A plastic granulation production line cooling water tank

Abstract

This utility model belongs to the field of plastic processing technology, specifically relating to a cooling water tank for a plastic granulation production line; it includes a first U-shaped tank with a U-shaped through groove on the left side; U-shaped expansion plates are slidably and sealed inside the U-shaped through groove, and sliding grooves are opened on the front and rear sides of the two U-shaped expansion plates; stabilizing blocks are slidably installed inside the four sliding grooves, with the two stabilizing blocks on the front and rear sides respectively fixedly connected to the inner wall of the U-shaped sealing groove on one side away from each other; a locking mechanism is installed on the front side of the first U-shaped tank to lock the position of the two second U-shaped tanks; this utility model has a simple and reasonable structure, and the cooling path length can be flexibly adjusted through the sliding structure during use to adapt to the cooling needs of different plastic melts, while also adapting to different workshop space layouts, without the need to replace the entire water tank, reducing site modification costs and effectively improving adaptability.

Description

Technical Field

[0001] This utility model belongs to the field of plastic processing technology, specifically relating to a cooling water tank for a plastic granulation production line. Background Technology

[0002] In the plastic granulation production process, the cooling water tank is a key piece of equipment for cooling and shaping the plastic melt after extrusion, and its cooling effect directly affects the size uniformity and physical properties of the plastic granules. Currently, most of the cooling water tanks used in existing plastic granulation production lines have a fixed length structure. For example, the cooling water tank for plastic granulation disclosed in Chinese Utility Model Patent Application No. CN201620634113.1 has a preset fixed length that cannot be adjusted according to actual production needs.

[0003] However, in actual plastic granulation production, the required cooling time varies significantly depending on the material or specifications of the plastic melt. For example, polyethylene melt crystallizes more slowly, requiring a longer cooling path to ensure sufficient solidification and shaping; while polypropylene melt crystallizes more quickly, and an excessively long cooling path can lead to over-cooling and brittleness of the plastic filaments, affecting the yield of subsequent pelletizing processes. Furthermore, the spatial layout of different production sites varies, and fixed-length cooling water tanks are difficult to adapt to diverse workshop layouts. Therefore, current plastic granulation production lines suffer from inflexible length adjustment and poor adaptability of their cooling water tanks, necessitating a cooling water tank with an adjustable length based on production needs and site conditions to solve these problems. Utility Model Content

[0004] The purpose of this utility model is to provide a cooling water tank for a plastic granulation production line. During use, the cooling path length can be flexibly adjusted through a sliding structure to adapt to the cooling needs of plastic melts of different materials. It can also adapt to different workshop space layouts without replacing the entire water tank, reducing site modification costs and effectively improving adaptability.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0006] A cooling water tank for a plastic granulation production line, comprising:

[0007] The first U-shaped groove has a U-shaped through groove on its left side;

[0008] Two U-shaped expansion plates are provided. The U-shaped expansion plates are distributed on the left and right sides and are slidably and sealed inside the U-shaped through groove. Sliding grooves are opened on both the front and rear sides of the two U-shaped expansion plates.

[0009] There are two second U-shaped grooves, which are symmetrically distributed from left to right. Each of the two second U-shaped grooves has a U-shaped sealing groove on the side closer to each other. Two U-shaped expansion plates extend into the two U-shaped sealing grooves on the side farther from each other and are slidably sealed to the U-shaped sealing grooves. Each of the two second U-shaped grooves has a sealing plate fixedly installed on the side farther from each other. One of the sealing plates has a drain pipe at the lower part on the side farther from the second U-shaped groove, and a valve is installed on the drain pipe. Stabilizing blocks are slidably assembled inside the four sliding grooves. The two stabilizing blocks on the front and rear sides are fixedly connected to the inner wall of the U-shaped sealing groove on the side farther from each other.

[0010] A locking mechanism is installed on the front side of the first U-shaped groove and is used to lock the positions of the two second U-shaped grooves.

[0011] As a preferred technical solution, four support columns are evenly distributed at the bottom of the first U-shaped trough, and two lockable casters are fixedly installed at the bottom of each of the two second U-shaped troughs.

[0012] As a preferred technical solution, the locking mechanism includes an assembly table, which is fixedly installed at the bottom front side of the first U-shaped groove. A first displacement groove is provided on the top of the assembly table, and a plurality of first insertion holes are evenly arranged at the bottom of the first displacement groove. A first opening communicating with the first U-shaped groove is provided on both the left and right sides of the assembly table.

[0013] The first U-shaped groove has two first limiting blocks slidably assembled in a left-right arrangement inside. Each of the two first limiting blocks has a sliding table fixedly installed on the side away from each other. Each of the two sliding tables has a second displacement groove on its top and a second opening on the side away from each other. Each of the two second displacement grooves has several second insertion holes arranged on its bottom inner wall. Each of the two second displacement grooves has a second limiting block slidably assembled inside. Each of the two second limiting blocks has a driving block fixedly installed on the side away from each other. Each of the two second U-shaped grooves has a connecting block fixedly installed on its front side. Each of the two driving blocks has two second openings extending out from the side away from each other and fixedly connected to the two connecting blocks. Each of the two driving blocks has several third insertion holes arranged on its top. Each of the two first limiting blocks and the two second limiting blocks has a fourth insertion hole on its top.

[0014] As a preferred technical solution, the top of the first U-shaped groove, the two second U-shaped grooves, and the two U-shaped expansion plates are all arranged in a front-to-back pattern with a number of first threaded connection holes, and the top of the first U-shaped groove and the two second U-shaped grooves are provided with a number of wire guide mechanisms.

[0015] As a preferred technical solution, the conductor mechanism includes two slotted connectors, which are arranged in a front-to-back manner. Each of the two slotted connectors has an assembly plate fixedly installed on the side away from each other. Each of the two assembly plates has a second threaded hole on its top. Each of the two slotted connectors has a displacement block slidably mounted inside it. Each of the two displacement blocks has a conductor roller mounted on the side close to each other and rotating together. Each of the two slotted connectors has several third threaded holes arranged vertically on its right side. Each of the two displacement blocks is fixedly connected to the slotted connector by bolts.

[0016] The beneficial effects of this utility model are:

[0017] 1. Strong adaptability of cooling length: The sliding structure allows for flexible adjustment of the cooling path length to meet the cooling needs of different plastic melts and to adapt to different workshop layouts. It eliminates the need to replace the entire water tank, reducing site modification costs.

[0018] 2. Convenient and reliable locking operation: The locking method uses a pin to connect multiple sets of holes, which does not require complicated tools. The first and second stage segmented fixing can accurately position the length, and after locking, it can effectively prevent the tank from shifting due to water flow impact and vibration.

[0019] 3. Flexible and adaptable wire guide mechanism: The installation position of the wire guide mechanism can be adjusted according to the length of the water tank by means of the first threaded connection hole. Combined with the height adjustment function of the wire guide roller, it can stably guide the conveying of plastic wires of different thicknesses and avoid friction damage.

[0020] 4. Good sealing and sliding stability: The sliding and sealing connection between the U-shaped expansion plate and the U-shaped through groove and the U-shaped sealing groove, together with the sealing plate, can prevent cooling water leakage; the cooperation between the stabilizing block and the sliding groove ensures that the sliding process of the groove is smooth and without jamming.

[0021] 5. High operating efficiency: The overall operation requires no professional skills. Length adjustment, locking, and wire mechanism assembly are all simple and quick, which can effectively improve the work efficiency of the staff. In addition, the design of the locking universal wheel makes it easy to move the second U-shaped channel. Attached Figure Description

[0022] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective;

[0025] Figure 3 This is a schematic diagram of the assembly of the U-shaped expansion plate and the second U-shaped groove of this utility model;

[0026] Figure 4This is a schematic diagram of the first U-shaped groove structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the second U-shaped groove structure of this utility model;

[0028] Figure 6 This is a schematic diagram of the locking mechanism structure of this utility model. Figure 1 ;

[0029] Figure 7 This is a schematic diagram of the locking mechanism structure of this utility model. Figure 2 .

[0030] Reference numerals: First U-shaped groove 1, U-shaped through groove 11, U-shaped extension plate 2, sliding groove 21, Second U-shaped groove 3, U-shaped sealing groove 31, sealing plate 32, drain pipe 33, stabilizing block 34, locking mechanism 4, assembly table 41, first displacement groove 42, first insertion hole 43, first opening 44, first limiting block 45, sliding table 46, second displacement groove 47, second opening 471, second insertion hole 48, second limiting block 49, driving block 491, connecting block 492, third insertion hole 493, fourth insertion hole 494, support column 501, locking universal wheel 51, first threaded connection hole 5, wire guide mechanism 6, grooved connector 61, assembly plate 62, displacement block 63, wire guide roller 64, third threaded hole 65. Detailed Implementation

[0031] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] like Figure 1-7 As shown, the present invention provides a cooling water tank for a plastic granulation production line, comprising:

[0033] The first U-shaped groove 1 has a U-shaped through groove 11 on its left side;

[0034] Two U-shaped expansion plates 2 are provided. The U-shaped expansion plates 2 are distributed on the left and right and are slidably and sealed inside the U-shaped through groove 11. Sliding grooves 21 are provided on the front and rear sides of the two U-shaped expansion plates 2.

[0035] There are two second U-shaped grooves 3, which are symmetrically distributed from left to right. Each of the two second U-shaped grooves 3 has a U-shaped sealing groove 31 on the side closer to each other. The two U-shaped expansion plates 2 extend into the two U-shaped sealing grooves 31 on the side away from each other and are slidably sealed to the U-shaped sealing grooves 31. Each of the two second U-shaped grooves 3 has a sealing plate 32 fixedly installed on the side away from each other. One of the sealing plates 32 has a drain pipe 33 at the lower part on the side away from the second U-shaped groove 3, and a valve is installed on the drain pipe 33. Each of the four sliding grooves 21 has a slidably fitted stabilizing block 34 inside. The two stabilizing blocks 34 on the front and rear sides are fixedly connected to the inner wall of the U-shaped sealing groove 31 on the side away from each other.

[0036] Locking mechanism 4 is installed on the front side of the first U-shaped groove 1 and is used to lock the positions of the two second U-shaped grooves 3.

[0037] When using the device, depending on the crystallization characteristics of different plastic melts and the spatial layout requirements of the production site, first loosen the locking mechanism 4. If it is necessary to adapt to the longer cooling requirements of plastic melts with slow crystallization speeds, such as polyethylene, or to a narrow and long site, the second U-shaped grooves 3 on both sides can be pushed to move away from the first U-shaped groove 1. In the initial sliding state, the second U-shaped grooves 3 on both sides move away from the first U-shaped groove 1 without displacing the two U-shaped expansion plates 2. Taking one side as an example, after the second U-shaped groove 3 moves away from the first U-shaped groove 1, the U-shaped expansion plate 2 will be exposed, and the U-shaped expansion plate 2 will be used to ensure the sealing effect. As the sliding continues, after the stabilizing block 34 abuts against the inner wall of the slide 21, it can drive the U-shaped expansion plate 2 to extend out of the U-shaped through groove 11 and continue to extend the production line. At this time, it is the second-level sliding state. At the same time, the cooperation between the slide 21 and the stabilizing block 34 further ensures smooth sliding. The operation is simple and convenient.

[0038] If it is necessary to adapt to the shorter cooling requirements of fast-crystallizing plastic melts such as polypropylene or to a compact site, the two second U-shaped troughs 3 can be pushed in the opposite direction to move closer to the first U-shaped trough 1, so that the U-shaped extension plate 2 retracts to the overlapping area of ​​the U-shaped through groove 11 and the U-shaped sealing groove 31. After reaching the target length, the relative positions of the first U-shaped trough 1 and the second U-shaped trough 3 are locked by the locking mechanism 4 to prevent the trough from shifting due to water flow impact or vibration during use. Then, cooling water is injected into the combined trough. The plastic wire enters the cooling water from one end of the trough to complete the cooling and is then discharged from the other end. After the operation is completed, the wastewater in the trough can be discharged through the drain pipe 33. The sealing plate 32 ensures the sealing of both ends of the trough.

[0039] This allows for precise adaptation to the cooling requirements of different materials, extending or shortening the cooling path to ensure that the plastic filaments are fully cured and shaped or to avoid over-cooling and becoming brittle, thereby improving the yield of subsequent pelletizing processes. At the same time, it can flexibly adapt to diverse workshop space layouts without replacing the entire water tank, reducing site renovation costs. Furthermore, the sliding and sealing connection between the U-shaped expansion plate 2, the U-shaped through groove 11, and the U-shaped sealing groove 31, along with the sealing plate 32, ensures good sealing and no cooling water leakage during adjustment and use. The cooperation between the stabilizing block 34 and the sliding groove 21 ensures the smoothness of sliding adjustment and avoids jamming and deviation. The overall operation requires no complex tools or professional skills, resulting in high adjustment efficiency and low labor intensity.

[0040] The bottom of the first U-shaped channel 1 is evenly equipped with four support columns 501, and the bottom of each of the two second U-shaped channels 3 is fixedly equipped with two lockable casters 51. In this way, when in use, the four lockable casters 51 and the four support columns 501 together provide support for the first U-shaped channel 1 and the second U-shaped channel 3, and also facilitate the movement of the second U-shaped channel 3.

[0041] In the initial state, the pin passes through the third insertion hole 493, the second insertion hole 48, and the first insertion hole 43 simultaneously, so that the first limiting block 45 and the second limiting block 49 cannot slide. The insertion rod can be a pin that matches the diameter of the third insertion hole 493, the second insertion hole 48, the first insertion hole 43, and the fourth insertion hole 494 in the existing technology. The two second U-shaped grooves 3 are close to the first U-shaped groove 1 and cannot be displaced. When it is necessary to release the lock, the insertion of the pin is released.

[0042] As the two second U-shaped grooves 3 move away from each other, the two second limiting blocks 49 will move away from each other and gradually extend the two second openings 471. After adjusting to the appropriate position, locking can be completed by inserting the pin into the third insertion hole 493, the second insertion hole 48, and the first insertion hole 43. The second limiting block 49 can prevent the two connecting blocks 492 from fully extending out of the second displacement groove 47, thus playing a limiting role. The fourth insertion hole 494 can also be inserted into the second insertion hole 48 and the first insertion hole 43 for distance adjustment.

[0043] During the secondary adjustment, as the two second U-shaped grooves 3 move further apart, the two connecting blocks 492 drive the two sliding tables 46 to extend out of the two first openings 44 respectively through the two second limiting blocks 49. The two first limiting blocks 45 also play a limiting role. After adjusting to the appropriate distance, the fourth insertion hole 494 is connected to the second insertion hole 48 by using a pin, and the second insertion hole 48 is connected to the first insertion hole 43 by using a pin to complete the segmented fixing. In this way, the positions of the two second U-shaped grooves 3 are locked. The operation is simple and convenient. The fixing is done by using a pin to connect, without the need for additional operation. It can effectively improve the work efficiency of the staff and the locking is reliable.

[0044] The top of the first U-shaped groove 1, the two second U-shaped grooves 3, and the two U-shaped expansion plates 2 are all arranged in a front-to-back pattern and have several first threaded connection holes 5. The top of the first U-shaped groove 1 and the two second U-shaped grooves 3 are provided with several wire guide mechanisms 6.

[0045] First, based on the total length of the cooling water tank after adjustment, align the wire guide mechanism 6 with the first threaded connection hole 5 corresponding to the top of the first U-shaped groove 1, the second U-shaped groove 3, or the U-shaped extension plate 2, and then use bolts to complete the fixed assembly. This assembly method facilitates the disassembly and assembly of the wire guide mechanism, and the installation is simple and convenient.

[0046] The wire guide mechanism 6 includes two slotted connectors 61, which are arranged in a front-to-back manner. Each slotted connector 61 has an assembly plate 62 fixedly installed on one side away from each other. Each assembly plate 62 has a second threaded hole on its top. Each slotted connector 61 has a displacement block 63 slidably mounted inside it. Each displacement block 63 has a wire guide roller 64 mounted on one side close to each other and rotating together. Each slotted connector 61 has several third threaded holes 65 arranged vertically on its right side. Each displacement block 63 is fixedly connected to the slotted connector 61 by bolts.

[0047] In use, first, align the two mounting plates 62 of the wire guide mechanism 6 with the corresponding first threaded connection holes 5 at the top of the first U-shaped groove 1, the second U-shaped groove 3, or the U-shaped extension plate 2 through their second threaded holes, and fix the mounting plates 62 to the groove with bolts; then, according to the required conveying height of the plastic wire, slide the displacement block 63 in the sliding groove connector 61 to drive the wire guide roller 64 to adjust to a suitable height, and then pass the bolt through the displacement block 63 and screw it into the third threaded hole 65 at the corresponding height on the right side of the groove connector 61 to complete the fixing of the displacement block 63; when the plastic wire is cooled and conveyed, place the plastic wire on the wire guide roller 64, and use the rotation of the wire guide roller 64 to guide the plastic wire to move smoothly along the cooling water tank. In this way, with the help of the distribution of the first threaded connection holes 5, the wire guide mechanism 6 can flexibly select the installation position according to the adjusted length of the water tank, ensuring that it can always stably guide the conveying of the plastic wire and adapt to cooling paths of different lengths.

[0048] The device is used as follows:

[0049] In use, first, according to the material of the plastic melt and the layout requirements of the production site, release the pin of the locking mechanism 4 and pull out the pin that passes through the third insertion hole 493, the second insertion hole 48, and the first insertion hole 43. If it is necessary to extend the cooling path, push the second U-shaped grooves 3 on both sides to move away from the first U-shaped groove 1: in the initial sliding stage, the second U-shaped groove 3 moves to expose the U-shaped extension plate 2. After the stabilizing block 34 abuts against the inner wall of the slide trough 21, it enters the second sliding stage, which drives the U-shaped extension plate 2 to extend out of the U-shaped through groove 11. If it is necessary to shorten the cooling path, push the second U-shaped groove 3 in the opposite direction, so that the U-shaped extension plate 2 retracts to the overlapping area of ​​the U-shaped through groove 11 and the U-shaped sealing groove 31. After the length of the cooling water tank is adjusted to the target position, lock it through the locking mechanism 4: when adjusting the first distance, insert the pin into the third insertion hole 493. Second insertion hole 48, first insertion hole 43; during secondary adjustment, after the sliding table 46 extends out of the first opening 44, use pins to insert the fourth insertion hole 494 into the second insertion hole 48, and the second insertion hole 48 into the first insertion hole 43 respectively to complete the segmented fixing; then, according to the adjusted water tank length, align the assembly plate 62 of the wire guide mechanism 6 with the first threaded connection hole 5 at the top of the first U-shaped trough 1, the second U-shaped trough 3, or the U-shaped extension plate 2 through the second threaded hole, and fix it with bolts; then slide the displacement block 63 in the sliding groove connector 61, adjust the wire guide roller 64 to a suitable height, and screw the bolt into the third threaded hole 65 at the corresponding height to complete the fixing; finally, inject cooling water into the tank, put the plastic wire on the wire guide roller 64, guide it to cool along the water tank and then discharge it; after the operation is completed, discharge the wastewater through the drain pipe 33 and close the valve.

[0050] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A cooling water tank for a plastic granulation production line, characterized in that: include The first U-shaped groove (1) has a U-shaped through groove (11) on its left side; Two U-shaped expansion plates (2) are provided. The U-shaped expansion plates (2) are distributed on the left and right sides and are slidably sealed inside the U-shaped through groove (11). The front and rear sides of the two U-shaped expansion plates (2) are provided with sliding grooves (21). There are two second U-shaped grooves (3). The two second U-shaped grooves (3) are symmetrically distributed on the left and right. U-shaped sealing grooves (31) are opened on the side of the two second U-shaped grooves (3) that are close to each other. The two U-shaped expansion plates (2) extend into the two U-shaped sealing grooves (31) respectively on the side away from each other and are slidably sealed to the U-shaped sealing grooves (31). Sealing plates (32) are fixedly installed on the side of the two second U-shaped grooves (3) that are far from each other. A drain pipe (33) is provided on the lower part of the side of one of the sealing plates (32) that is far from the second U-shaped groove (3). A valve is provided on the drain pipe (33). Stabilizing blocks (34) are slidably assembled inside the four sliding grooves (21). The two stabilizing blocks (34) on the front and rear sides are fixedly connected to the inner wall of the U-shaped sealing groove (31) respectively on the side away from each other. Locking mechanism (4) is installed on the front side of the first U-shaped groove (1) and is used to lock the positions of the two second U-shaped grooves (3).

2. The cooling water tank of a plastic granulation production line according to claim 1, characterized in that: The bottom of the first U-shaped channel (1) is evenly equipped with four support columns (501), and the bottom of the two second U-shaped channels (3) is fixedly installed with two lockable casters (51).

3. The cooling water tank of a plastic granulation production line according to claim 1, characterized in that: The locking mechanism (4) includes an assembly table (41), which is fixedly installed at the bottom front side of the first U-shaped groove (1). The top of the assembly table (41) is provided with a first displacement groove (42), and the bottom of the first displacement groove (42) is provided with a plurality of first insertion holes (43) evenly arranged. The left and right sides of the assembly table (41) are provided with first openings (44) that communicate with the first U-shaped groove (1). The first U-shaped groove (1) has two first limiting blocks (45) slidably assembled in a left-right arrangement inside. Each of the two first limiting blocks (45) has a sliding table (46) fixedly installed on the side away from each other. Each of the two sliding tables (46) has a second displacement groove (47) on its top and a second opening (471) on the side away from each other. Each of the two second displacement grooves (47) has several second insertion holes (48) arranged on the bottom inner wall. Each of the two second displacement grooves (47) has a second limiting block (49) slidably assembled inside. Two second limiting blocks (49) are fixedly installed with driving blocks (491) on the side away from each other. Two second U-shaped grooves (3) are fixedly installed with connecting blocks (492) on the front side. Two driving blocks (491) extend out of two second openings (471) on the side away from each other and are fixedly connected to the two connecting blocks (492). Several third insertion holes (493) are arranged on the top of the two driving blocks (491). Four insertion holes (494) are opened on the top of the two first limiting blocks (45) and the two second limiting blocks (49).

4. The cooling water tank of a plastic granulation production line according to claim 1, characterized in that: The top of the first U-shaped groove (1), the two second U-shaped grooves (3) and the two U-shaped expansion plates (2) are arranged in a front-to-back pattern with several first threaded connection holes (5). The top of the first U-shaped groove (1) and the two second U-shaped grooves (3) are provided with several wire guide mechanisms (6).

5. The cooling water tank of a plastic granulation production line according to claim 4, characterized in that: The wire guide mechanism (6) includes two slotted connectors (61), which are arranged in a front-to-back manner. Each slotted connector (61) has a mounting plate (62) fixedly installed on the side away from each other. Each mounting plate (62) has a second threaded hole on its top. Each slotted connector (61) has a displacement block (63) slidably mounted inside. Each displacement block (63) has a wire guide roller (64) rotatably mounted on the side close to each other. Each slotted connector (61) has several third threaded holes (65) arranged vertically on its right side. Each displacement block (63) is fixedly connected to the slotted connector (61) by bolts.

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