CN115302843B - Grating control device for powder forming machine production and control method thereof - Google Patents
Grating control device for powder forming machine production and control method thereof Download PDFInfo
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- CN115302843B CN115302843B CN202210937382.5A CN202210937382A CN115302843B CN 115302843 B CN115302843 B CN 115302843B CN 202210937382 A CN202210937382 A CN 202210937382A CN 115302843 B CN115302843 B CN 115302843B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a grating control device and a control method for powder forming machine production, in particular to the technical field of electric control of powder forming machines, and the grating control device comprises a display screen, a display lamp, a control switch, an output motor, a servo motor and a cylinder, wherein the display screen, the display lamp and the control switch are arranged on the right side of the front surface of the powder forming machine, the output motor and the servo motor are movably connected and are arranged in the interior of the left side of the front surface of the powder forming machine close to the bottom end, the cylinder is movably connected and arranged on the upper part of the left side of the front surface of the powder forming machine, and the lower surface of the cylinder of the powder forming machine is fixedly connected with a bracket; compared with the traditional powder forming machine production control device, the invention adopts a grating control method, realizes the symmetrical installation of the infrared grating outside the die, controls surrounding foreign matters to extend into the die through the grating, and has the function of intelligently and automatically stopping running immediately once the foreign matters exceed the grating position.
Description
Technical Field
The invention relates to the technical field of electric control of powder forming machines, in particular to a grating control device for powder forming machine production and a control method thereof.
Background
Along with the continuous progress of industrial production equipment and electrical control technology, the powder forming machine is combining mechanical mould, electrical connection, instrument detection and motor drive's physical equipment, and the staff is through the operating procedure of regulation and control product drive on the display screen of powder forming machine, specifically can regulate and control the operating time, the operating pressure of working and the thickness of shaping product of powder forming machine, utilizes control switch to carry out suitable control to the demand of powder compression moulding, to the powder forming machine, has the characteristics that the precision is high, the product shaping is effectual.
At present, in the production process of a powder forming machine, plasticized molten powder is pushed into a die cavity of a die by the thrust of a cylinder, and a forming process is obtained after solidification and shaping, so that in the use process of the powder forming machine controlled by a current worker, the powder particles are not only required to be screened for impurities and unqualified hard impurity particles, but also the problems of raw material loss and die service life loss occur when the powder forming machine operates and works are solved; and when the powder forming machine is produced, workers are easy to cause the problems of artificial machine faults and industrial injury safety accidents of the powder forming machine under the condition of impure technology or distraction.
Therefore, when the grating sensor is installed on the powder forming machine and the grating is used for opening and closing the die, the normal production can be prevented from being disturbed by the outside, the phenomenon that foreign matters infiltrate into the die during the production is necessary, and along with the mature development of the automation technology, the automatic and accurate control of the grating control device for the production of the powder forming machine is also necessary.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present invention provides a control method of a grating control device for powder molding machine production, in which an editable logic operation automatic control module is added to a system for installing a grating sensor and the grating control device for powder molding machine production, so as to solve the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a grating controlling means is used in powder make-up machine production, including display screen, display lamp, control switch, output motor, servo motor, cylinder, wherein display screen, display lamp and control switch are installed on the positive right side of powder make-up machine, output motor and servo motor are swing joint, all install the inside that is close to the bottom in the positive left side of powder make-up machine, the cylinder is swing joint and installs the positive left upper portion at the powder make-up machine, the lower fixed surface of the cylinder of powder make-up machine connects the support, the inboard swing joint at the support is positive has two grating inductors.
In a preferred embodiment, the grating sensor includes a light source conductor, the back surface is fixedly connected with a light receiving element, the light receiving element is provided with a light passing hole, and a grating pair is fixedly connected in the light passing hole.
In a preferred embodiment, the automatic detection device comprises a grating sensor control module, a relay self-detection module, a household alternating current power supply access module, an A/D converter transmission signal module, an editable logic operation automatic control module and a powder forming machine operation module, wherein the grating sensor control module is used for accurately detecting the state of the powder forming machine in operation by utilizing an infrared scanning detection technology, receiving photoelectric analog signals through a transceiver, and transmitting signals through a power circuit supported by the household alternating current power supply access module, wherein the transmission signals are used for transmitting abnormal signals for detecting a monitoring area of the powder forming machine to the relay self-detection module and the A/D converter transmission module; the relay self-checking module is used for an automatic detection control circuit, particularly an automatic switch which uses weak current to control strong current operation, and the relay self-checking module and the household alternating current power supply access module are in cooperative control function, and have the characteristics of protecting the safety of a system circuit and a conversion circuit; the household alternating current power supply access module is used for providing power for other modules in the system, transmitting signals received from the grating sensor control module and the relay self-checking module to the A/D converter transmission signal module, and supporting the transmission of analog electric signals and digital signals; the A/D converter transmission signal module is used for converting an analog electric signal transmitted in the system into a corresponding digital signal and transmitting the converted digital signal to the editable logic operation automatic control module; the automatic control module of the editable logic operation is a powder forming machine operation module which receives the digital signal transmitted by the signal transmission module of the A/D converter, utilizes the editable storage controller to internally store instructions for executing logic operation, time sequence control, timing, calculation and arithmetic operation operations and is used for editing instructions for stopping the operation of a motor, and controls a command powder forming machine device system through the input and output of the digital signal and the analog signal; the operation module of the powder forming machine receives the command of the automatic control module capable of editing logic operation and controls the output motor and the servo motor in the powder forming machine to stop operation through circuit wire connection.
In a preferred embodiment, the grating sensor control module is composed of a grating sensor and a circuit, wherein the grating sensor is a sensor for measuring displacement by adopting a grating stacking grating line principle and is used for monitoring the raw material type and staff accident in the working operation of the powder forming machine, and the grating sensor control module has the characteristics of high sensitivity, high resolution, strong anti-interference capability and dynamic measurement and strain sensing, and the circuit is a conductive loop composed of a metal conductor and an electric and electronic element and can transmit current and analog electric signals; the relay self-checking module is installed in a circuit wire by a relay, wherein the relay is used for an automatic control circuit in a powder forming machine, can automatically adjust the circuit and isolate the function of a control switch, can reflect the induction effect of current, voltage, power, impedance, temperature and pressure input in the circuit, and controls the output of the circuit by automatically selecting the connection and disconnection of the circuit.
In a preferred embodiment, the household alternating current power supply access module refers to that the powder forming machine directly accesses household alternating current, and voltage does not need to be regulated and controlled through a transformer; the A/D converter transmission signal module is composed of electronic elements of the A/D converter, such as converting the voltage signal input in the circuit into an output digital signal, for converting the analog signal with continuous time and continuous amplitude into the digital signal with discrete time and discrete amplitude, the specific conversion process is to sample and compare the input analog signal with the standard digital signal according to the specified time interval, then to make the digital signal gradually converge, and when the two signals are equal, to output the binary digital signal representing the analog signal.
In a preferred embodiment, the automatic control module for logic operation capable of being edited is composed of an editable memory and an editable controller, wherein the editable memory is used for memorizing and reading data for storing editing signals, logic operation instructions for stopping outputting the motor and the servo motor are recorded in the editable memory after being edited in advance, the editable controller is an editing program operated by digital operation and is used for controlling the instructions for reading the editable memory, and the signal input/output interface is used for transmitting the signal instruction to command the circuit to be interrupted and connected so as to control the production process of the powder forming machine; the operation module of the powder forming machine consists of an I/O interface, an output motor, a servo motor and a circuit, wherein the circuit is used for driving the powder forming machine to operate normally after being connected with a power supply, and the I/O interface is a data signal input/output port.
In a preferred embodiment, the raster control comprises in particular the following steps:
s, firstly, symmetrically installing infrared grating sensor devices outside a die of a powder forming machine, pouring powder from the grating sensor after domestic alternating current is connected, and running a motor in the die;
s, when the die works, once foreign matters mixed in the powder pass through the grating sensor, the grating sensor control module can capture abnormal analog electric signals by utilizing infrared rays, and the signals are transmitted to the A/D converter transmission signal module through the power supply supporting electric wires;
s, the A/D converter transmission signal module converts the analog electric signal into a digital signal, and then transmits the digital signal to the editable logic operation automatic control module, and the operation module of the powder forming machine is controlled by using the editable logic operation;
and S, finally, the operation module of the powder forming machine is controlled to receive a control instruction of the editable logic operation automatic control module, and the servo motor and the output motor are commanded to execute stop operation.
In a preferred embodiment, the automatic control is to read, analyze and edit the received digital signal by an automatic control module with programmable logic operation, and automatically control the current, voltage, power and speed and direction parameters of the running of the motor in the circuit of the powder forming machine, so that the parameters are not influenced by external interference and deviate from the normal running state.
The invention has the technical effects and advantages that:
compared with the traditional production control device of the powder forming machine, the invention adopts a grating control method, realizes the symmetrical installation of the infrared grating outside the mould, controls surrounding foreign matters to extend into the mould through the grating, achieves the function of intelligent automatic immediate stopping operation of equipment once the foreign matters exceed the grating position, achieves the high precision of the grating control of the mould, avoids potential safety hazard, improves the production efficiency and reduces the cost.
Drawings
FIG. 1 is a block diagram of a raster control apparatus for powder forming machine production of the present invention.
Fig. 2 is a diagram of a grating sensor according to the present invention.
Fig. 3 is a system diagram of a grating control device for powder molding machine production according to the present invention.
Fig. 4 is a flowchart of a control method of the grating control device for powder molding machine production according to the present invention.
1. A display screen; 2. a display lamp; 3. a control switch; 4. an output motor; 5. a servo motor; 6. a cylinder; 7. a grating sensor; 701. a light-transmitting hole; 702. a light source conductor; 703. a light receiving element; 704. and (5) grating pairs.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a grating control device for powder forming machine production as shown in fig. 1, which comprises a display screen 1, a display lamp 2, a control switch 3, an output motor 4, a servo motor 5 and a cylinder 6, wherein the display screen 1, the display lamp 2 and the control switch 3 are arranged on the right side of the front face of the powder forming machine, the output motor 4 and the servo motor 5 are movably connected and are all arranged in the left side of the front face of the powder forming machine, close to the inside of the bottom end, and the cylinder 6 is movably connected and arranged on the upper part of the left side of the front face of the powder forming machine, and is characterized in that: the lower surface of the cylinder 6 of the powder forming machine is fixedly connected with a bracket, and the inner side of the front of the bracket is movably connected with two grating sensors 7.
The difference between the implementation and the prior art is that two grating sensors 7 are installed on the powder forming machine, the grating sensors 7 have the function of accurately measuring foreign matters, the whole process is not possessed by the prior art, wherein the grating control device for producing the powder forming machine specifically needs to use the grating sensors and the editable logic operation automatic controller to control the powder forming machine in a high-precision state, and the specific algorithm or program process is not limited in the embodiment.
As shown in fig. 2, in this embodiment, the grating sensor 7 specifically includes a light source conductor 702, a light receiving element 703 is fixedly connected to the back surface of the light source conductor 702, the light receiving element 703 is provided with a light through hole 701, and a grating pair 704 is fixedly connected to the inside of the light through hole 701; the light-passing hole 701 is a passage between the light emitter and the light receiver; the light source conductor 702 is a light emitting semiconductor for use in combination with a photoelectric element for the purpose of improving conversion efficiency and response speed; the light receiving element 703 is used for sensing the moire fringe movement generated when the main grating moves, so as to measure displacement; the grating pair 704 is composed of a main grating and an indicating grating with equal grating distance.
In this embodiment, as shown in fig. 3, a system of the grating control device for powder molding machine production is specifically described, including a grating sensor control module, a relay self-checking module, a household ac power supply access module, an a/D converter transmission signal module, an editable logic operation automatic control module, and a powder molding machine operation module, where the grating sensor control module uses an infrared scanning detection technology to accurately detect a state of the powder molding machine when in operation, receives a photoelectric analog signal through a transceiver, and transmits a signal via a power circuit supported by the household ac power supply access module, and is used for transmitting an abnormal signal for detecting a monitoring area of the powder molding machine to the relay self-checking module and the a/D converter transmission module; the relay self-checking module is used for an automatic detection control circuit, particularly an automatic switch which uses weak current to control strong current operation, and the relay self-checking module and the household alternating current power supply access module are in cooperative control function, and have the characteristics of protecting the safety of a system circuit and a conversion circuit; the household alternating current power supply access module is used for providing power for other modules in the system, transmitting signals received from the grating sensor control module and the relay self-checking module to the A/D converter transmission signal module, and supporting the transmission of analog electric signals and digital signals; the A/D converter transmission signal module is used for converting an analog electric signal transmitted in the system into a corresponding digital signal and transmitting the converted digital signal to the editable logic operation automatic control module; the automatic control module of the editable logic operation is a powder forming machine operation module which receives the digital signal transmitted by the signal transmission module of the A/D converter, utilizes the editable storage controller to internally store instructions for executing logic operation, time sequence control, timing, calculation and arithmetic operation operations and is used for editing instructions for stopping the operation of a motor, and controls a command powder forming machine device system through the input and output of the digital signal and the analog signal; the operation module of the powder forming machine receives the command of the automatic control module capable of editing logic operation and controls the output motor 4 and the servo motor 5 in the powder forming machine to stop operation through circuit wire connection.
As shown in fig. 3, the specific illustration is that the control module of the grating sensor is composed of a grating sensor and a circuit, wherein the grating sensor is a sensor for measuring displacement by adopting a grating stacking grating principle and is used for monitoring the raw material type and the accident of staff in the working operation of the powder forming machine, and the control module has the characteristics of high sensitivity, high resolution, strong anti-interference capability and dynamic measurement and strain sensing, and the circuit is a conductive loop composed of a metal conductor and an electric and electronic element and can transmit current and analog electric signals; the relay self-checking module is installed in a circuit wire by a relay, wherein the relay is used for an automatic control circuit in a powder forming machine, can automatically adjust the circuit and isolate the function of a control switch, can reflect the induction effect of current, voltage, power, impedance, temperature and pressure input in the circuit, and controls the output of the circuit by automatically selecting the connection and disconnection of the circuit.
In the embodiment shown in fig. 3, the specific explanation is that the domestic ac power supply access module refers to that the powder forming machine directly accesses domestic ac power, and voltage does not need to be regulated and controlled by a transformer; the A/D converter transmission signal module is composed of electronic elements of the A/D converter, such as converting the voltage signal input in the circuit into an output digital signal, for converting the analog signal with continuous time and continuous amplitude into the digital signal with discrete time and discrete amplitude, the specific conversion process is to sample and compare the input analog signal with the standard digital signal according to the specified time interval, then to make the digital signal gradually converge, and when the two signals are equal, to output the binary digital signal representing the analog signal.
As shown in fig. 3, the embodiment specifically illustrates that the automatic control module for logic operation capable of being edited is composed of an editable memory and an editable controller, wherein the editable memory is used for memorizing and reading data for storing editing signals, logic operation instructions for stopping the output motor 4 and the servo motor 5 are recorded in the editable memory after being edited in advance, the editable controller is an editing program operated by digital operation and is used for controlling the instructions for reading the editable memory, and a signal input/output interface is used for transmitting signal instructions to command the circuit to be interrupted and connected so as to control the production process of the powder forming machine; the operation module of the powder forming machine consists of an I/O interface, an output motor 4, a servo motor 5 and a circuit, wherein the circuit is used for driving the powder forming machine to perform normal operation after being connected with a power supply, and the I/O interface is a data signal input/output port.
As shown in fig. 4, the embodiment provides a control method of a grating control device for powder molding machine production, and the grating control specifically includes the following steps:
101. firstly, symmetrically installing infrared grating sensor devices outside a die of a powder forming machine, pouring powder from the grating sensor after domestic alternating current is connected, and running a motor in the die;
in this embodiment, the infrared grating sensor is the core of the grating sensor control module, and the working principle of the infrared grating sensor is that when the transmitter transmits infrared light to the receiver, once the obstacle blocks the light transmitted by the transmitter, the receiver transmits an abnormal analog electric signal, and the abnormal analog electric signal is transmitted to the editable logic operation automatic control module through the grating sensor;
102. when the die works, once foreign matters mixed in the powder pass through the grating sensor, the grating sensor control module can capture abnormal analog electric signals by utilizing infrared rays, and the signals are transmitted to the A/D converter transmission signal module through the power support wire;
in this embodiment, it is specifically described that the a/D converter is divided into a parallel comparison type and a feedback comparison type, where the parallel comparison type has the characteristics of fast conversion speed and complex circuit structure, the feedback comparison type has the characteristics of slow conversion speed and simple circuit structure, and the feedback comparison type includes a count type, a successive approximation type and a double integral type;
103. then the A/D converter transmission signal module converts the analog electric signal into a digital signal, and then transmits the digital signal to the editable logic operation automatic control module, and the operation module of the powder forming machine is controlled by using the editable logic operation;
in this embodiment, it is specifically described that the automatic control module for logic operation capable of being edited controls the operation module of the powder forming machine in real time by means of an instruction of an editing code, and the specific editing code can be adopted
104. And finally, the operation module of the powder forming machine is controlled to receive the control instruction of the editable logic operation automatic control module, and commands the servo motor and the output motor to execute stop operation.
In the embodiment shown in fig. 4, the automatic control is to automatically control the current, voltage, power and motor running speed and direction parameters of the circuit in the powder forming machine by reading, analyzing and editing the received digital signal by the programmable logic operation automatic control module, so that the parameters are not influenced by external interference and deviate from the normal running state, thereby realizing automatic adjustment.
In addition, it should be added that the editable memory in this embodiment is specifically PLC and RAM, the household ac power in this embodiment is specifically 220v,50hz, and the a/D converter in this embodiment selects the counter type in the feedback comparison type.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a grating controlling means is used in powder forming machine production, including display screen (1), display lamp (2), control switch (3), output motor (4), servo motor (5), cylinder (6), wherein display screen (1), display lamp (2) and control switch (3) are installed on the positive right side of powder forming machine, output motor (4) and servo motor (5) are swing joint, all install the inside near the bottom in the positive left side of powder forming machine, cylinder (6) are swing joint and install the upper portion in the positive left side of powder forming machine, its characterized in that: the lower surface of a cylinder (6) of the powder forming machine is fixedly connected with a bracket, two grating sensors (7) are movably connected to the inner side of the front of the bracket, each grating sensor (7) comprises a light source conductor (702), a light receiving element (703) is fixedly connected to the back of each light source conductor (702), a light passing hole (701) is formed in each light receiving element (703), a grating pair (704) is fixedly connected to the inner side of each light passing hole (701),
the grating sensor control module is used for accurately detecting the state of the powder forming machine in working by utilizing an infrared scanning detection technology and is used for transmitting an abnormal signal for detecting a monitoring area of the powder forming machine to the relay self-detection module and the A/D converter transmission module; the relay self-checking module is used for an automatic detection control circuit, in particular to an automatic switch which uses weak current to control strong current to operate, and the relay self-checking module and the household alternating current power supply access module are in cooperative control function; the household alternating current power supply access module is used for providing power for other modules in the system and transmitting signals received from the grating sensor control module and the relay self-checking module to the A/D converter transmission signal module; the A/D converter transmission signal module is used for converting an analog electric signal transmitted in the system into a corresponding digital signal and transmitting the converted digital signal to the editable logic operation automatic control module; the editable logic operation automatic control module is a powder forming machine operation module which receives the digital signal transmitted by the A/D converter transmission signal module and is used for editing an instruction for stopping the operation of the motor, and commands the powder forming machine device system to operate through the input and output of the digital signal and the analog signal; the operation module of the powder forming machine receives instructions of an editable logic operation automatic control module, an output motor (4) and a servo motor (5) in the powder forming machine device are controlled to stop operation through circuit wire connection, the grating sensor control module consists of a grating sensor and a circuit, wherein the grating sensor is a sensor for measuring displacement by adopting a grating stacking grating principle and is used for monitoring raw material types and staff emergency accidents in the working operation of the powder forming machine, and the circuit is a conductive loop consisting of a metal conductor and an electric and electronic element and can transmit current and analog electric signals; the relay self-checking module is installed in a circuit wire by a relay, wherein the relay is used for an automatic control circuit in a powder forming machine and can automatically adjust the circuit and isolate the function of a control switch.
2. The grating control device for powder molding machine production according to claim 1, wherein: the household alternating current power supply access module is used for directly accessing household alternating current to the powder forming machine, and voltage does not need to be regulated and controlled through a transformer; the A/D converter transmission signal module is composed of electronic elements of the A/D converter, and is used for converting voltage signals input in the circuit into output digital signals and converting analog signals with continuous time and continuous amplitude into digital signals with discrete time and discrete amplitude.
3. The grating control device for powder molding machine production according to claim 1, wherein: the automatic control module for the editable logic operation consists of an editable memory and an editable controller, wherein the editable memory is used for memorizing and reading data for storing editing signals; the operation module of the powder forming machine consists of an I/O interface, an output motor (4), a servo motor (5) and a circuit, wherein the circuit is used for driving the powder forming machine to perform normal operation after being connected with a power supply.
4. A control method of a grating control device for powder molding machine production according to any one of claims 1 to 3, characterized by: the grating control specifically comprises the following steps:
s1, firstly, symmetrically installing infrared grating sensor devices outside a die of a powder forming machine, pouring powder from the grating sensor after domestic alternating current is connected, and running a motor in the die;
s2, when the die works, once foreign matters mixed in the powder pass through the grating sensor, the grating sensor control module can capture abnormal analog electric signals by utilizing infrared rays, and the signals are transmitted to the A/D converter transmission signal module through the power supply supporting electric wires;
s3, the A/D converter transmission signal module converts the analog electric signal into a digital signal, and then transmits the digital signal to the editable logic operation automatic control module, and the operation module of the powder forming machine is controlled by using the editable logic operation;
and S4, finally, the operation module of the powder forming machine is controlled to receive a control instruction of the editable logic operation automatic control module, and the servo motor and the output motor are commanded to execute stop operation.
5. The control method of a grating control device for powder molding machine production according to claim 4, characterized in that: the automatic control is to read, analyze and edit the received digital signal by an automatic control module capable of editing logic operation, and automatically control the current, voltage and power of a circuit in the powder forming machine and the running speed and direction parameters of a motor, so that the parameters are not influenced by external interference and deviate from a normal running state.
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| CN105937880A (en) * | 2016-07-04 | 2016-09-14 | 武汉卓海青晨科技有限公司 | Optical grating infinitesimal displacement detection device |
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| CN213436971U (en) * | 2020-10-15 | 2021-06-15 | 广州伸兴自动化设备有限公司 | Riveting equipment on automobile production line |
| CN213648841U (en) * | 2020-07-31 | 2021-07-09 | 宜兴市非凡陶瓷制品有限公司 | Full-automatic powder forming machine |
| CN214239727U (en) * | 2020-12-31 | 2021-09-21 | 东莞市一辉油压机械有限公司 | Rapid Assembly powder forming oil press |
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2022
- 2022-08-05 CN CN202210937382.5A patent/CN115302843B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937880A (en) * | 2016-07-04 | 2016-09-14 | 武汉卓海青晨科技有限公司 | Optical grating infinitesimal displacement detection device |
| CN208324257U (en) * | 2018-04-03 | 2019-01-04 | 东莞市德迈智能科技有限公司 | A kind of automatic hot weld riveter |
| CN213648841U (en) * | 2020-07-31 | 2021-07-09 | 宜兴市非凡陶瓷制品有限公司 | Full-automatic powder forming machine |
| CN213436971U (en) * | 2020-10-15 | 2021-06-15 | 广州伸兴自动化设备有限公司 | Riveting equipment on automobile production line |
| CN214239727U (en) * | 2020-12-31 | 2021-09-21 | 东莞市一辉油压机械有限公司 | Rapid Assembly powder forming oil press |
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