H-shaped steel post-process production line

Abstract

The H-shaped steel post-process production line comprises a temporary storage station, an assembly station, a transfer system, a welding station and a cleaning and grinding system, H-shaped steel is taken out from the temporary storage station, transported to the assembly station through the transfer system, assembled and spliced manually, and transported to the welding station through the transfer system after being spliced; the whole production line is controlled in a coordinated mode through a production line master controller, signal exchange between the transfer conveying device and all the stations is achieved, automatic feeding and discharging of the components are completed, the conveying efficiency is improved, the safety of the production line is improved, and the production line is suitable for machining large-batch open type H-shaped steel beams. The production flow of the whole process is stable, the consistency of products is improved, and the requirement of dynamic production line assembly on the professional skill level of workers is reduced; welding workers are replaced by robot welding, the requirement for station workers is low, and meanwhile the cleaning and grinding workload is greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of section steel processing, and in particular to a post-process production line for H-section steel. Background Art

[0002] H-beam is a kind of steel with high strength, high rigidity and good stability. In the process of processing H-beam, in order to improve the strength of H-beam, parts are usually adjusted on H-beam to form components and improve the mechanical properties of H-beam. Domestic steel structure production enterprises generally adopt traditional manufacturing methods. The level of automation control system of its single equipment is not high. Limited by technical conditions, the application of automatic instrument detection and computer control technology is backward. At the same time, there are many process breakpoints and poor production continuity. Production operation and logistics are basically manual remote control (purely manual) beside the machine. Transportation is mainly completed by crane forklifts. There are high labor intensity and low production efficiency for workers. It is not suitable for mass production. When mass production is required, it is not conducive to reducing costs and stabilizing quality of products. There are too many human factors in product quality control. Because the product is too heavy, when steel needs to be moved, safety accidents are prone to occur. Summary of the invention

[0003] The invention provides an H-beam post-process production line, which solves the above-mentioned problems in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An H-beam post-process production line, characterized in that:

[0006] Buffer station, used to buffer the H-beams that have been cut;

[0007] Assembly station, used to assemble parts and H-beams;

[0008] The transfer system includes an RGV trolley and a trolley track. The trolley track is set on one side of the RGV material taking channel, and the RGV trolley moves on the trolley track;

[0009] The welding station is provided with a two-axis moving device, on which a welding robot moving along the two-axis moving device is provided, and the assembled H-shaped steel is automatically welded by the welding robot;

[0010] The grinding station is used to repair the welding and grinding of the processed H-beam;

[0011] The H-shaped steel is taken out from the buffer station and transported to the assembly station through the transfer system. The H-shaped steel is assembled and spliced ​​manually. After the splicing is completed, it is transported to the welding station through the transfer system. The spliced ​​components are welded and finally transported to the grinding station for processing.

[0012] Furthermore, a laser cutting assembly is provided before the cache station. The laser cutting assembly includes a loading roller, a cutting main unit, a discharging roller and a feeding clamp. The loading roller and the discharging roller are respectively located at the inlet and outlet at both ends of the cutting main unit. The feeding clamp is located on one side of the loading roller. The raw materials are transported by the loading roller to the cutting main unit. The raw materials are fed into the cutting area of ​​the cutting main unit along the loading roller by the feeding clamp. The raw materials are efficiently cut by the cutting main unit. Laser cutting has the characteristics of high power, wide cutting range and high cutting efficiency. After cutting, it is transported to the next process through the discharging roller.

[0013] Furthermore, a photoelectric switch detection component is provided on the feeding roller, which is used to detect the position of the H-beam. When the H-beam moves on the feeding roller, it enters the detection area of ​​the photoelectric switch and blocks the light beam emitted by the transmitter. The light intensity received by the receiver will change. The photoelectric switch can accurately detect the position of the H-beam and determine the position of the H-beam to facilitate subsequent processing.

[0014] Furthermore, the buffer station includes a longitudinal material channel, a transverse roller conveyor and an RGV material taking channel. The longitudinal material channel includes an upper material channel and a lower material channel. The upper material channel and the lower material channel are respectively arranged on both sides of the discharge roller conveyor. The lower material channel is rollingly connected to the transverse roller conveyor. The RGV material taking channel is rollingly connected to one end of the transverse roller conveyor. The upper material channel is used for cutting the residual material outlet. The lower material channel is used as a component discharge buffer. The components enter the transverse roller conveyor through the unloading material channel. The components enter the RGV material taking channel from the transverse roller conveyor and reach the corresponding position.

[0015] Furthermore, a lifting assembly is provided on the lower material channel, which is used to transport the H-beam to the transverse roller. Through automated lifting operations, the time and labor intensity of manual handling are reduced, the material transmission efficiency is improved, and at the same time, the stability of H-beam transportation is ensured, preventing safety hazards caused by material falling due to manual operation.

[0016] Furthermore, a lifting assembly is provided on the RGV trolley, and the lifting assembly is used to transport H-shaped steel.

[0017] Furthermore, the lifting assembly is provided with a telescopic fork, which extends and retracts toward both sides. The telescopic fork clamps and fixes the component (unfinished H-shaped steel) through telescopic movement, and cooperates with the lifting assembly to transport the component to various working procedures for processing and then perform loading and unloading operations, thereby realizing automated loading and unloading, improving efficiency, and reducing manual operations and costs.

[0018] Furthermore, the assembly station and the grinding station include a turning machine and a turning track. The turning machine is arranged on the turning track. The turning machine drives the H-shaped steel to rotate 180°. Since the H-shaped steel is a heavy material, it needs to be turned over when double-sided processing is required. Compared with the traditional laborious manual operation, the automatic turning method is faster, more accurate and labor-saving. At the same time, the turning angle can be set according to the needs, the turning position accuracy is higher, and the safety is better.

[0019] Furthermore, the welding station includes a rotary positioner, and at least one pair of rotary positioners are provided. The rotary positioner is arranged on one side of the trolley track, and the H-shaped steel is placed between the two rotary positioners. The rotary positioner can enable the H-shaped steel to maintain a stable rotational posture during the welding process to ensure that the weld is in the best welding position, which helps to reduce welding defects and improve welding quality. The rotary positioner cooperates with a welding robot or other welding equipment to achieve continuous and stable welding operations to reduce the labor intensity of workers. At the same time, it reduces manual intervention and waiting time and improves the working environment.

[0020] Furthermore, a clamp is provided on the welding station, which is used to limit the H-shaped steel to prevent the component from displacement or deformation during the welding process. The use of the clamp can reduce the time and labor intensity of manual adjustment and improve the degree of automation of the welding operation.

[0021] The present invention has the following beneficial effects due to the adoption of the above technical solution:

[0022] 1. The present invention provides an H-beam post-process production line, which coordinates and controls the production line as a whole through the production line master control, realizes signal exchange between the transfer and conveying device and each workstation, completes automatic loading and unloading of components, improves transportation efficiency, and enhances production line safety.

[0023] 2. The production line is suitable for processing large quantities of open H-shaped steel beams. The production process of the entire process is stable, which improves the consistency of the products.

[0024] 3. Due to the automatic cutting, hole making, locking, beveling and marking by laser, the automated production line assembly requires less professional skills from the workers; robot welding replaces welders, which has lower requirements for the workers at the workstation and greatly reduces the workload of cleaning and grinding.

[0025] 4. Subsequent production line upgrades can directly extend the production line layout backwards and add welding robots, which is highly flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below in conjunction with the accompanying drawings:

[0027] Figure 1 This is a workflow diagram of an H-beam post-process production line of the present invention;

[0028] Figure 2 It is a schematic diagram of the planar structure of the present invention;

[0029] Figure 3 It is a schematic diagram of the planar structure of the laser cutting assembly in the present invention;

[0030] Figure 4 It is a schematic diagram of the planar structure of the cache station in the present invention;

[0031] Figure 5 It is a schematic diagram of the planar structure of the special matching station and the grinding station in the present invention;

[0032] Figure 6 It is a schematic diagram of the planar structure of the welding station in the present invention;

[0033] Figure 7 It is a schematic diagram of the plane structure of the clamp in the present invention;

[0034] Figure 8 It is an enlarged view of the clamp in the present invention.

[0035] In the figure,

[0036] 10-Laser cutting assembly; 11-Cache station; 12-Assembly station; 13-Welding station; 14-Grinding station; 15-Transfer system; 16-Feeding clamp; 17-Cutting host; 18-Discharging roller; 19-Loading roller; 20-Longitudinal material channel; 21-Horizontal roller; 22-RGV material channel; 23-Trolley track; 24-RGV trolley; 25-Upper material channel; 26-Lower material channel; 27-Turning track; 28-Turning machine; 29-Swivel positioner; 30-Two-axis moving device; 31-Clamp; 32-Fixed seat; 33-Ball screw; 34-Clamping seat; 35-Guide rail; 36-Coupling; 37-Reduction motor; 38-Ball bearing. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0040] like Figure 1-Figure 8 As shown, the present invention provides an H-beam post-process production line, including a buffer station 11, an assembly station 12, a transfer system 15, a welding station 13 and a grinding station 14. The H-beam is taken out from the buffer station 11, transported to the assembly station 12 through the transfer system 15, and manually assembled and spliced. After the splicing is completed, it is transported to the welding station 13 through the transfer system 15, the spliced ​​components are welded, and finally transported to the grinding station 14 for processing.

[0041] A laser cutting assembly 10 is provided before the buffer station 11. The raw material enters the buffer station 11 after being cut by the laser cutting assembly 10. The laser cutting assembly 10 includes a loading roller 19, a cutting main machine 17, a discharging roller 18 and a feeding clamp 16. The loading roller 19 and the discharging roller 18 are respectively located at the inlet and outlet of the cutting main body. The loading roller 19 and the discharging roller can be connected by a conveying assembly formed by a motor, a rotating roller and other components to convey the raw material, but it is not limited to only this method. The prior art with the same The conveying mechanism has a good conveying effect. The feeding clamp 16 is located on one side of the loading roller 19. The feeding clamp 16 adopts the mechanism in the prior art and will not be described in detail. The raw materials are transported by the loading roller 19 to the cutting host 17. The raw materials are fed into the cutting area of ​​the cutting host 17 along the loading roller 19 by the feeding clamp 16. The raw materials are efficiently cut by the cutting host 17. Laser cutting has the characteristics of high power, wide cutting range and high cutting efficiency. After cutting, it is transported to the next process through the discharging roller 18.

[0042] In order to ensure that the feeding clamp 16 can accurately control the position of the H-beam, a photoelectric switch detection component is provided on the feeding roller 19. The photoelectric switch detection component can adopt the structure in the prior art. The photoelectric switch detection component is used to detect the position of the H-beam. When the H-beam moves on the feeding roller 19, it enters the detection area of ​​the photoelectric switch and blocks the light beam emitted by the transmitter. The light intensity received by the receiver will change. The photoelectric switch can accurately detect the position of the H-beam and determine the position of the H-beam. The feeding clamp receives the signal and starts working to clamp and transport the H-beam until the H-beam is processed at the main body of the cutting machine, which is convenient for subsequent processing.

[0043] The buffer station 11 is used to buffer the H-shaped steel that has been cut. The buffer station 11 includes a longitudinal material channel 20, a transverse roller conveyor 21 and an RGV material channel 22. The longitudinal material channel 20, the transverse roller conveyor 21 and the RGV material channel 22 all adopt structures with transportation effects in the prior art, which will not be described in detail here. The longitudinal material channel 20 includes an upper material channel 25 and a lower material channel 26. The upper material channel 25 and the lower material channel 26 are respectively arranged on both sides of the discharge roller conveyor 18, and the lower material channel 26 is rollingly connected to the transverse roller conveyor 21. The RGV material channel 22 is rollingly connected to one end of the transverse roller conveyor 21. The upper material channel 25 is used as a transportation channel for the outlet of the cutting residue, which is convenient for the centralized collection and processing of the residue. The lower material channel 26 is used as a component discharge buffer. The component enters the transverse roller conveyor 21 through the unloading material channel, and the component enters the RGV material channel 22 from the transverse roller conveyor 21 to reach the corresponding position

[0044] Due to the height difference between the lower material channel 26 and the transverse roller 21, a lifting component is provided on the lower material channel 26. The upgrading component mainly includes a material frame, a transmission chain, a rotating shaft, an oil cylinder, a bracket trolley, a reduction motor 37, etc. The reduction motor 37 is fixed on one side of the material frame, and the output end of the reduction motor 37 is connected to the rotating shaft through a chain plate. The two ends of the rotating shaft are connected to the two sides of the material frame, and the rotating shaft is connected to the transmission chain. The two ends of the transmission chain are transmission-connected to the lower side of the material frame and are movably connected to the bracket trolley to lift the component onto the material channel. The reduction motor 37 is started to move the bracket to the bottom of the frame through the chain. The frame is raised by the oil cylinder, and the transmission chain drives the component to move. After it is in place, the bracket descends and the component falls on the roller frame. However, the upgrading component is not limited to the use of this structure, and a mechanism with the same effect in the prior art can also be used. The lifting component transports the H-shaped steel to the transverse roller 21. Through the automated lifting operation, the time and labor intensity of manual handling are reduced, the transmission efficiency of the material is improved, and the stability of the H-shaped steel transportation is ensured at the same time, and the safety hazard caused by the falling of materials due to manual operation is prevented.

[0045] A transfer system 15 is provided on one side of the transverse roller 21. The transfer system 15 includes an RGV trolley 24 and a trolley track 23. The trolley track 23 is arranged in the middle of the production line, on one side of the RGV material taking channel 22. There are two RGV trolleys 24, and the specific number can be set according to actual conditions. The two RGV trolleys 24 move synchronously on the trolley track 23. The distance between the two RGV trolleys 24 can be adjusted, and the size of the distance automatically changes according to the change of the workpiece length to meet the transfer requirements of components of different lengths. In order to facilitate the RGV trolley 24 to transport the H-shaped steel to the assembly station 12, the RGV trolley 24 has a lifting assembly and a telescopic fork. The telescopic fork adopts a chain-type bidirectional telescopic fork, including a front fork, a center fork, a fixed fork and a guide wheel. The fixed fork is fixed on the lifting assembly, the center fork is arranged on the upper part of the fixed fork, and the front fork is arranged on the upper part of the center fork. The driving device adopts a transmission method composed of a gear chain combination to drive the front fork and the center fork to move left and right. The trolley receives a signal and moves to the designated station, and the bidirectional telescopic fork extends to clamp the component.

[0046] The lifting assembly includes a servo motor, a planetary gear, a transmission screw and upper and lower shells. The upper shell is rotationally connected to the planetary gear, and the lower shell is provided with a threaded hole corresponding to the transmission screw. The planetary gear is fixedly connected to the transmission screw. The motor rotates the sun gear to drive the planetary gear to rotate, and the transmission screw rotates to make the upper shell move up and down. The motor controls the moving direction of the jacking device by forward and reverse rotation. When the bidirectional telescopic fork is extended to clamp the component, the lifting assembly is used to load and unload the component. The lifting assembly and the telescopic fork can adopt components with the same effect in the prior art.

[0047] When the RGV trolley 24 transports the components to the assembly station 12, the operator splices and assembles the components. The assembly station 12 and the grinding station 14 include a flipping machine 28 and a flipping track 27. The flipping machine 28 is arranged on the flipping track 27. The flipping machine 28 adopts equipment on the market. The flipping machine 28 includes a base, a flipping body, a hinged body, a transmission device, a control system and a safety device, which will not be described in detail here. The flipping machine 28 drives the H-shaped steel component to rotate 360° without dead angles. Since the H-shaped steel is a heavy material, it needs to be turned over when it needs to be processed on both sides. The automatic flipping method of the flipping machine 28 is faster, more accurate and labor-saving. At the same time, the flipping angle can be set according to the needs. The flipping position accuracy is higher and the safety is better. The flipping machine 28 is specifically provided with two, which are arranged on both sides of the trolley track 23. The two flipping machines 28 adjust the spacing according to the length of the component. The component is placed on the flipping machine 28 through the transfer system 15. The worker first assembles the part plate on one side. The flipping machine 28 starts to flip the component 180°, and the worker assembles the other side of the component.

[0048] After assembly is completed, the components are transported to the welding station 13 through the transfer system 15. The welding station 13 includes a rotary positioner 29. The rotary positioner 29 adopts common equipment on the market. The rotary positioner 29 includes a positioner track, a rotating motor, a turntable, an open positioner, a screw clamp 31 and a bracket. The rotary positioner 29 is at least provided with a pair. The rotary positioner 29 is arranged on one side of the trolley track 23, and the H-shaped steel is placed between the two rotary positioners. The rotary positioner 29 can keep the H-shaped steel in a stable rotation posture during the welding process to ensure that the weld is in the best welding position, which helps to reduce welding defects and improve welding quality. The rotary positioner 29 cooperates with a welding robot or other welding equipment to achieve continuous and stable welding operations to reduce the labor intensity of workers. At the same time, it reduces manual intervention and waiting time and improves the working environment.

[0049] A two-axis moving device 30 is provided on one side of the rotary positioner 29. The two-axis moving device 30 adopts a device that can move in two directions in the prior art. The specific structure is not repeated here. A welding robot that moves along the two-axis moving device 30 is provided on the two-axis moving device 30. The welding robot adopts a product in the prior art. A fixture 31 is provided on the welding station 13. The fixture 31 includes a reduction motor 37, a ball screw 33, a ball bearing 38, a fixed seat 32, a clamping seat 34, a guide rail 35 and a coupling 36. The reduction motor 37 is connected to the ball screw 33 through the coupling 36. The ball screw 33 is arranged between the two fixed seats 32. The ball bearing 38 is spirally connected to the ball screw 33. The ball bearing 38 is connected to the clamping seat 34. A guide rail 35 is provided between the two fixed seats 32. The clamping seat 34 The seat 34 is slidably connected to the guide rail 35, and the clamping seat 34 moves along the guide rail 35. Four clamps 31 are evenly distributed around the circumference. The ball screw 33 is driven to rotate by the rotation of the motor, and the ball bearing 38 starts to make linear motion. The forward and reverse rotation of the reduction motor 37 realizes the bidirectional movement of the clamping seat 34 along the guide rail 35, driving the clamping seat 34 to move toward the center to clamp or loosen the component. The clamp 31 is used to limit the H-shaped steel to prevent the component from being displaced or deformed during the welding process. The use of the clamp 31 can reduce the time and labor intensity of manual adjustment and improve the degree of automation of the welding operation. The welding robot scans, identifies and locates the H-shaped steel as a whole, matches the model stored in the workstation library, determines the position of the stiffening plate, and the double welding robot cooperates with the rotary positioner 29 to start welding.

[0050] The welded components are transported to the grinding station 14 through the transfer system 15. The grinding station 14 includes a turning machine 28, a turning track 27 and a material unloading rack. The components are placed on the turning machine 28 through the RGV trolley 24 in the transfer system 15, and are manually repaired and polished. The material unloading rack is installed on the other side of the trolley track 23. The material unloading rack is provided with a transport mechanism. The transport mechanism can adopt two common transmissions on the market. Through the cooperation of chains, motors, transmission belts and transmission shafts, the transportation of the processed components is realized, and the processed components are further centralized for processing.

[0051] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. An H-beam post-process production line, characterized in that: include Buffer station, used to buffer the H-beams that have been cut; Assembly station, used to assemble parts and H-beams; The transfer system includes an RGV trolley and a trolley track, wherein the trolley track is arranged on one side of the RGV material taking channel, and the RGV trolley moves on the trolley track; A welding station, wherein the welding station is provided with a two-axis moving device, and a welding robot moving along the two-axis moving device is provided on the two-axis moving device, and the assembled H-shaped steel is automatically welded by the welding robot; The grinding station is used to perform repair welding and grinding on the processed H-beam.

2. The H-beam post-process production line according to claim 1, characterized in that: A laser cutting assembly is provided before the cache station, and the laser cutting assembly includes a loading roller, a cutting main body, a discharging roller and a feeding clamp. The loading roller and the discharging roller are respectively located at the inlet and outlet at both ends of the cutting main body, and the feeding clamp is located on one side of the loading roller.

3. The H-beam post-process production line according to claim 1 is characterized in that: A photoelectric switch detection component is provided on the feeding roller, and the photoelectric switch detection component is used to detect the position of the H-beam.

4. The H-beam post-process production line according to claim 2 is characterized in that: The buffer station includes a longitudinal material channel, a transverse roller conveyor and an RGV material taking channel. The longitudinal material channel includes an upper material channel and a lower material channel. The upper material channel and the lower material channel are respectively arranged on both sides of the discharge roller conveyor. The lower material channel is rollingly connected to the transverse roller conveyor. The RGV material taking channel is rollingly connected to one end of the transverse material channel.

5. The H-beam post-process production line according to claim 4 is characterized in that: A lifting assembly is provided on the lower material channel, and the lifting assembly is used to transport the H-shaped steel to the transverse roller.

6. The H-beam post-process production line according to claim 1, characterized in that: The RGV trolley is provided with a lifting assembly, and the lifting assembly is used for conveying H-shaped steel.

7. The H-beam post-process production line according to claim 6, characterized in that: The lifting assembly is provided with a telescopic fork, and the telescopic fork is telescopic toward both sides.

8. The H-beam post-process production line according to claim 1, characterized in that: The assembly station and the cleaning station include a turning machine and a turning track. The turning machine is arranged on the turning track. The turning machine drives the H-shaped steel to rotate 180 degrees.

9. The H-beam post-process production line according to claim 1, characterized in that: The welding station comprises a rotary positioner, and at least one pair of rotary positioners is provided. The rotary positioner is arranged on one side of the trolley track, and the H-shaped steel is placed between the two rotary positioners.

10. The H-beam post-process production line according to claim 1, characterized in that: A clamp is provided on the welding station, and the clamp is used to limit the position of the H-shaped steel.

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