CN210705575U

CN210705575U - Heat shield forming die

Info

Publication number: CN210705575U
Application number: CN201921679985.XU
Authority: CN
Inventors: 吴华明
Original assignee: Wuhan Fengyun Zhenghua Precision Technology Co ltd
Current assignee: Wuhan Fengyun Zhenghua Precision Technology Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-09
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of heat shields, in particular to a heat shield forming die, which comprises a base, wherein the top end of the base is fixedly connected with a base plate, the top surface of the base plate is fixedly connected with an inner die lower plate through screws, the top surface of the inner die lower plate is fixedly connected with an inner die, the top surface of the base plate is fixedly connected with an outer die lower section through screws, the top surface of the outer die lower section is fixedly connected with an outer die middle section through screws, and the top surface of the outer die middle section is fixedly connected with an outer die upper section through screws; the utility model discloses an external mold upper segment, external mold middle section and external mold hypomere for when the production heat shield, can use RTM fashioned method to spread glass fiber reinforced material back on the centre form, pour into the resin into the space between external mold upper segment, external mold middle section and external mold hypomere and the centre form, reached the shaping rate height, reduced the effect of the loss rate in the current heat shield production process.

Description

Heat shield forming die

Technical Field

The utility model relates to a heat shield mould technical field specifically is a heat shield moulded die.

Background

The heat shield can be an isolation cover which can separate heat outside, can play a certain protection role for the parts inside the heat shield, and most of the existing factories are formed by hot pressing one time through a whole die when producing the heat shield, thereby achieving the purpose of rapid and mass production.

In the forming process of the existing heat shield, because the formed product can generate internal plastic memory stress in the forming process, an ideal product cannot be obtained, and certain loss of the produced product can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a heat shield moulded die possesses the heat shield yield that makes production higher, reduces the advantage of product loss rate, has solved the problem that prior art hot briquetting's method can increase the product loss rate in process of production.

The utility model discloses a heat shield moulded die, including the station foot, the top fixedly connected with bed plate of station foot, the top surface of bed plate passes through screw fixedly connected with centre form hypoplastron, the top surface fixedly connected with centre form of centre form hypoplastron, the top surface of bed plate passes through screw fixedly connected with external mold hypomere, screw fixedly connected with external mold middle section is passed through to the top surface of external mold hypomere, screw fixedly connected with external mold upper segment is passed through to the top surface in external mold middle section, screw fixedly connected with lamina tecti is passed through to the top surface in external mold upper segment.

The utility model discloses a heat shield moulded die, wherein the excessive gluey hole of overflow has all been seted up on the surface in external mold hypomere and external mold middle section, just the quantity in the excessive gluey hole is eight, and four excessive gluey holes are a set of, and two sets of excessive gluey holes distribute respectively on the surface in external mold hypomere and external mold middle section, through the excessive gluey hole for when pouring into resin, can leave out the height of understanding the resin at this moment at the inner mold surface covering through observing whether the resin has in the excessive gluey hole, when conveniently pouring into resin, can fully pour into the resin into in the space between external mold upper segment, external mold middle section and external mold hypomere and the centre form, avoid producing the bubble in the heat shield.

The utility model discloses a heat shield moulded die, wherein the inside of centre form is the cavity structure, the sub-hole in location has all been seted up with the axle center department of centre form hypoplastron to the bed plate, through the sub-hole in location for can make things convenient for and quick alignment when the assembling die.

The utility model discloses a heat shield moulded die, wherein the side of bed plate has been seted up into jiao kou, the inside of advancing jiao kou has been seted up flat gluey groove of advancing and has been advanced the sizing chamber by bed plate outside to bed plate axle center department in proper order, and advances jiao kou through flat gluey groove of advancing and advance the sizing chamber intercommunication.

The utility model discloses a heat shield moulded die, vacuole formation between centre form and external mold hypomere, external mold middle section and the external mold upper segment wherein, advance the sizing material chamber and this cavity intercommunication, the side of centre form hypoplastron is narrow slope inclined plane under the width, just centre form hypoplastron side is 0.6cm with the minimum distance of centre form inner wall, through the centre form hypoplastron, can provide sufficient glue solution for the injecting glue, and provides sufficient injecting glue pressure, guarantees the injecting glue effect, takes the inclination to be convenient for the material chamber clearance simultaneously.

The utility model discloses a heat shield moulded die, wherein the surface of external mold hypomere, external mold middle section and external mold upper segment all is provided with reverse screw, and is located the reverse screw bottom on external mold hypomere surface and the top surface swing joint of bed plate, is located the reverse screw bottom on external mold middle section surface and the top surface swing joint of external mold hypomere are located the reverse screw bottom of external mold upper segment and the top surface swing joint in external mold middle section through reverse screw for when needing the drawing of patterns, can move reverse screw through twisting, make external mold upper segment, external mold middle section and external mold hypomere can be steady break away from the surface of heat shield, avoid the condition that the damage appears in the drawing of patterns in the heat shield, reached the effect of guaranteeing heat shield product quality in process of production.

The utility model discloses a heat shield moulded die, wherein the handle is carried to the equal fixedly connected with in surface of external mold hypomere, external mold middle section and external mold upper segment, the junction in external mold hypomere and external mold middle section the junction in external mold middle section and external mold upper segment the junction of centre form and centre form hypoplastron with the junction of centre form hypoplastron and bed plate all is provided with the sealing washer, through the sealing washer for can keep the compactness of connecting gap between external mold hypomere, external mold middle section and the external mold upper segment.

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

1. the utility model discloses an external mold upper segment, external mold middle section and external mold hypomere for when the heat shield is produced, can use RTM fashioned method to spread glass fiber reinforced material back on the centre form, pour into the resin into the space between external mold upper segment, external mold middle section and external mold hypomere and the centre form, and pull down external mold upper segment, external mold middle section and external mold hypomere after the shaping, can be fast and complete take out the heat shield, it is high to have reached the shaping rate, reduce the effect of the rate of loss in the current heat shield production process.

2. The utility model discloses an excessive gluey hole, make when pouring into the resin into, thereby can through observe whether have the resin to reserve the height of understanding resin at this moment at interior mould surface covering in the excessive gluey hole, in the resin of conveniently pouring into, can fully pour into the external mold upper segment with the resin into, in the space between external mold middle section and external mold hypomere and the centre form, avoid producing the bubble in the heat shield, through reverse screw, make when the needs drawing of patterns, can move reverse screw through twisting, make the external mold upper segment, external mold middle section and external mold hypomere can be steady break away from the surface of heat shield, avoid the heat shield to appear the condition of damaging in the drawing of patterns, the effect of guaranteeing heat shield product quality in process of production has been reached.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. standing; 2. a base plate; 3. an inner mold lower plate; 4. an inner mold; 5. the lower section of the outer die; 6. an outer mold middle section; 7. an outer mold upper section; 8. a top cover plate; 9. glue overflow holes; 10. positioning the sub-holes; 11. a glue inlet; 12. flattening the glue inlet groove; 13. a glue feeding cavity; 14. a reverse screw; 15. lifting the handle; 16. and (5) sealing rings.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, the heat shield forming mold of the present invention comprises a base 1, a base plate 2 fixedly connected to the top end of the base 1, an inner mold lower plate 3 fixedly connected to the top surface of the base plate 2 through screws, an inner mold 4 fixedly connected to the top surface of the inner mold lower plate 3, an outer mold lower section 5 fixedly connected to the top surface of the base plate 2 through screws, an outer mold middle section 6 fixedly connected to the top surface of the outer mold lower section 5 through screws, an outer mold upper section 7 fixedly connected to the top surface of the outer mold middle section 6 through screws, a top cover plate 8 fixedly connected to the top surface of the outer mold upper section 7 through screws, and an outer mold upper section 7, an outer mold middle section 6 and an outer mold lower section 5 through which, when producing a heat shield, glass fiber reinforced material can be spread on the inner mold 4 by using RTM molding method, and then resin is injected into the gaps between the outer mold upper section, and the outer mold upper section 7, the outer mold middle section 6 and the outer mold lower section 5 are disassembled after molding, so that the heat shield can be quickly and completely taken out, the molding rate is high, and the loss rate in the production process of the existing heat shield is reduced.

Glue overflow holes 9 are formed in the surfaces of the outer die lower section 5 and the outer die middle section 6, the number of the glue overflow holes 9 is eight, four glue overflow holes 9 are in one group, two groups of glue overflow holes 9 are respectively distributed in the surfaces of the outer die lower section 5 and the outer die middle section 6, and through the glue overflow holes 9, when resin is injected, whether resin is left in the glue overflow holes 9 or not can be observed, so that the height of the resin covered on the surface of the inner die 4 can be known.

The inside of centre form 4 is the cavity structure, and base plate 2 has all seted up location sub-hole 10 with centre of axle center department of centre form hypoplastron 3, through location sub-hole 10 for can make things convenient for and quick alignment when the assembly jig.

The side of bed plate 2 has been seted up into jiao kou 11, the inside of advancing jiao kou 11 has been seted up flat gluey groove 12 and has been advanced the sizing chamber 13 by bed plate 2 outside to 2 axle centers of bed plate department in proper order, and advance jiao kou 11 through flat gluey groove 12 with advance sizing chamber 13 intercommunication, centre form cavity 4 and external mold hypomere 5, external mold middle section 6 and external mold upper segment 7 between form the cavity, advance sizing chamber 13 and this cavity intercommunication, the side of centre form hypoplastron 3 is the narrow slope inclined plane about wide, and the minimum distance of centre form hypoplastron 3 side and 4 inner walls of centre form is 0.6cm, through centre form hypoplastron 3, can provide sufficient glue solution for the injecting glue, and provide sufficient injecting glue pressure, guarantee the injecting glue effect, take the inclination to be convenient for the material chamber to clear up simultaneously.

Reverse screws 14 are arranged on the surfaces of the outer die lower section 5, the outer die middle section 6 and the outer die upper section 7, the bottom ends of the reverse screws 14 on the surface of the outer die lower section 5 are movably connected with the top surface of the base plate 2, the bottom ends of the reverse screws 14 on the surface of the outer die middle section 6 are movably connected with the top surface of the outer die lower section 5, the bottom ends of the reverse screws 14 on the outer die upper section 7 are movably connected with the top surface of the outer die middle section 6, and the reverse screws 14 can be screwed when the die is required to be removed, so that the outer die upper section 7, the outer die middle section 6 and the outer die lower section 5 can be stably separated from the surface of the heat shield, the heat shield is prevented from being damaged in the die removal process, and the effect of ensuring the product quality of.

The surfaces of the outer die lower section 5, the outer die middle section 6 and the outer die upper section 7 are fixedly connected with lifting handles 15, sealing rings 16 are arranged at the joint of the outer die lower section 5 and the outer die middle section 6, the joint of the outer die middle section 6 and the outer die upper section 7, the joint of the inner die 4 and the inner die lower plate 3 and the joint of the inner die lower plate 3 and the base plate 2, and the tightness of connecting gaps among the outer die lower section 5, the outer die middle section 6 and the outer die upper section 7 can be kept through the sealing rings 16.

When using the utility model discloses the time: after glass fiber reinforced materials are paved on the surface of an inner mold 4, an outer mold lower section 5, an outer mold middle section 6 and an outer mold upper section 7 are respectively installed on a base plate 2 layer by layer through installing hoisting rings, after screws are tightened, resin is injected into a flat glue inlet groove 12 through a glue inlet 11, after a glue inlet cavity 13 is filled with the resin, the resin is limited by an inclined plane of an inner mold lower plate 3 to slowly enter into gaps among the outer mold lower section 5, the outer mold middle section 6, the outer mold upper section 7 and the inner mold 4 from the glue inlet cavity 13, the gaps are gradually filled with the resin, the resin seeps out from a glue overflow hole 9 after the resin rises to a certain height, after the resin seeps out from the glue overflow hole 9 on the outer mold upper section 7, the resin can be stopped from being continuously injected, finally, after cooling treatment is carried out through liquid nitrogen, a reverse screw 14 can be screwed, so that the outer mold upper section 7 is moved out from the outer mold middle section 6, and the outer mold middle, and finally, obtaining the finished product of the heat shield.

The above are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a heat shield moulded die, includes stand foot (1), its characterized in that: the top fixedly connected with bed plate (2) of station foot (1), screw fixedly connected with centre form hypoplastron (3) is passed through to the top surface of bed plate (2), top surface fixedly connected with centre form (4) of centre form hypoplastron (3), screw fixedly connected with external mold hypomere (5) is passed through to the top surface of bed plate (2), screw fixedly connected with external mold middle section (6) is passed through to the top surface of external mold hypomere (5), screw fixedly connected with external mold upper segment (7) is passed through to the top surface of external mold middle section (6), screw fixedly connected with top cap board (8) is passed through to the top surface of external mold upper segment (7).

2. The heat shield molding die as set forth in claim 1, wherein: the surfaces of the outer mold lower section (5) and the outer mold middle section (6) are provided with eight glue overflow holes (9), four glue overflow holes (9) form a group, and two groups of glue overflow holes (9) are respectively distributed on the surfaces of the outer mold lower section (5) and the outer mold middle section (6).

3. The heat shield molding die as set forth in claim 1, wherein: the inner part of the inner die (4) is of a cavity structure, and the axes of the base plate (2) and the inner die lower plate (3) are both provided with positioning sub-holes (10).

4. The heat shield molding die as set forth in claim 1, wherein: the side of bed plate (2) has been seted up into jiao kou (11), the inside of advancing jiao kou (11) has been seted up flat gluey groove (12) and has been advanced sizing chamber (13) by bed plate (2) outside to bed plate (2) axle center department in proper order, and advances jiao kou (11) and advance sizing chamber (13) intercommunication through flat gluey groove (12) of advancing.

5. The heat shield molding die as set forth in claim 4, wherein: a cavity is formed between the inner die (4) and the outer die lower section (5), between the outer die middle section (6) and between the inner die (4) and the outer die upper section (7), the glue feeding cavity (13) is communicated with the cavity, the side surface of the inner die lower plate (3) is an inclined plane with a wide upper part and a narrow lower part, and the minimum distance between the side surface of the inner die lower plate (3) and the inner wall of the inner die (4) is 0.6 cm.

6. The heat shield molding die as set forth in claim 1, wherein: the surface of the outer die lower section (5), the surface of the outer die middle section (6) and the surface of the outer die upper section (7) are respectively provided with a reverse screw (14), the bottom end of the reverse screw (14) positioned on the surface of the outer die lower section (5) is movably connected with the top surface of the base plate (2), the bottom end of the reverse screw (14) positioned on the surface of the outer die middle section (6) is movably connected with the top surface of the outer die lower section (5), and the bottom end of the reverse screw (14) positioned on the outer die upper section (7) is movably connected with the top surface of the outer die middle section (6.

7. The heat shield molding die as set forth in claim 1, wherein: the surface of the outer die lower section (5), the surface of the outer die middle section (6) and the surface of the outer die upper section (7) are fixedly connected with a lifting handle (15), and sealing rings (16) are arranged at the joint of the outer die lower section (5) and the outer die middle section (6), the joint of the outer die middle section (6) and the outer die upper section (7), the joint of the inner die (4) and the inner die lower plate (3) and the joint of the inner die lower plate (3) and the base plate (2).