CN106738730A - The local cooling device of plastic mould - Google Patents
The local cooling device of plastic mould Download PDFInfo
- Publication number
- CN106738730A CN106738730A CN201611200581.9A CN201611200581A CN106738730A CN 106738730 A CN106738730 A CN 106738730A CN 201611200581 A CN201611200581 A CN 201611200581A CN 106738730 A CN106738730 A CN 106738730A
- Authority
- CN
- China
- Prior art keywords
- cooling
- water
- branch pipe
- stop sheet
- aqueduct
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to cooling device technical field, disclose the local cooling device of plastic mould, aqueduct including water inlet pipe, outlet pipe and annular, is connected with the cooling branch pipe closed at some two ends on aqueduct, the upper end of cooling branch pipe is provided with and water inlet and delivery port are connected with aqueduct；The inwall of the relative both sides of cooling branch pipe is provided with trapezoidal groove, and the width of the width less than top of bottom portion of groove is provided with hollow water-stop sheet on two grooves, the thickness of water-stop sheet is identical with the width of bottom portion of groove；The two ends of water-stop sheet are equipped with the sealing strip of rubber, and spring is connected between two sealing strips；The upper surface of high-end sealing block is slidably connected with the inner surface on cooling branch pipe top, and shifting block is connected with the sealing strip on top, and the bottom for cooling down branch pipe is provided with the through hole connected with cooling branch pipe inside.Solve the problems, such as that prior art cool time is long, cooling effect is bad, cooling effectiveness is low.
Description
Technical field
The invention belongs to cooling device field, and in particular to the local cooling device of plastic mould.
Background technology
Plastics are, with monomer as raw material, by addition polymerization or the macromolecular compound of polycondensation polymerized, to be commonly called as plastics
Or resin, can freely change composition and body styles, by synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant
Deng additive composition.Because the impact resistance of plastics is good, good insulating, thermal conductivity it is low, with the preferable transparency and abrasion performance
Property, and processing cost is low, therefore be widely used.Plastic products are generally all to utilize formed in mould, and plastics
Product can substantial amounts of radiating in the process of shaping, it is therefore desirable to which the inside to mould cools down.
Therefore, patent publication No. is the Chinese patent of CN104526917B, there is provided a kind of plastic mould inside is local cold
But device, includes water inlet pipe, outlet pipe and the water guide endless tube connected with water inlet pipe and outlet pipe, and water guide endless tube is provided with cooling
Branch pipe, waterproof strip is provided with cooling branch pipe.This programme is flowed into water guide endless tube by cooling water from water inlet pipe, then into first
In root cooling branch pipe, due to being provided with waterproof strip, cooling water flows downward along the side of first cooling branch pipe, reaches bottom
Afterwards due to follow-up hydraulic pressure, and bypass under waterproof strip flows up along the opposite side of cooling branch pipe and be back to and enter in water guide endless tube
A piece cooling branch pipe, finally flows into outlet pipe discharge again, and cooling branch pipe may be inserted into mould inside and be cooled down, and cooling is convenient,
And good cooling results.
But, such scheme there is problems：1st, the thickness of each section of usual plastic products be it is different, because
This radiating in shaping is different, it is necessary to the time of cooling is also different, when cool down by said apparatus, the few mould of radiating
Part cooling after, the part of many moulds of radiating is also without cooling completely, it is necessary to proceed cooling, two parts can not be same
When cool down completely, the time of cooling is long；2nd, such scheme enters first cooling branch pipe by cooling water, is flowed out after cooling, then
Into second cooling branch pipe, the water for now being flowed out in first cooling branch pipe carries temperature, therefore causes second cooling branch
The cooling effect of pipe is bad；3rd, after such scheme is cooled down mould inside by the cooling water in first cooling branch pipe, then enter
Enter second cooling branch pipe, when causing first cooling branch pipe to cool down, second cooling branch pipe is not cooled down, the effect of cooling
Rate is low.
The content of the invention
Local cooling device the invention is intended to provide plastic mould, to solve, prior art cool time is long, cool down effect
The low problem of really bad, cooling effectiveness.
To achieve the above object, the present invention provides following technical scheme, the local cooling device of plastic mould, including water inlet
Pipe, outlet pipe and the annular aqueduct being connected between water inlet pipe and outlet pipe, are connected with some two ends and seal on aqueduct
Close and with the cooling branch pipe of aqueduct end vertical, cooling branch pipe be rectangle, cool down branch pipe upper end be provided with water inlet and water outlet
Mouthful, water inlet and delivery port are connected with aqueduct；The relative both sides inwall of cooling branch pipe is provided with trapezoidal groove, and its is recessed
Width at the top of groove is provided with the water-stop sheet of inner hollow more than the width of bottom between two grooves, and the thickness of water-stop sheet with
The width of bottom portion of groove is identical；The two ends of water-stop sheet are equipped with the sealing strip of rubber, and the upper end of water-stop sheet is provided with opening, upper end
Sealing strip is slidably connected with the inwall of water-stop sheet, and the sealing strip of upper end is connected with shifting block, and sealing strip and the water-stop sheet of lower end are consolidated
Fixed connection, is provided with spring in water-stop sheet, one end of spring is connected with the sealing strip of upper end, and the other end connects with the sealing strip of lower end
Connect, the bottom for cooling down branch pipe is provided with the through hole connected with cooling branch pipe inside.
The technique effect of this programme technical characteristic：Because cooling branch pipe is provided with multiple, and cooling branch pipe small volume, energy
Enough stretch into mould inside carries out Local cooling to mould；During cooling, pass through to cool down branch from the water inlet pipe of aqueduct by cooling water
The water inlet of pipe is flowed into cooling branch pipe, after Local cooling is carried out near the side of water inlet in mould then logical by continuing
Enter cooling water, cooling water entered the opposite side of cooling branch pipe from the side of cooling branch pipe by cooling down the through hole of branch bottom of the tube,
Local cooling is carried out near the side of delivery port to mould, then from delivery port outflow, so circulation is cooled down；Can lead to during cooling
Cross and stir shifting block, shifting block gives end thrust on water-stop sheet, water-stop sheet is swung in the space between two grooves, so as to change cold
But between branch pipe water-stop sheet both sides cooling chamber's volume so that cooling branch pipe Liang Ge cooling chamber can cool down different radiatings
Mould inside, spring role be then shifting block thrust disappear when so that water-stop sheet homing；It is cold at first
But when branch pipe is cooled down, the water part in aqueduct is flowed into first cooling branch pipe, and another part flows into other cold
But in branch pipe, many cooling branch pipes can be cooled down to mould inside simultaneously；Band after water cooling in first cooling branch pipe
There is heat, extruded by the cooling water for continuing to be passed through, flowed into aqueduct from delivery port, carried out by the cooling water in aqueduct
Cooling, the cooling effect made it into when in other cooling branch pipes is still preferable；Sealing strip for quality of rubber materials, therefore every
When water plate is slided, stretched by the sealing strip of rubber, drive spring elongation, cooling branch pipe can be divided into Liang Ge cooling chamber.
The know-why of this programme is：Cooling branch pipe is stretched into mould inside, to injecting cooling water, cooling water in water inlet pipe
First side of cooling branch pipe is entered from the water inlet of cooling branch pipe by aqueduct, then cooling water is entered by through hole again
The opposite side of branch pipe is cooled down, then is flowed out from the delivery port of opposite side, aqueduct is again introduced into, by aqueduct to the cold of cooling water
But, it is again introduced into another cooling branch pipe, so circulation, so as to lower the temperature to mould inside；It is every due to mould inside
There is difference in the radiating of individual part, therefore, stir shifting block so that water-stop sheet swings in groove, change is separated by water-stop sheet
Liang Ge cooling chamber volume, so as to change the contact area of cooling water and mould, reach different cooling effects, cool down
Afterwards, extruded by follow-up cooling water, cooling chamber is flowed out from delivery port, converged with the cooling water in aqueduct, lower the temperature, then flow
Enter in follow-up cooling branch pipe.
What this programme can be produced has the technical effect that：1st, by the swing by water-stop sheet between two grooves, water-stop sheet is changed
The area of the Liang Ge cooling chamber being divided into, therefore the cooling velocity of the part of the different radiatings of mould inside can be made consistent, it is to avoid wave
Take time when waiting many parts of radiating to cool down, reduce cool time；2nd, prior art enters first cooling by cooling water
Branch pipe, flows out after cooling, enters back into second cooling branch pipe, and the water for now being flowed out in first cooling branch pipe carries temperature, because
This causes the cooling effect of second cooling branch pipe bad, this programme by the water energy of outflow in first cooling branch pipe it is enough with lead
Water in water pipe is lowered the temperature after converging, and enters back into other cooling branch pipes, therefore the effect of cooling is good；3rd, the water warp in aqueduct
After crossing first cooling branch pipe, flow forward is may proceed to, into second cooling branch pipe, branch pipe cooling will not be cooled down at first
After complete, second cooling branch pipe just begins to cool down, the efficiency high of this programme cooling.
The following is the preferred scheme based on such scheme：
Preferred scheme one：The cooling branch pipe is copper pipe.The thermal conductivity of copper is good, can in time derive the temperature of mould inside,
Cooled down by cooling water, lowered the temperature, while low cost, can be cost-effective.
Preferred scheme two：Based on preferred scheme one, four angles at the top of the cooling branch pipe are respectively connected with copper wire.Pass through
Copper wire will cool down the heat derives on branch pipe, heat derives can be lowered the temperature while by cooling down water cooling, improve
The efficiency of cooling.
Preferred scheme three：Based on preferred scheme two, the aqueduct inner ring is provided with the first sealing ring, and it is close that outer ring is provided with second
Seal.Sealing ring can avoid cooling water from spilling in inflow mould, it is ensured that not interfere with the shaping of mould.
Preferred scheme four：Based on preferred scheme three, the water-stop sheet is adiabatic material.Avoid cooling down the two chambers of branch pipe
Between heat conduction, influence mould cools.
Preferred scheme five：Based on preferred scheme four, the top of the water-stop sheet is provided with limiting plate.Water-stop sheet is moved in groove
When dynamic, the sealing block at two ends can be stretched, and limiting plate can avoid sealing block from being drawn out from water-stop sheet in stretching.
Brief description of the drawings
Fig. 1 is the structural representation of the local cooling device of plastic mould of the present invention；
Fig. 2 is the structural representation of present invention cooling branch pipe.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Water inlet pipe 1, outlet pipe 2, aqueduct 3, the first sealing ring 31, second are sealed
Circle 32, cooling branch pipe 4, water inlet 41, delivery port 42, groove 43, water-stop sheet 44, sealing strip 441, spring 442, through hole 45, copper
Silk 46, shifting block 47.
As shown in Figure 1 and Figure 2, the local cooling device of plastic mould, including water inlet pipe 1, outlet pipe 1 and with water inlet pipe 1 and
The annular aqueduct 3 of the connection of outlet pipe 2, is connected with four closed at both ends and the cooling branch vertical with aqueduct 3 on aqueduct 3
Pipe 4, cooling branch pipe 4 is copper, and is rectangle；The inner ring of aqueduct 3 is provided with the first sealing ring 31, and it is close that outer ring is provided with second
Seal 32.
The arranged on left and right sides of cooling branch pipe 4 upper end is respectively equipped with the delivery port 42 and water inlet 41 connected with aqueduct 3, cold
But the front and rear madial wall of branch pipe 4 offers groove 43 in echelon, the width of the width more than bottom at the top of groove 43, two
The water-stop sheet 44 of inner hollow is provided between groove 43；The upper end of water-stop sheet 44 is provided with opening, and the upper and lower ends of water-stop sheet 44 are equal
The sealing strip 441 of rubber is provided with, and the upper end of water-stop sheet 44 is additionally provided with limiting plate, water-stop sheet 44 is interior to be additionally provided with spring 442, spring
442 two ends are connected with upper and lower two sealing strips 441 respectively；Cool down being further opened with and cooling down inside branch pipe 4 for the bottom of branch pipe 4
The through hole 45 of connection, and four angles on cooling branch pipe 4 top are respectively connected with copper wire 46；It is connected with the sealing strip 441 of upper end and is dialled
Block 47.
During using the present embodiment, first, branch pipe 4 will be cooled down and be put into the mould inside for needing cooling, then to being filled in water inlet pipe 1
Enter cooling water, cooling water is flowed into aqueduct 3 by water inlet pipe 1, then entered in cooling branch pipe 4 by water inlet 41, according to mould
Tool it is internal it is radiating and it is different, stir shifting block 47 so that water-stop sheet 44 under the thrust of shifting block 47, in the interior slip of groove 43,
Cooling branch pipe 4 is divided into two different cooling chamber of volume, the different mould insides to radiating carry out Local cooling；Cooling
Afterwards, continue to be passed through cooling water, the opposite side that cooling water is extruded to cooling branch pipe 4 is cooled down, near the side of delivery port 42
After mould cooling, cooling water flows out from delivery port 42 and converges with the cooling water in aqueduct 3, lowers the temperature；First cooling branch pipe 4 enters
During row cooling, the cooling water in aqueduct 3 enters other cooling branch pipes 4, while being cooled down；After completing cooling, cooling water
Flowed out by outlet pipe 2, and be collected, then cooling branch pipe 4 is taken out from mould inside, just complete cooling.
For a person skilled in the art, on the premise of structure of the present invention is not departed from, some changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these effects and patent for implementing all without the influence present invention
Practicality.
Claims (6)
1. the local cooling device of plastic mould, including water inlet pipe, outlet pipe and the ring being connected between water inlet pipe and outlet pipe
The aqueduct of shape, be connected with aqueduct some two ends close and with the cooling branch pipe of aqueduct end vertical, its feature exists
In：Cooling branch pipe is rectangle, and the upper end for cooling down branch pipe is provided with water inlet and delivery port, and water inlet and delivery port connect with aqueduct
It is logical；The cooling relative both sides inwall of branch pipe is provided with trapezoidal groove, and its groove top width of the width more than bottom, two
The water-stop sheet of inner hollow is provided between individual groove, and the thickness of water-stop sheet and the width of bottom portion of groove are identical；The two of water-stop sheet
End is equipped with the sealing strip of rubber, and the upper end of water-stop sheet is provided with opening, and the sealing strip of upper end is slidably connected with the inwall of water-stop sheet,
And the sealing strip of upper end is connected with shifting block, the sealing strip of lower end is fixedly connected with water-stop sheet, and spring is provided with water-stop sheet, spring
One end is connected with the sealing strip of upper end, and the other end is connected with the sealing strip of lower end, and the bottom for cooling down branch pipe is provided with and cooling branch pipe
The through hole of inside connection.
2. the local cooling device of plastic mould according to claim 1, it is characterised in that：The cooling branch pipe is copper
Pipe.
3. the local cooling device of plastic mould according to claim 2, it is characterised in that：The top of the cooling branch pipe
Four angles be respectively connected with copper wire.
4. the local cooling device of plastic mould according to claim 3, it is characterised in that：The aqueduct inner ring is provided with
First sealing ring, outer ring is provided with the second sealing ring.
5. the local cooling device of plastic mould according to claim 4, it is characterised in that：The water-stop sheet is heat insulating material
Matter.
6. the local cooling device of plastic mould according to claim 5, it is characterised in that：The top of the water-stop sheet sets
Limited location plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200581.9A CN106738730B (en) | 2016-12-22 | 2016-12-22 | The local cooling device of plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200581.9A CN106738730B (en) | 2016-12-22 | 2016-12-22 | The local cooling device of plastic mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106738730A true CN106738730A (en) | 2017-05-31 |
| CN106738730B CN106738730B (en) | 2018-12-04 |
Family
ID=58897897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200581.9A Active CN106738730B (en) | 2016-12-22 | 2016-12-22 | The local cooling device of plastic mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738730B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127824A (en) * | 2017-12-20 | 2018-06-08 | 广东德新科技孵化器有限公司 | A kind of cooling body of plastic mould |
| CN112848097A (en) * | 2020-12-21 | 2021-05-28 | 李元义 | Injection mold for producing injection molding pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006347015A (en) * | 2005-06-16 | 2006-12-28 | Toyo Mach & Metal Co Ltd | Injection molding machine |
| CN201098978Y (en) * | 2007-09-07 | 2008-08-13 | 四川天鑫塑胶管业有限公司 | Plastic inspection well launder body die-casting forming die |
| CN202388658U (en) * | 2011-12-16 | 2012-08-22 | 富港电子（东莞）有限公司 | Mold |
| CN104526917A (en) * | 2014-12-23 | 2015-04-22 | 英杰精密模塑股份有限公司 | Local cooling device for interior of plastic mold |
-
2016
- 2016-12-22 CN CN201611200581.9A patent/CN106738730B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006347015A (en) * | 2005-06-16 | 2006-12-28 | Toyo Mach & Metal Co Ltd | Injection molding machine |
| CN201098978Y (en) * | 2007-09-07 | 2008-08-13 | 四川天鑫塑胶管业有限公司 | Plastic inspection well launder body die-casting forming die |
| CN202388658U (en) * | 2011-12-16 | 2012-08-22 | 富港电子（东莞）有限公司 | Mold |
| CN104526917A (en) * | 2014-12-23 | 2015-04-22 | 英杰精密模塑股份有限公司 | Local cooling device for interior of plastic mold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127824A (en) * | 2017-12-20 | 2018-06-08 | 广东德新科技孵化器有限公司 | A kind of cooling body of plastic mould |
| CN112848097A (en) * | 2020-12-21 | 2021-05-28 | 李元义 | Injection mold for producing injection molding pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106738730B (en) | 2018-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106738730A (en) | The local cooling device of plastic mould | |
| CN207657095U (en) | A kind of thermoplastic material coforming mold | |
| CN108215101A (en) | A kind of spherical shape injection mold cooling equipment and cooling means | |
| CN108819124A (en) | Seal the injection mold of needle opening and closing heat flow passage sprue | |
| CN205631327U (en) | Plastic tubing cooling device that can cyclic utilization water resource | |
| CN207711354U (en) | A kind of PVC profile dry and wet mixing vacuum sizing device | |
| CN216610006U (en) | Soft barrel mold and soft barrel mold cooling system | |
| CN206551395U (en) | Modular nozzle bull hot runner system with valve needle | |
| CN205818406U (en) | A kind of extrusion molding mould with umbellate form flow dividing structure | |
| CN206484816U (en) | A kind of plastic mould for being provided with efficient cooling water channel | |
| CN201442337U (en) | Cooling and molding water tank for profile extrusion | |
| CN209812984U (en) | Mold cooler assembly | |
| CN106064460A (en) | A kind of quick cooled proof sea culture net cage pallet body vacuum cooled shaper | |
| CN208468943U (en) | Seal the injection mold of needle opening and closing heat flow passage sprue | |
| CN107160627A (en) | A kind of high plastic shape-forming mould of security performance | |
| CN206201453U (en) | A kind of quick cooled proof sea culture net cage pallet body vacuum cooled shaper | |
| CN209440788U (en) | A kind of corrugated pipe forming machine of good cooling results | |
| CN208263320U (en) | Injection mold with cooling pipe | |
| CN209566423U (en) | A kind of energy-saving foaming and forming apparatus | |
| CN2749665Y (en) | Core internal cooling extrusion dies | |
| CN207579021U (en) | High-efficiency water cooling heat radiating type injection mold system | |
| CN206484825U (en) | The hot runner system with valve needle of the small spacing arrangement of one nozzle bull | |
| CN218928595U (en) | Modified plastic blow molding cooling device | |
| CN205905361U (en) | Mold cooling water way structure | |
| CN220741958U (en) | Special piece mould with cooling structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |