Continuous heating furnace for heat treatment of agricultural machinery parts
The design of the rotating tray and lever system solves the problems of uneven heating of the balls and low quenching efficiency in traditional heating furnaces, achieves uniform heating and rapid quenching of the balls, and ensures the continuity and safety of production.
Patent Information
- Application Number
- CN202510969892.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-15
- Publication Date
- 2025-09-26
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional continuous heating furnaces have difficulty achieving uniform heating of small regular parts such as ball bearings, have low quenching efficiency, the decarburized layer is prone to adhesion and takes a long time to clean, and high-temperature parts are prone to splashing when entering water, hindering continuous production.
The sloped structure of the rotating tray is combined with the uniform rotation of the slide rod drive and the lever system to ensure that the balls are evenly heated. The design of the moving ring and cooling box enables rapid quenching and directional steam discharge. The feed expansion pipe and fan blade structure prevents accumulation and requires online cleaning.
It achieves uniform heating of the balls, shortens the quenching time, reduces temperature drop, prevents adhesion of the decarburized layer, ensures smooth continuous production, and reduces the need for manual cleaning.
Smart Images
Figure CN120700262A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of heat treatment furnaces, and in particular to a continuous heating furnace for heat treatment of agricultural machinery parts. Background Art
[0002] Agricultural machinery parts, such as ball bearings, face numerous technical challenges during heat treatment. Conventional continuous heating furnaces struggle to achieve uniform heating of small, regular parts like ball bearings, leading to significant differences in microstructure and properties between the core and surface, impacting wear resistance and fatigue life. The quenching process is inefficient, with slow part transfer causing a sudden drop in temperature. Furthermore, the intense boiling of hot parts in water produces large amounts of steam, which can cause splashing and hinder continuous production. The decarburized layer formed on the part surface easily breaks off and becomes intertwined and adheres during heat treatment, making cleaning time-consuming. To address these challenges, we propose a continuous heating furnace for the heat treatment of agricultural machinery parts. Summary of the Invention
[0003] The present invention mainly solves the technical problems existing in the above-mentioned prior art and provides a continuous heating furnace for heat treatment of agricultural machinery parts.
[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a continuous heating furnace for heat treatment of agricultural machinery parts, comprising a base, a heating furnace body fixedly installed on the top of the base, a fixed cooling box provided near the bottom of the base, a discharge pipe fixedly installed on the bottom side of the cooling box, a movable plug provided inside the discharge pipe, a sliding movable ring provided inside the cooling box, a sliding movable ring provided inside the movable ring, a rotating tray provided inside the movable ring, the cross section of the tray being a sloped structure inclined downward toward the center of the circle, a first guide cavity provided equidistantly on the inside of the movable ring, A discharge cavity that is interconnected with the interior of the first guide cavity is provided on the bottom side of the movable ring, a slide groove is provided at the center position of the tray, a movable slide rod is provided inside the slide groove, a connecting cylinder is fixedly installed on the upper end of the slide rod, a discharge groove is provided on the side of the connecting cylinder, an inner spline cylinder is fixedly installed on the upper end of the connecting cylinder, a feed expansion pipe is fixedly installed on the upper end of the inner spline cylinder, a flame heater is provided inside the heating furnace body, a water inlet pipe is installed at the position corresponding to the water inlet hole on the outside of the cooling box, an exhaust structure is provided at the position corresponding to the exhaust hole on the outside of the cooling box, and a blocking ring adapted to the discharge cavity is fixedly installed on the inner side of the movable ring.
[0005] Preferably, a plurality of mounting cavities are provided on the inner side of the movable ring, and a movable block is slidably installed inside the mounting cavity, a spring is fixedly installed on the upper end of the movable block, and the end of the spring away from the movable block is fixedly installed on the side of the mounting cavity, and a first lever and a second lever are fixedly installed on the sides of two adjacent mounting cavities respectively, and the first lever and the second lever are inclined blocks adapted to the upper inclined surface of the tray, and a second lever is fixedly installed on the outer side of the sliding rod corresponding to the side of the first lever and the second lever away from the movable ring, and an extrusion ring is fixedly installed on the outer side of the sliding rod corresponding to the connecting ring.
[0006] Preferably, a support rod is fixedly mounted on the bottom side of the cooling box, a support ring is fixedly mounted on the upper end of the support rod, and the tray is rotatably mounted above the support ring.
[0007] Preferably, a first telescopic rod is fixedly installed on the upper side of the base corresponding to the center position of the cooling box, a plug is movably installed inside the discharge pipe, a water seepage ring is fixedly installed on the bottom side of the plug, and the output end of the first telescopic rod is fixedly installed on the lower end of the plug. The water seepage ring is an annular block and rectangular grooves are equidistantly provided on the side.
[0008] Preferably, two connecting ears are fixedly installed on the side of the movable ring, a fourth telescopic rod is fixedly installed on the upper side of the base corresponding to the position of the connecting ears, and the output end of the fourth telescopic rod is fixedly installed on the bottom side of the connecting ear.
[0009] Preferably, a second telescopic rod is fixedly mounted on the upper side of the base, and an output end of the second telescopic rod is fixedly mounted on the bottom side of the movable ring.
[0010] Preferably, a second guide cavity is provided on the bottom side of the sliding rod, air outlet holes are provided at equal distances on the side of the sliding rod corresponding to the position of the second guide cavity, a connecting rod is fixedly installed on the side of the cooling box, and a block is fixedly installed on the upper side of the connecting rod corresponding to the position of the second guide cavity, and the block extends to the interior of the second guide cavity.
[0011] Preferably, a mounting bracket is fixedly installed on the upper side of the heating furnace body, and a spline sleeve that engages with the inner spline cylinder is rotatably installed on the upper end of the mounting bracket. A rotating motor is fixedly installed on the upper side of the heating furnace body, and spline teeth that engage with the spline sleeve are fixedly installed on the upper end of the rotating motor. A mounting plate is rotatably installed on the outer side of the inner spline cylinder, and the mounting plate is slidably installed on the upper side of the heating furnace body. A third telescopic rod is fixedly installed on the upper side of the heating furnace body, and the output end of the third telescopic rod is fixedly installed on the bottom side of the mounting plate.
[0012] Preferably, a detachable plug rod is provided on the upper side of the heating furnace body. The plug rod is an "L"-shaped block, and fan blades are fixedly installed on the side of the plug rod corresponding to the interior of the inner spline cylinder.
[0013] Preferably, the feed expansion tube is a trumpet tube, and the upper end opening of the feed expansion tube is larger and the lower end opening is smaller. Beneficial effects
[0014] The present invention provides a continuous heating furnace for heat treatment of agricultural machinery parts. It has the following beneficial effects: (1) The continuous heating furnace for heat treatment of agricultural machinery parts has a sloped structure design of the rotating tray, which is combined with the uniform rotation driven by the slide rod, so that the balls are evenly spread and converge toward the center under the action of centrifugal force and gravity. The lever system is added to the inner side of the moving ring: the inclined surface of the first lever accurately hits the balls, causing them to flip, solving the problem of uneven heating of the ball contact surface in traditional heating; the second lever effectively breaks up the accumulation of balls and ensures sufficient penetration of heat flow. At the same time, the first lever continuously scrapes the surface of the tray during rotation, pre-peeling and guiding the decarburized layer to move outward, preventing its high-temperature adhesion from the root, laying the foundation for the subsequent separation of the decarburized layer, and achieving heating uniformity, anti-accumulation and pre-cleaning effects.
[0015] (2) In the continuous heating furnace for heat treatment of agricultural machinery parts, the movable ring is driven by the fourth telescopic rod to precisely descend so that the first guide cavity inside it is aligned with the edge of the tray. After heating is completed, the tray rotates briefly, and the surface decarburized layer is preferentially thrown into the first guide cavity and the discharge cavity under the action of centrifugal force, falling into the water of the cooling box below and settling downward. The tray rotates at high speed again, and the balls are strongly thrown out under the action of centrifugal force, and are shot into the water of the cooling box at high speed along the first guide cavity and the discharge cavity. This "throw-in" quenching greatly shortens the transfer time, reduces the temperature drop, and ensures the quenching intensity. Subsequently, the second telescopic rod drives the movable ring to rise, and its inner blocking ring tightly seals the bottom of the discharge cavity, and the large amount of steam generated by quenching is discharged in a directional manner through the exhaust hole and the connecting structure. The uniquely designed water seepage ring is integrated into the plug: when the first telescopic rod lifts the plug, the cooling water can slowly seep out through its rectangular groove, carrying fine decarburized residues and discharging them first, achieving coarse separation; while the larger quenched workpieces are temporarily stored in the box and discharged through the discharge pipe after the plug is fully opened.
[0016] (3) In this continuous heating furnace for heat treatment of agricultural machinery parts, the steam generated by quenching can be used in reverse. When the slide rod is lifted by the third telescopic rod to release the block from the second guide cavity, the steam is sprayed at high speed through this cavity and the air outlet to the surface of the rotating tray. The synchronously rotating tray is cleaned online at high temperature under the scouring of the steam flow.
[0017] (4) In this continuous heating furnace for heat treatment of agricultural machinery parts, the "L"-shaped insert and its blades extend into the inner spline cylinder. When the cylinder rotates, the blades are disturbed, effectively breaking up any ball bridges that may form, ensuring smooth feeding. The bell-shaped design of the feed expansion pipe further optimizes feeding. These structures significantly reduce manual cleaning and downtime, ensuring continuous production. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.
[0019] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons skilled in the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.
[0020] Figure 1 Schematic diagram of the overall structure of the heating furnace of the present invention; Figure 2 is a side sectional view of the present invention; Figure 3 is a side sectional view of the movable ring of the present invention; Figure 4 It is a schematic diagram of the partial structure of the movable ring of the present invention; Figure 5 It is a schematic diagram of the partial structure of the cooling box of the present invention; Figure 6 It is a schematic diagram of the partial structure of the fan blade of the present invention.
[0021] Legend: 1. Base; 2. Heating furnace body; 311. Cooling box; 312. Discharge pipe; 313. Support rod; 314. Support ring; 315. Water inlet; 316. Exhaust hole; 321. Plug; 322. Water seepage ring; 323. First telescopic rod; 411. Tray; 511. Movable ring; 512. Plug ring; 513. Second telescopic rod; 611. Movable ring; 612. First guide cavity; 613. Discharge cavity; 621. Mounting cavity; 622. Movable block; 623. Spring; 624. First lever; 625. Second lever; 626. 6. Connecting ring; 631. Fourth telescopic rod; 632. Connecting ear; 711. Slide groove; 712. Slide rod; 713. Connecting tube; 714. Discharge chute; 715. Extrusion ring; 721. Inner spline tube; 722. Feed expansion tube; 723. Mounting frame; 724. Spline sleeve; 725. Rotating motor; 726. Spline teeth; 727. Mounting plate; 728. Third telescopic rod; 731. Insert rod; 732. Fan blade; 811. Connecting rod; 812. Block; 813. Second guide cavity; 814. Air outlet; 9. Flame heater. DETAILED DESCRIPTION
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] like Figures 1-6As shown, a continuous heating furnace for heat treatment of agricultural machinery parts includes a base 1, a heating furnace body 2 is fixedly installed on the top of the base 1, a fixed cooling box 311 is provided near the bottom of the base 1, a discharge pipe 312 is fixedly installed on the bottom side of the cooling box 311, a movable plug 321 is provided inside the discharge pipe 312, a sliding movable ring 511 is provided on the inside of the cooling box 311, a sliding movable ring 611 is provided on the inside of the movable ring 511, a rotating tray 411 is provided inside the movable ring 611, the cross section of the tray 411 is a sloped structure inclined downward toward the center of the circle, a first guide cavity 612 is equidistantly provided on the inside of the movable ring 611, and a bottom side of the movable ring 611 is provided with an inner portion of the first guide cavity 612. The discharge chamber 613 is interconnected, and a slide groove 711 is provided at the center of the tray 411. A movable slide rod 712 is provided inside the slide groove 711. A connecting cylinder 713 is fixedly installed on the upper end of the slide rod 712. A discharge trough 714 is provided on the side of the connecting cylinder 713. An inner spline cylinder 721 is fixedly installed on the upper end of the connecting cylinder 713. A feed expansion pipe 722 is fixedly installed on the upper end of the inner spline cylinder 721. A flame heater 9 is provided inside the heating furnace body 2. A water inlet pipe is installed at the position corresponding to the water inlet hole 315 on the outside of the cooling box 311. An exhaust structure is provided at the position corresponding to the exhaust hole 316 on the outside of the cooling box 311. A blocking ring 512 adapted to the discharge chamber 613 is fixedly installed on the inner side of the movable ring 511. When in use, the ball pass The material is fed from above the feed expansion tube 722, and the balls fall into the interior of the tray 411 through the inner spline cylinder 721, the connecting cylinder 713 and the discharge chute 714, causing the slide bar 712 to rotate, and the slide bar 712 drives the tray 411 to rotate. During the rotation of the tray 411, the balls are evenly dispersed above the tray 411, and the flame heater 9 is used to spray the balls above the tray 411 to heat the balls. During the heating process, the balls move with the rotation of the tray 411, and then converge to the center of the tray 411 along the inclined surface above the tray 411 for concentrated heating. As the tray 411 rolls, the decarburized layer on the surface of the tray 411 is affected by the rotation of the tray 411 and is thrown to the outside of the tray 411. In the initial state, water is stored inside the cooling box 311. After heating, the movable ring 611 moves downward. When the tray 411 moves to the position of the movable ring 611, the decarburized layer passes through the first guide cavity 612 and the discharge cavity 613 and falls into the water inside the cooling box 311. Then, the rotation speed of the tray 411 is accelerated, and the heated balls are thrown out by the tray 411 and pass through the first guide cavity 612 and the discharge cavity 613 and fall into the water inside the cooling box 311 for quenching. At this time, the movable ring 511 is moved upward, and the movable ring 511 drives the blocking ring 512 to move upward. The blocking ring 512 blocks the position of the discharge cavity 613, so that the quenched steam is discharged through the exhaust structure connected to the exhaust hole 316. Finally, the quenched balls are discharged through the discharge pipe 312.The inner side of the moving ring 611 is provided with a plurality of mounting cavities 621, and a moving block 622 is slidably installed inside the mounting cavity 621. A spring 623 is fixedly installed on the upper end of the moving block 622. The end of the spring 623 away from the moving block 622 is fixedly installed on the side of the mounting cavity 621. The sides of the two adjacent mounting cavities 621 are respectively fixedly installed with a first lever 624 and a second lever 625. The first lever 624 and the second lever 625 are inclined blocks adapted to the upper inclined surface of the tray 411. The second lever 625 is fixedly installed on the outer side of the slide rod 712 corresponding to the side away from the moving ring 611. The outer side of the slide rod 712 is fixedly installed with an extrusion ring 726 corresponding to the upper side of the connecting ring 626. 15. During heating, when the tray 411 rotates with the balls, the first lever 624 strikes the balls so that the balls are squeezed and moved, causing the balls to flip over and be evenly heated. The second lever 625 moves the accumulated balls to press them down. During the heating process, the first lever 624 can also move the decarburized layer attached to the upper side of the tray 411 to prevent the decarburized layer from adhering to the upper side of the tray 411. During the unloading process, the moving ring 611 moves the upper side of the tray 411 downward to the position of the first guide cavity 612. The first lever 624 blocks the movement of the balls, so that the moving direction of the rotating balls is along the direction of the first lever 624 to guide the unloading. The bottom side of the cooling box 311 is fixedly installed with a support rod 313, the upper end of the support rod 313 is fixedly installed with a support ring 314, the tray 411 is rotatably installed above the support ring 314, the tray 411 rotates with the rotation of the slide bar 712, and the tray 411 rotates above the support ring 314. The upper side of the base 1 is fixedly installed with a first telescopic rod 323 at the center position of the cooling box 311, and the internal movability of the discharge pipe 312 is provided with a plug 321, and the bottom side of the plug 321 is fixedly installed with a water seepage ring 322. The first telescopic rod 323 is fixedly installed with a plug 321. The output end of 3 is fixedly installed at the lower end of the plug 321. The water seepage ring 322 is an annular ring with rectangular grooves equidistantly opened on the side. The plug 321 is driven to move by the first telescopic rod 323. When the plug 321 is blocked inside the discharge pipe 312, water is collected inside the cooling box 311. When the plug 321 moves upward and the water seepage ring 322 is still inside the first telescopic rod 323, water continues to flow into the water inlet hole 315. Part of the water mixed with the carbonized layer flows out from the rectangular gap of the water seepage ring 322, thereby simply separating the carbonized layer. Two connecting ears 632 are fixedly installed on the side of the mobile ring 611, and a fourth telescopic rod 631 is fixedly installed on the upper side of the base 1 at the position corresponding to the connecting ear 632. The output end of the fourth telescopic rod 631 is fixedly installed on the bottom side of the connecting ear 632, and the connecting ear 632 and the mobile ring 611 are driven to move by the fourth telescopic rod 631. A second telescopic rod 513 is fixedly installed on the upper side of the base 1, and the output end of the second telescopic rod 513 is fixedly installed on the bottom side of the movable ring 511. The movable ring 511 is controlled to move up and down by the second telescopic rod 513. A second guide cavity 813 is provided on the bottom side of the sliding rod 712, and air outlet holes 814 are equidistantly provided on the side of the sliding rod 712 corresponding to the position of the second guide cavity 813. A connecting rod 811 is fixedly installed on the side of the cooling box 311, and the connecting rod 811 is connected. The upper side of the rod 811 is fixedly installed with a blocking block 812 at the position corresponding to the second guide cavity 813. The blocking block 812 extends into the interior of the second guide cavity 813. When it is necessary to clean the top of the tray 411, the movable ring 611 is first moved downward to move the tray 411 to the position of the first guide cavity 612, and then the sliding rod 712 is moved upward to separate the blocking block 812 from the interior of the second guide cavity 813. The movable ring 511 is moved upward, and the movable ring 511 brings the blocking ring 512 to block the bottom side of the discharge cavity 613. During quenching, the steel ball generates a large amount of steam when cooling. The steam is blown to the top of the tray 411 through the second guide cavity 813 and the air outlet 814. The sliding rod 712 drives the tray 411 to rotate, and the top of the tray 411 is cleaned by the steam flow. A mounting bracket 723 is fixedly installed on the upper side of the heating furnace body 2, and a spline sleeve 724 that meshes with the inner spline cylinder 721 is rotatably installed on the upper end of the mounting bracket 723. A rotating motor 725 is fixedly installed on the upper side of the heating furnace body 2, and a spline tooth 726 that meshes with the spline sleeve 724 is fixedly installed on the upper end of the rotating motor 725. A mounting plate 727 is rotatably installed on the outer side of the inner spline cylinder 721. The mounting plate 727 is slidably installed on the upper side of the heating furnace body 2. A third telescopic rod 728 is fixedly installed on the upper side of the heating furnace body 2, and the output end of the third telescopic rod 728 is fixedly installed on the bottom side of the mounting plate 727. The telescopic rod 728 drives the mounting plate 727 and the inner spline cylinder 721 to move up and down, the rotating motor 725 drives the spline teeth 726 to rotate, and the spline teeth 726 drive the spline sleeve 724 and the inner spline cylinder 721 to rotate. A detachable plug rod 731 is provided on the upper side of the heating furnace body 2. The plug rod 731 is an "L"-shaped block. The side of the plug rod 731 corresponds to the inner part of the inner spline cylinder 721 and is fixed with fan blades 732. The inner spline cylinder 721 rotates with the fan blades 732 to perform corresponding rotation to clear the small ball bearings of the unloading material. The feed expansion pipe 722 is a trumpet tube. The upper end opening of the feed expansion pipe 722 is large and the lower end opening is small.
[0024] Working principle of the present invention: When in use, the balls are fed through the top of the feed expansion tube 722, and the balls fall into the interior of the tray 411 through the inner spline cylinder 721, the connecting cylinder 713 and the discharge chute 714, causing the slide bar 712 to rotate, and the slide bar 712 drives the tray 411 to rotate. During the rotation of the tray 411, the balls are evenly dispersed above the tray 411, and the flame heater 9 is used to spray the balls above the tray 411 to heat the balls. During the heating process, the balls move with the rotation of the tray 411, and then gather to the center of the tray 411 along the inclined surface above the tray 411 for concentrated heating. As the tray 411 rolls, the decarburized layer on the surface of the tray 411 is heated by the tray 411. The influence of rotation is thrown to the outside of the tray 411. In the initial state, water is stored inside the cooling box 311. After heating, the movable ring 611 moves downward. When the tray 411 moves to the position of the movable ring 611, the decarburized layer passes through the first guide cavity 612 and the discharge cavity 613 and falls into the water inside the cooling box 311. The rotation speed of the tray 411 is accelerated again, and the heated balls are thrown out by the tray 411 and pass through the first guide cavity 612 and the discharge cavity 613 and fall into the water inside the cooling box 311 for quenching. At this time, the movable ring 511 is moved upward, and the movable ring 511 drives the blocking ring 512 to move upward. The blocking ring 512 blocks the position of the discharge cavity 613, so that the quenched steam is discharged through the exhaust structure connected to the exhaust hole 316. The balls after quenching are discharged through the discharge pipe 312. When the tray 411 rotates with the balls during heating, the first lever 624 hits the balls so that the balls are squeezed and moved, and the balls are turned over for uniform heating. The second lever 625 moves the accumulated balls to press them down. During the heating process, the first lever 624 can also move the decarburized layer attached to the upper side of the tray 411 to prevent the decarburized layer from sticking to the top of the tray 411. During the unloading process, the moving ring 611 moves the upper side of the tray 411 downward to the position of the first guide cavity 612. The first lever 624 hinders the movement of the balls, so that the moving direction of the rotating balls is along the first lever 624. The tray 411 rotates with the rotation of the slide bar 712, and the tray 411 rotates above the support ring 314, and the plug 321 is driven to move by the first telescopic rod 323. When the plug 321 is blocked inside the discharge pipe 312, water is gathered inside the cooling box 311. When the plug 321 moves upward and the water seepage ring 322 is still inside the first telescopic rod 323, water continues to flow into the water inlet hole 315. Part of the water mixed with the carbonized layer flows out of the rectangular gap of the water seepage ring 322 to make a simple separation of the carbonized layer. The connecting ear 632 and the movable ring 611 are driven to move by the fourth telescopic rod 631, and the movable ring 511 is controlled to move up and down by the second telescopic rod 513.When it is necessary to clean the top of the tray 411, first move the movable ring 611 downward so that the tray 411 moves to the position of the first guide cavity 612, then move the sliding rod 712 upward to separate the blocking block 812 from the inside of the second guide cavity 813, and move the movable ring 511 upward. The movable ring 511 and the blocking ring 512 seal the bottom side of the discharge cavity 613. During quenching, the steel balls generate a large amount of steam when cooling. The steam is blown to the top of the tray 411 through the second guide cavity 813 and the air outlet 814. The sliding rod 712 drives the tray 411 to rotate, and the steam flow cleans the top of the tray 411. The third telescopic rod 728 drives the mounting plate 727 and the inner spline cylinder 721 to move up and down, and the rotating motor 725 drives the spline teeth 726 to rotate. The spline teeth 726 drive the spline sleeve 724 and the inner spline cylinder 721 to rotate. The inner spline cylinder 721 rotates with the fan blades 732 to perform corresponding rotation to dredge the small balls for unloading.
[0025] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A continuous heating furnace for heat treatment of agricultural machinery parts, comprising a base (1), a heating furnace body (2) fixedly mounted above the base (1), characterized in that: A fixed cooling box (311) is provided near the bottom of the base (1), a discharge pipe (312) is fixedly installed on the bottom side of the cooling box (311), a movable plug (321) is provided inside the discharge pipe (312), a sliding movable ring (511) is provided inside the cooling box (311), a sliding moving ring (611) is provided inside the moving ring (511), a rotating tray (411) is provided inside the moving ring (611), the cross section of the tray (411) is a sloped structure inclined downward toward the center of the circle, a first guide cavity (612) is provided at equal intervals on the inside of the moving ring (611), a discharge cavity (613) is provided on the bottom side of the moving ring (611) and is communicated with the inside of the first guide cavity (612), the tray (411) A slide groove (711) is provided at the center position of the slide groove (711), a movable slide rod (712) is provided inside the slide groove (711), a connecting tube (713) is fixedly installed on the upper end of the slide rod (712), a discharge groove (714) is provided on the side of the connecting tube (713), an inner spline tube (721) is fixedly installed on the upper end of the connecting tube (713), a feed expansion tube (722) is fixedly installed on the upper end of the inner spline tube (721), a flame heater (9) is provided inside the heating furnace body (2), a water inlet pipe is installed at a position corresponding to the water inlet hole (315) on the outside of the cooling box (311), an exhaust structure is provided at a position corresponding to the exhaust hole (316) on the outside of the cooling box (311), and a blocking ring (512) adapted to the discharge cavity (613) is fixedly installed on the inner side of the movable ring (511).
2. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 1, characterized in that: The inner side of the movable ring (611) is provided with a plurality of mounting cavities (621), and a movable block (622) is slidably mounted inside the mounting cavity (621). A spring (623) is fixedly mounted on the upper end of the movable block (622), and one end of the spring (623) away from the movable block (622) is fixedly mounted on the side of the mounting cavity (621). A first shift rod (624) and a second shift rod (625) are fixedly mounted on the side of two adjacent mounting cavities (621), respectively. The first shift rod (624) and the second shift rod (625) are inclined blocks adapted to the upper inclined surface of the tray (411). The second shift rod (625) is fixedly mounted on the outer side of the slide rod (712) corresponding to the side of the first shift rod (624) and the second shift rod (625) away from the movable ring (611), and an extrusion ring (715) is fixedly mounted on the outer side of the slide rod (712) corresponding to the top of the connecting ring (626).
3. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 2, characterized in that: A support rod (313) is fixedly mounted on the bottom side of the cooling box (311), a support ring (314) is fixedly mounted on the upper end of the support rod (313), and the tray (411) is rotatably mounted above the support ring (314).
4. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 3, characterized in that: A first telescopic rod (323) is fixedly installed on the upper side of the base (1) at the center position of the cooling box (311), a plug (321) is movably installed inside the discharge pipe (312), a water seepage ring (322) is fixedly installed on the bottom side of the plug (321), the output end of the first telescopic rod (323) is fixedly installed on the lower end of the plug (321), and the water seepage ring (322) is annular and has rectangular grooves equidistantly provided on its side.
5. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 4, characterized in that: Two connecting ears (632) are fixedly mounted on the side of the movable ring (611), a fourth telescopic rod (631) is fixedly mounted on the upper side of the base (1) at a position corresponding to the connecting ears (632), and an output end of the fourth telescopic rod (631) is fixedly mounted on the bottom side of the connecting ears (632).
6. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 5, characterized in that: A second telescopic rod (513) is fixedly mounted on the upper side of the base (1), and an output end of the second telescopic rod (513) is fixedly mounted on the bottom side of the movable ring (511).
7. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 6, characterized in that: A second guide cavity (813) is provided on the bottom side of the slide rod (712), and air outlet holes (814) are provided at equal intervals on the side of the slide rod (712) corresponding to the position of the second guide cavity (813). A connecting rod (811) is fixedly installed on the side of the cooling box (311), and a blocking block (812) is fixedly installed on the upper side of the connecting rod (811) corresponding to the position of the second guide cavity (813), and the blocking block (812) extends to the interior of the second guide cavity (813).
8. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 7, characterized in that: A mounting frame (723) is fixedly mounted on the upper side of the heating furnace body (2); a spline sleeve (724) meshing with the inner spline cylinder (721) is rotatably mounted on the upper end of the mounting frame (723); a rotating motor (725) is fixedly mounted on the upper side of the heating furnace body (2); spline teeth (726) meshing with the spline sleeve (724) are fixedly mounted on the upper end of the rotating motor (725); a mounting plate (727) is rotatably mounted on the outer side of the inner spline cylinder (721); the mounting plate (727) is slidably mounted on the upper side of the heating furnace body (2); a third telescopic rod (728) is fixedly mounted on the upper side of the heating furnace body (2); and an output end of the third telescopic rod (728) is fixedly mounted on the bottom side of the mounting plate (727).
9. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 8, characterized in that: A detachable plug rod (731) is provided on the upper side of the heating furnace body (2). The plug rod (731) is an "L"-shaped block. A fan blade (732) is fixedly installed on the side of the plug rod (731) corresponding to the interior of the inner spline cylinder (721).
10. The continuous heating furnace for heat treatment of agricultural machinery parts according to claim 9, characterized in that: The feed expansion pipe (722) is a trumpet pipe, and the upper end opening of the feed expansion pipe (722) is large and the lower end opening is small.