CN211033979U

CN211033979U - Variable-amplitude conveyor combining power and flexibility

Info

Publication number: CN211033979U
Application number: CN201921481728.5U
Authority: CN
Inventors: 周林海; 沈斌; 徐磊; 刘宇朗
Original assignee: Zhejiang Langao Logistics Technology Co ltd
Current assignee: Zhejiang Langao Logistics Technology Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-17
Anticipated expiration: 2029-09-06

Abstract

The utility model relates to the field of conveyors, and discloses a variable-amplitude conveyor combining power and flexibility, which comprises a conveying mechanism formed by parallel arrangement of a plurality of rows of roller sets, a left frame and a right frame for fixedly supporting the conveying mechanism, and a driving system, and is characterized in that the left frame and the right frame are of a scissor-fork connecting rod structure, and each upper end hinge joint of the scissor-fork connecting rod structure is connected with one row of roller sets; each row of roller group comprises a short roller positioned in the middle and two sets of Fulai roller groups positioned on two sides of the short roller; the Fulai wheel set shaft and the short roller shaft are coaxial and are not connected, the Fulai wheel set shaft and the short roller shaft are fixed on a cross bar through a connecting piece, and two ends of the cross bar are respectively fixed on a left frame and a right frame; the driving system is connected with the short roller, and the short roller drives the goods to move. The structure is light, the roller set is movable, the angle can be freely rotated, the structure is firm, the shafts of the roller set are not easy to deform, the reliability of the device is high, and the electric conveying of the stretching conveyor is realized.

Description

Variable-amplitude conveyor combining power and flexibility

Technical Field

The invention relates to the field of conveyors, in particular to a variable-amplitude conveyor combining power and flexibility.

Background

In actual project field use, many conveyor line positions are not fixed and need to be adjusted temporarily. But because the ordinary belt conveyor body used daily is heavy and heavy, the belt conveyor is not suitable for fast moving and can only carry out linear or fixed-angle conveying, and is not suitable for complicated and variable environmental requirements. Therefore, a stretching conveyor is often used for flexible temporary adjustment of the goods conveying line, and the common structure of the stretching conveyor is as follows: frame about being regarded as by scissors fork connecting rod structure, long roller is connected in scissors fork connecting rod structure's articulated department in upper end, and the interval of long roller is along with scissors fork connecting rod structure's tensile and extension to this realizes the nimble adjustment of transfer chain, but the tensile conveyer of prior art down also has following shortcoming: 1. all are unpowered models, need to promote the goods through the manpower and transmit on long roller, this can consume a large amount of manpower and materials, inefficiency. 2. The conveying surface of the existing stretching conveyor is only loaded with a common long roller, the long roller often causes damage to a roller body due to overlarge impact force when goods fall, and the equipment reliability is poor.

Disclosure of Invention

The invention aims to design a portable and movable electric power flexible stretching conveyor which can rotate at any angle and is not easy to damage.

In order to achieve the purpose, the technical scheme of the invention is as follows: a variable-amplitude conveyor combining power and flexibility comprises a conveying mechanism formed by parallelly arranging a plurality of rows of roller sets, a left frame and a right frame for fixedly supporting the conveying mechanism, and a driving system for driving the conveying mechanism to run, and is characterized in that the left frame and the right frame are of a scissor connecting rod structure, and each upper end hinge joint of the scissor connecting rod structure is connected with one row of roller sets; each row of roller group comprises a short roller positioned in the middle and two sets of rifling wheel groups positioned on two sides of the short roller; the rifling wheel set shaft and the short roller shaft are coaxial and are not connected, the rifling wheel set shaft and the short roller shaft are fixed on a cross rod through a connecting piece, and two ends of the cross rod are respectively fixed on a left frame and a right frame; the driving system is connected with the short roller, and the short roller drives the goods to move.

Further, the scissors fork connecting rod structure comprises a deployable mechanism consisting of a plurality of long scissors forks which are hinged with each other, the deployable mechanism comprises a plurality of X-shaped structures formed by hinging the middle parts of the long scissors forks, and the upper ends and the lower ends of the X-shaped structures are hinged with each other. Therefore, the flexible stretching conveyor can adjust the stretching length at will. Meanwhile, according to the difference of the stretching ratios of the left side and the right side, the turning function can be realized, and the device is suitable for variable site requirements.

Further, the driving system comprises a driving wheel, an o-shaped belt and a motor; a driving wheel is matched below each two front and back adjacent short rollers, the driving wheel is provided with two o-shaped belts, one o-shaped belt is connected with the front short roller, and the other o-shaped belt is connected with the back short roller; the middle section of the cross rod is provided with a concave structure, and the driving wheel is fixed at the concave position through a driving wheel shaft; the motor is connected with a plurality of driving wheels in the plurality of driving wheels, and then all the short rollers are driven to rotate.

Preferably, the short roller is provided with two pressing grooves for connecting with the O-shaped belt.

Preferably, every seven driving wheels are connected with a motor along the goods conveying direction, and the motor is fixed on the cross bar where the corresponding driving wheel is located. This ensures that each row of rollers has sufficient power to rotate.

Further, the short rollers in the front and back two rows of roller groups are installed alternately from left to right, namely: in the preceding row of rollers group, the short roller is in the position of middle part to the right, a set of short fortune wheelset is arranged on the right side of short roller, and a set of long fortune wheelset is arranged on the left side, and in the roller group of back row, the short roller is in the position of middle part to the left, a set of long fortune wheelset is arranged on the right side of short roller, and a set of short fortune wheelset is arranged on the left side. The rollers are arranged in a left-right staggered mode, so that the power transmission area on the transmission line is increased, the goods are always in the power transmission area, and the goods are prevented from being stopped due to the fact that the goods are deviated from the wheel set on one side.

Preferably, the long riff wheel set comprises three riff wheels, and the short riff wheel set comprises two riff wheels.

Preferably, the press groove of the stub roll is positioned at the middle position of each row of roll groups. The motor and the roller are conveniently connected by the O-shaped belt.

Furthermore, a telescopic sliding support is arranged at the bottom of the variable-amplitude conveyor combining power and flexibility, and the telescopic position of the support is fixed through screws so as to adjust the height of the support; the bottom of the bracket is provided with a pulley. This ensures that the conveyor can be adjusted in height and position at will.

Compared with the prior art, the invention adopts the roller group to replace a long roller and three short shafts to replace a long shaft in the prior art, so as to increase the impact deformation resistance of the conveyor, and simultaneously, the three short shafts of each row of roller group are fixed on a cross rod through the connecting piece, thereby further enhancing the structural strength of the conveyor and improving the impact resistance of the conveyor. And when the goods are transported in a turn, the turning radiuses of the inner side and the outer side are different, namely the required linear speed is different. The ordinary stretcher only carries the long roller, so that the linear speeds of the inner side and the outer side are the same when the goods turn, and the goods slide or even slide out of the unit easily. The left side area and the right side area of the flexible stretching conveyor are driven areas, so that linear velocities of the inner side and the outer side of the goods can be different, and the phenomenon that the goods slide out of the stretching machine due to inertia can be effectively avoided.

In conclusion, the beneficial effects of the invention are as follows: 1. the structure is light, and the movable and free rotation angle can be realized. 2. The structure is firm, each axle of the roller group is not easy to deform, and the reliability of the equipment is high. 3. The driven path and the short roller are connected together by the o-shaped belt, so that the electric conveying of the stretching conveyor is realized.

(O-belt is retractable or not when the conveyor is stretched, the O-belt should also deform unless the axle of the driven pulley is passed axially just past the middle hinge of the scissor fork)

Drawings

Fig. 1 is a perspective view of a variable-width conveyor that combines power and flexibility.

Fig. 2 is a partially enlarged view of the area a.

Fig. 3 is a related structure diagram of a row of roller groups.

Fig. 4 is a reverse perspective view of a variable-width conveyor that combines power and flexibility.

Fig. 5 is a partially enlarged view of the region B.

FIG. 6 is a schematic view showing the positional relationship among the stub roller, the driven wheel, and the left and right frames.

Fig. 7 is a partial structural schematic diagram of a front four-row roller set of a variable-amplitude conveyor combining power and flexibility.

Fig. 8 is a schematic view of a connection structure of a set of brackets and left and right frames.

Detailed Description

Referring to fig. 1, an electric flexible stretching conveyor includes a conveying mechanism formed by arranging a plurality of rows of roller sets 1 in parallel, a left frame 2 and a right frame 2 for fixedly supporting the conveying mechanism, a driving system for driving the conveying mechanism to operate, and a plurality of telescopic supports 4 arranged at the bottom of the conveyor.

Referring to fig. 2 and 3, the left and right frames 2 are in a scissors linkage structure, the scissors linkage structure includes a deployable mechanism composed of a plurality of long scissors hinged to each other, the deployable mechanism includes a plurality of X-shaped structures hinged to each other at a middle hinge 202, and upper and lower ends of each X-shaped structure are hinged to each other.

A row of roller sets 1 are connected to each upper end hinge joint 201 of the scissors connecting rod structure; each row of roller group 1 comprises a short roller 101 positioned in the middle, and a long riff roller group 103 and a short riff roller group 102 positioned on two sides of the short roller; the long riff wheel set 103 includes three riff wheels and the short riff wheel set 102 includes two riff wheels.

The long and short wheel set

shafts

1031, 1021 and 1011 are coaxial and are not connected, the long and short wheel set

shafts

1031, 1021 and 1011 are fixed on a cross bar 104 through a connecting piece 105, and two ends of the cross bar 104 are respectively fixed on the left and right frames 2.

Referring to fig. 4-6, the driving system comprises a motor 303, driving wheels 301 and o-shaped belts 302, wherein one driving wheel 301 is matched below each two short rollers 101 adjacent to each other in front and back, the driving wheels are provided with two o-shaped belts 302, one o-shaped belt 302 is connected with the previous short roller 101, and the other o-shaped belt 302 is connected with the next short roller 101; the cross bar 104 is provided with a concave structure in the middle section, and the driving wheel 301 is fixed at the concave position through a driving wheel shaft 3011; the short roller 101 is provided with two press grooves 1012 for connecting with the o-belt 302. The rotating axes of the short rollers 101 coincide with the corresponding upper hinged parts 201, the rotating axes of the driving wheels 301 coincide with the corresponding middle hinged parts 202, when the conveyor is stretched, the distance between the front and rear upper hinged parts 201 is pulled back greatly, but the distance from the corresponding middle hinged parts 201 to the two upper hinged parts 201 is unchanged, so that when the conveyor is stretched, the o-shaped belt connecting the front row of short rollers 101 and the driving wheels 301 cannot be deformed, the o-shaped belt cannot be deformed, and the driving system can be ensured to normally work when the conveyor is stretched.

Along the conveying direction of goods, every seven driving wheels 301 are provided with one driving wheel 301 connected with a motor 303, and the motor 303 is fixed on the cross bar 104 where the corresponding driving wheel is positioned. This ensures that each row of rollers has sufficient power to rotate.

Referring to fig. 7, the short rollers 101 inside the front and back two rows of roller sets 1 are installed alternately from left to right, that is: in the roller group 1 of the front row, the short roller 101 is in the position of the middle left, a group of short rift wheel sets 102 is arranged on the left side of the short roller 101, a group of long rift wheel sets 103 is arranged on the right side, in the roller group 1 of the rear row, the short roller 101 is in the position of the middle right, a group of long rift wheel sets 103 is arranged on the left side of the short roller 101, and a group of short rift wheel sets 102 is arranged on the right side. The short rollers 101 are arranged in a left-right staggered mode, so that the power transmission area on the transmission line is increased, goods are always in the power transmission area, and the goods are prevented from being stopped due to the fact that the goods are deviated from a certain side wheel set.

The indent 1012 of the stub roll 101 is located at the middle of each row of roll sets 1. Facilitating the o-belt 302 to connect the pulley 301 with the stub roll 101.

Referring to fig. 8, a telescopic sliding support 4 is arranged at the bottom of a variable-amplitude conveyor combining power and flexibility, the upper end of the support 4 is fixed at a hinged position 201 at the upper end of a frame, a connecting sheet 404 of a chute is fixed on the support 4, a connecting screw is arranged at a hinged position 203 at the lower end of the frame, the connecting screw is limited in the chute of the connecting sheet 404, and the support 4 is fixed at a telescopic position through a screw 403 to adjust the height of the support; the bottom of the bracket is provided with a pulley 402. This ensures that the conveyor can be adjusted in height and position at will. Between two telescopic sliding supports 4 in the same row, a cross beam 401 is connected for reinforcing the structure.

When the device works, the conveyer can realize stretching and shrinking in a light way along with stretching and shrinking of the scissor connecting rod structures of the left frame 2 and the right frame 2; meanwhile, the turning function of the conveyor can be realized according to different stretching ratios of the left side and the right side, and the variable site requirements are met.

When the variable-amplitude conveyor combining power and flexibility is applied to conveying goods, the falling impact force of the goods is borne by the short riff wheel set shaft 1021, the long riff wheel set shaft 1031 and the short roller shaft 1011, and the short shafts are not easy to deform compared with the long shafts, so that the flexible stretching conveyor has better impact deformation resistance, and the three short shafts of each row of roller sets are fixed on one cross rod 104 through the connecting pieces 105, so that the structural strength of the conveyor is further enhanced, and the impact resistance of the conveyor is improved.

Claims

1. A variable-amplitude conveyor combining power and flexibility comprises a conveying mechanism formed by parallelly arranging a plurality of rows of roller sets, a left frame and a right frame for fixedly supporting the conveying mechanism, and a driving system for driving the conveying mechanism to run, and is characterized in that the left frame and the right frame are of a scissor connecting rod structure, and each upper end hinge joint of the scissor connecting rod structure is connected with one row of roller sets; each row of roller group comprises a short roller positioned in the middle and two sets of rifling wheel groups positioned on two sides of the short roller; the rifling wheel set shaft and the short roller shaft are coaxial and are not connected, the rifling wheel set shaft and the short roller shaft are fixed on a cross rod through a connecting piece, and two ends of the cross rod are respectively fixed on a left frame and a right frame; the driving system is connected with the short roller, and the short roller drives the goods to move.

2. A combined power and flexibility variable-width conveyor according to claim 1, wherein the scissor linkage structure comprises a deployable mechanism including a plurality of long scissor assemblies hinged to each other, the deployable mechanism including a plurality of X-shaped structures hinged to the middle of the long scissor assemblies, and the upper and lower ends of each X-shaped structure are hinged to each other.

3. A combined power and flexibility variable-amplitude conveyor according to claim 1, wherein the drive system comprises a drive wheel, an o-belt, a motor; a driving wheel is matched below each two front and back adjacent short rollers, the driving wheel is provided with two o-shaped belts, one o-shaped belt is connected with the front short roller, and the other o-shaped belt is connected with the back short roller; the middle section of the cross rod is provided with a concave structure, and the driving wheel is fixed at the concave position through a driving wheel shaft; the centers of the driving wheels coincide with the hinged positions of the middle parts of the left frame and the right frame, and the motors are connected with a plurality of driving wheels in the axial direction of the driving wheels so as to drive all the short rollers to rotate.

4. A combined power and flexibility variable-amplitude conveyor as claimed in claim 3, wherein every third drive wheel is connected to a motor fixed to the crossbar on which the respective drive wheel is located, in the direction of goods conveyance.

5. A combined power and flexibility variable width conveyor as claimed in claim 1 wherein the short rollers in the front and rear rows of roller sets are alternately mounted with the short rollers offset to the left and the short rollers offset to the right in sequence, that is: in the preceding row of rollers group, the short roller is in the position of middle part to the right, a set of short fortune wheelset is arranged on the right side of short roller, and a set of long fortune wheelset is arranged on the left side, and in the roller group of back row, the short roller is in the position of middle part to the left, a set of long fortune wheelset is arranged on the right side of short roller, and a set of short fortune wheelset is arranged on the left side.

6. A combined power and flexibility variable-amplitude conveyor according to claim 5, wherein the Leiflex wheel set comprises three Leiflex wheels and the Breiflex wheel set comprises two Leiflex wheels.

7. A combined power and flexibility variable-amplitude conveyor according to claim 5, wherein the stub rollers are provided with two indentations, and the indentations are located at the middle of each row of roller sets.

8. A combined power and flexibility variable-amplitude conveyor according to claim 1, wherein a telescopically slidable support is provided at the bottom thereof.