JIG feeding assembly

Abstract

The utility model discloses a JIG material supply assembly, relates to JIG material supply assembly technical field, the JIG material supply assembly includes loading platform, also including elevating seat, translation mechanism, elevating mechanism, hold-down mechanism and optical fiber detection mechanism, translation mechanism includes mounting rack, mounting rack bottom is equipped with translation cylinder; a product material box is placed on the top of the feeding table. The lifting mechanism comprises a mounting seat, a connecting sliding seat is arranged at the front end of the mounting seat, and the pressing mechanism is arranged at the upper end of the lifting seat and used for fixing a product material box. According to the utility model, the translation air cylinder can drive the feeding platform to translate to adjust the position of the product material box, so that the feeding position of the lead frame in the product material box is adjusted; the lead frames of different sizes and the product material boxes where the lead frames are located can be rapidly adjusted to the corresponding positions for accurate feeding, the application range is widened, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of feeding assembly, specifically is JIG feeding assembly. BACKGROUND

[0002] Lead frame is the core component of semiconductor packaging, used for supporting chip and providing electrical connection between chip and external circuit. In the production process, lead frame needs to go through stamping, forming, welding and other processes, and in the feeding process, lead frame needs to be positioned and adjusted to ensure accurate alignment with the processing equipment of production line.

[0003] The existing lead frame feeding mechanism is generally fixed structure, and can only be used for positioning and feeding of single size lead frame, while lead frame has different sizes according to different models, and different feeding mechanisms need to be assembled or used for different size lead frames in the production line, and the equipment cost is high. UTILITY MODEL CONTENTS

[0004] The utility model provides JIG feeding assembly, has the advantages of convenient adjustment feeding position to adapt to different size lead frame feeding, to solve the existing feeding assembly feeding mechanism adaptation product single, when feeding different size product, the problem of high equipment cost.

[0005] The utility model provides the following technical scheme: a kind of JIG feeding assembly, including feeding table, further including lifting seat, translation mechanism, lifting mechanism, compression mechanism and optical fiber detection mechanism, wherein:

[0006] The translation mechanism includes mounting frame installed at the front end of lifting seat, the feeding table is slidably connected at the upper end of mounting frame, and the mounting frame is provided with translation cylinder for driving the feeding table;

[0007] The feeding table top is placed with product magazine for placing lead frame, and the lead frame is arranged in up-down and stacked in the product magazine;

[0008] The lifting mechanism includes mounting seat, and the mounting seat is movably connected with liftable connecting slide at the front end, and the connecting slide is fixedly connected with lifting seat;

[0009] The compression mechanism is arranged at the upper end of lifting seat, for fixing product magazine;

[0010] The optical fiber detection mechanism is used for detecting the position of lead frame.

[0011] As the preferred technical scheme of the utility model, the translation air cylinder is installed at the front end of the mounting frame and the bottom of the mounting frame, the mounting frame is symmetrically provided with translation rails at the upper end, the feeding table is provided with a translation sliding seat which is slidably connected to the translation rails at the bottom, and the translation air cylinder output rod is fixedly connected to the translation sliding seat.

[0012] As the preferred technical scheme of the utility model, the mounting seat is symmetrically provided with lifting rails at the front end, and the lifting seat is symmetrically provided with a plurality of lifting sliding seats which are slidably connected to the lifting rails at the rear end.

[0013] As the preferred technical scheme of the utility model, the product box comprises a first box, the feeding table is provided with a first proximity switch which is diagonally arranged at the top, the first proximity switch corresponds to and cooperates with the first box, the pressing mechanism comprises a first pressing air cylinder which is installed at the top of the lifting seat, the first pressing air cylinder output rod extends to the lower end of the lifting seat and is provided with a first pressing plate, and the first pressing plate corresponds to and cooperates with the first box.

[0014] As the preferred technical scheme of the utility model, the product box further comprises a second box, the feeding table is further provided with a second proximity switch which is diagonally arranged at the top, the second proximity switch corresponds to and cooperates with the second box, and the pressing mechanism further comprises a second pressing air cylinder which is installed at the top of the lifting seat, the second pressing air cylinder output rod extends to the lower end of the lifting seat and is provided with a second pressing plate, and the second pressing plate corresponds to and cooperates with the second box.

[0015] As the preferred technical scheme of the utility model, the first box and the second box are symmetrically provided with a plurality of vertically arranged insertion grooves in the inner walls, the lead frame is movably connected to the insertion grooves and is inserted into the first box and the second box through the insertion grooves.

[0016] As the preferred technical scheme of the utility model, the optical fiber detection mechanism comprises symmetrically arranged first pair of optical fibers and second pair of optical fibers, the first pair of optical fibers are arranged in pairs on both sides of the front end of the mounting frame, and the second pair of optical fibers are arranged in pairs on both sides of the rear end of the mounting frame.

[0017] Compared with the prior art, the utility model provides JIG feeding assembly, has the following beneficial effects:

[0018] 1. The utility model discloses a translation air cylinder can drive the feeding table translation and adjust the position of the product box, and then the feeding position of the lead frame in the product box is adjusted, so that the lead frame of different sizes and the product box thereof can be quickly adjusted to the corresponding position for accurate feeding.

[0019] 2. The utility model discloses a two groups of proximity switch and two groups of pneumatic cylinder in the pressing mechanism in different positions can be positioned and fixed after positioning when placing the product material box of different sizes, cooperate two groups of detection of lead frame position of the opposite light fiber, can place and fix the product material box quickly, improve the feeding efficiency.

[0020] 3. The utility model discloses a lead frame of stacking type placed in the product material box cooperates the liftable lifting seat, can after feeding one lead frame, through the position adjustment of lifting, can continuously feed other stacked lead frames, improve the efficiency of feeding. DRAWINGS

[0021] Figure 1 It is the first product material box installation schematic drawing in the utility model embodiment one;

[0022] Figure 2 It is the second product material box installation schematic drawing in the utility model embodiment two;

[0023] Figure 3 It is the first product material box and second product material box structure schematic drawing;

[0024] Figure 4 It is the optical fiber detection mechanism position schematic drawing of the utility model;

[0025] Figure 5 It is the feeding table installation position schematic drawing of the utility model;

[0026] Figure 6 It is the feeding table upper end structure schematic drawing of the utility model;

[0027] Figure 7 It is the pressing mechanism and translation mechanism structure schematic drawing of the utility model;

[0028] Figure 8 It is the lifting mechanism structure schematic drawing of the utility model.

[0029] In the drawing: 1, product material box;11, first material box;12, second material box;13, slot;14, lead frame;2, lifting seat;21, feeding table;211, first proximity switch;212, second proximity switch;22, lifting slide;23, translation slide;3, translation mechanism;31, mounting frame;311, translation guide rail;32, translation pneumatic cylinder;4, lifting mechanism;41, mounting seat;42, connecting slide;43, lifting guide rail;5, pressing mechanism;51, first pressing pneumatic cylinder;511, first pressing plate;52, second pressing pneumatic cylinder;521, second pressing plate;6, optical fiber detection mechanism;61, first opposite light fiber;62, second opposite light fiber. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0031] Please refer to the attached Figures 1-8 , JIG feeding assembly, including loading platform 21, still including lifting seat 2, translation mechanism 3, lifting mechanism 4, compression mechanism 5 and optical fiber detection mechanism 6, wherein:

[0032] Translation mechanism 3 includes the mounting bracket 31 installed at the front end of lifting seat 2, and the loading platform 21 is slidably connected to the upper end of the mounting bracket 31, and the mounting bracket 31 is provided with a translation cylinder 32 for driving the loading platform 21;

[0033] The product magazine 1 for placing the lead frame 14 is placed on the top of the loading platform 21, and the lead frame 14 is arranged in an up-down manner and stacked in the product magazine 1;

[0034] Lifting mechanism 4 includes mounting seat 41, and the front end of mounting seat 41 is movably connected with the lifting connecting slide 42, and the connecting slide 42 is fixedly connected with the lifting seat 2;

[0035] Compression mechanism 5 is arranged on the upper end of lifting seat 2 and is used for fixing product magazine 1;

[0036] Optical fiber detection mechanism 6 is used for detecting the position of lead frame 14.

[0037] Please refer to the attached Figure 5 , Figure 7 , the translation cylinder 32 is towards the front end of the mounting bracket 31 and is installed at the bottom of the mounting bracket 31, and the upper end of the mounting bracket 31 is symmetrically provided with translation guide rails 311, and the bottom of the loading platform 21 is provided with a translation slide 23 slidably connected to the translation guide rails 311, and the output rod of the translation cylinder 32 is fixedly connected with the translation slide 23.

[0038] Specifically, the translation cylinder 32 drives the translation slide to slide backward, the translation slide 23 drives the loading platform 21 to slide backward to adjust the loading position of the product magazine 1, and the type of the translation cylinder 32 is CDQSL20-200DCM.

[0039] Please refer to the attached Figure 7 , Figure 8The front end of the mounting seat 41 is symmetrically provided with lifting guide rails 43, the rear end of the lifting seat 2 is symmetrically provided with a plurality of lifting sliding seats 22 in sliding connection with the lifting guide rails 43, and the bottom of the mounting seat 41 is provided with a motor, and the output end of the motor is provided with a screw rod in threaded connection with the connecting sliding seat 42.

[0040] Specifically, the connecting sliding seat 42 is driven to lift by the motor, and the lifting of the connecting sliding seat 42 further drives the lifting seat 2 and the feeding table 21 on the lifting seat 2 to lift and adjust the feeding height, so that the lead frame 14 in the product box 1 is aligned layer by layer and fed layer by layer to the feeding position.

[0041] Please refer to the accompanying drawings Figure 1 、 Figure 3 、 Figure 5 、 Figure 7 The product box 1 includes a first box 11, and the feeding table 21 is provided on the top with diagonally arranged first proximity switches 211 corresponding to and cooperating with the first box 11, and the pressing mechanism 5 includes a first pressing cylinder 51 mounted on the top of the lifting seat 2, and the output rod of the first pressing cylinder 51 extends to the lower end of the lifting seat 2 and is provided with a first pressing plate 511 corresponding to and cooperating with the first box 11.

[0042] Specifically, the proximity switch is model GX-F8A, and the pressing cylinder is model CDQSB20-75DC.

[0043] In this embodiment, the first box 11 is used to store the lead frame 14 when the lead frame 14 of large size is fed, the first box 11 is positioned and placed by the first proximity switch 211 independently arranged on the upper end of the feeding table 21, and the first box 11 is fixed by the first pressing cylinder 51 and the first pressing plate 511,

[0044] Further, a plurality of vertically arranged insertion grooves 13 are symmetrically formed in the inner walls of the first box 11 and the second box 12, the lead frame 14 is movably connected with the insertion grooves 13 and inserted into the first box 11 and the second box 12 through the insertion grooves 13.

[0045] Please refer to the accompanying drawings Figure 1 、 Figure 4 The optical fiber detection mechanism 6 includes symmetrically arranged first pair of optical fibers 61 and second pair of optical fibers 62, and the first pair of optical fibers 61 are arranged in pairs on both sides of the front end of the mounting bracket 31, and the second pair of optical fibers 62 are arranged in pairs on both sides of the rear end of the mounting bracket 31.

[0046] In the embodiment, the first pair of light fibers 61 detect the two sides of the product magazine 1, and when the lead frame 14 in the product magazine 1 is offset to protrude to one side of the product magazine 1, the first pair of light fibers 61 detect and transmit information to the rear control end to alarm and notify manual intervention, and after the position of the feeding table 21 is adjusted in translation, the second pair of light fibers 62 again detect the two sides of the product magazine 1, and if the lead frame 14 is offset to protrude in the process of translation, the equipment alarms and manual intervention is adjusted. Embodiment two

[0047] Based on the above embodiment one, please refer to the attached Figure 2 、 Figure 3 、 Figure 5 、 Figure 7 The product magazine 1 further comprises a second magazine 12 smaller than the first magazine 11, used for placing the small-size lead frame 14, and the second proximity switch 212 is arranged diagonally on the top of the feeding table 21 and corresponds to and cooperates with the second magazine 12.

[0048] Further, the pressing mechanism 5 further comprises a second pressing cylinder 52 arranged on the top of the lifting seat 2, the output rod of the second pressing cylinder 52 extends to the lower end of the lifting seat 2 and is provided with a second pressing plate 521, and the second pressing plate 521 corresponds to and cooperates with the second magazine 12.

[0049] In the embodiment, the second magazine 12 is used to store the lead frame 14 when the small-size lead frame 14 is fed, the second proximity switch 212 arranged independently on the upper end of the feeding table 21 is used to position and place the second magazine 12, and the second pressing cylinder 52 and the second pressing plate 521 are used to fix the second magazine 12, which does not interfere with the first proximity switch 211 and the first pressing cylinder 51 used for positioning and fixing the first magazine 11.

[0050] Working principle and use process of the utility model:

[0051] First, the lead frame 14 is stacked in the product magazine 1 through the slot 13, and then the product magazine 1 is placed on the feeding table 21, the first proximity switch 211 or the second proximity switch 212 is selected according to the size of the product magazine 1 to position and place the product magazine 1, when the first magazine 11 of large size is used, the first proximity switch 211 is used for positioning and placing, and when the second magazine 12 of small size is used, the second proximity switch 212 is used for positioning and placing.

[0052] Second, after the placement is completed, the first pair of shot fibers 61 detects the two sides of the product box 1, and when the lead frame 14 in the product box 1 is offset and protrudes to one side of the product box 1, the first pair of shot fibers 61 detects and transmits information to the control end to alarm. At this time, manual intervention is required to adjust the offset lead frame 14. After the detection is qualified or the adjustment is completed, the translation cylinder 32 drives the translation sliding seat 23 to slide backward, and the translation sliding seat 23 drives the loading table 21 to slide backward to adjust the loading position of the product box 1. At this time, the second pair of shot fibers 62 detects the two sides of the product box 1 again. If the lead frame 14 is offset and protrudes during the translation process, the equipment will alarm, and manual intervention is required for adjustment.

[0053] Third, the connecting sliding seat 42 driven by the motor is installed on the mounting seat 41 to drive the lifting seat 2 to lift, and the lifting seat 2 drives the loading table 21 to lift to adjust the loading height, so that the lead frame 14 in the product box 1 is aligned layer by layer to load layer by layer.

Claims

1. JIG feeding assembly comprising a loading table (21), characterized in that, It also includes lifting seat (2), translation mechanism (3), lifting mechanism (4), compression mechanism (5) and optical fiber detection mechanism (6), wherein: The translation mechanism (3) includes a mounting bracket (31) mounted on the front end of the lifting seat (2), and the feeding table (21) is slidably connected to the upper end of the mounting bracket (31), and the mounting bracket (31) is provided with a translation cylinder (32) for driving the feeding table (21); The top of the feeding table (21) is provided with a product magazine (1) for placing a lead frame (14), and the lead frame (14) is arranged in an upper and lower arrangement and stacked in the product magazine (1); The lifting mechanism (4) includes a mounting seat (41), and the front end of the mounting seat (41) is movably connected with a liftable connecting slide (42), and the connecting slide (42) is fixedly connected with the lifting seat (2); The compression mechanism (5) is arranged on the upper end of the lifting seat (2) and is used for fixing the product magazine (1); The optical fiber detection mechanism (6) is used for detecting the position of the lead frame (14).

2. The JIG feed assembly of claim 1, wherein: The translation cylinder (32) is towards the front end of the mounting bracket (31) and is mounted on the bottom of the mounting bracket (31), the upper end of the mounting bracket (31) is symmetrically provided with a translation guide rail (311), and the bottom of the feeding table (21) is provided with a translation slide (23) which is slidably connected to the translation guide rail (311), and the output rod of the translation cylinder (32) is fixedly connected with the translation slide (23).

3. The JIG feed assembly of claim 2, wherein: The front end of the mounting seat (41) is symmetrically provided with a lifting guide rail (43), and the rear end of the lifting seat (2) is symmetrically provided with a plurality of lifting slides (22) which are slidably connected with the lifting guide rail (43).

4. The JIG feed assembly of claim 3, wherein: The product magazine (1) includes a first magazine (11), and the top of the feeding table (21) is provided with a first proximity switch (211) arranged diagonally, the first proximity switch (211) corresponds and cooperates with the first magazine (11), and the compression mechanism (5) includes a first compression cylinder (51) mounted on the top of the lifting seat (2), the output rod of the first compression cylinder (51) extends to the lower end of the lifting seat (2) and is provided with a first pressing plate (511), and the first pressing plate (511) corresponds and cooperates with the first magazine (11).

5. The JIG feed assembly of claim 4, wherein: The product magazine (1) also includes a second magazine (12), and the top of the feeding table (21) is also provided with a second proximity switch (212) arranged diagonally, the second proximity switch (212) corresponds and cooperates with the second magazine (12), and the compression mechanism (5) further includes a second compression cylinder (52) mounted on the top of the lifting seat (2), the output rod of the second compression cylinder (52) extends to the lower end of the lifting seat (2) and is provided with a second pressing plate (521), and the second pressing plate (521) corresponds and cooperates with the second magazine (12).

6. The JIG feed assembly of claim 5, wherein: The inner walls of the first magazine (11) and the second magazine (12) are symmetrically provided with a plurality of vertically arranged insertion grooves (13), and the lead frame (14) is movably connected with the insertion grooves (13) and inserted into the first magazine (11) and the second magazine (12) through the insertion grooves (13).

7. The JIG feed assembly of claim 1, wherein: The optical fiber detection mechanism (6) comprises a first pair of emitting optical fibers (61) and a second pair of emitting optical fibers (62) arranged symmetrically, two of the first pair of emitting optical fibers (61) are arranged on both sides of the front end of the mounting rack (31), and two of the second pair of emitting optical fibers (62) are arranged on both sides of the rear end of the mounting rack (31).

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