Anti-overburning forging heating furnace

Abstract

The utility model relates to a kind of anti-overburning forging heating furnace, including workbench, heating furnace being installed on workbench, double-station forging support mechanism for placing forging and two stations alternate entering heating furnace and alarm mechanism for monitoring forging heating time. Overburning phenomenon of forging is avoided by the utility model, reduces the scrap rate, ensures the stability of product quality.

Description

Technical Field

[0001] This utility model relates to the field of forging production technology, and in particular to a heating furnace for forgings that prevents overheating. Background Technology

[0002] Forging heating is a crucial step in the metal hot working process. Its purpose is to bring the metal billet to the temperature range required for plastic deformation through high temperatures. Forgings are heated in a forging furnace. If the heating time is too long, overheating of the metal material can easily occur. Overheating refers to the oxidation or melting of the metal surface or internal grain boundaries due to localized temperatures exceeding the material's critical melting point. This leads to weakened grain boundaries, increased material brittleness, and severely reduced mechanical properties and yield of the forging.

[0003] Currently, the heating time for forgings can only be judged based on the worker's experience, often resulting in insufficient heating time and a high scrap rate. Therefore, there is an urgent need for a forging heating furnace that prevents overheating, monitors the heating time of forgings, reduces the scrap rate, and ensures the stability of product quality. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a heating furnace for forgings that prevents overheating.

[0005] This utility model is achieved through the following technical solution: providing a heating furnace for preventing overheating of forgings, including a workbench, a heating furnace installed on the workbench, a dual-station forging support mechanism for placing forgings and having two stations alternately enter the heating furnace, and an alarm mechanism for monitoring the heating time of forgings.

[0006] Preferably, the heating furnace is provided with multiple furnace cavities, each with an opening at the front and rear ends. The dual-station forging support mechanism is provided in multiple sets, with each dual-station forging support mechanism corresponding to one of the furnace cavities of the heating furnace.

[0007] Preferably, each set of dual-station forging support mechanisms includes two parallel support ribs with adjustable spacing. One end of the support rib is connected to the first crossbeam, and the other end passes through the furnace cavity and is connected to the second crossbeam.

[0008] Preferably, multiple transverse elongated through holes are provided on both the first and second crossbeams. The two ends of the support ribs pass through the elongated through holes on the first and second crossbeams respectively and are fixed by fixing nuts. Fixing nuts are also connected to the support ribs on both sides of the first and second crossbeams. By loosening the fixing nuts and adjusting the positions of the two support ribs within the elongated through holes, the spacing between the two support ribs can be adjusted to accommodate forgings of different diameters.

[0009] Preferably, the same end of the two support ribs of the dual-station forging support mechanism in the same group is inserted into the same long through hole.

[0010] Preferably, a first work station and a second work station are set along the front and rear direction of the support ribs. An inclined limiting plate is fixed on each of the two support ribs at the first work station and the second work station. The inclined limiting plates on the two support ribs are symmetrically arranged to form a V-shaped placement space.

[0011] Preferably, to further improve the stability of forging placement, a first guide wheel is installed on the front side of each inclined limiting plate at the first station, and a first baffle is installed on the rear side of each inclined limiting plate at the first station. Similarly, a second baffle is installed on the front side of each inclined limiting plate at the second station, and a second guide wheel is installed on the rear side of each inclined limiting plate at the second station. The first guide wheel and the first baffle work together to improve the stability of forging placement at the first station, while the second guide wheel and the second baffle work together to improve the stability of forging placement at the second station. Furthermore, the first and second guide wheels facilitate the handling of forgings and provide rolling guidance.

[0012] Preferably, two parallel first slide grooves are provided in front of the heating furnace, and two parallel second slide grooves are provided behind the heating furnace. Both the first and second slide grooves are arranged in the front-back direction. A slider is installed in each of the first and second slide grooves. The slider in the first slide groove is fixed to the first crossbeam, and the slider in the second slide groove is fixed to the second crossbeam.

[0013] Preferably, the first crossbeam is connected to a driving component, which is a cylinder. The cylinder is mounted on the worktable in front of the heating furnace, with the outer cylinder fixed to the worktable and the piston rod connected to the first crossbeam. The extension or retraction of the cylinder piston rod pushes and pulls the dual-station support mechanism, causing the first and second stations to alternately move out of the heating furnace cavity.

[0014] Preferably, the alarm mechanism includes a first limit switch and a second limit switch for monitoring the positioning of the forging, and an audible and visual alarm light for alarm purposes. The first limit switch is installed at the end of one of the first slide grooves, and the second limit switch is installed at the end of one of the second slide grooves. The first and second limit switches are respectively connected to the audible and visual alarm light circuit via a time relay. The input terminal of the time relay is connected to the circuit of the first and second limit switches, and the output terminal of the time relay is connected to the circuit of the audible and visual alarm light.

[0015] Preferably, the audible and visual alarm light is installed above the heating furnace. When the heating time of the forging is reached, the audible and visual alarm light will sound. After seeing the audible and visual alarm light, the staff can promptly control the cylinder to move the forging out of the heating furnace and avoid overheating of the forging.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. This utility model, through the cooperation of a dual-station forging support mechanism and an alarm mechanism, triggers a second limit switch or a first limit switch when the first or second station enters the furnace cavity of the heating furnace. The timing is recorded by a time relay. When the forging reaches the heating time, an audible and visual alarm light is activated, which avoids overheating of the forging, reduces the scrap rate, and ensures the stability of product quality.

[0018] 2. This utility model can heat multiple forgings simultaneously. After heating, multiple forgings are pushed out of the heating furnace at the same time. While the heated forgings are pushed out of the heating furnace, the next batch of forgings that need to be heated is pushed into the heating furnace. The dual-station alternating heating can realize batch and continuous heating of forgings, which improves the working efficiency of forging heating. Attached Figure Description

[0019] Figure 1 This is a top view of one aspect of the structure of this utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure along direction A;

[0021] Figure 3 This is a top view of another aspect of the present invention.

[0022] Figure 4 This is a front view structural diagram of the forging, inclined limiting plate, and first guide wheel of this utility model;

[0023] As shown in the figure:

[0024] 1. Workbench, 2. Heating furnace, 3. Forging, 4. Furnace cavity, 5. Support rib, 6. First crossbeam, 7. Second crossbeam, 8. Fixing nut, 9. Inclined limit plate, 10. First guide wheel, 11. First baffle, 12. Second baffle, 13. Second guide wheel, 14. First slide groove, 15. Second slide groove, 16. Cylinder, 17. First limit switch, 18. Second limit switch, 19. Audible and visual alarm light. Detailed Implementation

[0025] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0026] like Figure 1-4 As shown, this utility model includes a workbench 1, a heating furnace 2 installed on the workbench 1, a dual-station forging support mechanism for placing forgings 3 and having two stations alternately enter the heating furnace 2, and an alarm mechanism for monitoring the heating time of forgings 3.

[0027] The heating furnace 2 is provided with multiple furnace chambers 4, each with an opening at both the front and rear ends. Multiple sets of dual-station forging support mechanisms are provided, each corresponding one-to-one with a furnace chamber 4 of the heating furnace 2. In this embodiment, there are four furnace chambers 4 and four sets of dual-station forging support mechanisms.

[0028] Each set of dual-station forging support mechanisms includes two parallel support ribs 5 with adjustable spacing. One end of the support rib 5 is connected to the first crossbeam 6, and the other end passes through the furnace cavity 4 and is connected to the second crossbeam 7.

[0029] Multiple transverse elongated through holes are provided on both the first crossbeam 6 and the second crossbeam 7. The two ends of the support ribs 5 pass through the elongated through holes on the first crossbeam 6 and the second crossbeam 7 respectively, and are then fixed by fixing nuts 8. Fixing nuts 8 are also connected to the support ribs 5 on both sides of the first crossbeam 6 and the second crossbeam 7. By loosening the fixing nuts 8 and adjusting the position of the two support ribs 5 within the elongated through holes, the spacing between the two support ribs 5 can be adjusted to accommodate forgings 3 of different diameters. In this embodiment, the same end of the two support ribs 5 of the same dual-station forging support mechanism is inserted into the same elongated through hole.

[0030] A first station and a second station are set along the front-back direction of the support ribs 5. An inclined limiting plate 9 is fixed to each of the two support ribs 5 at the first and second stations. The inclined limiting plates 9 on the two support ribs 5 are symmetrically arranged to form a V-shaped placement space. To further improve the stability of the forging 3 placement, a first guide wheel 10 is installed on the front side of each inclined limiting plate 9 at the first station, and a first baffle 11 is installed on the rear side of each inclined limiting plate 9 at the first station. A second baffle 12 is installed on the front side of each inclined limiting plate 9 at the second station, and a second guide wheel 13 is installed on the rear side of each inclined limiting plate 9 at the second station.

[0031] The first guide wheel 10 and the first baffle 11 work together to improve the stability of the forging 3 placed at the first station. The second guide wheel 13 and the second baffle 12 work together to improve the stability of the forging 3 placed at the second station. The first guide wheel 10 and the second guide wheel 13 can also facilitate the picking and putting of the forging 3 and play a rolling guiding role for the forging 3.

[0032] Two parallel first slide grooves 14 are provided in front of the heating furnace 2, and two parallel second slide grooves 15 are provided behind the heating furnace 2. Both the first slide grooves 14 and the second slide grooves 15 are arranged in the front-back direction. A slider is installed in each of the first slide grooves 14 and each of the second slide grooves 15. The slider in the first slide groove 14 is fixed to the first crossbeam 6, and the slider in the second slide groove 15 is fixed to the second crossbeam 7. The first crossbeam 6 or the second crossbeam 7 is connected to a driving component. In this embodiment, the first crossbeam 6 is connected to a driving component, which is a cylinder 16. The cylinder 16 is installed on the worktable 1 in front of the heating furnace 2. The outer cylinder of the cylinder 16 is fixed to the worktable 1, and the piston rod of the cylinder 16 is connected to the first crossbeam 6. The extension or retraction of the piston rod of the cylinder 16 completes the pushing and pulling of the dual-station support mechanism, so that the first station and the second station alternately move out of the furnace cavity 4 of the heating furnace 2.

[0033] The alarm mechanism includes a first limit switch 17 and a second limit switch 18 for monitoring the position of the forging 3, and an audible and visual alarm light 19. The first limit switch 17 is installed at the end of one of the first slide grooves 14, and the second limit switch 18 is installed at the end of one of the second slide grooves 15. The first limit switch 17 and the second limit switch 18 are respectively connected to the audible and visual alarm light 19 via a time relay. The input terminal of the time relay is connected to the circuits of the first limit switch 17 and the second limit switch 18, and the output terminal of the time relay is connected to the circuit of the audible and visual alarm light 19. The circuit connections and working principles between the limit switches, the time relay, and the audible and visual alarm light 19 are existing technologies and will not be described in detail here. The audible and visual alarm light 19 is installed above the heating furnace 2. When the heating time of the forging 3 is reached, the audible and visual alarm light 19 will sound an alarm. Upon seeing the alarm light 19, the operator can promptly control the cylinder 16 to move the forging 3 out of the heating furnace 2 from the furnace chamber 4, preventing the forging 3 from overheating.

[0034] In practice, this embodiment takes the example where the first workstation is outside the furnace cavity 4 of the heating furnace 2 at the start of operation. After the operator places the forging 3 on the first workstation, the control cylinder 16 pushes the first workstation and the forging 3 into the furnace cavity 4 of the heating furnace 2. The second crossbeam 7 triggers the second limit switch 18, and the time relay starts timing. While the forging 3 on the first workstation is being heated, the operator places the next batch of forgings 3 to be heated on the second workstation. After the heating time of the forging 3 on the first workstation is reached, the audible and visual alarm light 19 sounds, and the operator controls the cylinder 16 to pull the first workstation and the forging 3. The forging 3 and the second workstation are pulled into the furnace chamber 4 of the heating furnace 2 for heating. The first crossbeam 6 triggers the first limit switch 17, and the time relay starts timing. The worker removes the forging 3 from the first workstation and puts in the next batch of forgings 3 to be heated. After the heating time of the forging 3 in the second workstation is reached, the audible and visual alarm light 19 sounds. The worker controls the cylinder 16 to push the second workstation and the forging 3 out of the furnace chamber 4 of the heating furnace 2. This process is repeated in a cycle, so that the forgings 3 in the first workstation and the second workstation alternately enter the furnace chamber 4 of the heating furnace 2 for heating.

[0035] Of course, the above description is not limited to the examples above. Technical features of this utility model not described can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model.

Claims

1. An overburning prevention forging heating furnace characterized by comprising: It includes a workbench, a heating furnace mounted on the workbench, a dual-station forging support mechanism for placing forgings and for alternating entry of two workstations into the heating furnace, and an alarm mechanism for monitoring the heating time of forgings. The heating furnace is provided with multiple furnace chambers, each with an opening at the front and rear ends. The dual-station forging support mechanism is provided in multiple sets, with each dual-station forging support mechanism corresponding to one of the furnace chambers of the heating furnace. Each set of dual-station forging support mechanisms includes two parallel support ribs with adjustable spacing. One end of the support rib is connected to the first crossbeam, and the other end passes through the furnace cavity and is connected to the second crossbeam. A first workstation and a second workstation are set along the front and rear direction of the support ribs. An inclined limiting plate is fixed on each of the two support ribs at the first workstation and the second workstation. The inclined limiting plates on the two support ribs are symmetrically arranged to form a V-shaped placement space.

2. A forge piece heating furnace for preventing overburning according to claim 1, wherein: Multiple transverse elongated through holes are provided on both the first and second crossbeams. The two ends of the support ribs pass through the elongated through holes on the first and second crossbeams respectively and are fixed by fixing nuts. Fixing nuts are connected to the support ribs on both sides of the first crossbeam and the support ribs on both sides of the second crossbeam.

3. A forge piece heating furnace for preventing overburning according to claim 1, characterized in that: A first guide wheel is installed on the front side of each inclined limit plate in the first station, and a first baffle is installed on the rear side of each inclined limit plate in the first station. A second baffle is installed on the front side of each inclined limit plate in the second station, and a second guide wheel is installed on the rear side of each inclined limit plate in the second station.

4. A prevent over-burned forging heating furnace according to claim 1, characterized in that: Two parallel first chute is provided in front of the heating furnace, and two parallel second chute is provided behind the heating furnace. Both the first and second chutes are arranged in the front-back direction. A slider is installed in each of the first and second chutes. The slider in the first chute is fixed to the first crossbeam, and the slider in the second chute is fixed to the second crossbeam.

5. A prevent over-burned forging heating furnace according to claim 4, characterized in that: The first crossbeam connects to a driving component, which is a cylinder. The cylinder is mounted on the worktable in front of the heating furnace. The outer cylinder of the cylinder is fixed to the worktable, and the piston rod of the cylinder is connected to the first crossbeam.

6. A prevent over-burned forging heating furnace according to claim 4, characterized in that: The alarm mechanism includes a first limit switch and a second limit switch for monitoring the position of the forging, and an audible and visual alarm light for alarming. The first limit switch is installed at the end of one of the first slides, and the second limit switch is installed at the end of one of the second slides. The first limit switch and the second limit switch are respectively connected to the audible and visual alarm light circuit through a time relay.

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