Plastic bucket forming cooling device

Abstract

The utility model relates to the technical field of cooling devices, in particular to a plastic bucket forming and cooling device which comprises an operation table, an air inlet pipe is fixedly connected to the interior of the operation table, two guide columns are fixedly connected to the inner wall of the operation table, a sliding block is connected to each guide column in a sliding mode, and an air outlet pipe is fixedly connected between the two sliding blocks. A second connecting pipe is fixedly connected between the air outlet pipe and the air inlet pipe, a plurality of air nozzles are fixedly connected to the air outlet pipe, a hydraulic rod is fixedly connected to the interior of the operation table, and the telescopic end of the hydraulic rod is fixedly connected with one sliding block. Cold air blown out by an external air source flows into an air outlet pipe through an air inlet pipe and a second connecting pipe and then is evenly blown to the outer wall of the plastic bucket body through a plurality of air nozzles on the air outlet pipe, two sliding blocks drive the air outlet pipe and the air nozzles to move up and down, and therefore the upper half portion of the plastic bucket body is evenly cooled, and the service life of the plastic bucket body is prolonged. Therefore, the surface hardness is improved.

Description

Technical Field

[0001] This utility model relates to a cooling device for plastic buckets, specifically a plastic bucket molding and cooling device, belonging to the technical field of cooling devices. Background Technology

[0002] Plastic buckets are a common type of container widely used in daily life and industrial production. They are usually made of plastic materials such as polyethylene and polypropylene through processes such as blow molding, injection molding, vacuum forming, and rotational molding. After being processed and initially shaped in a mold, plastic buckets still retain a certain degree of thermoplasticity and elasticity. Therefore, a molding cooling device is often used to apply external pressure to achieve shaping and allow it to cool naturally. This releases internal stress, thereby preventing dimensional deviations and shape changes, and ensuring that the product meets dimensional accuracy requirements.

[0003] However, traditional molding and cooling devices typically place the freshly molded and still warm plastic buckets directly between the shaping fixtures of the equipment. Pressure is applied around the plastic buckets to shape their external structure, while natural cooling is used to release the internal stress. However, natural cooling relies on the heat dissipation of the surrounding environment, which is relatively slow and thus affects the production efficiency of plastic buckets, making it impractical. Utility Model Content

[0004] The purpose of this invention is to provide a plastic bucket molding and cooling device to solve the above problems. The device uses a hydraulic rod to move the air outlet pipe up and down, and the air outlet pipe is connected to an external air source, thereby achieving uniform air blowing and cooling of the plastic bucket body, resulting in a good cooling effect.

[0005] This utility model achieves the above-mentioned objective through the following technical solution: a plastic bucket molding cooling device, including an operating table, a cooling structure installed on the operating table, the cooling structure including an air inlet pipe, an air inlet pipe fixedly connected inside the operating table, two guide columns fixedly connected to the inner wall of the operating table, a slider slidably connected to each of the two guide columns, an air outlet pipe fixedly connected between the two sliders, a second connecting pipe fixedly connected between the air outlet pipe and the air inlet pipe, multiple air nozzles fixedly connected to the air outlet pipe, a hydraulic rod fixedly connected inside the operating table, and the telescopic end of the hydraulic rod fixedly connected to one of the sliders.

[0006] Preferably, the end of the air inlet pipe is connected to an external air source, and the air nozzle is connected to the internal cavity of the air outlet pipe.

[0007] Preferably, two air blowing seats are fixedly connected inside the operating table, and an air groove is opened inside the air blowing seat. A first connecting pipe is fixedly connected between the air blowing seat and the air inlet pipe.

[0008] Preferably, the air blowing seat has an inclined groove on the inner side, and the inclined groove is connected to the air groove.

[0009] Preferably, both sides of the operating table are provided with positioning structures, each positioning structure including two pairs of guide bars. Two guide bars are slidably connected to both sides of the operating table. An installation plate is fixedly connected between the two guide bars on the same side. A lead screw is rotatably connected to the installation plate. The center of the lead screw is threadedly connected to the side wall of the operating table. A second hydraulic cylinder is fixedly connected to the installation plate. A shaping plate is fixedly connected to the telescopic end of the second hydraulic cylinder.

[0010] Preferably, a connecting plate is fixedly connected between the two guide bars, the lead screw is rotatably connected to the connecting plate, and a knob is fixedly connected to one end of the lead screw near the outer side.

[0011] Preferably, the mounting plate has an "L" shape and the shaping plate has an "I" shape.

[0012] Preferably, the operating table abuts against the plastic bucket body, the two shaping plates are symmetrically arranged, and the inner side of each shaping plate abuts against the outer wall of the plastic bucket body.

[0013] Preferably, a clamping structure is installed at the top of the operating table. The clamping structure includes a mounting base, and a first hydraulic cylinder is fixedly connected to the upper surface of the mounting base. A pressure plate is fixedly connected to the telescopic end of the first hydraulic cylinder, and the bottom surface of the pressure plate abuts against the plastic bucket body.

[0014] Preferably, two support frames are fixedly connected to the operating table, and a guide rod is slidably connected to the support frame. The bottom end of the guide rod is fixedly connected to the pressure plate.

[0015] The beneficial effects of this utility model are as follows: an air inlet pipe is fixedly connected inside the operating table, two guide columns are fixedly connected to the inner wall of the operating table, a slider is slidably connected to each of the two guide columns, an air outlet pipe is fixedly connected between the two sliders, a second connecting pipe is fixedly connected between the air outlet pipe and the air inlet pipe, and multiple air nozzles are fixedly connected to the air outlet pipe. A hydraulic rod is fixedly connected inside the operating table, and the telescopic end of the hydraulic rod is fixedly connected to one of the sliders. During the shaping process of the plastic bucket body, since the air inlet pipe is connected to an external air source, the cold air blown out by the external air source flows through the air inlet pipe and the second connecting pipe to the inside of the air outlet pipe, and is then evenly blown onto the outer wall of the plastic bucket body by the multiple air nozzles on the air outlet pipe. At the same time, the hydraulic rod drives the two sliders to slide up and down along the guide columns, and the two sliders drive the air outlet pipe and air nozzles to move up and down, thereby achieving uniform cooling of the upper part of the plastic bucket body, thereby increasing its surface hardness. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between the operating table and the air blowing seat of this utility model;

[0018] Figure 3 for Figure 2 The enlarged schematic diagram of part A shown below;

[0019] Figure 4 This is a schematic diagram of the connection structure between the lead screw and the mounting plate of this utility model.

[0020] In the diagram: 1. Operating table; 2. Plastic bucket body; 3. Pressing structure; 301. Mounting base; 302. First hydraulic cylinder; 303. Pressure plate; 304. Support frame; 305. Guide rod; 4. Positioning structure; 401. Guide strip; 402. Connecting plate; 403. Mounting plate; 404. Lead screw; 405. Knob; 406. Second hydraulic cylinder; 407. Shaping plate; 5. Cooling structure; 501. Air inlet pipe; 502. First connecting pipe; 503. Air blowing seat; 504. Air groove; 505. Inclined groove; 506. Guide column; 507. Slider; 508. Air outlet pipe; 509. Second connecting pipe; 510. Air nozzle; 511. Hydraulic rod. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4As shown, a plastic bucket molding and cooling device includes an operating table 1, on which a cooling structure 5 is installed. An air inlet pipe 501 is fixedly connected to the inside of the operating table 1. Two guide pillars 506 are fixedly connected to the inner wall of the operating table 1. A slider 507 is slidably connected to each of the two guide pillars 506. An air outlet pipe 508 is fixedly connected between the two sliders 507. A second connecting pipe 509 is fixedly connected between the air outlet pipe 508 and the air inlet pipe 501. Multiple air nozzles 510 are fixedly connected to the air outlet pipe 508. A hydraulic rod 511 is fixedly connected inside the operating platform 1. The telescopic end of the hydraulic rod 511 is fixedly connected to one of the sliders 507. The end of the air inlet pipe 501 is connected to an external air source. The air nozzle 510 is connected to the internal cavity of the air outlet pipe 508. Two air blowing seats 503 are fixedly connected inside the operating platform 1. An air groove 504 is opened inside the air blowing seat 503. A first connecting pipe 502 is fixedly connected between the air blowing seat 503 and the air inlet pipe 501. The air blowing seat 503 has a groove 504 on its inner side. One side has an inclined groove 505, which is connected to the air groove 504. During the shaping process of the plastic bucket body 2, since the air inlet pipe 501 is connected to an external air source, the cold air blown out by the external air source flows through the air inlet pipe 501 and the second connecting pipe 509 to the interior of the air outlet pipe 508. Then, multiple air nozzles 510 on the air outlet pipe 508 blow the air evenly onto the outer wall of the plastic bucket body 2. At the same time, the hydraulic rod 511 drives two sliders 507 to slide up and down along the guide post 506. The two sliders 507 drive the air outlet pipe. The air nozzle 510 moves up and down, thereby achieving uniform cooling of the upper half of the plastic bucket body 2, thus increasing its surface hardness. At the same time, since the air blowing seats 503 on both sides of the bottom of the plastic bucket body 2 are connected to the air inlet pipe 501 through the first connecting pipe 502, and the air groove 504 opened inside the air blowing seat 503 is connected to the inclined groove 505, the cold air flowing from the air inlet pipe 501 into the air groove 504 will be blown out obliquely upward from the inclined groove 505, uniformly cooling the lower half of the plastic bucket body 2. The operation is simple and highly flexible.

[0023] As a technical optimization of this utility model, positioning structures 4 are provided on both sides of the operating table 1. Two guide bars 401 are slidably connected to both sides of the operating table 1. A mounting plate 403 is fixedly connected between the two guide bars 401 on the same side. A lead screw 404 is rotatably connected to the mounting plate 403. The center of the lead screw 404 is threadedly connected to the side wall of the operating table 1. A second hydraulic cylinder 406 is fixedly connected to the mounting plate 403. A shaping plate 407 is fixedly connected to the telescopic end of the second hydraulic cylinder 406. A connecting plate 402 is fixedly connected between the two guide bars 401. The lead screw 404 is rotatably connected to the connecting plate 402. A knob 405 is fixedly connected to the outer end of the lead screw 404. The mounting plate 403 has an "L" shape structure, and the shaping plate 407 has an "I" shape structure. The operating table 1 abuts against the plastic bucket body 2. The two shaping plates 407 are symmetrically arranged. The inner side of the shaping plate 407 abuts against the outer wall of the plastic bucket body 2. To adjust the distance between the shaping plates 407 on both sides of the operating table 1 according to the diameter of the plastic bucket body 2, simply rotate the knobs 405 on both sides of the operating table 1. The knobs 405 drive the lead screw 404 to rotate. Since the lead screw 404 is threadedly connected to the side wall of the operating table 1, the lead screw 404 drives the mounting plate 403 to move towards the center of the operating table 1. Because two guide strips 401 are fixedly connected to the mounting plate 403, the guide strips 401 slide against the side wall of the operating table 1 during the movement of the mounting plate 403, improving stability. The connecting plate 402 prevents the mounting plate 403 from falling off the side wall of the operating table 1. At this time, the mounting plate 403 drives the second hydraulic cylinder 406 and the shaping plate 407 to move towards the center of the operating table 1, thereby effectively adjusting the distance between the two shaping plates 407. This facilitates the extrusion and shaping of plastic bucket bodies 2 of different diameters, making it highly practical.

[0024] As a technical optimization of this utility model, a pressing structure 3 is installed on the top of the operating table 1. The pressing structure 3 includes a mounting base 301. A first hydraulic cylinder 302 is fixedly connected to the upper surface of the mounting base 301. A pressure plate 303 is fixedly connected to the telescopic end of the first hydraulic cylinder 302. The bottom surface of the pressure plate 303 abuts against the plastic bucket body 2. Two support frames 304 are fixedly connected to the operating table 1. A guide rod 305 is slidably connected to the support frame 304. The bottom end of the guide rod 305 is close to the pressure plate 303. The fixed connection is then established; then the first hydraulic cylinder 302 located on the top mounting base 301 drives the pressure plate 303 to move downward until the bottom surface of the pressure plate 303 abuts against the upper surface of the plastic bucket body 2. At this point, the plastic bucket body 2 can be effectively squeezed and shaped, which helps to distribute the internal stress more evenly and reduces the risk of the plastic bucket body 2 cracking or deforming in subsequent use due to stress concentration. At the same time, since the two guide rods 305 on the pressure plate 303 are slidably connected to the support frame 304, the stability of the pressure plate 303 during the downward movement is improved.

[0025] In use, the spacing between the shaping plates 407 on both sides of the operating table 1 is adjusted according to the diameter of the plastic bucket body 2. This is achieved by sequentially rotating the knobs 405 on both sides of the operating table 1. The knobs 405 drive the lead screw 404 to rotate. Since the lead screw 404 is threadedly connected to the side wall of the operating table 1, it moves the mounting plate 403 towards the center of the operating table 1. Because two guide strips 401 are fixedly connected to the mounting plate 403, the guide strips 401 slide against the side wall of the operating table 1 during the movement of the mounting plate 403, improving stability. The connecting plate 402 prevents the mounting plate 403 from falling off the side wall of the operating table 1. 3. The second hydraulic cylinder 406 and the shaping plate 407 are moved towards the center of the operating table 1, thereby effectively adjusting the distance between the two shaping plates 407. This facilitates the extrusion and shaping of plastic bucket bodies 2 of different diameters, making it highly practical. Then, the initially formed plastic bucket body 2 is placed between the two shaping plates 407. At this time, the second hydraulic cylinders 406 on both sides drive the two shaping plates 407 to move towards the center until the inner sides of the two shaping plates 407 abut against the outer wall of the plastic bucket body 2. Then, the first hydraulic cylinder 302 on the top mounting base 301 drives the pressure plate 303 to move downward until the bottom surface of the pressure plate 303 abuts against the upper surface of the plastic bucket body 2. This effectively extrudes and shapes the plastic bucket body 2, helping to distribute internal stress more evenly and reducing the risk of breakage or deformation during subsequent use due to stress concentration. Simultaneously, the sliding connection between the two guide rods 305 on the pressure plate 303 and the support frame 304 improves the stability of the pressure plate 303 during its downward movement. During the shaping process of the plastic bucket body 2, the air inlet pipe 501 is connected to an external air source, allowing cold air blown from the external source to flow through the air inlet pipe 501 and the second connecting pipe 509 to the interior of the air outlet pipe 508. The air is then evenly blown onto the outer wall of the plastic bucket body 2 by multiple air nozzles 510 on the air outlet pipe 508. The hydraulic rod 511 drives two sliders 507 to slide up and down along the guide post 506. The two sliders 507 drive the air outlet pipe 508 and the air nozzle 510 to move up and down, thereby achieving uniform cooling of the upper part of the plastic bucket body 2, thus increasing its surface hardness. At the same time, since the air blowing seats 503 on both sides of the bottom of the plastic bucket body 2 are connected to the air inlet pipe 501 through the first connecting pipe 502, and the air groove 504 opened inside the air blowing seat 503 is connected to the inclined groove 505, the cold air flowing from the air inlet pipe 501 into the air groove 504 will be blown out obliquely upward from the inclined groove 505, uniformly cooling the lower part of the plastic bucket body 2. The operation is simple and highly flexible.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for forming and cooling plastic drums, comprising an operating table (1), characterized in that: The operating platform (1) is provided with a cooling structure (5), the cooling structure (5) comprises an air inlet pipe (501), the inside of the operating platform (1) is fixedly connected with the air inlet pipe (501), two guide columns (506) are fixedly connected on the inner wall of the operating platform (1), one sliding block (507) is slidably connected on each of the two guide columns (506), an air outlet pipe (508) is fixedly connected between the two sliding blocks (507), a second connecting pipe (509) is fixedly connected between the air outlet pipe (508) and the air inlet pipe (501), a plurality of air nozzles (510) are fixedly connected on the air outlet pipe (508), a hydraulic rod (511) is fixedly connected in the operating platform (1), and the telescopic end of the hydraulic rod (511) is fixedly connected with one of the sliding blocks (507).

2. The device for forming and cooling a plastic bucket according to claim 1, wherein: The end of the air inlet pipe (501) is in communication with an external air source, and the air nozzles (510) are in communication with the internal cavities of the air outlet pipe (508).

3. The device for forming and cooling a plastic bucket according to claim 1, wherein: The inside of the operating platform (1) is fixedly connected with two air blowing seats (503), the air blowing seats (503) are provided with air grooves (504), and the air blowing seats (503) are fixedly connected with the first connecting pipes (502).

4. The apparatus according to claim 3, wherein: An inclined groove (505) is formed in the side of the air blowing seat (503) close to the inside, and the inclined groove (505) is in communication with the air groove (504).

5. The apparatus for forming and cooling a plastic bucket according to claim 3, wherein: Both sides of the operating platform (1) are provided with positioning structures (4), the positioning structures (4) comprise two pairs of guide strips (401), both sides of the operating platform (1) are slidably connected with two guide strips (401), the two guide strips (401) on the same side are fixedly connected with a mounting plate (403), the mounting plate (403) is rotatably connected with a lead screw (404), the center of the lead screw (404) is threadedly connected with the side wall of the operating platform (1), the mounting plate (403) is fixedly connected with a second hydraulic cylinder (406), and the telescopic end of the second hydraulic cylinder (406) is fixedly connected with a shaping plate (407).

6. A device for forming and cooling a plastic bucket according to claim 5, wherein: The two guide strips (401) are fixedly connected with a connecting plate (402), the lead screw (404) is rotatably connected with the connecting plate (402), and one end of the lead screw (404) close to the outside is fixedly connected with a knob (405).

7. The apparatus for forming and cooling a plastic bucket according to claim 5, wherein: The mounting plate (403) is in an "L" shape structure, and the shaping plate (407) is in an "I" shape structure.

8. The apparatus according to claim 7, wherein: The operating platform (1) is in contact with the plastic barrel body (2), the two shaping plates (407) are symmetrically arranged, and the inner sides of the two shaping plates (407) are in contact with the outer wall of the plastic barrel body (2).

9. A device for forming and cooling a plastic bucket according to claim 8, wherein: The top end of the operating platform (1) is provided with a pressing structure (3), the pressing structure (3) comprises a mounting seat (301), the upper surface of the mounting seat (301) is fixedly connected with a first hydraulic cylinder (302), the telescopic end of the first hydraulic cylinder (302) is fixedly connected with a pressing plate (303), and the bottom surface of the pressing plate (303) is in contact with the plastic barrel body (2).

10. The apparatus for forming and cooling a plastic bucket according to claim 9, wherein: The operation platform (1) is fixedly connected with two support frames (304), the support frames (304) are slidably connected with guide rods (305), and the bottom ends of the guide rods (305) are fixedly connected with the pressing plates (303).

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