Heat treatment furnace

Abstract

The utility model discloses a heat treatment furnace which comprises a trolley type heat treatment furnace, the trolley type heat treatment furnace comprises a ground rail, a trolley is connected to the ground rail in a sliding mode, the trolley is covered with a heating furnace body, the front end and the rear end of the heating furnace body are open ends, the ground rail is in a circular ring shape, the trolley is also in a circular ring shape, and the heating furnace body extends in the circumferential direction of the ground rail or the trolley. The extending peripheral angle of the heating furnace body is 120 degrees, three furnace doors are distributed on the periphery of the trolley, the included angles between every two adjacent furnace doors are equal, the furnace doors can penetrate in from the front end of the heating furnace body and penetrate out from the rear end of the heating furnace body, a gear ring is coaxially arranged on the trolley, a gear is meshed on the gear ring, and a power assembly for controlling the gear to rotate is in transmission connection with the gear. And the power assembly, the ground rail and the heating furnace body are all fixed on the ground. The heat treatment furnace has the characteristics of high utilization rate, energy conservation, environmental protection, complete overall functions and high practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of metal heat treatment, and more specifically, to a heat treatment furnace. Background Art

[0002] After a traditional trolley heat treatment furnace completes the heat treatment operation of a workpiece, the trolley with the workpiece needs to be dragged out of the furnace, left to stand for a certain period of time before unloading, and then a new batch of workpieces to be heat treated are loaded. During the loading and unloading of the workpiece, the furnace body is not used for a part of the time, the utilization rate is low, and the overall effect is not good. Based on this, the utility model proposes a heat treatment furnace. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and provide a heat treatment furnace which has the characteristics of high utilization rate, energy saving and environmental protection.

[0004] To solve the above technical problems, the purpose of the utility model is achieved as follows: a heat treatment furnace involved in the utility model includes a trolley-type heat treatment furnace, the trolley-type heat treatment furnace includes a ground rail, a trolley is slidably connected to the ground rail, and a heating furnace body with open ends at the front and rear ends is covered on the trolley. The ground rail is in a circular ring shape, and the trolley is also in a circular ring shape. The heating furnace body extends along the circumference of the ground rail or the trolley. The extension angle of the heating furnace body is 120°. Three furnace doors are arranged on the circumference of the trolley, and the interval angles between adjacent two furnace doors are equal. The furnace door can be inserted from the front end and the rear end of the heating furnace body. A gear ring is coaxially arranged on the trolley, and a gear is meshed on the gear ring. The gear is transmission-connected with a power assembly that controls its rotation, and the power assembly, the ground rail and the heating furnace body are all fixed on the ground.

[0005] The utility model is further configured as follows: the gear ring is arranged on the inner side surface of the trolley.

[0006] The utility model is further configured as follows: the power assembly includes a motor and a reducer.

[0007] The utility model is further configured as follows: the furnace door is a double-sided furnace door.

[0008] In summary, the utility model has the following beneficial effects: the heat treatment furnace involved in the utility model, by arranging the ground rail and the trolley in a circular shape, and matching it with a heating furnace body extending 120° circumferentially, so that the trolley rotates 120° once, a workstation switching is completed. One workstation outside the heating furnace body can be used for workpiece unloading, and the other workstation can be used for workpiece loading, so that the heating furnace body can be continuously used, the heating utilization rate is high, energy saving and environmental protection, the overall function is complete, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0010] Figure 2 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0011] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0012] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0013] Example 1

[0014] See also Figure 1 and Figure 2 As shown, a heat treatment furnace involved in this embodiment includes a trolley-type heat treatment furnace, which includes a ground rail 1, a trolley 2 is slidably connected to the ground rail 1, and a heating furnace body 3 with open ends at the front and rear ends is covered on the trolley 2. The ground rail 1 is in a circular ring shape, and the trolley 2 is also in a circular ring shape. The heating furnace body 3 extends along the circumference of the ground rail 1 or the trolley 2, and the extension angle of the heating furnace body 3 is 120°. Three furnace doors 4 are arranged on the trolley 2, and the interval angles between two adjacent furnace doors 4 are equal. The furnace door 4 can be inserted from the front end and the rear end of the heating furnace body 3. A gear ring 5 is coaxially arranged on the trolley 2, and a gear 6 is meshed on the gear ring 5. The gear 6 is transmission-connected with a power assembly (not shown) for controlling its rotation, and the power assembly, the ground rail 1 and the heating furnace body 3 are all fixed on the ground.

[0015] Furthermore, the power assembly includes a motor and a reducer.

[0016] In this embodiment, three furnace doors 4 are arranged around the trolley 2, and the interval angles between two adjacent furnace doors 4 are set equal, so that three loading stations separated by three furnace doors 4 are formed on the table of the trolley 2, and the heating furnace body 3 is also extended circumferentially, and the extension angle is also 120°. Therefore, when one loading station is located inside the heating furnace body 3, the other two loading stations are just outside the heating furnace body 3, and can be used for loading and unloading of workpieces during heating, so that heat treatment of the workpiece and loading and unloading can be carried out synchronously and alternately.

[0017] The three furnace doors 4 are provided to seal the front and rear ends of the heating furnace body 3 during heat treatment.

[0018] Example 2

[0019] See also Figure 1 and Figure 2 As shown, the heat treatment furnace involved in this embodiment is further configured on the basis of Embodiment 1, wherein the gear ring 5 is arranged on the inner side of the trolley 2 .

[0020] In this embodiment, the gear ring 5 is arranged on the inner side of the trolley 2, so that the gear 6 and the components connected thereto are centrally placed, the equipment structure is more compact and the space utilization rate is high.

[0021] Example 3

[0022] See also Figure 1 and Figure 2 As shown, a heat treatment furnace involved in this embodiment is further configured on the basis of Embodiments 1 and 2, wherein the furnace door 4 is a double-sided furnace door.

[0023] The heat treatment furnace involved in the utility model arranges the ground rail and the trolley in a circular ring shape, and is matched with a heating furnace body extending 120° circumferentially, so that the trolley rotates 120° once to complete a station switching. One station outside the heating furnace body can be used for workpiece unloading and the other station can be used for workpiece loading, so that the heating furnace body can be used continuously, the heating utilization rate is high, energy saving and environmental protection are achieved, the overall function is complete, and the practicability is strong.

[0024] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0025] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A heat treatment furnace, including a trolley-type heat treatment furnace, the trolley-type heat treatment furnace includes a ground rail, a trolley is slidably connected to the ground rail, and the trolley is covered with a heating furnace body with both front and rear ends open, characterized in that: The ground rail is in a circular shape, and the trolley is also in a circular shape. The heating furnace body extends along the circumference of the ground rail or the trolley, and the extension angle of the heating furnace body is 120°. Three furnace doors are arranged on the circumference of the trolley, and the interval angles between two adjacent furnace doors are equal. The furnace doors can enter from the front end and exit from the rear end of the heating furnace body. A gear ring is coaxially arranged on the trolley, and a gear is meshed on the gear ring. The gear is transmission-connected with a power assembly for controlling its rotation, and the power assembly, the ground rail and the heating furnace body are all fixed on the ground.

2. The heat treatment furnace according to claim 1, characterized in that: The gear ring is arranged on the inner side of the trolley.

3. The heat treatment furnace according to claim 1 or 2, characterized in that: The power assembly includes a motor and a reducer.

4. The heat treatment furnace according to claim 3, characterized in that: The furnace door is a double-sided furnace door.

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