CN111211070B - Surface-mounted integrated circuit rib cutting machine - Google Patents
Surface-mounted integrated circuit rib cutting machine Download PDFInfo
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- CN111211070B CN111211070B CN201911401723.1A CN201911401723A CN111211070B CN 111211070 B CN111211070 B CN 111211070B CN 201911401723 A CN201911401723 A CN 201911401723A CN 111211070 B CN111211070 B CN 111211070B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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Abstract
The invention discloses a surface-mounted integrated circuit rib cutting machine which comprises a mechanical part, a detection part and an electric control part. The mechanical part consists of a cylinder, an electromagnetic valve, a framework substrate, a movable cutter holder, a movable cutter, a static cutter holder, a static cutter, a product positioning groove, a support column and a static cutter pressing block; the detection part consists of an optical fiber amplifier, an optical fiber probe and an optical fiber focusing lens; the electric control part consists of a PLC programming controller and a control button. The optical fiber probe is positioned at the static cutter seat, the signal output of the optical fiber amplifier is connected with the input end of the PLC, the output end of the PLC is connected with the electromagnetic valve, and the air path of the electromagnetic valve is connected with the air cylinder of the mechanical part. The invention can solve the problem of cutting the ribs of the ceramic surface-mounted integrated circuit in enterprises, has the characteristics of high automation degree, good rib cutting quality, high rib cutting efficiency, simple and reliable structure and low equipment manufacturing cost, is easy to popularize and use, and is suitable for the enterprises producing the surface-mounted integrated circuit.
Description
Technical Field
The invention relates to a cutting molding method in a pressurizing mode in the manufacture of a semiconductor device, in particular to a rim cutting device of an integrated circuit.
Background
Ceramic surface mount packages (also known as ceramic flat packages, such as H08X2-03, H14X2-03, H16X 2-03) are one form of package for highly reliable integrated circuits, and the demand for such packages has increased with the recent demands for miniaturization and high reliability of packaging equipment. However, the packaged product is a ceramic cavity scattered piece, and at present, no equipment can cut the ribs with high quality and high efficiency. The production of the surface-mounted integrated circuit adopts relatively simple equipment to manually cut the ribs, such as a TG-25 type manual rib cutting machine used by Guizhou Zhenhua wind-solar semiconductor limited company, the working principle of the surface-mounted integrated circuit is similar to the shearing principle of scissors, two sides of the surface-mounted integrated circuit are required to be cut in two steps, the surface-mounted integrated circuit is required to be fixed at the cutter position of the rib cutting machine by hands during operation, an air path switch is stepped on by feet, thus the rib cutting on one side of a surface-mounted circuit product is completed, then the surface-mounted integrated circuit product is turned over, and then the rib cutting on the other side of the product is carried out by the same method.
In the Chinese patent database, the application parts related to integrated circuit rib cutting include 2010201198411A full-automatic high-speed integrated circuit rib cutting system 2010101146534A control system of an integrated circuit rib cutting device, 201220233937X A high-density thick film integrated circuit lead pin rib cutting device, 2019105782277A integrated circuit rib cutting forming device and the like. However, these patent devices are not only complex in structure, but also do not meet the need of solving the existing problem of cutting off the rim of the ceramic surface-mounted integrated circuit.
Disclosure of Invention
The invention aims to provide a surface-mounted integrated circuit rib cutting machine which is used for cutting ribs of a ceramic surface-mounted integrated circuit. The machine type has the characteristics of high automation degree, high quality, high efficiency, low cost, simplicity and reliability.
The surface-mounted integrated circuit rib cutting machine provided by the inventor consists of a mechanical part, a detection part and an electric control part; the mechanical part comprises a static cutter seat, a product positioning groove, a static cutter pressing block, a movable cutter seat, a movable cutter, a framework substrate, a support column, an air cylinder and an electromagnetic valve; the detection part comprises an optical fiber probe, an optical fiber focusing mirror and an optical fiber amplifier; the electric control part comprises a PLC programming controller and an operation button thereof;
the static cutter, the static cutter pressing block and the product positioning groove are arranged on the static cutter seat, the movable cutter is arranged on the movable cutter seat, the movable cutter seat is fixed on the air cylinder, and the static cutter seat and the air cylinder are both arranged on a horizontally placed substrate;
the movable cutter is horizontally arranged and moves in the water direction, and the movable cutter moves horizontally to force the product after cutting the ribs and the scrap of the rim to move in different directions;
the lower part of the product positioning groove is provided with a stop block, only the rim waste can avoid the stop block, and the cavity part of the surface-mounted circuit is blocked by the stop block and cannot slide downwards;
the product positioning groove is provided with a flaring so as to quickly place products when cutting ribs; placing an optical fiber probe and an optical fiber focusing lens on the static cutter seat, wherein the optical fiber probe and the optical fiber focusing lens are used for detecting whether a product exists or not;
the optical fiber focusing lens is sleeved on the optical fiber probe by threads and has the function of focusing light so as to detect fine objects;
the optical fiber probe is connected with the optical fiber amplifier through the optical fiber and has the function of transmitting the optical signal to the optical fiber amplifier for processing; the signal output end of the optical fiber amplifier is connected to the input end of the PLC by a cable, and the signal output end of the optical fiber amplifier is used for processing the information about the existence of the surface mounted circuit of the mechanical part and outputting the processed information to the PLC;
the output end of the PLC is connected with the electromagnetic valve of the mechanical part, and the PLC is used for controlling the on-off of the electromagnetic valve according to the information sent by the optical fiber amplifier when the surface-mounted circuit of the mechanical part exists;
the on-off of the compressed gas is controlled by the on-off of the electromagnetic valve, the compressed gas pushes the cylinder to reciprocate, and the reciprocating motion of the cylinder drives the cutter to cut off the edge of the surface-mounted circuit and separate waste materials; otherwise, when the surface-mounted circuit product is not present, the mechanical part does not act.
The concrete rib cutting process is as follows: when the surface-mounted circuit is placed at the position of the product positioning groove and vertically slides down from top to bottom under the action of gravity, and reaches the stop block of the product positioning groove, the circuit cavity is stopped by the stop block of the product positioning groove and then is static. At this moment, the light emitted by the optical fiber amplifier irradiates the lower edge of the product sequentially through the optical fiber, the optical fiber probe and the optical fiber focusing mirror, then the light is reflected by the product, and sequentially returns to the optical fiber amplifier through the optical fiber focusing mirror, the optical fiber probe and the optical fiber primary path, the optical fiber amplifier receives the reflected light signal and then sends a micro-electric signal to the PLC, the PLC outputs 24V voltage to drive the electromagnetic valve to open, compressed gas pushes the air cylinder, the movable cutter seat and the connected movable cutter to move horizontally, and acts with the static cutter in a combined way, the surface-mounted circuit is punched and molded once, then the surface-mounted circuit finished product moves horizontally for a certain distance along the chute of the static cutter seat and slides down to the product receiving box, and the rim waste is vertically slipped under the action of gravity through the slit of the product positioning groove because the cavity of the circuit is not provided, thus the circuit product is separated from the rim waste, and one-time of cutting is completed.
The surface-mounted integrated circuit rib cutting machine provided by the invention can solve the rib cutting problem of ceramic surface-mounted integrated circuits in enterprises, has the characteristics of high automation degree, good rib cutting quality, high rib cutting efficiency, simple and reliable structure and low equipment manufacturing cost, is easy to popularize and use, and is suitable for the enterprises producing the surface-mounted integrated circuits.
Drawings
FIG. 1 is a schematic diagram of a surface mount integrated circuit bar cutter according to the present invention;
FIG. 2 is an overall view of a surface mount integrated circuit bar cutter of the present invention;
FIG. 3 is an exploded view of the stationary cutter block and its attachment;
FIG. 4 is an exploded view of the movable cutter block and its attachment;
FIG. 5 is an exploded view of the structural substrate and the support posts;
FIG. 6 is a mechanical part exploded view;
FIG. 7 is an overall view of a mechanical part;
FIG. 8 is an outline view of the H14X2-03 type ceramic surface mount integrated circuit package before dicing.
In the figure: the automatic cutting machine comprises a static cutter seat 1, a product positioning groove 2, a static cutter 3, a static cutter pressing block 4, a movable cutter seat 5, a movable cutter seat 6, a framework substrate 7, a support column 8, a cylinder 9, an optical fiber amplifier 10, an optical fiber probe 11, an optical fiber focusing mirror 12, a PLC (programmable logic controller) 13 and an electromagnetic valve 14.
Detailed Description
For an enhanced understanding of the invention, the present invention will be described in further detail with reference to the drawings and examples, which are provided for the purpose of illustrating the invention only and are not to be construed as limiting the scope of the invention.
Examples
The invention relates to a surface-mounted integrated circuit rib cutting machine, which has the following specific implementation processes, wherein the mutual relations of the components are shown in fig. 1 and 2:
as shown in fig. 3, 4 and 5, the mechanical parts of the rib cutting machine are processed. Purchase fiber amplifier, fiber optic probe, fiber optic focusing mirror, PLC programmable controller, solenoid valve. As shown in fig. 3, the static cutters 3 on the left and right sides are installed at the static cutter groove positions of the static cutter seat 1, and then the static cutter pressing blocks 4 on the left and right sides are used for covering the Yu Jing cutters and are fixed by screws. Two mounting holes of the product positioning groove are aligned with screw holes of the static cutter seat and are fixed by screws. The optical fiber probe 11 is screwed into the screw hole of the optical fiber focusing lens 12, and then the optical fiber probe is fixed on the static cutter seat. As shown in fig. 4, the movable cutter holder 5 is screwed to the cylinder 9, and the movable cutter 6 is inserted into the square hole of the movable cutter holder and screwed. As shown in fig. 5, the support posts 8 are screwed to the frame base 7. As shown in fig. 6, the stationary blade holder portion obtained above is screwed to the left side of the frame substrate, and the movable blade holder portion obtained above is screwed to the right side of the frame substrate. The mechanical part of the rib cutting machine shown in fig. 7 is obtained. As shown in fig. 2, the optical fiber probe 11 is connected with the output and input interface of the optical fiber amplifier 10, the electric signal output end of the optical fiber amplifier is connected with the signal input end of the PLC programming controller 13, the output end of the PLC programming controller is connected with the electromagnetic valve 14, the two output air pipes of the electromagnetic valve are connected with the air cylinder, the power supply of the PLC programming controller is connected, the control program is input on the PLC programming controller, and the program is stored. So far, the whole machine manufacturing and assembling of the rib cutting machine is completed.
As shown in FIG. 8, the H14X2-03 type ceramic surface-mounted integrated circuit package is cut by the rib cutting machine provided by the invention, when the rib is cut, the product is only required to be vertically placed at the flaring position of the product positioning groove of the rib cutting machine, the product immediately slides to the position of the rib cutting, the rib cutting is automatically completed, and the rib cutting quality and the rib cutting efficiency are as follows.
(1) Quality of cutting rib
The main data of the rib cutting quality are as follows:
a. according to the specification of the product standard, the external dimension width of the product is 11.20mm-11.40mm, and the external dimension width of the bar cutting machine after bar cutting is controlled to be 11.26mm-11.32mm, which is superior to the specification of the product standard;
b. no lead wire deformation, burrs, oblique cutting and other lead wire damage exists after the rib is cut;
c. the qualification rate of the cut ribs reaches more than 99.9 percent.
(2) Rib cutting efficiency
The rib cutting machine provided by the invention adopts an integral punching mode to cut ribs, and the rib cutting efficiency is 5 times that of the currently commonly used equipment, so that more than 2000 products are cut per hour.
Claims (1)
1. The surface-mounted integrated circuit rib cutting machine is characterized by comprising a mechanical part, a detection part and an electric control part; the mechanical part comprises a static cutter seat, a product positioning groove, a static cutter pressing block, a movable cutter seat, a movable cutter, a framework substrate, a support column, an air cylinder and an electromagnetic valve; the detection part comprises an optical fiber probe, an optical fiber focusing mirror and an optical fiber amplifier; the electric control part comprises a PLC programming controller and an operation button thereof;
the static cutter, the static cutter pressing block and the product positioning groove are arranged on the static cutter seat, and the static cutters on the left side and the right side are arranged at the static cutter groove of the static cutter seat; the static cutter pressing blocks on the left side and the right side cover the Yu Jing cutters;
the movable cutter is arranged on the movable cutter seat, the movable cutter seat is fixed on the air cylinder, and the static cutter seat and the air cylinder are both arranged on a horizontally placed substrate;
the movable cutter is horizontally arranged and moves in the water direction;
a stop block is arranged at the lower part of the product positioning groove, only the scrap of the rim can avoid the stop block, and the cavity part of the surface-mounted circuit is blocked by the stop block and cannot slide downwards;
the product positioning groove is provided with a flaring; an optical fiber probe and an optical fiber focusing lens are arranged on the static cutter seat;
the optical fiber focusing lens is sleeved on the optical fiber probe by threads;
the optical fiber probe is connected with an optical fiber amplifier through an optical fiber;
the signal output end of the optical fiber amplifier is connected to the input end of the PLC by a cable, and the output end of the PLC is connected with the electromagnetic valve of the mechanical part;
the on-off control of the electromagnetic valve is used for controlling the on-off of compressed gas, the compressed gas is used for pushing the cylinder to reciprocate, the cylinder reciprocates to drive the cutter to cut off the edge of the surface-mounted circuit and separate waste materials, otherwise, when the surface-mounted circuit product does not exist, the mechanical part does not act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401723.1A CN111211070B (en) | 2019-12-31 | 2019-12-31 | Surface-mounted integrated circuit rib cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401723.1A CN111211070B (en) | 2019-12-31 | 2019-12-31 | Surface-mounted integrated circuit rib cutting machine |
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| CN111211070A CN111211070A (en) | 2020-05-29 |
| CN111211070B true CN111211070B (en) | 2023-06-06 |
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| CN205926936U (en) * | 2016-08-01 | 2017-02-08 | 深圳市兴宇合电子有限公司 | PIN machine is cut in miniature accurate pneumatics |
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| CN206253557U (en) * | 2016-11-17 | 2017-06-16 | 昆山万盛电子有限公司 | A kind of quick pin shearing device of pressure-sensitive product |
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Address after: 550018 Guizhou Province, Guiyang city new North Avenue No. 238 Applicant after: Guizhou Zhenhua Fengguang Semiconductor Co.,Ltd. Address before: 550018 Guizhou Province, Guiyang city new North Avenue No. 238 Applicant before: GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR Co.,Ltd. |
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