Material pipe type low-pressure injection molding machine
By introducing a temperature controller, mold clamping cylinder, mechanical safety device, and human-machine interface into the tubular low-pressure injection molding machine, the problem of unstable injection molding quality has been solved, the stability and safety of the injection molding process have been achieved, and the high quality and precision of the products have been ensured.
Patent Information
- Application Number
- CN202422816935.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing tubular low-pressure injection molding machines operate under low-pressure conditions, resulting in unstable injection quality and defects such as bubbles and shrinkage cavities, which affect product quality and reliability.
By incorporating components such as temperature controllers, mold-closing cylinders, mechanical safety blocks and rods, human-machine interfaces, and anti-vibration pads, the injection temperature is ensured to be within the optimal range, achieving uniform heating of the molten plastic and precise mold closing, reducing vibration, and improving injection stability and safety.
It achieves the integrity and precision of injection molded products, avoids defects caused by improper temperature and pressure, ensures the safety of the mold closing process and real-time monitoring of operation, and provides high-quality molten plastic for injection molding.
Smart Images
Figure CN223466597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine technical field, concretely, relates to material pipe type low pressure injection molding machine. BACKGROUND
[0002] Injection molding technology is an important method of manufacturing plastic products, is widely used in various industrial fields, according to the different injection molding process, injection molding technology can be divided into multiple types, including but not limited to gas auxiliary injection molding, sequence valve injection molding, composite injection molding, insert injection molding and low pressure injection molding etc., wherein, low pressure injection molding with its unique advantage occupies a place in industrial manufacturing;
[0003] The existing material pipe type low pressure injection molding machine in the process of using, the plastic raw material is melted under high temperature, then through injection system melt plastic is injected into closed mould, through specially designed material pipe system control melt plastic flow and pressure, ensure that the injection molding process is completed under low pressure condition, but actual use then there is the following problem, such as low pressure injection molding temperature and pressure are relatively low, this can lead to injection molding quality is not enough stable, product is easy to produce defects, such as bubble, shrinkage etc., thereby influence product's quality and reliability, bring trouble to staff, for this, we proposed material pipe type low pressure injection molding machine. UTILITY MODEL CONTENTS
[0004] (I) the technical problem solved
[0005] In view of the prior art's insufficient, the utility model's purpose lies in providing material pipe type low pressure injection molding machine, reached the function that improves injection molding stability.
[0006] (II) technical scheme
[0007] The utility model discloses a material pipe type low pressure injection molding machine, including the frame, one side fixed connection of frame top has the closing die main body, the centre of closing die main body surface is provided with motor mounting seat, the top of motor mounting seat is provided with the charging oil pressure motor, both sides of motor mounting seat all are provided with the injection charging cylinder body and the seat cylinder body, the left side of injection charging cylinder body is provided with the first closing die oil jar, one side of first closing die oil jar is provided with the mechanical safety block, the surface of mechanical safety block is provided with the mechanical safety lever, the right side of injection charging cylinder body is provided with the second closing die oil jar, one side of closing die main body is provided with the operation platform, one side of operation platform is provided with the lower mould plate, the upper mould plate is provided with the upper mould plate to the lower mould plate, the bottom of injection charging cylinder body is provided with the second closing die oil jar, the bottom of motor mounting seat is provided with the screw rod, the surface of screw rod is provided with the material pipe group, the bottom of material pipe group is provided with the integral type injection nozzle, the surface of material pipe group top is provided with the discharge gate, the surface of closing die main body is provided with the closing die sliding rail, the surface of frame is provided with the oil pressure pressure, the upper side of first closing die oil jar surface right side is provided with the temperature controller.
[0008] As a preferred scheme, the first closing die oil jar bottom is provided with a support stud around, and the bottom of the support stud is provided with a shockproof foot pad.
[0009] Through the above technical scheme, the shockproof foot pad is set to reduce the vibration of the injection molding machine during operation.
[0010] As a preferred scheme, the upper side of the first closing die oil jar surface right side and below the temperature controller is provided with a man-machine interface.
[0011] Through the above technical scheme, through the man-machine interface, the operator can conveniently know the working state and injection parameter of the equipment, so as to realize the real-time monitoring and adjustment of the injection process.
[0012] As a preferred scheme, the center of the first closing die oil jar surface right side is provided with a manual operation panel, and the left side of the first closing die oil jar surface is provided with a machine cover.
[0013] Through the above technical scheme, the manual operation panel is used to control the operation of the injection molding machine and monitor its state.
[0014] As a preferred scheme, the bottom of the frame side is provided with a heat dissipation opening, and the surface of the heat dissipation opening is provided with a protective net.
[0015] Through the above technical scheme, the protective net can play a shielding and protecting role.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the material pipe type low-pressure injection molding machine has the following beneficial effects.
[0018] 1、The temperature controller ensures that the temperature of the injection nozzle is always in the best range, avoids injection defects caused by excessively high or low temperature, realizes injection of molten plastic into the mold at appropriate pressure and speed through the integrated nozzle, thereby ensuring the integrity and precision of the injection product, realizes accurate mold closing of the mold through cooperation of the first mold closing oil cylinder and the second mold closing oil cylinder, and ensures safety during mold closing through the mechanical safety block and the mechanical safety rod, avoids equipment damage or personnel injury caused by operation errors, and realizes uniform heating and melting of the plastic raw material through the screw, thereby providing high-quality molten plastic for the subsequent injection process.
[0019] 2、The man-machine operation interface can enable the operator to conveniently know the working state and injection parameters of the equipment, thereby realizing real-time monitoring and adjustment of the injection process, the manual operation panel is used for controlling the operation of the injection molding machine and monitoring the state thereof, and the shockproof foot pad is used for reducing vibration during operation of the injection molding machine. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 It is a structural schematic view of the utility model;
[0021] Fig. 2 It is a structural schematic view of the utility model rack;
[0022] Fig. 3 It is a side view of the utility model schematic structure.
[0023] In the figure: 1, first mold closing oil cylinder; 2, mold closing main body; 3, mechanical safety block; 4, mold closing slide rail; 5, mechanical safety rod; 6, rack; 7, shockproof foot pad; 8, oil pressure; 9, operation platform; 10, lower mold plate; 11, upper mold plate; 12, integrated nozzle; 13, material pipe group; 14, discharge port; 15, second mold closing oil cylinder; 16, screw; 17, injection seat cylinder body; 18, injection feeding cylinder body; 19, motor mounting seat; 20, feeding oil pressure motor; 21, machine cover; 22, temperature controller; 23, man-machine operation interface; 24, manual operation panel. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model
[0025] Embodiment 1;
[0026] Please refer to Figs. 1-3 The utility model discloses a material pipe type low pressure injection molding machine, including frame 6, one side fixed connection of frame 6 top is connected with the closing die main body 2, the center of closing die main body 2 surface is provided with motor mounting seat 19, the top of motor mounting seat 19 is provided with the charging oil pressure motor 20, both sides of motor mounting seat 19 are provided with the injection charging cylinder body 18 and the seat cylinder body 17, the left side of injection charging cylinder body 18 is provided with the first closing die oil cylinder 1, and one side of first closing die oil cylinder 1 is provided with mechanical safety block 3, the surface of mechanical safety block 3 is provided with mechanical safety lever 5, the right side of injection charging cylinder body 18 is provided with the second closing die oil cylinder 15, one side of closing die main body 2 is provided with operation platform 9, one side of operation platform 9 is provided with lower mould plate 10, and the upper mould plate 11 is provided with the upper mould plate 10, and the bottom of injection charging cylinder body 18 is provided with the second closing die oil cylinder 15, the bottom of motor mounting seat 19 is provided with screw rod 16, the surface of screw rod 16 is provided with material pipe group 13, the bottom of material pipe group 13 is provided with integral nozzle 12, and the surface above material pipe group 13 is provided with the discharge port 14, the surface of closing die main body 2 is provided with closing die slide rail 4, the surface of frame 6 is provided with oil pressure 8, and the surface right side of first closing die oil cylinder 1 is provided with temperature controller 22.
[0027] Through the above technical scheme, through temperature controller 22, the temperature of injection nozzle is ensured to be in the best range all the time, avoids the injection defect caused by too high or too low temperature, through integral nozzle 12, realizes that the molten plastic is injected into the mold with suitable pressure and speed, thereby ensuring the integrity and precision of injection product, through the cooperation of first closing die oil cylinder 1 and second closing die oil cylinder 15, the accurate closing of mold is realized, and through the setting of mechanical safety block 3 and mechanical safety lever 5, the safety in the closing process is ensured, avoids the equipment damage or personnel injury caused by operation failure, through screw rod 16, the uniform heating and melting process of plastic raw materials are realized, and high-quality molten plastic is provided for subsequent injection process.
[0028] Embodiment 2;
[0029] As Figs. 1-3 Shown, the periphery of first closing die oil cylinder 1 bottom is provided with support stud, and the bottom of support stud is provided with shockproof foot pad 7, the surface right side of first closing die oil cylinder 1 is provided with man-machine interface 23 below temperature controller 22, the center of first closing die oil cylinder 1 surface right side is provided with manual operation panel 24, the left side of first closing die oil cylinder 1 surface is provided with machine cover 21, and the bottom of first closing die oil cylinder 1 side is provided with heat dissipation port, and the surface of heat dissipation port is provided with protective net.
[0030] Through the above technical scheme, through the man-machine operation interface 23, the operator can conveniently know the working state and injection molding parameter of the equipment, so that the real-time monitoring and adjustment of the injection molding process are realized, through the manual operation panel 24, the running of the injection molding machine is controlled and its state is monitored, through the setting of the shockproof foot pad 7, the vibration during the running of the injection molding machine is reduced.
[0031] The working principle of the utility model is: firstly, the user can pre-set and adjust the temperature of the material pipe group 13 and the upper die plate 11 and the lower die plate 10 through the temperature controller 22, so as to ensure that the plastic raw material can be uniformly melted, after the first clamping oil cylinder 1 and the second clamping oil cylinder 15 are started, the upper die plate 11 is pushed to move downwards along the clamping slide rail 4 until it is in close contact with the lower die plate 10, forming a closed mold cavity, the mechanical safety block 3 and the mechanical safety rod 5 play a protective role in the clamping process, preventing the mold from being damaged due to excessive pressure, and also protecting the operator from being injured, in the injection preparation stage, the plastic raw material in the material pipe is heated to a molten state under the adjustment of the temperature controller 22, the screw rod 16 rotates and moves forward under the driving of the feeding oil pressure motor 20, pushing the molten plastic into the injection feeding cylinder body 18, in the injection stage, the injection feeding cylinder body 18 pushes the screw rod 16 and the molten plastic to inject into the mold cavity through the integrated injection nozzle 12 under the action of the oil pressure 8, the injection seat cylinder body 17 ensures the stability and accuracy of the injection feeding cylinder body 18 in the injection process, in the pressure maintaining and cooling stage, the oil pressure 8 continues to maintain a certain pressure after the injection is completed, ensuring that the molten plastic is fully filled and solidified in the mold cavity, the temperature controller 22 continues to adjust the mold temperature to promote the cooling and solidification of the plastic, in the mold opening and part taking stage, the first clamping oil cylinder 1 and the second clamping oil cylinder 15 move reversely, pushing the upper die plate 11 to move upwards along the clamping slide rail 4 to open the mold, the operation platform 9 is used for the part taking operation of the operator to take out the solidified plastic product from the mold, the man-machine operation interface 23 provides the setting and monitoring function of the injection parameter, such as injection pressure, temperature, time, etc., the manual operation panel 24 allows the operator to manually control the running state of the injection molding machine in an emergency, the cycle and protection hood 21 provides necessary protection when the injection molding machine is running, preventing the operator from directly contacting the high temperature and high pressure components, the shockproof foot pad 7 and the rack 6 ensure that the injection molding machine remains stable and accurate during continuous operation, the whole process is circularly carried out under the accurate regulation of the control system, so that the plastic products meeting the requirements are efficiently and stably produced.
[0032] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.
Claims
1. Low pressure injection molding machine of the tube type, comprising a frame (6), characterized in that: The side of the top of the rack (6) is fixedly connected with a mold closing main body (2), the surface of the mold closing main body (2) is provided with a motor mounting seat (19), the top of the motor mounting seat (19) is provided with a feeding oil pressure motor (20), both sides of the motor mounting seat (19) are provided with an injection feeding cylinder (18) and a shot cylinder (17), the left side of the injection feeding cylinder (18) is provided with a first mold closing oil cylinder (1), one side of the first mold closing oil cylinder (1) is provided with a mechanical safety block (3), the surface of the mechanical safety block (3) is provided with a mechanical safety rod (5), the right side of the injection feeding cylinder (18) is provided with a second mold closing oil cylinder (15), one side of the mold closing main body (2) is provided with an operation platform (9), one side of the operation platform (9) is provided with a lower mold plate (10), the upper side of the lower mold plate (10) is provided with an upper mold plate (11), the bottom of the injection feeding cylinder (18) is provided with a second mold closing oil cylinder (15), the bottom of the motor mounting seat (19) is provided with a screw rod (16), the surface of the screw rod (16) is provided with a material pipe group (13), the bottom of the material pipe group (13) is provided with an integrated nozzle (12), the surface above the material pipe group (13) is provided with a discharging port (14), the surface of the mold closing main body (2) is provided with a mold closing slide rail (4), the surface of the rack (6) is provided with an oil pressure (8), the surface right side of the first mold closing oil cylinder (1) is provided with a temperature controller (22).
2. The tube-in-place low pressure injection molding machine of claim 1, wherein: The bottom of the first mold closing oil cylinder (1) is provided with supporting studs, and the bottom of the supporting studs is provided with shockproof foot pads (7).
3. The tube-in-place low pressure injection molding machine of claim 1, wherein: The surface right side of the first mold closing oil cylinder (1) and below the temperature controller (22) is provided with a man-machine operation interface (23).
4. The tube-in-place low pressure injection molding machine of claim 2, wherein: The center of the surface right side of the first mold closing oil cylinder (1) is provided with a manual operation panel (24), and the left side of the surface of the first mold closing oil cylinder (1) is provided with a machine cover (21).
5. The tube-in-place low pressure injection molding machine of claim 1, wherein: The bottom of the side of the rack (6) is provided with a heat dissipation port, and the surface of the heat dissipation port is provided with a protective net.