CN220578159U - Adjustable-width chain transmission mechanism - Google Patents

Abstract

The utility model discloses a width-adjustable chain transmission mechanism which comprises two side frames which are arranged in parallel, wherein the two side frames are connected through a plurality of cross beams, the cross beams are in an upper group and a lower group, the cross beams of each group are positioned at the same height, the upper end and the lower end of one side frame are fixedly connected with a fixed frame, the fixed frame corresponds to the cross beams, a movable frame corresponding to the fixed frame is movably arranged above one end, far away from the fixed frame, of each of the upper group and the lower group of cross beams, and telescopic fixed shafts are rotatably connected at two ends between the fixed frame and the movable frame. This adjustable chain transmission mechanism of width fixes in the side frame through the mount that sets up, removes frame swing joint on the crossbeam, and the setting of cooperation auxiliary frame, lead screw, traction plate, traction lever, hand wheel and telescopic fixed axle can realize removing the regulation of frame and mount interval, adaptable different demands, saves the cost, has improved efficiency.

Description

Adjustable-width chain transmission mechanism

Technical Field

The utility model relates to the field of chain transmission devices, in particular to a width-adjustable chain transmission mechanism.

Background

The chain is generally a metal chain ring or ring, is mostly used for mechanical transmission and traction, is used for blocking chain-shaped objects of traffic channels, such as chains for mechanical transmission in streets, rivers or estuary entrances, has a plurality of types, and is mostly composed of chain plates, chain pins, shaft sleeves and the like.

Currently, chain transmission apparatuses are widely used in production operations, and generally mainly include: the device comprises a frame, a motor, a shaft, a chain wheel, a chain and the like, wherein the shaft is fixed on the frame and is driven to rotate by the motor, the chain wheel is fixed at two ends of the shaft, and the chain is meshed with the chain wheel, so that the operation of conveying articles is realized. However, the distance between two chains in the prior art is generally constant, and different chain conveying devices are required for conveying articles with different sizes, so that the cost is greatly increased, and the efficiency is affected.

Therefore, it is necessary to provide a width-adjustable chain transmission mechanism to solve the above-mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide a width-adjustable chain transmission mechanism which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a width adjustable chain transmission mechanism, includes two parallel arrangement's side frame, two connect through a plurality of crossbeams between the side frame, the crossbeam is two sets of from top to bottom, and the crossbeam of every group is in same height, one of them the equal fixedly connected with mount of upper end and lower extreme of side frame, and mount and crossbeam correspond, and the equal activity of one end top that upper and lower two sets of crossbeams kept away from the mount is provided with the movable frame that corresponds with the mount, the mount is connected with telescopic fixed axle with the equal rotation in both ends between the movable frame, keeps away from be provided with the adjusting part that corresponds with the movable frame in the side frame of mount, and then adjust the distance between movable frame and the mount.

Preferably, the telescopic fixed shaft includes: the first rotating shaft is rotationally connected with the fixing frame, an adjusting shaft is integrally formed at one end, far away from the fixing frame, of the first rotating shaft, a second rotating shaft corresponding to the first rotating shaft is rotationally connected to the moving frame, and an adjusting groove corresponding to the adjusting shaft is formed at one end, far away from the moving frame, of the second rotating shaft.

Preferably, the longitudinal sections of the adjusting shaft and the adjusting groove are regular polygons, and one end of the adjusting shaft far away from the first rotating shaft is movably connected to the inner side of the adjusting groove.

Preferably, the adjusting part includes: the auxiliary frame is fixed in keeping away from in the side frame of mount, rotate between auxiliary frame and the side frame and be connected with the lead screw, the one end that the side frame was kept away from to the lead screw extends to the outside of auxiliary frame and is provided with the hand wheel, screw-thread fit has the traction plate on the lead screw, the both ends symmetry that the traction plate was close to side frame one side is provided with the traction lever, the traction lever is fixed connection with the side of removing the frame, and then rotates the displacement that the hand wheel can drive the removal frame.

Preferably, guide rods are symmetrically arranged at two ends of the outer side of the movable frame; the guide rod is movably connected with the side frame through a linear bearing; guide convex blocks are symmetrically arranged at two ends of the bottom of the movable frame, and a guide groove is formed in the top of the cross beam at the upper end; the guide convex blocks are movably connected to the inner sides of the guide grooves.

Preferably, the side surface and the bottom of the guide lug are movably provided with balls, and the balls are in rolling fit with the inner wall of the guide groove.

Preferably, a gear motor for driving one of the telescopic fixed shafts to rotate is arranged outside one end of the fixed frame.

Advantageous effects

Compared with the prior art, the utility model provides the width-adjustable chain transmission mechanism, which has the following beneficial effects:

1. this adjustable chain transmission mechanism of width fixes in the side frame through the mount that sets up, removes frame swing joint on the crossbeam, and the setting of cooperation auxiliary frame, lead screw, traction plate, traction lever, hand wheel and telescopic fixed axle can realize removing the regulation of frame and mount interval, adaptable different demands, saves the cost, has improved efficiency.

2. This adjustable chain transmission mechanism of width passes through linear bearing cooperation through the guide bar that sets up with the side frame, and guide groove and direction lug clearance fit, and then realizes the direction to the movable frame, has increased stability, can reduce the frictional force of direction lug and guide groove inner wall through the ball that sets up.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is an exploded view of the telescoping stationary shaft of the present utility model;

FIG. 4 is a schematic view of the interface structure of the guide bump of the present utility model.

In the figure: 1. a side frame; 2. a cross beam; 3. a fixing frame; 4. a moving rack; 5. a speed reducing motor; 6. a retractable fixed shaft; 7. an auxiliary frame; 8. a screw rod; 9. a traction plate; 10. a traction rod; 11. a hand wheel; 12. a guide rod; 13. a guide groove; 14. a guide projection; 15. a first rotation shaft; 16. an adjusting shaft; 17. an adjustment tank; 18. a second rotation shaft; 19. a spring; 20. and (3) rolling balls.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a width-adjustable chain transmission mechanism comprises two side frames 1 which are arranged in parallel, the two side frames 1 are connected through a plurality of cross beams 2, each cross beam 2 is in an upper group and a lower group, the cross beams 2 of each group are positioned at the same height, the upper end and the lower end of one side frame 1 are fixedly connected with a fixing frame 3, the fixing frame 3 corresponds to the cross beams 2, a movable frame 4 corresponding to the fixing frame 3 is movably arranged above one end of the upper group and the lower group of cross beams 2, telescopic fixed shafts 6 are rotatably connected to two ends between the fixing frame 3 and the movable frame 4, a speed reducing motor 5 for driving one of the telescopic fixed shafts 6 to rotate is arranged outside one end of the fixing frame 3, an adjusting part corresponding to the movable frame 4 is arranged on the side frame 1 far away from the fixing frame 3, and then the distance between the movable frame 4 and the fixing frame 3 is adjusted.

The retractable fixed shaft 6 includes: the first rotation axis 15 that is connected with the mount 3 rotation, the one end integrated into one piece that the mount 3 was kept away from to first rotation axis 15 has regulating spindle 16, the last rotation of moving frame 4 is connected with the second rotation axis 18 that corresponds with first rotation axis 15, the regulating tank 17 that corresponds with regulating spindle 16 has been seted up to the one end that the moving frame 4 was kept away from to second rotation axis 18, the longitudinal section of regulating spindle 16 and regulating tank 17 is regular polygon, and the one end swing joint in regulating tank 17's that the regulating spindle 16 kept away from first rotation axis 15 inboard.

The adjusting part includes: fix auxiliary frame 7 on the side frame 1 of keeping away from mount 3, rotate between auxiliary frame 7 and the side frame 1 and be connected with lead screw 8, the one end that side frame 1 was kept away from to lead screw 8 extends to the outside of auxiliary frame 7 and is provided with hand wheel 11, screw-thread fit has traction plate 9 on the lead screw 8, the both ends symmetry that traction plate 9 is close to side frame 1 one side is provided with traction lever 10, traction lever 10 and the side fixed connection of movable frame 4, and then rotatory hand wheel 11 can drive the displacement of movable frame 4.

Further, two ends of the outer side of the movable frame 4 are symmetrically provided with guide rods 12; the guide rod 12 is movably connected with the side frame 1 through a linear bearing; guide lugs 14 are symmetrically arranged at two ends of the bottom of the movable frame 4, and a guide groove 13 is formed in the top of the cross beam 2 at the upper end; the guide projection 14 is movably connected to the inner side of the guide groove 13.

Further, the side and bottom of the guide projection 14 are movably provided with balls 20, and the balls 20 are in rolling engagement with the inner wall of the guide groove 13.

It should be noted that the utility model is a width-adjustable chain transmission mechanism, when in use, the hand wheel 11 is rotated when the distance between the movable frame 4 and the fixed frame 3 is required to be adjusted, the hand wheel 11 drives the screw rod 8 to rotate, the screw rod 8 drives the traction plate 9 to displace, the traction plate 9 drives the movable frame 4 to displace through the traction rod 10, further the distance is changed, the chain wheel is fixed at two ends of the telescopic fixed shaft 6, the chain is fixed on the chain wheel, further the distance between the two chains is changed, the guide rod 12 is matched with the side frame 1 through a linear bearing, the guide groove 13 is movably matched with the guide lug 14, further the guide of the movable frame 4 is realized, the stability is increased, and the friction force between the guide lug 14 and the inner wall of the guide groove 13 can be reduced through the arranged ball 20.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an adjustable chain transmission mechanism of width, includes two parallel arrangement's side frame (1), its characterized in that: two connect through a plurality of crossbeams (2) between side frame (1), crossbeam (2) are two sets of from top to bottom, and crossbeam (2) of every group are in same height, one of them the equal fixedly connected with mount (3) of upper end and lower extreme of side frame (1), and mount (3) correspond with crossbeam (2), and the equal activity in one end top that mount (3) were kept away from to two sets of crossbeams (2) is provided with movable frame (4) that correspond with mount (3), both ends between mount (3) and movable frame (4) all rotate and are connected with telescopic fixed axle (6), keep away from be provided with on side frame (1) of mount (3) with the regulating part that movable frame (4) corresponds, and then adjust the distance between movable frame (4) and mount (3).

2. The width adjustable chain transmission mechanism of claim 1, wherein: the telescopic fixed shaft (6) comprises: with mount (3) rotate first rotation axis (15) of being connected, one end integrated into one piece that mount (3) was kept away from to first rotation axis (15) has regulating spindle (16), it is connected with second rotation axis (18) that correspond with first rotation axis (15) to rotate on moving frame (4), second rotation axis (18) keep away from one end of moving frame (4) and have seted up adjustment tank (17) that correspond with regulating spindle (16).

3. A width adjustable chain transfer mechanism as set forth in claim 2, wherein: the longitudinal sections of the adjusting shaft (16) and the adjusting groove (17) are regular polygons, and one end of the adjusting shaft (16) far away from the first rotating shaft (15) is movably connected to the inner side of the adjusting groove (17).

4. The width adjustable chain transmission mechanism of claim 1, wherein: the adjusting part includes: fix auxiliary frame (7) on the side frame (1) of keeping away from mount (3), rotate between auxiliary frame (7) and side frame (1) and be connected with lead screw (8), the one end that side frame (1) was kept away from to lead screw (8) extends to the outside of auxiliary frame (7) and is provided with hand wheel (11), screw-thread fit has traction plate (9) on lead screw (8), traction plate (9) are close to both ends symmetry of side frame (1) one side and are provided with traction lever (10), traction lever (10) and the side fixed connection of removing frame (4), and then rotatory hand wheel (11) can drive the displacement of removing frame (4).

5. The width adjustable chain transmission mechanism as set forth in claim 4, wherein: guide rods (12) are symmetrically arranged at two ends of the outer side of the movable frame (4); the guide rod (12) is movably connected with the side frame (1) through a linear bearing; guide lugs (14) are symmetrically arranged at two ends of the bottom of the movable frame (4), and a guide groove (13) is formed in the top of the cross beam (2) at the upper end; the guide lug (14) is movably connected to the inner side of the guide groove (13).

6. The width adjustable chain transmission mechanism as set forth in claim 5, wherein: the side and bottom of the guide lug (14) are movably provided with balls (20), and the balls (20) are in rolling fit with the inner wall of the guide groove (13).

7. The width adjustable chain transmission mechanism as set forth in claim 5, wherein: a gear motor (5) for driving one of the telescopic fixed shafts (6) to rotate is arranged outside one end of the fixed frame (3).