Bottle preform preheating and positioning rotary workbench for blow molding machine

By designing a structure including placement slots, grooves, springs, spring rods, clamping plates, guide channels, and guide blocks, the problem of inconvenient positioning of the preform preheating rotary worktable in blow molding machines was solved, achieving stable clamping and precise positioning of preforms of different sizes, and improving the flexibility and efficiency of the production line.

CN223750239UActive Publication Date: 2026-01-02NINGBO BEYON PLASTIC CO LTD
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Patent Information

Application Number
CN202520719744.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-01-02
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

The existing preheating rotary table for blow molding machines has positioning difficulties, which causes the preforms to shake or shift during preheating, affecting the uniformity of heating. It is also difficult to quickly adapt to preforms of different specifications, which restricts the flexibility and efficiency of the production line.

Method used

The design incorporates a placement slot, groove, spring, spring rod, clamping plate, guide groove, and guide block structure. Through the elastic design of the spring and the sliding connection between the guide groove and the guide block, it achieves automatic adaptation and tight fixation for bottle preforms of different sizes, ensuring clamping stability and positioning accuracy.

Benefits of technology

It improves the uniformity of preform preheating and the flexibility of the production line, can adapt to preforms of different specifications, eliminates the need for frequent adjustments to the positioning device, and significantly improves production efficiency and product consistency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223750239U_ABST
Patent Text Reader

Abstract

The utility model discloses a bottle preform preheating and positioning rotary table for a blow molding machine, which comprises a rotary table, a base is arranged at the center of the bottom of the rotary table, a gear motor is fixedly mounted on one side in the base, a rotary column is fixedly connected to the center of the bottom of the rotary table, and a bottom plate is fixedly mounted at the lower end of the base. A preheating chamber is fixedly mounted on one side of the top of the bottom plate, and one end of the rotary table penetrates into the preheating chamber. According to the bottle preform preheating and positioning rotary workbench for the blow molding machine, through the design of the containing grooves, the grooves, the springs, the elastic rods, the clamping plates, the guide grooves and the guide blocks, the workbench can automatically adapt to and tightly fix bottle preforms of different sizes, the elastic design of the springs ensures that the bottle preforms are evenly clamped by the clamping plates, bottle preform damage caused by too tight clamping is avoided, and the working efficiency is improved. Meanwhile, due to the sliding connection mechanism of the guide grooves and the guide blocks, the stability and guidance quality of the clamping plates in the moving process are further enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotary table technical field, concretely is a bottle embryo preheating positioning rotary table for blow molding machine. BACKGROUND

[0002] The preheating of the bottle embryo by the blow molding machine is a crucial step, because the preheating can ensure that the plastic material reaches a suitable plastic state. During the preheating process, the bottle embryo is uniformly heated by a controlled heating method, which relaxes the internal polymer chains and enhances the ductility and flowability of the material. This step not only helps to accurately shape the bottle body in the subsequent blow molding process, reducing the rate of defective products, but also improves the overall strength and uniformity of the bottle body, ensuring the quality and durability of the final product.

[0003] The existing bottle embryo preheating rotary table used by the blow molding machine generally has the significant defect of inconvenient positioning. During the rotation of the workbench, the positioning system of the bottle embryo often cannot accurately and stably fix bottle embryos of various sizes, leading to the bottle embryo shaking or shifting during preheating. This not only affects the uniformity of bottle embryo heating, but also may cause defects in the blow molding stage due to inaccurate positioning. In addition, due to the lack of flexibility of the positioning system, the existing rotary table cannot quickly adapt to bottle embryos of different specifications, and the adjustment process is complicated and inefficient, severely restricting the flexibility and multi-species production capacity of the production line. Therefore, we propose a bottle embryo preheating positioning rotary table for blow molding machines. SUMMARY

[0004] The utility model aims at providing a bottle embryo preheating positioning rotary table for blow molding machines to solve the problem of the existing bottle embryo preheating rotary table used by the blow molding machine, which generally has the significant defect of inconvenient positioning. During the rotation of the workbench, the positioning system of the bottle embryo often cannot accurately and stably fix bottle embryos of various sizes, leading to the bottle embryo shaking or shifting during preheating. This not only affects the uniformity of bottle embryo heating, but also may cause defects in the blow molding stage due to inaccurate positioning. In addition, due to the lack of flexibility of the positioning system, the existing rotary table cannot quickly adapt to bottle embryos of different specifications, and the adjustment process is complicated and inefficient, severely restricting the flexibility and multi-species production capacity of the production line.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A bottle embryo preheating positioning rotary worktable for blow molding machine, including the turntable, the center of the bottom of turntable is provided with base, one side fixed mounting of base in, the center fixed connection of turntable bottom has rotary column, the lower end fixed mounting of base has bottom plate, one side fixed mounting of bottom plate top has preheating chamber, one end of turntable penetrates to the inside of preheating chamber, the top of turntable is opened with the placement groove, the both sides of the inner wall of placement groove are opened with the recess in the center, one side fixed connection of recess in has spring, one end fixed connection of spring has elastic rod, one end of elastic rod penetrates to the outside of recess and is fixedly connected with the clamping plate, the both sides of the bottom of recess are opened with the guide groove, the center of the bottom of two clamping plates is fixedly installed with guide block.

[0006] Compared with the prior art, the utility model has the advantages that:

[0007] The bottle embryo preheating positioning rotary worktable for blow molding machine is designed with a placement groove, a recess, a spring, an elastic rod, a clamping plate, a guide groove and a guide block, so that the worktable can automatically adapt to and tightly fix bottle embryos of different sizes, the elastic design of the spring ensures uniform clamping of the clamping plate on the bottle embryo, which avoids damage to the bottle embryo caused by over-tightening and prevents unstable positioning caused by over-looseness, at the same time, the sliding connection mechanism of the guide groove and the guide block further enhances the stability and directivity of the clamping plate during movement, making the positioning operation more accurate and reliable, and greatly improving the adaptability of the worktable to bottle embryos of different specifications, without the need to frequently replace or adjust the positioning device, various sizes of bottle embryos can be easily handled, thereby significantly improving the flexibility and production efficiency of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a structural schematic view of the utility model;

[0009] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a local enlarged schematic view of A in the utility model;

[0010] Figure 3 It is a structural perspective view of the clamping plate of the utility model;

[0011] Figure 4 It is a structural plan view of the utility model.

[0012] In the drawing: 1, turntable; 2, base; 3, speed reducer motor; 4, rotary column; 5, No. gear; 6, No. 2 gear; 7, support seat; 8, annular sliding slot; 9, annular sliding block; 10, bottom plate; 11, preheating chamber; 12, fan; 13, heating wire; 14, placement groove; 15, recess; 16, spring; 17, elastic rod; 18, clamping plate; 19, guide groove; 20, guide block. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0014] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a bottle embryo preheating positioning rotary workbench for blow molding machine, including turntable 1, the center of the bottom of turntable 1 is provided with base 2, one side fixed mounting is equipped with speed reducer motor 3 in base 2, the center of the bottom of turntable 1 is fixedly connected with rotating column 4, the lower end of base 2 is fixedly installed with bottom plate 10, one side of the top of bottom plate 10 is fixedly installed with preheating chamber 11, one end of turntable 1 is penetrated to the inside of preheating chamber 11, recessed groove 15 is opened in the center of the two sides of the inner wall of placing groove 14, which is opened in the top of turntable 1, one side fixedly connected with spring 16 in recessed groove 15, one end of spring 16 is fixedly connected with elastic rod 17, one end of elastic rod 17 is penetrated to the outside of recessed groove 15 and fixedly connected with clamping plate 18, two sides of the bottom of recessed groove 15 are all equipped with guide groove 19, the center of the bottom of two clamping plates 18 is all fixedly installed with guide block 20.

[0015] The bottom of rotating column 4 is penetrated to the inside of base 2 and is movably connected with bearing fixedly installed in the center of the bottom of base 2, to ensure that turntable 1 can rotate smoothly, and provide necessary power transmission and support for the preheating of bottle embryo.

[0016] No. 2 gear 6 is fixedly installed on the surface of rotating column 4 near the center, no. 2 gear 6 is meshingly connected with no. 1 gear 5 on one side, main shaft is fixedly connected with the output end of speed reducer motor 3 on one side, one end of main shaft is fixedly connected with the center of one side of no. 1 gear 5, no. 1 gear 5 is driven to rotate by speed reducer motor 3, to drive no. 2 gear 6 and rotating column 4 to rotate, to realize the uniform rotation of turntable 1.

[0017] Supporting seat 7 is fixedly connected with the outside of base 2 on the bottom of turntable 1, annular slide groove 8 is opened in the top and bottom of the outer wall of base 2, annular slide block 9 is fixedly connected with the outer periphery of two annular slide grooves 8 respectively on the inner wall of supporting seat 7, the surface of two annular slide blocks 9 is slidably connected with the inner wall of two annular slide grooves 8 respectively, to enhance the stability of turntable 1 when rotating, and reduce shaking.

[0018] Fan 12 is fixedly installed on the top in preheating chamber 11, heating wire 13 is fixedly installed on the bottom of the inside of preheating chamber 11 corresponding to fan 12, to realize the rapid and uniform preheating of bottle embryo under the joint action, to improve preheating efficiency and quality.

[0019] The number of placement grooves 14 is several, and the several placement grooves 14 are arranged in a ring shape at equal intervals, maximizing the use of the space of the rotating table 1, while ensuring that each bottle embryo can obtain the same heating condition in the preheating process, improving production efficiency and product consistency.

[0020] The bottoms of the two guide blocks 20 respectively extend into the interiors of the two guide grooves 19 and are in sliding connection with the inner walls of the guide grooves 19, providing accurate guidance for the movement of the clamping plate 18, ensuring that the clamping plate 18 can move smoothly and accurately when clamping the bottle embryo, enhancing the accuracy and reliability of positioning.

[0021] First, the bottle embryo is placed in each placement groove 14 on the rotating table 1 by manual or automatic feeding mechanism. When the bottle embryo is placed in the placement groove 14, its two sides will be slightly squeezed by the clamping plate 18. The clamping plate 18 is connected to the spring 16 through the elastic rod 17. The elastic action of the spring 16 enables the clamping plate 18 to adapt to bottle embryos of different sizes, ensuring that the bottle embryo is stably clamped in the placement groove 14. At the same time, the sliding connection of the two guide blocks 20 in the guide grooves 19 provides accurate guidance for the movement of the clamping plate 18, further enhancing the accuracy and reliability of positioning. After the positioning of the bottle embryo is completed, the reduction motor 3 starts to work. Its output end drives the primary gear 5 to rotate through the main shaft. The meshing connection between the primary gear 5 and the secondary gear 6 makes the rotating column 4 start to rotate, and then drives the entire rotating table 1 to rotate smoothly and smoothly. The support seat 7 at the bottom of the rotating table 1 and the ring-shaped sliding block 9 slide in the ring-shaped sliding groove 8 of the base 2, enhancing the stability of the rotating table 1 when rotating, reducing shaking. With the rotation of the rotating table 1, the placement groove 14 with the bottle embryo gradually enters the interior of the preheating chamber 11. The fan 12 in the preheating chamber 11 starts to work, and the heating wire 13 heats the air. Under the joint action, the bottle embryo is quickly and uniformly preheated. During the preheating process, the continuous rotation of the rotating table 1 ensures that each bottle embryo can obtain the same heating condition, thereby improving the production efficiency and product consistency.

[0022] In summary: the bottle embryo preheating positioning rotating workbench for blow molding machine, through the design of placement groove 14, groove 15, spring 16, elastic rod 17, clamping plate 18, guide groove 19 and guide block 20, the workbench can automatically adapt to and tightly fix bottle embryos of different sizes. The elastic design of the spring 16 ensures the uniform clamping of the clamping plate 18 to the bottle embryo, avoiding damage to the bottle embryo caused by over-tightening, and preventing unstable positioning caused by over-looseness. At the same time, the sliding connection mechanism of the guide groove 19 and the guide block 20 further enhances the stability and directivity of the clamping plate 18 during movement, making the positioning operation more accurate and reliable. At the same time, it greatly improves the adaptability of the workbench to bottle embryos of different specifications, without the need to frequently replace or adjust the positioning device, it can easily cope with bottle embryos of various sizes, thereby significantly improving the flexibility and production efficiency of the production line.

[0023] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A preheating positioning rotary table for bottle preforms for blow molding machines, comprising a turret (1), characterized in that: The bottom of the rotating platform (1) is provided with a base (2), one side of the base (2) is fixedly provided with a speed reducer motor (3), the bottom of the rotating platform (1) is fixedly connected with a rotating column (4), the lower end of the base (2) is fixedly provided with a bottom plate (10), one side of the top of the bottom plate (10) is fixedly provided with a preheating chamber (11), one end of the rotating platform (1) penetrates into the preheating chamber (11), the top of the rotating platform (1) is provided with a placing groove (14), the inner wall of the placing groove (14) is provided with a groove (15) at the center of both sides, one side of the groove (15) is fixedly connected with a spring (16), one end of the spring (16) is fixedly connected with a spring rod (17), one end of the spring rod (17) penetrates into the outside of the groove (15) and is fixedly connected with a clamping plate (18), the bottom of the groove (15) is provided with a guide groove (19) at both sides, the center of the bottom of the two clamping plates (18) is fixedly provided with a guide block (20).

2. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The bottom of the rotating column (4) penetrates into the inside of the base (2) and is movably connected with the bearing fixedly installed at the center of the bottom of the base (2).

3. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The surface of the rotating column (4) is fixedly provided with a second gear (6) at the center position, one side of the second gear (6) is meshingly connected with a first gear (5), the speed reducer motor (3) is fixedly connected with a main shaft through the output end of one side thereof, one end of the main shaft is fixedly connected with the center of one side of the first gear (5).

4. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The bottom of the rotating platform (1) is fixedly connected with a supporting seat (7) corresponding to the outside of the base (2), the top and the bottom of the outer wall of the base (2) are provided with an annular sliding groove (8), the inner wall of the supporting seat (7) is fixedly connected with an annular sliding block (9) corresponding to the outside of the two annular sliding grooves (8), respectively, the surfaces of the two annular sliding blocks (9) are slidably connected with the inner walls of the two annular sliding grooves (8), respectively.

5. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The top of the preheating chamber (11) is fixedly provided with a fan (12), the inside of the preheating chamber (11) is fixedly provided with a heating wire (13) corresponding to the bottom of the fan (12).

6. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The number of the placing grooves (14) is several, and the several placing grooves (14) are arranged in a ring shape at equal intervals.

7. A preheating and positioning rotary table for bottle preforms of a blow molding machine according to claim 1, characterized in that: The bottoms of the two guide blocks (20) extend into the interiors of the two guide grooves (19) and are slidably connected with the inner walls of the guide grooves (19), respectively.