Auxiliary positioning tool for sealing head welding

Abstract

The utility model discloses an auxiliary positioning tool for sealing head welding, which belongs to the technical field of welding tools, and is characterized by comprising a supporting base, a pressure vessel barrel is arranged at the top of the supporting base, a sealing head body is arranged at the top of the pressure vessel barrel, and the sealing head body is arranged at the top of the pressure vessel barrel. The top of the supporting base is provided with a positioning turnover mechanism used in cooperation with a pressure container barrel, the top of the positioning turnover mechanism is provided with a downward pressing positioning assembly used in cooperation with an end socket body, the positioning turnover mechanism comprises a driving motor, and the bottom of the driving motor is fixedly connected with the top of the supporting base. An output shaft of the driving motor is fixedly connected with a supporting table, and the problems that an existing auxiliary positioning tool generally can only simply position and fix a seal head and a barrel of a pressure container, overturning and surface changing adjustment is inconvenient to conduct on the positioned and fixed seal head and the barrel, and therefore after one face is welded, the sealing head and the barrel cannot be turned over easily, and the sealing head and the barrel cannot be turned over easily are solved. The sealing head and the cylinder body need to be replaced manually, which is troublesome and brings inconvenience to the welding work.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field, especially in a kind of auxiliary positioning frock for head welding. BACKGROUND

[0002] In the manufacturing process of pressure vessel and other equipment, the head needs to be welded with the cylinder of pressure vessel, and the head and the cylinder need to be auxiliary positioned and fixed during welding.

[0003] But the existing auxiliary positioning frock can only simply position and fix the head and the cylinder of pressure vessel, and it is inconvenient to turn and adjust the surface of the positioned and fixed head and cylinder, so manual operation is needed to change the surface of the head and cylinder after welding one side, which is troublesome and inconvenient for welding work.

[0004] Therefore, an auxiliary positioning frock for head welding is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an auxiliary positioning frock for head welding, which can solve the problem that the existing auxiliary positioning frock can only simply position and fix the head and the cylinder of pressure vessel, and it is inconvenient to turn and adjust the surface of the positioned and fixed head and cylinder, so manual operation is needed to change the surface of the head and cylinder after welding one side, which is troublesome and inconvenient for welding work.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an auxiliary positioning frock for head welding, comprising a supporting base, a pressure vessel cylinder is arranged on the top of the supporting base, a head body is arranged on the top of the pressure vessel cylinder, a positioning and turning mechanism is arranged on the top of the supporting base and used in cooperation with the pressure vessel cylinder, and a downward positioning assembly is arranged on the top of the positioning and turning mechanism and used in cooperation with the head body.

[0007] The positioning and turning mechanism comprises a driving motor, the bottom of the driving motor is fixedly connected with the top of the supporting base, the output shaft of the driving motor is fixedly connected with a supporting table, the top of the supporting table is fixedly connected with a positioning ring, the left side of the supporting table is fixedly connected with a forward and reverse motor, the output shaft of the forward and reverse motor is fixedly connected with a bidirectional screw rod, the right side of the bidirectional screw rod penetrates to the right side of the supporting table, the side of the surface of the bidirectional screw rod close to the inner wall of the supporting table is rotatably connected with the inner wall of the supporting table through a bearing, and the two sides of the surface of the bidirectional screw rod are fixedly connected with moving plates through threads, and the top of the opposite side of the two moving plates is fixedly connected with arc-shaped positioning clamping blocks.

[0008] Preferably, the downward positioning assembly comprises a support frame, two sides of the bottom of the support frame are fixedly connected with two sides of the top of the support base respectively, the top of the support frame is fixedly connected with a gas cylinder, and the output rod of the gas cylinder penetrates through the support frame and is rotationally connected with a fixing seat through a bearing.

[0009] Preferably, the bottom of the fixing seat is fixedly connected with a connecting frame, the bottom of the connecting frame is fixedly connected with a positioning ring, the bottom of the positioning ring is fixedly connected with a first rubber pad, and the side close to the head body of the first rubber pad is in close contact with the head body.

[0010] Preferably, the top of the support frame is provided with a through hole matched with the gas cylinder, and the output rod of the gas cylinder is in sliding connection with the inner wall of the through hole.

[0011] Preferably, the front side and the rear side of the two sides of the bottom of the support table are fixedly connected with universal wheels respectively, and the bottom of the universal wheel is in contact with the top of the support base.

[0012] Preferably, the bottom of the forward and reverse motor is fixedly connected with a reinforcing support, and the side close to the support table of the reinforcing support is fixedly connected with the support table.

[0013] Preferably, the two sides of the top of the support table are provided with limiting sliding grooves matched with the moving plate respectively, and the side close to the inner wall of the limiting sliding groove of the moving plate is in sliding connection with the inner wall of the limiting sliding groove.

[0014] Preferably, the side away from the moving plate of the arc-shaped positioning clamp block is fixedly connected with a second rubber pad, and the side close to the pressure vessel cylinder of the second rubber pad is in close contact with the pressure vessel cylinder.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The positioning and overturning mechanism is arranged, the pressure vessel cylinder can be positioned and fixed, the pressure vessel cylinder and the head body can be driven to rotate and surface changing is adjusted, manual operation is not needed for surface changing of the pressure vessel cylinder and the head body, and welding work is facilitated.

[0017] 2. The downward positioning assembly is arranged, the position of the head body can be positioned, the connection between the head body and the pressure vessel cylinder can be closely attached through downward pressing, and the stability of welding work can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structural drawing of the auxiliary positioning tool for head welding of the utility model;

[0019] Figure 2 It is the auxiliary positioning tool for head welding of the utility model Figure 1a front view structural diagram of the positioning and overturning mechanism;

[0020] Figure 3 a split structure diagram of the positioning and overturning mechanism in the utility model;

[0021] Figure 4 a split structure diagram of the lower pressing positioning assembly in the utility model;

[0022] Figure 5 a top view structural diagram of the utility model. Figure 1

[0023] In the figure, 1, support base; 2, pressure vessel cylinder; 3, head body; 4, positioning and overturning mechanism; 401, driving motor; 402, support table; 403, positioning ring; 404, forward and reverse motor; 405, bidirectional screw; 406, moving plate; 407, arc-shaped positioning clamp block; 5, lower pressing positioning assembly; 501, support frame; 502, air cylinder; 503, fixed seat; 504, connecting frame; 505, positioning ring; 506, first rubber pad; 507, through hole; 6, universal wheel; 7, reinforcing support; 8, limiting sliding groove; 9, second rubber pad. DETAILED DESCRIPTION

[0024] 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 protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides technical schemes:

[0026] A kind of auxiliary positioning tool for head welding, including support base 1, the top of support base 1 is provided with pressure vessel cylinder 2, the top of pressure vessel cylinder 2 is provided with head body 3, the top of support base 1 is provided with the positioning and overturning mechanism 4 used in cooperation with pressure vessel cylinder 2, the top of positioning and overturning mechanism 4 is provided with the lower pressing positioning assembly 5 used in cooperation with head body 3;

[0027] ​The positioning and overturning mechanism 4 comprises a driving motor 401, the bottom of the driving motor 401 is fixedly connected with the top of the support base 1, the output shaft of the driving motor 401 is fixedly connected with a support table 402, the top of the support table 402 is fixedly connected with a positioning ring 403, the left side of the support table 402 is fixedly connected with a forward and reverse motor 404, the output shaft of the forward and reverse motor 404 is fixedly connected with a bidirectional screw rod 405, the right side of the bidirectional screw rod 405 penetrates to the right side of the support table 402, the side of the surface of the bidirectional screw rod 405 close to the inner wall of the support table 402 is rotatably connected with the inner wall of the support table 402 through a bearing, and the two sides of the surface of the bidirectional screw rod 405 are both fixedly connected with a moving plate 406 through threads, and the top of the opposite side of the two moving plates 406 is fixedly connected with an arc-shaped positioning clamp block 407.

[0028] In the embodiment: by arranging the support base 1, the pressure container cylinder 2, the head body 3, the positioning and overturning mechanism 4 and the downward pressing positioning assembly 5, when in use, the whole device can be supported through the arrangement of the support base 1, the pressure container cylinder 2 can be positioned and fixed through the arrangement of the positioning and overturning mechanism 4, and the pressure container cylinder 2 and the head body 3 can be driven to rotate and change the surface for adjustment, so that the pressure container cylinder 2 and the head body 3 do not need to be manually operated to change the surface, which brings convenience to the welding work, and the position of the head body 3 can be positioned through the arrangement of the downward pressing positioning assembly 5, and the connection between the head body 3 and the pressure container cylinder 2 can be closely attached through downward pressing, so that the stability of the welding work can be improved.

[0029] Specifically, as shown in Figure 1 , Figure 2 , Figure 4 , the downward pressing positioning assembly 5 comprises a support frame 501, the bottom of the support frame 501 is fixedly connected with the top of the support base 1 on both sides, the top of the support frame 501 is fixedly connected with an air cylinder 502, and the output rod of the air cylinder 502 penetrates through the support frame 501 and is rotatably connected with a fixing seat 503 through a bearing.

[0030] Specifically, as shown in Figure 1 , Figure 2 , Figure 4 , the bottom of the fixing seat 503 is fixedly connected with a connecting frame 504, the bottom of the connecting frame 504 is fixedly connected with a positioning ring 505, the bottom of the positioning ring 505 is fixedly connected with a first rubber pad 506, and the side of the first rubber pad 506 close to the head body 3 is in close contact with the head body 3.

[0031] Specifically, as shown in Figure 4 , the top of the support frame 501 is provided with a through hole 507 matched with the air cylinder 502, and the output rod of the air cylinder 502 is slidably connected with the inner wall of the through hole 507.

[0032] In the embodiment: through the setting of the support frame 501, the air cylinder 502, the fixed seat 503, the connecting frame 504, the positioning ring 505, the first rubber pad 506 and the through hole 507, in use, after the butt joint of the head body 3 and the welding of the pressure vessel cylinder 2, the air cylinder 502 can be started, the output rod of the air cylinder 502 drives the fixed seat 503 to move downward, the fixed seat 503 drives the connecting frame 504 to move downward, the connecting frame 504 drives the positioning ring 505 and the first rubber pad 506 to move downward, the arc surface of the head body 3 can be clamped through the annular structure of the positioning ring 505 and the first rubber pad 506, so that the position of the head body 3 can be positioned, and the connection between the head body 3 and the pressure vessel cylinder 2 can be tightly fitted by pressing down, so that the stability of the welding work can be improved, and the output rod of the air cylinder 502 can be telescopic output in the inner cavity of the support frame 501 through the setting of the through hole 507.

[0033] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 , the front side and the rear side of the bottom of the support table 402 are fixedly connected with universal wheels 6, and the bottom of the universal wheels 6 is in contact with the top of the support base 1.

[0034] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 , the bottom of the forward and reverse motor 404 is fixedly connected with a reinforcing support 7, and the side close to the support table 402 of the reinforcing support 7 is fixedly connected with the support table 402.

[0035] In the embodiment: the support table 402 can be assisted and supported through the setting of the universal wheels 6, so that the stability of the support table 402 can be improved, and the forward and reverse motor 404 can be reinforced through the setting of the reinforcing support 7, so that the output stability of the forward and reverse motor 404 can be improved.

[0036] Specifically, as shown in Figure 1 、 Figure 3 , the two sides of the top of the support table 402 are provided with limiting sliding grooves 8 matched with the moving plate 406, and the side close to the inner wall of the limiting sliding groove 8 of the moving plate 406 is in sliding connection with the inner wall of the limiting sliding groove 8.

[0037] Specifically, as shown in Figure 1 、 Figure 3 , the side away from the moving plate 406 of the arc-shaped positioning clamp block 407 is fixedly connected with a second rubber pad 9, and the side close to the pressure vessel cylinder 2 of the second rubber pad 9 is in close contact with the pressure vessel cylinder 2.

[0038] In the embodiment: by setting the limiting sliding groove 8, in order to make the moving plate 406 can move left and right, and can be limited to the moving plate 406, so that the moving plate 406 will not produce shaking, by setting the second rubber pad 9, can prevent the arc-shaped positioning clamp block 407 from scratching the surface of the pressure vessel cylinder 2, and can increase the friction, so as to improve the stability of the arc-shaped positioning clamp block 407 to the pressure vessel cylinder 2 positioning fixed.

[0039] Working principle: in use, by placing the pressure vessel cylinder 2 in the center position of the positioning ring 403 on the top of the support table 402, then the forward and reverse motor 404 can be started, the output shaft of the forward and reverse motor 404 drives the bidirectional screw rod 405 to rotate, the two moving plates 406 are moved in opposite directions in the limiting sliding groove 8 through the screw thread, the two moving plates 406 drive the two arc-shaped positioning clamp blocks 407 to move in opposite directions respectively, the two arc-shaped positioning clamp blocks 407 clamp and position the pressure vessel cylinder 2 through the second rubber pad 9, then the head body 3 is placed on the top of the pressure vessel cylinder 2 for butt joint, then the air cylinder 502 is started, the output rod of the air cylinder 502 drives the fixed seat 503 to move downward, the fixed seat 503 drives the connecting frame 504 to move downward, the connecting frame 504 drives the positioning ring 505 and the first rubber pad 506 to move downward, the arc-shaped surface of the head body 3 is clamped by the annular structure of the positioning ring 505 and the first rubber pad 506, so that the position of the head body 3 can be positioned, and the head body 3 and the pressure vessel cylinder 2 are tightly fitted by pressing, then the head body 3 and the pressure vessel cylinder 2 can be welded, after one side is welded, the driving motor 401 is started, the output shaft of the driving motor 401 drives the support table 402 to rotate, the support table 402 drives the pressure vessel cylinder 2 to rotate through the moving plate 406 and the arc-shaped positioning clamp block 407, at this time the head body 3 also rotates with the pressure vessel cylinder 2, the positioning ring 505 and the connecting frame 504 also rotate with the fixed seat 503 under the action of the bearing, so that the pressure vessel cylinder 2 and the head body 3 can be rotated and the surface is adjusted, without manually operating the pressure vessel cylinder 2 and the head body 3 to change the surface, so as to bring convenience to the welding work.

[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An auxiliary positioning tool for welding a head, comprising a support base (1), characterized in that: The top of the support base (1) is provided with a pressure container cylinder (2), the top of the pressure container cylinder (2) is provided with a head body (3), the top of the support base (1) is provided with a positioning and overturning mechanism (4) used in cooperation with the pressure container cylinder (2), and the top of the positioning and overturning mechanism (4) is provided with a downward positioning assembly (5) used in cooperation with the head body (3). The positioning and overturning mechanism (4) comprises a driving motor (401), the bottom of the driving motor (401) is fixedly connected to the top of the support base (1), the output shaft of the driving motor (401) is fixedly connected with a support table (402), the top of the support table (402) is fixedly connected with a positioning ring (403), the left side of the support table (402) is fixedly connected with a forward and reverse motor (404), the output shaft of the forward and reverse motor (404) is fixedly connected with a bidirectional screw rod (405), the right side of the bidirectional screw rod (405) penetrates to the right side of the support table (402), the side, close to the inner wall of the support table (402), of the surface of the bidirectional screw rod (405) is rotatably connected with the inner wall of the support table (402) through a bearing, and the surfaces of the two sides of the bidirectional screw rod (405) are both threadedly connected with a moving plate (406).

2. The auxiliary positioning tool for welding a head according to claim 1, characterized in that: The downward positioning assembly (5) comprises a support frame (501), the bottoms of the two sides of the support frame (501) are fixedly connected to the tops of the two sides of the support base (1), the top of the support frame (501) is fixedly connected with an air cylinder (502), and the output rod of the air cylinder (502) penetrates through the support frame (501) and is rotatably connected with a fixing seat (503) through a bearing.

3. The auxiliary positioning tool for welding a head according to claim 2, characterized in that: The bottom of the fixing seat (503) is fixedly connected with a connecting frame (504), the bottom of the connecting frame (504) is fixedly connected with a positioning ring (505), the bottom of the positioning ring (505) is fixedly connected with a first rubber pad (506), and the side, close to the head body (3), of the first rubber pad (506) is in close contact with the head body (3).

4. The auxiliary positioning tool for welding a head according to claim 2, characterized in that: The top of the support frame (501) is provided with a through hole (507) used in cooperation with the air cylinder (502), and the output rod of the air cylinder (502) is in sliding connection with the inner wall of the through hole (507).

5. The auxiliary positioning tool for welding a head according to claim 1, characterized in that: The front sides and the rear sides of the bottoms of the two sides of the support table (402) are both fixedly connected with universal wheels (6), and the bottom of the universal wheel (6) is in contact with the top of the support base (1).

6. The auxiliary positioning tool for welding a head according to claim 1, characterized in that: The bottom of the forward and reverse motor (404) is fixedly connected with a reinforcing support (7), and the side, close to the support table (402), of the reinforcing support (7) is fixedly connected with the support table (402).

7. The auxiliary positioning tool for welding a head according to claim 1, characterized in that: The tops of the two sides of the support table (402) are both provided with limiting sliding grooves (8) used in cooperation with the moving plates (406), and the side, close to the inner wall of the limiting sliding groove (8), of the moving plate (406) is in sliding connection with the inner wall of the limiting sliding groove (8).

8. The auxiliary positioning tool for welding a head according to claim 1, characterized in that: The arc-shaped positioning clamp block (407) is fixedly connected with a second rubber pad (9) on the side away from the moving plate (406), and the second rubber pad (9) is in close contact with the pressure container cylinder (2) on the side close to the pressure container cylinder (2).

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