Automatic furnace door

Abstract

The utility model relates to an automatic furnace door which comprises a rotating shaft assembly arranged on a furnace body; the locking assembly is arranged on the furnace body; and the door assembly automatically rotates relative to the furnace body through the rotating shaft assembly, and the door assembly and the furnace body are automatically locked and fixed through the locking assembly. The locking assembly comprises a locking seat fixedly arranged on the furnace body; the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are rotationally arranged on the furnace body, and the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a parallelogram connecting rod mechanism; and the fifth connecting rod is rotationally arranged on the furnace body, the fifth connecting rod is rotationally connected with the third connecting rod and the fourth connecting rod, and the fifth connecting rod drives the locking arm to lock the door assembly. And the locking arm is rotationally connected with the locking seat, and the locking arm is connected with the fifth connecting rod through a sixth connecting rod. The furnace door can be automatically opened and closed, operation is safe, and manpower is saved.

Description

Technical Field

[0001] The invention relates to the technical field of automatic opening and closing equipment for furnace doors, in particular to an automatic furnace door. Background Art

[0002] At present, in the wheel hub casting industry, the insulation furnace of the low-pressure casting machine needs to add raw materials periodically. Each time the raw materials are added, the furnace door needs to be opened manually, and the furnace door needs to be locked manually after the raw materials are added. Due to the high temperature in the outlet area of ​​the heating furnace and the extremely harsh working environment, manually opening and closing the furnace door is dangerous. Summary of the invention

[0003] In order to solve the technical problems existing in the background technology, the present invention provides an automatic furnace door, which can automatically open and close the furnace door, is safe to operate and saves manpower.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] Automatic furnace door, including:

[0006] A rotating shaft assembly is arranged on the furnace body;

[0007] A locking assembly is arranged on the furnace body;

[0008] The door assembly is automatically rotated between the rotating shaft assembly and the furnace body, and the door assembly is automatically locked and fixed between the furnace body and the locking assembly.

[0009] Furthermore, the locking assembly comprises:

[0010] A locking seat, fixedly arranged on the furnace body;

[0011] The first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are rotatably arranged on the locking seat, and the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a parallelogram connecting rod mechanism;

[0012] The fifth connecting rod is rotatably arranged on the furnace body, the fifth connecting rod is rotatably connected with the third connecting rod and the fourth connecting rod, and the fifth connecting rod drives the locking arm to lock the door assembly.

[0013] Furthermore, the locking arm is rotatably connected to the locking seat, and the locking arm and the fifth connecting rod are connected via a sixth connecting rod.

[0014] Furthermore, a first connecting seat is rotatably provided at the connection between the first connecting rod and the third connecting rod, and a second connecting seat is rotatably provided at the connection between the second connecting rod and the fourth connecting rod, and the distance between the first connecting seat and the second connecting seat is variable.

[0015] Furthermore, a locking motor is provided on the second connecting seat, and a rotating shaft of the locking motor is threadedly driven with the first connecting seat.

[0016] Furthermore, a height-adjustable locking column is provided on the locking arm.

[0017] Further, the door assembly comprises:

[0018] The door frame is fixedly connected to the rotating shaft assembly through the connecting portion;

[0019] The door axis is set on the door frame;

[0020] The door body is provided with a bearing seat rotatably connected to the door shaft;

[0021] The locking part is arranged on the door frame, and the locking assembly locks and fixes the door frame through the locking part.

[0022] Furthermore, a locking plate is provided on the locking portion, a spring is provided between the locking plate and the locking portion, and the locking assembly locks and fixes the door frame by pressing the locking plate.

[0023] Further, the shaft assembly includes:

[0024] A rotating shaft seat, fixedly connected to the furnace body;

[0025] A rotating shaft motor is arranged on the rotating shaft seat;

[0026] The connecting seat is connected to the door assembly, and the shaft motor drives the connecting seat to rotate horizontally.

[0027] Beneficial effects of the present invention:

[0028] (1) The device can realize the fully automatic opening and closing of the furnace door through the automatic furnace opening and closing device, and the furnace door body is closed and locked tightly through the locking device, which is safe to operate and saves manpower.

[0029] (2) Locking is achieved through a connecting rod mechanism in the locking device, which has a simple structure and a more reliable locking effect.

[0030] (3) The door body and the door frame can rotate relative to each other, and the door body can adaptively fit the furnace body. The setting of the locking plate and the spring can make the door body fit more closely. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Figure 1 It is a schematic diagram of the structure of the present invention;

[0033] Figure 2 is a schematic diagram of the structure of the door assembly;

[0034] Figure 3 is a schematic diagram of the structure of the shaft assembly;

[0035] Figure 4It is a schematic diagram of the structure when the locking assembly is opened;

[0036] Figure 5 It is a schematic diagram of the structure when the locking assembly is locked.

[0037] In the picture:

[0038] 1. Door assembly, 2. Shaft assembly, 3. Locking assembly, 4. Furnace body

[0039] 101. Door frame, 102. Door body, 103. Door shaft, 104. Bearing seat, 105. Connecting part, 106. Locking part, 107. Locking plate, 108. Spring

[0040] 201. Rotating shaft seat, 202. Rotating shaft motor, 203. Connecting seat

[0041] 301. Locking seat, 302. First connecting rod, 303. Second connecting rod, 304. Third connecting rod, 305. Fourth connecting rod, 306. First connecting seat, 307. Second connecting seat, 308. Locking motor, 309. Fifth connecting rod, 310. Sixth connecting rod, 311. Locking arm, 312. Locking column. DETAILED DESCRIPTION

[0042] The present invention is further described in detail below with reference to the accompanying drawings.

[0043] The specific structure of the automatic furnace door includes a rotating shaft assembly 2 and a locking assembly 3 arranged on the furnace body 4. The door assembly 1 is automatically rotated between the rotating shaft assembly 2 and the furnace body 4, and the door assembly 1 is automatically locked and fixed between the furnace body 4 through the locking assembly 3.

[0044] The specific structure of the locking assembly 3 includes a locking seat 301 fixedly arranged on the furnace body 4. The first connecting rod 302, the second connecting rod 303, the third connecting rod 304 and the fourth connecting rod 305 are rotatably arranged on the locking seat 301, and the first connecting rod 302, the second connecting rod 303, the third connecting rod 304 and the fourth connecting rod 305 form a parallelogram linkage mechanism. The fifth connecting rod 309 is rotatably arranged on the furnace body 4, and the fifth connecting rod 309 is rotatably connected with the third connecting rod 304 and the fourth connecting rod 305. The parallelogram linkage mechanism drives the fifth connecting rod 309 to swing, and the fifth connecting rod 309 drives the locking arm 311 to lock the door assembly 1.

[0045] The locking arm 311 is rotatably connected to the locking seat 301, and the locking arm 311 is connected to the fifth connecting rod 309 via the sixth connecting rod 310. With this structure, the swing angle of the locking arm 311 can be increased, that is, the fifth connecting rod 309 can swing at a smaller angle to drive the locking arm 311 to swing at a larger angle.

[0046] A first connection seat 306 is rotatably provided at the connection of the first connecting rod 302 and the third connecting rod 304, and a second connection seat 307 is rotatably provided at the connection of the second connecting rod 303 and the fourth connecting rod 305. The distance between the first connection seat 306 and the second connection seat 307 is variable. In a specific implementation, a locking motor 308 is provided on the second connection seat 307, and the rotating shaft of the locking motor 308 is threadedly transmitted with the first connection seat 306. The rotation of the locking motor 308 can drive the distance between the first connection seat 306 and the second connection seat 307 to change, thereby driving the locking arm 311 to swing through the parallelogram linkage mechanism composed of the first connecting rod 302, the second connecting rod 303, the third connecting rod 304 and the fourth connecting rod 305. A height-adjustable locking column 312 is provided on the locking arm 311, which can adapt to door assemblies of different thicknesses.

[0047] The specific structure of the door assembly 1 includes a door frame 101, and the door frame 101 is fixedly connected to the rotating shaft assembly 2 through a connecting portion 105. A door shaft 103 is arranged on the door frame 101. A bearing seat 104 rotatably connected to the door shaft 103 is arranged on the door body 102. A locking portion 106 is arranged on the door frame 101, and the locking assembly 3 locks and fixes the door frame 101 through the locking portion 106. A locking plate 107 is arranged on the locking portion 106, and a spring 108 is arranged between the locking plate 107 and the locking portion 106. The locking assembly 3 locks and fixes the door frame 101 by pressing the locking plate 107, which can make the door body 102 fit more tightly.

[0048] The specific structure of the rotating shaft assembly 2 includes a rotating shaft seat 201 fixedly connected to the furnace body 4. The rotating shaft motor 202 is arranged on the rotating shaft seat 201. The connecting seat 203 is connected to the door assembly 1, and the rotating shaft motor 202 drives the connecting seat 203 to rotate horizontally, so that the door assembly 1 can realize the opening and closing movement.

[0049] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. Automatic furnace door, characterized in that, include: A rotating shaft assembly (2) is arranged on the furnace body (4); A locking assembly (3) is arranged on the furnace body (4), and the locking assembly (3) comprises: The locking seat (301) is fixedly arranged on the furnace body (4). The first connecting rod (302), the second connecting rod (303), the third connecting rod (304) and the fourth connecting rod (305) are rotatably arranged on the locking seat (301), and the first connecting rod (302), the second connecting rod (303), the third connecting rod (304) and the fourth connecting rod (305) form a parallelogram connecting rod mechanism. A fifth connecting rod (309) is rotatably disposed on the furnace body (4), the fifth connecting rod (309) being rotatably connected to the third connecting rod (304) and the fourth connecting rod (305), and the fifth connecting rod (309) drives the locking arm (311) to lock the door assembly (1); The door assembly (1) is automatically rotated between the rotating shaft assembly (2) and the furnace body (4), and the door assembly (1) is automatically locked and fixed between the furnace body (4) through the locking assembly (3).

2. The automatic furnace door according to claim 1, characterized in that: The locking arm (311) is rotatably connected to the locking seat (301), and the locking arm (311) is connected to the fifth connecting rod (309) via a sixth connecting rod (310).

3. The automatic furnace door according to claim 1, characterized in that: A first connecting seat (306) is rotatably provided at the connection point between the first connecting rod (302) and the third connecting rod (304), and a second connecting seat (307) is rotatably provided at the connection point between the second connecting rod (303) and the fourth connecting rod (305), and the distance between the first connecting seat (306) and the second connecting seat (307) is variable.

4. The automatic furnace door according to claim 3, characterized in that: The second connecting seat (307) is provided with a locking motor (308), and the rotating shaft of the locking motor (308) is threadedly driven with the first connecting seat (306).

5. The automatic furnace door according to claim 1, characterized in that: The locking arm (311) is provided with a locking column (312) with adjustable height.

6. The automatic furnace door according to claim 1, characterized in that: The door assembly (1) comprises: The door frame (101) is fixedly connected to the rotating shaft assembly (2) via a connecting portion (105); A door shaft (103) is arranged on the door frame (101); A door body (102), wherein a bearing seat (104) rotatably connected to a door shaft (103) is disposed on the door body (102); The locking portion (106) is arranged on the door frame (101), and the locking assembly (3) locks and fixes the door frame (101) via the locking portion (106).

7. The automatic furnace door according to claim 6, characterized in that: A locking plate (107) is provided on the locking portion (106), a spring (108) is provided between the locking plate (107) and the locking portion (106), and the locking assembly (3) locks and fixes the door frame (101) by pressing the locking plate (107).

8. The automatic furnace door according to claim 1, characterized in that: The rotating shaft assembly (2) comprises: A rotating shaft seat (201) is fixedly connected to the furnace body (4); A rotating shaft motor (202) is disposed on the rotating shaft seat (201); The connecting seat (203) is connected to the door assembly (1), and the rotating shaft motor (202) drives the connecting seat (203) to rotate horizontally.

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