CN114104417A - Clamping conveying device and conveying method thereof - Google Patents

Abstract

The invention discloses a clamping and conveying device which comprises a conveying seat, a conveying driving mechanism and a protection mechanism, wherein the conveying driving mechanism is used for driving the conveying seat to reciprocate, the protection mechanism is arranged on one side of the conveying seat, the clamping mechanism is arranged on the conveying seat and comprises a bottom plate and guardrails arranged on two sides of the bottom plate, the guardrail far away from the conveying seat is connected with a moving part, the guardrail close to the conveying seat is connected with the bottom plate, and a linkage assembly is arranged between the moving part and the bottom plate so that the bottom plate can lift along with the movement of the moving part. The conveying method comprises the following steps of S1: the bottom plate is in a high position, and the guardrail connected with the moving part is positioned close to the bottom plate; s2, clamping the bottle body by a clamping mechanism; s3, releasing the protection mechanism; s4, the conveying seat drives the clamping mechanism to move to a target position; s5, the protection mechanism protects the conveyed materials: the moving part drives the guardrail connected with the moving part to be close to the bottom plate, and simultaneously the bottom plate and the guardrail connected with the bottom plate are lifted to a high position to support and convey materials.

Description

Clamping conveying device and conveying method thereof

Technical Field

The invention relates to a food and medicine packaging machine and a using method thereof, in particular to a clamping and conveying device and a conveying method thereof.

Background

In the process of filling and producing the medicine, the bottle body needs to be conveyed to filling, plugging and other stations to complete the filling and plugging processes. At present, most bottle conveying structures use a synchronous belt as a conveying carrier, the synchronous belt is mature and reliable in technology, but certain defects exist: 1) the conveying of some special-shaped containers cannot be carried out; 2. for the bottles with different shapes, different molds need to be matched, so that the number of spare molds is large, and the cost is increased; 3. the bottle body can not be positioned and protected at the filling, plugging and other stations.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a clamping and conveying device which has wide application range and convenient specification adjustment and can protect bottles when bottles are filled and plugged.

The invention further provides a conveying method of the clamping and conveying device.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a centre gripping conveyor, includes the transport seat, is used for driving transport seat reciprocating motion's transport actuating mechanism and locates the protection machanism of transport seat one side, be equipped with fixture on the transport seat, protection machanism includes the bottom plate and locates the guardrail of bottom plate both sides, keeps away from the guardrail of transport seat is connected with the moving part in order to be close to or keep away from the bottom plate is close to the guardrail of transport seat with the bottom plate is connected, the moving part with be equipped with the linkage subassembly between the bottom plate so that the bottom plate goes up and down along with the removal of moving part.

As a further improvement of the above technical solution: the linkage assembly comprises a lifting rod, a connecting rod and a guide seat arranged on the periphery of the lifting rod, the upper end of the lifting rod is connected with the bottom 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.

As a further improvement of the above technical solution: the moving part is arranged on an eccentric rotating shaft.

As a further improvement of the above technical solution: and a positioning groove is arranged on the inner side of the guardrail connected with the moving part.

As a further improvement of the above technical solution: the clamping mechanism is provided with a plurality of swinging shafts which are arranged in parallel and are uniformly arranged along the length direction of the conveying seat, the clamping mechanism comprises clamping jaws which are arranged on the two swinging shafts, one swinging shaft is provided with a driving gear, the other swinging shaft is provided with a driven gear meshed with the driving gear, the conveying seat is provided with a clamping rack, and the driving gears are all meshed with the clamping rack.

As a further improvement of the above technical solution: one side of the clamping rack, which is far away from the driving gear, is provided with a transition rack, the conveying seat is provided with an avoiding part for the transition rack to reciprocate, and the transition rack is provided with a clamping gear in a matching mode.

As a further improvement of the above technical solution: the conveying driving mechanism comprises a conveying rack arranged on the conveying seat and a conveying gear meshed with the conveying rack.

As a further improvement of the above technical solution: the clamping gear is arranged on a clamping rotating shaft, the conveying gear is arranged on a conveying rotating shaft, and the conveying rotating shaft is sleeved on the periphery of the clamping rotating shaft; or the clamping rotating shaft is sleeved on the periphery of the conveying rotating shaft.

As a further improvement of the above technical solution: the conveying seat is provided with a conveying sliding block and a clamping guide rail, the conveying sliding block is arranged on one 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.

The conveying method of the clamping and conveying device comprises the following steps,

s1, bottle feeding: the bottom plate is in a high position, the guardrail connected with the moving part is in a position close to the bottom plate, the conveyed materials are conveyed to the bottom plate, and the guardrail protects the conveyed materials;

s2, clamping the conveyed material by a clamping mechanism;

s3, releasing the conveying material by the protection mechanism: the moving part drives the guardrail connected with the moving part to be far away from the bottom plate, and meanwhile, the bottom plate and the guardrail connected with the bottom plate are lowered to be at a low position to be separated from the conveyed materials;

s4, the conveying seat drives the clamping mechanism to move until the conveyed material reaches the target position;

s5, protecting the bottle by a protection mechanism: the moving part drives the guardrail connected with the moving part to be close to the bottom plate to protect the conveyed materials, and meanwhile, the bottom plate and the guardrail connected with the bottom plate are lifted to a high position to support the conveyed materials;

s6, releasing the clamping mechanism to convey the material, and resetting the conveying seat;

and S7, repeating the steps S1 to S6 until the conveying of the conveying materials is completed.

Compared with the prior art, the invention has the advantages that: the invention discloses a clamping and conveying device, wherein a conveying seat utilizes a clamping mechanism to clamp and convey materials, when the conveying seat conveys the materials, a guardrail far away from the conveying seat in a protective mechanism translates and is separated from the conveyed materials, the guardrail close to the conveying seat descends together with a bottom plate and is separated from the conveyed materials, therefore, the protective mechanism does not interfere with the conveying of the conveyed materials, when the conveyed materials are conveyed to process positions such as filling, plugging and the like, the guardrail far away from the conveying seat approaches the conveyed materials, the guardrail close to the conveying seat ascends together with the bottom plate, the bottom plate can effectively protect the guardrails at two sides in a matching way, at the moment, the clamping mechanism releases the conveyed materials, the conveying seat resets to realize circular conveying, the reliability is good, the device can be suitable for the conveyed materials with various types and specifications, particularly the conveyed materials with complicated appearance, and only the guardrail and the clamping mechanism need to be replaced when the specifications are adjusted, the operation is convenient; the bottom plate is driven to lift through the linkage assembly during reciprocating movement of the guardrail, the number of driving parts can be reduced, the structure is simplified, and meanwhile the consistency of the movement of the guardrail and the bottom plate is ensured.

According to the conveying method disclosed by the invention, before the conveying seat conveys, the clamping mechanism firstly clamps the conveyed materials, the protection mechanism is separated from the conveyed materials, the smooth conveying process can be ensured, the interference of the protection mechanism can be avoided, after the conveyed materials are conveyed to a process position, the bottom plate of the protection mechanism ascends to support the conveyed materials, the guardrail moves to the side edge of the bottom plate to be protected, the accurate positioning of the conveyed materials in the process can be ensured, after the conveyed materials are protected by the protection mechanism, the clamping mechanism releases the conveyed materials, the conveying seat resets, the conveyed materials in the whole conveying process are clamped by the clamping mechanism or protected by the protection mechanism, the reliability is good, and the conveying method is suitable for the conveyed materials of various types and specifications; the moving process of the guardrail and the lifting process of the bottom plate are good in synchronism.

Drawings

Fig. 1 is a schematic perspective view of the clamping and conveying device of the present invention.

Fig. 2 is a perspective view of the protection mechanism of the present invention.

Fig. 3 is a schematic sectional view of the guard mechanism of the present invention.

Fig. 4 is a perspective view of a first viewing angle of the clamping mechanism of the present invention.

Fig. 5 is a perspective view of the clamping mechanism of the present invention from a second perspective.

Fig. 6 is a schematic perspective view of the conveyance drive mechanism in the present invention.

The reference numerals in the figures denote: 1. a conveying seat; 11. an avoidance part; 2. a conveying drive mechanism; 21. a conveyor rack; 22. a conveying gear; 23. a conveying rotating shaft; 3. a protection mechanism; 31. a base plate; 32. a guardrail; 33. a moving member; 34. a linkage assembly; 341. a lifting rod; 342. a connecting rod; 343. a guide seat; 35. positioning a groove; 36. an eccentric rotating shaft; 4. a clamping mechanism; 41. a swing shaft; 42. a clamping jaw; 43. a driving gear; 44. a driven gear; 51. a transition rack; 52. clamping the gear; 53. clamping the rotating shaft; 54. clamping the rack; 6. conveying the materials; 71. a conveying guide rail; 72. a conveying slide block; 73. clamping the guide rail; 74. clamping the slide rail.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples of the specification.

Example one

Fig. 1 to 6 show an embodiment of a clamping and conveying device of the present invention, wherein a conveyed material 6 is a bottle for packaging various medicines, the clamping and conveying device of this embodiment includes a conveying base 1, a conveying driving mechanism 2 for driving the conveying base 1 to reciprocate, and a protection mechanism 3 disposed on one side of the conveying base 1, a clamping mechanism 4 is disposed on the conveying base 1, the protection mechanism 3 includes a bottom plate 31 and guard rails 32 disposed on two sides of the bottom plate 31, the guard rails 32 far away from the conveying base 1 are connected with a moving part 33 to be close to or far away from the bottom plate 31, the guard rails 32 close to the conveying base 1 are connected with the bottom plate 31, and a linkage assembly 34 is disposed between the moving part 33 and the bottom plate 31 to enable the bottom plate 31 to be lifted along with the movement of the moving part 33.

The clamping and conveying device has the advantages that the conveying seat 1 utilizes the clamping mechanism 4 to clamp a bottle body for conveying, when the conveying seat 1 is conveyed, the guardrail 32 far away from the conveying seat 1 in the protective mechanism 3 is translated and separated from the bottle body, the guardrail 32 close to the conveying seat 1 descends together with the bottom plate 31 and is separated from the bottle body, therefore, the protective mechanism 3 can not interfere with the conveying of the bottle body, when the bottle body is conveyed to the process positions of filling, plugging and the like, the guardrail 32 far away from the conveying seat 1 is close to the bottle body, the guardrail 32 close to the conveying seat 1 ascends together with the bottom plate 31, the bottom plate 31 is matched with the guardrails 32 at two sides to effectively protect the bottle, at the moment, the clamping mechanism 4 releases the bottle body, the conveying seat is reset 1, the circular conveying is realized, the reliability is good, the device can be suitable for various types and specifications of bottle bodies, especially bottle bodies with complex shapes, and the specification can be adjusted only by replacing the guardrail 32 with the positioning groove 35 and the clamping mechanism 4, the operation is convenient; when the guardrail 32 reciprocates, the linkage assembly 34 drives the bottom plate 31 to lift, so that the number of driving parts can be reduced, the structure is simplified, the cost is saved, and meanwhile, the motion consistency of the guardrail 32 and the bottom plate 31 is ensured.

Further, in this embodiment, the linkage assembly 34 includes a lifting rod 341, a connecting rod 342, and a guide seat 343 disposed 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 member 33. When the moving part 33 moves, the connecting rod 342 is driven to move, the connecting rod 342 further drives the lifting rod 341 to move, and the lifting rod 341 only moves in a lifting manner under the guiding and restraining of the guiding seat 343, so that the precision of the lifting movement is ensured, and the lifting mechanism is simple and reliable in structure and smooth in movement. Referring to fig. 3 in particular, when the moving member 33 moves rightwards, the lifting rod 341, the base plate 31 and the guard rail 32 connected to the base plate 31 descend under the action of the connecting rod 342 and the guide seat 343; on the other hand, when the moving member 33 moves leftward, the elevating rod 341, the base plate 31, and the guard rail 32 connected to the base plate 31 rise.

Furthermore, in the embodiment, the moving component 33 is disposed on an eccentric rotating shaft 36, that is, the eccentric rotating shaft 36 is used as a driving force to convert the rotation motion into the left and right movement of the moving component 33, so that the structure is simple and the reliability is good. The eccentric rotating shaft 36 can fully utilize the vertical space, reduce the occupied plant area and prevent the bottle bodies above from being polluted easily. Of course, in other embodiments, the moving member 33 may be driven to reciprocate by an air cylinder, a screw nut pair, or the like, but the above-described advantage of the eccentric rotating shaft 36 is not obtained.

In a preferred embodiment, a positioning groove 35 is provided inside the guard rail 32 connected to the moving member 33. The positioning groove 35 is provided to better protect the bottle and prevent the bottle body from moving relative to the guardrail 32. Referring to fig. 3, the positioning groove 35 is disposed on the guardrail 32 connected to the moving member 33, and when the guardrail 32 moves to the right side, the bottle body is separated from the positioning groove 35, which does not affect the subsequent bottle conveying of the conveying base 1.

As a preferred embodiment, the clamping mechanism 4 is provided with a plurality of bottles which are uniformly arranged along the length direction of the conveying seat 1, that is, a plurality of bottles can be conveyed at the same time at equal intervals, the clamping mechanism 4 comprises two swing shafts 41 which are arranged in parallel and clamping jaws 42 which are arranged on the two swing shafts 41, wherein a driving gear 43 is arranged on one swing shaft 41, a driven gear 44 which is meshed with the driving gear 43 is arranged on the other swing shaft 41, a clamping rack 54 is arranged on the conveying seat 1, and each driving gear 43 is meshed with the clamping rack 54. Referring to fig. 5 specifically, when the clamping rack 54 moves, the driving gears 43 can be driven to rotate synchronously, the swing shaft 41 provided with the driving gears 43 rotates synchronously, the swing shaft 41 rotates to drive the clamping jaws 42 thereon to swing, meanwhile, the driving gears 43 can drive the driven gears 44 engaged therewith to rotate, the swing shaft 41 provided with the driven gears 44 rotates synchronously, the swing shaft 41 rotates to drive the clamping jaws 42 thereon to swing, along with the reciprocating movement of the clamping rack 54, the two clamping jaws 42 in the clamping mechanism 4 swing synchronously, the bottle body can be clamped when the two clamping jaws approach each other, and the bottle body is released when the two clamping jaws are away from each other. The bottle body is clamped by the two clamping jaws 42, so that the bottle body does not need to be replaced within a certain size range.

Further, in the present embodiment, a transition rack 51 is provided on a side of the clamping rack 54 away from the pinion gear 43, the escape portion 11 for reciprocating the transition rack 51 is provided on the transport base 1, and the clamping gear 52 is disposed on the transition rack 51. When the clamping mechanism 4 needs to act, the clamping gear 52 rotates to drive the transition rack 51 to reciprocate, and the clamping rack 54 synchronously reciprocates along with the transition rack 51, so that the structure is compact, and the reliability is high.

Further, in the present embodiment, the conveying driving mechanism 2 includes a conveying rack 21 provided on the conveying base 1 and a conveying gear 22 engaged with the conveying rack 21. When the conveying device needs to convey, the conveying gear 22 rotates to further drive the conveying rack 21 to reciprocate, and the conveying seat 1 synchronously reciprocates along with the conveying rack 21, so that the structure is compact, the occupied plant area is small, and the conveying is reliable.

Furthermore, in the present embodiment, the clamping gear 52 is disposed on a clamping rotating shaft 53, the conveying gear 22 is disposed on a conveying rotating shaft 23, and the conveying rotating shaft 23 is sleeved on the periphery of the clamping rotating shaft 53, so that the structure is simple and compact, and the layout of the device is saved. Of course, in other embodiments, the clamping shaft 53 may be sleeved on the outer circumference of the conveying shaft 23.

In a preferred embodiment, the conveying base 1 is provided with a conveying slider 72 and a clamping rail 73, the conveying slider 72 is disposed on a conveying rail 71, the clamping rail 73 is provided with a clamping slide rail 74, and the clamping rack 54 is disposed on the clamping slide rail 74. The conveying sliding block 72 is matched with the conveying guide rail 71, so that a guiding effect can be provided for the movement of the conveying seat 1, the smooth movement of the conveying seat 1 is ensured, and the high movement precision is achieved; the clamping guide rail 73 is matched with the clamping slide rail 74, so that a guiding function can be provided for the movement of the clamping rack 54, the smooth movement of the clamping rack 54 is ensured, and the high movement precision is achieved.

Example two

The conveying method of the clamping and conveying device comprises the following steps,

s1, bottle feeding: the bottom plate 31 is in a high position, the guardrail 32 connected with the moving part 33 is in a position close to the bottom plate 31, the bottle bodies are conveyed onto the bottom plate 31, the guardrail 32 protects the bottle, and preferably, the bottle bodies can be fed into the positioning groove 35 by a mechanical arm;

s2, the bottle body is clamped by the clamping mechanism 4, specifically, the clamping gear 52 rotates to drive the transition rack 51 to move, the clamping rack 54 moves synchronously with the transition rack 51 to drive the driving gears 43 to rotate synchronously, and the clamping jaws 42 on the two swinging shafts 41 swing synchronously and approach to each other to clamp the bottle body;

s3, the bottle body is released by the protection mechanism 3: the moving part 33 drives the guardrail 32 connected with the moving part 33 to be far away from the bottom plate 31, and simultaneously the bottom plate 31 and the guardrail 32 connected with the bottom plate 31 descend to a low position to be separated from the bottle body, specifically, the moving part 33 moves rightwards, 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 with the bottom plate 31 descend;

s4, the conveying base 1 drives the holding mechanism 4 to move until the bottle body reaches a target position (e.g., a filling station, a plugging station, etc.), specifically, the conveying gear 22 rotates to drive the conveying rack 21 to move, and the conveying base 1 moves synchronously with the conveying rack 21;

s5, protecting the bottle by a protection mechanism 3: the moving part 33 drives the guardrail 32 connected with the moving part 33 to be close to the bottom plate 31 to protect the bottles, and simultaneously the bottom plate 31 and the guardrail 32 connected with the bottom plate 31 are lifted to a high position to support the bottles, specifically, the moving part 33 moves leftwards, 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 with the bottom plate 31 are lifted;

s6, the bottle body is released by the clamping mechanism 4, the conveying seat 1 is reset, specifically, the clamping gear 52 rotates reversely to drive the transition rack 51 to move reversely, the clamping rack 54 moves synchronously with the transition rack 51 to drive the driving gears 43 to rotate synchronously, the clamping jaws 42 on the two swinging shafts 41 swing synchronously and are away from each other, so that the bottle body is released, the conveying gear 22 rotates reversely to drive the conveying rack 21 to move reversely, and the conveying seat 1 moves synchronously with the conveying rack 21;

s7, repeating the steps S1 to S6 until the bottle is transported completely.

According to the conveying method, before the conveying seat 1 conveys, the bottle bodies are firstly clamped by the clamping mechanism 4, the protection mechanism 3 is separated from the bottle bodies, the conveying process can be guaranteed to be smooth, interference of the protection mechanism 3 can be avoided, after the bottle bodies are conveyed to a process position, the bottom plate 31 of the protection mechanism 3 is lifted to support the bottle bodies, the guardrails 32 are moved to the side edges of the bottom plate 31 to protect the bottle bodies, the bottle bodies can be accurately positioned in the process, after the bottle bodies are protected by the protection mechanism 3, the bottle bodies are released by the clamping mechanism 4, the conveying seat 1 is reset, the bottle bodies are clamped by the clamping mechanism 4 or protected by the protection mechanism 3 in the whole conveying process, the reliability is good, and the conveying method can be suitable for bottle bodies of various types and specifications; the moving process of the guard rail 32 and the lifting process of the bottom plate 31 are good in synchronism.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims (10)

1. A centre gripping conveyor which characterized in that: including carrying seat (1), being used for driving carrying seat (1) reciprocating motion's transport actuating mechanism (2) and locating protection machanism (3) of carrying seat (1) one side, be equipped with fixture (4) on carrying seat (1), protection machanism (3) include bottom plate (31) and locate guardrail (32) of bottom plate (31) both sides, keep away from guardrail (32) of carrying seat (1) are connected with movable part (33) in order to be close to or keep away from bottom plate (31), are close to guardrail (32) of carrying seat (1) with bottom plate (31) are connected, movable part (33) with be equipped with linkage assembly (34) between bottom plate (31) so that bottom plate (31) go up and down along with the removal of movable part (33).

2. The clamp delivery apparatus of claim 1, wherein: the linkage assembly (34) comprises a lifting rod (341), a connecting rod (342) and a guide seat (343) arranged on the periphery of the lifting rod (341), the upper end of the lifting rod (341) is connected with 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 part (33).

3. The clamp delivery apparatus of claim 2, wherein: the moving part (33) is arranged on an eccentric rotating shaft (36).

4. The clamp delivery apparatus of claim 1, wherein: and a positioning groove (35) is arranged on the inner side of the guardrail (32) connected with the moving component (33).

5. The clamp delivery device of any one of claims 1 to 4, wherein: the clamping mechanism (4) is provided with a plurality of swinging shafts (41) which are arranged in parallel and clamping jaws (42) arranged on the two swinging shafts (41), the clamping mechanism (4) comprises a driving gear (43) arranged on one swinging shaft (41), a driven gear (44) meshed with the driving gear (43) is arranged on the other swinging shaft (41), a clamping rack (54) is arranged on the conveying seat (1), and the driving gear (43) is meshed with the clamping rack (54).

6. The clamp delivery apparatus of claim 5, wherein: one side of the clamping rack (54) far away from the driving gear (43) is provided with a transition rack (51), the conveying seat (1) is provided with an avoidance part (11) for the transition rack (51) to move in a reciprocating mode, and the transition rack (51) is provided with a clamping gear (52).

7. The clamp delivery apparatus of claim 6, wherein: the conveying driving mechanism (2) comprises a conveying rack (21) arranged on the conveying seat (1) and a conveying gear (22) meshed with the conveying rack (21).

8. The clamp delivery apparatus of claim 7, wherein: 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 periphery of the clamping rotating shaft (53); or the clamping rotating shaft (53) is sleeved on the periphery of the conveying rotating shaft (23).

9. The clamp delivery apparatus of claim 5, wherein: the conveying device is characterized in that a conveying sliding block (72) and a clamping guide rail (73) are arranged on the conveying base (1), the conveying sliding block (72) is arranged on one conveying guide rail (71), a clamping sliding rail (74) is arranged on the clamping guide rail (73), and the clamping rack (54) is arranged on the clamping sliding rail (74).

10. A method of transporting a gripper conveyor according to any one of claims 1 to 9, characterized in that: comprises the following steps of (a) carrying out,

s1, bottle feeding: the bottom plate (31) is in a high position, the guardrail (32) connected with the moving part (33) is in a position close to the bottom plate (31), the conveyed materials (6) are conveyed onto the bottom plate (31), and the guardrail (32) protects the conveyed materials (6);

s2, clamping the conveying material (6) by the clamping mechanism (4);

s3, releasing the conveying material (6) by the protection mechanism (3): the moving part (33) drives the guardrail (32) connected with the moving part (33) to be far away from the bottom plate (31), and meanwhile, the bottom plate (31) and the guardrail (32) connected with the bottom plate (31) descend to a low position to be separated from the conveyed materials (6);

s4, the conveying seat (1) drives the clamping mechanism (4) to move until the conveyed material (6) reaches a target position;

s5, protecting the bottle by a protection mechanism (3): the moving part (33) drives the guardrail (32) connected with the moving part (33) to be close to the bottom plate (31) to protect the conveyed materials (6), and meanwhile, the bottom plate (31) and the guardrail (32) connected with the bottom plate (31) rise to a high position to support the conveyed materials (6);

s6, releasing the clamping mechanism (4) to convey the material (6), and resetting the conveying seat (1);

and S7, repeating the steps S1 to S6 until the conveying of the conveying material (6) is completed.

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