CN218462872U - Precision injection system - Google Patents
Precision injection system Download PDFInfo
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- CN218462872U CN218462872U CN202222361918.1U CN202222361918U CN218462872U CN 218462872 U CN218462872 U CN 218462872U CN 202222361918 U CN202222361918 U CN 202222361918U CN 218462872 U CN218462872 U CN 218462872U
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Abstract
The utility model discloses an accurate injection system for the injection moulding of one or more liquid material, accurate injection system includes: the mixer is provided with a containing cavity for containing the liquid material and enables the liquid material to be mixed in the containing cavity; at least one mould is arranged and used for receiving the mixed liquid material and performing injection molding on the mixed liquid material; the detector is arranged between the mixer and the mould, is provided with a quantitative space for containing the liquid material, and detects the flow of the liquid material flowing through the quantitative space; and the controller is in communication connection with the detector, receives the signal of the detector and controls the circulation of the liquid material according to the signal. The utility model discloses technical scheme provides an accurate injection system can solve because detection error is big, leads to the material to spill over the mould and causes extravagant technical problem.
Description
Technical Field
The utility model relates to a sizing material processing equipment technical field, in particular to accurate injection system.
Background
The traditional electric power liquid silicone rubber molding principle is as follows: the method is characterized in that the glue in the glue storage cylinder A and the glue storage cylinder B are respectively injected into a static mixer by a silica gel injection machine, the glue in the glue storage cylinder A and the glue in the glue storage cylinder B are uniformly mixed and then flow into a forming mold, and a mold feeding valve is manually closed. The injection machine judges whether the injection amount reaches a set value or not by detecting the glue position in the glue storage cylinder. The rubber material in the section of pipeline of the static mixer and the rubber storage cylinder is in a high-pressure state during conveying, and the rubber material in the section of pipeline of the static mixer and the mold is in a low-pressure state during conveying, so that the difference between the rubber amount of the rubber position of the rubber storage cylinder and the rubber amount actually injected into the mold is large, the rubber material overflows from the mold, and raw materials are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an accurate injection system aims at solving the great technical problem of volume of glue error that pressure difference leads to measuring volume and actual injection mould internal glue volume error in two sections material transmission pipes around the present blender.
In order to achieve the above object, the present invention provides an accurate injection system for injection molding of one or more liquid materials, the accurate injection system comprises:
the mixer is provided with a containing cavity for containing the liquid material and enables the liquid material to be mixed in the containing cavity;
at least one mould is arranged and used for receiving the mixed liquid material and performing injection molding on the mixed liquid material;
a detector disposed between the mixer and the mold, provided with a quantitative space for accommodating the liquid material, and detecting a flow rate of the liquid material flowing through the quantitative space;
and the controller is in communication connection with the detector, receives the signal of the detector and controls the circulation of the liquid material according to the signal.
Optionally, a pneumatic valve is further arranged between the mixer and the detector, and the pneumatic valve is in communication connection with the controller; and/or the presence of a gas in the gas,
the mixer is also communicated with an injection machine, the injection machine is used for providing power for the liquid material to flow, and the injection machine is in communication connection with the controller.
Optionally, a conveying cavity is arranged in the detector, two gears meshed with each other are arranged in the conveying cavity, and a gap between two gear teeth of the gears forms the quantitative space.
Optionally, the detector is further provided with a magnetic sensor, a magnet is arranged on each gear tooth of the gear, the magnet is in inductive connection with the magnetic sensor, the magnetic sensor generates a signal when the gear rotates by one tooth position, and the magnetic sensor is in communication connection with the controller.
Optionally, the detector includes sealing connection's base and upper cover, the gear rotationally connects on the base, carry the chamber set up in the upper cover with the one side that the base is relative, still set up on the base with carry feed inlet and discharge gate that the chamber communicates, magnetic sensor locates the upper cover.
Optionally, a feeding channel is communicated between the feeding hole and the conveying cavity, and a discharging channel is communicated between the discharging hole and the conveying cavity; the feeding channel and the discharging channel respectively comprise a transverse channel and a vertical channel which are mutually communicated, and the vertical channel is close to the conveying cavity and is communicated with the conveying cavity; the vertical channels of the feeding channel and the discharging channel are respectively positioned at two sides of the connecting line of the axle centers of the two gears.
Optionally, the axes of the two gears are arranged in parallel, and/or the magnet is consistent with the extending direction of the gear axis.
Optionally, the gear teeth edge of the gear and both end faces of the gear are in contact with the inner wall of the conveying cavity.
Optionally, a distributor is further disposed between the detector and the mold, the distributor is provided with at least one conveying pipe, and each conveying pipe is connected with the corresponding mold.
Optionally, the mold is connected with a feed gun, the feed gun is connected with a pneumatic shut-off gun valve, and the pneumatic shut-off gun valve is in communication connection with the controller.
The utility model discloses technical scheme carries out the intensive mixing of liquid material through adopting to set up the blender, does benefit to the shaping of liquid material in the mould. Locate the detector between blender and the mould, make detector and mould a pressure transmission pipeline of same department, avoid because there is pressure differential in detector and mould to lead to actual injection volume and detection volume to have the difference, lead to liquid material to spill over the mould. Specifically, the detector has a quantitative space for accommodating and conveying the liquid material, and quantitatively conveys the liquid material to the mold, thereby detecting the amount of the liquid material entering the mold for molding. The controller is in communication connection with the detector, timely receives signals of the detector and controls the circulation of the liquid materials.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a precision injection system according to an embodiment of the present invention;
FIG. 2 is an exploded view of a detector in accordance with an embodiment of the present invention;
FIG. 3 is an exploded view of a detector in accordance with an embodiment of the present invention;
figure 4 is a schematic diagram of a detector portion of an embodiment of the precision injection system of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
35 | Upper cover |
| 11 | Containing |
36 | Base seat |
| 2 | Die |
361 | |
| 21 | |
362 | Discharge port |
| 3 | |
363 | |
| 31 | Conveying |
364 | |
| 32 | |
4 | |
| 33 | |
5 | |
| 34 | Magnet | 6 | Dispenser |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an accurate injection system.
In the prior art, as the rubber material is conveyed by the static mixer, the rubber material in the section of pipeline of the static mixer and the rubber storage cylinder is in a high-pressure state during conveying, and the rubber material in the section of pipeline of the static mixer and the mold is in a low-pressure state during conveying, the difference between the rubber amount of the rubber position of the rubber storage cylinder and the rubber amount actually injected into the mold is large, and the rubber material overflows from the mold to waste raw materials.
In order to solve the technical problem, the utility model discloses technical scheme carries out the intensive mixing of liquid material through adopting to set up the blender, does benefit to the shaping of liquid material in the mould. Locate the detector between blender and the mould, make detector and mould be a pressure transmission pipeline in same place, avoid because there is the pressure differential in detector and mould to lead to actual injection volume and detection volume to have the difference, lead to the liquid material to spill over the mould. Specifically, the detector has a quantitative space for accommodating and conveying the liquid material, and quantitatively conveys the liquid material to the mold, thereby detecting the amount of the liquid material entering the mold for molding. The controller is in communication connection with the detector, timely receives signals of the detector and controls the circulation of the liquid materials.
The above technical solution is described in detail with reference to the accompanying drawings.
In an embodiment of the present invention, as shown in fig. 1-4, the precision injection system is used for injection molding of one or more liquid materials, and the precision injection system comprises:
the mixer 1 is provided with a cavity 11 for containing liquid materials, and the liquid materials are mixed in the cavity 11;
at least one mould 2 is arranged and used for receiving the mixed liquid material and performing injection molding on the mixed liquid material;
the detector 3 is arranged between the mixer 1 and the mould 2, is provided with a quantitative space for containing liquid materials, and detects the flow of the liquid materials flowing through the quantitative space;
and the controller is in communication connection with the detector 3, receives the signal of the detector 3 and controls the circulation of the liquid material according to the signal.
In the present embodiment, the liquid material is exemplified by an electric liquid silicone rubber, but is not limited to be applied to such a liquid material. The liquid silicone rubber is fully and uniformly mixed in the containing cavity 11 in the mixer 1, specifically, the mixer 1 is a static mixer or other mixers, which is not limited in this embodiment, wherein the static mixer is a high-efficiency mixing device without moving parts, and the flow state of the fluid in the pipe is changed by using a mixing unit body fixed in the pipe, so as to achieve the purpose of good dispersion and sufficient mixing between different fluids. It can be understood that the mixer 1 and the detector 3, and the detector 3 and the mold 2 are communicated through the conveying pipeline, and the liquid silicone rubber is conveyed through the conveying pipeline. The mold 2 is provided with a space of a specific shape, and the liquid silicone rubber is molded in the space of the mold 2.
The feeding end of the detector 3 is communicated with the discharging end of the mixer 1, the discharging end of the detector 3 is communicated with the feeding end of the mold 2, and liquid silicon rubber in the quantitative space of the detector 3 enters the mold 2 and generates a signal so as to detect the amount of the material entering the mold 2. Specifically, firstly, according to the size of the molding space of the mold 2 and the number of the mold 2, the amount of the material required for one-time molding is calculated, a system sets a proper numerical value, the detector 3 quantifies the liquid material in the space and conveys the liquid material to the mold 2, one-time liquid material circulation generates one-time signals, the signals are transmitted to the controller until the preset numerical value, the controller stops conveying the material through the set control program and the control system, for example, the liquid material circulation is controlled by controlling the opening and closing of a valve on a conveying pipeline, or controlling the opening and closing of an inlet of the mold and the like. In this embodiment, the quantitative space of the detector 3 is small in volume, and the material amount required for molding the mold 2 is several times of the one-time conveying amount of the quantitative space of the detector 3, and it can be understood that, in the actual production process, the detector 3 corresponding to the appropriate quantitative space can be selected according to the required amount of the mold 2, so that the material waste is avoided.
Optionally, a pneumatic valve 4 is further arranged between the mixer 1 and the detector 3, and the pneumatic valve 4 is in communication connection with the controller; and/or the presence of a gas in the gas,
the mixer 1 is also communicated with an injection machine 5, the injection machine 5 is used for providing power for the flow of the liquid material, and the injection machine 5 is in communication connection with the controller.
In the concrete implementation process, the pneumatic valve 4 can be a high pressure resistant pneumatic valve, the on-off of the system is controlled, and after the feeding amount of the die 2 reaches a set value, the material at the upstream of the detector 3 still has a certain driving force to enter the detector 3, so that certain influence is caused on detection, the pneumatic valve 4 close to the detector 3 is closed in time, so that the mixer 1 can not circulate liquid materials quickly, and the detection is more accurate. In addition, the air-operated valve 4 is provided in front of the detector 3, and can protect the detector 3 from pressure shock. In another embodiment, the mixer 1 is connected to an injector 5, and the injector 5 can provide a conveying power mechanism for a conveying pump or a piston power mechanism, etc., and the liquid material flows in the system by the power provided by the injector 5. In addition, the injection machine 5 is also connected with a material cylinder for containing liquid materials, and the liquid materials are conveyed into the system from the material cylinder. Specifically, taking the example of mixing two materials A and B, the two materials A and B are respectively stored in corresponding material cylinders, the material cylinder of each liquid material is respectively connected with a corresponding injection machine 5 and a corresponding conveying branch pipe, each conveying branch pipe is respectively connected with a mixer 1, the two materials A and B are fully mixed in the mixer 1, and each conveying branch pipe is provided with a one-way valve for avoiding backflow of the liquid materials.
Optionally, a conveying cavity 31 is arranged in the detector 3, two gears 32 which are meshed with each other are arranged in the conveying cavity 31, and a gap between two gear teeth of the gears 32 forms a quantitative space.
In the specific implementation process, the two gears 32 are meshed and connected, optionally, the axes of the two gears 32 are arranged in parallel, a fixed gap between two gear teeth of the gear 32, namely a gear groove, forms a quantitative space for accommodating and conveying liquid materials, the gear teeth edges of the gear 32 are in contact with the inner wall of the conveying cavity 31, two end faces of the gear 32 are in contact with the inner wall, the sealing performance is guaranteed, and the accuracy of conveying amount is further guaranteed. Specifically, after the liquid material flows into the conveying cavity 31, the quantitative space is filled, and the gear 32 is pushed to rotate, so that the liquid material is conveyed. Since the gap between the two gears 32 is fixed, the liquid material conveyed by each rotation of the gears 32 is fixed, thereby realizing the control of the material conveying amount, and the detection precision of the liquid material can be controlled to 0.1G.
Further, the detector 3 is further provided with a magnetic sensor 33, each gear tooth of one gear 32 is provided with a magnet 34, the magnet 34 is in inductive connection with the magnetic sensor 33, the magnetic sensor 33 generates a signal when the gear 32 rotates by one tooth position, a corresponding amount of liquid material flows to the mold 2, and the magnetic sensor 33 is in communication connection with the controller.
The two gears 32 are meshed with each other and rotate simultaneously, each gear tooth of one gear 32 is provided with a mounting groove, a magnet 34 is fixed in each mounting groove, each magnet 34 is of a cylindrical structure, the axial extension direction of each magnet is consistent with the axial extension direction of the corresponding gear 32, each time the gear 32 rotates by one tooth position, the magnetic sensor 33 generates a primary sensing signal and transmits the signal to the controller, and after a set value is reached, the controller controls the stop of the liquid material conveying.
Still further, the detector 3 includes a base 36 and an upper cover 35 which are connected in a sealing manner, the gear 32 is rotatably connected to the base 36, the conveying cavity 31 is arranged on the surface of the upper cover 35 opposite to the base 36, the base 36 is further provided with a feeding port 361 and a discharging port 362 which are communicated with the conveying cavity 31, and the magnetic sensor 33 is arranged on the upper cover 35.
Specifically, the edge end faces of the upper cover 35 and the base 36 are fixed through a plurality of bolts, so that the two gears 32 are connected to the base 36 in a sealing manner, the feed port 361 and the discharge port 362 are respectively located on two sides of a connecting line of the axes of the two gears 32, and the magnetic sensor 33 is arranged on the upper cover 35 and is close to the gear 32 provided with the magnet 34.
Furthermore, a feeding channel 363 is communicated between the feeding port 361 and the conveying cavity 31, and a discharging channel 364 is communicated between the discharging port 362 and the conveying cavity 31. In this embodiment, the feeding port 361 and the discharging port 362 are disposed on the side wall of the base 36, the feeding channel 363 and the discharging channel 364 both include a horizontal channel and a vertical channel that are communicated with each other, the vertical channel is consistent with the axis direction of the gear 32, is close to the conveying cavity 31 and is communicated with the conveying cavity 31, the vertical channel is respectively located on two sides of the connecting line of the axes of the two gears 32, the feeding direction is perpendicular to the rotation direction of the gear 32, and the impact and detection error caused by the rotation of the gear 32 are avoided. In the specific implementation process, the liquid material sequentially passes through the feed port 361, the feed channel 363, the quantitative space, the discharge channel 364 and the discharge port 362, enters the die 2 through the conveying pipeline, and enters the quantitative space of the conveying cavity 31 through the vertical channel of the feed channel, so that the conveying path is short, and the efficiency is high. The feeding channel 363 and the discharging channel 364 are respectively located at two sides of an axis connecting line of the two gears 32, one side of the conveying cavity 31 communicated with the feeding channel 363 is a feeding side, one side of the conveying cavity 31 communicated with the discharging channel 364 is a discharging side, liquid materials continuously enter the feeding side, and the gears 32 are driven to rotate, so that the materials are conveyed.
Optionally, a distributor 6 is further disposed between the detector 3 and the mold 2, and the distributor 6 is provided with at least one conveying pipe, and each conveying pipe is connected to the corresponding mold 2.
In another embodiment, a plurality of moulds 2 are provided, in order to be able to feed liquid material into a plurality of moulds 2, a distributor 6 is provided between the detector 3 and the moulds 2 and is connected to a respective feed pipe, each feed pipe feeding liquid material into a corresponding mould 2. Of course, it can be understood that the numerical value of the required material set in the system is the material required by the corresponding mold 2, and after one mold 2 completes injection molding, injection molding of the next mold 2 is performed, so that one injection machine 5 can inject the material corresponding to a plurality of molds 2 without replacing the molds 2, and the flow is saved.
Optionally, the mold 2 is connected with a feeding gun 21, the feeding gun 21 is connected with a pneumatic gun closing valve, and the pneumatic gun closing valve is in communication connection with the controller. Specifically, the material passes through feed gun 21 and gets into mould 2, and pneumatic gun valve is connected with the controller, receives the signal that stops the feeding at the controller after, and control pneumatic gun valve closes, stops to carry the material in mould 2, guarantees that the material can not spill over mould 2, saves the material.
Therefore, in the precision injection system provided by the embodiment, the detector 3 and the mold 2 are located in the same low-pressure pipeline, the detection precision is high, the detector 3 sends a signal to the controller after reaching a set value, the controller receives a signal for stopping feeding, and simultaneously controls the injection machine 5 to be stopped, the pneumatic valve 4 to be closed and the corresponding pneumatic gun closing valve to be closed, and the mold 2 enters the vulcanization thermosetting molding after the feeding is finished. It can be understood that after the controller receives the start signal, the controller controls to start the injection machine 5, open the pneumatic valve 4 and the pneumatic shut-off gun valve on the corresponding mold 2, and perform material injection, detection and control. With detector 3 and mould 2 be in a low pressure pipeline with, and detector 3's gear 32 space size is fixed, the ejection of compact detects the accuracy control and reaches 0.1G, solves the ejection of compact that traditional injection technique caused and detects the difference problem, and full automation control can control a plurality of 2 injection moulding of mould, need not the manual work and close 2 feeding of mould.
The above is only the optional embodiment of the present invention, and not limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A precision injection system for injection molding of one or more liquid materials, the precision injection system comprising:
the mixer is provided with a containing cavity for containing the liquid material and enables the liquid material to be mixed in the containing cavity;
at least one mould is arranged and used for receiving the mixed liquid material and performing injection molding on the mixed liquid material;
the detector is arranged between the mixer and the mould, is provided with a quantitative space for containing the liquid material, and detects the flow of the liquid material flowing through the quantitative space;
and the controller is in communication connection with the detector, receives the signal of the detector and controls the circulation of the liquid material according to the signal.
2. The precision injection system of claim 1, wherein a pneumatic valve is further disposed between said mixer and said detector, said pneumatic valve being communicatively coupled to said controller; and/or the presence of a gas in the gas,
the mixer is also communicated with an injection machine, the injection machine is used for providing power for the liquid material to flow, and the injection machine is in communication connection with the controller.
3. The precision injection system of claim 1, wherein a delivery chamber is provided in the detector, two intermeshing gears are provided in the delivery chamber, and a gap between two teeth of the gears forms the dosing space.
4. The precision injection system of claim 3, wherein said detector further comprises a magnetic force sensor, wherein a magnet is disposed on each tooth of one of said gears, said magnet is inductively coupled to said magnetic force sensor, said magnetic force sensor generates a signal for each tooth position rotated by said gear, and said magnetic force sensor is in communication with said controller.
5. The precision injection system of claim 4, wherein the detector comprises a base and an upper cover which are hermetically connected, the gear is rotatably connected to the base, the conveying cavity is formed on a surface of the upper cover opposite to the base, the base is further provided with a feeding port and a discharging port which are communicated with the conveying cavity, and the magnetic sensor is arranged on the upper cover.
6. The precision injection system of claim 5, wherein a feed channel is communicated between the feed inlet and the conveying cavity, and a discharge channel is communicated between the discharge outlet and the conveying cavity; the feeding channel and the discharging channel respectively comprise a transverse channel and a vertical channel which are communicated with each other, and the vertical channel is close to the conveying cavity and is communicated with the conveying cavity; the vertical channels of the feeding channel and the discharging channel are respectively positioned at two sides of the connecting line of the axle centers of the two gears.
7. A precision injection system according to claim 4, wherein the axes of the two gears are arranged in parallel and/or the magnets are aligned with the direction of extension of the gear axes.
8. A precision injection system according to claim 3 wherein the gear teeth edges of the gear and both end faces of the gear are in contact with the inner wall of the delivery chamber.
9. The precision injection system of claim 1, wherein a distributor is further provided between said detector and said molds, said distributor having at least one delivery tube, each of said delivery tubes being connected to a corresponding one of said molds.
10. The precision injection system of claim 1, wherein a feed gun is connected to the mold, wherein a pneumatic shut-off gun valve is connected to the feed gun, and wherein the pneumatic shut-off gun valve is in communication with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361918.1U CN218462872U (en) | 2022-09-05 | 2022-09-05 | Precision injection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361918.1U CN218462872U (en) | 2022-09-05 | 2022-09-05 | Precision injection system |
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| CN218462872U true CN218462872U (en) | 2023-02-10 |
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| CN202222361918.1U Active CN218462872U (en) | 2022-09-05 | 2022-09-05 | Precision injection system |
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- 2022-09-05 CN CN202222361918.1U patent/CN218462872U/en active Active
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