An injection molding device for producing automobile engine pipe parts

By setting a temperature sensor and heating ring in the injection molding device for the production of automobile engine pipe fittings, the temperature during the injection molding process is monitored and adjusted in real time, the molding accuracy and product quality problems caused by temperature fluctuations in existing devices are solved, and a more efficient and high-quality injection molding process is achieved.

CN222697766UActive Publication Date: 2025-04-01CHANGSHA BOCHENG TECH CO LTD
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Patent Information

Application Number
CN202421269805.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-01
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing injection molding devices for the production of automotive engine pipe fittings cannot monitor the temperature of raw materials during melting and moving in real time, resulting in large temperature fluctuations during injection molding, affecting molding accuracy and product quality.

Method used

An injection molding device including a plasticizing assembly and a molding assembly is designed. The temperature during heating, transportation and molding is monitored through the first temperature sensor, the second temperature sensor and the third temperature sensor, and the power of the heating ring is adjusted in real time, and the temperature is adjusted through the cooling water port to ensure the temperature stability during the molding process.

Benefits of technology

Real-time monitoring and adjustment of temperature during injection molding is achieved, reducing temperature fluctuations, and improving molding efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an injection molding device for producing automobile engine pipe fittings, which relates to the technical field of injection molding devices for engine pipe fittings. The utility model comprises a box body and an injection molding mechanism. A cabinet door is arranged at the front end of the box body, an operation screen is arranged above the cabinet door, a water valve is threadedly connected to the left side of the box body, and an injection molding mechanism is arranged inside the box body. The temperature around the heating ring is monitored by a first temperature sensor to obtain the temperature of the raw material when it is melted, the temperature of the raw material when it is transported through a material distribution pipe is obtained by a second temperature sensor, the temperature during molding is monitored by a third temperature sensor, the heat loss of the raw material in production is obtained by calculation, the power of the heating ring is adjusted by timely feedback, the structural change of the raw material caused by temperature change is avoided, the temperature during molding is monitored, and hot water or cooling water is injected through a cooling water inlet in time to realize temperature regulation, so that the temperature change of the pipe fitting during cooling molding is more stable, and the molding efficiency and product quality are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of engine pipe injection molding devices, in particular to an injection molding device for producing automobile engine pipe fittings. Background Art

[0002] The injection molding device for automobile engine pipe production is a device used to manufacture automobile engine pipe fittings. It is formed by injecting molten plastic material into the mold to meet the production needs of automobile engine pipe fittings for high efficiency, precision and consistency, thereby meeting the automotive industry's requirements for high quality, low cost and durability.

[0003] After searching, the patent number "CN219171491U" provides "The utility model relates to the technical field of injection molding machines, and in particular to an injection molding machine for pipe processing, which is convenient for adjusting the opening of the feeding hopper downward, convenient for adding plastic granular raw materials into the feeding hopper, and can reduce the workload of operators, including a bottom plate and an injection molding machine body fixedly mounted on the bottom plate, the interior of the injection molding machine body is rotatably connected with a screw rod 1, and a driving motor for driving the screw rod 1 to rotate is fixedly mounted on the bottom plate, characterized in that a feeding trough is provided on the injection molding machine body, and a fixed motor rotatably connected with the injection molding machine body is arranged on the outside of the feeding trough. The invention discloses a device for molding a molded product, wherein the molded product is a molded product of a plurality of types of materials, wherein the molded product is a plurality of types of materials, wherein the molded product is a plurality of types of materials. The ...

[0004] Therefore, we provide an injection molding device for automobile engine pipe production to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an injection molding device for producing automobile engine pipe parts, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding device for producing automobile engine pipe fittings, comprising a box body and an injection molding mechanism, a cabinet door is arranged at the front end of the box body, an operation screen is arranged above the cabinet door, a water valve is threadedly connected to the left side of the box body, and an injection molding mechanism is arranged inside the box body;

[0007] The injection molding mechanism comprises a plasticizing component and a molding component. The inner side of the box body is provided with the plasticizing component, and one end of the plasticizing component is threadedly connected with the molding component.

[0008] Preferably, the plasticizing assembly includes a fixed frame, a barrel, a motor, a hopper, an inner barrel, a heating ring, a first temperature sensor, a screw and a nozzle. The inner side of the box body is bolted with a fixed frame, the inner side of the fixed frame is sleeved with a barrel, and one end of the barrel is clamped with a motor through a coupling.

[0009] Preferably, the top end of the barrel is screwed to a hopper, an inner barrel is provided on the inner side of the barrel, and a heating ring is provided between the inner barrel and the barrel.

[0010] Preferably, a first temperature sensor is provided on one side of the heating coil, a screw is rotatably connected to the inner side of the inner cylinder, and a nozzle is provided at the lower end of the screw away from the motor.

[0011] Preferably, the molding assembly includes a material distribution barrel, a second temperature sensor, a connecting pipe, a top plate, a cooling water inlet, a bottom plate and a third temperature sensor, the bottom end of the nozzle is threadedly connected to the material distribution barrel, and the end of the material distribution barrel is sleeved with the second temperature sensor.

[0012] Preferably, a connecting pipe is threadedly connected to the end of the distributing barrel, and a top plate is threadedly connected to the other end of the connecting pipe.

[0013] Preferably, a cooling water inlet is threadedly connected to a side of the top plate close to the box body, the bottom end of the top plate is rotatably connected to a bottom plate, and the bottom end of the bottom plate is screwed to a third temperature sensor.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The injection molding device for the production of automobile engine pipe fittings, through the setting of the injection molding mechanism, the plasticizing component completes the heating and melting of the raw materials, and the molding component completes the injection molding of the pipe fittings. The motor drives the screw to rotate, and the heating ring heats and melts the raw materials. While accelerating the injection molding speed through the dividing barrel, it avoids the internal cavity causing bubbles during injection molding, which interferes with the injection molding effect.

[0016] 2. The temperature around the heating ring is monitored by the first temperature sensor to obtain the temperature of the raw material when it is melted. The temperature of the raw material when it is transported through the distribution pipe is obtained by the second temperature sensor. The temperature during molding is monitored by the third temperature sensor. The heat loss of the raw material in production is obtained by calculation, and the power of the heating ring is adjusted in time to avoid structural changes of the raw material caused by temperature changes. The temperature during molding is monitored, and hot water or cooling water is injected through the cooling water inlet in time to achieve temperature control, so that the temperature change of the pipe fitting during cooling and molding is more stable, thereby improving molding efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model from the front side looking up and down;

[0018] Figure 2 This is a schematic diagram of the appearance structure of the utility model from the back side top view;

[0019] Figure 3 It is a schematic diagram of the structure of the molding component of the utility model from a left top view;

[0020] Figure 4 It is a schematic diagram of the structure of the molding component of the utility model from the right side top view;

[0021] Figure 5 It is a structural schematic diagram of the molding component of the utility model from a bottom-up perspective;

[0022] Figure 6 It is a schematic cross-sectional structure diagram of the plasticizing component of the utility model.

[0023] Numbers in the figure: 1, box body; 2, cabinet door; 3, operation screen; 4, water valve; 5, injection molding mechanism; 51, plasticizing component; 511, fixing frame; 512, barrel; 513, motor; 514, hopper; 515, inner barrel; 516, heating coil; 517, first temperature sensor; 518, screw; 519, nozzle; 52, molding component; 521, distribution barrel; 522, second temperature sensor; 523, connecting pipe; 524, top plate; 525, cooling water inlet; 526, bottom plate; 527, third temperature sensor. DETAILED DESCRIPTION

[0024] See also Figure 1-6 The utility model provides a technical solution: an injection molding device for producing automobile engine pipe fittings, comprising a box body 1 and an injection molding mechanism 5, a cabinet door 2 is arranged at the front end of the box body 1, an operation screen 3 is arranged above the cabinet door 2, a water valve 4 is threadedly connected to the left side of the box body 1, and an injection molding mechanism 5 is arranged inside the box body 1;

[0025] The injection molding mechanism 5 includes a plasticizing component 51 and a molding component 52 . The plasticizing component 51 is disposed on the inner side of the box body 1 , and one end of the plasticizing component 51 is threadedly connected to the molding component 52 .

[0026] Further, the plasticizing assembly 51 includes a fixing frame 511, a barrel 512, a motor 513, a hopper 514, an inner barrel 515, a heating coil 516, a first temperature sensor 517, a screw 518 and a nozzle 519. The inner side of the box body 1 is bolted with the fixing frame 511, the inner side of the fixing frame 511 is sleeved with the barrel 512, one end of the barrel 512 is clamped with the motor 513 through a coupling, the top of the barrel 512 is screwed with the hopper 514, the inner side of the barrel 512 is provided with an inner barrel 515, a heating coil 516 is provided between the inner barrel 515 and the barrel 512, and the heating coil A first temperature sensor 517 is provided on one side of 516, and a screw 518 is rotatably connected to the inner side of the inner cylinder 515. A nozzle 519 is provided at the end of the screw 518 away from the motor 513. Injection molding material is added into the hopper 514, and the motor 513 drives the screw 518 to rotate, so that the injection molding material moves in the inner cylinder 515, and multiple groups of heating coils 516 start to work, heat and melt the injection molding material, and finally it is extruded into the dividing cylinder 521 through the nozzle 519. During this period, the first temperature sensor 517 monitors the temperature of the heating coil 516 and the inner cylinder 515.

[0027] Furthermore, the mold assembly 52 includes a material distribution barrel 521, a second temperature sensor 522, a connecting pipe 523, a top plate 524, a cooling water port 525, a bottom plate 526 and a third temperature sensor 527. The bottom end of the nozzle 519 is threadedly connected to the material distribution barrel 521, the end of the material distribution barrel 521 is sleeved with the second temperature sensor 522, the end of the material distribution barrel 521 is threadedly connected to the connecting pipe 523, the other end of the connecting pipe 523 is threadedly connected to the top plate 524, the side of the top plate 524 close to the box body 1 is threadedly connected to the cooling water port 525, the bottom end of the top plate 524 is rotatably connected to the bottom plate 526, and the bottom end of the bottom plate 526 is screwed to the bottom plate 526. A third temperature sensor 527 is connected. The injection plastic is injected into the connecting pipe 523 after being distributed by the distribution barrel 521. The second temperature sensor 522 monitors the temperature of the injection plastic in the distribution barrel 521. The connecting pipe 523 completes the connection between the distribution barrel 521 and the top plate 524. The injection plastic is molded in the top plate 524 and the bottom plate 526. At this time, the third temperature sensor 527 detects the temperature of the unmolded pipe fittings inside the top plate 524 and the bottom plate 526. Cooling water or hot water is injected into the cooling water inlet 525 to complete the cooling temperature control of the internal pipe fittings to be molded, so that they are in the most suitable temperature reduction gradient to ensure that the structural strength of the pipe is not destroyed.

[0028] Working principle: First, an injection molding device for automobile engine pipe production is moved to the working position. In the first step, the water valve 4 is connected to the cooling water port 525, and the injection molding material is added into the hopper 514. In the second step, the motor 513 drives the screw 518 to rotate, so that the injection molding material moves in the inner cylinder 515. The multiple sets of heating rings 516 start to work, heat and melt the injection molding material, and finally squeeze it out from the nozzle 519 into the distribution cylinder 521. In the third step, during this period, the first temperature sensor 517 monitors the temperature of the heating ring 516 and the inner cylinder 515. In the fourth step, the injection plastic is distributed by the distribution cylinder 521 and injected into the connecting pipe 523. The second temperature sensor 522 monitors the distribution cylinder. The temperature of the injection plastic in 521 is monitored. In the fifth step, the injection plastic is formed in the top plate 524 and the bottom plate 526. At this time, the third temperature sensor 527 detects the temperature of the unformed pipe fittings inside the top plate 524 and the bottom plate 526, and injects cooling water or hot water into the cooling water port 525 to complete the cooling temperature regulation of the internal pipe fittings to be formed. In the sixth step, the processor in the box body 1 monitors the temperatures of the first temperature sensor 517, the second temperature sensor 522 and the third temperature sensor 527, calculates the difference, and promptly feeds back to the heating ring 516 to reduce the structural damage to the pipe fittings caused by cooling. In this way, the use process of an injection molding device for the production of automobile engine pipe fittings is completed.

Claims

1. An injection molding device for producing automobile engine pipe parts, comprising a housing (1) and an injection molding mechanism (5), characterized in that: A cabinet door (2) is arranged at the front end of the box body (1), an operation screen (3) is arranged above the cabinet door (2), a water valve (4) is threadedly connected to the left side of the box body (1), and an injection molding mechanism (5) is arranged inside the box body (1); The injection molding mechanism (5) comprises a plasticizing component (51) and a molding component (52); the plasticizing component (51) is arranged on the inner side of the box body (1); and one end of the plasticizing component (51) is threadedly connected to the molding component (52).

2. The injection molding device for producing automobile engine pipe parts according to claim 1, characterized in that: The plasticizing assembly (51) comprises a fixing frame (511), a barrel (512), a motor (513), a hopper (514), an inner barrel (515), a heating coil (516), a first temperature sensor (517), a screw (518) and a nozzle (519); the fixing frame (511) is bolted to the inner side of the box body (1); the barrel (512) is sleeved on the inner side of the fixing frame (511); and one end of the barrel (512) is clamped to the motor (513) via a coupling.

3. The injection molding device for producing automobile engine pipe parts according to claim 2, characterized in that: The top end of the barrel (512) is screw-connected to a hopper (514), an inner barrel (515) is provided inside the barrel (512), and a heating ring (516) is provided between the inner barrel (515) and the barrel (512).

4. The injection molding device for producing automobile engine pipe parts according to claim 3, characterized in that: A first temperature sensor (517) is provided on one side of the heating coil (516), and a screw (518) is rotatably connected to the inner side of the inner cylinder (515), and a nozzle (519) is provided at the lower end of the screw (518) away from the motor (513).

5. The injection molding device for producing automobile engine pipe parts according to claim 4, characterized in that: The molding assembly (52) comprises a material distribution barrel (521), a second temperature sensor (522), a connecting pipe (523), a top plate (524), a cooling water inlet (525), a bottom plate (526) and a third temperature sensor (527); the bottom end of the nozzle (519) is threadedly connected to the material distribution barrel (521), and the end of the material distribution barrel (521) is sleeved with the second temperature sensor (522).

6. The injection molding device for producing automobile engine pipe parts according to claim 5, characterized in that: The end of the material dispensing barrel (521) is threadedly connected to a connecting pipe (523), and the other end of the connecting pipe (523) is threadedly connected to a top plate (524).

7. The injection molding device for producing automobile engine pipe parts according to claim 6, characterized in that: A cooling water inlet (525) is threadedly connected to a side of the top plate (524) close to the box body (1); the bottom end of the top plate (524) is rotatably connected to a bottom plate (526); and the bottom end of the bottom plate (526) is screwed to a third temperature sensor (527).

Citation Information

Patent Citations

  • Injection molding machine for pipe fitting machining

    CN219171491U