CN216326127U

CN216326127U - Double-preheating material clamping mechanism of full-automatic lead bonding machine

Info

Publication number: CN216326127U
Application number: CN202122790249.5U
Authority: CN
Inventors: 赖金瑞
Original assignee: Guangxi Jiayou Technology Co ltd
Current assignee: Guangxi Jiayou Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a double-preheating material clamping mechanism of a full-automatic lead bonding machine, which relates to the technical field of lead bonding and comprises a structure main body, wherein a welding gun is arranged at the bottom of the structure main body, a motor cover is arranged at the top of the welding gun, a support column is arranged on one side of the motor cover, a limiting groove is arranged on one side outside the support column, an elastic support is movably sleeved on the outer side of the support column, and a winding reel is sleeved on the outer side of the elastic support. The utility model winds one end of the lead wound on the outer side of the winding drum around the outer part of the guide roller, and one end of the press roller extrudes the lead wound on the outer side of the guide roller, then the motor rotates the conveying end of the motor under the action of electric power and drives the wire guide roller to rotate, and meanwhile, reverse acting force is generated on the press roller, so that the press roller rotates in the reverse direction opposite to the wire guide roller, and the lead positioned on the outer part of the winding drum is extruded and pulled, and the bonding between the metal lead and the substrate bonding pad in the later period is tighter.

Description

Double-preheating material clamping mechanism of full-automatic lead bonding machine

Technical Field

The utility model relates to the technical field of lead bonding, in particular to a double-preheating material clamping mechanism of a full-automatic lead bonding machine.

Background

The lead bonding is a technique that uses a thin metal wire, uses heat, pressure and ultrasonic energy to tightly weld a metal lead and a substrate pad to realize the electrical interconnection between a chip and a substrate and the information intercommunication between the chips, under ideal control conditions, the lead and the substrate can generate electronic sharing or atomic mutual diffusion, so that the bonding between two metals on an atomic scale is realized, the lead bonding has the function of leading in and leading out electrical connection from a core element, and three lead bonding positioning platforms are generally adopted in the industry: the hot-pressing lead bonding, the wedge-wedge ultrasonic lead bonding and the thermoacoustic lead bonding are carried out, and when the clamping mechanism is used, the lead needs to be clamped and supported, so that the metal lead is conveniently welded on a substrate, and the double-preheating material clamping mechanism of the lead bonding machine is provided.

However, when the metal lead is supported and clamped by the double-preheating material clamping mechanism of the existing lead bonding machine, the lead to be used needs to be straightened in advance before being used, so that corresponding straightening equipment needs to be added or purchased outside the equipment, the cost is increased to a certain extent, the straightening efficiency is reduced, when the metal lead needs to be used, a batch of metal leads need to be straightened in advance and wound again, the metal lead can be normally used, and the utilization rate is reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

Based on the above, the present invention provides a dual preheating material clamping mechanism of a full automatic wire bonding machine, so as to solve the technical problems that when the dual preheating material clamping mechanism of the existing wire bonding machine supports and clamps a metal lead, a lead to be used needs to be straightened in advance before use, so that corresponding straightening equipment needs to be added or purchased outside the equipment, the cost is increased to a certain extent, the straightening efficiency is reduced, and when the metal lead needs to be used, a batch of metal leads need to be straightened in advance and wound again, so that the metal lead can be normally used, and the utilization rate is reduced to a certain extent.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two material fixture that preheat of full-automatic lead bonding machine, includes the main structure body, the bottom of main structure body is provided with the welding rifle, the top of welding rifle is provided with the motor cover, one side of motor cover is provided with the pillar, the outside one side of pillar is provided with the spacing groove, the elastic support has been cup jointed in the outside activity of pillar, the outside cover of elastic support is equipped with the bobbin, the outside spiral winding of bobbin has the lead wire, the bottom of welding rifle one end is provided with the guide subassembly, first electric telescopic handle is all installed to the bottom at welding rifle both ends, first electric telescopic handle's bottom is all rotated and is installed second electric telescopic handle, second electric telescopic handle's output all is provided with the briquetting, first electric telescopic handle's one end is all rotated and is installed third electric telescopic handle.

By adopting the technical scheme, one end of the lead wire wound on the outer side of the winding drum is wound on the outer part of the wire guiding roller, one end of the pressing roller is used for extruding the lead wire wound on the outer side of the wire guiding roller, then the motor rotates the conveying end of the motor under the action of electric power and drives the wire guide roller to rotate, and meanwhile, reverse acting force is generated on the press roller, thereby rotating the press roller in the opposite direction to the wire guide roller, and pressing and drawing the lead wire positioned outside the bobbin, thereby realizing simple straightening treatment of the lead, leading the bonding between the metal lead and the substrate bonding pad in the later period to be more compact, directly arranging the lead roller and the compression roller at the bottom of one end of the welding gun, therefore, the straightening device is directly subjected to straightening treatment in the process of the wire, so that corresponding straightening equipment does not need to be purchased additionally, the cost is reduced to a certain extent, and the straightening efficiency is improved.

The elastic support comprises a limiting ring, elastic pieces are arranged at the top and the bottom of one side of the limiting ring, and rolling balls are connected at four corners inside the limiting ring in a rolling mode.

Through adopting above-mentioned technical scheme, when needs overlap the bobbin in elastic support's the outside, directly with the pot head of bobbin in the outside of pillar, move along the position of spacing hoop flexure strip to produce decurrent extrusion force to the flexure strip, make the flexure strip warp, and produce reverse elastic support to the bobbin, thereby make bobbin and elastic support's support more stable.

The material guide assembly is further arranged to comprise a motor, a wire guide roller is arranged at the output end of the motor, one end of one side of the welding gun is rotatably connected with a compression roller, a bearing seat is arranged on one side, close to the welding gun, of the compression roller, a bearing is arranged inside the bearing seat, and the compression roller is rotatably connected with the welding gun through the mutual matching of the bearing seat and the bearing.

Through adopting above-mentioned technical scheme, the lead wire that the bobbin was derived is direct to be derived through wire roller and compression roller to need not purchase corresponding straightening equipment promptly, also need not twine the lead wire again, can directly use the lead wire, improved work efficiency to a certain extent, the rate of utilization has been reduced, and utilize mutually supporting of bearing frame and bearing, make compression roller and welding rifle rotate to be connected, the frictional force that produces when having reduced the rotation, thereby make its rotation more laborsaving.

The utility model is further arranged in that the bottom of the first electric telescopic rod and the top and the bottom of the third electric telescopic rod are both provided with a pin shaft, the bottom of the first electric telescopic rod is rotatably connected with the second electric telescopic rod through the pin shaft, and the top of the third electric telescopic rod are both rotatably connected with one end of the first electric telescopic rod and one end of the second electric telescopic rod through the pin shaft respectively.

Through adopting above-mentioned technical scheme, the length of extension first electric telescopic handle output to can make second electric telescopic handle use third electric telescopic handle's bottom to take place the skew as the basic point, when the length of extension third electric telescopic handle output, can drive second electric telescopic handle and use first electric telescopic handle's output as the basic point downward sloping, can realize the adjustment to the briquetting position.

The utility model is further arranged in such a way that rolling grooves matched with the rolling balls are arranged at four corners inside the limiting ring, and the limiting ring is in sliding connection with the limiting groove through the mutual matching of the rolling balls and the rolling grooves.

Through adopting above-mentioned technical scheme, utilize mutually supporting of spin and roll groove, make spacing ring and spacing groove sliding connection to the area of contact between messenger spacing ring and the pillar is littleer, thereby is convenient for rotate the bobbin, realizes the unwrapping wire of bobbin and handles.

The welding gun is further provided with a driving motor arranged inside the motor cover, the output end of the driving motor is in butt joint connection with the top of the welding gun, and a fixing frame is arranged below the motor cover.

Through adopting above-mentioned technical scheme, utilize driving motor to rotate welding gun, convenient to use.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model winds one end of the lead wound outside the bobbin around the outside of the guide roller through the arranged motor, the wire guide roller, the compression roller, the bearing seat and the lead, and enables one end of the compression roller to extrude the lead wound outside the guide roller, then the motor rotates the conveying end of the motor under the action of electric power and drives the wire guide roller to rotate, and simultaneously generates reverse acting force on the compression roller, so that the compression roller rotates in the reverse direction opposite to the wire guide roller and extrudes and draws the lead positioned outside the bobbin, thereby realizing simple straightening treatment of the lead, enabling the bonding between the metal lead and the substrate pad in the later period to be tighter, and directly arranging the wire guide roller and the compression roller at the bottom of one end of the welding gun, thereby directly carrying out straightening treatment in the process of the lead, avoiding purchasing corresponding straightening equipment additionally, and reducing the cost to a certain degree, the straightening efficiency is improved;

2. according to the utility model, through the arrangement of the motor, the wire guide roller, the compression roller, the bearing seat and the lead, the lead led out from the winding drum is directly led out through the wire guide roller and the compression roller, so that the lead can be directly used without purchasing corresponding straightening equipment or winding the lead again, the working efficiency is improved to a certain extent, and the utilization rate is reduced.

Drawings

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

FIG. 2 is a partial perspective view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of B of FIG. 1 according to the present invention.

In the figure: 1. a structural body; 2. welding a gun; 3. a motor cover; 4. a fixed mount; 5. a pillar; 6. a limiting groove; 7. an elastic support; 701. a limiting ring; 702. an elastic sheet; 703. rolling a ball; 8. a bobbin; 9. a material guiding assembly; 901. a motor; 902. a wire guide roller; 903. a compression roller; 904. a bearing seat; 10. a first electric telescopic rod; 11. a second electric telescopic rod; 12. a third electric telescopic rod; 13. briquetting; 14. and (7) leading wires.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A double-preheating material clamping mechanism of a full-automatic lead bonding machine is disclosed, as shown in figures 1-4, and comprises a structure body 1, a welding gun 2 is arranged at the bottom of the structure body 1, a motor cover 3 is arranged at the top of the welding gun 2, a support column 5 is arranged at one side of the motor cover 3, a limit groove 6 is arranged at one side outside the support column 5, an elastic support 7 is movably sleeved outside the support column 5, a bobbin 8 is sleeved outside the elastic support 7, a lead 14 is spirally wound outside the bobbin 8, a guide component 9 is arranged at the bottom of one end of the welding gun 2, one end of the lead wound outside the bobbin 8 is wound outside a guide roller 902, one end of a press roller 903 is enabled to extrude the lead 14 wound outside the guide roller 902, then the motor 901 enables the conveying end of the motor to rotate under the action of electric power and drives the guide roller 902 to rotate, and generates reverse acting force to the press roller 903 at the same time, thereby rotating the pressure roller 903 in the reverse direction to the wire guide roller 902, and pressing and pulling the lead wire 14 located outside the bobbin 8, thereby realizing simple straightening treatment of the lead 14, enabling the bonding between the metal lead 14 and the substrate bonding pad in the later period to be more compact, by placing the wire guide roll 902 and the pressure roll 903 directly at the bottom of one end of the welding gun 2, so that the wire is directly straightened in the process of the wire, and corresponding straightening equipment does not need to be purchased additionally, the cost is reduced to a certain extent, the efficiency of aligning is improved, first electric telescopic handle 10 is all installed to the bottom at 2 both ends of welding rifle, and second electric telescopic handle 11 is all installed in the bottom of first electric telescopic handle 10 rotation, and the output of second electric telescopic handle 11 all is provided with briquetting 13, and third electric telescopic handle 12 is all installed in the one end of first electric telescopic handle 10 rotation.

Referring to fig. 1, 2 and 3, the elastic bracket 7 includes a limiting ring 701, elastic pieces 702 are disposed at the top and the bottom of one side of the limiting ring 701, rolling balls 703 are connected at four corners inside the limiting ring 701 in a rolling manner, when the bobbin 8 needs to be sleeved outside the elastic bracket 7, one end of the bobbin 8 is directly sleeved outside the pillar 5, the bobbin moves to the position of the elastic piece 702 along the limiting ring 701, and downward pressing force is generated on the elastic piece 702, so that the elastic piece 702 deforms, and generates reverse elastic support for the bobbin 8, thereby making the support of the bobbin 8 and the elastic bracket 7 more stable.

Please refer to fig. 1 and 4, the guide assembly 9 includes a motor 901, the output of the motor 901 is provided with a wire guide roller 902, one end of one side of the welding gun 2 is rotatably connected with a press roller 903, one side of the press roller 903 close to the welding gun 2 is provided with a bearing seat 904, the inside of the bearing seat 904 is provided with a bearing, the press roller 903 is rotatably connected with the welding gun 2 through the mutual fit of the bearing seat 904 and the bearing, a lead 14 led out by a bobbin 8 is directly led out through the wire guide roller 902 and the press roller 903, thereby a corresponding straightening device does not need to be purchased, the lead is not required to be wound again, the lead 14 can be directly used, the working efficiency is improved to a certain extent, the utilization rate is reduced, and the mutual fit of the bearing seat 904 and the bearing is utilized, the press roller 903 is rotatably connected with the welding gun 2, the friction force generated during rotation is reduced, and the rotation thereof is more labor-saving.

Please refer to fig. 1, the bottom of the first electric telescopic rod 10 and the top and the bottom of the third electric telescopic rod 12 are both provided with a pin shaft, and the bottom of the first electric telescopic rod 10 is rotatably connected with the second electric telescopic rod 11 through a pin shaft, the top and the top of the third electric telescopic rod 12 are both rotatably connected with one end of the first electric telescopic rod 10 and one end of the second electric telescopic rod 11 through a pin shaft, so as to extend the length of the output end of the first electric telescopic rod 10, so that the second electric telescopic rod 11 can be shifted with the bottom of the third electric telescopic rod 12 as a base point, when the length of the output end of the third electric telescopic rod 12 is extended, the second electric telescopic rod 11 can be driven to tilt downwards with the output end of the first electric telescopic rod 10 as a base point, and the position of the pressing block 13 can be adjusted.

Referring to fig. 1, 2 and 3, the rolling grooves matched with the rolling balls 703 are formed at four corners inside the limiting ring 701, the limiting ring 701 is slidably connected with the limiting groove 6 through the mutual matching of the rolling balls 703 and the rolling grooves, and the limiting ring 701 is slidably connected with the limiting groove 6 through the mutual matching of the rolling balls 703 and the rolling grooves, so that the contact area between the limiting ring 701 and the support post 5 is smaller, the winding reel 8 is convenient to rotate, and the paying-off treatment of the winding reel 8 is realized.

Referring to fig. 1, a driving motor is installed inside the motor cover 3, an output end of the driving motor is in butt joint with a top of the welding gun 2, and a fixing frame 4 is arranged below the motor cover 3, so that the welding gun 2 can be rotated by the driving motor, and the welding gun is convenient to use.

The working principle of the utility model is as follows: one end of a lead wound outside the bobbin 8 is wound outside the wire guide roller 902, one end of the press roller 903 is used for extruding the lead 14 wound outside the wire guide roller 902, then the motor 901 rotates the conveying end of the motor under the action of electric power and drives the wire guide roller 902 to rotate, meanwhile, reverse acting force is generated on the press roller 903, so that the press roller 903 rotates in the reverse direction opposite to the wire guide roller 902, the lead 14 positioned outside the bobbin 8 is extruded and pulled, simple straightening treatment on the lead 14 is realized, the adhesion between the metal lead 14 and a substrate pad in the later period is tighter, the wire guide roller 902 and the press roller 903 are directly arranged at the bottom of one end of the welding gun 2, so that the lead is directly subjected to straightening treatment in the process of the lead, corresponding straightening equipment is not required to be purchased additionally, the cost is reduced to a certain extent, and the straightening efficiency is improved, and lead 14 that 8 were derived in the bobbin is direct to be derived through wire roller 902 and compression roller 903, thereby do not need to purchase corresponding straightening equipment promptly, also need not twine the lead wire again, can directly use lead 14, work efficiency has been improved to a certain extent, the rate of utilization has been reduced, through extension or shorten first electric telescopic handle 10, the length of second electric telescopic handle 11 and the 12 output of third electric telescopic handle, can realize adjusting the position of briquetting 13, thereby realize the position to briquetting 13 extruded lead 14 and welding rifle 2 output, be convenient for weld lead 14 on the base plate.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a two material fixture that preheat of full-automatic lead bonding machine, includes main structure body (1), its characterized in that: the welding gun is characterized in that a welding gun (2) is arranged at the bottom of the structure body (1), a motor cover (3) is arranged at the top of the welding gun (2), a support column (5) is arranged on one side of the motor cover (3), a limiting groove (6) is arranged on one side of the outer portion of the support column (5), an elastic support (7) is movably sleeved on the outer side of the support column (5), a winding drum (8) is sleeved on the outer side of the elastic support (7), a lead (14) is spirally wound on the outer side of the winding drum (8), a guide component (9) is arranged at the bottom of one end of the welding gun (2), first electric telescopic rods (10) are arranged at the bottoms of the two ends of the welding gun (2), second electric telescopic rods (11) are arranged at the bottom of the first electric telescopic rods (10) in a rotating manner, pressing blocks (13) are arranged at the output ends of the second electric telescopic rods (11), and one end of the first electric telescopic rod (10) is rotatably provided with a third electric telescopic rod (12).

2. The dual pre-heat material clamping mechanism of a full automatic wire bonding machine as claimed in claim 1, wherein: the elastic support (7) comprises a limiting ring (701), elastic pieces (702) are arranged at the top and the bottom of one side of the limiting ring (701), and rolling balls (703) are connected to four corners inside the limiting ring (701) in a rolling mode.

3. The dual pre-heat material clamping mechanism of a full automatic wire bonding machine as claimed in claim 1, wherein: the guide assembly (9) comprises a motor (901), a guide roller (902) is arranged at the output end of the motor (901), a pressing roller (903) is rotatably connected to one end of one side of the welding gun (2), a bearing seat (904) is arranged on one side, close to the welding gun (2), of the pressing roller (903), a bearing is arranged inside the bearing seat (904), and the pressing roller (903) is rotatably connected with the welding gun (2) through the mutual matching of the bearing seat (904) and the bearing.

4. The dual pre-heat material clamping mechanism of a full automatic wire bonding machine as claimed in claim 1, wherein: the bottom of first electric telescopic handle (10) and the top and the bottom of third electric telescopic handle (12) all are provided with the round pin axle, and the bottom of first electric telescopic handle (10) rotates with second electric telescopic handle (11) through the round pin axle to be connected, the top and the top of third electric telescopic handle (12) all rotate with the one end of first electric telescopic handle (10) and second electric telescopic handle (11) respectively through the round pin axle and are connected.

5. The dual pre-heat material clamping mechanism of a full automatic wire bonding machine as claimed in claim 2, wherein: the four corners inside the limiting ring (701) are provided with rolling grooves matched with the rolling balls (703), and the limiting ring (701) is in sliding connection with the limiting groove (6) through the mutual matching of the rolling balls (703) and the rolling grooves.

6. The dual pre-heat material clamping mechanism of a full automatic wire bonding machine as claimed in claim 1, wherein: the welding gun is characterized in that a driving motor is arranged inside the motor cover (3), the output end of the driving motor is in butt joint with the top of the welding gun (2), and a fixing frame (4) is arranged below the motor cover (3).