Material shaping equipment and material shaping process

Abstract

The invention discloses material shaping equipment and a material shaping process, and relates to the technical field of glass fiber production. The material shaping equipment comprises a rack and a material shaping device, wherein the rack comprises a heat shaping area; the conveying device is arranged on the rack and used for conveying materials; the heat setting device is arranged in the heat setting area, the heat setting device comprises a first cavity and a second cavity, the first cavity is arranged in the heat setting area, and the first cavity is provided with a first material channel for materials to pass through, a microwave energy feedback channel communicated with the first material channel and a hot air channel communicated with the first material channel; the microwave heating assembly is used for carrying out microwave heating on the materials in the first material channel through the microwave energy feedback channel; the hot air heating assembly conducts hot air heating on the materials located in the first material channel through the hot air channel. According to the material setting equipment, the heat setting time of the material can be shortened, and the heat setting efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of glass fiber production, and in particular to a material shaping device and a material shaping process. Background Art

[0002] Glass fiber is an inorganic non-metallic material with excellent performance. It is usually used as a reinforcing material in composite materials, electrical insulation materials, thermal insulation materials, circuit substrates, etc. Among them, glass fiber is also widely used in the twisted roving used in alkali-free high-strength structural grade SMC (Sheet Molding Compound). This type of glass fiber yarn generally needs to be heat-set. On the one hand, its function is to eliminate the internal stress in the yarn forming and improve the stability of the product structure; on the other hand, it can improve the physical properties of glass fiber, increase the ribbon-forming property of glass fiber yarn bundles, avoid yarn bundle dispersion, inner and outer ring collapse of yarn bundles, etc., so that it has better processability with the matrix resin in the subsequent SMC molding process, so as to produce high-quality glass fiber reinforced composite products.

[0003] At present, the shaping device for glass fiber yarn usually acts on the yarn in the form of steam heat exchange or electric heating hot air. Since heat conduction is gradually transferred from the outside to the inside, the heat setting time varies from about 1 to 5 hours, which is time-consuming and has a slow shaping efficiency. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a material shaping device and a material shaping process, which can shorten the thermal shaping time of the material and improve the thermal shaping efficiency.

[0005] According to a first aspect of the present application, a material shaping device is provided, comprising:

[0006] a frame, the frame including a heat setting area;

[0007] A conveying device, arranged on the frame, for conveying materials;

[0008] A heat setting device, the heat setting device is arranged in the heat setting area, and the heat setting device comprises:

[0009] A first cavity is arranged in the heat setting area, wherein the first cavity is provided with a first material channel for the material to pass through, a microwave energy feeding channel connected to the first material channel, and a hot air channel connected to the first material channel;

[0010] a microwave heating component, wherein the microwave heating component performs microwave heating on the material in the first material channel through the microwave energy feeding channel;

[0011] A hot air heating component is used to perform hot air heating on the material in the first material channel through the hot air channel.

[0012] In some embodiments of the present application, the microwave heating assembly includes:

[0013] At least one microwave generating source is arranged on the rack;

[0014] At least one waveguide tube, one end of at least one of the waveguide tubes is connected to at least one of the microwave generating sources, and the other end of at least one of the waveguide tubes is connected to the microwave energy feeding channel;

[0015] A cold air unit connected to the microwave source and used to cool the microwave source;

[0016] The cold air unit comprises a cooling air duct and a centrifugal fan. One end of the cooling air duct is connected to the microwave generating source, and one end of the centrifugal fan is connected to an end of the cooling air duct away from the microwave generating source.

[0017] In some embodiments of the present application, a plurality of microwave generating sources are arranged along the length direction of the first material channel, each of the microwave generating sources is connected to a plurality of the waveguide tubes arranged along the length direction of the first material channel, and each of the waveguide tubes is connected to a plurality of the microwave energy feeding channels arranged along the width direction of the first material channel.

[0018] In some embodiments of the present application, a plurality of microwave energy feeding channels are provided along the width direction of the first material channel, and a first preset distance is provided between adjacent microwave energy feeding channels along the width direction of the first material channel, and a ratio of the first preset distance to the material diameter is 0.6-1.0:1;

[0019] And / or, along the length direction of the first material channel, a plurality of microwave feeding channels are arranged, and a second preset distance is provided between adjacent microwave feeding channels along the length direction of the first material channel, and a ratio of the second preset distance to the material diameter is 1.0-1.5:1.

[0020] In some embodiments of the present application, the hot air heating component includes a first circulation fan arranged in the first cavity and a heating resistor wire arranged in the hot air channel. The first circulation fan draws air in the first material channel into the hot air channel, and heats the air through the heating resistor wire located in the hot air channel. The heated air enters the first material channel through the air outlet end of the hot air channel, and heats the material located in the first material channel.

[0021] In some embodiments of the present application, the rack further includes a cooling area located at the material discharge end, the material shaping equipment further includes a cooling device arranged in the cooling area, the cooling device includes a second cavity arranged in the cooling area, a second circulation fan and an evaporator arranged in the second cavity; the second cavity is provided with a second material channel for the material to pass through and a cold air channel connected to the second material channel, and the evaporator is arranged in the cold air channel; the second circulation fan draws air in the second material channel into the cold air channel, cools the air through the evaporator located in the cold air channel, and the cooled air enters the second material channel through the air outlet end of the cold air channel to cool the material located in the second material channel;

[0022] And / or, the rack further comprises microwave suppression areas located at the inlet and outlet ends of the heat setting area, and the material setting device further comprises a leakage suppressor arranged in the microwave suppression area, and the leakage suppressor is used to suppress microwave leakage of the microwave heating assembly;

[0023] And / or, the frame also includes a buffer area located at the material feed end and the material discharge end, the material shaping equipment also includes a control device arranged in the buffer area, the control device includes a position sensor and a controller, the position sensor is arranged on the frame, and is used to count the material on the conveying device; the controller is electrically connected to the position sensor and the conveying device.

[0024] According to a second aspect of the present application, a material shaping process is provided, using the material shaping device as described above, and the material shaping process includes:

[0025] Turning on the microwave heating component, and if the environmental information meets the preset conditions, turning on the hot air heating component at the same time;

[0026] The conveying device conveys the material to the heat setting area, and heats the material through the microwave heating component or through the microwave heating component and the hot air heating component to heat and set the material.

[0027] In some embodiments of the present application, turning on the microwave heating device includes:

[0028] When it is detected that the material enters the buffer area located at the material feed end, the travel time of the material to reach the first material channel is determined according to the conveying speed of the conveying device and the travel length from the buffer area to the first material channel;

[0029] Based on the travel time, the microwave heating component is turned on at a target time, and the target time is the time when the material distance reaches the first preset time length of the first material channel.

[0030] In some embodiments of the present application, the microwave heating assembly includes a plurality of microwave generating sources, and the output power of each of the microwave generating sources decreases successively along the conveying direction of the material.

[0031] In some embodiments of the present application, the microwave heating assembly includes a plurality of microwave generating sources, and when the buffer area at the material feeding end does not detect the material within a second preset time period, the time when the material passes through the end of each microwave generating source is determined according to the conveying speed of the conveying device and the travel length from the buffer area to the end of each microwave generating source;

[0032] When the material reaches the moment when it passes the end of each microwave generating source, the microwave generating source is turned off.

[0033] The technical solution provided by this application may have the following beneficial effects:

[0034] The present application utilizes the characteristics of microwave heating, such as fast heating speed, uniform heating inside and outside, easy control, and energy saving and environmental protection. Microwave heating is mainly used, and hot air heating is supplemented. This can improve the efficiency of heat conduction, increase the heat setting speed of materials, and shorten the heat setting time. By transporting materials through a conveying device, continuous and rapid heat setting of materials can be achieved.

[0035] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0037] Figure 1 It is a schematic diagram of the overall structure of a material shaping device according to an exemplary embodiment.

[0038] Figure 2 is a side view of a material shaping device according to an exemplary embodiment.

[0039] Figure 3 is a schematic structural diagram of a microwave heating assembly according to an exemplary embodiment.

[0040] Figure 4 is a schematic structural diagram of a hot air heating assembly according to an exemplary embodiment.

[0041] Figure 5It is a schematic diagram showing a first preset distance and a second preset distance of a microwave energy feeding channel according to an exemplary embodiment.

[0042] Figure 6 is a schematic structural diagram of a cooling device according to an exemplary embodiment.

[0043] Figure 7 is a schematic diagram of a third preset distance of a material according to an exemplary embodiment.

[0044] Figure 8 It is a schematic flow chart of a material shaping process according to an exemplary embodiment.

[0045] Fig. 9 It is a schematic diagram of a process of starting a microwave heating device in a material shaping process according to an exemplary embodiment.

[0046] Reference numerals

[0047] 1. Rack; 11. Heat setting area; 12. Cooling area; 13. Microwave suppression area; 14. Cache area; 2. Conveying device; 3. Heat setting device; 31. First cavity; 311. First material channel; 312. Microwave energy feeding channel; 313. Hot air channel; 32. Microwave heating assembly; 321. Microwave source; 322. Waveguide; 323. Cold air unit; 3231. Cooling air duct; 3232. Centrifugal fan; 33. Hot air heating assembly; 331. First circulation fan; 332. Heating resistance wire; 4. Cooling device; 41. Second cavity; 411. Second material channel; 412. Cold air channel; 42. Second circulation fan; 43. Evaporator;

[0048] 10. Materials;

[0049] L1, first preset distance; L2, second preset distance; L3, third preset distance. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application. It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be arbitrarily combined with each other.

[0051] The present application provides a material shaping device, including a frame, a conveying device and a heat-setting device, wherein the frame includes a heat-setting area; the conveying device is arranged on the frame for conveying materials; the heat-setting device is arranged in the heat-setting area, and the heat-setting device includes a first cavity arranged in the heat-setting area, a microwave heating component and a hot air heating component, the first cavity is provided with a first material channel for material to pass through, a microwave energy feeding channel connected to the first material channel and a hot air channel connected to the first material channel; the microwave heating component performs microwave heating on the material in the first material channel through the microwave energy feeding channel; the hot air heating component performs hot air heating on the material in the first material channel through the hot air channel. The present application utilizes the characteristics of microwave heating with fast speed, uniform heating inside and outside, easy control and energy saving and environmental protection, mainly with microwave heating and supplemented with hot air heating, which can improve the efficiency of heat conduction, improve the heat-setting speed of materials, and shorten the heat-setting time; the material is conveyed by the conveying device, which can realize continuous and rapid heat-setting of materials.

[0052] Some specific implementation modes described below are intended to facilitate those skilled in the art to understand the present embodiment, and the present embodiment is not limited to some specific implementation modes described below.

[0053] like Figure 1-Figure 2 As shown, an exemplary embodiment of the present application provides a material shaping device, including a frame 1, a conveying device 2 and a heat shaping device 3, wherein the frame 1 includes a heat shaping area 11; the conveying device 2 is arranged on the frame 1 and is used for conveying the material 10. Figure 1 , Figure 3 and Figure 4 As shown, the heat setting device 3 is arranged in the heat setting area 11, and the heat setting device 3 includes a first cavity 31, a microwave heating component 32 and a hot air heating component 33 arranged in the heat setting area 11. The first cavity 31 is provided with a first material channel 311 for the material 10 to pass through, a microwave feeding channel 312 connected to the first material channel 311, and a hot air channel 313 connected to the first material channel 311; the microwave heating component 32 performs microwave heating on the material 10 located in the first material channel 311 through the microwave feeding channel 312; the hot air heating component 33 performs hot air heating on the material 10 located in the first material channel 311 through the hot air channel 313.

[0054] In this embodiment, microwave heating is mainly used for fast heating speed, uniform heating inside and outside, easy control, and energy saving and environmental protection. Microwave heating is used as a supplement and hot air heating is used as a supplement. The efficiency of heat conduction can be improved, the heat setting speed of the material 10 can be increased, and the heat setting time can be shortened. In this embodiment, the heat setting temperature of the heat setting device 3 for the material 10 can be set at 40-95°C, and the heat setting temperature can be adjusted by adjusting the output power of the microwave heating component 32. The material 10 can be a glass fiber yarn ball. The glass fiber yarn ball is conveyed by the conveying device 2, and continuous heating and setting of the glass fiber yarn ball can be achieved to remove the internal stress accumulated in the winding of the glass fiber yarn ball, improve the deformation recovery ability, and maintain the state during setting. Among them, the conveying device 2 can be a chain plate conveyor, and its specific structure can refer to the relevant structure in the prior art, which will not be repeated here.

[0055] In one embodiment, the microwave heating assembly 32 includes at least one microwave source 321, at least one waveguide tube 322 and a cold air unit 323 arranged on the frame 1, one end of the at least one waveguide tube 322 is connected to the at least one microwave source 321, and the other end of the at least one waveguide tube 322 is connected to the microwave energy feeding channel 312; the cold air unit 323 is connected to the microwave source 321 for cooling the microwave source 321; wherein the cold air unit 323 includes a cooling air duct 3231 and a centrifugal fan 3232, one end of the cooling air duct 3231 is connected to the microwave source 321, and one end of the centrifugal fan 3232 is connected to an end of the cooling air duct 3231 away from the microwave source 321.

[0056] In this embodiment, the microwave radiation energy generated by the microwave source 321 is reflected by the inner wall of the waveguide 322 to the microwave feeding channel 312, and then diffused into the first material channel 311 through the microwave feeding channel 312, so as to perform microwave heating and shaping on the material 10 in the first material channel 311. Figure 1 The microwave energy feeding channel 312 is disposed at the top of the first cavity 31, and can send microwave radiation energy to the material 10 from top to bottom to improve the heating uniformity of the material 10. The movement path of the microwave radiation energy in the microwave energy feeding channel 312 is as follows: Figure 3 In addition, since the microwave source 321 generates a large amount of heat during operation, if the heat cannot be dissipated in time, the temperature of the device will be too high, which will affect the normal operation and service life of the device. Therefore, in this embodiment, by providing a cold air unit 323, the centrifugal fan 3232 can transport the cold air of the environment to the microwave source 321 through the cooling air duct 3231, and cool the microwave source 321 to maintain the normal operation of the microwave heating component 32.

[0057] In one embodiment, a plurality of microwave generating sources 321 are arranged along the length direction of the first material channel 311 , each microwave generating source 321 is connected to a plurality of waveguide tubes 322 arranged along the length direction of the first material channel 311 , and each waveguide tube 322 is connected to a plurality of microwave energy feeding channels 312 arranged along the width direction of the first material channel 311 .

[0058] In this embodiment, along the length direction of the first material channel 311, the first cavity 31 can be divided into a plurality of partitions, each partition is provided with a microwave heating component 32 and a hot air heating component 33, each microwave source 321 is connected to a plurality of waveguides 322 arranged along the length direction of the first material channel 311, and each waveguide 322 is connected to a plurality of microwave feeding channels 312 arranged along the width direction of the first material channel 311, so that a plurality of microwave feeding channels 312 can be arranged in the first material channel 311. By adjusting the output power of the microwave source 321 in each partition to adjust the microwave radiation energy of each partition, the heating temperature of the material 10 can be precisely controlled. Among them, the cold air unit 323 is located above the first cavity 31, and the cooling air duct 3231 of the cold air unit 323 is connected to a plurality of branch pipes of the microwave source 321 leading to different partitions to achieve cooling of the microwave source 321 in each partition. In this embodiment, the length direction of the first material channel 311 can be, for example, Figure 1 In the y direction, the width direction of the first material channel 311 can be, for example, Figure 1 The x direction in .

[0059] In one embodiment, if Figure 5 As shown, along the width direction of the first material channel 311 (i.e. Figure 5 In the up and down direction), a plurality of microwave feeding channels 312 are provided, and a first preset distance L1 is provided between adjacent microwave feeding channels 312 along the width direction of the first material channel 311, and a ratio of the first preset distance L1 to the diameter of the material 10 is 0.6-1.0:1.

[0060] In this embodiment, the material 10 takes a glass fiber yarn as an example, and the ratio of the first preset distance L1 to the diameter of the glass fiber yarn is 0.6-1.0:1, so that the glass fiber yarn can fully receive the microwave radiation energy sent by the microwave energy feeding channel 312 to improve the heat setting efficiency of the glass fiber yarn by the microwave heating component 32. Exemplarily, the ratio of the first preset distance L1 to the diameter of the glass fiber yarn is 0.6:1, 0.8:1, and 1.0:1.

[0061] In one embodiment, along the length direction of the first material channel 311 (i.e. Figure 5There are multiple microwave feeding channels 312, and there is a second preset distance L2 between adjacent microwave feeding channels 312 along the length direction of the first material channel 311. The ratio of the second preset distance L2 to the diameter of the material 10 is 1.0-1.5:1.

[0062] In this embodiment, since the glass fiber yarn is continuously transported at a certain interval in the first material channel 311, the ratio of the second preset distance L2 to the diameter of the glass fiber yarn is 1.0-1.5:1, so that the glass fiber yarn can continuously and stably receive microwave radiation energy while being continuously transported, so as to improve the uniformity of heating of the glass fiber yarn and improve the heat setting effect. Exemplarily, the ratio of the second preset distance L2 to the diameter of the glass fiber yarn is 1.0:1, 1.2:1, 1.5:1.

[0063] In one embodiment, if Figure 4 As shown, the hot air heating component 33 includes a first circulation fan 331 arranged in the first cavity 31 and a heating resistor 332 arranged in the hot air channel 313. The first circulation fan 331 draws the air in the first material channel 311 into the hot air channel 313, and heats the air through the heating resistor 332 located in the hot air channel 313. The heated air enters the first material channel 311 through the air outlet end of the hot air channel 313, and heats the material 10 located in the first material channel 311.

[0064] In this embodiment, Figure 4 As shown, the hot air duct is arranged around the first material channel 311, the first circulation fan 331 is arranged on one side of the first material channel 311, and the air outlet end of the hot air channel 313 is located on the other side of the first material channel 311. The first cavity 31 on this side is provided with a first ventilation hole plate connected to the hot air channel 313. The moving path of air in the first material channel 311 and the hot air channel 313 is as shown in FIG. Figure 4 As shown in the direction of the hollow arrow in the figure; through the cooperation of the first circulation fan 331 and the heating resistor wire 332, the sucked air can be heated, and the heated air enters the first material channel 311 through the air outlet end of the hot air channel 313 to heat the material 10 located in the first material channel 311. Among them, the number of heating resistor wires 332 in each partition is not less than two groups, and the total area of ​​the heating resistor wires 332 is slightly larger than or equal to the cross-sectional area of ​​the hot air channel 313, so as to ensure that the air in the hot air channel 313 can be fully in contact with the heating resistor wire 332, so as to improve the heat exchange efficiency of the air.

[0065] In one embodiment, if Figure 1 and Figure 6As shown, the frame 1 also includes a cooling area 12 located at the discharge end of the material 10, and the material shaping equipment also includes a cooling device 4 arranged in the cooling area 12, the cooling device 4 includes a second cavity 41 arranged in the cooling area 12, a second circulation fan 42 and an evaporator 43 arranged in the second cavity 41; the second cavity 41 is provided with a second material channel 411 for the material 10 to pass through and a cold air channel 412 connected to the second material channel 411, and the evaporator 43 is arranged in the cold air channel 412; the second circulation fan 42 draws the air in the second material channel 411 into the cold air channel 412, and cools the air through the evaporator 43 located in the cold air channel 412, and the cooled air enters the second material channel 411 through the air outlet end of the cold air channel 412, and cools the material 10 located in the second material channel 411.

[0066] In this embodiment, along the length direction of the second material channel 411, the second cavity 41 can be divided into a plurality of partitions, each of which is provided with a cooling device 4; wherein the length direction of the second material channel 411 is the same as the length direction of the first material channel 311, and both can be Figure 1 The cold air channel 412 is arranged around the second material channel 411, the second circulation fan 42 is arranged on one side of the second material channel 411, the air outlet end of the cold air channel 412 is located on the other side of the second material channel 411, and the second cavity 41 on this side is provided with a second ventilation hole plate connected to the cold air channel 412. The moving path of air in the second material channel 411 and the cold air channel 412 is as follows: Figure 6 As shown in the direction of the hollow arrow in; through the cooperation of the second circulation fan 42 and the evaporator 43, the sucked air can be cooled, and the cooled air enters the second material channel 411 through the air outlet of the cold air channel 412 to cool the material 10 located in the second material channel 411. Among them, the cooling device 4 also includes a cabinet arranged outside the second cavity 41, and the cabinet includes a compressor, a throttling device, a condenser and a cooling fan. The cabinet and the evaporator 43 use the compressor and the refrigerant to provide cooling energy to achieve cooling and cooling of the sucked air. In this embodiment, the cooling temperature of the cooling device 4 for the material 10 can be 40-50°C. By adjusting the power of the compressor in the cabinet, the refrigeration capacity of the evaporator 43 can be adjusted to adjust the temperature of the cold air after heat exchange, so as to achieve the adjustment of the cooling temperature of the cooling device 4.

[0067] In one embodiment, if Figure 1 As shown, the frame 1 also includes a microwave suppression area 13 located at the inlet and outlet ends of the heat setting area 11 , and the material setting equipment also includes a leakage suppressor arranged in the microwave suppression area 13 , which is used to suppress microwave leakage of the microwave heating component 32 .

[0068] In this embodiment, in the microwave suppression area 13 at the inlet and outlet ends of the heat setting area 11, leakage suppressors can be set at the two side ends and the top end of the first cavity 31. The leakage suppressor can adopt a comb plate type reactance leakage suppressor, which can reflect, attenuate and absorb the microwave radiation energy leaked from the heat setting area 11 through its own physical structure and electrical characteristics, thereby achieving the effect of suppressing microwave leakage.

[0069] In one embodiment, the frame 1 also includes a buffer area 14 located at the feed end and the discharge end of the material 10, and the material shaping equipment also includes a control device arranged in the buffer area 14, the control device includes a position sensor and a controller, the position sensor is arranged on the frame 1, and is used to count the material 10 on the conveying device 2; the controller is electrically connected to the position sensor and the conveying device 2.

[0070] In this embodiment, the feeding quantity can be counted by the control device arranged in the buffer area 14, and the microwave suppression area 13 is located between the buffer area 14 and the heat setting area 11. Among them, along the length direction of the first material channel 311, the position sensor can be at least one set of beam switches arranged on both sides of the rack 1. Figure 7 As shown, when there are multiple groups of beam switches, there is a third preset distance L3 between adjacent beam switches, and the ratio of the third preset distance L3 to the diameter of the glass fiber yarn is 1.0-1.5: 1. Exemplarily, the ratio of the third preset distance L3 to the diameter of the glass fiber yarn is 1.0: 1, 1.2: 1, 1.5: 1.

[0071] like Figure 8 As shown, an exemplary embodiment of the present application provides a material shaping process, using the above material shaping equipment, the material shaping process includes:

[0072] S100, turning on the microwave heating component, and if the environmental information meets the preset conditions, turning on the hot air heating component at the same time.

[0073] In step S100, the environmental information may be the ambient temperature, and the preset condition may be seasonal changes or process requirements. According to the ambient temperature, the microwave heating component 32 may be turned on alone or the microwave heating component 32 and the hot air heating component 33 may be turned on at the same time, thereby improving the heat setting effect on the material 10 and ensuring the stability of the heat setting process temperature.

[0074] S200, the conveying device conveys the material to the heat setting area, and heats the material through the microwave heating component or through the microwave heating component and the hot air heating component to heat and set the material.

[0075] In step S200, for example, when the ambient temperature is ≥20°C, only the microwave heating component 32 can be turned on, and the material 10 can be heat-set by the microwave heating component 32; when the ambient temperature is <20°C, the microwave heating component 32 and the hot air heating component 33 can be turned on at the same time, and the material 10 can be heat-set by the microwave heating component 32 and the hot air component together to improve the efficiency of heat setting.

[0076] In one embodiment, if Fig. 9 As shown, this embodiment is a further description of starting the microwave heating device in step S100 in the above embodiment, and starting the microwave heating device includes:

[0077] S110. When it is detected that the material enters the buffer area located at the material feed end, the travel time of the material to reach the first material channel is determined according to the conveying speed of the conveying device and the travel length from the buffer area to the first material channel.

[0078] In step S110, the position of the material 10 can be detected by a position sensor (a beam switch) disposed at the feeding end of the material 10, and the travel time of the material 10 to reach the first material channel 311 can be determined according to the conveying speed of the conveying device 2 and the travel length from the buffer area 14 to the first material channel 311. The conveying speed of the conveying device 2 can be, for example, 1-2 m / min.

[0079] S120. Based on the travel time, start the microwave heating component at a target time, where the target time is the time when the material reaches the first material channel for a first preset time.

[0080] In step S120, based on the travel time, the microwave heating component 32 is turned on at a first preset time when the material 10 reaches the first material channel 311, which can effectively achieve energy saving and consumption reduction of the equipment.

[0081] In one embodiment, the microwave heating assembly 32 includes a plurality of microwave generating sources 321 , and the output power of the microwave generating sources 321 decreases sequentially along the conveying direction of the material 10 .

[0082] In this embodiment, the conveying direction of the material 10 is the same as the length direction of the first material channel 311 and the length direction of the second material channel 411. Figure 1The first cavity 31 is divided into a plurality of partitions, and the output power of the microwave source 321 of each partition is gradually reduced, which can reduce the energy consumption of the equipment and improve the thermal setting effect of the material 10. For example, along the conveying direction of the material 10, the microwave heating assembly 32 includes seven groups of microwave sources 321, and the output power of each group of microwave sources 321 is gradually set to 100%, 95%, 90%, 85%, 80%, 75%, 70%, 65% of the rated power or set to 50%-100% of the rated power group by group.

[0083] In one embodiment, the microwave heating component 32 includes a plurality of microwave sources 321. When the buffer area 14 at the feeding end of the material 10 does not detect the material 10 within a second preset time period, the moment when the material 10 passes through the end of each microwave source 321 is determined according to the conveying speed of the conveying device 2 and the stroke length from the buffer area 14 to the end of each microwave source 321; when the moment when the material 10 passes through the end of each microwave source 321 is reached, the microwave source 321 is turned off.

[0084] In this embodiment, the microwave generating source 321 is started or shut down according to whether the material 10 is detected, so as to automatically save energy of the equipment.

[0085] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the embodiments disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and embodiments are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the claims of the present application.

[0086] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A material shaping device, characterized in that: include: a frame, the frame including a heat setting area; A conveying device, arranged on the frame, for conveying materials; A heat setting device, the heat setting device is arranged in the heat setting area, and the heat setting device comprises: A first cavity is arranged in the heat setting area, wherein the first cavity is provided with a first material channel for the material to pass through, a microwave energy feeding channel connected to the first material channel, and a hot air channel connected to the first material channel; a microwave heating component, wherein the microwave heating component performs microwave heating on the material in the first material channel through the microwave energy feeding channel; A hot air heating component is used to perform hot air heating on the material in the first material channel through the hot air channel.

2. The material shaping device according to claim 1, characterized in that: The microwave heating assembly comprises: At least one microwave generating source is arranged on the rack; At least one waveguide tube, one end of at least one of the waveguide tubes is connected to at least one of the microwave generating sources, and the other end of at least one of the waveguide tubes is connected to the microwave energy feeding channel; A cold air unit connected to the microwave source and used to cool the microwave source; The cold air unit comprises a cooling air duct and a centrifugal fan. One end of the cooling air duct is connected to the microwave generating source, and one end of the centrifugal fan is connected to an end of the cooling air duct away from the microwave generating source.

3. The material shaping device according to claim 2, characterized in that: Along the length direction of the first material channel, a plurality of microwave generating sources are arranged, each of the microwave generating sources is connected to a plurality of waveguide tubes arranged along the length direction of the first material channel, and each of the waveguide tubes is connected to a plurality of microwave energy feeding channels arranged along the width direction of the first material channel.

4. The material shaping device according to claim 1, characterized in that: A plurality of microwave energy feeding channels are provided along the width direction of the first material channel, and a first preset distance is provided between adjacent microwave energy feeding channels along the width direction of the first material channel, and a ratio of the first preset distance to the material diameter is 0.6-1.0:1; And / or, along the length direction of the first material channel, a plurality of microwave feeding channels are arranged, and a second preset distance is provided between adjacent microwave feeding channels along the length direction of the first material channel, and a ratio of the second preset distance to the material diameter is 1.0-1.5:

1.

5. The material shaping device according to claim 1, characterized in that: The hot air heating component includes a first circulation fan arranged in the first cavity and a heating resistor wire arranged in the hot air channel. The first circulation fan draws air in the first material channel into the hot air channel, and heats the air through the heating resistor wire located in the hot air channel. The heated air enters the first material channel through the air outlet end of the hot air channel, and heats the material located in the first material channel.

6. The material shaping device according to claim 1, characterized in that: The frame further includes a cooling area located at the material discharge end, the material shaping device further includes a cooling device arranged in the cooling area, the cooling device includes a second cavity arranged in the cooling area, a second circulation fan and an evaporator arranged in the second cavity; the second cavity is provided with a second material channel for the material to pass through and a cold air channel connected to the second material channel, and the evaporator is arranged in the cold air channel; The second circulation fan draws the air in the second material channel into the cold air channel, cools the air through the evaporator in the cold air channel, and the cooled air enters the second material channel through the air outlet of the cold air channel to cool the material in the second material channel; And / or, the rack further comprises microwave suppression areas located at the inlet and outlet ends of the heat setting area, and the material setting device further comprises a leakage suppressor arranged in the microwave suppression area, and the leakage suppressor is used to suppress microwave leakage of the microwave heating assembly; And / or, the frame also includes a buffer area located at the material feed end and the material discharge end, the material shaping equipment also includes a control device arranged in the buffer area, the control device includes a position sensor and a controller, the position sensor is arranged on the frame, and is used to count the material on the conveying device; the controller is electrically connected to the position sensor and the conveying device.

7. A material shaping process, characterized in that: Using the material shaping device according to any one of claims 1 to 6, the material shaping process includes: Turning on the microwave heating component, and if the environmental information meets the preset conditions, turning on the hot air heating component at the same time; The conveying device conveys the material to the heat setting area, and heats the material through the microwave heating component or through the microwave heating component and the hot air heating component to heat and set the material.

8. The material shaping process according to claim 7, characterized in that: The starting of the microwave heating device comprises: When it is detected that the material enters the buffer area located at the material feed end, the travel time of the material to reach the first material channel is determined according to the conveying speed of the conveying device and the travel length from the buffer area to the first material channel; Based on the travel time, the microwave heating component is turned on at a target time, and the target time is the time when the material distance reaches the first preset time length of the first material channel.

9. The material shaping process according to claim 7, characterized in that: The microwave heating assembly comprises a plurality of microwave generating sources, and the output power of each microwave generating source decreases in sequence along the conveying direction of the material.

10. The material shaping process according to claim 7, characterized in that: The microwave heating assembly comprises a plurality of microwave generating sources, and when the buffer area at the material feeding end does not detect the material within a second preset time period, the time when the material passes through the end of each microwave generating source is determined according to the conveying speed of the conveying device and the travel length from the buffer area to the end of each microwave generating source; When the material reaches the moment when it passes the end of each microwave generating source, the microwave generating source is turned off.

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