Open gear automatic lubricating mechanism

Abstract

The utility model discloses an automatic lubricating mechanism for an exposed gear, which relates to the technical field of mechanical lubrication and is characterized in that a supporting shaft parallel to a main shaft is arranged in a sealing cover, and a lubricating gear meshed with the exposed gear is rotatably mounted on a shaft body of the supporting shaft; a through hole and a blind hole which are arranged in the radial direction of the supporting shaft are formed in the contact face of the lubricating gear and the supporting shaft, the end of the supporting shaft extends out of the sealing cover, and an oil adding channel which is arranged in the axial direction of the supporting shaft is arranged on the end face of the end close to the lubricating gear. The contact surface of the supporting shaft and the lubricating gear is provided with an oil filling hole which is communicated with the oil filling passage and corresponds to the blind hole, the contact surface of the supporting shaft and the lubricating gear is also provided with an oil conveying groove which is arranged along the axial direction of the supporting shaft, and the two ends of the oil conveying groove are respectively and correspondingly communicated with the through hole and the blind hole up and down; by means of the device, uniform and efficient lubricating smearing can be conducted on the tooth surface of the open gear, and the discharge amount of lubricating grease is automatically adjusted and controlled along with the rotating speed of the open gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical lubrication technical field especially relates to a kind of open gear automatic lubricating mechanism. BACKGROUND

[0002] It is known that during the long-time use of open gear transmission, since open gears are mostly exposed, in order to ensure the transmission accuracy of open gear transmission and prolong the service life of open gear transmission, it is usually necessary to lubricate open gear transmission, and the existing lubrication method is either manual application of lubricating grease or automatic lubrication by using an electric lubricating device. However, these lubrication methods have the following disadvantages in actual use:

[0003] 1. The manual application of lubricating grease is not only time-consuming and laborious, but also has a high safety risk during the rotation of the gear. If lubrication is performed during shutdown, it will affect the normal operation of the open gear, which is inconvenient.

[0004] 2. The existing electric lubricating device generally uses an oil pipe to perform oil dripping, which will continuously lubricate whether the open gear is rotating or not, and it is easy to cause a great waste of lubricating grease.

[0005] 3. The existing electric lubricating device can only lubricate the local gear by dripping, and it cannot uniformly and effectively lubricate the gear surface of the open gear, which is not ideal.

[0006] Therefore, there is an urgent need for an open gear automatic lubricating device that can overcome the above-mentioned disadvantages. SUMMARY

[0007] In order to overcome the disadvantages in the background art, the utility model discloses an open gear automatic lubricating mechanism, which can uniformly and efficiently lubricate the gear surface of the open gear, and the discharge amount of lubricating grease is automatically controlled according to the rotation speed of the open gear, which effectively avoids the waste of lubricating grease.

[0008] To achieve the above-mentioned purposes, the utility model adopts the following technical solutions:

[0009] The utility model provides an open gear automatic lubricating mechanism, including the seal cover, be equipped with the main shaft in the seal cover, be equipped with the open gear on the main shaft axle, be equipped with the support shaft in the seal cover with the main shaft parallel, the support shaft axle is equipped with the lubricating gear of meshing with the open gear and rotates and installs on the axle, the contact surface of lubricating gear and support shaft is equipped with the through -hole and the blind hole along the radial direction of support shaft respectively, the through -hole and the blind hole are parallel with each other, and the axial interval is arranged along the support shaft, the blind hole is equipped with nylon piston, is equipped with the spring between the bottom surface of blind hole and nylon piston for the elastic push of nylon piston and moves, forms the oil storage groove between nylon piston and blind hole orifice, the end of support shaft projects out of the seal cover and is close to the end face of lubricating gear one end and is equipped with the oiling passageway along the axial direction of support shaft, is equipped with the injection hole of corresponding oiling passageway and blind hole with the contact surface of support shaft and lubricating gear, the contact surface of support shaft and lubricating gear is still equipped with the oil delivery groove along the axial direction of support shaft and the both ends correspond with the through -hole and the blind hole respectively, the injection hole and the oil delivery groove are spaced apart along the circumferential direction of support shaft, and the both ends of oil delivery groove correspond with the through -hole and the blind hole respectively.

[0010] Further, the oiling passageway is provided with an oiling nozzle for connecting an oil injection device.

[0011] Further, the central hole of the lubricating gear is provided with a diameter expansion opening at both ends, and the diameter expansion opening is provided with a bearing matched with the support shaft.

[0012] Further, the end face of the lubricating gear is provided with a bearing sealing cover sleeved on the shaft body of the support shaft and used for clamping and stopping the bearing.

[0013] Further, the end of the support shaft projecting out of the seal cover is provided with a clamping groove, and a clamping plate connected with the seal cover and used for limiting and fixing the support shaft is inserted into the clamping groove.

[0014] Compared with the prior art, the utility model has the advantages that the utility model avoids the traditional manual smearing or electric centralized lubricating mode, utilizes the lubricating gear meshing with the open gear, can realize uniform and efficient lubrication of the open gear tooth surface, and the discharge amount of lubricating oil is automatically controlled according to the rotating speed of the open gear; the utility model has the advantages of simple structure, convenient operation and use, greatly improved lubricating efficiency and lubricating effect of the open gear, greatly reduced waste of lubricating oil, and high practical value and popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a lubricating gear structural schematic diagram of the utility model;

[0017] Figure 3The utility model discloses a lubricated gear oil inlet state schematic drawing.

[0018] Figure 4 The utility model discloses a lubricated gear oil discharge state schematic drawing.

[0019] In the drawing: 1, seal cover, 2, lubricated gear, 3, oiling passage, 4, support shaft, 5, open gear, 6, main shaft, 7, through -hole, 8, blind hole, 9, expanding diameter mouth, 10, spring, 11, nylon piston, 12, bearing, 13, clamping plate, 14, oil storage tank, 15, oiling nozzle, 16, oil injection hole, 17, oil delivery groove, 18, bearing sealing cover. Specific embodiments

[0020] The technical scheme of the utility model will be described below in conjunction with the drawings in the embodiments of the utility model, and in the description, it is understood that if the orientation or position relationship of the terms "upper", "lower", "front", "rear", "left", "right" and the like is indicated, it is only corresponding to the drawings of the utility model, and is for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation.

[0021] Please refer to the attached drawings of the specification Figures 1-4 The utility model provides a technical scheme:

[0022] Embodiment one, a kind of open gear automatic lubrication mechanism, including seal cover 1, main shaft 6 is equipped in seal cover 1, main shaft 6 is equipped with open gear 5 on the axle, seal cover 1 is equipped with support shaft 4 parallel with main shaft 6, support shaft 4 is rotatably installed with the lubricated gear 2 meshing with open gear 5 on the axle, the contact surface of lubricated gear 2 and support shaft 4 is respectively equipped with along the radial direction of support shaft 4 The through -hole 7 and blind hole 8 of setting, through -hole 7 and blind hole 8 are parallel to each other, and are axially spaced apart along support shaft 4, blind hole 8 is equipped with nylon piston 11, spring 10 for the elastic push of nylon piston 11 is arranged between the inner bottom surface of blind hole 8 and nylon piston 11, and the oil storage tank 14 is formed between the hole mouth of nylon piston 11 and blind hole 8, the end of support shaft 4 projects seal cover 1, and is equipped with along the axial direction of support shaft 4 The oiling passage 3 of setting on the end surface of lubricated gear 2, the outer end of oiling passage 3 is equipped with the oiling nozzle 15 for connecting oil injection equipment, the contact surface of support shaft 4 and lubricated gear 2 is equipped with the oil injection hole 16 being communicated with oiling passage 3 and corresponding with blind hole 8, the oil injection hole 16 and blind hole 8 are spaced apart or disconnected along with the rotation of lubricated gear 2, the contact surface of support shaft 4 and lubricated gear 2 is still equipped with along the axial direction of support shaft 4 The oil delivery groove 17 of setting, and the two ends of oil delivery groove 17 are respectively corresponding with through -hole 7 and blind hole 8, the oil injection hole 16 and oil delivery groove 17 are spaced apart along the circumferential direction of support shaft 4, and the two ends of oil delivery groove 17 are respectively corresponding with through -hole 7 and blind hole 8, and the oil delivery groove 17 and through -hole 7 and blind hole 8 are spaced apart or disconnected along with the rotation of lubricated gear 2;

[0023] When the lubricating grease is injected, the lubricating grease is injected through the oil filling passage 3, and the lubricating grease is sequentially injected into the blind hole 8 through the oil filling passage 3 and the oil injection hole 16. With the injection of the lubricating grease, the nylon piston 11 is pushed to move upward, and the lubricating grease is temporarily stored in the oil storage groove 14;

[0024] The rotation of the open gear 5 drives the lubricating gear 2 to rotate. When the through hole 7 and the blind hole 8 are rotated to correspond to the oil delivery groove 17, the lubricating grease in the oil storage groove 14 is pushed into the oil delivery groove 17 through the spring 10 and the nylon piston 11, and is delivered into the through hole 7 through the oil delivery groove 17. With the continuous rotation of the lubricating gear 2 driven by the open gear 5, the lubricating grease in the through hole 7 is mainly discharged outward by relying on the centrifugal force generated by the rotation of the lubricating gear 2, and a small amount of lubricating grease is discharged outward by relying on the pushing force of the nylon piston 11. Finally, the lubricating grease is discharged into the tooth surface of the lubricating gear 2 through the through hole 7. With the meshing transmission of the lubricating gear 2 and the open gear 5, the lubricating grease can be uniformly coated on the tooth surface of the open gear 5. When the open gear 5 rotates at a small speed or does not rotate, the lubricating grease in the corresponding through hole 7 is also less discharged or not discharged, effectively avoiding the waste of the lubricating grease.

[0025] In order to realize the stable installation of the lubricating gear 2, the center hole of the lubricating gear 2 is provided with a diameter expansion port 9 at both ends, the diameter expansion port 9 is provided with a bearing 12 matched with the support shaft 4, the end faces of the lubricating gear 2 are provided with bearing sealing covers 18 sleeved on the shaft body of the support shaft 4 and used for clamping and stopping the bearing 12, and the end part of the support shaft 4 protruding out of the sealing cover 1 is provided with a clamping groove, and a clamping plate 13 connected with the sealing cover 1 and used for limiting and fixing the support shaft 4 is inserted into the clamping groove.

[0026] The parts not described in detail in the utility model are prior art. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the above embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any reference signs in the claims should not be regarded as limiting the content of the involved claims.

Claims

1. An open gear automatic lubrication mechanism, comprising a sealing cover (1), a main shaft (6) provided in the sealing cover (1), and an open gear (5) provided on the shaft of the main shaft (6), characterized in that: A support shaft (4) parallel to the main shaft (6) is provided in the sealing cover (1). A lubricating gear (2) meshing with the open gear (5) is rotatably mounted on the shaft of the support shaft (4). A through hole (7) and a blind hole (8) arranged along the radial direction of the support shaft (4) are provided on the contact surface between the lubricating gear (2) and the support shaft (4). The through hole (7) and the blind hole (8) are parallel to each other and spaced apart along the axial direction of the support shaft (4). A nylon piston (11) is provided in the blind hole (8). A spring (10) for elastically pushing the nylon piston (11) to move is provided between the nylon piston (11) and the inner bottom surface of the blind hole (8). An oil storage tank (14) is formed between the nylon piston (11) and the orifice of the blind hole (8). The end of the support shaft (4) protrudes from the sealing cover (1), and is provided with an oil filling passage (3) arranged along the axial direction of the support shaft (4) on an end surface close to the lubricating gear (2). An oil filling hole (16) connected to the oil filling passage (3) and corresponding to the blind hole (8) is provided on the contact surface between the support shaft (4) and the lubricating gear (2). An oil delivery groove (17) arranged along the axial direction of the support shaft (4) and having two ends corresponding to the through hole (7) and the blind hole (8) is also provided on the contact surface between the support shaft (4) and the lubricating gear (2). The oil filling hole (16) and the oil delivery groove (17) are spaced apart along the circumference of the support shaft (4), and the two ends of the oil delivery groove (17) correspond to the through hole (7) and the blind hole (8) in the upper and lower directions respectively.

2. The automatic lubrication mechanism for open gears according to claim 1, characterized in that: The outer end of the refueling passage (3) is provided with a refueling nozzle (15) for connecting to an oil filling device.

3. The automatic lubrication mechanism for open gears according to claim 1, characterized in that: Both ends of the central hole of the lubricating gear (2) are provided with enlarged diameter openings (9), and bearings (12) matching with the support shaft (4) are provided in the enlarged diameter openings (9).

4. The automatic lubrication mechanism for open gears according to claim 3, characterized in that: Both end faces of the lubricating gear (2) are provided with bearing sealing covers (18) which are sleeved on the shaft body of the support shaft (4) and are used to block and limit the bearing (12).

5. The automatic lubrication mechanism for open gears according to claim 1, characterized in that: The end of the support shaft (4) protruding from the sealing cover (1) is provided with a card slot, and a card plate (13) connected to the sealing cover (1) and used for limiting and fixing the support shaft (4) is inserted into the card slot.

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