CN220333819U - Runway type circulating conveying device - Google Patents

Abstract

The utility model relates to the technical field of product conveying, in particular to a runway type circulating conveying device which comprises a bracket, a driving fluted disc, a driving motor, a driven fluted disc, a chain, a circular sliding rail, a plurality of conveying carriers and carrier positioning components, wherein the driving fluted disc is arranged on the bracket; the driving fluted disc is rotationally connected to the connecting bracket, the output shaft of the driving motor is fixedly connected with the driving fluted disc, the driven fluted disc is rotationally connected to the connecting bracket, the chain is in tensioning connection with the driving fluted disc and the driven fluted disc, the annular sliding rail is arranged on the bracket and surrounds the chain, the plurality of conveying carriers are arranged on the chain at intervals, and the bottom of each conveying carrier is provided with a plurality of pulleys; each pulley is in sliding fit with the annular sliding rail; the carrier positioning component is used for positioning the conveying carrier. The utility model has the advantages that the device can lead a plurality of conveying carriers to circularly convey on the bracket by matching the annular chain with the annular sliding rail, thereby greatly reducing the working pressure of operators.

Description

Runway type circulating conveying device

Technical Field

The utility model relates to the technical field of product conveying, in particular to a runway type circulating conveying device.

Background

In the production process of the piston sleeve, the produced piston sleeve is required to be subjected to quality detection one by one, in the existing detection conveying process, the piston sleeve carrying disc filled with the piston sleeve is placed at the feeding end by one operator, the piston sleeve carrying disc is conveyed to the detection position by the conveying belt, the piston sleeve on the piston sleeve carrying disc is grabbed to the detection position one by the mechanical arm to be detected, the piston sleeve is replaced to the piston sleeve carrying disc after detection, after all detection is completed, the piston sleeve carrying disc is conveyed to the discharging end, and the piston sleeve carrying disc after detection is taken down at the discharging end by another operator.

Through above-mentioned detection conveying process, need two operators to work respectively, the cost of labor is higher, manual operation intensity is great to in the conveyer belt conveying process, the conveyer belt is directly with the piston external member carrier plate carry to the assigned position after and carry out signal transmission through the sensor, but do not fix a position the piston external member carrier plate through positioner, can exist like this and take place the displacement with the piston external member carrier plate when the manipulator is taken, thereby lead to the inaccurate problem of manipulator taking.

Disclosure of Invention

The utility model aims to solve the technical problems that the working intensity of an operator is high and the positioning of a conveying carrier is unstable in the conveying process due to the conventional linear conveying mode, and provides a runway type circulating conveying device which is capable of circularly conveying, reducing the working intensity of the operator, saving time and labor, and simultaneously, conveniently positioning the conveying carrier through a carrier positioning assembly and improving the positioning precision and the positioning stability.

The utility model aims at realizing the following technical scheme:

a runway type circulating conveying device comprises a bracket, a driving fluted disc, a driving motor, a driven fluted disc, a chain, a ring-shaped sliding rail, a plurality of conveying carriers and carrier positioning components; the driving fluted disc is rotatably connected to the bracket and is horizontally arranged; the driving motor is arranged on the bracket, and an output shaft of the driving motor is fixedly connected with the driving fluted disc and drives the driving fluted disc to rotate; the driven fluted disc is rotatably connected to the bracket and is horizontally arranged; the chain is in tensioning connection with the driving fluted disc and the driven fluted disc, and the chain is enclosed into a closed ring; the annular sliding rail is arranged on the bracket and surrounds the chain, and the center of the annular sliding rail coincides with the center of the chain; the conveying carriers are arranged on the chain at intervals, and a plurality of pulleys are arranged at the bottom of each conveying carrier; each pulley is in sliding fit with the annular sliding rail; the carrier positioning assembly is arranged on the bracket and is used for positioning the conveying carrier. The device is matched with the annular sliding rail through the annular chain, a plurality of conveying carriers can be circularly conveyed on the support, the conventional conveying mode of the linear conveying belt is replaced, a loading tray is not required to be placed at a feeding end and a loading tray is required to be taken at a discharging end through two operators, only one person is required to feed and discharge at an initial position, the working pressure of the operators is greatly reduced, each loading tray can be conveniently positioned through the carrier positioning assembly, the follow-up manipulator can be ensured to stably grasp and detect a piston sleeve piece on the loading tray, and the accuracy and the stability of conveying and positioning are improved.

Preferably, the inner side wall of each conveying carrier is provided with a fixed connecting plate; two connecting holes are formed in the fixed connecting plate; connecting columns are arranged on two chain pins corresponding to the two connecting holes on the chain; the two connecting columns are respectively positioned in the two connecting holes, the tops of the connecting columns penetrate through the connecting holes, the tops of the two connecting columns are fixedly connected through clamp springs, and the two connecting columns are limited in the two connecting holes. Through with spliced pole and chain round pin fixed connection, with the spliced pole spacing in the connecting hole to carry out spacing fixedly through the jump ring, rotate through the chain, thereby drive and carry the carrier and remove along with the chain is along with, ensure to carry the synchronism of carrier and chain, promote and carry positioning accuracy.

Preferably, four pulleys are arranged at the bottom of each conveying carrier, and the four pulleys are distributed in an array, wherein two pulleys are in sliding fit with the inner wall of the annular sliding rail; the other two are in sliding fit with the outer wall of the annular sliding rail. The four pulleys can be limited on the annular sliding rail from the inner side and the outer side, so that the conveying carrier can be guaranteed to be conveyed along with a chain, meanwhile, the stability in the conveying process can be guaranteed, the annular sliding rail has a supporting effect on the conveying carrier, and further the conveying carrier is guaranteed to be conveyed in an orderly and stable mode.

Preferably, a carrier positioning block is arranged on the outer side wall of each conveying carrier; the outer side of the carrier positioning block is provided with a positioning bayonet with an outward opening; the carrier positioning assembly is clamped into the positioning bayonet to fix the carrier positioning block. The positioning clamping blocks on the carrier positioning assembly can be conveniently clamped in through the positioning clamping openings, so that the conveying carriers can be effectively positioned, the chain is prevented from moving, the positioning accuracy is improved, and the manipulator is ensured to stably and accurately grasp.

Preferably, the carrier positioning assembly comprises a positioning cylinder, a hinged plate, a positioning rotating shaft and at least one positioning clamping block; the positioning cylinder is arranged on the bracket; the telescopic rod of the positioning cylinder is hinged with one end of the hinged plate; the positioning rotating shaft is rotatably connected to the bracket through two rotating shaft brackets, and the other end of the hinged plate is fixedly sleeved on the positioning rotating shaft and drives the positioning rotating shaft to rotate through the hinged plate; the positioning clamping block is fixedly sleeved on the positioning rotating shaft, and when the positioning clamping block is positioned, the positioning clamping block is clamped into the positioning bayonet through rotation of the positioning rotating shaft. The hinge plate is driven to jack up outwards through the telescopic rod on the positioning cylinder, so that the hinge plate can drive the positioning clamping block on the positioning rotating shaft to rotate towards the conveying carrier, and then the positioning clamping block can be clamped into the positioning bayonet on the conveying carrier, and the conveying carrier is finally positioned accurately.

Preferably, the upper end of the positioning clamping block is provided with a cylindrical positioning clamping head; the positioning bayonet is U-shaped with an outward opening, and the diameter of the positioning bayonet is matched with the diameter of the positioning chuck. Through the shape phase-match of location dop and location bayonet socket, further conveniently carry out the joint, also can guarantee the positioning accuracy of joint in-process simultaneously.

Preferably, the piston assembly comprises a piston assembly carrier disc; positioning columns are arranged at the bottoms of the four corners of the piston sleeve carrying disc; four positioning jacks are arranged on the conveying carrier corresponding to the four positioning columns. Through the cooperation of reference column and location jack, conveniently fix the piston external member carrier plate on carrying the carrier to can remove along with carrying the carrier in the lump.

Preferably, a plurality of chain limiting brackets which are horizontally aligned and arranged at intervals are arranged on the bracket and positioned on the inner side of the annular sliding rail; the chain limiting bracket is provided with a chain limiting groove which is matched with the width of the chain and has an upward opening. The chain is supported through the chain limiting support conveniently, and meanwhile, the chain can be guaranteed to be conveyed in a straight line through the chain limiting groove.

Preferably, the bracket comprises a rectangular frame and two fluted disc mounting plates, wherein the two fluted disc mounting plates are respectively arranged at the tops of the left side and the right side of the rectangular frame; the driving fluted disc and the driven fluted disc are respectively connected to the two fluted disc mounting plates in a rotating way. The driving fluted disc and the driven fluted disc are conveniently installed through the fluted disc installation flat plate, and the driving motor is also conveniently fixed through the fluted disc installation flat plate.

In summary, the device has the advantages that the device is matched with the annular sliding rail through the annular chain, a plurality of conveying carriers can be circularly conveyed on the support, the traditional conveying mode of the linear conveying belt is replaced, the loading tray is not required to be placed at the feeding end by two operators and removed at the discharging end, only one person is required to feed and discharge at the initial position, the working pressure of the operators is greatly reduced, each loading tray can be conveniently positioned through the carrier positioning assembly, the follow-up manipulator can stably grasp and detect the piston sleeve piece on the loading tray, and the conveying positioning accuracy is improved.

Drawings

Fig. 1 is a schematic view of the track-type circulation conveyor of the present utility model.

Fig. 2 is a schematic structural view of a conveying carrier in the present utility model.

Fig. 3 is a schematic view of the structure of the pulley in the present utility model.

Fig. 4 is a schematic view of the bottom surface of the conveying carrier according to the present utility model.

FIG. 5 is a schematic view of a carrier positioning assembly according to the present utility model

FIG. 6 is a schematic view of a carrier plate of a piston assembly according to the present utility model

Wherein: 1. a bracket; 11. a rectangular frame; 12. a fluted disc mounting plate; 2. a driving fluted disc; 3. a driving motor; 4. a driven fluted disc; 5. a chain; 51. a chain pin; 6. a ring-shaped slide rail; 7. conveying the carrier; 71. a pulley; 72. fixing the connecting plate; 73. a connection hole; 74. a connecting column; 75. clamping springs; 76. a carrier positioning block; 77. positioning bayonets; 78. positioning the jack; 8. a carrier positioning assembly; 81. positioning a cylinder; 82. a hinged plate; 83. positioning a rotating shaft; 831. a rotating shaft bracket; 84. positioning a clamping block; 841. positioning a clamping head; 9. a piston sleeve load disc; 91. positioning columns; 10. a chain limiting bracket; 101. chain limit groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

As shown in fig. 1 to 6, a runway type circulating conveying device comprises a bracket 1, a driving fluted disc 2, a driving motor 3, a driven fluted disc 4, a chain 5, a ring-shaped sliding rail 6, six conveying carriers 7 and a carrier positioning assembly 8; the bracket 1 comprises a rectangular frame 11 and two fluted disc mounting plates 12, wherein the two fluted disc mounting plates 12 are respectively arranged at the tops of the left side and the right side of the rectangular frame 11; the driving fluted disc 2 and the driven fluted disc 4 are respectively connected on two fluted disc mounting plates 12 in a rotating way. The driving fluted disc 2 and the driven fluted disc 4 are conveniently installed through the fluted disc installation flat plate 12, and the driving motor 3 is also conveniently fixed through the fluted disc installation flat plate. The driving fluted disc 2 is rotationally connected to the bracket 1, and the driving fluted disc 2 is horizontally arranged; the driving motor 3 is arranged at the bottom of a fluted disc mounting flat plate 12 at the position of the driving fluted disc 2 through a motor bracket, and an output shaft at the top of the driving motor 3 is fixedly connected with the center of the driving fluted disc 2 and drives the driving fluted disc 2 to rotate through the driving motor 3. The driven fluted disc 4 is rotatably connected to the bracket 1, and the driven fluted disc 4 is horizontally arranged; the chain 5 is horizontally tensioned and connected to the driving fluted disc 2 and the driven fluted disc 4, and the chain 5 is enclosed into a closed ring shape through the driving fluted disc 2 and the driven fluted disc 4, the shape of the closed ring shape is consistent with that of a runway on a competition field, the two sides are arc parts, and the middle is a straight line part. The annular slide rail 6 is arranged on the bracket 1 and surrounds the chain 5, the annular slide rail 6 is also consistent with the runway shape, the center of the annular slide rail 6 is coincident with the center of the chain 5, and the annular slide rail 6 and the chain 5 form a concentric similar runway shape. Six conveying carriers 7 are arranged on the chain 5 at equal intervals, and a plurality of pulleys 71 are arranged at the bottom of each conveying carrier 7; each pulley 71 is in sliding fit with the annular slide rail 6; the carrier positioning component 8 is arranged on the support 1 and is positioned in the middle of the linear part on the annular sliding rail 6, the carrier positioning component 8 is used for positioning the conveying carrier 7, the conveying carrier 7 can be ensured to be fixedly positioned, and the quality detection is conveniently carried out after the grabbing and transferring of the follow-up manipulator. Through the cooperation of annular chain 5 and annular slide rail 6, can make a plurality of transport carrier 7 circulate on support 1 and carry, replaced the transportation mode of current straight line conveyer belt, need not to put the carrying tray and take the carrying tray at the discharge end through two operators in the feed end, only need one person go on go up the unloading in initial position can, alleviateed operator's operating pressure greatly, and can conveniently fix a position every carrying tray through carrier positioning assembly 8, ensure that follow-up manipulator can be stable snatch the detection to the piston external member on the piston external member carrying tray 9, promoted the accuracy and the stability of carrying carrier 7 transport location.

As shown in fig. 2 to 4, the inner side wall of each of the conveying carriers 7 is provided with a fixed connection plate 72; the fixed connection plate 72 is provided with two connection holes 73; the two chain pins 51 corresponding to the two connecting holes 73 on the chain 5 are provided with connecting columns 74; the two connecting columns 74 are respectively located in the two connecting holes 73, the tops of the connecting columns 74 penetrate through the connecting holes 73, clamping grooves are formed in the tops of the two connecting columns 74, the clamping grooves in the tops of the two connecting columns 74 are fixedly connected through clamping springs 75, and the two connecting columns 74 are limited in the two connecting holes 73. Through with spliced pole 74 and chain pin 51 fixed connection, with spliced pole 74 spacing in connecting hole 73 to carry out spacing fixedly through jump ring 75, rotate through chain 5, thereby drive and carry carrier 7 and remove along with chain 5 together, ensure the synchronism of carrying carrier 7 and chain, promote and carry positioning accuracy.

As shown in fig. 3 and 4, four pulleys 71 are arranged at the bottom of each conveying carrier 7, and the four pulleys 71 are distributed in an array, wherein two of the pulleys are in sliding fit with the inner wall of the annular sliding rail 6; the other two are in sliding fit with the outer wall of the annular sliding rail 6. The four pulleys 71 can be limited on the annular sliding rail 6 from the inner side and the outer side, so that the conveying carrier 7 can be guaranteed to be conveyed along with the chain 5, meanwhile, the stability in the conveying process can be guaranteed, the annular sliding rail 6 has a supporting effect on the conveying carrier 7, and further the orderly and stable conveying of the conveying carrier 7 is guaranteed.

As shown in fig. 2 to 4, a carrier positioning block 76 is provided on the outer side wall of each of the conveying carriers 7; the outer side of the carrier positioning block 76 is provided with a positioning bayonet 77 with an outward opening; the carrier positioning assembly 8 is clamped into the positioning bayonet 77 to fix the carrier positioning block 76. The positioning clamping blocks 84 on the carrier positioning assembly 8 can be conveniently clamped in through the positioning clamping openings 77, so that the conveying carriers 7 can be effectively positioned, the movement along with the chain 5 is prevented, the positioning accuracy is improved, and the stable and accurate grabbing of the manipulator can be ensured.

As shown in fig. 5, the carrier positioning assembly 8 includes a positioning cylinder 81, a hinge plate 82, a positioning shaft 83, two positioning blocks 84, and a positioning sensor; the positioning cylinder 81 is provided on the bracket 1; the telescopic rod of the positioning cylinder 81 is hinged with one end of the hinged plate 82; the positioning rotating shaft 83 is rotatably connected to the bracket 1 through two rotating shaft brackets 831, and the positioning rotating shaft 83 is arranged in parallel with the linear part of the annular sliding rail 6; the other end of the hinged plate 82 is fixedly sleeved on a positioning rotating shaft 83, and the positioning rotating shaft 83 is driven to rotate by the hinged plate 82; the positioning fixture block 84 is fixedly sleeved on the positioning rotating shaft 83, and when the positioning fixture block is positioned, the positioning fixture block 84 is clamped into the positioning bayonet 77 through the rotation of the positioning rotating shaft 83, and the positioning sensor is used for transmitting positioning signals to the positioning cylinder 81 when the conveying carrier disc 7 is conveyed to the carrier positioning assembly 8, so that the positioning cylinder 81 can be positioned, and the stability of the subsequent manipulator clamping process is ensured. The hinge plates 82 are driven to jack up outwards through the telescopic rods on the positioning air cylinders 81, so that the hinge plates 82 can drive the positioning clamping blocks 84 on the positioning rotating shafts 83 to rotate towards the conveying carrier 7, the positioning clamping blocks 84 can be clamped into the positioning bayonets 77 on the conveying carrier 7, and the conveying carrier 7 is positioned accurately finally. The upper end of the positioning clamping block 84 is provided with a cylindrical positioning clamping head 841; the positioning bayonet 77 is in a U shape with an outward opening, and the diameter of the positioning bayonet 77 is matched with the diameter of the positioning chuck 841. The positioning clamping heads 841 are matched with the positioning bayonets 77 in shape, so that the clamping is further facilitated, and meanwhile, the positioning precision in the clamping process can be ensured.

As shown in fig. 6, the piston set carrier plate 9 is further included; positioning columns 91 are arranged at the bottoms of the four corners of the piston set carrier plate 9; four positioning jacks 78 are provided on the conveying carrier 7 at positions corresponding to the four positioning posts 91. The positioning column 91 is matched with the positioning jack 78, so that the piston set carrier disc 9 is conveniently fixed on the conveying carrier 7, and can move along with the conveying carrier 7.

As shown in fig. 5, a plurality of chain limiting brackets 10 which are horizontally aligned and arranged at intervals are arranged on the bracket 1 and positioned on the inner side of the linear part of the annular sliding rail 6; the chain limiting bracket 10 is provided with a chain limiting groove 101 which is matched with the width of the chain 5 and has an upward opening. The chain 5 is supported conveniently through the chain limiting support 10, and meanwhile, the chain 5 can be guaranteed to be conveyed in a straight line through the chain limiting groove 101.

When in operation, an operator respectively places six piston sleeve carrier plates 9 filled with piston sleeve members on six conveying carriers 7, the six conveying carriers 7 are positioned at the straight line parts of the annular sliding rail 6 and are positioned opposite to the carrier positioning assembly 8, the driving motor 3 is started to drive the driving fluted disc 2 to rotate, the chain 5 is rotated to convey under the cooperation of the driving fluted disc 2, the driven fluted disc 4 and the chain 5, the six conveying carriers 7 are conveyed together with the chain 5, the two conveying carriers 7 positioned at the front end are conveyed to the carrier positioning assembly 8, signals are sent to the carrier positioning assembly 8 through the sensors, the telescopic rod on the positioning cylinder 81 on the carrier positioning assembly 8 drives the hinged plate 82 to jack outwards, so that the hinge plate 82 drives the two positioning clamping blocks 84 on the positioning rotating shaft 83 to synchronously rotate towards the conveying carriers 7, furthermore, the two positioning clamping blocks 84 can be respectively clamped into the positioning bayonets 77 on the two disc conveying carriers 7, the first disc conveying carrier 7 and the second disc conveying carrier 7 are finally and accurately positioned, after the positioning, the mechanical arm is convenient for grabbing and transferring the piston assemblies in the piston assembly carrier disc 9 on the conveying carrier 7 to the detection position one by one for quality detection, after the detection is finished, the qualified piston assemblies are put back onto the piston assembly carrier disc 9 through the mechanical arm, after all the detection is finished, the driving motor 3 drives the chain 5 to move and position the second disc piston assembly carrier disc 9 to the first disc piston assembly carrier disc 9, the piston assemblies on the second disc piston assembly carrier disc 9 are sequentially detected until all the six disc piston assembly carrier discs 9 are completely detected, an operator takes down all the six disc piston assembly carrier discs 9, a new six-disc piston set carrier disc 9 is placed again for detection.

In summary, the utility model has the advantages that the annular chain 5 and the annular sliding rail 6 are matched, so that a plurality of conveying carriers 7 can be circularly conveyed on the bracket 1, the traditional conveying mode of the linear conveying belt is replaced, two operators are not required to put the carrying disc at the feeding end and take the carrying disc at the discharging end, only one person is required to feed and discharge the carrying disc at the initial position, the working pressure of the operators is greatly reduced, each carrying disc can be conveniently positioned through the carrier positioning assembly 8, the follow-up manipulator can be ensured to stably grasp and detect the piston sleeve on the piston sleeve carrying disc 9, and the conveying positioning accuracy and stability of the conveying carriers 7 are improved.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (9)

1. The runway type circulating conveying device is characterized by comprising a bracket (1), a driving fluted disc (2), a driving motor (3), a driven fluted disc (4), a chain (5), a ring-shaped sliding rail (6), a plurality of conveying carriers (7) and carrier positioning components (8); the driving fluted disc (2) is rotationally connected to the bracket (1), and the driving fluted disc (2) is horizontally arranged; the driving motor (3) is arranged on the bracket (1), and an output shaft of the driving motor (3) is fixedly connected with the driving fluted disc (2) and drives the driving fluted disc (2) to rotate; the driven fluted disc (4) is rotationally connected to the bracket (1), and the driven fluted disc (4) is horizontally arranged; the chain (5) is in tensioning connection with the driving fluted disc (2) and the driven fluted disc (4), and the chain (5) is enclosed into a closed ring; the annular sliding rail (6) is arranged on the bracket (1) and surrounds the chain (5) inside, and the center of the annular sliding rail (6) is coincident with the center of the chain (5); the conveying carriers (7) are arranged on the chain (5) at intervals, and a plurality of pulleys (71) are arranged at the bottom of each conveying carrier (7); each pulley (71) is in sliding fit with the annular sliding rail (6); the carrier positioning assembly (8) is arranged on the support (1), and the carrier positioning assembly (8) is used for positioning the conveying carrier (7).

2. Runway type circulation conveyor according to claim 1, characterized in that the inner side wall of each conveyor carrier (7) is provided with a fixed connection plate (72); two connecting holes (73) are formed in the fixed connecting plate (72); connecting columns (74) are arranged on two chain pins (51) corresponding to the two connecting holes (73) on the chain (5); the two connecting columns (74) are respectively located in the two connecting holes (73), the tops of the connecting columns (74) penetrate through the connecting holes (73), the tops of the two connecting columns (74) are fixedly connected through the clamp springs (75), and the two connecting columns (74) are limited in the two connecting holes (73).

3. The runway type circulating conveying device according to claim 1, wherein four pulleys (71) are arranged at the bottom of each conveying carrier (7), the four pulleys (71) are distributed in an array, and two of the pulleys are in sliding fit with the inner wall of the annular sliding rail (6); the other two are in sliding fit with the outer wall of the annular sliding rail (6).

4. A racetrack circulation conveyor according to claim 1 or 2 or 3, characterized in that carrier positioning blocks (76) are provided on the outer side wall of each conveyor carrier (7); a positioning bayonet (77) with an outward opening is arranged on the outer side of the carrier positioning block (76); the carrier positioning assembly (8) is clamped into the positioning bayonet (77) to fix the carrier positioning block (76).

5. The racetrack circulation conveyor according to claim 4, wherein the carrier positioning assembly (8) comprises a positioning cylinder (81), a hinge plate (82), a positioning shaft (83) and at least one positioning block (84); the positioning cylinder (81) is arranged on the bracket (1); the telescopic rod of the positioning cylinder (81) is hinged with one end of the hinged plate (82); the positioning rotating shaft (83) is rotatably connected to the bracket (1) through two rotating shaft brackets (831), the other end of the hinge plate (82) is fixedly sleeved on the positioning rotating shaft (83), and the positioning rotating shaft (83) is driven to rotate through the hinge plate (82); the positioning clamping block (84) is fixedly sleeved on the positioning rotating shaft (83), and when the positioning clamping block is positioned, the positioning clamping block (84) is clamped into the positioning bayonet (77) through rotation of the positioning rotating shaft (83).

6. The runway type circulating conveyor as claimed in claim 5, wherein a cylindrical positioning chuck (841) is provided at an upper end of the positioning chuck block (84); the positioning bayonet (77) is U-shaped with an outward opening, and the diameter of the positioning bayonet (77) is matched with the diameter of the positioning chuck (841).

7. Runway type circulation conveyor according to claim 1, further comprising a piston set carrier disc (9); positioning columns (91) are arranged at the bottoms of the four corners of the piston sleeve loading disc (9);

four positioning jacks (78) are arranged on the conveying carrier (7) at positions corresponding to the four positioning columns (91).

8. The runway type circulating conveyor as claimed in claim 1, wherein a plurality of chain limiting brackets (10) which are horizontally aligned and arranged at intervals are arranged on the bracket (1) and positioned on the inner side of the annular sliding rail (6); the chain limiting bracket (10) is provided with a chain limiting groove (101) which is matched with the width of the chain (5) and has an upward opening.

9. The runway type circulating conveyor as claimed in claim 1, wherein the bracket (1) comprises a rectangular frame (11) and two fluted disc mounting plates (12), and the fluted disc mounting plates (12) are respectively arranged at the tops of the left side and the right side of the rectangular frame (11); the driving fluted disc (2) and the driven fluted disc (4) are respectively connected to two fluted disc mounting plates (12) in a rotating way.