CN214933259U

CN214933259U - Automatic change guiding mechanism of transfer chain

Info

Publication number: CN214933259U
Application number: CN202120647885.XU
Authority: CN
Inventors: 李志丹
Original assignee: Beijing Ruitong Dacheng Automation Equipment Co ltd
Current assignee: Beijing Ruitong Dacheng Automation Equipment Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-30
Anticipated expiration: 2031-03-30

Abstract

The application relates to a guide mechanism of automatic change transfer chain, including fixing base and leading wheel, wherein the fixing base be used for with conveyer belt frame fixed mounting, the fixing base is fixed with fixed sleeve, the leading wheel coaxial fixation has the insertion axis of rotation in the fixed sleeve, the axis of rotation with the fixed sleeve rotates to be connected. This application is through setting up rotatable leading wheel for rolling friction between leading wheel and the chain, the frictional force that the chain received is less promptly, thereby greatly reduced the wearing and tearing to the chain.

Description

Automatic change guiding mechanism of transfer chain

Technical Field

The application relates to a guide mechanism of an automatic conveying line.

Background

The conveying device is a device for conveying materials, is applied to various fields, such as automatic production and processing, logistics and the like, and can greatly improve the operation efficiency.

The conveyer belt of correlation technique passes through drive sprocket, driven sprocket and chain cooperation in order to realize the transmission to in correlation technique, often be equipped with the guide block in the conveyer belt frame, the guide block is used for leading to the direction of transmission of chain, so that drive the conveyer belt better to the chain and carry.

However, the guide block and the chain are easily worn, so that the transmission of the chain is affected.

SUMMERY OF THE UTILITY MODEL

In order to reduce the wearing and tearing to the chain, this application provides a guiding mechanism of automatic transfer chain.

The application provides a pair of automatic change guiding mechanism of transfer chain adopts following technical scheme:

the utility model provides an automatic change guiding mechanism of transfer chain, includes fixing base and leading wheel, wherein the fixing base be used for with conveyer belt frame fixed mounting, the fixing base is fixed with fixed sleeve, the leading wheel coaxial fixation have insert axis of rotation in the fixed sleeve, the axis of rotation with the fixed sleeve rotates to be connected.

By adopting the technical scheme, the rotatable guide wheel is arranged, so that rolling friction is formed between the guide wheel and the chain, namely, the sliding friction borne by the original chain is changed into rolling friction, so that the friction force borne by the chain is smaller, and the abrasion to the chain is greatly reduced; in addition, the stress transmission area between the fixed sleeve and the rotating shaft is large, so that the supporting effect of the guide wheel can be improved.

Optionally, chamfers are arranged at junctions between the outer peripheral surface of the guide wheel and the two end surfaces of the guide wheel.

By adopting the technical scheme, the edge stress concentration generated when the peripheral surface of the guide wheel is contacted with the chain can be reduced, so that the damage to the chain and the guide wheel is reduced.

Optionally, the rotating shaft and the fixed sleeve are rotatably connected through bearings, and the number of the bearings is two.

By adopting the technical scheme, firstly, the rotation fluency of the rotating shaft can be improved; secondly, due to the arrangement of the double bearings, the stress transmission area between the fixed sleeve and the rotating shaft can be increased, so that the supporting effect on the guide wheel can be improved; thirdly, when one bearing is eccentrically worn, the other bearing can also support the guide wheel, so that the position deviation of the guide wheel is reduced.

Optionally, one of the bearings is named a first bearing, and the other bearing is named a second bearing; the inner ring of the first bearing and the inner ring of the second bearing are both positioned on the step grooves, and the side surface of the inner ring of the second bearing abuts against the groove wall of the step groove.

By adopting the technical scheme, the baffle shoulder and the groove wall of the step groove can simultaneously carry out axial limiting on the double bearings, so that the position precision between the rotating shaft and the fixed sleeve is ensured; and also facilitates the mounting of the bearing.

Optionally, a connecting rod is fixed to the free end of the rotating shaft, a limiting plate is fixed to the connecting rod, and the limiting plate abuts against the side face, deviating from the guide wheel, of the fixing seat.

Through adopting above-mentioned technical scheme, spacing through the limiting plate can restrict the axial displacement of axis of rotation to reduce the axis of rotation and take place along the condition that the axial breaks away from fixed sleeve, thereby ensure that the direction effect of leading wheel is stable.

Optionally, the connecting rod is fixedly connected with the rotating shaft through threads, and the screwing direction of the connecting rod is opposite to the rotating direction of the guide wheel.

By adopting the technical scheme, the threaded connection form is stable, the connection strength of the connecting rod and the rotating shaft can be ensured, and the limiting effect of the limiting plate can be ensured; and, when the leading wheel drove the limiting plate and rotates, pivoted limiting plate will and the fixing base side between produce rotational friction, and this frictional force forces the limiting plate to rotate to the connecting rod of screwing, thereby the reduction leads to the connecting rod to loosen the condition emergence that breaks away from the axis of rotation because of frictional force, in order to ensure the spacing effect of limiting plate.

Optionally, the limiting plate with the butt position of fixing base is equipped with footstep bearing, footstep bearing's axle center is on a parallel with the axle center of axis of rotation.

Through adopting above-mentioned technical scheme, when the leading wheel drove the limiting plate and rotates, pivoted limiting plate will with the fixing base side between produce rotational friction, and footstep bearing can reduce this rotational friction power to it is difficult to smooth and easy rotation emergence to reduce because of this frictional force and leading wheel.

Optionally, the side of the fixing seat, which deviates from the guide wheel, is provided with a ring sleeve, the ring sleeve is coaxially arranged with the fixing sleeve, the limiting plate is a circular plate, and the limiting plate is rotatably connected with the ring sleeve through a third bearing.

Through adopting above-mentioned technical scheme, the third bearing plays the effect of supporting the connecting rod to improve the axiality of connecting rod and axis of rotation, thereby reduce and lead to the condition emergence that the leading wheel rotated unsmoothly because of the connecting rod is eccentric.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the rotatable guide wheel, rolling friction is formed between the guide wheel and the chain, namely the friction force borne by the chain is small, so that the abrasion to the chain is greatly reduced;

by arranging the double bearings, when one bearing generates eccentric wear, the other bearing can also support the guide wheel, so that the situation of position deviation of the guide wheel is reduced;

the limiting plate is limited, so that the axial displacement of the rotating shaft can be limited, and the situation that the rotating shaft is separated from the fixing sleeve along the axial direction is reduced.

Drawings

Fig. 1 is a schematic structural view of a conveyor belt frame of embodiment 1.

Fig. 2 is a schematic view of the entire structure of the guide mechanism of embodiment 1.

Fig. 3 is a sectional view of the entire structure of embodiment 1.

Fig. 4 is a sectional view of the entire structure of embodiment 2.

Description of reference numerals: 1. a fixed seat; 2. a guide wheel; 3. fixing the sleeve; 4. a rotating shaft; 10. a conveyor belt frame; 101. a guide mechanism; 11. sleeving a ring; 21. chamfering; 31. a shoulder block; 41. a step groove; 42. a threaded hole; 51. a first bearing; 52. a second bearing; 53. a clamp spring; 61. a connecting rod; 62. a limiting plate; 63. a thrust bearing; 64. and a third bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment 1 of the present application discloses a guide mechanism 101 of an automatic conveying line, as shown in fig. 1, which is mounted on a conveyor belt frame 10 for guiding a chain.

As shown in fig. 2, the guide mechanism 101 of the automatic conveying line includes a fixed seat 1 and a guide wheel 2, wherein the fixed seat 1 is fixedly connected with a conveyor belt rack 10, a fixed sleeve 3 is fixed on a side surface of the fixed seat 1, and an axis of the fixed sleeve 3 is perpendicular to a conveying direction of the conveyor belt; the junction between the outer peripheral surface of leading wheel 2 and the both ends face all is equipped with chamfer 21, and the terminal surface coaxial fixed axis of rotation 4 of leading wheel 2, and axis of rotation 4 inserts in fixed sleeve 3, and rotates through the bearing between axis of rotation 4 and the fixed sleeve 3 and be connected.

When the chain guide device is used, the peripheral surface of the guide wheel 2 is abutted to the chain to guide the chain, and the friction force borne by the chain is small due to the rolling friction between the guide wheel 2 and the chain, so that the abrasion to the chain is greatly reduced.

As shown in fig. 3, the two bearings are provided, one of which is designated as a first bearing 51 and the other is designated as a second bearing 52, and the two bearings can increase the force transmission area between the fixed sleeve 3 and the rotating shaft 4, thereby improving the supporting effect of the guide wheel 2, and when one of the bearings is eccentrically worn, the other bearing can support the guide wheel 2, thereby reducing the occurrence of the position deviation of the guide wheel 2.

As shown in fig. 3, the outer peripheral surface of the free end of the rotating shaft 4 is provided with an annular stepped groove 41, the inner rings of the first bearing 51 and the second bearing 52 are both positioned on the stepped groove 41, and the side surface of the inner ring of the second bearing 52 abuts against the groove wall of the stepped groove 41; an annular blocking shoulder 31 is convexly constructed at one end of the inner circumferential surface of the fixed sleeve 3, which is far away from the guide wheel 2, and the side surface of the outer ring of the first bearing 51, which is far away from the guide wheel 2, abuts against the side surface of the blocking shoulder 31, that is, the blocking shoulder 31 and the groove wall of the step groove 41 simultaneously axially limit the two bearings, so that the structural stability of the whole structure is ensured.

Furthermore, a snap spring 53 is further snapped on the inner circumferential surface of the fixed sleeve 3, and a side surface of the snap spring 53 abuts against a side surface of the outer ring of the second bearing 52, which is far away from the first bearing 51, so as to axially limit the second bearing 52.

In order to reduce the axial displacement of the rotating shaft 4 in the direction away from the fixed seat 1, a connecting rod 61 is coaxially fixed at the free end of the rotating shaft 4, and the specific connection form can be threaded connection or integrated forming, in this embodiment, the threaded connection is selected, that is, a threaded hole 42 is formed in the axis of the free end of the rotating shaft 4, the connecting rod 61 is in threaded fit with the threaded hole 42, the end of the connecting rod 61 reaches the bottom of the threaded hole 42, and the screwing direction of the connecting rod 61 is opposite to the rotating direction of the guide wheel 2; fixing base 1 is passed to the one end of keeping away from leading wheel 2 of connecting rod 61, and the this end is fixed with limiting plate 62, and limiting plate 62's side butt in the side that deviates from leading wheel 2 of fixing base 1, and is spacing through limiting plate 62 promptly, can restrict the axial displacement of axis of rotation 4.

Embodiment 2 is configured in such a manner that, based on embodiment 1, as shown in fig. 4, the stopper plate 62 has a circular structure, the thrust bearing 63 is provided at the abutting position between the stopper plate 62 and the fixed seat 1, the axial center of the thrust bearing 63 is parallel to the axial center of the rotating shaft 4, and the thrust bearing 63 can reduce the friction between the rotating stopper plate 62 and the side surface of the fixed seat 1, thereby reducing the wear of the stopper plate 62 and ensuring the smooth rotation of the guide wheel 2.

Moreover, a ring sleeve 11 is fixed on the side surface of the fixed seat 1 away from the guide wheel 2, the ring sleeve 11 and the fixed sleeve 3 are coaxially arranged, and the outer peripheral surface of the limit plate 62 is connected with the inner peripheral surface of the ring sleeve 11 through a third bearing 64, namely the coaxiality of the connecting rod 61 and the rotating shaft 4 is improved; also, the third bearing 64 may be an angular contact ball bearing to facilitate installation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic change guiding mechanism of transfer chain which characterized in that: including fixing base (1) and leading wheel (2), wherein fixing base (1) be used for with conveyer belt frame (10) fixed mounting, fixing base (1) is fixed with fixed sleeve (3), leading wheel (2) coaxial fixation have insert axis of rotation (4) in fixed sleeve (3), axis of rotation (4) with fixed sleeve (3) rotate and are connected.

2. The guide mechanism of an automated conveyor line according to claim 1, wherein: chamfers (21) are arranged at the junctions between the outer peripheral surface of the guide wheel (2) and the two end surfaces.

3. The guide mechanism of an automated conveyor line according to claim 1, wherein: the rotating shaft (4) is rotatably connected with the fixed sleeve (3) through two bearings.

4. The guide mechanism of an automated conveyor line according to claim 3, wherein: one of said bearings is named as a first bearing (51) and the other bearing is named as a second bearing (52); a retaining shoulder (31) is convexly constructed at one end, far away from the guide wheel (2), of the inner circumferential surface of the fixed sleeve (3), the side surface of the outer ring of the first bearing (51) abuts against the side surface of the retaining shoulder (31), an annular step groove (41) is formed in the outer circumferential surface of the free end of the rotating shaft (4), the inner rings of the first bearing (51) and the second bearing (52) are located on the step groove (41), and the side surface of the inner ring of the second bearing (52) abuts against the groove wall of the step groove (41).

5. The guide mechanism of an automated conveyor line according to claim 1, wherein: the free end of axis of rotation (4) is fixed with connecting rod (61), connecting rod (61) are fixed with limiting plate (62), limiting plate (62) butt in the deviating from of fixing base (1) the side of leading wheel (2).

6. The guide mechanism of an automated conveyor line according to claim 5, wherein: the connecting rod (61) is fixedly connected with the rotating shaft (4) through threads, and the screwing direction of the connecting rod (61) is opposite to the rotating direction of the guide wheel (2).

7. The guide mechanism of an automated conveyor line according to claim 5, wherein: limiting plate (62) with the butt position of fixing base (1) is equipped with footstep bearing (63), the axle center of footstep bearing (63) is on a parallel with the axle center of axis of rotation (4).

8. The guide mechanism of an automated conveyor line according to claim 7, wherein: fixing base (1) deviates from the side of leading wheel (2) is equipped with ring cover (11), ring cover (11) with fixed sleeve (3) coaxial setting, limiting plate (62) are the circular slab, limiting plate (62) with rotate through third bearing (64) between ring cover (11) and connect.