CN211465112U

CN211465112U - Automatic tin feeding device for laser welding

Info

Publication number: CN211465112U
Application number: CN201922440150.5U
Authority: CN
Inventors: 崔林
Original assignee: Suzhou Lishang Automation Technology Co ltd
Current assignee: Suzhou Lishang Automation Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-11
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of laser welding, in particular to an automatic tin feeding device for laser welding.A cam is arranged on the front surface of a mounting plate in a rotating way, a guide pin is arranged below the cam, and the top end of the guide pin is connected with a circular plate which is in butt joint with the cam; a fixing plate is vertically arranged on the front surface of the mounting plate below the guide pin, a through hole is formed in the top surface of the fixing plate, a circular ring is fixedly sleeved on the guide pin, a spring is sleeved between the circular ring and the fixing plate outside the guide pin, and a needle hole through which a tin wire can conveniently penetrate is formed in the bottom of the guide pin; the front surface of the mounting plate is rotatably provided with a wire pulling roller; the front surface of the mounting plate is also rotatably provided with a first direction-changing wheel and a second direction-changing wheel. The utility model presses the guide needle with the tin wire downwards through the rotation of the cam, so that the rotating wire drawing roller hooks and pulls the tin wire, thereby realizing the automatic transmission of the tin wire, and having simple structure and convenient maintenance; and the tail end of the tin wire faces to a welding disc of the laser welding device by arranging two groups of direction-changing wheels.

Description

Automatic tin feeding device for laser welding

Technical Field

The utility model relates to a laser welding technical field specifically is a laser welding is with sending tin device automatically.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, and is one of important aspects of laser material processing technology application. The laser welding is applied to the fields of manufacturing industry, automobile industry, electronic industry, powder metallurgy and the like.

The most common laser tin soldering modes in the prior art include laser automatic tin wire feeding welding, laser tin paste welding and laser tin ball spraying welding, and the traditional laser automatic tin wire feeding welding processing mode is as follows: and heating the position of the bonding pad by laser to enable the temperature of the target bonding pad to reach the melting temperature of the tin wire, and conveying the tin wire to the bonding pad by the tin wire conveying mechanism, wherein the tin wire is melted on the bonding pad and is fully attached to the bonding pad. However, the existing tin wire feeding mechanism has the defects of complex structure and inconvenient maintenance. Therefore, an automatic tin feeding device for laser welding is provided to well solve the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser welding is with sending tin device automatically to solve the problem that proposes in the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: an automatic tin feeding device for laser welding comprises a mounting plate and a tin wire roller which is rotatably arranged on the front surface of the mounting plate, wherein tin wires are wound on the tin wire roller, a cam is rotatably arranged on the front surface of the mounting plate, a guide pin is arranged below the cam, and the top end of the guide pin is connected with a circular plate which is abutted to the cam; a fixing plate is vertically arranged on the front surface of the mounting plate below the guide needle, a through hole for the guide needle to pass through is formed in the top surface of the fixing plate, a circular ring is fixedly sleeved outside the guide needle close to the bottom end, a spring is sleeved between the circular ring and the fixing plate outside the guide needle, two ends of the spring are fixedly connected with the circular ring and the fixing plate respectively, a needle hole is formed in the bottom of the guide needle, and a tin wire passes through the needle hole and leads to the position below the fixing plate; the front surface of the mounting plate is positioned below the fixing plate and is rotatably provided with a wire pulling roller, the wire pulling roller comprises a rotating shaft and an arc arranged at the periphery of the rotating shaft, a plurality of groups of brackets are arranged between the rotating shaft and the arc, and one end of the arc is provided with a slot; the front of the mounting plate is also rotatably provided with a first direction-changing wheel and a second direction-changing wheel, and the tin wire passes through the groove and is conveyed to the laser welder through two changes of the first direction-changing wheel and the second direction-changing wheel.

Preferably, the front surface of the mounting plate is vertically provided with a round rod, and the tin wire roller is movably sleeved on the round rod.

Preferably, the guide sleeve is slidably sleeved outside the guide needle close to the middle part, and the guide sleeve is fixed with the mounting plate.

Preferably, a waist-shaped groove is formed in the front face of the mounting plate between the wire drawing roller and the first direction changing wheel, and a tensioning wheel is fixedly mounted in the waist-shaped groove.

Preferably, the cam, the wire pulling roller, the first direction changing wheel and the second direction changing wheel are all driven by an external motor.

Compared with the prior art, the utility model provides a laser welding is with automatic tin device that send possesses following beneficial effect:

1. according to the automatic tin feeding device for laser welding, the guide needle penetrated with the tin wire is pressed downwards through the rotation of the cam, so that the rotating wire drawing roller hooks and pulls the tin wire, the automatic conveying of the tin wire is realized, the structure is simple, and the maintenance is convenient;

2. this automatic tin device that send for laser welding through setting up two sets of directive wheels, makes the terminal pad towards the laser welder of tin silk, makes the tin silk be in the tensioning state through setting up the take-up pulley.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is an enlarged schematic view of the region B in fig. 1.

In the figure: 1. mounting a plate; 2. a round bar; 3. a tin wire roll; 31. tin wire; 4. a cam; 5. leading a needle; 51. a pinhole; 52. a circular ring; 53. a guide sleeve; 6. a circular plate; 7. a fixing plate; 71. a through hole; 8. a spring; 9. a wire drawing roller; 91. a rotating shaft; 92. a circular arc; 921. grooving; 93. a support; 10. a first direction-changing wheel; 11. a second direction-changing wheel; 12. a waist-shaped groove; 13. a tension wheel.

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 work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, the present invention provides a technical solution: an automatic tin feeding device for laser welding comprises an installation plate 1 and a round rod 2 vertically installed on the front surface of the installation plate 1, wherein a tin wire roller 3 is movably sleeved on the round rod 2, and a tin wire 31 is wound on the tin wire roller 3; the front surface of the mounting plate 1 is also rotatably provided with a cam 4, a guide pin 5 is arranged below the cam 4, and the top end of the guide pin 5 is connected with a circular plate 6 which is abutted against the cam 4; a fixing plate 7 is vertically arranged on the front surface of the mounting plate 1 below the guide needle 5, a through hole 71 for the guide needle 5 to pass through is formed in the top surface of the fixing plate 7, a circular ring 52 is fixedly sleeved outside the guide needle 5 close to the bottom end, a spring 8 is sleeved outside the guide needle 5 between the circular ring 52 and the fixing plate 7, and two ends of the spring 8 are fixedly connected with the circular ring 52 and the fixing plate 7 respectively; the guide sleeve 53 is slidably sleeved outside the guide needle 5 close to the middle part, the guide sleeve 53 is fixed with the mounting plate 1, the cam 4 is driven to rotate through the motor, when the cam 4 rotates from the highest position to the lowest position, the cam 4 gives downward pressure to the guide needle 5, the guide needle 5 slides downward along the guide sleeve 53, the spring 8 is stretched by tensile force, when the cam 4 rotates from the lowest position to the highest position, the tensile force borne by the spring 8 is gradually reduced, and under the action of restoring force, the guide needle 5 is driven to move upward, so that the circular plate 6 is always abutted to the cam 4;

the front surface of the mounting plate 1 is positioned below the fixing plate 7 and is rotatably provided with a wire pulling roller 9, the wire pulling roller 9 comprises a rotating shaft 91 and an arc 92 arranged on the periphery of the rotating shaft 91, a plurality of groups of supports 93 are arranged between the rotating shaft 91 and the arc 92, two ends of each support 93 are respectively fixed with the rotating shaft 91 and the arc 92, one end of each arc 92 is provided with a slot 921, and the opening of each slot 921 has the same diameter as the tin wire 31; the bottom of the guide needle 5 is provided with a pinhole 51, the tin wire 31 passes through the pinhole 51 and leads to the lower part of the fixing plate 7, and the diameter of the pinhole 51 is larger than that of the tin wire 31; the front surface of the mounting plate 1 is also rotatably provided with a first direction-changing wheel 10 and a second direction-changing wheel 11, and the tin wire 31 passes through the slot 921 and is conveyed to a laser welder through two changes of the first direction-changing wheel 10 and the second direction-changing wheel 11;

the front surface of the mounting plate 1 is positioned between the wire drawing roller 9 and the first direction changing wheel 10 and is provided with a waist-shaped groove 12, a tension wheel 13 is fixedly mounted in the waist-shaped groove 12, and the tension wheel 13 plays a role in tensioning the tin wire 31 by adjusting the height of the tension wheel 13.

The working principle is as follows: the tin wire 31 is passed through the needle hole 51, the cam 4 is driven by the motor to rotate, when the cam 4 rotates from the highest position to the lowest position, the downward pressure of the cam 4 on the guide needle 5 causes the guide needle 5 to slide downward along the guide sleeve 53 and pass through the through hole 71 of the fixing plate 7, at this time, the spring 8 is stretched by the tensile force, the tin wire 31 is pulled downward by the driving of the needle hole 51, the tin wire roller 3 rotates around the round rod 2 by the external force, the circular arc 92 rotates by the driving of the rotating shaft 91, when the slot 921 passes through the tin wire 31, the tin wire 31 is clamped, the arc 92 rotates, at this time, the tin wire 31 is under tension, when the slot 921 rotates 270 degrees, the slot 921 is separated from the tin wire 31, the tin wire 31 passes by the tension wheel 13, the first direction-changing wheel 10 and the second direction-changing wheel 11 in sequence, finally the tail end of the tin wire 31 leads to a welding disc of the laser welding device, the tin wire 31 can be placed under tension by adjusting the position of the tension wheel 13 in the kidney-shaped groove 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser welding is with automatic tin device that send, includes mounting panel (1) and rotates and set up at the positive tin wire roller (3) of mounting panel (1), the rolling has tin silk (31), its characterized in that on tin wire roller (3): the front surface of the mounting plate (1) is also rotatably provided with a cam (4), a guide pin (5) is arranged below the cam (4), and the top end of the guide pin (5) is connected with a circular plate (6) which is abutted against the cam (4); the front surface of the mounting plate (1) is located below the guide needle (5) and is vertically provided with a fixing plate (7), the top surface of the fixing plate (7) is provided with a through hole (71) through which the guide needle (5) can conveniently penetrate, the outer part of the guide needle (5) is fixedly sleeved with a circular ring (52) close to the bottom end, the outer part of the guide needle (5) is located between the circular ring (52) and the fixing plate (7) and is sleeved with a spring (8), two ends of the spring (8) are respectively fixedly connected with the circular ring (52) and the fixing plate (7), the bottom of the guide needle (5) is provided with a needle hole (51), and a tin wire (31) penetrates through the needle hole (51) and leads to the lower part of the fixing plate; the front surface of the mounting plate (1) is positioned below the fixing plate (7) and is rotatably provided with a wire pulling roller (9), the wire pulling roller (9) comprises a rotating shaft (91) and an arc (92) arranged on the periphery of the rotating shaft (91), a plurality of groups of supports (93) are arranged between the rotating shaft (91) and the arc (92), and one end of the arc (92) is provided with a slot (921); the front of mounting panel (1) still rotates and is provided with first directive wheel (10) and second directive wheel (11), and tin silk (31) pass fluting (921), through two redirection conveying of first directive wheel (10) and second directive wheel (11) to the laser-beam welding ware.

2. The automatic tin feeding device for laser welding according to claim 1, characterized in that: the front of the mounting plate (1) is vertically provided with a round rod (2), and the tin wire roller (3) is movably sleeved on the round rod (2).

3. The automatic tin feeding device for laser welding according to claim 1, characterized in that: the guide sleeve (53) is slidably sleeved outside the guide needle (5) close to the middle part, and the guide sleeve (53) is fixed with the mounting plate (1).

4. The automatic tin feeding device for laser welding according to claim 1, characterized in that: the front surface of the mounting plate (1) is positioned between the wire drawing roller (9) and the first direction changing wheel (10) and is provided with a waist-shaped groove (12), and a tension wheel (13) is fixedly mounted in the waist-shaped groove (12).

5. The automatic tin feeding device for laser welding according to claim 1, characterized in that: the cam (4), the wire pulling roller (9), the first direction changing wheel (10) and the second direction changing wheel (11) are all driven by an external motor.