Feeding mechanism for continuous hot air tempering furnace
By evenly distributing the nuts using rotating and separating components, combined with precise control of the conveyor belt and electric telescopic rod, the problems of nut accumulation and material collision during feeding are solved, improving heating uniformity and feeding accuracy, and enhancing product quality and production efficiency.
Patent Information
- Application Number
- CN202423127298.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Traditional feeding methods lead to nut accumulation and bunching, resulting in uneven heating, high product defect rate, and susceptibility to damage from gravity impacts during the feeding process, affecting production efficiency and product quality stability.
The nuts are evenly distributed using rotating and separating components, stably conveyed by a conveyor belt, and precisely controlled by an electric telescopic rod and a rotating disc, ensuring uniformity and accuracy of nut heating and feeding.
This ensures uniform heating of the nuts during the heating process, reduces the product defect rate, improves production efficiency and product quality stability, and avoids damage from bumps and knocks during the material cutting process.
Smart Images
Figure CN223660130U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tempering furnace technology, and in particular to a feeding mechanism for a continuous hot air tempering furnace. Background Technology
[0002] The tempering furnace is used for tempering general metal parts in air, as well as for quenching, annealing, and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, and aluminum plates. The outer shell is welded from steel plates and shaped steel, and the trolley is welded from shaped steel and steel plates. The trolley reduces heat radiation and convection loss through soft contact with the furnace lining and a sand sealing mechanism, effectively ensuring the sealing of the furnace body.
[0003] During the manufacturing process of nuts, machining processes such as cold heading and cutting can generate residual stress inside the nut. These internal stresses can cause problems such as deformation and cracking during use. Continuous hot air tempering furnaces heat the nuts to an appropriate temperature range, allowing atoms to gain sufficient energy for diffusion, thereby reducing internal residual stress and improving the dimensional stability of the nut.
[0004] However, traditional feeding methods often rely on simple fixed funnels or static conveying troughs to directly feed nuts into the tempering process. These methods lack an effective and proactive material dispersion mechanism, making it easy for nuts to accumulate and bunch up. This results in uneven heating of the accumulated parts during subsequent heating and tempering, with a significant temperature difference between the outer and inner layers of nuts. It is difficult to accurately control the constant temperature and time conditions required for the tempering process, resulting in inconsistent key mechanical properties such as hardness and toughness after tempering. This leads to a high product defect rate, which seriously restricts production efficiency and product quality stability. As for the unloading stage, traditional unloading methods are rudimentary and crude. They often simply use inclined slides to let the nuts roll naturally into the collection area without any buffering, control, or precise positioning functions. This causes the nuts to be subjected to gravity impact during unloading, making the surface easily bumped and scratched, damaging the appearance and structural integrity.
[0005] Therefore, a feeding mechanism for a continuous hot blast tempering furnace is provided to solve the problems mentioned in the background art. Utility Model Content
[0006] To overcome the above shortcomings, this utility model provides a feeding mechanism for a continuous hot air tempering furnace, aiming to improve the existing technology where nuts are prone to accumulating and clustering, resulting in uneven heating of the accumulated parts during subsequent heating and tempering, significant temperature differences between the outer and inner layers of nuts, and a high product defect rate, which seriously restricts production efficiency and product quality stability. Traditional feeding methods are simple and crude, often only using inclined slides to let the nuts roll naturally to the collection area, without any buffering, control, or precise positioning function. This makes the nuts susceptible to impact from gravity during feeding, causing the surface to be easily bumped and scratched, damaging the appearance and structural integrity.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a feeding mechanism for a continuous hot air tempering furnace, comprising a worktable, a bracket fixedly connected to the lower side of the worktable, a feeding assembly fixedly installed on the worktable, a second motor fixedly installed on the front side of the worktable, a conveyor belt fixedly installed inside the worktable, a heating box fixedly installed on the worktable, and a discharging assembly provided on the right side of the worktable; the feeding assembly includes a connecting frame, the connecting frame fixedly installed on the worktable, a feeding channel fixedly connected to the upper side of the connecting frame, a rotating assembly provided inside the feeding channel, and a separating assembly provided on the upper side of the rotating assembly.
[0008] Furthermore, the rotating assembly includes a connecting plate, which is fixedly installed inside the feeding channel. A housing is fixedly installed on the lower side of the connecting plate. A motor is fixedly installed inside the housing. A fixed shaft is fixedly connected to the output end of the motor. A feeding funnel is fixedly installed on the outer side of the fixed shaft.
[0009] Furthermore, the partition assembly includes a mounting plate, which is disposed on a fixed shaft, and a partition plate is snapped into the interior of the mounting plate.
[0010] Furthermore, the feeding assembly includes a fixing block, the right side of which is welded and fixed to the left side of the worktable, a connecting shaft is longitudinally welded to the side corresponding to the fixing block, a rotating disk is movably sleeved on the front and rear sides of the outer ring surface of the connecting shaft, a conveying assembly is welded to the left side of the rotating disk, and a sliding assembly is provided on the lower side of the conveying assembly.
[0011] Furthermore, the conveying assembly includes an upper conveying frame, which is fixedly connected to the left side of the rotating disk. Springs are welded to the front and rear sides of the right side of the bottom surface of the upper conveying frame, and the bottom of the springs is welded and fixed to the worktable.
[0012] Furthermore, the sliding assembly includes a support plate, which is fixedly installed on the bottom surface of the upper conveyor frame. An electric telescopic rod is fixedly connected to both the front and rear sides of the left side surface of the support plate, and the telescopic end of the electric telescopic rod is fixedly connected to the lower conveyor frame.
[0013] Furthermore, the number of fixed blocks is two, and the two fixed blocks are distributed one in front of the other.
[0014] Furthermore, the inner wall of the lower conveying frame is fitted onto the surface of the upper conveying frame and is in sliding contact with the surface of the upper conveying frame.
[0015] This utility model has the following beneficial effects:
[0016] In this invention, the first motor starts, and its output power drives the fixed shaft to rotate, which in turn drives the outer feed hopper to rotate synchronously. At this time, the partition plate that is engaged with the mounting plate on the fixed shaft plays its role, and the workpiece is evenly dispersed as the feed hopper rotates. When the feed hopper rotates to the empty slot of the connecting plate, the workpiece slides down the feed channel to the conveyor belt. Then, the second motor starts to provide the power for the conveyor belt to run smoothly and continuously move the workpiece to the right, so that it can smoothly enter the heating box area and start the precise heating and tempering process, ensuring that the performance of the workpiece is effectively optimized and improved.
[0017] In this invention, after the workpiece is tempered, it enters the unloading stage. The left side of the worktable consists of two fixed blocks distributed front and back and a longitudinally welded connecting shaft forming the basic support structure. A rotating disk is movably mounted on the connecting shaft, allowing for flexible rotation. The upper conveyor frame welded to the left side of the rotating disk is crucial, with a spring at the bottom connecting to the worktable, providing both cushioning and support while also facilitating height adjustment. The electric telescopic rod at the bottom bearing plate of the upper conveyor frame is connected to the lower conveyor frame mounted on its surface. Once the workpiece reaches the unloading position, the electric telescopic rod extends and retracts, driving the lower conveyor frame to slide relative to the upper conveyor frame, flexibly adjusting the conveying space to meet unloading requirements. With the cooperation of the rotating disk and the upper and lower conveyor frames, the workpiece is accurately unloaded, connecting to subsequent processes. Attached Figure Description
[0018] Figure 1 This is a perspective view of the feeding mechanism for the continuous hot air tempering furnace proposed in this utility model.
[0019] Figure 2 This is a schematic diagram of the feeding component structure of the feeding mechanism for the continuous hot air tempering furnace proposed in this utility model.
[0020] Figure 3 This is a schematic diagram of the feeding funnel structure of the feeding mechanism for the continuous hot air tempering furnace proposed in this utility model.
[0021] Figure 4 This is a partial structural schematic diagram of the feeding mechanism for the continuous hot air tempering furnace proposed in this utility model.
[0022] Figure 5 This is a schematic diagram of the feeding component of the feeding mechanism for the continuous hot air tempering furnace proposed in this utility model.
[0023] Legend:
[0024] 1. Workbench; 2. Support frame; 3. Feeding assembly; 31. Connecting frame; 32. Feeding hopper; 33. Divider plate; 34. Mounting plate; 35. Fixed shaft; 36. Motor 1; 37. Housing; 38. Feeding channel; 39. Connecting plate; 4. Motor 2; 5. Conveyor belt; 6. Heating box; 7. Discharge assembly; 71. Rotary disc; 72. Fixed block; 73. Upper conveyor frame; 74. Lower conveyor frame; 75. Connecting shaft; 76. Bearing plate; 77. Spring; 78. Electric telescopic rod. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of a feeding mechanism for a continuous hot air tempering furnace, comprising a workbench 1, a support 2 fixedly connected to the lower side of the workbench 1, a feeding assembly 3 fixedly installed on the workbench 1, a motor 4 fixedly installed on the front side of the workbench 1, a conveyor belt 5 fixedly installed inside the workbench 1, a heating box 6 fixedly installed on the workbench 1, and a discharge assembly 7 provided on the right side of the workbench 1; the feeding assembly 3 includes a connecting frame 31, which is fixedly installed on the workbench 1, and a feeding channel 38 fixedly connected to the upper side of the connecting frame 31. The feed channel 38 is equipped with a rotating assembly inside, and a partition assembly is provided on the upper side of the rotating assembly. The rotating assembly includes a connecting plate 39, which is fixedly installed inside the feed channel 38. A housing 37 is fixedly installed on the lower side of the connecting plate 39. A motor 36 is fixedly installed inside the housing 37. A fixed shaft 35 is fixedly connected to the output end of the motor 36. A feed funnel 32 is fixedly installed on the outer side of the fixed shaft 35. The partition assembly includes a mounting plate 34, which is set on the fixed shaft 35. A partition plate 33 is snapped into the inside of the mounting plate 34.
[0027] By starting motor 36, its output drives the fixed shaft 35 to rotate, which in turn causes the feed hopper 32 fixed on the outside of the fixed shaft 35 to rotate synchronously. At the same time, a partition plate 33 is engaged in the mounting plate 34 installed on the fixed shaft 35. As the feed hopper 32 rotates, the partition plate 33 plays a role in distributing the material, evenly dispersing the workpieces. When the feed hopper 32 rotates to the empty slot of the connecting plate 39, the workpiece falls down and slides down the feed channel 38 onto the conveyor belt 5 below. This solves the problem in the prior art where nuts are easily piled up, causing uneven heating of the piled-up parts during subsequent heating and tempering. Motor 4 provides power to the operation of the conveyor belt 5, driving the conveyor belt 5 to run stably and continuously transporting the workpieces to the right, so that they enter the area of the heating box 6 for the corresponding heating and tempering treatment.
[0028] Reference Figure 1 , Figure 4 and Figure 5 The unloading component 7 includes a fixing block 72. The right side of the fixing block 72 is welded and fixed to the left side of the workbench 1. A connecting shaft 75 is longitudinally welded to the side corresponding to the fixing block 72. A rotating disk 71 is movably sleeved on the front and rear sides of the outer ring surface of the connecting shaft 75. A conveying component is welded to the left side of the rotating disk 71. A sliding component is provided on the lower side of the conveying component. The conveying component includes an upper conveying frame 73. The upper conveying frame 73 is fixedly connected to the left side of the rotating disk 71. A spring 77 is welded to the front and rear sides of the right side of the bottom surface of the upper conveying frame 73. The bottom of the spring 77 is welded and fixed to the workbench 1. The sliding component includes a bearing plate 76. The bearing plate 76 is fixedly installed on the bottom surface of the upper conveying frame 73. An electric telescopic rod 78 is fixedly connected to the front and rear sides of the left side surface of the bearing plate 76. A lower conveying frame 74 is fixedly connected to the telescopic end of the electric telescopic rod 78. There are two fixing blocks 72, and the two fixing blocks 72 are distributed in a front-to-back manner. The inner wall of the lower conveying frame 74 is sleeved on the surface of the upper conveying frame 73 and is in sliding contact with the surface of the upper conveying frame 73.
[0029] When the workpiece completes the tempering process and arrives at the unloading stage, two fixed blocks 72, arranged front and back, are fixed on the left side of the workbench 1. A rotating disk 71 is movably fitted on the longitudinally welded connecting shaft 75 between the two blocks. The rotating disk 71 can rotate flexibly around the connecting shaft 75. The upper conveyor frame 73 welded to the left side of the rotating disk 71 is a key part of the conveying assembly. On the one hand, it is connected to the workbench 1 through a spring 77 at the bottom, which acts as a buffer, support, and assists in adjusting the height. On the other hand, an electric telescopic rod 78 installed on the bottom bearing plate 76 of the upper conveyor frame 73 is connected to the lower conveyor frame 74. The lower conveyor frame 74 is fitted on the surface of the upper conveyor frame 73 and can slide in contact with it. When the workpiece reaches the unloading position, the electric telescopic rod 78 extends and retracts, causing the lower conveyor frame 74 to slide relative to the upper conveyor frame 73. This adjusts the conveying space formed by the combination of the two to adapt to the unloading requirements of the workpiece. With the rotation of the rotating disk 71 and the adjustment of the upper and lower conveyor frames 74, the workpiece is successfully unloaded and accurately enters the subsequent process.
[0030] Working principle: When using this device, start motor 36, its output end drives the fixed shaft 35 to rotate, which in turn causes the feed hopper 32 fixed on the outside of the fixed shaft 35 to rotate synchronously. At the same time, the partition plate 33 is engaged in the mounting plate 34 installed on the fixed shaft 35. As the feed hopper 32 rotates, the partition plate 33 plays a role in distributing the material, evenly dispersing the workpieces. The workpieces slide down the feed channel 38 onto the conveyor belt 5 below. Motor 4 provides power for the operation of the conveyor belt 5, driving the conveyor belt 5 to run stably and continuously conveying the workpieces to the right, so that they enter the area where the heating box 6 is located for the corresponding heating and tempering treatment. After the workpieces complete the tempering process, they reach the unloading stage. When the workpieces reach the unloading position, the electric telescopic rod 78 extends and retracts, causing the lower conveyor frame 74 to slide relative to the upper conveyor frame 73, thereby adjusting the conveying space formed by the combination of the two to adapt to the unloading requirements of the workpieces. With the rotation of the rotating disk 71 and the adjustment of the upper and lower conveyor frames 74, the workpieces are successfully unloaded and accurately enter the subsequent process steps.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A feeding mechanism for a continuous hot blast tempering furnace, comprising a worktable (1), characterized in that: A bracket (2) is fixedly connected to the lower side of the workbench (1). A feeding assembly (3) is fixedly installed on the workbench (1). A motor (4) is fixedly installed on the front side of the workbench (1). A conveyor belt (5) is fixedly installed inside the workbench (1). A heating box (6) is fixedly installed on the workbench (1). A feeding assembly (7) is provided on the right side of the workbench (1). The feeding assembly (3) includes a connecting frame (31). The connecting frame (31) is fixedly installed on the workbench (1). A feeding channel (38) is fixedly connected to the upper side of the connecting frame (31). A rotating assembly is provided inside the feeding channel (38). A separating assembly is provided on the upper side of the rotating assembly.
2. The feeding mechanism for a continuous hot blast tempering furnace according to claim 1, characterized in that: The rotating assembly includes a connecting plate (39), which is fixedly installed inside the feed channel (38). A housing (37) is fixedly installed on the lower side of the connecting plate (39). A motor (36) is fixedly installed inside the housing (37). A fixed shaft (35) is fixedly connected to the output end of the motor (36). A feed funnel (32) is fixedly installed on the outer side of the fixed shaft (35).
3. The feeding mechanism for a continuous hot blast tempering furnace according to claim 1, characterized in that: The partition assembly includes a mounting plate (34) which is mounted on a fixed shaft (35) and a partition plate (33) is snapped into the interior of the mounting plate (34).
4. The feeding mechanism for a continuous hot blast tempering furnace according to claim 1, characterized in that: The feeding assembly (7) includes a fixing block (72), the right side of the fixing block (72) is welded and fixed to the left side of the worktable (1), a connecting shaft (75) is longitudinally welded to the side corresponding to the fixing block (72), a rotating disk (71) is movably sleeved on the front and rear sides of the outer ring surface of the connecting shaft (75), a conveying assembly is welded to the left side of the rotating disk (71), and a sliding assembly is provided on the lower side of the conveying assembly.
5. The feeding mechanism for a continuous hot blast tempering furnace according to claim 4, characterized in that: The conveying assembly includes an upper conveying frame (73), which is fixedly connected to the left side of the rotating disk (71). Springs (77) are welded to the front and rear sides of the right side of the bottom surface of the upper conveying frame (73), and the bottom of the springs (77) is welded to the worktable (1).
6. The feeding mechanism for a continuous hot blast tempering furnace according to claim 4, characterized in that: The sliding assembly includes a support plate (76), which is fixedly installed on the bottom surface of the upper conveying frame (73). Electric telescopic rods (78) are fixedly connected to the front and rear sides of the left side surface of the support plate (76), and the telescopic end of the electric telescopic rods (78) is fixedly connected to the lower conveying frame (74).
7. The feeding mechanism for a continuous hot blast tempering furnace according to claim 4, characterized in that: The number of fixed blocks (72) is two, and the two fixed blocks (72) are distributed in front of and behind each other.
8. The feeding mechanism for a continuous hot blast tempering furnace according to claim 6, characterized in that: The inner wall of the lower conveying frame (74) is fitted onto the surface of the upper conveying frame (73) and is in sliding contact with the surface of the upper conveying frame (73).