Magnetic attraction structure for solving position jump of embedded iron part of mold

Abstract

The utility model discloses a magnetic attraction structure for solving the problem of position jump of an embedded iron part of a mold, which comprises a male mold core, a female mold core, an iron part, a magnet, an ejector rod and an isolation sleeve assembly, the female mold core is arranged above the male mold core in a butt joint manner, opposite surfaces of the male mold core and the female mold core are provided with product forming cavities, the iron part is embedded on the male mold core, and the magnet is arranged on the ejector rod. The upper end of the iron piece is located in the product forming cavity, a magnet is fixedly installed in the male mold core below the iron piece, material ejecting channels are formed in the male mold core below the iron piece and the magnet, ejector rods opposite to the iron piece are movably inserted in the material ejecting channels, and the outer ring of the magnet is sleeved with an isolation sleeve assembly used for separating the steel mold core from the magnet. According to the mode, a mold core steel material is separated from the magnet, dispersion of magnetic force is reduced, the magnetic force is concentrated in the direction of embedding an iron piece, the magnetic attraction force to the embedded iron piece is greatly improved, jumping is reduced, and the yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially, and it is a kind of magnetic attraction structure for solving the position bounce of mould embedded iron piece. BACKGROUND

[0002] Part of mould needs to be embedded into iron piece forming, in order to prevent the bounce of iron piece embedded into mould, usually place magnet in mould, attract embedded piece, but the internal material of mould is steel, magnetic force can be dispersed by other non-working area, cause the magnetic force of working area to weaken, function reduces, cannot play very good magnetic attraction effect, cause the position bounce of embedded piece in mould, quality is bad, Figure 1 It is product structure diagram with iron piece, Figure 2 It is product section view.

[0003] Prior art, place magnet in the lower side of embedded iron piece in mould, as shown in Figure 3 The top rod and public mould core closest to magnet will be first subjected to magnetic attraction force, magnetic attraction force is dispersed, only a small part is conducted to embedded iron piece, magnetic attraction effect is greatly discounted, if iron piece is subjected to big vibration or injection impact in forming, bounce can appear, cannot closely adhere to public mould core, cause seal glue failure.

[0004] Based on the above defects and shortcomings, it is necessary to improve the existing technology, and design a kind of magnetic attraction structure for solving the position bounce of mould embedded iron piece. INVENTION CONTENTS

[0005] The utility model mainly solves the technical problem to provide a kind of magnetic attraction structure for solving the position bounce of mould embedded iron piece, separate mould core steel material from magnet, reduce the dispersion of magnetic force, make magnetic force concentrate to the direction of embedded iron piece, greatly improve the magnetic attraction force to embedded iron piece, reduce bounce, improve yield.

[0006] To solve the above technical problems, one technical scheme of the utility model is: provide a kind of magnetic attraction structure for solving the position bounce of mould embedded iron piece, the magnetic attraction structure for solving the position bounce of mould embedded iron piece includes public mould core, female mould core, iron piece, magnet, top rod and isolating sleeve assembly, the female mould core is connected at the top of the public mould core, the opposite surface of public mould core and female mould core is provided with product forming cavity, the iron piece is embedded on the public mould core, and the upper end of the iron piece is located in the product forming cavity, the magnet is fixedly installed in the public mould core below the iron piece, the top rod is movably inserted in the material lifting channel, and the top rod is opposite to the iron piece, the isolating sleeve assembly for separating steel material mould core from magnet is sleeved on the outer ring of the magnet.

[0007] Preferably, the isolating sleeve assembly is split type, the isolating sleeve comprises an isolating sleeve body and an isolating sleeve cap, the isolating sleeve body is fixed into the male die core, the isolating sleeve body is provided with a mounting space for accommodating the magnet, the isolating sleeve cap is arranged on the isolating sleeve body, and the upper surface of the isolating sleeve cap is aligned with the lower bottom surface of the iron piece.

[0008] Preferably, the isolating sleeve assembly is made of diamagnetic material.

[0009] Preferably, the isolating sleeve assembly is made of copper material.

[0010] Preferably, the male die core is provided with a stepped hole for mounting the isolating sleeve assembly, the isolating sleeve cap and the isolating sleeve body with the magnet are sequentially arranged in the stepped hole, the isolating sleeve cap abuts against the bottom of the stepped hole, the male die core is provided with a stopper below the isolating sleeve body, and the stopper is quickly locked to the male die core by screws.

[0011] Compared with the prior art, the isolating sleeve assembly has the following beneficial effects:

[0012] The copper isolating sleeve assembly is arranged outside the magnet, the steel material of the die core and the magnet are isolated by using the characteristics of different materials, the dispersion of the magnetic force is reduced, the magnetic force is concentrated in the direction of the embedded iron piece, the magnetic attraction force to the embedded iron piece is greatly improved, the jumping is reduced, and the yield is improved.

[0013] The isolating sleeve assembly is split into upper and lower parts, and the magnet can be conveniently mounted. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a product with an iron piece.

[0015] Figure 2 It is a partial sectional view of the product.

[0016] Figure 3 It is a structural schematic view of a prior art for solving the position jumping of the embedded iron piece of the mold.

[0017] Figure 4 It is a schematic view of a magnetic attraction structure for solving the position jumping of the embedded iron piece of the mold.

[0018] Figure 5 It is a partial sectional view of the magnetic attraction structure for solving the position jumping of the embedded iron piece of the mold.

[0019] In the drawings, 1 is a male die core, 2 is a female die core, 3 is an iron piece, 4 is a magnet, 5 is a ejector rod, 6 is an isolating sleeve assembly, 61 is an isolating sleeve body, 62 is an isolating sleeve cap, and 7 is a stopper. DETAILED DESCRIPTION

[0020] The advantages and features of the utility model can be more easily understood by the person skilled in the art by the preferred embodiments of the utility model in combination with the drawings, so that the protection scope of the utility model is defined more clearly and explicitly.

[0021] Please refer to Figure 4 and Figure 5 The utility model embodiment includes:

[0022] A magnetic attraction structure for solving position jumping of pre-embedded iron parts of a mold, comprising a male mold core 1, a female mold core 2, an iron part 3, a magnet 4, a ejector rod 5, a isolation sleeve assembly 6 and a stopper 7, the female mold core 2 is butted on the top of the male mold core 1, the opposite surfaces of the male mold core 1 and the female mold core 2 are provided with product forming cavities, the iron part 3 is pre-embedded on the male mold core 1, the upper end of the iron part 3 is located in the product forming cavity, the magnet 4 is fixedly installed in the male mold core 1 below the iron part 3, a material ejection channel is formed on the male mold core 1 and the magnet 4 below the iron part 3, the ejector rod 5 opposite to the iron part 3 is movably inserted in the material ejection channel, the isolation sleeve assembly 6 for separating the steel material mold core from the magnet 4 is sleeved on the outer ring of the magnet 4.

[0023] The isolation sleeve assembly 6 is split type, in order to facilitate the installation of the magnet 4, the isolation sleeve 6 includes an isolation sleeve main body 61 and an isolation sleeve cap 62, the isolation sleeve main body 61 is fixed into the male mold core 1, a magnet installation space is formed on the isolation sleeve main body 61, the isolation sleeve cap 62 is placed on the isolation sleeve main body 61, the upper surface of the isolation sleeve cap 62 is aligned with the lower bottom surface of the iron part 3, at this time the isolation sleeve assembly 6 separates the magnet 4 from the male mold core 1, by the diamagnetic property of the isolation sleeve assembly 6, the magnetic attraction force will not be conducted to the male mold core 1, most of the magnetic attraction force is conducted to the ejector rod 5, the iron part 3 to be embedded is attracted by the ejector rod 5, so that the iron part 3 is tightly attached to the male mold core 1, and the iron part 3 and the male mold core 1 are tightly attached in the glue sealing area.

[0024] The isolation sleeve assembly 6 is made of diamagnetic material, and the isolation sleeve assembly 6 is made of copper material.

[0025] A stepped hole for installing the isolation sleeve assembly 6 is formed on the male mold core 1, the isolation sleeve cap 62 and the isolation sleeve main body 61 with the magnet 4 are sequentially installed at the stepped hole, the isolation sleeve cap 62 abuts against the bottom of the stepped hole, the stopper 7 is embedded on the male mold core 1 below the isolation sleeve main body 61, and the stopper 7 is quickly locked to the male mold core 1 by screws.

[0026] The magnetic attraction structure for solving position jumping of pre-embedded iron parts of a mold utilizes the characteristics of different materials, adds a copper isolation sleeve assembly around the magnet, separates the mold core steel material from the magnet, reduces the dispersion of magnetic force, concentrates the magnetic force to the direction of the embedded iron part, greatly improves the magnetic attraction force to the embedded iron part, reduces the jumping, and improves the yield.

[0027] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A magnetic attraction structure for solving the problem of positional jumps in pre-embedded iron parts of a mold, characterized in that: The application relates to a die assembly, which comprises a male die, a female die, iron pieces, a magnet, a top rod and a spacer sleeve assembly, the female die is arranged on the male die in a butt joint mode, product forming cavities are arranged on opposite surfaces of the male die and the female die, the iron pieces are embedded on the male die, the upper end of the iron pieces is located in the product forming cavities, the magnet is fixedly installed in the male die below the iron pieces, a top material channel is formed on the male die below the iron pieces and the magnet, the top rod which is opposite to the iron pieces is movably inserted into the top material channel, and the spacer sleeve assembly is sleeved on the outer ring of the magnet and used for separating the steel die from the magnet.

2. The magnetic attraction structure for solving the position jump of the embedded iron piece of the mold according to claim 1, characterized in that: The spacer sleeve assembly is split type, the spacer sleeve comprises a spacer sleeve main body and a spacer sleeve cap, the spacer sleeve main body is fixed into the male die, an installation space for containing the magnet is formed on the spacer sleeve main body, the spacer sleeve cap is placed on the spacer sleeve main body, and the upper surface of the spacer sleeve cap is aligned with the lower bottom surface of the iron pieces.

3. The magnetic attraction structure for solving the position jump of the embedded iron piece of the mold according to claim 1, characterized in that: The spacer sleeve assembly is made of diamagnetic material.

4. The magnetic attraction structure for solving the position jump of the embedded iron piece of the mold according to claim 3, characterized in that: The spacer sleeve assembly is made of copper material.

5. The magnetic attraction structure for solving the position jump of the embedded iron piece of the mold according to claim 1, characterized in that: A stepped hole for installing the spacer sleeve assembly is formed on the male die, the spacer sleeve cap and the spacer sleeve main body with the magnet are sequentially installed at the stepped hole, the spacer sleeve cap is abutted against the bottom of the stepped hole, the stopper is embedded on the male die below the spacer sleeve main body, and the stopper is quickly locked to the male die through screws.

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