KR200373597Y1 - Auto-insertion apparatus of insert - Google Patents

Abstract

The present invention relates to an automatic insert device for inserts, and it is possible to solve the difficulty of work by allowing the insertion of the insert of the small screw, the position movement by the insert pocket, and the insertion of the insert into the mold by the robot. The purpose is to make it. The present invention configured for this purpose is to insert and align the inserts aligned by the parts feeder assembly 110 and the parts feeder assembly 110 to adjust the orientation and posture of the insert (small screw) loaded therein through the vibration. Pocket unit 120 for suction transfer to be seated, insert guide means 130 for guiding the inserts aligned on the part feeder assembly 110 to the nozzle of the pocket unit 120 when vacuum pressure is generated, the pocket unit 120 In the front and rear directions on the pocket unit up and down conveying means 140 for linearly moving the upper and lower three stages from the lower portion to the internal position at which the injection molding of the mold 14 is made, and the two support frames 152 and 152a provided at regular intervals. Is installed is made of a configuration including the X-axis robot 150 to linearly move the pocket unit up and down transfer means 140 back and forth.

Description

Insert auto-insertion apparatus {Auto-insertion apparatus of insert}

The present invention relates to an insert automatic inserting device, and more particularly, an insert which enables injection molding of a molding by automatically inserting a small screw into the mold during injection molding of a molding that forms a case of a slimmer compact apparatus. It relates to an automatic insertion device.

In general, insert refers to a small screw used when assembling a molding, which is a case of a slimmer device such as a mobile phone, a notebook, a game machine, a PDA, and a watch. In general, in the case molding of a small device, a method of inserting and inserting an insert into a mold during injection molding of a molding is mainly used, not a post-pressure method of inserting an insert after injection molding. At this time, the insert automatic inserting device in the present invention is a device that is applied to injection molding a compact slim mobile phone case, such as a folding or slide type.

As described above, the insert molding method of inserting and inserting an insert into a mold during injection molding of a mobile phone case is divided into manual and automatic. At this time, in the case of manual operation, the operator always stays next to the injection molding machine and inserts the inserts one by one into the mold and then operates the injection molding machine to mold the mold. In the case of automatic, the insert automatic inserting device (robot) The insert is inserted into the mold and molded.

However, in the case of manual insert molding as described above, there is a inconvenience and waste of manpower that the operator must always stay next to the injection molding machine, and the worker picks the insert by hand one by one Difficult to insert work, such as inserting, there is a problem that the work efficiency is lowered and the yield is lowered.

On the other hand, in the case of insert molding method, a general insert automatic inserting device (robot) also has a configuration in which an operator positions one insert one by one in the insert pocket of the insert automatic inserting device (robot). There is a problem that is not made.

Therefore, in the case of the conventional insert automatic inserting device as described above, there is also inconvenience in that the operator has to stay permanently next to the injection molding machine, and there is a waste of manpower, and it is difficult to work with placing the small screw insert in the insert pocket. Accordingly, there is a problem that the work efficiency is lowered and the yield is lowered.

The present invention has been made to solve the above-mentioned problems of the prior art, the position alignment of the small screw insert, the position movement by the insert pocket and the insertion of the insert into the mold by the robot can be performed automatically It is an object of the present invention to provide an insert automatic insertion device to solve the difficulty.

Another object of the present invention is to reduce the waste of manpower due to work by aligning the insert of the small screw insert, position movement by the insert pocket, and inserting the insert into the mold by the robot. .

In addition, another object of the present invention is to improve the production efficiency by improving the work efficiency by allowing the position alignment of the insert of the small screw, the position movement by the insert pocket and the insertion of the insert into the mold by the robot can be fully automatic To make it possible.

1 is a side view showing an injection molding machine including an insert automatic insertion apparatus according to the present invention.

Figure 2 is a side view showing the insert automatic insertion device according to the present invention.

Figure 3 is a plan view showing an insert automatic insertion apparatus according to the present invention.

Figure 4 is a rear view showing the insert automatic insertion device according to the present invention.

Figure 5 is a side view showing a pocket unit of the insert automatic insertion apparatus according to the present invention.

Figure 6 is a rear view showing the vacuum suction of the insert by the pocket unit of the insert automatic insertion apparatus according to the present invention.

Figure 7 is a plan view showing the part feeder of the insert automatic insertion apparatus according to the present invention.

Figure 8 is a side view showing the part feeder of the insert automatic insertion apparatus according to the present invention.

Figure 9 is a rear view showing the part feeder of the insert automatic insertion apparatus according to the present invention.

10 is a flow chart showing the operation of the insert automatic insertion apparatus according to the present invention.

[Description of Symbols for Main Parts of Drawing]

100. Automatic insert insert 110. Parts feeder assembly

112. Parts Feeder 114. Vibrator

116. Chute Plate 118. Air Cylinder

120. Pocket Unit 122. Nozzle Plate

124. Nozzle 126. Coupling

130. Insert guide means 132. Insert guide plate

134. Insert Guide

140. Upper and lower conveying means of the pocket unit 142. Robot base

144. First Stage Cylinder 146. Second Stage Cylinder

148.Y-axis robot 150.X-axis robot

The present invention configured to achieve the above object is as follows. That is, the insert automatic inserting apparatus according to the present invention is configured in an injection molding machine for extruding softened resin into two molds to injection molded a certain type of molding, and inserts for inserting the insert to be molded into the molding into the mold automatically. In the automatic inserting device, the insert automatic inserting device is installed on one side of the body frame of the injection molding machine, and the part feeder assembly which aligns the orientation and posture of the insert while moving the insert loaded therein upward in the spiral direction through vibration. ; A pocket unit configured to suck and transfer the inserts aligned by the parts feeder assembly through a vacuum pressure so as to be seated and rotated vertically by an air cylinder; Insert guide means for guiding the inserts aligned on the part feeder assembly to the nozzle of the pocket unit when a vacuum pressure of the pocket unit is generated; A pocket unit vertically moving means for linearly moving the pocket unit up and down in three stages from a lower portion to an internal position at which injection molding of the mold is performed; And an X-axis robot that is installed in the front-rear direction on two support frames installed at predetermined intervals before and after one side of the body frame, and linearly moves the pocket unit up and down transfer means back and forth.

In the configuration of the present invention as described above, the parts feeder assembly is installed on one side of the body frame to load inserts (small nuts) therein, but the number of insert guide grooves of the spiral form upward spiral formed in the same direction; A vibrator installed at the lower part of the part feeder to move the insert inside the part feeder upward along the insert groove through vibration by the application of power; A chute plate disposed transversely at the tip of the part feeder, the insert plate being aligned with the insert fed to the part feeder tip; And an air cylinder including a piston installed at one side of the chute plate and aligning the insert positioned to one side of the chute plate in the direction of the insert guide means.

On the other hand, the pocket unit of the above-described configuration is a nozzle plate configured to be linearly moved up and down on the front side of the pocket unit vertical transfer means; A nozzle installed and fixed to the nozzle plate to seat the insert through its respective tip; And a coupling installed at one side of the nozzle plate to connect a vacuum pump for generating a vacuum pressure with each nozzle.

In addition, the insert guide means in the configuration according to the present invention is installed in a horizontal direction on one side of the front support frame, but insert guide plate formed with a plurality of insert discharge holes corresponding to the nozzle position of the pocket unit; And a plurality of insert guide tubes connected to the top of each of the insert discharge holes of the insert guide plate from the chute plate on the insert side, which are aligned by the air cylinder, to guide the insert by vacuum pressure.

And, the pocket unit up and down conveying means is a robot base which is coupled to the X axis robot to be linearly movable back and forth; A first stage cylinder which is fixed by the cylinder base on the robot base and raises the pocket unit by one stage through the first stage piston which is fixedly moved in and out by a predetermined height; A second stage cylinder which is connected to the first stage piston of the first stage cylinder and raises the pocket unit two stages through the second stage piston which is vertically moved in and out; And a Y-axis robot that raises a three-stage pocket unit coupled to the second stage piston of the second stage cylinder through a robot bracket so as to be linearly movable up and down on one side thereof.

Hereinafter, the insert automatic insertion apparatus according to a preferred embodiment of the present invention will be described in detail.

1 is a side view showing an injection molding machine including an insert automatic insertion apparatus according to the present invention, Figure 2 is a side view showing an insert automatic insertion apparatus according to the present invention, Figure 3 is a plan view showing an insert automatic insertion apparatus according to the present invention, Fig. 4 is a rear view showing the insert automatic insertion apparatus according to the present invention, Figure 5 is a side view showing a pocket unit of the insert automatic insertion apparatus according to the present invention, Figure 6 is an insert by the pocket unit of the insert automatic insertion apparatus according to the present invention 7 is a plan view showing the part feeder of the insert automatic insertion apparatus according to the present invention, FIG. 8 is a side view showing the part feeder of the insert automatic insertion apparatus according to the present invention, and FIG. The rear view showing the part feeder of the insert automatic insertion device according to the present invention.

First, the insert automatic inserting device according to the present invention moves the insert aligned by the parts feeder assembly to the pocket unit through vacuum suction, and then places it on the pocket unit. By moving the unit, injection molding can be performed with the insert inserted in the molding. That is, the insert automatic insertion device according to the present invention is a device for automatically inserting the insert into the mold through the robot system. As such, the insert is automatically inserted into the mold as follows.

As shown in Figures 1 to 9, the insert automatic inserting apparatus 100 according to the present invention is a part feeder assembly 110, the parts to align the orientation and posture of the insert (small screw) loaded therein through vibration Pocket unit 120 for suction transfer of the alignment arranged by the feeder assembly 110 through the vacuum pressure to be seated, the insert aligned on the part feeder assembly 110 when the vacuum pressure is generated nozzles of the pocket unit 120 The insert guide means 130, which guides the guide unit 130, the pocket unit up and down conveying means 140 for moving the pocket unit 120 straight up and down three stages from the bottom to the internal position where the injection molding of the mold 14 is made and a predetermined interval before and after It is composed of a configuration including an X-axis robot 150 is installed in the front and rear direction on the two support frames (152, 152a) installed to move the pocket unit vertical transfer means 140 back and forth linearly.

Insert automatic inserting apparatus 100 according to the present invention configured as described above uniformly aligns the insert through the structure and vibration of the parts feeder assembly 110, and then insert the pocket unit 120 with the insert guide means 130 In the positioned state, the inserts aligned by vacuum pressure are suction-moved to the pocket unit 120 to be seated. In this state, after moving the pocket unit 120 upward through the X-axis robot 150 and the pocket unit up and down transfer means 140 to insert the insert into the mold 14, the X-axis robot 150 and the pocket The upper and lower transfer means 140 is moved in the reverse direction to prepare for the next process.

As described above, after inserting the insert positioned in the pocket unit 120 into the mold 14, when the pocket unit 120 moves to the original position, injection molding by the two molds 14 is performed. At this time, the molding is performed with an insert inserted into the molded article injection-molded by the injection molding machine 10. Detailed operation of the insert automatic insertion device 100 according to the present invention will be described later.

Referring to the components forming the insert automatic insertion device 100 according to the present invention in more detail as follows. First, as shown in FIGS. 7 to 9, the parts feeder assembly 110 is used to uniformly align the orientation and posture of the insert. The parts feeder assembly 110 may be a body frame of the injection molding machine 10. 10) It is installed on one side, and the insert loaded inside is moved upward in the helical direction through vibration, and the insert is aligned with the orientation.

On the other hand, as described above, the part feeder assembly 110 for uniformly aligning the orientation and posture of the insert is composed of a plurality of insert guide grooves (112a) of the spiral form in the same direction but inside the insert (small nut) ) Vibrator 114 to vibrate the part feeder 112 by the application of the power supply, the internal insert is moved upward along the insert groove (112a) while the direction and posture of the part feeder (112) is loaded. ), The chute plate 116 and the insert positioned at one side of the chute plate 116 are aligned in the direction of the insert guide means 130. Consisting of an air cylinder 118 including a piston 118a.

The operation of the parts feeder assembly 110 configured as described above vibrates the parts feeder 112 through the vibrator 114 by the application of power in the state where the insert is loaded in the parts feeder 112, thereby causing the parts feeder ( The insert loaded inside of 112) moves upward along the insert guide groove according to the vibration so that its orientation and posture can be set. At this time, the inserts having their orientations and postures are uniformly aligned on the chute plate 116 formed at the tip of the part feeder 112, and the inserts aligned on the chute plate 116 are driven by the air cylinder 118. By moving the piston (118a) of the insert guide means 130 is aligned with the other side of the chute plate 116, the first entry.

In the configuration of the part feeder assembly 110, the part feeder 112 loads the insert therein to adjust the direction and posture of the insert. The part feeder 112 is the body frame 12 of the injection molding machine 10. It is installed on one side is formed an inner space for loading the insert therein, the inner space is formed in the spiral shape of the insert guide groove 112a for guiding the insert to hold its orientation and posture. At this time, a plurality of insert guide groove (112a) is formed in the same direction.

In the configuration of the part feeder assembly 110, the vibrator 114 vibrates the part feeder 112 to move the insert loaded inside the part feeder 112 upward through the insert guide groove 112a, and its orientation and posture. The vibrator 114 is installed and fixed on the body frame 12 under the part feeder 112 to vibrate the insert guide groove 112a by vibrating the part feeder 112 through the application of power. As the insert moves upwards, its orientation and posture are established.

In the configuration of the part feeder assembly 110, the chute plate 116 is moved along the insert guide groove 112a to the upper end by the vibration of the vibrator 114, while the insert is aligned with the orientation of the insert. The chute plate 116 is installed at the tip of the insert guide groove 112a of the part feeder 112 in left and right transverse directions so that the insert transferred to the tip of the part feeder 112 is aligned.

In the configuration of the part feeder assembly 110 as described above, the insert that is aligned and moved while being aligned with the direction and the posture along the insert guide groove 112a is moved to the chute plate 116 because it is continuously moved on the insert guide groove 112a. The insert to be aligned is moved onto the chute plate 116 from the insert located at the top end to be aligned.

In the configuration of the part feeder assembly 110, the air cylinder 118 is positioned in the direction and posture along the insert guide groove 112a, and the insert aligned with the beginning of the chute plate 116 is inserted into the insert guide means 130. The air cylinder 118 is installed on one side of the chute plate 116 and moves to align the insert positioned in one side of the chute plate 116 in the direction of the insert guide means 130. It consists of a configuration including.

The pocket unit 120 according to the present invention transfers the inserts aligned with the chute plate 116 of the parts feeder assembly 110 to the nozzles 124 through vacuum suction so as to be seated on each nozzle 124. The pocket unit 120 sucks the insert located on the chute plate 116 of the insert guide means 130 through the vacuum pressure of the insert guide means 130 and the vacuum pump (not shown), respectively. To be seated on the nozzle 124. At this time, the pocket unit 120 is configured to rotate in a predetermined range up and down by an air cylinder (not shown).

As described above, the pocket unit 120 has a nozzle plate 122 and a nozzle plate configured to be linearly moved up and down on the front side of the pocket unit vertical transfer means 140 as shown in FIGS. 5 and 6. A vacuum pump installed at one side of the nozzle 124 and the nozzle plate 122 for mounting and fixing the inserts which are sucked through the respective tips, and generating the vacuum pressure (122). (Not shown) for the configuration of a coupling 126.

In the configuration of the pocket unit 120 configured as described above, the nozzle plate 122 maintains and fixes the configuration in which the nozzles 124 are arranged, and the nozzle 124 is the position of the insert inserted into the mold 14. It is composed of a large number of arrangements. The pocket unit 120 configured as described above has a vacuum suction by the vacuum pump in the state where the nozzle 124 is inserted into the insert discharge hole 132a formed on the insert guide plate 132 of the insert guide means 130 described later. If made, the insert located on the chute plate 116 of the insert guide means 130 is guided through the insert guide means 130 and seated on the nozzle 124.

Insert guide means 130 according to the present invention is for guiding the inserts aligned on the chute plate 116 to the nozzle 124 of the pocket unit 120 during vacuum suction of the pocket unit 120, this insert guide The means 130 is installed in a horizontal direction on one side of the front support frame 152, the insert guide plate 132 is formed with a plurality of insert discharge holes (132a) corresponding to the position of the nozzle 124 of the pocket unit 120 And a plurality of guides connected to the top of each of the insert discharge holes 132a of the insert guide plate 132 from the chute plate 116 on the insert side, which is aligned by the air cylinder 118, to guide the insert by vacuum pressure. It consists of an insert guide tube 134.

Insert outlet holes formed on the insert guide plate 132 by moving the pocket unit 120 upward through the insert guide plate 132 lower side of the insert guide means 130 configured as described above After insertion into the corresponding positions, the vacuum suction through the vacuum pump causes the insert aligned on the chute plate 116 where the tip of the insert guide tube 134 of the insert guide means 130 is positioned. The vacuum is sucked through the insert guide tube 134 and is respectively seated in the nozzle 124 of the pocket unit 120 inserted into the insert discharge hole 132a.

As described above, the insert guide means 130 allows the vacuum suction to occur through the insert guide tube 134 during the vacuum suction by the vacuum pump, as well as suction into the insert guide tube 134 by the vacuum suction. The insert to be transported serves to be seated in the nozzle 124 of the pocket unit 120 without deviating.

The pocket unit up and down conveying means 140 according to the present invention is for conveying the pocket unit 120 up and down, the pocket unit up and down conveying means 140 is the pocket unit 120 from the bottom of the molding of the mold 14 The pocket unit 120 is moved up and down by three steps up to an internal position at which the insert is inserted into the mold 14.

The pocket unit vertical transfer means 140 which acts as described above is provided on the cylinder base 144b on the robot base 142 and the robot base 142 which are linearly slidably coupled to the X-axis robot 150. The first stage piston 144a of the first stage cylinder 144 and the first stage cylinder 144 of the first stage cylinder 144 that are fixed by the first stage piston 144a through the first stage piston 144a, which is fixedly moved in and out up and down by a predetermined height. The second stage piston 146 and the second stage piston 146 of the second stage cylinder 146 and the second stage cylinder 146 which raise the pocket unit 120 two times through the second stage piston 146a It is made of a configuration of the Y-axis robot 148 to raise the three-stage pocket unit 120 coupled to the 146a) through the robot bracket 148a so as to be movable linearly up and down on one side thereof.

The pocket unit up and down conveying means 140 configured as described above, when the first stage piston 144a is discharged upward by the driving of the first stage cylinder 144, the second stage cylinder 146 is raised to a certain height. When the second stage piston 146a is emitted upward by the driving of the second stage cylinder 146, the Y-axis robot 148 connected thereto is raised by a certain height. In this state, the Y-axis robot 148 is driven. When the pocket unit 120 is raised to the internal position of the mold (14).

Of course, after inserting the insert seated on the nozzle 124 of the pocket unit 120 into the mold 14, the process of transporting the pocket unit 120 downward is performed in the reverse order of the upward upward process. do. That is, after the pocket unit 120 is transferred downward through the driving of the Y-axis robot 148, the first-stage cylinder 144 is operated by lowering the Y-axis robot 148 by operating the second stage cylinder 146. When the second stage cylinder 146 is lowered through the driving of the pocket unit 120, the pocket unit 120 is returned to the lower position.

The X-axis robot 150 of the present invention is for sliding a predetermined length of the entire pocket unit up and down transfer means 140, the X-axis robot 150 is installed at one side of the body frame 120 at predetermined intervals before and after It is installed in the front-rear direction on both support frames 152 and 152a to linearly move the pocket unit up and down conveying means 140 back and forth. At this time, the pocket unit up and down transfer means 140 is slidably connected back and forth to the X-axis robot 150 through the robot base 142.

10 is an operation flowchart of the insert automatic insertion apparatus according to the present invention.

The operation of the insert automatic insertion device 100 according to the present invention configured as described above is as follows. First, as shown in FIG. 10, the initial operation of the insert automatic insertion device 100 is in a state where the X-axis robot 150 and the pocket unit 120 are positioned at the origin (S100). At this time, the pocket unit 120 is positioned in a direction of 180 degrees in which the direction of the nozzle 124 is toward the front side.

In the state where the X-axis robot 150 and the pocket unit 120 are the origin, the pocket unit 120 is rotated upward by 90 degrees (S110). At this time, the pocket unit 120 is located under the insert guide plate 132 of the insert guide means 130.

Each of the nozzles 124 of the pocket unit 120 is inserted into the insert discharge hole 132a of the insert guide plate 132 through the operation of the Y-axis robot 148 while the pocket unit 120 is rotated upward by 90 degrees. To be inserted (S120). At this time, the distance rising upward of the pocket unit 120 is 15mm.

After each nozzle 124 of the pocket unit 120 is inserted into the insert discharge hole 132a of the insert guide plate 132, the insert aligned on the chute plate 116 is evacuated through the vacuum pressure of the vacuum pump. The suction is inserted into the nozzle 124 of each pocket unit 120 to be seated (S130).

After inserts are seated in the nozzles 124 of the pocket units 120 through vacuum suction, the pocket units 120 are lowered through the operation of the Y-axis robot 148 (S140). At this time, the downward distance of the pocket unit 120 is 15mm.

After the pocket unit 120 is lowered, the nozzle 124 of the pocket unit 120 is rotated to face the front side (S150). At this time, the pocket unit 120 is the original origin direction.

In the above-described state, the vacuum state of the insert is checked (S155), and if the vacuum state, the X-axis robot 150 is reversed (S160). If the vacuum state is not, the insert placed on the nozzle 124 is taken out (S155-). 1) and start again from step S110. At this time, the reverse distance of the X-axis robot 150 is 150mm.

After reversing the X-axis robot 150, the first stage cylinder 144, the second stage cylinder 146, and the Y-axis robot 148 are operated in sequence to move the pocket unit 120 to the internal position of the mold 14. Raise it up. At this time, the rising distance of the first stage cylinder 144, the second stage cylinder 146 and the Y-axis robot 148 is 300mm, 250mm, 250mm (S170).

As described above, after operating the pocket unit up and down conveying means 140 to raise the pocket unit 120 to the internal position of the mold 14, the X-axis robot 150 is advanced to advance the pocket unit inside the mold 14. The nozzle 124 of 120 is inserted (S180).

After advancing the X-axis robot 150 so that the nozzle 124 of the pocket unit 120 is inserted into the mold 14, the vacuum valve is turned off and seated on the nozzle 124 by the force of air. The positioned insert is inserted into the mold 14 (S190). At this time, the advance distance of the X-axis robot 150 is 30mm.

As described above, after inserting the insert positioned on the nozzle 124 into the mold 14 through the force of air, the X-axis robot 150 moves backward (S200). At this time, the reverse distance of the X-axis robot 150 is 30mm.

After reversing the X-axis robot 150, the Y-axis robot 148, the second stage cylinder 146, and the first stage cylinder 144 are sequentially operated to lower the pocket unit 120 (S210). At this time, the falling distance of the Y-axis robot 148, the second stage cylinder 146 and the first stage cylinder 144 is 250mm, 250mm, 300mm respectively.

As described above, after lowering the pocket unit up and down transfer means 140, the X-axis robot 150 is moved forward so as to be positioned at the origin as in the beginning (S220). At this time, the advance distance to the X-axis robot 150 is 150mm.

Subsequently, in the mold 14, molding is performed to separate the molding into the mold 14, and then the mold 14 is repeatedly performed from the first stage.

As described above, the insert automatic inserting apparatus 100 according to the present invention automatically improves work efficiency because of insert direction, posture, alignment, and transfer, thereby improving productivity and reducing waste of manpower.

The present invention is not limited to the above-described embodiments and can be carried out in various modifications within the range allowed by the technical idea of the present invention.

As described above, according to the present invention, it is possible to solve the difficulty of the work by allowing the insertion of the insert of the insert by the robot and the position alignment of the insert of the small screw and the insertion of the insert by the robot.

Another effect of the present invention is to eliminate the waste of manpower according to the work by allowing the insertion of the insert of the insert by the robot and the position alignment of the insert, the insert pocket of the small screw and the robot.

In addition, the present invention can improve the production efficiency by improving the work efficiency by allowing the insertion of the insert of the insert by the robot and the position movement of the insert, the insert pocket and the insertion position of the small screw.

Claims (5)

In the insert automatic inserting device is composed of an injection molding machine for extruding the softened resin into the two molds to injection molding a certain shape of the molding to automatically insert the insert to be inserted into the molding into the interior of the mold, The insert automatic inserting device is installed on one side of the body frame of the injection molding machine, the parts feeder assembly for aligning the orientation and posture of the insert while moving the insert loaded therein upward in the spiral direction through vibration; A pocket unit configured to suck and transfer the inserts aligned by the parts feeder assembly through a vacuum pressure so as to be seated and rotated vertically by an air cylinder; Insert guide means for guiding the inserts aligned on the part feeder assembly to the nozzle of the pocket unit when the vacuum pressure of the pocket unit is generated; A pocket unit vertically moving means for linearly moving the pocket unit in three stages from the bottom to an internal position where the molding of the mold is performed; And Automatic inserting apparatus comprising an X-axis robot which is installed in the front and rear direction on the two support frames installed at a predetermined interval of the front and rear on one side of the body frame to move the pocket unit vertical transfer means back and forth linearly. According to claim 1, The part feeder assembly is installed on one side of the body frame to insert the insert (small nut) in the upper part of the insert feed groove spirally formed in the same direction a plurality of parts feeder; A vibrator installed at the lower part of the part feeder to move the insert inside the part feeder upward along the insert groove through vibration by the application of power; A chute plate installed transversely at the tip of the part feeder and aligned with the insert transferred to the tip of the part feeder; And Insert auto insertion device, characterized in that consisting of an air cylinder installed on one side of the chute plate, including a piston for aligning the insert aligned to one side of the chute plate in the direction of the insert guide means. The method of claim 2, wherein the pocket unit comprises: a nozzle plate configured to be linearly moved up and down on the front side of the pocket unit vertical transfer means; A nozzle installed and fixed to the nozzle plate to seat the insert through its respective tip; And The insert automatic insertion device, characterized in that the coupling is installed on one side of the nozzle plate for connecting the nozzle and the vacuum pump for generating a vacuum pressure. According to claim 3, The insert guide means is installed in a horizontal direction fixed to one side of the front support frame, the insert guide plate formed with a plurality of insert discharge holes corresponding to the nozzle position of the pocket unit; And Insert auto which is composed of a plurality of insert guide pipe which is connected to the upper portion of each of the insert discharge hole of the insert guide plate from the insert plate of the insert side which is moved and aligned by the air cylinder to guide the insert by vacuum pressure Insertion device. According to any one of claims 1 to 4, The pocket unit up and down conveying means is a robot base slidingly coupled to the X-axis robot back and forth linearly; A first stage cylinder which is fixed by the cylinder base on the robot base and raises the pocket unit by one stage through a first stage piston which is moved up and down by a predetermined height; A second stage cylinder which is connected to the first stage piston of the first stage cylinder and raises the pocket unit by two stages through a second stage piston which is moved up and down a predetermined height; And It is characterized in that the configuration of the Y-axis robot to raise the three-stage pocket unit coupled to the second stage piston of the second stage cylinder through the robot bracket so as to be linearly movable up and down on one side thereof; Insert auto insert.