CN114132726B

CN114132726B - Conveying and carrying rotary device with centering function

Info

Publication number: CN114132726B
Application number: CN202111560194.7A
Authority: CN
Inventors: 朱先勇; 宋鹏; 肖雄; 樊跃香; 彭惠明; 唐荣耀; 吴帅贤; 王鹏; 魏子童; 孙炜佳
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2023-01-17
Anticipated expiration: 2041-12-20
Also published as: CN114132726A

Abstract

The invention provides a conveying and carrying revolving device with a centering function, which comprises a centering conveying device, a carrying revolving platform and a controller, wherein the centering conveying device comprises a conveying frame and a centering mechanism, the centering mechanism is arranged below the conveying frame, and the carrying revolving platform comprises a revolving platform underframe, a cam divider, a driving motor, a supporting frame, a brake roller carrying platform and a guide baffle plate; a conveying frame of the centering conveying device is butted with a brake roller object carrying table of the object carrying rotary table; the centering conveying device and the object carrying rotary table are respectively connected with the controller. The centering mechanism enables the push plates at two sides to relatively move at the same speed through the driving of the air cylinder to realize the automatic centering of the goods, and performs intermittent rotary motion through the cam divider, so that the centering mechanism has the advantages of stable transmission, accurate action, high output division precision and good high-speed performance, and ensures the precision of the rotating angle of the rotary object stage; the invention has high automation degree and wide application scene, and is suitable for market popularization.

Description

Conveying and carrying rotary device with centering function

Technical Field

The invention relates to an automatic carrying and rotating device, in particular to a conveying and carrying and rotating device with a centering function.

Background

With the continuous improvement of labor cost, production line automation is more and more favored by the industry, so the market demand of automation equipment is higher and higher. Along with the demand of present market users is higher and higher, the production efficiency of required automated production equipment also needs to be improved correspondingly, carry thing slewing equipment as an important automation equipment, it is extensive in the aspect of commodity circulation, mining industry, but there are a great deal of problems in most automatic rotary machining production equipment on the present market, for example bulky, area is wide, the structure is not compact, unreasonable and the precision is low, and to the unable accurate butt joint of goods that come, need artifical adjustment centering and transportation, can't satisfy present market to the requirement of high automation. Therefore, an automatic rotating device which is simple and convenient to operate, has a small error rate and can automatically center and convey is urgently needed.

Disclosure of Invention

In order to solve the technical problems, the invention provides a conveying and carrying revolving device with a centering function, which comprises a centering conveying device, a carrying revolving platform and a controller, wherein the centering conveying device comprises a conveying frame and a centering mechanism, the conveying frame comprises a frame body and conveying rollers, the conveying rollers are parallelly pivoted on the frame body, the centering mechanism is arranged below the conveying frame, and centering push rods on two sides of the centering mechanism extend upwards from the conveying rollers of the conveying frame; the object carrying rotary table comprises a rotary table bottom frame, a cam divider, a driving motor, a support frame, a brake roller object carrying table and a guide baffle plate; the cam divider is fixed on the bottom frame of the rotary table, the driving motor is fixed on the side edge of the cam divider, and an output shaft of the driving motor is connected with an input shaft at one end of the cam divider; the bottom of the support frame is connected with an output shaft at the upper part of the cam divider, the brake roller objective table is fixed at the upper part of the support frame, and two sides of the brake roller objective table are respectively provided with a guide baffle; a conveying frame of the centering conveying device is butted with a brake roller object carrying table of the object carrying rotary table; the centering conveying device and the object carrying rotary table are respectively connected with a controller.

The conveying frame is provided with a first photoelectric switch, and the first photoelectric switch is connected with the controller; the centering mechanism comprises a centering mechanism underframe, a first air cylinder, a second air cylinder, a first slide rail bracket, a second slide rail bracket, a slide rail, a first moving plate, a second moving plate and a centering push rod, wherein the first air cylinder, the second air cylinder, the first slide rail bracket and the second slide rail bracket are arranged on the upper part of the centering mechanism underframe in parallel along the transverse direction of the centering mechanism underframe; the two ends of the first sliding rail support and the second sliding rail support are respectively provided with a sliding rail, the first moving plate is connected with the sliding rail arranged at the same end of the first sliding rail support and the second sliding rail support through a sliding block, and the second moving plate is connected with the sliding rail arranged at the other end of the first sliding rail support and the second sliding rail support through a sliding block; a plurality of centering push rods are respectively arranged on the first moving plate and the second moving plate at equal intervals; the head ends of the piston rods of the first cylinder and the second cylinder are connected with the first moving plate, and the tail ends of the cylinder bodies of the first cylinder and the second cylinder are connected with the second moving plate.

The pneumatic three-linkage part, the electromagnetic valve and the hand slide valve are respectively arranged on the chassis of the centering mechanism, the first cylinder and the second cylinder are respectively connected with the pneumatic three-linkage part, the electromagnetic valve and the air source in sequence through pipelines, and the electromagnetic valve is connected with the controller; the hand slide valve is installed on the pneumatic triple piece.

The outer side ends of the first sliding rail support and the second sliding rail support are respectively provided with an outer limiting block for limiting the limit positions of the outer sides of the first moving plate and the second moving plate, and the centering mechanism underframe on the inner sides of the first moving plate and the second moving plate is respectively provided with an inner limiting block for limiting the limit positions of the inner sides of the first moving plate and the second moving plate.

The bottom of the frame body of the conveying frame is provided with a bolt connecting plate, the chassis of the rotary table comprises a bottom plate, a protective plate frame, feet and the bolt connecting plate, the protective plate frame is fixed on the bottom plate, and the feet and the bolt connecting plate are arranged at four corners of the protective plate frame respectively.

The supporting frame comprises a supporting frame bottom plate, a supporting beam and a brake, and the lower part of the supporting frame bottom plate is fixedly connected with an output shaft of the cam divider; the supporting beam is arranged on the bottom plate of the supporting frame; the brake is fixed on the supporting beam; the brake roller object stage comprises roller fixing frames and brake rollers, the roller fixing frames are respectively arranged at two ends of the supporting beam, a plurality of brake rollers are parallelly pivoted between the roller fixing frames at the two ends, and two adjacent brake rollers are in transmission connection through a first transmission belt; an output shaft of the brake is in transmission connection with the brake drum through a second transmission belt; a sliding ring is arranged in the middle of an output shaft of the cam divider and is fixed on the output shaft of the cam divider through sliding ring fixing plates on two sides; a through hole is formed in the middle of the bottom plate of the support frame, and a sliding ring on the cam divider is positioned in the through hole; a slip ring protective cover is arranged above the through hole of the bottom plate of the support frame; the brake is connected with the controller through a lead and a slip ring; and a second photoelectric switch is arranged in the middle of the guide baffle and is connected with the controller through a lead and a slip ring.

The inlet end of the brake roller objective table is provided with a connecting table which is fixed on the supporting frame, and an auxiliary roller is pivoted on the connecting table through a roller bracket and a bearing; the tail end of brake drum objective table is equipped with the tail end baffle, and the goods drops when the tail end baffle can prevent that the system outage from becoming invalid.

One end of the brake is fixedly connected with the supporting cross beam through a first brake fixing plate, a brake roller is arranged on an output shaft of the brake, the other end of the brake output shaft is pivoted with a second brake fixing plate through a deep groove ball bearing and a bearing seat, and the second brake fixing plate is fixedly connected with the supporting cross beam; the second transmission belt is sleeved between the brake roller and the brake roller.

The guide baffle is provided with a plurality of guide wheel assemblies arranged side by side, and each guide wheel assembly comprises a bearing shaft, a guide wheel and a deep groove ball bearing; the bearing shaft is vertically fixed on the guide baffle, and the guide wheel is pivoted on the bearing shaft through a deep groove ball bearing; a guide wheel position hole is formed in the position, corresponding to the guide wheel, of the guide baffle plate, and the guide wheel extends out of the guide wheel position hole; two sets of guide baffles are arranged oppositely, and the inlet ends of the guide baffles are opened outwards by a certain angle.

A rotary position detection sensor is arranged at the lower part of the bottom plate of the support frame, and rotary position detection switch frames matched with the rotary position detection sensor are arranged around the cam divider; an input shaft angle detection sensor is arranged at the other end of the input shaft of the cam divider, and an angle detection switch frame is arranged at the side edge of the cam divider at a position corresponding to the input shaft angle detection sensor; the rotary position detection sensor is connected with the controller through a slip ring arranged in the middle of an output shaft of the cam divider; the input shaft rotation angle detection sensor is connected with the controller.

The working principle and the process of the invention are as follows:

the brake roller objective table is controlled by the controller to output control information to control the driving motor to start, so that the cam shaft of the cam divider is driven to rotate, the force-output turret meshed with the cam shaft is driven to rotate, the output torque of the output shaft drives the support frame and the brake roller objective table to rotate for a certain angle, and the brake roller objective table is butted with the conveying frame at an initial position connecting table.

The goods that need carry is put on centering conveyor's carriage by fork truck or other devices, trigger first photoelectric switch, send control signal for the solenoid valve by the controller, and then control the piston rod shrink of first cylinder and second cylinder, pulling first movable plate and second movable plate along the slide rail on first slide rail support and the second slide rail support motion in opposite directions, the centering push rod on first movable plate and the second movable plate makes the goods material above reach the effect of alignment between two parties, after the goods material is placed between two parties, make first movable plate and second movable plate outwards move through adjusting the solenoid valve, will stop the motion after arriving outer stopper respectively, then push the goods material on the brake drum objective table with the carriage butt joint through artifical or other mechanical device.

The goods are conveyed to the connecting table through the conveying frame, the goods continue to move forwards to the brake roller object stage through the auxiliary roller on the connecting table under the action of inertia, when the goods reach the middle position of the brake roller object stage, a second photoelectric switch in the middle of the guide baffle plate is triggered, the second photoelectric switch outputs a signal to the controller, then the controller outputs control information to control the brake to operate, the brake roller drives the second driving belt to pull the brake roller to rotate along the opposite direction of the movement of the goods, and further, the first driving belt drives all the brake rollers to rotate mutually through transmission, so that the brake effect on the goods is achieved, the goods are stopped on the brake roller object stage, and the controller can control the brake to output different brake forces according to the weight of the goods, so that the goods can be stopped at the proper position on the brake roller object stage; the guide baffle and the guide wheel play a role in guiding; after the goods are stopped and stable, the driving motor is restarted to drive the cam shaft of the cam divider to rotate, so that the output force turret meshed with the cam shaft is driven to rotate intermittently, the output torque of the output shaft drives the brake roller object stage to rotate, the goods are made to rotate intermittently, the rotating position detection sensor is matched with the rotating position detection switch frame through the rotating position detection switch frame to detect the rotating position of the goods and send a signal to the controller, the input shaft angle detection sensor of the cam divider is matched with the rotating angle detection switch frame to detect the rotating angle of the input shaft and send a signal to the controller, and the controller controls the driving motor to rotate corresponding torque to enable the goods to rotate to a required angle.

The invention has the beneficial effects that:

the centering mechanism is simple and reliable in structure, the push plates on two sides of the centering mechanism are driven by the air cylinder to move relatively at the same speed to realize automatic centering of cargos, the cam divider is used for carrying out intermittent rotary motion, the cam shaft and the output turret are used for meshing transmission, and compared with the traditional intermittent mechanisms such as a grooved pulley, a ratchet wheel and the like, the centering mechanism is stable in transmission, accurate in action, high in output segmentation precision and good in high-speed performance, does not need other locking elements at all, can realize arbitrary determined dynamic-static ratio and segmentation number, and ensures that the rotating angle of the rotary objective table is accurate; under the cooperation of the brake and the brake roller, the cargo can be effectively and accurately braked and stopped at a proper position; the invention has high automation degree and wide application scene, and is suitable for market popularization.

Drawings

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

FIG. 2 is a schematic structural diagram of a centering mechanism of the centering and conveying device of the present invention;

FIG. 3 is a schematic view of the object turret of the present invention;

FIG. 4 is a schematic view of a turret base frame of the subject turret of the present invention;

FIG. 5 is a schematic view of a supporting frame of the object turret of the present invention;

FIG. 6 is a schematic view of a brake roller stage of the subject turntable according to the present invention;

FIG. 7 is a schematic view of a cam divider of the subject turret of the present invention;

FIG. 8 is a schematic view of the actuator of the object turret of the present invention;

FIG. 9 is a schematic cross-sectional view of the actuator of the subject turntable;

1. a centering conveying device, 2, an object rotary table, 3, a controller, 4, a conveying frame, 5, a centering mechanism, 6, a frame body, 7, a conveying roller, 8, a rotary table underframe, 9, a cam divider, 10, a driving motor, 11, a supporting frame, 12, a brake roller objective table, 13, a guide baffle plate, 14, a first photoelectric switch, 15, a centering mechanism underframe, 16, a first air cylinder, 17, a second air cylinder, 18, a first slide rail bracket, 19, a second slide rail bracket, 20, a slide rail, 21, a first moving plate, 22, a second moving plate, 23, a centering push rod, 24, a pneumatic triple piece, 25, an electromagnetic valve, 26, a hand slide valve, 27, an outer limiting block, 28, an inner limiting block, 29, a bottom plate, 30, a guard board frame, 31, a ground foot, 32, a bolt connecting plate, 33, a support frame bottom plate, 34, a first support beam, 35, a second support beam, 36, a third support beam, 37, a fourth support beam, 38, a brake, 39, a roller fixing frame, 40, a brake roller, 41, a first transmission belt, 42, a second transmission belt, 43, a slip ring, 44, a slip ring fixing plate, 45, a slip ring protection cover, 46, a second photoelectric switch, 47, a connecting table, 48, an auxiliary roller, 49, a tail end baffle, 50, a first brake fixing plate, 51, a brake roller, 52, a second brake fixing plate, 53, a bearing shaft, 54, a guide wheel, 55, a guide wheel position hole, 56, a rotation position detection sensor, 57, a rotation position detection switch frame, 58, an input shaft angle detection sensor, 59 and a rotation angle detection switch frame.

Detailed Description

Shown in conjunction with figures 1-9:

the invention provides a conveying and carrying revolving device with a centering function, which comprises a centering conveying device 1, a carrying revolving platform 2 and a controller 3, wherein the centering conveying device 1 comprises a conveying frame 4 and a centering mechanism 5, the conveying frame 4 comprises a frame body 6 and a conveying roller 7, and the conveying roller 7 is parallelly pivoted on the frame body 6 and can be connected with a power input device to enable the conveying roller 7 to automatically roll; the centering mechanism 5 is arranged below the conveying frame 4, and centering push rods 23 on two sides of the centering mechanism 5 extend upwards from the space between the conveying rollers 7 of the conveying frame 4; the object carrying rotary table 2 comprises a rotary table underframe 8, a cam divider 9, a driving motor 10, a supporting frame 11, a brake roller object carrying table 12 and a guide baffle 13; the cam divider 9 is fixed on the rotary table underframe 8, the driving motor 10 is fixed on the side edge of the cam divider 9, and the output shaft of the driving motor 10 is connected with the input shaft at one end of the cam divider 9; the bottom of the support frame 11 is connected with an output shaft at the upper part of the cam divider 9, a brake roller object stage 12 is fixed at the upper part of the support frame 11, and guide baffles 13 are respectively arranged at two sides of the brake roller object stage 12; the conveying frame 4 of the centering conveying device 1 is butted with a brake roller object stage 12 of the object revolving platform 2; the centering conveyor 1 and the object rotary table 2 are respectively connected with a controller 3, and the controller 3 is fixed on a rotary table underframe 8 of the object rotary table 2 in the embodiment.

The conveying frame 4 is provided with a first photoelectric switch 14, and the first photoelectric switch 14 is connected with the controller 3; the centering mechanism 5 comprises a centering mechanism underframe 15, a first air cylinder 16, a second air cylinder 17, a first slide rail bracket 18, a second slide rail bracket 19, a slide rail 20, a first moving plate 21, a second moving plate 22 and a centering push rod 23, wherein the first air cylinder 16, the second air cylinder 17, the first slide rail bracket 18 and the second slide rail bracket 19 are arranged on the upper part of the centering mechanism underframe 15 in parallel along the transverse direction of the centering mechanism underframe 15, the first slide rail bracket 18 and the second slide rail bracket 19 are arranged on the outer side, and the first air cylinder 16 and the second air cylinder 17 are arranged on the inner sides of the first slide rail bracket 18 and the second slide rail bracket 19; the two ends of the first slide rail bracket 18 and the second slide rail bracket 19 are respectively provided with a slide rail 20, the first moving plate 21 is connected with the slide rail 20 arranged at the same end of the first slide rail bracket 18 and the second slide rail bracket 19 through a slide block, and the second moving plate 22 is connected with the slide rail 20 arranged at the other end of the first slide rail bracket 18 and the second slide rail bracket 19 through a slide block; 3 centering push rods 23 are respectively arranged on the first moving plate 21 and the second moving plate 22 at equal intervals; the head ends of the piston rods of the first cylinder 16 and the second cylinder 17 are connected with the first moving plate 21, and the tail ends of the cylinder bodies of the first cylinder 16 and the second cylinder 17 are connected with the second moving plate 22.

The centering mechanism comprises a centering mechanism underframe 15, a pneumatic triple piece 24, an electromagnetic valve 25 and a hand slide valve 26, wherein the electromagnetic valve 25 and the pneumatic triple piece 24 are respectively arranged on the centering mechanism underframe 15, a first air cylinder 16 and a second air cylinder 17 are respectively connected with the pneumatic triple piece 24, the electromagnetic valve 25 and an air source in sequence through pipelines, the electromagnetic valve 25 is connected with a controller 3, and piston rods of the first air cylinder 16 and the second air cylinder 17 are controlled to stretch; hand spool valve 26 is mounted on pneumatic triplet 24.

Outer limit blocks 27 are respectively arranged at the outer side ends of the first slide rail bracket 18 and the second slide rail bracket 19 and used for limiting the outer limit positions of the first moving plate 21 and the second moving plate 22, and inner limit blocks 28 are respectively arranged on the centering mechanism underframe 15 at the inner sides of the first moving plate 21 and the second moving plate 22 and used for limiting the inner limit positions of the first moving plate 21 and the second moving plate 22.

The rotary table underframe 8 comprises a bottom plate 29, an guard plate frame 30, feet 31 and bolt connecting plates 32, wherein the guard plate frame 30 is fixed on the bottom plate 29, and the feet 31 and the bolt connecting plates 32 are respectively arranged at four corners of the guard plate frame 30 and are fixed through the feet 31 and the bolt connecting plates 32.

The support frame 11 comprises a support frame bottom plate 33, a first support cross beam 34, a second support cross beam 35, a third support cross beam 36, a fourth support cross beam 37 and a brake 38, and the lower part of the support frame bottom plate 33 is fixedly connected with an output shaft of the cam divider 9; the second supporting beam 35 and the third supporting beam 36 are arranged on the supporting frame bottom plate 33; two stoppers 38 are fixed between the first and

second support beams

34 and 35 and between the third and

fourth support beams

36 and 37, respectively; the brake roller object stage 12 comprises a roller fixing frame 39 and brake rollers 40, the roller fixing frame 39 is respectively arranged at two ends of a first supporting beam 34, a second supporting beam 35, a third supporting beam 36 and a fourth supporting beam 37, a plurality of brake rollers 40 are parallelly pivoted between the roller fixing frames 39 at the two ends, and two adjacent brake rollers 40 are in transmission connection through a first transmission belt 41; the output shaft of the brake 38 is in transmission connection with the brake drum 40 through a second transmission belt 42; a sliding ring 43 is arranged in the middle of an output shaft of the cam divider 9, and the sliding ring 43 is fixed on the output shaft of the cam divider 9 through sliding ring fixing plates 44 on two sides; a through hole is formed in the middle of the support frame bottom plate 33, and a sliding ring 43 on the cam divider 9 is positioned in the through hole; a slip ring protective cover 45 is arranged above the through hole of the support frame bottom plate 33; the brake 38 is connected with the controller 3 through a lead and a slip ring 43; the middle part of the guide baffle 13 is provided with a second photoelectric switch 46, and the second photoelectric switch 46 is connected with the controller 3 through a lead and a slip ring 43.

A connecting table 47 is arranged at the inlet end of the brake roller object stage 12, the connecting table 47 is fixed on the support frame 11, and an auxiliary roller 48 is pivoted on the connecting table 47 through a roller bracket and a bearing; the tail end of the brake drum object stage 12 is provided with a tail end baffle 49, and the tail end baffle 49 can prevent goods from falling off when the system is in power failure.

One end of the brake 38 is fixedly connected with the supporting cross beam through a first brake fixing plate 50, a brake roller 51 is arranged on an output shaft of the brake 38, the other end of the output shaft of the brake 38 is pivoted with a second brake fixing plate 52 through a deep groove ball bearing and a bearing seat, and the second brake fixing plate 52 is fixedly connected with the supporting cross beam; the second belt 42 is disposed between the brake drum 40 and the brake roller 51.

The guide baffle 13 is provided with a plurality of guide wheel assemblies arranged side by side, and each guide wheel assembly comprises a bearing shaft 53, a guide wheel 54 and a deep groove ball bearing; the bearing shaft 53 is vertically fixed on the guide baffle 13, and the guide wheel 54 is pivoted on the bearing shaft 53 through a deep groove ball bearing; a guide wheel position hole 55 is formed in the position, corresponding to the guide wheel 54, of the guide baffle 13, and the guide wheel 54 extends out of the guide wheel position hole 55; two sets of guide baffles 13 are arranged oppositely, and the inlet ends of the guide baffles 13 are outwards opened at a certain angle.

A rotary position detection sensor 56 is arranged at the lower part of the support frame bottom plate 33, and a rotary position detection switch frame 57 matched with the rotary position detection sensor 56 is arranged around the cam divider 9; an input shaft rotation angle detection sensor 58 is arranged at the other end of the input shaft of the cam divider 9, and a rotation angle detection switch frame 59 is arranged at a position corresponding to the input shaft rotation angle detection sensor 58 on the side edge of the cam divider 9; the rotational position detection sensor 56 is connected to the controller 3 through a slip ring 43 provided in the middle of the output shaft of the cam divider 9; the input shaft rotation angle detection sensor 58 is connected to the controller 3.

The working principle and the process of the invention are as follows:

the brake roller stage 12 is controlled by the controller 3 to output control information to control the driving motor 10 to start, so as to drive the cam shaft of the cam divider 9 to rotate, thereby driving the force-exerting turret engaged therewith to rotate, and the output torque of the output shaft drives the support frame 11 and the brake roller stage 12 to rotate by a certain angle, so that the connecting table 47 is butted with the conveying frame 4 when the brake roller stage 12 is at the initial position.

The goods to be conveyed are placed on the conveying frame 4 of the centering conveying device 1 by a forklift or other devices, the first photoelectric switch 14 is triggered, the controller 3 sends a control signal to the electromagnetic valve 25, so that piston rods of the first air cylinder 16 and the second air cylinder 17 are controlled to contract, the first moving plate 21 and the second moving plate 22 are pulled to move oppositely along the sliding rails 20 on the first sliding rail support 18 and the second sliding rail support 19, the centering push rods 23 on the first moving plate 21 and the second moving plate 22 enable the goods to achieve the effect of centering alignment, after the goods are centered, the first moving plate 21 and the second moving plate 22 are enabled to move reversely by adjusting the electromagnetic valve 25 and respectively stop moving after reaching the outer limiting blocks 27, and then the goods are pushed onto the brake roller carrying table 12 butted with the conveying frame 4 by manual work or other mechanical devices.

The cargo is conveyed to a connecting table 47 through the conveying frame 4, the cargo continuously moves forwards to the brake roller object table 12 through an auxiliary roller 48 on the connecting table 47 under the action of inertia, when the cargo reaches the middle position of the brake roller object table 12, a second photoelectric switch 46 in the middle of the guide baffle plate 13 is triggered, the second photoelectric switch 46 outputs signals to the controller 3, then the controller 3 outputs control information to control the brake 38 to operate, the brake roller 51 drives a second transmission belt 42 to pull the brake roller 40 to rotate along the reverse direction of the movement of the cargo, and then the first transmission belt 41 drives all the brake rollers 40 to rotate in a mutual transmission manner, so that the cargo is braked, the cargo is stopped on the brake roller object table 12, and the controller 3 can control the brake 38 to output different braking forces according to the weight of the cargo, so that the cargo can be stopped at a proper position on the brake roller object table 12; the guide baffle 13 and the guide wheel play a role in guiding; after the goods are stopped, the driving motor 10 is started again to drive the cam shaft of the cam divider 9 to rotate, so as to drive the output turret engaged with the cam shaft to rotate intermittently, the output torque of the output shaft drives the brake drum object stage 12 to rotate, so that the goods rotate intermittently, the rotating position detection sensor 56 is matched with the rotating position detection switch frame 57 to detect the rotating position of the goods and send a signal to the controller 3, the input shaft angle detection sensor 58 of the cam divider 9 is matched with the rotating position detection switch frame 59 to detect the rotating angle of the input shaft and send a signal to the controller 3, and the controller 3 controls the driving motor 10 to rotate corresponding torque, so that the goods rotate to a required angle.

Claims

1. The utility model provides a carry and carry thing slewer with centering function which characterized in that: the centering conveying device comprises a conveying frame and a centering mechanism, the conveying frame comprises a frame body and conveying rollers, the conveying rollers are pivoted on the frame body side by side, the centering mechanism is arranged below the conveying frame, and centering push rods on two sides of the centering mechanism extend out of the conveying rollers of the conveying frame; the object carrying rotary table comprises a rotary table bottom frame, a cam divider, a driving motor, a support frame, a brake roller object carrying table and a guide baffle plate; the cam divider is fixed on the bottom frame of the rotary table, the driving motor is fixed on the side edge of the cam divider, and an output shaft of the driving motor is connected with an input shaft at one end of the cam divider; the bottom of the support frame is connected with an output shaft at the upper part of the cam divider, the brake roller objective table is fixed at the upper part of the support frame, and two sides of the brake roller objective table are respectively provided with a guide baffle; a conveying frame of the centering conveying device is butted with a brake roller object carrying table of the object carrying rotary table; the centering conveying device and the object carrying rotary table are respectively connected with the controller;

the first photoelectric switch is arranged on the conveying frame and connected with the controller; the centering mechanism comprises a centering mechanism underframe, a first air cylinder, a second air cylinder, a first slide rail bracket, a second slide rail bracket, a slide rail, a first moving plate, a second moving plate and a centering push rod, wherein the first air cylinder, the second air cylinder, the first slide rail bracket and the second slide rail bracket are arranged on the upper part of the centering mechanism underframe in parallel along the transverse direction of the centering mechanism underframe; the two ends of the first sliding rail support and the second sliding rail support are respectively provided with a sliding rail, the first moving plate is connected with the sliding rail arranged at the same end of the first sliding rail support and the second sliding rail support through a sliding block, and the second moving plate is connected with the sliding rail arranged at the other end of the first sliding rail support and the second sliding rail support through a sliding block; a plurality of centering push rods are respectively arranged on the first moving plate and the second moving plate at equal intervals; the head ends of piston rods of the first cylinder and the second cylinder are connected with the first moving plate, and the tail ends of cylinder bodies of the first cylinder and the second cylinder are connected with the second moving plate;

the supporting frame comprises a supporting frame bottom plate, a supporting beam and a brake, and the lower part of the supporting frame bottom plate is fixedly connected with an output shaft of the cam divider; the supporting beam is arranged on the bottom plate of the supporting frame; the brake is fixed on the supporting beam; the brake roller objective table comprises roller fixing frames and brake rollers, the roller fixing frames are respectively arranged at two ends of the supporting beam, a plurality of brake rollers are parallelly pivoted between the roller fixing frames at the two ends, and two adjacent brake rollers are in transmission connection through a first transmission belt; the output shaft of the brake is in transmission connection with the brake drum through a second transmission belt; the middle part of an output shaft of the cam divider is provided with a slip ring, and the slip ring is fixed on the output shaft of the cam divider through slip ring fixing plates on two sides; a through hole is formed in the middle of the bottom plate of the support frame, and a sliding ring on the cam divider is positioned in the through hole; a slip ring protective cover is arranged above the through hole of the bottom plate of the support frame; the brake is connected with the controller through a lead and a slip ring; the middle part of the guide baffle is provided with a second photoelectric switch which is connected with the controller through a lead and a slip ring;

a rotary position detection sensor is arranged at the lower part of the bottom plate of the support frame, and a rotary position detection switch frame matched with the rotary position detection sensor is arranged around the cam divider; the other end of the input shaft of the cam divider is provided with an input shaft rotation angle detection sensor, and a rotation angle detection switch frame is arranged on the side edge of the cam divider and in a position corresponding to the input shaft rotation angle detection sensor; the rotating position detection sensor is connected with the controller through a slip ring arranged in the middle of an output shaft of the cam divider; the input shaft rotation angle detection sensor is connected with the controller;

the control method of the object carrying rotary table comprises the following steps:

the goods are conveyed to the connecting table through the conveying frame, the goods continue to move forwards to the brake roller objective table through the auxiliary roller on the connecting table under the action of inertia, when the goods reach the middle position of the brake roller objective table, the second photoelectric switch in the middle of the guide baffle plate is triggered, the second photoelectric switch outputs signals to the controller, then the controller outputs control information to control the brake to operate, the brake roller is driven by the brake roller to drive the second driving belt to pull the brake roller to rotate along the opposite direction of the movement of the goods, all the brake rollers are driven to rotate through mutual transmission of the first driving belt, the braking effect on the goods is achieved, the goods are stopped on the brake roller objective table, the controller can control the brake to output different braking forces according to the weight of the goods, and the goods can be stopped at proper positions on the brake roller objective table; the guide baffle and the guide wheel play a role in guiding; after the goods are stopped and stable, the driving motor is restarted to drive the cam shaft of the cam divider to rotate, so that the output force turret meshed with the cam shaft is driven to rotate intermittently, the output torque of the output shaft drives the brake roller object stage to rotate, the goods are made to rotate intermittently, the rotating position detection sensor is matched with the rotating position detection switch frame through the rotating position detection switch frame to detect the rotating position of the goods and send a signal to the controller, the input shaft angle detection sensor of the cam divider is matched with the rotating angle detection switch frame to detect the rotating angle of the input shaft and send a signal to the controller, and the controller controls the driving motor to rotate corresponding torque to enable the goods to rotate to a required angle.

2. The conveying and carrying rotary device with centering function as claimed in claim 1, characterized in that: the pneumatic three-joint part, the electromagnetic valve and the hand slide valve are respectively arranged on the centering mechanism underframe, the first cylinder and the second cylinder are respectively connected with the pneumatic three-joint part, the electromagnetic valve and the air source in sequence through pipelines, and the electromagnetic valve is connected with the controller; the hand slide valve is installed on the pneumatic triple piece.

3. The conveying and carrying rotary device with centering function according to claim 1, characterized in that: outer limiting blocks are respectively arranged at the outer side ends of the first sliding rail bracket and the second sliding rail bracket to limit the limit positions of the outer sides of the first moving plate and the second moving plate; inner limiting blocks are respectively arranged on the centering mechanism underframe at the inner sides of the first moving plate and the second moving plate to limit the limit positions at the inner sides of the first moving plate and the second moving plate.

4. The conveying and carrying rotary device with centering function according to claim 1, characterized in that: the bottom of the frame body of the conveying frame is provided with a bolt connecting plate; the rotary table bottom frame comprises a bottom plate, a protection plate frame, feet and bolt connecting plates, wherein the protection plate frame is fixed on the bottom plate, and the feet and the bolt connecting plates are arranged at four corners of the protection plate frame respectively.

5. The conveying and carrying rotary device with centering function according to claim 1, characterized in that: one end of the brake is fixedly connected with the supporting cross beam through a first brake fixing plate, a brake roller is arranged on an output shaft of the brake, the other end of the output shaft of the brake is pivoted with a second brake fixing plate through a deep groove ball bearing and a bearing seat, and the second brake fixing plate is fixedly connected with the supporting cross beam; the second transmission belt is sleeved between the brake roller and the brake roller.

6. The conveying and carrying rotary device with centering function according to claim 1, characterized in that: the inlet end of the brake roller objective table is provided with a connecting table which is fixed on the supporting frame, and an auxiliary roller is pivoted on the connecting table through a roller bracket and a bearing; the tail end of the brake roller objective table is provided with a tail end baffle.

7. The conveying and carrying rotary device with centering function according to claim 1, characterized in that: the guide baffle is provided with a plurality of guide wheel assemblies arranged side by side, and each guide wheel assembly comprises a bearing shaft, a guide wheel and a deep groove ball bearing; the bearing shaft is vertically fixed on the guide baffle, and the guide wheel is pivoted on the bearing shaft through a deep groove ball bearing; a guide wheel position hole is formed in the position, corresponding to the guide wheel, of the guide baffle, and the guide wheel extends out of the guide wheel position hole; two sets of guide baffles are arranged oppositely, and the inlet ends of the guide baffles are opened outwards by a certain angle.