Glue melting power module for replacing glue melting motor

Abstract

The utility model discloses a glue melting power module for replacing a glue melting motor. The glue melting power module comprises a glue melting frame, the glue melting motor, a glue melting driving wheel, a glue melting driven wheel and a transmission shaft, the glue melting driven wheel is in transmission connection with the glue melting driving wheel through a synchronous belt; the transmission shaft is in transmission connection with the glue melting driven wheel, and the end, extending out of the glue melting frame, of the transmission shaft is used for stretching into the injection table and is in transmission connection with the glue melting screw. According to the utility model, a hydraulic motor is replaced by a synchronous belt system driven by a motor, so that an independent module can be prefabricated, is independently mounted at the rear end of an injection table, and is in transmission connection with a melt glue screw rod through a transmission shaft; therefore, the modularized glue melting system can form standardized production in production, the processing difficulty is reduced, and the production efficiency is improved; meanwhile, the universality is higher, and the device can be suitable for injection molding machines of different types and is not limited to specific application scenes; the glue melting power module can be directly replaced on the basis of an injection molding machine in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to a melting power module for replacing a melting motor. Background Art

[0002] An injection molding machine is a mechanical device used to manufacture plastic products. It injects heated and melted plastic into a mold and obtains the required plastic products after cooling and solidification. Injection molding machines are widely used in industrial production and can produce various plastic products, such as household appliance casings, automotive parts, daily necessities, medical devices, etc. During the injection molding process, first, the plastic added to the barrel needs to be turned into a molten state, that is, plastic particles or powders are added to the hopper of the injection molding machine, and these raw materials are then transported into the heating cylinder of the injection molding machine and heated by a heater to make it into a plastic state. In this process, the efficiency and stability of the power system are crucial.

[0003] Traditional injection molding machines usually use hydraulic motors as power sources and drive the operation of the injection molding machine through a hydraulic system. However, hydraulic motors have some problems, such as slow reaction speed, low efficiency, high energy consumption, etc. To solve the above problems, some manufacturers use electric motors as power sources and drive the operation of the injection molding machine through a gear transmission system. However, the existing power system has a complex structure, difficult assembly, and high maintenance costs; secondly, the existing power system cannot be modularized and cannot adapt to different machine models, which to a certain extent limits its application scope; finally, the existing power system has high energy consumption and is not conducive to energy conservation and emission reduction.

[0004] Therefore, how to design a power system with a simple structure, easy assembly, low maintenance cost, low energy consumption, and strong versatility is an urgent problem to be solved in the current field of injection molding machine equipment. Summary of the Utility Model

[0005] Therefore, to solve the problems existing in the above-mentioned prior art, the purpose of the utility model is to provide a melting power module for replacing a melting motor, which can be prefabricated into a separate module and installed at the rear end of the injection unit alone, and can form a transmission connection with the melting screw through a transmission shaft; in this way, not only can the modular melting system form a standardized production in production, reduce the processing difficulty, and improve the production efficiency.

[0006] The purpose of the utility model is achieved by adopting the following technical solutions:

[0007] A glue melting power module replacing a glue melting motor, the glue melting power module is installed at the end of a shooting platform of an injection molding machine and is used to drive a glue melting screw to rotate; it comprises a glue melting frame and a glue melting motor, a glue melting driving wheel, a glue melting driven wheel and a transmission shaft arranged on the glue melting frame; the glue melting motor is arranged on the top of the glue melting frame, the glue melting driving wheel is drivingly connected to the output shaft of the glue melting motor; the glue melting driven wheel is connected to the glue melting driving wheel through a synchronous belt transmission; the transmission shaft is drivingly connected to the glue melting driven wheel and extends toward the direction of the glue melting frame; a transversely penetrating assembly hole is provided on the glue melting frame; the transmission shaft can be rotatably inserted into the assembly hole and extends from the assembly hole to the outside of the glue melting frame in a direction away from the glue melting driven wheel, and one end of the transmission shaft extending outside the glue melting frame is used to extend into the shooting platform and be drivingly connected to the glue melting screw.

[0008] Further description, the assembly hole is provided with a front bearing and a rear bearing sleeved on the outer circumference of the transmission shaft at intervals; the outer circumference of the transmission shaft is radially recessed with a first groove and a second groove for assembling the front bearing and the rear bearing.

[0009] Further description: the front bearing and the rear bearing are both deep groove ball bearings.

[0010] It is further explained that the openings at both ends of the assembly hole are respectively provided with a front oil seal and a rear oil seal for sealing the front bearing and the rear bearing; the front oil seal and the rear oil seal are respectively fixed by the front bearing pressure cover and the rear bearing pressure cover.

[0011] Further description is given, the outer circumference of one end of the transmission shaft extending outside the melt frame is spaced apart with axially extending limit strips.

[0012] It is further explained that one end of the transmission shaft away from the screw is tightly connected to the center of the wheel disc of the melt glue driven wheel through a locking piece and rotates under the rotation of the melt glue driven wheel.

[0013] Further description, the glue melting frame is provided with a V-shaped supporting portion, the glue melting motor is mounted on the supporting portion through a motor mounting plate, and both sides of the motor mounting plate are locked on the supporting portion through fasteners.

[0014] It is further explained that a through hole is penetrated through the middle of the motor mounting plate, and the output shaft of the melt-melt motor passes through the through hole and is connected to the melt-melt driving wheel.

[0015] It is further specified that the melt motor is a servo motor.

[0016] Further description: the front oil seal and the rear oil seal are both skeleton type oil seals.

[0017] Compared with the prior art, the beneficial effects of the present invention are at least in the following aspects:

[0018] 1. By replacing the hydraulic motor with a synchronous belt system driven by a motor, the utility model can be prefabricated into a separate module, which can be separately installed at the rear end of the injection table and form a transmission connection with the plasticizing screw through a transmission shaft. In this way, not only can the modular plasticizing system form a standardized production in production, reduce the processing difficulty and improve the production efficiency, but also, assembled with complete functional units, only simple connection and fixation are required during the assembly process, eliminating the complex pipeline connection and debugging work in the installation of the hydraulic system, greatly reducing the complexity of on-site assembly and improving the assembly efficiency.

[0019] On the other hand, the modular synchronous belt system of the utility model not only realizes efficient assembly, but is easier to maintain and replace, has stronger versatility, and can be applied to injection molding machines of different models, not limited to specific application scenarios. It can directly replace this plasticizing power module on the basis of the existing injection molding machines, significantly improving the stability and consistency of the module.

[0020] 2. The synchronous belt system driven by a motor realizes higher energy efficiency and faster response speed. The plasticizing motor is connected to the gear through the synchronous belt system and can drive the plasticizing component with higher efficiency and stability. Specifically, the synchronous belt pulley has stable transmission, low loss, greatly reduced energy consumption, and the energy consumption of the whole machine is reduced by 5%. At the same time, the synchronous belt drive reduces the pressure fluctuation and leakage problems in the hydraulic system, and the wear of mechanical components is less.

[0021] 3. The utility model replaces the hydraulic motor with a synchronous belt system driven by a motor, improves the energy efficiency and response speed, reduces the energy consumption, has a simple structural design, is easy to maintain, and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the plasticizing power module replacing the plasticizing motor in the preferred embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of another angle of the overall structure of the plasticizing power module replacing the plasticizing motor in the preferred embodiment of the utility model;

[0024] Figure 3 It is a schematic sectional view of the overall structure of the plasticizing power module replacing the plasticizing motor in the preferred embodiment of the utility model;

[0025] Figure 4 It is an exploded schematic diagram of the overall structure of the plasticizing power module replacing the plasticizing motor in the preferred embodiment of the utility model;

[0026] Figure 5 It is a schematic diagram of the assembly state of the overall structure of the plasticizing power module replacing the plasticizing motor in the preferred embodiment of the utility model in an injection molding machine.

[0027] In the figure:

[0028] 1. Melting glue frame; 11. Assembly hole; 12. Support part; 2. Melting glue motor; 3. Melting glue driving wheel; 31. Synchronous belt; 4. Melting glue driven wheel; 5. Transmission shaft; 51. First card slot; 52. Second card slot; 53. Limit strip; 6. Front bearing; 61. Front oil seal; 62. Front bearing gland; 7. Rear bearing; 71. Rear oil seal; 72. Rear bearing gland; 8. Motor mounting plate; 81. Through hole; 9. Locking part;

[0029] 10. Injection platform. Specific implementation manner

[0030] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below in conjunction with relevant drawings and embodiments. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0031] As Figures 1-5 shown, the present utility model provides a melting glue power module to replace a melting glue motor. The melting glue power module is installed at the end of the injection platform 10 of an injection molding machine and is used to drive a melting glue screw to rotate; it includes a melting glue frame 1 and a melting glue motor 2, a melting glue driving wheel 3, a melting glue driven wheel 4, and a transmission shaft 5 arranged on the melting glue frame 1; the melting glue motor 2 is arranged on the top of the melting glue frame 1, and the melting glue driving wheel 3 is in transmission connection with the output shaft of the melting glue motor 2; the melting glue driven wheel 4 is in transmission connection with the melting glue driving wheel 3 through a synchronous belt 31; the transmission shaft 5 is in transmission connection with the melting glue driven wheel 4 and extends towards the melting glue frame 1; a horizontally penetrating assembly hole 11 is provided on the melting glue frame 1; the transmission shaft 5 can rotatably pass through the assembly hole 11 and extends from the assembly hole 11 towards the direction away from the melting glue driven wheel 4 to the outside of the melting glue frame 1, and one end of the transmission shaft 5 extending to the outside of the melting glue frame 1 is used to extend into the injection platform to be in transmission connection with the melting glue screw.

[0032] By replacing the hydraulic motor with a motor-driven synchronous belt system, the present utility model can be prefabricated into a separate module and separately installed at the rear end of the injection platform. A transmission connection can be formed with the melting glue screw through the transmission shaft; in this way, not only can the modular melting glue system form a standardized production in production, reduce the processing difficulty, and improve the production efficiency; at the same time, assembled with complete functional units, only simple connection and fixation are required during the assembly process, eliminating the complex pipeline connection and debugging work in the installation of the hydraulic system, greatly reducing the complexity of on-site assembly and improving the assembly efficiency;

[0033] On the other hand, the modular synchronous belt system of the present utility model not only realizes efficient assembly, but is also easier to maintain and replace, has stronger versatility, and can be applied to injection molding machines of different models, not limited to specific application scenarios; this plasticizing power module can be directly replaced on the basis of the existing injection molding machine technology, significantly improving the stability and consistency of the module.

[0034] In this embodiment, one end of the transmission shaft away from the screw is fixedly connected to the center of the wheel disc of the plasticizing driven wheel through a locking member 9 and rotates under the drive of the rotation of the plasticizing driven wheel.

[0035] As a further preferred embodiment, front bearings 6 and rear bearings 7 sleeved on the outer periphery of the transmission shaft 5 are arranged at intervals in the assembly hole 11; first card slots 51 and second card slots 52 for assembling the front bearings 6 and rear bearings 7 are respectively radially recessed on the outer periphery of the transmission shaft 5. Specifically, in this embodiment, both the front bearings 6 and rear bearings 7 are deep groove ball bearings. Deep groove ball bearings can bear large radial loads and certain axial loads, stably support the transmission shaft, and effectively reduce vibration and noise at the same time.

[0036] As a further preferred embodiment, front oil seals 61 and rear oil seals 71 for sealing the front bearings 6 and rear bearings 7 are respectively arranged at the two open ends of the assembly hole 11; the front oil seals 61 and rear oil seals 71 are respectively fixed by a bearing front gland 62 and a bearing rear gland 72. In this embodiment, both the front oil seals 61 and rear oil seals 71 are skeleton oil seals. In this embodiment, through the reasonable design of the front oil seals and rear oil seals and the fixation of the bearing front glands and bearing rear glands, the displacement and vibration of the bearings and the transmission shaft during operation can be effectively reduced, improving the overall stability and precision of the system.

[0037] As a further preferred embodiment, axially extending limiting strips 53 are spacedly distributed on the outer periphery of one end of the transmission shaft 5 extending outside the plasticizing frame 1. It should be noted that in this embodiment, the limiting strips are generally determined according to the characteristics of structural components such as the transmission shaft sleeve connected to the transmission shaft, aiming to prevent the circumferential displacement of the transmission shaft during rotation and ensure the high-precision operation of the injection molding machine.

[0038] As a further preferred embodiment, a V-shaped supporting portion 12 is provided on the molten glue holder 1, and the molten glue motor is installed on the supporting portion 12 through a motor mounting plate 8. Both sides of the motor mounting plate 8 are locked on the supporting portion 12 through fasteners. Further, a through hole 81 penetrates through the middle of the motor mounting plate 8, and the output shaft of the molten glue motor passes through the through hole 81 and is connected to the molten glue driving wheel 3. In this embodiment, the molten glue motor is a servo motor. The molten glue motor is arranged on the front side of the motor mounting plate, while the molten glue driving wheel and the molten glue driven wheel are both arranged on the rear side of the motor mounting plate, that is, the rear end of the whole device, reducing the limitation of the component operation and being beneficial to the optimization of the installation space.

[0039] The motor-driven synchronous belt system realizes higher energy efficiency and faster response speed. The molten glue motor is connected to the gear through the synchronous belt system and can drive the molten glue assembly with higher efficiency and stability. Specifically, the synchronous belt pulley has stable transmission, low loss, greatly reduced energy consumption, and the energy consumption of the whole machine is reduced by 5%. At the same time, the synchronous belt drive reduces the pressure fluctuation and leakage problems in the hydraulic system, and the wear of mechanical components is less.

[0040] The utility model replaces the hydraulic motor with a motor-driven synchronous belt system, improves the energy efficiency and response speed, reduces the energy consumption, has a simple structure design, is easy to maintain, and has strong practicability.

[0041] It should be noted that the injection molding machine to which the module of the utility model is applied also includes other components or systems that meet the injection molding function, such as an injection unit, a mold clamping unit, an ejection unit, an oil pressure control system, etc. The present invention does not involve the improvement of these parts, so no further description is given here.

[0042] The above embodiments are only the preferred embodiments of the utility model, and the protection scope of the utility model cannot be limited by this. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plasticizing power module for replacing a plasticizing motor, the plasticizing power module being installed at the end of the injection unit of an injection molding machine and being used to drive a plasticizing screw to rotate; characterized in that, It includes a melting glue frame, a melting glue motor, a melting glue driving wheel, a melting glue driven wheel, and a transmission shaft arranged on the melting glue frame; the melting glue motor is arranged at the top of the melting glue frame, and the melting glue driving wheel is in transmission connection with the output shaft of the melting glue motor; the melting glue driven wheel is in transmission connection with the melting glue driving wheel through a synchronous belt; the transmission shaft is in transmission connection with the melting glue driven wheel and extends towards the melting glue frame; a horizontally penetrating assembly hole is provided on the melting glue frame; the transmission shaft is rotatably inserted into the assembly hole and extends from the assembly hole towards the direction away from the melting glue driven wheel to the outside of the melting glue frame, and one end of the transmission shaft extending to the outside of the melting glue frame is used to extend into the injection table and is in transmission connection with the melting glue screw.

2. The plasticizing power module replacing the plasticizing motor as claimed in claim 1, wherein, A front bearing and a rear bearing sleeved on the outer periphery of the transmission shaft are arranged at intervals in the assembly hole; first and second card slots for assembling the front bearing and the rear bearing are respectively radially recessed on the outer periphery of the transmission shaft.

3. The melt plasticizing power module substituting for a melt plasticizing motor as claimed in claim 2, wherein, Both the front bearing and the rear bearing are deep groove ball bearings.

4. The plasticizing power module substituting for the plasticizing motor as claimed in claim 2, wherein Front oil seals and rear oil seals for sealing the front bearing and the rear bearing are respectively arranged at the two open ends of the assembly hole; the front oil seals and the rear oil seals are respectively fixed by a bearing front gland and a bearing rear gland.

5. The plasticizing power module substituting for the plasticizing motor according to claim 4, characterized in that Axially extending limiting strips are spacedly distributed on the outer periphery of one end of the transmission shaft extending to the outside of the melting glue frame.

6. The plasticizing power module replacing the plasticizing motor according to claim 5, wherein One end of the transmission shaft away from the screw is tightly connected to the center of the wheel disc of the melting glue driven wheel through a locking member and rotates under the drive of the rotation of the melting glue driven wheel.

7. The plasticizing power module substituting for the plasticizing motor according to claim 5, characterized in that A V-shaped supporting part is provided on the melting glue frame, and the melting glue motor is installed on the supporting part through a motor mounting plate, and both sides of the motor mounting plate are locked on the supporting part through fasteners.

8. The plasticizing power module replacing the plasticizing motor according to claim 7, characterized in that, A through hole is penetrated through the middle of the motor mounting plate, and the output shaft of the melting glue motor passes through the through hole and is connected to the melting glue driving wheel.

9. The plasticizing power module replacing the plasticizing motor according to claim 1, wherein, The melting glue motor is a servo motor.

10. The plasticizing power module replacing the plasticizing motor according to claim 7, characterized in that, Both the front oil seals and the rear oil seals are skeleton oil seals.

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