CN219549515U

CN219549515U - Insertion ball screw

Info

Publication number: CN219549515U
Application number: CN202222886109.2U
Authority: CN
Inventors: 施建卫; 方晖; 倪菊; 张海兵
Original assignee: Qidong Xianhe Screw Manufacturing Co ltd
Current assignee: Qidong Xianhe Screw Manufacturing Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-08-18
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of ball screws, in particular to an inserting type ball screw which comprises a nut pair, wherein a component group is arranged on the side face of the nut pair and used for changing the lead of a ball in the nut pair, the component group comprises a ball guiding pipe, an oil guiding pipe is arranged on one side of the ball guiding pipe, a sealing inserting sheet is arranged on one side, far away from the ball guiding pipe, of the oil guiding pipe, and a connecting block is arranged outside the sealing inserting sheet. According to the novel design of the structure, the abradable time of the ball is prolonged, and lubricating oil can be injected into the ball groove at any time, so that the purpose of prolonging the service life of the whole screw is achieved.

Description

Insertion ball screw

Technical Field

The utility model relates to the technical field of ball screws, in particular to an insert type ball screw.

Background

Ball screws are ideal products for converting rotary motion to linear motion, or vice versa. Ball screws are the most commonly used transmission elements in machine tools and precision machines, so it is known that current ball screws substantially meet the needs of people, but some problems still remain.

In the present ball, the ball groove is unable to hold more balls under the condition that does not change nut pair length, in actual use, the ball can warp the problem that frictional force is big or can't be used when leading to the lead screw to remove through long-time wearing and tearing, and present ball uses under the circumstances that dust is big and the environment is abominable, and the dust can block inside ball, and the material in the abominable environment can corrode the lead screw structure, causes whole lead screw life to descend, consequently need insert type ball to solve above-mentioned problem.

Disclosure of Invention

In order to overcome the technical problems described above, the present utility model is directed to providing a male-type ball screw, which solves the problems of ball wear and incapability of long-term use under dust and severe environments as set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the inserted ball screw comprises a main body component group, wherein the main body component group comprises a screw, a ball is arranged outside the screw, the screw is connected with a nut pair through the ball, a component group is arranged on the side surface of the nut pair, the component group is used for changing the lead of the ball in the nut pair, the component group comprises a ball guide pipe, an oil guide pipe is arranged on one side of the ball guide pipe, a sealing insert piece is arranged on one side, far away from the ball guide pipe, of the oil guide pipe, and a connecting block is arranged outside the sealing insert piece; the outside of main part group is provided with dustproof part group, dustproof part group is used for helping main part group to block outside dust and impurity.

Preferably: the ball guiding tube comprises a ball guiding tube left end, one side of the ball guiding tube left end is provided with a ball guiding right end, the ball guiding tube is connected with a ball groove in the nut pair through the ball guiding tube left end and the ball guiding right end, the ball guiding tube is of a hollow structure, and a hollow part of the ball guiding tube is mutually communicated with a ball groove cavity of the nut pair.

Preferably: the oil guide pipes are provided with two groups, the two groups of oil guide pipes are arranged on one side of the bead guide pipe, one ends of the two groups of oil guide pipes are connected with the bead guide pipe, the oil guide pipes are of hollow structures, and the hollow structures are communicated with the inside of the bead guide pipe.

Preferably: the oil guide pipe is provided with a groove at a position corresponding to the sealing insert, the oil guide pipe is contacted with the sealing insert through the groove, and the connecting block is connected to the outer wall of the nut pair.

Preferably: the connecting block is provided with the spout in the position that corresponds sealed inserted sheet, and sealed inserted sheet and connecting block pass through the spout and connect, the connecting block is provided with the groove in the position that corresponds oil pipe and leads the pearl pipe, and the connecting block passes through the groove connection and leads oil pipe and leads the pearl pipe.

Preferably: the dustproof part group comprises a top frame, a connecting rod is arranged in the top frame, a first connecting plate is arranged at the top of the connecting block, a second connecting plate is arranged at the top of the top frame, a telescopic corrugated cover is arranged on the side face of the second connecting plate, and a dustproof shell is arranged outside the connecting block.

Preferably: the dustproof component sets are provided with two groups, the two groups of dustproof component sets are symmetrically arranged on two sides of the connecting block, the top end frame is provided with bearings at positions corresponding to the screw rods, the top end frame is connected with the screw rods through the bearings, and the connecting rod is connected between the two groups of top end frames.

Preferably: the bottom of first connecting plate is connected with the top of connecting block, the bottom of second connecting plate is connected with the top of top frame, flexible ripple cover connects between second connecting plate and flexible ripple cover, the dirt proof boot is connected between two sets of top frames.

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

1. the inserted sheet type ball screw is provided with a component group, in the existing ball screw, the ball groove cannot accommodate more balls under the condition that the length of a nut pair is not changed, in actual use, the balls are worn for a long time, so that the friction force is large or the balls cannot be used when the screw moves due to deformation, the corresponding designed component group is provided with an extended guide rail travel of the ball groove through the ball guide pipe, so that the capacity of the balls is increased, the purpose of prolonging the abradable time of the balls is achieved by increasing the quantity of the balls, the design of the inserted sheet and the oil guide pipe is realized, the problem that the lubricating oil can not be added at any time in the existing ball screw is solved, the integral oil guide pipe can be sealed when the lubricating oil is not injected, external impurities are prevented from entering the ball guide pipe and the nut pair, and the component group is provided with a novel structure, so that the abradable time of the balls is prolonged, and the lubricating oil can be injected into the ball groove at any time, so that the purpose of prolonging the service life of the integral screw is achieved;

2. this inserted sheet formula ball is provided with dustproof part group, and present ball uses under the big and abominable environment of dust, the dust can block inside ball, and the material in the abominable environment can corrode the lead screw structure, cause whole lead screw life to descend, the dustproof part group of corresponding design, the structure through setting up is whole to cover inside with main part group, and because the nut pair can remove, the connecting block can follow the removal, on the junction surface with outside machinery, through first connecting plate, second connecting plate and flexible bellows cover, a top dustproof construction that can remove along with the nut pair, this dustproof part group can effectually block outside dust and pollution corrosion substance in the abominable environment, with this further whole life-span and application scope that promotes whole lead screw.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the component parts of the present utility model;

FIG. 3 is a schematic view of a portion of a bead tube according to the present utility model;

FIG. 4 is a schematic view of the dust assembly part of the present utility model;

fig. 5 is a schematic diagram of the overall explosive structure of the present utility model.

In the figure: 01. a main body component group; 11. a screw; 12. a nut pair; 02. a component group; 21. a bead guide tube; 211. the left end of the bead tube; 212. the right end of the guide bead; 22. an oil guide pipe; 23. sealing insert; 24. a connecting block; 03. a dust-proof member group; 31. a top end frame; 32. a connecting rod; 33. a first connection plate; 34. a second connecting plate; 35. a telescopic bellows; 36. a dust-proof shell.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the inserted ball screw comprises a main body component group 01, wherein the main body component group 01 comprises a screw 11, a ball is arranged outside the screw 11, the screw 11 is connected with a nut pair 12 through the ball, a component group 02 is arranged on the side surface of the nut pair 12, the component group 02 is used for changing the lead of the ball in the nut pair 12, the component group 02 comprises a ball guide pipe 21, an oil guide pipe 22 is arranged on one side of the ball guide pipe 21, a sealing insert piece 23 is arranged on one side, far away from the ball guide pipe 21, of the oil guide pipe 22, and a connecting block 24 is arranged outside the sealing insert piece 23; the outside of the body part group 01 is provided with a dust-proof part group 03, and the dust-proof part group 03 is used to help the body part group 01 block dust and foreign substances from the outside.

The ball guiding tube 21 comprises a ball guiding tube left end 211, a ball guiding right end 212 is arranged on one side of the ball guiding tube left end 211, the ball guiding tube 21 is connected with a ball groove in the nut pair 12 through the ball guiding tube left end 211 and the ball guiding right end 212, the ball guiding tube 21 is of a hollow structure, and a hollow part of the ball guiding tube 21 is communicated with a ball groove cavity of the nut pair 12.

The oil guide pipes 22 are provided with two groups, the two groups of oil guide pipes 22 are arranged on one side of the bead guide pipe 21, one ends of the two groups of oil guide pipes 22 are connected to the bead guide pipe 21, the oil guide pipes 22 are of hollow structures, and the hollow structures are communicated with the inside of the bead guide pipe 21.

The oil guide pipe 22 is provided with a groove at a position corresponding to the sealing insert piece 23, and the oil guide pipe 22 and the sealing insert piece 23 are contacted through the groove, and the connecting block 24 is connected to the outer wall of the nut pair 12.

The connecting block 24 is provided with a chute at a position corresponding to the sealing insert piece 23, and the sealing insert piece 23 and the connecting block 24 are connected through the chute, the connecting block 24 is provided with a slot at a position corresponding to the oil guide pipe 22 and the bead guide pipe 21, and the connecting block 24 is connected with the oil guide pipe 22 and the bead guide pipe 21 through the slot.

The dustproof member group 03 includes a top frame 31, a connecting rod 32 is provided in the top frame 31, a first connecting plate 33 is provided at the top of the connecting block 24, a second connecting plate 34 is provided at the top of the top frame 31, a bellows 35 is provided on the side of the second connecting plate 34, and a dustproof case 36 is provided outside the connecting block 24.

The dust-proof component groups 03 are provided with two groups, and the two groups of dust-proof component groups 03 are symmetrically disposed on both sides of the connection block 24, the top end frame 31 is provided with bearings at positions corresponding to the screws 11, and the top end frame 31 and the screws 11 are connected through bearings, and the connection rod 32 is connected between the two groups of top end frames 31.

The bottom of the first connecting plate 33 is connected with the top of the connecting block 24, the bottom of the second connecting plate 34 is connected with the top of the top end frame 31, the telescopic bellows cover 35 is connected between the second connecting plate 34 and the telescopic bellows cover 35, and the dust-proof shell 36 is connected between the two sets of top end frames 31.

Working principle: in the present ball screw, the ball groove is unable to hold more balls under the condition that does not change nut pair length, in actual use, the ball can warp the problem that frictional force is big or can't use when leading to the lead screw to remove through long-time wearing and tearing, corresponding design's part group 02, the guide rail stroke in the ball groove of extension has been had through leading ball pipe 21, thereby increase the capacity of ball, the purpose of extension ball abradable time through increasing the ball volume, and seal insert piece 23 and lead the design of oil pipe 22, can pour into lubricating oil into ball pipe 21 through leading oil pipe 22, the condition that current ball screw can't add lubricating oil at any time into, seal insert piece 23 can seal whole leading oil pipe 22 when not pouring into lubricating oil into, prevent that outside impurity from entering into in ball pipe 21 and the nut pair 12, this part group 02, through the novel design of structure, make the abradable time of ball obtain extension, can also pour into lubricating oil into ball groove at any time, with this purpose of promoting whole screw life. The ball screw at present uses under the big and abominable environment of dust, the dust can block inside ball, and the material in the abominable environment can corrode the lead screw structure, cause whole lead screw life to descend, the dustproof part group 03 of corresponding design, the whole cover of main part group 01 is inside through the structure that sets up, and because nut pair 12 can remove, connecting block 24 can follow the removal, on the junction surface with outside machinery, through first connecting plate 33, second connecting plate 34 and bellows cover 35 have formed a top dustproof construction that can remove along with nut pair 12, and the pollution and corrosion material in this dustproof part group 03 can effectually block outside dust and the abominable environment, thereby further promote whole life-span and application scope of whole lead screw.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. Insert formula ball, including main part group (01), main part group (01) are including screw rod (11), the outside of screw rod (11) is provided with the ball, screw rod (11) are connected its characterized in that through ball and nut pair (12):

the side of the nut pair (12) is provided with a component group (02), the component group (02) is used for changing the lead of the ball in the nut pair (12), the component group (02) comprises a ball guide pipe (21), one side of the ball guide pipe (21) is provided with an oil guide pipe (22), one side of the oil guide pipe (22) far away from the ball guide pipe (21) is provided with a sealing insert piece (23), and the outer part of the sealing insert piece (23) is provided with a connecting block (24);

the outside of the main body part group (01) is provided with a dustproof part group (03), and the dustproof part group (03) is used for helping the main body part group (01) to block dust and impurities outside.

2. The insert ball screw according to claim 1, wherein: the ball guiding tube (21) comprises a ball guiding tube left end (211), one side of the ball guiding tube left end (211) is provided with a ball guiding right end (212), the ball guiding tube (21) is connected with a ball groove in the nut pair (12) through the ball guiding tube left end (211) and the ball guiding right end (212), the ball guiding tube (21) is of a hollow structure, and a hollow part of the ball guiding tube (21) is mutually communicated with a ball groove cavity of the nut pair (12).

3. The insert ball screw according to claim 1, wherein: the oil guide pipes (22) are provided with two groups, the two groups of oil guide pipes (22) are arranged on one side of the bead guide pipe (21), one ends of the two groups of oil guide pipes (22) are connected with the bead guide pipe (21), the oil guide pipes (22) are of hollow structures, and the hollow structures are communicated with the inside of the bead guide pipe (21).

4. The insert ball screw according to claim 1, wherein: the oil guide pipe (22) is provided with a groove at a position corresponding to the sealing insert sheet (23), the oil guide pipe (22) is contacted with the sealing insert sheet (23) through the groove, and the connecting block (24) is connected to the outer wall of the nut pair (12).

5. The insert ball screw according to claim 1, wherein: the connecting block (24) is provided with a chute at the position corresponding to the sealing insert (23), the sealing insert (23) is connected with the connecting block (24) through the chute, the connecting block (24) is provided with a groove at the position corresponding to the oil guide pipe (22) and the bead guide pipe (21), and the connecting block (24) is connected with the oil guide pipe (22) and the bead guide pipe (21) through the groove.

6. The insert ball screw according to claim 1, wherein: the dustproof component group (03) comprises a top end frame (31), a connecting rod (32) is arranged in the top end frame (31), a first connecting plate (33) is arranged at the top of the connecting block (24), a second connecting plate (34) is arranged at the top of the top end frame (31), a telescopic corrugated cover (35) is arranged on the side face of the second connecting plate (34), and a dustproof shell (36) is arranged outside the connecting block (24).

7. The insert ball screw according to claim 6, wherein: the dustproof component sets (03) are provided with two groups, the two groups of dustproof component sets (03) are symmetrically arranged on two sides of the connecting block (24), the top end frame (31) is provided with bearings at positions corresponding to the screw rods (11), the top end frame (31) and the screw rods (11) are connected through the bearings, and the connecting rod (32) is connected between the two groups of top end frames (31).

8. The insert ball screw according to claim 6, wherein: the bottom of first connecting plate (33) is connected with the top of connecting block (24), the bottom of second connecting plate (34) is connected with the top of top frame (31), flexible ripple cover (35) are connected between second connecting plate (34) and flexible ripple cover (35), dirt proof boot (36) are connected between two sets of top frames (31).