CN212021521U

CN212021521U - Replaceable injection mold

Info

Publication number: CN212021521U
Application number: CN202020356001.0U
Authority: CN
Inventors: 王诚
Original assignee: Suzhou Fuxiang Plastic Co ltd
Current assignee: Suzhou Fuxiang Plastic Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-27
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a replaceable injection mold, which comprises a mold frame, a hot runner, a common mold core and a replaceable mold core; the hot runner is positioned in the die carrier, penetrates through the die carrier and is communicated with the interchangeable die core; the public mold core is positioned in the mold frame, is matched with the mold frame and is fixed in the mold frame; the interchangeable mold core is positioned in the common mold core and is detachably and fixedly connected with the common mold core through screws. The utility model provides a pair of removable formula injection mold utilizes and exchanges the mold core and freely change in public mold core, reduces the frequent change of whole mold core, improves the rate of utilization of mould, reduces mold core manufacturing cost simultaneously, improves the economic benefits of enterprise.

Description

Replaceable injection mold

Technical Field

The utility model relates to a removable formula injection mold.

Background

Traditional injection mold all prescribes a limit according to the product size, because hot injection molding itself has high accuracy, consequently can't cover general in large-scale production process, consequently the product of different specifications needs different moulds to produce, and removable formula's mould is because of being used by each big firm, but traditional mold core change need be directed against the mold core of the product preparation different specifications of different specifications, can use behind mold core and the die carrier that adopts to match with it, equal to all changed the inner member of mould, not only influence the change speed, also can certain incremental cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the utility model provides a removable formula injection mold, through setting up public mold core and interchange mold core, realize local change, in addition with exchanging the mold core and designing into removable module, effectively improve change efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: a replaceable injection mold comprises a mold frame, a hot runner, a common mold core and a replaceable mold core; the hot runner is positioned in the die carrier, penetrates through the die carrier and is communicated with the interchangeable die core; the public mold core is positioned in the mold frame, is matched with the mold frame and is fixed in the mold frame; the interchangeable die core is positioned in the public die core and is detachably and fixedly connected with the public die core through a screw;

the interchangeable mold core comprises an interchangeable upper mold and an interchangeable lower mold; the interchangeable upper die and the interchangeable lower die correspond to each other and are combined to form a die core of the die; the interchangeable upper die comprises an upper die base, an interchangeable hot runner, an upper die core and a positioning hole; the upper die seat is positioned on the common die core and is fixedly connected with the common die core through a screw; the heat exchange flow channel penetrates through the upper die base, one end of the heat exchange flow channel is connected to the upper die core, and the other end of the heat exchange flow channel is connected with the hot runner; the upper die core is positioned at the bottom of the upper die base and corresponds to the interchangeable lower die; the positioning hole is positioned on one side of the upper die base and extends to the interchangeable lower die.

Furthermore, the upper die core is provided with a plurality of upper die cores which are uniformly distributed on the interchangeable upper die.

Furthermore, the interchangeable lower die comprises a lower die base, a positioning screw hole, a lower die core and an assembling hole; the lower die base is positioned on the common die core and matched with the common die core; the positioning screw hole is positioned on the surface of the lower die base, extends into the lower die base and is matched with the positioning hole; the lower die core is positioned on the surface of the lower die base and combined with the upper die core to form a die core for die forming; the assembling holes are positioned around the lower die base, penetrate through the lower die base and extend to the common die core.

Furthermore, the lower die core is provided with a plurality of dies which are uniformly distributed on the interchangeable lower die.

Furthermore, the public mold core is provided with an upper layer and a lower layer, the upper layer is positioned above the interchangeable upper mold, is connected with the mold frame and is used for positioning the interchangeable upper mold; the lower layer is positioned below the interchangeable upper die, is connected with the die carrier and is used for positioning the interchangeable lower die.

Furthermore, the upper layer and the lower layer are both provided with positioning pin holes, and the positioning pin holes penetrate through the public mold core and correspond to the mold frame.

Furthermore, the die carrier is provided with a positioning pin which is matched with the common die core and fixed on the die carrier through a bolt.

Compared with the prior art, the utility model provides a pair of removable formula injection mold utilizes and exchanges the mold core and freely change in public mold core, reduces the frequent change of whole mold core, improves the rate of utilization of mould, reduces mold core manufacturing cost simultaneously, improves the economic benefits of enterprise.

Drawings

Fig. 1 shows a main sectional view of the present invention.

Wherein: 1. the hot runner mold comprises a mold frame, 2 hot runners, 3 common mold cores, 4 interchangeable mold cores, 5 interchangeable upper molds, 6 interchangeable lower molds, 7 lower mold bases, 8 positioning screw holes, 9 lower mold cores, 10 assembling holes, 11 upper layers, 12 lower layers, 13 positioning pin holes, 14 positioning pins, 15 upper mold bases, 16 interchangeable hot runners, 17 upper mold cores and 18 positioning holes.

Detailed Description

As shown in the figure, the replaceable injection mold comprises a mold frame 1, a hot runner 2, a common mold core 3 and a replaceable mold core 4; the hot runner 2 is positioned in the die carrier 1, penetrates through the die carrier 1 and is communicated with the interchangeable die core 4; the common mold core 3 is positioned in the mold frame 1, is matched with the mold frame 1 and is fixed in the mold frame 1; the interchangeable mold core 4 is positioned inside the common mold core 3 and is detachably and fixedly connected with the common mold core 3 through screws;

the interchangeable mold core 4 comprises an interchangeable upper mold 5 and an interchangeable lower mold 6; the interchangeable upper die 5 and the interchangeable lower die 6 correspond to each other and are combined to form a die core of the die; the interchangeable upper die 5 comprises an upper die base 15, an interchangeable hot runner 162, an upper die core 17 and a positioning hole 18; the upper die base 15 is positioned on the common die core 3 and is fixedly connected with the common die core 3 through screws; the heat exchange flow channel 2 penetrates through the upper die base 15, one end of the heat exchange flow channel is connected to the upper die core 17, and the other end of the heat exchange flow channel is connected to the hot runner 2; the upper die core 17 is positioned at the bottom of the upper die seat 15 and corresponds to the interchangeable lower die 6; the positioning hole 18 is located at one side of the upper die base 15 and extends to the interchangeable lower die 6.

Further, the upper die core 17 is provided with a plurality of upper die cores which are uniformly distributed on the interchangeable upper die 5.

Further, the interchangeable lower die 6 comprises a lower die base 7, a positioning screw hole 8, a lower die core 9 and an assembling hole 10; the lower die holder 7 is positioned on the common die core 3 and is matched with the common die core 3; the positioning screw hole 8 is positioned on the surface of the lower die holder 7, extends into the lower die holder 7 and is matched with the positioning hole 18; the lower die core 9 is positioned on the surface of the lower die base 7 and combined with the upper die core 17 to form a die core for die forming; the assembling holes 10 are positioned around the lower die holder 7, penetrate through the lower die holder 7 and extend to the common die core 3.

Furthermore, the lower die core 9 is provided with a plurality of dies which are evenly distributed on the interchangeable lower die 6.

Further, the common mold core 3 is provided with an upper layer 11 and a lower layer 12, the upper layer 11 is positioned above the interchangeable upper mold 5, is connected with the mold frame 1, and simultaneously positions the interchangeable upper mold 5; the lower layer 12 is positioned below the interchangeable upper die 5, is connected with the die carrier 1 and is used for positioning the interchangeable lower die 6.

Furthermore, the upper layer 11 and the lower layer 12 are both provided with positioning pin holes 13, and the positioning pin holes 13 penetrate through the common mold core 3 and correspond to the mold frame 1.

Furthermore, the die carrier 1 is provided with a positioning pin 14 which is matched with the common die core 3 and fixed on the die carrier 1 through a bolt.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A replaceable injection mold is characterized by comprising a mold frame, a hot runner, a common mold core and a replaceable mold core; the hot runner is positioned in the die carrier, penetrates through the die carrier and is communicated with the interchangeable die core; the public mold core is positioned in the mold frame, is matched with the mold frame and is fixed in the mold frame; the interchangeable die core is positioned in the public die core and is detachably and fixedly connected with the public die core through a screw;

2. The replaceable injection mold of claim 1, wherein the upper mold core is provided in a plurality of uniform distribution on the replaceable upper mold.

3. The replaceable injection mold according to claim 1, wherein the replaceable lower mold comprises a lower mold base, positioning screw holes, a lower mold core and assembling holes; the lower die base is positioned on the common die core and matched with the common die core; the positioning screw hole is positioned on the surface of the lower die base, extends into the lower die base and is matched with the positioning hole; the lower die core is positioned on the surface of the lower die base and combined with the upper die core to form a die core for die forming; the assembling holes are positioned around the lower die base, penetrate through the lower die base and extend to the common die core.

4. A replaceable injection mold as defined in claim 3, wherein the lower mold core is provided in a plurality of uniform distribution on the replaceable lower mold.

5. A replaceable injection mold according to claim 1, wherein the common core is provided with an upper layer and a lower layer, the upper layer being located above the interchangeable upper mold and being connected to the mold frame while positioning the interchangeable upper mold; the lower layer is positioned below the interchangeable upper die, is connected with the die carrier and is used for positioning the interchangeable lower die.

6. A replaceable injection mould as claimed in claim 5, wherein the upper and lower layers are provided with locating pin holes, the locating pin holes extending through the common mould core and corresponding to the mould carrier.

7. A replaceable injection mould as claimed in claim 6, wherein the mould carrier is provided with locating pins which co-operate with the common mould core and are bolted to the mould carrier.