CN206960604U - A high-precision plug-in automatic testing machine - Google Patents

Abstract

The utility model provides a high accuracy plug automatic testing machine, including end box, move and carry the unit, the left and right sides of end box all is provided with guide rail A, moves and carries the unit and include riser, diaphragm, and both sides riser upper portion is provided with upper fixing base and lower fixing base, all runs through between upper fixing base and the lower fixing base and is provided with a lead screw, both sides fixedly connected with lower briquetting A between the screw-nut of lead screw; a motor is arranged on the vertical plate on one side, the power output end of the motor penetrates through the transverse plate and extends to the upper part of the transverse plate, and a driving synchronous wheel is sleeved at the position, above the transverse plate, of the power output end; the upper portions of the screw rods on the two sides penetrate through the transverse plate and extend to the upper portion of the transverse plate, the positions, located above the transverse plate, of the screw rods are all sleeved with driven synchronizing wheels, and the driving synchronizing wheels are in power connection with the driven synchronizing wheels through belts. The utility model has the advantages that: adopt synchronizing wheel and lead screw matched with structure, the transmission is accurate to the transmission is steady, thereby promotes the accuracy of displacement.

Description

A high-precision plug-in automatic testing machine

technical field

The utility model relates to the technical field of PCB board testing, in particular to a high-precision plug-in automatic testing machine.

Background technique

PCB (Printed Circuit Board), the Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component and a carrier for the electrical connection of electronic components. In order to ensure that the quality of products using PCB is absolutely guaranteed, the testing work after PCB production is very important.

China Authorized Announcement No. CN205958695U, the authorized announcement date is February 15, 2017, announced a new structure of PCB board automatic testing machine, including bottom box, transfer unit, tooling module unit and electric control box, left in the bottom box The side, right and front are respectively provided with a second guide rail, and a card slot assembly is slidably arranged on the second guide rail. The card slot assembly on the left, right and front is surrounded by a tooling module unit installation space, and the tooling module The unit is arranged in the installation space of the tooling module unit, the card slot assembly is provided with a plug-in unit, the transfer unit is provided with a pressing unit corresponding to the tooling module unit, and the electric control box is arranged at the front end of the bottom box. The electric control box includes a PLC controller arranged inside and control buttons arranged on the outer surface of the electric control box. Wherein, the pressing unit includes a second cylinder fixed on the upper surface of the transfer unit, the second cylinder is connected with a lower pressing block through a piston rod, and the lower surface of the lower pressing block is provided with a plurality of accommodation spaces for the PCB board. Corresponding pressure rod. During actual operation, the pressure rod is pressed down to contact the upper surface of the PCB board to be detected, and the PCB board to be detected is fixed in the PCB board accommodation space for detection. The contact area of the upper surface avoids affecting the detection effect because the contact surface between the pressure rod and the PCB board to be detected is too wide. The upper surface of the transfer unit is also provided with a guide rod that runs through the transfer unit and is connected to the upper surface of the lower pressing block. The guide rod is used for guiding when the second cylinder drives the lower pressing block to press down, so that the pressing action is more accurate. The smoothness ensures the accuracy of pressing down.

The defects of the above structure are: the lower pressing unit uses the cylinder to drive the piston rod to drive the lower pressing block to press down. The quality of the press down. In view of this situation, there is a need for a structure capable of solving the above-mentioned problems.

Utility model content

Based on this, the purpose of the utility model is to provide a high-precision plug-in automatic testing machine, by adjusting the structure of the pressing unit, thereby realizing stable pressing.

The utility model provides a high-precision plug-in automatic testing machine, which comprises a bottom box, a load transfer unit, a tooling module unit and an electric control box, the tooling module unit is arranged on the bottom box, and the electric control box is arranged on the bottom box The front end of the bottom box is provided with guide rails A on the left and right sides of the bottom box. The transfer unit includes vertical plates that are slidably connected to the guide rails A on both sides, and horizontal plates that connect the vertical plates on both sides. The vertical plates on both sides The inner side of the upper part is provided with an upper fixing seat and a lower fixing seat from top to bottom, and a wire rod is arranged between the upper fixing seat and the lower fixing seat, and the screw nuts of the screw rods on both sides are The lower pressing block A is fixedly connected, and the lower pressing block A is connected with the lower pressing block B through several guide columns. The lower pressing block B is set corresponding to the tooling module unit, and the lower surface of the lower pressing block B is provided with Pressure rod; a motor is provided at a position close to the upper fixing seat of the vertical plate on one side, the power output end of the motor runs through the horizontal plate and extends to the top of the horizontal plate, and the power output end is sleeved at the position above the horizontal plate There are active synchronous wheels; the upper parts of the screw rods on both sides pass through the horizontal plate and extend to the top of the horizontal plate, and the positions of the two screw rods above the horizontal plate are equipped with driven synchronous wheels, and the active synchronous wheels It is connected with each driven synchronous wheel through a belt power; the middle position of the lower pressing block A is provided with an HDMI plug-in assembly, and the HDMI plug-in assembly includes a support arm connected with the lower pressing block A. The supporting arm penetrates the lower pressing block B downwards and extends out of the lower pressing block B, and an HDMI plug-in unit is arranged under the supporting arm.

Further, guide rails B are arranged vertically at the positions corresponding to the upper and lower fixing seats of the vertical boards on both sides, respectively, and sliding rails B are arranged on the lower sides of the lower pressing block A at positions close to the vertical boards on both sides. Each of the sliders is connected to the guide rail B in a corresponding sliding manner.

Further, the guide rail A at one end of the bottom box is provided with a driving cylinder, the power output end of the driving cylinder is connected with a slider, and the slider is fixed to the bottom of the vertical plate on one side of the bottom box; the left side of the bottom box Guide rails C are respectively arranged on the side, right and front, and a card slot assembly is slidably arranged on the guide rail C. The card slot components on the left, right and front are surrounded by a tooling module unit installation space, and the card slot Several plug-in units are arranged on the assembly; the tooling module unit is arranged in the installation space of the tooling module unit.

Further, the electric control box includes a PLC controller arranged inside the electric control box and control buttons arranged on the outer surface of the electric control box.

Further, the tooling module unit includes a base and a carrier board arranged above the base, and a PCB board accommodating space is provided on the upper surface of the carrier board.

Further, a tension pulley is provided on the upper surface of the horizontal plate close to the driving synchronous pulley.

Further, the card slot assembly includes a card slot, a slider arranged under both ends of the card slot and connected to the guide rail C, and a drive cylinder fixed on the bottom box, and the power output end of the drive cylinder is connected to the bottom of the card slot through a connecting block. The connection between the card slot and the slider is connected by a connecting block, and the driving cylinder drives the card slot to move along the guide rail C toward the direction of the tooling module unit; each of the plug-in units is clamped on the card slot.

Further, the plug-in units are respectively configured as a network port test module, a TV port test module, an earphone test module, and a double-layer USB port test module.

Further, a needle plate is provided on the upper surface of the base at a position corresponding to the PCB board accommodation space, and a plurality of probes penetrating the carrier board are provided on the needle plate.

The beneficial effects of the utility model are:

1. The power output of the motor drives the two driven synchronous wheels to rotate synchronously through the belt, and the rotation of the two driven synchronous wheels synchronously drives the rotation of the screw rods on both sides, so as to realize the rising and pressing down of the lower pressing block A. The synchronous wheel and the The structure matched with the screw rod is accurate and stable in transmission, so that the lower pressing block A can achieve a smooth upward and downward movement, thereby improving the accuracy of displacement;

2. The vertical plates on both sides are respectively provided with guide rails B at the corresponding positions of the upper and lower fixed seats, and the lower sides of the lower pressing block A are respectively provided with sliders at positions close to the vertical plates on both sides. The above-mentioned sliders are all slidably connected with the guide rail B, thereby further ensuring the smoothness of rising and pressing down of the pressing block A.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is a perspective view of another angle of the utility model.

Fig. 3 is a front view of the utility model.

Fig. 4 is a perspective view of the transfer unit of the present invention.

Reference signs are: transfer unit 10, horizontal plate 11, vertical plate 12, dust cover 13, guide rail B14, plug unit 15, guide rail A16, control button 17, lower pressing block B18, guide column 19, electric control box 20. Lower pressing block A21, HDMI plug unit 22, pressing rod 23, belt 24, driven synchronous wheel 25, tensioning wheel 26, upper fixing seat 27, screw nut 28, screw rod 29, motor 30, lower fixing Seat 31, carrier board 32, slider 33, PCB board accommodation space 34, active synchronous wheel 35, driving cylinder 36, support arm 37, guide rail C38, card slot 39, bottom box 40, tooling module unit 41, connecting block 42.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Figures 1 to 4: a high-precision plug-in automatic testing machine, including a bottom box 40, a transfer unit 10, a tooling module unit 41 and an electric control box 20, and the tooling module unit 41 is arranged on the bottom box 40, the electric control box 20 is arranged at the front end of the bottom box 40, the left and right sides of the bottom box 40 are provided with guide rails A16, and the transfer unit 10 includes vertical plates slidingly connected with the guide rails A16 on both sides 12. Connect the horizontal plates 11 of the vertical plates 12 on both sides by screws. The upper and inner sides of the vertical plates 12 on both sides are provided with an upper fixing seat 27 and a lower fixing seat 31 from top to bottom. The upper fixing seat 27 and the lower fixing seat 31 are all fixed on the corresponding vertical plate 12 by screws, and a threaded rod 29 is provided through between the upper fixing seat 27 and the lower fixing seat 31, and the screw nut 28 of the screw rod 29 on both sides The lower pressing block A21 is fixedly connected between them, and the lower pressing block A21 is connected with the lower pressing block B18 through several guide columns 19, and the lower pressing block B18 is correspondingly arranged with the tooling module unit 41, and the lower pressing block B18 The surface is provided with several pressure rods 23; the vertical plate 12 on one side is provided with a motor 30 near the position of the upper fixing seat 27, the upper surface of the motor 30 is fixed to the lower surface of the horizontal plate 11, and one side of the motor 30 Fixed to one side of the vertical plate 12, the power output end of the motor 30 runs through the horizontal plate 11 and extends to the top of the horizontal plate 11, and the power output end is located above the horizontal plate 11. A driving synchronous wheel 35 is sleeved, The power output end is set as a transmission shaft; the upper parts of the screw rods 29 on both sides pass through the horizontal plate 11 and extend to the top of the horizontal plate 11, and the two screw rods 29 are sleeved at the positions above the horizontal plate 11 There is a driven synchronous wheel 25, the active synchronous wheel 35 and each driven synchronous wheel 25 are connected by a belt 24 power; the middle position of the lower pressure block A21 is provided with an HDMI plug-in assembly, and the HDMI plug-in The assembly includes a supporting arm 37 connected to the lower pressing block A21, the supporting arm 37 penetrates the lower pressing block B18 downwards and extends out of the lower pressing block B18, and the HDMI plug-in unit 22 is arranged under the supporting arm 37. The upper surface of the horizontal plate 11 is covered with a dust cover 13 .

The operating principle of the transfer unit 10 is: the power output of the motor 30, the power output end of the motor 30 drives the active synchronous wheel 35 to rotate, the active synchronous wheel 35 synchronously drives each driven synchronous wheel 25 to rotate through the belt 24, and each driven synchronous wheel 25 The rotation makes the screw mandrel 29 on both sides rotate, and the rotation of the screw mandrel 29 makes the screw nut 28 rise or fall synchronously. The column 19 drives the lower pressing block B18 to move up and down, so as to realize the action of pressing down or rising. The synchronous wheel and the screw rod are adopted to ensure accurate transmission and stable transmission, so that the lower pressing block A can achieve smooth rising and lowering actions, thereby improving the accuracy of displacement.

The vertical boards 12 on both sides are respectively provided with guide rails B14 vertically at positions corresponding to the upper fixing base 27 and the lower fixing base 31, and the lower sides of the lower pressing block A21 are correspondingly provided at positions close to the vertical boards 12 on both sides. There are slide blocks 33, and each of the slide blocks 33 is correspondingly slidably connected with the guide rail B14, so as to further ensure the smoothness of rising and pressing down of the pressing block A.

When the lower pressing block B18 is pressed down, it drives the pressing bar 23 to press down. The pressing bar 23 is in contact with the upper surface of the PCB board to be tested, and the PCB board to be tested is fixed in the PCB board accommodation space for testing. The pressing bar is as thin and sharp as possible. In order to reduce the contact area with the upper surface of the PCB board to be detected, avoid affecting the detection effect because the contact surface between the pressure rod 23 and the PCB board to be detected is too wide.

As a preferred embodiment, the guide rail A16 at one end of the bottom box 40 is provided with a driving cylinder 36, the power output end of the driving cylinder 36 is connected with a slider 33, and the slider 33 is connected to the vertical side of the bottom box 40. The bottom of the plate 12 is fixed; the left side, the right side and the front of the bottom box 40 are respectively provided with a guide rail C38, and a draw-in slot assembly is slidably arranged on the guide rail C38, and the draw-in slot assembly on the left, right and front is surrounded by It is set as the installation space of the tooling module unit, and a plurality of plug-in units 15 are arranged on the card slot assembly; the tooling module unit 41 is arranged in the tooling module unit installation space. During actual operation, the driving cylinder 36 drives the vertical plate 12 to move along the guide rail A16 through the slider 33 , so as to realize the overall movement of the transfer unit 10 .

As a preferred embodiment, the tooling module unit 41 includes a base 38 and a carrier board 32 disposed above the base 38 , and a PCB board accommodating space 34 is provided on the upper surface of the carrier board 32 . A tension pulley 26 is provided on the upper surface of the horizontal plate 11 near the driving synchronous pulley 35 . In actual operation, the PCB board to be tested is placed in the PCB board accommodation space 34 for testing.

As a preferred embodiment, the card slot assembly includes a card slot 39, a slider 33 arranged under both ends of the card slot 39 and connected to the guide rail C38, and a drive cylinder 36 fixed on the bottom box 40, the drive cylinder 36 The power output end is connected to the bottom of the card slot 39 through the connecting block 42, the card slot 39 and the slider 33 are connected through the connecting block 42, and the driving cylinder 36 drives the card slot 39 to the direction of the tooling module unit 41 along the guide rail C38 Move; each of the plug-in units 15 is clamped on the card slot 39 . During actual operation, the power output of the driving cylinder 36 drives the slot 39 to move along the guide rail C38 through the connecting block 42, and the plug-in unit 15 stuck on the slot 39 moves synchronously with the slot 39, thereby realizing the plugging action.

As a preferred embodiment, the electric control box 20 includes a PLC controller arranged inside the electric control box 20 and a control button 17 arranged on the outer surface of the electric control box 20 . The PLC controller is connected with the transfer unit 10, the motor 30, and the drive cylinder 36, and is controlled by the electric control box 20 to realize the automatic displacement of the transfer unit 10, the pressing down, the lifting action and the automatic insertion and removal of the card slot assembly , high degree of automation, high work efficiency.

As a preferred embodiment, the plug-in unit 15 is respectively configured as a network port test module, a TV port test module, an earphone test module and a double-layer USB port test module.

As a preferred embodiment, a needle plate is provided on the upper surface of the base 38 corresponding to the PCB board accommodation space 34 , and a plurality of probes penetrating the carrier board 32 are provided on the needle plate.

The operating principle of the present utility model is: place the tooling module unit with the PCB board to be detected in the installation space of the tooling module unit, then set the plug-in unit 15 in the card slot 39 correspondingly, and control it through the electric control box 20 The button 17 starts the testing machine, the transfer unit 10 moves to the top of the tooling module unit, the lower pressing block A21 synchronously drives the lower pressing block B18 to descend, and the pressing bar 23 offsets the upper surface of the PCB board to be tested to fix the PCB board to be tested. The HDMI plug-in component presses down on the upper surface of the PCB, and the HDMI plug-in unit 22 is inserted into the HDMI socket on the upper surface of the PCB for detection. Insert the detection position corresponding to the PCB board to be detected for detection; at the same time, the needle plate on the base 38 extends a probe to the carrier board 32 for detection of the PCB board to be detected.

The above embodiments only show and describe the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (9)

1. a kind of high accuracy plug automatic test machine, including back box (40), transfer unit (10), frock modular unit (41) and electricity Case (20) is controlled, the frock modular unit (41) is arranged in back box (40), and the electric cabinet (20) is arranged on back box (40) Front end, guide rail A (16) is provided with left and right sides of the back box (40), and the transfer unit (10) includes leading with both sides respectively The transverse slat (11) of riser (12) that rail A (16) is slidably connected, connection both sides riser (12), it is characterised in that：The both sides riser (12) the inner side in top is provided with upper fixed seat (27) and lower fixed seat (31) from top to bottom, fixed seat (27) and A screw mandrel (29) is provided through between lower fixed seat (31), it is fixed between the feed screw nut (28) of screw mandrel (29) described in both sides Lower lock block A (21) is connected with, the lower lock block A (21) is connected with lower lock block B (18), the lower lock block by some guide pillars (19) B (18) is correspondingly arranged with frock modular unit (41), and the lower surface of the lower lock block B (18) is provided with some pressure bars (23)；Institute State side riser (12) and the position of upper fixed seat (27) is provided with a motor (30), the clutch end of the motor (30) Through transverse slat (11) and the top of transverse slat (11) is extended to, the position that the clutch end is located above transverse slat (11) is arranged There is active synchronization wheel (35)；The top of screw mandrel described in both sides (29) through transverse slat (11) and extends to the upper of transverse slat (11) Side, the position that two screw mandrels (29) are located above transverse slat (11) is arranged with driven synchronizing wheel (25), the active synchronization wheel (35) belt (24) power connector is passed through between each driven synchronizing wheel (25)；The interposition of the lower lock block A (21) installs HDMI plug components are equipped with, the HDMI plugs component includes a support arm (37) being connected with lower lock block A (21), the support Arm (37) is downward through lower lock block B (18) and extends to lower lock block B (18) outside, is provided with below the support arm (37) HDMI plug units (22).

A kind of 2. high accuracy plug automatic test machine according to claim 1, it is characterised in that：Riser described in both sides (12) Position corresponding with upper fixed seat (27) and lower fixed seat (31) is vertically installed with guide rail B (14), the lower lock block A respectively (21) lower section both sides are correspondingly arranged on sliding block (33) in the position close to both sides riser (12), each sliding block (33) with Guide rail B (14) is corresponding to be slidably connected.

A kind of 3. high accuracy plug automatic test machine according to claim 1, it is characterised in that：Described back box (40) one end Guide rail A (16) in be provided with drive cylinder (36), the clutch end of the drive cylinder (36) is connected with sliding block (33), institute State sliding block (33) and riser (12) bottom of back box (40) side is fixed；Left, right and the front difference of the back box (40) Guide rail C (38) is provided with, is slided on the guide rail C (38) and is provided with card groove assembly, the pocket set of the left, right and front Part, which encloses, is set as frock modular unit installing space, and some plug units (15) are provided with the card groove assembly；The frock mould Module unit (41) is arranged in frock modular unit installing space.

A kind of 4. high accuracy plug automatic test machine according to claim 1, it is characterised in that：Electric cabinet (20) bag Include the control button (17) for being arranged on the internal PLC of electric cabinet (20) and being arranged on electric cabinet (20) outer surface.

A kind of 5. high accuracy plug automatic test machine according to claim 1, it is characterised in that：The frock modular unit (41) base (38) and the support plate (32) being arranged on above base (38) are included, the upper surface of the support plate (32) is provided with PCB Plate receiving space (34).

A kind of 6. high accuracy plug automatic test machine according to claim 1, it is characterised in that：Transverse slat (11) upper table Face is provided with a tensioning wheel (26) close to the position of active synchronization wheel (35).

A kind of 7. high accuracy plug automatic test machine according to claim 3, it is characterised in that：The card groove assembly includes Neck (39), it is arranged on the sliding block (33) being connected below neck (39) both ends with guide rail C (38) and is fixed in back box (40) Drive cylinder (36), the clutch end of the drive cylinder (36) is connected by contiguous block (42) with neck (39) bottom, Connected between the neck (39) and sliding block (33) by contiguous block (42), the drive cylinder (36) driving neck (39) along Guide rail C (38) moves to frock modular unit (41) direction；Each plug unit (15) is fastened on neck (39).

A kind of 8. high accuracy plug automatic test machine according to claim 3, it is characterised in that：The plug unit (15) It is respectively set to network port test module, TV port tests module, earphone test module and double-deck USB port test mould Group.

A kind of 9. high accuracy plug automatic test machine according to claim 5, it is characterised in that：The base (38) it is upper The surface position corresponding with pcb board receiving space (34) is provided with needle plate, is provided with the needle plate and some runs through support plate (32) probe.