Plastic bottle blow molding hollow forming machine

Abstract

The utility model relates to the technical field of plastic bottle production, and discloses a plastic bottle blow molding hollow forming machine which comprises a rack, the cooling structure comprises a draught fan, an evacuation box, a first evacuation groove and a second evacuation groove, the draught fan and the evacuation box are fixedly connected with the supporting frame, an exhaust outlet of the draught fan extends into a cavity of the evacuation box, and the first evacuation groove and the second evacuation groove which are distributed in a crossed mode are formed in the two opposite side wall faces of the evacuation box correspondingly; air is fed into the evacuation cavity from the air inlet window through the draught fan and then exhausted from the first evacuation grooves and the second evacuation grooves, due to the fact that the first evacuation grooves and the second evacuation grooves are obliquely formed and distributed in a staggered and crossed mode, air can be alternately blown to the middle position of the conveying belt from the two sides, bottles can roll on the conveying belt, and therefore the bottle evacuation efficiency is improved. By means of the two-side alternate blowing mode, the bottles can be kept in the middle of the conveying belt, and later transferring and packaging are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bottle production, especially to a plastic bottle blow molding hollow forming machine. BACKGROUND

[0002] The plastic bottle is mainly made of polyethylene or polypropylene and a plurality of organic solvents, has different specifications and shapes, and needs to be blow molded by a plastic bottle blow molding machine during production and processing.

[0003] The prior art discloses a plastic bottle blow molding cooling mechanism (publication number; CN221365798U), which comprises a workbench, a blow molding assembly, a traveling assembly and a cooling assembly.

[0004] In the prior art, air is blown to the transported bottles by a fan to achieve cooling and shaping of the bottles, but the air blown by the fan is single and fixed, and the bottles are transported on a conveying belt, which makes it difficult to turn over the bottles to achieve uniform cooling.

[0005] Therefore, the utility model provides a plastic bottle blow molding hollow forming machine. UTILITY MODEL CONTENTS

[0006] The utility model mainly solves the technical problem that the bottles are difficult to turn over to cause uneven cooling, and provides a plastic bottle blow molding hollow forming machine.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a plastic bottle blow molding hollow forming machine, comprising:

[0008] A rack is provided with a mold, the mold comprises a movable mold and a fixed mold which can be close to each other, and a conveying belt is arranged on the rack;

[0009] A support frame is fixedly arranged on the top of the rack and forms a heat dissipation channel on the conveying belt;

[0010] The cooling structure is arranged on the wall surface of the support frame and is used for blowing air to the workpiece moving on the conveying belt, and the cooling structure comprises a fan, a diffusion box, a first diffusion groove and a second diffusion groove, the fan and the diffusion box are fixedly connected with the support frame, the diffusion box has a cavity, an air outlet of the fan extends into the cavity of the diffusion box, and opposite two side wall surfaces of the diffusion box are respectively provided with the first diffusion groove and the second diffusion groove which are cross-distributed, and air can be discharged from the first diffusion groove and the second diffusion groove to blow to the workpiece.

[0011] As a preferred mode of the utility model, the diffusion box forms a U-shaped box structure, and the two side wall surfaces of the diffusion box abut against the two side wall surfaces of the support frame.

[0012] As a preferred mode of the utility model, the first diffusion groove and the second diffusion groove are both rectangular notches, the first diffusion groove and the second diffusion groove are both in communication with the cavity of the fan, and the first diffusion groove and the second diffusion groove are arranged alternately.

[0013] As a preferred mode of the utility model, the diffusion box is provided with an air inlet window at the top, and the air outlet of the fan extends into the cavity of the diffusion box through the air inlet window.

[0014] As a preferred mode of the utility model, the diffusion box has inner and outer wall surfaces, a U-shaped diffusion cavity is formed between the inner and outer wall surfaces of the diffusion box, and the diffusion box forms the cavity through the diffusion cavity.

[0015] As a preferred mode of the utility model, the support frame forms a U-shaped rod structure, the fan is fixedly installed at the top of the support frame, and the diffusion box is fixedly installed at the bottom of the support frame.

[0016] As a preferred mode of the utility model, two push cylinders are fixedly arranged at the top of the rack, and the fixed mold and the movable mold are fixedly installed with the output shafts of the two push cylinders.

[0017] The utility model provides a kind of plastic bottle blow molding hollow forming machine.There is following beneficial effect:

[0018] 1.The plastic bottle blow molding hollow forming machine produces bottle, for example, circular plastic bottle, air is sent into diffusion cavity from air inlet window by fan, then is discharged from multiple first diffusion groove and second diffusion groove, since first diffusion groove and second diffusion groove are inclined to set, plus the layout of staggered cross distribution, can alternately blow gas from both sides to the middle position of conveying belt, so that bottle can roll on conveying belt, promote bottle to turn over, in turn guarantee the cooling and setting effect of air to bottle, help bottle to blow molding fast setting finished product, for actual production is more beneficial, the mode of alternating blowing of both sides, also can make bottle keep in the middle position of conveying belt, facilitate later transfer packing.

[0019] 2. The plastic bottle blow molding machine, through setting up the support frame of door arch shape, when the conveying belt carries the formed bottle passes through the heat dissipation passage formed at the bottom of the support frame, air is blown into the heat dissipation passage to promote the bottle setting, the support frame can form the relatively sealed heat dissipation passage, and the air guidance is better. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is one of overall perspective view of the utility model;

[0021] Figure 2 It is second overall perspective view of the utility model;

[0022] Figure 3 It is the perspective view of cooling structure of the utility model;

[0023] Figure 4 It is the perspective view of the utility model's dispersing box;

[0024] Figure 5 It is the partial cutaway view of the utility model's dispersing box.

[0025] Legend: 10, rack;11, mold;12, support frame;20, fan;21, dispersing box;22, air inlet window;23, first dispersing groove;24, second dispersing groove;25, dispersing cavity. DETAILED DESCRIPTION

[0026] A plastic bottle blow molding machine, as shown in Figure 1 and Figure 2 , comprising:

[0027] Rack 10, rack 10 is provided with mold 11, mold 11 includes movable mold and fixed mold that can be close to each other, rack 10 is provided with conveying belt, the top of rack 10 is fixedly provided with two push cylinders, the fixed mold and movable mold are fixedly installed with the output shafts of two push cylinders, the top of rack 10 is also fixedly provided with telescopic rods, the fixed mold and movable mold are fixedly connected with the output shafts of two telescopic rods, two push cylinders are used to drive movable mold and fixed mold, so that movable mold and fixed mold can be closed, movable mold and fixed mold build forming cavity together, of course, the side wall of movable mold or fixed mold should be provided with blow molding port, raw materials are put into forming cavity, movable mold and fixed mold are closed, air is blown into forming cavity through blow molding port to make raw materials form plastic bottles, which is prior art known, and will not be repeated here.

[0028] As shown in Figure 2As shown, the support frame 12 is fixedly arranged on the top of the rack 10 and forms a heat dissipation channel on the conveying belt, the support frame 12 forms a U-shaped rod structure, the fan 20 is fixedly installed on the top of the support frame 12, and the dispersion box 21 is fixedly installed on the bottom of the support frame 12. By arranging the support frame 12 in the shape of a door arch, when the conveying belt carries the formed bottle through the heat dissipation channel formed at the bottom of the support frame 12, it is convenient to blow air into the heat dissipation channel to promote the bottle to be shaped. The support frame 12 can form a relatively sealed heat dissipation channel, and the air guidance is better.

[0029] As shown in Figure 3 , Figure 4 and Figure 5 , the cooling structure is arranged on the wall surface of the support frame 12 for blowing air to the workpiece moving on the conveying belt. The cooling structure includes a fan 20, a dispersion box 21, a first dispersion groove 23 and a second dispersion groove 24. The fan 20 and the dispersion box 21 are fixedly connected with the support frame 12. The dispersion box 21 has a cavity. The air outlet of the fan 20 extends into the cavity of the dispersion box 21. The opposite two side walls of the dispersion box 21 are respectively provided with the first dispersion groove 23 and the second dispersion groove 24 which are cross-distributed. Air flow can be discharged from the first dispersion groove 23 and the second dispersion groove 24 to blow to the workpiece. The dispersion box 21 forms a U-shaped box structure. The two side walls of the dispersion box 21 respectively abut against the two side walls of the support frame 12. The first dispersion groove 23 and the second dispersion groove 24 are both rectangular slots. The first dispersion groove 23 and the second dispersion groove 24 are both in communication with the cavity of the fan 20. The first dispersion groove 23 and the second dispersion groove 24 are arranged alternately. The top of the dispersion box 21 is provided with an air inlet window 22. The air outlet of the fan 20 extends into the cavity of the dispersion box 21 through the air inlet window 22. The dispersion box 21 has inner and outer walls. A U-shaped dispersion cavity 25 is formed between the inner and outer walls of the dispersion box 21. The dispersion box 21 forms a cavity through the dispersion cavity 25;

[0030] In this scheme, the produced bottle is taken as a circular plastic bottle. Air is sent into the dispersion cavity 25 from the air inlet window 22 by the fan 20 and then discharged from the plurality of first dispersion grooves 23 and second dispersion grooves 24. Since the first dispersion grooves 23 and the second dispersion grooves 24 are inclinedly arranged and cross-distributed, air can be alternately blown from both sides to the middle position of the conveying belt, so that the bottle can roll on the conveying belt, the bottle is turned over, and the cooling and shaping effect of air on the bottle is ensured. This is helpful for the bottle to be quickly shaped after blow molding and is more beneficial to actual production.

[0031] The utility model discloses a working principle: two push the cylinder and push the fixed mould, make the dynamic mode and fixed mould can close, and the dynamic mode and fixed mould co -build forming cavity, of course, the sidewall of dynamic mode or fixed mould should set up blow -molding mouth, put raw materials into the forming cavity, and the dynamic mode and fixed mould close, blow gas to the forming cavity through blow -molding mouth and make raw materials form plastic bottle, after the dynamic mode fixed mould separates, the bottle after forming falls on the conveyer belt, and is sent to the specified position through the conveyer belt;

[0032] The support frame 12 in the door arch shape is arranged, when the conveyer belt conveys the bottle after forming passes through the heat dissipation channel formed at the bottom of the support frame 12, air is blown into the heat dissipation channel to promote the bottle shaping, taking the round plastic bottle as an example, air is sent into the dispersing cavity 25 from the air inlet window 22 through the fan 20, and then is discharged from the multiple first dispersing grooves 23 and second dispersing grooves 24, since the first dispersing grooves 23 and second dispersing grooves 24 are obliquely arranged, and are distributed in staggered cross distribution, air is alternately blown from both sides to the middle position of the conveyer belt, so that the bottle can roll on the conveyer belt, the bottle is turned over, and the bottle can be uniformly cooled and shaped.

[0033] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic bottle blow molding machine characterized by, Include: Frame (10), the mold (11) is arranged on the frame (10), the mold (11) includes movable die and fixed die that can be close to each other, the frame (10) is provided with a conveying belt; Support frame (12), fixedly arranged on the top of the frame (10) and forms a heat dissipation channel on the conveying belt; Cooling structure, arranged on the wall surface of the support frame (12) for blowing the workpiece moving on the conveying belt, the cooling structure includes a fan (20), a dispersion box (21), a first dispersion groove (23) and a second dispersion groove (24), the fan (20) and the dispersion box (21) are fixedly connected with the support frame (12), the dispersion box (21) has a cavity, the exhaust port of the fan (20) extends into the cavity of the dispersion box (21), the opposite two side walls of the dispersion box (21) are respectively provided with the first dispersion groove (23) and the second dispersion groove (24) in cross distribution, airflow can be discharged from the first dispersion groove (23) and the second dispersion groove (24) and blown to the workpiece.

2. The plastic bottle blow molding machine according to claim 1, characterized in that: The dispersion box (21) forms a U-shaped box structure, and the two side walls of the dispersion box (21) abut against the two side walls of the support frame (12).

3. The plastic bottle blow molding machine according to claim 1, characterized in that: The first dispersion groove (23) and the second dispersion groove (24) are both rectangular slots, the first dispersion groove (23) and the second dispersion groove (24) are both in communication with the cavity of the fan (20), and the first dispersion groove (23) and the second dispersion groove (24) are arranged alternately.

4. The plastic bottle blow molding machine according to claim 1, characterized in that: The top of the dispersion box (21) is provided with an air inlet window (22), and the exhaust port of the fan (20) extends into the cavity of the dispersion box (21) through the air inlet window (22).

5. The plastic bottle blow molding machine according to claim 1, characterized in that: The dispersion box (21) has inner and outer walls, and a U-shaped dispersion cavity (25) is formed between the inner and outer walls of the dispersion box (21), and the dispersion box (21) forms a cavity through the dispersion cavity (25).

6. The plastic bottle blow molding machine of claim 1, wherein: The support frame (12) forms a U-shaped rod structure, the fan (20) is fixedly installed on the top of the support frame (12), and the dispersion box (21) is fixedly installed on the bottom of the support frame (12).

7. The plastic bottle blow molding machine according to claim 1, characterized in that: Two push cylinders are fixedly arranged on the top of the frame (10), and the fixed die and the movable die are fixedly installed on the output shafts of the two push cylinders.

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