KR101236694B1 - Insert apparatus - Google Patents

Abstract

PURPOSE: An insert device for coupling a metal material to a molded article is provided to prevent overheating of a narrow supporting tool by minimizing the heat transferred from the metal material to the narrow supporting tool during heating due to the multiple narrow supporting surfaces of an elastic piece narrowly supporting the inner periphery of the metal material. CONSTITUTION: An insert device for coupling a metal material(117) to a molded article comprises a coupling hole(120), a narrow supporting tool(101), a cooling hole(106), and an elastic piece(103). The coupling hole is formed on the center of a ceramic tip(114). The narrow supporting tool is inserted into the coupling hole to fix the ceramic tip on a lifting body(111). A threaded portion(105) of the narrow supporting tool is coupled to the lower part of a cooling passage(113) of the lifting body. The cooling hole is formed on the narrow supporting tool, and the cold air of the cooling passage flows into the narrow supporting tool through the cooling hole. An elastic piece is formed on the bottom of the narrow supporting tool and is divided into two parts by a center cut space(102). The inner periphery of the metal material is narrowly supported by the outer periphery of the elastic piece.

Description

Insert device for joining metals to injection moldings {Insert Apparatus}

The present invention relates to an insert device, and in particular, a metal material such as a nut is conveyed by a conveying device, and then the bottom portion of the ceramic tip is brought into contact with the upper surface of the metal material so that the metal is subjected to a vacuum passage acting as a suction passage and a vacuum passage by a vacuum pump. When water is adsorbed and the metal material adsorbed on the ceramic tip by the upward movement of the lifting body is heated to the set temperature in the high frequency coil, the lifting body is lowered and the metal is pressed into the insert hole of the injection made of synthetic resin. In the vacuum passage of the passage and the vacuum passage of the ceramic tip, the metal material is coupled to the injection molding, and the lifting body and the ceramic tip is a device for coupling the metal material to the injection molding can be returned to the original position, the coupling hole in the center of the ceramic tip To the lower part of the cooling passage of the elevating body so as to be inserted into the coupling hole to fix the ceramic tip to the elevating body. A fastening zone formed with a screw part is fastened, and a cooling hole is formed in the narrow area to allow cooling air from the cooling passage to flow into the narrow area. The lower part of the narrow area has bilateral portions formed by two cutouts in the center. The inner circumferential surface of the metal piece can be sandwiched by the outer circumferential surface of the coal pieces, and since the inner circumferential surface of the metal material is sandwiched by the elasticity of the coal pieces formed in the narrow area, very firm and stable pinching can be achieved. The inner circumferential surface of the metal can be pinched to minimize the heat transferred from the pinched metal to the pinnacle when heating by high frequency coil to prevent overheating of the pinnacle and during cooling, it is supplied to the cooling hole of the pinnacle. Cool air quickly cools the narrow strip and the ceramic tips It is possible to continue the next work easily, and it is possible to support the metal material twice by the elasticity of the narrow zone and the vacuum pressure generated in the vacuum passage of the ceramic tip, so that even if the vacuum passage of the ceramic tip is blocked, The present invention relates to an insert device that combines a metal material with an injection product, which can improve productivity by an advantage of being able to continuously operate the device and thereby extending the periodic maintenance period.

Background art is a patent application No. 10-2008-0006484 "Preparation method of inserting a metal nut using induction heating".

In the background art, a heating coil of an induction heating apparatus is placed on an insert groove of a plastic product, and the upper surface of the metal nut is moved to the inner space of the heating coil in a state where the upper surface of the metal nut is absorbed by the ceramic tip by vacuum. Operation to heat the metal nut,

When the metal nut is heated to a predetermined temperature, stopping the operation of the induction heating apparatus and lowering the ceramic tip while maintaining the adsorption state, thereby inserting the heated metal nut into the insert groove of the plastic product and inserting the metal nut into the insert groove;

After the metal nut is inserted into the plastic product, adsorption by vacuum was stopped to remove the ceramic tip from the metal nut, thereby raising the ceramic tip.

The background art is a structure in which a metal nut is adsorbed by a plurality of adsorption holes connected to a vacuum tube of a ceramic tip, and the adsorption holes are sprayed at the cutting oil or at the time of washing. When the high temperature generated in the heating coil is encountered while the cleaning solution and the like remain, the particles turn into solid particles.

As the fine particles accumulate in the adsorption holes, the phenomenon of gradually blocking the small size adsorption holes occurs.

As described above, when the adsorption holes are blocked, the vacuum is weakened, and when the vacuum is weakened, the metal nut cannot be adsorbed, thereby causing a defect.

Therefore, it was inconvenient and inconvenient to remove the ceramic tip and clean the small sized adsorption holes.

SUMMARY OF THE INVENTION An object of the present invention is to solve such conventional problems,

Since the inner circumferential surface of the metal piece is clamped by the elasticity of the coal pieces formed in the narrow zone, very firm and stable pinching can be achieved. Minimize the heat transferred from the metal material to the narrow area to prevent overheating of the narrow area. During cooling, the cooling area is rapidly cooled by the cold air supplied to the cooling hole of the narrow area. Since the next work can be continued easily and the metal part can be supported by the elasticity of the narrow area and the vacuum pressure generated in the vacuum path of the ceramic tip, the mechanical operation of the narrow area is possible even if the vacuum path of the ceramic tip is blocked. Continuous operation by means of extended period of maintenance By providing that the desired to improve productivity.

According to an aspect of the present invention,

After conveying a metal object such as a nut by a conveying device, the bottom part of the ceramic tip is brought into contact with the upper surface of the metal material to adsorb the metal material by the vacuum pressure acting as the suction passage and the vacuum passage by a vacuum pump, By heating the metal adsorbed on the ceramic tip to the set temperature in the high frequency coil, the lifting body is lowered, and the metal is pressed into the insert hole of the injection molded product made of synthetic resin.The vacuum is applied to the suction passage of the lifting body and the vacuum passage of the ceramic tip. In the device to release the metal is coupled to the injection and the lifting body and the ceramic tip can be returned to the original position in the apparatus for coupling the metal,

The coupling hole is formed in the center of the ceramic tip, and the insertion hole is inserted into the coupling hole to fasten the narrowing hole formed with a threaded portion to the lower portion of the cooling passage of the lifting body to fix the ceramic tip to the lifting body, and to form a cooling hole inside the narrowing hole. In order to allow the cold air of the cooling passage to flow into the slit zone and to allow the inner circumferential surface of the metal to be squeezed to the outer circumferential surface of the shard by the coal pieces formed bilaterally by the notch space portion at the center of the slit zone. You can achieve your purpose.

The present invention as described above has the effect that a very firm and stable pinching can be made because the inner peripheral surface of the metal is pinched by the elasticity of the coal pieces formed in the pincer.

According to the present invention, a plurality of narrow surfaces formed by the outer circumferential surface of the narrow strip can pinch the inner circumferential surface of the metal with a small area, thereby transferring heat transferred from the pinched metal material to the narrow strip during heating by the high frequency coil. Minimization has the effect of preventing overheating of the narrow area.

The present invention as described above has the effect that can be quickly cooled by the cold air supplied to the cooling hole of the narrowing zone and the ceramic tip coupled thereto by the cold air supplied to the cooling hole of the narrowing zone.

According to the present invention as described above, the metal can be supported twice by the elasticity of the narrow strip and the vacuum pressure generated in the vacuum passage of the ceramic tip, so that the continuous operation is performed by the mechanical operation of the narrow strip even if the vacuum passage of the ceramic tip is blocked. It can be used to increase the periodic repair period has the useful effect to improve the productivity.

1 is a perspective view showing the configuration of the present invention the narrowing district
Figure 2 is a bottom perspective view showing the configuration of the present invention narrow strip
3 is a view showing a state in which the present invention is coupled to the ceramic tip ceramic tip
Figure 4 is a view showing a state in which the narrowing zone of the present invention combines a metal object
Figure 5 is a view showing a state in which the metal is bonded to the present invention is a narrowing zone.
Figure 6 is a view showing a state in which the metal material bonded to the narrowing zone of the present invention is pressed in.
7 is a view showing a state in which the metal material is injected into the injection molding by the narrowing zone of the present invention.
8 is a view showing a state in which a metal object is sandwiched by the narrowing surface of the narrowing zone of the present invention.

The construction of the present invention will be described in detail with reference to the accompanying drawings.

The metal material 117, such as a nut, is transferred by the transfer device 121, and then the bottom surface of the ceramic tip 114 is brought into contact with the top surface of the metal material 117, and the suction passage 112 and the vacuum passage 115 are driven by a vacuum pump. The metal material 117 is adsorbed by the vacuum pressure acting as) and the metal material 117 adsorbed to the ceramic tip 114 is heated to a temperature set in the high frequency coil 116 by the upward movement of the lifting body 111. After lowering the elevating body 111 and pressing the metal object 117 into the insert hole 119 of the injection molding material 118 made of synthetic resin, the suction passage 112 and the ceramic tip 114 of the elevating body 111 are formed. As the vacuum is released from the vacuum passage 115, the metal 117 is coupled to the injection molding 118, and the lifting member 111 and the ceramic tip 114 are connected to the injection molding apparatus, which allows the metal to be returned to its original position. In

Coupling hole 120 formed in the central portion of the ceramic tip 114,

Inserted into the coupling hole 120 is inserted into the coupling pin 120 to secure the ceramic tip 114 to the lifting member 111, the narrowing region 101 is formed with a screw portion 105 is fastened to the lower portion of the cooling passage 113 of the lifting member 111 )Wow,

Cooling hole 106 formed in the narrow strip 111 so that the cold air of the cooling passage 113 flows into the narrow strip 101,

It is a structure provided with the coal piece 103 which bisects to both sides by the notch space part 102 of the center to the lower part of the said pincer 101, and clamps the inner peripheral surface of the metal object 117 to the outer peripheral surface.

In addition, a plurality of narrowing surfaces 104 formed as the outer circumferential surface of the coal piece 103 are further provided to sandwich the inner circumferential surface of the metal material 117 by the elasticity of the coal piece 103.

Hereinafter, the operation of the present invention will be described.

Figure 1 is a perspective view showing the configuration of the narrowing gripping zone of the present invention, Figure 2 is a bottom perspective view showing the configuration of the narrowing gripping zone of the present invention, the thread portion 105 is formed on the upper side of the narrowing grate 101 of the lifting member 111 It is possible to fasten by fixing with a screw portion formed in the lower cooling passage (113).

In addition, the coupling hole 20 of the ceramic tip 114, which radially forms a plurality of vacuum passages 115 when the narrow strip 101 is coupled to the lifting member 111, is coupled as shown in FIG. It is integrated.

In addition, the bullet piece 103 formed by dividing the lower portion of the narrow strip 101 by the cut-out space 102 is formed by cutting the four sides of the circular narrow strip 101 into the plurality of narrow surfaces 104. Are formed.

According to the present invention as described above, while the cold air is supplied to the cooling hole 106 of the narrow strip 101 through the cooling passage 113 of the lifting member 111, the narrow strip 101 is cooled and the narrow strip 101 The ceramic tip 114 which is coupled with) is also cooled.

In the state where the narrow strip 101 and the ceramic tip 114 are cooled as described above, the metal material 117 such as a nut is inserted into the insert hole 119 of the injection-molded product 118 and the lifting body (1) by the transfer device 121 ( It is conveyed on the centerline of the narrow strip 101 coupled to 111 and positioned as shown in FIG.

When the metal 117 is positioned as described above, the lifting member 111 is lowered by the signal of the control box (not shown), and the narrow strip 101 and the ceramic tips 114 coupled to the lifting member 111 are provided. Will also fall.

Then, the descending narrow strip 101 is inserted into the central hole of the metal object 117 located by the transfer device 121, as shown in FIG.

At this time, the bullet piece 103 of the narrow strip 101 is press-fitted to the center of the metal 117 in a state that is slightly open to the outside by the notch space portion 102 of the center, so that the bullet piece 103 is inward. While being allowed to insert the metal 117 while being inserted, it is possible to firmly clamp the metal 117 by the elastic force to be opened after being inserted.

In addition, in the coal piece 103, the inner circumferential surface of the metal object 117 is sandwiched by a plurality of narrow surfaces 104 formed by cutting all four sides of the circular pincer 101 as shown in FIG. You can do it.

In addition, the metal material 117 is supported by the bullet piece 103 of the pincer 101, and at the same time the upper surface of the metal material 117 comes into contact with the vacuum passage 115 of the ceramic tip 114, The cold air supplied to the cooling passage 113 is cut off and the vacuum pressure is applied to the suction passage 112 of the elevating body 111 to vacuum the vacuum passage 115 of the ceramic tip 114 so as to vacuum the metal material 117. Will be adsorbed.

Therefore, in the present invention, it is possible to support the metal 117 in double due to the elasticity of the coal pieces 103 formed in the pincer 101 and the vacuum pressure generated in the vacuum passage 115 of the ceramic tip 114. Therefore, even if the vacuum passage 115 of the ceramic tip 114 is blocked, it is possible to perform continuous operation by the mechanical operation of the pincer 101.

In addition, the vacuum pressure acting as the vacuum passage 115 has a function of detecting whether or not the metal material 117 for inserting is adsorbed on the ceramic tip 114.

As described above, when the metal object 117 is sandwiched between the pincers 101, the lifting member 111 is raised by the set position so that the metal object 117 is located at the inner center of the high frequency coil 116 as shown in FIG. 5. Once located, it will stop.

When the metal material 117 is heated by the set temperature by the high frequency coil 116, the lifting member 111 descends again while the metal material 117 held by the bullet piece 103 of the pinching strip 101 is closed. The insert hole 119 of the injection-molded product 118 is press-fitted as shown in FIG.

At this time, since the metal 117 is heated by the high frequency coil 116 at a high temperature, the metal 117 is easily inserted into the injection hole 119 of the injection molding 118 made of a synthetic resin material, and is easily inserted into the metal 117.

In addition, when the insert of the metal material 117 is completed in the injection material 118, the lifting member 111 is raised, and the narrower than the bearing force of the injection material 118 surrounding the outer circumferential surface of the metal material 117. Since the force that holds the inner circumferential surface of the metal object 117 is smaller than that of the bullet piece 103 of 101, the coal piece 103 easily exits from the metal object 117 and is transferred upward with the lifting body 111. As shown in FIG. 7, the vacuum of the suction passage 112 of the elevating body 111 and the vacuum passage 115 of the ceramic tip 114 is released and cold air flows into the cooling passage 113 again. Cooling the earth 101 waits for the next process.

101-Hyper District 102-Knotty Space Division
103-Phenom 104-Chapter
105-Thread 106-Cooler
111-elevation 112-suction passage
113-cooling passage 114-ceramic tip
115-Vacuum passage 116-High frequency coil
117-metallic 118-injection
119-insert hole 120-hole
121-Feeder

Claims (2)

The metal material 117, such as a nut, is transferred by the transfer device 121, and then the bottom surface of the ceramic tip 114 is brought into contact with the top surface of the metal material 117, and the suction passage 112 and the vacuum passage 115 are driven by a vacuum pump. The metal material 117 is adsorbed by the vacuum pressure acting as) and the metal material 117 adsorbed to the ceramic tip 114 is heated to a temperature set in the high frequency coil 116 by the upward movement of the lifting body 111. After lowering the elevating body 111 and pressing the metal object 117 into the insert hole 119 of the injection molding material 118 made of synthetic resin, the suction passage 112 and the ceramic tip 114 of the elevating body 111 are formed. As the vacuum is released from the vacuum passage 115, the metal 117 is coupled to the injection molding 118, and the lifting member 111 and the ceramic tip 114 are connected to the injection molding apparatus, which allows the metal to be returned to its original position. In
Coupling hole 120 formed in the central portion of the ceramic tip 114,
Inserted into the coupling hole 120 is inserted into the coupling pin 120 to secure the ceramic tip 114 to the lifting member 111, the narrowing region 101 is formed with a screw portion 105 is fastened to the lower portion of the cooling passage 113 of the lifting member 111 )Wow,
Cooling hole 106 formed in the narrow strip 111 so that the cold air of the cooling passage 113 flows into the narrow strip 101,
The injection molding, characterized in that the lower portion of the narrowing region 101 is bilaterally formed by the cut-out space portion 102 of the center having a bullet piece 103 for pinching the inner circumferential surface of the metal 117 to the outer circumferential surface. Insert device to combine water. The method of claim 1,
The metal is injected into the injection molding, further comprising a plurality of narrowing surfaces 104 formed as the outer circumferential surface of the coal piece 103 so as to sandwich the inner circumferential surface of the metal material 117 by the elasticity of the coal piece 103. Insert device to join.

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