阅读说明：本技术 一种热处理加热炉 (Heat treatment heating furnace ) 是由 张小富 于 2020-07-23 设计创作，主要内容包括：本发明公开了一种热处理加热炉,包括底座,所述底座的顶面固定有主炉体,主炉体的后壁板的内侧壁、主炉体的顶板的底面、主炉体的底板的顶面均固定有隔热保温层；所述主炉体的左右两个侧板的内侧壁上固定有保温板,保温板中安装有多个电加热丝；所述主炉体的顶板的顶面中部固定有上旋转电机。本发明可以将放料架旋转,保证其上的热处理物料可以进行旋转进行均匀加热,同时,其放料架可以直接固定在上连接板和下连接板上,从而可以保证其旋转时不会沿着上连接板和下连接板进行滑动,保证其正常旋转运行,其盖板可以保证排气管在没排气时,防止外界杂物进入主炉体中。(The invention discloses a heat treatment heating furnace, which comprises a base, wherein a main furnace body is fixed on the top surface of the base, and a heat insulation layer is fixed on the inner side wall of a rear wall plate of the main furnace body, the bottom surface of a top plate of the main furnace body and the top surface of a bottom plate of the main furnace body; the inner side walls of the left side plate and the right side plate of the main furnace body are fixedly provided with heat insulation plates, and a plurality of electric heating wires are arranged in the heat insulation plates; an upper rotating motor is fixed in the middle of the top surface of the top plate of the main furnace body. The rotary heating furnace can rotate the material placing frame to ensure that heat treatment materials on the material placing frame can rotate to be uniformly heated, and meanwhile, the material placing frame can be directly fixed on the upper connecting plate and the lower connecting plate, so that the material placing frame can be ensured not to slide along the upper connecting plate and the lower connecting plate when rotating, the normal rotary operation of the material placing frame can be ensured, and the cover plate can ensure that external sundries can be prevented from entering the main furnace body when the exhaust pipe does not exhaust.)

1. A heat treatment heating furnace comprises a base (10), and is characterized in that: a main furnace body (20) is fixed on the top surface of the base (10), and a heat insulation layer (21) is fixed on the inner side wall of the rear wall plate of the main furnace body (20), the bottom surface of the top plate of the main furnace body (20) and the top surface of the bottom plate of the main furnace body (20);

an insulation board (22) is fixed on the inner side walls of the left side plate and the right side plate of the main furnace body (20), and a plurality of electric heating wires (23) are installed in the insulation board (22);

an upper rotating motor (24) is fixed in the middle of the top surface of the top plate of the main furnace body (20), an output shaft of the upper rotating motor (24) penetrates through the bottom surface of the top plate of the main furnace body (20) and is inserted and sleeved in a middle through hole of the upper heat insulation layer (21), an upper connecting plate (25) is fixed at the bottom end of the output shaft of the upper rotating motor (24), and the upper connecting plate (25) is located below the upper heat insulation layer (21);

a lower rotating motor (26) is fixed in the middle of the bottom surface of the bottom plate of the main furnace body (20), an output shaft of the lower rotating motor (26) penetrates through the top surface of the bottom plate of the main furnace body (20) and is inserted and sleeved in a middle through hole of the lower heat-insulating layer (21), a lower connecting plate (27) is fixed at the top end of the output shaft of the lower rotating motor (26), and the lower connecting plate (27) is positioned above the lower heat-insulating layer (21);

and a material placing frame (28) is arranged between the upper connecting plate (25) and the lower connecting plate (27).

2. A heat treatment furnace according to claim 1, wherein: guide groove bodies (29) are fixed to the left side and the right side of the bottom face of the upper connecting plate (25) and the left side and the right side of the top face of the lower connecting plate (27), and the left side and the right side of the top plate and the right side of the bottom plate of the material placing frame (28) are inserted into guide grooves (291) formed in the inner side walls of the corresponding guide groove bodies (29).

3. A heat treatment furnace according to claim 2, wherein: the rear end of guide way body (29) all forms back spacing board portion (292), the middle part shaping of back spacing board portion (292) has vertical microscler logical groove (293), the left part and the right part of the back wall of upper junction plate (25) and lower connecting plate (27) all are fixed with kink (1), the horizontal portion plug bush of kink (1) is in vertical microscler logical groove (293), the portion of bending (2) of bending downwards that the rear end shaping of kink (1) had, the portion of bending (2) is close to the back wall of corresponding back spacing board (292).

4. A heat treatment furnace according to claim 1, wherein: the wall surface of the heat insulation plate (22) is fixed with a heat conduction plate (221), and horizontal bending edges formed at the upper part and the lower part of the heat conduction plate (221) are fixed on the bottom surface of the top plate and the top surface of the bottom plate of the main furnace body (20).

5. A heat treatment furnace according to claim 1, wherein: the front wall surface of the top plate of the main furnace body (20) is hinged with a front cover plate (30) through a hinge, and the front cover plate (30) is pressed on the front wall surfaces of the top plate, the bottom plate, the left side plate and the right side plate of the main furnace body (20) and covers the feed inlet of the main furnace body (20).

6. A heat treatment furnace according to claim 5, wherein: an insulating layer (31) is fixed on the rear wall surface of the front cover plate (30), and the rear wall surface of the insulating layer (31) is pressed against the front wall surfaces of the top plate, the bottom plate, the left side plate and the right side plate of the main furnace body (20).

7. A heat treatment furnace according to claim 5, wherein: the bottom surface of the front cover plate (30) is fixed with a lower connecting block (32), the bottom surface of the front part of the bottom plate of the main furnace body (20) is fixed with a rear connecting block (33), the rod part of a fixing bolt (34) is inserted in the lower connecting block (32) and is screwed on the rear connecting block (33), and the head part of the fixing bolt (34) is pressed against the front wall surface of the lower connecting block (32).

8. A heat treatment furnace according to claim 1, wherein: the rear part of the top plate of the main furnace body (20) is formed with an exhaust through hole (201), the exhaust through hole (201) is communicated with the inner cavity of the main furnace body (20), the top surface of the rear part of the top plate of the main furnace body (20) is fixed with an exhaust pipe (35), and the exhaust pipe (35) is communicated with the exhaust through hole (201).

9. A heat treatment furnace according to claim 8, wherein: the top end of the exhaust pipe (35) is hinged with a cover plate (36) through a hinge, and the cover plate (36) covers the top surface of the exhaust pipe (35).

10. A heat treatment furnace according to claim 9, wherein: the upper side wall of the exhaust pipe (35) is fixed with a limiting frame (37), the top of the limiting frame (37) is fixed with a transverse limiting part, the bottom surface of the transverse limiting part is fixed with a return spring (38), and the bottom end of the return spring (38) is fixed on the top surface of one side, close to the hinge, of the cover plate (36).

Technical Field

The invention relates to the technical field of heat exchanger equipment, in particular to a heat treatment heating furnace.

Background

The heat treatment furnace is a general term for industrial furnaces for performing various heat treatments of metals on metal workpieces, and various types of heating furnaces can be used as the heat treatment furnace.

However, in the existing box-type heat treatment furnace, the material placing frame or the material placing plate inside the furnace is generally fixed in position, the heating object placed on the material placing frame is fixed, and the heating degree of the heating part in the furnace is not uniform, so that the heat treatment of the material inside the furnace is not uniform, and the heat treatment effect is affected.

Meanwhile, the existing box-type treatment furnace is generally provided with an exhaust port to prevent the internal pressure from increasing, and the exhaust port is not provided with a protective cover and other devices, so that external articles can easily enter the furnace, and potential safety hazards are caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a heat treatment heating furnace, which can rotate a material placing frame to ensure that heat treatment materials on the material placing frame can rotate to be uniformly heated, and meanwhile, the material placing frame can be directly fixed on an upper connecting plate and a lower connecting plate, so that the material placing frame can be ensured not to slide along the upper connecting plate and the lower connecting plate when rotating, and the material placing frame can be ensured to be right

The cover plate can ensure that the exhaust pipe can prevent external impurities from entering the main furnace body when the exhaust pipe does not exhaust.

The scheme for solving the technical problems is as follows:

a heat treatment heating furnace comprises a base, wherein a main furnace body is fixed on the top surface of the base, and a heat insulation layer is fixed on the inner side wall of a rear wall plate of the main furnace body, the bottom surface of a top plate of the main furnace body and the top surface of a bottom plate of the main furnace body;

the inner side walls of the left side plate and the right side plate of the main furnace body are fixedly provided with heat insulation plates, and a plurality of electric heating wires are arranged in the heat insulation plates;

an upper rotating motor is fixed in the middle of the top surface of the top plate of the main furnace body, an output shaft of the upper rotating motor penetrates through the bottom surface of the top plate of the main furnace body and is inserted and sleeved in a middle through hole of the upper heat insulation layer, an upper connecting plate is fixed at the bottom end of the output shaft of the upper rotating motor, and the upper connecting plate is located below the upper heat insulation layer;

a lower rotating motor is fixed in the middle of the bottom surface of the bottom plate of the main furnace body, an output shaft of the lower rotating motor penetrates through the top surface of the bottom plate of the main furnace body and is inserted and sleeved in a middle through hole of the lower heat insulation layer, a lower connecting plate is fixed at the top end of the output shaft of the lower rotating motor, and the lower connecting plate is positioned above the lower heat insulation layer;

and a material placing frame is arranged between the upper connecting plate and the lower connecting plate.

The left and right sides of the bottom surface of the upper connecting plate and the left and right sides of the top surface of the lower connecting plate are respectively fixed with a guide groove body, and the left and right edges of the top plate and the bottom plate of the material placing frame are inserted and sleeved in the guide grooves arranged on the inner side walls of the corresponding guide groove bodies.

The rear end of the guide groove body is formed with a rear limiting plate part, and the middle part of the rear limiting plate part is formed

The type has vertical microscler logical groove, and the left part and the right part of the back wall of upper junction plate and lower connecting plate all are fixed with the kink, and the horizontal portion plug bush of kink is in vertical microscler logical groove, and the back end shaping of kink has the portion of bending downwards, and the portion of bending is close to the back wall of the spacing board in back that corresponds.

The heat-insulating plate is characterized in that heat-conducting plates are fixed on the wall surfaces of the heat-insulating plates, and horizontal bending edges formed on the upper portion and the lower portion of each heat-conducting plate are fixed on the bottom surface of a top plate and the top surface of a bottom plate of the main furnace body.

The front wall surface of the top plate of the main furnace body is hinged with a front cover plate through a hinge, and the front cover plate is pressed on the front wall surfaces of the top plate, the bottom plate, the left side plate and the right side plate of the main furnace body and covers the feed inlet of the main furnace body.

And the rear wall surface of the heat-insulating layer is pressed against the front wall surfaces of the top plate, the bottom plate, the left side plate and the right side plate of the main furnace body.

The bottom surface of the front cover plate is fixed with a lower connecting block, the bottom surface of the front part of the bottom plate of the main furnace body is fixed with a rear connecting block, a rod part of a fixing bolt is inserted in the lower connecting block and is in threaded connection with the rear connecting block, and the head of the fixing bolt is pressed against the front wall surface of the lower connecting block.

An exhaust through hole is formed in the rear portion of the top plate of the main furnace body and communicated with the inner cavity of the main furnace body, and an exhaust pipe is fixed on the top surface of the rear portion of the top plate of the main furnace body and communicated with the exhaust through hole.

The top of blast pipe articulates through the hinge has the apron, and the apron lid closes the top surface at the blast pipe.

A limiting frame is fixed on the side wall of the upper portion of the exhaust pipe, a transverse limiting portion is fixed at the top of the limiting frame, a reset spring is fixed on the bottom surface of the transverse limiting portion, and the bottom end of the reset spring is fixed on the top surface of one side, close to the hinge, of the cover plate.

The invention has the following outstanding effects: compared with the prior art, it can rotate the blowing frame, guarantees that the thermal treatment material on it can rotate and carry out the even heating, and simultaneously, its blowing frame can directly be fixed on upper junction plate and lower connecting plate to can guarantee that it can not slide along upper junction plate and lower connecting plate when rotatory, guarantee its normal rotatory operation, its apron can guarantee that the blast pipe when not exhausting, prevents that external debris from getting into in the main furnace body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial sectional view of the main furnace body of the present invention in a side view.

Detailed Description