CN107649609A - Material feeding apparatus - Google Patents
Material feeding apparatus Download PDFInfo
- Publication number
- CN107649609A CN107649609A CN201710614455.6A CN201710614455A CN107649609A CN 107649609 A CN107649609 A CN 107649609A CN 201710614455 A CN201710614455 A CN 201710614455A CN 107649609 A CN107649609 A CN 107649609A
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- CN
- China
- Prior art keywords
- supporting
- support
- height
- drive division
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/30—Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/14—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising positively-acting mechanical devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/515—Absence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/40—Movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
- B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
A kind of material feeding apparatus is provided, the height of the upper surface of blank material can be just kept without obstruction taking-up operation and stamping press.Material feeding apparatus includes：The lifting unit of lifting freely；Make the lifting drive division that the lifting unit rises or falls；Support, when the height and position of the lowest surface of material is in predetermined height and position, is supported, when in the position lower than it, do not supported, and lifted freely；Make the supporting drive division that the support is risen or fallen；Detect the position detection part of the height and position of the upper space of material；The supporting test section for detecting the supporting of support or not supporting；Selecting unit, selection supporting drive division during supporting is detected, selection lifting drive division when detecting not support；And control unit, based on present level positional information, selected drive division is controlled in a manner of the height and position for keeping the height and position of upper space of above-mentioned material to pre-register.
Description
Technical field
The present invention relates to a kind of material feeding apparatus for decompressor.In more detail, it is related to one kind between mould
The supply sheet material such as the robot of workpiece conveying or blank material material feeding apparatus.
Background technology
A kind of unpiler (Destacking feeder) stacking moving-in mechanism is shown in Fig. 8 of patent document 1.
The sheet material that the moving-in mechanism makes to be stacked on pallet using lowering or hoisting gear rises together with pallet, and supports the support using tine
The lower surface of disk.Then, sheet material is taken out from vacuum suction above using feeder, if there is no sheet material on the pallet, held in the palm
Disk is decorporated to side.Hereafter, tine moves horizontally, and vacates for the new pallet of sheet material for making to be stacked with supplement from lower
Rise path used.If the new pallet rises, above-mentioned tine is moved horizontally to original position, supports new pallet.
In addition, in patent document 1, in addition to moving horizontally above-mentioned tine, also record in supporting tray
Position is exerted a force in a manner of rotating tine, and the tine (paragraph [0072]) to be stopped operating in the position of supporting.The pawl
If part is promoted by the pallet of lower section, the engaging between pallet is left, then is returned using the applying power, to the pallet that passes through
Lower surface is supported.
A kind of conveying device of the part of sheet is shown in patent document 2.With big in the pallet of the conveying device
Cause at equal intervals formed with multiple through holes.It is provided with the part of comb teeth-shaped with easy accessly in the through hole.On above-mentioned pallet
Heap rises due to the part of comb teeth-shaped, it is thus possible to retains pallet and rises.Hereafter, the fork being made up of multiple claw-like parts enters
Enter between the part of the comb teeth-shaped of rising, by the decline of the part of comb teeth-shaped, so as to which heap be joined to fork.In this phase
Between, empty pallet declines, and can load sheet material on new pallet.
The stack of sheets of setting is loaded on pallet, and supplied in the form of fastening.On the other hand, for sheet material is rushed
It is cut into for the blank material of shape predetermined in advance, the state that the feed bin that several guide rods are provided with bottom plate is loaded in heap is entered
Row supply.Opening is formed in the center of the bottom plate of this plant feed bin, retains feed bin using the bar-like member for penetrating the opening and supports
The heap of blank material, even in the lifting position of upper end, positioned also by more guide rods.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2008-200744 publications
Patent document 2：Japanese Unexamined Patent Publication 2012-170980 publications
The content of the invention
Invent problem to be solved
Generally, when will be placed with the pallet-changing of sheet material is new pallet, the taking-up of sheet material can postpone.Such as need
Side will be shifted to positioned at the pallet of extracting position, the new tray arrangement compared with multiple sheet will be stacked with identical position, should
In taking-up operation, the trend that even stamping press disposably stops during configuration.The material of blank material is being loaded with using heap
In the material feeding apparatus in storehouse there is also it is identical the problem of.
If in addition, from sheet material is taken out one by one above, the gradual step-down of height that stacks.In order to follow this, machinery
Hand needs the buffer units such as spring, therefore in the expensive trend of equipment.Moreover, manipulator needs the lifting row of above-mentioned buffering capacity
Journey, therefore taking-up action correspondingly spends the time.
Therefore, problem of the invention is, there is provided a kind of material feeding apparatus, it takes out operation and punching press work without hindering
Industry can just keep the height of the upper surface of blank material.
Technical teaching for solving the problem was
(1) material feeding apparatus of the invention be in order to convey material to predetermined device, to by the material of stacking from upper
The material feeding apparatus of the feeder supplying material taken out successively, wherein, the material feeding apparatus includes：Lifting unit, it is used for
The material is loaded, and is directed in a manner of lifting freely；Drive division is lifted, rises or falls the lifting unit；Supporting
Portion, the material supplemented from below by the lifting unit is received, is declined in lifting unit in order to supplement ensuing material
During, the support supports received material, and is directed in a manner of lifting freely；Drive division is supported, makes institute
Support is stated to rise or fall；Position detection part, detects present level positional information, and the present level positional information includes institute
State the current height and position in the upper space of material；And control unit, based on the present level positional information, so that described
The mode for the height and position that the height and position of the upper space of material keeps pre-registering controls the supporting drive division.
(2) in such material feeding apparatus, it is preferred that the supporting drive division is controlled as, when the lifting
When portion loads the material of supplement and risen, use the supplement that the material supported is loaded on the lifting unit by the support
Material on and decline, rear support receive the lifting unit supplement material lower surface, the lifting drive division
It is controlled as, during the support declines, based on the present level positional information so that the upper space of the material
Height and position keep the height and position that pre-registers.
(3) preferably, the material feeding apparatus also includes：Test section is supported, detects the supporting and not of the material
Supporting；And control unit, when the supporting test section detects supporting, based on the present level positional information, with by institute
State the mode of height and position that the height and position of the upper space of the material of support supporting keeps pre-registering and control the branch
Drive division is held, it is described to be positioned in based on the present level positional information when the supporting test section detects not support
The mode for the height and position that the height and position of the upper space of the material of lifting unit keeps pre-registering controls the lifting driving
Portion.
(4) it is most lower when the material supplemented from below by the lifting unit it is further preferred that the support is configured to
When the height and position on surface is in predetermined height and position, the lowest surface is supported, and is worked as by the lifting unit under
When the height and position of the lowest surface of the material just supplemented is in the height and position lower than the predetermined height and position, do not support
The lowest surface.
" present level positional information " refer to set such as on the basis of ground some benchmark, for example from ground to
The distance of upper surface, the concept for including the amount suitable with its, the number comprising blank, can be according to support and/or liter
The information of the conversions such as the ascending amount in drop portion.In the present embodiment, position detection part is configured at previously known height and position, leads to
Cross and detect that blank material reaches the known height and position, so as to detect the present level positional information of blank material.
" selecting unit " refers to be corresponding with S4, S6, S7 in embodiments.
" control unit " refers to be corresponding with S5, S9 in embodiments.
(5) preferably, the support includes claw, the claw in a manner of interfering the material that should be supplemented, by
The direction force protruded towards the ascending path for the material that should be supplemented, the claw are answered by the lifting unit with respect to rising
The drive material of supplement, be pushed out from the ascending path, the material that this should be supplemented by and then secondary dashed forward to the path
Go out, the lowest surface of the material is supported.
(6) it is further preferred that the lifting unit supports to the central portion of material, periphery of the support to material
Portion is supported.
(7) it is further preferred that the support includes claw, the claw is in a manner of interfering the material that should be supplemented, quilt
The direction force that the ascending path of the material of Xiang Chaoying supplements protrudes, the supporting test section detect the claw to the rising
The state of path protrusion and the state being pushed out from the ascending path, the claw is detected as supporting when being in prominent, described
Claw is in when being pushed out and is detected as not supporting.
(8) it is further preferred that the material feeding apparatus also includes surplus test section, the surplus test section is to the branch
The surplus for the material that bearing portion is supported is detected, when the surplus of material is less than scheduled volume, by the lifting unit to described
Support supplementary material.
(9) it is further preferred that the material feeding apparatus also includes：Support test section, detect the material supporting or
Do not support；Selecting unit, supporting is detected to select the supporting drive division based on the supporting test section, and be based on the branch
Test section is held to detect not support to select the lifting drive division, when the selecting unit selection supporting drive division,
Decline the lifting unit, in case ensuing material supplements, when the selecting unit selects lifting drive division, in order to from institute
Lifting unit is stated to receive material and decline the support.
(10) it is further preferred that the lifting drive division and the supporting drive division have respectively：Motor；External screw thread,
By the motor rotation driving；Internal thread, it is screwed with the external screw thread；And encoder, described externally threaded turn of detection
Speed, the lifting unit is installed in the internal thread of the lifting drive division, in the internal thread of the supporting drive division
The support is installed.
Invention effect
(1) for the material feeding apparatus of the present invention, when declining lifting unit to change heap also by supporting
Portion supports the heap of scheduled volume, and drives supporting drive division as the material of upper space is removed, can be by the upper of heap
The height on surface is maintained at predetermined height, therefore can not interrupt and supplement heap with taking out operation.Therefore, the damage of the interruption is reduced
Lose.The height of upper surface can be maintained at predetermined height by being additionally, since, therefore manipulator etc. no longer needs buffer unit,
Manipulator can be simplified, and the actuation time of taking-up can be shortened.
(2) in such material feeding apparatus, it is controlled as in the supporting drive division, is mended when the lifting unit loads
The material that fills and when rising, make the supplement that the material supported is loaded on the lifting unit by the support material it
Go up and decline, rear support receive the lifting unit supplement material lower surface, the lifting drive division is controlled as,
During the support declines, based on the present level positional information so that the height position of the upper space of the material
Put the height and position for keeping pre-registering.In the case of, lifting unit and support interaction supporting material can be utilized, and continue
Smoothly feed material.
(3) in such material feeding apparatus, above-mentioned support possesses claw, and the claw is to interfere the material that should be supplemented
Mode, exerted a force on the direction prominent to its ascending path, the claw should be supplemented by elevating mechanism with respect to rising
Drive material, be pushed out from above-mentioned ascending path, the material that this should be supplemented by and then it is secondary prominent to above-mentioned path,
The lowest surface of above-mentioned material is supported, in this case, can continuously supplement the heap of supplement one by one under.
Brief description of the drawings
Fig. 1 is the functional block diagram for the embodiment for representing the material feeding apparatus of the present invention.In addition, this figure in order to
The relation of the drive mechanism of left and right is should be readily appreciated that, the direction of the drive mechanism of left and right is changed, equivalent to summary rearview.
Fig. 2 is the side view for representing to have used an embodiment of the system of material feeding apparatus.
Fig. 3 is the skeleton diagram for representing the embodiment that hardware is formed.
Fig. 4 (a) is the top view of material feeding apparatus, and Fig. 4 (b) is Fig. 4 (a) general principal view.In the Fig. 4
(b) in, in order to see the part for being hidden in rear, and eliminate the lifting unit and support that should be apparent in above
Etc. the record of a part of part.
Fig. 5 (a) is the schematical front view of elevating mechanism and supporting device.In addition, this figure is in order to being easy to true
Recognize concrete structure, increase the distance between the drive mechanism of left and right.Fig. 5 (b) is Fig. 5 (a) partial enlarged drawing.
Fig. 6 (a) is the outline direction view of Fig. 6 (c) a-a lines, and Fig. 6 (b) is the general of Fig. 6 (c) b-b lines
Slightly direction view, Fig. 6 (c) is the general principal view of the major part of material feeding apparatus.In addition, Fig. 6 (c) is in order to easy
In understand left and right drive mechanism relation, change left and right drive mechanism direction.
Fig. 7 is the skeleton diagram for representing to be used in the flow chart of an embodiment of the processing of the program of the device of the present invention.
Fig. 8 a are the skeleton diagrams for the action for representing material feeding apparatus.In addition, this figure in order to should be readily appreciated that left and right
The relation of drive mechanism, change the direction of the drive mechanism of left and right.
Fig. 8 b are the skeleton diagrams for the ensuing action for representing Fig. 8 a.In addition, this figure in order to should be readily appreciated that left and right
The relation of drive mechanism, change the direction of the drive mechanism of left and right.
Fig. 9 is the skeleton diagram for the other embodiment for representing claw.
Description of reference numerals
1 material feeding apparatus；2 lifting units；Part bar-shaped 2a；2b material acceptance divisions；3 lifting drive divisions；4 supports；
4a guiding pieces；4b lifts bootstrap block；5 supporting drive divisions；6 position detection parts；6a present level positional informations；The height of 6b registrations
Positional information；7 supporting test sections；7a axles；7b claws；7c contact portions；7d top end faces；7e faces；8 selecting units；9 control units；
10 bearings；10a limiters；11 external screw threads；12 connectors；13 encoders；13a rotary speed informations；14 internal threads；14a abutting parts；15
Bracket；15a central portions；15b dip portions；15c bootstrap blocks；16 limit switches；17 workbench；17a is open；17b workbench guides
Part；17c breach；18 guide rails；19 feed bins；19a bottom plates；19b feed bin guiding pieces；20 control units；21 supporting test sections；22 claws；
23 force application parts；24 inclined planes；30 tandem punch lines；31 decompressors；32 materials；33 feeders；34 frameworks；35 guide rails；
35a central guide rails；35b left rails, right guide rail；40 CPU；41 nonvolatile memories；42 volatile memory；43 equipment；44
Driver；45 communication lines；46 buses；47 tables of data；48 programs；49OS；A elevating mechanisms；B supporting devices.
Embodiment
The embodiment ＞ of ＜ the 1st
1. outline
First, using Fig. 2, to possessing the tandem punch line of the material feeding apparatus as one embodiment of the present invention
Outline illustrate.The tandem punch line 30 is arranged with 3 decompressors 31,31,31.In the tandem punch line 30
The left of figure is configured with the material feeding apparatus 1 of the present invention.It is logical from the material 32 (reference picture 1) of the material feeding apparatus 1 supply
Cross the decompressor 31 on the right side that feeder 33 (Fig. 2 double dot dash line) is delivered in figure.Then, it is delivered to the right side adjacent successively
The decompressor of side.
Above-mentioned feeder 33 is to take out the material of stacking and in multiple position press (Transfer successively from upper
Press the known conveying device of conveying workpieces) or between the mould of tandem forcing press (Tandem press) etc..
On the action of the feeder 33, such as repeat to move half pitch to the upstream side from centre position and decline (drop
Fall), with vacuum cup sticking (holding) material and above carry (lifting), advance (preceding to push away) to next mould and decline (landing),
Release (release) sticking, configured, risen and made feed bar to retreat again to next stamping position above-mentioned material (to return
Return) arrive this series of action of original centre position.
2. the outline of material feeding apparatus
As shown in figure 1, above-mentioned material feedway 1 is located at framework 34.The drive mechanism of left and right is provided with the framework 34, this
It is elevating mechanism A on the left of figure, right side is supporting device B.
Above-mentioned elevating mechanism A for example possesses：Lifting unit 2, load above-mentioned material 32 and be directed in a manner of lifting freely；
And lifting drive division 3, the lifting unit is carried out rise/fall.
On the other hand, above-mentioned supporting device B for example possesses：Support 4, if being supplemented from below by above-mentioned lifting unit 2
The height and position of the lowest surface of the material to come over is in predetermined height and position, then supports above-mentioned lowest surface, if in than
Its low height and position, then do not support, and is directed in a manner of lifting freely；And supporting drive division 5, make the support 4
Carry out rise/fall.
In the present embodiment, general motor has been used as drive division, but servo motor can also be used.
And then above-mentioned material feedway 1 possesses：Position detection part 6, it detects the upper space for including above-mentioned material 32
Current height and position present level positional information 6a；Test section 7 is supported, it detects the above-mentioned most lower of above-mentioned support 4
The supporting on surface/do not support；Selecting unit 8, the detection of its supporting based on the supporting test section 7 select above-mentioned supporting drive division
5, and based on the detection selection lifting drive division 3 not supported；And control unit 9, it is based on above-mentioned present level positional information
6a, controlled in a manner of the height and position of upper space of above-mentioned material is maintained the height and position 6b that pre-registers by the selection
The drive division that unit 8 selects.
Here, selecting unit 8 forms control unit 20 (reference picture 1) with control unit 9.
3. hardware is formed
Figure 3 illustrates the embodiment that the hardware of the control unit 20 (reference picture 1) of material feeding apparatus 1 is formed.
In the control unit 20, such as computer is used.
The computer possesses CPU 40.The CPU 40 is connected with nonvolatile memory 41 via bus 46, volatibility is deposited
Reservoir 42, the storage device (such as DVD) to having used light or the drive for having used the equipment 43 such as the storage device of magnetic to be read out
Dynamic device 44 and the communication line 45 for being communicated via network with outside.And then in above-mentioned nonvolatile memory 41
Middle record has, and the tables of data 47 or the material for handling the present invention for being registered with height position information 6b (reference picture 1) etc. supply
Program 48, OS 49 (operating system) to the control of device.
The program 48 using above-mentioned OS 49 function or individually act.For example, said procedure 48 and OS 49 are deposited
DVD 43 is stored in, nonvolatile memory 41 is installed on via driver 44 or communication line 45.
In the above-described embodiment, the function shown in Fig. 1 is realized using CPU 40 and program 48, but can also utilized micro-
The logic circuit of machine etc., such as sequencer (sequencer) come realize one part or whole function.
4. the details of material feeding apparatus
Start from there, using Fig. 4 and Fig. 5, each composition of the material feeding apparatus 1 of the present invention is carried out specifically
It is bright.As illustrated, elevating mechanism A and supporting device B are located at framework 34 side by side.To be configured to and driving machine in the framework 34
Structure A, B mutually different mode is configured with 3 guide rails 35 (35a, 35b, 35b).Wherein, it is configured between drive mechanism A, B
Central guide rail 35a, be configured at drive mechanism A, B respective outside be left and right guide rail 35b, 35b.
Above-mentioned elevating mechanism A lifting drive division 3 is located at the lower end of framework 34.Bearing 10,10 drives in the lifting
Configured on the extended line of the top in portion 3 by a manner of above-below direction is arranged side by side respectively.These bearings 10,10 are via as solid
Limiter 10a, the 10a ((a) of reference picture 5) for determining part are installed on framework 34.10,10 pairs of elongated external screw threads 11 of these bearings
Both ends nearby carry out pivot suspension.The lower end of the external screw thread 11 is using connector (Coupling) 12 with lifting drive division 3
Output shaft is (not shown) to be linked.On the other hand, the end (upper end) of opposite side is via connector 12 and the input side of encoder 13
Axle link.
Internal thread 14 is screwed with above-mentioned external screw thread 11.The bracket 15 of cantilever support is provided with the internal thread 14.In the support
Frame 15 is fixed with lifting unit 2.
The bracket 15 includes：Central portion 15a, extend inwardly (Xiang the center of Fig. 4 left and right directions) from internal thread 14, reach
The position overlapping with central guide rail 35a on Fig. 4 left and right directions；And dip portion 15b, extend downwards from the central portion.
Bootstrap block 15c, 15c are provided with a manner of upper and lower 2 sections in central portion 15a and dip portion 15b, and by above-mentioned central guide rail 35a
To guide ((a) of reference picture 4).Bootstrap block 15c stops the rotation of internal thread 14.Therefore, it is interior if external screw thread 11 rotates
Screw thread 14 moves up and down.Above-mentioned bootstrap block 15c and central guide rail 35a are preferably block and guide rail the institute structure by direct acting bearing
Into.
On the other hand, it is provided with abutting part 14a ((a) of reference picture 5) in the framework side of internal thread 14.Abutting part 14a exists
It rises the limit/falling-threshold and collided with above-mentioned limiter 10a, 10a, so as to limit its movement.
Although above-mentioned internal thread 14 and external screw thread 11 are trapezoidal thread, other screw threads, preferably position can also be used
Put the high screw thread of precision.Such as ball screws can be used.
Above-mentioned lifting unit 2 includes：Bar-shaped part 2a, lower end are fixed on the central portion 15a of above-mentioned bracket and extended up and down；
And material acceptance division 2b, the part 2a bar-shaped located at this upper end (reference picture 5).
Above-mentioned encoder 13 detects the rotating speed of external screw thread 11 or can be converted into its rotary speed information 13a (reference picture 1).
The pitch of rotary speed information 13a and the internal thread 14 pre-registered based on the encoder 13, above-mentioned control unit 9 (reference picture 1)
It will appreciate that the amount of movement of lifting unit 2 or support 4.It is such as upward by detecting lifting unit 2 and support 4 (reference picture 5)
Rise end or decline arrival of the arrival etc. at end to position set in advance, and based on the detection and by the count resets of encoder 13
Deng and be set to basic point, so as to grasp the position on the basis of the basic point based on the rotary speed information 13a added up by encoder 13
Put.
This accumulative rotary speed information 13a can also be stored in memory 41,42 (reference picture 3).And then above-mentioned spiral shell
Pre-registered away from, rotary speed information 13a (material is by count number one by one) etc. in tables of data 47.
Above-mentioned supporting device B marks because the part common with above-mentioned elevating mechanism A is more, therefore for common part
Identical reference, and the description thereof will be omitted.
In the plate-shaped member of L-shaped when above-mentioned support 4 is side view, upper plate by side panel and cantilever support, provided with than
The big opening of the shape of material 32 (blank), in the inner circumferential of opening substantially to configure 3 bar-shaped guiding piece 4a (references at equal intervals
Fig. 4 (a)).The guiding piece guides to the side of the material 32 of stacking, and its both ends is slightly sharp.It is provided with guiding piece 4a
Support test section 7 ((b) of reference picture 5).
As shown in Fig. 4 (a), lifting bootstrap block 4b, 4b are provided with the left and right end of the support 4, passes through framework respectively
Left rail 35b, right guide rail 35b lift to guide.Lifting bootstrap block 4b, 4b of left and right are set as 2 sections up and down respectively.The lifting guides
The block 4b and guide rail 35b of left and right is preferably the block and guide rail of direct acting bearing.
As shown in Fig. 5 (b), the axle 7a that above-mentioned supporting test section 7 is set around in guiding piece 4a is rotated freely, including：To 3
The claw 7b that root guiding piece 4a inner side protrudes；And contact portion 7c prominent laterally.Moreover, above-mentioned claw 7b is exerted a force and is
Protrude inwardly.If claw 7b is protruded, the lower surface of top end face and material 32 shown in reference 7d is almost parallel, and
Utilize the surface bearing material 32.On the other hand, if claw 7b is pulled in guiding piece 4a, the face shown in reference 7e is with drawing
Guiding element 4a is almost parallel.
Limit switch 16 is provided near contact portion 7c in above-mentioned guiding piece 4a.For the limit switch 16,
If contact portion 7c leaves, i.e. claw 7b overcomes force to be rotated, state change can be caused.
Due to the substantial middle of the above-mentioned supporting material 32 of lifting unit 2, therefore will not be with guiding piece 4a, claw 7b and work
Platform 17 is interfered.
As shown in Fig. 6 (c), above-mentioned position detection part 6 is fixed on the (reference picture of workbench 17 located at the upper end of framework 34
4 (a)) on.As shown in Fig. 6 (a), the opening 17a with the form fit of blank material is offered in the workbench 17, at it
Inner peripheral surface is provided with 4 workbench guiding piece 17b that the position of the material 32 to come to rising is determined.The workbench guiding piece
17b is configured in a manner of avoiding above-mentioned guiding piece 4a.In above-mentioned opening 17a inner edge formed with the guiding for support 4
The breach 17c that part 4a passes through, avoid the interference with above-mentioned guiding piece 4a.
In addition, above-mentioned position detection part 6 is the known sensor such as optical profile type, electromagnetic type.
In a manner of the ascending path of the material acceptance division 2b with above-mentioned lifting unit 2 intersects, (reference picture 4 in the horizontal direction
Arrow C) be provided with guide rail 18, along the guide rail convey feed bin 19.The guide rail 18 and wheel by direct acting bearing guide rail and bearing
Block is formed but it is also possible to be guide rail and wheel.
Heap is loaded with the material 32 of supplement in the feed bin 19.The feed bin 19 includes：Bottom plate 19a, quilt is provided with its bottom surface
The block that above-mentioned guide rail 18 guides.It is formed about what above-mentioned material acceptance division 2b can be passed through up and down in bottom plate 19a center
Opening.3 bar-shaped feed bin guiding pieces are substantially configured at equal intervals in a manner of the periphery of guiding material 32 in the outside of the opening
19b。
Above-mentioned material acceptance division 2b passes through the opening of the bottom plate of feed bin from bottom to top, obtains material 32 upward.
5. flow chart
Next, using Fig. 7 flow chart, to the flow of the processing of program 48 that is used in material feeding apparatus 1
One example illustrates.
(S0)：" the present level positional information " of upper surface location as material 32 is confirmed.In this embodiment party
In formula, " present level positional information " is examined by the presence or absence of material 32 for being detected by position detection part 6 and by position detection part 6
Conveying number after survey confirms.In the initial stage of production, due to all do not carried out by position detection part 6 once detection,
Information deficiency, therefore " present level positional information " is unclear sometimes.
(S1)：In the case that the upper surface location of the material 32 confirmed in S0 is relatively low or unclear, due to needing to mend
Material is filled, into S3.In the case where the upper surface location of material 32 is in predetermined height without supplement, into S2.
(S2)：Feeder 33 takes out a material 32 and conveyed.CPU 40 receives the information conveyed, by material
32 upper surface location " present level positional information " is changed in a manner of by reduction one by one.
(S3)：As the last stage of supplementary material 32, judge lifting unit 2 position be in rising end again below it
Under.In the case of under less than rising end, into S4.In the case of rising end, even if being promoted to rising end, due to still
The deficiency of material 32, is judged as no material, so as to terminate program 48, stops material feeding apparatus 1.
(S4)：In judging that lifting unit 2 is in stopping or acted.In the case of in stopping, into S5.In action
In the case of, into S6.The drive motor for lifting drive division 3 is not to be acted in a manner of being monitored all the time by CPU 40,
But the command signals such as direction of action, actuating quantity are received from CPU40 by the driver of drive motor, pass through the control of the driver
To carry out predetermined action.Therefore, confirm whether driver finishes to control herein.
(S5)：Lifting unit 2 is set to increase.Ascending amount delivered the information meters such as several materials 32 by CPU40 according to feeder 33
Calculate and determine, still, after just production is started, can not be calculated due to information deficiency, therefore lifting unit 2 is risen to by position
Put untill test section 6 detects material 32.During this period, feeder 33 can not be conveyed, and be waited for, but such
Treat that state only occurs once after production is just started, therefore be not a problem as production.In addition, in common production, such as
Illustrate that program 48 is not to wait for the upper of lifting unit 2 after CPU 40 is sent the climb command signal of lifting unit 2 like that in S4
Rise and terminate, and enter ensuing S6.Therefore, the processing of the S5 terminates within the extremely short time, and feeder 33 is not in
Treat state but being capable of continuous conveying.
(S6)：The claw 7b of support 4 state (go out or enter) is detected using limit switch 16.If claw 7b be in from
The state that the guiding piece 4a of support 4 comes out, then into S7, if in the state for entering guiding piece 4a, into S10.In addition,
Testing result before the memory area of the testing result during memory 41 sets the storage S6 and storage are tight is (before program
The testing result of S6 in secondary circulation) memory area.If the newest S6 of input testing result, CPU40 will be stored
The data stored in the memory area of testing result move to the memory area of the tight preceding testing result of storage, by what is just inputted
The memory area of newest S6 testing result write-in storage testing result.Like this all the time to testing result and tight preceding inspection
Result is surveyed to be stored.
(S7) when the state that claw 7b comes out from guiding piece 4a is detected as in S6, to then in the state of supporting material 32
Under come out claw 7b, be also due to material 32 height is too low or completely no material and the situation that comes out claw 7b, have
Shi Buneng judges.Therefore, in S6, reference is stored in the tight preceding testing result of memory 41, in the testing result before tight,
If claw 7b enters guiding piece 4a, into S8, if being come out from guiding piece 4a, into S9.
(S8)：The flow of program 48 is come S8 and referred to, before untill by the material 32 that lifting unit 2 supports current with supporting
The claw 7b in portion 4 is supported.Therefore, lifting unit 2 can proceed by decline to lift the material on ensuing feed bin.
The decline of the lifting unit 2 is carried out to decline end.As explanation in S4, program 48 is in the decline for making CPU 40 send lifting unit 2
After command signal, the decline for being not to wait for lifting unit 2 terminates but enters ensuing S9.Therefore, the processing of the S8 is extremely short
Time in terminate.
(S9)：Support 4 is set to increase.Ascending amount delivered the information meters such as several materials 32 by CPU 40 according to feeder 33
Calculate and determine, still, after just production is started, situation of information deficiency etc. is not increased.In addition, it is located in support 4
In the case of rising end, also do not rise.After S9 is entered, the flow of program 48 again returns to S0.Lifting with S4 drives
The situation of the drive motor in portion 3 similarly, is not to wait for the release of the drive motor of support 4, and the flow of program 48 enters
It is next.
(S10)：Decline support 4.Slippage is suitably set according to thickness of slab of material 32 etc., is entered when from claw 7b
Guiding piece 4a state be changed into support 4 only decline the slippage and make claw 7b from guiding piece 4a come out state when, it is
The value more slightly larger than thickness of slab as can hardly produce gap between claw 7b upper surface 7d and the lower surface of material 32.
Into after S10, the flow of program 48 again returns to S0.On the decline of the support 4, also in the same manner as S9 rising,
It is not to wait for release, the flow of program 48 enters next.
6. supply method
Next, reference picture 8a, Fig. 8 b, to the outline process using the supplying material of material feeding apparatus 1 of the invention
One embodiment illustrates.
(R1)：In the not supplying material of support 4.The material that should be supplemented is laminated with feed bin 19.The material of lifting unit connects
Receipts portion 2b rises from the opening of the bottom plate of the lower insertion feed bin 19.Thus, lifting unit 2 is maintained at the bottom of the material 32 of stacking
Center.
(R2)：If lifting unit 2 rises, claw 7b is pushed at the edge of material 32 open.Therefore, ratio is come in the material 32 of whole
Claw by the top when, claw 7b is protruded inwardly, the lower surface at the edge of supporting material 32, by support 4 keep supplement whole
Material 32.
(R3)：Lifting unit 2 declines, and is waited in the lower section of feed bin 19.Control unit 9 is with by the height dimension of the upper surface of material
The mode held in predetermined height makes support 4 slowly rise.
(R4)：The material acceptance division 2b of lifting unit penetrates the opening of the bottom plate of feed bin 19 and risen, the material 32 of lifting unit
It is integrally formed with the material 32 of support 4.Also, lifting unit 2 receives material 32 from support 4.
(R5)：Support 4 declines, and lifting unit 2 is relative to be risen, positions of the claw 7b positioned at the bottom surface than material on the lower,
And protrude inwardly.
＜ other embodiments ＞
Fig. 9 shows the other embodiment of supporting test section.The supporting test section 21 possesses the claw 22 of tabular.It with
Interfere the mode for the material 32 that should be supplemented, exerted a force by force application part 23 on the direction prominent to its ascending path.The claw 22
The lower surface 24 on top be set as inclined plane towards the inner side of radial direction and upward.The material that should be supplemented risen
32 rise along the inclined-plane, and claw 22 is gradually pushed out from above-mentioned ascending path.Hereafter, the material 32 that should be supplemented at this is by it
Afterwards, path protrusion is stated again up, and the upper surface support of claw 22 arrives the lowest surface of above-mentioned material 32, and keeps material.
The another embodiment ＞ of ＜
As the position detection part 6 of above-mentioned upper space, the height of the upper space of material can also be detected.Due to height
Degree is detected, it is thus possible to detects to have taken out these undesirable conditions of multiple materials.And then if based on encoder 13 with
The position of support 4 is compared, then will appreciate that the volume residual etc. of material, therefore, when being recovered from undesirable condition,
The upper space of material can be made to rise to the height and position pre-registered immediately.
7. other
The number of units of above-mentioned tandem punch line is more than 2.And then it can be applied to have in 1 press
The device of standby multiple operation die.
As the force application part of above-mentioned supporting test section 7,21, spring, air damper can be used.And then can also
The inclined plane as the claw 22 of above-mentioned supporting test section 21 is not formed, but uses thin plate-shaped member to form claw 22,
And the thin sheet material is extracted, existing material is fallen on the upper space of the material of supplement, and make them continuous.
In the 1st embodiment, based on encoder 13, make drive division and only carried out with pre-registering by amount one by one
Driving, after advance only with this amount driving, stopped drive division, but detected with position detection part 6 ensuing
Material comes upper space, based on the detection, can also be stopped drive division.
Above-mentioned limit switch can be always ON, can also be always OFF.It is a certain in ON~OFF alternatively, it is also possible to make
Individual supporting with lowest surface or not corresponding.
In addition, above-mentioned supporting test section 7 can also be believed with the rotating speed of other information, the encoder for for example lifting drive division 3
Breath combination support/does not support to detect.
Claims (10)
1. a kind of material feeding apparatus, in order to convey material to predetermined device, taken out successively from upper to by the material of stacking
Feeder supplying material, wherein, the material feeding apparatus includes：
Lifting unit, for loading the material, and it is directed in a manner of lifting freely；
Drive division is lifted, rises or falls the lifting unit；
Support, the material supplemented from below by the lifting unit is received, in lifting unit in order to supplement ensuing material
Expect during decline, the support supports received material, and is directed in a manner of lifting freely；
Drive division is supported, rises or falls the support；
Position detection part, detects present level positional information, and the present level positional information includes the most upper table of the material
The current height and position in face；And
Control unit, based on the present level positional information, so that the height and position of the upper space of the material keeps pre-
The mode for the height and position first registered controls the supporting drive division.
2. material feeding apparatus according to claim 1, wherein,
The supporting drive division is controlled as, and when the material of lifting unit mounting supplement rises, makes the support
On the material for the supplement that the material supported is loaded on the lifting unit and decline, rear support receive the lifting unit
Supplement material lower surface,
The lifting drive division is controlled as, during the support declines, based on the present level positional information so that
The height and position of the upper space of the material keeps the height and position pre-registered.
3. material feeding apparatus according to claim 1, wherein,
The material feeding apparatus also includes：
Test section is supported, the supporting of the material is detected and does not support；And
Control unit, when the supporting test section detects supporting, based on the present level positional information, with by the supporting
The mode for the height and position that the height and position of the upper space of the material of portion's supporting keeps pre-registering controls the supporting driving
Portion, when the supporting test section detects not support, based on the present level positional information, to be positioned in the lifting unit
The height and position mode of height and position that keeps pre-registering of upper space of material control the lifting drive division.
4. material feeding apparatus according to claim 1, wherein,
The support is configured to, when the height and position of the lowest surface of the material supplemented from below by the lifting unit is in
During predetermined height and position, the lowest surface is supported, and it is most lower when the material supplemented from below by the lifting unit
When the height and position on surface is in the height and position lower than the predetermined height and position, the lowest surface is not supported.
5. material feeding apparatus according to claim 1, wherein,
The support includes claw, and the claw is in a manner of interfering the material that should be supplemented, by towards the material that should be supplemented
The direction force that ascending path protrudes,
The claw by the lifting unit with respect to rising and the drive material that should be supplemented, pushed away from the ascending path
Go out, the material that this should be supplemented by and then it is secondary prominent to the path, the lowest surface of the material is supported.
6. material feeding apparatus according to claim 1 or 2, wherein,
The lifting unit supports to the central portion of material, and the support supports to the periphery of material.
7. material feeding apparatus according to claim 3, wherein,
The support includes claw, and the claw is in a manner of interfering the material that should be supplemented, by towards the material that should be supplemented
The direction force that ascending path protrudes,
The supporting test section detects the claw state prominent to the ascending path and is pushed out from the ascending path
State, the claw is detected as supporting when being in prominent, and the claw is in when being pushed out and is detected as not supporting.
8. material feeding apparatus according to claim 1, wherein,
The material feeding apparatus also includes surplus test section, the material that the surplus test section is supported to the support
Surplus is detected,
When the surplus of material is less than scheduled volume, by the lifting unit to the support supplementary material.
9. material feeding apparatus according to claim 1, wherein,
The material feeding apparatus also includes：
Test section is supported, the supporting of the material is detected or does not support；
Selecting unit, supporting is detected to select the supporting drive division based on the supporting test section, and be based on the supporting
Test section detects not support to select the lifting drive division,
When the selecting unit selection supporting drive division, decline the lifting unit, in case ensuing material supplements,
When the selecting unit selects lifting drive division, make to receive material from the lifting unit under the support
Drop.
10. material feeding apparatus according to claim 1, wherein,
The lifting drive division and the supporting drive division have respectively：Motor；External screw thread, by the motor rotation driving；
Internal thread, it is screwed with the external screw thread；And encoder, the externally threaded rotating speed is detected,
The lifting unit is installed in the internal thread of the lifting drive division, in the internal thread of the supporting drive division
The support is installed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-146645 | 2016-07-26 | ||
| JP2016146645 | 2016-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107649609A true CN107649609A (en) | 2018-02-02 |
Family
ID=59399267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710614455.6A Pending CN107649609A (en) | 2016-07-26 | 2017-07-25 | Material feeding apparatus |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3275816B1 (en) |
| JP (1) | JP6401830B2 (en) |
| CN (1) | CN107649609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551212A (en) * | 2019-09-25 | 2021-03-26 | 理想科学工业株式会社 | Medium supply device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6401830B2 (en) | 2018-10-10 |
| EP3275816A1 (en) | 2018-01-31 |
| JP2018020375A (en) | 2018-02-08 |
| EP3275816B1 (en) | 2021-03-31 |
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Application publication date: 20180202 |