Tempering furnace

Abstract

The utility model discloses a tempering furnace which comprises a furnace cover, a furnace body assembly is arranged at the bottom of the furnace cover, and a plurality of heating wires are arranged in an inner cavity of the furnace body assembly; the outer wall of the bearing rod is sleeved with a sliding pipe, and a plurality of bearing mechanisms are arranged on the outer wall of the sliding pipe in a spiral structure. The bearing mechanism comprises a threaded groove, a connecting rod, a pipe sleeve and a bearing assembly, one end of the connecting rod is in threaded connection with an inner cavity of the threaded groove, the pipe sleeve is slidably connected with the outer wall of the connecting rod, and the bearing assembly is used for hanging the chain ring structure. By means of the arrangement mode that the bearing rod, the sliding pipe and the bearing mechanism are matched, through the spiral structure of the bearing mechanism, the chain connecting ring of the chain-shaped structure can be borne on the surfaces of the connecting rod and the pipe sleeve in a spiral mode, unfolding of the chain-shaped structure is facilitated, and the heating uniformity of the chain-shaped structure is improved; and hanging and taking of the chain structures are facilitated, stable heating and tempering of the multiple chain structures are facilitated, and the tempering effect of the chain structures is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tempering furnaces, in particular to a tempering furnace. Background Art

[0002] The tempering furnace is used for tempering general metal parts in the air, as well as quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates, etc. When processing chain structures such as docking links, tempering treatment must be carried out in a tempering furnace.

[0003] The existing link tempering is often done by directly placing the link in an iron barrel, hoisting the iron barrel containing the link into a tempering furnace by a bridge crane, covering the tempering furnace with a lid, and then performing the tempering treatment. However, during the tempering, the link piles up in the iron barrel, which may cause uneven heating of some link in the iron barrel, resulting in unsatisfactory link tempering effect. Utility Model Content

[0004] The purpose of the utility model is to provide a tempering furnace to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tempering furnace, comprising:

[0006] A furnace cover, the bottom of which is provided with a furnace body assembly, and the inner cavity of the furnace body assembly is provided with a plurality of heating wires;

[0007] A bearing rod is arranged at the bottom of the middle part of the furnace body assembly, a sliding tube is sleeved on the outer wall of the bearing rod, and a plurality of bearing mechanisms are arranged on the outer wall of the sliding tube in a spiral structure;

[0008] The bearing mechanism includes a threaded groove, a connecting rod, a pipe sleeve and a bearing assembly. One end of the connecting rod is threadedly connected to the inner cavity of the threaded groove, the pipe sleeve is slidably connected to the outer wall of the connecting rod, and the bearing assembly is arranged at one end of the pipe sleeve. The bearing assembly is used for hanging a chain ring structure.

[0009] Preferably, a plurality of the thread grooves are formed in a spiral structure and are opened on the outer wall of the slide tube, and a clamping groove is opened on the top of the slide tube.

[0010] Preferably, the bearing assembly comprises a positioning groove, a positioning tube and a bearing hook, the positioning tube is slidably and interlacedly connected with the inner cavity of the positioning groove, and the bearing hook is fixed to the top of the positioning tube.

[0011] Preferably, the positioning groove is formed at one end of the pipe sleeve, and the one end of the pipe sleeve is in an upward hook-shaped structure.

[0012] Preferably, the furnace body assembly comprises a furnace outer jacket, thermal insulation cotton, a thermal insulation shell, a hollow layer and a furnace inner jacket, the thermal insulation cotton is arranged in the inner cavity of the furnace outer jacket, the hollow layer is arranged in the inner cavity of the thermal insulation shell, and the furnace inner jacket is fixed to the inner wall of the thermal insulation shell.

[0013] Preferably, the thermal insulation cotton is fixed to the outer wall of the thermal insulation shell, and the bottom end of the bearing rod is fixedly connected to the inner wall of the furnace sleeve.

[0014] Preferably, the plurality of heating wires are fixedly embedded in the inner wall of the furnace inner sleeve, and the furnace inner sleeve is made of loess.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model utilizes a configuration method in which a load-bearing rod, a sliding tube and a load-bearing mechanism are coordinated, and through the spiral structure of the load-bearing mechanism, the chain ring of the chain structure can be spirally carried on the surface of the connecting rod and the pipe sleeve, which is convenient for the unfolding of the chain structure and improves the uniformity of heating of the chain structure. Moreover, through the load-bearing component, it is convenient to hang the chain structure, facilitate stable heating and tempering of multiple chain structures, and improve the tempering effect of the chain structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a front sectional structural diagram of the sliding pipe of the utility model.

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0020] In the figure: 1. furnace cover; 2. furnace body assembly; 21. furnace outer cover; 22. thermal insulation cotton; 23. thermal insulation shell; 24. hollow layer; 25. furnace inner cover; 3. load-bearing rod; 4. sliding pipe; 5. load-bearing mechanism; 51. threaded groove; 52. connecting rod; 53. pipe sleeve; 54. load-bearing assembly; 541. positioning groove; 542. positioning pipe; 543. load-bearing hook; 6. heating wire; 7. slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-3A tempering furnace is shown, comprising:

[0023] A furnace cover 1 is provided with a furnace body assembly 2 at the bottom thereof, and a plurality of heating wires 6 are provided in the inner cavity of the furnace body assembly 2. The furnace body assembly 2 comprises a furnace outer jacket 21, thermal insulation cotton 22, a thermal insulation shell 23, a hollow layer 24 and a furnace inner jacket 25. The furnace outer jacket 21 is made of steel plate, and the thermal insulation cotton 22 is arranged in the inner cavity of the furnace outer jacket 21. The thermal insulation cotton 22 is fixed to the outer wall of the thermal insulation shell 23. The thermal insulation performance of the furnace body assembly 2 is improved by the thermal insulation cotton 22. The hollow layer 24 is arranged in the inner cavity of the thermal insulation shell 23. The thermal insulation performance of the furnace body assembly 2 is improved again by the setting of the hollow layer 24. The furnace inner jacket 25 is fixed to the inner wall of the thermal insulation shell 23. The furnace inner jacket 25 is made of loess, so that the inner cavity of the tempering furnace is arranged in a kiln structure, thereby improving the tempering effect on the workpiece. A plurality of heating wires 6 are fixedly embedded in the inner wall of the furnace inner jacket 25. The setting of the heating wires 6 facilitates the furnace body assembly 2 to perform stable tempering treatment on the chain-shaped workpiece;

[0024] A bearing rod 3 is provided at the bottom of the middle part of the furnace body assembly 2, and the bottom end of the bearing rod 3 is fixedly connected to the inner wall of the furnace inner sleeve 25, and a sliding tube 4 is sleeved on the outer wall of the bearing rod 3, so that the sliding tube 4 can slide out of the inner cavity of the furnace body assembly 2, and a clamping groove 7 is provided on the top of the sliding tube 4, and the clamping groove 7 is an annular groove structure, and the inner wall top of the clamping groove 7 is provided with clamping holes in an annular array, so that the sliding tube 4 can be pulled out of the inner cavity of the furnace body assembly 2 by using a hook rod;

[0025] The outer wall of the sliding tube 4 is provided with a plurality of bearing mechanisms 5 in a spiral structure. The bearing mechanisms 5 include a thread groove 51, a connecting rod 52, a pipe sleeve 53 and a bearing assembly 54. The plurality of thread grooves 51 are provided in a spiral structure on the outer wall of the sliding tube 4. One end of the connecting rod 52 is threadedly connected to the inner cavity of the thread groove 51, which is convenient for fixing the position of the connecting rod 52 so that the connecting rod 52 can be provided in a spiral structure on the outer wall of the sliding tube 4. The spiral structure of the thread groove 51 on the outer wall of the sliding tube 4 facilitates the unfolding of the chain structure and improves the uniformity of heating of the chain structure. The pipe sleeve 53 is slidably connected to the outer wall of the connecting rod 52. The top and bottom of the inner wall of the pipe sleeve 53 are fixedly connected to the limiting blocks. The opposite sides of the two limiting blocks are respectively connected to the connecting rod The top and bottom of 52 are slidably interlaced and connected, which is convenient for improving the sliding stability of the pipe sleeve 53 and the connecting rod 52, so that the chain-like structures such as the chain ring can be laid in a spiral structure on the top of multiple connecting rods 52 and the pipe sleeve 53, so that the chain-like structure can be stably laid, preventing the accumulation of the chain-like structure and reducing the tempering unevenness. One end of the pipe sleeve 53 is an upward hook structure, which prevents the chain-like structure workpiece such as the chain ring from slipping off the outer wall of the pipe sleeve 53 at will. Through the stable sliding of the pipe sleeve 53 and the outer wall of the connecting rod 52, the pipe sleeve 53 can be extended to different lengths, and the chain ring and other structures can be stably laid in a spiral structure on the outer wall of the connecting rod 52 and the pipe sleeve 53, which is convenient for stably bearing chain structures of different lengths;

[0026] The bearing assembly 54 is arranged at one end of the sleeve 53, and the bearing assembly 54 is used for hanging the chain ring structure. The bearing assembly 54 includes a positioning groove 541, a positioning tube 542 and a bearing hook 543. The positioning groove 541 is a hole structure with two different circular structures, and the positioning tube 542 is composed of two different cylindrical structures. The positioning tube 542 cooperates with the inner cavity structure of the positioning groove 541, and the bearing hook 543 is an arc-shaped hook structure, which is convenient for hanging the workpiece of the hook ring structure. The positioning groove 541 is opened at one end of the sleeve 53, and the positioning tube 542 is slidably connected with the inner cavity of the positioning groove 541. The bearing hook 543 is fixed to the top of the positioning tube 542, and through the bearing hook 543, the chain ring of the chain structure can be spirally carried on the surface of the connecting rod 52 and the sleeve 53, and it is also convenient for the bearing hook 543 to hang the chain structure, which is convenient for multiple chain structures to be stably heated and tempered, and improve the tempering effect of the chain structure.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A tempering furnace, comprising: A furnace cover (1), the bottom of which is provided with a furnace body assembly (2), wherein the inner cavity of the furnace body assembly (2) is provided with a plurality of heating wires (6); The invention is characterized in that: a bearing rod (3) is arranged at the middle bottom of the furnace body assembly (2); a sliding tube (4) is sleeved on the outer wall of the bearing rod (3); and a plurality of bearing mechanisms (5) are arranged on the outer wall of the sliding tube (4) in a spiral structure; The bearing mechanism (5) comprises a threaded groove (51), a connecting rod (52), a pipe sleeve (53) and a bearing assembly (54); one end of the connecting rod (52) is threadedly connected to the inner cavity of the threaded groove (51); the pipe sleeve (53) is slidably connected to the outer wall of the connecting rod (52); the bearing assembly (54) is arranged at one end of the pipe sleeve (53); and the bearing assembly (54) is used for suspending the chain ring structure.

2. A tempering furnace according to claim 1, characterized in that: The plurality of thread grooves (51) are formed in a spiral structure and are opened on the outer wall of the slide tube (4). A clamping groove (7) is opened on the top of the slide tube (4).

3. A tempering furnace according to claim 1, characterized in that: The bearing assembly (54) comprises a positioning groove (541), a positioning tube (542) and a bearing hook (543); the positioning tube (542) is slidably connected with the inner cavity of the positioning groove (541); and the bearing hook (543) is fixed to the top of the positioning tube (542).

4. A tempering furnace according to claim 3, characterized in that: The positioning groove (541) is formed at one end of the pipe sleeve (53), and the one end of the pipe sleeve (53) is in an upward hook-shaped structure.

5. A tempering furnace according to claim 1, characterized in that: The furnace body assembly (2) comprises a furnace outer shell (21), thermal insulation cotton (22), a thermal insulation shell (23), a hollow layer (24) and a furnace inner shell (25); the thermal insulation cotton (22) is arranged in the inner cavity of the furnace outer shell (21); the hollow layer (24) is arranged in the inner cavity of the thermal insulation shell (23); and the furnace inner shell (25) is fixed to the inner wall of the thermal insulation shell (23).

6. A tempering furnace according to claim 5, characterized in that: The heat-insulating cotton (22) is fixed to the outer wall of the heat-insulating shell (23), and the bottom end of the bearing rod (3) is fixedly connected to the inner wall of the furnace inner sleeve (25).

7. A tempering furnace according to claim 5, characterized in that: A plurality of the heating wires (6) are fixedly embedded in the inner wall of the furnace inner jacket (25), and the furnace inner jacket (25) is made of loess.

Images