Automatic welding device for pipe and pipe plate

Abstract

The utility model discloses an automatic pipe and pipe plate welding device which comprises an L-shaped installation plate, an annular sliding groove is formed in the left side face of the L-shaped installation plate, a sliding block is connected to the inner wall of the annular sliding groove in a sliding mode, the left side face of the sliding block is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with a gear. According to the automatic welding device for the pipe and the pipe plate, the sealing bearing, the positive and negative screw rod, the positioning plate and the rotating motor are arranged, the positive and negative screw rod can be conveniently driven to rotate in the inner ring of the sealing bearing through rotation of the rotating motor, and the positive and negative screw rod is in threaded connection with the positioning plate; and meanwhile, two positioning plates can be conveniently driven to get close to each other to fix and limit the tube plate, in addition, a transverse electric telescopic rod and a longitudinal electric telescopic rod are utilized, the welding position of a welding head can be conveniently adjusted, automatic welding of a tube and the tube plate can be conveniently achieved, the welding efficiency and quality are improved, and the manual labor amount is reduced.

Description

Technical Field

[0001] The present application relates to the field of tube sheets, and in particular to an automatic tube-tube sheet welding device. Background Art

[0002] The tube sheet is a round steel plate with holes slightly larger than the outer diameter of the tube drilled in it. It is a round steel that plays the role of fixing the tube and sealing the medium in the heat exchanger. The tube is passed through and welded to fix it. It is an accessory that plays such a role. The accuracy of tube sheet processing, especially the spacing between tube holes and the tolerance of tube diameter, verticality and smoothness, greatly affect the assembly and performance of the chemical equipment listed above.

[0003] At present, the welding of tube sheets and tubes is basically done manually. However, the tube sheets are prone to rotation during manual welding. In addition, manual welding is not only labor-intensive for workers but also results in poor welding uniformity. Therefore, in order to solve the above problems, we provide an automatic tube-tube sheet welding device. Utility Model Content

[0004] The purpose of the utility model is to provide a tube-tube sheet automatic welding device to solve the problems raised in the above background technology.

[0005] The embodiments of this application adopt the following technical solutions:

[0006] A pipe and tube sheet automatic welding device comprises an L-shaped mounting plate, the left side of the L-shaped mounting plate is provided with an annular slide groove, the inner wall of the annular slide groove is slidably connected to a slider, the left side of the slider is fixedly connected to a rotating motor, the output end of the rotating motor is fixedly connected to a gear, the left side of the L-shaped mounting plate is fixedly connected to an annular gear plate, the gear is meshed with the annular gear plate, a transverse electric telescopic rod is fixedly mounted on the outer surface of the rotating motor, a longitudinal electric telescopic rod is fixedly mounted on the left end of the transverse electric telescopic rod, a welding head is fixedly mounted on the rear end of the longitudinal electric telescopic rod, a welding machine is provided above the L-shaped mounting plate, the output end of the welding machine is electrically connected to an elastic connecting wire, the top end of the elastic connecting wire is electrically connected to the welding head, two sealed bearings are fixedly inlaid on the inner side wall of the L-shaped mounting plate, the inner rings of the two sealed bearings are fixedly connected to forward and reverse screws, the outer surfaces of the forward and reverse screws are threadedly connected to two positioning plates, the front side of the L-shaped mounting plate is fixedly connected to the rotating motor, and the output end of the rotating motor is fixedly connected to the front end of the forward and reverse screws.

[0007] Preferably, a reinforcement block is fixedly connected to the inner side wall of the L-shaped mounting plate, and the bottom surface of the reinforcement block is fixedly connected to the inner bottom wall of the L-shaped mounting plate.

[0008] Preferably, a protective pad is fixedly connected to the upper surface of each positioning plate, and the protective pad is made of rubber.

[0009] Preferably, two handles are fixedly connected to the right side of the L-shaped mounting plate, and the outer surface of each handle is provided with anti-slip grooves.

[0010] Preferably, a group of self-locking moving wheels are fixedly connected to the bottom surface of the L-shaped mounting plate, and the welding machine is connected to a power source via a wire.

[0011] Preferably, a control display screen is fixedly connected to the back of the L-shaped mounting plate, and the rotating motor is connected to a power source via a power cord.

[0012] At least one of the above technical solutions adopted in the embodiments of the present application can achieve the following beneficial effects:

[0013] The automatic tube-tube sheet welding device is provided with a sealed bearing, forward and reverse screws, a positioning plate and a rotary motor. The rotation of the rotary motor can conveniently drive the forward and reverse screws to rotate on the inner ring of the sealed bearing, and cooperate with the forward and reverse screws to be threadedly connected with the positioning plate. At the same time, it can conveniently drive the two positioning plates to approach each other to fix and limit the tube sheet.

[0014] The automatic pipe and tube sheet welding device is provided with an annular chute, a slider, a rotating motor, a gear and an annular toothed plate. The rotation of the rotating motor can conveniently drive the gear to follow the rotation, and the gear is meshed with the annular toothed plate. The annular chute is slidably connected to the slider, and can conveniently drive the welding head to rotate during welding. In addition, the horizontal electric telescopic rod and the longitudinal electric telescopic rod are used to conveniently adjust the welding position of the welding head. In combination with the welding machine, the welding head and the elastic connecting line, the automatic welding of pipes and tube sheets can be conveniently performed, which not only improves the welding efficiency and quality, but also reduces the amount of manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 This is a schematic structural diagram of a three-dimensional diagram of an L-shaped mounting plate in the automatic tube-tube-sheet welding device of the present invention;

[0017] Figure 2 This is a rear view of the L-shaped mounting plate in the tube-tube-sheet automatic welding device of the present invention;

[0018] Figure 3 The figure is a cross-sectional view of a side view of an L-shaped mounting plate in the automatic tube-tube-sheet welding device of the present invention;

[0019] Figure 4 : A top view of the L-shaped mounting plate in the automatic tube-tube-sheet welding device of the present invention.

[0020] In the figure: 1. L-shaped mounting plate; 2. Annular slide; 3. Slider; 4. Rotating motor; 5. Gear; 6. Annular gear plate; 7. Horizontal electric telescopic rod; 8. Vertical electric telescopic rod; 9. Welding head; 10. Welding machine; 11. Elastic connecting wire; 12. Sealed bearing; 13. Forward and reverse screws; 14. Positioning plate; 15. Rotating motor; 16. Self-locking moving wheel; 17. Protective pad; 18. Reinforcement block; 19. Handle; 20. Control display screen. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of this application more clear, the technical solutions of this application will be clearly and completely described below in conjunction with the specific embodiments of this application and the corresponding drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0022] The following describes in detail the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0023] See also Figure 1-4 The utility model provides a technical solution for an automatic tube-tube sheet welding device:

[0024] A tube-tube sheet automatic welding device comprises an L-shaped mounting plate 1, an annular chute 2 is provided on the left side of the L-shaped mounting plate 1, a slider 3 is slidably connected to the inner wall of the annular chute 2, a rotating motor 4 is fixedly connected to the left side of the slider 3, a gear 5 is fixedly connected to the output end of the rotating motor 4, an annular gear plate 6 is fixedly connected to the left side of the L-shaped mounting plate 1, the gear 5 is meshed with the annular gear plate 6, a transverse electric telescopic rod 7 is fixedly installed on the outer surface of the rotating motor 4, a longitudinal electric telescopic rod 8 is fixedly installed on the left end of the transverse electric telescopic rod 7, a welding head 9 is fixedly installed on the rear end of the longitudinal electric telescopic rod 8, a welding machine 10 is provided above the L-shaped mounting plate 1, the output end of the welding machine 10 is electrically connected to an elastic connecting wire 11, and the top of the elastic connecting wire 11 is electrically connected to the welding head 9, two sealed bearings 12 are fixedly inlaid on the inner side wall of the L-shaped mounting plate 1, and the inner rings of the two sealed bearings 12 are fixedly connected to forward and reverse screws 13, and the forward and reverse screws The outer surface of the rod 13 is threadedly connected to two positioning plates 14, and a rotating motor 15 is fixedly connected to the front side of the L-shaped mounting plate 1, and the output end of the rotating motor 15 is fixedly connected to the front end of the forward and reverse screw 13; specifically, the rotation of the rotating motor 15 can conveniently drive the forward and reverse screws 13 to rotate on the inner ring of the sealed bearing 12, and cooperate with the forward and reverse screws 13 to be threadedly connected with the positioning plate 14, and at the same time, it can conveniently drive the two positioning plates 14 to approach each other to fix and limit the tube sheet, and the rotation of the rotating motor 4 can conveniently drive the gear 5 to rotate, and cooperate with the gear 5 to engage with the annular gear plate 6, the annular slide groove 2 is slidably connected with the slider 3, and at the same time, it can conveniently drive the welding head 9 to rotate during welding, and use the horizontal electric telescopic rod 7 and the longitudinal electric telescopic rod 8 to conveniently adjust the welding position of the welding head 9, and combine the welding machine 10, the welding head 9 and the elastic connecting line 11 to facilitate automatic welding of pipes and tube sheets;

[0025] In this embodiment, a reinforcement block 18 is fixedly connected to the inner side wall of the L-shaped mounting plate 1, and the bottom surface of the reinforcement block 18 is fixedly connected to the inner bottom wall of the L-shaped mounting plate 1;

[0026] A protective pad 17 is fixedly connected to the upper surface of each positioning plate 14, and the protective pad 17 is made of rubber;

[0027] Two handles 19 are fixedly connected to the right side of the L-shaped mounting plate 1. The outer surface of each handle 19 is provided with anti-slip grooves. Specifically, the reinforcement block 18 can increase the stability of the L-shaped mounting plate 1, the protective pad 17 can protect the tube sheet, and the handle 19 can be used to easily push the device to change the moving direction.

[0028] In this embodiment, a set of self-locking moving wheels 16 are fixedly connected to the bottom surface of the L-shaped mounting plate 1, and the welding machine 10 is connected to the power supply via a wire;

[0029] A control display screen 20 is fixedly connected to the back of the L-shaped mounting plate 1, and the rotating motor 15 is connected to the power supply via a power cord; specifically, the device can be easily moved using the self-locking moving wheels 16, and the working time and speed of the electrical components can be easily set using the control display screen 20.

[0030] Working principle: When the tube-tube sheet automatic welding device is used, the user first places the tube sheet on the L-shaped mounting plate 1, connects the electrical components to the power supply, and presses the control display screen 20 to set the automatic working program. At the same time, the rotation of the rotary motor 15 causes the forward and reverse screws 13 to drive the two positioning plates 14 to approach each other to clamp and position the tube sheet. Then the welder 10 enables the welding head 9 to generate welding ability through the elastic connecting line 11, and the rotation of the rotary motor 4, in conjunction with the annular gear plate 6 and the gear 5, the slider 3 is slidably connected to the annular slide 2, so that the welding head 9 rotates slowly. At the same time, the horizontal electric telescopic rod 7 and the longitudinal electric telescopic rod 8 fine-tune the position of the welding head 9 during welding. The above is the entire usage process of the utility model.

[0031] It should also be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.

[0032] The above description is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of the claims of the present application. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A tube-to-tube sheet automatic welding device, comprising an L-shaped mounting plate (1), characterized in that: The left side of the L-shaped mounting plate (1) is provided with an annular chute (2), the inner wall of the annular chute (2) is slidably connected to a slider (3), the left side of the slider (3) is fixedly connected to a rotating motor (4), the output end of the rotating motor (4) is fixedly connected to a gear (5), the left side of the L-shaped mounting plate (1) is fixedly connected to an annular gear plate (6), the gear (5) is meshed with the annular gear plate (6), the outer surface of the rotating motor (4) is fixedly mounted with a transverse electric telescopic rod (7), the left end of the transverse electric telescopic rod (7) is fixedly mounted with a longitudinal electric telescopic rod (8), and the rear end of the longitudinal electric telescopic rod (8) is fixedly mounted with a welding head (9), a welding machine (10) is provided above the L-shaped mounting plate (1), the output end of the welding machine (10) is electrically connected to an elastic connecting line (11), the top end of the elastic connecting line (11) is electrically connected to the welding head (9), the inner side wall of the L-shaped mounting plate (1) is fixedly embedded with two sealed bearings (12), the inner rings of the two sealed bearings (12) are fixedly connected to a forward and reverse screw (13), the outer surface of the forward and reverse screw (13) is threadedly connected to two positioning plates (14), the front surface of the L-shaped mounting plate (1) is fixedly connected to a rotating motor (15), and the output end of the rotating motor (15) is fixedly connected to the front end of the forward and reverse screw (13).

2. The tube-to-tube sheet automatic welding device according to claim 1, characterized in that: A reinforcing block (18) is fixedly connected to the inner side wall of the L-shaped mounting plate (1), and the bottom surface of the reinforcing block (18) is fixedly connected to the inner bottom wall of the L-shaped mounting plate (1).

3. The tube-to-tube sheet automatic welding device according to claim 1, characterized in that: The upper surface of each positioning plate (14) is fixedly connected to a protective pad (17), and the protective pad (17) is made of rubber.

4. The tube-to-tube sheet automatic welding device according to claim 1, characterized in that: Two handles (19) are fixedly connected to the right side of the L-shaped mounting plate (1), and the outer surface of each handle (19) is provided with anti-slip grooves.

5. The tube-to-tube sheet automatic welding device according to claim 1, characterized in that: A set of self-locking moving wheels (16) is fixedly connected to the bottom surface of the L-shaped mounting plate (1), and the welding machine (10) is connected to a power source via a wire.

6. The tube-to-tube sheet automatic welding device according to claim 1, characterized in that: A control display screen (20) is fixedly connected to the back of the L-shaped mounting plate (1), and the rotating motor (15) is connected to a power source via a power line.

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