CN213006412U - Injection mold with long service life - Google Patents

Injection mold with long service life Download PDF

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Publication number
CN213006412U
CN213006412U CN202021627534.4U CN202021627534U CN213006412U CN 213006412 U CN213006412 U CN 213006412U CN 202021627534 U CN202021627534 U CN 202021627534U CN 213006412 U CN213006412 U CN 213006412U
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Prior art keywords
channel
water inlet
water outlet
main
core
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CN202021627534.4U
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Chinese (zh)
Inventor
万寿珍
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Suzhou Triumph Electrical And Mechanical Components Co ltd
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Suzhou Triumph Electrical And Mechanical Components Co ltd
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Abstract

The utility model provides an injection mold with long service life, which comprises a plurality of integrally formed cores, wherein each core is internally provided with a conformal cooling channel formed by 3D printing, each conformal cooling channel comprises a water inlet end and a water outlet end, and the water inlet end and the water outlet end are arranged at one end of the bottom of the core; each conformal cooling channel is communicated with a main cooling channel; each main cooling channel comprises a main water inlet channel and a main water outlet channel, wherein one main water inlet channel is connected with the non-negative pressure mold temperature controller; the utility model discloses having changed traditional cooling channel straight from top to bottom, having guaranteed refrigerated quality, also having avoided the problem of infiltration, having guaranteed the life of mould, and adopt non-negative pressure mould temperature machine can realize the cooling, combine the use of sealing washer, further prevent the emergence of infiltration, prolonged the life of mould.

Description

Injection mold with long service life
Technical Field
The utility model belongs to the technical field of the injection moulding equipment and specifically relates to an injection mold with long service life is related to.
Background
At present conventional mould cooling water route is with ordinary lathe processing, can only process straight hole or inclined hole, can not process special-shaped water hole, and this plastic products is because of the wall thickness is inhomogeneous, and the appearance is the U type, if the cooling is uneven after the shaping, then can lead to the goods indent, can not reach the goods picture requirement. In order to solve the problems, the existing method is to divide a mold core into 3 blocks during mold design, process water holes respectively, and then adopt a negative pressure water temperature machine for cooling to form a cooling loop, thereby achieving the effect of cooling the mold core; the defects of the existing method are that the processing cost is high, the maintenance of the die is complicated, and no sealing ring can be arranged between 3 cores, so that water seepage is easy to occur, the cores are rusted, and the service life of the die is shortened.
Disclosure of Invention
In order to solve the problem, the utility model provides a long service life's injection mold.
The main contents of the utility model include:
an injection mold with long service life comprises an upper mold and a lower mold which are matched with each other, wherein a plurality of cores are arranged on the lower mold, the cores are of an integrally formed structure, a 3D printing formed conformal cooling channel is arranged inside each core, each conformal cooling channel comprises a water inlet end and a water outlet end, and the water inlet end and the water outlet end are arranged at one end of the bottom of each core; each conformal cooling channel is communicated with a main cooling channel; each main cooling channel comprises a main water inlet channel and a main water outlet channel, one end of each main water inlet channel is connected with the water inlet end of the corresponding mold core conformal cooling channel, and one end of each main water outlet channel is connected with the water outlet end of the corresponding mold core conformal cooling channel; a main water inlet and a main water outlet are formed in one side of the lower die; the other end of one main water inlet channel is connected with a non-negative pressure mold temperature controller through the main water inlet, and the other ends of the other main water inlet channels are connected with the non-negative pressure mold temperature controller or the other main water outlet channel of the other main cooling channel; the main water outlet is connected with the other end of the main water outlet channel of one of the main cooling channels.
Preferably, the conformal cooling channels comprise a first water inlet channel and a second water inlet channel extending along the height direction of the core, a third water inlet channel and a fourth water inlet channel extending along the length direction of the core, and a conformal connecting channel extending along the width direction of the core, a first water outlet channel and a second water outlet channel extending along the height direction of the core, and a third water outlet channel and a fourth water outlet channel extending along the length direction of the core; the water inlet end is connected with one end of the first water inlet channel, and the other end of the first water inlet channel is communicated with one end of the third water inlet channel; one end of the fourth water inlet channel is communicated with the other end of the third water inlet channel, the other end of the fourth water inlet channel is communicated with one end of the second water inlet channel, and the other end of the second water inlet channel is communicated with one end of the conformal connecting channel; the other end of the conformal connecting channel is communicated with one end of the first water outlet channel, the other end of the first water outlet channel is communicated with one end of the third water outlet channel, the other end of the third water outlet channel is communicated with one end of the fourth water outlet channel, the other end of the fourth water outlet channel is communicated with one end of the second water outlet channel, and the other end of the second water outlet channel is communicated with the water outlet end.
Preferably, the conformal cooling channel further comprises a water inlet connecting channel and a water outlet connecting channel which extend along the height direction; the other end of the third water inlet channel is communicated with one end of the fourth water inlet channel through the water inlet connecting channel; the other end of the third water outlet channel is communicated with one end of the fourth water outlet channel through the water outlet connecting channel.
Preferably, a secondary water inlet and a secondary water outlet are further arranged on one side of the lower die, the core comprises a first core and a second core, the other end of the main water inlet channel connected with the water inlet end of the first core is connected with the non-negative pressure die temperature controller, and the other end of the main water outlet channel connected with the water outlet end of the first core is connected with the secondary water outlet; the other end of the main water inlet channel connected with the water inlet end of the second core is connected with the secondary water inlet.
Preferably, the mold further comprises a main transition channel, and the other end of the main water outlet channel connected with the water outlet end of the first mold core is connected with the other end of the main water inlet channel connected with the water inlet end of the second mold core through the main transition channel.
Preferably, the mould also comprises a plurality of backing plates, and the cores are arranged on the lower mould through the backing plates; a first main connecting channel and a second main connecting channel are arranged in the base plate, and the main water inlet channel is connected with the water inlet end through the first main connecting channel; the main water outlet channel is connected with the water outlet end through the second main connecting channel.
Preferably, the water inlet end and the water outlet end of each core are provided with sealing rings.
The beneficial effects of the utility model reside in that: the utility model provides a long service life's injection mold adopts integrated into one piece's core, and has 3D in this core and print fashioned cooling channel along with shape, has changed traditional cooling channel straight from top to bottom, has guaranteed refrigerated quality, has also avoided the problem of infiltration, has guaranteed the life of mould, and adopts non-negative pressure mould temperature machine to realize the cooling, combines the use of sealing washer, further prevents the emergence of infiltration, has prolonged the life of mould.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a top view of a core of the present invention;
FIG. 4 is a side view of the core of the present invention;
description of the drawings: 1-lower mould; 100-main water inlet; 101-a main water outlet; 102-from the water inlet; 103-from the water outlet;
11-a main water inlet channel; 12-a main water outlet channel; 2-a mold core; 21-a first core; 22-a second core; 3-conformal cooling channels; 31-water inlet end; 311-a first water inlet channel; 312-a second water inlet channel; 313-a third water inlet channel; 314-a fourth water inlet channel; 315-conformal connection channel; 316-water inlet connecting channel; 32-water outlet end; 320-a main transition channel;
323-third water outlet channel; 324-a fourth water outlet channel; 326-water outlet connecting channel; 4-backing plate.
Detailed Description
The technical solution protected by the present invention will be specifically described below with reference to the accompanying drawings.
Please refer to fig. 1 to fig. 4. The utility model provides an injection mold with long service life, which comprises an upper mold and a lower mold 1 which are matched with each other, wherein a plurality of cores 2 are arranged on the lower mold, the cores 2 are of an integrated structure, a conformal cooling channel 3 formed by 3D printing is arranged inside each core 2, each conformal cooling channel 3 comprises a water inlet end 31 and a water outlet end 32, and the water inlet end 31 and the water outlet end 32 are arranged at one end of the bottom of the core 2; each conformal cooling channel 3 is communicated with a main cooling channel; each main cooling channel comprises a main water inlet channel 11 and a main water outlet channel 12, one end of each main water inlet channel 11 is connected with a water inlet end 31 of the corresponding conformal cooling channel 3 of the core 2, and one end of each main water outlet channel 11 is connected with a water outlet end 32 of the corresponding conformal cooling channel 3 of the core 2; a main water inlet 100 and a main water outlet 101 are formed in one side of the lower die 1; the other end of one of the main water inlet channels 11 is connected with a non-negative pressure mold temperature controller through the main water inlet 100, and the other ends of the other main water inlet channels 11 are connected with the non-negative pressure mold temperature controller or the other end of the main water outlet channel 12 of the other main cooling channel; the main water outlet 100 is connected to the other end of the main water outlet channel 12 of one of the main cooling channels.
In one embodiment, the number of the cores 2 is two, the cores 2 comprise a first core 21 and a second core 22, one side of the lower die 1 is further provided with a secondary water inlet 102 and a secondary water outlet 103, the other end of the main water inlet channel 11 connected with the water inlet end of the first core 21 is connected with the non-negative pressure die temperature machine, and the other end of the main water outlet channel 12 connected with the water outlet end of the first core 21 is connected with the secondary water outlet 103; the other end of the main water inlet passage 11 connected to the water inlet end of the second core 21 is connected to the slave water inlet 102.
In one embodiment, the secondary water inlet 102 can be connected with another non-negative pressure mold temperature controller, and the water outlet end of the second core 22 flows out of the primary water outlet 101; the water outlet end of the first core 21 flows out of the water outlet 102.
In one embodiment, the secondary water outlet 103 is connected with the secondary water inlet 102 through a primary transition channel 320 and enters the secondary core 22, that is, the other end of the primary water outlet channel 12 connected with the water outlet end of the primary core 21 is connected with the other end of the primary water inlet channel 11 connected with the water inlet end of the secondary core 22 through the primary transition channel 320.
In one embodiment, the device further comprises a plurality of backing plates 4, and a plurality of cores 2 are arranged on the lower die 1 through the backing plates 4; a first main connecting channel and a second main connecting channel are arranged in the backing plate 4, and the main water inlet channel is connected with the water inlet end 31 through the first main connecting channel; the main water outlet channel is connected with the water outlet end 32 through the second main connecting channel; namely, the main water inlet channel 11 and the main water outlet channel 12 are both arranged in the lower die 1.
Further, the conformal cooling channel 3 comprises a first water inlet channel 311 and a second water inlet channel 312 extending along the height direction of the core, a third water inlet channel 313 and a fourth water inlet channel 314 extending along the length direction of the core, a conformal connecting channel 315 extending along the width direction of the core, a first water outlet channel 321 and a second water outlet channel 322 extending along the height direction of the core, and a third water outlet channel 323 and a fourth water outlet channel 324 extending along the length direction of the core; the water inlet end 31 is connected with one end of the first water inlet channel 311, and the other end of the first water inlet channel 311 is communicated with one end of the third water inlet channel 313; one end of the fourth water inlet channel 314 is communicated with the other end of the third water inlet channel 313, the other end of the fourth water inlet channel 314 is communicated with one end of the second water inlet channel 312, and the other end of the second water inlet channel 312 is communicated with one end of the conformal connecting channel 315; the other end of the conformal connecting channel 315 is communicated with one end of the first water outlet channel 321, the other end of the first water outlet channel 321 is communicated with one end of the third water outlet channel 323, the other end of the third water outlet channel 323 is communicated with one end of the fourth water outlet channel 324, the other end of the fourth water outlet channel 424 is communicated with one end of the second water outlet channel 322, and the other end of the second water outlet channel 322 is communicated with the water outlet end 32.
In one embodiment, the conformal cooling passage 3 further comprises a water inlet connection passage 316 and a water outlet connection passage 326 extending in the height direction; the other end of the third water inlet channel 313 is communicated with one end of the fourth water inlet channel 314 through the water inlet connecting channel 316; the other end of the third water outlet passage 323 is communicated with one end of the fourth water outlet passage 324 through the water outlet connection passage 326.
Preferably, at each core 2 the end 31 of intaking and the play water end 32 department still are provided with the sealing washer, have avoided the emergence of infiltration problem, prevent that the core from rustting, have prolonged the life of mould.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (7)

1. The injection mold with the long service life is characterized by comprising an upper mold and a lower mold which are matched with each other, wherein a plurality of cores are arranged on the lower mold, the cores are of an integrally formed structure, a 3D printing formed conformal cooling channel is arranged inside each core, each conformal cooling channel comprises a water inlet end and a water outlet end, and the water inlet end and the water outlet end are arranged at one end of the bottom of each core; each conformal cooling channel is communicated with a main cooling channel; each main cooling channel comprises a main water inlet channel and a main water outlet channel, one end of each main water inlet channel is connected with the water inlet end of the corresponding mold core conformal cooling channel, and one end of each main water outlet channel is connected with the water outlet end of the corresponding mold core conformal cooling channel; a main water inlet and a main water outlet are formed in one side of the lower die; the other end of one main water inlet channel is connected with a non-negative pressure mold temperature controller through the main water inlet, and the other ends of the other main water inlet channels are connected with the non-negative pressure mold temperature controller or the other main water outlet channel of the other main cooling channel; the main water outlet is connected with the other end of the main water outlet channel of one of the main cooling channels.
2. An injection mold having a long service life as claimed in claim 1, wherein said conformal cooling channels comprise first and second water inlet channels extending in a height direction of said core, third and fourth water inlet channels extending in a length direction of said core, and conformal connecting channels extending in a width direction of said core, first and second water outlet channels extending in a height direction of said core, and third and fourth water outlet channels extending in a length direction of said core; the water inlet end is connected with one end of the first water inlet channel, and the other end of the first water inlet channel is communicated with one end of the third water inlet channel; one end of the fourth water inlet channel is communicated with the other end of the third water inlet channel, the other end of the fourth water inlet channel is communicated with one end of the second water inlet channel, and the other end of the second water inlet channel is communicated with one end of the conformal connecting channel; the other end of the conformal connecting channel is communicated with one end of the first water outlet channel, the other end of the first water outlet channel is communicated with one end of the third water outlet channel, the other end of the third water outlet channel is communicated with one end of the fourth water outlet channel, the other end of the fourth water outlet channel is communicated with one end of the second water outlet channel, and the other end of the second water outlet channel is communicated with the water outlet end.
3. The injection mold of claim 2, wherein the conformal cooling channel further comprises a water inlet connection channel and a water outlet connection channel extending in a height direction; the other end of the third water inlet channel is communicated with one end of the fourth water inlet channel through the water inlet connecting channel; the other end of the third water outlet channel is communicated with one end of the fourth water outlet channel through the water outlet connecting channel.
4. The injection mold with long service life according to claim 1, wherein a secondary water inlet and a secondary water outlet are further arranged on one side of the lower mold, the cores comprise a first core and a second core, the other end of the main water inlet channel connected with the water inlet end of the first core is connected with the non-negative pressure mold temperature controller, and the other end of the main water outlet channel connected with the water outlet end of the first core is connected with the secondary water outlet; the other end of the main water inlet channel connected with the water inlet end of the second core is connected with the secondary water inlet.
5. An injection mold having a long service life as claimed in claim 4, further comprising a main transition passage, wherein the other end of the main water outlet passage connected to the water outlet end of the first core is connected to the other end of the main water inlet passage connected to the water inlet end of the second core through the main transition passage.
6. An injection mould with a long service life according to any one of claims 1 to 5, further comprising a plurality of base plates, wherein a plurality of cores are arranged on the lower mould through the base plates; a first main connecting channel and a second main connecting channel are arranged in the base plate, and the main water inlet channel is connected with the water inlet end through the first main connecting channel; the main water outlet channel is connected with the water outlet end through the second main connecting channel.
7. An injection mould having an extended service life as claimed in any one of claims 1 to 5, further comprising sealing rings disposed at the water inlet and outlet ends of each core.
CN202021627534.4U 2020-08-07 2020-08-07 Injection mold with long service life Active CN213006412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021627534.4U CN213006412U (en) 2020-08-07 2020-08-07 Injection mold with long service life

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021627534.4U CN213006412U (en) 2020-08-07 2020-08-07 Injection mold with long service life

Publications (1)

Publication Number Publication Date
CN213006412U true CN213006412U (en) 2021-04-20

Family

ID=75463469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021627534.4U Active CN213006412U (en) 2020-08-07 2020-08-07 Injection mold with long service life

Country Status (1)

Country Link
CN (1) CN213006412U (en)

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