Bottle blowing device for bottle blowing machine

Abstract

The utility model relates to the technical field of bottle blowing machines, and provides a bottle blowing device for a bottle blowing machine, which comprises a rack, an air blowing mechanism, a moving plate, a mold and an adjusting mechanism, the adjusting mechanism comprises a telescopic component, the telescopic component moves back and forth along the direction vertical to the moving plate, one end of the telescopic component is fixedly connected with the moving plate, and the other end of the telescopic component is fixedly connected with the bottom of the rack; the pushing plate is movably connected to the telescopic assembly in a sleeving manner; the spiral spring sleeves the telescopic assembly and is located between the pushing plate and the moving plate, one end of the spiral spring is fixedly connected with the pushing plate, and the other end of the spiral spring is fixedly connected with the moving plate; the adjusting assembly is installed at the bottom of the rack and used for adjusting the distance between the pushing plate and the bottom of the rack. According to the bottle blowing machine, the compression elasticity of the spring can be adjusted through the adjusting assembly, then the thickness of a bottle body to be blown is adjusted according to needs, and the problem that the thickness of a packaging bottle cannot be adjusted due to the fact that the compression elasticity of the spring of an existing bottle blowing machine cannot be adjusted according to actual conditions is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle blowing machine technical field, specifically, relate to a bottle blowing device for bottle blowing machine. BACKGROUND

[0002] Bottle blowing machine refers to the machine that blows bottles, the most simple explanation is that plastic particles (soften into liquid) or bottle embryo made through certain process means can be blown into bottle machine, and it is a kind of hollow container made of plastic particles by blow molding process, and the more common machine types currently include hollow extrusion blow molding machine using PP and PE one-time molding, injection stretch blow molding bottle blowing machine using PET, PC or PP two-time molding, and the newly developed multilayer hollow extrusion blow molding and stretch blow molding. Most of the bottle blowing machines are still two-step bottle blowing machines, that is, the plastic raw material must be made into a bottle embryo, and then blown. As shown in the figure, the bottle blowing machine working process generally includes stretching, pre-blowing, intermediate blowing, final blowing cooling, rod lifting and exhaust mold opening steps. Figure 4

[0003] The utility model discloses a kind of bottle blowing machines for disinfectant packaging bottle production, it includes machine body, mobile plate is slidably arranged in machine body, connecting sleeve is arranged on mobile plate, and nozzle is arranged in machine body. Mobile plate drives guide rod to slide in sleeve, compresses spring, and with mobile plate moves down, effectively adapt to different sizes of disinfectant packaging bottle, bottle blowing device introduces gas into nozzle by corrugated pipe, and then carries out sufficient bottle blowing operation to disinfectant packaging bottle by nozzle.

[0004] However, in the bottle blowing machine for disinfectant packaging bottle production, the compression force of the spring cannot be adjusted according to the actual situation, so that the bottle embryo is only subjected to a single force during the blowing process, which limits the movement of the bottle embryo during the blowing process. Therefore, it cannot adjust the thickness of the packaging bottle.

[0005] Therefore, in order to improve the structure of the above-mentioned bottle blowing machine for disinfectant packaging bottle production, we propose a bottle blowing device for bottle blowing machine. UTILITY MODEL CONTENTS

[0006] Therefore, in order to solve the problem that the existing bottle blowing machine cannot adjust the thickness of the packaging bottle due to the fact that the compression force of the spring cannot be adjusted according to the actual situation, the utility model provides a bottle blowing device for bottle blowing machine, and the specific technical solution is as follows:

[0007] ​A bottle blowing device for a bottle blowing machine, comprising a rack, a blowing mechanism mounted on the rack for blowing a bottle blank to shape the bottle blank, a moving plate movably mounted on the rack, and a mold fixedly mounted on the moving plate; the bottle blowing device for the bottle blowing machine further comprises an adjusting mechanism, the adjusting mechanism comprises:

[0008] a telescopic assembly moving back and forth in a direction perpendicular to the moving plate, one end of which is fixedly connected with the moving plate, and the other end of which is fixedly connected with the bottom of the rack;

[0009] a pushing plate movably sleeved on the telescopic assembly;

[0010] a coil spring sleeved on the telescopic assembly and located between the pushing plate and the moving plate, one end of which is fixedly connected with the pushing plate, and the other end of which is fixedly connected with the moving plate;

[0011] an adjusting assembly mounted on the bottom of the rack and used for adjusting the distance between the pushing plate and the bottom of the rack.

[0012] In the bottle blowing device for the bottle blowing machine, the telescopic degree of the coil spring is adjusted by the adjusting assembly, and then the contraction elastic force of the coil spring is adjusted, so that the adjusting mechanism has adjustable elastic force. In this way, the spring compression elastic force can be adjusted by the adjusting assembly, and then the thickness of the blown bottle body can be adjusted as needed, so that the problem that the thickness of the packaging bottle cannot be adjusted due to the fact that the compression elastic force of the spring cannot be adjusted according to the actual situation is solved.

[0013] Preferably, the adjusting assembly comprises:

[0014] a liquid storage chamber mounted on the bottom of the rack and used for storing liquid;

[0015] a push rod, one end of which extends into the liquid storage chamber, and the other end of which penetrates through the side wall of the liquid storage chamber and is fixedly connected with the pushing plate and is in sliding sealing connection with the side wall of the liquid storage chamber;

[0016] an adjusting bolt, one end of which extends into the liquid storage chamber, and the other end of which penetrates through the side wall of the liquid storage chamber and is in sliding sealing connection with the side wall of the liquid storage chamber;

[0017] wherein the push rod, the adjusting bolt, and the liquid storage chamber together form a sealed chamber.

[0018] Preferably, the adjusting bolt comprises a first bolt and a second bolt, the diameter of the first bolt being greater than the diameter of the second bolt.

[0019] Preferably, the blowing mechanism comprises:

[0020] A telescopic rod is fixedly connected to the top of the frame;

[0021] A connecting plate is fixedly connected to the other end of the telescopic rod;

[0022] A blowing hose is in communication with a gas source;

[0023] A blowing nozzle is fixedly installed at the bottom of the connecting plate and in communication with the other end of the blowing hose.

[0024] Preferably, the blowing nozzle comprises:

[0025] A first pipe section is fixedly installed at the bottom of the connecting plate and in communication with the other end of the blowing hose;

[0026] A second pipe section is fixedly connected to the end of the first pipe section away from the connecting plate and in communication with the end of the first pipe section away from the connecting plate.

[0027] Preferably, the second pipe section is provided with a plurality of air holes uniformly distributed on the side wall.

[0028] Preferably, the diameter of the second pipe section is smaller than that of the first pipe section.

[0029] Preferably, the first pipe section and the second pipe section are integrally formed.

[0030] Preferably, the blowing mechanism further comprises a limiting rod installed at the top of the frame and in sliding connection with the connecting plate.

[0031] Preferably, the blowing hose is a telescopic corrugated pipe. BRIEF DESCRIPTION OF DRAWINGS

[0032] The present application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, but emphasis is instead placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0033] Figure 1 is a schematic view of the overall structure of a bottle blowing device for a bottle blowing machine in an embodiment of the present application Figure 1 ;

[0034] Figure 2 is a schematic view of the overall structure of a bottle blowing device for a bottle blowing machine in an embodiment of the present application Figure 2 ;

[0035] Figure 3 is a schematic view of the structure of a blowing nozzle in an embodiment of the present application

[0036] Figure 4 Prior art process flow of bottle blowing.

[0037] BRIEF DESCRIPTION OF DRAWINGS

[0038] 1, rack; 2, moving plate; 3, mold; 4, telescopic rod; 5, connecting plate; 6, blowing hose; 7, blowing nozzle; 8, telescopic assembly; 9, pushing plate; 10, coil spring; 11, liquid storage chamber; 12, push rod; 13, first bolt; 14, second bolt; 70, first pipe section; 71, second pipe section; 72, air hole; 80, sleeve; 81, guide rod. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model, and do not limit the protection scope of the utility model.

[0040] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0042] The "first", "second" in the utility model do not represent the specific number and order, but only for the name of the distinction.

[0043] Before describing the embodiments of the utility model in detail, a brief introduction to the prior art is given.

[0044] The bottle blowing machine generally comprises a blowing mechanism and a mold, which heats and melts plastic particles, then conveys them to the extrusion mechanism through the conveying mechanism, the extrusion mechanism extrudes the melted plastic particles into plastic bottle embryos and conveys them into the mold, and finally the blowing mechanism blows the bottle embryo to make it expand and form. A disinfectant packaging bottle production bottle blowing machine in the prior art drives the guide rod to slide inside the sleeve through the moving plate, compresses the spring, and moves downward with the moving plate, effectively adapting to different sizes of disinfectant packaging bottles.

[0045] However, in the blow bottle machine for disinfectant packaging bottle production, the compression force of the spring cannot be adjusted according to the actual situation, so that the bottle blank is only subjected to a single elastic force during the blow bottle process, thereby limiting the position movement of the bottle blank during the blow bottle process, so that it cannot adjust the thickness of the packaging bottle.

[0046] In order to solve the technical problems existing in the prior art, such as Figure 1 and Figure 2 The utility model provides a blow bottle device for blow bottle machine, including frame 1, install on frame 1 for the bottle blank is blown to make bottle blank form blowing mechanism, mobile plate 2 of movable installation in frame 1 and mould 3 of fixed installation in mobile plate 2.

[0047] Among them, the blowing mechanism includes telescopic rod 4, connecting plate 5, blowing hose 6 and blowing nozzle 7.

[0048] One end of the telescopic rod 4 is fixedly connected with the top of the rack 1, and the other end of the telescopic rod 4 is fixedly connected with the connecting plate 5, that is, the telescopic rod 4 is located between the connecting plate 5 and the top of the rack 1, and the up-down movement of the connecting plate 5 can be realized by the telescopic rod 4.

[0049] One end of the blowing hose 6 is communicated with the air source, and the other end of the blowing hose 6 is communicated with the blowing nozzle 7. The blowing nozzle 7 is fixedly installed at the bottom of the connecting plate 5. The air source is an air compressor.

[0050] Preferably, the blowing hose 6 is a telescopic bellows.

[0051] Preferably, the blowing mechanism further comprises a limiting rod (not shown in the figure) installed on the top of the rack 1 and slidably connected with the connecting plate 5. One end of the limiting rod is fixedly connected with the top of the rack 1, and the other end passes through the connecting plate 5 and is slidably connected with the connecting plate 5, so as to enhance the stability of the connecting plate 5 during movement.

[0052] The movement of the connecting plate 5 and the blowing nozzle 7 is driven by driving the telescopic rod 4 to realize the blow bottle operation of the bottle blank in the mould 3.

[0053] As shown in Figure 1 and Figure 2 The blow bottle device for blow bottle machine further comprises an adjusting mechanism, and the adjusting mechanism comprises a telescopic assembly 8, a pushing plate 9, a spiral spring 10 and an adjusting assembly.

[0054] The telescopic assembly 8 moves back and forth along a direction perpendicular to the moving plate 2, one end of which is fixedly connected to the moving plate 2 and the other end of which is fixedly connected to the bottom of the rack 1. Preferably, the telescopic assembly 8 comprises a sleeve 80 and a guide rod 81, the sleeve 80 being hollow and having a bottom fixedly connected to the bottom of the rack 1, one end of the guide rod 81 being sleeved in the cavity of the sleeve 80 and being in sliding connection with the sleeve 80, and the other end of the guide rod 81 being fixedly connected to the moving plate 2.

[0055] By arranging the sleeve 80 and the guide rod 81, the stability of the movement of the moving plate 2 can be ensured during the up-and-down movement of the moving plate 2, because the guide rod 81 slides along the cavity of the sleeve 80.

[0056] The push plate 9 is movably sleeved on the telescopic assembly 8. Specifically, the push plate 9 is provided with a sliding hole matching the outer diameter of the sleeve 80, and the push plate 9 slides up and down along the outer sidewall of the sleeve 80 through the sliding hole.

[0057] The coil spring 10 is sleeved on the telescopic assembly 8 and located between the push plate 9 and the moving plate 2, one end of the coil spring 10 being fixedly connected to the push plate 9 and the other end of the coil spring 10 being fixedly connected to the moving plate 2. The adjusting assembly is installed on the bottom of the rack 1 and is used to adjust the distance between the push plate 9 and the bottom of the rack 1.

[0058] As shown in Figure 2 By adjusting the distance between the push plate 9 and the bottom of the rack 1 through the adjusting assembly, the elastic force of the coil spring 10 located between the moving plate 2 and the push plate 9 can be adjusted. Preferably, the two sidewalls of the rack 1 are provided with sliding grooves perpendicular to the moving plate 2, and the two ends of the moving plate 2 are in sliding connection with the sliding grooves.

[0059] In the bottle blowing device of the bottle blowing machine, the telescopic degree of the coil spring 10 is adjusted through the adjusting assembly, so as to adjust the contraction elastic force of the coil spring and realize the adjustability of the elastic force of the adjusting mechanism. In this way, the spring compression elastic force can be adjusted through the adjusting assembly, and the thickness of the blown bottle body can be adjusted as needed.

[0060] As a preferred technical solution, the adjusting assembly comprises a liquid storage chamber 11, a push rod 12 and an adjusting bolt.

[0061] The liquid storage chamber 11 is installed on the bottom of the rack 1 and is used to store liquid. The liquid includes but is not limited to water and hydraulic oil. One end of the push rod 12 extends into the liquid storage chamber 11, the other end of the push rod 12 penetrates through the sidewall of the liquid storage chamber 11 and is fixedly connected to the push plate 9, and the other end of the push rod 12 is in sliding sealing connection with the sidewall of the liquid storage chamber 11.

[0062] One end of the adjusting bolt extends into the liquid storage chamber 11, and the other end penetrates through the side wall of the liquid storage chamber 11 and is in sliding sealing connection with the side wall of the liquid storage chamber 11; wherein the push rod 12, the adjusting bolt and the liquid storage chamber 11 jointly constitute a sealed cavity.

[0063] When the adjusting bolt is rotated to increase the distance of the one end of the adjusting bolt extending into the liquid storage chamber 11, the push rod 12 can be driven to move by the liquid, so that the push plate 9 moves towards the moving plate 2. When the adjusting bolt is rotated in the opposite direction to reduce the distance of the one end of the adjusting bolt extending into the liquid storage chamber 11, the push plate 9 and the push rod 12 can be lowered under the action of the gravity of the moving plate 2, the push plate 9, the push rod 12 and the spring elastic force.

[0064] By rotating the adjusting bolt to adjust the distance of the one end of the adjusting bolt extending into the liquid storage chamber 11, the distance of the one end of the push rod 12 extending into the liquid storage chamber 11 can be adjusted by the liquid in the liquid storage chamber 11, and then the distance between the push plate 9 and the moving plate 2 is adjusted, and finally the spring compression elastic force is adjusted. Compared with the prior art of driving the push plate 9 by installing an electric telescopic rod 4 or a hydraulic rod to adjust the distance between the push plate 9 and the moving plate 2, the adjusting assembly has the characteristics of simple structure and low cost, and has good practicability.

[0065] As a preferred technical solution, the adjusting bolt comprises a first bolt 13 and a second bolt 14, and the diameter of the first bolt 13 is greater than the diameter of the second bolt 14.

[0066] The diameter of the first bolt 13 is greater than the diameter of the second bolt 14, preferably the diameter of the first bolt 13 is more than three times the diameter of the second bolt 14, and the diameter of the second bolt 14 is between 2mm and 5mm so that a technician can turn it by a screwdriver. In this way, the position of the push rod 12 and the push plate 9 can be coarsely adjusted by the first bolt 13 with a larger diameter, and the position of the push rod 12 and the push plate 9 can be finely adjusted by the second bolt 14 with a smaller diameter. The combination of coarse adjustment and fine adjustment can better adjust the position of the push rod 12 and the push plate 9, and accurately adjust the spring force of the coil spring 10.

[0067] As a preferred technical solution, the air blowing nozzle 7 comprises a first pipe segment 70 and a second pipe segment 71.

[0068] The first pipe segment 70 is fixedly installed at the bottom of the connecting plate 5 and communicates with the other end of the air blowing hose 6; the second pipe segment 71 is fixedly connected with the end of the first pipe segment 70 away from the connecting plate 5 and communicates with the end of the first pipe segment 70 away from the connecting plate 5.

[0069] Preferably, the second pipe section 71 is provided with a plurality of evenly distributed air holes 72 on the side wall.

[0070] The diameter of the second pipe section 71 is smaller than that of the first pipe section 70.

[0071] The working principle of the bottle blowing device is as follows:

[0072] Before the bottle is blown, the first bolt 13 and the second bolt 14 are rotated to drive the push rod 12 to move, and the elastic force of the coil spring 10 between the push plate 9 and the moving plate 2 is coarsely adjusted and finely adjusted; after the elastic force of the coil spring 10 is adjusted, the bottle blank is added into the mold 3, and then the blowing mechanism is actuated, specifically, the telescopic rod 4 is elongated to drive the blowing hose 6 and the blowing nozzle 7 to move towards the mold 3 until the blowing nozzle 7 extends into the inside of the bottle blank; the gas source is started, and the bottle blank is blown through the blowing hose 6 and the blowing nozzle 7, after the bottle blowing operation of the bottle blank is completed, the blowing mechanism moves upwards to make the blowing nozzle 7 away from the formed bottle body, and finally the exhaust, mold opening and other operations are performed.

[0073] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the present application.

[0074] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A bottle blowing apparatus for a bottle blowing machine, comprising a machine frame, a blowing mechanism mounted on the machine frame for blowing a bottle preform to shape the bottle preform, a moving plate movably mounted on the machine frame, and a mold fixedly mounted on the moving plate, characterized in that, The bottle blowing device of the bottle blowing machine further comprises an adjusting mechanism, which comprises: a telescopic assembly moving back and forth in a direction perpendicular to the moving plate, one end of which is fixedly connected to the moving plate and the other end of which is fixedly connected to the bottom of the rack; a pushing plate movably sleeved on the telescopic assembly; a helical spring sleeved on the telescopic assembly and located between the pushing plate and the moving plate, one end of which is fixedly connected to the pushing plate and the other end of which is fixedly connected to the moving plate; an adjusting assembly installed at the bottom of the rack and used for adjusting the distance between the pushing plate and the bottom of the rack.

2. A bottle blowing apparatus for a bottle blowing machine as defined in claim 1, characterized in that The adjusting assembly comprises: a liquid storage chamber installed at the bottom of the rack and used for storing liquid; a push rod, one end of which extends into the liquid storage chamber and the other end of which extends through the side wall of the liquid storage chamber and is fixedly connected to the pushing plate and slidably and sealingly connected to the side wall of the liquid storage chamber; an adjusting bolt, one end of which extends into the liquid storage chamber and the other end of which extends through the side wall of the liquid storage chamber and is slidably and sealingly connected to the side wall of the liquid storage chamber; wherein the push rod, the adjusting bolt and the liquid storage chamber together form a sealed chamber.

3. A bottle blowing apparatus for a bottle blowing machine as defined in claim 2, characterized in that The adjusting bolt comprises a first bolt and a second bolt, the diameter of the first bolt being greater than that of the second bolt.

4. A bottle blowing apparatus for a bottle blowing machine as defined in claim 1, wherein The blowing mechanism comprises: a telescopic rod, one end of which is fixedly connected to the top of the rack; a connecting plate, the other end of the telescopic rod being fixedly connected to the connecting plate; a blowing hose, one end of which is in communication with a gas source; a blowing nozzle, which is fixedly installed at the bottom of the connecting plate and in communication with the other end of the blowing hose.

5. A bottle blowing apparatus for a bottle blowing machine as defined in claim 4, wherein The blowing nozzle comprises: a first pipe section, which is fixedly installed at the bottom of the connecting plate and in communication with the other end of the blowing hose; a second pipe section, one end of which is fixedly connected to the first pipe section away from the connecting plate and in communication with the other end of the first pipe section.

6. A bottle blowing apparatus for a bottle blowing machine as defined in claim 5, wherein The side wall of the second pipe section is provided with a plurality of evenly distributed air holes.

7. A bottle blowing apparatus for a bottle blowing machine as defined in claim 6, wherein The diameter of the second pipe section is smaller than that of the first pipe section.

8. A bottle blowing apparatus for a bottle blowing machine as defined in claim 7, characterized in that The first pipe section and the second pipe section are integrally formed.

9. A bottle blowing apparatus for a bottle blowing machine as defined in claim 8, characterized in that The blowing mechanism further comprises a limiting rod installed at the top of the rack and in sliding connection with the connecting plate.

10. A bottle blowing apparatus for a bottle blowing machine as defined in claim 4, characterized by The blowing hose is a telescopic corrugated pipe.

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