A heating device

Abstract

The present invention provides a heating device, comprising: a connecting component, including a connecting plate and a movable plate movably connected to the connecting plate; a first heating component is connected to the movable plate; the first heating component heats an object entering the first heating component by induction heating; a second heating component is connected to the movable plate; the second heating component is arranged at a certain distance from the first heating component; the second heating component comprises: a heat pipe, a heating element, a shell and a heat collecting structure; the heat pipe is provided with a through hole for the object to pass through; the heating element is sleeved outside the heat pipe; the shell is sleeved outside the heating element; there is a gap space between the inner wall surface of the shell and the outer wall surface of the heating element; the heat collecting structure is sleeved in the gap space. When the movable plate moves relative to the connecting plate, it drives the first heating component and the second heating component to move synchronously. The present invention provides a heating device, which provides a variety of heating methods, and the user can flexibly choose according to the heating needs.

Description

Technical Field

[0001] The invention belongs to the technical field of heating equipment, and in particular relates to a heating device. Background Art

[0002] Thermoforming is a processing method in which a block of material is heated to a temperature range above the softening point and below the melting temperature, and then pressed against the mold surface under the action of external force (such as air pressure, mechanical pressure, etc.), and a product of the desired shape is obtained after cooling.

[0003] In the thermoforming process, the material block needs to be preheated. In the prior art, the material block is usually heated to a preset temperature in a heating furnace, and then the material block is taken out of the heating furnace and placed in a mold for subsequent processing. The existing heating furnace has a single heating method and an inflexible heating method. The processing method operation process is discontinuous and the operation efficiency is low. Summary of the invention

[0004] The purpose of the present invention is to provide a heating device, aiming to solve the technical problems existing in the prior art that the heating method is single and the heating method is inflexible.

[0005] To achieve the above object, the technical solution adopted by the present invention is: to provide a heating device, comprising:

[0006] A connecting assembly, comprising a connecting plate and a movable plate movably connected to the connecting plate;

[0007] A first heating component is connected to the movable plate; the first heating component heats the object entering the first heating component by induction heating;

[0008] A second heating component is connected to the movable plate; the second heating component is arranged at a certain distance from the first heating component; the second heating component includes: a heat pipe, a heating element, a shell and a heat collecting structure; the heat pipe is provided with a through hole for an object to pass through; the heating element is sleeved outside the heat pipe; the heating element heats the heat pipe when in operation; the shell is sleeved outside the heating element; there is a gap space between the inner wall surface of the shell and the outer wall surface of the heating element; the heat collecting structure is sleeved in the gap space.

[0009] When the movable plate moves relative to the connecting plate, the first heating component and the second heating component are driven to move synchronously.

[0010] Preferably, the movable plate can generate reciprocating motion in a lateral direction relative to the connecting plate.

[0011] Preferably, the second heating assembly further comprises: a valve body assembly disposed on the shell; the valve body assembly is communicated with the gap space; and the valve body assembly is used to extract gas in the gap space.

[0012] Preferably, the housing comprises:

[0013] The shell body is sleeved outside the heat generating body;

[0014] A first air inlet plate is disposed at one end of the shell body; the first air inlet plate is in contact with one end of the heat collecting structure;

[0015] A first air guide pipe seat, one end of which is connected to an end of the first air inlet plate away from the shell body; and the other end is an open end;

[0016] A second flow guide pipe seat is arranged at the other end of the shell body;

[0017] A cooling plate is arranged at the other end of the shell body, and the cooling plate is sleeved outside the second guide pipe seat;

[0018] The second air inlet disk is connected to the end surface of the cooling disk facing away from the shell body.

[0019] Preferably, the housing body comprises:

[0020] An inner shell is sleeved outside the heat collecting structure;

[0021] The outer shell is sleeved outside the inner shell; the upper and lower ends of the outer shell are sealed and connected to the upper and lower ends of the inner shell through connecting parts respectively; there is a sealed gap between the outer shell and the inner shell, and the sealed gap is filled with inert gas or is in a vacuum state.

[0022] Preferably, the second heating component further comprises: a temperature measuring component connected to the shell and used to measure the temperature of the gap space.

[0023] Preferably, the second heating assembly further comprises: a vacuum cover detachably connected to the shell; when the vacuum cover is connected to the end of the shell, the two ends of the heat conducting pipe are blocked.

[0024] Preferably, one end of the shell is connected to the vacuum cover through a connecting pipe.

[0025] Preferably, the first heating component comprises:

[0026] The heating tube is provided with a through hole penetrating the heating tube in a height direction;

[0027] A second shell is sleeved outside the heating tube;

[0028] The heating assembly includes an induction heating coil disposed in the heating tube and a connector connected to the second shell, wherein the connector is connected to the energy supply structure. When the energy supply structure is in operation, the induction heating coil heats the object inserted into the through hole.

[0029] Preferably, a plurality of partitions are provided in the heating tube at intervals along the height direction; the partitions are used to divide the internal space of the heating tube into a plurality of areas.

[0030] The beneficial effect of a heating device provided by the present invention is that: compared with the prior art, a heating device of the present invention provides a variety of heating methods through the setting of the first heating component and the second heating component. The user can flexibly choose according to the heating needs, which can effectively expand the scope of application of the device. The setting of the connecting component can facilitate the relative movement of the first heating component and the second heating component. The first heating component and the second heating component are respectively provided with through holes in the axial direction, and both can heat the area within the through holes. The device can realize that after the material heating operation is completed, the heated material can be directly transported into the mold, which can effectively improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of a heating device provided in an embodiment of the present invention Figure 1 ;

[0033] Figure 2 A schematic diagram of a heating device provided in an embodiment of the present invention Figure 2 ;

[0034] Figure 3 A schematic diagram of a heating device provided in an embodiment of the present invention Figure 3 ;

[0035] Figure 4 A schematic diagram of a heating device provided in an embodiment of the present invention Figure 4 ;

[0036] Figure 5 A schematic diagram of the relative states between a first heating component and a second heating component in a heating device provided by an embodiment of the present invention;

[0037] Figure 6A schematic diagram of the structure of a first heating component used in a heating device provided in an embodiment of the present invention Figure 1 ;

[0038] Figure 7 A schematic diagram of the structure of a first heating component used in a heating device provided in an embodiment of the present invention Figure 2 ;

[0039] Figure 8 A schematic diagram of the structure of a first heating component used in a heating device provided in an embodiment of the present invention Figure 3 ;

[0040] Fig. 9 for Figure 8 Schematic diagram of the structure in section along line AA.

[0041] Fig.10 A schematic diagram of the structure of a second heating component used in a heating device provided in an embodiment of the present invention Figure 1 ;

[0042] Fig.11 A schematic diagram of the structure of a second heating component used in a heating device provided in an embodiment of the present invention Figure 2 ;

[0043] Fig.12 for Fig.11 Schematic diagram of the structure viewed along line BB.

[0044] In the figure: 1. connecting component; 11. connecting plate; 12. movable plate; 2. first heating component; 21. second shell; 211. third through hole; 22. heating component; 221. induction heating coil; 222. connecting body; 23. heating tube; 231. through hole; 232. partition; 233. second through hole; 3. second heating component; 31. heat pipe; 32. heating element; 33. shell; 331. shell body; 332. first air inlet disk; 333. first flow guide tube seat; 334. second flow guide tube seat; 335. cooling disk; 336. second air inlet disk; 34. temperature collection structure; 35. valve body assembly; 36. vacuum cover; 37. temperature measuring assembly; 38. flow guide sleeve; 39. connecting tube. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0047] Reference Figures 1 to 12 , a heating device provided by the present invention is now described. The heating device comprises: a connecting component 1, a first heating component 2, and a second heating component 3; the connecting component 1 comprises a connecting plate 11 and a movable plate 12 movably connected to the connecting plate 11; the first heating component 2 is connected to the movable plate 12; the first heating component 2 heats an object entering the first heating component 2 by induction heating; the second heating component 3 is connected to the movable plate 12; the second heating component 3 is arranged at a certain distance from the first heating component 2; the second heating component 3 comprises: a heat pipe 31, a heating element 32, a shell 33 and a heat collecting structure 34; the heat pipe 31 is provided with a through hole for an object to pass through; the through hole penetrates the heat pipe 31 axially; the heating element 32 is sleeved on the outside of the heat pipe 31; the heating element 32 heats the heat pipe 31 when in operation; the shell 33 is sleeved on the outside of the heating element 32; there is a gap space between the inner wall surface of the shell 33 and the outer wall surface of the heating element 32; the heat collecting structure 34 is sleeved in the gap space; the heat collecting structure 34 is used to collect and keep warm the heat generated by the heating element 32. When the movable plate 12 moves relative to the connecting plate 11 , the first heating component 2 and the second heating component 3 are driven to move synchronously.

[0048] As a specific implementation of the embodiment of the present invention, refer to Figures 1 to 5 , the movable plate 12 is an "L"-shaped plate body; the movable plate 12 includes a side plate and a transverse plate connected to one end of the side plate; the side plate is slidably connected to the connecting plate 11. The movable plate 12 can reciprocate laterally relative to the connecting plate 11. A first connecting position for connecting and fixing the first heating component 2 is provided on the transverse plate. A second connecting position for connecting and fixing the second heating component 3 is provided on the transverse plate. The first connecting position and the second connecting position are arranged at a certain distance. In any feasible embodiment, sliders are respectively provided at the upper and lower ends of the side surface of the side plate. Slide grooves adapted to the sliders are respectively provided at the upper and lower ends of the connecting plate 11. Through the cooperation of the slider and the slide groove, the movable plate 12 can move laterally relative to the connecting plate 11. The first connecting position and the second connecting position are respectively mounting hole structures.

[0049] As a specific implementation of the embodiment of the present invention, refer to Figures 1 to 12 The second heating assembly 3 further includes: a valve assembly 35 disposed on the housing 33; the valve assembly 35 is connected to the gap space; and the valve assembly 35 is used to extract the gas in the gap space. In any feasible embodiment, the valve assembly 35 is a vacuum valve, which is connected to the housing 33, and one end of the vacuum valve extends into the gap space. The gas in the gap space can be extracted through the operation of the vacuum valve, so that the gap space is in a vacuum state, which can effectively reduce the ineffective loss of heat.

[0050] In some feasible embodiments, the heating element 32 is a cylindrical structure. The heating element 32 is sleeved outside the heat-conducting tube 31. The axis of the heating element 32 coincides with the axis of the heat-conducting tube 31. The upper end of the heating element 32 is in sealing contact with the outer side surface of the heat-conducting tube 31. The lower end of the heating element 32 is in sealing contact with the outer side surface of the heat-conducting tube 31. An energizing component is connected to the heating element 32, and the energizing component includes an electric plate connected to the heating element 32 and a power supply structure connected to the electric plate. The power supply structure is energized, and energy is supplied to the heating element 32 through the electric plate, so that the heating element 32 generates heat.

[0051] In some feasible embodiments, the shell 33 includes: a shell body 331 is sleeved on the outside of the heating element 32; a first air inlet plate 332 is arranged at one end of the shell body 331; the first air inlet plate 332 is in contact with one end of the heat collecting structure 34; one end of the first air guide pipe seat 333 is connected to the end of the first air inlet plate 332 facing away from the shell body 331; the other end is an open end; a second air guide pipe seat 334 is arranged at the other end of the shell body 331; a cooling plate 335 is arranged at the other end of the shell body 331, and the cooling plate 335 is sleeved on the outside of the second air guide pipe seat 334; the second air inlet plate 336 is connected to the end face of the cooling plate 335 facing away from the shell body 331.

[0052] In some feasible embodiments, the shell body 331 includes: an inner shell and an outer shell, the inner shell is sleeved outside the heat collecting structure 34; the outer shell is sleeved outside the inner shell; the upper and lower ends of the outer shell are sealed and connected to the upper and lower ends of the inner shell through connecting parts respectively; there is a sealed gap between the outer shell and the inner shell, and the sealed gap is filled with inert gas or is in a vacuum state. The structural setting of the shell body 331 can effectively reduce the heat loss efficiency.

[0053] In some feasible embodiments, the first air inlet disk 332 is in communication with the gap space, the first air inlet disk 332 is connected to the first external pipeline, and the first external pipeline is connected to the air pump structure. When the air pump structure is in operation, air can be supplied to the first air inlet disk 332 through the first external pipeline, and the air can eventually enter the gap space.

[0054] The second air inlet disk 336 is connected to the gap space, the first air inlet disk 332 is connected to the second external pipeline, and the second external pipeline is connected to the air pump structure. When the air pump structure is in operation, air can be supplied to the second air inlet disk 336 through the second external pipeline, and the air can eventually enter the gap space.

[0055] The cooling plate 335 is provided with a plurality of cooling channels, which are connected to the refrigeration structure through the third external pipe. The refrigeration structure injects refrigerant into the cooling channel through the third external pipe, and drives the refrigerant to circulate to cool the device.

[0056] In some feasible embodiments, the heat collecting structure 34 is a cylindrical structure. The cylindrical structure is sleeved outside the heating element 32. The axis of the heat collecting structure 34 coincides with the axis of the heat conducting tube 31. The material of the heat collecting structure 34 is graphite. The cylindrical structure is provided with a connecting hole that penetrates the cylindrical structure in the radial direction. The setting of the connecting hole facilitates the valve body assembly 35 to quickly extract the gas in the gap space.

[0057] As a specific implementation of the embodiment of the present invention, the second heating assembly 3 further includes: a vacuum cover 36, which is detachably connected to the housing 33. Two groups of vacuum covers 36 are provided. When the vacuum covers 36 are connected to both ends of the housing 33 respectively, both ends of the heat conducting pipe 31 are blocked.

[0058] In some feasible embodiments, the first flow guide tube seat 333 is connected to the vacuum cover 36 via a connecting tube 39. That is, the end of the first flow guide tube seat 333 away from the first air inlet plate 332 is connected to the connecting tube 39, and the end of the connecting tube 39 away from the first flow guide tube seat 333 is detachably connected to the vacuum cover 36. The connecting tube 39 can be connected and fixed to the external structure. Specifically, the connecting tube 39 is adapted to the second connection position. By connecting and fixing the connecting tube 39 to the external structure, the graphite furnace is fixed to the external structure.

[0059] As a specific implementation of the embodiment of the present invention, the second heating component 3 further includes: a temperature measuring component 37 connected to the housing 33, one end of the temperature measuring component 37 extends into the gap space. The temperature measuring component 37 is used to measure the temperature of the gap space.

[0060] As a specific implementation of the embodiment of the present invention, refer to Figures 1 to 5 The second heating assembly 3 also includes: a guide sleeve 38 with one end extending into the heat pipe 31 and the other end connected to the first guide pipe seat 333.

[0061] As a specific implementation of the embodiment of the present invention, refer to Figures 1 to 9The first heating assembly 2 includes: a heating tube 23, a second shell 21 and a heating assembly 22. The heating tube 23 is provided with a through hole 231 that penetrates the heating tube 23 in the height direction; the second shell 21 is sleeved outside the heating tube 23; the heating assembly 22 includes an induction heating coil 221 disposed in the heating tube 23, and a connecting body 222 connected to the second shell 21. One end of the connecting body 222 penetrates the heating tube 23 and is connected to the induction heating coil 221, and the other end is connected to the energy supply structure. When the energy supply structure is in operation, the induction heating coil 221 performs non-contact heating on the object inserted into the through hole 231.

[0062] In some feasible embodiments, the connector 222 includes a first connector and a second connector that is spaced a certain distance from the first connector, one end of the first connector is connected to one end of the induction heating coil, and the other end is electrically connected to the energy supply structure. One end of the second connector is connected to the other end of the induction heating coil, and the other end is electrically connected to the energy supply structure. The axis of the induction heating coil coincides with the axis of the through hole 231. When the structure to be heated passes through the through hole 231, it also passes through the induction heating coil. The energy supply structure supplies power and transmits electrical energy to the induction heating coil through the connector 222, and the induction heating coil generates heat to heat the structure to be heated.

[0063] In some feasible embodiments, a plurality of partitions 232 are provided in the heating tube 23 at intervals along the height direction. The partitions 232 are used to divide the internal space of the heating tube 23 into a plurality of regions, and the number of regions is the number of the partitions 232 plus one. The partitions 232 are provided with through holes that coincide with the through holes 231. The heating components 22 are provided with a plurality of groups. The number of the heating components 22 provided corresponds to the number of regions into which the internal space of the heating tube is divided.

[0064] In any achievable embodiment, two partitions 232 are provided in the heating tube 23 at equal intervals in the height direction. The partition 232 is used to divide the internal space of the heating tube 23 into three areas, each area is provided with a group of heating components 22. The heating components 22 are provided with multiple groups to effectively improve the heating efficiency. The material of the heating tube 23 is graphite. The material of the partition 232 is graphite. The inner wall surface of the second shell 21 is provided with a heat insulation coating structure.

[0065] In any feasible embodiment, the heating tube 23 is provided with a first mounting hole, and the first mounting hole is used to install the connecting body 222. The heating tube 23 is provided with a second through hole 233. The second shell 21 is a tube structure. The second shell 21 is sleeved outside the heating tube 23, and the second shell 21 and the heating tube 23 are connected and fixed by a sealing structure. The second shell 21 is provided with a second mounting hole corresponding to the first mounting hole. The second shell 21 is provided with a third through hole 211 corresponding to the second through hole 233. There is a gap space between the inner wall surface of the second shell 21 and the outer wall surface of the heating tube 23.

[0066] The beneficial effect of a heating device provided by the present invention is that: compared with the prior art, a heating device of the present invention provides a variety of heating methods through the setting of the first heating component 2 and the second heating component 3, and the user can flexibly choose according to the heating needs, which can effectively expand the scope of application of the device. The setting of the connecting component 1 can facilitate the relative movement of the first heating component 2 and the second heating component 3. The first heating component 2 and the second heating component 3 are respectively provided with through holes in the axial direction, and both can heat the area within the through holes. The device can realize that after the material heating operation is completed, the heated material can be directly transported into the mold, which can effectively improve the processing efficiency.

[0067] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present invention.

[0068] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0069] The above is a detailed introduction to a heating device provided by the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A heating device, characterized in that: include: A connecting assembly (1) comprising a connecting plate (11) and a movable plate (12) movably connected to the connecting plate (11); A first heating component (2) is connected to the movable plate (12); the first heating component (2) heats an object entering the first heating component (2) by induction heating; A second heating component (3) is connected to the movable plate (12); the second heating component (3) is arranged at a certain distance from the first heating component (2); the second heating component (3) comprises: a heat-conducting pipe (31), a heating element (32), a shell (33) and a heat-collecting structure (34); the heat-conducting pipe (31) is provided with a through hole for an object to pass through; the heating element (32) is sleeved outside the heat-conducting pipe (31); the heating element (32) heats the heat-conducting pipe (31) when in an operating state; the shell (33) is sleeved outside the heating element (32); a gap space exists between the inner wall surface of the shell (33) and the outer wall surface of the heating element (32); the heat-collecting structure (34) is sleeved in the gap space; When the movable plate (12) moves relative to the connecting plate (11), it drives the first heating component (2) and the second heating component (3) to move synchronously.

2. A heating device according to claim 1, characterized in that: The movable plate (12) can generate reciprocating motion in the lateral direction relative to the connecting plate (11).

3. A heating device according to claim 2, characterized in that: The second heating component (3) further comprises: a valve body component (35) arranged on the shell (33); the valve body component (35) is in communication with the gap space; and the valve body component (35) is used to extract gas in the gap space.

4. A heating device as claimed in claim 3, characterized in that: The housing (33) comprises: The shell body (331) is sleeved outside the heating element (32); A first air inlet disk (332) is disposed at one end of the shell body (331); the first air inlet disk (332) is in contact with one end of the heat collecting structure (34); A first air guide pipe seat (333), one end of which is connected to an end of the first air inlet plate (332) away from the shell body (331); and the other end is an open end; A second flow guide pipe seat (334) is arranged at the other end of the shell body (331); A cooling plate (335) is arranged at the other end of the shell body (331), and the cooling plate (335) is sleeved outside the second flow guide pipe seat (334); The second air inlet disk (336) is connected to the end surface of the cooling disk (335) facing away from the shell body (331).

5. A heating device as claimed in claim 4, characterized in that: The housing body (331) comprises: An inner shell is sleeved outside the heat collecting structure (34); The outer shell is sleeved outside the inner shell; the upper and lower ends of the outer shell are sealed and connected to the upper and lower ends of the inner shell through connecting parts respectively; there is a sealed gap between the outer shell and the inner shell, and the sealed gap is filled with inert gas or is in a vacuum state.

6. A heating device as claimed in claim 5, characterized in that: The second heating component (3) further comprises: a temperature measuring component (37) connected to the shell (33) and used for measuring the temperature of the gap space.

7. A heating device according to claim 6, characterized in that: The second heating component (3) further comprises: a vacuum cover (36) detachably connected to the shell (33); when the vacuum cover (36) is connected to the end of the shell (33), the two ends of the shell (33) are sealed.

8. A heating device according to claim 7, characterized in that: One end of the shell (33) is connected to the vacuum cover (36) via a connecting pipe (39).

9. A heating device according to any one of claims 1 to 8, characterized in that: The first heating component (2) comprises: The heating tube (23) is provided with a through hole (231) penetrating the heating tube (23) in a height direction; A second shell (21) is sleeved outside the heating tube (23); The heating assembly (22) comprises an induction heating coil (221) disposed in the heating tube (23), and a connecting body (222) connected to the second shell (21), wherein the connecting body (222) is connected to an energy supply structure; when the energy supply structure is in operation, the induction heating coil (221) heats an object inserted into the through hole (231).

10. A heating device according to claim 9, characterized in that: A plurality of partitions (232) are arranged at intervals in the height direction inside the heating tube (23); the partitions (232) are used to divide the internal space of the heating tube (23) into a plurality of areas.

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