TWI839730B - Rotary jet spinning machine - Google Patents

Abstract

A rotary jet spinning machine includes a box, a container, a driving device, a heating device, several jet devices, a thread collecting portion, a cover, and a temperature sensor. The box has an inner space. The container is disposed in the inner space and can hold a thread raw material. The driving device is connected to the container through a coupling, and can drive the container to rotate. The heating device is disposed around a side wall of the container, and can heat the thread raw material in the container. The jet device is inserted in the side wall of the container, and can inject the heated thread raw material to form several threads when the container rotates. The thread collecting portion is disposed in the inner space, and is disposed outside the container and the heating device. The cover is placed on the container. The cover has a through hole. The temperature sensor is disposed above the box, and can directly sense a temperature of the thread raw material through the through hole.

Description

Rotary Spinning Injection Machine

The present disclosure relates to a spinning technology, and in particular to a rotary spinning injection molding machine.

Spinning equipment is a device that uses molten material liquid to inject into filaments. Common spinning equipment includes electrostatic spinning machines and spinning boxes. The spinning principle of electrostatic spinning machines is to apply high voltage to the needle of the syringe pump so that the polymer solution in the needle is charged. Under the external electric field, the polymer solution generates a conical droplet Taylor cone filled with charges under the needle. As the voltage rises, the repulsive force generated between the charged polymer droplets overcomes the surface tension, causing the polymer droplets to spray toward the collector to form nanofibers. Electrostatic spinning machines have high conversion efficiency and can precisely control the diameter of the yarn, so they are currently the most frequently used equipment.

However, electrostatic spinning machines require a high voltage greater than 10kV, and the spinning material must be made of high dielectric material. In addition, the electrostatic spinning machine has a low yarn production rate, producing only about 0.2g of yarn per hour.

The spinning box is a commonly used equipment in the current textile industry. The working principle of the spinning box is to heat and extrude the polymer after drying, so that the polymer melt is extruded through the extruder, and then air-dried and cooled to form. The process method of the spinning box can be divided into dry spinning process and melt spinning process. The dry spinning process can be applied to many materials, but the output is lower. The melt spinning process requires a higher voltage drive and extremely high temperature, so the cost of machine design is also more expensive.

Therefore, one of the purposes of the present disclosure is to provide a rotary spinning injection machine that can drive a container containing a raw material of a yarn to rotate so as to produce a large amount of yarn through centrifugal force. Therefore, the rotary spinning injection machine has a greater advantage in production speed compared to many yarn injection equipment.

Another purpose of the present disclosure is to provide a rotary spinning injection molding machine, wherein the heating device can continuously and stably heat the wire material in the container, and the temperature sensor can continuously and directly sense the wire material in the container, thereby accurately controlling the temperature of the wire material in the container. In some examples, the DC motor can be used to effectively control the rotation speed of the container. Therefore, the wire of the required wire diameter can be smoothly produced.

Another object of the present disclosure is to provide a rotary spinning injection machine, which may include an evaporator disposed between a container and a filament collector to evaporate the solvent in the filaments ejected from the container, which is beneficial to the shaping of the filaments.

Another object of the present disclosure is to provide a rotary spinning injection molding machine, wherein the injection device can be screwed into the side wall of the container, so that the injection device with the required aperture can be quickly replaced according to the yarn diameter requirements.

Another object of the present disclosure is to provide a rotary spinning injection molding machine, the side wall of which has a slope design of the container, so that the overly viscous yarn raw material solution can be kept in the container and continue to be heated until the yarn raw material solution is heated to an appropriate temperature before the yarn is ejected. In some examples, the top of the side wall of the container can be provided with an annular groove, so that the yarn raw material solution with excessive fluidity can be retained to prevent residual liquid beads from being left on the ejected yarn. Therefore, the application of the rotary spinning injection molding machine disclosed in the present disclosure can improve the yarn quality.

According to the above-mentioned purpose of the present disclosure, a rotary spinning injection machine is proposed. This rotary spinning injection machine includes a housing, a container, a driving device, a heating device, a plurality of injection devices, a wire collection part, a cover, and a temperature sensor. The housing has an internal space. The container is arranged in the internal space and is configured to contain a wire material. The driving device is engaged with the container through a coupling and is configured to drive the container to rotate. The heating device is arranged around the side wall of the container and is configured to heat the wire material in the container. A plurality of injection devices are penetrated in the side wall of the container, wherein these injection devices are configured to eject the heated wire material when the container rotates to form a plurality of wires. The wire collection part is arranged in the internal space and is arranged outside the container and the heating device. The lid is disposed on the container, wherein the lid has a through hole. The temperature sensor is disposed above the box body and is configured to directly sense the temperature of the wire material through the through hole.

According to one embodiment of the present disclosure, the box body includes an outer cover disposed above the wire collecting portion, wherein the outer cover has an opening corresponding to a through hole, and the temperature sensor directly senses the temperature of the wire material through the opening and the through hole.

According to one embodiment of the present disclosure, the above-mentioned rotary spinning injection machine further includes a rotary frame mounted on the box body, wherein the temperature sensor is mounted on the rotary frame.

According to one embodiment of the present disclosure, the angle between the side wall of the container and the bottom surface of the container is about 5 degrees to about 45 degrees.

According to one embodiment of the present disclosure, an annular groove is provided at the top of the side wall of the container to capture the wire material toward the top.

According to one embodiment of the present disclosure, the heating device includes a lamp tube, which is configured to utilize light energy to heat the wire material in the container.

According to one embodiment of the present disclosure, the above-mentioned rotary spinning injection molding machine further includes a heat insulation cover, wherein the heat insulation cover is arranged outside the heating device to prevent the heat energy generated by the heating device from escaping.

According to one embodiment of the present disclosure, each of the above-mentioned injection devices has a threaded structure, and these injection devices are screwed into the side wall of the container.

According to one embodiment of the present disclosure, the above-mentioned wire collecting section includes a plurality of wire collectors, and these wire collectors are erected outside the container and the heating device.

According to one embodiment of the present disclosure, the above-mentioned rotary spinning injection molding machine further includes an evaporation device, wherein the evaporation device is arranged between the heating device and the yarn collector to evaporate the solvent in the yarn.

100: Rotary spinning injection machine

110: Cabinet

112:Inner space

114: Base plate

116: Outer cover

116a: Opening

116b:Handle

120:Container

122: Open mouth

124: Side wall

124s: screw hole

124t: Top

126: Bottom

128: Annular groove

130: Driving device

132: Drive shaft

140: Heating device

150: Injection device

152: ejection end

154:Connection terminal

156: Thread structure

160: Wire Gathering Department

162: Wire collector

164: Spacer

166: Gathering Space

170: lid

172:Through hole

180: Temperature sensor

190: coupling

200: Connectors

210: Support column

220: Outer cover

222:Through hole

230: Bearings

240: Heat shield

250: Rotating frame

252: First rod

254: Second rod

260: Evaporation device

A-A: Line

θ: angle of intersection

In order to make the above and other purposes, features, advantages and embodiments of the present disclosure more clearly understandable, the attached drawings are described as follows: [Figure 1] is a three-dimensional schematic diagram of a rotary spinning injection machine according to an embodiment of the present disclosure; [Figure 2] is a top view schematic diagram of a rotary spinning injection machine according to an embodiment of the present disclosure; [Figure 3] is a cross-sectional schematic diagram of the rotary spinning injection machine taken along the line A-A of Figure 2; and [Figure 4] is a partially enlarged cross-sectional schematic diagram of a rotary spinning injection machine according to an embodiment of the present disclosure.

While the thermoplastic material is rotating, the material solution can be injected into shape through the action of centrifugal force. When the material solution is injected into shape, the surface area of the body expands rapidly, resulting in an increase in the evaporation of water on the surface of the material, which can make the material appear in the form of threads. The change in the material form can give them a variety of application values. In addition to the common sugar threads that can be used to decorate the appearance of food, plastic thread products are more widely used in the fields of chemical industry, construction, textiles, garden protection, aquaculture, and breeding. Hydrogel threads also have many uses in medicine, such as wound healing, burn and scald tape, etc.

The inventors have found that the process window for the injection of some filament materials, such as thermoplastic materials, is very small. If the exact temperature of the filament material during the extraction period is unknown, the desired filament cannot be smoothly injected. In view of this, the present disclosure proposes a rotary spinning injection machine, whose heating device can continuously and stably heat the filament material in the container, and the temperature sensor can directly and continuously sense the temperature of the filament material in the container during the process. Therefore, the rotary spinning injection machine can adjust the heating temperature of the heating device immediately and quickly according to the sensed temperature of the filament material, so as to effectively regulate the temperature of the filament material, and thus can smoothly inject and obtain the desired filament.

Please refer to Figures 1 to 3, which respectively illustrate a three-dimensional schematic diagram and a top view schematic diagram of a rotary spinning injection machine according to an embodiment of the present disclosure, and a cross-sectional schematic diagram of the rotary spinning injection machine taken along line A-A of Figure 2. The rotary spinning injection machine 100 may mainly include a housing 110, a container 120, a driving device 130, a heating device 140, a plurality of injection devices 150, a filament collection unit 160, a cover 170, and a temperature sensor 180.

The box 110 has an inner space 112 to accommodate most components of the rotary spinning injection machine 100, such as a container 120, a driving device 130, a heating device 140, a plurality of injection devices 150, a wire collection unit 160, and a cover 170. The temperature sensor 180 is disposed on the box 110. The box 110 can be a three-dimensional structure of any suitable shape, such as a cube, a rectangle, a cylinder, etc.

The container 120 is disposed in the inner space 112 of the box 110. The container 120 has an opening 122 and can be used to contain a raw material of a filament. The raw material of the filament can be a thermoplastic material. Please refer to FIG. 4, which is a partially enlarged cross-sectional schematic diagram of a rotary spinning injection molding machine according to one embodiment of the present disclosure. When viewed from above, the shape of the container 120 can be, for example, circular. In other examples, the shape of the container 120 when viewed from above can be any suitable shape. In the example of FIG. 4, the container 120 is a circular cup-shaped body or a circular pot-shaped body.

The viscosity of the solution of the thread raw material will affect the quality of the ejected thread. Therefore, in some examples, the side wall 124 of the container 120 has a slope. That is, the side wall 124 is not perpendicular to the bottom surface 126 of the container 120, but is inclined outward. In some exemplary examples, the angle θ between the side wall 124 and the bottom surface 126 of the container 120 is about 5 degrees to about 45 degrees. The sloped side wall 124 of the container 120 can keep the overly viscous thread raw material solution in the container 120 for continuous heating, and when the thread raw material solution is heated to an appropriate temperature, it can be ejected from the container 120 to form a thread.

To further improve the quality of the wire, in some examples, the top 124t of the side wall 124 of the container 120 is provided with an annular groove 128. The annular groove 128 is provided around the entire top 124t and is recessed into the side wall 124, so that the annular groove 128 can capture the wire material flowing toward the top 124t. Since the wire material flowing to the top 124t of the side wall 124 when the container 120 rotates has a higher fluidity, the annular groove 128 can retain the wire material with excessive fluidity to prevent residual liquid beads on the wire formed by injection.

3 , the drive device 130 can be, for example, vertically inserted into the housing 110, and the drive shaft 132 of the drive device 130 is located in the inner space 112 of the housing 110. The drive device 130 can drive the container 120 to rotate. The drive device 130 can be, for example, a motor. In some exemplary examples, the drive device 130 is a low-vibration and high-speed motor. For example, the drive device 130 can be a DC rotary motor to accurately control the speed. The drive device 130 can be coupled to the container 120 via a coupling 190. Specifically, the coupling 190 is coupled between the drive shaft 132 of the drive device 130 and the container 120. In some exemplary embodiments, the rotary spinning machine 100 further includes a connector 200, which can connect the container 120 and the coupling 190. Therefore, the connector 200 can be regarded as an extension member of the coupling 190. The coupling 190 is used to connect the container 120 and the driving device 130, which can reduce shaking and avoid eccentricity when the driving device 130 is running.

In some examples, as shown in FIG. 3 , in order to make the rotation of the container 120 smoother and more stable, the rotary spinning injection molding machine 100 further includes a plurality of support columns 210, a housing 220, and one or more bearings 230. For example, the rotary spinning injection molding machine 100 includes three support columns 210. These support columns 210 can support the housing 220 in the inner space 112 of the box 110. Specifically, the opposite ends of each support column 210 are respectively disposed in the bottom plate 114 of the box 110 and the housing 220, and the housing 220 is supported above the bottom plate 114. These support columns 210 can be substantially parallel to the drive shaft 132 of the drive device 130, for example. In some exemplary examples, the support columns 210 are arranged in an equilateral triangle.

In some examples, the housing 220 has a through hole 222, wherein the through hole 222 passes through the housing 220. The connector 200 can be inserted into the through hole 222 of the housing 220, and the drive device 130 and the coupling 190 are both located below the housing 220. The bearing 230 can be disposed in the through hole 222 of the housing 220, so that the connector 200 can be engaged with the housing 220 through the bearing 230. The rotary spinning injection machine 100 can include two bearings 230, for example. By providing the support column 210, the outer cover 220, and the bearing 230, and by providing the connector 200 in the through hole 222 of the outer cover 220, the driving shaft 132 of the driving device 130 can drive the container 120 to rotate more stably through the coupling 190 and the connector 200.

In some examples, the heating device 140 is also disposed in the inner space 112 of the housing 110. The heating device 140 may be disposed, for example, around the side wall 124 of the container 120, that is, the heating device 140 may be in a ring shape. The heating device 140 may be fixed in the inner space 112 and separated from the container 120. The heating device 140 may not rotate with the rotation of the container 120. The heating device 140 may heat the thread material in the container 120 to make the thread material liquid and change the viscosity of the thread material solution. The heating device 140 of this embodiment is disposed separately from the rotating container 120, so that the rotation of the container 120 does not affect the generation of heat energy by the heating device 140. Therefore, compared with the design in which the heater is arranged in a rotating container and powered by a brush, the heating device 140 can continuously and stably heat the wire material in the container 120. The heating device 140 can include a lamp to use light energy to heat the wire material in the container 120. That is, the heating device 140 can use radiation energy to heat the wire material.

In some examples, as shown in FIG. 3 , the rotary spinning machine 100 further includes a heat shield 240. The heat shield 240 may be separated from the heating device 140 by a certain distance and may be disposed around the outside of the heating device 140 to prevent the heat energy generated by the heating device 140 from escaping. In the example where the heating device 140 includes a lamp tube, the heat shield 240 may be a reflective shield to reflect the radiant heat generated by the heating device 140 toward the container 120, thereby improving the heating efficiency of the heating device 140.

As shown in FIG. 4 , the ejection devices 150 are disposed in the side wall 124 of the container 120 and are in fluid communication with the container 120. For example, the ejection devices 150 may be adjacent to the top 124t of the side wall 124. In an example where the top 124t of the side wall 124 is provided with an annular groove 128, the ejection devices 150 are disposed under the annular groove 128 and may be adjacent to the annular groove 128. The ejection devices 150 may be disposed in the side wall 124 in an annular configuration and in an equidistant manner, for example. In some other examples, the ejection devices 150 may be disposed in the side wall 124 in an unequally spaced manner. The injection device 150 can be used to inject the heated wire material to form a plurality of wires when the container 120 rotates. Specifically, when the liquid wire material in the container 120 flows to the injection device 150 due to the centrifugal force generated by the rotation of the container 120, it can be injected through the injection device 150 to form wires. The injection device 150 can, for example, have a nozzle structure.

In some examples, the injection device 150 can be screwed into the side wall 124 of the container 120. For example, each injection device 150 has an ejection end 152 and a connection end 154 opposite to each other, and the connection end 154 of the injection device 150 has a threaded structure 156. On the other hand, the side wall 124 of the container 120 is drilled with a plurality of screw holes 124s. The number of screw holes 124s is the same as the number of injection devices 150, and the size of the screw holes 124s corresponds to the size of the threaded structure 156 of the injection device 150. Thereby, the injection device 150 can be screwed into the screw hole 124s of the side wall 124 using the threaded structure 156. In some exemplary examples, the injection device 150 can be selected as an extrusion head of a 3D printer. Since there are many aperture sizes available for the extrusion head of a 3D printer, it is easier to control the diameter of the wire. In some exemplary examples, the injection device 150 uses the extrusion head of a 3D printer, and the slope of the side wall 124 of the container 120 and the annular groove 128 design can keep the injection quality of the wire consistent.

Please continue to refer to FIG. 3 , the wire collecting section 160 is disposed in the inner space 112 of the box 110 and is located outside the container 120 and the heating device 140 to facilitate the collection of the wires ejected from the container 120. In some examples, the wire collecting section 160 includes a plurality of wire collectors 162. Each wire collector 162 may be a columnar structure, such as a cylindrical structure, an elliptical cylindrical structure, or a polygonal cylindrical structure. The wire collecting section 160 may further include a spacer 164. The spacer 164 is disposed in the inner space 112 of the box 110 and defines a wire collecting space 166 in the inner space 112. These wire collectors 162 are erected on the spacer 164 and are located in the wire collecting space 166 outside the container 120 and the heating device 140.

The distance between the wire collector 162 and the container 120 will affect the diameter of the wire. After the wire is ejected from the container 120, it is swung by the rotation of the container 120 until it hits the wire collector 162 and is collected by the wire collector 162. During the swung process, the force of the swung will produce a stretching effect on the wire itself. As the distance between the wire collector 162 and the container 120 increases, the wire has to be swung farther to reach the wire collector 162, so the wire is stretched for a longer time, making the wire diameter smaller, and vice versa. Therefore, by adjusting the distance between the wire collector 162 and the container 120, the wire diameter can be changed.

As shown in FIG. 3 , the lid 170 is placed on the container 120 to prevent the solution of the wire material from overflowing due to low viscosity or excessive rotation of the container 120. The lid 170 has a through hole 172, wherein the through hole 172 passes through the lid 170, so that the wire material in the container 120 can be seen from above the lid 170 through the through hole 172. The through hole 172 can be, for example, located in the central area of the lid 170.

The temperature sensor 180 is disposed above the housing 110 and can directly sense the temperature of the yarn material in the container 120 below through the through hole 172 of the cover 170. The temperature sensor 180 can be, for example, an infrared thermometer. In some examples, as shown in FIG. 1 and FIG. 2 , the rotary spinning injection machine 100 further includes a rotating frame 250 disposed on the housing 110, and the temperature sensor 180 is disposed on the rotating frame 250. Rotating the rotating frame 250 can move the temperature sensor 180 to directly above the through hole 172 of the cover 170 to sense the temperature of the heated yarn material through the through hole 172. In some exemplary examples, as shown in FIG. 3 , the rotating frame 250 includes a first rod 252 and a second rod 254. The first rod 252 can be, for example, vertically disposed on the housing 110 and can rotate on the housing 110. One end of the second rod 254 is engaged with the top of the first rod 252 and extends laterally from the first rod 252. The temperature sensor 180 is disposed at a suitable position of the second rod 254. When the first rod 252 rotates, it can drive the second rod 254 to rotate, and rotate the temperature sensor 180 to the position directly above the through hole 172.

In this embodiment, the temperature sensor 180 is independent of the container 120 and does not rotate with the rotation of the container 120. In addition, the temperature sensor 180 directly senses the temperature of the wire material in the container 120. Therefore, compared with the design in which the temperature sensor is arranged in a rotating container and senses the temperature of the container to indirectly sense the temperature of the wire material, the temperature sensor 180 can sense the temperature of the wire material instantly, stably, and accurately. In conjunction with the stable heating of the wire material by the heating device 140, the temperature of the wire material can be effectively controlled. Therefore, the rotary spinning injection machine 100 is suitable for injection spinning of various materials, especially for injection spinning of thermoplastic materials with a relatively small process window.

In some examples, as shown in FIG. 3 , the rotary spinning injection machine 100 further includes an evaporation device 260. The evaporation device 260 is disposed between the heating device 140 and the wire collector 162 to evaporate the solvent in the wire ejected from the container 120. The provision of the evaporation device 260 can accelerate the solidification and shaping of the wire. Therefore, the rotary spinning injection machine 100 is also very suitable for injection spinning of hydrogel materials. The evaporation device 260 can be, for example, a lamp to utilize radiation energy to heat the wire and evaporate the solvent in the wire.

In some examples, as shown in FIG. 2 and FIG. 3 , the housing 110 may include an outer cover 116. The outer cover 116 may be placed on top of the wire collecting portion 160. The outer cover 116 may have an opening 116a corresponding to the through hole 172 of the cover 170. Specifically, the opening 116a is located directly above the through hole 172. Looking down from the top of the housing 110, the wire material in the container 120 can be seen through the opening 116a and the through hole 172. Thereby, the temperature sensor 180 can directly sense the temperature of the wire material through the opening 116a and the through hole 172. In some exemplary examples, the outer cover 116 further includes one or more handles 116b. The handle 116b is located on the top surface of the outer cover 116. The handle 116b can be used to conveniently take and place the outer cover 116.

Since the temperature sensor 180 can accurately sense the temperature of the yarn material in real time, and the heating device 140 can stably supply heat, the rotation speed of the driving device 130 can be accurately controlled, so the rotary spinning injection machine 100 can improve the material conversion efficiency to achieve higher productivity and control the yarn shape by accurately controlling the heating temperature and the rotation speed of the container 120 according to the yarn material and its concentration changes. In addition, the injection device 150 can be replaced in real time, and the diameter of the ejected yarn can be changed through the special design of the orifice diameter size of the injection device 150 to further improve the quality of the yarn injection.

In addition, the rotary spinning injection machine 100 uses centrifugal force to eject liquid yarn raw materials. At the moment when the raw material solution becomes yarn, the surface area of the body increases, which can rapidly cool the surface of the yarn and turn it into a solid yarn. Therefore, the rotary spinning injection machine 100 has a greater advantage in production speed compared to many yarn injection equipment.

In one embodiment, a rotary spinning injection machine 100 is used to produce gelatin yarn. The temperature information sensed by the temperature sensor 180 is used to adjust the heating temperature of the heating device 140 and control the solution concentration of the yarn raw material to control the yarn injection state. In addition, the yarn diameter is adjusted by controlling the rotation speed of the driving device 130 and the aperture size of the injection device 150. The diameter of the gelatin yarn obtained after injection is about 40μm.

In another embodiment, a rotary spinning injection machine 100 is used to produce edible konjac yarn. Commercially available edible konjac contains a large amount of carrageenan, which has the property of solidifying when cold. Similarly, after controlling the heating temperature of the heating device 140, the solution concentration of the yarn raw material, the rotation speed of the driving device 130, and selecting the injection device 150 with the required aperture, the diameter of the obtained konjac yarn is about 60μm, and the diameter of the block area is about 250μm.

From the above implementation method, it can be seen that one advantage of the present disclosure is that the rotary spinning injection molding machine disclosed in the present disclosure can drive the container containing the filament raw material to rotate, so as to produce a large amount of filaments through centrifugal force. Therefore, the rotary spinning injection molding machine has a greater advantage in production speed compared to many filament injection equipment.

Another advantage of the present disclosure is that the heating device of the rotary spinning injection molding machine of the present disclosure can continuously and stably heat the wire material in the container, and the temperature sensor can continuously and directly sense the wire material in the container, thereby accurately controlling the temperature of the wire material in the container. In some examples, the DC motor can be used to effectively control the rotation speed of the container. Therefore, the wire of the required wire diameter can be smoothly produced.

Another advantage of the present disclosure is that the rotary spinning machine disclosed in the present disclosure may include an evaporator disposed between the container and the yarn collector to evaporate the solvent in the yarn ejected from the container, which is beneficial to the shaping of the yarn.

Another advantage of the present disclosure is that the injection device of the rotary spinning injection machine of the present disclosure can be installed in the side wall of the container in a screw connection manner, so the injection device with the required aperture can be quickly replaced according to the yarn diameter requirements.

Another advantage of the present disclosure is that the side wall of the container of the rotary spinning injection molding machine of the present disclosure has a slope design, so that the overly viscous yarn raw material solution can be kept in the container and continue to be heated until the yarn raw material solution is heated to an appropriate temperature before the yarn is ejected. In some examples, the top of the side wall of the container can be provided with an annular groove, so that the yarn raw material solution with excessive fluidity can be retained to prevent residual liquid beads from being left on the ejected yarn. Therefore, the application of the rotary spinning injection molding machine of the present disclosure can improve the yarn quality.

Although the present disclosure has been disclosed as above by way of embodiments, it is not intended to limit the present disclosure. Anyone with ordinary knowledge in this technical field can make various changes and modifications without departing from the spirit and scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the scope defined by the attached patent application.

100: Rotary spinning injection machine

110: Cabinet

112:Inner space

114: Base plate

116: Outer cover

116a: Opening

116b:Handle

120:Container

124: Side wall

130: Driving device

132: Drive shaft

140: Heating device

150: Injection device

160: Wire Gathering Department

162: Wire collector

164: Spacer

166: Gathering Space

170: lid

172:Through hole

180: Temperature sensor

190: coupling

200: Connectors

210: Support column

220: Outer cover

222:Through hole

230: Bearings

240: Heat shield

250: Rotating frame

252: First rod

254: Second rod

260: Evaporation device

Claims (10)

A rotary spinning injection molding machine comprises: a box having an internal space; a container disposed in the internal space and configured to contain a thread material; a driving device engaged with the container through a coupling and configured to drive the container to rotate; a heating device disposed around a side wall of the container and configured to heat the thread material in the container; a plurality of injection devices disposed through the side wall of the container, wherein the injection devices are configured to eject the heated thread material to form a plurality of threads when the container rotates; a thread collecting portion disposed in the internal space and disposed outside the container and the heating device; a cover disposed on the container, wherein the cover has a through hole; and A temperature sensor is disposed above the box and is configured to directly sense a temperature of the wire material through the through hole. The rotary spinning injection machine as described in claim 1, wherein the housing includes an outer cover, which is arranged above the wire collecting portion, wherein the outer cover has an opening corresponding to the through hole, and the temperature sensor directly senses the temperature of the wire material through the opening and the through hole. The rotary spinning injection molding machine as described in claim 1 further comprises a rotating frame disposed on the box body, wherein the temperature sensor is disposed on the rotating frame. A rotary spinning injection molding machine as described in claim 1, wherein an angle between the side wall of the container and a bottom surface of the container is 5 degrees to 45 degrees. A rotary spinning injection molding machine as described in claim 1, wherein a top portion of one of the side walls of the container is provided with an annular groove to capture the filament material toward the top portion. A rotary spinning injection molding machine as described in claim 1, wherein the heating device comprises a lamp tube configured to utilize light energy to heat the filament material in the container. The rotary spinning injection molding machine as described in claim 1 further comprises a heat shield, wherein the heat shield is arranged outside the heating device to prevent the heat energy generated by the heating device from escaping. A rotary spinning injection molding machine as described in claim 1, wherein each of the injection devices has a threaded structure and the injection devices are screwed into the side wall of the container. A rotary spinning injection machine as described in claim 1, wherein the wire collecting section includes a plurality of wire collectors, and the wire collectors are vertically arranged outside the container and the heating device. The rotary spinning injection molding machine as described in claim 9 further comprises an evaporation device, wherein the evaporation device is arranged between the heating device and the wire collectors to evaporate the solvent in the wires.

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