Injection device of flow plastic material forming machine

Abstract

The present invention discloses an injection device for a flow-plastic material forming machine, comprising a feed support frame, a compression molding barrel is arranged inside the feed support frame, a plurality of top frames are arranged on the upper outer side of the compression molding barrel, the injection device for the flow-plastic material forming machine also comprises a synchronous lifting device surrounding the compression molding barrel and used to control the lifting of the compression molding barrel, the synchronous lifting device comprises a top rod, a top rod is arranged under each top frame, the lower end of the compression molding barrel is a discharge port, the discharge port is provided with a multi-channel injection valve, the side of the compression molding barrel is provided with a feed port, the feed port is connected to a pumping input material assembly through a section of a hose; a spiral press is arranged at the upper end of the compression molding barrel. The present invention can realize pressurized injection, which is suitable for viscous materials. The flow rate of the material is controlled by the spiral press, and the multi-channel injection valve has a plurality of independent discharge channels, which can simultaneously inject materials into a plurality of cavities of the mold, thereby greatly improving the molding efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of injection molding of viscous materials, and in particular relates to an injection device of a fluid plastic material molding machine. Background Art

[0002] In the process of resource utilization of subway shield slag, it is necessary to cast the viscous material formed by mixing the shield slag with admixtures into building materials of various geometric shapes, so as to realize the resource transformation of abandoned slag into green products. Since the mixed material has flow plasticity, it is necessary to cast the material into a mold to process it into a building material product with a specific geometric shape.

[0003] In order to realize automated production, in the prior art, Chinese patent application No. 202111519178.3 discloses an automatic casting device for precast cement blocks for construction, including a unloading mechanism and a conveying mechanism. The unloading mechanism includes a hopper, which is arranged above a fixed frame. A unloading switch is arranged at the bottom of the hopper. The conveying mechanism includes a first conveying mechanism located below the unloading mechanism. A casting mold is placed on the first conveying mechanism. A second conveying mechanism is connected to one end of the first conveying mechanism. The second conveying mechanism is provided with a vibrating plate and a vibrating motor. The second conveying mechanism is provided with a conveyor belt body. A scraper is provided at the conveying direction end of the belt body. A collecting bucket is provided below the scraper. A trowel mechanism is provided above the second conveying mechanism, and the trowel is connected to a fixed top platform through a lifting mechanism.

[0004] The disadvantage of the prior art is that the material discharging mechanism in the existing casting device is a simple hopper discharging structure, and the viscosity of the viscous slag material after mixing with the admixture is relatively high. The existing casting device cannot control the discharging speed according to the viscosity of the material, and cannot achieve rapid molding of the viscous material. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] Based on this, the present invention provides an injection device for a fluid plastic material forming machine to solve the technical problem that existing equipment cannot achieve rapid injection molding of viscous materials.

[0007] (II) Technical solution

[0008] In order to solve the above technical problems, the present invention proposes an injection device of a flow plastic material forming machine, comprising a feeding support frame which is in the shape of a frame as a whole, an injection molding barrel for containing materials is arranged in the feeding support frame, and a plurality of raised top frames are arranged on the upper outer side of the injection molding barrel. The injection device of the flow plastic material forming machine also includes a synchronous lifting device which surrounds the injection molding barrel and is used to control the lifting and lowering of the injection molding barrel, and the synchronous lifting device is installed on the inner side wall of the feeding support frame, and the synchronous lifting device includes a push rod, and each push rod is arranged under the top frame. The lower end of the injection molding barrel is a discharge port, and the discharge port is provided with a multi-channel injection valve. The side of the injection molding barrel has a feed port, and the feed port is connected to the pumping input material assembly through a section of hose; the upper end of the injection molding barrel is provided with a spiral press for extruding materials.

[0009] Preferably, the material unloading support frame is in the shape of a rectangular frame as a whole, the injection molding barrel is in the shape of a rectangular frame penetrating from top to bottom, and each of the four corners of the injection molding barrel is provided with a top frame.

[0010] Preferably, below the multi-channel injection valve is the mold inlet and outlet channel, and a set of side limit assemblies are respectively provided on both sides of the injection molding barrel along the direction of the mold inlet and outlet channel, and the side limit assemblies include a limit bracket, one end of the limit bracket is installed on the top of the unloading support frame, and the other end of the limit bracket is provided with a limit roller, the limit roller is rotatably connected to the limit bracket, and the limit rollers in the two sets of the side limit assemblies respectively abut the outer side wall of the injection molding barrel from two opposite directions.

[0011] Preferably, the limit bracket includes two obliquely arranged limit rods, one end of the two limit rods in the same direction is provided with a limit horizontal mounting plate, two waist-shaped holes are provided on the limit horizontal mounting plate, and the other end of the two limit rods in the same direction is provided with two hinged seats side by side, and each hinged seat is installed with a limit roller.

[0012] Preferably, the top frame includes a horizontal frame plate, an upper vertical frame plate, a first lower vertical frame plate and a second lower vertical frame plate, the horizontal frame plate is respectively fixed to two adjacent side walls of the injection molding barrel, the upper vertical frame plate is in the shape of a triangular plate, one right-angled side of the upper vertical frame plate is fixed to the side edge of the injection molding barrel, and the other right-angled side of the upper vertical frame plate is fixed to the upper plane of the horizontal frame plate, the first lower vertical frame plate and the second lower vertical frame plate are both in the shape of a triangular plate, one right-angled side of the first lower vertical frame plate is fixed to the side wall of the injection molding barrel, the other right-angled side of the first lower vertical frame plate is fixed to the lower plane of the horizontal frame plate, one right-angled side of the second lower vertical frame plate is fixed to the other side wall of the injection molding barrel, and the other right-angled side of the first lower vertical frame plate is fixed to the lower plane of the horizontal frame plate.

[0013] Preferably, a press mounting plate is provided on the top of the injection molding barrel, one end of the press mounting plate is hinged to a side wall of the injection molding barrel, the other end of the press mounting plate is movably clamped to another opposite side wall of the injection molding barrel, and the screw press is installed on the press mounting plate.

[0014] Preferably, the press machine mounting plate is hinged to the injection molding barrel via a hinge joint, one end of the hinge joint is fixed to the press machine mounting plate, the other end of the hinge joint is fixed to the side wall of the injection molding barrel, the press machine mounting plate is movably clamped to the injection molding barrel via a clamping joint, the clamping joint includes a rod seat and a rotating rod, the rod seat is fixed to the injection molding barrel, one end of the rotating rod is hinged to the rod seat, and one end of the rotating rod is provided with a pressure plate for pressing the press machine mounting plate, and the pressure plate is disc-shaped.

[0015] Preferably, the pumping input material component is connected to include: a hydraulic pump station, a mixer, a mixing and discharging valve, a feed pump and a feed pumping hard pipeline. The hydraulic pump station is used to provide mixing power for the mixer, and the mixer is connected to the hose via the mixing and discharging valve, the feed pump and the feed pumping hard pipeline in sequence.

[0016] Preferably, a position sensor for sensing the position of the injection molding barrel is provided on the material unloading support frame.

[0017] Preferably, the multi-channel injection valve comprises: an upper discharge plate, an intermediate material distribution partition and a lower discharge plate, the upper discharge plate is provided with a plurality of upper discharge channels arranged at intervals, the lower discharge plate is provided with a lower discharge channel corresponding to the position of each upper discharge channel, the intermediate material distribution partition is provided with a number of material transfer channels which is the same as the number of the upper discharge channels; a sliding guide plate is further provided between the upper discharge plate and the lower discharge plate, the sliding guide plate is provided with a guide groove, the intermediate material distribution partition is provided in the guide groove, and the intermediate material distribution partition is slidably connected to the sliding guide plate; the upper discharge plate, the sliding guide plate and the lower discharge plate are sequentially fitted from top to bottom, The thickness of the intermediate material dividing partition is smaller than the thickness of the sliding guide plate; a linear telescopic power piece is connected to one side of the intermediate material dividing partition, and the linear telescopic power piece is used to drive the intermediate material dividing partition to move back and forth along the guide groove to realize the connection and closing between the upper discharge channel and the lower discharge channel; a recessed installation sealing groove is provided on the top of the upper discharge plate, and the shape of the installation sealing groove matches the shape of the lower peripheral edge of the injection molding barrel, the upper discharge plate is fixed to the lower part of the injection molding barrel, and the lower edge of the injection molding barrel extends into the installation sealing groove, and each of the upper discharge channels is respectively connected to the discharge port.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the injection device of the flow plastic material forming machine of the present invention has the following advantages:

[0020] The injection device of the fluid plastic material forming machine of the present invention can solve the technical problem that the sticky slag material is sticky after being mixed with the admixture and needs to be quickly formed. When using the single-cavity multi-channel injection method, uniform multi-channel discharge can be achieved, and rapid injection molding of viscous materials can be achieved. The injection process can also set different injection times according to the viscosity of the material to ensure that the surface of the multi-joint mold is smooth and there is very little secondary waste on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0022] Figure 1 A three-dimensional view of the injection device of the flow plastic material forming machine of the present invention from one direction;

[0023] Figure 2 A three-dimensional view of the injection device of the flow plastic material forming machine of the present invention from another direction;

[0024] Figure 3 A three-dimensional diagram of a partial structure of the present invention;

[0025] Figure 4 for Figure 3 The main view;

[0026] Figure 5 for Figure 3 A top view of

[0027] Figure 6 for Figure 3 Bottom view of

[0028] Figure 7 It is a structural schematic diagram of a clamping joint in the injection device of the fluid plastic material forming machine of the present invention;

[0029] Figure 8 It is a structural schematic diagram of an articulated joint in the injection device of the fluid plastic material forming machine of the present invention;

[0030] Fig. 9 It is a structural schematic diagram of the side limit assembly in the injection device of the flow plastic material forming machine of the present invention;

[0031] Fig.10 The structure of the multi-channel injection valve in the injection device of the fluid plastic material forming machine of the present invention is schematically shown. Figure 1 (combined state);

[0032] Fig.11 The structure of the multi-channel injection valve in the injection device of the fluid plastic material forming machine of the present invention is schematically shown. Figure 2 (decomposed state).

[0033] Description of reference numerals:

[0034] 400. Multi-channel injection valve;

[0035] 14. Unloading support frame, 15. Injection molding barrel, 16. Top frame, 17. Synchronous lifting device, 18. Hose, 19. Pumping input material assembly, 20. Screw press, 21. Limit bracket, 22. Limit roller, 23. Press mounting plate, 24. Hinge joint, 25. Card joint;

[0036] 151. discharge port, 152. feed port;

[0037] 161. horizontal frame plate, 162. upper vertical frame plate, 163. first lower vertical frame plate, 164. second lower vertical frame plate;

[0038] 171. Worm gear elevator, 172. Synchronous motor;

[0039] 191. Hydraulic pump station, 192. Mixer, 193. Mixer discharge valve, 194. Feed pump, 195. Feed pump hard pipeline;

[0040] 211. Limiting diagonal rod, 212. Limiting horizontal mounting plate, 213. Waist-shaped hole, 214. Articulated seat;

[0041] 251. rod seat, 252. rotating rod, 253. pressure plate;

[0042] 1711. Ejector;

[0043] 01. Upper discharge plate, 02. Middle material dividing partition, 03. Lower discharge plate, 04. Sliding guide plate, 05. Linear telescopic power part, 011. Upper discharge channel, 013. Installation sealing groove, 021. Feeding channel, 031. Lower discharge channel, 041. Guide groove. DETAILED DESCRIPTION

[0044] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0045] The following is combined with Figure 1-11 The injection device of the fluid plastic material forming machine of the present invention is further described.

[0046] Please focus on Figure 1-4 The present invention discloses an injection device for a flow plastic material forming machine, comprising a feed support frame 14 which is in the shape of a frame as a whole, a compression molding barrel 15 for containing materials is arranged inside the feed support frame 14, a plurality of raised top frames 16 are arranged on the upper outer side of the compression molding barrel 15, the feed device for the flow plastic material forming machine also comprises a synchronous lifting device 17 surrounding the compression molding barrel 15 and used for controlling the lifting of the compression molding barrel 15, the synchronous lifting device 17 is installed on the feed support frame 14, and the feed support frame 14 is provided with a plurality of raised top frames 16. The inner wall of the support frame 14, the synchronous lifting device 17 includes a push rod 1711, and a push rod 1711 is provided under each top frame 16. The lower end of the injection molding barrel 15 is a discharge port 151, and the discharge port 151 is provided with a multi-channel injection valve 400. The side of the injection molding barrel 15 has a feed port 152, and the feed port 152 is connected to the pumping input material component 19 through a section of hose 18; the upper end of the injection molding barrel 15 is provided with a screw press 20 for extruding materials.

[0047] In this embodiment, the material unloading support frame 14 is used to support the injection molding barrel 15 and the upper components. The synchronous lifting device 17 lifts the top frame 16 to enable the injection molding barrel 15 to move straight up and down. The synchronous lifting device 17 is a prior art, and the synchronous lifting device 17 includes four worm gear lifts 171 connected end to end and a synchronous motor 172 for driving the worm gear lifts 171 to move up and down, and each worm gear lift 171 includes a push rod 1711. The worm gear lift 171 is an existing purchased part, and the structure of the synchronous lifting device 17 is also a prior art, which will not be repeated here.

[0048] Since the injection molding barrel 15 needs to move up and down, the pipe directly connected to the injection molding barrel 15 is set as a hose 18. When the injection molding barrel 15 moves up and down, one end of the hose 18 can move with it to ensure that the hose 18 is always connected. In addition, the pumping input material component 19 will vibrate when working. The use of the hose 18 can also avoid the vibration from being directly transmitted to the injection molding barrel 15, reducing the impact of the vibration of the pumping input material component 19 on the injection molding barrel 15.

[0049] When in use, the material forming mold is placed below the multi-channel injection valve 400, and the material is pumped into the injection molding barrel 15 through the hose 18 by the pump input component 19. The screw press 20 is used to provide the force of the screw downward pressure, and the switch of the multi-channel injection valve 400 is turned on to make the material in the injection molding barrel 15 flow out from the discharge port 151 and be injected into the material forming mold through the multi-channel injection valve 400. After the cavity of the material forming mold is filled, the synchronous lifting device 17 is activated to move the injection molding barrel 15 upward for a distance as a whole, disconnect the material bonded between the multi-channel injection valve 400 and the material forming mold, then remove the material forming mold, push in the empty material forming mold, move the injection molding barrel 15 upward to the top of the material forming mold as a whole, and then inject the material through the multi-channel injection valve 400. Repeat the above steps to realize continuous injection of the flow-molded material to form the desired building products.

[0050] The structure of the present invention can realize pressurized injection, which is suitable for pressure injection molding of viscous materials. When in use, the flow rate of the material is controlled by the screw press 20, and the multi-channel injection valve 400 has multiple independent discharge channels, which can simultaneously inject materials into multiple cavities of the mold, greatly improving the molding efficiency.

[0051] According to a specific embodiment of the present invention, the material unloading support frame 14 is in the shape of a rectangular frame as a whole, and the injection molding barrel 15 is in the shape of a rectangular frame penetrating from top to bottom. A top frame 16 is provided at each of the four corners of the injection molding barrel 15 .

[0052] In this embodiment, the structure of the injection molding barrel 15 is rectangular, which matches the rectangular mold shape. The force of the ejector rod 1711 is transmitted through the top frame 16 located at the four corners of the injection molding barrel 15, which is beneficial to improve the uniformity of the force and ensure that the injection molding barrel 15 is lifted and lowered smoothly.

[0053] Please focus on Figure 5-6 According to a specific embodiment of the present invention, the multi-channel injection valve 400 is located below the mold inlet and outlet channel, and a set of side limit assemblies are respectively provided on both sides of the injection molding barrel 15 along the direction of the mold inlet and outlet channel, and the side limit assemblies include a limit bracket 21, one end of the limit bracket 21 is installed on the top of the unloading support frame 14, and the other end of the limit bracket 21 is provided with a limit roller 22, the limit roller 22 is rotatably connected to the limit bracket 21, and the limit rollers 22 in the two sets of side limit assemblies respectively abut the outer side wall of the injection molding barrel 15 from two opposite directions.

[0054] When in use, the mold inlet and outlet passage is used for the inlet and outlet of the mold. When the mold is filled with viscous materials, since there is still some material adhering between the multi-channel injection valve 400 and the mold, a certain lateral pulling force will be applied to the bottom of the multi-channel injection valve 400 when the mold is moved out. In this embodiment, by setting a side limit assembly, the injection molding barrel 15 can be limited along the direction of the mold inlet and outlet passage, which can effectively limit the position of the injection molding barrel 15 and the multi-channel injection valve 400, and resist the influence of the mold movement on the injection molding barrel 15. When limiting, the limiting roller 22 is in contact with the outer wall of the injection molding barrel 15, and the limiting roller 22 can rotate around its own axis, so it will not affect the free up and down movement of the injection molding barrel 15.

[0055] Please focus on Fig. 9 According to a specific embodiment of the present invention, the limiting bracket 21 includes two inclined limiting oblique rods 211, one end of the two limiting oblique rods 211 in the same direction is provided with a limiting horizontal mounting plate 212, and two waist-shaped holes 213 are provided on the limiting horizontal mounting plate 212, and the other end of the two limiting oblique rods 211 in the same direction is provided with two articulated seats 214 side by side, and each articulated seat 214 is installed with a limiting roller 22.

[0056] In this embodiment, each side limit assembly includes two limit rollers 22, which can increase the width of the limit and improve the stability of the limit. In addition, the limit diagonal rods 211 in each side limit assembly are arranged in pairs and bear force together, which can increase the force bearing capacity. The limit diagonal rods 211 are inclined structures. On the one hand, they can avoid interference with the synchronous lifting device 17. On the other hand, the limit bracket 21 is tilted downward as a whole, which can ensure that the limit roller 22 is located in the support frame, realize the protection of the rotating parts, and improve the compactness of the structure of the device. The waist-shaped hole 213 on the limit horizontal mounting plate 212 is convenient for installation, and it is convenient to adjust the installation position according to the actual situation to ensure that the limit roller 22 just abuts the outer wall of the injection molding barrel 15.

[0057] Please focus on Figure 7 According to a specific embodiment of the present invention, the top frame 16 includes a horizontal frame plate 161, an upper vertical frame plate 162, a first lower vertical frame plate 163 and a second lower vertical frame plate 164. The horizontal frame plate 161 is fixed to two adjacent side walls of the injection molding barrel 15 respectively, and the upper vertical frame plate 162 is a triangular plate. One right-angled side of the upper vertical frame plate 162 is fixed to the side of the injection molding barrel 15, and the other right-angled side of the upper vertical frame plate 162 is fixed to the upper plane of the horizontal frame plate 161. The first lower vertical frame plate 163 and the second lower vertical frame plate 164 are both triangular plate-shaped, one right-angled side of the first lower vertical frame plate 163 is fixed to the side wall of the injection molding barrel 15, the other right-angled side of the first lower vertical frame plate 163 is fixed to the lower plane of the horizontal frame plate 161, one right-angled side of the second lower vertical frame plate 164 is fixed to the other side wall of the injection molding barrel 15, and the other right-angled side of the first lower vertical frame plate 163 is fixed to the lower plane of the horizontal frame plate 161.

[0058] In this embodiment, longitudinal force transmission plates (upper vertical frame plate 162, first lower vertical frame plate 163 and second lower vertical frame plate 164) are evenly and staggeredly arranged on the upper and lower parts of the horizontal frame plate 161 that is directly subjected to force, so as to evenly distribute the force of the ejector rod 1711 on the injection molding barrel 15. The force effect of the ejector frame 16 and the injection molding barrel 15 is improved, which helps to avoid the situation of local failure of the components.

[0059] According to a specific embodiment of the present invention, a press machine mounting plate 23 is provided on the top of the injection molding barrel 15, one end of the press machine mounting plate 23 is hinged to a side wall of the injection molding barrel 15, and the other end of the press machine mounting plate 23 is movably connected to another opposite side wall of the injection molding barrel 15, and the screw press 20 is installed on the press machine mounting plate 23.

[0060] In this embodiment, one end of the press machine mounting plate 23 is hinged, and the other end can be opened. During the use of the present invention, due to the high viscosity of the material, when the material is too thick or blocked during use, it is necessary to flush and clean the injection molding barrel 15. The structure of this embodiment is adopted to facilitate the loading and opening of the screw press 20, and the cleaning is more convenient and quick.

[0061] Please focus on Figure 7-8 According to a specific embodiment of the present invention, the press mounting plate 23 is hinged to the injection molding barrel 15 via a hinge joint 24, one end of the hinge joint 24 is fixed to the press mounting plate 23, and the other end of the hinge joint 24 is fixed to the side wall of the injection molding barrel 15, and the press mounting plate 23 is movably connected to the injection molding barrel 15 via a clamping joint 25, and the clamping joint 25 includes a rod seat 251 and a rotating rod 252, the rod seat 251 is fixed to the injection molding barrel 15, one end of the rotating rod 252 is hinged to the rod seat 251, and one end of the rotating rod 252 is provided with a pressure plate 253 for pressing the press mounting plate 23, and the pressure plate 253 is disc-shaped.

[0062] The clamping joint 25 includes a clamping state and an open state. In the clamping state, the rotating rod 252 is in a vertical state, the pressure plate 253 presses the press machine mounting plate 23, and the press machine mounting plate 23 cannot be opened. In the open state, the rotating rod 252 is in a horizontal state, the pressure plate 253 is loosened, and the press machine mounting plate 23 can be opened around the hinge joint 24.

[0063] According to a specific embodiment of the present invention, the pumping input material component 19 includes: a hydraulic pump station 191, a mixer 192, a mixing and discharging valve 193, a feed pump 194 and a feed pumping hard pipeline 195. The hydraulic pump station 191 is used to provide mixing power for the mixer 192. The mixer 192 is connected to the hose 18 via the mixing and discharging valve 193, the feed pump 194 and the feed pumping hard pipeline 195 in sequence.

[0064] In this embodiment, under the power of the hydraulic pump station 191, the mixer 192 rotates and mixes various materials including shield slag evenly. The mixed materials flow out through the mixing discharge valve 193, and under the action of the feed pump 194, they are sent through the feed pump hard pipe 195 and the hose 18 into the injection molding barrel 15 to achieve continuous feeding.

[0065] According to a specific embodiment of the present invention, a position sensor for sensing the position of the injection molding barrel 15 is provided on the material unloading support frame 14 .

[0066] In this embodiment, by providing a plurality of position sensors, the position of the injection molding barrel 15 can be detected, which is beneficial for cooperating with the electrical control system to realize automatic control.

[0067] Please focus on Figure 10-11According to a specific embodiment of the present invention, the multi-channel injection valve 400 includes: an upper discharge plate 01, an intermediate material distribution partition 02 and a lower discharge plate 03, the upper discharge plate 01 is provided with a plurality of upper discharge channels 011 arranged at intervals, the lower discharge plate 03 is provided with a lower discharge channel 031 corresponding to the position of each upper discharge channel 011, the intermediate material distribution partition 02 is provided with a number of material transfer channels 021 equal to the number of the upper discharge channels 011; a sliding guide plate 04 is further provided between the upper discharge plate 01 and the lower discharge plate 03, the sliding guide plate 04 is provided with a guide groove 041, the intermediate material distribution partition 02 is arranged in the guide groove 041, and the intermediate material distribution partition 02 is slidably connected to the sliding guide plate 04; the upper discharge plate 01, the sliding guide plate 04 and the lower The discharge plates 03 are fitted in sequence from top to bottom, and the thickness of the middle material dividing partition 02 is less than the thickness of the sliding guide plate 04; a linear telescopic power part 05 is connected to one side of the middle material dividing partition 02, and the linear telescopic power part 05 is used to drive the middle material dividing partition 02 to move back and forth along the guide groove 041 to realize the connection and closing between the upper discharge channel 011 and the lower discharge channel 031; a recessed installation sealing groove 013 is provided on the top of the upper discharge plate 01, and the shape of the installation sealing groove 013 matches the shape of the lower peripheral edge of the injection molding barrel 15, the upper discharge plate 01 is fixed to the lower part of the injection molding barrel 15, and the lower edge of the injection molding barrel 15 extends into the installation sealing groove 013, and each upper discharge channel 011 is respectively connected to the discharge port 151.

[0068] More specifically, the linear telescopic power member 05 is a telescopic oil cylinder or a telescopic air cylinder.

[0069] In this embodiment, the multi-channel injection valve 400 includes an open state and a closed state. When the multi-channel injection valve 400 is in the open state, the upper discharge channel 011 is connected to the lower discharge channel 031 through the material channel 021. When the multi-channel injection valve 400 is in the closed state, the middle material dividing partition 02 blocks the communication between the upper discharge channel 011 and the lower discharge channel 031. The specific description is as follows.

[0070] The linear telescopic power member 05 drives the middle material dividing partition 02 to move. When the material passage 021 moves to a position aligned with the upper material discharge channel 011, the upper material discharge channel 011 is connected to the lower material discharge channel 031, and the multi-channel injection valve 400 is in an open state. When the material passage 021 moves to a position where the material passage 021 is staggered with the upper material discharge channel 011, and the middle material dividing partition 02 covers all the upper material discharge channels 011, the connection between the upper material discharge channel 011 and the lower material discharge channel 031 is blocked, and the multi-channel injection valve 400 is in a closed state.

[0071] The multi-channel injection valve 400 cooperates with the upper and lower fixed discharge plates and the middle material dividing partition 02 to achieve timely passage and flow control of materials, and can simultaneously inject materials into each cavity of the multi-cavity mold, realizing multi-channel uniform injection of fluidized materials, which is conducive to quickly and effectively filling each cavity and greatly improving the efficiency of injection. In addition, the opening and closing of all injection channels can be controlled simultaneously and quickly.

[0072] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements, or it can be a "transmission connection", that is, a power connection through various appropriate methods such as belt drive, gear drive or sprocket drive. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A material injection device for a fluid plastic material forming machine, characterized in that: The invention comprises a material discharge support frame which is in the shape of a frame as a whole, wherein an injection molding barrel for containing materials is arranged in the material discharge support frame, and a plurality of raised top frames are arranged on the upper outer side of the injection molding barrel, and the injection device of the flow plastic material forming machine also comprises a synchronous lifting device which surrounds the injection molding barrel and is used to control the lifting and lowering of the injection molding barrel, and the synchronous lifting device is installed on the inner side wall of the material discharge support frame, and the synchronous lifting device comprises a push rod, and each push rod is arranged under the top frame, and the lower end of the injection molding barrel is a discharge port, and the discharge port is provided with a multi-channel injection valve, and the side of the injection molding barrel is provided with a feed port, and the feed port is connected with a pumping input material component through a section of a hose; the upper end of the injection molding barrel is provided with a spiral press for extruding materials; The material unloading support frame is in the shape of a rectangular frame as a whole, the injection molding barrel is in the shape of a rectangular frame penetrating from top to bottom, and the four corners of the injection molding barrel are respectively provided with a top frame; Below the multi-channel injection valve is the mold inlet and outlet channel, and a set of side limit assemblies are respectively provided on both sides of the injection molding barrel along the direction of the mold inlet and outlet channel, and the side limit assemblies include a limit bracket, one end of the limit bracket is installed on the top of the unloading support frame, and the other end of the limit bracket is provided with a limit roller, the limit roller is rotatably connected to the limit bracket, and the limit rollers in the two sets of the side limit assemblies respectively abut the outer side wall of the injection molding barrel from two opposite directions.

2. The injection device of the flow plastic material forming machine according to claim 1, characterized in that: The limit bracket includes two inclined limit rods, one end of the two limit rods in the same direction is provided with a limit horizontal mounting plate, two waist-shaped holes are provided on the limit horizontal mounting plate, and the other end of the two limit rods in the same direction is provided with two hinge seats side by side, and each hinge seat is installed with a limit roller.

3. The injection device of the flow plastic material forming machine according to claim 2, characterized in that: The top frame includes a horizontal frame plate, an upper vertical frame plate, a first lower vertical frame plate and a second lower vertical frame plate, the horizontal frame plate is respectively fixed to two adjacent side walls of the injection molding barrel, the upper vertical frame plate is in the shape of a triangular plate, one right-angled side of the upper vertical frame plate is fixed to the side edge of the injection molding barrel, the other right-angled side of the upper vertical frame plate is fixed to the upper plane of the horizontal frame plate, the first lower vertical frame plate and the second lower vertical frame plate are both in the shape of a triangular plate, one right-angled side of the first lower vertical frame plate is fixed to the side wall of the injection molding barrel, the other right-angled side of the first lower vertical frame plate is fixed to the lower plane of the horizontal frame plate, one right-angled side of the second lower vertical frame plate is fixed to the other side wall of the injection molding barrel, and the other right-angled side of the first lower vertical frame plate is fixed to the lower plane of the horizontal frame plate.

4. The injection device of the flow plastic material forming machine according to claim 3, characterized in that: A press mounting plate is provided on the top of the injection molding barrel, one end of the press mounting plate is hinged to a side wall of the injection molding barrel, and the other end of the press mounting plate is movably engaged with another opposite side wall of the injection molding barrel, and the screw press is installed on the press mounting plate.

5. The injection device of the flow plastic material forming machine according to claim 4, characterized in that: The press mounting plate is hinged to the injection molding barrel via a hinge joint, one end of the hinge joint is fixed to the press mounting plate, and the other end of the hinge joint is fixed to the side wall of the injection molding barrel. The press mounting plate is movably connected to the injection molding barrel via a clamping joint, and the clamping joint includes a rod seat and a rotating rod, the rod seat is fixed to the injection molding barrel, one end of the rotating rod is hinged to the rod seat, and one end of the rotating rod is provided with a pressure plate for pressing the press mounting plate, and the pressure plate is disc-shaped.

6. The injection device of the flow plastic material forming machine according to claim 5, characterized in that: The pumping input material component connection includes: a hydraulic pump station, a mixer, a mixing and discharging valve, a feed pump and a feed pumping hard pipeline. The hydraulic pump station is used to provide mixing power for the mixer. The mixer is connected to the hose via the mixing and discharging valve, the feed pump and the feed pumping hard pipeline in sequence.

7. The injection device of the flow plastic material forming machine according to claim 6, characterized in that: The unloading support frame is provided with a position sensor for sensing the position of the injection molding barrel.

8. The injection device of the flow plastic material forming machine according to any one of claims 1 to 7, characterized in that: The multi-channel injection valve comprises: an upper discharge plate, an intermediate material distribution partition and a lower discharge plate, wherein the upper discharge plate is provided with a plurality of upper discharge channels arranged at intervals, and the lower discharge plate is provided with a lower discharge channel corresponding to the position of each upper discharge channel, and the intermediate material distribution partition is provided with a material transfer channel with the same number as the upper discharge channels; a sliding guide plate is further provided between the upper discharge plate and the lower discharge plate, and a guide groove is provided on the sliding guide plate, and the intermediate material distribution partition is arranged in the guide groove, and the intermediate material distribution partition is slidably connected to the sliding guide plate; the upper discharge plate, the sliding guide plate and the lower discharge plate are sequentially fitted from top to bottom, and the The thickness of the middle material dividing partition is smaller than the thickness of the sliding guide plate; a linear telescopic power piece is connected to one side of the middle material dividing partition, and the linear telescopic power piece is used to drive the middle material dividing partition to move back and forth along the guide groove to realize the connection and closing between the upper discharge channel and the lower discharge channel; the top of the upper discharge plate is provided with a recessed installation sealing groove, and the shape of the installation sealing groove matches the shape of the lower peripheral edge of the injection molding barrel, the upper discharge plate is fixed to the lower part of the injection molding barrel, and the lower edge of the injection molding barrel extends into the installation sealing groove, and each of the upper discharge channels is respectively connected to the discharge port.

Images