Alloy resistance ribbon packaging linkage tool

Abstract

The utility model discloses an alloy resistance braided packing linkage frock belongs to electronic components production and processing equipment technical field, including processing counter, support frame board, take and put mechanism and adjust sealing mechanism, and take and put mechanism includes limiting turntable, the threaded column of rotation connection in limiting turntable, the threaded lifting block of screw connection in threaded column, the rotation connection in threaded lifting block's rotation board and rotation connection in rotation board and sliding block column of sliding connection in limiting turntable, sliding block column intercommunication conical suction nozzle. The utility model discloses through the linkage adjustment conical suction nozzle spacing of threaded column and rotation board, and through the cooperation adjustment heat -seal width of adjusting screw rod and the matching column, has solved the present technical frock structure fixed, the problem that cannot compatible multi -specification product, has the effect that strong universality, adjustment is convenient, reduces cost.

Description

Technical Field

[0001] This utility model relates to the technical field of electronic component manufacturing and processing equipment, and in particular to a linkage tooling for alloy resistor tape and reel packaging. Background Technology

[0002] In the automated production process of electronic components, alloy resistors need to undergo standardized tape and reel packaging after manufacturing. This is to orderly fill the bulk resistor components into the carrier tape grooves and seal them with film to facilitate subsequent storage, transportation, and use by SMT automatic placement machines. The existing packaging process mainly relies on dedicated packaging equipment, which picks up and transfers the resistors to the top of the carrier tape through a pick-and-place device, and then completes the packaging with the help of a conveyor and heat sealing device.

[0003] However, existing alloy resistor packaging tooling uses a mechanical structure design with fixed parameters. The nozzle distribution spacing of the pick-and-place mechanism and the track width of the sealing mechanism are all customized for a single specification of resistor and carrier tape. When production tasks change and require packaging alloy resistors of different sizes or using carrier tapes of different widths, this fixed structure cannot achieve adaptive adjustment. As a result, manufacturers often need to disassemble and replace the entire pick-and-place head and sealing track assembly, or directly equip multiple special equipment of different specifications. This not only greatly increases the company's equipment procurement and maintenance costs, but also makes the production line take a long time to change over, which seriously restricts the improvement of production efficiency and cannot meet the needs of multi-specification and flexible production.

[0004] Therefore, this utility model proposes an alloy resistance tape packaging linkage tooling to overcome the shortcomings of the prior art. Utility Model Content

[0005] In view of the problems in the existing alloy resistance tape packaging linkage tooling, such as the fixed structure of the gripping distance of the picking mechanism and the packaging width of the sealing mechanism, which cannot be flexibly adjusted, resulting in poor equipment versatility and incompatibility with various product specifications, this utility model aims to provide an alloy resistance tape packaging linkage tooling with an improved structure that can effectively solve the above problems.

[0006] This utility model provides an alloy resistance tape packaging linkage tooling, including a processing counter, a support frame plate fixedly connected to the front side of the top of the processing counter, a picking and placing mechanism fixedly connected to the top of the processing counter, and an adjusting sealing mechanism set in the area of ​​the support frame plate.

[0007] The picking and placing mechanism includes a limiting post that is slidably connected to the top of the processing counter and is vertically distributed, a limiting turntable that is slidably connected to the outer wall of the limiting post, a threaded post that is rotatably connected to the top center of the limiting turntable, a threaded lifting block that is threadedly connected to the outer wall of the threaded post, a rotating plate that is rotatably connected to the outer wall of the threaded lifting block, a sliding block post that is rotatably connected to the bottom end of the rotating plate and slidably connected to the inner wall of the limiting turntable, and a conical suction nozzle that communicates with the bottom end of the sliding block post.

[0008] Furthermore, the adjusting sealing mechanism includes an adjusting screw rotatably connected to the front side of the support frame plate, a movable slide plate threaded to the outer wall of the adjusting screw and slidably connected to the bottom end of the inner wall of the support frame plate, an L-shaped plate fixedly connected to the top of the support frame plate and the movable slide plate respectively, a motor fixedly connected to the outer wall of the front L-shaped plate, a front heat sealing cylinder fixedly connected to the output end of the motor via a connecting shaft, a rear heat sealing cylinder rotatably connected to the inner wall of the rear L-shaped plate, and a locking post slidably connected to the inner wall of both the front and rear heat sealing cylinders.

[0009] Preferably, the picking and placing mechanism further includes a servo motor fixedly connected to the inner wall of the processing counter. The output end of the servo motor passes through the top of the processing counter and is fixedly connected to the bottom end of the limiting post. A sleeve is fitted on the outer side of the limiting post. The top end of the sleeve is rotatably connected to and abuts against the bottom end of the limiting turntable. An electric telescopic rod is fixedly connected to the inner wall of the processing counter. The output end of the electric telescopic rod is fixedly connected to the outer wall of the sleeve. This structure is used to realize the rotation drive and lifting drive of the limiting turntable.

[0010] Preferably, the pick-and-place mechanism further includes an L-shaped support plate fixedly connected to the rear side of the top of the processing counter, an external air nozzle fixedly connected to the top of the L-shaped support plate, a rotating ring rotatably connected to the outer wall of the external air nozzle and fixedly connected to the top of the threaded column, and a connecting air pipe with one end connected to the rotating ring and the other end connected to the conical suction nozzle. The rotating ring is connected to the inside of the external air nozzle, forming a pneumatic system that can stably supply negative pressure in a rotating state.

[0011] Preferably, the adjusting sealing mechanism further includes a drive motor fixedly connected to the top of the movable slide plate, a feeding wheel rotatably connected to the left side of the movable slide plate, and a belt meshing with the output end of the drive motor and the outer wall of the feeding wheel. The outer wall of the feeding wheel is provided with a groove for engaging the packaging tape, which provides the power for the packaging tape to move.

[0012] Preferably, the sealing mechanism further includes a limiting strip, the two ends of which are slidably connected between the L-shaped plate fixed on the support frame plate and the opposite sidewall of the L-shaped plate fixed on the movable slide plate, respectively, to restrict the relative rotation of the two L-shaped plates when adjusting the width, and to ensure the parallelism of the two sides of the sealing mechanism.

[0013] Preferably, the adjusting sealing mechanism also includes a heating sensor, which is fixedly connected to the left outer wall of the front L-shaped plate and located on the side of the connection between the front heat sealing cylinder and the rear heat sealing cylinder. The heating sensor is used to monitor the surface temperature of the heat sealing roller in real time and achieve precise closed-loop temperature control.

[0014] Preferably, the front heat sealing cylinder and the rear heat sealing cylinder are provided with a slot for the locking column to slide in the middle. The outer wall shape of the locking column is adapted to the inner wall shape of the slot. This spline fit structure ensures that when the front heat sealing cylinder rotates, it can drive the rear heat sealing cylinder to rotate synchronously through the locking column, while allowing axial sliding between the two to adapt to width adjustment.

[0015] Preferably, the alloy resistance tape packaging linkage tooling also includes a feeding tray rotatably connected to the inner wall of the front side of the processing counter, a heat sealing tray rotatably connected to the front top of the support frame plate, and a winding tray rotatably connected to the left side of the support frame plate. The feeding tray, heat sealing tray, and winding tray are all located on the same conveying path, forming a complete feeding, coating, and winding system.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model solves the problem that the gripping spacing of the pick-and-place mechanism in the prior art is fixed and cannot adapt to alloy resistors of different sizes. It achieves the effect of flexibly adjusting the nozzle spacing, realizing the automated gripping of resistors of various specifications, and improving the versatility of the equipment.

[0018] 2. This utility model solves the problem in the prior art where the sealing mechanism has a fixed width and cannot be compatible with different widths of packaging tape by setting an adjusting screw to drive the sliding plate to move horizontally and using a snap-fit ​​column with telescopic function to connect the front heat sealing cylinder and the rear heat sealing cylinder. It achieves the effect of being able to conveniently adjust the packaging channel and heat sealing width, making a single machine compatible with multiple tape specifications, with strong structural adaptability and reduced production costs. Attached Figure Description

[0019] Figure 1 This is a perspective view of an alloy resistance tape packaging linkage tooling proposed in this utility model;

[0020] Figure 2 This is a front view of an alloy resistance tape packaging linkage tooling proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the support frame plate of an alloy resistance tape packaging linkage tooling proposed in this utility model;

[0022] Figure 4This is a schematic diagram of the moving slide plate of the alloy resistance tape packaging linkage tooling proposed in this utility model;

[0023] Figure 5 This is a split view of the L-shaped plate of an alloy resistance tape packaging linkage tooling proposed in this utility model.

[0024] Figure 6 This is a schematic diagram of the picking and placing mechanism of an alloy resistance tape packaging linkage tooling proposed in this utility model.

[0025] Legend:

[0026] 1. Processing counter; 2. Picking and placing mechanism; 21. Limiting post; 22. Electric telescopic rod; 23. Sleeve; 24. Limiting turntable; 25. Sliding block post; 26. Conical suction nozzle; 27. Threaded post; 28. Threaded lifting block; 29. ​​Turning plate; 210. L-shaped support plate; 211. External air nozzle; 212. Rotating ring; 213. Connecting air pipe; 3. Adjusting sealing mechanism; 31. Adjusting screw; 32. Moving slide plate; 33. Drive motor; 34. Feeding wheel; 35. Belt; 36. L-shaped plate; 37. Motor; 38. Connecting shaft; 39. Locking post; 310. Front heat sealing cylinder; 311. Rear heat sealing cylinder; 312. Limiting strip; 313. Heating sensor; 4. Unloading tray; 5. Heat sealing tape tray; 6. Rewinding tray; 7. Support frame plate; 8. Servo motor. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0028] Example:

[0029] Please refer to Figures 1 to 6 This utility model provides an alloy resistor tape packaging linkage tooling, which aims to solve the problem that the fixed structure of the existing packaging tooling makes it unable to flexibly adapt to the gripping of alloy resistors of different sizes and the sealing of tapes of different widths, resulting in poor versatility.

[0030] Please refer to Figure 1 and Figure 2The alloy resistor taping and packaging linkage tooling includes a processing counter 1, a support frame plate 7 fixedly connected to the front top of the processing counter 1, a pick-and-place mechanism 2 fixedly connected to the top of the processing counter 1, and an adjustment and sealing mechanism 3 set in the area of ​​the support frame plate 7. The processing counter 1 serves as the installation support base for the overall device, the support frame plate 7 is used to cooperate with the adjustment and sealing mechanism 3 to limit and support the taping, the pick-and-place mechanism 2 is used to realize the absorption and transfer of alloy resistors, and the adjustment and sealing mechanism 3 is used to realize the adjustment of the tape width and the sealing operation.

[0031] The pick-and-place mechanism 2 includes a limiting post 21 that is slidably connected to the top of the processing counter 1 and is vertically distributed, a limiting turntable 24 that is slidably connected to the outer wall of the limiting post 21, a threaded post 27 that is rotatably connected to the top center of the limiting turntable 24, a threaded lifting block 28 that is threadedly connected to the outer wall of the threaded post 27, a rotating plate 29 that is rotatably connected to the periphery of the outer wall of the threaded lifting block 28, a sliding block post 25 that is rotatably connected to the bottom end of the rotating plate 29 and slidably connected to the inner wall of the limiting turntable 24, and a conical suction nozzle 26 that communicates with the bottom end of the sliding block post 25.

[0032] The adjusting sealing mechanism 3 includes an adjusting screw 31 rotatably connected to the front side of the support frame plate 7, a movable slide plate 32 threadedly connected to the outer wall of the adjusting screw 31 and slidably connected to the bottom end of the inner wall of the support frame plate 7, an L-shaped plate 36 fixedly connected to the top of the support frame plate 7 and the movable slide plate 32 respectively, a motor 37 fixedly connected to the outer wall of the front L-shaped plate 36, a front heat sealing cylinder 310 fixedly connected to the output end of the motor 37 via a connecting shaft 38, a rear heat sealing cylinder 311 rotatably connected to the inner wall of the rear L-shaped plate 36, and a locking post 39 slidably connected to the inner wall of the front heat sealing cylinder 310 and the inner wall of the rear heat sealing cylinder 311.

[0033] Please refer to Figure 1 , Figure 2 and Figure 6 The limiting post 21 of the pick-and-place mechanism 2 is vertically set on the top of the processing counter 1. A servo motor 8 is fixedly connected to the inner wall of the processing counter 1. The output end of the servo motor 8 passes through the top of the processing counter 1 and is fixedly connected to the bottom end of the limiting post 21. A sleeve 23 is sleeved on the outer side of the limiting post 21. The top end of the sleeve 23 is rotatably connected to and abuts against the bottom end of the limiting turntable 24. The limiting turntable 24 is slidably connected to the outer wall of the limiting post 21. An electric telescopic rod 22 is fixedly connected to the inner wall of the processing counter 1. The output end of the electric telescopic rod 22 is fixedly connected to the outer wall of the sleeve 23. This structure realizes the lifting and rotation of the pick-and-place mechanism 2. When the servo motor 8 drives the limiting post 21 to rotate, the limiting turntable 24 rotates horizontally synchronously with the limiting post 21. When the electric telescopic rod 22 pushes the sleeve 23 to move up and down, the sleeve 23 drives the limiting turntable 24 to slide up and down along the axis of the limiting post 21.

[0034] To achieve adaptive gripping of resistors of different sizes, please refer to... Figure 6 A threaded column 27 is rotatably connected to the top center of the limiting turntable 24. A threaded lifting block 28 is threadedly connected to the outer wall of the threaded column 27. A rotating plate 29 is rotatably connected to the outer perimeter of the threaded lifting block 28. A sliding block column 25 is rotatably connected to the bottom end of the rotating plate 29. The sliding block column 25 is slidably connected to the inner wall of the radial groove of the limiting turntable 24. A conical suction nozzle 26 is connected to the bottom end of the sliding block column 25. When the threaded column 27 is rotated, the threaded lifting block 28 moves up and down along the axial direction of the threaded column 27, and through the connecting rod of the rotating plate 29, drives the sliding block column 25 to move on the limiting turntable 24. 4. The radial position is changed to adjust the gripping distance of the conical suction nozzle 26. To achieve the adsorption function, an L-shaped support plate 210 is fixedly connected to the rear side of the top of the processing counter 1. An external air nozzle 211 is fixedly connected to the top of the L-shaped support plate 210. A rotating ring 212 is rotatably connected to the outer wall of the external air nozzle 211. The rotating ring 212 is connected to the interior of the external air nozzle 211. The bottom end of the rotating ring 212 is fixedly connected to the top end of the threaded column 27. A connecting air pipe 213 is connected to the outer wall of the rotating ring 212. The other end of the connecting air pipe 213 is connected to the corresponding conical suction nozzle 26.

[0035] As a preferred embodiment, please refer to Figure 4 The adjusting sealing mechanism 3 also includes a drive motor 33 fixedly connected to the top of the movable slide plate 32, a feeding wheel 34 rotatably connected to the left side of the movable slide plate 32, and a belt 35 meshing with the output end of the drive motor 33 and the outer wall of the feeding wheel 34. The outer wall of the feeding wheel 34 has grooves for engaging the packaging tape.

[0036] As another preferred embodiment, please refer to Figure 5 The adjusting sealing mechanism 3 also includes a limiting strip 312, the two ends of which are slidably connected between the L-shaped plate 36 fixed on the support frame plate 7 and the opposite sidewalls of the L-shaped plate 36 fixed on the movable slide plate 32, in order to restrict the relative rotation of the two L-shaped plates 36.

[0037] As another preferred embodiment, please refer to Figure 3 The sealing mechanism 3 also includes a heating sensor 313, which is fixedly connected to the left outer wall of the front L-shaped plate 36. The heating sensor 313 is located on one side of the connection between the front heat sealing cylinder 310 and the rear heat sealing cylinder 311, and is used to monitor the heat sealing temperature.

[0038] In another preferred embodiment, a slot is provided in the middle of the front heat sealing cylinder 310 and the rear heat sealing cylinder 311 for the locking post 39 to slide. The outer wall shape of the locking post 39 is adapted to the inner wall shape of the slot. This mating structure allows the rear heat sealing cylinder 311 to rotate synchronously through the locking post 39 when the front heat sealing cylinder 310 rotates.

[0039] As another preferred embodiment, please refer to Figure 1 and Figure 2 The alloy resistance tape packaging linkage tooling also includes a feeding tray 4 rotatably connected to the inner wall of the front side of the processing counter 1, a heat sealing tray 5 rotatably connected to the front top of the support frame plate 7, and a winding tray 6 rotatably connected to the left side of the support frame plate 7. The feeding tray 4, the heat sealing tray 5, and the winding tray 6 are all located on the same conveying path.

[0040] Working principle:

[0041] Before packaging, the equipment is first adjusted. The threaded column 27 of the pick-and-place mechanism 2 is rotated, which drives the threaded lifting block 28 to move up and down along the axial direction of the threaded column 27. The threaded lifting block 28 drives the sliding block column 25 to slide radially in the inner wall groove of the limiting turntable 24 through the rotating plate 29, thereby changing the distance between multiple conical suction nozzles 26 to adapt to the gripping of alloy resistors of different sizes. At the same time, the adjusting screw 31 of the adjusting sealing mechanism 3 is rotated, which drives the threaded moving slide plate 32 to translate relative to the support frame plate 7, thereby changing the distance between the two L-shaped plates 36 to adapt to packaging tapes of different widths. While adjusting the width, the rear heat sealing cylinder 311 translates with the moving slide plate 32. The locking column 39 slides and extends in the inner wall of the rear heat sealing cylinder 311 and the front heat sealing cylinder 310, always maintaining the connection to ensure subsequent synchronous rotation.

[0042] During operation, the packaging tape is drawn from the feeding tray 4, passes through the channel between the support frame plate 7 and the moving slide plate 32, engages with the feeding wheel 34, and finally winds onto the take-up reel 6. Heat-sealing tape is drawn from the heat-sealing tray 5 and covers the packaging tape. Qualified alloy resistors are conveyed to the rear lower side of the pick-up mechanism 2. At this time, the servo motor 8 drives the limit post 21 to rotate to the pick-up position, the electric telescopic rod 22 retracts, driving the sleeve 23 and the limit turntable 24 to descend, causing the conical suction nozzle 26 to contact the alloy resistor. The external air nozzle 211 connects to the connecting air pipe 213 through the rotating ring 212 to create negative pressure, adsorbing the resistor onto the conical suction nozzle 26. Subsequently, the electric telescopic rod 22 pushes the sleeve 23 upward, and the servo motor 8... The drive limit post 21 rotates to the packaging station, the electric telescopic rod 22 drives the limit turntable 24 to descend again, the connecting air pipe 213 closes the negative pressure, the alloy resistor falls into the groove of the packaging tape, the drive motor 33 starts, and drives the feeding wheel 34 to rotate through the belt 35, so that the packaging tape moves forward. The tape covered with heat sealing tape enters between the front heat sealing cylinder 310 and the rear heat sealing cylinder 311. The motor 37 starts, and drives the front heat sealing cylinder 310 to rotate through the connecting shaft 38. The front heat sealing cylinder 310 drives the rear heat sealing cylinder 311 to rotate synchronously through the locking post 39. Under the temperature control of the heating sensor 313, the two heat sealing cylinders heat-press and seal the tape and heat sealing tape. Finally, the packaged tape is wound up by the winding reel 6.

Claims

1. A linkage tooling for alloy resistance tape packaging, comprising: The processing counter (1), the support frame plate (7) fixedly connected to the front side of the top of the processing counter (1), the pick-up and put-down mechanism (2) fixedly connected to the top of the processing counter (1), and the adjustment sealing mechanism (3) set in the area of ​​the support frame plate (7). Its features are, The pick-and-place mechanism (2) includes a limiting post (21) slidably connected above the processing counter (1) and vertically distributed, a limiting turntable (24) slidably connected to the outer wall of the limiting post (21), a threaded post (27) rotatably connected to the middle of the top of the limiting turntable (24), a threaded lifting block (28) threadedly connected to the outer wall of the threaded post (27), a rotating plate (29) rotatably connected to the periphery of the outer wall of the threaded lifting block (28), a sliding block post (25) rotatably connected to the bottom end of the rotating plate (29) and slidably connected to the inner wall of the limiting turntable (24), and a conical suction nozzle (26) communicating with the bottom end of the sliding block post (25).

2. The alloy resistance tape packaging linkage tooling according to claim 1, characterized in that, The adjusting sealing mechanism (3) includes an adjusting screw (31) rotatably connected to the front side of the support frame plate (7), a movable sliding plate (32) threadedly connected to the outer wall of the adjusting screw (31) and slidably connected to the bottom end of the inner wall of the support frame plate (7), an L-shaped plate (36) fixedly connected to the top of the support frame plate (7) and the movable sliding plate (32) respectively, a motor (37) fixedly connected to the outer wall of the front L-shaped plate (36), a front heat sealing cylinder (310) fixedly connected to the output end of the motor (37) through a connecting shaft (38), a rear heat sealing cylinder (311) rotatably connected to the inner wall of the rear L-shaped plate (36), and a locking column (39) slidably connected to the inner wall of the front heat sealing cylinder (310) and slidably connected to the inner wall of the rear heat sealing cylinder (311).

3. The alloy resistance tape packaging linkage tooling according to claim 1, characterized in that, The picking and placing mechanism (2) also includes a servo motor (8) fixedly connected to the inner wall of the processing counter (1). The output end of the servo motor (8) passes through the top of the processing counter (1) and is fixedly connected to the bottom end of the limiting post (21). A sleeve (23) is sleeved on the outer side of the limiting post (21). The top end of the sleeve (23) is rotatably connected to and abuts against the bottom end of the limiting turntable (24). An electric telescopic rod (22) is fixedly connected to the inner wall of the processing counter (1). The output end of the electric telescopic rod (22) is fixedly connected to the outer wall of the sleeve (23).

4. The alloy resistance tape packaging linkage tooling according to claim 1, characterized in that, The pick-and-place mechanism (2) further includes an L-shaped support plate (210) fixedly connected to the rear side of the top of the processing counter (1), an external air nozzle (211) fixedly connected to the top of the L-shaped support plate (210), a rotating ring (212) rotatably connected to the outer wall of the external air nozzle (211) and fixedly connected to the top of the threaded column (27), and a connecting air pipe (213) with one end connected to the rotating ring (212) and the other end connected to the conical suction nozzle (26). The rotating ring (212) is internally connected to the external air nozzle (211).

5. The alloy resistance tape packaging linkage tooling according to claim 2, characterized in that, The adjusting sealing mechanism (3) also includes a drive motor (33) fixedly connected to the top of the movable slide plate (32), a feeding wheel (34) rotatably connected to the left side of the movable slide plate (32), and a belt (35) meshing with the output end of the drive motor (33) and the outer wall of the feeding wheel (34). The outer wall of the feeding wheel (34) is provided with a groove for engaging the packaging tape.

6. The alloy resistance tape packaging linkage tooling according to claim 2, characterized in that, The adjusting sealing mechanism (3) also includes a limiting strip (312), the two ends of which are slidably connected between the L-shaped plate (36) fixed on the support frame plate (7) and the opposite sidewall of the L-shaped plate (36) fixed on the movable sliding plate (32) to restrict the relative rotation of the two L-shaped plates (36).

7. The alloy resistance tape packaging linkage tooling according to claim 2, characterized in that, The adjusting sealing mechanism (3) also includes a heating sensor (313), which is fixedly connected to the left outer wall of the front L-shaped plate (36) and is located on the side of the connection between the front heat sealing cylinder (310) and the rear heat sealing cylinder (311) for monitoring the heat sealing temperature.

8. The alloy resistance tape packaging linkage tooling according to claim 2, characterized in that, The front heat-sealing cylinder (310) and the rear heat-sealing cylinder (311) have a slot in the middle for the locking post (39) to slide. The outer wall shape of the locking post (39) is adapted to the inner wall shape of the slot, so that when the front heat-sealing cylinder (310) rotates, it drives the rear heat-sealing cylinder (311) to rotate synchronously through the locking post (39).

9. The alloy resistance tape packaging linkage tooling according to claim 1, characterized in that, It also includes a feeding tray (4) rotatably connected to the inner wall of the front side of the processing counter (1), a heat sealing tray (5) rotatably connected to the front top of the support frame plate (7), and a winding tray (6) rotatably connected to the left side of the support frame plate (7). The feeding tray (4), the heat sealing tray (5), and the winding tray (6) are all located on the same conveying path.

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