Environment-friendly metal workpiece heat treatment furnace

Abstract

The utility model discloses an environment-friendly metal workpiece heat treatment furnace which comprises a furnace body and a trolley, the trolley is connected in the furnace body in a sliding mode, electric heaters are fixedly installed on the side walls of the two ends in the furnace body, the trolley comprises a sealing door and a carrying plate, a carrying frame is fixedly installed at the upper end of the carrying plate, and the carrying frame is fixedly connected with the trolley. The carrying frame is connected with a bearing net plate through a clamping groove, and the furnace body is fixedly connected with an air circulation assembly. The heat treatment furnace has the beneficial effects that the air circulation assembly consisting of the air inlet end, the exhaust end, the pipeline and the fan is arranged and is matched with the air guide assembly, so that high-temperature air in the heat treatment furnace can circularly flow, and a more uniform and efficient heat treatment effect can be provided for a workpiece when the space in the furnace is relatively large; and meanwhile, the air filter plate is used for removing and filtering harmful gas generated in the heat treatment period of the metal workpiece, and the situation that the harmful gas escapes into surrounding environment air and influences the health of workers is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat treatment furnace, concretely relates to an environmental protection type metal workpiece heat treatment furnace. BACKGROUND

[0002] Metal workpiece refers to the collective name of metal blocks, metal rods, metal tubes and the like of various specifications and shapes made of metal materials, and the metal workpiece usually needs to be heat treated after processing, so the heat treatment furnace needs to be used.

[0003] The existing heat treatment furnace for metal workpiece processing usually only adopts a conventional side wall provided with a heating plate to heat the air in the furnace, such an operation mode can meet the conventional heat treatment demand, but the high-temperature air in the furnace cannot be circulated, and when the space in the furnace is large, the workpiece cannot be provided with more uniform and efficient heat treatment effect, in addition, during the heat treatment operation, the metal workpiece is easy to produce harmful gas, and the heat treatment furnace usually lacks gas treatment measures, so that the harmful gas is easy to escape in the surrounding ambient air and affect the health of the workers. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem in the prior art, and provides an environmental protection type metal workpiece heat treatment furnace which is provided with an air circulation device and can perform harmful gas removal treatment.

[0005] The utility model realizes the following technical scheme: the utility model provides an environmental protection type metal workpiece heat treatment furnace, which comprises a furnace body and a trolley, the trolley is slidingly connected in the furnace body, electric heaters are fixedly installed on the side walls at both ends in the furnace body, the trolley comprises a closing door and a loading plate, a carrying frame is fixedly installed at the upper end of the loading plate, a bearing net plate is connected to the carrying frame through a clamping groove, an air circulation assembly is fixedly connected to the furnace body, an air filter plate is arranged in the air circulation assembly, and an air guide assembly is movably installed on the side wall of the furnace body facing the closing door.

[0006] Further, the air circulation assembly comprises an air inlet end fixedly connected to one end side wall of the furnace body, an air outlet end fixedly connected to one side of the upper end of the furnace body and a pipeline for connecting the air inlet end and the air outlet end.

[0007] Further, the air circulation assembly further comprises a fan fixedly installed in the air outlet end.

[0008] Further, the air filter plate is detachably installed in the air inlet end, and the air filter plate has a plurality of air filter plates.

[0009] Further, the air guide assembly comprises a connecting frame movably connected to the side wall of the closing door, and a wind deflector is detachably mounted on one side wall of the furnace body.

[0010] Further, the connecting frame is fixedly mounted with a sliding block adjacent to one side wall of the closing door, and the closing door is provided with an electric sliding rail corresponding to the sliding block.

[0011] Further, the furnace body is formed with a sliding table at both sides of the inner bottom end, and the lower end of the carrier plate is formed with a sliding seat corresponding to the sliding table.

[0012] Further, the carrier net plate is provided in plurality, and the installation spacing of the carrier net plate can be adjusted.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a set of air circulation assembly formed by air inlet end, exhaust end, pipeline and fan, and cooperation air guide assembly can make the high temperature air in heat treatment furnace circulate, when the space in furnace is larger, can provide more uniform and efficient heat treatment effect for workpiece, and air filter board is used to filter harmful gas generated during heat treatment of metal workpiece, avoids the influence on the health of staff caused by the dispersion in ambient air. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the environmental protection type metal workpiece heat treatment furnace of the utility model;

[0016] Figure 2 It is the separation structure schematic diagram of trolley and furnace body in the environmental protection type metal workpiece heat treatment furnace of the utility model;

[0017] Figure 3 It is the rear view of the environmental protection type metal workpiece heat treatment furnace of the utility model; Figure 2

[0018] Figure 4 It is the structure section view of furnace body in the environmental protection type metal workpiece heat treatment furnace of the utility model; Figure 3

[0019] Figure 5 It is the structure enlarged view of A in the environmental protection type metal workpiece heat treatment furnace of the utility model; Figure 4

[0020] Figure 6 ​​​It is the horizontal section view of the environmental protection type metal workpiece heat treatment furnace.

[0021] The sign of the reference numerals is explained as follows:

[0022] 1, furnace body; 2, trolley; 3, air circulation assembly; 101, sliding table; 102, electric heater; 201, closed door; 202, carrier plate; 203, carrying frame; 204, bearing net plate; 205, sliding seat; 301, air inlet end; 302, exhaust end; 303, pipeline; 304, air filter plate; 305, fan; 4, air guide assembly; 401, connecting frame; 402, air guide plate; 403, sliding block; 404, electric sliding rail. Specific embodiments

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is combined with the drawings and examples, and the utility model is further described in detail.It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] As Figures 1-3 shown, the environmental protection type metal workpiece heat treatment furnace in the embodiment includes a furnace body 1 and a trolley 2, the trolley 2 is slidingly connected in the furnace body 1, and the furnace body 1 is fixedly installed with an electric heater 102 on the sidewall of both ends, the trolley 2 includes a closed door 201 and a carrier plate 202, the upper end of the carrier plate 202 is fixedly installed with a carrying frame 203, the carrying frame 203 is connected with a bearing net plate 204 through a clamping groove, the furnace body 1 is fixedly connected with an air circulation assembly 3, the air circulation assembly 3 is built-in with an air filter plate 304, and the sidewall of the closed door 201 towards the furnace body 1 is movably installed with an air guide assembly 4.

[0025] The embodiment of the present application provides an environmental protection type metal workpiece heat treatment furnace which is provided with an air circulation device and can perform harmful gas removal treatment, solves the problem that high-temperature air in the furnace body of the heat treatment furnace in the prior art cannot flow in a circulating manner, when the space in the furnace is large, the heat treatment effect provided for the workpiece is not uniform and efficient, during the heat treatment operation, harmful gas is easily generated from the metal workpiece, the heat treatment furnace usually lacks gas treatment measures, and the harmful gas is easily diffused in the ambient air to affect the health of workers, and the overall idea for solving the above problems is that the electric heater 102 can heat the air in the furnace body 1, so that the heat treatment operation for the metal workpiece is provided, the air circulation assembly 3 is used for circulating and draining the hot air in the furnace body 1, so that the flowing high-temperature air flow is formed, the furnace body 1 can provide more uniform and efficient heat treatment effect for the metal workpiece, meanwhile, the air filter plate 304 can remove and filter the harmful gas generated from the metal workpiece during the heat treatment process, so that the harmful gas is prevented from diffusing in the surrounding working environment, and the health of the surrounding workers is prevented from being affected, and the air guide assembly 4 can flexibly guide the circulating high-temperature air, so that the controllable heat treatment intensity adjustment of the metal workpiece at different levels is realized, and the use effect of the heat treatment furnace is ensured.

[0026] As shown in Figure 3 and Figure 4 , the air circulation assembly 3 comprises an air inlet end 301 fixedly connected to one end side wall of the furnace body 1, an air outlet end 302 fixedly connected to one side of the upper end of the furnace body 1 and a pipeline 303 for connecting the air inlet end 301 and the air outlet end 302, and further comprises a fan 305 fixedly installed in the air outlet end 302.

[0027] As an implementation manner, the fan 305 can blow the air in the air outlet end 302 to the furnace body 1 adjacent to the closed door 201, and the air at the air inlet end 301 is extracted by the pipeline 303 by using the negative pressure effect, so that the high-temperature air flow is formed to flow in the furnace body 1 in a circulating manner, and therefore the more uniform and efficient heat treatment effect can be provided for the metal workpiece.

[0028] As shown in Figure 4 and Figure 6 , the air filter plate 304 is detachably installed in the air inlet end 301, and the air filter plate 304 has a plurality of air filter plates.

[0029] As an implementation manner, the air filter plate 304 is an activated carbon filter plate, can remove and filter the harmful gas generated from the metal workpiece due to high-temperature heat treatment, and avoids the harmful gas from diffusing outside the furnace body 1 to affect the surrounding working environment.

[0030] As shown in Figures 4-6As shown, the air guide assembly 4 comprises a connecting frame 401 movably connected to the side wall of the closing door 201, and a guide plate 402 detachably mounted on one side wall of the furnace body 1 towards the connecting frame 401, and the air guide angle of the guide plate 402 can be replaced and adjusted.

[0031] As an embodiment, the guide plate 402 can be replaced by disassembly to change the air guide angle, so as to realize the air guide effect in different directions, and effectively improve the use flexibility and application effect of the air guide assembly 4.

[0032] As shown, Figures 4-6 The connecting frame 401 is fixedly installed with a sliding block 403 adjacent to one side wall of the closing door 201, and the corresponding part of the closing door 201 and the sliding block 403 is provided with an electric sliding rail 404, and the sliding block 403 is slidably connected in the electric sliding rail 404.

[0033] As an embodiment, the electric sliding rail 404 can drive the connecting frame 401 and the guide plate 402 to displace in height through the sliding block 403, so that the air guide range of the guide plate 402 can be artificially controlled and adjusted, and the reciprocating lifting movement can also be carried out according to the set speed, so that the metal workpieces on the bearing mesh plate 204 in different levels can be subjected to more uniform high-temperature airflow scouring, and the uniform and efficient heat treatment effect is further improved.

[0034] As shown, Figure 4 The furnace body 1 is formed with a sliding table 101 on both sides of the bottom end, and the lower end of the bearing plate 202 is formed with a sliding seat 205 corresponding to the sliding table 101, and the sliding seat 205 is slidably connected in the sliding table 101.

[0035] As an embodiment, the sliding seat 205 can smoothly slide and displace along the sliding table 101, so that the trolley 2 can be smoothly separated or combined with the furnace body 1, which is helpful for the operator to control and manage the heat treatment furnace.

[0036] As shown, Figures 2-4 The bearing mesh plate 204 has a plurality of bearing mesh plates 204, and the installation spacing of the bearing mesh plate 204 can be adjusted.

[0037] As an embodiment, the different spacing of the bearing mesh plate 204 can be suitable for metal workpieces of different sizes or different heat treatment processing requirements, so as to improve the use range and flexibility of the heat treatment furnace.

[0038] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "vertical", "horizontal", "top", "bottom", "lateral", "medial", "superior", "inferior", "proximal", "distal" and derivatives thereof shall relate to the application as it is shown in the drawings and as they are used herein. However, it is to be understood that the application can assume various alternative orientations and, accordingly, such terms are not to be taken as limiting unless otherwise understood from the context that follows. All patent and literature references recited herein are hereby incorporated by reference in their entirety.

[0039] It has to be noted that, as used herein, the terms "first", "second", etc. merely denote different categories and do not require or imply any particular order or sequence unless otherwise indicated by the context. Unless otherwise indicated herein, like terms are to be understood to refer to both the singular and plural and to both the active and passive forms thereof. The following description is provided in relation to exemplary embodiments of the application. However, the application is not limited to the embodiments described herein and can be practised in other ways.

[0040] The above description of disclosed embodiments provides enabling concepts for practicing the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An environmentally friendly heat treatment furnace for metal workpieces, comprising a furnace body (1) and a trolley (2), wherein the trolley (2) is slidably connected to the furnace body (1), and electric heaters (102) are fixedly installed on both end side walls of the furnace body (1). The trolley (2) includes a closed door (201) and a carrier plate (202), wherein a mounting frame (203) is fixedly installed on the upper end of the carrier plate (202), and a bearing mesh plate (204) is connected to the mounting frame (203) via a slot. The furnace body is characterized in that: An air circulation assembly (3) is fixedly connected to the furnace body (1). The air circulation assembly (3) has an air filter plate (304) built in it. An air guide assembly (4) is movably installed on the side wall of the closed door (201) facing the furnace body (1).

2. The environmentally friendly heat treatment furnace for metal workpieces according to claim 1, characterized in that: The air circulation assembly (3) includes an air inlet (301) fixedly connected to one side wall of the furnace body (1), an exhaust end (302) fixedly connected to one side of the upper end of the furnace body (1), and a pipe (303) for connecting the air inlet (301) and the exhaust end (302).

3. The environmentally friendly heat treatment furnace for metal workpieces according to claim 2, characterized in that: The air circulation assembly (3) also includes a fan (305) fixedly installed in the exhaust end (302).

4. The environmentally friendly heat treatment furnace for metal workpieces according to claim 3, characterized in that: The air filter plate (304) is detachably installed on the air intake end (301), and there are multiple air filter plates (304).

5. The environmentally friendly heat treatment furnace for metal workpieces according to claim 1, characterized in that: The air guide assembly (4) includes a connecting frame (401) movably connected to the side wall of the closed door (201). An air guide plate (402) is detachably installed on the side wall of the connecting frame (401) facing the furnace body (1). The air guide angle of the air guide plate (402) can be replaced and adjusted.

6. The environmentally friendly heat treatment furnace for metal workpieces according to claim 5, characterized in that: A slider (403) is fixedly installed on one side wall of the connecting frame (401) adjacent to the closed door (201). An electric slide rail (404) is provided at the corresponding position of the closed door (201) and the slider (403). The slider (403) is slidably connected within the electric slide rail (404).

7. The environmentally friendly heat treatment furnace for metal workpieces according to claim 1, characterized in that: The furnace body (1) has slides (101) formed on both sides of the bottom end. The lower end of the carrier plate (202) is formed with a slide seat (205) corresponding to the slide (101). The slide seat (205) is slidably connected to the slide (101).

8. The environmentally friendly heat treatment furnace for metal workpieces according to claim 1, characterized in that: There are multiple supporting mesh plates (204), and the installation spacing of the supporting mesh plates (204) can be adjusted.

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