CN217070580U

CN217070580U - Screen welding machine

Info

Publication number: CN217070580U
Application number: CN202220897983.3U
Authority: CN
Inventors: 张中盼; 周志成; 李明明
Original assignee: Hebei Jiaoyang Welder Co ltd
Current assignee: Hebei Jiaoyang Welder Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-29
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of the screen welding machine, a screen welding machine is disclosed. The main technical characteristics are as follows: including frame, upper beam, upper electrode, underbeam and bottom electrode the upper beam top be provided with the upper beam main shaft in the frame, the upper end of upper beam pass through the upper beam eccentric wheel with the upper beam main shaft is connected, the upper beam eccentric wheel passes through the connecting rod and is connected with power unit the upper beam below is provided with the upper electrode mount, the upper electrode is fixed go up electrode mount below be provided with the cylinder mount on the underbeam be provided with the bottom electrode cylinder on the cylinder mount, the ejector pin top of bottom electrode cylinder is provided with the bottom electrode mount, the bottom electrode fix on the bottom electrode mount. When the warp and the weft are welded, the warp and the weft are not bent and deformed, so that the net surface is smoother, and the application range is wider.

Description

Screen welding machine

Technical Field

The utility model belongs to the technical field of the screen welding machine, especially, relate to a screen welding machine.

Background

The existing screen welding machine comprises a frame, an upper beam, an upper electrode, a lower beam and a lower electrode, wherein the lower electrode is a rigid copper plate fixed with the lower beam, and the upper electrode floats up and down through the stretching of an ejector rod of a cylinder. The existing welding machine has the following defects: firstly, for the mesh sheets with short distance between adjacent warp yarns, the mesh sheet welding space is small, and the welding quality of partial contact points is poor; secondly, for a large-diameter metal wire, a plurality of upper welding head parts are required to be pressed downwards for welding, the overlapping height of the welded combination of the weft and the warp is smaller than the sum of the diameters of the warp and the weft, and the height of the combination of the warp and the weft when the metal wire is not welded is equal to the sum of the diameters of the warp and the weft; the overlapping height of the welded weft yarn and warp yarn joint and the overlapping height of the unwelded weft yarn and warp yarn joint have certain difference, so that the weft yarn of the mesh can be bent and deformed when not welded simultaneously, and the flatness of the mesh is poor; third, current upper electrode passes through spring or cylinder and is connected with the upper beam, in the use, to the wire of different silk footpaths, different materials, the welding pressure that needs is also different, and too big solder joint welding strength difference that leads to the fact of pressure, and the solder joint welding is insecure because of the undersize of pressure causes, influences silk screen welding quality because of the pressure difference.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a screen welding machine that welding quality is good, labor efficiency is high, intensity of labour is little, the net piece roughness is good.

In order to solve the above problem, the utility model discloses the technical scheme that the screen welding machine adopted does: including frame, upper beam, upper electrode, underbeam and bottom electrode the upper beam top be provided with the upper beam main shaft in the frame, the upper end of upper beam pass through the upper beam eccentric wheel with the upper beam main shaft is connected, the upper beam eccentric wheel passes through the connecting rod and is connected with power unit the upper beam below is provided with the upper electrode mount, the upper electrode is fixed go up electrode mount below be provided with the cylinder mount on the underbeam be provided with the bottom electrode cylinder on the cylinder mount, the ejector pin top of bottom electrode cylinder is provided with the bottom electrode mount, the bottom electrode fix on the bottom electrode mount.

The additional technical characteristics are as follows:

the device comprises a plurality of lower electrodes, a pressure regulating buffer tank, a pressure regulating valve and a gas source, wherein each lower electrode corresponds to one lower electrode cylinder;

the upper electrode is a copper lath fixed below the upper electrode fixing frame, the lower end surface of the copper lath is a plane, and the number of the copper laths is one or more than two;

the cylinder fixing frame is provided with a slideway, and the lower electrode fixing frame is provided with a sliding block matched with the slideway.

Compared with the prior art, the utility model provides a screen welding machine has following advantage: the first, owing to including frame, upper beam, upper electrode, underbeam and bottom electrode, its characterized in that: an upper beam main shaft is arranged on the rack above the upper beam, the upper end of the upper beam is connected with the upper beam main shaft through an upper beam eccentric wheel, the upper beam eccentric wheel is connected with a power mechanism through a connecting rod, an upper electrode fixing frame is arranged below the upper beam, the upper electrode is fixed below the upper electrode fixing frame, a cylinder fixing frame is arranged on the lower beam, a lower electrode cylinder is arranged on the cylinder fixing frame, a lower electrode fixing frame is arranged above a mandril of the lower electrode cylinder, the lower electrode is fixed on the lower electrode fixing frame, and a first weft at the end part and the end part of a warp is placed between the upper electrode and the lower electrode to complete welding of the first weft; the net pulling mechanism pulls the first weft yarn and all the warp yarns forwards to a mesh distance; the weft yarn feeding mechanism feeds the weft yarn below the upper electrode; firstly, a connecting rod drives an upper beam eccentric wheel to rotate around an upper beam main shaft, and an upper beam drives an upper electrode to move downwards; the upper electrode is positioned above the weft to be welded; secondly, according to the requirement, part of the lower electrode cylinders or all the lower electrode cylinders are inflated, ejector rods of the lower electrode cylinders drive the lower electrodes on the lower electrode cylinders to be ejected upwards, the warps above the lower electrodes and the wefts above the lower electrodes are welded together, the inflated lower electrode cylinders deflate, the lower electrodes move downwards under the action of the ejector rods, and the top ends of the lower electrodes are separated from the corresponding warps; step three, if all the lower electrode cylinders are charged, directly entering the following step; if the lower electrode cylinder is partially inflated, the lower electrode cylinder corresponding to the lower part of the unwelded warp yarn is continuously inflated, the ejector rod of the lower electrode cylinder drives the lower electrode on the lower electrode cylinder to jack up, the warp yarn above the lower electrode and the weft yarn above the lower electrode are welded together, the inflated lower electrode cylinder is deflated, the lower electrode moves downwards under the action of the ejector rod, the top end of the lower electrode is separated from the corresponding warp yarn, the above steps are repeated until all the warp yarns corresponding to the weft yarn are welded, and then the next step is carried out; the connecting rod drives the upper beam eccentric wheel to rotate around the upper beam main shaft, and the upper beam drives the upper electrode to move upwards; the upper electrode leaves the welded weft; repeating the steps of drawing the net and welding until all welding is finished, wherein in the welding process, the weft is always flatly attached below an upper electrode, when a lower electrode pushes the warp upwards to the lower part of the weft, the warp is welded with the weft, the warp is not bent and deformed, so that the net surface is smoother, each lower electrode can correspond to a plurality of warps, the density of the warps can be increased (namely the spacing distance between adjacent warps can be shortened, the application range is wider; secondly, because the number of the lower electrodes is multiple, each lower electrode corresponds to one lower electrode cylinder, each lower electrode cylinder is connected with a pressure regulating buffer tank through three electromagnetic valves, the pressure regulating buffer tank is connected with an air source through a proportional pressure regulating valve, the pressure value of the pressure regulating buffer tank is regulated according to the diameter size, the material quality and the number of the warps above each lower electrode, setting the pressure value of each of the three electromagnetic valves; then, the procedures of net pulling, welding and the like are carried out, the pressure during welding is moderate, the welding quality of the net piece is high, and the conditions of desoldering and the like do not exist; thirdly, the upper electrode is a copper plate strip fixed below the upper electrode fixing frame, the lower end face of the copper plate strip is a plane, the number of the copper plate strips is one or more than two, the copper plate strips are relatively flat, the weft wires are not easy to bend during welding, and the welded mesh is relatively flat; and fourthly, because the cylinder fixing frame is provided with the slide way, the lower electrode fixing frame is provided with the slide block matched with the slide way, the positions of the lower electrode and the warp are more accurate, and the net sheet quality is high.

Drawings

FIG. 1 is a schematic structural view of a screen welding machine according to the present invention;

FIG. 2 is a schematic view of the structure viewed from the other side;

fig. 3 is a longitudinal sectional view of fig. 1.

Detailed Description

The structure and the operation principle of the screen welding machine according to the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, fig. 2 and fig. 3, the structural schematic diagram of the screen welding machine of the present invention is shown in the figures, in order to make the views more clear, only one set of the lower electrode cylinder and the lower electrode on the welding machine is shown, and the rest of the lower electrode cylinder and the lower electrode cylinder are deleted, and the actual situation may be a plurality of ones. The utility model discloses screen welding machine includes frame 1, the upper beam 2, upper electrode 3, underbeam 4 and bottom electrode 5, be provided with upper beam main shaft 6 in the frame 1 of upper beam 2 top, the upper end of upper beam 2 is passed through upper beam eccentric wheel 7 and is connected with upper beam main shaft 6, upper beam eccentric wheel 7 passes through connecting rod 8 and is connected with power unit 9, be provided with upper electrode mount 10 in upper beam 2 below, upper electrode 3 fixes in upper electrode mount 10 below, be provided with cylinder mount 11 on underbeam 4, be provided with bottom electrode cylinder 12 on cylinder mount 11, the ejector pin 13 top of bottom electrode cylinder 12 is provided with bottom electrode mount 14, bottom electrode 5 is fixed on bottom electrode mount 14.

Placing the end part of the warp yarn and the first weft yarn at the end part between the upper electrode 3 and the lower electrode 5 to finish welding the first weft yarn; the net pulling mechanism pulls the first weft yarn and all the warp yarns forwards to a mesh distance; the weft yarn feeding mechanism feeds the weft yarn below the upper electrode 3; firstly, a connecting rod 8 drives an upper beam eccentric wheel 7 to rotate around an upper beam main shaft, and an upper beam 2 drives an upper electrode 3 to move downwards; the upper electrode 3 is positioned above the weft to be welded; secondly, according to the requirement, part of the lower electrode cylinders 12 or all of the lower electrode cylinders 12 are inflated, ejector rods 13 of the lower electrode cylinders 12 drive the lower electrodes 5 on the lower electrode cylinders 12 to be ejected upwards, the warp yarns above the lower electrodes 5 are welded with the weft yarns above the lower electrodes, the inflated lower electrode cylinders 12 are deflated, the lower electrodes 5 move downwards under the action of the ejector rods 13, and the top ends of the lower electrodes 5 are separated from the corresponding warp yarns; step three, if all the lower electrode cylinders are charged, directly entering the following step; if a part of the lower electrode cylinders 12 are inflated, the lower electrode cylinders 12 corresponding to the lower parts of the unwelded warp yarns are continuously inflated, the ejector rods 13 of the lower electrode cylinders 12 drive the lower electrodes 5 on the lower electrode cylinders 12 to be ejected upwards, the warp yarns above the lower electrodes are welded with the weft yarns above the lower electrodes, the inflated lower electrode cylinders are deflated, the lower electrodes 5 move downwards under the action of the ejector rods 13, the top ends of the lower electrodes 3 are separated from the corresponding warp yarns, the above steps are repeated until all the warp yarns corresponding to the weft yarns are welded, and then the next step is carried out; the connecting rod 8 drives the upper beam eccentric wheel 7 to rotate around the upper beam main shaft 6, and the upper beam 2 drives the upper electrode 3 to move upwards; the upper electrode 3 leaves the welded weft; repeating and drawing the net to the welding step, until whole welding is accomplished, in welding process, the tram is pasted in 3 below of last electrode all the time straightly, pushes up to the tram below on the lower electrode 5 with the warp, when warp and tram welding, can not cause tram bending deformation for the wire side is more level and more smooth, can correspond a plurality of warp in addition on every lower electrode, and the density of warp can increase (that is to say that the spacing distance between the adjacent warp can shorten, and the range of application is wider.

The number of the lower electrodes 5 is multiple, each lower electrode 5 corresponds to one lower electrode cylinder 12, the lower electrode cylinders 12 are connected with a pressure regulating buffer tank 16 through three electromagnetic valves 15, the pressure regulating buffer tank 16 is connected with an air source through a proportional pressure regulating valve 17, and the pressure numerical values of the three electromagnetic valves are set according to the diameters and the materials of the warp yarns and the weft yarns of the welded mesh and the number of the warp yarns above each lower electrode; and then, the procedures of net pulling, welding and the like are carried out, the pressure during welding is moderate, the welding quality of the net piece is high, and the conditions of desoldering and the like do not exist.

The upper electrode 3 is a copper plate strip fixed below the upper electrode fixing frame 10, the lower end face of the copper plate strip is a plane, the copper plate strip is one or more than two, the copper plate strip is relatively flat, the weft is not easy to bend during welding, and a welded mesh is relatively flat.

The cylinder fixing frame 11 is provided with a slideway 18, the lower electrode fixing frame 11 is provided with a slide block 19 matched with the slideway 18, the positions of the lower electrode and the warp are more accurate, and the net quality is high.

The utility model discloses the protection scope of screen welding machine and the method of using this welding machine to carry out people's air defense net and bend not only limits in above-mentioned embodiment, as long as the structure with the utility model discloses screen welding machine structure is the same or similar, perhaps uses this welding machine to carry out people's air defense net and bends the method the same or similar with this method, just falls the utility model discloses the scope of protection.

Claims

1. The screen welding machine comprises a frame, an upper beam, an upper electrode, a lower beam and a lower electrode, and is characterized in that: the upper beam is characterized in that an upper beam main shaft is arranged on the rack above the upper beam, the upper end of the upper beam is connected with the upper beam main shaft through an upper beam eccentric wheel, the upper beam eccentric wheel is connected with a power mechanism through a connecting rod, an upper electrode fixing frame is arranged below the upper beam, an upper electrode is fixed below the upper electrode fixing frame, an air cylinder fixing frame is arranged on the lower beam, a lower electrode air cylinder is arranged on the air cylinder fixing frame, a lower electrode fixing frame is arranged above an ejector rod of the lower electrode air cylinder, and the lower electrode is fixed on the lower electrode fixing frame.

2. The wire mesh welder of claim 1, wherein: the lower electrode is a plurality of, and every lower electrode corresponds with a lower electrode cylinder, every the lower electrode cylinder is connected with the pressure regulating buffer tank through three solenoid valve, the pressure regulating buffer tank is connected with the air supply through the proportional pressure regulating valve.

3. The wire mesh welder of claim 1, wherein: the upper electrode is a copper lath fixed below the upper electrode fixing frame, the lower end face of the copper lath is a plane, and the number of the copper laths is one or more than two.

4. The wire mesh welder of claim 1, wherein: the cylinder fixing frame is provided with a slideway, and the lower electrode fixing frame is provided with a sliding block matched with the slideway.