Large multi-surface heating thermoforming furnace

Abstract

The invention discloses a large multi-face heating thermoforming furnace which comprises an upper heating platform, a right furnace door, a lower heating platform, a front furnace door, a left furnace door, a rear furnace door, a main machine frame, a hydraulic system and a hydraulic sliding block. The hydraulic system is mounted at the upper end of the host frame, and a hydraulic main cylinder of the hydraulic system extends to the middle of the host frame through a through hole in the upper end of the host frame and is connected with the hydraulic slider; the upper heating platform is in threaded connection with the hydraulic sliding block; the lower heating platform is screwed at the lower end of the host frame; the right furnace door, the front furnace door, the left furnace door and the rear furnace door are installed on installation blocks of stand columns of the main machine frame through opening and closing devices respectively and located on the right side, the front side, the left side and the rear side of the main machine frame respectively. According to the large multi-face heating thermoforming furnace, on the basis that heating is achieved through the upper heating platform and the lower heating platform, the right side furnace door, the front furnace door, the left side furnace door and the rear furnace door can be heated at the same time, the heating efficiency of the thermoforming furnace during working is greatly improved, and meanwhile the temperature uniformity in the furnace is ensured.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of hot processing equipment, and particularly relates to a large multi-surface heating hot forming furnace. BACKGROUND

[0002] The working principle of the hot forming equipment is to complete the hot processing of the parts in the mold in the closed furnace. The specific operation process is as follows: first, open the front and rear furnace doors, fix the mold and parts to be processed on the heating platform, and close the furnace door; then, heat the furnace, and process the parts when the temperature reaches the predetermined temperature; finally, open the front and rear furnace doors, take out the parts, and complete the processing.

[0003] Through the understanding of the working principle of the hot forming equipment, the temperature rising efficiency in the furnace and the heat preservation effect during the processing are very important for the hot forming equipment during the processing. At the same time, since the furnace door cannot be opened during the processing, the uniformity of the temperature in the furnace is also very important. The arrangement of the heating parts of the conventional heating furnace is unreasonable, which leads to the fact that the temperature in the furnace is mostly higher in the middle and lower at both sides, and the temperature at both sides cannot reach the required temperature for processing. Especially in a relatively large hot forming furnace, this phenomenon is particularly obvious, and the uniformity of the temperature in the furnace is not good, which seriously affects the hot processing effect. SUMMARY

[0004] The technical problem of the present application is to overcome the shortcomings of the prior art, and to provide a large multi-surface heating hot forming furnace, which aims to solve the problem of slow processing efficiency caused by slow temperature rising efficiency and poor temperature distribution uniformity in the furnace of a large hot forming equipment.

[0005] In order to solve the above technical problems, the present application discloses a large multi-surface heating hot forming furnace, which comprises an upper heating platform, a right side furnace door, a lower heating platform, a front furnace door, a left side furnace door, a rear furnace door, a main frame, a hydraulic system and a hydraulic slide block. The hydraulic system is installed on the upper end of the main frame, the hydraulic master cylinder of the hydraulic system extends to the middle part of the main frame through the through hole on the upper end of the main frame, and is connected with the hydraulic slide block. The upper heating platform is screwed with the hydraulic slide block. The lower heating platform is screwed on the lower end of the main frame. The right side furnace door, the front furnace door, the left side furnace door and the rear furnace door are respectively installed on the mounting block of the main frame column through the opening and closing device, and are respectively located on the right side, the front side, the left side and the rear side of the main frame.

[0006] In the above-mentioned large multi-surface heating hot forming furnace, the hydraulic system works, the hydraulic slide block is driven to slide up and down by the hydraulic master cylinder, and then drives the upper heating platform to move up and down, cooperates with the lower heating platform, and realizes the hot pressure forming of the parts.

[0007] In the above-mentioned large multi-surface heating hot forming furnace, the lower heating platform is used for installing the heating mold and providing the lower plane heating function.

[0008] In the large multi-surface heating hot forming furnace, the right side furnace door is used to provide heat preservation and right side surface heating functions; the front furnace door is used to provide heat preservation and front surface heating functions; the left side furnace door is used to provide heat preservation and left side surface heating functions; and the rear furnace door is used to provide heat preservation and rear surface heating functions.

[0009] In the large multi-surface heating hot forming furnace, the lower heating platform comprises a heating water cooling plate, heat preservation bricks, a heat preservation coaming, a high-temperature-resistant metal heating platform, heating pipes A and a pull rod; the heat preservation bricks are installed on the heating water cooling plate; the heat preservation coaming is installed outside the heat preservation bricks, and the heat preservation coaming and the heat preservation bricks are filled with heat preservation materials; the high-temperature-resistant metal heating platform is installed on the heat preservation bricks; the heating pipes A are uniformly distributed in the high-temperature-resistant metal heating platform; and the pull rod penetrates through the high-temperature-resistant metal heating platform, the heat preservation bricks and the heating water cooling plate to ensure the installation reliability and positioning accuracy of the whole lower heating platform.

[0010] In the large multi-surface heating hot forming furnace, the heating water cooling plate is internally provided with a hollow water channel, and cooling water is circulated in the hollow water channel to ensure the cooling of the lower part of the high-temperature-resistant metal heating platform during the heating process, so that high temperature cannot penetrate to the lower motor and components; the heat preservation bricks, the heat preservation coaming and the heat preservation materials are used to reduce the temperature and heat loss generated by the high-temperature-resistant metal heating platform; the pull rod is provided with a threaded structure at both ends, and the high-temperature-resistant metal heating platform, the heat preservation bricks and the heating water cooling plate are tightly compressed by nuts to prevent loosening caused by thermal expansion and cold contraction during use; the surface of the high-temperature-resistant metal heating platform is mirror-finished to improve the heat radiation efficiency and enhance the adhesion to the mold; the heating pipes A generate heat after being powered on, so that the whole lower heating platform reaches a preset temperature and heats the components and the lower plane of the mold; the heating pipes A are uniformly distributed in the high-temperature-resistant metal heating platform to ensure uniform temperature distribution and temperature control accuracy of ±5℃.

[0011] In the large multi-surface heating hot forming furnace, the right side furnace door and the left side furnace door have the same structure, comprising a side door frame, a side door cooling assembly, a heat preservation cover plate A, a side door pull rod assembly, heating pipes B and a high-temperature-resistant metal cover plate A; the side door frame is installed on the mounting block of the main machine frame stand column through an opening and closing device; the side door cooling assembly is installed between the side door frame and the opening and closing device, and the side door cooling assembly is filled with circulating cooling water during the heating process to reduce the temperature; the heat preservation cover plate A is fixed on the side door frame through the side door pull rod assembly, the side door pull rod assembly is provided with a threaded structure at both ends, and each layer of components is tightly compressed by nuts to prevent loosening caused by thermal expansion and cold contraction during use; the heat preservation cover plate A and the side door frame are filled with heat preservation materials; the heating pipes B are installed between the heat preservation cover plate A and the high-temperature-resistant metal cover plate A and are connected by penetrating through the bolts to realize the side heating function.

[0012] In the large multi-surface heating hot forming furnace, the front furnace door and the rear furnace door have the same structure, comprising: front and rear door frames, front and rear door cooling assemblies, heat preservation cover plates B, front and rear door pull rod assemblies, heating pipes C and high-temperature-resistant metal cover plates B; wherein the front and rear door frames are installed on the mounting blocks of the main machine frame stand columns through the opening and closing device; the front and rear door cooling assemblies are installed between the front and rear door frames and the opening and closing device, and circulating cooling water is filled in the front and rear door cooling assemblies during the heating process, so as to play a temperature reduction role; the heat preservation cover plates B are fixed on the front and rear door frames through the front and rear door pull rod assemblies, threaded structures are arranged at two ends of the front and rear door pull rod assemblies, the compression and tightness of each layer component are realized through nut locking, and loosening caused by thermal expansion and cold contraction during use is prevented; the heat preservation cover plates B are filled with heat preservation materials between the front and rear door frames; the heating pipes C are installed between the heat preservation cover plates B and the high-temperature-resistant metal cover plates B, and are connected through bolts in penetration, so as to realize front and rear surface heating functions.

[0013] The present application has the following advantages: The present application discloses a large multi-surface heating hot forming furnace, which can simultaneously heat the right furnace door, the front furnace door, the left furnace door and the rear furnace door on the basis of the heating of the upper heating platform and the lower heating platform, greatly improves the heating efficiency of the hot forming furnace during work, and ensures the temperature uniformity in the furnace. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of a large multi-surface heating hot forming furnace in the embodiment of the present application; Figure 2 is a structural schematic diagram of a lower heating platform in the embodiment of the present application; Figure 3 is a structural schematic diagram of a left / right furnace door in the embodiment of the present application; Figure 4 is a side view of a left / right furnace door in the embodiment of the present application; Figure 5 is a structural schematic diagram of a front / rear furnace door in the embodiment of the present application; Figure 6 is a side view of a front / rear furnace door in the embodiment of the present application. DETAILED DESCRIPTION

[0015] To make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the disclosed embodiments of the present application in combination with the drawings.

[0016] Refer to Figure 1In the embodiment, the large multi-surface heating hot forming furnace comprises an upper heating platform 101, a right furnace door 102, a lower heating platform 103, a front furnace door 104, a left furnace door 105, a rear furnace door 106, a main machine frame, a hydraulic system and a hydraulic slide. The hydraulic system is installed on the upper end of the main machine frame, the hydraulic master cylinder of the hydraulic system extends to the middle part of the main machine frame through the through hole on the upper end of the main machine frame, and is connected with the hydraulic slide. The upper heating platform 103 is screwed with the hydraulic slide. The lower heating platform 103 is screwed on the lower end of the main machine frame. The right furnace door 102, the front furnace door 104, the left furnace door 105 and the rear furnace door 106 are respectively installed on the mounting blocks of the vertical columns of the main machine frame through the opening and closing devices, and are respectively located on the right side, the front side, the left side and the rear side of the main machine frame.

[0017] In the embodiment, the hydraulic system works, the hydraulic slide is driven to slide up and down by the hydraulic master cylinder, and then the upper heating platform 103 is driven to move up and down, cooperates with the lower heating platform 103, and realizes the hot press forming of the part. The lower heating platform 103 is used for installing the heating mold and providing the lower plane heating function. The right furnace door 102 is used for providing the heat preservation and right side heating function. The front furnace door 104 is used for providing the heat preservation and front heating function. The left furnace door 105 is used for providing the heat preservation and left side heating function. The rear furnace door 106 is used for providing the heat preservation and rear heating function.

[0018] In the embodiment, as shown in Figure 2 , the lower heating platform 103 mainly comprises a heating water cooling plate 201, heat preservation bricks 202, heat preservation coaming 203, high-temperature-resistant metal heating platform 204, heating pipe A 205 and pull rod 206. The heat preservation bricks 202 are installed on the heating water cooling plate 201. The heat preservation coaming 203 is installed outside the heat preservation bricks 202, and the heat preservation coaming 203 and the heat preservation bricks 202 are filled with heat preservation material. The high-temperature-resistant metal heating platform 204 is installed on the heat preservation bricks 202. The heating pipe A 205 is uniformly distributed in the high-temperature-resistant metal heating platform 204. The pull rod 206 penetrates through the high-temperature-resistant metal heating platform 204, the heat preservation bricks 202 and the heating water cooling plate 201, and ensures the installation reliability and positioning accuracy of the whole lower heating platform 103.

[0019] Further, the heating water cooling plate 201 is internally provided with a hollow water channel, cooling water is circulated in the hollow water channel to ensure cooling of the lower part of the high-temperature-resistant metal heating platform 204 during the heating process of the thermoforming furnace, so that high temperature cannot penetrate to the motor and components below; the heat preservation bricks 202, the heat preservation coaming 203 and the heat preservation material are used to reduce the temperature and heat loss generated by the high-temperature-resistant metal heating platform 204; the threaded structure is provided at both ends of the pull rod 206, and the high-temperature-resistant metal heating platform 204, the heat preservation bricks 202 and the heating water cooling plate 201 are tightly compressed by the nuts, so as to prevent loosening caused by thermal expansion and cold contraction during use; the surface of the high-temperature-resistant metal heating platform 204 is mirror finished to improve the thermal radiation efficiency and enhance the adhesion with the mold; the heating pipe A 205 generates heat after being powered on, so that the entire lower heating platform 103 reaches the preset temperature, and the parts and the lower plane of the mold are heated; the heating pipe A 205 is uniformly distributed in the high-temperature-resistant metal heating platform 204, so that the temperature distribution is uniform, and the temperature control precision can reach ± 5℃.

[0020] In the embodiment, as shown in Figures 3-4 the right furnace door 102 and the left furnace door 105 are the same in structure, which comprises a side door frame 301, a side door cooling assembly 302, a heat preservation cover plate A 303, a side door pull rod assembly 304, a heating pipe B 305 and a high-temperature-resistant metal cover plate A 306. The side door frame 301 is installed on the mounting block of the main machine frame stand column through an opening and closing device; the side door cooling assembly 302 is installed between the side door frame 301 and the opening and closing device, and the side door cooling assembly 302 is filled with circulating cooling water during the heating process, which plays a role in reducing temperature; the heat preservation cover plate A 303 is fixed on the side door frame 301 through the side door pull rod assembly 304, the threaded structure is provided at both ends of the side door pull rod assembly 304, and the nuts are locked to realize the compression and tightness of each layer of components, so as to prevent loosening caused by thermal expansion and cold contraction during use; the heat preservation cover plate A 303 is filled with heat preservation material between the side door frame 301; the heating pipe B 305 is installed between the heat preservation cover plate A 303 and the high-temperature-resistant metal cover plate A 306, and is connected by penetrating the bolts to realize the side heating function.

[0021] In the embodiment, as shown in Figures 4-5As shown, the front furnace door 104 and the rear furnace door 106 have the same structure, including: front and rear door frames 401, front and rear door cooling components 402, heat insulation cover plate B403, front and rear door pull rod components 404, heating pipe C405, and high temperature resistant metal cover plate B406. The front and rear door frames 401 are mounted on the mounting blocks of the main frame columns via an opening and closing device. The front and rear door cooling components 402 are installed between the front and rear door frames 401 and the opening and closing device. During the heating process, the front and rear door cooling components 402 are filled with circulating cooling water to reduce the temperature. The insulation cover plate B403 is fixed to the front and rear door frames 401 via the front and rear door pull rod components 404. The front and rear door pull rod components 404 have threaded structures at both ends. The components are tightened by nuts to achieve a tight fit between the layers of components and prevent loosening due to thermal expansion and contraction during use. The space between the insulation cover plate B403 and the front and rear door frames 401 is filled with insulation material. The heating pipe C405 is installed between the insulation cover plate B403 and the high-temperature resistant metal cover plate B406 and is connected by bolts to achieve the front and rear heating function. It should be noted that the structure and installation method of the front / rear furnace doors are basically the same as those of the side doors; since the front / rear furnace doors are larger in size, about twice the length of the side doors, two sets of heating tubes need to be installed opposite each other to realize the heating function of the front / rear furnace doors.

[0022] In this embodiment, the heating tubes in the upper heating platform 101, lower heating platform 103, right furnace door 102, front furnace door 104, left furnace door 105, and rear furnace door 106 can be connected to the temperature control unit, which can realize multi-stage programmed heating and heat preservation control according to process requirements, and meet the heating needs of different material molding.

[0023] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solutions of the present invention by utilizing the methods and techniques disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention shall fall within the protection scope of the technical solutions of the present invention.

[0024] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. A large-scale multi-faceted heating thermoforming furnace, characterized in that, include: The system includes an upper heating platform (101), a right-side furnace door (102), a lower heating platform (103), a front furnace door (104), a left-side furnace door (105), a rear furnace door (106), a main frame, a hydraulic system, and a hydraulic slider. The hydraulic system is installed on the upper end of the main frame, and the hydraulic main cylinder of the hydraulic system extends to the middle of the main frame through the through hole at the upper end of the main frame and connects to the hydraulic slider. The upper heating platform (103) is screwed to the hydraulic slider. The lower heating platform (103) is screwed to the lower end of the main frame. The right-side furnace door (102), the front furnace door (104), the left-side furnace door (105), and the rear furnace door (106) are respectively installed on the mounting blocks of the main frame columns through opening and closing devices, and are located on the right, front, left, and rear sides of the main frame, respectively.

2. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The hydraulic system operates by driving the hydraulic slider up and down through the hydraulic master cylinder, which in turn drives the upper heating platform (103) to move up and down, cooperating with the lower heating platform (103) to achieve hot pressing forming of the parts.

3. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The lower heating platform (103) is used to install the heating mold and provide heating function for the lower plane.

4. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The right furnace door (102) is used to provide heat preservation and right side heating functions; the front furnace door (104) is used to provide heat preservation and front heating functions; the left furnace door (105) is used to provide heat preservation and left side heating functions; and the rear furnace door (106) is used to provide heat preservation and rear heating functions.

5. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The lower heating platform (103) includes: a heating water cooling plate (201), a heat insulation brick (202), a heat insulation enclosure (203), a high-temperature resistant metal heating platform (204), a heating pipe A (205), and a tie rod (206); wherein, the heat insulation brick (202) is installed on the heating water cooling plate (201); the heat insulation enclosure (203) is installed on the outside of the heat insulation brick (202), and the space between the heat insulation enclosure (203) and the heat insulation brick (202) is filled with heat insulation material; the high-temperature resistant metal heating platform (204) is installed on the heat insulation brick (202); the heating pipe A (205) is evenly distributed inside the high-temperature resistant metal heating platform (204); the tie rod (206) is set through the high-temperature resistant metal heating platform (204), the heat insulation brick (202), and the heating water cooling plate (201) to ensure the overall installation reliability and positioning accuracy of the lower heating platform (103).

6. The large-scale multi-faceted heating thermoforming furnace according to claim 5, characterized in that, The heating water cooling plate (201) has a hollow water channel inside, through which cooling water flows to ensure the cooling of the lower part of the high-temperature resistant metal heating platform (204) during the heating process of the hot forming furnace, ensuring that the high temperature does not penetrate to the motor and components below; the insulation bricks (202), insulation panels (203), and insulation materials reduce the loss of temperature and heat generated by the high-temperature resistant metal heating platform (204); the tie rod (206) has threaded structures at both ends, which are locked by nuts to realize the connection between the high-temperature resistant metal heating platform (204) and the insulation bricks (202). 02) The heating water cooling plate (201) is pressed tightly to prevent loosening due to thermal expansion and contraction during use; the surface of the high temperature resistant metal heating platform (204) is mirror-finished to improve the heat radiation efficiency and enhance the fit with the mold; the heating tube A (205) generates heat after being powered on, so that the entire lower heating platform (103) reaches the preset temperature and heats the parts and the lower surface of the mold; the heating tube A (205) is evenly distributed in the high temperature resistant metal heating platform (204) to ensure uniform temperature distribution and temperature control accuracy of ±5℃.

7. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The right-side furnace door (102) and the left-side furnace door (105) have the same structure, including: a side door frame (301), a side door cooling assembly (302), an insulation cover plate A (303), a side door pull rod assembly (304), a heating pipe B (305), and a high-temperature resistant metal cover plate A (306); wherein, the side door frame (301) is installed on the mounting block of the main frame column through an opening and closing device; the side door cooling assembly (302) is installed between the side door frame (301) and the opening and closing device. During the heating process, the side door cooling assembly (302) is filled with circulating cooling water, which... The insulation cover plate A (303) is fixed to the side door frame (301) by the side door pull rod assembly (304). The two ends of the side door pull rod assembly (304) are provided with threaded structures. The components of each layer are tightened by locking with nuts to prevent loosening caused by thermal expansion and contraction during use. Insulation material is filled between the insulation cover plate A (303) and the side door frame (301). The heating pipe B (305) is installed between the insulation cover plate A (303) and the high temperature resistant metal cover plate A (306) and is connected by bolts to realize the side heating function.

8. The large-scale multi-faceted heating thermoforming furnace according to claim 1, characterized in that, The front furnace door (104) and the rear furnace door (106) have the same structure, including: front and rear door frames (401), front and rear door cooling components (402), heat insulation cover plate B (403), front and rear door tie rod components (404), heating pipe C (405), and high-temperature resistant metal cover plate B (406); wherein, the front and rear door frames (401) are installed on the mounting blocks of the main frame column through an opening and closing device; the front and rear door cooling components (402) are installed between the front and rear door frames (401) and the opening and closing device. During the heating process, the front and rear door cooling components (402) are filled with circulating cooling water, which plays a role in... The insulation cover plate B (403) is fixed to the front and rear door frames (401) by the front and rear door pull rod assembly (404). The front and rear door pull rod assembly (404) has threaded structures at both ends. The components are tightened by nuts to prevent loosening caused by thermal expansion and contraction during use. Insulation material is filled between the insulation cover plate B (403) and the front and rear door frames (401). The heating pipe C (405) is installed between the insulation cover plate B (403) and the high temperature resistant metal cover plate B (406) and is connected by bolts to realize the front and rear heating function.

Images