CN210061817U

CN210061817U - High-precision automatic calibration mold

Info

Publication number: CN210061817U
Application number: CN201920647014.0U
Authority: CN
Inventors: 陈洪虎
Original assignee: Kunshan East Zhuo Precision Electronic Technology Co Ltd
Current assignee: Ningbo Hongyao Photoelectric Components Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-14
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a high-precision automatic calibration mould, which comprises a sprue gate plate, a belleville spring and a fixed mould plate; the die comprises a fixed die plate, a movable die plate, a gate plate, a butterfly spring, a supporting plate and a square wedge block, wherein the gate plate is connected with the movable die plate through equal-height bolts, the butterfly spring is located on two sides of the equal-height bolts and located in a lower square groove of the gate plate, the butterfly spring ejects the movable die plate after a die is opened, a gap is formed between the movable die plate and the gate plate, the square wedge block is arranged on the fixed die plate, and the bottom end of the square wedge block is connected with. The utility model relates to a high-accuracy automatic calibration mould, the structure is simple and convenient, improves the life of mould, reduces the mould cost, reduces mould volume size, ensures that the size precision of product is more accurate.

Description

High-precision automatic calibration mold

Technical Field

The utility model relates to a calibration mould technical field especially relates to a high-accuracy automatic calibration mould.

Background

Dies, various molds and tools used by industrial manufacturers to obtain desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, and the like. In short, a mold is a tool for making a shaped article, the tool being composed of various parts, different molds being composed of different parts.

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 die is a precise tool, has a complex shape and bears the expansion force of the blank. In the process of moulding, the mould needs to be calibrated, so that the dimensional accuracy and the appearance requirement of a product meet the standard, the mould correcting and positioning in the same industry depends on the guide pillar and the fine positioning for positioning, and during long-time production, the fine positioning is easy to wear, so that the precision of the mould is influenced, and the dimensional accuracy and the appearance of the product are influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the high-precision automatic calibration die is simple and convenient in structure, the service life of the die is prolonged, the die cost is reduced, the size of the die is reduced, and the accuracy of the size of a product is ensured.

In order to achieve the above object, the present invention provides the following technical solutions:

a high-precision automatic calibration die comprises a sprue plate, a belleville spring and a fixed die plate; the die comprises a fixed die plate, a movable die plate, a gate plate, a butterfly spring, a supporting plate and a square wedge block, wherein the gate plate is connected with the movable die plate through equal-height bolts, the butterfly spring is located on two sides of the equal-height bolts and located in a lower square groove of the gate plate, the butterfly spring ejects the movable die plate after a die is opened, a gap is formed between the movable die plate and the gate plate, the square wedge block is arranged on the fixed die plate, and the bottom end of the square wedge block is connected with.

Further, the equal-height bolts are located in a special-shaped groove in the sprue plate, and a gap between the upper end face of the special-shaped groove and the top end of each equal-height bolt is 0.1 mm.

Further, the gap between the movable mould plate and the sprue plate is set to be 0.1 mm.

Furthermore, four square wedge blocks are arranged, the square wedge blocks are located in the diagonal direction of the fixed die plate, and the shapes and the sizes of the square wedge blocks on the same diagonal line are the same.

Furthermore, the square wedges on the same horizontal line on the fixed template have different shapes and sizes.

Furthermore, the surface shapes of the two sides of the square wedge block in the length direction are both trapezoidal, and a gap is formed between the two sides of the bottom end of the square wedge block in the length direction and the placing groove in the fixed die plate.

The utility model discloses realize following beneficial effect:

the utility model provides a high accuracy automatic calibration mould, uses through the cooperation, realizes the mould automatic calibration, guarantees the precision of mould.

1. The sprue plate is connected with the movable template through the belleville spring, the movable template and the fixed template can be in contact, corrected and positioned before die assembly, positioning is carried out in advance, the speed of accurate die assembly is improved, the time for automatic correction is shortened, and the working efficiency is improved.

2. The square wedge block is arranged, so that correction can be performed from four sides in the die assembly process, and the correction accuracy is further ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a sectional view of the overall structure of a high-precision automatic calibration mold.

FIG. 2 is a sectional view of a high-precision automatic calibration mold.

In the figure: 1. a gate plate; 2. moving the template; 3. fixing a template; 4. a support plate; 5. an equal-height bolt; 6. a belleville spring; 7. a square wedge block; 8. a special-shaped groove.

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.

Referring to fig. 1 to 2, a high-precision automatic calibration mold comprises a gate plate 1, a belleville spring 6 and a fixed mold plate 3; the die comprises a die plate 1, a movable die plate 2, a butterfly spring 6, a fixed die plate 3, a movable die plate 7, a supporting plate 4 and a square wedge 7, wherein the die plate 1 is connected with the movable die plate 2 through an equal-height bolt 5, the butterfly spring 6 is positioned on two sides of the equal-height bolt 5, the butterfly spring 6 is positioned in a square groove at the lower end of the die plate 1, the movable die plate 2 is ejected out after a die is opened by the butterfly spring 6, the movable die plate 2 is firstly contacted with the fixed die plate 3 to start positioning when the die is closed, a gap is formed between the movable die plate 2 and the die plate 1, the movable die plate 2 can be ejected out, the square wedge 7 is arranged on the fixed die plate 3, the bottom.

The equal-height bolts 5 are positioned in the special-shaped grooves 8 on the sprue plate 1, and the gap between the upper end surfaces of the special-shaped grooves 8 and the top ends of the equal-height bolts 5 is 0.1 mm.

The gap between the movable mould plate 2 and the sprue plate 1 is set to be 0.1 mm.

The four square wedge blocks 7 are arranged, the square wedge blocks 7 are located in the diagonal direction of the fixed template 3, the shapes and the sizes of the square wedge blocks on the same diagonal line are the same, and the fixed template 3 and the movable template 2 are calibrated from four directions, so that the calibration is more accurate.

The square wedge blocks 7 on the same horizontal line on the fixed template 3 are different in shape and size, and the calibration direction is increased.

The surface shapes of two sides of the square wedge 7 in the length direction are both trapezoidal, a gap is arranged between two sides of the bottom end of the square wedge 7 in the length direction and the placing groove in the fixed die plate 3, after the die is closed, the temperature in the die is high, the die expands due to heat, and the gap at the moment is a reserved expansion amount.

The working principle is as follows: when the mold is opened, the pressure on the movable mold plate 2 is reduced, the belleville spring 6 pops the movable mold plate 2 open by 0.1mm, when the mold is closed, because the movable mold plate 2 is popped out and can be firstly positioned by contacting with the fixed mold plate 3, the correction speed is improved, the square wedge blocks 7 are contacted with the movable mold plate 2 at the moment, the four square wedge blocks 7 are used for positioning and correcting the movable mold plate 2 and the fixed mold plate 3 in four directions, the automatic positioning of the mold can be ensured to be more accurate, the mold opening and the mold closing speed are accelerated, the time consumption is reduced, and the working efficiency is improved.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims

1. The utility model provides a high-accuracy automatic calibration mould which characterized in that: comprises a sprue plate (1), a belleville spring (6) and a fixed template (3); the die is characterized in that the sprue plate (1) is connected with the movable die plate (2) through equal-height bolts (5), the belleville springs (6) are located on two sides of the equal-height bolts (5), the belleville springs (6) are located in a lower square groove of the sprue plate (1), the movable die plate (2) is ejected out after the die of the die is opened by the belleville springs (6), a gap is formed between the movable die plate (2) and the sprue plate (1), square wedge blocks (7) are arranged on the fixed die plate (3), and the bottom ends of the square wedge blocks (7) are connected with the supporting plate (4).

2. A high precision self-calibrating die as claimed in claim 1, wherein: the equal-height bolts (5) are positioned in a special-shaped groove (8) on the sprue plate (1), and the gap between the upper end surface of the special-shaped groove (8) and the top end of the equal-height bolts (5) is 0.1 mm.

3. A high precision self-calibrating die as claimed in claim 1, wherein: the gap between the movable mould plate (2) and the sprue plate (1) is set to be 0.1 mm.

4. A high precision self-calibrating die as claimed in claim 1, wherein: the number of the square wedges (7) is four, the square wedges (7) are positioned in the diagonal direction of the fixed template (3), and the shapes and the sizes of the square wedges are the same on the same diagonal line.

5. A high precision self-calibrating die as claimed in claim 1, wherein: the square wedge blocks (7) on the same horizontal line on the fixed template (3) are different in shape and size.

6. A high precision self-calibrating die as claimed in claim 5, wherein: the surface shapes of two sides of the square wedge block (7) in the length direction are both trapezoidal, and a gap is formed between two sides of the bottom end of the square wedge block (7) in the length direction and a placing groove in the fixed template (3).