Exhaust pipe welding positioning mechanism

Abstract

The utility model belongs to the technical field of positioning mechanism, and particularly relates to an exhaust pipe welding positioning mechanism. The utility model includes an equipment base, a first support frame and a second support frame are arranged above the operating table, and a curved column is arranged between the first support frame and the second support frame, a fastening steel sheet is sleeved on the curved column, and the fastening steel sheet is inserted into the bottom of the support seat, a rotating column is arranged on one side of the support seat, and a first angle gear is arranged at the inner end of the rotating column, and a second angle gear is engaged on the upper inner side of the first angle gear, and a worm is arranged above the second angle gear, worm wheels are arranged on both sides of the worm, and a pin is inserted into the worm wheel, and the pin is fixedly connected to the bottom of the clamping assembly at the same time. The utility model utilizes the adjustability of the fastening steel sheet and the matching clamping method of the clamping assembly. The mechanism can be suitable for welding work of various exhaust pipes, and will not cause damage to the outer wall of the exhaust pipe during the working process.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning mechanisms and relates to an exhaust pipe welding positioning mechanism. Background Art

[0002] The exhaust pipe is a part of the exhaust system of the engine, which mainly includes the exhaust manifold, exhaust pipe and muffler. Generally, the three-stage catalytic converter for controlling the emission of engine pollutants is also installed in the automobile exhaust pipe. The automobile exhaust pipe generally includes the front exhaust pipe and the rear exhaust pipe. Most of the existing exhaust pipes have different shapes and are welded from multiple pipes. Most of the traditional exhaust pipe welding positioning devices on the market can only weld one type of exhaust pipe and cannot be flexibly adjusted according to the changes in the welding position of the exhaust pipe. It is not suitable for welding multiple types of exhaust pipes. When clamping the exhaust pipe, many of them are directly spot-welded on the outer wall of the exhaust pipe, and then the outer wall is removed and trimmed after welding, which will cause certain damage to the exhaust pipe. Therefore, in view of the above problems, an exhaust pipe welding positioning mechanism is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide an exhaust pipe welding positioning mechanism in view of the above problems.

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

[0005] A welding positioning mechanism for an exhaust pipe comprises an equipment base, wherein the equipment base is rotatably connected to an operating table above the equipment base, a first support frame and a second support frame are respectively provided on both sides above the operating table, and a motor is provided on the side of the first support frame, a curved column is provided between the first support frame and the second support frame, a fastening steel sheet is provided on the outer sleeve of the curved column, and the middle part of the fastening steel sheet passes through the bottom of the support seat, a rotating column is inserted into one side of the support seat, and a first angular gear is provided at the inner end of the rotating column, a second angular gear is provided above one side of the first angular gear, and a worm is provided above the second angular gear, and the top of the worm is placed on the top of the support seat, worm wheels are provided on both sides of the worm, and a pin is inserted into the worm wheel, and both ends of the pin are placed on the two side walls of the support seat, the worm wheel is clamped in the lower part of the clamping assembly, and the lower part of the clamping assembly is sleeved outside the two ends of the pin.

[0006] In the above-mentioned exhaust pipe welding positioning mechanism, the first support frame and the second support frame are fixedly connected on both sides above the operating table, and the first support frame and the second support frame are obliquely symmetrical. The first support frame and the second support frame are rotatably connected at both ends of the curved column, and one end of the curved column passes through the side wall of the first support frame, and the protruding end of the curved column is fixedly connected to the motor, and the motor is fixedly connected to the top of the side of the first support frame.

[0007] In the above-mentioned exhaust pipe welding positioning mechanism, the outer shell of the curved column is provided with a plurality of fastening steel sheets fixedly connected thereto, and locking screws are inserted into the lower part of the fastening steel sheets. An arc-shaped through hole is opened at the bottom of the support seat, and a sliding connection is inserted into the middle part of the upper part of the fastening steel sheet. At the same time, the bottom of the support seat is tightly fitted with the upper part of the curved column.

[0008] In the above-mentioned exhaust pipe welding positioning mechanism, a built-in space is opened in the support seat, and side openings are opened above both sides of the support seat, and the side openings are connected to the built-in space. A rotatably connected rotating column is inserted below one side of the support seat, and the inner end of the rotating column is inserted below the built-in space.

[0009] In the above exhaust pipe welding positioning mechanism, the inner end of the rotating column is fixedly connected to the side of the first angle gear, and the upper part of the other side of the first angle gear engages with the second angle gear, and the upper part of the second angle gear is fixedly connected to the bottom of the worm.

[0010] In the above exhaust pipe welding positioning mechanism, the top of the worm is rotatably connected to the middle of the top of the built-in space, and the entire worm is vertically placed in the middle of the built-in space.

[0011] In the above exhaust pipe welding positioning mechanism, both sides of the worm are engaged with the worm wheel, and there is a distance between the lower part of the worm wheel and the second angle gear.

[0012] In the above exhaust pipe welding positioning mechanism, the center of the worm wheel penetrates into the middle of the fixed connection pin, and the two ends of the pin are respectively inserted into the inner walls on both sides of the rotationally connected built-in space, and at the same time, there is a gap between the two side surfaces of the worm wheel and the two side walls of the built-in space.

[0013] In the above exhaust pipe welding positioning mechanism, the pin column is provided with outer sleeves on both sides fixedly connected to the lower part of the clamping assembly, and the lower side wall of the clamping assembly is placed between the side of the worm wheel and the side wall of the built-in space, and the clamping assembly is tightly fitted to the worm wheel.

[0014] In the above exhaust pipe welding positioning mechanism, the clamping assembly passes through the side opening.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model has a first support frame and a second support frame above the operating table, and a curved column is provided between the first support frame and the second support frame, a fastening steel sheet is sleeved on the curved column, and the fastening steel sheet is inserted into the bottom of the support seat, a rotating column is provided on one side of the support seat, and a first angle gear is provided at the inner end of the rotating column, and the second angle gear is engaged with the inner upper side of the first angle gear, and a worm is provided above the second angle gear, worm wheels are provided on both sides of the worm, and pins are inserted into the worm wheels, and the pins are fixedly connected to the bottom of the clamping assembly at the same time. By utilizing the adjustability of the fastening steel sheet and the coordinated clamping method of the clamping assembly, the mechanism can be suitable for welding work of various exhaust pipes, and will not cause damage to the outer wall of the exhaust pipe during the working process.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the upper side view of the operating table of the utility model.

[0020] Figure 3 It is an enlarged schematic diagram of point A of the utility model;

[0021] Figure 4 It is a cross-sectional schematic diagram of the cooperation between the support seat and the fastening steel sheet of the utility model;

[0022] Figure 5 It is a top view schematic diagram of the curved column structure of the utility model.

[0023] In the figure: 1. Equipment base; 2. Operating table; 3. First support frame; 4. Second support frame; 5. Curved column; 6. Fastening steel sheet; 7. Support seat; 71. Built-in space; 72. Side opening; 73. Arc-shaped through hole; 8. Rotating column; 9. First angle gear; 10. Second angle gear; 11. Worm; 12. Worm wheel; 13. Clamping assembly; 14. Pin; 15. Locking screw; 16. Motor. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5As shown, an exhaust pipe welding positioning mechanism comprises an equipment base 1, an operating table 2 is rotatably connected to the top of the equipment base 1, a first support frame 3 and a second support frame 4 are respectively provided on both sides above the operating table 2, and a motor 16 is provided on the side of the first support frame 3, a curved column 5 is provided between the first support frame 3 and the second support frame 4, a fastening steel sheet 6 is provided on the outer sleeve of the curved column 5, and the middle part of the fastening steel sheet 6 passes through the bottom of the support seat 7, a rotating column 8 is inserted on one side of the support seat 7, and a first angle gear 9 is provided at the inner end of the rotating column 8, a second angle gear 10 is provided above one side of the first angle gear 9, and a worm 11 is provided above the second angle gear 10, and at the same time, the top of the worm 11 is placed on the top of the support seat 7, worm wheels 12 are provided on both sides of the worm 11, and a pin 14 is inserted into the worm wheel 12, and at the same time, both ends of the pin 14 are placed on the two side walls of the support seat 7, the worm wheel 12 is clamped in the lower part of the clamping assembly 13, and the lower part of the clamping assembly 13 is sleeved outside the two ends of the pin 14.

[0026] The first support frame 3 and the second support frame 4 are fixedly connected on both sides above the operating table 2, and the first support frame 3 and the second support frame 4 are obliquely symmetrical. The first support frame 3 and the second support frame 4 are rotatably connected to the two ends of the curved column 5, and one end of the curved column 5 passes through the side wall of the first support frame 3. The protruding end of the curved column 5 is fixedly connected to the motor 16, and the motor 16 is fixedly connected to the top of the side of the first support frame 3.

[0027] A first support frame 3 and a second support frame 4 are provided above the operating table 2, and a curved column 5 is provided therebetween. The curved column 5 can provide overall support for the exhaust pipe above. At the same time, the curved column 5 is designed for the mostly curved shape of the exhaust pipe. A motor 16 is provided on one side of the first support frame 3 to drive the curved column 5 to rotate. During welding, the exhaust pipe can be flipped at a certain angle, which can facilitate welding at the bottom of the exhaust pipe.

[0028] Furthermore, a plurality of fastening steel sheets 6 are fixedly connected to the outer surface of the curved column 5, and a locking screw 15 is inserted into the lower part of the fastening steel sheet 6. An arc-shaped through hole 73 is opened at the bottom of the support seat 7, and a slidingly connected fastening steel sheet 6 is inserted into the upper middle part of the arc-shaped through hole 73. At the same time, the bottom of the support seat 7 is tightly fitted with the upper part of the curved column 5.

[0029] Furthermore, a built-in space 71 is opened in the support seat 7, and side openings 72 are opened above the two sides of the support seat 7. At the same time, the side openings 72 are connected to the built-in space 71. A rotatably connected rotating column 8 is inserted at the bottom of one side of the support seat 7, and the inner end of the rotating column 8 is inserted at the bottom of the built-in space 71.

[0030] A fastening steel sheet 6 is sleeved on the curved column 5, so that the fastening steel sheet 6 can be adjusted to move to the corresponding position according to the different welding positions of the exhaust pipe, and the exhaust pipe can be clamped and fastened by using the support seat 7 provided above the fastening steel sheet 6 and its internal structure.

[0031] Furthermore, the inner end of the rotating column 8 is fixedly connected to the side of the first angle gear 9, and the upper part of the other side of the first angle gear 9 engages with the second angle gear 10, and the upper part of the second angle gear 10 is fixedly connected to the bottom of the worm 11.

[0032] Insert the rotating column 8 into the supporting seat 7. After the outer end of the rotating column 8 is rotated, the first angle gear 9 at the inner end of the rotating column 8 is driven to rotate, and at the same time, the first angle gear 9 engages with the second angle gear 10, so that the second angle gear 10 is also rotated.

[0033] Furthermore, the top of the worm 11 is rotatably connected to the middle of the top of the built-in space 71 , and the entire worm 11 is vertically placed in the middle of the built-in space 71 .

[0034] A worm 11 is provided above the second angle gear 10. When the second angle gear 10 rotates, the worm 11 is rotated synchronously.

[0035] Furthermore, both sides of the worm 11 are engaged with the worm wheel 12 , and there is a distance between the lower part of the worm wheel 12 and the second angle gear 10 .

[0036] Furthermore, the center of the worm wheel 12 penetrates into the middle of the fixed connection pin 14 , and the two ends of the pin 14 are respectively inserted into the inner walls on both sides of the rotationally connected built-in space 71 , and at the same time, there is a gap between the two side surfaces of the worm wheel 12 and the two side walls of the built-in space 71 .

[0037] The worm wheels 12 are engaged on both sides of the worm 11 . When the worm 11 rotates, the rotations of the worm wheels 12 on both sides are opposite to those of the worm 11 .

[0038] Furthermore, the pin 14 is provided with outer sleeves on both sides to be fixedly connected to the lower part of the clamping assembly 13 , and the lower side wall of the clamping assembly 13 is placed between the side of the worm wheel 12 and the side wall of the built-in space 71 , and the clamping assembly 13 is tightly fitted to the worm wheel 12 .

[0039] Furthermore, the clamping assembly 13 passes through the side opening 72 .

[0040] A pin 14 is inserted into the worm wheel 12 and connected to the clamping assembly 13. When the worm wheel 12 rotates, the clamping assembly 13 will also swing, so that the upper protruding parts of the clamping assembly 13 merge or separate with each other, and the exhaust pipe is clamped when merged.

[0041] Working principle:

[0042] A first support frame 3 and a second support frame 4 are provided above the operating table 2, and a curved column 5 is provided between the first support frame 3 and the second support frame 4. At the same time, a motor 16 on one side of the first support frame 3 can drive the curved column 5 to rotate. A fastening steel sheet 6 is provided above the curved column 5, and the fastening steel sheet 6 is inserted into the bottom of the support seat 7. At the same time, a locking screw 15 is inserted into the bottom of the fastening steel sheet 6. According to the different welding positions of the exhaust pipe, the fastening steel sheet 6 is loosened and moved to a suitable position on the curved column 5, and then the locking screw 15 is tightened, so that the fastening steel sheet 6 and the bottom of the support seat 7 work together to press the curved column 5, so that the support seat 7 is stabilized above the curved column 5, and the motor 16 can rotate the support seat 7 to a certain angle after appropriate rotation.

[0043] A rotating column 8 is provided on one side of the support seat 7, and a first angle gear 9 is provided at the inner end of the rotating column 8, a second angle gear 10 is engaged on the upper inner side of the first angle gear 9, and a worm 11 is provided above the second angle gear 10, worm wheels 12 are provided on both sides of the worm 11, and a pin 14 is inserted into the worm wheel 12, and the pin 14 is fixedly connected to the lower part of the clamping assembly 13. When the worm 11 rotates, the worm wheels 12 on both sides rotate in opposite directions. At the same time, the rotation of the worm wheel 12 will drive the pin 14 and the clamping assembly 13 to rotate together, so that the protruding end above the clamping assembly 13 is merged or separated. After the above-mentioned fastening steel sheet 6 and the support seat 7 are adjusted, the exhaust pipe is placed on the top of the clamping assembly 13 and clamped for welding.

[0044] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0045] Although this article uses more terms such as 1, equipment base; 2, operating table; 3, first support frame; 4, second support frame; 5, curved column; 6, fastening steel sheet; 7, support seat; 71, built-in space; 72, side opening; 73, arc-shaped through hole; 8, rotating column; 9, first angle gear; 10, second angle gear; 11, worm; 12, worm wheel; 13, clamping assembly; 14, pin column; 15, locking screw; 16, motor, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. An exhaust pipe welding positioning mechanism, comprising an equipment base (1), wherein the upper portion of the equipment base (1) is rotatably connected to an operating table (2), characterized in that: The first support frame (3) and the second support frame (4) are respectively provided on both sides above the operating table (2), and a motor (16) is provided on the side of the first support frame (3), and a curved column (5) is provided between the first support frame (3) and the second support frame (4), and a fastening steel sheet (6) is provided on the outer cover of the curved column (5), and the middle part of the fastening steel sheet (6) passes through the bottom of the support seat (7), and a rotating column (8) is inserted into one side of the support seat (7), and a first angle gear (9) is provided at the inner end of the rotating column (8), and the first angle A second angle gear (10) is provided above one side of the gear (9), and a worm (11) is provided above the second angle gear (10), and the top of the worm (11) is placed on the top of the support seat (7). Worm wheels (12) are provided on both sides of the worm (11), and a pin (14) is inserted into the worm wheel (12), and both ends of the pin (14) are placed on the side walls of the support seat (7). The worm wheel (12) is clamped in the lower part of the clamping assembly (13), and the lower part of the clamping assembly (13) is sleeved outside the two ends of the pin (14).

2. The exhaust pipe welding positioning mechanism according to claim 1, characterized in that: The first support frame (3) and the second support frame (4) are respectively fixedly connected to the two sides above the operating table (2), and the first support frame (3) and the second support frame (4) are obliquely symmetrical. The first support frame (3) and the second support frame (4) are rotatably connected to the two ends of the curved column (5), and one end of the curved column (5) passes through the side wall of the first support frame (3). The protruding end of the curved column (5) is fixedly connected to the motor (16), and the motor (16) is fixedly connected to the upper side of the first support frame (3).

3. The exhaust pipe welding positioning mechanism according to claim 2, characterized in that: The curved column (5) is provided with a plurality of fastening steel sheets (6) fixedly connected thereto, and a locking screw (15) is inserted into the lower part of the fastening steel sheet (6); an arc-shaped through hole (73) is provided at the bottom of the support seat (7), and a slidingly connected fastening steel sheet (6) is inserted into the upper middle part of the arc-shaped through hole (73), and at the same time, the bottom of the support seat (7) is tightly fitted with the upper part of the curved column (5).

4. The exhaust pipe welding positioning mechanism according to claim 3, characterized in that: The support seat (7) is provided with a built-in space (71), and side openings (72) are provided above both sides of the support seat (7), and the side openings (72) are communicated with the built-in space (71). A rotatably connected rotating column (8) is inserted into the lower part of one side of the support seat (7), and the inner end of the rotating column (8) is inserted into the lower part of the built-in space (71).

5. The exhaust pipe welding positioning mechanism according to claim 4, characterized in that: The inner end of the rotating column (8) is fixedly connected to the side of the first angle gear (9), and the upper part of the other side of the first angle gear (9) engages with the second angle gear (10), and the upper part of the second angle gear (10) is fixedly connected to the bottom of the worm (11).

6. The exhaust pipe welding positioning mechanism according to claim 5, characterized in that: The top of the worm (11) is rotatably connected to the middle of the top of the built-in space (71), and the entire worm (11) is vertically placed in the middle of the built-in space (71).

7. The exhaust pipe welding positioning mechanism according to claim 6, characterized in that: Both sides of the worm (11) are engaged with the worm wheel (12), and there is a distance between the lower part of the worm wheel (12) and the second angle gear (10).

8. The exhaust pipe welding positioning mechanism according to claim 7, characterized in that: The center of the worm wheel (12) penetrates into the middle of the fixed connection pin (14), and the two ends of the pin (14) are respectively inserted into the inner walls on both sides of the rotationally connected built-in space (71), and at the same time, there is a gap between the two side surfaces of the worm wheel (12) and the two side walls of the built-in space (71).

9. The exhaust pipe welding positioning mechanism according to claim 8, characterized in that: The pin (14) is disposed on both sides and fixedly connected to the lower part of the clamping assembly (13), and the lower side wall of the clamping assembly (13) is placed between the side of the worm wheel (12) and the side wall of the built-in space (71), and the clamping assembly (13) and the worm wheel (12) are tightly fitted.

10. The exhaust pipe welding positioning mechanism according to claim 9, characterized in that: The clamping assembly (13) passes through the side opening (72).

Images