CN211090482U

CN211090482U - Special disc type carrier for supplementing bulk electronic components by SMT machine

Info

Publication number: CN211090482U
Application number: CN201920624428.1U
Authority: CN
Inventors: 王祖政; 石军访; 孙培霖; 张震; 王登亚; 张宝维
Original assignee: TIANJIN SUNSHINE PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: TIANJIN SUNSHINE PHOTOELECTRIC TECHNOLOGY CO LTD
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-07-24
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a special disk carrier of electronic components in bulk is mended to SMT machine, constitute the base member by synthetic stone, store up a groove array and arrange in the base member upper surface, store up a groove length, wide and groove depth and the biggest length of device outer fringe that stores up, be equipped with 0.1-0.12 mm's interval between wide and the thickness, base member surface and storage groove surface are equipped with antistatic backing, the overall dimension of each special carrier base member is the same, the corner looks same position of each base member is equipped with circular bead height-identical support column, the bottom surface four corners of special carrier base member is equipped with and corresponds anastomotic blind hole with the support column. The carrier is designed according to the bulk devices in different packaging forms, can be used for picking, storing, checking, transferring and mounting various mounted devices and removing gold and tin from the devices, can avoid the collision and pin deformation of the devices, and particularly can effectively prevent the devices from being damaged due to static electricity. The utility model discloses can simplify the inspection approval procedure, ensure that subsidy device is accurate and adapt to the outstanding advantage that full-automatic subsides installation high quality of SMT and high efficiency need.

Description

Special disc type carrier for supplementing bulk electronic components by SMT machine

Technical Field

The utility model belongs to the SMT instrument especially relates to a special disk type carrier of electronic components in bulk is mended to SMT machine.

Background

The machine repairing of bulk electronic components in SMT mounting is an almost indispensable step because new devices or specially-packaged devices are included besides the mounted components, but the use amount of the new devices, such as wing-lead QFP devices and packaged devices such as SON, QFN, BCC, L GA, and the like, on a PCB is small.

In the prior art, the mechanical repair of electronic components which are dropped and used in a small amount must be strictly operated according to an SMT bulk repair work flow to avoid material errors, and the bulk repair work flow includes the following basic contents: the bulk materials formed by the fallen parts are timely recycled, cleaned, dried and identified, the polarity is confirmed, marked and classified and stored in an antistatic bag, the patching serial number and the position form are manufactured according to the classified parts, the position of the part on a patching machine is searched according to the Feedlist, repeated inspection is carried out according to the operation flow, and a programmer is required to modify the patching program during machine patching. The operation flow of the novel device or the special-shaped packaging device is the same as that of the recovered and discarded device except that the novel device or the special-shaped packaging device does not need to be recovered, cleaned, dried and identified.

The prior art for mechanically repairing bulk electronic components has the defects that the components are easy to collide, pin variants and the high-efficiency production requirement of an SMT full-automatic mounter is not met in the processes of picking, transferring and equipment mounting.

Notice No. CN 208572581U's utility model "a small-size part tray applied to SMT mounting line" discloses the following technical scheme: it includes the base plate, and fixed mounting has the tray board on the base plate, and the base plate is the rectangle base plate, and the tray board is the rectangle tray board, has seted up a plurality of constant head tanks on the tray board, and a plurality of constant head tanks are the array on the tray board and arrange, and the constant head tank is the rectangle constant head tank, is provided with the location cavity who matches the product in the constant head tank, and the relative both sides of constant head tank are provided with two spacing parts respectively. The positioning groove is internally provided with a first groove wall and a second groove wall which are opposite, the first groove wall is provided with a groove body, and the second groove wall is provided with a backing plate. The groove body is a conical groove. The backing plate is an arc backing plate. The limiting part is a limiting groove.

Above-mentioned utility model compares prior art and can improve the production efficiency and the accuracy of small-size part effectively, but the tray makes its structure more complicated for three layer construction and the relative both sides of constant head tank are provided with two spacing parts respectively, still has the defect that antistatic measure is not enough simultaneously.

Disclosure of Invention

The utility model aims at solving the technical problems existing in the prior art of the bulk electronic components and the prior utility model, and providing a special disc type carrier for the bulk electronic components of SMT machine.

The utility model discloses a realize above-mentioned purpose and take following technical scheme: a special disc type carrier for a Surface Mounting Technology (SMT) machine to supplement bulk electronic components comprises storage tanks arranged in an array, and is characterized in that, the special disc type carrier is characterized in that a base body is formed by synthetic stone, storage grooves are arrayed on the upper surface of the base body, gaps of 0.1-0.12mm are formed among the length, the width and the depth of each storage groove and the maximum length, the width and the thickness of the outer edge of a stored device, polytetrafluoroethylene antistatic layers are arranged on the surface of the base body and the surface of each storage groove, the appearance size of each special disc type carrier base body is the same, supporting columns with the same shoulder height are arranged at the symmetrical positions of four corners of the upper surface of each special disc type carrier base body, blind holes corresponding to the supporting columns are arranged at the four corners of the bottom surface of each special disc type carrier base body, each supporting column of one special disc type carrier is correspondingly spliced with each blind hole of the other special disc type carrier, and the shoulder of each supporting column is.

The utility model discloses can also take following technical measure:

and row and column numbers respectively corresponding to the workpiece storage grooves are arranged on the edge of the surface of the substrate with the polytetrafluoroethylene antistatic layer.

The surface of the substrate with the polytetrafluoroethylene antistatic layer is provided with marks respectively corresponding to the polarities of the devices in the storage tanks.

And a device type label is arranged on the surface of one end edge of the substrate with the polytetrafluoroethylene antistatic layer.

And a label plate belonging to the name of the using unit is arranged on the surface of the edge of one end of the substrate with the polytetrafluoroethylene anti-static layer.

And a bar code or microcode label is arranged on the surface of the edge of one end of the substrate with the polytetrafluoroethylene antistatic layer.

The height of the shoulder of the support column is 5-6 mm.

The utility model has the advantages of: the special disc type carrier is designed according to the bulk devices in different packaging forms, can be used for picking, storing, checking, transferring and mounting various mounted devices and removing gold and tin from the devices, can avoid the collision and pin deformation of the devices, especially can effectively prevent the devices from being damaged by static electricity, and has the characteristic of one disc with multiple purposes. The support column and the corresponding anastomotic blind hole can realize the stacking and placing of multiple discs, which is favorable for the transfer and the transfer of the multiple discs and saves the occupied area. The special disc carrier can be used for mounting the mechanically-compensated bulk electronic components by single disc or multi-disc tiling combination. The arrangement of the device type, the attribution use unit name, the column and row numbers and the like can quickly select carriers corresponding to the bulk devices, and the number of the devices can be accurately checked. The device polarity identification arranged at the edge of the storage groove can ensure that the device is accurately attached and avoid the fault caused by the polarity error of the device. The bar code or the microcode identification is arranged to facilitate the information management of the device in the production process, so that the mounting production information has traceability. The special disc type carrier can also be used for manually supplementing bulk electronic components. The utility model discloses can simplify the inspection approval procedure, ensure that subsidy device is accurate and adapt to the outstanding advantage that full-automatic subsides installation high quality of SMT, high efficiency production needs.

Drawings

Fig. 1 is a schematic structural diagram of a dedicated disc-type carrier.

Fig. 2 is a schematic view of a multi-disc stack.

The labels in the figure are: the anti-static device comprises a substrate 1, an anti-static layer 2, a storage tank 3, a unit name label belonging to 4, a bar code label 5, a support column 6, a shoulder 6-1, a device type label 7, a polarity identification 8, a row number 9 and a column number 10.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in figure 1, the special disc type carrier is composed of a base body 1 made of synthetic stone, storage grooves 3 are arrayed on the upper surface of the base body 1, gaps of 0.1-0.12mm are arranged between the length, width and depth of each storage groove and the maximum length, width and thickness of the outer edge of a stored device, and circular grooves at four corners of each storage groove 3 in figure 1 are overtravel grooves for machining the storage grooves by a milling machine. The surface of the substrate 1 and the surface of the storage tank 3 are both provided with polytetrafluoroethylene antistatic layers 2.

As shown in fig. 1 and 2, the external dimensions of each special carrier base 1 of the present invention are the same, the four corners of each special carrier base 1 are symmetrically provided with support pillars 6 having the same height as the shoulder 6-1, and the four corners of the bottom surface of each special carrier base 1 are provided with blind holes (not shown) corresponding to the positions of the support pillars.

Each supporting column of one special disc type carrier is correspondingly spliced with each blind hole of the other special disc type carrier, and the shoulder 6-1 of each supporting column is spliced with the bottom surface of the special disc type carrier at the periphery of the blind hole. The support column 6 and the corresponding matched blind hole 6-1 can realize multi-disc stacking placement. The height of the shoulder can be 5-6 mm.

As shown in fig. 1, the edge of the surface of the substrate 1 having the ptfe antistatic layer 2 of the embodiment is provided with row numbers 9 and column numbers 10 corresponding to the bank grooves, respectively.

As shown in fig. 1, the surface of the substrate 1 having the ptfe antistatic layer 2 of the embodiment is provided with polarity marks 8 corresponding to the polarities of the devices in the respective storage tanks 3, and the polarity marks of the embodiment are circular dots, or may be in other forms such as numeral 1.

As shown in fig. 1, the upper edge surface of the substrate 1 having the teflon antistatic layer 2 of the embodiment is provided with a device type label 7.

As shown in fig. 1, the substrate 1 having the polytetrafluoroethylene antistatic layer 2 of the example is provided with a name plate 4 of the name of the unit of ownership on the right edge surface.

As shown in fig. 1, the surface of the right edge of the substrate 1 with the teflon antistatic layer 2 of the embodiment is provided with a bar code label 5, and the position can also be a microcode label.

The special disc type carrier for MOS tubes and crystal oscillators with the same structure as the embodiment can use the storage tank 3 of the carrier to carry out gold removing and tin coating treatment on the gold-plated surface of the device, and can prevent the surface layer of the device from being polluted by tin. The device after gold and tin removing treatment is cleaned and then put back into the storage tank 3 of the carrier.

According to the machine compensation requirement, special disc type carriers of different types of devices can be flatly laid on a material platform of a placement machine for application.

Claims

The special disc type carrier for the SMT machine to mend the bulk electronic components comprises storage grooves arranged in an array, and is characterized in that: the special disc type carrier is characterized in that a base body is formed by synthetic stone, storage grooves are arrayed on the upper surface of the base body, gaps of 0.1-0.12mm are formed among the length, the width and the depth of each storage groove and the maximum length, the width and the thickness of the outer edge of a stored device, polytetrafluoroethylene antistatic layers are arranged on the surface of the base body and the surface of each storage groove, the appearance size of each special disc type carrier base body is the same, supporting columns with the same shoulder height are arranged at the symmetrical positions of four corners of the upper surface of each special disc type carrier base body, blind holes corresponding to the supporting columns are arranged at the four corners of the bottom surface of each special disc type carrier base body, each supporting column of one special disc type carrier is correspondingly spliced with each blind hole of the other special disc type carrier, and the shoulder of each supporting column is respectively.
2. The specialized disc carrier of claim 1, wherein: and row and column numbers respectively corresponding to the workpiece storage grooves are arranged on the edge of the surface of the substrate with the polytetrafluoroethylene antistatic layer.
3. The specialized disc carrier of claim 1, wherein: the marks which are provided with the polytetrafluoroethylene anti-static layers and respectively correspond to the polarities of the devices in the storage tanks.
4. The specialized disc carrier of claim 1, wherein: and a device type label is arranged on the surface of one end edge of the substrate with the polytetrafluoroethylene antistatic layer.
5. The specialized disc carrier of claim 1, wherein: and a label plate belonging to the name of the using unit is arranged on the surface of the edge of one end of the substrate with the polytetrafluoroethylene anti-static layer.
6. The specialized disc carrier of claim 1, wherein: and a bar code or microcode label is arranged on the surface of the edge of one end of the substrate with the polytetrafluoroethylene antistatic layer.
7. The specialized disc carrier of claim 1, wherein: the height of the shoulder of the support column is 5-6 mm.