CN218284091U - Automatic welding production line for civil air defense door leaves - Google Patents

Abstract

The utility model provides an automatic welding production line for civil air defense door leaves, which is sequentially provided with a frame assembly station, three robot welding stations and an auxiliary welding station from front to back, wherein the frame assembly station is provided with a frame assembly platform; two arc welding robots which can move and the welding arms of which can freely extend downwards are erected on the gantry robot system. This production line has adopted multiple automated design to replace manual operation to adopt welding robot to accomplish the major welding process of people's air defense door leaf, the overall arrangement and the part of each station select for use rationally, and production efficiency is high, and product quality is stable. And this production line can be used to carry out automatic weld to the people's air defense door leaf of multiple not equidimension specification, is favorable to realizing the flexible production.

Description

Automatic welding production line for civil air defense door leaf

Technical Field

The utility model relates to a people's air defense door leaf makes and equips, specifically is an automatic welding production line of people's air defense door leaf, belongs to people's air defense door production and makes technical field.

Background

The civil air defense door is important in civil air defense engineering facilities to come in and go out protective equipment, and the steel structure civil air defense door comprises a civil air defense door frame and a double-opening civil air defense door leaf arranged on the civil air defense door frame, wherein the civil air defense door leaf is formed by welding a door leaf frame, panels on two sides of the frame and accessories. At present, the welding of the civil air defense door leaf mostly adopts simple manual positioning clamping and manual welding production modes in China, because the volume and the weight of the civil air defense door leaf are large, parts required to be spliced and welded are numerous, the whole positioning, clamping and welding workload is huge, the manual operation proportion is too large, operation workers can easily generate work fatigue, the production efficiency is low, the welding seam quality of manual welding is unstable, the welding deformation of a workpiece is not easy to control, the product qualification rate is influenced, and the difficulty in subsequent workpiece correction is increased.

In order to improve the production efficiency of civil air defense door leaves and stabilize the product quality, an automatic welding production line of the civil air defense door leaves is designed, various automatic designs are adopted to replace manual operation, and a welding robot is adopted to finish the main welding work of the civil air defense door leaves, so that the production efficiency is improved, the product quality is stabilized and improved, meanwhile, the labor condition of an operator is improved, and the production period is shortened; and the automatic welding production line of the civil air defense door leaf can be used for automatically welding various civil air defense door leaves with different sizes and specifications, is favorable for realizing flexible production, can reduce the production floor area, reduces the production cost and ensures the production balance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic welding production line of people's air defense door leaf, it adopts multiple automated design to replace manual operation to adopt welding robot to accomplish the main weldment work of people's air defense door leaf, can be used to carry out automatic weld to the people's air defense door leaf of multiple not equidimension specification moreover.

The utility model discloses the concrete technical scheme who takes as follows:

an automatic welding production line for a civil air defense door leaf is sequentially provided with a frame assembling station, three robot welding stations and an auxiliary welding station from front to back, wherein the frame assembling station is provided with a frame assembling platform, the three robot welding stations and the auxiliary welding station are respectively provided with a welding working platform, the frame assembling platform and the four welding working platforms are transversely arranged in a row from front to back at intervals, the left side and the right side of the four welding working platforms are provided with parallel tracks, and two gantry robot systems capable of walking and positioning along the tracks are spanned on the tracks; the gantry robot system is provided with a gantry spanning frame, two gantry upright columns of the gantry spanning frame are connected with a track through a walking base with power, a control box and a control platform are arranged beside the gantry upright columns, and two arc welding robots which can longitudinally move along a gantry cross beam and can freely extend from a welding arm to the lower part of the gantry cross beam in multiple dimensions are erected on the gantry cross beam of the gantry spanning frame.

The frame assembly platform is provided with a rectangular platform type base, and a plurality of T-shaped grooves which are transversely arranged in parallel are formed in the table surface of the base; the rear side of the base table-board is fixedly provided with rear positioning and clamping components which are longitudinally arranged, the middle part of the base table-board is provided with a plurality of middle positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove, the number of the middle positioning and clamping components corresponds to the number of longitudinal I-shaped steel inside the civil air defense door leaf frame, and the front side of the base table-board is provided with front positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove.

The rear positioning and clamping component is provided with a longitudinal strip-shaped rear fixing bottom plate fixedly arranged on the rear side of the base table-board; a channel steel fixed end positioning and clamping device is fixedly arranged at the left side of the rear fixed bottom plate, a left rear supporting plate is arranged on the channel steel fixed end positioning and clamping device, channel steel positioning baffles are arranged on the left side and the rear side of the left rear supporting plate, and a pneumatic top surface pressing mechanism with a pressure head facing downwards and a manual control handle is erected on the left side of the left rear supporting plate, wherein a swing arm extends above the left rear supporting plate; the middle part of the rear fixed bottom plate is provided with a plurality of rear channel steel positioning and clamping devices which can slide longitudinally along the plate body of the rear fixed bottom plate, the rear channel steel positioning and clamping devices are provided with a middle rear sliding seat which is connected with the rear fixed bottom plate in a sliding way and can be locked, the middle part of the top surface of the middle rear sliding seat is provided with a middle rear supporting plate, the rear side of the middle rear supporting plate is provided with a channel steel positioning baffle plate, the front side frame of the middle rear sliding seat on the middle rear supporting plate is provided with a large push cylinder with a backward push head, and the rear side of the middle rear supporting plate on the middle rear sliding seat is also provided with a pneumatic top surface pressing mechanism with a downward push head and a swing arm extending above the middle rear supporting plate; the back PMKD installs the channel-section steel expansion end positioning and clamping device that can follow its board body longitudinal sliding in the position on right side, channel-section steel expansion end positioning and clamping device be equipped with back PMKD sliding connection and lockable right back slide, the top surface mid-mounting of right back slide has right back layer board, the rear side of right back layer board is equipped with channel-section steel positioning baffle, right back slide has still erect the swing arm in the rear side of right back layer board and has extended right back layer board top and pressure head pneumatic top surface hold-down mechanism down, the right back slide has erect in the right side of right back layer board and has had the small push cylinder that the head of pushing towards left and have the manual control handle.

The middle positioning and clamping component is provided with a longitudinal long-strip-shaped middle movable bottom plate which can transversely slide in the middle of the table top of the base, and the middle movable bottom plate is connected in a T-shaped groove of the base in a sliding manner through a T-shaped sliding rail on the bottom surface of the middle movable bottom plate and is locked in position through a tension screw; a fixed positioning and clamping device is fixedly arranged at the left side of the middle movable bottom plate, the fixed positioning and clamping device is provided with a left middle supporting plate, the left side of the left middle supporting plate is provided with a channel steel positioning baffle, the left side of the left middle supporting plate is also provided with a pneumatic top surface pressing mechanism, the swing arm extends above the left middle supporting plate, a pressure head of the pneumatic top surface pressing mechanism faces downwards, and the pneumatic top surface pressing mechanism is provided with a manual control handle; the middle part of the middle movable bottom plate is provided with a plurality of I-steel positioning blocks which can slide along the longitudinal direction of the plate body, the bottoms of the I-steel positioning blocks adopt a sliding seat structure which is connected with the middle movable bottom plate in a sliding way and can be locked, the top surface of each I-steel positioning block is provided with a support platform, and the front side and the rear side of the table surface of the support platform are respectively provided with a crowbar jack and an I-steel positioning boss; the middle movable bottom plate is provided with a movable positioning and clamping device which can longitudinally slide along the plate body at the right side, the movable positioning and clamping device is provided with a right middle sliding seat which is slidably connected with the middle movable bottom plate and can be locked, the middle part of the top surface of the right middle sliding seat is provided with a right middle supporting plate, the right side of the right middle supporting plate of the right middle sliding seat is provided with a pneumatic top surface pressing mechanism of which the swing arm extends above the right middle supporting plate and the pressure head faces downwards, the right side of the right middle supporting plate of the right middle sliding seat is also provided with a small push cylinder of which the push head faces the left and is provided with a manual control handle, and the left side of the right middle supporting plate of the right middle sliding seat is provided with a right cylinder mounting position; in all the middle positioning and clamping components, a plurality of left air cylinder mounting positions are provided with large pushing air cylinders with pushing heads facing left, and a plurality of right air cylinder mounting positions are provided with large pushing air cylinders with pushing heads facing right.

Furthermore, the left and right I-steel positioning bosses on the rear side of the platform surface of the I-steel positioning block supporting platform are arranged, the left and right side edges of the transverse I-steel of the civil air defense door leaf frame are jointly positioned by the adjacent side edges of the two I-steel positioning bosses, and the rear side edge of the longitudinal I-steel of the civil air defense door leaf frame is positioned by the front edges of the two I-steel positioning bosses.

The front positioning and clamping component is provided with a longitudinal strip-shaped front movable bottom plate which can transversely slide on the front side of the table surface of the base, the front movable bottom plate is connected in a T-shaped groove of the base in a sliding manner through a T-shaped sliding rail on the bottom surface of the front movable bottom plate, and the position of the front movable bottom plate is locked through a tension screw; the left side of the front movable bottom plate is fixedly provided with a channel steel left front end positioning and clamping device, the channel steel left front end positioning and clamping device is provided with a fixed seat, the middle part of the top surface of the fixed seat is provided with a left front supporting plate, a rear side frame of the fixed seat on the left front supporting plate is provided with a large pushing cylinder with a forward pushing head, the front side frame of the fixed seat on the left front supporting plate is provided with a pneumatic top surface pressing mechanism with a swinging arm extending above the left front supporting plate and a downward pushing head, and the front side of the fixed seat on the left front supporting plate is also provided with a small pushing cylinder with a backward pushing head and a manual control handle; preceding movable bottom plate respectively installs one and can follow the preceding channel-section steel positioning and clamping device of its board body longitudinal sliding in the position of middle part and rear side, preceding channel-section steel positioning and clamping device be equipped with preceding movable bottom plate sliding connection and lockable preceding slide, the top surface mid-mounting of preceding slide has preceding layer board, preceding slide is equipped with the big push cylinder that the pusher is forward in the back side bearer of layer board in the front, preceding slide is equipped with the swing arm and extends preceding layer board top and the pneumatic top surface hold-down mechanism of pressure head down in the preceding side bearer of layer board in the front, preceding slide still erects the little push cylinder that the pusher is backward and have the manual control handle in the front side of layer board in the front.

The pneumatic top surface pressing mechanism is provided with a swing arm driven by a clamping cylinder, the tail end of the swing arm is provided with a pressure head extending downwards, and when the pressure head of the pneumatic top surface pressing mechanism presses downwards, profile steel supported on the supporting plate can be clamped from the top surface. Furthermore, an anti-collision baffle plate which stands upwards is arranged beside the pneumatic top surface pressing mechanism, so that the pneumatic top surface pressing mechanism is prevented from being damaged when a workpiece is hung.

The rear side of the base is also provided with a cylinder control module through a bracket, the cylinder control module is provided with a plurality of cylinder remote control handles which are arranged in a row, and each cylinder remote control handle respectively controls a group of pneumatic elements of the frame group to the platform synchronously. Furthermore, pneumatic top surface hold-down mechanism that is located base front side, rear side, left side, right side respectively is equipped with a cylinder remote control handle and carries out synchro control, and the big push cylinder that is located base front side, rear side, left side, right side respectively is equipped with a cylinder remote control handle and carries out synchro control, and the little push cylinder that is located base front side, right side respectively is equipped with a cylinder remote control handle and carries out synchro control.

Furthermore, the rail is provided with corresponding positioning pieces at positions corresponding to the welding stations so as to position the staying position of the gantry robot system at the welding stations.

This automatic welding production line of people's air defense door leaf has adopted multiple automated design to replace manual operation to adopt welding robot to accomplish people's air defense door leaf's main welding process, the overall arrangement and the part of each station choose for use rationally, and production efficiency is high, and product quality is stable, and workman's working condition is good, can shorten the production cycle of product. When the production line is used, firstly, the civil air defense door leaf frame is subjected to pairing splicing and positioning clamping at a frame pairing station, and is manually spot-welded into an integral frame, then, the civil air defense door leaf frame is hoisted to a robot welding station, the civil air defense door leaf frame is subjected to full welding by a gantry robot system, after panels of the civil air defense door leaf frame are manually laid and spot-welded, the panels are subjected to full welding by the gantry robot system, and then, the panels are hoisted to an auxiliary welding station to be subjected to supplementary welding of a steel pipe and a lock base backing plate; the three robot welding stations and the two gantry robot systems are matched for use, so that the welding work of a plurality of civil air defense door leaves can be simultaneously implemented on the production line according to different stages, and the production efficiency is improved. In addition, the frame assembly platform of the frame assembly station can adapt to the assembly of various civil air defense door leaf frames with different sizes by adjusting the positions of the movable parts, and the arc welding robot of the gantry robot system can match and weld the various civil air defense door leaves with different sizes according to the set welding program, so that the automatic welding production line for the civil air defense door leaves can be used for automatically welding the civil air defense door leaves with various sizes, the flexible production can be realized, the production floor area can be reduced, the production cost is reduced, and the production balance is ensured.

Drawings

Fig. 1 is a schematic diagram of the overall layout and equipment structure of an automatic welding production line for the self-defense door leaf.

Fig. 2 is a schematic diagram of the overall structure of the gantry robot system.

Fig. 3 is a schematic view of the overall structure of the frame assembly platform.

Fig. 4 is a schematic diagram of the civil air defense door leaf frame pairing of the platform using the frame pairing.

FIG. 5 is a schematic view of the frame assembly showing the rear locating and clamping elements of the platform.

Fig. 6 is a schematic view of a channel steel fixed end positioning and clamping device of a positioning and clamping component behind a platform by a frame assembly.

Fig. 7 is a schematic view of a rear channel steel positioning and clamping device of a rear positioning and clamping part of the frame assembly platform.

Fig. 8 is a schematic view of a positioning and clamping device for the movable end of the channel steel of the positioning and clamping component behind the platform by the frame assembly.

Figure 9 is a schematic view of the frame assembly centering the clamp member against the platform.

Fig. 10 is a schematic view of the fixed positioning and clamping device of the frame assembly to the platform middle positioning and clamping component.

FIG. 11 is a schematic view of a frame assembly showing an I-steel locating block for locating a clamping element in the middle of a platform.

Fig. 12 is a schematic view of the movable positioning and clamping device of the frame assembly to the middle positioning and clamping part of the platform.

Fig. 13 is a schematic view of the frame assembly with the forward locating and clamping elements of the platform.

Fig. 14 is a schematic view of a left front end positioning and clamping device of channel steel of a front positioning and clamping part of the platform by the frame assembly.

Fig. 15 is a schematic view of the front channel positioning and clamping device of the frame assembly for positioning and clamping the front part of the platform.

Fig. 16 is a schematic view of the civil air defense door frame after molding.

In the figure: 1-frame group pairing platform, 2-welding working platform, 3-rail, 4-gantry robot system, 5-gantry column, 6-walking base, 7-control box, 8-control platform, 9-gantry beam, 10-arc welding robot, 11-base, 12-T-shaped groove, 13-rear fixed bottom plate, 14-channel steel fixed end positioning and clamping device, 15-left rear supporting plate, 16-channel steel positioning baffle, 17-pneumatic top surface pressing mechanism, 18-rear channel steel positioning and clamping device, 19-middle rear sliding seat, 20-middle rear supporting plate, 21-large pushing cylinder, 22-channel steel movable end positioning and clamping device, 23-right rear sliding seat, 24-right rear supporting plate, 25-small pushing air cylinder, 26-middle movable bottom plate, 27-fixed positioning and clamping device, 28-left middle supporting plate, 29-left air cylinder installation position, 30-I-steel positioning block, 31-supporting table, 32-I-steel positioning boss, 33-crowbar jack, 34-movable positioning and clamping device, 35-right middle sliding seat, 36-right middle supporting plate, 37-right air cylinder installation position, 38-front movable bottom plate, 39-channel steel left front end positioning and clamping device, 40-fixed seat, 41-left front supporting plate, 42-front channel steel positioning and clamping device, 43-front sliding seat, 44-front supporting plate, 45-anti-collision baffle, 46-air cylinder control module and 47-air cylinder remote control handle.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, the directional terms of "front", "rear", "left", "right", "upper", "lower", "lateral", "longitudinal" are defined based on the directions or positional relationships shown in fig. 1 and 3 of the specification, and are only for convenience of description of the present invention, and do not refer to a specific direction that a device or element must have, and should not be considered as limiting the present invention.

As shown in fig. 1-2, the automatic welding production line for the self anti-door leaf is sequentially provided with a frame assembling station, three robot welding stations and an auxiliary welding station from front to back, wherein the frame assembling station is provided with a frame assembling platform 1, the three robot welding stations and the auxiliary welding station are respectively provided with a welding working platform 2, the frame assembling platform 1 and the four welding working platforms 2 are transversely arranged in a row from front to back at intervals, the left side and the right side of the four welding working platforms 2 are provided with parallel rails 3, and two gantry robot systems 4 capable of walking and positioning along the rails 3 are spanned on the rails 3; the gantry robot system 4 is provided with a gantry span frame, two gantry upright columns 5 of the gantry span frame are connected with a track 3 through a walking base 6 with power, a control box 7 and a control platform 8 are arranged beside the gantry upright columns 5, and two arc welding robots 10 which can longitudinally move along a gantry cross beam 9 and can freely extend towards multiple dimensions below the gantry cross beam 9 through welding arms are erected on a gantry cross beam 9 of the gantry span frame. And corresponding positioning pieces are arranged at the positions of the rails 3 corresponding to the welding stations so as to position the staying positions of the gantry robot system 4 at the welding stations.

As shown in fig. 3-4, the frame assembly platform is provided with a rectangular platform type base 11, and a plurality of T-shaped grooves 12 arranged in parallel in the transverse direction are formed on the table surface of the base 11; the rear side of the table top of the base 11 is fixedly provided with rear positioning and clamping components which are longitudinally arranged, the middle part of the table top of the base 11 is provided with a plurality of middle positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove 12, the number of the middle positioning and clamping components corresponds to the number of longitudinal I-shaped steel in the civil air defense door leaf frame, and the front side of the table top of the base 11 is provided with front positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove 12.

As shown in fig. 5-8, the rear positioning and clamping component is provided with a longitudinal elongated rear fixing bottom plate 13 fixedly installed at the rear side of the table-board of the base 11; a channel steel fixed end positioning and clamping device 14 is fixedly installed at the left side of the rear fixed bottom plate 13, the channel steel fixed end positioning and clamping device 14 is provided with a left rear supporting plate 15, channel steel positioning baffles 16 are arranged on the left side and the rear side of the left rear supporting plate 15, and a pneumatic top surface pressing mechanism 17 with a manual control handle, wherein a swing arm extends above the left rear supporting plate 15, and a pressure head faces downwards, is erected on the left side of the left rear supporting plate 15; a plurality of rear channel steel positioning and clamping devices 18 capable of longitudinally sliding along the plate body are installed at the middle position of the rear fixing bottom plate 13, the rear channel steel positioning and clamping devices 18 are provided with middle and rear sliding seats 19 which are connected with the rear fixing bottom plate 13 in a sliding mode and can be locked, a middle rear supporting plate 20 is installed in the middle of the top surface of the middle and rear sliding seats 19, a channel steel positioning baffle plate 16 is arranged on the rear side of the middle rear supporting plate 20, a large pushing cylinder 21 with a backward pushing head is arranged on the front side frame of the middle and rear supporting plates 20 of the middle and rear sliding seats 19, and a pneumatic top surface pressing mechanism 17 with a downward pushing head and a swinging arm extending above the middle and rear supporting plate 20 is further erected on the rear side of the middle and rear supporting plate 20 of the middle and rear supporting plates 19; the position on right side of back PMKD 13 is installed and is followed its board body longitudinal sliding's channel-section steel expansion end positioning and clamping device 22, channel-section steel expansion end positioning and clamping device 22 is equipped with and rear PMKD 13 sliding connection and lockable right back slide 23, and the top surface mid-mounting of right back slide 23 has right back layer board 24, and the rear side of right back layer board 24 is equipped with channel-section steel positioning baffle 16, and right back slide 23 has still erect the swing arm in the rear side of right back layer board 24 and has extended the pneumatic top surface hold-down mechanism 17 that right back layer board 24 top and pressure head down, and right back slide 23 has erect on the right side of right back layer board 24 and has pushed the head towards left and have the little actuating cylinder 25 of manual control handle.

As shown in fig. 9-12, the middle positioning and clamping component is provided with a longitudinal long-strip-shaped middle movable bottom plate 26 capable of sliding transversely in the middle of the table-board of the base 11, the middle movable bottom plate 26 is slidably connected in the T-shaped groove 12 of the base 11 through a T-shaped slide rail on the bottom surface of the middle movable bottom plate, and the position of the middle movable bottom plate is locked through a lag screw; a fixed positioning and clamping device 27 is fixedly arranged at the left side of the middle movable bottom plate 26, the fixed positioning and clamping device 27 is provided with a left middle supporting plate 28, the left side of the left middle supporting plate 28 is provided with a channel steel positioning baffle plate 16, the left side of the left middle supporting plate 28 is also provided with a pneumatic top surface pressing mechanism 17 which is provided with a manual control handle, a swing arm extends above the left middle supporting plate 28, a pressure head faces downwards, and the right side of the left middle supporting plate 28 is provided with a left air cylinder mounting position 29; a plurality of I-steel positioning blocks 30 capable of longitudinally sliding along the plate body are arranged at the middle part of the middle movable bottom plate 26, the bottoms of the I-steel positioning blocks 30 adopt sliding seat structures which are in sliding connection with the middle movable bottom plate 26 and can be locked, a supporting platform 31 is arranged on the top surface of each I-steel positioning block 30, the front side and the rear side of the table surface of the supporting platform 31 are respectively provided with a crowbar inserting hole 33 and I-steel positioning bosses 32, the left I-steel positioning bosses 32 and the right I-steel positioning bosses 32 are arranged on the left side and the right side, the edges of the adjacent sides of the two I-steel positioning bosses 32 jointly position the left side and the right side of the transverse I-steel of the civil air defense door leaf frame, and the front edges of the two I-steel positioning bosses 32 position the rear side edges of the longitudinal I-steel of the civil air defense door leaf frame; the right side of the middle movable bottom plate 26 is provided with a movable positioning and clamping device 34 which can longitudinally slide along the plate body, the movable positioning and clamping device 34 is provided with a right middle sliding seat 35 which is slidably connected with the middle movable bottom plate 26 and can be locked, the middle part of the top surface of the right middle sliding seat 35 is provided with a right middle supporting plate 36, the right middle sliding seat 35 is provided with a pneumatic top surface pressing mechanism 17 which has a swinging arm extending above the right middle supporting plate 36 and a downward pressure head at the right side of the right middle supporting plate 36, the right middle sliding seat 35 is also provided with a small pushing cylinder 25 which has a pushing head facing the left and is provided with a manual control handle at the right side of the right middle supporting plate 36, and the right middle sliding seat 35 is provided with a right cylinder mounting position 37 at the left side of the right middle supporting plate 36; among all the middle positioning and clamping components, a plurality of left air cylinder mounting positions 29 are provided with large pushing air cylinders 21 with pushing heads facing left, and a plurality of right air cylinder mounting positions 37 are provided with large pushing air cylinders 21 with pushing heads facing right.

As shown in fig. 13-15, the front positioning and clamping component is provided with a longitudinal strip-shaped front movable bottom plate 38 capable of sliding transversely on the front side of the table top of the base 11, the front movable bottom plate 38 is slidably connected in the T-shaped groove 12 of the base 11 through a T-shaped slide rail on the bottom surface of the front movable bottom plate and is locked in position through a tension screw; a channel steel left front end positioning and clamping device 39 is fixedly installed at the left side of the front movable bottom plate 38, the channel steel left front end positioning and clamping device 39 is provided with a fixed seat 40, a left front supporting plate 41 is installed in the middle of the top surface of the fixed seat 40, a large pushing cylinder 21 with a forward pushing head is arranged on a rear side frame of the left front supporting plate 41 of the fixed seat 40, a pneumatic top surface pressing mechanism 17 with a swinging arm extending above the left front supporting plate 41 and a downward pushing head is arranged on a front side frame of the left front supporting plate 41 of the fixed seat 40, and a small pushing cylinder 25 with a backward pushing head and a manual control handle is further erected on the front side of the left front supporting plate 41 of the fixed seat 40; the front movable bottom plate 38 is respectively provided with a front channel steel positioning and clamping device 42 which can longitudinally slide along the plate body at the middle part and the right side, the front channel steel positioning and clamping device 42 is provided with a front sliding seat 43 which is connected with the front movable bottom plate 38 in a sliding way and can be locked, the middle part of the top surface of the front sliding seat 43 is provided with a front supporting plate 44, the rear side frame of the front sliding seat 43 on the front supporting plate 44 is provided with a large push cylinder 21 with a forward push head, the front side frame of the front sliding seat 43 on the front supporting plate 44 is provided with a pneumatic top surface pressing mechanism 17 with a swing arm extending above the front supporting plate 44 and a downward push head, and the front sliding seat 43 is also provided with a small push cylinder 25 with a backward push head and a manual control handle at the front side of the front supporting plate 44.

The pneumatic top surface pressing mechanism 17 is provided with a swing arm driven by a clamping cylinder, the tail end of the swing arm is provided with a pressure head extending downwards, and when the pressure head of the pneumatic top surface pressing mechanism 17 is pressed downwards, the profile steel supported on the supporting plate can be clamped from the top surface. An anti-collision baffle 45 standing upwards is further arranged beside the pneumatic top surface pressing mechanism 17 to prevent the pneumatic top surface pressing mechanism 17 from being damaged when a workpiece is hung.

As shown in fig. 3-4, a cylinder control module 46 is further mounted on the rear side of the base 11 through a bracket, the cylinder control module 46 is provided with a plurality of cylinder remote control handles 47 arranged in a row, and each cylinder remote control handle 47 respectively controls a group of pneumatic elements of the frame assembly to the platform synchronously. Further, the pneumatic top surface pressing mechanisms 17 on the front side, the rear side, the left side and the right side of the base 11 are respectively provided with a cylinder remote control handle 47 for synchronous control, the large pushing cylinders 21 on the front side, the rear side, the left side and the right side of the base 11 are respectively provided with a cylinder remote control handle 47 for synchronous control, and the small pushing cylinders 25 on the front side and the right side of the base 11 are respectively provided with a cylinder remote control handle 47 for synchronous control.

The technological process for welding the civil air defense door leaf by using the automatic welding production line for the civil air defense door leaf comprises the following steps:

(1) And the frame assembly station uses the frame assembly platform 1 to assemble the civil air defense door leaf frame and splice the civil air defense door leaf frame into a whole through manual spot welding. The civil air defense door leaf frame is a rectangular grid-shaped frame formed by assembling and welding a plurality of sections of section steel, wherein the peripheral frames are formed by splicing two transverse channel steel and two longitudinal channel steel with inward openings, and the internal grids are formed by splicing long-strip longitudinal I-shaped steel and short-strip transverse I-shaped steel in a longitudinal and transverse mode, as shown in fig. 16.

(2) And the civil air defense door leaf frame is hoisted to any one idle welding work platform 2 in the three robot welding stations to be horizontally placed.

(3) And (3) enabling the gantry robot system 4 to move to a corresponding robot welding station along the rail 3 for fixing, and fully welding the civil air defense door leaf frame by an arc welding robot 10 on the gantry robot system 4 according to a set automatic welding program.

(4) And paving the outer panel on the welding working platform 2, determining the relative position of the outer panel and the civil air defense door leaf frame, and hanging the fully welded civil air defense door leaf frame to the outer panel by manual operation to be horizontally placed according to the corresponding position.

(5) And welding the inner sides of the civil air defense door leaf frame and the outer panel by an arc welding robot 10 on the gantry robot system 4 according to a set automatic welding program.

(6) And manually laying an inner panel on the upper side of the civil air defense door leaf frame, fixing the inner panel through spot welding, and manually embedding the inner panel into the upper side of the inner panel to be assembled and fixed through spot welding.

(7) And the inner panel and the door frame hole are subjected to plug welding by an arc welding robot 10 on the gantry robot system 4 according to a set automatic welding program, the splicing seams and the periphery of the inner panel are subjected to full welding, and the embedded edges on the upper side of the inner panel are welded.

(8) And driving the gantry robot system 4 away from the robot welding station, and turning over the civil air defense door leaf frame on the welding work platform 2 by manually matching with the crane operation, so that the outer panel of the civil air defense door leaf frame is horizontally placed on the welding work platform 2 upwards.

(9) And the gantry robot system 4 is driven back to the original robot welding station for fixing, and the arc welding robot 10 on the gantry robot system 4 performs full welding on the abutted seams and the periphery of the outer panel according to the set automatic welding program.

(10) And the gantry robot system 4 is driven away from the robot welding station, the civil air defense door leaf is lifted to the welding working platform 2 of the auxiliary welding station to be horizontally placed, and the steel pipe and the lock base plate are additionally welded at the position.

In the step (1), the method for splicing the civil air defense door leaf frame by using the frame assembly platform 1 assembly comprises the following steps:

1) According to the size and specification of the civil air defense door leaf frame and the longitudinal and transverse positions of the internal I-shaped steel, the positions of a front positioning and clamping part and a middle positioning and clamping part on the base are adjusted and locked, the position of a front channel steel positioning and clamping device 42 on the front positioning and clamping part is adjusted and locked, the positions of an I-shaped steel positioning block 30 and a movable positioning and clamping device 34 on the middle positioning and clamping part are adjusted and locked, and the positions of a rear channel steel positioning and clamping device 18 and a channel steel movable end positioning and clamping device 22 on the rear positioning and clamping part are adjusted and locked.

2) Placing the left transverse channel steel, manually controlling the small pushing cylinder 25 of the left front end positioning and clamping device 39 of the channel steel to push backwards to enable the left transverse channel steel to push backwards against the channel steel positioning baffle 16 on the rear side to realize transverse positioning, and manually returning the small pushing cylinder 25 after the positioning is finished; then, a large pushing cylinder 21 on the left side of the base 11 is operated to push leftwards at the same time, so that the left transverse channel steel is pressed leftwards on the channel steel positioning baffle 16 on the left side, and longitudinal positioning is realized.

3) After the longitudinal channel steel is placed, a small pushing cylinder 25 of a positioning and clamping device 22 at the movable end of the channel steel is manually controlled to push leftwards, so that the rear longitudinal channel steel is pressed leftwards on a channel steel positioning baffle 16 on the left side, longitudinal positioning is realized, and the small pushing cylinder 25 is manually retracted after the positioning is finished; then, a large pushing cylinder 21 on the rear side of the base 11 is operated to push backwards at the same time, so that the rear longitudinal channel steel is pressed backwards against a channel steel positioning baffle 16 on the rear side, and transverse positioning is realized; then, a pneumatic top surface pressing mechanism 17 on the rear side of the base 11 is operated to press downwards at the same time, and the rear longitudinal channel steel is clamped; and then, the pneumatic top pressing mechanism 17 of the channel steel fixed end positioning and clamping device 14 is manually controlled to press down, and meanwhile, the rear end of the left transverse channel steel and the left end of the rear longitudinal channel steel are clamped.

4) Placing a first group of transverse H-beams and a first longitudinal H-beam at the rear side, manually controlling a small pushing cylinder 25 of a movable positioning and clamping device 34 to push leftwards, so that the longitudinal H-beam is pushed leftwards and pressed on the inner side edge of a left transverse channel steel to realize longitudinal positioning, and manually returning the small pushing cylinder 25 after the positioning is finished; then, a crowbar is inserted into a crowbar inserting hole 33 of each I-shaped steel positioning block 30, and the longitudinal I-shaped steel is pried to move backwards, so that the longitudinal I-shaped steel and the first group of transverse I-shaped steel are compacted to realize transverse positioning; and then the pneumatic top surface pressing mechanism 17 of the fixed positioning and clamping device 27 is manually controlled to press downwards, and simultaneously the left ends of the left transverse channel steel and the first longitudinal I-shaped steel are clamped.

5) And sequentially placing, positioning and clamping the subsequent transverse I-shaped steel and longitudinal I-shaped steel from back to front according to the method in the step 4).

6) Placing a group of transverse I-shaped steel and front longitudinal channel steel on the foremost side, firstly operating a large pushing cylinder 21 on the front side of a base 11 and simultaneously extending forwards to position the inner edge of the front longitudinal channel steel; then, a small pushing cylinder 25 on the front side of the base 11 is operated to push backwards at the same time, so that the front longitudinal channel steel is transversely positioned, and the small pushing cylinder 25 is manually retracted after the positioning is finished.

7) Placing the right transverse channel steel, manually controlling the small pushing cylinder 25 of the right front channel steel positioning and clamping device 42 to push backwards to enable the right transverse channel steel to be pressed backwards against the channel steel positioning baffle 16 on the rear side to realize transverse positioning, and manually returning the small pushing cylinder 25 after the positioning is finished; a large pushing cylinder 21 on the right side of the control base 11 extends rightwards at the same time to position the inner edge of the right transverse channel steel; then, a small pushing cylinder 25 on the right side of the base 11 is operated to push leftwards at the same time, so that longitudinal positioning of the right transverse channel steel is realized, and longitudinal positioning of the front longitudinal channel steel is realized; then, the pneumatic top pressing mechanism 17 on the right side of the base 11 is operated to press down at the same time, and the right ends of the right transverse channel steel and the right ends of the longitudinal I-shaped steel are clamped; and then, the pneumatic top surface pressing mechanism 17 on the front side of the base 11 is operated to press down simultaneously to clamp the front longitudinal channel steel, so that the positioning and clamping of all the section steel to be welded can be completed.

8) And the section steel which is positioned and clamped on the frame assembly platform 1 is spliced into an integral frame in a manual spot welding mode.

The above-mentioned drawings are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications or equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (8)

1. The automatic welding production line for the civil air defense door leaf is characterized in that a frame assembling station, three robot welding stations and an auxiliary welding station are sequentially arranged from front to back, wherein the frame assembling station is provided with a frame assembling platform, the three robot welding stations and the auxiliary welding station are respectively provided with a welding working platform, the frame assembling platform and the four welding working platforms are transversely arranged in a row from front to back at intervals, tracks which are arranged in parallel are arranged on the left side and the right side of the four welding working platforms, and two gantry robot systems which can walk along the tracks and can be positioned are spanned on the tracks; the gantry robot system is provided with a gantry span frame, two gantry upright columns of the gantry span frame are connected with a track through a walking base with power, a control box and an operation platform are arranged beside the gantry upright columns, and two arc welding robots which can move longitudinally along a gantry cross beam and can freely extend in multiple dimensions from a welding arm to the lower part of the gantry cross beam are erected on a gantry cross beam of the gantry span frame;

the frame assembly platform is provided with a rectangular platform type base, and a plurality of T-shaped grooves which are transversely arranged in parallel are formed in the table surface of the base; the rear side of the base table board is fixedly provided with rear positioning and clamping components which are longitudinally arranged, the middle part of the base table board is provided with a plurality of middle positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove, the number of the middle positioning and clamping components corresponds to the number of longitudinal I-shaped steel inside the civil air defense door leaf frame, and the front side of the base table board is provided with front positioning and clamping components which are longitudinally arranged and can transversely slide along the whole T-shaped groove.

2. The civil air defense door leaf automatic welding production line according to claim 1, wherein the rear positioning and clamping part is provided with a longitudinal long strip-shaped rear fixing bottom plate fixedly arranged on the rear side of the base table-board; a channel steel fixed end positioning and clamping device is fixedly installed at the left side of the rear fixing bottom plate, a left rear supporting plate is arranged on the channel steel fixed end positioning and clamping device, channel steel positioning baffle plates are arranged on the left side and the rear side of the left rear supporting plate, and a pneumatic top surface pressing mechanism with a manual control handle, wherein a swing arm extends above the left rear supporting plate and a pressing head faces downwards, is erected on the left side of the left rear supporting plate; the middle part of the rear fixed bottom plate is provided with a plurality of rear channel steel positioning and clamping devices which can longitudinally slide along the plate body of the rear fixed bottom plate, each rear channel steel positioning and clamping device is provided with a middle rear sliding seat which is connected with the rear fixed bottom plate in a sliding way and can be locked, the middle part of the top surface of each middle rear sliding seat is provided with a middle rear supporting plate, the rear side of each middle rear supporting plate is provided with a channel steel positioning baffle plate, the front side frame of each middle rear sliding seat on each middle rear supporting plate is provided with a large push cylinder with a backward push head, and the rear side of each middle rear sliding seat on each middle rear supporting plate is also provided with a pneumatic top surface pressing mechanism with a downward push head and a swing arm extending above the middle rear supporting plate; the rear fixing bottom plate is provided with a channel steel movable end positioning and clamping device which can longitudinally slide along the plate body at the right side, the channel steel movable end positioning and clamping device is provided with a right rear sliding seat which is connected with the rear fixing bottom plate in a sliding manner and can be locked, the middle part of the top surface of the right rear sliding seat is provided with a right rear supporting plate, the rear side of the right rear supporting plate is provided with a channel steel positioning baffle plate, the rear side of the right rear sliding seat is also provided with a pneumatic top surface pressing mechanism which is provided with a swinging arm extending to the upper part of the right rear supporting plate and a pressing head facing downwards, and the right side of the right rear supporting plate is provided with a small pushing cylinder which is provided with a manual control handle and has a pushing head facing left;

the middle positioning and clamping component is provided with a longitudinal long-strip-shaped middle movable bottom plate which can transversely slide in the middle of the table top of the base, and the middle movable bottom plate is connected in a T-shaped groove of the base in a sliding manner through a T-shaped sliding rail on the bottom surface of the middle movable bottom plate and is locked in position through a tension screw; a fixed positioning and clamping device is fixedly arranged at the left side of the middle movable bottom plate, the fixed positioning and clamping device is provided with a left middle supporting plate, the left side of the left middle supporting plate is provided with a channel steel positioning baffle, the left side of the left middle supporting plate is also provided with a pneumatic top surface pressing mechanism which is provided with a manual control handle, a swing arm extends above the left middle supporting plate, a pressure head faces downwards, and the right side of the left middle supporting plate is provided with a left air cylinder mounting position; the middle part of the middle movable bottom plate is provided with a plurality of I-steel positioning blocks which can slide along the longitudinal direction of the plate body, the bottoms of the I-steel positioning blocks adopt a sliding seat structure which is connected with the middle movable bottom plate in a sliding way and can be locked, the top surface of each I-steel positioning block is provided with a supporting platform, and the front side and the rear side of the platform surface of the supporting platform are respectively provided with a crowbar jack and an I-steel positioning boss; the middle movable bottom plate is provided with a movable positioning and clamping device which can slide longitudinally along the plate body, the movable positioning and clamping device is provided with a right middle sliding seat which is connected with the middle movable bottom plate in a sliding way and can be locked, the middle part of the top surface of the right middle sliding seat is provided with a right middle supporting plate, the right middle sliding seat is provided with a pneumatic top surface pressing mechanism of which the swing arm extends above the right middle supporting plate and the pressure head faces downwards on the right side of the right middle supporting plate in an erecting way, the right middle sliding seat is also provided with a small pushing cylinder of which the pushing head faces to the left and is provided with a manual control handle on the right side of the right middle supporting plate in an erecting way, and the right middle sliding seat is provided with a right cylinder mounting position on the left side of the right middle supporting plate in a erecting way; in all the middle positioning and clamping components, a plurality of left cylinder mounting positions are provided with large pushing cylinders with pushing heads facing left, and a plurality of right cylinder mounting positions are provided with large pushing cylinders with pushing heads facing right;

the front positioning and clamping component is provided with a longitudinal strip-shaped front movable bottom plate which can transversely slide on the front side of the table surface of the base, the front movable bottom plate is connected in a T-shaped groove of the base in a sliding manner through a T-shaped sliding rail on the bottom surface of the front movable bottom plate, and the position of the front movable bottom plate is locked through a tension screw; the left side of the front movable bottom plate is fixedly provided with a channel steel left front end positioning and clamping device, the channel steel left front end positioning and clamping device is provided with a fixed seat, the middle part of the top surface of the fixed seat is provided with a left front supporting plate, a large pushing cylinder with a forward pushing head is arranged on a rear side frame of the left front supporting plate of the fixed seat, a pneumatic top surface pressing mechanism with a downward pushing head is arranged on the front side frame of the left front supporting plate of the fixed seat, a swinging arm extends above the left front supporting plate, and a small pushing cylinder with a backward pushing head and a manual control handle is further erected on the front side of the left front supporting plate of the fixed seat; preceding movable bottom plate respectively installs a preceding channel-section steel positioning and clamping device that can follow its board body longitudinal sliding in the position of middle part and rear side, preceding channel-section steel positioning and clamping device be equipped with preceding movable bottom plate sliding connection and lockable preceding slide, the top surface mid-mounting of preceding slide has preceding layer board, preceding slide is equipped with the big push cylinder that pushes away the head forward at the rear side frame of layer board in the front, preceding slide is equipped with the swing arm and extends preceding layer board top and the pneumatic top surface hold-down mechanism that the pressure head is down in the preceding side frame of layer board in the front, preceding slide still erects the little push cylinder that pushes away the head and face backward and have the manual control handle in the front side of layer board in the front.

3. The automatic welding production line for the civil air defense door leaves as claimed in claim 2, wherein the I-steel positioning bosses on the rear side of the platform surface of the I-steel positioning block supporting platform are provided with a left I-steel positioning boss and a right I-steel positioning boss, the adjacent edges of the two I-steel positioning bosses are used for positioning the left side edge and the right side edge of the transverse I-steel of the civil air defense door leaf frame together, and the front edges of the two I-steel positioning bosses are used for positioning the rear side edge of the longitudinal I-steel of the civil air defense door leaf frame.

4. The automatic welding production line for the civil air defense door leaves as claimed in claim 2, wherein the pneumatic top surface pressing mechanism is provided with a swing arm driven by a clamping cylinder, and the tail end of the swing arm is provided with a pressure head extending downwards.

5. The automatic welding production line for the civil air defense door leaves as claimed in claim 2, wherein an upward-standing anti-collision baffle is arranged beside the pneumatic top surface pressing mechanism.

6. The automatic welding production line for the civil air defense door leaves as claimed in claim 2, wherein a cylinder control module is further erected on the rear side of the base through a support frame, the cylinder control module is provided with a plurality of cylinder remote control handles arranged in a row, and each cylinder remote control handle respectively controls a group of pneumatic elements of the civil air defense door leaf frame assembly platform synchronously.

7. The automatic welding production line for the civil air defense door leaves as claimed in claim 6, wherein the pneumatic top surface pressing mechanisms at the front side, the rear side, the left side and the right side of the base are respectively provided with a cylinder remote control handle for synchronous control, the large pushing cylinders at the front side, the rear side, the left side and the right side of the base are respectively provided with a cylinder remote control handle for synchronous control, and the small pushing cylinders at the front side and the right side of the base are respectively provided with a cylinder remote control handle for synchronous control.

8. The automatic welding production line for the civil air defense door leaves as claimed in claim 1, wherein the rails are provided with corresponding positioning pieces at positions corresponding to the welding stations.

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