CN218286527U - Integrated multifunctional injection molding edge sealing mold for desk and chair - Google Patents

Abstract

The utility model belongs to the technical field of the mould, especially, relate to a multi-functional desk chair injection moulding banding mould of integral type. The utility model discloses, mould on desk chair shaping lower mould and desk chair shaping, desk chair shaping lower mould in be equipped with the shaping lower part, desk chair shaping on the mould bottom be equipped with shaping upper portion. The utility model discloses in the in-process of moulding plastics, be close to each other on desk chair shaping lower mould and the shaping of desk chair, make shaping lower part and the complete die cavity of shaping upper portion looks butt cooperation formation, pour into the melting material into to the die cavity in, the completion is moulded plastics, when moulding plastics, carry out the banding through slidingtype banding subassembly to the tip and the limit portion of moulding the piece and handle, need not to carry out secondary banding processing, the molding cycle has been shortened, and slidingtype banding subassembly adopts the slidingtype structure, can not take place the adhesion with desk chair shaping lower mould after the die sinking, demoulding effect is better, last rethread multiple spot straight top to moulding after the shaping carry on ejecting can, ejecting accuracy is higher.

Description

Integrated multifunctional injection molding edge sealing mold for desk and chair

Technical Field

The utility model belongs to the technical field of the mould, a multi-functional desk chair injection moulding edge banding mould of integral type is related to.

Background

The desk and chair is used as a common instrument in a classroom, the consumption is high, the surface of the existing desk and chair is generally covered with a layer of plastic material for protection, the service life is prolonged, the existing plastic desk and chair is generally produced and manufactured by adopting an injection mold, in the injection molding process, the edge sealing treatment is difficult to be synchronously finished, secondary edge sealing processing is required, the molding period is long, the adhesion is easy to occur during demolding, and the demolding effect is poor.

In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a plastic foot sleeve forming device for desks and chairs is disclosed in a chinese patent application No. [ application number: 201921766724.1], comprises a workbench, a lower die is arranged at the top of the workbench, a die hole is formed in the lower die, a die core is inserted in the die hole, a die core sleeve is movably sleeved outside the die core, a strip-shaped groove is formed in one side of the die core sleeve, an upper die matched with the lower die is arranged at the upper end of the linkage rod, and the top of the upper die is mounted on an output shaft of a hydraulic cylinder through a support. The utility model discloses a pneumatic cylinder drives mould and bed die laminating, when last mould whereabouts, drives the mould core cover whereabouts through the link lever to reserve out the space between mould core and the nib, then pour into the moulding material into the nib, form the plastics podotheca. However, in the injection molding process, the edge sealing treatment is still difficult to be synchronously completed, secondary edge sealing processing is required, the molding period is long, adhesion is easy to occur during demolding, and the defect of poor demolding effect exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a multi-functional desk chair injection moulding banding mould of integral type is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a multi-functional desk chair of integral type banding mould of moulding plastics, includes desk chair shaping lower mould and desk chair shaping upper mould, desk chair shaping lower mould in be equipped with the shaping lower part, desk chair shaping upper mould bottom be equipped with shaping upper portion, the shaping lower part with the corresponding and shape of position on shaping upper portion match and adapt, desk chair shaping lower mould on be equipped with slidingtype banding subassembly, slidingtype banding subassembly corresponding with the position of shaping lower part, desk chair shaping lower mould below be equipped with the straight piece that pushes up of multiple spot, the straight piece of pushing up of multiple spot and desk chair shaping lower mould looks sliding fit.

In the above injection molding edge banding mold for multifunctional desk and chair, the sliding type edge banding assembly comprises an edge banding piece and an end banding piece which are arranged on the lower molding die of the desk and chair, and the edge banding piece and the end banding piece correspond to the lower molding portion respectively.

In foretell multi-functional desk chair injection moulding banding mould of integral type, limit banding spare including set up a plurality of limit banding platforms on desk chair shaping lower mould, limit banding platform can be followed and be close to or keep away from desk chair shaping lower mould one end and be linear motion, limit banding platform corresponding with the position of shaping lower part.

In foretell multi-functional desk chair injection moulding edge banding mould of integral type, the shaping of desk chair on be equipped with the limit portion connecting seat, limit portion connecting seat link to each other with limit portion banding platform, the shaping of desk chair on be equipped with first locating part, limit portion banding platform and first locating part looks sliding fit.

In foretell multi-functional desk chair injection moulding banding mould of integral type, first locating part including set up a plurality of first spacing strips on the mould is gone up in the desk chair shaping, first spacing strip extend and let in to limit edge banding platform and first spacing strip looks sliding fit.

In foretell multi-functional desk chair injection moulding banding mould of integral type, tip banding spare including set up a plurality of tip banding platforms on desk chair shaping lower mould, tip banding platform can be followed and be close to or keep away from desk chair shaping lower mould one end and be linear motion, tip banding platform corresponding with the position of shaping lower part.

In foretell multi-functional desk chair injection moulding banding mould of integral type, the desk chair shaping on be equipped with the end connection seat, the end connection seat link to each other with end banding platform, the desk chair shaping on be equipped with the second locating part, end banding platform and second locating part looks sliding fit.

In foretell multi-functional desk chair injection moulding banding mould of integral type, the second locating part including set up the spacing strip of a plurality of seconds on the shaping mould of desk chair, the spacing strip of second extend and let in to tip banding platform and the spacing mutually sliding fit of second.

In the injection molding edge sealing die for the integrated multifunctional desk and chair, an injection molding main plate is arranged above an upper die for forming the desk and chair, an injection molding main tube is arranged in the injection molding main plate, and the injection molding main tube is communicated with the upper forming part.

In the above injection-molding edge-sealing mold for the integrated multifunctional desk and chair, the multipoint straight ejection piece comprises an ejection rod fixing plate arranged below the lower forming die of the desk and chair, and the ejection rod fixing plate is provided with a plurality of straight ejection rods.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses in the in-process of moulding plastics, be close to each other on desk chair shaping lower mould and the shaping of desk chair, make shaping lower part and the complete die cavity of shaping upper portion looks butt cooperation formation, pour into the melting material into to the die cavity in, the completion is moulded plastics, when moulding plastics, carry out the banding through slidingtype banding subassembly to the tip and the limit portion of moulding the piece and handle, need not to carry out secondary banding processing, the molding cycle has been shortened, and slidingtype banding subassembly adopts the slidingtype structure, can not take place the adhesion with desk chair shaping lower mould after the die sinking, demoulding effect is better, last rethread multiple spot straight top to moulding after the shaping carry on ejecting can, ejecting accuracy is higher.

2. The utility model discloses when 9 butt desk chair shaping lower moulds 1 or the drawing of patterns of limit edge banding platform, through the sliding fit between limit edge banding platform 9 and the first spacing 12, play limiting displacement to limit edge banding platform 9, avoid limit edge banding platform 9 to take place the angular migration, when 13 butt desk chair shaping lower moulds 1 or the drawing of patterns of tip banding platform, through the sliding fit between tip banding platform 13 and the spacing 16 of second, play limiting displacement to limit edge banding platform 13, avoid tip banding platform 13 to take place the angular migration.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a schematic structural view of the multipoint straight top member.

Fig. 4 is a structural schematic diagram of an upper mold for forming desk and chair.

In the figure: the desk and chair forming lower die 1, the desk and chair forming upper die 2, the forming lower portion 3, the forming upper portion 4, the sliding type edge sealing assembly 5, a multipoint straight ejector 6, an edge sealing part 7, an end edge sealing part 8, an edge sealing table 9, an edge connecting seat 10, a first limiting part 11, a first limiting strip 12, an end edge sealing table 13, an end connecting seat 14, a second limiting part 15, a second limiting strip 16, an injection molding main board 17, an injection molding main cylinder 18, an ejector rod fixing plate 19 and a straight ejector rod 20.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, an injection molding edge sealing mold for an integrated multifunctional desk and chair comprises a lower desk and chair molding mold 1 and an upper desk and chair molding mold 2, wherein a lower molding part 3 is arranged in the lower desk and chair molding mold 1, an upper molding part 4 is arranged at the bottom of the upper desk and chair molding mold 2, the lower molding part 3 corresponds to the upper molding part 4 in position and matches in shape, a sliding type edge sealing component 5 is arranged on the lower desk and chair molding mold 1, the sliding type edge sealing component 5 corresponds to the lower molding part 3 in position, a multipoint straight top part 6 is arranged below the lower desk and chair molding mold 1, and the multipoint straight top part 6 is in sliding fit with the lower desk and chair molding mold 1.

In this embodiment, in the injection molding process, the lower desk and chair forming mold 1 and the upper desk and chair forming mold 2 are close to each other, so that the lower forming mold 3 and the upper forming mold 4 are in butt fit to form a complete cavity, molten materials are injected into the cavity, injection molding is completed, when injection molding is performed, edge sealing treatment is performed on the end part and the edge part of a plastic part through the sliding type edge sealing assembly 5, secondary edge sealing processing is not needed, the forming period is shortened, the sliding type edge sealing assembly 5 adopts a sliding type structure, adhesion with the lower desk and chair forming mold 1 is avoided after mold opening, the demolding effect is good, finally, the molded plastic part is ejected through the multipoint straight ejecting piece 6, and the ejection accuracy is high.

Referring to fig. 1 to 4, the sliding edge banding assembly 5 includes an edge banding 7 and an end banding 8 disposed on the lower molding die 1 of the desk and chair, and the edge banding 7 and the end banding 8 correspond to the lower molding die 3, respectively.

Specifically speaking, in the process of moulding plastics, carry out the banding through limit banding spare 7 to the limit of moulding the piece, carry out the banding through tip banding spare 8 to the tip of moulding the piece, need not to carry out secondary banding processing, shortened the shaping cycle, and slidingtype banding subassembly 5 adopts the slidingtype structure, can not take place the adhesion with desk chair shaping lower mould 1 after the die sinking, and demoulding effect is better.

As shown in fig. 1 and 2, the edge sealing member 7 includes a plurality of edge sealing tables 9 disposed on the lower forming die 1, the edge sealing tables 9 can move linearly along an end close to or far from the lower forming die 1, and the edge sealing tables 9 correspond to the lower forming die 3.

In the embodiment, in the injection molding process, the edge sealing treatment is performed on the edge of the plastic part through the edge sealing table 9, so that secondary edge sealing processing is not needed, and the molding period is shortened.

The desk and chair shaping on be equipped with limit portion connecting seat 10 on the mould 2, limit portion connecting seat 10 link to each other with limit edge platform 9, the desk and chair shaping on be equipped with first locating part 11, limit edge platform 9 and first locating part 11 looks sliding fit.

In this embodiment, the edge connecting seat 10 is used to connect and fix the edge banding table 9, and when the edge banding table 9 abuts against the lower forming die 1 of the desk and chair or is demolded, the edge banding table 9 is limited by sliding fit between the edge banding table 9 and the first limiting member 11, so as to prevent the edge banding table 9 from angular deviation.

As shown in fig. 2, the first limiting member 11 includes a plurality of first limiting strips 12 disposed on the upper die 2 of the desk and chair molding, and the first limiting strips 12 extend into the edge sealing table 9 and the edge sealing table 9 is in sliding fit with the first limiting strips 12.

In this embodiment, when the edge banding table 9 abuts against the lower forming die 1 of the desk and chair or is demolded, the edge banding table 9 is limited by the sliding fit between the edge banding table 9 and the first limiting strip 12, so that the edge banding table 9 is prevented from being angularly displaced.

The end edge sealing piece 8 comprises a plurality of end edge sealing tables 13 arranged on the lower forming die 1 of the desk and chair, the end edge sealing tables 13 can move linearly along one end close to or far away from the lower forming die 1 of the desk and chair, and the positions of the end edge sealing tables 13 correspond to the positions of the lower forming portion 3.

In the embodiment, in the injection molding process, the edge sealing treatment is performed on the edge of the plastic part through the end edge sealing table 13, so that secondary edge sealing processing is not needed, and the molding period is shortened.

The desk and chair forming die is characterized in that an end connecting base 14 is arranged on the desk and chair forming die 2, the end connecting base 14 is connected with an end edge sealing table 13, a second limiting piece 15 is arranged on the desk and chair forming die 2, and the end edge sealing table 13 is in sliding fit with the second limiting piece 15.

In this embodiment, the end connection seat 14 is used to connect and fix the end edge sealing table 13, and when the end edge sealing table 13 abuts against the lower forming die 1 of the desk and chair or is demolded, the end edge sealing table 13 is limited by sliding fit between the end edge sealing table 13 and the second limiting member 15, so as to prevent the end edge sealing table 13 from angular deviation.

As shown in fig. 2, the second limiting member 15 includes a plurality of second limiting strips 16 disposed on the upper mold 2 for forming desk and chair, and the second limiting strips 16 extend into the end edge sealing table 13 and the end edge sealing table 13 is in sliding fit with the second limiting strips 16.

In this embodiment, when the end edge sealing table 13 abuts against the lower forming die 1 of the desk and chair or is demolded, the end edge sealing table 13 is limited by the sliding fit between the end edge sealing table 13 and the second limiting strip 16, so that the end edge sealing table 13 is prevented from being angularly displaced.

Referring to fig. 1 and 4, an injection main plate 17 is arranged above the upper forming die 2 of the desk and chair, an injection main tube 18 is arranged in the injection main plate 17, and the injection main tube 18 is communicated with the upper forming portion 4.

In this embodiment, during the injection molding process, the molten material is injected into the cavity through the injection main cylinder 18 in the injection main plate 17, thereby completing the injection molding.

Referring to fig. 3, the multipoint straight ejecting member 6 includes an ejecting rod fixing plate 19 disposed below the lower forming die 1 of the desk and chair, and a plurality of straight ejecting rods 20 are disposed on the ejecting rod fixing plate 19.

In this embodiment, after completing injection molding, mold opening is performed, the ejector rod fixing plate 19 is moved, the ejector rod fixing plate 19 drives the plurality of straight ejector rods 20 to eject the molded plastic part, so that the ejection area is large, and the accuracy is high.

The utility model discloses a theory of operation is:

in the injection molding process, the lower desk and chair forming die 1 and the upper desk and chair forming die 2 are close to each other, so that the lower forming part 3 is in butt fit with the upper forming part 4 to form a complete cavity, molten materials are injected into the cavity through the injection main cylinder 18 in the injection main plate 17 to complete injection molding,

in the injection molding process, the edge sealing treatment is carried out on the edge of the plastic part through the edge sealing platform 9, the edge sealing treatment is carried out on the edge of the plastic part through the end sealing platform 13, the edge sealing treatment is carried out on the edge and the end of the plastic part, secondary edge sealing processing is not needed, the molding cycle is shortened, and the sliding type structure is adopted, the die can not be adhered to the lower die 1 for molding the desk and chair after the die is opened, the demolding effect is better,

the edge connecting seat 10 is used for connecting and fixing an edge banding table 9, when the edge banding table 9 is abutted against the lower forming die 1 of the desk and chair or is demoulded, the edge banding table 9 is limited by the sliding fit between the edge banding table 9 and the first limiting strip 12, so that the edge banding table 9 is prevented from being angularly deviated,

the end connecting seat 14 is used for connecting and fixing the end edge sealing table 13, when the end edge sealing table 13 abuts against the lower forming die 1 of desk and chair or is demoulded, the end edge sealing table 13 is limited by the sliding fit between the end edge sealing table 13 and the second limiting strip 16, so that the angle deviation of the end edge sealing table 13 is avoided,

after the injection molding is completed, the mold is opened, the ejector rod fixing plate 19 is moved, and the ejector rod fixing plate 19 drives the plurality of straight ejector rods 20 to eject the molded plastic part, so that the ejection area is large, and the accuracy is high.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the lower desk and chair molding die 1, the upper desk and chair molding die 2, the lower molding die 3, the upper molding die 4, the sliding type edge banding assembly 5, the multipoint straight top member 6, the edge banding member 7, the end banding member 8, the edge banding table 9, the edge connecting base 10, the first stopper 11, the first stopper bar 12, the end banding table 13, the end connecting base 14, the second stopper 15, the second stopper bar 16, the injection molding main plate 17, the injection molding main cylinder 18, the ejector rod fixing plate 19, the straight top rod 20, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a multi-functional desk chair banding mould of moulding plastics of integral type, includes desk chair shaping lower mould (1) and desk chair shaping upper die (2), a serial communication port, desk chair shaping lower mould (1) in be equipped with shaping lower part (3), the desk chair shaping upper die (2) bottom be equipped with shaping upper portion (4), shaping lower part (3) and the corresponding and shape of position of shaping upper portion (4) match and fit, desk chair shaping lower mould (1) on be equipped with slidingtype banding subassembly (5), slidingtype banding subassembly (5) corresponding with the position of shaping lower part (3), desk chair shaping lower mould (1) below be equipped with the straight piece of pushing up of multiple spot (6), the straight piece of pushing up of multiple spot (6) and desk chair shaping lower mould (1) looks sliding fit.

2. The injection molding edge banding mold for the integrated multifunctional school desk and chair as claimed in claim 1, wherein the sliding type edge banding assembly (5) comprises an edge banding piece (7) and an end banding piece (8) which are arranged on the lower molding die (1) of the school desk and chair, and the edge banding piece (7) and the end banding piece (8) respectively correspond to the molding lower part (3).

3. The injection molding edge sealing mold of the integrated multifunctional desk and chair as claimed in claim 2, wherein the edge sealing piece (7) comprises a plurality of edge sealing tables (9) arranged on the lower forming die (1) of the desk and chair, the edge sealing tables (9) can move linearly along the end close to or far away from the lower forming die (1) of the desk and chair, and the edge sealing tables (9) correspond to the lower forming part (3).

4. The injection molding edge sealing mold for the integral multifunctional school desk and chair according to claim 3, wherein an edge connecting seat (10) is arranged on the upper mold (2) for forming the school desk and chair, the edge connecting seat (10) is connected with an edge sealing platform (9), a first limiting part (11) is arranged on the upper mold (2) for forming the school desk and chair, and the edge sealing platform (9) is in sliding fit with the first limiting part (11).

5. The injection molding edge sealing mold for the integrated multifunctional desk and chair as claimed in claim 4, wherein the first limiting part (11) comprises a plurality of first limiting strips (12) arranged on the upper mold (2) for forming the desk and chair, the first limiting strips (12) extend to the edge sealing table (9), and the edge sealing table (9) is in sliding fit with the first limiting strips (12).

6. The injection molding edge sealing mold for the integrated multifunctional desk and chair as claimed in claim 5, wherein the end edge sealing piece (8) comprises a plurality of end edge sealing tables (13) arranged on the lower forming die (1) of the desk and chair, the end edge sealing tables (13) can move linearly along one end close to or far away from the lower forming die (1) of the desk and chair, and the end edge sealing tables (13) correspond to the lower forming portion (3).

7. The injection molding edge sealing mold for the integrated multifunctional school desk and chair according to claim 6, wherein an end connecting seat (14) is arranged on the upper mold (2) for forming the school desk and chair, the end connecting seat (14) is connected with an end edge sealing table (13), a second limiting part (15) is arranged on the upper mold (2) for forming the school desk and chair, and the end edge sealing table (13) is in sliding fit with the second limiting part (15).

8. The injection molding edge sealing mold for the integrated multifunctional school desk and chair according to claim 7, wherein the second limiting part (15) comprises a plurality of second limiting strips (16) arranged on the upper mold (2) for forming the school desk and chair, the second limiting strips (16) extend to the end edge sealing table (13), and the end edge sealing table (13) is in sliding fit with the second limiting strips (16).

9. The injection molding edge sealing mold for the integral multifunctional school desk and chair as claimed in claim 8, wherein an injection molding main plate (17) is arranged above the upper mold (2) for forming the school desk and chair, an injection molding main tube (18) is arranged in the injection molding main plate (17), and the injection molding main tube (18) is communicated with the upper forming part (4).

10. The injection molding edge banding mold for integrated multifunctional desk and chair as claimed in claim 9, wherein said multipoint straight ejecting member (6) comprises an ejecting rod fixing plate (19) disposed below the lower forming mold (1) of desk and chair, and said ejecting rod fixing plate (19) is provided with a plurality of straight ejecting rods (20).

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