A heat treatment apparatus for robot bearings

Abstract

The application discloses a heat treatment device for robot bearings and relates to the technical field of bearing heat treatment, which comprises a heat treatment box, a hanger and a lifting device assembly. The hanger is arranged in the heat treatment box, and the lifting device assembly is arranged on the hanger and is uniformly distributed on the hanger. The lifting device assembly is used for hanging the bearings and shaking the bearings during heat treatment. The bearings are heat treated by hot air of the heat treatment box. Meanwhile, the hot air blows the impeller on the driving shaft and drives the driving shaft to rotate. The inserting rod on the driving shaft moves in the corrugated groove in the lifting cylinder, so that the lifting cylinder moves up and down, the bearings on the hooks are driven to move up and down, meanwhile, the driving block on the driving shaft drives the hooks to move forward and backward through the driving inclined surface on the driving block, so that the bearings are vibrated. On the one hand, the bearings are continuously changed in position on the hooks, so that the heat treatment can be carried out on the blocked positions of the bearings. On the other hand, the bearings are shaken, so that the carbides generated during the heat treatment can be dropped, and the bearings can be more effectively heat treated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bearing heat treatment, and particularly relates to a heat treatment device for robot bearings. BACKGROUND

[0002] Robot bearings are widely used in the field of industrial robots, such as carrying robots, welding robots, assembly robots and the like. In the production and processing process, robot bearings need to be subjected to heat treatment operation, the main purpose of which is to transform the material organization through heat treatment and improve the mechanical properties of the material, so as to effectively improve the wear resistance and toughness of the bearing and prolong the service life of the bearing. When the robot bearing is subjected to heat treatment, it needs to be placed on a tool and then pushed into a heat treatment box. During the process of fixing the robot bearing by the tool, the position of the bearing in contact with the tool is blocked, thereby affecting the heating of the bearing at this position. Moreover, during the heat treatment process of the bearing, carbide impurities are segregated on the surface of the bearing, which also affects the heat treatment effect. SUMMARY

[0003] The present application aims to provide a heat treatment device for robot bearings to overcome the above-mentioned defects in the prior art.

[0004] A heat treatment device for robot bearings, comprising a heat treatment box, a hanger and a lifting assembly, the hanger is arranged in the heat treatment box, the lifting assembly is provided with a plurality of lifting assemblies and is uniformly distributed on the hanger, and the lifting assembly is used for hanging the bearing and shaking the bearing during heat treatment.

[0005] Preferably, the hanger comprises a bottom plate, a side plate and a connecting plate, the two sides of the bottom plate are respectively provided with a side plate, and a plurality of connecting plates are uniformly distributed from top to bottom between the two side plates.

[0006] Preferably, the lifting assembly comprises a driving shaft, an impeller, a lifting cylinder, a hook and a driving block, the driving shaft is rotationally connected to the connecting plate and has an impeller at the upper end, the lifting cylinder is sleeved on the driving shaft and has a sliding strip at both sides and is slidingly connected to the connecting plate, the driving shaft is provided with a plug rod inserted into a corrugated groove in the inner wall of the lifting cylinder, a plurality of fixing seats are uniformly distributed along the circumference of the outer wall of the lifting cylinder, each fixing seat is rotationally connected to a hook through a rotating shaft, a torsional spring is sleeved on the rotating shaft, one end of the torsional spring is connected to the hook, and the other end of the torsional spring is connected to the fixing seat, and the driving block is arranged at the lower end of the driving shaft and has a driving inclined surface symmetrically arranged at both sides.

[0007] Preferably, a plurality of rollers are uniformly distributed at the lower end of the bottom plate.

[0008] Preferably, a handle is arranged at the front side of the side plate.

[0009] The present application has the following beneficial effects:

[0010] The application carries out heat treatment processing on the bearing through the hot air of the heat treatment box, meanwhile the hot air blows the impeller on the driving shaft and drives the driving shaft to rotate, the inserting rod on the driving shaft moves in the corrugated groove in the lifting cylinder, the lifting cylinder moves up and down, the bearing on the hook moves up and down, meanwhile the driving block on the driving shaft drives the hook to move forward and backward through the driving slope on the driving block, and drives the bearing to vibrate, on the one hand, the bearing constantly changes position on the hook, so that the heat treatment can be carried out on the blocked position of the bearing, on the other hand, the bearing is shaken to drop the carbide generated in the heat treatment, so that the bearing is more effectively heat treated. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structure schematic diagram of the whole application.

[0012] Figure 2 It is the structure schematic diagram of the hanger and the lifting assembly of the application.

[0013] Figure 3 It is the front view of the lifting assembly of the application.

[0014] Figure 4 It is the top view of the lifting assembly of the application.

[0015] Figure 5 It is Figure 4 It is the local enlarged view of A in the middle.

[0016] Figure 6 It is the structure schematic diagram of the driving shaft, the inserting rod and the driving block of the application.

[0017] Figure 7 It is the structure schematic diagram of the placing mechanism of the application.

[0018] In the figure, 1, heat treatment box; 2, hanger; 21, bottom plate; 22, side plate; 23, connecting plate; 24, roller; 25, handle; 3, lifting assembly; 31, driving shaft; 32, impeller; 33, lifting cylinder; 331, corrugated groove; 34, sliding bar; 35, inserting rod; 36, fixed seat; 37, rotating shaft; 371, torsional spring; 38, hook; 39, driving block; 391, driving slope; 4, bearing. DETAILED DESCRIPTION

[0019] The specific embodiments of the application are further described in detail below with reference to the drawings, through the description of the embodiments, to help the person skilled in the art to have more complete, accurate and in-depth understanding of the concept and technical scheme of the application.

[0020] As Figures 1-7As shown, the present application provides a heat treatment device for robot bearing, comprising a heat treatment box 1, a hanger 2 and a lifting assembly 3, the hanger 2 is arranged in the heat treatment box 1, the lifting assembly 3 is arranged on the hanger 2 and is used for hanging and shaking the bearing 4 during heat treatment.

[0021] It should be noted that the hanger 2 comprises a bottom plate 21, side plates 22 and connecting plates 23, the lower end of the bottom plate 21 is uniformly arranged with a plurality of rollers 24, which facilitates the movement of the hanger 2, the two sides of the bottom plate 21 are respectively and symmetrically provided with side plates 22, the front side of the side plate 22 is provided with a handle 25, which facilitates pulling the hanger 2 from the heat treatment box 1, and a plurality of connecting plates 23 are uniformly arranged between the side plates 22 from top to bottom.

[0022] In addition, the lifting assembly 3 comprises a driving shaft 31, an impeller 32, a lifting cylinder 33, a hook 38 and a driving block 39, the driving shaft 31 is rotatably connected to the connecting plate 23 and the upper end thereof is provided with the impeller 32, the lifting cylinder 33 is sleeved on the driving shaft 31 and the two sides thereof are respectively provided with sliding strips 34 which are slidingly connected with the connecting plate 23, the driving shaft 31 is provided with a plug rod 35 which is inserted into the corrugated groove 331 in the inner wall of the lifting cylinder 33, a plurality of fixing seats 36 are uniformly arranged along the circumference of the outer wall of the lifting cylinder 33, each fixing seat 36 is rotatably connected with the hook 38 through a rotating shaft 37, the rotating shaft 37 is sleeved with a torsional spring 371, one end of the torsional spring 371 is connected with the hook 38, and the other end of the torsional spring 371 is connected with the fixing seat 36, and the driving block 39 is arranged at the lower end of the driving shaft 31 and the two sides thereof are symmetrically provided with driving inclined surfaces 391.

[0023] Specific implementation and principles:

[0024] S1, the bearing 4 to be heat treated is hung on the hook 38 of the lifting assembly 3;

[0025] S2, after the hook 38 is hung with the bearing 4, the hanger 2 is pushed into the heat treatment box 1, and the door is closed;

[0026] S3, the hot air in the heat treatment box 1 acts on the bearing 4 to heat treat the bearing 4;

[0027] S4, the hot air in the heat treatment box 1 blows the impeller 32 on the driving shaft 31 to rotate, so that the driving shaft 31 rotates, the plug rod 35 on the driving shaft 31 moves in the corrugated groove 331 in the lifting cylinder 33, so that the lifting cylinder 33 moves up and down, the bearing 4 on the hook 38 is moved up and down, and the driving block 39 on the driving shaft 31 moves the bearing 4 by the driving inclined surfaces 391 on the driving block 39 to move the hook 38 and the bearing 4 forward and backward;

[0028] S5, when the bearing 4 heat treatment ends, open the heat treatment box 1 door, through the handle 25 on the hanger 2 from the heat treatment box 1 hanger 2 pull out, the bearing 4 from the hanger 2 on the hook 38 off.

[0029] In summary, the present application by hot air heat treatment box 1 bearing 4 heat treatment process, while the hot air will blow the impeller 32 on the drive shaft 31 and drive shaft 31 rotation, drive shaft 31 on the plug rod 35 in the corrugated groove 331 in the lifting cylinder 33 movement, lifting cylinder 33 up and down movement, drive hook 38 on the bearing 4 up and down movement, while the drive block 39 on the drive shaft 31 through the drive slope 391 on it drive hook 38 before and after the movement of the bearing 4 vibration, on the one hand, the bearing 4 constantly change position on the hook 38, so that the bearing 4 is blocked position can also be heat treated, on the other hand, the bearing 4 shake can be on the heat treatment of carbide to fall, so that the bearing 4 more effective heat treatment.

[0030] The above-described embodiments of the present application, and do not constitute a limitation on the scope of the present application. Any modification, equivalent replacement and improvement within the spirit and principles of the present application, should be included in the scope of protection of the claims of the present application.

Claims

1. A heat treatment device for robot bearings, comprising a heat treatment chamber (1), characterised in that: It also includes a hanger (2) and a lifting assembly (3), the hanger (2) is arranged in the heat treatment box (1), the lifting assembly (3) is arranged on the hanger (2) and is used for hanging and shaking the bearing (4) during heat treatment. The hanger (2) includes a bottom plate (21), side plates (22) and connecting plates (23), the bottom plate (21) is symmetrically provided with side plates (22) on both sides, and the connecting plates (23) are uniformly arranged between the side plates (22) from top to bottom. The lifting assembly (3) includes a driving shaft (31), an impeller (32), a lifting cylinder (33), a hook (38) and a driving block (39), the driving shaft (31) is rotatably connected to the connecting plate (23) and is provided with the impeller (32) on the upper end, the lifting cylinder (33) is sleeved on the driving shaft (31) and is provided with sliding strips (34) slidably connected to the connecting plate (23) on both sides, the driving shaft (31) is provided with a plug rod (35) inserted into a corrugated groove (331) in the inner wall of the lifting cylinder (33), a plurality of fixing seats (36) are uniformly arranged along the circumference of the outer wall of the lifting cylinder (33), each fixing seat (36) is rotatably connected to the hook (38) through a rotating shaft (37), the rotating shaft (37) is sleeved with a torsional spring (371), one end of the torsional spring (371) is connected to the hook (38), and the other end of the torsional spring (371) is connected to the fixing seat (36), and the driving block (39) is arranged on the lower end of the driving shaft (31) and is symmetrically provided with driving inclined surfaces (391) on both sides.

2. A heat treatment apparatus for robot bearings according to claim 1, characterized in that: The bottom plate (21) is uniformly provided with a plurality of rollers (24) on the lower end.

3. A heat treatment apparatus for robot bearings as claimed in claim 1, wherein: The front side of the side plate (22) is provided with a handle (25).

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