Robot welding equipment for mixing chamber

By using robot welding equipment driven by PLC controller in the mixing room of the dense mixer, automated welding is realized, and the problems of harsh and low efficiency of manual welding environment are solved, the welding accuracy and efficiency are improved, and the cost is reduced.

CN222492739UActive Publication Date: 2025-02-18SHANDONG LINGLONG ELECTROMECHANICAL
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Patent Information

Application Number
CN202420409450.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2025-02-18
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

In the prior art, the overhaul inner wall of the mixing room of the dense mixer requires welding of cemented carbide, the surface and surrounding temperatures of the workpiece are high, the artificial welding environment is harsh, the labor intensity is high, the efficiency is low, and the welding quality is poor, resulting in subsequent processing. The process is difficult and costly.

Method used

The mixing room robot welding equipment is adopted, including independently-installed PLC controller, welding components, rotating components and fixed tooling. The robotic arm and welding machine are controlled through the PLC controller to achieve automated welding.

Benefits of technology

The full-process mechanized welding without manual participation is achieved, which reduces workers' labor intensity and environmental risks, improves welding accuracy and efficiency, reduces the instability of welding quality, and simplifies the disassembly process of the mixing room.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding equipment, in particular to mixing chamber robot welding equipment which comprises a PLC, a welding assembly, a rotating assembly, a connecting plate and a fixing tool which are independently arranged, and the welding assembly is controlled by the PLC; the rotating assembly is controlled by a PLC (Programmable Logic Controller); the connecting plate rotates through a rotating assembly, and a plurality of second threaded positioning holes are formed in the plate surface of the connecting plate; the fixing tool comprises a mounting bottom plate and two supporting plates, a plurality of counter bores are formed in the plate face of the mounting bottom plate, a part of the counter bores of the mounting bottom plate are aligned with a part of the second threaded positioning holes of the connecting plate, and first fixing bolts are arranged between the counter bores and the aligned second threaded holes. A semicircular groove is formed in the top of the supporting plate. The automatic welding device does not need manual work, is mechanically operated in the whole process, reduces the labor intensity of workers, improves the safety degree of the working environment of the workers, and meanwhile is more accurate in welding.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to robot welding equipment for a mixing chamber. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. There are many sources of energy for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasound. In addition to being used in factories, welding can also be performed in a variety of environments, such as outdoors, underwater and in space. No matter where it is, welding may be dangerous to the operator, so appropriate protective measures must be taken when welding. Possible injuries to the human body caused by welding include burns, electric shock, visual impairment, inhalation of toxic gases, excessive ultraviolet radiation, etc.

[0003] At present, the mixing room of the internal mixer ( Figure 1 As shown in the figure, through holes are opened on both sides) The inner wall of the overhaul needs to be welded with hard alloy. Before welding the alloy layer, the mixing chamber needs to be heated in an annealing furnace. Therefore, the surface temperature of the workpiece and the surrounding area is as high as 300°C. The manual welding environment is harsh, and welders need to wear special protective clothing for welding. The welding labor intensity is high, the welding efficiency is low, and the welding quality stability is poor, which makes the subsequent processing procedures difficult and the overhaul cost is high. Utility Model Content

[0004] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a mixing chamber robot welding equipment.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] Mixing room robot welding equipment, including:

[0007] Independently set PLC controller;

[0008] A welding assembly, wherein the welding assembly is controlled by a PLC controller;

[0009] A rotating assembly, wherein the rotating assembly is controlled by a PLC controller;

[0010] A connecting plate, the connecting plate is rotated by a rotating assembly, and a plurality of second threaded positioning holes are formed on a plate surface of the connecting plate;

[0011] A fixing tool, the fixing tool comprises a mounting base plate and two support plates, a plate surface of the mounting base plate is provided with a plurality of countersunk holes, a portion of the countersunk holes of the mounting base plate is aligned with a portion of the second threaded positioning holes of the connecting plate, a first fixing bolt is arranged between the countersunk holes and the second threaded holes aligned therewith, a semicircular groove is provided on the top of the support plate, the bottoms of the two support plates are respectively fixed at the two end positions of the top of the mounting base plate, a plurality of first threaded holes are provided on the outer side of the support plate, and the plurality of first threaded holes are distributed in equidistant circular rings around the central axis of the semicircular groove.

[0012] As a further solution of the utility model: the welding assembly includes a robotic arm and a welding machine, the robotic arm and the welding machine are both electrically connected to the PLC controller, the robotic arm is entirely arranged on one side of the rotating assembly, and the body of the welding machine is installed on the moving end of the robotic arm.

[0013] As a further solution of the utility model: the rotating assembly includes a box body, a rotating plate and a servo reduction motor, the servo reduction motor is electrically connected to the PLC controller, the servo reduction motor is arranged as a whole inside the box body, the output shaft of the servo reduction motor is led out of the box body and the center axis is arranged horizontally, one end of the rotating plate is fixed on the output shaft of the servo reduction motor, and the bottom of the connecting plate is fixed on the rotating plate.

[0014] As a further solution of the utility model: a plurality of reinforcing ribs are fixed between the support plate and the installation base plate.

[0015] As a further solution of the utility model: the rotating plate and the fixed tooling are replaced with a fixed component, the fixed component includes a square frame, two clamping plates and a centering component, the square frame is fixed on the rotating plate as a whole, and the centering component is arranged in the square frame, the two clamping plates perform centering movement through the centering component, the specifications of the clamping plate are consistent with those of the support plate, a plurality of first rotating holes are opened on the outer wall of the clamping plate, and a positioning component is arranged in the first rotating hole.

[0016] As a further solution of the utility model: the centering component includes a first servo motor, a double-threaded rod, two movable plates and multiple guide rods, second rotating holes are provided at both ends of the square frame, and the two ends of the double-threaded rod are respectively rotatably installed in the two second rotating holes, the outer walls of the two movable plates are respectively provided with left-handed threaded holes and right-handed threaded holes, and the two ends of the double-threaded rod are respectively installed in the left-handed threaded holes and the right-handed threaded holes through left-handed threads and right-handed threads, the first servo motor is electrically connected to the PLC controller, the casing of the first servo motor is fixed on the square frame, the output shaft of the first servo motor is coaxially fixed with the double-threaded rod, the two ends of the guide rod are respectively fixed on the two ends in the square frame, the overall sliding sleeve of the movable plate is arranged on the guide rod, and the clamping plate is fixed to the movable plate.

[0017] As a further solution of the utility model: the positioning assembly includes a second servo motor, a single threaded rod, a limit plate, a threaded ring and multiple clamping plates, the second servo motor establishes an electrical connection with the PLC controller, the outer wall of the clamping plate is provided with a T-slot distributed in a ring shape with the central axis of the first rotating hole, one end of the clamping plate is in the shape of a T-head, and the clamping plate is slidably arranged in the T-slot through the T-head, one end of the single threaded rod is rotatably installed in the first rotating hole, the limit plate is coaxially fixed with the single threaded rod, the inner wall of the threaded ring is threadedly installed on the outside of the single threaded rod, a connecting rod is commonly connected between the clamping plate and the threaded ring, the casing of the second servo motor is fixed on the clamping plate, and the output shaft of the second servo motor is coaxially fixed with the single threaded rod.

[0018] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0019] First, the welding device does not rely on manual labor, and is operated by machines throughout the process, which reduces the labor intensity of workers and improves the safety of the workers' working environment. At the same time, the welding is more accurate;

[0020] Second, there is no need to use tools to remove the bolts, making the disassembly of the mixing chamber more convenient and faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the structure in the mixing chamber.

[0022] Figure 2 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0023] Figure 3 This is a schematic diagram of the overall fixing tooling structure of the first embodiment of the utility model.

[0024] Figure 4 This is a schematic diagram of the fixing tool structure of the first embodiment of the utility model.

[0025] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0026] Figure 6 for Figure 5 A is an enlarged structural diagram of FIG.

[0027] In the figure: 1. welding assembly; 2. rotating assembly; 3. connecting plate; 4. fixing tool; 5. mounting base plate; 6. supporting plate; 7. reinforcing rib; 8. first threaded hole; 9. countersunk hole; 10. second threaded hole; 11. square frame; 12. clamping plate; 13. guide rod; 14. double threaded rod; 15. first servo motor; 16. limit plate; 17. threaded ring; 18. connecting rod; 19. T-slot; 20. second servo motor; 21. tightening plate; 22. single threaded rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1

[0030] See also Figure 1 to Figure 4 In the embodiment of the utility model, the mixing chamber robot welding equipment includes:

[0031] Independently set PLC controller, PLC controller is a prior art, and the working principle and specific structure are not described in detail here;

[0032] A welding assembly 1 for welding, wherein the welding assembly 1 is controlled by a PLC controller;

[0033] Rotating component 2, rotating component 2 is controlled by a PLC controller;

[0034] A connecting plate 3, the connecting plate 3 is rotated by the rotating assembly 2, and a plurality of second threaded positioning holes are opened on the plate surface of the connecting plate 3;

[0035] The fixing fixture 4 includes a mounting base plate 5 and two support plates 6. A plurality of countersunk holes 9 are provided on the surface of the mounting base plate 5. A portion of the countersunk holes 9 of the mounting base plate 5 is aligned with a portion of the second threaded positioning holes of the connecting plate 3. A first fixing bolt is provided between the countersunk holes 9 and the second threaded holes 10 aligned therewith. It can be seen that the connecting plate 3 and the mounting base plate 5 are fixed by the first fixing bolt. By changing the alignment position of the countersunk holes 9 on the mounting base plate 5 and the second threaded positioning holes of the connecting plate 3, the relative position is changed. The support plates 6 A semicircular groove is provided on the top (the semicircular groove is consistent with the mixing chamber), the bottoms of the two support plates 6 are respectively fixed at the two end positions of the top of the mounting base plate 5, and a plurality of first threaded holes 8 are provided on the outer side of the support plate 6. The plurality of first threaded holes 8 are distributed in equidistant circular rings around the central axis of the semicircular groove. The mixing chamber is placed between the two support plates 6, and the two ends of the mixing chamber are respectively in contact with the two support plates 6, and then the second fixing bolts are installed in the first threaded holes 8, and the second fixing bolts are inserted into the through holes of the mixing chamber, so that the mixing chamber is fixed to the fixing tool 4.

[0036] Specifically, the welding assembly 1 includes a robotic arm and a welding machine, both of which are electrically connected to the PLC controller. The robotic arm is arranged on one side of the rotating assembly 2, and the body of the welding machine is installed on the mobile end of the robotic arm. The robotic arm and the welding machine are both existing technologies, and the working principle and specific structure are not specifically explained here. The robotic arm uses the mobile end to weld the moving trajectory of the machine, and the moving trajectory is programmed by the PLC controller.

[0037] Specifically, the rotating component 2 includes a box body, a rotating plate and a servo reduction motor. The servo reduction motor is electrically connected to the PLC controller. The servo reduction motor is arranged as a whole inside the box body. The output shaft of the servo reduction motor is led out of the box body and the center axis is arranged horizontally. One end of the rotating plate is fixed on the output shaft of the servo reduction motor, and the bottom of the connecting plate 3 is fixed on the rotating plate. The servo reduction motor is a prior art, and the working principle and specific structure are not specifically described here. Under the control of the PLC controller, the rotating component 2 causes the fixed tooling 4 to rotate a certain angle within a certain time.

[0038] Specifically, a plurality of reinforcing ribs 7 for reinforcing the structure are fixed between the support plate 6 and the mounting base plate 5 .

[0039] Working principle: the mixing chamber is placed between two support plates 6, and the two ends of the mixing chamber are respectively in contact with the two support plates 6, and then the second fixing bolt is installed in the first threaded hole 8, and the second fixing bolt is inserted into the through hole of the mixing chamber, so that the mixing chamber is fixed to the fixed tooling 4, and the robot arm uses the moving end to weld the moving trajectory of the machine. The moving trajectory is programmed by the PLC controller, and the moving component is controlled by the PLC controller to make the fixed tooling 4 rotate a certain angle within a certain time. In summary, this welding device does not rely on manual labor, and is operated by machinery throughout the process, which reduces the labor intensity of workers and improves the safety of the workers' working environment. At the same time, the welding is more precise.

[0040] Example 2

[0041] See also Figure 5-6 Compared with Example 1, this embodiment also includes: replacing the rotating plate and the fixed tooling 4 with a fixed component, the fixed component includes a square frame 11, two clamping plates 12 and a centering component, the square frame 11 is fixed on the rotating plate as a whole, and the centering component is arranged in the square frame 11, the two clamping plates 12 are centered through the centering component, the specifications of the clamping plates 12 and the support plates 6 are consistent, a plurality of first rotating holes are opened on the outer wall of the clamping plates 12, and a positioning component is arranged in the first rotating hole.

[0042] Specifically, the centering assembly includes a first servo motor 15, a double-threaded rod 14, two movable plates and a plurality of guide rods 13. Second rotating holes are provided at both ends of the frame 11. The two ends of the double-threaded rod 14 are respectively rotatably mounted in the two second rotating holes. Left-handed threaded holes and right-handed threaded holes are respectively provided on the outer walls of the two movable plates. The two ends of the double-threaded rod 14 are respectively mounted in the left-handed threaded holes and the right-handed threaded holes through left-handed threads and right-handed threads. The first servo motor 15 is electrically connected to the PLC controller. The casing of the servo motor 15 is fixed on the square frame 11, the output shaft of the first servo motor 15 is coaxially fixed with the double-threaded rod 14, the two ends of the guide rod 13 are respectively fixed on the two ends inside the square frame 11, the overall sliding sleeve of the movable plate is arranged on the guide rod 13, the clamping plate 12 is fixed to the movable plate, the mixing chamber is placed on the square frame 11, the first servo motor 15 drives the double-threaded rod 14 to rotate through the output shaft, and the two movable plates approach each other until the clamping plate 12 on the movable plate fits with the mixing chamber, so that the positioning mechanism is inserted into the mixing chamber.

[0043] Specifically, the positioning assembly includes a second servo motor 20, a single threaded rod 22, a limit plate 16, a threaded ring 17 and a plurality of clamping plates 21. The second servo motor 20 is electrically connected to the PLC controller. The outer wall of the clamping plate 12 is provided with a T-slot 19 distributed in a ring shape with the central axis of the first rotating hole. One end of the clamping plate 21 is in a T-head shape. The clamping plate 21 is slidably arranged in the T-slot 19 through the T-head. One end of the single threaded rod 22 is rotatably installed in the first rotating hole. The limit plate 16 is coaxially fixed with the single threaded rod 22. The inner wall of the threaded ring 17 is installed on the outside of the single threaded rod 22 through threads, and a connecting rod 18 is commonly connected between the clamping plate 21 and the threaded ring 17. The housing of the second servo motor 20 is fixed on the clamping plate 12, and the output shaft of the second servo motor 20 is coaxially fixed with the single threaded rod 22. The second servo motor 20 of the positioning mechanism is rotated by the single threaded rod 22, and the threaded ring 17 moves along the single threaded rod 22. The threaded ring 17 pushes each clamping plate 21 outward, and the clamping plate 21 contacts the inner wall of the through hole of the mixing chamber.

[0044] Working principle: the mixing chamber is placed on the frame 11, the first servo motor 15 drives the double-threaded rod 14 to rotate through the output shaft, and the two movable plates approach each other until the clamping plate 12 on the movable plate fits with the mixing chamber, so that the positioning mechanism is inserted into the mixing chamber, and the second servo motor 20 of the positioning mechanism rotates through the single-threaded rod 22, and the threaded ring 17 moves along the single-threaded rod 22. The threaded ring 17 pushes each tightening plate 21 outward, and the tightening plate 21 contacts the inner wall of the through hole of the mixing chamber. In summary, there is no need to use tools to remove the bolts, making the disassembly of the mixing chamber more convenient and faster.

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. Mixing room robot welding equipment, characterized in that: Including independent PLC controller; A welding assembly (1), wherein the welding assembly (1) is controlled by a PLC controller; A rotating assembly (2), wherein the rotating assembly (2) is controlled by a PLC controller; A connecting plate (3), the connecting plate (3) being rotated by the rotating assembly (2), and a plate surface of the connecting plate (3) being provided with a plurality of second threaded positioning holes; A fixing fixture (4), the fixing fixture (4) comprising a mounting base plate (5) and two support plates (6), a plate surface of the mounting base plate (5) is provided with a plurality of countersunk holes (9), a portion of the countersunk holes (9) of the mounting base plate (5) is aligned with a portion of the second threaded positioning holes of the connecting plate (3), a first fixing bolt is arranged between the countersunk holes (9) and the second threaded holes (10) aligned therewith, a semicircular groove is provided on the top of the support plate (6), the bottoms of the two support plates (6) are respectively fixed at the two end positions of the top of the mounting base plate (5), a plurality of first threaded holes (8) are provided on the outer side of the support plate (6), and the plurality of first threaded holes (8) are distributed in an equidistant circular ring around the central axis of the semicircular groove.

2. The mixing chamber robot welding equipment according to claim 1, characterized in that: The welding assembly (1) comprises a mechanical arm and a welding machine, the mechanical arm and the welding machine are both electrically connected to a PLC controller, the mechanical arm is entirely arranged on one side of a rotating assembly (2), and the body of the welding machine is mounted on the moving end of the mechanical arm.

3. The mixing chamber robot welding equipment according to claim 1, characterized in that: The rotating assembly (2) comprises a housing, a rotating plate and a servo reduction motor, the servo reduction motor is electrically connected to a PLC controller, the servo reduction motor is arranged as a whole inside the housing, the output shaft of the servo reduction motor is led out of the housing and the central axis is arranged horizontally, one end of the rotating plate is fixed on the output shaft of the servo reduction motor, and the bottom of the connecting plate (3) is fixed on the rotating plate.

4. The mixing chamber robot welding equipment according to claim 1, characterized in that: A plurality of reinforcing ribs (7) are fixed between the support plate (6) and the mounting base plate (5).

5. The mixing chamber robot welding equipment according to claim 3, characterized in that: The rotating plate and the fixed tooling (4) are replaced with a fixed component, wherein the fixed component comprises a square frame (11), two clamping plates (12) and a centering component. The square frame (11) is fixed on the rotating plate as a whole, and the centering component is arranged in the square frame (11). The two clamping plates (12) are centered by the centering component. The specifications of the clamping plates (12) and the support plates (6) are consistent. A plurality of first rotating holes are provided on the outer wall of the clamping plates (12), and a positioning component is arranged in the first rotating hole.

6. The mixing chamber robot welding equipment according to claim 5, characterized in that: The centering component comprises a first servo motor (15), a double-threaded rod (14), two movable plates and a plurality of guide rods (13); second rotating holes are respectively provided at both ends of the square frame (11); the two ends of the double-threaded rod (14) are respectively rotatably mounted on the two second rotating holes; the outer walls of the two movable plates are respectively provided with a left-handed threaded hole and a right-handed threaded hole; the two ends of the double-threaded rod (14) are respectively mounted on the left-handed threaded hole and the right-handed threaded hole through left-handed threads and right-handed threads; the first servo motor (15) is electrically connected to the PLC controller; the housing of the first servo motor (15) is fixed on the square frame (11); the output shaft of the first servo motor (15) is coaxially fixed with the double-threaded rod (14); the two ends of the guide rod (13) are respectively fixed on the two ends in the square frame (11); the entirety of the movable plate is slidably sleeved on the guide rod (13); and the clamping plate (12) is fixed to the movable plate.

7. The mixing chamber robot welding equipment according to claim 5, characterized in that: The positioning assembly comprises a second servo motor (20), a single threaded rod (22), a limit plate (16), a threaded ring (17) and a plurality of clamping plates (21); the second servo motor (20) is electrically connected to the PLC controller; the outer wall of the clamping plate (12) is provided with a T-shaped slot (19) distributed in a ring shape with the central axis of the first rotating hole; one end of the clamping plate (21) is in the shape of a T-head; the clamping plate (21) is slidably arranged in the T-shaped slot (19) through the T-head; the single threaded rod (22) is electrically connected to the PLC controller; the outer wall of the clamping plate (12) is provided with a T-shaped slot (19) distributed in a ring shape with the central axis of the first rotating hole; one end of the clamping plate (21) is in the shape of a T-head; the clamping plate (21) is slidably arranged in the T-shaped slot (19) through the T-head; One end of the threaded rod (22) is rotatably mounted in the first rotating hole, the limiting plate (16) is coaxially fixed to the single threaded rod (22), the inner wall of the threaded ring (17) is threadedly mounted on the outer side of the single threaded rod (22), a connecting rod (18) is commonly connected between the clamping plate (21) and the threaded ring (17), the housing of the second servo motor (20) is fixed on the clamping plate (12), and the output shaft of the second servo motor (20) is coaxially fixed to the single threaded rod (22).