CN211334364U - Injection mold for paper pressing plate of printer - Google Patents

Abstract

The utility model discloses a paper pressing plate injection mold of a printer, which comprises a lower mold body and an upper mold body, wherein the upper mold body is arranged at the upper end of the lower mold body, long screws penetrate through the left and right ends of the upper mold body, the upper end of each long screw is provided with a fixed hand disc, the fixed hand discs can be reversely rotated after the mold is injection molded, so that the long screws can continuously slide upwards under the rotation of screw threads, at the moment, the external screw thread on the circumferential outer wall of the lower end of the long screw gradually breaks away from the internal screw thread on the circumferential inner wall of the upper end of the lower mold body and starts to be screwed with the internal screw thread on the circumferential inner wall of the lower end of the upper mold body, when the external screw thread on the circumferential outer wall of the lower end of the long screw is broken away from the internal screw thread on the circumferential inner wall of the lower mold body, the long screw can be upwards pushed under, therefore, the effect of quickly removing the mold can be achieved, the mold removing time is shortened, and the forming efficiency is accelerated.

Description

Injection mold for paper pressing plate of printer

Technical Field

The utility model belongs to the technical field of the printer nipper injection moulding is relevant, concretely relates to printer nipper injection mold.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. Wherein the common tool of the molding method is the mold. The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The existing injection mold technology for the paper pressing plate of the printer has the following problems: the mould need be right before moulding plastics, and it is fixed to accomplish between the upper and lower die body, thereby carry out injection-moulded on next step, and traditional printer nipper injection mold's upper and lower die body is fixed comparatively complicated, thereby need consume some time, and after fixed completion, flow some hot melt materials easily in the gap between the upper and lower die body, thereby influence the shaping quality, after cooling shaping, be difficult for separately between the upper and lower die body, need consume physical power, influence mould's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printer nipper injection mold to solve the fixed difficult separately problem of flowing out between some hot melt material, the cooling forming back about in the gap comparatively complicated, between the upper and lower die body of the traditional printer nipper injection mold's that proposes in the above-mentioned background art upper and lower die body.

In order to achieve the above object, the utility model provides a following technical scheme: a printer platen injection mold comprises a lower mold body and an upper mold body, wherein the upper mold body is installed at the upper end of the lower mold body, long screws penetrate through the inner parts of the left end and the right end of the upper mold body, a fixed hand disc is arranged at the upper end of each long screw, a limiting baffle ring is arranged on the outer wall of the circumference of each long screw on the upper side of the upper mold body, injection molding pipe orifices are arranged on the outer walls of the upper ends of the left side and the right side of the upper mold body, an upper mold liner is arranged inside the lower end of the upper mold liner, an upper mold injection molding inner cavity is arranged inside the upper mold liner, a rubber gasket is arranged between the opposite inner walls of the lower mold body and the upper mold body, compression chambers are arranged inside the left end and the right end of the lower mold body, compression springs are connected onto the inner walls of the bottom ends of the compression chambers, pushing and pushing sliders, and the inner walls of the rubber gaskets on the outer sides of the upper die inner container and the lower die inner container are connected with plugging rings.

Preferably, the upper die inner container and the lower die inner container are respectively fixedly embedded in the opposite inner walls of the upper die body and the lower die body, and the cross sectional areas of the upper die inner container and the lower die inner container are the same.

Preferably, the lower end of the long screw vertically penetrates through the upper die body and is fixed inside the upper end of the compression chamber.

Preferably, the outer circumferential wall of the long screw rod close to the lower end is provided with an external thread, the inner circumferential walls of the upper ends of the left side and the right side of the lower die body are provided with internal threads, the external thread on the outer circumferential wall of the long screw rod is screwed with the internal thread on the inner circumferential wall of the lower die body, and the external threads and the internal threads are the same in vertical length.

Preferably, the rubber gasket is fixedly wound on the outer side of the lower die inner container, and the peripheral inner wall of the lower end of the plugging ring is attached to the peripheral outer wall of the upper end of the lower die inner container.

Preferably, the limiting blocking ring is fixed on the outer wall of the circumference of the upper end of the long screw rod in a welding mode, and the limiting blocking ring and the circle center of the long screw rod are vertically arranged on the same straight line.

Compared with the existing printer nipper injection mold technology, the utility model provides a printer nipper injection mold possesses following beneficial effect:

1. the utility model adds the long screw rods at the left and right ends of the upper die body, the external thread is arranged on the circumference outer wall of the long screw rod close to the lower end, the internal thread which is mutually screwed with the external thread on the long screw rod is arranged on the circumference inner walls at the left and right sides of the upper die body and the lower die body, the external thread on the circumference outer wall at the lower end of the long screw rod is mutually screwed with the internal thread on the circumference inner wall of the lower die body by rotating the fixed hand disc at the upper end of the long screw rod before injection molding, the upper die body and the lower die body can gradually shrink to be close under the block of the limit stop ring, at the moment, the rubber gasket between the upper die body and the lower die body is pressed to expand towards the inner and outer sides, thereby the inner blocking ring can be tightly attached on the outer walls of the upper die inner container and the lower die inner container, the, forming relatively sealed injection molding space in the upper mold body and the lower mold body;

2. the utility model discloses can be through the fixed hand dish of reverse rotation after mould injection moulding, make the long screw rod constantly upwards slide under the screw rotation, external screw thread on the long screw rod lower extreme circumference outer wall breaks away from gradually and goes up internal thread on the internal wall of mould body upper end circumference and close to the spiral shell on the internal wall of last mould body lower extreme circumference, and when external screw thread on the long screw rod lower extreme circumference outer wall and the internal thread on the internal wall of lower mould body circumference were accomplished and is broken away from, can upwards promote the long screw rod under compression spring's elasticity promotion, because the lower extreme of long screw rod still closes with lower mould body lower extreme inner wall mutually, thereby can upwards push up the mould body, thereby can reach the effect of quick form removal, shorten the form removal time, accelerate the shaping efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a platen injection mold of a printer according to the present invention;

fig. 2 is a schematic view of the internal structure of the upper mold body provided by the present invention;

fig. 3 is a schematic view of the internal structure of the lower mold body according to the present invention;

fig. 4 is a schematic view of a connection structure of the plugging ring provided by the present invention;

in the figure: 1. a lower die body; 2. feeding a mold body; 3. a long screw; 4. fixing a hand disc; 5. a limit stop ring; 6. an upper die inner container; 7. injecting a pipe orifice; 8. an upper die is used for injection molding of an inner cavity; 9. a rubber gasket; 10. pushing and pressing the slide block; 11. a compression spring; 12. a compression chamber; 13. a lower die inner container; 14. the lower die is used for injection molding an inner cavity; 15. and (6) plugging rings.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold for a paper pressing plate of a printer comprises a lower mold body 1 and an upper mold body 2, wherein the upper mold body 2 is installed at the upper end of the lower mold body 1, long screws 3 penetrate through the insides of the left end and the right end of the upper mold body 2, external threads are arranged on the circumferential outer wall of the long screw 3 close to the lower end, internal threads are arranged on the circumferential inner walls of the left end and the right end of the lower mold body 1, the external threads on the circumferential outer wall of the long screw 3 are mutually screwed with the internal threads on the circumferential inner wall of the lower mold body 1, the vertical length of the external threads is the same, meanwhile, internal threads which are mutually screwed with the external threads on the circumferential outer wall of the long screw 3 are also arranged on the circumferential inner walls of the left end and the right end of the upper mold body 2, a fixing hand disc 4 at the upper end of the long screw 3 is, make the inside of upper die body 2 and lower die body 1 form the space of moulding plastics of relative seal, through fixed palm 4 of antiport after the mould shaping, make long screw 3 constantly upwards slide under the screw thread rotation, the external screw thread on the outer wall of long screw 3 lower extreme circumference begins to thread with the internal thread on the inner wall of upper die body 2 lower extreme circumference to the spiral shell, and when the external screw thread on the outer wall of long screw 3 lower extreme circumference was accomplished to break away from with the internal thread on the inner wall of lower die body 1 circumference, can upwards promote long screw 3 under compression spring 11's elasticity promotion, because the lower extreme of long screw 3 still threads mutually with lower die body 1 lower extreme inner wall, thereby can upwards push up upper die body 2, thereby reach the effect of quick form removal.

A printer platen injection mold comprises a fixed hand disc 4 arranged at the upper end of a long screw 3, a limit stop ring 5 arranged on the outer circumferential wall of the long screw 3 at the upper side of an upper mold body 2, the limit stop ring 5 fixed on the outer circumferential wall of the upper end of the long screw 3 in a welding mode, the limit stop ring 5 and the circle center of the long screw 3 are vertically aligned, the distance between an upper mold body 2 and a lower mold body 1 is gradually reduced under the blocking of the limit stop ring 5 by rotating the fixed hand disc 4 because the external thread on the outer circumferential wall of the lower end of the long screw 3 is screwed with the internal thread on the inner circumferential wall of the lower mold body 1, so that the long screw 3 slides downwards continuously, the upper mold body 2 and the lower mold body 1 are fixed and closed, injection molding orifices 7 are arranged on the outer walls at the upper ends of the left side and the right side of the upper mold body 2, an upper mold inner container 6 is arranged, an upper mold injection cavity 8 is arranged inside the upper mold liner 6, a rubber gasket 9 is arranged between the opposite inner walls of the lower mold body 1 and the upper mold body 2, compression chambers 12 are arranged inside the left end and the right end of the lower mold body 1, the lower end of a long screw rod 3 vertically penetrates through the upper mold body 2 and is fixed inside the upper end of the compression chamber 12, so that the distance between the upper mold body 2 and the lower mold body 1 is continuously reduced, the compression chambers are mutually extruded and fixed, the upper mold injection cavity 8 and the lower mold injection cavity 14 inside the upper mold body 2 and the lower mold body 1 are approximate to a sealing state, the injection process is completed, a compression spring 11 is connected on the inner wall at the bottom end of the compression chamber 12, the upper end of the compression spring 11 is connected with a pushing and pressing slide block 10, a lower mold liner 13 is arranged inside the upper end of the lower mold body 1, the upper mold liner 6 and the lower mold liner 13 are respectively, after the upper die body 2 and the lower die body 1 are vertically aligned and fixed, the upper die inner container 6 and the lower die inner container 13 on the upper die body 2 and the lower die body 1 can be folded up and down, the upper die injection inner cavity 8 and the lower die injection inner cavity 14 are spliced to form a forming die inner cavity, and the injection molding pipe orifices 7 on the outer walls of the upper ends of the left side and the right side of the upper die body 2 and the upper die injection inner cavity 8 are kept in a communicated state, so that injection molding materials after hot melting can be injected into the injection molding pipe orifices 7, and the upper die injection inner cavity 8 and the lower die injection inner cavity.

A paper pressing plate injection mold of a printer comprises a lower mold inner container 13, wherein a lower mold injection inner cavity 14 is arranged inside the lower mold inner container 13, a plugging ring 15 is connected to the inner wall of a rubber gasket 9 outside an upper mold inner container 6 and the lower mold inner container 13, the rubber gasket 9 is fixedly wound outside the lower mold inner container 13, the inner wall of the periphery of the lower end of the plugging ring 15 is attached to the outer wall of the periphery of the upper end of the lower mold inner container 13, before injection molding, a fixed hand disc 4 on the upper end of a long screw 3 is rotated, so that external threads on the outer wall of the circumference of the lower end of the long screw 3 are screwed with internal threads on the inner wall of the circumference of a lower mold body 1, after an upper mold body 2 and a lower mold body 1 are contracted to a short distance, the upper mold body 2 and the lower mold body 1 are mutually extruded, the rubber gasket 9 is pressed to expand towards the, the hot melt material is prevented from flowing out from the gap between the upper mold body 2 and the lower mold body 1 during the injection molding.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel mold is mainly formed by combining an upper mold body 2 and a lower mold body 1, when the upper mold body 2 and the lower mold body 1 are aligned and fixed up and down, an upper mold liner 6 and a lower mold liner 13 on the upper mold body 2 and the lower mold body 1 can be folded up and down, an upper mold injection inner cavity 8 and a lower mold injection inner cavity 14 are spliced to form a forming mold inner cavity, because injection nozzles 7 on the outer walls of the upper ends of the left side and the right side of the upper mold body 2 are communicated with the upper mold injection inner cavity 8, so that injection molding materials after hot melting can be injected into the injection nozzles 7, the upper mold injection inner cavity 8 and the lower mold injection inner cavity 14 jointly complete mold forming, the distance between the upper mold body 2 and the lower mold body 1 can be gradually reduced by rotating fixed hand plates 4 on both sides before injection, thereby fixing between the upper mold body 2 and the lower mold body 1 is completed, the fixed hand disc 4 can be rotated reversely, the upper mold body 2 can be pushed upwards under the pushing of the elastic force of the compression spring 11 at the bottom of the compression chamber 12, and therefore the upper mold body 2 and the lower mold body 1 can be separated easily.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a printer nipper injection mold, includes die body (1) and last die body (2) down, its characterized in that: the upper die body (2) is arranged at the upper end of the lower die body (1), a long screw (3) penetrates through the inner parts of the left end and the right end of the upper die body (2), a fixed hand disc (4) is arranged at the upper end of the long screw (3), a limit stop ring (5) is arranged on the circumferential outer wall of the long screw (3) at the upper side of the upper die body (2), an injection molding pipe orifice (7) is arranged on the outer wall of the upper end of the left side and the right side of the upper die body (2), an upper die inner container (6) is arranged in the lower end of the upper die body (2), an upper die injection molding inner cavity (8) is arranged in the upper die inner container (6), a rubber gasket (9) is arranged between the inner walls of the lower die body (1) and the upper die body (2), compression chambers (12) are arranged in the left end and the right end of the lower die body (, the upper end of compression spring (11) is connected with and bulldozes slider (10), the inside lower mould inner bag (13) that is provided with in upper end of lower die body (1), the inside of lower mould inner bag (13) is provided with lower mould inner chamber (14) of moulding plastics, be connected with shutoff ring (15) on last mould inner bag (6) and the rubber packing ring (9) inner wall in lower mould inner bag (13) outside.

2. The platen injection mold for a printer according to claim 1, wherein: the upper die inner container (6) and the lower die inner container (13) are fixedly embedded in the opposite inner walls of the upper die body (2) and the lower die body (1) respectively, and the cross sectional areas of the upper die inner container (6) and the lower die inner container (13) are the same.

3. The platen injection mold for a printer according to claim 1, wherein: the lower end of the long screw rod (3) vertically penetrates through the upper die body (2) and is fixed in the upper end of the compression chamber (12).

4. The platen injection mold for a printer according to claim 1, wherein: the long screw (3) is provided with external threads on the circumferential outer wall close to the lower end, internal threads are arranged on the circumferential inner walls of the upper ends of the left side and the right side of the lower die body (1), the external threads on the circumferential outer wall of the long screw (3) are screwed with the internal threads on the circumferential inner wall of the lower die body (1) in a mutual screwing mode, and the vertical length is the same.

5. The platen injection mold for a printer according to claim 1, wherein: the rubber gasket (9) is fixedly wound on the outer side of the lower die inner container (13), and the inner wall of the periphery of the lower end of the plugging ring (15) is attached to the outer wall of the periphery of the upper end of the lower die inner container (13).

6. The platen injection mold for a printer according to claim 1, wherein: the limiting blocking ring (5) is fixed on the outer wall of the circumference of the upper end of the long screw rod (3) in a welding mode, and the limiting blocking ring (5) and the circle center of the long screw rod (3) are vertically arranged on the same straight line.

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