Chemical pressure vessel welding equipment

Abstract

The utility model belongs to the technical field of chemical pressure vessels, and particularly relates to chemical pressure vessel welding equipment which comprises a welding machine body, a lifting assembly is fixedly connected into the welding machine body, and the outer wall of the lifting assembly is fixedly connected with a limiting assembly. The limiting assembly comprises a connecting frame, a screw rod, a limiting plate, a fixing barrel, a spring, a sliding block, a sliding groove and a limiting frame, the screw rod is in threaded connection with the interior of the connecting frame, and the output end of the screw rod is fixedly connected with the limiting plate through a coupler; according to the welding equipment for the pressure container for the chemical industry, the effect of fixing the pressure container is achieved through mutual cooperation of the limiting assemblies, a limiting plate is driven to move left and right by rotating a screw rod, so that the limiting plate is conveniently moved to the outer wall of the pressure container, the pressure container is fixed again through a limiting frame, and the welding efficiency is improved. And the pressure containers with different sizes can be conveniently fixed through the stretching and rebounding of the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical pressure vessels, in particular to welding equipment for chemical pressure vessels. Background Art

[0002] Chemical pressure vessels refer to closed equipment that holds gas or liquid and bears a certain pressure. They are mainly used to store various raw materials and products, such as oil, natural gas, liquid ammonia, etc. They are usually made of one or more materials such as steel, aluminum alloy, fiberglass, etc., and have high sealing and reliable explosion-proof performance. Welding equipment is required when processing pressure vessels, but most chemical pressure vessel welding equipment has poor fixing effect and is not convenient to limit the pressure vessel according to its size. It is easy to cause the pressure vessel to shift during welding, thereby affecting the processing efficiency.

[0003] As disclosed in Chinese patent CN216858679U, a chemical pressure vessel welding device includes: a machine base; a motor fixedly mounted at the bottom end of the machine base, and the output end of the motor extends out of the top end of the base; a casing, interference fit with the output end of the motor, and arranged at the top end of the machine base; a clamping mechanism, arranged in the inner cavity of the casing; a support plate, fixedly mounted at the rear side of the top end of the machine base, and arranged at the rear side of the casing; a top plate, fixedly mounted at the top end of the support plate; a second cylinder, fixedly mounted at the bottom end of the top plate; a centering cone, rotatably connected to the bottom end of the second cylinder through a bearing; and a welding mechanism, arranged at the right side of the top end of the machine base. The chemical pressure vessel welding device solves the problem that pressure vessels need to be welded manually during welding, resulting in uneven welding quality of pressure vessels.

[0004] The existing technology has the following problems:

[0005] The existing chemical pressure vessel welding equipment has a poor fixing effect and is not convenient for limiting the pressure vessel according to its size, which easily causes the pressure vessel to shift during welding, thereby affecting the processing efficiency. Utility Model Content

[0006] The utility model provides a chemical pressure vessel welding device to solve the problems raised in the above background technology.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the utility model described in the utility model is a kind of chemical pressure vessel welding equipment, including a welding body, the interior of the welding body is fixedly connected with a lifting assembly, the outer wall of the lifting assembly is fixedly connected with a limiting assembly, the limiting assembly includes a connecting frame, a screw, a limiting plate, a fixed cylinder, a spring, a slider, a slide groove and a limiting frame, the internal thread of the connecting frame is connected with a screw, the output end of the screw is fixedly connected to the limiting plate through a coupling, and the outer wall of the limiting plate is fixedly connected with a fixed cylinder.

[0008] A spring is fixedly connected inside the fixed cylinder, a sliding block is fixedly connected to the outer wall of the spring, a limiting frame is fixedly connected to the outer wall of the sliding block, and a sliding groove is provided on the inner bottom wall of the fixed cylinder.

[0009] Preferably, the screw rod and the limit plate form an integrated structure, and the limit plate forms a telescopic structure through the screw rod and the connecting frame. The cooperation between the limit plate, the screw rod and the connecting frame facilitates the limit plate to be telescopic when in use.

[0010] Preferably, the fixed cylinder is symmetrically arranged with respect to the center line of the limit plate, and the slider forms a telescopic structure with the fixed cylinder through a spring. The cooperation between the slider, the spring and the fixed cylinder facilitates the slider to be telescoped left and right during use.

[0011] Preferably, the slide groove and the slider are slidably connected, and the slider forms a sliding structure with the slide groove through a spring. The cooperation between the slider, the spring and the slide groove facilitates improving the stability of the slider's left-right extension and retraction during use.

[0012] Preferably, the slider and the limit frame form an integrated structure, and the limit frame forms a telescopic structure through the slider and the spring. The cooperation between the limit frame, the slider and the spring facilitates the limit frame to be telescoped left and right during use.

[0013] Preferably, a support pad is fixedly connected to the bottom of the welding body, and the lifting assembly includes a mounting plate, an electric push rod and a placement frame. The inner bottom wall of the welding body is fixedly connected to the mounting plate, the top of the mounting plate is fixedly connected to the electric push rod, the top of the electric push rod is fixedly connected to the placement frame, and the placement frame forms a lifting structure through the electric push rod and the mounting plate. Through the cooperation between the placement frame, the electric push rod and the mounting plate, it is convenient to drive the placement frame to rise and fall during use.

[0014] Preferably, the outer wall of the placement rack is fixedly connected to a connecting rack, and the connecting rack forms a lifting structure through the placement rack and the electric push rod. Through the cooperation between the connecting rack, the placement rack and the electric push rod, it is convenient to drive the connecting rack to lift and lower during use.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a pressure vessel welding device for chemical industry, which adopts the mutual cooperation of limit components to achieve the effect of fixing the pressure vessel, drives the limit plate to move left and right by rotating the screw, so as to facilitate the movement of the limit plate to the outer wall of the pressure vessel, and fixes the pressure vessel again by the limit frame, and facilitates the fixation of pressure vessels of different sizes by the expansion and contraction rebound of the spring, and tries to avoid the problem of position displacement of the pressure vessel due to insufficient tightening during processing, and at the same time tries to make the equipment more convenient in use, thereby improving the practicality of the equipment.

[0017] 2. The utility model provides a pressure vessel welding equipment for chemical industry, which adopts the mutual cooperation of lifting components to achieve the effect of adjusting the height. By turning on the electric push rod to drive the placement frame to move up and down, it is convenient to adjust the height and weld pressure vessels of different heights, thereby improving the adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the lifting component in the utility model;

[0022] Figure 4 It is a schematic diagram of the limit fixing structure in the utility model;

[0023] Figure 5 For the utility model Figure 4 A magnified view of the structure in the middle.

[0024] In the figure: 1. welding body; 2. lifting assembly; 201. mounting plate; 202. electric push rod; 203. placement rack; 3. support pad; 4. limit assembly; 401. connecting rack; 402. screw; 403. limit plate; 404. fixing cylinder; 405. spring; 406. slider; 407. slide groove; 408. limit rack. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] A preferred embodiment of the chemical pressure vessel welding equipment provided by the utility model is as follows Figures 1 to 5 As shown: it includes a welding body 1, the interior of the welding body 1 is fixedly connected with a lifting component 2, the outer wall of the lifting component 2 is fixedly connected with a limiting component 4, the limiting component 4 includes a connecting frame 401, a screw 402, a limiting plate 403, a fixed cylinder 404, a spring 405, a slider 406, a slide groove 407 and a limiting frame 408, the internal thread of the connecting frame 401 is connected with the screw 402, the output end of the screw 402 is fixedly connected to the limiting plate 403 through a coupling, and the outer wall of the limiting plate 403 is fixedly connected with the fixed cylinder 404.

[0028] A spring 405 is fixedly connected inside the fixed cylinder 404 , a slider 406 is fixedly connected to the outer wall of the spring 405 , a limiting frame 408 is fixedly connected to the outer wall of the slider 406 , and a sliding groove 407 is provided on the inner bottom wall of the fixed cylinder 404 .

[0029] In this embodiment, the screw 402 and the limit plate 403 form an integrated structure, and the limit plate 403 forms a telescopic structure through the screw 402 and the connecting frame 401. The screw 402 is manually rotated to drive the limit plate 403 to move left and right to the outer wall of the pressure vessel to limit the pressure vessel.

[0030] Example 2

[0031] Based on Example 1, a preferred embodiment of a chemical pressure vessel welding device provided by the utility model is as follows: Figures 1 to 5 As shown: the fixed cylinder 404 is symmetrically arranged with respect to the center line of the limit plate 403, and the slider 406 forms a telescopic structure with the fixed cylinder 404 through the spring 405. According to the size of the pressure vessel, the slider 406 is pulled to one side, and the slider 406 is driven to telescope to a suitable position under the expansion and contraction of the spring 405.

[0032] In this embodiment, the slide groove 407 and the slider 406 are slidably connected, and the slider 406 forms a sliding structure with the slide groove 407 through the spring 405. By pulling the slider 406, the slider 406 slides left and right inside the slide groove 407, thereby improving the sliding stability of the slider 406.

[0033] Furthermore, the slider 406 and the limit frame 408 form an integrated structure, and the limit frame 408 forms a telescopic structure through the slider 406 and the spring 405. By pulling the limit frame 408 to one side, the slider 406 is driven to slide to one side, and the limit frame 408 is driven to telescope to the outer wall of the pressure vessel under the expansion and contraction of the spring 405, thereby fixing the pressure vessel.

[0034] Furthermore, the bottom of the welding body 1 is fixedly connected to a support pad 3, the lifting assembly 2 includes a mounting plate 201, an electric push rod 202 and a placement rack 203, the inner bottom wall of the welding body 1 is fixedly connected to the mounting plate 201, the top of the mounting plate 201 is fixedly connected to the electric push rod 202, the top of the electric push rod 202 is fixedly connected to the placement rack 203, and the placement rack 203 forms a lifting structure with the mounting plate 201 through the electric push rod 202, by placing the pressure vessel on the top of the placement rack 203, the electric push rod 202 is immediately turned on to drive the placement rack 203 and the pressure vessel to be lifted and lowered to a suitable position.

[0035] In addition, the outer wall of the placement rack 203 is fixedly connected with the connecting rack 401 , and the connecting rack 401 forms a lifting structure through the placement rack 203 and the electric push rod 202 , and the lifting of the placement rack 203 drives the lifting of the connecting rack 401 .

[0036] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0037] Working principle: when in use, first place the pressure vessel on the top of the placement rack 203, then manually rotate the screw 402 to drive the limit plate 403 to move left and right to the outer wall of the pressure vessel to limit the pressure vessel, and then pull the limit rack 408 to one side according to the size of the pressure vessel, thereby driving the slider 406 to slide to one side inside the slide groove 407, and under the extension and contraction of the spring 405, drive the limit rack 408 to extend to the outer wall of the pressure vessel to fix the pressure vessel, and then turn on the electric push rod 202 according to the user's needs to drive the placement rack 203 and the connecting rack 401 and the pressure vessel to rise and fall to the appropriate position, and then the pressure vessel can be processed (the model of the electric push rod 202 is BDL52X).

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A chemical pressure vessel welding equipment, characterized in that: The invention comprises a welding machine body (1), wherein a lifting assembly (2) is fixedly connected to the inside of the welding machine body (1), and a limiting assembly (4) is fixedly connected to the outer wall of the lifting assembly (2), and the limiting assembly (4) comprises a connecting frame (401), a screw rod (402), a limiting plate (403), a fixing cylinder (404), a spring (405), a sliding block (406), a sliding groove (407) and a limiting frame (408), wherein the inner thread of the connecting frame (401) is connected to the screw rod (402), the output end of the screw rod (402) is fixedly connected to the limiting plate (403) via a coupling, and the outer wall of the limiting plate (403) is fixedly connected to the fixing cylinder (404); A spring (405) is fixedly connected inside the fixed cylinder (404), a slider (406) is fixedly connected to the outer wall of the spring (405), a limiting frame (408) is fixedly connected to the outer wall of the slider (406), and a sliding groove (407) is provided on the inner bottom wall of the fixed cylinder (404).

2. A chemical pressure vessel welding equipment according to claim 1, characterized in that: The screw rod (402) and the limiting plate (403) form an integrated structure, and the limiting plate (403) forms a telescopic structure through the screw rod (402) and the connecting frame (401).

3. The chemical pressure vessel welding equipment according to claim 1, characterized in that: The fixed cylinder (404) is symmetrically arranged with respect to the center line of the limiting plate (403), and the sliding block (406) forms a telescopic structure with the fixed cylinder (404) via a spring (405).

4. The chemical pressure vessel welding equipment according to claim 1, characterized in that: The slide groove (407) and the slider (406) are slidably connected, and the slider (406) forms a sliding structure with the slide groove (407) through the spring (405).

5. The chemical pressure vessel welding equipment according to claim 1, characterized in that: The slider (406) and the limiting frame (408) form an integrated structure, and the limiting frame (408) forms a telescopic structure through the slider (406) and the spring (405).

6. The chemical pressure vessel welding equipment according to claim 1, characterized in that: The bottom of the welding machine body (1) is fixedly connected to a support pad (3); the lifting assembly (2) comprises a mounting plate (201), an electric push rod (202) and a placement rack (203); the inner bottom wall of the welding machine body (1) is fixedly connected to the mounting plate (201); the top of the mounting plate (201) is fixedly connected to the electric push rod (202); the top of the electric push rod (202) is fixedly connected to the placement rack (203); and the placement rack (203) forms a lifting structure with the mounting plate (201) through the electric push rod (202).

7. A chemical pressure vessel welding equipment according to claim 6, characterized in that: The outer wall of the placement rack (203) is fixedly connected to a connecting rack (401), and the connecting rack (401) forms a lifting structure through the placement rack (203) and the electric push rod (202).

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