CN211888796U

CN211888796U - Cutting device is used in processing of bonding gold wire

Info

Publication number: CN211888796U
Application number: CN202020318231.8U
Authority: CN
Inventors: 周钢; 范传勇; 张知行
Original assignee: Shanghang Zijin Jiabo Electronic New Material Technology Co ltd
Current assignee: Shanghang Zijin Jiabo Electronic New Material Technology Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-10
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a cutting device for bonding gold wire processing, which belongs to the technical field of bonding gold wire processing, and comprises a base, wherein one side of the upper surface of the base is fixed with a mounting seat, one side of the mounting seat is fixed with a servo motor, the other side of the mounting seat is inserted with a rotating rod, one end of the rotating rod is connected with the power output end of the servo motor, and a fixed disk is fixed on the side surface of the rotating rod close to one side of the mounting seat, when the bonding gold wire is wound, the utility model automatically counts the rotating turns of a small-sized rack by using a counter, and after the winding turns reach a specified number, the servo motor can be controlled to stop rotating by a first controller, thereby being convenient for realizing the driving work of a first electric push rod by using a second controller and cutting the bonding gold wire by using a cutting tool bit, the accuracy of the length of the bonding gold wire wound by the small fixture is improved, and the cutting convenience is improved.

Description

Cutting device is used in processing of bonding gold wire

Technical Field

The utility model relates to a bonding gold wire processing technology field specifically is a cutting device is used in bonding gold wire processing.

Background

Gold alloy wires, also called ball bonding wires or lead wires, are used as connecting wires in integrated circuits. The content of gold is more than or equal to 99.99 percent, and the total content of trace additive elements is less than 0.01 percent. There are three types, gamma type, C type and FA type, the latter two are used for high speed bonding. The trace elements are beryllium, copper, silver and the like, and have the functions of refining grains, increasing recrystallization temperature and strengthening gold. Vacuum smelting in a high-frequency furnace, secondary remelting and directional crystallization, homogenizing, and cold processing into a finished product. Or by a liquid extrusion process. Gold bonding wires are an important material in the microelectronics industry and are used as interconnects between chips and lead frames.

When the existing gold bonding wire is used for cutting, the winding length of a tool frame cannot be well known, the cutting position can only be observed manually, and the waste of materials is easily caused.

Based on this, the utility model designs a cutting device is used in bonding gold wire processing to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting device is used in processing of bonding gold wire to the technical problem who mentions in the current background art who proposes among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cutting device is used in processing of gold bonding wire, includes the base, upper surface one side of base is fixed with the mount pad, one side of mount pad is fixed with servo motor, the opposite side of mount pad is pegged graft and is had the bull stick, the one end of bull stick with servo motor's power take off end is connected, is close to mount pad one side the bull stick side surface is fixed with the fixed disk, top one side of fixed disk is fixed with protruding joint, top one side of mount pad is fixed with the counter, just bottom one side of counter is provided with the contact probe who is used for triggering the count, the lower extreme of contact probe can with protruding joint contacts, the contact probe through be used for control circuit switch's first controller with servo motor is connected.

Preferably, the other end threaded connection of bull stick has can dismantle the dish, just the fixed disk and can dismantle the inboard surface of dish all are provided with anti-skidding line.

Preferably, be close to bull stick one side the base upper surface fixed has the cutting frame, the rotatable joint in middle part of cutting frame has the deflector roll, top one side of cutting frame is fixed with first electric putter, first electric putter's power take off end is connected with the cutting tool bit, edge of a knife one side of cutting the tool bit is located directly over the deflector roll, the counter pass through the second controller with first electric putter is connected.

Preferably, a limiting plate is fixed on the cutting frame above the guide roller, and the cutting tool bit penetrates through and is inserted into the limiting plate.

Preferably, the cutting frame one side the base upper surface is fixed with the slide, but the joint of the inside wall round trip movement of slide has the guide post, top one side longitudinal symmetry of guide post is fixed with two sets of guide pulleys of mutual contact, the guide slot has been seted up to the side surface of guide pulley, is located slide one end the base upper surface is fixed with second electric putter, second electric putter's power take off end run through the one end of slide and with one side of guide post is fixed mutually.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when carrying out winding work to the bonding gold wire, carry out the automatic counting through the rotation number of turns that utilizes the counter to small form frame, and after the number of turns that twines reaches appointed number of turns, can control servo motor stall through first controller, thereby be convenient for realize the second controller through the utilization to first electric putter's drive work, and utilize and cut the tool bit and cut the bonding gold wire and cut work, improved the accuracy of small form frame winding bonding gold wire length, and the convenience that cuts.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is another side view of the present invention from fig. 1;

fig. 3 is a circuit connection diagram of the servo motor and the first electric push rod of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-mounting seat, 3-servo motor, 4-rotating rod, 5-fixed disk, 6-convex joint, 7-counter, 8-contact probe, 10-first controller, 11-detachable disk, 12-cutting frame, 13-guide roller, 14-first electric push rod, 15-cutting tool bit, 16-second controller, 17-limiting plate, 18-sliding seat, 19-guide column, 20-guide wheel and 21-second electric push rod.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a cutting device is used in processing of gold bonding wire, includes base 1, upper surface one side of base 1 is fixed with mount pad 2, one side of mount pad 2 is fixed with servo motor 3, the opposite side of mount pad 2 is pegged graft and is had bull stick 4, the one end of bull stick 4 with servo motor 3's power take off end is connected, is close to mount pad 2 one side 4 side surface of bull stick is fixed with fixed disk 5, top one side of fixed disk 5 is fixed with protruding joint 6, top one side of mount pad 2 is fixed with counter 7, just bottom one side of counter 7 is provided with the contact probe 8 that is used for triggering the count, the lower extreme of contact probe 8 can with protruding joint 6 contacts, contact probe 8 through the first controller 10 that is used for control circuit switch with servo motor 3 is connected.

It should be noted that when the bonding gold wire is wound and wound on the branch small tooling frame from the large tooling frame, the small tooling frame can be mounted on the rotating rod 4, and is driven to rotate by the servo motor 3, the small tooling frame is driven to wind the bonding gold wire, and the number of the rotating turns is preset by the counter 7, when the fixed disk 5 rotates along with the rotating rod 4, the convex joint 6 intermittently contacts with the contact probe 8, one time the convex joint 6 and the contact probe 8 are one turn, the number of the rotating turns is continuously counted, and when the counted number of turns reaches the set number of turns, the counter 7 transmits a control signal to the first controller 10, the servo motor 3 stops rotating by the first controller 10, and at the moment, the cutting work of the bonding gold wire is performed, which can be convenient for improving the accuracy of the length of the bonding gold wire wound on the small tooling frame, avoid the material waste that leads to because of twining too much.

In a further embodiment, the other end of the rotating rod 4 is in threaded connection with a detachable disk 11, and the inner side surfaces of the fixed disk 5 and the detachable disk 11 are both provided with anti-skid threads; after the small fixture is inserted into the rotating rod 4, the small fixture can be clamped and fixed by inserting the detachable disc 11 on the rotating rod 4 through threads.

In a further embodiment, a cutting frame 12 is fixed on the upper surface of the base 1 near one side of the rotating rod 4, a guide roller 13 is rotatably clamped in the middle of the cutting frame 12, a first electric push rod 14 is fixed on one side of the top of the cutting frame 12, a power output end of the first electric push rod 14 is connected with a cutting tool bit 15, one side of a cutting edge of the cutting tool bit 15 is positioned right above the guide roller 13, and the counter 7 is connected with the first electric push rod 14 through a second controller 16; when the counter 7 controls the servo motor 3 through the first controller 10, the counter 7 can drive the first electric push rod 14 through the second controller 16 by a control signal to drive the cutting tool bit 15 to move downwards, so that the gold bonding wire passing through the guide roller 13 is cut, and the winding and the cutting are synchronously performed.

In a further embodiment, a limiting plate 17 is fixed on the cutting frame 12 above the guide roller 13, and the cutting tool bit 15 penetrates through and is inserted into the limiting plate 17; can improve the stability when cutting through limiting plate 17 spacing when to cutting knife head 15 downstream.

In a further embodiment, a sliding seat 18 is fixed on the upper surface of the base 1 on one side of the cutting frame 12, a guide post 19 is clamped on the inner side wall of the sliding seat 18 and can move back and forth, two groups of guide wheels 20 in mutual contact are fixed on one side of the top of the guide post 19 in a vertically symmetrical manner, a guide groove is formed in the side surface of each guide wheel 20, a second electric push rod 21 is fixed on the upper surface of the base 1 at one end of the sliding seat 18, and a power output end of the second electric push rod 21 penetrates through one end of the sliding seat 18 and is fixed with one side of the guide post 19; the second electric push rod 21 can drive the guide post 19 on the inner side of the slide seat 18 to move back and forth, and the bonding gold wire can be automatically managed through the guide post 19 moving back and forth after passing through the guide groove on the guide wheel 20, so that the bonding gold wire can be uniformly wound on a small fixture.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cutting device is used in processing of bonding gold wire which characterized in that: comprises a base (1), a mounting seat (2) is fixed on one side of the upper surface of the base (1), a servo motor (3) is fixed on one side of the mounting seat (2), a rotating rod (4) is inserted on the other side of the mounting seat (2), one end of the rotating rod (4) is connected with the power output end of the servo motor (3), a fixed disc (5) is fixed on the side surface of the rotating rod (4) close to one side of the mounting seat (2), a convex joint (6) is fixed on one side of the top of the fixed disc (5), a counter (7) is fixed on one side of the top of the mounting seat (2), and one side of the bottom of the counter (7) is provided with a contact probe (8) for triggering counting, the lower end of the contact probe (8) can be contacted with the convex joint (6), the contact probe (8) is connected with the servo motor (3) through a first controller (10) for controlling a circuit switch.

2. The cutting device for gold bonding wire processing according to claim 1, wherein: the other end threaded connection of bull stick (4) has and to dismantle dish (11), just the inboard surface of fixed disk (5) and removable dish (11) all is provided with anti-skidding line.

3. The cutting device for gold bonding wire processing according to claim 1, wherein: be close to bull stick (4) one side base (1) last fixed surface has cutting frame (12), the rotatable joint in middle part of cutting frame (12) has deflector roll (13), the top one side of cutting frame (12) is fixed with first electric putter (14), the power take off end of first electric putter (14) is connected with cuts tool bit (15), edge of a knife one side that cuts tool bit (15) is located directly over deflector roll (13), counter (7) through second controller (16) with first electric putter (14) are connected.

4. The cutting device for gold bonding wire processing according to claim 3, wherein: and a limiting plate (17) is fixed on the cutting frame (12) above the guide roller (13), and the cutting tool bit (15) penetrates through and is inserted into the limiting plate (17).

5. The cutting device for gold bonding wire processing according to claim 3, wherein: cut frame (12) one side base (1) upper surface fixed with slide (18), but the inside wall round trip movement's of slide (18) joint has guide post (19), the top one side longitudinal symmetry of guide post (19) is fixed with two sets of guide pulley (20) of mutual contact, the guide slot has been seted up to the side surface of guide pulley (20), is located slide (18) one end base (1) upper surface fixed with second electric putter (21), the power take off end of second electric putter (21) runs through the one end of slide (18) and with one side of guide post (19) is fixed mutually.