阅读说明：本技术 不锈钢螺栓退火装置及退火工艺 (Stainless steel bolt annealing device and annealing process ) 是由 王金玉 于 2020-07-06 设计创作，主要内容包括：本发明公开了不锈钢螺栓退火装置及退火工艺,涉及螺栓退火技术领域,包括退火炉、加热机构和进气机构,所述退火炉的下方安装有底座,且退火炉的内壁设置有隔温层,所述退火炉的内部上方固定有连接杆,且连接杆的下方安装有绝缘板,所述加热机构设置于绝缘板的下侧,所述进气机构安装于退火炉的外部两侧,所述退火炉的内部下方安装有支撑杆,且支撑杆的上方固定有承托板,所述承托板的外侧固定有防护框,且承托板的内部开设有通风槽。本发明的有益效果是：该装置的退火炉与后腔室之间为一体化结构,后腔室中两组对称设置的退火风机便于加速热空气在退火炉内部的空气流通,从而使得退火炉内部的热量分布更加均匀,有利于提高退火质量。(The invention discloses a stainless steel bolt annealing device and an annealing process, and relates to the technical field of bolt annealing. The invention has the beneficial effects that: the annealing furnace and the rear cavity of the device are of an integrated structure, and the two sets of symmetrically arranged annealing fans in the rear cavity are convenient for accelerating the air circulation of hot air in the annealing furnace, so that the heat distribution in the annealing furnace is more uniform, and the annealing quality is favorably improved.)

1. Stainless steel bolt annealing device, including annealing stove (2), heating mechanism (6) and mechanism (7) admits air, its characterized in that: the base (1) is installed below the annealing furnace (2), the inner wall of the annealing furnace (2) is provided with a heat insulation layer (3), the connecting rod (4) is fixed above the inside of the annealing furnace (2), the insulation board (5) is installed below the connecting rod (4), the heating mechanism (6) is arranged on the lower side of the insulation board (5), the air inlet mechanism (7) is installed on two sides of the outside of the annealing furnace (2), the supporting rod (8) is installed below the inside of the annealing furnace (2), the supporting rod (9) is fixed above the supporting rod (8), the protective frame (10) is fixed on the outer side of the supporting plate (9), the ventilation groove (11) is formed in the supporting plate (9), the installing frame (12) is installed above the supporting plate (9), the fixing blocks (13) are welded in the middle of the two sides of the supporting plate (9), and the connecting plate (14) is fixed above the fixing blocks (13), and the both sides of connecting plate (14) and installing frame (12) are screw connection, the internally mounted of installing frame (12) has bearing roller (15), and one side of bearing roller (15) is provided with loose axle (16), the opposite side of bearing roller (15) is provided with rotation axis (17), and the outside of rotation axis (17) installs motor (18), be provided with driving chain (19) between rotation axis (17), the externally mounted of bearing roller (15) has subregion guiding mechanism (20), the rear of annealing stove (2) is fixed with back cavity (21), and the inside both sides of back cavity (21) install annealing fan (22).

2. The stainless steel bolt annealing apparatus of claim 1, wherein: heating mechanism (6) is including heating rod (601), spacing fixed plate (602) and fixing bolt (603), and heating rod (601) install in the downside of insulation board (5), the outside of heating rod (601) is provided with spacing fixed plate (602), and the both sides of spacing fixed plate (602) run through fixing bolt (603).

3. The stainless steel bolt annealing apparatus of claim 2, wherein: the heating rods (601) are parallel to each other, the symmetric centers of the heating rods (601) are overlapped with the symmetric centers of the insulating plates (5), and the limiting fixing plates (602) are symmetrically distributed on the outer sides of the heating rods (601).

4. The stainless steel bolt annealing apparatus of claim 3, wherein: the annealing furnace is characterized in that the air inlet mechanism (7) comprises an air inlet pump (701), an air inlet pipe (702) and an air inlet (703), the air inlet pipe (702) is connected above the air inlet pump (701), the air inlet (703) is arranged at the top end of the air inlet pipe (702), and the air inlet (703) is positioned on two sides of the upper portion of the inside of the annealing furnace (2).

5. The stainless steel bolt annealing apparatus of claim 1, wherein: the symmetrical centers of the bearing plate (9) and the protective frame (10) are superposed with the symmetrical center of the mounting frame (12), the bearing plate (9) and the protective frame (10) are fixed with the mounting frame (12) through the fixing block (13), the connecting plate (14) and the screws, and ventilation grooves (11) are symmetrically and uniformly distributed in the bearing plate (9).

6. The stainless steel bolt annealing apparatus of claim 5, wherein: the carrier rollers (15) are arranged in the mounting frame (12) at equal intervals, and the carrier rollers (15) form a rotating structure with the mounting frame (12) through the movable shaft (16) and the rotating shaft (17).

7. The stainless steel bolt annealing apparatus of claim 6, wherein: the partition adjusting mechanism (20) comprises a mounting ring sleeve (2001), limiting partition plates (2002) and locking bolts (2003), the mounting ring sleeve (2001) is sleeved outside the carrier roller (15), the limiting partition plates (2002) are fixed on two sides of the mounting ring sleeve (2001), and the locking bolts (2003) are arranged in the middle of the mounting ring sleeve (2001).

8. The stainless steel bolt annealing apparatus of claim 7, wherein: the mounting ring sleeve (2001) and the limiting partition plate (2002) are both of annular structures, the central axis of the mounting ring sleeve (2001) is overlapped with the central axis of the carrier roller (15), and the mounting ring sleeve (2001) and the limiting partition plate (2002) are fixed with the carrier roller (15) through a locking bolt (2003).

9. The stainless steel bolt annealing apparatus of claim 8, wherein: the annealing fans (22) are arranged in two groups, the annealing fans (22) are symmetrical about a vertical center line of the annealing furnace (2), and the annealing furnace (2) and the rear cavity (21) are of an integrated structure.

10. The stainless steel bolt annealing process using the stainless steel bolt annealing apparatus according to claim 9, wherein the stainless steel bolt annealing process comprises the following specific steps:

s1, preheating

Closing the furnace door of the annealing furnace (2), setting the initial heating temperature of the heating mechanism (6), starting the annealing fan (22) and accelerating the flow of hot air to preheat the interior of the annealing furnace (2);

s2, charging

After preheating is finished, stainless steel screws are sequentially arranged above the space between the carrier rollers (15) of the mounting frame (12) through a clamping machine, a furnace door of the annealing furnace (2) is closed after charging is finished, and furnace gas required by annealing processing is injected into the annealing furnace (2) through an air inlet pump (701), an air inlet pipe (702) and an air inlet (703);

s3, annealing

Resetting the annealing temperature and the annealing duration of the heating mechanism (6), simultaneously starting the annealing fan (22), and driving a plurality of groups of carrier rollers (15) to rotate through the motor (18) and the rotating shaft (17), so that cylindrical stainless steel screws arranged between the carrier rollers (15) rotate simultaneously, and annealing is more uniform;

s4, cooling and taking materials

And (3) closing the power supply, cooling the stainless steel bolts in the annealing furnace (2) at a proper speed, opening the furnace door of the annealing furnace (2) and taking out the stainless steel bolts, and finishing the annealing operation.

Technical Field

The invention relates to the technical field of bolt annealing, in particular to a stainless steel bolt annealing device and an annealing process.

Background

The bolt belongs to mechanical parts and is a cylindrical threaded fastener matched with a nut. Stainless steel bolts are required to be annealed during their manufacture, annealing being a heat treatment process of the metal, which refers to slowly heating the metal to a certain temperature, holding for a sufficient time, and then cooling at a suitable rate. The purpose is to reduce hardness and improve machinability; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; refining grains, adjusting the structure and eliminating the structure defects.

The existing bolt annealing device does not have a special bolt annealing furnace, and the screw rod cannot be placed through the interval between the carrier rollers, so that the screw rod is not convenient to rotate and anneal, the annealing unevenness is easy to cause, the screw rod cannot be partitioned according to the length of the screw rod, the screw rod is likely to be accumulated together, the annealing effect is poor, and therefore, the stainless steel bolt annealing device and the annealing process are provided.

Disclosure of Invention

The invention aims to provide a stainless steel bolt annealing device and an annealing process, and aims to solve the problems that the conventional bolt annealing device in the background art does not have a special bolt annealing furnace, cannot place screws through the space between carrier rollers, is inconvenient to rotate and anneal the screws, is easy to cause uneven annealing, cannot be arranged in a partitioning mode according to the lengths of the screws, and is likely to cause poor annealing effect when the screws are stacked together.

In order to achieve the purpose, the invention provides the following technical scheme: stainless steel bolt annealing device and annealing process, including annealing stove, heating mechanism and air inlet mechanism, the base is installed to the below of annealing stove, and the inner wall of annealing stove is provided with the thermal-insulated layer, the inside top of annealing stove is fixed with the connecting rod, and the below of connecting rod installs the insulation board, heating mechanism sets up in the downside of insulation board, air inlet mechanism installs in the outside both sides of annealing stove, the inside below of annealing stove is installed the bracing piece, and the top of bracing piece is fixed with the bearing board, the outside of bearing board is fixed with the protective frame, and the inside of bearing board has seted up the ventilation slot, the installing frame is installed to the top of bearing board, and the both sides middle part welding of bearing board has the fixed block, the top of fixed block is fixed with the connecting plate, and the connecting plate is the screw connection with the both sides of installing frame, the, and one side of bearing roller is provided with the loose axle, the opposite side of bearing roller is provided with the rotation axis, and the outside of rotation axis installs the motor, be provided with the driving chain between the rotation axis, the externally mounted of bearing roller has subregion guiding mechanism, the rear of annealing stove is fixed with the back cavity, and the inside both sides of back cavity install annealing fan.

Preferably, the heating mechanism comprises a heating rod, a limiting fixing plate and a fixing bolt, the heating rod is installed on the lower side of the insulating plate, the limiting fixing plate is arranged on the outer side of the heating rod, and the fixing bolt penetrates through two sides of the limiting fixing plate.

Preferably, the heating rods are parallel to each other, the symmetric centers of the heating rods coincide with the symmetric center of the insulating plate, and limiting fixing plates are symmetrically distributed on the outer sides of the heating rods.

Preferably, the air inlet mechanism comprises an air inlet pump, an air inlet pipe and an air inlet, the air inlet pipe is connected above the air inlet pump, the air inlet is formed in the top end of the air inlet pipe, and the air inlet is located on two sides of the upper portion of the annealing furnace.

Preferably, the symmetric centers of the supporting plate and the protective frame coincide with the symmetric center of the mounting frame, the supporting plate and the protective frame are fixed with the mounting frame through the fixing blocks, the connecting plates and the screws, and ventilation grooves are symmetrically and uniformly distributed in the supporting plate.

Preferably, the carrier rollers are equidistantly arranged in the mounting frame, and the carrier rollers form a rotating structure with the mounting frame through the movable shaft and the rotating shaft.

Preferably, the partition adjusting mechanism comprises an installation ring sleeve, a limiting partition plate and a locking bolt, the installation ring sleeve is sleeved outside the carrier roller, the limiting partition plate is fixed on two sides of the installation ring sleeve, and the locking bolt is arranged in the middle of the installation ring sleeve.

Preferably, the installation ring sleeve and the limiting partition plate are both of annular structures, the central axis of the installation ring sleeve coincides with the central axis of the carrier roller, and the installation ring sleeve and the limiting partition plate are fixed with the carrier roller through locking bolts.

Preferably, the annealing fans are arranged in two groups, the annealing fans are symmetrical with respect to a vertical center line of the annealing furnace, and an integrated structure is formed between the annealing furnace and the rear chamber.

Preferably, the annealing process of the stainless steel bolt comprises the following specific steps:

s1, preheating

Closing a furnace door of the annealing furnace, setting the initial heating temperature of the heating mechanism, and starting an annealing fan to accelerate the flow of hot air to preheat the interior of the annealing furnace;

s2, charging

After preheating is finished, sequentially loading stainless steel screws above the supporting rollers of the mounting frame through a clamping machine, closing a furnace door of the annealing furnace after loading is finished, and injecting furnace gas required by annealing processing into the annealing furnace through an air inlet pump, an air inlet pipe and an air inlet;

s3, annealing

Resetting the annealing temperature and the annealing time of the heating mechanism, simultaneously starting the annealing fan, and driving a plurality of groups of carrier rollers to rotate through the motor and the rotating shaft so that cylindrical stainless steel screws arranged between the carrier rollers rotate simultaneously to facilitate more uniform annealing;

s4, cooling and taking materials

And (4) closing the power supply, cooling the stainless steel bolt in the annealing furnace at a proper speed, opening the furnace door of the annealing furnace, taking out the stainless steel bolt, and finishing the annealing operation.

The invention provides a stainless steel bolt annealing device and an annealing process, which have the following beneficial effects:

1. the heating mechanism is arranged to facilitate heating, the plurality of groups of parallel heating rods facilitate heating the inside of the annealing furnace, the limiting fixing plate is arranged outside the heating rods to fix the heating rods on the lower side of the insulating plate, and furnace gas required by annealing processing is injected into the annealing furnace conveniently through the air inlet pump, the air inlet pipe and the air inlet.

2. According to the invention, the stainless steel screw rods are conveniently placed between two groups of adjacent carrier rollers through the arrangement of the blocking carrier rollers so as to be convenient for supporting the screw rods, meanwhile, the distance between the carrier rollers is smaller than the diameter of the stainless steel screw rods so as to avoid the stainless steel screw rods from falling, and the cylindrical stainless steel screw rods arranged between the carrier rollers can simultaneously rotate and roll through the motor, the rotating shaft and the movable shaft so as to facilitate more uniform annealing.

3. The locking bolt is used for conveniently realizing the connection and fixation between the mounting ring sleeve and the limiting partition plate and the carrier roller, the mounting ring sleeve and the limiting partition plate are both in annular structures and are conveniently sleeved outside the carrier roller, and the positions of the mounting ring sleeve and the limiting partition plate can be adjusted in a sliding mode outside the carrier roller, so that the limiting partition plate can divide the space between the carrier rollers into a plurality of areas according to the lengths of different screws and can be used for placing stainless steel screws in a partitioned mode.

4. According to the invention, the ventilation grooves are arranged to facilitate the air circulation of the upper side and the lower side of the bearing plate, the bearing plate is arranged below the mounting frame to facilitate the bearing of the stainless steel screw rod accidentally dropped in the mounting frame, the stainless steel screw rod is prevented from being dropped and damaged in the annealing process, the damage rate of accidental situations is reduced, and the fixing blocks and the connecting plates on the two sides of the bearing plate can be fixedly connected with the mounting frame through screws.

5. The annealing furnace and the rear cavity are of an integrated structure, the two groups of symmetrically arranged annealing fans in the rear cavity facilitate the air circulation of the heated air in the annealing furnace, so that the heat distribution in the annealing furnace is more uniform, the annealing quality is improved, the heat insulation layer is arranged to facilitate the heat insulation of the interior of the annealing furnace, and the heat loss in the annealing process is reduced.

Drawings

FIG. 1 is a schematic view of the internal front view structure of the stainless steel bolt annealing apparatus according to the present invention;

FIG. 2 is a schematic diagram of the internal side view of the stainless steel bolt annealing apparatus according to the present invention;

FIG. 3 is a schematic bottom view of the heating mechanism of the annealing device for stainless steel bolts according to the present invention;

FIG. 4 is a schematic perspective view of an installation frame of the annealing device for stainless steel bolts according to the present invention;

FIG. 5 is a schematic view of a partial structure of the inner part of the mounting frame of the annealing device for stainless steel bolts according to the present invention;

fig. 6 is an enlarged schematic structural view of a portion a in fig. 5 of the stainless steel bolt annealing apparatus according to the present invention.

In the figure: 1. a base; 2. an annealing furnace; 3. a thermal insulation layer; 4. a connecting rod; 5. an insulating plate; 6. a heating mechanism; 601. a heating rod; 602. a limiting fixing plate; 603. fixing the bolt; 7. an air intake mechanism; 701. an intake pump; 702. an air inlet pipe; 703. an air inlet; 8. a support bar; 9. a support plate; 10. a protective frame; 11. a ventilation slot; 12. installing a frame; 13. a fixed block; 14. a connecting plate; 15. a carrier roller; 16. a movable shaft; 17. a rotating shaft; 18. an electric motor; 19. a drive chain; 20. a partition adjusting mechanism; 2001. installing a ring sleeve; 2002. a spacing clapboard; 2003. locking the bolt; 21. a rear chamber; 22. an annealing fan.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides the following technical solutions: a stainless steel bolt annealing device and an annealing process comprise a base 1, an annealing furnace 2, a heat insulation layer 3, a connecting rod 4, an insulating plate 5, a heating mechanism 6, a heating rod 601, a limiting fixing plate 602, a fixing bolt 603, an air inlet mechanism 7, an air inlet pump 701, an air inlet pipe 702, an air inlet 703, a support rod 8, a support plate 9, a protective frame 10, a ventilation groove 11, a mounting frame 12, a fixing block 13, a connecting plate 14, a carrier roller 15, a movable shaft 16, a rotating shaft 17, a motor 18, a transmission chain 19, a partition adjusting mechanism 20, a mounting ring sleeve 2001, a limiting partition plate 2002, a locking bolt 2003, a rear chamber 21 and an annealing fan 22, wherein the base 1 is arranged below the annealing furnace 2, the heat insulation layer 3 is arranged on the inner wall of the annealing furnace 2, the connecting rod 4 is fixed above the inner part of the annealing furnace 2, the insulating plate 5 is arranged below the, the heating mechanism 6 comprises a heating rod 601, a limiting fixing plate 602 and a fixing bolt 603, the heating rod 601 is arranged at the lower side of the insulating plate 5, the limiting fixing plate 602 is arranged at the outer side of the heating rod 601, the fixing bolt 603 penetrates through the two sides of the limiting fixing plate 602, the heating rods 601 are parallel to each other, the symmetric center of the heating rod 601 is superposed with the symmetric center of the insulating plate 5, the limiting fixing plates 602 are symmetrically distributed at the outer side of the heating rod 601, the groups of parallel heating rods 601 are convenient for heating the inside of the annealing furnace 2, the limiting fixing plate 602 is convenient for being arranged at the outer side of the heating rod 601 to fix the heating rod 601 at the lower side of the insulating plate 5, the air inlet mechanisms 7 are arranged at the two outer sides of the annealing furnace 2, each air inlet mechanism 7 comprises an air inlet pump 701, an air inlet pipe 702 and an air inlet pipe 703 connected, and the air inlets 703 are positioned at two sides above the inside of the annealing furnace 2;

the supporting rod 8 is arranged at the lower part inside the annealing furnace 2, the supporting plate 9 is fixed above the supporting rod 8, the protective frame 10 is fixed at the outer side of the supporting plate 9, the ventilating grooves 11 are formed in the supporting plate 9, the mounting frame 12 is arranged above the supporting plate 9, the fixing blocks 13 are welded in the middles of two sides of the supporting plate 9, the connecting plates 14 are fixed above the fixing blocks 13, the connecting plates 14 are connected with two sides of the mounting frame 12 through screws, the symmetrical centers of the supporting plate 9 and the protective frame 10 are overlapped with the symmetrical center of the mounting frame 12, the supporting plate 9 and the protective frame 10 are fixed with the mounting frame 12 through the fixing blocks 13, the connecting plates 14 and the screws, the ventilating grooves 11 are uniformly distributed in the supporting plate 9 in a symmetrical shape, the supporting plate 9 is arranged below the mounting frame 12, and is convenient for supporting the stainless steel screw accidentally dropped inside the mounting frame 12, and avoiding the damage caused by the falling of the stainless steel screw in the annealing process, the damage rate of accidents is reduced, the fixed blocks 13 and the connecting plates 14 on the two sides of the supporting plate 9 can be fixedly connected with the mounting frame 12 through screws, and the ventilation grooves 11 are arranged to facilitate air circulation on the upper side and the lower side of the supporting plate 9; the mounting frame 12 is internally provided with carrier rollers 15, one side of each carrier roller 15 is provided with a movable shaft 16, the other side of each carrier roller 15 is provided with a rotating shaft 17, the outer side of each rotating shaft 17 is provided with a motor 18, a transmission chain 19 is arranged between the rotating shafts 17, the carrier rollers 15 are equidistantly arranged inside the mounting frame 12, the carrier rollers 15 form a rotating structure with the mounting frame 12 through the movable shafts 16 and the rotating shafts 17, the carrier rollers 15 are convenient to place stainless steel screw rods between two groups of adjacent carrier rollers 15, meanwhile, the distance between the carrier rollers 15 is smaller than the diameter of the stainless steel screw rods, so that the stainless steel screw rods can be prevented from falling, the cylindrical stainless steel screw rods arranged between the carrier rollers 15 and the mounting frame 12 can be conveniently movably rotated through the motors 18, the rotating shafts 17 and the movable shafts 16, and the cylindrical stainless;

the exterior of the carrier roller 15 is provided with a subarea adjusting mechanism 20, the subarea adjusting mechanism 20 comprises a mounting ring sleeve 2001, a limiting partition plate 2002 and a locking bolt 2003, the mounting ring sleeve 2001 is sleeved outside the carrier roller 15, the limiting partition plate 2002 is fixed on both sides of the mounting ring sleeve 2001, the locking bolt 2003 is arranged in the middle of the mounting ring sleeve 2001, the mounting ring sleeve 2001 and the limiting partition plate 2002 are both in a ring-shaped structure, the central axis of the mounting ring sleeve 2001 is overlapped with the central axis of the carrier roller 15, the mounting ring sleeve 2001 and the limiting partition plate 2002 are fixed with the carrier roller 15 through the locking bolt 2003, the mounting ring sleeve 2001 and the limiting partition plate 2002 are both in a ring-shaped structure so as to be conveniently sleeved outside the carrier roller 15, the positions of the mounting ring sleeve 2001 and the limiting partition plate 2002 can be adjusted in a sliding manner outside the carrier roller 15, so that the limiting partition plate 2002 divides the carrier roller 15 into a plurality of, be used for the subregion to place stainless steel screw rod, be convenient for realize through locking bolt 2003 that the connection between installation ring cover 2001 and spacing baffle 2002 and bearing roller 15 is fixed, annealing furnace 2's rear is fixed with back cavity 21, and the inside both sides of back cavity 21 install annealing fan 22, annealing fan 22 is provided with two sets ofly, and it is symmetrical about annealing furnace 2's vertical central line between the fan 22 to anneal, and be the integrated structure between annealing furnace 2 and the back cavity 21, the annealing fan 22 that two sets of symmetries set up is convenient for accelerate the circulation of air of hot-air in annealing furnace 2 inside, thereby make the inside heat distribution of annealing furnace 2 more even, be favorable to improving annealing quality.

The annealing process of the stainless steel bolt comprises the following specific steps:

s1, preheating

Closing the furnace door of the annealing furnace 2, setting the initial heating temperature of the heating mechanism 6, and starting the annealing fan 22 to accelerate the flow of hot air to preheat the interior of the annealing furnace 2;

s2, charging

After preheating is finished, stainless steel screws are sequentially arranged above the supporting rollers 15 of the mounting frame 12 through a clamping machine, a furnace door of the annealing furnace 2 is closed after charging is finished, and furnace gas required by annealing processing is injected into the annealing furnace 2 through an air inlet pump 701, an air inlet pipe 702 and an air inlet 703;

s3, annealing

Resetting the annealing temperature and the annealing time of the heating mechanism 6, simultaneously starting the annealing fan 22, and driving a plurality of groups of carrier rollers 15 to rotate through the motor 18 and the rotating shaft 17, so that cylindrical stainless steel screws arranged between the carrier rollers 15 rotate simultaneously, and annealing is more uniform;

s4, cooling and taking materials

And (4) closing the power supply, cooling the stainless steel bolts in the annealing furnace 2 at a proper speed, opening the furnace door of the annealing furnace 2, taking out the stainless steel bolts, and finishing the annealing operation.

In conclusion, the stainless steel bolt annealing device and the annealing process can be used, firstly, the door of the annealing furnace 2 can be closed, the preliminary heating temperature of the heating mechanism 6 is set, the annealing fan 22 is started, the flow of hot air is accelerated to preheat the inside of the annealing furnace 2, after the preheating is finished, the stainless steel screws are sequentially arranged above the supporting rollers 15 of the mounting frame 12 through the clamping machine, then the rotating shaft 17 and the supporting rollers 15 can be driven by the motor 18 to rotate, so that the cylindrical stainless steel screws arranged between the supporting rollers 15 can simultaneously rotate and roll, the annealing is more uniform, the positions of the mounting ring sleeve 2001 and the limiting partition plate 2002 can be adjusted in a sliding mode outside the supporting rollers 15 before the annealing operation, so that the limiting partition plate 2002 can divide the space between the supporting rollers 15 into a plurality of areas according to the lengths of different screws for placing the stainless steel screws in the areas, then, the installation ring sleeve 2001, the limiting partition plate 2002 and the carrier roller 15 can be fixedly connected through a locking bolt 2003;

then can put through and reset the annealing temperature and the annealing of heating mechanism 6 long time, make heating rod 601 heat, start annealing fan 22 simultaneously, thereby make the inside heat distribution of annealing stove 2 more even, be favorable to improving annealing quality, and in annealing process, interval between the bearing roller 15 is less than the diameter of stainless steel screw rod and can avoid the stainless steel screw rod to drop simultaneously, and bearing plate 9 sets up in the below of installing frame 12, be convenient for carry out the bearing to the stainless steel screw rod that the inside accident of installing frame 12 dropped, avoid having the stainless steel screw rod to drop the damage in annealing process, reduce the spoilage of unexpected condition, accomplish the use of whole stainless steel bolt annealing device and annealing process just so.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.