CN216793656U

CN216793656U - Chip frame suction device

Info

Publication number: CN216793656U
Application number: CN202123440250.1U
Authority: CN
Inventors: 庞晓辉
Original assignee: Shanghai Yiyi Electronic Technology Co ltd
Current assignee: Shanghai Yiyi Electronic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-21
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a chip frame suction device, which comprises a supporting plate, a clamping unit, a guide unit and a driving unit, wherein the guide unit and the driving unit are fixed on the supporting plate, the driving unit drives the clamping unit to move along the guide unit, and the clamping unit is used for clamping a chip frame; the clamping unit comprises a second clamping part and a first clamping part, wherein the second clamping part is used for clamping two sides of the chip frame respectively; drive unit is including the drive first drive division and the drive that first clamping part removed the second drive division that the second clamping part removed, first drive division includes motor, coupling assembling and the first actuating cylinder that drives, the motor with coupling assembling fixed connection, coupling assembling with the first actuating cylinder fixed connection that drives, the first telescopic link fixedly connected with first actuating lever that drives actuating cylinder, first actuating lever with first clamping part fixed connection. The clamping device has the beneficial effects that the clamping device is stable in clamping and is not easy to fall off.

Description

Chip frame suction device

Technical Field

The utility model relates to the technical field of chip frame feeding, in particular to a chip frame suction device.

Background

In the field of integrated circuit packaging, a chip needs to be attached to a region designated by a lead frame, electrically conducted and then subjected to plastic packaging to form an integrated plastic packaging frame. As an integrated plastic package frame for semi-finished product circulation, the plastic package frame can leave a factory after being subjected to multiple detections in the factory. For the convenience of detection, generally, the integrated plastic package frame is required to be arranged in the assembly line detection device, so that the detection efficiency is improved, and the sorting can be conveniently carried out. In the process, the integrated plastic package frame needs to be grabbed and transferred. The conventional pneumatic sucker grabbing mode is adopted, the suction force between the pneumatic sucker and the chip frame is unstable, and once the pneumatic sucker fails, the chip frame falls off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and designs a chip frame suction device which comprises a supporting plate, a clamping unit, a guide unit and a driving unit, wherein the guide unit and the driving unit are fixed on the supporting plate, the driving unit drives the clamping unit to move along the guide unit, and the clamping unit is used for clamping a chip frame; the clamping unit comprises a second clamping part and a second clamping part, wherein the second clamping part and the second clamping part are used for clamping two sides of the chip frame respectively; drive unit is including the drive first drive division and the drive that first clamping part removed the second drive division that the second clamping part removed, first drive division includes motor, coupling assembling and the first actuating cylinder that drives, the motor with coupling assembling fixed connection, coupling assembling with the first actuating cylinder fixed connection that drives, the first telescopic link fixedly connected with first actuating lever that drives actuating cylinder, first actuating lever with first clamping part fixed connection.

Further, coupling assembling includes lead screw and nut, the lead screw with motor fixed connection, threaded connection has the nut on the lead screw, the first cylinder that drives actuating cylinder of nut fixed connection.

Further, the second driving portion comprises a second driving cylinder and a second driving rod, the second driving cylinder and the second driving rod are fixed to the supporting plate, the second driving cylinder is fixed to the telescopic end of the second driving cylinder, and the second driving rod is fixedly connected with the second clamping portion.

Further, the guide unit comprises a guide rail, a first sliding block and a second sliding block, the guide rail is fixed on the supporting plate, the first sliding block and the second sliding block are arranged on the guide rail in a sliding mode, a first clamping portion is fixed on the first sliding block, and a second clamping portion is fixed on the second sliding block.

Furthermore, the first clamping part and the second clamping part respectively comprise a fixing plate and a clamping block, the fixing plate is fixedly connected with the first sliding block and the second sliding block respectively, and the clamping block is fixed on the fixing plate.

Further, still include the absorption unit that is used for supplementary absorption chip frame, absorption unit includes sucking disc and sucking disc frame, be fixed with the sucking disc frame in the backup pad, the sucking disc frame has the adjustment tank, the adjustment tank is used for changing the mounted position of sucking disc, the sucking disc install in the adjustment tank.

The clamping unit comprises a clamping shaft, a supporting plate, a linear bearing, a pressing plate and a proximity sensor, wherein the clamping unit is used for clamping a chip frame, the chip frame is arranged on the clamping unit, the clamping unit comprises a guide shaft, a linear bearing, a pressing plate and a proximity sensor, the supporting plate is arranged on the guide shaft in a penetrating mode, the linear bearing is sleeved outside the guide shaft, the pressing plate is fixed to the end portion of the guide shaft, and the pressure sensor is fixed to the upper portion of the linear bearing.

Further, including fixed unit, fixed unit includes fixing base and support column, be fixed with the support column in the backup pad, the support column end fixing has the fixing base.

The chip frame suction device manufactured by the technical scheme of the utility model has the following beneficial effects: the driving motor starts to drive the lead screw to rotate, the nut moves along the lead screw and drives the first driving rod to move when driving the cylinder barrel to move, the first driving rod drives the first clamping part to move along the guide unit until the clamping block contacts one side of the chip frame, the second driving rod drives the cylinder to drive the second driving rod to move, the second driving rod drives the second clamping part to move along the guide unit until the clamping block contacts the other side of the chip frame, the first clamping part and the second clamping part are mutually matched, the tight clamping of the chip frame is realized, and the sucker plays an auxiliary suction to avoid the chip frame to fall off.

Drawings

FIG. 1 is a schematic view showing a state of use of a chip frame suction device according to the present invention;

FIG. 2 is a schematic view of the overall structure of the chip frame suction device according to the present invention;

FIG. 3 is a schematic view of a first view angle of the chip frame suction device according to the present invention;

FIG. 4 is a schematic view of a second view structure of the chip frame suction device according to the present invention;

FIG. 5 is a schematic view of a third view angle of the chip frame suction device according to the present invention;

in the figure, 1, a support plate; 2. a clamping unit; 21. a first clamping portion; 22. a second clamping portion; 23. a fixing plate; 24. a clamping block; 3. a guide unit; 31. a guide rail; 32. a first slider; 33. a second slider; 4. a drive unit; 41. a first driving section; 411. a motor; 412. a connecting assembly; 413. a first driving cylinder; 414. a first drive lever; 415. a lead screw; 416. a nut; 42. a second driving section; 421. a second driving cylinder; 422. a second drive lever; 5. an adsorption unit; 51. a suction cup; 52. a suction cup holder; 53. an adjustment groove; 6. a detection unit; 61. a guide shaft; 62. a linear bearing; 63. pressing a plate; 64. a proximity sensor; 7. a fixing unit; 71. a fixed seat; 72. a support pillar; 8. a frame box.

Detailed Description

For a better understanding of the present invention, the present invention is further described below in conjunction with specific embodiments and the accompanying drawings, which illustrate, by way of example, a chip frame suction device, as shown in FIGS. 1-5.

The chip frame clamping device comprises a supporting plate 1, a clamping unit 2, a guide unit 3 and a driving unit 4, wherein the guide unit 3 and the driving unit 4 are fixed on the supporting plate 1, the driving unit 4 drives the clamping unit 2 to move along the guide unit 3, and the clamping unit 2 is used for clamping a chip frame; the clamping unit 2 comprises a second clamping part 22 and a second clamping part 22 which respectively clamp two sides of the chip frame; the driving unit 4 includes a first driving part 41 for driving the first clamping part 21 to move and a second driving part 42 for driving the second clamping part 22 to move. The chip frame is stacked in the frame box 8, the first driving part 41 drives the first clamping part 21 to move, the second driving part 42 drives the second clamping part 22 to move, and the first clamping part 21 and the second clamping part 22 clamp the chip frame.

First drive division 41 includes motor 411, coupling assembling 412 and the first actuating cylinder 413 that drives, motor 411 with coupling assembling 412 fixed connection, coupling assembling 412 with the first actuating cylinder 413 fixed connection that drives, the first telescopic link fixedly connected with first actuating lever 414 that drives actuating cylinder 413, first actuating lever 414 with first clamping part 21 fixed connection. The connecting assembly 412 comprises a screw 415 and a nut 416, the screw 415 is fixedly connected with the motor 411, the screw 415 is in threaded connection with the nut 416, and the nut 416 is fixedly connected with a cylinder of a first driving cylinder 413. Specifically, after the motor 411 is started, the screw 415 is driven to rotate, and since the screw 415 is in threaded connection with the nut 416, the nut 416 moves along the screw 415, the nut 416 drives the cylinder of the first driving cylinder 413 to move, a sliding structure is arranged between the first driving cylinder 413 and the support plate 1, the sliding structure ensures that the first driving cylinder 413 can drive the first driving rod 414 to change in position, the first driving rod 414 drives the first clamping portion 21 to move along the guide unit 3, and then the first clamping portion 21 is close to and contacts with the chip frame.

The second driving portion 42 includes a second driving cylinder 421 and a second driving rod 422 fixed on the supporting plate 1, the second driving cylinder 421 has a telescopic end fixed with the second driving rod 422, and the second driving rod 422 is fixedly connected to the second clamping portion 22. The telescopic rod of the second driving cylinder 421 extends to drive the second driving rod 422 to move, and the second driving rod 422 drives the second clamping portion 22 to move along the guiding unit 3 and approach the chip frame until the second clamping portion 22 contacts the chip frame.

The guide unit 3 includes guide rail 31, first slider 32 and second slider 33, be fixed with guide rail 31 on the backup pad 1, the last slip of guide rail 31 is provided with first slider 32 and second slider 33, first slider 32 is fixed with first clamping part 21, second slider 33 is fixed with second clamping part 22. The guide unit 3 serves to guide the first clamping portion 21 and the second clamping portion 22, and in this embodiment, the guide unit 3 is provided with two sets, and the first clamping portion 21 and the second clamping portion 22 are fixed between the two sets of guide rails 31, and move in cooperation with the first clamping portion 21 and the second clamping portion 22.

The first clamping portion 21 and the second clamping portion 22 both comprise a fixing plate 23 and a clamping block 24, the fixing plate 23 is fixedly connected with the first sliding block 32 and the second sliding block 33, and the clamping block 24 is fixed on the fixing plate 23. The first clamping part 21 clamps one side of the chip frame, the second clamping part 22 clamps the other side of the chip frame, and the first clamping part 21 and the second clamping part 22 are matched with each other to suck the chip frame to other stations from the frame box 8.

The chip frame adsorption device further comprises an adsorption unit 5 for assisting in adsorbing a chip frame, wherein the adsorption unit 5 comprises a suction cup 51 and a suction cup frame 52, the suction cup frame 52 is fixed on the support plate 1, the suction cup frame 52 is provided with an adjusting groove 53, the adjusting groove 53 is used for changing the installation position of the suction cup 51, and the suction cup 51 is installed in the adjusting groove 53. After the chip frame is clamped by the first clamping part 21 and the second clamping part 22, the sucking disc 51 performs an auxiliary sucking function on the chip frame, so as to prevent the chip frame from falling. The position of the sucking disc 51 can be changed by changing the position of the sucking disc 51 installed in the adjusting groove 53, preferably, the sucking disc 51 is arranged at the four corners of the supporting plate 1, the whole outer contour of the chip frame can be sucked in a large area, and the sucking quality is improved.

The chip frame on-position detection unit 6 is used for detecting the position of the chip frame at the clamping unit 2, the detection unit 6 comprises a guide shaft 61, a linear bearing 62, a pressing plate 63 and a proximity sensor 64, the guide shaft 61 penetrates through the supporting plate 1, the linear bearing 62 is sleeved outside the guide shaft 61, the pressing plate 63 is fixed at the end part of the guide shaft 61, and the proximity sensor 64 is arranged at the upper part of the linear bearing 62. Including fixed unit 7, fixed unit 7 includes fixing base 71 and support column 72, be fixed with support column 72 on the backup pad 1, support column 72 end fixing has fixing base 71. After the chip frame is clamped by the clamping unit 2, the pressing plate 63 contacts the chip frame, a through hole penetrates through the linear bearing 62 and the supporting plate 1, the proximity sensor 64 detects whether the chip frame is in an in-state or not through the through hole, and the detection unit 6 reduces the probability of missing clamping in the clamping process.

The working principle is as follows: the fixed seat 71 is fixed with a lifting component, the lifting component can change the height of the fixed seat 71 and the whole suction device, and adjust the suction device to the upper part of the frame box 8, the driving motor 411 starts to drive the screw 415 to rotate, the nut 416 moves along the screw 415 and drives the cylinder of the first driving cylinder 413 to move and simultaneously drives the first driving rod 414 to move, the first driving rod 414 drives the first clamping part 21 to move along the guiding unit 3 until the clamping block 24 contacts one side of the chip frame, the second driving cylinder 421 drives the second driving rod 422 to move, the second driving rod 422 drives the second clamping part 22 to move along the guiding unit 3 until the clamping block 24 contacts the other side of the chip frame, the sucker 51 performs auxiliary suction on the chip frame to avoid the chip frame from falling off, the detecting unit 6 detects whether the chip frame is in place, when one chip frame is taken away by the suction device, the height of the next chip frame is lifted to the upper part of the frame box 8, ready for the next aspiration procedure.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The chip frame suction device is characterized by comprising a supporting plate (1), a clamping unit (2), a guide unit (3) and a driving unit (4), wherein the guide unit (3) and the driving unit (4) are fixed on the supporting plate (1), the driving unit (4) drives the clamping unit (2) to move along the guide unit (3), and the clamping unit (2) is used for clamping a chip frame;

the clamping unit (2) comprises a first clamping part (21) and a second clamping part (22) which respectively clamp two sides of the chip frame;

drive unit (4) is including the drive first drive division (41) and the drive that first clamping part (21) removed second drive division (42) that second clamping part (22) removed, first drive division (41) include motor (411), coupling assembling (412) and first drive actuating cylinder (413), motor (411) with coupling assembling (412) fixed connection, coupling assembling (412) with first drive actuating cylinder (413) fixed connection, the first telescopic link fixedly connected with first actuating lever (414) that drives actuating cylinder (413), first actuating lever (414) with first clamping part (21) fixed connection.

2. The chip frame suction device according to claim 1, wherein the connection assembly (412) comprises a lead screw (415) and a nut (416), the lead screw (415) is fixedly connected with the motor (411), the nut (416) is connected to the lead screw (415) in a threaded manner, and the nut (416) is fixedly connected with a cylinder barrel of the first driving cylinder (413).

3. The chip frame suction device according to claim 2, wherein the second driving part (42) comprises a second driving cylinder (421) fixed on the supporting plate (1) and a second driving rod (422), the telescopic end of the second driving cylinder (421) is fixed with the second driving rod (422), and the second driving rod (422) is fixedly connected with the second clamping part (22).

4. The chip frame suction device according to claim 3, wherein the guide unit (3) comprises a guide rail (31), a first slider (32) and a second slider (33), the guide rail (31) is fixed on the support plate (1), the first slider (32) and the second slider (33) are slidably arranged on the guide rail (31), the first slider (32) is fixed with the first clamping portion (21), and the second slider (33) is fixed with the second clamping portion (22).

5. The chip frame suction device according to claim 4, wherein the first clamping portion (21) and the second clamping portion (22) each comprise a fixing plate (23) and a clamping block (24), the fixing plate (23) is fixedly connected with the first sliding block (32) and the second sliding block (33), and the clamping block (24) is fixed on the fixing plate (23).

6. The chip frame suction device according to claim 1, further comprising a suction unit (5) for assisting suction of the chip frame, wherein the suction unit (5) comprises a suction cup (51) and a suction cup holder (52), the suction cup holder (52) is fixed on the support plate (1), the suction cup holder (52) has an adjustment groove (53), the adjustment groove (53) is used for changing a mounting position of the suction cup (51), and the suction cup (51) is mounted in the adjustment groove (53).

7. The chip frame suction device according to claim 1, further comprising a detection unit (6) for detecting the position of the chip frame at the clamping unit (2), wherein the detection unit (6) comprises a guide shaft (61), a linear bearing (62), a pressure plate (63) and a proximity sensor (64), the guide shaft (61) penetrates through the support plate (1), the linear bearing (62) is sleeved outside the guide shaft (61), the pressure plate (63) is fixed at the end of the guide shaft (61), and the proximity sensor (64) is fixed at the upper part of the linear bearing (62).

8. The chip frame suction device according to claim 1, comprising a fixing unit (7), wherein the fixing unit (7) comprises a fixing seat (71) and a supporting column (72), the supporting column (72) is fixed on the supporting plate (1), and the fixing seat (71) is fixed at the end of the supporting column (72).