WO2020221143A1

WO2020221143A1 - Material transfer device, feeding apparatus, discharge apparatus and detection system

Info

Publication number: WO2020221143A1
Application number: PCT/CN2020/086897
Authority: WO
Inventors: 张海俊; 曹冲
Original assignee: 南京协辰电子科技有限公司
Priority date: 2019-04-29
Filing date: 2020-04-25
Publication date: 2020-11-05
Also published as: CN110104421A

Abstract

Disclosed is a material transfer device (2), comprising: a base (21); a shift unit (22) arranged on the base (21) and used for supporting and shifting a material; a driving unit (23) connected to the shift unit (22) and driving same to reciprocate on the base (21). The shift unit (22) comprises a shift space for allowing a carrying mechanism to enter same, the carrying mechanism enters the shift space and then moves relative to the shift unit (22), and the material is transferred between the carrying mechanism and the shift unit (22) by means of relative motion, wherein a moving direction of the shift unit (22) is perpendicular to the direction of relative motion. The material transfer device (2) can be detachably connected to other apparatuses and can be applied to different feeding or discharge apparatuses; and by means of the cooperation with a carrying mechanism of a feeding or discharge apparatus, the automatic feeding or automatic discharge of a material is achieved, thereby reducing labor costs, improving the efficiency of material conveying, realizing production automation, and lowering production costs.

Description

A material transfer device, a feeding device, a discharging device and a detection system

Technical field

The invention relates to the technical field of automatic production of electronic products, in particular to a material transfer device, a feeding device, a discharging device and a detection system.

Background technique

With the rapid development of electronic technology, printed circuit boards are widely used in various fields. Printed circuit boards are also called PCB (Printed Circuit Board). PCB boards are essential components in the modern electronics industry. Connection is the supporting carrier of electronic components. In order to ensure the normal operation of electronic equipment and reduce the electromagnetic interference between each other, the printed circuit board after processing and manufacturing must be quality tested to detect whether the performance of the printed circuit board meets the requirements. With the development of science and technology, PCB board production and quality inspection equipment appears on the market. The use of equipment can realize automatic production and inspection of PCB boards, which reduces the labor intensity of operators to a certain extent.

However, in the production of existing equipment, the quality inspection of PCB boards is usually carried out separately by independent testing equipment, and the PCB board discharge at the inlet and outlet of the existing inspection equipment usually requires operators to perform Manual handling, low degree of automation, labor costs, and easy to cause secondary pollution of the tested PCB board; on the other hand, manual handling of materials can only be re-loaded after all materials at the inlet are loaded, the same The material at the discharge port can only be unloaded when all the materials are delivered. Therefore, during the loading and unloading period, there is no material input or output in the testing equipment, which leads to low overall work efficiency. The production line has a low production capacity and cannot meet the demand for uninterrupted work in the assembly line.

Summary of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects such as low efficiency in the prior art, thereby providing a material transfer device, a feeding device, a discharging device, and a detection system.

For this reason, the technical scheme of the present invention is as follows:

A material transfer device includes:

Base

The transfer unit is arranged on the base and supports and transfers the material;

A driving unit connected to and driving the transfer unit to move back and forth on the base;

The transfer unit includes a transfer space that allows a transfer mechanism to enter, and the transfer mechanism moves relative to the transfer unit after entering the transfer space, and the material is moved between the transfer mechanism and the transfer unit through the relative movement. When transferring between the transfer units, the movement direction of the transfer units is perpendicular to the relative movement direction.

Further, the transfer space includes a plurality of transfer slots that allow the transport mechanism to enter, the transfer slots are provided on the surface of the transfer unit that contacts the material, and the transfer slots face the The inside of the transfer unit is recessed.

Further, the transfer unit includes a bottom plate and a supporting component, the bottom plate is driven to move relative to the base by the driving unit, the supporting components are arranged on the bottom plate at intervals, and the adjacent supporting components The transfer groove is formed therebetween.

Further, the driving unit includes a moving motor and a transmission assembly connected thereto, and the transmission assembly is fixedly connected with the bottom plate.

Further, it further includes a guide assembly arranged between the base and the bottom plate, the guide assembly includes a guide rail and a sliding block slidably connected to the guide rail, the guide rail is horizontally arranged on the base, and the sliding The block is fixedly connected with the transmission assembly.

A feeding equipment, which includes:

Base

The material transfer device is the material transfer device described in any one of the above, the material transfer device is detachably connected to the base, and the transfer unit moves between a material transport position and a transfer position;

And a conveying mechanism and a reclaiming mechanism arranged on the base frame, the conveying mechanism conveys the material from the transfer position to the reclaiming position through the relative movement, and the reclaiming mechanism moves from the The material is obtained at the reclaiming position.

Further, the transport mechanism includes a plurality of fork rods arranged corresponding to the transfer groove and a fork rod drive assembly that drives the fork rod to move up and down.

Further, the fork rod drive assembly includes a lifting motor and a screw rod connected in transmission therewith, and the screw rod is threadedly connected with the fork rod.

Further, the reclaiming mechanism includes a guide rail and a suction cup assembly arranged on the frame, the suction cup assembly slidingly cooperates with the guide rail, and the suction cup assembly grabs the material at the retrieval position.

Further, the loading equipment further includes a positioning baffle, the positioning baffle includes a first baffle and a second baffle that are vertically arranged, and the first baffle and the second baffle are respectively along different sides. The direction is set at the transfer location.

Further, the first baffle plate is provided at the end of the path along which the transfer unit moves toward the fork rod, and a lifting groove that allows the fork rod to pass through and move up and down is provided on the first baffle plate. And the first baffle is arranged adjacent to each other at an angle.

Further, the loading equipment further includes an automatic alignment device that corrects and aligns the material at the reclaiming position, so that the two edges of the material abut against the first A baffle and the second baffle.

A discharging device, which includes:

Base

A plurality of material receiving devices are detachably installed on the base, and at least one of the material receiving devices is the material transfer device according to any one of the above;

And a handling mechanism and a material reclaiming mechanism arranged on the base frame, the handling mechanism is arranged corresponding to the material transfer device, and the material reclaiming mechanism transfers and places the material on the corresponding material receiving device on;

The conveying mechanism transfers the material to the transfer unit through the relative movement, and the transfer unit moves between the transfer position and the material transport position.

Further, the conveying mechanism includes a plurality of fork rods and fork rod drive assemblies which are arranged corresponding to the transfer grooves, and the fork rods are driven by the fork rod drive assembly to move vertically.

Further, the fork rod driving assembly includes a driving motor and a screw rod connected to the driving motor, and the screw rod is threadedly connected with the fork rod.

Further, the reclaiming mechanism includes a guide rail and a suction cup assembly arranged on the frame, the suction cup assembly slidingly cooperates with the guide rail, and the suction cup assembly grabs the material and transfers it to the fork rod .

A detection system, which includes:

Feeding equipment, the feeding equipment is the feeding equipment as described in any one of the above;

A discharging device, the discharging device is the discharging device as described in any one of the above;

And the test equipment is arranged between the feeding device and the discharging device, and includes a test platform, and the guide rails of the reclaiming mechanism of the feeding device and the discharging device respectively extend above the test platform.

The technical scheme of the present invention has the following advantages:

1. A material transfer device provided by the present invention includes: a base; a transfer unit, which is arranged on the base, supports and transfers the material; a drive unit, which connects and drives the transfer unit to Reciprocating movement on the base; the transfer unit includes a transfer space that allows a transport mechanism to enter, the transport mechanism moves relative to the transfer unit after entering the transfer space, and the transfer unit is moved by the relative movement The material is transferred between the transport mechanism and the transfer unit, and the movement direction of the transfer unit is perpendicular to the relative movement direction. The adapter device can be detachably connected with other equipment, and can be applied to different loading or discharging equipment; and by cooperating with the handling mechanism on the loading or discharging equipment, it can realize the automatic loading or unloading of materials , Reduce labor costs, improve the efficiency of material transfer, realize production automation, and reduce production costs.

2. A material transfer device provided by the present invention, wherein the transfer space includes a plurality of transfer slots that allow the transport mechanism to enter, and the transfer slots are provided on the transfer unit that contact the material On the surface, the transfer groove is recessed toward the inside of the transfer unit; the transfer unit includes a bottom plate and a supporting component, the bottom plate is driven to move relative to the base by the driving unit, and the supporting components are arranged at intervals On the bottom plate, the transfer groove is formed between the adjacent supporting components. The transfer slot is set to cooperate with the handling mechanism, and the material transfer between the handling mechanism and the transfer unit is realized through the dislocation movement of the handling mechanism and the transfer unit; manual handling is avoided, which further improves the automation of the equipment, reduces the cost and improves Efficiency.

3. A material transfer device provided by the present invention, wherein the drive unit includes a moving motor and a transmission assembly connected thereto, and the transmission assembly is fixedly connected to the bottom plate. It also includes a guide assembly arranged between the base and the bottom plate. The guide assembly includes a guide rail and a sliding block slidably connected to the guide rail. The guide rail is horizontally arranged on the base, and the sliding block is connected to the The transmission assembly is fixedly connected. By setting the drive unit and the guide assembly, the transfer unit can move horizontally and reciprocally on the equipment, so that it has a material transportation position and a transfer position, where materials are loaded and unloaded, and materials are transferred at the transfer position Handover improves the automation rate of equipment, reduces labor costs, and improves production efficiency.

4. The loading equipment provided by the present invention contains the above-mentioned material transfer device, so when the transfer unit of the material transfer device transfers and transfers the material to the handling mechanism of the loading equipment, the handling mechanism moves to the reclaiming position. The material on the handling mechanism is loaded one by one through the reclaiming mechanism. At this time, the transfer unit can immediately return to the material transportation position for the next round of loading operation after the transfer is completed. Therefore, there is no need to wait for the inspection equipment to After the previous batch of materials have completely entered the testing equipment for testing, the next batch of materials can be loaded, which saves a lot of operating time and can realize the uninterrupted feeding operation of the back-end testing equipment.

5. Since the discharging equipment provided by the present invention includes the above-mentioned material transfer device, the handling mechanism can immediately return to the reclaiming position after transferring a batch of tested materials to the transfer unit, and continue to cooperate with the reclaiming mechanism Carry out the discharge operation of the PCB board after the inspection is completed, and at the same time the transfer unit transfers the material to the transportation position for the discharge operation. Therefore, there is no need to wait for the complete discharge before proceeding to the next batch of inspection materials. This saves a lot of operating time and can realize the uninterrupted discharge operation of its front-end detection equipment.

6. The detection system provided by the present invention includes all the advantages of the above-mentioned feeding equipment and discharging equipment because it includes the above-mentioned feeding equipment and discharging equipment.

Description of the drawings

In order to explain the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the specific embodiments or the description of the prior art. Obviously, the appendix in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic diagram of the structure of the detection system of the present invention;

Figures 2 and 4 are schematic diagrams of the structure of the feeding equipment in Figure 1;

Figure 3 is a partial schematic diagram of part A in Figure 2;

Figure 5 is a left side view of the feeding device shown in Figure 4;

Figure 6 is a front view of the feeding device shown in Figure 4;

Figure 7 is a schematic diagram of the structure of the discharging device in Figure 1;

Figure 8 is a left view of the discharging device shown in Figure 7;

Figure 9 is a front view of the discharging device shown in Figure 7;

Figure 10 is a schematic structural diagram of the material transfer device of the present invention;

Figure 11 is an exploded schematic diagram of the material transfer device shown in Figure 10.

Description of reference signs:

1- feeding equipment; 11- feeding equipment base; 12- first baffle; 121- lifting trough; 13- second baffle; 14- frame; 15- first cylinder; 16- second cylinder;

2-material transfer device; 21-base;

22-transfer unit; 221-base plate; 222-support assembly; 223-transfer slot;

23-drive unit; 231-transmission belt; 232-transmission wheel; 233-connector;

24-guide assembly; 241-rail; 242-slider;

31-transport position; 32-transfer position; 33-take position;

41-fork rod; 42-suction cup assembly; 43-rail;

5-discharge equipment; 51-discharge equipment base; 52-receiving table; 53-frame;

6- Test equipment.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

Example

This embodiment records a detection system, as shown in FIG. 1, which includes a feeding device 1, a discharging device 5, and a testing device 6, wherein the testing device 6 is connected and arranged between the feeding device 1 and the discharging device 5. , As shown in Figure 1, the other end of the guide rail 43 in the feeding device 1 extends above the test platform in the test device 6 for transporting materials to the test platform, and one end of the guide rail 43 in the discharge device 5 The part also extends into the testing equipment 6 to take out the materials from the testing equipment 6 and transport them to the discharge equipment 5.

The material in this embodiment is a plate-shaped material such as a PCB board, and of course, it can also be other materials with a fixed shape. The test device 6 in this embodiment is a circuit test device for the PCB board.

The detection system in this embodiment also includes a control mechanism. The control mechanism is electrically connected to each actuator and each detection mechanism of the feeding device 1, the discharging device 5, and the testing device 6, and is used to control each detection mechanism according to the detection results of the detection mechanism. The action of the actuator.

(1) Feeding equipment

The loading device 1 in this embodiment specifically refers to a device for inputting materials, as shown in Figure 2-6, which includes a loading device base 11, a material transfer device 2, a handling mechanism, and a reclaiming mechanism. The connecting device 2 is detachably connected to the base 1 of the loading equipment. The handling mechanism and the reclaiming mechanism are both installed on the frame 14 of the loading equipment. As shown in Figure 5, the material transfer device 2 will input the material to the self-carrying position 31 After being transported to the transfer position 32, the conveying mechanism moves the material from the transfer position 32 to the reclaiming position 33, and the reclaiming mechanism obtains the material from the reclaiming position 33.

10-11, the material transfer device 2 of the present invention includes a base 21, a transfer unit 22 and a driving unit 23. The transfer unit 22 is provided on the base 21 for supporting and transferring a PCB board. The driving unit 23 is connected to the transfer unit 22 for driving the transfer unit 22 to move between the material transport position 31 and the transfer position 32 relative to the base 21.

The material is transferred between the transfer mechanism and the transfer unit 22 through the relative movement of the transfer mechanism and the transfer unit 22. In this embodiment, the movement direction of the transfer unit 22 is perpendicular to the movement direction of the transfer mechanism; the transfer unit is on the base. The surface of the seat 21 reciprocates horizontally and linearly, and the transport mechanism reciprocates up and down in the vertical direction. The transfer unit 22 includes a transfer space that allows the transfer mechanism to enter. The transfer mechanism enters the transfer space and contacts the bottom of the PCB board. The transfer mechanism moves up and down relative to the transfer unit 22 to transfer the PCB board on the transfer unit 22 to the transfer mechanism. on.

As shown in FIG. 10, the surface of the transfer unit 22 that contacts the bottom of the PCB is formed with a plurality of transfer slots 223, and the transfer slots 223 constitute transfer spaces; the transfer slots 223 are recessed to the inside of the transfer unit 22 Allow the handling mechanism to be inserted into the bottom of the PCB board. The transfer unit 22 includes a bottom plate 221 and a supporting component 222. The supporting components 222 are arranged on the bottom plate 221 at intervals. The bottom plate 221 is driven by the driving unit 23 to reciprocate relative to the base 21. The adjacent supporting components 222 form a plurality of spaced apart Shifting slot 223.

Referring to FIG. 11, the driving unit 23 includes a moving motor (not shown in the figure) and a transmission assembly connected thereto. The transmission assembly includes a transmission belt 231, a transmission wheel 232 and a connecting piece 233, wherein the transmission wheel 232 is driven to rotate by the movement motor. The material transfer device 2 is also provided with a guide assembly 24, wherein the guide assembly 24 is arranged between the base 21 and the bottom plate 221. The guide assembly 24 includes a guide rail 241 and a sliding block 242 slidably connected to it. The guide rail 241 is horizontally arranged on the base 21, the connecting piece 233 is respectively fixedly connected with the transmission belt 231, the sliding block 242 and the bottom plate 221. Specifically, referring to FIG. 11, the connecting piece 233 includes an upper connecting piece 2331 and a lower connecting piece 2332, wherein the upper connecting piece 2331 is connected to the two The two sliding blocks 242 are fixedly connected, and the lower connecting piece 2332 is fixedly connected to the transmission belt 231 through a clamping plate and screws. The transmission wheel 232 is driven by the motor to drive the transmission belt 231 to move, whereby the transmission belt 231 drives the connecting piece 233 to move along the guide rail 241, and finally drives the bottom plate 221 and the transfer unit 22 to reciprocate between the conveying position 31 and the transfer position 32 along the guide rail 241 movement.

As shown in Figure 4, the handling mechanism of the feeding device 1 includes a number of fork rods 41, fork rod lifting motors and screw rods (not shown in the figure). The fork rods 41 and the transfer grooves 223 are arranged in one-to-one correspondence. The fork rod 41 in the embodiment is lifted and driven by the screw rod and the fork rod lifting motor, and the fork rod lifting motor is controlled by the control mechanism to operate; the screw rod is connected with the output end of the fork rod lifting motor, and the screw rod is threadedly connected with the fork rod 41, The fork rod lifting motor drives the screw rod to rotate positively and negatively so as to drive the fork rod 41 threaded with it to move up and down along the screw rod.

The reclaiming mechanism includes a suction cup assembly 42, a suction cup motor, and a guide rail 43. The guide rail 43 is arranged on the frame 14. The suction cup assembly 42 is slidably matched with the guide rail 43 by a moving slider. The suction cup assembly 42 is driven by the suction cup motor to move back and forth on the guide rail 43. , When the suction cup assembly 42 is located at the reclaiming position 33, grab the PCB board on the top of the fork 41. Of course, as an alternative embodiment, the reclaiming mechanism can also adopt a manipulator instead of structure.

2 and 4, the feeding equipment in this embodiment further includes a positioning baffle, the positioning baffle is fixed on the frame 14 or the feeding equipment base 11, and the positioning baffle includes a first baffle 12 that is vertically arranged And the second baffle 13, the first baffle 12 and the second baffle 13 are respectively disposed in different directions of the transfer position 32 to align the PCB board on the transfer unit 22 in different directions.

As shown in Figures 3 and 4, the first baffle 12 is provided at the end of the path where the support assembly 222 moves toward the fork 41, and is provided with a lifting groove 121 that allows the fork 41 to pass through and move up and down, because in this embodiment The material is a PCB board, so the second baffle 13 and the first baffle 12 are arranged vertically adjacent to each other, and are used to align two adjacent sides of the PCB board to prevent the position and angle of the PCB board body Offset.

As shown in Figure 3, the loading equipment 1 in this embodiment also includes an automatic alignment device corresponding to the reclaiming position 33, and the automatic alignment device corrects and aligns the PCB board at the reclaiming position 33 to make it Two adjacent sides abut against the first baffle 12 and the second baffle 13 respectively. Specifically, referring to FIG. 3, the automatic positioning device in this embodiment includes a first air cylinder 15 and a second air cylinder 16 fixedly arranged on the top frame 14. The first cylinder 15 and the second cylinder 16 are arranged corresponding to the reclaiming position 33, the movable ends of the first cylinder 15 and the second cylinder 16 are respectively fixedly connected with push plates, and the push plate of the first cylinder 15 abuts on the PCB One side of the board and drives it to move vertically relative to the surface of the first baffle 12, the push plate of the second cylinder 16 abuts the other side of the PCB board adjacent to the above-mentioned side and drives it relative to the second baffle The surface of 13 moves vertically, thereby performing alignment and correction operations on the PCB board located within the range of the picking position 33 on the top of the fork 41.

By setting up an automatic positioning device to correct the PCB board, correct the position rotation and angle deviation of the PCB board during the transmission process, and the position of the PCB board can be re-calibrated, further avoiding the picking and unloading process of the suction cup assembly Damage to materials in the process, improve production efficiency and pass rate.

This embodiment also includes a material detection unit for detecting whether there is a predetermined amount of material input on the transfer unit 22 and the fork 41; wherein the material detection unit may be, for example, a scale provided on the transfer unit 22 or the fork 41. Heavy sensor or infrared sensor. When the material detection unit on the transfer unit 22 detects that a predetermined amount of material is input, the control mechanism is triggered to drive the transfer unit 22 to move from the material transport position 31 to the transfer position 32. When the material detection unit on the fork rod 41 detects that there is no material, the control mechanism is triggered to drive the fork rod 41 to move downward.

At the same time, in order to accurately control the lifting movement of the fork lever 41, a vertical position detection unit (not shown in the figure) is also included, and the control mechanism controls the operation of the driving motor according to the detection result of the vertical position detection unit. The vertical position detection unit includes a reset sensor and an upper limit sensor. The frame 14 is provided with a reset sensor that detects the position of the fork 41 at a predetermined height near the lower part of the PCB board. When it detects that the fork 41 has dropped to the initial position, it sends a stop signal to the control mechanism. Control the drive motor to stop rotating, and the fork lever 41 stops descending; the reset sensor is used to detect whether the fork lever 41 returns to the initial position, while avoiding excessive lowering of the fork lever 41, and ensuring that the stop position of the fork lever 41 is in the transfer position. The transfer slot 223 on the unit 22 corresponds.

In this embodiment, an upper limit sensor is also provided on the first baffle 12 corresponding to the reclaiming position 33, wherein the upper limit sensor is provided at a predetermined height on the inner upper part of the first baffle 12 or the frame 14 for Detect the PCB board on the top of the fork lever 41, when it detects that the PCB board on the top of the fork lever 41 reaches the reclaiming position 33, it sends a stop signal to the control mechanism, the control mechanism controls the drive motor to stop rotating, and the fork lever 41 stops rising When it does not detect the PCB board on the top of the fork lever 41, it sends a start signal to the control mechanism, and the control mechanism controls the drive motor to rotate, and the fork lever 41 rises to a predetermined position. The upper limit sensor is used to limit the rising position of the fork rod 41 to prevent the fork rod 41 from rising excessively, and at the same time to ensure that the PCB board on the top of the fork rod 41 is always at the picking position 33, even if it is within the graspable range of the suction cup assembly . Among them, the reset sensor and the upper limit sensor in this embodiment both adopt position sensors.

Of course, it can also include a horizontal position detection unit that detects whether the horizontal movement of the transfer unit 22 reaches the transfer position 31 and the material transport position 32, which may be position sensors corresponding to the transfer position and the material transport position; of course, It may include a position detection unit that detects whether the fork 41 returns to the initial position.

Among them, the fork lift motor, the moving motor, the suction cup motor and the automatic positioning device belong to the actuator and are electrically connected to the control mechanism; the vertical position detection unit, the material detection unit and the horizontal position detection unit belong to the detection mechanism, respectively The mechanism is electrically connected.

(2) Discharge equipment

As shown in Figures 7-9, the discharging device 5 in this embodiment specifically refers to a device for outputting materials that have been tested by the upstream testing device 6, which includes a discharging device base 51, a number of material receiving devices and The material-receiving mechanism, wherein the material-receiving device is detachably installed on the base 51 of the discharging equipment, and the material-receiving mechanism transports and places the material grabbed from the testing equipment 6 on the corresponding material-receiving device. At least one of the material receiving devices adopts the material transfer device 2 which can move relative to the base 51 of the discharging equipment, and the remaining material receiving devices can be set as receiving platforms 52 fixed in position on the frame 53. The material receiving device in this embodiment includes a material transferring device 2 and two receiving stations 52. The material transferring device 2 is used to receive and output the tested PCB boards, and the two receiving stations 52 are used to receive the tested PCB boards. PCB board with bad open circuit and PCB with bad short circuit. Of course, it is also possible to use the material transfer device 2 for all material receiving devices.

As shown in Figure 7, the material transfer device 2 is detachably connected to the discharging equipment base 51; a handling mechanism is provided corresponding to the material transfer device 2, and the handling mechanism and the material reclaiming mechanism are both installed on the frame 53. The material mechanism places the acquired materials on the transfer mechanism of the transfer device 2. The transfer mechanism moves the materials from the picking position 33 to the transfer unit 22 at the transfer position 32. The transfer unit 22 can be transferred Movement between position 32 and material transport position 31.

As shown in Figure 7, the material transfer device 2, the handling mechanism and the reclaiming mechanism in the discharging equipment 5 are the same as those in the loading equipment 1. The handling mechanism of the discharging equipment 5 also includes a number of fork rods 41, Fork rod lifting motor and screw rod (not shown in the figure), the fork rod 41 and the transfer groove 223 are arranged in one-to-one correspondence, and the reclaiming mechanism also includes a sucker assembly 42, a sucker motor and a guide rail 43, of which the guide rail 43 extends into In the detection device 6; when the suction cup assembly 42 is located at the reclaiming position 33, the PCB board is placed on the fork 41. Of course, as an alternative embodiment, the reclaiming mechanism can also adopt a manipulator instead of structure.

The difference between the discharging equipment 5 and the loading equipment 1 is that the movement positions of each device or mechanism are different. For the structure of the material transfer device 2, the handling mechanism and the reclaiming mechanism in the discharging equipment 5, please refer to the loading equipment 1 I won’t repeat the structure here.

This embodiment also includes a material detection unit for detecting whether there is a predetermined amount of material input on the transfer unit 22 and the fork 41; wherein the material detection unit may be, for example, a scale provided on the transfer unit 22 or the fork 41. Heavy sensor or infrared sensor. When the material detection unit on the fork rod 41 detects a predetermined amount of material input, the control mechanism is triggered to drive the fork rod 41 to perform a descending movement. When the material detection unit on the transfer unit 22 detects a predetermined amount of material input, the control mechanism is triggered to drive the transfer unit 22 to move from the transfer position 32 to the material transport position 31.

At the same time, in order to facilitate accurate control of the lifting movement of the fork rod 41, a vertical position detection unit (not shown in the figure) is also provided at a predetermined height in the discharging device 5, and the control mechanism is controlled according to the detection result of the vertical position detection unit The drive motor runs. The vertical position detection unit includes a lower limit sensor and a plate sensor. The plate sensor is set on the discharge device 5 at a predetermined height near the upper side of the PCB board. When it detects that a PCB board is input on the fork 41 Send a start-up signal to the control mechanism, and the control mechanism controls the driving motor to drive the fork lever 41 to descend. When the PCB sensor on the surface of the fork lever 41 does not detect the PCB board, the control mechanism controls the lifting motor to stop descending, thereby ensuring that the fork is located The PCB board on the surface of the rod 41 is always in the reclaiming position 33, thereby ensuring that the suction cup assembly can perform accurate position unloading. There is also a lower limit sensor for detecting the position of the fork 41 on the lower part of the frame 53 near the PCB board at a predetermined height. When it detects that the fork 41 has dropped to the specified position, it sends a stop signal to the control mechanism to control The mechanism controls the driving motor to stop rotating, and the fork lever 41 stops descending. The lower limit sensor is used to limit the lowering position of the fork rod 41, avoid excessive lowering of the fork rod 41, and ensure that the stop position of the fork rod 41 corresponds to the transfer slot 223 on the transfer unit 22 at the transfer position. Among them, the on-board sensor and the lower limit sensor in this embodiment both adopt position sensors.

Of course, it also includes a horizontal position detection unit that detects whether the horizontal movement of the transfer unit 22 reaches the transfer position and the material transport position, which may be position sensors respectively corresponding to the transfer position and the material transport position.

The working process of the test system of the present invention includes:

(1) Feeding process:

When the material detection unit detects that there is a predetermined amount of PCB input on the transfer unit 22 at the material transport position 31, the control mechanism triggers the start of the moving motor and drives the transfer unit 22 to move to the transfer position 32. The fork rod 41 on the material equipment 1 is in the initial position that has not risen, that is, when the transfer unit 22 moves to the transfer position 32, the fork rod 41 just enters the transfer slot 223, inserts it under the PCB board, and transfers After the unit 22 moves to the transfer position 32, the moving motor stops moving;

Then the control mechanism controls the lifting motor to start. The lifting motor drives the fork lever 41 to rise and causes the PCB on the top to reach the picking position 33. After the PCB board on the upper surface of the fork 41 triggers the upper limit sensor at the picking position, the control mechanism The lifting motor is controlled to stop moving; then the control mechanism controls the automatic alignment device to perform the correction operation. After the correction operation is completed, the control mechanism controls the suction cup assembly to perform the material grasping operation to grasp the material to the test platform of the test equipment 6.

At the same time, after the transfer unit 22 transfers the material to the fork 41, it returns to the transportation position 31 under the drive of the moving motor and performs the loading operation of the next batch of materials; when the material on the fork 41 is detected After the unit detects that there is no more material on it, the control mechanism controls the fork rod 41 to drop to the initial position; the reset sensor detects that the fork rod 41 returns to the initial position and the control mechanism controls it to stop moving, while the control mechanism controls the transfer unit 22 to move forward The connecting position 32 moves, thereby performing the next round of feeding operation.

(2) Test process:

The test equipment 6 conducts the on-off test on the PCB board and outputs the test results to the control mechanism. According to the test results, the control mechanism outputs corresponding motion instructions to the reclaiming mechanism of the discharging equipment 5. The PCB boards are respectively output to the corresponding material receiving device.

(3) Discharging process:

The suction cup assembly grabs the PCB boards that have passed the test in the test platform and places them on the fork bar 41. When the fork bar 41 accumulates a predetermined amount of PCB boards, it triggers the material detection unit on the fork bar 41, and the control mechanism controls the lifting motor to start , The lifting motor drives the fork rod 41 to descend, and when the fork rod 41 drops to a predetermined position, the lower limit sensor is triggered. At this time, the fork rod 41 is in the transfer groove 223 of the transfer unit 22, and the control mechanism controls the lift motor to stop descending;

At the same time, the PCB board is transferred to the transfer unit 22 through the lowering of the fork rod 41. When the material detection unit on the transfer unit 22 detects a predetermined amount of PCB board input, the control mechanism triggers the motor start of the drive unit 23, The driving unit 23 drives the transfer unit 22 to move in a direction away from the discharging device 5 until it stops at the material transport position 31, at which time the PCB board can be removed by an external mechanism.

At the same time, after the fork rod 41 transfers the material to the transfer unit 22 and the transfer unit 22 leaves the transfer position 32, the fork rod 41 is controlled to return to the picking position 33 to perform the output operation of the next batch of materials.

Obviously, the above-mentioned embodiments are merely examples for clear description, and are not intended to limit the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is unnecessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the protection scope created by the present invention.

Claims

A material transfer device includes:

Base

The transfer unit is arranged on the base and supports and transfers the material;

A driving unit connected to and driving the transfer unit to move back and forth on the base;

Its characteristics are:

The transfer unit includes a transfer space that allows a transfer mechanism to enter, and the transfer mechanism moves relative to the transfer unit after entering the transfer space, and the material is moved between the transfer mechanism and the transfer unit through the relative movement. When transferring between the transfer units, the movement direction of the transfer units is perpendicular to the relative movement direction.
The material transfer device according to claim 1, wherein the transfer space includes a plurality of transfer slots that allow the transport mechanism to enter, and the transfer slots are provided on the transfer unit and On the surface contacted by the material, the transfer groove is recessed toward the inside of the transfer unit.
The material transfer device according to claim 2, wherein the transfer unit comprises a bottom plate and a supporting component, the bottom plate is driven to move relative to the base by the driving unit, and the supporting components are arranged at intervals On the bottom plate, the transfer groove is formed between the adjacent supporting components.
The material transfer device according to claim 3, wherein the driving unit comprises a moving motor and a transmission assembly connected thereto, and the transmission assembly is fixedly connected with the bottom plate.
The material transfer device according to claim 4, further comprising a guide assembly arranged between the base and the bottom plate, the guide assembly includes a guide rail and a sliding block slidably connected to it, the The guide rail is horizontally arranged on the base, and the sliding block is fixedly connected with the transmission assembly.
A feeding equipment is characterized by comprising:

Base

The material transfer device is the material transfer device according to any one of claims 1-5, the material transfer device is detachably connected to the base, and the transfer unit is in the material transport position and transfer Movement between positions;

And a conveying mechanism and a reclaiming mechanism arranged on the base frame, the conveying mechanism conveys the material from the transfer position to the reclaiming position through the relative movement, and the reclaiming mechanism moves from the The material is obtained at the reclaiming position.
The loading device according to claim 6, wherein the transport mechanism includes a plurality of fork rods corresponding to the transfer groove and a fork rod driving assembly that drives the fork rod to move up and down.
8. The loading equipment according to claim 7, wherein the fork rod drive assembly comprises a lifting motor and a screw rod connected to the lifting motor, and the screw rod is threadedly connected with the fork rod.
The loading equipment according to any one of claims 6-8, wherein the reclaiming mechanism comprises a guide rail and a suction cup assembly arranged on the frame, and the suction cup assembly is slidingly engaged with the guide rail, The suction cup assembly grabs the material at the material taking position.
The loading device according to claim 9, characterized in that: the loading device further comprises a positioning baffle, the positioning baffle comprises a first baffle and a second baffle that are vertically arranged, the first baffle The baffle and the second baffle are respectively arranged at the transfer position along different directions.
The loading equipment according to claim 10, characterized in that: the first baffle plate is provided at the end of the path along which the transfer unit moves toward the fork rod, and is provided on the first baffle plate to allow the fork rod to pass through. For the lifting trough that moves up and down, the second baffle and the first baffle are arranged adjacent to each other at an angle.
The loading equipment according to claim 10, characterized in that: the loading equipment further comprises an automatic alignment device, and the automatic alignment device corrects and aligns the material at the reclaiming position, so that the Edges on both sides of the material abut against the first baffle and the second baffle respectively.
A discharging device, which is characterized by comprising:

Base

A plurality of material receiving devices are detachably installed on the base, wherein at least one of the material receiving devices is the material transfer device according to any one of claims 1-5;

And a handling mechanism and a material reclaiming mechanism arranged on the base frame, the handling mechanism is arranged corresponding to the material transfer device, and the material reclaiming mechanism transfers and places the material on the corresponding material receiving device on;

The conveying mechanism transfers the material to the transfer unit through the relative movement, and the transfer unit moves between the transfer position and the material transport position.
The discharging device according to claim 13, characterized in that: the conveying mechanism includes a plurality of fork rods and fork rod drive assemblies provided corresponding to the transfer groove, and the fork rods are driven by the fork rod drive assembly Perform vertical lifting movements.
The discharging device according to claim 14, wherein the fork rod driving assembly comprises a driving motor and a screw rod connected to the driving motor, and the screw rod is threadedly connected with the fork rod.
The discharging device according to claim 13 or 14, characterized in that: the reclaiming mechanism comprises a guide rail and a suction cup assembly arranged on the frame, the suction cup assembly slidingly fits with the guide rail, and the suction cup The components grab the material and transfer it to the fork.
A detection system, which is characterized by comprising:

Feeding equipment, the feeding equipment is the feeding equipment according to any one of claims 6-12;

A discharging device, the discharging device is the discharging device according to any one of claims 13-16;

And the test equipment is arranged between the feeding device and the discharging device, and includes a test platform, and the guide rails of the reclaiming mechanism of the feeding device and the discharging device respectively extend above the test platform.