CN217993309U

CN217993309U - Injection mold for printer internal parts

Info

Publication number: CN217993309U
Application number: CN202220937129.5U
Authority: CN
Inventors: 苏洪伟
Original assignee: Qingdao Haichuang Precision Mould Co ltd
Current assignee: Qingdao Haichuang Precision Mould Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-12-09
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses an injection mold for printer interior parts, correspond cope match-plate pattern and the lower bolster that sets up including from top to bottom, rotate in the lower bolster install with motor output end fixed connection's driving shaft, short yoke slip cap is established and is connected with long frame, has seted up in the lower bolster with the communicating regulation chamber in die cavity, and the activity of long frame fixedly connected with extends to the montant in adjusting the chamber, the piston that fixedly connected with and die tank bottom opening activity offset on the montant, set up in the lower bolster with adjust the communicating ventilation hole in chamber. The male die block slides into the female die groove, injection molding is carried out from the injection molding hole, injection molding flows into a cavity formed by the male die block and the female die groove, and the mold is cooled and molded in the cavity. The piston moves downwards in the adjusting cavity, the vent hole is communicated with the die cavity, air pressure in the die cavity is adjusted, then the upper die plate is separated from the lower die plate, the piston moves upwards in the adjusting cavity, the piston ejects the model out of the die cavity, and demolding operation is completed.

Description

Injection mold for printer internal parts

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold for printer interior parts.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing injection mold needs cooling forming after injection molding operation, the model is different from the outside, the pressure in the injection mold is different from the outside, so that the model is difficult to demold without the help of tools, subsequent work efficiency is influenced, if the model is demolded forcibly, the outer surface of the model is easy to damage, the model cannot be used, the rejection rate in production is increased, and much economic loss is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the injection mold in the prior art is difficult to the drawing of patterns, and the injection mold for printer internal part who provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

an injection mold for internal accessories of a printer comprises an upper template and a lower template which are arranged in a vertically corresponding manner, wherein a fixing groove is formed in the lower template, a fixing rod matched with the fixing groove is integrally connected to the upper template, a concave mold groove is formed in the lower template, a convex mold block matched with the concave mold groove is integrally connected to the upper template, and an injection molding hole is formed in the upper template;

fixed mounting has the motor in the lower bolster, rotate in the lower bolster install with motor output fixed connection's driving shaft, fixed cover is equipped with the disc on the driving shaft, it is connected with the traction lever to rotate on the disc, integrated into one piece has short yoke on the traction lever, short yoke slip cap is established and is connected with long frame, set up in the lower bolster with the communicating regulation chamber in die cavity, the montant in long frame fixedly connected with activity extends to the regulation chamber, the piston that fixedly connected with and die tank bottom end opening activity offset on the montant, set up in the lower bolster with adjust the communicating ventilation hole in chamber.

Preferably, the fixing rod is movably sleeved in the fixing groove, and the male module is movably sleeved in the female mold groove.

Preferably, the injection molding hole penetrates through the male die block, and the injection molding hole is movably communicated with the female die groove through the male die block.

Preferably, the drawbar is eccentrically disposed and the short yoke is connected to the lower end of the drawbar remote from the disc.

Preferably, the adjusting cavity is arranged at a position below the female die groove, and the adjusting cavity is communicated with an opening at the bottom end of the female die groove.

Preferably, the piston is connected with the upper end position of the vertical rod extending into the adjusting cavity, and the connecting port of the vent hole and the adjusting cavity is movably abutted against the piston.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses an in putting into the fixed slot with the dead lever, on the lower bolster was placed to the cope match-plate pattern, the convex mould piece slided the die groove this moment in, again from the hole of moulding plastics the operation of moulding plastics, in the cavity that flows into convex mould piece and die groove formation, the model cooling shaping in the cavity.

2. The utility model discloses a piston downstream in adjusting the chamber communicates with each other ventilation hole and die cavity, and then adjusts the atmospheric pressure in the die cavity, lets the model break away from in the die cavity easily, later with the template from the lower bolster, lets the piston upward movement in adjusting the chamber, in the piston is with the ejecting die cavity of model, and then accomplishes the drawing of patterns operation.

To sum up, the utility model discloses a slide the convex mould piece to the die groove in, follow the hole of moulding plastics again and mould plastics the operation, mould plastics and flow in the cavity that convex mould piece and die groove formed, the model cooling shaping in the cavity. The piston moves downwards in the adjusting cavity, the vent hole is communicated with the die cavity, air pressure in the die cavity is adjusted, the model is separated from the die cavity easily, the upper die plate is separated from the lower die plate, the piston moves upwards in the adjusting cavity, the model is ejected out of the die cavity by the piston, and the model is taken out completely from the die cavity.

Drawings

Fig. 1 is a schematic structural view of an injection mold for internal parts of a printer according to the present invention;

fig. 2 is an enlarged schematic view of a part a of the injection mold for internal accessories of a printer according to the present invention;

fig. 3 is a cross-sectional side view of the injection mold for internal parts of a printer according to the present invention.

In the figure: 1 lower template, 2 upper templates, 3 fixed slots, 4 fixed rods, 5 convex modules, 6 concave mould slots, 7 injection moulding holes, 8 motors, 9 driving shafts, 10 discs, 11 traction rods, 12 short yokes, 13 long frames, 14 adjusting cavities, 15 vertical rods, 16 pistons and 17 vent holes.

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.

Referring to fig. 1-3, an injection mold for internal parts of a printer comprises an upper template 2 and a lower template 1 which are arranged up and down correspondingly, wherein a fixing groove 3 is formed in the lower template 1, a fixing rod 4 matched with the fixing groove 3 is integrally connected to the upper template 2, a female mold groove 6 is formed in the lower template 1, a male mold block 5 matched with the female mold groove 6 is integrally connected to the upper template 2, an injection hole 7 is formed in the upper template 2, injection molding is injected into a cavity formed by the male mold block 5 and the female mold groove 6, and the mold is cooled and formed in the cavity;

the lower template 1 is fixedly provided with a motor 8, the motor 8 can select a servo motor with the product model of MHME-102S1, a driving shaft 9 fixedly connected with the output end of the motor 8 is rotatably arranged in the lower template 1, a disc 10 is fixedly sleeved on the driving shaft 9, a traction rod 11 is rotatably connected to the disc 10, a short yoke 12 is integrally formed on the traction rod 11, the short yoke 12 is slidably sleeved with a long frame 13, the long frame 13 can deflect under the traction action of the short yoke 12, meanwhile, a through hole for penetrating through the sleeved long frame 13 is formed in the bottom end of the adjusting cavity 14, the long frame 13 can only reciprocate in the vertical direction, the lower template 1 is provided with an adjusting cavity 14 communicated with the concave die groove 6, the long frame 13 is fixedly connected with a vertical rod 15 movably extending into the adjusting cavity 14, a piston 16 movably abutted against the bottom opening of the concave die groove 6 is fixedly connected to the vertical rod 15, the short yoke 12 drives the long frame 13 to move up and down, the height of the piston 16 is further adjusted to help the demolding, and a vent hole 17 communicated with the adjusting cavity 14 is formed in the lower template 1.

The fixing rod 4 is movably sleeved in the fixing groove 3, the convex module 5 is movably sleeved in the concave die groove 6, and the upper die plate 2 and the lower die plate 1 are combined together through connection between the fixing rod 4 and the fixing groove 3.

The injection molding hole 7 penetrates through the male die block 5, the injection molding hole 7 is movably communicated with the female die groove 6 through the male die block 5, injection molding is performed through the injection molding hole 7 into a cavity formed by the male die block 5 and the female die groove 6, and the cavity is cooled to form a model.

The draw bar 11 is eccentrically arranged, the short yoke 12 is connected with the lower end of the draw bar 11 far away from the disc 10, the draw bar 11 drives the short yoke 12 to rotate, and the short yoke 12 drives the piston 16 to move up and down.

The adjusting cavity 14 is arranged at the position below the female die groove 6, the adjusting cavity 14 is communicated with an opening at the bottom end of the female die groove 6, and the piston 16 moves upwards to eject the model out of the female die groove 6.

Piston 16 and montant 15 extend to the upper end position in adjusting the chamber 14 and link to each other, and ventilation hole 17 and adjusting 14 connection port of chamber are balanced with the piston 16 activity, through adjusting piston 16 downstream, communicate with each other die cavity 6 with the external world, and the air accessible ventilation hole 17 of external world gets into in die cavity 6 to the atmospheric pressure condition that realizes cavity and external space keeps level, helps the model to demold easily.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

placing the fixing rod 4 into the fixing groove 3, placing the upper template 2 onto the lower template 1, sliding the male mold block 5 into the female mold groove 6, performing injection molding operation from the injection molding hole 7, enabling the injection molding to flow into a cavity formed by the male mold block 5 and the female mold groove 6, and then waiting for cooling molding of the mold;

secondly, after the model is formed, the output end of the motor 8 drives the driving shaft 9 to rotate, the driving shaft 9 drives the disc 10 to rotate, the disc 10 drives the traction rod 11 to rotate, the traction rod 11 drives the short yoke 12 to move together, the short yoke 12 slides in the long frame 13 and drives the long frame 13 to move up and down, the long frame 13 drives the vertical rod 15 to move together, and the vertical rod 15 drives the piston 16 to move up and down in the adjusting cavity 14;

when the model is separated from the die groove 6, the piston 16 moves downwards in the adjusting cavity 14 to communicate the vent hole 17 with the die groove 6, so that the air pressure in the die groove 6 is adjusted to enable the model to be easily separated from the die groove 6, then the upper template 2 is taken away from the lower template 1, the piston 16 moves upwards in the adjusting cavity 14, and the piston 16 ejects the model out of the die groove 6, so that the demolding operation is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An injection mold for internal accessories of a printer comprises an upper template (2) and a lower template (1) which are arranged up and down correspondingly, and is characterized in that a fixing groove (3) is formed in the lower template (1), a fixing rod (4) matched with the fixing groove (3) is integrally connected to the upper template (2), a female mold groove (6) is formed in the lower template (1), a male mold block (5) matched with the female mold groove (6) is integrally connected to the upper template (2), and an injection molding hole (7) is formed in the upper template (2);

fixed mounting has motor (8) in lower bolster (1), rotate in lower bolster (1) and install driving shaft (9) with motor (8) output fixed connection, fixed cover is equipped with disc (10) on driving shaft (9), it is connected with traction lever (11) to rotate on disc (10), integrated into one piece has short yoke (12) on traction lever (11), short yoke (12) slip cap is established and is connected with long frame (13), it adjusts chamber (14) with die groove (6) communicating to have seted up in lower bolster (1), long frame (13) fixedly connected with activity extends to montant (15) in adjusting chamber (14), piston (16) that fixedly connected with offseted with die groove (6) bottom opening activity on montant (15), open up in lower bolster (1) and be equipped with and adjust communicating ventilation hole (17) of chamber (14).

2. The injection mold for printer interior parts as claimed in claim 1, wherein the fixing rod (4) is movably sleeved in the fixing groove (3), and the male mold block (5) is movably sleeved in the female mold groove (6).

3. An injection mold for printer internal fittings according to claim 2, characterized in that the injection hole (7) penetrates through the male mold block (5), and the injection hole (7) is movably communicated with the female mold groove (6) through the male mold block (5).

4. An injection mould for printer internal fittings according to claim 1, characterized in that the draw bar (11) is eccentrically arranged and that a short yoke (12) is connected to the lower end of the draw bar (11) remote from the disc (10).

5. An injection mold for printer internal parts according to claim 4, characterized in that the adjusting cavity (14) is provided at a position below the cavity (6), and the adjusting cavity (14) is communicated with the bottom opening of the cavity (6).

6. An injection mold for printer internal fittings according to claim 5, characterized in that the piston (16) is connected with the vertical rod (15) at the upper end position extending into the adjusting cavity (14), and the connecting port of the vent hole (17) and the adjusting cavity (14) is movably abutted against the piston (16).