CN111532749B

CN111532749B - Quarter turn conveyor

Info

Publication number: CN111532749B
Application number: CN202010415707.4A
Authority: CN
Inventors: 卢永刚; 吕振禾
Original assignee: Shuangyashan Jinnuoheng Machinery Manufacturing Co ltd
Current assignee: Shuangyashan jinnuoheng Machinery Manufacturing Co.,Ltd.
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2021-04-27
Anticipated expiration: 2040-02-10
Also published as: CN110921273A; CN110921273B; CN111532749A

Abstract

The invention discloses a quarter turn conveying device, which comprises a belt conveyor A and a belt conveyor B, and is characterized in that: belt feeder A and belt feeder B are 90 jiaos of settings, belt feeder A and belt feeder B's intersection is provided with and turns to the machine, the below that turns to the machine is provided with the pulley unit, the one side that turns to the machine is provided with the actuating cylinder, belt feeder A, belt feeder B, turn to all be provided with the motor on the machine, still include the frame in turning to the machine, it is connected with pivot A and pivot B to rotate in the frame, pivot A's one end with the output fixed connection of motor, equal interval cover is equipped with a plurality of band pulleys on pivot A and the pivot B, is connected with the belt between the band pulley of suit on pivot A and the band pulley of suit on pivot B. The invention aims to solve the problems that feeding and discharging are inconvenient, a conveying device cannot turn and the speed of the conveying device is inconvenient to adjust when a plurality of conveying devices are used in a matched mode at present.

Description

Quarter turn conveyor

The invention relates to a quarter turn conveying device and a working method thereof, belonging to the divisional application of the invention patent with the application number of 2020100836254.

Technical Field

The invention belongs to the field of workshop conveyor systems, and particularly relates to a quarter turn conveying device.

Background

The automatic conveying device is characterized in that an automatic conveyor system replaces manual work to realize conveying and conveying work, conveying objects are conveyed to another station from one station, manual tasks are only adjustment, supervision and management of an automation line, and the automatic conveying device does not need to directly participate in the conveying work.

The existing automatic conveying device is generally a linear type conveying line, articles to be conveyed can only run along a straight line, if the articles to be conveyed are required to be transferred to other conveying lines, manual feeding and discharging or feeding and discharging equipment is required to be arranged at two ends of the conveying lines, inconvenience and waste are caused, in addition, when the speed of the existing conveying device is adjusted, the motor speed is generally adjusted directly through an electric control means, but the speed of the existing conveying device is adjusted through the electric control means, professional electric control personnel are required to operate, operation of operators on the production line is not suitable, and inconvenience is caused to the speed adjustment of the conveying lines.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a quarter turn conveyor and working method thereof, which solves the problems that the feeding and discharging are inconvenient, the conveyor cannot turn and the speed of the conveyor is inconvenient to adjust when a plurality of conveyors are used in cooperation at present.

The specific technical scheme of the invention is as follows:

a quarter turn conveying device comprises a belt conveyor A and a belt conveyor B, wherein the belt conveyor A and the belt conveyor B are arranged at an angle of 90 degrees, a steering machine is arranged at the intersection of the belt conveyor A and the belt conveyor B, a pulley unit is arranged below the steering machine, a pushing cylinder is arranged on one side of the steering machine opposite to the belt conveyor A, the output end of the pushing cylinder is fixedly connected with a push plate, motors are arranged on the belt conveyor A, the belt conveyor B and the steering machine, the steering machine also comprises a frame, a rotating shaft A and a rotating shaft B are rotatably connected on the frame, one end of the rotating shaft A is fixedly connected with the output end of the motor, a plurality of belt wheels are sleeved on the rotating shaft A and the rotating shaft B at intervals, the belt wheels are fixedly connected with the rotating shaft A and the rotating shaft B, and a belt is connected between the belt wheel sleeved on the rotating shaft A and the, a baffle is arranged on one side of the steering machine opposite to the belt conveyor B, and a sensor is mounted on the baffle; the output shaft of each motor is connected with a speed changer, an input shaft and an output shaft are arranged in each speed changer, the input shaft is fixedly connected with the output shaft of the motor, and the output shaft is fixedly connected with a device to be driven; the speed changer comprises a shell, wherein a plurality of supporting frames are fixedly connected to the shell, one end of an input shaft is rotatably connected with the supporting frames, the other end of the input shaft extends out of the shell, a gear A is fixedly connected to the input shaft and is in meshed connection with a gear ring A, inner teeth and outer teeth are arranged on the gear ring A, the gear A is meshed with the outer teeth of the gear ring A, the inner teeth of the gear ring A are in meshed connection with a gear B, the center of the gear B is fixedly connected with a shaft A, a gear C is also fixedly connected to the shaft A, the gear C is in meshed connection with a speed regulating wheel set, the speed regulating wheel set comprises a plurality of gears with different diameters, the diameters of the gears are sequentially arranged from large to small, each gear in the speed regulating wheel set is fixedly connected with a shaft B, two ends of each shaft B are rotatably connected to the supporting frames, and, the gear ring B is provided with internal teeth and external teeth, each gear in the speed regulating wheel set is meshed with the internal teeth of the gear ring B, the external teeth of the gear ring B are meshed with a gear D, the center of the gear D is fixedly connected with an output shaft, one end of the output shaft is rotatably connected with the support frame, and the other end of the output shaft extends out of the shell;

the pulley set comprises a lifting cylinder, the lifting cylinder is fixedly connected to a rack, a lifting plate is fixedly connected to an output shaft of the lifting cylinder, a hole A is formed in the lifting plate, a guide rod is sleeved in the hole A, one end of the guide rod is fixedly connected to the rack, the other end of the guide rod penetrates through the hole A and extends out of the hole A, a supporting piece is fixedly connected to the lifting plate, an installation shaft is fixedly connected to the upper portion of the supporting piece, a plurality of idler wheels are rotatably connected to the installation shaft, and the idler wheels are located at the interval between every two adjacent belts;

the gear ring A with all be provided with the boss on gear ring B's the left and right sides face, boss sliding connection has the slide rail, the slide rail with support frame fixed connection, be provided with the spout on the slide rail, the boss is in slide in the spout.

Preferably, the shaft A is rotatably connected with an adjusting wheel, the adjusting wheel is provided with a hole B, the hole B is sleeved on the shaft A, the center of the adjusting wheel is fixedly connected with a shaft C, the cross section of the shaft C is rectangular, one end of the shaft C is rotatably connected to the support frame, the other end of the shaft C extends out of the shell, the right end face of the shell is fixedly connected with an adjusting disc, the adjusting disc is provided with a plurality of positioning holes, the shaft C is sleeved with a connecting piece, the connecting piece is provided with a square hole, the square hole is sleeved on the shaft C, the left end of the connecting piece is provided with an installation boss, the right side of the installation boss is provided with a sleeve, the right side of the sleeve is provided with a limiting boss, the right side of the limiting boss is provided with a rotating plate, the sleeve penetrates through the shell and the adjusting disc, and the installation boss extends into, spacing boss and commentaries on classics board stretch out the casing outside, installation boss with install the elastic component between the shells inner wall, fixedly connected with locating pin on the left surface of commentaries on classics board, the locating pin inserts in the locating hole, fixedly connected with connecting rod on the right flank of commentaries on classics board, the tip fixedly connected with handle of connecting rod.

Preferably, the adjusting disc is marked with scales.

The technical scheme at least has the following beneficial effects:

1. this technical scheme includes "be provided with belt feeder A and belt feeder B, belt feeder A and belt feeder B are 90 jiaos of settings, belt feeder A and belt feeder B's intersection is provided with and turns to the machine, the below that turns to the machine is provided with pulley unit, it is provided with the push cylinder to turn to the machine in one side relative with belt feeder A, the technical scheme of push cylinder's output fixedly connected with push pedal" turns to machine, pulley unit and push cylinder through setting up, can make by the fortune article when moving to turning to the machine from belt feeder B, by pulley unit jack-up, again by push cylinder propelling movement to belt feeder A on to realize by the automatic turn of fortune article, solved the inconvenient technical problem of unloading of bringing when many conveyor cooperation use at present.

2. This technical scheme includes "each all be connected with the derailleur on the output shaft of motor, be provided with input shaft and output shaft in the derailleur, the input shaft with the output shaft fixed connection of motor, the output shaft rather than the technical scheme of the device fixed connection that will drive" through setting up the derailleur, can conveniently produce line operating personnel and carry out speed control to conveyor to solve the technical problem that present conveyor is not convenient for the speed governing.

3. The technical scheme includes that the transmission comprises a gear C, the gear C is connected with a speed-adjusting wheel set in a meshing manner, the speed-adjusting wheel set comprises a plurality of gears with different diameters, the diameters of the gears are sequentially arranged from large to small, an adjusting wheel is connected to a shaft A in a rotating manner, a hole B is formed in the adjusting wheel and sleeved on the shaft A, an adjusting disc is fixedly connected to the right end face of the shell, a plurality of positioning holes are formed in the adjusting disc, a positioning pin is fixedly connected to the left side face of the rotating plate and inserted into the positioning holes, and the gear C can be meshed with different gears in the speed-adjusting wheel set by adjusting the adjusting wheel in the transmission to obtain different transmission ratios; the design changes the situation that a transmission wheel set is selected by inserting and pulling a spline in the traditional transmission, so that the friction between the spline and a gear is reduced, and the service life of the transmission is prolonged; and this design compares in transmission derailleur compact structure, and occupation space is few, possesses stronger practicality on being applied to conveyor.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of the transmission;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a view of the adjustment dial of FIG. 3 in the direction B;

FIG. 6 is an enlarged view of a portion C of FIG. 3;

in the figure: 1. a belt conveyor A; 2. a belt conveyor B; 3. a push cylinder; 31. pushing the plate; 4. a steering machine; 41. a motor; 42. a rotating shaft A; 43. a rotating shaft B; 44. a pulley; 45. a belt; 46. a baffle plate; 47. a sensor; 5. a pulley set; 51. a lifting cylinder; 52. a lifting plate; 53. a hole A; 54. a guide bar; 55. a support member; 56. installing a shaft; 57. a roller; 6. a transmission; 61. a housing; 62. a support frame; 63. a slide rail; 64. a chute; 65. an input shaft; 66. a gear A; 67. a gear ring A; 68. a boss A; 69. a gear B; 70. an axis A; 71. a gear C; 72. a speed regulating wheel group; 73. a shaft B; 74. a gear ring B; 75. a gear D; 76. an output shaft; 77. an adjustment wheel; 78. a hole B; 79. an axis C; 80. a connecting member; 801. mounting a boss; 802. a sleeve; 803. a square hole; 804. a limiting boss; 805. rotating the plate; 81. an elastic member; 82. positioning pins; 83. a connecting rod; 84. a handle; 85. an adjusting disk; 86. and (7) positioning the holes.

Detailed Description

The embodiment of the invention provides a quarter turn conveying device and a working method thereof, and by arranging a steering machine 4, a pulley unit 5 and a pushing cylinder 3, when a conveyed article moves from a belt conveyor B2 to the steering machine 4, the conveyed article is jacked up by the pulley unit 5 and then pushed to a belt conveyor A1 by the pushing cylinder 3, so that the conveyed article can automatically turn, and the technical problem of inconvenience in feeding and discharging caused by the cooperation of a plurality of conveying devices at present is solved. Through setting up derailleur 6, can conveniently produce line operating personnel and carry out speed control to conveyor to solve the technical problem of the speed governing of being not convenient for of present conveyor. By adjusting the adjusting wheel 77 in the transmission 6, the gear C71 can be meshed with different gears in the speed-adjusting wheel set 72 to obtain different transmission ratios; the design changes the situation that a transmission wheel set is selected by inserting and pulling a spline in the traditional transmission, so that the friction between the spline and a gear is reduced, and the service life of the transmission is prolonged; and this design compares in transmission derailleur compact structure, and occupation space is few, possesses stronger practicality on being applied to conveyor.

The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings and embodiments:

the invention discloses a quarter turn conveying device and a working method thereof, as shown in figures 1 and 2, the quarter turn conveying device comprises a belt conveyor A1 and a belt conveyor B2, the belt conveyor A1 and the belt conveyor B2 are arranged at an angle of 90 degrees, a steering machine 4 is arranged at the intersection of the belt conveyor A1 and the belt conveyor B2, a pulley unit 5 is arranged below the steering machine 4, a pushing cylinder 3 is arranged at one side of the steering machine 4 opposite to the belt conveyor A1, the output end of the pushing cylinder 3 is fixedly connected with a push plate 31, motors 41 are arranged on the belt conveyor A1, the belt conveyor B2 and the steering machine 4, the motors 41 drive the belt conveyor A1, the belt conveyor B2 and the steering machine 4 to operate, the steering machine 4 further comprises a frame, a rotating shaft A42 and a rotating shaft B43 are rotatably connected on the frame, the rotating shaft A42 and the rotating shaft B43 are arranged on the same horizontal plane, one end of the rotating shaft A42 is fixedly connected with the output, the rotating shaft A42 and the rotating shaft B43 are sleeved with a plurality of belt wheels 44 at intervals, the belt wheels 44 are fixedly connected with the rotating shaft A42 and the rotating shaft B43, a belt 45 is connected between the belt wheels 44 sleeved on the rotating shaft A42 and the belt wheels 44 sleeved on the rotating shaft B43, a baffle 46 is arranged on one side of the steering gear 4 opposite to the belt conveyor B2, and a sensor 47 is arranged on the baffle 46.

Specifically, pulley unit 5 is including lifting cylinder 51, lifting cylinder 51 fixed connection is in the frame, fixedly connected with lifts board 52 on lifting cylinder 51's the output shaft, lift board 52 level sets up, set up porose A53 on the board 52 of lifting, the guide arm 54 is equipped with to the cover in the hole A53, the one end fixed connection of guide arm 54 is in the frame, and the other end passes hole A53 and stretches out the top of hole A53, fixedly connected with support 55 on the board 52 of lifting, support 55 top fixedly connected with installation axle 56, installation axle 56 level sets up, it is connected with a plurality of gyro wheels 57 to rotate on the installation axle 56, gyro wheel 57 is located the below of interval between two adjacent belts 45, and when lifting cylinder 51's the output shaft stretches out, gyro wheel 57 passes the interval between two adjacent belts 45, rises to belt 45 top.

The output shaft of each motor 41 is connected with a transmission 6, the transmission 6 is provided with an input shaft 65 and an output shaft 76, the input shaft 65 is fixedly connected with the output shaft of the motor 41, and the output shaft 76 is respectively connected with a rotating shaft A42, a rotating shaft in a belt conveyor A1 and a rotating shaft in a belt conveyor B2.

Specifically, the transmission 6 includes a housing 61 as shown in fig. 3, 4, 5, and 6, the housing 61 is fixedly connected with a plurality of support frames 62, one end of the input shaft 65 is rotatably connected with the support frames 62, the other end of the input shaft 65 extends out of the housing 61, the input shaft 65 is fixedly connected with a gear a66, the gear a66 is connected with a gear ring a67 in a meshing manner, the gear ring a67 is provided with internal teeth and external teeth, the gear a66 is connected with the external teeth of the gear ring a67 in a meshing manner, the internal teeth of the gear ring a67 is connected with a gear B69 in a meshing manner, the center of the gear B69 is fixedly connected with a shaft a70, the shaft a70 is also fixedly connected with a gear C71, the gear C71 is connected with a speed-adjusting wheel set 72 in a meshing manner, the speed-adjusting wheel set 72 includes a plurality of gears with different diameters, the gears C71 are arranged in a sequence from large to small, each gear in the speed regulating wheel set 72 is fixedly connected with a shaft B73, two ends of each shaft B73 are rotatably connected to the support frame 62, the speed regulating wheel set 72 is connected with a gear ring B74 in a meshing manner, the gear ring B74 is provided with inner teeth and outer teeth, the speed regulating wheel set 72 is connected with the inner teeth of the gear ring B74 in a meshing manner, the outer teeth of the gear ring B74 are connected with a gear D75 in a meshing manner, the center of the gear D75 is fixedly connected with an output shaft 76, one end of the output shaft 76 is rotatably connected with the support frame 62, the other end of the output shaft 76 extends out of the shell 61, bosses 68 are arranged on the left side surface and the right side surface of the gear ring A67 and the gear ring B74, slide rails 63 are slidably connected with the bosses 68, the slide rails 63 are fixedly connected with the support frame 62, slide grooves 64 are arranged on the slide, the other end of the shaft A70 is rotatably connected with an adjusting wheel 77, a hole B78 is formed in the adjusting wheel 77, the hole B78 is sleeved on the shaft A70, the shaft A70 is clamped in the hole B78 through a retainer ring, and the shaft A70 and the hole B78 can only rotate relatively and cannot slide left and right. A shaft C79 is fixedly connected to the center of the adjusting wheel 77, the shaft C79 is overlapped with the central axis of the gear ring A67, the cross section of the shaft C79 is rectangular, one end of the shaft C79 is rotatably connected to the supporting frame 62, the other end of the shaft C79 extends out of the shell 61, an adjusting disc 85 is fixedly connected to the right end face of the shell 61, a plurality of positioning holes 86 are formed in the adjusting disc 85, a connecting piece 80 is sleeved on the shaft C79, a square hole 803 is formed in the connecting piece 80, the square hole 803 is sleeved outside the shaft C79, an installation boss 801 is arranged at the left end of the connecting piece 80, a sleeve 802 is arranged on the right side of the installation boss 801, a limit boss 804 is arranged on the right side of the sleeve 802, a rotating plate 805 is arranged on the right side of the limit boss 804, the sleeve 802 penetrates through the shell 61 and the adjusting disc 85, the installation boss 801 extends, the limiting boss 804 and the rotating plate 805 extend out of the shell 61, an elastic part 81 is installed between the installation boss 801 and the inner wall of the shell 61, a positioning pin 82 is fixedly connected to the left side face of the rotating plate 805, the positioning pin 82 is inserted into the positioning hole 86, a connecting rod 83 is fixedly connected to the right side face of the rotating plate 805, and a handle 84 is fixedly connected to the end of the connecting rod 83.

Specifically, the dial 85 is marked with scales, and an operator can rotate the rotating plate 805 according to the scale display to adjust the transmission 6 to the transmission ratio required by the operator.

When in use, the action process of the embodiment of the invention is as follows:

and starting the motors 41, and starting the belt conveyor A1, the belt conveyor B2 and the steering machine 4. The conveyed articles are placed on the belt conveyor B2, the belt conveyor B2 conveys the articles to the steering machine 4, the belt 45 in the steering machine 4 continues to drive the articles to move forwards, when the articles move to the baffle 46, the articles contact the sensor 47, the sensor 47 sends a signal to the motor 41 in the steering machine 4, the motor 41 in the steering machine 4 stops rotating, and the steering machine 4 stops operating.

The lifting cylinder 51 is lifted upwards, the roller 57 penetrates through the interval gaps among the belts 45 and extends to the upper parts of the belts 45 to lift the conveyed object, and the bottom of the conveyed object is separated from the belts 45. The piston rod of the pushing cylinder 3 extends outwards, the pushing plate 31 pushes the transported articles to move rightwards, the transported articles slide to the belt conveyor A1 along the roller 57, the belt conveyor A1 drives the articles to continue moving rightwards, and the piston rod of the pushing cylinder 3 retracts to the original position.

When the transported article is transferred away, the sensor 47 cannot sense the article, the lifting cylinder 51 drives the roller 57 to move downwards, the vertex of the roller 57 moves downwards to the lower part of the belt 45, and meanwhile, the motor 41 in the steering machine 4 is restarted to drive the belt 45 to run to wait for transferring the next article.

When the conveying speed of the conveying device needs to be adjusted, the movement of the motor 41 is stopped, the handle 84 is manually held to be pulled outwards, the positioning pin 82 is pulled out of the positioning hole 86, the handle 84 is manually rotated, the connecting piece 80 is rotated, meanwhile, the force for pulling the handle 84 outwards is released, the handle 84 is continuously rotated, and the end part of the positioning pin 82 is tightly attached to the adjusting disc 85 to rotate under the action of the elastic force of the elastic piece 81; the connecting piece 80 drives the adjusting wheel 77 to rotate through the shaft C79, the adjusting wheel 77 drives the gear C71 to rotate around the central shaft of the adjusting wheel 77 through the shaft A70, the gear C71 is separated from the gear meshed with the gear in the speed adjusting wheel group 72 and moves towards the gear adjacent to the gear, when the gear C71 is meshed with the adjacent gear, the positioning pin 82 moves to the positioning hole 86 corresponding to the gear, and is inserted into the positioning hole 86 under the action of the elastic piece 81 to realize positioning and complete gear adjustment; if the operator's desired gear ratio is not the gear ratio set for that gear position, the above adjustment is repeated until the alignment pin 82 is inserted into the alignment hole 86 corresponding to the desired gear position.

When the transmission 6 works, the motor 41 drives the input shaft 65 to rotate, the input shaft 65 drives the gear ring a67 to rotate through the gear a66, the gear ring a67 drives the gear B69 to rotate, the gear B69 drives the gear C71 to rotate through the shaft a70, the gear C71 drives the gear meshed with the gear C71 in the speed regulating wheel set 72 to rotate, the gear meshed with the gear C71 in the speed regulating wheel set 72 drives the gear D75 to rotate through the gear ring B74, and the gear D75 drives the output shaft 76 to rotate to output power.

The words of front, back, left, right, up and down, etc. in the present invention are only for convenience of describing the structure and do not form a limitation on the technical solution. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a quarter turn conveyor, includes belt feeder A (1) and belt feeder B (2), its characterized in that: the belt conveyor comprises a belt conveyor A (1) and a belt conveyor B (2) which are arranged at 90 degrees, a steering machine (4) is arranged at the intersection of the belt conveyor A (1) and the belt conveyor B (2), a pulley unit (5) is arranged below the steering machine (4), a push cylinder (3) is arranged on one side, opposite to the belt conveyor A (1), of the steering machine (4), the output end of the push cylinder (3) is fixedly connected with a push plate (31), a motor (41) is arranged on each of the belt conveyor A (1), the belt conveyor B (2) and the steering machine (4), a frame is further included in the steering machine (4), a rotating shaft A (42) and a rotating shaft B (43) are connected to the frame in a rotating mode, one end of the rotating shaft A (42) is fixedly connected with the output end of the motor (41), and a plurality of belt wheels (44) are sleeved on each of the rotating shaft A (42) and the rotating shaft B, the belt wheel (44) is fixedly connected with the rotating shaft A (42) and the rotating shaft B (43), a belt (45) is connected between the belt wheel (44) sleeved on the rotating shaft A (42) and the belt wheel (44) sleeved on the rotating shaft B (43), a baffle (46) is arranged on one side of the steering machine (4) opposite to the belt conveyor B (2), and a sensor (47) is arranged on the baffle (46); the output shaft of each motor (41) is connected with a speed changer (6), an input shaft (65) and an output shaft (76) are arranged in each speed changer (6), the input shaft (65) is fixedly connected with the output shaft of the motor (41), and the output shaft (76) is fixedly connected with a device to be driven; the transmission (6) comprises a shell (61), a plurality of support frames (62) are fixedly connected to the shell (61), one end of an input shaft (65) is rotatably connected with the support frames (62), the other end of the input shaft extends out of the shell (61), a gear A (66) is fixedly connected to the input shaft (65), a gear ring A (67) is connected to the gear A (66) in a meshed mode, inner teeth and outer teeth are arranged on the gear ring A (67), the gear A (66) is meshed with the outer teeth of the gear ring A (67), a gear B (69) is connected to the inner teeth of the gear ring A (67) in a meshed mode, a shaft A (70) is fixedly connected to the center of the gear B (69), a gear C (71) is further fixedly connected to the shaft A (70), a speed regulation wheel set (72) is connected to the gear C (71) in a meshed mode, and the speed regulation wheel set (72), the diameters of the gears are sequentially arranged from large to small, each gear in the speed regulating wheel set (72) is fixedly connected with a shaft B (73), two ends of each shaft B (73) are rotatably connected to the supporting frame (62), each gear in the speed regulating wheel set (72) is connected with a gear ring B (74) in a meshing manner, inner teeth and outer teeth are arranged on the gear ring B (74), each gear in the speed regulating wheel set (72) is connected with the inner teeth of the gear ring B (74) in a meshing manner, the outer teeth of the gear ring B (74) are connected with a gear D (75) in a meshing manner, an output shaft (76) is fixedly connected to the center of the gear D (75), one end of the output shaft (76) is rotatably connected with the supporting frame (62), and the other end of the output shaft (76) extends out of the shell (61);

the shaft A (70) is rotatably connected with an adjusting wheel (77), the adjusting wheel (77) is provided with a hole B (78), the hole B (78) is sleeved on the shaft A (70), the center of the adjusting wheel is fixedly connected with a shaft C (79), the cross section of the shaft C (79) is rectangular, one end of the shaft C (79) is rotatably connected to the supporting frame (62), the other end of the shaft C (79) extends out of the shell (61), the right end face of the shell (61) is fixedly connected with an adjusting disc (85), the adjusting disc (85) is provided with a plurality of positioning holes (86), the shaft C (79) is sleeved with a connecting piece (80), the connecting piece (80) is provided with a square hole (803), the square hole (803) is sleeved on the outer portion of the shaft C (79), the left end of the connecting piece (80) is provided with an installation boss (801), and the right side of the installation boss (801) is provided with a sleeve (802), a limiting boss (804) is arranged on the right side of the sleeve (802), a rotating plate (805) is arranged on the right side of the limiting boss (804), the sleeve (802) penetrates through the shell (61) and the adjusting disc (85), the mounting boss (801) extends into the shell (61), the limiting boss (804) and the rotating plate (805) extend out of the shell (61), an elastic part (81) is mounted between the mounting boss (801) and the inner wall of the shell (61), a positioning pin (82) is fixedly connected to the left side surface of the rotating plate (805), the positioning pin (82) is inserted into the positioning hole (86), a connecting rod (83) is fixedly connected to the right side surface of the rotating plate (805), and a handle (84) is fixedly connected to the end of the connecting rod (83);

the pulley unit (5) comprises a lifting cylinder (51), the lifting cylinder (51) is fixedly connected to the frame, a lifting plate (52) is fixedly connected to an output shaft of the lifting cylinder (51), a hole A (53) is formed in the lifting plate (52), a guide rod (54) is sleeved in the hole A (53), one end of the guide rod (54) is fixedly connected to the frame, the other end of the guide rod penetrates through the hole A (53) and extends out of the upper portion of the hole A (53), a support piece (55) is fixedly connected to the lifting plate (52), a mounting shaft (56) is fixedly connected to the upper portion of the support piece (55), a plurality of rollers (57) are rotatably connected to the mounting shaft (56), and the rollers (57) are located at intervals between two adjacent belts (45);

ring gear A (67) with all be provided with boss (68) on the left and right sides face of ring gear B (74), boss (68) sliding connection has slide rail (63), slide rail (63) with support frame (62) fixed connection, be provided with spout (64) on slide rail (63), boss (68) are in slide in spout (64).

2. The quarter turn conveyor of claim 1 wherein said adjustment dial (85) is graduated.