CN111479393B

CN111479393B - A flip positioning assembly and method for PCB circuit board processing

Info

Publication number: CN111479393B
Application number: CN202010323125.3A
Authority: CN
Inventors: 徐建方; 万爱花; 王富生
Original assignee: Dongguan Lisheng Circuit Board Co ltd
Current assignee: Guangxi Weirong Shiyu Electronic Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-04-20
Anticipated expiration: 2040-04-22
Also published as: CN111479393A

Abstract

The invention relates to the technical field of PCB circuit board processing. An inversion positioning assembly for PCB circuit board processing, comprising a first inversion conveying module, a second inversion conveying module and an inversion module; the first inversion conveying module and the second inversion conveying module are arranged in parallel on a transfer and inversion support frame, and the inversion module It is located between the first inversion conveying module and the second inversion conveying module. The advantage of this patent is to facilitate stable transfer, improve turnover efficiency, and improve the continuity of the overall processing production line.

Description

Overturning positioning assembly and method for PCB processing

Technical Field

The invention relates to the technical field of PCB processing, in particular to a turnover positioning assembly for PCB processing and a method thereof.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. The precision requirement in the process of processing, marking and processing the surface of the PCB is very high, and clear information such as characters, models, manufacturers and the like is required to be marked on the premise of not damaging components.

Current PCB circuit board automatic processing equipment, because the PCB circuit board of carrying coming in is rectangular shape, can't guarantee completely that the PCB circuit board of carrying coming in is positive or reverse, if for the reverse side, can lead to the positive and negative to beat the mark and make mistakes, need carry the PCB circuit board and overturn after the feeding, current turning device structure is too complicated to the occupation space of device is great, often appears the upset easily and reports to the police or drops easily at the upset in-process.

Disclosure of Invention

The invention aims to solve the problem of poor turnover efficiency of the existing PCB, and provides a turnover positioning component for processing the PCB, which is convenient to turn over, saves the occupied space of a device, has a simple and convenient structure, and improves the turnover efficiency and turnover matching degree.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a turnover positioning component for processing a PCB comprises a first turnover conveying module, a second turnover conveying module and a turnover module; the first overturning and conveying module and the second overturning and conveying module are arranged on the transferring and overturning support frame in parallel, the overturning module is positioned between the first overturning and conveying module and the second overturning and conveying module, the overturning module is matched with the first overturning and conveying module and the second overturning and conveying module to overturn, and the overturning module comprises an overturning motor, an overturning shaft and a cross overturning frame; the overturning motor is arranged between the first overturning conveying module and the second overturning conveying module, the overturning shaft is connected with the overturning motor, the cross overturning frame is sleeved on the overturning shaft, and each overturning branch frame of the cross overturning frame is provided with a plurality of overturning matching neutral gears; each overturning matching neutral gear is correspondingly matched with each overturning conveying guide roller, and the outer end of each overturning branch frame is provided with a plurality of overturning suction heads.

Preferably, the first overturning conveying module and the second overturning conveying module are symmetrically arranged and have the same structure.

Preferably, the first overturning and conveying module comprises a first overturning and conveying bracket, a second overturning and conveying bracket and an overturning and conveying connecting bracket; a plurality of overturning conveying guide rollers which are regularly arranged in parallel are arranged on the first overturning conveying support; each overturning and conveying guide roller is provided with a plurality of limiting convex rings which are regularly arranged; one end of each overturning conveying guide roller is connected with an overturning conveying gear, any two adjacent overturning conveying gears are connected through an overturning conveying conveyor belt, and any one overturning conveying gear in the plurality of overturning conveying gears is connected with an overturning conveying motor; the overturning conveying connection support is located between the first overturning conveying support and the second overturning conveying support, and a plurality of regularly-arranged overturning conveying connection limiting blocks are arranged on the overturning conveying connection support.

Preferably, the distance between two adjacent overturning conveying connection limiting blocks is the same as the distance between two adjacent limiting convex rings.

Preferably, a supporting and limiting cylinder is arranged below the plurality of overturning and conveying guide rollers, and a supporting and limiting frame is arranged at the top of the supporting and limiting cylinder.

Preferably, a plurality of spacing partition plates which are regularly and parallelly arranged are arranged on the supporting and spacing frame.

Preferably, each limiting partition plate is provided with a plurality of circuit board conveying neutral positions, and each limiting partition plate is located between two overturning conveying guide rollers.

Preferably, each circuit board conveying neutral position is aligned with the distance between every two adjacent limiting convex rings and has the same width.

The turnover positioning assembly is used for driving four circuit boards to be conveyed backwards to a second turnover conveying support through a turnover conveying motor, sucking the four circuit boards through a cross turnover frame on a turnover module, placing the four circuit boards on the second turnover conveying support of the second turnover conveying module through clockwise rotation of the turnover motor, and driving the four circuit boards to move forwards through the turnover conveying motor of the second turnover conveying module.

A transfer turnover device for processing a PCB comprises a transfer turnover support frame, a front and back side detection assembly, a transfer assembly and the turnover positioning assembly.

Adopt above-mentioned technical scheme's a upset locating component of PCB circuit board processing usefulness, this subassembly has solved too complicated among the current upset process, makes the circuit board drop easily and often the problem of wrong warning. Be convenient for overturn the polylith circuit board simultaneously through upset locating component to carry the deflector roll through cross roll-over stand and many upsets and insert empty setting, the structure is ingenious when saving equipment space, is convenient for absorb the upset, promotes whole upset efficiency and upset stability.

The device is also convenient for front and back detection through the front and back detection assembly, and is convenient for more smooth circuit board transfer, thereby improving the circuit board transfer efficiency and the overall processing efficiency and preventing the circuit boards from being accumulated; more circuit boards can be conveniently sucked simultaneously through the transfer assembly, and the stability is stronger in the transfer process, so that the firmness of the circuit boards in the transfer process is improved. To sum up, the advantage of this patent is convenient for stabilize the transfer, promotes upset efficiency, promotes whole processing lines's continuity.

Drawings

Fig. 1 is a schematic structural diagram of the transfer and turnover device of the present invention.

FIG. 2 is a schematic structural view of the front and back side detecting unit and the transferring unit according to the present invention.

Fig. 3 is a schematic structural diagram of the flip positioning assembly of the present invention.

Detailed Description

The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, a positioning and detecting device for PCB processing comprises a transfer support frame 20, a front and back side detecting assembly 21, a transfer assembly 22 and a turning positioning assembly 23; the front and back side detection assembly 21 is arranged at the feeding end of the transfer support frame 20, the front and back side detection assembly 21 is used for placing a circuit board to wait for transfer and performing front and back side detection, and the front and back side detection assembly 21 comprises a containing support 211, two containing adjusting cylinders 212, a containing adjusting frame 213 and a front and back side detector; hold support 211 and set up at the feed end that shifts support frame 20, hold alignment jig 213 and set up on holding support 211 through two guide arms, hold alignment jig 213 and be convenient for carry out horizontal migration on holding support 211. Two hold the adjustment cylinder 212 setting and hold the discharge end side of support 211, two hold the adjustment cylinder 212 and pass and hold support 211 and hold the alignment jig 213 and be connected, and two hold the adjustment cylinder 212 and drive and hold alignment jig 213 and carry out the horizontal migration regulation. Hold and be provided with many circuit boards on the alignment jig 213 and hold groove 2131, circuit board holds groove 2131 and is used for placing the circuit board. The front and back side detector is arranged on the transfer support frame 20 and above the containing adjusting frame 213 for detecting the front side, the front side does not need to be turned, and the turning is carried out through the turning positioning assembly 23.

A transfer unit 22 is disposed on the transfer carriage 20, and the transfer unit 22 is used for transferring the circuit board. The transferring assembly 22 comprises a transferring bracket 221, a transferring electric cylinder 222, a transferring moving frame 223, a plurality of transferring modules 224, and a transferring bracket 221 arranged on the transferring and overturning support frame 20, wherein the transferring electric cylinder 222 is horizontally arranged on the top of the transferring bracket 221, the transferring moving frame 223 is connected with a moving part of the transferring electric cylinder 222, the transferring moving frame 223 is arranged on the top of the transferring bracket 221 through a transferring moving slide rail, and the transferring moving frame 223 is driven by the transferring electric cylinder 222 to be horizontally moved and positioned on the transferring bracket 221. A plurality of transfer modules 224 are arranged at the front part of the transfer moving frame 223 in a regular way, and each transfer module 224 comprises a transfer support vertical plate 2241, a transfer lifting cylinder 2242, a transfer lifting frame 2243 and a plurality of circuit board grabbing suction plates 2244; transfer support riser 2241 and set up in the front portion that shifts and remove the frame 223, transfer lift cylinder 2242 and set up in the front portion that shifts support riser 2241, transfer crane 2243 and be connected with the bottom that shifts lift cylinder 2242, drive through shifting lift cylinder 2242 and shift the location. The four circuit board grabbing suction plates 2244 are arranged at the bottom of the transfer lifting frame 2243; every circuit board snatchs the both ends of suction disc 2244 and all is provided with and snatchs suction head 2245, is convenient for absorb the circuit board through snatching suction head 2245 and shifts, promotes and shifts stability.

The overturning positioning assembly 23 comprises a first overturning conveying module 231, a second overturning conveying module 232 and an overturning module 233; the first overturning and conveying module 231 and the second overturning and conveying module 232 are arranged on the transfer support frame 20 in parallel, and the first overturning and conveying module 231 and the second overturning and conveying module 232 are symmetrically arranged and have the same structure. The first turnover conveying module 231 comprises a first turnover conveying bracket 2311, a second turnover conveying bracket 2312 and a turnover conveying engagement bracket 2313; a plurality of overturning conveying guide rollers 23111 which are regularly arranged in parallel are arranged on the first overturning conveying bracket 2311; one end of each turnover conveying guide roller 23111 is connected with a turnover conveying gear 23112, any two adjacent turnover conveying gears 23112 are connected through a turnover conveying conveyor belt, any one turnover conveying gear 23112 in the multiple turnover conveying gears 23112 is connected with a turnover conveying motor 23113, and the turnover conveying gears 23112 are driven to rotate through a turnover conveying motor 23113, so that each turnover conveying guide roller 23111 rotates, and the transferred four circuit boards are conveyed backwards. Be located many upset and carry deflector roll 23111 below and be provided with support spacing cylinder 2314, the top of supporting spacing cylinder 2314 is provided with supports spacing 2315, be provided with polylith rule parallel arrangement's spacing baffle 2316 on supporting spacing 2315, all be provided with a plurality of circuit boards on every spacing baffle 2316 and carry neutral gear 2317, every spacing baffle 2316 is located between two upset transport deflector rolls 23111, and carry neutral gear 2317 through the circuit board and be convenient for better carry on spacingly with four circuit boards, prevent that the circuit board from removing about, promote the stability of carrying. The first overturning conveying support 2311 and the second overturning conveying support 2312 are arranged in a front-back alignment mode and are identical in structure, a supporting plate is not arranged on the matching side of the second overturning conveying support 2312 and the overturning module 233, so that the second overturning conveying support is better matched with the overturning module 233 conveniently, each overturning conveying guide roller 23111 on the second overturning conveying support 2312 is provided with a plurality of limiting convex rings 23121 which are regularly arranged, and the distance between every two adjacent limiting convex rings 23121 is aligned with each circuit board conveying neutral position 2317 and is identical in width; the limiting convex ring 23121 is convenient to better limit, and the stability in the overturning process is improved. The turnover conveying connection support 2313 is located between the first turnover conveying support 2311 and the second turnover conveying support 2312, a plurality of regularly arranged turnover conveying connection limiting blocks are arranged on the turnover conveying connection support 2313, the distance between every two adjacent turnover conveying connection limiting blocks is the same as the distance between every two adjacent limiting convex rings 23121, better alignment conveying is facilitated, and positioning accuracy is improved. The overturning module 233 is located between the first overturning and conveying module 231 and the second overturning and conveying module 232, and the overturning module 233 is matched with the first overturning and conveying module 231 and the second overturning and conveying module 232 to overturn. The overturning module 233 comprises an overturning motor 2331, an overturning shaft 2332 and a cross overturning frame 2333; the turning motor 2331 is arranged between the first turning conveying module 231 and the second turning conveying module 232, the turning shaft 2332 is connected with the turning motor 2331, the cross-shaped turning frame 2333 is sleeved on the turning shaft 2332, and the turning shaft 2332 is driven to rotate by the turning motor 2331 so as to drive the cross-shaped turning frame 2333 to rotate. Each turning sub-frame 2334 of the cross-shaped turning frame 2333 is provided with a plurality of turning fit neutral stops 2335; each turning-fit neutral 2335 is correspondingly matched with each turning-over conveying guide roller 23111, so that the turning-fit neutral 2335 and the turning-over conveying guide rollers 23111 are arranged in a hollow manner, mutual collision between the turning-over fit neutral 2335 and the turning-over conveying guide rollers 23111 is prevented, the circuit board can be conveniently and directly transferred, and the structure is simple and ingenious. The equipment space can be saved, the four circuit boards can be better sucked, and meanwhile, the four circuit boards can be directly sucked in the rotating process of the cross-shaped turning frame 2333 without pause, so that the turning efficiency and the turning quality are improved. The outer end of each of the turning sub-frames 2334 is provided with a plurality of turning nozzles 23341, and the suction stability is further improved by the turning nozzles 23341 to prevent from falling down in the turning.

During operation, the transfer electric cylinder 222 in the transfer assembly 22 drives the right transfer module 224 on the transfer moving frame 223 to move to the position above the third feeding and conveying support, the transfer lifting cylinder 2242 drives the grabbing suction head 2245 on the transfer lifting frame 2243 to suck the four circuit boards, the transfer electric cylinder 222 moves the circuit boards to the front and back detection assembly 21, the front and back detectors on the front and back detection assembly 21 detect the front and back sides, the right second transfer module 224 conveys the circuit boards on the front and back detection assembly 21 to the first turnover conveying module 231 in the turnover positioning assembly 23, and if the circuit boards are front, the right third transfer module 224 directly conveys the four circuit boards to the laser marking device 3; if the circuit boards are reverse, the turnover conveying motor 23113 drives the four circuit boards to be conveyed backwards to the second turnover conveying support 2312, the cross turnover frame 2333 on the turnover module 233 sucks the four circuit boards and clockwise rotates through the turnover motor 2331 to place the four circuit boards on the second turnover conveying support 2312 of the second turnover conveying module 232, the turnover conveying motor 23113 of the second turnover conveying module 232 drives the four circuit boards to move forwards, and finally the four circuit boards are transferred to the laser marking device 3 through the transfer module 224 at the left end;

the positioning detection device solves the problems that the existing turnover device is too complex, the circuit board is easy to drop and the alarm is often mistaken. The front and back detection assembly 21 is convenient for circuit board detection and smooth transfer, so that the transfer efficiency and the overall processing efficiency of the circuit board are improved, and the accumulation of the circuit board is also prevented; the transfer assembly 22 is convenient for more circuit boards to be sucked simultaneously, and has stronger stability in the transfer process, so that the firmness of the circuit boards in the transfer process is improved; be convenient for overturn the polylith circuit board simultaneously through upset locating component 23 to carry deflector roll 23111 through cross roll-over frame 2333 and many upsets and insert empty setting, the structure is ingenious when saving equipment space, is convenient for absorb the upset, promotes whole upset efficiency and upset stability.

Claims

1. A turnover positioning component for processing a PCB is characterized by comprising a first turnover conveying module (231), a second turnover conveying module (232) and a turnover module (233); the first overturning conveying module (231) and the second overturning conveying module (232) are arranged on the transfer overturning support frame in parallel, the overturning module (233) is positioned between the first overturning conveying module (231) and the second overturning conveying module (232), the overturning module (233) is matched with the first overturning conveying module (231) and the second overturning conveying module (232) for overturning, and the overturning module (233) comprises an overturning motor (2331), an overturning shaft (2332) and a cross-shaped overturning frame (2333); the turnover motor (2331) is arranged between the first turnover conveying module (231) and the second turnover conveying module (232), the turnover shaft (2332) is connected with the turnover motor (2331), the cross-shaped turnover frame (2333) is sleeved on the turnover shaft (2332), and each turnover branch frame (2334) of the cross-shaped turnover frame (2333) is provided with a plurality of turnover matching neutral stops (2335); each overturning matching neutral position (2335) is correspondingly matched with each overturning conveying guide roller (23111), and the outer end of each overturning branch frame (2334) is provided with a plurality of overturning suction heads (23341).

2. The turnover positioning assembly of claim 1, wherein the first turnover conveying module (231) and the second turnover conveying module (232) are symmetrically arranged and have the same structure.

3. The turnover positioning assembly of claim 1, wherein the first turnover conveying module (231) comprises a first turnover conveying bracket (2311), a second turnover conveying bracket (2312) and a turnover conveying engagement bracket (2313); a plurality of overturning conveying guide rollers (23111) which are regularly and parallelly arranged are arranged on the first overturning conveying bracket (2311); each overturning and conveying guide roller (23111) is provided with a plurality of limit convex rings (23121) which are regularly arranged; one end of each overturning conveying guide roller (23111) is connected with an overturning conveying gear (23112), any two adjacent overturning conveying gears (23112) are connected through an overturning conveying conveyor belt, and any one overturning conveying gear (23112) in the plurality of overturning conveying gears (23112) is connected with an overturning conveying motor (23113); the overturning conveying connection support (2313) is positioned between the first overturning conveying support (2311) and the second overturning conveying support (2312), and a plurality of overturning conveying connection limiting blocks which are regularly arranged are arranged on the overturning conveying connection support (2313).

4. The turnover positioning assembly of claim 3, wherein the distance between two adjacent turnover conveying engagement stoppers is the same as the distance between two adjacent limiting convex rings (23121).

5. The turnover positioning assembly of claim 1, wherein a supporting and limiting cylinder (2314) is disposed under the turnover conveying guide rollers (23111), and a supporting and limiting frame (2315) is disposed on the top of the supporting and limiting cylinder (2314).

6. The turnover positioning component for PCB processing of claim 5, wherein the supporting and limiting frame (2315) is provided with a plurality of limiting partition plates (2316) which are regularly and parallelly arranged.

7. The turnover positioning assembly of claim 6, wherein each of the limiting partitions (2316) is provided with a plurality of circuit board conveying neutral stops (2317), and each of the limiting partitions (2316) is located between two turnover conveying guide rollers (23111).

8. The flip positioning assembly of claim 7, wherein each board feeding recess (2317) is aligned with and has the same width as the distance between each two adjacent limit protruding rings (23121).

9. The utility model provides a method for positioning PCB circuit board, characterized in that, drive four circuit boards through upset conveying motor (23113) and carry backward to second upset conveying support (2312), through cross roll-over stand (2333) on upset module (233) with four circuit boards absorption and through turnover motor (2331) clockwise rotation with four circuit boards place second upset conveying support (2312) at second upset conveying module (232), drive four circuit boards forward through the upset conveying motor (23113) of second upset conveying module (232).

10. A transfer and turnover device for processing PCB is characterized in that the device comprises a transfer and turnover support frame (20), a front and back detection assembly (21), a transfer assembly (22) and a turnover positioning assembly (23) as claimed in claim 1.