Nozzle detection device
By introducing temperature sensors and drive mechanisms into the injection molding machine, the nozzle and material temperature are monitored in real time, solving the problem of insufficient nozzle temperature monitoring, ensuring temperature stability during the injection molding process, and improving product quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-10
AI Technical Summary
Existing injection molding machines cannot monitor the nozzle and surrounding material temperature in real time, causing heat-sensitive plastics to decompose easily at high temperatures, generating harmful gases and affecting product quality and precision.
A nozzle detection device was designed, which includes a temperature sensor for real-time monitoring of nozzle and material temperature, and adjusts the monitoring position through a support frame and guide rod, and realizes nozzle movement and cleaning by combining a drive motor and threaded rod.
It enables precise temperature control during the injection molding process, ensuring product quality, preventing material degradation and melt flow, and improving product precision and production efficiency.
Smart Images

Figure CN224103472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine technical field, concretely is a nozzle detection device. BACKGROUND
[0002] Injection molding machine is a kind of high-efficiency, high degree of automation plastic forming equipment, is specially used to convert thermoplastic or thermosetting plastic raw materials into various plastic products, its core working principle is: plastic particles are sent into heated cylinder by hopper, melt plasticization under the double action of screw rotation push and external heating, form uniform melt, injection molding machine has become indispensable equipment in modern manufacturing industry by its short forming cycle, high precision of product, material utilization rate advantage, etc., is widely used in household appliances, automobile, packaging, medical treatment, electronics and other industries, supports the diversified production needs from daily necessities to high-end industrial components.
[0003] The existing injection molding machine is usually injected by nozzle in the process of using, but the prior art cannot monitor the nozzle and the temperature of the surrounding material, and the heat-sensitive plastic is easy to decompose at high temperature, and lack of temperature monitoring can cause the material to stay at the nozzle for too long, causing oxidation or thermal degradation, generating harmful gas and reducing the mechanical properties of the product, temperature fluctuation can destroy the consistency of melt viscosity, cause uneven filling, surface defects or dimensional accuracy deviation, and high nozzle temperature can cause melt flow, polluting the mold cavity.
[0004] Therefore, it is necessary to provide a new nozzle detection device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of nozzle detection device, to solve the problems presented in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a nozzle detection device, including base, still include:
[0007] Injection molding machine body, is installed at the top of base, the side of the injection molding machine body is provided with protective cover, and the one end of the protective cover is provided with injection nozzle;
[0008] Supporting plate, is fixed in one side of base, the side of the supporting plate is fixed with fixed frame, and the side of the fixed frame is installed with mold box;
[0009] Temperature sensor, is installed at the bottom of protective cover for monitoring injection nozzle and material temperature.
[0010] Preferably, the outside of the temperature sensor is fixed with support frame, and the support frame is installed at the bottom of protective cover.
[0011] Preferably, the bottom of the protective cover is fixed with a guide rod for adjusting the position of the temperature sensor, and the outer side of the guide rod is in sliding connection with the inner wall of the support frame.
[0012] Preferably, one side of the injection molding machine body is fixed with a shell, and one side of the protective cover is fixed with a rack.
[0013] Preferably, the top of the base is fixed with a support block for supporting the support plate, and the top of the base is provided with a driving motor.
[0014] Preferably, the output end of the driving motor is fixed with a threaded rod, and the outer side of the threaded rod is in threaded connection with a driving block for driving the rack and the protective cover to move.
[0015] Preferably, the bottom of the driving block is fixed with a guide block, and the inner wall of the guide block is in sliding connection with the outer side of the base.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The temperature sensor can monitor the temperature of the injection molding nozzle and its surrounding material in real time, which helps to ensure that the temperature conditions in the injection molding process meet the process requirements, thereby ensuring the quality of the plastic products. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The structure diagram of a preferred embodiment of the nozzle detection device provided by the utility model is shown in the figure.
[0019] Figure 2 The structure diagram of the support frame in the utility model is shown in the figure.
[0020] Figure 3 The structure diagram of the rack in the utility model is shown in the figure.
[0021] Figure 4 The structure diagram of the base in the utility model is shown in the figure.
[0022] In the figure: 1, base; 2, injection molding machine body; 3, protective cover; 4, injection molding nozzle; 5, support plate; 6, fixed frame; 7, mold box; 8, temperature sensor; 9, support frame; 10, guide rod; 11, shell; 12, rack; 13, support block; 14, driving motor; 15, threaded rod; 16, driving block; 17, guide block. DETAILED DESCRIPTION
[0023] 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 scope of protection of the utility model.
[0024] Please refer to Figures 1-4 As shown in the figure, a nozzle detection device, comprising a base 1 and an injection molding machine body 2, the injection molding machine body 2 is installed on the top of the base 1, the injection molding machine body 2 is provided with a protective cover 3 on one side, one end of the protective cover 3 is provided with an injection molding nozzle 4, the molten plastic material in the injection molding machine can be sprayed out through the injection molding nozzle 4 to complete the molding of the plastic product;
[0025] The support plate 5 is fixed on one side of the base 1, the support plate 5 is fixed with a fixed frame 6 on one side, the fixed frame 6 is installed with a mold box 7 on one side, the fixed frame 6 can be supported through the support plate 5, the molten plastic is injected into the mold cavity of the mold box 7 through the injection molding nozzle 4, and the required plastic product is formed after cooling and solidification;
[0026] The temperature sensor 8 is installed at the bottom of the protective cover 3 for monitoring the injection molding nozzle 4 and the material temperature, the temperature sensor 8 is prior art, the resistance value of the internal thermistor material such as platinum, copper or nickel changes with temperature, the temperature value can be accurately calculated by measuring the change of the resistance value, which is not described here, the injection molding nozzle 4 and the surrounding material temperature can be monitored in real time through the temperature sensor 8, which helps to ensure that the temperature conditions in the injection molding process meet the process requirements, so as to ensure the quality of the plastic product, through monitoring the temperature, the temperature abnormality that may affect the molding quality can be found and adjusted in time, such as material degradation, poor flowability or poor filling caused by overheating or overcooling.
[0027] The temperature sensor 8 is fixed with a support frame 9 on the outside, and the support frame 9 is installed at the bottom of the protective cover 3, the temperature sensor 8 is installed and supported through the support frame 9, the bottom of the protective cover 3 is fixed with a guide rod 10 for adjusting the position of the temperature sensor 8, and the outer side of the guide rod 10 is slidably connected with the inner wall of the support frame 9, the monitoring position of the temperature sensor 8 is adjusted by pulling the support frame 9 to slide on the outer side of the guide rod 10, the temperature monitoring position is adjusted according to different injection molding materials, which is convenient for subsequent adjustment, and adapts to the temperature monitoring demand under different working conditions.
[0028] The side of the injection molding machine body 2 is fixed with a shell 11, one side of the protective cover 3 is fixed with a rack 12, the top of the base 1 is fixed with a support block 13 for supporting the support plate 5, the support plate 5 is fixed on one side of the support block 13, the top of the base 1 is provided with a driving motor 14, the output end of the driving motor 14 is fixed with a threaded rod 15, the outer side of the threaded rod 15 is threadedly connected with a driving block 16 for driving the rack 12 and the protective cover 3 to move, the driving block 16 is fixed on the bottom of the rack 12, the bottom of the driving block 16 is fixed with a guide block 17, and the inner wall of the guide block 17 is in sliding connection with the outer side of the base 1, when the injection nozzle 4 and the surrounding falling material are at a high temperature, the driving motor 14 is started to drive the threaded rod 15 to rotate, so that the driving block 16 drives the guide block 17 to slide on the outer side of the base 1, the driving block 16 drives the rack 12 to move, and the protective cover 3 and the injection nozzle 4 are received in the shell 11, so that the subsequent cleaning of the falling material in the fixed frame 6 is facilitated.
[0029] Working principle: when the device is in use, the temperature of the injection nozzle 4 and the surrounding falling material can be monitored in real time by the temperature sensor 8, which helps to ensure that the temperature conditions during the injection molding process meet the process requirements, so as to ensure the quality of the plastic products. By monitoring the temperature, temperature abnormalities that may affect the quality of the molding, such as material degradation, poor flowability or poor filling caused by overheating or overcooling, can be found and adjusted in time. By pulling the support frame 9 to slide on the outer side of the guide rod 10, the monitoring position of the temperature sensor 8 can be adjusted, which is convenient for subsequent adjustment of the temperature monitoring position according to different injection molding materials, and adapts to the temperature monitoring requirements under different working conditions. When the injection nozzle 4 and the surrounding falling material are at a high temperature, the driving motor 14 is started to drive the threaded rod 15 to rotate, so that the driving block 16 drives the guide block 17 to slide on the outer side of the base 1, the driving block 16 drives the rack 12 to move, and the protective cover 3 and the injection nozzle 4 are received in the shell 11, so that the subsequent cleaning of the falling material in the fixed frame 6 is facilitated.
[0030] It should be noted that in this text, 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. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A nozzle detection device comprising a base (1), characterized in that, Also include: Injection molding machine body (2) is installed in the top of the base (1), one side of the injection molding machine body (2) is provided with a protective cover (3), one end of the protective cover (3) is provided with an injection molding nozzle (4); Supporting plate (5) is fixed on one side of the base (1), one side of the supporting plate (5) is fixed with a fixed frame (6), one side of the fixed frame (6) is installed with a mold box (7); Temperature sensor (8) is installed at the bottom of the protective cover (3) for monitoring the temperature of the injection molding nozzle (4) and the blanking temperature.
2. The nozzle detection apparatus of claim 1, wherein: The outer side of the temperature sensor (8) is fixed with a support frame (9), and the support frame (9) is installed at the bottom of the protective cover (3).
3. A nozzle detection apparatus according to claim 2, wherein: The bottom of the protective cover (3) is fixed with a guide rod (10) for adjusting the position of the temperature sensor (8), and the outer side of the guide rod (10) is in sliding connection with the inner wall of the support frame (9).
4. The nozzle detection apparatus of claim 1, wherein: One side of the injection molding machine body (2) is fixed with a shell (11), one side of the protective cover (3) is fixed with a rack (12).
5. The nozzle detection apparatus of claim 1, wherein: The top of the base (1) is fixed with a support block (13) for supporting the supporting plate (5), and the top of the base (1) is installed with a driving motor (14).
6. A nozzle detection apparatus according to claim 5, wherein: The output end of the driving motor (14) is fixed with a threaded rod (15), the outer side of the threaded rod (15) is in threaded connection with a driving block (16) for driving the rack (12) and the protective cover (3) to move.
7. A nozzle detection apparatus according to claim 6, wherein: The bottom of the driving block (16) is fixed with a guide block (17), and the inner wall of the guide block (17) is in sliding connection with the outer side of the base (1).