CN217751887U

CN217751887U - Lead screw adjusting structure and scraping mechanism

Info

Publication number: CN217751887U
Application number: CN202221259098.9U
Authority: CN
Inventors: 应俊华; 何家俊; 林俊才; 谢福元; 林航华
Original assignee: GUANGZHOU JIDONG MACHINERY CO Ltd
Current assignee: GUANGZHOU JIDONG MACHINERY CO Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-08
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a lead screw adjusting structure, including mount pad, slide and coupling assembling, be equipped with the drive component on the mount pad. The slide seat is movably connected with the driving component. The connecting assembly comprises a sealing member and a screw rod arranged in the sealing member, one end of the sealing member is tightly attached to the driving member, the other end of the sealing member is tightly attached to the sliding seat, one end of the screw rod is connected with an output shaft of the driving member so that the screw rod can rotate along with the output shaft, the other end of the screw rod is movably connected with the sliding seat, and a sliding groove for the screw rod to stretch is formed in the sliding seat. The utility model discloses still relate to one kind and include the limit mechanism of scraping of above-mentioned lead screw regulation structure, the utility model discloses a lead screw regulation structure and scrape limit mechanism can realize carrying out the accurate control adjusted through the lead screw, can guarantee simultaneously to carry out effectual dustproof to the lead screw, guarantee lead screw regulation mechanism's normal operating, and the cost of overhaul is low, is favorable to improve equipment life.

Description

Lead screw adjusting structure and scraping mechanism

Technical Field

The utility model relates to a wood working machinery processing equipment technical field especially relates to a lead screw regulation structure and scrape limit mechanism.

Background

With the continuous improvement of the requirements of industrial furniture products and the rapid rise of labor cost, the development trend of modern wood-working machinery is to operate intellectualization, process flexibility and have the characteristics of energy conservation and environmental protection. An output shaft of the positioning system rotates and is transmitted to a scraping edge or a trimming edge cutter through a lead screw so that the scraping edge or the trimming edge cutter moves back and forth for a precise distance, and the function of automatic cutter setting during switching of edge sealing belts with different thicknesses is completed.

And the machine of wood working machinery trade generally is not very good at the factory environment at the during operation, and the machine adds the dust great man-hour, and the positioning accuracy who uses the high-end intelligent flexible bag sealer of lead screw device can descend because the lead screw falls grey, or because the lead screw falls grey motion stuck phenomenon appear, influences the machine machining precision. In addition, when the machine works under the condition of large dust amount for a long time, the abrasion of beads in the screw rod is accelerated, and the service life of the machine is shortened.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a lead screw regulation structure and scrape limit mechanism to above-mentioned technical problem, can realize carrying out the accurate control who adjusts through the lead screw, can guarantee to carry out effectual dustproof to the lead screw simultaneously, guarantees lead screw adjustment mechanism's normal operating, and the cost of overhaul is low, is favorable to improve equipment life.

The technical scheme is as follows:

on the one hand, a lead screw adjusting structure and scraping mechanism is provided, including:

the mounting seat is provided with a driving component;

the sliding seat is movably connected with the driving member;

coupling assembling, coupling assembling includes sealing member and sets up lead screw in the sealing member, sealing member's one end with driving member hugs closely, sealing member's the other end with the slide is hugged closely, the one end of lead screw with driving member's output shaft is so that the lead screw follows the output shaft rotates, the other end of lead screw with slide swing joint, it is the spout to be equipped with on the slide and supply the lead screw flexible.

The technical solution is further explained below:

in one embodiment, the sealing member includes a sealing cover, the sealing cover is sleeved outside the screw rod, and the sealing cover is fixedly connected with the screw rod.

In one embodiment, the sealing cover is fixedly connected with the screw rod through a limiting member, a limiting hole for the limiting member to pass through is formed in the sealing cover, a key groove corresponding to the limiting hole is formed in the screw rod, and one end of the limiting member abuts against the key groove.

In one embodiment, the sealing member further includes a nut disposed between the sealing cover and the sliding seat, the nut includes a push-pull portion and a protection portion, the push-pull portion is fixedly connected to an opening of the sliding groove of the sliding seat, and the protection portion is telescopically disposed in the sealing cover.

In one embodiment, a sealing groove for installing a sealing ring is formed in one side, facing the nut, of the sealing cover, and the sealing ring is arranged between the outer side face of the protection portion and the inner side wall of the sealing component.

In one embodiment, the sealing member further comprises a bearing seat, one end of the bearing seat is mounted on the driving member, and the other end of the bearing seat is tightly attached to the sealing cover; the bearing seat is internally provided with a bearing, the outer ring of the bearing is connected with the bearing seat, and the inner ring of the bearing is connected with the screw rod.

In one embodiment, the sliding device further comprises a sliding assembly, wherein the sliding assembly comprises a sliding rail fixedly arranged on the mounting seat and a sliding block connected with the sliding rail in a sliding manner, and the sliding block is fixedly connected to the sliding block.

In one embodiment, the driving member is a positioning motor, and a motor base for fixing and mounting the positioning motor is arranged on the mounting base.

In one embodiment, the connecting assembly further comprises a screw sleeve, and the screw is fixedly connected with the output shaft of the driving member through the screw sleeve.

On the other hand, still provide a scrape limit mechanism, its characterized in that includes foretell lead screw adjustment structure, still includes:

the mounting seat is fixed on the machine body;

the horizontal guide wheel is fixedly arranged on the sliding seat.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a lead screw regulation structure sets up drive component on the mount pad to drive component passes through coupling assembling and slides with slide swing joint drive slide, accomplishes the accurate automatic switch-over of station and adjusts. The connecting assembly realizes accurate adjustment operation through the screw rod, and realizes the dustproof function of the screw rod by arranging the sealing component outside the screw rod. Further, the two ends of the sealing component are respectively attached to the driving component and the sliding seat, so that the sliding process of the sliding seat is guaranteed to be achieved when the screw rod pushes the sliding seat, dust can be effectively prevented from falling into the screw rod from the outside all the time under the protection of the sealing component, and the dustproof function of the screw rod is achieved. Furthermore, the sliding seat is provided with a sliding groove for the extension of the screw rod, and even if the screw rod extends out of one end of the sliding seat to slide in the sliding groove, the external dust can not fall into the screw rod through the protection of the sliding groove, so that the whole dustproof effect is ensured.

In addition, still provide one kind and scrape limit mechanism, should scrape limit mechanism and include foretell lead screw adjustment structure, still including being used for supplying the fuselage that the mount pad is fixed to make whole lead screw adjustment structure fix and scrape the operation of limit mechanism and use on the limit mechanism. Still include horizontal leading wheel, horizontal leading wheel is fixed to be set up on the slide to drive horizontal leading wheel through above-mentioned lead screw regulation structure and slide, make scrape limit mechanism and adjust the meticulous change operation that can carry out the banding area through the lead screw, and make should scrape limit mechanism and have dustproof function, even be in the relatively abominable environment of high dust, still can normally work, in order to guarantee the machining precision.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a screw adjustment structure and a scraping mechanism according to an embodiment;

FIG. 2 is a schematic diagram of a lead screw adjustment mechanism according to one embodiment;

FIG. 3 is a schematic view of another angle of view of the screw adjustment structure shown in FIG. 2;

fig. 4 is a partial sectional structural schematic view of a screw adjustment structure in one embodiment.

Description of reference numerals:

100. an edge scraping mechanism; 110. a body; 200. a mounting seat; 300. a slide base; 310. a chute;

400. a connecting assembly; 410. a sealing member; 411. a sealing cover; 412. a stopper; 413. a nut;

4131. a push-pull section; 4132. a protective part; 414. a seal ring; 415. a bearing seat; 416. a bearing;

417. a limit screw; 418. locking the nut; 419. a cushion cover; 420. a screw rod; 430. a screw rod sleeve;

500. a horizontal guide wheel; 610. positioning a motor; 620. a motor base; 710. a slide rail; 720. a slide block.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "fixed", "attached", "abutted", and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1 to 4, in one embodiment, a screw adjustment structure is provided, which includes a mounting base 200, a sliding base 300, and a connecting assembly 400, wherein a driving member is disposed on the mounting base 200. The slider 300 is movably connected to the driving member. The connecting assembly 400 includes a sealing member 410 and a screw rod 420 disposed in the sealing member 410, one end of the sealing member 410 is tightly attached to the driving member, the other end of the sealing member 410 is tightly attached to the sliding base 300, one end of the screw rod 420 is connected to an output shaft of the driving member so that the screw rod 420 rotates along with the output shaft, the other end of the screw rod 420 is movably connected to the sliding base 300, and a sliding groove 310 for the screw rod 420 to extend and retract is disposed on the sliding base 300.

In this embodiment, a driving member is disposed on the mounting seat 200, and the driving member is movably connected with the sliding base 300 through the connecting assembly 400 to drive the sliding base 300 to slide, so as to complete the precise automatic switching adjustment of the working positions. Wherein, the connection assembly 400 realizes a precise adjustment operation through the lead screw 420, and realizes a dust-proof function of the lead screw 420 by providing the sealing member 410 outside the lead screw 420. Further, two ends of the sealing member 410 are respectively attached to the driving member and the sliding base 300, so that in the process that the sliding base 300 is pushed by the screw rod 420 to slide, dust can be effectively prevented from falling onto the screw rod 420 from the outside under the protection of the sealing member 410 all the time, and the dustproof function of the screw rod 420 is realized. Furthermore, the sliding base 300 is provided with a sliding groove 310 for the screw rod 420 to stretch, and even if one end of the screw rod 420 facing the sliding base 300 extends out of the sealing member 410 and slides in the sliding groove 310, external dust cannot fall onto the screw rod 420 through protection of the sliding groove 310, so that the whole dustproof effect is ensured.

In one embodiment, the sealing member 410 includes a sealing cover 411, and the sealing cover 411 is sleeved outside the screw rod 420 to prevent external dust from falling onto the screw rod 420. The sealing cover 411 is fixedly connected with the screw rod 420, so that the sealing cover 411 synchronously rotates along with the screw rod 420, and the sealing cover 411 and the screw rod 420 are always kept static to effectively prevent external dust from falling onto the screw rod 420 through the sealing cover 411.

Further, the sealing cover 411 is fixedly connected with the screw rod 420 through the limiting member 412, a limiting hole for limiting and limiting the position of the screw rod is formed in the sealing cover 411, a key slot corresponding to the limiting hole is formed in the screw rod 420, and one end of the limiting member 412 abuts against the key slot. Through the locating part 412, guarantee the stability of being connected of sealed lid 411 and lead screw 420.

In one embodiment, the sealing member 410 further includes a nut 413, the nut 413 is disposed between the sealing cover 411 and the sliding base 300, the nut 413 includes a push-pull portion 4131 and a protection portion 4132, the push-pull portion 4131 is fixedly connected to an opening of the sliding slot 310 of the sliding base 300 to prevent external dust from falling onto the lead screw in the sliding slot 310, and the protection portion 4132 is telescopically disposed in the sealing cover 411. Specifically, the nut 413 is drivingly connected to the screw 420, so that when the screw 420 rotates, the protection portion 4132 of the nut 413 is pushed to perform a telescopic motion in the sealing cover 411, so that the push-pull portion 4131 of the nut 413 performs a push-pull sliding motion on the slider 300. Further, when the nut 413 is slid in a push-pull manner, the protection portion 4132 is telescopically disposed inside the sealing member 410, so that the screw rod 420 is within a protection range of the protection portion 4132 and does not directly contact with the external environment, thereby preventing external dust from falling onto the screw rod.

In one embodiment, the sealing cover 411 is provided with a sealing groove for installing a sealing ring 414 on a side facing the nut 413, and the sealing ring 414 is disposed between an outer side surface of the protector 4132 and an inner side wall of the sealing member 410. The sealing ring 414 can effectively prevent external dust from entering the sealing member 410 through a gap between the sealing member 410 and the protector 4132 and falling onto the screw rod 420, thereby further improving the dust-proof effect. Further, the sealing ring 414 is made of an elastic material, and can be used for buffering between the sealing member 410 and the nut 413, so as to prevent the nut 413 from colliding with the sealing member 410 during the retracting process to damage the sealing property of the sealing member 410.

In one embodiment, the sealing member 410 further includes a bearing housing 415, one end of the bearing housing 415 is mounted on the driving member, and the other end of the bearing housing 415 is closely attached to the sealing cover 411, so as to prevent external dust from entering through a gap between the sealing member 410 and the bearing housing 415 and falling onto the screw rod 420. A bearing 416 is arranged in the bearing seat 415, the outer ring of the bearing 416 is connected with the bearing seat 415, the inner ring of the bearing 416 is connected with the screw rod 420, and the bearing 416 is used for assisting the screw rod 420 to rotate, so that the rotating smoothness of the screw rod 420 is improved. In practical operation, the outer ring of the bearing 416 is fixed through the limit screw 417 so that the outer ring of the bearing 416 cannot move left and right, the locking nut 418 abuts against the inner ring of the bearing 416, which faces one end of the driving member, the cushion cover 419 is further arranged between the locking nut 418 and the inner ring of the bearing 416, the locking nut 418 is sleeved outside the screw rod 420, and it is ensured that the screw rod 420 cannot move left and right relative to the driving member when the screw rod 420 and the inner ring of the bearing 416 rotate.

In one embodiment, the device further comprises a sliding assembly, wherein the sliding assembly comprises a sliding rail 710 fixedly arranged on the mounting base 200, a sliding block 720 slidably connected with the sliding rail 710, and the sliding base 300 is fixedly connected to the sliding block 720. Through sliding assembly, improve the gliding smooth and easy degree of slide 300, simultaneously, sliding assembly can provide certain supporting role for slide 300, guarantees overall structure operation's stability.

In one embodiment, the driving member is a positioning motor 610, and a motor base 620 for fixing and mounting the positioning motor 610 is disposed on the mounting base 200. Through positioning motor 610, guarantee power take off's accuracy, fix positioning motor 610 on motor cabinet 620 simultaneously, guarantee positioning motor 610's stability, guarantee the stability of output.

In one embodiment, the connection assembly 400 further includes a screw sleeve 430, and the screw 420 is fixedly connected to the output shaft of the driving member through the screw sleeve 430, so as to ensure the stability of connection between the screw 420 and the output shaft. In actual operation, the output shaft of the positioning motor 610 is hollow, the output shaft locks the screw rod sleeve 430 through a screw, the screw rod sleeve 430 locks the screw rod 420, and the screw rod sleeve 430 transmits the output torque of the positioning motor 610 to the screw rod 420.

As shown in fig. 1, in another aspect, in an embodiment, there is further provided an edge scraping mechanism 100, including a screw adjustment structure as described above, and further including a body 110, wherein the mounting seat 200 is fixed on the body 110. The horizontal guide wheel 500 is fixedly arranged on the sliding seat 300, so that the horizontal guide wheel 500 is driven to slide through the screw rod adjusting structure. Specifically, when the specification of the edge sealing belt is changed, for example, when the edge sealing belt needs to be changed to a 1mm edge sealing belt by 0.5mm, the output shaft of the positioning motor 610 precisely rotates by an angle to drive the screw rod 420 to rotate, and the screw rod 420 pushes the nut 413 to move by 0.5mm relative to the screw rod 420, so that the horizontal guide wheel 500 moves by 0.5mm relative to the edge scraping knife (not shown in the figure), and the precise automatic switching of the stations is completed. Wherein the edge scraping knife is fixed on the machine body 110.

In the present embodiment, the edge scraping mechanism 100 is configured by mounting the mounting seat 200 on the body 110, so that the entire screw rod adjusting structure is operatively used on the edge scraping mechanism 100 in cooperation with the edge scraping mechanism 100. The edge scraping mechanism 100 can perform fine replacement operation of the edge sealing band through adjustment of the screw rod 420, the edge scraping mechanism 100 has a dustproof function, and even if the edge scraping mechanism is in a severe environment with high dust, the edge scraping mechanism can still work normally to guarantee machining accuracy.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lead screw adjusting structure is characterized by comprising:

the mounting seat (200) is provided with a driving component;

a slide (300), wherein the slide (300) is movably connected with the driving component;

coupling assembling (400), coupling assembling (400) are in including sealing member (410) and setting lead screw (420) in sealing member (410), the one end of sealing member (410) with the driving member is hugged closely, the other end of sealing member (410) with slide (300) are hugged closely, the one end of lead screw (420) with the output shaft of driving member is connected so that lead screw (420) are followed the output shaft rotates, the other end of lead screw (420) with slide (300) swing joint, be equipped with spout (310) that supplies lead screw (420) to stretch out and draw back on slide (300).

2. A screw adjustment structure according to claim 1, wherein the sealing member (410) comprises a sealing cover (411), the sealing cover (411) is sleeved outside the screw (420), and the sealing cover (411) is fixedly connected with the screw (420).

3. The lead screw adjusting structure according to claim 2, wherein the sealing cover (411) is fixedly connected to the lead screw (420) through a limiting member (412), the sealing cover (411) is provided with a limiting hole for the limiting member to pass through, the lead screw (420) is provided with a key slot corresponding to the limiting hole, and one end of the limiting member (412) abuts against the key slot.

4. A screw adjustment structure according to claim 2, wherein said sealing member (410) further comprises a nut (413), said nut (413) is disposed between said sealing cover (411) and said sliding base (300), said nut (413) comprises a push-pull portion (4131) and a protection portion (4132), said push-pull portion (4131) is fixedly connected to an opening of said sliding groove (310) of said sliding base (300), and said protection portion (4132) is telescopically disposed in said sealing cover (411).

5. A screw adjustment arrangement according to claim 4, wherein the sealing cover (411) is provided with a sealing groove on the side facing the nut (413) for mounting a sealing ring (414), the sealing ring (414) being arranged between the outer side of the guard (4132) and the inner side of the sealing member (410).

6. A screw adjustment structure according to claim 2, wherein said sealing member (410) further comprises a bearing seat (415), one end of said bearing seat (415) is mounted on the driving member, and the other end of said bearing seat (415) is closely attached to said sealing cover (411); a bearing (416) is arranged in the bearing seat (415), the outer ring of the bearing (416) is connected with the bearing seat (415), and the inner ring of the bearing (416) is connected with the screw rod (420).

7. The lead screw adjusting structure according to claim 1, further comprising a sliding assembly, wherein the sliding assembly comprises a sliding rail (710) fixedly arranged on the mounting base (200), and a sliding block (720) slidably connected with the sliding rail (710), and the sliding base (300) is fixedly connected to the sliding block (720).

8. A screw adjustment structure according to claim 1, wherein the driving means is a positioning motor (610), and the mounting base (200) is provided with a motor base (620) for fixing and mounting the positioning motor (610).

9. A screw adjustment arrangement according to claim 1, wherein the coupling assembly (400) further comprises a screw sleeve (430), the screw (420) being fixedly connected to the output shaft of the drive member via the screw sleeve (430).

10. A scraping mechanism (100) comprising a screw adjustment structure according to any one of claims 1 to 9, further comprising:

the installation seat (200) is fixed on the machine body (110);

the horizontal guide wheel (500), horizontal guide wheel (500) is fixed and set up on slide (300).