CN215921120U - Automatic feeding system for injection molding machine - Google Patents
Automatic feeding system for injection molding machine Download PDFInfo
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- CN215921120U CN215921120U CN202121867867.9U CN202121867867U CN215921120U CN 215921120 U CN215921120 U CN 215921120U CN 202121867867 U CN202121867867 U CN 202121867867U CN 215921120 U CN215921120 U CN 215921120U
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Abstract
The utility model relates to an automatic feeding system for an injection molding machine, which comprises a raw material barrel, a feeding device for supplying raw materials to the raw material barrel and a controller, wherein the feeding device comprises a feeding barrel component and a feeding component; the first level sensor is used for detecting the height of raw materials in the raw material barrel. Judge the surplus of former feed cylinder raw materials through first level sensor, when detecting former feed cylinder for empty bucket, start and carry raw and other materials to former feed cylinder through controller control feed cylinder subassembly and pay-off subassembly, realized in raw and other materials automatic supply to former feed cylinder, need not the manual work and monitor former feed cylinder, reduce staff's work load and ensure that the raw and other materials in the former feed cylinder can in time supply.
Description
Technical Field
The utility model relates to the field of feeding systems of injection molding machines, in particular to an automatic feeding system for an injection molding machine.
Background
Injection molding machines, also known as injection molding machines or injection molding machines. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. When the injection molding machine is used, the raw material barrel supplies materials to a barrel of the injection molding machine, so that plastic particles in the raw material barrel form various shapes in a mold.
If the publication number is 'CN 209920429U', the Chinese patent document disclosed in 1/10 of 2020, the disclosure date is a convenient-to-use injection molding machine feeding device, which comprises an injection molding machine body, wherein a raw material barrel is communicated with the injection molding machine body, a supporting frame is arranged on one side of the raw material barrel, a vertical storage barrel is fixedly connected with the supporting frame, a discharge pipe is fixedly connected with the bottom of the storage barrel, a material receiving barrel is fixedly connected with the bottom of the discharge pipe, an air blow pipe and a feeding pipe are communicated with the material receiving barrel, one end of the air blow pipe is communicated with an air source, and the other end of the air blow pipe is communicated with the raw material barrel; the discharging pipe is provided with a limiting component for limiting the flow of raw materials. After the raw materials surplus in the raw material barrel reduces, add the raw materials in the storage vat, start the air supply with the gas blow pipe intercommunication, the subassembly of limiting a quantity of simultaneous control for in the raw materials in the storage vat gets into the raw material barrel through the subassembly of limiting a quantity of, then in the gas blow pipe will connect the raw materials in the feed cylinder to blow in the discharge tube, blow in from the discharge tube again and connect the feed cylinder. The arrangement of the limiting component enables the raw material in the material receiving barrel to be continuously blown into the raw material barrel.
However, in the above technical scheme, the surplus material condition in the former storage bucket is observed through the manual work to the supply mode of former storage bucket to raw and other materials, and when the surplus material was not enough, the manual work started feedway again starts, just can realize the feed to former storage bucket, leads to needing the staff often to look over the surplus material condition of former storage bucket, has increased staff's work burden, and if can not in time add raw and other materials moreover, still can influence work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problem that raw materials cannot be automatically supplied to the raw material barrel in the prior art, and provides an automatic feeding system for an injection molding machine, which can automatically convey the raw materials to the raw material barrel when the residual materials of the raw material barrel are insufficient.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides an automatic feed system for injection molding machine, include former storage bucket, to feedway and the controller of former storage bucket supply raw and other materials, feedway includes feed bucket subassembly and pay-off subassembly, be provided with first level sensor in the former storage bucket, first level sensor with feedway all with the controller electricity is connected.
In the above technical solution, the first level sensor may be a weight sensor, an infrared sensor, an ultrasonic sensor, or the like, wherein the weight sensor confirms the excess material condition by detecting the weight of the raw material inside the raw material barrel, a threshold value for determining that there is no excess material is set in the controller, and when the weight is lower than the threshold value, the controller determines that there is no raw material in the raw material barrel. The infrared inductor and the ultrasonic inductor are based on the distance measuring principle, the allowance of the raw materials is judged by detecting the material level height of the materials in the raw material barrel, and when the material level height is lower than a preset allowance-free threshold value, the controller judges that no raw materials exist in the raw material barrel. When using, raw and other materials are at first placed in the feed barrel subassembly, do not have raw and other materials in the former storage bucket when the controller judges, and the cooperation of subassembly and feeding unit is led to the controller control feed, makes in raw and other materials can automatic transport to former storage bucket, need not the raw and other materials in service behavior of artifical monitoring former storage bucket among the whole process.
Preferably, the feeding barrel assembly comprises a plurality of feeding barrels, valves for controlling the opening and closing of the discharge ports of the feeding barrels are arranged at the bottom ends of the feeding barrels, and the discharge ports of the feeding barrels are connected in series through feeding pipes; the raw material barrel is communicated with the feeding pipe through a raw material conveying pipe; the valve is electrically connected with the controller. The feed barrel can be provided with a plurality ofly as required, when needs are to former feed barrel transport raw and other materials, can open the valve that different feed barrels correspond according to different needs, and raw and other materials in the feed barrel shift into the raw and other materials conveyer pipe through the conveying pipe, enter into to former feed barrel in at last. Because the conveying pipe and each feeding barrel are in a communicated state, different feeding barrels can feed materials to the feeding barrels only by communicating one raw material conveying pipe with the conveying pipe. Different feed buckets can be used for containing the same or different raw materials, can be used for storing more raw materials of the same type or are convenient for providing different types of raw materials.
Preferably, the feeding assembly comprises an air suction pipe communicated with the raw material barrel and an air suction pump connected with the air suction pipe, and the air suction pump is electrically connected with the controller. When needs are to raw materials barrel transport raw and other materials, controller control evacuation pump starts, takes out the gas in the raw materials barrel through the exhaust tube, makes raw materials barrel be in the state of negative pressure, makes raw materials barrel can be through raw materials conveyer pipe with the raw and other materials extraction in the feed barrel advance raw materials barrel. The starting sequence of the vacuumizing pump and the valve of the feeding barrel can be started simultaneously, or the vacuumizing pump can be started firstly for a period of time until the raw material barrel is in a vacuum state.
Preferably, the raw material conveying pipe is communicated with the top of the raw material barrel, and the suction pipe is communicated with the side wall of the raw material. When the vacuum pump is used for pumping, raw materials can enter the raw material barrel from the top of the raw material barrel, and pumping and feeding can be carried out simultaneously.
Preferably, a separation net is arranged at the communication position of the exhaust tube and the raw material barrel, and the separation net is used for preventing raw materials from entering the exhaust tube. The net that separates is the screen cloth that the aperture is less than raw and other materials particle diameter, avoids raw and other materials to flow from the exhaust tube after getting into raw materials bucket, leads to the loss of raw and other materials and the damage of evacuation pump.
Preferably, the feeding device further comprises a storage rack, and the feeding barrel component and the feeding component are both mounted on the storage rack. The feed barrel of feed barrel subassembly is installed on the roof of supporter, and pay-off subassembly and conveying pipe then set up in the inner chamber of supporter, when being convenient for throw the material to the feed barrel, keep apart the protection through the supporter to pay-off subassembly and conveying pipe.
Preferably, a barrel cover used for covering the feeding hole of the feeding barrel is arranged on the feeding barrel; a second material level sensor is arranged on the barrel cover; the second material level sensor is electrically connected with the controller. Under the state that the bung was opened, to pouring raw and other materials in the feed barrel, then close the feed barrel, when needs were to the feed of raw and other materials bucket, through the valve of opening the feed barrel ejection of compact for raw and other materials flow from the bottom of feed barrel. And the material level inductor can be weight inductor, infrared inductor or ultrasonic sensor etc. on the feed bucket of installation, also can be infrared inductor and the ultrasonic sensor of installation on the bung, and wherein the weight inductor confirms the surplus condition through detecting the inside raw and other materials weight of feed bucket, sets for the threshold value of judging for no surplus in the controller, and when weight is less than the threshold value, the controller then can receive the signal of telecommunication and send out the empty signal of feed bucket. And the infrared inductor and the ultrasonic inductor are based on the principle of distance measurement, and the allowance is judged by detecting the material level height of the material in the feeding barrel. The material level inductor can be with detected signal transmission to controller, and the user can confirm the interior raw and other materials surplus condition of feed barrel with the signal that the controller given, and raw and other materials are not enough in the feed barrel, can add raw and other materials in to the feed barrel, need not the in service behavior of artifical naked eye observation raw and other materials in the feed barrel.
Preferably, the barrel cover is rotatably connected with the feeding barrel, and a driving device for driving the barrel cover to rotate is arranged on the feeding barrel. The driving device can drive the barrel cover to rotate, and when the barrel body is opened to add raw materials, the driving device drives the barrel cover to rotate in the direction away from the barrel body. When the barrel body is to be covered, the driving device drives the barrel cover to rotate towards the direction close to the barrel body. Wherein the bung can be connected with staving horizontal rotating shaft or vertical rotating shaft, preferably horizontal rotating shaft is connected, and the bung can rotate from top to bottom, does not need to fill space on the left and right sides. The driving device can be a motor, a hydraulic cylinder or an air cylinder and the like, and is preferably an air cylinder, because the weight of the air cylinder is light, the barrel body cannot be overloaded, and the air cylinder is simpler to use and control.
Preferably, the bottom of the raw material barrel is connected with a pushing device for controlling the opening and closing of a discharge port of the raw material barrel. The pushing device can be an air cylinder and a baffle connected with the air cylinder, and the opening and closing of the discharge hole of the raw material barrel are controlled by the movement of the baffle driven by the air cylinder. The pushing device can also be a solenoid valve.
Preferably, first level sensor set up in the top of former storage bucket is inboard, and first level sensor is infrared sensor or ultrasonic wave level gauge, and first level sensor's response signal transmitting terminal is vertical down, and the high surplus of the raw and other materials of confirming is come to the height of bucket top through the raw and other materials of response staving, can set for the percentage of raw and other materials surplus with the testing result of the height of difference, and the staff of being convenient for learns the volume of raw and other materials surplus directly perceivedly.
Compared with the prior art, the utility model has the beneficial effects that: judge the surplus of former feed cylinder raw materials through first level sensor, when detecting former feed cylinder for empty bucket, start and carry raw and other materials to former feed cylinder through controller control feed cylinder subassembly and pay-off subassembly, realized in raw and other materials automatic supply to former feed cylinder, need not the manual work and monitor former feed cylinder, reduce staff's work load and ensure that the raw and other materials in the former feed cylinder can in time supply.
Drawings
FIG. 1 is a schematic structural view of an automatic feed system for an injection molding machine according to the present invention;
FIG. 2 is a schematic view of the structure of the supply tank of the present invention;
FIG. 3 is a schematic view of the mounting structure of a second level sensor of the present invention;
fig. 4 is a schematic structural view of the raw material barrel of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
Fig. 1 shows an embodiment of an automatic feeding system for an injection molding machine, which includes a raw material barrel 1, a feeding device for supplying raw material to the raw material barrel 1, and a controller, wherein the feeding device includes a feeding barrel assembly 2 and a feeding assembly 3, a first level sensor 101 is disposed in the raw material barrel 1, and the first level sensor 101 and the feeding device are both electrically connected to the controller; the first level sensor 101 is used to detect the height of the raw material in the raw material bucket 1. In this embodiment, the first level sensor is an infrared sensor.
The feeding barrel assembly 2 comprises a plurality of feeding barrels 201, valves 202 for controlling the opening and closing of the discharge ports of the feeding barrels 201 are arranged at the bottom ends of the feeding barrels 201, and the discharge ports of the feeding barrels 201 are connected in series through feeding pipes 203; the raw material barrel 1 is communicated with a feeding pipe 203 through a raw material conveying pipe 204; the valve 202 is electrically connected to the controller. The feed bucket 201 can be provided with a plurality ofly as required, when needs are to former feed bucket 1 transport raw and other materials, can open the valve 202 that different feed buckets 201 correspond according to different needs, and the raw and other materials in the feed bucket 201 carry out and change over into raw and other materials conveyer pipe 204 through conveying pipe 203, enter into in the former feed bucket 1 at last. Because the feeding pipe 203 and each feeding barrel 201 are in a communicated state, only one raw material conveying pipe 204 is communicated with the feeding pipe 203, so that different feeding barrels 201 can feed to the raw material barrel 1. Different supply barrels 201 may hold the same or different types of raw materials, may hold more raw materials of the same type, or may facilitate providing different types of raw materials. The feeding assembly 3 comprises an air suction pipe 301 communicated with the raw material barrel 1 and an air suction pump 302 connected with the air suction pipe 301, and the air suction pump 302 is electrically connected with the controller. When raw material needs to be conveyed to raw material barrel 1, controller control evacuation pump 302 starts, takes out the gas in raw material barrel 1 through exhaust tube 301, makes raw material barrel 1 be in the state of negative pressure, makes raw material barrel 1 can be through raw material conveying pipe 204 with raw material extraction in feed barrel 201 into raw material barrel 1. The vacuum pump 302 and the valve 202 of the supply tank 201 can be started simultaneously, or the vacuum pump 302 can be started first until the raw material tank 1 is in a vacuum state.
Specifically, the raw material delivery pipe 204 is communicated with the top of the raw material barrel 1, and the exhaust pipe 301 is communicated with the side wall of the raw material barrel 1. The vacuum pump 302 can feed the raw material into the raw material barrel 1 from the top of the raw material barrel 1 while sucking, and the sucking and the feeding can be performed simultaneously. The connection between the exhaust pipe 301 and the raw material barrel 1 is provided with a separation net for preventing raw materials from entering the exhaust pipe 301. The net that separates is the screen cloth that the aperture is less than raw and other materials particle diameter, flows out from exhaust tube 301 after avoiding raw and other materials to get into raw and other materials bucket 1, leads to the loss of raw and other materials and the damage of evacuation pump 302.
In addition, the feeding device also comprises a storage rack 4, and the feeding barrel component 2 and the feeding component 3 are both arranged on the storage rack 4. The feed bucket 201 of feed bucket subassembly 2 is installed on the roof of supporter 4, and pay-off subassembly 3 and conveying pipe 203 then set up in the inner chamber of supporter 4, when being convenient for throw the material to feed bucket 201, keep apart the protection through supporter 4 to pay-off subassembly 3 and conveying pipe 203.
The working principle or working process of the embodiment is as follows: first level sensor 101 is infrared inductor, based on the principle of range finding, judges the surplus of raw and other materials through the material level height that detects the interior material of former storage bucket, and when the material level height was less than predetermined no surplus material threshold value, the controller then judged that there has not been raw and other materials in former storage bucket 1. When in use, raw materials are firstly placed in the feeding barrels 201, when the controller judges that no raw materials exist in the raw material barrels 1, the controller controls the valve 202 and the vacuum pump 302 of one of the feeding barrels 201 to be started, and negative pressure is formed inside the raw material barrels 1, so that the raw materials can be automatically conveyed into the raw material barrels 1 from the feeding barrels 201, and the raw material use condition of the raw material barrels does not need to be monitored manually in the whole process.
The beneficial effects of this embodiment: judge the surplus of former feed cylinder 1 raw materials through first level sensor 101, when detecting that former feed cylinder 1 is empty bucket, start and carry raw and other materials to former feed cylinder 1 through controller control feed cylinder subassembly 2 and pay-off subassembly 3, realized raw and other materials automatic supply to former feed cylinder 1 in, need not the manual work and monitor former feed cylinder, reduce staff's work load and ensure that the raw and other materials in the former feed cylinder 1 can in time supply.
Example 2
A barrel cover 2011 for covering the feed port of the feed barrel 201 is arranged on the feed barrel 201; a second material level sensor 2012 used for sensing the height of the material in the feeding barrel 201 is arranged on the barrel cover 2011; the second level sensor 2012 is electrically connected to the controller. Under the state that bung 2011 is opened, pour raw and other materials into feed barrel 201, then close feed barrel 201, when needs to the raw materials bucket 1 feed, through opening the valve 202 of the ejection of compact of feed barrel 201 for raw and other materials flow out from the bottom of feed barrel 201. While the second level sensor 2012 operates in accordance with the first level sensor 101. Second material level inductor can confirm the interior raw and other materials surplus condition of feed barrel 201 with the signal that the controller given, user, and raw and other materials are not enough in feed barrel 201, can add raw and other materials in feed barrel 201 when feed barrel 201, need not the in service behavior of artifical naked eye observation feed barrel 201 interior raw and other materials.
Wherein, bung 2011 rotates with feed barrel 201 and is connected, is provided with drive bung 2011 pivoted drive arrangement 2013 on feed barrel 201. The driving device 2013 can drive the barrel cover 2011 to rotate, and when the barrel body is opened to add raw materials, the driving device 2013 drives the barrel cover 2011 to rotate in the direction away from the barrel body. When the barrel body is to be closed, the driving device 2013 drives the barrel cover 2011 to rotate towards the direction close to the barrel body. The barrel cover 2011 can be connected with a barrel horizontal rotating shaft or a barrel vertical rotating shaft, preferably, the barrel cover 2011 is connected with the horizontal rotating shaft, and the barrel cover 2011 can rotate up and down without occupying space on the left side and the right side. The driving device 2013 can be a motor, a hydraulic cylinder or an air cylinder and the like, and is preferably an air cylinder, because the air cylinder is light in weight, the barrel body is not subjected to excessive bearing burden, and meanwhile, the use and control of the air cylinder are simpler.
The remaining features and principles of this embodiment are consistent with embodiment 1.
Example 3
An embodiment 3 of an automatic feed system for an injection molding machine is different from the embodiment 1 or the embodiment 2 in that a raw material barrel 1 is further defined as shown in fig. 4.
Specifically, the bottom of the raw material barrel 1 is connected with a pushing device 102 for controlling the opening and closing of the discharge port of the raw material barrel 1. The pushing device 102 may be an air cylinder 1021 and a damper 1022 connected to the air cylinder 1021, and the opening and closing of the discharge port of the raw material barrel 1 is controlled by the movement of the damper 1022 driven by the air cylinder 1021.
Wherein, first level sensor 101 sets up in the top of former storage bucket 1 is inboard, and first level sensor 101 is infrared sensor, and the response signal transmitting terminal of first level sensor 101 is vertical downwards, and the high surplus of the raw and other materials of confirming is come to the high surplus of bucket top through the raw and other materials of response staving, can set for the percentage of raw and other materials surplus with the testing result of different heights, and the staff of being convenient for learns how much of raw and other materials surplus directly perceivedly.
The remaining features and principles of this embodiment are consistent with embodiment 1 or embodiment 2.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an automatic feed system for injection molding machine, include former storage bucket (1) and to the feedway of former storage bucket (1) supply raw and other materials, feedway includes feed tank subassembly (2) and pay-off subassembly (3), its characterized in that still includes the controller, be provided with first level sensor (101) in former storage bucket (1), first level sensor (101) with feedway all with the controller electricity is connected.
2. The automatic feeding system for the injection molding machine according to claim 1, wherein the feeding barrel assembly (2) comprises a plurality of feeding barrels (201), the bottom ends of the feeding barrels (201) are respectively provided with a valve (202) for controlling the opening and closing of the discharge holes of the feeding barrels (201), and the discharge holes of the feeding barrels (201) are respectively connected in series through a feeding pipe (203); the raw material barrel (1) is communicated with the feeding pipe (203) through a raw material conveying pipe (204); the valve (202) is electrically connected to the controller.
3. The automatic feeding system for injection molding machines according to claim 2, characterized in that said feeding assembly (3) comprises an air suction pipe (301) communicating with said raw material barrel (1) and an air suction pump (302) connected to said air suction pipe (301), said air suction pump (302) being electrically connected to said controller.
4. An automatic feed system for injection molding machines according to claim 3, characterized in that said feed line (204) communicates with the top of said feed vat (1) and said suction line (301) communicates with the side walls of said feed vat (1).
5. The automatic feeding system for the injection molding machine according to claim 3, wherein a screen is provided at a communication position of the suction pipe (301) and the raw material barrel (1).
6. An automatic feeding system for injection molding machines according to claim 3, characterized in that said feeding device further comprises a storage rack (4), said feeding barrel (201) assembly (2) and said feeding assembly (3) being mounted on said storage rack (4).
7. The automatic feeding system for the injection molding machine according to claim 2, wherein a barrel cover (2011) for covering the feeding port of the feeding barrel (201) is arranged on the feeding barrel (201); a second material level sensor (2012) is arranged on the barrel cover (2011); the second level sensor (2012) is electrically connected to the controller.
8. The automatic feeding system for the injection molding machine according to claim 7, wherein the barrel cover (2011) is rotatably connected with the feeding barrel (201), and a driving device (2013) for driving the barrel cover (2011) to rotate is arranged on the feeding barrel (201).
9. The automatic feeding system for the injection molding machine according to any one of claims 1 to 8, wherein the bottom of the raw material barrel (1) is connected with a pushing device (102) for controlling the opening and closing of the discharge port of the raw material barrel (1).
10. An automatic feed system for injection molding machines according to claim 9, characterized in that the first level sensor (101) is arranged inside the top of the raw material vat (1).
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| CN202121867867.9U CN215921120U (en) | 2021-08-10 | 2021-08-10 | Automatic feeding system for injection molding machine |
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| CN202121867867.9U CN215921120U (en) | 2021-08-10 | 2021-08-10 | Automatic feeding system for injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801050A (en) * | 2022-04-26 | 2022-07-29 | 健大电业制品（昆山）有限公司 | Feeding device of injection molding machine and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801050A (en) * | 2022-04-26 | 2022-07-29 | 健大电业制品（昆山）有限公司 | Feeding device of injection molding machine and operation method thereof |
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