A welding mechanism for upper and lower beams of an elevator

Abstract

The present invention discloses an elevator upper and lower beam welding mechanism, comprising a frame, a first clamping unit and a second clamping unit, wherein the frame is composed of a base plate, a displacement connection mechanism and positioning holes, wherein the positioning holes are evenly arranged in the middle of the plate surface of the base plate, and the displacement connection mechanism is installed at both ends of the base plate; the first clamping unit is arranged in the middle of the frame, and the first clamping unit is composed of a first linear guide rail, a slider, a support, a pressure arm, a first cylinder assembly and a positioning backer; the second clamping unit is arranged at both ends of the frame, and the second clamping unit is composed of a second linear guide rail, a mechanism base, an ear positioning mechanism, a pressure arm assembly, a second cylinder assembly and a positioning pin assembly. The elevator upper and lower beam welding mechanism can greatly improve processing efficiency and product precision, and further improve the market competitiveness of enterprises.

Description

Technical Field

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

[0002] 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 and lower beams was a manual operation. Due to the lack of positioning devices, the welding efficiency was low and the accuracy was poor. Summary of the invention

[0003] The purpose of the present invention is to provide an elevator upper and lower beam welding mechanism, which can greatly improve processing efficiency and product precision, further improve the market competitiveness of the enterprise, and solve the problems in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solutions: an elevator upper and lower beam welding mechanism, comprising a frame, a first clamping unit and a second clamping unit, wherein the frame is composed of a base plate, a displacement connection mechanism and positioning holes, wherein the positioning holes are evenly arranged in the middle of the plate surface of the base plate, and the displacement connection mechanism is installed at both ends of the base plate;

[0005] The first clamping unit is arranged in the middle part of the frame, and the first clamping unit is composed of a first linear guide, a slider, a support, a pressure arm, a first cylinder assembly and a positioning backer, wherein the first linear guide is installed on the plate surface of the base plate, the slider is slidably installed on the first linear guide, a movable positioning pin is also installed at one end of the slider, the support stands on the slider, one end of the support is movably connected with the pressure arm, the pressure arm is arranged at the upper end of the support, the first cylinder assembly is installed on the outer side of the support and connected to one end of the pressure arm, and the positioning backer is installed at the other end of the pressure arm through a connecting piece;

[0006] The second clamping unit is arranged at both ends of the skeleton, and the second clamping unit is composed of a second linear guide, a mechanism base, an ear positioning mechanism, a pressure arm assembly, a second cylinder assembly and a positioning pin assembly, wherein the second linear guide is installed on the board surface of the substrate, the second mechanism base is slidably installed on the second linear guide, the ear positioning mechanism is installed in parallel at one end of the second mechanism base, the pressure arm assembly is movably installed at the upper end of the mechanism base, one end of the pressure arm assembly is connected to the ear positioning mechanism, the second cylinder assembly is installed at both ends of the mechanism base and is movably connected to the other end of the pressure arm assembly, and the positioning pin assembly is arranged in parallel at the other end of the second mechanism base.

[0007] Preferably, a handle is also installed on the side wall of the pressing arm.

[0008] Preferably, photoelectric switches are also installed on the positioning backrest, ear positioning mechanism and positioning pin assembly.

[0009] Preferably, limit blocks are also installed on the side walls at both ends of the ear positioning mechanism.

[0010] Preferably, the positioning hole corresponds to and matches a movable positioning pin, and the movable positioning pin is inserted into the positioning hole.

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

[0012] The upper and lower beam welding mechanism of this elevator uses a tape measure to measure the length of the upper and lower beams, manually determines the movable positioning pin and the positioning hole according to the length, then pulls out the movable positioning pin by hand, and forcefully moves the first clamping unit in the direction of the first linear guide rail. After reaching the accurate hole position, put down the movable positioning pin to complete the position adjustment;

[0013] Adjust the upper and lower beams to the limit blocks, and insert the bottom holes of the upper and lower beams into the positioning pin assemblies to complete the clamping and positioning of the product; manually insert the two reinforcing ribs into the positioning pin assemblies to achieve the clamping and positioning of the reinforcing ribs; manually insert the four ears into the ear positioning mechanism to complete the ear clamping; manually stick the middle reinforcing rib to the positioning backing, and then manually press the handle to achieve the clamping and positioning of the middle reinforcing rib;

[0014] After all parts are clamped, the corresponding photoelectric switches are turned on, and the first cylinder assembly and the second cylinder assembly are started to work to position and fix the parts; welding begins via the robot, and after welding is completed, the stop button is pressed, and the first cylinder assembly and the second cylinder assembly stop resetting, completing the disassembly.

[0015] In summary: the elevator upper and lower beam welding mechanism can greatly improve processing efficiency and product precision, further enhance the market competitiveness of enterprises, and thus effectively solve the existing technical problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the present invention;

[0017] Figure 2 It is the skeleton structure diagram of the present invention;

[0018] Figure 3 This is a structural diagram of the first clamping unit of the present invention;

[0019] Figure 4 This is a structural diagram of the second clamping unit of the present invention.

[0020] In the figure: 1. skeleton; 11. base plate; 12. displacement connection mechanism; 13. positioning hole; 2. first clamping unit; 21. first linear guide; 22. slider; 221. movable positioning pin; 23. support; 24. pressure arm; 241. handle; 25. first cylinder assembly; 26. positioning backrest; 261. connecting piece; 3. second clamping unit; 31. second linear guide; 32. mechanism base; 33. ear positioning mechanism; 331. limit block; 34. pressure arm assembly; 35. second cylinder assembly; 36. positioning pin assembly; 37. photoelectric switch. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-2 A welding mechanism for upper and lower beams of an elevator comprises a frame 1, a first clamping unit 2 and a second clamping unit 3. The frame 1 is composed of a base plate 11, a displacement connection mechanism 12 and positioning holes 13. The positioning holes 13 are evenly arranged in the middle of the plate surface of the base plate 11, and the displacement connection mechanism 12 is installed at both ends of the base plate 11. Since the positioning holes 13 correspond to and match with movable positioning pins 221, the movable positioning pins 221 can be inserted into the positioning holes 13, thereby completing the clamping and positioning of the product.

[0023] See also Figure 3 The first clamping unit 2 is arranged in the middle of the skeleton 1. The first clamping unit 2 is composed of a first linear guide 21, a slider 22, a support 23, a pressure arm 24, a first cylinder assembly 25 and a positioning backing 26, wherein the first linear guide 21 is installed on the plate surface of the substrate 11, the slider 22 is slidably installed on the first linear guide 21, and a movable positioning pin 221 is also installed at one end of the slider 22. The support 23 stands on the slider 22, and one end of the support 23 is movably connected with the pressure arm 24. The pressure arm 24 is arranged at the upper end of the support 23, and a handle 241 is also installed on the side wall of the pressure arm 24. The first cylinder assembly 25 is installed on the outer side of the support 23 and connected to one end of the pressure arm 24. The positioning backing 26 is installed at the other end of the pressure arm 24 through a connecting piece 261; the middle reinforcement rib is manually attached to the positioning backing 26, and then the handle 241 is manually pressed to realize the clamping and positioning of the middle reinforcement rib.

[0024] See also Figure 4The second clamping unit 3 is arranged at both ends of the frame 1. The second clamping unit 3 is composed of a second linear guide rail 31, a mechanism base 32, an ear positioning mechanism 33, a pressure arm assembly 34, a second cylinder assembly 35 and a positioning pin assembly 36. The second linear guide rail 31 is installed on the plate surface of the base plate 11, the second mechanism base 32 is slidably installed on the second linear guide rail 31, the ear positioning mechanism 33 is installed in parallel at one end of the second mechanism base 32, and the side walls at both ends of the ear positioning mechanism 33 are also installed with limited blocks 331, and the pressure arm assembly 34 is movably installed on the upper end of the mechanism base 32 One end of the pressure arm assembly 34 is connected to the ear positioning mechanism 33, the second cylinder assembly 35 is installed at both ends of the mechanism base 32, and is movably connected to the other end of the pressure arm assembly 34, and the positioning pin assembly 36 is arranged in parallel at the other end of the second mechanism base 32; the upper and lower beams are adjusted to the limit blocks 331, and the bottom holes at both ends of the upper and lower beams are inserted into the positioning pin assemblies 36, thereby completing the clamping and positioning of the product; two reinforcing ribs are manually inserted into the positioning pin assemblies 36, thereby realizing the clamping and positioning of the reinforcing ribs; four ears are manually inserted into the ear positioning mechanism 33, and thus the ear clamping is completed.

[0025] Since the positioning backrest 26, the ear positioning mechanism 33 and the positioning pin assembly 36 are also equipped with photoelectric switches 37; therefore, when all the parts are clamped, the corresponding photoelectric switches 37 are turned on, and the first cylinder assembly 25 and the second cylinder assembly 35 are started to work to position and fix the parts; welding is started by the robot, and after welding is completed, the stop button is pressed, and the first cylinder assembly 25 and the second cylinder assembly 35 stop resetting, completing the disassembly.

[0026] The upper and lower beam welding mechanism of the elevator uses a tape measure to measure the length of the upper and lower beams, manually determines the movable positioning pin 221 and the positioning hole 13 according to the length, then pulls out the movable positioning pin 221 by hand, and forcefully moves the first clamping unit 2 in the direction of the first linear guide rail 21. After reaching the accurate hole position, put down the movable positioning pin 221 to complete the position adjustment.

[0027] Adjust the upper and lower beams to the limit blocks 331, and insert the bottom holes at both ends of the upper and lower beams into the positioning pin assemblies 36, and the product is clamped and positioned; manually insert the two reinforcing ribs into the positioning pin assemblies 36 to achieve the clamping and positioning of the reinforcing ribs; manually insert the four ears into the ear positioning mechanism 33, and the ear clamping is completed; manually stick the middle reinforcing rib to the positioning backing 26, and then manually press the handle 241 to achieve the clamping and positioning of the middle reinforcing rib.

[0028] In summary: the elevator upper and lower beam welding mechanism can greatly improve processing efficiency and product precision, further enhance the market competitiveness of enterprises, and thus effectively solve the existing technical problems.

[0029] 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.

[0030] 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 upper and lower beam welding mechanism, comprising a frame (1), a first clamping unit (2) and a second clamping unit (3), characterized in that: The frame (1) is composed of a base plate (11), a displacement connection mechanism (12) and positioning holes (13), wherein the positioning holes (13) are evenly arranged in the middle of the plate surface of the base plate (11), and the displacement connection mechanism (12) is installed at both ends of the base plate (11); The first clamping unit (2) is arranged in the middle of the frame (1), and the first clamping unit (2) is composed of a first linear guide rail (21), a slider (22), a support (23), a pressure arm (24), a first cylinder assembly (25) and a positioning backer (26), wherein the first linear guide rail (21) is installed on the plate surface of the base plate (11), the slider (22) is slidably installed on the first linear guide rail (21), one end of the slider (22) is also installed with a movable positioning pin (221), the support (23) stands on the slider (22), one end of the support (23) is movably connected with the pressure arm (24), the pressure arm (24) is arranged at the upper end of the support (23), the first cylinder assembly (25) is installed on the outer side of the support (23) and is connected to one end of the pressure arm (24), and the positioning backer (26) is installed on the other end of the pressure arm (24) through a connecting piece (261); The second clamping unit (3) is arranged at both ends of the frame (1), and the second clamping unit (3) is composed of a second linear guide rail (31), a mechanism base (32), an ear positioning mechanism (33), a pressure arm assembly (34), a second cylinder assembly (35) and a positioning pin assembly (36), wherein the second linear guide rail (31) is installed on the plate surface of the base plate (11), the mechanism base (32) is slidably installed on the second linear guide rail (31), the ear positioning mechanism (33) is installed in parallel at one end of the mechanism base (32), the pressure arm assembly (34) is movably installed at the upper end of the mechanism base (32), and one end of the pressure arm assembly (34) is connected to the ear positioning mechanism (33). The second cylinder assembly (35) is installed at both ends of the mechanism base (32) and is movably connected to the other end of the pressure arm assembly (34). The positioning pin assembly (36) is arranged in parallel at the other end of the mechanism base (32). A handle (241) is also installed on the side wall of the pressure arm (24). Photoelectric switches (37) are also installed on the positioning backrest (26), the ear positioning mechanism (33) and the positioning pin assembly (36). Limiting blocks (331) are also installed on the side walls of both ends of the ear positioning mechanism (33). The positioning hole (13) corresponds to and matches the movable positioning pin (221), and the movable positioning pin (221) is inserted into the positioning hole (13).

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