Assistance mechanism of seam welder

Abstract

The utility model discloses a seam welder power assisting mechanism which comprises a bottom plate, two rotating shaft supports are fixedly installed on one side of the bottom plate, lead screw nuts are rotationally connected into the two rotating shaft supports, and ball screws are connected into the lead screw nuts in a threaded mode. When the seam welder assisting mechanism is used, one end of the ball screw is fixed to the positioning baffle, the output end of the servo motor rotates to drive the driving belt wheel to rotate, the belt body further drives the driven belt wheel to rotate, and then the lead screw nut is driven to rotate; therefore, the positioning baffle is pushed to move through the ball screw, and stable welding can be kept; the technical problems that when seam welding is conducted on the round pipe, due to the fact that the round pipe has a certain length, movement assistance needs to be conducted on the round pipe in the using process, and manual operation is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder seam welding, in particular to a power assist mechanism of a seam welding machine. Background Art

[0002] A seam welder is a resistance welding machine that assembles welded parts into lap joints or butt joints and places them between two roller electrodes. The roller electrodes pressurize the welded parts and rotate them, sending electricity in continuous or intermittent pulses to form a continuous weld. It can also be said that a seam welder is an evolution of spot welding. Seam welding is widely used in the manufacture of joints that require sealing, and is sometimes also used to weld ordinary non-sealed sheet metal parts. The thickness of the welded metal material is usually between 0.1 and 2.5 mm. Related technology When seam welding circular tubes, since the circular tubes have a certain length, the circular tubes need to be assisted in movement during use, which is inconvenient to operate manually. To address the above problems, we have introduced a seam welding machine power assist mechanism. Utility Model Content

[0003] The utility model discloses a power assist mechanism for a seam welding machine, which aims to solve the technical problem that, when seam welding a round pipe, the round pipe has a certain length and needs to be assisted in moving during use, which causes inconvenience in manual operation.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] The seam welding machine power assist mechanism includes a base plate, two rotating shaft brackets are fixedly installed on one side of the base plate, the two rotating shaft brackets are rotatably connected with screw nuts inside, and the screw nuts are internally threaded with ball screws, and a motor bracket is fixedly installed on the top of the base plate and on one side close to the rotating shaft bracket, and a servo motor is connected to one side of the motor bracket through a fixed plate, a driving pulley is fixedly installed on the output end of the servo motor, and a driven pulley is fixedly installed on the outside of the screw nut, and the driving pulley and the driven pulley are connected through a belt body transmission.

[0006] When in use, one end of the ball screw is fixed to the positioning baffle, which makes it convenient to drive the active pulley to rotate through the output end of the servo motor, further drive the driven pulley to rotate through the belt body, and then drive the screw nut to rotate, so as to push the positioning baffle to move through the ball screw, which is conducive to maintaining welding stability; it solves the technical problem that when seam welding round pipes, due to the certain length of the round pipes, the round pipes need to be assisted in moving during use, which is inconvenient for manual operation.

[0007] In a preferred solution, a linear guide rail is fixedly installed on one side of the top of the base plate, a sliding seat is slidably connected to the outside of the linear guide rail, a tailstock is fixedly installed on the top of the sliding seat, and the tail end of the ball screw extends into the interior of the tailstock and is fixedly installed with a fixing ring.

[0008] By setting a sliding seat to be slidably connected to the outside of the linear guide rail, and the tail end of the ball screw extending to the inside of the tail seat and fixed by a fixing ring, it is beneficial to enhance the stability of the ball screw movement.

[0009] In a preferred solution, a dustproof shell is fixedly installed on the top of the base plate.

[0010] Providing a dustproof cover is helpful for protecting the workpiece on the top of the base plate.

[0011] In a preferred solution, a limiting ring is fixedly installed on the outer side of the lead screw nut and close to the rotating shaft bracket, and the side of the limiting ring close to the rotating shaft bracket rotates in contact with the rotating shaft bracket.

[0012] By arranging a limit ring to be fixedly installed on the outside of the lead screw nut, and the side of the limit ring close to the rotating shaft bracket rotates in contact with the rotating shaft bracket, it is beneficial to enhance the stability of the lead screw nut rotation.

[0013] In a preferred solution, a fixing block is fixedly mounted on the outer side of the bottom plate, and a positioning hole is provided inside the fixing block.

[0014] The provision of the fixing block and the positioning holes inside the fixing block facilitates the fixed installation of the entire device and facilitates subsequent maintenance.

[0015] In a preferred solution, the side section of the linear guide rail is configured as an I-shaped structure.

[0016] By setting the side section of the linear guide rail to an "I"-shaped structure and the sliding seat being located on the outside of the linear guide rail for sliding connection, it is beneficial to enhance the stability of the linear guide rail movement outside the sliding seat.

[0017] The seam welding machine power assist mechanism provided by the utility model has the following advantages:

[0018] First, when in use, one end of the ball screw is fixed to the positioning baffle, which makes it convenient to drive the active pulley to rotate through the output end of the servo motor, further drive the driven pulley to rotate through the belt body, and then drive the screw nut to rotate, so as to push the positioning baffle to move through the ball screw, which is conducive to maintaining welding stability; it solves the technical problem that when seam welding round pipes, due to the certain length of the round pipes, the round pipes need to be assisted in moving during use, which is inconvenient to operate manually. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional schematic diagram of the seam welding machine power assist mechanism proposed in the utility model.

[0020] Figure 2 This is a three-dimensional schematic diagram of the internal structure of the seam welding machine power assist mechanism proposed in the utility model.

[0021] Figure 3 This is a partial three-dimensional cross-sectional schematic diagram of the seam welding machine power assist mechanism proposed by the present utility model.

[0022] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0023] In the accompanying drawings: 1. Base plate; 2. Rotating shaft bracket; 3. Screw nut; 4. Motor bracket; 5. Servo motor; 6. Fixed plate; 7. Driving pulley; 8. Driven pulley; 9. Belt body; 10. Ball screw; 11. Tail stock; 12. Linear guide; 13. Sliding seat; 14. Fixed ring; 15. Limiting ring; 16. Dust cover; 17. Fixed block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.

[0025] The seam welding machine power assist mechanism disclosed in the utility model is mainly used in scenarios where seam welding is stable.

[0026] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The seam welding machine power assist mechanism includes: a base plate 1, two rotating shaft brackets 2 are fixedly installed on one side of the base plate 1, the two rotating shaft brackets 2 are internally connected with a screw nut 3, and the screw nut 3 is internally threaded with a ball screw 10. A motor bracket 4 is fixedly installed on the top of the base plate 1 and close to the side of the rotating shaft bracket 2. A servo motor 5 is connected to one side of the motor bracket 4 through a fixed plate 6. A driving pulley 7 is fixedly installed on the output end of the servo motor 5, and a driven pulley 8 is fixedly installed on the outside of the screw nut 3. The driving pulley 7 and the driven pulley 8 are connected through a belt body 9.

[0027] A dustproof cover 16 is fixedly mounted on the top of the base plate 1 ; the provision of the dustproof cover 16 is beneficial for protecting the workpiece on the top of the base plate 1 .

[0028] Among them, a fixing block 17 is fixedly installed on the outer side of the base plate 1, and a positioning hole is opened inside the fixing block 17; by providing the fixing block 17 and the positioning hole inside the fixing block 17, it is beneficial to the fixed installation of the entire device and facilitates subsequent maintenance.

[0029] This embodiment: When in use, one end of the ball screw 10 is fixed to the positioning baffle, so that the active pulley 7 is driven to rotate by the output end of the servo motor 5, and the driven pulley 8 is further driven to rotate by the belt body 9, and then the screw nut 3 is driven to rotate, so that the positioning baffle is pushed to move by the ball screw 10, which is conducive to maintaining stable welding; it solves the technical problem that when seam welding round tubes, due to the certain length of the round tubes, the round tubes need to be assisted in moving during use, which is inconvenient for manual operation.

[0030] In the above technical solution, considering the problem of driving the ball screw 10 to move stably, in order to solve such problem, the specific operations are as follows:

[0031] Reference Figure 1 and Figure 4 In a preferred embodiment, a linear guide rail 12 is fixedly installed on one side of the top of the base plate 1, a sliding seat 13 is slidably connected to the outside of the linear guide rail 12, a tail stock 11 is fixedly installed on the top of the sliding seat 13, and the tail end of the ball screw 10 extends into the inside of the tail stock 11 and is fixedly installed with a fixing ring 14.

[0032] Among them, a limiting ring 15 is fixedly installed on the outside of the screw nut 3 and close to the rotating shaft bracket 2, and the side of the limiting ring 15 close to the rotating shaft bracket 2 rotates in conflict with the rotating shaft bracket 2; by setting the limiting ring 15 fixedly installed on the outside of the screw nut 3, and the side of the limiting ring 15 close to the rotating shaft bracket 2 rotates in conflict with the rotating shaft bracket 2, it is beneficial to enhance the rotation stability of the screw nut 3.

[0033] Among them, the side section of the linear guide rail 12 is set to an "I" shape structure; by setting the side section of the linear guide rail 12 to an "I" shape structure, and the sliding seat 13 is located on the outside of the linear guide rail 12 for sliding connection, it is beneficial to enhance the stability of the movement of the linear guide rail 12 outside the sliding seat 13.

[0034] In this embodiment, a sliding seat 13 is provided to be slidably connected to the outside of the linear guide rail 12 , and the tail end of the ball screw 10 extends to the inside of the tailstock 11 and is fixed by a fixing ring 14 , which is beneficial to enhancing the stability of the movement of the ball screw 10 .

[0035] Working principle: When in use, one end of the ball screw 10 is fixed to the positioning baffle, so that the output end of the servo motor 5 can rotate to drive the active pulley 7 to rotate, and further drive the driven pulley 8 to rotate through the belt body 9, and then drive the screw nut 3 to rotate, so as to push the positioning baffle to move through the ball screw 10, which is conducive to maintaining stable welding; it solves the technical problem that when seam welding round tubes, due to the certain length of the round tubes, the round tubes need to be assisted in moving during use, and manual operation is inconvenient.

[0036] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A seam welding machine power assist mechanism, comprising a base plate (1), characterized in that: Two rotating shaft supports (2) are fixedly installed on one side of the base plate (1), and the two rotating shaft supports (2) are internally rotatably connected with a screw nut (3), and the screw nut (3) is internally threadedly connected with a ball screw (10). A motor support (4) is fixedly installed on the top of the base plate (1) and on one side close to the rotating shaft supports (2), and a servo motor (5) is connected to one side of the motor support (4) through a fixed plate (6). A driving pulley (7) is fixedly installed on the output end of the servo motor (5), and a driven pulley (8) is fixedly installed on the outer side of the screw nut (3). The driving pulley (7) and the driven pulley (8) are connected through a belt body (9).

2. The seam welding machine power assist mechanism according to claim 1, characterized in that: A linear guide rail (12) is fixedly mounted on one side of the top of the base plate (1), a sliding seat (13) is slidably connected to the outside of the linear guide rail (12), a tailstock (11) is fixedly mounted on the top of the sliding seat (13), and the tail end of the ball screw (10) extends into the interior of the tailstock (11) and is fixedly mounted with a fixing ring (14).

3. The seam welding machine power assist mechanism according to claim 1, characterized in that: A dustproof shell (16) is fixedly mounted on the top of the base plate (1).

4. The seam welding machine power assist mechanism according to claim 1, characterized in that: A limiting ring (15) is fixedly installed on the outside of the lead screw nut (3) and close to the rotating shaft bracket (2); the side of the limiting ring (15) close to the rotating shaft bracket (2) rotates in contact with the rotating shaft bracket (2).

5. The seam welding machine power assist mechanism according to claim 1, characterized in that: A fixing block (17) is fixedly mounted on the outer side of the bottom plate (1), and a positioning hole is provided inside the fixing block (17).

6. The seam welding machine power assist mechanism according to claim 2, characterized in that: The side section of the linear guide rail (12) is arranged in an "I"-shaped structure.

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