CN217081302U

CN217081302U - Ball screw pair with lubricating and spraying functions

Info

Publication number: CN217081302U
Application number: CN202220798487.2U
Authority: CN
Inventors: 胡拥军; 胡玉华; 纪友根
Original assignee: Jiangsu Morality Mechanical & Electrical Technology Co ltd
Current assignee: Jiangsu Morality Mechanical & Electrical Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-29
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a vice technical field of ball discloses a from lubricated ball that sprays in area is vice, include: the outer wall of the screw rod is provided with a screw rod ball groove, the outer wall of the middle part of the screw rod is sleeved with a nut sleeve, the outer wall of one end of the nut sleeve is fixed with a convex plate, the outer wall of one side of the nut sleeve is fixed with a clamping plate, the inner wall of the nut sleeve is provided with a nut ball groove, the lower end of the nut ball groove is connected with a rotary groove, and the rotary groove is formed in the connection position of the nut sleeve and the convex plate; a shifting sheet. This from ball screw pair of taking lubricated injection is provided with the lubricating fluid box, and the lubricating fluid box is when every steel ball passes through from the plectrum, through the extrusion of steel ball to plectrum and spring, makes during gasbag compression promotes gas and gets into the lubricating fluid box through one-way pneumatic valve, makes the lubricating fluid blowout in the lubricating fluid box lubricate the silk lever outer wall, and degree of automation is higher, and the silk lever during operation need not the manual work and paints lubricating fluid.

Description

Ball screw pair with lubricating and spraying functions

Technical Field

The utility model relates to a vice technical field of ball specifically is a ball is vice from lubricated injection in area.

Background

The ball screw pair is the most reasonable product for converting rotary motion into linear motion or converting linear motion into rotary motion. The ball screw pair has extremely small starting torque, no side clearance and high rigidity, thereby having higher transmission precision. The ball screw pair has two types of external circulation and internal circulation, and the common ball screw pair is usually formed by matching a screw and a nut.

In use, a ball screw pair in the market needs manual work to brush lubricating oil on a screw lever, and when the screw lever stretches, a part of brushing tools are inconvenient to use, the lubricating oil smearing effect is poor, automatic spraying cannot be achieved, and therefore the ball screw pair with lubricating spraying is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from lubricated ball that sprays in area is vice to solve the vice in use in market that proposes in the above-mentioned background art and need artifical manual applying paint lubricating oil with a brush to the silk lever, and the partial instrument of applying paint with a brush when the silk lever stretches out and draws back is not convenient for use, and lubricating oil paints the effect relatively poor, can not realize the problem of automatic spraying.

In order to achieve the above object, the utility model provides a following technical scheme: a self-contained lubrication injection ball screw assembly comprising:

the outer wall of the screw rod is provided with a screw rod ball groove, the outer wall of the middle part of the screw rod is sleeved with a nut sleeve, the outer wall of one end of the nut sleeve is fixed with a convex plate, the outer wall of one side of the nut sleeve is fixed with a clamping plate, the inner wall of the nut sleeve is provided with a nut ball groove, the lower end of the nut ball groove is connected with a rotary groove, and the rotary groove is formed in the connection position of the nut sleeve and the convex plate;

the poking piece is embedded in the inner wall of one side, close to the clamping plate, of the rotary groove, the spring is connected to the surface of the other side of the poking piece, the other end of the spring is connected with the air bag, the other end of the air bag is connected with the one-way air valve, the other end of the one-way air valve is connected with the lubricating liquid box, the lubricating liquid box is embedded in the end, close to the clamping plate, of the nut sleeve, the upper end of the lubricating liquid box is connected with the spray head, and the spray head is embedded in the inner wall of one end of the nut sleeve.

Preferably, the screw lever penetrates through the middle parts of the nut sleeve and the clamping plate, the screw lever is in rotary connection with the nut sleeve through the lead screw ball groove and the nut ball groove, and the nut ball groove is in communication connection with the rotary groove.

Preferably, the poking sheet is elastically connected with the air bag in a telescopic mode through a spring, the air bag is communicated and connected with the spray head through the one-way air valve and the lubricating liquid box, and the spray head penetrates through the inner wall of one end of the nut sleeve.

Preferably, the lubricant cartridge is further provided with:

annotate the liquid mouth, it is connected the one end outer wall that one-way pneumatic valve was kept away from to the lubricating fluid box, the internally mounted who annotates the liquid mouth has the sealing plug, and the sealing plug inlays the dress and be in the one end outer wall of cardboard, the cardboard is close to the one end outer wall of nut cover and is fixed with the balancing weight, and the balancing weight welding is in one side outer wall of nut cover.

Preferably, the liquid injection port and the lubricating liquid box form a communication connection, the sealing plug and the liquid injection port form a threaded connection, and the sealing plug and the lubricating liquid box form a sealing structure through the liquid injection port.

Preferably, the wire lever is further provided with:

the reinforcing rib penetrates through the middle of the screw rod, and a support rod is fixed on the outer wall of the reinforcing rib.

Preferably, the reinforcing rib penetrates through the inner part of the wire lever, and the support rod is symmetrically arranged relative to the central axis of the reinforcing rib.

Compared with the prior art, the beneficial effects of the utility model are that: this from ball screw pair of taking lubricated injection is provided with the lubricating fluid box, and the lubricating fluid box is when every steel ball passes through from the plectrum, through the extrusion of steel ball to plectrum and spring, makes during gasbag compression promotes gas and gets into the lubricating fluid box through one-way pneumatic valve, makes the lubricating fluid blowout in the lubricating fluid box lubricate the silk lever outer wall, and degree of automation is higher, and the silk lever during operation need not the manual work and paints lubricating fluid.

The notes liquid mouth that sets up is convenient for the staff to pour into lubricated liquid into to the lubricated liquid box to in time supply after using a period, the sealing plug makes the lubricated liquid in the lubricated liquid box can not follow and annotates the liquid mouth and go out the exosmosis, and improves the gas tightness of lubricated liquid box.

The strengthening rib that sets up plays the reinforced (rfd) effect of support to the silk lever through being fixed branch of cross for improve the structural strength of silk lever, make the silk lever rotate when flexible in the nut cover form more stable, difficult emergence is buckled.

Drawings

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

FIG. 2 is a schematic view of a partially cut-away three-dimensional structure of the nut sleeve of the present invention;

FIG. 3 is an enlarged schematic view of a portion of the lubricating fluid container of the present invention;

fig. 4 is a schematic view of the structure of the reinforcing rib part of the present invention.

In the figure: 1. a wire lever; 2. a lead screw ball groove; 3. a nut sleeve; 4. a convex plate; 5. a balancing weight; 6. clamping a plate; 7. a nut ball groove; 8. a rotary trough; 9. a shifting sheet; 10. a spring; 11. an air bag; 12. a one-way air valve; 13. a lubricant cartridge; 14. a spray head; 15. a liquid injection port; 16. a sealing plug; 17. reinforcing ribs; 18. a support rod.

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 work belong to the protection scope of the present invention.

The present invention provides a ball screw assembly with lubrication injection by improving, please refer to fig. 1-2, including: the screw rod 1, the outer wall of the screw rod 1 is provided with a screw rod ball groove 2, the outer wall of the middle part of the screw rod 1 is sleeved with a nut sleeve 3, the outer wall of one end of the nut sleeve 3 is fixed with a convex plate 4, the outer wall of one side of the nut sleeve 3 is fixed with a clamping plate 6, the screw rod 1 penetrates through the middle parts of the nut sleeve 3 and the clamping plate 6, the outer wall of one end, close to the nut sleeve 3, of the clamping plate 6 is fixed with a balancing weight 5, the balancing weight 5 is welded on the outer wall of one side of the nut sleeve 3, the balancing weight 5 is used for balancing the mass distribution of the nut sleeve 3, so that the gravity center of the nut sleeve 3 is positioned on a central axis, and the structural stability of the nut sleeve 3 is further improved; nut ball groove 7 has been seted up to the inner wall of nut cover 3, and screw rod 1 constitutes to rotate between screw ball groove 2 and nut ball groove 7 and the nut cover 3 and is connected, the lower extreme of nut ball groove 7 is connected with revolution groove 8, and revolution groove 8 sets up in the junction of nut cover 3 and flange 4, and constitute the intercommunication between nut ball groove 7 and the revolution groove 8 and be connected, the steel ball passes through screw ball groove 2, nut ball groove 7 and revolution groove 8 and realizes the extrinsic cycle of circulation, moreover, the steam generator is simple in structure, and is widely used.

Referring to fig. 2-3, a ball screw assembly with lubrication injection comprises: a shifting sheet 9 which is embedded on the inner wall of one side of the rotary groove 8 close to the clamping plate 6, the other side surface of the shifting sheet 9 is connected with a spring 10, the other end of the spring 10 is connected with an air bag 11, the shifting sheet 9 forms elastic telescopic connection with the air bag 11 through the spring 10, the other end of the air bag 11 is connected with a one-way air valve 12, the other end of the one-way air valve 12 is connected with a lubricating liquid box 13, the lubricating liquid box 13 is embedded inside one end of the nut sleeve 3 close to the clamping plate 6, the upper end of the lubricating liquid box 13 is connected with a spray head 14, the air bag 11 forms communication connection with the spray head 14 through the one-way air valve 12 and the lubricating liquid box 13, the spray head 14 is embedded on the inner wall of one end of the nut sleeve 3, the spray head 14 penetrates through the inner wall of one end of the nut sleeve 3, the lubricating liquid box 13 is arranged, when steel balls pass through the shifting sheet 9 each time, the steel balls extrude the shifting sheet 9 and the spring 10 through the steel balls, so that the air bag 11 compresses and pushes air to enter the lubricating liquid box 13 through the one-way air valve 12, lubricating liquid in the lubricating liquid box 13 is sprayed out to lubricate the outer wall of the screw lever 1, the automation degree is high, and the screw lever 1 does not need to be manually smeared when working; annotate liquid mouth 15, its one end outer wall of keeping away from one-way pneumatic valve 12 at lubricating fluid box 13 is connected, constitute the intercommunication between notes liquid mouth 15 and the lubricating fluid box 13 and be connected, the internally mounted of annotating liquid mouth 15 has sealing plug 16, and sealing plug 16 constitutes threaded connection between annotating liquid mouth 15, sealing plug 16 inlays the dress at the one end outer wall of cardboard 6, and sealing plug 16 constitutes seal structure through annotating between liquid mouth 15 and the lubricating fluid box 13, the notes liquid mouth 15 that sets up is convenient for the staff to annotate lubricating fluid in to the lubricating fluid box 13, and in time supply after using a period, sealing plug 16 makes lubricating fluid in the lubricating fluid box 13 can not follow notes liquid mouth 15 play exosmosis, and improve the gas tightness of lubricating fluid box 13.

Referring to fig. 4, a ball screw assembly with lubrication injection comprises: the strengthening rib 17, its middle part of wearing to establish at the screw lever 1, the strengthening rib 17 runs through in the inside of screw lever 1, the outer wall of strengthening rib 17 is fixed with branch 18, and branch 18 sets up about the axis position symmetry of strengthening rib 17, the strengthening rib 17 of setting plays the reinforced effect of support through being the fixed branch 18 of cross to screw lever 1 for improve the structural strength of screw lever 1, the form is more stable when making screw lever 1 rotate in nut cover 3 and stretch out and draw back, difficult emergence is buckled.

The working principle is as follows: for the ball screw pair with self-lubricating injection, a screw lever 1 is arranged in the middle of a nut sleeve 3 in a penetrating way, a clamping plate 6 for supporting is fixed on one side of the nut sleeve 3, a plurality of adaptive steel balls capable of rolling are arranged at the joint of a screw ball groove 2 on the surface of the screw lever 1 and a nut ball groove 7 on the inner wall of the nut sleeve 3 and are used for driving the screw lever 1 to rotate and stretch in the nut sleeve 3, the steel balls can smoothly roll in the screw ball groove 2 and the nut ball groove 7 and a rotary groove 8 arranged at the joint of the lower end of the nut sleeve 3 and a convex plate 4 to realize the external circulation of the steel balls, a balancing weight 5 is welded on the outer wall of one end of the nut sleeve 3 far away from the convex plate 4 and is used for balancing the balance weight of the nut sleeve 3, so that the gravity center is kept stable, the stability of the nut sleeve 3 when in use is improved, and then when the screw lever 1 rotates in the nut sleeve 3 through the rotation of the steel balls, the steel ball can extrude the shifting piece 9 when moving at the shifting piece 9, so that the shifting piece 9 extrudes the spring 10, the air bag 11 is pushed to contract, air in the air bag 11 is injected into the lubricating liquid box 13 through the one-way air valve 12, lubricating liquid in the lubricating liquid box 13 is sprayed out from the spray head 14 under the action of air pressure, the screw lever 1 is lubricated, the frequency of pushing the shifting piece 9 by the steel ball is higher, the displacement generated by pushing the shifting piece 9 is smaller, repeated and small-amount injection of the lubricating liquid is realized, the lubricating effect is better and more uniform, finally, after the lubricating liquid in the lubricating liquid box 13 is used for a period of time, a worker can supplement the lubricating liquid into the lubricating liquid box 13 from the liquid injection port 15 by unscrewing the sealing plug 16, the operation is simple, the reinforcing rib 17 for reinforcing the structural strength of the screw lever 1 penetrates through the inner part of the screw lever 1, and the reinforcing rib 17 provides structural support for the screw lever 1 through the cross-shaped support rod 18 fixed on the outer wall, prevent the wire lever 1 from bending when rotating and stretching.

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. A ball screw pair with lubricating injection is characterized by comprising:

the screw rod type nut comprises a screw rod (1), wherein a screw rod ball groove (2) is formed in the outer wall of the screw rod (1), a nut sleeve (3) is sleeved on the outer wall of the middle of the screw rod (1), a convex plate (4) is fixed on the outer wall of one end of the nut sleeve (3), a clamping plate (6) is fixed on the outer wall of one side of the nut sleeve (3), a nut ball groove (7) is formed in the inner wall of the nut sleeve (3), the lower end of the nut ball groove (7) is connected with a rotary groove (8), and the rotary groove (8) is formed in the connection position of the nut sleeve (3) and the convex plate (4);

the poking piece (9) is embedded in the inner wall of one side, close to the clamping plate (6), of the rotary groove (8), the spring (10) is connected to the side surface of the other side of the poking piece (9), the air bag (11) is connected to the other end of the spring (10), the one-way air valve (12) is connected to the other end of the air bag (11), the lubricating liquid box (13) is connected to the other end of the one-way air valve (12), the lubricating liquid box (13) is embedded in the end, close to the clamping plate (6), of the nut sleeve (3), the spray head (14) is connected to the upper end of the lubricating liquid box (13), and the spray head (14) is embedded in the inner wall of one end of the nut sleeve (3).

2. The ball screw pair with lubricating injection as set forth in claim 1, wherein: the screw rod (1) penetrates through the middle parts of the nut sleeve (3) and the clamping plate (6), the screw rod (1) is in rotary connection with the nut sleeve (3) through the screw rod ball groove (2) and the nut ball groove (7), and the nut ball groove (7) is in communication connection with the rotary groove (8).

3. The ball screw pair with lubricating injection as set forth in claim 1, wherein: the poking piece (9) is elastically connected with the air bag (11) in a telescopic mode through the spring (10), the air bag (11) is communicated and connected with the spray head (14) through the one-way air valve (12) and the lubricating liquid box (13), and the spray head (14) penetrates through the inner wall of one end of the nut sleeve (3).

4. The ball screw pair with lubricating injection as set forth in claim 1, wherein: the lubricating fluid box (13) is further provided with:

annotate liquid mouth (15), it is connected the one end outer wall that one-way pneumatic valve (12) was kept away from in lubricating fluid box (13), the internally mounted of annotating liquid mouth (15) has sealing plug (16), and sealing plug (16) inlays the dress and is in the one end outer wall of cardboard (6), cardboard (6) are close to the one end outer wall of nut cover (3) and are fixed with balancing weight (5), and balancing weight (5) welding is in one side outer wall of nut cover (3).

5. The ball screw pair with lubricating injection as set forth in claim 4, wherein: the liquid injection port (15) is communicated with the lubricating liquid box (13), the sealing plug (16) is in threaded connection with the liquid injection port (15), and the sealing plug (16) forms a sealing structure with the lubricating liquid box (13) through the liquid injection port (15).

6. The ball screw pair with lubricating injection as set forth in claim 1, wherein: the screw lever (1) is further provided with:

the reinforcing rib (17) penetrates through the middle of the wire lever (1), and a support rod (18) is fixed to the outer wall of the reinforcing rib (17).

7. The ball screw pair with lubrication injection according to claim 6, wherein: the reinforcing ribs (17) penetrate through the inner portion of the screw rod (1), and the supporting rods (18) are symmetrically arranged relative to the central axis of the reinforcing ribs (17).