阅读说明：本技术 一种弹簧回火炉 (Spring tempering furnace ) 是由 寿永民 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种弹簧回火炉,包括内部安装有输送装置的炉体,输送装置一侧的炉体上设置有可移动且可拆卸的送料装置,送料装置可以从炉体上分离出来,用于搬运需要进行回火的弹簧；在输送装置与炉体组合时,抬升架与送料板之间形成送料口,通过送料口和送料板可以向输送装置上放入弹簧；抬升架与炉体的顶板之间形成排气通道,排气通道内安装有风机,抬升架上安装有用于遮盖排气通道的排气口的盖板,在风机工作时,气流会从送料口涌入排气通道内,气流推动盖板转动后实现排气,能够防止送料口处温度过高而影响送料操作；在风机不工作时,盖板在重力作用下复位,保持遮盖排气口的状态,可以防止灰尘进入排气通道。(The invention discloses a spring tempering furnace, which comprises a furnace body internally provided with a conveying device, wherein a movable and detachable feeding device is arranged on the furnace body on one side of the conveying device, and the feeding device can be separated from the furnace body and is used for carrying springs to be tempered; when the conveying device is combined with the furnace body, a feeding port is formed between the lifting frame and the feeding plate, and a spring can be placed on the conveying device through the feeding port and the feeding plate; an exhaust channel is formed between the lifting frame and a top plate of the furnace body, a fan is installed in the exhaust channel, a cover plate used for covering an exhaust port of the exhaust channel is installed on the lifting frame, when the fan works, airflow can flow into the exhaust channel from the feeding port, and the airflow pushes the cover plate to rotate to realize exhaust, so that the feeding operation can be prevented from being influenced by overhigh temperature at the feeding port; when the fan is out of work, the cover plate resets under the action of gravity, the state of covering the exhaust port is kept, and dust can be prevented from entering the exhaust passage.)

1. A spring tempering furnace is characterized in that: the furnace comprises a furnace body (1) internally provided with a conveying device (6), wherein a feeding device (2) is arranged on the furnace body (1) at one side of the conveying device (6), and a discharge hole (20) is formed in the furnace body (1) at the other side of the conveying device (6); the furnace body is characterized in that the feeding device (2) comprises a moving frame (21) with rollers mounted at the bottom, a feeding plate (22) is mounted at the top of the moving frame (21), a lifting frame (23) is arranged above the feeding plate (22), a feeding hole (11) is formed between the lifting frame (23) and the feeding plate (22), and an exhaust channel (12) is formed between the lifting frame (23) and a top plate of the furnace body (1).

2. The spring temper furnace of claim 1, wherein: the feeding plate (22) comprises a feeding flat plate (24) extending out of the discharge hole (20) and a feeding inclined plate (25) extending above the feeding device (2), and the feeding flat plate (24) is fixedly connected with the feeding inclined plate (25); a connecting clamping plate (28) is arranged on the side surface of the movable frame (21), and a clamping groove (29) which is matched with the connecting clamping plate (28) and is movably clamped and connected with the connecting clamping plate is formed in the side surface of the furnace body (1); the movable rack (21) is internally and transversely provided with an object placing plate (26), and one side of the movable rack (21) far away from the furnace body (1) is provided with a handle (27).

3. The spring temper furnace of claim 1, wherein: install fan (3) in exhaust passage (12), install apron (31) that are used for hiding gas vent (13) of exhaust passage (12) on lifting frame (23), apron (31) link to each other with lifting frame (23) are articulated and can rotate to keeping away from fan (3) one side.

4. The spring temper furnace of claim 1, wherein: the conveying device (6) comprises two conveying rollers (61) arranged in the furnace body (1) and a conveying belt (7) arranged on the two conveying rollers (61), the conveying belt (7) comprises a plurality of conveying strips (71) arranged in parallel and conveying chains (72) positioned on two sides of the conveying strips (71), and two ends of each conveying strip (71) are hinged and connected with the adjacent conveying chains (72); the both sides that conveying strip (71) are close to conveying chain (72) all are provided with spacing (73) that upwards extend, fixed slot (74) and activity slot (75) of mutual intercommunication are seted up to the top of spacing (73), spacing (76) are installed through fixed slot (74) joint on spacing (73), the thickness of limiting plate (76) is less than the width of activity slot (75), one side of limiting plate (76) extend outside fixed slot (74) and with activity slot (75) swing joint on the adjacent spacing (73).

5. The spring temper furnace of claim 4, wherein: conveying chain (72) comprise a plurality of articulated pieces (8) of end to end, articulated piece (8) are including articulated frame (81) and articulated slab (82) that link to each other, be provided with articulated shaft (83) on the lateral surface of articulated frame (81), articulated frame (81) are articulated continuous with adjacent conveying strip (71) through articulated shaft (83).

6. The spring temper furnace of claim 4, wherein: the length of the limiting plate (76) is the same as that of the limiting strip (73).

7. The spring temper furnace of claim 4, wherein: the inner walls of the two sides of the fixed slot (74) are symmetrically arranged in an inclined mode, and included angles between the inner walls of the two sides of the fixed slot (74) and the bottom surface of the fixed slot (74) are 1-3 degrees.

8. The spring temper furnace of claim 1, wherein: the discharge guide plate (4) is installed at a discharge port (20) of the furnace body (1), and a reinforcing support (44) is arranged between the discharge guide plate (4) and the furnace body (1).

9. The spring temper furnace of claim 1, wherein: the side surface of the furnace body (1) is provided with a box door (5) which can be opened and closed.

The technical field is as follows:

the invention relates to a spring tempering furnace.

Background art:

in the processing and casting process of the spring, after the spring is cast, the spring is usually required to be tempered according to the material of the spring, so that the capability of needing the material is achieved, and the effect of releasing stress is achieved. Tempering is a process for heating the casting, and the quality of the tempering directly determines the quality of the casting. Most of present spring tempering furnaces are closed structures, and feeding and discharging need all be carried by manual work, lead to tempering inefficiency, influence the holistic production efficiency of spring.

The invention content is as follows:

the invention aims to solve the problems in the prior art, and provides a spring tempering furnace which can continuously operate and orderly feed and discharge materials, wherein limiting strips and detachable limiting plates are arranged on two sides of an internal conveying belt, so that springs can be effectively prevented from falling from two sides in the conveying process.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a spring tempering furnace comprises a furnace body internally provided with a conveying device, wherein a feeding device is arranged on the furnace body at one side of the conveying device, and a discharge hole is formed in the furnace body at the other side of the conveying device; the feeding device comprises a moving frame with rollers mounted at the bottom, a feeding plate is mounted at the top of the moving frame, a lifting frame is arranged above the feeding plate, a feeding hole is formed between the lifting frame and the feeding plate, and an exhaust channel is formed between the lifting frame and a top plate of the furnace body.

Preferably, the feeding plate package comprises a feeding flat plate extending out of the discharge port and a feeding inclined plate extending above the feeding device, and the feeding flat plate is fixedly connected with the feeding inclined plate; a connecting clamping plate is arranged on the side surface of the movable frame, and a clamping groove which is matched with the connecting clamping plate and is movably clamped and connected with the connecting clamping plate is formed in the side surface of the furnace body; the movable rack is characterized in that an object placing plate is transversely arranged in the movable rack, and a handle is arranged on one side, away from the furnace body, of the movable rack.

Preferably, the fan is installed in the exhaust passage, a cover plate used for covering an exhaust port of the exhaust passage is installed on the lifting frame, and the cover plate is hinged to the lifting frame and can rotate to one side far away from the fan.

Preferably, the conveying device comprises two conveying rollers arranged in the furnace body and conveying belts arranged on the two conveying rollers, each conveying belt comprises a plurality of conveying strips arranged in parallel and conveying chains positioned on two sides of each conveying strip, and two ends of each conveying strip are hinged and connected with the adjacent conveying chains; the both sides that the conveyer strip is close to the conveying chain all are provided with the spacing of upwards extending, fixed slot and the activity slot of mutual intercommunication are seted up at the top of spacing, install the limiting plate through fixed slot joint on the spacing, the thickness of limiting plate is less than the width of activity slot, one side of limiting plate extend outside fixed slot and with adjacent spacing on the activity slot swing joint.

Preferably, the conveying chain comprises a plurality of end-to-end hinged pieces, each hinged piece comprises a hinged frame and a hinged plate, the hinged frames are hinged, hinge shafts are arranged on the outer side faces of the hinged frames, and the hinged frames are hinged and connected with adjacent conveying strips through the hinge shafts.

Preferably, the length of the limiting plate is the same as that of the limiting strip.

Preferably, the inner walls of the two sides of the fixed slot are symmetrically and obliquely arranged, and the included angles between the inner walls of the two sides of the fixed slot and the bottom surface of the fixed slot are 1-3 degrees.

Preferably, a discharge guide plate is installed at a discharge port of the furnace body, and a reinforcing support is arranged between the discharge guide plate and the furnace body.

Preferably, the side surface of the furnace body is provided with a door capable of opening and closing.

The invention has the beneficial effects that: the spring tempering furnace comprises a furnace body, wherein a conveying device is arranged in the furnace body, a movable and detachable feeding device is arranged on the furnace body on one side of the conveying device, and the feeding device can be separated from the furnace body and is used for carrying springs to be tempered; when the conveying device is combined with the furnace body, a feeding port is formed between the lifting frame and the feeding plate, and a spring can be placed on the conveying device through the feeding port and the feeding plate; an exhaust channel is formed between the lifting frame and a top plate of the furnace body, a fan is installed in the exhaust channel, a cover plate used for covering an exhaust port of the exhaust channel is installed on the lifting frame, when the fan works, airflow can flow into the exhaust channel from the feeding port, and the airflow pushes the cover plate to rotate to realize exhaust, so that the feeding operation can be prevented from being influenced by overhigh temperature at the feeding port; when the fan is out of work, the cover plate resets under the action of gravity, the state of covering the exhaust port is kept, and dust can be prevented from entering the exhaust passage.

The conveying device comprises two conveying rollers arranged in the furnace body and conveying belts arranged on the two conveying rollers, each conveying belt comprises a plurality of conveying strips arranged in parallel and conveying chains positioned on two sides of each conveying strip, and two ends of each conveying strip are hinged and connected with the adjacent conveying chains; the two sides of the conveying strip, which are close to the conveying chain, are provided with the limiting strips which extend upwards, and the limiting strips are provided with detachable limiting plates in a clamping mode through the fixing slots, so that the springs on the conveying device can be effectively prevented from falling; one side of each limiting plate extends out of the corresponding fixed slot and is movably connected with the corresponding movable slot on the adjacent limiting strip, one side of each limiting plate is located in the corresponding movable slot during transverse transmission, and when the limiting plates are located at the conveying rollers to rotate, one side of each limiting plate can be partially separated from the corresponding movable slot, so that the conveying strips can smoothly complete rotation under the driving of the conveying rollers; and the limiting plate adopts detachable design, the follow-up clearance and the maintenance of being convenient for.

Description of the drawings:

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

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

FIG. 3 is a schematic view of a partial structure of a conveyor bar according to the present invention;

FIG. 4 is a schematic view of a partial structure of the conveyor bar of the present invention with the limiting plate removed;

FIG. 5 is a schematic view of a partial structure of another view of the conveyor bar of the present invention with the limiting plate removed;

fig. 6 is a schematic view of a hinge according to the present invention.

The specific implementation mode is as follows:

in order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and embodiments.

As shown in fig. 1-6, the spring tempering furnace comprises a furnace body 1 with a conveying device 6 mounted therein, wherein a feeding device 2 is arranged on the furnace body 1 at one side of the conveying device 6, and a discharge hole 20 is arranged on the furnace body 1 at the other side of the conveying device 6. The feeding device 2 comprises a moving frame 21 with rollers mounted at the bottom, a feeding plate 22 is mounted at the top of the moving frame 21, a lifting frame 23 is arranged above the feeding plate 22, a feeding hole 11 is formed between the lifting frame 23 and the feeding plate 22, and an exhaust channel 12 is formed between the lifting frame 23 and a top plate of the furnace body 1. Preferably, the feeding plate 22 comprises a feeding flat plate 24 extending out of the discharge port 20 and a feeding inclined plate 25 extending above the feeding device 2, and the feeding flat plate 24 is fixedly connected with the feeding inclined plate 25. The combination of the feeding flat plate 24 and the feeding inclined plate 25 can smoothly feed the spring to be tempered on the feeding device 2 to the conveying device 6. The side of the movable frame 21 is provided with a connecting clamping plate 28, and the side of the furnace body 1 is provided with a clamping groove 29 which is matched with the connecting clamping plate 28 and is movably clamped and connected. An object placing plate 26 is transversely arranged in the movable frame 21, and a handle 27 is arranged on one side of the movable frame 21 far away from the furnace body 1. The conveying device 6 is connected with the furnace body 1 by adopting a detachable structure, and when the conveying device 6 is separated from the furnace body 1, an operator can push the conveying device 6 to carry the spring with tempering, so that the spring is more convenient to transport. When the furnace body 1 needs tempering operation, the conveying device 6 is combined with the furnace body 1 to form a complete tempering furnace, and at the moment, the conveying device 6 can be fed to the inner conveying device through the feeding plate 22, so that the operation is convenient.

Install fan 3 in the exhaust passage 12, install the apron 31 that is used for hiding the gas vent 13 of exhaust passage 12 on the lifting frame 23, apron 31 links to each other with lifting frame 23 is articulated and can rotate to keeping away from fan 3 one side. When the fan 3 is not in operation, the cover plate 31 covers the exhaust port 13 under its own weight to prevent dust from entering the exhaust passage 12. When the furnace body 1 works, the fan 3 can be started to generate air flow, the air flow enters the exhaust channel 12 from the feeding port 11, and then the cover plate 31 is pushed to rotate, so that the air flow is exhausted from the exhaust port 13. The heat emitted to the feeding port 11 in the furnace body 1 can be discharged after entering the exhaust channel 12 along with the air flow, so that the overhigh temperature at the feeding port 11 can be prevented.

The conveying device 6 comprises two conveying rollers 61 arranged in the furnace body 1 and a conveying belt 7 arranged on the two conveying rollers 61. The conveying roller 61 is connected with a motor or other driving device on the furnace body 1, so that the conveying belt 7 can be driven by the conveying roller 61 to rotate. The conveying belt 7 comprises a plurality of conveying strips 71 arranged in parallel and conveying chains 72 positioned on two sides of the conveying strips 71, and two ends of each conveying strip 71 are hinged with the adjacent conveying chains 72. The conveying chain 72 is composed of a plurality of hinged pieces 8 hinged end to end, each hinged piece 8 comprises a hinged frame 81 and a hinged plate 82, each hinged frame 81 is hinged to the corresponding hinged plate 82, a hinged shaft 83 is arranged on the outer side face of each hinged frame 81, and each hinged frame 81 is hinged to the corresponding adjacent conveying strip 71 through the corresponding hinged shaft 83. The articulated elements 8 form an end-to-end conveyor chain 72, which connects the conveyor bars 71 together in parallel and is able to perform translation and rotation under the action of the conveyor rollers 61. The springs falling onto the conveyor belt 7 are conveyed to the discharge port 20 through the conveyor belt 7, and the tempering of the springs is completed in the conveying process.

Both sides that conveyer strip 71 is close to conveying chain 72 all are provided with the spacing strip 73 that upwards extends, fixed slot 74 and the activity slot 75 of mutual intercommunication are seted up at the top of spacing strip 73, spacing plate 76 is installed through fixed slot 74 joint on the spacing strip 73. The thickness of the limiting plate 76 is smaller than the width of the movable slot 75, and one side of the limiting plate 76 extends out of the fixed slot 74 and is movably connected with the movable slot 75 on the adjacent limiting strip 73, i.e. one side of the limiting plate 76 is inserted into the movable slot 75 but not contacted with the inner wall of the movable slot 75. Spacing strip 73 plays one-level limiting displacement in the vertical direction, and limiting plate 76 can play further limiting displacement in horizontal and vertical direction, prevents effectively that the spring from dropping from conveyer belt 7 in transportation process. As a preferable scheme, the length of the limiting plate 76 is the same as that of the limiting strip 73, so that one side of the limiting plate 76 is clamped and fixed in the fixed slot 74, and the other side of the limiting plate 76 can be movably inserted into the movable slot 75 and can generate relative displacement with the movable slot 75 when the conveyor belt 7 rotates, so that the conveyor belt 7 can smoothly translate and rotate. The inner walls of the two sides of the fixed slot 74 are symmetrically and obliquely arranged, and the included angles alpha between the inner walls of the two sides of the fixed slot 74 and the bottom surface of the fixed slot 74 are all 1-3 degrees. That is, the insertion opening of the fixing slot 74 is slightly wider than the bottom, which facilitates the insertion and removal of the stopper plate 76 and the later maintenance of the whole conveyor belt 7.

As a preferable scheme, the discharge guide plate 4 is installed at the discharge port 20 of the furnace body 1, the reinforcing bracket 44 is arranged between the discharge guide plate 4 and the furnace body 1, one side of the discharge guide plate 4 extends to the conveying device 6, and the conveying device 6 is matched to receive the spring above the discharge guide plate 4. The side of the furnace body 1 is provided with a box door 5 which can be opened and closed, the box door 5 is convenient for knowing the condition inside the furnace body 1 and the later maintenance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.