CN217989838U - Oiling device for screw rod - Google Patents
Oiling device for screw rod Download PDFInfo
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- CN217989838U CN217989838U CN202221851837.3U CN202221851837U CN217989838U CN 217989838 U CN217989838 U CN 217989838U CN 202221851837 U CN202221851837 U CN 202221851837U CN 217989838 U CN217989838 U CN 217989838U
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- scraping
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Abstract
The utility model discloses an oiling device for a screw rod, which comprises an oiling module and an oil scraping module; the oil injection module is provided with an oil injection hole for injecting oil to the screw rod; the oil scraping module comprises an oil scraping element and a mounting element; the oil scraping element is provided with an oil scraping hole for a screw rod to pass through and an internal thread arranged on the inner wall of the oil scraping hole; the oil scraping element is mounted on the mounting element, the mounting element limits the oil scraping element to move relative to the oil injection module along the extending direction of the oil scraping hole and the radial direction of the oil scraping hole, and the oil scraping element can rotate relative to the oil injection module by taking the central axis of the oil scraping hole as a rotating shaft. Grease is smeared on the surface of the screw rod through the oil injection hole, then the screw rod is pulled to penetrate through the oil scraping hole and move along the extending direction of the oil scraping hole, and the oil scraping element wipes redundant grease from the screw rod in the moving process of the screw rod to prevent the waste of the grease and enable the grease to fully fill the spiral groove of the screw rod.
Description
Technical Field
The utility model relates to a lead screw auxiliary assembly field, in particular to a device that oils for lead screw.
Background
The lead screw generally needs to scribble the grease before the assembly, and the manual fat liquoring is generally adopted to traditional fat liquoring mode, smears in the lead screw after being stained with the grease with the brush before the fat liquoring again. The manual oiling is difficult to control the oil coating amount, so that waste or insufficient oil coating is easily caused. In addition, the manual oiling can not avoid the phenomenon that the hair falling off from the brush is mixed with grease and then is stuck on the screw rod, so that the adhesion of foreign matters is caused, the oiling quality is reduced, and even the operation of the screw rod is influenced. Therefore, some equipment that are used for to automatic oiling of lead screw at present are direct with grease spraying on the lead screw surface to avoid various defects that manual fat liquoring brought, but because there is certain degree of depth in the thread groove of lead screw, the thread groove can't be fully filled with the grease to current equipment to automatic oiling of lead screw, leads to the unable fully oiling of lead screw.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oiling station for lead screw.
In order to realize one of the above objects of the present invention, an embodiment of the present invention provides an oiling device for a lead screw, including:
the oil injection module is provided with an oil injection hole for injecting oil to the screw rod;
the oil scraping module is matched with the oil injection module to smear grease on the screw rod;
the oil scraping module comprises an oil scraping element and a mounting element; the oil scraping element is provided with an oil scraping hole for the screw rod to pass through and an internal thread which is arranged on the inner wall of the oil scraping hole and is used for being matched with the external thread of the screw rod; the oil scraping element is mounted on the mounting element, the mounting element limits the oil scraping element to move relative to the oil injection module along the extending direction of the oil scraping hole and the radial direction of the oil scraping hole, and the oil scraping element can rotate relative to the oil injection module by taking the central axis of the oil scraping hole as a rotating shaft.
As a further improvement of an embodiment of the present invention, the mounting element is a bearing, the outer ring of the mounting element is opposite to the oil injection module, and the inner ring of the mounting element is matched with the oil scraping element.
As a further improvement of an embodiment of the present invention, the inner ring of the mounting member is interference-fitted with the oil scraping member.
As a further improvement of an embodiment of the present invention, the oil scraping module further includes an oil scraping housing, the oil scraping housing has a perforation running through in a direction parallel to the oil scraping hole, the mounting element with the oil scraping element is all located in the perforation, just the oil scraping housing is fixedly mounted in the oil injection module.
As a further improvement of an embodiment of the present invention, the oil scraping housing has a holding portion protruding inward from an inner wall of the through hole, the holding portion being configured to hold one side of the mounting member in the axial direction; the oil scraping module further comprises a clamp spring which abuts against one side, away from the abutting part, of the mounting element, and the inner wall of the through hole is provided with a matching groove matched with the clamp spring.
As a further improvement of an embodiment of the present invention, the oil injection module further comprises an oil injection housing, and the oil injection housing is connected with the oil scraping housing through a fastener;
the oil injection shell is provided with an oil injection cavity, the oil injection hole is formed in the oil injection shell and communicated with the oil injection cavity, and the oil injection cavity extends to one end, facing the oil scraping shell, of the oil injection shell to form an opening communicated with the through hole.
As a further improvement of an embodiment of the present invention, the oil scraping housing and the oil injecting housing are provided with a seal ring therebetween.
As a further improvement of the utility model a embodiment the inside edge that still has of oiling casing is on a parallel with scrape the oiling passageway that the axial direction of oilhole extends, it is a plurality of the oil filler point sets up oiling passageway with between the oiling chamber so that oiling passageway with oiling chamber intercommunication.
As a further improvement of an embodiment of the present invention, at least two of the oil injection passages surround the oil injection cavities, and each of the oil injection passages is corresponding to a plurality of oil injection holes.
As an embodiment of the utility model provides a further improvement, the oiling casing is kept away from the one end of frizing module is provided with the oiling interface, the oiling passageway all with the oiling interface communicates with each other.
As a further improvement of an embodiment of the present invention, the oil injection cavity is kept away from one end of the oil scraping housing is closed.
Compared with the prior art, the beneficial effects of the utility model reside in that: when grease is required to be smeared on the surface of the screw rod, the grease is smeared on the surface of the screw rod through the oil filling hole, then the screw rod is pulled by a worker or external equipment to penetrate through the oil scraping hole and move along the extending direction of the oil scraping hole, redundant grease is erased from the screw rod by the oil scraping element in the moving process of the screw rod so as to prevent waste of the grease, and the spiral groove of the screw rod is fully filled with the grease, so that the screw rod is fully oiled.
Drawings
Fig. 1 is a front view of an oiling device for a lead screw according to an embodiment of the present invention inserted into the lead screw;
fig. 2 is a left side view of the oiling device for a screw rod according to an embodiment of the present invention inserted into the screw rod;
FIG. 3 is a sectional view in the direction of extension of the front view in FIG. 1;
FIG. 4 is a schematic illustration of the lead screw of FIG. 3 after it is hidden;
10, an oiling module; 11. an oiling housing; 111. a main body part; 112. a joint part; 12. an oil injection channel; 13. an oil filler hole; 14. injecting an oil cavity; 15. an oiling interface; 16. a communication channel; 17. a protruding part; 20. an oil scraping module; 21. mounting a component; 22. a scraping element; 221. scraping the oil hole; 23. a wiper housing; 231. perforating; 232. a holding portion; 24. a clamp spring; 30. a fastener; 40. a seal ring; 50. A gasket; 60. and a screw rod.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional changes that can be made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
In the various figures of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.
As shown in fig. 1 to 4, the utility model provides an oil applying device for lead screw, its effect is to paint the grease and paint evenly on the lead screw surface to guarantee that the mechanical equipment of applying this lead screw can operate steadily effectively.
The oiling device for the screw rod comprises an oiling module 10 and an oil scraping module 20. The oil injection module 10 is used for attaching grease to the surface of the screw rod. The oil scraping module 20 is matched with the oil injection module 10 to paint grease on the screw rod.
The oil injection module 10 is provided with an oil injection hole 13 for injecting oil to the screw rod, and the oil injection hole 13 conveys the grease toward the screw rod so as to attach the grease to the surface of the screw rod.
The oil scraping module 20 comprises an oil scraping element 22 and a mounting element 21; the oil scraping element 22 is provided with an oil scraping hole 221 for the screw rod to pass through, and an internal thread which is arranged on the inner wall of the oil scraping hole 221 and is used for being matched with the external thread of the screw rod. The oil scraping element 22 is mounted on the mounting element 21, the mounting element 21 limits the oil scraping element 22 from moving relative to the oil injection module 10 along the extending direction of the oil scraping hole 221 and the radial direction of the oil scraping hole 221, and the oil scraping element 22 can rotate relative to the oil injection module 10 by taking the central axis of the oil scraping hole 221 as a rotating shaft.
When grease needs to be smeared on the surface of the screw rod, the grease is smeared on the surface of the screw rod through the oil filling hole 13, then a worker or external equipment pulls the screw rod to enable the screw rod to penetrate through the oil scraping hole 221 and move along the extending direction of the oil scraping hole 221, the oil scraping element 22 wipes redundant grease from the screw rod in the moving process of the screw rod to prevent waste of the grease, and the grease fully fills the spiral groove of the screw rod, so that the screw rod is fully oiled until the whole area of the screw rod, which needs to be smeared with the grease, penetrates through the oil scraping hole 221, and the screw rod is separated from an oiling device. Because the in-process that the lead screw took out from the device that oils realizes oiling simultaneously, the operation is more convenient, and efficiency also obtains promoting.
In an embodiment of the present invention, the oil injection module 10 includes an oil injection housing 11. The oil scraping module 20 comprises an oil scraping housing 23, and the oil scraping housing 23 is fixedly installed on the oil injection module 10. Specifically, the oil injection housing 11 and the oil scraping housing 23 are connected by a fastener 30, so as to connect the oil injection module 10 and the oil scraping module 20 together.
The oil injection housing 11 is provided with an oil injection cavity 14, and the oil injection cavity 14 is used for being matched with partial area of the screw rod. The oil injection hole 13 is arranged in the oil injection shell 11 and communicated with the oil injection cavity 14, and the oil injection cavity 14 extends to one end of the oil injection shell 11 facing the oil scraping shell 23 to form an opening.
During oil injection, the screw rod penetrates through the opening and is inserted into the oil injection cavity 14, then the grease enters the oil injection cavity 14 from the oil injection hole 13 until the oil injection cavity 14 is filled with the grease, so that the grease is in full contact with the screw rod, and the phenomenon that the screw rod is insufficiently oiled due to insufficient grease is avoided.
The oil filling chamber 14 is closed at the end remote from the oil scraping housing 23. When the oiling device is used, one end of the oiling module 10 far away from the oil scraping shell 23 is inverted, and the opening of the oiling cavity 14 faces upwards. Thus, the grease can completely fill the grease injection cavity 14, the screw rod is fully contacted with the grease, and the grease is not easy to leak out of the grease injection cavity 14. The grease scraped from the screw rod by the oil scraping element 22 returns to the oil injection cavity 14 under the action of gravity to wait for the next use, so that the grease utilization rate is improved, and the waste of the grease is reduced.
The oil injection housing 11 also has an oil injection passage 12 extending in an axial direction parallel to the oil scraping holes 221, and a plurality of oil injection holes 13 are provided between the oil injection passage 12 and the oil injection chamber 14 to communicate the oil injection passage 12 with the oil injection chamber 14. Due to the provision of the oil filling passage 12 and the plurality of oil filling holes 13, the speed of filling oil into the oil filling chamber 14 is increased, and the oil can quickly fill the oil filling chamber 14, thereby improving the efficiency.
Preferably, at least two oil injection channels 12 are distributed around the oil injection cavity 14, each oil injection channel 12 is provided with a plurality of oil injection holes 13, and grease can enter the oil injection cavity 14 from multiple angles, so that the oil injection cavity 14 is prevented from being filled with the grease, and the screw rod is ensured to be in full contact with the grease.
One end of the oil injection shell 11, which is far away from the oil scraping module 20, is provided with an oil injection port 15, and the oil injection channels 12 are communicated with the oil injection port 15. Grease nipple 15 is used to connect to an external grease supply to introduce grease into grease module 10.
The oil filling housing 11 includes a main body portion 111 having a length direction parallel to an extending direction of the oil scraping hole 221, and a joint portion 112 extending from an end of the main body portion 111 facing away from the oil scraping housing 23 in a direction facing away from the oil scraping housing 23. The oil filling cavity 14, the oil filling hole 13 and the oil filling passage 12 are all arranged in the main body part 111, and the oil filling port 15 is arranged in the joint part 112. The oil filler neck 15 penetrates the joint portion 112 in a direction parallel to the longitudinal direction of the main body portion 111.
The main body portion 111 has one communication passage 16 therein adjacent to the joint portion 112, the communication passage 16 communicates with the filler neck 15, and the communication passage 16 communicates with all the filler passages 12. Alternatively, the main body portion 111 has a plurality of communication passages 16 adjacent to the joint portion 112, all the communication passages 16 communicate with the filler neck 15, and the communication passages 16 communicate with the filler passages 12 in a one-to-one correspondence.
Specifically, the opening direction of the oil filling connector 15 deviates from the oil scraping module 20, and a thread matched with an oil delivery pipe for delivering oil is arranged on the inner wall of the oil filling connector 15.
The oil scraping housing 23 has a through hole 231 penetrating in a direction parallel to the oil scraping hole 221, and the mounting element 21 and the oil scraping element 22 are located in the through hole 231. The opening of the oil injection chamber 14 communicates with the through hole 231. In use, the screw rod is inserted through the oil scraping element 22 in the through hole 231 and extends into the oil filling cavity 14, and the part of the screw rod which does not need to be oiled is outside the oiling device, so that a worker can conveniently hold and pull the screw rod.
The mounting element 21 is a bearing. The mounting element 21 comprises an outer ring, an inner ring located within the outer ring, and balls located between the outer ring and the inner ring. The outer ring of the mounting element 21 is fixed relative to the oil injection module 10, and the inner ring of the mounting element 21 is matched with the oil scraping element 22. When the screw rod passes through the oil scraping hole 221 and moves along the oil scraping element 22, the outer ring of the mounting element 21 is fixed in position, and the inner ring and the oil scraping element 22 rotate synchronously. Since the outer race of the mounting member 21 is fixed to the oil scraping housing, and the oil scraping housing is fixed to the oil injection module 10, the oil scraping member 22 is merely rotated and does not move relative to the oil injection module 10. In this way, when the screw rod moves along the oil scraping element 22, the oil scraping element 22 does not move along the screw rod, but rotates relative to the screw rod, and the screw groove of the screw rod is fully filled with grease while excess grease on the screw rod is scraped.
Further, the inner ring of the mounting element 21 is in interference fit with the oil scraping element 22, and the oil scraping element 22 and the mounting element 21 are more convenient to assemble and disassemble.
The mounting element 21 penetrates through the opening of the oil injection cavity 14 and extends into the oil injection cavity 14, so that the space utilization rate is improved, and the overall length of the oiling device is reduced.
The oil scraping shell 23 has an abutting portion 232 protruding inward from an inner wall of the through hole 231, and the abutting portion 232 abuts against one side of the mounting element 21 in the axial direction; the oil scraping module 20 further includes a clamp spring 24 abutting against one side of the mounting element 21 away from the abutting portion 232, and the inner wall of the through hole 231 is provided with a matching groove matched with the clamp spring 24. The snap spring 24 and the abutting portion 232 together clamp the mounting element 21, thereby fixing the mounting element 21 to the oil scraping housing 23.
Further, a seal ring 40 is provided between the oil scraping housing 23 and the oil filling housing 11 to prevent grease from leaking between the oil scraping housing 23 or the oil filling housing 11. Specifically, a side of the oil squirting housing 23 facing the oil squirting housing 11 and/or a side of the oil squirting housing 11 facing the oil squirting housing 23 is provided with a groove for engaging with the seal ring 40.
The fastening members 30 are bolts, and the oil injection housing 11 and the oil scraping housing 23 are connected through at least two fastening members 30 distributed around the through hole 231. Specifically, an end of the oil case 11 facing the oil scraping case 23 has a protruding portion 17 protruding in a radial direction of the oil case 11, and the protruding portion 17 has at least two fitting holes through which the fastening members 30 pass, the fitting holes being parallel to the through holes 231. The oil scraping housing 23 has a groove corresponding to the fitting hole. The shank of the bolt passes through the mating hole and into a slot in the wiper housing 23. The cap of the bolt is on the side of the protruding portion 17 facing away from the oil scraping housing 23 and the oiling device is provided with a gasket 50 between the cap of the bolt and the protruding portion 17.
With reference to fig. 1 to 3, the process of the oiling device for a screw rod of the present embodiment in use is as follows:
(1) The oiling device is vertically placed, so that the oil scraping module 20 is positioned above the oil injection module 10, and the opening of the oil injection cavity 14 is upward;
(2) The operator inserts the spindle 60 from the top downwards into the oil scraping opening 221 of the oil scraping element 22 and moves the spindle 60 downwards, so that the spindle 60 enters the oil filling chamber 14 for the most part, the top region of the spindle 60 being outside the oiling device.
(3) Injecting grease into the grease injection port 15, then enabling the grease to flow along the grease injection channel 12 and the grease injection hole 13 in sequence and enter the grease injection cavity 14 until the grease injection cavity 14 is filled with the grease, and enabling the grease to be fully contacted with the screw rod 60;
(4) At this time, the operator holds the part of the screw rod 60 outside the oiling device and pulls out the screw rod 60 upwards, and the oil scraping element 22 rotates in the process of pulling out the screw rod 60 due to the matching of the internal thread of the oil scraping element 22 and the spiral groove of the screw rod 60; the oil scraping element 22 scrapes off the excess grease on the screw rod 60, and the grease is enabled to fully fill the spiral groove of the screw rod 60, and meanwhile, the grease flows back to the oil injection cavity 14 under the action of gravity to wait for the next use.
(5) And after the screw rod 60 is completely taken out, oiling the screw rod 60 is completed.
The screw rod of the embodiment is preferably applied to the screw rod of the brake clamp, and the screw rod for the brake clamp is short in size and convenient to directly draw out from the oiling device.
In conclusion, the oiling device for the screw rod of the embodiment is used for oiling the screw rod, grease waste can be avoided, the spiral groove of the screw rod is fully filled with grease through the oil scraping element 22 in the taking-out process of the screw rod, the screw rod is fully oiled, and the oiling device is convenient to operate and is not easy to cause hands of operators to be dirty.
The above list of detailed descriptions is only for the specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention should be included within the scope of the present invention.
Claims (11)
1. An oiling device for a lead screw, comprising:
the oil injection module is provided with an oil injection hole for injecting oil to the screw rod;
the oil scraping module is matched with the oil injection module to smear grease on the screw rod;
the oil scraping module comprises an oil scraping element and a mounting element; the oil scraping element is provided with an oil scraping hole for the screw rod to pass through and an internal thread which is arranged on the inner wall of the oil scraping hole and is used for being matched with the external thread of the screw rod; the oil scraping element is mounted on the mounting element, the mounting element limits the oil scraping element to move relative to the oil injection module along the extending direction of the oil scraping hole and the radial direction of the oil scraping hole, and the oil scraping element can rotate relative to the oil injection module by taking the central axis of the oil scraping hole as a rotating shaft.
2. Oiling device for lead screw according to claim 1, wherein the mounting element is a bearing, the outer ring of the mounting element is fixed with respect to the oiling module, and the inner ring of the mounting element cooperates with the scraping element.
3. Oiling device for screw according to claim 2, characterized in that the inner ring of the mounting element is interference fitted with the scraping element.
4. The oiling apparatus for a lead screw according to claim 1, wherein the oil scraping module further comprises an oil scraping housing having a through hole penetrating in a direction parallel to the oil scraping hole, the mounting element and the oil scraping element are both located in the through hole, and the oil scraping housing is fixedly mounted to the oil injection module.
5. The oiling apparatus for a screw according to claim 4, wherein the oil scraping case has an abutting portion protruding inward from an inner wall of the through hole, the abutting portion being configured to abut against one side in an axial direction of the mounting member; the oil scraping module further comprises a clamp spring which abuts against one side, away from the abutting part, of the mounting element, and the inner wall of the through hole is provided with a matching groove matched with the clamp spring.
6. The oiling device for a lead screw according to claim 4, wherein the oiling module further comprises an oiling housing, and the oiling housing is connected with the oil scraping housing through a fastener;
the oil injection shell is provided with an oil injection cavity, the oil injection hole is formed in the oil injection shell and communicated with the oil injection cavity, and the oil injection cavity extends to one end, facing the oil scraping shell, of the oil injection shell to form an opening communicated with the through hole.
7. The oiling device for a lead screw according to claim 6, wherein a sealing ring is arranged between the oil scraping shell and the oil injection shell.
8. The oiling device for a lead screw according to claim 6, wherein an oiling channel extending in an axial direction parallel to the oil scraping hole is further provided inside the oiling housing, and a plurality of oiling holes are provided between the oiling channel and the oiling chamber to communicate the oiling channel with the oiling chamber.
9. The oiling device for a lead screw according to claim 8, wherein at least two oil injection channels are distributed around the oil injection cavity, and each oil injection channel is provided with a plurality of oil injection holes correspondingly.
10. The oiling device for a lead screw according to claim 9, wherein an oiling port is arranged at one end of the oiling housing away from the oil scraping module, and the oiling channels are communicated with the oiling port.
11. Oiling device for screw according to claim 6, characterized in that the oil injection cavity is closed at the end far from the oil scraping shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851837.3U CN217989838U (en) | 2022-07-18 | 2022-07-18 | Oiling device for screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851837.3U CN217989838U (en) | 2022-07-18 | 2022-07-18 | Oiling device for screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217989838U true CN217989838U (en) | 2022-12-09 |
Family
ID=84316112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851837.3U Active CN217989838U (en) | 2022-07-18 | 2022-07-18 | Oiling device for screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217989838U (en) |
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2022
- 2022-07-18 CN CN202221851837.3U patent/CN217989838U/en active Active
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