CN221051935U

CN221051935U - Fastener annealing device

Info

Publication number: CN221051935U
Application number: CN202322705796.8U
Authority: CN
Inventors: 卢镇辉
Original assignee: Wanlida Vacuum Hardware Heat Treatment Dongguan Co ltd
Current assignee: Wanlida Vacuum Hardware Heat Treatment Dongguan Co ltd
Filing date: 2023-10-09
Publication date: 2024-05-31
Anticipated expiration: 2033-10-09

Abstract

The utility model relates to the technical field of annealing processing, in particular to a fastener annealing device. The fastener annealing device comprises an outer furnace body, wherein supporting legs are arranged at two ends of the outer furnace body, and a temperature controller is arranged on the supporting leg at one end; the furnace liner is embedded in the outer furnace body, a plurality of protection sleeves are uniformly embedded in the furnace liner, electric heating rods are embedded in the protection sleeves, and the electric heating rods are electrically connected with the temperature controller through cables; the two hydraulic rods are symmetrically arranged on two sides of the outer furnace body, and the telescopic ends of the two hydraulic rods are commonly provided with a swinging frame; the accommodating assembly is provided with a plurality of groups, the plurality of groups of accommodating assemblies are rotatably arranged on the swinging frame, and the accommodating assembly comprises a rotating shaft, a storage barrel, an inner sleeve and a grid plate, and a driving piece for driving the rotating shaft to rotate is arranged on the swinging frame. The fastener annealing device provided by the utility model has the advantages of uniform annealing heating and convenience in feeding and discharging.

Description

Fastener annealing device

Technical Field

The utility model relates to the technical field of annealing processing, in particular to a fastener annealing device.

Background

The heat treatment process of heating the metal or alloy to a suitable temperature, holding it for a certain period of time, and then slowly cooling it is called annealing. The essence of annealing: the steel is heated to austenitize and then pearlite transformation is performed, and the annealed structure is a structure close to equilibrium.

However, in the existing annealing device for processed fasteners such as screws and nuts, batches of annealed fasteners are piled in an annealing furnace, so that the internal and external heating annealing of the batches of fasteners is easy to be heated unevenly, and the heat dissipation speed in the middle of a reactor core is low, so that the heat dissipation speed is uneven, and the annealing quality of the fasteners is affected

Accordingly, there is a need to provide a new fastener annealing device that addresses the above-described problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the fastener annealing device which is uniform in annealing heating and convenient in feeding and discharging.

The fastener annealing device provided by the utility model comprises: the two ends of the outer furnace body are provided with supporting legs, and the supporting legs at one end are provided with temperature controllers;

The furnace liner is embedded in the outer furnace body, a plurality of protection sleeves are uniformly embedded in the furnace liner, electric heating rods are embedded in the protection sleeves, and the electric heating rods are electrically connected with the temperature controller through cables;

the two hydraulic rods are symmetrically arranged on two sides of the outer furnace body, and the telescopic ends of the two hydraulic rods are commonly provided with a swinging frame;

Hold the subassembly, be equipped with the multiunit, the multiunit hold the subassembly and rotate and install on the swing frame, just hold the subassembly and include axis of rotation, receiving barrel, interior sleeve pipe and grid board, the axis of rotation is rotated and is installed on the swing frame, and the one end fixed welding of axis of rotation has the receiving barrel, the welding has interior sleeve pipe in the receiving barrel, evenly weld between interior sleeve pipe lateral wall and the inside wall of receiving barrel has a plurality of grid boards, install drive axis of rotation pivoted driving piece on the swing frame.

Preferably, the swing frame comprises a supporting end seat, a supporting rod, a sealing plate and a swing cylinder, wherein the two supporting end seats are respectively arranged on the telescopic ends of the two hydraulic rods, the supporting rods are rotatably arranged on the two supporting end seats, the sealing plate used for sealing one end of the outer furnace body is fixedly arranged on the supporting rods, the sealing plate is rotatably connected with the rotating shafts of the multiple groups of containing assemblies and used for driving the supporting rods to rotate, the swing cylinder is arranged on one supporting end seat, and a driving piece is arranged in the middle of the supporting rods.

Preferably, the inner side wall of the inner sleeve is in sliding fit with the outer side wall of the corresponding protective sleeve.

Preferably, the accommodating cylinder is uniformly provided with a plurality of heat conduction holes.

Preferably, the driving piece comprises a driving motor, a driving gear and a driven gear, wherein the driving motor is fixedly arranged in the middle of the supporting rod, the driving gear is fixedly sleeved on an output shaft of the driving motor, a plurality of driven gears are respectively sleeved on rotating shafts of the plurality of groups of containing components, and the driven gears are meshed with the driving gear.

Preferably, a radiating pipe is embedded in the middle of the furnace pipe, and a plurality of radiating holes are formed in the outer side wall of the radiating pipe.

Preferably, a honeycomb-shaped ceramic heat storage layer is embedded in an inner cavity of one end of the radiating pipe, which is positioned in the furnace, a control valve is embedded on one side of the radiating pipe, which is positioned on the ceramic heat storage layer, an exhaust fan is embedded on one side of the radiating pipe, which is positioned on the control valve, and the exhaust fan and the control valve are electrically connected with a temperature controller through cables.

Compared with the related art, the fastener annealing device provided by the utility model has the following advantages that

The beneficial effects are that:

1. The utility model provides a fastener annealing device, which is characterized in that a holding assembly is arranged on a swinging frame, and the holding assembly utilizes the cooperation of a rotating shaft, a holding barrel, an inner sleeve and a grid plate, so that fasteners can be uniformly placed in a furnace and are inserted into an electric heating rod, and then the holding barrel can be synchronously driven to rotate during annealing and heating by driving a driving piece, thereby enabling the fasteners in the holding barrel to be heated more uniformly and improving the annealing quality;

2. The swing frame utilizes the swing cylinder to drive and installs multiunit and holds the subassembly swing, and after utilizing the hydraulic stem to push out the subassembly that holds in the stove courage, during the material loading, will hold the subassembly swing to the receiving section of thick bamboo opening and go up the blowing, after annealing processing control receiving section of thick bamboo opening down can, the material loading is very convenient.

Drawings

FIG. 1 is a schematic view of a fastener annealing device according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of another view of the fastener annealing device provided by the utility model;

FIG. 3 is a schematic view of the internal structure of the furnace shown in FIG. 1;

FIG. 4 is a schematic view of the housing assembly shown in FIG. 1;

Fig. 5 is a schematic view of another view of the receiving assembly shown in fig. 1.

Reference numerals in the drawings: 1. an outer furnace body; 11. support legs; 2. a furnace pipe; 21. a protective sleeve; 22. an electric heating rod; 3. a temperature controller; 4. a hydraulic rod; 5. a swing frame; 51. a support end seat; 52. a support rod; 53. a sealing plate; 54. a swing cylinder; 6. a holding assembly; 61. a rotating shaft; 62. a storage barrel; 63. an inner sleeve; 64. a grid plate; 601. a heat conduction hole; 7. a driving member; 71. a driving motor; 72. a drive gear; 73. a driven gear; 8. a heat radiating pipe; 81. a ceramic heat storage layer; 82. a control valve; 83. and a fan.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 5, a fastener annealing device according to an embodiment of the utility model includes: the furnace comprises an outer furnace body 1, a furnace liner 2, a temperature controller 3, a hydraulic rod 4, a swinging frame 5, a holding assembly 6 and a driving piece 7.

The two ends of the outer furnace body 1 are provided with supporting legs 11, wherein the supporting legs 11 at one end are provided with temperature controllers 3, a furnace liner 2 is embedded in the outer furnace body 1, a plurality of protection sleeves 21 are uniformly embedded in the furnace liner 2, the plurality of protection sleeves 21 are embedded with electric heating rods 22, and the plurality of electric heating rods 22 are electrically connected with the temperature controllers 3 through cables;

The two hydraulic rods 4 are arranged, the two hydraulic rods 4 are symmetrically arranged on two sides of the outer furnace body 1, and the telescopic ends of the two hydraulic rods 4 are jointly provided with a swinging frame 5;

Hold subassembly 6, be equipped with the multiunit, multiunit holds subassembly 6 and rotates and install on swinging arms 5, and hold subassembly 6 and include axis of rotation 61, receiving section of thick bamboo 62, interior sleeve pipe 63 and grid plate 64, axis of rotation 61 rotates and installs on swinging arms 5, and the fixed welding of one end of axis of rotation 61 has receiving section of thick bamboo 62, has interior sleeve pipe 63 in the receiving section of thick bamboo 62, evenly welds a plurality of grid plates 64 between the lateral wall of interior sleeve pipe 63 and the inside wall of receiving section of thick bamboo 62, installs drive axis of rotation 61 pivoted driving piece 7 on the swinging arms 5.

Wherein, the inner side wall of the inner sleeve 63 is slidably engaged with the outer side wall of the corresponding protective sleeve 21, and the accommodating tube 62 is uniformly provided with a plurality of heat conducting holes 601.

It should be noted that: when the device is used, the two hydraulic rods 4 are controlled to extend to drive the multiple groups of containing assemblies 6 on the swinging frame 5 to withdraw from the furnace pipe 2, then the swinging frame 5 is controlled to control the containing barrels 62 of the multiple groups of containing assemblies 6 to face upwards, fasteners are placed in the containing barrels 62, after the fasteners are placed, the fasteners are controlled to be overturned to be horizontal, when the fasteners are overturned to be horizontal, the inner sleeves 63 of the multiple groups of containing assemblies 6 are aligned with the multiple protection sleeves 21, the hydraulic rods 4 are controlled to shrink, the inner sleeves 63 are inserted on the protection sleeves 21 until the sleeves shrink into the furnace pipe 2 completely, then the electric heating rods 22 are controlled to start through the temperature controller 3, the furnace pipe 2 is heated to 500-600 ℃, the heat is preserved for a period of time, the driving piece 7 is synchronously started to drive the rotating shafts 61 to drive the containing barrels 62 to rotate around the electric heating rods 22 when the heat is preserved, so that the fasteners can be heated in a rotating mode, the heat is enabled to be heated more uniformly, after the heat is preserved, the electric heating rods 22 are controlled to control the temperature in the furnace pipe 2 to be 350-400 ℃ for a period of time, the heat is preserved, after the heat is preserved, the heat is controlled to be kept to be 120 ℃ for a period of time, and the furnace pipe can be naturally cooled, and taken out after the heat is preserved.

Also to be described is: the temperature controller 3 is a temperature control device of an industrial high-temperature furnace body commonly used in the prior art, and the heating temperature is controlled by arranging a temperature sensor in the furnace 2 and controlling the power of the electric heating rod 22 through an industrial controller, so as to keep the temperature, and the specific working principle is not described herein.

In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the swing frame 5 includes a support end seat 51, a support rod 52, a sealing plate 53 and a swing cylinder 54, the two support end seats 51 are respectively mounted on telescopic ends of the two hydraulic rods 4, the support rod 52 is rotatably mounted on the two support end seats 51, the support rod 52 is fixedly mounted with the sealing plate 53 for sealing one end of the outer furnace body 1, the sealing plate 53 is rotatably connected with the rotating shafts 61 of the multiple groups of containing assemblies 6, the swing cylinder 54 for driving the support rod 52 to rotate is mounted on one of the support end seats 51, and the middle part of the support rod 52 is provided with the driving element 7;

The driving piece 7 comprises a driving motor 71, a driving gear 72 and driven gears 73, the driving motor 71 is fixedly arranged in the middle of the supporting rod 52, the driving gear 72 is fixedly sleeved on an output shaft of the driving motor 71, the driven gears 73 are respectively sleeved on the rotating shafts 61 of the multiple groups of containing assemblies 6, and the driven gears 73 are meshed with the driving gears 72.

It should be noted that: when the swinging frame 5 is used, after the hydraulic rod 4 stretches out of the holding assembly 6 and exits from the furnace 2, when a fastener needs to be added, the swinging cylinder 54 is controlled to drive the supporting rod 52 to drive the inner side wall of the sealing plate 53 (namely, one side provided with the holding cylinder 62) to rotate upwards for feeding, when blanking is needed after annealing, the swinging cylinder 54 is controlled to drive the supporting rod 52 to drive the inner side wall of the sealing plate 53 to rotate downwards, then feeding can be performed after reversing upwards, then the hydraulic rod 4 is controlled to shrink until the sealing plate 53 slides into the furnace 2, the furnace 2 is sealed, one end of the holding cylinder 62 is simultaneously in contact with the inside of the furnace 2 for sealing, then the driving motor 71 is started again during heating and later annealing, the driving motor 71 drives the driving gear 72 to rotate, and the driving gear 72 is meshed with the driven gears 73, so that the driven gears 73 drive the driven gears 61 to synchronously rotate, and the holding cylinder 62 is driven to rotate and heat inside the furnace 2.

In the embodiment of the present utility model, referring to fig. 1 and 3, a heat dissipating tube 8 is embedded in the middle of a furnace 2, and a plurality of heat dissipating holes are formed in the outer side wall of the heat dissipating tube 8;

The inner cavity of one end of the radiating pipe 8 positioned in the furnace liner 2 is embedded with a honeycomb-shaped ceramic heat storage layer 81, one side of the radiating pipe 8 positioned on the ceramic heat storage layer 81 is embedded with a control valve 82, one side of the radiating pipe 8 positioned on the control valve 82 is embedded with an exhaust fan 83, and the exhaust fan 83 and the control valve 82 are electrically connected with the temperature controller 3 through cables.

It should be noted that: after high-temperature heating, when cooling annealing is needed, the control valve 82 of the radiating pipe 8 is opened, then the exhaust fan 83 is controlled to start, cooling annealing is performed inside the furnace 2, and the cooling speed is controlled by controlling the power of the exhaust fan 83 and the opening of the control valve 82, so that the cooling speed of annealing is controlled accurately, and the annealing processing quality is higher.

The working principle of the fastener annealing device provided by the utility model is as follows:

When in use, the two hydraulic rods 4 are controlled to extend to drive the multiple groups of containing components 6 on the swinging frame 5 to withdraw from the furnace 2, the swinging cylinder 54 is controlled to drive the supporting rod 52 to drive the sealing plate 53 to rotate upwards, then the fastening piece is placed in the containing barrel 62, after the fastening piece is placed, the fastening piece is controlled to be overturned to be horizontal, when the fastening piece is overturned to be horizontal, the inner sleeves 63 of the multiple groups of containing components 6 are aligned with the multiple protection sleeves 21, then the hydraulic rods 4 are controlled to shrink, the inner sleeves 63 are inserted on the protection sleeves 21 until the sealing plate 53 slides into the furnace 2, the furnace 2 is sealed, one end of the containing barrel 62 is simultaneously contacted and sealed with the interior of the furnace 2, then the electric heating rod 22 is controlled to be started through the temperature controller 3, the furnace 2 is heated to 500-600 ℃, the heating is kept for a period of time, and the driving motor 71 is synchronously restarted when the heating and the heating is kept warm, the driving motor 71 drives the driving gear 72 to rotate, the driving gear 72 is meshed with the driven gears 73, so that the driven gears 73 drive the rotating shafts 61 to synchronously rotate, the accommodating cylinder 62 is driven to rotate and heat inside the furnace 2, the accommodating cylinder 62 with the fasteners rotates around the electric heating rod 22, the fasteners can be heated in a rotating mode, the fasteners are heated uniformly, after heat preservation, the electric heating rod 22 is controlled to be at 350-400 ℃ for heat preservation, after heat preservation is carried out for a period of time, the temperature is controlled to be at 120-180 ℃, after heat preservation is carried out for a period of time, when blanking is needed after annealing processing, the swinging cylinder 54 is controlled to drive the supporting rod 52 to drive the sealing plate 53 to rotate downwards, natural air cooling is taken out, and then the materials are reversely rotated to be fed upwards;

Wherein, when the cooling annealing after keeping warm, open the control valve 82 of cooling tube 8, then control exhaust fan 83 starts, carries out cooling annealing to furnace pipe 2 inside to through the power of control exhaust fan 83 and the aperture of control valve 82, control refrigerated speed, the accurate cooling rate of control annealing of being convenient for, thereby make annealing process quality higher.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A fastener annealing device comprising:

The device comprises an outer furnace body (1), wherein supporting legs (11) are arranged at two ends of the outer furnace body (1), and a temperature controller (3) is arranged on the supporting leg (11) at one end;

The furnace liner (2) is embedded in the outer furnace body (1), a plurality of protection sleeves (21) are uniformly embedded in the furnace liner (2), electric heating rods (22) are embedded in the protection sleeves (21), and the electric heating rods (22) are electrically connected with the temperature controller (3) through cables;

Characterized by further comprising:

The two hydraulic rods (4) are arranged, the two hydraulic rods (4) are symmetrically arranged on two sides of the outer furnace body (1), and the telescopic ends of the two hydraulic rods (4) are jointly provided with a swinging frame (5);

Containing subassembly (6), be equipped with the multiunit, the multiunit containing subassembly (6) rotate and install on swinging arms (5), just containing subassembly (6) include axis of rotation (61), take in section of thick bamboo (62), interior sleeve pipe (63) and grid board (64), axis of rotation (61) rotate and install on swinging arms (5), and the one end fixed welding of axis of rotation (61) has take in section of thick bamboo (62), the welding has interior sleeve pipe (63) in take in section of thick bamboo (62), evenly weld between the lateral wall of interior sleeve pipe (63) and the inside wall of take in section of thick bamboo (62) has a plurality of grid boards (64), install drive axis of rotation (61) pivoted driving piece (7) on swinging arms (5).

2. Fastener annealing device according to claim 1, characterized in that the swinging frame (5) comprises a supporting end seat (51), a supporting rod (52), a sealing plate (53) and a swinging cylinder (54), wherein two supporting end seats (51) are respectively arranged on the telescopic ends of two hydraulic rods (4), the supporting rod (52) is rotatably arranged on the two supporting end seats (51), the sealing plate (53) for sealing one end of the outer furnace body (1) is fixedly arranged on the supporting rod (52), the sealing plate (53) is rotatably connected with the rotating shafts (61) of the multiple groups of containing components (6), the swinging cylinder (54) for driving the supporting rod (52) to rotate is arranged on one supporting end seat (51), and a driving piece (7) is arranged in the middle of the supporting rod (52).

3. Fastener annealing device according to claim 1, characterized in that the inner side walls of the inner sleeves (63) are in sliding fit with the outer side walls of the corresponding protective sleeves (21).

4. The fastener annealing device of claim 1 wherein the receiving canister (62) is uniformly provided with a plurality of thermally conductive apertures (601).

5. The fastener annealing device according to claim 2, wherein the driving member (7) comprises a driving motor (71), a driving gear (72) and a driven gear (73), the driving motor (71) is fixedly installed in the middle of the supporting rod (52), the driving gear (72) is fixedly sleeved on an output shaft of the driving motor (71), a plurality of driven gears (73) are respectively sleeved on the rotating shafts (61) of the plurality of groups of containing assemblies (6), and the driven gears (73) are meshed with the driving gear (72).

6. The fastener annealing device according to claim 1, characterized in that a radiating pipe (8) is embedded in the middle of the furnace pipe (2), and a plurality of radiating holes are formed in the outer side wall of the radiating pipe (8).

7. The fastener annealing device according to claim 6, wherein a honeycomb-shaped ceramic heat storage layer (81) is embedded in an inner cavity of one end of the radiating pipe (8) located in the furnace pipe (2), a control valve (82) is embedded on one side of the radiating pipe (8) located in the ceramic heat storage layer (81), an exhaust fan (83) is embedded on one side of the radiating pipe (8) located in the control valve (82), and the exhaust fan (83) and the control valve (82) are electrically connected with the temperature controller (3) through cables.