CN218380450U

CN218380450U - Box resistance furnace is used in laboratory

Info

Publication number: CN218380450U
Application number: CN202222215702.4U
Authority: CN
Inventors: 郑勋领; 宋敏; 李爽; 李一帆; 马克; 郭静
Original assignee: Hubei Keaile Testing Technology Co ltd
Current assignee: Hubei Keaile Testing Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-24
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a box-type resistance furnace for laboratory, which comprises a furnace body, a rotating component and a clamping component; a cavity is formed in the furnace body, a plurality of heating rods are circumferentially arranged in the cavity, and the front side of the furnace body is movably connected with a sealing door; the rotating assembly comprises a driving part, a rotating part, a plurality of bearing shells and movable screen plates which correspond to the bearing shells one by one; the driving part is arranged at the upper end of the furnace body, and the output end of the driving part extends into the cavity; the rotating part is rotatably arranged in the cavity and keeps a gap with the heating rod, and the upper end of the rotating part is connected with the driving part; the plurality of bearing shells are circumferentially arranged on the rotating part; the outer wall of the bearing shell is sequentially provided with breathable meshes and limiting holes from top to bottom. The resistance furnace solves the technical problems that when a workpiece is heated, the surface of the sample workpiece is easily heated unevenly, and the heating effect and the quality of a final product are influenced in the prior art.

Description

Box resistance furnace is used in laboratory

Technical Field

The utility model relates to a resistance furnace equipment technical field, concretely relates to is box resistance furnace is used in laboratory.

Background

The box-type resistance furnace is metal hot-working equipment commonly used in the machining industry and is commonly used for carrying out metal heat treatment processes such as annealing, sintering and the like on metal materials; the box-type resistance furnace is a common electric furnace, is divided into a vertical type, a horizontal type, a split type and an integrated type, and is widely applied to production and experiments in the fields of ceramics, metallurgy, electronics, glass, chemical industry, machinery, refractory materials, new material development, special materials, building materials and the like;

the Chinese utility model CN212720779U provides a box type resistance furnace, and the device drives a box body to reciprocate up and down by arranging a driving component, thereby achieving the effect of uniformly heating materials in the box body; however, the device has low working efficiency, only one workpiece can be heated at a time, and due to the fact that the density of hot air is lower than that of air due to the upper-lower heating mode, heat in the furnace body is accumulated above the cavity, and therefore the effect that the workpieces are heated uniformly cannot be achieved;

to this end, we propose a laboratory box-type resistance furnace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a box resistance furnace is used in laboratory, solve the resistance furnace among the prior art, when heating to the work piece, appear sample workpiece surface uneven being heated easily, influenced the technical problem of effect and final product quality of being heated.

In order to achieve the technical purpose, the utility model adopts the following technical proposal:

a box-type resistance furnace for a laboratory comprises a furnace body, a rotating assembly and a clamping assembly;

a cavity is formed in the furnace body, a plurality of heating rods are circumferentially arranged in the cavity, and the front side of the furnace body is movably connected with a sealing door;

the rotating assembly comprises a driving part, a rotating part, a plurality of bearing shells and movable screen plates which correspond to the bearing shells one by one; the driving part is arranged at the upper end of the furnace body, and the output end of the driving part extends into the cavity; the rotating part is rotatably arranged in the cavity and keeps a gap with the heating rod, and the upper end of the rotating part is connected with the driving part; the plurality of bearing shells are circumferentially arranged on the rotating part; a storage cavity is formed in the bearing shell, and the outer wall of the bearing shell is sequentially provided with a ventilating mesh and a limiting hole from top to bottom; the movable screen plate is connected in the bearing shell in a sliding manner and is used for isolating the storage cavity from the outside;

the clamping component is arranged on the movable screen plate and is used for being clamped in the limiting hole.

Preferably, the driving part comprises a motor and a rod body; the motor is installed in the furnace body upper end, the body of rod is installed on the output of motor, the end of the body of rod runs through the furnace body and extends to in the cavity on the rotation portion.

Preferably, the rotating part comprises an upper plate body, a shaft body and a lower plate body; the upper end surface of the upper plate body is connected with the rod body, and the upper plate body is connected with the lower plate body through a shaft body; the upper end face of the lower plate body is circumferentially connected with a plurality of bearing shells.

Preferably, the upper plate body and the lower plate body are circular plate bodies with the same shape.

Preferably, the number of the bearing shells is four; the two sides of the inner wall of the bearing shell are provided with slideways for the movable net plates to slide.

Preferably, a movable cavity for the movable net plate to stretch is formed in the bearing shell.

Preferably, the clamping assembly comprises at least two fixed blocks, a rotating rod and a clamping rod; every equal symmetry is provided with on the activity otter board the fixed block, the dwang rotates to be connected two between the fixed block, the block pole is fixed on the dwang, the block pole is kept away from the one end of dwang be fixed with spacing hole complex stopper.

Preferably, the rotation angle of the engaging rod is at least 135 degrees.

Preferably, the height of the bearing shell is smaller than that of the shaft body.

Preferably, the inner wall of the chamber is bonded with a heat preservation coating.

Compared with the prior art, the beneficial effects of the utility model include:

1. compared with the prior art, the utility model, through set up the heating rod in cavity inner wall circumference, make it heat up to cavity inside fast, and carry out circumferential direction through the whole rotation portion of drive division drive for the drive bears the shell and carries out synchronous rotation, conveniently bears the inside work piece of shell like this, and at the rotation in-process of circumference, the surface can obtain the even heating, thereby guarantees the product quality of follow-up work piece.

Drawings

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

FIG. 2 is a schematic view of the inside of the furnace body of the present invention;

FIG. 3 is a schematic structural view of the rotating assembly of the present invention;

FIG. 4 is a schematic view of the interior of the load-bearing housing of the present invention;

fig. 5 is a schematic view of the internal structure of the furnace body of the present invention.

In the figure: 1. a furnace body; 11. a chamber; 12. a heating rod; 13. a sealing door; 2. a rotating assembly; 21. a drive section; 211. a motor; 212. a rod body; 22. a rotating part; 221. an upper plate body; 222. a shaft body; 223. a lower plate body; 23. a load-bearing housing; 231. a storage chamber; 232. ventilating meshes; 233. a limiting hole; 24. a movable screen plate; 3. clamping the assembly; 31. a fixed block; 32. rotating the rod; 33. and (5) clamping the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a box resistance furnace is used in laboratory, including furnace body 1, runner assembly 2 and block subassembly 3.

A cavity 11 is arranged in the furnace body 1, a plurality of heating rods 12 are arranged in the cavity 11 in the circumferential direction, and a sealing door 13 is movably connected to the front surface of the furnace body 1.

The rotating assembly 2 comprises a driving part 21, a rotating part 22, a plurality of bearing shells 23 and movable mesh plates 24 which are in one-to-one correspondence with the bearing shells 23; the driving part 21 is arranged at the upper end of the furnace body 1, and the output end extends into the cavity 11; the rotating part 22 is rotatably arranged in the chamber 11 and keeps a gap with the heating rod 12, and the upper end of the rotating part 22 is connected with a driving part 21; a plurality of bearing shells 23 are circumferentially arranged on the rotating part 22; a storage cavity 231 is formed in the bearing shell 23, and the outer wall of the bearing shell 23 is sequentially provided with a breathable mesh 232 and a limiting hole 233 from top to bottom; a movable mesh plate 24 is slidably coupled within the carrying case 23 for isolating the storage chamber 231 from the outside.

The engaging member 3 is disposed on the movable screen 24 and is engaged with the limiting hole 233.

When the device is used, the movable screen 24 is pulled to move upwards in the bearing shell 23 through the clamping component 3, one end of the clamping component 3 is clamped into the limiting hole 233, the limitation of the whole movable screen 24 is completed, the movable screen can not slide downwards, the storage cavity 231 is communicated with the outside at the moment, a workpiece to be processed is placed in the storage cavity 231 by a worker, after the workpiece is placed, the clamping component 3 is turned over again to enable the movable screen to be far away from the limiting hole 233, the movable screen 24 moves downwards under the action of gravity, and the storage cavity 231 is isolated from the outside, due to the fact that the breathable meshes 232 are formed in the bearing shell 23, circulation of hot air is facilitated, a plurality of breathable through holes are formed in the movable screen 24, the movable screen is enabled to be stored inside the cavity 231, heat can enter normally and is used for heating the workpiece, in the heating process, the driving portion 21 drives the rotating portion 22 to perform circular motion in the cavity 11, the surface of the workpiece is enabled to be heated more uniformly, and the quality of the workpiece in the later stage is guaranteed.

To improve the driving efficiency of the driving portion 21, referring to fig. 1 and 5, in a preferred embodiment, the driving portion 21 includes a motor 211 and a rod 212; the motor 211 is installed on the upper end of the furnace body 1, the rod 212 is installed on the output end of the motor 211, and the end of the rod 212 penetrates through the furnace body 1 and extends to the rotating part 22 in the chamber 11.

The motor 211 drives the rod 212 to rotate, and the rod 212 drives the rotating part 22 to rotate, so that the bearing shell 23 also performs circular motion, and workpieces in the shell can be heated more uniformly.

In order to improve the working efficiency of the rotating part 22, referring to fig. 3, in a preferred embodiment, the rotating part 22 includes an upper plate 221, a shaft body 222 and a lower plate 223; the upper end surface of the upper plate 221 is connected with a rod body 212, and the upper plate 221 and the lower plate 223 are connected through a shaft body 222; the upper end surface of the lower plate body 223 is circumferentially connected with a plurality of bearing shells 23, and the upper plate body 221 and the lower plate body 223 are circular plate bodies with the same shape.

Through setting up upper plate body 221 and lower plate body 223 to circular plate body, conveniently set up a plurality of shells 23 that bear on lower plate body 223, and set up the axis body 222, then can be connected between upper plate body 221 and the lower plate body 223, and constitute an worker's shape structure, when being used for fixed shell 23 that bears, when motor 211 drive body of rod 212 rotates, body of rod 212 drives upper plate body 221 and rotates, thereby take whole worker's shape structure to rotate, and the interior bottom surface of lower plate body 223 and cavity 11 still is provided with the support body of rod 212, be used for supporting down plate body 223 and rotate inside cavity 11.

In order to improve the carrying effect of the carrying shells 23 on the workpiece, please refer to fig. 3-5, in a preferred embodiment, the number of the carrying shells 23 is four; the two sides of the inner wall of the bearing shell 23 are both provided with slideways for the movable screen 24 to slide, the bearing shell 23 is internally provided with a movable cavity for the movable screen 24 to stretch, and the clamping component 3 comprises at least two fixed blocks 31, a rotating rod 32 and a clamping rod 33; all the symmetry is provided with fixed block 31 on every activity otter board 24, and dwang 32 rotates to be connected between two fixed blocks 31, and block pole 33 is fixed on dwang 32, and the one end that dwang 32 was kept away from to block pole 33 is fixed with the stopper with spacing hole 233 complex, and the turned angle of block pole 33 is 135 degrees at least, bears the height that the shell 23 is less than the axis body 222, and the inner wall of cavity 11 bonds and has the heat preservation coating.

The bearing shell 23 is internally provided with a storage cavity 231 for storing workpieces, the bearing shell 23 is further provided with a movable screen 24 for isolating the storage cavity 231 from the outside, the movable screen 24 is provided with air holes, the bearing shell 23 is provided with air holes 232, heat can conveniently enter the bearing shell 23, the bearing shell 23 is further internally provided with a movable cavity for the movable screen 24 to move up and down, the workpieces can be conveniently placed in the storage cavity 231 of the bearing shell 23, the movable screen 24 is provided with a clamping rod 33 capable of being turned over through the matching of a fixing block 31 and a rotating rod 32, a limiting block on the clamping rod 33 is clamped into the limiting hole 233, the movable screen 24 can be limited at a certain height, the storage cavity 231 is opened, the workpieces can be conveniently placed in the storage cavity 231, the clamping rod 33 is subsequently pulled off, the limiting block is far away from the limiting hole 233, and the screen moves downwards under the self gravity of the movable screen 24, and the storage cavity 231 is isolated from the outside.

For better understanding of the present invention, the working process of the box-type resistance furnace for laboratory of the present invention is described in detail below with reference to fig. 1 to 5: when the oven is used, a user clamps the sealing door 13, pulls the clamping rod 33 upwards to drive the movable screen 24 to move upwards, and inserts the limit block on the clamping rod 33 into the limit hole 233 to limit the movable screen 24, the user places workpieces to be processed into the storage cavity 231 in the bearing shell 23 in sequence, after the placement is finished, the clamping rod 33 is turned over again to enable the limit block to be away from the limit hole 233, the movable screen 24 moves downwards under the action of the gravity of the movable screen 24 to isolate the storage cavity 231 from the outside, the sealing door 13 is closed, the motor 211 and the heating rod 12 are started, the heating rod 12 continuously heats and is used for increasing the temperature inside the cavity 11, the motor 211 drives the rod body 212 to rotate, the rod body 212 drives the whole rotating part 22 to rotate, the bearing shell 23 is fixed on the lower plate body 223, when the whole rotating part 22 rotates, the bearing shell 23 is synchronously driven to perform circular motion, the bearing shell 23 is provided with the ventilating shell 23, the bearing shell 24 is provided with the ventilating holes, the heat can enter the shell 23 and the workpieces can be heated, and the quality of the workpieces can be ensured to be uniform in the final heating effect of the oven body 1.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a box resistance furnace is used in laboratory which characterized in that: comprises a furnace body, a rotating component and a clamping component;

2. The laboratory box-type resistance furnace as claimed in claim 1, wherein: the driving part comprises a motor and a rod body; the motor is installed in the furnace body upper end, the body of rod is installed on the output of motor, the end of the body of rod runs through the furnace body and extends to in the cavity on the rotation portion.

3. The laboratory box-type resistance furnace as claimed in claim 2, wherein: the rotating part comprises an upper plate body, a shaft body and a lower plate body; the upper end surface of the upper plate body is connected with the rod body, and the upper plate body is connected with the lower plate body through a shaft body; the upper end face of the lower plate body is circumferentially connected with a plurality of bearing shells.

4. The laboratory box-type resistance furnace as claimed in claim 3, wherein: the upper plate body and the lower plate body are circular plate bodies with the same shape.

5. The laboratory box-type resistance furnace as claimed in claim 1, wherein: the number of the bearing shells is four; the two sides of the inner wall of the bearing shell are provided with slideways for the movable net plates to slide.

6. The laboratory box-type resistance furnace as claimed in claim 1, wherein: a movable cavity for the movable screen plate to stretch is formed in the bearing shell.

7. The laboratory box-type resistance furnace as claimed in claim 1, wherein: the clamping assembly comprises at least two fixed blocks, a rotating rod and a clamping rod; every equal symmetry is provided with on the activity otter board the fixed block, the dwang rotates to be connected two between the fixed block, the block pole is fixed on the dwang, the block pole is kept away from the one end of dwang be fixed with spacing hole complex stopper.

8. The laboratory box-type resistance furnace as claimed in claim 7, wherein: the rotation angle of the clamping rod is at least 135 degrees.

9. The laboratory box-type resistance furnace as claimed in claim 3, wherein: the height of the bearing shell is smaller than that of the shaft body.

10. The laboratory box-type resistance furnace as claimed in claim 1, wherein: and the inner wall of the cavity is bonded with a heat-insulating coating.