Tempering furnace for spring processing

Abstract

The utility model is applicable to the technical field of spring processing, and provides a spring processing tempering furnace, which comprises a tempering furnace body, a heating mechanism is arranged on the tempering furnace body, the heating mechanism is used for heating the inside of the tempering furnace body, and two mounting shafts are arranged in the tempering furnace body; the plurality of placing net racks are fixedly mounted on the mounting shaft, and the placing net racks are used for placing springs; the drainage cover is fixedly mounted at the top of the tempering furnace body; the flow guide pipe is fixedly arranged in the tempering furnace body; and the flow guide pipe is communicated with the flow guide cover. According to the spring processing tempering furnace provided by the scheme, a spring can be subjected to tempering treatment, internal hot air flow can be well circularly guided, the uniformity of the internal temperature is improved, the spring is uniformly heated, the hardness distribution uniformity of the spring is improved, the strength and toughness of the spring are enhanced, and then the spring tempering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spring processing technical field especially relates to a spring processing annealing furnace. BACKGROUND

[0002] Spring is a kind of mechanical parts using elasticity to work.Parts made of elastic material are deformed under the action of external force and restore to original shape after removing external force.

[0003] In the process of processing spring, the spring is treated by annealing furnace, but some spring processing annealing furnace still has certain deficiency in actual use, when the spring is heated by annealing furnace, the heat in the annealing furnace is continuously heated, and the high-temperature gas continuously rises and accumulates on the top of the annealing furnace due to low density, and some common spring processing annealing furnace lacks the function of guiding the internal gas, so that the temperature in the spring processing annealing furnace is not uniform, and the spring is heated unevenly, so that the hardness of the spring is uneven, the strength and toughness of the spring are reduced, and the effect of spring annealing is reduced. UTILITY MODEL CONTENTS

[0004] The utility model provides a spring processing annealing furnace, aims at solving the problem of lacking heat gas circulation and guiding of the currently used spring processing annealing furnace.

[0005] To solve the above problems, the utility model is realized in this way, a kind of spring processing annealing furnace, it include: annealing furnace body, heating mechanism is arranged on the annealing furnace body, the heating mechanism is used to heat in the annealing furnace body, two installation shafts are arranged in the annealing furnace body;Multiple placement grid frames are fixedly installed on the installation shaft, and the placement grid frame is used to place spring;Drainage cover is fixedly installed on the top of the annealing furnace body;Flow guide pipe is fixedly installed in the annealing furnace body, and the flow guide pipe is communicated with the drainage cover;Drainage mechanism is assembled on the annealing furnace body and the drainage cover, and the drainage mechanism is used to guide the hot gas on the top of the annealing furnace body;Rotating mechanism is assembled on the annealing furnace body and the installation shaft, and the rotating mechanism is used to drive the spring in the placement grid frame to rotate;Flow guide mechanism is assembled on the annealing furnace body and the flow guide pipe, and the flow guide mechanism is used to guide the hot gas on the top of the annealing furnace body to the bottom of the annealing furnace body.

[0006] Preferably, the flow guide mechanism comprises: a driving motor fixedly installed on the top of the tempering furnace body; a rotating shaft rotatably installed on the tempering furnace body and the flow guide cover, one end of the rotating shaft being fixedly connected with the output shaft of the driving motor; and a plurality of first flow guide vanes fixedly installed on the rotating shaft.

[0007] Preferably, the rotating mechanism comprises: a servo motor fixedly installed on the bottom of the tempering furnace body; two placing shafts rotatably installed on the bottom of the tempering furnace body, the two placing shafts being connected with the two installation shafts respectively, and one end of one of the placing shafts being fixedly connected with the output shaft of the servo motor; two first chain wheels fixedly sleeved on the two placing shafts respectively, and a first chain being sleeved on the two first chain wheels.

[0008] Preferably, the top of the placing shaft is fixedly installed with a positioning frame, the bottom of the installation shaft is fixedly installed with a positioning block, the positioning block is in a rectangular shape, and the positioning block and the positioning frame are adaptively connected.

[0009] Preferably, the flow guide mechanism comprises: a driving shaft rotatably installed on the tempering furnace body; second flow guide vanes fixedly installed on the driving shaft, the second flow guide vanes being located inside the flow guide pipe; two second chain wheels fixedly sleeved on the driving shaft and the placing shaft respectively; and a second chain sleeved on the two second chain wheels.

[0010] Preferably, the tempering furnace body is provided with a limiting mechanism for limiting the installation shaft, the limiting mechanism comprising: a positioning seat arranged in the tempering furnace body, the positioning seat being adaptively connected with the installation shaft; an installation frame fixedly installed on the positioning seat; and an installation plate fixedly installed in the tempering furnace body, the installation plate being provided with installation bolts, and the installation plate being fixedly connected with the installation frame through the installation bolts.

[0011] Preferably, a sliding frame is fixedly installed on the inner wall of the bottom of the tempering furnace body, the sliding frame is in a ring shape, and a sliding block is fixedly installed on the bottom of the placing net rack, the sliding block being slidably connected with the sliding frame.

[0012] Compared with the related art, the spring processing tempering furnace has the following beneficial effects:

[0013] Compared with the prior art, the spring processing tempering furnace provided by the present scheme has the following advantages:

[0014] Through the whole device, the spring can be tempered, the internal hot air flow can be well circulated and guided, the internal temperature uniformity can be improved, the spring can be uniformly heated, the spring hardness distribution uniformity can be improved, the strength and toughness of the spring can be strengthened, and thus the spring tempering effect can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a spring processing and tempering furnace provided by the utility model;

[0016] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG;

[0018] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG.

[0019] Figure markings: 1. tempering furnace body; 2. heating mechanism; 3. mounting shaft; 301, positioning block; 4. placement grid; 5. drainage hood; 6. guide pipe; 7. driving motor; 8. rotating shaft; 9. first drainage blade; 10. servo motor; 11. placement shaft; 1101, positioning frame; 12. first sprocket; 13. first chain; 14. driving shaft; 15. second drainage blade; 16. second sprocket; 17. second chain; 18. positioning seat; 19. mounting frame; 20. mounting plate; 21. mounting bolt; 22. slide; 23. slider. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0021] Reference to“an embodiment” herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment. The appearances of the phrase“in one embodiment” in various places in the specification are not necessarily referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0022] The utility model embodiment provides a spring processing annealing furnace, such as Figure 1-4 As shown in the figure, the spring processing annealing furnace comprises: an annealing furnace body 1, a heating mechanism 2 is arranged on the annealing furnace body 1, the heating mechanism 2 is used for heating in the annealing furnace body 1, two mounting shafts 3 are arranged in the annealing furnace body 1;A plurality of placing grid frames 4 are fixedly installed on the mounting shaft 3, the placing grid frame 4 is used for placing spring;A flow guide cover 5 is fixedly installed on the top of the annealing furnace body 1;A flow guide pipe 6 is fixedly installed in the annealing furnace body 1, the flow guide pipe 6 and the flow guide cover 5 are communicated;A flow guide mechanism is assembled on the annealing furnace body 1 and the flow guide cover 5, the flow guide mechanism is used for guiding the hot gas on the top of the annealing furnace body 1;A rotating mechanism is assembled on the annealing furnace body 1 and the mounting shaft 3, the rotating mechanism is used for driving the spring in the placing grid frame 4 to rotate;A flow guide mechanism is assembled on the annealing furnace body 1 and the flow guide pipe 6, the flow guide mechanism is used for guiding the hot gas on the top of the annealing furnace body 1 to the bottom of the annealing furnace body 1.

[0023] In the embodiment, when the spring is annealed, the spring is placed in the placing grid frame 4, and then the heating mechanism 2 is started by the controller to heat and anneal the spring in the annealing furnace body 1, when annealing, the rotating mechanism is started by the controller to drive the mounting shaft 3 to rotate, so as to drive the spring in the placing grid frame 4 to rotate, the rotating placing grid frame 4 can stir the hot gas flow in the annealing furnace body 1, so that the hot gas flow in the annealing furnace body 1 is more uniform, and the spring in the placing grid frame 4 can be contacted with the hot gas flow at different positions, so as to improve the uniformity of the spring heated;

[0024] Meanwhile, when tempering, the controller starts the flow guide mechanism, the flow guide mechanism guides the hot gas at the top of the tempering furnace body 1 into the flow guide cover 5, the hot gas in the flow guide cover 5 enters the flow guide pipe 6, and when the rotating mechanism is used, the flow guide mechanism can guide the hot gas in the flow guide pipe 6 to the bottom of the tempering furnace body 1, so that the hot gas gathered at the top of the tempering furnace body 1 is continuously guided to the bottom of the tempering furnace body 1, and the hot gas in the tempering furnace body 1 is circulated up and down, so that the hot gas in the tempering furnace body 1 is more uniform, the temperature uniformity of the tempering furnace body 1 is improved, the spring is uniformly heated, the uniformity of the spring hardness distribution is improved, the strength and toughness of the spring are improved, and the spring tempering effect is improved. Through the whole device, the spring can be tempered, the internal hot gas flow can be well circulated and guided, the internal temperature uniformity is improved, the spring is uniformly heated, the uniformity of the spring hardness distribution is improved, the strength and toughness of the spring are improved, and the spring tempering effect is improved.

[0025] In the further preferred embodiment of the utility model, the flow guide mechanism comprises: a drive motor 7 fixedly installed at the top of the tempering furnace body 1;A rotating shaft 8 rotatably installed on the tempering furnace body 1 and the flow guide cover 5, one end of the rotating shaft 8 is fixedly connected with the output shaft of the drive motor 7;A plurality of first flow guide vanes 9 fixedly installed on the rotating shaft 8.

[0026] In the embodiment, when the flow guide mechanism is used, the first flow guide vanes 9 on the rotating shaft 8 are driven to rotate by the drive motor 7 started by the controller, so that the hot gas at the top of the tempering furnace body 1 can be guided into the flow guide cover 5, the hot gas in the flow guide cover 5 enters the flow guide pipe 6, and the hot gas at the top of the tempering furnace body 1 is circulated to the bottom.

[0027] In the further preferred embodiment of the utility model, the rotating mechanism comprises: a servo motor 10 fixedly installed at the bottom of the tempering furnace body 1;Two placement shafts 11 rotatably installed at the bottom of the tempering furnace body 1, the two placement shafts 11 are respectively connected with the two mounting shafts 3, and one end of one of the placement shafts 11 is fixedly connected with the output shaft of the servo motor 10;Two first sprockets 12 fixedly sleeved on the two placement shafts 11, and a first chain 13 is sleeved on the two first sprockets 12.

[0028] In the embodiment, when the rotating mechanism is used, the servo motor 10 is started by the controller, and the two placing shafts 11 are driven to rotate under the cooperation of the first sprocket 12 and the first chain 13, so that the spring in the placing rack 4 on the mounting shaft 3 is driven to rotate, the rotating placing rack 4 can stir the hot air flow in the annealing furnace body 1, so that the hot air flow in the annealing furnace body 1 is more uniform, and the uniformity of the spring heated can be improved.

[0029] In the further preferred embodiment of the utility model, the top of the placing shaft 11 is fixedly provided with a positioning frame 1101, the bottom of the mounting shaft 3 is fixedly provided with a positioning block 301, the positioning block 301 is in rectangular shape, and the positioning block 301 and the positioning frame 1101 are adaptively connected.

[0030] In the embodiment, the positioning block 301 and the positioning frame 1101 are cooperated to facilitate the disassembly of the mounting shaft 3, and the mounting shaft 3 is conveniently removed from the annealing furnace body 1, so that the unloaded spring after annealing is conveniently unloaded.

[0031] In the further preferred embodiment of the utility model, the flow guide mechanism comprises a driving shaft 14 rotatably mounted on the annealing furnace body 1, a second flow guide vane 15 fixedly mounted on the driving shaft 14, the second flow guide vane 15 being located in the interior of the flow guide pipe 6, two second sprockets 16 respectively fixedly sleeved on the driving shaft 14 and the placing shaft 11, and a second chain 17 sleeved on the two second sprockets 16.

[0032] In the embodiment, when the placing shaft 11 rotates, the second flow guide vane 15 on the driving shaft 14 is driven to rotate under the cooperation of the second sprocket 16 and the second chain 17, the second flow guide vane 15 guides the hot air in the flow guide pipe 6 from top to bottom, and the hot air in the flow guide pipe 6 is guided to the bottom of the annealing furnace body 1.

[0033] In the further preferred embodiment of the utility model, the annealing furnace body 1 is provided with a limiting mechanism for limiting the mounting shaft 3, the limiting mechanism comprises a positioning seat 18 arranged in the annealing furnace body 1, the positioning seat 18 and the mounting shaft 3 are adaptively connected, a mounting frame 19 fixedly mounted on the positioning seat 18, and a mounting plate 20 fixedly mounted in the annealing furnace body 1, the mounting plate 20 is provided with mounting bolts 21, and the mounting plate 20 is fixedly connected with the mounting frame 19 through the mounting bolts 21.

[0034] In the embodiment, the mounting shaft 3 can be positioned by the positioning seat 18, the stability of the mounting shaft 3 during rotation is improved, the positioning seat 18 is sleeved on the top of the mounting shaft 3, the mounting shaft 3 can rotate in the positioning seat 18, when the mounting shaft 3 needs to be disassembled, the mounting bolt 21 is disassembled from the mounting frame 19 and the mounting plate 20, the positioning seat 18 and the mounting shaft 3 can be separated, and the mounting shaft 3 can be disassembled.

[0035] In the further preferred embodiment of the utility model, the bottom inner wall of the annealing furnace body 1 is fixedly provided with a sliding frame 22, the sliding frame 22 is annular, the bottom of the placing grid 4 is fixedly provided with a sliding block 23, and the sliding block 23 is slidably connected with the sliding frame 22.

[0036] In the embodiment, the stability of the mounting shaft 3 during rotation can be improved through the cooperation of the sliding block 23 and the sliding frame 22, and the sliding block 23 and the sliding frame 22 can be separated.

[0037] In summary, compared with the related art, through the whole device, the spring can be annealed, the internal hot air flow can be well circulated and guided, the internal temperature uniformity is improved, the spring is uniformly heated, the spring hardness distribution uniformity is improved, the strength and toughness of the spring are strengthened, and the spring annealing effect is improved.

[0038] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in the embodiments of the utility model according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the utility model, and these technical solutions also belong to the scope of the utility model.

Claims

1. A spring processing tempering furnace, characterized in that: include: A tempering furnace body, wherein the tempering furnace body is provided with a heating mechanism for heating the interior of the tempering furnace body, and two mounting shafts are provided in the tempering furnace body; A plurality of placement racks fixedly mounted on the mounting shaft, the placement racks being used to place springs; A drainage hood fixedly mounted on the top of the tempering furnace body; A flow guide pipe fixedly installed in the tempering furnace body, the flow guide pipe being in communication with the flow guide cover; A drainage mechanism mounted on the tempering furnace body and the drainage cover, the drainage mechanism being used to drain the hot air from the top of the tempering furnace body; A rotating mechanism assembled on the tempering furnace body and the mounting shaft, the rotating mechanism being used to drive the spring in the placement grid to rotate; A flow guiding mechanism is assembled on the tempering furnace body and the flow guiding pipe, and is used for guiding the hot gas at the top of the tempering furnace body to the bottom of the tempering furnace body.

2. The spring processing and tempering furnace according to claim 1, characterized in that: The drainage mechanism comprises: A drive motor fixedly mounted on the top of the tempering furnace body; A rotating shaft is rotatably mounted on the tempering furnace body and the draft cover, one end of the rotating shaft being fixedly connected to the output shaft of the driving motor; A plurality of first flow-guiding blades are fixedly mounted on the rotating shaft.

3. The spring processing and tempering furnace according to claim 1, characterized in that: The rotating mechanism comprises: A servo motor fixedly mounted on the bottom of the tempering furnace body; Rotating two placement shafts installed at the bottom of the tempering furnace body, the two placement shafts are respectively connected to the two installation shafts, and one end of one of the placement shafts is fixedly connected to the output shaft of the servo motor; Two first sprockets are respectively fixedly sleeved on the two placement shafts, and a first chain is sleeved on the two first sprockets.

4. The spring processing and tempering furnace according to claim 3, characterized in that: A positioning frame is fixedly installed on the top of the placement shaft, and a positioning block is fixedly installed on the bottom of the installation shaft. The positioning block is rectangular and is adaptively connected to the positioning frame.

5. The spring processing and tempering furnace according to claim 3, characterized in that: The flow guiding mechanism comprises: Rotating a drive shaft mounted on the tempering furnace body; a second drainage fan blade fixedly mounted on the drive shaft, the second drainage fan blade being located inside the guide tube; Two second sprockets are fixedly mounted on the driving shaft and the placement shaft respectively; A second chain is sleeved on the two second sprockets.

6. The spring processing and tempering furnace according to claim 1, characterized in that: The tempering furnace body is provided with a limiting mechanism for limiting the mounting shaft, and the limiting mechanism includes: A positioning seat is provided in the tempering furnace body, wherein the positioning seat is adapted to be connected with the mounting shaft; A mounting frame fixedly mounted on the positioning seat; A mounting plate is fixedly mounted in the tempering furnace body, wherein mounting bolts are provided on the mounting plate, and the mounting plate is fixedly connected to the mounting frame via the mounting bolts.

7. The spring processing and tempering furnace according to claim 1, characterized in that: A slide is fixedly mounted on the inner wall of the bottom of the tempering furnace body, and the slide is arranged in a ring shape. A slider is fixedly mounted on the bottom of the grid, and the slider is slidably connected to the slide.

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