissipation, mainly applied to thermal vacuum test equipment, matched with vacuum container, vacuum air extraction system, high and low temperature adjusting system, control and data acquisition and processing system, can simulate the vacuum environment, external heat flow environment and cold black environment of space, test aerospace engineering products and materials, and in order to ensure the air tightness, the strict joint needs to be ensured during welding.

[0003] In order to ensure the precision during the welding of the traditional vacuum heat sink plate, the plate pieces of the heat sink plate are placed into the tool, the positions between the various plate pieces are regulated through the limitation of the tool, and the sealing property during welding is improved, but the cooperation degree between the various plate pieces is not enough when the welding mode is adopted, the welding effect of the edge joint is difficult to ensure, therefore, the structure of connecting between the different plate pieces is arranged in the prior art, so that the different plate pieces have a certain cooperation relationship before welding, but the whole welding process is discontinuous in this way, the position of the connection and cooperation is disconnected, so that the whole welding seam is discontinuous, and the single-point air leakage is prone to occur in the later use process, and the air tightness is greatly affected. UTILITY MODEL CONTENTS

[0004] The tool convenient to weld can not only form the connection between the plate pieces to be welded, but also ensure the continuity of the whole welding process, can detect and determine the fitting effect of the edge joint, ensure that the whole edge joint is in the state of continuity and high strength after welding, the welding seam is not prone to crack from the edge joint position, the air tightness of the whole product after welding is high, and the above problems can be solved effectively.

[0005] The utility model is realized as follows:

[0006] A tool convenient to weld, containing a bottom fixing frame, the top of bottom fixing frame is provided with workbench, the inner side of workbench is provided with limiting structure, limiting structure contains a plurality of lateral horizontal adjusting pieces arranged on the inner side of workbench and a plurality of longitudinal adjusting pieces arranged on the bottom of inner side of workbench, and it further includes:

[0007] Detachable inner limiting structure, the middle position of workbench is provided with a partition plate, the detachable inner limiting structure contains a positioning pile arranged on the partition plate, an inner limiting seat is movably locked on the positioning pile, and the inner limiting seat is spaced apart from the horizontal adjusting piece and the bottom of inner side of workbench;

[0008] The upper butt joint structure comprises a suction frame arranged above the workbench, the suction frame is used for sucking the front panel of the heat sink plate, and the suction frame is provided with a plurality of butt joint pins on the lateral side, the butt joint pins are driven by an electric component, when the suction frame moves the front panel to the position, the electric component pushes the butt joint pins out and connects with the connecting buckles, and when the welding manipulator moves to the front end of the butt joint pins, the corresponding electric component drives the corresponding butt joint pin to retract.

[0009] As a further improvement, the bottom of the longitudinal adjusting piece is provided with a sliding rail, the direction of the sliding rail is communicated with the movement direction of the transverse adjusting piece, and two longitudinal adjusting pieces in the same column are arranged on the sliding rail.

[0010] As a further improvement, the positioning pile is provided with a bolt hole, and the inner limiting seat is provided with a counterbore, and the inner limiting seat is locked on the positioning pile through a bolt.

[0011] As a further improvement, the suction frame comprises a slidingly arranged steel truss, the top of the steel truss is provided with a hydraulic oil cylinder, and a plurality of suction members are mounted below the steel truss, the suction members are used for sucking the unprocessed front panel to the inner limiting seat and sucking the welded workpiece to the next work station.

[0012] As a further improvement, the suction member comprises a lower adjusting cylinder, the bottom of the lower adjusting cylinder is connected with a large suction disc, the inner side of the large suction disc is provided with a small suction disc, and the large suction disc and the small suction disc are connected with an external negative pressure structure.

[0013] As a further improvement, the connecting buckle comprises an ear seat fixed above the workbench, and the inner side of the ear seat is provided with an eccentric hole.

[0014] As a further improvement, the electric component comprises a rotating motor arranged in the inner side of the steel truss, the output end of the rotating motor is provided with an electric push rod, the output end of the electric push rod is movably mounted with a butt joint pin, and the rotating motor drives the butt joint pin to rotate.

[0015] As a further improvement, the butt joint pin comprises a butt joint rod connected with the electric push rod, the butt joint rod penetrates through the eccentric hole, one side of the butt joint rod close to the eccentric hole is connected with an eccentric piece, and the eccentric piece is hooked on the outer side of the eccentric hole when the eccentric piece rotates upwards.

[0016] The beneficial effects of the utility model are:

[0017] In the existing tooling, mostly adopt clamping fixed mode, when welding plane structure, may not affect much, but when welding edge seam, easy to appear edge seam not neat, welding disconnected phenomenon, therefore, the utility model discloses a through transverse adjusting piece, longitudinal adjusting piece and upper portion butt joint structure the front panel and side plate of the heat sink plate to be welded are fixed on the outside of the inner limiting seat, so that the best welding position of the edge seam can be found better when welding, and the edge seam is not easy to break after welding, and the air tightness after welding can be guaranteed.

[0018] The thickness of the side plate of the heat sink plate of different specifications can be different, so in order to enable the longitudinal adjusting piece to accurately adjust the longitudinal position of the side plate, the utility model sets the longitudinal adjusting piece on the slide rail, so that the position of the longitudinal adjusting piece can be adjusted and can always be located at the lower end of the side plate, and does not interfere with the transverse adjusting piece when adjusting the position of the side plate.

[0019] And because the size of the heat sink plate welded each time can be different, if the style of the inner limiting seat is directly set to a fixed type, the tooling will become a single size tooling, therefore, the utility model sets the inner limiting seat and the positioning pile as detachable, so that the corresponding size of the inner limiting seat can be replaced according to the size of the heat sink plate, thereby improving the adaptability of the utility model.

[0020] After the inner limiting seat cooperates with the positioning pile, in order to avoid the locking and fixing structure between the inner limiting seat and the positioning pile interfering with the normal installation of the front panel, the utility model adopts the design of a countersunk hole, so that the locking structure between the two can be retracted, thereby avoiding interference with the front panel.

[0021] The position cooperation of the heat sink plate front panel and the side plate is the most important, directly determines the edge seam strength after welding, therefore, the utility model first uses the suction frame to adsorb the entire front panel to the accurate position during the fixing process of the front panel, and then pushes out the butt pin through the electric assembly and connects with the connecting buckle on the workbench, so that the position of the entire front panel in the longitudinal and transverse directions no longer changes, and the position of the longitudinal adjusting piece and the transverse adjusting piece does not change, so that the position of the side plate of the heat sink plate does not change, thereby forming stable cooperation of the two plates, and when the welding robot gradually approaches the electric assembly, the corresponding area of the electric assembly will retract, and the electric assembly of the front end that has been welded will rotate and push out again, forming local area giving way and multi-area connection limiting, thereby ensuring the position accuracy during welding.

[0022] When adsorbing the front panel, since there are some recessed areas on the heat sink plate, if only a conventional suction cup structure is used for adsorption, it is easy for the recessed positions to not be adsorbed. Therefore, the adsorption part of the utility model includes a large suction cup and a small suction cup. The length of the small suction cup is slightly longer than that of the large suction cup, so that it can be adsorbed to the recessed position, so that it can be more stable when transporting the front panel, and it can reach the predetermined position more accurately.

[0023] When the electric component is matched with the connecting buckle, the connecting buckle and the electric component are not matched with the normal shaft hole. The docking pin of the electric component is set eccentrically, and an eccentric piece is matched with the outer side of the eccentric hole to achieve extension and limitation, thereby stabilizing the entire upper docking structure in one area. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a structural diagram of the present utility model.

[0026] Figure 2 It is a structural schematic diagram of the utility model without the external frame.

[0027] Figure 3 This utility model Figure 2 Front view of .

[0028] Figure 4 It is a structural schematic diagram of the upper docking structure of the utility model (first perspective).

[0029] Figure 5 It is a structural schematic diagram of the upper docking structure of the utility model (second viewing angle).

[0030] Figure 6 It is a three-dimensional diagram of the inner side detection structure of the utility model.

[0031] Figure 7 This utility model Figure 6 Front view of . DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] Referring to Figures 1-7As shown, a welding tooling device comprises a bottom fixing frame 10, an upper workbench 20 is arranged on the bottom fixing frame 10, a limiting structure is arranged on the inner side of the workbench 20, the limiting structure comprises a plurality of lateral adjusting members 31 arranged on the inner side of the workbench 20 and a plurality of longitudinal adjusting members 32 arranged on the bottom of the inner side of the workbench 20, and further comprises: a detachable inner limiting structure, a partition plate 21 is arranged at the middle position of the workbench 20, the detachable inner limiting structure comprises a positioning pile arranged on the partition plate 21, an inner limiting seat 42 is movably locked on the positioning pile, and the inner limiting seat 42 is arranged at intervals with the lateral adjusting members 31 and the bottom of the inner side of the workbench 20; an upper butt joint structure 50, a plurality of connecting buckles 22 are arranged on the top of the workbench 20, the upper butt joint structure 50 comprises a suction frame 51 arranged above the workbench 20, the suction frame 51 is used for adsorbing the front panel of the heat sink plate, a plurality of butt joint pins 52 are arranged on the lateral side of the suction frame 51, the butt joint pins 52 are driven by an electric assembly 53, when the suction frame 51 moves the front panel to the position, the electric assembly 53 pushes the butt joint pins 52 out and connects with the connecting buckles 22, and when the welding robot moves to the front end of the butt joint pin 52, the corresponding electric assembly 53 drives the corresponding butt joint pin 52 to retract; an inner side detection structure 60, two top corners of the inner limiting seat 42 are opened, the inner side detection structure 60 comprises an outer pushing member 61 arranged in the inner limiting seat 42, a side seam detection piece 62 is arranged on the top of the outer pushing member 61, when the side plate of the heat sink plate is in place, the outer pushing member 61 pushes the side seam detection piece 62 out, and the front panel of the heat sink plate descending is attached to the middle position of the side seam detection piece 62.

[0035] In the embodiment, the whole tooling device is two stations, that is, the welding of two heat sink plates can be carried out at the same time, and the whole welding process is to weld the front panel and the two side panels of the heat sink plate together, and then weld the back panel in the next station. During the transfer, the whole suction frame 51 is moved by an external frame, wherein the principle of the external frame is the same as that of the existing frame, so it is not described in detail here.

[0036] The position of the workbench 20 away from the partition plate 21 is an opening direction, but in the case of long-term non-use, it can be sealed by a sealing plate.

[0037] In the existing tooling, mostly adopts the clamping fixed mode, when welding the plane structure, it may not have much influence, but when welding the edge seam, it is easy to appear the edge seam is not neat, the welding is disconnected phenomenon, therefore, the utility model discloses a through transverse adjusting piece 31, longitudinal adjusting piece 32 and upper butt joint structure 50 the front panel and the side plate of the heat sink plate to be welded are fixed on the outside of the inner limiting seat 42, so that the best welding position of the edge seam can be found better when welding, and the edge seam is not easy to break after welding, and the air tightness after welding can be guaranteed.

[0038] The thickness of the side plate of the heat sink plate of different specifications can be different, so in order to enable the longitudinal adjusting piece 32 to accurately adjust the longitudinal position of the side plate, the bottom of the longitudinal adjusting piece 32 of the embodiment is provided with a slide rail, the direction of the slide rail is communicated with the movement direction of the transverse adjusting piece 31, and two longitudinal adjusting pieces 32 in the same column are arranged on the slide rail. By arranging the longitudinal adjusting piece 32 on the slide rail, the position of the longitudinal adjusting piece 32 can be adjusted, and the longitudinal adjusting piece 32 can always be located at the lower end of the side plate, so that the longitudinal adjusting piece 32 does not interfere with the transverse adjusting piece 31 when adjusting the position of the side plate.

[0039] And since the size of the heat sink plate welded each time can be different, if the style of the inner limiting seat 42 is directly set to a fixed type, the tooling will become a single size tooling, therefore, the inner limiting seat 42 and the positioning pile are detachably arranged in the utility model, so that the inner limiting seat 42 of the corresponding size can be replaced according to the size of the heat sink plate, thereby improving the adaptability of the utility model.

[0040] After the inner limiting seat 42 cooperates with the positioning pile, in order to avoid that the locking and fixing structure between the inner limiting seat 42 and the positioning pile interferes with the normal installation of the front panel, the positioning pile is provided with a bolt hole, and the inner limiting seat 42 is provided with a countersunk hole, the inner limiting seat 42 is locked on the positioning pile through a bolt, and the design of the countersunk hole enables the locking structure between the two to be retracted, thereby avoiding interference with the front panel.

[0041] The position cooperation of the front plate and the side plate of the heat sink plate is the most important, which directly determines the strength of the joint after welding, therefore, the suction frame 51 comprises a sliding steel truss 511, the top of the steel truss 511 is provided with a hydraulic oil cylinder 513, and a plurality of suction members 512 are installed below the steel truss 511, the suction members 512 are used to suction the unprocessed front plate to the inner limiting seat 42 and suction the workpiece after welding to the next work station, in the fixing process of the front plate, the suction frame 51 is used to suction the entire front plate to the accurate position first, then the butt joint pin 52 is pushed out by the electric assembly 53 and connected with the connecting buckle 22 on the workbench 20, so that the position of the entire front plate in the longitudinal direction and the transverse direction is no longer changed, and the position of the transverse adjusting member 31 and the longitudinal adjusting member 32 is not changed, so that the position of the side plate of the heat sink plate is also not changed, thereby forming the stable cooperation of the two plates, and when the welding manipulator gradually approaches the electric assembly 53, the electric assembly 53 in the corresponding area is retracted, and the electric assembly 53 of the front end that has been welded is rotated and pushed out again, thereby forming the local area of the giving way and the multi-area connection limiting, so as to ensure the position accuracy in the welding process, and the principle of automatic retraction and automatic rotation of the electric assembly 53 is that a time relay is arranged on the driving end of the electric assembly 53, since the welding surface is fixed and the welding time is fixed, a certain movement cycle is arranged on the time relay, so that the electric assembly 53 is continuously alternately circulated, thereby forming a benign and continuous cycle.

[0042] The connection and operation principle of the hydraulic oil cylinder 513 and the steel truss 511 is the same as that of the existing transfer structure, therefore, it is not described in detail here.

[0043] When the front plate is suctioned, since there are some recessed areas on the heat sink plate, if only the conventional suction disc structure is used for suction, the recessed position cannot be suctioned, therefore, the suction member 512 comprises a lower adjusting cylinder 5121, the bottom of the lower adjusting cylinder 5121 is connected with a large suction disc 5122, the inner side of the large suction disc 5122 is provided with a small suction disc 5123, and the large suction disc 5122 and the small suction disc 5123 are connected with an external negative pressure structure, wherein the suction member 512 comprises the large suction disc 5122 and the small suction disc 5123, the length of the small suction disc 5123 is slightly longer than that of the large suction disc 5122, so that the recessed position can be suctioned, thereby the transfer of the front plate is more stable, and the predetermined position can be more accurately reached.

[0044] When the electric assembly 53 is matched with the connecting buckle 22, the connecting buckle 22 and the electric assembly 53 are not normal shaft hole matched, the connecting buckle 22 comprises an ear seat fixed above the workbench 20, an eccentric hole is arranged in the ear seat, the electric assembly 53 comprises a rotating motor 531 arranged in the inside of the steel truss 511, an electric push rod 532 is arranged on the output end of the rotating motor 531, a docking pin 52 is movably arranged on the output end of the electric push rod 532, the rotating motor 531 drives the docking pin 52 to rotate, the docking pin 52 of the electric assembly 53 is arranged in an eccentric manner, and the docking pin 52 is matched with the outside of the eccentric hole through an eccentric piece 522, so that the extension and the limiting can be realized, and the whole upper docking structure 50 is stably arranged in a region.

[0045] The docking pin 52 is not only a shaft pipe, the docking pin 52 comprises a docking rod 521 locked with the electric push rod 532, the docking rod 521 penetrates the eccentric hole, the docking rod 521 is connected with the eccentric piece 522 on the side close to the eccentric hole, the eccentric piece 522 is hooked on the outside of the eccentric hole when being rotated to the upper side, when the eccentric piece 522 is located at the lower end, the docking rod 521 can normally pass through the eccentric hole, and when the eccentric piece 522 is rotated to the upper end by the rotating motor 531, the whole docking rod 521 is clamped on the outside of the ear seat and cannot be retracted, so that the left and right directions of the steel truss 511 are limited.

[0046] Since the whole welding process is unmanned welding, whether the front panel and the side plate are all transported to the position can not be observed by manual observation, therefore, the inside detection structure 60 is arranged, after the side plate is positioned, the edge joint detection piece 62 is pushed out by the outward pushing piece 61, the edge joint detection piece 62 is attached to the top corner of the side plate, if the front panel normally descends, the edge joint detection piece 62 is attached to the middle part of the edge joint detection piece 62, the warning area of the edge joint detection piece 62 is not touched, so that it is indicated that the front panel is positioned at this time, if the warning area of the edge joint detection piece 62 is touched and the edge joint detection piece 62 is damaged, it is indicated that the front panel deviates from the original position, and the equipment needs to be re-adjusted.

[0047] The whole outward pushing piece 61 is arranged in an inclined mode, the outward pushing piece 61 comprises an arc-shaped mounting frame 611 fixed in the inside of the inside limiting seat 42, the arc-shaped mounting frame 611 is provided with a telescopic cylinder 612 in the inside, the edge joint detection piece 62 is locked on the output end of the telescopic cylinder 612, the edge joint detection piece 62 is movably locked on the shelf of the output end of the telescopic cylinder 612, and even after deformation, the edge joint detection piece 62 can be replaced in time.

[0048] The edge joint detection piece 62 is divided into a normal detection area and an abnormal detection area. Specifically, the edge joint detection piece 62 comprises a thin piece 621 connected with the telescopic air cylinder 612. When the thin piece 621 is pushed out, it passes through the opening at the top corner of the inner limiting seat 42. After the front panel moves downward, it is pressed against the middle position of the thin piece 621. The two sides of the middle position of the thin piece 621 are provided with piezoelectric sheets 622. When the front panel is normally positioned, the middle position of the thin piece 621 will be touched. When the position of the front panel is abnormal, the piezoelectric sheets 622 will be touched, and then the equipment needs to be stopped for debugging, so that the accuracy of the welding point can be detected in real time when no one loads.

[0049] The preferred embodiments of the present application have been described above by way of example only, not for limitation, for those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixture to facilitate welding, characterized by, The utility model provides a kind of welding machine, including a bottom fixing frame (10), the upper portion of the bottom fixing frame (10) is provided with workbench (20), the inner side of the workbench (20) is provided with limiting structure, the limiting structure includes the lateral several transverse adjusting pieces (31) being arranged in the inner side of workbench (20) and the several longitudinal adjusting pieces (32) being arranged in the bottom of the inner side of workbench (20), further comprising: Detachable inner limiting structure, the middle position of the workbench (20) is provided with a partition plate (21), the detachable inner limiting structure includes a positioning pile arranged on the partition plate (21), an inner limiting seat (42) is movably locked on the positioning pile, and the inner limiting seat (42) is spaced apart from the transverse adjusting piece (31) and the bottom of the inner side of the workbench (20); Upper docking structure (50), the top of the workbench (20) is provided with several connecting buckles (22), the upper docking structure (50) includes a suction frame (51) located above the workbench (20), the suction frame (51) is used to suck the front panel of heat sink plate, the lateral of the suction frame (51) is provided with several docking pins (52), the docking pins (52) are driven by an electric assembly (53), when the suction frame (51) moves the front panel to the position, the electric assembly (53) pushes the docking pins (52) out and connects with the connecting buckle (22), and when the welding robot moves to the front end of the docking pin (52), the corresponding electric assembly (53) drives the corresponding docking pin (52) to retract.

2. A fixture for facilitating welding as defined in claim 1, wherein The bottom of the longitudinal adjusting piece (32) is provided with a slide rail, the direction of the slide rail is communicated with the movement direction of the transverse adjusting piece (31), and the two longitudinal adjusting pieces (32) in the same column are arranged on the slide rail.

3. The tooling for facilitating welding of claim 1, wherein, The positioning pile is provided with a bolt hole, and the inner limiting seat (42) is provided with a countersunk hole, and the inner limiting seat (42) is locked on the positioning pile by a bolt.

4. The tooling for facilitating welding of claim 1, wherein, The suction frame (51) includes a slidingly arranged steel truss (511), the top of the steel truss (511) is provided with a hydraulic oil cylinder (513), and the lower portion of the steel truss (511) is provided with a plurality of suction members (512), the suction members (512) are used to suck the unprocessed front panel to the inner limiting seat (42), and the workpiece after welding is sucked to the next station.

5. A fixture for facilitating welding as defined in claim 4, wherein, The suction member (512) includes a lower adjusting cylinder (5121), the bottom of the lower adjusting cylinder (5121) is connected with a large suction disc (5122), the inner side of the large suction disc (5122) is provided with a small suction disc (5123), and the large suction disc (5122) and the small suction disc (5123) are connected with an external negative pressure structure.

6. A fixture for facilitating welding as defined in claim 5, wherein, The connecting buckle (22) includes an ear seat fixed above the workbench (20), and the inner side of the ear seat is provided with an eccentric hole.

7. A fixture for facilitating welding as defined in claim 6, wherein, The electric component (53) comprises a rotating motor (531) arranged inside a steel truss (511), an electric push rod (532) is arranged on the output end of the rotating motor (531), a docking pin (52) is movably arranged on the output end of the electric push rod (532), and the rotating motor (531) drives the docking pin (52) to rotate.

8. A fixture for facilitating welding as defined in claim 7, wherein, The docking pin (52) comprises a docking rod (521) locked with the electric push rod (532), the docking rod (521) penetrates an eccentric hole, and an eccentric piece (522) is connected to one side of the docking rod (521) close to the eccentric hole, and the eccentric piece (522) is hooked to the outside of the eccentric hole when it rotates upwards.

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