Novel extruding, cooling and conveying device
By designing a new extrusion cooling conveying device combining bellows, cold water tanks and transmission components, using axial fan and honeycomb heat exchangers to achieve efficient cooling, the existing problems of existing cooling conveying devices in the extrusion and cooling of polymer materials have large space occupation, high energy consumption, drying after water cooling affects efficiency, and water rust generation, achieving efficient and low-cost cooling effect.
Patent Information
- Application Number
- CN202421908587.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The existing cooling conveying devices have problems such as large space occupation, high energy consumption, drying after water cooling and affecting efficiency, and water rust generation during the extrusion and cooling of polymer materials. In particular, the cooling effect of high-temperature materials such as PEEK is poor, which affects production efficiency.
A new type of extrusion cooling conveyor is designed, combining bellows, cold water tanks and transmission components, and using axial fan and honeycomb heat exchangers to achieve efficient cooling. The rollers are cooled by ice-salt water, combined with the advantages of air-cooling and ice-cooling, and achieving rapid and low-temperature cooling.
It is realized that the extruded material is efficiently cooled without water cooling and air cooling, reducing subsequent processing steps, reducing production steps, reducing production costs, and avoiding the generation of water rust.
Smart Images
Figure CN222875027U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ground penetrating radar systems, and particularly relates to a novel extrusion cooling and conveying device. Background Art
[0002] The modified extrusion processing of polymer materials must use a cooling conveyor to feed the molten resin strips into the pelletizer for pelletizing. The most common devices on the market are air-cooled and water-cooled. Air cooling requires a large space and high energy consumption. Water cooling requires drying after preparing PLA, PA, PETG and other resins with strong water absorption, which affects production and experimental efficiency. The material will fail thermally due to too long drying time. Water rust will inevitably be produced when cooling with a water tank, and the pellets attached to the material strips will have side effects on subsequent reprocessing. When processing materials with higher temperatures such as PEEK, if the cooling effect is poor and pelletizing is not possible, it may not be possible to extend the air cooling device or the length of the water tank, which affects production efficiency. Therefore, we hope to design a ground penetrating radar system with a new structure to solve this problem. Utility Model Content
[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a new extrusion cooling conveying device to solve the problems raised in the above background technology.
[0004] The utility model is realized by the following technical scheme: a novel extrusion cooling and conveying device, comprising: a bellows, a cold water tank and a transmission assembly, a plurality of transmission assemblies for cooling and transmitting resin strips are installed on the upper side of the bellows, and a cold water tank is arranged on the right side of the bellows;
[0005] The wind box includes a box body, a ventilation window, a mounting plate and an axial flow fan. The mounting plate is arranged on the upper side of the box body, and a plurality of axial flow fans distributed in a downward linear manner are fixed on the upper side of the box body through the mounting plate. A ventilation window is arranged on the lower side of the front end and the lower side of the rear end of the box body respectively, and a plurality of wind boxes are arranged at equal intervals in the middle of the upper end of the box body.
[0006] The transmission assembly includes a roller, a rotating bearing and a honeycomb heat exchanger. The honeycomb heat exchanger is arranged inside the roller. The left and right sides of the roller are rotatably connected to the left and right sides of the upper end of the box through a rotating bearing respectively. The left side of the roller is provided with a gear.
[0007] As a preferred embodiment, a cavity is provided inside the upper end of the box body, and the upper end, front side and rear side of the cavity are all open in design, and the left and right sides of the upper end of the box body are respectively recessed downward to form a plurality of equally spaced installation grooves, and the bottom of the cavity penetrates downward to form a plurality of connecting grooves in a strip-shaped structure.
[0008] As a preferred embodiment, the number and distribution positions of the communication grooves match the number and distribution positions of the wind boxes, the upper end of the wind box penetrates downward to form a wind nozzle 1, and the wind nozzle 1 is connected to the communication groove through the inside of the wind box;
[0009] The front side and the rear side of the upper end of the wind box are respectively inclined downward by 30 degrees to open a second wind nozzle, and the two second wind nozzles are connected with the connecting groove through the inside of the wind box.
[0010] As a preferred embodiment, a plurality of equally spaced and concave positioning ring grooves are provided in the middle portion of the roller, the cross section of the positioning ring grooves is an arc-shaped structure, and the outer wall of the honeycomb heat exchanger is fixedly connected to the inner wall of the roller.
[0011] As a preferred embodiment, the left end of the roller is fixedly connected to the right end of the reflux rotary joint through a sealing flange, the outlet pipe of the reflux rotary joint is fixedly connected to the left end of the reflux pipe, the reflux pipe is placed on the upper side of the box body, and the right end of the reflux pipe is placed inside the cold water tank. In actual use, each roller is passed through brine, the specific gravity of pure water and calcium chloride is 1.3, the cold water tank is actually a cooler, which can control the temperature between -35℃-10℃, and the model of the cooler can be selected according to actual use requirements, as long as it can meet the large-scale production of brine. The roller is filled with brine, the interior of the roller is designed as a honeycomb heat exchanger structure, and the outer wall of the roller is matched with the number of holes of different discharge ports, and a corresponding number of positioning ring grooves are opened, which plays a role in positioning the material strips and increasing the cooling area. The outer wall of the roller is made of frosted stainless steel material, which can increase the transmission friction.
[0012] As a preferred embodiment, the right end of the roller is fixedly connected to the left end of the water inlet rotary joint through a sealing flange, and the water inlet rotary joint is connected to the cold water tank through a water inlet pipe, a water delivery pipe and a low-temperature resistant water pump.
[0013] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: the setting of the transmission component, in conjunction with the cold water tank, can add a thermal infrared temperature measuring device at the last roller to ensure that the material entering the pelletizer reaches below the softening temperature of the material. Before the extrusion experiment begins, the water inlet and return circuit is opened first, so that the cold water tank is connected to the reflux rotary joint and the water inlet rotary joint and is in a passage state. The refrigeration temperature of the cold water tank is adjusted to a suitable temperature according to the extrusion temperature of the material. In theory, the higher the extrusion temperature, the lower the temperature setting. The reference range is 100-200°C and the inlet temperature is set to minus 10°C. When the extruded material strip is extruded from the die, it is directly placed on the corresponding positioning ring groove on the outer wall of the roller. Multiple rollers are rotated to pull the material to the pelletizer for granulation. The rollers are quickly cooled by passing ice salt water into the rollers, so that the rollers are always in a low temperature state, and the extruded material can be cooled without water cooling and air cooling. It can reduce subsequent processing steps, reduce production steps, and help reduce production costs;
[0014] The setting of the bellows can start multiple axial flow fans inside the box when multiple rollers are pulling and cooling the materials. The multiple axial flow fans can blow air upwards and cooperate with multiple wind boxes to convey high-speed airflow to the lower side of multiple rollers, thereby auxiliary cooling of the rollers and the pulled material strips. The setting of the wind box can increase the flow rate of the airflow and guide the high-speed airflow at the same time. When it is pulled to the roller closest to the pelletizer, an external hand-feel temperature tester is used to detect whether it has reached the pelletizing state, and finally it is sent to the pelletizer for pelletizing. In actual use, the wind speed can be adjusted according to the density of the material strips to ensure auxiliary cooling and removal of moisture in the air without blowing the material strips up, so as to prevent condensation of water dew after long-term use of the rollers. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 The utility model is a schematic diagram of the overall structure of a novel extrusion cooling conveying device.
[0017] Figure 2 This is a schematic diagram of a bellows structure of a novel extrusion cooling conveying device of the utility model.
[0018] Figure 3 It is a schematic diagram of a cross-section of a bellows of a novel extrusion cooling and conveying device of the utility model.
[0019] Figure 4 It is a schematic diagram of a transmission component of a novel extrusion cooling conveying device of the utility model.
[0020] Figure 5 This is a schematic diagram of the internal structure of a roller of a novel extrusion cooling conveying device of the utility model.
[0021] Figure 6 for Figure 3 A is an enlarged schematic diagram.
[0022] In the figure, 100-bellows, 110-box, 111-cavity, 112-mounting slot, 113-connecting slot, 120-ventilation window, 130-wind box, 131-air nozzle 1, 132-air nozzle 2, 140-axial flow fan, 150-mounting plate;
[0023] 200-cold water tank;
[0024] 300-transmission assembly, 310-return pipe, 320-roller, 330-rotating bearing, 340-return rotary joint, 350-water inlet rotary joint, 360-honeycomb heat exchanger. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figures 1 to 6 The utility model provides a technical solution: a novel extrusion cooling and conveying device, comprising: a bellows 100, a cold water tank 200 and a transmission assembly 300, a plurality of transmission assemblies 300 for cooling and transmitting resin strips are installed on the upper side of the bellows 100, and a cold water tank 200 is arranged on the right side of the bellows 100;
[0027] The bellows 100 includes a box body 110, a ventilation window 120, a mounting plate 150 and an axial flow fan 140. The mounting plate 150 is arranged on the upper side of the box body 110. A plurality of axial flow fans 140 distributed in a downward linear manner are fixed to the upper side of the box body 110 through the mounting plate 150. A ventilation window 120 is arranged on the lower side of the front end and the lower side of the rear end of the box body 110 respectively. A plurality of wind boxes 130 are arranged at equal intervals in the middle of the upper end of the box body 110.
[0028] The transmission assembly 300 includes a roller 320, a rotating bearing 330 and a honeycomb heat exchanger 360. The honeycomb heat exchanger 360 is arranged inside the roller 320. The left and right sides of the roller 320 are rotatably connected to the left and right sides of the upper end of the box body 110 through a rotating bearing 330 respectively. A gear is arranged on the left side of the roller 320.
[0029] See also Figures 1 to 3 as well as Figure 6 A cavity 111 is provided inside the upper end of the box body 110, and the upper end, front side and rear side of the cavity 111 are all open. The left and right sides of the upper end of the box body 110 are respectively recessed downward to form a plurality of equally spaced mounting grooves 112, and the bottom of the cavity 111 penetrates downward to form a plurality of connecting grooves 113 in a strip-shaped structure.
[0030] The number and distribution positions of the communication grooves 113 match the number and distribution positions of the air boxes 130. The upper end of the air box 130 penetrates downward to form an air nozzle 131. The air nozzle 131 is connected to the communication groove 113 through the interior of the air box 130.
[0031] A second air nozzle 132 is provided at the front side and the rear side of the upper end of the air box 130 , which are tilted downward by 30 degrees. The two second air nozzles 132 are connected to the connecting groove 113 through the interior of the air box 130 .
[0032] As the first embodiment of the utility model, when multiple rollers 320 are pulling the cooling material, multiple axial flow fans 140 inside the box body 110 can be started. The multiple axial flow fans 140 can blow air upwards and cooperate with multiple wind boxes 130 to convey high-speed airflow to the lower side of the multiple rollers 320, thereby auxiliary cooling of the rollers 320 and the pulled material strips. The setting of the wind box 130 can increase the flow rate of the airflow and guide the high-speed airflow at the same time. When pulled to the roller closest to the pelletizer, an external hand-feel temperature tester is used to detect whether it reaches the pelletizing state, and finally the material is sent to the pelletizer for pelletizing. In actual use, the wind speed can be adjusted according to the density of the material strip to ensure auxiliary cooling and removal of moisture in the air without blowing the material strips up, so as to prevent condensation of water dew when the rollers are used for a long time.
[0033] See also Figures 1 to 5 The middle part of the roller 320 is provided with a plurality of equally spaced concave positioning ring grooves, the cross section of which is an arc-shaped structure, and the outer wall of the honeycomb heat exchanger 360 is fixedly connected to the inner wall of the roller 320 .
[0034] The left end of the roller 320 is fixedly connected to the right end of the reflux rotary joint 340 through a sealing flange, the outlet pipe of the reflux rotary joint 340 is fixedly connected to the left end of the reflux pipe 310, the reflux pipe 310 is placed on the upper side of the box body 110, and the right end of the reflux pipe 310 is placed inside the cold water tank 200. In actual use, each roller 320 is passed through ice salt water, the specific gravity of pure water and calcium chloride is 1.3, the cold water tank 200 is actually a cooler, which can control the temperature between -35℃-10℃, and the model of the cooler can be selected according to actual use requirements, as long as it meets the large-scale production of ice salt water. The roller 320 is filled with ice salt water, and the interior of the roller is designed as a honeycomb heat exchanger 360 structure, and the outer wall of the roller 320 is matched with the number of holes of different discharge ports, and a corresponding number of positioning ring grooves are opened, which plays a role in positioning the material strips and increasing the cooling area. The outer wall of the roller 320 is made of frosted stainless steel material, which can increase the transmission friction.
[0035] The right end of the roller 320 is fixedly connected to the left end of the water inlet rotary joint 350 through a sealing flange, and the water inlet rotary joint 350 is connected to the cold water tank 200 through a water inlet pipe, a water delivery pipe and a low-temperature resistant water pump.
[0036] As the second embodiment of the utility model, based on the above-mentioned first embodiment, in actual use, a thermal infrared temperature measuring device can be added at the last roller 320 (the thermal infrared temperature measuring device can be used as long as it meets the temperature measurement requirements, and is not limited to a product with a special new signal) to ensure that the material entering the pelletizer reaches below the material softening temperature. Before the extrusion experiment begins, the water inlet and return circuit is opened first, so that the cold water tank 200 is connected to the reflux rotary joint 340 and the water inlet rotary joint 350, and is in a passage state. The refrigeration temperature of the cold water tank 200 is adjusted to a suitable temperature according to the extrusion temperature of the material. In theory, the higher the extrusion temperature, the lower the temperature setting. The reference range is 100-200°C, and the extrusion temperature inlet temperature is set to minus 10°C. After the extruded material strip is extruded from the die, it is directly placed on the positioning ring groove corresponding to the outer wall of the roller 320, and multiple rollers 320 are rotated to pull the material to the pelletizer for granulation (multiple rollers 320 are driven by gears and chains, and the transmission structure can be arranged according to actual usage requirements. All components use existing models on the market). The rollers 320 are quickly cooled by passing ice salt water into the rollers 320, so that the rollers 320 are always in a low temperature state, and the extruded material can be cooled without using water cooling or air cooling, which can reduce subsequent processing steps, reduce production steps, and help reduce production costs.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel extrusion cooling conveyor device, comprising: A bellows (100), a cold water tank (200) and a transmission assembly (300), characterized in that a plurality of transmission assemblies (300) for cooling and transmitting resin strips are installed on the upper side of the bellows (100), and a cold water tank (200) is arranged on the right side of the bellows (100); The wind box (100) comprises a box body (110), a ventilation window (120), a mounting plate (150) and an axial flow fan (140); the mounting plate (150) is arranged on the upper side of the box body (110); a plurality of axial flow fans (140) distributed in a downward linear manner are fixed to the upper side of the box body (110) via the mounting plate (150); a ventilation window (120) is arranged on the lower side of the front end and the lower side of the rear end of the box body (110); and a plurality of wind boxes (130) are arranged at equal intervals in the middle of the upper end of the box body (110); The transmission assembly (300) comprises a roller (320), a rotary bearing (330) and a honeycomb heat exchanger (360); the honeycomb heat exchanger (360) is arranged inside the roller (320); the left side and the right side of the roller (320) are rotatably connected to the left side and the right side of the upper end of the box (110) via a rotary bearing (330) respectively; and a gear is arranged on the left side of the roller (320).
2. A novel extrusion cooling conveyor as claimed in claim 1, characterized in that: A cavity (111) is provided inside the upper end of the box body (110); the upper end, front side and rear side of the cavity (111) are all designed to be open; the left side and right side of the upper end of the box body (110) are respectively recessed downward to form a plurality of installation grooves (112) distributed at equal intervals; the bottom of the cavity (111) penetrates downward to form a plurality of connecting grooves (113) in a strip-shaped structure.
3. A novel extrusion cooling conveyor as claimed in claim 2, characterized in that: The number and distribution positions of the communication grooves (113) match the number and distribution positions of the wind box (130); the upper end of the wind box (130) penetrates downward to form a wind nozzle 1 (131); the wind nozzle 1 (131) is connected to the communication groove (113) through the interior of the wind box (130); The front and rear sides of the upper end of the wind box (130) are respectively inclined downward by thirty degrees to form a second wind nozzle (132), and the two second wind nozzles (132) are connected to the connecting groove (113) through the interior of the wind box (130).
4. A novel extrusion cooling conveyor as claimed in claim 1, characterized in that: The middle part of the roller (320) is provided with a plurality of inwardly concave positioning ring grooves which are distributed at equal intervals, and the cross-section of the positioning ring groove is an arc-shaped structure. The outer wall of the honeycomb heat exchanger (360) is fixedly connected to the inner wall of the roller (320).
5. A novel extrusion cooling conveyor as claimed in claim 1, characterized in that: The left end of the roller (320) is fixedly connected to the right end of the return swivel joint (340) via a sealing flange, the water outlet pipe of the return swivel joint (340) is fixedly connected to the left end of the return pipe (310), the return pipe (310) is placed on the upper side of the interior of the box body (110), and the right end of the return pipe (310) is placed inside the cold water tank (200).
6. A novel extrusion cooling conveyor as claimed in claim 5, characterized in that: The right end of the roller (320) is fixedly connected to the left end of the water inlet rotary joint (350) via a sealing flange, and the water inlet rotary joint (350) is connected to the cold water tank (200) via a water inlet pipe, a water delivery pipe, and a low-temperature resistant water pump.