CN218464717U

CN218464717U - Semiconductor chip lead frame detection station roller conveying mechanism

Info

Publication number: CN218464717U
Application number: CN202222510440.4U
Authority: CN
Inventors: 陈叶金
Original assignee: Suzhou Xinyecheng Intelligent Equipment Co ltd
Current assignee: Suzhou Xinyecheng Intelligent Equipment Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-10
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a semiconductor chip lead frame detection station gyro wheel conveying mechanism, comprising a base plate, install the conveyer that a plurality of heads and tails series connection set up on the bottom plate, the conveyer is including setting up two curb plates, and all is equipped with a plurality of driving wheel axles on every curb plate, and all is equipped with the carrier wheel between the tip in every driving wheel axle, and is equipped with two race on every carrier wheel, and the cover is equipped with the rubber circle between the race of adjacent carrier wheel, and two constitute the transport saddle that carries out the transport to the lead frame between the carrier wheel between the curb plate, just be equipped with the synchronous pivoted actuating mechanism of a plurality of driving wheel axles of drive on the curb plate. The utility model has the characteristics of carry steadily, compare with traditional chain convey line transport more steady, the lead frame phenomenon of beating is difficult for appearing, and the result accuracy of guaranteeing to detect is high.

Description

Semiconductor chip lead frame detection station roller conveying mechanism

Technical Field

The utility model relates to a semiconductor manufacturing technology field specifically is a semiconductor chip lead frame detects station gyro wheel conveying mechanism.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires) to form an electrical circuit, plays a role of a bridge connected with an external lead, needs to be used in most semiconductor integrated blocks and is an important basic material in the electronic information industry. In order to ensure the yield of chip packaging, the quality of the lead frame must be detected after the production is finished so as to ensure that the quality specification of the lead frame meets the requirements; when the existing lead frame is conveyed, a chain conveying line is adopted, and the stability of the chain during operation cannot be guaranteed, so that the product is jumped, detection errors are caused, and the lead frame is easily damaged due to the fact that the lead frame is made of soft materials.

SUMMERY OF THE UTILITY MODEL

Stability can not guarantee when moving in order to solve above-mentioned chain for the condition that the product appears beating leads to detecting the mistake, because of lead frame material itself is soft and cause the technical problem of damage to the lead frame easily, the utility model provides a following technical scheme:

the utility model relates to a semiconductor chip lead frame detection station gyro wheel conveying mechanism, comprising a base plate, install the conveyer that a plurality of heads and tails series connection set up on the bottom plate, the conveyer is including setting up two curb plates, and all is equipped with a plurality of driving wheel axles on every curb plate, and all is equipped with the carrier wheel between the tip in every driving wheel axle, and is equipped with two race on every carrier wheel, and the cover is equipped with the rubber circle between the race of adjacent carrier wheel, and two constitute the transport saddle that carries out the transport to the lead frame between the carrier wheel between the curb plate, just be equipped with the synchronous pivoted actuating mechanism of a plurality of driving wheel axles of drive on the curb plate.

As a preferred technical scheme of the utility model, be equipped with interval adjustment mechanism between two curb plates, interval adjustment mechanism is including setting up positive and negative lead screw and two limit rail of parallel arrangement on the bottom plate, the last limit slide who removes along limit rail that is equipped with of limit rail, just be equipped with the movable block that removes along positive and negative lead screw in opposite directions on the positive and negative lead screw, be fixed with the regulating plate between the limit slide on two limit rail, the curb plate is fixed on the regulating plate, just movable block and regulating plate one-to-one fixed connection, be equipped with the positive and negative lead screw pivoted servo motor of drive on the bottom plate.

As a preferred technical scheme of the utility model, the driving mechanism comprises a driving shaft arranged on the outer wall of the side plate, a magnetic driving wheel is arranged on the driving shaft, and a magnetic driven wheel matched with the magnetic driving wheel is arranged on the outer end part of the driving wheel shaft; and a driving motor for driving the driving wheel shaft is fixed on the side plate.

As an optimized technical scheme of the utility model, on a plurality of conveyers driving motor synchronous motion.

As an optimized technical scheme of the utility model, the bottom plate is equipped with the material platform that connects with the butt joint of the terminal portion of conveyer.

As an optimized technical scheme of the utility model, the surperficial protrusion race of rubber circle carries the lead frame outward.

The utility model has the advantages that:

this kind of semiconductor chip lead frame detects station gyro wheel conveying mechanism constitutes the transport saddle that carries out the lead frame through constituting between the carrier wheel between two curb plates and carries to install the rubber circle between the adjacent carrier wheel, utilize the rubber circle to carry out the shock attenuation, and the surperficial salient race of rubber circle carries to the lead frame outward to avoid the contact between lead frame and the carrier wheel, at the in-process of carrying, appear rubbing and cause the lead frame damage, the utility model has the characteristics of carry steadily, compare and carry more steady with traditional chain convey line, the lead frame phenomenon of beating is difficult for appearing, and the result accuracy of assurance detection is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a semiconductor chip lead frame inspection station roller conveying mechanism of the present invention;

FIG. 2 is a schematic structural view of a rubber ring of the inspection station roller conveying mechanism of the semiconductor chip lead frame according to the present invention;

fig. 3 is a schematic structural view of the spacing adjustment mechanism of the semiconductor chip lead frame detection station roller conveying mechanism of the present invention.

In the figure: 1. a base plate; 2. a conveyor; 3. a side plate; 4. a drive axle; 5. a load-bearing wheel; 6. a wheel groove; 7. a rubber ring; 8. a positive and negative screw rod; 9. limiting a guide rail; 10. a limiting slide block; 11. a moving block; 12. a servo motor; 13. a drive shaft; 14. a magnetic driving wheel; 15. a magnetic driven wheel; 16. a drive motor; 17. an adjusting plate; 18. a receiving platform.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, the utility model relates to a semiconductor chip lead frame detection station roller conveying mechanism, comprising a base plate 1, install a plurality of conveyor 2 that establish ties end to end and set up on the bottom plate 1, conveyor 2 is including setting up two curb plates 3, and all is equipped with a plurality of driving wheel axle 4 on every curb plate 3, and all is equipped with carrier wheel 5 between the interior tip of every driving wheel axle 4, and is equipped with two race 6 on every carrier wheel 5, and the cover is equipped with rubber circle 7 between the race 6 of adjacent carrier wheel 5, the surface salient race 6 of rubber circle 7 holds in the palm the year to the lead frame outward.

And a conveying saddle for conveying the lead frame is formed between the bearing wheels 5 between the two side plates 3, and a driving mechanism for driving the plurality of driving wheel shafts 4 to synchronously rotate is arranged on the side plates 3. Constitute the transport saddle that carries out the lead frame through between the carrier wheel 5 between two curb plates 3 and carry to install rubber circle 7 between the adjacent carrier wheel 5, utilize rubber circle 7 to carry out the shock attenuation, and the surperficial salient race 6 of rubber circle 7 are held in the palm the year to the lead frame outward to avoid contact between lead frame and the carrier wheel 5, at the in-process of carrying, appear strickling and wipe and cause the lead frame to damage, the utility model has the characteristics of carry steadily, compare with traditional chain convey line carry more steady, the lead frame phenomenon of beating is difficult for appearing, guarantees that the result accuracy of detection is high.

Be equipped with interval adjustment mechanism between two curb plates 3, interval adjustment mechanism is including setting up on bottom plate 1 and parallel arrangement's positive and negative lead screw 8 and two limit guide 9, be equipped with the limit slide 10 that removes along limit guide 9 on the limit guide 9, just be equipped with the movable block 11 that moves along positive and negative lead screw 8 in opposite directions on the positive and negative lead screw 8, be fixed with regulating plate 17 between the limit slide 10 on two limit guide 9, curb plate 3 is fixed on regulating plate 17, just movable block 11 and regulating plate 17 one-to-one fixed connection, be equipped with drive positive and negative lead screw 8 pivoted servo motor 12 on the bottom plate 1. Can adjust the interval between two curb plates to can adjust according to the lead frame that does not use specification and dimension, thereby have better suitability.

The driving mechanism comprises a driving shaft 13 arranged on the outer wall of the side plate 3, a magnetic driving wheel 14 is arranged on the driving shaft 13, and a magnetic driven wheel 15 matched with the magnetic driving wheel 14 is arranged at the outer end part of the driving wheel shaft 4; and a driving motor 16 for driving the driving wheel shaft 4 is fixed on the side plate 3. The driving structure of the magnetic wheel is adopted for driving, so that the purpose of isolating vibration is achieved, the lead frame jumping phenomenon is avoided, and the conveying is more stable.

The drive motors 16 on the plurality of conveyors 2 move in synchronism.

The bottom plate 1 is provided with a material receiving platform 18 which is in butt joint with the tail end part of the conveyor 2.

The working principle is as follows: carry out the transport saddle of carrying to the lead frame through constituting between the carrier wheel 5 between two curb plates 3 and carry to install rubber circle 7 between the adjacent carrier wheel 5, utilize rubber circle 7 to carry out the shock attenuation, and 6 outer lead frame carriers of carrying of surface salient race of rubber circle 7 to avoid the contact between lead frame and the carrier wheel 5, at the in-process of carrying, appear bumping and wipe and cause the lead frame damage, the utility model has the characteristics of carry steadily, compare and carry more steadily with traditional chain transfer chain, the lead frame phenomenon of beating is difficult for appearing, and the result accuracy of assurance detection is high.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a semiconductor chip lead frame detects station gyro wheel conveying mechanism which characterized in that: including bottom plate (1), conveyer (2) that a plurality of head and the tail of installation set up are established ties on bottom plate (1), conveyer (2) are including setting up two curb plates (3), and all are equipped with a plurality of driving wheel axles (4) on every curb plate (3), and all are equipped with between the tip in every driving wheel axle (4) and bear wheel (5), and are equipped with two race (6) on every bearing wheel (5), and the cover is equipped with rubber circle (7) between race (6) of adjacent bearing wheel (5), and two constitute between bearing wheel (5) between curb plate (3) and carry out the transport saddle of carrying on the lead frame, just be equipped with the synchronous pivoted actuating mechanism of a plurality of driving wheel axles (4) of drive on curb plate (3).

2. The roller conveying mechanism for the detection stations of the lead frames of the semiconductor chips as claimed in claim 1, wherein an interval adjusting mechanism is arranged between the two side plates (3), the interval adjusting mechanism comprises a positive and negative lead screw (8) and two limit guide rails (9) which are arranged on the bottom plate (1) and are arranged in parallel, a limit slider (10) moving along the limit guide rails (9) is arranged on the limit guide rails (9), moving blocks (11) moving along the positive and negative lead screw (8) in opposite directions are arranged on the positive and negative lead screw (8), an adjusting plate (17) is fixed between the limit sliders (10) on the two limit guide rails (9), the side plates (3) are fixed on the adjusting plate (17), the moving blocks (11) are fixedly connected with the adjusting plate (17) in a one-to-one correspondence manner, and a servo motor (12) for driving the positive and negative lead screws (8) to rotate is arranged on the bottom plate (1).

3. The roller conveying mechanism for the detection stations of the lead frames of the semiconductor chips as claimed in claim 1, wherein the driving mechanism comprises a driving shaft (13) arranged on the outer wall of the side plate (3), a magnetic driving wheel (14) is arranged on the driving shaft (13), and a magnetic driven wheel (15) matched with the magnetic driving wheel (14) is arranged on the outer end of the driving wheel shaft (4); and a driving motor (16) for driving the driving wheel shaft (4) is fixed on the side plate (3).

4. The roller conveying mechanism for the lead frame inspection stations of semiconductor chips as claimed in claim 3, wherein the driving motors (16) on the plurality of conveyors (2) are moved synchronously.

5. The roller conveying mechanism of the lead frame inspection station of the semiconductor chip as claimed in claim 1, wherein the base plate (1) is provided with a receiving platform (18) which is butted with the end part of the conveyor (2).

6. The roller conveying mechanism for the lead frame detection station of the semiconductor chip as claimed in claim 1, wherein the surface of the rubber ring (7) protrudes out of the roller groove (6) to support the lead frame.