Horizontal spheroidizing annealing furnace for low-carbon steel
By designing a moving and turning component and a dust collection system in a horizontal spheroidizing annealing furnace for low-carbon steel, the problem of uneven heating at the bottom of the workpiece was solved, achieving uniform heating at the bottom of the workpiece and efficient cleaning of debris, thus improving material quality and ease of maintenance.
Patent Information
- Application Number
- CN202520059659.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-10
AI Technical Summary
In a horizontal spheroidizing annealing furnace for low-carbon steel, the bottom of the workpiece is obstructed by the conveying mechanism, resulting in insufficient contact between the bottom of the workpiece and the flame, leading to uneven heating and affecting the quality of the material.
A mobile flipping component was designed, which uses the meshing connection of gears and teeth to make the box and the cover rotate 180° in a cycle during the movement, ensuring uniform heating of the bottom of the workpiece, and collecting debris through arc-shaped collection grooves and square grooves, and quickly cleaning it with a vacuum pipe.
It improves heat transfer efficiency, reduces quality problems caused by uneven heating, ensures uniform heating of the bottom of the workpiece, and simplifies daily maintenance.
Smart Images
Figure CN223723172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to horizontal spheroidizing annealing furnace technical field, concretely to a low carbon steel horizontal spheroidizing annealing furnace. BACKGROUND
[0002] Low carbon steel horizontal spheroidizing annealing furnace adopts horizontal design, is mainly used to carry out spheroidizing annealing treatment to low carbon steel workpiece, and spheroidizing annealing is a kind of heat treatment process, and its purpose is to make the ferrite ball of steel fine, eliminate the two-phase region of supercooled austenite, thereby reduce the hardness of steel, improve its plasticity and toughness, provide better performance for subsequent processing and use;
[0003] Low carbon steel workpiece is sent to the furnace for spheroidizing annealing treatment in the process of spheroidizing annealing process treatment by the conveying mechanism connected with the storage tray containing low carbon steel workpiece, due to the obstruction of the conveying mechanism to the bottom of workpiece, the bottom of workpiece cannot be in full contact with flame, leading to uneven overall heating, so that the organization transformation of different parts exists difference, affect the quality of material, therefore, a low carbon steel horizontal spheroidizing annealing furnace is provided for the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a low carbon steel horizontal spheroidizing annealing furnace to solve the problem that due to the obstruction of the conveying mechanism to the bottom of workpiece, the bottom of workpiece cannot be in full contact with flame, leading to uneven overall heating, so that the organization transformation of different parts exists difference, affect the quality of material.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A low carbon steel horizontal spheroidizing annealing furnace, including horizontal furnace body, the bottom end of the horizontal furnace body furnace cavity is fixedly connected with bottom table, the inside fixed mounting of bottom table has roller conveyor, the both sides of the top of bottom table are fixedly connected with fixed column, the middle part of horizontal furnace body furnace cavity is installed with mobile turnover assembly;The mobile turnover assembly includes two support rails, and the top of fixed column is fixedly arranged with the support rail, the outside of support rail is fixedly connected with the grooved rod, the middle part of grooved rod is fixedly provided with three groups of teeth, the inside of support rail is slidably connected with sliding block, the top of sliding block is fixedly connected with connecting seat, the middle part of connecting seat is rotatably connected with connecting shaft, and one end of connecting shaft is fixedly connected with gear, and the placing mechanism is fixedly connected between two connecting shafts, and the support mechanism is installed below the placing mechanism;The support mechanism includes support box, the inside of support box is fixedly connected with grooved block, the upper surface of grooved block is provided with arc collecting groove, the middle part of arc collecting groove is provided with square groove, the inside of square groove is fixedly connected with dust suction pipe, and the middle part of dust suction pipe is fixedly connected with connecting pipe.
[0007] As the further optimization of the utility model, wherein: the placing mechanism includes a support rod, the support rod is fixedly arranged between the two connecting shafts, the top of the support rod is fixedly connected with a box body, the top of the box body is provided with a box cover through bolts, the surface of the box body and the surface of the box cover are both provided with through holes
[0008] As the further optimization of the utility model, wherein: the vertical section shape of the connecting seat is "T" shape, the two connecting seats are symmetrically arranged left and right with the support box as the center, and the bottom end of the connecting seat is attached to the upper surface of the support rail.
[0009] As the further optimization of the utility model, wherein: the gear is located above the teeth, the teeth in the middle of the two grooved rods are correspondingly arranged left and right, and the gear is in meshing connection with the teeth.
[0010] As the further optimization of the utility model, wherein: the support box is located between the two fixed columns, the top of the two sides of the support box is rotatably connected with the middle part of the two connecting shafts, and the bottom end of the support box is attached to the conveying end of the roller conveyor.
[0011] As the further optimization of the utility model, wherein: the arc-shaped collecting groove is located above the square groove, and the inner side of the arc-shaped collecting groove is in communication with the inner side of the square groove.
[0012] As the further optimization of the utility model, wherein: the inner side of the dust suction pipe is in communication with the inner side of the connecting pipe, and the front end of the connecting pipe extends to the outer side of the grooved block.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] In the utility model, the box body and the box cover can be cyclically turned by 180 degrees in the moving process through the meshing connection of the gear and the teeth of the moving and turning assembly, so that the uniformity of the heating of the workpiece bottom is ensured, the heat transfer efficiency is improved, the quality problems of the workpiece caused by uneven heating are reduced, the arc-shaped collecting groove and the square groove are designed in the support mechanism below the placing mechanism, the debris generated in the turning process can be effectively collected, the connecting pipe is connected with the external dust suction equipment, the debris in the square groove can be quickly cleaned through the negative pressure formed by the dust suction pipe, and the daily maintenance is more convenient and efficient. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model;
[0016] Figure 2 It is a local structure schematic view of the utility model;
[0017] Figure 3It is partial structure schematic view of the mobile turnover assembly of the utility model;
[0018] Figure 4 It is partial structure schematic view two of the mobile turnover assembly of the utility model;
[0019] Figure 5 It is cross section structure schematic view of the placing mechanism of the utility model;
[0020] Figure 6 It is structure schematic view of the support mechanism of the utility model.
[0021] In the drawing: 1, horizontal furnace body; 2, bottom table; 3, roller conveyor; 4, fixed column; 5, mobile turnover assembly;
[0022] 51, support rail; 52, slotted rod; 53, tooth; 54, sliding block; 55, connecting seat; 56, connecting shaft; 57, gear; 58, placing mechanism; 59, support mechanism;
[0023] 580, support rod; 581, box; 582, box cover; 583, through hole;
[0024] 591, support box; 592, slotted block; 593, arc-shaped collection groove; 594, square groove; 595, dust suction pipe; 596, connecting pipe. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0027] Please refer to Figures 1-6 The utility model provides a technical scheme:
[0028] The low-carbon steel horizontal spheroidizing annealing furnace, including a horizontal furnace body 1, the bottom end of the furnace cavity of the horizontal furnace body 1 is fixedly connected with a bottom table 2, the inside of the bottom table 2 is fixedly installed with a roller conveyor 3, the two sides of the top end of the bottom table 2 are fixedly connected with fixed columns 4, and the middle part of the furnace cavity of the horizontal furnace body 1 is installed with a moving and overturning assembly 5; the moving and overturning assembly 5 includes two supporting rails 51, the supporting rails 51 are fixedly arranged at the top end of the fixed columns 4, the outer sides of the supporting rails 51 are fixedly connected with slotted rods 52, three groups of teeth 53 are fixedly arranged in the middle part of the slotted rods 52, the inner sides of the supporting rails 51 are slidably connected with sliding blocks 54, the top end of the sliding block 54 is fixedly connected with a connecting seat 55, the middle part of the connecting seat 55 is rotatably connected with a connecting shaft 56, one end of the connecting shaft 56 is fixedly connected with a gear 57, a placing mechanism 58 is fixedly connected between the two connecting shafts 56, and a supporting mechanism 59 is arranged below the placing mechanism 58; the supporting mechanism 59 includes a supporting box 591, the inner side of the supporting box 591 is fixedly connected with a slotted block 592, an arc-shaped collecting groove 593 is arranged on the upper surface of the slotted block 592, a square groove 594 is arranged in the middle part of the arc-shaped collecting groove 593, a dust suction pipe 595 is fixedly connected to the inner side of the square groove 594, and a connecting pipe 596 is fixedly connected to the middle part of the dust suction pipe 595.
[0029] As a further implementation of the scheme, the placing mechanism 58 includes a supporting rod 580, the supporting rod 580 is fixedly arranged between the two connecting shafts 56, the top of the supporting rod 580 is fixedly connected with a box body 581, the top end of the box body 581 is provided with a box cover 582 through bolts, and the surfaces of the box body 581 and the box cover 582 are both provided with through holes 583, so that the flame in the furnace can enter the cavity of the box body 581 through the through holes 583;
[0030] As a further implementation of the scheme, the vertical section shape of the connecting seat 55 is "T"-shaped, the two connecting seats 55 are symmetrically arranged left and right with the supporting box 591 as the center, the bottom end of the connecting seat 55 is in close contact with the upper surface of the supporting rail 51, so that the movement of the connecting seat 55 is more stable, the vertical section shape of the connecting seat 55 is "T"-shaped structure, the lower gear 57 can be protected through the upper surface of the connecting seat 55, and the influence of the rotation effect of the gear 57 caused by the accidental falling of objects is avoided;
[0031] As a further implementation of the scheme, the gear 57 is located above the teeth 53, the teeth 53 in the middle part of the two slotted rods 52 are correspondingly arranged left and right, the gear 57 is in meshing connection with the teeth 53, so that the gear 57 can rotate in the process of moving the supporting box 591;
[0032] As a further implementation of the present scheme, the support box 591 is located between the two fixed columns 4, and the top of the two sides of the support box 591 is rotatably connected with the middle part of the two connecting shafts 56, respectively, and the bottom end of the support box 591 is attached to the conveying end of the roller conveyor 3, and the conveying end of the roller conveyor 3 is used to provide power for the movement of the support box 591, and the support box 591 can drive the synchronous movement of the upper placement mechanism 58;
[0033] As a further implementation of the present scheme, the arc-shaped collecting groove 593 is located above the square groove 594, the inner side of the arc-shaped collecting groove 593 is communicated with the inner side of the square groove 594, the inner side of the dust suction pipe 595 is communicated with the inner side of the connecting pipe 596, the front end of the connecting pipe 596 extends to the outer side of the grooved block 592, and the bottom end of the dust suction pipe 595 is provided with a plurality of dust suction holes corresponding to the bottom end of the inner side of the square groove 594, which facilitates the cleaning of the falling debris.
[0034] Work flow: the roller conveyor 3 is powered by an external power source, the box body 581 and the box cover 582 are used to place low-carbon steel workpieces to be spheroidized and annealed, the bottom end of the support box 591 is attached to the conveying end of the roller conveyor 3, and the conveying function of the roller conveyor 3 is used to provide power for the movement of the support box 591, and the support box 591 in turn drives the synchronous movement of the upper placement mechanism 58, the inner side of the support rail 51 is slidably connected with the sliding block 54, ensuring the stability of the movement process, when the sliding block 54 moves to the position of the tooth 53, the meshing connection of the gear 57 and the tooth 53 is used to realize the overturning of the box body 581 and the box cover 582, the flame in the furnace enters the cavity of the box body 581 through the through hole 583, and under the cooperation of the three groups of teeth 53, the box body 581 is cyclically overturned, and the overturning angle is 180° each time, which can ensure that the bottom of the processed low-carbon steel workpiece is heated more uniformly, thereby improving the product quality;
[0035] Since the grooved block 592 is located below the placement mechanism 58, the debris generated during the rotation of the box body 581 and the box cover 582 will fall on the arc-shaped collecting groove 593 above the grooved block 592, the arc-shaped collecting groove 593 is designed in an arc shape, so that the debris naturally slides under the action of gravity to the square groove 594 below for collection, and during the cleaning operation, one end of the connecting pipe 596 can be connected with the dust suction end of an external dust suction equipment, so that the dust suction holes of the dust suction pipe 595 form a negative pressure, thereby quickly cleaning the debris in the square groove 594, making daily maintenance more convenient.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A horizontal spheroidizing annealing furnace for low-carbon steel, comprising a horizontal furnace body (1), characterized in that: The bottom end of the furnace cavity of the horizontal furnace body (1) is fixedly connected to a base platform (2), a roller conveyor (3) is fixedly installed inside the base platform (2), and fixed columns (4) are fixedly connected to both sides of the top of the base platform (2). A moving and turning assembly (5) is installed in the middle of the furnace cavity of the horizontal furnace body (1). The movable flipping assembly (5) includes two support rails (51), which are fixedly mounted on the top of the fixed column (4). A grooved rod (52) is fixedly connected to the outer side of the support rail (51), and three sets of teeth (53) are fixedly provided in the middle of the grooved rod (52). A slider (54) is slidably connected to the inner side of the support rail (51). A connecting seat (55) is fixedly connected to the top of the slider (54), and a connecting shaft (56) is rotatably connected to the middle of the connecting seat (55). A gear (57) is fixedly connected to one end of the connecting shaft (56). A placement mechanism (58) is fixedly connected between the two connecting shafts (56), and a support mechanism (59) is installed below the placement mechanism (58). The support mechanism (59) includes a support box (591), a grooved block (592) is fixedly connected to the inner side of the support box (591), an arc-shaped collection groove (593) is opened on the upper surface of the grooved block (592), a square groove (594) is opened in the middle of the arc-shaped collection groove (593), a vacuum pipe (595) is fixedly connected to the inner side of the square groove (594), and a connecting pipe (596) is fixedly connected to the middle of the vacuum pipe (595).
2. The low-carbon steel horizontal spheroidizing annealing furnace according to claim 1, characterized in that: The placement mechanism (58) includes a support rod (580), which is fixedly disposed between two connecting shafts (56). A box body (581) is fixedly connected to the top of the support rod (580). A box cover (582) is bolted to the top of the box body (581). Through holes (583) are opened on the surface of both the box body (581) and the box cover (582).
3. The low-carbon steel horizontal spheroidizing annealing furnace according to claim 1, characterized in that: The vertical cross-section of the connecting seat (55) is "T" shaped. The two connecting seats (55) are symmetrically arranged on the left and right with the support box (591) as the center. The bottom end of the connecting seat (55) is in contact with the upper surface of the support rail (51).
4. A horizontal spheroidizing annealing furnace for low-carbon steel according to claim 1, characterized in that: The gear (57) is located above the teeth (53), and the teeth (53) in the middle of the two grooved rods (52) are arranged in a left-right correspondence, and the gear (57) meshes with the teeth (53).
5. A horizontal spheroidizing annealing furnace for low-carbon steel according to claim 1, characterized in that: The support box (591) is located between two fixed columns (4). The tops of both sides of the support box (591) are rotatably connected to the middle of two connecting shafts (56). The bottom end of the support box (591) is in contact with the conveying end of the roller conveyor (3).
6. A horizontal spheroidizing annealing furnace for low-carbon steel according to claim 1, characterized in that: The arc-shaped collection groove (593) is located above the square groove (594), and the inner side of the arc-shaped collection groove (593) is connected to the inner side of the square groove (594).
7. A horizontal spheroidizing annealing furnace for low-carbon steel according to claim 1, characterized in that: The inner side of the suction pipe (595) is connected to the inner side of the connecting pipe (596), and the front end of the connecting pipe (596) extends to the outer side of the grooved block (592).