CN214605609U - Plastic mould of projecting apparatus production usefulness - Google Patents

Abstract

The utility model discloses a plastic mould of projecting apparatus production usefulness relates to mould technical field, including the movable mould, the inside of movable mould is provided with the mouth of moulding plastics, and the bottom mounting of movable mould has the locating pin, the below of movable mould is provided with the cover half, and the inner wall of cover half has seted up the locating hole, the inside of cover half is provided with the die cavity, and the inboard of die cavity is provided with the heat-conducting plate, the inboard of heat-conducting plate is fixed with the trachea, and tracheal top installs the shower nozzle, tracheal one side is connected with the air pump, and the below of air pump is located the inside of movable mould and is provided with the horizontal pole, the bottom of horizontal pole is provided with the rack. The utility model discloses a set up horizontal pole, wedge, No. two wedges, gear, rack, hand wheel, roof and limiting plate, effectively solved the plastic mould and had the inconvenient problem of taking out of mould, through setting up trachea, shower nozzle and air pump, effectively solved the problem that lacks high-efficient cooling device.

Description

Plastic mould of projecting apparatus production usefulness

Technical Field

The utility model relates to the technical field of mold, specifically be a plastic mould of projecting apparatus production usefulness.

Background

The projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto a shadow screen, the projector is widely applied to public occasions such as families, offices, schools, entertainment places and the like at present to achieve the purpose of information sharing, the shell of the projector can play a role in protecting the internal parts of the projector, the projector is prevented from colliding with the projector and can also play a role in heat dissipation, the shell of the projector on the market at present has a metal shell and a plastic shell, most of the plastic shells are formed by injection molding through molds, hot mold pressing is also used for forming, the plastic shells are produced in an injection molding mode, the production speed is high, and meanwhile, the product quality is also high.

After the existing plastic mold for producing the projector is produced, because the mold is attached to the inner wall of the injection molding bin too tightly, an operator cannot take out the mold quickly, the use is inconvenient, and the production efficiency is influenced; secondly, the plastic mould of current projecting apparatus production usefulness needs an efficient cooling device, carries out quick cooling to the mould of accomplishing of moulding plastics and stereotypes to avoid the mould to warp.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the existing plastic mold for projector production has the defects that the mold is inconvenient to take out and a high-efficiency cooling device is lacked, the plastic mold for projector production is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic mould for producing a projector comprises a movable mould, wherein an injection molding opening is arranged inside the movable mould, a positioning pin is fixed at the bottom end of the movable die, a fixed die is arranged below the movable die, a positioning hole is formed in the inner wall of the fixed die, a cavity is formed in the fixed die, a heat conducting plate is arranged on the inner side of the cavity, an air pipe is fixed on the inner side of the heat conducting plate, a spray head is arranged at the top end of the air pipe, an air pump is connected with one side of the air pipe, a cross bar is arranged below the air pump and inside the fixed die, a gear rack is arranged at the bottom end of the cross bar, a gear is arranged on the inner side of the cross rod, one end of the gear is connected with a hand wheel, a second wedge-shaped block is fixed on one side of the cross rod, and one side of No. two wedge blocks is provided with a wedge block, the top of a wedge block is fixed with the roof that links to each other with the die cavity bottom, and one side of a wedge block is provided with the limiting plate of fixing mutually with the roof.

Preferably, the outer wall of the positioning pin is matched with the inner wall of the positioning hole, and the injection molding port is connected with external injection molding equipment.

Preferably, the number of the spray heads is multiple, and one side of the air pump is connected with external cooling equipment.

Preferably, the hand wheel is rotatably connected with the gear through a connecting shaft, and the cross rod moves under the meshing action of the gear rack and the gear.

Preferably, the spray head is duckbill in shape.

Preferably, the inclined surface of the second wedge block is matched with the inclined surface of the first wedge block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up horizontal pole, No. one wedge, No. two wedges, the gear, the rack bar, the hand wheel, roof and limiting plate, when needs take out fashioned mould, through rotating the hand wheel, make the hand wheel drive the gear rotation, the rack bar drives the horizontal pole and moves under the rotation of gear, the horizontal pole promotes No. two wedges and moves to No. one wedge bottom afterwards, No. one wedge moves upwards under the effect of limiting plate, the roof makes the mould of die cavity inside ejecting a take the altitude under the jacking effect of No. one wedge this moment, thereby the operating personnel of being convenient for takes out the mould, the inconvenient problem of taking out of mould of plastic mould existence has effectively been solved;

2. the utility model discloses a set up the trachea, shower nozzle and air pump, after the completion of moulding plastics, the heat-conducting plate can be earlier with in the inside heat conduction of die cavity to the heat-conducting plate, start the air pump afterwards, the cold wind suction of the input port of air pump in with external cooling device, afterwards the air pump passes through output port and carries cold wind to the trachea, the shower nozzle that is located the trachea top blows the cold wind in with the trachea to the heat-conducting plate surface, because shower nozzle duckbilled type, consequently shower nozzle spun cold wind cross section is great, wind speed and wind pressure are also great, can realize the rapid cooling to the heat-conducting plate, thereby realize the rapid cooling shaping to die cavity mould, the problem that lacks high-efficient cooling device has effectively been solved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross bar connection diagram of the present invention;

FIG. 3 is a view of the structure of the nozzle of the present invention;

fig. 4 is a partial enlarged view of the position a of the present invention.

In the figure: 1. moving the mold; 2. an injection molding port; 3. positioning pins; 4. fixing a mold; 5. positioning holes; 6. a cavity; 7. a heat conducting plate; 8. an air tube; 9. a spray head; 10. an air pump; 11. a cross bar; 12. a gear rack; 13. a gear; 14. a hand wheel; 15. a top plate; 16. a first wedge block; 17. a limiting plate; 18. a second wedge block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

The air pump (YB-307) mentioned in the utility model can be ordered in the market or private.

Referring to fig. 1-4, a plastic mold for producing a projector comprises a movable mold 1, an injection port 2 is arranged inside the movable mold 1, a positioning pin 3 is fixed at the bottom end of the movable mold 1, a fixed mold 4 is arranged below the movable mold 1, a positioning hole 5 is arranged on the inner wall of the fixed mold 4, a cavity 6 is arranged inside the fixed mold 4, a heat conducting plate 7 is arranged inside the cavity 6, an air pipe 8 is fixed inside the heat conducting plate 7, a nozzle 9 is arranged at the top end of the air pipe 8, an air pump 10 is connected to one side of the air pipe 8, a cross rod 11 is arranged below the air pump 10 and inside the fixed mold 4, a rack 12 is arranged at the bottom end of the cross rod 11, a gear 13 is arranged inside the cross rod 11, a hand wheel 14 is connected to one end of the gear 13, a second wedge block 18 is fixed at one side of the cross rod 11, a first wedge block 16 is arranged at one side of the second wedge block 18, a top plate 15 connected to the bottom end of the cavity 6 is fixed at the top end of the first wedge block 16, and a limit plate 17 fixed with the top plate 15 is arranged on one side of the first wedge block 16.

Please refer to fig. 1, the outer wall of the positioning pin 3 is engaged with the inner wall of the positioning hole 5, and the injection port 2 is connected to the external injection molding equipment, so that the positioning pin 3 and the positioning hole 5 can position the movable mold 1 and the fixed mold 4, and the injection port 2 can perform the injection molding operation on the cavity 6.

Please refer to fig. 1, the number of the nozzles 9 is plural, and one side of the air pump 10 is connected to an external cooling device, so that the plural groups of nozzles 9 can efficiently cool the cold air.

Please refer to fig. 2, the hand wheel 14 is rotatably connected to the gear 13 through a connecting shaft, and the cross rod 11 moves through the engagement between the gear rack 12 and the gear 13, so that the hand wheel 14 drives the gear 13 to rotate, and the gear 13 drives the gear rack 12 to move and simultaneously the cross rod 11 moves.

Referring to fig. 3, the nozzle 9 is shaped like a duckbill, so that the nozzle 9 can spray cold air with larger cross section and stronger air pressure and flow velocity.

Please refer to fig. 4, the inclined surface of the second wedge block 18 is matched with the inclined surface of the first wedge block 16, so that the second wedge block 18 can lift the first wedge block 16.

The working principle is as follows: firstly, the movable die 1 is pressed with the fixed die 4 through the positioning pin 3 and the positioning hole 5 by external equipment, then injection molding operation to the cavity 6 is realized through the injection molding equipment and the injection molding port 2, after injection molding is completed, the heat inside the cavity 6 is firstly conducted to the heat conducting plate 7 by the heat conducting plate 7, then the air pump 10 is started, the cold air in the external cooling equipment is pumped in by the input port of the air pump 10, then the cold air is conveyed to the air pipe 8 by the air pump 10 through the output port, the cold air in the air pipe 8 is blown to the surface of the heat conducting plate 7 by the nozzle 9 positioned at the top end of the air pipe 8, because the nozzle 9 is of duckbilled shape, the cross section of the cold air sprayed by the nozzle 9 is larger, the air speed and the air pressure are also larger, quick cooling of the heat conducting plate 7 can be realized, thereby quick cooling molding of the die in the cavity 6 is realized, when the molded die needs to be taken out, through rotating hand wheel 14 for hand wheel 14 drives gear 13 and rotates, and gear rack 12 drives horizontal pole 11 and removes under gear 13's rotation, and horizontal pole 11 promotes No. two wedge 18 and removes to 16 bottoms of a wedge afterwards, and a wedge 16 is under limiting plate 17's effect, upward movement, and roof 15 is under 16 jacking effects of a wedge this moment for the inside mould of die cavity 6 is ejecting by a take-off altitude, thereby is convenient for operating personnel to take out the mould.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a plastic mould of projecting apparatus production usefulness, includes movable mould (1), its characterized in that: the injection molding device is characterized in that an injection molding opening (2) is formed in the movable mold (1), a positioning pin (3) is fixed at the bottom end of the movable mold (1), a fixed mold (4) is arranged below the movable mold (1), positioning holes (5) are formed in the inner wall of the fixed mold (4), a cavity (6) is formed in the fixed mold (4), a heat conducting plate (7) is arranged on the inner side of the cavity (6), a gas pipe (8) is fixed on the inner side of the heat conducting plate (7), a spray head (9) is installed at the top end of the gas pipe (8), one side of the gas pipe (8) is connected with a gas pump (10), a transverse rod (11) is arranged in the fixed mold (4) below the gas pump (10), a gear strip (12) is arranged at the bottom end of the transverse rod (11), a gear (13) is installed on the inner side of the transverse rod (11), and a hand wheel (14) is connected with one end of the gear (13), one side of horizontal pole (11) is fixed with No. two wedge (18), and one side of No. two wedge (18) is provided with a wedge (16), the top of a wedge (16) is fixed with roof (15) that link to each other with die cavity (6) bottom, and one side of a wedge (16) is provided with limiting plate (17) fixed mutually with roof (15).

2. The plastic mold for producing projector according to claim 1, wherein: the outer wall of the positioning pin (3) is matched with the inner wall of the positioning hole (5), and the injection molding port (2) is connected with external injection molding equipment.

3. The plastic mold for producing projector according to claim 1, wherein: the number of the spray heads (9) is multiple, and one side of the air pump (10) is connected with external cooling equipment.

4. The plastic mold for producing projector according to claim 1, wherein: the hand wheel (14) is rotationally connected with the gear (13) through a connecting shaft, and the cross rod (11) moves under the meshing action of the gear rack (12) and the gear (13).

5. The plastic mold for producing projector according to claim 1, wherein: the spray head (9) is duckbilled.

6. The plastic mold for producing projector according to claim 1, wherein: the inclined surface of the second wedge-shaped block (18) is matched with the inclined surface of the first wedge-shaped block (16).

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