CN117464292B - Automatic welding equipment for guardrail net forming processing - Google Patents

Abstract

The invention relates to the technical field of welding processing equipment, and particularly provides automatic welding equipment for guardrail net forming processing; the device comprises a workbench for horizontally placing the guardrail net, wherein a clamping and positioning mechanism for clamping the guardrail net and a welding mechanism for welding the guardrail net are assembled on the workbench; the equipment provided by the invention can realize synchronous positioning and clamping of the net frame and the net sheet through the clamping and positioning mechanism, realize automatic positioning and centering of the net sheet relative to the net frame, can perform stable welding by matching with the welding mechanism, avoid welding displacement, and can perform point-by-point accurate welding on each lap joint position between the net sheet and the net frame by matching with the welding mechanism so as to facilitate automatic welding, and the welding mechanism can replace manual implementation to realize automatic section-by-section point-by-point welding on the basis of positioning and clamping of the clamping and positioning mechanism, thereby greatly improving the welding efficiency, reducing the labor intensity of manual operation and avoiding the trouble of manual simple repeated welding operation.

Description

Automatic welding equipment for guardrail net forming processing

Technical Field

The invention relates to the technical field of welding processing equipment, and particularly provides automatic welding equipment for guardrail net forming processing.

Background

The fence net is a grid fence which is generally used in places such as highways, railways, airports, gardens or farms and has the functions of regional isolation, protection and the like, and is generally composed of rectangular net frames and net sheets welded and packaged on the net frames in a corresponding size, wherein the net frames are generally formed by welding rectangular steel pipes according to a certain size, the net sheets are generally woven by steel wires or are metal net sheets formed by welding steel wires according to a warp-weft distribution mode, and the net frames and the net sheets are basically formed by processing according to a certain standard.

In the process of the shaping processing of guardrail net, relate to the welding between net frame and the net piece, in the current course of working, adopt the manual work to weld the shaping basically, adopt manual welding mainly to have following problem: 1) Before welding, the mesh piece needs to be approximately guaranteed to be centered and aligned relative to the frame opening of the mesh frame, so that during actual operation, the mesh frame needs to be positioned and placed at first, then the mesh piece needs to be centered and placed on the mesh frame based on the mesh frame, and manual confirmation is needed before each welding, which is troublesome.

2) In the welding process, as the net sheet is lapped on the net frame through the plurality of steel wire heads, each steel wire lap joint needs to be welded, the number of welding points is large, and the welding is basically carried out in a one-by-one welding mode, so that the omission of the welding points is avoided; therefore, a large number of repeated welding operations need to be performed at the time of welding, and the welding efficiency is greatly affected by human factors.

3) In the welding process, in order to avoid the formation of cold joint at the lap joint of net piece and net frame, consequently before welding every overlap joint, all need the manual pressure overlap joint of manual with the help of pressing tool to guarantee that overlap joint and net frame form effective pressure and touch, the operation is also comparatively troublesome and laborious.

Disclosure of Invention

In order to solve the problems, the invention provides an automatic welding device for forming and processing a guardrail net, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: the utility model provides an automatic weld equipment is used in guardrail net shaping processing, is including the workstation that is used for lying down to place the guardrail net, be equipped with on the workstation and be used for the tight clamping positioning mechanism of guardrail net and be used for guardrail net welded welding mechanism.

The clamping and positioning mechanism comprises a driving assembly assembled at the lower end of the table top of the workbench, the driving assembly comprises two travel blocks which are reversely and horizontally driven, two net frame clamping components for clamping and fixing net frames in a matched mode are assembled on the two travel blocks in a one-to-one correspondence mode, two net sheet clamping components for clamping net sheets in a matched mode are also assembled on the two travel blocks in a one-to-one correspondence mode, and the two net frame clamping components and the two net sheet clamping components are horizontally and symmetrically arranged in the moving direction of the travel blocks; the screen frame clamping component comprises a leaning clamping plate and side clamping components, wherein the leaning clamping plate is fixed on the stroke block and used for clamping one side of the screen frame, and the side clamping components are symmetrically arranged at two ends of the leaning clamping plate in the length direction and used for clamping the other two adjacent sides; the net clamping part comprises a plurality of groups of clamping blocks which extend into the meshes and are used for clamping the net.

The welding mechanism comprises a moving rack, wherein the moving rack comprises two longitudinal moving racks which are fixed on a workbench and used for providing horizontal longitudinal movement, a transverse moving rack which moves along the horizontal longitudinal direction and is used for providing horizontal transverse movement is arranged between the two longitudinal moving racks, two electric sliding blocks which move along the horizontal transverse direction are arranged on the transverse moving rack, and the moving direction of the electric sliding blocks is parallel to the moving direction of the travel blocks; and the bottom ends of the two electric sliding blocks are respectively provided with a welding execution part correspondingly, and the two welding execution parts are symmetrically arranged in the transverse moving direction.

Preferably, the welding execution part comprises a reversing motor fixed at the bottom end of the electric sliding block, a reversing plate which is horizontally fixed on an output shaft of the reversing motor and rotates and transposes vertically along with the reversing motor, a vertical cylinder is fixed on the top end surface of the reversing plate, an L-shaped plate is arranged below the reversing plate, a horizontal plate of the L-shaped plate is fixed at the output end of the vertical cylinder, a horizontal cylinder is fixed on the vertical plate of the L-shaped plate, a movable frame is fixed at the output end of the horizontal cylinder, and a welding gun and a pressing part which provides vertical elastic force for pressing down are assembled on the movable frame.

Preferably, the two ends of the clamping plate in the length direction are symmetrically provided with sliding rails which slide along the length direction, and the two side clamping assemblies are assembled at the sliding rails at the two sides in a one-to-one correspondence manner; the side clamp assembly comprises a sliding guide plate which is installed on a sliding rail in a sliding fit manner, a reset spring is arranged in the sliding rail, two ends of the reset spring are respectively connected to the inner end face of the sliding rail and the side wall of the sliding guide plate, a side clamping plate is arranged on one side, facing the other side clamp assembly, of the sliding guide plate, the side clamping plate is arranged vertically opposite to the leaning clamping plate, the side clamping plate is elastically and slidably installed on the sliding guide plate along the sliding rail direction, a roller is vertically and rotatably installed on the sliding guide plate, a wedge block which is matched with the side clamp assembly is fixed on the workbench, and the roller is in rolling contact with the inclined plane of the wedge block; when the two net frame clamping parts move towards each other, the two side clamping plates in the net frame clamping parts synchronously move towards each other.

Preferably, the mesh clamping part further comprises a sliding substrate which is slidably arranged at the bottom end of the table top of the workbench along the moving direction of the travel block, and the sliding substrate is elastically connected to the travel block; at least one group of limiting components for limiting the sliding travel of the sliding base plate is arranged between the sliding base plate and the bottom end of the table top of the workbench; the clamping plates are fixed on the upper end face of the sliding substrate and penetrate through the upper portion of the table top of the workbench.

Preferably, the limiting component comprises a plug rod fixed on the sliding substrate and a limiting block fixed at the bottom end of the table top, the plug rod is vertically arranged relative to the sliding direction of the sliding substrate, a limiting jack in an extension hole shape is formed in the limiting block, the length of the limiting jack extends in the sliding direction of the sliding substrate, and the plug rod is inserted into the limiting jack.

Preferably, a plurality of sliding grooves are distributed at the bottom end of the table top along the moving direction perpendicular to the travel block, the sliding grooves extend along the moving direction of the travel block, a plurality of travel windows which are correspondingly and vertically communicated with the sliding grooves are downwards formed at the upper end of the table top, a plurality of sliding strips which are correspondingly and slidably matched with the sliding grooves are fixed on the upper end face of the sliding substrate, a plurality of groups of clamping blocks are correspondingly and fixedly arranged on the sliding strips, and the clamping blocks extend upwards from the travel windows at corresponding positions.

Preferably, the pressing component comprises a square guide post vertically and slidably arranged on the movable frame, a pressure spring is sleeved on the square guide post, two ends of the pressure spring are respectively fixed on the top end of the square guide post and the movable frame, a roller frame is fixed at the bottom end of the square guide post, a pressing roller is horizontally and rotatably arranged on the roller frame, and a central shaft of the pressing roller is vertically arranged relative to the moving direction of the movable frame.

Preferably, the sliding guide plate is provided with a plurality of spring holes extending along the sliding direction, guide rods are installed in the spring holes in an axially sliding fit manner, the side clamping plates are fixed on the guide rods, side clamping springs are sleeved on the guide rods and extend into the spring holes, and two ends of each side clamping spring are respectively fixed on the side clamping plates and the inner end surfaces of the spring holes.

The technical scheme has the following advantages or beneficial effects: the invention provides automatic welding equipment for guardrail net forming processing, which can realize synchronous positioning and clamping of a net frame and a net sheet through the arranged clamping and positioning mechanism, realize automatic positioning and centering of the net sheet relative to the net frame, does not need manual centering operation, can be matched with the arranged welding mechanism to perform stable welding, avoid welding displacement, and can be matched with the welding mechanism to accurately weld each lap joint position between the net sheet and the net frame point by point so as to facilitate automatic welding.

Drawings

The invention and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout the several views, and are not intended to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of an automatic welding device for forming and processing a guardrail net in a processing state.

Fig. 2 is a side view of the automatic welding equipment for forming and processing the guardrail net, provided by the invention, in a processing state.

Fig. 3 is a schematic perspective view of the clamping and positioning mechanism assembled on the workbench.

Fig. 4 is a partial enlarged view at a in fig. 3.

Fig. 5 is a perspective view of the mechanism of fig. 3 from another perspective.

Fig. 6 is a view showing an operation state in which the barrier net is clamped and placed on the work table by the clamping and positioning mechanism.

Fig. 7 is a perspective view of a welding actuator.

Fig. 8 is a side view of a weld performing component.

Fig. 9 is a schematic perspective view of a barrier net.

In the figure: 1. a work table; 11. a avoidance window; 12. a chute; 13. a travel window; 2. a clamping and positioning mechanism; 21. a drive assembly; 211. a bearing with a seat; 212. a bidirectional screw rod; 213. a travel block; 2131. a wing plate; 22. a frame clamping member; 221. a clamping plate; 2211. a slide plate; 2212. a slide rail; 222. a sliding sleeve block; 223. a side clamp assembly; 224. a sliding guide plate; 2241. a return spring; 2242. a spring hole; 2243. a roller; 225. wedge blocks; 226. a guide rod; 227. a side clamping plate; 228. a side clamp spring; 23. a mesh clamping member; 231. sliding the substrate; 2311. a guide post sliding sleeve; 2312. a slide plate; 232. a guide post; 233. a mating spring; 234. a limit component; 2341. a rod; 2342. a limiting block; 2343. limiting jack; 235. clamping blocks; 3. a welding mechanism; 31. a moving frame; 311. a longitudinally moving frame; 312. a traversing rack; 3121. an electric slide block; 32. a welding execution part; 321. reversing the motor; 322. a reversing plate; 323. a vertical cylinder; 324. an L-shaped plate; 3241. a vertical guide rod; 325. a horizontal cylinder; 326. a moving rack; 327. a welding gun; 328. a pressing member; 3281. square guide posts; 3282. a pressure spring; 3283. a roller frame; 3284. a press roller; 4. a guardrail net; 41. a screen frame; 42. a mesh.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, an automatic welding device for forming and processing a guardrail net comprises a workbench 1 for horizontally placing the guardrail net 4, wherein the workbench 1 is provided with a clamping and positioning mechanism 2 for clamping the guardrail net 4 and a welding mechanism 3 for welding the guardrail net 4. The device mainly welds the mesh sheet 42 of the guardrail net 4 with the structure shown in fig. 9 with the mesh frame 41, and it should be noted that the structure size of each welded guardrail net 4 shown in fig. 9 is the same, the length and width dimensions of the mesh frame 41 are the same, the mesh size of the mesh sheet 42 is the same, and the number of steel wires distributed in the longitudinal and transverse directions of the mesh sheet 42 is the same, i.e. the points to be welded in the horizontal longitudinal and transverse directions are the same.

As shown in fig. 1, 3 and 5, the clamping and positioning mechanism 2 comprises a driving assembly 21 assembled at the lower end of the table top of the workbench 1, the driving assembly 21 comprises two bearing blocks 211 with seats fixed at the bottom end of the table top of the workbench 1 through bolts, a bidirectional screw rod 212 is horizontally and rotatably arranged between the two bearing blocks 211, and a hand wheel convenient for manual rotation operation is welded at one end of the bidirectional screw rod 212; two thread segments of the bidirectional screw rod 212 are in one-to-one corresponding threaded connection with two stroke blocks 213, the two opposite stroke blocks 213 on the workbench 1 are respectively provided with a clearance window 11 correspondingly, and the stroke blocks 213 upwards penetrate through the clearance windows 11 at the corresponding positions. Two mesh clamping members 22 for clamping and fixing the mesh 41 are correspondingly arranged on the two stroke blocks 213 one by one, two mesh clamping members 23 for clamping the mesh 42 are correspondingly arranged on the two stroke blocks 213 one by one, and the two mesh clamping members 22 and the two mesh clamping members 23 are horizontally and symmetrically arranged in the moving direction of the stroke blocks 213.

As shown in fig. 1, 2, 3, 4 and 6, the frame clamping member 22 includes a clamping plate 221 welded to the stroke block 213 for clamping one side of the frame 41, and side clamping members 223 symmetrically disposed at both ends of the clamping plate 221 in the length direction for clamping the other adjacent two sides; the leaning clamp plate 221 is located above the surface of the workbench 1 and is axially and vertically arranged relative to the bidirectional screw 212 in the length direction, and in addition, in the embodiment, the bidirectional screw 212 is centrally arranged relative to the two ends of the leaning clamp plate 221 in the length direction; slide rails 2212 guided in a sliding manner along the length direction are symmetrically arranged at two ends of the clamping plate 221 in the length direction, slide plates 2211 are welded on the outer side walls of the two slide rails 2212, sliding sleeve blocks 222 matched with the slide plates 2211 in a sliding manner are welded on the working table 1, and the slide plates 2211 axially slide along the bidirectional screw rod 212 under the guidance of the sliding sleeve blocks 222. The two side clamp assemblies 223 are assembled at the two side slide rails 2212 in a one-to-one correspondence manner; the side clamp assembly 223 comprises a sliding guide plate 224 which is installed on the sliding rail 2212 in a sliding fit manner, a return spring 2241 is arranged in the sliding rail 2212, two ends of the return spring 2241 are respectively welded on the inner end surface of the sliding rail 2212 and the side wall of the sliding guide plate 224, a side clamping plate 227 is arranged on one side of the sliding guide plate 224 facing the other side clamp assembly 223, the side clamping plate 227 is vertically arranged opposite to the leaning clamping plate 221, a plurality of spring holes 2242 which extend along the sliding direction of the sliding guide plate 224 are formed in the sliding guide plate 224, guide rods 226 are installed in the spring holes 2242 in a sliding fit manner along the axial direction of the sliding guide plate 224, the side clamping plate 227 is welded on the guide rods 226, side clamping springs 228 are sleeved on the guide rods 226, the side clamping springs 228 extend into the spring holes 2242, and two ends of the side clamping springs 228 are respectively welded on the side clamping plate 227 and the inner end surfaces of the spring holes 2242. A roller 2243 is vertically and rotatably arranged on the sliding guide plate 224, a wedge 225 matched with the side clamp assembly 223 is welded on the workbench 1, and the roller 2243 is in rolling contact with the inclined surface of the wedge 225; when the two frame clamping members 22 move toward each other, the two side clamping plates 227 in the frame clamping members 22 move toward each other in synchronization.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the mesh clamping member 23 includes a sliding substrate 231 slidably mounted at the bottom end of the table top of the table 1, a plurality of sliding grooves 12 are distributed at the bottom end of the table top of the table 1 along the direction perpendicular to the moving direction of the travel bar 213, in this embodiment, the plurality of sliding grooves 12 are equally divided into two groups symmetrically distributed at two sides of the bidirectional screw 212, the number of each group of sliding grooves 12 is three and uniformly distributed, in addition, the sliding grooves 12 extend along the moving direction of the travel bar 213, six sliding bar plates 2312 in one-to-one sliding fit with the six sliding grooves 12 are welded at the upper end of the sliding substrate 231, six travel windows 13 corresponding to the six sliding grooves 12 are vertically penetrated are provided at the upper end of the table top of the table 1, a group of three clamping blocks 235 are welded on the upper end surface of each sliding bar plate 2312, the three clamping blocks 235 are uniformly distributed in the sliding direction of the sliding bar plates 2312, the clamping blocks 235 extend upwards from the travel windows 13 at the corresponding positions, and in this embodiment, the pitch of the mesh spacing of the three clamping blocks 235 is 2 times the mesh spacing of the mesh. Wing plates 2131 are symmetrically distributed on the stroke block 213 relative to the bidirectional screw 212 in a left-right direction, guide posts 232 are welded on the two wing plates 2131, the guide posts 232 are arranged in parallel with the bidirectional screw 212, two guide post sliding sleeves 2311 in one-to-one sliding fit with the two guide posts 232 are welded on the bottom end face of the sliding base plate 231, a matched spring 233 is sleeved on the guide posts 232, and two ends of the matched spring 233 are welded on the end parts of the wing plates 2131 and the guide post sliding sleeves 2311 respectively. Two groups of limiting assemblies 234 limiting the sliding travel of the sliding base plate 231 are arranged between the sliding base plate 231 and the bottom end of the table top of the workbench 1, and the two groups of limiting assemblies 234 are symmetrically arranged about the bidirectional screw rod 212; the limiting component 234 comprises a plug rod 2341 welded on the sliding substrate 231 and a limiting block 2342 welded at the bottom end of the table top of the workbench 1, the plug rod 2341 is vertically arranged relative to the sliding direction of the sliding substrate 231, a limiting jack 2343 in an extended hole shape is formed in the limiting block 2342, the length of the limiting jack 2343 extends in the sliding direction of the sliding substrate 231, and the plug rod 2341 is inserted into the limiting jack 2343. When the bidirectional screw rod 212 is rotated, the sliding base plate 231 and the travel block 213 are connected through the matching spring 233, so that the travel block 213 can move along with the sliding base plate 231, but the limiting assembly 234 limits the sliding travel range of the sliding base plate 231, so that the sliding base plate 231 can only move within the length range of the limiting insertion hole 2343, and thus the relative movement distance of two groups of clamping blocks 235 positioned at the same chute 12 position of the two net clamping parts 23 is synchronously limited, so that when the two groups of clamping blocks 235 move back to the maximum distance position, each clamping block 235 can extend into a mesh of the net 42 when the net 42 is placed, and when the two groups of clamping blocks 235 move to the minimum distance position in opposite directions, the clamping blocks 235 can just clamp and clamp steel wires of the net 42 so that the net 42 can realize clamping and centering, but simultaneously the clamping blocks 235 cannot cause clamping deformation of the steel wires clamped and jointed with the clamping blocks.

Before welding the guardrail net 4, the net frame 41 and the net piece 42 need to be placed and butted, the net frame 41 and the net piece 42 are clamped, positioned and aligned through the clamping and positioning mechanism 2, specifically, the net frame 41 is placed on the table surface of the workbench 1 so that the net frame 41 is positioned between four side clamping assemblies 223, then the net piece 42 is placed on the net frame 41 in a mode corresponding to the length and the width of the net frame 41, so that the net piece 42 is approximately positioned in a centrally placed position relative to the net frame 41, and each clamping block 235 extends into a net hole at a corresponding position of the net piece 42; then, the two stroke blocks 213 are driven to move towards each other by rotating the bidirectional screw 212, and in the process of moving the two stroke blocks 213, as shown in fig. 6, on one hand, the two leaning clamp plates 221 move towards each other synchronously, so that the two long sides of the net frame 41 are clamped between the two leaning clamp plates 221, meanwhile, the side clamp assemblies 223 positioned at the two ends of the leaning clamp plates 221 move synchronously along with the leaning clamp plates, but the rollers 2243 roll along the inclined planes of the wedge blocks 225, so that the two side clamp plates 227 in the two side clamp assemblies 223 move towards each other along with the sliding guide plates 224 at the respective positions, and thus the two short sides of the net frame 41 are clamped between the two groups of side clamp plates 227, and then the automatic positioning and clamping of the net frame 41 are completed; on the other hand, the two sliding substrates 231 move synchronously along with the two stroke blocks 213, so that the clamping blocks 235 move synchronously along with the sliding substrates 231, and finally, under the limit of the limiting assembly 234, the clamping blocks 235 are in clamping contact with the steel wires of the mesh 42, so that the mesh 42 is automatically clamped under the cooperation of a plurality of groups of the clamping blocks 235, and as the mesh clamping part 23 and the mesh clamping part 22 are assembled in a matched manner, after the mesh clamping part 22 completes the clamping and positioning of the mesh 41, the mesh clamping part 23 can naturally realize the clamping and positioning alignment of the mesh 42 relative to the mesh 41 by taking the mesh 41 as a reference; it should be noted that, during the clamping process, the clamping block 235 is only in steel wire clamping contact with the mesh 42 perpendicular to the bi-directional screw 212, and only the centering positioning in the axial direction of the bi-directional screw 212 can be ensured after the actual clamping, so during the actual operation, before approaching to the complete clamping of the mesh 42, the position of the mesh 42 in the axial direction perpendicular to the bi-directional screw 212 can be manually adjusted by fine adjustment, so that the mesh 42 can be kept centered relative to the mesh frame 41 in the axial direction perpendicular to the bi-directional screw 212 after the complete clamping.

In the clamping and positioning mechanism 2, the net frame clamping part 22 and the net sheet clamping part 23 can be synchronously driven through the same driving assembly 21 to automatically clamp the net frame 41 and the net sheet 42, and the net sheet 42 is centered and aligned relative to the net frame 41, so that manual adjustment is not needed, stable welding can be performed by matching with the welding mechanism 3, dislocation of the net sheet 42 relative to the net frame 41 during welding is avoided, and meanwhile, on the basis of positioning and placement, the moving and positioning welding of the matching welding mechanism 3 is facilitated, and accurate welding is performed on the lap joint of each net sheet 42.

As shown in fig. 1, 2 and 7, the welding mechanism 3 comprises a moving frame 31, the moving frame 31 comprises two longitudinal moving frames 311 fixed on the workbench 1 for providing horizontal longitudinal movement, a transverse moving frame 312 for providing horizontal transverse movement and moving along the horizontal longitudinal direction is arranged between the two longitudinal moving frames 311, two electric sliding blocks 3121 for moving along the horizontal transverse direction are arranged on the transverse moving frame 312, and the moving direction of the electric sliding blocks 3121 is parallel to the moving direction of the travel block 213; the welding execution parts 32 are correspondingly installed at the bottom ends of the two electric sliding blocks 3121, and the two welding execution parts 32 are symmetrically arranged in the traversing direction. It should be noted that, the longitudinal moving frame 311 and the transverse moving frame 312 are both existing driving structures capable of providing linear movement, and are common to existing gantry processing equipment or gantry cranes and other equipment, where the longitudinal moving frame 311 can drive two welding executing components 32 and the transverse moving frame 312 to move horizontally and intermittently in the axial direction perpendicular to the bidirectional screw 212, the distance of each intermittent movement is the distribution distance of steel wires parallel to the bidirectional screw 212 in the mesh 42, the transverse moving frame 312 can drive the two welding executing components 32 to move intermittently and reversely in the axial direction parallel to the bidirectional screw 212, and the intermittent movement distance of the welding executing components 32 is the distribution distance of steel wires perpendicular to the bidirectional screw 212 in the mesh 42.

As shown in fig. 7 and 8, the welding execution part 32 comprises a reversing motor 321 welded at the bottom end of an electric slider 3121, a reversing plate 322 which is vertically rotated and transposed along with the reversing motor 321 is horizontally welded on the output shaft of the reversing motor 321, a vertical cylinder 323 is fixed on the top end surface of the reversing plate 322 through screws, an L-shaped plate 324 is arranged below the reversing plate 322, a horizontal plate of the L-shaped plate 324 is welded at the output end of the vertical cylinder 323, and two vertical guide rods 3241 which are in sliding fit with the reversing plate 322 are welded at the top end of the horizontal plate of the L-shaped plate 324; a horizontal cylinder 325 is fixed on the vertical plate of the L-shaped plate 324 through screws, a movable frame 326 is welded at the output end of the horizontal cylinder 325, and a welding gun 327 and a pressing component 328 are assembled on the movable frame 326; the welding gun 327 is an existing welding device; the pressing component 328 comprises a square guide post 3281 vertically and slidably mounted on the movable frame 326, a pressure spring 3282 is sleeved on the square guide post 3281, two ends of the pressure spring 3282 are respectively welded on the top end of the square guide post 3281 and the movable frame 326, a roller frame 3283 is welded at the bottom end of the square guide post 3281, a press roller 3284 is horizontally and rotatably mounted on the roller frame 3283, and a central shaft of the press roller 3284 is vertically arranged relative to the moving direction of the movable frame 326.

After the clamping and positioning of the screen frame 41 and the mesh 42 are completed by the clamping and positioning mechanism 2, automatic welding can be performed by the welding mechanism 3, and the two welding execution components 32 are moved to the position shown in fig. 1, it is to be noted that the number of steel wires perpendicular to the axial direction of the bidirectional screw rod 212 in the mesh 42 shown in fig. 1 is an even number, so that the two welding execution components 32 shown in fig. 1 are just distributed at two steel wire lap joints at the short side positions in a one-to-one correspondence manner, and in the two welding execution components 32, the output direction of the horizontal cylinder 325 is in a parallel state with the steel wires to be welded below; when the position is used as a welding starting point for welding, the vertical air cylinder 323 is started to drive the L-shaped plate 324 to move downwards during welding, the press roller 3284 is in pressing contact with steel wires to be welded, the steel wire lap joint is in effective contact with the screen frame 41, then the welding gun 327 and the pressing part 328 are driven to move horizontally through the horizontal air cylinder 325, the press roller 3284 rolls synchronously along with the movement, the welding gun 327 welds the steel wire lap joint along the length direction, after the welding of the two steel wire lap joints is completed, the welding gun 327 rises to the initial height, then the traversing rack 312 drives the two welding executing parts 32 to move back to intermittent mode, the transposition is carried out through gradual intermittent movement, each steel wire lap joint in the transverse movement process is welded, after the two welding executing parts 32 finish gradual welding of each welding point at one short side of the screen frame 41, and move to the butt joint position point of the two short sides and the long side of the net frame 41 in a one-to-one correspondence manner, the reversing motor 321 is started to drive the reversing plate 322 to rotate ninety degrees, so that the horizontal cylinder 325 rotates to a state that the output direction of the horizontal cylinder is parallel to the axial direction of the bidirectional screw 212, and then the welding can be performed on the lap joint steel wires at the long side of the net frame 41, subsequently, the longitudinal moving frame 311 drives the transverse moving frame 312 to intermittently move along the long side direction of the net frame 41, so that each steel wire lap joint section at the long side of the two sides of the net frame 41 is welded section by two welding executing parts 32 in the path moving process, when the two welding executing parts 32 move to the butt joint position point of the long side and the short side of the net frame 41 at the other side, the reversing motor 321 is started again to perform state switching, so that the horizontal cylinder 325 is switched to a state that the output direction of the horizontal cylinder 325 is perpendicular to the axial direction of the bidirectional screw 212, the two welding execution components 32 are driven to move close to each other through the transverse moving rack 312, and each steel wire lap section in the moving path is welded section by section, so that the lap point welding of each net piece 42 at the whole frame edge of the net frame 41 is completed through the welding mechanism 3, omission of welding parts does not exist, the net piece 42 steel wires can be pressed instead of manual work, automatic welding can be completed, the welding efficiency is greatly improved, the manual labor intensity is reduced, and the trouble of manual simple and repeated welding operation is avoided.

After the welding is finished, the bidirectional screw rod 212 is reversely rotated, the welded and formed guardrail net 4 is loosened, and the guardrail net 4 is taken down.

The invention provides automatic welding equipment for guardrail net forming processing, which can realize synchronous positioning and clamping of a net frame 41 and a net piece 42 through a clamping and positioning mechanism 2, realize automatic positioning and centering of the net piece 42 relative to the net frame 41, does not need manual centering operation, can be matched with a welding mechanism 3 for stable welding, avoids welding displacement, can be matched with the welding mechanism 3 for accurately welding each lap joint position between the net piece 42 and the net frame 41 point by point so as to facilitate automatic welding, and can replace manual work to realize automatic piecewise point by point welding on the basis of positioning and clamping of the clamping and positioning mechanism 2 by the welding mechanism 3, thereby greatly improving the welding efficiency, reducing the labor intensity of manual work and avoiding the trouble of manual simple and repeated welding operation.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The preferred embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present invention, which do not affect the essential content of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides an automatic weld equipment is used in guardrail net shaping processing which characterized in that: the automatic guardrail device comprises a workbench (1) for horizontally placing a guardrail net (4), wherein a clamping and positioning mechanism (2) for clamping the guardrail net (4) and a welding mechanism (3) for welding the guardrail net (4) are arranged on the workbench (1); wherein:

the clamping and positioning mechanism (2) comprises a driving assembly (21) assembled at the lower end of the table top of the workbench (1), the driving assembly (21) comprises two travel blocks (213) which are reversely and horizontally driven, two mesh frame clamping components (22) for clamping and fixing a mesh frame (41) in a matched mode are assembled on the two travel blocks (213) in a one-to-one mode, two mesh sheet clamping components (23) for clamping a mesh sheet (42) in a matched mode are assembled on the two travel blocks (213) in a one-to-one mode, and the two mesh frame clamping components (22) and the two mesh sheet clamping components (23) are horizontally and symmetrically arranged in the moving direction of the travel blocks (213); the screen frame clamping component (22) comprises a leaning clamping plate (221) fixed on the stroke block (213) and used for clamping one side of the screen frame (41), and side clamping components (223) symmetrically arranged at two ends of the leaning clamping plate (221) in the length direction and used for clamping the other two adjacent sides; the net clamping part (23) comprises a plurality of groups of clamping blocks (235) which extend into meshes and are used for clamping the net (42);

the net clamping part (23) further comprises a sliding base plate (231) which is slidably arranged at the bottom end of the table top of the workbench (1) along the moving direction of the travel block (213), and the sliding base plate (231) is elastically connected to the travel block (213); at least one group of limiting components (234) for limiting the sliding travel of the sliding base plate (231) is arranged between the sliding base plate and the bottom end of the table top of the workbench (1); the clamping blocks (235) are fixed on the upper end face of the sliding substrate (231) and penetrate through the upper part of the table top of the workbench (1);

the welding mechanism (3) comprises a moving rack (31), the moving rack (31) comprises two longitudinal moving racks (311) which are fixed on the workbench (1) and used for providing horizontal longitudinal movement, a transverse moving rack (312) which moves along the horizontal longitudinal direction and is used for providing horizontal transverse movement is arranged between the two longitudinal moving racks (311), two electric sliding blocks (3121) which move along the horizontal transverse direction are arranged on the transverse moving rack (312), and the moving direction of the electric sliding blocks (3121) is parallel to the moving direction of the travel block (213); the bottom ends of the two electric sliding blocks (3121) are respectively provided with a welding execution part (32), and the two welding execution parts (32) are symmetrically arranged in the transverse moving direction.

2. The automatic welding equipment for guardrail net forming processing according to claim 1, wherein: the welding execution component (32) comprises a reversing motor (321) fixed at the bottom end of an electric sliding block (3121), a reversing plate (322) which is vertically rotated and transposed along with the reversing motor is horizontally fixed on an output shaft of the reversing motor (321), a vertical cylinder (323) is fixed on the top end surface of the reversing plate (322), an L-shaped plate (324) is arranged below the reversing plate (322), a horizontal plate of the L-shaped plate (324) is fixed at the output end of the vertical cylinder (323), a horizontal cylinder (325) is fixed on the vertical plate of the L-shaped plate (324), a movable frame (326) is fixed at the output end of the horizontal cylinder (325), and a welding gun (327) and a pressing component (328) which is used for providing vertical elasticity and pressing are assembled on the movable frame (326).

3. The automatic welding equipment for guardrail net forming processing according to claim 1, wherein: slide rails (2212) which are guided in a sliding manner along the length direction are symmetrically arranged at two ends of the leaning clamp plate (221) in the length direction, and two side clamp assemblies (223) are assembled at the slide rails (2212) at two sides in a one-to-one correspondence manner; the side clamp assembly (223) comprises a sliding guide plate (224) which is installed on a sliding rail (2212) in a sliding fit manner, a return spring (2241) is arranged in the sliding rail (2212), two ends of the return spring (2241) are respectively connected to the inner end surface of the sliding rail (2212) and the side wall of the sliding guide plate (224), a side clamping plate (227) is arranged on one side, facing the other side clamp assembly (223), of the sliding guide plate (224), the side clamping plate (227) is vertically arranged opposite to the leaning clamp plate (221), the side clamping plate (227) is elastically and slidably installed on the sliding guide plate (224) along the direction of the sliding rail (2212), a roller (2243) is vertically rotatably installed on the sliding guide plate (224), a wedge block (225) which is cooperatively arranged with the side clamp assembly (223) is fixed on the workbench (1), and the roller (2243) is in rolling contact with the inclined surface of the wedge block (225); when the two net frame clamping parts (22) move towards each other, the two side clamping plates (227) in the net frame clamping parts (22) synchronously move towards each other.

4. The automatic welding equipment for guardrail net forming processing according to claim 1, wherein: spacing subassembly (234) are including fixing inserted bar (2341) on sliding substrate (231) and stopper (2342) of fixing in workstation (1) mesa bottom, inserted bar (2341) are relative sliding substrate (231) slip direction perpendicular setting, spacing jack (2343) of extension hole form have been seted up on stopper (2342), spacing jack (2343) length extends in sliding substrate (231) slip direction, inserted bar (2341) are pegged graft in spacing jack (2343).

5. The automatic welding equipment for guardrail net forming processing according to claim 1, wherein: the utility model discloses a workbench, including workstation (1), slider (231) and multiunit clamp splice (235), workstation (1) mesa bottom is along perpendicular to stroke piece (213) direction of movement distribution has a plurality of spouts (12), spout (12) are along stroke piece (213) direction of movement extension, a plurality of and a plurality of corresponding vertically through stroke window (13) of spout (12) are seted up downwards to workstation (1) mesa upper end, slider (231) up end is fixed with a plurality of and a plurality of spout (12) one-to-one sliding fit's slide bar board (2312), multiunit clamp splice (235) one-to-one are fixed on a plurality of slide bar boards (2312), just upwards stretch out in stroke window (13) of clamp splice (235) follow corresponding position.

6. The automatic welding equipment for guardrail net forming processing according to claim 2, wherein: the pressing component (328) comprises a square guide post (3281) which is vertically and slidably arranged on the movable frame (326), a pressure spring (3282) is sleeved on the square guide post (3281), two ends of the pressure spring (3282) are respectively fixed on the top end of the square guide post (3281) and the movable frame (326), a roller frame (3283) is fixed at the bottom end of the square guide post (3281), a pressing roller (3284) is horizontally and rotatably arranged on the roller frame (3283), and the central shaft of the pressing roller (3284) is vertically arranged relative to the moving direction of the movable frame (326).

7. An automatic welding apparatus for forming a guardrail net according to claim 3, wherein: the sliding guide plate (224) is provided with a plurality of spring holes (2242) extending along the sliding direction of the sliding guide plate, guide rods (226) are installed in the spring holes (2242) in an axially sliding fit mode, the side clamping plates (227) are fixed on the guide rods (226), side clamping springs (228) are sleeved on the guide rods (226), the side clamping springs (228) extend into the spring holes (2242), and two ends of each side clamping spring (228) are respectively fixed on the side clamping plates (227) and the inner end faces of the spring holes (2242).