CN215849296U - Magnetic template, electronic control permanent magnet quick die changing system and injection molding machine - Google Patents
Magnetic template, electronic control permanent magnet quick die changing system and injection molding machine Download PDFInfo
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- CN215849296U CN215849296U CN202121747743.7U CN202121747743U CN215849296U CN 215849296 U CN215849296 U CN 215849296U CN 202121747743 U CN202121747743 U CN 202121747743U CN 215849296 U CN215849296 U CN 215849296U
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Abstract
The utility model relates to a magnetic template, an electric control permanent magnet rapid die changing system and an injection molding machine, wherein the magnetic template comprises a magnetic substrate, a plurality of magnetic poles arranged on the magnetic substrate, a magnetic pole magnetizing current detection sensor used for detecting pulse current of magnetizing and demagnetizing, a plurality of magnetic flux sensors used for detecting magnetizing intensity, a distance detection sensor used for detecting the distance between a die and the magnetic template, a temperature sensor and a controller. According to the utility model, whether the surface of the mold is attached to the magnetic template or not is detected, so that the magnetizing and demagnetizing operations can be carried out under the condition that the mold is attached to the magnetic template; by detecting the magnetizing intensity and the magnetizing and demagnetizing pulse current, the magnetizing can be ensured to reach a safe value; by monitoring the temperature of the die in real time, the die falling caused by abnormal demagnetization can be avoided; the injection molding machine is controlled by interlocking the controller output signal and the injection molding machine mode switch signal, so that the injection molding machine can be ensured to run under the safe condition; can avoid the equipment damage and ensure the safe production.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a magnetic template, an electric control permanent magnet rapid die changing system and an injection molding machine.
Background
In the injection molding process of the injection molding machine, the mold needs to be frequently replaced, and the traditional mold replacement method adopts a mechanical mode for disassembly and assembly, so that a large amount of manpower and time need to be consumed, and the production efficiency is low.
In order to solve the problems, the electric control permanent magnet rapid die changing system for changing the die by using magnetic force is provided in the prior art, the die is magnetized and demagnetized by using a magnetic template, and the die is clamped and loosened by using the magnetic force, so that the problems that the die of the injection molding machine is time-consuming and labor-consuming in assembling and disassembling are solved, and the die changing efficiency can be greatly improved. At present, an electric control permanent magnet rapid die change system is increasingly applied to an injection molding machine and becomes a development trend in the future. However, in the process of closing the mold, if the magnetizing magnetic force of the mold cannot meet the requirement, the mold may move or even fall off, so that the mold is damaged or a safety accident is caused. Therefore, a magnetic force detection device is required to be arranged to detect the magnetizing condition so as to ensure the production safety. At present, the detection mode in the prior art only detects the magnetic field condition or the magnetic flux value of the space above the magnetic template, and other conditions which can cause insufficient magnetization or abnormal demagnetization of the mold cannot be comprehensively considered, so that certain potential safety hazards still exist in production.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to overcome the defects of the prior art and provide a magnetic template, an electric control permanent magnet rapid die changing system and an injection molding machine which can avoid insufficient magnetization, ensure that the magnetization reaches a safe value, simultaneously avoid the falling of a die caused by abnormal demagnetization, avoid equipment damage and ensure safe production.
The utility model adopts the following technical scheme:
the utility model provides a magnetic force template, including the magnetic substrate, set up a plurality of magnetic poles on the magnetic substrate, a magnetic pole magnetizing current detection sensor for being used for carrying out the pulse current to magnetizing and demagnetizing and detect, a plurality of magnetic flux sensors for detecting magnetizing intensity, a distance detection sensor for detecting the distance between mould and the magnetic force template, a temperature sensor and a controller for detecting mould backplate temperature, controller communication connection magnetic pole magnetizing current detection sensor, magnetic flux sensor, distance detection sensor and temperature detection sensor.
Further, still be provided with on the magnetic substrate and be used for carrying out a plurality of laminating detection sensor that detect whether laminating of mould and magnetic force template, a plurality of laminating detection sensor set up on the magnetic pole, laminating detection sensor communication connection controller.
Further, the distance detection sensor is a proximity sensor and is disposed on the magnetic substrate.
Further, the magnetic pole magnetizing current detection sensors are arranged on the magnetic poles, and each magnetic pole is provided with a magnetic pole magnetizing current detection sensor.
Further, the magnetic flux sensors are arranged on the magnetic poles, and the magnetic flux sensors are distributed at different magnetic pole positions on the magnetic substrate.
Further, the temperature detection is arranged on the magnetic substrate.
Furthermore, the magnetic template also comprises an alarm device, and the controller is connected with and controls the alarm device.
Furthermore, a positioning ring for positioning the mold is further arranged on the magnetic substrate.
The utility model provides an automatically controlled permanent magnetism quick die change system, is including automatically controlled permanent magnetism sucking disc, automatically controlled permanent magnetism sucking disc includes cover half side magnetic force template and movable mould side magnetic force template, and cover half side magnetic force template and movable mould side magnetic force template adopt foretell magnetic force template.
An injection molding machine comprises the electric control permanent magnet quick die change system and an injection molding machine mode switch used for controlling the injection molding machine to switch between injection molding and die change states, wherein a normally open contact used for controlling the injection molding machine to be allowed or stopped to automatically operate is arranged on a magnetic template, the normally open contact is simultaneously electrically connected with a controller signal output end and an injection molding machine mode switch signal, and a controller output signal and an injection molding machine mode switch signal are interlocked to control the output state of the normally open contact.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
firstly, a distance detection sensor and a joint detection sensor are arranged on a magnetic template, so that whether the surface of the mold is jointed with the surface of the magnetic template or not can be detected by the joint detection sensor in a mold changing state, and the magnetizing operation is ensured in the state that the mold is jointed with the magnetic template; accessible distance detection sensor real-time detection mould and the distance between the magnetic force template can guarantee to fill the demagnetization operation when certain extent apart from between mould and the magnetic force template, surpass the scope and carry out malfunction alerting to stop the automatic operation of injection molding machine, can avoid because mould and magnetic force template do not laminate and cause and fill the magnetism not enough.
Secondly, a magnetic pole magnetizing current detection sensor and a magnetic flux sensor are arranged on the magnetic template, so that the magnetizing intensity can be detected in real time through the magnetic flux sensor in the magnetizing process; when the magnetizing and demagnetizing actions are carried out, the magnetizing current detection sensor can be used for detecting the pulse current of the magnetizing and demagnetizing in real time, and the magnetizing is guaranteed to reach a safe value.
Thirdly, through setting up temperature detection sensor on magnetic force template, can carry out real-time supervision to mould backplate temperature, when the temperature surpassed the temperature of settlement, automatic alarm signal sent, the injection molding machine stops automatic operation, avoids leading to the mould to drop because the unusual demagnetization of high temperature, can guarantee safety in production, reduces the potential safety hazard.
Fourthly, a normally open contact used for controlling the permission or stop of the automatic operation of the injection molding machine is arranged on the magnetic template, and the output state of the normally open contact is controlled by the interlocking of the controller output signal and the injection molding machine mode switch signal, so that the condition that the injection molding machine is allowed to automatically operate under the injection molding mode when all detection signals are normal can be ensured, and the automatic operation of the injection molding machine is stopped when a fault signal is detected or the mold changing mode is adopted, thereby better ensuring the safe production.
In a word, the utility model can avoid the equipment damage, prolong the service life of the equipment and better ensure the safe production. Meanwhile, the magnetic template is suitable for equipment needing quick die change, such as die casting machines, punching machines and the like besides the injection molding machine, and is wide in application range.
Drawings
FIG. 1 is a schematic front view of a fixed mold side magnetic template in embodiment 1 of the present invention;
FIG. 2 is a schematic side view of the magnetic template on the fixed mold side in embodiment 1 of the present invention;
FIG. 3 is a schematic front view showing the structure of the movable die-side magnetic die plate according to embodiment 1 of the present invention;
FIG. 4 is a schematic side view showing the magnetic shoe on the movable die side in accordance with embodiment 1 of the present invention;
fig. 5 is an electrical schematic block diagram of a magnetic template of embodiment 1 of the present invention.
In the figure: 1. the magnetic pole magnetizing device comprises a magnetic substrate, 2 magnetic poles, 3 magnetic pole magnetizing current detection sensors, 4 magnetic flux sensors, 5 distance detection sensors, 6 temperature detection sensors, 7 attachment detection sensors, 8 controllers, 9 alarm devices and 10 positioning rings.
Detailed Description
The utility model is further described below by means of specific embodiments.
Example 1
Referring to fig. 1 to 5, the magnetic template of the present invention includes a magnetic substrate 1, a plurality of magnetic poles 2 disposed on the magnetic substrate 1, a magnetic pole magnetizing current detection sensor 3 for detecting a pulse current of magnetizing and demagnetizing, a magnetic flux sensor 4 for detecting magnetizing intensity, a distance detection sensor 5 for detecting a distance between a mold and the magnetic template, a temperature sensor 6 for detecting a temperature of a mold back plate, a plurality of attachment detection sensors 7 for detecting whether the mold and the magnetic template are attached, a controller 8, and an alarm device 9. The controller 8 is in communication connection with the magnetic pole magnetizing current detection sensor 3, the magnetic flux sensor 4, the distance detection sensor 5, the temperature detection sensor 6 and the attachment detection sensor 7, and is connected with the control alarm device 9.
The magnetic substrate 1 of the magnetic template adopts high-performance magnetic materials of aluminum, iron, boron and aluminum, nickel and cobalt. The magnetic pole 2 is square. The magnetic pole magnetizing current detection sensor 3 adopts a Hall sensor and is arranged in the center of the magnetic pole 2, and a magnetic pole magnetizing current detection sensor 3 is arranged on each magnetic pole 2. The magnetic flux sensors 4 are provided on the magnetic poles 2, and the plurality of magnetic flux sensors 4 are distributed at different area positions on the magnetic substrate 1. The distance detection sensor 5 is a proximity sensor and is provided on the magnetic substrate 1. The attachment detection sensors 7 are proximity sensors, and the attachment detection sensors 7 are arranged on the magnetic poles 2 and distributed in different areas of the magnetic substrate 1. The temperature detection sensor 6 is provided on the magnetic substrate 1. A positioning ring 10 for positioning the mold is also provided on the magnetic substrate 1.
The utility model provides a quick retooling system of automatically controlled permanent magnetism, is including automatically controlled permanent magnetism sucking disc, and automatically controlled permanent magnetism sucking disc includes cover half side magnetic force template and movable mould side magnetic force template, and cover half side magnetic force template and movable mould side magnetic force template adopt foretell magnetic force template, and the holding ring 10 of cover half side magnetic force template cooperatees with the cover half of mould, and the holding ring 10 of movable mould magnetic force template cooperatees with the movable mould of mould.
An injection molding machine comprises the electric control permanent magnet quick die change system, a die and an injection molding machine mode switch for controlling the injection molding machine to switch between injection molding and die change states. And a normally open contact used for controlling the automatic operation of the injection molding machine to be allowed or stopped is arranged on the magnetic template, the normally open contact is simultaneously electrically connected with a signal output end of the controller 8 and a mode switch signal of the injection molding machine, and the output signal of the controller 8 and the mode switch signal of the injection molding machine control the output state of the normally open contact in an interlocking manner.
Referring to fig. 1 to 5, the magnetic template of the present embodiment is applied to an injection molding machine, and the working principle is as follows: the injection molding machine is under the retooling state, whether laminating through laminating detection sensor 7 detection mould and magnetic force template face, and whether real-time supervision moves, cover half simultaneously under injection molding machine high pressure mode locking state, only press close to completely when mould and magnetic force template to when moving, cover half under injection molding machine high pressure mode locking state, controller 8 could carry out the operation of magnetizing. The distance between the die and the magnetic template is detected in real time through a distance detection sensor 5, and the controller 8 can carry out magnetizing and demagnetizing operations only when the distance between the die and the magnetic template is less than 0.3 m; in the production process of the injection molding machine, when the distance between the mold and the magnetic template exceeds 0.3mm, the controller 8 gives a fault alarm through the alarm device 9 and stops the automatic operation of the injection molding machine. In the process of magnetizing, the magnetizing intensity is detected in real time through the magnetic flux sensor 4, and the controller 8 reports a magnetizing completion signal only when the magnetizing intensity reaches a safety value, or reports a fault signal. When the magnetic template performs the action of magnetization and demagnetization, the magnetizing current detection sensor 3 detects the pulse current of the magnetization and demagnetization in real time, and only after the required value is reached, a successful signal of the magnetization and demagnetization is reported. Carry out real-time supervision to mould backplate temperature through temperature detect sensor 6, because the high temperature can cause the demagnetization to lead to magnetic force template face suction to descend, consequently when the temperature of magnetic force template face exceeded the temperature of setting for, controller 8 can send alarm signal automatically, and the injection molding machine stops automatic operation. And meanwhile, the magnetic template completes the magnetizing of the movable mold and the fixed mold only when all detection signals are normal, and the normally open contact is closed when the mode switch of the injection molding machine is in an injection molding state, so that the automatic operation of the injection molding machine is allowed. When any one magnetic template detects a fault signal or the injection molding machine mode switch is in a mold changing state, the normally open contact is immediately disconnected, and the automatic operation of the injection molding machine is synchronously stopped, so that the safety is ensured.
Example 2
This example differs from example 1 in that: the magnetic pole 2 is circular. The magnetic template is not provided with a joint detection sensor 7.
The above description is only two specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. A magnetic template is characterized in that: the magnetic pole magnetizing current detection device comprises a magnetic substrate, a plurality of magnetic poles arranged on the magnetic substrate, a magnetic pole magnetizing current detection sensor used for detecting pulse current of magnetizing and demagnetizing, a plurality of magnetic flux sensors used for detecting magnetizing intensity, a distance detection sensor used for detecting the distance between a mould and a magnetic template, a temperature sensor and a controller used for detecting the temperature of a mould back plate, wherein the controller is in communication connection with the magnetic pole magnetizing current detection sensor, the magnetic flux sensors, the distance detection sensor and the temperature detection sensor.
2. A magnetic template as claimed in claim 1, wherein: the magnetic substrate is also provided with a plurality of laminating detection sensors used for detecting whether the mold and the magnetic template are laminated or not, the laminating detection sensors are arranged on the magnetic pole and are in communication connection with the controller.
3. A magnetic template as claimed in claim 1, wherein: the distance detection sensor is a proximity sensor and is arranged on the magnetic substrate.
4. A magnetic template as claimed in claim 1, wherein: the magnetic pole magnetizing current detection sensors are arranged on the magnetic poles, and each magnetic pole is provided with a magnetic pole magnetizing current detection sensor.
5. A magnetic template as claimed in claim 1, wherein: the magnetic flux sensors are arranged on the magnetic poles, and the magnetic flux sensors are distributed at different magnetic pole positions on the magnetic substrate.
6. A magnetic template as claimed in claim 1, wherein: the temperature detection is arranged on the magnetic substrate.
7. A magnetic template according to any one of claims 1 to 6, wherein: the device also comprises an alarm device, and the controller is connected with and controls the alarm device.
8. A magnetic template according to any one of claims 1 to 6, wherein: and the magnetic substrate is also provided with a positioning ring for positioning the die.
9. The utility model provides an automatically controlled permanent magnetism quick die change system which characterized in that: the electric control permanent magnetic chuck comprises a fixed die side magnetic force template and a movable die side magnetic force template, wherein the fixed die side magnetic force template and the movable die side magnetic force template adopt the magnetic force templates as claimed in any one of claims 1 to 8.
10. An injection molding machine, characterized in that: the electric control permanent magnet rapid die change system comprises the electric control permanent magnet rapid die change system according to claim 9 and an injection molding machine mode switch for controlling the injection molding machine to switch between an injection molding state and a die change state, wherein a normally open contact for controlling the permission or stop of the automatic operation of the injection molding machine is arranged on the magnetic template, the normally open contact is simultaneously and electrically connected with a controller signal output end and an injection molding machine mode switch signal, and the controller output signal and the injection molding machine mode switch signal are interlocked to control the output state of the normally open contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121747743.7U CN215849296U (en) | 2021-07-29 | 2021-07-29 | Magnetic template, electronic control permanent magnet quick die changing system and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121747743.7U CN215849296U (en) | 2021-07-29 | 2021-07-29 | Magnetic template, electronic control permanent magnet quick die changing system and injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849296U true CN215849296U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121747743.7U Active CN215849296U (en) | 2021-07-29 | 2021-07-29 | Magnetic template, electronic control permanent magnet quick die changing system and injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849296U (en) |
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2021
- 2021-07-29 CN CN202121747743.7U patent/CN215849296U/en active Active
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