JP2006002790A - Lubricant supplying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lubricant supplying device capable of taking out lubricant easily with its supplying quantity put under control without causing the lubricant to splash around and thereby establishing an efficient operation of supplying the lubricant. <P>SOLUTION: The lubricant supplying device 100 is equipped with a lubricant tank 11 where the lubricant is reserved and a pump device 13 mounted at the opening 11c of the tank 11. A fixed quantity of lubricant is precisely discharged from the tank 11 each time the operation part 13a of the pump device 13 is operated manually. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention provides a lubricant supply device for supplying lubricant such as grease, lubricant, etc. to equipment.

  Conventionally, a lubricant such as grease applied or enclosed in a rolling bearing is supplied from a lubricant manufacturer in a form enclosed in a lubricant tank or the like. As a form of the lubricant tank generally sold by the lubricant manufacturer, for example, an aluminum can (1 kg, 3 kg, 5 kg, etc., the lubricant is sealed in units), a tube package in which the lubricant is sealed in the tube , Etc. The lubricant supplied in such a form is taken out from the lubricant tank in a necessary amount at the time of use and applied or enclosed in a rolling bearing or the like.

  It is important that the amount of lubricant enclosed in a rolling bearing or the like is strictly controlled. That is, if the lubricant is excessively encapsulated, there is a problem of heat generation due to an increase in the stirring resistance of the lubricant. give. For these reasons, when encapsulating in rolling bearings, etc., use a specific enclosure that makes it easy to manage the amount of lubricant enclosed, or perform mass measurement before and after encapsulation to manage Was necessary. Because it is difficult to take out an accurate amount of lubricant from an aluminum can or tube package at one time, usually take out a secondary container such as a beaker or enclosure using a scissors or the like. I manage.

  According to the conventional lubricant supply described above, once the lubricant is once taken out from a lubricant tank such as an aluminum can or a tube package, a predetermined amount of lubricant is sealed in a rolling bearing while controlling the supply amount. There was a problem that the work was necessary and the efficiency of the sealing work was poor. In addition, when the lubricant is taken out from the lubricant tank by a bag or the like, the lubricant is likely to be scattered around, and the lubricant is not only wasted, but there is a possibility that the surrounding environment is contaminated.

  The present invention has been made in view of the above-described circumstances, and the object thereof is to easily remove the lubricant while controlling the supply amount of the lubricant without scattering the lubricant to the periphery. An object of the present invention is to provide a lubricant supply device that enables a more efficient supply operation of lubricant.

In order to achieve the above-described object, the lubricant supply device according to the present invention is characterized by the following (1), (2), (3), and (4).
(1) A lubricant supply device for supplying a lubricant to an external device,
A lubricant tank in which the lubricant is stored;
A pump device mounted in the opening of the lubricant tank;
With
The pump device has an operation unit, and a certain amount of the lubricant is discharged from the lubricant tank each time the operation unit is manually operated.
(2) A lubricant supply device for supplying a lubricant to an external device,
A lubricant tank in which the lubricant is stored;
A pump device mounted in the opening of the lubricant tank;
With
The pump device discharges a predetermined amount of the lubricant from the lubricant tank according to an operation command.
(3) The lubricant supply device according to (2) further includes a control device that sends the operation command to the pump device, and the control device discharges the lubrication from the lubricant tank by the operation command. Set the discharge rate of the agent.
(4) The external device to which the lubricant is supplied by any one of the lubricant supply devices according to the above (1) to (3) includes a bearing, a distribution container, a special enclosure, a lubricant supply capillary, and a seal It must be one of the devices.

According to the lubricant supply device having the configuration described in (1) above, the pump device includes an operation unit that discharges a certain amount of lubricant from the lubricant tank every time it is manually operated. A predetermined amount of lubricant can be easily and efficiently removed from the lubricant tank by manually operating the operation unit a required number of times determined accordingly. Thereby, the supply amount of the lubricant can be reliably managed with high accuracy and distributed to an external device such as a rolling bearing without excess or deficiency.
According to the lubricant supply device having the configuration described in (2) above, since the pump device discharges a predetermined amount of lubricant from the lubricant tank in accordance with the operation command, it is very easy to control a supply amount of lubricant. The lubricant can be taken out from the lubricant tank, and the efficiency of supplying the lubricant can be improved. Further, it is possible to prevent the surrounding environment from being contaminated by scattering the lubricant around when taken out from the lubricant tank.
According to the lubricant supply device having the configuration described in (3) above, the control device controls the pump device using the operation command to adjust the discharge amount of the lubricant discharged from the lubricant tank. Therefore, the desired amount of lubricant can be accurately supplied to the external device simply by setting the discharge amount. Thereby, the supply operation efficiency of the lubricant can be greatly improved.
According to the lubricant supply device having the configuration described in (4) above, the external device to which the lubricant is supplied is any one of a bearing, a distribution container, a special enclosure, a lubricant supply thin tube, and a sealing device. For example, a required amount of lubricant can be easily sealed from a lubricant tank in a bearing or a supply device that supplies lubricant to the bearing.

  According to the present invention, the lubricant can be easily taken out while controlling the supply amount of the lubricant without scattering the lubricant to the periphery, thereby enabling the lubricant supply operation with high efficiency. An agent supply apparatus can be provided.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through the best mode for carrying out the invention described below with reference to the accompanying drawings.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

(First embodiment)
1 (a) to 1 (c) are schematic views of a lubricant supply device 100 according to the first embodiment of the present invention, and FIGS. 2 (a) to 2 (c) are FIGS. It is an operation principle figure of the supply mechanism in 1 (c).

  As shown in FIG. 1A to FIG. 2C, a lubricant supply device 100 includes a lubricant tank 11 in which a lubricant 17 is stored, and a supply mechanism disposed in the lubricant tank 11. And a pump device 13 including (described later). The pump device 13 includes an operation unit (in other words, a push cap) 13a that performs a pump action each time it is manually operated.

  The pump device 13 is screwed into the opening portion 11c of the lubricant tank 11, and each time the operation portion 13a is manually operated once, a fixed amount (for example, 0.2 cc) of the lubricant tank 11 is provided. The lubricant 17 is discharged from the nozzle portion 11b.

  The lubricant tank 11 is formed of a synthetic resin, aluminum, or the like, and includes a container 11a for storing the lubricant 17 such as grease, lubricant, or the like, and a nozzle portion 11b that is a thin tube that discharges the lubricant 17. Is provided in the vicinity of the opening 11c at the top of the container 11a.

  In the lubricant supply device 100, the operation unit 13 a is shown in FIGS. 1B and 2B against the repulsive force (that is, elastic restoring force) of the spring 15 built in the pump device 13. A certain amount of the lubricant 17 is discharged from the nozzle portion 11b by being pushed down in the direction of the arrow A (that is, manually operated). Then, when the pressing force to the operation unit 13a is removed, the operation unit 13a returns to the original position as shown in FIG. 1C and FIG. Prepare for.

  Next, the operation principle of the pump device 13 will be described. As shown in FIG. 2A, the lubricant tank 11 that stores the lubricant 17 includes a cylinder chamber 19 that communicates with the nozzle portion 11b. A piston 21 of the pump device 13 is slidably fitted into the cylinder chamber 19.

  A check valve 23 is disposed at a location in the cylinder chamber 19 on the downstream side of the piston 21. The check valve 23 includes a compression spring 25, a ball 27 that is pressed by the compression spring 25, and a valve hole 23 a that is opened and closed by the ball 27. The check valve 23 allows the lubricant 17 to flow from the lubricant tank 11 toward the nozzle portion 11b, and prevents the lubricant 17 from flowing in the opposite direction.

  As shown in FIG. 2 (b), the operating portion 13 a is pressed in the left direction in FIG. 2 (b) against the repulsive force (ie, elastic restoring force) of the spring 15, and the piston 21 is moved into the cylinder chamber 19. Then, the lubricant 17 staying in the cylinder chamber 19 opens the valve hole 23a by pressing the ball 27 against the repulsive force (that is, elastic restoring force) of the compression spring 25, and the nozzle portion 11b. Discharged to the outside. At this time, the supply amount of the lubricant 17 is determined by the product of the cross-sectional area of the cylinder chamber 19 and the moving length of the piston 21 and is, for example, 0.2 cc.

  As shown in FIG. 2C, when the pressing force applied to the operation portion 13a is removed, the operation portion 13a returns to the original position by the repulsive force (ie, elastic restoring force) of the spring 15. At this time, the piston 21 also moves in the cylinder chamber 19 in the direction in which the cylinder chamber 19 is expanded (rightward in FIG. 2C), so that the inside of the cylinder chamber 19 becomes negative pressure and the lubricant 17 in the lubricant tank 11 is discharged. The cylinder chamber 19 is replenished to prepare for the next supply operation.

  Since the lubricant 17 is discharged from the nozzle portion 11b, for example, by 0.2 cc each time the operation portion 13a is operated, an accurate amount of lubrication can be obtained by pressing the operation portion 13a as many times as necessary. The agent 17 can be easily supplied to an external device.

  According to the lubricant supply device 100 configured as described above, the pump device 13 includes the operation unit 13a that discharges a certain amount of the lubricant 17 from the lubricant tank 11 every time it is manually operated. The operation unit 13a is manually operated a required number of times determined according to the supply amount, and the predetermined amount of the lubricant 17 can be easily and efficiently removed from the lubricant tank 11 without variation. Thereby, the supply amount of the lubricant 17 can be reliably managed with high accuracy and distributed to an external device such as a rolling bearing without excess or deficiency.

(Second Embodiment)
Next, a second embodiment of the lubricant supply device according to the present invention will be described with reference to FIG. FIG. 3 is a schematic view of a lubricant supply device 200 according to the second embodiment of the present invention.

  As shown in FIG. 3, in the lubricant supply device 200, the pump device 13 has a drive device 31, and sends an operation command to the drive device 31 to discharge the lubricant 17 from the lubricant tank 11. Since it is the same as that of 1st Embodiment (lubricant supply apparatus 100) except being further equipped with the control apparatus 35 which adjusts quantity, the same code | symbol is attached | subjected about the part which is common in 1st Embodiment. Simplify or omit.

  The drive device 31 is connected to the operation unit 13a of the pump device 13. For example, a cam (not shown) that presses the operation unit 13a of the pump device 13, an electric motor (not shown) that rotates the cam, It has. The drive device 31 is electrically connected to a control device 35 having a built-in supply amount setting device 33, and the drive device 31 operates based on power supplied from the control device 35 (that is, an operation command). The control device 35 includes, for example, a power supply device (not shown) that supplies power to the drive device 31 and a computer (not shown) that controls the power supply device so that the power supplied to the drive device 31 is adjusted. And comprising.

  When supplying the lubricant 17, first, a set value is input to the supply amount setting unit 33 in order to set a necessary supply amount, and supply is started. As the set value, a single supply amount of the lubricant 17 or the number of rotations of an electric motor (not shown) for driving the pump device 13 is set. When the rotation number set in the supply amount setting device 33 by the control device 35 is reached, or when a supply amount measuring device (not shown) is arranged in the nozzle portion 11b, the driving device 31 is the lubricant 17. When the supply amount reaches the set value, it stops and supplies the set amount of lubricant 17.

  The lubricant supply device 200 operated by power that is not manually operated is suitable for supplying a relatively large amount of the lubricant 17, for example, when distributing the lubricant 17 to a secondary container or the like. Needless to say, the present invention can also be applied to applications for accurately supplying the lubricant 17.

  The pump device 13 is not limited to the drive device 31 provided with a cam (not shown) and an electric motor (not shown) disposed on the operation portion 13a of the pump device 13 described above, and an operation command For example, the pump may be operated by power such as hydraulic pressure or pneumatic pressure. That is, the pump device 13 may be any type of device as long as it performs a pump operation.

  According to the lubricant supply device 200, the pump device 13 discharges a predetermined amount of the lubricant 17 from the lubricant tank 11 in accordance with the operation command, so that the lubricant tank can be very easily managed while supplying a large amount of the lubricant 17. 11 and the supply work efficiency of the lubricant 17 can be improved. In addition, it is possible to prevent the surrounding environment from being contaminated by scattering the lubricant 17 when the lubricant tank 11 is taken out.

  Further, according to the lubricant supply device 200, the control device 35 controls the pump device 13 using the operation command to adjust the discharge amount of the lubricant 17 discharged from the lubricant tank 11. On the other hand, the desired amount of the lubricant 17 can be accurately supplied to the external device simply by setting the discharge amount. Thereby, the supply work efficiency of the lubricant 17 can be significantly improved.

  The other operations and effects of the lubricant supply device 200 can be easily inferred from the above description of the lubricant supply device 100, and thus the description thereof is omitted.

  As an external device to which the lubricant 17 is supplied by the lubricant supply device 100 or the lubricant supply device 200 described above, for example, as shown in FIG. 4, there is a radial rolling bearing 41 that is grease-lubricated. . The rolling bearing 41 is fixed to a housing 43 in which a grease replenishing hole 43 a is formed, and an outer ring grease replenishing hole 45 a is provided on the outer ring (ie, fixed raceway) 45 of the rolling bearing 41. It is provided in communication with.

  The nozzle portion 11b of the lubricant supply device 100 or the lubricant supply device 200 described above, or a tube 37 (see FIG. 3) attached so as to extend the nozzle portion 11b as needed is attached to the grease supply hole 43a of the housing 43. Then, by manually pressing the operating portion 13a or operating the driving device 31, a certain amount of the lubricant 17 is accurately supplied into the rolling bearing 41 through the outer ring grease supply hole 45a. Accordingly, a necessary amount of the lubricant 17 can be supplied to the rolling bearing 41 without excess and deficiency, and heat generation and lack of lubrication due to the stirring resistance of the lubricant 17 can be prevented and the bearing life can be extended. If the fixed bearing ring of the rolling bearing is an inner ring, an inner ring grease replenishing hole is formed in the inner ring, and a grease replenishing hole communicating with the inner ring grease replenishing hole is formed on the fixed shaft on which the inner ring is fitted. Needless to say, it is good.

  The external device that supplies the lubricant 17 is not limited to the rolling bearing 41 described above, and examples include other types of bearings, distribution containers, special enclosures, lubricant supply capillaries, sealing devices, and the like. However, in any case, an accurate amount of the lubricant 17 can be supplied.

  In order to confirm the effect of the present invention, an example according to the lubricant supply device of the present invention and a comparative example by a conventional method for comparison with the example will be described. In both the example and the comparative example, the time required to enclose a predetermined amount of grease inside the bearing was measured, and the working efficiency was compared.

The test conditions of the examples and comparative examples were as follows.
Enclosed grease: Isoflex NBU15
Enclosed bearing: 100BNR10STYNP4 (inner diameter 100mm, outer diameter 150mm, 28 balls)
Grease filling amount: 6.1cc
Number of tests: 4 Testers: Workers unfamiliar with grease filling work

The contents of the enclosing operation are as follows.
Example: About 30 times of operation using a manual lubricant supply device with a discharge amount of 0.2 cc per time.
Comparative example (conventional method): Using a scissors, transfer from a grease can to an enclosure and then enclose it in a bearing.

The evaluation method is as follows.
The time required to enclose a predetermined amount of grease inside the bearing was measured, and the working efficiency was compared and evaluated by an average value of four times.

  The test results are shown in Table 1.

  As shown in Table 1, the working time of the example is about 1.2 seconds shorter than the working time of the comparative example (working time of about 22% of the working time of the comparative example), and the working efficiency is greatly improved. I understand that. In addition, about 30 seconds was used for the air bleed in the enclosure in the working time of the comparative example.

  Therefore, the effectiveness of the present invention was demonstrated.

  Note that the present invention is not limited to the above-described embodiments and examples, and modifications, improvements, and the like can be made as appropriate. In addition, the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiments and examples are arbitrary and are not limited as long as the present invention can be achieved.

  For example, in each lubricant tank 11 of the lubricant supply device 100 and the lubricant supply device 200, the nozzle portion 11b may be formed integrally with the container 11a, but the nozzle portion 11b is attached to the pump device 13. It is good. In this case, the opening 11c of the lubricant tank 11 is supplied from the lubricant manufacturer with the screw lid (not shown) covered, and the screw lid is removed and replaced with the pump device 13 when used. To do. Thereby, the handling of the lubricant tank 11 before use becomes easy. Further, when the new lubricant tank 11 is used, the pump device 13 is detached from the empty lubricant tank 11 and attached to the new lubricant tank 11. It can be used repeatedly and is economical.

(A)-(c) is the schematic of the lubricant supply apparatus which is 1st Embodiment of this invention. (A)-(c) is an operation | movement principle figure of the supply mechanism in FIG. It is the schematic of the lubricant supply apparatus which is 2nd Embodiment of this invention. It is an example of an external device to which a lubricant is supplied, and is a cross-sectional view of a rolling bearing that is replenished with grease.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100,200 Lubricant supply apparatus 11 Lubricant tank 11c Opening part 13 Pump apparatus 13a Operation part 17 Lubricant 31 Drive apparatus 35 Control apparatus 41 Rolling bearing (external apparatus)

Claims (4)

A lubricant supply device for supplying a lubricant to an external device,
A lubricant tank in which the lubricant is stored;
A pump device mounted in the opening of the lubricant tank;
With
The lubricant supply device according to claim 1, wherein the pump device includes an operation unit, and a certain amount of the lubricant is discharged from the lubricant tank each time the operation unit is manually operated. A lubricant supply device for supplying a lubricant to an external device,
A lubricant tank in which the lubricant is stored;
A pump device mounted in the opening of the lubricant tank;
With
The lubricant supply device, wherein the pump device discharges a predetermined amount of the lubricant from the lubricant tank according to an operation command.   The apparatus further comprises a control device for sending the operation command to the pump device, and the control device sets a discharge amount of the lubricant discharged from the lubricant tank according to the operation command. 2. The lubricant supply device according to 2.   The lubricant according to any one of claims 1 to 3, wherein the external device is any one of a bearing, a distribution container, a special enclosure, a thin tube for supplying a lubricant, and a sealing device. Feeding device.

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