CN115446586B

CN115446586B - Ultrasonic welding production line for automobile threshold tool and working method thereof

Info

Publication number: CN115446586B
Application number: CN202210607180.4A
Authority: CN
Inventors: 张扬; 霍泽林; 何文宝; 宋黎
Original assignee: Suzhou Haitai Automobile Technology Co ltd
Current assignee: Suzhou Haitai Automobile Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-11-24
Anticipated expiration: 2042-05-31
Also published as: CN115446586A

Abstract

The invention discloses an ultrasonic welding production line of an automobile threshold tool, which comprises the following steps: the welding machine comprises a feeding station, a buckle installation station, a group of welding stations and a welding and blanking station, wherein the feeding station, the buckle installation station, the group of welding stations and the welding and blanking station are sequentially arranged from front to back, the feeding station is provided with a feeding device, the buckle installation station comprises a metal buckle feeding device, a plastic buckle feeding device and a group of buckle assembling devices, the metal buckle feeding device and the plastic buckle feeding device are arranged on two sides of a frame, the buckle assembling devices are arranged between two adjacent metal buckle feeding devices and the plastic buckle feeding device, the welding station comprises a group of welding gun replacement tools, the welding and blanking station comprises welding and blanking devices, the welding gun replacement tools are arranged on two sides of the frame of the welding station, and the assembly line type production is realized through the feeding station, the buckle installation station, the group of welding stations and the welding and blanking station, so that the processing efficiency of the door threshold plate is improved, and the investment of enterprise cost is reduced.

Description

Ultrasonic welding production line for automobile threshold tool and working method thereof

Technical Field

The invention belongs to the technical field of automobile plastic part processing, and particularly relates to an automobile threshold tool ultrasonic welding production line and a working method thereof.

Background

The automobile threshold is also called as a welcoming pedal, the automobile threshold plate is fixed by adopting a buckle, the threshold plate is required to be welded locally after the buckle is installed, and most of traditional threshold plate processing is performed by feeding each working procedure manually, so that the workload of workers is increased in the manual carrying and transferring processes, and a great amount of time is consumed, so that the processing efficiency is seriously affected; even if some enterprises adopt an automatic feeding mechanism to feed the material, the material is easy to deviate in the transportation process, so that the accuracy of the later-stage buckle installation and the welding position can be influenced;

when the buckles are installed, the buckles are installed one by manpower, however, as the number of buckles to be installed is large, more workers are required to install the buckles simultaneously, so that the labor cost of enterprises is increased, and the grabbing and installing efficiency of the buckles is also influenced;

in the actual production process, as the positions required to be welded on the rocker plate are more, and the types, welding positions and welding requirements of products are different, different welding guns are required to be used for welding, some enterprises can set different welding equipment, so that the equipment cost investment of the enterprises in the welding process is increased, some welding guns on the welding robot can be replaced manually, when the welding guns are manually replaced, the corresponding welding guns are required to be found by manually removing the welding gun placement positions, the welding guns are replaced by taking the designated positions of the production line, the steps of replacing the welding guns are complicated, and the whole process is time-consuming and long

In view of the above, the existing automobile door sill production line is still to be improved.

Disclosure of Invention

The invention aims to: in order to overcome the defects, the invention aims to provide the ultrasonic welding production line for the automobile threshold tool, which has the advantages of simple structure, reasonable design, easiness in production, high degree of automation, reduction of the amount of manual labor and improvement of the working efficiency.

The technical scheme is as follows: in order to achieve the above purpose, the invention provides an ultrasonic welding production line for an automobile threshold tool, comprising: the welding machine comprises a feeding station, a buckle installation station, a group of welding stations and a welding and blanking station, wherein the feeding station, the buckle installation station, the group of welding stations and the welding and blanking station are sequentially arranged from front to back, the feeding station is provided with a first feeding device, the buckle installation station comprises a metal buckle feeding device, a plastic buckle feeding device and a group of buckle assembling devices, the metal buckle feeding device and the plastic buckle feeding device are arranged on two sides of a frame, the frame extends to the welding station, the buckle assembling devices are arranged between two adjacent metal buckle feeding devices and the plastic buckle feeding device, the welding station comprises a group of welding gun replacing tools, the welding and blanking station comprises a welding and blanking device, and the welding gun replacing tools are arranged on two sides of the frame of the welding station. The first feeding device comprises a feeding frame, a transmission mechanism, a product conveying tool, a group of first positioning calibration mechanisms and second positioning calibration mechanisms, wherein the transmission mechanism is arranged on the inner side of the feeding frame, the product conveying tool is arranged on the transmission mechanism, positioning calibration blocks and positioning calibration boxes are arranged at two ends of two sides of the product conveying tool, and the first positioning calibration mechanisms and the second positioning calibration mechanisms are fixed on the feeding frame and are respectively arranged opposite to the positioning calibration blocks and the positioning calibration boxes; further, the metal buckle feeding device comprises a feeding box, a vibrating disc, a direct vibrator, a feeding track and a feeding device, wherein the feeding box and the vibrating disc are arranged on a workbench, the vibrating disc is arranged below a discharge hole of the feeding box, the direct vibrator is arranged on one side of the vibrating disc and is connected with the workbench through a supporting seat, the feeding track is arranged above the direct vibrator, one end of the feeding track is connected with the discharge hole of the vibrating disc, and the feeding device is connected with the workbench through a fixing seat and is arranged at the discharge hole of the feeding track; the plastic buckle feeding device comprises a plastic buckle feeding box, a plastic buckle vibration disc, a plastic buckle direct vibrator, a material distributing mechanism, a buckle feeding device and an auxiliary feeding rail, wherein the plastic buckle feeding box and the plastic buckle vibration disc are both arranged on a workbench, the plastic buckle vibration disc is arranged below a discharge hole of the plastic buckle feeding box, the plastic buckle direct vibrator is connected with the workbench through a supporting seat and is arranged on one side of the discharge hole of the plastic buckle vibration disc, the feeding rail on the plastic buckle direct vibrator is connected with the discharge hole of the plastic buckle vibration disc, the material distributing mechanism is arranged on the workbench and is arranged on one side of the feeding rail close to the buckle feeding device, the buckle feeding device is arranged at the tail end of the feeding rail and is mutually matched, and the auxiliary feeding rail is arranged between the feeding rail and the buckle feeding device and is fixedly connected with the material distributing mechanism; the clamping device comprises a clamping device feeding device, a clamping device detecting device and a clamping device detecting device, wherein the clamping device detecting device is used for detecting whether a clamping device exists on the clamping device feeding device or not, and is connected with a mounting seat on a material distributing mounting column through a mounting frame; the anti-falling mechanism is arranged on the mounting plate and on one side of the buckle placing frame.

The feeding device comprises a receiving mechanism, a fixed platform, a turnover fixing seat, a turnover cylinder and a horizontal rotary cylinder, wherein the receiving mechanism is arranged at a discharge hole of a feeding track and matched with the discharge hole, the fixed platform is connected with a rotary table of the horizontal rotary cylinder, one end of the turnover fixing seat is arranged at the turnover fixing seat, the turnover seat is arranged on the turnover fixing seat, the turnover cylinder is fixed on the turnover fixing seat, a turnover driving shaft is arranged at the output end of the turnover driving shaft, the turnover driving shaft penetrates through the turnover fixing seat and the turnover seat simultaneously, and the lower part of the horizontal rotary cylinder is connected with a support column on the workbench through a cylinder mounting seat. Preferably, the distributing mechanism comprises a distributing mounting column, a distributing cylinder and a distributing shifting block, wherein the distributing mounting column is connected with the workbench through a mounting seat, the distributing cylinder is connected with the distributing mounting column through a cylinder fixing block, and the distributing shifting block is arranged at the output end of the distributing cylinder. The clamping buckle feeding device comprises an adjusting type supporting frame, a servo sliding table, a clamping buckle placing rack and a servo motor, wherein the lower portion of the adjusting type supporting frame is fixedly connected with a workbench, the servo sliding table is arranged at the top of the adjusting type supporting frame, the servo motor is connected with the servo sliding table, a mounting plate is arranged at the lower portion of the clamping buckle placing rack, a group of sliding blocks are arranged below the mounting plate, and the sliding blocks are in sliding connection with the servo sliding table; the buckle rack is L-shaped, a group of placing grooves for placing plastic buckles are formed in the buckle rack, and a baffle frame is arranged on the outer side of the placing grooves. Further, the welding gun replacing tool comprises a tool mounting frame, a group of first welding gun replacing tools and a group of welding guns, wherein the tool mounting frame is arranged on one side of a frame of a welding station, a group of mounting grooves for mounting the first welding gun replacing tools are formed in the tool mounting frame, the first welding gun replacing tools are arranged at the mounting grooves, the welding guns are arranged on the first welding gun replacing tools, and the welding guns are matched with the mechanical arms; the fixture mounting rack is provided with a group of heightening blocks and splicing fixing blocks, the heightening blocks are oppositely arranged on two sides of the mounting groove, and the splicing fixing blocks are arranged on the outer side of the mounting groove; the first welding gun replacing tool comprises a mounting seat, an avoidance driving mechanism, a welding gun placement component and a welding gun control device, wherein the mounting seat is arranged on a heightening block, an inserting groove is formed in the lower portion of the mounting seat, an inserting fixing block is connected with the inserting groove in an inserting mode, the avoidance driving mechanism is arranged on the mounting seat, the welding gun placement component is arranged below the mounting seat and connected with the avoidance driving mechanism, the welding gun is inserted in the welding gun placement component, the welding gun control device is arranged on the other side of the mounting seat relative to the avoidance driving mechanism, and the welding gun control device is connected with a control device of the mechanical arm.

Further, the buckle assembling device comprises an assembling mechanical arm and a buckle assembling mechanism, the buckle assembling mechanism is arranged on the assembling mechanical arm, the buckle assembling mechanism comprises a first mounting plate, a group of first grabbing mounting mechanisms for grabbing metal buckles, a group of second grabbing mounting mechanisms for grabbing plastic buckles and a group of third grabbing mounting mechanisms, the first grabbing mounting mechanisms and the second grabbing mounting mechanisms are arranged on the first mounting plate in an up-down reverse mode, and the third grabbing mounting mechanisms are arranged on the lower portion of one side of the first mounting plate relatively. Further preferably, the first grabbing and installing mechanism comprises a first grabbing and driving cylinder, the first grabbing and driving cylinder is fixedly connected with the first installing plate through a cylinder fixing seat, at least one first grabbing clamping jaw is arranged at the end part of a piston rod of the first grabbing and driving cylinder, a first detecting device for detecting whether a metal clamping jaw exists on the first grabbing and driving jaw is arranged at the outer side of the piston rod end part, the second grabbing and installing mechanism comprises a second grabbing and driving cylinder, the second grabbing and driving cylinder is fixed below one side of the first installing plate through a cylinder fixing seat, an adsorbing mechanism is arranged at the output end of the second grabbing and driving cylinder, an adsorbing nozzle is arranged at the end part of the adsorbing mechanism, the adsorbing nozzle is matched with the plastic clamping jaw, a second detecting device for detecting whether the plastic clamping jaw exists or not is arranged on the adsorbing mechanism, the third grabbing and installing mechanism comprises a third grabbing and driving cylinder, a group of third grabbing and driving clamping jaw is arranged at the output end of the third grabbing and driving cylinder, the third grabbing and driving cylinder is fixedly connected with the lower part of the first installing plate through a fixed block, and the third grabbing and driving cylinder is provided with a third detecting device for detecting whether the installation of a third clamping jaw is arranged on the installing frame; the first detection device, the second detection device and the third detection device are all connected with the control device.

The welding and blanking device comprises a blanking frame, a lifting frame, a conveying mechanism, a pressing mechanism, a lifting driving mechanism and a group of welding robots, wherein a group of lifting guide rails are arranged on the inner side of the blanking frame, two sides of the lifting frame are in lifting connection with the lifting guide rails through guide wheels, the conveying mechanism is arranged above the lifting frame, the pressing mechanism is arranged at two ends of the blanking frame, the lifting driving mechanism is arranged on the blanking frame, and the welding robots are arranged at two sides of the blanking frame. The pressing mechanism comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanism and the second pressing mechanism are oppositely arranged at two ends of the blanking frame, the first pressing mechanism and the second pressing mechanism comprise a group of fixed seats, a first fixed shaft, a group of pressing components and a group of first pressing driving cylinders, the second pressing mechanism is also provided with a second fixed shaft for installing the first pressing driving cylinders, the fixed seats are arranged on fixed end beams at two ends of the blanking frame, two ends of the first fixed shaft are arranged in through holes of the fixed seats, the two ends of the first fixed shaft are connected with bearing seats at two ends of the fixed end beams in a shaft mode, the pressing components are arranged on the first fixed shaft, the pressing components are connected with piston rods of the corresponding first pressing driving cylinders, the two groups of first pressing driving cylinders are arranged at two ends of the blanking frame, the lower parts of the first pressing driving cylinders in the first pressing mechanism are connected with mounting seats on the fixed end beams at the lower parts of the blanking frame, and the lower parts of the first pressing driving cylinders in the second pressing mechanism are connected with the second fixed shafts at two ends of the upper fixed shafts; the driving mechanism is characterized by further comprising a pushing driving mechanism, the pushing driving mechanism comprises a second pushing driving cylinder and a linkage rod, the second pushing driving cylinder is fixedly connected with the frame through a group of cylinder mounting frames, one end of the linkage rod is connected with the output end of the second pushing driving cylinder, and the shaft of the other end of the linkage rod is sleeved on a second fixing shaft.

Further preferably, the lifting driving mechanism comprises a driving shaft, a driven shaft, two groups of upper transmission gears and a driving motor, wherein the driving shaft and the driven shaft are oppositely arranged at two ends of the lower mounting frame and are connected with bearing seats on the lower mounting frame, and the upper transmission gears are connected with rotating shafts on the upper mounting frame through bearings; the driving motor is fixedly connected with the lower layer installation frame through a motor installation seat, the output end of the driving motor is provided with a driving sprocket, the driving sprocket is connected with the first driving sprocket through a chain, the driving sprocket on the driving shaft is connected with the driving sprocket on the driven shaft through a chain, and the lifting sprockets on the driving shaft and the driven shaft are connected with corresponding upper driving gears on the upper layer installation frame through lifting chains; the two ends of the lifting frame are connected with the lifting chain through chain buckles.

The technical scheme can be seen that the invention has the following beneficial effects:

1. according to the ultrasonic welding production line of the automobile threshold tool, disclosed by the invention, the automatic assembly line type production is realized through the feeding station, the buckle mounting station, the welding station and the welding blanking station, so that the processing efficiency of the threshold plate is effectively improved, the workload of workers is reduced, the labor cost of enterprises and the investment of equipment cost are reduced, and the production requirement is better met.

2. The feeding device is reasonable in structural design, and the product conveying tool is arranged above the transmission mechanism, so that the feeding function of the feeding device on products is realized, the workload of workers is effectively reduced, the feeding efficiency is improved, and meanwhile, the first positioning calibration mechanism and the second positioning calibration mechanism are also arranged, so that the feeding device can calibrate and position the product conveying tool, the position accuracy of the products to be processed is guaranteed, and the processing accuracy of subsequent working procedures is improved.

3. The metal buckle feeding device is reasonable in structural design, the metal buckles are fed into the vibration disc through the feeding box, then the metal buckles are conveyed to the feeding rail one by one after being tidied through the vibration disc, the metal buckles are conveyed to the feeding device through the feeding rail, so that the metal buckles are conveniently grabbed by the mechanical arm, the feeding of the metal buckles is automated, the feeding efficiency of the metal buckles is improved, and the problem of manual feeding of the buckles is well solved; the upper part of the bearing platform is provided with a guide frame, and the inner side of one end of the guide frame, which is close to the feeding groove, is obliquely arranged. The guiding function is achieved, so that the metal buckle can smoothly enter the bearing platform; after receiving mechanism in the buckle loading attachment receives the product, upset cylinder will drive upset seat upset, then horizontal rotation cylinder drive fixed platform drive upset fixing base rotate to the snatch direction of arm, let its automatic feed, snatch mechanism on the arm of being convenient for snatch.

4. The plastic buckle feeding device is simple in structure and reasonable in design, after the plastic buckle vibrating disc is used for arranging the buckles and the feeding rail is used for conveying the buckles to the auxiliary feeding rail, the auxiliary feeding rail is used for conveying the plastic buckles to the corresponding position on the buckle feeding device, so that the plastic buckles are automatically fed, the feeding efficiency is improved, the subsequent installation efficiency is prevented from being influenced due to untimely feeding, the problem of manual feeding is well solved, and meanwhile, the feeding mechanism is further arranged, and congestion or accumulation caused when the buckles move from the rail to the feeding device can be avoided.

5. According to the anti-falling mechanism, the anti-falling driving cylinder drives the anti-falling baffle frame to be clamped on one side of the buckle placing frame, so that the anti-falling baffle frame can effectively prevent the buckle from falling from one side of the buckle placing frame far away from the auxiliary feeding track during installation, and the feeding stability of the buckle is improved.

6. According to the invention, the mechanical arm is provided with the buckle assembling device, and the first grabbing and installing mechanism, the second grabbing and installing mechanism and the third grabbing and installing mechanism in the buckle assembling device grab corresponding buckles from the corresponding feeding mechanisms and are installed at the corresponding positions of the door sill, so that the grabbing and installing of the buckles are automated, and the installing efficiency of the door sill buckle is greatly improved

6. According to the welding gun replacing tool, the tool mounting frame is arranged on one side of the frame, the first welding gun replacing tool is arranged on the tool mounting frame, the welding gun is arranged on the first welding gun replacing tool, when the mechanical arm needs to replace the welding gun, the corresponding first welding gun replacing tool is directly taken away from the tool mounting frame, so that a welding robot can replace different welding guns according to different welding product models and welding points, the problem that the current welding gun is complicated to replace is solved, and the welding gun replacing time is shortened.

7. According to the welding gun and the welding gun control device, the welding gun and the welding gun control device are arranged on the welding gun replacing tool, the welding gun and the welding gun control device are integrated, when the welding gun needs to be replaced by the mechanical arm, the end part of the welding gun is inserted into the mounting seat of the mechanical arm, and then the control device is connected with the control device of the mechanical arm, so that convenience is brought to the replacement of the welding gun, the complexity of the replacement of the welding gun is reduced, and the setting of the avoidance driving mechanism enables the welding gun replacing tool to adjust the position of the welding gun placing assembly according to the requirement when in work, so that the welding gun placing assembly is reasonably avoided.

8. According to the welding and blanking device, after manual blanking is completed in product processing, the lifting frame is lowered through the pressing mechanism and the lifting driving mechanism to move downwards, the conveying mechanism and the product conveying tool which is positioned on the conveying mechanism and carries products are driven by the lifting frame to move downwards together, after the product conveying tool moves in place, the product conveying tool is driven by the conveying mechanism to move to the next station, and after the product conveying tool is moved away, the lifting driving mechanism suspends the lifting frame to the initial position above, so that the station can meet the requirements of normal welding and blanking, meanwhile, the product conveying tool can be recycled, the manual conveying time is shortened, the conveying efficiency is improved, and the production efficiency of products is further improved.

9. The first pressing mechanism and the second pressing mechanism are arranged, so that the lifting frame can be well lowered, and meanwhile, the lowering stability of the lifting frame can be ensured.

Drawings

Fig. 1 is a schematic structural view of an ultrasonic welding production line for an automobile threshold tool according to the invention;

FIG. 2 is a schematic structural view of a feeding device in the present invention;

FIG. 3 is a schematic structural view of a product transportation tool according to the present invention;

FIG. 4 is a schematic view of the installation of the spacing cylinder of the present invention;

FIG. 5 is a schematic view of a feeding device for metal buckle according to the present invention;

FIG. 6 is a schematic diagram of the structure of the vibrator, the feed rail and the loading device of the present invention;

FIG. 7 is a schematic view of a plastic buckle feeding device according to the present invention;

FIG. 8 is a schematic view of a buckle feeding device according to the present invention;

FIG. 9 is a schematic structural view of a welding gun replacement tool according to the present invention;

FIG. 10 is a top view of a gun replacement tool according to the present invention;

FIG. 11 is a schematic view of a buckle assembly device according to the present invention;

FIG. 12 is a schematic view of a part of the third grabbing and mounting mechanism in the present invention;

FIG. 13 is a schematic structural view of a welding and blanking device in the present invention;

FIG. 14 is a schematic diagram showing the connection between the pressing driving mechanism and the second pressing mechanism according to the present invention;

FIG. 15 is a schematic view showing the installation of a first stationary shaft in the hold-down mechanism of the present invention;

FIG. 16 is a schematic view showing the connection of the second stationary shaft to the first push-down driving cylinder according to the present invention;

FIG. 17 is a schematic view of a part of the lifting drive mechanism in the welding and blanking device of the present invention;

FIG. 18 is a block diagram of a first positioning calibration mechanism and a third positioning calibration mechanism according to the present invention;

FIG. 19 is a block diagram of a second positioning calibration mechanism and a fourth positioning calibration mechanism according to the present invention;

FIG. 20 is a schematic view of a protective cover according to the present invention;

FIG. 21 is a schematic view of a transmission mechanism according to the present invention;

fig. 22 is a schematic structural view of the lift driving mechanism and the first lift driving mechanism in the present invention.

Detailed Description

The invention is further elucidated below in connection with the drawings and the specific embodiments.

As shown in fig. 1, an ultrasonic welding production line for an automobile threshold tool, comprising: the welding machine comprises a feeding station, a buckle installation station, a group of welding stations and a welding blanking station, wherein the feeding station, the buckle installation station, the group of welding stations and the welding blanking station are sequentially arranged from front to back, the feeding station is provided with a first feeding device 1, the buckle installation station comprises a metal buckle feeding device 2, a plastic buckle feeding device 3 and a group of buckle assembling devices 5, the metal buckle feeding device 2 and the plastic buckle feeding device 3 are arranged on two sides of a buckle installation welding frame, the frame extends to the welding station, the buckle assembling devices 5 are arranged between two adjacent metal buckle feeding devices 2 and the plastic buckle feeding device 3, the welding station comprises a group of welding gun replacement tools 4, the welding blanking station comprises a welding device 6, and the welding gun replacement tools 4 are arranged on two sides of the buckle installation welding frame of the welding station.

As shown in fig. 2, the first feeding device 1 includes a feeding frame 11, a transmission mechanism 12, a product transporting tool 13, a set of first positioning calibration mechanisms 14 and second positioning calibration mechanisms 15, the transmission mechanism 12 is disposed on the inner side of the feeding frame 11, the product transporting tool 13 is disposed on the transmission mechanism 12, positioning calibration blocks 1301 and positioning calibration boxes 1302 are disposed at two ends of two sides of the product transporting tool 13, and the first positioning calibration mechanisms 14 and the second positioning calibration mechanisms 15 are fixed on the feeding frame 11 and are disposed opposite to the positioning calibration blocks 1301 and the positioning calibration boxes 1302 respectively. The driven mechanism 122 comprises a first fixed seat 1221 and a fourth driven sprocket 1222, the first fixed seat 1221 is fixedly connected with the feeding frame 11, a first balance fixed shaft 1223 is arranged in the first fixed seat 1221, the fourth driven sprocket 1222 is arranged at one side of the first fixed seat 1221, the fourth driven sprocket 1222 is connected with a first connecting shaft 1224, one end of the first connecting shaft 1224 extends into the first fixed seat 1221, the first balance fixed shaft 1223 passes through a through hole at the tail end of the first connecting shaft 1224 to fix the first balance fixed shaft 122, the third driven sprocket 1215 and the fourth driven sprocket 1222 are connected through a roller chain 123,

The feeding machine further comprises a protective cover 124, the protective cover 124 is fixed on the inner side of the feeding machine frame 11 as shown in fig. 20, the roller chain 123 penetrates through the track of the protective cover 124, an opening is formed in the protective cover 124, and the upper portion of the roller chain 123 is higher than the opening of the protective cover 124. As shown in fig. 3 and 4, the product transporting fixture 13 includes a transporting base plate 131, a set of fixture base plates 132, and fixture holders 133, wherein the fixture base plates 132 are disposed on two sides of the transporting base plate 131, the fixture holders 133 are disposed on the fixture base plates 132, and a set of reinforcing beams 1311 are disposed under the transporting base plate 131; a group of limiting cylinders 134 are arranged below the transport base plate 131, the upper parts of the limiting cylinders 134 are fixedly connected with the lower part of the transport base plate 131, and the output ends of the limiting cylinders are connected with sucking discs 135 on the transport base plate 131 through air supply pipelines; the below of transportation bottom plate is equipped with a set of spacing cylinder, and the setting of spacing cylinder can adsorb the frock seat, improves its transportation and later stage product processing's stability. The feeding machine further comprises a group of limiting columns 16, wherein the limiting columns 16 are arranged on the inner side of the end portion of the feeding machine frame 11 and are matched with the reinforcing beams 1311. The setting of spacing post can carry out spacingly to product transportation frock.

As shown in fig. 5, the metal buckle feeding device 2 comprises a feeding box 21, a vibration disc 22, a direct vibrator 23, a feeding track 24 and a buckle feeding device 25, wherein the feeding box 21 and the vibration disc 22 are both arranged on a workbench, the vibration disc 22 is arranged below a discharge hole of the feeding box 21, the direct vibrator 23 is arranged on one side of the vibration disc 22 and is connected with the workbench through a supporting seat, the feeding track 24 is arranged above the direct vibrator 23, one end of the feeding track 24 is connected with the discharge hole of the vibration disc 22, and the buckle feeding device 25 is connected with the workbench through a fixing seat and is arranged at the discharge hole of the feeding track 24; as shown in fig. 5 and 6, the clip feeding device 25 comprises a receiving mechanism 251, a fixed platform 252, a turnover fixing seat 253, a turnover seat 254, a turnover cylinder 255 and a horizontal rotary cylinder 256, wherein the receiving mechanism 251 is arranged at a discharge port of the feeding track 24 and is matched with the receiving mechanism, the fixed platform 252 is connected with a rotary table of the horizontal rotary cylinder 256, the turnover fixing seat 253 is arranged at one end, the turnover seat 254 is arranged on the turnover fixing seat 253, the turnover cylinder 255 is fixed on the turnover fixing seat 253, a turnover driving shaft 257 is arranged at the output end of the turnover cylinder 255, the turnover driving shaft 257 simultaneously penetrates through the turnover fixing seat 253 and the turnover seat 254, and the lower part of the horizontal rotary cylinder 256 is connected with a support column 258 on the workbench through a cylinder mounting seat;

The material receiving mechanism 251 comprises a supporting fixed frame 2511 and a material receiving platform 2512, wherein the lower part of the supporting fixed frame 2511 is fixedly connected with a cylinder mounting seat, the material receiving platform 2512 is arranged on one side of the upper part of the supporting fixed frame 2511, a material feeding groove 2513 is formed in the material receiving platform 2512, and the material feeding groove 2513 is matched with a material outlet of the material feeding track 24. In this embodiment, an opening is formed on one side of the turnover seat 254 located on the material receiving mechanism 251, a carrying platform is disposed at the opening, and a guiding frame 2541 is disposed above the carrying platform; the inner side of one end of the guide frame 2541, which is close to the feeding groove 2513, is obliquely arranged; the turnover seat 254 is also provided with an anti-falling baffle frame 2542, and the lower parts of two sides of the anti-falling baffle frame 2542 are connected with the turnover seat 254; the anti-falling baffle frame is arranged, so that the buckle can be prevented from falling off in the overturning process; the turnover fixing seat 253 is in a U shape, a first lug plate and a second lug plate are respectively arranged on two sides of the turnover fixing seat 253, bearings are arranged on the first lug plate and the second lug plate, a mounting hole on the turnover seat 254 is arranged in the same hole as the bearings, and the turnover driving shaft 257 sequentially penetrates through the bearings on the first lug plate, the turnover seat 254 and the bearings on the second lug plate; the turnover seat 254 is further provided with a sensing device 2543 for detecting a metal buckle.

As shown in fig. 7, the plastic buckle feeding device 3 includes a plastic buckle feeding box 31, a plastic buckle vibration disc 32, a plastic buckle vibrator 33, a material distributing mechanism 34, a buckle feeding device 35 and an auxiliary feeding rail 36, wherein the plastic buckle feeding box 31 and the plastic buckle vibration disc 32 are both arranged on a workbench, the plastic buckle vibration disc 32 is arranged below a discharge hole of the plastic buckle feeding box 31, the plastic buckle vibrator 33 is connected with the workbench through a supporting seat and is arranged on one side of the discharge hole of the plastic buckle vibration disc 32, a feeding rail on the plastic buckle vibrator 33 is connected with the discharge hole of the plastic buckle vibration disc 32, the material distributing mechanism 34 is arranged on the workbench and is arranged on one side of the feeding rail close to the buckle 35, the buckle feeding device 35 is arranged at the tail end of the feeding rail and is mutually matched with the buckle feeding device, and the auxiliary feeding rail 36 is arranged between the feeding rail and the buckle feeding device 35 and is fixedly connected with the material distributing mechanism 34; the device further comprises a buckle detection device 37 for detecting whether a buckle exists on the buckle feeding device 35, wherein the buckle detection device 37 is connected with a mounting seat on the material distributing mounting column 341 through a mounting frame 371; the anti-falling mechanism 38 is further included as shown in fig. 8, and the anti-falling mechanism 38 is disposed on the mounting plate 355 and on one side of the buckle holding frame 353.

As shown in fig. 7, the distributing mechanism 34 includes a distributing mounting column 341, a distributing cylinder 342 and a distributing shifting block 343, the distributing mounting column 341 is connected with the workbench through a mounting seat, the distributing cylinder 342 is connected with the distributing mounting column 341 through a cylinder fixing block, the distributing shifting block 343 is arranged at the output end of the distributing cylinder 342, the distributing shifting block 343 is L-shaped and comprises a distributing fixing plate 3431 and a shifting block 3432, the distributing fixing plate 3431 is fixedly connected with the distributing cylinder 342, the shifting block 3432 is arranged at one side of the distributing fixing plate 3431, the joint of the distributing fixing plate and the shifting block 3432 is arc-shaped, and the shifting block 3432 is matched with the auxiliary feeding track 36; the auxiliary feeding track 36 is U-shaped, is connected with the cylinder fixing block through a U-shaped mounting seat, and the auxiliary feeding track 36 is matched with the feeding track;

the anti-falling mechanism 38 comprises an anti-falling baffle rack 381 and an anti-falling driving cylinder 382, the anti-falling driving cylinder 382 is connected with the mounting plate 355 through a cylinder seat, and the anti-falling baffle rack 381 is arranged at the output end of the anti-falling driving cylinder 382; the anti-falling baffle rack 381 is in an inverted L shape, and is provided with a set of openings, and the anti-falling baffle rack 381 is matched with the buckle placing rack 353.

As shown in fig. 8, the buckle feeding device 35 comprises an adjustable support 351, a servo sliding table 352, a buckle placing rack 353 and a servo motor 354, wherein the lower part of the adjustable support 351 is fixedly connected with a workbench, the servo sliding table 352 is arranged at the top of the adjustable support 351, the servo motor 354 is connected with the servo sliding table 352, a mounting plate 355 is arranged at the lower part of the buckle placing rack 353, a group of sliding blocks are arranged below the mounting plate 355, and the sliding blocks are in sliding connection with the servo sliding table 352; the buckle placing rack 353 is L-shaped, a group of placing grooves 3531 for placing plastic buckles are formed in the buckle placing rack 353, and a baffle frame 3532 is arranged on the outer side of the placing grooves 3531; one end of the servo sliding table 352 is provided with a limiting plate 3521 for limiting the position of the mounting plate 355. The setting of regulation formula support frame lets it can be according to the actual need of production to buckle place the height of platform and adjust, simultaneously, buckle rack and servo slip table sliding connection let it carry out real-time adjustment to buckle rack position according to the placement of product on the buckle rack. As shown in fig. 9, the welding gun replacing tool 4 comprises a tool mounting frame 41, a group of first welding gun replacing tools 42 and a group of welding guns 43, wherein the tool mounting frame 41 is arranged on one side of a frame of a welding station, a group of mounting grooves 44 for mounting the welding gun replacing tools are formed in the tool mounting frame 41, the first welding gun replacing tools 42 are arranged at the mounting grooves 44, the welding guns 43 are arranged on the first welding gun replacing tools 42, and the welding guns 43 are matched with a mechanical arm 45; as shown in fig. 11, a set of elevating blocks 411 and inserting fixing blocks 412 are arranged on the tool mounting frame 41, the elevating blocks 411 are oppositely arranged at two sides of the mounting groove 44, and the inserting fixing blocks 412 are arranged at the outer side of the mounting groove 44;

The first welding gun replacing tool 42 comprises a mounting seat 421, an avoidance driving mechanism 422, a welding gun placing assembly 423 and a welding gun control device 424, the mounting seat 421 is arranged on the heightening block 411, a plugging groove is formed in the lower portion of the mounting seat 421, and the plugging fixing block 412 is in plug connection with the plugging groove, so that the welding gun replacing tool is convenient to install and fix. The avoidance driving mechanism 422 is arranged on the mounting seat 421, the welding gun placement assembly 423 is arranged below the mounting seat 421 and is connected with the avoidance driving mechanism 422, the welding gun 43 is inserted into the welding gun placement assembly 423, the welding gun control device 424 is arranged on the other side of the mounting seat 421 relative to the avoidance driving mechanism 422, and the welding gun control device 424 is connected with a control device of the mechanical arm 45; as shown in fig. 9 and 11, the avoidance driving mechanism 422 includes a cylinder mounting seat 4221, an avoidance driving cylinder 4222 and a guiding mechanism 4223, the cylinder mounting seat 4221 is fixed on the mounting seat 421, the avoidance driving cylinder 4222 is fixed on one side of the cylinder mounting seat 4221, the guiding mechanism 4223 is arranged on the cylinder mounting seat 4221 and opposite to the avoidance driving cylinder 4222 on two sides of the cylinder mounting seat 4221, and the welding gun placement assembly 423 is connected with the output end of the avoidance driving cylinder 4222 and the guiding mechanism 4223.

As shown in fig. 10, the welding gun placement assembly 423 includes a first welding gun placement base 4231 and a second welding gun placement base 4232, where the first welding gun placement base 4231 and the second welding gun placement base 4232 are oppositely disposed, and an extension plate 4233 is disposed on a side of the first welding gun placement base 4231 away from the second welding gun placement base 4232, and the extension plate 4233 is simultaneously connected with an output end of the avoidance driving cylinder 4222 and the guiding mechanism 4223; the first welding gun placement seat 4231 and the second welding gun placement seat 4232 are respectively provided with a welding gun placement groove, and a placement table 4234 is arranged in each welding gun placement groove.

As shown in fig. 11, a positioning column 4224 is provided on a side of the avoidance driving cylinder 4222 near the welding gun 43, and the positioning column 4224 is inserted into a positioning groove of the welding gun 43. The positioning column is arranged, so that a positioning effect can be achieved on the welding gun, and the phenomenon that the welding quality of the welding gun is influenced due to displacement of the welding gun during working is avoided.

As shown in fig. 12, the buckle assembling device 5 includes an assembling mechanical arm 51 and a buckle assembling mechanism 52, the buckle assembling mechanism 52 is disposed on the assembling mechanical arm 51, and the buckle assembling mechanism 52 includes a first mounting plate 53, a group of first grabbing mounting mechanisms 54 for grabbing metal buckles, a group of second grabbing mounting mechanisms 55 for grabbing plastic buckles, and a group of third grabbing mounting mechanisms 56, the first grabbing mounting mechanisms 54 and the second grabbing mounting mechanisms 55 are disposed on the first mounting plate 53 in an up-down reverse manner, the third grabbing mounting mechanisms 56 are disposed on a lower portion of one side of the first mounting plate 53 relatively, as shown in fig. 12, the first grabbing mounting mechanisms 54 include a first grabbing driving cylinder 541, the first grabbing driving cylinder 541 is fixedly connected with the first mounting plate 53 through a cylinder fixing seat, a piston rod end of the first grabbing driving cylinder 541 is provided with at least one first grabbing jaw 542, and a first detecting device 543 for detecting whether the metal buckles are present on the first grabbing jaws 542 is disposed on an outer side of the piston rod end of the first grabbing jaws 542;

The first grabbing clamping jaw 542 comprises a connecting handle 5421 and a grabbing portion 5422, one end of the connecting handle 5421 is connected with a piston rod of the first grabbing driving cylinder 541, and a first groove 5423 for placing a buckle is formed in the grabbing portion 5422; a first limiting plate 5424 is arranged on one side of the first groove 5423, a first limiting clamping plate 5425 is arranged on the other side of the first groove 5423, an open slot is formed in the first limiting clamping plate 5425, and the first groove 5423 and the open slot are matched with the metal buckle; the setting of first limiting plate and first spacing grip block on the first recess can be according to the structural feature of metal buckle, carries out spacingly to metal buckle, places its snatch and installation in-process and drops or skew. The second grabbing and mounting mechanism 55 includes a second grabbing and driving cylinder 551, the second grabbing and driving cylinder 551 is fixed below one side of the first mounting plate 53 through a cylinder fixing seat, an adsorption mechanism 552 is disposed at an output end of the second grabbing and driving cylinder 551, an adsorption nozzle 553 is disposed at an end of the adsorption mechanism 552, the adsorption nozzle 553 is matched with a plastic buckle, a second detection device 554 for detecting whether the plastic buckle exists is disposed on the adsorption mechanism 552, a third grabbing and mounting mechanism 56 includes a third grabbing and driving cylinder 561 as shown in fig. 13, a group of third grabbing and driving claws 562 are disposed at an output end of the third grabbing and driving cylinder 561, the third grabbing and driving cylinder 561 is fixedly connected with a lower portion of the first mounting plate 53 through a fixing block, a group of detection mounting seats 563 for mounting the third detection device are disposed on a mounting frame between the two third grabbing and driving cylinders 561, and a third detection device 564 for detecting whether a product exists on the third grabbing and driving claws 562 is disposed on the detection mounting seat; the first detection device 543, the second detection device 554 and the third detection device 564 are all connected with a control device.

The third grabbing clamping jaw 562 as shown in fig. 13 comprises a clamping jaw bottom plate 5621 and an upper clamping frame 5622, wherein the upper clamping frame 5622 is connected with the clamping jaw bottom plate 5621, and a second groove for placing a buckle is arranged between the upper clamping frame 5622 and the clamping jaw bottom plate 5621; the two ends of the upper clamping frame 5622 are located at the outer side of the second groove, a second limiting plate 5623 is arranged at the inner side of the second limiting plate 5623, a second limiting clamping plate 5624 is arranged at the inner side of the second limiting plate 5623, a clamping opening is formed in the second limiting clamping plate 5624, and the second groove and the clamping opening are matched with corresponding buckles. The stability that corresponds buckle snatchs, installs has been great improvement, still includes alarm device, alarm device locates on the arm, just alarm device is connected with controlling means. When the first grabbing and installing mechanism, the second grabbing and installing mechanism and the third grabbing and installing mechanism are used for taking materials on the corresponding feeding mechanisms, the detecting device can alarm and remind through the alarm device if detecting that no material exists on the feeding mechanisms.

In this embodiment, the welding and blanking device 6 includes a blanking frame 61, a lifting frame 62, a conveying mechanism 63, a pressing mechanism 64, a lifting driving mechanism 65 and a set of welding robots 66, the blanking frame 61 includes an upper layer installation frame and a lower layer installation frame, the upper layer installation frame and the lower layer installation frame are oppositely arranged up and down, and two ends of the upper layer installation frame and the lower layer installation frame are connected through vertical installation frames, as shown in fig. 14, a set of lifting guide rails 67 are arranged on the inner side of the blanking frame 61, two sides of the lifting frame 62 are connected with the lifting guide rails 67 in a lifting manner through guide wheels, the conveying mechanism 63 is arranged above the lifting frame 62, the pressing mechanism 64 is arranged at two ends of the blanking frame 61, the lifting driving mechanism 65 is arranged on the blanking frame 61, and the welding robots 66 are arranged on two sides of the blanking frame 61.

As shown in fig. 15 and 16, the pressing mechanism 64 includes a first pressing mechanism and a second pressing mechanism, where the first pressing mechanism and the second pressing mechanism are relatively disposed at two ends of the blanking frame 61, the first pressing mechanism and the second pressing mechanism each include a set of fixing bases 641, a first fixing shaft 642, a set of pressing assemblies 644 and a set of first pressing driving cylinders 645, the second pressing mechanism is further provided with a second fixing shaft 646 for mounting the first pressing driving cylinders 645, the fixing bases 641 are disposed on fixed end beams at two ends of the blanking frame 61, two ends of the first fixing shaft 642 are disposed in perforations of the fixing bases 641, and two ends of the first pressing assemblies 644 are connected with bearing blocks at two ends of the fixed end beams, the pressing assemblies 644 are disposed on the first fixing shafts 642, and the pressing assemblies 644 are connected with piston rods of the corresponding first pressing driving cylinders 645, the lower parts of the first pressing driving cylinders in the two sets of the first pressing mechanisms are disposed at two ends of the blanking frame 61, the fixing bases 646 are connected with the fixed end beams at the lower parts of the blanking frame 61, the fixing bases at the two ends of the first pressing assemblies are connected with the fixing bases 611, and the fixing bases at the two ends of the fixing bases at the lower ends of the fixing frames are connected with the fixing bases 646; the arrangement of the vertical reinforcing frame further improves the stability of the installation of the second fixing shaft and the upper layer installation frame and improves the structural strength of the second fixing shaft. The device further comprises a pushing driving mechanism 647, as shown in fig. 17, the pushing driving mechanism 647 comprises a second pushing driving cylinder 6471 and a linkage rod 6472, the second pushing driving cylinder 6471 is fixedly connected with the frame through a group of cylinder mounting frames, one end of the linkage rod 6472 is connected with the output end of the second pushing driving cylinder 6471, and the other end of the linkage rod 6472 is sleeved on the second fixing shaft 646.

The lifting driving mechanism 65 as shown in fig. 18 comprises a driving shaft 651, a driven shaft 652, two groups of upper transmission gears 653 and a driving motor 654, wherein the driving shaft 651 and the driven shaft 652 are oppositely arranged at two ends of the lower mounting frame and are connected with bearing seats on the lower mounting frame, and the upper transmission gears 653 are connected with rotating shafts on the upper mounting frame through bearings; the two ends of the driving shaft 651 and the driven shaft 652 are respectively provided with a driving sprocket 655 and a lifting sprocket 656, a first driving sprocket 657 is arranged on the outer side of the driving sprocket 655, which is close to one end of the driving shaft 651, which is positioned on the driving motor 654, the driving motor 654 is fixedly connected with the lower layer installation frame through a motor installation seat, the output end of the driving motor 654 is provided with a driving sprocket 6541, the driving sprocket 6541 is connected with the first driving sprocket 657 through a chain, the driving sprocket 655 on the driving shaft 651 is connected with the driving sprocket 655 on the driven shaft 652 through a chain, and the lifting sprocket 656 on the driving shaft 651 and the driven shaft 652 is connected with the corresponding upper driving gear 653 on the upper layer installation frame through a lifting chain; the two ends of the lifting frame 62 are connected with a lifting chain through chain buckles 621.

As shown in fig. 14, the conveying mechanism 63 includes a conveying driving mechanism 631 and a conveying driven mechanism 632, the conveying driving mechanism 631 includes a driving shaft 6311 and a conveying driving motor 6312, the driving shaft 6311 is connected with side plates on two sides of the lifting frame 62 through a bearing seat, the conveying driving motor 6312 is fixedly connected with the lifting frame 62 through a motor mounting seat, an output end of the conveying driving motor 6312 is provided with a driving wheel 6313, one end of the driving shaft 6311, which is close to the conveying driving motor 6312, is provided with a driven wheel 6368, and a group of first driven chain wheels 6369 are arranged on the inner side of the bearing seat, and the driving wheel 6313 and the driven wheel 6368 are connected through a belt; the conveying driven mechanism 632 is arranged at the other end of the lifting frame 62 relative to the conveying driving mechanism 631, and the conveying driven mechanism 632 is connected with the first driven sprocket 6369 through a roller chain 633; as shown in fig. 15, the conveying driven mechanism 632 includes a fixing base 6321 and a second driven sprocket 6322, the fixing base 6321 is fixedly connected with side plates on two sides of the lifting frame 62, a balance fixing shaft 6323 is disposed in the fixing base 6321, the second driven sprocket 6322 is disposed on one side of the fixing base 6321, the second driven sprocket 6322 is connected with a connecting shaft 6324, one end of the connecting shaft 6324 extends into the fixing base 6321, the balance fixing shaft 6323 passes through a through hole at the end of the connecting shaft 6324 to fix the connecting shaft, and the first driven sprocket 6369 and the second driven sprocket 6322 are connected through a roller chain 123.

And a set of third and fourth positioning calibration mechanisms 68, 69, wherein the third and fourth positioning calibration mechanisms 68, 69 are disposed on the upper mounting frame as shown in fig. 14. The positioning calibration can be carried out on the product transportation tool, and the accuracy of product processing is improved.

As shown in fig. 18, the third positioning calibration mechanism 68 and the first positioning calibration mechanism 14 have the same structure, the first positioning calibration mechanism 14 and the third positioning calibration mechanism 68 each include a first fixing plate 141, a first positioning driving cylinder 142, a guide seat 143, and a positioning column 144, the first fixing plate 141 is fixed on the feeding frame 11, the first positioning driving cylinder 142 is disposed on the first fixing plate 141 and fixedly connected with the mounting plate, the guide seat 143 is disposed on the first fixing plate 141 and opposite to the first positioning driving cylinder 142, and the positioning column 144 is connected with the output end of the first positioning driving cylinder 142 and penetrates through the guide seat 143; as shown in fig. 19, the fourth positioning and calibrating mechanism 69 has the same structure as the second positioning and calibrating mechanism 15, and the fourth positioning and calibrating mechanism 69 and the second positioning and calibrating mechanism 15 each include a second fixing plate 151, a mounting base 152, a driving cylinder 153, a baffle 154, a positioning pin 155 and a buffer pin 156, a set of sliding rails are disposed on the second fixing plate 151, the mounting base 152 is slidably connected with the sliding rails, the driving cylinder 153 is disposed on the second fixing plate 151 and fixedly connected with the cylinder mounting plate, the baffle 154, the positioning pin 155 and the buffer pin 156 are disposed on the mounting base 152, and the baffle 154, the positioning pin 155 and the buffer pin 156 are matched with the baffle, the positioning hole and the buffer block in the positioning and calibrating box 1302.

Example 2

The structure of an ultrasonic welding production line for an automobile threshold tool in this embodiment is the same as that in embodiment 1.

In addition: the feeding frame 11 and the buckle installation welding frame all adopt double-deck setting, all include upper mounting bracket and lower floor's mounting bracket, upper mounting bracket and lower floor's mounting bracket are upper and lower relative setting, and the both ends are connected through vertical mounting bracket, just all be equipped with transport mechanism 12 on upper mounting bracket and the lower floor's mounting bracket in the buckle installation frame, let product transportation frock 13 can be at feeding station, buckle installation station, a set of welding station and welding unloading station circulation operation.

As shown in fig. 20, the transmission mechanism 12 includes a driving mechanism 121 and a driven mechanism 122, the driving mechanism 121 includes a first driving shaft 1211 and a first transmission driving motor 1212, the first driving shaft 1211 is connected with the feeding frame 11 through a bearing seat, the first transmission driving motor 1212 is fixedly connected with the feeding frame 11 through a motor mounting seat, the output end of the first transmission driving motor 1212 is provided with a first driving wheel 1213, one end of the first driving shaft 1211, which is close to the first transmission driving motor 1212, is provided with a first driven wheel 1214, and a third driven sprocket 1215 is positioned on the inner side of the bearing seat, and the first driving wheel 1213 and the first driven wheel 1214 are connected through a belt; the driven mechanism 122 is arranged at the other end of the feeding frame 11 relative to the driving mechanism 121, the driven mechanism 122 is connected with the third driven sprocket 1215 through a roller chain 123, and the product conveying tool 13 is arranged above the roller chain 123. As shown in fig. 21, the feeding frame 11 further includes a lifting frame 18, two ends of the lifting frame 18 are connected with the guide rail in a lifting manner through guide wheels, and the transmission mechanism 12 is disposed on the lifting frame 18.

As shown in fig. 21, the first lifting driving mechanism 19 includes a first driving shaft 191, a second driven shaft 192, two sets of first upper transmission gears 193 and a first driving motor 194, where the first driving shaft 191 and the second driven shaft 192 are relatively disposed at two ends of the lower mounting frame and connected to bearing seats on the lower mounting frame, and the first upper transmission gears 193 are connected to a rotating shaft on the upper frame through bearings; the two ends of the first main driving shaft 191 and the second driven shaft 192 are respectively provided with a driving sprocket 195 and a lifting sprocket 196, the first main driving shaft 191 is close to the first driving motor 194, one end of the first main driving shaft 191 is located on the outer side of the driving sprocket 195 and is provided with a first driving sprocket 197, the first driving motor 194 is fixedly connected with the lower layer installation frame through a motor installation seat, the output end of the first driving motor 194 is provided with a driving sprocket 1941, the driving sprocket 1941 is connected with the first driving sprocket 197 through a chain, the driving sprocket 195 on the first main driving shaft 191 is connected with the driving sprocket 195 on the second driven shaft 192 through a chain, and the lifting sprockets 196 on the first main driving shaft 191 and the second driven shaft 192 are connected with corresponding first upper driving gears 193 on the upper layer installation frame through lifting chains. In this embodiment, two ends of the lifting frame 18 are connected to a lifting chain through a chain buckle 181. A group of moving wheels 17 are arranged at the lower part of the feeding frame 11.

The working method of the ultrasonic welding production line for the automobile threshold tool in the embodiment is as follows:

1): manually mounting a rocker plate to be processed on a tool seat 133 of a product conveying tool 13, driving a positioning needle to move forwards through a first positioning driving cylinder 142 in a first positioning calibration mechanism 14 until the positioning needle is inserted into a corresponding guide seat 143, and simultaneously driving a mounting seat 152 to move forwards along a sliding rail by a driving cylinder 153 in a second positioning calibration mechanism 15, and driving a baffle 154, a positioning pin 155 and a buffer pin 156 to move forwards until the positioning pin 155 and the buffer pin 156 are respectively inserted into a positioning hole and a buffer block to calibrate the product conveying tool 13 when the mounting seat 152 moves; meanwhile, the limiting cylinder 134 adsorbs and positions the tool seat 133 on the product conveying tool 13;

2): the transmission mechanism 12 moves the product conveying tool 13 filled with the product to be processed to the next station, namely, the driving wheel 1213 on the transmission driving motor 1212 in the driving mechanism 121 drives the first driven wheel 1214 to rotate, the third driven sprocket 1215 rotates together with the first driven wheel 1214, the roller chain 123 is driven to move forward when the third driven sprocket 1215 rotates, so that the fourth driven sprocket 1222 is driven to rotate, and the product conveying tool 13 filled with the product to be processed is driven to move forward to the buckle installation station when the roller chain 123 moves;

3): when the product conveying tool 13 filled with the product to be processed is separated from the conveying mechanism 12, the lifting driving mechanism 19 drives the lifting frame 18 to drive the conveying mechanism 12 to move downwards along the track, namely, the driving sprocket 1941 at the output end of the first driving motor 194 in the lifting driving mechanism 19 drives the first driving sprocket 197 to rotate, the driving sprocket 195 on the first main driving shaft 191 is driven when the first driving sprocket 197 rotates, the driving sprocket 195 on the first main driving shaft 191 drives the driving sprocket 195 on the second driven shaft 192 to rotate along with the first driving sprocket 195, in the process, the lifting sprocket 196 drives the first upper driving gear 193 to rotate during rotation, and the chain buckle 621 on the lifting chain in the chain transmission process drives the lifting frame 62 to move downwards along the track to the lower layer of mounting frame; 4): in step 2), after the product moves to the buckle installation station, the control device commands the metal buckle feeding device 2, the plastic buckle feeding device 3 and the buckle assembly device 5 to start working, namely, a feeding box 21 in the metal buckle feeding device 2 sends the metal buckle to a vibration disc 22, the vibration disc 22 conveys the buckle to a bearing platform of a receiving mechanism 251 in a buckle feeding device 25 through a feeding track 24, then a turnover cylinder 255 drives a turnover seat 254 to rotate and turn around a turnover fixing seat 253 to a specified direction, then a horizontal rotating cylinder 256 drives a fixing platform 252 to horizontally rotate, and the fixing platform 252 drives the receiving mechanism 251 to rotate to a specified position; meanwhile, a plastic buckle feeding box 31 in the plastic buckle feeding device 3 sends plastic buckles into a plastic buckle vibration disc 32, the plastic buckles are tidied through the plastic buckle vibration disc 32 and are conveyed to an auxiliary feeding rail 36 through a feeding rail, a middle material distributing cylinder 342 in a material distributing mechanism 34 drives a material distributing shifting block 343 to distribute plastic buckles on the auxiliary feeding rail 36, which are close to one end of a buckle feeding device 35, in the process, a buckle detection device 37 detects whether buckles exist in buckle placing grooves on the buckle feeding device 35, which are positioned at a discharge hole of an auxiliary loosening rail, if buckles exist in placing grooves at positions opposite to the auxiliary feeding rail, a servo motor drives a buckle placing frame to move to one side along a servo sliding table until no buckles in the corresponding placing grooves are detected, and then the buckles are conveyed into corresponding empty placing grooves 3531; 5): the assembling mechanical arm 51 will drive the first, second and a set of third grabbing and mounting mechanisms 54, 55, 56 in the buckle assembling mechanism 52 to grab the corresponding buckles, respectively, and mount them to the designated positions of the rocker panel according to the mounting positions; 6): after the buckle is installed, the transmission mechanism 12 moves the product transportation tool 13 to a welding station, a welding robot 66 of the station grabs a proper welding gun placement assembly 423 from the welding gun replacement tool 4 according to a welding gun required by a welding part, after the welding gun is selected, a worker connects a welding gun control device 424 with a control device of the mechanical arm 45, and after the connection is completed, the corresponding position on a product is welded;

7): after welding, the conveying mechanism 12 of the welding station moves the product conveying tool 13 with the welded product to the welding and blanking device 6, after the conveying mechanism 63 on the blanking device is conveyed to the position, the product conveying tool is aligned and positioned through the first positioning and calibrating mechanism 14 and the second positioning and calibrating mechanism 15, and then the position to be welded is welded through the welding robot 66, after welding is finished, the welded product is manually taken down, then the corresponding pressing component 644 is driven by the first pressing driving cylinder 645 in the first pressing mechanism and the second pressing mechanism to press down the product conveying tool, meanwhile, the driving sprocket 6541 at the output end of the driving motor 654 in the lifting driving mechanism 65 drives the first driving sprocket 657 to rotate, the driving sprocket 655 on the main driving shaft 651 rotates along with the driving sprocket 655 on the main driving shaft 652, the upper driving sprocket is driven by the lifting sprocket 656 to rotate in the process, the lifting sprocket 621 moves the lifting chain 62 to the upper layer of the upper frame 12 along the upper layer of the upper frame 12, and the lifting chain is reversely moved to the upper layer of the upper frame 12 along the upper layer of the upper frame 12, and the lifting mechanism is reversely moved by the lifting mechanism 194 of the lifting mechanism is driven by the lifting chain mechanism 11; 8): repeating the step 1): and (3) realizing the cyclic production.

In step 5 of this embodiment, the specific method for the assembling mechanical arm 51 to drive the buckle assembling mechanism 52 to grasp and mount the buckle is as follows: if the metal buckle needs to be grabbed, a first grabbing driving cylinder 541 in the first grabbing mounting mechanism 54 drives a first grabbing clamping jaw 542 to grab the metal buckle, the metal buckle is clamped in a first groove 5423, a protruding part of the metal buckle is clamped in an opening groove on a first limiting clamping plate 5425, the metal buckle is then moved to a position where a vehicle threshold needs to be mounted to mount the metal buckle, if a first detection device 543 detects that a product does not exist on a feeding mechanism of the metal buckle in a material taking process, detection information is sent to a control device, and the control device alarms through an alarm device to remind a worker of feeding the material; in the same way, when the plastic buckle needs to be installed, the second grabbing driving cylinder 551 will drive the adsorption mechanism 552 to start working, the adsorption nozzle 553 will adsorb the plastic buckle from the feeding mechanism and then move to the installation position required by the vehicle door sill for installation, and when grabbing, if the second detection device 554 detects that no product exists on the feeding mechanism of the plastic buckle, the detection information will be sent to the control device, and the control device will alert and remind the staff to feed materials through the alarm device; if a third type of buckle needs to be installed, the assembly mechanical arm 51 drives the buckle assembly mechanism 52 to move to the feeding mechanism of the corresponding buckle, the third grabbing driving cylinder 561 drives the third grabbing clamping jaw 562 to grab the corresponding buckle, the buckle is clamped in the second groove, then the assembly mechanical arm 51 drives the third grabbing clamping jaw 562 to move to the position where the car threshold needs to be installed, the buckle is installed, when grabbing, if the third detection device 564 detects that no product exists on the feeding mechanism of the buckle, detection information is sent to the control device, and the control device alarms through the alarm device to remind workers of feeding.

The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.

Claims

1. An automobile threshold frock ultrasonic welding production line, its characterized in that: the welding machine comprises a feeding station, a buckle installation station, a group of welding stations and a welding blanking station, wherein the feeding station, the buckle installation station, the welding stations and the welding blanking station are sequentially arranged from front to back, the feeding station is provided with a first feeding device (1), the buckle installation station comprises a metal buckle feeding device (2), a plastic buckle feeding device (3) and a group of buckle assembling devices (5), the metal buckle feeding device (2) and the plastic buckle feeding device (3) are arranged on two sides of a buckle installation frame, the buckle installation frame extends to the welding station, the buckle assembling devices (5) are arranged between two adjacent metal buckle feeding devices (2) and the plastic buckle feeding device (3), the welding station comprises a group of welding gun replacing tools (4), the welding blanking station comprises welding and blanking devices (6), and the welding gun replacing tools (4) are arranged on two sides of the buckle installation frame; the first feeding device (1) comprises a feeding frame (11), a transmission mechanism (12), a product conveying tool (13), a group of first positioning calibration mechanisms (14) and second positioning calibration mechanisms (15), wherein the transmission mechanism (12) is arranged on the inner side of the feeding frame (11), the product conveying tool (13) is arranged on the transmission mechanism (12), positioning calibration blocks (1301) and positioning calibration boxes (1302) are arranged at two ends of two sides of the product conveying tool (13), and the first positioning calibration mechanisms (14) and the second positioning calibration mechanisms (15) are fixed on the feeding frame (11) and are respectively arranged opposite to the positioning calibration blocks (1301) and the positioning calibration boxes (1302); welding, unloader (6) include unloading frame (61), crane (62), transport mechanism (63), push down mechanism (64), lift actuating mechanism (65) and a set of welding robot (66), the inboard of unloading frame (61) is equipped with a set of lift guide rail (67), the both sides of crane (62) are connected with lift guide rail (67) through the leading wheel, the top of crane (62) is located to transport mechanism (63), the both ends of unloading frame (61) are located to push down mechanism (64), on unloading frame (61) are located to lift actuating mechanism (65), welding robot (66) are located the both sides of unloading frame (61).

2. The ultrasonic welding production line for automobile threshold tooling according to claim 1, wherein: the metal buckle feeding device (2) comprises a feeding box (21), a vibrating disc (22), a direct vibrator (23), a feeding track (24) and a feeding device (25), wherein the feeding box (21) and the vibrating disc (22) are both arranged on a workbench, the vibrating disc (22) is arranged below a discharge hole of the feeding box (21), the direct vibrator (23) is arranged on one side of the vibrating disc (22) and is connected with the workbench through a supporting seat, the feeding track (24) is arranged above the direct vibrator (23), one end of the feeding track (24) is connected with the discharge hole of the vibrating disc (22), and the feeding device (25) is connected with the workbench through a fixing seat and is arranged at the discharge hole of the feeding track (24);

the plastic buckle feeding device (3) comprises a plastic buckle feeding box (31), a plastic buckle vibration disc (32), a plastic buckle direct vibrator (33), a material distributing mechanism (34), a buckle feeding device (35) and an auxiliary feeding rail (36), wherein the plastic buckle feeding box (31) and the plastic buckle vibration disc (32) are arranged on a workbench, the plastic buckle vibration disc (32) is arranged below a discharge hole of the plastic buckle feeding box (31), the plastic buckle direct vibrator (33) is connected with the workbench through a supporting seat and is arranged on one side of the discharge hole of the plastic buckle vibration disc (32), a feeding rail on the plastic buckle direct vibrator (33) is connected with the discharge hole of the plastic buckle vibration disc (32), the material distributing mechanism (34) is arranged on the workbench and is arranged on one side, close to the buckle feeding device (35), the buckle feeding device (35) is arranged at the tail end of the feeding rail, the two are mutually matched, and the auxiliary feeding rail (36) is arranged between the feeding rail and the buckle feeding device (35) and is fixedly connected with the material distributing mechanism (34). The clamping device comprises a clamping device feeding device (35), and is characterized by further comprising a clamping detection device (37) for detecting whether a clamping buckle exists on the clamping device feeding device, wherein the clamping detection device (37) is connected with a mounting seat on a material distributing mounting column (341) through a mounting frame (371);

The anti-falling mechanism (38) is arranged on the mounting plate (355) and is arranged on one side of the buckle placing frame (353).

3. The ultrasonic welding production line for automobile threshold tooling according to claim 2, wherein: the feeding device comprises a receiving mechanism (251), a fixed platform (252), a turnover fixing seat (253), a turnover seat (254), a turnover cylinder (255) and a horizontal rotary cylinder (256), wherein the receiving mechanism (251) is arranged at a discharge hole of a feeding track (24) and matched with the discharge hole, the fixed platform (252) is connected with a rotary table of the horizontal rotary cylinder (256), the turnover fixing seat (253) is arranged at one end, the turnover seat (254) is arranged on the turnover fixing seat (253), the turnover cylinder (255) is fixed on the turnover fixing seat (253), a turnover driving shaft (257) is arranged at the output end of the turnover driving shaft, the turnover driving shaft (257) simultaneously penetrates through the turnover fixing seat (253) and the turnover seat (254), and the lower part of the horizontal rotary cylinder (256) is connected with a support column (258) on the workbench through a cylinder mounting seat.

4. The ultrasonic welding production line for automobile threshold tooling according to claim 3, wherein: the distributing mechanism (34) comprises a distributing mounting column (341), a distributing air cylinder (342) and a distributing shifting block (343), wherein the distributing mounting column (341) is connected with the workbench through a mounting seat, the distributing air cylinder (342) is connected with the distributing mounting column (341) through an air cylinder fixing block, and the distributing shifting block (343) is arranged at the output end of the distributing air cylinder (342);

The buckle feeding device (35) comprises an adjusting type supporting frame (351), a servo sliding table (352), a buckle placing rack (353) and a servo motor (354), wherein the lower part of the adjusting type supporting frame (351) is fixedly connected with a workbench, the servo sliding table (352) is arranged at the top of the adjusting type supporting frame (351), the servo motor (354) is connected with the servo sliding table (352), a mounting plate (355) is arranged at the lower part of the buckle placing rack (353), a group of sliding blocks are arranged below the mounting plate (355), and the sliding blocks are in sliding connection with the servo sliding table (352); the buckle rack (353) is L-shaped, a group of placing grooves (3531) for placing plastic buckles are formed in the buckle rack, and a baffle frame (3532) is arranged on the outer side of the placing grooves (3531) of the buckle rack (353).

5. The ultrasonic welding production line for automobile threshold tooling according to claim 3, wherein: the buckle assembling device (5) comprises an assembling mechanical arm (51) and a buckle assembling mechanism (52), the buckle assembling mechanism (52) is arranged on the assembling mechanical arm (51), the buckle assembling mechanism (52) comprises a first mounting plate (53), a group of first grabbing mounting mechanisms (54) for grabbing metal buckles, a group of second grabbing mounting mechanisms (55) for grabbing plastic buckles and a group of third grabbing mounting mechanisms (56), the first grabbing mounting mechanisms (54) and the second grabbing mounting mechanisms (55) are arranged on the first mounting plate (53) in an up-down reverse mode, and the third grabbing mounting mechanisms (56) are arranged on the lower portion of one side of the first mounting plate (53) in a relative mode.

6. The ultrasonic welding production line for automobile threshold tooling according to claim 5, wherein: the first installation mechanism (54) that snatchs includes first drive jar (541) that snatchs, first drive jar (541) pass through cylinder fixing base and first mounting panel (53) fixed connection, the piston rod tip of first drive jar (541) that snatchs is equipped with at least one first clamping jaw (542) that snatchs, just the outside that the piston rod tip is located first clamping jaw (542) is equipped with first detection device (543) that is used for detecting whether there is the metal buckle on first clamping jaw (542), second installation mechanism (55) that snatchs includes second drive jar (551), second drive jar (551) are fixed in the below of first mounting panel (53) one side through the cylinder fixing base, the output of second drive jar (551) is equipped with adsorption mechanism (552), the tip of adsorption mechanism (552) is equipped with adsorption nozzle (553), adsorption nozzle (553) cooperate with the plastics buckle, just be equipped with on adsorption mechanism (552) buckle and be used for detecting whether there is second detection device (554) of plastics, the second is fixed in cylinder fixing base one side

The third grabbing and mounting mechanism (56) comprises a third grabbing and driving cylinder (561), a group of third grabbing clamping jaws (562) are arranged at the output end of the third grabbing and driving cylinder (561), the third grabbing and driving cylinder (561) is fixedly connected with the lower part of the first mounting plate (53) through a fixed block, a group of detection mounting seats (563) used for mounting third detection devices are arranged on a mounting frame between the two third grabbing and driving cylinders (561), and third detection devices (564) used for detecting whether products exist on the third grabbing clamping jaws (562) are arranged on the detection mounting seats (563);

the first detection device (543), the second detection device (554) and the third detection device (564) are all connected with the control device.

7. The ultrasonic welding production line for automobile threshold tooling according to claim 1, wherein: the welding gun replacing tool (4) comprises a tool mounting frame (41), a group of first welding gun replacing tools (42) and a group of welding guns (43), wherein the tool mounting frame (41) is arranged on one side of a frame of a welding station, a group of mounting grooves (44) for installing the welding gun replacing tools are formed in the tool mounting frame (41), the first welding gun replacing tools (42) are arranged at the mounting grooves (44), the welding guns (43) are arranged on the first welding gun replacing tools (42), and the welding guns (43) are matched with the mechanical arms (45); a group of heightening blocks (411) and inserting fixing blocks (412) are arranged on the tool mounting frame (41), the heightening blocks (411) are oppositely arranged at two sides of the mounting groove (44), and the inserting fixing blocks (412) are arranged at the outer side of the mounting groove (44); the utility model provides a frock (42) is changed to first welder, includes mount pad (421), dodges actuating mechanism (422), welder place subassembly (423) and welder controlling means (424), mount pad (421) are located on backing up piece (411), just the lower part of mount pad (421) is equipped with the jack-in groove, plug-in fixed block (412) are plug-in connection with the jack-in groove, dodge actuating mechanism (422) and locate on mount pad (421), welder place the below that subassembly (423) located mount pad (421) to with dodge actuating mechanism (422) and be connected, welder (43) are inserted in welder place subassembly (423), welder controlling means (424) are located the opposite side of mount pad (421) for dodging actuating mechanism (422), just welder controlling means (424) are connected with the controlling means of arm (45).

8. The ultrasonic welding production line for automobile threshold tooling according to claim 1, wherein: the pressing mechanism (64) comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanism and the second pressing mechanism are oppositely arranged at two ends of the blanking frame (61), the first pressing mechanism and the second pressing mechanism comprise a group of fixed shafts (641), a first fixed shaft (642), a group of pressing components (644) and a group of first pressing driving cylinders (645), the second pressing mechanism is also provided with a second fixed shaft (646) for installing the first pressing driving cylinders (645), the fixed shafts (641) are arranged on fixed end beams at two ends of the blanking frame (61), two ends of the first fixed shaft (642) are arranged in perforations of the fixed shafts (641), two ends of the fixed shaft are axially connected with bearing seats at two ends of the fixed end beams, the pressing components (644) are arranged on the first fixed shaft (642), the pressing components (644) are connected with piston rods of the corresponding first pressing driving cylinders (645), the two groups of first pressing driving cylinders (645) are arranged at two fixed shafts (646) at two ends of the blanking frame (61), and the fixed shafts (646) of the pressing mechanism are connected with the first fixed shafts (645) at two ends of the pressing mechanism;

The device further comprises a pushing driving mechanism (647), wherein the pushing driving mechanism (647) comprises a second pushing driving cylinder (6471) and a linkage rod (6472), the second pushing driving cylinder (6471) is fixedly connected with the frame through a group of cylinder mounting frames, one end of the linkage rod (6472) is connected with the output end of the second pushing driving cylinder (6471), and the other end of the linkage rod is sleeved on a second fixed shaft (646);

the lifting driving mechanism (65) comprises a driving shaft (651), a driven shaft (652), two groups of upper transmission gears (653) and a driving motor (654), wherein the driving shaft (651) and the driven shaft (652) are oppositely arranged at two ends of the lower mounting frame and are connected with bearing seats on the lower mounting frame, and the upper transmission gears (653) are connected with rotating shafts on the upper mounting frame through bearings;

the driving mechanism comprises a driving shaft (651) and a driven shaft (652), wherein a driving sprocket (655) and a lifting sprocket (656) are arranged at two ends of the driving shaft (651) and the driven shaft (652), a first driving sprocket (657) is arranged at the outer side of the driving sprocket (655) close to one end of the driving shaft (654), the driving motor (654) is fixedly connected with a lower layer installation frame through a motor installation seat, a driving sprocket (6541) is arranged at the output end of the driving motor (654), the driving sprocket (6541) is connected with the first driving sprocket (657) through a chain, the driving sprocket (655) on the driving shaft (651) is connected with the driving sprocket (655) on the driven shaft (652) through a chain, and the lifting sprocket (656) on the driving shaft (651) and the driven shaft (652) is connected with a corresponding upper transmission gear (653) on the upper layer installation frame through a lifting chain; the two ends of the lifting frame (62) are connected with a lifting chain through chain buckles (621).