CN220020271U - Tool structure for on-line burning of IC - Google Patents

Abstract

The utility model discloses a tooling structure for on-line burning of an IC (integrated circuit), which comprises a bottom plate, a lifting plate and a top plate, wherein the lifting plate and the top plate are arranged above the bottom plate in sequence, a lower die assembly for placing a chip to be burned is arranged on the bottom plate, the bottom plate is connected with the top plate through a plurality of guide posts, the lifting plate is sleeved on the guide posts in a sliding manner, a lifting cylinder is fixed on the top plate, the telescopic end of the lifting cylinder is connected with the upper surface of the lifting plate, and an upper die assembly matched with the lower die assembly is arranged on the lower surface of the lifting plate. The automatic burning is realized, the efficiency is improved, and the burning stability is improved.

Description

Tool structure for on-line burning of IC

Technical Field

The utility model relates to the technical field of integrated chip production, in particular to a tooling structure for IC online burning.

Background

With the development of integrated circuits, existing circuit boards generally employ some programmable chips, and the designed programs are burned into the chips of the PCB to realize the required functions. The burning is also called burning, and the needed data is burned into the integrated chip through tools such as a burner.

In the existing electronic product manufacturing process, each step of the product burning operation is usually completed manually. The upper cover plate of the existing burning tool is provided with the thimble, and the thimble is contacted with the burning point through the upper cover plate by hand, so that the whole burning process can be completed within about 10 minutes. Meanwhile, the hand pressure is unstable, contact is often poor during burning, burning is unsuccessful, repeated burning is needed, and working efficiency is low.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a tooling structure for IC online burning, which can realize automatic burning and improve burning efficiency and burning stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a frock structure for IC burns record on line, its key lies in: including the bottom plate and lie in the lifter plate, the roof of setting gradually in this bottom plate top be provided with on the bottom plate and be used for placing the lower mould subassembly of waiting to burn the chip, be connected through many guide posts between bottom plate and the roof, the lifter plate sliding sleeve is in on the guide post be fixed with the lift cylinder on the roof, the flexible end of this lift cylinder with the upper surface of lifter plate is connected the lower surface of lifter plate be provided with the supporting last mould subassembly of lower mould subassembly.

Further, the left side, the right side and the rear side of the bottom plate are connected with the top plate through the supporting plates.

Further, at least three positioning pins are arranged on the bottom plate, and the lower die assembly is inserted into the positioning pins.

Furthermore, a connecting block is also fixed on the lifting plate, a drag chain is connected on the connecting block, and the other end of the drag chain upwards penetrates through the top plate and then is connected with the connecting plate on the top plate.

Further, the lower die assembly comprises a tray base plate arranged on the bottom plate, a lower die holder is arranged on the tray base plate, and a plurality of positioning and placing grooves for placing chips to be burned are arranged on the lower die holder side by side.

Further, go up the mould subassembly include with the faller cushion that the lifter plate is connected with in the below of this faller cushion be connected with needle template a plurality of first needle moulds and second needle mould are alternately provided with on the needle template, be provided with the probe on first needle mould and the second needle mould be provided with first copper post fixed block on the needle template between first needle mould and the second needle mould, be provided with the second copper post fixed block on the needle template of first needle mould and second needle mould front side all inlay on first needle mould, second needle mould, first copper post fixed block, the second copper post fixed block and be used for compressing tightly the pressure stick of fixing with waiting to burn the chip.

The utility model has the remarkable effects that: novel structure, convenient operation, through lifting cylinder drive lifter plate downwardly moving, it is fixed to wait to burn the chip with lower die assembly compound die to make go up die assembly, through the probe connection to wait to burn the chip, accomplish fast after burning, make the lifter plate reset, then take out the burnt piece, realized automatic burning, improved efficiency, and when burning, adopt lifting cylinder to push down the product, make the burning process can not appear rocking and contact failure, be favorable to improving the stability of burning.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a left side view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model;

FIG. 5 is a schematic structural diagram of a pneumatic programming tool;

FIG. 6 is a front view of a pneumatic programming tool;

FIG. 7 is a schematic structural view of the upper and lower mold assemblies;

FIG. 8 is one of the schematic structural views of the lower die assembly;

FIG. 9 is a second schematic diagram of the lower mold assembly;

FIG. 10 is one of the schematic structural views of the upper die assembly;

FIG. 11 is a second schematic structural view of the upper module.

Detailed Description

The following describes the embodiments and working principles of the present utility model in further detail with reference to the drawings.

As shown in fig. 1-4, an IC on-line recording device includes a device body 1, a control host 2 is disposed in a lower cavity of the device body 1, a pneumatic recording tool 3 is disposed in a middle cavity of the device body 1, a lower module 4 for placing a chip s to be recorded is disposed at a lower part of the pneumatic recording tool 3, an upper module 5 is disposed above the lower module 4, the upper module 5 can be driven by the pneumatic recording tool 3 to move up and down, a inching switch and an emergency stop switch 7 are disposed at a front side of a middle part of the device body 1, a display screen 9 is mounted on a right side wall of the device body 1 through a connection component 8, an indicator lamp set 6 is disposed on a front panel 10 at an upper part of the device body 1, the indicator lamp set 6, the inching switch 7 and the display screen 9 are all electrically connected with the control host 2, and the pneumatic recording tool 3 extends into the upper cavity of the device body 1.

The device adopts a mode of reserving test points on the PCB for online burning, because the test points are reserved at the beginning of PCB design, when the control host 2 controls the upper die assembly 5 and the lower die assembly 4 to be assembled, the probes of the upper die assembly 5 are pricked to the reserved test points on the PCB, the contact condition is actively perceived, the control host 2 controls the burner to start burning, and after the burning is finished, the air cylinder in the pneumatic burning tool 3 is lifted, and the PCB is taken out to finish online burning.

Referring to fig. 1, the device body 1 includes a main frame 101 and a sealing plate 102 mounted on the main frame 101, wherein a plurality of cup assemblies 103 are disposed at the bottom of the main frame 101, and the cup assemblies 103 can not only easily move the device, but also ensure the stability of the production position; a three-color warning lamp 104 is arranged on the sealing plate 102 at the top, and the production state of the device can be remarkably warned and prompted through the three-color warning lamp 104;

the main body frame 101 includes two first columns 1011, two second columns 1012, two third columns 1013 and two fourth columns 1014 sequentially above the second columns 1012, the first columns 1011 and the first columns 1011 are connected with the second columns 1012, the third columns 1013 and the fourth columns 1014 through cross beams 1015, the second columns 1012 and the third columns 1013 and the fourth columns 1014 are connected with each other through partition boards, and the partition boards are fixedly connected with the first columns 1011 and the cross beams 1015.

The frame structure formed by the first upright 1011, the second upright 1012, the third upright 1013 and the fourth upright 1014 is adopted, so that the production is convenient, the dead weight of the device is reduced, the layout of the whole device can be reasonably planned, and various necessary parts are convenient to set.

As shown in fig. 2, the connecting assembly 8 includes a mounting block 81 fixedly connected to the right side wall of the device body 1, a rotating shaft 82 is provided on the mounting block 81, a first connecting arm 83 is rotatably connected to the rotating shaft 82, a mounting rod 84 is connected to the other end of the first connecting arm 83, a placement plate 86 for placing a keyboard and a mouse is provided on the lower portion of the mounting rod 84 through a first hinge 85, and the upper portion of the mounting rod 84 is fixedly connected to the display screen 9 through a second hinge.

The connecting component 8 with the structure can enable the installed display screen 9 and the placing plate 86 to rotate at any angle in the axial direction of the installation rod 84, and can adjust the height of the installation rod, so that the installation rod is more suitable for production workers. In addition, the setting of the placement board 86 may be such that a keyboard, a mouse, or the like is provided thereon, thereby setting parameters involved in the production process based on the mouse.

Referring to fig. 5-7, the pneumatic recording tool 3 includes a bottom plate 31, a lifting plate 32 and a top plate 33, wherein the lifting plate 32 and the top plate 33 are sequentially arranged above the bottom plate 31, the bottom plate 31 is provided with the lower die assembly 4, the bottom plate 31 and the top plate 33 are connected through a plurality of guide posts 34, the lifting plate 32 is sleeved on the guide posts 34 in a sliding manner, a lifting cylinder 35 is fixed on the top plate 33, the telescopic end of the lifting cylinder 35 is connected with the upper surface of the lifting plate 32, and the lower surface of the lifting plate 32 is provided with the upper die assembly 5.

During production, the lifting air cylinder 35 drives the lifting plate 32 to move upwards along the guide post 34, after the chip s to be burnt is loaded in the lower die assembly 4, the lifting air cylinder 35 drives the lifting plate 32 to move downwards along the guide post 34, so that the upper die assembly 5 and the lower die assembly 4 are assembled, probes of the upper die assembly 5 are pricked to reserved test points on a PCB, the burner is controlled to start burning, the air cylinder is lifted after the burning is finished, and the PCB is taken out to finish online burning. The lifting plate is driven to move downwards through the lifting cylinder, so that the upper die assembly and the lower die assembly are clamped to fix the chip to be burnt, the probe is connected to the chip to be burnt, after the burning is completed rapidly, the lifting plate is reset, then the burnt piece is taken out, automatic burning is realized, the efficiency is improved, and when the burning is performed, the lifting cylinder is adopted to press a product, so that shaking and poor contact cannot occur in the burning process, and the stability of the burning is improved.

Further, the left and right sides and the rear side of the bottom plate 31 are connected to the top plate 33 through support plates 36.

The supporting plate 36 can provide better supporting effect for the top plate 33, so that the structural strength and structural stability of the whole tool are guaranteed, the tool can withstand more lifting impact during production, and the service life of the tool is powerfully guaranteed.

Further, at least three positioning pins are provided on the bottom plate 31, and the lower die assembly 4 is inserted into the positioning pins.

The lower die assembly 4 can be conveniently replaced by adopting the inserting and fixing mode of the locating pin, so that the die changing speed in the process of producing different products can be increased.

Further, a connection block 37 is further fixed on the lifting plate 32, a drag chain 38 is connected to the connection block 37, and the other end of the drag chain 38 passes through the top plate 33 upwards and then is connected to a connection plate 39 on the top plate 33.

By the drag chain 38, the up-and-down movement process of the lifting plate 32 can be more stable, the lifting plate 32 can be ensured to move up and down integrally, and each probe in the upper die assembly 5 can be ensured to be in good contact with the chip on the lower die assembly 4, so that the burning effect is ensured.

As shown in fig. 8 and 9, the lower die assembly 4 includes a tray base 41 disposed on the bottom plate 31, a lower die holder 42 is disposed on the tray base 41, and a plurality of positioning slots 43 for placing chips s to be burned are disposed side by side on the lower die holder 42.

Through a plurality of location standing grooves 43 that set up, can once only put into a plurality of chips of waiting to burn for this device can once only burn a plurality of chips, and then helps improving the burning machining efficiency of enterprise.

Referring to fig. 10 and 11, the upper mold assembly 5 includes a needle plate pad 51 connected to the lifting plate 32, a needle mold plate 52 is connected below the needle plate pad 51, a plurality of first needle molds 53 and second needle molds 54 are alternately arranged on the needle mold plate 52, probes 55 are arranged on the first needle molds 53 and the second needle molds 54, a first copper column fixing block 56 is arranged on the needle mold plate 52 between the first needle molds 53 and the second needle molds 54, a second copper column fixing block 57 is arranged on the needle mold plate 52 in front of the first needle molds 53 and the second needle molds 54, and pressing rods 58 for pressing and fixing the chip s to be burned are respectively embedded on the first needle molds 53, the second needle molds 54, the first copper column fixing blocks 56 and the second copper column fixing blocks 57.

The upper die assembly 5 can move up and down under the driving of the lifting cylinder, when the die is closed and burnt, the pressing rod is contacted with the chip to be burnt, then the probes 55 on the first needle die 53 and the second needle die 54 are contacted with the reserved test points on the PCB, the burner is controlled to start burning, the lifting cylinder of the pneumatic burning tool 3 drives the upper die assembly 5 to move up to open the die after the burning is completed, the probes 55 on the first needle die 53 and the second needle die 54 and the pressing rod are separated from the chip to be burnt in sequence, and then the burnt chip is taken out.

Further, a receiving cavity 511 is formed in the needle plate cushion block 51, a plurality of first needle module protecting blocks 512 and second needle module protecting blocks 513 are disposed in the receiving cavity 511, the first needle module protecting blocks 512 and the first needle modules 53 are disposed in one-to-one correspondence to protect the probes 55, the second needle module protecting blocks 513 and the second needle modules 54 are disposed in one-to-one correspondence to each other, and the upper portions of the probes 55 are embedded in the first needle module protecting blocks 512 and the second needle module protecting blocks 513.

The first pin mold protection block 512 and the second pin mold protection block 513 are provided to prevent the first pin mold 53 and the second pin mold 54 from being damaged by impact during mold closing.

In the programming device according to the embodiment, the on-line programming is performed based on the manner of reserving test points on the PCB, because the test points are reserved at the beginning of the PCB design, when the control host 2 controls the upper die assembly 5 to be matched with the lower die assembly 4, the probes of the upper die assembly 5 are pricked to the reserved test points on the PCB, and actively sense the contact condition, the control host 2 controls the programming device to start the programming, so as to realize the automatic on-line programming, and meanwhile, because the probes corresponding to the reserved test points are arranged, the secondary programming can be performed when the program upgrading, the new data adding and other conditions occur.

The technical scheme provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (6)

1. A frock structure for IC burns record on line, its characterized in that: including the bottom plate and lie in the lifter plate, the roof of setting gradually in this bottom plate top be provided with on the bottom plate and be used for placing the lower mould subassembly of waiting to burn the chip, be connected through many guide posts between bottom plate and the roof, the lifter plate sliding sleeve is in on the guide post be fixed with the lift cylinder on the roof, the flexible end of this lift cylinder with the upper surface of lifter plate is connected the lower surface of lifter plate be provided with the supporting last mould subassembly of lower mould subassembly.

2. The tooling structure for on-line burning of ICs according to claim 1, wherein: the left side, the right side and the rear side of the bottom plate are connected with the top plate through the supporting plates.

3. The tooling structure for on-line burning of ICs according to claim 1, wherein: at least three locating pins are arranged on the bottom plate, and the lower die assembly is inserted into the locating pins.

4. The tooling structure for on-line burning of ICs according to claim 1, wherein: the lifting plate is also fixedly provided with a connecting block, the connecting block is connected with a drag chain, and the other end of the drag chain upwards penetrates through the top plate and then is connected with the connecting plate on the top plate.

5. The tooling structure for on-line burning of ICs according to claim 1, wherein: the lower die assembly comprises a tray base plate arranged on the bottom plate, a lower die holder is arranged on the tray base plate, and a plurality of positioning and placing grooves for placing chips to be burned are arranged on the lower die holder side by side.

6. The tooling structure for on-line burning of ICs according to claim 1, wherein: the upper die assembly comprises a needle plate cushion block connected with the lifting plate, a needle template is connected below the needle plate cushion block, a plurality of first needle dies and second needle dies are alternately arranged on the needle template, probes are arranged on the first needle dies and the second needle dies, a first copper column fixing block is arranged on the needle template between the first needle dies and the second needle dies, a second copper column fixing block is arranged on the needle template at the front side of the first needle dies and the second needle dies, and pressing rods used for pressing and fixing a chip to be burnt are embedded on the first needle dies, the second needle dies, the first copper column fixing blocks and the second copper column fixing blocks.