CN110170882B

CN110170882B - Numerical control lathe lead screw cooling protection device

Info

Publication number: CN110170882B
Application number: CN201910629981.9A
Authority: CN
Inventors: 夏德亮
Original assignee: Yueqing Xuyao Technology Co Ltd
Current assignee: Golden Stone Drilling Tangshan Ltd By Share Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-10-09
Anticipated expiration: 2039-07-12
Also published as: CN110170882A

Abstract

The invention discloses a numerical control lathe lead screw cooling protection device which comprises a motor base, wherein one side of the motor base is provided with a bearing seat, the bearing seat is rotatably connected with the motor base through a lead screw, the lead screw is horizontally arranged, the lead screw is arranged outside the center of the lead screw in a surrounding manner, one side of the lead screw close to the bearing seat is horizontally and fixedly connected with a first protection sleeve, one side of the lead screw close to the motor base is horizontally and fixedly connected with a second protection sleeve, the top of one side of the motor base close to the second protection sleeve is vertically provided with a liquid inlet pipe, the inside of the first protection sleeve is provided with a lead screw radiating pipe in a surrounding manner, two ends of the first protection sleeve and the second protection sleeve are vertically and fixedly connected with connecting rings, and straight pipes are horizontally arranged inside. The invention can effectively cool the screw rod of the numerical control equipment, and can also protect the surface of the screw rod to prevent dregs from entering.

Description

Numerical control lathe lead screw cooling protection device

Technical Field

The invention relates to the technical field of numerical control lathes, in particular to a screw rod cooling protection device of a numerical control lathe.

Background

A numerically controlled machine tool is an automated machine tool equipped with a program control system, such a high precision machine tool is often used for machining of precision machines, and with the progress of industrialization, the numerically controlled machine tool has become an indispensable part in the mechanical field, and on the numerically controlled machine tool, the movement of a workpiece is generally performed using a screw structure.

In the chinese patent No. 201810865482.5, a numerically controlled machine tool screw is disclosed, which is characterized in that the oil delivery shaft cavities arranged on both sides and the screw rod with a through hole in the center are matched with each other to allow liquid to pass through the inside of the screw rod, and the screw rod is cooled when in operation, so as to achieve the effect of prolonging the service life of the screw rod, but the structure is not stable enough, although an oil seal is arranged, a moving space is certainly existed when the screw rod rotates, the sealing of the liquid inside cannot be well ensured, the surface of the screw rod can be polluted once leakage occurs, the normal use is affected, and the through hole arranged inside the screw rod can certainly affect the strength of the screw rod, when the hole is too small, the cooling effect is poor, when the hole is too large, the strength of the screw rod is reduced, the screw rod is easy to break, and the screw rod is not a common structure in the market, and once the screw rod is damaged, the, affecting the production of the machine.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a numerical control lathe screw rod cooling protection device which has the advantages of reducing the working temperature of a screw rod and preventing dregs from being polluted, and solves the problems that the traditional screw rod is too high in temperature and easy to damage.

(II) technical scheme

In order to achieve the purposes of reducing the working temperature and preventing the pollution of the slag, the invention provides the following technical scheme: a cooling protection device for a screw rod of a numerical control lathe comprises a motor base, wherein one side of the motor base is provided with a bearing seat, the bearing seat is rotatably connected with the motor base through the screw rod, the screw rod is horizontally arranged, the screw rod is arranged outside the center of the screw rod in a surrounding manner, one side of the screw rod close to the bearing seat is horizontally and fixedly connected with a first protection sleeve, one side of the screw rod close to the motor base is horizontally and fixedly connected with a second protection sleeve, the top of one side of the motor base close to the second protection sleeve is vertically provided with a liquid inlet pipe, the inside of the first protection sleeve is provided with screw rod cooling pipes in a surrounding manner, two ends of the first protection sleeve and the second protection sleeve are both vertically and fixedly connected with connecting rings, the inside of the connecting rings is horizontally provided with straight pipes, and two ends of the screw rod cooling pipes are, the motor cabinet, the bearing seat and the side wall of the lead screw close to the straight pipe are all provided with grooves, and rubber sealing rings are fixedly connected inside the grooves.

Preferably, the bearing frame is made by connecting two semicircular iron blocks, the inside of bearing frame is the level and encircles and is provided with the bearing cooling tube, the one end that the lead screw was kept away from to the bearing cooling tube is provided with the drain pipe, the drain pipe runs through the lateral wall and the outside intercommunication each other of bearing frame, the one end that the bearing cooling tube is close to the lead screw communicates with the inside recess of bearing frame each other, and the outside radiator fan that can connect of drain pipe cools down to the coolant liquid after rising the temperature, and the coolant liquid after the cooling passes through the water pump and gets into the feed liquor pipe once more to form a circulation.

Preferably, the inside center of lead screw is provided with the circular port, the surface that the circular port is close to the lead screw is to encircle and is provided with a plurality of balls, and ball and lead screw roll connection, communicate through the connecting pipe between two inside recesses of lead screw, the connecting pipe is the level setting, the straight tube respectively with the inside rubber seal fixed connection of lead screw both sides recess for the liquid of both sides can communicate each other, and can also absorb heat to inside.

Preferably, the both ends department of lead screw is cylindrical setting, the inside of bearing frame is provided with the circular recess, and the circular recess is inside to be vertical a plurality of rolling bearings that are provided with, connects through rolling bearing and reduces the looks mutual friction, and the diameter of the afterbody of lead screw reduces moreover to reduce area of contact.

Preferably, first protective sheath, second protective sheath are soft rubber and make, and the surface is and encircles concavo-convex shape, and be spring type's extending structure, the lead screw cooling tube is located the bellying by inside to the outside of first protective sheath and second protective sheath, and the volume of lead screw cooling tube is less than the inside volume of bellying, and first protective sheath and second protective sheath are similar telescopic pipe structure, inside fixedly connected with lead screw heat dissipation pipeline.

Preferably, the outside both sides surface of first protective sheath and second protective sheath all is provided with the hoop, the both sides that motor cabinet and bearing frame are located first protective sheath, second protective sheath are provided with two dead levers, the hoop on first protective sheath, second protective sheath surface all passes two dead levers, and the hoop sets up with the bellying of protective sheath, and the hoop does not have dead lever interconnect, and both have certain activity space.

Preferably, the inside of go-between is provided with the screw thread, and the go-between passes through the screw thread respectively with the lateral wall fixed connection of motor cabinet, bearing frame, lead screw, one side that first protective sheath and second protective sheath were kept away from to the go-between is provided with the gasket, the gasket is made by rubber, the tip of straight tube is cylindrically, and the surface is provided with a plurality of sealing rings.

Advantageous effects

Compared with the prior art, the invention provides a numerical control lathe screw rod cooling protection device, which has the following beneficial effects:

the device can realize that liquid passes from motor cabinet, second protective sheath, lead screw, first protective sheath, bearing frame are inside through feed liquor pipe, lead screw cooling tube, bearing cooling tube, drain pipe intercombination to take away their inside because the produced heat of rotation, make these devices carry out the during operation temperature remain stable.

The device through first protective sheath and second protective sheath intercombination, can realize all encirclements to the surface of lead screw to at the during operation, the lead screw surface can not be infected with because of the tiny dregs that the cutting produced, guarantees cleanly, thereby improves life, and because the protective sheath does not contact with the lead screw body, so have very strong application scope, the lead screw of adaptable different diameters.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a structural bearing housing of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a cross-sectional view of a lead screw in accordance with the present invention.

In the figure: 1. a motor base; 2. a bearing seat; 3. a screw rod; 4. a lead screw; 5. a first protective sheath; 6. a second protective cover; 7. a liquid inlet pipe; 8. a screw rod radiating pipe; 9. a connecting ring; 10. a straight pipe; 11. A rubber seal ring; 12. a bearing radiating pipe; 13. a liquid outlet pipe; 14. a rotating bearing; 15. a ball bearing; 16. A connecting pipe; 17. fixing the rod; 18. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a temperature-reducing protection device for a screw rod of a numerical control lathe comprises a motor base 1, a bearing seat 2 is arranged on one side of the motor base 1, the bearing seat 2 is rotatably connected with the motor base 1 through a screw rod 3, the screw rod 3 is horizontally arranged, a screw rod 4 is arranged around the outside of the center of the screw rod 3, one side of the screw rod 4 close to the bearing seat 2 is horizontally and fixedly connected with a first protection sleeve 5, one side of the screw rod 4 close to the motor base 1 is horizontally and fixedly connected with a second protection sleeve 6, a liquid inlet pipe 7 is vertically arranged at the top of one side of the motor base 1 close to the second protection sleeve 6, a screw rod heat-radiating pipe 8 is arranged around the inside of the first protection sleeve 5, two ends of the first protection sleeve 5 and the second protection sleeve 6 are both vertically and fixedly connected with a connecting ring 9, a straight pipe 10 is horizontally arranged inside the connecting ring 9, two ends of the screw, the motor cabinet 1, the bearing seat 2, the lateral wall that lead screw 4 is close to straight tube 10 all are provided with the recess, the inside equal fixedly connected with rubber seal 11 of recess.

Bearing frame 2 is made by two semicircular iron blocks connections, the inside of bearing frame 2 is the level and encircles and be provided with bearing cooling tube 12, the one end that lead screw 3 was kept away from to bearing cooling tube 12 is provided with drain pipe 13, drain pipe 13 runs through the lateral wall and the outside intercommunication each other of bearing frame 2, bearing cooling tube 12 is close to the one end of lead screw 3 and the inside recess of bearing frame 2 and communicates each other, can dispel the heat to the inside of bearing frame, prevent to produce too high temperature because the bearing rotates, guarantee the temperature stability of equipment.

The inside center of lead screw 4 is provided with the circular port, the circular port is close to the surface of lead screw 3 and is encircleed and is provided with a plurality of balls 15, and

ball

15 and 3 roll connection of lead screw, communicate through connecting pipe 16 between 4 inside two recesses of lead screw, connecting pipe 16 is the level setting, straight tube 10 respectively with 11 fixed connection of the inside rubber seal of 4 both sides recesses of lead screw, guarantee inside leakproofness, prevent the coolant liquid seepage flow, and can make things convenient for the business turn over of liquid at the inside runner that runs through of whole device in addition.

The both ends department of lead screw 3 is cylindrical setting, and the inside of bearing frame 2 is provided with the circular recess, and the circular recess is inside to be vertically provided with a plurality of rolling bearing 14, comes to form a support and fixed effect to lead screw 3 through rolling bearing 14, can not block the rotation of lead screw 3 itself.

First protective sheath 5, second protective sheath 6 are soft rubber and make, and the surface is and encircles unsmooth shape, similar spring telescopic structure, lead screw cooling tube 8 is located the bellying by inside to the outside of first protective sheath 5 with second protective sheath 6, and lead screw cooling tube 8's volume is less than the inside volume of bellying, guarantees that lead screw cooling tube 8 can be fixed in the inside of first protective sheath 5 with second protective sheath 6, and can not consequently contract and straighten moreover.

The outside both sides surface of first protective sheath 5 and second protective sheath 6 all is provided with the hoop, motor cabinet 1 is located first protective sheath 5 with bearing frame 2, the both sides of second protective sheath 6 are provided with two dead levers 17, realize the stability of whole equipment, guarantee can not produce and rock, first protective sheath 5, the hoop on second protective sheath 6 surface all passes two dead levers 17, make dead lever 17 bear hoop and apply a pulling force, guarantee the middle part of first protective sheath 5 and second protective sheath 6, the condition of tenesmus can not appear because self gravity, prevent with 3 mutual contacts of lead screw.

The connecting ring 9 is internally provided with threads, the connecting ring 9 is fixedly connected with the side walls of the motor base 1, the bearing seat 2 and the screw rod 4 through the threads, stable connection among the connecting ring 9 and the motor base can be guaranteed, the connecting ring cannot be easily scattered in motion, a gasket 18 is arranged on one side, away from the first protective sleeve 5 and the second protective sleeve 6, of the connecting ring 9, sealing performance is further guaranteed, and the phenomenon of coolant leakage at a joint cannot occur.

When the cooling device is used, the liquid inlet pipe 7 is connected to a liquid inlet, the cooling liquid is transmitted to the straight pipe 10 inside the connecting ring 9 through the liquid inlet pipe 7, the cooling liquid is transmitted to the screw rod radiating pipe 8 inside the second protective sleeve 6 through the straight pipe 10 and then transmitted to the other end of the second protective sleeve 6 to reach the connecting pipe 16 inside the screw rod 4, the cooling liquid is transmitted to the inside of the first protective sleeve 5 through the connecting pipe 16, the cooling liquid is transmitted to the groove inside the bearing seat 2 through the straight pipe 10 at the other end of the first protective sleeve 5, the cooling liquid is finally discharged through the liquid outlet pipe 13 connected with the end part of the bearing radiating pipe 12 when the cooling liquid reaches the bearing radiating pipe 12, when the cooling liquid generates a large amount of temperature due to long-time operation of the cooling liquid, the temperature of the cooling liquid is raised by the cooling liquid itself, so that the temperature, the screw rod 3 and the bearing seat 2 are surrounded by cooling liquid, heat in the environment is absorbed through the cooling liquid, the environment temperature is reduced, the temperature of the equipment is reduced along with the reduction of the temperature, the normal working temperature is recovered, the temperature of the cooling liquid is increased after the heat is absorbed, at the moment, the cooling liquid moves, the cooling liquid which absorbs heat and is heated is discharged to the outside through the liquid outlet pipe 13 to be cooled, the cooling liquid which is cooled reaches the inside of the screw rod radiating pipe 8 through the liquid inlet pipe 7 again to absorb heat generated during working, the first protective sleeve 5 and the second protective sleeve 6 are completely covered outside the screw rod 3, one of the first protective sleeve 5 and the second protective sleeve 6 surrounds the surface of the screw rod 3 all the time when the screw rod 4 is moved, and dregs generated when the machine performs cutting work can not be contacted with the screw rod 3 due to the protection of the first protective sleeve 5 and the second protective sleeve 6 Thereby guaranteed the cleanness on lead screw 3 surface, still made lead screw 4 can not produce extra resistance because of dregs when moving, guaranteed the security of production, moreover because first protective sheath 5 supports through dead lever 17 with second protective sheath 6, do not contact with lead screw 3, so can be suitable for the lead screw 3 of various sizes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control lathe lead screw cooling protection device, includes motor cabinet (1), its characterized in that: one side of the motor base (1) is provided with a bearing seat (2), the bearing seat (2) is rotatably connected with the motor base (1) through a screw rod (3), the screw rod (3) is horizontally arranged, a screw rod (4) is arranged outside the center of the screw rod (3) in a surrounding mode, one side, close to the bearing seat (2), of the screw rod (4) is horizontally and fixedly connected with a first protective sleeve (5), one side, close to the motor base (1), of the screw rod (4) is horizontally and fixedly connected with a second protective sleeve (6), the top, close to one side of the second protective sleeve (6), of the motor base (1) is vertically provided with a liquid inlet pipe (7), the inside of the first protective sleeve (5) is provided with a screw rod radiating pipe (8) in a surrounding mode, and the two ends of the first protective sleeve (5) and the second protective sleeve (6) are both vertically, the inside of go-between (9) is the level and is provided with straight tube (10), the both ends of lead screw cooling tube (8) communicate with straight tube (10) at first protective sheath (5) and second protective sheath (6) both ends each other respectively, motor cabinet (1), bearing frame (2), lead screw (4) are close to the lateral wall of straight tube (10) and all are provided with the recess, the inside equal fixedly connected with rubber seal (11) of recess.

2. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: bearing frame (2) are made by two semicircular iron blocks connection, the inside of bearing frame (2) is the level and encircles and is provided with bearing cooling tube (12), the one end that lead screw (3) were kept away from in bearing cooling tube (12) is provided with drain pipe (13), lateral wall and the outside intercommunication each other that drain pipe (13) run through bearing frame (2), the one end that bearing cooling tube (12) are close to lead screw (3) communicates with the inside recess of bearing frame (2) each other.

3. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: the inside center of lead screw (4) is provided with the circular port, the surface that the circular port is close to lead screw (3) is to encircle and is provided with a plurality of balls (15), and ball (15) and lead screw (3) roll connection, communicate through connecting pipe (16) between two inside recesses of lead screw (4), connecting pipe (16) are the level setting, straight tube (10) respectively with inside rubber seal (11) fixed connection of lead screw (4) both sides recess.

4. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: the two ends of the screw rod (3) are cylindrically arranged, a circular groove is formed in the bearing seat (2), and a plurality of rotating bearings (14) are vertically arranged in the circular groove.

5. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: first protective sheath (5), second protective sheath (6) are soft rubber and make, and the surface is and encircles concavo-convex shape, for spring type's extending structure, lead screw cooling tube (8) are located the bellying by inside outside of first protective sheath (5) and second protective sheath (6), and the volume of lead screw cooling tube (8) is less than the inside volume of bellying.

6. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: the outside both sides surface of first protective sheath (5) and second protective sheath (6) all is provided with the hoop, motor cabinet (1) and bearing frame (2) are located the both sides of first protective sheath (5), second protective sheath (6) and are provided with two dead levers (17), the hoop on first protective sheath (5), second protective sheath (6) surface all passes two dead levers (17).

7. The numerical control lathe lead screw cooling protection device of claim 1, characterized in that: the novel motor is characterized in that threads are arranged inside the connecting ring (9), the connecting ring (9) is fixedly connected with the side walls of the motor base (1), the bearing seat (2) and the lead screw (4) through the threads, and a gasket (18) is arranged on one side, away from the first protective sleeve (5) and the second protective sleeve (6), of the connecting ring (9).