Electric kiln for sintering permanent magnetic ferrite

Abstract

The utility model discloses an electric kiln for sintering permanent magnetic ferrite, which comprises a kiln main body, a bearing bracket, a tray mechanism and a lifting frame, the permanent magnetic ferrite is placed on a bearing bottom plate, the ring center of the permanent magnetic ferrite is sleeved on a loop bar, the permanent magnetic ferrite is limited through the loop bar, and meanwhile, the bearing bottom plate is arranged at the notch of a through groove; the permanent magnetic ferrite on the bearing bottom plate is in contact with hot air flow, the sintering quality and the sintering efficiency of the permanent magnetic ferrite are improved, after sintering is completed, a sleeving rod is arranged in a butt joint groove in a sleeving mode, a clamping block is aligned with a clamping block groove so that the clamping block can penetrate through a lap joint batten, a rotating rod is rotated by rotating a handle, and therefore the sleeving rod is driven to rotate; the sleeving rod rotates to drive the rotating block and the clamping block to rotate, the clamping block rotates to abut against the outer side cross section of the lap joint batten, the tray mechanism can be pulled out of the kiln body by pulling the mounting plate, the influence of the high temperature in the sintering chamber on workers can be reduced, and the safety during transferring is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet ferrite, and particularly relates to an electric kiln furnace for sintering permanent magnet ferrite. Background Art

[0002] Permanent magnet ferrite is the main material for generating magnetic fields and plays an important role in industries such as the electronics industry, information industry, motorcycle industry, power tool industry, and automotive industry. An electric kiln furnace is required during the sintering process of permanent magnet ferrite.

[0003] The existing Chinese patent with the authorization announcement number CN209655807U discloses a special electric kiln furnace for sintering permanent magnet ferrite, which includes a furnace body, a fan, a support plate, and a heat preservation sleeve. A fan is installed on the left side of the furnace body, and the lower part of the fan is connected to the lower part inside the furnace body through an air suction pipe, and the upper part of the fan is connected to the upper part inside the furnace body through an exhaust pipe. A chute is arranged above the inside of the furnace body. Fixed rods are fixed around the support plate. A slider is fixed at the bottom of the support plate, and rollers are fixed above the support plate. Heat preservation sleeves are connected to the surfaces of the air suction pipe and the exhaust pipe. This special electric kiln furnace for sintering permanent magnet ferrite is provided with a fan, which can circulate the temperature inside the furnace body through the air suction pipe and the exhaust pipe, making the permanent magnet inside the furnace body receive heat more evenly. At the same time, the heat preservation sleeves on the surfaces of the air suction pipe and the exhaust pipe are made of rubber heat preservation material, which can reduce the loss during temperature flow and improve the use effect of the device.

[0004] The deficiency of the above existing solution is that the extrusion plate, combined with the spring and the support plate, forms an elastic structure, so that the extrusion plate presses and fixes the permanent magnet ferrite under the action of the spring. The extrusion plate will affect the contact between the permanent magnet ferrite and the hot air flow, thus affecting the sintering effect of the permanent magnet ferrite. Content of the Utility Model

[0005] The purpose of the utility model is to provide an electric kiln furnace for sintering permanent magnet ferrite, so as to solve the technical problem in the prior art that the extrusion plate, combined with the spring and the support plate, forms an elastic structure, so that the extrusion plate presses and fixes the permanent magnet ferrite under the action of the spring, and the extrusion plate will affect the contact between the permanent magnet ferrite and the hot air flow, thus affecting the sintering effect of the permanent magnet ferrite.

[0006] The technical problem to be solved by the utility model can be realized through the following technical solutions:

[0007] An electric kiln furnace for sintering permanent magnet ferrite, comprising:

[0008] A kiln furnace main body, a sintering chamber is arranged inside the kiln furnace main body, and a supporting bracket is fixedly connected inside the sintering chamber;

[0009] The tray mechanism includes a tray main body, and through slots are evenly distributed and penetrate through the tray main body. A supporting component is arranged at the slot opening of the through slot. The supporting component includes a supporting bottom plate. Connecting plates are fixedly connected to both sides of the supporting bottom plate, and the connecting plates are fixedly connected to the tray main body. The supporting bottom plate is arranged at the slot opening of the through slot. A vertically arranged sleeve rod is fixedly connected to the upper end surface of the supporting bottom plate. Lapping strip plates are fixedly connected to both sides of the bottom surface of the tray main body. The tray main body is slidably arranged on the supporting bracket through the lapping strip plates, and a docking groove is formed in the bottom surface of the lapping strip plate;

[0010] The lifting frame includes a mounting plate. Rotating rods are rotatably arranged at both ends of the mounting plate. A socket rod is coaxially fixedly connected to the rotating rod. A rotating block is fixedly connected to the socket rod. A clamping block is fixedly connected to the rotating block. The socket rod is movably sleeved in the docking groove.

[0011] As a further solution of the present utility model: The supporting bracket includes two symmetrically distributed fixed side plates, and the fixed side plates are fixedly connected to the inner wall of the sintering chamber. Two symmetrically distributed fixing plates are arranged between the fixed side plates. Both ends of the fixing plate are fixedly connected to the two fixed side plates respectively. Two supporting plates are symmetrically distributed and fixedly connected to the fixing plate, and a limiting strip plate is fixedly connected to the supporting plate.

[0012] As a further solution of the present utility model: The lapping strip plate is arranged on the supporting plate, and the limiting strip plate is slidably arranged in the docking groove.

[0013] As a further solution of the present utility model: A clamping block groove for the clamping block to pass through is formed in the groove wall of the docking groove.

[0014] As a further solution of the present utility model: One end of the rotating rod is fixedly connected to the socket rod, and a rotating handle for facilitating the rotation of the rotating rod is fixedly connected to the other end of the rotating rod. A bearing is embedded through the mounting plate.

[0015] As a further solution of the present utility model: The outer ring of the bearing is fixedly connected to the mounting plate, and the rotating rod is fixedly connected to the inner ring of the bearing through sleeving.

[0016] The beneficial effects of the present utility model:

[0017] 1. When sintering the permanent magnet ferrite, the permanent magnet ferrite is placed on the supporting bottom plate, and the center of the ring of the permanent magnet ferrite is sleeved on the sleeve rod. The sleeve rod limits the permanent magnet ferrite. At the same time, the supporting bottom plate is arranged at the slot opening of the through slot, which is beneficial for the permanent magnet ferrite on the supporting bottom plate to contact with the hot air flow, and is beneficial for improving the sintering quality and sintering efficiency of the permanent magnet ferrite;

[0018] 2. After the sintering of the present utility model is completed, the socket rod is sleeved in the docking groove, the clamping block is aligned with the clamping block groove so that the clamping block passes through the overlapping strip plate, and the rotating rod is rotated by rotating the handle, thereby driving the socket rod to rotate. The rotation of the socket rod drives the rotating block and the clamping block to rotate. The rotation of the clamping block abuts against the outer section of the overlapping strip plate. By pulling the mounting plate, the tray mechanism can be pulled out from the furnace body, which can reduce the impact of the high temperature in the sintering chamber on the staff, improve the safety during transportation, and the rotating rod can be used as a handle during transportation. The ring center of the permanent ferrite is sleeved on the sleeve rod, which can prevent the permanent ferrite from shaking during transportation, avoid the permanent ferrite from being knocked, and improve the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present utility model will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic three-dimensional structure diagram of the present utility model;

[0021] Figure 2 is a schematic structural diagram of the connection relationship between the supporting bracket, the tray mechanism and the lifting frame of the present utility model;

[0022] Figure 3 is a schematic three-dimensional structure diagram of the supporting bracket of the present utility model;

[0023] Figure 4 is a schematic three-dimensional structure diagram of the tray mechanism of the present utility model;

[0024] Figure 5 is a schematic three-dimensional structure diagram of the supporting component of the present utility model;

[0025] Figure 6 is a partial structural diagram of the tray mechanism of the present utility model;

[0026] Figure 7 is a schematic three-dimensional structure diagram of the lifting frame of the present utility model;

[0027] Figure 8 is the present utility model Figure 7 magnified structural diagram at position A.

[0028] In the figure: 1, furnace body; 2, supporting bracket; 21, fixed side plate; 22, fixing plate; 23, supporting plate; 24, limiting strip plate; 3, tray mechanism; 31, tray main body; 32, through groove; 33, overlapping strip plate; 34, docking groove; 35, clamping block groove; 36, supporting component; 361, supporting bottom plate; 362, connecting plate; 363, sleeve rod; 4, lifting frame; 41, mounting plate; 42, rotating rod; 43, rotating handle; 44, socket rod; 45, rotating block; 46, clamping block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present utility model.

[0030] As Figures 1-8 shown, a kiln furnace for sintering permanent magnet ferrite includes a kiln furnace main body 1, a tray mechanism 3 and a lifting frame 4. A sintering chamber is provided in the kiln furnace main body 1, and a supporting bracket 2 is fixedly connected in the sintering chamber. The tray mechanism 3 includes a tray main body 31, and through slots 32 are uniformly distributed and penetrated on the tray main body 31. A supporting component 36 is arranged at the slot opening of the through slot 32. The supporting component 36 includes a supporting bottom plate 361. Connecting plates 362 are fixedly connected to both sides of the supporting bottom plate 361. The connecting plates 362 are fixedly connected to the tray main body 31. The supporting bottom plate 361 is arranged at the slot opening of the through slot 32. A vertically arranged sleeve rod 363 is fixedly connected to the upper end surface of the supporting bottom plate 361. Lapping strip plates 33 are fixedly connected to both sides of the bottom surface of the tray main body 31. The tray main body 31 is slidably arranged on the supporting bracket 2 through the lapping strip plates 33. A docking groove 34 is opened on the bottom surface of the lapping strip plate 33, including a mounting plate 41. Rotating rods 42 are rotatably arranged at both ends of the mounting plate 41. A socket rod 44 is coaxially fixedly connected to the rotating rod 42. A rotating block 45 is fixedly connected to the socket rod 44. A clamping block 46 is fixedly connected to the rotating block 45. The socket rod 44 is movably sleeved in the docking groove 34.

[0031] The supporting bracket 2 includes two symmetrically distributed fixed side plates 21. The fixed side plates 21 are fixedly connected to the inner wall of the sintering chamber. Two symmetrically distributed fixing plates 22 are arranged between the fixed side plates 21. Both ends of the fixing plate 22 are fixedly connected to the two fixed side plates 21 respectively. Two supporting plates 23 are symmetrically distributed and fixedly connected to the fixing plate 22. A limiting strip plate 24 is fixedly connected to the supporting plate 23. The lapping strip plate 33 is arranged on the supporting plate 23. The limiting strip plate 24 is slidably arranged in the docking groove 34.

[0032] In some specific implementation schemes, a clamping block groove 35 for the clamping block 46 to pass through is opened on the groove wall of the docking groove 34.

[0033] One end of the rotating rod 42 is fixedly connected to the socket rod 44, and the other end of the rotating rod 42 is fixedly connected with a rotating handle 43 for facilitating the rotation of the rotating rod 42. A bearing is embedded through the mounting plate 41. The outer ring of the bearing is fixedly connected to the mounting plate 41. The rotating rod 42 is penetrated and fixedly connected to the inner ring of the bearing.

[0034] For the convenience of those skilled in the art to understand the embodiments of this solution, the working principle of this solution will be briefly described below in combination with a specific application scenario:

[0035] When it is necessary to sinter the permanent ferrite, place the permanent ferrite on the supporting bottom plate 361, and sleevethe center of the ring of the permanent ferrite on the sleeve rod 363. The sleeve rod 363 is used to limit the permanent ferrite. At the same time, the supporting bottom plate 361 is arranged at the notch of the through groove 32, which is beneficial for the permanent ferrite on the supporting bottom plate 361 to contact the hot air flow, improving the sintering quality and efficiency of the permanent ferrite. After sintering, sleevethe socket rod 44 into the docking groove 34, align the clamping block 46 with the clamping block groove 35 so that the clamping block 46 passes through the overlapping strip plate 33. Rotate the rotating rod 42 by turning the handle 43, thereby driving the socket rod 44 to rotate. The rotation of the socket rod 44 drives the rotating block 45 and the clamping block 46 to rotate. The rotation of the clamping block 46 abuts against the outer section of the overlapping strip plate 33. By pulling the mounting plate 41, the tray mechanism 3 can be pulled out of the furnace body 1, reducing the impact of the high temperature in the sintering chamber on the staff and improving the safety during transportation. The rotating rod 42 can be used as a handle during transportation. The center of the ring of the permanent ferrite is sleeved on the sleeve rod 363, which can prevent the permanent ferrite from shaking during transportation, avoid the permanent ferrite from being knocked, and improve the reliability of the device.

[0036] The above has described several embodiments of the present invention in detail, but the embodiments of the present invention are not limited thereto and should not be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the application of the present invention shall still fall within the scope covered by the patent of the present invention.

Claims

1. An electric kiln for sintering permanent magnet ferrite, characterized in that: include: A kiln body (1), wherein a sintering chamber is provided in the kiln body (1), and a supporting bracket (2) is fixedly connected in the sintering chamber; The tray mechanism (3) comprises a tray body (31), through grooves (32) are evenly distributed and penetrated on the tray body (31), a supporting assembly (36) is arranged at the notch of the through groove (32), the supporting assembly (36) comprises a supporting bottom plate (361), connecting plates (362) are fixedly connected on both sides of the supporting bottom plate (361), the connecting plates (362) are fixedly connected to the tray body (31), the supporting bottom plate (361) is arranged at the notch of the through groove (32), a sleeve rod (363) is fixedly connected to the upper end surface of the supporting bottom plate (361), overlapping strips (33) are fixedly connected on both sides of the bottom surface of the tray body (31), the tray body (31) is slidably arranged on the supporting bracket (2) through the overlapping strips (33), and a docking groove (34) is arranged on the bottom surface of the overlapping strips (33); The lifting frame (4) comprises a mounting plate (41), both ends of the mounting plate (41) are rotatably provided with a rotating rod (42), the rotating rod (42) is coaxially fixedly connected with a sleeve rod (44), the sleeve rod (44) is fixedly connected with a rotating block (45), the rotating block (45) is fixedly connected with a clamping block (46), and the sleeve rod (44) is movably sleeved in the docking groove (34).

2. The electric kiln for sintering permanent magnet ferrite according to claim 1, characterized in that: The supporting bracket (2) comprises two symmetrically distributed fixed side plates (21), the fixed side plates (21) are fixedly connected to the inner wall of the sintering chamber, two symmetrically distributed fixed plates (22) are arranged between the fixed side plates (21), two ends of the fixed plates (22) are respectively fixedly connected to the two fixed side plates (21), two supporting plates (23) are symmetrically distributed and fixedly connected to the fixed plates (22), and the supporting plates (23) are fixedly connected to the limiting strip plates (24).

3. The electric kiln for sintering permanent magnet ferrite according to claim 2, characterized in that: The overlapping strip plate (33) is arranged on the supporting plate (23), and the limiting strip plate (24) is slidably arranged in the docking groove (34).

4. The electric kiln for sintering permanent magnet ferrite according to claim 1, characterized in that: A block groove (35) for a block (46) to pass through is provided on the groove wall of the docking groove (34).

5. The electric kiln for sintering permanent magnet ferrite according to claim 1, characterized in that: One end of the rotating rod (42) is fixedly connected to the sleeve rod (44), and the other end of the rotating rod (42) is fixedly connected to a rotating handle (43) for facilitating the rotation of the rotating rod (42). A bearing is embedded through the mounting plate (41).

6. The electric kiln for sintering permanent magnet ferrite according to claim 5, characterized in that: The outer ring of the bearing is fixedly connected to the mounting plate (41), and the rotating rod (42) is inserted through the sleeve and fixedly connected to the inner ring of the bearing.

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