CPVC (Chlorinated Polyvinyl Chloride) pipeline injection molding machine
By adopting a motor-driven threaded rod system and a water-cooling system in the CPVC pipe injection molding machine, the problem of workpieces being difficult to remove from the mold has been solved, improving production efficiency and product quality, optimizing mold cooling efficiency, and reducing energy consumption.
Patent Information
- Application Number
- CN202520412977.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing general-purpose injection molding machines suffer from poor material thermal stability, high melt viscosity, difficulty in accurately controlling plasticizing temperature and injection parameters, low mold cooling efficiency, and inconvenient mold changing when processing CPVC pipes, which affects production efficiency and product quality.
A CPVC pipe injection molding machine was designed, which uses a motor-driven threaded rod system to push the guide plate into the conductive groove to push out the workpiece. Combined with a water cooling system to cool the mold, and using the residual heat of the mold to preheat the plasticizing components, energy consumption is reduced.
This allows workpieces to be easily ejected from the mold, improving production efficiency and product quality, optimizing mold cooling efficiency, and reducing energy consumption.
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Figure CN223877458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine technical field, concretely is a CPVC pipeline injection molding machine. BACKGROUND
[0002] In many fields such as building, chemical industry, CPVC pipeline is widely applied due to strong corrosion resistance, high temperature resistance and other advantages, and its production mainly relies on injection molding machine, but the general injection molding machine has many deficiencies when processing CPVC pipeline, CPVC material has poor thermal stability and high melt viscosity, and conventional injection molding machine is difficult to accurately control plasticizing temperature and injection parameters, which easily leads to material decomposition or poor forming, and the mold cooling efficiency, mold changing convenience and other aspects also lack targeted optimization, affecting production efficiency and product quality, in order to meet the high-quality and efficient production demand of CPVC pipeline, an injection molding machine specially designed and improved according to the characteristics of CPVC pipeline is urgently needed, and therefore the utility model patent is proposed.
[0003] The utility model discloses a pipeline injection molding machine uses mould, including work table, first mould and second mould, be provided with first mould on the work table, the work table side is provided with controller, be provided with mounting bracket on the work table, the mounting bracket sets up at first mould both ends, be provided with crossbeam on the mounting bracket, be provided with hydraulic cylinder on the crossbeam, be provided with telescopic handle on the hydraulic cylinder, and hydraulic cylinder works and drives telescopic handle movement to further make mounting seat on telescopic handle go up and down, be provided with injection molding machine body above mounting seat, and the injection molding machine body is connected with second mould through connecting pipe.
[0004] The related technology in the above has the problems that the workpiece is not easy to be taken out from the mold after injection molding. UTILITY MODEL CONTENTS
[0005] The utility model discloses a CPVC pipeline injection molding machine, adopts the device to work to solve the problem that the workpiece is not easy to be taken out from the mold after injection molding.
[0006] To achieve the above object, the utility model provides the following technical scheme: a CPVC pipeline injection molding machine, comprising
[0007] The shell is provided with a water tank on the upper side, an injection molding assembly is installed in the shell, a fixed plate is installed on the inner wall of the shell, a first motor is installed through the shell, a feeding assembly is arranged on one side of the shell, and a plasticizing assembly is installed between the shell and the feeding assembly.
[0008] The injection molding assembly comprises a guide frame, a mold is installed in the guide frame, guide blocks are installed on both sides of the guide frame, and guide plates are installed at both ends of the guide frame.
[0009] A sliding rod slides through the middle of one guide block, and a threaded rod threaded through the middle of the other guide block. The drive end of the first motor is rotatably connected to the threaded rod.
[0010] The two ends of the fixed plate are rotatably connected to the sliding rod and the threaded rod, respectively. A battery is installed on the fixed plate. Two conductive grooves are opened on the fixed plate, located at both ends of the battery. The guide plates are slidably connected to the conductive grooves.
[0011] Conductive plates are installed on one side of the two guide plates facing each other. A connecting plate is installed between the two guide plates. Two lifting rods are installed on one side of the connecting plate. Pushing columns are installed on the output ends of the two lifting rods. The pushing columns slide through the guide frame and the mold. Wires are installed at both ends of the connecting plate. The conductive plates and lifting rods are electrically connected through the wires.
[0012] After the workpiece is injection molded in the mold, the first motor is started. The drive end of the first motor drives the threaded rod to rotate, which causes the guide block to move along the sliding rod. This causes the connecting plate to move towards one side of the fixed plate, so that one end of the two guide plates is inserted into the conductive groove. The two conductive plates are connected to the two ends of the battery, thus electrically connecting the lifting rod and the battery. The output end of the lifting rod drives the push column to move, thereby pushing the workpiece out of the mold and preventing the injection-molded workpiece from getting stuck in the mold and affecting the subsequent injection molding process.
[0013] Preferably, two water pipes are installed through the upper part of the outer shell, and the water pipes are connected to the water tank. Spray nozzles are installed at the lower end of the water pipes, and both spray nozzles are located on the upper side of the guide frame.
[0014] Water from the tank is sprayed onto the guide frame through nozzles, thereby cooling the mold and facilitating the cooling and shaping of the workpiece inside the mold.
[0015] Preferably, a water storage frame is installed on the upper side of the guide frame, multiple water inlet grooves are opened at the upper end of the guide frame, and water spray grooves are opened on both sides of the guide frame, with the water inlet grooves and water spray grooves connected together.
[0016] Water droplets sprayed from the nozzles gather in the water storage frame, and then spray from the water inlet tank onto the upper part of the mold. The water flows down along the water spraying tank from both sides of the guide frame, thereby evenly cooling the surface of the mold.
[0017] Preferably, the feeding assembly includes two support columns, a feeding hopper is installed between the two support columns, a feeding pipe is installed on the output end of the feeding hopper, the lower end of the feeding pipe is connected to the plasticizing assembly, and a fixing plate is installed on the support columns, the fixing plate is located on one side of the feeding pipe.
[0018] Plasticizing raw materials are fed into the feed pipe through the feed hopper and then enter the plasticizing component for plasticizing.
[0019] Preferably, the plasticizing assembly comprises a plasticizing pipe, the feeding pipe is communicated with the plasticizing pipe, one end of the plasticizing pipe is fixedly connected with the shell, the other end of the plasticizing pipe is fixedly connected with the fixed plate, the lower end of the plasticizing pipe is provided with a supporting seat, a rotating shaft is arranged in the plasticizing pipe, the rotating shaft is rotatably connected with the fixed plate, a spiral blade is fixedly arranged on the outer side of the rotating shaft, a second motor is arranged through the fixed plate, and the driving end of the second motor is fixedly connected with the rotating shaft.
[0020] The plasticizing raw material enters into the plasticizing pipe, the second motor is started, the driving end of the second motor drives the rotating shaft to rotate, thereby driving the spiral blade to rotate, the spiral blade pushes the raw material to move uniformly and stably, and the raw material is heated to be plasticized.
[0021] Preferably, a cavity is formed in the plasticizing pipe, a fan is arranged on one side of the shell, a connecting pipe is arranged on one side of the fan, and one end of the connecting pipe, away from the fan, is communicated with the cavity.
[0022] The water for cooling the mold is evaporated into high-temperature water vapor by the mold, the fan sucks the high-temperature vapor, guides the high-temperature vapor into the cavity along the connecting pipe, the high-temperature vapor can preheat the plasticizing pipe, and the energy consumption of the plasticizing assembly for heating the raw material is reduced while the waste heat of the mold is utilized.
[0023] Compared with the prior art, the CPVC pipeline injection molding machine has the following beneficial effects:
[0024] The CPVC pipeline injection molding machine provided by the utility model is characterized in that: the first motor is started after the workpiece is injection molded in the mold, the driving end of the first motor drives the threaded rod to rotate, thereby making the guide block move along the sliding rod, thereby driving the connecting plate to move to one side of the fixed plate, making one end of the two guide plates be inserted into the conductive groove, and connecting the two conductive sheets with the two ends of the battery, thereby electrically connecting the lifting and retracting rod with the battery, and driving the pushing column to move through the output end of the lifting and retracting rod, thereby pushing the workpiece out of the mold, preventing the injection-molded workpiece from being stuck in the mold and affecting the subsequent injection molding process. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a whole schematic view of the CPVC pipeline injection molding machine;
[0026] Figure 2 It is a sectional view of the shell of the CPVC pipeline injection molding machine;
[0027] Figure 3 It is a structural schematic view of the injection molding assembly of the CPVC pipeline injection molding machine;
[0028] Figure 4 It is a side schematic view of the injection molding assembly of the CPVC pipeline injection molding machine;
[0029] Figure 5The utility model discloses a guiding frame structure schematic diagram of CPVC pipeline injection molding machine.
[0030] Figure 6 The utility model discloses a feeding assembly and plasticizing assembly structure schematic diagram of CPVC pipeline injection molding machine.
[0031] In the drawing: 1, shell, 11, fan, 2, water tank, 21, water pipe, 22, shower nozzle, 3, injection molding assembly, 31, guiding frame, 311, guiding block, 312, sliding rod, 313, threaded rod, 314, first motor, 315, water storage frame, 316, water inlet groove, 317, water spraying groove, 32, mould, 33, fixed plate, 331, conductive groove, 34, battery, 35, guiding plate, 351, conductive sheet, 36, connecting plate, 361, lifting telescopic rod, 362, push column, 363, wire, 4, feeding assembly, 41, support column, 42, feeding hopper, 43, feeding pipe, 44, fixed plate, 5, plasticizing assembly, 51, plasticizing pipe, 511, cavity, 512, connecting pipe, 52, support seat, 53, rotating shaft, 54, helical blade, 55, second motor. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.
[0033] In order to further understand the content of the utility model, the utility model will be described in detail with reference to the drawings.
[0034] Combined with the drawings Figures 1-4The utility model provides a kind of CPVC pipe injection molding machine, including shell 1, water tank 2 is installed on the upper side of shell 1, injection molding assembly 3 is installed in the inside of shell 1, feed assembly 4 is arranged in the side of shell 1, plasticizing assembly 5 is installed between shell 1 and feed assembly 4, injection molding assembly 3 includes guide frame 31, die 32 is installed in guide frame 31, guide block 311 is installed in the both sides of guide frame 31, the middle portion of one of guide block 311 is slidably penetrated with sliding rod 312, the middle portion of another guide block 311 is threadedly penetrated with threaded rod 313, fixed plate 33 is installed on the inner wall of shell 1, the both ends of fixed plate 33 are rotatably connected with sliding rod 312 and threaded rod 313 respectively, first motor 314 is installed on shell 1 and is penetrated, the driving end of first motor 314 is rotatably connected with threaded rod 313, battery 34 is installed on fixed plate 33, two electrically conductive grooves 331 are formed in fixed plate 33, electrically conductive groove 331 is located at the both ends of battery 34, guide plate 35 is installed in the both ends of guide frame 31, guide plate 35 is slidably connected with electrically conductive groove 331, two guide plates 35 are installed on the side of each other with electrically conductive sheet 351, connecting plate 36 is installed between two guide plates 35, two telescopic rods 361 are installed on the side of connecting plate 36, push column 362 is installed on the output end of two telescopic rods 361, push column 362 is slidably penetrated with guide frame 31 and die 32, wire 363 is installed at the both ends of connecting plate 36, electrically conductive sheet 351 and telescopic rod 361 are electrically connected by wire 363, after workpiece is injection molded in die 32, start first motor 314, the driving end of first motor 314 drives threaded rod 313 to rotate, so that guide block 311 moves along sliding rod 312, so that connecting plate 36 moves towards the side of fixed plate 33, so that one end of two guide plates 35 is inserted into electrically conductive groove 331, two electrically conductive sheets 351 and the both ends of battery 34 are connected, so that telescopic rod 361 and battery 34 are electrically connected, the output end of telescopic rod 361 drives push column 362 to move, so that workpiece is pushed out from die 32, prevent the workpiece of injection molding from being stuck in die 32, influence subsequent injection molding process.
[0035] In combination Figures 2-3 、 Figure 5Two water pipes 21 are installed through the upper end of the shell 1, the water pipes 21 are communicated with the water tank 2, the lower end of the water pipes 21 is installed with a spray head 22, the two spray heads 22 are located on the upper side of the guide frame 31, the water in the water tank 2 is sprayed on the guide frame 31 through the spray head 22, so as to cool the mold 32, which is convenient for the cooling and forming of the workpiece in the mold 32, the upper side of the guide frame 31 is installed with a water storage frame 315, a plurality of water inlet grooves 316 are arranged on the upper end of the guide frame 31, water shower grooves 317 are arranged on the two sides of the guide frame 31, the water inlet grooves 316 and the water shower grooves 317 are communicated, the water droplets sprayed by the spray head 22 are gathered in the water storage frame 315, and then are sprinkled on the upper end of the mold 32 from the water inlet grooves 316, and the water flow slides from the two sides of the guide frame 31 along the water shower grooves 317, so as to uniformly cool the surface of the mold 32.
[0036] In combination Figure 2 , Figure 6 The feeding assembly 4 comprises two supporting columns 41, a feeding hopper 42 is installed between the two supporting columns 41, a feeding pipe 43 is installed on the output end of the feeding hopper 42, the lower end of the feeding pipe 43 is communicated with the plasticizing assembly 5, a fixed plate 44 is installed on the supporting column 41, and the fixed plate 44 is located on one side of the feeding pipe 43, the plasticizing raw material is put into the feeding pipe 43 through the feeding hopper 42, and then enters the plasticizing assembly 5 to perform plasticizing operation.
[0037] In combination Figure 2 , Figure 6The plasticizing assembly 5 comprises a plasticizing pipe 51, the feeding pipe 43 and the plasticizing pipe 51 are communicated, one end of the plasticizing pipe 51 is fixedly connected with the shell 1, an electromagnetic valve is installed at the connecting position of the plasticizing pipe 51 and the shell 1, which is used to control the amount of the raw material which is completely plasticized and enters into the shell 1, the other end of the plasticizing pipe 51 is fixedly connected with the fixed plate 44, a heating element which is composed of a resistance and a wire is installed on the inner wall of the plasticizing pipe 51, which is used to heat the raw material in the plasticizing pipe 51, a supporting seat 52 is installed at the lower end of the plasticizing pipe 51, a rotating shaft 53 is arranged in the plasticizing pipe 51, the rotating shaft 53 is rotatably connected with the fixed plate 44, a spiral blade 54 is fixedly installed on the outer side of the rotating shaft 53, a second motor 55 is installed through the fixed plate 44, the driving end of the second motor 55 is fixedly connected with the rotating shaft 53, the raw material enters into the plasticizing pipe 51, the second motor 55 is started, the driving end of the second motor 55 drives the rotating shaft 53 to rotate, thereby driving the spiral blade 54 to rotate, the spiral blade 54 pushes the raw material to move uniformly and stably, which is convenient for heating the raw material to plasticize, a cavity 511 is formed in the plasticizing pipe 51, a fan 11 is installed on one side of the shell 1, a connecting pipe 512 is installed on one side of the fan 11, one end of the connecting pipe 512 which is far away from the fan 11 is communicated with the cavity 511, the water which is used to cool the mold 32 is evaporated into high-temperature water vapor by the mold 32, the fan 11 sucks the high-temperature vapor and guides the high-temperature vapor into the cavity 511 along the connecting pipe 512, the high-temperature vapor can preheat the plasticizing pipe 51, which utilizes the residual heat of the mold 32 and reduces the energy consumption of the plasticizing assembly 5 for heating the raw material.
[0038] Working principle: after the workpiece is injection molded in the mold 32, the first motor 314 is started, the driving end of the first motor 314 drives the threaded rod 313 to rotate, thereby making the guide block 311 move along the sliding rod 312, thereby making the connecting plate 36 move to one side of the fixed plate 33, making one end of the two guide plates 35 insert into the conductive groove 331, the two conductive sheets 351 and the two ends of the battery 34 are connected, thereby electrically connecting the lifting and retracting rod 361 and the battery 34, the output end of the lifting and retracting rod 361 drives the pushing column 362 to move, thereby pushing the workpiece out of the mold 32, preventing the injection-molded workpiece from being stuck in the mold 32 and affecting the subsequent injection molding process.
[0039] It should be noted that, in the present document, the terms such as first and second, etc. are used merely to differentiate one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.
[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A CPVC pipe injection molding machine characterized by: The utility model provides a kind of injection molding machine, including The shell is installed with water tank on upper side, the inside of the shell is installed with injection molding assembly, the inner wall of the shell is installed with fixed plate, the shell is installed with first motor through, the shell is provided with feeding assembly on one side, and the shell and feeding assembly are installed with plasticizing assembly between; The injection molding assembly includes guide frame, the guide frame is installed with mold inside, the both sides of the guide frame are installed with guide block, and the both ends of the guide frame are installed with guide plate; The middle portion of one of the guide blocks is slidably penetrated by sliding rod, and the middle portion of the other guide block is threadedly penetrated by threaded rod, and the driving end of the first motor is rotatably connected with the threaded rod; The both ends of the fixed plate are rotatably connected with the sliding rod and the threaded rod respectively, the fixed plate is installed with battery, two conductive grooves are formed in the fixed plate, the conductive grooves are located at the both ends of the battery, and the guide plates are slidably connected with the conductive grooves; The opposite sides of the two guide plates are installed with conductive sheets, a connecting plate is installed between the two guide plates, the connecting plate is installed with two lifting and retracting rods on one side, the output ends of the two lifting and retracting rods are installed with push columns, the push columns are slidably penetrated through the guide frame and the mold, and the both ends of the connecting plate are installed with wires.
2. The CPVC pipe injection molding machine of claim 1, wherein: Two water pipes are installed through the upper end of the shell, the water pipes are in communication with the water tank, the lower ends of the water pipes are installed with spray heads, and the spray heads are located on the upper side of the guide frame.
3. The CPVC pipe injection molding machine of claim 1, wherein: The upper side of the guide frame is installed with water storage frame, a plurality of water inlet grooves are formed in the upper end of the guide frame, water shower grooves are formed in the both sides of the guide frame, and the water inlet grooves are in communication with the water shower grooves.
4. The CPVC pipe injection molding machine of claim 1, wherein: The feeding assembly includes two support columns, a feeding hopper is installed between the two support columns, a feeding pipe is installed on the output end of the feeding hopper, the lower end of the feeding pipe is in communication with the plasticizing assembly, a fixed plate is installed on the support column, and the fixed plate is located on one side of the feeding pipe.
5. The CPVC pipe injection molding machine of claim 4, wherein: The plasticizing assembly includes plasticizing pipe, the feeding pipe is in communication with the plasticizing pipe, one end of the plasticizing pipe is fixedly connected with the shell, the other end of the plasticizing pipe is fixedly connected with the fixed plate, the lower end of the plasticizing pipe is installed with support seat, a rotating shaft is arranged in the plasticizing pipe, the rotating shaft is rotatably connected with the fixed plate, helical blades are fixedly installed on the outer side of the rotating shaft, a second motor is installed through the fixed plate, and the driving end of the second motor is fixedly connected with the rotating shaft.
6. The CPVC pipe injection molding machine of claim 5, wherein: A cavity is formed in the plasticizing pipe, a fan is installed on one side of the shell, a connecting pipe is installed on one side of the fan, and the end of the connecting pipe away from the fan is in communication with the cavity.
Citation Information
Patent Citations
Mold for pipeline injection molding machine
CN214726013U