CN214774930U

CN214774930U - Supporting block device is followed to extension lead screw

Info

Publication number: CN214774930U
Application number: CN202120964602.4U
Authority: CN
Inventors: 殷久良
Original assignee: Shenzhen Longrun Printing Machinery Co ltd
Current assignee: Shenzhen Longrun Printing Machinery Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-19
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a supporting block device is followed to extension lead screw, including installation mechanism, slider, strutting arrangement, main part device, nut structure and bearing structure, installation mechanism includes the mounting bracket, and slider includes guide rail and slider, and strutting arrangement includes left branch strut and right branch strut, left branch strut lower surface and slider upper surface connection, and main part device includes fixed plate and lead screw main part, and the nut structure includes the inner circle. The utility model discloses supporting shoe device is followed to extension lead screw, and left branch strut and right branch strut all are used for supporting the lead screw main part, and the connecting rod is used for connecting two supporting shoes, makes it can remove simultaneously, and the lead screw main part is the important component part of printer as driven main part.

Description

Supporting block device is followed to extension lead screw

Technical Field

The utility model relates to a lead screw strutting arrangement specifically is extension lead screw follows supporting block device.

Background

The screw rod transmission has the advantages of high positioning precision, long service life, low pollution, capability of performing high-speed forward and reverse transmission, and better advantage than gear and rack transmission, and the screw rod transmission has become an important component for the recent standard allocation of a plane printer.

The existing screw rod has the problems that the screw rod is used for printing a product with a length of more than 5 meters and cannot be adopted for use due to the fact that the screw rod is used for a large-scale printer and the shaft diameter is less than 40mm, the screw rod is too long, the middle of the screw rod can droop, and the rotating speed is too high to cause shaking. The sag problem is solved by using an overlarge screw rod, the cost is too high, and the mounting structure becomes unreasonable; the rack is used for replacing the phenomenon that the precision is insufficient, the gap is difficult to debug, and the phenomenon of blocking is easy, so that the problem that the middle part of a long filament rod droops in the using process is solved, and the lengthened screw rod following support block device is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supporting block device is followed to extension lead screw to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the lengthened lead screw following support block device comprises an installation mechanism, a sliding device, a supporting device, a main body device, a nut structure and a bearing structure, wherein the installation mechanism comprises an installation frame, the sliding device comprises a guide rail and two sliding blocks, the upper surface of the guide rail is respectively in sliding fit with the lower surfaces of the plurality of sliding blocks, the sliding blocks mainly drive a left support block and a right support block to slide, the lower surface of the guide rail is connected with the upper surface of the installation frame, the supporting device comprises a left support block and a right support block, the lower surface of the left support block is connected with the upper surface of the sliding blocks, the main body device comprises a fixed plate and a lead screw main body, the inner surface of the lead screw main body is respectively welded with the outer surfaces of a plurality of fixed plates, the fixed plates are two, and the lead screw main body is mainly fixed by the fixed plates, the outer surface of the left supporting block and the outer surface of the right supporting block are respectively provided with a through hole, the outer surface of the lead screw main body is respectively in sliding fit with the through holes, the nut structure comprises two inner rings, the inner surfaces of the inner rings are in rotating fit with the outer surface of the lead screw main body, the inner rings mainly slide in a rotating manner with the lead screw main body, the bearing structure further comprises steel balls, the outer surfaces of the steel balls are in rotating fit with the outer surface of the lead screw main body, twenty to forty steel balls are arranged, and the steel balls mainly control the bearing structure to slide on the lead screw main body.

Preferably, the installation mechanism further comprises a fixed seat, the upper surface of the fixed seat is welded with the lower surface of the installation frame, the installation frame is used for installing the lead screw main body, and the fixed seat is used for fixedly supporting the installation frame.

Preferably, the sliding device further comprises two baffles, the inner surfaces of the baffles are connected with the outer surface of the guide rail, the baffles mainly block the sliding of the sliding block, and the guide rail is used for being matched with the sliding block to slide on the surface of the guide rail.

Preferably, the supporting device further comprises a connecting rod, one end of the connecting rod is welded to the outer surface of the left supporting block, the other end of the connecting rod is welded to the outer surface of the right supporting block, the left supporting block and the right supporting block are used for supporting the lead screw main body, and the connecting rod is used for connecting the two supporting blocks so that the two supporting blocks can move simultaneously.

Preferably, the main body device still includes the installation screw, and is a plurality of the fixed plate surface is equipped with a plurality of mounting holes respectively, and is a plurality of installation screw internal surface is connected with a plurality of mounting holes respectively, and wherein, the installation screw has eight, and the fixed plate is mainly installed to the installation screw, and the lead screw main part is the important component part of printer as driven main part.

Preferably, the nut structure still includes outer lane, rolling element and nut seat, and is a plurality of outer lane internal surface is respectively with a plurality of rolling element surface normal running fit, and wherein, the outer lane has two, and the outer lane is main to be connected nut seat, and wherein the rolling element has two, and the rolling element mainly cooperates the inner circle and rotates and slide, and is a plurality of the rolling element internal surface is respectively with a plurality of inner circle surface normal running fit, and is a plurality of nut seat surface is a plurality of outer lane surface welding respectively, and wherein, the nut seat has two, and the nut seat mainly is connected the installation with the drive arrangement of printer.

Preferably, the bearing structure further comprises a bearing sleeve, a retainer and a sealing gasket, the inner surface of the bearing sleeve is welded with the outer surface of the retainer, the inner surface of the retainer is respectively in rotating fit with the outer surfaces of the plurality of steel balls, the inner surface of the sealing gasket is connected with the outer surface of the retainer, the bearing sleeve is used for wrapping the retainer inside, the retainer is used for retaining the steel balls inside to orderly roll, and the sealing gasket is used for sealing and installing the steel balls.

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

the device follows the supporting shoe through increasing, has solved the drop of long filament pole intermediate position to do not need extra power device, only increase the lead screw sleeve and the slider of following in the installation can, and accomplish automatic following, guarantee that screw-nut removes extreme time, the supporting shoe can support the effect of playing the lead screw mid point in step. The supporting block does not influence the transmission precision and the equipment work, the high-speed rotation can also be kept stable, and the problem of drooping of the long filament rod is solved with low cost and high efficiency.

Drawings

Fig. 1 is an isometric structural schematic diagram of an elongated screw rod following support block device.

Fig. 2 is a schematic structural view of a lengthened screw rod following support block device.

FIG. 3 is an enlarged view of the main body device of the lengthened lead screw following support block device.

Fig. 4 is an enlarged view of a bearing structure of the lengthened lead screw following support block device.

Fig. 5 is an enlarged view of a nut structure of the lengthened lead screw following support block device.

In the figure: 100. an installation mechanism; 110. a mounting frame; 120. a fixed seat; 200. a sliding device; 210. a guide rail; 220. a baffle plate; 230. a slider; 300. a support device; 310. a left support block; 320. a right support block; 330. a connecting rod; 400. a main body device; 410. a fixing plate; 420. mounting screws; 430. a lead screw body; 500. a nut structure; 510. an outer ring; 520. an inner ring; 530. a rolling body; 540. a nut seat; 600. a bearing structure; 610. a bearing housing; 620. a holder; 630. a steel ball; 640. a gasket seal.

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 to 5, in an embodiment of the present invention, an extended lead screw following supporting block device includes an installation mechanism 100, a sliding device 200, a supporting device 300, a main body device 400, a nut structure 500 and a bearing structure 600, the installation mechanism 100 includes an installation frame 110, the sliding device 200 includes a guide rail 210 and a slider 230, an upper surface of the guide rail 210 is respectively in sliding fit with lower surfaces of a plurality of sliders 230, wherein there are two sliders 230, the slider 230 mainly drives a left supporting block 310 and a right supporting block 320 to slide, a lower surface of the guide rail 210 is connected with an upper surface of the installation frame 110, the supporting device 300 includes a left supporting block 310 and a right supporting block 320, a lower surface of the left supporting block 310 is connected with an upper surface of the slider 230, the main body device 400 includes a fixing plate 410 and a lead screw main body 430, an inner surface of the lead screw main body 430 is respectively welded with outer surfaces of the fixing plates 410, the number of the fixing plates 410 is two, the fixing plates 410 mainly fix the lead screw main body 430, through holes are respectively formed in the outer surface of the left supporting block 310 and the outer surface of the right supporting block 320, the outer surface of the lead screw main body 430 is in sliding fit with the through holes, the nut structure 500 comprises inner rings 520, the inner surfaces of the inner rings 520 are in rotating fit with the outer surface of the lead screw main body 430, the number of the inner rings 520 is two, the inner rings 520 mainly slide with the lead screw main body 430 in a rotating mode, the bearing structure 600 further comprises steel balls 630, the outer surfaces of the steel balls 630 are in rotating fit with the outer surface of the lead screw main body 430, twenty to forty steel balls 630 are provided, and the steel balls 630 mainly control the bearing structure 600 to slide on the lead screw main body 430.

The mounting mechanism 100 further includes a fixing base 120, an upper surface of the fixing base 120 is welded to a lower surface of the mounting base 110, the mounting base 110 is used for mounting the lead screw main body 430, and the fixing base 120 is used for fixedly supporting the mounting base 110.

The sliding device 200 further includes two baffles 220, the inner surfaces of the baffles 220 are connected to the outer surface of the guide rail 210, the baffles 220 mainly block the sliding of the sliding block 230, and the guide rail 210 is used for matching the sliding block 230 to slide on the surface thereof.

The supporting device 300 further includes a connecting rod 330, one end of the connecting rod 330 is welded to the outer surface of the left supporting block 310, the other end of the connecting rod 330 is welded to the outer surface of the right supporting block 320, the left supporting block 310 and the right supporting block 320 are both used for supporting the lead screw body 430, and the connecting rod 330 is used for connecting the two supporting blocks so as to enable the two supporting blocks to move simultaneously.

The main body device 400 further includes eight mounting screws 420, a plurality of mounting holes are respectively formed in the outer surfaces of the fixing plates 410, the inner surfaces of the mounting screws 420 are respectively connected with the mounting holes, the mounting screws 420 are mainly mounted on the fixing plates 410, and the lead screw main body 430 is used as a main body part for transmission and is an important component part of the printer.

The nut structure 500 further includes two outer rings 510, two rolling bodies 530 and two nut seats 540, the inner surfaces of the outer rings 510 are respectively rotatably fitted with the outer surfaces of the rolling bodies 530, the outer rings 510 are mainly connected to the nut seats 540, the rolling bodies 530 are two, the rolling bodies 530 are mainly fitted to the inner rings 520 to rotate and slide, the inner surfaces of the rolling bodies 530 are respectively rotatably fitted with the outer surfaces of the inner rings 520, the outer surfaces of the nut seats 540 are respectively welded to the outer surfaces of the outer rings 510, the nut seats 540 are two, and the nut seats 540 are mainly connected to a driving device of a printer.

The bearing structure 600 further comprises a bearing sleeve 610, a retainer 620 and a sealing gasket 640, wherein the inner surface of the bearing sleeve 610 is welded with the outer surface of the retainer 620, the inner surface of the retainer 620 is respectively in rotating fit with the outer surfaces of the plurality of steel balls 630, the inner surface of the sealing gasket 640 is connected with the outer surface of the retainer 620, the bearing sleeve 610 is used for wrapping the inner retainer 620, the retainer 620 is used for retaining the steel balls 630 in the retainer 620 to orderly roll, and the sealing gasket 640 is used for sealing and installing the steel balls 630.

The utility model discloses a theory of operation is:

the supporting blocks are used for supporting the lead screw main body 430 at a suspension position and are composed of an integral structural member, linear bearings, guide rails 210 and sliding blocks 230, the two supporting blocks are connected together through a connecting rod 330, the length of the connecting rod 330 is half of the total length of the lead screw main body 430, the linear bearings are sleeved on the lead screw main body 430, and the sliding blocks 230 do linear supporting motion on the guide rails 210. When the screw nut driven seat moves leftwards and contacts the left supporting block 310, the left supporting block 310 is continuously pushed to the left limit position, the right supporting block 320 is located in the middle position of the screw main body 430 at the moment, when the screw nut driven seat moves rightwards and reaches the middle position, the screw nut pushes the right supporting block 320 to move rightwards together, the maximum distance between the screw nut and the two supporting blocks is only half of the length of the screw main body 430, and the length of the distance does not cause the deformation of the screw main body 430.

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

1. Supporting block device is followed to extension lead screw, including installation mechanism (100), slider (200), strutting arrangement (300), main part device (400), nut structure (500) and bearing structure (600), its characterized in that: the mounting mechanism (100) comprises a mounting frame (110), the sliding device (200) comprises a guide rail (210) and sliders (230), the upper surface of the guide rail (210) is in sliding fit with the lower surfaces of the sliders (230) respectively, the lower surface of the guide rail (210) is connected with the upper surface of the mounting frame (110), the supporting device (300) comprises a left supporting block (310) and a right supporting block (320), the lower surface of the left supporting block (310) is connected with the upper surface of the sliders (230), the main body device (400) comprises a fixing plate (410) and a lead screw main body (430), the inner surface of the lead screw main body (430) is welded with the outer surfaces of the fixing plates (410), through holes are formed in the outer surface of the left supporting block (310) and the outer surface of the right supporting block (320) respectively, the outer surface of the lead screw main body (430) is in sliding fit with the through holes respectively, and the nut structure (500) comprises an inner ring (520), the inner surfaces of the inner rings (520) are in rotating fit with the outer surface of the lead screw main body (430), the bearing structure (600) further comprises steel balls (630), and the outer surfaces of the steel balls (630) are in rotating fit with the outer surface of the lead screw main body (430).

2. The extension screw following support block apparatus according to claim 1, wherein: the mounting mechanism (100) further comprises a fixed seat (120), and the upper surface of the fixed seat (120) is welded with the lower surface of the mounting frame (110).

3. The extension screw following support block apparatus according to claim 1, wherein: the sliding device (200) further comprises baffle plates (220), and the inner surfaces of the baffle plates (220) are connected with the outer surface of the guide rail (210).

4. The extension screw following support block apparatus according to claim 1, wherein: the supporting device (300) further comprises a connecting rod (330), one end of the connecting rod (330) is welded to the outer surface of the left supporting block (310), and the other end of the connecting rod (330) is welded to the outer surface of the right supporting block (320).

5. The extension screw following support block apparatus according to claim 1, wherein: the main body device (400) further comprises a plurality of mounting screws (420), a plurality of mounting holes are formed in the outer surface of the fixing plate (410) respectively, and the inner surface of each mounting screw (420) is connected with the corresponding mounting hole.

6. The extension screw following support block apparatus according to claim 1, wherein: the nut structure (500) further comprises outer rings (510), rolling bodies (530) and nut seats (540), wherein the inner surfaces of the outer rings (510) are respectively in rotating fit with the outer surfaces of the rolling bodies (530), the inner surfaces of the rolling bodies (530) are respectively in rotating fit with the outer surfaces of the inner rings (520), and the outer surfaces of the nut seats (540) are respectively welded to the outer surfaces of the outer rings (510).

7. The extension screw following support block apparatus according to claim 1, wherein: the bearing structure (600) further comprises a bearing sleeve (610), a retainer (620) and a sealing gasket (640), wherein the inner surface of the bearing sleeve (610) is welded with the outer surface of the retainer (620), the inner surface of the retainer (620) is respectively in rotating fit with the outer surfaces of the plurality of steel balls (630), and the inner surface of the sealing gasket (640) is connected with the outer surface of the retainer (620).