CN216790822U

CN216790822U - Cascaded firing equipment of continuity spiral

Info

Publication number: CN216790822U
Application number: CN202121535326.6U
Authority: CN
Inventors: 张延波; 孔亚平; 徐士明
Original assignee: NANJING CHANGJIANG INDUSTRIAL FURNACE TECHNOLOGY CO LTD
Current assignee: NANJING CHANGJIANG INDUSTRIAL FURNACE TECHNOLOGY CO LTD
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-06-21
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses continuous spiral stepped heating equipment which comprises a furnace body, wherein a feeding roller way for feeding a wheel hub into the furnace is horizontally arranged at the top of the furnace body, a spiral roller way for receiving the wheel hub from the feeding roller way and spirally conveying the wheel hub to the bottom of the furnace body is arranged on the furnace body, and a discharging roller way for receiving the wheel hub from the spiral roller way and conveying the wheel hub out of the furnace is horizontally arranged at the bottom of the furnace body. The continuous spiral stepped heating equipment has the advantages that the hub can be stably and continuously upwards transferred by the aid of the feeding lifting mechanism, the feeding and discharging doors are reduced, furnace temperature fluctuation caused by opening the doors is avoided, workpieces are uniformly fed into the furnace, the temperature fluctuation is reduced, the control effect is improved, the workpieces can be uniformly heated integrally, and the improvement of heat treatment quality of the workpieces is facilitated.

Description

Cascaded firing equipment of continuity spiral

Technical Field

The utility model relates to the technical field of heat treatment devices, in particular to continuous spiral stepped heating equipment.

Background

At present, the great automobile-used wheel hub manufacturing enterprise of domestic generally adopts the heating furnace of the multi-layer multi-door to heat wheel hub, and the frequency and the beat that the work piece passed in and out from the door are single, can't satisfy user's multiple technology demand to, because the feeding and discharging door is more, easily lead to the heat to scatter and disappear, the interior temperature fluctuation of stove influences the homogeneity of work piece heating then, in addition, the heating furnace of traditional multi-layer multi-door structure still has the structure complicacy, and occupation of land is great, problem that the transport speed is inhomogeneous.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide continuous spiral stepped heating equipment to solve the problems that in the background technology, a plurality of feeding and discharging doors easily cause heat loss and temperature fluctuation in a furnace, and further influence the uniformity of workpiece heating.

In order to achieve the purpose, the utility model provides the following technical scheme: a continuous spiral stepped heating device comprises a furnace body, wherein a feeding roller way for feeding a wheel hub into the furnace is horizontally arranged at the top of the furnace body, a spiral roller way for receiving the wheel hub from the feeding roller way and spirally conveying the wheel hub to the bottom of the furnace body is arranged on the furnace body, and a discharging roller way for receiving the wheel hub from the spiral roller way and conveying the wheel hub out of the furnace is horizontally arranged at the bottom of the furnace body.

Preferably, the spiral roller way comprises a plurality of rollers which are spirally and uniformly arranged along the circumferential surface of the furnace body, the sectional area of a part of any roller which extends into the furnace body is gradually reduced from outside to inside, the transmission part of any roller which is positioned outside the furnace body is fixed on the outer wall surface of the furnace body through a bearing seat and a support connecting piece, and the rollers are driven through a chain.

Preferably, the part of the cone angle of any roller rod extending into the furnace body is 2-4 degrees.

Preferably, the device further comprises a feeding lifting mechanism for lifting and conveying the hub to the feeding roller way.

Preferably, the material loading and lifting mechanism comprises: the shell is arranged on one side of the furnace body; the stepping motor is fixedly arranged on the rear side of the bottom end of the inner cavity of the shell; the front end and the rear end of the upper side and the lower side of the inner cavity of the shell are both rotatably provided with a first rotating shaft along the left-right direction through bearings, and one end of one first rotating shaft is locked by the output end of the stepping motor through a coupler; the belt pulley is fixedly arranged on the outer wall of the first rotating shaft; the belt is in matched sleeve joint with the two belt pulleys on one side; the outer wall of the belt is fixedly provided with a plurality of supporting plates along the circumferential direction.

Preferably, the feeding and lifting mechanism further comprises: the second rotating shaft is rotatably arranged at the bottom end of one side of the inner cavity of the shell through a bearing; the chain wheels are connected with the outer walls of the first rotating shaft and the second rotating shaft at the rear side in a key mode; the second chain is connected with the two chain wheels; the gear is located the front side the first pivot with the equal key-type connection of outer wall of second pivot has the gear, and two the gear meshes mutually.

Preferably, the feeding rail comprises: the bar-shaped shell is arranged at the top end of the furnace body; the conveying roller is arranged at the top end of the strip-shaped shell, and the hub is positioned on the conveying roller; the swinging rod is rotatably arranged in the inner cavity of the strip-shaped shell; the connecting column is fixedly arranged at the top end of the swinging rod; and one end of the hydraulic rod is rotatably connected with the top end of the inner cavity of the strip-shaped shell through a pin shaft, and the other end of the hydraulic rod is rotatably connected with one side of the connecting column.

Preferably, the feeding rail further comprises: the number of the limiting blocks is two, and the two limiting blocks are fixedly arranged in the inner cavity of the strip-shaped shell; the baffle plates are in adaptive insertion connection with the top ends of the limiting blocks along the vertical direction, and the wheel hub is positioned between the two baffle plates; the U-shaped connecting block is fixedly arranged at the top end of the baffle; insert the post, the bar hole has all been seted up to the left and right sides of swinging arms, the inboard fixed post of inserting that is provided with of U-shaped connecting block, just insert the post with the inner chamber looks adaptation in bar hole is pegged graft.

Preferably, the automatic discharging device further comprises a discharging robot used for discharging the wheel hub on the discharging roller way and transferring the wheel hub to the next working procedure.

The utility model provides continuous spiral stepped heating equipment, which has the beneficial effects that:

1. the feeding lifting mechanism is arranged, so that the hubs can be stably and continuously transferred upwards, the feeding and discharging doors are reduced, furnace temperature fluctuation caused by opening the doors is avoided, workpieces are uniformly fed into the furnace, the temperature fluctuation is reduced, the control effect is improved, the workpieces can be integrally and uniformly heated, the heat treatment quality of the workpieces is improved, and the hubs can be blocked by the feeding rail, so that the hub transportation speed can be controlled, and the integral transportation of the hubs is more uniform;

2. all products are processed in the same channel, the performance consistency is better, the materials are discharged from the designated position individually, the action difficulty of the robot is simplified, a fork does not need to enter the furnace, the space of the furnace body is saved more effectively, the occupied area is minimum and the material cost is minimum under the condition of achieving the same mark, so the product quality and the competitiveness in the hub industry are improved, multiple purposes are achieved, and the effect of getting half the result is achieved.

Drawings

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

FIG. 2 is an enlarged view of a portion of the spiral roller bed of the present invention;

FIG. 3 is a top view of FIG. 1 in accordance with the present invention;

FIG. 4 is a left side cross-sectional view of the housing of the present invention;

FIG. 5 is a front cross-sectional view of the housing of the present invention;

FIG. 6 is a right side cross-sectional view of the housing of the present invention;

FIG. 7 is a front cross-sectional view of a loading rail of the present invention;

fig. 8 is a left side cross-sectional view of the feeding rail of the present invention.

In the figure: 1. wheel hub, 2, material loading hoist mechanism, 21, casing, 22, step motor, 23, first pivot, 24, belt pulley, 25, belt, 26, layer board, 27, second pivot, 28, sprocket, 29, chain, 210, gear, 3, material loading roller way, 31, bar shell, 32, transfer roller, 33, swinging arms, 34, spliced pole, 35, hydraulic stem, 36, stopper, 37, baffle, 38, U-shaped connecting block, 39, inserted column, 310, bar hole, 4, spiral roller way, 5, ejection of compact roller way, 6, unloading robot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a continuous spiral stepped heating device comprises a furnace body, wherein a feeding roller way 3 for feeding a wheel hub 1 into the furnace is horizontally arranged at the top of the furnace body, a spiral roller way 4 for receiving the wheel hub 1 from the feeding roller way 3 and spirally conveying the wheel hub to the bottom of the furnace body is arranged on the furnace body, and a discharging roller way 5 for receiving the wheel hub 1 from the spiral roller way 4 and conveying the wheel hub out of the furnace is horizontally arranged at the bottom of the furnace body.

As a preferred scheme, further, the spiral roller table 4 includes a plurality of rollers uniformly arranged along the circumferential surface of the furnace body in a spiral manner, the sectional area of any roller extending into the furnace body gradually decreases from outside to inside, the transmission part of any roller located outside the furnace body is fixed on the outer wall surface of the furnace body through a bearing seat and a bracket connecting piece, the rollers are driven by a chain, and the roller is fixed through the bearing seat and the bracket connecting piece in the prior art.

Preferably, the device further comprises a feeding lifting mechanism 2 for lifting and conveying the hub 1 to a feeding roller table 3.

As a preferable scheme, further, the feeding and lifting mechanism 2 includes: the furnace comprises a shell 21, a stepping motor 22, first rotating shafts 23, belt pulleys 24, belts 25 and a supporting plate 26, wherein the shell 21 is arranged on one side of the furnace body, the stepping motor 22 is fixedly arranged on the rear side of the bottom end of an inner cavity of the shell 21, the stepping motor 22 is in the prior art, the stepping motor 22 can drive one of the first rotating shafts 23 to rotate for a certain angle, the model of the stepping motor can be used according to the scheme, the first rotating shaft 23 is rotatably arranged at the front end and the rear end of the upper side and the lower side of the inner cavity of the shell 21 along the left-right direction through bearings, and one end of one of the first rotating shafts 23 is locked by the output end of the stepping motor 22 through a coupler, the belt pulley 24 is fixedly arranged on the outer wall of the first rotating shaft 23, the belt 25 is in matched sleeve joint with the two belt pulleys 24 positioned on one side, a plurality of supporting plates 26 are fixedly arranged on the outer wall of the belt 25 along the circumferential direction, and the inner supporting plate 26 can drive the hub 1 to vertically move upwards under the transmission of the belt 25.

As a preferable scheme, further, the feeding and lifting mechanism 2 further includes: second pivot 27, sprocket 28, second chain 29 and gear 210, second pivot 27 passes through the bearing and rotates the setting at the bottom of the inner chamber one side of casing 21, the equal key-type of the outer wall of the first pivot 23 that sprocket 28 is located the rear side and second pivot 27 has sprocket 28, second chain 29 is connected with two sprocket 28 chains, under the drive of sprocket 28 and second chain 29, can make one of them sprocket 28 drive second pivot 27 around self axis clockwise rotation, the equal key-type of outer wall of the first pivot 23 that gear 210 is located the front side and second pivot 27 has gear 210, and two gears 210 mesh mutually, can make another gear 210 drive first pivot 23 and rotate around self axis anticlockwise under the intermeshing of two gears 210, thereby can make the inboard simultaneous transfer of the belt 25 of both sides around the front and back.

As a preferable scheme, further, the feeding rail 3 includes: strip shell 31, transfer roller 32, swinging arms 33, spliced pole 34 and hydraulic stem 35, strip shell 31 sets up the top at the furnace body, transfer roller 32 sets up the top at strip shell 1, and wheel hub 1 is located transfer roller 32, transfer roller 32 is prior art, swinging arms 33 rotates the inner chamber that sets up at strip shell 31, spliced pole 34 is fixed to be set up on the top of swinging arms 33, the one end of hydraulic stem 35 is passed through the round pin axle and is connected with the rotation of the inner chamber top of strip shell 31, and the other end of hydraulic stem 35 is connected with one side rotation of spliced pole 34, hydraulic stem 35 is prior art, hydraulic stem 35 can promote the swing of spliced pole 34, so that spliced pole 34 drives swinging arms 33 and carries out the horizontal hunting.

As a preferable scheme, further, the feeding rail 3 further includes: stopper 36, baffle 37, U-shaped connecting block 38, insert post 39 and bar hole 310, the quantity of stopper 36 is two, and two fixed inner chambers that set up at bar shell 31 of stopper 36, baffle 37 is pegged graft along vertical direction and stopper 36's top looks adaptation, and wheel hub 1 is located between two baffles 37, baffle 37 is vertical upwards and move down under stopper 36's restriction, U-shaped connecting block 38 is fixed to be set up on the top of baffle 37, bar hole 310 has all been seted up to the left and right sides of swinging arms 33, the inboard of U-shaped connecting block 38 is fixed to be provided with inserts post 39, and insert post 39 is pegged graft with the inner chamber looks adaptation in bar hole 310, the inner wall accessible extrusion of bar hole 310 inserts post 39 messenger U-shaped connecting block 38 and removes.

As a preferred scheme, the automatic wheel hub unloading device further comprises an unloading robot 6 used for unloading the wheel hub 1 on the discharging roller table 5 and transferring the wheel hub to the next procedure, wherein the unloading robot 6 is the prior art.

All the electrical parts in the present case are connected with the power supply adapted to the electrical parts through a wire, and an appropriate controller should be selected according to actual conditions to meet the control requirements, specific connection and control sequence. The following mainly describes the operation principle and process, and the specific operation is as follows.

The method comprises the following steps: when the device works, firstly, a hub 1 to be processed is transferred onto a feeding roller way 3 through a feeding lifting mechanism 2, an external power supply of a stepping motor 22 is switched on, the stepping motor 22 is controlled to be started, the stepping motor 22 can drive one of first rotating shafts 23 to rotate anticlockwise around the axis of the first rotating shaft, so that one of chain wheels 28 can drive one of second rotating shafts 27 to rotate clockwise around the axis of the second rotating shaft under the drive of the chain wheel 28 and the chain II 29, one of gears 210 can be driven to rotate clockwise, the other gear 210 can drive the first rotating shaft 23 to rotate anticlockwise around the axis of the first rotating shaft under the mutual meshing of the two gears 210, and therefore, belts 25 on the front side and the rear side can be simultaneously transmitted inwards, and further, the supporting plate 26 on the inner side can drive the hub 1 to vertically move upwards and move onto a feeding rail 3 through the feeding rail 3;

step two: the hub 1 is transferred on the conveying roller 32, an external power supply of the hydraulic rod 35 is connected, the hydraulic rod 35 is controlled to be started, one end of the hydraulic rod 35 can push the connecting column 34 to swing, so that the connecting column 34 drives the swing rod 33 to swing left and right, when the swing rod 33 swings left, the inner wall of the strip-shaped hole 310 can extrude the inserting column 39 to enable the U-shaped connecting block 38 to move, the baffle 37 on the left side can be enabled to vertically move downwards under the limitation of the limiting block 36, the hub 1 on the left side can be blocked, the hub 1 between the baffles 37 can be enabled to move, the conveying speed and the distance of the hub 1 can be changed, when the swing rod 33 swings right, the baffle 37 on the left side is lifted, the baffle 37 on the right side falls, and one hub 1 can move between the two baffles 37;

step three: and the hub 1 on the feeding roller way 3 is transferred to the spiral roller way 4 again, the feeding roller way 3, the spiral roller way 4 and the discharging roller way 5 run synchronously, in the process, the hub 1 is spirally conveyed to the discharging roller way 5 by the spiral roller way 4 and is sent out of the furnace body, and the blanking robot 6 takes down the hub 1 and sends the hub 1 to the next procedure.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "front side", "rear side", "outer wall", "inner cavity", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless otherwise expressly stated or limited, the terms "plugged," "fixedly disposed," "interference fit," "disposed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A continuous spiral stepped heating device comprises a furnace body, and is characterized in that a feeding roller way (3) for feeding a hub (1) into the furnace is horizontally arranged at the top of the furnace body, a spiral roller way (4) for receiving the hub (1) from the feeding roller way (3) and spirally conveying the hub to the bottom of the furnace body is arranged on the furnace body, and a discharging roller way (5) for receiving the hub (1) from the spiral roller way (4) and conveying the hub out of the furnace is horizontally arranged at the bottom of the furnace body;

the automatic feeding device also comprises a feeding lifting mechanism (2) for lifting and conveying the hub (1) to a feeding roller way (3);

the feeding lifting mechanism (2) comprises:

a housing (21) provided on one side of the furnace body;

the stepping motor (22) is fixedly arranged on the rear side of the bottom end of the inner cavity of the shell (21);

the front end and the rear end of the upper side and the lower side of the inner cavity of the shell (21) are respectively provided with a first rotating shaft (23) in a rotating mode along the left-right direction through a bearing, and one end of one first rotating shaft (23) is locked by the output end of the stepping motor (22) through a coupler;

the belt pulley (24) is fixedly arranged on the outer wall of the first rotating shaft (23);

the belt (25) is in fit sleeve joint with the two belt pulleys (24) positioned on one side;

the outer wall of the belt (25) is fixedly provided with a plurality of supporting plates (26) along the circumferential direction;

the second rotating shaft (27) is rotatably arranged at the bottom end of one side of the inner cavity of the shell (21) through a bearing;

the chain wheel (28) is connected with the outer walls of the first rotating shaft (23) and the second rotating shaft (27) at the rear side in a key mode;

a second chain (29) which is connected with the two chain wheels (28) in a chain manner;

the gear (210) is connected with the outer walls of the first rotating shaft (23) and the second rotating shaft (27) on the front side in a key mode, and the two gears (210) are meshed.

2. A continuous helical stepped heating apparatus as claimed in claim 1, wherein: the spiral roller way (4) comprises a plurality of rollers which are spirally and uniformly arranged along the circumferential surface of the furnace body, partial sectional areas of any roller which extends into the furnace body are gradually reduced from outside to inside, the transmission part of any roller which is positioned outside the furnace body is fixed on the outer wall surface of the furnace body through a bearing seat and a support connecting piece, and the rollers are driven through a chain.

3. A continuous helical stepped heating apparatus as claimed in claim 1, wherein: the part of the cone angle of any roller extending into the furnace body is 2-4 degrees.

4. A continuous helical stepped heating apparatus as claimed in claim 1, wherein: the feeding roller way (3) comprises:

a strip-shaped shell (31) arranged at the top end of the furnace body;

the conveying roller (32) is arranged at the top end of the strip-shaped shell (31), and the hub (1) is positioned on the conveying roller (32);

a swing lever (33) rotatably provided in an inner cavity of the strip-shaped case (31);

a connecting column (34) fixedly arranged at the top end of the swinging rod (33);

the hydraulic rod (35), the one end of hydraulic rod (35) through the round pin axle with the inner chamber top of bar shell (31) rotates to be connected, just the other end of hydraulic rod (35) with one side of spliced pole (34) rotates to be connected.

5. A continuous spiral stepped heating apparatus according to claim 4, wherein: the feeding roller way (3) further comprises:

the number of the limiting blocks (36) is two, and the two limiting blocks (36) are fixedly arranged in the inner cavity of the strip-shaped shell (31);

the baffle plates (37) are matched and spliced with the top ends of the limiting blocks (36) along the vertical direction, and the hub (1) is positioned between the two baffle plates (37);

the U-shaped connecting block (38) is fixedly arranged at the top end of the baffle plate (37);

insert post (39), bar hole (310) have all been seted up to the left and right sides of swinging arms (33), the inboard fixed post (39) of inserting that is provided with of U-shaped connecting block (38), just insert post (39) with the inner chamber looks adaptation of bar hole (310) is pegged graft.

6. A continuous helical stepped heating apparatus as claimed in claim 1, wherein: the automatic discharging device also comprises a discharging robot (6) which is used for discharging the hub (1) on the discharging roller way (5) and transferring to the next procedure.