CN118127306A - Annealing furnace for processing bearing outer ring - Google Patents

Annealing furnace for processing bearing outer ring Download PDF

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Publication number
CN118127306A
CN118127306A CN202410540033.9A CN202410540033A CN118127306A CN 118127306 A CN118127306 A CN 118127306A CN 202410540033 A CN202410540033 A CN 202410540033A CN 118127306 A CN118127306 A CN 118127306A
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CN
China
Prior art keywords
annealing furnace
support rods
bearing outer
upper support
lower support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410540033.9A
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Chinese (zh)
Inventor
承泽峰
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Changzhou Dingsheng Heat Treatment Engineering Co ltd
Original Assignee
Changzhou Dingsheng Heat Treatment Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Changzhou Dingsheng Heat Treatment Engineering Co ltd filed Critical Changzhou Dingsheng Heat Treatment Engineering Co ltd
Priority to CN202410540033.9A priority Critical patent/CN118127306A/en
Publication of CN118127306A publication Critical patent/CN118127306A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention relates to the technical field of bearing processing, in particular to an annealing furnace for processing a bearing outer ring, which comprises an annealing furnace main body and a movable door, wherein the inside of the annealing furnace main body is horizontally provided with the movable plate in a sliding manner along the length direction of the annealing furnace main body, one side of the movable plate, which is close to the movable door, is horizontally provided with a plurality of upper support rods, the upper support rods are rotationally connected with the movable plate, the outer side walls of the upper support rods are provided with a plurality of partition plates at equal intervals along the length direction of the upper support rods, lower support rods are movably arranged under the upper support rods, one side of the movable plate, which is far away from the movable door, is provided with a linear driving mechanism for driving the plurality of lower support rods to synchronously slide up and down, the upper support rods and the lower support rods are used for carrying out internal bracing positioning on the bearing outer ring, the annealing furnace main body is provided with a rotary driving mechanism for driving the upper support rods to rotate, and the bearing outer ring is sleeved on the outer side walls of the upper support rods and the lower support rods, so that the bearing outer rings are heated more uniformly, the annealing effect is good, and the working efficiency is high.

Description

Annealing furnace for processing bearing outer ring
Technical Field
The invention relates to the technical field of bearing machining, in particular to an annealing furnace for machining an outer ring of a bearing.
Background
Annealing is a metal heat treatment process, which refers to slowly heating metal to a certain temperature, maintaining for a sufficient time, and then cooling at a proper speed, in order to reduce hardness and improve machinability; residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; fine grains, adjust the structure and eliminate the defect of the structure.
The existing bearing outer ring is generally directly placed in the annealing furnace for heating during annealing, the single annealing quantity is small, and meanwhile, the bearing outer ring is stacked together and is easy to be heated unevenly, so that the bearing quality is affected.
Disclosure of Invention
The invention aims to provide an annealing furnace for processing an outer ring of a bearing, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an annealing stove is used in bearing outer lane processing, includes annealing stove main part and can open and shut the dodge gate that sets up in annealing stove main part one side, the inside of annealing stove main part is provided with the fly leaf along its length direction horizontal slip, and the fly leaf is close to one side level of dodge gate and be provided with a plurality of bracing pieces, it rotates with the fly leaf to go up the bracing piece and be connected, and is provided with a plurality of baffles along its length direction equidistant on the lateral wall of going up the bracing piece, all move about under going up the bracing piece and be provided with down the bracing piece, one side that the fly leaf was kept away from to the fly leaf is provided with a plurality of lower bracing pieces and slided linear drive mechanism from top to bottom in step, go up bracing piece and lower bracing piece and be used for carrying out the internal stay location to the bearing outer lane, be provided with bracing piece pivoted rotary drive mechanism in the annealing stove main part.
Further, the upper support rod and the lower support rod are of cylindrical rod-shaped structures, and the lengths of the upper support rod and the lower support rod are equal.
Further, the linear driving mechanism comprises a connecting plate and a linear driving piece, wherein the connecting plate and the linear driving piece are arranged on one side, far away from the movable door, of the movable plate, a plurality of abdicating slide holes are arranged on the movable plate, the abdicating slide holes are vertically arranged, a plurality of lower support rods respectively penetrate through the abdicating slide holes and are connected with the connecting plate, and the linear driving piece is used for driving each lower support rod to slide up and down in the corresponding abdicating slide hole.
Further, the lower support rods are rotationally connected with the connecting plates.
Further, the rotary driving mechanism comprises a plurality of rotary shafts corresponding to the upper support rods one by one and a driving module for driving the rotary shafts to synchronously rotate, the rotary shafts are located outside the upper support rods, one ends of the rotary shafts, close to the upper support rods, are horizontally provided with positioning rods, positioning grooves matched with the positioning rods are formed in the upper support rods, and the rotary shafts are inserted into the positioning grooves and used for driving the upper support rods to coaxially rotate with the rotary shafts.
Further, the driving module is located outside the annealing furnace main body, and a mounting hole for accommodating the rotating shaft to extend to the outside is formed in the side wall of the annealing furnace main body in a penetrating mode.
Further, the outside edge of fly leaf and the inside wall butt of annealing stove main part, one side that is close to the dodge gate of annealing stove main part bottom is provided with the slag notch.
Further, the partition plate is of a circular ring structure.
Further, the outer periphery of the partition plate is provided with a plurality of circulation gaps in a circumferential array.
Further, the fan blades are fixed at one end of the upper support rod, which is close to the movable plate.
Compared with the prior art, the invention has the beneficial effects that:
Through setting up upper support pole and lower support pole, can carry out the internal stay location to the bearing outer lane of equidimension, avoid annealing in-process bearing movement to influence annealing effect, upper support pole and lower support pole and bearing outer lane area of contact are little simultaneously, can drive the rotation of upper support pole through setting up rotatory actuating mechanism, can drive the bearing outer lane rotation under frictional force effect then, make the bearing outer lane be heated more evenly, improve product quality;
By arranging the movable plate, the plurality of upper support rods can be conveniently pulled out of the annealing furnace body integrally, so that feeding and discharging are convenient, and the working efficiency is improved;
Through setting up the flabellum, can drive the inside air flow of annealing stove main part, make the inside everywhere temperature of annealing stove main part unanimous, make the bearing outer lane be heated more evenly.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view showing the perspective structure of the upper support rod of the present invention;
FIG. 4 is a schematic view of a partial explosion of the present invention;
Fig. 5 is a schematic sectional view of the upper support rod in embodiment 2 of the present invention.
In the figure: 1. an annealing furnace main body; 2. a movable door; 3. a movable plate; 301. a abdicating slide hole; 4. an upper support rod; 401. a partition plate; 4011. a flow gap; 402. a positioning groove; 5. a lower support rod; 6. a rotary driving mechanism; 601. a rotating shaft; 6011. a positioning rod; 602. a driving module; 7. a linear driving mechanism; 701. a connecting plate; 702. a linear driving member; 8. and (3) a fan blade.
Detailed Description
In the following description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment 1 referring to fig. 1-4, an embodiment of the present invention is provided: the annealing furnace for processing the bearing outer ring comprises an annealing furnace main body 1 and a movable door 2 which is arranged at one side of the annealing furnace main body 1 in an openable manner, the specific structure of the annealing furnace main body 1 is the prior art, and is not repeated herein, in the embodiment, the annealing furnace main body 1 is of a cuboid structure, the bottom end of the annealing furnace main body is provided with a plurality of supporting legs for supporting, the side wall of the annealing furnace main body is embedded with a heating piece (not shown in the figure) for heating, the annealing furnace main body 1 is also provided with a temperature sensor for monitoring the internal temperature of the annealing furnace main body 1 in real time, an air inlet for inflating the inside, a controller for controlling the operation of each electrical element and the like, the air inlet can supplement air to the inside according to annealing requirements, the controller realizes intelligent control of equipment, the inside of the annealing furnace main body 1 is horizontally sliding along the length direction thereof and is provided with a movable plate 3, in the embodiment, a plurality of upper support rods 4 are horizontally arranged on one side of the movable plate 3, which is close to the movable door 2, the specific number of the upper support rods 4 is not limited, four upper support rods 4 are arranged on the movable plate 3 in two rows, the upper support rods 4 are rotationally connected with the movable plate 3, the upper support rods 4 can rotate in situ along the axial direction of the upper support rods, a plurality of partition plates 401 are arranged on the outer side walls of the upper support rods 4 at equal intervals along the length direction of the upper support rods, in the embodiment, the partition plates 401 are of circular ring structures, bearing outer rings are placed between the two partition plates 401 during annealing to play a partition role, the bearing outer rings are prevented from being accumulated together to cause uneven heating, the partition plates 401 are specifically fixed or slidably arranged on the outer side walls of the upper support rods 4, lower support rods 5 are movably arranged under the upper support rods 4, the upper support rods 4 and the lower support rods 5 are of cylindrical rod-shaped structures, the contact area can be reduced when the bearing outer rings are sleeved on the upper support rod 4 and the lower support rod 5, the lengths of the upper support rod 4 and the lower support rod 5 are equal, further, when the movable door 2 is closed, one ends of the upper support rod 4 and the lower support rod 5, which are far away from the movable plate 3, are all abutted on the inner side wall of the movable door 2, and in order to improve the stability of the movement of the upper support rod 4 and the lower support rod 5, positioning grooves (not shown in the figure) which are matched with the upper support rod 4 and the lower support rod 5 can be arranged on the movable door 2, the movable door 2 is opened, the upper support rod 4 and the movable plate 3 can be pulled out of the annealing furnace main body 1, the upper support rod 4 and the lower support rod 3 are convenient to feed and anneal a plurality of bearing outer rings at one time, so that the space utilization rate is high, and the working efficiency is improved;
The movable plate 3 is provided with a linear driving mechanism 7 for driving a plurality of lower support rods 5 to slide up and down synchronously on one side far away from the movable door 2, the upper support rods 4 and the lower support rods 5 are used for carrying out inner supporting positioning on the bearing outer rings, the linear driving mechanism 7 can adjust the distance between each upper support rod 4 and each lower support rod 5, so that the inner supporting positioning on the bearing outer rings with different sizes is facilitated, and meanwhile, the distance between the upper support rods 4 and the lower support rods 5 is adjusted to facilitate the loading and unloading of the bearing outer rings;
Referring to fig. 4, the linear driving mechanism 7 includes a connection plate 701 and a linear driving member 702 disposed on one side of the movable plate 3 away from the movable door 2, the movable plate 3 is provided with a plurality of abdication sliding holes 301 corresponding to the lower support rods 5 one by one, the abdication sliding holes 301 are vertically disposed, which are specifically strip-shaped kidney-shaped holes, the plurality of lower support rods 5 respectively pass through the abdication sliding holes 301 and are connected with the connection plate 701, the linear driving member 702 is used for driving each lower support rod 5 to slide up and down in the abdication sliding holes 301, in this embodiment, the connection plate 701 is in an "i" structure, the linear driving member 702 is a vertically disposed threaded rod, the threaded rod is rotationally connected with the annealing furnace body 1, the bottom end of the threaded rod is rotationally connected with the connection plate 701, and the top end of the threaded rod extends to the outside of the annealing furnace body 1 and is provided with a knob, the threaded rod is driven to rotate by the knob, and then the connection plate 701 and each lower support rod 5 are driven to move up and down, the linear driving member 702 can also be configured into other structures such as an electric push rod, a hydraulic telescopic rod, etc. by which stretches and drives the lower support rods 5 to slide up and down, and then the distance between the lower support rods 5 and the upper support rod 4 can be adjusted according to the inner diameter of the bearing outer ring;
In this embodiment, the lower support rod 5 is rotationally connected with the connection plate 701, so that the lower support rod 5 can freely rotate along the axial direction thereof, and friction force with the bearing outer ring can be reduced when the lower support rod 5 is abutted against the inner side wall of the bearing outer ring;
The annealing furnace main body 1 is provided with a rotary driving mechanism 6 for driving the upper supporting rod 4 to rotate, the rotary driving mechanism 6 comprises a plurality of rotary shafts 601 which are in one-to-one correspondence with the upper supporting rod 4 and a driving module 602 for driving the rotary shafts 601 to synchronously rotate, the rotary shafts 601 are positioned outside the upper supporting rod 4, the rotary shafts 601 and the upper supporting rod 4 are coaxially arranged, one end of each rotary shaft 601 close to the upper supporting rod 4 is horizontally provided with a positioning rod 6011, the inside of each upper supporting rod 4 is provided with a positioning groove 402 which is mutually matched with the positioning rod 6011, the rotary shafts 601 are inserted into the positioning grooves 402 and are used for driving the upper supporting rod 4 to coaxially rotate with the rotary shafts 601, the specific shape of the positioning rods 6011 is not limited, in the embodiment, the cross section of each positioning rod 6011 is of a square structure, and the upper supporting rod 4 can be driven to rotate when the positioning rod is inserted into the positioning grooves 402, when the bearing outer ring is sleeved on the outer side walls of the upper support rod 4 and the lower support rod 5, the bearing outer ring is tightly attached to the upper support rod 4, and can be driven to rotate under the action of friction force;
further, the driving module 602 is located outside the annealing furnace main body 1, a mounting hole for accommodating the rotating shaft 601 to extend to the outside is formed in the side wall of the annealing furnace main body 1 in a penetrating manner, the rotating shaft 601 is rotatably connected with the annealing furnace main body 1 through a bearing, one end of the rotating shaft 601 penetrates through the mounting hole and extends to the outside of the annealing furnace main body 1, the driving module 602 specifically comprises belt pulleys sleeved on each rotating shaft 601, belts connected with each belt pulley and a motor for driving the belt pulleys to rotate, dust covers are arranged outside each belt pulley and the belt, and driving mechanisms which can be set into chain wheels and chains according to requirements drive each rotating shaft 601 to synchronously rotate;
Further, the fan blades 8 are fixed at one end of the upper support rod 4, which is close to the movable plate 3, and the fan blades 8 can be driven to rotate when the upper support rod 4 rotates, so that the gas in the annealing furnace main body 1 is driven to flow, the temperature of the inner part is consistent, a fan (not shown in the figure) can be arranged on the inner side wall of the movable door 2 according to the requirement, the gas flow rate is further driven, the heating uniformity of each workpiece is ensured, the fan blades 8 are fixed at one side, which is close to the movable plate 3, the feeding and discharging of the workpiece are prevented from being influenced, and meanwhile, the equipment investment can be reduced;
The outside edge of fly leaf 3 and the inside wall looks butt of annealing stove main part 1, and one side that annealing stove main part 1 bottom is close to dodge gate 2 is provided with the sediment mouth, and fly leaf 3 can scrape the residue etc. that falls to the stove bottom and sweep sediment mouth department collection treatment when the inside horizontal side-to-side slip of annealing stove main part 1, reduces the work load of later stage clearance.
Working principle: the movable door 2 is opened in the work, the lower support rods 5 are driven to synchronously move upwards through the linear driving mechanism 7, the distance between the upper support rods 4 and the lower support rods 5 is reduced, then the upper support rods 4 are pulled out of the annealing furnace main body 1, the bearing outer rings are sleeved on the upper support rods 4, the partition 401 separates the bearing outer rings, then the upper support rods 4 are pushed into the annealing furnace main body 1, at the moment, the lower support rods 5 are correspondingly inserted into the bearing outer rings, the lower support rods 5 are driven to move downwards through the linear driving mechanism 7 until the lower support rods 5 abut against the inner side walls of the bearing outer rings, the bearing outer rings are supported and positioned, the movable door 2 is closed, the bearing outer rings are heated and annealed, the rotary driving mechanism 6 drives the upper support rods 4 to rotate, the outer side walls of the upper support rods 4 abut against the bearing outer rings, the bearing outer rings are driven to rotate under the action of friction force, the bearing outer rings are heated uniformly, the upper support rods 4 simultaneously drive the fan blades 8 to synchronously rotate, the inner temperature of the annealing furnace main body 1 is enabled to be consistent, and the heating uniformity is further improved.
In embodiment 2, referring to fig. 5, on the basis of embodiment 1, a plurality of flow gaps 4011 are circumferentially arranged on the outer periphery of the partition 401 to facilitate the flow of gas.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an annealing furnace for bearing outer lane processing, includes annealing furnace main part (1) and can open and shut setting up dodge gate (2) in annealing furnace main part (1) one side, its characterized in that: the annealing furnace is characterized in that a movable plate (3) is arranged in the annealing furnace body (1) horizontally in the longitudinal direction of the annealing furnace body, a plurality of upper support rods (4) are horizontally arranged on one side, close to the movable door (2), of the movable plate (3), the upper support rods (4) are rotatably connected with the movable plate (3), a plurality of partition plates (401) are arranged on the outer side wall of the upper support rods (4) at equal intervals in the longitudinal direction of the annealing furnace body, lower support rods (5) are movably arranged under the upper support rods (4), a plurality of linear driving mechanisms (7) for driving the lower support rods (5) to synchronously slide up and down are arranged on one side, far away from the movable door (2), of the movable plate (3), the upper support rods (4) and the lower support rods (5) are used for carrying out inner support positioning on bearing outer rings, and rotary driving mechanisms (6) for driving the upper support rods (4) are arranged on the annealing furnace body (1).
2. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the upper support rod (4) and the lower support rod (5) are of cylindrical rod-shaped structures, and the lengths of the upper support rod (4) and the lower support rod (5) are equal.
3. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the linear driving mechanism (7) comprises a connecting plate (701) and a linear driving piece (702) which are arranged on one side, far away from the movable door (2), of the movable plate (3), a plurality of yielding slide holes (301) which are in one-to-one correspondence with the lower support rods (5) are arranged on the movable plate (3), the yielding slide holes (301) are vertically arranged, the lower support rods (5) penetrate through the yielding slide holes (301) respectively and are connected with the connecting plate (701), and the linear driving piece (702) is used for driving each lower support rod (5) to slide up and down in the yielding slide holes (301).
4. The annealing furnace for processing a bearing outer ring according to claim 3, wherein: the lower support rods (5) are rotationally connected with the connecting plates (701).
5. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the rotary driving mechanism (6) comprises a plurality of rotating shafts (601) corresponding to the upper supporting rods (4) one by one and a driving module (602) for driving the rotating shafts (601) to synchronously rotate, the rotating shafts (601) are located outside the upper supporting rods (4), one ends of the rotating shafts (601) close to the upper supporting rods (4) are horizontally provided with positioning rods (6011), positioning grooves (402) matched with the positioning rods (6011) are formed in the upper supporting rods (4), and the rotating shafts (601) are inserted into the positioning grooves (402) and used for driving the upper supporting rods (4) to coaxially rotate with the rotating shafts (601).
6. The annealing furnace for processing a bearing outer ring according to claim 5, wherein: the driving module (602) is located outside the annealing furnace main body (1), and a mounting hole for accommodating the extension of the rotating shaft (601) to the outside is formed in the side wall of the annealing furnace main body (1) in a penetrating mode.
7. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the outer side edge of the movable plate (3) is abutted against the inner side wall of the annealing furnace main body (1), and a slag discharging port is arranged at one side, close to the movable door (2), of the bottom end of the annealing furnace main body (1).
8. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the partition plate (401) is of a circular ring structure.
9. The annealing furnace for processing a bearing outer ring according to claim 8, wherein: the outer side periphery of the baffle plate (401) is provided with a plurality of circulation gaps (4011) in a circumferential array.
10. The annealing furnace for processing a bearing outer ring according to claim 1, wherein: the fan blades (8) are fixed at one end of the upper supporting rod (4) close to the movable plate (3).
CN202410540033.9A 2024-04-30 2024-04-30 Annealing furnace for processing bearing outer ring Pending CN118127306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410540033.9A CN118127306A (en) 2024-04-30 2024-04-30 Annealing furnace for processing bearing outer ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410540033.9A CN118127306A (en) 2024-04-30 2024-04-30 Annealing furnace for processing bearing outer ring

Publications (1)

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CN118127306A true CN118127306A (en) 2024-06-04

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CN202410540033.9A Pending CN118127306A (en) 2024-04-30 2024-04-30 Annealing furnace for processing bearing outer ring

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210314388U (en) * 2019-07-23 2020-04-14 本田金属技术(佛山)有限公司 Heat treatment hanger
CN214120758U (en) * 2020-07-02 2021-09-03 王兴珍 Heating furnace for manufacturing tandem type bearings
CN114908244A (en) * 2022-04-09 2022-08-16 陈晓燕 Large-scale desk-top gas low temperature annealing stove
CN114908227A (en) * 2022-05-20 2022-08-16 王有恒 Annealing method for automobile brake disc
CN217265863U (en) * 2022-04-21 2022-08-23 宿州优嘉轴承科技有限公司 Annealing furnace for bearing production
CN218059123U (en) * 2022-08-03 2022-12-16 树熊新材料科技(河源)股份有限公司 Annealing mechanism of grinding wheel
CN218812018U (en) * 2022-11-16 2023-04-07 浙江嘉阳轴承有限公司 Carburizing tool for heat treatment of bearing ring
CN117230299A (en) * 2023-09-19 2023-12-15 沃克比(瓦房店)轴承科技有限公司 Distributing device for bearing heat treatment
CN220537854U (en) * 2023-07-24 2024-02-27 南京升华南钢金属材料有限公司 Bearing steel wire continuous spheroidizing annealing device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210314388U (en) * 2019-07-23 2020-04-14 本田金属技术(佛山)有限公司 Heat treatment hanger
CN214120758U (en) * 2020-07-02 2021-09-03 王兴珍 Heating furnace for manufacturing tandem type bearings
CN114908244A (en) * 2022-04-09 2022-08-16 陈晓燕 Large-scale desk-top gas low temperature annealing stove
CN217265863U (en) * 2022-04-21 2022-08-23 宿州优嘉轴承科技有限公司 Annealing furnace for bearing production
CN114908227A (en) * 2022-05-20 2022-08-16 王有恒 Annealing method for automobile brake disc
CN218059123U (en) * 2022-08-03 2022-12-16 树熊新材料科技(河源)股份有限公司 Annealing mechanism of grinding wheel
CN218812018U (en) * 2022-11-16 2023-04-07 浙江嘉阳轴承有限公司 Carburizing tool for heat treatment of bearing ring
CN220537854U (en) * 2023-07-24 2024-02-27 南京升华南钢金属材料有限公司 Bearing steel wire continuous spheroidizing annealing device
CN117230299A (en) * 2023-09-19 2023-12-15 沃克比(瓦房店)轴承科技有限公司 Distributing device for bearing heat treatment

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