Turnover discharging assembly line for jig circulation

Abstract

The utility model provides a turnover discharging assembly line with jig circulation, and belongs to the technical field of automatic machining. The utility model aims to provide the turnover discharging assembly line which does not damage a mower, can automatically recover a mower jig, and is higher in automation degree and production efficiency. The turnover discharging assembly line with the circulating jigs comprises a conveying line, a mechanical arm assembly and a clamping assembly rotationally connected with the front end of the mechanical arm assembly, and further comprises the jigs, two jig line moving assemblies and a jig conveying line. According to the scheme, the mower is inversely arranged in the jig and can be limited, damage to the mower is avoided when the mower is clamped, the jig is automatically and circularly conveyed, and the production efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automatic processing technology, and particularly relates to a turnover discharging assembly line with jig circulation. BACKGROUND

[0002] In the automatic production process, the material often needs to be turned over, for example, when the lawn mower is automatically produced, the bottom plate of the lawn mower needs to be turned up for screwing and other processes, and when the assembly is completed and the material is discharged, the lawn mower needs to be turned over by 180 DEG to the bottom plate downward.

[0003] The lawn mower whole machine turnover machine of the Chinese invention patent with the application number "2019111884969" discloses a lawn mower whole machine turnover machine, which comprises a portal frame across the conveying line, a transplanting trolley capable of sliding up and down is arranged on the portal frame, a turnover manipulator is arranged at the lower part of the transplanting trolley, the lawn mower is clamped and turned over by the turnover manipulator, and then the material is discharged by the conveying line.

[0004] The scheme clamps the lawn mower on the left and right sides of the lawn mower by the turnover manipulator, which undoubtedly causes damage to the lawn mower, and the top shape of the lawn mower and other machines is irregular, the above-mentioned scheme cannot put down the lawn mower during the turnover processing, the turnover manipulator must continuously clamp the lawn mower, more space is occupied during processing, operation is inconvenient, and the burden of the manipulator is also increased. Therefore, the general lawn mower production line will set a jig on the conveying line, which is used for placing the lawn mower with the top downward in the jig after the lawn mower is turned over, positioning the lawn mower, and manually recycling the jig after the processing is completed, so that the working efficiency is improved. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the utility model aims to provide a turnover discharging assembly line which does not damage the lawn mower, can automatically recycle the lawn mower jig, and has higher automation degree and production efficiency.

[0006] The utility model can be realized by the following technical scheme:

[0007] The utility model provides a kind of tool circulation's turnover discharge assembly line, including conveying line, mechanical arm assembly and the clamping assembly of rotation connection mechanical arm assembly front end, mechanical arm assembly drives clamping assembly to move, rotate, clamping assembly includes clamping base, bidirectional cylinder is fixedly connected in clamping base, the rod head of bidirectional cylinder front and rear ends is fixedly connected with first gripper, clamping slide rail and clamping cylinder are fixedly connected on the clamping base of bidirectional cylinder left and right sides, second gripper is slidably arranged on clamping slide rail, and clamping cylinder drives second gripper to move forward and backward;It further includes tool, two tool line shift components and tool conveying line, the tool line shift component includes stand, Y-axis sliding table is vertically arranged and fixedly connected on stand, X-axis sliding table is horizontally arranged and slidably connected on Y-axis sliding table, gas gripper mounting frame is slidably connected on X-axis sliding table, and gas gripper mounting frame lower end is fixedly connected with gas gripper assembly.

[0008] In use, the lawn mower is inverted in the tool, can play the role of limiting to lawn mower, guarantee the attitude of all lawn mower uniform on production line, so as to facilitate production line to complete screwing and other automatic process, subsequent conveying line will tool together with lawn mower and is conveyed to turnover station, at this time, the first gripper in clamping assembly is stretched out, the second gripper is retracted, the convex edge of lawn mower chassis is clamped and the lawn mower is turned over, without damaging the lawn mower body, while the X-axis, Y-axis sliding table of tool line shift component cooperates and moves gas gripper assembly to the tool position vacated and clamps tool, is conveyed back to the starting point of production line by tool conveying line, completes the automatic circulation recovery of tool, full automatic, production efficiency is significantly improved.

[0009] In the present tool circulation's turnover discharge assembly line, it further includes first docking station and second docking station oppositely arranged on both sides of conveying line 1.

[0010] After mechanical hand assembly controls clamping assembly to drive lawn mower to overturn, clamping assembly is located below lawn mower, at this time, clamping assembly occupies lower space, so that lawn mower cannot be placed directly on conveying line, so first and second docking stations are arranged for transition, place the overturned lawn mower on docking station, then docking station conveys lawn mower back to conveying line.

[0011] Preferably, the first docking station comprises a first base and a first lifting plate, the first base is fixedly connected with a first lifting cylinder with the rod head upward, the rod head of the first lifting cylinder is fixedly connected with the first lifting plate and can drive the first lifting plate to lift, the upper surface of the first lifting plate is fixedly connected with two parallel cushion blocks, the upper surfaces of the two cushion blocks are fixedly connected with a first translation cylinder and a first sliding block respectively, the first sliding block is slidably provided with a first sliding rail, the rod head of the first translation cylinder is connected with one end of the first sliding rail and can drive the first sliding rail to slide back and forth; the second docking station comprises a second base and a second lifting plate, the second base is fixedly connected with a second lifting cylinder with the rod head upward, the rod head of the second lifting cylinder is fixedly connected with the second lifting plate and can drive the second lifting plate to lift, the upper surface of the second lifting plate is fixedly connected with a second translation cylinder in the middle, the second lifting plate on the two sides of the second translation cylinder is fixedly connected with a second sliding block, the second sliding block is slidably provided with a second sliding rail, the rear ends of the two second sliding rails are connected by a connecting block, and the rod head of the second translation cylinder is fixedly connected with the connecting block and can drive the second sliding rail to slide back and forth.

[0012] In use, the first and second lifting plates are lifted, in order to leave space for the manipulator assembly on the docking station, the first docking station is driven by two first translation cylinders to drive two first sliding rails on both sides, the manipulator assembly controls the clamping assembly to fall between the two first translation cylinders, the lawn mower wheels fall on the first and second sliding rails, the manipulator assembly does not contact the second docking station in the turnover and discharging process, so the second docking station is provided with a second translation cylinder in the middle to drive the two second sliding rails, thereby saving cost, and after the placement is completed, the lifting plates are lowered, and the first and second translation cylinders drive the first and second sliding rails to retreat so that the lawn mower falls into the conveying line for discharging.

[0013] In the turnover and discharging flow line of the jig circulating device, the second clamping jaw comprises a clamping jaw cushion block and a second jaw head fixedly connected on the clamping jaw cushion block, the second jaw head comprises a connecting part and a clamping part which are integrally formed in a right trapezoidal shape, the oblique edges of the connecting part and the clamping part are directed toward the second clamping jaw, the oblique edge of the clamping part extends outward to form an abutting surface, and a clamping groove is formed between the clamping part and the connecting part.

[0014] The clamping part and the connecting part are in a right trapezoidal shape, the oblique edges are directed toward the middle lawn mower, and the first clamping jaw in the middle can clamp different models and sizes of lawn mower chassis, so that the compatibility is stronger, the clamping groove further clamps the edges of the convex edges, and the fastening capacity is further improved.

[0015] In the turnover and discharging flow line of the jig circulating device, the upper surfaces of the first and second sliding rails directed toward one end of the conveying line 1 are provided with docking spacers, the docking spacers are aligned with the tires, and the tires and the sliding rails are conveniently butted.

[0016] In the turnover and discharging pipeline of the jig circulating system, the first clamping jaw is provided with a clamping pad block outside, the lower bottom surface height of the clamping pad block is higher than the upper surface height of the clamping pad block, the outer peripheral surface of the clamping pad block is arc-shaped, the clamping pad block plays a buffering role, and the arc-shaped outer peripheral surface can avoid the sharp position of the clamping jaw directly abutting against the mower chassis, thereby playing a protection role on the mower chassis.

[0017] In the turnover and discharging pipeline of the jig circulating system, the first and second lifting plates are fixedly connected with guide columns on the bottom surfaces, the first and second bases are fixedly connected with guide sleeves matched with the guide columns, and the guide columns can slide up and down in the guide sleeves.

[0018] In the turnover and discharging pipeline of the jig circulating system, the jig comprises a jig bottom plate and a jig pad block fixedly connected to the jig bottom plate, the jig pad block is provided with a containing cavity and a guide limiting block, the jig bottom plate is provided with a jig hole penetrating through the center, and the jig hole is fixedly provided with a jig ring around the periphery.

[0019] The shape of the containing cavity in the jig pad block is molded according to the shapes of different types of mowers, the guide limiting block is arranged to facilitate the mower to be placed upside down in the jig, the guide limiting block plays a guiding role when the mower is placed, and the guide limiting block plays a limiting role on the mower after the mower is completely placed.

[0020] In the turnover and discharging pipeline of the jig circulating system, the jig bottom plate is provided with a jig hole penetrating through the center, the jig hole is fixedly provided with a jig ring around the periphery, the gas jaw assembly comprises three jig clamping jaws and a three-jaw gas cylinder for driving the jig clamping jaws to open and close.

[0021] In the turnover and discharging pipeline of the jig circulating system, one end of the clamping base is fixedly connected with a connecting frame, and the connecting frame is rotationally connected with the mechanical arm assembly.

[0022] Compared with the prior art, the technical effects of the present application are as follows: the mower is placed upside down in the jig, the jig can limit the mower, the postures of all mowers on the production line are uniform, and the production line can complete screwing and other automatic processes; the second clamping jaw retracts the convex edge clamping the mower chassis and turns over the mower, without damaging the mower body; the jig line moving assembly clamps the jig, the jig conveying line conveys the jig back to the starting point of the production line, the automatic circulation and recovery of the jig are completed, the whole process is automatic, and the production efficiency is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole plan view of the production line of the present application.

[0024] Figure 2Is the clamping assembly structure schematic diagram of the utility model.

[0025] Figure 3 Is the jig line moving assembly structure schematic diagram of the utility model.

[0026] Figure 4 Is the first interface structure schematic diagram of the utility model.

[0027] Figure 5 Is the second interface structure schematic diagram of the utility model.

[0028] Figure 6 Is the first clamping jaw structure schematic diagram of the utility model.

[0029] Figure 7 Is the jig structure schematic diagram of the utility model.

[0030] Figure 8 Is the schematic diagram of the mower when it is inverted.

[0031] In the figure, 1 is a conveying line, 2 is a mechanical hand assembly, 3 is a clamping assembly, 31 is a clamping base, 32 is a two-way cylinder, 33 is a first clamping jaw, 34 is a clamping slide rail, 35 is a clamping cylinder, 36 is a second clamping jaw, 361 is a clamping jaw pad, 362 is a second jaw head, 3621 is a connecting part, 3622 is a clamping part, 3623 is a contact surface, 3624 is a clamping groove, 37 is a clamping pad, 38 is a connecting frame, 4 is a jig, 41 is a jig bottom plate, 42 is a jig pad, 43 is a containing cavity, 44 is a guide limiting block, 45 is a jig hole, 46 is a jig ring, 5 is a jig line moving assembly, 51 is a jig conveying line, 52 is a stand column, 53 is a Y-axis slide table, 54 is an X-axis slide table, 55 is a gas jaw mounting frame, 56 is a gas jaw assembly, 561 is a jig clamping jaw, 562 is a three-jaw cylinder, 61 is a first interface, 611 is a first base, 612 is a first lifting plate, 613 is a first lifting cylinder, 614 is a heightening block, 615 is a first translation cylinder, 616 is a first slide block, 617 is a first slide rail, 62 is a second interface, 621 is a second base, 622 is a second lifting plate, 623 is a second lifting cylinder, 624 is a second translation cylinder, 625 is a second slide block, 626 is a second slide rail, 627 is a connecting block, 63 is an interface pad, 64 is a guide column, 65 is a guide sleeve, 7 is a convex edge, and 71 is an edge. DETAILED DESCRIPTION

[0032] The following is a specific embodiment of the utility model and is further described in conjunction with the drawings for the technical scheme of the utility model, but the utility model is not limited to these embodiments.

[0033] As Figure 1As shown in the figure, a tool circulating and overturning discharge assembly line includes a conveying line 1, a mechanical arm assembly 2, a clamping assembly 3 rotatably connected to the front end of the mechanical arm assembly 2, two tool line moving assemblies 5, a tool conveying line 51, and a first docking station 61 and a second docking station 62 oppositely arranged on both sides of the conveying line 1. The conveying line 1 is provided with a supporting plate for supporting a tool 4, and the lawn mower is inverted in the tool 4, which can limit the lawn mower and ensure that the posture of all lawn mowers on the production line is uniform, so as to facilitate the production line to complete the screwing and other automatic processes, and then the conveying line 1 conveys the tool 3 together with the lawn mower to the overturning station for overturning.

[0034] As a preferred scheme, as shown in Figure 2 The clamping assembly 3 includes a clamping base 31, a bidirectional cylinder 32 fixedly connected in the clamping base 31, a first clamping jaw 33 fixedly connected to the rod head at the front and rear ends of the bidirectional cylinder 32, a clamping sliding rail 34 and a clamping cylinder 35 fixedly connected to the clamping base 31 on the left and right sides of the bidirectional cylinder 32, a second clamping jaw 36 slidingly arranged on the clamping sliding rail 34, the clamping cylinder 35 driving the second clamping jaw 36 to move forward and backward, and a connecting frame 38 fixedly connected to one end of the clamping base 31, the connecting frame 38 being rotatably connected with the mechanical arm assembly 2, and the mechanical arm assembly 2 driving the clamping assembly 3 to move and rotate.

[0035] Further, as shown in Figure 2 , Figure 6 The second clamping jaw 36 includes a jaw pad 361 and a second jaw head 362 fixedly connected to the jaw pad 361, the second jaw head 362 includes a connecting part 3621 and a clamping part 3622 which are integrally formed in a right trapezoidal shape, the oblique edges of the connecting part 3621 and the clamping part 3622 are directed towards the first clamping jaw 33, the oblique edge of the clamping part 3622 extends outward to form an abutting surface 3623, a clamping groove 3624 is formed between the clamping part 3622 and the connecting part 3621, the outer side of the first clamping jaw 33 is provided with a clamping pad 37, the lower surface of the clamping pad 37 is higher than the upper surface of the jaw pad 361, and the outer circumferential surface of the clamping pad 37 is arc-shaped.

[0036] In use, as shown in Figure 8 At this time, the bottom plate of the lawn mower is upward, the first clamping jaw 33 in the clamping assembly 3 is extended, the second clamping jaw 36 is retracted to clamp the convex edge 7 of the lawn mower bottom plate and overturn the lawn mower, without damaging the lawn mower body, and the edge 71 of the convex edge 7 can be clamped into the clamping groove 3624, further improving the stability of clamping.

[0037] As a preferred scheme, as shown in Figure 3As shown, the jig line moving assembly 5 includes a column 52, a Y-axis sliding table 53 vertically arranged and fixed on the column 53, an X-axis sliding table 54 horizontally arranged and slidingly connected on the Y-axis sliding table 53, a gas claw mounting rack 55 slidingly connected on the X-axis sliding table 54, and a gas claw assembly 56 fixed on the lower end of the gas claw mounting rack 55. When the manipulator assembly 2 clamps the lawnmower, the X-axis and Y-axis sliding tables of the jig line moving assembly 5 cooperate to move the gas claw assembly 56 to the position of the jig 4 vacated and clamp the jig 4, which is then conveyed back to the starting point of the production line through the jig conveying line 51, so as to complete the automatic circulation and recovery of the jig 4, and the whole process is fully automated, and the production efficiency is significantly improved.

[0038] Preferably, as Figure 7 As shown, the jig 4 includes a jig bottom plate 41 and a jig cushion block 42 fixed on the jig bottom plate 41, the jig cushion block 42 is internally provided with a containing cavity 43 and a guide limiting block 44, the center of the jig bottom plate 41 is provided with a through jig hole 45, the periphery of the jig hole 5 is fixedly provided with a jig ring 46, and the gas claw assembly 56 includes three jig clamping claws 561 and a three-jaw gas cylinder 562 for driving the jig clamping claws 561 to open and close. The shape of the containing cavity 43 in the jig cushion block 42 is molded according to the shapes of different models of lawnmowers, and the guide limiting block 44 is arranged to facilitate the lawnmower to be placed upside down in the jig, to guide the lawnmower when being placed, and to limit the lawnmower after being completely placed. When clamping the jig, the jig clamping claws 561 of the gas claw assembly 56 extend into the jig hole 45 and then open outward to abut against the jig ring 46, so as to clamp the jig 4. The gas cylinder assembly has a simple structure, a small size, and stable clamping effect.

[0039] After the manipulator assembly 2 controls the clamping assembly 3 to drive the lawnmower to be turned over, the clamping assembly 3 is located below the lawnmower, and at this time, the clamping assembly 3 occupies the space below, so that the lawnmower cannot be directly placed back on the conveying line 1, and therefore the first and second connecting tables are arranged for transition, the turned-over lawnmower is placed on the connecting table, and then the connecting table conveys the lawnmower back to the conveying line 1.

[0040] Preferably, as Figure 4 、 Figure 5As shown, the first docking station 61 comprises a first base 611 and a first lifting plate 612, the first base 611 is fixedly connected with a first lifting cylinder 613 with the rod head upward, the rod head of the first lifting cylinder 613 is fixedly connected with the first lifting plate 612 and can drive the first lifting plate 612 to lift, the upper surface of the first lifting plate 612 is fixedly connected with two parallel heightening blocks 614, the upper surfaces of the two heightening blocks 614 are fixedly connected with a first translation cylinder 615 and a first sliding block 616 respectively, the first sliding block 616 is slidingly provided with a first sliding rail 617, the rod head of the first translation cylinder 615 is connected with one end of the first sliding rail 617 and can drive the first sliding rail 617 to slide back and forth; the second docking station 62 comprises a second base 621 and a second lifting plate 622, the second base 621 is fixedly connected with a second lifting cylinder 623 with the rod head upward, the rod head of the second lifting cylinder 623 is fixedly connected with the second lifting plate 622 and can drive the second lifting plate 622 to lift, the middle of the upper surface of the second lifting plate 622 is fixedly connected with a second translation cylinder 624, the second lifting plate 622 on the two sides of the second translation cylinder 624 is fixedly connected with a second sliding block 625, the second sliding block 625 is slidingly provided with a second sliding rail 626, the two second sliding rails 626 are integrally connected through a connecting block 627 at the rear ends, the rod head of the second translation cylinder 624 is fixedly connected with the connecting block 627 and can drive the second sliding rail 626 to slide back and forth, the upper surfaces of the first and second sliding rails 617 and 626 towards one end of the conveying line 1 are provided with a docking pad 63, the bottom surfaces of the first and second lifting plates 612 and 622 are fixedly connected with guide columns 64, the first and second bases 611 and 621 are fixedly connected with guide sleeves 65 matched with the guide columns 64, and the guide columns 64 can slide up and down in the guide sleeves 65.

[0041] In use, the first and second lifting plates are lifted, in order to leave space for the manipulator assembly 2 on the docking station, the first docking station 61 drives the two first sliding rails 617 through the two first translation cylinders 615 on the two sides respectively, the manipulator assembly 2 controls the clamping assembly 3 to fall between the two first translation cylinders 615, the lawn mower wheels fall on the first and second sliding rails, the manipulator assembly 2 does not contact the second docking station 62 in the turnover and discharging process, therefore, the second docking station 62 is provided with a second translation cylinder 624 in the middle to drive the two second sliding rails 626, thereby saving cost, after the placement is completed, the lifting plates are lowered, and the first and second translation cylinders drive the first and second sliding rails to retreat, so that the lawn mower falls into the conveying line and is discharged.

[0042] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, therefore: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope defined in the utility model claim.

Claims

1. A flip-out material pipeline of jig circulation, comprising a conveying line (1), a mechanical arm assembly (2) and a clamping assembly (3) rotatably connected to the front end of the mechanical arm assembly (2), the mechanical arm assembly (2) driving the clamping assembly (3) to move and rotate, characterized in that: the clamping assembly (3) comprises a clamping base (31), a bidirectional air cylinder (32) being fixedly connected in the clamping base (31), a first clamping jaw (33) being fixedly connected to the rod head at the front and back ends of the bidirectional air cylinder (32), a clamping slide rail (34) and a clamping air cylinder (35) being fixedly connected to the clamping base (31) at the left and right sides of the bidirectional air cylinder (32), a second clamping jaw (36) being slidingly arranged on the clamping slide rail (34), the clamping air cylinder (35) driving the second clamping jaw (36) to move forward and backward. Further comprising a jig (4), two jig line moving assemblies (5) and a jig conveying line (51), the jig line moving assembly (5) comprising a vertical column (52), a Y-axis sliding table (53) being vertically arranged and fixedly connected to the vertical column (52), an X-axis sliding table (54) being horizontally arranged and slidingly connected to the Y-axis sliding table (53), an air claw mounting rack (55) being slidingly connected to the X-axis sliding table (54), an air claw assembly (56) being fixedly connected to the lower end of the air claw mounting rack (55). Further comprising a first docking station (61) and a second docking station (62) oppositely arranged on both sides of the conveying line (1).

2. The jigs-circulating flip-out flow line according to claim 1, wherein: The first docking station (61) comprises a first base (611) and a first lifting plate (612), the first base (611) being fixedly connected with a first lifting air cylinder (613) with the rod head facing upward, the rod head of the first lifting air cylinder (613) being fixedly connected with the first lifting plate (612) and being capable of driving the first lifting plate (612) to lift, two parallel heightening blocks (614) being fixedly connected to the upper surface of the first lifting plate (612), a first translation air cylinder (615) and a first sliding block (616) being fixedly connected to the upper surfaces of the two heightening blocks (614) respectively, a first slide rail (617) being slidingly arranged on the first sliding block (616), the rod head of the first translation air cylinder (615) being connected with one end of the first slide rail (617) and being capable of driving the first slide rail (617) to slide forward and backward.

3. The jigs-circulating flip-out conveyor line according to claim 2, characterized in that: The second docking station (62) comprises a second base (621) and a second lifting plate (622), the second base (621) being fixedly connected with a second lifting air cylinder (623) with the rod head facing upward, the rod head of the second lifting air cylinder (623) being fixedly connected with the second lifting plate (622) and being capable of driving the second lifting plate (622) to lift, a second translation air cylinder (624) being fixedly connected to the upper surface of the middle part of the second lifting plate (622), second sliding blocks (625) being fixedly connected to the second lifting plate (622) at the left and right sides of the second translation air cylinder (624), second slide rails (626) being slidingly arranged on the second sliding blocks (625), the two second slide rails (626) being integrally connected through a connecting block (627) at the rear ends, the rod head of the second translation air cylinder (624) being fixedly connected with the connecting block (627) and being capable of driving the second slide rails (626) to slide forward and backward. ​ 4. The jigs-circulating flip-out conveyor line according to claim 1, characterized in that: The second clamping jaw (36) comprises a clamping jaw pad (361) and a second jaw head (362) fixed on the clamping jaw pad (361), the second jaw head (362) comprises a connecting part (3621) and a clamping part (3622) which are in the shape of a right trapezoid as a whole, the oblique edges of the connecting part (3621) and the clamping part (3622) are directed towards the first clamping jaw (33), the clamping part (3622) extends outward at one end of the oblique edge to form an abutting surface (3623), and a clamping groove (3624) is formed between the clamping part (3622) and the connecting part (3621).

5. The jigs-circulating flip-out conveyor line according to claim 3, wherein: The upper surfaces of the first slide rail (617) and the second slide rail (626) at one end directed towards the conveying line (1) are provided with an adapter pad (63).

6. The jigs-circulating flip-out conveyor line according to claim 4, wherein: The outer side of the first clamping jaw (33) is provided with a clamping pad (37), the lower bottom surface of the clamping pad (37) is higher than the upper surface of the clamping jaw pad (361), and the outer peripheral surface of the clamping pad (37) is in the shape of a circular arc.

7. The jigs-circulating flip- out line according to claim 3, wherein: The bottom surfaces of the first lifting plate (612) and the second lifting plate (622) are fixed with guide columns (64), the first base (611) and the second base (621) are fixed with guide sleeves (65) matched with the guide columns (64), and the guide columns (64) can slide up and down in the guide sleeves (65).

8. The jigs-circulating flip- out line of claim 1, wherein: The jig (4) comprises a jig bottom plate (41) and a jig pad (42) fixed on the jig bottom plate (41), and the jig pad (42) is provided with a containing cavity (43) and a guide limiting block (44).

9. The jigs-circulating flip-out conveyor line according to claim 8, characterized in that: The jig bottom plate (41) is provided with a jig hole (45) penetrating through the center, and a jig ring (46) is fixed around the jig hole (45), the air claw assembly (56) comprises three jig clamping jaws (561) and a three-jaw air cylinder (562) for driving the opening and closing of the jig clamping jaws (561).

10. The jigs-circulating flip- out line of claim 5, wherein: One end of the clamping base (31) is fixed with a connecting frame (38), and the connecting frame (38) is rotationally connected with the mechanical arm assembly (2).

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