CN217749751U - Electromagnetic induction welding machine - Google Patents
Electromagnetic induction welding machine Download PDFInfo
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- CN217749751U CN217749751U CN202221086537.0U CN202221086537U CN217749751U CN 217749751 U CN217749751 U CN 217749751U CN 202221086537 U CN202221086537 U CN 202221086537U CN 217749751 U CN217749751 U CN 217749751U
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- electromagnetic induction
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- induction welding
- moving assembly
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Abstract
The utility model discloses an electromagnetic induction welding machine, wherein the electromagnetic induction welding machine comprises a base, a motion assembly and a welding head, the motion assembly is arranged on the base; the welding head is arranged on the moving assembly and used for generating an alternating magnetic field; wherein, the motion subassembly drives the soldered connection and removes. The utility model discloses circuit board high temperature when technical scheme can avoid the welding.
Description
Technical Field
The utility model relates to the field of welding technique, in particular to electromagnetic induction welding machine.
Background
The circuit board welding refers to the welding of components on a circuit board, generally uses reflow soldering, heats and melts solder paste, and after the solder paste is cooled, the components can be connected on the circuit board. The welding mode can heat the circuit board and the components, and the circuit board which takes plastic materials such as ABS, PC and the like as base materials cannot bear overhigh temperature, so that the circuit board is not suitable for use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electromagnetic induction welding machine, circuit board high temperature when aiming at avoiding the welding.
In order to achieve the above object, the utility model provides an electromagnetic induction welding machine, electromagnetic induction welding machine includes:
a machine base;
the moving assembly is mounted on the base; and
a welding head mounted on the moving assembly, the welding head for generating an alternating magnetic field;
wherein, the motion assembly drives the welding head to move.
Optionally, the welding head comprises:
the electromagnetic induction piece is connected to the movement assembly and is used for generating an alternating magnetic field; and
the abutting piece is connected with the moving assembly and used for pressing the welded piece.
Optionally, the electromagnetic induction part is a spiral structure, and the abutting part extends into the spiral structure.
Optionally, the abutment comprises:
a connecting portion connected to the moving assembly; and
the abutting part is connected with the connecting part and extends into the spiral structure, and the abutting part has elasticity.
Optionally, the abutting portion is made of rubber.
Optionally, a flow channel is arranged inside the electromagnetic induction piece, and the flow channel is used for introducing cooling liquid.
Optionally, the motion assembly comprises:
the conveying mechanism is connected with the base and can move in the front-back direction, and the conveying mechanism is used for loading the welded piece;
the translation mechanism is connected with the base and can move along the left and right directions; and
the lifting mechanism is connected with the base and can move up and down, and the lifting mechanism is connected with the welding head.
Optionally, the electromagnetic induction welding machine further comprises a clamping device, the clamping device is mounted on the conveying mechanism, the clamping device is provided with an inserting structure, and the inserting structure is used for inserting the welded piece.
Optionally, the clamping device comprises:
a base plate mounted on the transport mechanism; and
the connecting columns are arranged oppositely, each connecting column is provided with a sliding chute, one connecting column is connected to one side edge of the bottom plate, and the other connecting column is connected to the other side edge of the bottom plate;
the notches of the two sliding grooves are oppositely arranged to form the inserting structure.
Optionally, the clamping device further comprises a cover plate, the cover plate covers the connecting columns, and is detachably connected with the connecting columns respectively, and the cover plate is provided with an opening used for exposing the welded part.
The utility model discloses technical scheme motion subassembly is connected in the frame, and the soldered connection is connected in the motion subassembly, drives the soldered connection through the motion subassembly and removes to the soldered connection welding has put the tin cream on the circuit board, and components and parts are put on the tin cream, and the soldered connection produces electromagnetic induction and makes the tin cream heat and melt, thereby lets components and parts and circuit board glue together through the tin cream, treats to accomplish the welding after the tin cream cooling. Because the electromagnetic induction only heats the metal, the temperature of the circuit board is prevented from being overhigh during welding so as to protect the circuit board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the electromagnetic induction welding machine of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural diagram of the electromagnetic induction element in the present embodiment;
FIG. 4 is a schematic structural diagram of the abutting member in the present embodiment;
FIG. 5 is a schematic structural diagram of the clamping device in the present embodiment;
fig. 6 is an exploded view of the clamping device in this embodiment.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name(s) | |
| 100 | Electromagnetic |
10 | |
|
| 30 | |
31 | |
|
| 33 | |
35 | |
|
| 50 | |
51 | |
|
| | Flow passage | 53 | Abutting |
|
| 531 | Connecting |
533 | Abutting |
|
| 70 | |
71 | |
|
| 73 | Connecting |
| Sliding chute | |
| 75 | |
75a | Opening of the container |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an electromagnetic induction welding machine.
As shown in fig. 1 and 2, in an embodiment of the present invention, the electromagnetic induction welding machine 100 includes a machine base 10, a moving assembly 30, and a welding head 50, wherein the moving assembly 30 is mounted on the machine base 10. A welding head 50 is mounted on the moving assembly 30, the welding head 50 being adapted to generate an alternating magnetic field. Wherein the moving assembly 30 moves the welding head 50.
In this embodiment, the moving assembly 30 is connected to the base 10, the soldering head 50 is connected to the moving assembly 30, the moving assembly 30 drives the soldering head 50 to move, so that the soldering head 50 can be conveniently soldered, solder paste is placed on the circuit board, the component is placed on the solder paste, the soldering head 50 generates electromagnetic induction to heat and melt the solder paste, so that the component and the circuit board are bonded together through the solder paste, and soldering is completed after the solder paste is cooled. Because the electromagnetic induction only heats the metal, the temperature of the circuit board is prevented from being overhigh during welding so as to protect the circuit board.
Further, the soldering head 50 heats the solder paste by the electromagnetic induction heating principle, and generates a magnetic field by using current, and magnetic lines of the magnetic field generate countless small eddy currents through the solder paste, so that molecules of the solder paste move at a high speed to generate heat, and then the solder paste itself generates heat. The principle of electromagnetic induction heating is that alternating current generated by an induction heating power supply generates an alternating magnetic field through an inductor (namely a coil), a magnetic conductive object is arranged in the inductor to cut alternating magnetic lines, so that alternating current (namely eddy current) is generated inside the object, the eddy current enables atoms inside the object to move randomly at high speed, and the atoms collide with each other and rub to generate heat energy, thereby achieving the effect of heating the object. The heating method is a heating method which converts electric energy into magnetic energy to enable a heated metal piece to induce the magnetic energy to generate heat. Since the principle of electromagnetic induction is the prior art, it is not described herein.
In addition, it should be noted that the moving assembly 30 can drive the welding head 50 to move by a linear motor; the welding head 50 can also be driven to move by an air cylinder; other effective driving means are also possible.
The movement of the moving assembly 30 to move the welding head 50 may be an elevating movement; horizontal movement is also possible; the lifting movement and the horizontal movement can be matched with each other; other directions of movement are also possible.
As shown in fig. 1 and 2, in an embodiment of the present invention, the welding head 50 includes an electromagnetic induction member 51 and an abutting member 53, the electromagnetic induction member 51 is connected to the moving assembly 30, and the electromagnetic induction member 51 is used for generating an alternating magnetic field. The abutting piece 53 is connected to the moving member 30, and the abutting piece 53 is used for pressing the welded member.
In this embodiment, the electromagnetic induction member 51 generates an alternating magnetic field to perform electromagnetic induction heating on the solder paste. The electromagnetic induction piece 51 is connected to the moving assembly 30, and the moving assembly 30 drives the electromagnetic induction piece 51 to move, so as to realize automatic welding action. The abutting part 53 is connected to the moving assembly 30, the abutting part 53 is driven by the moving assembly 30 to move, the abutting part 53 can press a welded part such as a component on a circuit board, so that the metal components are prevented from being magnetized under the action of electromagnetic induction and being subjected to magnetic force to bounce, stable proceeding of electromagnetic induction welding is guaranteed, and safety of the electromagnetic induction welding machine 100 is improved.
In addition, it should be noted that the abutting piece 53 may be fixedly connected to the moving component 30 by welding or the like; or can be detachably connected to the moving assembly 30 through a threaded connection, a snap connection and the like; other connection means are also possible.
The electromagnetic induction piece 51 can be fixedly connected to the moving assembly 30 by welding or the like; or can be detachably connected to the moving assembly 30 through a threaded connection, a snap connection and the like; other connection means are also possible.
As shown in fig. 1 to 3, in an embodiment of the present invention, the electromagnetic induction element 51 is a spiral structure, and the abutting element 53 extends into the spiral structure.
In this embodiment, the electromagnetic induction element 51 has a spiral structure formed by spirally winding a conductor. The helix may produce a better alternating magnetic field and may increase the magnetic field produced as the number of turns the helix extends along the axis increases. The spiral structure is provided with a through hole, and the spiral structure covers part or all of the solder paste to be welded so as to heat the solder paste by electromagnetic induction. Because the solder paste is applied on the circuit board, the components are attached to the solder paste, the spiral structure can not contact the circuit board, the solder paste and the components, and the solder paste is heated at intervals to melt the solder paste to realize welding. Specifically, the electromagnetic induction member 51 is located below the moving assembly 30, the electromagnetic induction member 51 includes a spiral structure, a first connecting member and a second connecting member, and the abutting member 53 is disposed in the spiral structure. The first connecting member is connected to one end of the spiral structure and to the moving assembly 30. A second link is connected to the other end of the helical structure and to the motion assembly 30. The abutting member 53 extends into the through hole of the spiral structure to abut against the components, thereby preventing some metal components from being magnetized under the action of electromagnetic induction and being flicked by magnetic force. In this way, not only the internal space of the spiral structure is fully utilized to optimize the overall structure, but also the through hole of the abutting piece 53 in the spiral structure can move along with the spiral structure, so that when the spiral structure is subjected to electromagnetic induction welding, the abutting piece 53 abuts against the component at the same time, and the abutting piece 53 and the spiral structure can move synchronously without additionally arranging a control device for the abutting piece 53. Further, the contact piece 53 is provided in the screw structure, and the position of the screw structure welding can be positioned by the contact piece 53 contacting the component.
In addition, the electromagnetic induction member 51 has a spiral structure, and the spiral structure may be formed by winding a coil, may be formed by winding a conductive copper pipe, or may be formed in another form.
The number of turns of the helical structure may be 1 turn, 2 turns, 3 turns, 4 turns, 5 turns, etc., and the number of turns of the helical structure is not limited herein and may be determined according to the required strength of the alternating magnetic field.
As shown in fig. 1 to 4, in an embodiment of the present invention, the abutting member 53 includes a connecting portion 531 and an abutting portion 533, and the connecting portion 531 is connected to the moving assembly 30. The abutting portion 533 is connected to the connecting portion 531, the abutting portion 533 extends into the spiral structure, and the abutting portion 533 has elasticity.
In this embodiment, the spiral structure is protruded below the moving assembly 30, the spiral axis of the spiral structure is disposed along the vertical direction, and the abutting member 53 is located on the spiral axis of the spiral structure and in the through hole formed by the spiral structure. The contact member 53 has a connection portion 531 and a contact portion 533, the connection portion 531 is fixedly connected to the contact portion 533, the contact portion 533 is inserted into the spiral structure, and the contact portion 533 has elasticity. Through the elastic butt of butt portion 533 to components and parts for components and parts paste on the circuit board, the elastic butt can play the effect of contact buffering for the rigid contact, thereby prevents effectively that butt piece 53 from extrudeing and causing the damage to components and parts.
Note that the abutting portion 533 may be fixedly connected to the connecting portion 531, may be detachably connected to the connecting portion 531, or may be connected to the connecting portion in another effective manner.
The abutting portion 533 has elasticity, and may be made of rubber, silicone, or another elastic material.
As shown in fig. 1, 2 and 4, in an embodiment of the present invention, the abutting portion 533 is made of rubber.
In this embodiment, the rubber has good elasticity and insulating property, and electromagnetic induction cannot heat the rubber. The abutting portion 533 of the abutting piece 53 is made of a rubber material, so that good elasticity of the abutting portion 533 can be ensured, insulation of the abutting portion 533 can be ensured, damage of the abutting portion 533 to the component or the circuit board is avoided, the abutting portion 533 cannot be affected by electromagnetic induction, and welding between the component and the circuit board due to heating of the abutting portion 533 by the electromagnetic induction is avoided.
As shown in fig. 1 and fig. 3, in an embodiment of the present invention, a flow passage 51a is provided inside the electromagnetic induction member 51, and the flow passage 51a is used for introducing the cooling liquid.
In this embodiment, the electromagnetic induction member 51 is provided with a flow passage 51a, and the flow passage 51a can be filled with cooling liquid to cool the electromagnetic induction member 51, thereby preventing the electromagnetic induction member 51 from having too high temperature and causing too high temperature of the circuit board. Specifically, the electromagnetic induction member 51 is a spiral structure formed by winding a hollow pipe, and a through hole in the pipe forms the flow passage 51a. So set up, can be effectively to electromagnetic induction spare 51 cooling, ensured that the temperature of circuit board can not too high.
The cooling liquid may be cold water, ethylene glycol, or other effective cooling liquids.
As shown in fig. 1, in an embodiment of the present invention, the moving assembly 30 includes a transporting mechanism 31, a translating mechanism 33 and a lifting mechanism 35, the transporting mechanism 31 is connected to the machine base 10, the transporting mechanism 31 can move in the front-back direction, and the transporting mechanism 31 is used for loading the welded parts. The translation mechanism 33 is connected to the frame 10, and the translation mechanism 33 can move in the left-right direction. The lifting mechanism 35 is connected with the base 10, the lifting mechanism 35 can move up and down, and the lifting mechanism 35 is connected with the welding head 50.
In this embodiment, the base 10 has a loading platform thereon, and the loading platform is located on a horizontal plane. The translation mechanism 33 includes two mounting brackets, a cross beam and a translation member, wherein one mounting bracket is fixedly mounted on one side surface of the machine base 10, and the other mounting bracket is fixedly mounted on the other side surface of the machine base 10. One end of the cross beam is fixedly connected with one mounting rack, and the other end of the cross beam is fixedly connected with the other mounting rack, so that the cross beam is transversely arranged above the loading platform. The translation member is slidably connected to the beam, the lifting mechanism 35 is mounted on the sliding member, and the welding head 50 is convexly arranged below the lifting mechanism 35. The conveying mechanism 31 is used for conveying the welded part to move back and forth, the translation mechanism 33 drives the lifting mechanism 35 to translate left and right, the lifting mechanism 35 drives the welding head 50 to move up and down, the welded part moves back and forth and is matched with the welding head 50 to move left and right and up and down, three-degree-of-freedom movement between the welded part and the welding head 50 is achieved, and accurate positioning between the welded part and the welding head 50 is achieved.
In addition, it should be noted that the transportation mechanism 31 can move in the front-back direction by being driven by a linear motor; the movement can also be realized by the driving of an air cylinder; other ways of achieving movement are also possible.
The translation mechanism 33 can move along the left and right directions and can move by being driven by a linear motor; the movement can also be realized by the driving of an air cylinder; other ways of achieving movement are also possible.
The lifting mechanism 35 can move up and down and can move by being driven by a linear motor; the movement can also be realized by the driving of an air cylinder; other ways of achieving movement are also possible.
As shown in fig. 1 and fig. 5, in an embodiment of the present invention, the electromagnetic induction welding machine 100 further includes a clamping device 70, the clamping device 70 is installed on the transportation mechanism 31, and the clamping device 70 is provided with an insertion structure, and the insertion structure is used for inserting the welded piece.
In this embodiment, by providing the insertion structure on the clamping device 70, the welded part can be conveniently welded and installed on the clamping device 70 in an insertion manner, so that the installation process of the welded part is simplified, and the installation efficiency of the welded part is improved. Particularly, for a production line of batch production, the production efficiency can be improved, and considerable economic benefits are brought.
In addition, it needs to be stated that the inserting structure can be formed by arranging a groove to realize the inserting of a welding part; or two opposite lugs can be arranged, and an inserting space is formed between the lugs to realize the inserting connection of the welding parts; other effective means are also possible.
As shown in fig. 5 and 6, in an embodiment of the present invention, the clamping device 70 includes a bottom plate 71 and two connecting posts 73 disposed oppositely, and the bottom plate 71 is mounted on the transporting mechanism 31. The two connecting posts 73 are respectively provided with a sliding slot, one connecting post 73 is connected to one side of the bottom plate 71, and the other connecting post 73 is connected to the other side of the bottom plate 71. Wherein, the notch of two spouts sets up relatively to form the grafting structure.
In this embodiment, the bottom plate 71 is fixedly installed on the transporting mechanism 31, and the two connecting posts 73 are respectively connected to the bottom plate 71 and oppositely disposed to form an accommodating space for accommodating the soldered circuit board. The side surfaces of the two connecting columns 73 are provided with sliding grooves, and the notches of the two sliding grooves are arranged oppositely. That is, the chutes on the two connecting posts 73 are opposite to each other to form a plug-in structure, and the two side walls in the chutes can clamp the side edges of the circuit board, so that the two opposite side edges of the circuit board can be clamped. The clamping mode can reduce the contact area of the circuit board and can effectively protect the circuit board.
In addition, it should be noted that the sliding groove may extend in the vertical direction, and the circuit board is inserted and mounted in the vertical direction; the sliding groove can also extend along the horizontal direction, and the circuit board is inserted and installed from the horizontal direction; the chute may also extend in other directions.
The bottom plate 71 is mounted on the transportation mechanism 31, and may be mounted by a bolt connection, a slot connection, or other effective mounting methods.
The connecting column 73 can be connected to the bottom plate 71 by bolts, welding, or other effective connecting methods.
As shown in fig. 5 and 6, in an embodiment of the present invention, the clamping device 70 further includes a cover plate 75, the cover plate 75 is disposed on the two connecting posts 73, and detachably connected to the two connecting posts 73, the cover plate 75 is provided with an opening 75, and the opening 75 is used for exposing the welded component.
In this embodiment, the two connection posts 73 are vertically and fixedly connected to the bottom plate 71, the sliding grooves of the connection posts 73 extend in the vertical direction, after the circuit board is inserted into the sliding grooves from the upper side of the connection posts 73, the cover plate 75 covers the two connection posts 73 to cover the circuit board, and the circuit board is detachably connected to the connection posts 73, so that the circuit board can be conveniently mounted. The cover plate 75, the two connecting columns 73 and the bottom plate 71 enclose to form an accommodating space, an opening 75 is formed in the cover plate 75, the opening 75 is communicated with the accommodating space, and a welding part of a welded piece is exposed from the opening 75 so as to facilitate welding of the welding head 50. The design can protect the non-welding area of the circuit board, and has simple and reliable structure and convenient processing and manufacturing.
In addition, it should be noted that the cover plate 75 and the connecting column 73 can be detachably connected by a bolt; the detachable connection can also be realized through the connection of the clamping grooves; other effective detachable connections are also possible.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An electromagnetic induction welding machine, characterized in that said electromagnetic induction welding machine comprises:
a machine base;
the moving assembly is mounted on the base; and
a welding head mounted on the moving assembly, the welding head for generating an alternating magnetic field;
wherein, the motion assembly drives the welding head to move.
2. The electromagnetic induction welder of claim 1, wherein the welding head comprises:
the electromagnetic induction piece is connected to the movement assembly and is used for generating an alternating magnetic field; and
the abutting part is connected with the moving assembly and used for pressing the welded part.
3. The electromagnetic induction welding machine of claim 2 wherein said electromagnetic induction member is a spiral structure and said abutment member extends within said spiral structure.
4. The electromagnetic induction welding machine of claim 3 wherein said abutment member comprises:
a connecting portion connected to the moving assembly; and
the abutting part is connected with the connecting part and extends into the spiral structure, and the abutting part has elasticity.
5. An electromagnetic induction welding machine as defined in claim 4 wherein said abutment is formed of rubber.
6. The electromagnetic induction welding machine of claim 2, wherein the electromagnetic induction part is provided with a flow channel inside, and the flow channel is used for introducing cooling liquid.
7. The electromagnetic induction welding machine of claim 1, wherein said motion assembly comprises:
the conveying mechanism is connected with the base and can move in the front-back direction, and the conveying mechanism is used for loading the welded piece;
the translation mechanism is connected with the base and can move along the left and right directions; and
the lifting mechanism is connected with the base and can move up and down, and the lifting mechanism is connected with the welding head.
8. The electromagnetic induction welding machine of claim 7 further comprising a clamping device mounted to said transport mechanism, said clamping device having a plug-in structure for insertion of a part to be welded.
9. The electromagnetic induction welding machine of claim 8 wherein said clamping means comprises:
a base plate mounted on the transport mechanism; and
the connecting columns are arranged oppositely, each connecting column is provided with a sliding chute, one connecting column is connected to one side edge of the bottom plate, and the other connecting column is connected to the other side edge of the bottom plate;
wherein, the notch of two spout sets up relatively to form the grafting structure.
10. The electromagnetic induction welding machine of claim 9, wherein said clamping device further comprises a cover plate, said cover plate covers said two connecting posts and is detachably connected to said two connecting posts, said cover plate is provided with an opening, and said opening is used for exposing the welded piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086537.0U CN217749751U (en) | 2022-05-07 | 2022-05-07 | Electromagnetic induction welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086537.0U CN217749751U (en) | 2022-05-07 | 2022-05-07 | Electromagnetic induction welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217749751U true CN217749751U (en) | 2022-11-08 |
Family
ID=83883616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221086537.0U Active CN217749751U (en) | 2022-05-07 | 2022-05-07 | Electromagnetic induction welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217749751U (en) |
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2022
- 2022-05-07 CN CN202221086537.0U patent/CN217749751U/en active Active
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