A door panel welding machine for railway vehicles

Abstract

The utility model relates to a door plate welding machine for railway vehicle relates to railway vehicle production technical field, the second operating platform is located the front side of the operating platform, the conveyer is located between the operating platform and the second operating platform, the transmission roll is located between the operating platform and the second operating platform respectively, several transmission rolls are located left and right at the conveyer, the first limiting mechanism is located the left side of the conveyer, the second limiting mechanism is located the right front side of the conveyer, the electromagnet is fixed in the bottom of the first connecting rod, the electromagnet is connected with external power supply, the steering mechanism is located the bottom of the electric telescopic rod, the moving mechanism is connected with the rotating mechanism, can move the comparatively big component, reduces the intervention of manual work, improves practicality, is convenient for fixed component, carries out the limiting to the component, reduces the positioning step of the control system of welding machine, saves time and labour, is convenient for placing the component to be welded, further reduces manual work, is convenient for the component to be welded can be accurately placed on the component below.

Description

Technical Field

[0001] This utility model relates to the field of railway vehicle manufacturing technology, specifically to a door panel welding machine for railway vehicles. Background Technology

[0002] Welding of railway vehicle door panels typically requires high precision and strength. Traditional welding methods rely on manual operation, resulting in low efficiency, inconsistent quality, and high labor intensity. While existing automated welding equipment can improve efficiency, it still has shortcomings in preparing the two components to be welded. Therefore, a door panel welding machine for railway vehicles is proposed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings and deficiencies of the existing technology by providing a door panel welding machine for railway vehicles. This machine can move relatively large components, reduce manual intervention, and improve practicality. It also facilitates fixing components, limits their movement, reduces the positioning steps of the welding machine's control system, and saves time and effort. Furthermore, it facilitates the placement of components to be welded, further reducing manual labor and ensuring that the components to be welded can be accurately placed on the components below.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a first operating platform and a welding machine body; the welding machine body is provided on the first operating platform; It also includes: The second operating platform is located in front of the first operating platform; The transmission machine is located between the first operating console and the second operating console; the transmission machine is connected to an external power supply; and the transmission machine is equipped with a conveyor belt. The conveyor rollers are of several types and are respectively located between the first operating platform and the second operating platform. The conveyor rollers are respectively located on the left and right sides of the conveyor. The rear end of the conveyor rollers is screwed to the front side wall of the first operating platform through shafts and bearings. The rear side wall of the second operating platform is provided with empty grooves on both the left and right sides. Rotating mechanisms are provided in the empty grooves, and the left and right rotating mechanisms are respectively connected to the left and right conveyor rollers. The first limiting mechanism is located on the second operating platform and is located on the left side of the transmission machine. The second limiting mechanism is located on the second operating platform and on the right front side of the transmission machine. An electric telescopic rod is installed above the second operating platform and is connected to an external power source. The movable end of the electric telescopic rod is connected to a first connecting rod, which has a zigzag structure and its bottom is set lower than the installation end of the electric telescopic rod. An electromagnet is fixed to the bottom of a first connecting rod and is connected to an external power source. A steering mechanism, wherein the steering mechanism is located at the bottom of the electric telescopic rod; A moving mechanism, which is connected to a rotating mechanism.

[0005] Preferably, the rotating mechanism comprises: The second bevel gear pair consists of several pairs, each connected to the front end of the transmission roller. The upper end of the second bevel gear pair is screwed through the second operating table via a rotating shaft and bearing, and connected to a rotating gear. The rotating gears are meshed with each other. The No. 3 bevel gear pair is configured to mesh with the inner rotating gear. The rotating motor has its output shaft connected to a third bevel gear pair and is connected to an external power source.

[0006] Preferably, the first limiting mechanism includes: a limiting plate, a limiting screw, and a first limiting motor; the limiting plate is abutted against the upper left side of the conveyor belt, and the front end of the limiting plate is threadedly connected to the limiting screw; the front end of the limiting screw is connected to the output shaft of the first limiting motor, the first limiting motor is fixed on the second operating platform by a bracket, and the first limiting motor is connected to an external power supply.

[0007] Preferably, the second limiting mechanism includes: a limiting frame, a connecting internal threaded tube, a connecting screw, and a second limiting motor; the limiting frame has an "L" shaped structure; the right front corner of the limiting frame is fixed to the connecting internal threaded tube, the connecting internal threaded tube is inclined from left to right from front to back, and the connecting screw is inserted into the connecting internal threaded tube by threaded connection; the limiting frame and the connecting internal threaded tube abut against the second operating table; the front end of the connecting screw is connected to the output shaft of the second limiting motor, the second limiting motor is fixed to the second operating table by a bracket, and the second limiting motor is connected to an external power source.

[0008] Preferably, the steering mechanism comprises: A turntable, wherein the turntable is located at the bottom of the electric telescopic pole; A fixed plate is located below the turntable; a first drive gear is screwed onto the fixed plate via a shaft and bearings, and the upper end of the first drive gear is connected to the turntable via a shaft; several second connecting rods are fixed at the bottom of the turntable, and sliders are fixed at the bottom of the second connecting rods, with the bottom of the sliders sliding against an annular slide rail, which is fixed to the fixed plate. The second drive gear is screwed onto the fixed plate via a shaft and bearing, and is meshed with the first drive gear. The drive motor is fixed on the mounting plate by a bracket and is connected to an external power source; the output shaft of the drive motor is connected to a first bevel gear pair, which is connected to a second drive gear.

[0009] Preferably, the moving mechanism comprises: A movable frame is mounted below a fixed plate. An electric push rod is fixed on the left inner side wall of the movable frame and is connected to an external power source. The movable end of the electric push rod is connected to the fixed plate. The number of the walking wheels is two, and they are fixed to the bottom front and rear of the fixed plate respectively. The walking wheels are rolled on the mobile frame. Two lead screw pairs are provided, each located on the second operating platform. The lead screw pairs are connected to the moving frame and the moving motor. The moving motor is fixed to the second operating platform by a bracket and is connected to an external power source.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. It can move relatively large parts, reducing manual intervention and improving practicality; 2. Facilitates the fixing of components and limits their positioning, reducing the number of positioning steps in the welding machine's control system, saving time and effort; 3. It facilitates the placement of components to be welded, further reducing manual labor and allowing the components to be welded to be accurately placed on the components below. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 yes Figure 1 Enlarged view of part A in the image.

[0013] Figure 3 This is a top view of the present invention.

[0014] Figure 4 This is a schematic diagram of the rotating mechanism in this utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Operating Platform 1; 2. Welding Machine Body; 3. Operating Platform 2; 4. Conveyor; 5. Conveyor Roller; 6. Rotating Mechanism; 7. Bevel Gear Pair 2 (6-1); 6. Rotating Gear; 6. Bevel Gear Pair 3 (6-3); 6. Rotating Motor; 7. Limiting Mechanism 1; 7. Limiting Plate; 7. Limiting Screw; 7. Limiting Motor 1; 7. Limiting Mechanism 2; 8. Limiting Frame; 8. Connecting Internal Threaded Pipe; 8. Connecting Screw; 8. Limiting Motor 2; 8. Electric Telescopic Rod 9. Connecting rod 10. Electromagnet 11. Steering mechanism 12. Turntable 12-1. Fixing plate 12-2. Connecting rod 12-3. Slider 12-4. Circular slide rail 12-5. Drive gear 12-6. Drive gear 2 12-7. Drive motor 12-8. Bevel gear pair 12-9. Moving mechanism 13. Moving frame 13-1. Electric push rod 13-2. Walking wheel 13-3. Lead screw pair 13-4. Moving motor 13-5. Detailed Implementation

[0016] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] The specific implementation method adopts the following technical solution: Example

[0018] Please see Figure 1-4 This embodiment 1 includes a first operating platform 1 and a welding machine body 2; the first operating platform 1 is equipped with the welding machine body 2, and the welding machine body 2 is consistent with the principle of welding machines in the prior art that use a six-axis robotic arm and a control system based on PLC or industrial computer. It also includes: Second operating platform 3, which is located in front of the first operating platform 1; The transmission machine 4 is located between the first operating console 1 and the second operating console 3; the transmission machine 4 is connected to an external power supply; the specific model of the transmission machine 4 is purchased and installed directly from the market according to actual usage requirements; the transmission machine 4 is equipped with a conveyor belt. The number of transmission rollers 5 is several, and they are respectively located between the first operating platform 1 and the second operating platform 3. The transmission rollers 5 are respectively located on the left and right sides of the transmission machine 4. The rear end of the transmission rollers 5 is screwed to the front side wall of the first operating platform 1 through shafts and bearings. The rear side wall of the second operating platform 3 is provided with empty grooves on both the left and right sides. Rotating mechanisms 6 are provided in the empty grooves, and the left and right rotating mechanisms 6 are respectively connected to the left and right transmission rollers 5. The first limiting mechanism 7 is located on the second operating platform 3 and on the left side of the conveyor 4. The first limiting mechanism 7 includes a limiting plate 7-1, a limiting screw 7-2, and a first limiting motor 7-3. The limiting plate 7-1 abuts against the upper left side of the conveyor belt, and the front end of the limiting plate 7-1 is threadedly connected to the limiting screw 7-2. The front end of the limiting screw 7-2 is connected to the output shaft of the first limiting motor 7-3. The first limiting motor 7-3 is fixed to the second operating platform 3 by a bracket and is connected to an external power supply. The specific model of the first limiting motor 7-3 is purchased, installed, and used directly from the market according to actual usage requirements. The second limiting mechanism 8 is located on the second operating platform 3 and on the right front side of the conveyor 4. The second limiting mechanism 8 includes: a limiting frame 8-1, a connecting internal threaded pipe 8-2, a connecting screw 8-3, and a second limiting motor 8-4. The limiting frame 8-1 has an "L"-shaped structure. The right front corner of the limiting frame 8-1 is fixed to the connecting internal threaded pipe 8-2, which is inclined from left to right from front to back. A connecting screw 8-3 is inserted into the internally threaded tube 8-2 via a threaded connection; the limit bracket 8-1 and the connecting internally threaded tube 8-2 abut against the second operating platform 3; the front end of the connecting screw 8-3 is connected to the output shaft of the second limit motor 8-4, the second limit motor 8-4 is fixed to the second operating platform 3 by a bracket, the second limit motor 8-4 is connected to an external power supply, and the specific model of the second limit motor 8-4 is purchased, installed and used directly from the market according to actual usage requirements; The electric telescopic rod 9 is located above the second operating platform 3. The electric telescopic rod 9 is connected to an external power source. The specific model of the electric telescopic rod 9 is purchased directly from the market and installed according to actual usage requirements. The movable end of the electric telescopic rod 9 is connected to a first connecting rod 10. The first connecting rod 10 has a zigzag structure, and the bottom of the first connecting rod 10 is set lower than the installation end of the electric telescopic rod 9. Electromagnet 11 is fixed to the bottom of connecting rod 10. Electromagnet 11 is connected to an external power source. The specific model of electromagnet 11 is purchased and installed directly from the market according to actual usage requirements. Steering mechanism 12, wherein the steering mechanism 12 is disposed at the bottom of the electric telescopic rod 9; the steering mechanism 12 comprises: Turntable 12-1, wherein the turntable 12-1 is located at the bottom of the electric telescopic rod 9; A fixed plate 12-2 is located below the turntable 12-1; a first drive gear 12-6 is screwed onto the fixed plate 12-2 via a shaft and bearing, and the upper end of the first drive gear 12-6 is connected to the turntable 12-1 via a shaft; several second connecting rods 12-3 are fixed to the bottom of the turntable 12-1 by bolts, and sliders 12-4 are fixed to the bottom of the second connecting rods 12-3 by bolts. The bottom of the sliders 12-4 slides against the annular slide rail 12-5, which is fixed to the fixed plate 12-2. The second drive gear 12-7 is screwed onto the fixed plate 12-2 via a shaft and bearing, and is meshed with the first drive gear 12-6. The drive motor 12-8 is fixed on the fixing plate 12-2 by a bracket. The drive motor 12-8 is connected to an external power supply. The specific model of the drive motor 12-8 is purchased and installed directly from the market according to the actual use requirements. The output shaft of the drive motor 12-8 is connected to a first bevel gear pair 12-9, which is connected to a second drive gear 12-7. The moving mechanism 13 is connected to the rotating mechanism 6; the moving mechanism 13 includes: The movable frame 13-1 is located below the fixed plate 12-2. An electric push rod 13-2 is fixed on the left inner side wall of the movable frame 13-1. The electric push rod 13-2 is connected to an external power source. The specific model of the electric push rod 13-2 is purchased and installed directly from the market according to the actual usage requirements. The movable end of the electric push rod 13-2 is connected to the fixed plate 12-2. Two walking wheels 13-3 are fixed to the bottom front and rear of the fixed plate 12-2 respectively, and the walking wheels 13-3 are rolled on the movable frame 13-1. Two lead screw pairs 13-4 are provided, each located on the second operating platform 3. The lead screw pairs 13-4 are connected to the movable frame 13-1 and to the movable motor 13-5. The movable motor 13-5 is fixed to the second operating platform 3 by a bracket and is connected to an external power supply. The specific model of the movable motor 13-5 is purchased and installed directly from the market according to actual usage requirements. Example

[0019] Please see Figure 1 and 4 Based on Embodiment 1, the rotating mechanism 6 includes: The number of second bevel gear pairs 6-1 is several, and they are respectively connected to the front end of the transmission roller 5. The upper end of the second bevel gear pair 6-1 is screwed through the second operating table 3 via a rotating shaft and bearing, and is connected to a rotating gear 6-2. The rotating gears 6-2 are meshed with each other. The third bevel gear pair 6-3 is meshed with the inner rotating gear 6-2; Rotary motor 6-4, the output shaft of which is connected to the No. 3 bevel gear pair 6-3, and the rotary motor 6-4 is connected to an external power supply. The specific model of rotary motor 6-4 is purchased and installed directly from the market according to actual usage requirements.

[0020] When using this utility model, place the component to be welded on the conveyor roller 5 on one side; start the conveyor 4 to make the conveyor belt rotate, start the rotary motor 6-4 to make the third bevel gear pair 6-3 drive the rotary gear 6-2 to rotate, and under the action of the second bevel gear pair 6-1, make the conveyor roller 5 rotate, and drive the component to move onto the conveyor belt through the conveyor roller 5; start the first limit motor 7-3 to make the limit screw 7-2 rotate, and drive the limit plate 7-1 to extend to limit the component below; start the second limit motor 8-4 to make the connecting screw 8-3 rotate, and drive the limit frame 8-1 to extend tilted to limit the right front corner of the component below; turn off the conveyor 4 and the rotary motor 6-4. Start the drive motor 12-8, causing the second drive gear 12-7 and the first drive gear 12-6 to rotate, which in turn rotates the turntable 12-1, causing the electric telescopic rod 9 to rotate. Start the moving motor 13-5, causing the moving frame 13-1 to move back and forth, which in turn moves the fixed plate 12-2 back and forth. Start the electric push rod 13-2, causing the fixed plate 12-2 to move left and right, thereby adjusting the position of the electromagnet 11. Start the electric telescopic rod 9 to bring the electromagnet 11 close to the other part to be welded, and start the electromagnet 11 to attract the part to be welded. Start the electric telescopic rod 9, the moving motor 13-5 and the rotating motor 6-4 again, so that the part to be welded can be placed on the part below. Start the welding machine body 2 to perform welding.

[0021] Compared with the prior art, the beneficial effects of this utility model are: 1. Equipped with a conveyor 4 and a conveyor roller 5, it can move relatively large parts, reduce manual intervention, and improve practicality; 2. It is equipped with a first limit mechanism 7 and a second limit mechanism 8, which facilitates fixing the components and limits the components, reducing the positioning steps of the control system of the welding machine body 2, saving time and effort; 3. An electromagnet 11 is provided to facilitate the placement of parts to be welded, further reducing manual labor; 4. It is equipped with a steering mechanism 12 and a moving mechanism 13, which facilitates the accurate placement of the component to be welded on the component below.

[0022] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A door panel welding machine for railway vehicles, comprising a first operating table (1) and a welding machine body (2); the welding machine body (2) is provided on the first operating table (1). Its features are, It also includes: The second operating platform (3) is located in front of the first operating platform (1); The transmission machine (4) is located between the first operating platform (1) and the second operating platform (3); the transmission machine (4) is connected to an external power supply; and the transmission machine (4) is equipped with a conveyor belt. The number of transmission rollers (5) is several, and they are respectively located between the first operating platform (1) and the second operating platform (3). The several transmission rollers (5) are respectively located on the left and right sides of the transmission machine (4). The rear end of the transmission rollers (5) is screwed onto the front side wall of the first operating platform (1) through shafts and bearings. The rear side wall of the second operating platform (3) is provided with empty grooves on both the left and right sides. Rotating mechanisms (6) are provided in the empty grooves. The left and right rotating mechanisms (6) are respectively connected to the left and right transmission rollers (5). The first limiting mechanism (7) is located on the second operating platform (3) and is located on the left side of the transmission machine (4). The second limiting mechanism (8) is located on the second operating table (3) and on the right front side of the transmission machine (4). Electric telescopic rod (9), the electric telescopic rod (9) is located above the second operating platform (3), the electric telescopic rod (9) is connected to an external power source; the movable end of the electric telescopic rod (9) is connected to a first connecting rod (10), the first connecting rod (10) has a zigzag structure, and the bottom of the first connecting rod (10) is lower than the installation end of the electric telescopic rod (9). Electromagnet (11), wherein the electromagnet (11) is fixed to the bottom of the first connecting rod (10), and the electromagnet (11) is connected to an external power source; Steering mechanism (12), wherein the steering mechanism (12) is located at the bottom of the electric telescopic rod (9); The moving mechanism (13) is connected to the rotating mechanism (6).

2. The door panel welding machine for railway vehicles according to claim 1, characterized in that: The aforementioned rotating mechanisms (6) all include: The number of the second bevel gear pair (6-1) is several, and they are respectively connected to the front end of the transmission roller (5). The upper end of the second bevel gear pair (6-1) passes through the second operating table (3) through a rotating shaft and bearing, and is connected to a rotating gear (6-2). The rotating gears (6-2) are meshed with each other. The third bevel gear pair (6-3) is meshed with the inner rotating gear (6-2); The rotating motor (6-4) has its output shaft connected to the No. 3 bevel gear pair (6-3) and is connected to an external power source.

3. The door panel welding machine for railway vehicles according to claim 1, characterized in that: The first limiting mechanism (7) includes: a limiting plate (7-1), a limiting screw (7-2), and a first limiting motor (7-3); the limiting plate (7-1) abuts against the upper left side of the conveyor belt, and the front end of the limiting plate (7-1) is threadedly connected to the limiting screw (7-2); the front end of the limiting screw (7-2) is connected to the output shaft of the first limiting motor (7-3), the first limiting motor (7-3) is fixed on the second operating table (3) by a bracket, and the first limiting motor (7-3) is connected to an external power supply.

4. A door panel welding machine for railway vehicles according to claim 1, characterized in that: The second limiting mechanism (8) includes: a limiting frame (8-1), a connecting internal threaded tube (8-2), a connecting screw (8-3), and a second limiting motor (8-4); the limiting frame (8-1) has an "L" shaped structure; the right front corner of the limiting frame (8-1) is fixed to the connecting internal threaded tube (8-2), the connecting internal threaded tube (8-2) is inclined from left to right from front to back, and the connecting screw (8-3) is inserted into the connecting internal threaded tube (8-2) by threaded connection; the limiting frame (8-1) and the connecting internal threaded tube (8-2) abut against the second operating table (3); the front end of the connecting screw (8-3) is connected to the output shaft of the second limiting motor (8-4), the second limiting motor (8-4) is fixed on the second operating table (3) by a bracket, and the second limiting motor (8-4) is connected to an external power source.

5. A door panel welding machine for railway vehicles according to claim 1, characterized in that: The steering mechanism (12) includes: Turntable (12-1), wherein the turntable (12-1) is located at the bottom of the electric telescopic rod (9); A fixed plate (12-2) is located below the turntable (12-1); a first drive gear (12-6) is screwed onto the fixed plate (12-2) via a shaft and bearing, and the upper end of the first drive gear (12-6) is connected to the turntable (12-1) via a shaft; several second connecting rods (12-3) are fixed to the bottom of the turntable (12-1), and a slider (12-4) is fixed to the bottom of the second connecting rod (12-3). The bottom of the slider (12-4) slides against the annular slide rail (12-5), which is fixed to the fixed plate (12-2); The second drive gear (12-7) is screwed onto the fixed plate (12-2) via a shaft and bearing, and is meshed with the first drive gear (12-6). The drive motor (12-8) is fixed on the fixing plate (12-2) by a bracket and is connected to an external power supply. The output shaft of the drive motor (12-8) is connected to a first bevel gear pair (12-9), which is connected to a second drive gear (12-7).

6. A door panel welding machine for railway vehicles according to claim 5, characterized in that: The moving mechanism (13) includes: A movable frame (13-1) is located below a fixed plate (12-2). An electric push rod (13-2) is fixed on the left inner side wall of the movable frame (13-1). The electric push rod (13-2) is connected to an external power source. The movable end of the electric push rod (13-2) is connected to the fixed plate (12-2). Two wheels (13-3) are provided, and are fixed to the bottom front and rear of the fixed plate (12-2) respectively. The wheels (13-3) are rolled on the movable frame (13-1). There are two lead screw pairs (13-4), which are respectively set on the second operating platform (3). The lead screw pairs (13-4) are connected to the moving frame (13-1) and the moving motor (13-5). The moving motor (13-5) is fixed on the second operating platform (3) by the bracket and is connected to the external power supply.

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