CN216996584U

CN216996584U - Full-automatic pile up neatly vanning equipment

Info

Publication number: CN216996584U
Application number: CN202122255591.5U
Authority: CN
Inventors: 董善林
Original assignee: Anhui Longchen Intelligent Technology Co ltd
Current assignee: Anhui Longchen Intelligent Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-07-19
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses full-automatic stacking and boxing equipment, which comprises an outer frame, wherein a support is arranged on the inner side of the outer frame, the top of the support penetrates through a first chute in the top of the outer frame, the side surface of the support is connected with the output end of a first air cylinder, and the first air cylinder is clamped on the surface of the inner side wall of the outer frame; the support is internally provided with a second cylinder, the output end of the bottom of the second cylinder is connected with a pressing block, the bottom of the pressing block is connected with a pressing frame, and the bottom of the pressing frame is connected with an adsorption device in a clamping mode. According to the utility model, under the control of the second cylinder, the pressing block clamps two side surfaces of the clamping piece by using the clamping device, the pressing block adsorbs and limits the top surface of the clamping piece by using the adsorption device, so that the clamping piece is stably limited at the inner side of the bottom of the bracket, the first cylinder realizes the material taking and material placing treatment of the clamping piece by using the clamping device and the adsorption device, the stacking and boxing rapidness and the working efficiency of the clamping piece are improved, and the labor cost is reduced.

Description

Full-automatic pile up neatly vanning equipment

Technical Field

The utility model belongs to the technical field of workpiece stacking, and particularly relates to full-automatic stacking and boxing equipment.

Background

The stacking and boxing equipment is used to semi-automatically or automatically load unpacked workpieces or small packed products into transport packing boxes or containers, and has the working principle that the workpieces are stacked and loaded into the boxes quantitatively in a certain arrangement mode, and boxes filled with the workpieces are stacked together.

In the production and processing process of the current workpieces, the workpieces are often required to be transported to the next process from the previous process through a turnover box, a container and the like, in a production workshop, the workpieces are mostly manually taken down from a pressing platform of a pressing machine for quality inspection, and then the workpieces qualified in quality inspection are transported and stacked in the turnover box. On one hand, manpower and material resources are consumed, and the cost required by transferring, stacking and boxing of workpieces is increased; on the other hand, manual carrying and stacking are low in efficiency, and the requirements of a workpiece production and boxing assembly line cannot be met.

Therefore, it is necessary to provide a fully automatic palletizing and boxing apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a fully automatic palletizing and boxing apparatus, so as to solve the problems proposed in the above background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the full-automatic stacking and boxing equipment comprises an outer frame, wherein a support is arranged on the inner side of the outer frame, the top of the support penetrates through a first sliding groove in the top of the outer frame, the side surface of the support is connected with the output end of a first air cylinder, and the first air cylinder is clamped on the surface of the inner side wall of the outer frame;

the inside second cylinder that is provided with of support, the briquetting is connected to second cylinder bottom output, the briquetting bottom is connected with the pressure frame, pressure frame bottom joint adsorption equipment, the adsorption equipment bottom corresponds the matching with the holder, the briquetting both ends are connected with clamping device, clamping device corresponds the matching with holder both sides face, and the holder places at the conveyer belt top, conveyer belt one side is provided with the conveyer belt, and the conveyer belt top surface is higher than the conveyer belt top surface.

Furthermore, adsorption equipment includes the restriction frame, press a bottom to run through restriction frame top, and press a bottom fixedly connected with absorption pole top of frame, absorb the pole bottom and run through restriction frame bottom surface, press the frame through absorption pole and restriction frame swing joint, the inside level that sets up of restriction frame is provided with the baffle, the absorption pole runs through the baffle.

Further, the inside absorption chamber that is provided with in absorption pole bottom, absorption intracavity portion is provided with the piston, piston top surface fixedly connected with communicating pipe, the surface of communicating pipe is provided with a plurality of hole grooves, and the top of communicating pipe runs through the absorption chamber top.

Furthermore, the top of the adsorption rod is provided with a limiting groove, the top end of the communicating pipe is located inside the limiting groove, the top end of the communicating pipe is fixedly connected with a limiting rod, two ends of the limiting rod are fixedly connected with the baffle, and the limiting rod is connected with the adsorption rod in a sliding mode through the communicating pipe.

Further, clamping device includes two frame plates, and two frame plate tops all cup joint on the support surface, and two frame plates are in the briquetting both sides respectively, briquetting both ends tip all articulates bull stick one end, the bull stick other end is articulated with the frame plate medial surface.

Furthermore, the support bottom inboard is provided with the limiting plate, the frame plate runs through the second spout of limiting plate, frame plate and second spout sliding connection, the equal fixed connection slider in frame plate both sides limit, the slider is in inside the third spout of limiting plate, and the frame plate passes through slider and third spout sliding connection.

Further, second spout and third spout intercommunication, and the cross structure is constituteed to the profile structure appearance of second spout and third spout, the central fixed connection of department of limiting frame and limiting plate, and the limiting frame top surface flushes with the limiting plate top surface.

The utility model has the technical effects and advantages that:

1. according to the utility model, under the control of the second cylinder, the pressing block clamps two side surfaces of the clamping piece by using the clamping device, the pressing block adsorbs and limits the top surface of the clamping piece by using the adsorption device, so that the clamping piece is stably limited at the inner side of the bottom of the bracket, the first cylinder realizes the material taking and material placing treatment of the clamping piece by using the clamping device and the adsorption device, the stacking and boxing rapidness and the working efficiency of the clamping piece are improved, and the labor cost is reduced.

2. According to the utility model, the two frame plates are close to each other in the rotating process of the rotating rod, the stability of the sliding of the bottoms of the frame plates is ensured by using the second sliding groove and the third sliding groove, the stability of the sliding of the tops of the frame plates is ensured by using the support, the frame plates are always in a vertical state in the moving process, the situation that the frame plates are deviated in the clamping process of the clamping members is avoided, and the clamping stability of the two frame plates to the clamping members is enhanced; the pressure frame drives the in-process that the absorption pole moved down for absorption pole bottom and holder top contact, the absorption pole extrudees the holder under the power that the pressure frame pushed down, the holder warp under the effect of pressure, the piston makes up into the needle tubing structure with adsorbing the chamber this moment, thereby utilizes the inside pressure differential that produces of needle tubing structure and frame to adsorb the holder top surface, guarantees the adsorption effect at holder top.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 shows an overall sectional structure schematic diagram of a fully-automatic palletizing and boxing device in an embodiment of the utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 shows an enlarged view of the portion B of FIG. 1 according to an embodiment of the present invention;

fig. 4 shows a schematic view of the inner side of the shelf plate according to an embodiment of the utility model;

in the figure: 1. an outer frame; 2. a support; 3. a first chute; 4. a first cylinder; 5. a second cylinder; 6. briquetting; 7. pressing a frame; 8. a clamping member; 9. a conveyor belt; 10. a conveyor belt; 11. defining a frame; 12. an adsorption rod; 13. a baffle plate; 14. an adsorption chamber; 15. a piston; 16. a communicating pipe; 17. a hole groove; 18. defining a slot; 19. a restraining bar; 20. a frame plate; 21. a rotating rod; 22. a limiting plate; 23. a second chute; 24. a slider; 25. and a third chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides full-automatic stacking and boxing equipment, which comprises an outer frame 1, wherein a support 2 is arranged on the inner side of the outer frame 1, the top of the support 2 penetrates through a first chute 3 in the top of the outer frame 1, the side surface of the support 2 is connected with an output end of a first air cylinder 4, and the first air cylinder 4 is clamped on the surface of the inner side wall of the outer frame 1; the inside second cylinder 5 that is provided with of

support

2, 5 bottom outputs of second cylinder connect briquetting 6, 6 bottoms of briquetting are connected with and press frame 7, press 7 bottom joint adsorption equipment of frame, the adsorption equipment bottom corresponds with holder 8 and matches, 6 both ends of briquetting are connected with clamping device, clamping device corresponds with 8 both sides face of holder and matches, and holder 8 places at conveyer belt 9 top, 9 one sides of conveyer belt are provided with

conveyer belt

10, and 9 top surfaces of conveyer belt are higher than 10 top surfaces of conveyer belt. Illustratively, the holder 8 is configured as a soft article, and the holder 8 may be configured as a package. Briquetting 6 utilizes clamping device to carry out the centre gripping to 8 both sides faces of holder, and briquetting 6 utilizes adsorption equipment to adsorb 8 top surfaces of holder and prescribes a limit to guarantee that holder 8 is stable prescribes a limit to 2 bottoms inboardly.

As shown in fig. 1 and 2, the adsorption device includes a limiting frame 11, the bottom end of the pressing frame 7 penetrates through the top of the limiting frame 11, the bottom surface of the pressing frame 7 is fixedly connected with the top end of an adsorption rod 12, the bottom end of the adsorption rod 12 penetrates through the bottom surface of the limiting frame 11, the pressing frame 7 is movably connected with the limiting frame 11 through the adsorption rod 12, a baffle 13 is horizontally arranged inside the limiting frame 11, and the adsorption rod 12 penetrates through the baffle 13. The baffle 13 limits the position of the communication pipe 16 through the limiting rod 19, ensures that the communication pipe 16 and the piston 15 are in a limiting state, and facilitates the stable movement of the adsorption rod 12 in the limiting frame 11.

As shown in fig. 1 and 2, an adsorption chamber 14 is arranged inside the bottom of the adsorption rod 12, a piston 15 is arranged inside the adsorption chamber 14, a communication pipe 16 is fixedly connected to the top surface of the piston 15, a plurality of holes 17 are formed in the surface of the communication pipe 16, and the top end of the communication pipe 16 penetrates through the top of the adsorption chamber 14. The top of the adsorption rod 12 is provided with a limiting groove 18, the top end of the communication pipe 16 is positioned in the limiting groove 18, the top end of the communication pipe 16 is fixedly connected with a limiting rod 19, two ends of the limiting rod 19 are fixedly connected with the baffle 13, and the limiting rod 19 is connected with the adsorption rod 12 in a sliding mode through the communication pipe 16. The in-process that the pressure frame 7 drove absorption pole 12 and move down for absorption pole 12 bottom and the contact of 8 tops of holder, absorption pole 12 extrudees holder 8 under the power that the pressure frame 7 pushed down, holder 8 warp under the effect of pressure, piston 15 makes up into the needle tubing structure with absorption chamber 14 this moment, thereby utilizes the pressure differential of the inside production of needle tubing structure and frame 1 to adsorb the 8 top surfaces of holder, guarantees the adsorption effect at 8 tops of holder. Briquetting 6 drives adsorption rod 12 and shifts up, and the inside air of limiting frame 11 at baffle 13 top passes through communicating pipe 16 and inside the absorption chamber 14 at piston 15 top of entering through hole groove 17 for the absorption chamber 14 at piston 15 top is inside the same with external atmospheric pressure all the time, avoids the external thrust of exerting down at adsorption rod 12 top. The adsorption rod 12 moves upwards, the opposite piston 15 moves downwards in the adsorption cavity 14, at this time, the pressure difference generated between the needle tube structure and the inner part of the outer frame 1 is gradually reduced, the adsorption force between the adsorption cavity 14 and the clamping piece 8 is gradually reduced until no adsorption force exists between the adsorption cavity 14 and the clamping piece 8, and at this time, the clamping piece 8 is separated from the frame plate 20 and the adsorption rod 12. Utilize adsorption equipment to guarantee the stability at holder 8 top to further increase the stable effect of holder 8 between two frame plates 20, avoid the condition that the in-process that holder 8 removed appears breaking away from in the centre gripping.

In fig. 1, the clamping device includes two frame plates 20, the top ends of the two frame plates 20 are all sleeved on the surface of the support 2, the two frame plates 20 are respectively located on two sides of the pressing block 6, the end portions of two ends of the pressing block 6 are all hinged to one end of the rotating rod 21, and the other end of the rotating rod 21 is hinged to the inner side face of the frame plate 20. When the press block 6 moves downwards, the rotating rod 21 is driven to rotate, the inner side end of the rotating rod 21 moves downwards, the outer side end of the rotating rod 21 drives the frame plates 20 to slide on the surface of the support 2, and the two frame plates 20 are close to each other in the moving process; the press block 6 moves upwards to enable the inner side end of the rotating rod 21 to move upwards, the rotating rod 21 gradually rotates from an inclined state to a horizontal state under the power of the press block 6, the two frame plates 20 are gradually far away by utilizing the rotation of the rotating rod 21, and the bottom ends of the two frame plates 20 are separated from the two side faces of the clamping piece 8 at the moment. Exemplarily, the removal of the activity of briquetting 6 utilization bull stick 21 control frame board 20 can set up the bull stick 21 as the telescopic link, can adjust the length of bull stick 21 at any time, can suitably adjust the distance between two frame boards 20 according to the width of holder 8, increases clamping device to the adaptation effect of different width holders 8.

As shown in fig. 3 and 4, a limiting plate 22 is arranged on the inner side of the bottom end of the support 2, the frame plate 20 penetrates through a second sliding groove 23 of the limiting plate 22, the frame plate 20 is connected with the second sliding groove 23 in a sliding manner, sliding blocks 24 are fixedly connected to two side edges of the frame plate 20, the sliding blocks 24 are located inside a third sliding groove 25 of the limiting plate 22, and the frame plate 20 is connected with the third sliding groove 25 in a sliding manner through the sliding blocks 24. Second spout 23 and third spout 25 intercommunication, and the cross structure is constituteed to the section structure appearance of second spout 23 and third spout 25 and becomes cruciform structure, the center department fixed connection of limiting frame 11 and limiting plate 22, and the limiting frame 11 top surface flushes with limiting plate 22 top surface. When frame plate 20 removed, frame plate 20 was inside to slide at second spout 23, frame plate 20 passes through slider 24 and slides in third spout 25 is inside, utilize second spout 23 and third spout 25 to guarantee the gliding stability in frame plate 20 bottom, and support 2 guarantees the gliding stability in frame plate 20 top, guarantee that frame plate 20 is in vertical state all the time at the removal in-process, avoid frame plate 20 to carry out the situation that the skew appears in the in-process of centre gripping to holder 8, two frame plate 20 stability to holder 8 centre gripping have been strengthened, avoid holder 8 the situation that drops to appear in the in-process of centre gripping.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 in the specification, when the clamping piece 8 needs to be stacked, the conveyor belt 9 is started first, meanwhile, the placing box is placed at the top of the conveyor belt 10, the clamping piece 8 is placed at the top of the conveyor belt 9, the conveyor belt 9 drives the clamping piece 8 to move, when the clamping piece 8 moves to the bottom of the limiting frame 11, the second air cylinder 5 is started, the second air cylinder 5 works to enable the pressing block 6 to move downwards on the inner side of the bottom of the support 2, in addition, the pressing block 6 drives the two frame plates 20 to move through the rotating rod 21 in the downward moving process, and meanwhile, the pressing block 6 enables the pressing frame 7 to move downwards inside the limiting frame 11.

When the press block 6 moves downwards, the rotating rod 21 is driven to rotate, the inner side end of the rotating rod 21 moves downwards, the outer side end of the rotating rod 21 drives the frame plates 20 to slide on the surface of the support 2, and the two frame plates 20 are close to each other in the moving process. When frame plate 20 removed, frame plate 20 was inside to slide at second spout 23, frame plate 20 passes through slider 24 and slides in third spout 25 is inside, utilize second spout 23 and third spout 25 to guarantee the gliding stability in frame plate 20 bottom, and support 2 guarantees the gliding stability in frame plate 20 top, guarantee that frame plate 20 is in vertical state all the time at the removal in-process, avoid frame plate 20 to carry out the situation that the skew appears in the in-process of centre gripping to holder 8, two frame plate 20 stability to holder 8 centre gripping have been strengthened, avoid holder 8 the situation that drops to appear in the in-process of centre gripping.

Limiting plate 22 is used for limiting frame 11, pressing frame 7 is convenient to drive adsorption rod 12 to slide in limiting frame 11, when adsorption rod 12 moves downwards in limiting frame 11, baffle 13 limits the position of communication pipe 16 through limiting rod 19, it is guaranteed that communication pipe 16 and piston 15 are in a limiting state, at the moment, the bottom of adsorption rod 12 slides on the surface of communication pipe 16, under the relative condition, piston 15 slides to the top of adsorption cavity 14 from the bottom of adsorption cavity 14, air on the top of piston 15 enters limiting frame 11 on the top of baffle 13 through hole slot 17 and communication pipe 16, and it is guaranteed that clamping piece 8 is adsorbed by the bottom of adsorption rod 12 through relative movement of piston 15 and adsorption rod 12.

When needing to adsorb holder 8, press frame 7 to drive the in-process that adsorbs pole 12 moved down, make 12 bottoms of adsorption pole and the contact of 8 tops of holder, adsorb pole 12 and extrude holder 8 under the power that presses frame 7 pushed down, holder 8 warp under the effect of pressure, piston 15 makes up into the needle tubing structure with the absorption chamber 14 this moment, thereby utilize the pressure differential of needle tubing structure and the inside production of frame 1 to adsorb 8 top surfaces of holder, guarantee the adsorption effect at 8 tops of holder. At this moment, the second cylinder 5 stops working, the pressing block 6 clamps the two side faces of the clamping piece 8 by using the clamping device, and the pressing block 6 adsorbs and limits the top face of the clamping piece 8 by using the adsorption device, so that the clamping piece 8 is stably limited at the inner side of the bottom of the support 2, the stacking and boxing rapidness and the working efficiency of the clamping piece 8 are improved, and the labor cost is reduced.

After the clamping piece 8 is limited, the first air cylinder 4 is started, the first air cylinder 4 works to push the support 2 to slide on the inner side of the outer frame 1, at the moment, the support 2 drives the clamping piece 8 to move inside the outer frame 1 through the clamping device and the adsorption device until the clamping piece 8 moves to the top of the placing box at the top of the conveying belt 10, the first air cylinder 4 stops working, the second air cylinder 5 is started, the second air cylinder 5 works to enable the pressing block 6 to move upwards on the inner side of the support 2, the pressing block 6 moves upwards to enable the inner side end of the rotating rod 21 to move upwards, the rotating rod 21 gradually rotates towards the horizontal state from the inclined state under the power of the pressing block 6, the two frame plates 20 are gradually far away through the rotation of the rotating rod 21, and at the moment, the bottom ends of the two frame plates 20 are separated from the two side faces of the clamping piece 8.

When the pressing block 6 moves upwards, the pressing block 6 drives the adsorption rod 12 to move upwards, air inside the limiting frame 11 at the top of the baffle 13 enters the adsorption cavity 14 at the top of the piston 15 through the communicating pipe 16 and the hole slot 17, so that the inside of the adsorption cavity 14 at the top of the piston 15 is always the same as external air pressure, and the external thrust is prevented from being applied to the top of the adsorption rod 12. The adsorption rod 12 moves upwards, the opposite piston 15 moves downwards in the adsorption cavity 14, at the moment, the pressure difference generated between the needle tube structure and the inner part of the outer frame 1 is gradually reduced, the adsorption force between the adsorption cavity 14 and the clamping piece 8 is gradually reduced, until no adsorption force exists between the adsorption cavity 14 and the clamping piece 8, the clamping piece 8 is separated from the frame plate 20 and the adsorption rod 12 at the moment, the clamping piece 8 drops in a placing box, at the moment, the first air cylinder 4 is started, the first air cylinder 4 enables the support 2 to move back to the top of the conveying belt 9, the next clamping piece 8 is convenient to clamp, until one of the placing boxes is filled with the clamping piece 8, the conveying belt 10 is used for placing boxes and moving to a packing position, the next placing box is moved to the corresponding position of the support 2, the above operation process is repeated, and the clamping piece 8 is convenient to be stacked and boxed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a full-automatic pile up neatly vanning equipment, includes frame (1), its characterized in that: the inner side of the outer frame (1) is provided with a support (2), the top of the support (2) penetrates through a first sliding groove (3) in the top of the outer frame (1), the side face of the support (2) is connected with the output end of a first air cylinder (4), and the first air cylinder (4) is clamped on the surface of the inner side wall of the outer frame (1);

support (2) inside is provided with second cylinder (5), briquetting (6) is connected to second cylinder (5) bottom output, briquetting (6) bottom is connected with and presses frame (7), press frame (7) bottom joint adsorption equipment, the adsorption equipment bottom corresponds the matching with holder (8), briquetting (6) both ends are connected with clamping device, clamping device corresponds the matching with holder (8) both sides face, and holder (8) place at conveyer belt (9) top, conveyer belt (9) one side is provided with conveyer belt (10), and conveyer belt (9) top surface is higher than conveyer belt (10) top surface.

2. The fully automatic palletizing and boxing apparatus according to claim 1, wherein:

adsorption equipment is including limiting frame (11), limit frame (11) top is run through to pressure frame (7) bottom, and presses frame (7) bottom surface fixedly connected with to adsorb pole (12) top, adsorbs pole (12) bottom and runs through limiting frame (11) bottom surface, press frame (7) through adsorbing pole (12) and limiting frame (11) swing joint, limiting frame (11) inside sets up the level and is provided with baffle (13), it runs through baffle (13) to adsorb pole (12).

3. The fully automatic palletizing and boxing apparatus according to claim 2, wherein:

the adsorption device is characterized in that an adsorption cavity (14) is formed in the bottom of the adsorption rod (12), a piston (15) is arranged in the adsorption cavity (14), the top surface of the piston (15) is fixedly connected with a communicating pipe (16), a plurality of hole grooves (17) are formed in the surface of the communicating pipe (16), and the top end of the communicating pipe (16) penetrates through the top of the adsorption cavity (14).

4. A fully automatic palletizing and boxing apparatus as claimed in claim 3, wherein:

the adsorption device is characterized in that a limiting groove (18) is formed in the top of the adsorption rod (12), the top end of the communicating pipe (16) is located inside the limiting groove (18), the top end of the communicating pipe (16) is fixedly connected with a limiting rod (19), two ends of the limiting rod (19) are fixedly connected with the baffle (13), and the limiting rod (19) is connected with the adsorption rod (12) in a sliding mode through the communicating pipe (16).

5. The fully automatic palletizing and boxing apparatus according to claim 2, wherein:

clamping device includes two frame plates (20), and two frame plates (20) top all cup joints on support (2) surface, and two frame plates (20) are in briquetting (6) both sides respectively, briquetting (6) both ends tip all articulates bull stick (21) one end, the bull stick (21) other end is articulated with frame plate (20) medial surface.

6. The fully automatic palletizing and boxing apparatus according to claim 5, wherein:

support (2) bottom inboard is provided with limiting plate (22), second spout (23) of limiting plate (22) are run through in frame plate (20), frame plate (20) and second spout (23) sliding connection, the equal fixed connection slider (24) in frame plate (20) both sides limit, slider (24) are in inside third spout (25) of limiting plate (22), and frame plate (20) pass through slider (24) and third spout (25) sliding connection.

7. A fully automatic palletizing and boxing apparatus as claimed in claim 6, wherein:

second spout (23) and third spout (25) intercommunication, and the cross structure is constituteed to the profile structure appearance of second spout (23) and third spout (25), the center department fixed connection of limiting frame (11) and limiting plate (22), and the limiting frame (11) top surface flushes with limiting plate (22) top surface.