CN210287439U

CN210287439U - Tempering furnace with good temperature uniformity

Info

Publication number: CN210287439U
Application number: CN201921384785.1U
Authority: CN
Inventors: 陈昊
Original assignee: Xiamen Chengzhi Precision Technology Co Ltd
Current assignee: Xiamen Chengzhi Precision Technology Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-10
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a tempering furnace that temperature uniformity is good, including the furnace body, one side of furnace body is connected with the furnace gate through the hinge rotation, and the heating tank has all been dug to the inside both sides of furnace body, and the equal fixed mounting in inside of heating tank has the heating wire, the equal fixedly connected with inner chamber in bottom of furnace body inner wall, and the both sides equidistance fixedly connected with a plurality of blast pipes that the inner chamber is close to the heating tank, and the blast pipe all runs through the inner chamber, and the top of inner chamber is dug there is the through-hole, the utility model discloses the beneficial effect who: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, through add the blast pipe in the inner chamber both sides of furnace body and increase the suction fan in the both sides at inner chamber top for the inside air current of furnace body evenly discharges through the both sides rethread blast pipe of oven, has thoroughly solved the inside air current of furnace body and the inhomogeneous problem of the inside temperature distribution of furnace body, makes the temperature uniformity of furnace body promote greatly, makes the quality of product obtain the improvement that is showing simultaneously.

Description

Tempering furnace with good temperature uniformity

Technical Field

The utility model relates to a tempering furnace, in particular to tempering furnace that temperature uniformity is good belongs to tempering furnace technical field.

Background

In the prior life, a tempering furnace is used for tempering common metal parts in the air and quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates and the like, a shell is formed by welding steel plates and section steels, a trolley is welded by the section steels and the steel plates, the trolley reduces heat radiation and convection loss through soft contact with a furnace lining and a sand seal mechanism, and effectively ensures the tightness of a furnace body, but the prior tempering furnace mainly improves temperature uniformity through a fan inside the tempering furnace, stirs airflow in the furnace through the fan inside, and ensures that the internal hot airflow is uniformly distributed in the furnace body, and the method has the defects that products with higher temperature uniformity requirements cannot be met, dead corners with larger temperature difference easily exist, such as places close to four corners and corners of the furnace, and the airflow inside the furnace body cannot be fully blown to all corners by the fan simply passing through the top, thereby causing the temperature difference of different positions in the furnace body to be larger and leading the use effect of the product to be obviously reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a tempering furnace that temperature uniformity is good.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tempering furnace with good temperature uniformity, which comprises a furnace body, one side of the furnace body is rotationally connected with a furnace door through a hinge, heating grooves are dug on both sides of the interior of the furnace body, heating wires are fixedly arranged in the heating grooves, an inner cavity is fixedly connected with the bottom of the inner wall of the furnace body, a plurality of exhaust pipes are fixedly connected with the inner cavity close to both sides of the heating grooves at equal intervals, the exhaust pipes all penetrate through the inner cavity, through holes are dug on the top of the inner cavity, a servo motor is fixedly arranged on the top of the furnace body, an output shaft of the servo motor extends to the interior of the furnace body and is fixedly connected with a stirring fan through a speed reducer, a worm wheel is fixedly connected with the outer side of a central shaft of the stirring fan, a worm is rotationally connected with the inner wall of the furnace body and positioned above the stirring fan, the, the top of inner chamber just is located the equal fixedly connected with fixed plate in both sides of through-hole, all rotate between the inner wall of the furnace body that fixed plate and correspond and be connected with the dwang, the equal fixedly connected with pinion of one end that the outside of dwang is close to the fixed plate, the pinion all meshes with the gear wheel and is connected, the equal fixedly connected with suction fan of one end of pinion is kept away from in the outside of dwang.

As an optimized proposal of the utility model, the four corners of the bottom of the furnace body are fixedly connected with supporting legs.

As an optimized proposal of the utility model, one side of the furnace door is fixedly connected with a handle.

As an optimized scheme of the utility model, the equal fixed mounting in the outside of blast pipe has the check valve.

As an optimized scheme of the utility model, the inside fixedly connected with filter screen of through-hole.

As an optimal scheme of the utility model, two the rotation direction of aspiration fan is opposite.

As a preferred scheme of the utility model, one side fixed mounting of furnace body has the control box, just heating wire, servo motor all with control box electric connection.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, through add the blast pipe in the inner chamber both sides of furnace body and increase the suction fan in the both sides at inner chamber top for the inside air current of furnace body evenly discharges through the both sides rethread blast pipe of oven, has thoroughly solved the inside air current of furnace body and the inhomogeneous problem of the inside temperature distribution of furnace body, makes the temperature uniformity of furnace body promote greatly, makes the quality of product obtain the improvement that is showing simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a furnace body; 2. supporting legs; 3. a heating tank; 4. an electric heating wire; 5. an inner cavity; 6. an exhaust pipe; 7. a one-way valve; 8. a through hole; 9. a filter screen; 10. a servo motor; 11. a stirring fan; 12. a worm gear; 13. a worm; 14. a bull gear; 15. a fixing plate; 16. rotating the rod; 17. a pinion gear; 18. an air suction fan; 19. a furnace door; 20. a handle; 21. and a control box.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a tempering furnace with good temperature uniformity, which comprises a furnace body 1, one side of the furnace body 1 is rotatably connected with a furnace door 19 through a hinge, heating grooves 3 are drilled on both sides of the interior of the furnace body 1, and heating wires 4 are fixedly arranged in the interior of the heating grooves 3, so as to provide heat for the interior of the furnace body 1 better; the bottom of the inner wall of the furnace body 1 is fixedly connected with an inner cavity 5, a plurality of exhaust pipes 6 are fixedly connected to the two sides of the inner cavity 5 close to the heating groove 3 at equal intervals, and the exhaust pipes 6 penetrate through the inner cavity 5, so that air flow can be better exhausted; the top of the inner cavity 5 is provided with a through hole 8, the top of the furnace body 1 is fixedly provided with a servo motor 10, an output shaft of the servo motor 10 extends into the furnace body 1 and is fixedly connected with a stirring fan 11 through a speed reducer, so that the air flow in the furnace body 1 can be stirred better; the outer side of the central shaft of the stirring fan 11 is fixedly connected with a worm wheel 12, the inner wall of the furnace body 1 and positioned above the stirring fan 11 are rotatably connected with a worm 13, and the worm 13 is meshed with the worm wheel 12 to be convenient for better power transmission; the equal fixedly connected with gear wheel 14 in the outside at worm 13 both ends, the top of inner chamber 5 just is located the equal fixedly connected with fixed plate 15 in both sides of through-hole 8, all rotate between the inner wall of fixed plate 15 and the furnace body 1 that corresponds and be connected with dwang 16, the equal fixedly connected with pinion 17 of one end that the outside of dwang 16 is close to fixed plate 15, pinion 17 is connected with the equal meshing of gear wheel 14, the equal fixedly connected with suction fan 18 of one end of pinion 17 is kept away from in the outside of dwang 16, be convenient for better blow in the air current in the gap between inner chamber 5 and the furnace body 1.

The four corners of the bottom of the furnace body 1 are fixedly connected with supporting legs 2, so that equipment can be placed better; a handle 20 is fixedly connected to one side of the oven door 19, so that the oven door 19 can be opened better; the outer sides of the exhaust pipes 6 are fixedly provided with one-way valves 7 to prevent airflow at the bottom of the inner cavity 5 from entering a gap between the inner cavity 5 and the furnace body 1 through the exhaust pipes 6; a filter screen 9 is fixedly connected inside the through hole 8, so that impurities and dust are prevented from entering a gap between the inner cavity 5 and the furnace body 1; the rotation directions of the two suction fans 18 are opposite, so that the suction fans 18 are driven by the two groups of large gears 14 and small gears 17 which are meshed with each other to better blow airflow into a gap between the inner cavity 5 and the furnace body 1; one side fixed mounting of furnace body 1 has control box 21, and heating wire 4, servo motor 10 all with control box 21 electric connection, be convenient for better control equipment.

Specifically, the device is placed at a designated position through the supporting leg 2 at the bottom, then the oven door 19 is opened through the handle 20, a workpiece to be processed is placed inside the inner cavity 5, then the oven door 19 is closed, the device is powered on, the electric heating wire 4 is controlled to work through the control box 21, so that the inside of the oven body 1 is heated, meanwhile, the servo motor 10 is controlled to work through the control box 21, the stirring fan 11 is driven to rotate, so that the air flow inside the oven body 1 is stirred, the stirring fan 11 rotates while driving the worm wheel 12 to rotate, the worm wheel 12 drives the worm 13 to rotate, so as to drive the large gear 14 to rotate, because the large gear 14 is meshed with the small gear 17, the large gear 14 drives the small gear 17 to rotate, and further drives the rotating rod 16 to rotate, the rotating rod 16 drives the suction fan 18 to rotate, so that the air flow entering the top of the inner cavity 5 through, then through the inside of blast pipe 6 and check valve 7 reentrant inner chamber 5, thereby accomplish the circulation of air current, the temperature of each corner of equipment inside has been guaranteed and has been kept evenly, the result of use of equipment has been increased, through add the blast pipe in the inner chamber both sides of furnace body and increase the suction fan in the both sides at inner chamber top, make the inside air current of furnace body evenly discharge through the both sides rethread blast pipe of oven, the inside air current of furnace body and the inside inhomogeneous problem of temperature distribution of furnace body have thoroughly been solved, make the temperature uniformity of furnace body promote greatly, make the quality of product obtain the improvement that is showing simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tempering furnace that temperature uniformity is good, includes furnace body (1), its characterized in that, one side of furnace body (1) is connected with furnace gate (19) through the hinge rotation, heating bath (3) have all been dug to the inside both sides of furnace body (1), the equal fixed mounting in inside of heating bath (3) has heating wire (4), the equal fixedly connected with inner chamber (5) in bottom of furnace body (1) inner wall, the equal equidistance fixedly connected with a plurality of blast pipe (6) in both sides that inner chamber (5) are close to heating bath (3), inner chamber (5) all run through in blast pipe (6), through-hole (8) have been dug at the top of inner chamber (5), the top fixed mounting of furnace body (1) has servo motor (10), the output shaft of servo motor (10) extends to the inside of furnace body (1) and through speed reducer fixedly connected with stirring fan (11), a worm wheel (12) is fixedly connected with the outer side of the central shaft of the stirring fan (11), a worm (13) is rotatably connected with the inner wall of the furnace body (1) and positioned above the stirring fan (11), the worm (13) is meshed with the worm wheel (12), the outer sides of the two ends of the worm (13) are fixedly connected with a large gear (14), the top of the inner cavity (5) and two sides of the through hole (8) are fixedly connected with fixing plates (15), a rotating rod (16) is rotatably connected between the fixed plate (15) and the inner wall of the corresponding furnace body (1), one end of the outer side of the rotating rod (16) close to the fixed plate (15) is fixedly connected with a pinion (17), pinion (17) and gear wheel (14) all mesh and are connected, the equal fixedly connected with suction fan (18) of one end that pinion (17) were kept away from in the outside of dwang (16).

2. The tempering furnace with good temperature uniformity as claimed in claim 1, wherein four corners of the bottom of said furnace body (1) are fixedly connected with supporting legs (2).

3. The tempering furnace with good temperature uniformity as claimed in claim 1, wherein a handle (20) is fixedly connected to one side of said furnace door (19).

4. A tempering furnace with good temperature uniformity according to claim 1, characterized in that a one-way valve (7) is fixedly installed on the outer side of each exhaust pipe (6).

5. A tempering furnace with good temperature uniformity according to claim 1, characterized in that a filter screen (9) is fixedly connected inside said through hole (8).

6. A tempering furnace according to claim 1, characterized in that the direction of rotation of said two suction fans (18) is opposite.

7. The tempering furnace with good temperature uniformity as claimed in claim 1, wherein a control box (21) is fixedly installed at one side of the furnace body (1), and the heating wire (4) and the servo motor (10) are electrically connected with the control box (21).