CN112590122A - Injection mold for eliminating bubbles in injection molding material - Google Patents
Injection mold for eliminating bubbles in injection molding material Download PDFInfo
- Publication number
- CN112590122A CN112590122A CN202011365737.5A CN202011365737A CN112590122A CN 112590122 A CN112590122 A CN 112590122A CN 202011365737 A CN202011365737 A CN 202011365737A CN 112590122 A CN112590122 A CN 112590122A
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- CN
- China
- Prior art keywords
- hydraulic
- injection molding
- injection
- side mold
- fixedly connected
- 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.)
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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
- B29C45/26—Moulds
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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
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/568—Applying vibrations to the mould parts
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/568—Applying vibrations to the mould parts
- B29C2045/5685—Applying vibrations to the mould parts for eliminating internal voids in the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold for eliminating bubbles in injection molding materials, which relates to the technical field of injection molds and comprises a fixed frame, wherein a guide pillar is fixedly connected between two sides of the fixed frame, a left side mold and a right side mold are connected on the guide pillar in a sliding manner, inner cavities are respectively arranged at the adjacent ends of the left side mold and the right side mold and jointly form a cavity, the shape of an injection molding product is formed in the cavity, an injection molding opening and an exhaust hole are arranged at the top of the cavity, the injection molding opening is communicated with an external injection molding device, the hydraulic press works, the output end of the hydraulic press extends into a pressurizing flow passage on the fixed frame to push hydraulic oil to flow, a hydraulic telescopic rod is pushed to move outwards along the fixed flow passage under the hydraulic action of the hydraulic oil, so that the left side mold and the right side mold which are fixedly connected with the hydraulic telescopic rod move along the guide pillar to mutually approach to complete, avoiding direct collision between the two.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold for eliminating bubbles in injection molding materials.
Background
The injection mold cools and shapes the thermoplastic plastics or the thermosetting materials in the inner cavity of the mold through the space structure matched with the product structure and the size in the injection mold so as to manufacture plastic products with various shapes, and the production efficiency of the plastic products is greatly improved. However, in the existing injection molding part mold, bubbles may be mixed in the injection molding liquid formed by the molten plastic during the injection molding process, and when the injection molding is completed and cooling molding is performed, the bubbles can greatly affect the quality of the product, so that the product cannot be used and can only be crushed into secondary plastic for reprocessing, but the product quality of the secondary plastic is generally poorer than that of the product produced by primary plastic.
Disclosure of Invention
The invention provides an injection mold for eliminating bubbles in injection molding materials, and aims to solve the problem that the quality of a product is greatly influenced when the cooling molding is finished in the injection molding process by the bubbles possibly mixed in the injection molding liquid formed by melting plastics in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an injection mold for eliminating bubbles in injection molding materials comprises a fixing frame, wherein a guide pillar is fixedly connected between two sides of the fixing frame, a left side mold and a right side mold are slidably connected on the guide pillar, an inner cavity is formed at one adjacent end of the left side mold and the right side mold, the adjacent end of the left side mold and the right side mold jointly form a cavity, the cavity forms the appearance of an injection molding product, an injection molding opening and an exhaust hole are formed at the top of the cavity, the injection molding opening is communicated with an external injection molding device, a hydraulic machine is fixedly connected at the top of the fixing frame, a hydraulic runner is fixedly connected in the fixing frame, the hydraulic runner is filled with hydraulic oil, the top of the hydraulic runner is communicated with a pressurizing runner, two sides of the hydraulic runner are communicated with a plurality of fixed runners, the pressurizing runner and the plurality of fixed runners are both arranged in the fixing frame, it is a plurality of hydraulic telescoping rod keeps away from fixed runner one end fixed connection respectively and deviates from one side mutually at left side mould and right side mould, mount one side fixedly connected with vibrating motor, vibrating motor output end fixed connection is on the left side mould.
Preferably, the hydraulic flow passage is in a shape of a Chinese character 'hui', wherein the pressurizing flow passage is located on a vertical axis of the hydraulic flow passage.
Preferably, check valves are fixedly connected in two sides of the hydraulic flow channel, and the two check valves are in the same direction in the clockwise direction.
Preferably, left side mould and right side mould deviate from a plurality of buffer spring of the equal fixedly connected with in one side mutually, and is a plurality of buffer spring keeps away from the equal fixed connection of left side mould and right side mould one end on the mount.
Compared with the prior art, the invention has the following beneficial effects:
1. the hydraulic press works, the output end of the hydraulic press extends into a pressurizing flow channel on the fixed frame to push hydraulic oil to flow, the hydraulic telescopic rod is pushed to move outwards along the fixed flow channel under the hydraulic action of the hydraulic oil, so that a left side die and a right side die which are fixedly connected with the hydraulic telescopic rod move to approach each other along the guide post to complete die assembly, and a plurality of buffer springs fixedly connected between the left side die and the right side die and the fixed frame form a buffer effect in the die assembly process to avoid direct collision of the left side die and the right side die.
2. According to the invention, under the operation of the hydraulic machine, the pressure of hydraulic oil in the hydraulic flow passage and the fixed flow passage is stable, after liquid consisting of molten plastics is injected into the cavity, the vibration motor is controlled to work, the output end of the vibration motor enables the left side die and the right side die of the die assembly to vibrate back and forth along the guide pillar, so that bubbles in the liquid consisting of the molten plastics are vibrated out, and gas is exhausted through the exhaust holes in the cavity, thereby improving the quality of injection products.
3. In the vibrating process, the hydraulic telescopic rods fixedly connected with the left side die and the right side die are hermetically and slidably connected in the fixed flow channel which is stable in hydraulic oil pressure and improves the mutual communication of the hydraulic flow channels, so that the left side die and the right side die can still keep a stable die closing state when moving in a reciprocating mode, and meanwhile, the vibrating work cannot be hindered.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the vibration mode of the present invention;
fig. 3 is a schematic view showing a state where the left and right molds are separated in the present invention.
In the figure: the device comprises a fixing frame 1, a guide pillar 11, a hydraulic flow passage 12, a pressurization flow passage 121, a fixed flow passage 122, a one-way valve 123, a left side die 2, a right side die 3, a cavity 4, an injection molding port 41, an exhaust hole 42, a hydraulic press 5, a hydraulic telescopic rod 6, a vibration motor 7 and a buffer spring 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an injection mold for eliminating bubbles in injection molding materials comprises a fixing frame 1, wherein a guide pillar 11 is fixedly connected between two sides of the fixing frame 1, a left side mold 2 and a right side mold 3 are slidably connected on the guide pillar 11, and the guide pillar 11 is positioned at four corners of the left side mold 2 and the right side mold 3 and cannot influence injection molding of the left side mold 2 and the right side mold.
The inner chamber has all been seted up to the adjacent one end of left side mould 2 and right side mould 3 and has been constituteed into die cavity 4 jointly, constitutes the injection moulding product appearance in the die cavity 4 for the production product of moulding plastics.
The top of the cavity 4 is provided with an injection port 41 and an exhaust hole 42, wherein the injection port 41 is communicated with an external injection device, the injection device injects liquid consisting of molten plastics into the cavity 4 through the injection port 41, and the exhaust hole 42 is used for discharging bubbles overflowing from the liquid consisting of the molten plastics.
Fixed frame 1 top fixedly connected with hydraulic press 5, fixedly connected with hydraulic pressure runner 12 in the fixed frame 1, hydraulic pressure runner 12 intussuseption is filled with hydraulic oil and top intercommunication has pressurization runner 121 and both sides all to communicate has a plurality of fixed runners 122, pressurization runner 121 and a plurality of fixed runners 122 are all seted up in fixed frame 1, the sealed sliding connection of hydraulic press 5 output and pressurization runner 121, hydraulic pressure runner 12 is back the font, wherein pressurization runner 121 is located hydraulic pressure runner 12 vertical axis, do benefit to about the stability of fixed frame 1 at the in-process of moulding plastics.
All sealed sliding connection has hydraulic telescoping rod 6 in a plurality of fixed runners 122, and a plurality of hydraulic telescoping rod 6 keep away from fixed runner 122 one end respectively fixed connection on left side mould 2 and right side mould 3 back of the body one side, and hydraulic telescoping rod 6 is released in the hydraulic action that hydraulic oil was stretched out to 5 outputs of hydraulic press to make left side mould 2 and right side mould 3 compound dies.
The fixed frame 1 one side fixedly connected with vibrating motor 7, vibrating motor 7 output end fixed connection is on left side mould 2, and vibrating motor 7 adopts vibrating track among the prior art along axial reciprocating motion's vibrating motor, forms the vibration to left side mould 2 and right side mould 3 after the pair mould, makes the bubble in the liquid that the interior molten plastic of die cavity 4 constitutes outwards spill over.
The check valves 123 are fixedly connected to the two sides of the hydraulic flow passage 12, the two check valves 123 are in the same direction in the clockwise direction, when the vibration motor 7 vibrates in a reciprocating manner, hydraulic oil in the hydraulic flow passage 12 is driven to continuously flow in a circulating manner through the check valves 123, and the phenomenon that local hydraulic oil is used excessively is avoided.
The principles of the present invention are now described as follows:
firstly, a hydraulic machine 5 on a fixed frame 1 works, the output end of the hydraulic machine extends into a pressurizing flow channel 121 on the fixed frame 1 to push hydraulic oil to flow, and a hydraulic telescopic rod 6 is pushed to move outwards along a fixed flow channel 122 through a hydraulic flow channel 12 communicated with the hydraulic oil under the hydraulic action of the hydraulic oil, so that a left side die 2 and a right side die 3 fixedly connected with the hydraulic telescopic rod 6 move to mutually approach along a guide post 11 to complete die assembly;
at the moment, under the operation of the hydraulic press 5, the pressure of hydraulic oil in the hydraulic flow passage 12 and the fixed flow passage 122 is stable, then an external injection device is controlled to inject liquid consisting of molten plastics into a cavity 4 consisting of the left side die 2 and the right side die 3 through an injection port 41, then the vibration motor 7 is controlled to operate, the output end of the vibration motor 7 enables the left side die 2 and the right side die 3 which are assembled to vibrate back and forth along the guide post 11, so that bubbles in the liquid consisting of the molten plastics are vibrated out, and the gas is exhausted through an exhaust hole 42 on the cavity 4, thereby improving the quality of injection products;
in the vibration process, the hydraulic telescopic rods 6 fixedly connected with the left side die 2 and the right side die 3 are in sealing sliding connection in the fixed flow passage 122 which is stable in hydraulic oil pressure and improves the mutual communication of the hydraulic flow passages 12, and the left side die 2 and the right side die 3 still keep a stable die closing state during reciprocating movement, and meanwhile, the vibration work cannot be hindered.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. An injection mold for eliminating bubbles in injection molding materials comprises a fixed frame (1) and is characterized in that a guide pillar (11) is fixedly connected between two sides of the fixed frame (1), the guide pillar (11) is connected with a left side mold (2) and a right side mold (3) in a sliding manner, the adjacent ends of the left side mold (2) and the right side mold (3) are respectively provided with an inner cavity and jointly form a cavity (4), the cavity (4) forms the appearance of an injection molding product, the top of the cavity (4) is provided with an injection molding port (41) and an exhaust hole (42), the injection molding port (41) is communicated with an external injection molding device, the top of the fixed frame (1) is fixedly connected with a hydraulic machine (5), the fixed frame (1) is internally and fixedly connected with a hydraulic flow passage (12), the hydraulic flow passage (12) is filled with hydraulic oil, the top is communicated with a pressurizing flow passage (121), and two sides, pressurization runner (121) and a plurality of fixed runner (122) are all seted up in mount (1), hydraulic press (5) output and pressurization runner (121) sealed sliding connection, it is a plurality of equal sealed sliding connection has hydraulic telescoping rod (6), a plurality of fixed runner (122) interior equal sealed sliding connection keeps away from hydraulic telescoping rod (6) fixed runner (122) one end difference fixed connection on left side mould (2) and right side mould (3) one side of carrying on the back mutually, mount (1) one side fixedly connected with vibrating motor (7), vibrating motor (7) output fixed connection is on left side mould (2).
2. An injection mould for eliminating blisters in injection moulded materials according to claim 1, characterised in that the hydraulic flow channel (12) is of a zigzag shape, wherein the pressure flow channel (121) is located on the vertical axis of the hydraulic flow channel (12).
3. An injection mould for eliminating blisters in injection moulded materials according to claim 2, characterised in that one-way valves (123) are fixedly connected in both sides of the hydraulic channel (12), the two one-way valves (123) being in the same direction in the clockwise direction.
4. The injection mold for eliminating the air bubbles in the injection molding material as claimed in claim 1, wherein the opposite sides of the left side mold (2) and the right side mold (3) are fixedly connected with a plurality of buffer springs (8), and one ends of the plurality of buffer springs (8) far away from the left side mold (2) and the right side mold (3) are fixedly connected to the fixing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011365737.5A CN112590122A (en) | 2020-11-28 | 2020-11-28 | Injection mold for eliminating bubbles in injection molding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011365737.5A CN112590122A (en) | 2020-11-28 | 2020-11-28 | Injection mold for eliminating bubbles in injection molding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112590122A true CN112590122A (en) | 2021-04-02 |
Family
ID=75187599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011365737.5A Withdrawn CN112590122A (en) | 2020-11-28 | 2020-11-28 | Injection mold for eliminating bubbles in injection molding material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112590122A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523186A (en) * | 2021-07-19 | 2021-10-22 | 北京科技大学 | Casting mold and process |
| CN114872284A (en) * | 2022-05-06 | 2022-08-09 | 郭长兴 | Injection molding system and injection molding method |
-
2020
- 2020-11-28 CN CN202011365737.5A patent/CN112590122A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523186A (en) * | 2021-07-19 | 2021-10-22 | 北京科技大学 | Casting mold and process |
| CN114872284A (en) * | 2022-05-06 | 2022-08-09 | 郭长兴 | Injection molding system and injection molding method |
| CN114872284B (en) * | 2022-05-06 | 2023-09-22 | 南宁东创智能制造有限公司 | Injection molding system and injection molding method |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210402 |