A fully automatic plasticizing powder filling and conveying system and a conveying method thereof

Abstract

The present application relates to the technical field of automatic powder material conveying, and in particular to a full-automatic plasticized powder filling and conveying system and a conveying method thereof. The system comprises a filling and cleaning unit, a horizontal conveying unit, the filling and cleaning unit being arranged at one end of the horizontal conveying unit; the horizontal conveying unit comprising a first conveying line and a second conveying line; a lifting unit comprising a first lifting device and a second lifting device, the first lifting device and the second lifting device being respectively arranged at two ends of the horizontal conveying unit; a plurality of circulating carriers circulating in the horizontal conveying unit and the lifting unit; a heating unit for heating a shell; a shell pushing-out machine for pushing the heated shell out to the circulating carriers; a feeding unit arranged between the shell pushing-out machine and the heating device for transferring the shells to be filled; and a discharging unit arranged at one side of the horizontal conveying unit for transferring the shell products. The full-automatic processing can improve the production efficiency, shorten the production cycle and save the labor cost.

Description

Technical Field

[0001] This invention relates to the field of automated powder material conveying technology, and in particular to a fully automated plastic powder filling and conveying system and its conveying method. Background Technology

[0002] In the fields of chemical, pharmaceutical, food and new materials, plastic powders (such as PVC plastic powder, epoxy resin powder, etc.) are an important basic raw material. The level of automation in their filling process is directly related to product quality, production efficiency and production cost.

[0003] Currently, the filling and conveying processes in this field, both in terms of equipment and methods, suffer from the following limitations:

[0004] 1. Process isolation hinders full-process automation: While traditional linear production lines or rotary equipment can achieve single-point automation (such as automatic filling), they struggle to efficiently and compactly integrate preheating before filling and precision cleaning after filling, such as residue removal and screw cleaning, among other necessary processes. "Breakpoints" often exist between processes, requiring manual handling or additional, asynchronous transfer mechanisms, resulting in lengthy production lines, uncoordinated cycle times, and an inability to form a seamless, complete closed loop.

[0005] 2. At the equipment and system level: Many enterprises still use semi-automated or manually-driven production models. There is a lack of organic integration between filling and conveying units, often creating "automation islands." The conveying process relies on handcarts, forklifts, or simple, single-function conveyor belts, making continuous flow between workstations impossible.

[0006] 3. Disordered flow method: Due to the randomness of manual handling, the shell lacks unified posture control and path management during the transportation process, resulting in the product's position and orientation being chaotic when it arrives at the subsequent automated work station, which seriously interferes with the execution of the next process and may even lead to process interruption.

[0007] Therefore, this invention proposes a fully automated plastic powder filling and conveying system and its conveying method, which can achieve the goals of improving production efficiency, shortening the production cycle, saving labor costs, and achieving fully automated production. Summary of the Invention

[0008] The purpose of this invention is to solve the problems existing in the prior art by proposing a fully automatic plastic powder filling and conveying system and its conveying method.

[0009] To achieve the above objectives, the present invention adopts the following technical solution: including:

[0010] The filling and cleaning unit includes a support frame, a filling station, a residual material cleaning station, and a screw cleaning station; the filling station, the residual material cleaning station, and the screw cleaning station are sequentially and fixedly connected to the support frame.

[0011] A horizontal conveying unit is arranged perpendicularly to the filling and cleaning unit, with the filling and cleaning unit located at one end of the horizontal conveying unit. The horizontal conveying unit includes a first conveying line and a second conveying line. The first conveying line is used to convey idle shells into the filling station, the residual material cleaning station, and the screw cleaning station in sequence. The second conveying line is used to convey finished shells.

[0012] The first and second conveyor lines have identical structures and are arranged parallel to each other in the longitudinal direction.

[0013] The first conveyor line and the second conveyor line are respectively equipped with a first drive assembly and a second drive assembly;

[0014] The lifting unit includes a first lifting device and a second lifting device, which are respectively located at both ends of the horizontal conveying unit. The first lifting device is used to transfer the finished shell from the first conveying line to the second conveying line, and the second lifting device is used to transfer the circulating carrier to the first conveying line.

[0015] Multiple circulating carriers, each circulating carrier includes a tooling base plate, with arc-shaped clamps fixedly installed on both sides of the top surface of the tooling base plate, and protective bushings fixedly connected inside the arc-shaped clamps. Multiple rubber columns are provided at the front end of the tooling base plate.

[0016] The heating unit includes a shell ejector and a heating device; the heating device is used to heat the shell, and the shell ejector is used to eject the heated shell to the circulating carrier;

[0017] The feeding unit includes a feeding trolley, which is located between the shell ejector and the heating device and is used to transfer the shells to be filled.

[0018] The unloading unit is located on one side of the horizontal conveying unit and is used to transfer the finished shell.

[0019] Preferably, both the residual material cleaning station and the screw cleaning station at the filling station include a clamping cylinder. The output end of the clamping cylinder is connected to a sliding positioning plate. The sliding positioning plate is L-shaped. A front sleeve is fixed to the lower inner side of the sliding positioning plate. A rear top sleeve is correspondingly provided on the working surface of the front sleeve. A transmission rod is connected to the end of the rear top sleeve. A T-shaped connecting plate is connected to the rear end of the transmission rod. The upper surface of the T-shaped connecting plate and the upper surface of the sliding positioning plate are slidably connected to the support frame through the same slide rail slider pair.

[0020] Preferably, the filling station also includes a hexagonal transmission rod, one end of which is connected to the rear of the transmission rod, and the other end passes through the support frame. After the hexagonal transmission rod passes through the support frame, it is connected to a driven synchronous pulley. The driven synchronous pulley is connected to a driving synchronous pulley via a synchronous belt. The driving synchronous pulley is connected to the output end of the filling motor.

[0021] Preferably, the residual material cleaning station also includes a residual material cleaning motor, and a rotating scraper is rotatably connected to the output end of the residual material cleaning motor;

[0022] The thread cleaning station also includes a thread cleaning motor, and the output end of the thread cleaning motor is rotatably connected to a flexible thread cleaning device;

[0023] The residual material cleaning motor and the screw cleaning motor are respectively fixed to one side of the support frame by mounting brackets.

[0024] Preferably, the horizontal conveying unit further includes a frame, with the first conveyor line and the second conveyor line fixed inside the frame, and the circulating carrier slidably connected to the first conveyor line and the second conveyor line respectively;

[0025] The first conveyor line has a housing loading station near the second lifting device, and the second conveyor line has a finished product ejection station near the second lifting device. The finished product ejection station is equipped with a corresponding finished product ejection cylinder to work together.

[0026] The first and second conveyor lines are linear guide rail mechanisms.

[0027] Preferably, the first conveyor line and the second conveyor line have the same structure and are arranged parallel in the longitudinal direction. The first conveyor line is located above the second conveyor line. The first conveyor line includes a set of symmetrical first guide rails and a set of symmetrical side guide rails. The circulating carrier is slidably connected to the set of first guide rails through a slider. The bottom of the circulating carrier is movably connected to the output end of the first drive component. The first drive component is slidably connected to the set of side guide rails.

[0028] The second conveyor line also has a second drive assembly sliding on the side guide rail. The circulating carrier is movably connected to the output end of the second drive assembly, and the second drive assembly is slidably connected to the side guide rail.

[0029] The first drive assembly and the second drive assembly have the same structure. The first drive assembly includes a first hydraulic motor, which is fixed to the frame via a bearing seat. The output end of the first hydraulic motor is rotatably connected to a slotting drive wheel. The slotting drive wheel is connected to a slotting driven wheel assembly via a slotting timing belt. The slotting driven wheel assembly is fixed to the other end of the frame. The slotting timing belt is fixedly connected to the slot via a timing belt pressure plate. A first housing positioning cylinder is fixed inside the slot. First sliders are connected to the two outer sides of the slot. The first sliders slide on the symmetrical side guide rails. The output ends of the first housing positioning cylinder and the second housing positioning cylinder extend into the positioning holes in the tooling base plate.

[0030] Preferably, the first lifting device and the second lifting device have the same structure. The first lifting device includes a lifting base plate, and guide plates are fixedly connected to the lower planes on both sides of the lifting base plate. The guide plates are connected to the output end of the lifting cylinder, and the lifting cylinder is fixed to the end of the frame.

[0031] The lifting base plate is equipped with sliding guide rails on both sides, and the sliding guide rails slide in conjunction with the circulating carrier to transfer the housing.

[0032] A mounting frame is fixed to the end of the lifting base away from the first conveyor line. The mounting frame is fixedly connected to a moving cylinder. The output end of the moving cylinder is connected to two clamps, which are close to or far apart from each other.

[0033] Preferably, both the loading unit and the unloading unit include a ground rail fixture, which slides on two support rails. The two support rails are fixed to the upper plane of the ground rail mounting frame, and one end of the ground rail fixture is connected to the output end of the ground rail cylinder.

[0034] The loading unit also includes a loading trolley, with a trolley slide at the bottom. The trolley slide is detachably connected to the ground rail fixture, and multiple V-shaped frames are installed on the top of the loading trolley.

[0035] The unloading unit also includes an unloading trolley, with a second trolley slide at the bottom of the unloading trolley. The second trolley slide is detachably connected to the ground rail fixture, and multiple V-shaped frames are provided on the top of the unloading trolley.

[0036] The height of the loading trolley is higher than that of the unloading trolley.

[0037] Preferably, a conveying method includes the above-described fully automated plastic powder filling and conveying system, comprising the following steps:

[0038] S1. System initialization: Arrange the unloaded circulating carriers at the shell loading station, filling station, residual material cleaning station and screw cleaning station respectively;

[0039] S2, Shell loading: The shell ejector pushes the shell located in the shell loading station into the circulating carrier;

[0040] S3. Filling Start and Circulating Carrier Cycle: The first drive component transfers the circulating carrier carrying the shell to the filling station for filling; the circulating carrier entering the filling station simultaneously pushes the circulating carrier originally located at the filling station to the residual material cleaning station, and pushes the circulating carrier originally located at the residual material cleaning station to the screw cleaning station.

[0041] S4. The first drive assembly returns to the housing loading station, waiting to be transferred to the next circulating carrier;

[0042] S5. At the same time, the first lifting device transfers the circulating carrier located at the screw cleaning station to the second conveyor line, and the second drive assembly transports this circulating carrier to the finished product ejection station.

[0043] S6. The second drive assembly returns to the end of the second conveyor line near the first lifting device, waiting to be transferred to the next circulating carrier to the finished product ejection station;

[0044] S7, Finished product ejection cylinder ejects finished product;

[0045] S8. The second lifting device transfers the empty circulating carrier on the finished product ejection station to the shell loading station.

[0046] S9. Repeat steps S2-S8 to make multiple circulating carriers form a closed loop path on the first and second conveyor lines and run in a loop until all filling operations are completed.

[0047] Preferably, S1 further includes S11, in which the shell ejector pushes the shell in the loading trolley into the heating device, and the shell ejector then pushes the shell heated by the heating device into the circulating carrier located at the shell loading station;

[0048] S3 also includes S31, a residual material cleaning station and a screw hole cleaning station. When a shell is sensed, the residual material cleaning station and the screw hole cleaning station perform cleaning actions.

[0049] S5 also includes S51, which executes the ejection action when the finished product ejection cylinder senses the presence of the housing;

[0050] In S7, the finished product is pushed to the unloading unit.

[0051] Compared with existing technologies, the fully automated plastic powder filling and conveying system and its conveying method provided by the present invention have the following advantages:

[0052] 1. By using multiple circulating carriers in a closed loop, multiple processes such as "shell loading, heating, filling, residual material cleaning, screw cleaning, and finished product ejection" can be executed in parallel on the same timeline. This completely eliminates the waiting time between processes, upgrading the traditional "step-by-step" production to "flow-type" continuous production, and doubling the equipment utilization rate and overall capacity;

[0053] 2. Seamless connection, eliminating breakpoints: This method integrates multiple independent processing units into an organic whole, realizing unmanned automatic connection of the entire process from the loading of the empty shell to the unloading of the finished product, fundamentally solving the problem of "automation islands";

[0054] 3. Parameterized process parameters ensure consistent and stable quality: Key process parameters such as heating, filling, and cleaning are all fixed in the equipment control system and executed automatically by the machine, completely eliminating quality fluctuations caused by human operation and ensuring high consistency of each batch of products.

[0055] 4. Adaptive propulsion and streamlined structure: The circulating carriers entering the filling station naturally propel other circulating carriers forward, which greatly simplifies the number of drive mechanisms in the conveying system. This not only reduces costs but also improves the system's reliability and response speed due to its purely mechanical linkage characteristics.

[0056] 5. Compact layout and space saving: The horizontal conveying unit and the filling and cleaning unit are arranged in an interleaved manner. The horizontal conveying unit is divided into upper and lower layers, which makes the structure more compact and occupies less space. Attached Figure Description

[0057] Figure 1 This is a schematic diagram of the overall conveyor line of the present invention;

[0058] Figure 2 This is a schematic diagram of the filling and cleaning unit of the present invention;

[0059] Figure 3 for Figure 2 Top view diagram;

[0060] Figure 4 This is a schematic diagram of the filling and cleaning unit from another perspective.

[0061] Figure 5 A schematic diagram of the combination of the sliding positioning plate and the front sleeve of the filling and cleaning unit;

[0062] Figure 6 A top view of the combination of horizontal conveyor unit, lifting unit and circulating vehicle;

[0063] Figure 7 This is a three-dimensional schematic diagram of the horizontal conveyor unit;

[0064] Figure 8 for Figure 7 Side view;

[0065] Figure 9 This is a partial schematic diagram of the horizontal conveying unit;

[0066] Figure 10 This is a three-dimensional schematic diagram of the first drive component;

[0067] Figure 11 This is a three-dimensional schematic diagram of the first lifting device;

[0068] Figure 12 This is a three-dimensional schematic diagram of a cyclic vehicle;

[0069] Figure 13 This is a three-dimensional schematic diagram of a cyclic vehicle in another embodiment;

[0070] Figure 14 This is a three-dimensional schematic diagram of the heating device;

[0071] Figure 15 A three-dimensional schematic diagram of the shell ejection machine;

[0072] Figure 16 A cross-sectional view of the shell ejection mechanism;

[0073] Figure 17 This is a partial top view of the horizontal conveying unit, the loading unit, and the unloading unit.

[0074] Figure 18 This is a schematic diagram of the feeding unit;

[0075] Figure 19 This is a schematic diagram of the ground rail fixture;

[0076] Figure 20 This is a schematic diagram of the material loading trolley;

[0077] In the diagram, 1 is the filling and cleaning unit, 10 is the filling station, 100 is the filling motor, 102 is the clamping cylinder, 103 is the sliding positioning plate, 104 is the front sleeve, 105 is the rear top sleeve, 106 is the T-shaped connecting plate, 107 is the propulsion cylinder, and 108 is the buffer claw.

[0078] 11. Residual material cleaning station; 110. Residual material cleaning motor.

[0079] 12. Thread cleaning station; 120. Thread cleaning motor.

[0080] 13. Support frame,

[0081] 2. Horizontal conveyor unit, 20. Frame,

[0082] 21. First conveyor line; 210. Housing loading station; 211. First guide rail; 212. Side guide rail; 213. First drive assembly; 214. First hydraulic motor; 215. Hanging slot synchronous belt; 216. Synchronous belt pressing plate; 217. Hanging slot; 218. First housing positioning cylinder.

[0083] 22. Second conveyor line; 221. Finished product ejection station; 222. Second drive assembly; 223. Second housing positioning cylinder; 224. Finished product ejection cylinder.

[0084] 31. First lifting device,

[0085] 311. Lifting base plate; 312. Guide plate; 313. Lifting guide shaft; 314. Lifting cylinder; 315. Mounting bracket; 316. Moving cylinder; 317. Guide shaft; 318. Clamping plate.

[0086] 32. Second lifting device,

[0087] 4. Circulating carrier; 41. Tooling base plate; 42. Arc-shaped clamp; 43. Protective bushing.

[0088] 5. Heating unit,

[0089] 51. Shell ejector; 510. Housing; 511. Hydraulic motor assembly; 512. Ejector rod; 513. Synchronous gear rack; 514. Guide assembly; 515. Limiting assembly.

[0090] 52. Heating device; 520. Heating box; 521. Lifting door cylinder; 522. Insulated rear door; 523. Push-out guide groove.

[0091] 6. Feeding unit; 60. Ground rail fixture; 61. Feeding trolley; 62. Trolley carriage; 621. Boss; 622. Flow rail.

[0092] 63. Ground rail mounting bracket; 64. Ground rail hydraulic cylinder; 65. V-shaped frame.

[0093] 7. Unloading unit, 71. Unloading trolley. Detailed Implementation

[0094] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0095] Example 1: As Figure 1-20As shown, a fully automated plastic powder filling and conveying system includes:

[0096] The filling and cleaning unit 1 includes a support frame 13, a filling station 10, a residual material cleaning station 11, and a screw cleaning station 12; the filling station 10, the residual material cleaning station 11, and the screw cleaning station 12 are sequentially fixedly connected to the support frame 13.

[0097] The horizontal conveying unit 2 is arranged perpendicularly to the filling and cleaning unit 1, and the filling and cleaning unit 1 is arranged at one end of the horizontal conveying unit 2. The horizontal conveying unit 2 includes a first conveying line 21 and a second conveying line 22. The first conveying line 21 is used to convey idle shells into the filling station 10, the residual material cleaning station 11 and the screw cleaning station 12 in sequence. The second conveying line 22 is used to convey the finished shells.

[0098] The lifting unit includes a first lifting device 31 and a second lifting device 32, which are respectively disposed at both ends of the horizontal conveying unit 2. The first lifting device 31 is used to transfer the finished shell from the first conveyor line 21 to the second conveyor line 22, and the second lifting device 32 is used to transfer the circulating carrier 4 onto the first conveyor line 21.

[0099] Multiple circulating carriers 4 include a tooling base plate 41, with arc-shaped clamps 42 fixedly installed on both sides of the top surface of the tooling base plate 41, and protective bushings 43 fixedly connected inside the arc-shaped clamps 42. Multiple rubber columns are provided at the front end of the tooling base plate 41.

[0100] Heating unit 5 includes a shell ejector 51 and a heating device 52; the heating device 52 is used to heat the shell, and the shell ejector 51 is used to eject the heated shell to the circulating carrier 4.

[0101] The feeding unit 6 includes a feeding trolley 61, which is located between the shell ejector 51 and the heating device 52 and is used to transfer the shells to be filled.

[0102] The unloading unit 7 is located on one side of the horizontal conveying unit 2 and is used to transfer the finished shell.

[0103] It also includes a control system and a hydraulic system. The control system can control the movements of the filling and cleaning unit 1, the horizontal conveying unit 2, the lifting unit, the heating unit 5, the loading trolley 61, and the unloading trolley 71. The hydraulic system can supply hydraulic oil to each unit to ensure the coordinated movement of each unit.

[0104] Upstream of filling station 10, there is a plasticizing extrusion unit. The plasticizing extrusion unit is a current technology. After the powder is heated into plasticized material, it is kept warm by an insulated bucket and then extruded through a filling pipe. The plasticized material can be automatically filled into the shell and the finished shell can be conveyed through the filling and conveying system.

[0105] Example 2: In order to fill the shell with plasticized material, clean the shell opening, and then transport the finished shell, as follows: Figures 2-5 As shown, a filling station 10, a residual material cleaning station 11, and a screw cleaning station 12 are sequentially arranged at the support frame 13. Each of the filling station 10, residual material cleaning station 11, and screw cleaning station 12 is equipped with a front sleeve device. The front sleeve device includes a clamping cylinder 102. The output end of the clamping cylinder 102 is connected to a sliding positioning plate 103. The sliding positioning plate 103 is L-shaped. The lower inner side of the sliding positioning plate 103 is fixed with a front sleeve 104. The working surface of the front sleeve 104 is correspondingly provided with a rear top sleeve device. The rear top sleeve device includes a rear top sleeve 105, a transmission rod, and a T-shaped connecting plate 106. The end of the rear top sleeve 105 is connected to the transmission rod, which is connected to the lower end of the T-shaped connecting plate 106. The upper surface of the T-shaped connecting plate 106 and the upper surface of the sliding positioning plate 103 are slidably connected to the support frame 13 through the same slide rail slider pair.

[0106] In this embodiment, the bottom sides of the support frame 13 are fixedly installed on the filling and cleaning base, ensuring that the filling station 10, the residual material cleaning station 11, and the screw cleaning station 12 are located above the horizontal conveying unit 2. The front sleeve 104 is adapted to the front end of the housing, and the rear top sleeve 105 is adapted to the bottom of the housing. Slide rails are fixed at the corresponding positions of the support frame 13 and the filling station 10, the residual material cleaning station 11, and the screw cleaning station 12. A slider is fixedly connected to the upper surface of the sliding positioning plate 103 and the upper surface of the T-shaped connecting plate 106. The slider and the slide rail establish a sliding connection. The sliding positioning plate 103 is also connected to the output end of the clamping cylinder 102, and the T-shaped connecting plate 106 is also connected to the output end of the pushing cylinder 107, so that the front sleeve 104 and the rear top sleeve 105 can stably clamp the housing forward or backward.

[0107] A buffer device is also provided between the front sleeve 104 and the rear top sleeve 105. The buffer device slides on the slide rail on the support frame 13 and includes a buffer claw 108. The buffer claw 108 is adapted to the protrusion on the outer surface of the protective bushing 43 and can fix the protective bushing 43.

[0108] The clamping cylinder 102 is fixed to the upper plane of the T-shaped connecting plate 106, and the pushing cylinder 107 is fixed to the rear end of the support frame 13. When the pushing cylinder 107 pushes the T-shaped connecting plate 106, it also pushes the sliding positioning plate 103, realizing the synchronous movement of the sliding positioning plate 103 and the T-shaped connecting plate 106 during the pushing process. This achieves the coupling of clamping and pushing functions. This design has a clear force flow path and good structural rigidity, ensuring the accuracy and stability of positioning during the filling and cleaning process. At the same time, this integrated modular design facilitates installation and maintenance, reduces the load requirements of the pushing cylinder 107, and improves the economy and reliability of the entire equipment. To ensure the repeatability of each pushing action, a limit device is provided in the extension direction of the T-shaped connecting plate 106 towards the sliding positioning plate 103. The limit device can precisely limit the relative position between the two, thereby ensuring that at the end of each pushing stroke, the front sleeve 104 and the rear top sleeve 105 can press against the shell with the exact same position and preload, forming a sealed, stable, and reliable sealed space at both ends of the shell to meet the process requirements.

[0109] The filling station 10 also includes a hexagonal transmission rod. One end of the hexagonal transmission rod is connected to the rear of the transmission rod, and the other end passes through the support frame 13. After the hexagonal transmission rod passes through the support frame 13, it is connected to a driven synchronous pulley. The driven synchronous pulley is connected to a driving synchronous pulley through a synchronous belt. The driving synchronous pulley is connected to the output end of the filling motor 100.

[0110] Specifically, bearing seats are installed on the front and rear sides of the hexagonal transmission rod at the through-position of the support frame 13. Tapered roller bearing assemblies are installed within the bearing seats and are connected to the hexagonal transmission rod. The two tapered roller bearing assemblies are arranged opposite each other, forming a two-point support structure that jointly constrains the axial degree of freedom of the hexagonal transmission rod. The two tapered roller bearing assemblies are rigidly fixed to the support frame 13, thus reliably transmitting the load of the transmission rod. One end of the hexagonal transmission rod is connected inside the support frame 13. The transmission rod is connected to the T-shaped connecting plate 106 via a deep groove ball bearing assembly. The end of the transmission rod furthest from the hexagonal transmission rod is connected to the rear top sleeve 105.

[0111] The hexagonal transmission rod is designed with a hexagonal meshing angle, which makes the force distribution uniform when transmitting torque, reduces the risk of stress concentration, and provides greater frictional torque compared to the point contact of a circular shaft, effectively preventing slippage during transmission.

[0112] The filling motor 100 is a cycloidal hydraulic motor, which is existing technology. It generates torque through the action of pressurized oil. After the heated shell is transferred to the filling station 10, the output end of the clamping cylinder 102 drives the rear top sleeve 105 to abut against the bottom of the shell and push it towards the filling tube. At this time, the shell and the filling tube are coaxial. During the process of pushing the shell, the front end of the shell extends into the front sleeve 104. The front sleeve 104 and the rear top sleeve 105 together drive the shell to fit into the filling tube. When the bottom of the shell slides to the end of the filling tube, the front sleeve 104 and the rear top sleeve 105 stop sliding. The output end of the filling motor 100 starts to rotate and drives the transmission rod to rotate. The transmission rod drives the rear top sleeve 105 to rotate, and the plasticized material is then squeezed into the shell through the filling tube. During the filling process, the clamping cylinder 102 and the pushing cylinder 107 retract at a constant speed. The constant speed of retraction and pushing of the clamping cylinder 102 and the pushing cylinder 107 is 80-600 mm / min.

[0113] The rotation of the transmission rod drives the shell to rotate, which allows the plasticized material to be evenly filled into the shell.

[0114] Once the amount of plasticized material filled at filling station 10 reaches the set amount, filling stops, and the front sleeve 104 and rear top sleeve 105 return the shell to the protective bushing 43.

[0115] The residual material cleaning station 11 is equipped with a residual material cleaning motor 110 near the filling pipe end, and the screw cleaning station 12 is equipped with a screw cleaning motor 120 near the filling pipe end. The residual material cleaning motor 110 and the screw cleaning motor 120 are respectively fixed to one side of the support frame 13 by mounting brackets.

[0116] Similarly, the residual material cleaning station 11 and the screw hole cleaning station 12 have the same clamping principle as the filling station 10.

[0117] Preferably, the residue cleaning station 11 is used to clean the solidified residue generated by the filling process of the previous filling station 10. Specifically, the residue cleaning station 11 includes a rotating scraper driven by the residue cleaning motor 110, used to scrape off the residue around the housing injection port. The residue cleaning motor 110 is a cycloidal hydraulic motor. The threaded cleaning station 12 is located downstream of the residue cleaning station 11 and is used to perform secondary deep cleaning in the threaded area of ​​the housing injection port.

[0118] Specifically, the thread cleaning station 12 includes a flexible thread cleaning device. The flexible thread cleaning device extends into and conforms to the thread groove of the housing injection port; the flexible thread cleaning device removes residual plasticized material embedded in the thread through a combination of rotation and axial movement.

[0119] The flexible thread cleaning device includes a rotating brush head driven by a thread cleaning motor 120 or a thread-conforming finger made of a flexible material. The bristle stiffness of the rotating brush head is matched with the material of the housing to ensure effective cleaning without damaging the surface of the thread grooves.

[0120] In one specific embodiment, the working process of the thread cleaning station 12 is as follows: after the housing is positioned and clamped, the flexible thread cleaning device moves towards the housing injection port under the push of the thread cleaning motor 120; when its brush head or contour finger contacts the housing injection port, the flexible thread cleaning device starts to rotate at high speed and moves axially along the thread lead for a predetermined stroke, thereby completely peeling off and removing the residue in the thread groove on the housing injection port.

[0121] The residual material cleaning station 11 and the thread cleaning station 12 can also be integrated with a negative pressure dust collection device, whose suction inlet is aligned with the injection port of the housing. While the flexible thread cleaning device is working, the negative pressure dust collection device is activated to promptly suck up and collect the cleaned residue and dust, preventing secondary pollution.

[0122] Sensors are installed at the filling station 10, the residual material cleaning station 11, and the screw cleaning station 12 to detect the arrival of the casing in order to perform the filling and cleaning actions.

[0123] The rear top sleeve device is versatile. The rear top sleeve 105 only rotates at the filling station 10, driven by the filling motor 100. It does not rotate at the residual material cleaning station 11 and the screw thread cleaning station 12, and the housing does not rotate during cleaning. If the rear top sleeve device at the filling station 10 fails, it can be immediately replaced by the rear top sleeve devices at the residual material cleaning station 11 and the screw thread cleaning station 12, enabling rapid repair and minimizing unexpected downtime, thus greatly improving the reliability and availability of the production line. Since the rear top sleeve devices at the three stations have identical structures, only one set of tooling fixtures, one set of machining programs, and one set of testing tools are needed during manufacturing. This completely avoids the process of frequently changing and adjusting the production line due to different parts, greatly reducing production preparation and changeover time.

[0124] Example 3, as Figures 6-10 As shown, the horizontal conveying unit 2 also includes a frame 20 and a circulating carrier 4. The first conveying line 21 and the second conveying line 22 are fixed inside the frame 20, and the circulating carrier 4 is slidably connected to the first conveying line 21 and the second conveying line 22.

[0125] The first conveyor line 21 is located above the second conveyor line 22 and is arranged parallel to it in the longitudinal direction. The first conveyor line 21 and the second conveyor line 22 have the same structure. The first conveyor line 21 includes a set of symmetrical first guide rails 211 and a set of symmetrical side guide rails 212. The circulating carrier 4 is slidably connected to the first guide rail 211 through a slider. The circulating carrier 4 is movably connected to the output end of the first drive assembly 213. The first drive assembly 213 is slidably connected to the side guide rails 212.

[0126] The second drive assembly 222 is also slidably connected to the side guide rail 212 on the second conveyor line 22. The circulating carrier 4 is movably connected to the output end of the second drive assembly 222, and the second drive assembly 222 is slidably connected to the side guide rail 212.

[0127] In this embodiment, the frame 20 is divided into an upper frame and a lower frame. Some sealing plates can be installed on both sides of the upper and lower frames to protect the interior of the frame 20 from dust. The first conveyor line 21 and the second conveyor line 22 are longitudinally symmetrically arranged inside the frame 20. The first conveyor line 21 is a linear guide mechanism, specifically a slider guide pair, including symmetrically arranged first guide rails 211. The first guide rails 211 are fixed to the upper plane of the upper frame. The area separated by the two first guide rails 211 forms the sliding area of ​​the tooling base plate 41. Sliders are provided on both sides of the bottom of the tooling base plate 41, allowing the circulating carrier 4 to slide on the two first guide rails 211 to transport the housing. On the opposite sides of the upper frame in the area separated by the two first guide rails 211, side guide rails 212 are fixed for the sliding of the first drive assembly 213. The first drive assembly 213 includes a first hydraulic motor 214. Motor 214 is fixed to the upper frame via bearing housing. The output end of the first hydraulic motor 214 is rotatably connected to the slot drive wheel. The slot drive wheel is connected to the slot driven wheel group via the slot timing belt 215. The slot driven wheel group is fixed to the other end of the upper frame. The slot timing belt 215 is fixedly connected to the slot 217 via the timing belt pressure plate 216. The first housing positioning cylinder 218 is fixed inside the slot 217. The first slider is connected to the two outer sides of the slot 217 respectively. The first slider slides on two side guide rails 212. The area separated by the side guide rails 212 is the sliding area of ​​the slot 217. When the first hydraulic motor 214 rotates forward, the circulating carrier 4 can be transferred to the filling station 10. When the first hydraulic motor 214 rotates in reverse, the slot 217 and the first housing positioning cylinder 218 return to the end of the first conveyor line 21 near the heating unit 5 to continue transferring the circulating carrier 4.

[0128] The second conveyor line 22 includes symmetrically arranged second guide rails, fixed to the lower frame and located below the first guide rail 211. Similarly, a side guide rail 212 is arranged on the opposite side of the lower frame. A second drive assembly 222 slides on the side guide rail 212. The second drive assembly 222 includes a second hydraulic motor and a second housing positioning cylinder 223. The output end of the second housing positioning cylinder 223 on the second drive assembly 222 works in conjunction with the circulating carrier 4. The structure of the second drive assembly 222 is the same as that of the first drive assembly 213, and will not be described again.

[0129] The first conveyor line 21 has a housing loading station 210 at one end near the second lifting device 32, and the second conveyor line 22 has a finished product ejection station 221 at one end near the second lifting device 32. The finished product ejection station 221 is equipped with a corresponding finished product ejection cylinder 224 to work together.

[0130] The first hydraulic motor 214 and the second hydraulic motor cause the circulating carrier 4 to move on the first conveyor line 21 and the second conveyor line 22, respectively.

[0131] The lengths of the first guide rail 211 and the second guide rail can be adjusted arbitrarily, as long as they can transport the circulating carrier 4.

[0132] The bottom of the tooling base plate 41 in the circulating carrier 4 is provided with positioning holes. The positioning holes are correspondingly engaged with the output ends of the first housing positioning cylinder 218 and the second housing positioning cylinder 223. When the protective bushing 43 is coaxial with the housing in the heating device 52, the position where the circulating carrier 4 stops on the first guide rail 211 is the housing loading station 210. When the circulating carrier 4 is aligned with the finished product ejection cylinder 224 on the second conveyor line 22, it is the finished product ejection station 221. The output ends of the first housing positioning cylinder 218 and the second housing positioning cylinder 223 respectively extend into the positioning holes of the tooling base plate 41 to achieve the purpose of positioning and conveying the circulating carrier 4.

[0133] In this embodiment, as Figure 12 As shown, the protective bushing 43 is an annular body, capable of accommodating the largest diameter portion of the housing. In another embodiment, as... Figure 13 The protective bushing 43 shown can also be designed as an arc groove, which is adapted to the surface of the housing.

[0134] Example 4, continue to refer to Figure 6 , Figure 11 The horizontal conveying unit 2 is provided with a first lifting device 31 and a second lifting device 32 at both ends. The first lifting device 31 is used to transfer the finished shell from the first conveying line 21 to the second conveying line 22, and the second lifting device 32 is used to transfer the circulating carrier 4 to the first conveying line 21.

[0135] The first lifting device 31 and the second lifting device 32 have the same structure. The first lifting device 31 includes a lifting base plate 311. Guide plates 312 are fixedly connected to the lower planes on both sides of the lifting base plate 311. The guide plates 312 are connected to the output end of the lifting cylinder 314. The lifting cylinder 314 is fixed to the top surface of the end of the frame 20.

[0136] The lifting base plate 311 is equipped with sliding guide rails on both sides, and the sliding guide rails slide in conjunction with the circulating carrier 4 to transfer the housing.

[0137] The lifting base plate 311 is fixed with a mounting frame 315 at the end away from the first conveyor line 21. The mounting frame 315 is fixedly connected with a moving cylinder 316. The output end of the moving cylinder 316 is connected to two clamping plates 318. The two clamping plates 318 move closer to or further away from each other under the control of the control system.

[0138] In order to better guide the guide plate 312 during the lifting process and ensure the stability of the moving path of the guide plate 312, guide cylinders are fixed on both sides of the guide plate 312, and a lifting guide shaft 313 passes through the guide cylinder. The upper and lower ends of the lifting guide shaft 313 are fixed to the top and bottom surfaces of the end of the frame 20 by nuts, respectively.

[0139] Similarly, guide shafts 317 are provided on both sides of the mounting bracket 315 to guide the clamping plate 318. The guide shafts 317 effectively prevent the clamping plate 318 from tilting or twisting due to uneven force during translation or clamping, ensuring the accuracy and smoothness of the operation.

[0140] The output end of the movable cylinder 316 and the guide shaft 317 pass through the mounting bracket 315 and are connected to the clamping plate mounting plate. The front end of the clamping plate mounting plate is fixedly connected to the clamping plate connecting plate. The side of the clamping plate connecting plate is provided with a sliding groove. Two clamping plates 318 slide on the sliding groove. Under the control of the control system, the two clamping plates 318 move away from or closer to each other to grab or release the tooling base plate 41.

[0141] Specifically, after the shell is cleaned at the screw cleaning station 12, the first lifting device 31 and the first conveyor line 21 are on the same plane. The output end of the moving cylinder 316 in the first lifting device 31 outputs, and the clamping plate 318 clamps the tooling base plate 41 and pulls it into the lifting base plate 311. The output end of the lifting cylinder 314 outputs, and the circulating carrier 4 carrying the finished shell is lowered to connect with the second conveyor line 22 and kept on the same horizontal plane. At this time, the output end of the moving cylinder 316 extends, and the clamping plate 318 pushes the tooling base plate 41 (circulating carrier 4) into the second conveyor line 22. Conveyor line 22: The slider at the bottom of the tooling base plate 41 enters the second conveyor line 22 along the end of the second guide rail. At this time, the output end of the second housing positioning cylinder 223 in the second drive assembly 222 extends and enters the positioning hole at the bottom of the tooling base plate 41. The second hydraulic motor rotates, driving the tooling base plate 41 (circulating carrier 4) to move along the second conveyor line 22 to the finished product ejection station 221. Simultaneously, the first lifting device 31, driven by the lifting cylinder 314, returns to the first conveyor line 21 to continue transferring the next circulating carrier 4 to the second conveyor line 22. The advancing speed of the lifting cylinder 314 is 1000-2000 mm / min.

[0142] After the finished shell is pushed out, the clamping plate 318 in the second lifting device 32 clamps the tooling base plate 41 (circulating carrier 4), dragging the circulating carrier 4 into the second lifting device 32. The output end of the lifting cylinder 314 in the second lifting device 32 retracts, driving the lifting base plate 311 in the second lifting device 32 to rise to be flush with the first conveyor line 21. Specifically, the sliding guide rail on the lifting base plate 311 and the first guide rail 211 on the first conveyor line 21 are on the same horizontal line. At this time, the output end of the moving cylinder 316 in the second lifting device 32 extends, pushing the circulating carrier 4 into the shell loading station 210 on the first conveyor line 21, waiting to be loaded with the heated shell.

[0143] After the circulating carrier 4 is loaded into the housing, the first housing positioning cylinder 218 transports the circulating carrier 4 from the housing loading station 210 to the filling station 10 for filling. After the circulating carrier 4 is clamped by the front sleeve 104 and the rear top sleeve 105, the telescopic end of the first housing positioning cylinder 218 retracts and returns to the housing loading station 210 to continue transporting the next circulating carrier 4.

[0144] Because the front end of the circulating carrier 4 is equipped with a rubber column, when the next circulating carrier 4 is transported to the filling station 10, it will simultaneously push the circulating carrier 4 originally located at the filling station 10 into the residual material cleaning station 11, and push the circulating carrier 4 originally located at the residual material cleaning station 11 into the screw cleaning station 12. The circulating carrier 4 originally located at the screw cleaning station 12 will be transferred to the second conveyor line 22 in advance by the first lifting device 31. Multiple circulating carriers 4 will sequentially circulate and work at the shell loading station 210, filling station 10, residual material cleaning station 11, screw cleaning station 12 and finished product ejection station 221 to complete continuous automated production.

[0145] In Example 5, a preheating process is performed before the shell is filled. A heating unit 5 is provided, including a shell ejector 51 and a heating device 52, such as... Figure 14 As shown, the heating device 52 includes a heating box 520, which can be heated by a medium-frequency furnace. The medium-frequency furnace is equipped with an openable front door and a rear door 522, which are driven by a lifting door cylinder 521. When the shell is to be heated, the rear door 522 is opened and the shell is pushed into the medium-frequency furnace. The rear door 522 is closed and the shell is heated. When the heating box 520 heats the shell to the set temperature, such as 50-80℃, the front door and the rear door 522 are opened at the same time and the shell ejector 51 ejects the shell out of the medium-frequency furnace. The front door and the rear door 522 are also fixed with ejection guide grooves 523. The inner surface of the ejection guide grooves 523 is conformally adapted to the surface of the shell to facilitate the shell to enter the protective bushing 43 more smoothly, and then be transported to the filling station 10 through the first conveyor line 21.

[0146] like Figure 15-16 As shown, the housing ejector 51 includes a housing 510. A hydraulic motor assembly 511 is fixed on the outer wall of the housing 510, including a hydraulic motor. The output end of the hydraulic motor extends into the housing 510 and meshes with a synchronous gear rack 513. On both sides of the output end of the hydraulic motor, there are tension idler wheels. The synchronous gear rack 513 is a soft rubber material that can be bent by the tension idler wheels on both sides and still move back and forth in the lateral direction under the drive of the hydraulic motor output end. After passing under the tension idler wheels, the synchronous gear rack 513 extends to both sides of the housing 510 and extends out of the housing 510. The two ends of the synchronous gear rack 513 are fixed to the two ends of the ejector rod 512. The lengths of the synchronous gear rack 513 and the ejector rod 512 are adapted. The synchronous gear rack 513 and the ejector rod 512 pass through the housing 510, which can ensure that the synchronous gear rack 513 can drive the ejector rod 512 to move back and forth inside the housing 510.

[0147] To ensure smooth movement of the push rod 512 and the synchronous gear rack 513, guide assemblies 514 are fixed to the outer wall of the housing 510 at the point where the synchronous gear rack 513 and the push rod 512 penetrate. These guide assemblies provide rolling friction guidance for the push rod 512. The guide assembly 514 includes guide wheels. In this embodiment, since the push rod 512 is a cuboid, the guide wheels are adaptively arranged around the push rod 512. Specifically, two guide wheels are arranged on each plane of the square push rod 512, thereby achieving high-rigidity and precise linear motion and overcoming the problems of high frictional resistance and easy jamming that square rods are prone to generate during long-stroke motion.

[0148] To ensure the precise and consistent endpoint position of the push rod 512 during reciprocating motion, limit components 515 are fixedly installed on both sides of the housing 510 along the axial direction of the push rod 512. The limit components 515 are position sensors that provide electrical signals to precisely define the push-off stop position and retraction position of the push rod 512, thereby achieving repeatable positioning of the endpoint of the push rod 512's stroke. This ensures that each pushing action accurately places the housing at the predetermined position between the heating unit 5 and the circulating carrier 4.

[0149] Specifically, when the push rod 512 pushes out for the first time, it pushes the housing on the loading trolley 61 into the heating box 520; when the push rod 512 pushes out for the second time, it pushes the housing from the heating box 520 into the circulating carrier 4; the hydraulic motor runs at a speed of 300-1000 mm / min.

[0150] In Example 6, in order to achieve automatic loading and unloading, a loading unit 6 is provided between the shell ejector 51 and the heating device 52, and a unloading unit 7 is provided on one side of the horizontal conveying unit 2.

[0151] like Figure 1 , Figure 18 and Figure 19 As shown, both the loading unit 6 and the unloading unit 7 include a ground rail fixture 60. The ground rail fixture 60 slides on two support rails, which are fixed above the ground rail mounting frame 63. One end of the ground rail fixture 60 is connected to the output end of the ground rail cylinder 64. The ground rail cylinder 64 is connected to the hydraulic system pipeline and is controlled by the control system.

[0152] The feeding unit 6 also includes a feeding trolley 61, such as Figure 20 As shown, the bottom of the loading trolley 61 is provided with a trolley slide 62, which is detachably connected to the ground rail fixture 60. The two ends of the trolley slide 62 are provided with first clamp holes, and the trolley slide 62 is provided with inverted grooves. The top of the loading trolley 61 is provided with multiple V-shaped frames 65.

[0153] The unloading unit 7 also includes an unloading trolley 71. The bottom of the unloading trolley 71 is provided with a second trolley slide, which is detachably connected to the ground rail fixture 60. The top of the unloading trolley 71 is provided with multiple V-shaped frames 65.

[0154] Both ends of the loading trolley 61 and the unloading trolley 71 are equipped with ergonomic handles, and both the loading trolley 61 and the unloading trolley 71 are equipped with wheels at the bottom to facilitate their movement.

[0155] In this embodiment, the ground rail mounting bracket 63 is fixed to the ground and is configured as a groove shape. Support rails, which are cylindrical, are fixed to the top surface of the groove. A ground rail fixture 60 slides on the support rails. A ground rail cylinder 64 is fixed in the groove, and the output end of the ground rail cylinder 64 is connected to one end of the ground rail fixture 60. The ground rail fixture 60 includes an R-groove, a base plate, and a flow strip 622. An R-groove is fixed below the base plate and slides on the support rails. A boss 621 is provided on the center line of the top surface of the base plate. The boss 621 is adapted to the trolley slide 62, and the trolley slide 62 should cover the boss 621. The top surface of the boss 621 also has a second clamping hole, which corresponds to the first clamping hole. The top surface of the base plate is symmetrically provided with flow strips 622 along the center line of the boss 621. The two flow strips 622 slide in contact with the sides of the trolley slide 62 respectively. The base plate is also fixed with baffles on both sides near the edge. A spring is provided between the baffle and the flow strip 622. The spring can reduce the vibration when the loading trolley 61 enters.

[0156] When in use, push the loading trolley 61 into the ground rail fixture 60 so that the second clamp hole aligns with the first clamp hole. Then, use a push-pull quick clamp to insert the second clamp hole into the first clamp hole to fix the loading trolley 61 to the ground rail fixture 60. During the process of pushing the loading trolley 61 in, the two sides of the trolley slide 62 contact the flow strip 622, which enhances the smoothness of pushing the loading trolley 61 in.

[0157] Multiple V-shaped frames 65 are fixed on the top of the loading trolley 61, and the V-shaped frames 65 are adapted to the outer surface of the shell.

[0158] In this embodiment, the loading trolley 61 has five V-shaped frames 65. After the first shell is sequentially fed into the heating device 52 and the circulating carrier 4 by the shell ejector 51, the ejector rod 512 of the shell ejector 51 retracts, and the output end of the ground rail cylinder 64 extends forward one station. The shell ejector 51 then feeds the second shell into the heating device 52 and the circulating carrier 4 again. The ejector rod 512 of the shell ejector 51 retracts, and the ground rail cylinder 64 advances one station again, and so on, until the fifth shell is ejected. The ground rail cylinder 64 retracts to its original position, the push-pull quick clamp is released, and the loading trolley 61 is manually pushed out to load the next batch of shells.

[0159] The unloading unit 7 also includes a ground rail fixture 60. Unlike the loading unit 6, the unloading trolley 71 is lower in height than the loading trolley 61. This is because the loading trolley 61 corresponds to the housing loading station 210 of the first conveyor line 21, while the unloading trolley 71 corresponds to the finished product ejection station 221 on the second conveyor line 22. The first conveyor line 21 is below the second conveyor line 22, causing the V-shaped frame 65 at the top of the unloading trolley 71 to correspond to the finished product ejection station 221. The unloading trolley 71 is in operation... During unloading, the second carriage of the unloading trolley 71 is first fixed to the ground rail fixture 60 using a push-pull quick clamp. The ground rail cylinder 64 in the unloading unit 7 is initially extended. When the first finished product is loaded onto the V-shaped frame 65 near the finished product ejection station 221 of the unloading trolley 71, the output end of the ground rail cylinder 64 retracts one station to prepare for loading the next finished product. This continues until all the V-shaped frames 65 of the unloading trolley 71 are loaded with finished products, at which point the output end of the ground rail cylinder 64 returns to the bottom. Then, the push-pull quick clamp is released, and the unloading trolley 71 is manually pushed out. The idle unloading trolley 71 is then fixed onto the ground rail fixture 60, and the output end of the ground rail cylinder 64 extends to load the next batch of finished products.

[0160] The ground rail cylinder 64 operates in steps, with a running speed of 300-1000 mm / min. Multiple unloading trolleys 71 and loading trolleys 61 can be selected for transfer as needed.

[0161] The control method, operating speed, and operating limit positions of each component of the entire system can all be programmed by those skilled in the art.

[0162] Example 7, a conveying method, including the above-described fully automated plastic powder filling and conveying system, comprising the following steps:

[0163] S1. System initialization: Arrange the unloaded circulating carrier 4 at the shell loading station 210, filling station 10, residual material cleaning station 11 and screw cleaning station 12 respectively.

[0164] S2, Shell feeding: The shell ejector 51 pushes the shell located in the shell feeding station 210 into the circulating carrier 4;

[0165] S3, Filling Start and Circulation of Circulating Carrier 4: The first drive assembly 213 transfers the circulating carrier 4 carrying the shell to the filling station 10 for filling; the circulating carrier 4 entering the filling station 10 simultaneously pushes the circulating carrier 4 originally located at the filling station 10 to the residual material cleaning station 11, and pushes the circulating carrier 4 originally located at the residual material cleaning station 11 to the screw cleaning station 12;

[0166] S4. The first drive component 213 returns to the housing loading station 210, waiting to be transferred to the next circulating carrier 4;

[0167] S5. At the same time, the first lifting device 31 transfers the circulating carrier 4 located at the screw cleaning station 12 to the second conveyor line 22, and the second drive assembly 222 transports the circulating carrier 4 to the finished product ejection station 221.

[0168] S6. The second drive assembly 222 returns to the original position of the second conveyor line 22, close to one end of the first lifting device 31, and waits to be transferred to the next circulating carrier 4 to the finished product ejection station 221.

[0169] S7, finished product ejection cylinder 224 ejects the finished product;

[0170] S8. The second lifting device 32 transfers the empty circulating carrier 4 on the finished product ejection station 221 to the shell loading station 210.

[0171] S9. Repeat steps S2-S8 to make multiple circulating carriers 4 form a closed loop path on the first conveyor line 21 and the second conveyor line 22, and run in a loop until all filling operations are completed.

[0172] S1 also includes S11, in which the shell ejector 51 pushes the shell in the loading trolley 61 into the heating device 52, and the shell ejector 51 then pushes the shell heated by the heating device 52 into the circulating carrier 4 located at the shell loading station 210.

[0173] S3 also includes S31, a residual material cleaning station 11 and a screw cleaning station 12. When a shell is sensed, the residual material cleaning motor 110 and the screw cleaning motor 120 perform cleaning actions.

[0174] S5 also includes S51, in which the finished product ejection cylinder 224 performs an ejection action when it senses the presence of the housing, and in S7, the finished product is ejected to the unloading trolley 71.

[0175] In this embodiment, there are four circulating carriers 4, namely the first circulating carrier 4, the second circulating carrier 4, the third circulating carrier 4 and the fourth circulating carrier 4, which are respectively arranged on the first conveyor line 21 at the filling station 10, the residual material cleaning station 11 and the screw cleaning station 12.

[0176] The shell ejector 51 pushes the shell in the loading trolley 61 into the heating box 520 and heats it to the set temperature. The ejector rod 512 then pushes the heated shell into the first circulating carrier 4. The ejector rod 512 retracts, the loading trolley 61 moves forward one station, and the ejector rod 512 pushes the next shell on the loading trolley 61 into the heating box 520 for continued heating.

[0177] The first drive assembly 213 is activated, transferring the first circulating carrier 4 to the filling station 10. When the first circulating carrier 4 enters the filling station 10, it simultaneously pushes the second circulating carrier 4, which was originally located at the filling station 10, into the residual material cleaning station 11, and pushes the third circulating carrier 4, which was originally located at the residual material cleaning station 11, into the screw cleaning station 12. At the same time, the first lifting device 31 is activated to transfer the fourth circulating carrier 4, which is located at the screw cleaning station 12, to the second conveyor line 22.

[0178] The front sleeve 104 and the rear top sleeve 105 press against the shell in the first circulating carrier 4 to start filling. While the first circulating carrier 4 is filling, the first drive assembly 213 returns to the shell loading station 210 to prepare for the next transfer.

[0179] When the fourth circulating carrier 4 is transported to the finished product ejection station 221 on the second conveyor line 22 by the second housing positioning cylinder 223, the sensing device on the finished product ejection cylinder 224 senses that there is no housing, the output end remains stationary, stays for a set time, and then the fourth circulating carrier 4 is transferred back to the housing loading station 210 on the first conveyor line 21 by the second lifting device 32 to wait for loading.

[0180] The heated shell is pushed into the fourth circulating carrier 4 located at the shell loading station 210, and then the first drive assembly 213 transfers it to the filling station 10 to start a new round of filling.

[0181] The fourth circulating carrier 4 synchronously pushes the first circulating carrier 4, which was originally in the filling station 10, into the residual material cleaning station 11 for residual material cleaning, and pushes the second circulating carrier 4, which was originally in the residual material cleaning station 11, into the screw cleaning station 12 for screw cleaning. At the same time, the third circulating carrier 4, which was originally in the screw cleaning station 12, is transferred to the second conveyor line 22.

[0182] Repeat the above steps, allowing the first circulating carrier 4 to pass sequentially through the shell loading station 210, the filling station 10, the residual material cleaning station 11, and the screw cleaning station 12, and then be transferred to the finished product ejection station 221 of the second conveyor line 22, until the finished product in the first circulating carrier 4 is ejected from the finished product ejection station 221 onto the unloading trolley 71, and the first circulating carrier 4 completes one production cycle; the first circulating carrier 4 is then transferred to the shell loading station 210 again, ready to perform the next transfer; all circulating carriers 4 follow this pattern until all filling operations are completed.

[0183] Understandably, regardless of whether there is a shell, the time that the circulating carrier 4 stays at the finished product ejection station 221, the residual material cleaning station 11, and the screw cleaning station 12 remains the same to ensure the continuity of the entire filling and conveying process.

[0184] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A fully automated plastic powder filling and conveying system, characterized in that, include: The filling and cleaning unit (1) includes a support frame (13), a filling station (10), a residual material cleaning station (11), and a screw cleaning station (12); the filling station (10), the residual material cleaning station (11), and the screw cleaning station (12) are sequentially fixedly connected to the support frame (13); The filling station (10), the residual material cleaning station (11), and the screw cleaning station (12) all include a clamping cylinder (102). The output end of the clamping cylinder (102) is connected to a sliding positioning plate (103). The sliding positioning plate (103) is L-shaped. A front sleeve (104) is fixed to the lower inner side of the sliding positioning plate (103). A rear top sleeve (105) is provided on the working surface of the front sleeve (104). A transmission rod is connected to the end of the rear top sleeve (105). A T-shaped connecting plate (106) is connected to the rear end of the transmission rod. The upper surface of the T-shaped connecting plate (106), the upper surface of the sliding positioning plate (103), and the support frame (13) are slidably connected through the same slide rail slider pair. The horizontal conveying unit (2) includes a frame (20), which is perpendicular to the filling and cleaning unit (1) and the filling and cleaning unit (1) is arranged at one end of the horizontal conveying unit (2); the horizontal conveying unit (2) includes a first conveying line (21) and a second conveying line (22), the first conveying line (21) is used to convey idle shells into the filling station (10), the residual material cleaning station (11) and the screw cleaning station (12) in sequence, and the second conveying line (22) is used to convey finished shells; The first conveyor line (21) and the second conveyor line (22) have the same structure and are arranged parallel to each other in the longitudinal direction. The first conveyor line (21) and the second conveyor line (22) are respectively slidably equipped with a first drive assembly (213) and a second drive assembly (222); The lifting unit includes a first lifting device (31) and a second lifting device (32), which are respectively disposed at both ends of the horizontal conveying unit (2); the first lifting device (31) is used to transfer the finished shell from the first conveying line (21) to the second conveying line (22), and the second lifting device (32) is used to transfer the circulating carrier (4) onto the first conveying line (21); Multiple circulating carriers (4), each circulating carrier (4) includes a tooling base plate (41), with arc-shaped clamps (42) fixedly installed on both sides of the top surface of the tooling base plate (41), and a protective bushing (43) fixedly connected inside the arc-shaped clamps (42), and multiple rubber columns provided at the front end of the tooling base plate (41); The heating unit (5) includes a shell ejector (51) and a heating device (52); the heating device (52) is used to heat the shell, and the shell ejector (51) is used to eject the heated shell to the circulating carrier (4). The feeding unit (6) includes a feeding trolley (61), which is located between the shell ejector (51) and the heating device (52) for transporting the shells to be filled; The unloading unit (7) is located on one side of the horizontal conveying unit (2) and is used to transfer the finished shell.

2. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, The filling station (10) also includes a hexagonal transmission rod. One end of the hexagonal transmission rod is connected to the rear of the transmission rod, and the other end passes through the support frame (13). After the hexagonal transmission rod passes through the support frame (13), it is connected to a driven synchronous wheel. The driven synchronous wheel is connected to a driving synchronous wheel through a synchronous belt. The driving synchronous wheel is connected to the output end of the filling motor (100).

3. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, The residual material cleaning station (11) also includes a residual material cleaning motor (110), and a rotating scraper is rotatably connected to the output end of the residual material cleaning motor (110); The thread cleaning station (12) also includes a thread cleaning motor (120), and the output end of the thread cleaning motor (120) is rotatably connected to a flexible thread cleaning device; The residual material cleaning motor (110) and the screw cleaning motor (120) are respectively fixed to one side of the support frame (13) by mounting brackets.

4. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, The first conveyor line (21) and the second conveyor line (22) are fixed inside the frame (20), and the circulating carrier (4) is slidably connected to the first conveyor line (21) and the second conveyor line (22) respectively; The first conveyor line (21) is provided with a housing loading station (210) at one end near the second lifting device (32), and the second conveyor line (22) is provided with a finished product ejection station (221) at one end near the second lifting device (32). The finished product ejection station (221) is provided with a corresponding finished product ejection cylinder (224) to work together. The first conveyor line (21) and the second conveyor line (22) are linear guide rail mechanisms.

5. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, The first conveyor line (21) is located above the second conveyor line (22). The first conveyor line (21) includes a set of symmetrical first guide rails (211) and a set of symmetrical side guide rails (212). The circulating carrier (4) is slidably connected to the set of first guide rails (211) through a slider. The bottom of the circulating carrier (4) is movably connected to the output end of the first drive assembly (213). The second conveyor line (22) has a side guide rail (212) on which a second drive assembly (222) is slidably connected. The circulating carrier (4) is movably connected to the output end of the second drive assembly (222), and the second drive assembly (222) is slidably connected to the side guide rail (212). The first drive assembly (213) and the second drive assembly (222) have the same structure. The first drive assembly (213) includes a first hydraulic motor (214). The first hydraulic motor (214) is fixed on the frame (20) by a bearing seat. The output end of the first hydraulic motor (214) is rotatably connected to a slotting drive wheel. The slotting drive wheel is connected to a slotting driven wheel group by a slotting timing belt (215). The slotting driven wheel group is fixed at the other end of the frame (20). The slotting timing belt (215) is fixedly connected to the slot (217) by a timing belt pressure plate (216). The slot (217) has a first housing positioning cylinder (218) fixed inside. The two outer sides of the slot (217) are respectively connected to a first slider. The first slider slides on the symmetrical side guide rail (212). The output ends of the first housing positioning cylinder (218) and the second housing positioning cylinder (223) extend into the positioning holes in the tooling base plate (41).

6. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, The first lifting device (31) and the second lifting device (32) have the same structure. The first lifting device (31) includes a lifting base plate (311). Guide plates (312) are fixedly connected to the lower planes on both sides of the lifting base plate (311). The guide plates (312) are connected to the output end of the lifting cylinder (314). The lifting cylinder (314) is fixed at the end of the frame (20). The lifting base plate (311) is equipped with sliding guide rails on both sides, and the sliding guide rails slide in cooperation with the circulating carrier (4) to transfer the housing; The lifting base plate (311) is fixed with a mounting frame (315) at the end away from the first conveyor line (21). The mounting frame (315) is fixedly connected with a moving cylinder (316). The output end of the moving cylinder (316) is connected to two clamps (318), which are close to or far from each other.

7. The fully automatic plastic powder filling and conveying system according to claim 1, characterized in that, Both the loading unit (6) and the unloading unit (7) include a ground rail fixture (60), which slides on two support rails. The two support rails are fixed to the upper plane of the ground rail mounting frame (63). One end of the ground rail fixture (60) is connected to the output end of the ground rail cylinder (64). The feeding unit (6) also includes a feeding trolley (61), the bottom of the feeding trolley (61) is provided with a trolley slide (62), the trolley slide (62) is detachably connected to the ground rail fixture (60), and the top of the feeding trolley (61) is provided with multiple V-shaped frames (65). The unloading unit (7) also includes an unloading trolley (71), the bottom of which is provided with a second trolley slide, the second trolley slide is detachably connected to the ground rail fixture (60), and the top of the unloading trolley (71) is provided with multiple V-shaped frames (65). The height of the loading trolley (61) is higher than that of the unloading trolley (71).

8. A conveying method, employing the fully automatic plastic powder filling and conveying system described in claim 4, characterized in that, Includes the following steps: S1. System initialization: Arrange the unloaded circulating carrier (4) at the shell loading station (210), filling station (10), residual material cleaning station (11) and screw cleaning station (12), respectively. S2, Shell loading: The shell ejector (51) pushes the shell located in the shell loading station (210) into the circulating carrier (4); S3, Filling Start and Circulation of Circulating Carrier (4): The first drive assembly (213) transfers the circulating carrier (4) carrying the shell to the filling station (10) for filling; the circulating carrier (4) entering the filling station (10) simultaneously pushes the circulating carrier (4) originally located at the filling station (10) to the residual material cleaning station (11), and pushes the circulating carrier (4) originally located at the residual material cleaning station (11) to the screw cleaning station (12); S4. The first drive assembly (213) returns to the housing loading station (210) and waits to be transferred to the next circulating carrier (4). S5. At the same time, the first lifting device (31) transfers the circulating carrier (4) located at the screw cleaning station (12) to the second conveyor line (22), and the second drive assembly (222) transports the circulating carrier (4) to the finished product ejection station (221). S6. The second drive assembly (222) returns to the second conveyor line (22) near one end of the first lifting device (31) and waits to transfer the next circulating vehicle (4). S7, Finished product ejection cylinder (224) ejects the finished product; S8. The second lifting device (32) transfers the empty circulating carrier (4) on the finished product ejection station (221) to the shell loading station (210). S9. Repeat steps S2-S8 to make multiple circulating carriers (4) form a closed loop path on the first conveyor line (21) and the second conveyor line (22) and run in a loop until all filling operations are completed.

9. A conveying method according to claim 8, characterized in that, S1 also includes S11, in which the shell ejector (51) pushes the shell in the loading trolley (61) into the heating device (52), and the shell ejector (51) then pushes the shell heated by the heating device (52) into the circulating carrier (4) located at the shell loading station (210); S3 also includes S31, where the residual material cleaning station (11) and the screw hole cleaning station (12) perform cleaning actions when a shell is sensed; S5 also includes S51, in which the finished product ejection cylinder (224) performs an ejection action when it senses the presence of the housing; In step S7, the finished product is pushed to the unloading unit (7).

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