Vacuum furnace convenient to maintain

By designing side-rotating opening and closing components and fixing components on the vacuum furnace, the problem of furnace door obstruction during maintenance is solved, achieving complete exposure and sealing of the furnace interior, which facilitates maintenance operations.

CN223856153UActive Publication Date: 2026-01-30SUZHOU CHUHAN VACUUM TECH CO LTD
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Patent Information

Application Number
CN202520510089.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-30
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The horizontal movement of the furnace door in existing vacuum furnaces obstructs maintenance operations, making repairs inconvenient, especially when carrying testing and maintenance equipment.

Method used

The furnace lid is opened by rotating from the side, and the electromagnet and stud structure ensure a tight seal and stable connection, achieving complete exposure of the furnace interior. The seal is also ensured through multi-level limiting.

Benefits of technology

It achieves complete exposure of the furnace interior, facilitating maintenance operations, while maintaining good sealing when closed to prevent leakage, thus improving the convenience and safety of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The vacuum furnace convenient to maintain comprises a furnace body, a furnace cover is installed on the outer wall of the furnace body through an opening and closing assembly, and a fixing assembly is installed on the front portion of the outer wall of the furnace body. The opening and closing assembly comprises two mounting seats, the two mounting seats are arranged in a bilateral symmetry mode, the two mounting seats are both fixedly mounted on the outer wall of the furnace body, and the same adjusting lead screw is rotationally mounted on the adjacent sides of the two mounting seats. According to the vacuum furnace convenient to maintain, under the mutual cooperation work of the fixing assembly and the opening and closing assembly, the furnace cover can be opened more conveniently in a side face rotating mode, the interior of the whole furnace body can be completely exposed and is not shielded by redundant parts, and workers can use various tools or equipment more conveniently during maintenance; the vacuum furnace cover has good convenience when the vacuum furnace is overhauled, meanwhile, after the furnace cover is closed, the sealing performance is good through multi-stage limitation after the furnace cover is closed, and the leakage condition is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of equipment overhauls, in particular to a vacuum furnace convenient to maintain. BACKGROUND

[0002] A vacuum furnace is an industrial heating equipment, which creates a vacuum environment lower than conventional atmospheric pressure in the furnace cavity, controls temperature and atmosphere to achieve specific material performance improvement. Its core principle is to extract air in the furnace, reduce or eliminate the influence of oxygen, nitrogen, water vapor and other gases in the air on the processed materials.

[0003] In the patent no. CN202120844787.5, a kind of vacuum furnace convenient to maintain, including vacuum furnace and base, the bottom of the vacuum furnace is welded with base, the opening of one end of the vacuum furnace is equipped with furnace door, the outer wall center of the furnace door is welded with connecting frame, the outer wall of the vacuum furnace is equipped with the drive mechanism that moves furnace door, the inner wall lower portion of the furnace door is welded with rack, and rack and furnace door are mutually perpendicular arrangement, the bottom of the rack is welded with first sliding block. In the utility model, drive mechanism is arranged on the vacuum furnace, which is used for cooperating with connecting frame to drive furnace door to open and close, reduces the time of furnace door opening and closing, greatly facilitates the maintenance of vacuum furnace, and the drive structure is used to drive the furnace door to open and close, so that the furnace door is separated from the vacuum furnace along the horizontal direction when opening, and the rack is welded with the furnace door, so that the rack is automatically pulled out when the furnace door is opened, facilitating the feeding and discharging of the vacuum furnace.

[0004] The above device has some deficiencies when in use: the furnace door is transversely moved left and right according to the horizontal position, and the worker needs to drill into the position inside the furnace door when opening, to overhaul the vacuum furnace, for example, when carrying some detection and maintenance equipment, it is not convenient to operate and move due to the obstruction of the furnace door and the connecting frame.

[0005] Therefore, the utility model provides a kind of vacuum furnace convenient to maintain to solve above-mentioned problem. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of vacuum furnace convenient to maintain, which solves the above-mentioned problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a kind of vacuum furnace convenient to maintain, including furnace body, furnace body outer wall is equipped with furnace cover by open-close component, furnace body outer wall front is equipped with fixed component;

[0008] The opening and closing assembly comprises two mounting seats which are arranged symmetrically left and right, are fixedly installed on the outer wall of the furnace body, and are each rotatably installed on one side of the adjacent mounting seat with the same adjusting screw rod; the mounting seat on the left side is fixedly installed with a driving motor; the outer wall of the adjusting screw rod is screw-connected with a sliding seat; the rear wall of the sliding seat is fixedly installed with a hinge seat one; the hinge seat one is rotatably installed with an opening and closing frame on the inner wall; the right side wall of the furnace cover is fixedly installed with a hinge seat two; the opening and closing frame is rotatably installed on the inner wall of the hinge seat two; the rear part of the outer wall of the furnace body is fixedly installed with a hinge seat three; the hinge seat three is rotatably installed with an opening and closing seat on the inner wall; and the front wall of the opening and closing seat is fixedly connected with the rear part of the outer wall of the furnace cover.

[0009] Through the above technical scheme, the opening and closing assembly is arranged, and when the furnace cover is opened and closed, the entire furnace body is completely exposed through the side rotating mode without being blocked by other components, so that the maintenance of the furnace body is more convenient.

[0010] Further, the power shaft of the driving motor is fixedly connected with the adjusting screw rod on the left end through the bearing penetrating the corresponding mounting seat; the front wall of the sliding seat is slidingly connected with the outer wall of the furnace body; the opening and closing frame is in the shape of "L"; the side wall of the furnace cover is fixedly installed with a sealing ring; the side wall of the furnace cover is attached to the inner wall of the furnace body; and the outer wall of the sealing ring is attached to the inner wall of the furnace body.

[0011] Through the above technical scheme, the driving motor is connected with the external power supply and the controller and drives the adjusting screw rod to rotate and work, and the sealing ring can increase the sealing property between the furnace cover and the furnace body.

[0012] Further, the fixing assembly comprises a fixing seat one, the rear wall of which is fixedly connected with the outer wall of the furnace body; the furnace cover is fixedly installed with a fixing seat two at a position corresponding to the fixing seat one on the outer wall; the right side wall of the fixing seat two is provided with a mounting groove; and two through openings are symmetrically arranged on the inner wall of the mounting groove and the side wall of the fixing seat one.

[0013] Through the above technical scheme, the fixing seat one and the fixing seat two are matched with each other, so that the connection and locking degree of the furnace body and the furnace cover can be improved.

[0014] Further, the adjacent side of the fixing seat one and the fixing seat two is provided with a mounting cavity; the inner wall of the mounting cavity on the side wall of the fixing seat one is fixedly installed with an electromagnet one; the inner wall of the mounting cavity on the side wall of the fixing seat two is fixedly installed with an electromagnet two; and the electromagnet two and the electromagnet one are fixedly attached to each other after being electrified.

[0015] Through the above technical scheme, the electromagnet two and the electromagnet one are fixedly attached to each other after being electrified, so that the connection stability of the fixing seat one and the fixing seat two can be improved, and the separation of the furnace cover after being closed can be prevented.

[0016] Further, the inner wall of the mounting groove movably mounts a matching mounting block, the side wall of the mounting block and the position corresponding to the through opening are fixedly mounted with studs, the outer walls of the two studs are attached to the inner walls of the corresponding through openings, the outer wall of the same gasket is sleeved and mounted on the left side of the outer wall of the two studs, and the outer wall of the gasket is attached to one side wall of the fixing seat.

[0017] Through the above technical scheme, the stud is driven by the mounting block to move through the through opening, so that the first fixing seat and the second fixing seat can be closely attached.

[0018] Further, the outer walls of the two studs are screw-mounted with fastening nuts, and the outer walls of the two fastening nuts are in abutment with the outer wall of the gasket.

[0019] Through the above technical scheme, the fastening nuts are screw-mounted on the corresponding studs, so that the first fixing seat and the second fixing seat are in abutment for secondary limiting.

[0020] Further, the bottom and the left and right sides of the outer wall of the furnace body are fixedly mounted with support tables.

[0021] Through the above technical scheme, the support table has a supporting effect on the entire furnace body.

[0022] Advantages

[0023] The utility model provides a vacuum furnace convenient to maintenance. Compared with prior art has the following advantages:

[0024] (1), the vacuum furnace convenient to maintenance, through the mutual cooperation of fixed assembly and open and close subassembly work under, can be more convenient to open the way of the furnace cover through the side rotation, make whole furnace body inside can be completely exposed and do not have the spare parts shelter, the staff uses various tools or equipment when overhauling then more convenient, when overhauling the vacuum furnace has good convenience, simultaneously after closing the furnace cover, through multistage definition makes after closing the sealing property is good, avoids the situation of leakage. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure front view of the utility model;

[0026] Figure 2 It is the rear view of the external structure of the utility model;

[0027] Figure 3 It is the internal structure explosion diagram of the fixed assembly of the utility model;

[0028] Figure 4 It is the external structure schematic view of the open and close subassembly of the utility model;

[0029] Figure 5 It is the front view of the external structure of the open and close subassembly of the utility model.

[0030] 1, furnace body; 2, support table; 3, fixed assembly; 31, fixed seat one; 32, fixed seat two; 33, mounting groove; 34, mounting block; 35, stud; 36, through hole; 37, mounting cavity; 38, electromagnet one; 39, electromagnet two; 310, gasket; 311, fastening nut; 4, furnace cover; 5, opening and closing assembly; 51, mounting seat; 52, drive motor; 53, adjusting screw; 54, sliding seat; 55, hinged seat one; 56, opening and closing frame; 57, hinged seat two; 58, sealing ring; 59, opening and closing seat; 510, hinged seat three. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Embodiment one:

[0033] Please refer to Figures 1-5 A vacuum furnace convenient to maintain, including furnace body 1, the outer wall of furnace body 1 is installed with furnace cover 4 by opening and closing assembly 5, the outer wall of furnace body 1 is installed with fixed assembly 3 in front part;

[0034] Opening and closing assembly 5 includes two mounting seats 51, two mounting seats 51 are arranged symmetrically left and right, two mounting seats 51 are fixedly installed on the outer wall of furnace body 1, the same adjusting screw 53 is rotatably installed on the side adjacent to two mounting seats 51, the mounting seat 51 located on the left side is fixedly installed with drive motor 52, the outer wall of adjusting screw 53 is screw-connected and installed with sliding seat 54, the rear wall of sliding seat 54 is fixedly installed with hinged seat one 55, hinged seat one 55 is rotatably installed with opening and closing frame 56 in the inner wall, the right side wall of furnace cover 4 is fixedly installed with hinged seat two 57, the front end of opening and closing frame 56 is rotatably installed with the inner wall of hinged seat two 57, the rear part of the outer wall of furnace body 1 is fixedly installed with hinged seat three 510, hinged seat three 510 is rotatably installed with opening and closing seat 59 in the inner wall, the front wall of opening and closing seat 59 is fixedly connected with the outer wall of furnace cover 4, the power shaft of drive motor 52 is fixedly connected with adjusting screw 53 left end through bearing and penetrating corresponding mounting seat 51, the front wall of sliding seat 54 is slidingly connected with the outer wall of furnace body 1, opening and closing frame 56 is in "L" shape, the side wall of furnace cover 4 is fixedly installed with sealing ring 58, the side wall of furnace cover 4 is attached with the inner wall of furnace body 1, the outer wall of sealing ring 58 is attached with the inner wall of furnace body 1;

[0035] In the embodiment of the utility model, the purpose of the setting of the opening and closing assembly 5 is that the staff can overhaul the inside of the furnace body 1 by the rotating opening mode of the furnace cover 4 on the side wall of the furnace body 1, and various detection equipment or tools are not blocked by other components on the furnace cover 4, the furnace cover 4 rotating opening can completely expose the inside of the furnace body 1, which is beneficial to the staff to check and handle, and the overall opening mode is relatively simple and does not need too much manual participation.

[0036] Embodiment two:

[0037] Please refer to Figures 1-5 The embodiment provides a technical scheme based on the embodiment one: the fixing assembly 3 comprises a fixed seat one 31, the rear wall of the fixed seat one 31 is fixedly connected with the outer wall of the furnace body 1, the outer wall of the furnace cover 4 is fixedly provided with a fixed seat two 32 at the position corresponding to the fixed seat one 31, the right side wall of the fixed seat two 32 is provided with an installation groove 33, two through openings 36 are symmetrically arranged on the inner wall of the installation groove 33 and the side wall of the fixed seat one 31, the installation cavities 37 are arranged on the side of the fixed seat one 31 and the side of the fixed seat two 32, the inner wall of the installation cavity 37 located on the side wall of the fixed seat one 31 is fixedly provided with an electromagnet one 38, the inner wall of the installation cavity 37 located on the side wall of the fixed seat two 32 is fixedly provided with an electromagnet two 39, the electromagnet two 39 and the electromagnet one 38 are fixed after being electrified, the matching installation block 34 is movably arranged on the inner wall of the installation groove 33, the side wall of the installation block 34 is fixedly provided with a stud 35 at the position corresponding to the through opening 36, the outer wall of the two studs 35 is matched with the inner wall of the corresponding through opening 36, the outer wall of the two studs 35 is sleeved with the same gasket 310 on the left side, the outer wall of the gasket 310 is matched with the side wall of the fixed seat one 31, the outer wall of the two studs 35 is screw-connected with the fastening nut 311, the outer wall of the two fastening nuts 311 is fixedly connected with the gasket 310, and the outer wall of the furnace body 1 is fixedly provided with the support table 2 on the left side and the right side of the bottom;

[0038] In the embodiment of the utility model, the purpose of the setting of the fixing assembly 3 is that the electromagnet two 39 and the electromagnet one 38 are fixed after being electrified, and the fixed seat one 31 and the fixed seat two 32 are fixed through the cooperation of the stud 35 and the fastening nut 311, so that the furnace body 1 and the furnace cover 4 can be closely connected, when the furnace cover 4 needs to be opened, only the fastening nut 311 needs to be removed, and the electromagnet two 39 and the electromagnet one 38 are powered off, the overall operation is relatively convenient, and the opening and closing of the furnace cover 4 are good in convenience.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0040] During operation, when inspecting furnace body 1, first disconnect the power to electromagnet 1 38 and electromagnet 2 39, and use tools to remove the fastening nut 311 from the outer wall of the corresponding stud 35. Then remove the washer 310 from the outer wall of the stud 35. Next, move the stud 35 to the right to gradually disengage it from the inner wall of the through 36, thereby gradually disengaging the mounting block 34 from the inner wall of the mounting groove 33. Finally, remove the mounting block 34 and the stud 35, start the drive motor 52, and its power shaft drives the adjusting screw 53 to rotate. When the adjusting screw 53 is in When rotated, the slide 54 and hinge seat 1 55 move to the left. As hinge seat 1 55 moves, it causes the opening / closing frame 56 to rotate within the inner wall of hinge seat 2 57. This, in turn, causes hinge seat 2 57 to rotate and open the furnace cover 4 and opening / closing seat 59 within the inner wall of hinge seat 3 510. When the furnace cover 4 rotates and opens, it causes fixed seat 2 32 to disengage from fixed seat 1 31, and simultaneously, electromagnet 2 39 disengages from electromagnet 1 38. The furnace cover 4 also causes the sealing ring 58 to disengage from the furnace body 1, allowing the operator to... By using various equipment to inspect and maintain the furnace body 1, when it is necessary to close the furnace cover 4, the drive motor 52 is started, and its power shaft drives the adjusting screw 53 to rotate. When the adjusting screw 53 rotates, it will drive the slide 54 and the hinge seat 1 55 to move to the right. When the hinge seat 1 55 moves, it will drive the opening and closing frame 56 to rotate in the inner wall of the hinge seat 2 57. Then, the hinge seat 2 57 will drive the furnace cover 4 and the opening and closing seat 59 to rotate and close in the inner wall of the hinge seat 3 510. When the furnace cover 4 rotates and closes, it will drive the fixed seat 2 32 and the fixed seat 32 to close. When the seat 31 contacts, the electromagnet 39 contacts the electromagnet 38, and the furnace cover 4 simultaneously drives the sealing ring 58 to contact the furnace body 1. Then, the movable mounting block 34 is moved into the inner wall of the mounting groove 33, and the stud 35 is driven through the corresponding through-hole 36. The gasket 310 is then fitted onto the outer wall of the stud 35 and screwed onto the outer wall of the corresponding stud 35 by the fastening nut 311 to complete the abutment and fixation. Then, the electromagnet 38 and the electromagnet 39 are energized to attract and fix them, thereby completing the closure of the furnace cover 4.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum furnace that facilitates maintenance, characterized by: The application relates to a stove body (1), wherein the outer wall of the stove body (1) is provided with a stove cover (4) through an opening and closing assembly (5), and the front part of the outer wall of the stove body (1) is provided with a fixing assembly (3); The opening and closing assembly (5) comprises two mounting seats (51), the two mounting seats (51) are arranged in left-right symmetry, the two mounting seats (51) are fixedly installed on the outer wall of the stove body (1), one and the same adjusting screw rod (53) is rotationally installed on the side of the two mounting seats (51) which are adjacent to each other, a driving motor (52) is fixedly installed on the mounting seat (51) located on the left side, a sliding seat (54) is screwedly installed on the outer wall of the adjusting screw rod (53), a hinge seat one (55) is fixedly installed on the rear wall of the sliding seat (54), an opening and closing frame (56) is rotationally installed on the inner wall of the hinge seat one (55), a hinge seat two (57) is fixedly installed on the right side wall of the stove cover (4), the front end of the opening and closing frame (56) is rotationally installed on the inner wall of the hinge seat two (57), a hinge seat three (510) is fixedly installed on the rear part of the outer wall of the stove body (1), an opening and closing seat (59) is rotationally installed on the inner wall of the hinge seat three (510), and the front wall of the opening and closing seat (59) is fixedly connected with the rear part of the outer wall of the stove cover (4).

2. The vacuum furnace for ease of repair of claim 1, wherein: The power shaft of the driving motor (52) is fixedly connected with the left end of the adjusting screw rod (53) through a bearing and penetrates through the corresponding mounting seat (51), the front wall of the sliding seat (54) is slidingly connected with the outer wall of the stove body (1), the opening and closing frame (56) is in an "L" shape, the side wall of the stove cover (4) is fixedly installed with a sealing ring (58), the side wall of the stove cover (4) is attached to the inner wall of the stove body (1), and the outer wall of the sealing ring (58) is attached to the inner wall of the stove body (1).

3. The easy-to-service vacuum furnace of claim 1, wherein: The fixing assembly (3) comprises a fixing seat one (31), the rear wall of the fixing seat one (31) is fixedly connected with the outer wall of the stove body (1), a fixing seat two (32) is fixedly installed on the outer wall of the stove cover (4) and at the position corresponding to the fixing seat one (31), a mounting groove (33) is formed in the right side wall of the fixing seat two (32), two through openings (36) are symmetrically formed in the inner wall of the mounting groove (33) and the side wall of the fixing seat one (31) in an up-down direction.

4. The easy-to-service vacuum furnace of claim 3, wherein: An installation cavity (37) is formed in the side of the fixing seat one (31) and the fixing seat two (32) which are adjacent to each other, an electromagnet one (38) is fixedly installed on the inner wall of the installation cavity (37) located on the side wall of the fixing seat one (31), an electromagnet two (39) is fixedly installed on the inner wall of the installation cavity (37) located on the side wall of the fixing seat two (32), and the electromagnet two (39) and the electromagnet one (38) are fixedly connected with each other after being electrified.

5. The easy-to-service vacuum furnace of claim 3, wherein: A matching mounting block (34) is movably installed on the inner wall of the mounting groove (33), a threaded hole (35) is fixedly installed on the side wall of the mounting block (34) and at the position corresponding to the through opening (36), the outer wall of the two threaded holes (35) is attached to the inner wall of the corresponding through opening (36), the outer wall of the left side of the two threaded holes (35) is sleeved with one and the same gasket (310), and the outer wall of the gasket (310) is attached to the side wall of the fixing seat one (31).

6. The easy-to-service vacuum furnace of claim 5, wherein: The outer wall of each of the two studs (35) is provided with a fastening nut (311) which is fixedly connected to the outer wall of a gasket (310).

7. The easy-to-service vacuum furnace of claim 1, wherein: The outer wall of the furnace body (1) is provided with a support table (2) on the left and right sides of the bottom.

Citation Information

Patent Citations

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