CN103273389A - Automatic feeding device used in process of grinding mesopores of needle valve bodies and control method thereof - Google Patents

Automatic feeding device used in process of grinding mesopores of needle valve bodies and control method thereof Download PDF

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Publication number
CN103273389A
CN103273389A CN2013101723747A CN201310172374A CN103273389A CN 103273389 A CN103273389 A CN 103273389A CN 2013101723747 A CN2013101723747 A CN 2013101723747A CN 201310172374 A CN201310172374 A CN 201310172374A CN 103273389 A CN103273389 A CN 103273389A
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feeding
mandrel
sensor
chuck
cylinder
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CN103273389B (en
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黄益人
陈旭东
石剑峰
王丹军
胡平
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NANTONGXIGNWEI OIL PUMP AND NOZZLE CO Ltd
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NANTONGXIGNWEI OIL PUMP AND NOZZLE CO Ltd
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Abstract

The invention provides an automatic feeding device used in the process of grinding mesopores of needle valve bodies. The automatic feeding device comprises a rack, a trough, a feeding mechanism and a workpiece clamping mechanism, wherein the trough, the feeding mechanism and the workpiece clamping mechanism are respectively mounted on the rack. By means of the automatic feeding device, materials can be sent from the trough to the workpiece clamping mechanism automatically, the technical gap of the existing pneumatic grinder which is used for grinding the needle valve bodies is filled, and the efficiency of grinding the mesopores of the needle valve bodies is improved effectively. The invention further provides a control method of the automatic feeding device. The automatic feeding device is convenient to operate and capable of meeting the demands of feeding and discharging materials in the process of grinding the mesopores of the needle valve bodies with the pneumatic grinder.

Description

The automatic feeding and the control method thereof that are used for mill machined needles valve body mesopore
Technical field
The present invention relates to a kind of automatic feeding for mill machined needles valve body mesopore, belong to the main accessory of pneumatic grinding machine of grinding needle-valve body.
Another technical purpose of the present invention provides a kind of control method of above-mentioned automatic feeding, to finish the automatic charging of workpiece.
Background technology
Injector nozzle matching parts is the core component of diesel fuel system, and its effect is that the hydraulic oil that high-pressure fuel pump of diesel engine provides is required to inject cylinder with certain pressure, certain injection rate and atomizing.The effect of needle-valve body is to conduct hydraulic oil and can finish fuel feeding by the fuel oil rule with needle-valve, and the diameter of its mesopore is generally 4 ~ 6 millimeters.Because the injector nozzle matching parts working environment is more abominable, so the material of needle-valve body is generally the 18CrNi8 structural steel, the grinding of its mesopore is finished at pneumatic grinding machine, in the process, loading and unloading are by by manual operations, and therefore, the production efficiency of mill machined needles valve body mesopore is extremely low.
Therefore, for improving the production efficiency of mill machined needles valve body mesopore, be necessary to improve the loading and unloading mode of existing pneumatic grinding machine, namely provide a kind of automatic feeding imperative.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of automatic feeding for mill machined needles valve body mesopore is provided, this device can be finished the self-feeding between hopper and the workpiece grip mechanism automatically, overcome existing needle-valve body grinding with the technological gap of pneumatic grinding machine, improved the production efficiency of grinding machined needles valve body mesopore effectively.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of automatic feeding for mill machined needles valve body mesopore, comprise frame and the rack-mounted hopper of difference, feed mechanism, workpiece grip mechanism, described feed mechanism comprises feeding mandrel, first linear reciprocation travel mechanism and the rotary drive mechanism, the output of the first linear reciprocation travel mechanism is connected with rotary drive mechanism, and the output of rotary drive mechanism and feeding mandrel are connected; Described feeding mandrel is united under the driving the first linear reciprocation travel mechanism, rotary drive mechanism, has first extreme position, second extreme position; When described feeding mandrel is in first extreme position, the working end of feeding mandrel is in feed entrance point, the working end of feeding this moment mandrel is connected mutually with the discharging opening of hopper, when described feeding mandrel is in second extreme position, the working end of feeding mandrel is in the discharging position, and the working end of feeding this moment mandrel is connected mutually with the charging aperture of workpiece grip mechanism.
The described first linear reciprocation travel mechanism comprises feeding cylinder; Described rotary drive mechanism comprises oscillating cylinder; The output of described feeding cylinder is connected with oscillating cylinder by connecting base, and feeding cylinder is fixedly installed in frame, the output of oscillating cylinder then is connected by swing arm and feeding mandrel, first position-limit mechanism of described swing arm configuration location self first extreme position, locatees second limit mechanism of self second extreme position; The flexible direction of described frame upper edge feeding cylinder is laid rail plate, connects base and is installed on the rail plate.
Described feeding mandrel comprises the mandrel body, and an end of this mandrel body is provided with the fixedly connected portion that is connected for the rotary drive mechanism output, and the other end then is provided for the resilient clamp portion of clamping needle-valve body to be processed; Described fixedly connected forms by offer screw thread in the periphery of mandrel body, and resilient clamp portion is then by offering blind hole, offering at the hole wall of blind hole that mutual equally distributed opening forms more than two along the axis of mandrel body.
The end of described resilient clamp portion and blind hole openend homonymy is provided with guide part, and described guide part is the cambered surface setting, and fillet is handled between the axis body of the cambered surface of guide part and mandrel body.
The overall diameter of resilient clamp portion that is in the flexible state of nature is bigger 0.01 ~ 0.03 millimeter than the aperture of needle-valve body to be processed.
Described workpiece grip mechanism comprises bearing, this bearing is offered cavity along axis, along axis clamp assemblies is installed in the cavity, this clamp assemblies comprises the second linear reciprocation travel mechanism, pull bar, collet and lastics mandrel, the second linear reciprocation travel mechanism is fixedly installed in bearing, and the second linear reciprocation travel mechanism output and pull bar, collet are linked in sequence; Described collet is offered the chuck through hole along axis, chuck through hole one end is provided for the chuck fixed part that is connected with pull bar, the other end arranges the chuck clamping part, the chuck otch of chuck clamping part by evenly being opened in chuck through hole wall along chuck through-bore axis direction is forming, and the chuck clamping part arranges the clamping working head near the end; Clamping working head periphery arranges the taper pressurized and regulates working face, and cavity inner wall is regulated working face corresponding to the taper pressurized taper working face of exerting pressure is set, and it is suitable that the taper pressurized is regulated working face, the taper working face of exerting pressure; Lastics mandrel one end is slidingly connected by chuck otch and clamping working head, and the other end then passes the movable placement of the chuck through hole corresponding with the clamping working head; Described chuck through hole is built-in with spring, and this spring one end contacts with pull bar, and the other end then is connected with the movable end of lastics mandrel; The second linear reciprocation travel mechanism regulates the chucking power between clamping working head and the lastics mandrel by moving back and forth collet, realizes piece-holder or release; The lastics mandrel is realized the discharging of workpiece under the elastic force effect of spring.
Described chuck otch is at least 3, and the end of described lastics mandrel is provided with a mandrel slide block corresponding to each chuck otch, and each mandrel slide block is slidingly connected with corresponding separately chuck otch.
The chuck of establishing the turning cylinder of cavity in described bearing comprises and fixedlying connected with the turning cylinder cavity tightens up shell, chuck tightens up between shell and the turning cylinder cavity and is connected, and chuck tightens up the opposing uncovered setting in end of shell and turning cylinder cavity, and the chuck internal face that tightens up shell nestles up uncovered end the taper working face of exerting pressure is set; Back and forth linear moving apparatus is fixedly mounted on the inwall of turning cylinder cavity.
The liftout cylinder is installed in the discharging opening position of described hopper, and the output of this liftout cylinder is oppositely arranged with the feeding mandrel working end that is in feed entrance point.
Another technical purpose of the present invention provides a kind of autocontrol method for above-mentioned feed mechanism, the first sensor that comprises the PLC controller and be used for the success of feedback feeding mandrel material loading, be used for feedback and connect base is in himself first extreme position under feeding cylinder drives second sensor, be used for feedback and connect base is in himself second extreme position under feeding cylinder drives the 3rd sensor, be used for the feedback swing arm is in himself first extreme position under oscillating cylinder drives four-sensor, be used for the feedback swing arm is in himself second extreme position under oscillating cylinder drives the 5th sensor; The PLC controller is according to first sensor, second sensor, the 3rd sensor, four-sensor, the 5th sensor institute feedback information, finish the feeding of workpiece between hopper and workpiece grip mechanism, specifically may further comprise the steps: a, described PLC controller are according to first sensor institute feedack, start feeding cylinder, drive and connect the base translation, until the second sensor sensing scope, trigger second sensor; B, PLC controller are according to second sensor institute feedack in a step, start oscillating cylinder and drive the swing arm rotation, until the induction range of four-sensor, trigger four-sensor, feeding this moment mandrel arranges with collet is concentric, and swing arm is simultaneously located by first position-limit mechanism; C, PLC controller are according to four-sensor feedack in the b step, and control feeding cylinder retraction until the induction range of the 3rd sensor, triggers the 3rd sensor, and workpiece is passed to workpiece grip mechanism under the effect of feeding cylinder at this moment; D, PLC controller are according to the information of the 3rd sensor feedback in the c step, and the work of control workpiece grip mechanism is behind the clamping work pieces, start feeding cylinder again, drive the translation of connection base, until the second sensor sensing scope, trigger second sensor, this moment, workpiece broke away from the feeding mandrel; E, PLC controller are according to second sensor institute feedack in the d step, and the control oscillating cylinder drives the swing arm backswing, until the induction range of the 5th sensor, triggers the 5th sensor, and swing arm this moment is located by second position-limit mechanism; F, PLC controller are according to the 5th sensor institute feedack, and the control feeding cylinder bounces back to original state, finishes a feeding process.
According to above technical scheme, with respect to prior art, the present invention has following beneficial effect:
1, the present invention adopts uniting of the first linear reciprocation travel mechanism, rotary drive mechanism to drive the feeding mandrel, realize that the feeding mandrel carries out the material loading operation with the workpiece that comes out in the hopper, be sent to workpiece grip mechanism then, finishing workpiece transmits, hence one can see that: the present invention is simple and compact for structure, operates also comparatively easy; In addition, the present invention is based on the order operation that the PLC controller is realized each driving mechanism, finish the automatic transmission of workpiece;
2, the present invention is convenient to installation, the dismounting of mandrel body and feed mechanism by offering screw thread in the periphery of mandrel body to form the fixedly connected portion that is connected with the feed mechanism output; By offering blind hole along the axis of mandrel body, offering the resilient clamp portion that mutual equally distributed opening more than two is formed for clamping needle-valve body to be processed at the hole wall of blind hole, be convenient to the operation of feeding and discharging of needle-valve body to be processed; The present invention is arranged to cambered surface with the blind end of blind hole, and then service life of the present invention is namely improved carrying out elastic dilatation and when flexible, being not easy to cause the damage of blind hole blind end by resilient clamp portion; In addition, the present invention is provided with guide part in the end of resilient clamp portion and blind hole openend homonymy, further improves the operation of feeding and discharging convenience of needle-valve body to be processed in resilient clamp portion;
3, workpiece grip mechanism of the present invention adopts reciprocal linear moving mechanism by moving back and forth collet, regulates the chucking power between clamping working head and the lastics mandrel, realizes piece-holder or release; The lastics mandrel is realized the discharging of workpiece under the elastic force effect of spring, hence one can see that, and the present invention is simple in structure, and is easy to adjust, is applicable to the loading and unloading demand of pneumatic grinding machine machined needles valve body needle-valve mesopore.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is PLC control chart of the present invention;
Fig. 4 is the structural representation of feeding mandrel of the present invention;
Fig. 5 is the structural representation of workpiece grip mechanism of the present invention;
Fig. 6 a is the structural representation of collet of the present invention;
Fig. 6 b is the cutaway view of Fig. 6 a;
Fig. 6 c is wherein two revolved sectional views that the chuck otch dissects of Fig. 6 a edge;
Fig. 7 a is the structural representation of lastics fuse of the present invention;
Fig. 7 b is the A-A cutaway view among Fig. 7 a;
Among the figure: oscillating cylinder 01; Feeding mandrel 02; Fixedly connected 021; Guide part 022; Resilient clamp portion 023; Blind hole 024; Hopper fixed head 03; Base plate 04; Air cylinder base 05; Hopper 06; Swing arm 07; Connect base 08; Rail plate 09; Second position-limit mechanism 10; Locking nut 11; Liftout cylinder 12; Feeding cylinder 13; Workpiece grip mechanism 16; Turning cylinder 161; Telescopic cylinder 162; Pull bar 163; Collet 164; Chuck otch 1641; Chuck fixed part 1642; Clamping working head 1643; Spring 165; Chuck tightens up shell 166; Lastics mandrel 167; Mandrel slide block 1671.
The specific embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation; Explain technical scheme of the present invention below with reference to accompanying drawing.
Shown in Fig. 1 to 2, automatic feeding for mill machined needles valve body mesopore of the present invention, comprise frame and the rack-mounted hopper 06 of difference, feed mechanism, workpiece grip mechanism 16, described feed mechanism comprises feeding mandrel 02, first linear reciprocation travel mechanism and the rotary drive mechanism, the output of the first linear reciprocation travel mechanism is connected with rotary drive mechanism, and the output of rotary drive mechanism and feeding mandrel 02 are connected; Described feeding mandrel 02 is united under the driving the first linear reciprocation travel mechanism, rotary drive mechanism, has first extreme position, second extreme position; When described feeding mandrel 02 is in first extreme position, the working end of feeding mandrel 02 is in feed entrance point, the working end of feeding this moment mandrel 02 is connected mutually with the discharging opening of hopper 06, when described feeding mandrel 02 is in second extreme position, the working end of feeding mandrel 02 is in the discharging position, and the working end of feeding this moment mandrel 02 is connected mutually with the charging aperture of workpiece grip mechanism 16.Wherein: the described first linear reciprocation travel mechanism comprises feeding cylinder 13; Described rotary drive mechanism comprises oscillating cylinder 01; The output of described feeding cylinder 13 is connected with oscillating cylinder 01 by connecting base 08, the output of feeding cylinder 13 be connected between the base 08 by locking nut 11 lockings, and the air cylinder base 05 of feeding cylinder 13 is fixedly installed in frame, the output of oscillating cylinder 01 then is connected by swing arm 07 and feeding mandrel 02, first position-limit mechanism of described swing arm 07 configuration location self first extreme position, locatees second limit mechanism of self second extreme position; The flexible direction of described frame upper edge feeding cylinder 13 is laid rail plate 09, connects base 08 and is installed on the rail plate 09.In addition, liftout cylinder 12 is installed in the discharging opening position of described hopper 06, the output of this liftout cylinder 12 is oppositely arranged with feeding mandrel 02 working end that is in feed entrance point, after to be workpiece from the discharging opening of hopper 06 come out, the piston rod of liftout cylinder 12 stretches out, and workpiece is headed into the working end of feeding mandrel 02, until triggering first sensor, liftout cylinder 12 stops to move ahead, and begins to bounce back to initial position; After finishing a feeding circulation, feeding mandrel 02 is got back to initial position, and liftout cylinder 12 is started working again at this moment, and the workpiece that will be in hopper 06 discharging opening heads into the working end of feeding mandrel 02, starts next feeding circulation.
Wherein: frame comprises base plate 04 and hopper 06 fixed head 03, and hopper 06 fixed head 03 vertically is installed on the base plate 04.
As shown in Figure 3, it discloses PLC control chart of the present invention, in conjunction with this figure and concrete structure of the present invention, the control method of feed mechanism of the present invention is as follows: the first sensor that comprises the PLC controller and be used for the 02 material loading success of feedback feeding mandrel, be used for feedback and connect base 08 is in himself first extreme position under feeding cylinder 13 drives second sensor, be used for feedback and connect base 08 is in himself second extreme position under feeding cylinder 13 drives the 3rd sensor, be used for feedback swing arm 07 is in himself first extreme position under oscillating cylinder 01 drives four-sensor, be used for feedback swing arm 07 is in himself second extreme position under oscillating cylinder 01 drives the 5th sensor; The PLC controller is according to first sensor, second sensor, the 3rd sensor, four-sensor, the 5th sensor institute feedback information, finish the feeding of workpiece between hopper 06 and workpiece grip mechanism 16, specifically may further comprise the steps: a, described PLC controller are according to first sensor institute feedack, start feeding cylinder 13, drive and connect base 08 translation, until the second sensor sensing scope, trigger second sensor; B, PLC controller are according to second sensor institute feedack in a step, start oscillating cylinder 01 and drive swing arm 07 rotation, induction range until four-sensor, trigger four-sensor, feeding this moment mandrel 02 and collet 164 concentric settings, swing arm 07 simultaneously is by first position-limit mechanism location, and first position-limit mechanism is a limited block; C, PLC controller are according to four-sensor feedack in the b step, and control feeding cylinder 13 retractions until the induction range of the 3rd sensor, trigger the 3rd sensor, and workpiece is passed to workpiece grip mechanism 16 under the effect of feeding cylinder 13 at this moment; D, PLC controller are according to the information of the 3rd sensor feedback in the c step, and 16 work of control workpiece grip mechanism are behind the clamping work pieces, start feeding cylinder 13 again, drive 08 translation of connection base, until the second sensor sensing scope, trigger second sensor, this moment, workpiece broke away from feeding mandrel 02; E, PLC controller are according to second sensor institute feedack in the d step, control oscillating cylinder 01 drives swing arm 07 backswing, until the induction range of the 5th sensor, triggers the 5th sensor, swing arm 07 this moment is by second position-limit mechanism, 10 location, and second position-limit mechanism 10 is a limited block; F, PLC controller are according to the 5th sensor institute feedack, and control feeding cylinder 13 bounces back to original state, finishes a feeding process.
Therefore, the first sensor feedback is liftout cylinder limit position signal; Second sensor, the 3rd sensor, the stroke for the feedback feeding cylinder detects feeding cylinder respectively and is in extreme position, initial position signal; Four-sensor, the 5th sensor, for the stroke of feedback oscillating cylinder, the wobble detection cylinder is in extreme position, initial position signal respectively.
As shown in Figure 4, feeding mandrel 02 of the present invention comprises the mandrel body, fixedly connected 021 of being provided for being connected with swing arm 07 of an end of this mandrel body, and the other end then is provided for the resilient clamp portion 023 of clamping needle-valve body to be processed; Described fixedly connected 021 forms by offer screw thread in the periphery of mandrel body, and resilient clamp portion 023 is then by offering blind hole 024, offering at the hole wall of blind hole 024 that mutual equally distributed opening forms more than two along the axis of mandrel body.The blind end of blind hole 024 is the cambered surface setting.The central angle of described blind hole 024 blind end cambered surface is 360 degree.The end of described resilient clamp portion 023 and blind hole 024 openend homonymy is provided with guide part 022, and described guide part 022 is the cambered surface setting, and fillet is handled between the axis body of the cambered surface of guide part 022 and mandrel body.The overall diameter of resilient clamp portion 023 that is in the flexible state of nature is bigger 0.01 ~ 0.03 millimeter than the aperture of needle-valve body to be processed.
Therefore, each part function of feeding mandrel 02 is as follows: a, fixedly connected 021, be used for adjusting feeding mandrel 02 on feed mechanism the installation site and it is fixed; B, guide part 022 lead when being used for clamping workpiece; C, resilient clamp portion 023, diameter is bigger 0.01 ~ 0.03 millimeter than workpiece aperture; D, have the blind hole 024 of opening, form resilient clamp portion 023, come holding workpiece by the elasticity of mandrel.
Workpiece grip mechanism 16 of the present invention as shown in Figure 5, comprises that turning cylinder 161, telescopic cylinder 162, pull bar 163, collet 164, spring head 165, chuck tighten up shell 166, jump ring and lastics mandrel 167, wherein:
Described turning cylinder 161, be the interior axis body of establishing cavity, telescopic cylinder 162 is fixedly mounted on the inwall of turning cylinder 161 cavitys, and turning cylinder 161 cavitys and the corresponding guide through hole of offering of opposite side wall that telescopic cylinder 162 is oppositely arranged, and is used for collet 164 mobile guides;
Described chuck tightens up shell 166, comprises for the fixed part of fixedlying connected with turning cylinder 161 and is used for tightening up or the portion of tightening up of retracting spring chuck 164; Fixed part is fixedlyed connected with turning cylinder 161 by threaded fastener, and the inwall that tightens up portion arranges the taper working face of exerting pressure, and there is tapering in this taper working face of exerting pressure, can tighten up or retracting spring chuck 164; Guide through hole is opened in chuck and tightens up the adjacent turning cylinder 161 cavity walls of shell 166;
Described pull bar 163, one ends are connected with the output that shrinks cylinder, and the other end then is provided for the connector that is connected with collet 164;
Described collet 164, shown in Fig. 6 a, 6b, 6c, offer the chuck through hole along axis, chuck through hole one end is provided for the chuck fixed part 1642 that is connected with pull bar 163, chuck fixed part 1642 forms by offer screw thread at the inwall of chuck through hole, the other end arranges the chuck clamping part, and the chuck otch 1641 of chuck clamping part by evenly being opened in chuck through hole wall along chuck through-bore axis direction is forming, and the chuck clamping part arranges clamping working head 1643 near the end; Clamping working head 1643 peripheries arrange the taper pressurized and regulate working face corresponding to the set taper of the cavity inner wall working face of exerting pressure, and it is suitable that the taper pressurized is regulated working face, the taper working face of exerting pressure;
Described lastics mandrel 167, shown in Fig. 7 a, 7b, an end is smooth axis body, is used for supporting workpiece, the other end is provided with a mandrel slide block 1671 corresponding to each chuck otch 1641, and each mandrel slide block 1671 is slidingly connected with corresponding separately chuck otch 1641;
Described spring head 165, one ends contact with pull bar 163, and the other end then is connected with the movable end of lastics mandrel 167.
In addition, the described telescopic cylinder 162 of the application can also can be realized the driving mechanism that past complex line moves for other, such as linear electric motors, and screw body etc.
The operation principle of workpiece grip mechanism 16 of the present invention is:
Telescopic cylinder 162 is regulated the chucking power between clamping working head 1643 and the lastics mandrel 167 by moving back and forth collet 164, realizes piece-holder or release; Lastics mandrel 167 is realized the discharging of workpiece under the elastic force effect of spring head 165.
Among the application, oscillating cylinder can be other the common driving mechanism that can realize crankmotion; Liftout cylinder, feeding cylinder and telescopic cylinder can be other the common driving mechanism that can realize linear reciprocating motion.

Claims (10)

1. automatic feeding that is used for mill machined needles valve body mesopore, it is characterized in that: comprise frame and the rack-mounted hopper of difference, feed mechanism, workpiece grip mechanism, described feed mechanism comprises feeding mandrel, first linear reciprocation travel mechanism and the rotary drive mechanism, the output of the first linear reciprocation travel mechanism is connected with rotary drive mechanism, and the output of rotary drive mechanism and feeding mandrel are connected; Described feeding mandrel is united under the driving the first linear reciprocation travel mechanism, rotary drive mechanism, has first extreme position, second extreme position; When described feeding mandrel is in first extreme position, the working end of feeding mandrel is in feed entrance point, the working end of feeding this moment mandrel is connected mutually with the discharging opening of hopper, when described feeding mandrel is in second extreme position, the working end of feeding mandrel is in the discharging position, and the working end of feeding this moment mandrel is connected mutually with the charging aperture of workpiece grip mechanism.
2. according to the described automatic feeding for mill machined needles valve body mesopore of claim 1, it is characterized in that: the described first linear reciprocation travel mechanism comprises feeding cylinder; Described rotary drive mechanism comprises oscillating cylinder; The output of feeding cylinder is connected with oscillating cylinder by connecting base, and feeding cylinder is fixedly installed in frame, the output of oscillating cylinder then is connected by swing arm and feeding mandrel, first position-limit mechanism of described swing arm configuration location self first extreme position, locatees second limit mechanism of self second extreme position; The flexible direction of described frame upper edge feeding cylinder is laid rail plate, connects base and is installed on the rail plate.
3. according to the described automatic feeding for mill machined needles valve body mesopore of claim 1, it is characterized in that: described feeding mandrel comprises the mandrel body, one end of this mandrel body is provided with the fixedly connected portion that is connected for the rotary drive mechanism output, and the other end then is provided for the resilient clamp portion of clamping needle-valve body to be processed; Described fixedly connected forms by offer screw thread in the periphery of mandrel body, and resilient clamp portion is then by offering blind hole, offering at the hole wall of blind hole that mutual equally distributed opening forms more than two along the axis of mandrel body.
4. according to the described automatic feeding for mill machined needles valve body mesopore of claim 3, it is characterized in that: the end of described resilient clamp portion and blind hole openend homonymy is provided with guide part, described guide part is the cambered surface setting, and fillet is handled between the axis body of the cambered surface of guide part and mandrel body.
5. according to the described automatic feeding for mill machined needles valve body mesopore of claim 3, it is characterized in that: the overall diameter of resilient clamp portion that is in the flexible state of nature is bigger 0.01 ~ 0.03 millimeter than the aperture of needle-valve body to be processed.
6. according to claim 1 or 2 described automatic feedings for mill machined needles valve body mesopore, it is characterized in that: described workpiece grip mechanism comprises bearing, this bearing is offered cavity along axis, along axis clamp assemblies is installed in the cavity, this clamp assemblies comprises the second linear reciprocation travel mechanism, pull bar, collet and lastics mandrel, the second linear reciprocation travel mechanism is fixedly installed in bearing, and the second linear reciprocation travel mechanism output and pull bar, collet are linked in sequence; Described collet is offered the chuck through hole along axis, chuck through hole one end is provided for the chuck fixed part that is connected with pull bar, the other end arranges the chuck clamping part, the chuck otch of chuck clamping part by evenly being opened in chuck through hole wall along chuck through-bore axis direction is forming, and the chuck clamping part arranges the clamping working head near the end; Clamping working head periphery arranges the taper pressurized and regulates working face, and cavity inner wall is regulated working face corresponding to the taper pressurized taper working face of exerting pressure is set, and it is suitable that the taper pressurized is regulated working face, the taper working face of exerting pressure; Lastics mandrel one end is slidingly connected by chuck otch and clamping working head, and the other end then passes the movable placement of the chuck through hole corresponding with the clamping working head; Described chuck through hole is built-in with spring, and this spring one end contacts with pull bar, and the other end then is connected with the movable end of lastics mandrel; The second linear reciprocation travel mechanism regulates the chucking power between clamping working head and the lastics mandrel by moving back and forth collet, realizes piece-holder or release; The lastics mandrel is realized the discharging of workpiece under the elastic force effect of spring.
7. according to the described automatic feeding for mill machined needles valve body mesopore of claim 6, it is characterized in that: described chuck otch is at least 3, the end of described lastics mandrel is provided with a mandrel slide block corresponding to each chuck otch, and each mandrel slide block is slidingly connected with corresponding separately chuck otch.
8. according to the described automatic feeding for mill machined needles valve body mesopore of claim 7, it is characterized in that: establish the turning cylinder of cavity in described bearing comprises and the chuck of fixedlying connected with the turning cylinder cavity tightens up shell, chuck tightens up between shell and the turning cylinder cavity and is connected, and chuck tightens up the opposing uncovered setting in end of shell and turning cylinder cavity, and the chuck internal face that tightens up shell nestles up uncovered end the taper working face of exerting pressure is set; Back and forth linear moving apparatus is fixedly mounted on the inwall of turning cylinder cavity.
9. according to the described automatic feeding for mill machined needles valve body mesopore of claim 1, it is characterized in that: the liftout cylinder is installed in the discharging opening position of described hopper, and the output of this liftout cylinder is oppositely arranged with the feeding mandrel working end that is in feed entrance point.
10. an autocontrol method that is used for the described feed mechanism of claim 2 is characterized in that: the first sensor that comprises the PLC controller and be used for the success of feedback feeding mandrel material loading, be used for feedback and connect base is in himself first extreme position under feeding cylinder drives second sensor, be used for feedback and connect base is in himself second extreme position under feeding cylinder drives the 3rd sensor, be used for the feedback swing arm is in himself first extreme position under oscillating cylinder drives four-sensor, be used for the feedback swing arm is in himself second extreme position under oscillating cylinder drives the 5th sensor; The PLC controller is according to first sensor, second sensor, the 3rd sensor, four-sensor, the 5th sensor institute feedback information, finish the feeding of workpiece between hopper and workpiece grip mechanism, specifically may further comprise the steps: a, described PLC controller are according to first sensor institute feedack, start feeding cylinder, drive and connect the base translation, until the second sensor sensing scope, trigger second sensor; B, PLC controller are according to second sensor institute feedack in a step, start oscillating cylinder and drive the swing arm rotation, until the induction range of four-sensor, trigger four-sensor, feeding this moment mandrel arranges with collet is concentric, and swing arm is simultaneously located by first position-limit mechanism; C, PLC controller are according to four-sensor feedack in the b step, and control feeding cylinder retraction until the induction range of the 3rd sensor, triggers the 3rd sensor, and workpiece is passed to workpiece grip mechanism under the effect of feeding cylinder at this moment; D, PLC controller are according to the information of the 3rd sensor feedback in the c step, and the work of control workpiece grip mechanism is behind the clamping work pieces, start feeding cylinder again, drive the translation of connection base, until the second sensor sensing scope, trigger second sensor, this moment, workpiece broke away from the feeding mandrel; E, PLC controller are according to second sensor institute feedack in the d step, and the control oscillating cylinder drives the swing arm backswing, until the induction range of the 5th sensor, triggers the 5th sensor, and swing arm this moment is located by second position-limit mechanism; F, PLC controller are according to the 5th sensor institute feedack, and the control feeding cylinder bounces back to original state, finishes a feeding process.
CN201310172374.7A 2013-05-10 2013-05-10 Automatic feeding device used in process of grinding mesopores of needle valve bodies and control method thereof Active CN103273389B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273997A (en) * 2021-12-02 2022-04-05 杭州明宇液压技术有限公司 Automatic change valve block production and use processing equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665656A (en) * 1970-12-24 1972-05-30 Edward M Newsome Workpiece feed mechanism
KR20080103359A (en) * 2007-05-23 2008-11-27 서종배 Auto supplying device for grinding machine
KR20080103322A (en) * 2007-05-23 2008-11-27 서종배 Auto supplying device for grinding machine
CN201559094U (en) * 2009-12-03 2010-08-25 济南四机数控机床有限公司 Lift match-grinding forming grinding machine of self-detection high-precision oil injector
CN202507141U (en) * 2012-03-28 2012-10-31 常州博瑞油泵油嘴有限公司 Accurate feeding device for needle valve body
CN202846339U (en) * 2012-10-10 2013-04-03 台州赛诺克机械科技有限公司 Feeding device of full-automatic numerical control grinder
CN203317162U (en) * 2013-05-10 2013-12-04 南通星维油泵油嘴有限公司 Automatic feeding device for grinding hole in needle valve body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665656A (en) * 1970-12-24 1972-05-30 Edward M Newsome Workpiece feed mechanism
KR20080103359A (en) * 2007-05-23 2008-11-27 서종배 Auto supplying device for grinding machine
KR20080103322A (en) * 2007-05-23 2008-11-27 서종배 Auto supplying device for grinding machine
CN201559094U (en) * 2009-12-03 2010-08-25 济南四机数控机床有限公司 Lift match-grinding forming grinding machine of self-detection high-precision oil injector
CN202507141U (en) * 2012-03-28 2012-10-31 常州博瑞油泵油嘴有限公司 Accurate feeding device for needle valve body
CN202846339U (en) * 2012-10-10 2013-04-03 台州赛诺克机械科技有限公司 Feeding device of full-automatic numerical control grinder
CN203317162U (en) * 2013-05-10 2013-12-04 南通星维油泵油嘴有限公司 Automatic feeding device for grinding hole in needle valve body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273997A (en) * 2021-12-02 2022-04-05 杭州明宇液压技术有限公司 Automatic change valve block production and use processing equipment

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