CN109551813B - Feeding control device and feeding control method thereof - Google Patents
Feeding control device and feeding control method thereof Download PDFInfo
- Publication number
- CN109551813B CN109551813B CN201811367300.8A CN201811367300A CN109551813B CN 109551813 B CN109551813 B CN 109551813B CN 201811367300 A CN201811367300 A CN 201811367300A CN 109551813 B CN109551813 B CN 109551813B
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- feeding control
- main shaft
- controller
- encoder
- servo motor
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 107
- 230000033001 locomotion Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000012840 feeding operation Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/004—Filling molds with powder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Forging (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to a feeding control device and a feeding control method thereof, wherein the feeding control device comprises a workbench provided with a material boot, the material boot is connected with a driving mechanism through a push rod, the driving mechanism is connected with a controller, the controller is connected with a main shaft through a motor, a first encoder is matched with the end part of the main shaft, and the first encoder is connected with the controller. In the invention, after setting a plurality of corresponding working angles of the main shaft and working positions of the material boots and constructing a motion curve of the material boots, a worker starts the whole machine, the material boots and the main shaft cooperate to finish feeding operation, the working state of the main shaft is recorded in real time through the first encoder, the positions of the material boots are monitored, and feeding is finished once or a plurality of times in a reciprocating way. The mechanical structure part of the invention ensures the positioning precision of the material boot, and simultaneously, the controller is matched with the motor to ensure accurate and stable control, the whole transmission is operated at fixed points through a motion curve, the transmission among mechanisms is simple, the parts are processed less, and the operability is strong.
Description
Technical Field
The present invention relates to a feeding, positioning or storing device connected to or arranged in or specially adapted for the relative processing or handling of metal sheets, metal tubes or metal-type materials; the technical field of connection between the feeding control device and the cutting device, in particular to a feeding control device and a feeding control method thereof.
Background
The mechanical press is a forging machine driven by a crank connecting rod or a toggle rod mechanism, a cam mechanism and a screw mechanism, is used for a machine tool for carrying out pressure processing on materials, is used for processing parts by applying strong pressure to a blank to deform and fracture, has stable work, high working precision, good operating condition and high production rate, is easy to realize mechanization and automation, is suitable for working on an automatic line, and is widely applied to industrial mechanical presses of automobiles, ships and the like.
The press with the feeding function is mainly applied to the field of powder forming, and the press is retracted after the powder is fed to the fixed point position through the material shoe, and is pressed down, so that the pressing work is completed.
In the prior art, the mechanical press has various defects of complex transmission of a cam feeding mechanism, more parts, poor adjustability in operation and use and the like, and can finish work, but complicated maintenance work is needed, and meanwhile, the machining efficiency is limited, so that the mechanical press is not beneficial to the progress of the industry.
Disclosure of Invention
The invention solves the problems of complex transmission, more parts, poor adjustability in operation and use and the like of a cam feeding mechanism of a mechanical press in the prior art, and provides an optimized feeding control device and a feeding control method thereof.
The technical scheme includes that the feeding control device comprises a workbench, a material shoe is arranged on the workbench, the material shoe is connected to a driving mechanism through a push rod, the driving mechanism is connected to a controller, the controller is connected to a main shaft through a motor, a first encoder is arranged at the end part of the main shaft in a matched mode, and the first encoder is connected with the controller.
Preferably, the driving mechanism comprises a servo motor, an output shaft of the servo motor is matched with one end of the screw rod, a nut is sleeved outside the screw rod, and the bottom of the nut is connected to the push rod.
Preferably, synchronous pulleys are respectively sleeved outside the output shaft of the servo motor and the corresponding end parts of the screw rod, and 2 synchronous pulleys are sleeved with synchronous belts in an matched mode.
Preferably, the servo motor is cooperatively provided with a second encoder, and the second encoder is connected to the controller.
Preferably, the feeding control device further comprises a plurality of position sensors matched with the material shoe, and the position sensors are connected to the controller.
A feeding control method using the feeding control device, the method comprising the steps of:
step 1: setting a plurality of corresponding working angles of the main shaft and working positions of the material boots, and constructing a material boot motion curve; updating all working positions to the controller; starting a feeding control device;
step 2: the position sensor confirms that the material boot is positioned at the original point position, the next step is carried out, and if the material boot is not positioned at the original point, the step 5 is carried out;
step 3: the controller controls the cam and the servo motor which are matched with the main shaft to work, the first encoder acquires the angle value of the main shaft in real time, and the second encoder acquires the position of the material taking boot in real time through the servo motor; if the angle value returned by the first encoder and the position of the material boot returned by the second encoder deviate from the motion curve or the position sensor alarms through control, the step 5 is carried out, otherwise, the step 3 is continued;
step 4: the controller controls the motor and the servo motor to stop working, the material shoe returns to the retreating position, one-time feeding is completed, and the step 2 is returned; if the material boot is not returned to the retreating position, performing the step 5;
step 5: and (5) stopping.
Preferably, in the step 1, if there are 2 or more point position data of the same angle in the motion curve, or the coordinate data set in the motion curve is smaller than 2, or the running speed of the servo motor between any adjacent 2 coordinate points in the motion curve is greater than the rated rotation speed, or the motion stroke of the material boot in the motion curve is greater than the maximum stroke of the material boot, an error is indicated.
Preferably, in the step 1, after a new motion curve is formed, the whole machine is operated in a inching mode for at least one period.
Preferably, in the step 3, after the material shoe moves to the designated position, the spindle stops moving, the servo motor rapidly reciprocates and shakes, and the material shoe completes shaking; and after the shaking of the material shoe is finished, the main shaft continues to move, and the material shoe continues to move along with the main shaft.
Preferably, in the step 3, if the controller detects that the position of the stock boot exceeds the forward limit point or the backward limit point through the position sensor, an alarm is given, and the step 5 is performed.
The invention provides an optimized feeding control device and a feeding control method thereof, wherein a driving mechanism and a motor are controlled by a controller, the driving mechanism and the motor act on a material shoe and a main shaft respectively according to the indication of the controller, after setting a plurality of corresponding main shaft working angles, working positions of the material shoe and building a motion curve of the material shoe, a worker starts the whole machine, the material shoe and the main shaft cooperate to complete feeding operation, the working state of the main shaft is recorded in real time by a first encoder, the position of the material shoe is monitored, and one or more times of feeding is completed in a reciprocating manner. The mechanical structure part of the invention ensures the positioning precision of the material boot, and simultaneously, the controller is matched with the motor to ensure accurate and stable control, the whole transmission is operated at fixed points through a motion curve, the transmission among mechanisms is simple, the parts are processed less, and the operability is strong.
Drawings
FIG. 1 is a schematic top view of a feed shoe and drive mechanism in a feed control device of the present invention;
FIG. 2 is a schematic cross-sectional view of the cooperation of the shoe and the drive mechanism in the feed control device of the present invention;
FIG. 3 is a schematic front view of the main shaft of the feeding control device according to the present invention;
fig. 4 is a motion curve of the present invention, wherein the abscissa is the angle of the main shaft, the ordinate is the position of the material shoe, the point on the motion curve is the working position, and the position of the material shoe simulating shaking after the servo motor rapidly reciprocates is shown in the inner part of 2 dotted lines.
Detailed Description
The invention is described in further detail below with reference to examples and figures, but the scope of the invention is not limited thereto.
The invention relates to a feeding control device, which comprises a workbench 1, wherein a material shoe 2 is arranged on the workbench 1, the material shoe 2 is connected to a driving mechanism through a push rod 3, the driving mechanism is connected to a controller, the controller is connected to a main shaft 5 through a motor 4, a first encoder 6 is arranged at the end part of the main shaft 5 in a matched mode, and the first encoder 6 is connected with the controller.
In the present invention, the feed control device is an integral part of the press and cooperates with other parts of the press, such as the punch.
In the invention, the controller controls the driving mechanism and the motor 4, the driving mechanism and the motor 4 act on the material shoe 2 and the main shaft 5 respectively according to the indication of the controller, after setting a plurality of corresponding working angles of the main shaft 5 and working positions of the material shoe 2 and constructing a motion curve of the material shoe 2, a worker starts the whole machine, and the material shoe 2 and the main shaft 5 cooperate to finish feeding operation.
In the invention, in the working process of the main shaft 5, the first encoder 6 records the working state of the main shaft 5 in real time, namely, the real-time angle value, so that the position of the material shoe 2 can be controlled according to the angle of the main shaft 5, and the data recorded by the first encoder 6 is transmitted back to the controller in real time.
In the invention, the material boot 2 moves along with the main shaft 5 of the press, and hardware switches or indicator lamps such as manual/automatic, manual forward, manual backward, automatic start, automatic operation indication and the like can be arranged on an actual control panel for manual or automatic switching and manual adjustment.
In the invention, when the system detects that the position of the servo motor 7 or the material boot 2 is abnormal, the whole machine immediately gives an alarm and stops, all related interlocking is realized by software, the monitoring of the position of the material boot 2 in the whole feeding process is finished, and the feeding is finished repeatedly for one time or a plurality of times.
In the invention, a display screen can be configured for the feeding control device, the current overall state of the device is displayed in real time, and when the device is abnormal, the alarm code of the driving mechanism or the controller is displayed in real time, so that the reason of the abnormality can be conveniently found.
In the invention, the mechanical structure part ensures the positioning precision of the material shoe 2, and the controller is matched with the motor 4, so that the control is accurate and stable, the whole transmission is operated at fixed points through a motion curve, and the transmission among mechanisms is simple, the part processing is less and the operability is strong.
The driving mechanism comprises a servo motor 7, an output shaft of the servo motor 7 is matched with one end of a screw rod 8, a nut 9 is sleeved outside the screw rod 8, and the bottom of the nut 9 is connected to the push rod 3.
Synchronous pulleys 10 are respectively sleeved outside the output shaft of the servo motor 7 and the corresponding end parts of the screw rod 8, and synchronous belts 11 are sleeved outside the 2 synchronous pulleys 10 in a matched mode.
The servo motor 7 is cooperatively provided with a second encoder 12, and the second encoder 12 is connected to the controller.
The feeding control device further comprises a plurality of position sensors 13 which are matched with the material boots 2, and the position sensors 13 are connected to the controller.
In the invention, the driving force of the material shoe 2 is driven by the servo motor 7, the servo motor 7 and the screw rod 8 work cooperatively, and the nut 9 outside the screw rod 8 is used for pushing the push rod 3, so that the material shoe 2 is driven to move.
In the present invention, the servomotor 7 and the screw 8 are operated cooperatively by the timing belt 11 and the timing pulley 10.
In the invention, the servo motor 7 adopts Mitsubishi J4 series servo motor 7, and is matched with an LD77MS motion control module and an L02CPU, so that a person skilled in the art can select and configure hardware such as a controller according to requirements.
In the invention, the servo motor 7 is provided with the second encoder 12, and the second encoder 12 feeds back to the controller by detecting the output of the servo motor 7, so that the controller can calculate and monitor the position of the material shoe 2, and the normal operation of the whole device is ensured.
In the invention, the device adopts semi-closed loop control because of higher cost of the full closed loop, and the precision can completely meet the control requirement; in addition, since the feed control device is a semi-closed loop control, a position sensor 13 is also provided, and the real-time position of the shoe 2 is calculated by the second encoder 12, but the position sensor 12 is required to further monitor the position of the shoe 2, so that mechanical interference caused by breakage of the coupling of the servo motor 7, loosening of each connecting screw, and the like is prevented.
In the invention, the position sensors 13 may be multiple, and are respectively used for detecting the forward limit, the backward limit and the original position of the action of the material shoe 2, wherein the forward limit is used for detecting that the material shoe 2 is always kept in a normal travel range in the forward process, the blanking position is inaccurate or potential safety hazards are generated due to falling out, the backward limit is used for detecting whether the material shoe 2 is backward in place in a certain angle range of the main shaft 5, mechanical interference is prevented from being generated due to the fact that the material shoe 2 does not backward due to the breakage of a coupling of the servo motor 7 and the like, and the original position is used for detecting that the material shoe 2 is at a safe position point at the starting and stopping moment, so that the position point shown by a motion curve can be smoothly implemented.
In the invention, a position sensor 13 for detecting whether the die carrier can be safely replaced at present can be arranged, and the material shoe 2 is retracted to the end at the moment, so that the die carrier can be conveniently replaced.
In the invention, the state of the position sensor 13 can be displayed in real time, and the overhaul and the confirmation are convenient.
The invention also relates to a feeding control method adopting the feeding control device, and the method comprises the following steps.
Step 1: setting a plurality of corresponding working angles of the main shaft 5 and working positions of the material boot 2, and constructing a motion curve of the material boot 2; updating all working positions to the controller; and starting the feeding control device.
In the step 1, if there are 2 or more point position data of the same angle in the motion curve, or the coordinate data set in the motion curve is less than 2, or the running speed of the servo motor 7 between any adjacent 2 coordinate points in the motion curve is greater than the rated rotation speed, or the motion stroke of the material shoe 2 in the motion curve is greater than the maximum stroke of the material shoe 2, an error is indicated.
In the step 1, after a new motion curve is formed, the whole machine is operated for at least one period in a inching mode.
In the invention, the realization of the motion curve is realized by controlling the cam by the controller, the cam acts on the main shaft 5 to finish the operation, and the position of the material shoe 2 is calculated by feedback of the second encoder 12 at the side of the servo motor 7.
In the invention, firstly, the synchronous motion curve of the material shoe 2 along with the press is determined by setting the angle of the main shaft 5 of the press and the advanced position of the material shoe 2, for example, 20 groups of data can be set in an open mode, namely, the angle of the material shoe 2 relative to the main shaft 5 can be freely set for 20 electronic cam coordinates, which can completely meet various motion curves of the material shoe 2 when various products are pressed, and thoroughly solve the problems that the mechanical cam motion curve is not adjustable or the adjustment amount is small.
In the invention, in order to prevent the material shoe 2 from interfering with the upper punch of the press in the movement process, a detection sensor should be installed on the frame of the material shoe 2, and the material shoe 2 must be withdrawn to a designated position after the upper punch descends to a certain position.
Step 2: the position sensor 13 confirms that the shoe 2 is located at the origin position, and proceeds to step 5 if the shoe 2 is not located at the origin.
In the invention, the original point regression operation must be carried out on the mechanism when the power is on, otherwise, the mechanism cannot operate.
In the invention, the origin is set by the technician himself, typically the initial position.
Step 3: the controller controls the cam matched with the main shaft 5 and the servo motor 7 to work, the first encoder 6 acquires the angle value of the main shaft 5 in real time, and the second encoder 12 acquires the position of the material taking boot 2 in real time through the servo motor 7; if the angle value returned by the first encoder 6 and the position of the stock boot 2 returned by the second encoder 12 deviate from the motion curve, or the position sensor 13 alarms through the controller, the step 5 is carried out, otherwise, the step 3 is continued.
In the step 3, when the material shoe 2 moves to a designated position, the spindle 5 stops moving, the servo motor 7 rapidly reciprocates and shakes, and the material shoe 2 completes shaking; after the shaking of the material shoe 2 is finished, the main shaft 5 continues to move, and the material shoe 2 continues to move along with the main shaft 5.
In the step 3, if the controller detects that the position of the stock boot 2 exceeds the forward limit point or the backward limit point through the position sensor 13, an alarm is given, and the step 5 is performed.
According to the invention, the shaking function of the material shoe 2 can enable powder in the material shoe 2 to fully flow into the cavity, the problem of insufficient feeding of a mechanical press is overcome, a main shaft clutch is generally separated at the position of a set shaking main shaft 5 angle to enable the main shaft 5 to be suspended, a servo motor 7 reciprocates, at the moment, the reciprocating distance of the servo motor 7 is short and high in speed, the main shaft clutch is closed after the action is finished, and the material shoe 2 continues to move along the main shaft 5.
Step 4: the controller controls the motor 4 and the servo motor 7 to stop working, the material boot 2 returns to the retreating position, one-time feeding is completed, and the step 2 is returned; if the material boot is not returned to the retreating position, the step 5 is performed.
Step 5: and (5) stopping.
In the invention, in order to prevent unnecessary mechanical damage caused by that the material shoe 2 does not retreat to a safe position when the punch undershoots, after the controller controls the motor 4 and the servo motor 7 to stop working, whether the material shoe 2 is in a retreating position or not needs to be judged, namely, the retreating limit is reached, the punch can undershoot when the material shoe 2 retreats to the retreating limit, meanwhile, the material shoe 2 continues to retreat to an original point for next feeding preparation, if the material shoe 2 does not retreat to the retreating limit, the operation of the punch is stopped immediately, and the safety of the whole machine is ensured.
According to the invention, the driving mechanism and the motor 4 are controlled by the controller, the driving mechanism and the motor 4 act on the material shoe 2 and the main shaft 5 respectively according to the indication of the controller, after a plurality of corresponding working angles of the main shaft 5, working positions of the material shoe 2 and motion curves of the material shoe 2 are set, a worker starts the whole machine, the material shoe 2 and the main shaft 5 cooperate to complete feeding operation, the working state of the main shaft 5 is recorded in real time by the first encoder 6, the position of the material shoe 2 is monitored, and one or more times of feeding is completed in a reciprocating manner. The mechanical structure part of the invention ensures the positioning precision of the material shoe 2, and simultaneously, the controller is matched with the motor 4 to ensure accurate and stable control, the whole transmission is operated at fixed points through a motion curve, and the transmission among mechanisms is simple, the parts are less in processing and the operability is strong.
Claims (5)
1. The utility model provides a feeding control method adopting feeding control device, feeding control device includes the workstation, be equipped with the material boots on the workstation, the material boots is connected to actuating mechanism, its characterized in that through the push rod: the driving mechanism is connected to the controller, the controller is connected to the main shaft through a motor, a first encoder is arranged at the end part of the main shaft in a matched mode, and the first encoder is connected with the controller; the driving mechanism comprises a servo motor, an output shaft of the servo motor is matched with one end of a screw rod, a nut is sleeved outside the screw rod, and the bottom of the nut is connected to the push rod;
synchronous pulleys are respectively sleeved outside the output shaft of the servo motor and the corresponding end parts of the screw rod, and synchronous belts are sleeved outside the 2 synchronous pulleys in a matched manner; the servo motor is provided with a second encoder in a matched mode, and the second encoder is connected to the controller;
the feeding control device further comprises a plurality of position sensors which are matched with the material boots, and the position sensors are connected to the controller;
the method comprises the following steps:
step 1: setting a plurality of corresponding working angles of the main shaft and working positions of the material boots, and constructing a material boot motion curve; updating all working positions to the controller; starting a feeding control device;
step 2: the position sensor confirms that the material boot is positioned at the original point position, the next step is carried out, and if the material boot is not positioned at the original point, the step 5 is carried out;
step 3: the controller controls the cam and the servo motor which are matched with the main shaft to work, the first encoder acquires the angle value of the main shaft in real time, and the second encoder acquires the position of the material taking boot in real time through the servo motor; if the angle value returned by the first encoder and the position of the material boot returned by the second encoder deviate from the motion curve or the position sensor alarms through control, the step 5 is carried out, otherwise, the step 3 is continued;
step 4: the controller controls the motor and the servo motor to stop working, the material shoe returns to the retreating position, one-time feeding is completed, and the step 2 is returned; if the material boot is not returned to the retreating position, performing the step 5;
step 5: and (5) stopping.
2. The feeding control method of the feeding control device according to claim 1, wherein: in the step 1, if there are 2 or more point position data of the same angle in the motion curve, or the coordinate data set in the motion curve is less than 2, or the running speed of the servo motor between any adjacent 2 coordinate points in the motion curve is greater than the rated rotation speed, or the motion stroke of the material boot in the motion curve is greater than the maximum stroke of the material boot, an error is prompted.
3. The feeding control method of the feeding control device according to claim 1, wherein: in the step 1, after a new motion curve is formed, the whole machine is operated for at least one period in a inching mode.
4. The feeding control method of the feeding control device according to claim 1, wherein: in the step 3, when the material shoe moves to a designated position, the spindle stops moving, the servo motor rapidly reciprocates and shakes, and the material shoe completes shaking; and after the shaking of the material shoe is finished, the main shaft continues to move, and the material shoe continues to move along with the main shaft.
5. The feeding control method of the feeding control device according to claim 1, wherein: in the step 3, if the controller detects that the position of the material boot exceeds the forward limit point or the backward limit point through the position sensor, an alarm is given, and the step 5 is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367300.8A CN109551813B (en) | 2018-11-16 | 2018-11-16 | Feeding control device and feeding control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367300.8A CN109551813B (en) | 2018-11-16 | 2018-11-16 | Feeding control device and feeding control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109551813A CN109551813A (en) | 2019-04-02 |
| CN109551813B true CN109551813B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811367300.8A Active CN109551813B (en) | 2018-11-16 | 2018-11-16 | Feeding control device and feeding control method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111006502B (en) * | 2019-10-30 | 2021-11-02 | 柳州酸王泵制造股份有限公司 | Photoelectric switch automatic control device for muffle furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0655298A (en) * | 1992-07-23 | 1994-03-01 | Sanken Seiki Kogyo Kk | Powder molding device |
| CN102126307A (en) * | 2010-11-24 | 2011-07-20 | 南京东部精密机械有限公司 | Servo feeding device for full-automatic dry powder press |
| CN102922876A (en) * | 2012-11-13 | 2013-02-13 | 宁波汽车软轴软管有限公司 | Gold stamping machine |
| CN106113569A (en) * | 2016-08-18 | 2016-11-16 | 桂林电子科技大学 | A kind of quantitative drawing-in device of rare-earth magnetic compacting automatic production line |
| CN107283913A (en) * | 2017-07-22 | 2017-10-24 | 泰安市泰山九鼎称重系统设备有限公司 | Mould Integral producing apparatus and its method of work are weighed and thrown to quantitative powder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209409432U (en) * | 2018-11-16 | 2019-09-20 | 天通吉成机器技术有限公司 | A kind of feed-control device |
-
2018
- 2018-11-16 CN CN201811367300.8A patent/CN109551813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0655298A (en) * | 1992-07-23 | 1994-03-01 | Sanken Seiki Kogyo Kk | Powder molding device |
| CN102126307A (en) * | 2010-11-24 | 2011-07-20 | 南京东部精密机械有限公司 | Servo feeding device for full-automatic dry powder press |
| CN102922876A (en) * | 2012-11-13 | 2013-02-13 | 宁波汽车软轴软管有限公司 | Gold stamping machine |
| CN106113569A (en) * | 2016-08-18 | 2016-11-16 | 桂林电子科技大学 | A kind of quantitative drawing-in device of rare-earth magnetic compacting automatic production line |
| CN107283913A (en) * | 2017-07-22 | 2017-10-24 | 泰安市泰山九鼎称重系统设备有限公司 | Mould Integral producing apparatus and its method of work are weighed and thrown to quantitative powder |
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| CN109551813A (en) | 2019-04-02 |
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