CN108349662A - Gas injection mechanism and parts feeder - Google Patents
Gas injection mechanism and parts feeder Download PDFInfo
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- CN108349662A CN108349662A CN201680063695.5A CN201680063695A CN108349662A CN 108349662 A CN108349662 A CN 108349662A CN 201680063695 A CN201680063695 A CN 201680063695A CN 108349662 A CN108349662 A CN 108349662A
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- gas injection
- injection mechanism
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- 238000002347 injection Methods 0.000 title claims abstract description 61
- 239000007924 injection Substances 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 36
- 230000008859 change Effects 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 6
- 230000004044 response Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000010485 coping Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
- B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
- B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Sorting Of Articles (AREA)
Abstract
In order to provide digital management can be carried out to the flow of compressed air, pressure, and the gas injection mechanism of the reduction of operating efficiency can be prevented, gas injection mechanism (1) is used to spray compressed air successively towards multiple workpiece (W), wherein, gas injection mechanism (1) is configured to, including：Flow adjustment unit (3A) has the two-way valve (3) for being connected with compressed air source (11), capable of continuously changing opening and closing amount；Host controller (4) is used to export the parameter of the type of suitable workpiece (W)；And piezoelectricity valve actuator (5), ratio control is carried out to the opening and closing amount of two-way valve (3) based on applied voltage corresponding with the parameter that host controller (4) is exported.
Description
Technical field
The present invention relates to numerically controlled gas injection mechanism and part confession can be carried out to the flow of compressed air, pressure
To device.
Background technology
All the time, it is known that a kind of posture that the workpiece such as electronic component (chip) can be distinguished on transport path, and from
The workpiece of inappropriate posture is removed on transport path or the workpiece is made to be turned in transport path and transfers posture correction, and energy
The workpiece of appropriate posture in addition to this is transported to the parts feeder (such as patent document 1) of defined supply destination.
In this parts feeder, such as shown in fig. 7, inappropriate posture is removed using gas injection mechanism 15
Workpiece W (bad workpiece W ') or to correct the posture of workpiece W be convention, which includes and compressed air
Adjuster 12 that source 11 is connected, configuration are in the triple valve 700 in the downstream of adjuster 12 and configuration in the downstream of triple valve 700
The needle-valve (speed control is also recorded as " speed control device " below) 50 with check valve.
The pressure adjustment (decompression) of the compressed air supplied from compressed air source 11 is certain value by adjuster 12.
Triple valve 700 includes the 1st interface 107a of the outlet for leading to adjuster 12, leads to via the needle-valve 50 with check valve
To the gas supply and discharge access 21 of parts feeder 2 the 2nd interface 107b and lead to the interface 3 107c of atmosphere zone.Threeway
Valve 700 makes the 2nd interface 107b be connected via the access 171 in valve rod 170 with interface 3 107c when being not powered on, and will
It is cut off between 1st interface 107a and the 2nd interface 107b, the compressed air for supplying self tuning regulator 12 near the 1st interface 107a
It blocks.And when being powered, 170 displacement of valve rod makes the 1st interface 7a and the 2nd interface 107b via 173 phase of access in valve rod 170
Connection, to which the compressed air that self tuning regulator 12 supplies to be supplied to the needle-valve (hereinafter also referred to as " needle-valve ") with check valve
50。
Needle-valve 50 with check valve is used to adjust the flow of compressed air, and the compressed air of regulation flow is supplied to
The gas supply and discharge access 21 of parts feeder 2.In addition, being switched to disconnection and compressed air hair to the energization of triple valve 700
In the case of having given birth to reversed flowing, the needle-valve 50 with check valve can generate free-flowing in 51 side of check valve, keep compression empty
Gas is flowed towards triple valve 700.
Using parts feeder 2 of this gas injection mechanism 15, sensor 65 can be utilized to detect work
Part W, and the sensor amplifier 68 of included decision-making function exports letter at the time of bad workpiece W ' reaches defined processing position P
Number, so that triple valve 700 is opened and closed (being switched on or switched off) to 172 applied voltage of electromagnetic solenoid of triple valve 700, thus from gas
Supply and discharge access 21 sprays compressed air to the bad workpiece W ' positioned at processing position P, is thus removed from transport path 20 bad
Workpiece W ' makes bad workpiece W ' be overturn on transport path 20.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2015-30566 bulletins
Invention content
Problems to be solved by the invention
In addition, in parts feeder 2, due to the difference of the size of workpiece W, it is empty to be most suited to the compression for overturning or removing
The flow of gas, pressure are also different, therefore consider to be adjusted needle-valve 50 so that the flow and pressure of compressed air become and work
The flow and pressure to match for the workpiece W of object and the open hour of triple valve 700.
At this point, in the adjustment of needle-valve 50, it is expected that dial type speed control device, flow sensor or pressure sensor are used,
So as to be reproduced by digital management, but due to being subtle adjustment, dial type speed control device is being used
In the case of, it cannot properly be adjusted completely.In addition, with the microminiaturization of workpiece W in recent years, most suitable compressed air
Flow, pressure also microminiaturization (reduction), using flow sensor, pressure sensor in the case of, since measured value is too small
Thus it can not accurately be detected and (be difficult to carry out by the sensing detection of the realizations such as flow sensor, pressure sensor).
Therefore, in order to carry out answering border to adjust caused by the action as the workpiece W of object, needle-valve is usually manually adjusted
50, but when by being finely adjusted manually, due to be with feeling to be adjusted, it is relatively low to the reproducibility of same settings.
Therefore, even if the kind for each workpiece W can not return to original setting value if readjusting needle-valve 50, existing can not
The accurately flow of management compressed air, pressure this problem.
Additionally, there are the multi items for using the same parts feeder 2 supply the workpiece W of multiple types (kind)
The case where coping with operation, in the structure of application gas injection mechanism 15, whenever changing the kind for the workpiece W to be conveyed, all
The needle-valve 50 to be adjusted in advance for each kind is needed replacing, or needs to readjust needle-valve 50 every time, therefore
There are the poor this problems of operating efficiency.
It is an object of the present invention to efficiently solve above-mentioned this problem, provide can be to compressed air flow, pressure
Digital management is carried out, and the gas injection mechanism and parts feeder of the reduction of operating efficiency can be prevented.
The solution to the problem
The present invention takes following such scheme in view of above this problem.
That is, the gas injection mechanism of the present invention is used to spray compressed air successively by ejecta towards multiple, gas spray
It penetrates mechanism to be characterized in that, which includes：Flow adjustment unit, have be connected with compressed air source, energy
Enough switching valves for continuously changing opening and closing amount；Parameter output unit is used to export the parameter of the suitable type by ejecta；With
And ratio control unit, it is based on applied voltage corresponding with the parameter or impressed current, the opening and closing to the switching valve
Measure carry out ratio control.
Using this structure, the parameter that can be exported based on autoregressive parameter output unit, setting has flow adjustment unit
Some switching valves additional applied voltage or impressed current, to which proportion of utilization control unit is with the applied voltage or impressed current
Ratio control is carried out to the opening and closing amount of switching valve, therefore the flow for the compressed air that adaptive switched valve exports, pressure can be set as
It is suitble to by the size of the type of ejecta.Therefore, the flow for the compressed air that can be exported to adaptive switched valve is properly finely adjusted,
And it, can be accurately to the flow for the compressed air sprayed from gas injection mechanism, pressure with the reproducibility to same settings
Power carries out digital management.In addition, in the case where coping with multi items, it is not necessary to change the type by ejecta conveyed every time
When be all separately changed to the switching valve for having carried out different set, so as to prevent the reduction of operating efficiency.
Especially, in order to keep the response of the injection of compressed air good, it is preferable that the switching valve is piezo electric valve.
It is particularly preferred that applied in defined processing position to the not skilled worker in the workpiece that transport path conveys
In the case that part sprays the parts feeder of compressed air, it is suitble to workpiece to have to the injection of bad workpiece at the time of appropriate
The flow of type, pressure compressed air, gas injection mechanism has reaches the processing position for finding out bad workpiece
At the time of at the time of acquisition unit, and the parameter output unit be configured to output be suitble to conveyed workpiece type ginseng
Number, the ratio control unit were configured at the moment acquisition unit obtained moment, will be corresponding with the parameter
Voltage is applied to the switching valve.
Or preferably, gas injection mechanism have for find out at the time of bad workpiece reaches the processing position when
Acquisition unit is carved, and the parameter output unit is configured to the relevant number of type that can be inputted with the workpiece conveyed
According to input unit, generate and export the parameter based on the data for being input to the input unit, the ratio control unit is constituted
For at the time of the moment acquisition unit acquires, will voltage corresponding with the parameter applied to the switching valve.
In order to spray compressed air, the switching valve need be two interfaces or more switching valve, include at least and lead to
1st interface of compressed air source and the 2nd interface for leading to the gas supply and discharge access for being formed in the transport path, and this is cut
Change valve can make the 1st interface and the 2nd interface become the communicating position of connected state and make the 1st interface with it is described
2nd interface switches over as between the non-interconnected position of non-interconnected state.Especially, under the pressure in order to accelerate compressed air
It drops and keeps the response of the injection of compressed air better, it is preferable that the switching valve is that also have to lead to atmosphere zone
Interface 3, can the communicating position for making the 1st interface be connected with the 2nd interface and make the 2nd interface with it is described
The switching valve of three interfaces switched between the atmosphere opening position as non-interconnected position that interface 3 is connected.
In addition, accurately digital management, and energy can be carried out to the flow of the compressed air of injection, pressure in order to realize
The parts feeder of the reduction of operating efficiency is prevented in the case where coping with multi items, it is preferable that spray using above-mentioned gas
Compressed air is sprayed to the bad workpiece conveyed along transport path by mechanism, removes the bad workpiece from the transport path, or make
The bad workpiece turns in the transport path then changes posture.
The effect of invention
Using present invention mentioned above, it is capable of providing following gas injection mechanism and parts feeder：It can be used
One switching valve is finely adjusted the flow of compressed air, pressure, and with the reproducibility to same settings, can be accurately
Digital management is carried out to the flow of the compressed air of injection, pressure, in addition in the case where coping with multi items, it is not necessary to be changed to needle
The switching valve that different settings has been carried out to the type of each transported material, can prevent operating efficiency from reducing.
Description of the drawings
Fig. 1 is to indicate that the gas injection mechanism of one embodiment of the present invention shows with the state applied to parts feeder
It is intended to.
Fig. 2 is the schematic diagram of gas injection mechanism when locally indicating to carry out the injection of compressed air.
Fig. 3 is the figure for indicating the variation of the present invention.
Fig. 4 is the figure for indicating another variation of the present invention.
Fig. 5 is the figure for indicating the another variation of the present invention.
Fig. 6 is the figure for indicating the another variation of the present invention.
Fig. 7 is the figure for indicating previous structure.
Specific implementation mode
Hereinafter, being described with reference to one embodiment of the present invention.
As shown in Figure 1, the gas injection mechanism 1 as one embodiment of the present invention applies in parts feeder 2.Zero
Part feeder 2 is used to convey multiple workpiece W as transported material along transport path 20, which is based on utilization pair
The image data that the video camera 65 that transported workpiece W is imaged obtains distinguishes posture in turn come the posture etc. for distinguishing workpiece W
It is bad whether, be set in than video camera 65 lean on conveyance direction downstream side processing position P, remove quilt from transport path 20
Be characterized as undesirable bad workpiece W ' or make the bad workpiece W ' transport path 20 turn over then posture correction.In transport path
20 are formed with gas supply and discharge access 21 in a manner of penetrating through side wall 20a, and gas injection mechanism 1 is via 21 direction of gas supply and discharge access
Processing position P sprays compressed air, but at this point, in the present embodiment, with be suitble to conveyed workpiece W type,
Specifically the flow of the kind of workpiece W, pressure compressed air bad workpiece W ' is handled.
Gas injection mechanism 1 includes gas return path 10, host controller 4, image processing apparatus 6 and piezoelectricity valve actuator
5。
Gas return path 10 includes：Adjuster 12 is connected with compressed air source 11 (shop equipment), which uses
It is certain value to be depressurized in the compressed air that will be supplied from compressed air source 11；And two-way valve 3, it configures under adjuster 12
Trip, the two-way valve 3 are used to adjust the flow for being conditioned the compressed air after device 12 depressurizes.12 profit of compressed air source 11 and adjuster
With the 1st gas pipe path 13a connections, adjuster 12 is connected with two-way valve 3 using the 2nd gas pipe path 13b, two-way valve 3
It is connected using the 3rd gas pipe path 13c with gas supply and discharge access 21.In the present embodiment, two-way valve 3 constitutes flow adjustment
Unit 3A.
Two-way valve 3 as switching valve includes leading to the 2nd gas pipe path 13b i.e. the 1st of the outlet of adjuster 12 the to connect
Mouth 3a, and lead to the 2nd interface 3b of the 3rd gas pipe path 13c i.e. gas supply and discharge access 21 of parts feeder 2.Bilateral
Valve 3 is configured to switch between the occlusion locations L and communicating position R shown in Fig. 2 as non-interconnected position shown in Fig. 1,
In above-mentioned occlusion locations L, which closes off the 1st interface 3a and the 2nd interface 3b, in above-mentioned communicating position R, this pair
Port valve 3 makes the 1st interface 3a be connected in inside via the switching part 33 of work department 30 with the 2nd interface 3b.
By to the electrical energization of input unit 32 (applied voltage) possessed by two-way valve 3, making 30 displacement of work department, thus into
The above-mentioned switching of row, when not being powered to electrical input unit 32, work department 30 becomes occlusion locations L shown in FIG. 1, self tuning regulator 12
The compressed air for being supplied to two-way valve 3 is blocked near the 1st interface 3a.And when being powered to electrical input unit 32, work department
30 displacements and become communicating position R shown in Fig. 2, the compressed air that self tuning regulator 12 supplies from the 1st interface 3a input and via
Switching part 33 is from the 2nd interface 3b outputs, to be supplied to gas supply and discharge access 21.As a result, from gas supply and discharge access 21 towards place
It manages position P and sprays compressed air.Also, when stopping being powered to electrical input unit 32, work department 30 is towards original position
It moves and returns to occlusion locations L shown in FIG. 1, stopped by the injection that gas return path 10 carries out.
In addition, the opening and closing amount (opening amount) of displacement, that is, two-way valve 3 of work department 30 can be according to applied to electrical input
The voltage in portion 32 and continuously change, opening and closing amount is uniquely determined by applied voltage, thus can to from gas supply and discharge access 21 supply
The flow and pressure for the compressed air given are finely adjusted.In addition, two-way valve 3 is to have used the valve of piezoelectric element to press in driving source
Electric valve, it is very fast (high-speed response) by the response after additional voltage compared with such as solenoid valve, proportioning valve.
Host controller 4 as parameter output unit be stored with the type of suitable workpiece W, specifically workpiece W product
The various parameters of the driver setting of kind, the workpiece W which is used to be most suited to convey on transport path 20
The parameter of kind be output to image processing apparatus 6.
Image processing apparatus 6 includes：Driver configuration part 64 is used to send the parameter exported from host controller 4
To the communication input and output portion 51 of piezoelectricity valve actuator 5；Image processing part 61 is used for the image to using video camera 65 to obtain
Data are handled；Image identifying portion 62 can distinguish workpiece W's based on data obtained from being handled by image processing part 61
Posture etc. it is bad whether；And instruction department 63, image identifying portion 62 is characterized as the i.e. bad workpiece W ' of undesirable workpiece W and is arrived
Data (time data) at the time of up to processing position P are output to the instruction of piezoelectricity valve actuator 5 as removal overturning instruction
Input unit 54.Such as it is arrived according to using the conveying speed etc. of bad workpiece W ' that above-mentioned image data calculates to find out bad workpiece W '
At the time of up to processing position P, image processing apparatus 6 is also as finding out at the time of bad workpiece W ' reaches processing position P
Moment acquisition unit functions.
It is defeated via communication input and output portion 51 in parameter for the piezoelectricity valve actuator 5 as ratio control unit
Fashionable, which prestores certainly and the ratio of each parameter controls the relevant for example each parameter of various data
The applied voltage configuration part 53 of applied voltage transfer out corresponding applied voltage value, set the applied voltage (ratio to two-way valve 3
Example control).Equally, the also signal by applied voltage configuration part 53 for each parameter setting relative to instruction input 54
The setting of synchronism output and the output voltage wave of switching, the raising and lowering etc. of one shot output, ono shot pulse time
Setting and normally closed and normally opened switching etc. corresponding with the mechanism of instruction input 54, two-way valve 3.
In addition, data at the time of piezoelectricity valve actuator 5 is based on inputting via instruction input 54 from instruction department 63, will utilize
The voltage that applied voltage configuration part 53 is set is via output control unit 55 and voltage output circuit 56 applied to the electrical of two-way valve 3
Input unit 32.In this way, in a period of conveying the workpiece W of same breed, directly determine applied voltage without being directed to every time
The injection of compressed air carries out the feedback control of applied voltage, so as to accelerate the response of injection.
In the case of that construction, when starting the conveying of workpiece W, from host controller 4 by the kind of suitable workpiece W
Parameter be output to piezoelectricity valve actuator 5 via driver configuration part 64, using applied voltage configuration part 53 setting be most suited to
The applied voltage etc. of the kind of workpiece W.Image processing apparatus 6 utilizes image based on the image data for using video camera 65 to obtain
Determination unit 62 distinguish posture of workpiece W etc. it is bad whether, and at the time of find out bad workpiece W ' and reach processing position P, warp
Time data is output to piezoelectricity valve actuator 5 by instruction department 63.For piezoelectricity valve actuator 5, whenever time data passes through
When being inputted by instruction input 54, the piezoelectricity valve actuator 5 is all in the ono shot pulse using 53 setting of applied voltage configuration part
Applied voltage is applied to the electrical input unit 32 of two-way valve 3 in a period of the time.Alternatively, the case where being set as synchronism output
Under, in a period of from 63 output signal of instruction department of image processing apparatus 6, applied voltage is applied to input unit 32.
For two-way valve 3, work department 30 is according to applied voltage continuously displacement, and the two-way valve 3 is to be most suited to
The flow and pressure output compressed air of the kind of workpiece W.The compressed air exported from two-way valve 3 is via gas supply and discharge access 21
Bad workpiece W is reached, to properly remove bad workpiece W from transport path 20, or makes bad workpiece W in transport path 20
On properly overturn and change posture.In this way to be most suited to the flow and pressure injection compressed air of the kind of workpiece W,
So as to which the code ability of such as parts feeder 2 is maintained preferable state.
As described above, the gas injection mechanism 1 of present embodiment be used for towards it is multiple as by the workpiece W of ejecta successively
Spray compressed air, wherein the gas injection mechanism 1 includes：Flow adjustment unit 3A has and is connected with compressed air source 11
It connects, can continuously change the two-way valve 3 as switching valve of opening and closing amount；As the host controller 4 of parameter output unit,
For exporting the type of suitable workpiece W, the parameter of the specifically kind of workpiece W；And the piezoelectricity as ratio control unit
Valve actuator 5 carries out ratio control based on applied voltage corresponding with parameter to the opening and closing amount of two-way valve 3.
Using this structure, due to can be based on the parameter setting exported from host controller 4 to flow adjustment unit 3A
The applied voltage of possessed two-way valve 3, and using piezoelectricity valve actuator 5 with the applied voltage to the opening and closing amount of two-way valve 3 into
Row ratio controls, therefore can be set as the flow of the compressed air exported from two-way valve 3, pressure to be suitble to the kind of workpiece W
Size.Therefore, the flow of the compressed air exported from two-way valve 3 can be properly finely adjusted, and with to same settings
Reproducibility, can accurately to the flow for the compressed air sprayed from gas injection mechanism 1, pressure carry out digital management.Separately
Outside, in the case where coping with multi items (when multi items share parts feeder), it is not necessary to change conveyed workpiece W's every time
When kind, it is all separately changed to the two-way valve 3 for having carried out different set, so as to keep switching operation efficient, prevents operating efficiency
It reduces.
Particularly, since two-way valve 3 is piezo electric valve, the response of the injection of compressed air can be made good.
In addition, gas injection mechanism 1 is applied in defined processing position P to along the workpiece W that transport path 20 conveys
Bad workpiece W ' injection compressed air parts feeder 2, the gas injection mechanism 1 have is arrived for finding out bad workpiece W '
The image processing apparatus 6 as moment acquisition unit at the time of up to processing position P, and host controller 4 is configured to export
It is suitble to the parameter of the kind of conveyed workpiece W, piezoelectricity valve actuator 5 is configured to will at the time of image processing apparatus 6 acquires
Voltage corresponding with parameter is applied to two-way valve 3, therefore, it is possible to based on the parameter exported from host controller 4, to two-way valve
3 opening and closing amount carries out ratio control, has so as to be sprayed bad workpiece W ' at the time of appropriate using piezoelectricity valve actuator 5
There is the compressed air of the flow and pressure of the kind of suitable workpiece W.
Switching valve needs are the switching valve of two interfaces or more as two-way valve 3, which includes leading to compression sky
1st interface 3a of air source 11 and the 2nd interface 3b for leading to the gas supply and discharge access 21 for being formed in transport path 20, and this pair
Port valve 3 can make the 1st interface 3a and the 2nd interface 3b become the communicating position R of connected state and make the 1st interface 3a and the 2nd interface
3b switches over as between the occlusion locations L as non-interconnected position of non-interconnected state.In addition, as aftermentioned, it is above-mentioned
Switching valve also has the interface 3 for leading to atmosphere zone, since the switching valve is above-mentioned 1st interface to be made to be connect with the above-mentioned 2nd
The communicating position and make to state the atmosphere opening as non-interconnected position that the 2nd interface is connected with above-mentioned interface 3 that mouth is connected
The switching valve for three interfaces that position switches over, therefore accelerate the decline of the pressure of compressed air, make the injection of compressed air
Response is better.
In addition, gas injection mechanism 1 of the parts feeder 2 using present embodiment, to being conveyed not along transport path 20
Skilled worker's part W ' sprays compressed air, to remove the bad workpiece W ' from transport path 20 or make the bad workpiece W ' in transport road
Diameter 20 turns over then changes posture, therefore it is micro- that a two-way valve 3 can be used to carry out the flow of the compressed air of injection, pressure
It adjusts, there is the reproducibility to same settings, can accurately manage the flow and pressure of the compressed air of injection, and coping with
In the case of multi items, it is not necessary to when changing the kind of conveyed workpiece W every time, all be changed to and carry out the double of different set
Port valve 3, so as to prevent operating efficiency from reducing.
One embodiment of the present invention is this concludes the description of, but the concrete structure of each section is not only defined in above-mentioned reality
Apply mode.Hereinafter, pair similarly partly marking identical with above-mentioned structure reference numeral with above-mentioned structure and omitting the description.
For example, in the present embodiment, the parameter different for the kind of each workpiece W is exported from host controller 4,
But as shown in figure 3, can also be the structure (host controller for the species data for exporting conveyed workpiece W from host controller 4
4 specified kinds).In such a case it is possible to consider that image processing apparatus 6 is configured to, has and be stored with suitable each kind number
According to parameter parameter setting portion 66, utilize parameter setting portion 66 that will be suitble to the ginseng of species data that exported from host controller 4
Number is output to piezoelectricity valve actuator 5 via driver configuration part 64.In addition, in this configuration, image processing apparatus 6 constitutes parameter
Output unit.
In addition, the present invention is not limited to the structures from 4 output parameter of host controller, as shown in figure 4, can also be as follows
Structure：The structure can be manually entered as the setting input unit 52 of input unit that (panel is defeated possessed by the piezoelectricity valve actuator 5
Enter) with the relevant data of kind of workpiece W that are conveyed, and generated according to the data for being input to setting input unit 52 be suitble to it is each
The parameter of kind, to set applied voltage etc. using applied voltage configuration part 53.In addition, in this configuration, piezo electric valve driving
Device 5 constitutes parameter output unit.Alternatively, it is also possible to use sensor 67 and sensor amplifier 68 with decision-making function replaces taking the photograph
Camera 65 and image processing apparatus 6.In structure shown in Fig. 4, it is configured to, workpiece W is detected by sensor 67, and by being used for
Testing result based on sensor 67 finds out the biography as moment acquisition unit at the time of bad workpiece W ' reaches processing position P
Removal overturning instruction is output to instruction input 54 by sense amplifier 68, whenever removal overturning instruction input to instruction input
54, the applied voltage set by applied voltage configuration part 53 is all by applied to two-way valve 3.
In this way, gas injection mechanism 1 is applied in defined processing position P to the bad workpiece that is conveyed along transport path 20
W ' sprays the parts feeder 2 of compressed air, and the gas injection mechanism 1 is configured to, and has for finding out bad workpiece W '
The sensor amplifier 68 as moment acquisition unit at the time of processing position P is reached, and as the pressure of parameter output unit
There is electric valve actuator 5 setting as input unit that can be inputted with the relevant data of kind of the workpiece W conveyed to input
Portion 52, and the piezoelectricity valve actuator 5 is generated based on the data for being input to setting input unit 52 and exports the parameter, piezo electric valve
Driver 5 at the time of sensor amplifier 68 acquires, will voltage corresponding with above-mentioned parameter applied to two-way valve 3, therefore energy
It is enough that ratio control is carried out to the opening and closing amount of two-way valve 3 based on the data for being input to setting input unit 52, and piezoelectricity can be utilized
Valve actuator 5 has the compression of the flow for the kind for being suitble to workpiece W, pressure empty bad workpiece W ' injections at the time of appropriate
Gas.
In addition, in structure shown in Fig. 4, sensor amplifier and programmable control without decision-making function can also be used
Device processed replaces the sensor amplifier 68 with decision-making function.
In addition, in the above-described embodiment, as switching valve possessed by flow adjustment unit 3A, two-way valve 3 has been used,
But triple valve 7 as shown in Figure 5 can also be used.Or the valve of four interfaces or more can also be used.
Triple valve 7 includes leading to the 2nd gas pipe path 13b i.e. the 1st interface 7a of the outlet of adjuster 12, leads to the 3rd
2nd interface 7b of the gas supply and discharge access 21 of gas pipe path 13c, that is, parts feeder 2 and lead to the 3rd of atmosphere zone
Interface 7c.Triple valve 7 is configured to be used as non-interconnected position shown in shown in (b) of Fig. 5 (a) of communicating position R and Fig. 5
Atmosphere opening position N between switch over, when being powered to electrical input unit 32, triple valve 7 makes the 1st interface 7a and the 2nd connect
Mouth 7b is connected to via the switching part 73 of work department 70 in inside, thus switches to communicating position R, logical not to electrical input unit 32
When electric, triple valve 7 makes the 2nd interface 7b be connected in inside via the switching part 71 of work department 70 with interface 3 7c, and makes the 1st
Interface 7a and the 2nd interface 7b becomes non-interconnected state, thus switches to atmosphere opening position N.
The atmosphere opening position N shown in (a) of Fig. 5, self tuning regulator 12 are supplied to the compressed air of triple valve 7 the 1st
Interface 7a is nearby blocked, and the 2nd interface 7b opens at air.On the other hand, the communicating position R shown in (b) of Fig. 5,
The compressed air that self tuning regulator 12 supplies is exported from the 1st interface 7a inputs and via switching part 73 from the 2nd interface 7b, to supply
To gas supply and discharge access 21.As a result, compressed air is sprayed from gas supply and discharge access 21 towards processing position P.
Also, when stopping to the energization of electrical input unit 32, work department 70 is returned to towards original position displacement
Atmosphere opening position N shown in (a) of Fig. 5, the residual compression in the 3rd gas pipe path 13c at this time are logical from gas supply and discharge
Road 21 is released in air, and from the 2nd interface 7b of triple valve 7 via switching part 71 from interface 3 7c in air.Therefore,
After just making atmosphere opening position N shown in (a) of the communicating position R shown in (b) of the triple valve 7 from Fig. 5 back to Fig. 5,
The residue in the 3rd gas pipe path 13c between triple valve 7 and the gas supply and discharge access 21 of parts feeder 2 is pressed immediately
Power is properly released to air from gas supply and discharge access 21 and this both sides of triple valve 7, therefore can accelerate the pressure of compressed air
Decline.
In this way, switching valve is the triple valve 7 of three interfaces or more, connect including at least leading to the 1st of compressed air source 11
Mouth 7a, lead to the 2nd interface 7b of the gas supply and discharge access 21 for being formed in transport path 20 and lead to the interface 3 of atmosphere zone
7c, the triple valve 7 can make the 1st interface 7a and the 2nd interface 7b communicating position R being connected and make the 2nd interface 7b and interface 3
The atmosphere opening position as non-interconnected position that 7c is connected and the 1st interface 7a and the 2nd interface 7b is made to become non-interconnected state
It sets and switches between N, therefore, the residual compression in the 3rd gas pipe path 13c after injection is released from gas supply and discharge access 21
It is put in air, and air is released to from interface 3 7c via switching part 71 from the 2nd interface 7b of triple valve 7, therefore can be from
Gas supply and discharge access 21 and triple valve 7 this two side spray after exhaust, under the pressure that the injection of compressed air can be accelerated
It drops and further makes the response of the pressure of compressed air better.
In addition, in the above-described embodiment, having used above-mentioned opened at like that when not being powered to electrical input unit 32 greatly
The triple valve 7 of the closed type of gas, but the open type when not being powered to electrical input unit 32 as closed state can also be used
Triple valve 7.It is normally opened to be carried out applied voltage configuration part 53 shown in Fig. 4 etc. with normally closed switching.
In addition, in the above-described embodiment, the ginseng different for the kind of each workpiece W is exported from host controller 4
Number, but different parameters can also be exported for each kind and each batch from host controller 4.Even if workpiece W is same
Kind, there are also differences for its shape and surface roughness in each batch, therefore even if are same settings, the action of overturning
Action with removal also will produce difference, may lead to the reduction of the code ability of parts feeder 2, but use can export needle
To the structure of the kind and each batch and different parameters of each workpiece W, the flow of the compressed air of injection, pressure can be made more
Properly.
In addition, in the above-described embodiment, the proportioning valve 75 and warp as switching valve as shown in Figure 6 can also be used
The solenoid valve 76 for the high speed being connected with proportioning valve 75 by gas pipe path 13d replaces two-way valve 3 or triple valve 7.That is, stream
Amount adjustment unit 3B can also be made of proportioning valve 75 and solenoid valve 76.In this configuration, it is driven using from the piezo electric valve
5 structure of device is substantially similarly as the electromagnetic valve driver 5 ' of ratio control unit applied to the coil (not shown) of proportioning valve 75
Electric current, the opening and closing amount of comparative example valve 75 carries out ratio control, to compressed air export from proportioning valve 75 flow, press
Power carry out digital management, and at the time of the moment, acquisition unit acquired using electromagnetic valve driver 5 ' make solenoid valve 76 be opened and closed and
Spray compressed air.
In addition, the gas injection mechanism 1 of present embodiment is applied to parts feeder 2, but the present invention is not limited thereto,
It can be applied to appearance inspection machine, measure classifier and tapping machine etc..
The other structures of the present invention can also carry out various modifications without departing from the spirit and scope of the invention.
Industrial availability
The present invention can apply the flow of compressed air, pressure can be carried out numerically controlled gas injection mechanism and
In parts feeder.
Reference sign
1, gas injection mechanism；2, parts feeder；3, two-way valve (switching valve, piezo electric valve)；3A, 3B, flow adjustment are single
Member；4, host controller (parameter output unit)；5, piezoelectricity valve actuator (ratio control unit, parameter output unit)；5 ', electric
Magnet valve driver (ratio control unit)；6, image processing apparatus (moment acquisition unit, parameter output unit)；7, triple valve
(switching valve, piezo electric valve)；7a, the 1st interface；7b, the 2nd interface；7c, interface 3；11, compressed air source；20, transport path；
21, gas supply and discharge access；52, setting input unit (input unit)；68, sensor amplifier (moment acquisition unit)；P, processing position；
R, communicating position；L, occlusion locations (non-interconnected position)；N, atmosphere opening position (non-interconnected position)；W, workpiece (is sprayed
Object)；W ', bad workpiece.
Claims (6)
1. a kind of gas injection mechanism, which is used to spray compressed air successively by ejecta towards multiple,
It is characterized in that,
The gas injection mechanism includes：
Flow adjustment unit has the switching valve for being connected with compressed air source, capable of continuously changing opening and closing amount；
Parameter output unit is used to export the parameter of the suitable type by ejecta；And
Ratio control unit is based on applied voltage corresponding with the parameter or impressed current, opens the switching valve
The amount of closing carries out ratio control.
2. gas injection mechanism according to claim 1, which is characterized in that
The switching valve is piezo electric valve.
3. gas injection mechanism according to claim 1 or 2, which is characterized in that
The gas injection mechanism is applied to spray the bad workpiece in the workpiece that transport path conveys in defined processing position
The parts feeder of compressed air is penetrated,
Acquisition unit at the time of at the time of the gas injection mechanism has for finding out the bad workpiece arrival processing position, and
And the parameter output unit is configured to the parameter that output is suitble to the type of conveyed workpiece,
The ratio control unit was configured at the moment acquisition unit obtained moment, will be corresponding with the parameter
Voltage is applied to the switching valve.
4. gas injection mechanism according to claim 1 or 2, which is characterized in that
The gas injection mechanism is applied to spray the bad workpiece in the workpiece that transport path conveys in defined processing position
The parts feeder of compressed air is penetrated,
Acquisition unit at the time of at the time of the gas injection mechanism has for finding out the bad workpiece arrival processing position, and
And the parameter output unit is configured to the input unit that can be inputted with the relevant data of type of the workpiece conveyed, it should
Parameter output unit generates based on the data for being input to the input unit and exports the parameter,
The ratio control unit was configured at the moment acquisition unit obtained moment, will be corresponding with the parameter
Voltage is applied to the switching valve.
5. gas injection mechanism according to claim 3 or 4, which is characterized in that
The switching valve is the switching valve of two interfaces or more, includes at least the 1st interface for leading to compressed air source and leads to
To the 2nd interface of the gas supply and discharge access for being formed in the transport path, which can make the 1st interface and described the
2 interfaces become the communicating position of connected state and the 1st interface are made to become the non-interconnected of non-interconnected state with the 2nd interface
It is switched between position.
6. a kind of parts feeder, which is characterized in that
The parts feeder is configured to, using the gas injection mechanism described in any one of Claims 1 to 55, to along transport road
The bad workpiece of diameter conveying sprays compressed air, removes the bad workpiece from the transport path, or make the bad workpiece in institute
Transport path is stated to turn over then change posture.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015213373A JP6782537B2 (en) | 2015-10-29 | 2015-10-29 | Air injection mechanism and parts feeder |
| JP2015-213373 | 2015-10-29 | ||
| PCT/JP2016/082085 WO2017073735A1 (en) | 2015-10-29 | 2016-10-28 | Air injection mechanism and parts feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108349662A true CN108349662A (en) | 2018-07-31 |
| CN108349662B CN108349662B (en) | 2021-03-26 |
Family
ID=58630590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680063695.5A Active CN108349662B (en) | 2015-10-29 | 2016-10-28 | Gas injection mechanism and part feeder |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6782537B2 (en) |
| KR (1) | KR102605235B1 (en) |
| CN (1) | CN108349662B (en) |
| TW (1) | TWI689457B (en) |
| WO (1) | WO2017073735A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6898559B2 (en) * | 2017-09-07 | 2021-07-07 | シンフォニアテクノロジー株式会社 | Air nozzle and parts feeder equipped with it |
| TWI658967B (en) * | 2017-12-15 | 2019-05-11 | 均華精密工業股份有限公司 | Automatic high speed filling machine |
| JP7406755B2 (en) | 2021-03-24 | 2023-12-28 | 株式会社ダイシン | Airflow control system for conveyed objects and conveyance device using the same |
| JP7474429B2 (en) | 2021-08-11 | 2024-04-25 | 株式会社ダイシン | Airflow control system for transported objects and transport device using the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201722816A (en) | 2017-07-01 |
| CN108349662B (en) | 2021-03-26 |
| KR102605235B1 (en) | 2023-11-24 |
| JP6782537B2 (en) | 2020-11-11 |
| TWI689457B (en) | 2020-04-01 |
| JP2017080700A (en) | 2017-05-18 |
| WO2017073735A1 (en) | 2017-05-04 |
| KR20180075514A (en) | 2018-07-04 |
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