Welding tool for chassis of elevator traction machine

Abstract

The invention discloses a welding tool for a chassis of an elevator traction machine, and belongs to the field of welding tools, the welding tool comprises a machine tool, a positioning mechanism is arranged on the upper surface of the machine tool, a chassis frame is arranged on the outer side of the interior of the positioning mechanism, the positioning mechanism comprises a base, and a rotating frame is rotationally connected to the top of the base; a first motor is fixed to the left side of the interior of the base, four pieces of C-shaped steel can be rapidly placed in a square shape through a positioning mechanism to form a chassis frame, upper and lower clamping of the C-shaped steel is achieved through cooperation of a second electric push rod, a second gear, a vertical plate, a lifting plate, a first gear, a clamping frame and other structures, clamping is efficient and stable, and the preparation efficiency before welding is greatly improved; the first motor drives the transmission wheel to enable the rotating frame to rotate, then the telescopic frame, the supporting frame, the bracket and other structures rotate by 45 degrees along with the rotating frame, the contact position of the supporting frame and the C-shaped steel can be adjusted, welding operation can be conveniently conducted on different parts, and welding flexibility is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding tooling, and in particular to a welding tooling for an elevator traction machine chassis. Background Art

[0002] The base of many elevator traction machines often uses four C-shaped channel steels welded together into a rectangular structure. Such a structure can provide stable support for the traction machine, and the shape and structural characteristics of the C-shaped steel give it certain advantages in terms of bending resistance and compression resistance, and can better withstand the various forces generated by the traction machine during operation;

[0003] However, there are many defects in the existing elevator traction machine chassis welding technology. For example, the traditional positioning and clamping method is inefficient, and it is difficult to quickly and accurately place the C-shaped steel into a square shape and stably clamp it, resulting in a long preparation time before welding, which affects production efficiency. Moreover, during the welding process, the lack of a flexible rotation adjustment structure makes it difficult to perform convenient welding operations on different parts, and the welding quality and efficiency are affected. In addition, when the finished product is taken out, the operation of releasing the limit is complicated, time-consuming and labor-intensive, which is not conducive to improving overall production efficiency.

[0004] The present invention aims to overcome the defects of the prior art and provide an efficient, flexible and convenient welding tool for elevator traction machine chassis. By optimizing the positioning mechanism and clamping structure, the C-shaped steel can be quickly positioned and stably clamped; a rotating adjustment structure is provided to facilitate welding of different parts; a convenient limit and release device is designed to make it easier to remove the finished product, thereby improving the welding quality and production efficiency of the elevator traction machine chassis. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a welding tool for an elevator traction machine chassis, which solves the problems raised in the above-mentioned background technology.

[0006] Technical solution: To solve the above technical problems, according to one aspect of the present invention, more specifically, a welding tool for an elevator traction machine chassis comprises a machine tool, a positioning mechanism is arranged on the upper surface of the machine tool, a chassis frame is arranged on the outer side of the positioning mechanism, the positioning mechanism comprises a base, a rotating frame is rotatably connected to the top of the base, a motor 1 is fixed on the left side of the base, a transmission wheel is fixed on the top of the output shaft of the motor 1, an electric push rod 1 is fixed at the center of the upper surface of the rotating frame, a lifting frame is fixed at the bottom end of the electric push rod 1, four connecting rods are rotatably connected to the lifting frame, a telescopic frame is rotatably connected to the top of the connecting rod, the opposite ends of the four telescopic frames are all penetrated to the outside of the rotating frame, and a support frame is fixed to each of them, a vertical plate is slidably connected to the outer surface of the support frame, and a bracket is slidably connected to the vertical plate and the outer surface of the support frame, a through groove is penetrated inside the bracket, the vertical plate and the support frame are both located inside the through groove, an electric push rod 2 is fixed to the upper surface of the telescopic frame, the bottom end of the electric push rod 2 penetrates below the telescopic frame and is fixedly connected to the bracket.

[0007] The top of described supporting frame is provided with an outer groove, and the inside of described outer groove is slidably connected with lifting plate, and the lifting plate and the top of described vertical plate are integrally formed, and two rotating rods are connected through the lifting plate, and the two rotating rods are rotatably connected with the inside of described outer groove. The outer surface of described rotating rod is located above described lifting plate, and a clamping frame is sleeved on the outer surface of described rotating rod, and a gear 1 is sleeved on the lower surface of described lifting plate, and the gear 1 and the clamping frame are rotatably connected with the lifting plate, and a rack 1 is provided between the two clamping frames, and the two gears 1 are meshingly connected with rack 2, and the rack 1 and the rack 2 are both slidably connected with the lifting plate, and the rack 1 is located at one end of the inner part of described outer groove, and a spring 1 is fixed, and the lifting plate is rotatably connected with gear 3, and the rack 1 and the rack 2 are both meshingly connected with gear 3, and the lower part of described supporting frame is rotatably connected with gear 2, and a support rod is fixed on the lower surface of described rack, and a rod groove is provided on the upper surface of described lifting plate, and the rod groove is adapted to the support rod;

[0008] The chassis frame is formed by welding four C-shaped steels and presents a U-shaped structure.

[0009] Furthermore, a slideway is provided on the outer surface of the rotating rod, and sliders are fixed inside the clamp frame and the gear one. The slider is located inside the slideway, and the rotating rod and the gear one are slidably connected to the rotating rod through the slider.

[0010] Furthermore, a side of the vertical plate close to the support frame and an inner surface of the through slot are provided with tooth grooves, and the vertical plate and the bracket are meshed and connected with the second gear through the tooth grooves.

[0011] Furthermore, two slide grooves are provided on the upper surface of the bracket, a slide seat is slidably connected inside the slide groove, two springs are fixed between the slide seat and the inside of the slide groove, a clamping rod is fixed on the upper surface of the slide seat, and the two clamping rods are located outside the chassis frame.

[0012] Furthermore, the outer surfaces of the eight clamp rods are all in contact with the lower side wall of the chassis frame, the lower surface of the clamp frame is in contact with the upper surface of the chassis frame, both sides of the outer surface of the support frame are in contact with the inner wall of the chassis frame, and the upper surface of the bracket is in contact with the lower surface of the chassis frame.

[0013] Furthermore, the outer surface of the transmission wheel is in contact with the inner surface of the rotating frame.

[0014] Furthermore, a connecting frame is sleeved on the outer surface of the base, and four ends of the connecting frame are fixedly connected to the outer surfaces of four brackets respectively.

[0015] The beneficial effects of the welding tool for the elevator traction machine chassis of the present invention are:

[0016] (1) The present invention has efficient positioning and clamping: the positioning mechanism can quickly place four C-shaped steels in a square shape to form a chassis frame, and the upper and lower clamping of the C-shaped steels is achieved by using the electric push rod 2, gear 2, vertical plate, lifting plate, gear 1, clamping frame and other structures. The clamping is efficient and stable, which greatly improves the preparation efficiency before welding.

[0017] (2) The present invention has flexible rotation and adjustment: the motor drives the transmission wheel to rotate the rotating frame, and then the telescopic frame, support frame, bracket and other structures rotate 45 degrees. The contact position between the support frame and the C-shaped steel can be adjusted, which is convenient for welding operations on different parts and increases the flexibility of welding.

[0018] (3) The present invention has convenient limiting and releasing functions: when the support frame is squeezed with the C-shaped steel, the push rod moves into the rod groove, driving the rack 1 to move inward, and the rack 2 is moved outward through the transmission of the gear 3, so that the two gears 1 move in opposite directions, driving the clamping frame to rotate in opposite directions away from the upper surface of the chassis frame, and easily releasing the limit on the upper side of the chassis frame, making it easy to take out the welded finished product, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0022] Figure 3It is a schematic diagram of the top view of the structure of the present invention;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the cross-sectional structure along the AA direction;

[0024] Figure 5 It is a structural schematic diagram of the positioning mechanism in the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the bracket and the support frame in the present invention;

[0026] Figure 7 For the present invention Figure 6 A schematic diagram of a side cross-section structure;

[0027] Figure 8 It is a schematic diagram of the internal structure of the support frame in the present invention;

[0028] Fig. 9 It is a schematic diagram of the internal structure of the outer tank in the present invention;

[0029] Fig.10 It is a schematic diagram of the internal structure of the slideway in the present invention.

[0030] In the figure: 1. machine tool; 2. positioning mechanism; 3. chassis frame; 4. base; 5. rotating frame; 6. motor 1; 7. transmission wheel; 8. electric push rod 1; 9. lifting frame; 10. connecting rod; 11. telescopic frame; 12. support frame; 13. bracket; 14. electric push rod 2; 15. through groove; 16. outer groove; 17. lifting plate; 18. vertical plate; 19. rotating rod; 20. clamping frame; 21. gear 1; 22. slideway; 23. rack 1; 24. spring 1; 25. gear 2; 26. tooth groove; 27. slideway; 28. slide seat; 29. ​​spring 2; 30. clamping rod; 31. connecting frame; 32. slide block; 33. push rod; 34. rod groove; 35. gear 3; 36. rack 2. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0032] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Reference Figure 1-10A welding tool for an elevator traction machine chassis, comprising a machine tool 1, a positioning mechanism 2 is arranged on the upper surface of the machine tool 1, a chassis frame 3 is arranged inside and outside the positioning mechanism 2, the positioning mechanism 2 comprises a base 4, a rotating frame 5 is rotatably connected to the top of the base 4, a motor 6 is fixed to the left side of the base 4, a transmission wheel 7 is fixed to the top of the output shaft of the motor 6, an electric push rod 8 is fixed at the center of the upper surface of the rotating frame 5, a lifting frame 9 is fixed to the bottom end of the electric push rod 8, four connecting rods 10 are rotatably connected to the lifting frame 9, and the connecting rod 1 The top of the rotatable frame 11 is connected with a telescopic frame 11, and the opposite ends of the four telescopic frames 11 are all penetrated to the outside of the rotating frame 5, and are all fixed with a support frame 12. The outer surface of the support frame 12 is slidably connected with a vertical plate 18, and the vertical plate 18 and the outer surface of the support frame 12 are slidably connected with a bracket 13. A through groove 15 is penetrated inside the bracket 13, and the vertical plate 18 and the support frame 12 are both located inside the through groove 15. An electric push rod 14 is fixed on the upper surface of the telescopic frame 11, and the bottom end of the electric push rod 14 penetrates to the bottom of the telescopic frame 11 and is fixedly connected to the bracket 13.

[0034] An outer groove 16 is provided above the outer surface of the support frame 12, and a lifting plate 17 is slidably connected inside the outer groove 16. The lifting plate 17 is integrally formed with the top of the vertical plate 18. Two rotating rods 19 are connected to the lifting plate 17, and the two rotating rods 19 are rotatably connected to the inner part of the outer groove 16. The outer surface of the rotating rod 19 is located above the lifting plate 17 and is sleeved with a clamping frame 20. The outer surface of the rotating rod 19 is located below the lifting plate 17 and is sleeved with a gear 21. The gear 21 and the clamping frame 20 are both rotatably connected to the lifting plate 17. A rack 21 is provided between the two clamping frames 20. 23, two gears 1 21 are meshedly connected with rack 2 36, rack 1 23 and rack 2 36 are both slidably connected with lifting plate 17, rack 1 23 is located inside outer groove 16 and one end thereof is fixed with spring 1 24, gear 3 35 is rotatably connected inside lifting plate 17, rack 1 23 and rack 2 36 are both meshedly connected with gear 3 35, gear 2 25 is rotatably connected inside lower part of support frame 12, a stop rod 33 is fixed on the lower surface of rack 1 23, a rod groove 34 is provided on the upper surface of lifting plate 17, and rod groove 34 is matched with stop rod 33;

[0035] The chassis frame 3 is formed by welding four C-shaped steels and has a square-shaped structure;

[0036] When in use, four C-shaped steels are placed in a square shape through the positioning mechanism 2 to form a chassis frame 3. The four electric push rods 2 14 are retracted to pull the bracket 13 to drive the C-shaped steel to rise. At the same time, the vertical plate 18, the lifting plate 17, the gear 1 21, and the clamping frame 20 are lowered along the rotating rod 19 under the transmission of the gear 2 25, so that the bracket 13 and the clamping frame 20 clamp the C-shaped steel up and down. After the personnel weld the exposed gaps between adjacent C-shaped steels and complete the preliminary welding of the chassis frame 3, the personnel control the extension of the electric push rod 1 8 to make the lifting frame 9 descend, and under the pull of the connecting rod 10, the telescopic frame 11 drives the support frame 12 and other structures to retract. At the same time, when the motor 1 6 is running, the transmission wheel 7 drives the rotating frame 5 to rotate. At this time, the four telescopic frames 11, the support frame 12, the bracket 13 and other structures rotate 45 degrees accordingly, so that the surface with the smallest outer surface area of ​​the support frame 12 contacts the corresponding middle part of the C-shaped steel. At the same time, the support frame 12 and the C-shaped steel squeeze the support rod 33 to move into the rod groove 34, so that the rack 1 23 moves inward, and the rack 3 36 moves outward under the transmission of the gear 3 35. The two gears 1 21 are meshed with the rack 3 36 and move back to each other, so that the two clamping frames 20 are driven by the rotating rod 19 to rotate back to each other and away from the upper surface of the chassis frame 3, and the upper part is no longer limited. After welding, the personnel can lift the chassis frame 3 to take out the finished product.

[0037] Reference Figure 6-9 A slideway 22 is provided on the outer surface of the rotating rod 19, and sliders 32 are fixed inside the clamping frame 20 and the gear 1 21. The slider 32 is located inside the slideway 22, and the rotating rod 19 and the gear 1 21 are slidably connected to the rotating rod 19 through the slider 32; under the action of the slider 32 and the slideway 22, the rotating rod 19 can drive the gear 1 21 and the clamping frame 20 to rotate synchronously.

[0038] Reference Figure 7 A tooth groove 26 is formed on one side of the vertical plate 18 close to the support frame 12 and on the inner surface of the through groove 15 . The vertical plate 18 and the bracket 13 are meshed and connected with the gear 2 25 through the tooth groove 26 .

[0039] Reference Figure 7 , Fig.10 Two slide grooves 27 are provided on the upper surface of the bracket 13, and a slide seat 28 is slidably connected inside the slide groove 27. A spring 29 is fixed between the slide seat 28 and the inside of the slide groove 27. A clamping rod 30 is fixed on the upper surface of the slide seat 28. Both clamping rods 30 are located on the outside of the chassis frame 3. When the spring 29 pulls, the clamping rod 30 pulls the outside of the C-shaped steel so that it can fit the outer surface of the side support frame 12.

[0040] Reference Figure 1-10The outer surfaces of the eight clamping rods 30 are all in contact with the lower side wall of the chassis frame 3, the lower surface of the clamping frame 20 is in contact with the upper surface of the chassis frame 3, the outer surfaces of the support frame 12 on both sides are in contact with the inner side wall of the chassis frame 3, and the upper surface of the bracket 13 is in contact with the lower surface of the chassis frame 3, thereby positioning the chassis frame 3 inside and outside and up and down.

[0041] Reference Figure 2-4 The outer surface of the driving wheel 7 fits with the inner surface of the rotating frame 5; the outer surface of the base 4 is sleeved with a connecting frame 31, and the four ends of the connecting frame 31 are respectively fixedly connected to the outer surfaces of the four brackets 13, so that the lifting is stable.

[0042] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A welding tool for an elevator traction machine chassis, comprising a machine tool (1), characterized in that: The upper surface of the machine tool (1) is provided with a positioning mechanism (2), the inner and outer sides of the positioning mechanism (2) are provided with a chassis frame (3), the positioning mechanism (2) includes a base (4), the top of the base (4) is rotatably connected to a rotating frame (5), a motor (6) is fixed on the left side of the inner side of the base (4), a transmission wheel (7) is fixed on the top of the output shaft of the motor (6), an electric push rod (8) is fixed at the center of the inner upper surface of the rotating frame (5), a lifting frame (9) is fixed at the bottom end of the electric push rod (8), the lifting frame (9) is rotatably connected to four connecting rods (10), and the top of the connecting rod (10) is rotatably connected to a telescopic frame (11 ), the opposite ends of the four telescopic frames (11) all penetrate to the outside of the rotating frame (5), and are all fixed with a support frame (12), the outer surface of the support frame (12) is slidably connected with a vertical plate (18), and the vertical plate (18) and the outer surface of the support frame (12) are jointly slidably connected with a bracket (13), and a through groove (15) is opened inside the bracket (13), and the vertical plate (18) and the support frame (12) are both located inside the through groove (15), and an electric push rod 2 (14) is fixed on the upper surface of the telescopic frame (11), and the bottom end of the electric push rod 2 (14) penetrates to the bottom of the telescopic frame (11) and is fixedly connected to the bracket (13).

2. The welding tool for the elevator traction machine chassis according to claim 1, characterized in that: An outer groove (16) is provided above the outer surface of the support frame (12), and a lifting plate (17) is slidably connected inside the outer groove (16). The lifting plate (17) is integrally formed with the top of the vertical plate (18). Two rotating rods (19) are connected through the inside of the lifting plate (17). Both rotating rods (19) are rotatably connected to the inside of the outer groove (16). The outer surface of the rotating rod (19) is located above the lifting plate (17) and is sleeved with a clamping frame (20). The outer surface of the rotating rod (19) is located below the lifting plate (17) and is sleeved with a gear 1 (21). The gear 1 (21) and the clamping frame (20) are both rotatably connected to the lifting plate (17). A rack 1 (21) is provided between the two clamping frames (20). 23), the two gears 1 (21) are meshedly connected with rack 2 (36), the rack 1 (23) and rack 2 (36) are both slidably connected with the lifting plate (17), the rack 1 (23) is located inside the outer groove (16) and one end thereof is fixed with a spring 1 (24), the lifting plate (17) is rotatably connected with gear 3 (35), the rack 1 (23) and rack 2 (36) are both meshedly connected with gear 3 (35), the support frame (12) is rotatably connected with gear 2 (25) at the bottom, the lower surface of the rack 1 (23) is fixed with a push rod (33), the upper surface of the lifting plate (17) is provided with a rod groove (34), the rod groove (34) is adapted to the push rod (33); The chassis frame (3) is formed by welding four C-shaped steels and presents a U-shaped structure.

3. The welding tool for the elevator traction machine chassis according to claim 2, characterized in that: A slideway (22) is provided on the outer surface of the rotating rod (19); a slider (32) is fixed inside the clamping frame (20) and inside the gear one (21); the slider (32) is located inside the slideway (22); the rotating rod (19) and the gear one (21) are slidably connected to the rotating rod (19) via the slider (32).

4. The welding tool for the elevator traction machine chassis according to claim 2, characterized in that: A tooth groove (26) is provided on one side of the vertical plate (18) close to the support frame (12) and on the inner surface of the through groove (15). The vertical plate (18) and the bracket (13) are meshedly connected with the second gear (25) through the tooth groove (26).

5. The welding tool for the elevator traction machine chassis according to claim 2, characterized in that: The upper surface of the bracket (13) is provided with two slide grooves (27), the interior of the slide groove (27) is slidably connected with a slide seat (28), a second spring (29) is fixed between the slide seat (28) and the interior of the slide groove (27), a clamping rod (30) is fixed on the upper surface of the slide seat (28), and the two clamping rods (30) are both located on the outside of the chassis frame (3).

6. The welding tool for the elevator traction machine chassis according to claim 5, characterized in that: The outer surfaces of the eight clamping rods (30) are all in contact with the lower side of the outer wall of the chassis frame (3), the lower surface of the clamping frame (20) is in contact with the upper surface of the chassis frame (3), both sides of the outer surface of the support frame (12) are in contact with the inner wall of the chassis frame (3), and the upper surface of the bracket (13) is in contact with the lower surface of the chassis frame (3).

7. The welding tool for the elevator traction machine chassis according to claim 1, characterized in that: The outer surface of the transmission wheel (7) is in contact with the inner surface of the rotating frame (5).

8. The welding tool for elevator traction machine chassis according to claim 2, characterized in that: A connecting frame (31) is sleeved on the outer surface of the base (4), and four ends of the connecting frame (31) are respectively fixedly connected to the outer surfaces of four brackets (13).

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