Bottle preform bottleneck blowing mechanism for bottle blowing machine

Abstract

The utility model provides a bottle preform bottle opening blowing mechanism for a bottle blowing machine, and belongs to the technical field of bottle blowing machines. Comprising a base; the supporting frame is located on the base; the air blowing part is located on the supporting frame and used for fixing the conveyed bottle preform and then conducting air blowing; the shaping part is located on the supporting frame and used for shaping the bottle preform in the air blowing process; the recycling part is located on the supporting frame and used for recycling redundant gas in the air blowing process of the air blowing part; the inflating part is positioned in the shaping part and is used for inflating through the gas recycled by the recycling part, so that the whole surface of the bottle preform is uniformly stressed in the shaping process. According to the utility model, through the arrangement of the recycling box, redundant gas in the process that the air blowing part blows air to the bottle preform is recycled and filtered during recycling, so that the redundant gas is collected, the waste of energy is avoided, and the gas is stored in the recycling box through the one-way air groove.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle blowing machines, in particular to a preform bottle mouth blower mechanism for a bottle blowing machine. Background Art

[0002] The blower mechanism for the bottle mouth of the preform is an important part of the blower, which is mainly used to blow air to the bottle mouth of the preform to ensure that the shape and quality of the bottle mouth meet the requirements. The blower mechanism usually includes a blower device and a control system. The blower device is generally composed of a blower, a nozzle and an air duct. The airflow generated by the blower is guided to the nozzle through the air duct. Blow air to the bottle mouth of the preform. The shape and structure of the nozzle need to be designed according to the shape and size of the preform to ensure the best blowing effect and efficiency.

[0003] In the prior art, when the blowing structure of the bottle blowing machine blows air to the bottle preform, a certain amount of gas is usually blown out extra. The excess gas will cause uneven force on the whole bottle preform during the bottle preform shaping process, thereby causing irregularities or defects in the finished product. Therefore, the present application provides a bottle preform bottle mouth blowing mechanism for a bottle blowing machine to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a preform bottle mouth blowing mechanism for a bottle blowing machine to solve the problem that when the blowing structure of the existing bottle blowing machine blows air to the preform, a certain amount of gas is usually blown out excessively, and the excess gas will cause uneven force on the whole preform during the shaping process of the preform, thereby causing irregularities or defects in the finished product.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a preform bottle mouth blowing mechanism for a bottle blowing machine, comprising: a base; a support frame, located on the base; an inflation section, located on the support frame, used to fix the delivered bottle preform and then inflate it; a shaping section, located on the support frame, used to shape the bottle preform during the inflation process; a recovery section, located on the support frame, used to recover excess gas during the inflation process of the inflation section; an inflation section, located in the shaping section, and configured to be inflated with gas recovered by the recovery section, so that the entire surface of the bottle preform is evenly stressed during the shaping process.

[0006] Preferably, the support frame comprises: a support rod installed on the base; and a crossbeam installed on the support rod for fixing the inflation part and the recovery part.

[0007] Preferably, the inflation unit comprises: an inflation rack installed on the crossbeam; an inflation machine installed on the inflation rack and used to fix and inflate the preform; and a driving unit installed on the inflation rack and used to drive the inflation machine to operate.

[0008] Preferably, the shaping part comprises: a shaping column, comprising a first ring body and a second ring body; the first ring body is mounted on a support rod and rotatably connected to the support rod; the second ring body is mounted on the support rod and rotatably connected to the support rod; a shaping groove is provided on the shaping column, and is configured so that when the preform is transferred to the blower, the first ring body and the second ring body rotate to wrap the preform in the shaping groove.

[0009] Preferably, the recovery part includes: a recovery box installed at the bottom of the air blowing frame and arranged directly above the shaping column so that excess gas generated by the air blower enters the recovery box; a filter installed in the recovery box to filter the gas absorbed by the recovery box.

[0010] Preferably, the recovery box comprises: a through slot, which is provided on the recovery box and is used for the air outlet pipe of the blower to pass through the recovery box; and a gas groove, which is provided at the bottom end of the recovery box and is used for gas to enter the recovery box.

[0011] Preferably, the inflation part includes: two groups of inflation bags, which are respectively installed in the shaping grooves of the first ring body and the second ring body; two groups of air guide tubes, one end of which is connected to the recovery box, and the other end of each group of air guide tubes is respectively connected to a group of inflation bags, so that the gas in the recovery box can be transported to the inflation bags.

[0012] Preferably, it also includes: two groups of partitions, respectively installed on both sides of the base, both used to prevent interference with the blowing of the bottle preform; a lifting piece, installed on the base, used to lift the bottom end of the finished product after the bottle preform is inflated.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects: 1. In the above scheme, by setting a recovery box, the excess gas in the process of inflating the bottle embryo by the inflation part is recovered, and the gas is filtered during the recovery, so that the excess gas is collected, avoiding energy waste, and the gas is stored in the recovery box through the one-way gas groove.

[0014] 2. By setting up inflatable bags and using the excess gas in the recovery box to inflate, the two groups of inflatable bags cover the entire shaping groove, so that the preform is outsourced by the inflatable bags during the fixing and shaping process, to prevent some areas of the preform from being subjected to greater force and thus expanding, so that the surface of the preform becomes irregular. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and enable those skilled in the relevant art to make and use the present disclosure.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0018] Figure 3 It is a structural schematic diagram of some components in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the filter screen in the utility model.

[0020] [Reference Signs]

[0021] 1. Base; 2. Support frame; 3. Support rod; 4. Crossbeam; 5. Air blowing frame; 6. Air blower; 7. Driving unit; 8. Shaping column; 9. First ring body; 10. Second ring body; 11. Shaping groove; 12. Recovery box; 13. Filter; 14. Through groove; 15. Air groove; 16. Inflatable bag; 17. Air guide tube; 18. Partition.

[0022] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0023] The following is a detailed description of a preform bottle mouth blowing mechanism for a bottle blowing machine provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0024] Embodiment 1: Figures 1 to 4 As shown, an embodiment of the utility model provides a preform bottle mouth blowing mechanism for a bottle blowing machine, comprising: a base 1; a support frame 2, located on the base 1; an inflation portion, located on the support frame 2, for fixing the delivered bottle preform and then inflating it; a shaping portion, located on the support frame 2, for shaping the bottle preform during the inflation process; a recovery portion, located on the support frame 2, for recovering excess gas during the inflation process of the inflation portion; an inflation portion, located in the shaping portion, and configured to be inflated with gas recovered by the recovery portion, so that the entire surface of the bottle preform is evenly stressed during the shaping process.

[0025] like Figure 1 and Figure 2 As shown, the support frame 2 includes: a support rod 3 installed on the base 1; a crossbeam 4 installed on the support rod 3 and used for fixing the inflation part and the recovery part.

[0026] like Figures 1 to 3 As shown, the inflation unit includes: an inflation frame 5, which is installed on the crossbeam 4; an air blower 6, which is installed on the inflation frame 5 and is used to fix and inflate the bottle preform; a driving unit 7, which is installed on the inflation frame 5 and is used to drive the air blower 6 to operate; the driving unit 7 uses a driving motor to drive and supply energy.

[0027] like Figure 1 and Figure 2 As shown, the shaping part includes: a shaping column 8, including a first ring body 9 and a second ring body 10; the first ring body 9 is installed on the support rod 3 and is rotatably connected to the support rod 3; the second ring body 10 is installed on the support rod 3 and is rotatably connected to the support rod 3; a shaping groove 11 is opened on the shaping column 8, and is configured so that when the bottle preform is transferred to the blower 6, the first ring body 9 and the second ring body 10 rotate to wrap the bottle preform in the shaping groove 11.

[0028] Embodiment 2: Figures 1 to 4 As shown, the recovery part includes: a recovery box 12, installed at the bottom end of the air blowing frame 5 and arranged directly above the shaping column 8, so that the excess gas generated by the air blower 6 enters the recovery box 12; a filter screen 13, installed in the recovery box 12, for filtering the gas absorbed by the recovery box 12.

[0029] like Figures 1 to 4 As shown, the recovery box 12 includes: a through groove 14, which is opened on the recovery box 12, for the air outlet pipe of the blower 6 to pass through the recovery box 12; an air groove 15, which is opened at the bottom end of the recovery box 12, for the gas to enter the recovery box 12; a one-way valve is arranged in the air groove 15, so that after the gas enters the recovery box 12, it will not leak out from the air groove 15.

[0030] like Figures 1 to 3 As shown, the inflation part includes: two groups of inflation bags 16, which are respectively installed in the molding grooves 11 of the first ring body 9 and the second ring body 10; two groups of air guide tubes 17, one end of each group of air guide tubes 17 is connected to the recovery box 12, and the other end of each group of air guide tubes 17 is respectively connected to a group of inflation bags 16, so that the gas in the recovery box 12 can be transported to the inflation bags 16.

[0031] like Figure 1 As shown, it also includes: two groups of partitions 18, which are respectively installed on both sides of the base 1, both used to prevent interference with the blowing of the bottle preform; a lifting piece, installed on the base 1, used to lift the bottom end of the finished product after the bottle preform is inflated.

[0032] In the above scheme, the operations of the blower 6, the shaping column 8 and the lifting member are all existing technologies, which are controlled by the existing control system. They are well-known in the art and are understood by practitioners in this industry, so they will not be repeated here.

[0033] The technical solution provided by the utility model is that when the preform is transferred to the blower 6 by the mechanical arm, after the mouth of the preform is fixedly connected to the air outlet of the blower 6, the first ring body 9 and the second ring body 10 rotate in the direction of approaching each other until the first ring body 9 and the second ring body 10 are both opened with the molding groove 11 on one side and contact each other, so that the preform is wrapped in the molding groove 11, and the driving part 7 is started, so that the blower 6 starts to blow air, and the gas is filled into the preform. The preform is formed into a corresponding finished product according to the shape of the molding groove 11. The excess gas blown out by the blower 6 has a certain speed, so that it enters the recovery box 12, passes through the gas groove 15, and enters the recovery box 12 after being filtered by the filter screen 13. The gas in the recovery box 12 enters the inflation bag 16 through the air guide tube 17, so that the inflation bag 16 covers the molding groove 11, and protects the preform during the inflation process.

[0034] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A preform bottle mouth blowing mechanism for a bottle blowing machine, characterized in that: include: Base (1); A support frame (2) is located on the base (1); An air-inflating section, located on the support frame (2), used for fixing the delivered preform and then inflating it; A shaping part, located on the support frame (2), used for shaping the preform during the inflation process; A recovery unit, located on the support frame (2), and used for recovering excess gas during the inflation process of the inflation unit; The inflation part is located in the shaping part and is configured to be inflated by the gas recovered by the recovery part so that the entire surface of the preform is evenly stressed during the shaping process.

2. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 1, characterized in that: The support frame (2) comprises: A support rod (3) mounted on the base (1); The crossbeam (4) is mounted on the support rod (3) and is used to fix the inflation part and the recovery part.

3. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 2, characterized in that: The air blowing part comprises: An air blowing frame (5) is mounted on the crossbeam (4); An air blower (6), mounted on the air blower frame (5), for fixing and blowing air into the preform; The driving unit (7) is mounted on the air blowing frame (5) and is used to drive the air blower (6) to operate.

4. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 3, characterized in that: The shaping part comprises: The shaping column (8) comprises a first ring body (9) and a second ring body (10); A first ring body (9) is mounted on the support rod (3) and is rotatably connected to the support rod (3); A second ring body (10) is mounted on the support rod (3) and is rotatably connected to the support rod (3); The shaping groove (11) is formed on the shaping column (8) and is configured such that when the preform is transferred to the blower (6), the first ring body (9) and the second ring body (10) rotate to wrap the preform in the shaping groove (11).

5. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 4, characterized in that: The recovery unit comprises: A recovery box (12) is installed at the bottom end of the air blowing frame (5) and is arranged directly above the shaping column (8) so that the excess gas generated by the air blower (6) can enter the recovery box (12); The filter screen (13) is installed in the recovery box (12) and is used to filter the gas absorbed by the recovery box (12).

6. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 5, characterized in that: The recycling box (12) comprises: A through groove (14) is provided on the recovery box (12) and is used for the air outlet pipe of the air blower (6) to pass through the recovery box (12); The gas groove (15) is provided at the bottom end of the recovery box (12) and is used for gas to enter the recovery box (12).

7. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 6, characterized in that: The inflatable part comprises: Two groups of inflatable bags (16) are respectively installed in the shaping grooves (11) of the first ring body (9) and the second ring body (10); One end of the two groups of air guide tubes (17) is connected to the recovery box (12), and the other end of each group of air guide tubes (17) is connected to a group of inflatable bags (16) respectively, so that the gas in the recovery box (12) is transported to the inflatable bags (16).

8. The preform bottle mouth blowing mechanism for a bottle blowing machine according to claim 1, characterized in that: Also includes: Two sets of partitions (18) are respectively installed on both sides of the base (1), and are used to prevent interference with the blowing of the preform; The lifting member is mounted on the base (1) and is used to lift the bottom end of the finished product after the preform is inflated.

Images