Pressure vessel welding tool clamp

Abstract

The utility model discloses a pressure vessel welding tool clamp which comprises a base, the upper surface of the base is connected with a sliding connection plate in a sliding mode, and the interior of the sliding connection plate is connected with idler wheels in a sliding mode. The output end of the second motor is fixedly connected with a lead screw, the exterior of the lead screw is in threaded connection with a sliding connection plate, the upper surface of the sliding connection plate is fixedly connected with a lap joint body, the exterior of the lap joint body is rotationally connected with an adapter, the interior of the adapter is slidably connected with a sliding block, and the exterior of the sliding block is fixedly connected with a clamping ring. By means of the structure, the sliding connection plate is driven by the lead screw to move and can be attached to pressure containers of different sizes, the clamping ring and the clamping buckle are clamped by sliding the sliding block, so that the end of the pressure container is fixed, the pressure container can be driven to rotate through the rolling wheel, and welding work is conveniently conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a pressure vessel welding tooling fixture. Background Art

[0002] A pressure vessel is a closed device used to hold gas or liquid and can withstand a certain pressure. Pressure vessels are widely used and play an important role in the industrial field. Their main function is to seal the substances inside the container while ensuring the safety of long-term work. For example, a Chinese patent discloses a pressure vessel welding fixture, and its application number is: CN201920553362.1. The inside of the transverse positioning hole is provided with a transverse adjustment bolt that can limit the forward and backward movement of the pressure vessel. The transverse adjustment bolt passes through the transverse positioning hole and abuts against the pressure vessel. By setting a transverse adjustment mechanism, the positioning of the pressure vessel is achieved, which is convenient for fixation and welding. However, during the welding process, the pressure vessel needs to be manually adjusted to adjust the welding position. No automatic dialing mechanism is provided to allow the pressure vessel to rotate automatically, which is convenient for rapid welding. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a pressure vessel welding fixture, which can fit pressure vessels of different sizes by driving a sliding plate to move through a screw rod, and can engage a clamping ring with a buckle by sliding a slider to fix the end of the pressure vessel, and can drive the pressure vessel to rotate by a roller to facilitate welding work.

[0004] The present utility model also provides a welding fixture for a pressure vessel having the above-described one, including: a base, an installation plate fixedly connected to the upper surface of the base, a vertical plate fixedly connected to the side surface of the installation plate, a clamping assembly provided on the lower surface of the base, a sliding plate slidably connected to the upper surface of the base, a first motor fixedly connected to the upper surface of the sliding plate, a first gear fixedly connected to the output end of the first motor, a second gear externally engaged with the first gear, a connecting shaft fixedly connected to the inside of the second gear, and a roller fixedly connected to the outside of the connecting shaft; a second motor, a lead screw fixedly connected to the output end of the second motor, the outside of the lead screw being threadedly connected to the sliding plate, a lapping body fixedly connected to the upper surface of the sliding plate, a mating body rotatably connected to the outside of the lapping body, a slider slidably connected to the inside of the mating body, a snap ring fixedly connected to the outside of the slider, a guide rail fixedly connected to the upper surface of the base, and the outside of the guide rail being slidably connected to the sliding plate. Through the above components, the sliding plate is driven to move by the lead screw, so as to fit pressure vessels of different sizes. The snap ring is engaged with the buckle by sliding the slider, thereby fixing the bottom of the pressure vessel. The pressure vessel can be driven to rotate by the roller, facilitating the welding operation.

[0005] According to the welding fixture for a pressure vessel of the present utility model, there are a plurality of rollers symmetrically distributed on the outside of the connecting shaft, and the outside of the plurality of rollers is slidably connected to the sliding plate. Through the above components, the pressure vessel is pushed by the rollers, facilitating the rotation of the position to be welded.

[0006] According to the welding fixture for a pressure vessel of the present utility model, the end of the lead screw away from the second motor is rotatably connected to the vertical plate. Through the above components, the lead screw is fixed to prevent lateral offset during rotation.

[0007] According to the welding fixture for a pressure vessel of the present utility model, the clamping assembly includes a cylinder, a frame fixedly connected to the output end of the cylinder, a bent connecting rod rotatably connected to the outside of the frame, and a pressing block fixedly connected to the end of the bent connecting rod away from the frame. Through the above components, the bent connecting rod is driven by the frame to make the pressing block fix the outside of the pressure vessel, making the butt joint of the welding position more accurate.

[0008] According to the welding fixture for a pressure vessel of the present utility model, a transverse shaft is fixedly connected to the inside of the bent connecting rod, another bent connecting rod is fixedly connected to the outside of the transverse shaft, one end of the another bent connecting rod is rotatably connected to a fixed block, and the upper surface of the fixed block is fixedly connected to the base. Through the above components, the two bent connecting rods can be rotated simultaneously by the transverse shaft, facilitating the smooth adjustment of the welding position of the pressure vessel.

[0009] A welding fixture for a pressure vessel according to the present utility model, one end of the horizontal axis away from the bent connecting rod is fixedly connected with a handle, and an anti-slip portion is arranged on the outer portion of the handle. Through the above components, the rotation direction of the horizontal axis can be adjusted more stably through the handle.

[0010] A welding fixture for a pressure vessel according to the present utility model, the inside of the snap ring is snap-fitted with a buckle during work. Through the above components, through the snap fit between the snap ring and the buckle, the end of the pressure vessel can be stably fixed, preventing misalignment when pushing the pressure vessel to rotate.

[0011] A welding fixture for a pressure vessel according to the present utility model, an elastic member is arranged on the outer portion of the horizontal axis, and the elastic member is located between the frame body and the fixed block. Through the above components, the elastic member enables the frame body and the fixed block to move more stably, preventing excessive movement.

[0012] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0014] Figure 1 is the complete structure diagram of the welding fixture for the pressure vessel of the present utility model;

[0015] Figure 2 is the side view structure diagram of the welding fixture for the pressure vessel of the present utility model;

[0016] Figure 3 is the transmission mechanism structure diagram of the welding fixture for the pressure vessel of the present utility model;

[0017] Figure 4 is the partial structure diagram at A of the welding fixture for the pressure vessel of the present utility model.

[0018] Legend Explanation:

[0019] 1. Base; 2. Mounting plate; 3. Vertical plate; 4. Sliding plate; 5. First motor; 6. Second motor; 7. Gear one; 8. Gear two; 9. Connecting shaft; 10. Roller; 11. Lead screw; 12. Lapping body; 13. Fitting body; 14. Slide block; 15. Snap ring; 16. Guide rail; 17. Buckle; 18. Cylinder; 19. Frame body; 20. Bent connecting rod; 21. Pressure block; 22. Horizontal axis; 23. Fixed block; 24. Elastic member; 25. Handle. Detailed Implementation Modes

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0021] Referring to Figures 1-4 , an embodiment of the present utility model provides a welding tooling fixture for a pressure vessel, which includes: a base 1, an installation plate 2 is fixedly connected to the upper surface of the base 1, which is the part for placing the pressure vessel. A vertical plate 3 is fixedly connected to the side surface of the installation plate 2 to block the side part of the pressure vessel. A clamping assembly is arranged on the lower surface of the base 1. A sliding plate 4 is slidably connected to the upper surface of the base 1, which is a fixing component. A first motor 5 is fixedly connected to the upper surface of the sliding plate 4 to drive the first gear 7 to rotate. The output end of the first motor 5 is fixedly connected to the first gear 7 to drive the second gear 8 to rotate. The first gear 7 is externally meshed with the second gear 8. A connecting shaft 9 is fixedly connected to the inside of the second gear 8 to connect the two rollers 10 and at the same time make the two rollers 10 rotate simultaneously. The connecting shaft 9 is externally fixedly connected to the rollers 10 to push the pressure vessel to rotate. There are multiple rollers 10 and they are symmetrically distributed outside the connecting shaft 9. The outside of the multiple rollers 10 is slidably connected to the sliding plate 4;

[0022] A second motor 6, the output end of the second motor 6 is fixedly connected to a lead screw 11 to drive the sliding plate 4 to move. The end of the lead screw 11 away from the second motor 6 is rotatably connected to the vertical plate 3. The outside of the lead screw 11 is threadedly connected to the sliding plate 4. A lapping body 12 is fixedly connected to the upper surface of the sliding plate 4. A mating body 13 is rotatably connected to the outside of the lapping body 12. A slider 14 is slidably connected to the inside of the mating body 13 to drive the snap ring 15 to move, so that the snap ring 15 is engaged with the buckle 17, thereby fixing the end of the pressure vessel. The outside of the slider 14 is fixedly connected to the snap ring 15. The inside of the snap ring 15 is engaged with the buckle 17 during operation. A guide rail 16 is fixedly connected to the upper surface of the base 1 to limit the sliding of the sliding plate 4 and prevent the sliding plate 4 from rotating. The outside of the guide rail 16 is slidably connected to the sliding plate 4

[0023] The clamping assembly includes a cylinder 18, the output end of the cylinder 18 is fixedly connected to a frame 19, which is a component for rotatably fixing the bent connecting rod 20. The frame 19 is rotatably connected to the outside of the bent connecting rod 20. The end of the bent connecting rod 20 away from the frame 19 is fixedly connected to a pressing block 21 to fix the welding position of the pressure vessel. A transverse shaft 22 is fixedly connected to the inside of the bent connecting rod 20, which is a connecting component. The transverse shaft 22 is externally fixedly connected to another bent connecting rod 20. One end of the another bent connecting rod 20 is rotatably connected to a fixed block 23 to adjust and fix the welding position of the pressure vessel. The upper surface of the fixed block 23 is fixedly connected to the base 1.

[0024] An elastic member 24 is provided outside the horizontal axis 22 to prevent excessive movement, so as to avoid misalignment of the welding position of the pressure vessel and affect the welding effect. The elastic member 24 is located between the frame 19 and the fixed block 23. One end of the horizontal axis 22 away from the bent connecting rod 20 is fixedly connected with a grip 25. To adjust the rotation direction, an anti-slip portion is provided outside the grip 25.

[0025] Working principle: First, place the pressure vessel on the mounting plate 2, start the second motor 6 to drive the lead screw 11 to move the sliding plate 4. The sliding plate 4 moves to the relative position of the vertical plate 3, so as to squeeze and fix the side surface of the pressure vessel. Slide the slider 14 to make the snap ring 15 engage with the buckle 17. Start the cylinder 18 to drive the frame 19 to make the bent connecting rod 20 rotate. When the bent connecting rod 20 rotates, it will drive another bent connecting rod 20 to rotate together through the horizontal axis 22, so that the other bent connecting rod 20 drives the fixed block 23 to move, thereby adjusting and fixing the position to be welded. Rotate the grip 25 to drive the lead screw 11 to make the two bent connecting rods 20 move relatively, so as to finely adjust the welding position and ensure the accuracy of the welding position. Start the first motor 5 to drive the gear one 7 to make the gear two 8 rotate. The gear two 8 drives the connecting shaft 9 to make the two rollers 10 rotate, so as to make the pressure vessel rotate and facilitate the welding work.

[0026] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A welding fixture for a pressure vessel, characterized in that, Including: A base (1), an upper surface of the base (1) is fixedly connected with a mounting plate (2), a side surface of the mounting plate (2) is fixedly connected with a vertical plate (3), a clamping assembly is arranged on a lower surface of the base (1), a sliding plate (4) is slidably connected to the upper surface of the base (1), a first motor (5) is fixedly connected to the upper surface of the sliding plate (4), an output end of the first motor (5) is fixedly connected with a first gear (7), an outer part of the first gear (7) is meshed with a second gear (8), a connecting shaft (9) is fixedly connected to an inner part of the second gear (8), and a roller (10) is fixedly connected to an outer part of the connecting shaft (9); A second motor (6), an output end of the second motor (6) is fixedly connected with a lead screw (11), an outer part of the lead screw (11) is in threaded connection with the sliding plate (4), a lapping body (12) is fixedly connected to the upper surface of the sliding plate (4), a mating body (13) is rotatably connected to an outer part of the lapping body (12), a slider (14) is slidably connected to an inner part of the mating body (13), a snap ring (15) is fixedly connected to an outer part of the slider (14), a guide rail (16) is fixedly connected to the upper surface of the base (1), and an outer part of the guide rail (16) is slidably connected with the sliding plate (4).

2. The welding fixture for a pressure vessel according to claim 1, wherein There are multiple rollers (10) which are symmetrically distributed on an outer part of the connecting shaft (9), and outer parts of the multiple rollers (10) are slidably connected with the sliding plate (4).

3. A welding fixture for a pressure vessel according to claim 1, characterized in that, One end of the lead screw (11) away from the second motor (6) is rotatably connected with the vertical plate (3).

4. A welding fixture for a pressure vessel according to claim 1, characterized in that, The clamping assembly includes a cylinder (18), an output end of the cylinder (18) is fixedly connected with a frame body (19), a bent connecting rod (20) is rotatably connected to an outer part of the frame body (19), and a pressing block (21) is fixedly connected to an end of the bent connecting rod (20) away from the frame body (19).

5. A welding fixture for a pressure vessel according to claim 4, characterized in that, A horizontal shaft (22) is fixedly connected to an inner part of the bent connecting rod (20), another bent connecting rod (20) is fixedly connected to an outer part of the horizontal shaft (22), one end of the another bent connecting rod (20) is rotatably connected with a fixed block (23), and an upper surface of the fixed block (23) is fixedly connected with the base (1).

6. The welding fixture for a pressure vessel according to claim 5, wherein, A handle (25) is fixedly connected to an end of the horizontal shaft (22) away from the bent connecting rod (20), and an anti-slip part is arranged on an outer part of the handle (25).

7. A welding fixture for a pressure vessel according to claim 1, characterized in that The snap ring (15) is snap-fitted with a snap fastener (17) during operation.

8. A welding fixture for a pressure vessel according to claim 5, wherein, An elastic member (24) is arranged on an outer part of the horizontal shaft (22), and the elastic member (24) is located between the frame body (19) and the fixed block (23).

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