CN219448347U - Steering mechanism of roller transmission line - Google Patents

Abstract

The utility model discloses a steering mechanism of a roller transmission line, and relates to the technical field of conveyors. The steering mechanism comprises a bracket, a plurality of transmission components, a plurality of adjusting components and a lifting component. The bracket is rotatably provided with a power roller, and the power roller extends along a first direction; the transmission assembly comprises a transmission frame, a transmission belt and two tensioning wheels, wherein the two tensioning wheels are arranged at intervals along a second direction and are rotationally connected with a transmission frame bracket, the transmission belt is tensioned by the two tensioning wheels and a power roller together, a plurality of transmission assemblies are arranged at intervals along a first direction, and the first direction is mutually perpendicular to the second direction; the adjusting components are arranged in one-to-one correspondence with the transmission components and are configured to adjust the distance between the two tensioning wheels; the lifting component can drive the bracket to lift. The steering mechanism can reduce the occupied space and the type selection requirement of the jacking air cylinder, reduce the cost, improve the space utilization rate and simplify the structural design.

Description

Steering mechanism of roller transmission line

Technical Field

The utility model relates to the technical field of conveyors, in particular to a steering mechanism of a roller transmission line.

Background

With the rapid development of logistics storage industry, an automatic stereoscopic warehouse has become the core of a modern logistics and storage system. In the conveying process of a tray or a turnover box, the condition that 90-degree steering conveying is required often occurs, and steering conveying is often finished through a steering mechanism.

In the prior art, a belt line is matched with a jacking mechanism to realize article steering. The transmission directions of the belt lines and the roller transmission lines are mutually perpendicular, and when the tray or the turnover box moves above the belt lines under the rotation action of the rollers, the lifting mechanism lifts the belt lines so that the belt lines are higher than the roller transmission lines, and the tray or the turnover box can move along with the belt lines to realize steering.

However, the belt line usually utilizes the speed regulating motor and the driving shaft to drive the belt pulley to rotate, so that the belt is driven to rotate, the occupied space of the set of mechanism is large, the requirement on structural space is high, meanwhile, the quality of the speed regulating motor is large, the requirement on the type selection of the jacking cylinder is high, and the larger jacking cylinder brings about the improvement on space and cost.

In view of the above, there is a need to develop a steering mechanism for roller transmission lines to solve the above problems.

Disclosure of Invention

The utility model aims to provide a steering mechanism of a roller transmission line, which can reduce the occupied space and the type selection requirement of a jacking air cylinder, reduce the cost, improve the space utilization rate and simplify the structural design.

To achieve the purpose, the utility model adopts the following technical scheme:

a steering mechanism for a roller transmission line, comprising:

the support is rotatably provided with a power roller, and the power roller extends along a first direction;

the conveying components comprise a conveying frame, a conveying belt and two tensioning wheels, the two tensioning wheels are arranged at intervals along a second direction and are rotationally connected with the conveying frame, the conveying belt is tensioned by the two tensioning wheels and the power roller together, the conveying components are arranged at intervals along a first direction, and the first direction is mutually perpendicular to the second direction;

the adjusting assemblies are arranged in one-to-one correspondence with the transmission assemblies and are configured to adjust the distance between the two tensioning wheels;

and the lifting assembly can drive the bracket to lift.

Preferably, the tensioning wheel comprises a rotating shaft and a rotating wheel which rotates and is arranged on the rotating shaft, the transmission frame comprises a sliding groove which extends along the second direction, the rotating shaft is arranged on the sliding groove in a sliding mode, the adjusting assembly comprises an adjusting piece, and the adjusting piece is fixedly connected with the rotating shaft.

Preferably, the adjusting assembly further comprises an adjusting screw passing through and in threaded connection with the adjusting member, the adjusting screw abutting the transmission rack in the second direction.

Preferably, the adjustment assembly further comprises a locking member configured to lock the position of the adjustment member.

Preferably, the transmission assembly further comprises a plurality of supporting wheels, the supporting wheels are arranged on the transmission frame at intervals along the second direction and located between the two tensioning wheels, and the highest point of the supporting wheels is equal to the highest point of the tensioning wheels in height.

Preferably, the power roller further comprises a plurality of anti-slip sleeves arranged at intervals along the axial direction, the anti-slip sleeves are fixedly connected with the power roller, and each transmission belt is sleeved outside one corresponding anti-slip sleeve.

Preferably, the steering mechanism further comprises a base and a guide assembly, the guide assembly comprises a guide sleeve and a guide pillar, the guide sleeve is arranged on the base, the guide pillar is fixedly connected with the support, and the guide pillar penetrates through the guide sleeve and is in sliding fit with the guide sleeve.

Preferably, the steering mechanism further comprises a limiting piece, wherein the limiting piece is fixedly connected with the guide post and is positioned on the other side of the base relative to the bracket.

Preferably, the steering mechanism further comprises a buffer member, wherein the buffer member is arranged on the base and is positioned between the base and the limiting member.

Preferably, the lifting assembly comprises an air cylinder, the air cylinder is arranged on the base, and a piston rod of the air cylinder is fixedly connected with the bracket.

The utility model has the beneficial effects that:

the utility model provides a steering mechanism of a roller transmission line. In the steering mechanism, when the lifting assembly drives the support to lift and the conveying belt jacks up the tray or the turnover box, the power roller can drive the conveying belt to rotate, so that the conveying direction of the tray or the turnover box is changed from a first direction to a second direction, and steering is realized. The power roller is used as a power device for transmission, the same driving mode as a roller transmission line is realized, and the whole line debugging is convenient.

The steering mechanism can reduce the occupied space and the type selection requirement of the jacking air cylinder, reduce the cost, improve the space utilization rate and simplify the structural design.

Drawings

FIG. 1 is a schematic diagram of a roller transmission line and steering mechanism according to the present utility model;

FIG. 2 is a schematic diagram of a steering mechanism according to the present utility model;

FIG. 3 is a schematic view of the power roller, transmission assembly and adjustment assembly provided by the present utility model;

fig. 4 is a schematic structural diagram of a steering mechanism according to the present utility model.

In the figure:

100. a roller transmission line; 101. an electric roller;

1. a bracket; 2. a power roller; 3. a transmission assembly; 4. an adjustment assembly; 5. a lifting assembly; 6. a base; 7. a guide assembly; 8. a limiting piece; 9. a buffer member;

21. an anti-skid sleeve; 31. a transmission rack; 32. a transmission belt; 33. a tensioning wheel; 34. a support wheel; 35. an anti-skid wheel; 41. an adjusting member; 42. an adjusting screw; 43. a locking member; 71. guide sleeve; 72. a guide post;

331. a rotating shaft; 332. a rotating wheel.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, either fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

With the rapid development of logistics storage industry, an automatic stereoscopic warehouse has become the core of a modern logistics and storage system. In the conveying process of a tray or a turnover box, the condition that 90-degree turning conveying is required often occurs, and the article turning is realized by matching a belt line with a jacking mechanism.

The roller transmission line includes a plurality of motorized rollers arranged at intervals, that is, each motorized roller is capable of actively rotating to transmit a tray or a transfer case. The transmission directions of the belt lines and the roller transmission lines are mutually perpendicular, and when the tray or the turnover box moves above the belt lines under the rotation action of the rollers, the lifting mechanism lifts the belt lines so that the belt lines are higher than the roller transmission lines, and the tray or the turnover box can move along with the belt lines to realize steering.

The belt line drives the belt pulley to rotate by utilizing the speed regulating motor and the driving shaft, so that the belt is driven to rotate, the occupied space of the set of mechanism is large, the requirement on structural space is high, meanwhile, the quality of the speed regulating motor is large, the requirement on the type selection of the jacking cylinder is high, and the space and the cost are improved due to the larger jacking cylinder.

Example 1

To solve the above-described problems, the present embodiment provides a steering mechanism, and the present embodiment is described taking a case of conveying a tray by using a roller conveying line 100 as an example. As shown in fig. 1 to 4, the steering mechanism comprises a bracket 1, a plurality of transmission assemblies 3 and a lifting assembly 5. The support 1 rotates and is provided with power cylinder 2, power cylinder 2 extends along first direction (X direction in the figure), transmission subassembly 3 includes transmission frame 31, transmission band 32 and two take-up pulleys 33, two take-up pulleys 33 are along second direction (Y direction in the figure) interval setting and with transmission frame 31 rotation connection, transmission band 32 is by two take-up pulleys 33 and the common tensioning of power cylinder 2, a plurality of transmission subassembly 3 is along first direction interval setting, first direction and second direction mutually perpendicular, lifting unit 5 can drive support 1 and rise and fall.

It will be appreciated that the steering mechanism is provided in the steering region of the roller conveyor line 100, and that a conveyor assembly 3 is provided between each two motorized rollers 101. When the lifting assembly 5 drives the bracket 1 to lift and enables the conveying belt 32 to jack up the tray, the power roller 2 can drive the conveying belt 32 to rotate, so that the conveying direction of the tray is changed from the first direction to the second direction, and the steering is realized. The power roller 2 is used as a power device for transmission, realizes the same driving mode as the roller transmission line 100, and is convenient for line adjustment, so the power roller 2 is an electric roller 101.

Because the electric roller 101 has the advantages of compact structure, high transmission efficiency, low noise, long service life and the like, the steering mechanism can reduce the occupied space and the type selection requirement of the jacking air cylinder, reduce the cost, improve the space utilization rate and simplify the structural design.

Preferably, the steering mechanism further comprises a plurality of adjusting assemblies 4, the adjusting assemblies 4 are arranged in one-to-one correspondence with the transmission assemblies 3, and the adjusting assemblies 4 are configured to adjust the distance between the two tensioning wheels 33. After the steering mechanism is used for a long time, the transmission belt 32 of the transmission assembly 3 may be loosened, so that the pressure between the transmission belt 32 and the power roller 2 is reduced to generate a slipping phenomenon, and at this time, the distance between the two tensioning wheels 33 can be increased through the adjusting assembly 4, so that the pressure between the transmission belt 32 and the power roller 2 is increased, and the slipping is prevented.

Specifically, the tensioning wheel 33 includes a rotating shaft 331 and a rotating wheel 332 rotatably disposed on the rotating shaft 331, the transmission frame 31 includes a chute extending along the second direction, the rotating shaft 331 is slidably disposed on the chute, the adjusting component 4 includes an adjusting member 41, and the adjusting member 41 is fixedly connected with the rotating shaft 331. The rotating shaft 331 can be driven to slide along the sliding groove by the adjusting piece 41, so that the distance between the two rotating wheels 332 is adjusted to adjust the tightness of the transmission belt 32.

Wherein the adjusting assembly 4 further comprises an adjusting screw 42, the adjusting screw 42 passing through the adjusting member 41 and being in threaded connection with the adjusting member 41, the adjusting screw 42 being in abutment with the transmission frame 31 in the second direction. The adjusting screw 42 abuts against the transmission frame 31, and the adjusting member 41 can be moved in the second direction by rotating the adjusting screw 42, so that the distance between the tensioning wheel 33 connected with the adjusting member 41 and the other tensioning wheel 33 is changed. The adjusting screw 42 is utilized to drive the adjusting piece 41, so that the adjusting efficiency can be improved, the operation is convenient, the adjusting piece 41 can be fixed at the adjusted position, and the stability of the tensioning of the transmission belt 32 by the two tensioning wheels 33 is ensured.

It will be appreciated that during use of the steering mechanism, vibrations inevitably occur which tend to loosen the adjustment screw 42 and thereby cause slippage of the conveyor belt 32, greatly affecting the efficiency of the pallet transfer. To solve this problem, the adjustment assembly 4 further comprises a locking member 43, the locking member 43 being configured to lock the position of the adjustment member 41.

Specifically, the locking member 43 is a locking nut, and the locking nut is sleeved on the adjusting screw 42 and is in threaded connection with the adjusting screw 42, when the adjusting member 41 is moved by rotating the adjusting screw 42 to tighten the transmission belt 32, the locking nut can be rotated to enable the locking nut to abut against the adjusting member 41 to form self-locking, so that the adjusting screw 42 is prevented from rotating, and further, the position of the adjusting member 41 is locked.

As shown in fig. 3, the power roller 2 further includes a plurality of anti-slip sleeves 21 disposed at intervals along the axial direction, the anti-slip sleeves 21 are fixedly connected with the power roller 2, and each of the transmission belts 32 is sleeved outside a corresponding one of the anti-slip sleeves 21. The anti-slip sleeve 21 can increase the friction between the power drum 2 and the transmission belt 32, thereby preventing slip between the transmission belt 32 and the power drum 2.

Illustratively, the outer circumference of the anti-slip sleeve 21 is provided with first anti-slip teeth, and the inner circumference of the transmission belt 32 is provided with second anti-slip teeth capable of meshing with the first anti-slip teeth, thereby ensuring that no slip phenomenon occurs between the transmission belt 32 and the power drum 2.

Further, the transmission assembly 3 further includes two anti-slip wheels 35, the two anti-slip wheels 35 are rotatably disposed on the transmission frame 31, the two anti-slip wheels 35 tension the transmission belt 32 from the outside of the transmission belt 32, and the two anti-slip wheels 35 are respectively located at two sides of the power roller 2 along the second direction. The anti-skid wheel 35 can change the shape of the transmission belt 32, so that the transmission belt 32 between the anti-skid wheel 35 and the power roller 2 is closer to the power roller 2, and the contact area between the transmission belt 32 and the power roller 2 is increased, thereby preventing the slip between the transmission belt 32 and the power roller 2.

Preferably, the conveying assembly 3 further comprises a plurality of supporting wheels 34, wherein the supporting wheels 34 are arranged on the conveying frame 31 at intervals along the second direction and are positioned between the two tensioning wheels 33, and the highest point of the supporting wheels 34 is equal to the highest point of the tensioning wheels 33 in height. The supporting wheel 34 can support the conveyor belt 32 between the two tensioning wheels 33, preventing the conveyor belt 32 from sagging to affect stable conveyance of the tray.

As shown in fig. 4, the steering mechanism further comprises a base 6 and a guide assembly 7, the guide assembly 7 comprises a guide sleeve 71 and a guide post 72, the guide sleeve 71 is arranged on the base 6, the guide post 72 is fixedly connected with the bracket 1, and the guide post 72 passes through the guide sleeve 71 and is in sliding fit with the guide sleeve 71. The base 6 is used for being connected with a frame of the roller transmission line 100 to be fixed, and when the lifting assembly 5 drives the bracket 1 to lift, the guide post 72 and the guide sleeve 71 can guide the bracket 1, so that the stability of the steering mechanism is improved.

Specifically, the lifting assembly 5 comprises an air cylinder, the air cylinder is arranged on the base 6, and a piston rod of the air cylinder is fixedly connected with the bracket 1. The cylinder has the advantages of simple structure, light weight, small occupied space, reduced cost, improved space utilization and simplified structural design.

Preferably, the steering mechanism further comprises a limiting member 8, and the limiting member 8 is fixedly connected with the guide post 72 and is located on the other side of the base 6 relative to the bracket 1. In the process of upward movement of the bracket 1, if the upward distance of the bracket 1 is too large, the height difference between the transmission assembly 3 and the subsequent roller transmission line 100 is large, the tray is easy to damage when falling to the subsequent roller transmission line 100, and the limiting piece 8 can limit the bracket 1 through the guide post 72, so that the height of the bracket 1 is prevented from being too high.

In this embodiment, four guide posts 72 and four guide sleeves 71 are provided, so that stability of the bracket 1 in the lifting process is further improved. Moreover, the bottom ends of every two guide posts 72 are connected with the same limiting piece 8, so that the overall stability can be improved, and the stress balance of the limiting piece 8 during limiting can be ensured.

Preferably, the steering mechanism further comprises a buffer member 9, wherein the buffer member 9 is disposed on the base 6 and located between the base 6 and the limiting member 8. The buffer part 9 can be abutted against the limiting part 8 when the support 1 ascends, so that buffering is provided for limiting collision between the limiting part 8 and the base 6, the service life of the limiting part 8 and the base 6 can be prolonged, noise can be reduced, and the working environment is optimized.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. A steering mechanism for a roller transmission line, comprising:

the device comprises a bracket (1), wherein the bracket (1) is rotatably provided with a power roller (2), and the power roller (2) extends along a first direction;

the conveying components (3) comprise a conveying frame (31), a conveying belt (32) and two tensioning wheels (33), the two tensioning wheels (33) are arranged at intervals along a second direction and are rotationally connected with the conveying frame (31), the conveying belt (32) is tensioned by the two tensioning wheels (33) and the power roller (2), the conveying components (3) are arranged at intervals along a first direction, and the first direction is perpendicular to the second direction;

the adjusting assemblies (4) are arranged in a one-to-one correspondence with the transmission assemblies (3), and the adjusting assemblies (4) are configured to adjust the distance between the two tensioning wheels (33);

and the lifting assembly (5) can drive the bracket (1) to lift.

2. The steering mechanism of a roller transmission line according to claim 1, wherein the tensioning wheel (33) comprises a rotating shaft (331) and a rotating wheel (332) rotatably arranged on the rotating shaft (331), the transmission frame (31) comprises a sliding groove extending along the second direction, the rotating shaft (331) is slidably arranged on the sliding groove, the adjusting assembly (4) comprises an adjusting piece (41), and the adjusting piece (41) is fixedly connected with the rotating shaft (331).

3. Steering mechanism for a roller transmission line according to claim 2, characterized in that the adjustment assembly (4) further comprises an adjustment screw (42), the adjustment screw (42) passing through the adjustment member (41) and being screwed with the adjustment member (41), the adjustment screw (42) abutting the transmission frame (31) in the second direction.

4. Steering mechanism for a roller transmission line according to claim 2, characterized in that the adjustment assembly (4) further comprises a locking member (43), the locking member (43) being configured to lock the position of the adjustment member (41).

5. Steering mechanism for roller transmission lines according to any one of claims 1 to 4, characterized in that said transmission assembly (3) further comprises a plurality of supporting wheels (34), said supporting wheels (34) being arranged at intervals along said second direction in said transmission frame (31) and between two of said tensioning wheels (33), the highest point of said supporting wheels (34) being at the same height as the highest point of said tensioning wheels (33).

6. Steering mechanism for a roller transmission line according to any of claims 1-4, characterized in that the power roller (2) further comprises a plurality of anti-slip sleeves (21) arranged at intervals along the axial direction, the anti-slip sleeves (21) are fixedly connected with the power roller (2), and each transmission belt (32) is sleeved outside a corresponding anti-slip sleeve (21).

7. Steering mechanism for a roller transmission line according to any of claims 1-4, characterized in that the steering mechanism further comprises a base (6) and a guiding assembly (7), the guiding assembly (7) comprises a guiding sleeve (71) and a guiding post (72), the guiding sleeve (71) is arranged on the base (6), the guiding post (72) is fixedly connected with the bracket (1), and the guiding post (72) passes through the guiding sleeve (71) and is in sliding fit with the guiding sleeve (71).

8. Steering mechanism for roller transmission lines according to claim 7, characterized in that it further comprises a stop (8), said stop (8) being fixedly connected to said guide post (72) and being located on the other side of said base (6) with respect to said bracket (1).

9. Steering mechanism for a roller transmission line according to claim 8, characterized in that it further comprises a buffer (9), said buffer (9) being arranged on said base (6) and being located between said base (6) and said stop (8).

10. Steering mechanism for roller transmission lines according to claim 7, characterized in that the lifting assembly (5) comprises a cylinder arranged on the base (6), the piston rod of which is fixedly connected with the bracket (1).