CN213227300U - Vacuum feeding machine - Google Patents
Vacuum feeding machine Download PDFInfo
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- CN213227300U CN213227300U CN202021871545.7U CN202021871545U CN213227300U CN 213227300 U CN213227300 U CN 213227300U CN 202021871545 U CN202021871545 U CN 202021871545U CN 213227300 U CN213227300 U CN 213227300U
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- control valve
- vacuum
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Abstract
A vacuum feeder is suitable for being installed on an injection molding machine and comprises a feeding device, a feeding device and a vacuumizing device. The feeding device comprises a feeding seat and two feeding modules. Each feeding module can be switched between a feeding state and a feeding state, when one feeding module is controlled to be switched to the feeding state, one feeding module is not communicated with the feeding device but communicated with the feeding seat, the other feeding module is controlled to be switched to the feeding state, and the other feeding module is not communicated with the feeding seat but communicated with the feeding device, so that the purpose of uninterrupted feeding is achieved. In addition, the vacuum-pumping device can pump out water vapor and waste gas generated during injection heating of the plastic, so that the injection-molded finished product can achieve the dehumidification effect without additional heating.
Description
Technical Field
The utility model relates to a plastics processing machine especially relates to a vacuum feed machine for plastics injection molding machine.
Background
The existing plastic injection apparatus includes an injection molding machine defining an injection space capable of accommodating and heating a plastic base material, and a vacuum feeder for feeding the plastic base material to the injection molding machine. The vacuum feeder comprises a feeding device connected with the injection molding machine, a feeding device arranged on the feeding device in a switching way, and a vacuumizing device connected with the feeding device and the feeding device. The feeding device defines a feeding space communicated with the ejection space and can convey the plastic parent metal to the ejection space. The feeding device defines a feeding space for accommodating the plastic parent metal and can convey the plastic parent metal to the feeding space. The vacuumizing device is used for exhausting gas in the feeding device and the feeding device so as to exhaust water vapor in the plastic base material contained in the feeding space and the feeding space, and the water vapor is supplied to the injection molding machine for subsequent use.
However, when the vacuum pumping device performs pumping operation, the vacuum feeder cannot perform feeding operation synchronously, and needs to perform the pumping operation after the feeding operation is completed, otherwise, the vacuum feeder cannot reach a high vacuum state, so the conventional vacuum feeder has room for improvement.
Disclosure of Invention
An object of the utility model is to provide a can overcome the vacuum feed machine of at least one shortcoming of background art.
The utility model discloses a vacuum feed machine is applicable to and installs on ejection of compact make-up machine, ejection of compact make-up machine defines out the space that jets out that can hold and heat plastics base metal, vacuum feed machine contains: the injection molding machine comprises a feeding device, a feeding device and a vacuumizing device, wherein the feeding device is connected with the injection molding machine and defines a feeding space, the feeding device is arranged on the feeding device, and the vacuumizing device is connected with the feeding device and the feeding device.
The feeding device comprises a feeding seat for inputting the plastic parent metal and two feeding modules which are communicated between the feeding seat and the feeding device in a switching mode, each feeding module defines a storage space for receiving and storing the plastic parent metal from the feeding seat, and the vacuumizing device can be used for pumping out the gas in the feeding space and the storage space.
Each feeding module can be controlled to switch between a material supplementing state and a material supplying state, when one feeding module is controlled to switch to the material supplementing state, the other feeding module is controlled to switch to the material supplying state, the feeding module which is controlled to switch to the material supplementing state is not communicated with the material supplying device but is communicated with the material supplying seat so as to receive the plastic parent metal, the feeding module which is controlled to switch to the material supplying state is not communicated with the material supplying seat but is communicated with the material supplying device, and the stored plastic parent metal can be input into the material supplying device.
The vacuum feeding machine of the utility model, each feeding module has a storage tank defining the storage space, a feeding control valve which can be controlled to open or close and is arranged below the feeding seat, a feeding vacuum switch which can be controlled to open or close and is arranged between the storage tank and the feeding control valve, a feeding control valve which can be controlled to open or close and is arranged below the storage tank, and a feeding vacuum switch which can be controlled to open or close and is arranged between the feeding control valve and the feeding device, the feeding control valve of the feeding module which is controlled to switch to the feeding state is controlled to open and communicate with the feeding seat, and the feeding vacuum switch is controlled to open and communicate with the feeding control valve and the storage tank, the feeding control valve is controlled to close and not communicate with the storage tank, the feeding vacuum switch is controlled to close and not communicate with the feeding control valve and the feeding device, the feeding control valve of the feeding module which is controlled to be switched to the feeding state is controlled to be closed and is not communicated with the feeding seat, the feeding vacuum switch is controlled to be closed and is not communicated with the feeding control valve and the storage tank, the feeding control valve is controlled to be opened and is communicated with the storage tank, and the feeding vacuum switch is controlled to be opened and is communicated with the feeding control valve and the feeding device.
The utility model discloses a vacuum feed machine, feed arrangement still include three set up respectively in the hold up tank reaches feed arrangement's material level detector, material level detector is used for the sensing respectively the hold up tank reaches among the feed arrangement plastics parent metal reserves.
The utility model discloses a vacuum feed machine still contains three and connects separately evacuating device connects respectively the storage space the evacuation filter equipment in feed space, evacuation filter equipment be used for filtering certainly the storage space the gas that the feed space was taken out.
The beneficial effects of the utility model reside in that: each feeding module can be switched between the material supplementing state and the material supplying state, so that the feeding device can continuously supply the plastic base material to the injection molding machine, uninterrupted material supply is achieved, and meanwhile, the uninterrupted high vacuum state during material supply is kept, and the effect of pumping out moisture and waste gas generated during injection heating of the plastic base material is achieved.
Drawings
Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a fragmentary front cross-sectional view of an embodiment of a vacuum feeder of the present invention as installed in an injection molding machine illustrating the modular interrelationship of a feeder device, a feed device, and three vacuum filter devices of the embodiment;
FIG. 2 is a left side view illustrating the connection of a vacuum-pumping device of the embodiment with the feeding device, and the vacuum-pumping filter device;
FIG. 3 is a view similar to FIG. 1, illustrating a feed module on the right side of the embodiment in a feed state and the feed module on the left side in a feed state; and
FIG. 4 is a view similar to FIG. 1, illustrating the embodiment with the feed module on the right in the feed state and the feed module on the left in the feed state.
Detailed Description
Referring to fig. 1 and 2, an embodiment of the vacuum feeder of the present invention is adapted to be installed in an injection molding machine 5, wherein the injection molding machine 5 defines an injection space 51 capable of accommodating and heating a plastic base material (not shown). The vacuum feeder of this embodiment comprises a feeding device 1, a feeding device 2, a vacuum pumping device 3, and three vacuum pumping filter devices 4.
The bottom of the feeding device 1 is connected to the top of the injection molding machine 5 and defines a feeding space 11 communicating with the injection space 51. Feed arrangement 2 set up in 1 top of feed arrangement to include an interval set up in feed seat 21, two of 1 top of feed arrangement control the interval set up and communicate the group to connect openably and closably feed seat 21 with feed module 22 between feed arrangement 1, and three set up respectively in feed module 22 and feed arrangement 1's material level detector 24. The feeding base 21 is square and is used for storing the plastic base material.
Each feeding module 22 has a storage tank 221 defining a storage space 226, a feeding control valve 222 disposed below the feeding seat 21, a feeding vacuum switch 223 disposed between the storage tank 221 and the feeding control valve 222, a feeding passage 227 communicating the feeding control valve 222 with the feeding vacuum switch 223, a feeding control valve 224 disposed below the storage tank 221, a feeding vacuum switch 225 disposed between the feeding control valve 224 and the feeding device 1, and a feeding passage 228 communicating the feeding control valve 224 with the feeding vacuum switch 225. The storage tank 221 is used to store the plastic base material. The feed control valve 222 can be controlled to open to communicate the feed seat 21 with the feed vacuum switch 223. The feeding vacuum switch 223 has a movable feeding vacuum sealing piston 229 and a feeding channel 230 connecting the feeding channel 227 and the storage tank 221, and the feeding vacuum switch 223 can be controlled to open to connect the feeding control valve 222, the feeding channel 227 and the storage tank 221. The feed control valve 224 can be controlled to open to communicate the storage tank 221 with the feed vacuum switch 225. The supply vacuum switch 225 has a movable supply vacuum closing piston 231 and a supply passage 232 communicating the supply flow passage 228 with the supply space 11, and the supply vacuum switch 225 can be controlled to open to communicate the supply control valve 224, the supply flow passage 228 with the supply space 11. In the present embodiment, the feeding vacuum switch 223 and the feeding vacuum switch 225 are exemplified by a movable piston mechanism, but the present invention is not limited thereto, as long as the storage tank 221 and the feeding space 11 can be controlled to be opened or closed.
The material level detector 24 is respectively disposed in the storage tank 221 and the feeding device 1, and is configured to respectively detect the filling amount of the plastic parent material in the storage tank 221 and the feeding device 1. Since the detection principle of the level detector 24 is conventional, the description thereof is omitted.
The vacuum-pumping device 3 is connected to the storage space 226 and the feeding space 11 through a plurality of vacuum-pumping connection pipes 31 and a vacuum-pumping switching valve 32. The evacuation device 3 is used to evacuate the gas in the storage space 226 and the supply space 11. Since the evacuation technique and the structure of the evacuation device 3 are conventional techniques, the description thereof will be omitted.
Two of the vacuum pumping filter devices 4 are arranged on the left side of the vacuum pumping device 3 side by side, and the other two are arranged below the other two and arranged on the left side of the vacuum pumping device 3. The vacuum filter device 4 is used for filtering the gas pumped out from the storage space 226 and the supply space 11 by the vacuum pumping device 3. Since the filtration technique and the structure of the vacuum filtration apparatus 4 are related art, the description thereof will be omitted.
Referring to fig. 3, in use, each feeding module 22 can be controlled to switch between a feeding state and a feeding state, and when one feeding module 22 is controlled to switch to the feeding state, the other feeding module 22 is controlled to switch to the feeding state. In FIG. 3, the feeding module 22 on the right side is in the feeding state, and the feeding module 22 on the left side is in the feeding state.
When the feeding module 22 on the right side is controlled to switch to the feeding state, the feeding control valve 222 and the feeding vacuum switch 223 are controlled to be opened, so that the feeding seat 21 is communicated with the storage tank 221, and the feeding control valve 224 and the feeding vacuum switch 225 are controlled to be closed, so that the storage tank 221 is not communicated with the feeding space 11. That is, the feeding control valve 222 of the feeding module 22 controlled to switch to the feeding state is controlled to be opened to communicate with the feeding seat 21, the feeding vacuum switch 223 is controlled to be opened to communicate the feeding control valve 222 with the storage tank 221, the feeding control valve 224 is controlled to be closed to not communicate with the storage tank 221, and the feeding vacuum switch 225 is controlled to be closed to not communicate the feeding control valve 224 with the feeding device 1. At this time, the plastic base material can be transferred from the feeding base 21 to the storage space 226, when the corresponding level detector 24 detects that the plastic base material in the storage space 226 reaches a certain height, the feeding control valve 222 is controlled to be closed to block the communication between the feeding base 21 and the feeding vacuum switch 223, when all the plastic base material in the feeding vacuum switch 223 enters the storage tank 221, the feeding vacuum switch 223 is controlled to be closed to close the storage tank 221, and the vacuum pumping device 3 is controlled to be activated to perform a vacuum pumping operation on the storage tank 221 and wait for feeding.
Meanwhile, the vacuum extractor 3 is controlled to be started to continuously vacuumize the feeding space 11, and the feeding module 22 on the left side is also controlled to be started by the vacuum extractor 3 to vacuumize the storage tank 221, at this time, the feeding module 22 is synchronously controlled to be switched to the feeding state, the feeding control valve 222 and the feeding vacuum switch 223 are controlled to be closed, so that the feeding seat 21 is not communicated with the storage tank 221, and the feeding control valve 224 and the feeding vacuum switch 225 are controlled to be opened, so that the storage tank 221 is communicated with the feeding space 11. That is, the feeding control valve 222 of the feeding module 22 controlled to switch to the feeding state is controlled to be closed without connecting the feeding seat 21, the feeding vacuum switch 223 is controlled to be closed without connecting the feeding control valve 222 with the storage tank 221, the feeding control valve 224 is controlled to be opened to connect the storage tank 221, and the feeding vacuum switch 225 is controlled to be opened to connect the feeding control valve 224 with the feeding device 1. At this time, the plastic base material can be conveyed from the storage tank 221 to the feeding space 11, and is fed to the injection space 51 of the injection molding machine 5 for heating, after the material level detector 24 detects that the plastic base material in the feeding space 11 reaches a certain height, the feeding control valve 224 is controlled to be closed to block the communication between the storage tank 221 and the feeding vacuum switch 225, and when all the plastic base material in the feeding vacuum switch 225 enters the feeding space 11, the feeding vacuum switch 225 is controlled to be closed to close the feeding space 11, and the plastic base material can be conveyed from the feeding space 11 to the injection space 51 for plastic injection operation.
Referring to fig. 4, after the feeding module 22 on the left side finishes delivering the plastic parent material stored in the storage space 226, the feeding module 22 is controlled to switch from the feeding state to the feeding state, and at the same time, the feeding module 22 on the right side is also controlled to be activated by the vacuum pumping device 3 to perform the vacuum pumping operation on the storage tank 221, and the feeding module 22 is synchronously controlled to switch to the feeding state to deliver the plastic parent material to the feeding space 11 and then to the injection space 51, so as to achieve the purpose of uninterruptedly delivering the plastic parent material to the injection molding machine 5.
In summary, each feeding module 22 can be switched between the feeding state and the feeding state, and when one feeding module 22 is controlled to be switched to the feeding state, the other feeding module 22 is controlled to be switched to the feeding state, so that the feeding device 2 can continuously supply the plastic parent material to the injection molding machine 5, thereby achieving the effects of uninterrupted feeding and improving the productivity. In addition, the vacuum-pumping device 3 continuously performs vacuum-pumping operation on the feeding space 11 and the storage tank 221, and water vapor and exhaust gas are pumped out to keep the plastic base material dry, so as to achieve the effect of improving the quality of subsequent finished products.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.
Claims (4)
1. A vacuum feeder adapted to be mounted on an injection molding machine defining an injection space capable of receiving and heating a plastic base material, the vacuum feeder comprising: connect the injection molding machine and define out the feedway in feed space, set up in feedway on the feedway, and connect feedway with feedway's evacuating device, its characterized in that:
the feeding device comprises a feeding seat for inputting the plastic parent metal and two feeding modules which are communicated between the feeding seat and the feeding device in a switching way, each feeding module defines a storage space for receiving and storing the plastic parent metal from the feeding seat, and the vacuumizing device can be used for pumping out gas in the feeding space and the storage space;
each feeding module can be controlled to switch between a material supplementing state and a material supplying state, when one feeding module is controlled to switch to the material supplementing state, the other feeding module is controlled to switch to the material supplying state, the feeding module which is controlled to switch to the material supplementing state is not communicated with the material supplying device but is communicated with the material supplying seat so as to receive the plastic parent metal, the feeding module which is controlled to switch to the material supplying state is not communicated with the material supplying seat but is communicated with the material supplying device, and the stored plastic parent metal can be input into the material supplying device.
2. The vacuum feeder according to claim 1, characterized in that: each feeding module is provided with a storage tank for defining the storage space, a feeding control valve which can be controlled to be opened or closed and is arranged below the feeding seat, a feeding vacuum switch which can be controlled to be opened or closed and is arranged between the storage tank and the feeding control valve, a feeding control valve which can be controlled to be opened or closed and is arranged below the storage tank, and a feeding vacuum switch which can be controlled to be opened or closed and is arranged between the feeding control valve and the feeding device, the feeding control valve of the feeding module which is controlled to be switched to the material supplementing state is controlled to be opened and communicated with the feeding seat, the feeding vacuum switch is controlled to be opened and communicated with the feeding control valve and the storage tank, the feeding control valve is controlled to be closed and is not communicated with the storage tank, and the feeding vacuum switch is controlled to be closed and is not communicated with the feeding control valve and the feeding device, the feeding control valve of the feeding module which is controlled to be switched to the feeding state is controlled to be closed and is not communicated with the feeding seat, the feeding vacuum switch is controlled to be closed and is not communicated with the feeding control valve and the storage tank, the feeding control valve is controlled to be opened and is communicated with the storage tank, and the feeding vacuum switch is controlled to be opened and is communicated with the feeding control valve and the feeding device.
3. The vacuum feeder according to claim 2, characterized in that: the feeding device further comprises three material level detectors which are respectively arranged in the storage tank and the feeding device, and the material level detectors are respectively used for sensing the storage tank and the plastic base material storage amount in the feeding device.
4. The vacuum feeder according to claim 1, characterized in that: the vacuum feeding machine further comprises three vacuumizing and filtering devices which are respectively connected with the vacuumizing device and respectively connected with the storage space and the feeding space, and the vacuumizing and filtering devices are used for filtering gas pumped out of the storage space and the feeding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871545.7U CN213227300U (en) | 2020-09-01 | 2020-09-01 | Vacuum feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871545.7U CN213227300U (en) | 2020-09-01 | 2020-09-01 | Vacuum feeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213227300U true CN213227300U (en) | 2021-05-18 |
Family
ID=75903635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021871545.7U Active CN213227300U (en) | 2020-09-01 | 2020-09-01 | Vacuum feeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213227300U (en) |
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2020
- 2020-09-01 CN CN202021871545.7U patent/CN213227300U/en active Active
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