CN219705805U - Damage-proof quick demoulding device - Google Patents

Abstract

The utility model discloses a damage-preventing rapid demoulding device, and in particular relates to the technical field of foam plastic production equipment. According to the utility model, the demolding rods are buffered through the plurality of buffering structures, so that the stress is more uniform when the foam plastic product is demolded, the product is prevented from being damaged and broken during demolding, the inner side and the outer side of the mold are communicated through the air groove, the air flow channel and the air inlet, and the difficulty in demolding caused by air pressure difference is prevented.

Description

Damage-proof quick demoulding device

Technical Field

The utility model relates to the technical field of foam plastic production equipment, in particular to a damage-proof rapid demoulding device.

Background

After the foam plastic product is molded, the finished product needs to be removed from the mold through a demolding device, and the foam plastic product is easy to damage if the surface acting force is too large during demolding due to low strength. In the prior art, a finished product is pushed out of a die through a push rod, and the finished product is easy to damage due to the fact that a larger acting force is needed to be applied to push out due to the action of external air pressure and friction resistance when the finished product is pushed out.

The patent number 201320314053.1, foam plastic molding machine shedder, including drawing of patterns guide arm, drawing of patterns hydro-cylinder, piston rod, drawing of patterns frame and base, the four corners symmetry at the base installs the drawing of patterns guide arm, the drawing of patterns guide arm penetrates on the installation drawing of patterns frame through the uide bushing and is spacing by the screw, installs the drawing of patterns hydro-cylinder in the center of base, in the piston rod of drawing of patterns hydro-cylinder connects the drawing of patterns frame.

Although the above-mentioned scheme can reduce the amount of movement of moving the mould, improve the drawing of patterns speed, but the device is when drawing of patterns, and the top is released, and the interior of fixed mould and outside can't communicate, and the pressure differential leads to the drawing of patterns difficulty easily, and when using a plurality of ejector pins to release, because the atress is unbalanced between each ejector pin, also easily causes the bubble to mould goods and leads to damaging the fracture when drawing of patterns.

Disclosure of Invention

The present utility model is directed to providing a quick release device that is resistant to damage to solve the problems set forth in the background art discussed above.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a quick shedder of protection against damage, includes mould and base, fixed mounting has the guide bar that a plurality of symmetry set up between mould and the base, one side that the mould is close to the base runs through and is equipped with the drawing of patterns pole, the one end of drawing of patterns pole extends to in the mould and fixedly connected with push pedal, one side that the base is close to the mould fixedly mounted with pneumatic cylinder, the piston rod fixedly connected with diaphragm of pneumatic cylinder, one side fixedly connected with fixed column that the diaphragm is close to the mould, the tip fixedly connected with extension board of fixed column, the both ends of extension board all articulate there is the connecting rod, the end of connecting rod articulates mutually with the tip of drawing of patterns pole, the tip of drawing of patterns pole is fixed with the bow plate, the outside cover of drawing of patterns pole is equipped with reset spring.

Further, a guide sleeve which is matched with the outer side of the demoulding rod is arranged on the outer side of the demoulding rod, an air groove is formed between the guide sleeve and the inner wall of the mould, and a sealing plate is arranged at the opening of the air groove.

Further, the two sides of the air groove are provided with symmetrically distributed air flow channels, the tail ends of the air flow channels are connected with air inlets, and the inner sides of the air inlets are fixedly provided with filter screens.

Further, a buffer spring is connected between the support plate and the arched plate, and the buffer spring is compressed in the moving process of the support plate, so that acting of the hydraulic cylinder is stored as elastic potential energy, and the support plate is buffered.

Further, the bar-shaped hole is formed in the middle of the connecting rod along the length direction, the movable shaft is connected in a sliding mode in the bar-shaped hole, the end portion of the movable shaft is hinged to the buffer adjusting rod, the end portion of the buffer adjusting rod penetrates through the transverse plate and is fixedly connected with the limiting plate, and an auxiliary buffer spring is connected between the limiting plate and the transverse plate.

Further, the push plate is of a conical structure, and a conical groove matched with the push plate is formed in the inner wall of the die.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the air groove, the sealing plate, the air flow channel, the air inlet and the filter screen are arranged, when the ejector rod drives the push plate to eject the foam plastic product, the air groove, the air flow channel and the air inlet are communicated with the inside and the outside of the die, so that the difficulty in demolding caused by air pressure difference can be prevented; if the air flow channel is communicated with the external compressed air pipe through the air inlet, the demolding efficiency can be improved by the aid of compressed air, the stress of the foam plastic product during demolding can be more uniform, and the damage during demolding can be reduced;

2. according to the utility model, the transverse plate is driven to move through the hydraulic cylinder during demolding, the transverse plate drives the fixed column and the support plate to move towards the direction of the mold, the buffer spring is compressed in the moving process of the support plate, acting of the hydraulic cylinder is stored as elastic potential energy, so that the support plate is buffered, meanwhile, the arched plate drives the demolding rod to eject out a foam plastic product in the inner cavity of the mold under the action of the connecting rod, the reset spring is compressed, the connecting rod slides in the bar-shaped hole through the moving shaft, the buffer adjusting rod is further driven to move, the buffer adjusting rod compresses the auxiliary buffer spring through the limiting plate, the plurality of demolding rods are further buffered, and the plurality of demolding rods are fixed into a whole through the arched plate, so that stress balance among the plurality of demolding rods is ensured, and the foam plastic product is prevented from being damaged and broken during demolding.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a top cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B in FIG. 2;

in the figure: 1. a mold; 2. a base; 3. a guide rod; 4. a stripper rod; 5. a push plate; 6. a hydraulic cylinder; 7. a cross plate; 8. fixing the column; 9. a support plate; 10. a connecting rod; 11. a cambered plate; 12. a spring; 13. guide sleeve; 14. an air tank; 15. a sealing plate; 16. an air flow channel; 17. an air inlet; 18. a filter screen; 19. a buffer spring; 20. a bar-shaped hole; 21. a movable shaft; 22. a buffer adjusting rod; 23. a limiting plate; 24. and an auxiliary buffer spring.

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. 1-4, the utility model provides a quick demolding device capable of preventing damage, which comprises a mold 1 and a base 2, wherein a plurality of symmetrically arranged guide rods 3 are fixedly arranged between the mold 1 and the base 2, a demolding rod 4 is fixedly arranged on one side, close to the base 2, of the mold 1, an adaptive guide sleeve 13 is arranged on the outer side of the demolding rod 4, an air groove 14 is arranged between the guide sleeve 13 and the inner wall of the mold 1, a sealing plate 15 is arranged at the opening of the air groove 14, symmetrically distributed air flow channels 16 are arranged on two sides of the air groove 14, the tail ends of the air flow channels 16 are connected with an air inlet 17, a filter screen 18 is fixedly arranged on the inner side of the air inlet 17, one end of the demolding rod 4 extends into the mold 1 and is fixedly connected with a push plate 5, a hydraulic cylinder 6 is fixedly arranged on one side, close to the mold 1, of the base 2, a transverse plate 7 is fixedly connected with a fixing column 8, the end of the fixing column 8 is fixedly connected with a supporting plate 9, two ends of the supporting plate 9 are respectively hinged with a connecting rod 10, and the end of the demolding rod 4 is fixedly connected with a reset rod 11.

In a preferred embodiment, a buffer spring 19 is connected between the support plate 9 and the arched plate 11, and the buffer spring 19 is compressed during the movement of the support plate 9, so as to store the work of the hydraulic cylinder 6 as elastic potential energy, thereby buffering the support plate 9.

In a preferred embodiment, a bar-shaped hole 20 is formed in the middle of the connecting rod 10 along the length direction, a moving shaft 21 is slidably connected in the bar-shaped hole 20, a buffer adjusting rod 22 is hinged to the end portion of the moving shaft 21, the end portion of the buffer adjusting rod 22 penetrates through the transverse plate 7 and is fixedly connected with a limiting plate 23, and an auxiliary buffer spring 24 is connected between the limiting plate 23 and the transverse plate 7.

In a preferred embodiment, the push plate 5 has a conical structure, and the inner wall of the mold 1 is provided with a conical groove adapted to the push plate 5, so that the contact area between the push plate 5 and the foam plastic product can be effectively increased, and the safety during demolding is improved.

The working principle of the utility model is as follows: during demolding, the transverse plate 7 is driven to move by the hydraulic cylinder 6, the transverse plate 7 then drives the fixed column 8 and the support plate 9 to move towards the mold 1, at the moment, the buffer spring 19 is compressed in the moving process of the support plate 9, acting of the hydraulic cylinder 6 is stored into elastic potential energy, so that the support plate 9 is buffered, meanwhile, the bow-shaped plate 11 drives the demolding rod 4 to eject a foam plastic product in the inner cavity of the mold 1 under the action of the connecting rod 10, at the moment, the reset spring 12 is compressed, the connecting rod 10 slides in the strip-shaped hole 20 through the moving shaft 21, the buffer adjusting rod 22 is driven to move, the buffer adjusting rod 22 compresses the auxiliary buffer spring 24 through the limiting plate 23, the plurality of demolding rods 4 are further buffered, and the plurality of demolding rods 4 are fixed into a whole through the bow-shaped plate 11, so that stress balance among the plurality of demolding rods 4 is ensured, and the foam plastic product is prevented from being damaged and broken during demolding; the inside and the outside of the mold 1 are communicated through the air groove 14, the air flow channel 16 and the air inlet, so that the difficulty in demolding caused by air pressure difference can be prevented; if the air flow channel 16 is communicated with the external compressed air pipe through the air inlet 17, the demolding efficiency can be improved by the aid of compressed air, the stress is more uniform when the foam plastic product is demolded, and the damage during demolding is reduced.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Quick shedder of protection against damage, including mould (1) and base (2), its characterized in that: the mold is characterized in that a plurality of symmetrically arranged guide rods (3) are fixedly arranged between the mold (1) and the base (2), one side of the mold (1) close to the base (2) is penetrated and provided with a demolding rod (4), one end of the demolding rod (4) extends into the mold (1) and is fixedly connected with a push plate (5), one side of the base (2) close to the mold (1) is fixedly provided with a hydraulic cylinder (6), a transverse plate (7) is fixedly connected with a piston rod of the hydraulic cylinder (6), one side of the transverse plate (7) close to the mold (1) is fixedly connected with a fixing column (8), the end parts of the fixing columns (8) are fixedly connected with a support plate (9), two ends of the support plate (9) are hinged with connecting rods (10), the tail ends of the connecting rods (10) are hinged with the end parts of the demolding rod (4), the end parts of the demolding rod (4) are fixedly provided with bow-shaped plates (11), and the outer sides of the demolding rod (4) are sleeved with reset springs (12).

2. The tamper-resistant quick release device of claim 1, wherein: the outer side of the demoulding rod (4) is provided with a guide sleeve (13) which is matched with the outer side, an air groove (14) is arranged between the guide sleeve (13) and the inner wall of the mould (1), and a sealing plate (15) is arranged at the opening of the air groove (14).

3. The tamper-resistant quick release device of claim 2, wherein: the two sides of the air groove (14) are provided with symmetrically distributed air flow channels (16), the tail ends of the air flow channels (16) are connected with air inlets (17), and filter screens (18) are fixedly arranged on the inner sides of the air inlets (17).

4. The tamper-resistant quick release device of claim 1, wherein: a buffer spring (19) is connected between the support plate (9) and the cambered plate (11).

5. The tamper-resistant quick release device of claim 1, wherein: the middle part of connecting rod (10) has seted up bar hole (20) along length direction, sliding connection has movable shaft (21) in bar hole (20), the tip of movable shaft (21) articulates has buffering regulation pole (22), the tip of buffering regulation pole (22) runs through diaphragm (7) and fixedly connected with limiting plate (23), be connected with supplementary buffer spring (24) between limiting plate (23) and diaphragm (7).

6. The tamper-resistant quick release device of claim 1, wherein: the push plate (5) is of a conical structure, and a conical groove matched with the push plate (5) is formed in the inner wall of the die (1).