CN212653791U

CN212653791U - High-precision energy-saving injection mold

Info

Publication number: CN212653791U
Application number: CN202021041217.4U
Authority: CN
Inventors: 周兰英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-05
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses an energy-conserving injection mold of high accuracy, including preceding die body, back die body and notes material mechanism, the die cavity has been seted up at the middle part of preceding die body and back die body, the front end of die cavity is connected with notes material mechanism through the sprue, notes material mechanism includes base, notes material subassembly, top stopper subassembly and main support, the main support is installed to the upper end of base, the top sliding connection of main support has notes material subassembly, the top stopper subassembly is installed to the front end of main support, the top stopper subassembly includes top stopper cylinder and ejector pin, the upper end fixedly connected with ejector pin of top stopper cylinder, the narrow body of rod in back before the ejector pin is wide. The sprue is by the ejector pin top plug, prevents the raw materials overflow, and clears away through the ejector pin in the sprue, no matter before the module shaping or after the module shaping, the sprue all is not blockked up by the raw materials, effectively avoids filling in the sprue after the raw materials solidifies, the drawing of patterns of being convenient for.

Description

High-precision energy-saving injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an energy-conserving injection mold of high accuracy.

Background

The die (mj) is a tool for making a blank into a workpiece with a specific shape and size under the action of external force in industrial production, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming.

The raw materials are injected into the die cavity through the injection device in the existing die, the injection device is withdrawn after the die cavity is filled, and then the die is molded, so that the conditions that the raw materials of the injection port overflow and the edge of the die cavity is not filled fully can be generated after the raw materials are injected, the raw materials are filled in the injection port, the raw materials of the injection port are molded simultaneously after the die is molded, but the aperture of the injection port is small, the residual raw materials at the injection port are easy to break with the die when the die is ejected out of the die cavity, so that the residual raw materials are remained in the injection port, and the demolding.

The above-mentioned drawbacks, worth improving.

Disclosure of Invention

An object of the utility model is to provide an energy-conserving injection mold of high accuracy, the sprue is by the ejector pin top stopper, prevents the raw materials overflow, and clears away through the ejector pin raw materials in the sprue, no matter before the module shaping or after the module shaping, the sprue is all not blockked up by the raw materials, fills in the sprue after effectively avoiding the raw materials to solidify, the drawing of patterns of being convenient for has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-conserving injection mold of high accuracy, includes preceding die body, back die body and notes material mechanism, the die cavity has been seted up at the middle part of preceding die body and back die body, the front end of die cavity is connected with notes material mechanism through the sprue, notes material mechanism includes base, notes material subassembly, plug subassembly and main support, the main support is installed to the upper end of base, the top sliding connection of main support has notes material subassembly, the plug subassembly is installed to the front end of main support, the plug subassembly includes plug cylinder and ejector pin, the upper end fixedly connected with ejector pin of plug cylinder, the narrow body of rod in the back of ejector pin is preceding width.

Preferably, the base includes base cylinder, bottom plate, main slide rail, main slide, vice slide rail and vice slide, and the base cylinder is installed to the left end of bottom plate, installs main slide rail on the bottom plate, and through main slide rail sliding connection main slide, installs vice slide rail on the main slide to there is vice slide through vice slide rail sliding connection, the base cylinder is connected with vice slide.

Preferably, annotate the material subassembly including annotating material cylinder, slider and ejection of compact mouth, annotate material cylinder and slider interconnect, the slider slides along the up end of main support, and the ejection of compact mouth is installed to the front end of slider.

Preferably, the top plug cylinder is in a compression state, the injection cylinder pushes the sliding block to move forwards, the discharge nozzle is connected in the injection port in an embedded mode, and the ejector rod is located below the sliding block.

Preferably, the material injection cylinder is in a compression state, the top plug cylinder pushes the ejector rod to move upwards until the ejector rod and the material injection port are located on the same horizontal line, the base cylinder pushes the ejector rod to move forwards until the ejector rod is connected to the material injection port in an embedded manner, and the material discharge nozzle is located behind the ejector rod.

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

the utility model discloses an energy-conserving injection mold of high accuracy, after the material subassembly is annotated the raw materials into the die cavity through the sprue, utilize the base cylinder to promote the top stopper subassembly and move forward, the ejector pin pushes up into the sprue, in pushing up the raw materials that are annotated in the sprue into the die cavity, pack the gap at die cavity edge, make the die shape after the shaping complete, improve die size accuracy; the sprue is by the ejector pin top plug, prevents the raw materials overflow, and clears away through the ejector pin in the sprue, no matter before the module shaping or after the module shaping, the sprue all is not blockked up by the raw materials, effectively avoids filling in the sprue after the raw materials solidifies, the drawing of patterns of being convenient for.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural diagram of a material injection mechanism in the first embodiment;

FIG. 3 is a view showing the structure of a base;

fig. 4 is a structural view of a material injection mechanism in the second embodiment.

In the figure: 1. a front mold body; 2. a rear mold body; 3. a material injection mechanism; 31. a base; 311. a base cylinder; 312. a base plate; 313. a main slide rail; 314. a main slide plate; 315. an auxiliary slide rail; 316. a secondary slide plate; 32. a material injection assembly; 321. a material injection cylinder; 322. a slider; 323. a discharging nozzle; 33. a top plug assembly; 331. a top plug cylinder; 332. a top rod; 34. a main support; 4. a material injection port; 5. a mold cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The first embodiment is as follows:

referring to fig. 1 and 2, a high-precision energy-saving injection mold includes a front mold body 1, a rear mold body 2 and a material injection mechanism 3, wherein a mold cavity 5 is formed in the middle of the front mold body 1 and the rear mold body 2, and the front end of the mold cavity 5 is connected to the material injection mechanism 3 through a material injection port 4.

Annotate material mechanism 3 includes base 31, annotates material subassembly 32, top stopper subassembly 33 and main support 34, and main support 34 is installed to the upper end of base 31, and the top sliding connection of main support 34 has notes material subassembly 32, and top stopper subassembly 33 is installed to the front end of main support 34.

The material injection assembly 32 comprises a material injection cylinder 321, a sliding block 322 and a material discharge nozzle 323, the material injection cylinder 321 is connected with the sliding block 322, the sliding block 322 slides along the upper end face of the main support 34, and the material discharge nozzle 323 is installed at the front end of the sliding block 322. The material injection cylinder 321 pushes the slide block 322 to move forward, and the material discharge nozzle 323 is connected to the material injection port 4 in a clamping and embedding manner.

The top plug assembly 33 comprises a top plug cylinder 331 and a top rod 332, the top end of the top plug cylinder 331 is fixedly connected with the top rod 332, and the top rod 332 is a rod body with a wide front part and a narrow back part; the top plug cylinder 331 is in a compressed state, and the top rod 332 is located below the slide block 322.

Referring to fig. 3, the base 31 includes a base cylinder 311, a bottom plate 312, a main slide rail 313, a main slide plate 314, an auxiliary slide rail 315 and an auxiliary slide plate 316, the base cylinder 311 is installed at the left end of the bottom plate 312, the main slide rail 313 is installed on the bottom plate 312 and is slidably connected to the main slide plate 314 through the main slide rail 313, the auxiliary slide rail 315 is installed on the main slide plate 314 and is slidably connected to the auxiliary slide plate 316 through the auxiliary slide rail 315, and the base cylinder 311 is connected to the auxiliary slide plate 316.

Example two:

referring to fig. 1, fig. 3 and fig. 4, in the present embodiment, the material injection cylinder 321 is in a compressed state, the top plug cylinder 331 pushes the top rod 332 to move upward until the top rod 332 and the material injection port 4 are located on the same horizontal line, and the base cylinder 311 pushes the top rod 332 to move forward until the top rod 332 is inserted into the material injection port 4, and the material discharge nozzle 323 is located behind the top rod 332.

The working principle is as follows: the top plug cylinder 331 is in a compression state, the injection cylinder 321 pushes the sliding block 322 to move forwards, the discharge nozzle 323 is connected to the injection port 4 in a clamping and embedding manner, the feeding system injects raw materials into the mold cavity 5 through the injection port 4, then the injection cylinder 321 drives the sliding block 322 to move backwards, the top plug cylinder 331 pushes the ejector rod 332 to move upwards until the ejector rod 332 and the injection port 4 are located on the same horizontal line, the base cylinder 311 pushes the ejector rod 332 to move forwards again until the ejector rod 332 is connected to the injection port 4 in a clamping and embedding manner, and the raw materials in the injection port 4 are ejected into the mold cavity 5.

In summary, the following steps: the utility model discloses an energy-conserving injection mold of high accuracy, after annotating material subassembly 32 and annotating the raw materials into die cavity 5 through sprue 4, utilize base cylinder 311 to promote top stopper subassembly 33 and move forward, during ejector pin 332 pushes up into sprue 4, push up the raw materials that are annotated in sprue 4 into die cavity 5, stuff 5 edge gaps of die cavity, make the die piece shape after the shaping complete, improve die piece size accuracy; the sprue 4 is plugged by the ejector rod 332, so that raw material overflow is prevented, the raw material is removed through the ejector rod 332 in the sprue 4, and the sprue 4 is not blocked by the raw material before or after the molding of the module, so that the raw material is effectively prevented from being filled in the sprue 4 after being solidified, and the demolding is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides an energy-conserving injection mold of high accuracy, includes preceding die body, back die body and notes material mechanism, the die cavity, its characterized in that have been seted up at the middle part of preceding die body and back die body: the front end of the die cavity is connected with a material injection mechanism through a material injection port;

annotate the material mechanism and include the base, annotate material subassembly, top stopper subassembly and main support, the main support is installed to the upper end of base, the top sliding connection of main support has notes material subassembly, the top stopper subassembly is installed to the front end of main support, the top stopper subassembly is including top stopper cylinder and ejector pin, the upper end fixedly connected with ejector pin of top stopper cylinder.

2. The high-precision energy-saving injection mold according to claim 1, characterized in that: the base comprises a base cylinder, a bottom plate, a main slide rail, a main slide plate, an auxiliary slide rail and an auxiliary slide plate, the base cylinder is installed at the left end of the bottom plate, the main slide rail is installed on the bottom plate and is connected with the main slide plate in a sliding mode through the main slide rail, the auxiliary slide rail is installed on the main slide plate, the auxiliary slide plate is connected with the auxiliary slide plate in a sliding mode through the auxiliary slide rail, and the base cylinder is connected with the auxiliary slide plate.

3. The high-precision energy-saving injection mold according to claim 1, characterized in that: annotate the material subassembly and including annotating material cylinder, slider and ejection of compact mouth, annotate material cylinder and slider interconnect, the slider slides along the up end of main support, and the ejection of compact mouth is installed to the front end of slider.

4. The high-precision energy-saving injection mold according to claim 3, characterized in that: the ejector plug cylinder is in a compression state, the injection cylinder pushes the sliding block to move forwards, the discharge nozzle is connected in the injection port in an embedded mode, and the ejector rod is located below the sliding block.

5. The high-precision energy-saving injection mold according to claim 3, characterized in that: the material injection cylinder is in a compression state, the top plug cylinder pushes the ejector rod to move upwards until the ejector rod and the material injection port are located on the same horizontal line, the base cylinder pushes the ejector rod to move forwards until the ejector rod is connected into the material injection port in a clamping and embedding manner, and the material discharge nozzle is located behind the ejector rod.