CN217914282U - Screw rod auxiliary supporting mechanism - Google Patents
Screw rod auxiliary supporting mechanism Download PDFInfo
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- CN217914282U CN217914282U CN202222224051.5U CN202222224051U CN217914282U CN 217914282 U CN217914282 U CN 217914282U CN 202222224051 U CN202222224051 U CN 202222224051U CN 217914282 U CN217914282 U CN 217914282U
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- outer sleeve
- axle
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- supporting mechanism
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Abstract
The utility model discloses a lead screw auxiliary stay mechanism, including main part, outer sleeve, inner skleeve, stopper, guiding axle, axle sleeve, spring, supporting mechanism and bottom end cover, the main part is equipped with axle sleeve and supporting mechanism, the outer sleeve passes through stopper and main part and inner skleeve connection, inner skleeve and axle sleeve fixed connection, the guiding axle has been set up in the middle of the axle sleeve, reciprocal up-and-down motion is done to spring elastic fit guiding axle in the axle sleeve, the main part top is equipped with supporting mechanism, through stopper fixed connection outer sleeve, inner skleeve and main part, can let it stabilize effectual auxiliary stay effect that provides, and the spring upwards supports the axle sleeve and is supporting the bottom end cover downwards, and longer spring can provide fine elastic recovery and elastic potential energy, and longer spring provides sufficient support under the condition of workstation lead screw multiple operation, makes the lead screw be difficult for taking place to warp, postpones the life of lead screw, the machining precision of better protection lathe.
Description
Technical Field
The utility model relates to a digit control machine tool technical field specifically is lead screw auxiliary stay mechanism.
Background
The numerical control machine tool is big more because of the requirement of processing, and its effective stroke also obtains promoting more, but wherein the lead screw in the lathe stroke just needs to be longer more, and the effort that it needs to bear is just big more, and the lead screw is because of need increase the stroke, so its length and weight degree all need promote, and the long-time work of lathe can lead to the regional concave deformation that produces in lead screw middle part, influences the movement track that the lead screw drove the workstation, thereby influence the efficiency and the precision of whole machine tool processing, be unfavorable for the long-term stable operation of numerical control machine tool.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a following technical scheme: lead screw auxiliary stay mechanism, including main part, outer sleeve, inner skleeve, stopper, guiding axle, axle sleeve, spring, supporting mechanism and lower end cover, the main part is equipped with axle sleeve and supporting mechanism, the outer sleeve passes through stopper and main part and muffjoint, inner skleeve and axle sleeve fixed connection, the guiding axle has been set up in the middle of the axle sleeve, spring elastic fit guiding axle is reciprocating up-and-down motion in the axle sleeve, the main part top is equipped with supporting mechanism, the axle sleeve is established in the supporting mechanism below.
As the utility model discloses a preferred embodiment, supporting mechanism includes uide bushing, gyro wheel overcoat, antifriction bearing, gyro wheel bearing passes through the axle roll to be fixed on the uide bushing, gyro wheel bearing installs in gyro wheel overcoat one side, antifriction bearing is two.
As the preferred embodiment of the present invention, the rolling bearing includes a bearing, a plastic outer sleeve and an inner spacer, the plastic outer sleeve is provided with a bearing and an inner spacer, the inner spacer is disposed between the bearing and the bearing, and the inner spacer is disposed between the bearing and the guide sleeve.
As a preferred embodiment of the present invention, the lower end cap is screwed to the outer sleeve.
As a preferred embodiment of the present invention, the guide shaft is penetrated in the main body, the inner sleeve, the outer sleeve and the lower end cap to reciprocate up and down, and the spring abuts against the lower end cap downward against the shaft sleeve upward around the guide shaft.
As a preferred embodiment of the present invention, the outer sleeve is provided with a limiting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a lead screw auxiliary stay mechanism, through stopper fixed connection outer sleeve, inner skleeve and main part, can let it stabilize effectual auxiliary stay effect that provides, the spring upwards supports the axle sleeve and supports the lower extreme cover downwards, longer spring can provide fine elastic recovery and elastic potential energy, and longer spring provides sufficient support under the condition of workstation lead screw multiple operation, make the lead screw be difficult for taking place to warp, two plastic overcoat of wrapping up around the bearing, can effectively avoid the bearing and the direct rolling collision of its two intermetallies of lead screw, the plastic overcoat can play certain buffering and the wearing and tearing that reduce the lead screw, make the lead screw also can be stable in long-term work, delay the life of lead screw, the machining precision of better protection lathe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 isbase:Sub>A half sectional view of the left side viewbase:Sub>A-base:Sub>A of the present invention;
fig. 5 is a cross-sectional view of a front view B-B of the present invention;
fig. 6 is a top view of the present invention;
in the figure: 1. the device comprises a main body 11, a shaft sleeve 12, a supporting mechanism 121, a guide sleeve 122, a roller outer sleeve 123, a rolling bearing 1231, a bearing 1232, a plastic outer sleeve 1233, an inner spacer 124, a roller bearing 2, an outer sleeve 21, a limiting plate 3, an inner sleeve 4, a limiting block 5, a guide shaft 6, a spring 7 and a lower end cover.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the screw rod auxiliary supporting mechanism 12 comprises a main body 1, an outer sleeve 2, an inner sleeve 3, a limiting block 4, a guide shaft 5, a shaft sleeve 11, a spring 6, a supporting mechanism 12 and a lower end cover 7, wherein the main body 1 is provided with the shaft sleeve 11 and the supporting mechanism 12, the supporting mechanism 12 is used for supporting a screw rod during operation and enabling the screw rod not to deform easily, the outer sleeve 2 is connected with the main body 1 and the inner sleeve 3 through the limiting block 4, the outer sleeve 2, the inner sleeve 3 and the main body 1 are fixedly connected through the limiting block 4 and can stably and effectively provide an auxiliary supporting function, the inner sleeve 3 is fixedly connected with the shaft sleeve 11, the guide shaft 5 is arranged in the middle of the shaft sleeve 11, the spring 6 is elastically matched with the guide shaft 5 to do reciprocating up-and-down movement in the shaft sleeve 11, the supporting mechanism 12 is arranged at the top of the main body 1, the shaft sleeve 11 is arranged below the supporting mechanism 12, the supporting mechanism 12 comprises a guide sleeve 121, a roller outer sleeve 122, a rolling bearing 123, a roller bearing 1233 and a plastic inner spacer 1231 and a roller bearing 1233 are arranged between the roller bearing 1231 and a roller bearing 1233, a roller bearing 1233 are arranged in the guide sleeve 121 and a roller bearing 1233, a plastic bearing 1233 are arranged between the roller bearing 1231 and a roller bearing 1233, and a roller bearing 1233 for supporting mechanism 1233, and a roller bearing 1233 are arranged in the roller bearing 1233, the collision and abrasion between the bearing 1231 and the bearing 1231 are reduced, the inner spacer 1233 is arranged between the two bearings 1231 and the guide sleeve 121, so that the bearing 1231 can be effectively prevented from bringing collision and abrasion to the guide sleeve 121 when rolling, the stability and the durability of the support mechanism 12 are improved, the two bearings 1231 are wrapped by the plastic outer sleeve 1232, direct rolling collision between the bearing 1231 and the lead screw between two metals of the lead screw can be effectively avoided, the plastic outer sleeve 1232 can play a certain role in buffering and reducing the abrasion of the lead screw, so that the lead screw can be stable in long-term work, the outer sleeve 2 is provided with the limiting plate 21, the limiting plate 21 is used for clamping and connecting the clamping position below the lead screw of the machine tool, stable support is provided for the lead screw auxiliary support mechanism 12, the lower end cover 7 is in screw connection with the outer sleeve 2, the guide shaft 5 penetrates through the main body 1, the inner sleeve 3, the outer sleeve 2 and the lower end cover 7 to move up and down, the spring 6 upwards supports the lower end cover 11 around the guide shaft sleeve, good elastic recovery and can provide good elastic potential energy, and the long service life of the lead screw can be better and can be used for protecting the machine tool without delaying the lead screw.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Lead screw auxiliary stay mechanism, including main part, outer sleeve, inner skleeve, stopper, guiding axle, spring and bottom end cap, its characterized in that: the main part is equipped with axle sleeve and supporting mechanism, the outer sleeve passes through stopper and main part and inner skleeve connection, inner skleeve and axle sleeve fixed connection, the guiding axle has been set up in the middle of the axle sleeve, reciprocal up-and-down motion is to the spring elastic fit guiding axle in the axle sleeve, the main part top is equipped with supporting mechanism, the axle sleeve is established in the supporting mechanism below.
2. The screw assist support mechanism of claim 1, wherein: the supporting mechanism comprises a guide sleeve, a roller outer sleeve, rolling bearings and two roller bearings, wherein the roller bearings are fixed on the guide sleeve in a rolling mode through shafts, and are installed on one side of the roller outer sleeve.
3. The screw assisted support mechanism of claim 2, wherein: the rolling bearing comprises a bearing, a plastic outer sleeve and an inner spacer sleeve, wherein the bearing and the inner spacer sleeve are arranged in the plastic outer sleeve, the inner spacer sleeve is arranged between the bearing and the bearing, and the inner spacer sleeve is arranged between the bearing and the guide sleeve.
4. The screw assist support mechanism of claim 1, wherein: the lower end cover is connected with the outer sleeve through screws.
5. The screw assisted support mechanism of claim 4, wherein: the guide shaft penetrates through the main body, the inner sleeve, the outer sleeve and the lower end cover to move up and down in a reciprocating mode, and the spring is arranged around the guide shaft and upwards abuts against the shaft sleeve and downwards abuts against the lower end cover.
6. The screw assisted support mechanism of claim 1, wherein: and the outer sleeve is provided with a limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224051.5U CN217914282U (en) | 2022-08-23 | 2022-08-23 | Screw rod auxiliary supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224051.5U CN217914282U (en) | 2022-08-23 | 2022-08-23 | Screw rod auxiliary supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217914282U true CN217914282U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222224051.5U Active CN217914282U (en) | 2022-08-23 | 2022-08-23 | Screw rod auxiliary supporting mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN217914282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256010A (en) * | 2022-08-23 | 2022-11-01 | 东莞市威峰智能科技有限公司 | Screw rod auxiliary supporting mechanism |
-
2022
- 2022-08-23 CN CN202222224051.5U patent/CN217914282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256010A (en) * | 2022-08-23 | 2022-11-01 | 东莞市威峰智能科技有限公司 | Screw rod auxiliary supporting mechanism |
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