阅读说明：本技术 一种喷涂支架数字化制造装置及其工艺 (Digital manufacturing device and process for spraying bracket ) 是由 曹轶沫 李波 孙佳 耿琪峰 仲晓斌 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种喷涂支架数字化制造装置及其工艺,包括传送带,所述传送带的一侧设有切割座,所述切割座顶部两侧的中间设有移动机构,所述移动机构的一端设有切割头,所述传送带远离切割座的一侧设有数控弯折机,所述数控弯折机的一侧设有管料仓,所述管料仓的一侧设有放置槽,所述放置槽的一端设有驱动电机；本发明本发明通过铰接板、抓钩、输送带、转轴、转盘、挤压板和控制开关的配合下,在工作人员取出抓钩内的圆管进行加工后,一组抓钩能够自动移动到上一组抓钩的位置处,进而对圆管进行补充,使得工作人员无需来回的对圆管进行搬运工作,从而提高加工圆管的效率,减少工作人员的工作量。(The invention discloses a digital manufacturing device and a process for a spraying bracket, which comprises a conveyor belt, wherein one side of the conveyor belt is provided with a cutting seat, the middle of the two sides of the top of the cutting seat is provided with a moving mechanism, one end of the moving mechanism is provided with a cutting head, one side of the conveyor belt, which is far away from the cutting seat, is provided with a numerical control bending machine, one side of the numerical control bending machine is provided with a pipe bin, one side of the pipe bin is provided with a placing groove, and one end of the placing groove is provided with a driving motor; according to the invention, through the cooperation of the hinged plate, the grapple, the conveyer belt, the rotating shaft, the rotating disc, the extrusion plate and the control switch, after a worker takes out the round pipe in the grapple for processing, one group of grapple can automatically move to the position of the previous group of grapple to supplement the round pipe, so that the worker does not need to carry the round pipe back and forth, thereby improving the efficiency of processing the round pipe and reducing the workload of the worker.)

1. The utility model provides a digital manufacturing installation of spraying support, includes conveyer belt (1), its characterized in that: a cutting seat (11) is arranged on one side of the conveyor belt (1), a moving mechanism (13) is arranged in the middle of two sides of the top of the cutting seat (11), a cutting head (12) is arranged at one end of the moving mechanism (13), a numerical control bending machine (2) is arranged on one side, away from the cutting seat (11), of the conveyor belt (1), a pipe bin (3) is arranged on one side of the numerical control bending machine (2), a placing groove (4) is arranged on one side of the pipe bin (3), a driving motor (5) is arranged at one end of the placing groove (4), a conveying material component is arranged inside the pipe bin (3), a control component is arranged at the top of the pipe bin (3), a material distributing bin (10) is arranged at one end of the conveyor belt (1), a material distributing component is arranged inside the material distributing bin (10), a sheet metal part storage bin (9) is arranged on one side of the material distributing bin (10), and a bent pipe storage bin (6) is arranged on the other side of the material distributing bin (10), one end of branch feed bin (10) is equipped with workstation (7), the top of workstation (7) evenly is equipped with multiunit mounting bracket (8), the top of mounting bracket (8) one end is equipped with connecting block (18), the top of connecting block (18) one end is equipped with locking head (19).

2. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: defeated material subassembly comprises carousel (24), pivot (23), conveyer belt (22) and grapple (21), pivot (23) are located the top and the bottom of the inside one end of pipe feed bin (3), the output of driving motor (5) is connected with pivot (23), the outside of pivot (23) is equipped with carousel (24), and is two sets of be equipped with conveyer belt (22) between carousel (24), the outside of conveyer belt (22) evenly is equipped with multiunit grapple (21).

3. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: the control assembly comprises a hinged plate (20), an extrusion plate (25), a guide block (27) and a control switch (26), wherein the hinged plate (20) is located on one side of the top of the pipe bin (3), the hinged plate (20) is hinged with the pipe bin (3), the guide block (27) is arranged on one side of the bottom of the hinged plate (20), the extrusion plate (25) is arranged on the other side of the bottom of the hinged plate (20), and the control switch (26) is arranged at one end of one side of the top of the pipe bin (3).

4. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: divide the material subassembly to constitute by slide (14), guide holder (15), discharge gate (16) and slide bar (17), slide (14) are located one side at the inside top of branch feed bin (10), be equipped with multiunit slide bar (17) between one side at the inside both ends of branch feed bin (10) respectively, the inside bottom of branch feed bin (10) is equipped with guide holder (15), the bilateral symmetry of branch feed bin (10) is equipped with discharge gate (16).

5. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: the top of workstation (7) evenly is equipped with multiunit mounting hole A, the top of mounting bracket (8) is equipped with multiunit mounting hole B, and mounting bracket (8) are made by C type structure.

6. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: the bottom of driving motor (5) is equipped with the mounting panel, and driving motor (5) pass through fixing bolt and link to each other with the mounting panel.

7. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: the top of the interior of the material distribution bin (10) is provided with a guide opening, and the guide opening is made of a conical structure.

8. The digital manufacturing device of the spraying bracket according to claim 3, characterized in that: one side of the guide block (27) is made of an inclined surface, and the pressing plate (25) is made of an arc-shaped structure.

9. The digital manufacturing device of the spraying bracket according to claim 1, characterized in that: the bottom of pipe feed bin (3) one side is equipped with the opening, and the opening is linked together with standing groove (4).

10. A manufacturing process of a digital manufacturing device of a spray coating bracket, comprising the digital manufacturing device of the spray coating bracket as claimed in any one of claims 1 to 9, characterized in that the manufacturing process is as follows:

the method comprises the following steps: before the metal support is manufactured, firstly, the support is digitally modeled by combining software with 3D data of a product, CAE strength analysis and strength quantification analysis are carried out by combining ANSYS software with designed support data, and then simulation check is carried out by software from the aspects of spraying bearing capacity, spraying beat and the like, so that the development period of a project is shortened;

step two: designing a welding tool fixture for the metal support by combining the structure and the requirement of the support through software, setting the mounting frame (8) at a designed position for mounting, and fixing the mounting frame (8) at the top of the workbench (7) through bolts;

step three: when the pipe conveying device is used for machining, the cutting seat (11) is started through the control panel, then the plate is placed on the top of the cutting seat (11) for laser cutting, the plate is cut into a plurality of groups of plates with specified sizes, then the cutting seat (11) is placed on the top of the conveying belt (1) for conveying, then a plurality of groups of bent pipes are placed in the placing groove (4) for storage, the driving motor (5) is started at the same time, the driving motor (5) drives the turntable (24) to rotate, the conveying belt (22) drives the grab hook (21) to displace, the grab hook (21) in the displacement process, the pipe in the pipe bin (3) is grabbed to displace, after the pipe touches the hinged plate (20), the hinged plate (20) is driven to upwards overturn, the extrusion plate (25) is further driven to be far away from the control switch (26), the circuit of the driving motor (5) is disconnected, and the conveying work of the pipe is stopped, then taking out the pipe in the grapple (21), after the pipe is taken out, the hinged plate (20) is turned downwards under the action of gravity, so that the extrusion plate (25) is driven to press the control switch (26), the driving motor (5) drives the grapple (21) to carry out transportation work again, after the pipe is conveyed to a designated position, the circuit of the driving motor (5) is continuously disconnected, and then the pipe is placed at the top of the numerical control bending machine (2) to be bent;

step four: after the bent pipe and the sheet metal part are machined, the bent pipe and the sheet metal part are placed inside a conveying belt (1) for transportation, then the bent pipe and the sheet metal part fall into a material distribution bin (10), then the sheet metal part slides into a sheet metal part storage box (9) through a discharge hole (16), the bent pipe falls onto the top of a guide seat (15) through a gap between sliding rods (17), and finally slides into a bent pipe storage box (6), so that the classification of the sheet metal part and the bent pipe is realized;

step five: during assembly, the elbow clamp is fixed inside the locking head (19), and then the sheet metal part is placed at one end of the elbow to perform welding work.

Technical Field

The invention relates to the technical field of manufacturing of spraying supports, in particular to a digital manufacturing device and a digital manufacturing process for a spraying support.

Background

The digital manufacturing means that under the background of the fusion of the digital technology and the manufacturing technology, and under the support of the support technologies such as virtual reality, computer network, rapid prototyping, database, multimedia and the like, the resource information is rapidly collected according to the requirements of users, the product information, the process information and the resource information are analyzed, planned and recombined, the simulation and prototype manufacturing of the product design and the function are realized, the whole manufacturing process of the product which meets the performance required by the users is rapidly produced, and meanwhile, a digital manufacturing device is required to be utilized in the manufacturing process of the automobile support.

In the manufacturing process of the existing bracket, the connected bracket pipes need to be bent by a specified angle on a numerical control pipe bender for subsequent transfer and distribution work, and meanwhile, after one group of bracket pipes are transferred and distributed, the next group of bracket pipes need to be conveyed to the pipe bender, and workers go back and forth to move to transport pipes, so that the processing efficiency of the bracket is reduced, and the workload of the workers is increased;

the automobile spraying support needs to use bent pipes and sheet metal parts for assembly welding, but after the bent pipes and the sheet metal parts are machined, conveying belts need to be used for conveying the bent pipes and the sheet metal parts, the bent pipes and the sheet metal parts are convenient to classify, two groups of conveying belts need to be arranged for conveying the bent pipes and the sheet metal parts, and the two groups of conveying belts are arranged, so that the space occupied by equipment is increased, and a plurality of groups of equipment are not convenient to arrange;

meanwhile, the overall consistency of the spraying support can not be guaranteed in the assembling and welding process, so that the weight and the structural strength of the spraying support cannot find a proper balance point, and the overall industrial energy loss of a paint line is large or the support is deformed in the using process.

Disclosure of Invention

The invention aims to provide a digital manufacturing device and a process for a spraying bracket, which aim to solve the problems that the pipe cannot be automatically supplemented, the bent pipe and the sheet metal part cannot be sorted and the assembly is not stable enough in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a digital manufacturing device for a spraying bracket comprises a conveyor belt, wherein a cutting seat is arranged on one side of the conveyor belt, a moving mechanism is arranged in the middle of two sides of the top of the cutting seat, a cutting head is arranged at one end of the moving mechanism, a numerical control bending machine is arranged on one side, away from the cutting seat, of the conveyor belt, a pipe bin is arranged on one side of the numerical control bending machine, a placing groove is arranged on one side of the pipe bin, a driving motor is arranged at one end of the placing groove, a material conveying assembly is arranged inside the pipe bin, a control assembly is arranged at the top of the pipe bin, a material distributing bin is arranged at one end of the conveyor belt, a material distributing assembly is arranged inside the material distributing bin, a sheet metal part storage bin is arranged on one side of the material distributing bin, a bent pipe storage bin is arranged on the other side of the material distributing bin, a workbench is arranged at one end of the material distributing bin, and a plurality of groups of mounting racks are uniformly arranged at the top of the workbench, the top of mounting bracket one end is equipped with the connecting block, the top of connecting block one end is equipped with the locking head.

Preferably, defeated material subassembly comprises carousel, pivot, conveyer belt and grapple, the pivot is located the top and the bottom of the inside one end of pipe feed bin, driving motor's output is connected with the pivot, the outside of pivot is equipped with the carousel, and is two sets of be equipped with the conveyer belt between the carousel, the outside of conveyer belt evenly is equipped with the multiunit grapple.

Preferably, the control assembly comprises articulated slab, stripper plate, guide block and control switch, the articulated slab is located one side at pipe feed bin top, and articulated slab and pipe feed bin articulate each other, one side of articulated slab bottom is equipped with the guide block, the opposite side of articulated slab bottom is equipped with the stripper plate, the one end of pipe feed bin top one side is equipped with control switch.

Preferably, divide the material subassembly to constitute by slide, guide holder, discharge gate and slide bar, the slide is located one side at the inside top of branch feed bin, be equipped with the multiunit slide bar between one side at the inside both ends of branch feed bin respectively, the inside bottom of branch feed bin is equipped with the guide holder, the bilateral symmetry of branch feed bin is equipped with the discharge gate.

Preferably, the top of workstation evenly is equipped with multiunit mounting hole A, the top of mounting bracket is equipped with multiunit mounting hole B, and the mounting bracket is made by C type structure.

Preferably, the bottom of the driving motor is provided with an installation plate, and the driving motor is connected with the installation plate through a fixing bolt.

Preferably, the top inside the material distribution bin is provided with a guide port, and the guide port is made of a conical structure.

Preferably, one side of the guide block is made of an inclined surface, and the pressing plate is made of an arc-shaped structure.

Preferably, the bottom of pipe feed bin one side is equipped with the opening, and the opening is linked together with the standing groove.

The digital manufacturing device of the spraying bracket comprises the following process steps:

the method comprises the following steps: before the metal support is manufactured, firstly, the support is digitally modeled by combining software with 3D data of a product, CAE strength analysis and strength quantification analysis are carried out by combining ANSYS software with designed support data, and then simulation check is carried out by software from the aspects of spraying bearing capacity, spraying beat and the like, so that the development period of a project is shortened;

step two: designing a welding tool fixture for the metal support by combining the structure and the requirement of the support through software, setting the mounting frame at the designed position for mounting, and fixing the mounting frame at the top of the workbench through bolts;

step three: when the pipe is taken out, the hinged plate is overturned downwards under the action of gravity, so that the extrusion plate is driven to press the control switch, the driving motor drives the grapple to carry out transportation work again, after the pipe is conveyed to a designated position, the circuit of the driving motor is continuously disconnected, and then the pipe is placed at the top of the numerical control bending machine to be bent;

step four: after the bent pipe and the sheet metal part are machined, the bent pipe and the sheet metal part are placed in a conveying belt to be conveyed, then the bent pipe and the sheet metal part fall into a distribution bin, then the sheet metal part slides into a sheet metal part storage box through a discharge port, the bent pipe falls to the top of a guide seat through a gap between sliding rods and finally slides into the bent pipe storage box, and therefore the sheet metal part and the bent pipe are classified;

step five: during assembly, the bent pipe clamp is fixed inside the locking head, and then the sheet metal part is placed at one end of the bent pipe for welding.

Compared with the prior art, the invention provides a digital manufacturing device for a spraying bracket, which has the following beneficial effects:

1. according to the invention, through the cooperation of the hinged plate, the grapple, the conveyer belt, the rotating shaft, the rotating disc, the extrusion plate and the control switch, after a worker takes out the round pipe in the grapple for processing, one group of grapple can automatically move to the position of the previous group of grapple to supplement the round pipe, so that the worker does not need to carry the round pipe back and forth, thereby improving the efficiency of processing the round pipe and reducing the workload of the worker.

2. According to the sorting device, under the matching of the sliding plate, the sliding rod, the discharge port and the guide seat, after the sheet metal part and the bent pipe are conveyed into the distributing bin, the sheet metal part and the bent pipe can be automatically sorted without manual sorting, and only one group of conveying belts is needed to be arranged when the sheet metal part and the bent pipe are conveyed, so that the space occupied by equipment is reduced.

3. According to the invention, under the cooperation of the workbench, the mounting frame, the connecting block and the locking head, when the style of the spraying support is set, the position of the mounting frame can be automatically adjusted, and then the mounting frame is adjusted to the most appropriate position, so that the structural strength of the manufactured support meets the use working condition, the weight of the support is lightest, and the manufacturing cost of the product is directly or indirectly reduced.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a side view of the numerically controlled bender of the present invention;

FIG. 3 is a side view of the present invention at a cutting block;

FIG. 4 is a front cross-sectional view at a pipe magazine of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;

FIG. 6 is a front cross-sectional view of the invention at the feed bin;

FIG. 7 is a perspective view of the present invention at a hinge plate;

fig. 8 is a perspective view at the mounting bracket of the present invention.

In the figure: 1. a conveyor belt; 2. a numerical control bending machine; 3. a pipe storage bin; 4. a placement groove; 5. a drive motor; 6. a bent pipe storage box; 7. a work table; 8. a mounting frame; 9. a sheet metal part storage box; 10. a material distributing bin; 11. a cutting seat; 12. a cutting head; 13. a moving mechanism; 14. a slide plate; 15. a guide seat; 16. a discharge port; 17. a slide bar; 18. connecting blocks; 19. a locking head; 20. a hinge plate; 21. a grapple; 22. a conveyor belt; 23. a rotating shaft; 24. a turntable; 25. a pressing plate; 26. a control switch; 27. and a guide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a digital manufacturing device for a spraying bracket comprises a conveyor belt 1, wherein one side of the conveyor belt 1 is provided with a cutting seat 11 capable of cutting a plate material so as to cut the plate material into sheet metal parts with specified sizes, a moving mechanism 13 is arranged in the middle of two sides of the top of the cutting seat 11, one end of the moving mechanism 13 is provided with a cutting head 12, one side of the conveyor belt 1, which is far away from the cutting seat 11, is provided with a numerical control bending machine 2 for conveniently bending a pipe material to a proper angle, one side of the numerical control bending machine 2 is provided with a pipe bin 3, one side of the pipe bin 3 is provided with a placing groove 4, one end of the placing groove 4 is provided with a driving motor 5, the inside of the pipe bin 3 is provided with a material conveying component, the top of the pipe bin 3 is provided with a control component, one end of the conveyor belt 1 is provided with a material distributing bin 10, the inside of the material distributing bin 10 is provided with a material distributing component, one side of the material distributing bin 10 is provided with a sheet metal part storage bin 9, the opposite side of branch feed bin 10 is equipped with return bend bin 6, and the one end of branch feed bin 10 is equipped with workstation 7, and the top of workstation 7 evenly is equipped with multiunit mounting bracket 8, and the top of 8 one ends of mounting bracket is equipped with connecting block 18, and the top of 18 one ends of connecting block is equipped with locking head 19.

As a preferable embodiment of the present embodiment: defeated material subassembly is by carousel 24, pivot 23, conveyer belt 22 and grapple 21 are constituteed, pivot 23 is located the top and the bottom of the inside one end of pipe feed bin 3, driving motor 5's output is connected with pivot 23, the outside of pivot 23 is equipped with carousel 24, be equipped with conveyer belt 22 between two sets of carousel 24, conveyer belt 22's the outside evenly is equipped with multiunit grapple 21, can carry out the transportation work to the inside tubular product of pipe feed bin 3, thereby the manual work of replacing transports, improve the convenience of transportation.

As a preferable embodiment of the present embodiment: the control assembly comprises a hinged plate 20, a squeezing plate 25, a guide block 27 and a control switch 26, wherein the hinged plate 20 is positioned on one side of the top of the pipe bin 3, the hinged plate 20 is hinged with the pipe bin 3, the guide block 27 is arranged on one side of the bottom of the hinged plate 20, the squeezing plate 25 is arranged on the other side of the bottom of the hinged plate 20, the control switch 26 is arranged at one end of one side of the top of the pipe bin 3, when a pipe is conveyed to a specified position, the pipe is stopped to be conveyed, and the pipe is conveniently taken out subsequently to be processed.

As a preferable embodiment of the present embodiment: divide the material subassembly by slide 14, guide holder 15, discharge gate 16 and slide bar 17 constitute, slide 14 is located one side at the inside top of branch feed bin 10, be equipped with multiunit slide bar 17 between one side at the inside both ends of branch feed bin 10 respectively, the bottom of dividing the inside of feed bin 10 is equipped with guide holder 15, the bilateral symmetry of dividing feed bin 10 is equipped with discharge gate 16, after sheet metal component and return bend transported to the inside of dividing feed bin 10, can classify sheet metal component and return bend automatically, need not the manual work and sort.

As a preferable embodiment of the present embodiment: the top of workstation 7 evenly is equipped with multiunit mounting hole A, and the top of mounting bracket 8 is equipped with multiunit mounting hole B, and mounting bracket 8 is made by C type structure, after setting for the support, can carry out free adjustment to the position of mounting bracket 8.

As a preferable embodiment of the present embodiment: the bottom of driving motor 5 is equipped with the mounting panel, and driving motor 5 passes through fixing bolt and links to each other with the mounting panel, at the in-process that driving motor 5 started, prevents that it from taking place the rotation.

As a preferable embodiment of the present embodiment: the top inside the branch feed bin 10 is equipped with the spigot joint, and the spigot joint is made by the toper structure, conveniently leads to the inside panel and the return bend of getting into the branch feed bin 10, makes it can lie flat in the top of slide 14 and slide.

As a preferable embodiment of the present embodiment: one side of the guide block 27 is made of an inclined plane structure, and the extrusion plate 25 is made of an arc-shaped structure, so that the pipe can drive the grapple 21 to turn over when touching the grapple 21.

As a preferable embodiment of the present embodiment: the bottom of 3 one sides in pipe feed bin is equipped with the opening, and the opening is linked together with standing groove 4, makes things convenient for tubular product to carry work.

Example 1, as shown in fig. 1 to 3, during processing, a cutting seat 11 is started by a control panel, a plate is placed on the top of the cutting seat 11 for laser cutting, so that the plate is cut into a plurality of groups of plates with specified sizes, the cutting seat 11 is placed on the top of a conveyor belt 1 for transportation, a plurality of groups of bent pipes are placed in a placement groove 4 for storage, a driving motor 5 is started at the same time, the driving motor 5 drives a turntable 24 to rotate, so that a conveyor belt 22 drives a grapple 21 to displace, the grapple 21 grabs the pipe in a pipe storage bin 3 during displacement, when the pipe touches the hinged plate 20, the hinged plate 20 is driven to turn upwards, and then a squeezing plate 25 is driven to be away from a control switch 26, so that a circuit of the driving motor 5 is disconnected, the pipe is stopped to be conveyed, and the pipe in the grapple 21 is taken out, when the pipe is taken out, the hinged plate 20 is turned downwards under the action of gravity, so that the extrusion plate 25 is driven to press the control switch 26, the driving motor 5 drives the grapple 21 to carry out transportation work again, after the pipe is conveyed to a specified position, the circuit of the driving motor 5 is continuously disconnected, and then the pipe is placed at the top of the numerical control bending machine 2 to be bent.

Embodiment 2, as shown in fig. 1-4, after the processing of return bend and sheet metal component, place it in the inside transportation of conveyer belt 1, then return bend and sheet metal component fall into the inside to dividing feed bin 10, the sheet metal component passes through discharge gate 16 and slides to in the sheet metal component bin 9, then the return bend drops to the top of guide holder 15 through the gap between slide bar 17, final landing is to the inside of return bend bin 6 to the realization is to the classification of sheet metal component and return bend.

The working principle is as follows: before the metal support is manufactured, firstly, the support is digitally modeled by combining software with 3D data of a product, CAE strength analysis and strength quantification analysis are carried out by combining ANSYS software with designed support data, and then simulation check is carried out by software from the aspects of spraying bearing capacity, spraying beat and the like, so that the development period of a project is shortened;

designing a welding tool fixture for the metal support by combining the structure and the requirement of the support through software, setting the mounting frame 8 at the designed position for mounting, and fixing the mounting frame 8 at the top of the workbench 7 through bolts;

when processing, the cutting seat 11 is started through the control panel, then the plate is placed on the top of the cutting seat 11 for laser cutting, so that the plate is cut into a plurality of groups of plates with specified sizes, then the cutting seat 11 is placed on the top of the conveyor belt 1 for transportation, then a plurality of groups of bent pipes are placed in the placing groove 4 for storage, meanwhile, the driving motor 5 is started, the driving motor 5 drives the turntable 24 to rotate, so that the conveyor belt 22 drives the grapple 21 to displace, the grapple 21 grabs the pipe in the pipe bin 3 to displace in the displacement process, after the pipe touches the hinged plate 20, the hinged plate 20 is driven to turn upwards, and further the extrusion plate 25 is driven to be far away from the control switch 26, so that the circuit of the driving motor 5 is disconnected, the conveying work of the pipe is stopped, the pipe in the grapple 21 is taken out, after the pipe is taken out, the hinged plate 20 is under the action of gravity, turning downwards to drive the extrusion plate 25 to press the control switch 26, so that the driving motor 5 drives the grapple 21 to perform transportation work again, when the pipe is conveyed to a specified position, the circuit of the driving motor 5 is continuously disconnected, and then the pipe is placed at the top of the numerical control bending machine 2 to be bent;

after the bent pipe and the sheet metal part are machined, the bent pipe and the sheet metal part are placed in the conveying belt 1 for conveying, then the bent pipe and the sheet metal part fall into the material distribution bin 10, the sheet metal part slides into the sheet metal part storage bin 9 through the discharge hole 16, then the bent pipe falls onto the top of the guide seat 15 through a gap between the slide rods 17, and finally the bent pipe falls into the bent pipe storage bin 6, so that the classification of the sheet metal part and the bent pipe is realized;

during assembly, the elbow clamp is fixed inside the locking head 19, and then the sheet metal part is placed at one end of the elbow to perform welding work.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.