CN211102442U - A welding tool with a positioning function for a flame arrester shell - Google Patents

Abstract

The utility model discloses a welding tool with positioning function for a flame arrester casing, which belongs to the technical field of welding the flame arrester casing, and comprises a base, wherein a bidirectional screw rod is movably arranged on the inner wall at the left side of a chute through a bearing, two groups of supporting vertical plates are welded on the tops of movable blocks, the tops of the opposite sides of the two groups of supporting vertical plates are fixedly provided with a frustum-shaped shell positioning mechanism with the same structure, and the outer walls of the frustum-shaped shell positioning mechanisms are movably sleeved with flange positioning mechanisms with the same structure, the utility model is provided with the frustum-shaped shell positioning mechanism, an arc positioning plate moves outwards to contact with the inner wall at the end part of the assembled shell to realize clamping and positioning, thereby avoiding the assembled shell from rotating or moving during welding, and the flange positioning mechanism is arranged to conveniently fix and position flanges with different specifications, and simultaneously facilitate manual fine adjustment of the position of the flange according to the, thereby ensuring the welding quality of the flange and the component shell.

Description

A welding tool with a positioning function for a flame arrester shell

technical field

The utility model relates to the technical field of flame arrester shell welding, in particular to a welding tool with a positioning function for a flame arrester shell.

Background technique

A flame arrester is a safety device used to stop the spread of flames of flammable gases and flammable liquid vapors. The existing smaller flame arrester shell is composed of two groups of shells as shown in FIG. 4. When the two groups of shells are composed of the flame arrester shell as shown in FIG. The flange and the external fixing parts fix and process the two sets of flame arrester shells to form the flame arrester shells. However, since most of the existing component shells are in the shape of a truncated cone (as shown in Figure 4), the welding is prone to instability during welding. It is easy to move and offset, and the welding quality is poor. At the same time, the manual hand-held flange is mostly used for welding with the component shell, which is labor-intensive and affects the subsequent assembly and processing of the flame arrester shell. Therefore, we propose a Welding tooling for flame arrester housing with positioning function.

Utility model content

The purpose of the present utility model is to provide a welding tool with a positioning function for a flame arrester shell, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a welding tool with a positioning function for a flame arrester shell, comprising a base, and the top of the base is provided with two sets of The movable block, the inner wall of the left side of the chute is movably provided with a bidirectional screw through a bearing, and the two groups of movable blocks are respectively threadedly sleeved on the left and right sides of the outer wall of the bidirectional screw, the right side of the base is fixedly provided with a protective shell, and the protective shell A servo motor is provided, and the output end of the servo motor is provided with a reducer, and the right end of the two-way screw penetrates the right side of the base and the left side of the protective shell in turn and is connected with the output end of the reducer. The tops of the two sets of movable blocks are welded with Supporting vertical plates, two sets of support vertical plates are fixedly provided with circular truncated shell positioning mechanisms with the same structure on the tops of opposite sides, and the outer walls of the two sets of circular truncated shell positioning mechanisms are movably sleeved with flange positioning mechanisms with the same structure The top and bottom of the left and right flange positioning mechanisms are fixedly provided with guide rods, and the top and bottom guide rods are located outside the circular truncated housing positioning mechanism, and the other side of the left top and bottom guide rods One end penetrates through the left support vertical plate, the other ends of the guide rods at the top and bottom of the right side penetrate through the right support vertical plate, and the ends of the left and right groups of the guide rods away from the flange positioning mechanism are fixedly connected with connecting plates The middle part of the outer wall of the opposite end of the connecting plate on the left and right sides is threadedly inserted with an adjusting screw, and the end of the adjusting screw close to the supporting vertical plate is movably connected with the outer wall of the supporting vertical plate through a bearing.

Further, the circular truncated shell positioning mechanism includes an assembly cylinder fixed on the outer wall of the support vertical plate, an assembly cavity is opened in the assembly cylinder on the side close to the center of the base, and a bidirectional hydraulic cylinder is fixed in the assembly cavity. Both the top and the bottom of the two-way hydraulic cylinder are provided with push rods, and the opposite ends of the top and bottom push rods respectively penetrate the top and bottom of the assembly cylinder and are connected with an arc-shaped positioning plate. Matching arc grooves on the shaped positioning plate.

Further, the flange positioning mechanism includes a disc that is movably sleeved on the outer wall of the truncated shell positioning mechanism, and a fixed arc plate is symmetrically welded on the top and bottom of one side of the disc close to the center of the base. A fine adjustment screw is threadedly inserted in the middle of the opposite side of the fixed arc plate, and an arc positioning splint is movably arranged at the opposite ends of the top and bottom fine adjustment screws through a bearing.

Further, rubber pads 1 are adhered to the opposite sides of the arc-shaped positioning plates at the top and the bottom.

Further, the front and rear ends of the outer wall of one side of the arc-shaped positioning splint near the disc at the top and bottom are provided with balls, and the outer wall of one side of the disc close to the arc-shaped positioning splint is vertically provided with a sliding groove that matches the ball, and the top Two rubber pads are bonded to the opposite side of the arc-shaped positioning splint at the bottom.

Further, a threaded sleeve that cooperates with the adjusting screw is laterally fixed and inserted in the middle of the connecting plates on the left and right sides.

Compared with the prior art, the beneficial effects of the present utility model are: the utility model is provided with a movable block, a two-way lead screw, a protective casing, a servo motor and a reducer, which facilitates spacing adjustment according to the length of the constituent casings, and adapts to different lengths. The composition shell is used, and a circular truncated shell positioning mechanism is provided. The assembly cylinder enters the composition shell, and the two-way hydraulic cylinder is activated to move the arc-shaped positioning plates at the top and bottom to the outside and contact the inner wall of the end of the composition shell to realize clamping and positioning. In order to avoid the rotation or movement of the component shell during welding, it is suitable for component shells of different specifications. A flange positioning mechanism is provided, which not only facilitates the positioning of flanges of different specifications, but also facilitates manual fine-tuning of the flange according to the position of the component shell. The positions of the flanges correspond to the positions of the flanges, thereby ensuring the quality of subsequent welding between the flange and the constituent shell. A guide rod, a connecting plate and an adjusting screw are provided. By rotating the adjusting screw, the connecting plate can be driven to make the guide rod drive the flange positioning mechanism to move, thereby driving the method. The flange is close to the component shell to adjust the welding position. After adjustment, it has good fixation, so that the flange will not rotate or move when welding with the component shell, ensuring stable welding operations, and no need to manually hold the flange. The manual labor intensity is reduced and the work quality is improved. At the same time, a rubber pad 1 and a rubber pad 2 are provided to prevent slippage when positioning and pressing the flange or forming the shell, and also prevent damage to the positioning flange or forming the shell.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic structural diagram of a circular truncated shell positioning mechanism of the present invention;

Fig. 3 is the structural schematic diagram of the flange positioning mechanism of the utility model;

FIG. 4 is a schematic diagram of the composition shell of the prior art.

In the figure: 1. Base; 2. Active block; 3. Two-way screw; 4. Protective shell; 5. Supporting vertical plate; Arc-shaped positioning plate; 64. Arc-shaped groove; 65. Rubber pad 1; 7. Flange positioning mechanism; 71. Disc; 72. Fixed arc-shaped plate; 73. Fine adjustment screw; 74. Arc-shaped positioning splint; 75 , Rubber pad two; 8, guide rod; 9, adjusting screw; 10, connecting plate; 101, threaded sleeve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-4, the present utility model provides a technical solution: a welding tool with a positioning function for the flame arrester shell, please refer to FIG. 1, including a base 1, the top of the base 1 is provided with a horizontal chute provided with There are two sets of movable blocks 2 matched with the chute, the chute guides and limits the movement of the movable block 2, and at the same time prevents the movable block 2 from being driven to rotate by the bidirectional screw 3, and the electrical components in the utility model are all connected to the outside world. The main controller and the external power supply are electrically connected, and the main controller can be a conventional known device controlled by a computer or the like;

Please refer to FIG. 1 , the left inner wall of the chute is movably provided with a bidirectional screw 3 through a bearing. The bidirectional screw 3 is used to drive the left and right movable blocks 2 to approach or move away from each other, and the two sets of movable blocks 2 are respectively threadedly sleeved on On the left and right sides of the outer wall of the two-way screw 3, the movable block 2 is provided with a threaded hole for matching with the two-way screw 3, the right side of the base 1 is fixed with a protective shell 4, and the protective shell 4 is fixed on the right side of the base 1 by means of screws or bolts , the protective shell 4 is provided with a servo motor, and the output end of the servo motor is provided with a reducer. The reducer is widely used in this field, and its structure and principle are well known to those skilled in the art, and will not be described in detail here. The reducer ensures that the two-way screw 3 rotates at a constant speed, and the right end of the two-way screw 3 penetrates the right side of the base 1 and the left side of the protective shell 4 in turn and is connected to the output end of the reducer. The spacing between the plates 5 is convenient to adjust according to the length of the composition shell;

Please refer to FIG. 1, the tops of the two groups of movable blocks 2 are welded with supporting vertical plates 5, and the supporting vertical plates 5 are used for supporting and installing the structure;

Please refer to FIG. 1 , two sets of supporting vertical plates 5 are fixedly provided with a circular truncated shell positioning mechanism 6 with the same structure on the tops of opposite sides. The circular truncated shell positioning mechanism 6 is used for positioning and fixing the prior art shown in FIG. The shell is formed to ensure that it does not move and rotate when it is welded with the flange;

Please refer to FIG. 1 , the outer walls of the two groups of circular frustum-shaped housing positioning mechanisms 6 are movably sleeved with flange positioning mechanisms 7 with the same structure. The flange positioning mechanisms 7 are used for clamping and positioning the same Flanges that make up shell welding;

Referring to FIG. 1, the left and right flange positioning mechanisms 7 are fixedly provided with guide rods 8 at the top and bottom of the opposite side. The other end of 8 passes through the left support vertical plate 5, and the other ends of the right top and bottom guide rods 8 all pass through the right support vertical plate 5, and the support vertical plate 5 is provided with a movable through hole matching the guide rod 8, The guide rod 8 not only ensures the stability of the movement of the flange positioning mechanism 7, but also prevents the flange positioning mechanism 7 from rotating. The middle part of the outer wall of the opposite end of the left and right side connecting plates 10 is threadedly inserted with an adjusting screw 9, and one end of the adjusting screw 9 close to the supporting vertical plate 5 is movably connected with the outer wall of the supporting vertical plate 5 through a bearing. The adjusting screw 9 is used to adjust the flange The positioning mechanism 7 moves to make the flange move until the end of the component shell extends to the inner diameter of the flange, and then welding can be performed. Of course, other welding methods can also be used, which are selected according to the flange form used. These welding methods are widely used in the field. It is widely used and will not be described in detail here.

As shown in Figure 2: the truncated shell positioning mechanism 6 includes an assembly cylinder 61 fixed on the outer wall of the support vertical plate 5, the assembly cylinder 61 can be fixed on the outer wall of the support vertical plate 5 by means of screws or bolts, and the assembly cylinder 61 is close to the base 1. One side of the center is provided with an assembly cavity, the assembly cavity is used to assemble the two-way hydraulic cylinder 62, and the two-way hydraulic cylinder 62 is fixedly arranged in the assembly cavity. The two-way hydraulic cylinder 62 is widely used in this field, and its structure and principle have been It is well known to those skilled in the art and will not be described in detail here. In order to facilitate the maintenance of the internal two-way hydraulic cylinder 62, a maintenance port (not shown in the figure) can be opened at the position of the front side of the assembly cylinder 61 corresponding to the assembly cavity. A matching cover body (not shown in the figure) can be provided at the through port by screws, the top and bottom of the two-way hydraulic cylinder 62 are provided with push rods, and the opposite ends of the top and bottom push rods penetrate through the top and bottom of the assembly cylinder 61 respectively. And is connected with the arc-shaped positioning plate 63, the arc-shaped positioning plate 63 of the top and the bottom are symmetrically arranged with each other, and the arc-shaped positioning plate 63 is used for contacting with both ends of the inner wall of the shell (it can be seen from the accompanying drawing 4 that the two ends of the shell are composed shape) to realize the positioning and fixation of the component shell, and the top and bottom of the assembly cylinder 61 are provided with arc-shaped grooves 64 that match the arc-shaped positioning plate 63;

As shown in Figure 3: the flange positioning mechanism 7 includes a disc 71 that is movably sleeved on the outer wall of the truncated shell positioning mechanism 6. The disc 71 is provided with a circular hole, and the diameter of the circular hole is larger than the diameter of the assembly cylinder 61, which is convenient for The disc 71 moves left and right on the assembling cylinder 61. The top and bottom of the disc 71 close to the center of the base 1 are symmetrically welded with a fixed arc plate 72. The fixed arc plate 72 plays the role of supporting the fine adjustment screw 73. A fine-tuning screw 73 is threadedly inserted in the middle of the opposite side of the fixed arc-shaped plate 72. The fixed arc-shaped plate 72 is provided with a threaded hole that matches the fine-tuning screw 73, and the opposite ends of the top and bottom fine-tuning screw 73 are movably set by bearings. There are arc-shaped positioning splints 74, and the arc-shaped positioning splints 74 at the top and bottom are symmetrically arranged with each other. Assemble the shell for fine-tuning the flange. The fine-tuning method is as follows: turn the fine-tuning screw 73 at the bottom to make the bottom arc-shaped positioning splint 74 downward, and then make the flange downward, and then turn the top fine-tuning screw 73 to make the top arc positioning plywood 74 downwards, fix the flange, or turn the top fine adjustment screw 73 to make the top arc positioning splint 74 upward, and then turn the bottom fine adjustment screw 73 to make the bottom arc positioning plywood 74 upward until it is aligned with the top arc positioning splint 74 contact to fix the flange;

As shown in Figure 2: the opposite sides of the top and bottom arc-shaped positioning plates 63 are bonded with rubber pads 1 65. The rubber pads 1 65 are made of elastic rubber materials to prevent the arc-shaped positioning plates 63 from contacting and fixing the inner wall of the composition shell. Slip, so that the composition shell will not rotate or move, and also prevent the composition shell from being damaged during the fixing process;

As shown in FIG. 3 : the top and bottom arc-shaped positioning splints 74 are provided with balls (not shown in the figure) at the front and rear ends of one side of the outer wall close to the disc 71 , and the disc 71 is close to the one side of the outer wall of the arc-shaped positioning splint 74 There are sliding grooves (not shown in the figure) that match the balls vertically. The cooperation of the balls and the rolling grooves can limit and guide the movement of the arc-shaped positioning splint 74 to prevent it from being affected by the fine-tuning screw 73. Rotate, the opposite sides of the top and bottom arc-shaped positioning splints 74 are bonded with rubber pads 75. The rubber pads 75 are made of elastic rubber materials to prevent slippage when the arc-shaped positioning splints 74 are pressed against the flange, so that the flange will not fall off. , and also prevents the flange from being damaged during the clamping process.

As shown in FIG. 1 : the upper and middle parts of the left and right connecting plates 10 are laterally fixed and inserted with a threaded sleeve 101 that cooperates with the adjusting screw 9 , and the left and right connecting plates 10 are provided with movable holes transversely extending through them, and the threaded sleeves 101 are welded on the On the inner wall of the movable hole, the threaded sleeve 101 is used for threaded cooperation with the adjusting screw 9 to realize the left and right movement of the connecting plate 10 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A welding tooling with a positioning function for a flame arrester housing, comprising a base (1), characterized in that: the top of the base (1) is provided with two groups of activities that match the chute through a transverse chute Block (2), the left inner wall of the chute is movably provided with a two-way screw (3) through a bearing, and two sets of movable blocks (2) are respectively threadedly sleeved on the left and right sides of the outer wall of the two-way screw (3), the base (1) ) a protective casing (4) is fixedly arranged on the right side, a servo motor is arranged in the protective casing (4), and a reducer is arranged at the output end of the servo motor, and the right end of the bidirectional screw (3) penetrates the base (1) in turn. ) on the right side and the left side of the protective shell (4) and are connected with the output end of the reducer, the tops of the two sets of movable blocks (2) are welded with support vertical plates (5), and the two sets of support vertical plates (5) are opposite to each other. A circular truncated shell positioning mechanism (6) with the same structure is fixedly arranged on the top of one side, and the outer walls of the two groups of the circular truncated shell positioning mechanisms (6) are movably sleeved with a flange positioning mechanism (7) with the same structure. A guide rod (8) is fixedly arranged at the top and bottom of the opposite side of the flange positioning mechanism (7), and the guide rods (8) at the top and the bottom are both located outside the truncated shell positioning mechanism (6), and the left side The other ends of the guide rods (8) at the top and bottom both penetrate the left support vertical plate (5), and the other ends of the guide rods (8) on the right top and bottom penetrate the right support vertical plate (5). A connecting plate (10) is fixedly connected with one end of the two sets of the guide rods (8) on the left and right sides away from the flange positioning mechanism (7), and the middle part of the outer wall of the opposite end of the connecting plate (10) on the left and right sides is threadedly connected with a connecting plate (10). An adjustment screw (9) is provided, and one end of the adjustment screw (9) close to the support vertical plate (5) is movably connected with the outer wall of the support vertical plate (5) through a bearing. 2. A welding tool with a positioning function for a flame arrester shell according to claim 1, characterized in that: the circular frustum-shaped shell positioning mechanism (6) comprises an assembly fixed on the outer wall of the support vertical plate (5) A cylinder (61), an assembly cavity is opened in the assembly cylinder (61) on the side close to the center of the base (1), and a two-way hydraulic cylinder (62) is fixedly arranged in the assembly cavity, and the two-way hydraulic cylinder (62) ) Both the top and the bottom are provided with push rods, and the opposite ends of the top and bottom push rods respectively penetrate the top and bottom of the assembly cylinder (61) and are connected with an arc-shaped positioning plate (63), the top and bottom of the assembly cylinder (61) Both are provided with arc grooves (64) matching the arc positioning plates (63). 3. A welding tool with a positioning function for a flame arrester shell according to claim 1, characterized in that: the flange positioning mechanism (7) comprises a positioning mechanism (6) that is movably sleeved on a circular frustum shell The disk (71) of the outer wall, the top and bottom of one side of the disk (71) close to the center of the base (1) are symmetrically welded with fixed arc plates (72), and the fixed arc plates (72) at the top and bottom Fine-tuning screws (73) are threadedly inserted in the middle of the opposite side, and arc-shaped positioning splints (74) are movably provided at opposite ends of the top and bottom fine-tuning screws (73) through bearings. 4. The welding tool with a positioning function for a flame arrester shell according to claim 2, characterized in that: the opposite sides of the arc-shaped positioning plates (63) at the top and the bottom are bonded with rubber pads One (65). 5. A welding tool with a positioning function for a flame arrester shell according to claim 3, characterized in that: the arc-shaped positioning splints (74) at the top and bottom are close to the outer wall of one side of the disc (71). The front and rear ends are provided with balls, and the outer wall of one side of the disk (71) close to the arc-shaped positioning splint (74) is vertically provided with sliding grooves matching the balls, and the arc-shaped positioning splints (74) at the top and bottom are opposite to each other. Both sides are bonded with two rubber pads (75). 6. The welding tool with a positioning function for a flame arrester shell according to claim 1, characterized in that: the upper middle position of the connecting plate (10) on the left and right sides is laterally fixed and inserted with an adjusting screw (9). ) with the threaded sleeve (101).

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