Temperature control mechanism for charging barrel of injection molding machine
By designing components such as a water storage tank, temperature monitoring, and heater on the injection molding machine barrel, efficient temperature control of the injection molding machine barrel is achieved, solving the problems of poor cooling efficiency and temperature control effect in the existing technology, and improving the performance of the barrel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUAIAN KANGDIKE MEDICAL PRODUCTS CO LTD
- Filing Date
- 2025-03-31
- Publication Date
- 2026-05-15
AI Technical Summary
The existing temperature control structure for injection molding machine barrels has low cooling efficiency and temperature control effect, which affects the normal use of the barrel.
A temperature control mechanism for the barrel of an injection molding machine was designed, including a water storage tank, a temperature monitoring instrument, a water pump, a heater, and a stirring assembly. It achieves efficient liquid delivery and control through an annular groove and a delivery pipeline. Combined with the use of a solenoid valve, it enables precise adjustment of the barrel temperature and rapid cooling or heating.
It improves the cooling and temperature control efficiency of the barrel, facilitates operation, and enhances the barrel's performance.
Smart Images

Figure CN224240283U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding machine technology, specifically to a temperature control mechanism for the barrel of an injection molding machine. Background Technology
[0002] Injection molding machines, also known as injection molding machines or injection machines, are the main molding equipment for making various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. They are divided into vertical, horizontal and all-electric types. Injection molding machines can heat plastics and apply high pressure to molten plastics, causing them to be injected and fill the mold cavity.
[0003] The patent CN218660344U discloses a temperature control structure for the barrel of an injection molding machine. This patent discloses a convenient cooling technology solution, which solves the problem that in the existing temperature control structure for the barrel of an injection molding machine, the barrel temperature of most injection molding machines will become too high after a long period of use, thus affecting the normal use of the barrel.
[0004] When in use, the device removes heat from the injection molding machine barrel by wrapping the water outlet pipe around its surface. However, the water outlet pipe is in close contact with the surface of the barrel, resulting in slow heat conduction and reduced cooling efficiency and temperature control effect. Therefore, a temperature control mechanism for the injection molding machine barrel is proposed to solve the above problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a temperature control mechanism for injection molding machine barrels, which has the advantage of improving cooling efficiency and solves the problem of low cooling efficiency and temperature control effect of existing injection molding machine barrel temperature control structures.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A temperature control mechanism for an injection molding machine barrel includes a water storage tank, a barrel placed on the right side of the water storage tank, a first placement groove and a second placement groove inside the barrel, and a control component for controlling the temperature inside the barrel on the water storage tank.
[0008] The control component includes a partition plate fixedly connected inside the water storage tank. A baffle plate is fixedly connected to the top surface of the partition plate. A water pump is fixedly installed on the left side of the water storage tank. An installation pipe is fixedly installed at the inlet end of the water pump, extending through the water storage tank and into its interior. A delivery pipe is fixedly installed at the output end of the water pump. A connecting pipe is fixedly fitted on the outer peripheral wall of the delivery pipe, extending through the material cylinder and into the first and second placement slots. A heater is fixedly connected to the bottom surface of the partition plate, with one end penetrating the partition plate.
[0009] The cylinder is equipped with a conveying assembly for conveying liquid.
[0010] The barrel is equipped with a stirring component for agitating the plastic.
[0011] Furthermore, both the first and second placement slots are annular slots, the installation pipe and the water storage tank are fixedly connected, and a temperature monitoring instrument with one end penetrating the material cylinder and extending into its interior is fixedly installed on the left side of the material cylinder.
[0012] Furthermore, the connecting pipe and the material cylinder are fixedly connected, the heater is located on the right side of the baffle, the baffle and the water storage tank are fixedly connected, and the connecting pipe is a U-shaped pipe.
[0013] Furthermore, the conveying assembly includes two inlet pipes, one end of each inlet pipe being fixedly connected to the top surface of the water storage tank, and the other end of each inlet pipe penetrating the water storage tank and extending into its interior. Heat insulation pads are fixedly connected to the left and right sides of the baffle. Two fixing pipes, each with one end penetrating the baffle and extending into the installation pipe, are fixedly connected to the top surface of the baffle. First solenoid valves are fixedly installed on the outer periphery walls of both fixing pipes. Return pipes, one end of each returning pipe penetrating the material cylinder and extending to its left side, are fixedly connected to the interior of both the first and second placement slots. Second solenoid valves are fixedly installed on the outer periphery walls of both return pipes.
[0014] Furthermore, the fixed pipe and the installation pipe are fixedly connected, and the return pipe at the bottom is inclined.
[0015] Furthermore, the stirring assembly includes a mounting plate, which is fixedly connected to the inside of the material cylinder. A drive motor is fixedly mounted on the top surface of the mounting plate. A drive rod is fixedly connected to the output end of the drive motor, with one end penetrating the mounting plate and extending into the inside of the material cylinder. A plurality of first stirring rods are fixedly connected to the left and right sides of the drive rod, and second stirring rods are fixedly connected to the left and right sides of the drive rod. A discharge pipe is fixedly connected to the inner bottom wall of the material cylinder, with one end penetrating the material cylinder and extending to its bottom.
[0016] Furthermore, the plurality of first stirring rods and the two second stirring rods are all located inside the material cylinder, and the drive rod is rotatably connected by bearings and mounting plates.
[0017] Furthermore, the second stirring rod is located at the bottom of the first stirring rod, and the second stirring rod is inclined.
[0018] Compared with the prior art, this utility model provides a temperature control mechanism for the barrel of an injection molding machine, which has the following beneficial effects:
[0019] 1. The temperature control mechanism of the injection molding machine barrel, through the action of the first placement tank and the second placement tank, stores the liquid, improves the heat conduction effect, and thus improves the cooling efficiency. With the action of the temperature monitoring instrument, the temperature inside the barrel can be conveniently monitored, making it convenient for operators to use. At the same time, through the action of the heater, the liquid is heated, thereby raising the temperature of the barrel and improving the temperature control effect.
[0020] 2. The temperature control mechanism of the injection molding machine barrel facilitates the discharge of liquid from the barrel through the return pipe, and the discharge of liquid is conveniently controlled by the first and second solenoid valves, making it easy for operators to operate. At the same time, the plastic is stirred by the first and second stirring rods, improving the heating and cooling efficiency, making it more convenient and practical. Attached Figure Description
[0021] Figure 1 This is a three-dimensional view of the structure of this utility model;
[0022] Figure 2 This is a schematic diagram of the internal structure of the present invention;
[0023] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure of A in the middle.
[0024] In the diagram: 1. Material cylinder, 2. Drive rod, 3. Mounting plate, 4. Drive motor, 5. Conveying pipe, 6. Water inlet pipe, 7. Water storage tank, 8. Discharge pipe, 9. Second stirring rod, 10. Second placement tank, 11. First placement tank, 12. First stirring rod, 13. Connecting pipe, 14. Temperature monitor, 15. Heater, 16. Water pump, 17. Mounting pipe, 18. First solenoid valve, 19. Partition plate, 20. Baffle plate, 21. Heat insulation pad, 22. Fixing pipe, 23. Return pipe, 24. Second solenoid valve. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1 to 3 The temperature control mechanism for the injection molding machine barrel in this embodiment includes a water storage tank 7, a barrel 1 placed on the right side of the water storage tank 7, a first placement groove 11 and a second placement groove 10 opened inside the barrel 1, and a control component for controlling the internal temperature of the barrel 1 on the water storage tank 7.
[0027] The control assembly includes a partition 19, which is fixedly connected inside the water storage tank 7. A baffle 20 is fixedly connected to the top surface of the partition 19. A water pump 16 is fixedly installed on the left side of the water storage tank 7. An installation pipe 17 is fixedly installed at the water inlet end of the water pump 16, which extends through the water storage tank 7 and into its interior. A delivery pipe 5 is fixedly installed at the output end of the water pump 16. A connecting pipe 13 is fixedly fitted on the outer peripheral wall of the delivery pipe 5, which extends through the material cylinder 1 and into the first placement groove 11 and the second placement groove 10. A heater 15 is fixedly connected to the bottom surface of the partition 19, which extends through the partition 19. A temperature monitor 14 is fixedly installed on the left side of the material cylinder 1, which extends through the material cylinder 1 and into its interior.
[0028] The first placement groove 11 and the second placement groove 10 are both annular grooves. The installation pipe 17 is fixedly connected to the water storage tank 7, the connecting pipe 13 is fixedly connected to the material cylinder 1, the heater 15 is located on the right side of the baffle 20, the baffle 20 is fixedly connected to the water storage tank 7, and the connecting pipe 13 is a U-shaped pipe.
[0029] Specifically, the temperature inside the material cylinder 1 is monitored by the temperature monitoring instrument 14. When cooling is required, the water pump 16 is started, and the liquid is transported into the first placement tank 11 and the second placement tank 10 through the conveying pipe 5 and the connecting pipe 13 to cool the inside of the material cylinder 1. When heating is required, the heater 15 is started, and the liquid on the right side of the baffle 20 is heated by the heater 15, so that hot water is transported into the inside of the material cylinder 1 to heat the material cylinder 1.
[0030] It should be noted that the water pump 16 and the temperature monitor 14 are both conventional devices known to the public in the prior art, and their specific structures and working principles will not be described in detail in this article.
[0031] Please see Figures 1 to 3 In this embodiment, the material cylinder 1 is equipped with a conveying assembly for conveying liquid. The conveying assembly includes two water inlet pipes 6. One end of each water inlet pipe 6 is fixedly connected to the top surface of the water storage tank 7, and the other end of each water inlet pipe 6 passes through the water storage tank 7 and extends into its interior. The left and right sides of the baffle 20 are fixedly connected with heat insulation pads 21. The top surface of the baffle 19 is fixedly connected with two fixed pipes 22, one end of which passes through the baffle 19 and extends into the installation pipe 17. The outer peripheral walls of the two fixed pipes 22 are fixedly installed with first solenoid valves 18. The interiors of the first placement groove 11 and the second placement groove 10 are fixedly connected with return pipes 23, one end of which passes through the material cylinder 1 and extends to its left side. The outer peripheral walls of the two return pipes 23 are fixedly installed with second solenoid valves 24.
[0032] The fixed pipe 22 and the installation pipe 17 are fixedly connected, and the return pipe 23 at the bottom is inclined.
[0033] Specifically, the liquid is transported into the water storage tank 7 through the inlet pipe 6. The first solenoid valve 18 on the left is activated, and the water pump 16, through the left fixed pipe 22 and the installation pipe 17, pumps the liquid on the left into the first placement tank 11 and the second placement tank 10 to cool the inside of the material cylinder 1. When heating is required, the baffle 20 is insulated by the heat insulation pad 21. The first solenoid valve 18 on the left is closed, and the first solenoid valve 18 on the right is opened to transport hot water into the first placement tank 11 and the second placement tank 10 to heat the material cylinder 1.
[0034] It should be noted that the first solenoid valve 18 and the second solenoid valve 24 are both conventional devices known to the public in the prior art, and their specific structures and working principles will not be described in detail in this article.
[0035] Please see Figures 1 to 3 In this embodiment, the material cylinder 1 is equipped with a stirring assembly for agitating the plastic. The stirring assembly includes a mounting plate 3, which is fixedly connected to the inside of the material cylinder 1. A drive motor 4 is fixedly mounted on the top surface of the mounting plate 3. A drive rod 2, which extends through the mounting plate 3 and into the inside of the material cylinder 1, is fixedly connected to the output end of the drive motor 4. A plurality of first stirring rods 12 are fixedly connected to the left and right sides of the drive rod 2. A second stirring rod 9 is fixedly connected to the left and right sides of the drive rod 2. A discharge pipe 8, which extends through the material cylinder 1 and into its bottom, is fixedly connected to the inner bottom wall of the material cylinder 1.
[0036] The first stirring rods 12 and the two second stirring rods 9 are all located inside the material cylinder 1. The drive rod 2 is rotatably connected to the bearing and the mounting plate 3. The second stirring rod 9 is located at the bottom of the first stirring rod 12 and is inclined.
[0037] Specifically, the drive motor 4 is started, and the output end of the drive motor 4 drives the drive rod 2 to rotate, which in turn causes the first stirring rod 12 and the second stirring rod 9 to rotate, stirring the plastic and improving the heating and cooling efficiency. Under the action of the discharge pipe 8, the plastic is discharged from the material cylinder 1.
[0038] It should be noted that the discharge pipe 8 is connected to the feed pipe of the injection molding machine.
[0039] The working principle of the above embodiments is as follows:
[0040] Liquid is transported into the water storage tank 7 through the inlet pipe 6. The temperature inside the material cylinder 1 is monitored by the temperature monitor 14. When cooling is required, the water pump 16 and the first solenoid valve 18 on the left are started. The water pump 16 pumps the liquid on the left through the fixed pipe 22 and the installation pipe 17 on the left, and delivers the liquid into the first placement tank 11 and the second placement tank 10 to cool the inside of the material cylinder 1. When heating is required, the heater 15 is started. The heater 15 heats the liquid on the right side of the baffle 20. The baffle 20 is insulated by the heat insulation pad 21. The first solenoid valve 18 on the left is closed and the first solenoid valve 18 on the right is opened to deliver hot water into the first placement tank 11 and the second placement tank 10 to heat the material cylinder 1. The drive motor 4 is started to drive the drive rod 2 to rotate, which in turn causes the first stirring rod 12 and the second stirring rod 9 to rotate, agitating the plastic and improving the heating and cooling efficiency.
[0041] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. Any method that can achieve its beneficial effect can be implemented. In addition, the electrical components in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing disclosed power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.
[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A temperature control mechanism for the barrel of an injection molding machine, comprising a water storage tank (7), characterized in that: A material cylinder (1) is placed on the right side of the water storage tank (7). A first placement groove (11) is opened inside the material cylinder (1), and a second placement groove (10) is opened inside the material cylinder (1). A control component for controlling the internal temperature of the material cylinder (1) is provided on the water storage tank (7). The control component includes a partition (19), which is fixedly connected to the inside of the water storage tank (7). A baffle (20) is fixedly connected to the top surface of the partition (19). A water pump (16) is fixedly installed on the left side of the water storage tank (7). An installation pipe (17) is fixedly installed at the water inlet end of the water pump (16), which extends through the water storage tank (7) and into it. A delivery pipe (5) is fixedly installed at the output end of the water pump (16). A connecting pipe (13) is fixedly fitted on the outer peripheral wall of the delivery pipe (5), which extends through the material cylinder (1) and into the first placement groove (11) and the second placement groove (10). A heater (15) is fixedly connected to the bottom surface of the partition (19), which extends through the partition (19). The barrel (1) is provided with a conveying assembly for conveying liquid, and the barrel (1) is provided with a stirring assembly for agitating plastic.
2. The temperature control mechanism for the injection molding machine barrel according to claim 1, characterized in that: The first placement groove (11) and the second placement groove (10) are both annular grooves. The installation pipe (17) and the water storage tank (7) are fixedly connected. A temperature monitoring instrument (14) with one end penetrating the material cylinder (1) and extending into its interior is fixedly installed on the left side of the material cylinder (1).
3. The temperature control mechanism for the injection molding machine barrel according to claim 1, characterized in that: The connecting pipe (13) and the material cylinder (1) are fixedly connected. The heater (15) is located on the right side of the baffle (20). The baffle (20) and the water storage tank (7) are fixedly connected. The connecting pipe (13) is a U-shaped pipe.
4. The temperature control mechanism for the injection molding machine barrel according to claim 1, characterized in that: The conveying assembly includes two water inlet pipes (6), one end of each water inlet pipe (6) is fixedly connected to the top surface of the water storage tank (7), and the other end of each water inlet pipe (6) passes through the water storage tank (7) and extends into its interior. The left and right sides of the baffle (20) are fixedly connected to heat insulation pads (21). The top surface of the partition (19) is fixedly connected to two fixed pipes (22), one end of which passes through the partition (19) and extends into the installation pipe (17). The outer peripheral walls of the two fixed pipes (22) are fixedly installed with first solenoid valves (18). The interiors of the first placement groove (11) and the second placement groove (10) are fixedly connected to return pipes (23), one end of which passes through the material cylinder (1) and extends to its left side. The outer peripheral walls of the two return pipes (23) are fixedly installed with second solenoid valves (24).
5. The temperature control mechanism for the injection molding machine barrel according to claim 4, characterized in that: The fixed pipe (22) and the installation pipe (17) are fixedly connected, and the return pipe (23) at the bottom is inclined.
6. The temperature control mechanism for the injection molding machine barrel according to claim 4, characterized in that: The stirring assembly includes a mounting plate (3), which is fixedly connected to the inside of the material cylinder (1). A drive motor (4) is fixedly installed on the top surface of the mounting plate (3). A drive rod (2) with one end penetrating the mounting plate (3) and extending into the inside of the material cylinder (1) is fixedly connected to the output end of the drive motor (4). A plurality of first stirring rods (12) are fixedly connected to the left and right sides of the drive rod (2). A second stirring rod (9) is fixedly connected to the left and right sides of the drive rod (2). A discharge pipe (8) with one end penetrating the material cylinder (1) and extending to its bottom is fixedly connected to the inner bottom wall of the material cylinder (1).
7. The temperature control mechanism for the injection molding machine barrel according to claim 6, characterized in that: Multiple first stirring rods (12) and two second stirring rods (9) are located inside the material cylinder (1), and the drive rod (2) is rotatably connected by bearings and mounting plate (3).
8. The temperature control mechanism for the injection molding machine barrel according to claim 6, characterized in that: The second stirring rod (9) is located at the bottom of the first stirring rod (12), and the second stirring rod (9) is inclined.