KR20080014556A - Fusion splicer - Google Patents

Abstract

A fusion splicer is provided to improve efficiency of heat welding by installing a gear type index transmission body for rotating a rotation table placing a supporter radially through a gear method. A fusion splicer comprises a supporter(200) where a welding member is placed, a supporter transferring part(100) transferring the supporter, a heating part(400) having a heating plate for heating the welding member, a cooling part(500) including a cooling plate for cooling the heated welding member, and a control part(600) controlling operation of each part. The supporter transferring part has a rotation table(110), and a gear type index power transmission body(120). The rotation table has plural supporters radially placed around a rotary shaft. The gear type index power transmission body transmits driving force through a gear method to rotate the rotation table. The gear type index power transmission body includes a driving motor applying the driving force to the rotation table, an index motor connected to the rotation shaft of the rotation table, and a power transmission unit mutually connecting the driving shaft of the driving motor with the driving shaft of the index motor.

Description

Heat Fusion Machine {FUSION SPLICER}

Figure 1a is a perspective view showing a heat welder according to the prior art.

Figure 1b is an exploded perspective view of another type of heat fusion machine according to the prior art.

Figure 2 is a perspective view of a heat welding machine according to the present invention.

Figure 3 is a plan view showing a heat welding machine according to the present invention.

Figure 4 is a side view showing a heat fusion machine according to the present invention.

5 is a schematic configuration diagram of a heat welding machine index motor according to the present invention;

Figure 6a is a plan view showing the cradle of the heat welder according to the present invention.

Figure 6b is a front view of the cradle according to the present invention as seen from "AA" of Figure 6a.

Figure 7a is a plan view showing a cooling plate of the heat welding machine according to the present invention.

FIG. 7B is a front view of the cold plate according to the present invention as viewed from " BB "

8a to 8g is a state diagram showing the fusion process in the heat welding machine according to the present invention.

<Code Description of Main Parts of Drawing>

100: cradle transfer unit 110: rotary table

120: index power carrier 200: holder

300: cradle transfer unit 400: heating unit

500: cooling unit 600: control unit

The present invention relates to a thermal fusion machine, the rotation table is a radially arranged cradle is rotated by the gear-type index transmission body by the gear method, so that the rotation speed of the rotating table is stable, the uniform division of the rotating angle is continuously maintained The present invention relates to a heat fusion machine in which effective heat fusion is achieved.

In general, the heat welding machine is a device for joining different injection moldings made of synthetic resin into a single injection molding by applying heat and pressure, and after placing the injection molding on the jig to press and press the injection molding at a predetermined pressure and temperature, The injection molded product is fused, and the thus-molded injection product is taken out of the jig to obtain a finished injection product.

Among these heat fusion machine will be described for a heat fusion machine (patent registration publication: 10-0516185) registered by the applicant.

Figure 1a shows a perspective view of a conventional heat welding machine, a conventional heat welding machine is a cradle (1) formed in a shape that can be mounted to the fusion member, and a heating unit (3) provided with a heating plate (2) for dissipating heat; , A cradle feeder 6 having a guide rail 4 for guiding the cradle 1 in a horizontal front and rear direction, and a cradle cylinder 5 for transferring the cradle 1 along the guide rail 4, and a cradle ( 1) a heating plate conveying unit 7 for conveying the heating plate 2 so as to be in close contact with the fusion member mounted in 1), a cooling unit 8 for cooling the heated fusion member, and a cooling plate conveying unit for conveying the cooling unit 8. (10) and the control part 9 which controls the operation | movement of these structures.

Here, the cradle transfer unit 5 is configured to include a cradle cylinder (5) for transferring the cradle (1) along the guide rail (4) and the guide rail (4), in this case cradle installed on the linear motion trajectory Repeated removal of the fusion member (1) had a problem that the worker's fatigue increased and the work efficiency decreased.

In order to solve the above problems, a conventional rotary type thermal fusion machine (Utility Model Registration No .: 20-0416164) has been proposed.

FIG. 1B is an exploded perspective view of a conventional rotary type heat fusion splicer. The conventional rotary type heat fusion splicer has lower jigs 22, 23, 24, 25, 26, and 27 fixed on the upper surface of the turntable 20. Is fixed through, the rotary plate 40 is integrally fixed to the bottom surface of the turntable 20, the rotary plate 40 is the turntable through the index body 60 is rotated by the drive of the pneumatic cylinder (50) 20) is rotated by the set angle.

However, such a conventional rotary thermal fusion machine rotates the turntable by a pneumatic cylinder. In this case, since the turntable is controlled by the compressed air of the pneumatic cylinder, the rotation speed of the turntable is unstable, There was a limitation that it was difficult to obtain turntable rotation speed. In addition, since the angle division is difficult through the pneumatic cylinder, there is a problem that an error occurs in the divided rotation angle when the operation such as the operation and stop of the turntable is repeated repeatedly.

In addition, in the initial operation of the conventional heat welding machine, the turntable is accelerated and rotated, and when the rotating turntable is stopped, there is a concern that the turntable does not stop at the correct position due to the slip phenomenon of the turntable due to the rotating inertia force. When the rotational speed of the turntable on which the fusion member is seated is not uniform, stable heat fusion is not achieved in the heat fusion machine.

For example, if a precise coupling is not made between the lower jig and the heating plate / cooling plate of the heat welding machine, the heat welding of the welding member positioned therebetween cannot be performed normally, and as a result, the heat welding of the welding member is not performed properly. There was a problem that a defect occurred.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art, and to provide a heat fusion machine in which a fusion member to be fused is uniformly transported to achieve stable fusion.

In addition, the present invention is to provide a heat fusion machine that is smoothly fusion of the fusion member by making the coupling between the heating plate / cooling plate and the lower jig precisely.

In order to achieve the above object, the present invention, the cradle to which the fusion member is mounted, the cradle transfer unit for transferring the cradle, the heating unit is provided with a heating plate for heating the fusion member, and the cooling plate for cooling the heated fusion member is provided In the heat welding machine comprising a cooling unit and a control unit for controlling the operation of each unit, the cradle transfer unit is a rotary table with a plurality of cradles are disposed radially around the rotation axis, and the gear so that the rotary table is divided rotation It comprises a geared index power transmission for transmitting the driving force by the method.

In this case, the gear-type index power transmission drive the drive motor for applying the driving force to the rotary table, the index motor connected to the rotary shaft of the rotary table is divided into rotation, the drive shaft of the drive motor and the drive shaft of the index motor mutually And a power transmission means for connecting.

In addition, the present invention may further be provided with a sensing sensor for detecting the divided rotation of the rotary table, the heating protection cover for blocking the heat from the heating plate is transmitted to the cooling plate between the heating plate and the cooling plate Can be installed.

An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a view showing a perspective view of a heat fusion machine according to the invention, Figure 3 is a view showing a plan view of the heat fusion machine according to the invention, Figure 4 is a view showing a side view of the heat fusion machine according to the present invention. In addition, Figure 5 is a view showing the general configuration of the heat welding machine index motor according to the present invention.

As shown in Figures 2 to 5, the heat fusion splicer according to the present invention is a cradle 200, the fusion member is mounted, a plurality of cradles 200 around the rotation axis and the rotary table 110 is disposed radially The heating unit is provided with a cradle transfer unit 100 including a gear-type index power transmission unit 120 for transmitting a driving force by a gear method so that the rotary table 110 is divided and rotated, and a heating plate 410 for heating the fusion member. 400, a cooling unit 500 including a cooling plate 510 for cooling the heated fusion member, and a control unit 600 for controlling the operation of each unit.

Specifically, the upper surface of the cradle 200 is formed in a shape corresponding to the lower surface of the fusion member in order to mount the fusion member to be thermally fused, the cradle 200 is coupled to the heating plate 410 of the heating unit 400 When the fusion member is positioned between them to be heat-sealed. Here, the fusion member includes a different first base material and a second base material, and a heat fusion tape for bonding the first base material and the second base material to each other.

The cradle 200 is fixedly installed on the rotary table 110 of the cradle transfer unit 100 that rotates, in particular, for the continuity of the fusion process, the rotary table 110 has a plurality of cradles 200 around the rotating shaft. Arranged radially.

The cradle transfer unit 100 includes a rotary table 110 in which a plurality of cradles 200 are disposed radially, and a gear-type index power transfer unit 120 that transmits a driving force to the rotary table 110 by a gear method. It is configured by.

For example, the rotary table 110 is a disk shape in which the corresponding central axis is rotatably installed, and a plurality of cradles 200 are radially spaced about the rotation axis of the rotary table 110 on the upper surface thereof, and the lower portion thereof. The geared index power transmission unit 120 is connected to the drive structure to enable a precise divided rotation around the axis of rotation of the rotary table 110. In this case, the thermal welding machine may be installed opposite the sensor 800 with the rotary table 110 interposed therebetween, the sensor 800 detects that the rotary table 110 is rotated at an equal angle.

In the present embodiment, the rotary table 110 is set to four stations in a structure that is divided into four, the cradle 200 is disposed in each of the four stations. Such a four-segment rotation of the rotary table 110 is an optimal state for an operator to effectively mount and remove the fusion member from the four cradles 200 provided on the rotary table 110, If necessary, the rotary table 110 may be changed into a six-part rotation, an eight-part rotation, or a 12-part rotation, and the number of the cradles 200 provided in the rotation table 110 may also be increased. However, in this case, the filling of the operator for mounting and removing the fusion member to the holder 200 is required.

The geared index power train 120 has a drive motor 121, an index motor 122 which is divided and rotated in connection with the rotation shaft of the rotary table 110, and a driving force applied from the drive motor 121 is indexed. It comprises a power transmission means (not shown) for connecting the drive shaft of the drive motor 121 and the drive shaft of the index motor 122 by a chain or belt member so as to be transmitted to the motor 122.

For example, the index motor 122 is provided with a roller gear cam 122a that is connected to the driving motor 121 and receives a driving force applied thereto, and is provided on an input shaft, and the partition plate is connected to the rotating shaft of the rotary table 110. 122b is provided in the output shaft. In this case, the roller gear cam 122a may be connected to the driving motor 121 through a power transmission means (not shown).

The roller gear cam 122a is formed of a cylindrical cam having a tapered rib shape, and a plurality of cam follower bearings are installed in contact with the divider plate 122b to intermittently move the cam. This is made in the partition plate (122b). As described above, the index motor 122 used in the present invention is not coupled to the tapered ribs and the cam follow bearing 122c in the preloaded state so that no backlash is generated, and thus no vibration or noise is generated. There are possible advantages. In addition, since load transfer between these parts is transmitted by rolling contact, there are advantages of low friction loss, excellent wear resistance, and excellent positioning accuracy at high speed.

In this configuration, the geared index power train 120 has an external power source applied to the drive motor 121 and an index motor 122 connected by a power transmission unit is driven, and the output shaft of the index motor 122 has a predetermined angle. As the divided driving is performed, the rotary table 110 connected thereto is divided and rotated about the central axis. The fusion member mounted on the holder 200 by the rotary table 110 rotated by a predetermined angle rotates the rotary table 110 and cools the heating plate 410 and the cooling unit 500 of the heating unit 400. The plate 510 is heated and cooled to achieve fusion.

Meanwhile, the heating unit 400 for heating the fusion member includes a heating plate 410 for transmitting high temperature heat to the fusion member and a heating plate vertical cylinder 420 for elevating the heating plate 410. 410 is installed so as to face at a height spaced apart from the cradle 200, the contact plate and the spaced apart from the fusion member mounted on the cradle 200 by the operation of the heating plate vertical cylinder 420 is installed. Thus, when the heating plate is in close contact with the fusion member, the fusion member is heat-compressed so that heat fusion is performed.

The cooling unit 500 for cooling the fusion member heated by the heating unit 400 includes a cooling plate 510 for cooling the fusion member and a cooling plate vertical cylinder 520 for raising and lowering the cooling plate 510. It is configured to include). At this time, the cooling plate 510 is installed at a height spaced apart from the cradle 200 by a predetermined distance, and close and spaced in contact with the fusion member mounted on the cradle 200 by the operation of the cooling plate vertical cylinder 520. It is configured to be able to eject the compressed air in close contact with the fusion member so that the fusion member is cooled.

Here, the heat fusion process of the fusion member by the heating unit 400 and the cooling process of the fusion member by the cooling unit 500 proceeds simultaneously or continuously in one process line. The heating plate 410 of the heating unit 400 and the cooling plate 510 of the cooling unit 500 are arranged to correspond to the cradle 200 spaced apart from each other around the rotation axis of the rotary table 110, The heating and cooling of the moved fusion member are continuously performed.

In addition, a heater protection cover 900 may be installed between the heating plate 410 and the cooling plate 510 to block heat exchange therebetween. The heater protective cover 900 is to block the heat emitted from the heating plate 410 to be transmitted to the cooling plate 510 located adjacent to the heating plate 410, the heat insulating member for effective blocking of heat transfer Can be used.

Hereinafter, the configuration of the cradle for cooling the heated fusion member and the cooling plate will be described in detail.

Figure 6a is a view showing a plan view of the heat welding machine cradle according to the present invention, Figure 6b is a view showing a front view of the cradle viewed from "AA" of FIG. In addition, Figure 7a is a view showing a plan view of the heat welding machine cold plate according to the present invention, Figure 7b is a view showing a front view of the cooling plate viewed from "BB" of Figure 7a.

As shown in Figure 6a to 7b, the cooling plate 510 is formed with a blowing hole 511 for discharging the cooling air compressed from the air compressor not shown, the cradle 200 is formed in the blowing hole ( An inflow hole 210 into which the cooling air discharged from the 511 flows in and the air flow path 220 deployed in the holder 200 are formed.

For example, the ejection hole 511 is a first ejection hole 511a for cooling the fusion member 200 seated on the cradle 200 and a second ejection hole 511b for cooling the cradle 200. It is composed. In this case, the first ejection hole 511a is formed on the cooling plate 510, which is a position opposite to the fusion member 200 seated on the holder 200, in particular the cooling corresponding to the edge of the fusion member. A plurality of spaced apart is formed on the plate 510 to cool the upper surface of the fusion member seated on the holder 200.

The second ejection hole 511b is formed at a position corresponding to the inlet hole 210 of the cradle 200 to allow the cooling air to be ejected into the cradle 200 through the inlet hole 210. Here, the position of the second ejection hole 511b formed in the cooling plate 510 may vary depending on the shape of the fusion member seated on the cradle 200. For example, in the case where the shape of the fusion member is the front cover shape 720 of the mobile phone as in the present embodiment, the second ejection hole 511b is located on the cooling plate 510 at a position corresponding to the liquid crystal hole 710 of the front cover. Is formed. This is to allow the cooling air ejected from the second ejection hole 511b to pass through the liquid crystal hole 710 of the front cover shape 720 of the cellular phone to the inlet hole 210 of the holder 200. At this time, the position of the inlet 210 of the cradle 200 is also formed at a position corresponding to the liquid crystal hole 710 of the front cover 720 of the mobile phone.

On the other hand, the cradle 200 is fixed to the cradle transfer unit 300 through the fixing plate 240, in particular, the inlet hole 210 is in communication with the blow hole 511 on the top of the cradle 200 A plurality of discharge holes 230 are formed in the side portion, and an air flow path 220 connecting the inflow hole 210 and the discharge hole 230 is formed therein. Through this configuration, the fusion member seated on the holder 200 as well as the holder 200 can be effectively cooled. This is because the cradle 200 is cooled through the cooling air introduced from the cooling plate 510, and the fusion member 200 seated on the cradle 200 may also be cooled by the cooled cradle 200. .

The air flow path 220 allows the cooling air introduced through the inlet hole 210 to be smoothly circulated in the cradle 200. For this purpose, the air flow path 220 is disposed in the cradle 200. It is preferably arranged in the form of a lattice. As a result, a smooth cooling air flow may be performed in the holder 200. Of course, the arrangement form of the air flow path 220 is not limited thereto and may be changed into various structures such that the introduced cooling air is smoothly circulated in the cradle 200.

Hereinafter, a process of heat fusion of the fusion member using the heat fusion machine according to the present invention will be described.

8A to 8G are views illustrating a fusion process in the heat welding machine according to the present invention.

8A and 8B, when the mounting of the fusion member 700 to the holder 200 is completed and the user inputs an operation signal to the heat welding machine, the driving force of the driving motor 121 is the index motor 122. It is transmitted to the rotary table 110 through the rotary table 110 to be divided and rotated. (See FIG. 3).

As shown in FIG. 8C, when the rotary table 110 rotates, the holder 200 is transferred to a vertical downward point of the heating plate 410, and when the holder of the holder 200 is completed, the vertical cylinder is heated plate 410. It is transported downward to be in close contact with the fusion member 700 so that heat is applied to the fusion member 700.

When the heat fusion of the fusion member 700 by the heat generated from the heating plate 410 is completed, as shown in Figure 8d and 8e, the heating plate 410 is transferred upwards and the rotary table 110 is a cradle 200 ) Is transferred to a vertical downward point of the cooling plate 510.

When the holder 200 is transferred to a vertical downward point of the cooling plate 510, as shown in FIG. 8F, the cooling plate 510 is transferred downward to be in close contact with the fusion member 700. When the cooling plate 510 is in close contact with the fusion member 700, the compressed air is ejected to the fusion member 700 through the cooling plate 510 to cool the fusion base material.

As shown in FIG. 8G, when the fusion member 700 is cooled by the cooling plate 510, the cooling plate 510 is transferred upward by the cooling plate vertical cylinder 520, and the rotary table 110 is rotated. The fusion member 700 in which the heat fusion process is completed is maintained in a detachable state.

While the invention has been shown and described with respect to specific embodiments thereof, it will be appreciated that the invention can be variously modified and varied without departing from the spirit or scope of the invention as provided by the following claims. It will be obvious to those of ordinary skill.

As described above, according to the present invention, since the rotating table provided with the holder is rotated through the gear type index transmission body, the rotating speed of the rotating table is maintained uniformly and stably, and the rotating table rotating speed is as desired by the user. There is an advantage that can be obtained.

In addition, the present invention has the advantage that the accurate angle division of the rotary table is possible, so that even division of the uniform rotation angle is continuously maintained even if the operation such as the operation and stop of the rotary table is repeatedly performed.

In addition, the present invention has an advantage that the bonding between the heating plate / cooling plate and the lower jig is made precisely, so that the welding of the fusion member seated therebetween is smooth and the quality of the product is improved.

Claims (6)

A cradle for mounting the fusion member, a cradle transfer unit for transferring the cradle, a heating unit provided with a heating plate for heating the fusion member, a cooling unit provided with a cooling plate for cooling the heated fusion member, and controls the operation of each part In the heat welding machine comprising a control unit, The cradle transfer unit A rotating table in which a plurality of cradles are disposed radially around a rotating shaft; And a gear type index power transmission unit for transmitting a driving force by a gear system so that the rotary table is divided into rotations. The method according to claim 1, The geared index power train is A drive motor for applying a driving force to the rotary table; An index motor connected to the rotary shaft of the rotary table and divided and rotated; And a power transmission means for driving the drive shaft of the drive motor and the drive shaft of the index motor to each other. The method according to claim 2, The index motor A roller gear cam connected to the drive motor and installed on the input shaft; A partition plate connected to the rotating shaft of the rotary table and installed on the output shaft; And a plurality of cam follow bearings installed in contact with the partition plate. The method according to any one of claims 1 to 3, The cooling plate is formed with a blowing hole for blowing cooling air, The cradle is formed in the inlet hole communicating with the ejection hole, the air flow passage connected to the inlet hole is characterized in that the heat fusion apparatus characterized in that deployed inside the cradle. The method according to any one of claims 1 to 3, And a sensor for detecting the divided rotation of the rotary table. The method according to any one of claims 1 to 3, Between the heating plate and the cooling plate And a heating protective cover for preventing heat radiating from the heating plate from being transferred to the cooling plate.

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