CN213010513U - Circulation conveying equipment - Google Patents

Abstract

The utility model belongs to the technical field of the conveying equipment technique and specifically relates to indicate a circulation conveying equipment, including first linear transporter, second linear transporter, first transfer device and second transfer device, the direction of delivery of first linear transporter is opposite with the direction of delivery of second linear transporter, first transfer device is used for linking up the output of first linear transporter and the input of second linear transporter, second transfer device is used for linking up the output of second linear transporter and the input of first linear transporter, the output and the input of first linear transporter are equipped with first output device and first input device respectively, the output and the input of second linear transporter are equipped with second output device and second input device respectively. The utility model discloses not only realized the tool circulation transport for the product that the tool bore is outside or all the time inwards all the time at the in-process of carrying with the transfer all the time, and the product that the outside processing equipment of being convenient for bore the tool carries out processing.

Description

Circulation conveying equipment

Technical Field

The utility model belongs to the technical field of conveying equipment technique and specifically relates to indicate a circulation conveying equipment.

Background

In the process of industrial production, generally, the jig needs to be circularly conveyed by circular conveying equipment, so that the jig bears the product and is switched and moved among different processing equipment, and thus, the different processing equipment respectively carries out respective processing on the product. The existing circulating conveying equipment is generally formed by enclosing a plurality of sections of linear driving modules, and because the corner position of the circulating conveying equipment is the linear driving module, the orientation of a product borne by a jig can be changed in the conveying process of each section of linear driving module, so that the orientation of the product is inconsistent. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a circulation conveying equipment, it has not only realized carrying the tool circulation, still rotate between first linear transporter and second linear driver through transfer device drive tool for the product that the tool bore is outside or inside all the time (the orientation of product is unchangeable) all the time at the in-process of carrying with the transfer all the time, the uniformity of the product orientation that the tool bore has been guaranteed, the product that the outside processing equipment of being convenient for bore to the tool that the circulation removed carries is processed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circulating conveying device comprises a first linear conveyor, a second linear conveyor, a first transfer device and a second transfer device, wherein the conveying direction of the first linear conveyor is opposite to that of the second linear conveyor, the first transfer device is used for connecting the output end of the first linear conveyor with the input end of the second linear conveyor, the second transfer device is used for connecting the output end of the second linear conveyor with the input end of the first linear conveyor, the output end and the input end of the first linear conveyor are respectively provided with a first output device and a first input device, and the output end and the input end of the second linear conveyor are respectively provided with a second output device and a second input device.

Further, the first linear conveyor is provided with one or more first positioning devices distributed along the conveying direction of the first linear conveyor, and the second linear conveyor is provided with one or more second positioning devices distributed along the conveying direction of the second linear conveyor.

Furthermore, the first linear conveyor is connected with one or more first linkage mechanisms in a driving mode, the first linkage mechanisms are distributed along the conveying direction of the first linear conveyor, and the first linear driver is used for driving the first linkage mechanisms to move in a reciprocating mode.

Further, the second linear conveyor is connected with one or more second linkage mechanisms in a driving mode, the second linkage mechanisms are distributed along the conveying direction of the second linear conveyor, and the second linear driver is used for driving the second linkage mechanisms to reciprocate.

Furthermore, the first transfer device or/and the second transfer device comprises a base, a transfer seat rotatably arranged on the base, a rotation driving mechanism arranged on the base and used for driving the transfer seat to rotate, a linking slide rail arranged at the top of the transfer seat, a positioning mechanism arranged on the transfer seat and a detection device arranged at the top of the transfer seat.

Further, detection device is including all installing in first end sensor, second end sensor, the middle part sensor at the top of shifting the seat, the middle part sensor is located between first end sensor and the second end sensor, first end sensor, second end sensor and middle part sensor all are connected with positioning mechanism and rotation actuating mechanism electricity.

Furthermore, the positioning mechanism comprises a positioning driver arranged on the transfer seat and a positioning piece arranged at the output end of the positioning driver, and the positioning driver is used for driving the positioning piece to move up and down.

Furthermore, the bottom of the transfer seat is provided with a first trigger piece and a second trigger piece, the base is provided with a position switch, and the first trigger piece and the second trigger piece are respectively used for triggering the position switch.

Furthermore, the base is provided with a first stopper and a second stopper, and the first stopper and the second stopper are used for limiting the rotation range of the transfer seat.

Furthermore, the first output device, the first input device, the second output device or/and the second input device comprise a linear driver and a picking assembly arranged at the output end of the linear driver, and the picking assembly comprises a moving seat arranged at the output end of the linear driver, a lifting plate arranged on the moving seat in a lifting manner, a lifting driver arranged on the moving seat and used for driving the lifting plate to lift, and a picking piece arranged on the lifting plate.

The utility model has the advantages that: during actual operation, the top of the first transfer device is connected with the output end of the first linear conveyor, the first linear conveyor drives the jig to move close to the first transfer device until the jig moves to the output end of the first linear conveyor, the first output device conveys the jig to the top of the first transfer device, the first transfer device drives the jig to rotate by a preset angle, so that the top of the first transfer device is connected with the input end of the second linear conveyor, the second input device conveys the jig to the second linear conveyor, the top of the second transfer device is connected with the output end of the second linear conveyor, the second linear conveyor drives the jig to move close to the second transfer device until the jig moves to the output end of the second linear conveyor, the second output device conveys the jig to the top of the second transfer device, and the second transfer device drives the jig to rotate by the preset angle, the top of the second transfer device is connected with the input end of the first linear conveyor, the jig is conveyed to the first linear conveyor by the first input device, and the jig is conveyed by the first linear conveyor, so that the circular movement of the jig is realized. Preferably, the first transfer device and the second transfer device both drive the jig to rotate 180 °, and assuming that the top of the first transfer device is in a 0 ° position when engaged with the output end of the first linear conveyor, the top of the first transfer device is in a 180 ° position when engaged with the input end of the second linear conveyor, the top of the second transfer device is in a 180 ° position when engaged with the output end of the second linear conveyor, and the top of the second transfer device is in a 360 ° position when engaged with the input end of the first linear conveyor. The utility model discloses a compact structure has not only realized carrying the tool circulation, still rotates between first linear transporter and second linear driver through transfer device drive tool for the product that the tool bore is outside or inside all the time (the orientation of product is unchangeable) all the time at the in-process of carrying with the transfer all the time, has guaranteed the uniformity of the product orientation that the tool bore, and the product that the outside processing equipment of being convenient for bore to the tool of circulation removal carries out the processing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the first transfer device or the second transfer device according to the present invention.

Fig. 3 is a schematic perspective view of another view angle of the first transfer device or the second transfer device according to the present invention.

Fig. 4 is a schematic perspective view of another view angle of the first transfer device or the second transfer device according to the present invention.

Fig. 5 is a schematic perspective view of the first output device, the first input device, the second output device or the second output device according to the present invention.

Description of reference numerals:

1. a first linear conveyor; 11. a base; 12. a transfer seat; 121. avoiding holes; 13. a rotation driving mechanism; 131. a divider; 132. a motor; 14. connecting the sliding rails; 15. a positioning mechanism; 151. a positioning driver; 152. a positioning member; 153. positioning seats; 154. positioning the slide rail; 155. a sliding seat; 16. a first end sensor; 17. a second end sensor; 18. a middle sensor; 19. a first trigger piece; 191. a second trigger piece; 192. a position switch; 193. a first stopper; 194. a second stopper; 195. a limiting block; 2. a second linear conveyor; 3. a first transfer device; 4. a second transfer device; 5. a first positioning device; 6. a second positioning device; 7. a first linkage mechanism; 8. a second linkage mechanism; 9. a first output device; 91. a first input device; 92. a second output device; 93. a second input device; 94. a linear actuator; 95. a movable seat; 96. a lifting plate; 97. a lift drive; 98. picking up the part; 99. a jig.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 5, the present invention provides a circular conveying apparatus, which includes a first linear conveyor 1, a second linear conveyor 2, a first transfer device 3 and a second transfer device 4, wherein the conveying direction of the first linear conveyor 1 is opposite to the conveying direction of the second linear conveyor 2, the first transfer device 3 is used for connecting the output end of the first linear conveyor 1 with the input end of the second linear conveyor 2, the second transfer device 4 is used for connecting the output end of the second linear conveyor 2 with the input end of the first linear conveyor 1, the output end and the input end of the first linear conveyor 1 are respectively provided with a first output device 9 and a first input device 91, the output end and the input end of the second linear conveyor 2 are respectively provided with a second output device 92 and a second input device 93, the first output device 9 and the second input device 93 are respectively located at two sides of the first transfer device 3, the first input device 91 and the second output device 92 are respectively positioned at two sides of the second transfer device 4, and the first linear conveyor 1, the first transfer device 3, the second linear conveyor 2 and the second transfer device 4 form an endless conveying structure. In this embodiment, the jig 99 is described as an example of the present invention.

In actual operation, the top of the first transfer device 3 is connected to the output end of the first linear conveyor 1, the first linear conveyor 1 drives the jig 99 to move close to the first transfer device 3 until the jig 99 moves to the output end of the first linear conveyor 1, the first output device 9 conveys the jig 99 to the top of the first transfer device 3, the first transfer device 3 drives the jig 99 to rotate by a preset angle, so that the top of the first transfer device 3 is connected to the input end of the second linear conveyor 2, the second input device 93 conveys the jig 99 to the second linear conveyor 2, the top of the second transfer device 4 is connected to the output end of the second linear conveyor 2, the second linear conveyor 2 drives the jig 99 to move close to the second transfer device 4 until the jig 99 moves to the output end of the second linear conveyor 2, the second output device 92 conveys the jig 99 to the top of the second transfer device 4, the second transfer device 4 drives the jig 99 to rotate by a preset angle, so that the top of the second transfer device 4 is connected with the input end of the first linear conveyor 1, the first input device 91 conveys the jig 99 to the first linear conveyor 1, and the first linear conveyor 1 conveys the jig 99, so that the jig 99 can move circularly. Preferably, the first transfer device 3 and the second transfer device 4 both drive the jig 99 to rotate 180 °, assuming that the top of the first transfer device 3 is in the 0 ° position when engaged with the output end of the first linear conveyor 1, the top of the first transfer device 3 is in the 180 ° position when engaged with the input end of the second linear conveyor 2, the top of the second transfer device 4 is in the 180 ° position when engaged with the output end of the second linear conveyor 2, and the top of the second transfer device 4 is in the 360 ° position when engaged with the input end of the first linear conveyor 1. The utility model discloses a compact structure has not only realized carrying tool 99 in circulation, still rotates between first linear transporter 1 and second linear driver 94 through transfer device drive tool 99 for the product that tool 99 bore is outside or inside all the time (the orientation of product is unchangeable) all the time at the in-process of carrying and shifting all the time, has guaranteed the uniformity of the product orientation that tool 99 bore, and the product that tool 99 bore of the outside processing equipment of being convenient for to the circulation removes carries out processing.

In this embodiment, the first linear conveyor 1 is provided with one or more first positioning devices 5, the plurality of first positioning devices 5 are distributed along the conveying direction of the first linear conveyor 1, the second linear conveyor 2 is provided with one or more second positioning devices 6, and the plurality of second positioning devices 6 are distributed along the conveying direction of the second linear conveyor 2. Each first positioning device 5 and each second positioning device 6 corresponds to an external processing apparatus of a different station, such as: after the first positioning device 5 positions one of the jigs 99, the external processing equipment corresponding to the first positioning device 5 processes the product carried by the positioned jig 99.

In this embodiment, the first linear conveyor 1 is connected with one or more first linkage mechanisms 7 in a driving manner, the plurality of first linkage mechanisms 7 are distributed along the conveying direction of the first linear conveyor 1, and the first linear driver 94 is used for driving the first linkage mechanisms 7 to reciprocate.

When the first linear conveyor 1 is connected with a plurality of first linkage mechanisms 7 in a driving manner, the input end is a head end, and the output end is a tail end, the number of the first linkage mechanisms 5 is the same as that of the first linkage mechanisms 7, the first linear driver 94 drives all the first linkage mechanisms 7 to synchronously reciprocate, the first linkage mechanism 7 at the tail end reciprocates between the first output device 9 and one first positioning device 5 at the tail end, the first linkage mechanism 7 at the head end reciprocates between the first input device 91 and one first positioning device 5 at the head end, and the first linkage mechanism 7 at the middle part of the first linear driver 94 reciprocates between two adjacent first positioning devices 5, so that all the jigs 99 on the first linear conveyor 1 are in a progressive movement manner.

In this embodiment, one or more second linkage mechanisms 8 are drivingly connected to the second linear conveyor 2, the plurality of second linkage mechanisms 8 are distributed along the conveying direction of the second linear conveyor 2, and the second linear driver 94 is configured to drive the second linkage mechanisms 8 to reciprocate.

When the second linear conveyor 2 is connected with a plurality of second linkage mechanisms 8 in a driving manner, the input end is the head end, and the output end is the tail end, the number of the second positioning devices 6 is the same as that of the second linkage mechanisms 8, the second linear driver 94 drives all the second linkage mechanisms 8 to synchronously reciprocate, the second linkage mechanism 8 at the tail end reciprocates between the second output device 92 and one second positioning device 6 at the tail end, the second linkage mechanism 8 at the head end reciprocates between the second input device 93 and one second positioning device 6 at the head end, and the second linkage mechanism 8 at the middle part of the second linear driver 94 reciprocates between two adjacent second positioning devices 6, so that all the jigs 99 on the second linear conveyor 2 are in an in-feeding manner.

In this embodiment, the first transferring device 3 or/and the second transferring device 4 includes a base 11, a transferring seat 12 rotatably disposed on the base 11, a rotation driving mechanism 13 disposed on the base 11 and configured to drive the transferring seat 12 to rotate, a connecting slide rail 14 disposed on the top of the transferring seat 12, a positioning mechanism 15 disposed on the transferring seat 12, and a detecting device disposed on the top of the transferring seat 12; the detection device comprises a first end sensor 16, a second end sensor 17 and a middle sensor 18 which are all arranged at the top of the transfer seat 12, wherein the middle sensor 18 is positioned between the first end sensor 16 and the second end sensor 17, and the first end sensor 16, the second end sensor 17 and the middle sensor 18 are all electrically connected with the positioning mechanism 15 and the rotation driving mechanism 13; preferably, the first transfer device 3 has the same structure as the second transfer device 4.

In the present embodiment, the first transfer device 3 is used to transfer the jig 99, and the second transfer device 4 operates in the same manner as the first transfer device 3. In actual operation, the rotation driving mechanism 13 drives the transfer base 12 to rotate by a set angle, so that the transfer base 12 is at a 0 ° position, the transfer base 12 is connected with the output end of the first linear conveyor 1, the connecting slide rail 14 is connected with the conveying slide rail of the first linear conveyor 1, then the first output device 9 conveys the jig 99 on the output end of the first linear conveyor 1 to the transfer base 12, so that the jig 99 slides along the connecting slide rail 14, the middle sensor 18 detects whether the jig 99 is on the transfer base 12, so as to ensure that the jig 99 is loaded on the transfer base 12, the first end sensor 16 and the second end sensor 17 detect two ends of the jig 99, so as to ensure the position accuracy of the jig 99 on the transfer base 12, and then the first end sensor 16, the second end sensor 17 and the middle sensor 18 feed back information to the positioning mechanism 15 and the rotation driving mechanism 13, the positioning mechanism 15 is enabled to position the jig 99 on the transfer base 12, the position accuracy and stability of the jig 99 on the transfer base 12 are further ensured, finally the rotation driving mechanism 13 drives the transfer base 12 and the jig 99 to rotate by a set angle, the transfer base 12 is enabled to be located at a 180-degree position, the transfer base 12 and the jig 99 are transferred to be connected with the input end of the second linear conveyor 2, the connecting slide rail 14 is connected with the conveying slide rail of the second linear conveyor 2, and the second input device 93 is used for conveying the jig 99 carried by the first transfer device 3 to the second linear conveyor 2, so that the jig 99 is transferred; the first transfer device 3 and the second transfer device 4 with the structural design transfer the jig 99, so that the products carried by the jig 99 always face outwards or always face inwards (the orientation of the products is unchanged) in the conveying and transferring processes, and the consistency of the orientation of the products carried by the jig 99 is ensured; of course, the rotation angle of the transfer base 12 can be set according to actual requirements.

In this embodiment, the positioning mechanism 15 includes a positioning driver 151 disposed on the transfer seat 12 and a positioning element 152 disposed at an output end of the positioning driver 151, the positioning driver 151 is used for driving the positioning element 152 to move up and down, and specifically, the positioning driver 151 is an air cylinder.

After the first end sensor 16, the second end sensor 17 and the middle sensor 18 feed back information to the positioning mechanism 15, the positioning driver 151 drives the positioning element 152 to move close to the jig 99 until the positioning element 152 is inserted into the positioning slot at the bottom of the jig 99, so as to position the jig 99 carried by the transfer base 12.

Specifically, the positioning mechanism 15 further includes a positioning seat 153 installed on the transferring seat 12, a positioning slide rail 154 installed on the positioning seat 153, and a sliding seat 155 slidably connected to the positioning slide rail 154, the positioning driver 151 is installed on the positioning seat 153, and the positioning element 152 is installed on the sliding seat 155. This structural design not only makes the lift of setting element 152 stable and smooth and easy, has still realized the modularization of positioning mechanism 15 to carry out dismouting and maintenance to positioning mechanism 15.

Specifically, the transfer seat 12 is provided with a relief hole 121, and the positioning seat 153 is mounted on a side wall of the relief hole 121. Through addding dodging hole 121, positioning mechanism 15 is located dodging hole 121 for shift seat 12 and positioning mechanism 15's compact structure, positioning mechanism 15 of being convenient for fixes a position tool 99.

In this embodiment, the bottom of the transfer base 12 is provided with a first trigger piece 19 and a second trigger piece 191, the base 11 is provided with a position switch 192, the first trigger piece 19 and the second trigger piece 191 are respectively used for triggering the position switch 192, the first linear conveyor 1 and the second linear conveyor 2 are arranged in parallel, the rotation center shaft of the transfer base 12, the first trigger piece 19 and the second trigger piece 191 are arranged in a coplanar manner, and the position switch 192 is electrically connected with the motor 132.

Assuming that the transfer base 12 is at the 0 ° position, the first trigger piece 19 triggers the position switch 192, proving that the transfer base 12 is rotated to 0 °; when the second trigger piece 191 triggers the position switch 192, it is proved that the transfer base 12 rotates to the 180 ° position, and the position switch 192 is triggered by the first trigger piece 19 and the second trigger piece 191 respectively, so as to identify that the transfer base 12 is in the 0 ° or 180 ° position, thereby ensuring accurate rotation angle of the transfer base 12 and high transfer precision. In actual work, the transfer base 12 with the jig 99 is transferred from the 0 ° position to the 180 ° position or from the 180 ° position to the 0 ° position, so that not only is the transfer of the jig 99 achieved, but also the products carried by the jig 99 are ensured to be always outward or always inward in the conveying and transferring processes, and the orientation consistency of the products carried by the jig 99 is ensured.

In this embodiment, the base 11 is provided with a first stopper 193 and a second stopper 194, and the first stopper 193 and the second stopper 194 are used for limiting the rotation range of the transfer base 12, so as to play a preventive role, and prevent the position switch 192 and the rotation driving mechanism 13 from being damaged or having errors to exceed the rotation range, so as to ensure that the transfer base 12 rotates within a preset range.

Specifically, the first stopper 193 and the second stopper 194 are both dampers, a limit block 195 is installed at one end of the transfer base 12, the limit block 195 is used for abutting against the first stopper 193 or the second stopper 194, and the rotation center axis of the transfer base 12, the limit surface of the first stopper 193 and the limit surface of the second stopper 194 are arranged in a coplanar manner. Supposing that the transfer seat 12 is at 0 degree, one side of the limit block 195 is abutted with the action end of the first limit stop 193, and when the transfer seat 12 rotates to 180 degrees, the other side of the limit block 195 is abutted with the action end of the second limit stop 194, and the two dampers can limit the transfer seat 12, ensure the rotating angle and play the role of buffer protection.

Specifically, the rotation driving mechanism 13 includes a divider 131 mounted on the base 11 and a motor 132 mounted on the base 11, an output shaft of the motor 132 is in driving connection with an input shaft of the divider 131, and an output shaft of the divider 131 is in driving connection with the transfer base 12. In actual operation, the motor 132 drives the transferring base 12 to rotate back and forth according to a preset angle via the divider 131, so as to further improve the position accuracy of the rotating of the transferring base 12.

In this embodiment, the first output device 9, the first input device 91, the second output device 92 or/and the second input device 93 includes a linear driver 94 and a picking assembly installed at an output end of the linear driver 94, the picking assembly includes a moving base 95 installed at the output end of the linear driver 94, a lifting plate 96 installed on the moving base 95 in a lifting manner, a lifting driver 97 installed on the moving base 95 and used for driving the lifting plate 96 to lift, and a picking member 98 installed on the lifting plate 96, the lifting driver 97 is an air cylinder, and a driving direction of the linear driver 94 is parallel to a conveying direction of the first linear conveyor 1.

In this embodiment, the first output device 9 will be described as an example of conveying the jig 99. When the jig 99 is located at the output end of the first linear conveyor 1, the lifting driver 97 drives the lifting plate 96 with the picking member 98 to move close to the jig 99 until the picking member 98 picks up the jig 99, then the linear driver 94 drives the picking assembly with the jig 99 to move close to the first transfer device 3 until the jig 99 moves to the transfer seat 12 of the first transfer device 3, and the positioning mechanism 15 positions the jig 99.

Specifically, the structure of the first linkage mechanism 7 and the structure of the second linkage mechanism 8 are the same as the structure of the positioning mechanism 15, and the structure of the first positioning device 5 and the structure of the second positioning device 6 are the same as the structure of the picking assembly, and are not described herein again.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (10)

1. An endless conveyor apparatus, characterized by: the conveying direction of the first linear conveyor is opposite to that of the second linear conveyor, the first transfer device is used for connecting the output end of the first linear conveyor with the input end of the second linear conveyor, the second transfer device is used for connecting the output end of the second linear conveyor with the input end of the first linear conveyor, the output end and the input end of the first linear conveyor are respectively provided with a first output device and a first input device, and the output end and the input end of the second linear conveyor are respectively provided with a second output device and a second input device.

2. The endless conveyor apparatus of claim 1, wherein: the first linear conveyor is provided with one or more first positioning devices distributed along the conveying direction of the first linear conveyor, and the second linear conveyor is provided with one or more second positioning devices distributed along the conveying direction of the second linear conveyor.

3. The endless conveyor apparatus of claim 2, wherein: the first linear conveyor is connected with one or more first linkage mechanisms in a driving mode, the first linkage mechanisms are distributed along the conveying direction of the first linear conveyor, and the first linear driver is used for driving the first linkage mechanisms to move in a reciprocating mode.

4. The endless conveyor apparatus of claim 2, wherein: one or more second linkage mechanisms are connected with the second linear conveyor in a driving mode, the second linkage mechanisms are distributed along the conveying direction of the second linear conveyor, and the second linear driver is used for driving the second linkage mechanisms to reciprocate.

5. The endless conveyor apparatus of claim 1, wherein: the first transfer device or/and the second transfer device comprises a base, a transfer seat rotatably arranged on the base, a rotation driving mechanism arranged on the base and used for driving the transfer seat to rotate, a linking slide rail arranged at the top of the transfer seat, a positioning mechanism arranged on the transfer seat and a detection device arranged at the top of the transfer seat.

6. The endless conveyor apparatus of claim 5, wherein: the detection device comprises a first end sensor, a second end sensor and a middle sensor which are all arranged at the top of the transfer seat, the middle sensor is positioned between the first end sensor and the second end sensor, and the first end sensor, the second end sensor and the middle sensor are all electrically connected with the positioning mechanism and the rotation driving mechanism.

7. The endless conveyor apparatus of claim 5, wherein: the positioning mechanism comprises a positioning driver arranged on the transfer seat and a positioning piece arranged at the output end of the positioning driver, and the positioning driver is used for driving the positioning piece to move up and down.

8. The endless conveyor apparatus of claim 5, wherein: the bottom of the transfer seat is provided with a first trigger piece and a second trigger piece, the base is provided with a position switch, and the first trigger piece and the second trigger piece are respectively used for triggering the position switch.

9. The endless conveyor apparatus of claim 5, wherein: the base is provided with a first stopper and a second stopper, and the first stopper and the second stopper are used for limiting the rotation range of the transfer seat.

10. The endless conveyor apparatus of claim 1, wherein: the first output device, the first input device, the second output device or/and the second input device comprise a linear driver and a picking assembly arranged at the output end of the linear driver, wherein the picking assembly comprises a moving seat arranged at the output end of the linear driver, a lifting plate arranged on the moving seat in a lifting way, a lifting driver arranged on the moving seat and used for driving the lifting plate to lift and a picking piece arranged on the lifting plate.

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