Bottle blank cooling device for injection molding machine
By using baffles to move the preform within the cylindrical shell and combining this with ventilation holes to blow out cooling air, the problem of preform accumulation during cooling is solved, achieving a more efficient cooling effect.
Patent Information
- Application Number
- CN202520393392.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Preforms tend to accumulate during traditional cooling processes, leading to incomplete cooling and low efficiency.
Multiple baffles are used to move the preform slowly inside the cylindrical shell, and cooling air is blown out through ventilation holes on the bottom and side inner walls to ensure that the preform is in full contact with the cooling air.
It effectively prevents preform accumulation, improves cooling efficiency, and ensures more thorough cooling.
Smart Images
Figure CN223877472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bottle blank processing technical field, concretely is a bottle blank cooling device for injection molding machine. BACKGROUND
[0002] The bottle blank injection molding machine melts and injects thermoplastic plastic raw materials (such as PET, PP, etc.) into a mold through heating and pressurizing, and forms a bottle blank with a certain shape and size after cooling and solidification. Specifically, plastic particles are heated to a molten state in the barrel, and then the molten plastic is injected into the mold cavity through the rotation and propulsion of the screw. When the melt is shaped in the mold, the molded bottle blank is taken out.
[0003] After preliminary molding, the bottle blank needs to be cooled to improve its mechanical strength and toughness. Usually, the bottle blank falls from the injection molding machine into the conveyor belt and is uniformly cooled after being conveyed to the cooling device by the conveyor belt. This cooling method is prone to cause the bottle blanks to accumulate together, which in turn makes the cooling of the bottle blanks incomplete and the cooling efficiency low. SUMMARY
[0004] To overcome the above-mentioned deficiencies of the prior art, the utility model provides a bottle blank cooling device for injection molding machine, which slowly moves the bottle blank rolled off from the discharge plate in the cylindrical shell by the multiple partitions, and then cools the bottle blank by the cooling air blown out from the multiple first ventilation holes in the bottom and the inner wall of the side of the cylindrical shell. This can effectively prevent the bottle blanks from accumulating during the cooling process, thereby increasing the contact area of the bottle blanks with the cooling air during cooling, making the cooling more complete and improving the cooling efficiency.
[0005] To achieve the above-mentioned purposes, the utility model is implemented by the following technical solutions: a bottle blank cooling device for injection molding machine, comprising an injection molding machine body and a hollow cylindrical shell, a feeding port is formed on the cylindrical shell, an inclined discharge plate is arranged between the bottle blank outlet of the injection molding machine body and the feeding port of the cylindrical shell, a motor is arranged on the top of the cylindrical shell, the output shaft of the motor penetrates the top wall of the cylindrical shell and is connected with a rotating shaft at the end, multiple partitions are arranged equidistantly on the rotating shaft, ventilation cavities are formed on the bottom wall and the side wall of the cylindrical shell, an air inlet pipe is arranged in communication with the ventilation cavities at the bottom of the cylindrical shell, the air inlet pipe is connected with an external air supply device, multiple first ventilation holes are formed on the inner wall of the bottom and the side of the cylindrical shell, multiple second ventilation holes are formed on the top of the cylindrical shell, and a fan-shaped discharge port is formed on the bottom of the cylindrical shell on one side of the feeding port.
[0006] Preferably, a pair of side edge baffles is arranged on both sides of the discharge plate.
[0007] Preferably, multiple support legs are arranged on the bottom of the cylindrical shell and the discharge plate.
[0008] The utility model provides a bottle blank cooling device for injection molding machine has the following beneficial effects:
[0009] 1. The utility model discloses a plurality of baffle drive the bottle blank that rolls down from the discharge plate slowly moves in the cylindrical shell, and then the cooling wind that blows out from the first vent hole in the bottom and the lateral wall of cylindrical shell carries out the cooling to the bottle blank, can effectively prevent the bottle blank from piling up in the cooling process, and then the contact area of bottle blank cooling and cooling wind is promoted, makes the cooling more completely, promotes the cooling efficiency.
[0010] 2. The utility model discloses a pair of side edge baffle is provided with on the both sides of discharge plate, and a pair of side edge baffle prevents the bottle blank from falling to the outside when rolling down on the discharge plate, and the bottom of cylindrical shell and discharge plate all is provided with support leg, and a plurality of support legs support cylindrical shell and discharge plate. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structural schematic diagram of the utility model;
[0012] Figure 2 It is the utility model Figure 1 It is the sectional view of A-A direction in the utility model;
[0013] Figure 3 It is the three-dimensional structural schematic diagram of discharge plate and side edge baffle of the utility model.
[0014] In the drawing: 1, injection molding machine body, 2, discharge plate, 3, side edge baffle, 4, cylindrical shell, 4-1, ventilation cavity, 4-2, feed inlet, 5, motor, 6, pivot, 7, baffle, 8, first vent hole, 9, second vent hole, 10, air inlet pipe, 11, discharge port. DETAILED DESCRIPTION
[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0016] As Figures 1-3As shown, a kind of bottle blank cooling device for injection molding machine, including injection molding machine body 1 and hollow structure's cylindrical shell 4, the feeding port 4-2 is opened in the cylindrical shell 4, the inclined discharge plate 2 between the bottle blank outlet of the injection molding machine body 1 and the feeding port 4-2 of cylindrical shell 4 is provided, the top of the cylindrical shell 4 is provided with motor 5, the output shaft of the motor 5 is penetrated to the top wall of cylindrical shell 4 and the end is connected with rotating shaft 6, a plurality of partitions 7 are circumferentially equidistantly provided on the rotating shaft 6, the bottom wall and the lateral wall of the cylindrical shell 4 are all opened with ventilation cavity 4-1, the bottom of the cylindrical shell 4 is provided with air inlet pipe 10 in communication with ventilation cavity 4-1, the air inlet pipe 10 is connected with external air supply device, a plurality of first ventilation holes 8 are opened on the inner wall of the bottom and the side of the cylindrical shell 4, a plurality of second ventilation holes 9 are opened on the top of the cylindrical shell 4, the bottom of the cylindrical shell 4 and the side of the feeding port 4-2 are opened with fan-shaped discharge port 11;A pair of side baffles 3 are arranged on the both sides of the discharge plate 2;The bottom of the cylindrical shell 4 and the discharge plate 2 are all provided with a plurality of support legs.
[0017] Detailed connection means, for the art, the following mainly introduces working principle and process, as follows:
[0018] In the utility model, motor 5 is connected with external electric control system by wire, above equipment and connection mode are prior art, and too much is not repeated here.
[0019] According to the description attached Figures 1-3 It can be known that, in use, the external air supply device is used to send cooling air into the air inlet pipe 10, the cooling air enters the ventilation cavity 4-1 opened in the bottom wall and the lateral wall of the cylindrical shell 4 through the air inlet pipe 10, and then enters the hollow part of the cylindrical shell 4 through the first ventilation hole 8 opened on the inner wall of the bottom and the side of the cylindrical shell 4, and finally is discharged from the second ventilation hole 9 opened on the top wall of the cylindrical shell 4;The molten plastic is shaped into bottle blank by the injection molding machine body 1, and after the bottle blank is discharged from the injection molding machine body 1, it rolls down on the discharge plate 2, enters the hollow part of the cylindrical shell 4 and is located between adjacent partitions 7 through the feeding port 4-2 opened on the cylindrical shell 4, the motor 5 arranged on the top of the cylindrical shell 4 is started, the rotating shaft 6 connected with the output shaft of the motor 5 is rotated, and the rotating shaft 6 drives the connected multiple partitions 7 to rotate (as shown in the figure) Figure 2As shown, the discharge port 11 is arranged on the side below the feeding port 4-2, the motor 5 drives the rotating shaft 6 and the plurality of partitions 7 to rotate counterclockwise, the plurality of partitions 7 drive the bottle blank rolled off the discharge plate 2 to move in the cylindrical shell 4, and the cooling air cools the bottle blank in the cylindrical shell 4, when the partitions 7 move the bottle blank to the discharge port 11, the cooled bottle blank falls out of the discharge port 11; the plurality of partitions 7 drive the bottle blank rolled off the discharge plate 2 to slowly move in the cylindrical shell 4, and the cooling air blown out of the plurality of first air vents 8 on the bottom and side inner wall of the cylindrical shell 4 cools the bottle blank, which can effectively prevent the bottle blank from accumulating during the cooling process, thereby increasing the contact area of the bottle blank with the cooling air during cooling, making the cooling more thorough and improving the cooling efficiency.
[0020] There is a possibility of implementation, the two sides of the discharge plate 2 are provided with a pair of side baffles 3, and the pair of side baffles 3 prevent the bottle blank from falling to the outside when rolling off the discharge plate 2.
[0021] There is a possibility of implementation, the bottom of the cylindrical shell 4 and the discharge plate 2 are provided with supporting legs, and the plurality of supporting legs support the cylindrical shell 4 and the discharge plate 2.
[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bottle preform cooling device for an injection molding machine, comprising an injection molding machine body (1) and a hollow-structured cylindrical housing (4), characterized in that, The cylindrical shell (4) is provided with a feeding port (4-2), and the bottle blank outlet of the injection molding machine body (1) is obliquely provided with a discharging plate (2) between the feeding port (4-2) of the cylindrical shell (4). The top of the cylindrical shell (4) is provided with a motor (5), the output shaft of the motor (5) penetrates the top wall of the cylindrical shell (4) and is connected with a rotating shaft (6) at the end, a plurality of partition plates (7) are equidistantly arranged on the rotating shaft (6) in the circumferential direction, the bottom wall and the side wall of the cylindrical shell (4) are both provided with a ventilation cavity (4-1), the bottom of the cylindrical shell (4) is provided with an air inlet pipe (10) in communication with the ventilation cavity (4-1), the air inlet pipe (10) is connected with an external air supply device, a plurality of first ventilation holes (8) are arranged on the inner walls of the bottom and the side of the cylindrical shell (4), a plurality of second ventilation holes (9) are arranged on the top of the cylindrical shell (4), and a fan-shaped discharging port (11) is arranged on the bottom of the cylindrical shell (4) and on one side of the feeding port (4-2).
2. A bottle preform cooling device for an injection molding machine according to claim 1, characterized by A pair of side baffles (3) are arranged on both sides of the discharging plate (2).
3. A bottle preform cooling device for an injection molding machine according to claim 1, wherein The bottom of the cylindrical shell (4) and the discharging plate (2) are both provided with a plurality of supporting legs.