CN217551183U

CN217551183U - Feeding device of numerical control lathe

Info

Publication number: CN217551183U
Application number: CN202221519397.1U
Authority: CN
Inventors: 周健达
Original assignee: Nanyang Dalitai Machinery Co ltd
Current assignee: Nanyang Dalitai Machinery Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-11
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a numerical control lathe feeding device belongs to lathe processing equipment technical field, this numerical control lathe feeding device, including the feed box, the feed box internal rotation is connected with the lead screw, be connected with the connecting block that is used for driving the knife rest and removes on the lead screw, set up the main oilhole that sets up along its length direction on the lead screw, set up a plurality ofly on the lead screw and main oilhole intercommunication be used for spouting a oilhole of lubricating oil to the lead screw surface. The utility model has the advantages that: the intraductal packing of cover has lubricating oil, guarantees the lead screw surface and contacts with lubricating oil all the time for the staff needn't maintain the lead screw at regular intervals, avoids because of workman's carelessness, forgets to screw interpolation lubricating oil, and makes the lead screw during operation the condition of dry friction appear.

Description

Feeding device of numerical control lathe

Technical Field

The utility model belongs to the technical field of the lathe processing equipment, concretely relates to numerical control lathe feeding device.

Background

The lathe is a machine tool for turning a rotating workpiece by mainly using a lathe tool, corresponding processing can be performed on the lathe tool by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like, and the tool is moved by a feed mechanism, so that the rotating workpiece is processed.

The feed mechanism of current lathe cutter passes through the lead screw drive for step motor usually to the screw pitch of step motor's pivoted angle cooperation lead screw realizes the progress displacement of cutter, but in the actual work process, needs in time to carry out moist thoughtlessly to the lead screw, avoids the lead screw transmission in-process, and the precision that the dry friction appears and causes the lead screw receives destruction, guarantees the processingquality of lathe.

When the existing lathe lubricates the screw, generally, a worker regularly maintains and maintains each part of the lathe and adds lubricating oil to the part needing lubrication in time, but due to carelessness of the work, the situation that the worker forgets to add the lubricating oil to the screw due to carelessness of the worker often occurs, so that the screw is dry-rubbed during working, the precision of the screw is damaged, and the processing quality of the lathe is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control lathe feeding device aims at solving current lathe and makes the lead screw appear the problem of dry friction at the during operation because of staff's carelessness easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: a feed device of a numerical control lathe comprises a feed box, wherein a lead screw is rotationally connected in the feed box, a connecting block used for driving a tool rest to move is connected onto the lead screw, a main oil hole arranged along the length direction of the lead screw is formed in the lead screw, and a plurality of branch oil holes communicated with the main oil hole and used for injecting lubricating oil to the outer surface of the lead screw are formed in the lead screw.

In order to make this numerical control lathe feeding device can be better remain the lubricating oil on the lead screw, conduct the utility model relates to an it is preferred, be equipped with the sleeve pipe of suit in the lead screw outside on the connecting block, lubricating oil loads between sleeve pipe and lead screw.

In order to make the cutter among this numerical control lathe feeding device when removing, the sleeve pipe can not influence the connecting block and move on the lead screw, as the utility model relates to an it is preferable, the holding tank has been seted up on the connecting block, the sleeve pipe can contract and collapsible to in the holding tank.

Specifically, the sleeve pipe comprises a plurality of nested pipes, one end of the sleeve pipe is fixedly connected with the inner wall of the containing groove, and the other end of the sleeve pipe is fixedly connected with the inner wall of the feeding box.

In order to make this numerical control lathe feeding device can guarantee the leakproofness in the space between sleeve pipe and the lead screw, as the utility model relates to an it is preferred, the connecting block is equipped with sealing element respectively with the both ends of lead screw threaded connection department.

In order to make this kind of numerical control lathe feeding device can provide lubricating oil to the space between sleeve pipe and the lead screw automatically, as the utility model relates to an it is preferred, the one end of feed box is equipped with the batch oil tank, the one end of lead screw is rotated and is connected with the oil pipe that stretches into in the batch oil tank.

In order to make this numerical control lathe feeding device can get into through the pipeline of difference, be convenient for clear up lubricating oil, guarantee the clean of lubricating oil, conduct the utility model relates to an it is preferred, oil pipe includes the oil pipe that advances who is connected by the three-way pipe and returns oil pipe.

Specifically, the oil inlet pipe is internally provided with a first one-way valve with an opening facing the main oil pipe, and the oil return pipe is internally provided with a second one-way valve with an opening facing the oil storage tank.

In order to make this numerical control lathe feeding device can clear up lubricating oil, guarantee the clean of lubricating oil, conduct the utility model relates to an it is preferred, be equipped with filter equipment in the batch oil tank, advance oil pipe and filter equipment intercommunication, it runs through filter equipment to return oil pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the screw rod works, lubricating oil can be added to the outer surface of the screw rod through the main oil hole and the branch oil hole, so that sufficient lubricating oil is ensured to be arranged on the outer surface of the screw rod, the phenomenon that the outer surface of the screw rod is too dry and dry to rub when the screw rod works is avoided, threads on the screw rod are damaged, and the machining precision of a lathe is ensured;

2. the intraductal encapsulation of cover has lubricating oil, guarantees the lead screw surface all the time with lubricating oil contact for the staff needn't maintain the lead screw at regular intervals, avoids forgetting to lead screw additive lubricating oil because of workman's carelessness, and makes the lead screw during operation the condition that dry friction appears, has still reduced the staff simultaneously and has regularly carried out the trouble of maintaining to the lead screw, makes the staff more light convenient when using the lathe.

3. An airtight cavity is formed between the sleeve and the lead screw, so that the moving block can suck lubricating oil through the main oil hole and the branch oil hole in the moving process, the lubricating oil in the sleeve is replaced, the cleanness of the lubricating oil in contact with the lead screw is ensured, and the damage of impurities in the lubricating oil to the lead screw is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic view of a full-section main view of an embodiment of the present invention;

FIG. 3 is a schematic right side view of the oil reservoir in accordance with an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of the schematic full-section front view of the embodiment of the present invention;

fig. 5 is an enlarged view of the part B in the schematic view of the right side of the full-section of the oil storage tank according to the embodiment of the present invention.

In the figure: 1. a feed box; 2. a lead screw; 3. connecting blocks; 4. a main oil hole; 5. a branch oil hole; 6. a sleeve; 7. lubricating oil; 8. accommodating a tank; 9. a sealing element; 10. an oil storage tank; 11. an oil pipe; 12. an oil inlet pipe; 13. an oil return pipe; 14. a first check valve; 15. a second check valve; 16. and (4) a filtering device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a feeding device of a numerical control lathe comprises a feeding box 1, a lead screw 2 is rotationally connected in the feeding box 1, a connecting block 3 used for driving a tool rest to move is connected onto the lead screw 2, a main oil hole 4 formed in the lead screw 2 along the length direction of the lead screw is formed in the lead screw 2, and a plurality of oil supporting holes 5 communicated with the main oil hole 4 and used for injecting lubricating oil 7 to the outer surface of the lead screw 2 are formed in the lead screw 2.

The utility model discloses an in the concrete embodiment, lead screw 2 can be through main oilhole 4 and branch oil hole 5 to lead screw 2's surface interpolation lubricating oil 7 at the during operation, guarantees to have sufficient lubricating oil 7 on lead screw 2's the surface, avoids lead screw 2 during operation, and the dry friction's condition emergence appears in its surface too dry and astringent, causes the damage to the screw thread on lead screw 2, guarantees the machining precision of lathe.

Further, a sleeve 6 sleeved on the outer side of the lead screw 2 is arranged on the connecting block 3, and the lubricating oil 7 is filled between the sleeve 6 and the lead screw 2; the interior encapsulation of sleeve 6 has lubricating oil 7, guarantee that 2 surfaces of lead screw contact with lubricating oil 7 all the time, frictional force when reducing between lead screw 2 and the connecting block 3 and carrying out the transmission, and can both hang down lead screw 2 at every moment and lubricate, make the staff needn't maintain lead screw 2 at regular intervals, avoid because of workman's negligence, forget and add lubricating oil 7 to lead screw 2, and make the condition of dry friction appear in lead screw 2 during operation, the while has still reduced the staff and has regularly maintained the trouble of lead screw 2, make the staff more light convenient when using the lathe.

Furthermore, an accommodating groove 8 is formed in the connecting block 3, and the sleeve 6 can be stretched and contracted into the accommodating groove 8; lead screw 2 rotates for connecting block 3 when leading screw 2 goes up the removal, sleeve pipe 6 can stretch out and draw back, and collapsible holding tank 8 can guarantee that connecting block 3 can not cause the influence to its removal when removing, and the smooth and easy of guaranteeing connecting block 3 removal.

Specifically, the sleeve 6 is composed of a plurality of mutually nested circular tubes, one end of the sleeve 6 is fixedly connected with the inner wall of the accommodating groove 8, and the other end of the sleeve 6 is fixedly connected with the inner wall of the feeding box 1.

Furthermore, two ends of the threaded connection part of the connecting block 3 and the lead screw 2 are respectively provided with a sealing element 9; guarantee the leakproofness in the space between sleeve pipe 6 and the lead screw 2, because sleeve pipe 6 is all installed to the both sides of connecting block 3, so make the movable block at the in-process that removes, the pressure of lubricating oil 7 increases in the sleeve pipe 6 of its one side, discharge lubricating oil 7 wherein through branch oilhole 5, lubricating oil 7 pressure in its opposite side sleeve pipe 6 reduces, inhale lubricating oil 7 through main oilhole 4 in the sleeve pipe 6, guarantee all be full of lubricating oil 7 in the sleeve pipe 6 at every moment, realize the automatic function that adds of lubricating oil 7, needn't be at manual intervention, reduce staff's intensity of labour, make staff's operation more convenient.

Preferably, the sealing element 9 is a gasket.

Further, an oil storage tank 10 is arranged at one end of the feeding tank 1, and an oil pipe 11 extending into the oil storage tank 10 is rotatably connected to one end of the lead screw 2; lubricating oil 7 in the oil storage tank 10 is injected into the main oil hole 4 through an oil pipe 11, so that the function of adding the lubricating oil 7 into the sleeve 6 is realized, and the end part of the oil pipe 11 is rotatably connected with the screw rod 2, so that the oil pipe 11 does not influence the rotation of the screw rod 2.

Further, the oil pipe 11 comprises an oil inlet pipe 12 and an oil return pipe 13 which are connected by a three-way pipe.

Specifically, a first one-way valve 14 with an opening facing the main oil pipe 11 is arranged in the oil inlet pipe 12, and a second one-way valve 15 with an opening facing the oil storage tank 10 is arranged in the oil return pipe 13; when the connecting block 3 moves and the lubricating oil 7 is pumped into the sleeve 6 through the oil pipe 11, the first one-way valve 14 in the oil inlet pipe 12 is opened, the second one-way valve 15 is closed, the lubricating oil 7 enters the sleeve 6, when the connecting block 3 moves and the lubricating oil 7 in the sleeve 6 is discharged outwards, the second one-way valve 15 in the oil return pipe 13 is opened, the first one-way valve 14 is closed, the lubricating oil 7 flows back into the oil storage tank 10 through the oil return pipe 13 to be stood and precipitated, impurities in the lubricating oil 7 are left at the bottom of the oil storage tank 10, and the cleanness of the lubricating oil 7 is guaranteed.

Further, a filtering device 16 is arranged in the oil storage tank 10, the oil inlet pipe 12 is communicated with the filtering device 16, and the oil return pipe 13 penetrates through the filtering device 16; when the oil inlet pipe 12 adds the lubricating oil 7 into the sleeve 6, the lubricating oil 7 can be cleaned by the filter tank device, impurities sucked by the oil inlet pipe 12 are filtered, and the cleanness of the lubricating oil 7 entering the sleeve 6 is further ensured.

The filter device 16 may be a filter cotton packed in a closed chamber.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The feeding device of the numerical control lathe comprises a feeding box (1), wherein a lead screw (2) is rotationally connected in the feeding box (1), and a connecting block (3) used for driving a tool rest to move is connected to the lead screw (2), and is characterized in that a main oil hole (4) arranged along the length direction of the lead screw is formed in the lead screw (2), and a plurality of oil supporting holes (5) communicated with the main oil hole (4) and used for injecting lubricating oil (7) to the outer surface of the lead screw (2) are formed in the lead screw (2).

2. A numerically controlled lathe feeder as in claim 1, wherein: be equipped with sleeve pipe (6) of suit in lead screw (2) outside on connecting block (3), lubricating oil (7) are loaded between sleeve pipe (6) and lead screw (2).

3. A numerically controlled lathe feeder as in claim 2, wherein: the connecting block (3) is provided with an accommodating groove (8), and the sleeve (6) can be contracted and retracted into the accommodating groove (8).

4. A numerically controlled lathe feeder as in claim 3, wherein: the sleeve (6) is composed of a plurality of mutually-nested circular tubes, one end of the sleeve (6) is fixedly connected with the inner wall of the accommodating groove (8), and the other end of the sleeve (6) is fixedly connected with the inner wall of the feeding box (1).

5. A numerically controlled lathe feeder as in claim 1, wherein: and sealing elements (9) are respectively arranged at two ends of the threaded connection part of the connecting block (3) and the lead screw (2).

6. A numerically controlled lathe feeder as in claim 1, wherein: one end of the feeding box (1) is provided with an oil storage box (10), and one end of the lead screw (2) is rotatably connected with an oil pipe (11) extending into the oil storage box (10).

7. A numerically controlled lathe feeder as in claim 6, wherein: the oil pipe (11) comprises an oil inlet pipe (12) and an oil return pipe (13) which are connected through a three-way pipe.

8. A numerically controlled lathe feeder as in claim 7, wherein: a first one-way valve (14) with an opening facing a main oil pipe (11) is arranged in the oil inlet pipe (12), and a second one-way valve (15) with an opening facing the oil storage tank (10) is arranged in the oil return pipe (13).

9. A numerically controlled lathe feeder as in claim 8, wherein: be equipped with filter equipment (16) in oil storage tank (10), advance oil pipe (12) and filter equipment (16) intercommunication, return oil pipe (13) and run through filter equipment (16).