Injection molding cooling device for plastic bottle production
By designing an injection molding cooling device, a hollow cooling plate is rotated by gear meshing and blown air to cool it down, which solves the problem of slow cooling of injection molds causing demolding difficulties and achieves rapid cooling and convenient demolding.
Patent Information
- Application Number
- CN202520167901.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-24
AI Technical Summary
During the production of plastic bottles, the slow cooling of the injection mold can cause the mold to stick to the plastic bottle during demolding, affecting the demolding effect.
A cooling device for injection molding in plastic bottle production was designed, including an injection molding machine frame, an internal gear ring, a hollow cooling plate, cooling holes, a cooling fan, and an installation slot. The hollow cooling plate is driven to rotate through gear meshing, and the cooling fan blows air to quickly cool the injection mold.
It achieves rapid cooling of the injection mold, facilitates demolding, and improves demolding efficiency.
Smart Images

Figure CN223701607U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic bottle, especially a plastic bottle production injection moulding cooling device. BACKGROUND
[0002] The plastic bottle is mainly made of polyethylene or polypropylene and a plurality of organic solvents. The plastic bottle is widely used as a plastic container made of polyester (PET), polyethylene (PE) and polypropylene (PP) as raw materials, and added with corresponding organic solvents, and then heated at high temperature. The plastic bottle is mainly used for beverage, food, pickles, honey, dried fruit, edible oil, agricultural and veterinary drug, etc. liquid or solid disposable plastic packaging container. The plastic bottle has the characteristics of not easy to break, low cost, high transparency, food grade raw material, etc.
[0003] In the production of plastic bottles, the molten plastic bottle material is generally added to the plastic bottle injection mold, and after the injection material is cooled and formed, the plastic bottle is demolded. However, in the demolding process, due to the production environment and other factors, the injection mold cools slowly, and if the cooling is not enough, the mold and the plastic bottle will be adhered in the demolding process, which will affect the final demolding effect. CONTENT OF THE INVENTION
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a plastic bottle production injection molding cooling device, which can rotate to cool the injection mold and injection material, improve the cooling effect, and facilitate demolding.
[0005] The above technical purpose of the utility model is realized by the following technical scheme:
[0006] A plastic bottle production injection molding cooling device, comprising an injection molding rack and an injection molding table fixedly connected to the upper end of the injection molding rack, wherein the upper end of the injection molding rack is rotatably connected with an internal gear ring, the upper end of the internal gear ring is connected with two hollow cooling plates, and a plurality of cooling holes are formed in the circumferential side of the hollow cooling plate.
[0007] The upper end of the injection molding rack is rotatably connected with a gear, and the gear is engaged with the internal gear ring. A driving member is arranged on the gear to rotate the gear.
[0008] A connecting groove is formed in the upper end of the injection molding rack, an installation groove is formed in the inner bottom wall of the connecting groove, a cooling fan is arranged below the injection molding rack, and the cooling fan is connected with the installation groove through a pipeline.
[0009] In a preferred example, the installation groove is provided with an installation frame, and a plurality of cooling fins are fixedly connected between the side walls of the installation frame.
[0010] The utility model discloses in a preferable example can be further configured as: one side of the installation frame is fixedly connected with the connecting plate, and the connecting plate is movably penetrated through one side of the injection molding frame.
[0011] The utility model discloses in a preferable example can be further configured as: both sides of the connecting plate are fixedly connected with the mounting block, the fixed column is set up in the mounting block, and the fixed column is rotatably connected with the rotating block on one side, and the fixed column is fixedly connected on one side of the injection molding frame.
[0012] The utility model discloses in a preferable example can be further configured as: both sides of the hollow cooling plate are fixedly connected with the connecting block, the upper portion of the connecting block is provided with the bolt, and the bolt is screwed through the lower end of the connecting block and is screwed in the internal gear ring.
[0013] The utility model discloses in a preferable example can be further configured as: the installation groove is fixedly connected with the placing plate at the four corners, and the installation frame is arranged above the placing plate.
[0014] The utility model discloses in a preferable example can be further configured as: the driving part includes motor, and the motor is installed on the upper end of the injection molding frame through the frame, and the output end of the motor is fixed with the gear.
[0015] In conclusion, the utility model has at least one of the following beneficial technical effects:
[0016] 1. be provided with injection molding frame, internal gear ring, injection molding platform, hollow cooling plate, cooling hole, installation groove, connecting groove and cooling fan, injection mold and plastic bottle are set up in the upper portion of injection molding platform, when demolding is needed at the end of injection molding, rotate gear, gear is engaged with internal gear ring, internal gear ring drives hollow cooling plate to rotate, starts cooling fan, and cooling fan blows into installation groove, and gas fills into hollow cooling plate through connecting groove, and gas blows out from cooling hole, and rotates to cool injection mold, thereby conveniently cooling plastic bottle, and conveniently demolding.
[0017] 2. be provided with connecting plate, mounting block, fixed column and rotating block, insert installation frame into installation groove, fixed column and rotating block pass through mounting block, when rotating block passes through mounting block, rotate rotating block, so that rotating block is perpendicular, thereby making gear connect with injection molding frame, and conveniently disassembling cooling fin and installation frame. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the perspective view of the embodiment;
[0019] Figure 2 It is the enlarged view of A in the embodiment Figure 1
[0020] Figure 3 is a perspective view of the embodiment;
[0021] Figure 4 is a perspective view of the embodiment Figure 3 is an enlarged view at B in the embodiment;
[0022] Figure 5 is a partial view of the connecting groove in the embodiment;
[0023] Figure 6 is a partial view of the cooling fin in the embodiment.
[0024] In the figure, 1 is an injection molding frame; 2 is a condenser; 3 is a cooling fan; 4 is an internal gear ring; 5 is a hollow cooling plate; 6 is a cooling hole; 7 is an injection molding table; 8 is a connecting block; 9 is a bolt; 10 is a connecting plate; 11 is a gear; 12 is a motor; 13 is a mounting groove; 14 is a connecting groove; 15 is a placing plate; 16 is a mounting frame; 17 is a cooling fin; 18 is a mounting block; 19 is a fixing column; and 20 is a rotating block. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail below in combination with the drawings. EMBODIMENT
[0026] With reference to Figures 1-6 The utility model discloses a kind of injection molding cooling devices for plastic bottle production, including injection molding frame 1 and the injection molding table 7 of fixed connection on its upper end, the upper end of injection molding frame 1 is rotatably connected with internal gear ring 4, the upper end of internal gear ring 4 is connected with two hollow cooling plates 5, and the circumferential side of hollow cooling plate 5 is provided with several cooling holes 6.
[0027] The upper end of injection molding frame 1 is rotatably connected with gear 11, and gear 11 is engaged with internal gear ring 4, and driving member is provided on gear 11 for the rotation of gear 11.
[0028] The upper end of injection molding frame 1 is provided with connecting groove 14, and the inner bottom wall of connecting groove 14 is provided with mounting groove 13, and the lower portion of injection molding frame 1 is provided with cooling fan 3, and cooling fan 3 is connected with mounting groove 13 by pipeline.
[0029] In the embodiment, injection mold and plastic bottle are arranged above injection molding table 7, when demoulding is needed after injection molding, gear 11 is rotated, gear 11 is engaged with internal gear ring 4, internal gear ring 4 drives hollow cooling plate 5 to rotate, cooling fan 3 is started, cooling fan 3 blows into mounting groove 13, gas is filled into hollow cooling plate 5 through connecting groove 14, and gas is blown out from cooling hole 6, so that injection mold is cooled by rotating, so that plastic bottle is rapidly cooled, demoulding is facilitated, and preferably, cooling port is arranged at the connection between internal gear ring 4 and hollow cooling plate 5, which can be communicated with connecting groove 14 and mounting groove 13.
[0030] Further, please refer to Figure 6 The mounting groove 13 is provided with a mounting frame 16, and a plurality of cooling fins 17 are fixedly connected between the side walls of the mounting frame 16.
[0031] In this embodiment, the lower part of the injection molding frame 1 is preferably provided with a condenser 2, the inner wall of the mounting groove 13 is provided with a cooling plate, the mounting frame 16 and the cooling plate are in contact, the temperature of the mounting frame 16 and the cooling fins 17 is lowered, and when the air blown by the cooling fan 3 passes through the cooling fins 17, the air can be cooled, the cooling holes 6 can blow out air with lower temperature, and the cooling effect on the injection molding mold can be improved.
[0032] Further, please refer to Figure 3 One side of the mounting frame 16 is fixedly connected with a connecting plate 10, and the connecting plate 10 movably penetrates one side of the injection molding frame 1.
[0033] In this embodiment, the connecting plate 10 and the mounting frame 16 cooperate to facilitate disassembly of the placement plate 15 and the mounting frame 16, prevent dust from adhering to the surface of the placement plate 15 and the mounting frame 16, and facilitate cleaning of the placement plate 15 and the mounting frame 16.
[0034] Further, please refer to Figure 2 Both sides of the connecting plate 10 are fixedly connected with mounting blocks 18, the mounting blocks 18 are provided with fixed columns 19, one side of the fixed columns 19 is rotatably connected with rotating blocks 20, and the fixed columns 19 are fixedly connected to one side of the injection molding frame 1.
[0035] In this embodiment, the mounting frame 16 is inserted into the mounting groove 13, the fixed columns 19 and the rotating blocks 20 pass through the mounting blocks 18, when the rotating blocks 20 pass through the mounting blocks 18, the rotating blocks 20 are rotated to be perpendicular, so that the gear 11 is connected to the injection molding frame 1, and the cooling fins 17 and the mounting frame 16 are conveniently disassembled.
[0036] Further, please refer to Figure 1 Both sides of the hollow cooling plate 5 are fixedly connected with connecting blocks 8, the connecting blocks 8 are provided with bolts 9 above, and the bolts 9 are screwed into the inner gear ring 4 from the lower end of the connecting blocks 8.
[0037] In this embodiment, the hollow cooling plate 5 is placed on the inner gear ring 4, the bolt 9 is rotated, the bolt 9 passes through the connecting block 8 and is screwed into the inner gear ring 4, so that the hollow cooling plate 5 and the inner gear ring 4 are fixed, and the hollow cooling plate 5 is conveniently installed and disassembled.
[0038] Further, please refer to Figure 5The four corners of the installation groove 13 are fixedly connected with a placing plate 15, and an installation frame 16 is arranged above the placing plate 15.
[0039] In the embodiment, the placing plate 15 can support the installation frame 16 and the cooling fins 17, and facilitates installation of the installation frame 16 and the cooling fins 17.
[0040] Further, please refer to Figure 3 The driving member comprises a motor 12, which is installed on the upper end of the injection molding frame 1 through a frame, and the output end of the motor 12 is fixed with the gear 11.
[0041] In the embodiment, when cooling is needed, the motor 12 is started, the output end of the motor 12 drives the gear 11 to rotate, the gear 11 is engaged with the internal gear ring 4, and the internal gear ring 4 can drive the hollow cooling plate 5 to rotate.
[0042] The implementation principle of the above embodiment is as follows: the injection mold and the plastic bottle are arranged above the injection table 7, when demolding is needed after injection molding is completed, the motor 12 is started, the output end of the motor 12 drives the gear 11 to rotate, the gear 11 is engaged with the internal gear ring 4, the internal gear ring 4 drives the hollow cooling plate 5 to rotate, the cooling fan 3 is started, the cooling fan 3 blows air into the installation groove 13, the air is filled into the hollow cooling plate 5 through the connecting groove 14, the air is blown out from the cooling hole 6, and the injection mold is cooled by rotation, so that the plastic bottle is rapidly cooled, and demolding is facilitated.
[0043] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.
[0044] The embodiments of the specific implementation are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A plastic bottle production injection cooling device, comprising an injection frame (1) and an injection table (7) fixedly connected to the upper end of the injection frame, characterized in that: The upper end of the injection molding frame (1) is rotatably connected with an internal gear ring (4), the upper end of the internal gear ring (4) is connected with two hollow cooling plates (5), and the circumferential side of the hollow cooling plate (5) is provided with a plurality of cooling holes (6); The upper end of the injection molding frame (1) is rotatably connected with a gear (11), and the gear (11) is engaged with the internal gear ring (4), and the gear (11) is provided with a driving member for rotating the gear (11). The upper end of the injection molding frame (1) is provided with a connecting groove (14), the inner bottom wall of the connecting groove (14) is provided with a mounting groove (13), the lower side of the injection molding frame (1) is provided with a cooling fan (3), and the cooling fan (3) is connected with the mounting groove (13) through a pipeline.
2. A plastic bottle production injection cooling device according to claim 1, characterized in that: The mounting groove (13) is provided with a mounting frame (16), and a plurality of cooling fins (17) are fixedly connected between the side walls of the mounting frame (16).
3. A plastic bottle production injection cooling device according to claim 2, characterized in that: One side of the mounting frame (16) is fixedly connected with a connecting plate (10), and the connecting plate (10) movably penetrates one side of the injection molding frame (1).
4. The injection cooling device for plastic bottle production according to claim 3, characterized in that: Both sides of the connecting plate (10) are fixedly connected with mounting blocks (18), the mounting blocks (18) are provided with fixed columns (19), one side of the fixed column (19) is rotatably connected with a rotating block (20), and the fixed column (19) is fixedly connected to one side of the injection molding frame (1).
5. The injection cooling device for plastic bottle production of claim 1, wherein: Both sides of the hollow cooling plate (5) are fixedly connected with connecting blocks (8), and the upper side of the connecting block (8) is provided with a bolt (9), and the bolt (9) is screwed through the lower end of the connecting block (8) and is screwed into the internal gear ring (4).
6. The injection cooling device for plastic bottle production of claim 4, wherein: The mounting groove (13) is provided with a mounting frame (16), and a plurality of cooling fins (17) are fixedly connected between the side walls of the mounting frame (16).
7. The injection cooling device for plastic bottle production of claim 1, wherein: The driving member comprises a motor (12), the motor (12) is mounted on the upper end of the injection molding frame (1) through a frame, and the output end of the motor (12) is fixedly connected with the gear (11).