A kind of waste heat boiler semi-automatic welding device

Abstract

The application discloses a kind of waste heat boiler semi-automatic welding device, it is related to welding technical field, including rack, support seat, clamping body, lower pressure type feeding assembly, welding mechanism one, welding mechanism two, drive assembly and reset mechanism, the present application is positioned before the welding of guard plate and lifting lug by the aid of support seat and lower pressure type feeding assembly can be realized one-time, and under the action of welding mechanism one, the welding assembly of guard plate, lifting lug and waste heat boiler end is completed, and assembly efficiency is significantly improved;Welding mechanism two is also set, under the action of welding mechanism one and reset mechanism, the lower end of guard plate can be welded and handled, so as to improve the firmness of guard plate and waste heat boiler connection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, in particular to a semi-automatic welding device for a waste heat boiler. BACKGROUND

[0002] At present, a certain type of waste heat boiler produced by the company is provided with a lifting lug and a guard plate at the end thereof, and the two are independent modules before being assembled on the waste heat boiler. The previous method is to first position the guard plate and then weld and fix it on the end of the waste heat boiler, and then insert the lifting lug into the mounting portion on the guard plate from top to bottom, and then weld and fix it on the waste heat boiler by means of a welding gun. The above-mentioned welding method is low in efficiency and cannot realize semi-automatic or automatic production, which restricts the production capacity, so it is necessary to design a device that can solve the above-mentioned problems. SUMMARY

[0003] The purpose of the present application is to provide a semi-automatic welding device for a waste heat boiler to solve the above-mentioned defects caused by the prior art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a semi-automatic welding device for a waste heat boiler, comprising a rack, a supporting seat, a clamping body and a downward feeding assembly;

[0005] The rack comprises a vertical plate and a horizontal plate fixed to the upper and lower ends of the vertical plate, the supporting seat is installed on the horizontal plate at the lower end of the rack, and the back of the supporting seat is provided with a placing groove for placing the guard plate to be welded;

[0006] The clamping body is installed on the output end of the downward feeding assembly and is used for assembling the lifting lug to be welded;

[0007] The downward feeding assembly is installed on the rack and can drive the driving assembly to move along the guide hole in the guide frame by means of the "T"-shaped guide to realize the movement of the welding mechanism one, and the welding mechanism one is used to realize the welding of the upper part of the guard plate and the side part of the lifting lug;

[0008] The lower end of the supporting seat is also provided with a welding mechanism two which can move along the length direction of the guard plate, and the welding mechanism two can cooperate with the welding mechanism one by means of the reset mechanism to realize the horizontal movement of the welding mechanism two, and the welding mechanism two is used to realize the welding of the lower part of the guard plate.

[0009] Further, the welding mechanism one, the welding mechanism two, the driving assembly and the reset mechanism are provided with two groups and are symmetrically arranged on both sides of the lifting lug.

[0010] Further, the downward feeding assembly comprises a downward cylinder, a downward plate, a guide column one and a reset spring one.

[0011] The lower pressing cylinder is installed on the longitudinal driving mechanism and the output end thereof is connected to the lower pressing plate, the lower end of the guide column one is installed on the upper end of the clamping body, the upper end of the guide column one penetrates the lower pressing plate and is connected to the limiting nut, and the reset spring one is installed on the guide column one between the lower pressing plate and the clamping body.

[0012] Further, the longitudinal driving mechanism comprises a longitudinal cylinder and a cylinder seat, the longitudinal cylinder is installed on the transverse plate at the upper end and the output end thereof is connected to the cylinder seat, and the cylinder seat is slidably connected to the slide rail on the side surface of the vertical plate by means of the sliding block.

[0013] Further, the driving assembly comprises a longitudinal support, a support one, a support two and a connecting rod.

[0014] The longitudinal support is installed on the upper end of the supporting seat, the support one is slidably connected to the two slide rails arranged on the front surface of the longitudinal support by means of the sliding block, the support two is installed on the lower part of the longitudinal support, the reset spring two is installed between the support one and the support two, a longitudinal sliding hole is further arranged on the longitudinal support and located between the two slide rails, a slidable cross rod is installed in the sliding hole, one end of the cross rod is connected to the support one, and the other end of the cross rod is rotatably connected to the upper end of the connecting rod.

[0015] Further, the welding mechanism one comprises a guide pipe, a gun seat one and a limiting ring, the guide pipe is slidably arranged in the guide hole of the guide frame, one end of the guide pipe is connected to the gun seat one, the other end of the guide pipe is connected to the limiting ring, the welding gun one is installed on the front surface of the gun seat one and the welding head part of the welding gun one penetrates the guide pipe, and the lower end of the connecting rod is rotatably connected to the guide pipe between the gun seat and the guide frame.

[0016] Further, the welding mechanism two comprises a gun seat two, a welding gun two and a transverse support, the gun seat two is slidably connected to the slide rail at the lower end of the transverse support by means of the sliding block, and the welding gun two is installed on the gun seat two.

[0017] Further, the reset mechanism comprises a side bracket, a support three, a support four, a guide column two and a reset spring three.

[0018] The side bracket is in the shape of "L", the lower end of the side bracket is connected to the front surface of the gun seat two, the support three is installed on the upper end of the side bracket and can be matched with the welding gun one, the support four is installed on the side surface of the supporting seat by means of the base, one end of the guide column two is connected to the support three, the other end of the guide column two penetrates the support four and is connected to the limiting nut, and the reset spring three is installed on the guide column two between the support three and the support four.

[0019] Further, the guide hole is in the shape of "L".

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] 1. The present application can realize the positioning of the guard plate and the lifting lug before welding by means of the supporting seat and the downward feeding assembly, and the welding assembly one can complete the welding assembly of the guard plate, the lifting lug and the end of the waste heat boiler, thereby improving the assembly efficiency.

[0022] 2. The present application further sets the welding assembly two, which can weld the lower end of the guard plate under the action of the welding assembly one and the reset mechanism, thereby improving the firmness of the connection between the guard plate and the waste heat boiler. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view from the perspective two of the present application.

[0024] Figure 2 It is a partial detail view of A in the figure. Figure 1

[0025] Figure 3 It is a partial detail view of B in the figure. Figure 1

[0026] Figure 4 It is a structural schematic view from the perspective two of the present application.

[0027] Figure 5 It is a partial detail view of C in the figure. Figure 4

[0028] Figure 6 It is a partial view of the driving assembly and the guide frame of the present application.

[0029] Figure 7 It is a partial detail view of D in the figure. Figure 6

[0030] Figure 8 It is a partial detail view of E in the figure. Figure 6

[0031] Figure 9 It is a structural schematic view of the supporting seat.

[0032] Figure 10 It is an explosion view of the lifting lug and the guard plate.

[0033] Figure 11 It is a working schematic view of the present application.

[0034] Wherein:

[0035] 1 - frame, 10 - vertical plate, 11 - horizontal plate;

[0036] 2 - supporting seat, 20 - placing groove; 3 - clamping body;

[0037] 4 - downward feeding assembly, 40 - downward cylinder, 41 - downward plate, 42 - guide column one, 43 - reset spring one;​​​​​

[0038] 5-welding mechanism one, 50-guide tube, 51-gun seat one, 52-welding gun one, 53-limiting ring, 54-guide, 55-longitudinal driving mechanism, 550-longitudinal cylinder, 551-cylinder seat;

[0039] 6-welding mechanism two, 60-gun seat two, 61-welding gun two, 62-transverse support;

[0040] 7-guide frame, 70-guide hole;

[0041] 8-driving assembly, 80-longitudinal support, 81-support one, 82-support two, 83-connecting rod, 84-sliding hole, 85-cross bar, 86-reset spring two;

[0042] 9-reset mechanism, 90-side bracket, 91-support three, 92-support four, 93-guide column two, 94-reset spring three, 95-base;

[0043] 100-lifting lug, 200-heat shield, 300-waste heat boiler, 400-welding device. DETAILED DESCRIPTION

[0044] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0045] Please refer to Figures 1 to 10 The present application provides a technical solution:

[0046] A waste heat boiler semi-automatic welding device, comprising a rack 1, a supporting seat 2, a clamping body 3 and a downward feeding assembly 4, and the specific structure details are as follows:

[0047] The rack 1 comprises a vertical plate 10 and a horizontal plate 11 fixed to the upper and lower ends of the vertical plate 10, the supporting seat 2 is installed on the horizontal plate 11 at the lower end of the rack 1, and the back of the supporting seat 2 is provided with a placing groove 20 for placing a heat shield 200 to be welded. During assembly, the supporting seat 2 is first abutted to the end face of the waste heat boiler, and then the heat shield 200 to be welded can be placed in the placing groove 20 from top to bottom by hand, and the bottom of the heat shield 200 is supported by the horizontal plate 11 at the lower end.

[0048] The clamping body 3 is installed at the output end of the downward feeding assembly 4 and is used for assembling the lifting lug 100 to be welded, and the clamping body 3 can adopt a combined device of a clamping jaw cylinder and a cylinder seat 551, and the clamping jaw cylinder is located below.

[0049] The downward feeding assembly 4 is installed on the frame 1 and can push the driving assembly 8 to move to realize the movement of the welding mechanism I 5 along the guide hole 70 in the guide frame 7, specifically, the guide frame 7 is fixed to the upper end of the supporting seat 2, the guide hole 70 is in the shape of "L", and the welding mechanism I 5 is used to realize the welding of the upper part of the guard plate 200 and the side part of the lifting lug 100.

[0050] In the present application, the downward feeding assembly 4 comprises a downward cylinder 40, a downward plate 41, a guide column I 42 and a reset spring I 43, and the specific assembly relationship is as follows:

[0051] The downward cylinder 40 is installed on the longitudinal driving mechanism 55 and the output end thereof is connected to the downward plate 41, wherein the downward cylinder 40 can adopt a double-rod cylinder, the moving speed is set to be slow, the lower end of the guide column I 42 is installed on the upper end of the clamping body 3, the upper end of the guide column I 42 penetrates through the downward plate 41 and is connected to a limiting nut, and the reset spring I 43 is installed on the guide column I 42 between the downward plate 41 and the clamping body 3.

[0052] The lower end of the supporting seat 2 is also provided with a welding mechanism II 6 which can move along the length direction of the guard plate 200, and the welding mechanism II 6 can realize the horizontal movement of the welding mechanism II 6 by cooperating with the welding mechanism I 5 through the reset mechanism 9, and the welding mechanism II 6 is used to realize the welding of the lower part of the guard plate 200.

[0053] Among them, the welding mechanism I 5, the welding mechanism II 6, the driving assembly 8 and the reset mechanism 9 are provided with two groups and are symmetrically arranged on both sides of the lifting lug 100, so as to realize the local welding positioning of the upper and lower ends of the lifting lug 100 and the guard plate 200, and improve the firmness of the connection.

[0054] Specifically, the welding mechanism I 5 comprises a guide pipe 50, a gun seat I 51 and a limiting ring 53, the guide pipe 50 slides in the guide hole 70 on the guide frame 7, one end of the guide pipe 50 is connected to the gun seat I 51, the other end of the guide pipe 50 is connected to the limiting ring 53, a welding gun I 52 is installed on the front face of the gun seat I 51 and the welding head part of the welding gun I 52 penetrates through the guide pipe 50, and the lower end of the connecting rod 83 is rotationally connected to the guide pipe 50 between the gun seat and the guide frame 7.

[0055] Specifically, the welding mechanism II 6 comprises a gun seat II 60, a welding gun II 61 and a transverse support 62, the gun seat II 60 is slidingly connected to the slide rail at the lower end of the transverse support 62 through a sliding block, and the welding gun II 61 is installed on the gun seat II 60.

[0056] In the embodiment, the longitudinal driving mechanism 55 comprises a longitudinal cylinder 550 and a cylinder base 551, the longitudinal cylinder 550 is installed on the upper end of the horizontal plate 11 and the output end thereof is connected to the cylinder base 551, the cylinder base 551 is slidably connected to the slide rail on the side surface of the vertical plate 10 by means of a sliding block.

[0057] In the embodiment, the driving assembly 8 comprises a longitudinal support 80, a support one 81, a support two 82 and a connecting rod 83.

[0058] The longitudinal support 80 is installed on the upper end of the supporting base 2, the support one 81 is slidably connected to the two slide rails arranged on the front surface of the longitudinal support 80 by means of a sliding block, the support two 82 is installed on the lower part of the longitudinal support 80, a return spring two 86 is installed between the support one 81 and the support two 82, a longitudinal sliding hole 84 is arranged on the longitudinal support 80 and located between the two slide rails, a slidable horizontal rod 85 is installed in the sliding hole 84, one end of the horizontal rod 85 is connected to the support one 81, and the other end of the horizontal rod 85 is rotatably connected to the upper end of the connecting rod 83.

[0059] In the embodiment, the return mechanism 9 comprises a side bracket 90, a support three 91, a support four 92, a guide column two 93 and a return spring three 94.

[0060] The side bracket 90 is in the shape of "L", the lower end of the side bracket 90 is connected to the front surface of the gun base two 60, the support three 91 is installed on the upper end of the side bracket 90 and can be matched with the welding gun one 52, the support four 92 is installed on the side surface of the supporting base 2 by means of a base 95, one end of the guide column two 93 is connected to the support three 91, the other end of the guide column two 93 penetrates through the support four 92 and is connected to a limiting nut, and the return spring three 94 is installed on the guide column two 93 between the support three 91 and the support four 92.

[0061] The working process and principle of the present application are as follows:

[0062] Firstly, the frame 1 is placed at the end of the waste heat boiler by means of the mechanical hand, and the supporting base 2 abuts against the end surface of the waste heat boiler, then the to-be-welded guard plate 200 is placed in the placing groove 20 on the back surface of the supporting base 2, and the to-be-welded lug 100 is clamped in the clamping body 3, at this time, the downward pressing cylinder 40 is located at the highest point, so as to facilitate the feeding of the lug 100.

[0063] Then, the output end of the longitudinal cylinder 550 extends and drives the lower pressing cylinder 40 and the clamp body 3 to move downward until the lug 100 is completely inserted into the guard plate 200, then the output end of the longitudinal cylinder 550 stops extending, the output end of the lower pressing cylinder 40 extends, and continues to drive the lower pressing plate 41 to move downward, the support 81 is pressed to move downward under the action of the guide 54, the support 81 drives the connecting rod 83 to move downward and rotate, and further drives the welding mechanism 5 to move along the guide hole 70, at the same time, the switch of the welding gun 52 is opened, and the side surface of the lug 100 and the upper end of the guard plate 200 are welded and fixed synchronously.

[0064] When the welding mechanism 5 descends to the lowest point, it continues to move horizontally along the guide hole 70, in the process of horizontal movement, the welding gun 52 in the welding mechanism 5 contacts the support 91 and drives the support 91 and the welding gun 61 to move horizontally synchronously, at the same time, the switch of the welding gun 61 is opened, and the lower end of the guard plate 200 is welded and fixed synchronously, when the welding gun 52 moves horizontally to the end, the lower pressing cylinder 40 stops extending and starts retracting to reset, and the welding gun 52 and the welding gun 61 are closed and reset.

[0065] Through the above operation, the welding assembly of the lug 100 and the guard plate 200 is realized.

[0066] Based on the above, the present application can realize the positioning of the guard plate 200 and the lug 100 before welding by means of the supporting seat 2 and the lower pressing feeding assembly 4, and under the action of the welding mechanism 5, the welding assembly of the guard plate 200, the lug 100 and the end of the waste heat boiler is completed, which significantly improves the assembly efficiency; the welding mechanism 6 is also provided, which can weld the lower end of the guard plate 200 under the action of the welding mechanism 5 and the reset mechanism 9, thereby improving the firmness of the connection between the guard plate 200 and the waste heat boiler.

[0067] Figure 11 The relative position between the welding device 300 and the waste heat boiler 400 during the welding assembly is shown.

[0068] From the technical common sense, the present application can be realized by other embodiments without departing from the spirit or essential characteristics thereof. Therefore, the above disclosed embodiments are only examples in all aspects, and are not the only ones. All changes within the scope of the present application or within the scope equivalent to the present application are included in the present application.

Claims

1. A waste heat boiler semi-automatic welding device, characterized in that, It includes a frame (1), a support base (2), a clamping body (3), and a downward feeding assembly (4); The frame (1) includes a vertical plate (10) and a horizontal plate (11) fixed to the upper and lower ends of the vertical plate (10). The support (2) is installed on the horizontal plate (11) at the lower end of the frame (1). The back of the support (2) is provided with a placement groove (20) for placing the guard plate (200) to be welded. The clamping body (3) is installed at the output end of the pressure feeding assembly (4) and is used for the assembly of the lifting lug (100) to be welded; The downward feeding assembly (4) is mounted on the frame (1) and can drive the drive assembly (8) to move by means of the "T"-shaped guide (54) so ​​that the welding mechanism (5) moves along the guide hole (70) in the guide frame (7). The welding mechanism (5) is used to weld the upper part of the guard plate (200) and the side of the lifting lug (100). The lower end of the support (2) is also equipped with a welding mechanism two (6) that can move along the length of the guard plate (200). The welding mechanism two (6) can cooperate with the welding mechanism one (5) by means of the reset mechanism (9) to realize the horizontal movement of the welding mechanism two (6). The welding mechanism two (6) is used to realize the welding of the lower part of the guard plate (200). The drive assembly (8) includes a longitudinal support (80), a first support (81), a second support (82), and a connecting rod (83); The longitudinal support member (80) is installed on the upper end of the support seat (2). Support one (81) is slidably connected to two slide rails on the front of the longitudinal support member (80) by means of a slider. Support two (82) is installed on the lower part of the longitudinal support member (80). A reset spring two (86) is installed between support one (81) and support two (82). The longitudinal support member (80) is also provided with a longitudinal sliding hole (84) and located between the two slide rails. A slidable crossbar (85) is installed in the sliding hole (84). One end of the crossbar (85) is connected to support one (81), and the other end of the crossbar (85) is rotatably connected to the upper end of the connecting rod (83). The welding mechanism 1 (5) includes a guide tube (50), a gun holder 1 (51), and a limiting ring (53). The guide tube (50) slides in the guide hole (70) on the guide frame (7). One end of the guide tube (50) is connected to the gun holder 1 (51), and the other end of the guide tube (50) is connected to the limiting ring (53). The welding gun 1 (52) is installed on the front of the gun holder 1 (51), and the welding head of the welding gun 1 (52) passes through the guide tube (50). The lower end of the connecting rod (83) is rotatably connected to the guide tube (50) between the gun holder 1 (51) and the guide frame (7). The welding mechanism 2 (6) includes a gun holder 2 (60), a welding gun 2 (61) and a transverse support (62). The gun holder 2 (60) is slidably connected to the slide rail at the lower end of the transverse support (62) by means of a slider. The welding gun 2 (61) is mounted on the gun holder 2 (60). The guide hole (70) is L-shaped; When the welding mechanism one (5) drops to the lowest point, it continues to move horizontally along the guide hole (70). During the horizontal movement, the welding gun one (52) in the welding mechanism one (5) contacts the support three (91) and pushes the support three (91) to move horizontally synchronously with the welding gun two (61).

2. A kind of waste heat boiler semi-automatic welding device according to claim 1, characterized in that, The welding mechanism one (5), the welding mechanism two (6), the driving assembly (8) and the reset mechanism (9) are provided with two groups and symmetrically arranged on both sides of the lug (100).

3. A kind of waste heat boiler semi-automatic welding device according to claim 1, characterized in that, The downward feeding assembly (4) comprises a downward cylinder (40), a downward plate (41), a guide column one (42) and a reset spring one (43). The downward cylinder (40) is installed on the longitudinal driving mechanism (55) and its output end is connected to the downward plate (41). The lower end of the guide column one (42) is installed on the upper end of the clamping body (3). The upper end of the guide column one (42) penetrates the downward plate (41) and is connected to a limiting nut. The reset spring one (43) is installed on the guide column one (42) between the downward plate (41) and the clamping body (3).

4. A waste heat boiler semi-automatic welding device according to claim 3, characterized in that, The longitudinal driving mechanism (55) comprises a longitudinal cylinder (550) and a cylinder seat (551). The longitudinal cylinder (550) is installed on the horizontal plate (11) at the upper end and its output end is connected to the cylinder seat (551). The cylinder seat (551) is slidably connected to the slide rail on the side surface of the vertical plate (10) by means of a sliding block.

5. A kind of waste heat boiler semi-automatic welding device according to claim 1, characterized in that, The reset mechanism (9) comprises a side bracket (90), a support three (91), a support four (92), a guide column two (93) and a reset spring three (94). The side bracket (90) is "L" shaped. The lower end of the side bracket (90) is connected to the front surface of the gun seat two (60). The support three (91) is installed on the upper end of the side bracket (90) and can cooperate with the welding gun one (52). The support four (92) is installed on the side surface of the supporting seat (2) by means of a base (95). One end of the guide column two (93) is connected to the support three (91). The other end of the guide column two (93) penetrates the support four (92) and is connected to a limiting nut. The reset spring three (94) is installed on the guide column two (93) between the support three (91) and the support four (92).

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