Roller heat treatment furnace

Abstract

The utility model discloses a roller heat treatment furnace which comprises a furnace body composed of a shell and a sealing plate arranged at the front end of the shell, the rear end of the left side of the sealing plate is hinged to the front end of the left side of the shell, the right side of the sealing plate is connected with a lock catch on the right side of the shell, a heating assembly is fixedly arranged at the lower end in the shell, and a driving assembly is arranged on the outer wall of the shell. And a positioning assembly is arranged in the shell. Through the design of the positioning function, a cylindrical roller workpiece can be positioned in the shell, so that the situation that the roller is collided with the inner wall of the shell due to position deviation caused by rolling of the roller in the shell is avoided, and the roller and the shell are protected. Through the design of the driving assembly, the driving assembly can control the positioning assembly and the roller to be in reciprocating type autorotation treatment, then uniform heat treatment can be conducted on all areas of the surface of the roller through the heating function of the device, and the heat treatment effect of the roller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a roller heat treatment furnace. Background Art

[0002] Rollers, also known as rollers, are cylindrical parts, divided into driving rollers and driven rollers. They are widely used in various transmission and conveying systems such as rotary screen printing machines, digital printers, mining conveying equipment, papermaking and packaging machinery.

[0003] Heat treatment refers to a metal heat processing process in which the workpiece is heated, kept warm and cooled in the solid state to obtain the expected structure and performance. Heat treatment can improve the quality of the workpiece and extend its service life. The heat treatment furnace is the equipment used to implement the heat treatment process. With the development of science and technology, the number of workpieces that need to be heat treated in industrial production fields such as metallurgy, machinery, and aerospace is increasing. The heat treatment furnace is the main equipment for implementing the heat treatment process.

[0004] The patent name is "A High-efficiency Heat Treatment Furnace" with the publication number "CN219951124U". The public document cannot position the cylindrical workpiece, which causes the cylindrical workpiece to shift inside the furnace during the heat treatment process, causing the cylindrical workpiece to collide with the inside of the furnace, causing damage to the workpiece and the furnace. Based on this, the utility model designs a roller heat treatment furnace to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a roller heat treatment furnace to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roller heat treatment furnace, a furnace body consisting of a shell and a sealing plate arranged at the front end of the shell, a heating component is fixedly provided at the lower end of the shell, a driving component is arranged on the outer wall of the shell, and a positioning component is arranged inside the shell, the heating component includes a heating tube fixedly provided at the bottom end of the shell, a partition arranged on the upper end of the heating tube is fixedly connected to the shell, a rectangular frame is arranged on the top of the partition, the driving component includes a cover body fixedly provided on the right side of the outer wall of the shell, a motor is fixedly provided inside the cover body, and a cam is fixedly provided on the first end of the motor, the positioning component includes a rotating sleeve connected to the lower end of the shell and distributed from left to right inside the shell, a rack is arranged on the top of the rectangular frame, and the right side of the rack slides through the shell, a connecting plate is fixedly provided on the right side of the rack, and a first spring is fixedly provided between the left side of the connecting plate and the shell, the rack is meshed with the gear teeth fixedly provided on the outside of the rotating sleeve, and a controller is fixedly provided on the outer wall of the shell.

[0007] Furthermore, a plurality of mounting holes are integrally provided inside the partition, and the mounting holes are through-holes, and a plurality of clearance holes are integrally provided at the lower end of the rectangular frame.

[0008] Furthermore, the avoidance hole is designed as a through hole, and the avoidance hole and the mounting hole are designed to overlap with each other, and a plurality of avoidance holes are integrally provided at the top end of the inner part of the rectangular frame.

[0009] Furthermore, the avoidance hole is designed as a through hole, and the avoidance hole and the give-way hole are designed to overlap with each other, and the avoidance hole and the rack are designed to be staggered with each other.

[0010] Furthermore, a plurality of exhaust holes are integrally arranged inside the rotating sleeve from front to back, and the exhaust holes are through-hole designs, and the shell and the sealing plate are made of heat-insulating materials.

[0011] Furthermore, a push pin with a U-shaped cross section when viewed from above is slidably penetrated through the left and right sides of the rotating sleeve, and the push pin is made of high-temperature resistant rubber material.

[0012] Furthermore, a second spring is fixedly provided at the middle end of the inner wall of the ejector pin, the other end of the second spring is fixedly connected to the rotating sleeve, and the ejector pin and the exhaust hole are designed to be staggered with each other.

[0013] Furthermore, a slide groove is integrally provided on the left and right sides of the top of the interior of the partition, the cross section of the slide groove is T-shaped, and the slide groove and the mounting hole are designed to be staggered with each other.

[0014] Furthermore, sliding blocks with a T-shaped cross section are fixedly provided on the left and right sides of the bottom of the rectangular frame, and the sliding blocks are embedded in the sliding grooves, and the sliding blocks are slidably connected to the sliding grooves.

[0015] Furthermore, the motor and the heating tube are connected to the controller via wires, and the controller is connected to an external 220V power supply via wires, the rear end of the left side of the sealing plate is hingedly connected to the front end of the left side of the shell, and the right side of the sealing plate is lockably connected to the right side of the shell.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model can position the cylindrical roller workpiece inside the shell through the design of the positioning function, so as to avoid the roller from being displaced due to rolling inside the shell, thereby preventing the roller from colliding with the inner wall of the shell. It can be seen that by using the device in this application, the roller and the shell are protected.

[0018] 2. The utility model designs the driving component so that the driving component can control the positioning component and the roller to be in a reciprocating rotation process, so that the heating function of the device can perform uniform heat treatment on various areas of the roller surface. It can be seen that by using the device in this application, the effect of roller heat treatment is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a three-dimensional diagram of a roller heat treatment furnace of the utility model;

[0021] Figure 2 This is a three-dimensional diagram of the internal structure of a roller heat treatment furnace of the utility model;

[0022] Figure 3 The figure is a three-dimensional view of the interior of the rotating sleeve;

[0023] Figure 4 It is a three-dimensional image of a rectangular frame and a slider;

[0024] Figure 5 It is a three-dimensional diagram of the partition and the chute;

[0025] Figure 6 It is a three-dimensional diagram of the driving component and the positioning component.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1-shell, 2-sealing plate, 3-heating component, 4-driving component, 5-positioning component, 301-heating tube, 302-partition, 303-rectangular frame, 401-cover, 402-motor, 403-cam, 501-sleeve, 502-rack, 503-connecting plate, 504-first spring, 505-gear, 506-controller, 6-mounting hole, 7-allowance hole, 8-avoidance hole, 9-exhaust hole, 10-lift pin, 11-second spring, 12-slide groove, 13-slider. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1

[0030] like Figure 1 , Figure 2 , Figure 6 As shown, the device comprises a furnace body consisting of a shell 1 and a sealing plate 2 arranged at the front end of the shell 1, a heating component 3 is fixedly arranged at the lower end of the shell 1, a driving component 4 is arranged on the outer wall of the shell 1, and a positioning component 5 is arranged inside the shell 1, the heating component 3 comprises a heating tube 301 fixedly arranged at the bottom end of the shell 1, a partition 302 arranged at the upper end of the heating tube 301 is fixedly connected to the shell 1, a rectangular frame 303 is arranged on the top of the partition 302, the driving component 4 comprises a cover body 401 fixedly arranged on the right side of the outer wall of the shell 1, and a motor is fixedly arranged inside the cover body 401 402, and a cam 403 is fixedly sleeved at the front end of the motor 402, the positioning assembly 5 includes a rotating sleeve 501 connected to the lower end of the shell 1 and distributed from left to right inside the shell 1, a rack 502 is arranged on the top of the rectangular frame 303, and the right side of the rack 502 slides through the shell 1, a connecting plate 503 is fixedly arranged on the right side of the rack 502, and a first spring 504 is fixedly arranged between the left side of the connecting plate 503 and the shell 1, the rack 502 is meshed with the gear 505 fixedly sleeved on the outside of the rotating sleeve 501, and a controller 506 is fixedly arranged on the outer wall of the shell 1.

[0031] The staff first inserts the roller into the rotating sleeve 501, so that the rotating sleeve 501 positions the roller, and then closes the sealing plate 2. The staff turns on the motor 402 and the heating tube 301 by using the controller 506. The motor 402 controls the cam 403 to repeatedly squeeze the connecting plate 503, so that the connecting plate 503 squeezes the first spring 5 to repeatedly deform. In this way, the rack 502 repeatedly moves along the lateral direction of the shell 1, and then the rack 502 controls the gear 505 to drive the rotating sleeve 501 and the roller to be in repeated forward and reverse rotation, so that the entire surface of the roller is in full contact with the working area of ​​the heating tube 301, thereby improving the heat treatment effect of the heating tube 301 on the roller.

[0032] Example 2

[0033] like Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, a plurality of mounting holes 6 are integrally provided inside the partition 302, and the mounting holes 6 are through-holes, a plurality of clearance holes 7 are integrally provided at the lower end of the rectangular frame 303, the clearance holes 7 are through-holes, and the clearance holes 7 and the mounting holes 6 are in a design that overlap with each other, a plurality of avoidance holes 8 are integrally provided at the top of the rectangular frame 303, the avoidance holes 8 are through-holes, and the avoidance holes 8 and the avoidance holes 7 are in a design that overlap with each other, the avoidance holes 8 and the rack 502 are in a design that is mutually misaligned, a plurality of exhaust holes 9 are integrally provided from front to back around the rotating sleeve 501, and the exhaust holes 9 are through-holes, the shell 1 and the sealing plate 2 are made of heat-insulating material, and top pins 10 with a U-shaped cross section when viewed from above are slidably penetrated on the left and right sides of the rotating sleeve 501, and the top pins 10 are made of high-temperature resistant rubber The outer wall of the partition 302 is made of rubber, and a second spring 11 is fixedly provided at the middle end of the inner wall of the top pin 10, and the other end of the second spring 11 is fixedly connected to the rotating sleeve 501, and the top pin 10 and the exhaust hole 9 are designed to be displaced from each other. The left and right sides of the top of the inner part of the partition 302 are integrally provided with a slide groove 12, and the cross section of the slide groove 12 is T-shaped, and the slide groove 12 and the mounting hole 6 are designed to be displaced from each other. The left and right sides of the bottom of the rectangular frame 303 are fixedly provided with sliders 13 with a T-shaped cross section, and the slider 13 is embedded in the slide groove 12, and the slider 13 is slidably connected to the slide groove 12. The motor 402 and the heating tube 301 are connected to the controller 506 through a wire, and the controller 506 is connected to the external 220V power supply through a wire. The rear end of the left side of the sealing plate 2 is hingedly connected to the front end of the left side of the shell 1, and the right side of the sealing plate 2 is connected to the right side of the shell 1 with a lock.

[0034] According to the operation method in Example 1, when the heating tube 301 is turned on, the high temperature generated by the heating tube 301 can be connected to the surface of the roller through the design of the installation hole 6, the clearance hole 7, the avoidance hole 8 and the exhaust hole 9, thereby ensuring the stability of the roller heat treatment. In addition, when the roller is inserted into the rotating sleeve 501, the roller pushes the top pin 10, so that the top pin 10 moves along the direction of the outer side of the rotating sleeve 501, and the second spring 11 is deformed. Through the action of the rebound force of the second spring 11, the top pin 10 performs a soft clamping force on the outer wall of the roller, thereby ensuring the stability of the connection between the roller and the rotating sleeve 501. After the heat treatment is completed, the staff can wear high-temperature resistant work gloves, open the sealing plate 2, and then pull the rectangular frame 303, so that the rectangular frame 303 drives the slider 13 to move along the direction of the slide groove 12, that is, the rectangular frame 303 is moved out of the shell 1, and the staff then takes the roller out of the rotating sleeve 501 and places it on the rectangular frame 303, so as to inspect the roller after heat treatment.

Claims

1. A roller heat treatment furnace, characterized in that: The invention comprises a furnace body composed of a shell (1) and a sealing plate (2) arranged at the front end of the shell (1); a heating component (3) is fixedly arranged at the lower end of the shell (1); a driving component (4) is arranged on the outer wall of the shell (1); and a positioning component (5) is arranged inside the shell; the heating component (3) comprises a heating tube (301) fixedly arranged at the bottom end of the shell (1); a partition (302) arranged at the upper end of the heating tube (301) is fixedly connected to the shell (1); a rectangular frame (303) is arranged on the top of the partition (302); the driving component (4) comprises a cover body (401) fixedly arranged on the right side of the outer wall of the shell (1); a motor (403) is fixedly arranged inside the cover body (401); 02), and a cam (403) is fixedly mounted on the front end of the motor (402), the positioning assembly (5) comprises a rotating sleeve (501) connected to the lower end of the shell (1) and distributed from left to right inside the shell (1), a rack (502) is arranged on the top of the rectangular frame (303), and the right side of the rack (502) slides through the shell (1), a connecting plate (503) is fixedly mounted on the right side of the rack (502), and a first spring (504) is fixedly mounted between the left side of the connecting plate (503) and the shell (1), the rack (502) is meshed with the gear (505) fixedly mounted on the outside of the rotating sleeve (501), and a controller (506) is fixedly mounted on the outer wall of the shell (1).

2. A roller heat treatment furnace according to claim 1, characterized in that: The partition (302) is provided with a plurality of mounting holes (6) in an integrated manner, and the mounting holes (6) are through-holes. The rectangular frame (303) is provided with a plurality of clearance holes (7) in an integrated manner at the lower end thereof.

3. A roller heat treatment furnace according to claim 2, characterized in that: The clearance hole (7) is a through hole, and the clearance hole (7) and the mounting hole (6) are designed to overlap with each other. A plurality of clearance holes (8) are integrally provided at the top of the inner part of the rectangular frame (303).

4. A roller heat treatment furnace according to claim 3, characterized in that: The avoidance hole (8) is designed as a through hole, and the avoidance hole (8) and the clearance hole (7) are designed to overlap with each other, and the avoidance hole (8) and the rack (502) are designed to be staggered with each other.

5. The roller heat treatment furnace according to claim 1, characterized in that: The rotating sleeve (501) is provided with a plurality of exhaust holes (9) from front to back in an integrated manner, and the exhaust holes (9) are through-holes. The shell (1) and the sealing plate (2) are made of heat-insulating materials.

6. The roller heat treatment furnace according to claim 1, characterized in that: A push pin (10) having a U-shaped cross section when viewed from above is slidably penetrated on both left and right sides of the rotating sleeve (501), and the push pin (10) is made of high-temperature resistant rubber material.

7. A roller heat treatment furnace according to claim 6, characterized in that: A second spring (11) is fixedly arranged at the middle end of the inner wall of the ejector pin (10), the other end of the second spring (11) is fixedly connected to the rotating sleeve (501), and the ejector pin (10) and the exhaust hole (9) are designed to be offset from each other.

8. The roller heat treatment furnace according to claim 1, characterized in that: A slide groove (12) is integrally provided on the left and right sides of the top end of the partition (302); the slide groove (12) has a T-shaped cross section, and the slide groove (12) and the mounting hole (6) are designed to be offset from each other.

9. The roller heat treatment furnace according to claim 1, characterized in that: Slide blocks (13) with a T-shaped cross section are fixedly arranged on the left and right sides of the bottom of the rectangular frame (303); the slide blocks (13) are embedded in the slide groove (12), and the slide blocks (13) are slidably connected to the slide groove (12).

10. The roller heat treatment furnace according to claim 1, characterized in that: The motor (402) and the heating tube (301) are connected to the controller (506) via wires, and the controller (506) is connected to an external 220V power supply via wires. The left rear end of the sealing plate (2) is hingedly connected to the left front end of the shell (1), and the right side of the sealing plate (2) is lockably connected to the right side of the shell (1).

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