Auxiliary cooling device for plastic bottle blank forming
By using a spherical top column and a staggered air distribution duct structure in the auxiliary cooling device for plastic preform molding, the problem of uneven preform cooling was solved, achieving uniform cooling and convenient operation, and reducing the defect rate.
Patent Information
- Application Number
- CN202520136389.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing cooling equipment results in uneven cooling at the bottom of the plastic preform, leading to deformation and increasing the defect rate.
A cooling auxiliary device for plastic preform molding was designed. It adopts a spherical top column and staggered air duct structure, combined with the first and second blowers, to ensure that the cooling air is evenly blown to the bottom and surface of the preform. The device is conveniently installed with pull rods and positioning columns.
Uniform cooling of plastic preforms was achieved, reducing the defect rate and improving the convenience of the cooling device.
Smart Images
Figure CN223750184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cooling forming technical field especially relates to a kind of plastic bottle embryo forming auxiliary cooling device. BACKGROUND
[0002] Plastic bottle embryo refers to the plastic product without processing, only with preliminary shape, without the function of finished product bottle, which is made in the plastic bottle production and processing process, and the bottle embryo is cooled after injection molding, because it has high temperature, overall hardness is soft, and is prone to deformation, therefore, in order to form shaping operation, it is generally cooled to speed up its hardening speed, and then achieve the effect of setting.
[0003] However, some devices using low-temperature airflow for cooling are found to be difficult to contact with the bottom of the bottle embryo when in use, because the bottle embryo is usually placed on the bearing plate, and its bottom is in direct contact with the bearing tool, which leads to uneven cooling, and may cause slight deformation of the bottle embryo, and thus increases the rate of defective products in the production process of the bottle embryo.
[0004] Therefore, it is necessary to provide a new plastic bottle embryo forming auxiliary cooling device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem to provide a kind of plastic bottle embryo forming auxiliary cooling device that can form uniform cooling to bottle embryo, reduce the rate of defective products.
[0006] To solve the above technical problems, the utility model provides a plastic bottle embryo forming auxiliary cooling device includes: cooling cabinet, be equipped with two cooling cavities in the cooling cabinet, two cooling cavities are equipped with the placing plate in, the top of two placing plates is all set up with a plurality of placing grooves, the bottom inner wall of a plurality of placing grooves is all fixedly installed with three annular array distribution's spherical top column, the bottom inner wall of a plurality of placing grooves is all set up with four annular array distribution's ventilation hole, the top of cooling cabinet is fixedly installed with cold -blast machine, the air outlet port of cold -blast machine is fixedly installed with the air guide main pipe, the air guide main pipe is fixedly installed with two first air distribution pipe and two second air distribution pipe, two first air distribution pipe and two second air distribution pipe staggered distribution, and the end of two first air distribution pipe respectively extends to two cooling cavities, and the end of two second air distribution pipe respectively extends to two cooling cavities, the placing plate is located between corresponding first air distribution pipe and second air distribution pipe, the bottom of two first air distribution pipe is all fixedly installed with a plurality of first air -blowing head, a plurality of first air -blowing head respectively with a plurality of placing groove corresponds, and the top of two second air distribution pipe is all fixedly installed with a plurality of second air -blowing head, a plurality of second air -blowing head all with corresponding placing plate's bottom contact, and a plurality of second air -blowing head respectively with a plurality of placing groove corresponds.
[0007] Preferably, the two sides of the two cooling cavities are fixedly installed with connecting seats, the four connecting seats are all provided with insertion slots, the two sides of the two placing plates are respectively fixedly installed with first insertion valves and second insertion valves, and the two first insertion valves and the two second insertion valves are respectively inserted into the four insertion slots.
[0008] Preferably, the top of the two second insertion valves is provided with a vertical sinking groove, a sealing box is fixedly installed on one side of the cooling cabinet, the sealing box is provided with a pull rod, the top end and the bottom end of the pull rod extend above and below the sealing box respectively, and the pull rod is in sliding sealing connection with the sealing box, two link arms are fixedly installed on the pull rod, one side of the two link arms extends into the two cooling cavities and is in sliding connection with one side of the cooling cabinet, a clamping column is fixedly installed on the bottom of each link arm, the bottom end of the two clamping columns extends into the two vertical sinking grooves respectively, and the two clamping columns are in sliding connection with the top of the corresponding connecting seat, a round baffle is fixedly installed on the bottom end of the pull rod, a return spring is sleeved on the pull rod, the top end of the return spring is fixedly connected with the sealing box, and the bottom end of the return spring is fixedly connected with the round baffle.
[0009] Preferably, one side of the cooling cabinet is provided with a cabinet door, and the cabinet door is provided with a transparent observation window.
[0010] Preferably, the top end of the pull rod is fixedly installed with a pull ring.
[0011] Preferably, two vertical slides are formed on one side of the cooling cabinet, the two connection arms respectively penetrate the two vertical slides, and the two connection arms respectively contact the inner walls of the two sides of the two vertical slides.
[0012] Preferably, two through holes are formed on one side of the cooling cabinet, the two through holes are respectively connected with the two cooling cavities, and a one-way pressure relief valve is fixedly installed in each of the two through holes.
[0013] Compared with the related art, the plastic bottle embryo forming auxiliary cooling device has the following beneficial effects:
[0014] The plastic bottle embryo forming auxiliary cooling device is characterized in that a spherical top column is arranged in the placing groove, so that the bottom of the bottle embryo is basically in a hollow state when the bottle embryo is placed, the cooling air can be smoothly blown to the bottom of the bottle embryo through the ventilation hole and the second blowing head, and the cooling work on the bottle embryo is more comprehensive by cooperating with the cooling air blown by the first blowing head, so that the defective rate is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The figure is a structural schematic view of a preferred embodiment of the plastic bottle embryo forming auxiliary cooling device provided by the utility model;
[0016] Figure 2 The figure is a structural schematic view of the internal structure of the cooling cabinet 1 in the utility model;
[0017] Figure 3 The figure is a structural schematic view of the opening of the insertion groove in the utility model;
[0018] Figure 4 The figure is a structural schematic view of the assembly of the two placing plates in the utility model;
[0019] Figure 5 The figure is a structural schematic view of the placing plate in the utility model from the top;
[0020] Figure 6 The figure is a structural schematic view of the placing plate in the utility model from the front view;
[0021] Figure 7 The figure is a structural schematic view of the insertion groove in the utility model from the top;
[0022] The figure mark: 1, cooling cabinet; 2, cooling cavity; 3, placing plate; 4, placing groove; 5, spherical top column; 6, ventilation hole; 7, cold air machine; 8, air guide main pipe; 9, first air distribution pipe; 10, first air blowing head; 11, second air distribution pipe; 12, second air blowing head; 13, connecting seat; 14, insertion slot; 15, first insertion valve; 16, second insertion valve; 17, vertical sinking groove; 18, sealing box; 19, pull rod; 20, connecting arm; 21, clamping column; 22, round baffle; 23, return spring. DETAILED DESCRIPTION
[0023] The utility model will be further explained in connection with the drawings and embodiments.
[0024] Please refer to Figures 1-7 The plastic bottle embryo forming auxiliary cooling device includes a cooling cabinet 1, the cooling cabinet 1 includes a cabinet door, and a transparent observation window is arranged on the cabinet door, which facilitates the observation of the cooling condition in the interior, two cooling cavities 2 are arranged in the cooling cabinet 1, placing plates 3 are arranged in the two cooling cavities 2, and a plurality of placing grooves 4 are formed in the top of the two placing plates 3 to place the bottle blank to be cooled, three spherical top columns 5 in annular array are fixedly installed on the bottom inner wall of the plurality of placing grooves 4, when the bottle embryo is placed in the placing groove 4, the bottom is in contact with the top end of the spherical top column 5, and the contact area between the spherical end of the spherical top column 5 and the bottle embryo is extremely small, so that the bottle embryo can be lifted to ensure the entry of cooling air, four ventilation holes 6 in annular array are formed in the bottom inner wall of the plurality of placing grooves 4, a cold air machine 7 is fixedly installed on the top of the cooling cabinet 1, an air guide main pipe 8 is fixedly installed on the air outlet port of the cold air machine 7, two first air distribution pipes 9 and two second air distribution pipes 11 are fixedly installed on the air guide main pipe 8, the two first air distribution pipes 9 and the two second air distribution pipes 11 are staggered, the ends of the two first air distribution pipes 9 extend into the two cooling cavities 2 respectively, the ends of the two second air distribution pipes 11 extend into the two cooling cavities 2 respectively, the placing plate 3 is located between the corresponding first air distribution pipe 9 and second air distribution pipe 11, a plurality of first air blowing heads 10 are fixedly installed on the bottom of the two first air distribution pipes 9, the plurality of first air blowing heads 10 correspond to the plurality of placing grooves 4 respectively, a plurality of second air blowing heads 12 are fixedly installed on the top of the two second air distribution pipes 11, the plurality of second air blowing heads 12 are in contact with the bottom of the corresponding placing plate 3, and the plurality of second air blowing heads 12 correspond to the plurality of placing grooves 4 respectively, the cooling air is discharged into the two cooling cavities 2 through the first air blowing head 10, and the second air blowing head 12 can transmit the cooling air into the placing groove 4 to directly contact the bottom of the bottle embryo, so that the bottle embryo can be cooled more comprehensively.
[0025] And in the above manner, in order to facilitate the disassembly and placement plate 3, both sides of the two cooling cavity 2 wall are fixedly installed with connecting seat 13, four connecting seat 13 are provided with the insertion slot 14, two placement plate 3 are fixedly installed with first insertion valve 15 and second insertion valve 16 respectively, two first insertion valve 15 and two second insertion valve 16 are inserted into four insertion slots 14, and, the top of two second insertion valve 16 is provided with vertical sink 17, the outer wall of one side of cooling cabinet 1 is fixedly installed with sealing box 18, which is provided with pull rod 19, the top end and bottom end of pull rod 19 extend above and below sealing box 18 respectively, and pull rod 19 is slidably connected with sealing box 18, two link arms 20 are fixedly installed on pull rod 19, one side of two link arms 20 extends into two cooling cavities 2 and is slidably connected with one side of cooling cabinet 1, and the bottom of each link arm 20 is fixedly installed with clamping post 21, the bottom end of two clamping posts 21 extends into two vertical sinks 17, so that the placement plate 3 can be reliably limited in the cooling cavity 2, in addition, two clamping posts 21 are slidably connected with the top of the corresponding connecting seat 13, the bottom end of pull rod 19 is fixedly installed with a round baffle 22, pull rod 19 is provided with a return spring 23, the top end of return spring 23 is fixedly connected with sealing box 18, and the bottom end is fixedly connected with round baffle 22, and a pull ring is fixedly installed on the top end of pull rod 19, so that the clamping post 21 can be pulled out of the vertical sink 17 by pulling the pull ring, and the placement plate 3 can be taken out.
[0026] In the present manner, in order to make the link arm 20 only linearly lift, two vertical slides are formed on one side of the cooling cabinet 1, and the two link arms 20 respectively penetrate the two vertical slides, and the two link arms 20 respectively contact the two sides of the vertical slides.
[0027] In the present manner, in order to ensure that the air pressure in the cooling cabinet 1 is stable, two through holes are formed on one side of the cooling cabinet 1, the two through holes are respectively communicated with the two cooling cavities 2, and a one-way pressure relief valve is fixedly installed in each of the two through holes.
[0028] The working principle of the plastic bottle embryo forming auxiliary cooling device is as follows:
[0029] When the bottle embryo needs to be cooled, first open the door, and pull the pull ring upwards, so that the pull rod 19 is lifted, thereby lifting the two link arms 20 and the clamping post 21, and finally lifting the clamping post 21 out of the vertical sink 17, then pulling out the two placement plates 3 from the cooling cabinet 1, at this time the return spring 23 is in a compressed state;
[0030] Then, the bottle embryo to be cooled is placed in the corresponding placing groove 4 in turn, and the bottom of the bottle embryo is in contact with the spherical top column 5, after the bottle embryo to be cooled is placed, the first plug valve 15 and the second plug valve 16 on the two placing plates 3 are respectively inserted into the corresponding plug grooves 14, after being inserted into position, the pull ring is loosened, the compressed reset spring 23 starts to pull back, so that the two clamping columns 21 are brought into the corresponding vertical sinking grooves 17 again;
[0031] Then, the bottle embryo to be cooled is placed in the corresponding placing groove 4 in turn, and the bottom of the bottle embryo is in contact with the spherical top column 5, after the bottle embryo to be cooled is placed, the first plug valve 15 and the second plug valve 16 on the two placing plates 3 are respectively inserted into the corresponding plug grooves 14, after being inserted into position, the pull ring is loosened, the compressed reset spring 23 starts to pull back, so that the two clamping columns 21 are brought into the corresponding vertical sinking grooves 17 again;
[0032] During the cooling process, the cooling condition in the cooling cabinet 1 can be observed through the transparent observation window on the cabinet door, and after the cooling is completed, the placing plate 3 is taken out again, so that the cooled bottle embryo can be taken out.
[0033] Compared with the related art, the plastic bottle embryo forming auxiliary cooling device has the following beneficial effects:
[0034] The plastic bottle embryo forming auxiliary cooling device is characterized in that the spherical top column 5 is arranged in the placing groove 4, so that the bottom of the bottle embryo is basically in a hollow state during placement, the cooling air can be smoothly blown to the bottom of the bottle embryo through the ventilation hole 6 and the second blowing head 12, and the bottle embryo can be subjected to comprehensive cooling work by the cooling air blown by the first blowing head 10, so that the defective rate is reduced.
[0035] The above-mentioned embodiments are merely examples of the utility model, and do not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A plastic bottle preform forming auxiliary cooling device comprising a cooling cabinet, characterized in that, The cooling cabinet is internally provided with two cooling cavities, both of which are internally provided with placing plates, the top of each of the placing plates is provided with a plurality of placing grooves, the bottom inner wall of each of the placing grooves is fixedly installed with three spherical top columns arranged in a ring array, the bottom inner wall of each of the placing grooves is provided with four ventilation holes arranged in a ring array, the top of the cooling cabinet is fixedly installed with a cooling fan, the air outlet port of the cooling fan is fixedly installed with a wind guide main pipe, the wind guide main pipe is fixedly installed with two first air distribution pipes and two second air distribution pipes, the two first air distribution pipes and the two second air distribution pipes are staggered, the ends of the two first air distribution pipes extend into the two cooling cavities respectively, the ends of the two second air distribution pipes extend into the two cooling cavities respectively, the placing plates are located between the corresponding first air distribution pipes and second air distribution pipes, the bottom of each of the two first air distribution pipes is fixedly installed with a plurality of first air blow heads, each of the first air blow heads corresponds to a placing groove, the top of each of the two second air distribution pipes is fixedly installed with a plurality of second air blow heads, each of the second air blow heads is in contact with the bottom of the corresponding placing plate, and each of the second air blow heads corresponds to a placing groove.
2. The apparatus for assisting cooling of a plastic preform according to claim 1, wherein The inner walls on both sides of the two cooling cavities are fixedly installed with connecting seats, the connecting seats are provided with insertion grooves, the two sides of each of the placing plates are fixedly installed with first insertion valves and second insertion valves, the two first insertion valves and the two second insertion valves are inserted into the four insertion grooves respectively.
3. The apparatus for assisting cooling of a plastic preform according to claim 2, wherein The top of each of the two second insertion valves is provided with a vertical sinking groove, one side of the outer wall of the cooling cabinet is fixedly installed with a sealing box, the sealing box is internally provided with a pull rod, the top end and the bottom end of the pull rod extend above and below the sealing box respectively, the pull rod is in sliding sealing connection with the sealing box, the pull rod is fixedly installed with two link arms, one side of each of the link arms extends into the cooling cavity and is in sliding connection with one side of the cooling cabinet, the bottom of each of the link arms is fixedly installed with a clamping column, the bottom end of each of the clamping columns extends into the vertical sinking groove, and each of the clamping columns is in sliding connection with the top of the corresponding connecting seat, the bottom end of the pull rod is fixedly installed with a circular baffle, the pull rod is sleeved with a return spring, the top end of the return spring is fixedly connected with the sealing box, and the bottom end of the return spring is fixedly connected with the circular baffle.
4. The apparatus for assisting cooling of a plastic preform according to claim 1, wherein One side of the cooling cabinet is provided with a cabinet door, and the cabinet door is provided with a transparent observation window.
5. The apparatus for assisting cooling of a plastic preform according to claim 3, wherein The top end of the pull rod is fixedly installed with a pull ring.
6. The apparatus for assisting cooling of a plastic preform according to claim 3, wherein One side of the cooling cabinet is provided with two vertical sliding channels, the two link arms respectively penetrate through the two vertical sliding channels, and the two link arms are in contact with the inner walls of the two vertical sliding channels respectively.
7. The apparatus for assisting cooling of a plastic preform according to claim 1, wherein One side of the cooling cabinet is provided with two through holes, the two through holes are respectively connected with the two cooling cavities, and each of the through holes is fixedly installed with a one-way pressure relief valve.