Automatic feeding and discharging device of roller hearth furnace

Abstract

The utility model relates to the technical field of roller hearth furnaces, and discloses an automatic feeding and discharging device of a roller hearth furnace, which comprises a feeding and discharging frame, a material conveying device main body, a feeding device, a discharging device and a discharging device, and the material driving mechanism is arranged at the bottom of the feeding and discharging frame, and the material driving mechanism is used for driving the materials to roll in the heat treatment process. Through the design of the hydraulic cylinder, the bearing seat can be driven to integrally ascend and descend, when the bearing seat integrally moves upwards, the feeding and discharging frame can be pushed to rotate on the vertical plate by means of the connecting supporting legs and the rotating shafts, and when the bearing seat integrally descends, the feeding and discharging frame rotates on the vertical plate by means of the connecting supporting legs and the rotating shafts through the gravity of the feeding and discharging frame. Further, the tubular material can be promoted to roll on the material conveying device main body, so that the heat source can uniformly heat the surface of the tubular material, the problem that the bottom and the top of the tubular material are not uniformly heated is avoided, and the heat treatment effect of the tubular material is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller hearth furnace, specifically, and relates to a roller hearth furnace automatic feeding and discharging device. BACKGROUND

[0002] The roller hearth furnace is a kind of industrial furnace equipment that utilizes roller transmission system to convey materials and complete heating or heat treatment process. Its core feature is to realize the continuous transmission of materials in the furnace through the rotary motion of rollers, which is suitable for large-scale and continuous production scenarios. The roller hearth furnace automatic feeding and discharging device is a kind of equipment for automatic feeding and discharging, mainly applied in the roller hearth furnace system. Through automation technology, the device realizes the automatic feeding and discharging of workpieces, thereby reducing manual operation and improving production efficiency. The feeding and discharging device is built-in with high-temperature-resistant alloy rollers driven by a motor to rotate at a uniform speed, stably carrying materials through the furnace body.

[0003] The roller hearth furnace is mainly used for heat treatment of tubular materials. The traditional feeding and discharging device does not have the function of adjusting the position of tubular materials. The heat source in the furnace is mainly arranged at the top, and the position of the heat source in the furnace and the material is fixed, which may cause uneven heating of the bottom and top of the tubular material, thereby affecting the heat treatment effect of the tubular material. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a roller hearth furnace automatic feeding and discharging device to solve the problem that the position of the heat source in the furnace and the material is fixed, which may cause uneven heating of the bottom and top of the tubular material.

[0005] The utility model provides the following technical scheme: a roller hearth furnace automatic feeding and discharging device, comprising:

[0006] A feeding and discharging frame is provided with a material conveying device main body;

[0007] A material driving mechanism is arranged at the bottom of the feeding and discharging frame, and is used to drive the material to roll during the heat treatment process;

[0008] A material limiting mechanism is arranged on the feeding and discharging frame, and is used to limit the end of the material.

[0009] As a preferred embodiment of the above technical scheme, the material driving mechanism comprises a base, a hydraulic cylinder is fixedly installed on the top of the base, a receiving seat is fixedly installed on the extension end of the hydraulic cylinder, a protruding block is fixedly installed on the top of the receiving seat, a supporting wheel is rotatably connected to the inner wall of the protruding block, and the outer surface of the supporting wheel is movably connected to the bottom of the feeding and discharging frame.

[0010] Through the technical scheme, the hydraulic cylinder, the receiving seat, the protruding block and the supporting wheel are designed to push the in-out material frame to lift the part close to the front face, so as to facilitate the in-out material frame to tilt.

[0011] As the preferred technical scheme, the top of the base is fixedly installed with a vertical plate, a reinforcing block is welded to the outer wall of the vertical plate, the reinforcing block is fixedly installed on the top of the base, a rotating shaft is rotatably connected to the inner wall of the vertical plate, a connecting leg is fixedly installed at the end of the rotating shaft, and the connecting leg is fixedly installed at the bottom of the in-out material frame.

[0012] Through the technical scheme, the vertical plate, the rotating shaft and the connecting leg are designed to rotatably connect the in-out material frame to the top of the base, so as to facilitate the in-out material frame to tilt.

[0013] As the preferred technical scheme, the top of the base is fixedly installed with a first positioning frame, a first dismounting block is movably inserted into the inner cavity of the first positioning frame, and a first bolt is threadedly connected to the side surface of the first positioning frame.

[0014] Through the technical scheme, the first positioning frame, the first dismounting block and the first bolt are designed to facilitate the user to dismount the upper end of the spring.

[0015] As the preferred technical scheme, the top of the first dismounting block is fixedly installed with a spring, the top of the spring is fixedly installed with a second dismounting block, the outer wall of the second dismounting block is movably sleeved with a second positioning frame, a second bolt is threadedly connected to the side surface of the second positioning frame, the threaded end of the second bolt is movably connected to the outer wall of the second dismounting block, and the second positioning frame is fixedly installed at the bottom of the in-out material frame.

[0016] Through the technical scheme, the second positioning frame, the second dismounting block and the second bolt are designed to facilitate the user to dismount the lower end of the spring.

[0017] As the preferred technical scheme, the material limiting mechanism comprises an electric push rod, the electric push rod is fixedly installed at the back of the in-out material frame, the telescopic end of the electric push rod is fixedly installed with a connecting block, the outer wall of the connecting block is fixedly installed with a sliding plate, the inner wall of the sliding plate is slidably connected with a fixed rod, and the fixed rod is fixedly installed at the bottom of the in-out material frame.

[0018] Through the technical scheme, the electric push rod is designed to drive the limiting gate to automatically lift, thereby improving the degree of automation.

[0019] As the preferred technical scheme of the above, the side surface of the sliding plate is fixedly provided with a connecting rod, one end of the connecting rod away from the sliding plate is fixedly provided with a limiting shutter, and the limiting shutter is slidingly connected to the inner wall of the feeding and discharging frame.

[0020] Through the above technical scheme, the end of the material can be limited by the design of the limiting shutter, so that the material is in the furnace, thereby ensuring the effect of heat treatment.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] The present application can drive the receiving seat to lift as a whole, and the receiving seat can push the feeding and discharging frame to rotate on the vertical plate by means of the connecting leg and the rotating shaft when the receiving seat moves upward as a whole, and the receiving seat can rotate on the vertical plate by means of the connecting leg and the rotating shaft through the gravity of the feeding and discharging frame itself when the receiving seat moves downward as a whole, thereby promoting the rolling of the tubular material on the material conveying device main body, and the heat source can uniformly heat the surface of the tubular material without changing the position of the heat source, thereby avoiding the problem of uneven heating of the bottom and top of the tubular material, improving the heat treatment effect of the tubular material, and improving the production quality of the tubular material. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a perspective view of the present application;

[0024] Figure 2 It is a partial structure diagram of the base of the present application;

[0025] Figure 3 It is a schematic diagram of the overall structure of the spring of the present application;

[0026] Figure 4 It is a structure diagram of the material limiting mechanism of the present application.

[0027] In the figure: 1, feeding and discharging frame; 11, material conveying device main body; 2, material driving mechanism; 21, base; 22, hydraulic cylinder; 221, receiving seat; 222, protruding block; 223, supporting wheel; 23, vertical plate; 24, reinforcing block; 25, rotating shaft; 26, connecting leg; 27, No. 1 positioning frame; 271, first bolt; 272, dismounting block one; 28, No. 2 positioning frame; 281, second bolt; 282, dismounting block two; 29, spring; 3, material limiting mechanism; 31, electric push rod; 32, limiting shutter; 33, fixed rod; 34, sliding plate; 35, connecting rod; 36, connecting block. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.

[0029] As Figures 1-4 shown, the utility model provides a technical scheme: a roll hearth furnace automatic feeding and discharging device, including:

[0030] Feeding and discharging frame 1 is provided with material conveying device main body 11 on feeding and discharging frame 1;

[0031] Material drive mechanism 2 is arranged at the bottom of feeding and discharging frame 1, and material drive mechanism 2 is used to drive the rolling of material during heat treatment;

[0032] Material limiting mechanism 3 is arranged on feeding and discharging frame 1, and material limiting mechanism 3 is used to limit the end of material.

[0033] As an embodiment in the embodiment, as Figure 1 、 Figure 2 shown, material drive mechanism 2 includes base 21, the top of base 21 is fixedly installed with hydraulic cylinder 22, the telescopic end of hydraulic cylinder 22 is fixedly installed with receiving seat 221, the top of receiving seat 221 is fixedly installed with protruding block 222, the inner wall of protruding block 222 is rotatably connected with support wheel 223, the outer surface of support wheel 223 is movably connected with the bottom of feeding and discharging frame 1, the top of base 21 is fixedly installed with vertical plate 23, the outer wall of vertical plate 23 is welded with reinforcing block 24, reinforcing block 24 is fixedly installed on the top of base 21, the inner wall of vertical plate 23 is rotatably connected with rotating shaft 25, the end of rotating shaft 25 is fixedly installed with connecting leg 26, connecting leg 26 is fixedly installed on the bottom of feeding and discharging frame 1, in the initial state, hydraulic cylinder 22 is in the half stretched state, at this time, feeding and discharging frame 1 is in the horizontal state, after material is conveyed to the middle position above material conveying device main body 11, control hydraulic cylinder 22 to stretch completely, drive receiving seat 221 to move upward as a whole, when receiving seat 221 moves upward as a whole, it can push feeding and discharging frame 1 to rotate on vertical plate 23 by connecting leg 26 and rotating shaft 25, so that feeding and discharging frame 1 generates small amplitude inclination backward as a whole, the material will roll backward, after the material rolls in place, control hydraulic cylinder 22 to shrink completely again, drive receiving seat 221 to descend as a whole, at this time, through the gravity of feeding and discharging frame 1 itself, by connecting leg 26 and rotating shaft 25 rotating on vertical plate 23, feeding and discharging frame 1 generates small amplitude inclination forward as a whole, repeatedly control hydraulic cylinder 22 to stretch and shrink, can make tubular material roll back and forth on material conveying device main body 11, so that the heat source uniformly heats the surface of tubular material, improves the heat treatment effect of tubular material.

[0034] As an embodiment in the embodiment, as Figure 1 、 Figure 3As shown, the top of the base 21 is fixedly installed with a first positioning frame 27, a first dismounting block 272 is movably inserted into the inner cavity of the first positioning frame 27, the side of the first positioning frame 27 is threadedly connected with a first bolt 271, the threaded end of the first bolt 271 is movably connected with the outer wall of the first dismounting block 272, the top of the first dismounting block 272 is fixedly installed with a spring 29, the top of the spring 29 is fixedly installed with a second dismounting block 282, the outer wall of the second dismounting block 282 movably sleeves with a second positioning frame 28, the side of the second positioning frame 28 is threadedly connected with a second bolt 281, the threaded end of the second bolt 281 is movably connected with the outer wall of the second dismounting block 282, the second positioning frame 28 is fixedly installed on the bottom of the in-out frame 1, the spring 29 is stretched during the extension of the hydraulic cylinder 22 in the initial state, the spring 29 exerts a pulling force on the in-out frame 1 as a whole, which avoids the problem that the in-out frame 1 as a whole is uncontrollably tilted to the side when the material moves to the rear on the material conveying device main body 11, and increases the safety of the structure. If the spring 29 is damaged, the spring 29 can be replaced. When replacing, loosen the second bolt 281 and the first bolt 271, then pull out the first dismounting block 272 and the second dismounting block 282 from the first positioning frame 27 and the second positioning frame 28 respectively for replacement, then tighten the second bolt 281 and the first bolt 271, which completes the replacement of the spring 29.

[0035] As an embodiment in the present embodiment, as shown in Figure 1 、 Figure 4 As shown, the material limiting mechanism 3 comprises an electric push rod 31, the electric push rod 31 is fixedly installed on the back of the in-out frame 1, the telescopic end of the electric push rod 31 is fixedly installed with a connecting block 36, the outer wall of the connecting block 36 is fixedly installed with a sliding plate 34, the inner wall of the sliding plate 34 is slidably connected with a fixed rod 33, the fixed rod 33 is fixedly installed on the bottom of the in-out frame 1, the side of the sliding plate 34 is fixedly installed with a connecting rod 35, the end of the connecting rod 35 away from the sliding plate 34 is fixedly installed with a limiting shutter 32, the limiting shutter 32 is slidably connected on the inner wall of the in-out frame 1, after the material is conveyed to the middle position above the material conveying device main body 11, the electric push rod 31 is controlled to contract, the sliding plate 34 is driven by the connecting block 36 to slide upward on the fixed rod 33, and the limiting shutter 32 is driven by the connecting rod 35 to move upward, the two ends of the material are limited by the limiting shutter 32, which avoids the problem that the material is easily uncontrollably moved left and right on the top of the material conveying device main body 11 during the heat treatment process. Through the design of the fixed rod 33, the sliding plate 34, the connecting rod 35 and the connecting block 36, the electric push rod 31 can be driven away from the furnace body to drive the limiting shutter 32, which avoids the problem that the electric push rod 31 is easily damaged by heat.

[0036] Working principle: when using, the structure is erected at the bottom of the roller hearth furnace, through the cooperation of the external conveying device and the material conveying device body 11, the material can be continuously conveyed, after the material is conveyed to the intermediate position above the material conveying device body 11, the electric push rod 31 is controlled to retract, the sliding plate 34 is driven to slide upwards on the fixed rod 33 through the transmission of the connecting block 36, the limiting gate plate 32 is driven to move upwards through the transmission of the connecting rod 35, the two ends of the material are limited by the limiting gate plate 32, then the hydraulic cylinder 22 is controlled to extend, the supporting seat 221 is driven to move upwards as a whole, when the supporting seat 221 moves upwards as a whole, the in-out material frame 1 can be pushed to rotate on the stand plate 23 through the connecting leg 26 and the rotating shaft 25, so that the in-out material frame 1 tilts slightly backwards as a whole, then the hydraulic cylinder 22 is controlled to retract, the supporting seat 221 is driven to move downwards as a whole, at this time, the in-out material frame 1 can be rotated on the stand plate 23 through the connecting leg 26 and the rotating shaft 25 by its own gravity, so that the in-out material frame 1 tilts slightly forwards as a whole, the hydraulic cylinder 22 is repeatedly controlled to extend and retract, so that the tubular material can roll back and forth on the material conveying device body 11, so that the heat source uniformly heats the surface of the tubular material, after the material heat treatment is finished, the electric push rod 31 is controlled to extend, the limiting gate plate 32 is driven to move downwards to release the limitation of the material, then through the work of the material conveying device body 11, the material can be output from the roller hearth furnace.

[0037] The above examples are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A roller hearth automatic in-out feed device, characterized in that, Include: The inlet and outlet frame (1) is provided with material conveying device body (11); Material driving mechanism (2), the material driving mechanism (2) is arranged at the bottom of the inlet and outlet frame (1), and the material driving mechanism (2) is used for driving the material to roll in the heat treatment process; Material limiting mechanism (3), the material limiting mechanism (3) is arranged on the inlet and outlet frame (1), and the material limiting mechanism (3) is used for limiting the end of the material.

2. The roller hearth automatic in-out feeding device according to claim 1, characterized in that: The material driving mechanism (2) includes a base (21), a hydraulic cylinder (22) is fixedly installed on the top of the base (21), a receiving seat (221) is fixedly installed on the telescopic end of the hydraulic cylinder (22), a protruding block (222) is fixedly installed on the top of the receiving seat (221), a supporting wheel (223) is rotatably connected to the inner wall of the protruding block (222), and the outer surface of the supporting wheel (223) is movably connected with the bottom of the inlet and outlet frame (1).

3. The roller hearth automatic in-out feed device according to claim 2, characterized in that: The top of the base (21) is fixedly installed with a vertical plate (23), the outer wall of the vertical plate (23) is welded with a reinforcing block (24), the reinforcing block (24) is fixedly installed on the top of the base (21), the inner wall of the vertical plate (23) is rotatably connected with a rotating shaft (25), the end of the rotating shaft (25) is fixedly installed with a connecting leg (26), and the connecting leg (26) is fixedly installed on the bottom of the inlet and outlet frame (1).

4. The roller hearth automatic in-out feed device according to claim 3, characterized in that: The top of the base (21) is fixedly installed with a first positioning frame (27), a first dismounting block (272) is movably inserted into the inner cavity of the first positioning frame (27), the side of the first positioning frame (27) is threadedly connected with a first bolt (271), and the threaded end of the first bolt (271) is movably connected with the outer wall of the first dismounting block (272).

5. The roller hearth automatic in-out feed device according to claim 4, characterized in that: The top of the first dismounting block (272) is fixedly installed with a spring (29), the top of the spring (29) is fixedly installed with a second dismounting block (282), the outer wall of the second dismounting block (282) is movably sleeved with a second positioning frame (28), the side of the second positioning frame (28) is threadedly connected with a second bolt (281), the threaded end of the second bolt (281) is movably connected with the outer wall of the second dismounting block (282), and the second positioning frame (28) is fixedly installed on the bottom of the inlet and outlet frame (1).

6. The roller hearth automatic in-out feed device according to claim 1, characterized in that: The material limiting mechanism (3) includes an electric push rod (31), the electric push rod (31) is fixedly installed on the back of the inlet and outlet frame (1), the telescopic end of the electric push rod (31) is fixedly installed with a connecting block (36), the outer wall of the connecting block (36) is fixedly installed with a sliding plate (34), the inner wall of the sliding plate (34) is slidably connected with a fixed rod (33), and the fixed rod (33) is fixedly installed on the bottom of the inlet and outlet frame (1).

7. The roller hearth automatic in-out feed device according to claim 6, characterized in that: The side of the sliding plate (34) is fixedly installed with a connecting rod (35), the end of the connecting rod (35) away from the sliding plate (34) is fixedly installed with a limiting shutter (32), and the limiting shutter (32) is slidably connected on the inner wall of the inlet and outlet frame (1).

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