CN209176107U - An energy-saving injection mold - Google Patents

Abstract

The utility model provides an energy-conserving injection mold, including cover half subassembly, movable mould subassembly, ejecting subassembly, the cover half subassembly includes fixed die plate, cover half benevolence, the movable mould subassembly includes movable mould front bezel, movable mould back plate, movable mould arm-tie, the movable mould front bezel with fixedly connected with pull rod between the movable mould arm-tie, the movable mould front bezel is kept away from movable mould back plate one side is fixed with movable mould benevolence, the cover half benevolence with form a die cavity between the movable mould benevolence, the movable mould front bezel with form a activity space between the movable mould back plate, ejecting subassembly set up in the activity space, ejecting subassembly includes push pedal, screw thread portion, nut, thimble, logical heart board, spring, the movable mould front bezel with still be equipped with the thimble through-hole that runs through in the movable mould benevolence, the thimble activity in the thimble through-hole. The utility model discloses an injection mold, simple structure takes off the material convenience, and only needs a motor of installation, can realize taking off the material.

Description

An energy-saving injection mold

technical field

The utility model relates to the technical field of injection molding, in particular to an energy-saving injection molding mold.

Background technique

Injection molded products are common daily necessities. Due to their advantages of light weight, high strength, good durability and strong assembleability, injection molded products are widely used in household products, medical equipment, building materials, sports equipment and other fields. In the production process of injection molded products, the plastic material in the molten state is usually stirred evenly by a screw extruder at a certain temperature, and then injected into the injection mold. The plastic material is formed in the cavity of the injection mold, and obtained after cooling and solidification. The molded injection molded product is then pushed out of the injection mold by the thimble. In the injection mold of the prior art, the general operation of stripping is to move the fixed mold assembly backward to separate the injection molded product from the fixed mold assembly, and then use the thimble to push the injection molded product from the movable mold core. This process requires Multiple motors operate, consuming large amounts of energy.

Utility model content

In view of the above problems, the utility model provides an energy-saving injection mold, which has a simple structure and is convenient for stripping, and only needs to install a motor to realize stripping.

In order to achieve the above object, the utility model is solved through the following technical solutions:

An energy-saving injection mold, comprising a fixed mold assembly, a movable mold assembly, and an ejector assembly located in the movable mold assembly, the fixed mold assembly includes a fixed template, and is connected to the left side of the fixed template The fixed mold core, the movable mold assembly includes the front plate of the movable mold, the rear plate of the movable mold, and the draw plate of the movable mold, and a tie rod is fixedly connected between the front plate of the movable mold and the draw plate of the movable mold, and the movable mold A tie rod hole corresponding to the pull rod is provided on the rear plate of the mold, and the tie rod moves in the tie rod hole. A movable mold core is fixed on the side of the movable mold front plate away from the movable mold rear plate. A mold cavity is formed between the mold core and the movable mold core, an activity space is formed between the movable mold front plate and the movable mold rear plate, the ejector assembly is arranged in the activity space, and the ejector The assembly includes a push plate, a threaded part connected to the right end of the push plate, a nut rotatably connected to the outside of the threaded part, a thimble connected to the right end of the threaded part, and a masonry plate fixed to the left end of the front plate of the movable mold 1. A spring located between the nut and the masonry plate, the spring is sleeved on the outside of the thimble and the threaded part and the right end is fixedly connected with the masonry plate, the front plate of the movable mold and the There is also a penetrating thimble through hole inside the movable mold core, and the thimble moves in the thimble through hole.

Specifically, a push rod is connected to the side of the movable mold drawing plate away from the movable mold front plate.

Specifically, a through hole is provided in the through plate, and the thimble passes through the through hole.

Specifically, the fixed mold plate is provided with a sprue, and the fixed mold core is provided with a feedway connected to the sprue, and the feedway is connected to the cavity.

Specifically, the front plate of the movable mold is also provided with a reset lever on the side of the fixed template, and the fixed template is provided with a reset through hole corresponding to the reset lever, and the reset lever is movable on the reset lever. inside the through hole.

The beneficial effects of the present utility model are:

The injection mold of the utility model is designed to have a structure of a push plate, a threaded part, a nut, a thimble, a core plate, and a spring by improving the ejector assembly. The push rod is connected to the motor. When demoulding, the motor After work, the push rod moves the movable mold drawing plate and the movable mold front plate backward, and with the backward movement of the movable mold front plate, it drives the injection molded product in the movable mold core to move backward, and then moves a certain distance, pushes The plate is in contact with the rear plate of the movable mold, and the thimble begins to protrude from the front side of the movable mold core, pushing down the injection molded product at the front end of the movable mold core. It moves forward, and then the thimble resets under the elastic force of the spring. The structure is simple and the stripping is convenient. Only one motor is needed to realize the stripping, which saves energy.

Description of drawings

Fig. 1 is a structural schematic diagram of an energy-saving injection mold of the present invention.

Fig. 2 is an enlarged view of part A in Fig. 1 .

Reference numerals are: fixed mold assembly 10, fixed template 11, pouring port 111, fixed mold core 12, material channel 121, movable mold assembly 20, movable mold front plate 21, movable mold core 211, reset rod 212, Die rear plate 22, movable mold pull plate 23, push rod 231, ejector assembly 30, push plate 31, threaded part 32, nut 33, thimble 34, macaroni plate 35, spring 36, pull rod 40, cavity 50, movable Space 60.

Detailed ways

The utility model will be further described in detail below in conjunction with the embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.

As shown in Figure 1-2:

An energy-saving injection mold, comprising a fixed mold assembly 10, a movable mold assembly 20, and an ejector assembly 30 located in the movable mold assembly 20, the fixed mold assembly 10 includes a fixed template 11, and is connected to the left side of the fixed template 11 The fixed mold core 12 on the side, the movable mold assembly 20 includes a movable mold front plate 21, a movable mold rear plate 22, and a movable mold pull plate 23, and a tie rod 40 is fixedly connected between the movable mold front plate 21 and the movable mold pull plate 23, The rear plate 22 of the movable mold is provided with a tie rod hole corresponding to the tie rod 40, and the tie rod 40 moves in the hole of the tie rod. The front plate 21 of the movable mold is fixed on the side away from the rear plate 22 of the movable mold. A mold cavity 50 is formed between the mold cores 211, an activity space 60 is formed between the movable mold front plate 21 and the movable mold rear plate 22, and the ejector assembly 30 is arranged in the activity space 60, and the ejector assembly 30 includes a push plate 31, The threaded portion 32 connected to the right end of the push plate 31, the nut 33 rotatably connected to the outside of the threaded portion 32, the thimble 34 connected to the right end of the threaded portion 32, the through-hole plate 35 fixed on the left end of the movable mold front plate 21, the nut 33 and the The spring 36 between the macaroni plates 35, because the deformation of the spring 36 may change due to long-term extrusion factors, the rightmost end of the thimble 34 passes through the right side of the movable mold core 211 or shrinks in the through hole of the thimble, which affects the For the quality of the plastic model, by adjusting the position of the nut 33 on the threaded part 32, under the natural state of the spring 36, the rightmost end of the thimble 34 is flush with the end face of the movable mold core 211, and the spring 36 is sleeved between the thimble 34 and the The outer side and the right end of the threaded part 32 are fixedly connected with the macaroni plate 35 , and there are also thimble holes through the movable mold front plate 21 and the movable mold core 211 , and the thimble pins 34 move in the thimble through holes.

Preferably, a push rod 231 is connected to the side of the movable die drawing plate 23 away from the movable die front plate 21, and the left end of the push rod 231 is used to connect a motor, and the rotation of the motor makes the push rod 231 move left and right in the horizontal direction.

Preferably, a through hole is provided in the through plate 35 , and the thimble 34 passes through the through hole.

Preferably, the fixed template 11 is provided with a sprue 111, and the fixed mold core 12 is provided with a feedway 121 connected to the sprue 111, the feedway 121 is connected with the cavity 50, and the sprue 111 is used for extruding the extruder. At the outlet, the extruder extrudes the molten plastic material into the pouring port 111 , and the plastic material enters the cavity 50 through the channel 121 and is molded in the cavity 50 .

Preferably, a reset lever 212 is provided on the side of the movable mold front plate 21 close to the fixed template 11, and a reset through hole corresponding to the reset lever 212 is provided on the fixed template 11, and the reset lever 212 moves in the reset through hole.

The specific operation is as follows: the left end of the push rod 231 is connected to the motor. When demoulding, the motor is energized and rotates forward to make the push rod 231 move backward. The movement of the push rod 231 drives the movable mold pull plate 23 and the movable mold front plate 21 With the backward movement of the movable mold front plate 21, the injection molded product in the movable mold core 211 is driven to move backward, and then after moving a certain distance, the push plate 31 contacts the movable mold rear plate 22, and the thimble 34 Begin to stretch out the front side of the movable mold core 211, and push down the injection molding product at the front end of the movable mold core 211. The plate 31 is separated from the movable mold rear plate 22 until the thimble 34 resets under the elastic force of the spring 36, and a stripping operation is completed.

The above-mentioned embodiment only expresses one implementation mode of the utility model, and its description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (5)

1. it is a kind of energy conservation injection mold, including cover half component (10), dynamic model component (20) and be located at the dynamic model component (20) Interior ejection assembly (30), the cover half component (10) include solid plate (11) and are connected on the left of the solid plate (11) Fixed mold core (12), which is characterized in that the dynamic model component (20) include dynamic model foreboard (21), dynamic model back plate (22), dynamic model draw Plate (23) is fixedly connected with pull rod (40), the dynamic model back plate between the dynamic model foreboard (21) and the dynamic model pulling plate (23) (22) it is equipped with the tie rod hole corresponding to the pull rod (40), the pull rod (40) is active in the tie rod hole, the dynamic model Foreboard (21) is fixed with mavable module core (211) far from dynamic model back plate (22) side, the fixed mold core (12) and the mavable module core (211) a type chamber (50) is formed between, and an activity is formed between the dynamic model foreboard (21) and the dynamic model back plate (22) Space (60), the ejection assembly (30) are set in the activity space (60), and the ejection assembly (30) includes push plate (31), it is connected to the threaded portion (32) of the push plate (31) right end, rotates the nut being connected on the outside of the threaded portion (32) (33), the logical core for being connected to the thimble (34) of the threaded portion (32) right end, being fixed on dynamic model foreboard (21) left end (35), the spring (36) between the nut (33) and the logical core (35), the spring (36) are set in the top On the outside of needle (34) and the threaded portion (32) and right end is fixedly connected with the logical core (35), the dynamic model foreboard (21) and It is additionally provided with perforative thimble through-hole in the mavable module core (211), the thimble (34) is active in the thimble through-hole.

2. a kind of energy saving injection mold according to claim 1, which is characterized in that the dynamic model pulling plate (23) is far from described Dynamic model foreboard (21) side is also connected with push rod (231).

3. a kind of energy saving injection mold according to claim 1, which is characterized in that be equipped with the logical heart in the logical core (35) Hole, the thimble (34) run through the through-core hole.

4. a kind of energy saving injection mold according to claim 1, which is characterized in that the solid plate (11) is equipped with casting Mouth (111), the fixed mold core (12) are equipped with the material path (121) for connecting the sprue gate (111), the material path (121) and institute State type chamber (50) perforation connection.

5. a kind of energy saving injection mold according to claim 1, which is characterized in that the dynamic model foreboard (21) is close to described Solid plate (11) side is additionally provided with release link (212), and the solid plate (11) is equipped with answering corresponding to the release link (212) Position through-hole, the release link (212) are active in the reset through-hole.