JP2599201Y2 - Equipment for supplying molding material to press dies - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for supplying a molding material to a press die suitable for mass production of interior parts for automobiles and the like.

[0002]

2. Description of the Related Art Normally, as interior parts for automobiles to be installed in an automobile interior, a thermoplastic material is heated and softened.
2. Description of the Related Art A cold press forming method of forming a product into a product shape using a cold press mold having a required shape is frequently used.

The conventional cold press molding method will be briefly described. As shown in FIG. 9, a molding material 2 is taken from a heating device 1 and set in a cold press molding die 3. In this method, the work is usually performed by two people, taking care not to leave a net mark on the product surface.

FIGS. 10 and 11 show an automated material supply, heating and press-type injection. The molding material 2 is set on a belt conveyor 5 by an input device 4, and the belt conveyor 5 is driven. Then, the molding material 2 that has passed through the hot-air heating furnace 6 and heated and softened is put into the press die 7. Also in this case, the operator sets the press die 7.

[0005]

As described above, it has been pointed out that the conventional cold press molding method in which a thermoplastic material is heated and then subjected to cold press molding requires a large number of work steps and a low product yield.

Further, when setting the molding material 2 in the press die 7, the operator must put a part of the body in the press die 7 to perform the setting operation, and there is a danger of malfunction of the press die 7. Therefore, it cannot be said that sufficient security is guaranteed.

The present invention has been made in view of such circumstances, and it is possible to automatically supply a molding material to a press die with high accuracy, and in addition, to improve the safety of the molding material. It is intended to provide a supply device.

[0008]

Means for Solving the Problems In order to achieve the above object, the present invention provides a molding material supply apparatus for supplying a molding material to a press die after heating the molding material.
An injection device for moving the molding material to a predetermined position, a positioning device for positioning the molding material dropped on the receiving table by the injection device by a four-way cylinder, and a pressing mold for the positioned molding material through a hot-air heating furnace. Supply to
And the above-mentioned transport conveyor.
The bare device can move back and forth with respect to the press die, and
The conveyor can circulate and can be operated on a net conveyor.
At the end of the circulation of the set molding material, the conveyor
The device moves forward to the nearest position of the press die, and then
Speed of Conveyor Device for Circulation and Circulation Speed of Net Conveyor
Forward and circulating at approximately the same speed
The molding material is placed on the press die from the conveyor
The feed is supplied in an inverted state .

[0009]

As is apparent from the above arrangement, the positioning material is accurately positioned by the positioning device before the molding material is set on the conveyor, so that the molding material can be accurately set on the press die.

[0010] The setting of the molding material in the press mold is as follows.
Advancement of the device where the conveyor device enters the press mold
Drive and circulation drive of the net conveyor are performed at approximately the same speed.
By supplying the molding material in an inverted state ,
To cut, net mark of the conveyor does not appear on the product surface,
In addition, it is possible to eliminate the danger that the operator leans on the press die and sets it.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an apparatus for supplying a molding material to a press die according to the present invention;

FIG. 1 is an explanatory view showing the overall configuration of a molding material supply apparatus according to the present invention, and FIG. 2 is a chart showing a process of supplying a molding material to a press die using the supply apparatus according to the present invention. 3 to 8 are explanatory views of each step showing the operation of the supply device according to the present invention.

FIG. 1 shows an overall configuration of a supply device according to the present invention. The supply device according to the present invention includes a charging device 20 for charging a molding material M laminated on a pallet 10 to a predetermined position, and a molding material M. Positioning device 30 for accurately positioning the molding material M in the front-rear and left-right directions, and a conveyor device 40 for transporting the molding material M accurately positioned in the front-rear and left-right directions by the positioning device 30.
And a hot air heating furnace 50 for heating the molding material M to a predetermined temperature by driving the conveyor device 40 for conveyance.

More specifically, the loading device 20 has a support plate 24 on which a plurality of vacuum chucks 23 are installed at the tip of a piston rod 22 of a vertical operation cylinder 21, and vacuum suction by the vacuum chucks 23. The vertical movement cylinder 21 moves along the guide rail 25 so that the molding material M can be put into each position of the positioning device 30 and the conveying conveyor device 40. It is configured to be able to reciprocate in the direction of the arrow.

Next, the positioning device 30 includes the input device 2
0, an alignment member 32 having an L-shaped cross section is provided along four sides of the receiving base 31 so that the molding material M supplied by the mounting member 32 can be positioned in the front-rear and left-right directions. Air cylinder 33 that moves forward and backward
Is provided.

Next, the transport conveyor device 40 circulates the net conveyor 42 by the pulley 41, and supplies the molding material M placed thereon to the press die 60 via the hot air heating furnace 50. However, the conveyor device 40 is also configured to be able to advance and retreat a predetermined stroke when setting the material in the press die 60.

The molding die 60 includes a lower press die 61 serving as a product surface, and a vertically movable press upper die 62 engaged with the lower press die 61.

Next, a method for supplying the molding material M using the supply device shown in FIG. 1 will be briefly described with reference to FIG.

First, the molding material M (in this embodiment, the nonwoven fabric is laminated on the surface of the PP composite resin sheet) laminated on the pallet 10 is sucked and held by the charging device 20, and then the positioning device 30 The molding material M is put on the receiving table 31.

Further, after accurate positioning in the front-rear and left-right directions is performed by the positioning device 30, the charging device 20 reciprocates while holding the molding material again by the vacuum chuck portion 23 of the charging device 20. The molding material M is transferred onto the conveyor device 40.

Next, the molding material M is passed through the hot-air heating furnace 50 by the circulation operation of the conveyor device 40, heated to a predetermined temperature, and supplied to the press die 60.

The setting to the press die 60 is performed by the transfer conveyor device 40 entering the press die 60, and the transfer conveyor device 40 moves forward and the net is moved.
The operation speed of the circulation operation of the conveyor 42 is adjusted to substantially the same speed.
The molding material M is set on the mold surface of the lower press die 61 in an inverted state because it is adjusted .

Therefore, if the supply device according to the present invention is used, the molding material M is accurately positioned in the front-rear and left-right directions by the positioning device 30, and the feeding conveyor device 40 enters the press die 60 by the operation of entering. Since the molding material M is automatically set on the mold surface of the press lower die 61 in an inverted state, there is no need for an operator to enter the press die 60 and perform a troublesome setting operation as in the related art. In addition, no net traces appear on the product surface, and the setting operation of the molding material M can be unmanned.

Furthermore, since there is almost no error as compared with the manual setting operation, there is an advantage that the molding cycle is constant and the operation rate is improved.

In addition, since there is no need to lean and set in the press die 60, the safety is excellent, and the worker does not inhale heat, odor, etc. staying in the press die 60. Therefore, it is also preferable in the working environment.

Next, FIG. 3 to FIG. 8 illustrate the operation of the supply device according to the present invention.

First, FIG. 3 shows the holding operation of the molding material M in the charging device 20. The vertical operation cylinder 21 of the charging device 20 operates, the support plate 24 is lowered, and a vacuum suction mechanism (not shown) is used. Vacuum chuck 2
3 suctions the molding material M by vacuum.

Thereafter, the vertical operation cylinder 21 is driven, the piston rod 22 is contracted, and the molding material M is lifted upward. Then, the vertical operation cylinder 21 is moved laterally along the guide rail 25. Then, as shown in FIG. 4, the molding material M is placed on the receiving table 31 of the positioning device 30.

In the positioning device 30, the alignment member 32 having a substantially L-shaped cross section is moved toward the center of the receiving base 31 by the driving of the advance / retreat operation cylinder 33, so that the front and rear of the molding material M Accurate positioning is performed along the left-right direction.

Thereafter, as shown in FIG.
The vertical moving cylinder 21 is driven, the molding material M is again vacuum-held by the vacuum chuck portion 23, and the vertical moving cylinder 21 is moved laterally along the guide rail 25, and the conveying conveyor device 40 is moved. The molding material M is transferred on top.

The molding material M placed on the conveyor 40 is moved by the rotation of the pulley 41 and the net conveyor 42 is circulated. It is heated to a predetermined temperature by the hot air heating furnace 50.

Further, as shown in FIG. 7, the tip of the molding material M falls from the net conveyor 42 to the lower press die 61, and at the same time, the conveyor device 40 enters the press die 60. By adjusting the speed and the circulation speed of the net conveyor 42 to approximately the same level , the press lower die 61
The molding material M can be accurately set in an inverted state so as to be adapted to the mold surface of (1).

After that, when the setting of the molding material M on the press lower die 61 in the inverted state is completed, the conveyor device 40 moves backward to the original position.

As described above, a series of molding materials M can be set in the press die 60 by unmanned operation, which can greatly contribute to labor saving, and an operator leans into the press die 60 and sets it. Since there is no work to perform, it is excellent in terms of safety and does not suck in the hot air of the molding material M or the odor generated during molding, which is preferable in the working environment.

Further, since the molding material M is accurately set in the press die 60, the molding cycle is constant and the operation rate is improved.

[0036]

As described above, the apparatus for supplying a molding material to a press die according to the present invention has the following special effects.

(1) In the molding material molding step, there is an effect that the supply of the molding material can be made unmanned, which can greatly contribute to labor saving.

(2) It is possible to always set the molding material at a fixed position in the press die, so that the convenience of taking the molding material is improved, the molding cycle is also constant, and the operation rate is improved.

(3) Unlike the prior art, it is not necessary for the operator to lean inside the press die and set it, so that the safety is improved and the operator does not inhale heat or odor. This also has the effect of being favorable in the working environment.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing the overall configuration of a supply device according to the present invention.

FIG. 2 is a chart showing steps of supplying a molding material to a press die using the supply device shown in FIG.

FIG. 3 is a sectional view showing the operation of the charging device in the supply device according to the present invention.

FIG. 4 is a sectional view showing the operation of the positioning device in the supply device according to the present invention.

FIG. 5 is a cross-sectional view showing a process of transferring a molding material to a transport conveyor device in the supply device according to the present invention.

FIG. 6 is a cross-sectional view showing a heating process using a hot-air heating furnace in the supply device according to the present invention.

FIG. 7 is a cross-sectional view showing the initial state of the reversal setting of the molding material in the press die in the supply device according to the present invention.

FIG. 8 is a cross-sectional view showing a state when the setting of the molding material in the press die is completed using the supply device according to the present invention.

FIG. 9 is a plan view showing a setting state of a molding material in a conventional press die.

FIG. 10 is a plan view showing a conventional method for supplying a molding material to a press die.

11 is a side view of the supply device shown in FIG.

[Explanation of symbols]

 Reference Signs List 20 charging device 23 vacuum chuck unit 30 positioning device 40 conveyor device 50 hot air heating furnace 60 press die

Claims (1)

(57) [Scope of request for utility model registration] 1. A supply device for a molding material supplied to a press die (60) after heating the molding material (M), wherein the supplying device transfers the molding material (M) to a predetermined position. 20) and a positioning device (3) for positioning the molding material (M) dropped on the receiving table (31) by the charging device (20) by the four-way cylinder (32).
0), the positioned molding material (M) through a hot-air heating furnace (50), it is configured from a feeding conveyor device for supplying the press mold (60) (40), near the transport
The bare device (40) moves forward and backward with respect to the press die (60).
And the net conveyor (42) can be circulated.
Yes, molding material set on net conveyor (42)
Conveyor system (40) at the end of circulation of material (M)
Moves forward to the closest position of the press mold (60),
Forward speed of the conveyor device (40)
At the same speed as the circulation speed of the bear (42).
Conveyor device by moving forward and circulating
From (40), the molding material (M) is placed on a press die (60).
An apparatus for supplying a molding material to a press die, wherein the apparatus is supplied in an inverted state .