Shaping and cooling device for injection blow molding plastic product

Abstract

The utility model discloses a shaping and cooling device for injection blow molding plastic products, which comprises a rack and at least one shaping and cooling unit arranged on the rack, the shaping and cooling unit comprises a shaping and cooling mold, at least one shaping and cooling cavity is arranged in the shaping and cooling mold, a mold core sliding bottom plate is movably arranged on the rack, and the mold core sliding bottom plate is arranged on the rack. A sizing core seat is movably arranged on the core sliding bottom plate, a corresponding sizing core is arranged on the sizing core seat, blowing channels are arranged in the sizing core seat and the corresponding sizing core, a sizing core lifting driving device is arranged on the core sliding bottom plate, the sizing core lifting driving device is connected with the sizing core seat, and the blowing channels are connected with the sizing core seat. A mold core sliding bottom plate translation driving device for moving the sizing mold core away from the upper part of the shaping and cooling mold is also arranged on the rack; and the mold core sliding bottom plate translation driving device is connected with the mold core sliding bottom plate. The shaping and cooling device disclosed by the utility model can be widely applied to subsequent shaping and cooling treatment of injection-blow molded plastic products.

Description

Technical Field

[0001] The utility model relates to a shaping and cooling device, in particular to a shaping and cooling device for injection-blow molding plastic products. Background Art

[0002] At present, after the injection-blow molding machines such as three-station injection-blow molding equipment produce plastic bottles, the plastic bottles are generally cooled naturally after demoulding, and there is no subsequent shaping and cooling process. However, in the actual production process, since the temperature of the plastic bottles at the demoulding station is still relatively high, during the natural cooling to room temperature, the plastic bottles will shrink and deform, and cannot meet the use requirements. Therefore, the deformation of the plastic bottles can usually only be reduced by extending the blowing cooling time at the blow molding station, but this will seriously affect the production efficiency of the plastic bottles. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a shaping and cooling device for injection blow molded plastic products for shaping and cooling injection blow molded plastic products, so as to improve the dimensional accuracy and roundness of the injection blow molded plastic products and improve the production efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a shaping cooling device for injection blow molded plastic products, comprising: a frame, on which at least one shaping cooling unit is arranged, the shaping cooling unit comprises: a shaping cooling mold arranged on the frame, in which at least one shaping cooling cavity matching the injection blow molded plastic product is arranged, a core sliding bottom plate which can be horizontally moved is movably arranged on the frame above the shaping cooling mold, and a fixed plate which can be moved up and down is movably arranged on the core sliding bottom plate A sizing core seat is provided on the sizing core seat with a sizing core corresponding to the shaping cooling cavity in the shaping cooling mold, and a blowing channel is provided in the sizing core seat and the corresponding sizing core. A sizing core lifting drive device is provided on the core sliding bottom plate, and a driving rod of the sizing core lifting drive device is connected to the sizing core seat. A core sliding bottom plate translation drive device for moving the sizing core away from the top of the shaping cooling mold is also provided on the frame, and a driving rod of the core sliding bottom plate translation drive device is connected to the core sliding bottom plate.

[0005] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, a stripping plate is sleeved on the sizing core.

[0006] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, sizing cooling channels are provided in the sizing core seat and the corresponding sizing core.

[0007] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, a shaping cooling channel is provided in the shaping cooling mold.

[0008] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, a conveyor belt is provided on one side of the shaping and cooling mold and below the sizing core seat.

[0009] As a preferred embodiment, in the shaping and cooling device for injection blow molded plastic products, the specific arrangement of the sizing core seat is as follows: a lifting and mounting base plate is arranged on the driving rod of the sizing core lifting and lowering driving device, the sizing core seat is arranged on the lifting and mounting base plate, at least two mutually parallel guide rods are arranged upward on the lifting and lowering base plate, a guide hole corresponding to the guide rod is opened on the core sliding base plate, and the guide rod is movably inserted into the corresponding guide hole on the core sliding base plate.

[0010] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, a connecting plate for connecting the guide rods is provided at the top end of the guide rods.

[0011] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, the shaping and cooling mold is arranged on the frame through a shaping and cooling mold mounting base plate.

[0012] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, a docking station is provided on the frame, and a pair of shaping and cooling units arranged on both sides of the docking station are provided on the frame.

[0013] As a preferred solution, in the shaping and cooling device for injection blow molded plastic products, the core sliding bottom plate translation drive device and the sizing core lifting drive device are both cylinders.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model places the blow-molded and demoulded injection-blow-molded plastic products in the shaping cooling cavity in the shaping cooling mold, and then shapes and cools them through the sizing core and blowing. In this way, there is no need to extend the blowing time in the blow molding station, thereby improving the production efficiency of the injection-blow machine.

[0016] 2. The utility model accelerates the cooling of the injection-blow molded plastic product and shortens the cooling time by arranging cooling channels in the sizing core and the shaping cooling mold to ensure that the shaping cooling is completed within the injection-blow cycle of the injection-blow machine device.

[0017] 3. The utility model provides a conveyor belt on one side of the shaping and cooling mold and below the sizing core seat, so that the plastic products after shaping and cooling are directly sent out by the conveyor belt, thereby realizing automatic collection of plastic products and greatly reducing labor intensity.

[0018] 4. The utility model provides guide rods on the lifting installation bottom plate and corresponding guide holes on the core sliding bottom plate, so that the lifting and lowering of the sizing core is more stable.

[0019] 5. The utility model sets a docking station and sets a shaping and cooling unit on both sides of the docking station to jointly shape and cool the injection-blow molded plastic products, so as to ensure that the shaping and cooling are completed within the injection-blow cycle of the injection-blow machine, thereby further improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the shaping cooling device of the utility model in the front view direction.

[0021] Figures 2 to 4 It is a cross-sectional view of the shaping cooling device of the utility model in the side view direction.

[0022] Figure 5 It is a cross-sectional view in the front view direction of a shaping cooling device having two shaping cooling units.

[0023] Figures 1 to 5 The reference numerals in the drawings are: 1, frame, 10, core sliding bottom plate, 21, sizing core lifting cylinder, 22, core sliding bottom plate translation cylinder, 3, lifting mounting bottom plate, 30, connecting plate, 31, guide rod, 4, sizing core seat, 41, sizing cooling channel, 42, blowing channel, 5, stripping plate, 6, sizing core, 7, shaping cooling mold, 70, shaping cooling mold mounting bottom plate, 701, shaping cooling cavity, 702, shaping cooling channel, 8, conveyor belt, 9, injection blow molding plastic bottle. DETAILED DESCRIPTION

[0024] In conjunction with the accompanying drawings, a specific implementation scheme of a shaping and cooling device for injection-blow-molded plastic products according to the present invention will be described in detail by taking an injection-blow-molded plastic bottle as an example.

[0025] Embodiment 1:

[0026] like Figures 1 to 4As shown, the first shaping cooling device for injection blow molded plastic products described in the utility model comprises: a frame 1, a shaping cooling unit is arranged on the frame 1, and the specific structure of the shaping cooling unit comprises: a shaping cooling mold mounting base plate 70 arranged on the frame 1, a shaping cooling mold 7 is arranged on the shaping cooling mold mounting base plate 70, a group of shaping cooling cavities 701 matching with the injection blow molded plastic bottles 9 are arranged in the shaping cooling mold 7 (the number and arrangement structure of the shaping cooling cavities 701 are usually adapted to the injection blow machine), and a shaping cooling channel 702 is arranged in the shaping cooling mold 7 (it belongs to the conventional technology in this field, The frame 1 is provided with a core sliding bottom plate 10 which can be moved horizontally above the shaping cooling mold 7, and a sizing core seat 4 which can be moved up and down is provided on the core sliding bottom plate 10, and a sizing core seat 4 is provided with a sizing core 6 which corresponds to the shaping cooling cavity 701 in the shaping cooling mold 7, and a stripping plate 5 is sleeved on the sizing core 6 (which belongs to the conventional technology in this field and is not described in detail here), and a sizing cooling channel 41 and a blowing channel 42 are respectively provided in the sizing core seat 4 and the corresponding sizing core 6 (which belongs to the conventional technology in this field and is not described in detail here). ); the specific arrangement of the sizing core seat 4 is as follows: a sizing core lifting cylinder 21 (which belongs to the conventional technology in this field and will not be described in detail here) is arranged on the core sliding bottom plate 10 as a sizing core lifting drive device, and a lifting installation bottom plate 3 is arranged on the piston rod of the sizing core lifting cylinder 21 as a driving rod of the sizing core lifting drive device, and the sizing core seat 4 is arranged on the lifting installation bottom plate 3, and at least two mutually parallel guide rods 31 are arranged upward on the lifting installation bottom plate 3, and a guide hole corresponding to the guide rod 31 is opened on the core sliding bottom plate 10, and the guide rod 31 The core sliding bottom plate 10 is movably inserted into the corresponding guide hole on the core sliding bottom plate 10, and the top end of the guide rod 31 is provided with a connecting plate 30 connecting the guide rod 31; the frame 1 is also provided with a core sliding bottom plate translation cylinder 22 as a core sliding bottom plate translation drive device for moving the sizing core 6 away from the top of the shaping cooling mold 7, and the piston rod of the core sliding bottom plate translation cylinder 22 is connected to the core sliding bottom plate 10; the frame is provided with a conveyor belt 8 for transferring the injection blow molded plastic bottles 9 on one side of the shaping cooling mold 7 and below the sizing core seat 4 (it belongs to the conventional technology in this field and will not be described in detail here).

[0027] Embodiment 2:

[0028] like Figure 5As shown, another shaping and cooling device for injection blow molded plastic products described in the utility model comprises: a frame 1, on which two shaping and cooling stations I and II are arranged, and between the two shaping and cooling stations I and II, a docking station III for alternately connecting injection blow molded plastic bottles 9 produced by the injection blow machine is arranged, and the shaping and cooling stations I and II are respectively provided with shaping and cooling units with the same structure as that of Example 1 (which belongs to the conventional technology in the field and will not be described in detail here).

[0029] In practical application, the shaping and cooling cavity 701 can be an integrated structure; or a split structure, that is, the shaping and cooling mold 7 is composed of two openable and closable half molds.

[0030] The working principle of the utility model is as follows: first, the core sliding bottom plate 10 moves backward into position, and the injection-blow-molded plastic bottle 9 taken off the injection-blow machine enters the shaping cooling cavity 701 in the shaping cooling mold 7, then, the core sliding bottom plate 10 moves forward into position, then, the sizing core 6 descends into position, and compressed air enters the injection-blow-molded plastic bottle 9 through the blowing channel 42 and remains there for a certain time, after the time is up, the sizing core 6 moves upward into position with the injection-blow-molded plastic bottle 9, and after the core sliding bottom plate 10 moves backward into position, the injection-blow-molded plastic bottle 9 taken off the injection-blow machine enters the shaping cooling cavity 701 in the shaping cooling mold 7 again, at the same time, the stripping plate 5 takes the injection-blow-molded plastic bottle 9 off onto the conveyor belt 8, and the core sliding bottom plate 10 moves forward for the next round of action, and at the same time, the injection-blow-molded plastic bottle 9 moved onto the conveyor belt 8 is conveyed out, and this cycle repeats.

[0031] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. All equivalent changes and modifications made to the shape, structure, characteristics and spirit described in the scope of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A shaping and cooling device for injection blow molded plastic products, comprising: The frame is characterized in that at least one shaping cooling unit is arranged on the frame, and the shaping cooling unit comprises: a shaping cooling mold arranged on the frame, and at least one shaping cooling cavity matching the injection blow molded plastic product is arranged in the shaping cooling mold, and a core sliding bottom plate that can be horizontally moved is movably arranged on the frame above the shaping cooling mold, and a sizing core seat that can be moved up and down is movably arranged on the core sliding bottom plate, and a sizing core corresponding to the shaping cooling cavity in the shaping cooling mold is arranged on the sizing core seat, and a blowing channel is arranged in the sizing core seat and the corresponding sizing core, and a sizing core lifting drive device is arranged on the core sliding bottom plate, and a driving rod of the sizing core lifting drive device is connected to the sizing core seat, and a core sliding bottom plate translation drive device for moving the sizing core away from above the shaping cooling mold is also arranged on the frame, and a driving rod of the core sliding bottom plate translation drive device is connected to the core sliding bottom plate.

2. A shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: The sizing core is sleeved with a stripping plate.

3. The shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: The sizing core seat and the corresponding sizing core are provided with sizing cooling channels.

4. The shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: A shaping cooling channel is arranged in the shaping cooling die.

5. The shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: A conveyor belt is arranged on one side of the shaping cooling mold and below the sizing core seat.

6. A shaping and cooling device for injection blow molded plastic products according to claim 5, characterized in that: The specific setting method of the sizing core seat is: a lifting and lowering mounting base plate is arranged on the driving rod of the sizing core lifting and lowering driving device, the sizing core seat is arranged on the lifting and lowering mounting base plate, at least two mutually parallel guide rods are arranged upward on the lifting and lowering mounting base plate, and guide holes corresponding to the guide rods are opened on the core sliding base plate, and the guide rods are movably inserted into the corresponding guide holes on the core sliding base plate.

7. A shaping and cooling device for injection blow molded plastic products according to claim 6, characterized in that: The top end of the guide rod is provided with a connecting plate for connecting the guide rod.

8. The shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: The shaping cooling mold is arranged on the frame through a shaping cooling mold mounting bottom plate.

9. The shaping and cooling device for injection blow molded plastic products according to claim 1, characterized in that: The rack is provided with a docking station, and the rack is provided with a pair of shaping cooling units arranged on both sides of the docking station.

10. A shaping and cooling device for injection blow molded plastic products according to any one of claims 1 to 9, characterized in that: The core sliding bottom plate translation driving device and the sizing core lifting driving device are both cylinders.

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