A circulating rapid injection molding tube making equipment

Abstract

The invention discloses a circulating rapid injection molding tube making equipment, including a cooling pool filled with coolant, support plates are arranged on both sides of the cooling pool, the support plates are connected to an injection mold plate sleeved on a support shaft through a driving assembly, an injection mold cavity for making a tube is provided in the injection mold plate, an arc extension ring is provided on the outer wall of the support plate, the arc extension ring is connected to a rectangular driving plate through an elastic trigger assembly, the rectangular driving plate is connected to an adjustment shaft through an extrusion assembly, the bottom of the adjustment shaft is fixedly connected to an injection molding chassis, and a buoyancy air ring for driving the injection molding chassis to rotate is arranged on the injection molding chassis. The invention provides an injection mold cavity on a rotating injection mold plate, when the injection mold cavity rotates to the top, the injection mold cavity will be connected to the injection channel, the polyethylene raw material will enter the injection mold cavity for injection molding, after the injection molding is completed, the next injection mold cavity is injected by rotating the injection mold plate, thereby improving production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of plastic tube production, in particular to a circulating rapid injection molding tube making device. Background Art

[0002] Plastic barrels are mostly used for the storage and transportation of various liquids. They have good characteristics for the packaging of special dangerous goods. They are not easy to break, rust-free, light, and have excellent oil and strong corrosion resistance. They are mostly used for the packaging of dangerous goods that require heat preservation, moisture resistance, pressure resistance, and corrosion resistance. Plastic barrels are mostly made of polyethylene, polypropylene, polyester and other plastics through blow molding, injection molding, blister molding, and rotational molding.

[0003] At present, most of the plastic cylinders on the market are processed by injection molding. Although this method can ensure the processing quality of the plastic cylinder, the injection cylinder is in the mold and needs to be cooled before demolding, which will affect the service life of the mold and the processing efficiency. In addition, it is very troublesome to demold the injection cylinder in the mold. The ejector pin needs to be driven by pneumatic components to achieve demolding. The cost of the equipment is large and it is not suitable for small enterprises to produce. Therefore, a reasonable design is made according to the characteristics of the plastic cylinder, and a circulating rapid injection molding cylinder making equipment is proposed, which has low operating costs and excellent processing efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a circulating rapid injection molding tube making equipment.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A circulating rapid injection molding tube making equipment, comprising a cooling pool filled with coolant, support plates are arranged on both sides of the cooling pool, a support shaft is arranged on the inner wall of the support plate, the support plate is connected to an injection mold plate sleeved on the support shaft through a driving component, an injection mold cavity for making tubes is opened in the injection mold plate, demolding ports that penetrate the injection mold plate are opened on both sides of the injection mold cavity, the support plate is connected to an outer mold plate located in the demolding port through a linkage component, an arc-shaped extension ring is arranged on the outer wall of the support plate, the arc-shaped extension ring is connected to a rectangular driving plate through an elastic trigger component, the rectangular driving plate is connected to an adjusting shaft through an extrusion component, the bottom of the adjusting shaft is fixedly connected to an injection molding chassis, a buoyancy air ring that drives the injection molding chassis to rotate is arranged on the injection molding chassis, and a liquid-displacing component that drives the coolant to flow is arranged on the outer wall of the injection molding chassis;

[0007] The linkage assembly includes a spherical contact opening in the support plate, the outer wall of the outer template is fixedly connected with a guide column, the end of the guide column passes through the spherical contact opening and is fixedly connected with a contact ball, and the two oppositely arranged outer templates are connected through a positioning opening and a positioning column;

[0008] The extrusion assembly includes a rectangular spring opening opened on a rectangular driving plate, the inner wall of the rectangular spring opening is fixedly connected to a vertical guide column, the outer wall of the vertical guide column is sleeved with a spring slider, the spring slider is connected to the rectangular spring opening through a compression spring sleeved on the outer wall of the vertical guide column, the spring slider is fixedly connected to a rotating shaft, and the adjusting shaft is provided with a rotating hole sleeved with the rotating shaft.

[0009] Preferably, the drive assembly includes a servo motor arranged on the outer wall of the support plate, the output end of the servo motor extends inward through the support plate and is fixedly connected to a drive gear, and one side of the injection mold plate is fixedly connected to a drive gear ring meshing with the drive gear.

[0010] Preferably, the elastic trigger assembly comprises an arc-shaped guide opening provided on the arc-shaped extension ring, the arc-shaped guide opening is fixedly connected to a guide arc-shaped column, one end of the rectangular driving plate is fixedly connected to a driving column, and the end of the driving column is fixedly connected to a sleeve ring sleeved with the guide arc-shaped column;

[0011] Preferably, arc-shaped return columns are provided on both sides of the collar, the arc-shaped extension ring is provided with a pneumatic compression port, the arc-shaped return column penetrates into the pneumatic compression port, and is fixedly connected with a pneumatic piston block.

[0012] Preferably, the liquid-displacing component comprises a plurality of arc-shaped openings on the outer wall of the injection mold disk, the inner wall of the arc-shaped opening is rotatably connected to a driving blade via a rotation shaft, one end of the rotation shaft extends outward through the side wall of the arc-shaped opening and is fixedly connected to a rotation gear, and a driving rack meshing with the rotation gear is arranged under the support disk.

[0013] Preferably, the support shaft is provided with an injection channel for an external injection molding device, and the injection mold plate is provided with injection holes evenly distributed in the injection mold cavity.

[0014] Preferably, the bottom of the injection molding chassis is arranged in a trapezoidal shape, and a sealing rubber ring for packaging sealing is arranged on the outer side wall of the injection molding chassis.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The device opens an injection mold cavity on a rotating injection mold plate. When the injection mold cavity rotates upward, the injection mold cavity and the injection channel are connected, and the polyethylene raw material enters the injection mold cavity for injection molding. After the injection molding is completed, the injection mold plate is rotated to inject the next injection mold cavity, thereby improving production efficiency.

[0017] 2. The plastic cylinder in the injection mold cavity will move into the coolant during the carrying process, and the coolant will cool down and shape the plastic cylinder. The injection molding chassis and the plastic cylinder will be demoulded due to the difference in water buoyancy. The outer template and the plastic cylinder will be demoulded during the movement, and the coolant will enter the plastic cylinder, causing the plastic cylinder to automatically fall off into the coolant, thus achieving automatic falling off.

[0018] 3. The present invention realizes the whole process of injection molding, cooling molding and automatic demoulding through the rotation process of the injection mold plate. The production equipment has a simple structure, convenient operation and low equipment cost, and is more suitable for small and medium-sized factories to produce plastic cylinders. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a circulating rapid injection molding tube making device proposed by the present invention;

[0020] Figure 2 This is a schematic cross-sectional structure diagram of a cyclic rapid injection molding tube making device proposed by the present invention;

[0021] Figure 3 This is a schematic structural diagram of an arc-shaped extension ring in a cyclic rapid injection molding tube-making device proposed by the present invention;

[0022] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 5 for Figure 1 Schematic diagram of the enlarged structure at point B in the middle.

[0024] In the figure: 1 cooling pool, 2 support plate, 3 support shaft, 4 injection mold plate, 5 injection mold cavity, 6 outer mold plate, 7 arc extension ring, 8 rectangular driving plate, 9 adjustment shaft, 10 injection molding chassis, 11 buoyancy air ring, 12 driving gear, 13 driving gear ring, 14 spherical contact port, 15 guide column, 16 contact ball, 17 positioning column, 18 guide arc column, 19 driving column, 20 collar, 21 arc return column, 22 pneumatic compression port, 23 pneumatic piston block, 24 vertical guide column, 25 spring slider, 26 rotating shaft, 27 rotation shaft, 28 driving blade, 29 rotation gear, 30 driving rack, 31 injection channel, 32 injection hole, 33 sealing rubber ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] Reference Figure 1-5 A circulating rapid injection molding tube making equipment comprises a cooling pool 1 filled with coolant, wherein the coolant can be lubricating oil, support plates 2 are arranged on both sides of the cooling pool 1, and a support shaft 3 is arranged on the inner wall of the support plate 2. The support plate 2 is connected to an injection mold plate 4 sleeved on the support shaft 3 through a driving component, and the support shaft 3 and the injection mold plate 4 are rotatably connected through a bearing. Furthermore, the driving component comprises a servo motor arranged on the outer wall of the support plate 2, and the servo motor is controlled by programming to achieve an intermittent driving effect. The output end of the servo motor extends inward through the support plate 2 and is fixedly connected to a driving gear 12, and one side of the injection mold plate 4 is fixedly connected to a driving gear ring 13 meshing with the driving gear 12.

[0027] An injection mold cavity 5 for making a tube is provided in the injection mold disc 4, and an injection channel 31 connected to an external injection molding device is provided on the support shaft 3, wherein the injection channel 31 is externally connected to an injection molding device for conveying polyethylene raw materials, which is a commonly used device in this technical field and is a prior art, and will not be described in detail here. The injection mold disc 4 is provided with injection holes 32 evenly distributed to the injection mold cavity 5; demolding ports that penetrate the injection mold disc 4 are provided on both sides of the injection mold cavity 5, and the support disc 2 is connected to an outer mold plate 6 located in the demolding port through a linkage component, and a conventional sealing layer is provided between the outer mold plate 6 and the demolding port to ensure a sealing effect of sliding contact. Furthermore, the linkage component includes a spherical contact port 14 provided in the support disc 2, wherein the spherical contact port 14 It deflects outward near the left side of the cooling pool 1, that is, the distance between it and the injection mold plate 4 becomes larger, so that under the action of the contact ball 16, the outer templates 6 located on both sides of the injection mold cavity 5 connected to it through the guide column 15 will gradually move outward to both sides, the outer wall of the outer template 6 is fixedly connected with the guide column 15, the end of the guide column 15 passes through the spherical contact port 14 and is fixedly connected with the contact ball 16, and the two oppositely arranged outer templates 6 are connected by a positioning port and a positioning column 17, wherein the positioning column 17 and the positioning port are arranged opposite to each other, when the positioning column 17 is fixedly connected to the outer template 6, the positioning port is provided on the outer template 6 on the other side, and the two are adapted to ensure the accurate docking of the two outer templates 6 when the mold is closed.

[0028] An arc-shaped extension ring 7 is provided on the outer wall of the support plate 2, and the arc-shaped extension ring 7 is connected to a rectangular driving plate 8 through an elastic trigger component. Furthermore, the elastic trigger component includes an arc-shaped guide port opened on the arc-shaped extension ring 7, and the arc-shaped guide port is fixedly connected to a guide arc column 18. A driving column 19 is fixedly connected to one end of the rectangular driving plate 8, and a ring 20 which is sleeved with the guide arc column 18 is fixedly connected to the end of the driving column 19. Arc-shaped return columns 21 are provided on both sides of the ring 20. A pneumatic compression port 22 is opened in the arc-shaped extension ring 7, and the arc-shaped return column 21 penetrates into the pneumatic compression port 22 and is fixedly connected to a pneumatic piston block 23. In order to ensure that the pneumatic pressure can restore the ring 20 to the top, the movement of the pneumatic piston block 23 in the pneumatic compression port 22 can be controlled by an air pump.

[0029] The rectangular driving plate 8 is connected to the adjusting shaft 9 through an extrusion component. Furthermore, the extrusion component includes a rectangular spring opening opened on the rectangular driving plate 8, and the inner wall of the rectangular spring opening is fixedly connected to a vertical guide column 24. The outer wall of the vertical guide column 24 is sleeved with a spring slider 25. The spring slider 25 is connected to the rectangular spring opening through a compression spring sleeved on the outer wall of the vertical guide column 24. The compression spring will apply downward pressure to the spring slider 25, so that the injection molding chassis 10 connected thereto through the rotating shaft 26 can always have downward pressure to ensure the sealing effect with the injection mold cavity 5. The spring slider 25 is fixedly connected to the rotating shaft 26, and a rotating hole sleeved with the rotating shaft 26 is opened on the adjusting shaft 9, so that the injection molding chassis 10 connected to the adjusting shaft 9 can rotate relatively, so that when the buoyancy air ring 11 thereon is at the bottom of the water, different buoyancy is generated to drive the injection molding chassis 10 to rotate, thereby achieving the effect of demolding the injection molding chassis 10.

[0030] The bottom of the adjusting shaft 9 is fixedly connected to an injection molding chassis 10, the bottom of the injection molding chassis 10 is set in a trapezoidal shape, and the outer wall of the injection molding chassis 10 is provided with a sealing rubber ring 33 for packaging sealing; the injection molding chassis 10 is provided with a buoyancy air ring 11 for driving the injection molding chassis 10 to rotate, wherein when the injection mold plate 4 moves downward, driving the buoyancy air ring 11 to move downward, the buoyancy generated by the buoyancy air ring 11 will apply different forces to the upper and lower ends of the injection mold plate 4, thereby enabling the injection mold plate 4 to rotate, and the outer wall of the injection mold plate 4 is provided with a liquid driving component for driving the coolant to flow ; Further, the liquid-displacing component includes a plurality of arc-shaped openings on the outer wall of the injection mold plate 4, the inner wall of the arc-shaped opening is rotatably connected to a driving blade 28 through a rotation shaft 27, one end of the rotation shaft 27 extends outward through the side wall of the arc-shaped opening, and is fixedly connected to a rotation gear 29, and a driving rack 30 meshing with the rotation gear 29 is provided below the support. When the injection mold plate 4 is rotating, when the rotation gear 29 moves to the driving rack 30, the rotation gear 29 will rotate under the resistance of the driving rack 30, thereby achieving the effect of the driving blade 28 moving the coolant.

[0031] Specifically, when the present invention performs injection molding to produce a plastic cylinder, the working process is that the driving gear 12 under the action of the servo motor causes the driving gear ring 13 to drive the injection mold plate 4 to rotate. When the injection mold plate 4 rotates to the top, the injection mold chassis 10 exerts downward pressure by the compression spring to close the opening of the injection mold cavity 5. At the same time, the injection hole 32 provided on the injection mold plate 4 and the injection channel 31 provided on the support shaft 3 are in a through state. At this time, the injection molding machine will inject the hot-melt polyethylene raw material into the injection mold cavity 5 provided on the injection mold plate 4 through the injection hole 32, and gradually form it in the injection mold cavity 5.

[0032] When the injection mold plate 4 rotates, the injection molding material in the injection mold cavity 5 above and the injection molding chassis 10 thereon will move. When the injection molding chassis 10 is driven by the injection mold plate 4 to move, the collar 20 connected to it through the driving column 19 will move on the arc extension ring 7. Then, when the collar 20 moves, the pneumatic piston block 23 connected to it through the arc return column 21 will move in the pneumatic compression port 22 to compress the air.

[0033] When the injection mold chassis 10 is driven by the injection mold plate 4 to move into the cooling pool 1 and immersed in the coolant, the buoyancy air ring 11 arranged on the injection mold chassis 10 is located at a deeper water depth at its bottom, and the buoyancy force on the buoyancy air ring 11 is different, so that the buoyancy air ring 11 located in the deep water is subjected to a greater buoyancy, and the injection mold chassis 10 is driven to rotate with the rotating shaft 26 as the axis under the repulsive effect of the buoyancy. At this time, the injection mold chassis 10 originally blocked by the injection mold cavity 5 will be separated from the injection mold cavity 5 due to the rotational force, and will be resisted by the side wall of the opening of the injection mold cavity 5, which will generate pressure on the compression spring, and the spring slider 25 will generate relative movement, and the blocking force of the injection mold cavity 5 on the injection mold chassis 10 will be cancelled. Under the action of the compressed gas in the pneumatic compression port 22, the injection mold chassis 10 will return to the top of the injection mold plate 4 again and dock with the next injection mold cavity 5, and the cycle will be repeated.

[0034] When the injection mold plate 4 is moved into the coolant, the plastic cylinder in the injection mold cavity 5 will be cooled. When the injection mold base plate 10 is opened, the coolant in the cooling pool 1 will enter the injection mold cavity 5 and contact the outer wall of the plastic cylinder therein. While cooling again, the plastic cylinder and the inner wall of the injection mold cavity 5 will also be lubricated.

[0035] When the injection mold plate 4 moves to the left side of the cooling pool 1, at this time, due to the gradually increasing distance between the spherical abutment port 14 and the injection mold plate 4, the outer mold plates 6 on both sides of the injection mold cavity 5 connected thereto through the guide column 15 will gradually move outward to both sides under the action of the abutment ball 16. During the outward movement, the plastic tube in the injection mold cavity 5 will be demoulded. At this time, due to the outward movement of the outer mold plate 6, a large amount of coolant will enter the plastic tube and gradually concentrate in the area between the plastic tube and the injection mold plate 4. The entry of the coolant will realize the demoulding of the injection mold plate 4 and the plastic tube, and when the injection mold plate 4 drives the plastic tube to separate from the coolant in the cooling pool 1, the buoyancy of the coolant on the plastic tube will be continuously reduced, and the coolant between the injection mold plate 4 and the plastic tube will apply gravity to the plastic tube. When the buoyancy is less than the gravity, under the lubrication of the gravity and the coolant, the plastic tube in the injection mold plate 4 will fall freely into the cooling pool 1.

[0036] When the plastic cylinder falls into the cooling pool 1, the self-rotating gear 29 is driven to rotate under the action of the driving rack 30, and then the driving blade 28 arranged in the injection mold plate 4 is rotated to stir the liquid in the cooling pool 1. The plastic cylinder floating on the liquid surface will be moved to one side of the cooling pool 1 under the action of the waves on the coolant. At this time, the workers only need to collect it on one side.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circulating rapid injection molding tube making device, comprising a cooling pool (1) filled with a coolant, It is characterized in that Support plates (2) are provided on both sides of the cooling pool (1), and a support shaft (3) is provided on the inner wall of the support plate (2). The support plate (2) is connected to an injection mold plate (4) sleeved on the support shaft (3) through a driving component. An injection mold cavity (5) for making a tube is provided in the injection mold plate (4). Demolding openings penetrating the injection mold plate (4) are provided on both sides of the injection mold cavity (5). The support plate (2) is connected to an outer mold plate (6) located in the demoulding opening through a linkage component. The outer wall of the plate (2) is provided with an arc-shaped extension ring (7), the arc-shaped extension ring (7) is connected to a rectangular driving plate (8) via an elastic trigger component, the rectangular driving plate (8) is connected to an adjustment shaft (9) via an extrusion component, the bottom of the adjustment shaft (9) is fixedly connected to an injection molding chassis (10), the injection molding chassis (10) is provided with a buoyancy air ring (11) for driving the injection molding chassis (10) to rotate, and the outer wall of the injection molding plate (4) is provided with a liquid driving component for driving the coolant to flow; The linkage assembly comprises a spherical abutment opening (14) provided in the support plate (2); a guide column (15) is fixedly connected to the outer wall of the outer template (6); an end of the guide column (15) passes through the spherical abutment opening (14) and is fixedly connected to a abutment ball (16); and two oppositely arranged outer templates (6) are connected via a positioning opening and a positioning column (17); The extrusion assembly comprises a rectangular spring opening formed on a rectangular driving plate (8), the inner wall of the rectangular spring opening being fixedly connected to a vertical guide column (24), the outer wall of the vertical guide column (24) being sleeved with a spring slider (25), the spring slider (25) being connected to the rectangular spring opening via a compression spring sleeved on the outer wall of the vertical guide column (24), the spring slider (25) being fixedly connected to a rotating shaft (26), and the adjusting rotating shaft (9) being provided with a rotating hole sleeved with the rotating shaft (26).

2. A circulating rapid injection molding tube making equipment according to claim 1, It is characterized in that The drive assembly comprises a servo motor arranged on the outer wall of the support plate (2), the output end of the servo motor passes through the support plate (2) and extends inwardly and is fixedly connected to a drive gear (12), and one side of the injection mold plate (4) is fixedly connected to a drive gear ring (13) meshing with the drive gear (12).

3. A circulating rapid injection molding tube making equipment according to claim 1, It is characterized in that The elastic trigger assembly comprises an arc-shaped guide opening formed on an arc-shaped extension ring (7), the arc-shaped guide opening being fixedly connected to a guide arc-shaped column (18), one end of the rectangular driving plate (8) being fixedly connected to a driving column (19), and the end of the driving column (19) being fixedly connected to a sleeve ring (20) sleeved with the guide arc-shaped column (18).

4. A circulating rapid injection molding tube making equipment according to claim 3, It is characterized in that Arc-shaped return columns (21) are provided on both sides of the collar (20), the arc-shaped extension ring (7) is provided with a pneumatic compression port (22), the arc-shaped return column (21) penetrates into the pneumatic compression port (22) and is fixedly connected to a pneumatic piston block (23).

5. A circulating rapid injection molding tube making equipment according to claim 1, It is characterized in that The liquid-displacing assembly comprises a plurality of arc-shaped openings formed on the outer wall of the injection mold plate (4); the inner wall of the arc-shaped opening is rotatably connected to a driving blade (28) via a rotation shaft (27); one end of the rotation shaft (27) passes through the side wall of the arc-shaped opening and extends outwardly, and is fixedly connected to a rotation gear (29); a driving rack (30) meshing with the rotation gear (29) is provided below the support plate (2).

6. A circulating rapid injection molding tube making equipment according to claim 1, It is characterized in that The support shaft (3) is provided with an injection channel (31) for externally connected injection molding equipment, and the injection mold plate (4) is provided with injection holes (32) evenly distributed to the injection mold cavity (5).

7. A circulating rapid injection molding tube making equipment according to claim 1, It is characterized in that The bottom of the injection molding chassis (10) is arranged in a trapezoidal shape, and a sealing rubber ring (33) for packaging sealing is arranged on the outer side wall of the injection molding chassis (10).

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