JPH11151721A - Method and apparatus for feeding insert work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To appropriately and efficiently feed insert works into corresponding cavities in insert work molding by a mold with a plurality of cavities. SOLUTION: A suction nozzle 61 for sucking works and an arranging base 71 for arranging the works and placing them are provided and a transfer arranging mechanism 50 which transfers the works of a storing mechanism 10 on an arranging base 71 by a suction nozzle 61 so as to arrange them by following the arrangement of cavities 3, 3,... of a mold A and a suction part 81 consisting of a plurality of suction nozzles 81a, 81a,... and sucking in a lump the works on the arranging base 71 while their arranging condition is held are provided. In addition, a feeding mechanism 90 for feeding in a lump the works on the arranging base 71 into the cavities 3, 3,... by the suction part 81 is also provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for supplying an insert work into a plurality of cavities of a lower mold of an upper mold and a lower mold, respectively. Regarding measures to be taken.

[0002]

2. Description of the Related Art For example, a transmission belt used in a belt type continuously variable transmission generally has a large number of resin blocks b, b, b on a pair of tension bands a, a on both sides as illustrated in FIG.
Are locked and fixed at an equal pitch in the belt length direction. Since a high load is applied to this belt, the blocks b, b,... Are obtained by insert molding using an insert work made of an aluminum alloy or the like.

In the above case, since the thickness of the molding material for covering each block is extremely small, it is necessary to appropriately supply the insert work into the cavity of the mold. Therefore, conventionally, the insert work is supplied into the lower mold cavity while being positioned one by one.

[0004]

However, when the insert work is positioned and supplied one by one as in the above-mentioned conventional technique, when the insert molding is performed using a multi-cavity mold, the insert work is required. There is a problem that it takes a long time to supply the work and the efficiency of the forming operation is reduced.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a main object of the present invention is to appropriately insert an insert work into a corresponding lower mold cavity when molding the insert work with a mold having a plurality of cavities. Another object of the present invention is to provide efficient supply.

[0006]

In order to achieve the above object, according to the present invention, first, a plurality of insert works are aligned in accordance with the arrangement of a lower mold cavity, and thereafter, the insert works are collectively arranged. Into the cavity.

Specifically, in the invention of claim 1, there is provided an insert work supply method for supplying an insert work into each of the plurality of cavities of the lower mold of a multi-cavity mold including an upper mold and a lower mold. It is a premise.

Then, after aligning the insert work in accordance with the arrangement of the cavity of the lower mold, the aligned insert work is collectively thrown into the cavity of the lower mold while maintaining the aligned state. did.

In the above structure, the plurality of insert works are aligned in accordance with the arrangement of the cavities prior to the injection of the mold into the cavities. Then, the insert work is collectively thrown into the cavity while the alignment state is maintained. At this time, since the work of aligning the insert work can be performed in parallel with the insert molding work in the mold, compared to a case where a plurality of insert works are fed one by one, the work is input by an amount corresponding to the batch work. Work efficiency is increased.

According to a second aspect of the present invention, a storage mechanism for storing a plurality of insert works and a suction nozzle for sucking the insert work are provided as an insert work supply apparatus used in the insert work supply method according to the first aspect of the present invention. And an alignment base for aligning and placing the insert work, and the suction nozzle aligns the insert work of the storage mechanism on the alignment base according to the arrangement of the lower mold cavity. And a suction unit which comprises a plurality of suction nozzles and suctions the insert work on the alignment base of the transfer alignment mechanism at a time while maintaining its alignment state. And collectively inserts the insert work on the alignment base into the cavity of the lower mold by the suction portion. And to and an incoming mechanism.

In the above arrangement, the insert work of the storage mechanism is aligned by the transfer alignment mechanism on the alignment base in accordance with the arrangement of the cavity before the mold is put into the cavity. Then, the insert work on the alignment base is collectively injected into the cavity while the alignment state is maintained by the suction unit of the input mechanism. Therefore, the operation according to the first aspect of the present invention is specifically and appropriately performed.

According to a third aspect of the present invention, in the second aspect of the present invention, the alignment base of the transfer aligning mechanism is provided in accordance with the arrangement of the lower mold cavities, and is formed in accordance with the planar shape of each of the cavities. Having a plurality of recesses.

In the above structure, when the insert work of the storage mechanism is transferred onto the alignment base by the suction nozzle of the transfer alignment mechanism, the insert work is provided on the alignment base in accordance with the arrangement of the mold cavity. Placed in the plurality of recesses. At this time, since the planar shape of each of the concave portions follows the planar shape of the cavity, the horizontal movement of the insert work is restricted. Therefore, the insert work is collectively adsorbed to the adsorbing section of the charging mechanism while the alignment state is more reliably maintained.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the planar shape of each recess on the alignment base is set smaller than the planar shape of the lower cavity.

In the above configuration, when a plurality of insert works are placed in the concave portions on the alignment base, the planar shape of each concave portion is smaller than the planar shape of the cavity of the mold. Thereby, the insert work is aligned with higher precision than when the insert work is put into the cavity.

According to a fifth aspect of the present invention, in the second to fourth aspects of the present invention, the lower die has a plurality of engaging portions on a mating surface of the lower die. Then, on the alignment base of the transfer alignment mechanism, a plurality of engagement portions are provided in accordance with the arrangement of the engagement portions of the lower die. It is assumed that there are provided a plurality of positioning portions that engage with the engaging portion and the engaging portion of the alignment base to perform horizontal positioning of the suction portion with respect to the lower die and the alignment base.

In the above configuration, when the suction section of the charging mechanism suctions the insert work on the alignment base, the positioning section around the suction section engages with the engagement section of the alignment base, thereby forming the suction section. Horizontal positioning with respect to the alignment base is performed. When the suction part transfers the insert work into the cavity of the lower mold, the positioning part engages with the engagement part of the lower mold, thereby positioning the suction part in the horizontal direction with respect to the lower mold. Done. At this time, since the engagement portions of the alignment base are provided in accordance with the arrangement of the engagement portions of the lower mold, the plurality of insert works on the alignment base are accurately put into the corresponding cavities of the lower mold.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall configuration of a block forming machine into which an insert work supply device B according to an embodiment of the present invention is incorporated. As shown in FIG. When manufacturing a high-load transmission V-belt in which a number of blocks b, b,... Are arranged at equal pitches in the belt length direction and fixed and fixed to the belts a, a insert of the blocks b, b,. Used for molding. As shown in FIG. 3, the blocks b, b,... Extend in the belt width direction (left-right direction in FIG. 3) and are disposed on the back side of the belt (upper side in FIG. 3). A lower beam portion d arranged on the side (lower side in the figure) in parallel with the upper beam portion c and shorter than the upper beam portion c, and these upper and lower beam portions c and d are connected to each other at the center in the belt width direction. As shown by a broken line in the figure, substantially the entire surface of an H-shaped insert work w, w,... Having a substantially trapezoidal outer peripheral shape is formed of a molding material f such as a phenol resin. Is insert-molded in a state covered with.

The above block molding machine comprises an upper mold 1 and a lower mold 2
A multi-cavity mold A having a plurality of (four in the illustrated example) cavities 3, 3,..., And insert work w, w in the cavities 3, 3,.
The above-described insert work supply device B for supplying w,.
And the above-mentioned blocks b, b,...
And a block take-out device C for taking out.

The mold A is formed with an H-shaped runner along the mating surface of the upper mold 1 and the lower mold 2, and the cavities 3, 3,. Are arranged so that the portions corresponding to the upper beam portions c of the blocks b are connected at right angles. That is, the cavities 3 and 3 facing each other with the runner therebetween are in the opposite directions so that portions corresponding to the upper beam portion c face each other, and the cavities 3 and 3 located on the same side with respect to the runner are the same as each other. Orientation. On the other hand, the central portion of the runner has a substantially disk shape (see FIG. 15), and communicates with a lower end opening of a press-fit pot (not shown) provided to vertically pass through the center of the upper die 1. An injection unit (not shown) is connected to the press-fit pot. Guide pins 4, 4,... (See FIGS. 13, 14, and 19) are provided vertically at four corners of the mating surface of the upper mold 1. (See FIG. 11) serving as joint portions to perform positioning during mold clamping. Then, after the mold is opened, the lower mold 2 is moved from the lower mold 2 to the block b,
, and a plurality of ejector pins 6, 6,... for projecting the runner r upward.

The block unloading device C is shown in FIGS.
As shown in detail in FIG. 9, the suction ducts 91, 91,... Of the same number (here, four) as the blocks b, b,. 9
Block suction mechanism 90 that sucks corresponding blocks b, b,... From suction ports 91a, 91a,.
And the suction ducts 91, 9 of the block suction mechanism 90.
Each of the suction ports 91a of the blocks 1, 2,.
And a discharge port 110a for discharging the block b sucked into the corresponding suction duct 91 of the block suction mechanism 90 to the outside of the suction duct 91, respectively. (See FIG. 16) for separating the block b in the suction duct 91 from the suction duct 91, and outlets 110a, 110a,... Of these separation units 110, 110,.
, Respectively, which contain the blocks b, b,.

The receiving section 111 sorts and stores the blocks b, b,... For each cavity 3 of the mold A. That is, the storage section 111 is composed of a plurality of (eight in the illustrated example) storage boxes 111a, 111a,... Arranged for each corresponding separation section 110, and blocks b, b,. ... to accommodate. Further, the accommodation unit 111 accommodates the blocks b, b,... For each lot. In other words, a plurality (two in this case) of storage boxes 111a, 111a are arranged for each separation unit 110, and the blocks b,
are stored in different storage boxes 111a, 111a for each lot.

Each of the block unloading devices C is provided so as to be capable of opening and closing a discharge port 110a of a corresponding separation unit 110.
112, 1 for opening the discharge port 110a and discharging the reserved block b while retaining the discharge of the block b.
, A shutter actuator 113 for opening and closing these shutters 112, 112,..., Sensors 114, 114,... For detecting the presence or absence of the block b retained by the corresponding shutter 112, and all these sensors 114 , 114,... Correspond to blocks b, b,.
Are detected, all the outlets 110a, 110a,.
And an open / close control unit 115 for controlling the shutter actuator 113 so as to open the shutter.

More specifically, the block suction mechanism 90 of the block unloading device C has a vacuum unit 92 (see FIG. 16).
2, each suction duct 91 is connected. Each suction duct 91 includes a base end pipe 93 disposed on the vacuum unit 92 side, a distal end pipe 94 disposed on the suction port 91a side, and a flexible hose 95 connecting these two pipes 93, 94. And its proximal end pipe 93
Each separation unit 110 is interposed. The portion of the base pipe 93 upstream of the separation unit 110 is the separation unit 11.
0, and the downstream portion is a separation unit 110
A mesh member 116 for preventing the block b from passing downstream is provided at a connection portion with the side wall. In addition, the discharge port 110a is opened in the bottom wall of the separation unit 110, and the opening / closing control unit 115
, When a predetermined time has elapsed since the detection signals from all the sensors 114, 114,.
0a to be reopened.
Control.

The unloading moving mechanism 100 of the block unloading device C includes a moving unit 101 provided so as to be capable of moving forward and backward with respect to the mold A in the horizontal direction.
(Not shown) for moving the unit forward and backward, a pair of guide rails 102, 102 disposed in front of the moving unit 101 in the forward direction of the moving direction, and a pair of guide rails 102, 102 to move up and down. Elevating body 10 having an L-shaped cross section, which is supported and supported so as to extend in the direction in which moving unit 101 advances.
3 and an actuator 104 (see FIG. 18) for moving the elevating body 103 up and down.
12 to 15, the distal end pipes 94, 94,... Of the suction ducts 91 of the block suction mechanism 90 move integrally with the lifting / lowering body 103, as shown in FIGS. So that it is attached. More specifically, a notch concave portion 103a cut in a substantially rectangular shape is formed at the end of the elevating body 103, and the suction pipes 91a, 91a,. .. Are fixed to the elevating body 103 via the brackets 105, 105,.

The block unloading device C is adapted to move forward and backward integrally with each suction port 91a of the block suction mechanism 90 with respect to the runner r protruding from the lower die 2 together with the blocks b, b,. Provided runner r
And a runner chuck 121 that can capture the runner r when the runner chuck 121 moves forward and releases the captured runner r when the runner chuck 121 moves backward. A chuck actuator 122 to be operated is provided.

Specifically, a bracket 106 provided so as to straddle the notch recess 103a is disposed at the end of the elevating body 103 of the take-out moving mechanism 100, and the bracket 106 is provided on the front surface of the bracket 106. An actuator 122 is mounted with its output end facing down. The runner chuck 121 is provided so as to extend in the up-down direction. An upper end thereof is connected to an output end of the chuck actuator 122, and a lower end of the runner chuck 121 supports the central portion of the runner r from below. The inner periphery of the lower end is formed in a shape substantially following the outer periphery of the central portion of the runner r.

Further, as shown in FIGS. 17 to 19, the block unloading device C has a rotating brush 131 and a suction duct 132. The rotating brush 131 is rotated to rotate the cavity 3 of the upper die 1. , 3,... And an upper die cleaning mechanism 130 for sucking the foreign substances from the suction port 132a of the suction duct 132 while sweeping out the foreign substances in the upper die cleaning mechanism 13.
The upper die cleaning moving mechanism 1 for moving the rotating brush 131 of the upper die 1 and the suction port 132a of the suction duct 132 of the upper die cleaning mechanism 130 forward and backward with respect to the cavities 3, 3,.
40, a rotating brush 151 and a suction duct 152. The rotating brush 151 is rotated to sweep out foreign matter in the cavities 3, 3,. Cleaning mechanism 150 that sucks from the lower mold, and the rotating brush 15 of the lower cleaning mechanism 150
1 and a lower die cleaning moving mechanism 160 for moving the suction port 152a of the suction duct 152 of the lower die cleaning mechanism 150 forward and backward with respect to the cavities 3, 3,.

More specifically, the upper die cleaning mechanism 130 of the block take-out device C has an upper brush motor (not shown), and the rotary brush 131 is driven to rotate by the upper brush motor. . Also, the suction duct 132
An upper hood 133 having an upper surface opened in a rectangular shape and capable of covering the cavities 3, 3,... Of the upper mold 1 is connected to the suction port 132a of the upper hood 133. Are rotatably arranged about a horizontal axis. The upper die cleaning mechanism 130 shares the vacuum unit 92 with the block suction mechanism 90, and the suction unit 13 is attached to the vacuum unit 92.
2 are connected.

The moving mechanism 140 for cleaning the upper die of the block unloading device C shares the moving unit 101 with the above-described unloading moving mechanism 100, and the guide rails 102, 102 of the elevating body 103 in the moving unit 101. A pair of guide rails 141, 141 arranged to extend upward and vertically, and a pair of guide rails 14;
1, 141 so as to be able to move up and down,
Elevating body 103 toward the moving direction of mobile unit 101
Elevating body 1 provided to protrude further than in the case of
42, and an actuator 143 for moving the elevating body 142 up and down. The upper hood 133 of the upper die cleaning mechanism 130 is attached to the tip of the elevating body 142 in the advance direction. The rotating shaft 131a is rotatably supported via a pair of bearings 134 on both sides. One end (the right end in FIG. 19) of the rotating shaft 131a passes through a bearing 134, and a driven belt (not shown) is connected to the upper brush motor by a driven pulley 135 attached to the end. It is drive-coupled through.

On the other hand, the lower die cleaning mechanism 150 of the block take-out device C has a lower brush motor (not shown), and the rotary brush 151 is driven to rotate by the lower brush motor. The lower surface of the suction die 152a of the suction duct 152 has a rectangular opening.
Lower hood 1 that can cover the cavities 3, 3,.
The rotating brush 151 is disposed inside the lower hood 153 so as to be rotatable around a horizontal axis. This lower mold cleaning mechanism 150 also shares the vacuum unit 92 with the block suction mechanism 90,
A suction duct 152 is connected to the vacuum unit 92.

The lower mold cleaning moving mechanism 160 of the block unloading device C includes the unloading moving mechanism 100 and the moving unit 1.
01 and guide rails 102, 102,
The elevating body 14 of the upper die cleaning moving mechanism 140 is supported by the guide rails 102 and 102 so as to be able to move up and down, and moves in the direction in which the moving unit 101 advances.
Lifting body 162 provided so as to protrude to the same degree as 2
And an actuator 163 for moving the elevating body 162 up and down. The lower hood 153 of the lower die cleaning mechanism 150 is attached to the tip of the elevating body 162 in the advance direction. Rotary shaft 15
1a is rotatably supported via a pair of bearings 154, 154 on both sides. One end (the right end in FIG. 19) of the rotating shaft 151a passes through the bearing 154,
A driven pulley 155 attached to the end is drivingly connected to the upper brush motor via a transmission belt (not shown).

In this embodiment, the insert work supply device B stores the insert work w, w,... As shown in detail in FIGS.
0 and a suction nozzle 61 for sucking the insert work w at the lower end.
have alignment bases 71 for aligning and placing w,..., and insert nozzles w, w,. , And a plurality of (here, four) suction nozzles 81a, 81a,... Which suck the insert work w at the lower end thereof. Transfer alignment mechanism 5
.. On the zero alignment base 71 while adsorbing the insert works w, w,.
And the suction base 81 makes the alignment base 71
A loading mechanism 80 for loading the upper insert works w, w,... Into the cavities 3, 3,.

The alignment base 71 of the transfer alignment mechanism 50 is provided in accordance with the arrangement of the cavities 3, 3,... Of the lower die 2, and is formed in accordance with the planar shape of the cavities 3, 3,. .. Have four recesses 71a, 71a,. At this time, the planar shape of each concave portion 71a is set smaller than the planar shape of the cavities 3, 3,.

Further, a plurality of (here, two) guide bushes 72, 72,... Serving as engaging portions are provided on the alignment base 71 of the transfer aligning mechanism 50. Are arranged along the guide bushes 5, 5,... Of the lower die 2 and the guide bushes 72, 72,. 2 to perform horizontal positioning of the suction portion 81 with respect to the lower mold 2 and the alignment base 71.
Positioning pins 82 as two positioning portions are provided.

As shown in FIGS. 4 to 6, the storage mechanism 10 of the insert work supply apparatus B is provided so as to extend in the vertical direction, has a work outlet at the upper end thereof, and includes a plurality of insert work. , w, w,... are stacked and accommodated and held in the vertical direction, and a plurality of (ten in the illustrated example) magazines 11, and the stacked insert works w, w,. , A work elevating unit 12 configured to move up and down, a work elevating sensor 13 including a light emitter 13a and a light receiver 13b for detecting the presence or absence of an insert work w located at a work outlet of the magazine 11; When it is detected that there is no insert work w in the work outlet of the magazine 11, the insert work w of the uppermost layer in the magazine 11 is moved to the work. Preparative and a lift control unit 14 for controlling the workpiece supporting portion 12 to position the outlet.

The storage mechanism 10 is provided so as to be rotatable about a vertical axis, and the plurality of magazines 11, 1
Turntable 1 that holds 1, ... in a circumferential direction
5 and a table rotating unit 16 for rotating the turntable 15 in the clockwise direction in FIG. 4 so that each magazine 11 is sequentially positioned at a work removal position where the insert work w at the work removal opening is removed by the transfer alignment mechanism 50.
, A rotation proximity switch 17 for detecting the presence or absence of the insert work w, w,... In the magazine 11 positioned at the work removal position, and the rotation proximity switch 17 being inserted into the magazine 11 by the insert work w, w,. When it is detected that there is no magazine, a magazine 11 different from the magazine 11
(In the example shown, the magazine 1 adjacent in the counterclockwise direction is
A rotation control unit 18 that controls the table rotation unit 16 so that 1) is positioned at the work removal position.

Further, the storage mechanism 10 rotates the turntable 15 so that the insert work w, w in the magazine 11 to be positioned at the next insert work take-out position.
Light-emitting device 19a and light-receiving device 19b for detecting the presence or absence of w,.
, And the confirmation sensor 19 is inserted into the magazine 11 with the insert work w,
When the absence of w,... is detected, for example, the rotation of the turntable 15 is stopped.

More specifically, each magazine 11 of the storage mechanism 10 has a main body 20 having a work accommodating space having a substantially trapezoidal cross section extending vertically, and the main body 20 is detachably mounted on a turntable 15. And an ascending / descending elevation formed on a side wall of the main body 20 located radially outward of the turntable 15 so as to penetrate the side wall in the radial direction and extend vertically. It has a slit 22 for use. That is, each magazine 11 is fixed to the turntable 15 such that the lifting slit 22 faces outward in the radial direction of the turntable 15. The lower end of the elevating slit 22 is formed continuously so as to extend around the fixed part 21. In addition, the upper ends of both side walls aligned in the circumferential direction of the turntable 15 of the main body 20 of each magazine 11,
That is, a first detection slit 23 for transmitting the optical axis of the elevating sensor 13 in the horizontal direction is formed in a portion of the magazine 11 corresponding to the work outlet.
Further, a second detection slit 24 for transmitting the optical axis of the confirmation sensor 19 in a horizontal direction is formed at each lower end of the both side walls.

The work elevating part 12 of the storage mechanism 10
A plurality of (two in the illustrated example) columns 25, 25 arranged to extend in the vertical direction, respectively,
A support which is guided and supported so as to be able to ascend and descend by the turntable 15 so as to enter the magazine 11 at the work take-out position from the elevating slit 22 and move up and down. .. In the magazine 11 can be supported from below by a piece 26a. The lifting body 26 is arranged in parallel with the columns 25, 25 and penetrates the lifting body 26 in the vertical direction. And a motor 28 connected to the lower end of the feed screw 27 and moving the elevating body 26 up and down by rotating the feed screw 27 in forward and reverse directions. The above-described rotation proximity switch 17 includes the feed screw 2
7, when the lift 26 reaches the rising end, that is, when the lowermost insert work w in the magazine 11 is positioned at the work outlet of the magazine 11, the lift 26 Is detected and the above-described detection signal is output.

The table rotating section 16 of the storage mechanism 10
Has a motor 29 and a deceleration unit 30 which is drivingly connected to the motor 29 and reduces and outputs an input rotation speed from the motor 29.
5 is rotatably supported by the reduction unit 30 and is driven to rotate via the reduction unit 30. Also,
The table rotation unit 16 includes a detection rotation shaft 31 provided in the speed reduction unit 30 for detecting the rotation position of the turntable 15, and a rotation shaft 31 disposed near the rotation shaft 31 for rotating the rotation shaft 31. A count proximity switch 32 for detecting the number. Then, based on the output signal of the count proximity switch 32, the rotation control unit 18 turns the turntable 15 every time the detection rotation shaft 31 rotates a predetermined number of rotations.
Is stopped, and the motor 29 is controlled so that each magazine 11 is sequentially positioned at the work take-out position.

The transfer / alignment mechanism 50 of the insert work supply apparatus B comprises a transfer mechanism 60 for operating the suction nozzle 61 and an alignment mechanism 70 for operating the alignment base 71. 60 is the transfer mechanism 60
, And a moving body 63 guided and supported by the guide rail 62 so as to be reciprocally movable in the transfer direction. A reciprocating actuator (not shown) for reciprocating the moving body 63 along the guide rail 62; and a suction nozzle 6 provided on the moving body 63.
1 for raising and lowering the actuator 1. Two compression coil springs 64a, 64a are interposed between the lifting actuator 64 and the suction nozzle 61 so as to extend in the vertical direction of the suction nozzle 61.

On the other hand, the aligning base 71 is guided to the aligning mechanism 70 of the transfer aligning mechanism 50 so as to be able to reciprocate in a direction orthogonal to the transfer direction of the insert work w, w,. One supporting guide rail 73;
An actuator (not shown) for reciprocating the alignment base 71 on the guide rail 73 along the guide rail 73 is provided. Each concave portion 71a of the alignment base 71 is
Are formed in a trapezoidal cross section following the planar shape of the cavities 3, 3,. That is, the concave portions 71 corresponding to the cavities 3 and 3 facing each other across the runner in the lower mold 2
a, 71a are opposite to each other so that portions corresponding to the upper beam portion c of the block b face each other, and the concave portions 71a, 71a corresponding to the cavities 3, 3 located on the same side with respect to the runner, It has the same orientation.

In the transfer / arrangement mechanism 50 described above, the suction nozzle 61 of the transfer mechanism 60 is connected to the storage mechanism 10 in the transfer direction.
When the insert works w, w are transferred to the concave portions 71a, 71a on the side closer to the left side (FIG. 5), the insert works w, w are transferred to the concave portions 71a, 71a on the far side (the right side in FIG. 5). Sometimes, the alignment base 71 of the alignment mechanism 70
, The horizontal position for moving up and down is different. On the other hand, in the aligning mechanism 70, the concave portions 71a, 71a adjacent to each other in a direction (left-right direction in FIG.
When the insert work w is transferred to the
The alignment base 71 is moved along the guide rail 72 by the pitch between 1a and 71a.

As shown in FIGS. 9 to 11, the loading mechanism 80 of the insert work supply device B has four suction nozzles 8 for sucking the insert work w at the lower end.
.. Are integrally provided following the arrangement of the cavities 3, 3,... Of the lower mold 2, and the suction parts 81 are inserted into the suction nozzles 81a, 81a,. , ... are adsorbed and the cavity 3 of the lower mold 2 is
When the lower surface of the insert workpieces w, w,... Comes into contact with the bottom surfaces of the cavities 3, 3,. , Insert work w,
and an input control unit 82 for releasing w,. Specifically, the loading control unit 82 moves down the suction unit 81 immediately after the lower surfaces of the insert works w, w,... Sucked by the suction nozzles 81a enter the cavities 3, 3,. The movement is stopped and each suction nozzle 8 is stopped.
Are detached from the insert work 1a.

More specifically, the loading mechanism 80 includes an upper and lower mechanism 1 that extends in a horizontal direction toward the mold A perpendicular to the reciprocating direction of the alignment base 71 of the alignment mechanism 70.
A pair of guide rails 84, 84 and these guide rails 8
A moving body 85 which is guided and supported by the mold A so as to be able to advance and retreat, a rodless cylinder 86 provided between the guide rails 84 and 84 for moving the moving body 85 forward and backward, A pair of guide rails 85a arranged in front of the body 85 in the forward direction in such a manner as to extend vertically.
85a and an elevating body 8 having an L-shaped cross section, which is supported by the guide rails 85a, 85a so as to be movable up and down.
7 and a lifting / lowering cylinder 88 installed on the moving body 85 to move the lifting / lowering body 87 up and down. The suction portion 81 is integrally formed with the lifting / lowering body 87 on the lower surface side of the lifting / lowering body 87. It is provided so as to move. A plurality of compression coil springs 8 are provided between the elevating body 87 and the suction part 81.
7a, 87a, ... are interposed so as to extend in the vertical direction of the suction portion 81.

The movable body 85 of the loading mechanism 80 is provided with a projecting piece 85b for position detection which projects horizontally toward the fixed guide rails 84, 84.
On the fixed side (on the side of the guide rails 84, 84), the suction portion 8 is provided.
The suction position (the position in FIGS. 1, 9 and 10) that moves up and down when suction work 1 sucks the insert work w, w,...
After the suction work w,... are sucked, a standby position where the work stands by in the vicinity of the mold A, and the insert work w, w,.
Are placed in the cavities 3, 3,... Of the lower mold 2, and proximity switches 84a, 84b, 84c for detecting the loading position (the position in FIG. 11) that moves up and down, respectively. Further, dampers 89a for attenuating the horizontal movement of the moving body 85 by contacting the moving body 85 moving toward the suction position and the loading position, and restricting the horizontal movement at both ends of the guide rails 84, 84, respectively. A stopper 89b is disposed.

The insert work supply device B has a mounting table 41 on which the insert work w is mounted, and the horizontal position of the insert work w on the mounting table 41 with respect to the suction nozzle 61 and around the vertical axis. Is provided. The transfer / alignment mechanism 50 temporarily places the insert work w, w,... Sucked by the suction nozzle 61 on the mounting table 41 of the straightening mechanism 40. Then, the insert work w, w,.
After the horizontal position and the rotational position around the vertical axis are corrected, the insert work w is sucked again by the suction nozzle 61 and transferred onto the alignment base 71.

As shown in FIGS. 7 and 8, the straightening mechanism 40 of the insert work supply device B is
1 has restricting portions 42a, 42a that abut on the outer periphery of the insert work w so as to correct the horizontal position and the rotational position of the insert work w on the vertical axis, and the restricting portions 42a, 42a are mounted on the mounting table. Insert work w on 41
A pair of correction members 42, 42 that can be opened and closed in the direction of contact with the outer periphery of the mounting member 41, and an opening / closing unit that opens and closes the correction members 42, 42 when the insert work w is placed on the mounting table 41. And an actuator 43. Further, the correction mechanism 40 is provided so that the mounting table 41 and the correction members 42 are integrally rotated about a vertical axis, and the rotational position of the insert work w on the mounting table 41 about the vertical axis. At a predetermined angle (180 in this embodiment)
°) so that only the mounting table 41 and the correction members 42
It has a work rotating unit 44 for rotating 42.

Specifically, the mounting table 4 of the correction mechanism 40
At two locations in the radial direction, there are provided substantially rectangular openings 41a, 41a penetrating in the vertical direction.
Correcting members 42, 42 are arranged in 1a, 41a so as to be able to open and close in the radial direction. The work rotating unit 44 of the correction mechanism 40 includes a rotation actuator 45, a disk-shaped base 46 rotatably supported by the rotation actuator 45 and drivingly connected thereto, and a radial base 2 of the base 46. It is composed of two columns 47, 47 erected at a location, and a support member 48 arranged to connect these columns 47, 47 in the horizontal direction. The opening / closing actuator 43 is attached to the support member 48 at the upper end. And
The mounting table 41 and the correction members 42, 42 are set to 18 for each insert work w to be transferred and aligned by the transfer alignment mechanism 50.
It is designed to rotate by 0 °. That is, in the correcting mechanism 40, the concave portions 71a,
When the insert work w, w,... Is transferred to the base 71a, the mounting table 41 and the correction members 42, 42 are at the rotational position in FIG. 13, and the insert work w, w,. When being mounted, the rotation positions of the mounting table 41 and the correction members 42 are reversed by 180 °.

Next, the operation of the block molding machine configured as described above will be described. First, in the insert work supply device B of the block molding machine, the storage mechanism 1
The insert work w, w,... Of No. 0 are vertically stored and held in each magazine 11, and in the magazine 11 located at the work take-out position, the work elevating unit 12 faces the work take-out opening of the magazine 11. And moved up. And, the insert work w of the above work outlet
Is taken out of the magazine 11 by the suction nozzle 61 of the transfer / alignment mechanism 50, the absence of the insert work w located at the work take-out port is detected by the elevation sensor 13; The insert work w in the magazine 11 is controlled by the control unit 14 such that the uppermost insert work w in the magazine 11, that is, the insert work w immediately below the previously removed insert work w is positioned at the work outlet. , W,... Thereby, the insert work w, w,... Always located at a certain height position in the magazine 11 is sucked and taken out by the suction nozzle 61 of the transfer / alignment mechanism 50.

At this time, a plurality of magazines 11, 11,... Are held at regular intervals in the circumferential direction on the turntable 15 of the storage mechanism 10, and the insert work w, When there is no longer any insert work w, w,... in the magazine 11 positioned at the work take-out position from which the work w is taken out, this is detected by the rotation proximity switch 17, and the rotation control unit 18 controls the table rotation unit 16. Is controlled, the turntable 15 is rotated such that a magazine 11 different from the magazine 11 is positioned at the work take-out position. Therefore, a large number of insert works w, w,... Are sequentially and efficiently taken out one by one from the plurality of magazines 11, 11,.

Thereafter, the insert work w which is being transferred onto the alignment base 71 by the suction nozzle 61 of the transfer / alignment mechanism 50 is once separated from the suction nozzle 61 and is mounted on the mounting table 41 of the correction mechanism 40. Is done. Then, after the horizontal position and the rotational position around the vertical axis are corrected on the mounting table 41, the insert work w is sucked again by the suction nozzle 61 and transferred onto the alignment base 71. This allows
The insert works w, w,... Are properly transferred onto the alignment base 71 regardless of the variation in the horizontal position and the rotational position of the insert works w, w,.

The horizontal position and the rotational position of the insert work w on the mounting table 41 of the correction mechanism 40 are corrected, and the mounting table 41 and the correction members 42 and 4 are corrected.
2 is rotated by a predetermined angle (here, 180 °) around the vertical axis by the rotation actuator 45, so that the rotation position is changed by the above angle around the vertical axis. Therefore, the rotation position around the suction nozzle is changed for each insert work w, w,... Without rotating the suction nozzle 61 around the vertical axis.

On the alignment base 71 of the transfer alignment mechanism 50, the insert works w, w,... Are aligned in accordance with the arrangement of the cavities 3, 3,. Then, the insert work w, w,.
Are collectively thrown into the cavities 3, 3,... Of the lower mold 2 while the above-mentioned alignment state is maintained by the suction portion 81 of the throwing mechanism 80. At this time, the work of arranging the insert works w, w,... Can be performed in parallel with the insert molding work in the mold A, so that compared to the case where four insert works w, w,. Therefore, the efficiency of the charging operation is increased by the amount input in a lump.

The insert work w, w,.
Are concave portions 71a, 71 provided on the alignment base 71 according to the arrangement of the cavities 3, 3,... On the alignment base 71 when being aligned on the alignment base 71 of the transfer alignment mechanism 50.
a,... At this time, since the planar shape of each recess 61a is formed following the planar shape of the cavities 3, 3,..., The horizontal movement of each insert work w is restricted. Therefore, insert work w, w,
Are to be collectively adsorbed to the adsorption section 81 of the charging mechanism 80 while the alignment state is more reliably maintained. Further, the planar shape of each concave portion 71a corresponds to the cavities 3, 3,.
Is smaller than the plane shape of the insert work w,
are aligned on the alignment base 71 with higher accuracy than when they are put into the cavities 3, 3,.

Next, the insert work w, w,... On the alignment base 71 of the transfer / arrangement mechanism 50
Cavities 3 of the lower mold 2 which are adsorbed by the adsorption section 81
It is thrown into 3, ... At this time, when the suction portion 81 of the charging mechanism 80 moves downward toward the cavities 3, 3,..., The suction is performed immediately before the lower surface of the insert work w, w,. While the downward movement of the part 81 is stopped, the insert work w, w,.
Are naturally dropped into the cavities 3, 3,. This avoids a situation in which the insert work w is sandwiched between the suction nozzle 81a and the cavity 3 and is damaged by the lower end of the suction nozzle 81a. Also, the insert works w, w,... Fall naturally immediately before the insert works w, w,... Come into contact with the bottom surfaces of the cavities 3, 3,. No scratches occur.

When the suction section 81 of the loading mechanism 80 sucks the insert work w, w,... On the alignment base 71, the positioning pins 82 around the suction section 81 are moved by the guide bush of the alignment base 71. By engaging with 72, 72, the horizontal positioning of the suction portion 81 with respect to the alignment base 71 is performed. Then, the suction part 81 is the lower mold 2
Insert work w, w,
Are transferred to the lower die 2
By engaging the guide bushes 5, 5, the suction portions 8
Positioning of the lower mold 2 in the horizontal direction is performed. At this time, since the guide bushes 72, 72 of the alignment base 71 are provided following the arrangement of the guide bushes 5, 5,... Of the lower die 2, the insert work w, w,. 2 are accurately injected into the corresponding cavities 3, 3,.

After the insert molding by the mold A is completed and the mold is opened to the upper mold 1 and the lower mold 2, the molded blocks b, b,... Are protruded from the lower mold 2. In the block unloading device C, the suction port 91 of the block suction mechanism 90 is used.
a, 91a,... advance and move by the removal moving mechanism 100 to suck the blocks b, b,. Next, the blocks b, b,... Sucked by the suction ducts 91, 91,... Of the block suction mechanism 90 are separated from the corresponding suction ducts 91 by the respective separation units 110 and stored in the storage units 111. Therefore, the blocks b and b can be more easily removed than when the blocks are sucked one by one by the suction nozzle and taken out.
are taken out. At that time, the accommodation unit 111
Are accommodation boxes 111a, 11 arranged for each cavity 3.
, And blocks b, b,... Are accommodated in each accommodation box 111a. Therefore, blocks b, b,...
Are molded by the same cavity 3 and are sorted into those having extremely small dimensional variations. When the blocks b, b,... Are accommodated for each cavity 3,
The blocks b, b,...
1a. Therefore, these blocks b, b,...
Is prevented from being mixed between lots.

Are separated from the respective suction ducts 91 by the corresponding separating sections 110, and are retained by the shutters 112 on the discharge ports 110a. The presence or absence of the block b retained by the shutter 112 is determined for each of the shutters 112, 112,.
, And four blocks b,
When b,... are detected, the shutters 114, 114,.
Opens each outlet 110a. This clarifies that all the blocks b, b,... Have been reliably extracted.

After the mold A is opened, the suction ducts 91, 91, 91, 91, and 91 of the block suction mechanism 90 are applied to the runner r protruding from the lower mold 2 together with the blocks b, b,.
The runner chuck 121 advances and moves with each suction port 91a to capture the runner r. Then, the runner chuck 121 retreats together with the suction ports 91a of the suction ducts 91, 91,... To release the captured runner r. Thus, the runner r is taken out together with the blocks b, b,.

After the blocks b, b,... And the runner r are taken out, the rotating brush 131 of the upper mold cleaning mechanism 130 and the suction duct of the cleaning mechanism 130 are removed from the cavities 3, 3,. 132, and the rotating brush 151 of the lower mold cleaning mechanism 150 and the suction port 152a of the suction duct 152 of the cleaning mechanism 150 with respect to the cavities 3, 3,. The reciprocating movement is performed a predetermined number of times by the cleaning moving mechanism 140 and the lower mold cleaning moving mechanism 160. Are swept out by the rotating brush 131 of the upper mold cleaning mechanism 130 and are sucked through the suction port 132a of the suction duct 132, while the cavities 3 of the lower mold 2 are sucked. , 3, ... are swept out by the rotating brush 151 of the lower mold cleaning mechanism 150 and the suction port 1 of the suction duct 152 is removed.
By being sucked from 52a, the insides of the cavities 3, 3,... Are cleaned for the next molding operation.

Here, the operation of the block unloading device C will be described in more detail with reference to the timing chart of FIG. During molding, the moving unit 101 of the unloading moving mechanism 100 is located at an intermediate position between the advanced position and the retracted position. 162 are both at the rising end, and the elevating body 142 of the upper die cleaning moving mechanism 140.
Is at the falling edge. The runner chuck 121 is open, and the vacuum unit 92 and the upper and lower brush motors are both turned off. Also, the separation units 110 and 11
The discharge ports 110a of 0,... Are all closed.

When the upper mold 1 and the lower mold 2 are opened after the insert molding in the mold A is completed, the moving unit 101 of the ejection moving mechanism 100 receives the mold opening signal from the mold A and moves the block ejection position. , And the elevating bodies 103 and 152 of the removal moving mechanism 100 and the lower mold cleaning moving mechanism 160 move down together. At the same time, the elevating body 142 of the upper die cleaning moving mechanism 140 moves up. And blocks b, b,
And the runner r are ejected from the lower mold 2 by the ejector pins 6, 6,..., The runner chuck 121 chucks the runner r, and the vacuum unit 92 operates to suck the blocks b, b,.

When the ejector pins 6, 6,... Retreat into the lower mold 2, the elevating body 103 of the take-out moving mechanism 100 moves up, and the moving unit 101 reciprocates between the take-out position and the intermediate position. (One reciprocation in the illustrated example), and the upper and lower brush motors operate to operate the upper mold cleaning mechanism 130.
And the upper and lower rotating brushes 131, 1 of the lower mold cleaning mechanism 150
51 is driven to rotate. And the rotating brushes 131 and 15
The foreign matter in the cavities 3, 3,... Swept out by 1 is sucked by the suction ducts 132, 152 of the upper mold cleaning mechanism 130 and the lower mold cleaning mechanism 150. Thus, the insides of the cavities 3, 3,... Of the upper mold and the lower mold are cleaned. When the cleaning operation is completed, the moving unit 101 is moved backward to the retracted position, the operation of the upper and lower brush motors is stopped, and the lifting / lowering body 142 of the upper mold cleaning moving mechanism 140 is moved down. 160 lifting bodies 162 move upward.

When the moving unit 101 retreats to the retreat position, the runner chuck 121 opens and discards the runner r by a natural fall to a discarding unit (not shown), while the operation of the vacuum unit 92 stops. Next, the mobile unit 101 advances to the intermediate position and stands by until the next unloading operation. On the other hand, the blocks b, b,... Sucked by the block suction mechanism 90 are
Are held on the shutters 112, 112,... And their presence is detected by the sensors 114, 114,. Then, all the shutters 112, 112,.
When the blocks b, b,... Are detected, the shutters 112, 112,.
Are opened and the blocks b, b,.

Therefore, according to the present embodiment, the mold A
Insert work w, w,
, And a storage mechanism 10 for storing the insert works w, w,..., And a suction nozzle 61 for sucking the insert works w, w,. Have an alignment base 71 for aligning and placing them, and the insert nozzles w, w,.
.. On the alignment base 71 in accordance with the arrangement of the cavities 3, 3,.
, And a plurality of suction nozzles 81a, 81a,..., Which suck the insert works w, w,. , On which the inserts w, w,... On the alignment base 71 are collectively injected into the cavities 3, 3,.
, It is possible to more efficiently insert the insert work w, w,... Into the corresponding cavities 3, 3,. .

The alignment base 71 of the transfer alignment mechanism 50 is provided in accordance with the arrangement of the cavities 3, 3,... Of the lower mold 2, and is formed in accordance with the planar shape of the cavities 3, 3,. Have a plurality of concave portions 71a, 71a,..., The horizontal movement of the insert work w, w,... Can be regulated by the concave portions 71a, 71a,. To
It is possible to collectively adsorb to the adsorbing section 81 of the charging mechanism 80 while maintaining the alignment state more reliably. At this time, the planar shape of each concave portion 71a is changed to the cavities 3, 3,.
Are set to be smaller than the planar shape of, the insert works w, w,... On the alignment base 71 can be aligned with higher accuracy than when they are put into the cavities 3, 3,.

Further, the guide bushes 72, 72 provided on the alignment base 71 in accordance with the arrangement of the guide bushes 5, 5,... Of the lower die 2, and the suction portions 81 of the loading mechanism 80 are provided. , Guide bush 5 of lower die 2,
, And guide bushes 72 of the alignment base 71
Positioning pins 82 for engaging the lower die 2 and the alignment base 71 with each other to position the suction portion 81 in the horizontal direction.
82, the insert works w, w,... On the alignment base 71 can be accurately charged into the corresponding cavities 3, 3,.

In the above embodiment, the transfer / alignment mechanism 50
Although the straightening mechanism 40 is provided alongside, the straightening mechanism 40 may be omitted when the insert work of the storage mechanism can be properly transferred onto the alignment base by the suction nozzle.

In the above embodiment, the transfer / alignment mechanism 5
Although the alignment base 71 is reciprocated between the suction nozzle 61 of No. 0 and the suction part 81 of the charging mechanism 80,
The alignment base may be immovably fixed.

In the above embodiment, the alignment base 71
The concave portions 71a, 71a,... Which follow the planar shape of the cavities 3, 3,.
When the alignment state of the insert workpieces w, w,... On the alignment base 71 is sufficiently maintained, the concave portions 71a, 71
a,... can be omitted.

In the above embodiment, the guide bushes 72, 72 as the engaging portions of the alignment base 71 and the suction portions 81 follow the arrangement of the guide bushes 5, 5,.
Although the positioning pins 82, 82 as the positioning portions are provided, the engaging portions other than the guide bushes 5, 5,... May be provided on the mating surface of the lower die 2.

Further, in the above-described embodiment, the case where the block used for the high load transmission V-belt is formed is described. However, the present invention can be applied to the case where another molded product is insert-formed. .

[0075]

As described above, according to the first aspect of the present invention, an insert work is supplied into each of the plurality of cavities of the lower mold of the multi-cavity mold including the upper mold and the lower mold. As an insert work supply method, after aligning a plurality of insert works in accordance with the arrangement of the cavity, the aligned insert works are put into the cavity at once while maintaining the aligned state, The insert work can be supplied into the corresponding cavity more efficiently than in the conventional case where the insert work is supplied into the cavity while being positioned one by one.

According to the second aspect of the present invention, the insert work supply device used in the insert work supply method has a storage mechanism for storing a plurality of insert works, a suction nozzle for sucking the insert work, and an insert work supply apparatus. A transfer alignment mechanism having an alignment base for aligning and placing the same, and transferring the insert work of the storage mechanism to the alignment base in accordance with the arrangement of the lower mold cavity by the suction nozzle. And a suction unit, comprising a plurality of suction nozzles, which collectively sucks the insert work on the alignment base of the transfer / alignment mechanism while maintaining its alignment state, and the insert on the alignment base is held by the suction unit. According to the present invention, there is provided a charging mechanism that collectively loads the work into the cavity of the lower mold. Also, it is possible to achieve the same effect as the invention described in claim 1.

According to the third aspect of the present invention, the alignment base of the transfer alignment mechanism has a plurality of concave portions provided in accordance with the arrangement of the cavities of the mold and each formed in accordance with the planar shape of the cavity. I decided to
The aligned state of the insert work can be maintained until the insert work on the alignment base is sucked by the suction section of the loading mechanism.

According to the fourth aspect of the present invention, the planar shape of each concave portion on the alignment base is set smaller than the planar shape of the cavity, so that it is more accurate than when it is put into the cavity. The insert work can be aligned.

According to the fifth aspect of the present invention, when the lower die has a plurality of engaging portions on its mating surface, the lower die engaging portion is arranged on the alignment base of the transfer / alignment mechanism. A plurality of engaging portions are provided in accordance with the above, while the lower mold and the aligning base are engaged with the lower mold engaging portion and the aligning base engaging portion around the sucking portion of the input mechanism. Since a plurality of positioning portions for performing horizontal positioning are provided, it is possible to more accurately insert the aligned insert work into the cavity.

[Brief description of the drawings]

FIG. 1 is a plan view showing an overall configuration of a block molding machine according to an embodiment of the present invention.

FIG. 2 is a perspective view schematically showing a part of a high-load transmission V-belt.

FIG. 3 is a plan view schematically showing a block used for a high-load transmission V-belt.

FIG. 4 is a plan view showing a storage mechanism, a correction mechanism, and a transfer alignment mechanism in the insert work supply device of the block molding machine.

FIG. 5 is a diagram showing a storage mechanism, a straightening mechanism, and a transfer alignment mechanism as viewed from the right side of the block forming machine.

FIG. 6 is a diagram showing a storage mechanism and a transfer mechanism of a transfer alignment mechanism as viewed from the front of the block forming machine.

FIG. 7 is an enlarged plan view showing a correction mechanism.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a plan view showing an alignment mechanism and a loading mechanism of a transfer alignment mechanism in the insert work supply device.

FIG. 10 is a diagram illustrating an alignment mechanism and a charging mechanism as viewed from the right side of the block molding machine.

FIG. 11 is a diagram showing a loading mechanism when inserting an insert work from the right side of the block molding machine.

FIG. 12 is a plan view showing a main part of a block unloading device of the block forming machine.

FIG. 13 is a sectional view taken along line XIII-XIII of FIG.

14 is a sectional view taken along line XIV-XIV of FIG.

FIG. 15 is a bottom view showing a main part of the block unloading device.

FIG. 16 is a cross-sectional view schematically illustrating another main part of the block unloading device.

FIG. 17 is a plan view showing an overall configuration of a main part of the block unloading device.

FIG. 18 is a front view showing the entire configuration of a main part of the block unloading device from the front of the block forming machine.

19 is a sectional view taken along line XIX-XIX in FIG.

FIG. 20 is a timing chart showing the operation of the block unloading device.

[Explanation of symbols]

 2 Lower die 3 Cavity 5 Guide bush (engagement part) 10 Storage mechanism 50 Transfer / alignment mechanism 61 Suction nozzle 71 Alignment base 71a Recess 72 Guide bush (engagement part) 80 Input mechanism 81 Suction part 81a Suction nozzle 82 Positioning pin ( Positioning part) A Mold B Insert work supply device w Insert work

Claims (5)

[Claims] 1. An insert work supply method for supplying an insert work into a plurality of cavities of the lower mold of a multi-cavity mold including an upper mold and a lower mold, wherein an arrangement of the cavity of the lower mold is provided. A method for supplying an insert work, comprising: aligning an insert work in accordance with the above-described method, and then collectively inserting the aligned insert work into the cavity of the lower mold while maintaining the aligned state. 2. An insert work supply apparatus used in the insert work supply method according to claim 1, further comprising: a storage mechanism for storing a plurality of insert works; and a suction nozzle for sucking the insert work. A transfer base having an alignment base for aligning and placing the workpieces, and transferring the insert work of the storage mechanism onto the alignment base by the suction nozzle so as to follow the arrangement of the cavity of the lower die; An alignment mechanism, and a suction unit comprising a plurality of suction nozzles, the suction unit for collectively sucking the insert work on the alignment base of the transfer / alignment mechanism while maintaining its alignment state, and And a charging mechanism for simultaneously charging the upper insert work into the lower mold cavity. Sartwork supply device. 3. The insert work supply device according to claim 2, wherein the alignment base of the transfer alignment mechanism is provided in accordance with the arrangement of the lower mold cavity, and each of the alignment bases is formed in accordance with the planar shape of the cavity. An insert work supply device having a concave portion. 4. The insert work supply device according to claim 3, wherein the planar shape of each recess on the alignment base is set smaller than the planar shape of the lower cavity. . 5. The insert work supply device according to claim 2, wherein the lower mold has a plurality of engaging portions on a mating surface of the lower mold, and a plurality of engaging portions are provided on an alignment base of the transfer aligning mechanism. Are provided in accordance with the arrangement of the lower mold engaging portions, and engage with the lower mold engaging portions and the alignment base engaging portions around the suction portion of the input mechanism. And a plurality of positioning portions for horizontally positioning the suction portion with respect to the lower die and the alignment base.