Non-contact annealing furnace body

Abstract

The utility model provides a non-contact annealing furnace body, which solves the problems of poor annealing uniformity of metal pieces and the like, and comprises a main furnace body, an isolation suspension frame arranged in the main furnace body, a transmission component arranged between the isolation suspension frame and the main furnace body, a blowing component arranged in the main furnace body, and a linkage component arranged between the blowing component and the transmission component, an air suction assembly is arranged at the inlet and outlet of the main furnace body. The annealing furnace has the advantages of good annealing effect, stable structure and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to annealing equipment technical field, and specifically relates to a kind of non-contact annealing furnace body. BACKGROUND

[0002] Annealing is to place metal parts in different heating furnace and slowly heated to a certain temperature, heat preservation for a period of time, then with the appropriate speed cooling A kind of metal heat treatment process.According to the current state of the workpiece being processed, timely and accurate automatic control is carried out, such as through analog or digital circuit processing, adjusting power or frequency, so that the workpiece heating temperature or depth is automatically adjusted to meet the process requirements.The existing annealing furnace often needs manual monitoring when carrying out metal annealing, and manual adjustment is used to ensure the uniformity of annealing.In addition, the conventional annealing furnace has poor heat preservation effect, which affects the actual annealing effect.

[0003] In order to solve the problems existing in the prior art, people have carried out long-term exploration and put forward various kinds of solutions.For example, Chinese patent document discloses an annealing furnace [201310387850.7], which comprises a furnace body, a furnace chamber surrounded by a heat preservation layer is arranged in the furnace body, a furnace opening communicating with the furnace chamber is arranged on the furnace body, a furnace cover is arranged on the furnace opening, a heating device is arranged in the furnace chamber, the heating device is connected with a heating control device, the heating device comprises four heating silicon-carbon rod units connected in parallel, each heating silicon-carbon rod unit comprises four heating silicon-carbon rods connected in series, and the heat preservation layer comprises a zirconium oxide fiber layer.

[0004] The above-mentioned scheme solves the problem of internal heat preservation of annealing furnace to some extent, but the scheme still has many problems, such as unevenness of metal annealing. SUMMARY

[0005] The utility model aims at the above problem, provide a kind of linkage gripper subassembly of reasonable design, guarantee the uniformity of annealing.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of non-contact annealing furnace body, including main furnace body, main furnace body is built-in isolation suspension, transmission assembly is arranged between isolation suspension and main furnace body, blowing assembly is arranged in the inside of main furnace body, linkage assembly is arranged between blowing assembly and transmission assembly, and suction assembly is arranged at the import and export of main furnace body.

[0007] In the above-mentioned non-contact annealing furnace body, heat insulation layer is arranged on the inner side of main furnace body, sealing plate is hinged on the upper end of the import and export of main furnace body, sealing assembly and opening and closing assembly are arranged between sealing plate and main furnace body.

[0008] In the above-mentioned non-contact annealing furnace body, the sealing assembly comprises a convex edge arranged at the inlet and outlet of the main furnace body, and a sealing slope is arranged between the convex edge and the closing plate to ensure mutual adhesion.

[0009] In the above-mentioned non-contact annealing furnace body, the isolation suspension frame comprises an isolation frame body suspended in the main furnace body, support rollers are arranged in the isolation frame body, a lifting frame body is arranged below the isolation frame body, a support vertical plate extending between the support rollers is arranged in the lifting frame body, and a lifting assembly is arranged between the lifting frame body and the main furnace body.

[0010] In the above-mentioned non-contact annealing furnace body, the lifting assembly comprises drive screws arranged at both sides of the main furnace body, the drive screws are in meshing transmission with the drive motor through a reversing gear set, drive screw sleeves are in meshing transmission on the drive screws, the drive screw sleeves are hinged to the lifting frame body through lifting connecting rods, the drive screws are symmetrically arranged, and the moving directions of the drive screw sleeves on different drive screws are opposite.

[0011] In the above-mentioned non-contact annealing furnace body, the transmission assembly comprises transmission plates arranged in front of and behind the isolation suspension frame, and transmission rollers are uniformly distributed on the transmission plates.

[0012] In the above-mentioned non-contact annealing furnace body, the blowing assembly comprises a blowing pipe arranged at the upper end inside the main furnace body, and the blowing pipe is coiled and has a blowing port opposite to the isolation suspension frame.

[0013] In the above-mentioned non-contact annealing furnace body, the linkage assembly comprises a louver plate arranged below the blowing assembly, and the louver plate is in transmission connection with the swinging motor through a swinging connecting rod at the end.

[0014] In the above-mentioned non-contact annealing furnace body, the air suction assembly comprises an air suction pipe circumferentially surrounding the inlet and outlet of the main furnace body, and the air suction port of the air suction pipe is inclined outward.

[0015] In the above-mentioned non-contact annealing furnace body, an infrared sensor is arranged in the main furnace body.

[0016] Compared with the prior art, the blowing assembly and the air suction assembly cooperate to ensure the uniformity of the annealing of the internal metal piece, the isolation suspension frame and the transmission assembly cooperate to ensure the convenience of the metal piece transfer, the isolation suspension frame has the lifting assembly, so that the metal box can be separated from the transmission assembly, the heat exchange effect below the metal piece is ensured, the infrared sensor arranged in the main furnace body monitors the annealing state of the metal piece, and timely adjustment is reminded. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the utility model;

[0018] Figure 2 is a sectional view of the structure of the utility model;

[0019] Figure 3 is a sectional view of the structure of the utility model;

[0020] Figure 4 is another sectional view of the structure of the utility model;

[0021] In the figure, main furnace body 1, heat insulation layer 11, closing plate 12, convex edge 13, sealing slope 14, opening and closing connecting rod 15, hydraulic rod 16, isolation suspension 2, isolation frame body 21, supporting roller 22, lifting frame body 23, supporting vertical plate 24, drive screw 25, reversing gear set 26, drive motor 27, drive screw sleeve 28, drive screw thread 29, transmission assembly 3, transmission plate 31, transmission roller 32, blowing assembly 4, blowing pipe 41, blowing port 42, linkage assembly 5, louver 51, swing connecting rod 52, swing motor 53, air suction assembly 6, air suction pipe 61, air suction port 62. DETAILED DESCRIPTION

[0022] The utility model will be made further detailed explanation in combination with the drawings and specific implementation.

[0023] As Figures 1-4 shown, a kind of contactless annealing furnace body, including using the main furnace body 1 of heat preservation material, isolation suspension 2 is built-in in main furnace body 1 and is supported to metal piece, transmission assembly 3 is arranged between isolation suspension 2 and main furnace body 1 to realize metal piece transfer;Main furnace body 1 is provided with blowing assembly 4 inside, blowing assembly 4 and transmission assembly 3 between them are provided with linkage assembly 5, and main furnace body 1 is provided with air suction assembly 6 at inlet and outlet. Blowing assembly 4 and air suction assembly 6 are connected with corresponding external fan to realize circulating blowing, cooperate with isolation suspension 2 to ensure metal annealing uniformity.

[0024] Specifically, to further improve the heat preservation effect, main furnace body 1 inside is provided with heat insulation layer 11, and closing plate 12 is hinged to the upper end of the inlet and outlet of main furnace body 1, and sealing assembly and opening and closing assembly are arranged between closing plate 12 and main furnace body 1. During annealing, closing plate 12 keeps the inside of main furnace body 1 closed, and the sealing assembly ensures the internal sealing property.

[0025] Further, similar to the existing sealing structure, the sealing assembly in the embodiment includes convex edge 13 arranged at the inlet and outlet of main furnace body 1, and sealing slope 14 is arranged between closing plate 12 and convex edge 13 to be attached to each other. The opening and closing assembly includes opening and closing connecting rod 15 hinged between closing plate 12 and main furnace body 1, and hydraulic rod 16 is connected to opening and closing connecting rod 15. Closing plate 12 at the inlet and outlet of main furnace body 1 is independently turned over, and the pressing effect after closing is ensured by hydraulic rod 16.

[0026] In addition, the isolation suspension 2 comprises an isolation frame 21 suspended in the main furnace body 1, a support roller 22 is arranged in the isolation frame 21, a lifting frame 23 is installed below the isolation frame 21, a support vertical plate 24 extending to the support roller 22 is arranged in the lifting frame 23, and a lifting assembly is arranged between the lifting frame 23 and the main furnace body 1. The support roller 22 guides the metal piece to move to a designated position in the main furnace body 1, and then the lifting assembly drives the support vertical plate 24 to lift to keep the metal piece in a suspended state.

[0027] Meanwhile, the lifting assembly comprises a drive screw 25 arranged on both sides of the main furnace body 1, the end of the drive screw 25 is meshed and driven by a reversing gear set 26 and a drive motor 27, a drive screw sleeve 28 is meshed and driven on the drive screw 25, the drive screw sleeve 28 is hinged to the lifting frame 23 through a lifting connecting rod, and the drive screw 25 has symmetrically arranged drive screw threads 29, and the moving directions of the drive screw sleeves 28 on different drive screw threads 29 are opposite.

[0028] Obviously, the conveying assembly 3 comprises conveying plates 31 arranged in front of and behind the isolation frame 21, and the conveying plates 31 are uniformly distributed with conveying rollers 32. The metal piece is supported by the conveying plates 31, and the conveying rollers 32 on the surface of the metal piece ensure the stability of the sliding of the metal piece, and finally guide the metal piece to the isolation suspension 2 or lead out from the outlet of the main furnace body 1.

[0029] Obviously, in order to ensure the uniformity of blowing, the blowing assembly 4 comprises a blowing pipe 41 arranged at the upper end inside the main furnace body 1, the blowing pipe 41 is arranged in a coil shape and has a blowing port 42 opposite to the isolation suspension 2. The blowing assembly 4 blows from top to bottom, the blowing amount is controlled by an external fan, and the temperature is mainly controlled by an external hot air machine and a cooling structure.

[0030] Preferably, when it is necessary to reduce the annealing rate, the linkage assembly 5 is started, the linkage assembly 5 comprises a louver plate 51 arranged below the blowing assembly 4, and the end of the louver plate 51 is connected in transmission with a swinging motor 53 through a swinging connecting rod 52. The louver plate 51 is turned over to form a flat plate for cutting off the blowing pipe 41 from the metal piece.

[0031] Obviously, the air suction assembly 6 comprises an air suction pipe 61 which is circumferentially arranged along the inlet and outlet of the main furnace body 1, and the air suction port 62 of the air suction pipe 61 is inclined outward. The air suction pipe 61 cooperates with the blowing pipe 41 to realize circulating blowing, and can also realize rapid cooling of the inside of the main furnace body 1 after the annealing is completed.

[0032] Obviously, the infrared sensor is arranged in the main furnace body 1 instead of the conventional temperature sensor, which can more directly judge the annealing state of the surface of the metal piece, so as to timely adjust the internal temperature to ensure the stability of annealing.

[0033] In summary, the principle of the embodiment is that the blowing assembly 4 and the air suction assembly 6 in the main furnace body 1 cooperate with the external fan to realize the circulation blowing, and the isolation suspension 2 keeps the metal pieces transferred by the transmission assembly 3 in the suspended state, so as to ensure the uniform blowing of the surface of the metal pieces and improve the annealing effect.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0035] Although the terms such as main furnace body 1, heat insulation layer 11, closing plate 12, convex edge 13, sealing slope 14, opening and closing connecting rod 15, hydraulic rod 16, isolation suspension 2, isolation frame body 21, supporting roller 22, lifting frame body 23, supporting vertical plate 24, driving screw 25, reversing gear set 26, driving motor 27, driving screw sleeve 28, driving thread 29, transmission assembly 3, transmission plate 31, transmission roller 32, blowing assembly 4, blowing pipe 41, blowing port 42, linkage assembly 5, louver 51, swinging connecting rod 52, swinging motor 53, air suction assembly 6, air suction pipe 61, air suction port 62, etc. are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A contactless annealing furnace comprising a main furnace body (1), said main furnace body (1) having an isolating suspension (2) built in, said isolating suspension (2) being provided with a transmission assembly (3) between the main furnace body (1), characterized in that, The main furnace body (1) is internally provided with a blowing assembly (4), the blowing assembly (4) and the transmission assembly (3) are provided with a linkage assembly (5), and the main furnace body (1) is provided with an air suction assembly (6) at the inlet and outlet.

2. A non-contact annealing furnace body according to claim 1, characterized in that, The main furnace body (1) is internally provided with a heat insulation layer (11), the upper end of the inlet and outlet of the main furnace body (1) is hingedly provided with a closing plate (12), and the closing plate (12) and the main furnace body (1) are provided with a sealing assembly and an opening and closing assembly.

3. A non-contact annealing furnace body according to claim 2, characterized in that, The sealing assembly comprises a convex edge (13) arranged at the inlet and outlet of the main furnace body (1), and the closing plate (12) and the convex edge (13) are provided with mutually abutting sealing inclined surfaces (14); the opening and closing assembly comprises an opening and closing connecting rod (15) hingedly connected between the closing plate (12) and the main furnace body (1), and the opening and closing connecting rod (15) is connected with a hydraulic rod (16).

4. A non-contact annealing furnace body as claimed in claim 1, wherein, The isolation suspension (2) comprises an isolation frame (21) suspended in the main furnace body (1), the isolation frame (21) is arranged with support rollers (22), the lower portion of the isolation frame (21) is provided with a lifting frame (23), the lifting frame (23) is internally provided with a support vertical plate (24) extending between the support rollers (22), and the lifting frame (23) and the main furnace body (1) are provided with a lifting assembly.

5. A non-contact annealing furnace as defined in claim 4, wherein The lifting assembly comprises drive screws (25) arranged on both sides of the main furnace body (1), the end of the drive screw (25) is meshed and driven by a reversing gear set (26) and a drive motor (27), the drive screw (25) is meshed and driven by a drive screw sleeve (28), the drive screw sleeve (28) is hingedly connected to the lifting frame (23) through a lifting connecting rod, the drive screw (25) has symmetrically arranged drive screw threads (29), and the drive screw sleeves (28) on different drive screw threads (29) move in opposite directions.

6. A non-contact annealing furnace as defined in claim 4, wherein The transmission assembly (3) comprises transmission plates (31) arranged in front of and behind the isolation frame (21), and the transmission plates (31) are uniformly distributed with transmission rollers (32).

7. A non-contact annealing furnace as defined in claim 1, wherein The blowing assembly (4) comprises a blowing pipe (41) arranged at the upper end of the main furnace body (1), and the blowing pipe (41) is coiled and has a blowing port (42) opposite to the isolation suspension (2).

8. A non-contact annealing furnace as defined in claim 7, wherein The linkage assembly (5) comprises a louver plate (51) arranged below the blowing assembly (4), and the end of the louver plate (51) is transmissionally connected to a swing motor (53) through a swing connecting rod (52).

9. A non-contact annealing furnace as defined in claim 7, wherein The air suction assembly (6) comprises an air suction pipe (61) circumferentially surrounding the inlet and outlet of the main furnace body (1), and the air suction port (62) of the air suction pipe (61) is inclined outward.

10. A non-contact annealing furnace as defined in claim 7, wherein The main furnace body (1) is internally provided with an infrared sensor.

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