JPH07119002B2 - Foam resin product processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention, in a molding machine for manufacturing foamed resin products such as Styrofoam molded products, automatically simplifies the collection and handling of products released from a molding die. The present invention relates to a foamed resin product processing device for.

[Conventional technology]

Generally, in the production of Styrofoam molded products, openable molds are used to pre-expand expandable thermoplastic resin particles (hereinafter, beads), or the pre-expanded foam is filled into the closed mold cavity and then steamed. It is common to inject and heat mold, then cool, open the mold and release it after drying, that is, open the parting surface and perform the detaching work of the mold release from the molding die. there were.

[Problems to be Solved by the Invention]

In this conventional molding operation, the product of the molded product manufactured by the multi-type molding die must be manually handled and collected and adjusted, and it is complicated and time-consuming, and the product is shipped in pieces even after being transported. Alignment work was required and workability was delayed, which was not satisfactory.

In the present invention, these conventional drawbacks are properly excluded, and the handling of batch take-out transfer of a plurality of products separated from the multi-type molding die is automated.
The housing adjustment time can be greatly shortened, and it is easy to handle as a package that can be shipped in a single package.It is easy to handle, and it is easy to handle. To do.

[Means for solving problems]

The present invention is a molding apparatus in which a pair of molding dies of a male mold and a female mold or a female mold are arranged to face each other so as to be openable and closable, and a product receiving and holding member for holding a product peeled and extruded from the molding dies is molded. An extruding mechanism for horizontally moving between a position of the opening surface of the die and a product accumulating table on which the product is to be stocked and for extruding the product of the product receiving and holding member moved on the product accumulating table. In the foamed resin product processing device including the above, the product receiving and holding member (20) has a plurality of products M.
A plurality of supporting rods (23) forming intervals for pushing each product M are provided in a receiving frame body (22) for inserting and supporting each of them, and arms extending on both sides of the receiving frame body (22) are respectively provided. It is meshed with the rack (27) of the support frame (28) on the product stacking base (30) via the pinion (26) that rotates with the forward / reverse rotation motor (25), and at the horizontal height position on the column (19). Is provided so as to be adjustable, and an automatic carry-out mechanism including an extruding mechanism for the products loaded on the product stacking table is provided.

[Action]

In this Styrofoam molded product processing equipment,
When the raw material (beads) is filled in the cavities in 1 and 2 and heated, it becomes a molded product due to the foaming gas pressure of the beads,
The opening and closing operation of the molding die is adjusted by controlling the drive unit that drives and drives the molding die, and the opening and closing work of the molding die is optimally performed under ideal conditions to safely and efficiently manufacture the Styrofoam molded product. It can be carried out.

After the molding die is opened, the product M exfoliated and extruded from the molding die with an eject pin or the like moves to the opening surface of the die, that is, the parting surface position, and is pushed into the waiting product receiving / holding member 20 to support the product. When clamped by the elastic clamps 24, 24, the product receiving and holding member 20 moves along the rack 27 and stops on the product stacking table 30. Next, the product M is extracted on the stacking table 30 by the extrusion plate extruded by the cylinder of the extrusion mechanism 40, the products are sequentially stacked, and the product M in the next product extrusion mechanism 51 is placed on the unloading mechanism 50 while being aligned. While pushing and pushing to repeatedly carry the product M, the product M is introduced and introduced into a drying chamber (not shown) to effectively carry out hot air drying, and the product M is transported to the outside of the drying chamber to be air-cooled and the product is cooled. It can be efficiently collected, and it is moved by pushing it in a neat state with a gap without needing to obtain it, and the product M can be carried out and shipped outside the system so that the molded product can be automatically collected and handled, and efficient shipping work is possible. Can be done safely.

It should be noted that the product receiving and holding member 20 can be set to the optimum position by adjusting the gap according to the size of the product M, and the carriage can be moved to adjust the gap between the product receiving and holding member 20 and the molding die. Is.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. 1 to 6. A pair of molding dies 1 and 2 of a male mold, a female mold or a female mold are attached to a parting surface 1.
A device for forming a cavity in a mold by opening and closing so as to be openable and closable at 0, and molding a product by filling the cavity with a raw material and heat-foaming the mold. _1, 2 ₂ to form, respectively provided in the flange portion 1 _1, 2 ₂ frames 4 and 5 the clamping mechanism 3, which can engage and disengage the.

The molding dies 1 and 2 are to be crimped to the mold back plates 11 ₁ and 12 ₁ , respectively, and the support plate 1
The steam / cooling water supply port 13 and the drain discharge port 14 formed in 1 ₁ and 12 ₁ are provided so as to communicate with the steam chambers 11 and 12 of the molding die, and further, the fixed-side molding die 1 is It is convenient for handling to be placed on the roller rail 15 provided on the fixed frame 4 side, and the clamp mechanism 3 is also provided on the fixed frame 4 and the movable frame 5 each having the horizontal parting surface 10. Therefore, it is preferable that the molding dies 1 and 2 are separately and detachably held by the respective clamp mechanisms 3.

The movable molding die 2 is provided in the frame 5 through the mold back plate 12 _1, along the guide column 7 in the frame 5, Yes comprises vertically movably, are elevation operating the drive unit 9 .

For the recovery processing of the product M molded by this molding device,
As shown in FIGS. 10 to 10, a product receiving and holding member 20 for holding a product M extruded from the molding die 1 and released from the molding die 1 is formed in the molding die.
The product M of the product receiving / holding member 20 moved onto the product accumulating base 30 is provided while being movably provided between the opening surface positions 1 and 2 and the product accumulating base 30 on which the product M should be stocked. An automatic unloading device 50 including an extrusion mechanism 40 for delivering and an extrusion mechanism 51 of the product loaded on the product stacking table 30 is provided.

Further, as the product receiving and holding member 20, a plurality of receiving frames 22 for fitting and supporting the products M, and a plurality of intervals which can slide across the receiving frames 22 and push the products M can be formed. Support
An elastic material, such as a leaf spring, a rubber plate, or a synthetic resin plate, having elastic ends 24, 24 for supporting a product, which are free ends, is arranged opposite to the support rod 23, and is provided with a clamp. Alternatively, the receiving frame body 22 is fixed by a stopper 21, and the receiving frame body 22 is horizontally reciprocable, is inserted into and removed from the molding gold opening surface position, and is vertically movable on the product stacking table 30.

The receiving frame 22 of the product receiving / holding member 20 is configured such that a pinion 26 rotated by a forward / reverse rotatable motor 25 is meshed with a rack 27 and is connected to a support frame 28 on the product stacking table 30, or A slider 31 can be reciprocally moved on a rail, and this slider 31 is mounted on a support frame 28 provided on the product stacking table 30, and if necessary, a support frame 28 having the receiving frame body 22 is a supporting member.
It is also possible to slidably fit the column 19 at 29 so that the position can be adjusted. Further, the product stacking table 30 is provided with a product M.
It is equipped with a turntable or displacement mechanism that gives a predetermined rotation angle for each stack, and the product stacking position can be shifted to perform the drying process efficiently, and the carry-out device 50 uses a conveyor 52 driven by a motor and a frame 54. Rail
It comprises a pushing mechanism 51 which moves above 53, and has a mechanism for placing and aligning the product M to be pushed and moving in the product pushing direction.

That is, the parting surface 10 of the molding die is opened, and the product receiving and holding member 20 is moved to the parting surface 10 before the product M is extruded from the molding die by an extrusion mechanism such as an eject pin.
When the mold is opened, the interval between mold openings is automatically detected by a sensor such as a photoelectric switch, and the height of the entrance is automatically set to stand by. Product M is extruded receive frame 22 is retracted from the form to push between支杆23, 23 was set in the memory 23 ₁ on the receiving frame 22 in the following, an extrusion mechanism led to the product stacking base 30 40
Detects the height of the product from the receiving frame 22 and automatically sets the height of the receiving frame on the column 19, and stacks without loading the product M, and the hot air from the drying oven is stacked. It is considered that the products are stacked by giving a predetermined rotation angle to each other so that the products can be penetrated into the inside of the product in a staggered manner. The products M stacked in a predetermined amount are moved to the conveyor 52 side by the extrusion mechanism 51, and then the conveyor.
It is automatically transferred to the next process while being transferred to the drying furnace at 52.

Further, as the automatic carry-out device 50, a chute may be used instead of the product take-out mechanism 20 to introduce the product M onto the conveyor 52. However, when the molding die is replaced, the cart is moved to take out the product. Shift the mechanism 20 to move the molding die 1, 2
It is convenient to create a working space when exchanging the product M, and the automatic unloading device 50 pushes the product M in the product extruding direction through a slider that reciprocates on a rail 53, for example, a guide rod, a guide rail, a chain or other guide members. It may be a type of performing parallel translation at once.

A hydraulic cylinder, an air cylinder, a motor, or other drive unit is selected and used as the member used as the drive unit or cylinder.

In any case, the clamp mechanism 3 is arranged so that a plurality of positions of the flange portions 1 ₁ and 2 ₁ of the molding dies ₁ and 2 can be pressed and fixed or removed by a single operation. Further, the back plates 11 ₁ and 12 ₁ are rectangular plates and serve as a lid for sealing the openings of the steam chambers 11 and 12, and are formed on the frame 4,5 and the opening surfaces of the steam chambers 11 and 12. It is clamped so that it can be pressed and fixed.

In the figure, 60 is a vacuum tank, 61 is a control panel, 62 is steam / cooling water piping, 63 is drain piping, 64 is a valve, and 65 is a sensor that detects the product transportation and controls the drive unit of the unloading mechanism.

In the molding dies 1 and 2, a slow down position for switching the molding dies 2 in the steam chamber 12 on the movable side including the moving frame 5 from the high speed mold closing to the low speed mold closing before the mold closing is completed,
The mold closing completion position, which is a signal to move to the raw material filling process, and when the product is caught between the male mold and the female mold and the mold closing is stopped at low speed or when it does not reach the predetermined position within a certain time,
A position to output an operation signal for dropping the sandwiched product by performing mold opening and an eject position of a position for controlling the timing of pushing down the product in the female mold with an eject pin,
Before the completion of mold opening, the change position to switch from low speed mold opening to high speed mold opening and the mold opening completion position, especially for products with poor mold release, the product is first attached to the male mold. Also, in order to attach the opening product to the female mold and facilitate the mold release by the eject, the position is controlled to control the mold opening interval when performing the catchball-like mold release.

In any case, when the male and female molding dies 1 and 2 are arranged so as to be openable and closable so that they can be molded in-mold, the intervals between the two dies are set to the mold closing completion, cracking, eject, and mold opening. Cylinder that detects completion data with analog sensor and inputs as analog signal, converts into digital signal with A / D converter, compares data with internal fixed data in data processing unit, and moves and drives the molding die or The drive unit such as a motor is controlled to adjust the opening / closing operation of the molding die.

〔The invention's effect〕

According to the present invention, the product receiving / holding member is provided with a plurality of support rods for forming intervals at which the respective products M can be pushed into the receiving frame body in which the plurality of products M are fitted and supported, and extended on both sides of the receiving frame body. The arms are meshed and connected to the racks of the supporting frames on the product stacking table via the pinions that rotate with the forward and reverse rotation motors respectively, and the horizontal height position is adjustable on the columns, and the arms are loaded on the product stacking table. By arranging an automatic unloading mechanism including a product extruding mechanism on the product stacking table, batch sorting of multiple products released from the molding die and automatic multi-type product collection work can be performed automatically without human intervention. The product can be efficiently manufactured without any hindrance to the molding work, and the height position of the receiving frame of the product receiving / holding member is automatically set to stack the products so that no load is applied to the product stacking. Not hurt, mold It is easy to automate the collection of release products without the possibility of polluting or damaging the shaped products, and it is possible to collectively take out and store multiple products, and the shipping work time can be greatly reduced, and the horizontal space can be effectively used. Since work can be performed, stable product transfer, easy handling and high safety,
Product handling work is simplified, the molding cycle is easily adjusted, and the reliability can be significantly improved.

[Brief description of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is an overall front view, FIG. 2 is a plan view thereof, and FIG. 3 is a plan view of a mold portion.
-I line enlarged plan view, FIG. 4 is a vertical cross-sectional view taken along the line II-II of FIG. 3, FIG. 5 is a cut side view taken along the line III-III of FIG. 4, and FIG. Fig. 7 is a plan view of the product receiving and holding member, Fig. 8 is a plan view of its operating state, Fig. 9 is a partial perspective view, and Fig. 10 is an enlarged vertical cross section taken along line IV-IV in Fig. 9. It is a figure. 1, 2 ... Mold, 1 ₁ , 2 ₁ ... Flange part, 3 ... Clamp mechanism, 4,5 ... Frame, 6 ... Brake mechanism, 7 ... Guide post, 8 ... Cracking cylinder, 9 ... Drive part, 10 ... Parting surface, 11, 12 ... Steam chamber, 11 ₁ , 12 ₁ ... Mold back plate, 13 ... Steam / cooling water supply port, 14 ... Drain discharge port,
15 ... Roller rail, 19 ... Strut, 20 ... Product receiving / holding member,
21 ... Stopper, 22 ... Receiving frame, 23 ... Support rod, 24 ... Elastic clamp, 25 ... Motor, 26 ... Pinion, 27 ... Rack, 28 ... Support frame, rack 30 ... Product accumulation stand, 31 ... Slider, 40 … Extrusion mechanism, 50… Unloading device, 51… Extrusion mechanism.

Claims (4)

[Claims] 1. A molding device in which a pair of molding dies (1) and (2) of a male mold and a female mold or female molds are arranged opposite to each other in an openable and closable manner.
The product receiving and holding member (20) for holding the product (M) peeled and extruded from the molding die (2) is provided with the molding die (1).
The product (M) is horizontally movable between the opening surface position (2) and the product stacking table (30) on which the product (M) is to be stocked, and the product receiving and holding is moved to the product stacking table (30). Extrusion mechanism (4) for extruding the product (M) of the member (20)
0) and a foamed resin product processing device, the product receiving and holding member (20) forms a plurality of intervals at which each product M can be pushed into a receiving frame body (22) into which the plurality of products M are fitted and supported. On the product stacking table (30) via the pinion (26), which has a support rod (23) and extends on both sides of the receiving frame (22), which are respectively rotated by forward and reverse rotation motors (25). Of the support frame (28) is meshed with the rack (27), and the horizontal height position of the support (19) is adjustable, and the product pushing mechanism (51) is loaded on the product stacking table.
A foamed resin product processing device characterized in that an automatic carry-out mechanism (50) including the above is arranged on a product accumulation table (30). 2. The receiving frame (22) comprises elastic supporters (24) (24) for supporting products, which are arranged to face each other, and can be reciprocated in a horizontal direction and inserted into a molding die opening surface position. The product processing apparatus according to claim 1, wherein the product processing apparatus is detached and installed so as to be able to move up and down on the product stacking table (30). 3. The product processing apparatus according to claim 1, wherein the product stacking table (30) includes a turntable or a displacement mechanism that gives a predetermined rotation angle for each stack of products. 4. The unloading mechanism (50) comprises a motor-driven conveyor (52) and an extrusion mechanism (51) that moves on a rail (53) via a frame (54) and is extruded. 4. An extrusion mechanism is provided, in which the products to be placed are aligned and arranged so as to be movable in the product extrusion direction.
The described device.