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CN112936821A - Long dropper blowing mould with good cooling performance - Google Patents

Long dropper blowing mould with good cooling performance Download PDF

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Publication number
CN112936821A
CN112936821A CN202110394326.7A CN202110394326A CN112936821A CN 112936821 A CN112936821 A CN 112936821A CN 202110394326 A CN202110394326 A CN 202110394326A CN 112936821 A CN112936821 A CN 112936821A
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CN
China
Prior art keywords
cooling
heat exchange
channel
sub
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110394326.7A
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Chinese (zh)
Inventor
张江华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuhuan chugang Mould Technology Co.,Ltd.
Original Assignee
Yuhuan Chugang Mould Factory
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuhuan Chugang Mould Factory filed Critical Yuhuan Chugang Mould Factory
Priority to CN202110394326.7A priority Critical patent/CN112936821A/en
Publication of CN112936821A publication Critical patent/CN112936821A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/48Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/02Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/78Measuring, controlling or regulating
    • B29C49/786Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a long dropper blow molding die with good cooling performance, which comprises an upper die frame, a lower die frame, an upper die plate and a lower die plate, wherein an upper die cavity is formed on the end surface of the upper die plate; one end of the heat exchange plate, which is positioned on the lower supporting plate, is provided with a plurality of uniformly distributed placing holes, heat exchange columns are inserted into the placing holes, and heat exchange pore channels are uniformly distributed around each placing hole.

Description

Long dropper blowing mould with good cooling performance
Technical Field
The invention belongs to the technical field of blow molding dies, and particularly relates to a long dropper blow molding die with good cooling performance.
Background
The plastic dropper is made of PE, PET and other materials, and is an indispensable experimental consumable in the industries of laboratories, food research, medicine and the like. Has the advantages of low cost, simple use, etc.
The requirement for the plastic dropper becomes larger because the plastic dropper is needed for nucleic acid detection, but the cooling time of the traditional round dropper forming die is long, so that the production period is prolonged.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a long dropper blow mold which is simple in structure and good in cooling performance.
In order to achieve the purpose, the invention provides the following technical scheme: a long dropper blow molding die with good cooling performance comprises an upper die frame, a lower die frame, an upper die plate and a lower die plate, wherein an upper die cavity is formed on the end surface of the upper die plate, a lower die cavity is formed on the end surface of the lower die plate, the upper die plate comprises an upper supporting plate, a heat exchange plate and a lower supporting plate, the upper die cavity is formed on the end surface of the lower supporting plate, the lower supporting plate is fixedly arranged at the lower end of the heat exchange plate, and the upper supporting plate is fixedly arranged at the upper end of the heat exchange plate; one end of the heat exchange plate, which is positioned on the lower supporting plate, is provided with a plurality of uniformly distributed placing holes, heat exchange columns are inserted into the placing holes, and heat exchange pore channels are uniformly distributed around each placing hole; an auxiliary flow channel for uniformly distributing cooling liquid for the heat exchange pore channel is arranged in the upper supporting plate, the auxiliary flow channel is communicated with the heat exchange pore channel, and the lower supporting plate seals the lower end of the heat exchange pore channel and the placing hole; and a cooling inlet end and a cooling outlet end which are communicated with the auxiliary flow channel are arranged on two sides of the upper supporting plate.
The invention is further configured to: the heat exchange column is made of a high-heat-conductivity graphite material.
The invention is further configured to: the heat exchange pore channels comprise an upstream pore channel, a downstream pore channel and a receiving pore channel, the upstream pore channel is connected with the downstream pore channel through the receiving pore channel, and the upstream pore channel and the downstream pore channel are vertically arranged at intervals and are uniformly distributed around the placement hole.
The invention is further configured to: the cooling constant temperature device comprises a running water cooling tank, a cooling water tank is arranged in the running water cooling tank, right baffles are uniformly distributed on one side wall of the inner wall of the cooling water tank along a straight line, left baffles are uniformly distributed on the inner wall of the cooling water tank and the other side wall opposite to the side wall where the right baffles are located along a straight line, and the right baffles are distributed on the left baffles in a staggered manner; the right baffle and the left baffle are both heat-conducting plates, and both the right baffle and the left baffle penetrate through the cooling water tank and extend into the running water cooling tank; temperature sensors are uniformly distributed on the right baffle and the side wall where the baffle is positioned; and a water inlet pipeline and a water outlet pipeline which extend out of the running water cooling tank are arranged on two sides of the cooling water tank, the water inlet pipeline is connected with the cooling outlet end, and the water outlet pipeline is connected with the cooling inlet end.
The invention is further configured to: and a running water inlet port and a running water outlet port are respectively arranged on two sides of the running water cooling tank.
The invention is further configured to: the auxiliary flow channel comprises a branch inflow flow channel, a branch outflow flow channel, a branch inflow sub-flow channel and a branch outflow sub-flow channel; the sub-inflow flow channel is communicated with the sub-inflow flow channel, and the sub-outflow flow channel is communicated with the sub-outflow flow channel; the sub-inflow runner and the sub-outflow runner are not communicated with each other on the upper support plate and the sub-inflow runner and the sub-outflow runner are not communicated with each other on the upper support plate; the sub-flow inlet channel is communicated with the upper flow hole channel, and the sub-flow outlet channel is communicated with the lower flow hole channel.
The invention is further configured to: the flow path cross-sectional area of the sub-inflow flow path becomes smaller along the direction in which the coolant flows, and the flow path cross-sectional area of the sub-inflow flow path becomes smaller along the direction in which the coolant flows.
The invention is further configured to: the running water inlet is connected with a first vacuum pump through a pipeline, and a second vacuum pump is connected with the inlet pipeline between the water outlet pipeline and the cooling inlet.
The invention is further configured to: the cooling thermostat device also comprises a controller, the output end of the temperature sensor is connected with the controller, and the first vacuum pump and the second vacuum pump are controlled by the controller in a programming mode.
Compared with the prior art, the invention has the following advantages: the upper template is fixed with two layers by three independent parts, namely an upper supporting plate, a heat exchange plate and a lower supporting plate, so that the forming of each structure can be facilitated, and the integrity and the use safety of the internal structure of the upper template are ensured; the heat dissipation performance of the whole upper template is ensured through the matching of the auxiliary flow channel and the heat exchange pore channel, and the heat dissipation effect can be further improved through the matching of the heat exchange column;
through setting up temperature sensor, the temperature of cooling liquid in the response business turn over mould to the controller can be reasonable must control the output of vacuum pump, thereby has ensured the velocity of flow and the flow that the cooling liquid got into in the mould, and improves radiating effect and effect through bilayer structure's cooling constant temperature equipment, and then has ensured the holistic thermal diffusivity of mould.
Drawings
FIG. 1 is a schematic view of the structure of a mold according to the present invention;
FIG. 2 is a schematic structural view of an upper mold plate according to the present invention;
FIG. 3 is a schematic view of the cooling structure of the upper mold plate according to the present invention;
reference numbers in the drawings and corresponding part names: 1-an upper mold frame, 2-a lower mold frame, 3-a lower mold plate, 4-an upper support plate, 5-a heat exchange plate, 6-a lower support plate, 7-a cooling inlet end, 8-a cooling outlet end, 9-an upstream pore channel, 10-a downstream pore channel, 11-a receiving pore channel, 12-a cooling water tank, 13-a right baffle, 14-a left baffle, 15-a water inlet pipeline, 16-a water outlet pipeline, 17-a split inflow channel, 18-a split outflow channel, 19-a split inflow sub-channel, 20-a split outflow sub-channel, 21-a first vacuum pump, 22-a second vacuum pump, 23-a running water cooling tank and 24-a heat exchange column.
Detailed Description
One embodiment of the present invention is further explained with reference to fig. 1 to 3.
A long dropper blow molding die with good cooling performance comprises an upper die frame 1, a lower die frame 2, an upper die plate and a lower die plate 3, wherein an upper die cavity is formed on the end surface of the upper die plate, a lower die cavity is formed on the end surface of the lower die plate 3, the upper die plate comprises an upper supporting plate 4, a heat exchange plate 5 and a lower supporting plate 6, the upper die cavity is formed on the end surface of the lower supporting plate 6, the lower supporting plate 6 is fixedly arranged at the lower end of the heat exchange plate 5, and the upper supporting plate 4 is fixedly arranged at the upper end of the heat exchange plate 5; one end of the heat exchange plate 5, which is positioned on the lower support plate 6, is provided with a plurality of uniformly distributed placing holes, heat exchange columns 24 are inserted into the placing holes, and heat exchange pore channels are uniformly distributed around each placing hole; an auxiliary flow channel for uniformly distributing cooling liquid for the heat exchange pore channel is arranged in the upper supporting plate 4, the auxiliary flow channel is communicated with the heat exchange pore channel, and the lower supporting plate 6 seals the lower end of the heat exchange pore channel and the placing hole; and a cooling inlet end 7 and a cooling outlet end 8 communicated with the auxiliary flow channel are arranged on two sides of the upper supporting plate 4.
Further: the heat exchange column 24 is made of a high thermal conductivity graphite material.
Further: the heat exchange pore channels comprise an upper flow pore channel 9, a lower flow pore channel 10 and a receiving pore channel 11, wherein the upper flow pore channel 9 is connected with the lower flow pore channel 10 through the receiving pore channel 11, and the upper flow pore channel 9 and the lower flow pore channel 10 are vertically arranged at intervals and evenly distributed around the arrangement hole.
Further: the cooling thermostat device comprises a running water cooling tank 23, a cooling water tank 12 is arranged in the running water cooling tank 23, right baffles 13 are uniformly distributed on one side wall of the inner wall of the cooling water tank 12 along a straight line, left baffles 14 are uniformly distributed on the inner wall of the cooling water tank 12 and the other side wall opposite to the side wall where the right baffles 13 are located along a straight line, and the right baffles 13 are distributed on the left baffles 14 in a staggered manner; the right baffle 13 and the left baffle 14 are both heat conducting plates, and the right baffle 13 and the left baffle 14 both penetrate through the cooling water tank 12 and extend into the live water cooling tank 23; temperature sensors are uniformly distributed on the right baffle 13 and the side wall where the baffle is positioned; and a water inlet pipeline 15 and a water outlet pipeline 16 which extend out of the running water cooling tank 23 are arranged on two sides of the cooling water tank 12, the water inlet pipeline 15 is connected with the cooling outlet end 8, and the water outlet pipeline 16 is connected with the cooling inlet end 7.
The cooling liquid flows along the S-shaped broken line route under the matching of the right baffle 13 and the left baffle 14, so that the cooling effect of the cooling liquid can be ensured, a good cooling effect can be provided for the cooling water tank 12 through the arrangement of the running water cooling tank 23, and the constant temperature cooling of the mold can be ensured by the cooling constant temperature device.
Further: a running water inlet port and a running water outlet port are respectively arranged on two sides of the running water cooling tank 23.
Further: the auxiliary flow channel comprises a branch inflow flow channel 17, a branch outflow flow channel 18, a branch inflow sub-flow channel 19 and a branch outflow sub-flow channel 20; the branch inflow runner 17 is communicated with a branch inflow sub-runner 19, and the branch outflow runner 18 is communicated with a branch outflow sub-runner 20; the branch inflow channel 17 and the branch outflow channel 18 are not communicated with each other on the upper support plate 4, and the branch inflow sub-channel 19 and the branch outflow sub-channel 20 are not communicated with each other on the upper support plate 4; the branched inflow sub-flow passage 19 communicates with the upstream flow passage 9, and the branched outflow sub-flow passage 20 communicates with the downstream flow port 10.
The above structure is advantageous for cooling the heat exchange column 24, so that the temperature distribution uniformity of the entire upper mold is improved.
Further: the flow path cross-sectional area of the sub-inflow flow path 17 becomes smaller in the direction in which the coolant flows, and the flow path cross-sectional area of the sub-inflow flow path 19 becomes smaller in the direction in which the coolant flows.
Further: the inlet of the running water is connected with a first vacuum pump 21 through a pipeline, the inlet pipeline between the water outlet pipeline 16 and the cooling inlet end 7 is connected with a second vacuum pump 22, and the outlet of the running water discharges water to an external cooling pool through a pipeline.
Further: the cooling thermostat device also comprises a controller, the output end of the temperature sensor is connected with the controller, and the first vacuum pump 21 and the second vacuum pump 22 are controlled by the controller in a programming mode.
The upper template is fixed with two layers by three independent parts, namely an upper support plate 4, a heat exchange plate 5 and a lower support plate 6, so that the forming of each structure can be facilitated, and the integrity and the use safety of the internal structure of the upper template are ensured; the heat dissipation performance of the whole upper template is ensured through the matching of the auxiliary flow channel and the heat exchange pore channel, and the heat dissipation effect can be further improved through the matching of the heat exchange column 24;
through setting up temperature sensor, the temperature of cooling liquid in the response business turn over mould to the controller can be reasonable must control the output of vacuum pump, thereby has ensured the velocity of flow and the flow that the cooling liquid got into in the mould, and improves radiating effect and effect through bilayer structure's cooling constant temperature equipment, and then has ensured the holistic thermal diffusivity of mould.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides a long burette blowing mould that cooling performance is good, includes die carrier (1), lower die carrier (2), cope match-plate pattern and lower bolster (3), and the terminal surface of cope match-plate pattern is formed with last die cavity, is formed with lower die cavity, characterized by on the terminal surface of lower bolster (3): the upper die plate comprises an upper supporting plate (4), a heat exchange plate (5) and a lower supporting plate (6), an upper die cavity is formed on the end surface of the lower supporting plate (6), the lower supporting plate (6) is fixedly arranged at the lower end of the heat exchange plate (5), and the upper supporting plate (4) is fixedly arranged at the upper end of the heat exchange plate (5); one end of the heat exchange plate (5) positioned on the lower supporting plate (6) is provided with a plurality of uniformly distributed placing holes, heat exchange columns (24) are inserted into the placing holes, and heat exchange pore channels are uniformly distributed around each placing hole; an auxiliary flow channel for uniformly distributing cooling liquid for the heat exchange pore channel is arranged in the upper supporting plate (4), the auxiliary flow channel is communicated with the heat exchange pore channel, and the lower supporting plate (6) seals the lower end of the heat exchange pore channel and the placing hole; and a cooling inlet end (7) and a cooling outlet end (8) which are communicated with the auxiliary flow channel are arranged on two sides of the upper supporting plate (4).
2. The long dropper blow mold of claim 1, wherein the cooling performance is as follows: the heat exchange column (24) is made of a high-heat-conductivity graphite material.
3. The long dropper blow mold of claim 2, wherein the cooling performance is as follows: the heat exchange pore channels comprise an upstream pore channel (9), a downstream pore channel (10) and a receiving pore channel (11), the upstream pore channel (9) is connected with the downstream pore channel (10) through the receiving pore channel (11), and the upstream pore channel (9) and the downstream pore channel (10) are vertically arranged at intervals and are uniformly distributed around the arrangement hole.
4. A long dropper blow mold according to claim 3, wherein the cooling performance is as follows: the cooling and constant temperature device comprises a running water cooling tank (23), a cooling water tank (12) is arranged in the running water cooling tank (23), right baffles (13) are uniformly distributed on one side wall of the inner wall of the cooling water tank (12) along a straight line, left baffles (14) are uniformly distributed on the inner wall of the cooling water tank (12) and the other side wall opposite to the side wall where the right baffles (13) are located along a straight line, and the right baffles (13) are distributed on the left baffles (14) in a staggered manner; the right baffle (13) and the left baffle (14) are both heat-conducting plates, and the right baffle (13) and the left baffle (14) both penetrate through the cooling water tank (12) and extend into the running water cooling tank (23); temperature sensors are arranged on the cooling inlet end (7) and the cooling outlet end (8); and a water inlet pipeline (15) and a water outlet pipeline (16) which extend out of the live water cooling tank (23) are arranged on two sides of the cooling water tank (12), the water inlet pipeline (15) is connected with the cooling outlet end (8), and the water outlet pipeline (16) is connected with the cooling inlet end (7).
5. The long dropper blow mold of claim 4, wherein the cooling performance is as follows: and a running water inlet port and a running water outlet port are respectively arranged on two sides of the running water cooling tank (23).
6. The long dropper blow mold of claim 5, wherein the cooling performance is as follows: the auxiliary flow channel comprises a branch inflow flow channel (17), a branch outflow flow channel (18), a branch inflow sub-flow channel (19) and a branch outflow sub-flow channel (20); the branch inflow runner (17) is communicated with the branch inflow sub-runner (19), and the branch outflow runner (18) is communicated with the branch outflow sub-runner (20); the branch inflow runner (17) and the branch outflow runner (18) are not communicated with each other on the upper support plate (4), and the branch inflow sub-runner (19) and the branch outflow sub-runner (20) are not communicated with each other on the upper support plate (4); the branch inflow sub-flow passage (19) is communicated with the upstream pore passage (10), and the branch outflow sub-flow passage (20) is communicated with the downstream pore passage (10).
7. The long dropper blow mold of claim 6, wherein the cooling performance is as follows: the flow path cross-sectional area of the sub-inflow flow path (17) is reduced along the direction in which the coolant flows, and the flow path cross-sectional area of the sub-inflow flow path (19) is reduced along the direction in which the coolant flows.
8. The long drop tube blow mold with good cooling performance of claim 7, wherein: the running water inlet is connected with a first vacuum pump (21) through a pipeline, and a second vacuum pump (22) is connected between the water outlet pipeline (16) and the cooling inlet (7) through a pipeline.
9. The long drop tube blow mold with good cooling performance of claim 8, wherein: the cooling thermostat device also comprises a controller, the output end of the temperature sensor is connected with the controller, and the first vacuum pump (21) and the second vacuum pump (22) are controlled by the controller in a programming mode.
CN202110394326.7A 2021-04-13 2021-04-13 Long dropper blowing mould with good cooling performance Withdrawn CN112936821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110394326.7A CN112936821A (en) 2021-04-13 2021-04-13 Long dropper blowing mould with good cooling performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110394326.7A CN112936821A (en) 2021-04-13 2021-04-13 Long dropper blowing mould with good cooling performance

Publications (1)

Publication Number Publication Date
CN112936821A true CN112936821A (en) 2021-06-11

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ID=76232457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110394326.7A Withdrawn CN112936821A (en) 2021-04-13 2021-04-13 Long dropper blowing mould with good cooling performance

Country Status (1)

Country Link
CN (1) CN112936821A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113997545A (en) * 2021-11-02 2022-02-01 玉环楚港模具科技有限公司 Efficient circle burette blowing mould

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113997545A (en) * 2021-11-02 2022-02-01 玉环楚港模具科技有限公司 Efficient circle burette blowing mould

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Date Code Title Description
PB01 Publication
PB01 Publication
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210611

Address after: 317605 Gushui, Nanpu community, Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province

Applicant after: Yuhuan chugang Mould Technology Co.,Ltd.

Address before: Gu Shui Cun, Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province 317600

Applicant before: Yuhuan chugang mould factory

SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210611