CN102510677B - PIN needle dismantling machine and state recognition control method thereof - Google Patents
PIN needle dismantling machine and state recognition control method thereof Download PDFInfo
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- CN102510677B CN102510677B CN201110281405.3A CN201110281405A CN102510677B CN 102510677 B CN102510677 B CN 102510677B CN 201110281405 A CN201110281405 A CN 201110281405A CN 102510677 B CN102510677 B CN 102510677B
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Abstract
The invention discloses a PIN needle dismantling machine which comprises a machine frame, a pressing device, a workbench and a state recognition control system. The workbench is used for bearing a workpiece into which a PIN needle is inserted; at least one thimble is mounted on the pressing device corresponding to the position of the PIN needle; the thimble moves downwards to press the PIN needle out of the workpiece; and the state recognition control system is used for detecting the pressure applied on the thimble and the displacement of the pressing device moving downwards, recognizing the working state of the PIN needle dismantling machine according to the detected pressure and displacement and controlling the pressing device to continuously press downwards or not and/or give an alarm according to the recognized working state. As the PIN needle dismantling machine can recognize the working state and control the pressing device to continuously press or not and/or to give an alarm according to the recognized working state, the PIN needle dismantling machine can operate safely under a normal working state and can stop in time and give an alarm under an abnormal working state.
Description
Technical field
The present invention relates to circuit board processing technique field, be specifically related to a kind of PIN pin disassemble machine and state recognition control method thereof.
Background technology
Multilayer board (Printed Circuit Board, PCB) be that copper-clad plate hot pressing by layer forms, when pressing, adopt between layers PIN pin to position, after pressing, need the PIN pin inserting in location hole to take out, wherein, the normally columned metal pin of PIN pin.
The operating process of taking out PIN pin can be called PIN pin and disassemble.At present, in a lot of situations, PIN pin is disassembled and is remained manual and carry out, that is, utilize hammer to beat PIN pin is taken out, and the method labour intensity is large, and efficiency is low, also easy damage circuit board.Also have and adopt single-head hydraulic solution PIN machine to disassemble PIN pin, single-head hydraulic solution PIN facility have a hydraulic cylinder, and this lower air cylinder is connected with separates PIN pin, can utilize hydraulic cylinder that solution PIN pin is depressed, PIN pin is extruded from multilayer circuit board.But single-head hydraulic solution PIN machine, when disassembling PIN pin, if separate PIN pin and the misalignment of PIN pin, can damage and separate PIN machine and circuit board.
Summary of the invention
The embodiment of the present invention provides a kind of PIN pin disassemble machine and state recognition control method thereof, and the PIN pin that carries out that can be safer is disassembled, and avoids PIN pin disassemble machine and workpiece damage.
A PIN pin disassemble machine, comprising:
Frame, is arranged on the hold-down devices of upper rack, and is arranged on the workbench of frame middle and lower part, and is arranged on the state recognition control system in hold-down devices;
Described workbench is used for carrying workpiece, in each location hole of described workpiece, is inserted with PIN pin;
Position corresponding to described PIN pin in described hold-down devices is provided with at least one thimble, and described thimble extrudes described PIN pin when moving downward with hold-down devices from the location hole of described workpiece;
The displacement that the pressure that described state recognition control system is subject to for detection of described thimble and described hold-down devices move down, according to the operating state of the size identification PIN pin disassemble machine of the pressure detecting and displacement, and whether continue to press down and/or whether report to the police according to hold-down devices described in the working state control identifying.
A state recognition control method for above-mentioned PIN pin disassemble machine, comprising:
Detect the displacement that the hold-down devices of described PIN pin disassemble machine moves down;
Detect the pressure that the thimble of described PIN pin disassemble machine is subject to;
According to the operating state of the size identification PIN pin disassemble machine of described pressure and displacement;
According to hold-down devices described in the working state control identifying, whether continue to press down and/or whether report to the police.
The PIN pin disassemble machine that the embodiment of the present invention provides; can identify the operating state of self; and whether continue to press down and/or whether report to the police according to the working state control hold-down devices identifying; thereby trouble free service in normal operation; and shut down and report to the police in time under abnormal work state, avoid PIN pin disassemble machine and workpiece to sustain damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the PIN pin disassemble machine that provides of first embodiment of the invention;
Fig. 2 is the structural representation of hold-down devices of the PIN pin disassemble machine of the first embodiment;
Fig. 3 is the first reciprocating mechanism of hold-down devices and the structural representation of fixed head;
Fig. 4 is the schematic diagram of the state recognition control system of PIN pin disassemble machine;
Fig. 5 a is the structural representation of the PIN pin disassemble machine that provides of second embodiment of the invention;
Fig. 5 b is the structural representation of hold-down devices of the PIN pin disassemble machine of the second embodiment;
Fig. 6 is the stereogram of the processing plate navigation system of PIN pin disassemble machine;
Fig. 7 is the end view of the processing plate navigation system of PIN pin disassemble machine;
Fig. 8 is the structural representation of thimble;
Fig. 9 a and 9b are to be respectively stereogram and the front view of thimble holder;
Fig. 9 c and 9d are to be respectively stereogram and the front view of the thimble holder of another embodiment;
Figure 10 is the flow chart of the state recognition control method for PIN pin disassemble machine that provides of the embodiment of the present invention.
Embodiment
The embodiment of the present invention provide a kind of can be safer carry out PIN pin disassemble machine and the state recognition control method thereof that PIN pin is disassembled.Below in conjunction with accompanying drawing, be elaborated.
Please refer to Fig. 1 to Fig. 3, the PIN pin disassemble machine that the embodiment of the present invention provides, comprising: frame 100, is arranged on the hold-down devices 200 of upper rack, with the workbench 300 that is arranged on frame middle and lower part, and be arranged on the state recognition control system in hold-down devices 200; Described workbench 300, for carrying workpiece 400, is inserted with PIN pin 402 in the location hole 401 of described workpiece 400; Position corresponding to described PIN pin 402 in described hold-down devices 200 is also provided with at least one thimble 250, and described thimble 250 extrudes described PIN pin 402 when moving downward from the location hole 401 of described workpiece 400; The displacement that the pressure that described state recognition control system is subject to for detection of described thimble and described hold-down devices move down, according to the operating state of the size identification PIN pin disassemble machine of the pressure detecting and displacement, and whether continue to press down and/or whether report to the police according to hold-down devices described in the working state control identifying.
Wherein, described hold-down devices 200 can comprise the first reciprocating mechanism 210 that is fixed on frame 100 tops and the fixed head 220 that is fixed on the first reciprocating mechanism 210 lower ends, described thimble 250 is arranged on described fixed head 220, and described fixed head 220 and the thimble 250 being arranged on fixed head 220 can pump with respect to frame 100 under the driving of described the first reciprocating mechanism 210.Said the first reciprocating mechanism 210 can be cylinder or hydraulic cylinder, and the cylinder body of this cylinder or hydraulic cylinder is fixedly mounted on the top of frame 100, and the piston rod of this cylinder or hydraulic cylinder stretches out straight down.Said fixed head 220 can be bolted on the lower end of piston rod, makes this fixed head 220 maintenance levels, parallel with workbench 300 surfaces of below.Said thimble 250 is arranged on fixed head 220, can be on fixed head 220 corresponding to below the position of PIN pin 402 of workpiece 400 on workbench 300 offer one or more through holes, one or more thimbles 250 are inserted respectively in this through hole and fixing.
Said workpiece 400 can be multilayer circuit board.But; conventionally due to object easy to process and protection multilayer circuit board; in the process of pressing multilayer circuit board, can use a kind of tool palette; this tool palette comprises cover plate and base plate; multilayer circuit board is placed between cover plate and base plate; and the position corresponding to the location hole of multilayer circuit board on cover plate and base plate also offers location hole; the PIN pin of location use inserts in cover plate, multilayer circuit board and base plate simultaneously, and said workpiece 400 comprises tool palette and at the cover plate of tool palette and the multilayer circuit board between base plate.Further, for raising the efficiency, can the pressing together of a plurality of multilayer circuit boards, between each multilayer circuit board, utilize isolate steel plate to separate, position corresponding to the location hole of multilayer circuit board in isolate steel plate equally also offers location hole, and said workpiece 400 comprises tool palette and in the cover plate of tool palette and a plurality of multilayer circuit boards and the isolate steel plate between base plate.
Said workbench 300, for carrying workpiece 400, can be various forms of workbench, for example, can be the metal frame of hollow, and the surrounding side of workpiece can be placed on this metal frame, and the PIN pin of disassembling out directly drops from hollow space; Can also be a metallic plate, the position corresponding to described thimble of this metallic plate offers the second through hole or the groove that allows thimble to pass, and workpiece is directly placed on this metallic plate, and the PIN pin of disassembling out directly drops from the second through hole or groove; Certainly can also be other form, give an example no longer one by one herein.PIN pin 402 for Dismantlement, at least one PIN pin recycling box 110 can also be installed in the frame 100 of workbench 300 belows, the aperture position of PIN pin recycling box 110 is corresponding with the position of thimble 250, so that the PIN pin 402 of disassembling drops in PIN pin recycling box 110.
As shown in Figure 4, described state recognition control system can comprise the displacement transducer 702 being arranged in hold-down devices 200 and the pressure sensor 701 that is arranged on thimble 250 tops and contacts with the upper surface of thimble 250.Displacement transducer 702 specifically can be arranged on fixed head 220.Conventionally, the lower surface of described displacement transducer 702 is a little less than the lower surface of described thimble 250, so that displacement transducer 702 first touches workpiece 400.In the course of work, displacement transducer 702 touches after workpiece 400 along with hold-down devices 200 moves down, stop declining, start to detect the displacement that hold-down devices 200 moves down, but thimble 250 can continue to decline, when thimble 250 lower ends touch workpiece 400, pressure sensor 701 starts to detect force value.
Hold and be intelligiblely, when thimble 250 inserts the location hole 401 of hollow on workpiece 400, or while being inserted with the location hole 401 of PIN pin 402, or correctly do not aim at location hole 401 and while being pressed onto workpiece 400 surface, the size of the pressure detecting under three kinds of states differs greatly, the size of displacement is not identical yet, the force value that this is detected and the displacement detecting are compared, just can judge current which kind of state that belongs to, thereby be continue normal work punching press PIN pin or quit work or warning etc. for the processor judgement of PIN pin disassemble machine.
Conventionally, can set a calibration displacement h, detect the downward displacement of hold-down devices and reach the pressure while calibrating displacement h, the base measuring pressure recording now and the threshold value of setting are compared, according to base measuring pressure, whether in threshold range, operating state is divided into three kinds.If it is that thimble inserts in location hole and is inserted with the first state of PIN pin in location hole that described base measuring pressure in the scope of described threshold value, is confirmed operating state; If described base measuring pressure is less than described threshold value, confirm that operating state is that thimble inserts in location hole but in location hole, there is no the second state of PIN pin; If described base measuring pressure is greater than described threshold value, confirm that operating state is the third state that thimble misalignment location hole is pressed in work piece surface.Wherein, calibration displacement h and threshold value can rule of thumb be set.
PIN pin disassemble machine can be by identification work at present state, and then determine different control modes, with avoid that the reasons such as error cause such as thimble 250 installation site mistakes or workpiece 400 no-fix accurately or in other situation, the workpiece causing is scrapped or PIN pin disassemble machine damages.For example, PIN pin disassemble machine can, when described operating state is the first state, is controlled described hold-down devices and continue to press down; In described operating state, be second or during the third state, control described hold-down devices and stop pressing down and reporting to the police.
It should be noted that, described pressure sensor 701 can also play other following effect, as, detect and judge whether the suffered pressure of thimble 250 reaches the maximum load value of thimble, if reach, control hold-down devices 200 and stop pressing down, to avoid damaging by pressure or breaking thimble 250.
To sum up; the PIN pin disassemble machine that the embodiment of the present invention provides; can identify the operating state of self; and whether continue to press down and/or whether report to the police according to the working state control hold-down devices identifying; thereby trouble free service in normal operation; and shut down and report to the police in time under abnormal work state, avoid PIN pin disassemble machine and workpiece to sustain damage.In addition, this PIN pin disassemble machine can be provided with a plurality of thimbles by the position corresponding to described PIN pin on fixed head, can extrude efficiently all PIN pins in workpiece by disposable safe.
As shown in Fig. 5 a and Fig. 5 b, in a preferred embodiment, described hold-down devices 200 also comprises the pressing plate 240 that is fixed on the second reciprocating mechanism 230 on described fixed head 220 and is fixed on the second reciprocating mechanism 230 lower ends, position corresponding to described thimble 250 on described pressing plate 240 offers the first through hole 241 that allows thimble 250 to pass, described pressing plate 240 can pump with respect to fixed head 220 under the driving of described the second reciprocating mechanism 230, make described pressing plate 240 can when described thimble 250 is partly or entirely arranged in described location hole 401, push down described workpiece.
Said the second reciprocating mechanism 230 can be cylinder or spring, if cylinder, the cylinder body 231 of this cylinder is fixedly mounted on the top of frame 100, in 232 through holes that relevant position is offered from fixed head 220 straight down of piston rod of this cylinder, stretches out.If the second reciprocating mechanism 230 is cylinder, pressing plate 240 can directly be fixedly connected on the piston-rod lower end of cylinder, also can be fixed on piston-rod lower end by connector, if the second reciprocating mechanism 230 is spring, the two ends up and down of spring are separately fixed to the lower surface of fixed head 220 and the upper surface of pressing plate 240.
Below the course of work of the PIN pin disassemble machine of this preferred embodiment is described as follows:
First, workpiece 400 is fixed and is placed on workbench 300.
Then, fixed head 220 moves downward under the ordering about of the first reciprocating mechanism 210, in this process, be arranged on thimble 250 on fixed head 220 and be connected to pressing plate 240 on fixed head 220 all along with the decline of fixed head 220 declines by the second reciprocating mechanism 230.
When fixed head 220 drops to primary importance, pressing plate 240 lower surfaces touch the upper surface of workpiece 400;
Then, fixed head 220 continues to decline, and 240 of pressing plates stop declining, the second reciprocating mechanism between the two as spring or cylinder compressed, pressing plate 240 is pushed down workpiece 400.When fixed head 220 continues to decline, be arranged on thimble 250 on fixed head 220 through the first through hole 241 of pressing plate 240, start to enter in the location hole 401 of workpiece 400, the PIN pin in location hole 401 is slowly released downwards.
When fixed head 220 drops to the second place, the lower surface of workpiece 400 is arrived on the top of thimble 250, by PIN pin 402 pushing taking-up from workpiece 400 completely, PIN pin 402 is come off from workpiece 400.Now, the distance between fixed head 220 and pressing plate 240 is compressed into minimum.
Then, fixed head 220 starts to rise, thimble 250 starts to depart from the location hole 401 of workpiece 400 until depart from completely, the second reciprocating mechanism between fixed head 220 and pressing plate 240 starts to unfold as spring or cylinder, distance between the two starts to increase, but pressing plate 240 remains pushes down workpiece 400, prevent that workpiece 400 from moving to such an extent as to damage workpiece 400 or cause thimble 250 fractureed by side force under the drive of thimble 250.
While rising to primary importance from fixed head 220, pressing plate 240 lower surfaces start to leave the upper surface of workpiece 400, thimble 250 also departs from workpiece 400 completely, pressing plate 240 and thimble 205 all rise along with the rising of fixed head 220, so far, PIN has disassembled and hold-down devices 200 is left workpiece 400 completely, has removed the workpiece 400 of PIN pin and just can take away and circulate to subsequent handling.
To sum up, the PIN pin disassemble machine of this preferred embodiment, by a pressing plate that is connected to below fixed head and can pumps with respect to fixed head is set in hold-down devices, and make this pressing plate when thimble is partly or entirely arranged in workpiece, push down workpiece, can prevent that workpiece is at the drive bottom offset of thimble, both can avoid workpiece damage, and can prevent from again that thimble is stressed to fracture.
In order to make the automaticity of PIN pin disassemble machine higher, move more perfectly, can also there be more improvements, below explanation one by one:
Further, in order to improve thimble aligning accuracy, the PIN pin disassemble machine of the present embodiment can also comprise: at least two axis of guides 120 that vertically arrange, on described fixed head 220 and pressing plate 240, offer separately pilot hole, and the described axis of guide 120 is through described pilot hole.Thereby fixed head 220 and pressing plate 240 can only be under the guiding of the axis of guide 120, the route definite along the axis of guide 120 pumps, to improve thimble aligning accuracy.Wherein, the friction for fear of between the axis of guide 120 and fixed head 220 and pressing plate 240, can also be provided with bearing between the described axis of guide 120 and pilot hole.
Further, in order to improve PIN pin, disassemble efficiency, in frame 100, track transfer system 500 can also be installed, to realize, workpiece 400 is delivered to workbench 300 automatically and the workpiece 400 of disassembling after PIN pin is seen off from workbench 300.Said track transfer system 500 can be traditional track transfer system, for example, comprise: moving runner or rotation axis, be socketed in belt or chain on moving runner or rotation axis, for ordering about motor that moving runner or rotation axis rotate and transmission mechanism thereof etc.The upper procedure that this track transfer system 500 can be disassembled with PIN pin couples together as hot pressing operation and next process.
Further, in order to realize the automatic location of workpiece 400 on workbench 300, on workbench 300, can also be provided with workpiece navigation system 600.As shown in Figure 6 and Figure 7, this workpiece navigation system 600 comprises: along workpiece 400, send into two gib blocks 601 that raise up that direction (as the direction of arrow in Fig. 6) is arranged on workbench 300 both sides, the spacing between these two gib blocks 601 and the width of workpiece 400 match; Return middle alignment pin 602 at least two that are separately positioned on workbench 300 other both sides, described in return middle alignment pin 602 to be arranged on the piston rod top of positioning cylinder 603, the cylinder body of described positioning cylinder 603 is arranged on the below of workbench 300; Orientation detection sensors 604, for when workpiece 400 being detected and be fed through assigned address, the piston rod of controlling positioning cylinder 603 stretches out, and makes to return middle alignment pin 602 to insert on workpieces 400 and returns accordingly in middle location hole 403.
In preferred embodiment, described in to return middle alignment pin 602 be four, be distributed in four jiaos of workbench, return the line of middle alignment pin 602 to form rectangles for four; The middle and upper part of each alignment pin is offered an aperture separately, a location is installed in aperture and completes transducer 605.The operation principle of the workpiece navigation system of the preferred embodiment is as follows: under initial condition, the piston rod of location cylinder 603 is in contraction state,, return middle alignment pin 602 in sinking state, to allow workpiece 400 to be fed on workbench 300, when orientation detection sensors 604 senses that workpiece 400 arrives assigned address, the piston rod of controlling four location cylinders 603 protrudes upward, and makes to return middle alignment pin 602 to insert on workpiece 400 and returns accordingly in middle location hole 403.Wherein, return the top of middle alignment pin 602 tapered, can insert and return middle location hole 403, but its lower end diameter is greater than and returns middle location hole 403.Return alignment pin 602 to insert and return after middle location hole 403, continue to protrude upward, by whole workpiece 300 jack-up upwards, jack-up height is about 1 centimetre of left and right, and in the process of jack-up, the automatic fine tuning of workpiece 300 positions, reaches location more accurately.While returning middle alignment pin 602 to make progress jack-up realization location, return the middle and upper part of middle alignment pin 602 will be through returning middle location hole 403, if being arranged on four returns four location in middle alignment pin 602 to complete transducer 605 to detect four and return the middle and upper part of middle alignment pin 602 all normally through location hole 403, illustrate and located, can control four location cylinders 603 declines simultaneously, make by workpiece 400 slowly lands of jack-up at workbench 300, now, location completes.Then, hold-down devices 200 just can press down and carry out PIN pin and disassembled.
Further, for realizing efficient and convenient installation thimble 250 on fixed head 220, the fixed head 220 of the present embodiment PIN pin disassemble machine and thimble 250 can special designs, and can comprise a kind of thimble holder 260, thimble 250 can be arranged on fixed head 220 by thimble holder 260.
Wherein, for fixed head 220, in order to obtain better versatility, the location hole 401 that can disassemble the various workpieces 400 of PIN pin according to daily need is offered a lot of through holes in the relevant position of fixed head 220, in processing during wherein a certain workpiece 400, only in the position of several location holes of these workpiece 400 correspondences, thimble 250 is installed.
For thimble 250, can be designed to different shapes.Fig. 8 shows a kind of simple thimble structure, and this thimble 250 can be that metal is made, and is conventionally cylindric, and its upper end external diameter is slightly large, form one spacing with step, can not come off after making thimble insert the through hole that use is installed on fixed head 220.Further, in order to prevent from pressing down thimble rotation in process, its upper end can cut at least one side, and making it is no longer circular cross-section, then coordinates with the mounting portion on fixed head 220, just can prevent rotation.Further, for thimble 250 is more easily inserted in the location hole 401 of workpiece 400, the diameter of the lower end of this thimble 250 can dwindle gradually, is circular cone or frustum, and the inclined-plane of circular cone or frustum becomes spigot surface.
Please refer to Fig. 9 a and 9b, said thimble holder 260 comprises: holder 261, briquetting 262 and handle 263.This holder 261 can be fixed by screws on fixed head 220, on holder 261, offer mounting groove 264, mounting groove 264 has larger inside spatial accommodation and a less upper opening, its cross section is inverted T-shape, the bottom of mounting groove 264 offers an above thimble jack, and the position of thimble jack is corresponding with the position of the through hole of offering on the fixed head of below 220.Thimble 250 is installed by mounting groove 264, and the opening of mounting groove 264 tops allows thimble 250 integral body to pass, and the middle and lower part of thimble 250 is passed from the thimble jack of mounting groove 264 bottoms, and its upper end is retained in mounting groove 264.The cross section of briquetting 262 is also inverted T-shape, and matches with mounting groove 264, can pack into mounting groove 264 from an end opening of mounting groove 264, can horizontal slip in mounting groove 264 after packing into, but can not upwards depart from mounting groove 264.This briquetting 262 is slided a position for customization 250 is only installed, utilize the lower surface of this briquetting 262 to push down the upper surface of thimble 250.In order to prevent that briquetting 262 from sliding, and can be arranged on handle 263 on holder 261, and be positioned at the top of briquetting 262.This handle 263 comprises a mounting blocks 2631 and is fixed on the handle body 2632 that is reverse U shape on mounting blocks 2631, and the middle part of this mounting blocks 2631 offers the through hole that allows the upper end of inverted T-shape briquetting 262 to pass.Can be in the upper end of this T font briquetting 262 a sheathed spring 265, and the deflation screw 2621 that a diameter is greater than the diameter of spring 265 can be established in the top of inverted T-shape briquetting 262, the spring 265 that is compressive state is limited in mounting blocks 2631 and tightens between screw 2621.Utilize the recovery elastic force of spring 265 to realize the relative fixing of briquetting 262 and handle 263.Handle 263 can, by the pin 2633 that is located at the bottom of its mounting blocks 2631 is inserted in the pin hole 266 of offering on holder 261, be secured on holder 261.The position of pin hole 266, according to the location positioning of thimble jack, guarantees no matter which thimble jack thimble 250 is inserted in, all handle 262 can be fixed on to this thimble 250 tops.In the time need to changing the position of thimble 250, handle 263 is extracted from pin hole 266, and after 90-degree rotation, move horizontally, can drive briquetting 262 to move horizontally simultaneously, depart from the position of former thimble 250, can this thimble 250 take out and change and be installed in other thimble jack.
In preferred embodiment, can also said pressure sensor 701 be above installed in this thimble holder 260, as shown in Fig. 9 c and Fig. 9 d.Under this scene, the thickness of briquetting 262 is reduced, so as the bottom surface of briquetting 262 and thimble 250 determine between section, reserve the space of mating with pressure sensor 701, thereby, pressure sensor 701 is placed in to mounting groove 264, is attached to the upper surface of thimble 250, be positioned at the lower surface of briquetting 262.The lead-in wire of pressure sensor 701 is drawn from one end of mounting groove 264, is connected to the control system of PIN pin disassemble machine.Carry out PIN pin while disassembling operation, the pressure that hold-down devices 200 is subject to is first delivered to thimble holder 260, then successively by fixing briquetting 262 and pressure sensor 701 in the mounting groove of thimble holder, the stressed downward thimble 250 of pressure sensor 701, thimble 250 is stressed extrudes workpiece 400 by PIN pin, completes solution PIN and disassembles.In this process, if the pressure that pressure sensor 701 detects has reached the maximum load value of setting, control hold-down devices 200 and stop pressing down, to avoid damaging by pressure or breaking thimble 250.
Please refer to Figure 10, a kind of state recognition control method of the PIN pin disassemble machine providing for above-described embodiment is also provided the embodiment of the present invention, comprising:
101, detect the displacement that the hold-down devices of described PIN pin disassemble machine moves down;
Concrete, the displacement transducer of the state recognition control system of this PIN pin disassemble machine can be when touching workpiece, detect the displacement that hold-down devices continues to move down.
102, detect the pressure that the thimble of described PIN pin disassemble machine is subject to;
When thimble starts to touch workpiece, rise, the pressure sensor of the state recognition control system of this PIN pin disassemble machine can detect the force value of non-zero.Optionally, state recognition control system can judge whether the described pressure detecting reaches the maximum load value of thimble, if reach, control hold-down devices and stop pressing down, and, to avoid damaging by pressure or breaking thimble; If do not reach, can allow hold-down devices to continue to press down.
103, according to the operating state of the size identification PIN pin disassemble machine of described pressure and displacement;
Hold and be intelligiblely, when thimble 250 inserts the location hole 401 of hollow on workpiece 400, or while being inserted with the location hole 401 of PIN pin 402, or correctly do not aim at location hole 401 and while being pressed onto workpiece 400 surface, the size of the pressure detecting under three kinds of states differs greatly, the size of displacement is not identical yet, the force value that this is detected and the displacement detecting are compared, just can judge current which kind of state that belongs to, thereby be continue normal work punching press PIN pin or quit work or warning etc. for the processor judgement of PIN pin disassemble machine.
Conventionally, can set a calibration displacement h, detect the downward displacement of hold-down devices and reach the pressure while calibrating displacement h, the threshold value of the base measuring pressure now detecting and setting is compared, according to base measuring pressure, whether in threshold range, operating state is divided into three kinds, comprise: if described base measuring pressure in the scope of described threshold value, is confirmed operating state, be that thimble inserts in location hole and in location hole, is inserted with the first state of PIN pin; If described base measuring pressure is less than described threshold value, confirm that operating state is that thimble inserts in location hole but in location hole, there is no the second state of PIN pin; If described base measuring pressure is greater than described threshold value, confirm that operating state is the third state that thimble misalignment location hole is pressed in work piece surface.
104, according to the working state control hold-down devices identifying, whether continue to press down and/or whether report to the police.
PIN pin disassemble machine can be by identification work at present state, and then determine different control modes, with avoid that the reasons such as error cause such as thimble 250 installation site mistakes or workpiece 400 no-fix accurately or in other situation, the workpiece causing is scrapped or PIN pin disassemble machine damages.For example, PIN pin disassemble machine can, when described operating state is the first state, is controlled described hold-down devices and continue to press down; In described operating state, be second or during the third state, control described hold-down devices and stop pressing down and reporting to the police.
The method that the embodiment of the present invention provides; can identify the operating state of PIN pin disassemble machine; and whether continue to press down and/or whether report to the police according to the hold-down devices of the working state control PIN pin disassemble machine identifying; thereby make PIN pin disassemble machine trouble free service in normal operation; under abnormal work state, shut down and report to the police in time, to avoid PIN pin disassemble machine and workpiece to sustain damage.
Above; the PIN pin disassemble machine that the embodiment of the present invention is provided and state recognition control method thereof; be elaborated; but be understandable that; the above is part preferred embodiment; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, it will also be appreciated that more variation or replacement, within all should being encompassed in protection scope of the present invention.Thereby the explanation of above embodiment is just understood method of the present invention and core concept thereof for helping, and should not be construed as limitation of the present invention.
Claims (6)
1. a PIN pin disassemble machine, is characterized in that, comprising:
Frame, is arranged on the hold-down devices of upper rack, and is arranged on the workbench of frame middle and lower part, and is arranged on the state recognition control system in hold-down devices;
Described workbench is used for carrying workpiece, in each location hole of described workpiece, is inserted with PIN pin;
Described hold-down devices comprises the first reciprocating mechanism that is fixed on upper rack and the fixed head that is fixed on the first reciprocating mechanism lower end, position corresponding to described PIN pin on described fixed head is provided with at least one thimble, described fixed head and the thimble being arranged on fixed head pump with respect to frame under the driving of described the first reciprocating mechanism, and described thimble extrudes described PIN pin when moving downward with hold-down devices from the location hole of described workpiece;
Described state recognition control system comprises the displacement transducer being arranged in hold-down devices and the pressure sensor that is arranged on thimble top and contacts with the upper surface of thimble, the displacement that the pressure being subject to for detection of described thimble and described hold-down devices move down, according to the operating state of the size identification PIN pin disassemble machine of the pressure detecting and displacement, and whether continue to press down and/or whether report to the police according to hold-down devices described in the working state control identifying;
The operating state of described PIN pin disassemble machine comprises: described thimble inserts in location hole and in location hole, is inserted with the first state of PIN pin, insert in location hole with described thimble but in location hole, there is no the second state of PIN pin, and described thimble misalignment location hole and be pressed in the third state of work piece surface;
Described state recognition control system, when identifying the first state, is controlled described hold-down devices and is continued to press down; While identifying the second state or the third state, control described hold-down devices and stop pressing down and reporting to the police.
2. PIN pin disassemble machine according to claim 1, is characterized in that:
Described state recognition control system also, for judging whether the described pressure detecting reaches the maximum load value of thimble, if reach, is controlled hold-down devices and is stopped pressing down.
3. PIN pin disassemble machine according to claim 1, is characterized in that:
Described hold-down devices also comprises the second reciprocating mechanism being fixed on described fixed head and is fixed on the pressing plate of the second reciprocating mechanism lower end, position corresponding to described thimble on described pressing plate offers the first through hole that allows thimble to pass, described pressing plate pumps with respect to fixed head under the driving of described the second reciprocating mechanism, and described pressing plate is pushed down described workpiece when described thimble is partly or entirely arranged in described location hole.
4. for a state recognition control method for PIN pin disassemble machine claimed in claim 1, it is characterized in that, comprising:
By being arranged on the displacement transducer in hold-down devices, detect the displacement that the hold-down devices of described PIN pin disassemble machine moves down;
By the pressure sensor that is arranged on thimble top and contacts with the upper surface of thimble, detect the pressure that the thimble of described PIN pin disassemble machine is subject to;
According to the operating state of the size identification PIN pin disassemble machine of described pressure and displacement, described work shape body comprises: thimble inserts in location hole and in location hole, is inserted with the first state of PIN pin, insert in location hole with thimble but in location hole, there is no the second state of PIN pin, and thimble misalignment location hole and be pressed in the third state of work piece surface;
When described operating state is the first state, controls described hold-down devices and continue to press down; In described operating state, be second or during the third state, control described hold-down devices and stop pressing down and reporting to the police.
5. method according to claim 4, is characterized in that, the described operating state according to the size identification PIN pin disassemble machine of described pressure and displacement comprises:
Base measuring pressure and predefined threshold value when the displacement detecting is reached to the calibration displacement of setting compare;
If it is that thimble inserts in location hole and is inserted with the first state of PIN pin in location hole that described base measuring pressure in the scope of described threshold value, is confirmed operating state;
If described base measuring pressure is less than described threshold value, confirm that operating state is that thimble inserts in location hole but in location hole, there is no the second state of PIN pin;
If described base measuring pressure is greater than described threshold value, confirm that operating state is the third state that thimble misalignment location hole is pressed in work piece surface.
6. method according to claim 4, it is characterized in that, after the pressure that the thimble of described detection PIN pin disassemble machine is subject to, also comprise: whether the described pressure that judgement detects reaches the maximum load value of thimble, if reach, controls hold-down devices and stops pressing down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110281405.3A CN102510677B (en) | 2011-09-21 | 2011-09-21 | PIN needle dismantling machine and state recognition control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110281405.3A CN102510677B (en) | 2011-09-21 | 2011-09-21 | PIN needle dismantling machine and state recognition control method thereof |
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| Publication Number | Publication Date |
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| CN102510677A CN102510677A (en) | 2012-06-20 |
| CN102510677B true CN102510677B (en) | 2014-09-17 |
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| CN201110281405.3A Expired - Fee Related CN102510677B (en) | 2011-09-21 | 2011-09-21 | PIN needle dismantling machine and state recognition control method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328198B (en) * | 2018-12-14 | 2024-08-02 | 深南电路股份有限公司 | Disassembling device |
| CN211184442U (en) * | 2019-11-26 | 2020-08-04 | 惠州市成泰自动化科技有限公司 | Synchronous PIN removing mechanism |
| CN111394777B (en) * | 2020-02-19 | 2022-02-22 | 深圳市海铭德科技有限公司 | Method for monitoring ejector pin ejection force for chip coating process |
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| CN101808471A (en) * | 2010-03-31 | 2010-08-18 | 深南电路有限公司 | PIN needle dissembling device and PIN dissembling head |
| CN201928524U (en) * | 2010-12-29 | 2011-08-10 | 嘉联益科技股份有限公司 | Molding jig of process equipment used for blind routing processing and conversion molding processing for circuit board |
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| US5887312A (en) * | 1996-09-12 | 1999-03-30 | Transition Automation, Inc. | Clamping assembly for squeegee blade with pin referencing and bar clamping |
| CN101500376A (en) * | 2009-03-16 | 2009-08-05 | 深圳市深南电路有限公司 | Method for producing high multilayered blind hole multilayer board by double head pressing insertion pin |
| CN201471133U (en) * | 2009-08-25 | 2010-05-19 | 福建福强精密印制线路板有限公司 | Precise printed circuit board drill hole pin retreating device |
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