Separating mechanism for reflow soldering jig and PCB (printed circuit board)

Abstract

The utility model relates to the technical field of PCB conveying and separating, in particular to a separating mechanism for a reflow soldering jig and a PCB, which comprises a machine table, a double-row belt conveyor, a first double-row synchronous belt conveyor, a Y-direction adjusting assembly, a second double-row synchronous belt conveyor, a jacking mechanism and two pressing mechanisms. After the jig attached with the PCB is conveyed to the tail end of the second double-row synchronous belt conveyor, the two pressing mechanisms are matched to press the jig attached with the PCB, and the jacking mechanism jacks the jig attached with the PCB and penetrates through the jig to jack the PCB, so that the PCB is separated from the jig; the Y-direction adjusting assembly drives the second double-row synchronous belt conveyor to increase the width so that the no-load jig can be brought to the double-row belt conveyor along with descending and resetting of the jacking mechanism, and then the no-load jig is conveyed and recycled by the double-row belt conveyor. A large amount of manpower is saved, and secondary use of the jig is effectively prevented from being affected by the fact that hands are prone to contact with the double-faced adhesive tape of the jig in the separation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board conveying separation technical field, concretely relates to a separation mechanism of reflow soldering fixture and PCB board. BACKGROUND

[0002] PCB (Printed Circuit Board), Chinese name is printed circuit board, also called printed wiring board, is important electronic component, is the support body of electronic components, is the carrier of electronic components electrical interconnection. In the PCB production and processing process, need to pass through reflow soldering patch and PCB board division etc. Re-flow soldering patch is the process that the component on the whole edition printed circuit board (PCB) pre-coated with solder paste is welded together through heating. PCB board division is the process that a complete PCB board is divided into multiple separate functional units according to design requirements.

[0003] The existing reflow soldering patch and PCB board mostly adopt mechanization processing, usually with the aid of the fixture with double-sided adhesive tape to adhere PCB board in the reflow soldering patch process, so as to stabilize the conveying / processing PCB board, however, the reflow soldering fixture used for reflow soldering patch is not applicable to the PCB board division process, therefore, the fixture with double-sided adhesive tape needs to be separated from the PCB board, and then be transferred to the fixture of PCB board division, the existing reflow soldering fixture needs to be separated manually, which needs to consume a lot of manpower, and the hand is easy to contact the double-sided adhesive tape of the fixture, thereby affecting the secondary use of the fixture. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a separation mechanism of reflow soldering fixture and PCB board.

[0005] The purpose of the utility model is realized by the following technical scheme: a separation mechanism of reflow soldering fixture and PCB board, including machine table, double-belt conveyor connected to the top of machine table, first double synchronous belt conveyor erected at one end of the top of double-belt conveyor, Y-direction adjusting assembly erected at the other end of the top of double-belt conveyor, second double synchronous belt conveyor slidingly connected with Y-direction adjusting assembly and connected with the discharge end of first double synchronous belt conveyor, jacking mechanism connected to the bottom of the other end of double-belt conveyor, and two pressing mechanisms connected to the two sides of the other end of double-belt conveyor respectively, first double synchronous belt conveyor and second double synchronous belt conveyor are used for conveying the fixture with adhered PCB board, two pressing mechanisms are used for pressing the fixture with adhered PCB board, jacking mechanism is used for supporting the fixture with adhered PCB board and jacking PCB board through the fixture, Y-direction adjusting assembly is used for driving the width of second double synchronous belt conveyor, double-belt conveyor is used for conveying empty-load fixture.

[0006] Preferably, the jacking mechanism comprises a first support connected to the bottom of the other end of the double-belt conveyor, a bracket rod fixedly connected to the bottom of the first support, a second support fixedly connected to the bracket rod, a rotary driving assembly connected to the second support, a lead screw connected to the second support and the first support through a bearing, a transmission nut threadedly engaged with the lead screw, a four-column jacking frame fixedly connected to the transmission nut and penetrating the first support, a jacking plate fixedly connected to the top of the four-column jacking frame, and a plurality of jacking pins fixedly connected to the jacking plate, the rotary driving assembly being configured to drive the lead screw to rotate, and the jacking plate being configured to support the jig with the PCB plate attached thereto, and the plurality of jacking pins being configured to penetrate the jig and jack up the PCB plate.

[0007] Preferably, the rotary driving assembly comprises a servo motor fixedly connected to the second support, a driving wheel fixedly connected to the output end of the servo motor, a driven wheel fixedly connected to the bottom end of the lead screw, and a transmission belt connecting the driving wheel and the driven wheel.

[0008] Preferably, the double-belt conveyor is provided with a first air cylinder seat on both sides of the other end, and the pressing mechanism comprises a first telescopic air cylinder connected to the top of the first air cylinder seat, a push plate connected to the output end of the first telescopic air cylinder, and two pressing plates fixedly connected to the two ends of the push plate, the pressing plates being configured to press the jig with the PCB plate attached thereto.

[0009] Preferably, the Y-direction adjusting assembly comprises a bracket erected on the other end of the top of the double-belt conveyor, Y-direction slide rails fixedly connected to the two ends of the bracket, respectively, a first slide block slidingly connected to the Y-direction slide rails and fixedly connected to the bottom of the first column of the second double-column synchronous belt conveyor, a second slide block slidingly connected to the Y-direction slide rails and fixedly connected to the bottom of the second column of the second double-column synchronous belt conveyor, a second telescopic air cylinder connected to a first air cylinder seat, and a lead screw stepper motor connected to another first air cylinder seat, the output end of the second telescopic air cylinder being fixedly connected to the side wall of the first column of the second double-column synchronous belt conveyor, and the output end of the lead screw stepper motor being connected to the side wall of the second column of the second double-column synchronous belt conveyor through a bearing.

[0010] Preferably, the double-belt conveyor is provided with a jig stop plate fixedly connected to one end, and a jig material taking plate fixedly connected to the side of the one end of the double-belt conveyor.

[0011] The utility model discloses beneficial effect lies in: the utility model discloses the separation mechanism of reflow soldering fixture and PCB, adopt machine table, double -row belt conveyor, erect the first double -row synchronous belt conveyor in double -row belt conveyor top one end, erect Y -adjusting component in double -row belt conveyor top the other end, with Y -adjusting component sliding connection and with the second double -row synchronous belt conveyor of first double -row synchronous belt conveyor discharge end concatenation, connect in double -row belt conveyor other end bottom's jacking mechanism and two respectively connect in double -row belt conveyor other end both sides's press tightly mechanism, when using, first double -row synchronous belt conveyor and second double -row synchronous belt conveyor are in proper order and transport the fixture that has pasted together with PCB, after conveying to second double -row synchronous belt conveyor end, two press tightly mechanism cooperation press tightly the fixture that has pasted together with PCB to prevent PCB from being jacked up process together with the fixture rising, jacking mechanism props the fixture that has pasted together with PCB and penetrates the fixture jacks up PCB, makes PCB and fixture separate, at this moment can take away the PCB that removes with the help of existing mechanical hand equipment, Y -adjusting component drive makes the width of second double -row synchronous belt conveyor increase so that the empty load fixture is taken to double -row belt conveyor with jacking mechanism descending reset, again by double -row belt conveyor conveying recycling reuse again;The separation mechanism of reflow soldering fixture and PCB saves a lot of manpower, effectively avoid the double -sided adhesive of the fixture that the hand easily contacts during the separation process and influence the fixture secondary use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structural schematic diagram of the utility model;

[0013] Fig. 2 It is the structural schematic diagram of another view of the utility model;

[0014] Fig. 3 It is the structural schematic diagram of still another view of the utility model;

[0015] The figure mark is: 1, machine table;2, double -row belt conveyor;3, first double -row synchronous belt conveyor;4, Y -adjusting component;41, support;42, Y -direction sliding rail;43, first sliding block;44, second sliding block;45, second telescopic cylinder;46, screw stepper motor;5, second double -row synchronous belt conveyor;6, jacking mechanism;61, first support;62, frame rod;63, second support;64, rotary drive component;641, servo motor;642, driving wheel;643, driven wheel;644, transmission belt;65, screw;66, transmission nut;67, four -column jacking frame;68, jacking plate;69, thimble;7, press tightly mechanism;71, first telescopic cylinder;72, push plate;73, press plate;8, first cylinder seat;9, fixture stop plate;10, fixture material taking plate. DETAILED DESCRIPTION

[0016] For the convenience of those skilled in the art to understand, the following will be further described with the embodiments and the drawings, the content mentioned in the embodiments is not a limitation of the utility model.

[0017] As shown in Figs. 1-3 A reflow soldering jig and PCB separation mechanism, including machine table 1, connected to the top of the double belt conveyor 2, erected in the top of the double belt conveyor 2 one end of the first double synchronous belt conveyor 3, erected in the top of the double belt conveyor 2 the other end of the Y direction adjustment assembly 4, and the second double synchronous belt conveyor 5 is connected with the Y direction adjustment assembly 4 sliding connection and with the first double synchronous belt conveyor 3 discharge end link, connected to the other end of the double belt conveyor 2 bottom of the jacking mechanism 6, and two respectively connected to the other end of the double belt conveyor 2 both sides of the pressing mechanism 7, the first double synchronous belt conveyor 3 and the second double synchronous belt conveyor 5 are used for conveying the jig with the PCB board, two pressing mechanism 7 is used for pressing the jig with the PCB board, the jacking mechanism 6 is used for supporting the jig with the PCB board and penetrating the jig lifting PCB board, the Y direction adjustment assembly 4 is used for driving the adjustment of the width of the second double synchronous belt conveyor 5, the double belt conveyor 2 is used for conveying the empty load jig.

[0018] The reflow soldering jig and PCB separation mechanism is used, the first double synchronous belt conveyor 3 and the second double synchronous belt conveyor 5 convey the jig with the PCB board in turn, after conveying to the end of the second double synchronous belt conveyor 5, two pressing mechanism 7 cooperates to press the jig with the PCB board to prevent the PCB board from being lifted together with the jig in the process of lifting, the jacking mechanism 6 supports the jig with the PCB board and penetrates the jig to lift the PCB board, so that the PCB board and the jig are separated, at this time, the existing mechanical hand and other equipment can be used to take away the transferred PCB board, the Y direction adjustment assembly 4 is driven to increase the width of the second double synchronous belt conveyor 5 so that the empty load jig is brought to the double belt conveyor 2 with the jacking mechanism 6 descending reset, and then the double belt conveyor 2 is used for conveying recycling; The reflow soldering jig and PCB separation mechanism saves a lot of manpower, effectively avoids the influence of the double-sided adhesive tape of the jig during the separation process, and affects the secondary use of the jig. In the embodiment, the double belt conveyor 2, the first double synchronous belt conveyor 3 and the second double synchronous belt conveyor 5 are all prior art, which will not be described here.

[0019] Further, the jacking mechanism 6 comprises a first support 61 connected to the bottom of the other end of the double-belt conveyor 2, a bracket 62 fixedly connected to the bottom of the first support 61, a second support 63 fixedly connected to the bracket 62, a rotary driving assembly 64 connected to the second support 63, a lead screw 65 connected to the second support 63 and the first support 61 through bearings, a transmission nut 66 threadedly engaged with the lead screw 65, four guide column jacking frames 67 fixedly connected to the transmission nut 66 and penetrating the first support 61, a jacking plate 68 fixedly connected to the top of the four guide column jacking frames 67, and a plurality of jacking pins 69 fixedly connected to the jacking plate 68. The rotary driving assembly 64 is used to drive the lead screw 65 to rotate, and the jacking plate 68 is used to support the jig with the PCB plate attached thereto. The plurality of jacking pins 69 are engaged to penetrate the jig and jack up the PCB plate. In use, the rotary driving assembly 64 drives the lead screw 65 to rotate, drives the transmission nut 66 to ascend, and finally makes the jacking plate 68 abut against the bottom of the jig, and the jacking pins 69 penetrate the jig and jack up the PCB plate, so that the jig is separated from the PCB plate.

[0020] Further, the rotary driving assembly 64 comprises a servo motor 641 fixedly connected to the second support 63, a driving wheel 642 fixedly connected to the output end of the servo motor 641, a driven wheel 643 fixedly connected to the bottom end of the lead screw 65, and a transmission belt 644 connecting the driving wheel 642 and the driven wheel 643.

[0021] Further, the other end of the double-belt conveyor 2 is connected with a first cylinder seat 8 on both sides, and the pressing mechanism 7 comprises a first telescopic cylinder 71 connected to the top of the first cylinder seat 8, a push plate 72 connected to the output end of the first telescopic cylinder 71, and two pressing plates 73 fixedly connected to the two ends of the push plate 72. The pressing plates 73 are used to press the jig with the PCB plate attached thereto. In use, the first telescopic cylinder 71 drives the push plate 72 to drive the pressing plates 73 to abut against the jig with the PCB plate attached thereto, and the two pressing plates 73 on both sides of the double-belt conveyor 2 simultaneously press the jig with the PCB plate attached thereto, so as to prevent the jig from being lifted together with the PCB plate in the jacking process.

[0022] Further, the Y-direction adjusting assembly 4 comprises a support 41 arranged on the other end of the top of the double-belt conveyor 2, Y-direction slide rails 42 fixedly connected to the two ends of the support 41 respectively, a first slide block 43 slidably connected to the Y-direction slide rails 42 and fixedly connected to the bottom of the first column of the second double-column synchronous belt conveyor 5, a second slide block 44 slidably connected to the Y-direction slide rails 42 and fixedly connected to the bottom of the second column of the second double-column synchronous belt conveyor 5, a second telescopic cylinder 45 connected to a first cylinder seat 8, and a lead screw 65 stepper motor 46 connected to another first cylinder seat 8, the output end of the second telescopic cylinder 45 is fixedly connected to the side wall of the first column of the second double-column synchronous belt conveyor 5, and the output end of the lead screw 65 stepper motor 46 is connected to the side wall of the second column of the second double-column synchronous belt conveyor 5 through a bearing. When the second double-column synchronous belt conveyor 5 needs to avoid the jig so as to be brought to the double-belt conveyor 2 with the jig descending and resetting by the jacking mechanism 6, the second telescopic cylinder 45 and the lead screw 65 stepper motor 46 are retracted, so that the first column and the second column of the second double-column synchronous belt conveyor 5 are away from each other, thereby forming a space for avoiding the jig.

[0023] Further, one end of the double-belt conveyor 2 is fixedly connected with a jig stop plate 9, and the side surface of the machine table 1 located at one end of the double-belt conveyor 2 is fixedly connected with a jig taking plate 10. The empty jig is conveyed by the double-belt conveyor 2 from the other end to the one end, and then taken out from the jig taking plate 10 by manual operation; the jig stop plate 9 is beneficial to prevent the empty jig from falling off from the double-belt conveyor 2.

[0024] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can also be implemented in other ways, and any obvious replacement without departing from the concept of the present application is within the protection scope of the present application.

Claims

1. A reflow soldering fixture and PCB board separation mechanism, characterized by: The device comprises a machine table, a double-belt conveyor connected to the top of the machine table, a first double synchronous belt conveyor erected at one end of the top of the double-belt conveyor, a Y-direction adjusting assembly erected at the other end of the top of the double-belt conveyor, a second double synchronous belt conveyor in sliding connection with the Y-direction adjusting assembly and in connection with the discharge end of the first double synchronous belt conveyor, a jacking mechanism connected to the bottom of the other end of the double-belt conveyor, and two pressing mechanisms respectively connected to the two sides of the other end of the double-belt conveyor, the first double synchronous belt conveyor and the second double synchronous belt conveyor are used for conveying jigs with PCB boards, the two pressing mechanisms are used for pressing the jigs with PCB boards, the jacking mechanism is used for supporting the jigs with PCB boards and jacking the PCB boards, the Y-direction adjusting assembly is used for driving the adjustment of the width of the second double synchronous belt conveyor, and the double-belt conveyor is used for conveying empty jigs.

2. The reflow soldering fixture and PCB board separation mechanism of claim 1, wherein: The jacking mechanism comprises a first support connected to the bottom of the other end of the double-belt conveyor, a bracket fixedly connected to the bottom of the first support, a second support fixedly connected to the bracket, a rotary driving assembly connected to the second support, a lead screw connected to the second support and the first support through a bearing, a transmission nut in screw connection with the lead screw, four guide column jacking frames fixedly connected to the transmission nut and penetrating the first support, a jacking plate fixedly connected to the top of the four guide column jacking frames, and a plurality of jacking pins fixedly connected to the jacking plate, the rotary driving assembly is used for driving the rotation of the lead screw, the jacking plate is used for supporting the jigs with PCB boards, and the plurality of jacking pins are used for penetrating the jigs and jacking the PCB boards.

3. The reflow soldering fixture and PCB board separation mechanism of claim 2, wherein: The rotary driving assembly comprises a servo motor fixedly connected to the second support, a driving wheel fixedly connected to the output end of the servo motor, a driven wheel fixedly connected to the bottom end of the lead screw, and a transmission belt connecting the driving wheel and the driven wheel.

4. The reflow soldering fixture and PCB board separation mechanism of claim 1, wherein: The two sides of the other end of the double-belt conveyor are connected with first cylinder seats, the pressing mechanism comprises a first telescopic cylinder connected to the top of the first cylinder seat, a push plate connected to the output end of the first telescopic cylinder, and two pressing plates fixedly connected to the two ends of the push plate, and the pressing plates are used for pressing the jigs with PCB boards.

5. The reflow soldering fixture and PCB board separation mechanism of claim 4, wherein: The Y-direction adjusting assembly comprises a bracket erected at the other end of the top of the double-belt conveyor, Y-direction sliding rails fixedly connected to the two ends of the bracket, a first sliding block in sliding connection with the Y-direction sliding rails and fixedly connected to the bottom of the first column of the second double synchronous belt conveyor, a second sliding block in sliding connection with the Y-direction sliding rails and fixedly connected to the bottom of the second column of the second double synchronous belt conveyor, a second telescopic cylinder connected to one first cylinder seat, and a lead screw stepping motor connected to the other first cylinder seat, the output end of the second telescopic cylinder is fixedly connected to the side wall of the first column of the second double synchronous belt conveyor, and the output end of the lead screw stepping motor is connected to the side wall of the second column of the second double synchronous belt conveyor through a bearing.

6. The reflow soldering fixture and PCB board separation mechanism of claim 1, wherein: One end of the double-belt conveyor is fixedly connected with a jig stop plate, and the machine table is fixedly connected with a jig taking plate on the side surface of one end of the double-belt conveyor.

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