CN213053142U - Welding pad welding machine - Google Patents
Welding pad welding machine Download PDFInfo
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- CN213053142U CN213053142U CN202021443314.6U CN202021443314U CN213053142U CN 213053142 U CN213053142 U CN 213053142U CN 202021443314 U CN202021443314 U CN 202021443314U CN 213053142 U CN213053142 U CN 213053142U
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Abstract
The utility model discloses a pad welding machine, include: the device comprises a workbench for placing a phase shifter, an induction welding device arranged corresponding to the workbench, and an x-axis displacement device, a y-axis displacement device and a z-axis displacement device which are respectively used for driving the induction welding device to move along the x-axis direction, the y-axis direction and the z-axis direction; the workbench is provided with a plurality of bearing seats along the x-axis direction, the bearing seats are provided with clamping grooves for placing the phase shifters, and the clamping grooves are linearly aligned; and a plurality of pressing and positioning mechanisms used for pressing the phase shifter in the clamping grooves are arranged corresponding to the clamping grooves. The utility model discloses an induction welding device implements the welding to the looks shifter pad department, and efficiency is higher, and the heating value is controllable, has improved the welding precision, reduces the technical demand to the operator, reduce cost; the arrangement of the magnetizer is combined, so that the heating of the solder bar is mainly concentrated at the end to be extended; moreover, through the setting of exhaust hole, also guaranteed the quality that moves the looks ware when improving welding efficiency.
Description
Technical Field
The utility model relates to an antenna moves looks ware welding technology field, concretely relates to pad welding machine.
Background
At present, due to the large-scale use of a mobile terminal, the data service in mobile communication is rapidly increased, the output of antennas is always high, for most EMS factories, the welding of phase shifters is always performed by manually operating a mechanical arm, the welding position (the induction welding height is controlled by the front, back, left and right positions) is not good, so that the welding heating is insufficient, and the welding quality is greatly reduced by the welding efficiency; meanwhile, the traditional mode for heating the solder is slow, and the heating amount is not easy to control, so that the requirement on an operator is extremely high, the welding efficiency is reduced, and the production and the delivery of an EMS factory are seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a pad welding machine.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a pad bonder comprising: the device comprises a workbench for placing a phase shifter, an induction welding device arranged corresponding to the workbench, and an x-axis displacement device, a y-axis displacement device and a z-axis displacement device which are respectively used for driving the induction welding device to move along the directions of x, y and z axes; a plurality of bearing seats are arranged on the workbench along the x-axis direction, clamping grooves for placing the phase shifter are formed in the bearing seats, and the clamping grooves are linearly aligned; and a plurality of pressing and positioning mechanisms used for pressing the phase shifter in the clamping grooves are arranged corresponding to the clamping grooves.
The induction welding device comprises a power supply host and an induction welding head powered by the power supply host; the induction welding joint comprises a high-temperature resistant pipe, an induction sleeve and an induction coil, wherein the high-temperature resistant pipe, the induction sleeve and the induction coil are sequentially arranged from inside to outside; the induction coil is electrically connected with the power supply host, and a solder strip is inserted in the high-temperature resistant pipe.
The head end of the high temperature resistant pipe is connected with a first heat insulation block.
And a magnetizer is fixed on the upper end surface of the heat insulation block.
The induction welding joint also comprises a magnetic conduction sleeve which surrounds the high temperature resistant pipe, the induction sleeve and the induction coil; and a welding rod channel for the solder strip to pass through is arranged on the upper end surface and the lower end surface of the heat insulation block and penetrates through the inner wall surface and the outer wall surface of the magnetic conduction sleeve.
A second heat insulation block is further fixed on the upper end face of the magnetic conduction sleeve; and the second heat insulation block is fixedly provided with an ejection mechanism used for driving the solder strip to extend out of the tail end of the high-temperature resistant pipe.
And the upper end surface of the workbench is provided with a plurality of exhaust holes connected to the negative pressure pumping device.
The pressing and positioning mechanism is a corner pressing cylinder; and a compression block is also fixed on the piston rod of the corner downward pressing cylinder.
And a buffer rubber pad is fixed on the lower end face of the pressing block.
The x axial displacement device is a lead screw linear module; the y-axis displacement device is a sliding table cylinder module movably arranged on the lead screw linear module; the z-axis displacement device is movably mounted on a cylinder linear module of the sliding table cylinder module, and the induction welding device is movably mounted on the cylinder linear module.
The utility model has the advantages that: the utility model has the advantages of reasonable and ingenious structural design, simple structure, and higher efficiency and controllable heating quantity compared with the traditional welding equipment by welding the bonding pad of the phase shifter through the induction welding device, thereby improving the welding precision, reducing the technical requirements on operators and lowering the cost; the arrangement of the magnetizer is combined, so that the part close to the magnetizer in the alternating magnetic field generated by the induction coil can be effectively interfered, the heating capacity of the upper end of the solder bar is reduced, and the heating of the solder bar is mainly concentrated at the end to be extended out; moreover, through the setting of exhaust hole, the ventilation heat dispersion of workstation has been improved, and the heat is in moving the local accumulation on the looks ware when avoiding welding, has also guaranteed the quality of moving the looks ware when improving welding efficiency.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
FIG. 1 is a perspective view of a bonding pad welding machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a supporting seat in an embodiment of the present invention;
fig. 3 is a cross-sectional view of an induction welding head in an embodiment of the invention.
Detailed Description
An embodiment, the utility model discloses mainly used combines together the pin of paster component and the pad that moves the looks ware through melting cooling of solder to the welding that moves the looks ware, realizes the automatic weld to moving the looks ware.
The embodiment of the present invention provides a pad bonding machine with reference to fig. 1 to 3, including: the device comprises a workbench 1 for placing a phase shifter, an induction welding device 2 arranged corresponding to the workbench 1, and an x-axis displacement device 3, a y-axis displacement device 4 and a z-axis displacement device 5 which are respectively used for driving the induction welding device 2 to move along the x-axis direction, the y-axis direction and the z-axis direction; a plurality of bearing seats 11 are arranged on the workbench 1 along the x-axis direction, clamping grooves 111 for placing the phase shifters are arranged on the bearing seats 11, and the clamping grooves 111 are linearly aligned; a plurality of pressing and positioning mechanisms 12 for pressing the phase shifter in the clamping groove 111 are also arranged corresponding to the clamping groove 111.
Specifically, the induction welding device 2 is driven to move along the directions of x, y and z axes by the x-axis displacement device 3, the y-axis displacement device 4 and the z-axis displacement device 5, so that the induction welding device 2 can move to any accurate welding point, namely the induction welding device 2 can be aligned to any welding pad in the phase shifter to realize the welding of the chip element and the welding pad; what use here is induction welding set 2, compares traditional welding equipment, and efficiency will be higher, and the heating capacity is controllable, reduces the technical demand to the operator, reduce cost, the following one-to-one correspondence explains.
Furthermore, the upper end surface of the bearing seat 11 is provided with a feeding inclined surface 112 corresponding to the clamping groove 111, so that the phase shifter can be conveniently placed in.
The induction welding device 2 comprises a power supply main machine 21 and an induction welding head 22 powered by the power supply main machine 21; the induction welding joint 22 comprises a high-temperature resistant pipe 221, an induction sleeve 222 and an induction coil 223 sleeved on the induction sleeve 222, which are arranged in sequence from inside to outside; the induction coil 223 is electrically connected to the power supply host 21, and a solder strip is inserted into the high temperature resistant tube 221.
Specifically, the power supply host 21 is configured to provide a high-frequency oscillating current to the induction coil 223, generate an alternating magnetic field inside and around the induction coil 223, cut the solder strip inserted in the high-temperature resistant tube 221 by magnetic lines of force, according to the electromagnetic field theory, generate an induced electromotive force in the changing magnetic field, form a closed current loop on the surface of the solder strip, that is, form an eddy current, and generate heat inside the solder strip through the eddy current, so as to heat the solder strip.
The formed alternating magnetic field will also cut the high temperature resistant pipe 221 and the induction sleeve 222, and the induction sleeve 222 is made of a high temperature resistant insulating material, wherein the high temperature insulating material may be a ceramic material, a high temperature mica product, or the like; the high temperature resistant pipe 221 needs to have good thermal conductivity and high melting point, so as to avoid affecting the service life of the induction welding head 22, and avoid the molten material from permeating into the solder bar to affect the welding effect and cause bad products.
The head end of the high temperature resistant pipe 221 is connected with a first heat insulation block 224.
And a magnetizer 225 is fixed on the upper end surface of the heat insulation block.
Specifically, the first thermal-insulating block 224 is provided to avoid adverse reaction caused by overheating of the magnetizer 225 fixed on the first thermal-insulating block 224. Because the magnetizer 225 has excellent magnetic conductivity, the portion close to the magnetizer 225 in the alternating magnetic field generated by the induction coil 223 can be effectively interfered, so that the heating capacity of the upper end of the solder bar is reduced, and the heating of the solder bar is mainly concentrated at the lower end (namely the end to be extended) of the solder bar; and further meets the heating requirement of the solder bar during welding (the lower end/protruding end is heated and melted to realize welding).
Further, since the amount of heating of the solder strip is associated with the alternating magnetic field, which is in turn associated with the high-frequency oscillating current supplied from the power supply main unit 21; furthermore, the utility model discloses a solder strip is heated controllably, improves welding precision to heating efficiency is higher, can make solder strip receive the melting of heat department sooner, improves the utility model discloses a welding efficiency. Meanwhile, due to controllable heating, the quantity of the molten solder strips is the same at each time, so that the technical requirements for operators are reduced, and one person can control a plurality of welding machines of the bonding pads simultaneously, thereby reducing the production cost.
The induction welding joint 22 further comprises a flux sleeve 226 surrounding the high temperature resistant pipe 221, the induction sleeve 222 and the induction coil 223; a welding rod channel for the solder strip to pass through is arranged on the inner wall surface and the outer wall surface of the magnetic sleeve 226 and the upper end surface and the lower end surface of the heat insulation block.
Specifically, the flux sleeve 226 also has excellent magnetic conductivity, so that the alternating magnetic field generated by the induction coil 223 can be effectively prevented from being emitted out of the induction welding head 22, and the influence of redundant heat energy on the quality of the product (phase shifter) can be avoided.
A second heat insulation block 227 is further fixed on the upper end surface of the magnetic sleeve 226; an ejection mechanism for driving the solder strip to extend out of the end of the refractory tube 221 is fixed to the second thermal insulation block 227.
Specifically, the second thermal insulating block 227 is to avoid the performance of the ejection mechanism from being affected by excessive heat. The ejection mechanism can be a moving thimble driven by a cylinder, a belt clamped in parallel, or a solder strip with periodicity as much as possible provided by a feeding device. The second insulating block 227 is provided with a through hole for the solder strip to pass through.
Further, the solder strip may be a solder strip or a tin strip.
The upper end surface of the workbench 1 is provided with a plurality of exhaust holes 13 connected to a negative pressure pumping device.
Specifically, through the setting of exhaust hole 13, be favorable to the ventilation cooling of workstation 1, heat is avoided when the welding to partly gather on moving the looks ware to influence moves the looks ware quality. The quality of the phase shifter is also ensured while the welding efficiency is improved.
Further, the induction welding device 2 is also provided with a ccd camera for identifying a bonding pad on the phase shifter.
The pressing and positioning mechanism 12 is a corner pressing cylinder; and a compression block is also fixed on the piston rod of the corner downward pressing cylinder.
Specifically, the corner pressing cylinder drives the pressing block to rotate and press downwards, and pressing and positioning of the phase shifter to be welded are achieved.
And a buffer rubber pad is fixed on the lower end face of the pressing block. The risk of damage to the product is reduced.
The x axial displacement device 3 is a screw rod linear module; the y-axis displacement device 4 is a sliding table cylinder module movably arranged on the lead screw linear module; z axial displacement device 5 is movable mounting be the cylinder sharp module of slip table cylinder module, 2 movable mounting of induction welding device are in on the cylinder sharp module.
Specifically, the x-axis displacement device 3, the y-axis displacement device 4, and the z-axis displacement device 5 may be replaced by other linear displacement modules commonly used in the art. In this embodiment, the movement of the x axial displacement device 3 driving the y axial displacement device 4 after each welding is formed to be 79mm, the maximum forward and backward movement stroke of the y axial displacement device 4 driving the z axial displacement device 5 is 24mm, and the maximum upward and downward movement stroke of the z axial displacement device 5 driving the induction welding device 2 is 40mm, which is beneficial to improving the welding precision.
When the phase shifter is used, the phase shifters to be welded are placed on the plurality of containing seats through the clamping grooves 111, the compression blocks are driven to rotate and press downwards through the corner pressing cylinders, and the phase shifters to be welded are compressed in the clamping grooves 111; the cooperative work of the x-axis displacement device 3, the y-axis displacement device 4 and the z-axis displacement device 5 drives the induction welding head 22 of the induction welding device 2 to align with a pad to be welded on the phase shifter to be welded;
the power supply host 21 of the induction welding device 2 provides high-frequency oscillation current for the induction coil 223, an alternating magnetic field is generated inside and around the induction coil 223, the solder strip inserted in the high-temperature resistant pipe 221 is cut by magnetic lines of force to generate induced electromotive force, the induced electromotive force forms a closed current loop on the surface of the solder strip, namely, eddy current is formed, heat is generated inside the solder strip through the eddy current to heat the solder strip, and the tail end of the solder strip is heated and melted by matching with the interference of the magnetizer 225;
the ejection mechanism drives the solder strip to be ejected out of the high-temperature resistant pipe 221, the z-axis displacement device 5 drives the induction welding device 2 to move downwards again, so that the solder strip contacts the pad, and the pad and the pin of the patch element are welded at the pad; and then the welding of the rest bonding pad positions is completed in sequence from inside to outside.
The utility model has reasonable and ingenious structural design and simple structure, and implements the welding of the welding pad of the phase shifter through the induction welding device 2, compared with the traditional welding equipment, the efficiency is higher, the heating quantity is controllable, the welding precision is improved, the technical requirement on operators is reduced, and the cost is reduced; by combining the arrangement of the magnetizer 225, the part close to the magnetizer 225 in the alternating magnetic field generated by the induction coil 223 can be effectively interfered, so that the heating capacity of the upper end of the solder strip is reduced, and the heating of the solder strip is mainly concentrated at the end to be extended; moreover, through the setting of exhaust hole 13, the ventilation heat dispersion of workstation 1 has been improved, and the heat is in moving the local accumulation on the looks ware when avoiding welding, has also guaranteed the quality of moving the looks ware when improving welding efficiency.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A pad bonder, comprising: the device comprises a workbench for placing a phase shifter, an induction welding device arranged corresponding to the workbench, and an x-axis displacement device, a y-axis displacement device and a z-axis displacement device which are respectively used for driving the induction welding device to move along the directions of x, y and z axes;
a plurality of bearing seats are arranged on the workbench along the x-axis direction, clamping grooves for placing the phase shifter are formed in the bearing seats, and the clamping grooves are linearly aligned;
and a plurality of pressing and positioning mechanisms used for pressing the phase shifter in the clamping grooves are arranged corresponding to the clamping grooves.
2. The pad bonding machine of claim 1, wherein the induction bonding device comprises a power supply host and an induction bonding head powered by the power supply host;
the induction welding joint comprises a high-temperature resistant pipe, an induction sleeve and an induction coil, wherein the high-temperature resistant pipe, the induction sleeve and the induction coil are sequentially arranged from inside to outside;
the induction coil is electrically connected with the power supply host, and a solder strip is inserted in the high-temperature resistant pipe.
3. The pad welding machine of claim 2, wherein a first thermal insulating block is attached to the head end of the refractory tube.
4. The pad bonding machine of claim 3, wherein a magnetizer is fixed to the upper end surface of the heat insulation block.
5. The pad bonding machine of claim 4, wherein the induction bonding head further comprises a flux sleeve disposed around the refractory tube, induction sleeve, induction coil;
and a welding rod channel for the solder strip to pass through is arranged on the upper end surface and the lower end surface of the heat insulation block and penetrates through the inner wall surface and the outer wall surface of the magnetic conduction sleeve.
6. The bonding pad welding machine of claim 5, wherein a second heat insulation block is further fixed on the upper end face of the magnetic conductive sleeve;
and the second heat insulation block is fixedly provided with an ejection mechanism used for driving the solder strip to extend out of the tail end of the high-temperature resistant pipe.
7. The pad bonding machine according to claim 1, wherein the upper end surface of the worktable is provided with a plurality of vent holes connected to the negative pressure pumping means.
8. The pad welding machine of claim 1, wherein the pressing and positioning mechanism is a corner pressing cylinder;
and a compression block is also fixed on the piston rod of the corner downward pressing cylinder.
9. The pad welding machine of claim 8, wherein a buffer rubber pad is fixed on the lower end face of the pressing block.
10. The pad bonding machine of claim 1, wherein the x-axis displacement device is a lead screw linear module;
the y-axis displacement device is a sliding table cylinder module movably arranged on the lead screw linear module;
the z-axis displacement device is movably mounted on a cylinder linear module of the sliding table cylinder module, and the induction welding device is movably mounted on the cylinder linear module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021443314.6U CN213053142U (en) | 2020-07-21 | 2020-07-21 | Welding pad welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021443314.6U CN213053142U (en) | 2020-07-21 | 2020-07-21 | Welding pad welding machine |
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| Publication Number | Publication Date |
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| CN213053142U true CN213053142U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021443314.6U Active CN213053142U (en) | 2020-07-21 | 2020-07-21 | Welding pad welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619115A (en) * | 2022-02-25 | 2022-06-14 | 广东粤灿半导体设备有限公司 | Wedge-shaped induction heating head |
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2020
- 2020-07-21 CN CN202021443314.6U patent/CN213053142U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619115A (en) * | 2022-02-25 | 2022-06-14 | 广东粤灿半导体设备有限公司 | Wedge-shaped induction heating head |
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