Stretching and sealing linkage device for bottle blowing machine

Abstract

The utility model discloses a stretching and sealing linkage device for a bottle blowing machine. The stretching and sealing linkage device comprises a linkage mechanism, the linkage mechanism is composed of a telescopic rod connecting mechanism and a plug, the plug is hollow, the connecting mechanism is installed on one side of the bottom end of the telescopic rod, the upper end of the plug is installed on one side of the bottom end of the connecting mechanism, a blowing rod is arranged at the bottom end of the telescopic rod, and the upper end of the blowing rod is installed at the bottom end of the telescopic rod. The bottom end of the blowing rod penetrates through the plug, and a guide pipe is arranged on one side of the upper end of the blowing rod. The blowing rod and the plug move downwards at the same time at the beginning, when the plug blocks a bottle opening in the upper end of a bottle blank, the connecting mechanism shrinks, the plug stops moving downwards, the blowing rod continues moving downwards to conduct blow molding on a bottle body, and the telescopic rod drives the blowing rod and the plug to move upwards when blow molding is completed. In the using process, the impact force between the plug and the bottle mold can be reduced, and the abrasion of the plug is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing linkage, in particular to a stretching sealing linkage device for a bottle blowing machine. Background Art

[0002] A bottle blowing machine refers to a machine for blowing bottles. The most simple explanation is that it is a machine that can blow plastic particles (softened into liquid) or finished bottle embryos into bottles through certain process means. When using the bottle blowing machine, a sealing linkage mechanism is required to drive the blowing rod and the plug to work in conjunction.

[0003] The Chinese patent number CN202121566880.0 discloses a stretching and sealing linkage device for a bottle blowing machine, including a bracket, a first guide rail extending in a first direction, a stretching mechanism, and a sealing mechanism; the stretching mechanism includes a first slider slidably arranged on the first guide rail, a roller arranged on the first slider, a stretching rod connected to the first slider, and a driving unit arranged on the bracket; the sealing mechanism includes a sealing cylinder arranged on the bracket, a sealing shaft, a second slider slidably arranged on the first guide rail and used to connect the sealing shaft, a second guide rail extending in a second direction, a third slider slidably arranged on the second guide rail, and a first connecting rod rotatably connected to the third slider and the second slider at both ends; the third slider is provided with a cam curve for cooperating with the rolling of the roller, and when the first slider slides relative to the third slider, the roller always presses against the cam curve. When the prior art is in use, the instantaneous impact force when the bottom end of the sealing mechanism contacts the mold is large, which is easy to cause large wear to the mold and the sealing mechanism. Utility Model Content

[0004] The utility model aims to provide a stretch sealing linkage device for a bottle blowing machine to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretch sealing linkage device for a bottle blowing machine, comprising a linkage mechanism; the linkage mechanism is composed of a telescopic rod connecting mechanism and a plug, the plug is hollow inside, the connecting mechanism is installed at one side of the bottom end of the telescopic rod, the upper end of the plug is installed at one side of the bottom end of the connecting mechanism, a blowing rod is provided at the bottom end of the telescopic rod, the upper end of the blowing rod is installed at the bottom end of the telescopic rod, the bottom end of the blowing rod passes through the plug, a conduit is provided at one side of the upper end of the blowing rod, and the conduit is installed at one side of the upper end of the blowing rod.

[0006] Preferably, a sleeve is provided on the outside of the conduit near one side of the blowing rod, and the sleeve is installed at an upper end position on one side of the blowing rod.

[0007] Preferably, a spring tube is provided in the middle of the catheter, the spring tube and the catheter are integrated, a steel mesh is provided on the outside of the catheter, and the steel mesh is adhered to the outside of the catheter by adhesive.

[0008] Preferably, the connecting mechanism consists of a fixed plate, a slide plate, a guide rod and a spring, the fixed plate is installed on one side of the bottom end of the telescopic rod, the slide plate is installed on one side of the upper end of the plug, the guide rod is welded to the middle position of the bottom end of the fixed plate, the slide plate is slidably installed on the upper side of the guide rod, and the spring is sleeved on the guide rod at a position outside the section between the fixed plate and the slide plate.

[0009] Preferably, a protective sleeve is sleeved on the outer side of the spring, and two ends of the protective sleeve are adhered to the bottom end of the fixed plate and the upper end of the sliding plate by adhesive.

[0010] Preferably, a damping sleeve is welded at the middle position of the upper side of the slide plate, and the damping sleeve is slidably mounted on the upper side of the slide rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. At the beginning, the blow rod and the plug move downward at the same time. When the plug blocks the bottle mouth at the upper end of the bottle blank, the connecting mechanism will shrink, the plug stops moving downward, and the blow rod continues to move downward to blow mold the bottle body. When the blow molding is completed, the telescopic rod will drive the blow rod and the plug to move upward. During the use of the utility model, the impact force between the plug and the bottle mold can be reduced, and the wear of the plug can be reduced;

[0013] 2. The spring tube is used to adjust the length of the catheter, and the wire mesh can increase the catheter's anti-bending performance;

[0014] 3. When the connecting mechanism drives the plug to move downward, the slide plate will be stressed when the plug contacts the mold. At this time, the spring will contract under stress, which can buffer the instantaneous pressure between the plug and the mold, avoiding high pressure and causing greater wear between the plug and the mold.

[0015] 4. The setting of the damping sleeve can increase the friction between the slide rod and the slide board, avoiding the shaking of the plug during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the utility model after contraction.

[0021] In the figure: 1. linkage mechanism; 2. telescopic rod; 3. connecting mechanism; 4. blowing rod; 5. plug; 6. sleeve; 7. conduit; 8. spring tube; 9. wire mesh; 10. fixing plate; 11. protective cover; 12. slide plate; 13. spring; 14. slide rod; 15. damping sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, a stretch sealing linkage device for a bottle blowing machine includes a linkage mechanism 1; the characteristics are as follows: the linkage mechanism 1 is composed of a telescopic rod 2, a connecting mechanism 3 and a plug 5, the plug 5 is hollow inside, the connecting mechanism 3 is installed at a position on one side of the bottom end of the telescopic rod 2, the upper end of the plug 5 is installed at a position on one side of the bottom end of the connecting mechanism 3, a blowing rod 4 is arranged at the bottom end of the telescopic rod 2, the upper end of the blowing rod 4 is installed at the bottom end of the telescopic rod 2, the bottom end of the blowing rod 4 passes through the plug 5, a conduit 7 is arranged on one side of the upper end of the blowing rod 4, and the conduit 7 is installed at the upper end of the blowing rod 4 One side position; a sleeve 6 is arranged on the outside of the conduit 7 near the side of the blowing rod 4, and the sleeve 6 is installed at the upper end position of one side of the blowing rod 4. The setting of the sleeve 6 is used to protect the conduit 7 to prevent the conduit 7 from leaking due to long-term bending; a spring tube 8 is arranged in the middle position of the conduit 7, and the spring tube 8 and the conduit 7 are integrated. A steel mesh 9 is arranged on the outside of the conduit 7, and the steel mesh 9 is adhered to the outside of the conduit 7 by adhesive. The setting of the spring tube 8 is used to adjust the length of the conduit 7, and the setting of the steel mesh 9 can increase the bending resistance of the conduit 7.

[0024] The connecting mechanism 3 is composed of a fixed plate 10, a slide plate 12, a guide rod and a spring 13. The fixed plate 10 is installed at one side of the bottom end of the telescopic rod 2, and the slide plate 12 is installed at one side of the upper end of the plug 5. The guide rod is welded to the middle position of the bottom end of the fixed plate 10, and the slide plate 12 is slidably installed on the upper side of the guide rod. The spring 13 is sleeved on the guide rod and is located at the outer side of the section between the fixed plate 10 and the slide plate 12. In the process of the connecting mechanism 3 driving the plug 5 to move downward, when the plug 5 contacts the mold, the slide plate 12 will be stressed. At this time, the spring 13 is stressed to contract, which can be used to apply instantaneous pressure between the plug 5 and the mold. The force is buffered to avoid high pressure, which may cause greater wear between the plug 5 and the mold; a protective sleeve 11 is sleeved on the outside of the spring 13, and the two ends of the protective sleeve 11 are glued to the bottom end of the fixed plate 10 and the upper end of the slide plate 12 by adhesive. The setting of the protective sleeve 11 is used to protect the spring 13 and reduce the corrosion of the spring 13 when in use; a damping sleeve 15 is welded to the middle position on the upper side of the slide plate 12, and the damping sleeve 15 is slidably mounted on the upper side of the slide rod 14. The setting of the damping sleeve 15 can increase the friction between the slide rod and the slide plate 12 to avoid the plug 5 from shaking when in use.

[0025] The working principle and use process of the utility model are as follows: when the linkage mechanism 1 is in use, the connecting mechanism 3, the blowing rod 4 and the plug 5 are driven to move downward by the telescopic rod 2. At the beginning, the blowing rod 4 and the plug 5 move downward at the same time. When the plug 5 blocks the bottle mouth at the upper end of the bottle blank, the connecting mechanism 3 will shrink, the plug 5 will stop moving downward, and the blowing rod 4 will continue to move downward to blow-mold the bottle body. When the blow-molding is completed, the telescopic rod 2 will drive the blowing rod 4 and the plug 5 to move upward. During the use of the utility model, the impact force between the plug 5 and the bottle mold can be reduced, and the wear of the plug 5 can be reduced.

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stretch sealing linkage device for a bottle blowing machine, comprising a linkage mechanism (1); characterized in that: The linkage mechanism (1) is composed of a telescopic rod (2), a connecting mechanism (3) and a plug (5); the plug (5) is hollow inside; the connecting mechanism (3) is mounted on one side of the bottom end of the telescopic rod (2); the upper end of the plug (5) is mounted on one side of the bottom end of the connecting mechanism (3); a blow rod (4) is arranged at the bottom end of the telescopic rod (2); the upper end of the blow rod (4) is mounted on the bottom end of the telescopic rod (2); the bottom end of the blow rod (4) passes through the plug (5); a conduit (7) is arranged on one side of the upper end of the blow rod (4); and the conduit (7) is mounted on one side of the upper end of the blow rod (4).

2. A stretch sealing linkage device for a bottle blowing machine according to claim 1, characterized in that: A sleeve (6) is provided on the outside of the conduit (7) near one side of the blowing rod (4), and the sleeve (6) is installed at the upper end of one side of the blowing rod (4).

3. The stretch sealing linkage device for a bottle blowing machine according to claim 1, characterized in that: A spring tube (8) is arranged in the middle of the conduit (7), and the spring tube (8) and the conduit (7) are arranged as one body. A steel wire mesh (9) is arranged on the outside of the conduit (7), and the steel wire mesh (9) is adhered to the outside of the conduit (7) by adhesive.

4. A stretch sealing linkage device for a bottle blowing machine according to claim 1, characterized in that: The connecting mechanism (3) is composed of a fixed plate (10), a slide plate (12), a guide rod and a spring (13); the fixed plate (10) is mounted on one side of the bottom end of the telescopic rod (2); the slide plate (12) is mounted on one side of the upper end of the plug (5); the guide rod is welded to the middle position of the bottom end of the fixed plate (10); the slide plate (12) is slidably mounted on the upper side of the guide rod; and the spring (13) is sleeved on the guide rod at the outer side of the section between the fixed plate (10) and the slide plate (12).

5. A stretch sealing linkage device for a bottle blowing machine according to claim 4, characterized in that: The outer side of the spring (13) is covered with a protective sleeve (11), and the two ends of the protective sleeve (11) are adhered to the bottom end of the fixing plate (10) and the upper end of the sliding plate (12) by adhesive.

6. A stretch sealing linkage device for a bottle blowing machine according to claim 5, characterized in that: A damping sleeve (15) is welded at the middle position of the upper side of the slide plate (12), and the damping sleeve (15) is slidably mounted on the upper side of the slide rod (14).

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