CN116871778A - Crane chassis panel production line - Google Patents

Abstract

The application provides a production line of a crane underframe panel, and relates to the technical field of automatic production equipment. Comprising a first fixing device and a second fixing device. The first fixing device comprises a positioner, a first fixing seat arranged on the positioner, two first positioning assemblies arranged on the first fixing seat, at least two first clamping assemblies, a first fixing assembly and a first compacting assembly. The first positioning assembly comprises a first sliding seat and a first positioning block. The first positioning block is provided with a first embedding protrusion. The panel component plate is provided with a first groove capable of accommodating the first embedded protrusion for positioning. The first clamping assembly comprises a second sliding seat and a first clamping block. The first clamping block is provided with a clamping groove. The first pressing assembly comprises a third sliding seat and two first pressing members. The two first pressing members are respectively used for pressing the panel assembly plate on the first supporting seat. The first embedded protrusion is matched with the first groove to provide positioning for the plate, so that the overlapping condition between the two plates is avoided.

Description

Crane chassis panel production line

Technical Field

The application relates to the technical field of automatic production equipment, in particular to a crane underframe panel production line.

Background

The crane underframe has larger volume, and the underframe panel can not be obtained through one-time cutting. Two or even more panels are cut into panels, which are then welded together to form the crane undercarriage panel.

In the prior art, double-sided groove welding is adopted for the chassis panel of the crane. Therefore, the cross-sectional area at the edges where welding is required is small, even directly provided as a chamfer without a side. Resulting in frequent overlapping of the panel component boards when placed in place, requiring multiple adjustments to be placed in place. In addition, since the volume of the constituent plate is large, heat generated during welding is liable to deform the plate.

In view of the above, the applicant has studied the prior art and has made the present application.

Disclosure of Invention

The present application provides a crane undercarriage panel production line which aims to improve at least one of the above technical problems.

In order to solve the technical problems, the application provides a crane underframe panel production line, which comprises a first fixing device, a second fixing device and a control device.

The first fixing device comprises a positioner, a first fixing seat arranged on the positioner, two first positioning assemblies arranged on the first fixing seat, at least two first clamping assemblies, a first fixing assembly and a first compacting assembly.

The positioner is used for driving the first fixing seat to rotate. The first fixing seat is provided with a first strip-shaped through hole along a first direction. The first fixing seat is provided with two first supporting seats positioned at two sides of the first strip-shaped through hole. The first fixing assembly comprises a plurality of electromagnets configured on the first fixing seat. Preferably, the first fixing base further includes a plurality of third supporting bases disposed along the second direction.

The first positioning component comprises a first sliding seat and a first positioning block, wherein the first sliding seat is arranged on the first fixing seat in a sliding mode, and the first positioning block is arranged on the first sliding seat. The first slider is configured to be movable in a first direction. The first sliding seat extends to the first strip-shaped through hole so that the first positioning block is positioned between the two first supporting seats. The first positioning block is provided with a first embedding protrusion. The two sides of the first embedded bulge are respectively provided with a first limit plane. The striking board of panel group board is provided with can hold the bellied first recess of first embedding. The cell wall of first recess can be fixed a position with first spacing plane cooperation.

The first clamping assembly comprises a second sliding seat and a first clamping block, wherein the second sliding seat is arranged on the first fixing seat in a sliding mode, and the first clamping block is arranged on the second sliding seat. The second slider is configured to be movable in a second direction. The first clamping block is provided with a clamping groove.

The first pressing component comprises a third sliding seat which is arranged on the first fixing seat in a sliding manner, and two first pressing members which are arranged on the third sliding seat. The third slider is configured to be movable in the second direction. The two first pressing members are respectively used for pressing the two panels to form a plate on the two first supporting seats.

The second fixing device comprises a second fixing seat, a second fixing assembly, a dust collection assembly and two dust collection assemblies, wherein the dust collection assembly and the two dust collection assemblies are arranged on the second fixing seat. The second fixing assembly comprises a plurality of electromagnets configured on the second fixing seat. The second fixing seat is provided with a first hollowed-out portion and second hollowed-out portions positioned on two sides of the first hollowed-out portion. The dust collection assembly is arranged below the first hollowed-out part. The dust collection assembly comprises two dust collection components which are arranged in opposite directions, and a dust collection component which is positioned below the two dust collection components and is used for containing dust. A dust collection channel for dust to pass through is arranged between the two dust collection components. The dust collection component is provided with a dust collection opening towards one side of the dust collection channel. The two dust collecting components are respectively arranged below the second hollowed-out part and are used for containing dust.

The control device is electrically connected to the first fixing device and the second fixing device. The control device includes a processor, a memory, and a computer program stored in the memory. The computer program can be executed by a processor to implement steps S1 to S7.

S1, controlling the two first sliding seats to move, and moving the first embedded protrusions to the positioning positions of the chassis panel.

S2, placing the panel assembly plate on the first supporting seat at the transfer robot, and controlling the second sliding seat to move towards the direction of the first strip-shaped hole after the first groove of the panel assembly plate is clamped on the first embedded protrusion so as to tightly prop the panel assembly plate against the first embedded protrusion.

S3, controlling the electromagnet to attract the panel to form a plate.

S4, controlling the first pressing assembly to move from the initial position to the position above the first supporting seat, and then pressing the panel forming plate on the first supporting seat. Wherein the initial position is a position outside the cross section of the chassis panel.

S5, after welding of the welding seam of one side of the panel component plate, facing the first pressing component, is completed, the position changing machine is controlled to rotate the first fixing seat, so that one side, far away from the first pressing component, of the panel component plate is upward, and the welding robot can penetrate through the first strip-shaped through hole to weld the panel component plate.

S6, after welding is completed on one side, far away from the first pressing assembly, of the panel component plate, the position changing machine is controlled to rotate the first fixing seat, so that one side, facing the first pressing assembly, of the panel component plate is upwards. Then, the first pressing assembly is controlled to move to the initial position, the electromagnet releases the chassis panel, and the second slide and the first slide move toward a direction away from the chassis panel.

And S7, finally, after the base panel is moved to the second fixing seat, polishing the welded base panel, and sucking dust generated during polishing through the dust collection assembly.

By adopting the technical scheme, the application can obtain the following technical effects:

the first groove on the arc striking plate of the panel is matched with the first positioning block, so that positioning can be provided for the panel to form the panel, and the situation that two plates overlap each other during assembly is avoided.

Through first hold-down assembly, can compress tightly the welding seam both sides fixed, the panel takes place to warp when avoiding welding.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an isometric view of a crane undercarriage panel production line.

Fig. 2 is an isometric view of a first fixture.

Fig. 3 is an exploded view of the first fixture.

Fig. 4 is an isometric view of a first positioning assembly.

Fig. 5 is an isometric view of a first clamp assembly.

Fig. 6 is an isometric view of a first compression assembly.

Fig. 7 is a first isometric view of a second fixture.

Fig. 8 is a second isometric view (with portions broken away) of a second fixture.

The marks in the figure: 1-first fixing device, 2-second fixing device, 3-first fixing seat, 4-position changing machine, 5-first compressing component, 6-first positioning component, 7-first clamping component, 8-panel component plate, 9-first groove, 10-first supporting seat, 11-first strip-shaped through hole, 12-first sliding seat, 13-first limiting plane, 14-first positioning block, 15-first embedded protrusion, 16-second sliding seat, 17-first clamping piece, 18-clamping groove, 19-third sliding seat, 20-first compressing component, 21-second fixing seat, 22-dust collecting component, 23-dust collecting component, 24-second supporting seat, 25-second limiting block, 26-second embedded protrusion, 27-dust collecting component, 28-dust collecting component, 29-dust collecting opening, 30-negative pressure box, 31-first rotating door, 32-first driving component, 33-dust collecting channel and 34-second hollowed-out part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, of the embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to fall within the scope of the present application. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to fall within the scope of the present application.

As shown in fig. 1 to 8, an embodiment of the present application provides a crane chassis panel production line, which includes a first fixing device 1, a second fixing device 2, and a control device.

The first fixing device 1 comprises a positioner 4, a first fixing seat 3 arranged on the positioner 4, two first positioning assemblies 6 arranged on the first fixing seat 3, at least two first clamping assemblies 7, a first fixing assembly and a first pressing assembly 5.

Specifically, the first fixing device 1 is used for fixing at least two panels to form a board 8, and then the panels to form the board 8 are welded on the first fixing device 1.

As shown in fig. 2 and 3, the positioner 4 is configured to drive the first fixing base 3 to rotate. The first fixing base 3 is provided with a first bar-shaped through hole 11 along a first direction. The first fixing base 3 is provided with two first supporting bases 10 positioned at two sides of the first bar-shaped through hole 11. The first fixing component comprises a plurality of electromagnets configured on the first fixing base 3.

Specifically, the number of the displacers 4 is two. The two position shifters 4 are respectively arranged at two sides of the first fixing seat 3. In the embodiment of the present application, the first direction is set along the rotation axis direction of the positioner 4. Avoidance can be performed through the first strip-shaped through hole 11, so that the automatic welding robot can pass through the first strip-shaped through hole 11 to weld the back surface of the panel component plate 8. The two first supporting seats 10 on the two sides of the first strip-shaped through hole 11 can ensure that the two sides of the welding line are smooth.

As shown in fig. 3 and 4, the first positioning component 6 includes a first slide 12 slidably disposed on the first fixing base 3, and a first positioning block 14 disposed on the first slide 12. The first carriage 12 is configured to be movable in the first direction. The first slider 12 extends to the first bar-shaped through hole 11 so that the first positioning block 14 is located between the two first support bases 10. The first positioning block 14 is provided with a first embedding protrusion 15. The two sides of the first embedded protrusion 15 are respectively provided with a first limit plane 13. The striking plate of the panel component plate 8 is provided with a first recess 9 capable of accommodating said first embedding protrusion 15. The groove wall of the first groove 9 can be matched with the first limit plane 13 for positioning.

Specifically, the first slider 12 is driven by a screw slider structure. Because of the groove welding adopted between the two panels forming the plate 8, the end part needs to be provided with an inclined groove. Resulting in smaller or even no sides of the panel component sheet 8. The inventor sets up with first recess 9 through a large amount of creative labors in the tip of striking board to provide the side that the location was used, directly leaned on first limit plane 13 with the side of first recess 9, the condition that two boards overlap when having effectively avoided the assembly has apparent progress.

The first positioning block 14 is matched with the first groove 9 on the arc striking plate of the panel forming plate 8, so that positioning can be provided for the panel forming plate 8, and the situation that two plates overlap each other during assembly is avoided. In addition, the arc striking plate needs to be cut off after the welding of the chassis panel of the crane is finished, so the first groove 9 arranged on the arc striking plate does not influence the structure of the chassis panel of the crane.

As shown in fig. 3 and 5, the first clamping assembly 7 includes a second slide 16 slidably disposed on the first fixing base 3, and a first clamping block 17 disposed on the second slide 16. The second carriage 16 is configured to be movable in a second direction. The first clamping block 17 is provided with a clamping groove 18.

Specifically, the second slider 16 is driven by a screw slider structure. The panel component plates 8 can be tightly propped against the first positioning block 14 through the first clamping component 7, so that the gap between the two panel component plates 8 is ensured to be small enough, and the welding size is ensured to meet the requirements. The clamping groove 18 is formed in the first clamping block 17, so that the situation that the panel is formed into the plate 8 to tilt in the jacking process can be effectively prevented, and the clamping device has good practical significance.

As shown in fig. 3 and 6, the first pressing assembly 5 includes a third slide 19 slidably disposed on the first fixing base 3, and two first pressing members 20 disposed on the third slide 19. The third carriage 19 is configured to be movable in the second direction. The two first pressing members 20 are respectively used for pressing the two panel assembly boards 8 to the two first supporting seats 10.

Specifically, the third slider 19 is driven by a screw slider structure. The two first pressing members 20 press the panel component plates 8 on both sides of the weld joint on the two first supporting seats 10, respectively. The first pressing member 20 and the first supporting seat 10 are arranged along the direction of the first bar-shaped through hole 11, so that the deformation of the plate during welding can be well avoided.

As shown in fig. 1 and 6, the second fixing device 2 includes a second fixing base 21, a second fixing assembly, and a dust collection assembly 23 and two dust collection assemblies 22 disposed on the second fixing base 21. The second fixing assembly includes a plurality of electromagnets disposed on the second fixing base 21. The second fixing seat 21 is provided with a first hollow portion and second hollow portions 34 located at two sides of the first hollow portion. The dust collection assembly 23 is disposed below the first hollow portion. The dust collection assembly 23 includes two dust collection members 27 disposed opposite to each other, and a dust collection member 28 disposed below the two dust collection members 27 to collect dust. A dust collection passage 33 through which dust passes is provided between the two dust collection members 27. The dust collection member 27 is provided with a dust collection port 29 on a side facing the dust collection passage 33. The two dust collecting assemblies 22 are respectively disposed below the second hollow portion 34 for receiving dust.

Specifically, the second fixing device 2 is used for placing the welded crane underframe panel, and then the welding seam is polished on the second fixing device 2. Through the second fixing base 21 of fretwork design, cooperation dust collection subassembly 23 lets the dust that produces of polishing move down, avoids the dust to fly in disorder, has fine practical meaning.

Specifically, a laser scribing and cutting robot and a carrying and polishing robot are installed beside the second fixing device 2. The laser scribing and cutting robot scans the workpiece positioning shaft hole through the laser sensor to determine the specific position of the workpiece. After the position is determined, the carrying and polishing robot polishes the welded key parts of the welded bottom plate weldment. After polishing, the laser scribing and cutting robot scans the workpiece positioning shaft hole through the laser sensor to determine the specific position of the workpiece again. Then, the laser head is used for cutting the arc striking plate and scribing the bottom plate weldment. After the work is completed, the work is transferred to the buffer platform by the truss manipulator, and after being cooled, the work is transferred to the blanking conveyor belt to be transferred to the next working procedure.

The control device is electrically connected to said first fixture 1 and said second fixture 2. The control device comprises a processor, a memory and a computer program stored in the memory. The computer program is executable by the processor to perform the steps of:

s1, controlling the two first sliding seats 12 to move, and moving the first embedded protrusions 15 to the chassis panel positioning positions.

S2, placing the panel assembly plate 8 on the first supporting seat 10 by the carrying robot, and controlling the second sliding seat 16 to move towards the direction of the first strip-shaped hole after the first groove of the panel assembly plate 8 is clamped on the first embedded protrusion 15 so as to tightly prop the panel assembly plate 8 against the first embedded protrusion 15.

S3, controlling the electromagnet to attract the panel to form the plate 8.

S4, controlling the first pressing assembly 5 to move from the initial position to the position above the first supporting seat 10, and then pressing the panel assembly plate 8 on the first supporting seat 10. Wherein the initial position is a position outside the cross section of the chassis panel.

S5, after the welding seam of the panel component plate 8 towards one side of the first pressing component 5 is welded, the position changing machine 4 is controlled to rotate the first fixing seat 3, so that one side of the panel component plate 8 away from the first pressing component 5 faces upwards, and the welding robot can penetrate through the first strip-shaped through hole 11 to weld the panel component plate 8.

S6, after welding is completed on one side, far away from the first pressing component 5, of the panel component plate 8, the positioner 4 is controlled to rotate the first fixing seat 3, so that one side, facing the first pressing component 5, of the panel component plate 8 faces upwards. The first compression assembly 5 is then controlled to move to the home position, the electromagnet releases the chassis panel, and the second carriage 16 and the first carriage 12 move in a direction away from the chassis panel.

And S7, finally, after the base panel is moved to the second fixing seat 21, polishing the welded base panel, and sucking dust generated during polishing through the dust suction assembly 23.

According to the crane chassis panel production line, the first positioning blocks 14 are matched with the first grooves 9 on the arc striking plates of the panel assembly plates 8, so that positioning can be provided for the panel assembly plates 8, and the situation that the two plates overlap during assembly is avoided. Through the first compression assembly 5, two sides of the welding line can be compressed and fixed, and the deformation of the plate during welding is avoided.

As shown in fig. 4, in an alternative embodiment of the present application, based on the above embodiment, the first slider 12 is configured in a "J" shape. The first sliding seat 12 is slidably disposed on a side of the first fixing seat 3 away from the first pressing component 5, and passes through the first strip-shaped through hole 11. The first positioning block 14 is constructed in a "convex" configuration. The end of the first insertion projection 15 is constructed in a circular arc structure.

In particular, since the first compression assembly 5 needs to translate along the surface of the panel component sheet 8, the side of the first fixing base 3 facing the first compression assembly 5 cannot be provided with raised protrusions. The inventors have achieved, through a great deal of inventive work, that the first slide 12, in the form of a "J", sets the position of the first embedding projection 15 between the two first support seats 10 to provide positioning for the panel-forming sheet 8. The two sides of the welding line are pressed to prevent deformation, and meanwhile, the two panels are prevented from being overlapped with each other to form the plate 8, so that remarkable progress is achieved.

In an alternative embodiment of the present application, as shown in fig. 5, based on the above embodiment, the cross section of the clamping groove 18 is configured as an isosceles trapezoid structure. The symmetry plane of the isosceles trapezoid structure and the symmetry plane of the panel forming the thickness direction of the panel 8 are flush. Preferably, the number of the first clamping assemblies 7 is 4, and the first clamping assemblies are symmetrically arranged at two sides of the first strip-shaped through hole 11 respectively.

Specifically, an isosceles trapezoid groove rotated by 90 degrees is provided on the side surface of the first clamping block 17. When the panel is clamped to form the plate 8, the side face of the plate can be abutted on the top edge of the isosceles trapezoid, and the plane is opposite to the plane, so that the panel is prevented from forming the plate 8 to tilt. In addition, through two waists of isosceles trapezoid, further avoid panel to constitute panel 8 perk.

As shown in fig. 2 and 6, in an alternative embodiment of the present application, the number of the third sliding bases 19 is two, and the third sliding bases are respectively disposed at two sides of the first bar-shaped through hole 11 in the length direction. The first pressing member 20 includes pressing seats, two pressing blocks, and an air cylinder, wherein the pressing seats are respectively arranged at two ends of the two third sliding seats 19, the pressing blocks are arranged on the pressing seats and can move up and down, and the air cylinder is connected between the pressing seats and the pressing blocks.

Specifically, the air cylinder can well drive the pressing block to move up and down, so that the panel component plate 8 is pressed on the first supporting seat 10.

As shown in fig. 7 and 8, in an alternative embodiment of the present application, the dust suction member 27 includes a negative pressure tank 30 for connecting a negative pressure suction source, a first rotary door 31, and a first driving part 32. The first revolving door 31 is disposed inside the negative pressure tank 30, and the upper end is hinged to the negative pressure tank 30. The first driving member 32 is configured to drive the first revolving door 31 to rotate. Preferably, the second fixing base 21 is provided with a second positioning block 25, and a plurality of second supporting bases 24 are arranged at intervals. The second positioning block 25 is provided with a second insertion projection 26 capable of being inserted into the first groove 9. More preferably, the dust collection member 27 and the dust collection assembly 23 are constructed in a funnel-type structure.

Specifically, the suction member 27 can suck air in an obliquely upward direction, and a larger suction force can be provided. A plurality of dust suction ports 29 are provided at intervals along the direction of the dust collection passage 33. The proper dust collection opening 29 is selected to be opened according to the size and the position of the chassis panel of the crane, so that the suction force is further ensured, and dust generated during polishing can be effectively prevented from drifting.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. The production line of the chassis panel of the crane is characterized by comprising a first fixing device (1), a second fixing device (2) and a control device;

the first fixing device (1) comprises a positioner (4), a first fixing seat (3) arranged on the positioner (4), two first positioning components (6) arranged on the first fixing seat (3), at least two first clamping components (7), a first fixing component and a first compacting component (5);

the position changing machine (4) is used for driving the first fixing seat (3) to rotate; the first fixing seat (3) is provided with a first strip-shaped through hole (11) along a first direction; the first fixing seat (3) is provided with two first supporting seats (10) positioned at two sides of the first strip-shaped through hole (11); the first fixing assembly comprises a plurality of electromagnets which are arranged on the first fixing seat (3);

the first positioning assembly (6) comprises a first sliding seat (12) which is slidably arranged on the first fixing seat (3), and a first positioning block (14) which is arranged on the first sliding seat (12); the first carriage (12) is configured to be movable along the first direction; the first sliding seat (12) extends to the first strip-shaped through hole (11) so that the first positioning block (14) is positioned between the two first supporting seats (10); the first positioning block (14) is provided with a first embedded protrusion (15); a first limit plane (13) is respectively arranged at two sides of the first embedded bulge (15); the arc striking plate of the panel assembly plate (8) is provided with a first groove (9) capable of accommodating the first embedded bulge (15); the groove wall of the first groove (9) can be matched with the first limit plane (13) for positioning;

the first clamping assembly (7) comprises a second sliding seat (16) which is slidably arranged on the first fixing seat (3), and a first clamping block (17) which is arranged on the second sliding seat (16); the second carriage (16) is configured to be movable in a second direction; the first clamping block (17) is provided with a clamping groove (18);

the first pressing assembly (5) comprises a third sliding seat (19) which is slidably arranged on the first fixing seat (3), and two first pressing members (20) which are arranged on the third sliding seat (19); the third slide (19) is configured to be movable in a second direction; the two first pressing members (20) are respectively used for pressing the two panel assembly plates (8) on the two first supporting seats (10);

the second fixing device (2) comprises a second fixing seat (21), a second fixing assembly, a dust collection assembly (23) and two dust collection assemblies (22), wherein the dust collection assembly (23) and the two dust collection assemblies (22) are arranged on the second fixing seat (21); the second fixing assembly comprises a plurality of electromagnets which are arranged on the second fixing seat (21); the second fixing seat (21) is provided with a first hollowed-out part and second hollowed-out parts (34) positioned at two sides of the first hollowed-out part; the dust collection assembly (23) is arranged below the first hollowed-out part; the dust collection assembly (23) comprises two dust collection members (27) which are arranged in opposite directions, and a dust collection member (28) which is positioned below the two dust collection members (27) and is used for collecting dust; a dust collection channel (33) for dust to pass through is arranged between the two dust collection components (27); a dust collection opening (29) is formed in one side of the dust collection component (27) facing the dust collection channel (33); the two dust collecting assemblies (22) are respectively arranged below the second hollowed-out parts (34) and are used for containing dust;

the control device is electrically connected to the first fixing device (1) and the second fixing device (2); the control device comprises a processor, a memory and a computer program stored in the memory; the computer program is executable by the processor to perform the steps of:

s1, controlling the two first sliding seats (12) to move, and moving the first embedded protrusions (15) to the chassis panel positioning positions;

s2, placing the panel assembly plate (8) on the first supporting seat (10) by the carrying robot, and controlling the second sliding seat (16) to move towards the direction of the first strip-shaped hole after the first groove of the panel assembly plate (8) is clamped on the first embedded protrusion (15) so as to tightly prop the panel assembly plate (8) against the first embedded protrusion (15);

s3, controlling the electromagnet to attract the panel to form a plate (8);

s4, controlling the first pressing component (5) to move from an initial position to the position above the first supporting seat (10), and then pressing the panel component plate (8) on the first supporting seat (10); wherein the initial position is a position outside the cross section of the chassis panel;

s5, after welding of the welding seam of the side, facing the first pressing component (5), of the panel component plate (8), controlling the position changing machine (4) to rotate the first fixing seat (3) so that the side, far away from the first pressing component (5), of the panel component plate (8) faces upwards, and enabling the welding robot to pass through the first strip-shaped through hole (11) to weld the panel component plate (8);

s6, after welding is completed on one side, far away from the first compression assembly (5), of the panel component plate (8), controlling the position changing machine (4) to rotate the first fixing seat (3) so that one side, facing the first compression assembly (5), of the panel component plate (8) faces upwards; then, the first pressing assembly (5) is controlled to move to an initial position, the electromagnet releases the chassis panel, and the second sliding seat (16) and the first sliding seat (12) move towards a direction away from the chassis panel;

and S7, finally, after the base panel is moved to the second fixing seat (21), polishing the welded base panel, and sucking dust generated during polishing through the dust suction assembly (23).

2. The crane undercarriage panel production line of claim 1 wherein the suction member (27) comprises a negative pressure tank (30) for connection to a negative pressure suction source, a first revolving door (31) and a first drive (32); the first revolving door (31) is arranged in the negative pressure box body (30), and the upper end of the first revolving door is hinged to the negative pressure box body (30); the first driving piece (32) is used for driving the first revolving door (31) to rotate.

3. The crane undercarriage panel production line according to claim 1, wherein the second fixing base (21) is provided with a second positioning block (25) and a plurality of second supporting seats (24) at intervals; the second positioning block (25) is provided with a second embedding protrusion (26) capable of being embedded into the first groove (9);

the dust collection member (27) and the dust collection assembly (23) are constructed in a funnel-mounted structure.

4. The crane undercarriage panel production line of claim 1 wherein the first carriage (12) is configured in a "J" configuration; the first sliding seat (12) is slidably arranged on one side of the first fixing seat (3) far away from the first pressing component (5) and penetrates through the first strip-shaped through hole (11);

the first positioning block (14) is constructed in a 'convex' structure; the end of the first insertion projection (15) is configured in a circular arc structure.

5. A crane undercarriage panel production line according to claim 1, wherein the cross-section of the clamping groove (18) is configured as an isosceles trapezoid; the symmetry plane of the isosceles trapezoid structure and the symmetry plane of the panel forming the thickness direction of the panel (8) are level;

the number of the first clamping assemblies (7) is 4, and the first clamping assemblies are symmetrically arranged on two sides of the first strip-shaped through hole (11) respectively.

6. The crane undercarriage panel production line according to any one of claims 1 to 5, wherein the number of the third sliders (19) is two, and the third sliders are respectively disposed on both sides of the first bar-shaped through hole (11) in the longitudinal direction;

the first pressing member (20) comprises pressing seats, pressing blocks and an air cylinder, wherein the two ends of each pressing seat are respectively arranged on the two third sliding seats (19), the pressing blocks are arranged on the pressing seats and can move up and down, and the air cylinder is connected between the pressing seats and the pressing blocks.

7. A crane undercarriage panel production line according to any one of claims 1 to 5 wherein the first mounting base (3) further comprises a plurality of third support bases arranged along the second direction.