Chip cover opening machine

Abstract

The utility model discloses a chip uncovering machine, which comprises a box body, a movable sliding table, a positioning jig, a pair of uncovering assemblies, an uncovering driving mechanism, a heating assembly and a heating driving mechanism, wherein a smoke outlet is formed in the top of the box body; the movable sliding table is arranged in the box body; the positioning jig is arranged on the movable sliding table, can move along with the movable sliding table and is used for placing a chip; the pair of cover opening assemblies are arranged on the two sides of the positioning jig and are used for stripping a chip cover of the chip; the cover opening driving mechanism is arranged on the movable sliding table and used for driving the pair of cover opening assemblies to act; the heating assembly is arranged above the movable sliding table; the heating driving mechanism is connected with the box, and the output end of the heating driving mechanism is connected with the heating assembly and can drive the heating assembly to move. The chip uncovering device is suitable for uncovering chips with metal upper covers in various sizes and shapes; the automation degree is greatly improved, the chip uncovering efficiency is further improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip uncovering technology field, especially a kind of chip uncovering machine. BACKGROUND

[0002] Chip is precision electronic device, in order to ensure its operating state stability, its circuit surface will have package shell. Many times such as detecting or testing the performance of chip and analyzing chip failure analysis need to unpack chip, simply referred to as uncovering, the existing uncovering mode mainly has two kinds, the first kind is completely dissolved chip package, exposes metal connection line, the second kind is only removed the package on silicon core (i.e. upper cover, upper cover mainly has plastic upper cover and metal upper cover).

[0003] Among them, the second method is simpler and faster, but the second method usually uses small knife to remove the cover manually, and the efficiency is low, and it is not safe, and small knife can easily scratch fingers, so a uncovering device appears in prior art, can fix chip, then uncovering plate of fixed position is used to pry open cover, improve efficiency and safety, but this uncovering device still needs manual operation, and working efficiency still needs to be improved, and the device can only be used for one kind of chip, and the adaptability is poor, and when uncovering different specifications of chip, the device also needs to be replaced, and it is more troublesome to use. For this, the utility model designs a kind of uncovering machine for chip with metal upper cover. SUMMARY

[0004] According to the utility model embodiment, provide a kind of chip uncovering machine, include:

[0005] Box, box top is provided with smoke outlet;

[0006] Movable sliding table, movable sliding table is located in box;

[0007] Positioning fixture, positioning fixture is set on movable sliding table, can move with movable sliding table, for placing chip;

[0008] A pair of uncovering components, a pair of uncovering components are set on both sides of positioning fixture, for stripping chip cover of chip;

[0009] Uncovering drive mechanism, uncovering drive mechanism is set on movable sliding table, for driving a pair of uncovering components action;

[0010] Heating assembly, heating assembly is set above movable sliding table;

[0011] Heating drive mechanism, heating drive mechanism is connected with box, and its output end is connected with heating assembly, can drive heating assembly movement.

[0012] Further, uncovering drive mechanism includes:

[0013] The first driving cylinder is connected with a pair of connecting seats, and a pair of cover opening assemblies are movably arranged on the connecting seats;

[0014] The fixed seat is fixedly connected with the first driving cylinder, and the fixed seat is provided with a first channel and a second channel;

[0015] The pair of connecting seats are arranged at two ends of the first channel and are slidably connected with the fixed seat;

[0016] The connecting seat is provided with a first sliding groove;

[0017] The second driving cylinder is arranged on the movable sliding table, and the output end of the second driving cylinder is provided with a pair of force adding members forming a V shape; the pair of force adding members are slidably connected with the fixed seat through the second channel and are slidably connected with the first sliding grooves of the pair of connecting seats.

[0018] Further, the first sliding groove is provided with a pulley, and the force adding member is slidably connected with the pulley.

[0019] Further, a plurality of second sliding grooves are arranged on both sides of the connecting seat, a plurality of first pins are arranged on both sides of the cover opening assembly, the plurality of first pins correspond to the plurality of second sliding grooves one by one and are slidably connected.

[0020] Further, a limiting assembly is arranged on the connecting seat, the limiting assembly is adjustable in position on the connecting seat and is used for limiting the position of the cover opening assembly.

[0021] Further, a third sliding groove is arranged on the connecting seat, and the limiting assembly is detachably arranged in the third sliding groove.

[0022] Further, the cover opening assembly comprises a tool holder and a tool; the tool holder is slidably connected with the connecting seat; and the tool is detachably arranged on the tool holder.

[0023] Further, the tool is one of a right angle shape and a semicircle shape.

[0024] Further, the heating assembly comprises a heating block and a plurality of heating pipes;

[0025] The heating block is connected with the output end of the heating driving mechanism, and a plurality of positioning grooves are arranged on the heating block;

[0026] The plurality of heating pipes are arranged in the positioning grooves and are used for heating the heating block.

[0027] Further, the heating driving mechanism comprises a transverse driving mechanism and a longitudinal driving mechanism;

[0028] The transverse driving mechanism is arranged on the box body, the output end of the transverse driving mechanism is connected with the longitudinal driving mechanism, and the transverse driving mechanism can drive the longitudinal driving mechanism to move transversely;

[0029] The output end of the longitudinal driving mechanism is connected with the heating assembly and can drive the heating assembly to move up and down.

[0030] The chip cover opening machine can be used for opening covers of chips of various sizes and shapes with metal upper covers, greatly improves the automation degree, and thus improves the chip cover opening efficiency and reduces the production cost.

[0031] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic view of the chip cover opening machine according to an embodiment of the present application;

[0033] Figure 2 is an enlarged view of A of Figure 1

[0034] Figure 3 is an exploded view schematic view of the positioning jig, the cover opening assembly and the cover opening driving mechanism according to an embodiment of the present application;

[0035] Figure 4 is a perspective view schematic view of the cooperation of the positioning jig, the cover opening assembly and the cover opening driving mechanism according to an embodiment of the present application;

[0036] Figure 5 is a front view of the cooperation of the positioning jig, the cover opening assembly and the cover opening driving mechanism according to an embodiment of the present application;

[0037] Figure 6 is a sectional view along A-A of Figure 5

[0038] Figure 7 is a top view of the cooperation of the positioning jig, the cover opening assembly and the cover opening driving mechanism according to an embodiment of the present application;

[0039] Figure 8 is a sectional view along B-B of Figure 7

[0040] Figure 9 is a schematic view of the cover opening state of the cutter according to an embodiment of the present application. DETAILED DESCRIPTION

[0041] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, and the present application will be further described.

[0042] Firstly, the chip cover opening machine according to an embodiment of the present application will be described below, which is used for a chip cover opening process and has a wide application scenario. Figures 1-9 Firstly, the chip cover opening machine according to an embodiment of the present application will be described below, which is used for a chip cover opening process and has a wide application scenario.​​​

[0043] As Figures 1-9 shown, the chip cover opening machine comprises:

[0044] The box body 1 is provided with a smoke exhaust port 11 at the top, and the smoke exhaust port 11 is connected with an external smoke exhaust pipeline;

[0045] The movable sliding table 2 is arranged in the box body 1;

[0046] The positioning jig 3 is arranged on the movable sliding table 2 and can move with the movable sliding table 2, and the positioning jig 3 is provided with a positioning groove 31 for placing the chip 81;

[0047] The pair of cover opening assemblies 4 are arranged on both sides of the positioning jig 3 and are used for stripping the chip cover 82 of the chip 81;

[0048] The cover opening driving mechanism 5 is arranged on the movable sliding table 2 and is used for driving the pair of cover opening assemblies 4 to act;

[0049] The heating assembly 6 is arranged above the movable sliding table 2;

[0050] The heating driving mechanism 7 is connected with the box body 1, the output end of the heating driving mechanism 7 is connected with the heating assembly 6, and the heating driving mechanism 7 can drive the heating assembly 6 to move.

[0051] Further, as Figures 1-9 shown, in the embodiment, the cover opening driving mechanism 5 comprises:

[0052] The first driving cylinder 51 is arranged on the movable sliding table 2, the output end of the first driving cylinder 51 is connected with a pair of connecting seats 52, and the pair of cover opening assemblies 4 are movably arranged on the pair of connecting seats 52; the first driving cylinder 51 is provided with a sliding rail 521, the pair of connecting seats 52 are slidably connected with the sliding rail 521, the first driving cylinder 51 can drive the pair of connecting seats 52 to reciprocate in opposite directions on the sliding rail 521, and the cover opening assembly 4 moves with the corresponding connecting seat 52;

[0053] The fixed seat 53 is fixedly connected with the first driving cylinder 51, the fixed seat 53 is provided with a first channel 531 and a second channel 532 in the inside, and the positioning jig 3 is arranged at the top of the fixed seat 53;

[0054] The pair of connecting seats 52 are arranged at both ends of the first channel 531 and are slidably connected with the fixed seat 53;

[0055] The connecting seat 52 is provided with a first sliding groove 521 in the inside;

[0056] The second driving cylinder 54 is arranged on the moving slide 2, and the output end of the second driving cylinder 54 is provided with a pair of force augmenting members 55 forming a V shape; the pair of force augmenting members 55 are slidably connected with the fixed seat 53 through the second channel 532 and are slidably connected with the first sliding groove 521 of the pair of connecting seats 52; the lever principle is used to amplify the cutting force to the inner side of the chip cover 82, so that the opening force of the chip 81 of various sizes can be adapted.

[0057] Further, the first driving cylinder 51 can also be replaced by two cylinders respectively driving the pair of connecting seats 52.

[0058] Further, the first sliding groove 521 is provided with a pulley 522 rotatably connected with the connecting seat 52, and the force augmenting member 55 is slidably connected with the pulley 522. The movement of the pair of force augmenting members 55 to the second channel 532 can press the pulley 522 to make the pair of connecting seats 52 tend to approach each other, so as to play a force augmenting role, and then cooperate with the first driving cylinder 51 to make the connecting seat 52 relatively move to give the opening cover assembly 4 a greater force.

[0059] Further, a plurality of second sliding grooves 523 are arranged on both sides of the connecting seat 52, a plurality of first pins 411 are arranged on both sides of the opening cover assembly 4, the plurality of first pins 411 correspond to the plurality of second sliding grooves 523 one by one and are slidably connected.

[0060] Further, a limiting assembly 524 is arranged on the connecting seat 52, the limiting assembly 524 is adjustable in position on the connecting seat 52 and is used for limiting the position of the opening cover assembly 4, and the limiting assembly 524 is provided with a plurality of positioning holes.

[0061] Further, a third sliding groove 526 is arranged on the connecting seat 52, and the limiting assembly 524 is detachably arranged in the third sliding groove 526; first, the opening cover assembly 4 and the connecting seat 52 are assembled together, then the limiting assembly 524 is inserted into the third sliding groove 526 and abuts against the opening cover assembly 4, and then the opening cover assembly 4, the limiting assembly 524 and the connecting seat 52 are fixedly connected through the screw 525.

[0062] Further, the opening cover assembly 4 comprises a knife seat 41 and a cutter 42; the knife seat 41 is slidably connected with the connecting seat 52; the cutter 42 is detachably arranged on the knife seat 41, and the cutter 42 can be selected according to the shape and size of the chip 81.

[0063] Further, the cutter 42 is one of a right angle shape or a semicircular shape.

[0064] Further, the heating assembly 6 comprises a heating block 61 and a plurality of heating pipes 62, which belong to conventional technical means;

[0065] The heating block 61 is connected with the output end of the heating driving mechanism 7, and the heating block 61 is provided with a plurality of positioning grooves 31.

[0066] A plurality of heating pipes 62 are arranged in the positioning groove 31 for heating the heating block 61.

[0067] Further, the heating driving mechanism 7 comprises a transverse driving mechanism 71 and a longitudinal driving mechanism 72, which belong to the conventional technical means.

[0068] The transverse driving mechanism 71 is arranged on the box body 1, and the output end thereof is connected with the longitudinal driving mechanism 72, so as to drive the longitudinal driving mechanism 72 to move transversely.

[0069] The output end of the longitudinal driving mechanism 72 is connected with the heating assembly 6, so as to drive the heating assembly 6 to move up and down, and drive the heating block 61 to move to the specified position on the chip 81 and to heat to melt the glue layer.

[0070] Further, the box body 1 is further provided with a safety grating 12, and the safety grating 12 can improve the safety of the equipment.

[0071] Working principle: first, the packaged chip 81 is placed in the positioning groove 31 of the positioning jig 3; then the cutter 42 and the cutter seat 41 are assembled; the chip 81 is sent to the heating area (i.e. the movement range of the heating assembly 6) by moving the sliding table 2, that is, the heating driving mechanism drives the heating block 61 to descend to the appropriate position above the chip cover 82, and then the glue layer is melted by heating, and the heating temperature and the holding time are controlled by the time relay and the temperature controller; the first driving cylinder 51 drives the cutter 42 to be close to the outer edge of the chip cover 82, and then the second driving mechanism drives a pair of force applying members 55 to move, so as to realize the force applying effect, and the cutter 42 is scooped into the glue layer between the chip cover 82 and the substrate 83, and under the action of the cutting force, the chip cover 82 is lifted upwards, so that the chip 81 and the chip cover 82 are separated; then the heating driving mechanism drives the heating assembly 6 to lift upwards, and the sliding table 2 retreats to the original position, and the chip cover 82 is quickly taken away before the glue layer is solidified, and the chip 81 is taken out.

[0072] The above, with reference to Figures 1-9 The chip cover opening machine according to the embodiment of the utility model is described, and can be applied to opening covers of chips of various sizes and shapes with metal upper covers; the automation degree is greatly improved, and then the chip cover opening efficiency is improved, and the production cost is reduced.

[0073] It should be noted that in the present specification, the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the elements defined by the phrase "comprising" do not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the elements.

[0074] Although the content of the present application has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present application. After reading the above content, various modifications and alternatives of the present application will be apparent to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.

Claims

1. A chip decapping machine characterized by, The utility model relates to a chip stripping device, which comprises a box body provided with a smoke outlet at the top, a movable sliding table arranged in the box body, a positioning jig arranged on the movable sliding table and movable with the movable sliding table for placing a chip, a pair of cover opening assemblies arranged on both sides of the positioning jig for peeling off the cover of the chip, a cover opening driving mechanism arranged on the movable sliding table for driving the pair of cover opening assemblies to act, a heating assembly arranged above the movable sliding table, and a heating driving mechanism connected with the box body and having an output end connected with the heating assembly for driving the heating assembly to move. The cover opening driving mechanism comprises a first driving cylinder, a fixed seat fixedly connected with the first driving cylinder, a first channel and a second channel arranged in the fixed seat, a pair of connecting seats arranged at both ends of the first channel and slidably connected with the fixed seat, a first sliding groove arranged in the connecting seat, and a second driving cylinder arranged on the movable sliding table and having a pair of force applying members in a V shape, wherein the pair of force applying members are slidably connected with the fixed seat through the second channel and slidably connected with the first sliding groove of the connecting seat. The heating assembly comprises a heating block connected with the output end of the heating driving mechanism, a plurality of positioning grooves arranged on the heating block, and a plurality of heating pipes arranged in the positioning grooves for heating the heating block. A pulley is arranged in the first sliding groove, and the force applying members are slidably connected with the pulley. A plurality of second sliding grooves are arranged on both sides of the connecting seat, a plurality of first pins are arranged on both sides of the cover opening assembly, the plurality of first pins correspond to the plurality of second sliding grooves one by one and are slidably connected with the plurality of second sliding grooves. A limiting assembly is arranged on the connecting seat, the limiting assembly is adjustable in position on the connecting seat, and the limiting assembly is used for limiting the position of the cover opening assembly. The limiting assembly is detachably arranged in a third sliding groove arranged on the connecting seat. The cover opening assembly comprises a cutter seat and a cutter, the cutter seat is slidably connected with the connecting seat, and the cutter is detachably arranged on the cutter seat. The cutter is in one of a right angle shape and a semicircle shape. The heating driving mechanism comprises a transverse driving mechanism and a longitudinal driving mechanism. The transverse driving mechanism is arranged on the box body, has an output end connected with the longitudinal driving mechanism, and drives the longitudinal driving mechanism to move transversely. The output end of the longitudinal driving mechanism is connected with the heating assembly, and the longitudinal driving mechanism drives the heating assembly to move up and down. ​ ​ ​ ​ ​ 2. The die decapping machine of claim 1, wherein, ​ 3. The die decapping machine of claim 1, wherein, ​ 4. The die decapping machine of claim 1, wherein, ​ 5. The die decapping machine of claim 4, wherein, ​ 6. The die decapping machine of claim 1, wherein, ​ 7. The die decapping machine of claim 6, wherein, ​ 8. The die decapping machine of claim 1, wherein, ​ ​ ​

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