CN113189372A

CN113189372A - Electronic component crimping device and test sorting equipment comprising same

Info

Publication number: CN113189372A
Application number: CN202010037707.5A
Authority: CN
Inventors: 蔡志欣; 巫吉生; 张铭德
Original assignee: Hongjin Precision Co ltd
Current assignee: Hongjin Precision Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2021-07-30

Abstract

The invention provides an electronic element compression joint device and a test classification device comprising the same, comprising a variable pitch group, a compression device and a driving mechanism, wherein the compression device is arranged on the variable pitch group, the variable pitch group is arranged on the driving mechanism, so that the driving mechanism can drive the variable pitch group and the compression device to move to carry out compression joint and test operation on the electronic element, the variable pitch group can adjust the position of the compression device, or can adjust the distance between adjacent compression devices when a plurality of compression devices are arranged, a user does not need to detach the whole material moving device, the compression device or/and an additional jig when adjusting the position of the compression device, the time required for changing the position of the compression device can be reduced, the equipment cost of the test classification device is reduced, and the whole use cost of the user is reduced.

Description

Electronic component crimping device and test sorting equipment comprising same

Technical Field

The invention relates to a crimping device used in the test and classification operation of electronic components, which can crimp the electronic components on test equipment for testing so as to complete the test and classification operation of the electronic components.

Background

The electronic element test sorting equipment can be used for testing electronic elements (such as IC with tin balls), and is mainly characterized by that it utilizes the sorting equipment to take out the electronic elements from the material tray of electronic element one by one or batch by batch, and transfer them to the test equipment, after the test of equipment to be tested is completed, the sorting equipment can transfer the electronic elements into the designated position according to the test result, for example, on several different material trays.

In the above-mentioned electronic component testing and sorting apparatus, since the electronic components for each batch of measurement may have different specifications and sizes, the sizes of the testing seats of the testing apparatus and the distances between adjacent testing seats may be changed according to the electronic components to be tested, and in addition, the sizes of the electronic components and the distances between the electronic components placed in the tray may be different, so that the distances between the electronic components in the tray and the distances between the electronic components during testing may be different, and the testing may be performed smoothly by performing appropriate pitch changing and alignment.

Based on the above situation, most of the existing sorting apparatuses have a pitch varying mechanism, for example, the pitch varying mechanisms in the patent No. TWI569356 and the patent No. TWI603821 to taiwan are examples, the pitch varying mechanism can take a plurality of electronic components from a tray of the electronic components, change the pitch of the electronic components after taking, and then place the electronic components on a feeding stage, or take the electronic components from a discharging stage, and place the electronic components on the tray after changing the pitch of the electronic components.

Disclosure of Invention

Although the sorting device can be used for testing various electronic components with different specifications, when the electronic components with different specifications are tested, different testing devices are required to be used, the testing seats on each testing device have different specifications and different distances between the testing seats, the material shifter or the material presser and the jig thereof need to be dismounted, and the jig is replaced by another material shifter or material presser conforming to the specifications and the dimensions of the testing seats and the electronic components, and in the process of dismounting and replacing the material shifter or the material presser, time is required to be consumed for repeated dismounting, aligning and correcting, so that the utilization rate of the whole production line is reduced, and the same sorting device needs to be prepared with a plurality of groups of material shifters or material pressers for replacement, and the device cost of the sorting device is also increased.

Therefore, one of the objects of the present invention is to provide a press-bonding apparatus having a press-fetching device capable of fetching an electronic component, and the position of the press-fetching device can be adjusted without preparing a plurality of sets of press-fetching devices for replacement.

Secondly, the pressure device with adjustable position is provided with the pressure device, when the specification and the size of the tested electronic element are changed, the position of the pressure device or the distance between two adjacent pressure devices can be changed in an adjusting mode, and the time for disassembling and assembling the pressure device and the jig thereof is saved.

In order to achieve the above and other objects, the present invention provides an electronic component compression joint apparatus, which includes a pitch changing set, a compression device and a driving mechanism. The variable pitch set comprises a seat part and at least one carrier, wherein the carrier is positioned on one surface of the seat part, and the position of the carrier on the surface of the seat part is adjustable. The pressure device is arranged on the carrier, so that the position of the pressure device can be adjusted along with the carrier. The distance-changing group is arranged on the driving mechanism, so that the driving mechanism can drive the distance-changing group and the pressure-taking device to move along a pressure-connecting direction.

In some cases, one of the base and the carrier has a positioning hole, and the other has a positioning post, and the variable pitch set further comprises a locking device, so that the carrier can be detachably pressed against the base, and the positioning post can be inserted into the positioning hole.

In some cases, the locking device includes an electromagnetic coil fixedly disposed on one of the seat portion and the carrier, and the other of the seat portion and the carrier is made of a magnetic material.

In some cases, one of the seat and the carrier has a through hole, and the other has a screw hole, and the locking device includes a screw rod passing through the through hole and being screwed into the screw hole.

In some cases, the seat comprises a lateral slide rail perpendicular to the crimping direction, the carrier being slidably disposed on the lateral slide rail.

In some cases, the seat further comprises a longitudinal slide rail perpendicular to the transverse slide rail and the crimping direction, the transverse slide rail being slidably disposed on the longitudinal slide rail.

In some cases, the seat further comprises a set of screws capable of driving the carriage along the slide.

In some cases, the pitch-variable set comprises a plurality of stages, the screw set comprises a first section and a second section, the lead of the first section is different from the lead of the second section, one stage is linked with the first section, and the other stage is linked with the second section.

The invention also provides test classification equipment which comprises the electronic element crimping device, a machine table, a feeding device, a material receiving device and a test device. The feeding device is arranged on the machine table and is provided with at least one feeding bearing device for containing at least one electronic element to be tested. The material receiving device is arranged on the machine table and is provided with at least one material receiving and bearing device for accommodating at least one tested electronic element. The testing device is assembled on the machine table and is provided with at least one testing seat. The electronic component pressing device is configured on the machine table so as to transfer at least one electronic component to the testing device, press the electronic component towards the testing device and move the electronic component out of the testing device, so that the testing device can perform testing operation on the electronic component. The control device is used to integrate the actions of the feeding device, the electronic component pressing device, the testing device and the receiving device to execute the automatic operation.

Therefore, the electronic component crimping device provided by the invention can adjust the positions of the respective pressers by utilizing the variable pitch group, and can adjust the space between the adjacent pressers when a plurality of pressers are arranged, thereby meeting the test requirements of different electronic components. When the electronic element to be tested is changed, the user can adjust the position of the pressure device without disassembling the whole pressure device, the material shifter or the pressure device and the accessory jig thereof, so that the time for disassembling the parts, aligning and correcting can be reduced, the working efficiency of the whole test sorting equipment is improved, and the equipment cost of the test sorting equipment is reduced.

Drawings

Fig. 1 is a schematic plan view of a test sorting apparatus according to a first embodiment of the present invention.

Fig. 2 is a schematic side view of an electronic component crimping apparatus according to a first embodiment of the invention.

Fig. 3 is a partially enlarged schematic view of fig. 2.

Fig. 4 is a perspective view of a pitch cluster in accordance with a first embodiment of the present invention.

Fig. 5 is an exploded perspective view of a second embodiment pitch cluster of the present invention.

Fig. 6 is an exploded perspective view of a pitch cluster in accordance with a third embodiment of the present invention.

Description of reference numerals: an electronic component crimping apparatus 10; a variable pitch group 11; a seat 111;

stages

112a, 112b, 112c, 112 d; a lateral slide rail 113;

longitudinal slide rails

114, 115; a transverse screw set 116; a longitudinal screw group 117; the first step 117 a; the second step 117 b; a first slider 118; a second slider 119; a press 12; a drive mechanism 13; a power source 131; a drive train 132; the lifting screw group 133; a frame 134; a lifting slide rail 135; a hold-down arm 136; an electronic component crimping device 20; a pitch group 31; a seat 311;

stages

312a, 312 b; positioning holes 313;

hole sites

313a, 313b, 313 c; positioning holes 314;

positioning posts

315a, 315 b; a locking device 316; a locking device 317; a machine table 91; the

rails

911, 912;

traversing units

913, 914; a supply device 92; a pick-and-place device 921; feeding carrying

platforms

922, 923; a feed receiver 924; a material receiving device 93; discharging carrying tables 931, 932; a pick-and-place device 933; a material receiving and holding device 934; a testing device 94; a test seat 941; a feeding tray 95;

discharge trays

96, 97; and an electronic component 99.

Detailed Description

The present invention provides an electronic component crimping device, which can be assembled in a test sorting apparatus, referring to fig. 1, the test sorting apparatus is an apparatus for testing electronic components such as a wafer, a circuit board, etc., and sorting the electronic components according to the test result, the test sorting apparatus includes a machine table 91, a feeding device 92, a receiving device 93 and a testing device 94, and can accommodate a feeding tray 95 and discharging

trays

96 and 97. The machine 91 is, for example, a platform-type rack, and can be assembled and fixed by other devices, and the machine 91 has

rails

911 and 912 and

traverse units

913 and 914. The feeding device 92 includes a pick-and-place device 921,

feeding stages

922, 923 and a feeding holder 924, the feeding holder 924 is configured to hold the feeding tray 95, the pick-and-place device 921 is configured to take the electronic components carried in the feeding tray 95 from the feeding tray 95, and move and place the electronic components on the feeding stage 922 or the feeding stage 923, the feeding stage 922 is disposed on the rail 911 and is configured to move along the rail 911, and move the electronic components to the side of the testing device 94, so as to wait for the electronic component pressing

devices

10, 20 to take the electronic components, and move the electronic components to the testing device 94 for testing. The testing device 94 has a testing circuit board, which includes one or more testing seats 941. The electronic component pressure bonding device 10 is provided to the traverse unit 913, and can be moved between the rail 911 and the testing device 94 by the traverse unit 913. The material receiving device 93 includes

discharging carriers

931, 932, another pick-and-place device 933, and a receiving carrier 934, where the

discharging carriers

931, 932 can move along the

rails

911, 912, after the electronic component is tested, the electronic component pressing

devices

10, 20 can move the electronic component to the side of the testing device 94, and place the electronic component on the discharging carrier 931 or the discharging carrier 932, after the

discharging carriers

931, 932 receive and carry the electronic component at the side of the testing device 94, transfer the electronic component to a position close to the pick-and-place device 933, the pick-and-place device 933 can pick up the electronic component from the discharging carrier 931 or the discharging carrier 932, the receiving carrier 934 is used for accommodating the

discharging carriers

96, 97, and the picking-and-place device 933 can move the electronic component according to the test result of the electronic component, place the electronic component in the

discharging carriers

96, 97 in a classified manner, so as to complete the test and classification operation of the electronic component. In addition, the test sorting equipment is also provided with a control device for integrating the actions of the feeding device, the electronic element pressing device, the test device and the material receiving device so as to execute the automatic operation. The test sorting apparatus shown in fig. 1 has two sets of an input stage, an electronic component pressure bonding device, and an output stage, and can move electronic components into and out of the test apparatus from the left and right sides of the test apparatus, respectively, but it is not impossible to perform an operator only by using a single set of the input stage, the electronic component pressure bonding device, and the output stage. Since the two sets of electronic component pressing devices are only arranged in the opposite direction of the moving direction, the same or symmetrical mechanism can be adopted, and the following only refers to one set of electronic component pressing devices.

Referring to fig. 2 to 4, the electronic component compression joint apparatus 10 of the present embodiment includes a pitch-variable group 11, a compression unit 12 and a driving device 13.

Referring to fig. 4, the pitch-variable group 11 includes a seat 111 and four

stages

112a, 112b, 112c, and 112d, wherein the seat 111 includes a transverse slide rail 113,

longitudinal slide rails

114 and 115, a transverse screw group 116, a longitudinal screw group 117, a first slide block 118, and a second slide block 119.

The longitudinal sliding

rails

114, 115 are perpendicular to the transverse sliding rail 113, the longitudinal sliding

rails

114, 115 are slidably disposed on the transverse sliding rail 113 and can move along the transverse sliding rail 113, the transverse screw set 116 is disposed parallel to the transverse sliding rail 113, the transverse screw set 116 has a front section and a rear section, the front section is screwed to the longitudinal sliding rail 114, the rear section is screwed to the longitudinal sliding rail 115, so that the transverse screw set 116 is interlocked with the longitudinal sliding

rails

114, 115, and can drive the longitudinal sliding

rails

114, 115 to move when the transverse screw set 116 rotates, wherein, the transverse screw set 116 can be connected to the handle to rotate manually by manpower, or connected to a power device such as a motor to rotate under the control of a circuit, the front section and the rear section of the transverse screw set 116 have different lead lengths, for example, the lead lengths of the front section and the rear section can be set to be equal and opposite, so that the transverse screw set 116 can move the longitudinal slide rail 114 and the longitudinal slide rail 115 closer to or farther away from each other when rotating.

The four

stages

112a, 112b, 112c, and 112d are respectively disposed on the

longitudinal slide rails

114 and 115, and are located on a side surface of the seat 111, for example, the bottom surface of the seat 111 shown in fig. 2 and 3, and can move along the

longitudinal slide rails

114 and 115, the first slider 118 is inserted in two

stages

112a and 112b by a slide bar, and is arranged between the two

longitudinal slide rails

114 and 115, the second slider 119 is inserted in two

stages

112c and 112d by a slide bar, and is arranged between the two

longitudinal slide rails

114 and 115, so that the

stages

112a, 112b, 112c, and 112d are linked with the first slider 118 or the second slider 119, and the first slider 118 and the second slider 119 drive the

stages

112a and 112b to move together when moving, and the second slider 119 drives the

stages

112c and 112d to move together when moving.

The longitudinal screw set 117 is disposed parallel to the

longitudinal slide rails

114, 115, the longitudinal screw set 117 has a first section 117a and a second section 117b, the first section 117a is screwed to the first slider 118, the second section 117b is screwed to the second slider 119, so that the longitudinal screw set 117 is linked with the first slider 118, the second slider 119 and the

stages

112a, 112b, 112c, 112d, and the first section 117a and the second section 117b of the longitudinal screw set 117 have different lead lengths, for example, the lead lengths of the first section 117a and the second section 117b can be set to be equal in magnitude and opposite in direction, so that the first slider 118 and the second slider 119 can be close to or far from each other when the longitudinal screw set 117 rotates. However, in other possible embodiments of the present invention, it is also feasible to change the lead of the first section and the second section to be the same or different, for example, the lead of the first section is twice as large as the lead of the second section. Similar to the transverse screw set 116, the longitudinal screw set 117 may be connected to a handle for manual rotation, or connected to a power device such as a motor for rotation controlled by a circuit, so as to drive the first slide 118 and the second slide 119 to approach or separate from each other.

Referring to fig. 1 to 4, the presser 12 is disposed on the bottom surface of the

carriers

112a, 112b, 112c, 112d and can move together with the carriers when the carriers move, wherein the pusher 12 is, for example, an electronic component suction base connectable to an external vacuum pressure source, and is capable of picking up the electronic component 99 from the material-feeding stage 922, and after the electronic component 99 is carried to the testing seat 941 of the testing device 94, the testing seat 941 facing the testing device 94 presses against the electronic component 99, so that the testing seat 941 can stably contact the electronic component 99, after the testing device completes the testing, the pusher 12 still holds the electronic component 99, and after moving to the discharging carrier 931, the electronic component 99 is put down, and depending on the actual testing conditions of the tested electronic component, the pusher 12 may include a temperature control mechanism or a dewing prevention mechanism as described in the patent TWI349777 or the patent taiwan patent TWI564576, or may also contain floating devices such as those described in the TWI445963 patent or the taiwan patent, TWI 477791.

The driving mechanism 13 is provided for the pitch-variable set 11, the driving mechanism 13 includes a power source 131, a transmission set 132, a lifting screw set 133, a frame 134, a lifting slide rail 135 and a pressing arm 136, the power source 131 is, for example, a motor, the transmission set 132 is, for example, a belt pulley set, connected to the power source 131 and driven by the power source 131, the lifting screw set 133 is connected to the transmission set 132 and driven by the transmission set to rotate, the frame 134 is provided on the lifting slide rail 135 and can move along the lifting slide rail 135, the extending direction of the lifting slide rail 135 is defined as the pressing direction, the pressing arm 136 is disposed on the frame 134, and is screwed with the lifting screw set 133, when the lifting screw set 133 rotates, the pressing arm 136 is driven to move up and down along the pressing direction, the variable pitch set 11 is disposed at the bottom of the pressing arm 136, so that the driving mechanism 13 can drive the transmission set 132, the lifting screw set 133 and the pressing arm 136 by the power source 131, and then the pitch-variable group 11 and the presser 12 are driven to move along the pressing direction along with the pressing arm 136.

By using the above device, when performing test and classification operation of electronic components, the driving mechanism 13 can be used to drive the pitch varying set 11 and the pressing device 12 to move along the pressing direction, so as to pick up the electronic component 99, and press the electronic component against the testing device for testing, wherein the pressing direction is perpendicular to the longitudinal slide rail and the transverse slide rail, the positions of the carrying stages on the bottom surface of the seat portion can be adjusted by means of the transverse screw set and the longitudinal screw set, and the distance between the carrying stages can be adjusted, so as to meet the size and testing requirements of individual electronic components.

Referring to fig. 5, a second embodiment of the present invention provides another pitch group 31, which can be applied to the embodiments shown in fig. 1 to 4, and replaces the pitch group 11 therein for disposing the pressure extractor 12 thereon. The pitch-varying group 31 of the second embodiment of the present invention includes a seat portion 311 and a plurality of

stages

312a, 312b, the seat portion 311 is made of magnetic material such as iron, the bottom surface of the seat portion 311 has a plurality of

positioning holes

313, 314, a plurality of

holes

313a, 313b, 313c are provided in the positioning hole 313, the bottom surface of the stage 312a is provided with the pressure-fetching device 12, the top surface of the stage 312a has a plurality of

positioning posts

315a, 315b, the number, size and position of the

positioning posts

315a, 315b correspond to the positioning holes 313 and can be inserted into any

hole

313a, 313b or 313c of the positioning hole 313. The pitch-variable group further has a locking device 316, the locking device 316 is an electromagnetic coil and is disposed and fixed on the carrier 312a, the locking device 316 can be excited by receiving the control of an external circuit and power through a wire or a power terminal, the carrier 312a is locked on the seat 311 by magnetic force, and the carrier 312a is detachably pressed against the seat 311.

With the above-described apparatus, when the electronic component compression bonding apparatus is used by being mounted in the test sorting apparatus, the

positioning posts

315a and 315b of the stage 312a can be inserted into one of the

holes

313a, 313b, or 313c on the bottom surface of the seat 311, and the locking device 316 is excited by electric power, so that the stage 312a is locked and fixed on the bottom surface of the seat 311; when a user wants to test electronic components with different sizes, the power of the locking device 316 can be cut off first to demagnetize the locking device 316, so that the carrier 312a can be directly removed, the

positioning posts

315a and 315b can be inserted into another

hole

313a, 313b or 313c of the seat 311, and then the locking device 316 is excited by the power, so that the distance between the position of the respective carrier and the adjacent carrier can be adjusted, and the size and the test requirements of the respective electronic component can be met.

In the second embodiment, it is preferable that the stage is also made of a magnetic material such as iron, and a permanent magnet is attached to either the stage or the seat, so that the stage and the seat can be held in position in advance when the lock device 316 is demagnetized, and the stage is prevented from directly falling when the power of the lock device is cut off by adjusting the position of the stage, thereby improving the convenience of operation for the user.

Next, in another possible embodiment of the present invention, the lock device of the stage may be provided in the seat portion instead, and the stage may be made of a magnetic substance such as iron, for example, and the similar effects to those of the second embodiment can be obtained.

Referring to fig. 6, a third embodiment of the present invention provides another pitch changing set 31, which is similar to the second embodiment of the present invention shown in fig. 5, except that the base 311 and the

stages

312a and 312b may not have electromagnetic coils, the locking device 317 is changed to be a screw, the stage 312a is provided with a through hole 318, the base 311 is provided with a screw hole 319, the locking device 317 is used to penetrate through the through hole 318 of the stage 312a and detachably screwed into the screw hole 319 of the base 311, the stage 312a can be locked and pressed against and fixed to the base 311, and the

positioning posts

315a and 315b and the positioning holes 313 and 314 provide a function of adjusting the position of the stage.

In other possible embodiments of the present invention, the positions of the through hole 318 and the screw hole 319 in the third embodiment shown in fig. 6 may be changed, for example, the through hole is provided on the seat portion, the screw hole is provided on the carrier, and the screw of the locking device is inserted into the through hole of the seat portion and detachably screwed into the screw hole of the carrier, so that similar functions as those of the third embodiment can be obtained.

In the above embodiment, the electronic component crimping apparatus has four or eight stages and four or eight squeezers, however, it is not necessary if only one stage and one squeezer are mounted based on the function of the adjustable stage position.

To summarize the above description, the electronic component crimping apparatus of the above embodiments can provide the function of adjusting the position of the pusher, and can adjust the position of each pusher or the distance between adjacent pushers without removing the whole feeder or the pusher and the jig thereof, so as to meet the test requirements of different electronic components, and when changing the electronic component to be tested, the maintenance and adjustment speed of the electronic component crimping apparatus and the test sorting equipment can be increased, the time consumed by the shutdown adjustment and alignment, and correction can be reduced, and the utilization rate of the whole production line can be increased; in addition, the material shifter, the material pressing shifter and the additional jig thereof which need to be prepared for replacement in advance are reduced, and the equipment cost of the test sorting equipment can also be reduced.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An electronic component crimping apparatus, comprising:

the variable pitch group comprises a seat part and at least one carrier, the carrier is positioned on one surface of the seat part, and the position of the carrier on the surface of the seat part can be adjusted;

the pressure device is arranged on the carrier, so that the position of the pressure device can be adjusted along with the carrier;

the driving mechanism is arranged on the variable pitch group and can drive the variable pitch group and the pressure device to move along a pressure connection direction.

2. An electronic component crimping apparatus as claimed in claim 1, wherein: one of the seat part and the carrying platform is provided with a positioning hole, the other one is provided with a positioning column, the variable pitch set comprises a locking device, the locking device enables the carrying platform to be detachably pressed against the seat part, and the positioning column is inserted into the positioning hole.

3. An electronic component crimping apparatus as claimed in claim 2, wherein: the locking device comprises an electromagnetic coil which is fixedly arranged on one of the seat part and the carrying platform, and the other of the seat part and the carrying platform is made of magnetic materials.

4. An electronic component crimping apparatus as claimed in claim 3, wherein: one of the seat and the carrying platform is provided with a permanent magnet, and the other is made of magnetic material.

5. An electronic component crimping apparatus as claimed in claim 2, wherein: one of the seat part and the carrying platform is provided with a through hole, the other one of the seat part and the carrying platform is provided with a screw hole, and the locking device comprises a screw rod which is arranged in the through hole in a penetrating way and is locked in the screw hole in a screwing way.

6. An electronic component crimping apparatus as claimed in claim 1, wherein: the seat part comprises a transverse sliding rail, the transverse sliding rail is perpendicular to the crimping direction, and the carrying platform is slidably arranged on the transverse sliding rail.

7. An electronic component crimping apparatus as claimed in claim 6, wherein: the seat comprises a longitudinal slide rail, the longitudinal slide rail is perpendicular to the transverse slide rail and the compression joint direction, and the transverse slide rail is slidably arranged on the longitudinal slide rail.

8. An electronic component crimping apparatus as claimed in claim 6, wherein: the seat part comprises a screw rod group which is linked with the carrying platform and can drive the carrying platform to move along the transverse sliding rail.

9. An electronic component crimping apparatus as claimed in claim 8, wherein: the variable-pitch group comprises a plurality of carrying platforms, the screw group comprises a first section part and a second section part, the lead of the first section part is different from that of the second section part, one carrying platform is linked with the first section part, and the other carrying platform is linked with the second section part.

10. A test sorting apparatus, comprising:

a machine platform;

the feeding device is arranged on the machine table and is provided with at least one feeding bearing device for containing at least one electronic element to be tested;

the material receiving device is arranged on the machine table and is provided with at least one material receiving and bearing device for accommodating at least one tested electronic element;

the testing device is assembled on the machine table and is provided with at least one testing seat; and

an electronic component crimping apparatus as claimed in any one of claims 1 to 9;

the electronic element crimping device is configured on the machine table so as to transfer at least one electronic element to the test device, press the electronic element towards the test device and move the electronic element out of the test device, so that the test device can execute test operation on the electronic element;

the control device is used for integrating the actions of the feeding device, the electronic element pressing device, the testing device and the material receiving device so as to execute automatic operation.