Blow molding equipment for inner container of steel-plastic composite barrel
By designing a steel-plastic composite barrel inner liner blow molding equipment that includes loading, blow molding and cutting components, and using transportation components and blow molding devices for automated operations, the problem of waste removal in existing equipment is solved, and efficient and safe inner liner molding and waste removal are achieved.
Patent Information
- Application Number
- CN202510352764.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing steel-plastic composite barrel inner liner blow molding equipment will residual excess waste on the outer wall after processing. The methods currently adopted are mostly manual removal, which is time-consuming and labor-intensive, and there is certain danger.
A steel-plastic composite barrel inner liner blow molding equipment is designed, including feeding assembly, blow molding assembly and cutting assembly. The inner plug is placed through the inner diameter tube in the transport assembly, the material is discharged using the blow molding device and the discharge port, and the blow molding work is completed through the central air pipe and the blow mold. After the blow molding is completed, the water cooling device and cooling chamber are used to quickly cool down, accelerate the shaping, and remove excess waste through the positioning rack and scraper assembly.
Effectively prevent raw materials from adhering to the outer wall of the central air pipe, ensure that the airflow fills evenly within the raw materials, prevent deformation, and greatly improve work efficiency and reduce operational risks by reducing manual operation steps.
Smart Images
Figure CN119974478A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of plastic molding, in particular to a steel-plastic composite barrel liner blow molding device. Background Art
[0002] The steel-plastic composite barrel is assembled by a steel barrel (outer) and a plastic blow-molded barrel (inner). It is widely used in chemical, food, pharmaceutical and other fields because it combines the advantages of high strength and good rigidity of steel barrels with the moisture-proof, corrosion-resistant, safe, and convenient storage and transportation properties of plastic containers. As an important component of the steel-plastic composite barrel, the inner liner has a relatively complex molding process, especially the need to ensure the dimensional stability and structural integrity of the inner liner. Existing inner liner blow-molding equipment will leave excess waste on the outer wall after processing. The current method is mostly manual removal, which is time-consuming and labor-intensive, and there is a certain degree of danger. Therefore, it is necessary to design a steel-plastic composite barrel inner liner blow-molding equipment to solve the problem. Summary of the invention
[0003] In view of the deficiencies in the prior art, the present invention provides a steel-plastic composite barrel liner blow molding device, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a steel-plastic composite barrel liner blow molding equipment, comprising a feeding assembly, a blow molding assembly and a lowering assembly, characterized in that a connecting frame is arranged on the top of the feeding assembly, the blow molding assembly and the lowering assembly, and a transport assembly is connected and installed between the blow molding assembly and the lowering assembly, a hopper is placed in the feeding assembly, and a feeding pipe is connected and installed on the top of the feeding assembly, a pumping device is connected to the top of the feeding pipe through a connecting frame, a blow molding device is fixedly installed on the top of the connecting frame, and the pumping device and the blow molding device are connected through a pipeline, and a discharge port is connected and installed at the bottom of the blow molding device through a connecting frame; The blow molding components have two groups and are symmetrically distributed. The blow molding components are slidably connected with blow molding molds, and the inner sides of the blow molding molds are connected with first push rod motors through the blow molding components. Guide frames are arranged on both sides of the blow molding molds. A cooling chamber is provided in the blow molding molds. A liquid inlet pipe is connected and installed at the end of the guide frame. A water cooling device is arranged at the bottom of the blow molding component. A liquid outlet pipe is arranged at the top of the water cooling device, and the liquid inlet pipe is connected to the liquid outlet pipe; A processing chamber is provided in the material discharge assembly, and a fixing frame is fixedly installed in the processing chamber, a telescopic plate is slidably connected in the fixing frame, a clamping shaft is rotatably connected to the telescopic plate, and a first driving motor is connected to the top of the clamping shaft through the telescopic plate, a connecting plate is fixedly installed between the first driving motors, a second push rod motor is connected and installed on the inner side of the connecting plate, and one end of the second push rod motor is connected to the processing chamber, a lower scraper is fixedly installed on the inner wall of the bottom of the processing chamber, and an upper scraper is connected and installed on the inner wall of the top end of the processing chamber; The transport assembly includes a main body, a screw rod is rotatably connected inside the main body, a moving seat is threadedly connected to the outside of the screw rod, an inner diameter tube is rotatably connected to the top of the moving seat, and a central air pipe is fixedly installed in the moving seat, a driven wheel is fixedly installed on the bottom of the inner diameter tube through the moving seat, a second drive motor is fixedly installed in the moving seat, and the output shaft of the second drive motor is connected to the drive wheel, the drive wheel is meshingly connected to the driven wheel, a fixed seat is fixedly installed on the top of the moving seat, and a telescopic frame is slidably connected in the fixed seat, a positioning frame is fixedly installed on the outside of the telescopic frame, and a pneumatic valve is connected to the outside of the fixed seat.
[0005] As a preferred technical solution of the present invention, positioning pins are provided on the outside of the blow molding mold to facilitate alignment. Fixed rods are connected and installed between the blow molding components. There are three groups of fixed rods, which are distributed at right angles. This can ensure that the position between the two blow molding components will not change and will not affect the movement of the transport component.
[0006] As a preferred technical solution of the present invention, the guide frame is slidably connected to the blow molding assembly, and the guide frame is respectively connected to the cooling chamber and the liquid inlet pipe. The guide frame can be used to guide and prevent the blow molding mold from shifting, and the guide frame can also be used to allow the coolant to circulate between the cooling chamber and the water cooling device.
[0007] As a preferred technical solution of the present invention, the inner walls on both sides of the processing chamber are designed with a triangular structure, and the fixed frame and the second push rod motor each have four groups and are symmetrically distributed, which can stably support the inner liner without affecting the movement of the inner liner.
[0008] As a preferred technical solution of the present invention, a movable groove is provided at the bottom of the processing chamber, and a through groove adapted to the inner plug is provided in the lower scraper, so as to facilitate the movement of the transport component while avoiding obstruction by the lower scraper.
[0009] As a preferred technical solution of the present invention, the main body has two groups and is symmetrically distributed. The screw adopts an electric screw with a motor to control the movement of the moving seat, and dustproof pads are laid on the top of the screw to play a protective role and extend the service life.
[0010] As a preferred technical solution of the present invention, a through hole is provided on the outside of the inner diameter tube, and the outside of the central air pipe is connected to the inner diameter tube, so that the gas can be discharged from the top and the through hole simultaneously, making the gas distribution more uniform.
[0011] As a preferred technical solution of the present invention, there are two groups of fixing seats, which are symmetrically distributed with the central air pipe as the center. A cavity adapted to the inner plug is opened in the positioning frame, and the outer wall of the cavity adopts an inclined design, which can cut off excess waste on the outside of the inner plug during rotation.
[0012] Beneficial effects of the present invention: The present invention places the inner plug through the inner diameter tube in the transport component, uses the blow molding device and the discharge port to discharge the material, and completes the blow molding work through the central air pipe and the blow molding mold. During the blow molding process, the central air pipe can also be rotated by the driven wheel, the second drive motor and the drive wheel, which can not only effectively prevent the raw material from adhering to the outer wall of the central air pipe, but also allow the airflow to evenly fill the raw material to prevent deformation. After the blow molding is completed, the water cooling device and the cooling chamber can be used for rapid cooling to accelerate the shaping. At the same time, the positioning frame can also play a role in positioning the inner liner while assisting in the shaping of the inner liner, so that the transport component can control the inner liner to move to the unloading component, and the clamping shaft can be used to clamp the inner liner and rotate it, so as to cooperate with the lower scraper and the upper scraper to remove excess waste after the inner liner is blow-molded, thereby reducing the steps of manual operation, greatly improving work efficiency, and having certain practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the 3D structure of the present invention; Figure 2 It is a front structural schematic diagram of the present invention; Figure 3 It is a side structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of the top view of the blow molding component in the present invention; Figure 5 It is a schematic diagram of the top view of the blanking assembly in the present invention; Figure 6 It is a side structural schematic diagram of the blanking assembly in the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the transport component in the present invention.
[0014] In the figure: 1. feeding assembly; 2. blow molding assembly; 3. unloading assembly; 4. connecting frame; 5. transport assembly; 6. hopper; 7. feeding pipe; 8. pumping device; 9. blow molding device; 10. discharge port; 21. blow molding mold; 22. first push rod motor; 23. guide frame; 24. cooling chamber; 25. liquid inlet pipe; 26. water cooling device; 27. liquid outlet pipe; 31. processing chamber; 32. fixing frame; 33. telescopic plate; 34. Clamping shaft; 35. First drive motor; 36. Connecting plate; 37. Second push rod motor; 38. Lower scraper; 39. Upper scraper; 501. Main body; 502. Screw; 503. Moving seat; 504. Inner diameter tube; 505. Center air pipe; 506. Driven wheel; 507. Second drive motor; 508. Drive wheel; 509. Fixed seat; 510. Telescopic frame; 511. Positioning frame; 512. Pneumatic valve. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example
[0016] See also Figure 1 - Figure 7 A steel-plastic composite barrel liner blow molding equipment, comprising a feeding component 1, a blow molding component 2 and a lowering component 3, characterized in that a connecting frame 4 is arranged on the top of the feeding component 1, the blow molding component 2 and the lowering component 3, and a transport component 5 is connected and installed between the blow molding component 2 and the lowering component 3, a hopper 6 is placed in the feeding component 1, and a feeding pipe 7 is connected and installed on the top of the feeding component 1, and a suction and pressure device 8 is connected to the top of the feeding pipe 7 through the connecting frame 4, a blow molding device 9 is fixedly installed on the top of the connecting frame 4, and the suction and pressure device 8 and the blow molding device 9 are connected by a pipeline, and a discharge port 10 is connected and installed at the bottom of the blow molding device 9 through the connecting frame 4; The blow molding components 2 have two groups and are symmetrically distributed. The blow molding components 2 are slidably connected with blow molds 21, and the inner sides of the blow molding molds 21 are connected with first push rod motors 22 through the blow molding components 2. Positioning pins are arranged on the outer sides of the blow molding molds 21 for easy alignment. Fixed rods are connected and installed between the blow molding components 2. The fixed rods have three groups and are distributed at right angles, which can ensure that the positions between the two blow molding components 2 will not change and will not affect the movement of the transport component 5. Guide frames 23 are arranged on both sides of the blow molding molds 21. The blow molding molds 2 1 is provided with a cooling chamber 24, the end of the guide frame 23 is connected with a liquid inlet pipe 25, the bottom of the blow molding component 2 is provided with a water cooling device 26, the top of the water cooling device 26 is provided with a liquid outlet pipe 27, and the liquid inlet pipe 25 is connected with the liquid outlet pipe 27, the guide frame 23 is slidably connected with the blow molding component 2, and the guide frame 23 is respectively connected with the cooling chamber 24 and the liquid inlet pipe 25, the guide frame 23 can be used to guide to prevent the blow molding mold 21 from deflecting, and the guide frame 23 can also be used to allow the coolant to circulate between the cooling chamber 24 and the water cooling device 26, The unloading assembly 3 is provided with a processing chamber 31, and a fixing frame 32 is fixedly installed in the processing chamber 31, a telescopic plate 33 is slidably connected in the fixing frame 32, a pressing shaft 34 is rotatably connected to the telescopic plate 33, and a first driving motor 35 is connected to the top of the pressing shaft 34 through the telescopic plate 33, a connecting plate 36 is fixedly installed between the first driving motors 35, a second push rod motor 37 is connected to the inner side of the connecting plate 36, and one end of the second push rod motor 37 is connected to the processing chamber 31, and the processing chamber 31 is provided with a first push rod motor 37, and a second push rod motor 37 is connected to the processing chamber 31. The inner walls on both sides are designed with a triangular structure. The fixed frame 32 and the second push rod motor 37 each have four groups and are symmetrically distributed, which can stably support the inner liner without affecting the movement of the inner liner. A lower scraper 38 is fixedly installed on the inner wall at the bottom of the processing chamber 31, and an upper scraper 39 is connected and installed on the top inner wall of the processing chamber 31. A moving groove is opened at the bottom of the processing chamber 31, and a through groove adapted to the inner plug is opened in the lower scraper 38, which facilitates the movement of the transport component 5 while avoiding obstruction caused by the lower scraper 38. The transport component 5 includes a main body 501, in which a screw rod 502 is rotatably connected, and a movable seat 503 is connected to the outer side of the screw rod 502 through a thread. The main body 501 has two groups and is symmetrically distributed. The screw rod 502 adopts an electric screw rod with a motor to control the movement of the movable seat 503, and a dustproof pad is laid on the top of the screw rod 502 to play a protective role and extend the service life. The top of the movable seat 503 is rotatably connected to an inner diameter tube 504, and a central air pipe 505 is fixedly installed in the movable seat 503. A through hole is provided on the outer side of the inner diameter tube 504, and the outer side of the central air pipe 505 is connected to the inner diameter tube 504, so that the gas can be discharged from the top and the through hole synchronously, so that the gas distribution can be more uniform. The bottom of the inner diameter tube 504 is through A driven wheel 506 is fixedly installed on the movable seat 503, a second drive motor 507 is fixedly installed inside the movable seat 503, and the output shaft of the second drive motor 507 is connected to a drive wheel 508, and the drive wheel 508 is meshingly connected to the driven wheel 506, a fixed seat 509 is fixedly installed on the top of the movable seat 503, and a telescopic frame 510 is slidably connected inside the fixed seat 509, a positioning frame 511 is fixedly installed on the outside of the telescopic frame 510, the fixed seat 509 has two groups, and are symmetrically distributed with the central air pipe 505 as the center, a cavity adapted to the inner plug is opened in the positioning frame 511, and the outer wall of the cavity adopts an inclined design, which can cut off excess waste on the outside of the inner plug during rotation, and a pneumatic valve 512 is connected and installed on the outside of the fixed seat 509.
[0017] Working principle: When in use, it is necessary to place an inner plug outside the inner diameter tube 504, then open the suction and pressure device 8, extract the raw material in the hopper 6 and send it to the blow molding device 9 for melting, and then discharge it from the discharge port 10. When the raw material falls to the outside of the inner diameter tube 504, turn on the first push rod motor 22, extend and connect the blow molding mold 21 to cover the raw material, and at the same time, the pneumatic valve 512 injects gas into the fixed seat 509 to extend the positioning frame 511 and connect it to the inner diameter tube 504, and then inject gas through the central air pipe 505 to perform blow molding. At the same time, the second drive motor 507 and the drive wheel 508 control the driven wheel 506 and the inner diameter tube 504 to rotate, so that the gas The body is evenly filled inside the liner. After the filling is completed, the water cooling device 26 injects the coolant into the guide frame 23 and the cooling chamber 24 through the liquid outlet pipe 27 and the liquid inlet pipe 25 and circulates it continuously to reduce the temperature and speed up the forming time of the liner. After completion, the blow mold 21 is retracted, and the inner liner is moved to the processing chamber 31 of the blanking component 3 by rotating the screw 502, and the second push rod motor 37 is turned on to make the clamping shaft 34 connect with the outside of the inner liner, and the inner liner is controlled to rotate by the first drive motor 35, so that the excess waste on the outside of the inner liner is continuously in contact with the lower scraper 38 and the upper scraper 39, and is cut off, so that the outer wall of the inner liner is cut while the material is being blanked, reducing subsequent processing.
[0018] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A steel-plastic composite barrel liner blow molding device, comprising a feeding component (1), a blow molding component (2) and a feeding component (3), characterized in that: A connecting frame (4) is arranged on the top of the feeding component (1), the blow molding component (2) and the lowering component (3), and a transport component (5) is connected and installed between the blow molding component (2) and the lowering component (3); a hopper (6) is placed in the feeding component (1), and a feeding pipe (7) is connected and installed on the top of the feeding component (1); the top of the feeding pipe (7) is connected to a pumping device (8) through the connecting frame (4); a blow molding device (9) is fixedly installed on the top of the connecting frame (4), and the pumping device (8) and the blow molding device (9) are connected through a pipe; and a discharge port (10) is connected and installed on the bottom of the blow molding device (9) through the connecting frame (4); The blow molding components (2) have two groups and are symmetrically distributed. The blow molding components (2) are both slidably connected to a blow molding mold (21), and the inner side of the blow molding mold (21) is connected to a first push rod motor (22) through the blow molding components (2). Guide frames (23) are provided on both sides of the blow molding mold (21). A cooling chamber (24) is provided in the blow molding mold (21). A liquid inlet pipe (25) is connected and installed at the end of the guide frame (23). A water cooling device (26) is provided at the bottom of the blow molding component (2). A liquid outlet pipe (27) is provided at the top of the water cooling device (26), and the liquid inlet pipe (25) is connected to the liquid outlet pipe (27); The unloading assembly (3) is provided with a processing chamber (31), and a fixing frame (32) is fixedly installed in the processing chamber (31), a telescopic plate (33) is slidably connected in the fixing frame (32), the telescopic plate (33) is rotatably connected to a clamping shaft (34), and the top of the clamping shaft (34) is connected to a first driving motor (35) through the telescopic plate (33), a connecting plate (36) is fixedly installed between the first driving motors (35), a second push rod motor (37) is connected and installed on the inner side of the connecting plate (36), and one end of the second push rod motor (37) is connected to the processing chamber (31), a lower scraper (38) is fixedly installed on the inner wall of the bottom of the processing chamber (31), and an upper scraper (39) is connected and installed on the inner wall of the top of the processing chamber (31); The transport assembly (5) comprises a main body (501), a screw rod (502) being rotatably connected inside the main body (501), a movable seat (503) being connected to the outer side of the screw rod (502) via a thread, an inner diameter tube (504) being rotatably connected to the top of the movable seat (503), a central air pipe (505) being fixedly installed inside the movable seat (503), a driven wheel (506) being fixedly installed at the bottom of the inner diameter tube (504) via the movable seat (503), and a movable seat (503) being fixedly installed inside the movable seat (503). A second drive motor (507) is installed, and the output shaft of the second drive motor (507) is connected to a drive wheel (508), the drive wheel (508) is meshingly connected to the driven wheel (506), a fixed seat (509) is fixedly installed on the top of the movable seat (503), and a telescopic frame (510) is slidably connected inside the fixed seat (509), a positioning frame (511) is fixedly installed on the outside of the telescopic frame (510), and a pneumatic valve (512) is connected and installed on the outside of the fixed seat (509).
2. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: Positioning pins are arranged on the outside of the blow mould (21), and fixing rods are connected and installed between the blow moulding components (2). There are three groups of fixing rods, which are distributed at right angles.
3. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: The guide frame (23) is slidably connected to the blow molding assembly (2), and the guide frame (23) is respectively in communication with the cooling chamber (24) and the liquid inlet pipe (25).
4. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: The inner walls on both sides of the processing chamber (31) are designed with a triangular structure, and the fixing frame (32) and the second push rod motor (37) each have four groups and are symmetrically distributed.
5. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: A movable groove is provided at the bottom of the processing chamber (31), and a through groove adapted to the inner plug is provided in the lower scraper (38).
6. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: The main body (501) has two groups and is symmetrically distributed. The screw rods (502) are electric screw rods with motors, and dustproof pads are laid on the tops of the screw rods (502).
7. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: A through hole is provided on the outer side of the inner diameter tube (504), and the outer side of the central air pipe (505) is in communication with the inner diameter tube (504).
8. The steel-plastic composite barrel liner blow molding equipment according to claim 1 is characterized in that: There are two groups of fixing seats (509), which are symmetrically distributed with the central air pipe (505) as the center. A cavity adapted to the inner plug is provided in the positioning frame (511), and the outer wall of the cavity is designed to be inclined.