Dustproof assembly for lead screw guide rail

Abstract

The utility model discloses a dustproof assembly for a lead screw guide rail, which belongs to the technical field of lead screw guide rails and comprises the lead screw guide rail, a sliding seat slidably mounted in the lead screw guide rail, and a dust blocking structure arranged on the lead screw guide rail and the sliding seat and used for blocking and protecting the upper part of a lead screw in the lead screw guide rail for dust prevention, and the folding and unfolding structures are arranged on the dust blocking structures and enable the dust blocking structures to be folded and unfolded according to movement of the sliding seat, the number of the dust blocking structures is two, and each dust blocking structure comprises a storage box arranged on one side of the lead screw guide rail and a rotating shaft rotationally installed in the storage box. The dust blocking films are arranged on the two sides of the sliding base, the upper portion of a lead screw in the lead screw guide rail can be blocked, the periphery of the lead screw is blocked and protected through cooperation with the lead screw guide rail, the wrapping dust prevention effect on the lead screw is achieved, and in the moving operation process of the sliding base, the dust blocking films on the two sides can be folded and unfolded along with moving of the sliding base. And the dust blocking film can be always blocked and protected above the lead screw guide rail, so that the dust prevention effect of the dust blocking film is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw guide rails, in particular to a screw guide rail dustproof component. Background Art

[0002] A lead screw guide, also known as a linear slide or linear guide, is a component in a mechanical transmission system that converts rotational motion into linear motion. It primarily consists of a lead screw and a guide rail. The lead screw's rotation drives the nut or slider to perform linear motion on the guide rail.

[0003] In the prior art, when the screw guide rail is in use, the slide needs to move back and forth, so a sliding groove is usually left on the screw guide rail for the slide to move, which affects the protective effect of the internal screw. Dust can easily enter the guide rail through the sliding groove and adhere to the screw, affecting the accuracy and stability of the screw. Utility Model Content

[0004] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a screw guide rail dustproof assembly to solve some or all of the problems in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A lead screw guide rail dustproof assembly, comprising:

[0007] Screw guide rail;

[0008] Slide seat, slidingly installed inside the screw guide rail,

[0009] The dust shield structure is arranged on the screw guide rail and the slide seat to protect the screw rod in the screw guide rail from dust;

[0010] The retractable structure is arranged on the dust shield structure and cooperates with the slide seat to enable the dust shield structure to be retracted and extended according to the movement of the slide seat;

[0011] The supporting structure is arranged on the dust-blocking structure and is used for supporting the dust-blocking structure.

[0012] Preferably, the dust shield structures are arranged in two groups, and each group of dust shield structures includes:

[0013] A storage box is arranged on one side of the lead screw guide rail;

[0014] A rotating shaft is rotatably mounted inside the storage box;

[0015] The winding roller is fixedly sleeved on the rotating shaft;

[0016] The dust-blocking film is wound on the winding roller, and one end of the dust-blocking film passes through the lead screw guide rail;

[0017] Connecting strip 1 is arranged at one end of the dust-blocking film close to the sliding seat;

[0018] The fixing assembly is arranged on the connecting strip 1 and the slide, and is used to fix the connecting strip 1 on the slide.

[0019] Preferably, the fixing assembly comprises:

[0020] A connecting plate, arranged on one side of the connecting strip;

[0021] The fixing screw is threadedly installed inside the connecting plate and the sliding seat.

[0022] Preferably, the retractable structure includes:

[0023] The installation box is arranged on one side of the storage box;

[0024] The coil spring is located inside the installation box, one end of the coil spring is arranged on the inner wall of the installation box, and the other end of the coil spring is arranged on one end of the rotating shaft.

[0025] Preferably, the support structure comprises:

[0026] A second connecting strip is arranged on the inner wall of the lead screw guide rail;

[0027] Four guide sliders are symmetrically slidably mounted on one side of the second connecting strip and the first connecting strip;

[0028] A plurality of supporting links 1 and a plurality of supporting links 2 are rotatably mounted on corresponding guide sliders, and the supporting links 1 and the supporting links 2 are rotatably connected and cross-arranged;

[0029] A guide assembly is arranged on the guide slider and is used to limit the moving direction of the guide slider;

[0030] Among them, the supporting link 1 and the supporting link 2 are both located below the dust-blocking film and are used to support the dust-blocking film.

[0031] Preferably, the guide assembly comprises:

[0032] Two T-shaped slides are respectively opened inside the two guide slides;

[0033] The two T-shaped bars are respectively arranged on one side of the second connecting bar and the first connecting bar, and the two T-shaped bars are respectively slidably installed in the two T-shaped sliding grooves.

[0034] Preferably, the support structure further comprises a positioning assembly arranged on the first support link and the second support link, for ensuring that the first support link and the second support link maintain linear movement.

[0035] Preferably, the positioning component includes:

[0036] Connecting shaft, rotatably installed inside the support link one and the support link two;

[0037] Guide rod, arranged at one end of the connecting shaft;

[0038] Two guide grooves, opened in the inner wall of the screw guide rail on both sides, both ends of the guide rod are slidably installed in the two guide grooves.

[0039] The beneficial effect of the utility model lies in:

[0040] The utility model discloses a dustproof film is arranged on the both sides of the slide, can block the screw above in the screw guide rail, and the screw is blocked around the screw guide rail, realizes the dustproof effect of the wrapping of the screw, and in the process of the movement operation of the slide, the dustproof film of both sides can follow the movement of the slide and be retracted, ensures that the dustproof film can always block the above of the screw guide rail, and then improves its dustproof effect.

[0041] The utility model discloses a dustproof film is arranged on the both sides of the slide, can block the screw above in the screw guide rail, and the screw is blocked around the screw guide rail, realizes the dustproof effect of the wrapping of the screw, and in the process of the movement operation of the slide, the dustproof film of both sides can follow the movement of the slide and be retracted, ensures that the dustproof film can always block the above of the screw guide rail, and then improves its dustproof effect.

[0042] The utility model discloses a dustproof film is arranged on the both sides of the slide, can block the screw above in the screw guide rail, and the screw is blocked around the screw guide rail, realizes the dustproof effect of the wrapping of the screw, and in the process of the movement operation of the slide, the dustproof film of both sides can follow the movement of the slide and be retracted, ensures that the dustproof film can always block the above of the screw guide rail, and then improves its dustproof effect. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0044] Figure 1 The structure schematic diagram of a screw guide rail dustproof assembly provided by the utility model embodiment is shown;

[0045] Figure 2 The internal structure schematic diagram of a screw guide rail dustproof assembly provided by the utility model embodiment is shown;

[0046] Figure 3 The support link structure schematic diagram of a screw guide rail dustproof assembly provided by the utility model embodiment is shown.

[0047] Figure 4 A schematic cross-sectional view of a storage box for a lead screw guide rail dustproof assembly provided in an embodiment of the present invention;

[0048] Figure 5 A schematic diagram of the coil spring structure of a lead screw guide rail dustproof assembly provided in an embodiment of the utility model.

[0049] Description of reference numerals:

[0050] 1. Screw guide rail; 2. Slide seat; 3. Storage box; 301. Rotating shaft; 302. Winding roller; 303. Dust shield film; 304. Connecting strip 1; 305. Connecting plate; 306. Fixing screw; 4. Mounting box; 401. Coil spring; 5. Connecting strip 2; 501. Guide slider; 502. Support link 1; 503. Support link 2; 504. Connecting shaft; 505. Guide rod; 506. Guide slide; 507. T-type slide; 508. T-type strip. DETAILED DESCRIPTION

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0052] Example 1:

[0053] like Figures 1 to 5 As shown, the utility model provides a screw guide rail dustproof assembly, comprising: a screw guide rail 1 and a slide 2 slidably installed inside the screw guide rail 1, a dust shield structure arranged on the screw guide rail 1 and the slide 2 for protecting the screw rod in the screw guide rail 1 from dust, and a retractable structure arranged on the dust shield structure so that the dust shield structure can be retracted and extended according to the movement of the slide 2.

[0054] Among them, there are two groups of dust shield structures, each group of dust shield structures includes a storage box 3 arranged on one side of the screw guide rail 1, a rotating shaft 301 rotatably installed inside the storage box 3, a winding roller 302 fixedly sleeved on the rotating shaft 301, and a dust shield film 303 wound on the winding roller 302. One end of the dust shield film 303 passes through the screw guide rail 1, a connecting strip 304 arranged at one end of the dust shield film 303, and a fixing component arranged on the connecting strip 304 and the slide 2 for fixing the connecting strip 304 on the slide 2. The dust shield film 303 can protect the top of the screw in the screw guide rail 1 to prevent dust from the screw. The moving slide 2 can push and pull the connecting strips 304 on both sides, so that the moving connecting strip 304 can pull one end of the dust shield film 303 to move, and release the wound dust shield film 303 from the winding roller 302.

[0055] Specifically, the fixing assembly includes a connecting plate 305 arranged on one side of the connecting strip 304, and a fixing screw 306 threadedly installed inside the connecting plate 305 and the slide 2. By unscrewing the fixing screw 306 from the corresponding connecting plate 305 and the inside of the slide 2, the connection between the connecting strip 304 and the slide 2 can be released. At this time, the connecting strip 304 can be pushed alone to push the dust shield 303 to the side to perform maintenance operations on the screw.

[0056] Among them, the retractable structure includes an installation box 4 arranged on one side of the storage box 3, a coil spring 401 located inside the installation box 4, one end of the coil spring 401 is arranged on the inner wall of the installation box 4, and the other end of the coil spring 401 is arranged at one end of the rotating shaft 301. In the process of releasing the wound dust-blocking film 303 from the winding roller 302, the winding roller 302 will drive the rotating shaft 301 to rotate. When the rotating shaft 301 rotates, it can drive the coil spring 401 to shrink and store energy. When the dust-blocking film 303 is relaxed, the coil spring 401 in the contracted state will drive the rotating shaft 301 to rotate and reset, so that the winding roller 302 will re-wind the dust-blocking film 303, ensuring that the dust-blocking film 303 always remains in a straightened state.

[0057] Example 2:

[0058] On the basis of Example 1, in order to prevent heavy objects from falling onto the dust shielding film 303 and causing it to sink and damage the lead screw, a supporting structure for supporting the dust shielding structure is arranged on the dust shielding structure.

[0059] Among them, the support structure includes a connecting bar 2 5 arranged on the inner wall of the screw guide rail 1, four guide sliders 501 symmetrically slidably installed on one side of the connecting bar 2 5 and the connecting bar 1 304, a number of supporting links 1 502 and a number of supporting links 2 503 rotatably installed on the corresponding guide slider 501, the supporting links 1 502 and the supporting links 2 503 are rotatably connected and cross-arranged, and a guide component arranged on the guide slider 501 for limiting the moving direction of the guide slider 501, the supporting links 1 502 and the supporting links 2 503 are all located below the dust shield film 303 and are used to support the dust shield film 303. The support link 1 502 and the support link 2 503 can support the dust shield film 303 to prevent heavy objects from falling on the dust shield film 303 and causing it to sink. In the process of movement of the connecting bar 1 304, they can drive several support links 1 502 and support links 2 503 to rotate and expand on the corresponding connecting shaft 504, so that the support link 1 502 and the support link 2 503 can follow the retraction and extension of the dust shield film 303 for mobile support.

[0060] Specifically, the guide assembly includes two T-shaped slots 507 opened inside the two guide sliders 501, and two T-shaped bars 508 respectively arranged on one side of the connecting bar 2 5 and the connecting bar 1 304. The two T-shaped bars 508 are respectively slidably installed in the two T-shaped slots 507. The support link 1 502 and the support link 2 503 can drive the corresponding guide slider 501 to slide while rotating, so that the guide slider 501 slides on the T-shaped bar 508 through the T-shaped slot 507 to adapt to the angle change of the support link 1 502 and the support link 2 503.

[0061] The supporting structure further includes positioning components arranged on the supporting link 1 502 and the supporting link 2 503 to ensure that they can maintain linear movement.

[0062] Specifically, the positioning assembly includes a connecting shaft 504 rotatably installed inside the support link 1 502 and the support link 2 503, a guide rod 505 arranged at one end of the connecting shaft 504, and a guide groove 506 opened on the inner walls on both sides of the screw guide rail 1. The two ends of the guide rod 505 are respectively slidably installed in the two guide grooves 506. The support link 1 502 and the support link 2 503 can drive the connecting shaft 504 to move while moving, so that the connecting shaft 504 drives the guide rod 505 to slide in the guide groove 506.

[0063] Working principle:

[0064] By setting the dust shield 303, the dust shield can be protected above the lead screw in the lead screw guide rail 1 to achieve the dust-proof effect on the lead screw. When the slide 2 moves under the control of the motor, the moving slide 2 can push and pull the connecting plates 305 and the connecting strip 1 304 on both sides, so that the moving connecting strip 1 304 can pull one end of the dust shield 303 to move, and release the wound dust shield 303 from the winding roller 302. In the process, the winding roller 302 will drive the rotating shaft 301 to rotate. When the rotating shaft 301 rotates, it can drive the coil spring 401 to contract and store energy. When the slide 2 moves in the opposite direction, it will drive the connecting strip 1 304 to pull one end of the dust shield 303 to move, and release the wound dust shield 303 from the winding roller 302. The strip 304 moves to reset, and at this time the connecting strip 304 no longer pulls the dust shield film 303, loosening the dust shield film 303. At the same time, the coil spring 401 in the contracted state drives the rotating shaft 301 to rotate and reset, thereby causing the rotating shaft 301 to drive the winding roller 302 to rotate, so that the winding roller 302 rewinds the dust shield film 303, ensuring that the dust shield film 303 always remains in a straightened state and can be retracted and extended following the movement of the slide 2. By arranging a supporting link 1 502 and a supporting link 2 503 under the dust shield film 303, it can support it and prevent heavy objects from falling onto the dust shield When the dust-blocking film 303 is on the ground, it sinks, and in the process of moving the connecting strip 1 304, it can drive the corresponding two guide sliders 501 to move, and then drive the corresponding support link 1 502 and support link 2 503 to move and rotate, so that several support links 1 502 and support links 2 503 can rotate and expand on the corresponding connecting shaft 504, so that the support link 1 502 and support link 2 503 can move and support along with the retraction and extension of the dust-blocking film 303, and the support link 1 502 and support link 2 503 can drive the corresponding guide sliders 501 to move while rotating. The slider 501 slides, causing the guide slider 501 to slide on the T-bar 508 through the T-shaped slot 507 to adapt to the angle change of the support link 1 502 and the support link 2 503. The support link 1 502 and the support link 2 503 can drive the connecting shaft 504 to move while moving, so that the connecting shaft 504 drives the guide rod 505 to slide in the guide slot 506. The setting of the guide rod 505 can ensure that the connecting shaft 504 is always in the middle position, avoiding the support link 1 502 and the support link 2 503 from deviating to both sides during the moving support process.

[0065] By unscrewing the fixing screw 306 from the corresponding connecting plate 305 and the inside of the slide 2, the connection between the connecting strip 1 304 and the slide 2 can be released. At this time, the connecting strip 1 304 can be pushed alone to push the dust shield 303, the support link 1 502 and the support link 2 503 to the side, so that the screw inside the screw guide rail 1 can be exposed for maintenance of the screw.

[0066] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A screw guide rail dustproof assembly, characterized in that: include: Screw guide rail (1); A slide seat (2) is slidably mounted inside the lead screw guide rail (1); A dust shield structure is arranged on the lead screw guide rail (1) and the slide seat (2) and is used to shield the lead screw in the lead screw guide rail (1) from dust; A retractable structure is arranged on the dust shield structure and is used in conjunction with the slide seat (2) so that the dust shield structure can be retracted and extended according to the movement of the slide seat (2); The supporting structure is arranged on the dust-blocking structure and is used for supporting the dust-blocking structure.

2. A screw guide rail dustproof assembly according to claim 1, characterized in that: The dust shield structures are arranged in two groups, and each group of dust shield structures includes: A storage box (3) is arranged on one side of the lead screw guide rail (1); A rotating shaft (301) is rotatably mounted inside the storage box (3); A winding roller (302) is fixedly sleeved on the rotating shaft (301); A dust-blocking film (303) is wound on the winding roller (302), and one end of the dust-blocking film (303) passes through the lead screw guide rail (1); A connecting strip (304) is arranged at one end of the dust-blocking film (303) close to the sliding seat (2); The fixing assembly is arranged on the connecting strip 1 (304) and the slide seat (2) and is used to fix the connecting strip 1 (304) on the slide seat (2).

3. A lead screw guide rail dustproof assembly according to claim 2, characterized in that: The fixing assembly includes: A connecting plate (305) is arranged on one side of the connecting strip (304); The fixing screw (306) is threadedly mounted inside the connecting plate (305) and the sliding seat (2).

4. A lead screw guide rail dustproof assembly according to claim 1, characterized in that: The retractable structure includes: An installation box (4) is arranged on one side of the storage box (3); The coil spring (401) is located inside the installation box (4), one end of the coil spring (401) is arranged on the inner wall of the installation box (4), and the other end of the coil spring (401) is arranged on one end of the rotating shaft (301).

5. The lead screw guide rail dustproof assembly according to claim 1, characterized in that: The support structure comprises: A second connecting strip (5) is arranged on the inner wall of the lead screw guide rail (1); Four guide sliders (501) are symmetrically slidably mounted on one side of the second connecting strip (5) and the first connecting strip (304); A plurality of supporting link rods 1 (502) and a plurality of supporting link rods 2 (503) are rotatably mounted on corresponding guide sliders (501), and the supporting link rods 1 (502) and the supporting link rods 2 (503) are rotatably connected and cross-arranged; A guide assembly, arranged on the guide slider (501), for limiting the moving direction of the guide slider (501); Wherein, the supporting link 1 (502) and the supporting link 2 (503) are both located below the dust-blocking film (303) and are used to support the dust-blocking film (303).

6. A lead screw guide rail dustproof assembly according to claim 5, characterized in that: The guide assembly comprises: Two T-shaped slide grooves (507) are respectively provided inside the two guide slide blocks (501); Two T-shaped bars (508) are respectively arranged on one side of the second connecting bar (5) and the first connecting bar (304), and the two T-shaped bars (508) are respectively slidably installed in the two T-shaped sliding grooves (507).

7. The lead screw guide rail dustproof assembly according to claim 1, characterized in that: The support structure also includes a positioning assembly arranged on the support link 1 (502) and the support link 2 (503), which is used to ensure that the support link 1 (502) and the support link 2 (503) maintain linear movement.

8. A lead screw guide rail dustproof assembly according to claim 7, characterized in that: The positioning component includes: A connecting shaft (504) is rotatably mounted inside the first supporting link (502) and the second supporting link (503); A guide rod (505) is arranged at one end of the connecting shaft (504); Two guide slots (506) are provided on the inner walls of both sides of the lead screw guide rail (1), and the two ends of the guide rod (505) are respectively slidably mounted in the two guide slots (506).

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