Welding device for pressure vessel production

Abstract

The utility model relates to the technical field of pressure vessel production, in particular to a welding device for pressure vessel production, which comprises a base, first sliding rails are fixedly mounted at the front end and the rear end of the top of the base, a driving mechanism is arranged at the left end of the top of the base, and a supporting mechanism is arranged in the center of the top of the base. An extrusion mechanism is arranged at the right end of the top of the base, and L-shaped frames are fixedly installed at the left end and the right end of the back face of the base. According to the welding device for pressure vessel production, by arranging the supporting mechanism and the extruding mechanism, fixing of a pressure tank body and a cover plate can be achieved, spot welding in advance is not needed, the welding efficiency of the pressure vessel is improved, and the problem that when an existing pressure vessel welding device is used for welding, welding is not needed is solved. The problems that the outer wall of the pressure container and cover plates on the two sides need to be fixed together in a spot welding mode in advance, then a welding device is used for girth welding, and the welding efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel production technical field, concretely for a kind of welding device for pressure vessel production. BACKGROUND

[0002] Pressure vessel is a kind of pressure-resistant closed container. The use of pressure vessel is extremely wide, it has important position and function in many departments such as industry, civil, military and many fields of scientific research. Among them, the most in the chemical industry and petrochemical industry, only the pressure vessel applied in petrochemical industry accounts for about 50% of the total number of all pressure vessels, pressure vessel in chemical and petrochemical field, mainly used for heat transfer, mass transfer, reaction and other process, as well as storage, transportation of pressure gas or liquefied gas.

[0003] The prior pressure vessel welding device needs to fix the outer wall of the pressure vessel and the cover plates on both sides together by spot welding before welding, and then uses the welding device to perform girth welding, so the welding efficiency is low, and therefore a welding device for pressure vessel production is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a welding device for pressure vessel production, which has the advantages of improving welding efficiency, and solves the problem of low welding efficiency of the prior pressure vessel welding device when welding, which needs to fix the outer wall of the pressure vessel and the cover plates on both sides together by spot welding before welding, and then uses the welding device to perform girth welding.

[0005] To achieve the above object, the utility model provides the following technical scheme: a welding device for pressure vessel production, comprising a base, the top of the base is fixedly installed with first sliding rails at both front and rear ends, the top left end of the base is provided with a driving mechanism, the top center of the base is provided with a supporting mechanism, the top right end of the base is provided with an extrusion mechanism, the back of the base is fixedly installed with L-shaped frames at both left and right ends, the top of the L-shaped frame is fixedly installed with a crossbar, the front side of the crossbar is slidably installed with a welding gun, and the crossbar is provided with an adjusting mechanism.

[0006] Further, the driving mechanism comprises a box body, a speed reducer and a first extrusion disc, the top left end of the base is fixedly installed with a box body, the inner wall right side of the box body is fixedly installed with a speed reducer, the output end of the speed reducer penetrates and extends to the outside of the box body, and the output end of the speed reducer is fixedly installed with a first extrusion disc.

[0007] Further, the supporting mechanism comprises a first sliding sleeve, a horizontal plate, an electric push rod, a top plate, a V-shaped supporting block and a first fixing bolt, the outer peripheral wall center of each of the two first sliding rails is slidably sleeved with a first sliding sleeve, and the opposite side of each of the two first sliding sleeves is fixedly installed with a horizontal plate, the top of each of the horizontal plates is embedded with an electric push rod, the output end of each of the electric push rods is fixedly installed with a top plate, the top center of each of the top plates is fixedly installed with a V-shaped supporting block, and the side, away from each other, of the first sliding sleeves at the front and back is threadedly connected with a first fixing bolt penetrating through the first sliding sleeve and in contact with the first sliding rail.

[0008] Further, the supporting mechanism comprises a first sliding sleeve, a horizontal plate, an electric push rod, a top plate, a V-shaped supporting block and a first fixing bolt, the outer peripheral wall center of each of the two first sliding rails is slidably sleeved with a first sliding sleeve, and the opposite side of each of the two first sliding sleeves is fixedly installed with a horizontal plate, the top of each of the horizontal plates is embedded with an electric push rod, the output end of each of the electric push rods is fixedly installed with a top plate, the top center of each of the top plates is fixedly installed with a V-shaped supporting block, and the side, away from each of the first sliding sleeves at the front and back, is threadedly connected with a first fixing bolt penetrating through the first sliding sleeve and in contact with the first sliding rail.

[0009] Further, the adjusting mechanism comprises a sliding rod, a U-shaped sliding block, an L-shaped plate, a vertical plate, a limiting rod, a sliding seat, a mounting seat, a linear module and a laser lamp, the top center and the front center of the horizontal frame are fixedly installed with a sliding rod, the outer peripheral wall of the upper sliding rod and the outer peripheral wall of the lower sliding rod are slidably sleeved with two U-shaped sliding blocks, the L-shaped plate is fixedly installed on the upper and lower U-shaped sliding blocks, the laser lamp is fixedly installed on the front surface of the L-shaped plate, the vertical plates are fixedly installed at the front and back ends of the top of the L-shaped plate, the limiting rods are fixedly installed on the opposite sides of the left and right vertical plates, the sliding seats are slidably sleeved on the outer peripheral walls of the left and right limiting rods, the mounting seat is fixedly installed on the top of the sliding seat, the linear module is fixedly installed on the front surface of the mounting seat, the welding gun is fixedly installed on the output end of the linear module, the gas cylinder is embedded on the back center of the rear vertical plate, and the output end of the gas cylinder is fixedly connected with the back center of the sliding seat.

[0010] Further, the back surface of the upper U-shaped sliding block is threadedly connected with a third fixing bolt penetrating through the U-shaped sliding block and in contact with the upper sliding rod.

[0011] Compared with the prior art, the technical scheme has the following beneficial effects:

[0012] 1. The welding device for pressure vessel production, through the setting of the supporting mechanism and the extrusion mechanism, the fixing of the pressure tank body and the cover plate can be realized, the pre-point welding is not needed, the welding efficiency of the pressure vessel is improved, and the problem of low welding efficiency of the existing pressure vessel welding device is solved when welding, that is, the outer wall of the pressure vessel and the cover plates on both sides are fixed together through point welding, and then the welding device is used for girth welding.

[0013] 2. The welding device for pressure vessel production, through the setting of the supporting mechanism, the fixing of pressure tank bodies with different diameters can be realized, the position of the welding gun can be adjusted by operating the adjusting mechanism, the welding gun can adapt to the welding of pressure tank bodies with different diameters, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model extrusion mechanism;

[0016] Figure 3 It is a left view of the utility model;

[0017] Figure 4 It is a structural schematic view of the utility model Figure 3 It is an enlarged view of A in the utility model.

[0018] In the drawing: 1 base, 2 first slide rail, 3 drive mechanism, 31 box body, 32 speed reducer motor, 33 first extrusion disc, 4 L-shaped frame, 5 cross frame, 6 welding gun, 7 adjusting mechanism, 71 sliding rod, 72 U-shaped sliding block, 73 L-shaped plate, 74 vertical plate, 75 limiting rod, 76 sliding seat, 77 mounting seat, 78 linear module, 79 laser lamp, 8 extrusion mechanism, 81 protruding block, 82 second sliding sleeve, 83 second fixing bolt, 84 hydraulic push rod, 85 second extrusion disc, 9 supporting mechanism, 91 first sliding sleeve, 92 horizontal plate, 93 electric push rod, 94 top plate, 95 V-shaped supporting block, 96 first fixing bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4The welding device for pressure container production in the embodiment comprises a base 1, first sliding rails 2 fixedly installed at the top of the base 1 at the front and rear ends, a driving mechanism 3 arranged at the top left end of the base 1, a supporting mechanism 9 arranged at the top center of the base 1, an extrusion mechanism 8 arranged at the top right end of the base 1, L-shaped frames 4 fixedly installed at the left and right ends of the back of the base 1, horizontal frames 5 fixedly installed at the top of the L-shaped frames 4, welding guns 6 slidingly installed at the front side of the horizontal frames 5, and adjusting mechanisms 7 arranged on the horizontal frames 5.

[0021] In the embodiment, the driving mechanism 3 comprises a box body 31, a speed reducer 32, and a first extrusion disc 33, the box body 31 is fixedly installed at the top left end of the base 1, the speed reducer 32 is fixedly installed at the inner wall right side of the box body 31, the output end of the speed reducer 32 penetrates and extends to the outside of the box body 31, and the first extrusion disc 33 is fixedly installed at the output end of the speed reducer 32.

[0022] Specifically, the speed reducer 32 can drive the first extrusion disc 33 to rotate, the first extrusion disc 33 drives the pressure container and the cover plate to rotate synchronously, so that the pressure container and the cover plate can be subjected to girth welding operation.

[0023] In the embodiment, the extrusion mechanism 8 comprises protrusions 81, second sliding sleeves 82, second fixed bolts 83, hydraulic push rods 84, and second extrusion discs 85, the second sliding sleeves 82 are slidingly installed at the outer peripheral walls right ends of the two first sliding rails 2, the protrusions 81 are fixedly installed at the opposite sides of the two second sliding sleeves 82, the hydraulic push rods 84 are embedded at the right side top ends of the protrusions 81, the second extrusion discs 85 are rotatably installed at the output ends of the hydraulic push rods 84, and the second fixed bolts 83 are threadedly connected to the second sliding sleeves 82 and in contact with the first sliding rails 2 at one end penetrating the second sliding sleeves 82 at the opposite sides of the second sliding sleeves 82.

[0024] The supporting mechanism 9 comprises first sliding sleeves 91, horizontal plates 92, electric push rods 93, top plates 94, V-shaped supporting blocks 95, and first fixed bolts 96, the first sliding sleeves 91 are slidingly sleeved at the outer peripheral walls centers of the two first sliding rails 2, the horizontal plates 92 are fixedly installed at the opposite sides of the two first sliding sleeves 91, the electric push rods 93 are embedded at the top four corners of the horizontal plates 92, the top plates 94 are fixedly installed at the output ends of the electric push rods 93, the V-shaped supporting blocks 95 are fixedly installed at the top center of the top plates 94, and the first fixed bolts 96 are threadedly connected to the first sliding sleeves 91 and in contact with the first sliding rails 2 at one end penetrating the first sliding sleeves 91 at the opposite sides of the first sliding sleeves 91.

[0025] Specifically, the pressure container to be welded and the cover plate are placed on the V-shaped support block 95, and the four electric push rods 93 are operated to drive the center of the cover plate to coincide with the center of the first extrusion disc 33, and the hydraulic push rod 84 is operated to move the second extrusion disc 85 to the left to press the pressure tank body and the cover plate, facilitating the subsequent welding of the cover plate; the second extrusion disc 85 is rotationally connected with the output end of the hydraulic push rod 84, so that the pressure tank body and the cover plate can also be rotated when being pressed.

[0026] In the embodiment, the adjusting mechanism 7 comprises sliding rods 71, U-shaped sliding blocks 72, L-shaped plates 73, vertical plates 74, limiting rods 75, sliding seats 76, mounting seats 77, linear modules 78 and laser lamps 79, the top center and the front center of the horizontal frame 5 are fixedly installed with the sliding rods 71, the outer circumferential walls of the upper sliding rods 71 and the lower sliding rods 71 are slidably sleeved with two U-shaped sliding blocks 72, the left and right U-shaped sliding blocks 72 are fixedly installed with the L-shaped plates 73, the front surfaces of the L-shaped plates 73 are fixedly installed with the laser lamps 79, the top front and back ends of the L-shaped plates 73 are fixedly installed with the vertical plates 74, the opposite sides of the left and right vertical plates 74 are fixedly installed with two limiting rods 75, the outer circumferential walls of the left and right limiting rods 75 are slidably sleeved with the sliding seats 76, the top of the sliding seat 76 is fixedly installed with the mounting seat 77, the front surface of the mounting seat 77 is fixedly installed with the linear module 78, the welding gun 6 is fixedly installed at the output end of the linear module 78, the back surface center of the rear vertical plate 74 is embedded with a gas cylinder, and the output end of the gas cylinder is fixedly connected with the back surface center of the sliding seat 76.

[0027] Specifically, after the pressure tank body and the cover plate are butt-jointed, the U-shaped sliding blocks 72 on the left and right sides can be actuated to adjust the horizontal position of the welding gun 6 until the laser lamps 79 on the left and right sides are respectively aligned with the welding positions of the cover plate and the pressure tank body, the gas cylinder and the linear module 78 are operated to drive the welding gun 6 to be attached to the welding position, and the welding gun 6 can be operated to perform the welding work of the pressure container.

[0028] In the embodiment, the back surface of the upper U-shaped sliding block 72 is threadedly connected with a third fixing bolt, the third fixing bolt penetrates through the U-shaped sliding block 72 and is in contact with the upper sliding rod 71.

[0029] Specifically, the third fixing bolt can be screwed to fix the horizontal position of the U-shaped sliding block 72, and further fix the position of the welding gun 6.

[0030] The working principle of the above embodiment is as follows:

[0031] (1) the pressure vessel to be welded and the cover plate are placed on the V-shaped supporting block 95, and the electric push rods 93 around are operated to drive the center of the cover plate to coincide with the center of the first extrusion disc 33, the hydraulic push rod 84 is operated to move the second extrusion disc 85 to the left, the pressure vessel and the cover plate are pressed between the first extrusion disc 33 and the second extrusion disc 85, and the electric push rods 93 around are operated to reset;

[0032] (2) the U-shaped sliding blocks 72 on both sides are operated to adjust the horizontal position of the welding gun 6 until the laser lamps 79 on both sides are respectively aligned with the welding positions of the cover plate and the pressure tank body, the cylinders and the linear modules 78 are operated to drive the welding gun 6 to be attached to the welding positions, and the welding gun 6 can be operated to perform the welding work of the pressure vessel;

[0033] (3) the deceleration motor 32 is started to drive the first extrusion disc 33 to rotate, the first extrusion disc 33 drives the pressure vessel and the cover plate to rotate synchronously, so that the pressure vessel and the cover plate can perform the girth welding work, thus, the welding work of the pressure vessel and the cover plate can be completed without pre-electro-welding the cover plate, and the welding efficiency is improved.

[0034] It should be noted that the relational terms herein such as first and second, and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding device for pressure vessel production, comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with first sliding rails (2) at both ends, the top left end of the base (1) is provided with a driving mechanism (3), the top center of the base (1) is provided with a supporting mechanism (9), the top right end of the base (1) is provided with an extrusion mechanism (8), the back of the base (1) is fixedly installed with L-shaped frames (4) at both ends, the top of the L-shaped frame (4) is fixedly installed with a cross frame (5), the front side of the cross frame (5) is slidably installed with a welding gun (6), and the cross frame (5) is provided with an adjusting mechanism (7).

2. The welding device for pressure vessel production according to claim 1, characterized in that: The driving mechanism (3) comprises a box body (31), a speed reducer (32) and a first extrusion disc (33), the top left end of the base (1) is fixedly installed with the box body (31), the inner wall right side of the box body (31) is fixedly installed with the speed reducer (32), the output end of the speed reducer (32) penetrates and extends to the outside of the box body (31), and the output end of the speed reducer (32) is fixedly installed with the first extrusion disc (33).

3. The welding device for pressure vessel production according to claim 1, characterized in that: The supporting mechanism (9) comprises a first sliding sleeve (91), a cross plate (92), an electric push rod (93), a top plate (94), a V-shaped supporting block (95) and a first fixing bolt (96), the outer peripheral wall center of the two first sliding rails (2) is slidably sleeved with the first sliding sleeve (91), the opposite side of the two first sliding sleeves (91) is fixedly installed with the cross plate (92), the top four corners of the cross plate (92) are embedded with the electric push rod (93), the output end of the electric push rod (93) is fixedly installed with the top plate (94), the top center of the top plate (94) is fixedly installed with the V-shaped supporting block (95), and the side opposite to the first sliding sleeve (91) on the front and back sides is threadedly connected with the first fixing bolt (96) penetrating through the first sliding sleeve (91) and in contact with the first sliding rail (2).

4. The welding device for pressure vessel production according to claim 1, characterized in that: The extrusion mechanism (8) comprises a protrusion (81), a second sliding sleeve (82), a second fixing bolt (83), a hydraulic push rod (84) and a second extrusion disc (85), the outer peripheral wall right end of the two first sliding rails (2) is slidably installed with the second sliding sleeve (82), the opposite side of the two second sliding sleeves (82) is fixedly installed with the protrusion (81), the right side top end of the protrusion (81) is embedded with the hydraulic push rod (84), the output end of the hydraulic push rod (84) is rotatably installed with the second extrusion disc (85), and the side opposite to the second sliding sleeve (82) on the front and back sides is threadedly connected with the second fixing bolt (83) penetrating through the second sliding sleeve (82) and in contact with the first sliding rail (2).

5. The welding apparatus for pressure vessel production of claim 1, wherein: Said adjusting mechanism (7) includes sliding rod (71), U type sliding block (72), L type board (73), vertical board (74), limit rod (75), sliding seat (76), mounting seat (77), linear module (78) and laser lamp (79), the top center and the front center of the cross (5) are fixedly installed with sliding rod (71), the outer peripheral wall of the sliding rod (71) above and the sliding rod (71) below are all sliding sleeve joint with two U type sliding blocks (72), the L type board (73) is fixedly installed on the left side U type sliding block (72) and the right side U type sliding block (72), the front of the L type board (73) is fixedly installed with laser lamp (79), the top front and back ends of the L type board (73) are all fixedly installed with vertical board (74), the opposite side of the left side vertical board (74) and the opposite side of the right side vertical board (74) are all fixedly installed with two limit rods (75), the outer peripheral wall of the left side limit rod (75) and the outer peripheral wall of the right side limit rod (75) are all sliding sleeve joint with sliding seat (76), the top of the sliding seat (76) is fixedly installed with mounting seat (77), the front of the mounting seat (77) is fixedly installed with linear module (78), the welding gun (6) is fixedly installed at the output end of linear module (78), the back surface center of the rear vertical board (74) is embedded with air cylinder, and the output end of the air cylinder is fixedly connected with the back surface center of the sliding seat (76).

6. A welding apparatus for pressure vessel production as claimed in claim 5, characterized in that: The back surface of the U type sliding block (72) above is screw connected with third fixed bolt, the third fixed bolt penetrates the U type sliding block (72) and is in contact with the sliding rod (71) above.

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