CN116494486A - Scraper injection mold and injection molding method thereof - Google Patents
Scraper injection mold and injection molding method thereof Download PDFInfo
- Publication number
- CN116494486A CN116494486A CN202310499536.1A CN202310499536A CN116494486A CN 116494486 A CN116494486 A CN 116494486A CN 202310499536 A CN202310499536 A CN 202310499536A CN 116494486 A CN116494486 A CN 116494486A
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- Prior art keywords
- scraper
- plate
- movable
- cooling water
- fixed
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000001746 injection moulding Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000498 cooling water Substances 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
-
- 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
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a scraper injection mold and an injection molding method thereof, and relates to the technical field of injection molds. Through the setting of pushing out mechanism, make the mould can once only carry out the synchronous ejection to runner material and scraper self that produces in the scraper injection molding process to improve the back piece efficiency of scraper in the scraper production process, simultaneously to the synchronous release of runner material and scraper, avoided ejecting efficiency inconsistent as far as possible, lead to taking place the disconnected material between runner material and the scraper, lead to the disconnected material to block up the material runner on the shaping board, thereby influence the condition of scraper next processing, improved the stability of scraper production, improved the result of use of mould.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a scraper injection mold and an injection molding method thereof.
Background
When the pattern is printed, the plastic scraper is abutted against the upper end of the plastic net and continuously scrapes ink back and forth on the plastic net, so that the ink at the upper end of the plastic net is printed on paper or cloth through the pattern, and the plastic scraper is mainly manufactured by molding materials in a molten state in an injection mold.
In the use process of the injection mold of the plastic scraper at present, because the pouring gate material and the scraper are separated in the demolding process, ejector rods with different lengths are often adopted to eject the pouring gate material and the scraper in batches, so that the scraper and the pouring gate material are separated in a broken way due to uneven stress, however, when the scraper and the pouring gate material are separated in a broken way, the breaking part of the pouring gate material and the scraper is broken again due to uneven stress in the subsequent pushing process of the stressed pouring gate material, so that the breaking material is blocked in a material runner, the next injection molding of the scraper is influenced, and the production efficiency of the scraper is reduced.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a scraper injection mold and an injection molding method thereof, which can solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a scraper injection mold, includes cover half bedplate and movable mould bedplate, cover half bedplate and movable mould bedplate are the upper and lower setting, and the fixed surface of cover half bedplate is connected with the runner cover that runs through cover half bedplate surface, and the bottom fixed mounting of cover half bedplate has the cover half plate, and the surface of runner cover is in the inside sliding connection of cover half plate, and the surface of cover half plate has been seted up and has been seted up into die cavity and runner route, and die cavity and runner route intercommunication each other, and the top fixed mounting of movable mould bedplate has two backing plates, and the top fixed mounting of two backing plates has the movable mould board, and the inside of movable mould board is inlayed and is had the shaping board, and shaping cavity and runner route on shaping board and the cover half plate correspond each other, are provided with ejecting mechanism on the movable mould bedplate.
Preferably, the pushing mechanism comprises a pushing plate, the pushing plate is arranged between the two base plates and is in sliding connection with the opposite sides of the two base plates, the surface of the pushing plate is fixedly connected with a plurality of ejector rods, the surfaces of the ejector rods are in sliding connection with the inner part of the movable template, and the surfaces of the ejector rods penetrate through the surface of the forming plate and are in sliding connection with the inner part of the forming plate.
Preferably, a limiting plate is arranged above the pushing plate, and the limiting plate is also arranged between the two backing plates and is in sliding connection with the opposite sides of the two backing plates.
Preferably, an electric assembly is arranged on the surface of the movable die base plate, and the output end of the electric assembly is fixedly connected with the push plate.
Preferably, a cooling water channel is arranged in the fixed die plate and is positioned above the forming cavity and the sprue path.
Preferably, the movable mould plate is also internally provided with a cooling water channel, and the cooling water channel on the movable mould plate penetrates through the surface of the forming plate.
A doctor blade injection molding method, S1: injecting plastic into the fixed template and the movable template through the sprue bush, so that the scraper is molded between the fixed template and the movable template;
s2: opening valves on the two cooling water channels to enable cooling water to absorb heat on the scraper and the pouring gate material, and enabling the scraper and the pouring gate material to be cooled and molded;
s3: carrying out die opening work to separate the fixed die plate from the movable die plate, and exposing the scraper and the pouring gate material outside;
s4: and starting the electric assembly, driving the push plate to rise between the two backing plates, and pushing the ejector rod, so that the ejector rod ejects the scraper and the pouring gate material, and separates from the forming plate to finish demoulding to take down the scraper.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scraper injection mold and the injection molding method thereof, the mold can synchronously eject the pouring gate material and the scraper generated in the scraper injection molding process at one time through the arrangement of the ejection mechanism, so that the withdrawal efficiency of the scraper in the scraper production process is improved, meanwhile, the pouring gate material and the scraper are synchronously ejected, inconsistent ejection efficiency is avoided as much as possible, the pouring gate material and the scraper are prevented from being broken, and the material flow channel on the molding plate is blocked due to the breaking, so that the next processing condition of the scraper is influenced, the production stability of the scraper is improved, and the use effect of the mold is improved.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of a doctor blade injection mold according to the present invention;
FIG. 2 is a schematic view of the surface structure of a movable mold plate according to the present invention;
FIG. 3 is a schematic view of the surface structure of a movable mold plate according to the present invention;
FIG. 4 is a schematic view of the surface structure of the push plate according to the present invention;
FIG. 5 is a schematic view showing the surface structure of the fixed mold plate of the present invention.
Reference numerals: 1. a fixed die seat plate; 2. a stationary mold plate; 3. a movable template; 4. a backing plate; 5. a movable die base plate; 6. a limiting plate; 7. a push plate; 8. a cooling water channel; 9. a sprue bush; 10. forming a plate; 11. an electric component; 12. a push rod; 13. a molding cavity; 14. a gate path.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a scraper injection mold, including cover half bedplate 1 and movable mould bedplate 5, cover half bedplate 1 and movable mould bedplate 5 are the upper and lower setting, cover half bedplate 1's fixed surface is connected with runner cover 9 that runs through cover half bedplate 1 surface, the passageway in the injection mold is provided for the material of molten state, cover half bedplate 1's bottom fixed mounting has cover half plate 2, runner cover 9's surface is in the inside sliding connection of cover half plate 2, forming cavity 13 and runner route 14 have been seted up on cover half plate 2's surface, forming cavity 13 and runner route 14 intercommunication each other, the space that flows is provided for the material of molten state, cover half plate 2's inside is provided with cooling water course 8, cooling water course 8 is located forming cavity 13 and runner route 14 top, provide the flow path for the cooling water, can absorb the heat of the top of shaping scraper, accelerate the cooling efficiency of scraper, make it can design fast.
The top fixed mounting of movable mould bedplate 5 has two backing plates 4, the top fixed mounting of two backing plates 4 has movable mould board 3, the inside of movable mould board 3 is inlayed and is had shaping board 10, shaping cavity 13 and runner route 14 on shaping board 10 and the fixed mould board 2 are mutually applied for the scraper is moulded, the inside of movable mould board 3 is provided with cooling water course 8 equally simultaneously, cooling water course 8 on the movable mould board 3 runs through the surface of shaping board 10, can absorb the heat of scraper below to mutually support with cooling water course 8 of top, absorb the heat of scraper upper and lower both sides for the cooling efficiency of scraper, improve the shaping efficiency of scraper.
The movable die seat board 5 is provided with a push-out mechanism, the push-out mechanism comprises a push plate 7, the push plate 7 is arranged between two base plates 4 and is in sliding connection with the opposite sides of the two base plates 4, a limiting plate 6 is arranged above the push plate 7, the limiting plate 6 is also arranged between the two base plates 4 and is in sliding connection with the opposite sides of the two base plates 4, the limiting plate can be matched with a spring of a die, the sliding distance of the push plate 7 is limited, the surface of the push plate 7 is fixedly connected with a plurality of ejector rods 12, the surface of the ejector rods 12 is in sliding connection with the inner part of the movable die plate 3, the surface of the ejector rods 12 penetrates through the surface of the forming plate 10 and is in sliding connection with the inner part of the forming plate 10, and the ejector rods 12 are of various types and are used for pushing the pouring gate material and the scraper to separate from the forming plate 10.
The surface of the movable die seat board 5 is provided with an electric component 11, and the output end of the electric component 11 is fixedly connected with the push plate 7 to provide a power source for the sliding of the push plate 7.
Further, after the fixed die plate 2 and the movable die plate 3 are assembled, the materials in the external molten state are injected into the forming cavity 13, between the gate path 14 and the forming plate 10 through the gate sleeve 9, so that the forming cavity 13 and the gate path 14 are filled with the cavities on the forming plate 10, and then the scrapers and the gate materials are formed, meanwhile, under the condition that cooling water flows in the cooling water channel 8, the scrapers and the gate materials are cooled, so that the gate materials and the scrapers are shaped, after the shaping, the fixed die plate 2 and the movable die plate 3 are separated, the die is opened, the electric assembly 11 is started, the push plate 7 is pushed, the push plate 7 is enabled to slide between the two base plates 4 to be lifted, the ejector rod 12 is driven to eject the scrapers and the gate materials on the forming plate 10, so that the gate materials and the scrapers are separated from the forming plate 10, the injection molding work of the scrapers is completed, and the die can synchronously eject the gate materials and the scrapers in the production process through the setting of the pushing mechanism at one time, the synchronous pushing-out of the scrapers is avoided, the synchronous pushing-out of the gate materials and the scrapers in the production process is avoided, the pouring gate materials and the scrapers are not consistent, the pushing-out efficiency is enabled to be inconsistent, and the production flow channel 10 is further improved, and the stability is improved.
The invention also provides a doctor injection molding method: s fixed die seat board 1: injection molding is carried out on the fixed template 2 and the movable template 3 through the sprue bush 9, so that the scraper is molded between the fixed template 2 and the movable template 3;
s2: opening valves on the two cooling water channels 8 to enable cooling water to absorb heat on the scraper and the pouring gate material, and enabling the scraper and the pouring gate material to be cooled and molded;
s3: carrying out die opening work to separate the fixed die plate 2 from the movable die plate 3, so that the scraper and the pouring gate material are exposed outside;
s4: the electric assembly 11 is started, the push plate 7 is driven to ascend between the two base plates 4, the ejector rod 12 is ejected, the ejector rod 12 ejects the scraper and the pouring gate material, the scraper and the pouring gate material are separated from the forming plate 10, and demoulding is completed to take down the scraper.
Working principle: after the fixed template 2 and the movable template 3 are clamped, materials in an external molten state are injected between the forming cavity 13, the gate path 14 and the forming plate 10 through the gate sleeve 9, so that the forming cavity 13 and the gate path 14 are filled with the cavities on the forming plate 10, a scraper and a gate material are formed, the scraper and the gate material are cooled under the condition that cooling water flows in the cooling water channel 8, so that the gate material and the scraper are shaped, after the shaping, the fixed template 2 and the movable template 3 are separated, the die opening is carried out, an electric assembly 11 is started, the push plate 7 is pushed, the push plate 7 is made to slide and rise between the two base plates 4, and then the ejector rod 12 is driven to eject the scraper and the gate material on the forming plate 10, so that the gate material and the scraper are separated from the forming plate 10, and the injection molding work of the scraper is finished.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a scraper injection mold, includes cover half bedplate (1) and movable mould bedplate (5), its characterized in that: the fixed die seat board (1) and the movable die seat board (5) are arranged up and down, a sprue bush (9) penetrating through the surface of the fixed die seat board (1) is fixedly connected to the surface of the fixed die seat board (1), a fixed die plate (2) is fixedly arranged at the bottom of the fixed die seat board (1), the surface of the sprue bush (9) is in sliding connection with the inside of the fixed die plate (2), a forming cavity (13) and a sprue path (14) are formed in the surface of the fixed die plate (2), the forming cavity (13) and the sprue path (14) are mutually communicated, two base plates (4) are fixedly arranged above the movable die seat board (5), a movable die plate (3) is fixedly arranged above the two base plates (4), a forming plate (10) is inlaid inside the movable die plate (3), the forming cavity (13) and the sprue path (14) on the fixed die plate (2) are mutually corresponding, and a pushing mechanism is arranged on the movable die seat board (5).
2. A doctor blade injection mold according to claim 1, characterized in that: the pushing mechanism comprises a pushing plate (7), the pushing plate (7) is located between two base plates (4) and is connected with the opposite sides of the two base plates (4) in sliding mode, a plurality of ejector rods (12) are fixedly connected to the surface of the pushing plate (7), the surface of each ejector rod (12) is connected with the inner portion of the movable die plate (3) in sliding mode, and the surface of each ejector rod (12) penetrates through the surface of the forming plate (10) and is connected with the inner portion of the forming plate (10) in sliding mode.
3. A doctor blade injection mold according to claim 2, characterized in that: a limiting plate (6) is arranged above the push plate (7), and the limiting plate (6) is also positioned between the two base plates (4) and is connected with the opposite side sliding of the two base plates (4).
4. A doctor blade injection mold as claimed in claim 3, wherein: the surface of movable mould bedplate (5) is provided with electric component (11), and electric component (11)'s output and push pedal (7) fixed connection.
5. The doctor blade injection mold of claim 4, wherein: the inside of the fixed template (2) is provided with a cooling water channel (8), and the cooling water channel (8) is positioned above the forming cavity (13) and the sprue path (14).
6. The doctor blade injection mold of claim 5, wherein: the inside of the movable mould plate (3) is also provided with a cooling water channel (8), and the cooling water channel (8) on the movable mould plate (3) penetrates through the surface of the forming plate (10).
7. A doctor blade injection molding method according to claim 1, S1: injection molding is carried out on the fixed template (2) and the movable template (3) through the sprue bush (9), so that the scraper is molded between the fixed template (2) and the movable template (3);
s2: opening valves on the two cooling water channels (8) to enable cooling water to absorb heat on the scraper and the pouring gate material, and enabling the scraper and the pouring gate material to be cooled and molded;
s3: carrying out die opening work to separate the fixed die plate (2) from the movable die plate (3) and expose the scraper and the pouring gate material outside;
s4: the electric assembly (11) is started, the push plate (7) is driven to rise between the two base plates (4), the ejector rod (12) is ejected, the ejector rod (12) ejects the scraper and the pouring gate material, the scraper and the pouring gate material are separated from the forming plate (10), and demoulding is completed to take down the scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310499536.1A CN116494486A (en) | 2023-05-06 | 2023-05-06 | Scraper injection mold and injection molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310499536.1A CN116494486A (en) | 2023-05-06 | 2023-05-06 | Scraper injection mold and injection molding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116494486A true CN116494486A (en) | 2023-07-28 |
Family
ID=87324524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310499536.1A Pending CN116494486A (en) | 2023-05-06 | 2023-05-06 | Scraper injection mold and injection molding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116494486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119550564A (en) * | 2025-01-26 | 2025-03-04 | 深圳市安盛模具有限公司 | A three-color three-station injection mold and molding process |
-
2023
- 2023-05-06 CN CN202310499536.1A patent/CN116494486A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119550564A (en) * | 2025-01-26 | 2025-03-04 | 深圳市安盛模具有限公司 | A three-color three-station injection mold and molding process |
| CN119550564B (en) * | 2025-01-26 | 2025-04-08 | 深圳市安盛模具有限公司 | Three-color three-station injection mold and molding process |
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