Telescopic buffering plate taking mechanism

Abstract

The utility model relates to the technical field of devices for sucking PCBA (printed circuit board assembly), in particular to a telescopic buffer board taking mechanism, which adopts a vertical fixed seat, a sliding frame connected with the vertical fixed seat in a Z-direction sliding manner, a sucking disc assembly connected with the sliding frame in a quick-changing and matching manner, and an elastic buffer piece connected with the vertical fixed seat and the sliding frame, when the telescopic buffering plate taking mechanism is pressed downwards until the suction cup assembly abuts against and sucks the PCBA, if the vertical fixing base is excessively pressed downwards, the sliding frame and the suction cup assembly can slide upwards relative to the vertical fixing base more easily under the action of the elastic buffering piece, and the PCBA is prevented from being damaged due to the fact that the downward pressing force of the suction cup assembly is too large; in addition, the sliding frame is detachably and rapidly connected with the suction cup assembly through the rapid replacement module, so that suction cup assemblies of other specifications can be rapidly replaced to adapt to suction of PCBAs of corresponding specifications, and the situation that the production efficiency is reduced due to too long shutdown time is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the device technical field for sucking PCBA, specifically relates to a telescopic buffer plate taking mechanism. BACKGROUND

[0002] In the production process of PCBA (printed circuit board), sucking and transferring is a key step, which relates to moving PCBA from one workstation or process to another workstation or process. The commonly used sucking and transferring method in this process mainly includes vacuum sucking, using vacuum pump to generate negative pressure, sucking PCBA through suction cup or suction nozzle, and realizing the movement of PCBA by using air pressure difference.

[0003] In the process of sucking PCBA, the plate taking mechanism needs to be pressed down by the driving mechanism such as telescopic air cylinder and linear module, so that the suction cup is pressed on the surface of PCBA, so as to ensure that there is no air leakage between the suction cup and PCBA. However, when the suction cup presses PCBA, it is easy to cause PCBA damage due to excessive pressing force. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a telescopic buffer plate taking mechanism.

[0005] The utility model discloses a telescopic buffer plate taking mechanism, including vertical fixed base, with vertical fixed base Z direction sliding connection's sliding frame, with quick change cooperation and connection's suction cup subassembly of sliding frame, and the elastic buffer piece of connecting vertical fixed base and sliding frame, the sliding frame is through quick change module and suction cup subassembly can be detached quick connection.

[0006] Preferably, the elastic buffer piece is a tension spring, and the two ends of the tension spring are connected with the vertical fixed base and the sliding frame respectively.

[0007] Preferably, the vertical fixed base includes a vertical assembly plate, a first fixed block fixedly connected with the vertical assembly plate, and a first screw fixedly connected with the first fixed block, one end of the elastic buffer piece is connected with the first screw.

[0008] Preferably, the telescopic buffer plate taking mechanism further includes a Z-direction sliding rail fixedly connected with the vertical assembly plate, and a sliding block in sliding cooperation with the Z-direction sliding rail, the sliding block is fixedly connected with the sliding frame.

[0009] Preferably, the sliding frame includes a sliding plate in Z-direction sliding connection with the vertical fixed base, a fixed plate fixedly connected with the bottom of the sliding plate, and a second screw fixedly connected with the side of the sliding plate away from the vertical fixed base, the other end of the elastic buffer piece is connected with the second screw, and the fixed plate is detachably and quickly connected with the suction cup subassembly through the quick change module.

[0010] Preferably, the vertical fixing base further comprises a second fixing block fixedly connected with the vertical assembly plate, and a lengthened screw penetrating through the second fixing block, the sliding frame further comprises a third fixing block connected with the sliding plate, the third fixing block is provided with a threaded hole, and the threaded end of the lengthened screw is fixedly screwed with the threaded hole of the third fixing block.

[0011] Preferably, the suction disc assembly comprises a quick-change frame, a suction disc base fixedly connected with the quick-change frame, and a plurality of suction disc bodies communicated with the bottom of the suction disc base, and the quick-change frame is detachably and quickly connected with the fixed plate through a quick-change module.

[0012] Preferably, the quick-change module comprises a quick-locking device and a locking device cam sleeve in quick-locking cooperation with the quick-locking device, the locking device cam sleeve is fixedly connected with the fixed plate, and the quick-locking device is fixedly connected with the quick-change frame.

[0013] The beneficial effects of the utility model lie in that the telescopic buffer plate taking mechanism of the utility model adopts a vertical fixing base, a sliding frame in Z-direction sliding connection with the vertical fixing base, a suction disc assembly in quick-change cooperation connection with the sliding frame, and an elastic buffer connecting the vertical fixing base and the sliding frame, when the telescopic buffer plate taking mechanism is pressed down to the suction disc assembly to press and take PCBA, if the vertical fixing base is pressed down excessively, the sliding frame and the suction disc assembly are more easily made to slide upward relative to the vertical fixing base under the action of the elastic buffer, avoiding that the suction disc assembly causes PCBA damage due to excessive pressing force, in addition, the sliding frame is detachably and quickly connected with the suction disc assembly through a quick-change module, so as to quickly replace other specifications of the suction disc assembly to adapt to taking corresponding specifications of PCBA, avoiding that the production efficiency is reduced due to too long downtime. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is the structural schematic diagram of the utility model;

[0015] Fig. 2 is the local partial exploded schematic diagram of the utility model;

[0016] The figure mark is: 1, elastic buffer, 2, vertical fixing base, 21, vertical assembly plate, 22, first fixing block, 23, first bolt, 24, second fixing block, 25, lengthened screw, 3, sliding frame, 31, sliding plate, 32, fixed plate, 33, second bolt, 34, third fixing block, 4, quick-change module, 41, quick-locking device, 42, locking device cam sleeve, 5, suction disc assembly, 51, quick-change frame, 52, suction disc base, 53, suction disc body, 6, Z-direction slide rail, 7, sliding block, 8, threaded hole. DETAILED DESCRIPTION

[0017] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0018] like Figs. 1-2 As shown, a telescopic buffer plate-retrieving mechanism includes a vertical fixed base 2, a sliding frame 3 that is slidably connected to the vertical fixed base 2 in the Z direction, a suction cup assembly 5 that is quickly connected to the sliding frame 3, and an elastic buffer 1 that connects the vertical fixed base 2 and the sliding frame 3. The sliding frame 3 is detachably and quickly connected to the suction cup assembly 5 through a quick-change module 4.

[0019] This telescopic buffer board-picking mechanism employs a vertical fixed base 2, a sliding frame 3 slidably connected to the vertical fixed base 2 in the Z direction, a suction cup assembly 5 quickly connected to the sliding frame 3, and an elastic buffer 1 connecting the vertical fixed base 2 and the sliding frame 3. When the telescopic buffer board-picking mechanism presses down until the suction cup assembly 5 presses against and picks up the PCBA, if the vertical fixed base 2 is excessively pressed down, the elastic buffer 1 will make it easier for the sliding frame 3 and the suction cup assembly 5 to slide upward relative to the vertical fixed base 2, preventing damage to the PCBA due to excessive downward pressure on the suction cup assembly 5. In addition, the sliding frame 3 is detachably and quickly connected to the suction cup assembly 5 through a quick-change module 4, so as to quickly replace other specifications of suction cup assembly 5 to pick up the corresponding specifications of PCBA, avoiding excessive downtime and reduced production efficiency.

[0020] Furthermore, the elastic buffer 1 is a tension spring, with its two ends connected to the vertical mounting base 2 and the sliding frame 3, respectively. The tension spring bears axial tension, which helps the sliding frame 3 and the suction cup assembly 5 to slide upward relative to the vertical mounting base 2 more easily when the vertical mounting base 2 is excessively pressed down, thus preventing the suction cup assembly 5 from being damaged by excessive downward pressure on the PCBA.

[0021] Furthermore, the vertical mounting base 2 includes a vertical mounting plate 21, a first fixing block 22 fixedly connected to the vertical mounting plate 21, and a first bolt 23 fixedly connected to the first fixing block 22. One end of the elastic buffer member 1 is connected to the first bolt 23. The vertical mounting plate 21 is used to cooperate with an existing drive mechanism so that the telescopic buffer plate taking mechanism can be driven to move up and down by means of the drive mechanism.

[0022] Furthermore, the telescopic buffer plate-removing mechanism also includes a Z-axis slide rail 6 fixedly connected to the vertical assembly plate 21, and a slider 7 that slides with the Z-axis slide rail 6. The slider 7 is fixedly connected to the sliding frame 3, that is, the sliding frame 3 is slidably connected to the vertical assembly plate 21 through the cooperation of the Z-axis slide rail 6 and the slider 7.

[0023] Further, the sliding frame 3 comprises a sliding plate 31 slidably connected with the vertical fixing base 2Z, a fixing plate 32 fixedly connected with the bottom of the sliding plate 31, and a second bolt 33 fixedly connected with the side of the sliding plate 31 away from the vertical fixing base 2, the other end of the elastic buffer 1 being connected with the second bolt 33, and the fixing plate 32 being detachably and quickly connected with the suction disc assembly 5 through the quick-change module 4.

[0024] Further, the vertical fixing base 2 further comprises a second fixing block 24 fixedly connected with the vertical assembly plate 21, and an elongated screw 25 movably penetrating through the second fixing block 24, and the sliding frame 3 further comprises a third fixing block 34 connected with the sliding plate 31, the third fixing block 34 being provided with a threaded hole 8, and the threaded end of the elongated screw 25 being threadedly fixed with the threaded hole 8 of the third fixing block 34; the elongated screw 25 movably penetrating through the second fixing block 24 and threadedly fixed with the third fixing block 34, so as to limit the lifting range of the sliding frame 3, and facilitate avoiding dislocation of the sliding frame 3.

[0025] Further, the suction disc assembly 5 comprises a quick-change frame 51, a suction disc seat 52 fixedly connected with the quick-change frame 51, and a plurality of suction disc bodies 53 communicated with the bottom of the suction disc seat 52, the quick-change frame 51 being detachably and quickly connected with the fixing plate 32 through the quick-change module 4.

[0026] Further, the quick-change module 4 comprises a quick locking device 41 and a locking device cam sleeve 42 quickly and lockingly matched with the quick locking device 41, the locking device cam sleeve 42 being fixedly connected with the fixing plate 32, and the quick locking device 41 being fixedly connected with the quick-change frame 51; the quick locking device 41 and the locking device cam sleeve 42 are matched components, for example, the quick locking device 41 is selected from model QCTHA0525-10-SUS, and the locking device cam sleeve 42 is selected from model QCTH0525-N, so as to realize quick and locking matching.

[0027] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, under the premise of not departing from the utility model concept, any obvious replacement is within the protection scope of the utility model.

Claims

1. A telescopic buffer plate-retrieving mechanism, characterized in that: It includes a vertical mounting base, a sliding frame that is slidably connected to the vertical mounting base in the Z direction, a suction cup assembly that is quickly connected to the sliding frame, and an elastic buffer connecting the vertical mounting base and the sliding frame. The sliding frame is detachably and quickly connected to the suction cup assembly through a quick-change module.

2. The telescopic buffer plate-retrieving mechanism according to claim 1, characterized in that: The elastic buffer is a tension spring, and the two ends of the tension spring are connected to the vertical fixed base and the sliding frame, respectively.

3. The telescopic buffer plate-retrieving mechanism according to claim 1, characterized in that: The vertical mounting base includes a vertical assembly plate, a first fixing block fixedly connected to the vertical assembly plate, and a first bolt fixedly connected to the first fixing block, with one end of the elastic buffer member connected to the first bolt.

4. The telescopic buffer plate-retrieving mechanism according to claim 3, characterized in that: The telescopic buffer plate-retrieving mechanism also includes a Z-axis slide rail fixedly connected to the vertical assembly plate, and a slider that slides with the Z-axis slide rail, the slider being fixedly connected to the sliding frame.

5. The telescopic buffer plate-retrieving mechanism according to claim 3, characterized in that: The sliding frame includes a sliding plate that is slidably connected to the vertical fixed base in the Z direction, a fixed plate that is fixedly connected to the bottom of the sliding plate, and a second bolt that is fixedly connected to the side of the sliding plate away from the vertical fixed base. The other end of the elastic buffer is connected to the second bolt. The fixed plate is detachably and quickly connected to the suction cup assembly through a quick-change module.

6. The telescopic buffer plate-retrieving mechanism according to claim 5, characterized in that: The vertical mounting base also includes a second fixing block fixedly connected to the vertical mounting plate, and an extension screw that moves through the second fixing block. The sliding frame also includes a third fixing block connected to the sliding plate. The third fixing block has a screw hole, and the threaded end of the extension screw is threadedly engaged with the screw hole of the third fixing block for fixation.

7. The telescopic buffer plate-retrieving mechanism according to claim 5, characterized in that: The suction cup assembly includes a quick-change frame, a suction cup base fixedly connected to the quick-change frame, and multiple suction cup bodies connected to the bottom of the suction cup base. The quick-change frame is detachably and quickly connected to the fixing plate through a quick-change module.

8. The telescopic buffer plate-retrieving mechanism according to claim 7, characterized in that: The quick-change module includes a quick-locking device and a locking cam sleeve that engages with the quick-locking device for quick-change locking. The locking cam sleeve is fixedly connected to a fixed plate, and the quick-locking device is fixedly connected to the quick-change frame.

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