CN210415418U

CN210415418U - Injection mold with heating function

Info

Publication number: CN210415418U
Application number: CN201920779877.3U
Authority: CN
Inventors: 关永亮
Original assignee: Nanjing Hongguang Auto Accessories Co ltd
Current assignee: Nanjing Hongguang Auto Accessories Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-28
Anticipated expiration: 2029-05-28

Abstract

The utility model belongs to the technical field of the technique of moulding plastics and specifically relates to an injection mold with heating function, including the bed die, first mould groove has been seted up to the upper surface intermediate position department of bed die, the mould has been placed to the upper end of bed die, the second mould groove has been seted up to the lower surface intermediate position department of going up the mould, the intermediate position department fixedly connected with injection molding pipe of going up the mould, the equal fixedly connected with locking mechanism in upper end both sides of going up the mould, first recess has been seted up to the lower surface intermediate position department of bed die, a plurality of through-hole has been seted up in the first recess, all install the heat absorbing plate in every through-hole, the second recess has been seted up to one side that the through-hole was kept away from to first recess, there is the backup pad through the mounting screw in the second recess, a plurality of arc wall has been seted up to the upper. The utility model discloses simple structure is worth promoting.

Description

Injection mold with heating function

Technical Field

The utility model relates to a technical field of moulding plastics especially relates to an injection mold with heating function.

Background

And injecting the liquid plastic into a mold cavity which is adaptive to the shape of the part, and cooling and solidifying the liquid plastic to obtain the plastic product. In the plastic products manufacture process, need through the pipeline etc. with liquid injection mold in, because the pipeline overlength can lead to pouring also temperature reduction, the velocity of flow is slow, has reduced the efficiency of production, so need heat injection mold production facility, but heating device is comparatively single at present, leads to moulding plastics raw materials to be heated unevenly, efficiency descends.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of uneven heating existing in the prior art and providing an injection mold with a heating function.

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

an injection mold with a heating function is designed, and comprises a lower mold, wherein supporting legs are fixedly connected to four corners of the bottom end of the lower mold, a first mold groove is formed in the middle of the upper surface of the lower mold, guide posts are fixedly connected to four corners of the upper surface of the lower mold, an upper mold is placed at the upper end of the lower mold, a second mold groove is formed in the middle of the lower surface of the upper mold, an injection molding pipe is fixedly connected to the middle of the upper mold and communicated with the second mold groove, a connecting groove is formed in one side of each guide post on the upper mold, each guide post is located in the connecting groove, locking mechanisms are fixedly connected to two sides of the upper end of the upper mold, a first groove is formed in the middle of the lower surface of the lower mold, and a plurality of through holes are formed in the first groove, every all install the heat absorbing sheet in the through-hole, the first recess is kept away from one side of through-hole has seted up the second recess, there is the backup pad through the screw installation in the second recess, a plurality of arc wall has been seted up to the upper surface of backup pad, every heating tube has all been placed in the arc wall, two solid fixed splint have been placed to the upper end of heating tube, every solid fixed splint's both ends are all fixed in the backup pad, the wire guide has been seted up to one side of bed die, the wire guide intercommunication first recess.

Preferably, the first model groove and the second model groove have the same size.

Preferably, locking mechanism includes the clamp plate, the clamp plate passes through the bolt fastening and is in on the last mould, the welding of lower surface one side of clamp plate has Y type connecting plate, Y type connecting plate is kept away from the one end welding of clamp plate has the threaded rod, lie in on the bed die the below fixedly connected with fixed block of threaded rod, the threaded rod runs through the fixed block, the threaded rod is kept away from the one end threaded connection of Y type connecting plate has the nut.

Preferably, the through holes are evenly distributed.

Preferably, the heat absorbing sheet is a metal iron sheet.

Preferably, the fixing splint is a plastic elastic splint.

The utility model provides an injection mold with heating function, beneficial effect lies in: the utility model discloses a locking mechanism will go up the mould and fix with the bed die, generate heat after the heating tube structure circular telegram, and the heat absorption piece in the through-hole absorbs the heat, because heat absorption piece evenly distributed is in first recess for the raw materials in notes type groove is heated evenly, simple structure, it is even to be heated.

Drawings

Fig. 1 is a schematic structural view of an injection mold with a heating function according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an injection mold with a heating function according to the present invention;

fig. 3 is a schematic structural view of the middle support plate of the present invention.

In the figure: the heat-absorbing device comprises a lower die 1, supporting legs 2, a first die groove 3, an upper die 4, an injection molding pipe 5, a second die groove 6, a connecting groove 7, a guide post 8, a pressing plate 9, a Y-shaped connecting plate 10, a threaded rod 11, a fixing block 12, a nut 13, a first groove 14, a first groove 15, a through hole 16, a heat absorbing sheet 17, an arc-shaped groove 18, a supporting plate 19, a heating pipe 20, a fixing clamp plate 21 and a wire guide hole 22.

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 with a heating function comprises a lower mold 1, wherein four corners of the bottom end of the lower mold 1 are fixedly connected with supporting legs 2, the supporting legs 2 are used for supporting the lower mold 1, a first mold groove 3 is formed in the middle of the upper surface of the lower mold 1, guide columns 8 are fixedly connected to the four corners of the upper surface of the lower mold 1, the guide columns 8 are used for facilitating installation of an upper mold 4, the upper mold 4 is placed at the upper end of the lower mold 1, a second mold groove 6 is formed in the middle of the lower surface of the upper mold 4, the first mold groove 3 and the second mold groove 6 are the same in size, the first mold groove 3 and the second mold groove 6 are combined to form a mold groove, an injection pipe 5 is fixedly connected to the middle of the upper mold 4, the injection pipe 5 is used for guiding injection materials into the mold groove, the injection pipe 5 is communicated with the second mold groove 6, go up on mould 4 and all seted up spread groove 7 in one side of every guide post 8, every guide post 8 all is located spread groove 7, when installing mould 4, align spread groove 7 and guide post 8, guide post 8 slides in spread groove 7, will go up mould 4 and fix on lid bed die 1, the equal fixedly connected with locking mechanism in upper end both sides of mould 4, locking mechanism's effect is with last mould 4 locking on bed die 1.

The locking mechanism comprises a pressing plate 9, the pressing plate 9 is fixed on an upper die 4 through bolts, a Y-shaped connecting plate 10 is welded on one side of the lower surface of the pressing plate 9, a threaded rod 11 is welded at one end, away from the pressing plate 9, of the Y-shaped connecting plate 10, a fixed block 12 is fixedly connected to the lower die 1 below the threaded rod 11, the threaded rod 11 penetrates through the fixed block 12, a nut 13 is connected to one end, away from the Y-shaped connecting plate 10, of the threaded rod 11, the threaded rod 11 penetrates through the fixed block 12, the nut 13 is screwed, so that the upper die 4 and the lower die are tightly connected, a first groove 14 is formed in the middle position of the lower surface of the lower die 1, a plurality of through holes 16 are formed in the first groove 14, the through holes 16 are used for mounting heat absorbing sheets 17 and are uniformly distributed, heat absorbing sheets 17 are mounted in each through hole 16 and used, the heat absorbing sheet 17 is a metallic iron sheet.

Second recess 15 has been seted up to one side that first recess 14 keeps away from through-hole 16, second recess 15's effect is erection bracing board 19, there is backup pad 19 through the mounting screw in the second recess 15, a plurality of arc 18 has been seted up to backup pad 19's upper surface, heating tube 20 has been installed to the effect of arc 18, heating tube 20 has all been placed in every arc 18, heating tube 20's effect is the back production of heat of circular telegram, the heating tube 20 is established ties each other, two solid fixed splint 21 have been placed to heating tube 20's upper end, gu fixed splint 21's effect is solid heating tube 20, gu fixed splint 21 is the plastics elasticity splint, the both ends of every solid fixed splint 21 are all fixed on backup pad 19, wire guide 22 has been seted up to one side of lower mould 1, wire guide 22's effect is that heating tube 20 links to each other with external power source, wire guide 22 communicates first recess 14.

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 with a heating function comprises a lower mold (1), wherein supporting legs (2) are fixedly connected to four corners of the bottom end of the lower mold (1), a first mold groove (3) is formed in the middle position of the upper surface of the lower mold (1), and is characterized in that guide columns (8) are fixedly connected to four corners of the upper surface of the lower mold (1), an upper mold (4) is placed at the upper end of the lower mold (1), a second mold groove (6) is formed in the middle position of the lower surface of the upper mold (4), an injection pipe (5) is fixedly connected to the middle position of the upper mold (4), the injection pipe (5) is communicated with the second mold groove (6), a connecting groove (7) is formed in one side, located on each guide column (8), of the upper mold (4), and each guide column (8) is located in the connecting groove (7), the two sides of the upper end of the upper die (4) are fixedly connected with locking mechanisms, a first groove (14) is formed in the middle position of the lower surface of the lower die (1), a plurality of through holes (16) are formed in the first groove (14), a heat absorbing sheet (17) is installed in each through hole (16), a second groove (15) is formed in one side, away from the through holes (16), of the first groove (14), a supporting plate (19) is installed in each second groove (15) through screws, a plurality of arc-shaped grooves (18) are formed in the upper surface of each supporting plate (19), a heating pipe (20) is placed in each arc-shaped groove (18), two fixing clamping plates (21) are placed at the upper end of each heating pipe (20), two ends of each fixing clamping plate (21) are fixed on the supporting plate (19), a wire guide hole (22) is formed in one side of the lower die (1), the wire guide hole (22) is communicated with the first groove (14).

2. An injection mould with heating function according to claim 1, characterized in that the first mould groove (3) is the same size as the second mould groove (6).

3. The injection mold with the heating function as claimed in claim 1, wherein the locking mechanism comprises a pressing plate (9), the pressing plate (9) is fixed on the upper mold (4) through bolts, a Y-shaped connecting plate (10) is welded on one side of the lower surface of the pressing plate (9), a threaded rod (11) is welded at one end of the Y-shaped connecting plate (10) far away from the pressing plate (9), a fixing block (12) is fixedly connected to the lower portion of the threaded rod (11) on the lower mold (1), the threaded rod (11) penetrates through the fixing block (12), and a nut (13) is connected to one end of the threaded rod (11) far away from the Y-shaped connecting plate (10) through threads.

4. An injection mould with heating function according to claim 1, characterized in that the through holes (16) are evenly distributed.

5. An injection mould with heating function according to claim 1, characterized in that the heat absorbing sheet (17) is a metal iron sheet.

6. An injection mould with heating function according to claim 1, characterized in that the fixing clamping plate (21) is a plastic elastic clamping plate.