Double-layer conveying line for full-automatic support line

Abstract

The utility model discloses a double-layer conveying line for a full-automatic support line, and belongs to the field of support machining. The double-layer conveying line comprises two sets of conveying units which are fixed and arranged on a rack in parallel, the two sets of conveying units are an upper-layer conveying unit and a lower-layer conveying unit respectively, each set of conveying unit comprises a circulating conveying belt subunit, and at least one conveying channel is arranged on the circulating conveying subunit; a clamping mechanism and a material distributing mechanism are sequentially arranged at the conveying tail end of the conveying channel; meanwhile, the transferring mechanism is arranged on one side of the conveying unit. Through the arrangement that the double-layer conveying line is matched with the transfer mechanism, automatic conveying of at least multiple kinds of supports can be achieved, meanwhile, the product storage stations are fixedly arranged and only arranged on the upper layer, subsequent clamping of a robot is facilitated, meanwhile, accurate control over the transfer mechanism in the matching process is also facilitated, and the situation that too much conveying is conducted, and the production efficiency is improved is avoided. And subsequent clamping and testing are not timely.

Description

Technical Field

[0001] The utility model relates to the field of bracket processing equipment, in particular to a double-layer conveyor line for a bracket full-automatic production line. Background Art

[0002] In the new energy vehicle industry, brackets are commonly used parts, and brackets are divided into front brackets and rear brackets. In the actual production process, they need to be tested before being put into use. In the existing production equipment, there is a lack of a safe and reliable conveying device to cooperate with the automatic detection of such a large number of products. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a double-layer conveyor line for a bracket full-automatic production line.

[0004] The technical solution of the utility model is: a double-layer conveyor line for a bracket full-automatic production line, including:

[0005] A frame, the frame is arranged on the ground; two sets of conveying units are fixedly and parallelly arranged on the frame, and are respectively upper-layer conveying and lower-layer conveying. Each set of the conveying units includes:

[0006] A circulating conveying sub-unit, at least one conveying channel is arranged on the circulating conveying sub-unit (generally a conveying belt or a conveying chain plate); a clamping mechanism and a material distribution mechanism are sequentially arranged at the conveying end of the conveying channel;

[0007] The clamping mechanism includes: a clamping gantry bracket arranged on the frame and straddling the conveying channel, a clamping cylinder is arranged on the clamping gantry bracket, and clamping blocks are symmetrically arranged at the driving end of the clamping cylinder; and

[0008] The material distribution mechanism includes: a material distribution rack arranged on the frame through a material distribution cylinder, a material distribution baffle is arranged on the material distribution rack, the material distribution baffle is located at the end of the conveying direction of the conveying channel, a material distribution claw is arranged on the material distribution rack, material distribution clamping plates are symmetrically arranged on the material distribution claw, and the material distribution clamping plates move towards the clamping mechanism under the drive of the material distribution cylinder to clamp the workpiece and then return.

[0009] Further, the two clamping blocks of the clamping mechanism are arranged vertically and clamp from both sides of the product. A buffer pad is arranged on the inner side of the clamping of the clamping blocks.

[0010] Further, the material distribution clamping plates are arranged horizontally and clamp from both sides of the product. Similarly, buffer pads are also arranged at the positions in contact with the product.

[0011] Further, a position detection sensor is arranged on the material distribution baffle. It is convenient for the clamping operation of the material distribution clamping plates.

[0012] Further, a rejection station is also provided at the end of the lower conveying unit. The rejection station includes a rejection workbench, and at least one rejection position is provided on the rejection workbench, and a rejection sensor is correspondingly provided for each rejection position.

[0013] Further, a product storage position is also provided on the rack corresponding to the upper conveying unit. The product storage position includes a product storage board, and at least one group of product fixing blocks is provided on the product storage board. Each group includes two symmetrically arranged fixing blocks. A product is arranged between the two fixing blocks and is available for other clamping robots to clamp.

[0014] Further, an identification sensor for identifying whether there is a product is provided on each group of product fixing blocks, which is convenient for subsequent transfer operations.

[0015] Further, there is a gap between the product storage position and the material distribution mechanism, and a material distribution mechanism for lower-layer conveying is correspondingly provided below the gap. The setting of the gap is convenient for other robots or robot modules to clamp products, and simple identification can be carried out at the gap.

[0016] Further, guardrails are provided on both sides of the conveying path through an adjustment assembly, and the distance between the guardrails is set in cooperation with the bracket. The guardrails are parallel to the conveying direction of the conveying path; the adjustment assembly includes:

[0017] An adjustment gantry, a bidirectional lead screw is provided on the adjustment gantry through an adjustment handwheel, two lead screw nuts are respectively provided on the bidirectional lead screw, and a guardrail is provided on each lead screw nut. The inward or outward movement of the guardrail is controlled by the bidirectional lead screw. Generally, the guardrail is 1-5 mm away from the top surface of the conveying path to avoid collision between the two.

[0018] Further, two parallel conveying paths are provided on each circulating conveying sub-unit, and guardrails are provided on each conveying path, and the two groups of guardrails are driven by a bidirectional lead screw through a linkage assembly; the linkage assembly includes:

[0019] At least one linkage straight rod, the linkage straight rod is perpendicular to the conveying direction;

[0020] Linkage linear bearings, four linkage linear bearings are sleeved on each linkage straight rod;

[0021] Four linkage vertical plates, the linkage vertical plates are arranged on the linkage linear bearings along the vertical direction and are arranged in one-to-one correspondence, and each linkage vertical plate is connected to a guardrail;

[0022] Two linkage horizontal plates, one linkage horizontal plate is fixedly arranged between the first and the third linkage vertical plates, and another linkage horizontal plate is fixedly arranged between the second and the fourth linkage vertical plates; and

[0023] An adjustment component is arranged between the first and second linkage vertical plates or between the third and fourth linkage vertical plates. That is, the synchronous driving of the two groups of guardrails is realized through one adjustment component, which is convenient for synchronous adjustment according to the width of the bracket. At the same time, it is also convenient for the matching of different brackets.

[0024] Furthermore, a transfer mechanism is arranged on one side of the double-layer conveyor line. The transfer mechanism includes:

[0025] A transfer gantry, the upper beam of the transfer gantry is parallel to the conveying direction of the double-layer conveyor line;

[0026] A first horizontal linear module is fixedly arranged on the upper beam, and the first horizontal linear module is parallel to the conveying direction of the double-layer conveyor line;

[0027] A second vertical linear module is arranged at the driving end of the first horizontal linear module, and a transfer seat is arranged at the driving end of the second vertical linear module;

[0028] A transfer gripper is arranged on the transfer seat, the clamping direction of the transfer gripper is consistent with the conveying direction of the double-layer conveyor line, and clamping fingers are symmetrically arranged on the transfer gripper;

[0029] A measuring component is also arranged on the transfer seat. The measuring component includes:

[0030] A measuring bracket fixedly arranged on the transfer seat, a measuring sensor is arranged on the measuring bracket, and the measuring sensor tests the product clamped by the transfer gripper. Through the test of the measuring sensor, the height of the product can be tested, and unqualified products can be removed.

[0031] Furthermore, two groups of double-layer conveyor lines are arranged, a transfer mechanism is arranged between the two groups of double-layer conveyor lines, the two transfer mechanisms share a transfer gantry, and are respectively arranged on both sides of the upper beam. That is, the two share a transfer gantry. The separate driving of the two groups of double-layer conveyor lines is realized. Each layer of the conveying unit is provided with two conveying channels, that is, there are eight conveying channels.

[0032] Furthermore, two groups of transfer grippers are arranged on the transfer seat.

[0033] Furthermore, the measuring sensor has a compression probe vertically downward, and a buffer component is arranged at the lower end of the compression probe. The upper end of the buffer component is always in contact with the compression probe, a measuring block is arranged at the lower end of the buffer component, and the measuring block is arranged in cooperation with the bump of the product.

[0034] Further, the buffer assembly is arranged in a rectangular frame. The vertical rods of the rectangular frame pass through the transfer base through buffer linear bearings. The lower end of the rectangular frame is a test block, and the upper end of the rectangular frame contacts the compression probe. That is, the buffer assembly is realized.

[0035] Further, at least two anti-misalignment bumps are provided on the product. The bumps can function in product measurement, positioning, identification, etc.

[0036] Further, the measurement bracket includes: a fixedly arranged measurement column, a vertical strip-shaped hole provided on the measurement column, a measurement cross bar connected through the strip-shaped hole and a tightening screw, and a measurement sensor arranged vertically on the measurement cross bar. The height adjustment of the measurement sensor can be realized, and then products of different heights can be adapted.

[0037] Further, a clamping buffer layer is arranged on the inner side of the clamping fingers. Through the arrangement of the clamping buffer layer, the stable clamping of the workpiece is facilitated.

[0038] The beneficial technical effects of the present utility model are: Through the setting of this double-layer conveyor line in cooperation with the transfer mechanism, the automatic transfer of at least multiple brackets can be realized. At the same time, the product storage station is fixedly arranged and only on the upper layer, which is convenient for subsequent clamping by the robot and also convenient for the precise control of the transfer mechanism during the matching process, avoiding problems such as excessive conveying, and untimely subsequent clamping and testing. Description of the Drawings

[0039] Figure 1 It is a three-dimensional structural schematic diagram of a double-layer conveyor line and a transfer mechanism for a full-automatic bracket line.

[0040] Figure 2 It is a top view schematic diagram of the double-layer conveyor line.

[0041] Figure 3 It is a three-dimensional schematic diagram of the double-layer conveyor line.

[0042] Figure 4 It is a partial schematic diagram of the upper layer of the double-layer conveyor line.

[0043] Figure 5 It is a partial schematic diagram of the lower layer of the double-layer conveyor line.

[0044] Figure 6 It is an overall schematic diagram of the transfer mechanism.

[0045] Figure 7 It is a partial schematic diagram of the transfer mechanism.

[0046] Figure 8 It is a schematic diagram of the product.

[0047] In the figure:

[0048] 1. Frame

[0049] 2. Circulating conveying sub-unit

[0050] 3. Clamping mechanism, 31. Clamping gantry bracket, 32. Clamping cylinder, 33. Clamping block

[0051] 4. Material distributing mechanism, 41. Material distributing cylinder, 42. Material distributing rack, 43. Material distributing baffle, 44. Material distributing gripper, 45. Material distributing clamping plate, 46. In-place detection sensor

[0052] 5. Rejection station

[0053] 6. Product storage station, 61. Product storage board, 62. Product fixing block, 63. Identification sensor, 7. Guardrail

[0054] 8. Adjusting component, 81. Adjusting gantry, 82. Adjusting handwheel, 83. Bi-directional lead screw, 84. Lead screw nut

[0055] 9. Linkage component, 91. Linkage linear rod, 92. Linkage linear bearing, 93. Linkage vertical plate, 94. Linkage horizontal plate

[0056] 10. Transfer gantry, 101. Upper beam

[0057] 11. First horizontal linear module

[0058] 12. Second vertical linear module

[0059] 13. Transfer seat

[0060] 14. Transfer gripper, 141. Gripping finger, 142. Gripping buffer layer

[0061] 15. Measuring component, 151. Measuring bracket, 1511. Measuring column, 1512. Strip hole, 1513. Measuring cross bar, 152. Measuring sensor, 153. Compression probe

[0062] 16. Buffer component, 161. Buffer linear bearing, 162. Test block

[0063] 17. Anti-misalignment bump Detailed implementation manners

[0064] In order to clearly understand the technical means of the present utility model and be implemented in accordance with the content of the specification, the following further describes in detail the specific implementation manners of the present utility model in combination with the drawings and embodiments. The following embodiments are used to illustrate the present utility model but not to limit the scope of the present utility model.

[0065] See attached Figure 1-8, A double-layer conveyor line for a stent full-automatic line in this embodiment includes:

[0066] A frame 1, and the frame 1 is arranged on the ground; Two sets of conveying units are fixedly and parallelly arranged on the frame 1, and are respectively upper-layer conveying and lower-layer conveying. Each set of conveying units includes:

[0067] A circulating conveying sub-unit, at least one conveying track is arranged on the circulating conveying sub-unit 2 (generally a conveying belt or a conveying chain plate); A clamping mechanism 3 and a material distribution mechanism 4 are successively arranged at the conveying end of the conveying track;

[0068] The clamping mechanism 3 includes: A clamping gantry bracket 31 arranged on the frame 1 and straddling the conveying track, a clamping cylinder 32 is arranged on the clamping gantry bracket 31, and clamping blocks 33 are symmetrically arranged at the driving end of the clamping cylinder 32; And

[0069] The material distribution mechanism 4 includes: A material distribution rack 42 arranged on the frame 1 through a material distribution cylinder 41, a material distribution baffle 43 is arranged on the material distribution rack 42, the material distribution baffle 43 is located at the end of the conveying direction of the conveying track, a material distribution jaw 44 is arranged on the material distribution rack 42, material distribution clamping plates 45 are symmetrically arranged on the material distribution jaw 44, and the material distribution clamping plates 45 move towards the clamping mechanism 3 under the drive of the material distribution cylinder 41, clamp the workpiece and then return.

[0070] Further, the two clamping blocks 33 of the clamping mechanism 3 are arranged in the vertical direction and clamp from both sides of the product. A buffer pad is arranged on the inner side of the clamping of the clamping blocks 33.

[0071] Further, the material distribution clamping plates 45 are arranged in the horizontal direction and clamp from both sides of the product. Similarly, buffer pads are also arranged at the positions in contact with the product.

[0072] Further, a position detection sensor 46 is arranged on the material distribution baffle 43. It is convenient for the clamping operation of the material distribution clamping plates 45.

[0073] Further, a rejection station 5 is also arranged at the end of the lower-layer conveying unit. The rejection station 5 includes a rejection workbench, at least one rejection position is arranged on the rejection workbench, and a rejection inductor is correspondingly arranged for each rejection position.

[0074] Further, a product storage station 6 is also arranged on the frame 1 corresponding to the upper-layer conveying unit. The product storage station 6 includes a product storage board 61, at least one group of product fixing blocks 62 is arranged on the product storage board 61, and each group includes two symmetrically arranged fixing blocks. A product is arranged between the two fixing blocks. And it is for other clamping robots to clamp.

[0075] Further, an identification sensor 63 for identifying whether there is a product is arranged on each group of product fixing blocks 62. It is convenient for subsequent transfer operations.

[0076] Further, there is a gap between the product storage station 6 and the material distribution mechanism 4, and a material distribution mechanism 4 for lower-layer transportation is correspondingly arranged below the gap. The setting of the gap facilitates the clamping of products by other robots or robot modules, and simple identification can be carried out at the gap.

[0077] Further, guardrails 7 are arranged on both sides of the conveying path through adjusting components 8, and the distance between the guardrails 7 is set in cooperation with the brackets. The guardrails 7 are parallel to the conveying direction of the conveying path; the adjusting components 8 include:

[0078] An adjusting gantry 81, on which a bidirectional lead screw 83 is arranged through an adjusting handwheel 82. Two lead screw nuts 84 are respectively arranged on the bidirectional lead screw 83, and a guardrail 7 is arranged on each lead screw nut 84. The inward or outward movement of the guardrail 7 is controlled by the bidirectional lead screw 83. Generally, the guardrail 7 is 1 - 5 mm away from the top surface of the conveying path to avoid collision between the two.

[0079] Further, two parallel conveying paths are arranged on each circulating conveying sub-unit 2, and guardrails 7 are arranged on each conveying path. The two groups of guardrails 7 are driven by a single bidirectional lead screw 83 through a linkage component 9; the linkage component 9 includes:

[0080] At least one linkage linear rod 91, which is perpendicular to the conveying direction;

[0081] Linkage linear bearings 92, with four linkage linear bearings 92 sleeved on each linkage linear rod 91;

[0082] Four linkage vertical plates 93, which are arranged vertically on the linkage linear bearings 92 and are arranged in one-to-one correspondence. Each linkage vertical plate 93 is connected to a guardrail 7;

[0083] Two linkage horizontal plates 94, with one linkage horizontal plate 94 fixedly arranged between the first and the third linkage vertical plates 93, and another linkage horizontal plate 94 fixedly arranged between the second and the fourth linkage vertical plates 93; and

[0084] An adjusting component 8 is arranged between the first and second linkage vertical plates 93 or between the third and fourth linkage vertical plates 93. That is, the synchronous driving of the two groups of guardrails 7 is realized through one adjusting component 8, which facilitates synchronous adjustment according to the width of the bracket. At the same time, it is also convenient for the matching of different brackets.

[0085] Further, a transfer mechanism is arranged on one side of the double-layer conveying line. The transfer mechanism includes:

[0086] A transfer gantry 10, the upper beam 101 of which is parallel to the conveying direction of the double-layer conveying line;

[0087] A first horizontal linear module 11 is fixedly arranged on the upper beam 101, and the first horizontal linear module 11 is parallel to the conveying direction of the double-layer conveyor line;

[0088] A second vertical linear module 12 is arranged at the driving end of the first horizontal linear module 11, and a transfer seat 13 is arranged at the driving end of the second vertical linear module 12;

[0089] A transfer gripper 14 is arranged on the transfer seat 13, the clamping direction of the transfer gripper 14 is consistent with the conveying direction of the double-layer conveyor line, and clamping fingers 141 are symmetrically arranged on the transfer gripper 14;

[0090] A measuring component 15 is also arranged on the transfer seat 13, and the measuring component 15 includes:

[0091] A measuring bracket 151 fixedly arranged on the transfer seat 13, a measuring sensor 152 is arranged on the measuring bracket 151, and the measuring sensor 152 tests the product clamped by the transfer gripper 14. Through the test of the measuring sensor 152, the height of the product can be tested, and unqualified products can be removed.

[0092] Furthermore, two sets of double-layer conveyor lines are provided, a transfer mechanism is arranged between the two sets of double-layer conveyor lines, the two transfer mechanisms share a transfer gantry 10, and are respectively arranged on both sides of the upper beam 101. That is, the two share a transfer gantry 10. The separate driving of the two sets of double-layer conveyor lines is realized. Each layer of the conveying unit is provided with two conveying channels, that is, there are eight conveying channels.

[0093] Furthermore, two sets of transfer grippers 14 are arranged on the transfer seat 13.

[0094] Furthermore, the measuring sensor 152 has a compression probe 153 vertically downward, and a buffer component 16 is arranged at the lower end of the compression probe 153. The upper end of the buffer component 16 is always in contact with the compression probe 153, a measuring block is arranged at the lower end of the buffer component 16, and the measuring block is arranged in cooperation with the bump of the product.

[0095] Furthermore, the buffer component 16 is arranged in a rectangular frame, the vertical rods of the rectangular frame are arranged through the transfer seat 13 through buffer linear bearings 161, the lower end of the rectangular frame is a test block 162, and the upper end of the rectangular frame is in contact with the compression probe 153. That is, the setting of the buffer component 16 is realized.

[0096] Furthermore, at least two anti-misalignment bumps 17 are arranged on the product. The setting of the bumps can perform functions such as product measurement, positioning, and identification.

[0097] Further, the measuring bracket 151 includes a fixedly arranged measuring column 1511, a vertical strip-shaped hole 1512 is arranged on the measuring column 1511, a measuring cross bar 1513 connected by the strip-shaped hole 1512 and a tightening screw, and a measuring sensor 152 is arranged on the measuring cross bar 1513 in the vertical direction. The height adjustment of the measuring sensor 152 can be realized, and then products of different heights can be adapted.

[0098] Further, a clamping buffer layer 142 is arranged on the inner side of the clamping finger 141. Through the arrangement of the clamping buffer layer 142, the stable clamping of the workpiece is facilitated.

[0099] Through the setting of this double-layer conveyor line in cooperation with the transfer mechanism, the automatic conveying of at least multiple brackets can be realized. At the same time, the product storage station 6 is fixedly arranged and only on the upper layer, which is convenient for the subsequent clamping by the robot and also convenient for the precise control of the transfer mechanism during the grouping process, avoiding problems such as excessive conveying, and untimely subsequent clamping and testing. See the appendix at the same time. Figure 2 As shown, the upper and lower parts of the circulating conveying sub-unit are arranged in a staggered manner, ensuring that each function does not interfere with each other and realizing the moving function through a transfer mechanism at the same time.

[0100] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double-layer conveyor line for a stent automatic line, characterized in that: include: A frame (1), wherein the frame (1) is arranged on the ground; Two groups of conveying units are fixedly and parallelly arranged on the frame (1), and are respectively upper conveying and lower conveying, and each group of the conveying units comprises: a circulating conveying subunit, and at least one conveying path is arranged on the circulating conveying subunit (2); a clamping mechanism (3) and a material distribution mechanism (4) are arranged in sequence at the conveying end of the conveying path; The clamping mechanism (3) comprises: a clamping gantry support (31) arranged on the frame (1) and straddling the conveying path, a clamping cylinder (32) arranged on the clamping gantry support (31), and a clamping block (33) symmetrically arranged at the driving end of the clamping cylinder (32); and The material distribution mechanism (4) comprises: a material distribution frame (42) arranged on the frame (1) through a material distribution cylinder (41); a material distribution baffle (43) is arranged on the material distribution frame (42); the material distribution baffle (43) is located at the end of the conveying direction of the conveying path; a material distribution clamp (44) is arranged on the material distribution frame (42); a material distribution clamp (45) is symmetrically arranged on the material distribution clamp (44); and the material distribution clamp (45) moves toward the clamping mechanism (3) under the drive of the material distribution cylinder (41) and clamps the workpiece and then returns.

2. The double-layer conveyor line for the stent automatic line according to claim 1 is characterized in that: The two clamping blocks (33) of the clamping mechanism (3) are arranged in a vertical direction and clamp the product from both sides; the material dividing clamping plate (45) is arranged in a horizontal direction and clamps the product from both sides.

3. The double-layer conveyor line for the stent automatic line according to claim 1 is characterized in that: A position detection sensor (46) is arranged on the material distribution baffle (43).

4. The double-layer conveyor line for a stent automatic line according to claim 1 is characterized in that: A rejection station (5) is also arranged at the end of the lower conveying unit. The rejection station (5) comprises a rejection workbench. At least one rejection position is arranged on the rejection workbench, and a rejection sensor is correspondingly arranged at each rejection position.

5. The double-layer conveyor line for a stent automatic line according to claim 1 is characterized in that: A product storage station (6) is also arranged on the frame (1) corresponding to the upper conveying unit, the product storage station (6) comprising a product storage plate (61), at least one group of product fixing blocks (62) is arranged on the product storage plate (61), each group comprising two symmetrically arranged fixing blocks, and at least one identification sensor (63) for identifying whether there is a product is arranged on each group of product fixing blocks (62).

6. The double-layer conveyor line for a stent automatic line according to claim 5 is characterized in that: There is a gap between the product storage station (6) and the material distribution mechanism (4), and a material distribution mechanism (4) for lower-level conveying is arranged below the gap.

7. The double-layer conveyor line for a stent automatic line according to claim 1 is characterized in that: Guardrails (7) are arranged on both sides of the conveying path through an adjustment component (8), and the distance between the guardrails (7) is set in coordination with the bracket, and the guardrails (7) are parallel to the conveying direction of the conveying path; the adjustment component (8) comprises: An adjusting gantry (81) is provided with a bidirectional screw rod (83) via an adjusting hand wheel (82), two screw rod nuts (84) are respectively provided on the bidirectional screw rod (83), and a guardrail (7) is provided on each screw rod nut (84).

8. The double-layer conveyor line for a stent automatic line according to claim 1, characterized in that: Two parallel conveying paths are arranged on each circulating conveying subunit (2), and each conveying path is provided with a guardrail (7), and the two sets of guardrails (7) are driven by a bidirectional screw rod (83) through a linkage assembly (9); the linkage assembly (9) comprises: At least one linked linear rod (91), wherein the linked linear rod (91) is perpendicular to the conveying direction; Linked linear bearings (92), four linked linear bearings (92) are sleeved on each linked linear rod (91); Four linkage vertical plates (93), wherein the linkage vertical plates (93) are arranged on the linkage linear bearings (92) along the vertical direction and are arranged one by one correspondingly, and each linkage vertical plate (93) is connected to a guardrail (7); Two linkage transverse plates (94), one linkage transverse plate (94) is fixedly disposed between the first and third linkage vertical plates (93), and another linkage transverse plate (94) is fixedly disposed between the second and fourth linkage vertical plates (93); and An adjustment component (8) is arranged between the first and second linkage vertical plates (93) or between the third and fourth linkage vertical plates (93).

9. The double-layer conveyor line for a stent automatic line according to claim 1, characterized in that: A transfer mechanism for product transfer is arranged on one side of the double-layer conveyor line.

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