WO2023060630A1 - 塑料造粒生产线及其配备的料棒冷却水槽 - Google Patents

塑料造粒生产线及其配备的料棒冷却水槽 Download PDF

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Publication number
WO2023060630A1
WO2023060630A1 PCT/CN2021/124526 CN2021124526W WO2023060630A1 WO 2023060630 A1 WO2023060630 A1 WO 2023060630A1 CN 2021124526 W CN2021124526 W CN 2021124526W WO 2023060630 A1 WO2023060630 A1 WO 2023060630A1
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WIPO (PCT)
Prior art keywords
cooling
cooling box
water tank
drainage
production line
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PCT/CN2021/124526
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English (en)
French (fr)
Inventor
许斌
林英
梅仲
李俊峰
赖真红
陈佰年
许素萍
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海啊科技有限公司
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Application filed by 海啊科技有限公司 filed Critical 海啊科技有限公司
Priority to ZA2021/08435A priority Critical patent/ZA202108435B/en
Publication of WO2023060630A1 publication Critical patent/WO2023060630A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion

Definitions

  • the invention relates to plastic granulation technology, in particular to a plastic granulation production line and a rod cooling water tank equipped therewith.
  • Pellet is a kind of raw material for plastic molding, which is generally produced by plastic granulation production line.
  • Plastic production line includes feeder, extruder, cooling tank, and pelletizer.
  • the feeder transports the raw materials for making pellets to the extruder, and the extruder extrudes the rod through the die head at the front end. After the rod is cooled by the cooling water tank, it is cut into pellets by the pelletizer.
  • the cooling water tank is usually in the shape of a cuboid. Due to the high temperature of the material rod extruded by the extruder, in order to meet the cooling requirements, the length of the water tank is usually long (generally about 3 meters), which requires a large site area . However, at a time when land resources are scarce, land transaction prices are skyrocketing, and the government advocates judging heroes by yield per mu (that is, the output value per unit of land area), this traditional cooling method can no longer meet production needs. Therefore, it is necessary to develop a rod cooling water tank for plastic granulation production lines with a small footprint to meet the actual needs.
  • the present invention provides a plastic granulation production line
  • the cooling water tank equipped with the production line has the advantages of high cooling efficiency and small footprint.
  • the present invention also provides a material rod cooling water tank for a plastic granulation production line.
  • the water tank has high cooling efficiency and a small footprint, which overcomes the long length of the cooling water tank and the large footprint in the prior art, which cannot Adapt to real-world needs.
  • the present invention provides the following technical solutions:
  • a plastic granulation production line includes a feeder, an extruder, a rod cooling water tank and a granulator arranged in sequence;
  • the rod cooling water tank includes a water tank body, and a cooler is arranged below the water tank body;
  • the cooler It includes a cooling box, the cooling box has a circulating water inlet and a circulating water outlet, the circulating water inlet communicates with the water outlet on the water tank body, and the circulating water outlet communicates with the water inlet on the water tank body through a pump;
  • the upper side of the cooling box is provided with an upper cooling air duct, correspondingly, the surface of the upper side plate of the cooling box is provided with a group of upper cooling fins distributed along the length direction of the cooling box;
  • the lower side of the cooling box A lower heat dissipation air duct is provided, and correspondingly, a set of lower heat dissipation fins distributed along the length direction of the cooling box is provided on the surface of the lower side plate of the cooling box; the
  • a cooler is provided under the cooling water tank body, the circulating water inlet on the cooler communicates with the water outlet on the water tank body, the circulating water outlet communicates with the water inlet on the water tank body through a pump, and the cooler
  • the upper and lower sides of the tank are equipped with cooling channels and cooling fins, in which the cooling air channel is connected with the fan through the air distributor.
  • the fan works to blow cold air into the cooling air duct to exchange heat with the cooling fins and take away the heat, so that the water in the tank can quickly dissipate heat.
  • the length of the cooling water tank in the present invention can be designed to be shorter to achieve the purpose of reducing the occupied area to meet the actual requirements.
  • a group of drainage partitions are provided inside the cooling box, and the drainage partitions are divided into A drainage partitions and B drainage partitions; the front end of the A drainage partitions It abuts against the front side plate of the cooling box, and there is an A gap for fluid circulation between the rear end of the A drainage partition and the rear side plate of the cooling box; the rear end of the B drainage partition and the cooling box The rear side plate of the cooling box is in contact with each other, and there is a B gap for fluid circulation between the front end of the drainage partition and the front side plate of the cooling box; the A drainage partition and the B drainage partition are arranged alternately to form a wave-shaped flow channel, The circulating water inlet and the circulating water outlet are respectively arranged at two ends of the wave-shaped flow channel.
  • the circulating water flows along the wavy flow path in the cooler, and the flow path is long, which can fully transfer the heat out, further improving the heat dissipation efficiency of the water in the water tank, thereby improving the cooling effect on the rod, Furthermore, the length of the cooling water tank can be further shortened, and the occupied area can be saved.
  • the water inlet on the water tank body is located at the end close to the pelletizer, and the water outlet on the water tank body is located at the end close to the extruder. Therefore, the water temperature at the end near the extruder in the water tank body is higher than the water temperature at the end near the pelletizer. After extruding the rod from the extruder, it is immersed in the water tank. The temperature difference is small and shrinkage cavity is not easy to appear; When the water tank moves to the end close to the pelletizer, the water temperature gradually decreases to realize rapid cooling of the rod.
  • the pump is a variable displacement pump.
  • the flow rate of the pump can be adjusted as required, so that the cooling requirements of different materials can be met.
  • the present invention provides the following technical solutions:
  • the material bar cooling water tank used in the plastic granulation production line includes a water tank body, and a cooler is arranged below the water tank body;
  • the cooler includes a cooling box, and the cooling box has a circulating water inlet and a circulating water outlet, and the circulating water inlet It communicates with the water outlet on the water tank body, and the circulating water outlet communicates with the water inlet on the water tank body through the pump;
  • the upper side of the cooling box is provided with an upper cooling air duct, correspondingly, the upper side of the cooling box
  • the surface of the side plate is provided with a group of upper cooling fins distributed along the length direction of the cooling box;
  • the lower side of the cooling box is provided with a lower cooling air duct, and correspondingly, a set of The lower cooling fins distributed along the length direction of the cooling box;
  • the inlets of the upper cooling air channel and the lower cooling air channel are respectively connected with the distribution pipes of the air distributor, and the inlets of the air distributor are connected with the outlets of the
  • the rod cooling water tank for the plastic granulation production line of the present invention has a specific structure, a cooler is provided under the cooling water tank body, and the circulating water inlet on the cooler communicates with the water outlet on the water tank body, and the circulating water
  • the outlet is connected to the water inlet on the tank body through the pump, and the upper and lower sides of the cooler are equipped with cooling channels and cooling fins, and the cooling air channel is connected to the fan through the air distributor.
  • the water in the sink body circulates, and the water flowing into the cooler conducts heat to the cooling fins on the upper and lower sides of the cooler. Exchange, take away the heat, so that the water in the water tank can quickly dissipate heat and maintain it within a suitable temperature range. Therefore, on the premise of meeting the production requirements, the cooling water tank in the present invention can be designed to be shorter in length to reduce The purpose of the footprint is to adapt to realistic requirements.
  • a group of drainage partitions are arranged inside the cooling box, and the drainage partitions are divided into A drainage partitions and B drainage partitions;
  • the front end of the drainage partition abuts against the front side plate of the cooling box, and there is an A gap for fluid circulation between the rear end of the A drainage partition and the rear side panel of the cooling box;
  • the rear of the B drainage partition The end is in contact with the rear side plate of the cooling box, and there is a B gap for fluid circulation between the front end of the drainage partition and the front side plate of the cooling box;
  • the A drainage partition and the B drainage partition are alternately arranged to form
  • the circulating water inlet and the circulating water outlet are respectively arranged at two ends of the wave-shaped flow channel.
  • the circulating water flows along the wavy flow path in the cooler, and the flow path is long, which can fully transfer the heat out, further improving the heat dissipation efficiency of the water in the water tank, thereby improving the cooling effect on the rod, Furthermore, the length of the cooling water tank can be further shortened, and the occupied area can be saved.
  • the pump in the rod cooling water tank, is a variable displacement pump.
  • the flow rate of the pump can be adjusted as required, so that the cooling requirements of different materials can be met.
  • a flow regulating valve may also be provided at the outlet of the pump. The flow can thus be adjusted by means of a regulating valve.
  • the length of the water tank body may be 80-100 cm.
  • Fig. 1 is the structural representation of the material rod cooling water tank of the plastic granulation production line of the present invention
  • Fig. 2 is the front view of the material rod cooling water tank of the plastic granulation production line of the present invention
  • Fig. 3 is the right view of the rod cooling water tank for the plastic granulation production line in Fig. 2;
  • Fig. 4 is the sectional view of A-A plane place among Fig. 3;
  • Fig. 5 is a schematic structural view of the rod cooling water tank used in the plastic granulation production line of the present invention.
  • the plastic granulation production line of the present invention includes a feeder, an extruder, a rod cooling water tank and a pelletizer arranged in sequence; wherein the rod cooling water tank adopts the rod cooling water tank for the plastic granulation production line of the present invention.
  • the rod cooling water tank for the plastic granulation production line of the present invention includes a water tank body 1, and a cooler 2 is arranged below the water tank body 1;
  • the cooler 2 includes a cooling box 201, the cooling box 201 has a circulating water inlet and a circulating water outlet, the circulating water inlet communicates with the water outlet on the water tank body 1, and the circulating water outlet communicates with the water inlet on the water tank body 1 through the pump 3;
  • the upper side of the cooling box 201 is provided with an upper cooling air duct 206, and correspondingly, the upper side plate surface of the cooling box 201 is provided with a group of upper cooling fins 207 distributed along the length direction of the cooling box 201;
  • the lower side of the cooling box 201 is provided with a lower cooling air duct 208, and correspondingly, the lower side plate surface of the cooling box 201 is provided with a group of lower cooling fins 209 distributed along the length direction of the cooling box 201;
  • a group of drainage partitions are provided inside the cooling box 201, and the drainage partitions are divided into A drainage partitions 202 and B drainage partitions 203; the front ends of the A drainage partitions 202 and The front side plate of the cooling box 201 abuts, and there is an A gap 204 for fluid circulation between the rear end of the A drainage partition 202 and the rear side panel of the cooling box 201; the rear end of the B drainage partition 203 Abutting against the rear side plate of the cooling box 201, there is a B gap 205 for fluid circulation between the front end of the drainage partition 202 and the front side panel of the cooling box 201; the A drainage partition 202 and the B drainage partition
  • the plates 203 are alternately arranged to form a wave-shaped flow channel, and the circulating water inlet and the circulating water outlet are respectively arranged at two ends of the wave-shaped flow channel.
  • the circulating water flows in the cooler 2 along the wavy flow path, the flow path is long, and the heat can be fully transferred out, which further improves the heat dissipation efficiency of the water in the water tank, thereby improving the cooling effect on the material rod, and then can The length of the cooling water tank is further shortened to save the occupied area.
  • the water inlet on the water tank body 1 is located at the end close to the pelletizer, and the water outlet on the water tank body 1 is located at the end close to the extruder. Therefore, the water temperature at the end of the water tank body 1 near the extruder is higher than the water temperature at the end near the pelletizer. After extruding the rod from the extruder, it is immersed in the water tank. The temperature difference is small and shrinkage cavity is not easy to appear; When moving to the end close to the pelletizer in the water tank, the water temperature gradually decreases to realize rapid cooling of the rod.
  • the pump 3 is a variable displacement pump. Thereby, the flow rate of the pump 3 can be adjusted as required, so that the cooling requirements of different materials can be met.
  • the length of the sink body 1 is 90 cm. (Compared with the original cooling water tank, the length is greatly shortened, which greatly reduces the footprint of the granulation production line)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

本发明的塑料造粒生产线包括依序设置的喂料机、挤出机、料棒冷却水槽和切粒机；所述料棒冷却水槽包括水槽本体，水槽本体的下方设有冷却器；所述冷却器包括冷却箱体，冷却箱体上的循环水入口与水槽本体上的出水口连通，循环水出口经泵与水槽本体上的进水口连通；冷却箱体的上侧设有上散热风道，对应的，冷却箱体的上侧板表面设有一组沿冷却箱体长度方向分布的上散热鳍片；冷却箱体的下侧设有下散热风道，对应的，冷却箱体的下侧板表面设有一组沿冷却箱体长度方向分布的下散热鳍片；上散热风道和下散热风道的入口分别与气流分配器的分流管道连接，气流分配器的入口与风机的出口连接。对应的，本发明也提供了塑料造粒生产线用料棒冷却水槽。

Description

塑料造粒生产线及其配备的料棒冷却水槽 技术领域
本发明涉及塑料造粒技术，具体的讲是涉及塑料造粒生产线，以及其所配备的料棒冷却水槽。
 背景技术
粒料是塑料成型用的一种原料，粒料一般采用塑料造粒生产线制得。塑料生产线包括喂料机、挤出机、冷却水槽，以及切粒机。生产过程中，喂料机将制造粒料的原料输送到挤出机，挤出机通过前端的模头挤出料棒，料棒经冷却水槽冷却后，由切粒机切成粒料。
现有技术中，冷却水槽通常呈长方体状，由于挤出机挤出成型的料棒温度较高，为达到冷却要求，水槽长度通常较长（一般3米左右），需要占用较大的场地面积。然而，在土地资源稀缺，土地交易价格飞涨，政府主张以亩产论英雄（即单位土地面积的产值）的当下，这种传统的冷却方式已然不能适应生产需要。因此，有必要研发占地面积小的塑料造粒生产线用料棒冷却水槽，以适应现实需求。
 技术问题
为了克服现有技术中存在的上述不足，本发明提供了塑料造粒生产线，该生产线配备的冷却水槽具有冷却效率高，占地面积小的优势。对应的，本发明也提供了塑料造粒生产线用料棒冷却水槽，该水槽冷却效率高，占地面积小，克服了现有技术中存在的冷却水槽长度较长，占地面积较大，无法适应现实需求的问题。
 技术解决方案
对于造粒生产线，本发明提供如下技术方案：
塑料造粒生产线，包括依序设置的喂料机、挤出机、料棒冷却水槽和切粒机；所述料棒冷却水槽包括水槽本体，水槽本体的下方设有冷却器；所述冷却器包括冷却箱体，冷却箱体上具有循环水入口和循环水出口，所述循环水入口与水槽本体上的出水口连通，所述循环水出口经泵与水槽本体上的进水口连通；所述冷却箱体的上侧设有上散热风道，对应的，所述冷却箱体的上侧板表面设有一组沿冷却箱体长度方向分布的上散热鳍片；所述冷却箱体的下侧设有下散热风道，对应的，所述冷却箱体的下侧板表面设有一组沿冷却箱体长度方向分布的下散热鳍片；所述上散热风道和所述下散热风道的入口分别与气流分配器的分流管道连接，气流分配器的入口与风机的出口连接。
本发明的上述技术方案中，冷却水槽本体下方设有冷却器，冷却器上的循环水入口与水槽本体上的出水口连通，循环水出口经泵与水槽本体上的进水口连通，且冷却器的上下两侧均设有散热通道和散热鳍片，其中散热风道通过气流分配器与风机相连接，工作时，在泵的作用下，水槽本体中的水循环流动，流至冷却器中的水将热量传导给设于冷却器上下两侧的散热鳍片上，同时，风机工作，将冷风吹入散热风道中，与散热鳍片进行热交换，将热量带走，从而水槽中的水可以快速散热，保持温度在合适的范围内，因此，在满足生产需求的前提下，本发明中的冷却水槽可以将长度设计的较短，达到减小占地面积的目的，以适应现实要求。
作为优化，前述的塑料造粒生产线中，所述冷却箱体的内部设有一组引流隔板，所述引流隔板分为A引流隔板和B引流隔板；所述A引流隔板的前端与冷却箱体的前侧板相抵接，所述A引流隔板的后端与冷却箱体的后侧板间存在供流体流通的A空隙；所述B引流隔板的后端与冷却箱体的后侧板相抵接，所述引流隔板的前端与冷却箱体的前侧板间存在供流体流通的B空隙；所述A引流隔板和B引流隔板交替设置形成波浪型流道，所述循环水入口和循环水出口分别设于波浪型流道的两端。
由此，工作时，循环水在冷却器中沿波浪型流道流动，流动路径长，可以充分的将热量传递出去，进一步提高了水槽中水的散热效率，从而提高对料棒的冷却效果，进而可以进一步缩短冷却水槽的长度，节约占地面积。
作为优化，前述的塑料造粒生产线中，所述水槽本体上的进水口位于靠近切粒机的那一端，所述水槽本体上的出水口位于靠近挤出机的那一端。由此，水槽本体中靠近挤出机的那一端的水温高于靠近切粒机那一端的水温，挤出机挤出料棒后，浸入水槽中，温差小，不易出现缩孔；料棒在水槽中向靠近切粒机的那一端移动时，水温逐渐降低，实现对料棒的快速冷却。
作为优化，前述的塑料造粒生产线中，所述泵为变量泵。由此，可以根据需要调节泵的流量，使得可以符合不同材料的冷却需求。
作为优化，前述的塑料造粒生产线中，所述水槽本体的长度可以为80-100cm。
对于料棒冷却水槽，本发明提供如下技术方案：
塑料造粒生产线用料棒冷却水槽，包括水槽本体，水槽本体的下方设有冷却器；所述冷却器包括冷却箱体，冷却箱体上具有循环水入口和循环水出口，所述循环水入口与水槽本体上的出水口连通，所述循环水出口经泵与水槽本体上的进水口连通；所述冷却箱体的上侧设有上散热风道，对应的，所述冷却箱体的上侧板表面设有一组沿冷却箱体长度方向分布的上散热鳍片；所述冷却箱体的下侧设有下散热风道，对应的，所述冷却箱体的下侧板表面设有一组沿冷却箱体长度方向分布的下散热鳍片；所述上散热风道和所述下散热风道的入口分别与气流分配器的分流管道连接，气流分配器的入口与风机的出口连接。
 有益效果
与现有技术相比，本发明的塑料造粒生产线用料棒冷却水槽具有特定构造，冷却水槽本体下方设有冷却器，冷却器上的循环水入口与水槽本体上的出水口连通，循环水出口经泵与水槽本体上的进水口连通，且冷却器的上下两侧均设有散热通道和散热鳍片，其中散热风道通过气流分配器与风机相连接，工作时，在泵的作用下，水槽本体中的水循环流动，流至冷却器中的水将热量传导给设于冷却器上下两侧的散热鳍片上，同时，风机工作，将冷风吹入散热风道中，与散热鳍片进行热交换，将热量带走，从而水槽中的水可以快速散热，维持在合适温度范围内，因此，在满足生产需求的前提下，本发明中的冷却水槽可以将长度设计的较短，达到减小占地面积的目的，以适应现实要求。
作为优化，前述的塑料造粒生产线用料棒冷却水槽中，所述冷却箱体的内部设有一组引流隔板，所述引流隔板分为A引流隔板和B引流隔板；所述A引流隔板的前端与冷却箱体的前侧板相抵接，所述A引流隔板的后端与冷却箱体的后侧板间存在供流体流通的A空隙；所述B引流隔板的后端与冷却箱体的后侧板相抵接，所述引流隔板的前端与冷却箱体的前侧板间存在供流体流通的B空隙；所述A引流隔板和B引流隔板交替设置形成波浪型流道，所述循环水入口和循环水出口分别设于波浪型流道的两端。
由此，工作时，循环水在冷却器中沿波浪型流道流动，流动路径长，可以充分的将热量传递出去，进一步提高了水槽中水的散热效率，从而提高对料棒的冷却效果，进而可以进一步缩短冷却水槽的长度，节约占地面积。
作为优化，前述的塑料造粒生产线用料棒冷却水槽中，所述泵为变量泵。由此，可以根据需要调节泵的流量，使得可以符合不同材料的冷却需求。此外，所述泵的出口处也可以设有流量调节阀。从而可以通过调节阀调节流量。
作为优化，前述的塑料造粒生产线用料棒冷却水槽中，所述水槽本体的长度可以为80-100cm。
 附图说明
图1是本发明的塑料造粒生产线用料棒冷却水槽的结构示意图；
图2是本发明的塑料造粒生产线用料棒冷却水槽的主视图；
图3是图2中的塑料造粒生产线用料棒冷却水槽的右视图；
图4是图3中A-A面处的剖视图；
图5是本发明的塑料造粒生产线用料棒冷却水槽的结构示意图。
附图中的标记为：1-水槽本体；2-冷却器，201-冷却箱体，202-A引流隔板，203-B引流隔板，204-A空隙，205-B空隙，206-上散热风道，207-上散热鳍片，208-下散热风道，209-下散热鳍片；3-泵；4-气流分配器，401-分流管道；5-风机。
 本发明的实施方式
下面结合附图和实施例对本发明作进一步的说明，但并不作为对本发明限制的依据。以下没有具体说明的内容，均为本领域技术常识。
本发明的塑料造粒生产线，包括依序设置的喂料机、挤出机、料棒冷却水槽和切粒机；其中，料棒冷却水槽采用本发明的塑料造粒生产线用料棒冷却水槽。
实施例：
参见图1至图3，在本实施例中，本发明的塑料造粒生产线用料棒冷却水槽包括水槽本体1，水槽本体1的下方设有冷却器2；所述冷却器2包括冷却箱体201，冷却箱体201上具有循环水入口和循环水出口，所述循环水入口与水槽本体1上的出水口连通，所述循环水出口经泵3与水槽本体1上的进水口连通；所述冷却箱体201的上侧设有上散热风道206，对应的，所述冷却箱体201的上侧板表面设有一组沿冷却箱体201长度方向分布的上散热鳍片207；所述冷却箱体201的下侧设有下散热风道208，对应的，所述冷却箱体201的下侧板表面设有一组沿冷却箱体201长度方向分布的下散热鳍片209；所述上散热风道206和所述下散热风道208的入口分别与气流分配器4的分流管道401连接，气流分配器4的入口与风机5的出口连接。
在本实施例中，所述冷却箱体201的内部设有一组引流隔板，所述引流隔板分为A引流隔板202和B引流隔板203；所述A引流隔板202的前端与冷却箱体201的前侧板相抵接，所述A引流隔板202的后端与冷却箱体201的后侧板间存在供流体流通的A空隙204；所述B引流隔板203的后端与冷却箱体201的后侧板相抵接，所述引流隔板202的前端与冷却箱体201的前侧板间存在供流体流通的B空隙205；所述A引流隔板202和B引流隔板203交替设置形成波浪型流道，所述循环水入口和循环水出口分别设于波浪型流道的两端。工作时，循环水在冷却器2中沿波浪型流道流动，流动路径长，可以充分的将热量传递出去，进一步提高了水槽中水的散热效率，从而提高对料棒的冷却效果，进而可以进一步缩短冷却水槽的长度，节约占地面积。
在本实施例中，所述水槽本体1上的进水口位于靠近切粒机的那一端，所述水槽本体1上的出水口位于靠近挤出机的那一端。由此，水槽本体1中靠近挤出机的那一端的水温高于靠近切粒机那一端的水温，挤出机挤出料棒后，浸入水槽中，温差小，不易出现缩孔；料棒在水槽中向靠近切粒机的那一端移动时，水温逐渐降低，实现对料棒的快速冷却。
在本实施例中，所述泵3为变量泵。由此，可以根据需要调节泵3的流量，使得可以符合不同材料的冷却需求。
在本实施例中，所述水槽本体1的长度为90cm。（相较于原有的冷却水槽，长度大幅缩短，使得造粒生产线占地面积大幅减小）
工作原理：工作时，在泵3的作用下，水槽本体1中的水从出水口进入冷却器2内，并从冷却箱体201的循环水出口流回水槽本体1内，从而实现水槽本体1中水的循环流动；在水循环过程中，流至冷却器2中的水将热量传导给设于冷却器2上下侧的散热鳍片上，同时，风机工作，将冷风吹入散热风道中，与散热鳍片进行热交换，将热量带走，使得水槽中的水可以快速冷却。冷却器2内部设置波浪型流道，水在冷却器2内部的流动路径长，可以充分的将热量传递给散热鳍片。
本发明的技术方案针对PVC脚垫生产需求研发获得，当然也可以用于制造其它塑料制品成型用的粒料。
上述对本申请中涉及的发明的一般性描述和对其具体实施方式的描述不应理解为是对该实用新型技术方案构成的限制。本领域所属技术人员根据本申请的公开，可以在不违背所涉及的实用新型构成要素的前提下，对上述一般性描述或/和具体实施方式（包括实施例）中的公开技术特征进行增加、减少或组合，形成属于本申请保护范围之内的其它的技术方案。

Claims (10)

  1. 塑料造粒生产线，包括依序设置的喂料机、挤出机、料棒冷却水槽和切粒机；其特征在于：所述料棒冷却水槽包括水槽本体（1），水槽本体（1）的下方设有冷却器（2）；所述冷却器（2）包括冷却箱体（201），冷却箱体（201）上具有循环水入口和循环水出口，所述循环水入口与水槽本体（1）上的出水口连通，所述循环水出口经泵（3）与水槽本体（1）上的进水口连通；所述冷却箱体（201）的上侧设有上散热风道（206），对应的，所述冷却箱体（201）的上侧板表面设有一组沿冷却箱体（201）长度方向分布的上散热鳍片（207）；所述冷却箱体（201）的下侧设有下散热风道（208），对应的，所述冷却箱体（201）的下侧板表面设有一组沿冷却箱体（201）长度方向分布的下散热鳍片（209）；所述上散热风道（206）和所述下散热风道（208）的入口分别与气流分配器（4）的分流管道（401）连接，气流分配器（4）的入口与风机（5）的出口连接。
  2. 根据权利要求1所述的塑料造粒生产线，其特征在于：所述冷却箱体（201）的内部设有一组引流隔板，所述引流隔板分为A引流隔板（202）和B引流隔板（203）；所述A引流隔板（202）的前端与冷却箱体（201）的前侧板相抵接，所述A引流隔板（202）的后端与冷却箱体（201）的后侧板间存在供流体流通的A空隙（204）；所述B引流隔板（203）的后端与冷却箱体（201）的后侧板相抵接，所述引流隔板（202）的前端与冷却箱体（201）的前侧板间存在供流体流通的B空隙（205）；所述A引流隔板（202）和B引流隔板（203）交替设置形成波浪型流道，所述循环水入口和循环水出口分别设于波浪型流道的两端。
  3. 根据权利要求1所述的塑料造粒生产线，其特征在于：所述水槽本体（1）上的进水口位于靠近切粒机的那一端，所述水槽本体（1）上的出水口位于靠近挤出机的那一端。
  4. 根据权利要求1所述的塑料造粒生产线，其特征在于：所述泵（3）为变量泵。
  5. 根据权利要求1-4任一权利要求所述的塑料造粒生产线，其特征在于：所述水槽本体（1）的长度为80-100cm。
  6. 塑料造粒生产线用料棒冷却水槽，其特征在于：包括水槽本体（1），水槽本体（1）的下方设有冷却器（2）；所述冷却器（2）包括冷却箱体（201），冷却箱体（201）上具有循环水入口和循环水出口，所述循环水入口与水槽本体（1）上的出水口连通，所述循环水出口经泵（3）与水槽本体（1）上的进水口连通；所述冷却箱体（201）的上侧设有上散热风道（206），对应的，所述冷却箱体（201）的上侧板表面设有一组沿冷却箱体（201）长度方向分布的上散热鳍片（207）；所述冷却箱体（201）的下侧设有下散热风道（208），对应的，所述冷却箱体（201）的下侧板表面设有一组沿冷却箱体（201）长度方向分布的下散热鳍片（209）；所述上散热风道（206）和所述下散热风道（208）的入口分别与气流分配器（4）的分流管道（401）连接，气流分配器（4）的入口与风机（5）的出口连接。
  7. 根据权利要求6所述的塑料造粒生产线用料棒冷却水槽，其特征在于：所述冷却箱体（201）的内部设有一组引流隔板，所述引流隔板分为A引流隔板（202）和B引流隔板（203）；所述A引流隔板（202）的前端与冷却箱体（201）的前侧板相抵接，所述A引流隔板（202）的后端与冷却箱体（201）的后侧板间存在供流体流通的A空隙（204）；所述B引流隔板（203）的后端与冷却箱体（201）的后侧板相抵接，所述引流隔板（202）的前端与冷却箱体（201）的前侧板间存在供流体流通的B空隙（205）；所述A引流隔板（202）和B引流隔板（203）交替设置形成波浪型流道，所述循环水入口和循环水出口分别设于波浪型流道的两端。
  8. 根据权利要求6所述的塑料造粒生产线用料棒冷却水槽，其特征在于：所述泵（3）为变量泵。
  9. 根据权利要求6所述的塑料造粒生产线用料棒冷却水槽，其特征在于：所述泵（3）的出口处设有流量调节阀。
  10. 根据权利要求6-9任一权利要求所述的塑料造粒生产线用料棒冷却水槽，其特征在于：所述水槽本体（1）的长度为80-100cm。
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