CN217293384U - Cooling water channel structure of injection mold - Google Patents
Cooling water channel structure of injection mold Download PDFInfo
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- CN217293384U CN217293384U CN202220244031.1U CN202220244031U CN217293384U CN 217293384 U CN217293384 U CN 217293384U CN 202220244031 U CN202220244031 U CN 202220244031U CN 217293384 U CN217293384 U CN 217293384U
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Abstract
The utility model discloses an injection mold cooling water path structure, relate to the field of moulding plastics, be equipped with the core mold insert on the public template, vertical water route has been seted up to the core mold insert, the limbers has been seted up on the public template, be equipped with horizontal water route in the public template, the limbers both ends communicate horizontal water route and vertical water route respectively, vertical water route upper end is equipped with the copper end cap, be equipped with the separation piece in the vertical water route, the copper end cap sets up with the separation piece interval, the clearance between copper end cap and the separation piece forms mixes the water region, the separation piece separates into first water route and second water route with vertical water route, be equipped with the water diversion piece in the limbers, first water route and second water route are separated into with the limbers to the water diversion piece, first water route intercommunication first water route, second water route intercommunication second water route. A longitudinal water path is designed in the core insert, and the water through hole is divided into a water outlet hole and a water inlet hole through a water dividing sheet, so that the temperature of the formed insert is reduced, the cooling forming period is shortened, the die forming period is saved, and the processing cost is saved.
Description
Technical Field
The utility model relates to a field of moulding plastics especially relates to an injection mold cooling water route structure.
Background
Injection molding is a method for producing and molding industrial products with an injection mold cooling water channel structure, and the injection mold is a main forming mold of an injection molding process. Injection molding is a method for processing a cooling water channel structure of an injection mold used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. Before injection molding and demolding, in order to reduce adhesion between a product and a mold and facilitate demolding, the mold is generally cooled. To the less core of core cross section, because the whole slender form that is of core inner space is narrow and small be not enough to arrange the inlet channel and the outlet channel of water course, the inside water route that lacks of core leads to mould cooling shaping cycle long, causes the mould structure complicacy, difficult maintenance, and manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold cooling water route structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cooling water path structure of an injection mold comprises a male mold plate, wherein a plurality of core inserts are arranged on the male mold plate, longitudinal water paths are formed in the core inserts, the longitudinal water paths extend along the vertical direction, water through holes corresponding to the longitudinal water paths in one-to-one mode are formed in the male mold plate, transverse water paths are formed in the male mold plate, two ends of each water through hole are respectively communicated with the transverse water paths and the longitudinal water paths, a copper plug is arranged at the upper end of each longitudinal water path, a separation sheet is arranged in each longitudinal water path and is spaced from the copper plug, a water mixing area is formed by a gap between the copper plug and the separation sheet, the longitudinal water paths are separated into a first water path and a second water path by the separation sheet, a water diversion sheet is arranged in each water through hole, the lower end of the water diversion sheet is arranged in each transverse water path and divides each water through hole into a first water diversion path and a second water diversion path, two ends of each first water path are respectively communicated with the transverse water paths and the first water paths, and two ends of the second water dividing channel are respectively communicated with the transverse water channel and the second water channel. A first water path and a second water path are cut on the core insert, and cooling liquid in the transverse water path sequentially flows through the first water path, the water mixing area, the second water path and then returns to the transverse water path. A first water channel and a second water channel are separated from each other through a separation sheet in the longitudinal water channel, the opening of the longitudinal water channel is blocked, a water-resisting sheet is arranged in the middle of a water through hole of the male template to separate the water channel, the water channel is designed in the core insert, the cooling molding cycle is shortened, the mold molding cycle is saved, and the processing cost is saved.
Furthermore, a base plate is embedded in the upper surface of the male template, the core inserts penetrate through the base plate, first positioning cavities corresponding to the core inserts in a one-to-one mode are concavely arranged on the lower surface of the base plate, and first positioning blocks matched with the first positioning cavities are arranged at the lower end of the outer wall of each core insert. The core insert is positioned through the first positioning block and the first positioning cavity.
Furthermore, a mounting groove is formed in the middle of the upper surface of the base plate, a fixing plate is embedded in the mounting groove, the core insert penetrates through the fixing plate, forming grooves which correspond to the core inserts one to one are concavely formed in the upper surface of the fixing plate, and the forming grooves are arranged around the core insert. And forming a product by matching the forming groove and the core insert.
Furthermore, the lower surface of the fixing plate is concavely provided with second positioning cavities corresponding to the core inserts one to one, and the upper surface of the first positioning block is convexly provided with second positioning blocks matched with the second positioning cavities. The fixing plate and the core insert are positioned through the second positioning block and the second positioning cavity, and the accuracy of the relative position of the fixing plate and the core insert is improved.
Furthermore, the cross-sectional profiles of the first waterway and the second waterway are both D-shaped. Two D-shaped water paths are processed on the core insert, and the core insert is cooled through water in the first water path and the second water path.
Further, a sealing ring is arranged between the water through hole and the longitudinal water channel. The sealing performance between the limber hole and the longitudinal water channel is improved through the sealing ring, and water seepage at a gap between the limber hole and the longitudinal water channel is avoided.
Furthermore, the separation sheet and the inner wall of the core insert are integrally formed. The separation sheet and the core insert are integrally formed, so that the strength of the separation sheet is improved.
Furthermore, alignment blocks are convexly arranged at four ends of the base plate, and a plurality of positioning pins are arranged on the upper surface of the base plate around the fixing plate. The base plate is positioned through the alignment block and the positioning pin.
Furthermore, a fixed block is embedded in the edge of the upper surface of the male template, and a positioning column is arranged on the upper end face of the fixed block in a protruding mode. Reference column on the fixed block cooperates with the female template, fixes a position public template through the reference column on the fixed block.
Furthermore, the core insert is provided with a first mounting hole, the first mounting hole is formed in one side of the longitudinal water path, the extending direction of the first mounting hole is parallel to the extending direction of the longitudinal water path, a long screw is arranged in the first mounting hole, and a second mounting hole for the long screw to penetrate through is formed in the male template. The core insert is further secured by long screws.
The utility model has the advantages that: a longitudinal water path is designed in the core insert, and the water through hole is divided into a water outlet hole and a water inlet hole through a water dividing sheet, so that the temperature of the formed insert is reduced, the cooling forming period is shortened, the die forming period is saved, and the processing cost is saved.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a top view of a cooling water channel structure of an injection mold according to an embodiment of the present invention;
fig. 2 is a side view of a cooling water channel structure of an injection mold according to an embodiment of the present invention;
fig. 3 is a sectional view taken along a line a-a of an injection mold cooling water path structure according to an embodiment of the present invention;
fig. 4 is a sectional view of a cooling water path structure of an injection mold according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion C of the cooling water channel structure of the injection mold according to an embodiment of the present invention.
The labels in the figure are: the core insert comprises a male template 1, a base plate 2, a fixing plate 3, a core insert 4, a positioning block 21, a positioning pin 22, a fixing block 5, a longitudinal water path 6, a transverse water path 7, a copper plug 8, a separation sheet 9, a water distribution sheet 10 and a sealing ring 11.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 1 to 5, an injection mold cooling waterway structure provided in an embodiment of the present invention includes a core plate 1, the core plate 1 is provided with a plurality of core inserts 4, the core inserts 4 are provided with longitudinal waterways 6, the longitudinal waterways 6 extend in a vertical direction, the core plate 1 is provided with a plurality of water passages corresponding to the longitudinal waterways 6 one by one, the core plate 1 is provided with a plurality of transverse waterways 7, two ends of the water passages are respectively communicated with the transverse waterways 7 and the longitudinal waterways 6, the upper end of the longitudinal waterway 6 is provided with a copper plug 8, the longitudinal waterway 6 is provided with a separation sheet 9, the copper plug 8 and the separation sheet 9 are arranged at a distance, a gap between the copper plug 8 and the separation sheet 9 forms a water mixing region, the separation sheet 9 separates the longitudinal waterway 6 into a first waterway and a second waterway, the water passages are provided with water distribution sheets 10, the lower end of the water diversion sheet 10 is arranged in the transverse water channel 7, the water diversion sheet 10 divides the water through hole into a first water diversion channel and a second water diversion channel, two ends of the first water diversion channel are respectively communicated with the transverse water channel 7 and the first water channel, and two ends of the second water diversion channel are respectively communicated with the transverse water channel 7 and the second water channel. First water route and second water route are cut processing out on core mold insert 4, and the coolant liquid in the horizontal water route 7 returns in the horizontal water route 7 after first water route, muddy water region, second water route, the second divide the water route in proper order. A first water path and a second water path are separated from the interior of the longitudinal water path 6 through the separation sheet 9, the opening of the longitudinal water path 6 is blocked, a water-resisting sheet is arranged in the middle of the water through hole of the male template 1 to separate the water paths, the water path is designed in the core insert 4, the cooling forming period is shortened, the die forming period is saved, and the processing cost is saved.
The core insert is characterized in that a base plate 2 is embedded in the upper surface of the core template 1, the core insert 4 penetrates through the base plate 2, first positioning cavities corresponding to the core inserts 4 one to one are concavely arranged on the lower surface of the base plate 2, and first positioning blocks matched with the first positioning cavities are arranged at the lower ends of the outer walls of the core inserts 4. The core insert 4 is positioned by the first positioning block matching with the first positioning cavity.
The middle part of the upper surface of the base plate 2 is provided with a mounting groove, a fixing plate 3 is embedded in the mounting groove, the core insert 4 penetrates through the fixing plate 3, forming grooves corresponding to the core inserts 4 one to one are concavely arranged on the upper surface of the fixing plate 3, and the forming grooves are arranged around the core inserts 4. The product is formed by matching the forming groove and the core insert 4.
The lower surface of the fixing plate 3 is concavely provided with second positioning cavities corresponding to the core inserts 4 one by one, and the upper surface of the first positioning block is convexly provided with second positioning blocks matched with the second positioning cavities. The fixing plate 3 and the core insert 4 are positioned through the second positioning block and the second positioning cavity, and the accuracy of the relative position of the fixing plate 3 and the core insert 4 is improved.
The cross-sectional profiles of the first waterway and the second waterway are both D-shaped. Two D-shaped water paths are processed on the core insert 4, and the core insert 4 is cooled through water in the first water path and the second water path.
And a sealing ring 11 is arranged between the water through hole and the longitudinal water channel. The sealing performance between the limber hole and the longitudinal water channel is improved through the sealing ring 11, and water seepage at a gap between the limber hole and the longitudinal water channel is avoided.
The separation blade 9 is integrally formed with the inner wall of the core insert 4. The spacer 9 is integrally formed with the core insert 4, which is beneficial to improving the strength of the spacer 9.
Four ends of the backing plate 2 are convexly provided with aligning blocks 21, and the upper surface of the backing plate 2 is provided with a plurality of positioning pins 22 around the fixing plate 3. The backing plate 2 is positioned by the positioning block 21 and the positioning pin 22.
The edge of the upper surface of the male template 1 is embedded with a fixed block 5, and the upper end surface of the fixed block 5 is convexly provided with a positioning column. And the positioning columns on the fixing blocks 5 are matched with the female die plate, and the male die plate 1 is positioned through the positioning columns on the fixing blocks 5.
The core insert 4 is provided with a first mounting hole, the first mounting hole is formed in one side of the longitudinal water path 6, the extending direction of the first mounting hole is parallel to the extending direction of the longitudinal water path 6, a long screw is arranged in the first mounting hole, and a second mounting hole for the long screw to penetrate through is formed in the male template 1. The core insert 4 is further fixed by long screws.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an injection mold cooling water route structure which characterized in that: the core insert is provided with a longitudinal water path, the longitudinal water path extends along the vertical direction, the core plate is provided with water through holes in one-to-one correspondence with the longitudinal water path, a transverse water path is arranged in the core plate, two ends of each water through hole are respectively communicated with the transverse water path and the longitudinal water path, a copper plug is arranged at the upper end of each longitudinal water path, a separation sheet is arranged in each longitudinal water path, the copper plugs and the separation sheets are arranged at intervals, a gap between each copper plug and each separation sheet forms a water mixing area, each separation sheet divides each longitudinal water path into a first water path and a second water path, a water diversion sheet is arranged in each water through hole, the lower end of each water diversion sheet is arranged in each transverse water path, each water through hole is divided into a first water diversion path and a second water diversion path by the water diversion sheet, two ends of each first water diversion path are respectively communicated with the transverse water path and the first water path, and two ends of the second water dividing path are respectively communicated with the transverse water path and the second water path.
2. The cooling water channel structure of the injection mold according to claim 1, characterized in that: the core insert is arranged on the male die plate and comprises a male die plate and a female die plate, wherein a base plate is embedded in the upper surface of the male die plate, the core insert penetrates through the base plate, first positioning cavities corresponding to the core inserts one to one are concavely arranged on the lower surface of the base plate, and first positioning blocks matched with the first positioning cavities are arranged at the lower end of the outer wall of the core insert.
3. The cooling water channel structure of the injection mold according to claim 2, characterized in that: the mold core insert forming device is characterized in that a mounting groove is formed in the middle of the upper surface of the base plate, a fixing plate is embedded in the mounting groove, the mold core insert penetrates through the fixing plate, forming grooves which correspond to the mold core inserts one to one are concavely formed in the upper surface of the fixing plate, and the forming grooves are arranged around the mold core insert.
4. The injection mold cooling waterway structure of claim 3, wherein: the lower surface of the fixing plate is concavely provided with second positioning cavities corresponding to the core inserts one to one, and the upper surface of the first positioning block is convexly provided with second positioning blocks matched with the second positioning cavities.
5. The cooling water channel structure of the injection mold according to claim 1, characterized in that: the cross-sectional profiles of the first waterway and the second waterway are both D-shaped.
6. The cooling water channel structure of the injection mold according to claim 1, characterized in that: and a sealing ring is arranged between the limber hole and the longitudinal water channel.
7. The cooling water channel structure of the injection mold according to claim 1, characterized in that: the separation sheet and the inner wall of the core insert are integrally formed.
8. The cooling water channel structure of the injection mold according to claim 2, characterized in that: the four ends of the backing plate are convexly provided with aligning blocks, and the upper surface of the backing plate is provided with a plurality of positioning pins around the fixing plate.
9. The cooling water channel structure of the injection mold according to claim 1, characterized in that: the edge part of the upper surface of the male template is embedded with a fixed block, and the upper end surface of the fixed block is convexly provided with a positioning column.
10. The cooling water channel structure of the injection mold according to claim 1, characterized in that: the core mold insert is provided with a first mounting hole, the first mounting hole is formed in one side of the longitudinal water path, the extending direction of the first mounting hole is parallel to the extending direction of the longitudinal water path, a long screw is arranged in the first mounting hole, and a second mounting hole for the long screw to penetrate through is formed in the male mold plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244031.1U CN217293384U (en) | 2022-01-29 | 2022-01-29 | Cooling water channel structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244031.1U CN217293384U (en) | 2022-01-29 | 2022-01-29 | Cooling water channel structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217293384U true CN217293384U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220244031.1U Active CN217293384U (en) | 2022-01-29 | 2022-01-29 | Cooling water channel structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217293384U (en) |
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2022
- 2022-01-29 CN CN202220244031.1U patent/CN217293384U/en active Active
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