CN217775431U

CN217775431U - High-temperature bonding machine control system

Info

Publication number: CN217775431U
Application number: CN202222033236.8U
Authority: CN
Inventors: 延绥斌
Original assignee: Xi'an Kiercheng Electronic Technology Co ltd
Current assignee: Xi'an Kiercheng Electronic Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-11
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a high temperature bonding machine control system, include: the device comprises a bonding nozzle, a knife control, a first iron sheet, a first electromagnet and a spring telescopic rod; a cutter control is arranged on the front side of the bonding nozzle; the cutter control comprises a shell, a matching opening, a cutter, a rotary seat, a second iron sheet, a double-sided electromagnet and an extension spring; the rear side of the shell is welded with a first iron sheet; a first electromagnet is arranged on the rear side of the first iron sheet, and the first iron sheet is connected with the first electromagnet in a magnetic adsorption mode; the first electromagnet is embedded at the front end of the bonding nozzle; a spring telescopic rod is arranged on the side part of the shell; the front end of the spring telescopic rod is fixed on the side part of the shell through a bolt; the utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, and the cutter cuts off the wire through the mode of shearing, is difficult for leading to the fact the advantage of damage to the bonding position to effectual problem and the not enough that appear in having solved current device.

Description

High-temperature bonding machine control system

Technical Field

The utility model relates to a bonding machine technical field, more specifically the theory that says so especially relates to a high temperature bonding machine control system.

Background

In the semiconductor industry, a lead frame is used as a carrier of a semiconductor chip, the semiconductor chip and a lead of the lead frame need to be bonded by using aluminum, copper, silver or other metal wires, so that an internal circuit of the chip is electrically connected with an external circuit, and bonding needs to be completed by means of a bonding machine.

After the wire is bonded at the second bonding position, the wire needs to be cut by using a cutter, and the cutter is a cutting executing component in a cutter control system. The tool control system is a subsystem in the high temperature bonder control system.

The cutter control system of the existing high-temperature bonding machine generally controls a cutter to perform downward cutting action, when cutting is performed, a metal wire is easily pressed at the bottom of a bonding position by the cutter, and the top of the bonding position is easily damaged by force during cutting.

In view of the above, the present invention provides a high temperature bonding machine control system, which is developed to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature bonding machine control system to solve the problem and not enough that propose among the above-mentioned background art.

To achieve the above object, the present invention is achieved by the following specific technical means:

a high temperature bonder control system comprising: the device comprises a bonding nozzle, a knife control, a first iron sheet, a first electromagnet and a spring telescopic rod; a cutter control is arranged on the front side of the bonding nozzle; the cutter controller comprises a shell, a matching opening, a cutter, a rotary seat, a second iron sheet, a double-sided electromagnet and an extension spring; a first iron sheet is welded on the rear side of the shell; a first electromagnet is arranged on the rear side of the first iron sheet, and the first iron sheet is connected with the first electromagnet in a magnetic adsorption mode; the first electromagnet is embedded at the front end of the bonding nozzle; a spring telescopic rod is arranged at the side part of the shell; the front end of the spring telescopic rod is fixed on the side part of the shell through a bolt; the rear end of the spring telescopic rod is fixed on the side part of the bonding nozzle through a bolt; the upper end of the cutter is in clearance fit with the inside of the shell, and the upper end of the cutter is rotationally connected with the shell through a rotating shaft; the left side and the right side of the upper end of the cutter are respectively connected with a rotary seat through a rotating shaft in a rotating way, and the two rotary seats are symmetrical left and right; two second iron sheets are welded at the opposite ends of the two rotary bases; a double-sided electromagnet is arranged between the two second iron sheets, and the second iron sheets are connected with the double-sided electromagnet in a magnetic adsorption mode; the double-sided electromagnet is fixed in the middle of the top of the inner side of the shell through a bolt; extension springs are arranged on two sides of the upper end of the cutter; one end of the extension spring is welded and fixed with the side end of the cutter; the other end of the extension spring is welded and fixed with the side part of the shell; the matching opening is formed in the middle of the bottom of the shell; the middle position of the cutter is movably penetrated on the inner side of the matching port; the lower end of the cutter is arranged outside the shell, and the bottom end of the cutter is matched with the bottom end of the bonding nozzle in a front-back mode.

As a further optimization of the technical scheme, the first iron sheet, the first electromagnet and the spring telescopic rod are all in an inclined shape with a high front part and a low back part.

As a further optimization of the technical scheme, the two spring telescopic rods are respectively arranged on the left side and the right side of the knife control.

As further optimization of the technical scheme, the top of the shell is rectangular, and the bottom of the shell is in an isosceles trapezoid shape.

As further optimization of the technical scheme, the cutter is a sharp-pointed bent-mouth scissors.

As a further optimization of the technical scheme, the rotary seat is in an L-shaped plate shape.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a set up the cutter and be the tip curved nozzle scissors, be convenient for lead to the mode of shearing and transversely cut off the wire, when cutting off, the cutter can not press the wire downwards, and then makes the cutter be difficult for causing the damage to the bonding position.

2. The utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, and the cutter cuts off the wire through the mode of shearing, is difficult for leading to the fact the advantage of damage to the bonding position to effectual problem and the not enough that appear in having solved current device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the knife control of the present invention;

fig. 3 is a schematic view of a partial top view structure of the present invention;

FIG. 4 is a schematic view of the structure of the cutting tool in a cutting state according to the present invention;

in the figure: the device comprises a bonding nozzle 1, a cutter controller 2, a first iron sheet 3, a first electromagnet 4, a spring telescopic rod 5, a shell 201, a matching opening 202, a cutter 203, a rotary seat 204, a second iron sheet 205, a double-sided electromagnet 206 and an extension spring 207.

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.

It should be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Also, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the specific technical implementation of the present invention:

a high temperature bonder control system comprising: the device comprises a bonding nozzle 1, a knife control 2, a first iron sheet 3, a first electromagnet 4 and a spring telescopic rod 5; the front side of the bonding nozzle 1 is provided with a cutter controller 2; the knife control 2 comprises a shell 201, a matching port 202, a knife 203, a rotary seat 204, a second iron sheet 205, a double-sided electromagnet 206 and an extension spring 207; the rear side of the shell 201 is welded with a first iron sheet 3; a first electromagnet 4 is arranged on the rear side of the first iron sheet 3, and the first iron sheet 3 and the first electromagnet 4 are connected in a magnetic adsorption mode; the first electromagnet 4 is embedded at the front end of the bonding nozzle 1; the spring telescopic rod 5 is arranged on the side portion of the shell 201, the spring telescopic rod 5 comprises an inner rod, an outer sleeve and a compression spring, the inner rod is in sliding fit with the inner side of the outer sleeve, the compression spring is in clearance fit with the inner portion of the outer sleeve, one end of the inner rod, which is matched with the inner portion of the outer sleeve, is in elastic abutting joint with the compression spring, the spring telescopic rod 5 is enabled to have elastic telescopic capacity through the compression spring, the spring telescopic rod 5 is of a conventional common structure and is widely used, and the specific structure of the spring telescopic rod is not shown in detail in the figure; the front end of the spring telescopic rod 5 is fixed on the side part of the shell 201 through a bolt; the rear end of the spring telescopic rod 5 is fixed on the side part of the bonding nozzle 1 through a bolt; the upper end of the cutter 203 is in clearance fit in the shell 201, and the upper end of the cutter 203 is rotatably connected with the shell 201 through a rotating shaft; the left side and the right side of the upper end of the cutter 203 are respectively connected with a rotary seat 204 through a rotating shaft in a rotating way, and the two rotary seats 204 are symmetrical left and right; one end of each of the two opposite transpositions 204 is welded with a second iron sheet 205; a double-sided electromagnet 206 is arranged between the two second iron sheets 205, and the second iron sheets 205 are connected with the double-sided electromagnet 206 in a magnetic adsorption manner; the double-sided electromagnet 206 is fixed at the middle position of the top of the inner side of the shell 201 through bolts; extension springs 207 are arranged on two sides of the upper end of the cutter 203; one end of the extension spring 207 is welded and fixed with the side end of the cutter 203; the other end of the extension spring 207 is welded and fixed with the side part of the shell 201; when the double-sided electromagnet 206 is electrified, magnetic force is generated to attract the left and right iron sheets 205 to be attached to two ends of the double-sided electromagnet, at the moment, the iron sheets 205 drive the upper end of the cutter 203 to be closed, the extension spring 207 is elongated, the lower end of the cutter 203 performs shearing action, when power is off, the extension spring 207 drives the upper end of the cutter 203 to reset to two sides, and the lower end of the cutter 203 is opened again; the matching port 202 is arranged in the middle of the bottom of the shell 201; the middle position of the cutter 203 is movably penetrated inside the matching port 202; the lower end of the cutter 203 is arranged outside the shell 201, and the bottom end of the cutter 203 is matched with the bottom end of the bonding nozzle 1 in a front-back mode.

Specifically, please refer to fig. 1, the first iron sheet 3, the first electromagnet 4 and the spring telescopic rod 5 are both in an inclined shape with a high front part and a low rear part, when the first electromagnet 4 is powered on, magnetic force is generated to attract the first iron sheet 3 to be attached to the first iron sheet 3, at this time, referring to fig. 4, the first iron sheet 3 drives the knife control 2 to move backwards, so that the bottom end of the knife 203 moves to the bottom of the bonding nozzle 1 to be used for shearing metal wires, meanwhile, the spring telescopic rod 5 contracts inwards to be shortened, a spring of the spring is compressed, when the cutting is completed, the first electromagnet 4 is powered off, the spring telescopic rod 5 rebounds to reset, and the knife control 2 is pushed to move forwards to an original position.

Specifically, referring to fig. 1, two spring telescopic rods 5 are respectively disposed on the left side and the right side of the knife control 2, and the spring telescopic rods 5 are distributed in a matrix manner around the first iron sheet 3 and the first electromagnets 4.

Specifically, referring to fig. 2, the top of the housing 201 is rectangular, and the bottom of the housing 201 is isosceles trapezoid.

Specifically, referring to fig. 1 and 2, the cutting tool 203 is a sharp-pointed curved-mouth scissors, which is convenient to cooperate with the bottom of the bonding nozzle 1 and perform a cutting operation at the bottom of the bonding nozzle 1 in combination with fig. 4.

Specifically, referring to fig. 2 and 3, the rotary seat 204 is in an L-shaped plate shape, and the rotary seat 204 is movably connected to the upper end of the cutting tool 203, so as to facilitate the magnetic attraction between the second iron sheet 205 and the double-sided electromagnet 206.

The method comprises the following specific implementation steps:

referring to fig. 4, after the bonding at the second bonding position is completed, the bonding nozzle 1 is lifted, the first electromagnet 4 is energized to adsorb the first iron sheet 3, the cutter controller 2 is moved toward the bonding nozzle 1, the bottom end of the cutter 203 is moved to the bottom of the bonding nozzle 1, the double-sided electromagnet 206 is energized to adsorb the second iron sheet 205, and the upper end of the cutter 203 is closed in combination with fig. 2, so that the lower end of the cutter 203 is sheared to cut off the bonded metal wire. After the cutting, the first electromagnet 4 and the double-sided electromagnet 206 are powered off, the cutter controller 2 returns to the original position through the telescopic spring rod 5, and the cutter 203 returns to the original state through the extension spring 207.

In conclusion: according to the control system of the high-temperature bonding machine, the cutter is the sharp-pointed bent-mouth scissors, so that the metal wire can be cut off transversely in a cutting mode conveniently, and the cutter cannot press the metal wire downwards during cutting, so that the cutter is not prone to damage a bonding position; the utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, the cutter cuts off the wire through the mode of shearing, is difficult for causing the advantage of damage to the bonding position to effectual problem and the not enough of appearing in having solved current device.

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. A high temperature bonder control system comprising: the device comprises a bonding nozzle (1), a knife control (2), a first iron sheet (3), a first electromagnet (4) and a spring telescopic rod (5); the method is characterized in that: a cutter controller (2) is arranged on the front side of the bonding nozzle (1); the knife control (2) comprises a shell (201), a matching port (202), a knife (203), a rotary seat (204), a second iron sheet (205), a double-sided electromagnet (206) and an extension spring (207); a first iron sheet (3) is welded on the rear side of the shell (201); a first electromagnet (4) is arranged on the rear side of the first iron sheet (3), and the first iron sheet (3) is connected with the first electromagnet (4) in a magnetic adsorption mode; the first electromagnet (4) is embedded at the front end of the bonding nozzle (1); a spring telescopic rod (5) is arranged on the side part of the shell (201); the front end of the spring telescopic rod (5) is fixed on the side part of the shell (201) through a bolt; the rear end of the spring telescopic rod (5) is fixed on the side part of the bonding nozzle (1) through a bolt; the upper end of the cutter (203) is in clearance fit with the inside of the shell (201), and the upper end of the cutter (203) is rotatably connected with the shell (201) through a rotating shaft; the left side and the right side of the upper end of the cutter (203) are respectively connected with a rotary seat (204) through a rotating shaft in a rotating way, and the two rotary seats (204) are symmetrical left and right; one end of each of the two opposite rotating bases (204) is welded with a second iron sheet (205); a double-sided electromagnet (206) is arranged between the two second iron sheets (205), and the second iron sheets (205) are connected with the double-sided electromagnet (206) in a magnetic adsorption manner; the double-sided electromagnet (206) is fixed at the middle position of the top of the inner side of the shell (201) through a bolt; the matching port (202) is arranged in the middle of the bottom of the shell (201); extension springs (207) are arranged on two sides of the upper end of the cutter (203); one end of the extension spring (207) is welded and fixed with the side end of the cutter (203); the other end of the extension spring (207) is welded and fixed with the side part of the shell (201); the middle position of the cutter (203) movably penetrates through the inner side of the matching port (202); the lower end of the cutter (203) is arranged outside the shell (201), and the bottom end of the cutter (203) is matched with the bottom end of the bonding nozzle (1) in a front-back mode.

2. The high temperature bonder control system of claim 1, wherein: the first iron sheet (3), the first electromagnet (4) and the spring telescopic rod (5) are all in an inclined shape with a high front part and a low back part.

3. The high temperature bonder control system of claim 1, wherein: the spring telescopic rods (5) are respectively provided with two on the left side and the right side of the knife control (2).

4. The high temperature bonder control system of claim 1, wherein: the top of shell (201) is the rectangle form, and the bottom of shell (201) is isosceles trapezoid shape.

5. The high temperature bonder control system of claim 1, wherein: the cutter (203) is a sharp-pointed bent-mouth scissors.

6. The high temperature bonder control system of claim 1, wherein: the rotary seat (204) is in an L-shaped plate shape.