CN219504300U

CN219504300U - Screw cooling structure

Info

Publication number: CN219504300U
Application number: CN202320219382.1U
Authority: CN
Inventors: 林子铭
Original assignee: Ecom Precision Machinery Co ltd
Current assignee: Ecom Precision Machinery Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-11
Anticipated expiration: 2033-02-15

Abstract

The utility model provides a screw rod cooling structure which comprises a base and a screw rod, wherein the screw rod is rotatably arranged on the base, a dustproof sleeve is sleeved on the left side of the screw rod, the dustproof sleeve is fixedly arranged on the base, a hollow pipeline which does not penetrate through the screw rod is arranged on the left side of the screw rod along the axial lead, a cooling inlet pipe is movably arranged in the hollow pipeline in a penetrating manner, the pipe diameter of the cooling inlet pipe is smaller than that of the hollow pipeline, so that cooling medium flows in from the cooling inlet pipe and flows out from a gap between the pipe wall of the cooling inlet pipe and the pipe wall of the hollow pipeline, and a liquid outlet hole which is positioned on the left side of the screw rod and used for discharging the cooling medium flowing out of the hollow pipeline is arranged on the side wall of the dustproof sleeve. According to the utility model, the cooling structure is formed in the screw rod, when cooling is needed, the cooling medium is introduced into the cooling inlet pipe, flows to the deep part of the screw rod through the cooling inlet pipe, and then flows outwards from the inner side of the hollow pipeline to take away the heat of the screw rod, so that the cooling effect is realized.

Description

Screw cooling structure

Technical Field

The utility model relates to the technical field of screw rods, in particular to a screw rod cooling structure.

Background

The screw rod transmission mechanism has the advantages of high transmission efficiency, high precision, low noise and the like, is widely applied to a processing machine tool, and is generally arranged on the machine tool in a rotating way for the screw rod to rotate, two ends of the screw rod are arranged on the machine tool in a rotating way through bearings, the screw rod nut is connected to the screw rod in a transmission way, and when the screw rod transmission mechanism works, the motor drives the screw rod to rotate at a high speed, so that the screw rod nut is driven to move. But in the high-speed pivoted in-process of lead screw, friction generates heat between lead screw and the lead screw nut, and friction generates heat between lead screw and the bearing all can lead to the lead screw temperature to rise, and the lead screw is heated and can lead to its stability to become poor, can't guarantee the running accuracy of lead screw, and then influences the machining precision of work piece.

Disclosure of Invention

The utility model aims at overcoming the defects, and provides the screw rod cooling structure with simple structure and good cooling effect.

The utility model solves the technical problems by adopting the scheme that: the utility model provides a lead screw cooling structure, includes base and lead screw, the lead screw rotates and installs on the base, and the left side cover of lead screw is equipped with the dirt proof boot, dirt proof boot fixed mounting is on the base, the left side of lead screw is equipped with along the axial lead and does not run through the hollow pipeline of lead screw, the intraductal activity of hollow pipeline wears to be equipped with the cooling and advances the pipe, just the pipe diameter of cooling advances the pipe is less than the pipe diameter of hollow pipeline to cooling medium flows into by the cooling and flows out by cooling into the clearance between pipe wall and the hollow pipeline pipe wall again, be equipped with on the dirt proof boot lateral wall and be located the left cooling medium exhaust liquid hole that is used for flowing out the hollow pipeline of lead screw.

Further, in order to prevent the cooling medium from leaking rightward into the machine tool through the first bearing; the lead screw is rotatably arranged in the dust cover through the first bearing, the liquid outlet is positioned at the left side of the first bearing, and a liquid discharge hole which is positioned at the right side of the first bearing and used for timely discharging cooling medium leaking rightward through the first bearing is further formed in the side wall of the dust cover.

Further, in order to rotationally connect the dust cover with the screw rod; the first bearing comprises two groups of deep groove ball bearings, the two groups of deep groove ball bearings are spaced apart through a spacer ring, an inner sealing ring used for being in sealing contact with the inner wall of the dust cover is arranged on the spacer ring, an oil seal is arranged between the deep groove ball bearings and the spacer ring, and C-shaped retaining rings used for limiting and installing the two groups of deep groove ball bearings are arranged on two sides of the inner wall of the dust cover, which are positioned on the two groups of deep groove ball bearings.

Further, in order to improve the tightness of the inside of the dust cover, the leakage of the cooling medium is prevented; the left side of dirt proof boot is equipped with the end cover, and the right side of dirt proof boot is connected with the gland, the left end face ring of dirt proof boot is equipped with the outer sealing washer that is used for preventing the coolant leakage with end cover sealing contact.

Further, in order to introduce a cooling medium into the cooling inlet pipe; the left end of the cooling inlet pipe is connected with an adapter, the adapter is arranged on the right end face of the end cover, the left end face of the end cover is also provided with a water inlet joint, and a water channel used for communicating the water inlet joint and the adapter is arranged in the end cover.

Further, in order to rotationally mount the screw rod on the base; the left side of lead screw is connected with the tail end seat that is located the dirt proof boot right side through the second bearing rotation, tail end seat fixed mounting is on the base, still the cover is equipped with the anticollision rubber ring that is located tail end seat right side and is used for preventing lead screw nut striking tail end seat on the lead screw, the right side of lead screw is connected with the motor seat through the third bearing rotation, motor seat fixed mounting is on the base, be equipped with the anticollision rubber piece that is used for preventing lead screw nut striking motor seat on the motor seat.

Compared with the prior art, the utility model has the following advantages: according to the utility model, a cooling structure is formed in the screw rod, in particular, a hollow pipeline which does not penetrate through the screw rod is arranged in the screw rod along the axial line direction of the screw rod, a cooling inlet pipe is movably arranged in the hollow pipeline, when cooling is needed, a cooling medium is introduced into the cooling inlet pipe, flows to the deep part of the screw rod through the cooling inlet pipe and then flows outwards from the inner side of the hollow pipeline to take away the heat of the screw rod, so that the cooling effect is realized, liquid flowing out of the hollow pipeline flows into the dust cover along the left end surface of the screw rod, and is discharged out of the dust cover through a liquid outlet arranged on the side wall of the dust cover.

Drawings

The utility model is further described below with reference to the accompanying drawings in conjunction with examples:

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

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a partial enlarged view of B in fig. 2.

In the figure: a base 1; a screw rod 2; a hollow pipe 201; a dust cover 3; a liquid outlet 301; a drain hole 302; cooling the inlet pipe 4; a first bearing 5; a spacer ring 6; an inner seal ring 7; an oil seal 8; a C-shaped clasp 9; an end cap 10; a gland 11; an outer seal ring 12; an adapter 13; a water inlet joint 14; a tail end seat 15; an anti-collision rubber ring 16; a motor base 17; and an anti-collision rubber block 18.

Detailed Description

The present utility model is described in detail below with reference to the attached drawings and specific examples of the specification:

specific examples: as shown in fig. 1-4, this embodiment provides a screw cooling structure, including base 1 and screw rod 2, screw rod 2 rotates and installs on base 1, and the left side cover of screw rod 2 is equipped with dust cover 3, dust cover 3 fixed mounting is on base 1, the left side of screw rod 2 is equipped with along the axial lead and does not run through the hollow pipeline 201 of screw rod 2, the intraductal activity of hollow pipeline 201 wears to be equipped with cooling inlet tube 4, just the pipe diameter of cooling inlet tube 4 is less than the pipe diameter of hollow pipeline 201 to the coolant flows in by cooling inlet tube 4 and flows out by the clearance between cooling inlet tube 4 pipe wall and the hollow pipeline 201 pipe wall again, be equipped with on the dust cover 3 lateral wall and be located the left liquid outlet 301 that is used for discharging the coolant that the hollow pipeline 201 flowed out of screw rod 2.

In the present embodiment, in order to prevent the cooling medium from leaking rightward into the machine tool interior via the first bearing 5; the screw rod 2 is rotatably arranged in the dust cover 3 through the first bearing 5, the liquid outlet 301 is positioned at the left side of the first bearing 5, and the side wall of the dust cover 3 is also provided with a liquid outlet 302 positioned at the right side of the first bearing 5 for timely discharging the cooling medium leaking rightward through the first bearing 5.

In this embodiment, in order to rotationally connect the dust cover 3 with the screw 2; the first bearing 5 comprises two groups of deep groove ball bearings, the two groups of deep groove ball bearings are spaced apart through a spacing ring 6, an inner sealing ring 7 used for being in sealing contact with the inner wall of the dust cover 3 is arranged on the spacing ring 6, an oil seal 8 is arranged between the deep groove ball bearings and the spacing ring 6, and C-shaped retaining rings 9 used for limiting and installing the two groups of deep groove ball bearings are arranged on two sides of the inner wall of the dust cover 3.

In the present embodiment, in order to improve the sealability inside the dust cover 3, the leakage of the cooling medium is prevented; the left side of the dustproof cover 3 is provided with an end cover 10, the right side of the dustproof cover 3 is connected with a pressing cover 11, and the left end face of the dustproof cover 3 is annularly provided with an outer sealing ring 12 which is used for being in sealing contact with the end cover 10 to prevent cooling medium leakage.

In the present embodiment, in order to introduce a cooling medium into the cooling inlet pipe 4; the left end of the cooling inlet pipe 4 is connected with an adapter 13, the adapter 13 is arranged on the right end face of the end cover 10, the left end face of the end cover 10 is also provided with an inlet joint 14, and a water channel used for communicating the inlet joint 14 and the adapter 13 is arranged in the end cover 10.

In the present embodiment, in order to rotatably mount the screw 2 on the base 1; the left side of lead screw 2 is connected with tail end seat 15 on the right side of dust cover 3 through the second bearing rotation, tail end seat 15 fixed mounting is on base 1, still the cover is equipped with on the lead screw 2 and is used for preventing that lead screw 2 nut from striking tail end seat 15's crashproof plastic ring 16 on the tail end seat 15 right side, the right side of lead screw 2 is connected with motor seat 17 through the third bearing rotation, motor seat 17 fixed mounting is on base 1, be equipped with on the motor seat 17 and be used for preventing that lead screw 2 nut from striking motor seat 17's crashproof plastic block 18.

According to the utility model, a cooling structure is formed in the screw rod 2, specifically, a hollow pipeline 201 which does not penetrate through the screw rod 2 is arranged in the screw rod 2 along the axial line direction of the screw rod 2, a cooling inlet pipe 4 is movably arranged in the hollow pipeline 201, when cooling is needed, a cooling medium is introduced into the cooling inlet pipe 4, flows to the deep part of the screw rod 2 through the cooling inlet pipe 4 and then flows outwards from the inner side of the hollow pipeline 201 to take away heat of the screw rod 2, so that a cooling effect is achieved, liquid flowing out of the hollow pipeline 201 flows into the dust cover 3 along the left end surface of the screw rod 2, and is discharged out of the dust cover 3 through a liquid outlet 301 arranged on the side wall of the dust cover 3, and in order to prevent the cooling medium on the left side of the first bearing 5 from leaking into a machine tool through the first bearing 5 due to leakage of an oil seal 8, a liquid outlet 302 arranged on the right side wall of the bearing is further arranged on the side wall of the dust cover 3 so as to timely discharge the leaked cooling medium.

The foregoing description is only exemplary embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structures or equivalent processes disclosed in the present specification and the accompanying drawings, or the direct or indirect application in other related technical fields, are all included in the scope of the present utility model.

Claims

1. A lead screw cooling structure which is characterized in that: including base and lead screw, the lead screw rotates and installs on the base, and the left side cover of lead screw is equipped with the dirt proof boot, dirt proof boot fixed mounting is on the base, the left side of lead screw is equipped with along the axial lead and does not run through the hollow pipeline of lead screw, the activity is worn to be equipped with the cooling and advances the pipe in the hollow pipeline, just the pipe diameter of cooling advances the pipe is less than the pipe diameter of hollow pipeline to cooling medium flows into by the cooling and flows out by cooling by the clearance between advance pipe wall and the hollow pipeline pipe wall again, be equipped with on the dirt proof boot lateral wall and be used for the cooling medium exhaust drain hole with the hollow pipeline outflow that is located the lead screw left.

2. The screw cooling structure according to claim 1, wherein: the lead screw is rotatably arranged in the dust cover through the first bearing, the liquid outlet is positioned at the left side of the first bearing, and a liquid discharge hole which is positioned at the right side of the first bearing and used for timely discharging cooling medium leaking rightward through the first bearing is further formed in the side wall of the dust cover.

3. The screw cooling structure according to claim 2, wherein: the first bearing comprises two groups of deep groove ball bearings, the two groups of deep groove ball bearings are spaced apart through a spacer ring, an inner sealing ring used for being in sealing contact with the inner wall of the dust cover is arranged on the spacer ring, an oil seal is arranged between the deep groove ball bearings and the spacer ring, and C-shaped retaining rings used for limiting and installing the two groups of deep groove ball bearings are arranged on two sides of the inner wall of the dust cover, which are positioned on the two groups of deep groove ball bearings.

4. The screw cooling structure according to claim 1, wherein: the left side of dirt proof boot is equipped with the end cover, and the right side of dirt proof boot is connected with the gland, the left end face ring of dirt proof boot is equipped with the outer sealing washer that is used for preventing the coolant leakage with end cover sealing contact.

5. The screw cooling structure according to claim 4, wherein: the left end of the cooling inlet pipe is connected with an adapter, the adapter is arranged on the right end face of the end cover, the left end face of the end cover is also provided with a water inlet joint, and a water channel used for communicating the water inlet joint and the adapter is arranged in the end cover.

6. The screw cooling structure according to claim 1, wherein: the left side of lead screw is connected with the tail end seat that is located the dirt proof boot right side through the second bearing rotation, tail end seat fixed mounting is on the base, still the cover is equipped with the anticollision rubber ring that is located tail end seat right side and is used for preventing lead screw nut striking tail end seat on the lead screw, the right side of lead screw is connected with the motor seat through the third bearing rotation, motor seat fixed mounting is on the base, be equipped with the anticollision rubber piece that is used for preventing lead screw nut striking motor seat on the motor seat.