CN214558425U

CN214558425U - Semitrailer fence production line

Info

Publication number: CN214558425U
Application number: CN202120645897.9U
Authority: CN
Inventors: 罗公祥; 杨吉华; 伊淑友; 周惠君
Original assignee: Shandong Huayao Auto Parts Co ltd
Current assignee: Shandong Huayao Auto Parts Co ltd
Priority date: 2020-09-25
Filing date: 2021-03-30
Publication date: 2021-11-02
Anticipated expiration: 2031-03-30
Also published as: CN114248032A

Abstract

The invention relates to a semitrailer fence production line, which comprises transmission equipment, an assembly tool, a welding robot and a control system, wherein the transmission equipment is connected with the assembly tool; assembling parts such as fence height parts, vertical side parts, transverse side parts and the like by using the assembling tool; spot welding positioning is carried out by adopting the welding robot; welding the fence height by using the welding robot; and controlling the position and the beat of each station node on the transmission equipment by adopting the control system so as to finish the production line operation. Therefore, the intelligent automatic production line for robot operation, which is capable of realizing automatic spot welding, automatic welding and standardized production of fence interchange, belongs to the intelligent manufacturing of the traditional industry transformation and generation, and has the advantages of realizing production automation and standardized organization production, enabling produced workpieces to completely meet interchangeability requirements, being high in workpiece precision, realizing automatic production, reducing labor intensity of workers, improving production efficiency by 100%, saving labor by 70%, reducing cost and improving operation environment.

Description

Semitrailer fence production line

Technical Field

The invention relates to a semi-trailer technology, in particular to a semi-trailer fence production line.

Background

In the prior semi-trailer fence production, see fig. 1, parts such as vertical side parts, horizontal side parts and fences and the like required by a material trolley 1 to form a fence workpiece are sent to a fence assembling station 2, the parts are sent to a fence welding station 3 after being assembled manually, spot welding and welding are carried out manually, the parts are sent to a fence stacking station 4 after the fence workpiece is welded well for stacking, and all the steps of manual assembly, spot welding, repairing and the like are adopted. This, in turn, results in: 1. the assembly precision is poor, and the welding quality is unstable; 2. the labor intensity is high, and the damage of arc light and smoke dust is large; 3. the production efficiency is low; 4. does not meet the requirements of intelligent manufacturing and green factories advocated by the state.

Disclosure of Invention

Aiming at the defects in the existing semi-trailer fence production, the invention provides a semi-trailer fence production line which is capable of realizing standardized production of automatic spot welding, automatic welding and fence interchange, namely an intelligent automatic production line operated by a robot, and is an intelligent manufacturing line for traditional industry transformation, upgrading and updating.

The technical scheme of the invention is realized in such a way.

The fence produced by the semitrailer fence production line comprises a vertical side piece, a transverse side piece and a fence height, wherein the two ends of a notch of the vertical side piece are connected with the transverse side piece, and the transverse side piece is fixedly connected with the fence height. Wherein, the vertical side piece is provided with a long wing, a short wing and a notch, and the fence is provided with a short edge and an arc-shaped groove.

A semi-trailer fence production line comprises transmission equipment, an assembly tool, a welding robot and a control system; assembling parts such as fence height parts, vertical side parts, transverse side parts and the like by adopting an assembling tool; spot welding and positioning by adopting a welding robot; welding the fence height by adopting a welding robot; and controlling the position and the beat of each station node on the transmission equipment by using a control system so as to finish the production line operation. At an assembling station, assembling and clamping the high and vertical side pieces and the transverse side pieces of the fence by adopting an assembling tool arranged on transmission equipment, and ensuring that the shape and the size are not changed; spot welding by using a welding robot positioned beside the transmission equipment, and positioning the height of the vertical side piece, the height of the transverse side piece and the height of the fence; and the fence is welded firmly; the workpiece is conveyed to the next repair welding station for repair welding; cleaning after repair welding is finished, and conveying the workpieces to a storage station for stacking; the control system is adopted to control the node position and the beat of each station on the transmission equipment, so that the assembly line production is smooth, the beat is reasonable, and the node position is accurate; the workpieces are circulated on the transmission equipment, and the operation of the whole fence production line is completed.

Further, the assembly tool is a follow-up tool.

And further, the welding robot further comprises a repair welding process, wherein after the welding robot welds the high nodes of the fence, a repair welding tool is adopted in the repair welding process to clamp the workpiece.

Further, repair welding frock is snatching the robot.

Furthermore, concrete resource equipment of the semi-trailer fence production line comprises 2 assembling tools, 1 welding robot, 2 repair welding tools and 6 material trolleys.

Furthermore, the method also comprises a cleaning process, wherein the cleaning process is operated by the robot after the nodes of the repair welding process.

And further, the stacking device further comprises a stacking procedure which is arranged behind the cleaning procedure node and operated by a robot.

The semi-trailer fence production line comprises the following operation steps that high and vertical side pieces of a fence and a transverse side piece are assembled and clamped by an assembly tool at an assembly station; spot welding by adopting a welding robot, and positioning the height of the vertical side piece, the height of the transverse side piece and the height of the fence; welding the fence height by adopting a welding robot; the workpiece is transmitted to the next repair welding station, and the repair welding tool is used for clamping the workpiece for repair welding; and finally, conveying the workpiece to the next stacking station for stacking. In the fence production line, the fence high and vertical side pieces and the horizontal side pieces are assembled and clamped by the assembly tool at the assembly station, and the shape and the size are ensured to be unchanged by clamping; positioning the heights of the vertical side pieces, the transverse side pieces and the fence by adopting a welding robot through spot welding; welding the fence height by adopting a welding robot; the workpiece is transmitted to the next repair welding station, and the repair welding tool is used for clamping the workpiece for repair welding; cleaning the workpiece; and finally, conveying the workpiece to the next stacking station to stack the workpiece. The materials of the assembly station are all intelligently delivered by using an AGV material trolley, and the AGV material trolley is controlled by the beat. The semi-trailer fence production line completes the operations of manual assembly, spot welding positioning, welding by a welding robot, repair welding and offline.

Further, the semi-trailer fence production line further comprises sensors arranged at the robot welding equipment and the positions of station nodes of the production line, sensor information is transmitted to the Internet of things, and the Internet of things is interconnected with the control system and the cloud platform.

The invention has the beneficial effects that:

the invention provides an intelligent automatic production line operated by a robot, which can realize automatic spot welding, automatic welding and standardized production of fence interchange, belongs to the intelligent manufacturing of the traditional industry transformation generation, and has the advantages of realizing production automation and standardized organization production, enabling the produced workpieces to completely meet the interchangeability requirement, realizing high workpiece precision and automatic production, reducing the labor intensity of workers, improving the production efficiency by 100 percent, saving the labor power by 70 percent, reducing the cost and improving the working environment.

Drawings

The drawings and their description together with the illustrative embodiments serve to explain the invention and do not constitute an undue limitation thereof.

Fig. 1 shows a schematic view of a prior art semitrailer fence production line closest to the present invention;

fig. 2 shows a schematic view of a semitrailer fence production line according to the invention;

fig. 3 shows a schematic view of a repair welding process of a semitrailer fence production line according to the invention;

fig. 4 shows a schematic diagram of fence workpieces produced by the semitrailer fence production line according to the invention;

fig. 5 shows a schematic view of a vertical edge of a semitrailer fence according to the invention;

fig. 6 shows a high-level schematic view of a rail of a semitrailer rail according to the invention.

The automatic assembling system comprises a material trolley 1, an assembling station 2, a welding station 3, a stacking station 4, an AGV material trolley 6, a transmission device 7, an assembling tool 8, an assembling station 9, a welding robot 10, a repair welding station 11, a fence storage station 12, a vertical side piece 13, a fence height 14, a transverse side piece 15, a notch 16, a long wing 17, a short wing 18, a short side 19, an arc-shaped groove 20, a workpiece 100, a grabbing robot 22 and a welding robot B23.

Detailed Description

Further details and effects of the invention are explained in more detail below by means of different illustrative embodiments shown in the drawings. The embodiments described by way of example with reference to the accompanying drawings are intended to be illustrative of the invention and should not be construed as limiting the invention.

The front end and the rear end, the front portion and the rear portion are determined relative to a transmission direction (workpiece trend), an assembly workpiece is a starting point and is the front end, a welding workpiece is a finishing point and is the rear end, and the transmission equipment is the front portion from the beginning of transmission and is the rear portion from the end of transmission.

The fence assembly produced by the semitrailer fence production line of the invention is shown in figure 4, and comprises a vertical side part 13, a transverse side part 15 and a fence height 14, wherein the vertical side part 13 is shown in figure 5 in shape, a long wing 17, a short wing 18 and a notch 16 are arranged, and the fence height is shown in figure 6 in shape, a short side 19 and an arc-shaped groove 20 are arranged. The two ends of the vertical side piece notch 16 are connected with the transverse side piece 15, and the transverse side piece 15 is fixedly connected with the fence height 14.

An embodiment of a semitrailer fence production line, referring to fig. 2, comprises a transmission device, an assembly tool, a welding robot and a control system; assembling parts such as fence height parts, vertical side parts, transverse side parts and the like by adopting an assembling tool; spot welding and positioning by adopting a welding robot; welding the fence height by adopting a welding robot; and controlling the position and the beat of each station node on the transmission equipment by using a control system so as to finish the production line operation. The AGV material trolley 6 sends parts such as vertical side pieces 13, transverse side pieces 15 and fence heights 14 required by fence workpieces to a fence assembling station 9 on the transmission equipment 7, and assembles the parts including the vertical side pieces 13, the transverse side pieces 15 and the fence heights 14 by using an assembling tool 8, wherein the ends of the transverse side pieces 15 are arranged at two ends of a notch 16 of each vertical side piece, long wings 17 and short wings 18 of the vertical side pieces 13 clamp the transverse side pieces 15 tightly, and the fence heights 14 are sleeved in the middle of the notch 16 of each vertical side piece 13 and between the two transverse side pieces 15; the fence height 14 is designed into the shapes of the short edge 19 and the arc-shaped groove 20, so that the fence is convenient to produce, the fence height 14 and the transverse side piece 15 can be fixedly connected by reducing welding amount and reducing deformation, and the fence is of an anti-expansion box structure; spot welding is performed by using the welding robot 10, and the height of the vertical side pieces, the height of the transverse side pieces and the height of the fence are positioned; welding the fence height 14 with the vertical side pieces 13 and the transverse side pieces 15 by using the welding robot 10 to firmly weld the fence; the workpiece 100 is conveyed to a fence repair welding station 11 for repair welding, accessories such as a door knife, a rotating shaft and the like can be welded, and finally conveyed to a fence storage station 12 for stacking; therefore, at the assembly station, the fence high and vertical side pieces and the horizontal side pieces are assembled and clamped by an assembly tool arranged on the transmission equipment, so that the shape and the size are ensured to be unchanged; spot welding by using a welding robot positioned beside the transmission equipment, and positioning the height of the vertical side piece, the height of the transverse side piece and the height of the fence; welding the fence height, the vertical side pieces and the transverse side pieces to firmly weld the fence height; the welding robot is a machine for welding under the protection of carbon dioxide gas, and the welding process is operated by the robot instead of a human, so that the welding robot is accurate in positioning, high in production efficiency and high in quality; the workpiece is conveyed to the next repair welding station for repair welding; cleaning after repair welding is finished, and conveying the workpieces to a storage station for stacking; the control system is adopted to control the node position and the beat of each station on the transmission equipment, so that the assembly line production is smooth, the beat is reasonable, and the node position is accurate; the workpieces flow on the transmission equipment; the materials of the assembly stations are all intelligently distributed by using an AGV material trolley, and the AGV material trolley is controlled by the beat to complete the operation of the whole fence production line.

Optionally, in some embodiments of the present invention, the assembly tool is a follow-up tool. The accompanying tool can move together with the workpiece and can be moved out of the workpiece; the device is not fixed at a certain position on a production line and cannot move like a fixed tool; the spot welding positioning node position of the follower tool on the production line is together with the workpiece, the size of the workpiece is guaranteed to be unchanged after spot welding, and after the spot welding positioning node task is completed, the follower tool can be moved out of the workpiece, or can enter the next procedure together with the workpiece, and is moved out of the workpiece after the procedure is completed; after the accompanying tool is moved out of the workpiece, the workpiece is subjected to the next procedure, such as welding, in the original position, or is transmitted to the next station for the next procedure, such as welding; the fixed tooling is that the spot welding positioning node on the production line is fixed, after the spot welding positioning node is completed, the workpiece is detached from the fixed tooling, and then the workpiece is transmitted to the next station for the next procedure, such as welding.

Optionally, referring to fig. 2, in some embodiments of the present invention, a repair welding process is further included, and after the welding robot welds the high nodes of the fence, the repair welding process uses a repair welding tool to clamp a workpiece. When the workpiece is welded by the welding robot and the fence is high, the workpiece is transmitted to a repair welding station 11, and a repair welding tool is used for clamping the workpiece, or the workpiece can be manually clamped for manual repair welding; the repair welding tool is a common clamp, can clamp a workpiece to move away from the transmission equipment and place the workpiece on two sides of the transmission equipment, so that the circulation of the transmission equipment is not influenced; when a workpiece is clamped by a general fixture, repair welding can be performed without omitting a cooling process. Repair welding process, which can weld the door knife and the shaft; cleaning after repair welding, and then stacking the workpieces. Thus, the whole production line operation process of assembly, spot welding positioning, welding by a welding robot, manual repair welding and off-line is completed.

Of course, the repair welding operation of the repair welding process can be manual or robot, and the repair welding station can be arranged on the production line or under the production line.

Optionally, referring to fig. 3, in some embodiments of the present invention, the repair welding tool used in the repair welding process is a gripping robot. The repair welding tool adopts a grabbing robot 22, can grab a workpiece and move away from the transmission equipment 7, and can rotate to a certain position by a certain angle; the grabbing robot turns the workpiece 100 in the air by 90 degrees to enable the workpiece to be in a vertical state, so that manual work or a welding robot can repair and weld the workpiece in a vertical space plane conveniently; the gripping robot 22 in this case may stand on the side of the transfer device 7 or may stand on the rear of the transfer device 7. Optionally, the B welding robot 23 and the grabbing robot 22 are respectively located at two sides of the transmission device 7 and stand opposite to each other, the grabbing robot 22 grabs the workpiece and moves away from the transmission device, and the workpiece is lifted above the transmission device 7, so that the circulation of the transmission device is not affected, the grabbing robot 22 turns the workpiece 90 degrees in the air, the workpiece is in a vertical state, and the opposite B welding robot 23 performs repair welding on the workpiece in a vertical space plane; after the welding robot finishes repair welding, the grabbing robot places the workpiece on the transmission equipment or places the workpiece on other pre-stored places so as to reduce secondary carrying. Because the work piece is the horizontality and places on the transmission equipment line, in order not to need artifical transport, upset, then adopt and snatch the robot and snatch the work piece and carry out 90 degrees upsets, become vertical form, the work piece stands in transmission equipment overhead, and the welding robot of being convenient for like this carries out the repair welding to the work piece in vertical space plane. Meanwhile, accessories such as hinges, door knives, bolts, lock rods and the like can be welded on the workpiece, at the moment, the accessories are supplied by other equipment, or the accessories are firstly spot-welded on the workpiece before the workpiece is grabbed by the grabbing robot. Thus, the whole production line operation process of 'assembling, spot welding and positioning, welding by a special welding machine, repair welding by a robot and off-line' is completed.

Optionally, in some embodiments of the present invention, the concrete resource devices of the semitrailer fence production line including the repair welding process include 2 assembling tools, 1 welding robot, 2 repair welding tools, 6 material trolleys, 4 production personnel in two shifts, and a production rhythm: 3.5 minutes/page.

Optionally, in some embodiments of the present invention, the repair welding tool adopted in the repair welding process is a specific resource device of a semitrailer fence production line of a grabbing robot, and the repair welding tool includes 2 assembly tools, 1 welding robot, 1B welding robot, 1 grabbing robot, 6 material trolleys, 4 producers in two classes, and a production rhythm: 3.5 minutes/page.

Optionally, in some embodiments of the present invention, a cleaning process is further included, and the cleaning process is operated by a robot after the repair welding process node. Cleaning procedures comprise removing welding slag, splashes and the like; is arranged after the nodes of the repair welding process. The fence production line is operated by a robot to remove environmental pollutants such as welding slag, splashes, dust and the like, and the robot replaces manpower to polish and remove ash; the slag and spatter cleaning in the production line is carried out in a special room.

Optionally, in some embodiments of the present invention, a palletizing process is further included, and the palletizing process is operated by a robot after the cleaning process node. After the process nodes are cleaned, the work piece stacking process of the fence production line is operated by a robot, and the robot replaces manpower to carry and stack.

An embodiment of operation steps of a semi-trailer fence production line is shown in figure 2, wherein high and vertical side pieces and transverse side pieces of a fence are assembled and clamped by an assembly tool at an assembly station; spot welding by adopting a welding robot, and positioning the height of the vertical side piece, the height of the transverse side piece and the height of the fence; welding the fence height by adopting a welding robot; the workpiece is transmitted to the next repair welding station, and the repair welding tool is used for clamping the workpiece for repair welding; and finally, conveying the workpiece to the next stacking station for stacking. In the fence production line, the fence high and vertical side pieces and the horizontal side pieces are assembled and clamped by the assembly tool at the assembly station, and the shape and the size are ensured to be unchanged by clamping; positioning the heights of the vertical side pieces, the transverse side pieces and the fence by adopting a welding robot through spot welding; welding the fence height by adopting a welding robot; the workpiece is transmitted to the next repair welding station, and the repair welding tool is used for clamping the workpiece for repair welding; the door knife, the rotating shaft and other accessories can be welded together; cleaning the workpiece; and finally, conveying the workpiece to the next stacking station to stack the workpiece. The materials of the assembly station are all intelligently delivered by using an AGV material trolley, and the AGV material trolley is controlled by the beat. The semi-trailer fence production line completes the operations of manual assembly, spot welding positioning, welding by a welding robot, repair welding and offline.

Optionally, in some embodiments of the present invention, sensors are disposed in the fence production line, in the robot welding equipment such as the special welding machine and the welding robot, and in the positions of the nodes of the production line stations, and transmit the equipment operation data and the data of the station process conditions (displacement, duration, force, vibration, etc.) to the control system. Therefore, the statistical analysis of the information is convenient, and the basis is brought for improving the quality and the technological parameters.

Optionally, in some embodiments of the invention, sensor information set in the fence production line is transmitted to the internet of things, and the internet of things is interconnected with the control system and the cloud platform to realize the distance monitoring.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications may be made, and the specific features, structures, materials or characteristics described may be combined in any one or more of the embodiments or examples in a suitable manner, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in any particular way, but rather, as long as there is no contradiction between these combinations of features, the scope of the present invention should be considered as being covered by the present specification. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A semi-trailer fence production line is characterized by comprising transmission equipment, an assembly tool arranged on the transmission equipment, a welding robot positioned beside the transmission equipment and an independently arranged control system; assembling parts including a fence height part, a vertical side part and a transverse side part by using the assembling tool; spot welding positioning is carried out by adopting the welding robot; welding the fence height by using the welding robot; and the control system is adopted to control the position and the beat of each station node on the transmission equipment, and workpieces flow on the transmission equipment, so that the production line operation is completed.

2. The semitrailer fence production line of claim 1, wherein the assembly tool is a follower tool.

3. The semi-trailer fence production line as claimed in any one of claims 1 to 2, further comprising a repair welding process, wherein the repair welding process is arranged after the welding robot welds the high nodes of the fence, and the repair welding process adopts a repair welding tool to clamp a workpiece.

4. The semi-trailer fence production line as claimed in claim 3, wherein the repair welding tool is a grabbing robot.

5. The semitrailer fence production line as claimed in claim 3, wherein the semitrailer fence production line has specific resource devices including 2 assembling tools, 1 welding robot, 2 repair welding tools, 4 workers in two classes, 6 material trolleys and production time: 3.5 minutes/page.

6.A semitrailer fence production line according to any one of claims 3 and 4, further comprising a cleaning process, disposed after the repair welding process node, the cleaning process being operated by a robot.

7. A semitrailer fence production line according to claim 6, further comprising a palletizing process, arranged after said cleaning process node, said palletizing process being operated by a robot.

8. The semi-trailer fence production line as claimed in claim 1, wherein sensors are arranged at the positions of the robot welding equipment and the production line station nodes, information of the sensors is transmitted to the Internet of things, and the Internet of things is interconnected with the control system and the cloud platform.