Quenching machine for bearing

Abstract

The utility model relates to the technical field of bearing processing, in particular to a quenching machine for a bearing, which comprises a machine body provided with a heating cavity and a cooling cavity which are distributed from top to bottom, a high-frequency heating device, a fixing device, a water injection valve and a water drainage valve, the high-frequency heating device is composed of a support and a high-frequency heater installed on the support, a heating area is formed on the high-frequency heater, and the fixing device is composed of a lifting structure, a vacuum adsorption structure and a driving structure. The vacuum adsorption structure can be controlled by the lifting structure to ascend and descend and can adsorb the bearing to ascend and descend to leave or enter the heating area. The vacuum adsorption structure can be controlled by the driving structure to rotate clockwise or anticlockwise, and controls the bearing to rotate clockwise or anticlockwise in the heating area; after the bearing is heated, the bearing can be directly fed into the cooling cavity to be cooled by the lifting structure or the vacuum adsorption structure, so that the continuity of each step of the quenching process is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to a quenching machine for bearings. Background Art

[0002] Bearings are currently important and common components in mechanical equipment. They mainly support the rotation of mechanical shafts, reduce the friction coefficient, and ensure the stable operation of mechanical equipment.

[0003] Nowadays, in order to ensure the performance and life of bearings during production, bearing products need to be quenched and heat treated. The current quenching machine lacks continuity in the bearing quenching process. That is to say, after the bearing is heated, it cannot be quickly cooled (for example, the bearing cannot be sent to the cooling medium in time), which will affect the quenching effect.

[0004] In summary, there is a need to improve the existing technology. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a bearing quenching machine, aiming to solve the problems arising from the above-mentioned background technology.

[0006] The technical solution of the utility model is achieved as follows: a bearing quenching machine, characterized in that it includes:

[0007] The machine body has a heating chamber and a cooling chamber distributed from top to bottom;

[0008] A high-frequency heating device is installed in the heating chamber and is used to heat the bearing;

[0009] A fixing device is installed on the machine body and has a fixed end that can be raised and lowered and is used to fix the bearing;

[0010] A water injection valve and a drain valve are provided on the machine body and are used to add water to and drain water from the cooling chamber, respectively. The high-frequency heating device is composed of a bracket and a high-frequency heater mounted on the bracket. A heating zone is formed on the high-frequency heater. The fixing device is composed of a lifting structure, a vacuum adsorption structure, and a driving structure.

[0011] The vacuum adsorption structure can be controlled to rise and fall by the lifting structure, and can adsorb the bearing to move up and down to leave or enter the heating area;

[0012] The vacuum adsorption structure can be controlled by the driving structure to rotate clockwise or counterclockwise, and controls the bearing to rotate clockwise or counterclockwise in the heating zone.

[0013] Preferably, the vacuum adsorption structure includes:

[0014] The lifting rotary plate is rotatably mounted on the machine body and has a gear ring integrally formed around it;

[0015] The vacuum adsorption axes are equidistantly distributed around the center of the lifting rotary disk;

[0016] The lifting rotary disk and the vacuum adsorption shaft form an adsorption cavity that is communicated with each other, and a vacuum valve that can be connected to a vacuum pump and communicated with the adsorption cavity is provided on the machine body.

[0017] Preferably, the lifting rotary plate includes:

[0018] The upper disc body is provided with at least two circumferentially extending sliding grooves, and the gear ring is integrally formed around the periphery;

[0019] A limiting rod is connected to the machine body, and one end of the limiting rod passes through the slide groove, and a support block can be provided at the free end of the limiting rod;

[0020] The lower plate is coaxially arranged below the upper plate and is provided with the adsorption shaft;

[0021] Wherein, a lifting opening is coaxially provided on the upper disk body, and a lifting shaft passing through the lifting opening is integrally formed on the lower disk body.

[0022] Preferably, the lifting structure is composed of a hydraulic cylinder mounted on the machine body and a drive shaft connected to a piston end of the hydraulic cylinder and rotatably connected to the lifting shaft.

[0023] Preferably, the driving structure is composed of a driving motor mounted on the machine body and a driving gear fixedly connected to a motor shaft of the driving motor; wherein the driving gear is meshed with a ring gear.

[0024] Preferably, the mating surfaces of the lifting shaft and the lifting opening are respectively provided with limiting ribs and limiting grooves that adapt to each other.

[0025] Preferably, a feed port is provided on the machine body, and a material drawer is slidably connected to the feed port.

[0026] The utility model has at least the following beneficial effects:

[0027] 1. The utility model sets the heating chamber and the cooling chamber in the machine body. When the bearing is heated in the heating chamber, it can quickly fall into the cooling chamber, thereby making the quenching process of the bearing more coherent and ensuring the quenching effect.

[0028] 2. In order to achieve uniform heating of the bearing, the utility model provides a fixing device consisting of a vacuum adsorption structure, a driving structure and a lifting structure. The vacuum adsorption structure is used to fix and loosen the bearing, the lifting structure is used to control the bearing to approach or move away from the high-frequency heating device, and the driving structure can drive the vacuum adsorption structure to drive the bearing to rotate, so that the bearing can be evenly heated by the high-frequency heating device.

[0029] In addition, the use principle and other advantages of the present invention will be demonstrated in the embodiment part of the present invention, thereby making the beneficial effects of the present invention more significant. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0031] Figure 1 This is a schematic structural diagram of a specific implementation method of the utility model;

[0032] Figure 2 for Figure 1 AA section view in;

[0033] Figure 3 for Figure 2 BB cross-section view in. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] like Figure 1-Figure 3 As shown, a bearing quenching machine of this embodiment is composed of a machine body 10, a high-frequency heating device, a fixing device, a water injection valve 11 and a drain valve 12, wherein the machine body is provided with a heating chamber and a cooling chamber distributed from top to bottom, and the water injection valve 11 and the drain valve 11 are connected to the cooling chamber, and are used to inject quenching liquid into the cooling chamber or discharge the quenching liquid in the cooling chamber.

[0036] refer to Figure 1The high-frequency heating device of this embodiment is installed in the heating chamber and is used to heat the bearing 100. It is composed of a bracket 20 and a high-frequency heater 21 installed on the bracket 20. The high-frequency heater 21 has a heating zone;

[0037] refer to Figure 1 The fixing device of this embodiment is mounted on the body 10 and has a fixed end that can be lifted and lowered and is used to fix the bearing 100. In more detail, the fixing device of this embodiment is composed of a lifting structure, a vacuum adsorption structure, and a driving structure.

[0038] The vacuum adsorption structure can be controlled to rise and fall by the lifting structure, and can adsorb the bearing 100 to move up and down to leave or enter the heating area;

[0039] The vacuum adsorption structure can be controlled by the driving structure to rotate clockwise or counterclockwise, and controls the bearing 100 to rotate clockwise or counterclockwise in the heating zone.

[0040] In this embodiment: the vacuum adsorption structure includes:

[0041] The lifting rotary plate is rotatably mounted on the body 10 and has a gear ring 31 integrally formed around it;

[0042] The vacuum adsorption shafts 32 are equidistantly spaced around the center of the lifting rotary disk;

[0043] Among them, the lifting rotary disk and the vacuum adsorption shaft 32 form an adsorption chamber that is interconnected, and a vacuum valve 33 that can be connected to a vacuum pump (not shown) and is connected to the adsorption chamber 305a is provided on the body 10, and the adsorption chamber is connected to the vacuum valve 33 through an air pipe 33a.

[0044] refer to Figure 3 In this embodiment, the lifting rotary plate includes:

[0045] The upper plate 301 is provided with at least two circumferentially extending sliding grooves 302, and the gear ring 31 is integrally formed around the periphery;

[0046] A limiting rod 303 is connected to the body 10 and has one end passing through the slide slot 302 . A support block 304 can be provided at the free end of the limiting rod 303 .

[0047] The lower plate 305 is coaxially arranged below the upper plate 301 and is provided with the adsorption shaft 32. The bottom of the adsorption shaft 32 (the end of the adsorption shaft away from the lower plate 305 is provided with an adsorption port);

[0048] A lifting opening is coaxially provided on the upper plate 301 , and a lifting shaft 4 passing through the lifting opening is integrally formed on the lower plate 305 .

[0049] In this embodiment, the lifting structure is composed of a hydraulic cylinder 50 installed on the machine body 10 and a driving shaft 51 connected to the piston end of the hydraulic cylinder and rotatably connected to the lifting shaft.

[0050] In this embodiment, the driving structure is composed of a driving motor 60 mounted on the machine body 10 and a driving gear 61 fixedly connected to the motor shaft of the driving motor 60 ; wherein the driving gear 61 is meshed with the ring gear 31 .

[0051] In this embodiment, the mating surfaces of the lifting shaft 4 and the lifting opening are respectively provided with a limiting rib 40 and a limiting groove 41 that adapt to each other.

[0052] In this embodiment, a feed port is provided on the machine body 10 , and a material drawer 7 is slidably connected to the feed port.

[0053] refer to Figure 1-Figure 3 , the principle of this embodiment is, in order to better demonstrate the advantages of this embodiment, Figure 3 The structure of the lower half of the body (ie, the cooling chamber) is not shown, and there is no design feature in the cooling chamber of this embodiment, which is only injected with quenching liquid (such as water). Therefore, it is not repeated in this embodiment.

[0054] The quenching process of this embodiment is as follows: first, the bearing is placed in the material drawer, and the material drawer is pushed into the machine body to complete the feeding, and then the hydraulic cylinder drives the lifting shaft to descend, causing the lower plate to descend. When the adsorption port at the bottom end of the adsorption shaft contacts the bearing, the vacuum pump is started and adsorbs the bearing, and then the hydraulic cylinder drives the lower plate to rise, and allows the bearing to enter the heating zone of the high-frequency heater. After the heating of the bearing is completed, the hydraulic cylinder can be used to drive the lifting shaft to descend or the vacuum pump can be stopped, so that the bearing can directly fall into the quenching liquid, thereby completing the quenching of the bearing.

[0055] Worthy of mention are:

[0056] In this embodiment, when the bearing is heated, the driving motor can drive the upper disk body to rotate back and forth clockwise and counterclockwise through the cooperation of the driving gear and the ring gear, thereby driving the lower disk body to rotate through the lifting shaft (due to the cooperation of the limiting ribs and limiting grooves of the lifting shaft, when the upper disk body rotates, the lifting shaft will also rotate), thereby driving the bearing to rotate in the heating zone formed near the high-frequency heater, thereby ensuring that the bearing is evenly heated.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bearing quenching machine, characterized in that: include: The machine body (10) has a heating chamber and a cooling chamber distributed from top to bottom; A high-frequency heating device is installed in the heating chamber and is used to heat the bearing (100); A fixing device is mounted on the machine body (10) and has a fixing end capable of lifting and lowering and used to fix the bearing (100); A water injection valve (11) and a drain valve (12) are provided on the machine body (10) and are used for respectively adding water to the cooling chamber and draining water. The high-frequency heating device is composed of a bracket (20) and a high-frequency heater (21) mounted on the bracket (20). A heating zone is formed on the high-frequency heater. The fixing device is composed of a lifting structure, a vacuum adsorption structure, and a driving structure. The vacuum adsorption structure can be controlled to rise and fall by the lifting structure, and can adsorb the bearing (100) to move up and down to leave or enter the heating zone; The vacuum adsorption structure can be controlled by the driving structure to rotate clockwise or counterclockwise, and controls the bearing (100) to rotate clockwise or counterclockwise in the heating zone.

2. A bearing quenching machine according to claim 1, characterized in that: The vacuum adsorption structure comprises: A lifting rotary disc is rotatably mounted on the machine body (10) and has a gear ring (31) integrally formed around its periphery; The vacuum adsorption shafts (32) are equidistantly distributed around the center of the lifting rotating disk; The lifting rotary disk and the vacuum adsorption shaft (32) form an adsorption cavity that is communicated with each other, and a vacuum valve (33) that can be connected to a vacuum pump and communicates with the adsorption cavity is provided on the machine body (10).

3. A bearing quenching machine according to claim 2, characterized in that: The lifting rotary plate comprises: The upper disc body (301) is provided with at least two circumferentially extending sliding grooves (302), and the gear ring (31) is integrally formed around the periphery; A limiting rod (303) is connected to the machine body (10), and one end of the limiting rod passes through the slide groove (302), and a support block (304) can be provided at the free end of the limiting rod (303); A lower disk body (305) is coaxially arranged below the upper disk body (301) and is provided with the adsorption shaft (32); Wherein, a lifting opening is coaxially provided on the upper disk body (301), and a lifting shaft (4) passing through the lifting opening is integrally formed on the lower disk body (305).

4. A bearing quenching machine according to claim 3, characterized in that: The lifting structure is composed of a hydraulic cylinder (50) mounted on a machine body (10) and a drive shaft (51) connected to a piston end of the hydraulic cylinder (50) and rotatably connected to the lifting shaft (4).

5. A bearing quenching machine according to claim 3 or 4, characterized in that The driving structure is composed of a driving motor (60) mounted on a machine body (10) and a driving gear (61) fixedly connected to a motor shaft of the driving motor (60); wherein the driving gear (61) is meshed with a ring gear (31).

6. A bearing quenching machine according to claim 3 or 4, characterized in that: The mating surfaces of the lifting shaft (4) and the lifting opening are respectively provided with mutually adapted limiting ribs (40) and limiting grooves (41).

7. A bearing quenching machine according to any one of claims 1 to 4, characterized in that: The machine body (10) is provided with a feed port, and a material drawer (7) is slidably connected to the feed port.

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