Punching knife edge structure of hot-pressing heat insulation pad forming die

Abstract

The utility model discloses a punching knife edge structure of a hot-pressing heat insulation pad forming die, which relates to the technical field of dies and comprises an upper die body and a lower die body, a lower die seat is fixedly mounted at the bottom of the lower die body, a lower die core is fixedly mounted at the upper end of the lower die body, an upper die seat is fixedly mounted at the upper end of the upper die body, and a lower die core is fixedly mounted at the lower end of the upper die seat. An upper die core is fixedly installed at the bottom of the upper die body, an edge sealing knife edge is fixedly installed at the edge position of the upper die core, a transition R angle is arranged on the outer side of the edge sealing knife edge, and a beveled edge pressing angle is arranged on the inner side of the edge sealing knife edge. In this way, when the die is used for punching, the edge sealing knife edge can be subjected to edge pre-pressing treatment, compared with a traditional knife edge, the problem of poor edge sealing is better solved, and the undesirable phenomenon that due to the fact that the traditional knife edge is not subjected to edge pre-pressing design, the edge is expanded and layered by an elastic material of a heat insulation pad after being cut is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of hot-pressing heat insulation pad forming die's die cutting knife edge structure. BACKGROUND

[0002] Hot-pressing heat insulation pad mould is used for the tool for hot-pressing heat insulation pad, usually by upper die and lower die is formed.It is accurate to shape and size by the cavity and core of mould, ensure that the heat insulation pad produced meets design requirements, has consistent appearance and specification.

[0003] The knife edge of existing hot-pressing heat insulation pad mould on market mostly adopts vertical punching mode, and it is easy to cause product edge sealing to be poor, crack and delaminate, so that a large number of edge sealing poor products need to be repaired, causing waste of manpower and material resources, increase of cost, and serious product scrap.For this reason, a hot-pressing heat insulation pad forming die's die cutting knife edge structure is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hot-pressing heat insulation pad forming die's die cutting knife edge structure to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hot-pressing heat insulation pad forming die's die cutting knife edge structure, including upper die body and lower die body, the bottom of lower die body is fixedly installed with lower die seat, the upper end of lower die body is fixedly installed with lower die core, the upper end of upper die body is fixedly installed with upper die seat, the bottom of upper die body is fixedly installed with upper die core, the edge position of upper die core is fixedly installed with edge sealing knife edge, the outside of edge sealing knife edge is provided with transition R angle, and the inside of edge sealing knife edge is provided with bevel cutting edge angle.

[0006] As a further preferred embodiment of the present technical solution, a pad plate is fixedly installed between the upper die body and the upper die seat.

[0007] As a further preferred embodiment of the present technical solution, a plurality of heating pipes are fixedly embedded in the interior of the upper die body.

[0008] As a further preferred embodiment of the present technical solution, water inlets are formed in the side walls of the upper die body and the lower die body, and the two water inlets are respectively connected to the cooling channels in the interiors of the upper die body and the lower die body.

[0009] As a further preferred embodiment of the present technical solution, four upper fixed blocks are fixedly installed at the bottom of the upper die seat, guide columns are fixedly connected to the bottoms of the four upper fixed blocks, four lower fixed blocks are fixedly installed at the upper end of the lower die seat, the four lower fixed blocks one-to-one correspond to the four upper fixed blocks, guide grooves are respectively formed at the upper ends of the four lower fixed blocks, and the four guide grooves are respectively slidably engaged with the four guide columns.

[0010] As a further preferred of the technical solution, four said upper fixed blocks are distributed at four corner positions of the bottom of the upper die holder.

[0011] As a further preferred of the technical solution, two pressing plate grooves are respectively formed on two sides of the upper die holder and the lower die holder.

[0012] The hot-pressing heat insulation pad forming die punching cutter lip structure has the following beneficial effects:

[0013] The utility model discloses a R angle transition design is carried out to the edge sealing cutter lip, and does the beveling edge angle design, so that the die can carry out pre-pressing edge processing when punching, and compared with traditional cutter lip, better solve the problem of edge sealing, prevent the traditional cutter lip from being expanded and layered by the elastic material of heat insulation pad after cutting due to not carrying out pre-pressing edge design. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0015] Figure 2 It is the bottom structure schematic diagram of the upper die body in the utility model;

[0016] Figure 3 It is the utility model Figure 2 A-A section view in the utility model;

[0017] Figure 4 It is the structure schematic diagram of the edge sealing cutter lip in the utility model;

[0018] Figure 5 It is the partial structure schematic diagram of the utility model Figure 1 ;

[0019] In the drawing: 1, upper die body;2, lower die body;3, pressing plate groove;4, upper die holder;5, lower die holder;6, upper die core;7, edge sealing cutter lip;8, transition R angle;9, beveling edge angle;10, backing plate;11, heating pipe;12, upper fixed block;13, guide column;14, lower fixed block;15, guide groove;16, water inlet. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be clearly and completely described in combination with the drawings in the utility model embodiment.

[0021] The utility model provides technical scheme: as Figures 1 to 5As shown, in this embodiment, the die cutting knife edge structure of the hot-pressed thermal insulation pad forming die comprises an upper die body 1 and a lower die body 2, the bottom of the lower die body 2 is fixedly installed with a lower die seat 5, the upper end of the lower die body 2 is fixedly installed with a lower die core, the upper end of the upper die body 1 is fixedly installed with an upper die seat 4, the bottom of the upper die body 1 is fixedly installed with an upper die core 6, the edge position of the upper die core 6 is fixedly installed with an edge sealing knife edge 7, the outer side of the edge sealing knife edge 7 is provided with a transition R angle 8, and the inner side of the edge sealing knife edge 7 is provided with a bevel pressing edge angle 9.

[0022] By designing the R angle transition of the edge sealing knife edge 7 and the bevel pressing edge angle, the edge sealing knife edge 7 can be pre-pressed during die cutting, which better solves the problem of poor edge sealing compared with traditional knife edges and prevents the traditional knife edges from being expanded and layered by the elastic material of the thermal insulation pad after cutting.

[0023] Among them, the gasket 10 is fixedly installed between the upper die body 1 and the upper die seat 4.

[0024] The gasket 10 is used to disperse pressure, can protect the upper die seat 4, and enhance the rigidity of the die

[0025] Among them, a plurality of heating pipes 11 are fixedly embedded in the inside of the upper die body 1.

[0026] The power supply module of the heating pipe 11 adopts the existing technology, which is not improved here and will not be described in detail.

[0027] Among them, the side walls of the upper die body 1 and the lower die body 2 are both provided with water inlets 16, and the two water inlets 16 respectively communicate the cooling channels inside the upper die body 1 and the lower die body 2.

[0028] The cooling channel of the die has a straight-through type cooling channel, a surrounding type cooling channel, a random shape cooling channel, and a partition type cooling channel, and the cooling channel is not optimized in this application, so the existing cooling channel can be selected, and it will not be described in detail.

[0029] Among them, the bottom of the upper die seat 4 is fixedly installed with four upper fixed blocks 12, the four upper fixed blocks 12 are distributed at the four corner positions of the bottom of the upper die seat 4, the bottom of each of the four upper fixed blocks 12 is fixedly connected with a guide column 13, the upper end of the lower die seat 5 is fixedly installed with four lower fixed blocks 14, the four lower fixed blocks 14 respectively correspond to the four upper fixed blocks 12, the upper end of each of the four lower fixed blocks 14 is provided with a guide groove 15, and the four guide grooves 15 respectively slide and engage with the four guide columns 13.

[0030] Through the sliding engagement of the guide column 13 and the guide groove 15, the upper die body 1 and the lower die body 2 can be more accurate when the die is closed.

[0031] Two pressing plate grooves 3 are arranged on two sides of the upper die holder 4 and the lower die holder 5 respectively.

[0032] The pressing plate grooves 3 provide installation positions for the pressing plates, and the pressing plates are fixed on the mold through connecting members such as bolts and nuts, so that displacement of the pressing plates during hot pressing is avoided, and the pressing effect of the pressing plates on the heat insulation pad material is ensured.

[0033] The utility model provides a kind of hot-pressing heat insulation pad forming die's punching cutter lip structure, and specific working principle is as follows:

[0034] R angle transition design is carried out to edge sealing cutter lip 7, and beveling edge angle design is carried out, so that mold can be pre-pressed edge processing when punching, compared with traditional cutter lip, better solve the problem of bad edge sealing, prevent the adverse phenomenon that traditional cutter lip is expanded and layered after cutting edge by heat insulation pad elastic material due to not carrying out pre-pressed edge design.

[0035] It should be noted that the present application is to improve the local position of existing mold, the mold can refer to the hot-pressing heat insulation pad mold with model number HPFS-100T, the discharge structure, water cooling structure and other structures of the mold are all referred to prior art, which are not shown in detail here.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A punch-cutting die lip structure of a hot-pressing insulation pad forming die, characterized by: The utility model provides a plastic product mould, including upper mould body (1) and lower mould body (2), the bottom fixed mounting of lower mould body (2) has lower mould seat (5), the upper end fixed mounting of lower mould body (2) has lower mould core, the upper end fixed mounting of upper mould body (1) has upper mould seat (4), the bottom fixed mounting of upper mould body (1) has upper mould core (6), the edge position fixed mounting of upper mould core (6) has edge knife (7), the outside of edge knife (7) is provided with transition R angle (8), the inside of edge knife (7) is provided with bevelled edge angle (9).

2. The punch cut edge structure of a thermo-pressing insulation pad forming mold according to claim 1, wherein: The upper mould body (1) and the upper mould seat (4) are fixedly installed with a backing plate (10) therebetween.

3. The punch cut edge structure of a thermo-pressing insulation pad forming mold according to claim 1, wherein: A plurality of heating pipes (11) are fixedly embedded inside the upper mould body (1).

4. The punch cut edge structure of a thermo-pressing insulation pad forming mold according to claim 1, wherein: Water inlets (16) are formed in the side walls of the upper mould body (1) and the lower mould body (2), and the two water inlets (16) are respectively connected to the cooling channels inside the upper mould body (1) and the lower mould body (2).

5. The punch cut edge structure of a thermo-pressing insulation pad forming mold according to claim 1, wherein: Four upper fixed blocks (12) are fixedly installed at the bottom of the upper mould seat (4), and the bottoms of the four upper fixed blocks (12) are fixedly connected with guide columns (13).

6. The die-cutting kerf structure of a thermo-press insulation mat forming die according to claim 5, wherein: Four lower fixed blocks (14) are fixedly installed at the upper end of the lower mould seat (5), and the four lower fixed blocks (14) are respectively corresponding to the four upper fixed blocks (12).

7. The die-cutting kerf structure of a thermo-press insulation mat forming die of claim 1, wherein: The four upper fixed blocks (12) are distributed at the four corner positions of the bottom of the upper mould seat (4). Two pressing plate grooves (3) are respectively formed at the two sides of the upper mould seat (4) and the lower mould seat (5).

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