Heat treatment furnace capable of uniformly heating

Abstract

The utility model relates to the technical field of heat treatment furnaces, and discloses a uniform heating heat treatment furnace which comprises a furnace body, a groove is formed in the inner side surface of the furnace body, heating seats are fixed to the inner walls of the two ends of the groove, heating wires are arranged on the inner sides of the heating seats in a penetrating mode, and a guide rail is arranged at the lower end of an opening of the furnace body. A trolley is arranged at the upper end of the guide rail, and a pulley is mounted at the joint of the trolley and the guide rail through a rotating shaft; the sizing block is fixed to the outer wall of the upper end of the trolley, and a cushion block of a hollow structure is arranged at the upper end of the sizing block. According to the heat treatment furnace with the uniform heating function, the cushion blocks are filled with the heat storage salt, heat is absorbed when the furnace body is preheated, when a workpiece is placed on the trolley and pushed into the furnace body to be subjected to heat treatment, the heat storage salt can assist the heating wires arranged in the furnace body in conducting all-dimensional coating type heating on the workpiece, and the heat treatment effect is better and more stable; and poor heat treatment effect caused by non-uniform heating of the bottom end of the workpiece is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment furnace technical field, concretely is a kind of heat treatment furnace of even heating. BACKGROUND

[0002] Heat treatment furnace is a kind of industrial furnace for various metal heat treatment of metal workpiece, it changes the metallographic structure of material surface or inside by heating, heat preservation and cooling process, to control its performance.The temperature of heat treatment furnace is generally lower, mainly used for the heat treatment process of metal material, for the continuous heat treatment heating of workpiece batch.

[0003] After searching, there is a kind of heat treatment furnace with even heating structure with publication number CN216663166U, including base, outer furnace body and inner furnace body, for solving the problem that mutual shielding surface is formed between two adjacent steel plates of stacking, in turn, and the effect of even heating of heat treatment furnace cannot be well realized, in the utility model, heat source is not arranged at the lower end of inner furnace body to heat material, material is prone to poor heat treatment effect due to uneven heating in heat treatment process, and heat treatment stability is not good enough, therefore, we propose a kind of heat treatment furnace of even heating. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of heat treatment furnace of even heating to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of heat treatment furnace of even heating, comprising:

[0006] Furnace body, the inner side surface of the furnace body is provided with recess, the two end inner walls of the recess are fixed with heating seat, the inner side of the heating seat is provided with heating wire, the lower end of the opening of the furnace body is placed with guide rail, the upper end of the guide rail is provided with trolley, the connecting place of the trolley and guide rail is installed with pulley through pivot;

[0007] Iron pad, which is fixed to the upper end outer wall of the trolley, the upper end of the iron pad is placed with hollow structure pad block, the four corners outer wall of the pad block is fixed with angle block, the outer wall of the pad block is sleeved with iron ring through angle block, the inside of the pad block is filled with heat storage salt.

[0008] Further, the recess and heating wire are symmetrically arranged about the central axis of the furnace body, and the trolley is connected to the furnace body through the pulley and the guide rail.

[0009] Further, the heat storage salt is symmetrically arranged about the central axis of the pad block, and the angle block is symmetrically arranged about the central axis of the pad block, and the iron ring is uniformly distributed along the outer surface of the angle block.

[0010] Further, a screw hole is formed on the outer wall of one end of the trolley away from the furnace body, and a traction ring is connected to the inner side of the screw hole.

[0011] Further, the screw hole is symmetrically arranged relative to the central axis of the trolley, and the traction ring is threadedly connected between the screw hole and the trolley.

[0012] Further, a support is fixed to the upper surface of one side of the furnace body close to the open end, a traction machine is mounted on the top end of the outer wall of the support through bolts, and a heat preservation furnace door is connected to the traction end of the traction machine through a rope, and the heat preservation furnace door is arranged at the open end of the furnace body.

[0013] Further, the heat preservation furnace door is telescopically connected between the traction end of the traction machine and the support and the furnace body, and the heat preservation furnace door forms a surrounding structure between the furnace body and the trolley.

[0014] Compared with the prior art, the beneficial effects of the present application are:

[0015] The heat treatment furnace with uniform heating is provided with heat storage salt which is filled in the cushion block, absorbs heat when the furnace body is preheated, and can assist the heating wire arranged in the furnace body to perform omnibearing cladding heating on the workpiece when the workpiece is placed on the trolley and pushed into the furnace body for heat treatment, so that the heat treatment effect is better and more stable, and the uneven heating of the bottom end of the workpiece is prevented to cause poor heat treatment effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a main view structural schematic diagram of the furnace body part of the present application in the open state of the heat preservation furnace door.

[0017] Figure 2 It is a structural schematic diagram of the cushion block part of the present application in the placement state.

[0018] Figure 3 It is a sectional view enlarged structural schematic diagram of the cushion block part.

[0019] In the figure: 1, furnace body; 2, groove; 3, heating seat; 4, heating wire; 5, guide rail; 6, trolley; 7, pulley; 8, cushion iron; 9, cushion block; 10, angle block; 11, iron ring; 12, heat storage salt; 13, screw hole; 14, traction ring; 15, support; 16, traction machine; 17, heat preservation furnace door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] The utility model discloses a heat treatment furnace that improves heating uniformity, please refer to Figures 1-3 , including: furnace body 1, the inside surface of furnace body 1 is provided with recess 2, the both ends inner wall of recess 2 is fixed with heating seat 3, the inside of heating seat 3 is provided with heating wire 4, recess 2 and heating wire 4 are about the position symmetry of the central axis of furnace body 1, heating seat 3 and heating wire 4 are used to heat the inside of furnace body 1 and heat up, and it is convenient for the heat treatment operation to carry out, the lower end of the opening of furnace body 1 is provided with guide rail 5, the upper end of guide rail 5 is provided with trolley 6, the connecting place of trolley 6 and guide rail 5 is installed with pulley 7 through the pivot, and trolley 6 is connected between pulley 7 and guide rail 5 and furnace body 1 and constitutes the telescopic connection, and trolley 6 is used to place the workpiece to be heat treated, the outer wall of the upper end of trolley 6 is fixed with pad iron 8, the upper end of pad iron 8 is placed with pad block 9 of hollow structure, the outer wall of four corners of pad block 9 is fixed with angle block 10, and angle block 10 is about the position symmetry of the central axis of pad block 9, the outer wall of pad block 9 is sleeved with iron ring 11 through angle block 10, and iron ring 11 is equidistantly and uniformly distributed along the outer surface of angle block 10, and angle block 10 and iron ring 11 are used to improve the support stability of the special-shaped workpiece, reduce the contact area with the special-shaped workpiece to be heated, and facilitate the uniform heating of the workpiece to be heated, the inside of pad block 9 is filled with heat storage salt 12, heat storage salt 12 is about the position symmetry of the central axis of pad block 9, and heat storage salt 12 is filled in the inside of pad block 9, absorbs heat when furnace body 1 is preheated, when the workpiece is placed on trolley 6 and pushed into furnace body 1 for heat treatment, can assist the heating wire 4 arranged in furnace body 1 to heat the workpiece in all directions, so that the workpiece is heated more uniformly in the inside of furnace body 1, so that the heat treatment effect is better, and prevents the workpiece bottom from being heated unevenly to cause the heat treatment effect to be poor.

[0022] Please refer to Figures 1-2 , a heat treatment furnace that improves heating uniformity, including: the outer wall of the one end of trolley 6 away from furnace body 1 is provided with screw hole 13, screw hole 13 is about the position symmetry of the central axis of trolley 6, the inside of screw hole 13 is connected with traction ring 14, and traction ring 14 is connected between screw hole 13 and trolley 6 and constitutes screw connection, and the setting traction ring 14 is installed on one side of trolley 6 through screw hole 13, so that the staff can pull and move trolley 6 through traction equipment, so that the workpiece to be heated is placed or taken down operation, and the operation convenience is improved.

[0023] Please refer to Figure 1 The application relates to a heat treatment furnace with uniform heating, which comprises the following: a support 15 is fixed on the upper surface of a furnace body 1 near an opening end, an outer wall of the top end of the support 15 is provided with a traction machine 16 which is installed through bolts, the traction machine 16 is used for pulling a heat preservation furnace door 17 through a rope which is pulled by a traction end, the traction end of the traction machine 16 is connected with the heat preservation furnace door 17 through the rope, the rope is used for resisting high temperature and lifting the heat preservation furnace door 17 through the traction end of the traction machine 16, the heat preservation furnace door 17 is connected with the furnace body 1 through the traction end of the traction machine 16 and the support 15 in an extension mode, the heat preservation furnace door 17 is arranged at the opening end of the furnace body 1, and the heat preservation furnace door 17 forms a surrounding structure with the furnace body 1 and a trolley 6, the heat preservation furnace door 17 is arranged for keeping the temperature of the furnace body 1 stable during heating, preventing the heat in the furnace body 1 from leaking from the opening end and causing uneven heating, and preventing the heat in the furnace body 1 from damaging surrounding personnel or equipment when the heat preservation furnace door 17 is closed.

[0024] Working principle: for the heat treatment furnace with uniform heating, firstly, a worker starts heating wires 4 installed in a groove 2 through a heating seat 3, so that the heating wires 4 preheat the inside of a furnace body 1 and cushion blocks 9 arranged on a trolley 6, the cushion blocks 9 store heat through internally filled heat storage salt 12, when the temperature in the furnace body 1 reaches the heat treatment requirement, the worker starts a traction machine 16 installed on the furnace body 1 through a support 15, the traction machine 16 drives a heat preservation furnace door 17 connected through a rope to rise at the opening end of the furnace body 1, a worker pulls a traction ring 14 connected through a screw hole 13 on the trolley 6 through a traction device, and the trolley 6 is pulled out, then the worker puts workpieces to be heat treated on the trolley 6 through the traction device, the trolley 6 slides on a guide rail 5 through a pulley 7, so as to conveniently feed materials into the furnace body 1, when the materials enter the furnace body 1 for heat treatment, the traction machine 16 drives the heat preservation furnace door 17 to descend through the traction end, so as to close the furnace body 1 and prevent heat loss, finally, the furnace body 1 carries out heat treatment on the workpieces through heat generated by the heating wires 4, heat of the cushion iron 8 on the trolley 6 and heat of the heat storage salt 12 in the cushion blocks 9, the iron ring 11 sleeved on the angle block 10 on the cushion block 9 can better support special-shaped workpieces and reduce the contact area between the cushion block 9 and the workpieces, so as to improve heating uniformity and heat treatment efficiency.

[0025] Although the embodiments of the application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. A heat treatment furnace with uniform heating, characterized in that, Include: The inner side surface of the furnace body (1) is provided with a groove (2), the inner wall of both ends of the groove (2) is fixed with a heating seat (3), the inner side of the heating seat (3) is provided with a heating wire (4), the lower end of the opening of the furnace body (1) is provided with a guide rail (5), the upper end of the guide rail (5) is provided with a trolley (6), the connecting part of the trolley (6) and the guide rail (5) is provided with a pulley (7) through the rotating shaft; The pad iron (8) is fixed on the outer wall of the upper end of the trolley (6), the upper end of the pad iron (8) is provided with a hollow structure pad block (9), the outer wall of the four corners of the pad block (9) is fixed with an angle block (10), the outer wall of the pad block (9) is sleeved with an iron ring (11) through the angle block (10), and the inside of the pad block (9) is filled with heat storage salt (12).

2. The heat treating furnace of claim 1 wherein: The groove (2) and the heating wire (4) are symmetrically arranged about the central axis of the furnace body (1), and the trolley (6) is connected between the pulley (7) and the guide rail (5) through the rotating shaft.

3. The heat treating furnace of claim 1 wherein: The heat storage salt (12) is symmetrically arranged about the central axis of the pad block (9), the angle block (10) is symmetrically arranged about the central axis of the pad block (9), and the iron ring (11) is uniformly distributed along the outer surface of the angle block (10).

4. The heat treating furnace of claim 1 wherein: The outer wall of one end of the trolley (6) away from the furnace body (1) is provided with a screw hole (13), and the inner side of the screw hole (13) is connected with a traction ring (14).

5. The heat-treating furnace of uniform heating according to claim 4, characterized in that: The screw hole (13) is symmetrically arranged about the central axis of the trolley (6), and the traction ring (14) is connected between the screw hole (13) and the trolley (6) through the screw thread.

6. The heat treating furnace of claim 1 wherein: The upper surface of one side of the furnace body (1) close to the opening end is fixed with a support (15), the outer wall of the top end of the support (15) is provided with a traction machine (16) through bolts, the traction end of the traction machine (16) is connected with a heat preservation furnace door (17) through a rope, and the heat preservation furnace door (17) is arranged at the opening end of the furnace body (1).

7. A heat-treating furnace for heating uniformly as set forth in claim 6, characterized by: The heat preservation furnace door (17) is connected between the traction end of the traction machine (16) and the furnace body (1) through the support (15) through the extension connection, and the heat preservation furnace door (17) is connected between the furnace body (1) and the trolley (6) through the surrounding structure.

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