CN217993316U

CN217993316U - Injection mold convenient to control material flow speed

Info

Publication number: CN217993316U
Application number: CN202221472062.9U
Authority: CN
Inventors: 余家隆; 王洪颂; 许道君
Original assignee: Huizhou Jianlian Intelligent Technology Co ltd
Current assignee: Huizhou Jianlian Intelligent Technology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-09
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to an injection mold convenient to control material flow speed, including movable mould board and fixed die plate, the upper end of movable mould board is connected with flow rate control mechanism, just flow rate control mechanism is including the feeding tail pipe that communicates in the movable mould board upper end, just the upper end of feeding tail pipe is rotated and is connected with the feeding runner, semicircular tail pipe intercommunication mouth has been seted up on the terminal surface of feeding tail pipe, just semicircular runner intercommunication mouth has been seted up on the terminal surface of feeding runner, just the terminal surface of feeding tail pipe and feeding runner closely laminates, just thermal-insulated seat is installed to the upper end of movable mould board, step motor is installed to the upper end of thermal-insulated seat, step motor is connected with feeding runner transmission, drives the feeding runner through step motor and rotates to adjust the tail pipe intercommunication mouth of feeding tail pipe and feeding runner and the size of the intercommunication face of runner, finally realized the material flow speed when adjusting to mould plastics, improved the quality of moulding plastics.

Description

Injection mold convenient to control material flow speed

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold convenient to control material flow speed.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting the heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the plastic mold is divided into two plastic molds of a thermosetting plastic mold according to the forming characteristics; the method comprises the following steps of dividing the molding process into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the loading and unloading mode can be divided into a movable mode and a fixed mode.

China patent application No. CN201921855228.3 discloses an integral demolding ejection injection mold for a circular arc-shaped hollow injection molding part, but the flow and the flow velocity of materials cannot be limited when the end of injection molding is carried out, so that the injection molding quality is influenced, and therefore an injection mold convenient for controlling the material flow velocity needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold convenient to control material flow speed drives the feeding runner through step motor and rotates to adjust the tail pipe intercommunication mouth of feeding tail pipe and feeding runner and the size of the intercommunication face of runner intercommunication mouth, finally realized adjusting the material flow speed when moulding plastics, improve the quality of moulding plastics, solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold convenient to control material flow speed, includes movable mould board and fixed die plate, the upper end of movable mould board is connected with flow rate control mechanism, just flow rate control mechanism is including the feeding tail pipe that communicates in the movable mould board upper end, just the upper end of feeding tail pipe is rotated and is connected with the feeding runner pipe, semicircular tail pipe intercommunication mouth has been seted up on the terminal surface of feeding tail pipe, just semicircular runner pipe intercommunication mouth has been seted up on the terminal surface of feeding runner pipe, just the terminal surface of feeding tail pipe and feeding runner pipe closely laminates, just thermal-insulated seat is installed to the upper end of movable mould board, step motor is installed to the upper end of thermal-insulated seat, step motor is connected with the transmission of feeding runner pipe.

Furthermore, the movable mould plate and the fixed mould plate are correspondingly arranged, the movable mould plate is positioned right above the fixed mould plate, and hydraulic cylinders are arranged on two sides of the upper end of the movable mould plate.

Furthermore, the movable mould plate and the fixed mould plate are both provided with mould cores, the lower end of the movable mould plate is provided with a glue outlet, and the glue outlet is positioned in the center of the lower end of the movable mould plate.

Furthermore, the inner wall of the feeding tail pipe is provided with a rotating connecting groove, a rotating connecting part is integrally formed at the lower end of the feeding rotating pipe, the rotating connecting part is inserted into the rotating connecting groove, and the feeding tail pipe and the feeding rotating pipe are rotatably connected through the matching of the rotating connecting groove and the rotating connecting part.

Further, the heat insulation seat is detachably mounted at the upper end of the movable template through a fixing bolt, threaded connection holes are formed in four corners of the upper end of the heat insulation seat, and the stepping motor is mounted at the upper end of the heat insulation seat through the threaded connection holes in a matched mode with the fixing bolt.

Furthermore, three groups of cavities are formed in the heat insulation seat, the cavities are arranged at equal intervals, and heat insulation layers are filled in the cavities.

Furthermore, the output shaft of the stepping motor is fixedly connected with a driving gear, a driven gear is fixedly mounted on the outer wall of the feeding rotating pipe, and the driving gear is meshed with the driven gear.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a step motor drives the feeding runner and rotates to adjust the tail pipe intercommunication mouth of feeding tail pipe and feeding runner and the size of the intercommunication face of runner intercommunication mouth, finally realized adjusting the material flow speed when moulding plastics, improve the quality of moulding plastics.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic end face structure diagram of the feeding tail pipe of the present invention;

FIG. 3 is a schematic view of the end face structure of the feeding rotary pipe of the present invention;

fig. 4 is a schematic view of the internal structure of the heat insulation seat of the present invention.

In the figure: 1. moving the template; 2. fixing a template; 10. a flow rate control mechanism; 101. a feeding tail pipe; 102. feeding and pipe rotating; 103. a tail pipe communicating port; 104. a transfer pipe communicating port; 105. a heat insulation seat; 106. a stepping motor; 107. a hydraulic cylinder; 109. rotating the connecting groove; 110. a rotation connecting part; 111. connecting a threaded hole; 112. A cavity; 113. a driving gear; 114. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold convenient for controlling material flow speed comprises a movable mold plate 1 and a fixed mold plate 2, wherein the movable mold plate 1 and the fixed mold plate 2 are correspondingly arranged, the movable mold plate 1 is positioned right above the fixed mold plate 2, hydraulic cylinders 107 are arranged on two sides of the upper end of the movable mold plate 1, mold cores are arranged on the movable mold plate 1 and the fixed mold plate 2, a glue outlet is formed in the lower end of the movable mold plate 1 and is positioned in the center of the lower end of the movable mold plate 1, and the movable mold plate 1 is driven to move downwards through the hydraulic cylinders 107 to be closed, so that the whole process of injection molding is realized;

the upper end of the movable template 1 is connected with a flow rate control mechanism 10, the flow rate control mechanism 10 comprises a feeding tail pipe 101 communicated with the upper end of the movable template 1, the upper end of the feeding tail pipe 101 is rotatably connected with a feeding rotating pipe 102, the inner wall of the feeding tail pipe 101 is provided with a rotating connecting groove 109, the lower end of the feeding rotating pipe 102 is integrally formed with a rotating connecting part 110, the rotating connecting part 110 is inserted into the rotating connecting groove 109, the feeding tail pipe 101 and the feeding rotating pipe 102 are rotatably connected through the matching of the rotating connecting groove 109 and the rotating connecting part 110, the rotating connecting part 110 of the feeding rotating pipe 102 has certain elasticity, and can expand outwards under the pressure of materials, so that the materials are prevented from overflowing from the connecting seam of the feeding tail pipe 101 and the feeding rotating pipe 102;

the end surface of the feeding tail pipe 101 is provided with a semicircular tail pipe communicating opening 103, the end surface of the feeding rotating pipe 102 is provided with a semicircular rotating pipe communicating opening 104, the end surfaces of the feeding tail pipe 101 and the feeding rotating pipe 102 are tightly attached, and the size of the communicating surface of the tail pipe communicating opening 103 and the rotating pipe communicating opening 104 of the feeding tail pipe 101 and the feeding rotating pipe 102 is adjusted by controlling the rotation angle of the feeding rotating pipe 102, so that the material flow speed during injection molding is finally adjusted, and the injection molding quality is improved;

the upper end of the movable template 1 is provided with a heat insulation seat 105, the upper end of the heat insulation seat 105 is provided with a stepping motor 106, the upper end of the movable template 1 is provided with a threaded hole corresponding to the heat insulation seat 105, the heat insulation seat 105 is detachably arranged at the upper end of the movable template 1 through a fixing bolt, four corners of the upper end of the heat insulation seat 105 are provided with threaded connection holes 111, the stepping motor 106 is arranged at the upper end of the heat insulation seat 105 through the threaded connection holes 111 in a manner of being matched with the fixing bolt, three groups of cavities 112 are formed in the heat insulation seat 105, the three groups of cavities 112 are arranged at equal intervals, a heat insulation layer is filled in the cavities 112 and is made of a polyphenyl material, and the heat insulation layer can enable the stepping motor 106 to normally operate;

step motor 106 is connected with the transmission of feeding runner 102, and step motor 106's output shaft fixedly connected with driving gear 113, and the outer wall fixed mounting of feeding runner 102 has driven gear 114, and driving gear 113 and driven gear 114 mesh mutually, and the drive ratio of driving gear 113 and driven gear 114 is 1: 1;

the movable mould plate 1 and the fixed mould plate 2 are both provided with mould cores, the lower end of the movable mould plate 1 is provided with a glue outlet, the glue outlet is positioned in the center of the lower end of the movable mould plate 1, the movable mould plate 1 is driven to move downwards through the hydraulic cylinder 107 to carry out mould closing, thereby the whole process of injection molding work is realized, the stepping motor 106 is arranged at the upper end of the heat insulation seat 105 through a threaded connecting hole 111 matched with a fixing bolt, three groups of cavities 112 are arranged in the heat insulation seat 105, the three groups of cavities 112 are arranged at equal intervals, the inside of the cavities 112 is filled with a heat insulation layer, the heat insulation layer is made of polystyrene materials, the heat insulation layer can enable the stepping motor 106 to normally run, the stepping motor 106 drives the feeding rotary pipe 102 to rotate, the end surfaces of the feeding tail pipe 101 and the feeding rotary pipe 102 are tightly attached, the rotation angle of the feeding rotary pipe 102 is controlled, the sizes of the communication surfaces of the tail pipe communication ports 103 and the rotary pipe communication ports 104 of the feeding tail pipe 101 and the feeding rotary pipe 102 are adjusted, finally the material flow speed during injection molding is adjusted, and the injection molding quality is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection mold convenient to control material flow speed, includes movable mould board (1) and fixed mould board (2), its characterized in that: the upper end of the movable mould plate (1) is connected with a flow rate control mechanism (10), the flow rate control mechanism (10) comprises a feeding tail pipe (101) communicated with the upper end of the movable mould plate (1), the upper end of the feeding tail pipe (101) is rotatably connected with a feeding rotating pipe (102), a semicircular tail pipe communicating port (103) is formed in the end face of the feeding tail pipe (101), a semicircular rotating pipe communicating port (104) is formed in the end face of the feeding rotating pipe (102), the end faces of the feeding tail pipe (101) and the feeding rotating pipe (102) are tightly attached, a heat insulation seat (105) is installed at the upper end of the movable mould plate (1), a stepping motor (106) is installed at the upper end of the heat insulation seat (105), and the stepping motor (106) is in transmission connection with the feeding rotating pipe (102).

2. An injection mold facilitating control of material flow rate as in claim 1, wherein: the movable mould is characterized in that the movable mould plate (1) and the fixed mould plate (2) are correspondingly arranged, the movable mould plate (1) is positioned right above the fixed mould plate (2), and hydraulic cylinders (107) are arranged on two sides of the upper end of the movable mould plate (1).

3. An injection mold for facilitating control of material flow rate as recited in claim 2, wherein: the die core is arranged on the movable die plate (1) and the fixed die plate (2), the lower end of the movable die plate (1) is provided with a glue outlet, and the glue outlet is positioned in the center of the lower end of the movable die plate (1).

4. An injection mold for facilitating control of material flow rate as recited in claim 3, wherein: the rotary connecting groove (109) is formed in the inner wall of the feeding tail pipe (101), the rotary connecting part (110) is integrally formed at the lower end of the feeding rotating pipe (102), the rotary connecting part (110) is inserted into the rotary connecting groove (109), and the feeding tail pipe (101) and the feeding rotating pipe (102) are rotatably connected through the matching of the rotary connecting groove (109) and the rotary connecting part (110).

5. An injection mold for facilitating control of flow rate as set forth in claim 4, wherein: the heat insulation seat (105) is detachably mounted at the upper end of the movable template (1) through a fixing bolt, threaded connecting holes (111) are formed in four corners of the upper end of the heat insulation seat (105), and the stepping motor (106) is mounted at the upper end of the heat insulation seat (105) through the threaded connecting holes (111) in cooperation with the fixing bolt.

6. An injection mold facilitating control of material flow rate as recited in claim 5, wherein: three groups of cavities (112) are formed in the heat insulation seat (105), the three groups of cavities (112) are arranged at equal intervals, and heat insulation layers are filled in the cavities (112).

7. An injection mold for facilitating control of material flow rate as recited in claim 6, wherein: an output shaft of the stepping motor (106) is fixedly connected with a driving gear (113), a driven gear (114) is fixedly mounted on the outer wall of the feeding rotating pipe (102), and the driving gear (113) is meshed with the driven gear (114).