CN112305697A

CN112305697A - Anticorrosive pre-buried optic fibre equipment of multiunit centre gripping of being convenient for

Info

Publication number: CN112305697A
Application number: CN202011374022.6A
Authority: CN
Inventors: 张辉
Original assignee: Anlu Fuxin Photoelectric Technology Co ltd
Current assignee: Anlu Fuxin Photoelectric Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-02-02

Abstract

The invention discloses an anti-corrosion embedded optical fiber assembling device convenient for clamping multiple groups of corrosion-resistant embedded optical fibers, which relates to the technical field of optical fiber assembling devices and specifically comprises a slide rail frame and a clamping piece, wherein a sliding arm is connected inside the top end of the slide rail frame, a fixed assembling piece is arranged on the left side of the bottom of the slide rail frame, connecting rods are fixed on the top and the bottom of two sides of the fixed assembling piece, the bottom of the movable assembling piece is connected with a movable pulley, and the bottoms of the movable assembling piece and the fixed assembling piece are connected with a gluing box through corrugated pipes. This be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping can carry out the dust cleaning dusting operation to the connector surface when carrying out automatic feeding to the connector, and clean and tidy nature when guaranteeing the optic fibre equipment, and reduces the plug wire degree of difficulty of optic fibre circuit by a wide margin through the setting in the hole groove that reaches the standard grade, assembles the groove moreover and is provided with a plurality of equipment that can once only accomplish a plurality of optic fibre, is favorable to increasing substantially the packaging efficiency.

Description

Anticorrosive pre-buried optic fibre equipment of multiunit centre gripping of being convenient for

Technical Field

The invention relates to the technical field of optical fiber assembling equipment, in particular to an assembling device for clamping corrosion-resistant embedded optical fibers conveniently.

Background

Along with the development of network technology, more and more families leave the network, the network optical fiber needs to be embedded in the building during construction, the surface of the optical fiber is provided with a rubber coating layer, the corrosion resistance can be improved, the long-term embedding in the building wall body is guaranteed, the building wall body is not corroded, the network equipment can be conveniently added in later stages of residents, the optical fiber is assembled by the optical fiber circuit and the connector, the pre-cut optical fiber circuit needs to be inserted into the connector during production, and then the optical fiber circuit is coated with coating glue for fixing.

The existing assembly of the optical fiber circuit and the connector is that workers insert the optical fiber circuit into the connector in a similar needle threading mode, and the insertion opening of the optical fiber circuit and the connector is too small to lead the optical fiber circuit of the pig claw to be difficult to insert, so that the assembly efficiency can not be improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides equipment for conveniently clamping a plurality of groups of corrosion-resistant embedded optical fibers, and solves the problems that the existing equipment for assembling an optical fiber circuit and a connector in the background art is to insert the optical fiber circuit into the connector in a manner of threading similar to a needle head by staff, and the assembly efficiency cannot be improved because the insertion openings of the optical fiber circuit and the connector are too small, so that the optical fiber circuit of a pig claw is not easy to insert.

In order to achieve the purpose, the invention is realized by the following technical scheme: a sliding arm is connected to the inside of the top end of the sliding rail frame, a servo motor is fixed to the bottom of the sliding arm, a telescopic plate is fixed to the surface of an output shaft of the servo motor, a material clamping plate is connected to the left end of the telescopic plate, a bidirectional air pump is fixed to the surface of the material clamping plate, an air channel is formed in the material clamping plate, a piston rod penetrates through the air channel, the material clamping member is connected to the tail end of the piston rod, air holes are formed in the peripheral side face of the material clamping member and the side face far away from the piston rod, a rubber strip is arranged on the side face, far away from the piston rod, of the material clamping member and located between the air holes, a fixed assembly member is arranged on the left side of the bottom of the sliding rail frame, moving assembly members are arranged on the two sides of the fixed assembly member, and a positioning assembly groove is formed in one side, facing the fixed assembly member, of the two sides of the fixed, the top and the bottom of fixed assembly spare both sides all are fixed with the connecting rod, and the outer wall connection has reset spring when the one end that fixed assembly spare was kept away from to the connecting rod runs through the removal assembly spare, the bottom of removing the assembly spare is connected with removes the pulley, and removes the one side that fixed assembly spare was kept away from to the assembly spare and be provided with the handle, location equipment groove is including line hole groove, locating hole groove, equipment groove and rubberizing mouth, and the right side of line hole groove is connected with the locating hole groove, the right side in locating hole groove is connected with the equipment groove, and has seted up the rubberizing mouth on the inner wall left side in equipment groove, the bottom of removing the assembly spare and fixed assembly spare all is connected with the case rubberizing through the bellows, and the bottom of rubberiz.

Optionally, the sliding arm forms a sliding structure through the sliding rail frame, and the telescopic plate and the material clamping plate form an adjustable structure through the servo motor and the sliding arm.

Optionally, the material clamping plates form a telescopic structure through the telescopic plates, the material clamping pieces are distributed inside the material clamping plates in an array mode, and the material clamping pieces form the telescopic structure through the piston rods and the material clamping plates.

Optionally, the air hole forms a communicating structure with the bidirectional air pump through the material clamping piece, the piston rod, the ventilation channel, and the material clamping piece is of an arc-shaped structure.

Optionally, the rubber strips and the air holes are distributed in a staggered manner, and the rubber strips are of a sawtooth structure.

Optionally, the movable assembly part forms a sliding structure with the sliding rail frame through the movable pulley, and the movable assembly part forms an elastic structure with the fixed assembly part through the return spring and the connecting rod.

Optionally, the side surfaces of the moving assembly parts are attached to the side surfaces of the fixed assembly parts, and the moving assembly parts are symmetrically distributed with respect to a vertical central axis of the fixed assembly parts.

Optionally, the line feeding hole groove forms a communicating structure with the assembling groove through the positioning hole groove, and the line feeding hole groove is of a conical structure.

Optionally, the central axes of the upper line hole groove, the positioning hole groove and the assembling groove are distributed on the same horizontal line, and the assembling groove forms a communicating structure with the gluing box through the gluing port.

The invention provides equipment for conveniently assembling a plurality of groups of clamping corrosion-resistant embedded optical fibers, which has the following beneficial effects:

1. this be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping, because the last wire hole groove is the toper, the optic fibre circuit only needs to paste in the last wire hole inslot surface application of force and pushes into the locating hole inslot portion, and the plug wire opening and the locating hole groove coincidence of the connector that equipment inslot mouth structure and connector outer mouthful structure suited messenger, make optic fibre circuit along the accurate plug wire opening that pushes the connector of locating hole inslot portion, this is provided with and does benefit to the degree of difficulty that reduces the plug wire equipment by a wide margin, thereby improve the packaging efficiency, and will wrap gluey from the outflow of last wire hole portion automatic cladding optic fibre circuit and connector through the pump body of rubberizing incasement portion, be favorable to strengthening the connection firmness, avoid optic fibre circuit to retreat and produce the insecure phenomenon production.

2. This be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping, but the removal built-up member passes through handle, removes the pulley horizontal action and removes and make line hole groove, locating hole groove and equipment groove be divided into two halves to be favorable to making things convenient for the optic fibre unloading after the equipment, and can make the mobile built-up member automatic re-setting again and the laminating of fixed built-up member through reset spring, connecting rod, thereby make things convenient for the optic fibre equipment of next batch.

3. This be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping, it stretches out the centre gripping connector through the piston rod to press from both sides the material piece, and press from both sides the material piece surface and be provided with the gas pocket and cooperate two-way air pump can blow off the air current in gas pocket department, thereby clear up the connector surface, avoid the impurity adhesion, and the gas pocket distributes and is favorable to improving the clearance area in pressing from both sides the material piece all around with the side, and cooperate the rubber strip to make when can improving the centre gripping dynamics to press from both sides and produce the space between material piece and the connector, and the rubber strip is the cockscomb structure, make the air current can paste in the connector surface flow.

4. This be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping, the connector receives the rotatory flexible effect of back through servo motor and expansion plate to insert the connector inside the equipment groove, and this setting need not the manual work and carries out the connector material loading and is favorable to improving the equipment speed, and the quantity in equipment groove is corresponding with the quantity that presss from both sides the material piece, is favorable to accomplishing the equipment that is a plurality of optic fibres simultaneously, is favorable to improving the production volume by a wide margin.

5. This be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping can carry out the dust cleaning dusting operation to the connector surface when carrying out automatic feeding to the connector, and clean and tidy nature when guaranteeing the optic fibre equipment, and reduces the plug wire degree of difficulty of optic fibre circuit by a wide margin through the setting in the hole groove that reaches the standard grade, assembles the groove moreover and is provided with a plurality of equipment that can once only accomplish a plurality of optic fibre, is favorable to increasing substantially the packaging efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the mobile assembly of the present invention;

FIG. 3 is a schematic top view of the inner structure of the clamping member of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. a slide rail frame; 2. a slide arm; 3. a servo motor; 4. a retractable plate; 5. a material clamping plate; 6. a bidirectional air pump; 7. a vent passage; 8. a piston rod; 9. clamping the material; 10. air holes; 11. a rubber strip; 12. a fixed assembly; 13. a moving assembly; 14. positioning the assembly groove; 15. a connecting rod; 16. a return spring; 17. a movable pulley; 18. a handle; 19. an upper line hole groove; 20. a positioning hole groove; 21. an assembly groove; 22. gluing a glue hole; 23. and (5) gluing the box.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a technical solution: a multi-group clamping corrosion-resistant embedded optical fiber assembling device comprises a slide rail frame 1 and a clamping piece 9, wherein a sliding arm 2 is connected inside the top end of the slide rail frame 1, a servo motor 3 is fixed at the bottom of the sliding arm 2, a telescopic plate 4 is fixed on the surface of an output shaft of the servo motor 3, a clamping plate 5 is connected at the left end of the telescopic plate 4, the sliding arm 2 forms a sliding structure through the slide rail frame 1, the telescopic plate 4 and the clamping plate 5 form an adjustable structure through the servo motor 3 and the sliding arm 2, a bidirectional air pump 6 is fixed on the surface of the clamping plate 5, an air channel 7 is formed inside the clamping plate 5, a piston rod 8 penetrates through the air channel 7, the clamping piece 9 is connected to the tail end of the piston rod 8, air holes 10 are formed in the peripheral side face of the clamping piece 9 and the side face far away from the piston rod 8, and a rubber strip 11 is arranged on the side face of the clamping piece, the rubber strips 11 are positioned between the air holes 10, the clamping plate 5 forms a telescopic structure through the telescopic plate 4, the clamping parts 9 are distributed in the clamping plate 5 in an array manner, the clamping parts 9 form a telescopic structure through the piston rods 8 and the clamping plate 5, the air holes 10 form a communicated structure through the clamping parts 9, the piston rods 8, the ventilation channels 7 and the bidirectional air pump 6, the clamping parts 9 are in an arc-shaped structure, the rubber strips 11 and the air holes 10 are distributed in a staggered manner, the rubber strips 11 are in a zigzag structure, the sliding arm 2 slides to the upper side of the connecting head swinging disc along the inner part of the sliding rail frame 1, the clamping plate 5 and the connecting head are superposed on the horizontal plane at the moment, the clamping parts 9 are positioned at two sides of the connecting head through the descending of an electric push rod on the telescopic plate 4, the piston rods 8 push the clamping parts 9 to extend out to clamp the connecting head at the moment, and then the sliding arm 2 carries the connecting head to, in the moving process, the bidirectional air pump 6 generates air flow at the air holes 10 on the surface of the clamping part 9 through the air passage 7, so that dust and dust are removed from the surface of the connector, the air holes 10 are distributed on the periphery and the side surface of the clamping part 9, so that the cleaning area is improved, the clamping force can be improved by matching with the rubber strips 11, a gap is formed between the clamping part 9 and the connector, and the rubber strips 11 are in a zigzag shape, so that the air flow can flow along with the gap attached to the surface of the connector, and the cleaning effect is improved;

a fixed assembly part 12 is arranged on the left side of the bottom of the slide rail frame 1, a movable assembly part 13 is arranged on two sides of the fixed assembly part 12, positioning assembly grooves 14 are respectively arranged on two sides of the fixed assembly part 12 and one side of the movable assembly part 13 facing the fixed assembly part 12, a connecting rod 15 is fixed on the top and the bottom of each of two sides of the fixed assembly part 12, one end of the connecting rod 15 far away from the fixed assembly part 12 penetrates through the movable assembly part 13, meanwhile, the outer wall of the connecting rod 15 is connected with a return spring 16, the bottom of the movable assembly part 13 is connected with a movable pulley 17, a handle 18 is arranged on one side of the movable assembly part 13 far away from the fixed assembly part 12, the movable assembly part 13 forms a sliding structure with the slide rail frame 1 through the movable pulley 17, the movable assembly part 13 forms an elastic structure through the, the movable assembly parts 13 are symmetrically distributed about a vertical central axis of the fixed assembly part 12, the positioning and assembling groove 14 comprises an upper line hole groove 19, a positioning hole groove 20, an assembling groove 21 and an upper glue opening 22, the right side of the upper line hole groove 19 is connected with the positioning hole groove 20, the right side of the positioning hole groove 20 is connected with the assembling groove 21, the left side of the inner wall of the assembling groove 21 is provided with the upper glue opening 22, the bottoms of the movable assembly parts 13 and the fixed assembly parts 12 are connected with the upper glue box 23 through corrugated pipes, the top of the upper glue box 23 is fixedly connected with the bottom of the slide rail frame 1, the upper line hole groove 19 forms a communicating structure with the assembling groove 21 through the positioning hole groove 20, the upper line hole groove 19 is in a conical structure, the upper line hole groove 19, the positioning hole groove 20 and the assembling groove 21 are distributed on the same horizontal line of the central axis, and the assembling groove 21 forms a communicating structure with, when the sliding arm 2 carries the connector to be close to the fixed assembly part 12, the telescopic plate 4 and the clamping plate 5 are rotated 90 degrees clockwise through the servo motor 3, the clamping plate 5 faces the assembly groove 21, the connector is inserted into the assembly groove 21 through the electric push rods around the telescopic plate 4, the optical fiber circuit is manually pasted on the inner surface of the upper wire hole groove 19 to be pushed into the positioning hole groove 20, the inner opening structure of the assembly groove 21 is matched with the outer opening structure of the connector, so that the plug wire opening of the connector is superposed with the positioning hole groove 20, the optical fiber circuit is accurately pushed into the plug wire opening of the connector along the inner part of the positioning hole groove 20, the arrangement is favorable for greatly reducing the difficulty of plug wire assembly, thereby improving the assembly efficiency, and the optical fiber circuit and the connector can be automatically coated by flowing out coating glue from the upper glue opening 22 through the pump body in the upper glue box 23, so that the connection firmness is favorably enhanced, avoid the fiber circuit to retreat and produce the phenomenon production of connecting insecure, thereby and the artifical handle 18 that grips after the optical fiber assembly finishes makes the removal built-up part 13 slide through removing pulley 17 to keep away from fixed built-up part 12 to both sides level application of force in proper order, thereby line hole groove 19 reaches the standard grade this moment, locating hole groove 20 and equipment groove 21 divide into two halves, and unloading is accomplished in the natural whereabouts of optic fibre, be favorable to making things convenient for the optic fibre unloading after the equipment, after the optic fibre unloading, loosen handle 18, connecting rod 15 stretches into the inside removal built-up part 13 that makes of removal built-up part 13 automatic re-setting and the laminating of fixed built-up part 12 through reset spring.

In conclusion, when the equipment is used, the sliding arm 2 firstly slides to the upper part of the swinging disc of the connector along the inside of the sliding rail frame 1, at the moment, the material clamping plate 5 and the connector coincide on the horizontal plane, then the material clamping piece 9 is positioned at two sides of the connector through the descending of the electric push rod on the expansion plate 4, at the moment, the piston rod 8 pushes the material clamping piece 9 to extend out to clamp the connector, then the sliding arm 2 carries the connector to move towards the fixed assembly part 12, then the bidirectional air pump 6 generates air flow at the air hole 10 on the surface of the material clamping piece 9 through the air passage 7 in the moving process, thereby removing dust and ash on the surface of the connector, the air holes 10 are distributed on the periphery and the side surface of the material clamping piece 9 to facilitate the improvement of the cleaning area, and the rubber strip 11 is matched to improve the clamping force and simultaneously generate a gap between the material clamping piece 9 and the connector, the air current can flow along with the gap pasting on the surface of the connector, thereby being beneficial to improving the cleaning effect, after the sliding arm 2 carries the connector to be close to the fixed assembly part 12, the expansion plate 4 and the material clamping plate 5 rotate 90 degrees clockwise through the servo motor 3, the material clamping plate 5 faces the assembly groove 21, then the connector is inserted into the assembly groove 21 through the electric push rods around the expansion plate 4, then the optical fiber circuit is pasted on the inner surface of the upper thread hole groove 19 by manpower to apply force to push into the inside of the positioning hole groove 20, the inner opening structure of the assembly groove 21 is matched with the outer opening structure of the connector, so that the plug wire opening of the connector is superposed with the positioning hole groove 20, the optical fiber circuit is accurately pushed into the plug wire opening of the connector along the inside of the positioning hole groove 20, then the coating glue flows out from the upper glue opening 22 through the pump body inside the upper glue box 23, the optical fiber circuit and the connector can be automatically coated, then, the handle 18 is manually held to horizontally apply force to two sides in sequence, so that the movable assembly part 13 slides through the movable pulley 17 to be far away from the fixed assembly part 12, the wire feeding hole groove 19, the positioning hole groove 20 and the assembling groove 21 are divided into two halves, the optical fibers naturally fall to complete blanking, the optical fiber blanking after assembly is facilitated, finally, after the optical fiber blanking, the handle 18 is loosened, and the connecting rod 15 extends into the movable assembly part 13 through the reset spring 16 to enable the movable assembly part 13 to be automatically reset and attached to the fixed assembly part 12, so that the optical fibers of the next batch are conveniently assembled.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a be convenient for anticorrosive pre-buried optic fibre equipment of multiunit centre gripping, includes slide rail frame (1) and presss from both sides material (9), its characterized in that: the sliding arm (2) is connected to the top end of the sliding rail frame (1) in an internal mode, the servo motor (3) is fixed to the bottom of the sliding arm (2), the expansion plate (4) is fixed to the surface of an output shaft of the servo motor (3), the left end of the expansion plate (4) is connected with the material clamping plate (5), the bidirectional air pump (6) is fixed to the surface of the material clamping plate (5), the air channel (7) is formed in the material clamping plate (5), the piston rod (8) penetrates through the air channel (7), the material clamping piece (9) is connected to the tail end of the piston rod (8), air holes (10) are formed in the peripheral side face of the material clamping piece (9) and the side face far away from the piston rod (8), rubber strips (11) are arranged on the side face far away from the piston rod (8) of the material clamping piece (9), the rubber strips (11) are located between the air holes (10), and a fixed assembly piece (12) is arranged on the left, and both sides of the fixed assembly part (12) are provided with movable assembly parts (13), both sides of the fixed assembly part (12) and one side of the movable assembly part (13) facing the fixed assembly part (12) are respectively provided with a positioning assembly groove (14), the top and the bottom of both sides of the fixed assembly part (12) are respectively fixed with a connecting rod (15), one end of the connecting rod (15) far away from the fixed assembly part (12) penetrates through the movable assembly part (13) while the outer wall is connected with a return spring (16), the bottom of the movable assembly part (13) is connected with a movable pulley (17), one side of the movable assembly part (13) far away from the fixed assembly part (12) is provided with a handle (18), the positioning assembly groove (14) comprises an upper wire hole groove (19), a positioning hole groove (20), an assembly groove (21) and an upper adhesive opening (22), and the right side of the upper wire hole groove (19, the right side of locating hole groove (20) is connected with equipment groove (21), and the inner wall left side of equipment groove (21) has seted up rubberizing mouth (22), the bottom of removing built-up member (13) and fixed built-up member (12) all is connected with rubberizing case (23) through the bellows, and the top of rubberizing case (23) links firmly with the bottom of slide rail frame (1).

2. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the sliding arm (2) forms a sliding structure through the sliding rail frame (1), and the expansion plate (4) and the material clamping plate (5) form an adjustable structure through the servo motor (3) and the sliding arm (2).

3. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: press from both sides flitch (5) and constitute extending structure through expansion plate (4), and press from both sides and be array form between material spare (9) and distribute in pressing from both sides flitch (5) inside, press from both sides material spare (9) moreover and pass through piston rod (8) and press from both sides and constitute extending structure between flitch (5).

4. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the air hole (10) is communicated with the bidirectional air pump (6) through the material clamping piece (9), the piston rod (8), the ventilation channel (7), and the material clamping piece (9) is of an arc-shaped structure.

5. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the rubber strips (11) and the air holes (10) are distributed in a staggered mode, and the rubber strips (11) are of a sawtooth structure.

6. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the movable assembly part (13) forms a sliding structure with the sliding rail frame (1) through the movable pulley (17), and the movable assembly part (13) forms an elastic structure with the fixed assembly part (12) through the return spring (16) and the connecting rod (15).

7. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the side surfaces of the movable assembly parts (13) are attached to the side surfaces of the fixed assembly parts (12), and the movable assembly parts (13) are symmetrically distributed around the vertical central axis of the fixed assembly parts (12).

8. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the upper line hole groove (19) forms a communicating structure with the assembling groove (21) through the positioning hole groove (20), and the upper line hole groove (19) is in a conical structure.

9. The equipment for facilitating assembly of multiple groups of clamping corrosion-resistant embedded optical fibers according to claim 1, characterized in that: the central axes of the upper line hole groove (19), the positioning hole groove (20) and the assembling groove (21) are distributed on the same horizontal line, and the assembling groove (21) forms a communicated structure with the upper glue box (23) through the upper glue opening (22).