Self-ejection type oxygen mask demolding mold

Abstract

The utility model discloses a self-ejection type oxygen mask demoulding mould which comprises a base, an upper mould and a material taking device, the upper surface of the base is provided with a first lower mould, the base is provided with a second lower mould through a first air cylinder, the second lower mould sleeves the first lower mould, the upper mould is located above the first lower mould, and the material taking device is located above the upper mould. The upper die is connected with the second lower die in a sliding mode through a positioning rod, the upper die is provided with a sealing plate, and the material taking device is installed on the base. When the oxygen mask is demoulded, the first air cylinder jacks the second lower mould to move upwards, the second lower mould drives the oxygen mask to be separated from the first lower mould, then air is sent to the position below the oxygen mask through the connector, the oxygen mask is jacked and loosened through the air, the splicing area of the first lower mould and the second lower mould is large, and the gap problem can be effectively controlled; the molded oxygen mask does not have the burr problem, the oxygen mask does not need to be cut, and the quality and production efficiency of the oxygen mask can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen mask manufacturing technical field, concretely is a self -ejection oxygen mask stripping mould. BACKGROUND

[0002] Oxygen mask is obtained by high pressure injection of melted plastic by injection molding machine into injection mold groove, then extrusion setting, after cooling solidification. In order to facilitate the oxygen mask, the mold usually adopts gas ejection oxygen mask.

[0003] In the related art, through retrieval, it is found that the scheme of a kind of easy stripping mould for oxygen mask production (publication number CN216860497U) is separated by control cylinder to drive air hole plug and air hole, then high-pressure air is drawn into air hole inside by high-pressure air pump, and pressure is applied to the formed piece by using high-pressure gas, which facilitates stripping of the formed piece.

[0004] However, the above scheme ejects oxygen mask by air injection through air hole, although air hole is blocked by air hole plug, but air hole still has influence on the surface quality of oxygen mask, resulting in burr on the surface of oxygen mask, and subsequent oxygen mask needs to be trimmed, and air ejection oxygen mask can only be stripped, and staff needs to take out oxygen mask. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a self-ejection oxygen mask stripping mould to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a self-ejection oxygen mask stripping mould, comprising a base, a first lower mold is arranged on the upper surface of the base, a second lower mold is installed on the base through a first cylinder, and the second lower mold covers the first lower mold;

[0007] An upper mold is located above the first lower mold, the upper mold is slidably connected to the second lower mold through a positioning rod, and the upper mold is provided with a sealing plate to reduce the burr problem of oxygen mask, avoid unnecessary trimming work and improve the production efficiency of oxygen mask.

[0008] A material taking device is installed on the base, the second lower mold is lifted on the first cylinder to separate the oxygen mask from the first lower mold, the oxygen mask in the second lower mold is taken down by the material taking device, manual taking of oxygen mask is not needed, and the production efficiency of oxygen mask is improved.

[0009] Further, the first lower mold is internally provided with a first forming cavity, the second lower mold is provided with a second forming cavity spliced with the first forming cavity, the sealing plate is provided with a forming block, when plastic is injected between the first forming cavity and the second forming cavity and the forming block, the plastic is cooled to become an oxygen mask, the first forming cavity and the second forming cavity have a large splicing area, and the burr problem is not prone to occur.

[0010] Further, the second lower mold is provided with a connecting head mounted on the side, the connecting head is communicated with the second forming cavity, the oxygen mask can be loosened by high-pressure gas, the oxygen mask is more quickly taken down, and the bonding problem is prevented.

[0011] Further, the material taking device comprises a material taking mechanism, the material taking mechanism is connected with a fixing plate, a suction cup is mounted on the fixing plate, the material taking mechanism comprises a second air cylinder and a pneumatic motor, the fixing plate is connected with the pneumatic motor, the suction cup is connected with a sleeve, the sleeve penetrates through the fixing plate, and the suction cup is provided with a corrugated sleeve, the flexibility of the suction cup is improved, the suction cup is beneficial to stably suck the oxygen mask, and the oxygen mask is ensured to be smoothly taken down.

[0012] Compared with the prior art, the oxygen mask demolding device has the following beneficial effects:

[0013] (1) When the oxygen mask is demolded, the first air cylinder pushes up the second lower mold to move up, the second lower mold drives the oxygen mask to separate from the first lower mold, then air is sent into the lower part of the oxygen mask through the connecting head, the oxygen mask is loosened by air, the first lower mold and the second lower mold have a large splicing area, the gap problem can be effectively controlled, the formed oxygen mask will not have the burr problem, the oxygen mask does not need to be cut and repaired, and the quality and production efficiency of the oxygen mask are improved.

[0014] (2) The pneumatic motor controls the suction cup to move to the upper part of the oxygen mask through the fixing plate, the second air cylinder controls the suction cup to move down to contact the oxygen mask, the oxygen mask is sucked by negative pressure, and the oxygen mask is automatically taken out by the pneumatic motor and the second air cylinder, so that manual operation is not needed, and unnecessary manual operation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic structural view of the whole utility model;

[0016] Figure 2 It is a sectional view of the connection between the first lower mold and the second lower mold of the utility model;

[0017] Figure 3 It is a schematic view of the separation of the first lower mold and the second lower mold of the utility model;

[0018] Figure 4 It is a schematic view of the connection between the fixing plate and the sleeve of the utility model;

[0019] Figure 5The utility model discloses a corrugated sleeve and suction cup connection's schematic view.

[0020] In the drawing: 1, base; 2, first lower mould; 3, first air cylinder; 4, second lower mould; 5, sliding bearing; 6, positioning rod; 7, upper mould; 8, sealing plate; 9, forming block; 10, connecting head; 11, second air cylinder; 12, pneumatic motor; 13, first forming cavity; 14, second forming cavity; 15, sleeve; 16, corrugated sleeve; 17, suction cup; 18, fixed plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a self-ejecting oxygen mask stripping die, including base 1, the upper surface of the base 1 is equipped with first lower mould 2, the base 1 is installed with second lower mould 4 on by first air cylinder 3, the second lower mould 4 is covered first lower mould 2, first lower mould 2 and second lower mould 4 splice, it is convenient to separate first lower mould 2 and second lower mould 4, using second lower mould 4 drives oxygen mask to move up, realizes the half stripping of oxygen mask;

[0024] Upper mould 7, the upper mould 7 is located above first lower mould 2, the upper mould 7 is slidably connected with second lower mould 4 by positioning rod 6, the upper mould 7 is equipped with sealing plate 8, when the upper mould 7 is combined with second lower mould 4, sealing plate 8 can reduce gap, prevent oxygen mask from appearing burr problem, improve the quality of oxygen mask;

[0025] Material taking device, the material taking device is installed on base 1, first air cylinder 3 is on top second lower mould 4 to make oxygen mask separate from first lower mould 2, material taking device takes down the oxygen mask in second lower mould 4, realizes automatic operation, reduces manual intervention, to improve production efficiency, can automatically place oxygen mask to specified position.

[0026] In the embodiment, as shown in Figure 1 The second lower mould 4 is installed with sliding bearing 5, the positioning rod 6 is inserted into the inside of sliding bearing 5, and sliding bearing 5 reduces the friction between the positioning rod 6 and the second lower mould 4, to ensure that the mold can still be accurately combined for long-term use.

[0027] In the embodiment, as shown in Figure 2 AndFigure 3 As shown in the drawings, the first lower mold 2 is internally provided with a first forming cavity 13, the second lower mold 4 is provided with a second forming cavity 14 spliced with the first forming cavity 13, and the sealing plate 8 is provided with a forming block 9, which cooperates with the first forming cavity 13 and the second forming cavity 14 to realize the forming of the oxygen mask. When the first lower mold 2 and the second lower mold 4 are spliced, the contact area is large, which ensures good sealing and avoids the problem of burr.

[0028] In this embodiment, as shown in the drawings, Figure 2 and Figure 3 The second lower mold 4 is provided with a connecting head 10 on the side, which is communicated with the second forming cavity 14. When the first lower mold 2 and the second lower mold 4 are separated, air is sent into the space between the first lower mold 2 and the second lower mold 4 through the connecting head 10, so that the oxygen mask is separated from the second lower mold 4.

[0029] In this embodiment, as shown in the drawings, Figure 1 and Figure 4 The material taking device includes a material taking mechanism, and the material taking mechanism is connected with a fixed plate 18, and the fixed plate 18 is provided with a suction cup 17. The suction cup 17 can automatically suck the oxygen mask by cooperating with a negative pressure device, so that the oxygen mask can be automatically taken conveniently.

[0030] In this embodiment, as shown in the drawings, Figure 1 and Figure 4 The material taking mechanism includes a second air cylinder 11 and a pneumatic motor 12, the fixed plate 18 is connected with the pneumatic motor 12, the second air cylinder 11 controls the lifting of the suction cup 17, and the pneumatic motor 12 realizes the rotation of the suction cup 17, so that the suction cup 17 can be taken out and placed.

[0031] In this embodiment, as shown in the drawings, Figure 1 and Figure 4 The suction cup 17 is connected with a sleeve 15, the sleeve 15 penetrates through the fixed plate 18, and the suction cup 17 is provided with a corrugated sleeve 16. The corrugated sleeve 16 enables the suction cup 17 to be inclined flexibly, so that the suction cup 17 can be in contact with the oxygen mask and can stably suck the oxygen mask.

[0032] Specifically, in use, after the oxygen mask is formed in the first forming cavity 13 and the second forming cavity 14, the upper mold 7 is separated from the second lower mold 4, then the first air cylinder 3 lifts the second lower mold 4, as shown in the drawings, Figure 3 The second lower mold 4 drives the oxygen mask to move upward and separate from the first lower mold 2. At this time, compressed air is sent into the space between the first lower mold 2 and the second lower mold 4 through the connecting head 10, so that the oxygen mask is separated from the second lower mold 4 by the air;

[0033] Then the pneumatic motor 12 drives the suction cup 17 to rotate through the fixed plate 18, so that the suction cup 17 moves above the second forming cavity 14, the second pneumatic cylinder 11 controls the suction cup 17 to move down, the suction cup 17 is contacted with the oxygen mask through the corrugated sleeve 16, the negative pressure equipment makes the suction cup 17 suck the oxygen mask through the sleeve pipe 15, and the pneumatic motor 12 cooperates with the second pneumatic cylinder 11 to automatically take out the oxygen mask from the second forming cavity 14.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A self-ejecting oxygen mask demolding mold characterized by, Include: Base (1), the base (1) upper surface is equipped with the first lower die (2), the base (1) is installed with the second lower die (4) through the first air cylinder (3), the second lower die (4) covers the first lower die (2); Upper die (7), the upper die (7) is located above the first lower die (2), the upper die (7) is slid with the second lower die (4) through the positioning rod (6), the upper die (7) is equipped with sealing plate (8); Material taking device, the material taking device is installed on the base (1), the first air cylinder (3) is on the second lower die (4) to make the oxygen mask separate from the first lower die (2), the material taking device takes off the oxygen mask in the second lower die (4).

2. A self-ejecting oxygen mask demolding mold according to claim 1, characterized in that: The second lower die (4) is installed with sliding bearing (5), the positioning rod (6) is inserted into the inside of sliding bearing (5).

3. A self-ejecting oxygen mask demolding mold according to claim 1, characterized in that: The first lower die (2) is equipped with the first forming cavity (13) inside, the second lower die (4) is equipped with the second forming cavity (14) spliced with the first forming cavity (13), the sealing plate (8) is equipped with forming block (9).

4. A self-ejecting oxygen mask demolding mold according to claim 3, characterized in that: The second lower die (4) side is installed with connector (10), the connector (10) is communicated with the second forming cavity (14).

5. A self-ejecting oxygen mask demolding mold according to claim 1, characterized in that: The material taking device includes material taking mechanism, the material taking mechanism is connected with fixed plate (18), the fixed plate (18) is installed with suction cup (17).

6. A self-ejecting oxygen mask demolding mold according to claim 5, characterized in that: The material taking mechanism includes second air cylinder (11) and pneumatic motor (12), the fixed plate (18) is connected with pneumatic motor (12).

7. A self-ejecting oxygen mask demolding mold according to claim 5, characterized in that: The suction cup (17) is connected with sleeve (15), the sleeve (15) passes through the fixed plate (18).

8. A self-ejecting oxygen mask demolding mold according to claim 5, characterized in that: The suction cup (17) is equipped with corrugated sleeve (16).

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