Impurity removal fan shaft machining heat treatment device
By designing a heat treatment device with a chuck and contact adjustment mechanism, the problems of excessively deep quenching layer and uneven hardness of the impurity fan shaft were solved, achieving uniform quenching and stable rotation of the fan shaft, and improving the ease of use and applicability of the device.
Patent Information
- Application Number
- CN202520595498.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-01
AI Technical Summary
In the existing technology, the heat treatment of the exhaust fan shaft has the problem of uneven hardness due to excessively deep quenching layer, and the fan shaft position needs to be repeatedly adjusted to achieve uniform quenching, which is inconvenient to use.
A heat treatment device including a chuck, a heating coil, and a contact adjustment mechanism was designed. The contact position between the heating coil and the fan shaft is adjusted by translation and vertical components, and the fan shaft of different sizes is adapted by the pitch-adjusting drive component, so as to achieve stable rotation and uniform quenching of the fan shaft.
This achieves uniform contact between the heating coil and the fan shaft, avoiding uneven hardness caused by excessively deep quenching layers, and improving the ease of use and applicability of the device.
Smart Images

Figure CN223951100U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to fan shaft processing technical field, concretely relates to a kind of impurity fan shaft processing heat treatment device. BACKGROUND
[0002] As gas conveying equipment, dust removal fan is widely used in industrial production, and as a branch of centrifugal cylinder and induced draft fan, it is increasingly important due to its special use and impact on continuous industrial production. The impurity fan shaft is mainly used to connect the driving mechanism and the fan blade. During the production and processing of the impurity fan shaft, it needs to be heat treated.
[0003] In the prior art, the impurity fan shaft processing heat treatment exists for local wear resistance requirements by heating coil to quench the outer periphery. However, during actual quenching, the fan shaft is upright and stationary, which can easily make the fan shaft quenching layer too deep, resulting in uneven quenching hardness. The user needs to gradually adjust the contact position of the heating coil with the fan shaft to achieve uniform quenching of the outer periphery of the fan shaft, which is inconvenient and not conducive to use.
[0004] Therefore, there is a need for an impurity fan shaft processing heat treatment device to solve the problems of existing technology, such as the fan shaft quenching layer being too deep during actual quenching, resulting in uneven quenching hardness, and the need to repeatedly adjust the fan shaft to achieve uniform quenching of the outer periphery of the fan shaft. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an impurity fan shaft processing heat treatment device to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an impurity fan shaft processing heat treatment device, comprising a base, a support disposed on both sides of the middle position of the top of the base, a chuck disposed on the side of the two supports close to each other, a heating coil disposed at the middle position of the two chucks, and a contact adjusting mechanism acting on the heating coil.
[0007] The contact adjusting mechanism comprises a moving plate disposed at the bottom of the heating coil, an opening opened at the top of the base at the bottom of the moving plate, an embedded shaft fixed in the inner cavity of the opening, a positioning block slidingly sleeved on the outer periphery of the embedded shaft, a translation assembly acting on the moving plate, and a vertical moving assembly acting on the heating coil. The top of the positioning block is fixed to the surface of the bottom of the moving plate.
[0008] It needs to be explained in the scheme that the translation component includes a strip groove opened in the top of the base and located at the other end of the bottom of the moving plate, a rack fixed to the inner wall of the strip groove, a circular gear engaged with one end of the rack, and a second motor fixed to the top of the moving plate, and the output end of the second motor passes through the moving plate and is fixed to the inner wall of the circular gear.
[0009] Further, it is worth mentioning that the vertical moving component includes a second threaded rod rotatably connected to the top of the moving plate and located at one end of the heating coil, a second threaded sleeve threadedly connected to the outer peripheral surface of the second threaded rod, and a limiting shaft slidingly inserted into the surface of the second threaded sleeve.
[0010] Further, it is worth mentioning that the contact adjusting mechanism further includes a distance adjusting drive rotating component acting on the support, and the distance adjusting drive rotating component includes a rod groove opened in the top of the base and located at the middle position of the bottom of the support.
[0011] As a preferred embodiment, the distance adjusting drive rotating component further includes a first threaded sleeve threadedly connected to the outer peripheral surface of the first threaded rod on both sides, and the top of the first threaded sleeve is fixed to the surface of the bottom of the support at the adjacent position.
[0012] As a preferred embodiment, the distance adjusting drive rotating component further includes a movable shaft fixed to the side away from each other of the chuck, a first motor fixed to the surface of one of the supports, a rotating shaft rotatably connected to one end of the side close to each other of the support, a belt pulley fixedly sleeved on the outer peripheral surface of the rotating shaft and the movable shaft, a connecting belt arranged at the middle position of the two adjacent belt pulleys, a resisting groove penetratingly arranged at the middle position of one of the rotating shafts, and a resisting column fixed to one side of the other rotating shaft.
[0013] As a preferred embodiment, the resisting column and the adjacent resisting groove are in sliding connection, one of the movable shafts is in sliding connection with the adjacent support, one side of one of the movable shafts is in rotating connection with the surface of the adjacent support, and one side of the other movable shaft passes through the other support and is fixed to the output end of the first motor.
[0014] Compared with the prior art, the impurity removal fan shaft machining and heat treatment device has at least the following beneficial effects:
[0015] (1) by the fan shaft through the chuck both sides by the fixed, and by starting the second motor in the gear and rack meshing under the action of the moving plate can drive the heating coil along the horizontal direction movement, so as to adjust the heating coil and the contact position of the fan shaft, so as to prevent the fan shaft appears quenching layer too deep caused by quenching hardness uneven situation occurs, thus without repeatedly adjusting the position of the fan shaft and repeatedly fixed, thus improve the use convenience of the device to improve the applicability of the device.
[0016] (2) by rotating the first threaded rod can adjust the distance between the two chuck, and rotate the second threaded rod so that the heating coil can move along the vertical direction, thus can be fixed to the mechanical of different length size of the fan shaft, and make the inner wall of the heating coil can be in contact with the fan shaft of different diameter size, and after starting the first motor can drive the two chuck rotation drive fan shaft rotation, and make the fan shaft rotation process more stable, so that the heating coil same circumferential position gradually with the heating coil inner wall contact, thereby further improve the applicability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the front view of the three-dimensional structure of the schematic diagram of the utility model;
[0018] Figure 2 is the structure of the utility model in Figure 1 A place of the structure of the schematic diagram of the utility model;
[0019] Figure 3 is the structure of the utility model in Figure 1 B place of the structure of the schematic diagram of the utility model;
[0020] Figure 4 is the three-dimensional structure of the schematic diagram of the utility model of the top view.
[0021] In the figure: 1, base; 2, support; 3, chuck; 4, moving plate; 5, heating coil; 6, rod groove; 7, first threaded rod; 8, first threaded sleeve; 9, second threaded rod; 10, limit shaft; 11, second threaded sleeve; 12, opening; 13, positioning block; 14, first motor; 15, second motor; 16, slot; 17, rack; 18, gear; 19, movable shaft; 20, rotating shaft; 21, pulley; 22, connecting belt; 23, resistance groove; 24, resistance column; 25, embedded shaft. DETAILED DESCRIPTION
[0022] Please refer to Figures 1-4The utility model provides a kind of miscellaneous fan shaft processing heat treatment device, including base 1, the support 2 of being set to the both sides of the middle position of the top of base 1, chuck 3 being set to the side of mutual approach of two supports 2, heating coil 5 being set to the middle position of two chucks 3 and contact adjusting mechanism acting on heating coil 5;
[0023] Contact adjusting mechanism includes moving plate 4 being set to the bottom of heating coil 5, opening 12 being opened in the top of base 1 and being located at the bottom of moving plate 4 one end, inner embedded shaft 25 being fixed in the inner cavity of opening 12, positioning block 13 being slidably set on the outer circumferential surface of inner embedded shaft 25, translation assembly acting on moving plate 4 and vertical moving assembly acting on heating coil 5, the top of positioning block 13 is fixed with the surface of the bottom of moving plate 4;
[0024] By passing fan shaft through heating coil 5, and the two sides of heating coil 5 are extended to the inside of chuck 3, so as to operate chuck 3 and hold the two sides of fan shaft, and the height of heating coil 5 is adjusted by vertical moving assembly until the inner wall of heating coil 5 is contacted with the outer circumferential surface of fan shaft, so that the inner wall of heating coil 5 can be contacted with fan shaft of different diameter size, and moving plate 4 is adjusted along horizontal direction under the action of translation assembly, so that heating coil 5 moves along horizontal direction under the connection action of vertical moving assembly, so that the inner wall of heating coil 5 is gradually contacted with the same axial position of fan shaft, so that heating coil 5 can quench the same axial position of fan shaft gradually after heating coil 5 is turned on, so that the same axial position of fan shaft is quenched without repeatedly adjusting the position and fixing, so as to improve the use convenience of the device;
[0025] Please refer to Figures 1-4 Translation assembly includes strip groove 16 being opened in the top of base 1 and being located at the other end of the bottom of moving plate 4, rack 17 being fixed in the inner wall of strip groove 16, circular gear 18 being engaged and arranged at one end of rack 17 and second motor 15 being fixed in the top of moving plate 4, and the output end of second motor 15 passes through moving plate 4 and is fixed with the inner wall of circular gear 18;
[0026] By starting second motor 15, the output end of second motor 15 drives circular gear 18 to rotate, since positioning block 13 can only slide in the inner cavity of opening 12 along the outer circumferential surface of inner embedded shaft 25, so as to limit the movement track of moving plate 4, so that moving plate 4 can move along horizontal direction under the action force generated between circular gear 18 and rack 17, so as to drive heating coil 5 to move along horizontal direction and adjust the contact position of the inner wall of heating coil 5 and the same axial position of fan shaft.
[0027] Please refer to Figures 1-4The vertical moving assembly comprises a second threaded rod 9 rotatably connected to the top of the moving plate 4 at one end of the heating coil 5, a second threaded sleeve 11 threadedly connected to the outer circumferential surface of the second threaded rod 9, and a limiting shaft 10 penetratingly and slidingly arranged on the surface of the second threaded sleeve 11, the bottom of the limiting shaft 10 being fixed to the surface of the top of the moving plate 4;
[0028] When the second threaded rod 9 is rotated, the limiting shaft 10 can limit the movement track of the second threaded sleeve 11 so that the second threaded sleeve 11 can only move in the vertical direction, thereby driving the heating coil 5 to move in the vertical direction under the cooperation between the inner wall of the second threaded sleeve 11 and the external thread structure of the outer circumferential surface of the second threaded rod 9, so that the inner wall of the heating coil 5 can be in contact with the fan shafts of different diameters.
[0029] Please refer to Figures 1-4 The contact adjusting mechanism further comprises a distance adjusting driving assembly acting on the support 2, the distance adjusting assembly comprising a rod groove 6 opened at the top of the base 1 at the middle position of the bottom of the support 2, a first threaded rod 7 rotatably connected to the inner cavity of the rod groove 6, and a first threaded sleeve 8 threadedly connected to the outer circumferential surface of the first threaded rod 7 on both sides, the top of the first threaded sleeve 8 being fixed to the surface of the bottom of the support 2 at the adjacent position;
[0030] When the first threaded rod 7 is rotated, the inner wall of the rod groove 6 can limit the two first threaded sleeves 8, and the external thread structures on both sides of the outer circumferential surface of the first threaded rod 7 are oppositely arranged, so that the support 2 can move towards each other or away from each other under the cooperation of the thread structures between the outer circumferential surface of the first threaded rod 7 and the inner wall of the first threaded sleeve 8 at the adjacent position, thereby adjusting the distance between the two chucks 3 to adapt to the fixing operation of the fan shafts of different lengths.
[0031] Please refer to Figures 1-4 The distance adjusting driving assembly further comprises a movable shaft 19 fixed to the side of the chuck 3 away from each other, a first motor 14 fixed to the surface of one of the supports 2, a rotating shaft 20 rotatably connected to one end of the side of the support 2 close to each other, a belt pulley 21 fixedly sleeved on the outer circumferential surface of the rotating shaft 20 and the movable shaft 19, a connecting belt 22 arranged at the middle position of the two adjacent belt pulleys 21, a contact groove 23 penetratingly arranged at the middle position of one of the rotating shafts 20, a contact column 24 fixed to the side of the other rotating shaft 20, the contact column 24 being slidingly connected with the contact groove 23 at the adjacent position, the contact column 24 being slidingly connected with one of the supports 2, one side of one of the movable shafts 19 being rotatably connected with the surface of the support 2 at the adjacent position, the other side of the other movable shaft 19 penetrating through the other support 2 and being fixed to the output end of the first motor 14;
[0032] By starting the first motor 14, the first motor 14 drives one of the movable shafts 19 to rotate, drives one of the pulleys 21 to rotate, drives the other pulley 21 to rotate under the connection of the adjacent position connecting belt 22, drives one of the rotating shafts 20 to rotate under the connection of the other pulley 21 and the connecting belt 22, drives the abutting column 24 to rotate, drives the other rotating shaft 20 to rotate under the abutting action of the abutting column 24 and the inner wall of the abutting groove 23, drives the other movable shaft 19 to rotate under the connection of the other group of pulleys 21 and the connecting belt 22, and drives the two chucks 3 to rotate synchronously and in the same direction, so that the fan shaft clamped by the chuck 3 can rotate smoothly, and the contact position of the inner wall of the heating coil 5 and the circumferential position of the fan shaft is adjusted. Thus, by gradually adjusting the contact position of the fan shaft and the inner wall of the heating coil 5, the situation that the quenching hardness is uneven due to the quenching layer being too deep on the fan shaft is prevented.
Claims
1. A kind of impurity fan shaft processing heat treatment device, including base (1), the support (2) of being set to the middle position at the top of the base (1) both sides, chuck (3) is set to the side of two described support (2) close to each other, heating coil (5) is set to the middle position of two described chuck (3), it is characterized by: Also include contact adjustment mechanism acting on the heating coil (5); The contact adjustment mechanism comprises a moving plate (4) arranged at the bottom of the heating coil (5), an opening (12) opened at the top of the base (1) and located at one end of the bottom of the moving plate (4), an embedded shaft (25) fixed in the inner cavity of the opening (12), a positioning block (13) slidingly sleeved on the outer surface of the embedded shaft (25), a translation assembly acting on the moving plate (4), and a vertical moving assembly acting on the heating coil (5), the top of the positioning block (13) is fixed with the surface of the bottom of the moving plate (4).
2. A device for heat treatment of a fan shaft of a cleaner according to claim 1, characterized in that: The translation assembly comprises a strip groove (16) opened at the top of the base (1) and located at the other end of the bottom of the moving plate (4), a rack (17) fixed on the inner wall of the strip groove (16), a circular gear (18) engaged with one end of the rack (17), and a second motor (15) fixed on the top of the moving plate (4), the output end of the second motor (15) passes through the moving plate (4) and is fixed with the inner wall of the circular gear (18).
3. A device for heat treatment of a fan shaft of an impurity removal fan according to claim 1, characterized in that: The vertical moving assembly comprises a second threaded rod (9) rotatably connected to the top of the moving plate (4) and located at one end of the heating coil (5), a second threaded sleeve (11) threadedly connected to the outer surface of the second threaded rod (9), and a limiting shaft (10) slidingly inserted into the surface of the second threaded sleeve (11), the bottom of the limiting shaft (10) is fixed with the surface of the top of the moving plate (4).
4. The impeller shaft machining heat treatment apparatus of claim 3, wherein: The contact adjustment mechanism further comprises a distance adjustment driving assembly acting on the support (2), the distance adjustment driving assembly comprises a rod groove (6) opened at the top of the base (1) and located at the middle position of the bottom of the support (2).
5. A device for heat treatment of a fan shaft of an impurity removal fan according to claim 4, characterized in that: The distance adjustment driving assembly further comprises a first threaded sleeve (8) threadedly connected to the outer surface of the first threaded rod (7) on both sides, and the top of the first threaded sleeve (8) is fixed with the surface of the bottom of the adjacent position support (2).
6. A device for heat treatment of a fan shaft of an impurity removal fan according to claim 5, characterized in that: The distance adjustment driving assembly further comprises a movable shaft (19) fixed to the side away from each other of the chuck (3), a first motor (14) fixed to the surface of one of the supports (2), a rotating shaft (20) rotatably connected to one end of the side close to each other of the support (2), a belt pulley (21) fixedly sleeved on the outer surface of the rotating shaft (20) and the movable shaft (19), a connecting belt (22) arranged at the middle position of two adjacent position belt pulleys (21), a resisting groove (23) penetratingly opened at the middle position of one of the rotating shafts (20), and a resisting column (24) fixed to the side of the other rotating shaft (20).
7. A device for heat treatment of a fan shaft of an impurity removal fan according to claim 6, characterized in that: The abutment column (24) is in sliding connection with the abutment groove (23) and in sliding connection with one of the supports (2). One side of one of the movable shafts (19) is in rotational connection with the surface of the support (2), and the other side of the other movable shaft (19) passes through the other support (2) and is fixed to the output end of the first motor (14).