High-frequency quenching tool for surface of synchronizer gear hub

Abstract

The surface high-frequency quenching tool comprises a quenching box, a rotating shaft is rotationally connected to the interior of the quenching box, a fixing strip is fixedly connected to the outer surface of the rotating shaft, and a containing groove body is fixedly connected to the upper surface of the fixing strip; and a plurality of positioning convex blocks are fixedly mounted on the upper surface of the placement groove body. According to the synchronizer gear hub cooling device, the first servo motor is started, the containing groove body rotates, the synchronizer gear hub is poured out and falls onto the net-shaped groove body, then the four second air cylinders drive the net-shaped groove body to descend into the cooling oil groove, cooling treatment is conducted through cooling oil in the cooling oil groove, then the cooling oil groove is lifted, the second servo motor is started, and the synchronizer gear hub is cooled. And an output shaft of a second servo motor drives a threaded rod to rotate, so that two threaded blocks drive a scraping plate to move, the synchronizer gear hub on the net-shaped groove body is pushed, the synchronizer gear hub is discharged from a discharging opening and does not need to be taken out manually, the labor intensity of workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quenching, in particular to a surface high-frequency quenching tool for a synchronizer gear hub. Background Art

[0002] Surface high-frequency induction hardening refers to a process that only hardens the surface of a workpiece to change its structure and properties. It is a process that quickly heats the surface of the workpiece to the quenching temperature, and quickly cools before the heat is transferred to the core, so that the surface of the workpiece is hardened by martensite, while the core of the workpiece remains in an unquenched state. Therefore, the surface of the workpiece has high hardness and wear resistance, and the core has high strength and toughness.

[0003] At present, after the traditional quenching device quenches the synchronizer gear hub, the synchronizer gear hubs need to be taken out manually one by one, which will increase the labor intensity and affect the quenching efficiency of the synchronizer gear hub. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a surface high-frequency quenching tool for a synchronizer gear hub.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a surface high-frequency quenching tool for a synchronizer gear hub, comprising a quenching box, the interior of the quenching box is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a fixing bar, the upper surface of the fixing bar is fixedly connected to a placement slot body, the upper surface of the placement slot body is fixedly installed with a plurality of positioning protrusions, a first power component for driving the rotating shaft to rotate is installed on the side wall of the quenching box, a quenching component is installed on the top of the quenching box, second cylinders are fixedly connected at the four corners of the top of the quenching box, the piston ends of the four second cylinders extend to the interior of the quenching box and are commonly connected to a mesh slot body, a scraper plate is arranged above the mesh slot body, a second power component for driving the scraper plate to move is installed on the quenching box, and a cooling oil tank is installed at the inner bottom of the quenching box.

[0006] As a further description of the above technical solution:

[0007] The first power assembly includes a first servo motor fixedly connected to the side wall of the quenching box, the output shaft of the first servo motor is fixedly connected to a first pulley, one end of the rotating shaft extends to the outside of the quenching box and is fixedly connected to a second pulley, and the first pulley and the second pulley are connected by a belt drive.

[0008] As a further description of the above technical solution:

[0009] The quenching assembly includes two first cylinders fixedly connected to the top of the quenching box, the piston ends of the two first cylinders extend into the interior of the quenching box and are commonly connected to a mounting plate, and a plurality of quenching tubes are installed on the lower surface of the mounting plate.

[0010] As a further description of the above technical solution:

[0011] The second power assembly includes two second servo motors fixedly connected to the side walls of the quenching box, the output shafts of the two second servo motors extend into the interior of the quenching box and are connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a threaded block, and the two threaded blocks are respectively fixedly connected to both sides of the scraper plate.

[0012] As a further description of the above technical solution:

[0013] A plurality of cold water pipes are fixedly passed through between the quenching box and the cooling oil tank, one end of the plurality of cold water pipes is commonly connected to a first main pipe, one side of the first main pipe is fixedly connected to a drain pipe, the other end of the plurality of cold water pipes is commonly connected to a second main pipe, one side of the second main pipe is fixedly connected to a water inlet pipe.

[0014] As a further description of the above technical solution:

[0015] The front of the quenching box is provided with a discharge port, and a movable door panel is provided above the discharge port.

[0016] As a further description of the above technical solution:

[0017] A discharge port is provided on one side of the quenching box, a third cylinder is fixedly connected to the rear side of the quenching box, a connecting frame is fixedly connected to the piston end of the third cylinder, and a closing plate matched with the discharge port is fixedly connected to the end of the connecting frame.

[0018] The utility model has the following beneficial effects:

[0019] 1. Compared with the prior art, the surface high-frequency quenching tooling of the synchronizer gear hub starts the first servo motor to rotate the placement slot body to pour the synchronizer gear hub out and drop it onto the mesh slot body, and then the four second cylinders bring the mesh slot body down into the cooling oil tank, where it is cooled by the cooling oil in the cooling oil tank, and then the cooling oil tank is raised, and then the second servo motor is started, and the output shaft of the second servo motor rotates with the threaded rod, so that the two threaded blocks move with the scraper plate to push the synchronizer gear hub on the mesh slot body, so that the synchronizer gear hub is discharged from the discharge port without manual removal, thereby reducing labor intensity and improving work efficiency.

[0020] 2. Compared with the prior art, the surface high-frequency quenching tooling of the synchronizer gear hub has a drain pipe fixedly connected to one side of the first main pipe, which is connected to an external water source recovery device, and a water inlet pipe fixedly connected to one side of the second main pipe, which is connected to an external cold water supply device. Cold water is introduced into multiple cold water pipes to cool the cooling oil after absorbing heat, thereby improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional diagram of a surface high-frequency quenching tool for a synchronizer gear hub proposed by the utility model;

[0022] Figure 2 This is an internal schematic diagram of a surface high-frequency quenching tooling for a synchronizer gear hub proposed by the utility model;

[0023] Figure 3 The utility model is a cross-sectional view of a surface high-frequency quenching tool for a synchronizer gear hub.

[0024] Legend:

[0025] 1. Quenching box; 2. Rotating axis; 3. Fixing bar; 4. Placement trough; 5. Positioning convex block; 6. First servo motor; 7. First cylinder; 8. Mounting plate; 9. Quenching tube; 10. Second cylinder; 11. Mesh trough; 12. Threaded block; 13. Scraper plate; 14. Threaded rod; 15. Second servo motor; 16. Cooling oil tank; 17. Cold water pipe; 18. Discharge port; 19. Movable door panel; 20. Discharge port; 21. Third cylinder; 22. Connecting frame; 23. Closing plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figures 1 to 3 The utility model provides a surface high-frequency quenching tool for a synchronizer gear hub: comprising a quenching box 1, the interior of the quenching box 1 is rotatably connected to a rotating shaft 2, the outer surface of the rotating shaft 2 is fixedly connected to a fixing bar 3, the upper surface of the fixing bar 3 is fixedly connected to a placement groove 4, and the upper surface of the placement groove 4 is fixedly installed with a plurality of positioning protrusions 5 for placing the synchronizer gear hub;

[0028] Reference Figure 1In order to realize the purpose of rotating the rotating shaft 2, a first power assembly driving the rotating shaft 2 to rotate is installed on the side wall of the quenching box 1. The first power assembly includes a first servo motor 6 fixedly connected to the side wall of the quenching box 1. The output shaft of the first servo motor 6 is fixedly connected to a first pulley. One end of the rotating shaft 2 extends to the outside of the quenching box 1 and is fixedly connected to a second pulley. The first pulley and the second pulley are connected by belt transmission. Starting the first servo motor 6 can drive the rotating shaft 2 to rotate;

[0029] Reference Figure 2 and Figure 3 In order to achieve the purpose of heating the synchronizer gear hub, a quenching assembly is installed on the top of the quenching box 1. The quenching assembly includes two first cylinders 7 fixedly connected to the top of the quenching box 1. The piston ends of the two first cylinders 7 extend into the interior of the quenching box 1 and are commonly connected to a mounting plate 8. A plurality of quenching tubes 9 are installed on the lower surface of the mounting plate 8.

[0030] Reference Figure 2 and Figure 3 In order to achieve the purpose of moving the scraper plate 13 to push the material, the four corners of the top of the quenching box 1 are fixedly connected with the second cylinder 10, the piston ends of the four second cylinders 10 are extended to the inside of the quenching box 1 and are commonly connected with the mesh tank body 11, and the scraper plate 13 is arranged above the mesh tank body 11. The quenching box 1 is equipped with a second power assembly that drives the scraper plate 13 to move. The second power assembly includes two second servo motors 15 fixedly connected to the side wall of the quenching box 1. The output shafts of the two second servo motors 15 are extended to the inside of the quenching box 1 and connected to the threaded rod 14. The outer surface of the threaded rod 14 is threadedly connected with a threaded block 12, and the two threaded blocks 12 are respectively fixedly connected to the two sides of the scraper plate 13;

[0031] Reference Figure 1 and Figure 2 In order to achieve the purpose of cooling the cooling oil, a cooling oil tank 16 is installed at the inner bottom of the quenching box 1. A plurality of cold water pipes 17 are fixedly passed through between the quenching box 1 and the cooling oil tank 16. One end of the plurality of cold water pipes 17 is commonly connected to a first main pipe. One side of the first main pipe is fixedly connected to a drain pipe, which is connected to an external water source recovery device. The other ends of the plurality of cold water pipes 17 are commonly connected to a second main pipe. One side of the second main pipe is fixedly connected to a water inlet pipe, which is connected to an external cold water supply device. Cold water is passed into the plurality of cold water pipes 17 to cool down the cooling oil after absorbing heat.

[0032] Reference Figure 1In order to achieve the purpose of discharging and taking out materials from the synchronizer gear hub, a discharging port 18 is arranged on the front of the quenching box 1, and a movable door plate 19 is arranged above the discharging port 18. A discharge port 20 is opened on one side of the quenching box 1. A third cylinder 21 is fixedly connected to the rear side of the quenching box 1, and a connecting frame 22 is fixedly connected to the piston end of the third cylinder 21. A closing plate 23 adapted to the discharge port 20 is fixedly connected to the end of the connecting frame 22. When the third cylinder 21 is started, the third cylinder 21 moves with the closing plate 23 through the connecting frame 22, so that the discharge port 20 can be opened or closed.

[0033] Working principle:

[0034] When in use, open the movable door plate 19, place the synchronizer gear hub into the placement groove body 4 through the discharge port 18, and insert the positioning protrusion 5 into the center hole of the synchronizer gear hub. After all synchronizer gear hubs are placed, close the movable door plate 19, and then start the first cylinder 7. The piston ends of the two first cylinders 7 descend with the mounting plate 8, and the mounting plate 8 brings a plurality of quenching tubes 9 close to the synchronizer gear hub for heating treatment;

[0035] After heating is completed, the first servo motor 6 is started, and the output shaft of the first servo motor 6 rotates with the rotating shaft 2, so that the placement tank body 4 rotates to pour out the synchronizer gear hub, so that the synchronizer gear hub falls onto the mesh tank body 11, and then the four second cylinders 10 are immediately started, and the four second cylinders 10 descend into the cooling oil tank 16 with the mesh tank body 11, and are cooled by the cooling oil in the cooling oil tank 16, and then the cooling oil tank 16 is raised, and the third cylinder 21 is started, and the third cylinder 21 moves with the closing plate 23 through the connecting frame 22, so that the discharge port 20 is opened, and then the second servo motor 15 is started, and the output shaft of the second servo motor 15 rotates with the threaded rod 14, so that the two threaded blocks 12 move with the scraper plate 13, and the synchronizer gear hub on the mesh tank body 11 is pushed, so that the synchronizer gear hub is discharged from the discharge port 20. At the same time, the staff can place a new batch of synchronizer gear hubs in the placement tank body 4, waiting for quenching treatment.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A surface high-frequency quenching tool for a synchronizer gear hub, comprising a quenching box (1), characterized in that: The quenching box (1) is rotatably connected to a rotating shaft (2) inside, a fixing bar (3) is fixedly connected to the outer surface of the rotating shaft (2), a placement groove (4) is fixedly connected to the upper surface of the fixing bar (3), a plurality of positioning protrusions (5) are fixedly installed on the upper surface of the placement groove (4), a first power assembly for driving the rotating shaft (2) to rotate is installed on the side wall of the quenching box (1), a quenching assembly is installed on the top of the quenching box (1), second cylinders (10) are fixedly connected to the four corners of the top of the quenching box (1), the piston ends of the four second cylinders (10) extend into the interior of the quenching box (1) and are commonly connected to a mesh groove (11), a scraper plate (13) is arranged above the mesh groove (11), a second power assembly for driving the scraper plate (13) to move is installed on the quenching box (1), and a cooling oil tank (16) is installed on the inner bottom of the quenching box (1).

2. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: The first power assembly comprises a first servo motor (6) fixedly connected to a side wall of the quenching box (1), the output shaft of the first servo motor (6) being fixedly connected to a first pulley, one end of the rotating shaft (2) extending to the outside of the quenching box (1) and being fixedly connected to a second pulley, the first pulley and the second pulley being connected via a belt drive.

3. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: The quenching assembly comprises two first cylinders (7) fixedly connected to the top of the quenching box (1), the piston ends of the two first cylinders (7) both extend into the interior of the quenching box (1) and are commonly connected to a mounting plate (8), and a plurality of quenching tubes (9) are mounted on the lower surface of the mounting plate (8).

4. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: The second power assembly comprises two second servo motors (15) fixedly connected to the side wall of the quenching box (1), the output shafts of the two second servo motors (15) both extend into the interior of the quenching box (1) and are connected to a threaded rod (14), the outer surface of the threaded rod (14) is threadedly connected to a threaded block (12), and the two threaded blocks (12) are respectively fixedly connected to two sides of the scraper plate (13).

5. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: A plurality of cold water pipes (17) are fixedly passed through between the quenching box (1) and the cooling oil tank (16); one end of the plurality of cold water pipes (17) is commonly connected to a first main pipe; one side of the first main pipe is fixedly connected to a drain pipe; the other ends of the plurality of cold water pipes (17) are commonly connected to a second main pipe; one side of the second main pipe is fixedly connected to a water inlet pipe.

6. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: The front of the quenching box (1) is provided with a discharge port (18), and a movable door panel (19) is provided above the discharge port (18).

7. The surface high-frequency quenching tool for a synchronizer gear hub according to claim 1, characterized in that: A discharge port (20) is provided on one side of the quenching box (1), a third cylinder (21) is fixedly connected to the rear side of the quenching box (1), a connecting frame (22) is fixedly connected to the piston end of the third cylinder (21), and a closing plate (23) adapted to the discharge port (20) is fixedly connected to the end of the connecting frame (22).

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