Handle bottle preform heating device

By designing a rotating and clamping structure for the heating device, the problem of uneven heating during the preform heating process was solved, achieving uniform heating of the preform, preventing deformation, and improving the blow molding quality.

CN223777767UActive Publication Date: 2026-01-09MEISHAN ZIJIANG PACKAGING CO LTD
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Patent Information

Application Number
CN202520315478.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-09
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

In existing technologies, uneven heating of the preform during the heating process can lead to deformation and affect subsequent blow molding processes.

Method used

A heating device was designed, which includes components such as a heating box, a hot air blower, an air distribution pipe, an air nozzle, a sealing disc, and a bidirectional screw. By rotating and clamping the bottom of the preform, the device ensures that the preform is heated evenly.

Benefits of technology

This achieves uniform heating of the preform, prevents deformation, and improves the quality of subsequent blow molding.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223777767U_ABST
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Abstract

The utility model provides a heating device for a bottle preform with a handle. Relates to the technical field of bottle preform heating. The handle bottle preform heating device comprises a bearing plate and a heating box fixedly mounted on one side of the bearing plate, an opening is formed in the bottom of the heating box, an air heater is fixedly mounted at the top of the heating box, an air distribution pipe is arranged in the heating box, one end of an air inducing pipe is fixedly mounted on an air outlet of the air heater, and the other end of the air inducing pipe is fixedly connected with the bearing plate. The other end of the air inducing pipe extends into the heating box and is fixedly connected with the air distributing pipe, the air inducing pipe is fixedly connected with the top of the heating box, a plurality of air spraying nozzles are fixedly installed on the air distributing pipe, a placing table is arranged in the heating box, a movable round opening is formed in the side, away from the bearing plate, of the heating box, and the movable round opening is communicated with the placing table. And a [-shaped bracket is fixedly mounted on the outer wall of one side, far away from the bearing plate, of the heating box. The device can ensure that the whole bottle preform is uniformly heated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bottle embryo heating technical field especially, relate to a handle bottle embryo's heating device. BACKGROUND

[0002] Bottle embryo is the semi-finished product through injection processing, is the intermediate product of plastic bottle and so on container, and handle bottle embryo is to set up handle on ordinary bottle embryo, is the common plastic bottle category at present stage, and this handle bottle embryo is plastic product mostly, through the plastic raw material injection to mould, after forming, the bottle embryo has formed, then carries out blow molding to bottle embryo, finally forms plastic bottle finished product, and after the bottle embryo production, in order to make it soften easily blow forming, generally carries out heating treatment, utilizes higher temperature to make its hardness soften down, to facilitate subsequent blow forming processing.

[0003] At present, the common heating mode is to directly put bottle embryo into heating chamber to carry out hot air heating or electric heating, but in any kind of heating mode, bottle embryo is placed on the placing table, and its bottom contacts with the placing table, to cause the uneven heating of the contact part of bottle embryo, even not heated, and then appear the deformation condition, influence the subsequent blow work.

[0004] Therefore, it is necessary to provide a new handle bottle embryo heating device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model is to provide a kind of handle bottle embryo heating device that can guarantee that bottle embryo is heated evenly as a whole.

[0006] In order to solve the above technical problems, the utility model provides a handle bottle embryo's heating device includes: bearing plate and fixed installation in bearing plate one side's heating case, the bottom of heating case is equipped with opening, the top of heating case is fixedly installed with hot -blast machine, be equipped with cloth air pipe in heating case, one end of the air outlet of hot -blast machine is fixedly installed with the air pipe of leading, the other end of air pipe of leading extends to cloth air pipe in heating case and is fixedly connected with cloth air pipe, air pipe of leading and the top of heating case are fixedly connected, fixedly installed with a plurality of spray air nozzles on cloth air pipe, be equipped with the placing table in heating case, the side of heating case away from bearing plate is equipped with movable round mouth, the side of heating case away from bearing plate is fixedly installed on outer wall with the branch support, be equipped with the sealing disc in the branch support, the sealing disc is matched with movable round mouth, the diameter of sealing disc is greater than the inside diameter of movable round mouth, and sealing disc and the side outer wall of heating case away from bearing plate are in contact, one side of sealing disc is fixedly installed with sealed box, the inner wall of one side of branch support away from heating case is rotatably installed with linkage shaft, one end of linkage shaft is fixedly connected with sealed box, rotatably installed with two -way screw rod in sealed box, two connection sheets are screw -threaded installed on two -way screw rod, two connection sheets are close to the side of bearing plate and extend to heating case in, and two connection sheets all are penetrated sealing disc and are slidably connected with sealing disc, two connection sheets all are penetrated movable round mouth, two connection sheets are close to the side of bearing plate and are fixedly installed with mesh clamping plate, mesh clamping plate is located above placing table.

[0007] Preferably, the top of the heating case is provided with two air vents.

[0008] Preferably, the bottom of the heating case is provided with a bottom sealing plate, the bottom of the bottom sealing plate is fixedly installed with a U-shaped support, the bottom of the U-shaped support is fixedly installed with a telescopic air cylinder, the output shaft of the telescopic air cylinder extends into the U-shaped support and is movably connected with the bottom of the U-shaped support, the output shaft of the telescopic air cylinder is fixedly installed with a connecting rod, the top end of the connecting rod extends into the heating case and is fixedly connected with the placing table, and the connecting rod penetrates the bottom sealing plate and is slidably connected with the bottom sealing plate.

[0009] Preferably, the side of the bearing plate away from the U-shaped support is fixedly installed with a folding plate, the folding plate is fixedly installed with a rodless air cylinder, the slider of the rodless air cylinder is fixedly installed with a lifting arm, the lifting arm penetrates the bearing plate and is fixedly connected with the U-shaped support, and the lifting arm is slidably connected with the bearing plate.

[0010] Preferably, a long strip sliding opening is formed in the bearing plate, the lifting arm penetrates the long strip sliding opening and is in contact with the inner wall of the long strip sliding opening, and a supporting base is fixedly installed on the bottom of the bearing plate.

[0011] Preferably, a drive motor is fixedly installed on one outer wall of the C-shaped bracket, and the output shaft of the drive motor is fixedly connected to one end of the linkage shaft. A drive motor is fixedly installed on one outer wall of the sealing box, and the output shaft of the drive motor is fixedly connected to one end of the bidirectional screw.

[0012] Preferably, two anti-slip limiting plates are fixedly installed on the top of the placement platform.

[0013] Compared with related technologies, the heating device for handle preforms provided by this utility model has the following advantages:

[0014] This utility model provides a heating device for a handle bottle preform. By setting a heating box and a bottom sealing plate, as well as sealing the movable circular opening with a sealing disc, a heating space can be formed for the handle bottle preform. Furthermore, by rotating the bidirectional screw, the handle bottle preform can be clamped by two mesh clamping plates. Then, by activating the output shaft of the telescopic cylinder to retract, the bottom of the bottle preform can be separated from the placement platform. Then, by rotating the linkage shaft, the bottom of the bottle preform can be rotated to an upward position, so that the bottom of the bottle preform can also receive the most direct heating method, thereby improving the heating uniformity of the handle bottle preform and preventing deformation. Attached Figure Description

[0015] Figure 1 A schematic diagram of a preferred embodiment of the heating device for the handle preform provided by this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the heating box in this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the air duct and the air nozzle in this utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the sealing disc and the sealing box in this utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the sealing box in this utility model;

[0020] Figure 6 This is a schematic diagram of the connection structure between the placement platform and the connecting rod in this utility model.

[0021] Marked number in drawing: 1, load bearing plate; 2, warming box; 3, hot air blower; 4, air duct; 5, cloth air duct; 6, air blowing nozzle; 7, air hole; 8, placing table; 9, movable round opening; 10, U-shaped support; 11, sealing disc; 12, sealing box; 13, linkage shaft; 14, two-way screw rod; 15, connecting sheet; 16, mesh clamping plate; 17, bottom sealing plate; 18, U-shaped support; 19, telescopic air cylinder; 20, connecting rod; 21, rodless air cylinder; 22, lifting arm. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and embodiments.

[0023] Please see Figures 1-6The handle bottle embryo warming device comprises a bearing plate 1 and a warming box 2 fixedly installed on one side of the bearing plate 1, wherein a supporting base is fixedly installed on the bottom of the bearing plate 1 to form stable support, the bottom of the warming box 2 is provided with an opening, a hot air blower 3 is fixedly installed on the top of the warming box 2, a distribution air pipe 5 is arranged in the warming box 2, the outlet of the hot air blower 3 is fixedly connected with the distribution air pipe 5 through an air guide pipe 4, the air guide pipe 4 passes through the top of the warming box 2 and is fixedly connected with the top of the warming box 2, a plurality of air blowing nozzles 6 are fixedly installed on the distribution air pipe 5 to uniformly blow hot air for warming, in addition, two air permeation holes 7 are arranged on the top of the warming box 2 to ensure the flow of air, a placing table 8 is arranged in the warming box 2, two anti-skid limiting plates are fixedly installed on the top of the placing table 8, the handle bottle embryo can be placed on the placing table 8 and prevented from rolling out by the anti-skid limiting plates, an active round opening 9 is arranged on the side of the warming box 2 away from the bearing plate 1, a U-shaped support 10 is fixedly installed on the outer wall of the side of the warming box 2 away from the bearing plate 1, a sealing disc 11 is arranged in the U-shaped support 10, the sealing disc 11 can be matched with the active round opening 9, the diameter of the sealing disc 11 is greater than the inner diameter of the active round opening 9, so that the active round opening 9 can be blocked, the sealing disc 11 is in contact with the outer wall of the side of the warming box 2 away from the bearing plate 1, a sealing box 12 is fixedly installed on one side of the sealing disc 11, a linkage shaft 13 is rotatably installed on the inner wall of the side of the U-shaped support 10 away from the warming box 2, one end of the linkage shaft 13 is fixedly connected with the sealing box 12, a driving motor one is fixedly installed on the outer wall of one side of the U-shaped support 10, the output shaft of the driving motor one is fixedly connected with one end of the linkage shaft 13, a bidirectional screw rod 14 is rotatably installed in the sealing box 12, a driving motor two is fixedly installed on the outer wall of one side of the sealing box 12, the output shaft of the driving motor two is fixedly connected with one end of the bidirectional screw rod 14, two connecting plates 15 are threadedly installed on the bidirectional screw rod 14, the connecting plates 15 close to the bearing plate 1 are extended into the warming box 2, the connecting plates 15 penetrate through the sealing disc 11 and are slidably connected with the sealing disc 11, the connecting plates 15 penetrate through the active round opening 9, meshing clamping plates 16 are fixedly installed on the connecting plates 15 close to the bearing plate 1, and the meshing clamping plates 16 are located above the placing table 8.

[0024] In the above manner, in order to place the handle bottle embryo to be warmed on the placing table 8, the bottom of the warming box 2 is provided with a bottom sealing plate 17, the bottom of the bottom sealing plate 17 is fixedly provided with a U-shaped support 18, the bottom of the U-shaped support 18 is fixedly provided with a telescopic cylinder 19, the output shaft of the telescopic cylinder 19 extends into the U-shaped support 18 and is movably connected with the bottom of the U-shaped support 18, the output shaft of the telescopic cylinder 19 is fixedly provided with a connecting rod 20, the top end of the connecting rod 20 extends into the warming box 2 and is fixedly connected with the placing table 8, and the connecting rod 20 penetrates through the bottom sealing plate 17 and is slidably connected with the bottom sealing plate 17, in addition, the load bearing plate 1 is fixedly provided with a folding plate on the side away from the U-shaped support 18, the folding plate is fixedly provided with a rodless cylinder 21, the sliding block of the rodless cylinder 21 is fixedly provided with a lifting arm 22, the lifting arm 22 penetrates through the load bearing plate 1 and is fixedly connected with the U-shaped support 18, and the lifting arm 22 is slidably connected with the load bearing plate 1.

[0025] In the above manner, in order to realize stable lifting of the lifting arm 22, a long strip sliding opening is formed in the load bearing plate 1, and the lifting arm 22 penetrates through the long strip sliding opening and is in contact with the inner wall of the long strip sliding opening.

[0026] The working principle of the handle bottle embryo warming device is as follows:

[0027] When the handle bottle embryo needs to be warmed, the rodless cylinder 21 is started first, the sliding block thereof brings the lifting arm 22 to descend, and then the U-shaped support 18 and the bottom sealing plate 17 are brought to descend, until the placing table 8 is moved out of the warming box 2 and is lowered to the lowest position, then the handle bottle embryo to be warmed can be placed on the placing table 8 and is between the two anti-skid limiting plates, and when placing, the handle part is placed to be parallel to the front face as much as possible, then the rodless cylinder 21 is started, the sliding block thereof is raised, and finally the bottom sealing plate 17 is brought to the bottom of the warming box 2, then the output shaft of the telescopic cylinder 19 is extended, and the placing table 8 is brought to the warming height;

[0028] Subsequently, the hot air fan 3 is started, and the hot air generated by the hot air fan 3 is introduced into the air distribution pipe 5 through the air guide pipe 4, and then is sprayed out through the air spraying nozzle 6, so that a hot air flow is formed in the heating box 2, and the handle bottle embryo can be heated, after a period of time, the driving motor two is started in the positive direction, the output shaft of the driving motor two drives the bidirectional screw rod 14 to rotate, so that the two connecting plates 15 are close to each other, finally, the handle bottle embryo is clamped by the two mesh clamping plates 16, then the output shaft of the telescopic air cylinder 19 is retracted, so that the placing table 8 is separated from the handle bottle embryo, and the handle bottle embryo is provided with a rotating space, then the driving motor one is started in the positive direction, the output shaft of the driving motor one drives the linkage shaft 13 to rotate, and then the sealing box 12 and the sealing disc 11 can be rotated, at this time, the clamped bottle embryo also rotates, after rotating 180 degrees, the driving motor one is turned off, at this time, the bottom of the bottle embryo is upward, so that the bottom of the bottle embryo can be directly contacted with the hot air flow blown from the upper side, after a period of time, the driving motor one is started in the reverse direction, the bottle embryo is rotated to the original state, the upper half of the bottle embryo is continuously heated, then the driving motor one is started in the positive direction, and the bottle embryo is turned over, and the reciprocating operation is continued until the heating is completed.

[0029] Then, the output shaft of the telescopic air cylinder 19 is extended, the placing table 8 is contacted with the bottoms of the plurality of bottle embryos again, and the placing table 8 supports the bottoms of the plurality of bottle embryos, then the driving motor two is started in the reverse direction, so that the mesh clamping plate 16 is separated from the bottle embryo.

[0030] Then, the rodless air cylinder 21 is started, the slider on the rodless air cylinder 21 drives the lifting arm 22 to descend, until the placing table 8 is lowered to the bottom, then the handle bottle embryo heated in the heating box 2 can be taken out for the next process.

[0031] Compared with the related art, the handle bottle embryo heating device has the following beneficial effects:

[0032] The handle bottle embryo heating device comprises a heating box 2, a sealing bottom plate 17, a sealing disc 11, an active circular opening 9, a bidirectional screw rod 14, a mesh clamping plate 16, a telescopic air cylinder 19, a lifting arm 22 and a rodless air cylinder 21.

[0033] The above description is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion in the utility model specification and the attached drawings, 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 heating device for a handle bottle embryo, comprising a load plate and a heating box fixedly installed on one side of the load plate, characterized in that, The bottom of the warming box is provided with an opening, the top of the warming box is fixedly provided with a hot air machine, the warming box is provided with a wind distribution pipe, one end of an air guide pipe fixedly provided on the air outlet of the hot air machine extends into the warming box and is fixedly connected with the wind distribution pipe, the air guide pipe is fixedly connected with the top of the warming box, a plurality of air injection nozzles are fixedly provided on the wind distribution pipe, the warming box is provided with a placing table, a movable round opening is formed on the side of the warming box away from the load-bearing plate, a H-shaped support is fixedly provided on the outer wall of the side of the warming box away from the load-bearing plate, a sealing disc is arranged in the H-shaped support, the sealing disc is matched with the movable round opening, the diameter of the sealing disc is larger than the inner diameter of the movable round opening, the sealing disc is in contact with the outer wall of the side of the warming box away from the load-bearing plate, a sealing box is fixedly provided on one side of the sealing disc, a linkage shaft is rotatably arranged on the inner wall of the side of the H-shaped support away from the warming box, one end of the linkage shaft is fixedly connected with the sealing box, a bidirectional screw rod is rotatably arranged in the sealing box, two connecting plates are threadedly arranged on the bidirectional screw rod, the two connecting plates are extended into the warming box and are slidably connected with the sealing disc, the two connecting plates are extended through the movable round opening, meshing clamping plates are fixedly arranged on the sides of the two connecting plates close to the load-bearing plate and are located above the placing table.

2. The handle bottle preform warming device of claim 1, wherein, Two air vents are formed in the top of the warming box.

3. The handle bottle preform warming device of claim 1, wherein, The bottom of the warming box is provided with a bottom sealing plate, a U-shaped support is fixedly arranged on the bottom of the bottom sealing plate, a telescopic air cylinder is fixedly arranged on the bottom of the U-shaped support, the output shaft of the telescopic air cylinder extends into the U-shaped support and is movably connected with the bottom of the U-shaped support, an adapter rod is fixedly arranged on the output shaft of the telescopic air cylinder, the top end of the adapter rod extends into the warming box and is fixedly connected with the placing table, and the adapter rod extends through the bottom sealing plate and is slidably connected with the bottom sealing plate.

4. The warming device for a handle bottle embryo according to claim 3, characterized by A folding plate is fixedly arranged on the side of the load-bearing plate away from the U-shaped support, a rodless air cylinder is fixedly arranged in the folding plate, a lifting arm is fixedly arranged on the sliding block of the rodless air cylinder, the lifting arm extends through the load-bearing plate and is fixedly connected with the U-shaped support, and the lifting arm is slidably connected with the load-bearing plate.

5. The warming device for a handle bottle embryo according to claim 4, characterized by A long strip sliding opening is formed in the load-bearing plate, the lifting arm extends through the long strip sliding opening and is in contact with the inner wall of the long strip sliding opening, and a supporting base is fixedly arranged on the bottom of the load-bearing plate.

6. The warming device of claim 1, wherein A driving motor one is fixedly arranged on the outer wall of one side of the H-shaped support, the output shaft of the driving motor one is fixedly connected with one end of the linkage shaft, a driving motor two is fixedly arranged on the outer wall of one side of the sealing box, and the output shaft of the driving motor two is fixedly connected with one end of the bidirectional screw rod.

7. The warming device of claim 1, wherein Two anti-skid limiting plates are fixedly arranged on the top of the placing table.