CN218957677U

CN218957677U - Bonding riving knife suitable for metal deep cavity shell

Info

Publication number: CN218957677U
Application number: CN202222811905.XU
Authority: CN
Inventors: 王安瑞; 张泽月; 梁赟
Original assignee: Chengdu Ruixin Times Technology Co ltd
Current assignee: Chengdu Ruixin Times Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-02
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the field of bonding cleavers, and discloses a bonding cleaver suitable for a metal deep cavity shell, which comprises a cutter body arranged on the surface of a bonding cleaver main body, a telescopic rod arranged on the inner side of the cutter body, a damping ring arranged on the surface of the telescopic rod, a cutter head arranged on the other end of the telescopic rod, an oil drum arranged on the top end of the cutter body, a plunger arranged on the inner side of the oil drum, a pull rod arranged on one end of the plunger, and an oil inlet pipe arranged on the top end of the oil drum.

Description

Bonding riving knife suitable for metal deep cavity shell

Technical Field

The utility model relates to the field of bonded cleavers, in particular to a bonded cleaver suitable for a metal deep cavity shell.

Background

Wire bonding is a method which uses thin metal wires, utilizes heat, pressure and ultrasonic energy to tightly bond metal wires and substrate bonding pads, realizes electric interconnection between chips and substrates and information intercommunication between chips, and under ideal control conditions, electronic sharing or atomic interdiffusion can occur between the wires and the substrates, so that atomic bonding can be realized between the two metals, wherein a bonding chopper is an important tool in the wire bonding process, the structure and performance of the bonding chopper determine the flexibility, reliability and economy of bonding, and when the bonding of the substrate in a metal deep cavity shell is realized, the bonding chopper is required to be used more strictly, and the bonding chopper is required to penetrate into the deep cavity.

The existing bonding riving knife has simple structure, can only bond a single common substrate, cannot perform bonding work when facing a complex substrate, cannot penetrate into the inside when facing a metal deep cavity, is easy to abrade with the side wall, affects the bonding process, and has the defects that after the cutter head is used for a long time, the cutter head is worn, the cost for replacing the riving knife is too high, and the lead is easy to abrade in the long-time use process, so that the lubrication effect cannot be achieved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a bonding riving knife suitable for a metal deep cavity shell.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a bonding chopper suitable for a metal deep cavity shell, which comprises a bonding chopper main body, wherein the surface of the bonding chopper main body is provided with a cutter body, the inner side of the cutter body is provided with a telescopic rod, the surface of the telescopic rod is provided with a damping ring, the other end of the telescopic rod is provided with a cutter head, the top end of the cutter body is provided with an oil drum, the inner side of the oil drum is provided with a pushing plug, one end of the pushing plug is provided with a pull rod, the top end of the oil drum is provided with an oil inlet pipe, the top end of the oil inlet pipe is provided with a rubber plug, the bottom end of the oil drum is provided with an oil delivery pipe, the bottom end of the oil delivery pipe is provided with a sponge, and the inner side of the bonding chopper main body is provided with a wire passing channel.

As a preferable technical scheme of the utility model, the other end of the cutter head is provided with a bonding section, the surface of the bonding section is provided with a wire inlet, the other end of the bonding section is provided with a wire outlet, both ends of the cutter body are provided with grooves, the inner sides of the grooves are provided with bolts, both ends of the telescopic rod are provided with thread grooves, and the inner sides of the thread grooves are provided with rubber thread layers.

As a preferable technical scheme of the utility model, the telescopic rod is in threaded connection with the cutter body, the telescopic rod is in fixed connection with the cutter head, and the cutter body is in fixed connection with the oil drum.

As a preferable technical scheme of the utility model, the oil drum is movably connected with the push plug, the push plug is fixedly connected with the pull rod, and the wire passing channel is hollowed out by the bonding riving knife main body.

As a preferable technical scheme of the utility model, the cutter head is fixedly connected with the bonding section, the wire inlet is arranged in a hollow way of the bonding section, and the wire outlet is arranged in a hollow way of the bonding section.

As a preferable technical scheme of the utility model, the groove is arranged in a hollow manner of the cutter body, the thread groove is arranged in a hollow manner of the telescopic rod, and the thread groove is fixedly connected with the rubber thread layer.

As a preferable technical scheme of the utility model, the cutter body, the cutter head and the bonding section are made of stainless steel, the rubber thread layer and the rubber plug are made of rubber, and the oil drum is made of plastic.

Compared with the prior art, the utility model has the following beneficial effects:

this bonding riving knife has installed telescopic link, bolt can effectually solve the narrow and small problem in metal dark chamber shell bonding space, makes its bonding more smooth can not produce wearing and tearing with the lateral wall, and only need change the tool bit when the tool bit appears wearing and tearing and need not change the cutter body, greatly reduced use cost, this bonding riving knife has installed the oil drum and can effectually lubricate for the lead wire, makes its output more unobstructed, has avoided the lead wire to appear wearing and tearing, leads to the bonding effect not good.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

in the figure: 1. bonding the riving knife main body; 2. a cutter body; 3. a telescopic rod; 4. a damping ring; 5. a cutter head; 6. an oil drum; 7. pushing the plug; 8. a pull rod; 9. an oil inlet pipe; 10. a rubber plug; 11. an oil delivery pipe; 12. a sponge; 13. a wire passing channel; 14. bonding a section; 15. a wire inlet; 16. a wire outlet; 17. a groove; 18. a bolt; 19. a thread groove; 20. rubber thread layer.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Wherein like reference numerals refer to like elements throughout.

Example 1

As shown in fig. 1-3, the utility model provides a bonding chopper suitable for a metal deep cavity shell, which comprises a cutter body 2 arranged on the surface of a bonding chopper main body 1, a telescopic rod 3 arranged on the inner side of the cutter body 2, a damping ring 4 arranged on the surface of the telescopic rod 3, a cutter head 5 arranged on the other end of the telescopic rod 3, an oil drum 6 arranged on the top end of the cutter body 2, a plunger 7 arranged on the inner side of the oil drum 6, a pull rod 8 arranged on one end of the plunger 7, an oil inlet pipe 9 arranged on the top end of the oil drum 6, a rubber plug 10 arranged on the top end of the oil inlet pipe 9, an oil conveying pipe 11 arranged on the bottom end of the oil conveying pipe 11, a sponge 12 arranged on the bottom end of the oil conveying pipe 11, and a wire passing channel 13 arranged on the inner side of the bonding chopper main body 1.

Further, the other end of tool bit 5 is provided with bonding tangent plane 14, the surface of bonding tangent plane 14 is provided with inlet 15, the other end of bonding tangent plane 14 is provided with outlet 16, the both ends of cutter body 2 all are provided with recess 17, recess 17's inboard all is provided with bolt 18, the both ends of telescopic link 3 all are provided with screw groove 19, screw groove 19 inboard all is provided with rubber thread layer 20, bonding tangent plane 14 is used for bonding the contact surface, the lead wire passes inlet 15 and passes outlet 16 again and avoid the excessive exposing of lead wire to lead to take place the friction rather than the metal dark chamber shell, rubber thread layer 20 is the rubber material, can make it fixed more firm.

The telescopic rod 3 is in threaded connection with the cutter body 2, the telescopic rod 3 is in fixed connection with the cutter head 5, the cutter body 2 is in fixed connection with the oil drum 6, the cutter head 5 is convenient to replace in threaded connection, and the fixed connection is firm and durable.

The oil drum 6 is movably connected with the pushing plug 7, the pushing plug 7 is fixedly connected with the pull rod 8, the wire passing channel 13 is formed by connecting the hollow of the riving knife main body 1, the pushing plug 7 is movably connected to control the internal air pressure, the push rod is fixedly connected more firmly, and the hollow is convenient for the lead wire to penetrate from the wire passing channel 13.

The tool bit 5 is fixedly connected with the bonding section 14, the wire inlet 15 is arranged in a hollow mode of the bonding section 14, the wire outlet 16 is arranged in a hollow mode of the bonding section 14, the fixed connection is more rapid and firm, and the wire inlet 15 and the wire outlet 16 are arranged in a hollow mode, so that the wire can penetrate conveniently.

The groove 17 is the hollow setting of the cutter body 2, the thread groove 19 is the hollow setting of the telescopic link 3, the thread groove 19 is fixed connection with the rubber thread layer 20, the hollow setting is convenient for its fixing.

The cutter body 2, the cutter head 5 and the bonding tangent plane 14 are made of stainless steel, the rubber thread layer 20 and the rubber plug 10 are made of rubber, the oil drum 6 is made of plastic, the stainless steel is not easy to corrode, the rubber thread layer 20 is made of rubber, the rubber plug 10 is fixed more firmly, the sealing effect of the rubber is better, and the plastic is lighter.

Specifically, the bonding riving knife main body 1 is formed by a knife body 2, a knife head 5 and a bonding tangent plane 14, when in use, the telescopic rod 3 is pulled out by manpower, because the damping ring 4 is arc-shaped and smaller than the positive rod inner cavity of the telescopic rod 3, the damping ring plays a role in damping when being pulled out again, so that the damping ring cannot loosen, the telescopic rod 3 is plugged into the knife body 2, the inside of the knife body 2 is hollow, the bolt 18 is screwed into a thread groove 19 through a groove 17 at two ends of the knife body 2, the rubber thread layer 20 is made of rubber materials, the mounting is firmer, the effect of fixing the knife head 2 is achieved, a lead wire passes through a wire inlet 15 and then passes through a wire outlet 16 through a wire passing channel 13, so that the lead wire cannot be exposed outside to reduce the possibility of friction with the inner wall, meanwhile, the bonding tangent plane 14 is the inclined tangent plane, and is longer than the knife head 2, the riving knife descends in the bonding process, the bonding process can be smoothly completed by applying ultrasonic vibration and pressure to the lead wire without interfering with the side wall of the metal deep cavity, the working capacity of the bonding riving knife main body 1 is greatly improved, other bonding can be performed in a narrow deep cavity, when the knife head 5 is worn after long-time use, the operation can be repeated, the bolt 18 is twisted, the worn knife head 5 is taken out, the new knife head 5 is replaced, the cost is saved to a certain extent, the knife body 2 is not needed to be replaced, during the bonding process, the lead wire is shuttled in the wire passing channel 13, friction at a point is hardly generated, the rubber plug 10 can be taken down, lubricating oil is filled into the oil inlet barrel 6 through the oil inlet pipe 9, the push plug 7 is pulled outwards by manually pulling the pull rod 8, the lubricating oil is pushed into the oil conveying pipe 11 by utilizing the pressure difference, the sponge 12 is wetted by the lubricating oil in the oil delivery pipe 11, and the lead wire is contacted with the sponge 12 to lubricate when passing through, so that abrasion with the inside of the cutter body 2 is avoided, and the lead wire is output more smoothly.

The using method of the bonding riving knife main body 1 comprises the following steps: during the use, the telescopic rod 3 is completely pulled out through manpower, then the telescopic rod is plugged into the cutter body 2, the groove 17 is fixed through the bolt 18 corresponding to the thread groove 19, the lead sequentially passes through the wire passing channel 13, the wire inlet 15 and the wire outlet 16, ultrasonic vibration and pressure are applied to the lead, the bonding process is smoothly completed, lubricating oil is added into the oil drum 6 through the oil inlet pipe 9 in the bonding process, the effect of lubricating the lead is achieved through pushing and pulling the plug 7, when the cutter head 5 is worn, the operation can be repeated, the bolt 18 is taken out, the old cutter head 5 is taken out, and the new cutter head is mounted.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a bonding riving knife suitable for metal deep cavity shell, includes bonding riving knife main part (1), its characterized in that, the surface of bonding riving knife main part (1) is provided with cutter body (2), the inboard of cutter body (2) is provided with telescopic link (3), the surface of telescopic link (3) is provided with damping circle (4), the other end of telescopic link (3) is provided with tool bit (5), the top of cutter body (2) is provided with oil drum (6), the inboard of oil drum (6) is provided with and pushes away stopper (7), the one end that pushes away stopper (7) is provided with pull rod (8), the top of oil drum (6) is provided with oil pipe (9), the top of oil pipe (9) is provided with rubber stopper (10), the bottom of oil drum (6) is provided with oil pipe (11), the bottom of oil pipe (11) is provided with sponge (12), the inboard of bonding riving knife main part (1) is provided with wire passageway (13).

2. The bonding riving knife suitable for the metal deep cavity shell according to claim 1, characterized in that the other end of the knife head (5) is provided with a bonding tangent plane (14), the surface of the bonding tangent plane (14) is provided with a wire inlet (15), the other end of the bonding tangent plane (14) is provided with a wire outlet (16), both ends of the knife body (2) are provided with grooves (17), the inner sides of the grooves (17) are provided with bolts (18), both ends of the telescopic rod (3) are provided with thread grooves (19), and the inner sides of the thread grooves (19) are provided with rubber thread layers (20).

3. The bonding riving knife suitable for the metal deep cavity shell according to claim 1, wherein the telescopic rod (3) is in threaded connection with the knife body (2), the telescopic rod (3) is fixedly connected with the knife head (5), and the knife body (2) is fixedly connected with the oil drum (6).

4. The bonding riving knife suitable for the metal deep cavity shell according to claim 1, wherein the oil drum (6) is movably connected with the pushing plug (7), the pushing plug (7) is fixedly connected with the pull rod (8), and the wire passing channel (13) is hollowed out of the bonding riving knife main body (1).

5. The bonding riving knife suitable for the metal deep cavity shell according to claim 2, wherein the knife head (5) is fixedly connected with the bonding section (14), the wire inlet (15) is formed by hollowing out the bonding section (14), and the wire outlet (16) is formed by hollowing out the bonding section (14).

6. The bonding riving knife suitable for the metal deep cavity shell according to claim 2, wherein the groove (17) is formed by hollowing out the knife body (2), the thread groove (19) is formed by hollowing out the telescopic rod (3), and the thread groove (19) is fixedly connected with the rubber thread layer (20).

7. The bonding riving knife suitable for the metal deep cavity shell according to claim 2, wherein the knife body (2), the knife head (5) and the bonding section (14) are made of stainless steel, the rubber thread layer (20) and the rubber plug (10) are made of rubber, and the oil drum (6) is made of plastic.