Lower concave mold cavity cooling mechanism of bottle cap molding press
By setting a cooling mechanism at the bottom of the concave mold cavity of the bottle cap molding machine, the problems of small cooling contact area and poor circulation are solved, achieving rapid and uniform cooling and improving the quality and production efficiency of bottle cap products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-20
AI Technical Summary
Existing bottle cap molding machines have a small cooling contact area and poor cooling water circulation when cooling the bottom of the lower molding die, which makes it easy for the bottle cap products to tear when demolded, affecting the product quality.
A cooling mechanism is installed at the bottom of the concave mold cavity of the bottle cap molding machine, including a chiller, a hydraulic rod, a water inlet pipe, and a drain pipe. The internal and external cavity structure of the hydraulic rod improves the circulation efficiency and contact area of the cooling water, thereby achieving rapid and uniform cooling.
It improves the cooling efficiency and quality of bottle cap products, reduces poor demolding around the bottle cap perimeter, and increases production efficiency.
Smart Images

Figure CN224012827U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of bottle cap mould pressing machine, and relates to a concave lower mould cavity cooling mechanism of bottle cap mould pressing machine. BACKGROUND
[0002] The bottle cap mould pressing machine is a special equipment for producing plastic bottle caps, and its main function is to melt the broken plastic raw materials through heating and then to mould the bottle caps into the required shape. The bottle cap mould pressing machine is widely applied to the production of bottle caps of mineral water bottles, beverage bottles, edible oil bottles, soy sauce bottles, engine oil bottles, five-gallon smart caps, cosmetic bottles, medicine bottles and the like. The bottle cap mould pressing machine has high production efficiency, and the output of some models of the bottle cap mould pressing machine can reach 10,000 or even 40,000 per hour. Through high-standard design and strict processing requirements, the appearance of the bottle cap is ensured to be beautiful, there is no injection point, the printing effect is better, and the degree of automation is high.
[0003] At present, when the bottom of the lower forming die of the bottle cap mould pressing machine is cooled, the cooling contact area is small, the circulation of the cooling water in the concave lower mould cavity is poor, and some bottle caps with anti-skid lines need a longer cooling time for the periphery than for the bottom. Since the concave lower mould cavity cannot be cooled well, some bottle caps are torn when demoulded, which affects the quality of the products. UTILITY MODEL CONTENTS
[0004] The utility model aims at the above problems and provides a concave lower mould cavity cooling mechanism of bottle cap mould pressing machine.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A concave lower mould cavity cooling mechanism of bottle cap mould pressing machine, comprising a bottle cap mould pressing machine main body, the bottle cap mould pressing machine main body comprising a raw material conveying mechanism, a bottle cap mould pressing mechanism, a rotary disc and a bottle cap conveying belt, the bottle cap mould pressing mechanism comprising a bottle cap upper forming die, a bottle cap lower forming die and a mould rotary table, the bottle cap upper forming die and the bottle cap lower forming die being movably installed on the mould rotary table, the bottle cap upper forming die and the bottle cap lower forming die corresponding to each other, the inside of the bottle cap lower forming die being provided with a concave lower mould cavity, the bottom of the concave lower mould cavity being provided with a cooling mechanism, the cooling mechanism comprising a water chiller, a hydraulic rod, a water inlet pipe and a drain pipe, the water chiller being connected with the hydraulic rod through the water inlet pipe and the drain pipe, the top of the hydraulic rod being fixedly connected with the bottle cap lower forming die.
[0007] In the above concave lower mould cavity cooling mechanism of bottle cap mould pressing machine, the output end of the raw material conveying mechanism is connected with the bottle cap mould pressing mechanism, and the output end of the bottle cap mould pressing mechanism is connected with the bottle cap conveying belt through the rotary disc.
[0008] In the cooling mechanism of the recessed mold cavity of the bottle cap molding machine described above, the mold turntable is divided into upper and lower parts. The upper mold of the bottle cap is located above the mold turntable, and the lower mold of the bottle cap is located below the mold turntable. The upper mold and the lower mold of the bottle cap are arranged in a circular part on the mold turntable and are evenly arranged in several groups.
[0009] In the concave mold cavity cooling mechanism of the bottle cap molding machine described above, the raw material conveying mechanism includes a feeder and a discharge plate. One end of the feeder is connected to the discharge plate, and the discharge plate is provided with a discharge port.
[0010] In the concave mold cavity cooling mechanism of the bottle cap molding machine described above, a hydraulic cylinder is connected to the bottom of the hydraulic rod, an inner cavity and an outer cavity are provided inside the hydraulic rod, and a cooling cavity is provided on the outer side and bottom of the concave mold cavity, and the cooling cavity is connected to the inner cavity.
[0011] In the concave mold cavity cooling mechanism of the bottle cap molding machine described above, one end of the water inlet pipe is connected to the inner cavity, and one end of the outer cavity is connected to the drain pipe.
[0012] In the cooling mechanism of the concave mold cavity of the bottle cap molding machine described above, a return water pipe is fixedly installed on the outside of the hydraulic cylinder. One end of the return water pipe is connected to the outer cavity, and the bottom of the return water pipe is connected to the drain pipe.
[0013] In the concave mold cavity cooling mechanism of the bottle cap molding machine described above, the bottle cap molding mechanism further includes a drive motor, which is located at the bottom of the mold turntable, and the output end of the drive motor is connected to the mold turntable in a transmission manner.
[0014] In the cooling mechanism of the recessed mold cavity of the bottle cap molding machine described above, the inside of the main body of the bottle cap molding machine is also provided with a scraper for scraping the semi-plasticized molten material on the discharge plate onto the lower forming mold of the bottle cap.
[0015] In the cooling mechanism of the recessed mold cavity of the bottle cap molding machine described above, a water pump is provided at the bottom of the lower molding die of the bottle cap, and the water pump is connected to the water inlet pipe and the water outlet pipe.
[0016] Compared with existing technologies, the advantages of this utility model are:
[0017] The utility model discloses a cooling mechanism is arranged at the bottom of the concave model cavity, and the cooling mechanism includes a cold water machine, a hydraulic rod, a water inlet pipe and a drain pipe, the cold water machine is connected with the hydraulic rod through the water inlet pipe and the drain pipe, the internal cavity and the external cavity are arranged in the hydraulic rod, the circulation efficiency of cooling water can be improved, the contact area of the lower concave model cavity and the cooling water is also increased, and the production efficiency is improved.
[0018] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the whole overhead structure schematic diagram of the utility model.
[0020] Figure 2 It is the internal structure schematic diagram of the utility model.
[0021] Figure 3 It is the bottle cap lower forming die structure schematic diagram of the utility model.
[0022] Figure 4 It is the lower concave model cavity structure schematic diagram of the utility model.
[0023] Figure 5 It is the external principle schematic diagram of the utility model.
[0024] In the drawing: 1, bottle cap moulding machine main body;2, raw material conveying mechanism;3, bottle cap moulding mechanism;4, rotary disc;5, bottle cap conveying belt;6, bottle cap upper forming die;7, bottle cap lower forming die;8, mould rotary table;9, lower concave model cavity;10, cold water machine;11, hydraulic rod;12, water inlet pipe;13, drain pipe;14, feeder;15, discharge disc;16, discharge port;17, hydraulic cylinder;18, internal cavity;19, external cavity;20, cooling cavity;21, backwater pipeline;22, driving motor;23, material scraping disc;24, water pump. DETAILED DESCRIPTION
[0025] The utility model will be further explained below in combination with the drawings.
[0026] As Figures 1-5As shown, a bottle cap molding machine lower concave mold cavity cooling mechanism, including bottle cap molding machine body 1, the bottle cap molding machine body 1 including raw material conveying mechanism 2, bottle cap molding mechanism 3, rotating disc 4 and bottle cap conveying belt 5, the bottle cap molding mechanism 3 including bottle cap upper forming die 6, bottle cap lower forming die 7 and mold rotary table 8, the bottle cap upper forming die 6, bottle cap lower forming die 7 is movably mounted on the mold rotary table 8, the bottle cap upper forming die 6, bottle cap lower forming die 7 one-to-one correspondence, the inside of the bottle cap lower forming die 7 is provided with lower concave mold cavity 9, the bottom of the lower concave mold cavity 9 is provided with a cooling mechanism, the cooling mechanism includes a cold water machine 10, a hydraulic rod 11, a water inlet pipe 12 and a drain pipe 13, the cold water machine 10 is connected with the hydraulic rod 11 through the water inlet pipe 12 and the drain pipe 13, the top of the hydraulic rod 11 is fixedly connected with the bottle cap lower forming die 7.
[0027] In this embodiment, first, the material is quantitatively extruded into the bottle cap lower forming die 7 by the raw material conveying mechanism 2, then the bottle cap upper forming die 6 and the bottle cap lower forming die 7 are closed, and the bottle cap is pressed in the mold.
[0028] Further, the output end of the raw material conveying mechanism 2 is connected with the bottle cap molding mechanism 3, and the output end of the bottle cap molding mechanism 3 is connected with the bottle cap conveying belt 5 through the rotating disc 4.
[0029] In this embodiment, the bottle cap upper forming die 6 is placed on the rotating disc 4, and the processed bottle cap is conveyed out of the bottle cap conveying belt 5 through the rotating disc 4, and the processing is completed.
[0030] Further, the mold rotary table 8 is divided into upper and lower two parts, the bottle cap upper forming die 6 is located above the mold rotary table 8, and the bottle cap lower forming die 7 is located below the mold rotary table 8, and the bottle cap upper forming die 6 and the bottle cap lower forming die 7 are circular on the mold rotary table 8 and are uniformly provided with a plurality of groups.
[0031] In this embodiment, the bottle cap upper forming die 6 and the bottle cap lower forming die 7 can be set to continuously complete the processing of the bottle cap, thereby improving the processing efficiency.
[0032] Further, the raw material conveying mechanism 2 includes a feeder 14 and a discharge disc 15, one end of the feeder 14 is connected with the discharge disc 15, and the discharge disc 15 is provided with a discharge port 16.
[0033] In this embodiment, the mixed material is put into the raw material conveying mechanism 2, and the material is heated to about 170 degrees Celsius in the raw material conveying mechanism 2 to become semi-plasticized.
[0034] Further, the bottom of the hydraulic rod 11 is connected with a hydraulic cylinder 17, the inside of the hydraulic rod 11 is provided with an inner cavity 18 and an outer cavity 19, the outer side and the bottom of the lower concave model cavity 9 are provided with a cooling cavity 20, and the cooling cavity 20 is communicated with the inner cavity 18.
[0035] In the embodiment, the cooling water enters the cooling cavity 20 through the water inlet pipe 12 and the water outlet pipe 13, so that the lower concave model cavity of the bottle cap molding machine is rapidly cooled.
[0036] Further, one end of the water inlet pipe 12 is connected with the inner cavity 18, and one end of the outer cavity 19 is connected with the water outlet pipe 13.
[0037] In the embodiment, the cooling water can better form a reflux in the bottle cap lower forming die 7, so that the cooling effect is improved.
[0038] Further, the outer side of the hydraulic cylinder 17 is fixedly provided with a backwater pipeline 21, one end of the backwater pipeline 21 is connected with the outer cavity 19, and the bottom of the backwater pipeline 21 is connected with the water outlet pipe 13.
[0039] In the embodiment, the backwater pipeline 21 is used for taking out the heat of the bottle cap lower forming die 7, so that the lower concave model cavity of the bottle cap molding machine is rapidly cooled.
[0040] Further, the bottle cap molding machine body 3 further comprises a driving motor 22, the driving motor 22 is located at the bottom of the mold turntable 8, and the output end of the driving motor 22 is in transmission connection with the mold turntable 8.
[0041] In the embodiment, the mold turntable 8 can be controlled through the driving motor 22, so that the switching of the workstations is realized.
[0042] Further, the inside of the bottle cap molding machine body 1 is further provided with a material scraping disc 23 for scraping the semi-plasticized material on the discharging disc 15 to the bottle cap lower forming die 7.
[0043] In the embodiment, the material is quantitatively extruded to the discharging disc 15, and under the rotation of the material scraping disc 23, the material is scraped into the rotating bottle cap lower forming die 7.
[0044] Further, the bottom of the bottle cap lower forming die 7 is provided with a water pump 24, and the water pump 24 is connected with the water inlet pipe 12 and the water outlet pipe 13.
[0045] In the embodiment, the water in the bottle cap lower forming die 7 can be controlled to circulate rapidly through the water pump 24.
[0046] The working principle of the utility model is:
[0047] The utility model discloses a bottle cap moulding press, including bottle cap moulding press main body 1, raw material conveying mechanism 2, bottle cap moulding mechanism 3, rotary disc 4, bottle cap conveying belt 5, bottle cap upper forming die 6, bottle cap lower forming die 7, mould rotary table 8, lower concave mould cavity 9, cold water machine 10, hydraulic rod 11, water inlet pipe 12, drain pipe 13, feeder 14, discharge tray 15, discharge port 16, hydraulic cylinder 17, inner cavity 18, outer cavity 19, cooling cavity 20, backwater pipeline 21, drive motor 22 and material scraping disc 23.
[0048] The specific embodiments described herein merely exemplify the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model.
[0049] Although the terms such as 1, bottle cap moulding press main body, 2, raw material conveying mechanism, 3, bottle cap moulding mechanism, 4, rotary disc, 5, bottle cap conveying belt, 6, bottle cap upper forming die, 7, bottle cap lower forming die, 8, mould rotary table, 9, lower concave mould cavity, 10, cold water machine, 11, hydraulic rod, 12, water inlet pipe, 13, drain pipe, 14, feeder, 15, discharge tray, 16, discharge port, 17, hydraulic cylinder, 18, inner cavity, 19, outer cavity, 20, cooling cavity, 21, backwater pipeline, 22, drive motor and 23, material scraping disc are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to describe and explain the essence of the utility model more conveniently, and it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.
Claims
1. A cooling mechanism for the recessed mold cavity of a bottle cap molding machine, comprising a bottle cap molding machine body (1), wherein the bottle cap molding machine body (1) includes a raw material conveying mechanism (2), a bottle cap molding mechanism (3), a rotary disk (4), and a bottle cap conveyor belt (5), characterized in that, The bottle cap molding mechanism (3) includes an upper bottle cap molding mold (6), a lower bottle cap molding mold (7), and a mold turntable (8). The upper bottle cap molding mold (6) and the lower bottle cap molding mold (7) are movably mounted on the mold turntable (8). The upper bottle cap molding mold (6) and the lower bottle cap molding mold (7) correspond one-to-one. The lower bottle cap molding mold (7) has a recessed mold cavity (9) inside. The bottom of the recessed mold cavity (9) is provided with a cooling mechanism. The cooling mechanism includes a chiller (10), a hydraulic rod (11), a water inlet pipe (12), and a drain pipe (13). The chiller (10) is connected to the hydraulic rod (11) through the water inlet pipe (12) and the drain pipe (13). The top of the hydraulic rod (11) is fixedly connected to the lower bottle cap molding mold (7).
2. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 1, characterized in that, The output end of the raw material conveying mechanism (2) is connected to the bottle cap molding mechanism (3), and the output end of the bottle cap molding mechanism (3) is connected to the bottle cap conveyor belt (5) through the rotary disk (4).
3. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 2, characterized in that, The mold turntable (8) is divided into upper and lower parts. The upper mold (6) of the bottle cap is located above the mold turntable (8), and the lower mold (7) of the bottle cap is located below the mold turntable (8). The upper mold (6) and the lower mold (7) of the bottle cap are circular parts on the mold turntable (8) and are evenly arranged in several groups.
4. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 3, characterized in that, The raw material conveying mechanism (2) includes a feeder (14) and a discharge plate (15). One end of the feeder (14) is connected to the discharge plate (15), and the discharge plate (15) is provided with a discharge port (16).
5. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 4, characterized in that, The bottom of the hydraulic rod (11) is connected to a hydraulic cylinder (17). The hydraulic rod (11) is provided with an inner cavity (18) and an outer cavity (19). The outer side and bottom of the recessed model cavity (9) are provided with a cooling cavity (20). The cooling cavity (20) is connected to the inner cavity (18).
6. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 5, characterized in that, One end of the water inlet pipe (12) is connected to the inner cavity (18), and one end of the outer cavity (19) is connected to the drain pipe (13).
7. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 6, characterized in that, A return water pipe (21) is fixedly installed on the outside of the hydraulic cylinder (17). One end of the return water pipe (21) is connected to the outer cavity (19), and the bottom of the return water pipe (21) is connected to the drain pipe (13).
8. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 7, characterized in that, The bottle cap molding mechanism (3) also includes a drive motor (22), which is located at the bottom of the mold turntable (8), and the output end of the drive motor (22) is connected to the mold turntable (8) in a transmission connection.
9. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 8, characterized in that, The bottle cap molding machine body (1) is also equipped with a scraper disc (23) for scraping the semi-plasticized molten material on the discharge disc (15) onto the lower molding die (7) of the bottle cap.
10. The cooling mechanism for the recessed mold cavity of the bottle cap molding machine according to claim 9, characterized in that, A water pump (24) is provided at the bottom of the bottle cap forming mold (7), and the water pump (24) is connected to the water inlet pipe (12) and the drain pipe (13).