CN219563922U - PU foaming mould with blank holder mechanism - Google Patents

Abstract

The utility model discloses a PU foaming mold with a blank holder mechanism, which comprises a bottom mold and an upper mold, wherein a hydraulic lifting mechanism is arranged between the bottom mold and the upper mold, a support frame is fixedly connected to the right side of the bottom mold, a hydraulic cylinder is rotatably connected to the inner side of the support frame through a pin shaft, a hydraulic rod is arranged on the surface of the hydraulic cylinder, a blank holder is fixedly connected to the surface of a connecting plate, a penetrating groove is formed in the surface of the blank holder, the top end of the hydraulic rod is rotatably connected to the lower surface of the blank holder through the pin shaft, and a heating component and a cooling component are respectively arranged in the blank holder. Through setting up heating element, utilize temperature controller and heater strip, can heat pressing the frame, through heat conduction, can make die block and last mould temperature rise to the adhesion of being convenient for melts at the die block, go up the mould and press wax dirt on frame surface, cleans the die block, goes up the mould and presses the frame through the rag, can clear away wax dirt, thereby provides convenience for the clearance work of wax dirt.

Description

PU foaming mould with blank holder mechanism

Technical Field

The utility model relates to the technical field of foaming molds, in particular to a PU foaming mold with a blank holder mechanism.

Background

The foaming mold is a plastic foaming mold. Directly filling the foaming resin into a mould, heating and melting the foaming resin to form a gas-liquid saturated solution, forming a large number of micro-foam cores through nucleation, and growing the foam cores to prepare the foam plastic part.

Through retrieving discovery CN204546888U, a PU foaming utensil subassembly and blank holder mechanism thereof, PU foaming mould subassembly includes mould and die block, is equipped with blank holder mechanism on the die block, presses the mechanism to wrap up the pressure frame that utilizes the butyl to compress tightly corresponding P epidermis on the die block and form airtight space between die block and PU epidermis, presses the frame transmission to be connected with and is used for driving its open and shut actuating mechanism that opens and shuts. When the PU epidermis is laid on the die block and before the castable, the PU epidermis is tightly pressed on the die block through the frame pressing, a closed space is formed between the die block and the PU epidermis, vacuumizing is completed before the castable is poured, and the product qualification rate is guaranteed.

There are some problems and disadvantages in use: some foaming moulds can smear red wax on the inner surfaces of a bottom mould and an upper mould in the production process, after the temperature is cooled, wax scale is easy to adhere to the surfaces of a frame, the bottom mould and the upper mould, and the wax scale is tightly adhered to the surfaces of the moulds, so that the cleaning of the wax scale is very inconvenient.

Disclosure of Invention

The utility model aims to provide a PU foaming mold with a blank holder mechanism, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

preferably, a PU foaming mould with blank holder constructs, including die block and last mould, be provided with hydraulic lifting mechanism between die block and the last mould, the right side fixedly connected with support frame of die block, the fixed surface of support frame is connected with the backup pad, the surface of backup pad is connected with the connecting plate through the round pin axle rotation, the inboard of support frame is connected with the pneumatic cylinder through the round pin axle rotation, the surface of pneumatic cylinder is provided with the hydraulic stem, the fixed surface of connecting plate is connected with presses the frame, the surface of pressing the frame has been seted up and has been run through the groove to the top of hydraulic stem is rotated the lower surface of connection at pressing the frame through the round pin axle, the inside of pressing the frame is provided with heating element and cooling assembly respectively.

Preferably, the hydraulic lifting mechanism comprises four hydraulic lifting rods, one ends of the four hydraulic lifting rods are fixedly connected to the side face of the bottom die, and the other ends of the four hydraulic lifting rods are fixedly connected to the side face of the upper die.

Preferably, the heating assembly comprises a heating wire and a temperature controller which are embedded in the pressing frame, and the heating wire is electrically connected with the temperature controller.

Preferably, the surface of the hydraulic rod is provided with a temperature display screen and an adjusting button, and the temperature display screen is electrically connected with the temperature controller.

Preferably, the cooling component comprises a cooling pipeline, the cooling pipeline is embedded in the frame and located on the outer side of the heating wire, a water inlet is formed in one end of the cooling pipeline, and a water outlet is formed in the other end of the cooling pipeline.

Preferably, a square pressing plate is arranged on the inner side of the through groove.

Advantageous effects

The utility model provides a PU foaming mold with a blank holder mechanism, which has the following beneficial effects:

1. this PU foaming mould with blank holder mechanism utilizes temperature controller and heater strip through setting up heating element, can heat pressing the frame, through heat conduction, can make die block and last mould temperature rise to be convenient for the adhesion melt at the die block, go up the wax dirt on die block and pressing the frame surface, clean the die block, go up the die block and press the frame through the rag, can clear away the wax dirt, thereby provide convenience for the clearance work of wax dirt.

2. This PU foaming mould with blank holder mechanism utilizes the flexible of hydraulic stem through setting up pneumatic cylinder, hydraulic stem, connecting plate backup pad and support frame, can realize pressing the opening and closing of frame, utilizes the clamp plate that returns simultaneously, can increase the area of contact of pressing frame and PU mould to effectively avoided leaking the emergence, it is convenient to have provided for production work, has reduced unnecessary trouble.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a press frame in a top-down view;

fig. 3 is a schematic top view of the press frame of the present utility model.

In the figure: 1. a bottom die; 2. an upper die; 3. a hydraulic lifting mechanism; 4. a support frame; 5. a support plate; 6. a connecting plate; 7. a hydraulic cylinder; 8. a hydraulic rod; 9. pressing a frame; 10. a heating assembly; 11. a cooling component; 12. a heating wire; 13. a temperature controller; 14. a temperature display screen; 15. an adjustment button; 16. a cooling pipeline; 17. a water inlet; 18. a water outlet; 19. a clip-shaped pressing plate;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a PU foaming mould with blank holder mechanism, including die block 1 and last mould 2, be provided with hydraulic lifting mechanism 3 between die block 1 and the last mould 2, die block 1's right side fixedly connected with support frame 4, the fixed surface of support frame 4 has backup pad 5, the surface of backup pad 5 is connected with connecting plate 6 through the round pin axle rotation, the inboard of support frame 4 is connected with pneumatic cylinder 7 through the round pin axle rotation, the surface of pneumatic cylinder 7 is provided with hydraulic stem 8, the fixed surface of connecting plate 6 is connected with presses frame 9, the surface of pressing frame 9 has been seted up and has been run through the groove, and the top of hydraulic stem 8 is through the lower surface of round pin axle rotation connection at pressing frame 9, the inside of pressing frame 9 is provided with heating element 10 and cooling module 11 respectively.

The hydraulic lifting mechanism 3 comprises four hydraulic lifting rods, one ends of the four hydraulic lifting rods are fixedly connected to the side face of the bottom die 1, and the other ends of the four hydraulic lifting rods are fixedly connected to the side face of the upper die 2.

The heating assembly 10 comprises a heating wire 12 and a temperature controller 13 which are embedded in the pressing frame 9, and the heating wire 12 is electrically connected with the temperature controller 13.

Through setting up heating element 10, utilize temperature controller 13 and heater strip 12, can heat pressing frame 9, through heat conduction, can make die block 1 and go up mould 2 temperature rise to the adhesion of being convenient for melts at die block 1, go up mould 2 and pressing frame 9 surface's wax dirt, cleans die block 1, goes up mould 2 and pressing frame 9 through the rag, can clear away wax dirt, thereby provides convenience for wax dirt's clearance work.

The surface of the hydraulic rod 8 is provided with a temperature display screen 14 and an adjusting button 15, the temperature display screen 14 is electrically connected with the temperature controller 13, the heating temperature can be conveniently observed by arranging the temperature display screen 14, and the temperature can be adjusted by the adjusting button 15.

The cooling assembly 11 comprises a cooling pipeline 16, the cooling pipeline 16 is embedded in the pressing frame 9 and located on the outer side of the heating wire 12, a water inlet 17 is formed in one end of the cooling pipeline 16, and a water outlet 18 is formed in the other end of the cooling pipeline 16.

By arranging the cooling component 11, condensed water is led in through the water inlet 17, and is discharged from the water outlet 18 after being circulated through the cooling pipeline 16, the die can be cooled, so that the die can quickly enter a working state.

A return-shaped pressure plate 19 is arranged inside the through groove.

Through setting up pneumatic cylinder 7, hydraulic stem 8, connecting plate 6 backup pad 5 and support frame 4, utilize the flexible of hydraulic stem 8, can realize pressing frame 9 opening and closure, utilize back shape clamp plate 19 simultaneously, can increase the area of contact of pressing frame 9 and PU mould to effectively avoided leaking the emergence, provided convenience for production work, reduced unnecessary trouble.

Working principle: when this PU foaming mould with blank holder mechanism need wash red wax after the production is accomplished, through shrink hydraulic stem 8 and hydraulic lifting rod, can make press frame 9 and last mould 2 close in proper order, then control temperature controller 13 through adjusting button 15, utilize heater strip 12 to heat press frame 9, after press frame 9 heats to certain temperature, the wax dirt that adheres to on die block 1, press frame 9 and last mould 2 surfaces is convenient for melt, wipe die block 1 through the rag, go up mould 2 and press frame 9, can clear away the wax dirt, thereby for the clearance work of wax dirt provides convenience, after the clearance is accomplished, through pouring the comdenstion water from water inlet 17, after cooling pipeline 16 circulation, follow delivery port 18 and discharge, can cool down to whole mould.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. PU foaming mould with blank holder mechanism, including die block (1) and last mould (2), its characterized in that: be provided with hydraulic lifting mechanism (3) between die block (1) and last mould (2), right side fixedly connected with support frame (4) of die block (1), the fixed surface of support frame (4) is connected with backup pad (5) through the round pin axle rotation, the surface of backup pad (5) is connected with connecting plate (6), the inboard of support frame (4) is connected with pneumatic cylinder (7) through the round pin axle rotation, the surface of pneumatic cylinder (7) is provided with hydraulic stem (8), the fixed surface of connecting plate (6) is connected with presses frame (9), the surface of pressing frame (9) has been seted up and has been run through the groove, and the top of hydraulic stem (8) is connected at the lower surface of pressing frame (9) through the round pin axle rotation, the inside of pressing frame (9) is provided with heating element (10) and cooling subassembly (11) respectively.

2. The PU foam mold with the edge pressing mechanism of claim 1, wherein: the hydraulic lifting mechanism (3) comprises four hydraulic lifting rods, one ends of the four hydraulic lifting rods are fixedly connected to the side face of the bottom die (1), and the other ends of the four hydraulic lifting rods are fixedly connected to the side face of the upper die (2).

3. The PU foam mold with the edge pressing mechanism of claim 1, wherein: the heating assembly (10) comprises a heating wire (12) and a temperature controller (13) which are embedded in the pressing frame (9), and the heating wire (12) is electrically connected with the temperature controller (13).

4. A PU foam mold with a beading mechanism according to claim 3, characterized in that: the surface of the hydraulic rod (8) is provided with a temperature display screen (14) and an adjusting button (15), and the temperature display screen (14) is electrically connected with a temperature controller (13).

5. The PU foam mold with the edge pressing mechanism of claim 1, wherein: the cooling assembly (11) comprises a cooling pipeline (16), the cooling pipeline (16) is embedded in the frame (9) and located on the outer side of the heating wire (12), a water inlet (17) is formed in one end of the cooling pipeline (16), and a water outlet (18) is formed in the other end of the cooling pipeline (16).

6. The PU foam mold with the edge pressing mechanism of claim 1, wherein: the inner side of the through groove is provided with a square pressing plate (19).