CN211564928U - Circumferential welding tool for connecting bottle caps of liquefied gas bottles - Google Patents

Abstract

The utility model relates to the technical field of welding equipment, in particular to a girth welding tool for connecting a cap of a liquefied gas cylinder, comprising a base and a welding mechanism. It includes a sliding rod, a welding head and an angle adjustment component, as well as a controller and a fixing mechanism. The controller is arranged on the outer wall of the vertical plate. The fixing mechanism includes a processing table, a driving component, a grabbing component and four sets of clamping components. The welding head, the angle adjusting assembly, the driving assembly, the grabbing assembly and the four groups of clamping assemblies are all electrically connected with the controller. The manual welding method is transformed into an automatic welding method, which improves the welding efficiency. The processing table is designed to be rotated, and the air gripper is used for welding and rotation, which avoids the accuracy control problem of the existing manual welding method and further optimizes the liquefied gas cylinder. Body and bottle body welding work.

Description

A girth welding tool for connecting the cap of a liquefied gas cylinder body

technical field

The utility model relates to the technical field of welding equipment, in particular to a ring welding tool for connecting the caps of liquefied gas cylinders.

Background technique

Liquefied gas cylinder refers to a storage tank used to store liquefied gas. When there is liquefied gas in it, the pressure is very high. A slight improper operation may cause an explosion. It is a special equipment. The product itself is made of steel and has a certain compressive capacity. The maximum pressure of liquefied gas cylinders is 2.1 MPa.

Liquefied gas cylinders are widely used in the lives of urban and rural residents and in food stalls, small restaurants and small restaurants in cities and towns. The production quality of liquefied gas cylinders plays a vital role in the safety of people's lives and property. The existing liquefied gas cylinder body and cap welding equipment is relatively lacking, the welding method is generally manual manual welding, the welding efficiency is low, and the welding quality is unstable. It rotates around the bottle body to complete the welding work of the entire annular connection between the bottle body and the bottle cap.

Therefore, according to the shortcomings of the existing technology, it is necessary to design a liquefied gas cylinder body cap connection that can replace manual work and realize automatic welding, and at the same time, it does not require frequent intervention of workers during the welding process, and the labor intensity is small. Ring welding tooling.

Utility model content

The purpose of the utility model is to provide a ring welding tool for connecting the cap of a liquefied gas cylinder body.

For this purpose, the utility model adopts the following technical solutions:

Provided is a girth welding tool for connecting a liquefied gas cylinder body and a cap, comprising a base and a welding mechanism, the base is arranged horizontally, and a vertical plate is vertically arranged on the top of the base, and the welding mechanism is slidably arranged on a screw slide table. The top of the base is used to weld the bottle body and the bottle cap, and the welding mechanism includes a sliding rod, a welding head and an angle adjustment assembly. The welding head is fixed on the angle adjustment assembly, and also includes a controller and a fixing mechanism, the controller is arranged on the outer wall of the vertical plate, and the fixing mechanism is arranged on the base to fix the bottle body and the bottle cap during welding, The fixing mechanism includes a processing table, a driving component, a grabbing component and four sets of clamping components, the processing table is rotatably arranged on the top of the base through a rotating shaft, and the driving component is arranged on the side of the processing table and is rotatably connected with it , four sets of clamping components are arranged at the top of the processing table at equal intervals, the grasping components are slidably arranged on the top of the vertical plate, the welding head, the angle adjustment component, the driving component, the grasping component and the four sets of clamping components are all controlled The device is electrically connected.

Preferably, the angle adjustment assembly includes a servo motor and a support plate, the servo motor is fixed on an outer wall at the top of the sliding rod, its output shaft passes through the sliding rod, and the supporting plate is provided on the top of the sliding rod away from the servo motor The outer wall of the servo motor is fixedly connected to its output shaft, and the servo motor is electrically connected to the controller.

Preferably, the top of the processing table is provided with a ring of racks along its circumferential direction, the drive assembly includes a stepper motor and a gear, the stepper motor is horizontally arranged on the base, and the gear is sleeved at the output end thereof On the top, the rack is meshed with the gear, and the stepper motor is electrically connected to the controller.

Preferably, the bottom outer wall of the rotating shaft is sleeved with a bearing, the base is provided with a groove for accommodating the bearing, the inner ring of the bearing is fixedly connected with the outer wall of the rotating shaft, and the outer ring is connected with the accommodating groove. The inner wall is fixedly connected.

Preferably, each set of the clamping assemblies includes a cylinder and a clamping plate, the cylinder is fixed on the top of the processing table, the clamping plate is fixed on the output end of the cylinder, and the clamping plate is integrally formed An arc-shaped groove that can be fitted with the outer wall of the liquefied gas cylinder is provided, and the cylinder is electrically connected to the controller.

Preferably, the grab assembly includes a lift plate, a hydraulic rod and an air gripper, the lift plate is slidably arranged on the top of the vertical plate through two symmetrically arranged sliding bars, and the air gripper is fixedly arranged at the position of the lift plate away from the vertical plate. At one end of the bottom, the hydraulic rod is fixed on the outer wall of the vertical plate, and the output end of the hydraulic rod is fixedly connected to the lifting plate, and the air gripper and the hydraulic rod are both electrically connected to the controller.

Preferably, the top of the vertical plate is provided with a chute for the lift plate to slide.

Preferably, the top of the processing table is provided with an overlapping groove for placing the liquefied gas cylinder body.

The beneficial effects of the utility model are as follows: when the liquefied gas cylinder body cap is welded, the bottle body is first placed vertically into the lap groove on the processing table by hand, and when the bottle body is vertically placed on the lap joint on the processing table After connecting into the groove, the controller activates the four cylinders, so that the output ends of the four cylinders are extended, and then the four clamping plates are extended to clamp the bottle body. The design of the arc groove makes the clamping plate and the bottle The outer wall is fully fitted, which further improves the fixing effect of the bottle body and is conducive to the welding work.

After the bottle body is fixed on the top of the processing table, the air gripper is activated by the controller to hold the bottle cap tightly, and then the hydraulic rod is activated by the controller, so that the output end of the bottle is contracted, and then the lifting plate is lowered, that is, the top of the vertical plate is facing Slide down until the cap fits the bottle body.

After the bottle cap and the bottle body are attached, start the welding head through the controller to weld the connection between the bottle body and the bottle cap. When encountering a small welding point, start the servo motor through the controller, thereby driving the support plate to rotate , and then adjust the welding angle of the welding head to meet the welding point requirements of different positions. While the welding head is welding, the stepper motor is started through the controller to drive the gear to rotate. Because the gear is meshed with the rack, the rack is It is fixed on the top of the processing table in the circumferential direction, so it drives the processing table to rotate, and the rotating shaft provides rotation support, and then welds the connection between the bottle body and the bottle cap in sequence. The table is rotated, the air gripper is re-tightened, and then the next point is welded, and the process is carried out in sequence until the girth welding work is completed.

The utility model relates to a ring welding tool for connecting the cap of a liquefied gas cylinder. By designing a welding mechanism, a controller and a fixing mechanism, and by cooperating with each other, the existing manual welding method is transformed into an automatic welding method, and the speed is accelerated. The welding time is shortened, the welding efficiency is improved, and the welding quality is guaranteed. At the same time, there is no need for workers to intervene frequently during the welding process, and the labor intensity is small, which is conducive to saving labor. The processing table is designed to rotate, and the air gripper is used for side welding. The side rotation avoids the problem of precision control of the existing manual welding method, and can accurately weld the connection between the liquefied gas cylinder body and the bottle body, which further optimizes the welding work of the liquefied gas cylinder body and the bottle body.

Description of drawings

In order to describe the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings in the embodiments of the present invention are briefly introduced below.

Fig. 1 is the three-dimensional structure schematic diagram one of the present utility model;

Fig. 2 is the enlarged view of A place in Fig. 1;

Fig. 3 is the three-dimensional structure schematic diagram two of the utility model;

Fig. 4 is the enlarged view of B place in Fig. 3;

Fig. 5 is the front view of the utility model;

FIG. 6 is a schematic three-dimensional structure diagram of a base, a bearing and a rotating shaft of the present invention;

In the figure: base 1, welding mechanism 2, vertical plate 3, screw slide table 4, slide rod 5, welding head 6, angle adjustment assembly 7, controller 8, fixing mechanism 9, processing table 10, drive assembly 11, gripper Take assembly 12, clamping assembly 13, rotating shaft 14, servo motor 15, support plate 16, rack 17, stepping motor 18, gear 19, bearing 20, cylinder 21, clamping plate 22, lifting plate 23, hydraulic rod 24, air gripper 25, slider 26.

Detailed ways

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

Among them, the accompanying drawings are only used for exemplary description, and they are only schematic diagrams, not physical drawings, and should not be construed as restrictions on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlarged or reduced, does not represent actual product size.

Referring to Fig. 1 to Fig. 6, a girth welding tool for connecting the cap of a liquefied gas cylinder body, comprising a base 1 and a welding mechanism 2, the base 1 is arranged horizontally, and a vertical plate 3 is vertically arranged on the top thereof, The welding mechanism 2 is slidably arranged on the top of the base 1 through the screw slide table 4 to weld the bottle body and the bottle cap. The welding mechanism 2 includes a sliding rod 5, a welding head 6 and an angle adjustment assembly 7. On the lead screw slide table 4, the angle adjustment assembly 7 is arranged on the top of the sliding rod 5, and the welding head 6 is fixedly arranged on the angle adjustment assembly 7, and also includes a controller 8 and a fixing mechanism 9. The controller 8 is arranged on the outer wall of the vertical plate 3, the fixing mechanism 9 is arranged on the base 1 to fix the bottle body and the bottle cap during welding, the fixing mechanism 9 includes a processing table 10, a driving assembly 11, a grabbing assembly 12 and four groups The clamping assembly 13, the processing table 10 is rotatably disposed on the top of the base 1 through the rotating shaft 14, the driving assembly 11 is disposed on the side of the processing table 10 and is rotatably connected with it, and the four groups of clamping assemblies 13 are equally spaced Set on the top of the processing table 10, the grabbing assembly 12 is slidably disposed on the top of the vertical plate 3, the welding head 6, the angle adjusting assembly 7, the driving assembly 11, the grabbing assembly 12 and the four sets of clamping assemblies 13 are all connected with the control The device 8 is electrically connected.

The angle adjustment assembly 7 includes a servo motor 15 and a support plate 16. The servo motor 15 is fixed on an outer wall of the top of the slide bar 5, and its output shaft passes through the slide bar 5. The support plate 16 is provided on the slide bar. 5. The top is far away from the outer wall of the servo motor 15 and is fixedly connected to its output shaft. The servo motor 15 is electrically connected to the controller 8. After the bottle cap is attached to the bottle body, the welding head 6 is activated through the controller 8 to adjust the bottle body and the bottle body. The bottle cap connection is welded. When encountering a small welding point, the controller 8 starts the servo motor 15 to drive the support plate 16 to rotate, and then adjust the welding angle of the welding head 6 to meet the welding points of different positions. bit requirements.

The top of the processing table 10 is provided with a ring of racks 17 along its circumferential direction. The drive assembly 11 includes a stepping motor 18 and a gear 19. The stepping motor 18 is horizontally arranged on the base 1, and the gear 19 is sleeved. On its output end, the rack 17 is meshed with the gear 19, and the stepper motor 18 is electrically connected to the controller 8. While the welding head 6 is being welded, the stepper motor 18 is activated by the controller 8, thereby driving The gear 19 rotates, because the gear 19 is meshed with the rack 17, and the rack 17 is fixed on the top circumferential direction of the processing table 10, thus driving the processing table 10 to rotate, and the rotating shaft 14 provides rotation support, and then the bottle body and the bottle are rotated. Weld the joint of the cover.

The bottom outer wall of the rotating shaft 14 is sleeved with a bearing 20 , the base 1 is provided with a groove for accommodating the bearing 20 , the inner ring of the bearing 20 is fixedly connected with the outer wall of the rotating shaft 14 , and the outer ring is It is fixedly connected with the inner wall of the accommodating groove, and the groove is used to place the bearing 20. When the rotating shaft 14 drives the processing table 10 to rotate, the bearing 20 reduces the frictional force, thereby making the rotation of the processing table 10 smoother and further. Improve welding efficiency.

Each set of the clamping assemblies 13 includes an air cylinder 21 and a clamping plate 22, the air cylinder 21 is fixed on the top of the processing table 10, the clamping plate 22 is fixed on the output end of the air cylinder 21, and clamps The plate 22 is integrally formed with an arc-shaped groove that can fit with the outer wall of the liquefied gas cylinder. The cylinder 21 is electrically connected to the controller 8. When the cylinder body is vertically placed into the lap groove on the processing table 10 , through the controller 8 to activate the four cylinders 21, so that the output ends of the four cylinders 21 are extended, and then the four clamping plates 22 are extended to clamp the bottle body. The design of the arc groove makes the clamping plates 22 and the The outer wall of the bottle is fully fitted, which further improves the fixing effect of the bottle body and is conducive to the welding work.

The grab assembly 12 includes a lift plate 23, a hydraulic rod 24 and an air gripper 25. The lift panel 23 is slidably arranged on the top of the vertical plate 3 through two symmetrically arranged sliding bars 26, and the air gripper 25 is fixedly arranged on the lifter. The bottom end of the plate 23 is far away from the vertical plate 3, the hydraulic rod 24 is fixed on the outer wall of the vertical plate 3, and the output end of the hydraulic rod 24 is fixedly connected with the lifting plate 23, and the air gripper 25 and the hydraulic rod 24 are both connected with The controller 8 is electrically connected. After the bottle body is fixed on the top of the processing table 10, the air gripper 25 is activated by the controller 8 to grasp the bottle cap, and then the hydraulic rod 24 is activated by the controller 8, so that the output end of the bottle is contracted. Then, the lifting plate 23 is driven to descend, that is, slide down on the top of the vertical plate 3 until the bottle cap and the bottle body fit together.

The top of the vertical plate 3 is provided with a chute for the lift plate 23 to slide. When the lift plate 23 slides on the top of the vertical plate 3 , the slide slot provides a sliding space for the lift plate 23 .

The top of the processing table 10 is provided with a lap groove for the liquefied gas cylinder body to be placed. When welding the lid of the liquefied gas cylinder body, first manually place the bottle body vertically into the lap joint groove on the processing table 10. Inside.

The working principle of the utility model: when welding the cap of the liquefied gas cylinder body, first place the bottle body vertically into the lap groove on the processing table 10 manually, and when the bottle body is vertically placed on the processing table 10 After entering the lap groove, the four cylinders 21 are activated by the controller 8, so that the output ends of the four cylinders 21 are extended, and then the four clamping plates 22 are extended to clamp the bottle body. The design of the arc-shaped groove The clamping plate 22 is fully fitted with the outer wall of the bottle, which further improves the fixing effect of the bottle body and is beneficial to the welding work.

After the bottle body is fixed on the top of the processing table 10, the air gripper 25 is activated by the controller 8 to grasp the bottle cap, and then the hydraulic rod 24 is activated by the controller 8, so that the output end of the bottle is contracted, thereby driving the lifting plate 23 to descend, That is, slide down on the top of the vertical plate 3 until the bottle cap fits the bottle body.

After the bottle cap is attached to the bottle body, start the welding head 6 through the controller 8 to weld the connection between the bottle body and the bottle cap. When encountering a small welding point, start the servo motor 15 through the controller 8, thereby Drive the support plate 16 to rotate, and then adjust the welding angle of the welding head 6 to meet the welding point requirements of different positions. While the welding head 6 is welding, the stepper motor 18 is started by the controller 8 to drive the gear 19 to rotate. The gear 19 is meshed and connected with the rack 17, and the rack 17 is fixed on the top circumferential direction of the processing table 10, thereby driving the processing table 10 to rotate, and the rotating shaft 14 provides rotation support, and then the connection between the bottle body and the bottle cap is in turn. Welding is carried out, when the welding of one point is completed, the air gripper 25 is released, the processing table 10 is rotated, and the air gripper 25 is re-tightened, and then the next point is welded, and the process is performed in sequence until the circumferential welding work is completed.

The groove is used to place the bearing 20 . When the rotating shaft 14 drives the processing table 10 to rotate, the bearing 20 reduces the frictional force, thereby making the rotation of the processing table 10 smoother and further improving the welding efficiency.

Claims (8)

1. The utility model provides a liquefied gas bottle lid is connected with circumferential weld frock, includes base (1) and welding mechanism (2), base (1) is the level setting to its top is vertical to be provided with riser (3), welding mechanism (2) slide through lead screw slip table (4) and establish the top in base (1) with welding bottle and bottle lid, and welding mechanism (2) include slide bar (5), bonding tool (6) and angle adjusting component (7), slide bar (5) slide and establish on lead screw slip table (4), the top at slide bar (5) is established in angle adjusting component (7), bonding tool (6) are fixed to be established on angle adjusting component (7), its characterized in that: also comprises a controller (8) and a fixing mechanism (9), the controller (8) is arranged on the outer wall of the vertical plate (3), the fixing mechanism (9) is arranged on the base (1) to fix the bottle body and the bottle cap during welding, the fixing mechanism (9) comprises a processing table (10), a driving assembly (11), a grabbing assembly (12) and four groups of clamping assemblies (13), the processing table (10) is rotatably arranged at the top of the base (1) through a rotating shaft (14), the driving assembly (11) is arranged beside the processing table (10) and is rotationally connected with the processing table, the four groups of clamping assemblies (13) are arranged at the top of the processing table (10) at equal intervals, the grabbing component (12) is arranged at the top of the vertical plate (3) in a sliding mode, and the welding head (6), the angle adjusting component (7), the driving component (11), the grabbing component (12) and the four groups of clamping components (13) are all electrically connected with the controller (8).

2. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 1, wherein: the angle adjusting assembly (7) comprises a servo motor (15) and a supporting plate (16), the servo motor (15) is fixedly arranged on an outer wall of the top of the sliding rod (5), an output shaft of the servo motor penetrates through the sliding rod (5), the supporting plate (16) is arranged on an outer wall of the top of the sliding rod (5) far away from the servo motor (15) and is fixedly connected with the output shaft of the sliding rod, and the servo motor (15) is electrically connected with the controller (8).

3. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 2, wherein: processing platform (10) top is equipped with round rack (17) along its circumferencial direction, drive assembly (11) include step motor (18) and gear (19), step motor (18) level is established on base (1), gear (19) cover is established on its output, rack (17) are connected with gear (19) meshing to step motor (18) are connected with controller (8) electricity.

4. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 3, wherein: the bearing (20) is sleeved on the outer wall of the bottom of the rotating shaft (14), a groove for accommodating the bearing (20) is formed in the base (1), the inner ring of the bearing (20) is fixedly connected with the outer wall of the rotating shaft (14), and the outer ring of the bearing is fixedly connected with the inner wall of the accommodating groove.

5. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 4, wherein: every group centre gripping subassembly (13) all include cylinder (21) and grip block (22), cylinder (21) are fixed to be established at the top of processing platform (10), grip block (22) are fixed to be established on the output of cylinder (21) to integrated into one piece is provided with the arc wall that can laminate with liquefied gas bottle outer wall on grip block (22), cylinder (21) are connected with controller (8) electricity.

6. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 5, wherein: the grabbing component (12) comprises a lifting plate (23), a hydraulic rod (24) and a pneumatic claw (25), the lifting plate (23) is arranged at the top of the vertical plate (3) in a sliding mode through two sliding strips (26) which are symmetrically arranged, the pneumatic claw (25) is fixedly arranged at one end of the bottom of the lifting plate (23) far away from the vertical plate (3), the hydraulic rod (24) is fixedly arranged on the outer wall of the vertical plate (3), the output end of the hydraulic rod (24) is fixedly connected with the lifting plate (23), and the pneumatic claw (25) and the hydraulic rod (24) are both electrically connected with the controller (8).

7. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 6, wherein: the top of the vertical plate (3) is provided with a sliding groove for the lifting plate (23) to slide.

8. The circumferential welding tool for connecting the bottle caps of liquefied gas bottles as claimed in claim 1, wherein: the top of the processing table (10) is provided with a lap joint groove for placing the liquefied gas bottle body.

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