CN210974768U

CN210974768U - Heat treatment device for anchor ring thermal refining

Info

Publication number: CN210974768U
Application number: CN201922038879.XU
Authority: CN
Inventors: 卞波
Original assignee: Kaifeng Great Wall Prestressed Co ltd
Current assignee: Kaifeng Great Wall Prestressed Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-10
Anticipated expiration: 2029-11-23

Abstract

The utility model relates to a heat treatment device for anchor ring thermal refining, which comprises an outer shell, the shell inside be provided with electric heating pipe, the below of conveying board is provided with the bottom plate, be provided with initiative drive pivot and driven drive pivot between bottom plate and the conveying board, the distance of conveying board one end apart from the bottom plate is not less than the distance of conveying board other end apart from the bottom plate, evenly be provided with a plurality of spring cylinders between bottom plate and the conveying board, it is equipped with the driving plate respectively to overlap fixedly on initiative drive pivot and the driven drive pivot, swing joint between driving plate and the conveying board bottom surface, the fixed driving motor that is provided with on the bottom plate, be equipped with first transmission between driving motor and the initiative drive pivot, be equipped with the second transmission between initiative drive pivot and the driven drive pivot; the time required for placing and taking out the anchor ring semi-finished product to be heated and quenched from the heating device shortens the process flow and improves the working efficiency; the utility model discloses convenient to use has extensive market prospect.

Description

Heat treatment device for anchor ring thermal refining

Technical Field

The utility model relates to a thermal treatment field of anchor ring quenching and tempering, concretely relates to a thermal treatment device for anchor ring quenching and tempering.

Background

The thermal refining is a double heat treatment method of quenching and high-temperature tempering, and aims to ensure that a workpiece has good comprehensive mechanical properties. High temperature annealing refers to annealing at 500-650 ℃. The quenching and tempering can adjust the performance and the material quality of the steel to a great extent, and the steel has better strength, plasticity and toughness and good comprehensive mechanical properties. And (4) tempering to obtain tempered sorbite. Tempered sorbite (tempered sorbite) is formed when martensite is tempered, can be distinguished by magnifying by more than 500-600 times under an optical microscope, and is a composite structure in which carbide (including cementite) spheres are distributed in a ferrite matrix. It is also a tempered structure of martensite, a mixture of ferrite and particulate carbides. The ferrite at this time has substantially no carbon supersaturation and the carbide is also a stable carbide. Is an equilibrium tissue at normal temperature. The heat treatment process of the steel comprises annealing, normalizing, quenching, tempering, surface heat treatment and the like. Wherein the tempering comprises quenching and tempering and aging treatment. Tempering steel, namely reheating the quenched steel to a certain temperature (350-650 ℃) according to the expected mechanical properties, and precipitating carbon in the form of finely distributed cementite. As the tempering temperature increases, carbide grains increase, yield point and tensile strength decrease, hardness and brittleness decrease, and elongation and shrinkage increase. The aim is to eliminate the internal stress generated by quenching so as to obtain the expected mechanical properties.

The anchor ring is used as a very important part in the extrusion anchor, the anchor ring is often required to be hardened and tempered during production and processing to improve the durability of the anchor ring, but the heat treatment device for hardening and tempering the anchor ring commonly on the market is usually operated manually before and after heating, so that the production efficiency is low and the operator is easy to cause danger if the operation is improper.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a simple structure can improve production efficiency and convenient to use's a heat treatment device for anchor ring thermal refining for overcome defect among the prior art.

The utility model adopts the technical proposal that: the utility model provides a heat treatment device for anchor ring thermal refining, which comprises an outer shell, the inside electric heating pipe that is provided with of shell, shell bottom symmetry sets up two limiting plates, be provided with the conveying board between two limiting plates, the below of conveying board is provided with the bottom plate, be provided with initiative drive pivot and driven drive pivot between bottom plate and the conveying board, conveying board one end is not less than the distance of conveying board other end apart from the bottom plate apart from the distance of bottom plate, evenly be provided with a plurality of spring cylinder between bottom plate and the conveying board, it is equipped with the driving lug respectively to divide equally to divide on initiative drive pivot and the driven drive pivot, swing joint between driving lug and the conveying board bottom surface, the fixed driving motor that is provided with on the bottom plate, be equipped with first transmission between driving motor and the initiative drive pivot, be equipped with second transmission between initiative drive pivot.

The first transmission device comprises a driving chain wheel, the driving chain wheel is fixedly sleeved on the output end of the driving motor, a first driven chain wheel is fixedly sleeved on the driving rotating shaft, and the first driven chain wheel is in transmission connection with the driving chain wheel through a first chain; this second transmission includes second driven sprocket, and the equal fixed suit of driving pivot and driven drive pivot has second driven sprocket, and the quantity of second driven sprocket adopts two, connects through the second chain drive between two second driven sprockets.

The shell adopt tubbiness structure, the open end of shell is located the below, the below of shell is equipped with the work cavity of constituteing by two limiting plates and shell, the partial suit of conveying board is in this work cavity, the conveying board adopt concave type platelike structure, the width of conveying board is not more than the distance between two limiting plates.

The driving rotating shaft adopts a round rod-shaped structure which can rotate around the central axis of the driving rotating shaft, the structure of the driven rotating shaft corresponds to the structure of the driving rotating shaft, the driving rotating shaft is positioned at one side of the shell, the driven rotating shaft is positioned at the other side of the shell, the driven rotating shaft is positioned below the driving rotating shaft, two first connecting rods are arranged below the driving rotating shaft, the two first connecting rods are symmetrically arranged at two sides of the conveying plate, two second connecting rods are arranged below the driven rotating shaft, the two second connecting rods are symmetrically arranged at two sides of the conveying plate, the top ends of the first connecting rods and the driving rotating shaft as well as the top ends of the second connecting rods and the driven rotating shaft are respectively connected through connecting bearings, the driving rotating shaft and the driven rotating shaft both adopt round rod-shaped structures, and the driving sheet adopts an annular plate-shaped structure, the outer wall of the driving sheet adopts an oval structure.

The below of limiting plate be equipped with the supporting leg, the shell in be provided with electron temperature-sensing probe, fixed mounting has electron temperature display screen on the supporting leg, electric connection between electron temperature display screen and the electron temperature-sensing probe.

Initiative drive pivot and driven drive pivot equally divide and do not be mutually perpendicular with the axis of conveying board, the outside at shell one end is installed in the initiative drive pivot, the outside at the shell other end is installed in the driven drive pivot.

The utility model has the advantages that: firstly, the utility model has simple structure, comprising a shell, an electric heating pipe is arranged in the shell, two limiting plates are symmetrically arranged at the bottom of the shell, a conveying plate is arranged between the two limiting plates, a bottom plate is arranged below the conveying plate, a driving rotating shaft and a driven rotating shaft are arranged between the bottom plate and the conveying plate, the distance between one end of the conveying plate and the bottom plate is not less than the distance between the other end of the conveying plate and the bottom plate, a plurality of spring cylinders are uniformly arranged between the bottom plate and the conveying plate, the driving rotating shaft adopts a round rod-shaped structure which can rotate around the central axis of the driving rotating shaft, the structure of the driven rotating shaft corresponds to the structure of the driving rotating shaft, driving sheets are respectively fixedly sleeved on the driving rotating shaft and the driven rotating shaft, the driving sheets are movably connected with the bottom surface of the conveying plate, a driving motor is fixedly arranged on the bottom plate, a second transmission device is arranged between the driving rotating shaft and the driven driving rotating shaft; secondly, the utility model reduces the time required for manually placing and taking out the anchor ring semi-finished product to be quenched and tempered from the heating device in the anchor ring to be quenched and tempered process, shortens the process flow, saves the working time, improves the working efficiency, reduces the probability of accidental injury of operators in the anchor ring semi-finished product to be quenched and tempered process, improves the working efficiency and protects the safety of the operators; finally, the rotary motion is all driven to the driving plate in initiative drive pivot and driven drive pivot, because the outer wall of driving plate adopts oval structure and the outer wall of driving plate and the bottom surface swing joint of conveying board, under the spacing cushioning effect that the spring cylinder combined together, reciprocating motion is done from top to bottom to the conveying board, when the downstream is done to the conveying board, the spring part in the spring cylinder is compressed, when the upstream is done to the conveying board, the spring part in the spring cylinder is compressed and the energy of storing can release and do the merit, the utilization ratio of the energy has been improved, the utility model has the advantages of simple structure, convenient operation, design benefit has improved work efficiency greatly, has fine society and economic benefits, is the product of easily using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.

Fig. 3 is a partially enlarged schematic view of detail B of fig. 1.

Fig. 4 is an enlarged partial view of detail C of fig. 1.

Detailed Description

As shown in figures 1, 2, 3 and 4, a heat treatment device for anchor ring thermal refining comprises a shell 1, wherein an electric heating pipe 2 is arranged inside the shell 1, two limiting plates 3 are symmetrically arranged at the bottom of the shell 1, a conveying plate 4 is arranged between the two limiting plates 3, a bottom plate 5 is arranged below the conveying plate 4, a driving rotating shaft 6 and a driven rotating shaft 7 are arranged between the bottom plate 5 and the conveying plate 4, the distance between one end of the conveying plate 4 and the bottom plate 5 is not less than the distance between the other end of the conveying plate 4 and the bottom plate 5, a plurality of spring cylinders 8 are uniformly arranged between the bottom plate 5 and the conveying plate 4, driving sheets 9 are respectively fixedly sleeved on the driving rotating shaft 6 and the driven rotating shaft 7, the driving sheets 9 are movably connected with the bottom surface of the conveying plate 4, a driving motor 10 is fixedly arranged on the bottom plate 5, and a first transmission device is arranged between the driving motor 10 and the driving, a second transmission device is arranged between the driving rotating shaft 6 and the driven driving rotating shaft 7.

The first transmission device comprises a driving chain wheel 14, the driving chain wheel 14 is fixedly sleeved on the output end of the driving motor 10, a first driven chain wheel 15 is fixedly sleeved on the driving rotating shaft 6, and the first driven chain wheel 15 and the driving chain wheel 14 are in transmission connection through a first chain 16; this second transmission includes second driven sprocket 17, and the equal fixed cover of drive spindle 6 and driven spindle 7 is equipped with second driven sprocket 17, and the quantity of second driven sprocket 17 adopts two, connects through the transmission of second chain 18 between two second driven sprockets 17.

Shell 1 adopt tubbiness structure, the open end of shell 1 is located the below, all adopts welded mode fixed connection between the open end of two limiting plates 3 and shell 1, the below of shell 1 is equipped with the work cavity of constituteing by two limiting plates 3 and shell 1, the partial suit of conveying board 4 is in this work cavity, conveying board 4 adopt concave type platelike structure, conveying board 4's width is not more than the distance between two limiting plates 3.

Initiative drive pivot 6 adopt and to be rotary motion's round bar-shaped structure around the axis of initiative drive pivot 6, the structure of driven drive pivot 7 is corresponding with initiative drive pivot 6 structure, initiative drive pivot 6 is located one side of shell 1, driven drive pivot 7 is located the opposite side of shell 1, driven drive pivot 7 is located the below of initiative drive pivot 6, the below of initiative drive pivot 6 sets up two head rods 11, two head rods 11 symmetry are installed in conveying board 4 both sides, driven drive pivot 7 below is provided with two second connecting rods 12, two second connecting rods 12 symmetry are installed in conveying board 4 both sides, equally divide between the top of head rod 11 and initiative drive pivot 6 and between the top of second connecting rod 12 and driven drive pivot 7 and do not be connected through connecting bearing 21, between the bottom of head rod 11 and the top surface of bottom plate 5 and between the bottom of second connecting rod 12 and the top surface of bottom plate 5 All through welded mode fixed connection, initiative drive pivot 6 and driven drive pivot 7 all adopt circular shaft-like structure, the driver blade 9 adopts annular platelike structure, the outer wall of driver blade 9 adopts oval structure. The inner wall of the driving plate 9 adopts a circular structure, the diameter of the driving rotating shaft 6 and the diameter of the driven rotating shaft 7 are equally divided and are respectively matched with the diameter of the circular structure, and the driving rotating shaft 6 and the inner wall of the driving plate 9 and the inner walls of the driven rotating shaft 7 and the driving plate 9 are equally divided and are respectively fixedly connected in a welding mode.

Limiting plate 3's below be equipped with supporting leg 13, all adopt welded mode fixed connection between supporting leg 13 and the bottom plate 5 and between supporting leg 13 and the limiting plate 3, bottom plate 5 horizontal installation is on supporting leg 13, and the vertical installation of spring cylinder 8 is on bottom plate 5, and spring cylinder 8 includes cylinder body and telescopic link, all adopts welded mode fixed connection between the bottom plate of this cylinder body and the top surface of bottom plate 5 and between the top of this telescopic link and the bottom surface of conveying board 4, shell 1 in be provided with electron temperature inductive probe 19, fixed mounting has electron temperature display screen 20 on supporting leg 13, electric connection between electron temperature display screen 20 and the electron temperature inductive probe 19, electric heating pipe 2's quantity adopts a plurality of, a plurality of electric heating pipe 2 evenly sets gradually on shell 1 inner wall. The included angle between the central axis of the transmission plate 4 and the bottom plate 5 is 2-5 degrees,

initiative drive pivot 6 and driven drive pivot 7 equally divide and do not be mutually perpendicular with the axis of conveying board 4, initiative drive pivot 6 is installed in the outside of shell 1 one end, driven drive pivot 7 is installed in the outside of the shell 1 other end. The number of the driving pieces 9 is a plurality of, the driving pieces 9 are all installed below the conveying plate 4, the installation angles between the driving rotating shaft 6 and the driving pieces 9 and the installation angles between the driving pieces 9 and the driven rotating shaft 7 are all corresponding, and the distance between the top end of the first connecting rod 11 and the bottom plate 5 is not less than the distance between the second connecting rod 12 and the bottom plate 5.

Example (b): as shown in fig. 1, 2, 3 and 4, firstly, the electric heating tube 2 is opened to adjust the temperature in the housing 1, and when the electronic temperature sensing probe 19 detects and displays that the temperature is not lower than 800 ℃ on the electronic temperature display screen 20, the initial preparation work of the product is achieved.

Then, the semi-finished product of the anchor ring to be quenched and tempered is uniformly placed in the conveying plate 4 on one side of the corresponding driving rotating shaft 6 of the shell 1 through a driving belt or a mechanical arm, and the driving motor 10 is opened to work simultaneously, the driving motor 10 drives the driving rotating shaft 6 to rotate so as to drive the driven rotating shaft 7 to rotate correspondingly, the driving rotating shaft 6 and the driven rotating shaft 7 both drive the driving sheet 9 to rotate, because the outer wall of the driving sheet 9 adopts an oval structure and the outer wall of the driving sheet 9 is movably connected with the bottom surface of the conveying plate 4, under the limiting buffer effect combined by the spring cylinder 8, the conveying plate 4 reciprocates up and down, the reciprocating motion is combined with the structural design that the distance from one end of the conveying plate 4 to the bottom plate 5 is not less than the distance from the other end of the conveying plate 4 to the bottom plate 5, so that the semi-finished product of the anchor ring to be quenched and tempered can slowly pass through a working cavity consisting of the two limiting plates 3, the purpose of full heating is achieved.

Through the embodiment, the time required for manually placing and taking out the anchor ring semi-finished product to be quenched and tempered from the heating device in the anchor ring to be quenched and tempered process is reduced, the process flow is shortened, the working time is saved, the heated anchor ring semi-finished product is taken out, the temperature is high after the anchor ring semi-finished product is heated, and partial danger exists in the working process.

The utility model relates to a heat treatment device for anchor ring thermal refining which meets the needs of workers in the heat treatment field of anchor ring quenching, which is characterized in that the utility model has wide market prospect.

Claims

1. A heat treatment device for anchor ring thermal refining comprises a shell (1), and is characterized in that: the electric heating pipe (2) is arranged in the shell (1), two limiting plates (3) are symmetrically arranged at the bottom of the shell (1), a conveying plate (4) is arranged between the two limiting plates (3), a bottom plate (5) is arranged below the conveying plate (4), a driving rotating shaft (6) and a driven rotating shaft (7) are arranged between the bottom plate (5) and the conveying plate (4), the distance between one end of the conveying plate (4) and the bottom plate (5) is not less than the distance between the other end of the conveying plate (4) and the bottom plate (5), a plurality of spring cylinders (8) are uniformly arranged between the bottom plate (5) and the conveying plate (4), driving sheets (9) are respectively fixedly sleeved on the driving rotating shaft (6) and the driven rotating shaft (7), the driving sheets (9) are movably connected with the bottom surface of the conveying plate (4), and a driving motor (10) is fixedly arranged on the bottom plate (5), a first transmission device is arranged between the driving motor (10) and the driving rotating shaft (6), and a second transmission device is arranged between the driving rotating shaft (6) and the driven driving rotating shaft (7).

2. The thermal processing apparatus of claim 1, wherein: the first transmission device comprises a driving chain wheel (14), the driving chain wheel (14) is fixedly sleeved on the output end of the driving motor (10), a first driven chain wheel (15) is fixedly sleeved on the driving rotating shaft (6), and the first driven chain wheel (15) is in transmission connection with the driving chain wheel (14) through a first chain (16); the second transmission device comprises a second driven chain wheel (17), wherein the second driven chain wheel (17) is fixedly sleeved on the driving rotating shaft (6) and the driven driving rotating shaft (7), the number of the second driven chain wheels (17) is two, and the two second driven chain wheels (17) are in transmission connection through a second chain (18).

3. The thermal processing apparatus of claim 1, wherein: shell (1) adopt tubbiness structure, the open end of shell (1) is located the below, the below of shell (1) is equipped with the work cavity of constituteing by two limiting plates (3) and shell (1), the partial suit of conveying board (4) is in this work cavity, conveying board (4) adopt concave type platelike structure, the width of conveying board (4) is not more than the distance between two limiting plates (3).

4. The thermal processing apparatus of claim 1, wherein: initiative drive pivot (6) adopt and to be rotary motion's round bar-shaped structure around the axis of initiative drive pivot (6), the structure of driven drive pivot (7) is corresponding with initiative drive pivot (6) structure, initiative drive pivot (6) are located one side of shell (1), driven drive pivot (7) are located the opposite side of shell (1), driven drive pivot (7) are located the below of initiative drive pivot (6), the below of initiative drive pivot (6) sets up two head rods (11), two head rods (11) symmetry are installed in conveying board (4) both sides, driven drive pivot (7) below is provided with two second connecting rods (12), install in conveying board (4) both sides two second connecting rod (12) symmetry, equally divide between the top of head rod (11) and initiative drive pivot (6) and between the top of second connecting rod (12) and driven drive pivot (7) and do not divide through the connecting axle respectively The bearing (21) is connected with the driving rotating shaft (6) and the driven driving rotating shaft (7) both adopt circular rod-shaped structures, the driving sheet (9) adopts an annular plate-shaped structure, and the outer wall of the driving sheet (9) adopts an oval structure.

5. The thermal processing apparatus of claim 1, wherein: the below of limiting plate (3) be equipped with supporting leg (13), shell (1) in be provided with electron temperature-sensing probe (19), fixed mounting has electron temperature display screen (20) on supporting leg (13), electric connection between electron temperature display screen (20) and electron temperature-sensing probe (19).

6. The thermal processing apparatus of claim 1, wherein: initiative drive pivot (6) and driven drive pivot (7) equally divide and do not be mutually perpendicular with the axis of conveying board (4), install in the outside of shell (1) one end initiative drive pivot (6), the outside at the shell (1) other end is installed in driven drive pivot (7).