KR101730390B1 - Horizontal sensing device for mold base - Google Patents

Abstract

Disclosed is a horizontal sensing device for a large mold base. The disclosed horizontal sensing device for a large mold base comprises: a plurality of upper disk side balance elements arranged at different heights; a plurality of lower disk side balance elements arranged at different heights; a balance sensor member at one side for determining whether the sensed upper disk side balance element and the lower disk side balance element correspond to elements of a predetermined balanced position; a balance sensor member at the other side for determining whether the sensed upper disk side balance element and the lower disk side balance element correspond to elements of a predetermined balance position; an infrared ray emitting member capable of emitting infrared rays; and an infrared ray receiving member for sensing the flatness of the mounting surface of the mold base. According to the disclosed horizontal sensing apparatus for a large mold base, it is possible to notify an operator of horizontal misalignment if horizontal misalignment with respect to the mold base occurs as time elapses or an error between a predetermined horizontal value and an actual horizontal value occurs. Also, the operator can immediately confirm horizontal alignment of the mold base.

Description

Technical Field [0001] The present invention relates to a horizontal sensing device for a mold base,

The present invention relates to a horizontal sensing device for a large mold base.

Molds of articles used for mass production of shaped articles such as plastic containers and glasses frames are called molds.

There are injection molds, press molds, vacuum molds, die casting molds, and so on, and these molds are fixed to mold base molds.

Here, the mold mold base refers to a basic frame in which a mold, which is a mold for forming a product, can be fixed inside, and is a frame for producing a molded product such as thermoplastic resin or thermosetting resin.

Further, the mold mold base is made of a metal material which does not melt even at a high temperature by performing work at a high temperature.

In order to apply the injection mold to the mold mold base, the cavity, which is the fixed side mold of the mold, is fixed to the lower plate of the mold mold base, the core which is the movable side mold plate of the mold is fixed to the upper plate of the mold mold base, And the article is produced in such a manner that the fixed upper plate is lifted up and down by the guide pin.

Examples of such mold mold bases are the following patent documents.

However, according to the conventional mold mold base including the following patent documents, when the upper plate on which the core is fixed and the lower plate on which the cavity is fixed are engaged with each other to form the fitting surface, As it passes by, the motion of the Senate, or the House, is slightly twisted to generate defective products.

In addition, the balance on the left side of the lower fixing plate of the mold base may not be properly aligned, the time may be hardened, or the product may be distorted due to external force, resulting in defective products.

As described above, there is no problem even if slight deviation occurs in the case of a mold mold base having a small balance between the warpage of the upper plate and the lower plate and the lower plate. However, in the case of a large mold mold base, .

Registered Utility Model No. 20-0154804, Registration Date: May 24, 1999, Design Name: Missing Loading Detection Device of Mold Die Open No. 10-2014-0034427, Disclosure Date: Apr. 20, 2014. Title of Invention: Mold Base of Injection Mold Registration Utility Model No. 20-0417111, Registration Date: May 17, 2006, Title of Design: Combination of guide bushing and guide pin of mold base for precision mold

The present invention can notify the operator that the horizontal position does not match the horizontal position of the mold mold base or an error between the predetermined horizontal position and the actual horizontal position with the lapse of time, And it is an object of the present invention to provide a horizontal sensing device for a large mold base which can be confirmed.

A horizontal sensing device for a large mold base according to an aspect of the present invention includes a top plate to which a core is fixed, a bottom plate to which a cavity is fixed, and a mold mold base including a top plate for supporting the top plate and the top plate, A plurality of upper plate side balance elements spaced at predetermined intervals on both sides of the upper plate and arranged at different heights so as to be perpendicular to a mounting surface of the mold base; A plurality of lower plate-side balancing elements disposed at opposite sides of the lower plate at predetermined intervals so as to be perpendicular to an installation surface of the mold base; One of a plurality of the upper plate side balance elements disposed on one side of each of the upper plate and the lower plate and one of a plurality of the lower plate side balance elements is sensed and the sensed upper plate side balance element and the lower plate side balance A one-side balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position; Wherein one of the plurality of upper plate-side balance elements disposed on the other side of the upper plate and the lower plate and one of the plurality of lower plate-side balance elements is sensed, and the sensed upper plate balance element and the lower plate- A second balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position; An infrared ray emitting member installed on a predetermined height of the one balance sensor member and capable of emitting infrared rays; And a balance sensor member provided on the balance sensor member at the same height as the height at which the infrared light emitting member is mounted on the one balance sensor member and receiving infrared rays emitted from the infrared light emitting member, And an infrared ray receiving member for detecting the infrared ray.

According to one aspect of the present invention, there is provided a horizontal sensing apparatus for a large mold base, including a top plate to which a core is fixed, a bottom plate to which a cavity is fixed, a mold mold base including a top plate for supporting the top plate, A plurality of top plate side balance elements spaced apart from each other at both sides of the top plate and arranged at different heights so as to be perpendicular to a mounting surface of the mold base; A plurality of lower plate-side balancing elements disposed at opposite sides of the lower plate at predetermined intervals so as to be perpendicular to an installation surface of the mold base; One of a plurality of the upper plate side balance elements disposed on one side of each of the upper plate and the lower plate and one of a plurality of the lower plate side balance elements is sensed and the sensed upper plate side balance element and the lower plate side balance A one-side balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position; Wherein one of the plurality of upper plate-side balance elements disposed on the other side of the upper plate and the lower plate and one of the plurality of lower plate-side balance elements is sensed, and the sensed upper plate balance element and the lower plate- A second balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position; An infrared ray emitting member installed on a predetermined height of the one balance sensor member and capable of emitting infrared rays; And a balance sensor member provided on the balance sensor member at the same height as the height at which the infrared light emitting member is mounted on the one balance sensor member and receiving infrared rays emitted from the infrared light emitting member, It is possible to notify the operator that the horizontal position does not match the horizontal position of the mold mold base or an error between the predetermined horizontal value and the actual horizontal position, It is possible to confirm whether the horizontal position of the mold base is correct.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view schematically showing the structure of a mold mold base to which a horizontal sensing device for a large-size mold base according to a first embodiment of the present invention is applied.
Figure 2 is an enlarged view of A of Figure 1 in accordance with a first embodiment of the present invention;
FIG. 3 is a view showing a warp of the upper plate of the mold mold base according to the first embodiment of the present invention. FIG.
4 is a view showing a state in which the lower plate of the mold base is warped according to the first embodiment of the present invention.
5 is a cross-sectional view showing a state in which the upper plate is opened apart from the lower plate according to the first embodiment of the present invention.
6 is a view showing a state in which the balance of an installation surface according to the first embodiment of the present invention is not constant.

Hereinafter, a horizontal sensing device for a large mold base according to embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a cross-sectional view of a mold mold base to which a horizontal sensing device for a large-size mold base according to a first embodiment of the present invention is applied. FIG. 2 is a cross- And FIG. 3 is a view showing a warp of the upper plate of the mold mold base according to the first embodiment of the present invention, FIG. 4 is a view showing a state where the lower plate of the mold base is warped according to the first embodiment of the present invention FIG. 5 is a sectional view showing the upper plate according to the first embodiment of the present invention opened away from the lower plate, FIG. 6 is a view showing a state where the balance of the installation surface according to the first embodiment of the present invention is constant It is a figure that shows no appearance.

1 to 6 together, the horizontal sensing device 100 for a large mold base according to the present embodiment includes a top plate side balance device 110, a bottom plate side balance device 120, 150, the other balance sensor member 160, the infrared ray emitting member 130, and the infrared ray receiving member 140.

The mold mold base is a base frame to which a mold composed of a cavity of the fixed side mold plate and a core of the movable side mold plate is fixed and includes a top plate 10 to which the core is fixed, a lower plate 20 to which the cavity is fixed, (40) which is interposed between the lower plate (20) and the upper plate (50) to support the lower plate (20) And an upper fixing plate (30) for fixing the core of the upper plate (10).

The mold and the mold base are formed of a metal material that can withstand high temperatures because an operation for forming and manufacturing an article using the mold is performed at a high temperature.

Reference numeral 70 denotes an installation surface on which the mold base is installed, and may be a flat surface or a single phase on which the mold base can be installed.

The upper plate-side balance element 110 is disposed at a predetermined distance from both sides of the upper plate 10 so as to be perpendicular to the mounting surface 70 of the mold base, to be.

The upper plate-side balance element 110 is embedded or attached to the upper plate 10, and the upper plate-side balance element 110 is also made of a metal that can withstand high temperatures, As shown in FIG.

The lower plate side balancing device 120 is formed at a plurality of positions spaced apart from each other at both sides of the lower plate 20 by a predetermined distance so as to be perpendicular to the mounting surface 70 of the mold base Device.

The lower plate-side balancing element 120 is built in or attached to the lower plate 20, and the lower plate-side balancing element 120 is also formed of a metal that can withstand high temperatures, And may be formed of a magnet.

The one-side balance sensor member 150 includes one of a plurality of the upper plate-side balance elements 110 disposed on one side of the upper plate 10 and the lower plate 20, and a plurality of lower plate- 120 are detected and it is determined whether or not the detected upper and lower plate-side balancing elements 110, 120 match the elements of the predetermined balance positions. In this embodiment, Direction refers to the direction toward the one-side balance sensor member 150 with respect to the center of the upper plate 10 shown in FIG.

The one-side balance sensor member 150 includes a first upper plate sensor 151 that can recognize the upper plate-side balance element 110 disposed at one side, a lower plate-side balance element 120 disposed at one side, And one side body 153 formed to have a predetermined length so as to be fixed at a required position of the one side lower plate sensor 151 and the one side lower plate sensor 152. [

The one side body sensor 151 and the one side lower disk sensor 152 are disposed at positions spaced apart from a side of the mold base by a predetermined distance. The one side body sensor 151 and the one side lower disk sensor 152 are connected to the upper side balance element 110, And the lower plate-side balancer 120. The lower plate-side balancer 120 is fixed at a position where the lower plate-

The one side upper plate sensor 151 is fixed to a part of the one side body 153 having a height at which the upper side balance element 110 having magnetic properties can be recognized. For example, It is possible to recognize the above-mentioned upper plate-side balance element 110 having a magnetic property which is arranged in a range that can be used.

Here, the Hall sensor is a magnetic sensor capable of measuring the direction and strength of the magnetic field, and can recognize a magnet close to the magnetic sensor.

Reference numeral 111 denotes one side plate-side balance element part of the one side plate-side balance device 110 recognized by the one side plate-type sensor 151, and the one side plate-type sensor 151 and the top plate 10 Side balance element part 111, which is recognized by the one-side upper plate sensor 151, when the liquid crystal display device 100 is horizontal from the mounting surface 70.

If the one side of the upper plate 10 is inclined at a different slope than the horizontal, the position of the upper plate side balance element 111 on one side recognized from the one side plate sensor 151 is Can be changed.

The one-side lower disk sensor 152 is fixed to a part of the one side body 153 having a height at which the lower disk-side balancing element 120 having magnetic properties can be recognized, and is provided, for example, It is possible to recognize the lower plate-side balancing element 120 having a magnetism and arranged in a measurable range.

Reference numeral 121 denotes a lower plate-side balancing element part of the lower plate-side balancing element 120 that is recognized by the one-side lower disk sensor 152, and the one lower-side disk sensor 152 and the lower plate 20 ) Can be designated as an initial value at one side of the lower disk-side balancing element portion 121 recognized by the lower unilateral disk sensor 152 when it is horizontal from the mounting surface 70.

If one side of the lower plate 20 is inclined at a different slope than the horizontal, the position of the lower plate-side balancing element 121 of one side recognized from the lower-side lower disk sensor 152 Can be changed.

The other balance sensor member 160 can recognize the balance between the upper plate balance element 110 and the lower plate balance element 120 disposed on the other side. Refers to the direction toward the other balance sensor member 160 with respect to the center of the upper plate 10 shown in FIG.

The balance sensor unit 160 includes a first upper plate sensor 161 and a second lower plate balance sensor 120. The upper plate sensor 161 and the lower plate balance device 120 can detect the upper plate- And a second body 163 having a predetermined length so as to be fixed at a required position of the other upper and lower sensor plates 161 and 162.

The other side body sensor 163 is disposed at a position spaced a predetermined distance from the other side of the mold mold base and the other side plate sensor 161 and the other side lower plate sensor 162 are connected to the upper plate side balance element 110, And the lower plate-side balancer 120. The lower plate-side balancer 120 is fixed at a position where the lower plate-

The other upper plate sensor 161 is fixed to a part of the other body 163 having a height that can recognize the upper plate side balance element 110 having a magnetic property corresponding to the one upper plate sensor 151 For example, the upper side balance element 110 having a magnetic property, which is provided in a range which can be provided as a hall sensor and which can be proximate or measured, can be recognized.

Reference numeral 112 denotes the other upper plate side balance element part of the upper plate side balance element 110 recognized by the other upper plate sensor 161. The other upper plate sensor 161 and the upper plate 10 The upper surface side balance element portion 112 of the other side recognized by the other side upper plate sensor 161 can be designated as an initial value when the upper surface side is horizontal from the mounting surface 70.

When the other side of the upper plate 10 is inclined at a different slope than the horizontal direction, the position of the other upper plate side balance element portion 112 recognized by the other upper plate sensor 161 is Can be changed.

The other lower disk sensor 162 is fixed to a portion of the other body 163 having a height high enough to recognize the lower plate-side balance element 120 having a magnetic property and corresponding to the lower-side disk sensor 152 And can detect the lower plate-side balancing element 120 having a magnetic property, which is provided in a range that can be provided by, for example, a hall sensor and can be brought close to or measured.

Reference numeral 122 denotes the lower plate-side balancing element part 122 of the lower plate-side balancing element 120, which is recognized by the lower-side plate sensor 162 of the lower plate, The lower plate-side balancing element portion 122 of the other side recognized by the lower-side lower disk sensor 162 can be designated as an initial value when the disk 20 is leveled from the mounting surface 70.

If the other side of the lower plate 20 is inclined at a different slope than the horizontal position, the position of the other lower plate-side balancing element portion 122 recognized by the lower-side lower plate sensor 162 Can be changed.

When the one side upper plate sensor 151 and the other upper plate sensor 161 detect the upper plate side balance element 110 at the position where the upper plate side balance element 110 is recognized, Side balancing device 110 can be counted while discriminating the direction of the upper plate side balance element 110. The count value obtained by counting the upper plate side balance element 110, which is recognized by the one side upper plate sensor 151 and the upper side plate sensor 161, The level of the plate 10 can be determined.

3, the upper plate 10 is bent or tilted so as to be positioned on the upper side of the upper plate side balance element portion 111, which is predetermined in the state of being able to determine the level of the upper plate 10, And the position of the other upper plate side balance element part 112 is changed, the operator can be notified of the unsuitability of the upper plate 10 by the alarm function.

Here, the alarm function may be an alarm function using a buzzer, an emergency light, or another communication program.

 As shown in FIG. 5, when the upper plate 10 is lifted or raised, the upper plate 10 is lowered to the upper plate side balance member 111, It is possible to measure whether or not the corresponding positions of the element portions 112 coincide with each other. Thus, it is possible to determine whether the upper and lower sides of the upper plate 10 are balanced, while ascending or descending.

The lower plate side balance sensor 120 and the lower plate side plate sensor 162 are distinguished from each other in the vertical direction by recognizing the lower plate side balance device 120 at the position where the lower plate side balance device 120 is recognized And the counted value of the lower plate side balancer 120, which is recognized by the lower unilateral disk sensor 152 and the lower unilateral disk sensor 162, Can be determined.

4, the lower plate 20 is bent or tilted so that the lower plate-side balancing element portion 121 (the lower plate-side balancing element portion 121) And the position of the other lower plate-side balancing element portion 122 are changed, the operator can be notified of the unevenness of the lower plate 20 through the alarm function.

That is, during the operation of producing the product using the mold base, it is possible to measure the height of the upper plate 10 and the lower plate 20 at the same time.

The infrared light emitting member 130 is provided on a predetermined height of the one side balance sensor member 150 and is capable of emitting infrared rays 90. The infrared light receiving member 130 is installed on the mold base And is used to sense the flatness of the surface 70.

The infrared ray 90 emitted from the infrared ray emitting member 130 extends horizontally as shown in FIG.

 The infrared ray receiving member 140 is installed on the other balance sensor member 160 at the same height as the height of the infrared ray emitting member 130 on the one balance sensor member 150, And detects the flatness of the mounting surface 70 of the mold base by receiving the infrared rays 90 emitted from the mold base.

1, the mounting surface 70 is flat so that the infrared ray 90 extends from the infrared ray emitting member 130 to the infrared ray receiving member 140, and the infrared ray is transmitted from the infrared ray receiving member 140 to the infrared ray receiving member 140. [ 90).

6, since the mounting surface 70 is not flat, the infrared ray emitted from the infrared ray emitting member 130 may not be balanced with the one side body 153 and the other side body 163, 90 are not received by the infrared ray receiving member 140.

If the infrared ray receiving member 140 does not receive the infrared ray 90 as described above, it is determined that the mounting surface 70 is not horizontal, and the operator can be notified of such determination as an alarm function.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the following claims And can be changed. However, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

According to the horizontal sensing apparatus for a large mold base according to an aspect of the present invention, when the horizontal position of the mold base is not matched with time or an error between a predetermined horizontal value and an actual horizontal value occurs over time, And it can be confirmed immediately that the mold base of the mold is correct. Therefore, it is highly likely to be used in the industry.

100: Horizontal sensing device for large mold base
110: The upper plate balance element
120: Lower plate side balance element
130: Infrared ray emitting member
140: Infrared ray receiving member
150: One side balance sensor member
160: balance sensor on the other side

Claims (4)

1. A mold mold base comprising a top plate to which a core is fixed, a bottom plate to which a cavity is fixed, and a top plate for supporting the top plate and the bottom plate,
A plurality of top plate side balance elements spaced apart from each other at both side portions of the upper plate and arranged at different heights so as to be perpendicular to a mounting surface of the mold base;
A plurality of lower plate-side balancing elements disposed at opposite sides of the lower plate at predetermined intervals so as to be perpendicular to an installation surface of the mold base;
One of a plurality of the upper plate side balance elements disposed on one side of each of the upper plate and the lower plate and one of a plurality of the lower plate side balance elements is sensed and the sensed upper plate side balance element and the lower plate side balance A one-side balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position;
Wherein one of the plurality of upper plate-side balance elements disposed on the other side of the upper plate and the lower plate and one of the plurality of lower plate-side balance elements is sensed, and the sensed upper plate balance element and the lower plate- A second balance sensor member for determining whether or not the element coincides with an element of a predetermined balanced position;
An infrared ray emitting member installed on a predetermined height of the one balance sensor member and capable of emitting infrared rays; And
Wherein the balance sensor member is provided on the balance sensor member at the same height as the infrared light emitting member is mounted on the one balance sensor member and receives the infrared rays emitted from the infrared light emitting member to adjust the flatness of the mounting surface of the mold base And an infrared ray receiving member for detecting the infrared ray. The method according to claim 1,
The one-way balance sensor member
A one-sided plate sensor capable of recognizing the upper plate-side balance element disposed at one side,
A one-side lower disk sensor capable of recognizing the lower disk-side balancing element disposed at one side,
Wherein the one side upper plate sensor and the one lower side plate sensor are formed to have a predetermined length so as to be fixed at desired positions. 3. The method of claim 2,
The other balance sensor member
A second upper plate sensor capable of recognizing the upper plate-side balance element disposed on the other side,
An other lower disk sensor capable of recognizing the lower plate side balance element disposed on the other side,
And a second body having a predetermined length so as to be fixed at a required position of the other upper plate sensor and the other lower plate sensor. The method of claim 3,
The one upper plate sensor and the other upper plate sensor may count the upper plate balance element at a position at which the upper plate balance element is recognized,
Wherein the one upper plate sensor and the other upper plate sensor detect the horizontal position of the upper plate using a count value obtained by counting the upper plate balance elements,
The lower plate-side balance sensor can count the lower plate-side balance element at the position where the lower plate-side balance element is recognized by the lower-side plate sensor and the lower-
Wherein the level of the lower plate is determined by using the count value obtained by counting the lower plate side balance element by the one lower side disk sensor and the lower side disk sensor.

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