CN210412960U

CN210412960U - Constant temperature laser soldering device

Info

Publication number: CN210412960U
Application number: CN201921109155.3U
Authority: CN
Inventors: 黎明; 潘文杰
Original assignee: Ruijil Wuxi Laser Technology Development Co Ltd
Current assignee: Ruijil Wuxi Laser Technology Development Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-28
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a laser soldering technical field, concretely relates to constant temperature laser soldering device, the on-line screen storage device comprises a base, the longmen removes the subassembly, the optical lens subassembly, stifled silk warning subassembly and send a regulation frame subassembly, the longmen removes the subassembly and includes horizontal beam, be provided with X axle KK module on the horizontal beam, first guide slider fixedly connected with Z axle KK module, second guide slider and stifled silk warning subassembly fixed connection, the optical lens unit mount is in stifled silk warning subassembly's below, the cover is equipped with and sends a regulation frame subassembly on the welding head, Y axle KK module has still been laid on the base, through having adopted multiaxis servo module and CCD coaxial positioning system, welded precision and automated production have been guaranteed, infrared temperature measuring device and visual monitoring device have still been adopted and have realized the real time monitoring to butt joint operating mode, welded goodness rate has been improved, and laser, formation of image, the, The temperature measurement three points are coaxial, the labor cost is reduced, the phenomenon of wire blockage can be prevented, and the stability is further improved.

Description

Constant temperature laser soldering device

Technical Field

The utility model relates to a laser soldering technical field, concretely relates to constant temperature laser soldering device.

Background

With the development of electronic miniaturization and wire processing technology, the traditional welding technology has become a bottleneck and is difficult to adapt to the upgrade of the products in the microelectronics industry, so that the laser soldering technology becomes a more excellent choice for obtaining a more advanced welding technology.

However, most laser soldering processes in the market at present have the problems of low precision, low efficiency, high cost and the like. The temperature and density of the laser during welding are often not measured well, thereby reducing the accuracy of the weld. Meanwhile, the general laser soldering tool is very complex in structure, a workpiece to be welded needs to be manually controlled to move for welding, the labor cost is increased, and the tool is not intelligent enough.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a constant temperature laser soldering device, the technical problem that solve realize the correction counterpoint under the simple operation to can guarantee the welding precision simultaneously, and make it be applicable to automation line, carry out real time monitoring to the temperature and the operating mode of welding, improve welded yields.

In order to solve the technical problem, the utility model provides a technical scheme is: the constant-temperature laser soldering device comprises a base, a gantry moving component, an optical lens component, a wire blocking alarm component and a wire feeding adjusting rack component;

the gantry moving assembly is arranged on the base and comprises a horizontal cross beam, an X-axis KK module is arranged on the horizontal cross beam and comprises a first guide sliding block moving transversely in the horizontal direction, the first guide sliding block is fixedly connected with a Z-axis KK module, and the Z-axis KK module comprises a second guide sliding block moving in the vertical direction;

the second guide sliding block is fixedly connected with the wire blockage alarming assembly, the wire blockage alarming assembly comprises a winding material roll, a material guide pipe, a photoelectric detection unit and a detection rod, the material guide pipe is located below the winding material roll, the detection rod is connected with the material guide pipe and extends into the photoelectric detection unit, a spring and an adjusting pipe are sleeved on the material guide pipe, the spring is located below the detection rod, and the adjusting pipe is movably arranged on the material guide pipe and used for adjusting the length of the spring between the adjusting pipe and the detection rod;

the optical lens assembly is arranged below the wire blocking alarm assembly and comprises a welding head, an optical fiber collimating coupler, an infrared temperature measuring unit, a visual monitoring unit and an installation box, the welding head, the optical fiber collimating coupler, the infrared temperature measuring unit and the visual monitoring unit are all arranged on the installation box, a reflector group is arranged in the installation box and respectively corresponds to the welding head, the optical fiber collimating coupler, the infrared temperature measuring unit and the visual monitoring unit, near-parallel light emitted by the optical fiber collimating coupler sequentially passes through the reflector group and then reaches the welding head, and is coaxial with infrared rays emitted by the infrared temperature measuring unit;

the welding head is sleeved with a wire feeding adjusting frame assembly, the wire feeding adjusting frame assembly comprises an adjusting part and a wire feeding part, the adjusting part comprises a fixing block and an adjusting block, the fixing block is fixedly connected with the welding head, the adjusting block is movably connected with the fixing block, the wire feeding part penetrates through the adjusting block, the wire feeding part comprises a wire feeding pipe and a wire guide pipe, the wire feeding pipe and the wire guide pipe are communicated with each other, the wire feeding pipe corresponds to the guide pipe, and the wire guide pipe corresponds to the welding head;

still laid the Y axle KK module on the base, the Y axle KK module includes the third guide slider that removes on the horizontal direction, and the moving direction of third guide slider is perpendicular with the moving direction of first guide slider.

Furthermore, the photoelectric detection unit comprises an emitting piece and a receiving piece, the emitting piece and the receiving piece are oppositely arranged, one end of the detection rod is connected with the material guide pipe, and the other end of the detection rod is positioned between the emitting piece and the receiving piece.

Furthermore, the adjusting pipe is externally sleeved with a threaded ring.

Furthermore, the reflector group comprises a first reflector, a second reflector and a third reflector, the first reflector is arranged corresponding to the optical fiber collimating coupler, the second reflector is arranged corresponding to the infrared temperature measuring unit and the vision monitoring unit, the vision monitoring assembly is arranged on the other side of the second reflector relative to the infrared temperature measuring assembly, and the third reflector is arranged corresponding to the first reflector, the second reflector and the welding head.

Further, optics collimating coupler includes hollow outer casing, outer casing and install bin fixed connection, vertical spout has been seted up on the outer casing, the inside of outer casing is provided with hollow inlayer casing, be provided with the rectangle rack on the inlayer casing, rectangle rack slip block is in the spout, the length of spout is greater than the length of rectangle rack, still be provided with micro motor on the outer casing, micro motor transmission is connected with the cylindrical gear, cylindrical gear and rectangle rack phase-match set up.

Furthermore, the infrared temperature measurement unit comprises a temperature probe adjustment frame, the temperature probe adjustment frame comprises an upper adjustment plate and a lower fixed plate which are same in size and square, the lower fixed plate is fixed on the installation box, a first thread pair and a second thread pair respectively penetrate through two opposite corners of the upper adjustment plate, an adjustment groove is formed in the top surface of the lower fixed plate and is positioned under the second thread pair, the bottom ends of the first thread pair and the second thread pair are both spherical, the bottom end of the first thread pair is connected with the top surface of the lower fixed plate, the bottom end of the second thread pair is clamped in the adjustment groove, a steel ball is also clamped between the upper adjustment plate and the lower fixed plate, coaxial infrared temperature measurement channels are vertically formed in the upper adjustment plate and the lower fixed plate, a temperature measurement probe is arranged on the upper adjustment plate, infrared rays emitted by the temperature measurement probe reach the welding head assembly through the infrared temperature measurement channels, screws are further arranged on the upper adjusting plate and the lower fixing plate in a penetrating mode, the screws are fixed on the lower fixing plate, and gaps exist between the screws and the upper adjusting plate.

Further, the fixed block includes the fixed arm, the fixed arm rotates with the adjusting block in the horizontal direction to be connected, be provided with the adjusting arm on the adjusting block, wear to be equipped with first limit knob on the adjusting arm, rotate through the screw thread between first limit knob and the adjusting arm and be connected, the head of first limit knob is just being greater than the head to the distance of fixed arm of first limit knob to the length of fixed arm and first limit knob, the adjusting block is still worn to be equipped with the spacing knob of second, the head of the spacing knob of second is just being greater than the head to the distance of the bottom surface of adjusting part of the bottom surface of adjusting block and the length of the spacing knob of second.

The utility model discloses a multiaxis servo module and CCD coaxial positioning system have realized that the clarity presents the solder joint and in time rectifies the counterpoint, have guaranteed welded precision and automated production, have improved production efficiency. Meanwhile, the infrared temperature measuring device and the visual monitoring device are adopted to realize real-time monitoring of the working condition of the butt welding point, the welding yield is improved, three points of laser, imaging and temperature measurement are coaxial, the problem of multi-light path coincidence in the industry is perfectly solved, the operation is simplified, the labor cost is reduced, the phenomenon of wire blockage can be prevented, and the stability is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the constant-temperature laser soldering apparatus according to the embodiment of the present invention;

FIG. 2 is a schematic structural view of a gantry moving assembly of the constant temperature laser soldering apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an optical lens assembly in an embodiment of the constant-temperature laser soldering apparatus of the present invention;

fig. 4 is a schematic structural diagram of an optical fiber collimating coupler in an embodiment of the constant-temperature laser soldering apparatus of the present invention;

fig. 5 is a schematic view of an internal structure of an optical fiber collimating coupler in an embodiment of the constant-temperature laser soldering apparatus of the present invention;

fig. 6 is a schematic structural view of an inner shell of the constant-temperature laser soldering apparatus according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a temperature measuring probe of the constant temperature laser soldering apparatus according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of the second reflecting mirror and the third reflecting mirror in the installation box of the constant temperature laser soldering device according to the embodiment of the present invention;

fig. 9 is a schematic structural view of a second reflecting mirror in the installation box of the constant temperature laser soldering device according to the embodiment of the present invention;

fig. 10 is a schematic structural view of a first reflector in an installation box of the constant-temperature laser soldering apparatus according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a wire blocking alarm component in an embodiment of the constant-temperature laser soldering device of the present invention;

fig. 12 is a schematic view of the internal structure of the wire-plugging alarm component in the embodiment of the constant-temperature laser soldering apparatus of the present invention;

fig. 13 is a partially enlarged schematic structural view of the constant-temperature laser soldering apparatus of the present invention at a position I in fig. 12;

fig. 14 is a schematic structural view of a wire feeding adjusting rack assembly in an embodiment of the constant temperature laser soldering apparatus of the present invention;

fig. 15 is another schematic structural view of the wire feeding adjusting rack assembly of the constant temperature laser soldering apparatus according to the embodiment of the present invention;

in the figure: 1-base, 2-gantry moving component, 21-horizontal beam, 22-X axis KK module, 221-first guide slide block, 23-Z axis KK module, 231-second guide slide block, 24-Y axis KK module, 241-third guide slide block, 3-optical lens component, 31-welding head, 32-optical fiber collimation coupler, 321-outer shell, 3211-chute, 3212-micro motor, 3213-cylindrical gear, 322-inner shell, 3222-rectangular rack 33-infrared temperature measuring unit, 331-temperature probe adjusting frame, 332-upper adjusting plate, 3321-first thread pair, 3322-second thread pair, 333-lower fixing plate, 3331-adjusting groove, 334-steel ball, 335-infrared temperature measuring channel, 336-temperature measuring probe, 337-screw, 34-visual monitoring unit, 35-mounting box, 351-reflector group, 3511-first reflector, 3512-second reflector, 3513-third reflector, 4-wire blocking alarm component, 41-coil winding, 42-guide tube, 43-photoelectric detection unit, 431-emitting component, 432-receiving component and 44-detection rod, 45-spring, 46-adjusting tube, 461-thread ring, 5-wire feeding adjusting frame component, 51-adjusting part, 511-fixing block, 5111-fixing arm, 512-adjusting block, 5121-adjusting arm, 52-wire feeding part, 521-wire feeding tube, 522-wire guiding tube, 53-first limit knob and 54-second limit knob.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it should be understood that the preferred embodiments are described herein for purposes of illustration and explanation, and not limitation.

As shown in figures 1 to 15, the constant-temperature laser soldering device can clearly present welding spots and timely correct alignment, ensures the welding precision and automatic production, can monitor the temperature of welding spots and industrial and mining fields in real time, improves the welding yield, can prevent wire blockage, and further improves the stability. Specifically, the constant-temperature laser soldering device comprises a base 1, a gantry moving assembly 2, an optical lens assembly 3, a wire blocking alarm assembly 4 and a wire feeding adjusting frame assembly 5, wherein the gantry moving assembly 2 is mainly used for controlling the optical lens assembly 3, the wire blocking alarm assembly 4 and the position of the wire feeding adjusting frame assembly 5 so as to facilitate welding. One of the main functions of the optical lens component 3 is to connect the optical fiber and convert the optical fiber into near-parallel light emission laser for welding, and the other function is to measure the temperature and the density of the laser and simultaneously observe the welding process in real time, thereby achieving the technical effect of constant temperature and improving the measurement precision and the yield. The wire blockage alarm assembly 4 has the main functions of conveying the tin wire and preventing the phenomenon of blockage in the process of conveying the tin wire from influencing the tin soldering process. The wire feeding adjusting frame assembly 5 has the main functions of transmitting the tin wire conveyed by the wire blocking alarm assembly 4 to enable the tin wire to be connected with the laser emitted by the welding head 31 for soldering, and performing fine adjustment to improve the welding precision.

The gantry moving assembly 2 is arranged on the base 1 and comprises two stroke columns with the same height, a horizontal cross beam 21 is erected between the two stroke columns, an X-axis KK module 22 is arranged on the horizontal cross beam 21, the X-axis KK module 22 comprises a first guide sliding block 221 capable of moving transversely in the horizontal direction, the gantry moving assembly further comprises a linear guide rail and a motor, and the motor drives the first guide sliding block 221 to slide on the linear guide rail. The first guide sliding block 221 is fixedly provided with a Z-axis KK module 23, and the Z-axis KK module comprises a second guide sliding block 231 capable of sliding in the vertical direction, so that a device fixed on the second guide sliding block 231 can move on the X-axis and the Z-axis under the driving of a motor.

The second guiding sliding block 231 is fixedly connected with the wire blockage warning assembly 4, the wire blockage warning assembly 4 comprises a winding material roll 41, a material guiding pipe 42, a photoelectric detection unit 43 and a detection rod 44, the material guiding pipe 42 is located below the winding material roll 41, the detection rod 44 is connected with the material guiding pipe 42 and extends into the photoelectric detection unit 43, a spring 45 and an adjusting pipe 46 are sleeved on the material guiding pipe 42, the spring 45 is located below the detection rod 44, and the adjusting pipe 46 is movably arranged on the material guiding pipe 42 and used for adjusting the length of the spring 45 between the adjusting pipe 46 and the detection rod 44. Therefore, when the tin wire is blocked in the material guide tube 42, the material guide tube 42 can drive the detection rod 44 to move downwards, and then the photoelectric detection unit 43 detects the movement of the detection rod 44, so that the phenomenon of wire blockage in the material guide tube 42 can be judged, operators can be prompted timely, and greater loss is avoided.

The optical lens component 3 is installed below the wire-blocking alarm component 4, the optical lens component 3 comprises a welding head 31, an optical fiber collimating coupler 32, an infrared temperature measuring unit 33, a visual monitoring unit 34 and an installation box 35, wherein the welding head 31 is mainly used for receiving laser transmitted by the optical fiber collimating coupler 32 and emitting the laser to be acted with a tin wire for welding, the optical fiber collimating coupler 32 is mainly used for converging scattered light transmitted by optical fibers into near parallel light and emitting the near parallel light to the welding head 31, the infrared temperature measuring unit 33 is mainly used for measuring the density and energy of the laser emitted by the infrared welding head 31 at a welding position so as to improve the welding precision, and the visual monitoring unit 34 is mainly used for enabling an operator to observe the condition change of the welding position in real time through reflection imaging of the light, the welding precision is further improved, and the welding head 31, the optical fiber collimating coupler 32, the infrared temperature measuring unit 33 and the vision monitoring unit 34 are all installed on the installation box 35. Be provided with the speculum group 351 in the install bin 35, speculum group 351 has included the multiaspect speculum, these speculums respectively with soldered connection 31, fiber collimation coupler 32, infrared temperature measuring unit 33 and visual monitoring unit 34 are corresponding, make finally can realize that nearly parallel light that fiber collimation coupler 32 launched reachs soldered connection 31 behind speculum group 351 in proper order, the infrared ray that can make infrared temperature measuring unit 33 launch simultaneously is coaxial with the laser of soldered connection 31 transmission, thereby the measurement accuracy of laser energy density when treating a welding piece and receiving laser beam and shine has been improved, also can survey the temperature variation of splice simultaneously, thereby realize the control of a butt welding temperature, reach homothermal technological effect, welded precision and yields have been improved.

The wire feeding adjusting rack assembly 5 is fitted over the welding head 31, and the wire feeding adjusting rack assembly 5 includes an adjusting portion 51 and a wire feeding portion 52. The adjusting part 51 is fixedly connected to the welding head 31, and is capable of performing fine adjustment in a direction independently, and the fine adjustment part is fixedly connected to the wire feeding part 52 to rotate the wire feeding part 52 to adjust. The adjusting portion 51 includes a fixing block 511 and an adjusting block 512, wherein the fixing block 511 is mainly used for fixedly connecting with the bonding head 31, and the adjusting block 512 is movably connected with the fixing block 511, so that the adjusting block 512 can be adjusted relative to the fixing block 511, i.e., relative to the entire optical lens assembly 3. The wire feeding portion 52 is disposed through the adjusting block 512, so that the wire feeding portion 52 can also follow the rotation of the adjusting block 512 to be adjusted. The wire feeding part 52 comprises a wire feeding pipe 521 and a wire guiding pipe 522, the wire feeding pipe 521 and the wire guiding pipe 522 are communicated with each other, the wire feeding pipe 521 corresponds to the guide pipe 42, and the wire guiding pipe 522 corresponds to the welding head 31, so that the tin wire led out through the guide pipe 52 enters from the wire feeding pipe 521, extends from the wire guiding pipe 522 and then is connected with the laser emitted from the welding head 31, and welding is performed.

A Y-axis KK module 24 is further laid on the base 1, the Y-axis KK module 24 includes a third guiding slider 241 moving in the horizontal direction, and the moving direction of the third guiding slider 241 is perpendicular to the moving direction of the first guiding slider 221. When needing to weld, only need will treat that the weldment is placed on third guide slider 241, realized the removal of soldered connection 31 in X axle and Z axle direction through mutually supporting of X axle KK module 22 and Z axle KK module 23, realized sending a fine setting of silk portion 52 through sending a regulation shelf subassembly 5, realized treating through Y axle KK module 24 that the weldment can be for soldered connection 31 the removal in Y axle direction at last.

In this embodiment, the photodetecting unit 43 comprises an emitting part 431 and a receiving part 432, the emitting part 431 and the receiving part 432 are oppositely arranged, one end of the detecting rod 44 is connected with the material guiding pipe 42, and the other end is located between the emitting part 431 and the receiving part 432, so that when the wire blockage phenomenon occurs in the material guiding pipe 42, the material guiding pipe 42 moves downwards, the detecting rod 44 is driven to bend, and the wire blockage phenomenon cannot be accurately blocked between the emitting part 431 and the receiving part 432, so that the reaction of the photodetecting unit 43 is caused, so as to remind an operator of the occurrence of the wire blockage fault at this time, and the wire blockage fault needs to be dealt with in time.

In this embodiment, the adjusting tube 46 is externally provided with a threaded ring 461, so that the adjusting tube 45 can be engaged with other elements through the threaded ring 461 and then kept fixed, and the adjusting tube 46 and the feeding tube 42 are tightly fitted, so that when the feeding tube 42 is deformed downwards, only the spring 45 between the adjusting tube 46 and the detecting rod 44 can play a role of rebounding on the feeding tube 42. The operator can screw the thread ring 461 to adjust the position of the adjusting tube 46 relative to the feeding tube 42, and further adjust the rebounding force of the spring 45 on the feeding tube 42.

In this embodiment, the mirror group 351 includes a first mirror 3511, a second mirror 3512 and a third mirror 3513, the first mirror 3511 is disposed corresponding to the fiber-optic collimating coupler 32, the second mirror 3512 is disposed corresponding to the infrared temperature measuring unit 33 and the vision monitoring unit 34, the vision monitoring assembly 34 is located at the other side of the second mirror 3512 relative to the infrared temperature measuring unit 33, the third mirror 3513 is disposed corresponding to the first mirror 3511, the second mirror 3512 and the welding head 31 at the same time, so that the near-parallel light emitted by the fiber-optic collimating coupler 32 can reach the welding head 31 through the first mirror 3511 and the third mirror 3513 in sequence to emit laser light, and the infrared light emitted by the infrared temperature measuring unit 33 can emit from the welding head 31 through the second mirror 3512 and the third mirror 3513 in sequence to form an image on the vision monitoring unit 34 through the actions of the third mirror 3513 and the second mirror 3512 in sequence, therefore, the measurement of the density and the temperature of the laser during welding and the real-time monitoring of the welding process are realized. Meanwhile, the infrared temperature measuring unit 33 and the visual monitoring unit 34 are respectively positioned at two sides of the second reflecting mirror 3512, the structure is ingenious, the double technical effects of infrared ray penetration and imaging refraction can be realized by only adopting one reflecting mirror, and the operation space is saved.

In this embodiment, the optical collimating coupler 32 includes a hollow outer shell 321, the outer shell 321 is fixedly connected to the mounting box 35, a vertical sliding groove 3211 is formed in the outer shell 321, the hollow inner shell 322 is disposed inside the outer shell 321, a rectangular rack 3222 is disposed on the inner shell 322, the rectangular rack 3222 is slidably engaged with the sliding groove 3211, and the length of the sliding groove 3211 is greater than the length of the rectangular rack 3222, so that the inner shell 322 is slidably connected to the outer shell 321. Still be provided with micro motor 3212 on outer casing 321, micro motor 3212 transmission is connected with cylindrical gear 3213, and cylindrical gear 3213 and rectangular rack 3222 phase-match set up, can make through starting micro motor 3212 like this, it can drive cylindrical gear 3213 and rotate to drive rectangular rack 3222 and reciprocate, and then make inner casing 322 can reciprocate for outer casing 321. Usually, be provided with fiber connector and condensing lens in the inlayer casing 322, and condensing lens and inlayer casing 322 fixed connection, can adjust fiber connector to the interval size of condensing lens from this to the size of facula on the change condensing lens, and then can adjust the density and the energy of laser.

In this embodiment, the infrared temperature measuring unit 33 includes a temperature probe adjusting frame 331, the temperature probe adjusting frame 331 includes an upper adjusting plate 332 and a lower fixing plate 333 which have the same size and are square, the lower fixing plate 333 is fixed on the mounting box 35, two opposite corners of the upper adjusting plate 332 are respectively penetrated with a first screw pair 3321 and a second screw pair 3322, the top surface of the lower fixing plate 333 is opened with an adjusting groove 3331, the adjusting groove 3331 is located right below the second screw pair 3322, the bottom ends of the first screw pair 3321 and the second screw pair 3322 are both spherical, the bottom end of the first screw pair 3321 is connected with the top surface of the lower fixing plate 333, the bottom end of the second screw pair 3322 is clamped in the adjusting groove 3331, a steel ball 334 is clamped between the upper adjusting plate 332 and the lower fixing plate 333, because the bottom ends of the first screw pair 3321 and the second screw pair 3322 are both supported on the lower fixing plate 333, the first screw pair 3321, the second screw pair 3322 and the steel ball 334 both play a role of supporting and fixing, meanwhile, since the bottom end is spherical, the second screw pair 3322 is engaged in the adjustment groove 3331 which is slightly lower than the top surface of the lower fixing plate 333, and the steel ball 334 is also spherical, the angle of the upper adjustment plate 332 can be adjusted by adjusting the position of the second screw pair 3322. Coaxial infrared temperature measuring channels 335 are vertically formed in the upper adjusting plate 332 and the lower fixing plate 333, a temperature measuring probe 336 is arranged on the upper adjusting plate 332, and infrared rays emitted by the temperature measuring probe 336 reach the welding head 31 through the infrared temperature measuring channels 335, so that the angle of the infrared rays emitted by the temperature measuring probe 336 can be adjusted by adjusting the rotating angle of the upper adjusting plate 332, and the infrared rays are coaxial with laser emitted by the welding head 31. The upper adjusting plate 332 and the lower fixing plate 333 are further provided with a screw 337 in a penetrating manner, the screw 337 is fixed on the lower fixing plate 333, and a gap exists between the screw 337 and the upper adjusting plate 332, so that the screw 337 can play a role in limiting and fixing in the adjusting process of the upper adjusting plate 332, and stability and practicability are improved.

The fixing block 511 comprises a fixing arm 5111, the fixing arm 5111 is rotatably connected with the adjusting block 512 in the horizontal direction, the adjusting block 512 is provided with an adjusting arm 5121, the adjusting arm 5121 is provided with a first limit knob 53 in a penetrating manner, the first limit knob 53 is rotatably connected with the adjusting arm 5121 through threads, the head of the first limit knob is opposite to the fixing arm 5111, and the length of the first limit knob 53 is greater than the distance from the head of the first limit knob to the fixing arm 5111, so that the first limit knob 53 can be screwed in or out relative to the fixing arm 5111 by rotating. The adjusting block 512 is further provided with a second limit knob 54 in a penetrating manner, the head of the second limit knob 54 is over against the bottom surface of the adjusting block 512, and the length of the second limit knob 54 is greater than the distance from the head to the bottom surface of the adjusting part 51, so that the second limit knob 54 can be screwed in or out relative to the adjusting block 512 by rotating. From this, when the adjusting block 512 needs to be adjusted, only first limit knob 53 and second limit knob 54 need be screwed out, then the adjusting block 512 is rotated to adjust, and after the adjustment is finished, first limit knob 53 and second limit knob 54 are screwed in, and the head portion of the first limit knob 53 and the head portion of the second limit knob 54 are respectively abutted against the bottom surfaces of the fixed arm 5111 and the adjusting portion 51, so that the fixation and the limitation are realized.

To sum up, the utility model discloses constant temperature laser soldering device's theory of operation is:

the piece to be soldered is placed on the third guiding slide 241, and the tin wire is wound on the coil 41 and the guiding tube 42, and extends into the wire feeding tube 521 and out of the wire guiding tube 522, so as to connect the optical fiber to the fiber alignment coupler 32. The first guide slider 221 and the second guide slider 231 are driven by a motor to move the optical lens assembly 3 in the X-axis and Z-axis directions, and the third guide slider 241 is driven to move the member to be welded in the Y-axis direction relative to the optical lens assembly 3. The head of the guide wire pipe 522 can be finely adjusted by rotating the adjusting portion 51, and the head is butted against the laser beam emitted from the welding head 31 to be welded. In the welding process, when the tin wire is blocked in the material guide pipe 42, the photoelectric detection unit 43 can detect the sweater of the detection rod 44, so that the operator can be reminded in time when the phenomenon of wire blockage is judged. The infrared rays emitted by the temperature measuring probe 336 can be coaxial with the laser emitted by the welding head 31 by adjusting the upper adjusting plate 332, so that the density and the energy of the laser are adjusted, the technical effect of constant temperature is achieved, and the welding precision is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Constant temperature laser soldering device, its characterized in that: comprises a base (1), a gantry moving component (2), an optical lens component (3), a wire blocking alarm component (4) and a wire feeding adjusting frame component (5);

the gantry moving assembly (2) is arranged on the base (1), the gantry moving assembly (2) comprises a horizontal beam (21), an X-axis KK module (22) is arranged on the horizontal beam (21), the X-axis KK module (22) comprises a first guide sliding block (221) which transversely moves in the horizontal direction, the first guide sliding block (221) is fixedly connected with a Z-axis KK module (23), and the Z-axis KK module (23) comprises a second guide sliding block (231) which moves in the vertical direction;

the second guide sliding block (231) is fixedly connected with the wire blockage alarm assembly (4), the wire blockage alarm assembly (4) comprises a winding roll (41), a material guide pipe (42), a photoelectric detection unit (43) and a detection rod (44), the material guide pipe (42) is located below the winding roll (41), the detection rod (44) is connected with the material guide pipe (42) and extends into the photoelectric detection unit (43), a spring (45) and an adjusting pipe (46) are sleeved on the material guide pipe (42), the spring (45) is located below the detection rod (44), and the adjusting pipe (46) is movably arranged on the material guide pipe (42) and used for adjusting the length of the spring (45) between the adjusting pipe (46) and the detection rod (44);

the optical lens assembly (3) is installed below the wire blocking alarm assembly (4), the optical lens assembly (3) comprises a welding head (31), an optical fiber collimating coupler (32), an infrared temperature measuring unit (33), a vision monitoring unit (34) and an installation box (35), the welding head (31), the optical fiber collimating coupler (32), the infrared temperature measuring unit (33) and the vision monitoring unit (34) are all installed on the installation box (35), a reflector group (351) is arranged in the installation box (35), the reflector group (351) corresponds to the welding head (31), the optical fiber collimating coupler (32), the infrared temperature measuring unit (33) and the vision monitoring unit (34), near-parallel light emitted by the optical fiber collimating coupler (32) sequentially passes through the reflector group (351) and then reaches the welding head (31), and is coaxial with the infrared rays emitted by the infrared temperature measuring unit (33);

the wire feeding adjusting frame assembly (5) is sleeved on the welding head (31), the wire feeding adjusting frame assembly (5) comprises an adjusting portion (51) and a wire feeding portion (52), the adjusting portion (51) comprises a fixing block (511) and an adjusting block (512), the fixing block (511) is fixedly connected with the welding head (31), the adjusting block (512) is movably connected with the fixing block (511), the wire feeding portion (52) penetrates through the adjusting block (512), the wire feeding portion (52) comprises a wire feeding pipe (521) and a wire guide pipe (522), the wire feeding pipe (521) is communicated with the wire guide pipe (522), the wire feeding pipe (521) corresponds to the guide pipe (42), and the wire guide pipe (522) corresponds to the welding head (31);

still laid Y axle KK module (24) on base (1), Y axle KK module (24) include third guide slider (241) that move on the horizontal direction, the moving direction of third guide slider (241) with the moving direction of first guide slider (221) is perpendicular.

2. The constant-temperature laser soldering apparatus according to claim 1, wherein: the photoelectric detection unit (43) comprises an emitting piece (431) and a receiving piece (432), the emitting piece (431) and the receiving piece (432) are oppositely arranged, one end of the detection rod (44) is connected with the material guide pipe (42), and the other end of the detection rod is positioned between the emitting piece (431) and the receiving piece (432).

3. The constant-temperature laser soldering apparatus according to claim 1, wherein: the adjusting pipe (46) is externally sleeved with a thread ring (461).

4. The constant-temperature laser soldering apparatus according to claim 1, wherein: the reflecting mirror group (351) comprises a first reflecting mirror (3511), a second reflecting mirror (3512) and a third reflecting mirror (3513), the first reflecting mirror (3511) corresponds to the optical fiber collimating coupler (32), the second reflecting mirror (3512) corresponds to the infrared temperature measuring unit (33) and the visual monitoring unit (34), the visual monitoring unit (34) is located on the other side of the second reflecting mirror (3512) relative to the infrared temperature measuring unit (33), and the third reflecting mirror (3513) corresponds to the first reflecting mirror (3511), the second reflecting mirror (3512) and the welding head (31).

5. The constant-temperature laser soldering apparatus according to claim 1, wherein: the optical fiber collimating coupler (32) comprises a hollow outer shell (321), the outer shell (321) is fixedly connected with the installation box (35), a vertical sliding groove (3211) is formed in the outer shell (321), a hollow inner shell (322) is arranged inside the outer shell (321), a rectangular rack (3222) is arranged on the inner shell (322), the rectangular rack (3222) is slidably clamped in the sliding groove (3211), the length of the sliding groove (3211) is larger than that of the rectangular rack (3222), a micro motor (3212) is further arranged on the outer shell (321), a cylindrical gear (3213) is in transmission connection with the micro motor (3212), and the cylindrical gear (3213) is matched with the rectangular rack (3222).

6. The constant-temperature laser soldering apparatus according to claim 1, wherein: the infrared temperature measurement unit (33) comprises a temperature probe adjusting frame (331), the temperature probe adjusting frame (331) comprises an upper adjusting plate (332) and a lower fixing plate (333) which are the same in size and are square, the lower fixing plate (333) is fixed on the installation box (35), a first thread pair (3321) and a second thread pair (3322) are respectively arranged at two opposite corners of the upper adjusting plate (332) in a penetrating manner, an adjusting groove (3331) is formed in the top surface of the lower fixing plate (333), the adjusting groove (3331) is located under the second thread pair (3322), the bottom ends of the first thread pair (3321) and the second thread pair (3322) are spherical, the bottom end of the first thread pair (3321) is connected with the top surface of the lower fixing plate (333), the bottom end of the second thread pair (3322) is clamped in the adjusting groove (3331), the welding head is characterized in that a steel ball (334) is clamped between the upper adjusting plate (332) and the lower fixing plate (333), a coaxial infrared temperature measuring channel (335) is vertically formed in the upper adjusting plate (332) and the lower fixing plate (333), a temperature measuring probe (336) is arranged on the upper adjusting plate (332), infrared rays emitted by the temperature measuring probe (336) pass through the infrared temperature measuring channel (335) to reach the welding head (31), a screw (337) is further arranged on the upper adjusting plate (332) and the lower fixing plate (333) in a penetrating mode, the screw (337) is fixed to the lower fixing plate (333), and a gap exists between the screw (337) and the upper adjusting plate (332).

7. The constant-temperature laser soldering apparatus according to claim 1, wherein: the fixing block (511) comprises a fixing arm (5111), the fixing arm (5111) is rotatably connected with the adjusting block (512) in the horizontal direction, an adjusting arm (5121) is arranged on the adjusting block (512), a first limit knob (53) is arranged on the adjusting arm (5121) in a penetrating way, the first limit knob (53) is in threaded rotary connection with the adjusting arm (5121), the head of the first limit knob (53) is over against the fixed arm (5111) and the length of the first limit knob (53) is longer than the distance from the head of the first limit knob (53) to the fixed arm (5111), the adjusting block (512) is further provided with a second limiting knob (54) in a penetrating mode, the head of the second limiting knob (54) is over against the bottom face of the adjusting block (512), and the length of the second limiting knob (54) is larger than the distance from the head of the second limiting knob (54) to the bottom face of the adjusting portion (51).