阅读说明：本技术 用于污水处理的膜片产品的涡流焊自动焊接机及焊接方法 (Automatic welding machine and welding method for eddy current welding of membrane product for sewage treatment ) 是由 刘东土 于 2019-11-20 设计创作，主要内容包括：本发明公开了一种用于污水处理的膜片产品的涡流焊的自动焊接机,其包括机架和设置于机架外部并与机架固定连接的壳体。本发明的自动焊接机的焊接平台的下表面上固定设置有移动滑台,移动滑台可带动焊接平台沿着固定设置于机架上的滑轨移动。沿着焊接平台的周向边缘设置有用于承接板材的支撑边缘部,本发明的自动焊接机还包括涡流焊接单元,涡流焊接单元的焊接部设置在支撑边缘部的中部并沿其周向方向设置,涡流焊接单元还包括降温部。利用本发明的自动焊接机得到的污水处理膜片产品的表面平整且具有较高的抗拉伸力,膜材与塑料板焊接牢固,在受到外力拉伸时,膜材也不易于脱落。(The invention discloses an automatic welding machine for vortex welding of a membrane product for sewage treatment, which comprises a rack and a shell, wherein the shell is arranged outside the rack and fixedly connected with the rack. The lower surface of the welding platform of the automatic welding machine is fixedly provided with a movable sliding table, and the movable sliding table can drive the welding platform to move along a sliding rail fixedly arranged on the rack. The automatic welding machine further comprises an eddy current welding unit, wherein the welding part of the eddy current welding unit is arranged in the middle of the supporting edge part and arranged along the circumferential direction of the supporting edge part, and the eddy current welding unit further comprises a cooling part. The sewage treatment membrane product obtained by the automatic welding machine has a flat surface and higher tensile resistance, the membrane material and the plastic plate are firmly welded, and the membrane material is not easy to fall off when being stretched by external force.)

1. The utility model provides an eddy current welding automatic weld machine for sewage treatment's diaphragm product, include the frame with set up in the frame outside and with frame fixed connection's casing, its characterized in that still includes the support edge part that is used for bearing panel, still includes the eddy current welding unit, the eddy current welding unit includes the welding part that the middle part of supporting the edge part set up, the welding part along the circumference direction of supporting the edge part sets up, the welding part includes cooling portion.

2. The eddy current welding automatic welding machine for the membrane product for sewage treatment according to claim 1, characterized in that the welding part further comprises a magnetic field emission part and a heating part, the magnetic field emission part can form an alternating magnetic field, the cooling part comprises a water pipe and a cooling water tank communicated with the water pipe, the magnetic field emission part, the water pipe and the heating part are sequentially arranged along a direction close to the membrane product to be welded, and the heating part is in a closed-loop geometric shape.

3. The automatic vortex welding machine for the sewage treatment membrane product according to claim 2, wherein the magnetic field emitting part is a copper pipe, the copper pipe forms a magnetic field under the control of a control host of the vortex welding unit, and a protective layer is further arranged on the surface of the heating part close to the side of the material flow to be welded.

4. The machine of claim 1, further comprising a crimping portion disposed above the welding portion, the crimping portion being movable toward and away from the welding portion.

5. The automatic vortex welding machine for sewage treatment membrane products according to claim 4, wherein the crimping part comprises a fixed plate fixed on the shell, at least one pressing cylinder arranged on the fixed plate and at least one pressing plate connected with a piston rod of the pressing cylinder, the pressing plate is correspondingly arranged right above the vortex welding head, and the pressing plate can abut against a plate to be welded placed on the welding platform.

6. The automatic vortex welding machine for membrane products for sewage treatment according to claim 5, wherein the pressing plate is arranged above the arrangement area corresponding to the vortex welding head, and the number of the lower pressing cylinders driving each pressing plate to move is at least one.

7. The machine of claim 6, further comprising at least one pressure regulating valve connected to said down cylinders, each said pressure regulating valve controlling at least one of said down cylinders.

8. The automatic vortex welding machine for the sewage treatment membrane product according to claim 1, further comprising a welding platform, wherein the supporting edge portion is arranged along the circumferential direction of the welding platform, the automatic vortex welding machine further comprises a movable sliding table fixedly connected with the welding platform and a sliding rail fixedly connected with the rack, the movable sliding table can move along the sliding rail, the movable sliding table can be pulled to be close to the edge of the automatic welding machine along the sliding rail, and the vortex welding unit is connected with the movable sliding table.

9. The automatic vortex welding machine for the membrane products for sewage treatment according to claim 8, further comprising a driving mechanism for driving the moving sliding table to move.

10. The welding method of the membrane product for sewage treatment is characterized in that a magnetic field emission part is arranged on at least one side of the membrane product for sewage treatment, a metal heating sheet is arranged between the magnetic field emission part and the part to be welded of the membrane product for sewage treatment, the metal heating sheet is in a closed-loop geometric shape, the metal heating sheet generates heat under the action of an alternating magnetic field formed by the magnetic field emission part, and the membrane product for sewage treatment is pressed on the metal heating sheet under the action of external force, so that the membrane product for sewage treatment is welded.

Technical Field

The invention relates to the technical field of automatic processing equipment, in particular to an automatic welding machine and an automatic welding method for eddy current welding of a membrane product for sewage treatment.

Background

MBR is a Membrane bioreactor (Membrane Bio-Reactor) for short, is a novel Membrane product for sewage treatment, and overturns the mode of sewage treatment by using a biological reaction tank in the past, thereby greatly improving the sewage treatment efficiency and effectively reducing the floor area of sewage treatment facilities.

MBRs generally include a plastic plate (e.g., ABS) and a membrane substrate (e.g., PET, PP, etc.) and a membrane having high filterability disposed thereon, and when in use, impurities such as microorganisms in sewage are trapped in the membrane. Due to the complex use environment of the MBR, the membrane material is easy to fall off from the plate partially or completely, so that the use effect of the MBR is influenced.

The mode that current MBR processing equipment was mostly adopted gluing or hot welding is fixed in the membrane substrate on the surface of membrane substrate, and current MBR automatic weld machine often has following problem: the plastic plate is shrunk and deformed in the injection molding process, so that the surface flatness of the plastic plate is poor, the problem of uneven welding strength around a welding head during welding is caused, and when the MBR is deformed due to large external force during use, the membrane material is easy to separate from the plastic plate; when the plastic plate and the membrane are welded by adopting hot welding, the problems of slow temperature rise and uneven temperature around a welding mould exist. In addition, when the existing automatic welding machine for the membrane product for sewage treatment is used for welding, a welding die can be subjected to thermal expansion deformation in the heating process, and local adjustment or fine adjustment cannot be performed, so that the requirement for uniform welding around the membrane cannot be met.

Disclosure of Invention

In order to overcome the defects, the invention provides the automatic welding machine and the automatic welding method for the eddy current welding of the membrane product for sewage treatment.

One of the purposes of the invention is to provide an eddy current welding automatic welding machine for a membrane product for sewage treatment, which comprises a rack, a shell, a supporting edge part and an eddy current welding unit, wherein the shell is arranged outside the rack and fixedly connected with the rack, the supporting edge part is used for bearing a plate, the eddy current welding unit comprises a welding part arranged in the middle of the supporting edge part, the welding part is arranged along the circumferential direction of the supporting edge part, and the welding part comprises a cooling part. The welding part of the eddy current welding unit is arranged in the middle of the supporting edge part, so that the temperature of the whole welding area is rapidly and stably increased when the membrane product is welded, and the welding surface is smooth when the membrane product is welded, therefore, the automatic welding machine effectively reduces the strain caused by welding the membrane layer on the surface of the obtained membrane product, the tensile strength of the obtained membrane product is high, the membrane material and the plastic plate are firmly welded, and the membrane material is not easy to fall off when the membrane product is stretched by external force.

Further, the welding part still includes magnetic field emission portion and the portion that generates heat, magnetic field emission portion can form alternating magnetic field, cooling portion include the water pipe and with the cooling trough of water pipe intercommunication, magnetic field emission portion the water pipe with the portion that generates heat sets gradually along the direction to being close to the diaphragm product of waiting to weld. When the automatic welding machine is used, the heating part is heated rapidly under the action of the magnetic field emission part, so that the rapid welding of the membrane product can be realized, and after the welding is finished, the cooling water circularly introduced into the water pipe can also realize the rapid cooling of the welding position, so that the welding of the membrane product is rapid, and the welding surface is smooth.

Further, the magnetic field emission portion is a copper pipe, the copper pipe forms a magnetic field under the control of the eddy current welding unit, the cooling portion is a water pipe continuously filled with cooling water, a protective layer is further arranged on the surface of the heating portion close to one side of the material flow to be welded, and the copper pipe, the water pipe, the heating portion and the protective layer are sequentially arranged in the direction close to the membrane product to be welded. The protective layer can prevent the film product from being scalded due to overhigh temperature of the heating part.

Further, the crimping part is arranged above the welding part and can move towards a direction close to or far away from the welding part.

Furthermore, the crimping part comprises a fixed plate fixed on the shell, at least one pressing cylinder arranged on the fixed plate and at least one pressing plate connected with a piston rod of the pressing cylinder, the pressing plate is correspondingly arranged right above the eddy current welding head, and the pressing plate can abut against a plate to be welded placed on the welding platform. Therefore, by arranging at least one pressure plate, the welding area can be dispersed to complete welding under the action of different pressure plates, and the local adjustment of the welding area can be realized by independently adjusting different pressure plates, so that the automatic welding machine is easy to adjust when in use.

Furthermore, the pressing plate is arranged above the arrangement area corresponding to the eddy current welding head, and the number of the pressing cylinders for driving each pressing plate to move is at least one. Therefore, can ensure that the lift process of clamp plate is steady, therefore the diaphragm product surface smoothness who obtains after welding membrane material and substrate is high, and the welding force is even.

Still further, the device also comprises at least one pressure regulating valve connected with the lower pressure cylinders, and each pressure regulating valve controls at least one lower pressure cylinder. Therefore, the corresponding pressing cylinder can be controlled through different pressure regulating valves, and the adjustment is flexible.

Further, still include welded platform, support the edge part along welded platform's circumference sets up, still include with welded platform fixed connection's removal slip table, with frame fixed connection's slide rail, remove the slip table can along the slide rail removes, remove the slip table can along the slide rail is drawn to being close to automatic weld machine's edge, the vortex welding unit with remove the slip table and connect.

Furthermore, the device also comprises a driving mechanism for driving the moving sliding table to move. The moving stroke and the moving path of the moving sliding table can be adjusted and controlled through the driving mechanism.

The invention also aims to provide an eddy current welding method for a membrane product for sewage treatment, wherein a magnetic field emission part is arranged on at least one side of the membrane product, a metal heating sheet is arranged between the magnetic field emission part and the part to be welded of the membrane product, the metal heating sheet is in a closed-loop geometric shape, the metal heating sheet generates heat under the action of an alternating magnetic field formed by the magnetic field emission part, and the membrane product is pressed on the metal heating sheet under the action of external force so as to complete the welding of the membrane product.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a welding platform and a movable sliding table according to a preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an eddy current welding unit according to a preferred embodiment of the invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural view of a preferred embodiment of the present invention with a portion of the housing removed;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view showing the connection relationship between the fixing plate, the pressing cylinder and the pressing plate according to a preferred embodiment of the present invention.

In the figure:

the welding device comprises a frame 1, a shell 2, a welding platform 3, a supporting plate 31, a supporting edge 4, a welding part 51, a protective layer 511, a heating sheet 512, a silicone tube 513, a glass fiber plate 514, a copper tube 515, a vortex welding host 52, a movable sliding table 6, a sliding block 61, a sliding rail 7, a fixing plate 81, a pressing cylinder 82, a pressing plate 83, a pressure regulating valve 84, a limiting block 91, a quick clamp 92, a translation cylinder 10, a buffer 11, an electric control panel 12 and a plate to be welded 13.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1, the automatic welding machine for vortex welding of a membrane product for sewage treatment of the invention comprises a frame 1 and a shell 2 which is arranged outside the frame 1 and fixedly connected with the frame 1.

Referring to fig. 2, the lower surface of the welding platform 3 of the automatic welding machine of the present invention is fixedly provided with a movable sliding table 6, and the movable sliding table 6 can drive the welding platform 3 to move along a sliding rail 7 fixedly arranged on the frame 1. Along the circumferential edge of the welding platform 3 there is provided a support edge portion 4 for receiving the sheet material to be welded. Referring to fig. 3, the upper surface of the welding platform 3 is provided with a support plate 31, and the plate 13 to be welded is placed on the support plate 31, and the eddy current welding automatic welding machine for a sewage treatment membrane product further comprises an eddy current welding unit, wherein the eddy current welding unit comprises a welding part 51 and an eddy current welding host 52. Referring to fig. 4, the welding portion 51 includes a protective layer 511, a heat generating sheet 512, a silicone tube 513, a glass fiber plate 514 and a copper tube 515, which are sequentially arranged from top to bottom, the welding portion 51 is arranged in the middle of the supporting edge portion 4 and arranged along the circumferential direction thereof, and the heat generating sheet 512 is in a closed geometric shape, that is, a circle of welding area is arranged in the arrangement direction of the supporting edge portion 4. When welding is needed, the copper pipe 515 is excited by the eddy current welding host 52 to continuously generate an alternating magnetic field, the heating sheet 512 rapidly generates heat under the action of the magnetic field, so that rapid welding of a membrane product for sewage treatment can be realized, and the protective layer 511 is a high-temperature adhesive tape which can prevent a plate from being scalded during welding. After welding, cooling water is circularly introduced into the silicone tube 3, so that a welding area can be rapidly cooled, and the higher flatness of a welding surface is ensured.

Referring to fig. 5 and 6, a sliding block 61 is arranged at the bottom of the movable sliding table 6, the sliding block 61 is clamped on the sliding rail 7 and can move along the sliding rail 7, the sliding rail 7 is arranged in a direction vertical to one side edge of the rack 1 and extends to the opposite side edge, so that the movable sliding table 6 can move along the sliding rail 7 and can move the movable sliding table 6 from one side to the other side of the rack 1, and therefore, the movable sliding table 6 can move back and forth on the rack 1. The eddy current welding unit of the invention is fixedly arranged on the lower surface of the movable sliding table 6 and can move along with the movable sliding table.

Referring to fig. 1 again, the eddy current welding automatic welding machine for a membrane product for sewage treatment further comprises a translation cylinder 10 for driving the moving sliding table 6 to move, a piston of the translation cylinder 10 is fixedly connected with the moving sliding table 6, the driving direction of the piston is consistent with the arrangement direction of the sliding rail 7, and the translation cylinder 10 is a rodless cylinder and is arranged in parallel with the sliding rail 7, so that the structure of the automatic welding machine is more compact. Referring to fig. 4 again, the moving slide table 6 of the automatic welding machine of the present invention is further provided with a buffer 11, and the buffer 11 and the translation cylinder 10 are respectively disposed at both sides of the moving slide table 6 opposite to each other. Therefore, when the moving slide table 6 moves under the action of the translation cylinder 10, the buffer 11 can prevent the moving slide table 6 from generating obvious vibration to cause the displacement of the unwelded film and the substrate.

Referring to fig. 2 again, still be provided with the spacing portion of a plurality of panels in welded platform 3's the outside, the spacing portion of panel includes stopper 91 and fast clamp 92, and fast clamp 92 is fixed in on removing slip table 6 to be connected with stopper 91, leaning on the outward flange of stopper 91 and the panel of treating welding back, fix with fast clamp 92, therefore can ensure to treat that the panel of welding can not take place the displacement at the welding diaphragm in-process, ensure welding precision.

The automatic welding machine of the present invention further includes a crimping portion provided above the welding portion 51, the crimping portion being movable toward or away from the welding portion 51.

Referring to fig. 7, the crimping portion includes a plurality of fixing plates 81 fixed to the housing 2, a down cylinder 82 provided on the fixing plates 81, and a pressing plate 83 connected to a piston rod of the down cylinder 82. The pressing plate 83 is correspondingly disposed right above the welding portion 51, and the pressing plate 83 can abut against a plate to be welded placed on the welding platform 3. Four lower air cylinders 82 are fixedly arranged on each fixing plate 81 in parallel, and the lower ends of the piston rods of every two lower air cylinders 82 are fixedly connected to the same pressing plate 83, so that the downward movement process of the pressing plate 83 driven by the lower air cylinders 82 is stable. As a preferred embodiment of the present invention, four down-pressure cylinders 82 provided on each of the fixed plates 81 may be provided with one pressure regulating valve 84, so that welding pressures of different regions of the automatic welding machine of the present invention can be adjusted separately. Therefore, the pressure plate 83 is close to and abutted against the plate to be welded and the diaphragm placed on the welding platform 3 under the action of the lower air cylinder 82, so as to weld the diaphragm, and when a local area needs to be welded or welding requirements of the areas are different, the welding can be realized by adjusting different pressure regulating valves 84.

The automatic welding machine for the eddy current welding of the membrane product for sewage treatment further comprises an electric control panel 12 arranged on the shell 2, control buttons are arranged on the electric control panel 12, the electric control panel 12 is electrically connected with the pressing cylinder 82 and the translation cylinder 10, and automatic sliding-in and sliding-out of the welding platform 3 and automatic pressing-down of the pressing plate 83 are realized through presetting of the stroke value of the electric control panel, so that full-automatic welding of the membrane product for sewage treatment can be realized.

In a preferred embodiment of the present invention, the supporting edge portion 4 is a high temperature tape, so that the film and the plate material can be securely adhered to each other during the welding process.

The working process of the eddy current welding automatic welding machine for the membrane product for sewage treatment comprises the following steps: welding platform is at first along slide rail roll-off to the edge near removing the slip table under the drive of removing the slip table, the substrate that will be fixed with the membrane material in advance is put into welding platform on, and the joint is in the middle of supporting the edge part, welding platform removes to the weldment work region under the drive of translation cylinder afterwards, also just to the region of clamp plate below, the vortex welding unit begins work, the copper pipe produces alternating magnetic field, the piece that generates heat rapidly under the alternating magnetic field effect of copper pipe, afterwards, the clamp plate pushes down, it is firm to membrane material and substrate welding, let in recirculated cooling water to the silica gel intraductal subsequently, therefore realize the rapid cooling to the welding region. The surface of the membrane product which is flat and used for sewage treatment and obtained by the automatic welding machine is flat, and the membrane material and the base material are welded by vortex welding, so that the membrane material and the base material are firmly welded, and the membrane material can not fall off even if the membrane product is stretched by a large external force.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.