WO2021120171A1

WO2021120171A1 - Smart valve needle opening/closing adjustment system

Info

Publication number: WO2021120171A1
Application number: PCT/CN2019/126965
Authority: WO
Inventors: 谢海深
Original assignee: 中亿腾模塑科技（苏州）有限公司
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2021-06-24

Abstract

A smart valve needle opening/closing adjustment system, comprising a mold main body (100), the mold main body (100) being provided with a mold plate (105), and said system further comprising a controller (9), a servo drive assembly, a sensing assembly, a hot-nozzle valve needle assembly and a hot injection molding runner; the hot injection molding runner comprises a primary glue injection opening (50), a plurality of secondary glue injection openings (51) and a plurality of product mold cavities (52) which are in communication sequentially, the servo drive assembly is provided on the mold plate (105), the hot-nozzle valve needle assembly is provided on the lower side of the servo drive assembly, the sensing assembly is provided on the product mold cavities (52), the controller (9) is provided outside the mold main body (100), the controller (9) is electrically connected to the servo drive assembly and the sensing assembly, and the hot-nozzle valve needle assembly is connected to the servo drive assembly. The smart valve needle opening/closing adjustment system has the advantages such as smart adjustment, reducing labor costs, and increasing production efficiency and product yield.

Description

An intelligent valve needle opening and closing adjustment system

Technical field

The invention relates to the technical field of injection molding hot runners, in particular to an intelligent valve needle opening and closing adjustment system.

Background technique

The valve hot runner means that the needle in the nozzle hole will move forward through the action of the valve after injection molding, thereby blocking the nozzle, so that no more glue can be injected, and the glue injected into the cavity can not flow back. With this kind of hot runner, there is no need to clean up the glue point because it is very flat.

In the prior art, the flow of colloid in the flow channel is controlled by manual adjustment of the time controller. During the adjustment process, human error will cause the flow rate of the colloid to be imbalanced, the glue is uneven, and the filling is incomplete. . As a result, the production efficiency is low and the defective rate is high.

For this reason, we have developed an intelligent valve needle opening and closing adjustment system to solve the above shortcomings.

Summary of the invention

The purpose of the present invention is to provide an intelligent valve needle opening and closing adjustment system in order to overcome the shortcomings of the prior art, which has the advantages of intelligent adjustment, reduced labor costs, improved production efficiency and product yield.

In order to achieve the above purpose, the technical solution adopted by the present invention is: an intelligent valve needle opening and closing adjustment system, including a mold main body, the mold main body is provided with a template, and also includes a controller, a servo drive component, an induction component, and a hot nozzle valve A needle assembly and a hot injection runner, the hot injection runner includes a main glue injection port, a plurality of glue injection ports, and a plurality of product cavities connected in sequence, the servo drive assembly is arranged on the template, so The lower side of the servo drive assembly is provided with the hot nozzle valve needle assembly, the sensing assembly is arranged on the product mold cavity, the controller is arranged on the outside of the mold main body, and the controller is connected to the The servo drive assembly is electrically connected with the sensing assembly, and the hot nozzle valve needle assembly is connected with the servo drive assembly.

Preferably, the servo drive assembly includes two first servo motors, two second servo motors, two third servo motors, and two fourth servo motors, the first servo motor and the second servo motor , The third servo motor and the fourth servo motor are arranged in parallel on the upper side of the product mold cavity, and are connected to the controller through a first flexible wire.

Preferably, the hot nozzle valve needle assembly includes a first hot nozzle valve needle, a second hot nozzle valve needle, a third hot nozzle valve needle, and a fourth hot nozzle valve needle. Is connected to the bottom end of the first servo motor, the top end of the second hot nozzle valve needle is connected to the bottom end of the second servo motor, and the top end of the third hot nozzle valve needle is connected to the first The three servo motors are connected at the bottom end, and the top end of the fourth hot nozzle valve needle is connected with the bottom end of the fourth servo motor.

Preferably, the sensing component includes two first pressure sensors, two second pressure sensors, two third pressure sensors, and two fourth pressure sensors, two of the first pressure sensors, and two of the first pressure sensors. Two pressure sensors, two third pressure sensors and two fourth pressure sensors are respectively arranged at two ends of the product mold cavity away from the glue dispensing port.

Preferably, the first pressure sensor, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor are respectively connected to the controller through a second flexible wire.

Preferably, the first pressure sensor is disposed close to the bottom end of the first hot nozzle valve needle, the second pressure sensor is disposed close to the bottom end of the second hot nozzle valve needle, and the third pressure sensor is close to The third hot nozzle valve needle is disposed at the bottom end, and the fourth pressure sensor is disposed near the bottom end of the fourth hot nozzle valve needle.

Preferably, the glue dispensing openings are arranged in a circumferential structure with the main glue injection opening as a center.

Preferably, the product mold cavities are symmetrically provided on both sides of the main glue injection port, and the product mold cavities are symmetrically provided on both sides of the glue dispensing port.

Preferably, the glue dispensing port is connected to two adjacent product cavities in a V shape.

Preferably, the first hot nozzle valve needle, the second hot nozzle valve needle, and the third hot nozzle valve needle are the same as the fourth hot nozzle valve needle.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art:

1. Through the intelligent sensor component, it senses the glue pressure at the corresponding position, and automatically controls the servo motor corresponding to the hot nozzle valve needle, so as to realize intelligent adjustment and reduce labor costs;

2. Improve the working environment, simplify the process, and increase the product output and work efficiency;

3. Reduce the rate of defective products, reduce the rate of defective products, and greatly improve product accuracy.

Description of the drawings

Figure 1 is a front view of the smart valve needle opening and closing adjustment system of the present invention;

Figure 2 is an enlarged view of A in Figure 1 of the present invention;

Fig. 3 is an enlarged view of B in Fig. 1 of the present invention;

Figure 4 is a cross-sectional view of E-E in Figure 1 of the present invention;

Fig. 5 is an enlarged view of C in Fig. 4 of the present invention;

Fig. 6 is an enlarged view of D in Fig. 4 of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

In Figures 1 to 6, an intelligent valve needle opening and closing adjustment system includes a mold body 100, which is provided with a template 105, and also includes a controller 9, a servo drive assembly, a sensing assembly, and a hot nozzle valve needle assembly With hot injection runner. The hot injection molding runner includes a main glue injection port 50, four glue injection ports 51 and four product cavities 52 which are connected in sequence. The servo drive assembly is arranged on the template 105, the lower side of the servo drive assembly is provided with a hot nozzle valve needle assembly, and the hot nozzle valve needle assembly is connected with the servo drive assembly. The sensing component is arranged on the product mold cavity 52. The controller 9 is arranged on the outside of the mold main body 100, and the controller 9 is electrically connected to the servo drive assembly and the induction assembly.

The glue dispensing port 51 is arranged in a circumferential structure with the main glue port 50 as the center. Two product cavities 52 are provided symmetrically on both sides of the main glue injection port 50, two product cavities 52 are provided on each side of the main glue injection port 50, and product cavities 52 are symmetrically provided on both sides of the glue injection port 51, Adjacent sides of the glue port 51 are each provided with a product mold cavity 52, the glue dispensing port 51 is connected to two adjacent product mold cavities 52 in a V shape, and the product mold cavity 52 is injected with a plastic product 101.

The servo drive assembly includes two first servo motors 13, two second servo motors 14, two third servo motors 15 and two fourth servo motors 16. The first servo motor 13, the second servo motor 14, the third servo motor 15 and the fourth servo motor 16 are arranged in parallel on the upper side of the product cavity 52, the first servo motor 13, the second servo motor 14, the third servo motor 15 The fourth servo motor 16 is connected to the controller 9 through the first flexible wire 91.

The hot nozzle valve needle assembly includes a first hot nozzle valve needle 17, a second hot nozzle valve needle 18, a third hot nozzle valve needle 19 and a fourth hot nozzle valve needle 20. The top end of the first hot nozzle valve needle 17 is connected to the bottom end of the first servo motor 13, the top end of the second hot nozzle valve needle 18 is connected to the bottom end of the second servo motor 14, and the third hot nozzle valve needle 19 The top end is connected to the bottom end of the third servo motor 15, and the top end of the fourth hot nozzle valve needle 20 is connected to the bottom end of the fourth servo motor 16. The first hot nozzle valve needle 17, the second hot nozzle valve needle 18, and the third hot nozzle valve needle 19 are the same as the fourth hot nozzle valve needle 20. The glue injection of each product cavity 52 can be individually adjusted by the corresponding hot nozzle valve needles controlled by each servo motor.

The sensing assembly includes two first pressure sensors 1, two second pressure sensors 2, two third pressure sensors 3, and two fourth pressure sensors 4. Two first pressure sensors 1, two second pressure sensors 2, two third pressure sensors 3, and two fourth pressure sensors 4 are respectively arranged at the two ends of the product mold cavity 52 away from the glue dispensing port 51. The pressure at the location facilitates the improvement of product yield, and intelligent adjustment reduces labor costs.

The first pressure sensor 1, the second pressure sensor 2, the third pressure sensor 3 and the fourth pressure sensor 4 are respectively connected to the controller 9 through a second flexible wire 92. The first pressure sensor 1 is located near the bottom end of the first hot nozzle valve needle 17, the second pressure sensor 2 is located near the bottom end of the second hot nozzle valve needle 18, and the third pressure sensor 3 is near the bottom end of the third hot nozzle valve needle 19. The fourth pressure sensor 4 is located near the bottom end of the fourth hot nozzle valve needle 20.

The invention provides the pressure sensor arranged in the product cavity to sense the pressure data of the corresponding position of the glue, and then transmits the data to the controller, and the controller automatically adjusts and controls the servo motor of the hot nozzle valve needle at the corresponding position according to the difference in the pressure data of the corresponding point position , It does not require manual operation, and realizes automatic control and adjustment of the hot nozzle valve needle movement to realize automatic balance of the amount of glue, thereby achieving intelligent automatic adjustment, saving manpower, reducing defective products due to manual adjustment, and avoiding waste of resources.

The above are only specific application examples of the present invention, and do not constitute any limitation on the protection scope of the present invention. All technical solutions formed by equivalent transformations or equivalent replacements fall within the protection scope of the present invention.

Claims

An intelligent valve needle opening and closing adjustment system includes a mold main body provided with a template, and is characterized in that it also includes a controller, a servo drive assembly, an induction assembly, a hot nozzle valve needle assembly, and a hot injection runner. The hot injection runner includes a main glue injection port, a plurality of glue injection ports, and a plurality of product cavities that are connected in sequence. The servo drive assembly is arranged on the template, and the servo drive assembly is provided with a lower side The hot nozzle valve needle assembly, the sensing assembly is arranged on the product mold cavity, the controller is arranged on the outside of the mold main body, and the controller is electrically connected to the servo drive assembly and the sensing assembly. Sexual connection, the hot nozzle valve needle assembly is connected with the servo drive assembly.
The intelligent valve needle opening and closing adjustment system according to claim 1, wherein the servo drive assembly includes two first servo motors, two second servo motors, two third servo motors, and two fourth servo motors. The motor, the first servo motor, the second servo motor, the third servo motor, and the fourth servo motor are arranged in parallel on the upper side of the product mold cavity, and are connected to the control via a first flexible wire器连接。 Connectors.
The smart valve needle opening and closing adjustment system according to claim 2, wherein the hot nozzle valve needle assembly includes a first hot nozzle valve needle, a second hot nozzle valve needle, a third hot nozzle valve needle, and a fourth hot nozzle valve needle. A nozzle valve needle, the top end of the first hot nozzle valve needle is connected to the bottom end of the first servo motor, and the top end of the second hot nozzle valve needle is connected to the bottom end of the second servo motor, The top end of the third hot nozzle valve needle is connected to the bottom end of the third servo motor, and the top end of the fourth hot nozzle valve needle is connected to the bottom end of the fourth servo motor.
The smart valve needle opening and closing adjustment system of claim 3, wherein the sensing component includes two first pressure sensors, two second pressure sensors, two third pressure sensors, and two fourth pressure sensors , The two first pressure sensors, the two second pressure sensors, the two third pressure sensors and the two fourth pressure sensors are respectively arranged in the product mold cavity away from the dispensing glue At both ends of the mouth.
The smart valve needle opening and closing adjustment system according to claim 4, wherein the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor are respectively connected to the control The device is connected by a second flexible wire.
The intelligent valve needle opening and closing adjustment system according to claim 5, wherein the first pressure sensor is arranged close to the bottom end of the first heat nozzle valve needle, and the second pressure sensor is close to the second heat The bottom end of the nozzle valve needle is provided, the third pressure sensor is provided near the bottom end of the third hot nozzle valve needle, and the fourth pressure sensor is provided near the bottom end of the fourth hot nozzle valve needle.
The smart valve needle opening and closing adjustment system according to claim 1, wherein the glue dispensing port is arranged in a circular structure with the main glue port as the center.
The smart valve needle opening and closing adjustment system according to claim 7, wherein the product mold cavity is symmetrically provided on both sides of the main glue injection port, and the product mold cavity is symmetrically provided on both sides of the glue injection port. Product cavity.
The intelligent valve needle opening and closing adjustment system according to claim 8, wherein the glue dispensing port is connected with two adjacent product cavities in a V shape.
The smart valve needle opening and closing system according to claim 3, wherein the first hot nozzle valve needle, the second hot nozzle valve needle, the third hot nozzle valve needle and the fourth heat nozzle The nozzle valve needle is the same.