A clamping conveying device and conveying method thereof

Abstract

The present invention discloses a clamping and conveying device, including a conveying seat, a conveying driving mechanism for driving the conveying seat to move back and forth, and a protective mechanism arranged on one side of the conveying seat. The conveying seat is provided with a clamping mechanism, and the protective mechanism includes a base plate and guardrails arranged on both sides of the base plate. The guardrail away from the conveying seat is connected with a moving part, and the guardrail close to the conveying seat is connected to the base plate. A linkage assembly is provided between the moving part and the base plate so that the base plate can be raised and lowered with the movement of the moving part. The conveying method includes S1, loading the bottle: the base plate is in a high position, and the guardrail connected to the moving part is in a position close to the base plate; S2, the clamping mechanism clamps the bottle body; S3, the protective mechanism is released; S4, the conveying seat drives the clamping mechanism to move to the target position; S5, the protective mechanism protects the conveyed material: the moving part drives the guardrail connected to the moving part to approach the base plate, and at the same time the base plate and the guardrail connected to the base plate rise to a high position to support the conveyed material.

Description

Technical Field

[0001] The invention relates to food and medicine packaging machinery and a use method, and in particular to a clamping and conveying device and a conveying method thereof. Background Art

[0002] During the filling and production process of drugs, the bottles need to be transported to filling and stoppering stations to complete the filling and stoppering process. At present, most bottle conveying structures use synchronous belts as conveying carriers. The synchronous belt technology is mature and reliable, but there are also certain shortcomings: 1) Some special-shaped containers cannot be transported; 2. Different molds are required for bottles of different shapes, resulting in a large number of spare molds and increased costs; 3. The bottles cannot be positioned and protected at filling and stoppering stations. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a clamping and conveying device which has a wide application range, is convenient for adjusting specifications, and can protect the bottle during filling and stoppering.

[0004] The present invention further provides a conveying method of the clamping and conveying device.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A clamping and conveying device comprises a conveying seat, a conveying drive mechanism for driving the conveying seat to reciprocate, and a protective mechanism arranged on one side of the conveying seat, wherein the conveying seat is provided with a clamping mechanism, and the protective mechanism comprises a base plate and guardrails arranged on both sides of the base plate, the guardrail away from the conveying seat is connected to a moving component to approach or move away from the base plate, the guardrail close to the conveying seat is connected to the base plate, and a linkage component is provided between the moving component and the base plate so that the base plate can be raised and lowered with the movement of the moving component.

[0007] As a further improvement of the above technical solution: the linkage assembly includes a lifting rod, a connecting rod and a guide seat arranged on the outer periphery of the lifting rod, the upper end of the lifting rod is connected to the base plate, the lower end of the lifting rod is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the moving part.

[0008] As a further improvement of the above technical solution: the moving component is arranged on an eccentric rotating shaft.

[0009] As a further improvement of the above technical solution: a positioning groove is provided on the inner side of the guardrail connected to the moving component.

[0010] As a further improvement of the above technical solution: the clamping mechanism is provided with multiple ones and is evenly arranged along the length direction of the conveying seat, the clamping mechanism includes two parallel swing shafts and clamping claws arranged on the two swing shafts, one of the swing shafts is provided with a driving gear, and the other swing shaft is provided with a driven gear meshing with the driving gear, the conveying seat is provided with a clamping rack, and each of the driving gears is meshed with the clamping rack.

[0011] As a further improvement of the above technical solution: a transition rack is provided on the side of the clamping rack away from the driving gear, an escape portion for the reciprocating movement of the transition rack is provided on the conveying seat, and the transition rack is equipped with a clamping gear.

[0012] As a further improvement of the above technical solution: the conveying drive mechanism includes a conveying rack arranged on the conveying seat and a conveying gear meshing with the conveying rack.

[0013] As a further improvement of the above technical solution: the clamping gear is arranged on a clamping shaft, the conveying gear is arranged on a conveying shaft, and the conveying shaft is sleeved on the outer circumference of the clamping shaft; or, the clamping shaft is sleeved on the outer circumference of the conveying shaft.

[0014] As a further improvement of the above technical solution: a conveying slide block and a clamping guide rail are provided on the conveying seat, the conveying slide block is arranged on a conveying guide rail, the clamping guide rail is provided with a clamping slide rail, and the clamping rack is arranged on the clamping slide rail.

[0015] A conveying method of the above-mentioned clamping conveying device comprises the following steps:

[0016] S1, bottle loading: the bottom plate is at a high position, the guardrail connected to the moving parts is close to the bottom plate, the conveyed material is transferred to the bottom plate, and the guardrail protects the conveyed material;

[0017] S2, the clamping mechanism clamps and conveys the material;

[0018] S3, the protective mechanism releases the conveyed material: the moving part drives the guardrail connected to the moving part away from the bottom plate, and at the same time the bottom plate and the guardrail connected to the bottom plate drop to a low position and separate from the conveyed material;

[0019] S4, the conveying seat drives the clamping mechanism to move until the conveyed material reaches the target position;

[0020] S5, protective mechanism bottle protection: the moving parts drive the guardrail connected to the moving parts to approach the bottom plate to protect the conveyed materials, and at the same time the bottom plate and the guardrail connected to the bottom plate rise to a high position to support the conveyed materials;

[0021] S6, the clamping mechanism releases the conveying material, and the conveying seat resets;

[0022] S7. Repeat steps S1 to S6 until the conveying of the conveyed material is completed.

[0023] Compared with the prior art, the advantages of the present invention are: the clamping and conveying device disclosed in the present invention, the conveying seat utilizes the clamping mechanism to clamp the conveying material for conveying, and when the conveying seat is conveying, the guardrail in the protection mechanism away from the conveying seat is translated and separated from the conveying material, and the guardrail close to the conveying seat is lowered together with the bottom plate and separated from the conveying material, so the protection mechanism will not interfere with the conveying of the conveying material, and when the conveying material is conveyed to the process positions such as filling and plugging, the guardrail away from the conveying seat approaches the conveying material, and the guardrail close to the conveying seat is raised together with the bottom plate, and the bottom plate can cooperate with the guardrails on both sides to effectively protect, at this time, the clamping mechanism releases the conveying material, and the conveying seat is reset to realize cyclic conveying, with good reliability, and can be applicable to conveying materials of various types and specifications, especially conveying materials with complex shapes. When the specifications are adjusted, only the guardrail and the clamping mechanism need to be replaced, and the operation is convenient; when the guardrail moves back and forth, the linkage assembly drives the bottom plate to rise and fall, which can reduce the number of driving components, simplify the structure, and at the same time ensure the consistency of the movement of the guardrail and the bottom plate.

[0024] The conveying method disclosed in the present invention is that before the conveying seat conveys, the clamping mechanism first clamps the conveyed material, and the protective mechanism is then separated from the conveyed material, which can ensure that the conveying process is smooth and will not be interfered with by the protective mechanism. After the conveyed material is conveyed to the process position, the bottom plate of the protective mechanism rises to support the conveyed material, and the guardrail moves to the side of the bottom plate for protection, which can ensure that the conveyed material is accurately positioned during the process. After the protective mechanism protects the conveyed material, the clamping mechanism releases the conveyed material, and the conveying seat is reset. During the entire conveying process, the conveyed material is either clamped by the clamping mechanism or protected by the protective mechanism. The reliability is good and can be applicable to conveyed materials of various types and specifications; the movement process of the guardrail is well synchronized with the lifting process of the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the clamping and conveying device of the present invention.

[0026] Figure 2 It is a three-dimensional structural schematic diagram of the protection mechanism in the present invention.

[0027] Figure 3 It is a schematic cross-sectional structural diagram of the protection mechanism in the present invention.

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping mechanism in the present invention from a first viewing angle.

[0029] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping mechanism in the present invention from a second viewing angle.

[0030] Figure 6 It is a three-dimensional structural schematic diagram of the conveying drive mechanism in the present invention.

[0031] The reference numerals in the figure represent: 1. conveying seat; 11. avoidance part; 2. conveying drive mechanism; 21. conveying rack; 22. conveying gear; 23. conveying shaft; 3. protection mechanism; 31. bottom plate; 32. guardrail; 33. moving part; 34. linkage assembly; 341. lifting rod; 342. connecting rod; 343. guide seat; 35. positioning groove; 36. eccentric shaft; 4. clamping mechanism; 41. swing shaft; 42. clamping claw; 43. driving gear; 44. driven gear; 51. transition rack; 52. clamping gear; 53. clamping shaft; 54. clamping rack; 6. conveying material; 71. conveying guide rail; 72. conveying slide block; 73. clamping guide rail; 74. clamping slide rail. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Embodiment 1

[0034] Figures 1 to 6 An embodiment of a clamping and conveying device of the present invention is shown, wherein the conveying material 6 is a bottle for packaging various types of medicines. The clamping and conveying device of this embodiment includes a conveying seat 1, a conveying drive mechanism 2 for driving the conveying seat 1 to move back and forth, and a protective mechanism 3 arranged on one side of the conveying seat 1. The conveying seat 1 is provided with a clamping mechanism 4, and the protective mechanism 3 includes a bottom plate 31 and guardrails 32 arranged on both sides of the bottom plate 31. The guardrail 32 away from the conveying seat 1 is connected to a moving part 33 to approach or move away from the bottom plate 31, and the guardrail 32 close to the conveying seat 1 is connected to the bottom plate 31. A linkage component 34 is provided between the moving part 33 and the bottom plate 31 to enable the bottom plate 31 to rise and fall with the movement of the moving part 33.

[0035] In the clamping and conveying device, the conveying seat 1 uses the clamping mechanism 4 to clamp the bottle body for conveying. When the conveying seat 1 is conveying, the guardrail 32 of the protective mechanism 3 far away from the conveying seat 1 is translated and separated from the bottle body, and the guardrail 32 close to the conveying seat 1 is lowered together with the bottom plate 31 and separated from the bottle body, so the protective mechanism 3 will not interfere with the conveying of the bottle body. When the bottle body is conveyed to the process position such as filling and plugging, the guardrail 32 far away from the conveying seat 1 is close to the bottle body, and the guardrail 32 close to the conveying seat 1 is raised together with the bottom plate 31, and the bottom plate 31 cooperates with the guardrails 32 on both sides. The bottle can be effectively protected. At this time, the clamping mechanism 4 releases the bottle body, and the conveying seat is reset 1 to realize cyclic conveying. It has good reliability and can be applicable to bottles of various types and specifications, especially bottles with complex shapes. When the specifications are adjusted, only the guardrail 32 with the positioning groove 35 and the clamping mechanism 4 need to be replaced, which is easy to operate. When the guardrail 32 moves back and forth, the linkage component 34 drives the bottom plate 31 to rise and fall, which can reduce the number of driving components, simplify the structure, save costs, and at the same time ensure the consistency of the movement of the guardrail 32 and the bottom plate 31.

[0036] Furthermore, in this embodiment, the linkage assembly 34 includes a lifting rod 341, a connecting rod 342, and a guide seat 343 disposed on the periphery of the lifting rod 341. The upper end of the lifting rod 341 is connected to the bottom plate 31, the lower end of the lifting rod 341 is hinged to one end of the connecting rod 342, and the other end of the connecting rod 342 is hinged to the moving component 33. When the moving component 33 moves, it drives the connecting rod 342 to move, and the connecting rod 342 further drives the lifting rod 341 to move. The lifting rod 341 only moves up and down under the guidance and constraint of the guide seat 343, which ensures the accuracy of the lifting movement, simple and reliable structure, and smooth movement. For details, see Figure 3 When the moving part 33 moves to the right, under the action of the connecting rod 342 and the guide seat 343, the lifting rod 341, the bottom plate 31 and the guardrail 32 connected to the bottom plate connection 31 descend; conversely, when the moving part 33 moves to the left, the lifting rod 341, the bottom plate 31 and the guardrail 32 connected to the bottom plate connection 31 rise.

[0037] Furthermore, in this embodiment, the moving part 33 is arranged on an eccentric rotating shaft 36, that is, the eccentric rotating shaft 36 is used as a driving force to convert its rotational motion into the left and right movement of the moving part 33, which has a simple structure and good reliability. The use of the eccentric rotating shaft 36 can make full use of the vertical space, reduce the occupied plant area, and is not easy to contaminate the bottle body above. Of course, in other embodiments, a cylinder, a screw nut pair, etc. can also be used to drive the moving part 33 to move back and forth, but it does not have the above advantages of the eccentric rotating shaft 36.

[0038] As a preferred embodiment, a positioning groove 35 is provided inside the guardrail 32 connected to the moving part 33. The positioning groove 35 can better protect the bottle and prevent the bottle from moving relative to the guardrail 32. Figure 3The positioning groove 35 is set on the guardrail 32 connected to the moving part 33. When the guardrail 32 moves to the right, the bottle body is separated from the positioning groove 35, which will not affect the subsequent bottle conveying of the conveying seat 1.

[0039] As a preferred embodiment, the clamping mechanism 4 is provided with multiple and evenly arranged along the length direction of the conveying seat 1, that is, multiple bottles can be conveyed at the same time and at equal intervals. The clamping mechanism 4 includes two parallel swing shafts 41 and clamping claws 42 arranged on the two swing shafts 41, one of the swing shafts 41 is provided with a driving gear 43, and the other swing shaft 41 is provided with a driven gear 44 meshing with the driving gear 43. The conveying seat 1 is provided with a clamping rack 54, and each driving gear 43 is meshed with the clamping rack 54. For details, see Figure 5 When the clamping rack 54 moves, it can drive each driving gear 43 to rotate synchronously, and the swing shaft 41 on which the driving gear 43 is installed rotates synchronously. When the swing shaft 41 rotates, it can drive the clamping claw 42 thereon to swing. At the same time, the driving gear 43 can drive the driven gear 44 meshing therewith to rotate, and the swing shaft 41 on which the driven gear 44 is installed rotates synchronously. When the swing shaft 41 rotates, it can drive the clamping claw 42 thereon to swing. With the reciprocating movement of the clamping rack 54, the two clamping claws 42 in the clamping mechanism 4 swing synchronously, and can clamp the bottle body when they are close to each other, and release the bottle body when they are far away from each other. The gear rack pair has reliable transmission and compact structure. The clamping rack 54 is used to drive all the clamping mechanisms 4, which reduces the number of driving components, simplifies the structure, and can ensure good consistency of the actions of all the clamping mechanisms 4. By using two clamping claws 42 to clamp the bottle body, it can be achieved within a certain size range without replacement.

[0040] Furthermore, in this embodiment, a transition rack 51 is provided on the side of the clamping rack 54 away from the driving gear 43, and an escape portion 11 for the transition rack 51 to reciprocate is provided on the conveying seat 1, and the transition rack 51 is equipped with a clamping gear 52. When the clamping mechanism 4 needs to be actuated, the clamping gear 52 rotates, thereby driving the transition rack 51 to reciprocate, and the clamping rack 54 reciprocates synchronously with the transition rack 51, with a compact structure and high reliability.

[0041] Furthermore, in this embodiment, the conveying drive mechanism 2 includes a conveying rack 21 provided on the conveying seat 1 and a conveying gear 22 meshing with the conveying rack 21. When conveying is required, the conveying gear 22 rotates, thereby driving the conveying rack 21 to reciprocate, and the conveying seat 1 reciprocates synchronously with the conveying rack 21, which has a compact structure, occupies less plant area, and has reliable conveying.

[0042] Furthermore, in this embodiment, the clamping gear 52 is disposed on a clamping shaft 53, the conveying gear 22 is disposed on a conveying shaft 23, and the conveying shaft 23 is sleeved on the outer periphery of the clamping shaft 53, which has a simple and compact structure and saves equipment layout. Of course, in other embodiments, the clamping shaft 53 can also be sleeved on the outer periphery of the conveying shaft 23.

[0043] As a preferred embodiment, a conveying slide block 72 and a clamping guide rail 73 are provided on the conveying seat 1. The conveying slide block 72 is provided on a conveying guide rail 71. A clamping slide rail 74 is provided on the clamping guide rail 73. The clamping rack 54 is provided on the clamping slide rail 74. The conveying slide block 72 cooperates with the conveying guide rail 71 to provide a guide for the movement of the conveying seat 1, ensuring that the conveying seat 1 moves smoothly with high movement accuracy; the clamping guide rail 73 cooperates with the clamping slide rail 74 to provide a guide for the movement of the clamping rack 54, ensuring that the clamping rack 54 moves smoothly with high movement accuracy.

[0044] Embodiment 2

[0045] The conveying method of the clamping conveying device comprises the following steps:

[0046] S1. Loading bottles: the bottom plate 31 is at a high position, the guardrail 32 connected to the moving part 33 is close to the bottom plate 31, the bottle body is transferred to the bottom plate 31, and the guardrail 32 protects the bottle. Preferably, a robot can be used to load the bottle body into the positioning groove 35;

[0047] S2, the clamping mechanism 4 clamps the bottle body. Specifically, the clamping gear 52 rotates, thereby driving the transition rack 51 to move, and the clamping rack 54 moves synchronously with the transition rack 51, driving the driving gears 43 to rotate synchronously, and the clamping claws 42 on the two swing shafts 41 swing synchronously and approach each other, thereby clamping the bottle body;

[0048] S3, the protection mechanism 3 releases the bottle body: the moving component 33 drives the guardrail 32 connected to the moving component 33 away from the bottom plate 31, and at the same time the bottom plate 31 and the guardrail 32 connected to the bottom plate 31 are lowered to a low position and separated from the bottle body. Specifically, the moving component 33 moves to the right, and under the action of the connecting rod 342 and the guide seat 343, the lifting rod 341, the bottom plate 31 and the guardrail 32 connected to the bottom plate connection 31 are lowered;

[0049] S4, the conveying seat 1 drives the clamping mechanism 4 to move until the bottle reaches the target position (such as the filling station, the plugging station, etc.), specifically, the conveying gear 22 rotates, thereby driving the conveying rack 21 to move, and the conveying seat 1 moves synchronously with the conveying rack 21;

[0050] S5, protection mechanism 3 protects the bottle: the moving component 33 drives the guardrail 32 connected to the moving component 33 to approach the bottom plate 31 to protect the bottle, and at the same time the bottom plate 31 and the guardrail 32 connected to the bottom plate 31 rise to a high position to support the bottle body. Specifically, the moving component 33 moves to the left, and under the action of the connecting rod 342 and the guide seat 343, the lifting rod 341, the bottom plate 31 and the guardrail 32 connected to the bottom plate 31 rise;

[0051] S6, the clamping mechanism 4 releases the bottle body, and the conveying seat 1 is reset. Specifically, the clamping gear 52 rotates in the opposite direction, thereby driving the transition rack 51 to move in the opposite direction, and the clamping rack 54 moves synchronously with the transition rack 51, driving the driving gears 43 to rotate synchronously, and the clamping claws 42 on the two swing shafts 41 swing synchronously and move away from each other, thereby releasing the bottle body, and the conveying gear 22 rotates in the opposite direction, thereby driving the conveying rack 21 to move in the opposite direction, and the conveying seat 1 moves synchronously with the conveying rack 21;

[0052] S7. Repeat steps S1 to S6 until the bottle conveying is completed.

[0053] In the conveying method, before the conveying seat 1 conveys, the clamping mechanism 4 first clamps the bottle body, and the protective mechanism 3 is then separated from the bottle body, which can ensure that the conveying process is smooth and will not be interfered by the protective mechanism 3. After the bottle body is conveyed to the process position, the bottom plate 31 of the protective mechanism 3 rises to support the bottle body, and the guardrail 32 moves to the side of the bottom plate 31 to protect the bottle, which can ensure that the bottle body is accurately positioned during the process. After the protective mechanism 3 protects the bottle, the clamping mechanism 4 releases the bottle body and the conveying seat 1 is reset. During the entire conveying process, the bottle body is either clamped by the clamping mechanism 4 or protected by the protective mechanism 3. The reliability is good and it can be applicable to bottles of various types and specifications; the movement process of the guardrail 32 is well synchronized with the lifting process of the bottom plate 31.

[0054] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the technical content disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A clamping and conveying device, characterized in that: The invention comprises a conveying seat (1), a conveying driving mechanism (2) for driving the conveying seat (1) to move back and forth, and a protective mechanism (3) arranged on one side of the conveying seat (1); the conveying seat (1) is provided with a clamping mechanism (4); the protective mechanism (3) comprises a bottom plate (31) and guardrails (32) arranged on both sides of the bottom plate (31); the guardrail (32) away from the conveying seat (1) is connected to a moving component (33) to approach or move away from the bottom plate (31); the guardrail (32) close to the conveying seat (1) is connected to the bottom plate (31); a linkage component (34) is arranged between the moving component (33) and the bottom plate (31) so that the bottom plate (31) can be raised or lowered with the movement of the moving component (33).

2. The clamping and conveying device according to claim 1, characterized in that: The linkage assembly (34) comprises a lifting rod (341), a connecting rod (342) and a guide seat (343) arranged on the outer periphery of the lifting rod (341); the upper end of the lifting rod (341) is connected to the bottom plate (31); the lower end of the lifting rod (341) is hinged to one end of the connecting rod (342); and the other end of the connecting rod (342) is hinged to the moving component (33).

3. The clamping and conveying device according to claim 2, characterized in that: The moving component (33) is arranged on an eccentric rotating shaft (36).

4. The clamping and conveying device according to claim 1, characterized in that: A positioning groove (35) is provided on the inner side of the guardrail (32) connected to the moving component (33).

5. The clamping and conveying device according to any one of claims 1 to 4, characterized in that: The clamping mechanism (4) is provided with a plurality of clamping mechanisms (4) which are evenly arranged along the length direction of the conveying seat (1). The clamping mechanism (4) comprises two swing shafts (41) arranged in parallel and clamping claws (42) arranged on the two swing shafts (41). One of the swing shafts (41) is provided with a driving gear (43), and the other swing shaft (41) is provided with a driven gear (44) meshing with the driving gear (43). The conveying seat (1) is provided with a clamping rack (54), and each of the driving gears (43) is meshed with the clamping rack (54).

6. The clamping and conveying device according to claim 5, characterized in that: A transition rack (51) is provided on the side of the clamping rack (54) away from the driving gear (43), and an escape portion (11) for the reciprocating movement of the transition rack (51) is provided on the conveying seat (1), and the transition rack (51) is equipped with a clamping gear (52).

7. The clamping and conveying device according to claim 6, characterized in that: The conveying drive mechanism (2) comprises a conveying rack (21) arranged on the conveying seat (1) and a conveying gear (22) meshing with the conveying rack (21).

8. The clamping and conveying device according to claim 7, characterized in that: The clamping gear (52) is arranged on a clamping rotating shaft (53), the conveying gear (22) is arranged on a conveying rotating shaft (23), and the conveying rotating shaft (23) is sleeved on the outer circumference of the clamping rotating shaft (53); or, the clamping rotating shaft (53) is sleeved on the outer circumference of the conveying rotating shaft (23).

9. The clamping and conveying device according to claim 5, characterized in that: The conveying seat (1) is provided with a conveying slide block (72) and a clamping guide rail (73); the conveying slide block (72) is arranged on a conveying guide rail (71); the clamping guide rail (73) is provided with a clamping slide rail (74); and the clamping rack (54) is arranged on the clamping slide rail (74).

10. A conveying method of the clamping conveying device according to any one of claims 1 to 9, characterized in that: The following steps are included: S1, bottle loading: the bottom plate (31) is at a high position, the guardrail (32) connected to the moving part (33) is at a position close to the bottom plate (31), the conveying material (6) is transferred to the bottom plate (31), and the guardrail (32) protects the conveying material (6); S2, a clamping mechanism (4) clamps and conveys the material (6); S3, the protection mechanism (3) releases the conveying material (6): the moving component (33) drives the guardrail (32) connected to the moving component (33) away from the bottom plate (31), and at the same time the bottom plate (31) and the guardrail (32) connected to the bottom plate (31) are lowered to a low position and separated from the conveying material (6); S4, the conveying seat (1) drives the clamping mechanism (4) to move until the conveyed material (6) reaches the target position; S5, protection mechanism (3) bottle protection: the moving component (33) drives the guardrail (32) connected to the moving component (33) to approach the bottom plate (31) to protect the conveyed material (6), and at the same time, the bottom plate (31) and the guardrail (32) connected to the bottom plate (31) rise to a high position to support the conveyed material (6); S6, the clamping mechanism (4) releases the conveying material (6), and the conveying seat (1) is reset; S7. Repeat steps S1 to S6 until the conveying of the conveyed material (6) is completed.

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