CN210174144U

CN210174144U - Device for online rheological measurement and online injection molding

Info

Publication number: CN210174144U
Application number: CN201920721694.6U
Authority: CN
Inventors: Xu Zhang; 张旭; Gang Jin; 晋刚; Zhitao Yang; 杨智涛; Jun Li; 李俊; Changren Qin; 覃昌壬
Original assignee: Guangzhou Huaxin Building Kezhi Technology Co Ltd
Current assignee: Guangzhou Huaxin Building Kezhi Technology Co Ltd; Guangzhou Huaxinke Intelligent Manufacturing Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-03-24
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a device for online rheological measurement and online moulding plastics, including rheological component and the subassembly of moulding plastics, rheological component includes feed cylinder, detector and promotion subassembly, and the subassembly of moulding plastics includes mould subassembly and first driving piece. When rheological analysis needs to be carried out, the pushing assembly is arranged at one end of the charging barrel, one end of the pushing assembly extends into the charging barrel from one end of the charging barrel, and the raw materials are pushed out from the other end of the charging barrel. And the detector measures the pressure of the raw materials in the extrusion process to realize the rheological analysis of the raw materials. When need moulding plastics, the mould subassembly sets up in the feed cylinder and keeps away from the one side that promotes the subassembly, and first driving piece drive mould subassembly moves towards the feed cylinder to make mould subassembly and feed cylinder butt joint. The pushing assembly pushes the raw material to be extruded into the die assembly from the other end of the charging barrel. And directly performing injection molding after rheological analysis, so that the material property of the sample strip obtained by injection molding is the same as or close to the test result, and the test result does not conform to the material property of the actual sample strip.

Description

Device for online rheological measurement and online injection molding

Technical Field

The utility model relates to an injection moulding equipment technical field especially relates to a device that is used for online rheological measurement and online moulding plastics.

Background

At present, a preparation method of a polymer test sample strip is to extrude the polymer test sample strip by an extruder, granulate and dry the polymer test sample strip, melt the material and then inject the melted material into an injection molding machine for testing the sample strip. When the rheological analysis is needed to be carried out on the material, the measurement analysis is carried out after the material is melted. Because the injection molding process and the rheological analysis process are independent, the actual measurement and analysis result is not consistent with the characteristics of the injection molded sample strip material.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a device for online rheological measurement and online injection molding, which is used to solve the problem that the results of actual measurement and analysis are not consistent with the characteristics of the injection molded sample strip material.

An apparatus for on-line rheological measurement and on-line injection molding, comprising:

a frame;

the rheological component is arranged on the rack and comprises a charging barrel, a detector and a pushing component, the charging barrel is provided with a feeding hole, the pushing component is arranged at one end of the charging barrel, one end of the pushing component can extend into the charging barrel from one end of the charging barrel, and the detector is arranged at the other end of the charging barrel; and

the injection molding assembly is arranged on the rack and comprises a mold assembly and a first driving piece, the mold assembly is arranged on the charging barrel and is far away from one side of the pushing assembly, and the first driving piece is used for driving the mold assembly to move towards the charging barrel and can be in butt joint with the charging barrel.

When the device for online rheological measurement and online injection molding is used, the rheological component and the injection molding component are both arranged on the rack, and the rheological component and the injection molding component are effectively supported by the rack. And feeding the melted raw materials into the charging barrel through a feeding hole of the charging barrel. When the raw materials need to be subjected to rheological analysis, the pushing assembly is arranged at one end of the charging barrel, so that one end of the pushing assembly extends into the charging barrel from one end of the charging barrel, and the pushing assembly pushes the raw materials to be extruded from the other end of the charging barrel. Further because the detector sets up in the other end of feed cylinder, can measure raw materials through the detector and extrude in-process pressure, and then be convenient for obtain the rheology of raw materials through known data, realize the rheology analysis of raw materials. The mould assembly is arranged on one side, away from the pushing assembly, of the charging barrel, and when injection molding is needed, the first driving piece drives the mould assembly to move towards the charging barrel, so that the mould assembly is in butt joint with the charging barrel. The one end of promotion subassembly is stretched into in the feed cylinder by the one end of feed cylinder to promote during the raw materials is extruded the mould subassembly by the other end of feed cylinder, mould plastics in the mould subassembly. In the injection molding process, the raw materials do not need to be extruded, granulated and dried again, and injection molding is carried out after secondary melting, so that the injection molding process is simple. And meanwhile, injection molding is directly carried out after rheological analysis, so that the characteristics of the sample strip or product obtained by injection molding are the same as or close to the test result, and the test result does not conform to the characteristics of the actual sample strip or product due to secondary treatment of raw materials.

The technical solution is further explained below:

in one embodiment, the die assembly further comprises a nozzle detachably arranged at one end of the barrel facing the die assembly, and the die assembly can be butted on the nozzle; or

The die is detachably arranged at one end, far away from the pushing assembly, of the charging barrel.

In one embodiment, if the nozzle is included, the outer wall of one end of the nozzle is provided with external threads, the inner wall of the other end of the material barrel is provided with internal threads, and the nozzle is arranged at the other end of the material barrel through threads;

if the charging barrel comprises the mouth die, an external thread is arranged on the outer wall of one end of the mouth die, an internal thread is arranged on the inner wall of the other end of the charging barrel, and the mouth die is arranged at the other end of the charging barrel through the thread.

In one embodiment, the mold assembly comprises a fixed mold plate, a movable mold plate and a mold, the fixed mold plate and the movable mold plate are arranged in a spaced and opposite mode, the mold is arranged between the fixed mold plate and the movable mold plate, and the fixed mold plate can be connected to the charging barrel in an abutting mode.

In one embodiment, the mold assembly further includes a second driving member, the mold is detachably disposed on the movable mold plate, and the second driving member is configured to drive the movable mold plate to drive the mold to move toward the fixed mold plate.

In one embodiment, a clamp is arranged on one side of the movable template facing the fixed template, and the clamp can clamp the mold on the movable template; or

A clamping groove is formed in one side, facing the fixed die plate, of the movable die plate, and the die can be clamped in the clamping groove.

In one embodiment, the frame includes a bottom plate and a bracket, the bracket is erected on the bottom plate, the first driving member is disposed on the bottom plate, and the rheological component is disposed on the bracket.

In one embodiment, the die assembly is arranged on the supporting plate, the first driving part comprises a first air cylinder, a cylinder body of the first air cylinder is arranged on the supporting plate, and a piston rod of the first air cylinder abuts against a bottom plate of the rack.

In one embodiment, the rack further comprises a guide member, the bracket stands on the bottom plate through the guide member, and the first driving member is used for driving the support plate to move along the guide member.

In one embodiment, the buffer is disposed between the supporting plate and the bottom plate.

Drawings

FIG. 1 is a side view of an apparatus for on-line rheological measurements and on-line injection molding in one embodiment;

FIG. 2 is a schematic view of the apparatus for on-line rheological measurement and on-line injection molding shown in FIG. 1, with an extruder omitted;

FIG. 3 is a front view of the apparatus for on-line rheological measurements and on-line injection molding shown in FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged view at B in fig. 4.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Referring to fig. 1 to 4, an embodiment of an apparatus 10 for on-line rheological measurement and on-line injection molding at least facilitates rheological measurement analysis and injection molding, and has a simple operation process, while avoiding a situation where an actual measurement analysis result does not match with the characteristics of an injection molded product or a sample strip material. Specifically, the apparatus 10 for on-line rheological measurement and on-line injection molding includes a rheological assembly 100 and an injection molding assembly 200.

The rheological component 100 includes a cylinder 110, a detector 120 and a pushing component 130, the cylinder 110 has a feeding hole 112, the pushing component 130 is disposed at one end of the cylinder 110, one end of the pushing component 130 can extend into the cylinder 110 from one end of the cylinder 110, and the detector 120 is disposed at the other end of the cylinder 110. The injection molding assembly 200 includes a mold assembly 210 and a first driving member 220, the mold assembly 210 is disposed on a side of the barrel 110 away from the pushing assembly 130, and the first driving member 220 is used for driving the mold assembly 210 to move toward the barrel 110 and can be abutted to the barrel 110.

In use, the apparatus 10 for on-line rheometry and on-line injection molding described above feeds molten raw material into the barrel 110 through the feed port 112 of the barrel 110. When the raw material needs to be subjected to rheological analysis, the pushing assembly 130 is arranged on one side of one end of the barrel 110, so that one end of the pushing assembly 130 extends into the barrel 110 from one end of the barrel 110, and the pushing assembly 130 pushes the raw material to be extruded from the other end of the barrel 110. Further, the detector 120 is disposed at the other end of the barrel 110, so that the pressure of the raw material during the extrusion process can be measured by the detector 120, and the rheological analysis of the raw material can be realized by obtaining the rheological property of the raw material according to known data. When injection molding is desired, first drive 220 drives mold assembly 210 toward cartridge 110 to interface mold assembly 210 with cartridge 110. One end of the pushing assembly 130 extends into the barrel 110 from one end of the barrel 110, and pushes the raw material extruded from the other end of the barrel 110 into the mold assembly 210, and the injection molding is performed in the mold assembly 210. In the injection molding process, the raw materials do not need to be extruded, granulated and dried again, and the injection molding is carried out after secondary melting, so that the injection molding process is simple. And meanwhile, injection molding is directly carried out after rheological analysis, so that the material characteristics of the sample strip or product obtained by injection molding are the same as or close to the test result, and the test result does not conform to the characteristics of the actual sample strip or product due to secondary treatment of raw materials.

In this embodiment, the apparatus 10 for online rheological measurement and online injection molding further includes a frame 300, and the rheological component 100 and the injection molding component 200 are both disposed on the frame 300. The support mounting platform can be provided by the frame 300 to position the rheological assembly 100 and the injection assembly 200.

Specifically, the frame 300 includes a bottom plate 310 and a bracket 320, the bracket 320 stands on the bottom plate 310, the first driving member 220 is disposed on the bottom plate 310, and the rheological component 100 is disposed on the bracket 320, so that the charging barrel 110 and the mold component 210 are disposed opposite to each other, and injection molding is facilitated.

In one embodiment, the first drive member 220 includes a first cylinder. The first cylinder pushes the mold assembly 210 to move closer to the barrel 110, thereby facilitating the mating of the mold assembly 210 with the barrel 110. Of course, in other embodiments, the first drive 220 may also be a lead screw and nut mechanism, a rack and pinion mechanism, or the like, as long as movement of the mold assembly 210 relative to the cartridge 110 is enabled.

In this embodiment, there are two first driving members 220, and the two first driving members 220 are disposed at intervals. The stability of the movement of the die assembly 210 relative to the cartridge 110 can be effectively improved by providing two first drives 220. In other embodiments, the first drive member 220 may be one or more, as long as it is effective to urge the die assembly 210 to move relative to the barrel 110.

In one embodiment, the apparatus 10 for online rheometry and online injection molding further includes a supporting plate 330, the mold assembly 210 is disposed on the supporting plate 330, and the first driving member 220 pushes the supporting plate 330 to move, thereby moving the mold assembly 210.

Specifically, the frame 300 further includes a guide 350, the bracket 320 stands on the base plate 310 through the guide 350, and the first driving member 220 is used to drive the supporting plate 330 to move along the guide 350. The mating of the mold assembly 200 to the cartridge 110 is further facilitated by the provision of the guide 350 that provides a guide for the movement of the support plate 330.

Furthermore, the supporting plate 330 is provided with a through hole, and the guiding element 350 is arranged in the through hole in a penetrating manner, so that the supporting plate 330 can effectively move along the guiding element 350.

Optionally, when the first driving member 220 includes a first cylinder, a cylinder body of the first cylinder is disposed on the supporting plate 330, and a piston rod of the first cylinder abuts against the bottom plate 310 of the frame 300, so that the supporting plate 330 can be effectively pushed to move by the first cylinder. Meanwhile, the cylinder body of the first cylinder is arranged on the supporting plate 330, so that the height of the device 10 for online rheological measurement and online injection molding can be effectively reduced, and the occupation of the space of the device 10 for online rheological measurement and online injection molding is reduced.

In one embodiment, the apparatus 10 for online rheometry and online injection molding further comprises a buffer 340, and the buffer 340 is disposed between the supporting plate 330 and the bottom plate 310. The buffer 340 can effectively prevent the supporting plate 330 from colliding with the bottom plate 310, thereby effectively protecting the mold assembly 210 disposed on the supporting plate 330. Specifically, the damper 340 is a cylinder damper. Of course, in other embodiments, the buffer 340 may also be a spring, a cushion pad, etc., as long as it can perform an effective buffering function.

Referring to fig. 4, in an embodiment, the mold assembly 210 includes a fixed mold plate 211, a movable mold plate 212 and a mold 213, the fixed mold plate 211 and the movable mold plate 212 are disposed opposite to each other at an interval, the mold 213 is disposed between the fixed mold plate 211 and the movable mold plate 212, and the fixed mold plate 211 can be abutted to the barrel 110. The charging barrel 110 is conveniently butted through the fixed die plate 211, the die 213 is conveniently butted on the fixed die plate 211 through the movable die plate 212, and then raw materials in the charging barrel 110 conveniently enter the die 213 through the fixed die plate 211.

Specifically, the fixed die plate 211 is provided with a first pouring port, one side of the die 213 facing the fixed die plate 211 is provided with a second pouring port, and the second pouring port can be correspondingly communicated. The first gate can be in corresponding communication with the cartridge 110. The raw material in the barrel 110 can be injected into the mold 213 through the first gate and the second gate.

Further, a sprue bush 214 is provided in the first sprue, and the sprue bush 214 is provided toward a side of the barrel 110. The docking of the stationary platen 211 with the barrel 110 is facilitated by the provision of a sprue bush 214.

In one embodiment, the mold 213 is detachably disposed on the movable platen 212. The mold 213 is detached from the movable mold plate 212, so that different molds 213 can be replaced conveniently to meet different injection molding requirements.

Specifically, the movable die plate 212 is provided with a jig on a side facing the fixed die plate 211, and the jig can clamp the die 213 on the movable die plate 212. In other embodiments, the movable mold plate 212 has a slot on a side facing the fixed mold plate 211, and the mold 213 can be clamped in the slot.

In this embodiment, the mold 213 is used for injection molding to form test bars. In other embodiments, the mold 213 may also be used to injection mold other products.

In one embodiment, the mold assembly 210 further includes a second driving member 215, and the second driving member 215 is used for driving the movable mold plate 212 to move the mold 213 toward the fixed mold plate 211. Through setting up second driving piece 215 can make mould 213 effectively to fixed die plate 211, and then make first sprue effectively communicate with the second sprue.

Specifically, the second driving member 215 includes a driving source 216, a crank 217 and a connecting rod 218, one end of the connecting rod 218 is hinged to the crank 217, the other end of the connecting rod 218 is hinged to the movable die plate 212, and the driving source 216 is used for driving the crank 217 to rotate. The driving source 216 drives the crank 217 to rotate, so that the connecting rod 218 can drive the movable die plate 212 and the die 213 to move. Of course, in other embodiments, the driving source 216 can also directly push the movable mold plate 212 to move the mold 213.

Further, the injection molding assembly 200 further includes a guide rod 230, one end of the guide rod 230 is disposed on the support plate 330, the other end is disposed on the fixed mold plate 211, and one end of the guide rod 230 passes through the movable mold plate 212. The guide bars 230 are provided to enable the movable die plate 212 to effectively move along the guide bars 230, thereby enabling the die 213 to be more stably butted against the fixed die plate 211.

In this embodiment, the second driving member 215 further includes a rotating shaft 219, the connecting rod 218 is disposed on the crank 217 through the rotating shaft 219, one end of the crank 217 far from the connecting rod 218 is hinged to the supporting plate 330, one end of the driving source 216 is hinged to the supporting plate 330, and the other end is used for pushing the rotating shaft 219 to move. During the driving source 216 pushes the rotation shaft 219, the crank 217 rotates relative to the support plate 330. Meanwhile, due to the rotation of the crank 217, the movable platen 212 is pushed to move by the connecting rod 218, and the driving source 216 is rotated relative to the supporting plate 330. By the second driving member 215, the driving source 216 is prevented from directly pushing the movable die plate 212 to move, and the driving source 216 can be prevented from increasing the height of the apparatus 10 for online rheological measurement and online injection molding.

Of course, in other embodiments, the second driving member 215 may also be a rack and pinion mechanism, a lead screw nut mechanism, etc., as long as the movable mold plate 212 can be effectively driven to move the mold 213 toward the fixed mold plate 211.

Referring also to fig. 5, in one embodiment, the apparatus 10 for online rheometry and online injection molding during injection molding further includes a nozzle 400, the nozzle 400 is detachably disposed at an end of the barrel 110 facing the mold assembly 210, and the mold assembly 210 can be butted against the nozzle 400. Can make things convenient for the fixed die plate 211 to dock in feed cylinder 110 through setting up nozzle 400, effectively improve the stability of fixed die plate 211 and feed cylinder 110 butt joint.

Specifically, the other end of the nozzle 400 can be inserted into the sprue bush 214 on the fixed die plate 211, so that the raw material in the barrel 110 can effectively pass through the nozzle 400 and enter the die 213 through the fixed die plate 211.

In one embodiment, the nozzle 400 is provided with external threads on an outer wall of one end thereof, and internal threads on an inner wall of the other end of the cartridge 110, and the nozzle 400 is threadedly mounted to the other end of the cartridge 110. The nozzle 400 is easily attached to and detached from the cartridge 110 by providing threads.

In another embodiment, the nozzle 400 may also be pinned to the other end of the cartridge 110 or snapped to the other end of the cartridge 110, so long as the nozzle 400 is removably attached to the cartridge 110.

Further, the outer wall of the other end of the nozzle 400 encloses a polygonal structure. The nozzle 400 is conveniently screwed by the polygonal structure, and thus the nozzle 400 is conveniently mounted on the cartridge 110 or dismounted from the cartridge 110.

In another embodiment, when the raw material needs to be analyzed, the apparatus 10 for online rheometry and online injection molding further includes a die, and the die is detachably disposed at one end of the barrel 110 away from the pushing assembly 130. The rheological measurement is conveniently carried out by arranging the mouth mold, and the rheological analysis is further realized. Because the neck ring mold is detachably arranged on the charging barrel 110, the neck ring mold is detachably arranged on the charging barrel 110 through the nozzle 400, and then the switching between the rheological measurement and the injection molding is conveniently realized. In this embodiment, the die is a capillary die.

In one embodiment, the outer wall of one end of the die is provided with an external thread, the inner wall of the other end of the cylinder 110 is provided with an internal thread, and the die is arranged at the other end of the cylinder 110 through the threads. The detachable connection of the die to the cartridge 110 is conveniently achieved by a threaded connection.

In other embodiments, the mouthpiece may be fixed to the other end of the cartridge 110 by a pin, or may be clamped to the other end of the cartridge 110, as long as the detachable connection of the mouthpiece to the cartridge 110 is achieved.

Referring again to fig. 2 to 4, in one embodiment, the pushing assembly 130 includes a pushing source 131, a pushing member 132 and a guiding pillar 133, the guiding pillar 133 is disposed in parallel with the barrel 110, and the pushing source 131 is used for driving the pushing member 132 to move along the guiding pillar 133, so that the pushing member 132 can extend into the barrel 110. The provision of the guide post 133 enables the pusher member 132 to effectively extend into the cartridge 110 and push the material in the cartridge 110.

In the embodiment, the pushing source 131 includes a motor 134 and a transmission member, and the motor 134 drives the transmission member to move the pushing member 132. In other embodiments, the pushing source 131 may also be a cylinder through which the pushing member 132 is moved.

Specifically, the transmission member includes a supporting seat 135, a lead screw 136 and a slider 137, and the motor 134 is disposed on the supporting seat 135 and drives the lead screw 136 to rotate through the supporting seat 135. The pushing member 132 is disposed on the sliding block 137, and the motor 134 drives the lead screw 136 to rotate, so that the sliding block 137 drives the pushing member 132 to move relative to the lead screw 136.

Further, the guide post 133 further penetrates through the sliding block 137, so that the sliding block 137 can drive the pushing member 132 to effectively move along the guide post 133, and the moving stability of the pushing member 132 is improved. Alternatively, the guide post 133 further passes through the pushing member 132, so that the pushing member 132 can effectively move along the guide post 133.

Alternatively, one end of the guiding post 133 is disposed on the bracket 320, and the other end is disposed on the supporting seat 135. The guide posts 133 not only can play an effective guiding role, but also can further effectively support the supporting seat 135 through the guide posts 133.

In this embodiment, there are two guide posts 133, two guide posts 133 are disposed at intervals, and both guide posts 133 penetrate through the sliding block 137. The stability of the movement of the slider 137 can be effectively improved by providing the two guide posts 133. In other embodiments, one or more guide posts 133 may be provided to effectively guide the pushing member 132 into the cartridge 110, thereby improving the stability of the movement of the pushing member 132.

In one embodiment, the rheological assembly 100 further includes two limit switches 140 disposed at intervals, the two limit switches 140 are disposed at intervals on the guide post 133, and the sliding block 137 is disposed between the two limit switches 140. Limit switch 140 is electrically connected to motor 134. The limit switch 140 can effectively control the range of the pushing piece 132 driven by the sliding block 137.

In one embodiment, an electronic ruler 150 is further disposed on one side of the sliding block 137, and the electronic ruler 150 and the sliding block 137 are disposed in parallel. The position of the sliding block 137 and the position of the pushing member 132 can be effectively judged through the electronic ruler 150, so that the length of the pushing member 132 extending into the material barrel 110 can be conveniently pushed out.

Specifically, the electronic ruler 150 is disposed on the guide post 133, so that the position of the slider 137 can be more conveniently determined. Alternatively, one end of the electronic ruler 150 is disposed on the supporting base 135 and is located at one side of the sliding block 137.

Referring again to fig. 1, in one embodiment, the apparatus 10 for online rheological measurement and online injection molding further includes an extruder 500 and a driving pump 510, wherein the extruder 500 is disposed at the feeding hole 112 of the barrel 110 through the driving pump 510. The raw materials are conveniently melted by the extruder 500 and fed into the barrel 110. The feed material is powered into the barrel 110 by driving the pump 510.

In this embodiment, the drive pump 510 is a melt pump. The melt pump can efficiently feed the molten raw material into the barrel 110. In other embodiments, the drive pump 510 may have other pump body configurations as long as it is capable of providing power for the delivery of the raw materials into the cartridge 110.

Optionally, the apparatus 10 for online rheological measurement and online injection molding further comprises a shut-off valve 520, the shut-off valve 520 being disposed between the extruder 500 and the drive pump 510, or the shut-off valve 520 being disposed between the drive pump 510 and the barrel 110. The on-off of raw material conveying can be effectively controlled by arranging the stop valve 520.

In this embodiment, the stop valve 520 is an electric stop valve, which can effectively improve the control efficiency and control accuracy of the on/off of the raw material transportation. In other embodiments, the shut-off valve 520 may also be a manual shut-off valve.

In this example, the starting material was a polymer, and test specimens were formed by injection molding. The device 10 for online rheological measurement and online injection molding can effectively realize rheological measurement of polymers, simultaneously avoids secondary processing of the polymers, influences material characteristics such as shear rate, stress and the like of the polymers, and effectively ensures that a test sample strip formed by injection molding is consistent with the material characteristics of a product processed in practice or the test sample strip is closest to the material characteristics of the product processed in practice. The rheological test and injection molding process is also made simpler by the above-described apparatus 10 for online rheological measurement and online injection molding.

The device 10 for online rheological measurement and online injection molding can also be directly applied to an injection molding production line, so that online rheological analysis and online injection molding are realized, and the adaptability of the device 10 for online rheological measurement and online injection molding is effectively improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An apparatus for on-line rheological measurement and on-line injection molding, comprising:

a frame;

2. The apparatus for online rheological measurement and online injection molding of claim 1 further comprising a nozzle removably disposed at an end of the barrel facing the mold assembly, the mold assembly being dockable with the nozzle; or

3. The apparatus for on-line rheological measurement and on-line injection molding according to claim 2, wherein if the nozzle is included, the outer wall of one end of the nozzle is provided with external threads, the inner wall of the other end of the barrel is provided with internal threads, and the nozzle is arranged on the other end of the barrel through threads;

4. The apparatus for on-line rheological measurement and on-line injection molding according to any one of claims 1 to 3, wherein the mold assembly comprises a fixed mold plate, a movable mold plate and a mold, the fixed mold plate and the movable mold plate are oppositely arranged at a certain interval, the mold is arranged between the fixed mold plate and the movable mold plate, and the fixed mold plate can be butted with the charging barrel.

5. The apparatus for online rheometry and online injection molding according to claim 4, wherein the mold assembly further includes a second driving member, the mold is detachably disposed on the movable mold plate, and the second driving member is configured to drive the movable mold plate to drive the mold to move toward the fixed mold plate.

6. The apparatus for online rheometry and online injection molding according to claim 5, wherein a clamp is provided on a side of the movable die plate facing the fixed die plate, the clamp being capable of clamping the mold on the movable die plate; or

7. The apparatus of any one of claims 1-3, wherein the frame comprises a base plate and a bracket, the bracket is standing on the base plate, the first driving member is disposed on the base plate, and the rheological component is disposed on the bracket.

8. The apparatus of claim 7, further comprising a supporting plate, wherein the mold assembly is disposed on the supporting plate, the first driving member comprises a first cylinder, a cylinder body of the first cylinder is disposed on the supporting plate, and a piston rod of the first cylinder abuts against a bottom plate of the frame.

9. The apparatus of claim 8, wherein the frame further comprises a guide member, the support stand is standing on the base plate via the guide member, and the first driving member is configured to drive the support plate to move along the guide member.

10. The apparatus of claim 8, further comprising a buffer disposed between the support plate and the base plate.