Sealing structure and guide rail thereof

Abstract

The utility model discloses a sealing structure and a guide rail thereof, and the sealing structure comprises a supporting plate; the number of the supporting plates is two, and the two supporting plates are arranged in parallel in a spaced mode. The number of the belt rollers is two, the two belt rollers are both arranged between the two supporting plates, and the two ends of each belt roller are rotationally arranged on the two supporting plates correspondingly; the conveying belt is arranged outside the two belt rollers in a sleeving mode, and the conveying belt is matched with the belt rollers; the moving seat penetrates through the conveying belt; the adjacent sides of the two supporting plates are each provided with the corresponding annular protruding strip, and the inner ring face of the conveying belt makes contact with the outer sides of the annular protruding strips. Performance can be improved conveniently, and meanwhile the service life can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical drive technical field, concretely is a kind of sealing structure and guide rail thereof. BACKGROUND

[0002] In automation equipment, screw rod guide rail as common transmission structure, it has vital role;However, the nut and screw rod of existing screw rod guide rail device are usually exposed in outside environment, dust or impurities in air can enter between screw rod and nut, leading to increased friction resistance, increased energy loss;It also accelerates the wear between screw rod and nut, thereby reduces service life. SUMMARY

[0003] The utility model discloses a kind of sealing structure and guide rail thereof, to solve the problems raised in the above background technology.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of sealing structure, comprising: support plate;The support plate has two, two The support plate is parallel and interval arrangement;Belt roller, the belt roller has two, two The belt roller is all set between two support plates, and the both ends of each belt roller are respectively rotationally arranged on two support plates;Conveying belt, the conveying belt is set on the outside of two belt rollers, and the conveying belt is compatible with the belt roller;Mobile seat, the mobile seat penetrates the conveying belt;Annular convex strip, two The support plate adjacent side is all provided with the annular convex strip, and the inner annular surface of the conveying belt and the outer side of the annular convex strip are contacted.

[0005] Further, two annular protrusions are provided on the inner annular surface of the conveying belt, and two annular clamping grooves are provided on the belt roller, and the two annular protrusions are respectively matched in the two annular clamping grooves.

[0006] Further, the mobile seat comprises: a connecting portion, the connecting portion penetrates the conveying belt, and a part of the connecting portion is located inside the conveying belt;Supporting portion, the supporting portion is provided on the connecting portion, and the supporting portion is located outside the conveying belt;Wherein, the conveying belt is provided with a bayonet, the connecting portion passes through the bayonet, and the connecting portion is fixedly connected with the conveying belt.

[0007] A guide rail comprising the above sealing structure further comprises: a sealing box, the sealing box is provided on one of the support plates, and the support plate is provided with an opening, the sealing box is provided at the edge of the opening;Connecting block, the connecting block is fixedly connected with the connecting portion;Moving mechanism, the moving mechanism is connected with the connecting block, and the moving mechanism is used to drive the linear motion of the connecting block.

[0008] Further, the moving mechanism comprises a sliding nut located in the sealed box and fixedly connected with the connecting block, and a driving assembly for driving the sliding nut to move linearly.

[0009] Further, the driving assembly comprises a linear slide rail matched with the sliding nut, a fixed strip fixedly arranged on a support plate connected with the sealed box and on which the linear slide rail is arranged, a lead screw rotatably arranged on the sealed box, penetrating through the sliding nut and threadedly connected with the sliding nut, and a driving motor arranged on the sealed box and having an output shaft fixedly connected with one end of the lead screw.

[0010] Compared with the prior art, the whole guide rail structure has good sealing performance, can avoid dust or impurities from entering between the lead screw and the sliding nut, thereby ensuring good cooperation between the lead screw and the sliding nut and improving the performance of the guide rail. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present application, constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0012] Figure 1 is a schematic view of the whole structure of the embodiment one of the present application;

[0013] Figure 2 is a schematic view of the cooperation of the moving seat, the belt roller and the conveying belt of the embodiment one of the present application;

[0014] Figure 3 is a schematic view of the moving seat structure of the embodiment one of the present application;

[0015] Figure 4 is a schematic view of the conveying belt structure of the embodiment one of the present application;

[0016] Figure 5 is a schematic view of the installation of the annular convex strip of the embodiment one of the present application;

[0017] Figure 6 is a schematic view of the cooperation of the annular convex and the annular clamping groove of the embodiment two of the present application;

[0018] Figure 7 is a schematic view of the belt roller structure of the embodiment two of the present application;

[0019] Figure 8 is a schematic view of the whole structure of the embodiment three of the present application;

[0020] Figure 9 is the sliding block nut, driving assembly and connecting block cooperation schematic view of the utility model embodiment three;

[0021] Figure 10 is the driving assembly and sliding block nut cooperation schematic view of the utility model embodiment three;

[0022] In the drawing: 1, support plate; 11, opening; 2, conveying belt; 21, bayonet; 22, annular protrusion; 3, moving seat; 31, connecting part; 32, support part; 4, belt roller; 41, annular clamping groove; 5, circular ring convex strip; 6, sealing box; 7, moving mechanism; 71, sliding block nut; 72, driving assembly; 721, linear slide rail; 722, fixed strip; 723, screw rod; 724, driving motor; 8, connecting block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one

[0025] Please refer to Figures 1-5 The utility model provides technical scheme: a sealing structure, including two support plates 1, two support plates 1 parallel and interval arrangement are set up; between two support plates 1 is provided with conveying belt 2, and the side of two support plates 1 adjacent has a circular ring convex strip 5 respectively, and the position of two circular ring convex strips 5 corresponds, and circular ring convex strip 5 is adapted to conveying belt 2, and the outside of two circular ring convex strips 5 all is contacted with the inner ring surface of conveying belt 2, namely the inner ring surface of conveying belt 2 is pressed on circular ring convex strip 5, improves the sealing property between conveying belt 2 and circular ring convex strip 5.

[0026] At the same time, two support plates 1 between is provided with two belt rollers 4, and two belt rollers 4 parallel and interval arrangement are set up; the both ends of each belt roller 4 are connected in two support plates 1 through sealing bearing swing respectively; conveying belt 2 is set up in two belt rollers 4 outside cooperation, and belt roller 4 is adapted to conveying belt 2.

[0027] The moving seat 3 is arranged on the conveying belt 2 and is composed of a connecting part 31 and a supporting part 32; the connecting part 31 penetrates the conveying belt 2; specifically, a bayonet 21 is arranged on the upper part of the conveying belt 2, the connecting part 31 passes through the bayonet 21, and the connecting part 31 is matched with the bayonet 21; the connecting part 31 is fixedly connected with the conveying belt 2, and the connecting part 31 is also sealingly connected with the bayonet 21; in addition, a part of the connecting part 31 is located inside the conveying belt 2, and the supporting part 32 is located outside the conveying belt 2.

[0028] In the embodiment, the conveying belt 2 is pressed against the annular convex strip 5, so that a sealing structure is formed between the conveying belt 2 and the two supporting plates 1; at the same time, the moving part is sealingly connected with the conveying belt 2; because the conveying belt 2 is matched with the belt roller 4 and can move, the moving seat 3 can move.

[0029] Embodiment two

[0030] Please refer to Figure 6 and Figure 7 , based on the first embodiment, two annular protrusions 22 are arranged on the inner annular surface of the conveying belt 2; two annular clamping grooves 41 are arranged on each belt roller 4, the annular clamping grooves 41 are coaxial with the belt roller 4, and the two annular protrusions 22 are matched in the two annular clamping grooves 41 respectively.

[0031] In the embodiment, the annular protrusions 22 are matched with the annular clamping grooves 41, which improves the matching degree of the conveying belt 2 and the belt roller 4, and also avoids the position deviation of the conveying belt 2 during movement.

[0032] Embodiment three

[0033] Please refer to Figures 8-10 , based on the second embodiment, the embodiment discloses a guide rail, which uses the sealing structure in the second embodiment; further comprising a sealing box 6, the sealing box 6 is fixedly arranged on one supporting plate 1, an opening 11 is arranged through the supporting plate 1, the sealing box 6 corresponds to the position of the opening 11, the sealing box 6 is located at the edge of the opening 11, that is, the sealing box 6 just covers the opening 11, and at the same time, the sealing space composed of the supporting plate 1, the conveying belt 2 and the like is connected through the opening 11; the connecting block 8 is fixedly connected with the connecting part 31, and in addition, a moving mechanism 7 is used to drive the connecting block 8 to move linearly, so as to drive the moving seat 3 to move linearly.

[0034] The moving mechanism 7 comprises a sliding block nut 71, the sliding block nut 71 is located in the sealing box 6, and the sliding block nut 71 is fixedly connected with the connecting block 8; the moving mechanism 7 further comprises a driving assembly 72, the driving assembly 72 drives the sliding block nut 71 to move linearly.

[0035] The driving assembly 72 comprises a linear slide rail 721, the length direction of the linear slide rail 721 is consistent with the length direction of the flat part of the conveying belt 2; the linear slide rail 721 is fixed on a fixed strip 722, and the fixed strip 722 is fixed on the support plate 1 provided with the opening 11; a part of the sliding block nut 71 is located in the opening 11, and the sliding block nut 71 is matched on the linear slide rail 721, that is, the sliding block nut 71 can move linearly along the length direction of the linear slide rail 721; the driving assembly 72 further comprises a driving motor 724 and a screw rod 723, the length direction of the screw rod 723 is consistent with the length direction of the linear slide rail 721, the screw rod 723 is movably arranged on the sealing box 6 through a sealing bearing, the screw rod 723 penetrates through the sliding block nut 71, and the screw rod 723 is threadedly connected with the sliding block nut 71; the driving motor 724 is installed on the outer wall of one side of the sealing box 6, and the output shaft of the driving motor 724 is fixedly connected with one end of the screw rod 723; that is, the screw rod 723 is driven to rotate by the driving motor 724, and the sliding block nut 71 is matched with the linear slide rail 721, so that the sliding block nut can be driven to move linearly along the length direction of the linear slide rail 721.

[0036] In the embodiment, the sliding block nut 71 is driven to move linearly by driving the screw rod 723 to rotate by the driving motor 724, and since the connecting block 8 is connected between the sliding block nut 71 and the moving base 3, the moving base 3 can be driven to move linearly, and the conveying belt 2 is also driven to move; when the article or structure to be driven is arranged on the support part 32, the conduction effect can be achieved, and in the moving process, the entire guide rail structure has good sealing performance, so that dust or impurities cannot enter between the screw rod 723 and the sliding block nut 71, thereby ensuring that the screw rod 723 and the sliding block nut 71 are well matched, and the performance of the guide rail is improved.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sealing structure, characterized in that, include: Support plate (1); there are two support plates (1), which are parallel and spaced apart; Belt roller (4), there are two belt rollers (4), both belt rollers (4) are disposed between the two support plates (1), and the two ends of each belt roller (4) are respectively rotatably disposed on the two support plates (1); A conveyor belt (2) is fitted over the two belt rollers (4) and the conveyor belt (2) is adapted to the belt rollers (4); A movable seat (3) that penetrates the conveyor belt (2); The circular protrusion (5) is provided on one side of each of the two support plates (1), and the inner ring surface of the conveyor belt (2) is in contact with the outer side of the circular protrusion (5).

2. The sealing structure according to claim 1, characterized in that, The inner ring surface of the conveyor belt (2) is provided with two annular protrusions (22), and the belt roller (4) is provided with two annular grooves (41). The two annular protrusions (22) are respectively engaged in the two annular grooves (41).

3. The sealing structure according to claim 1, characterized in that, The movable seat (3) includes: A connecting part (31) penetrates the conveyor belt (2), and a portion of the connecting part (31) is located inside the conveyor belt (2); A support part (32) is disposed on the connecting part (31) and the support part (32) is located outside the conveyor belt (2); The conveyor belt (2) is provided with a bayonet (21), the connecting part (31) passes through the bayonet (21), and the connecting part (31) is fixedly connected to the conveyor belt (2).

4. A guide rail, characterized in that, Including the sealing structure as described in any one of claims 1 to 3, further comprising: A sealing box (6) is disposed on one of the support plates (1), the support plate (1) having an opening (11), and the sealing box (6) being disposed at the edge of the opening (11); A connecting block (8) is fixedly connected to the connecting part (31); A moving mechanism (7) is connected to the connecting block (8) and is used to drive the connecting block (8) to move linearly.

5. A guide rail according to claim 4, characterized in that, The moving mechanism (7) includes: A slider nut (71) is located inside the sealing box (6) and is fixedly connected to the connecting block (8); A drive assembly (72) drives the slider nut (71) to move linearly.

6. A guide rail according to claim 5, characterized in that, The drive component (72) includes: Linear slide rail (721), wherein the slider nut (71) cooperates with the linear slide rail (721); A fixing strip (722) is fixedly mounted on a support plate (1) connected to a sealing box (6), and a linear slide rail (721) is mounted on the fixing strip (722); A lead screw (723) is rotatably mounted on the sealing box (6), the lead screw (723) passes through the slider nut (71), and the lead screw (723) is threadedly connected to the slider nut (71); A drive motor (724) is mounted on the sealed box (6), and the output shaft of the drive motor (724) is fixedly connected to one end of the lead screw (723).

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