An elevator pioneer ladder upper beam welding mechanism

Abstract

The present invention discloses a welding mechanism for the upper beam of an elevator vanguard ladder, comprising a first clamping assembly, a second clamping assembly and a frame, wherein the first clamping assembly is installed at both ends of the frame, and the second clamping assembly is installed at the middle of the frame; the first clamping assembly comprises a base, a first linear guide, a second linear guide, a first cylinder assembly, a second cylinder assembly, a positioning block, a positioning pin, a movable latch and a first support frame, wherein the lower end of the base is slidably connected to the second linear guide through a slider, the upper surfaces of both ends of the base are installed with the first linear guide, the first linear guide is slidably connected to the first support frame through a slider, the first cylinder assembly is installed on the outer side of the upper end of the first support frame, and the positioning block is installed on the inner side of the first support frame. The mechanism has high positioning accuracy and is driven to weld by multiple cylinder assemblies, thereby improving processing efficiency and product accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of welding mechanisms, and in particular to a welding mechanism for an upper beam of an elevator pioneer ladder. Background Art

[0002] An elevator is a vertical lift powered by an electric motor, equipped with a box-shaped cabin, used to carry people or goods in multi-story buildings. There are also step-type ones, with the treads mounted on tracks and running continuously, commonly known as escalators or moving walkways. A fixed lifting device serving a specified floor. A vertical lift has a car that runs between at least two vertical rigid rails or with an inclination angle of less than 15°. The size and structure of the car facilitate the entry and exit of passengers or the loading and unloading of goods. It is customary to use elevators as a general term for vertical transportation tools within a building regardless of its driving method.

[0003] With the continuous increase of buildings in my country, the renovation of old elevators, and the introduction of additional elevators, the demand for elevators is also increasing. In order to improve the market competitiveness of enterprises, improvement is endless. Before the improvement, the welding of upper beams was a manual operation without positioning devices, low efficiency and poor precision. Summary of the invention

[0004] The purpose of the present invention is to provide an elevator pioneer ladder upper beam welding mechanism, which has high positioning accuracy and drives welding through multiple cylinder assemblies, thereby improving processing efficiency and product accuracy. Compared with the existing upper beam welding mechanism, the efficiency is increased by 20% and the accuracy is doubled, solving the problems in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: an elevator pioneer ladder upper beam welding mechanism, comprising a first clamping assembly, a second clamping assembly and a frame, wherein the first clamping assembly is installed at both ends of the frame, and the second clamping assembly is installed in the middle of the frame;

[0006] The first clamping assembly comprises a base, a first linear guide, a second linear guide, a first cylinder assembly, a second cylinder assembly, a positioning block, a positioning pin, a movable latch and a first support frame, the lower end of the base is slidably connected to the second linear guide via a slider, the first linear guides are mounted on the upper surfaces of both ends of the base, the first linear guides are slidably connected to the first support frame via sliders, the first cylinder assembly is mounted on the outer side of the upper end of the first support frame, the positioning block is mounted on the inner side of the first support frame, the positioning pin and the movable latch are fixedly connected to the upper surface of the middle portion of the base, and the second cylinder assembly is disposed at one end of the first linear guide;

[0007] The second clamping assembly includes a base plate, a third linear guide, a fourth linear guide, a front positioning bracket, a third cylinder assembly, a rear positioning bracket, a pressure arm, a fourth cylinder assembly and a second support frame. The upper end of the base plate is fixedly connected to the third linear guide and the fourth linear guide, the third linear guide is slidably connected to the front positioning bracket via a slider, the front positioning bracket is mounted with the third cylinder assembly, the fourth linear guide is slidably connected to the rear positioning bracket via a slider, both sides of the rear positioning bracket are fixedly connected with pressure arms, the rear end of the pressure arm is rotatably connected to the fourth cylinder assembly, and the front end of the pressure arm is mounted with the second support frame.

[0008] Preferably, the first cylinder assembly, the second cylinder assembly, the third cylinder assembly and the fourth cylinder assembly are all sleeved with outer covers on their exteriors.

[0009] Preferably, a large positioning pin is installed between the front positioning bracket and the rear positioning bracket.

[0010] Preferably, displacement connection mechanisms are installed at both ends of the frame, the bottom plate is located in the middle of the frame, there are two bases in total, and the two bases are respectively located on the upper surfaces of both ends of the frame.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The elevator pioneer ladder upper beam welding mechanism of the present invention manually determines the positioning hole of the movable pin and then pulls out the movable pin. The first clamping assembly moves along the second linear guide rail. After reaching the accurate hole position, the movable pin is lowered to complete the position adjustment. Secondly, the bottom holes at both ends of the upper beam are inserted into the positioning pins and the middle large hole is inserted into the large positioning pin. Two reinforcing ribs are manually inserted into the grooves of the front positioning bracket and the rear positioning bracket in the middle of the mechanism. Four ears are manually inserted into the corresponding positioning pins of the ear positioning blocks. The positioning accuracy is high and the welding is driven by multiple cylinder assemblies to improve the processing efficiency and product accuracy. Compared with the existing upper beam welding mechanism, the efficiency is increased by 20% and the accuracy is doubled. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the present invention;

[0014] Figure 2 It is the skeleton structure diagram of the present invention;

[0015] Figure 3 It is a structural diagram of the first clamping assembly of the present invention;

[0016] Figure 4 This is a structural diagram of the second clamping assembly of the present invention.

[0017] In the figure: 1. skeleton; 11. displacement connection mechanism; 2. first clamping assembly; 21. base; 22. first linear guide; 23. second linear guide; 24. first cylinder assembly; 25. second cylinder assembly; 26. positioning block; 27. positioning pin; 28. movable latch; 29. ​​first support frame; 30. outer cover; 3. second clamping assembly; 31. bottom plate; 32. third linear guide; 33. fourth linear guide; 34. front positioning bracket; 35. third cylinder assembly; 36. rear positioning bracket; 37. pressure arm; 38. fourth cylinder assembly; 39. second support frame; 40. large positioning pin; 41. slider. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-3 A welding mechanism for an elevator pioneer ladder upper beam comprises a first clamping assembly 2, a second clamping assembly 3 and a frame 1. The first clamping assembly 2 is installed at both ends of the frame 1, the second clamping assembly 3 is installed in the middle of the frame 1, and a displacement connection mechanism 11 is installed at both ends of the frame 1. The bottom plate 31 is located in the middle of the frame 1. There are two bases 21, and the two bases 21 are respectively located on the upper surfaces of both ends of the frame 1.

[0020] The first clamping assembly 2 includes a base 21, a first linear guide 22, a second linear guide 23, a first cylinder assembly 24, a second cylinder assembly 25, a positioning block 26, a positioning pin 27, a movable latch 28 and a first support frame 29. The lower end of the base 21 is slidably connected to the second linear guide 23 through a slider 41, and the first linear guides 22 are installed on the upper surfaces of both ends of the base 21. The first linear guide 22 is slidably connected to the first support frame 29 through the slider 41. The first cylinder assembly 24 is installed on the outer side of the upper end of the first support frame 29, and the positioning block 26 is installed on the inner side of the first support frame 29. The positioning pin 27 and the movable latch 28 are fixedly connected to the upper surface of the middle part of the base 21. A second cylinder assembly 25 is provided at one end of the first linear guide 22. The outer parts of the first cylinder assembly 24, the second cylinder assembly 25, the third cylinder assembly 35 and the fourth cylinder assembly 38 are all sleeved with an outer cover 30 for protection.

[0021] See also Figure 4The second clamping assembly 3 includes a base plate 31, a third linear guide rail 32, a fourth linear guide rail 33, a front positioning bracket 34, a third cylinder assembly 35, a rear positioning bracket 36, a pressure arm 37, a fourth cylinder assembly 38 and a second support frame 39. The upper end of the base plate 31 is fixedly connected to the third linear guide rail 32 and the fourth linear guide rail 33. The third linear guide rail 32 is slidably connected to the front positioning bracket 34 through a slider 41. A large positioning bracket is installed between the front positioning bracket 34 and the rear positioning bracket 36. Pin 40, adjust the upper beam into the mechanism with KBK, insert the positioning pins 27 into the bottom holes at both ends of the upper beam and insert the large positioning pin 40 into the middle large hole, and the upper beam is clamped and positioned. The third cylinder assembly 35 is installed on the front positioning bracket 34, and the fourth linear guide 33 is slidably connected to the rear positioning bracket 36 through the slider 41. The two sides of the rear positioning bracket 36 are fixedly connected with the pressure arm 37, and the rear end of the pressure arm 37 is rotatably connected with the fourth cylinder assembly 38, and the front end of the pressure arm 37 is installed with the second support frame 39.

[0022] Welding steps: First, measure the length of the upper beam with a tape measure, manually determine the positioning hole of the movable latch 28 according to the length, then pull out the movable latch 28 by hand, and forcefully move the first clamping assembly 2 in the direction of the second linear guide 23. After reaching the accurate hole position, put down the movable latch 28 to complete the position adjustment; secondly, use KBK to adjust the upper beam into the mechanism, insert the positioning pins 27 into the bottom holes at both ends of the upper beam and insert the large positioning pins 40 into the middle large holes, and the upper beam is clamped and positioned; then, manually insert the two reinforcing ribs into the grooves of the front positioning bracket 34 and the rear positioning bracket 36 in the middle of the mechanism, and the reinforcing ribs are completed. Clamping; then, manually insert the four ears into the corresponding positioning pins 27 of the ear positioning block 26, and the ear clamping is completed; after all parts are clamped, press the start button, the first cylinder assembly 24, the second cylinder assembly 25, the third cylinder assembly 35 and the fourth cylinder assembly 38 work normally, and all parts are positioned and fixed; the robot starts welding, and after welding is completed, press the stop button, the first cylinder assembly 24, the second cylinder assembly 25, the third cylinder assembly 35 and the fourth cylinder assembly 38 are all reset, and the disassembly is completed; finally, use KBK to hang the upper beam down mechanism, and repeat this cycle.

[0023] In summary: the elevator pioneer ladder upper beam welding mechanism of the present invention manually determines the positioning hole of the movable pin 28 and then pulls out the movable pin 28, and the first clamping assembly 2 moves along the second linear guide rail 23. After reaching the accurate hole position, the movable pin 28 is lowered to complete the position adjustment; secondly, the bottom holes at both ends of the upper beam are inserted into the positioning pins 27 and the middle large hole is inserted into the large positioning pin 40; two reinforcing ribs are manually inserted into the grooves of the front positioning bracket 34 and the rear positioning bracket 36 in the middle of the mechanism; four ears are manually inserted into the corresponding positioning pins 27 of the ear positioning block 26; the positioning accuracy is high and the welding is driven by multiple cylinder assemblies, which improves the processing efficiency and product accuracy. Compared with the existing upper beam welding mechanism, the efficiency is increased by 20% and the accuracy is doubled.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator pioneer ladder upper beam welding mechanism, comprising a first clamping assembly (2), a second clamping assembly (3) and a frame (1), characterized in that: The first clamping components (2) are installed at both ends of the frame (1), and the second clamping component (3) is installed in the middle of the frame (1); The first clamping assembly (2) comprises a base (21), a first linear guide rail (22), a second linear guide rail (23), a first cylinder assembly (24), a second cylinder assembly (25), a positioning block (26), a positioning pin (27), a movable latch pin (28) and a first support frame (29); the lower end of the base (21) is slidably connected to the second linear guide rail (23) via a slider (41); the upper surfaces of both ends of the base (21) are provided with first linear guide rails (22); the first linear guide rail (22) is slidably connected to the first support frame (29) via a slider (41); the outer side of the upper end of the first support frame (29) is provided with a first cylinder assembly (24); the inner side of the first support frame (29) is provided with a positioning block (26); the upper surface of the middle part of the base (21) is fixedly connected to a positioning pin (27) and a movable latch pin (28); and one end of the first linear guide rail (22) is provided with a second cylinder assembly (25); The second clamping assembly (3) comprises a base plate (31), a third linear guide rail (32), a fourth linear guide rail (33), a front positioning bracket (34), a third cylinder assembly (35), a rear positioning bracket (36), a pressure arm (37), a fourth cylinder assembly (38) and a second support frame (39); the upper end of the base plate (31) is fixedly connected with the third linear guide rail (32) and the fourth linear guide rail (33); the third linear guide rail (32) is slidably connected with the front positioning bracket (34) via a slider (41); the third cylinder assembly (35) is mounted on the front positioning bracket (34); the fourth linear guide rail (33) is slidably connected with the rear positioning bracket (36) via a slider (41); the rear positioning bracket (36) is A pressure arm (37) is fixedly connected to both sides of the frame (36); a fourth cylinder assembly (38) is rotatably connected to the rear end of the pressure arm (37); a second support frame (39) is installed at the front end of the pressure arm (37); the first cylinder assembly (24), the second cylinder assembly (25), the third cylinder assembly (35) and the fourth cylinder assembly (38) are all sleeved with an outer cover (30); a large positioning pin (40) is installed between the front positioning bracket (34) and the rear positioning bracket (36); displacement connection mechanisms (11) are installed at both ends of the frame (1); the bottom plate (31) is located in the middle of the frame (1); there are two bases (21) in total; the two bases (21) are respectively located on the upper surfaces of both ends of the frame (1).

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