CN217350720U

CN217350720U - Filling assembly capable of rapidly replacing filling specifications

Info

Publication number: CN217350720U
Application number: CN202220198929.XU
Authority: CN
Inventors: 雍孝鹏; 雍孝军; 雍洲
Original assignee: Sichuan Chengchuang Intelligent Technology Co ltd
Current assignee: Sichuan Chengchuang Intelligent Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-02
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a filling assembly capable of rapidly replacing filling specifications, which relates to the technical field of filling machines and comprises a frame, wherein a conveying line and a lifting plate capable of lifting and moving are arranged on the frame, a plurality of filling heads are arranged on the lifting plate in a line shape in parallel, and the filling heads are all arranged right above the conveying line; the filling machine further comprises a clamping cylinder, a movable protective plate and a fixed protective plate, wherein one end of the clamping cylinder is connected with the rack, the other end of the clamping cylinder is connected with the movable protective plate, the fixed protective plate is installed on the rack, the fixed protective plate and the movable protective plate are oppositely arranged, and the fixed protective plate and the movable protective plate are both arranged between the filling head and the conveying line; a material receiving groove is fixedly arranged on the lifting plate, and a telescopic unit is arranged between the filling heads. This filling subassembly can be convenient quick when changing the filling specification put equipment adjustment in place, and the time when effectively practicing thrift the change filling specification.

Description

Filling assembly capable of rapidly replacing filling specifications

Technical Field

The utility model relates to a liquid filling machine technical field specifically is a but filling subassembly of quick replacement filling specification.

Background

The liquid filling machine is a filling device, and is mainly used for filling liquid materials such as pesticides, oil materials, drinks and the like. In order to increase the filling rate, a plurality of filling heads are usually arranged at equal intervals on the liquid filling machine. During filling, the row of packaging bottles are conveyed to the position below the filling head through the conveying device, and then the filling head descends to the position near a bottle opening for filling; after the filling is finished, the filling head rises, and the packaging bottles are conveyed to the next procedure by the conveying device.

The conveying device of the existing filling machine comprises a conveying line and guard plates arranged on two sides above the conveying line, and the guard plates are used for righting a bottle body when a packaging bottle is conveyed to play a role in guiding. Because different packing bottle body sizes are different, when changing the filling specification, generally need debug the both sides backplate position.

The conveying device of the existing filling machine is also provided with a clamping device above, the clamping device is used for clamping the bottle body or the bottle mouth during filling, and is used for positioning the bottle mouth under the filling head, so that materials can be smoothly filled into the bottle, the packaging bottle can be shifted or toppled over during filling can be effectively avoided, and the filling process is guaranteed to be smoothly carried out. Because the bottle body and the bottle mouth of different packaging bottles are different in size and height, the position of the clamping device is usually required to be debugged when the filling specification is changed.

The existing filling machine is usually provided with a material receiving mechanism independently, and the material receiving mechanism can extend a material receiving groove to the lower side of a filling head when the filling head rises so as to collect materials leaked by the filling head and avoid the direct dripping of the materials to pollute a bottle body or a conveying line. Because the bottle openings of different packaging bottles are different in height, the height of the butt-joint material groove is required to be adjusted when the filling specification is changed.

In addition, in the process of conveying the packaging bottles by the conveying device, the adjacent packaging bottles are mutually abutted, so that when products with different specifications (different packaging bottle diameters) are produced, the filling can be finished by adjusting the distance between the filling heads. In the prior art, when the specification of a packaging bottle is changed, the conventional liquid filling machine needs to adjust the mounting positions of filling heads one by one.

In conclusion, when the filling specification of the existing filling machine is changed every time, the guard plate, the clamping device, the material receiving groove position and the filling head interval of the conveying device need to be debugged, and the existing filling machine is troublesome in adjustment and consumes more time. When the production specification is changed, production interruption is caused, and the on-duty yield is directly influenced when the production specification is changed and the production is put into equipment debugging for too much time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, but provides a filling subassembly of quick replacement filling specification, can make things convenient for quick when changing the filling specification put equipment adjustment in place, the time when effectively practicing thrift and changing the filling specification.

The purpose of the utility model is realized through the following technical scheme:

a filling assembly capable of rapidly changing filling specifications comprises a rack, wherein a conveying line and a lifting plate capable of lifting and moving are mounted on the rack, a plurality of filling heads are mounted on the lifting plate in a straight line in parallel, and the filling heads are all arranged right above the conveying line; still include centre gripping cylinder, removal backplate and fixed backplate, the one end of centre gripping cylinder with the frame is connected, the other end of centre gripping cylinder with it connects to remove the backplate, fixed backplate is installed in the frame, fixed backplate sets up with removing the backplate relatively, fixed backplate and removal backplate all set up in the filling head with between the transfer chain.

Furthermore, the clamping device further comprises an adjustable support and an adjustable connecting plate, the clamping cylinder is connected with the frame through the adjustable connecting plate, the adjustable connecting plate is used for adjusting the distance between the cylinder and the center line of the conveying line, the fixed guard plate is connected with the frame through the adjustable support, and the adjustable support is used for adjusting the distance between the fixed guard plate and the center line of the conveying line.

Through the setting, the relative fender plate structure function and the clamping structure function of blocking up the way in the existing equipment are integrated into a whole, when the specification debugging equipment is changed, the equipment can be adjusted in place only by adjusting the positions of the adjustable support and the adjustable connecting plate, and the shutdown debugging time during the specification changing is effectively saved.

This but filling subassembly of quick replacement filling specification still includes and connects the material cylinder and connect the silo, connect the one end of material cylinder with the lifter plate is connected, connect the other end of material cylinder with connect the silo to be connected, connect the piston rod of material cylinder can with when stretching out connect the silo to promote to a plurality of under the filling head. The material receiving groove is directly connected with the lifting plate and moves up and down along with the lifting plate, the position of the material receiving groove does not need to be adjusted no matter what specification is filled, and the time for changing the specification can be effectively saved.

Furthermore, a plurality of mounting frames are sequentially arranged on the lifting plate in a horizontally sliding manner, and a plurality of filling heads are respectively mounted on the mounting frames;

a telescopic unit is arranged between every two adjacent mounting frames and comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with one mounting frame, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the other mounting frame;

still include adjustment mechanism, adjustment mechanism is including the push pedal that can reciprocate, the push pedal can act on simultaneously when reciprocating a plurality of telescopic unit is in order to realize a plurality of interval adjustment between the mounting bracket.

Furthermore, the telescopic unit further comprises a hinged shaft and a roller, the first connecting rod and the second connecting rod are hinged through the hinged shaft, and the roller is sleeved on one end of the hinged shaft; the push plate is provided with a push chute, the roller is arranged in the push chute in a sliding manner, and the wheel surface of the roller is tangent to both side walls of the push chute.

Furthermore, the adjusting mechanism further comprises a screw rod mechanism, the screw rod mechanism comprises an adjusting screw rod, a support and an adjusting block, the support is fixedly connected with the lifting plate, the adjusting screw rod is rotatably connected with the support, the adjusting block is fixedly connected with the push plate, the adjusting block is in threaded connection with the adjusting screw rod, and the adjusting screw rod can drive the push plate to move up and down when rotating.

Furthermore, the screw rod mechanisms are provided with a plurality of screw rod mechanisms and further comprise a plurality of chain transmission mechanisms, and two adjacent adjusting screw rods in the plurality of screw rod mechanisms are in transmission connection through one chain transmission mechanism.

Furthermore, be provided with articulated nail on the mounting bracket, adjacent two in the telescopic unit, one telescopic unit's first connecting rod and another telescopic unit's second connecting rod all passes through articulated nail and two mounting bracket between the telescopic unit is articulated.

Through the setting, can be fast convenient adjust the position of each filling head, further practice thrift the shut down debug time when changing the specification.

The utility model has the advantages that:

this but filling subassembly of quick replacement filling specification sets up centre gripping cylinder, removes backplate and fixed backplate, and it sets up relatively to remove backplate and fixed backplate. When the piston rod of the clamping cylinder retracts, the movable guard plate is driven to move, so that the distance between the movable guard plate and the fixed guard plate is slightly larger than the size of the packaging bottle, and the movable guard plate and the fixed guard plate play a role in righting and guiding the packaging bottle; the piston rod of centre gripping cylinder stretches out when the filling, through removing backplate and fixed backplate with packing bottle centre gripping and location. The integration of clamping and guiding positioning is realized, the positions of the clamping mechanism and the guard plate for guiding are not required to be respectively adjusted when the specification is changed, the adjustment is more convenient, and the shutdown debugging time for changing the specification can be effectively reduced.

In this filling subassembly of but quick replacement filling specification, direct installation on the lifter plate connects the material cylinder, connects the end installation that stretches out of material cylinder to connect the silo, has realized the collection function to the filling head hourglass material, avoids the pollution to the environment. Because connect the silo directly to carry out elevating movement along with the lifter plate, need not to connect the height of silo to adjust when changing the specification. The structure that sets up the first interval of quick adjustment filling can directly adjust the first interval of filling through the push-and-pull when changing the specification, need not to adjust the first position of filling one by one, further reduces the shut down debug time of changing the specification.

Drawings

Fig. 1 is a schematic structural diagram of a filling assembly capable of rapidly changing filling specifications according to the present invention;

fig. 2 is an enlarged structural schematic view of an adjustable bracket part in the filling assembly capable of rapidly changing the filling specification of the present invention;

fig. 3 is a schematic structural diagram of the filling assembly of the present invention for adjusting the distance between filling heads;

fig. 4 is a schematic structural view of the telescopic unit.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

The utility model provides a but filling subassembly of quick replacement filling specification, mainly used solves current filling equipment and debugs complicated, long problem consuming time when changing the filling specification. Its structure is as shown in fig. 1 to 4, including the frame, installs the lifter plate 10 of transfer chain 1 and liftable removal in the frame, is the in-line on the lifter plate 10 and installs a plurality of filling heads 26 side by side, and a plurality of filling heads 26 all set up directly over transfer chain 1. Still include centre gripping cylinder 41, remove backplate 42 and fixed backplate 43, the one end and the frame of centre gripping cylinder 41 are connected, and centre gripping cylinder 41's the other end is connected with removing backplate 42, and fixed backplate 43 is installed in the frame, and fixed backplate 43 sets up with removing backplate 42 relatively, and fixed backplate 43 and removal backplate 42 all set up between filling head 26 and transfer chain 1. When the conveying line 1 conveys the packaging bottles, the piston rod of the clamping cylinder 41 retracts, the distance between the fixed guard plate 43 and the movable guard plate 42 is slightly larger than that of the packaging bottles at the moment, and the fixed guard plate and the movable guard plate play a role in righting and guiding the packaging bottles in the conveying process; when filling, the piston rod of the clamping cylinder 41 is pushed out, the movable guard plate 42 is driven to push the packaging bottles to move towards the fixed guard plate 43, and finally the packaging bottles are clamped and positioned so that the bottle openings of the packaging bottles are just opposite to the bottom end of the filling head 26 to fill smoothly.

Among the present filling equipment, backplate and fixture separately set up usually, and because the diameter of different specification filling bottles is different, when changing the filling specification, need adjust backplate position and fixture position simultaneously usually, and is comparatively consuming time hard. Through the setting, be integrated as a whole with backplate and fixture's function, only need adjust fixed backplate 43 and centre gripping cylinder 41's position respectively when changing the specification and can accomplish the debugging, compare in its adjusting part of current filling equipment still less, can effectively practice thrift the shut down debug time when changing the specification.

Specifically, the filling assembly capable of rapidly changing the filling specification further comprises an adjustable bracket 44 and an adjustable connecting plate 45. The clamping cylinder 41 is connected with the frame through an adjustable connecting plate 45, the adjustable connecting plate 45 is used for adjusting the distance between the cylinder 41 and the center line of the conveying line 1, the fixed guard plate 43 is connected with the frame through an adjustable support 44, and the adjustable support 44 is used for adjusting the distance between the fixed guard plate 43 and the center line of the conveying line 1.

In practical application, the adjustable support 44 and the adjustable connecting plate 45 may be a variety of connecting members, as long as the positions of the fixed guard plate 43 and the clamping cylinder 41 relative to the conveying line 1 can be conveniently adjusted.

Due to the fact that the diameters of different packaging bottles are different, the horizontal positions of the fixed guard plate 43 and the clamping cylinder 41 need to be adjusted when specifications are changed; for some packaging machines with wider application range, the height of the fixing guard plate 43 needs to be adjusted due to different heights of different packaging bottles. In this embodiment, as shown in fig. 1, the adjustable connecting plate 45 is directly formed by processing a long hole at a position connected with the frame, the connecting plate 45 is connected with the frame through a bolt, the bolt is loosened during adjustment, the connecting plate 45 is moved to a position to be adjusted along the direction of the long hole, and then the bolt is tightened to complete the adjustment. The structure of the adjustable bracket 44 is shown in fig. 2, which includes a base a51, a first slide bar 52, a first locking screw 54, a base B53, a second slide bar 56, and a second locking screw 55. The base A51 is fixedly installed on the base under the fixed guard plate 43, the first slide bar 52 is slidably installed on the base A51 up and down, and the first locking screw 54 is used for fixing the first slide bar 52 and the base A51 when being screwed. The base B53 is mounted on the top end of the first slide bar 52, the second slide bar 56 is horizontally slidably mounted on the base B53, one end of the second slide bar 56 is connected with the fixing guard 43, and the second locking screw 55 is used for fixing the second slide bar 56 with the base B53 when being screwed down. When the horizontal position of the fixed guard plate 43 needs to be adjusted, the second locking screw 55 is loosened, the second sliding rod 56 is slid, and then the second locking screw 55 is tightened to complete the adjustment; when the height of the fixed guard plate 43 needs to be adjusted, the first locking screw 54 is loosened, then the first sliding rod 52 is slid, and the first locking screw 54 is screwed, so that the adjustment can be completed, and the adjustment is convenient.

Further, this filling subassembly of quick replacement filling specification still is provided with and connects material cylinder (sheltered from in figure 1) and connect silo 46, connects the one end and the lifter plate 10 of material cylinder to be connected, connects the other end of material cylinder and connects silo 46 to be connected (be connected through the connecting rod in figure 1). After the filling heads 26 are filled, the filling heads rise along with the lifting plate 10, and at the moment, the piston rods of the material receiving cylinders extend out, so that the material receiving grooves 46 can be pushed to be right below the filling heads 26 and used for collecting materials dripped by the filling heads 26, and the bottle bodies and the conveying line 1 are prevented from being polluted; and when lifter plate 10 descends and carries out the filling, connect the piston rod of material cylinder to return, avoid connecing the silo to cause the hindrance to the filling of filling head 26. For preventing pollution, current filling equipment sets up alone usually and connects the silo, collects the material of drippage, because the highly different of different packing bottles, often need to connect the mounting height of silo to adjust when changing the filling specification. This embodiment will connect silo 46 and lifter plate 10 to link together, along with lifter plate 10 lifting motion together, need not to dock the height adjustment of silo again when changing the filling specification, further practices thrift the shut down debug time when changing the specification.

In terms of filling head distance adjustment, the filling assembly capable of rapidly changing the filling specification adopts the structure of the invention patent application 'a liquid filling machine filling assembly (application number 2021115502034) capable of rapidly adjusting the filling head distance', as shown in fig. 3 and 4:

the lifting plate 10 is provided with a transverse slide rail 11, a plurality of mounting frames 20 are sequentially arranged and can transversely slide on the transverse slide rail 11, and a plurality of filling heads 26 are respectively mounted on the plurality of mounting frames 20. And a telescopic unit is arranged between two adjacent mounting frames 20 and comprises a first connecting rod 21 and a second connecting rod 22, one end of the first connecting rod 21 is hinged with one mounting frame 20, the other end of the first connecting rod 21 is hinged with one end of the second connecting rod 22, and the other end of the second connecting rod 22 is hinged with the other mounting frame 20. An adjusting mechanism is also provided, the adjusting mechanism comprises a push plate 30 which can move up and down, and the push plate 30 can act on all the telescopic units simultaneously when moving up and down so as to realize the adjustment of the distance between the mounting frames 20. When the lifting plate is used, the first mounting frame 20 is fixed with the lifting plate 10 along the inlet direction of the package bottle conveying (any one of the mounting frames 20 can be fixed when in practical use). By pushing the push plate 30 up and down, the push plate 30 can directly act on all the telescopic units to adjust all the telescopic units. After adjustment is complete, the position of each of the heads 26 can be quickly locked by simply locking the position of the push plate 30. Therefore, when the production specification is changed, the mode that the position of each filling head 26 is adjusted singly by the existing equipment is replaced, and the adjustment is more convenient and quicker. Meanwhile, by means of the arrangement, the first connecting rod 21 and the second connecting rod 22 between every two adjacent mounting frames 20 actually form a stable triangular supporting structure, so that the position of the filling head 26 is ensured not to deviate in the filling process, and stable filling production is guaranteed.

The push plate 30 acts on all the telescopic units simultaneously when moving up and down, and can be any position or any shape component arranged on the telescopic units, as long as the function of driving the first connecting rod 21 and the second connecting rod 22 to rotate to complete the distance adjustment can be realized. For example, a pin is arranged on the telescopic unit, the first connecting rod 21 and the second connecting rod 22 are hinged at the pin, the push plate 30 is provided with a chute matched with the pin, and the distance adjustment is realized by pushing the push plate 30 upwards or downwards to directly act on the pin; for another example, any position capable of being pushed is formed on the first connecting rod 21 and/or the second connecting rod 22, and the push plate 30 is composed of an upper push plate and a lower push plate, which are respectively matched with the position capable of being pushed, and the upper push plate and the lower push plate are respectively pushed to realize the function of reducing or increasing the distance. In the preferred embodiment, the above-mentioned telescopic unit further includes a hinge shaft 24 and a roller 23. The first connecting rod 21 and the second connecting rod 22 are hinged through a hinge shaft 24, and the roller 23 is sleeved on one end of the hinge shaft 24; the push plate 30 is provided with a push chute, the roller 23 is slidably arranged in the push chute, and the wheel surface of the roller 23 is tangent to both side walls of the push chute. The structure is relatively simple, the roller 23 can smoothly slide in the push chute, the retardation is small when the push plate 30 is pushed to be adjusted, and the adjustment is convenient.

The up-and-down movement of the push plate 30 and the locking of the push plate 30 after setting can be realized in various ways, for example, the push plate 30 is manually pushed to move up and down, and the position of the push plate 30 is locked by fixing members such as bolts or limiting members such as pins. In specific implementation, the adjusting mechanism further comprises a screw rod mechanism, the screw rod mechanism comprises an adjusting screw rod 34, a support 35 and an adjusting block 33, the support 35 is fixedly connected with the lifting plate 10, the adjusting screw rod 34 is rotatably connected with the support 35, the adjusting block 33 is fixedly connected with the push plate 30, and the adjusting block 33 is in threaded connection with the adjusting screw rod 34. The adjusting screw 34 is provided with a hand wheel, the adjusting screw 34 can be driven to rotate by operating the hand wheel, and the adjusting screw 34 is in threaded connection with the adjusting block 33, so that the pushing plate 30 can be driven to move up and down when the adjusting screw 34 rotates. Through this design, only need rotate adjusting screw 34 and can accomplish the position adjustment of each mounting bracket 20, because the auto-lock nature of threaded connection itself (can add the back of the body cap when necessary and lock), the position of push pedal 30 is by the snap-on after the adjustment is accomplished, and the process of its whole adjustment and locking is convenient and fast all.

When the device is specifically implemented, if only one screw rod mechanism is arranged, stress points of the push plate 30 are too concentrated when distance adjustment is carried out, deformation easily occurs when the size of the push plate 30 is long, and the requirement on the rigidity of the material of the push plate 30 is high. Preferably, the screw rod mechanisms may be provided in plurality, and the adjusting screws 34 of the plurality of screw rod mechanisms may be rotated synchronously. The plurality of adjusting screw rods 34 are synchronously rotated, so that the push plate 30 can be directly driven to stably move up and down, stress points of the push plate 30 are more dispersed during adjustment, the stress is more uniform, and the requirement on the rigidity of the push plate 30 is lower. For example, the embodiment shown in fig. 1 and 3 is a preferred embodiment of providing two screw mechanisms.

The synchronous rotation of the adjusting screw 34 can be achieved in various ways, for example, by using a synchronous motor, or by providing a synchronous belt transmission mechanism, a gear transmission mechanism, etc. in series. In the embodiment of fig. 3, two adjacent adjusting screws 34 are in transmission connection through a chain transmission mechanism 36, and the transmission ratio is accurate, the synchronism is strong, and the cost is relatively low.

When above-mentioned two adjacent flexible units are articulated rather than mounting bracket 20 between them, can articulate in the difference, only need keep each flexible unit's the same purpose that can realize this scheme whole adjustment mounting bracket 20 interval simultaneously after connecting the shape. In a preferred embodiment, in the present embodiment, the mounting frame 20 is provided with a hinge pin, and in two adjacent telescopic units, the first link 21 of one telescopic unit and the second link 22 of the other telescopic unit are both hinged to the mounting frame 20 between the two telescopic units through the hinge pin. This setting is compared in articulating in different positions, and the structure is simpler, and each mounting bracket 20 atress is also more stable balanced when carrying out interval adjustment.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A filling assembly capable of rapidly replacing filling specifications comprises a rack, wherein a conveying line (1) and a lifting plate (10) capable of lifting and moving are arranged on the rack, a plurality of filling heads (26) are arranged on the lifting plate (10) in a straight line in parallel, and the filling heads (26) are all arranged right above the conveying line (1);

the device is characterized by further comprising a clamping cylinder (41), a movable protection plate (42) and a fixed protection plate (43), wherein one end of the clamping cylinder (41) is connected with the frame, the other end of the clamping cylinder (41) is connected with the movable protection plate (42), the fixed protection plate (43) is installed on the frame, the fixed protection plate (43) and the movable protection plate (42) are arranged oppositely, and the fixed protection plate (43) and the movable protection plate (42) are arranged between the filling head (26) and the conveying line (1).

2. A filling assembly capable of changing filling specifications quickly as claimed in claim 1, further comprising an adjustable bracket (44) and an adjustable connecting plate (45), wherein the clamping cylinder (41) is connected with the frame through the adjustable connecting plate (45), the adjustable connecting plate (45) is used for adjusting the distance between the clamping cylinder (41) and the center line of the conveying line (1), the fixed guard plate (43) is connected with the frame through the adjustable bracket (44), and the adjustable bracket (44) is used for adjusting the distance between the fixed guard plate (43) and the center line of the conveying line (1).

3. The filling assembly capable of rapidly changing the filling specification according to claim 1, further comprising a material receiving cylinder and a material receiving groove (46), wherein one end of the material receiving cylinder is connected with the lifting plate (10), the other end of the material receiving cylinder is connected with the material receiving groove (46), and when a piston rod of the material receiving cylinder extends out, the material receiving groove (46) can be pushed to a position right below the plurality of filling heads (26).

4. A filling assembly with quick-change filling specifications as claimed in claim 1, wherein a plurality of mounting frames (20) are sequentially and horizontally slidably arranged on the lifting plate (10), and a plurality of filling heads (26) are respectively mounted on the mounting frames (20);

a telescopic unit is arranged between every two adjacent mounting frames (20), the telescopic unit comprises a first connecting rod (21) and a second connecting rod (22), one end of the first connecting rod (21) is hinged with one mounting frame (20), the other end of the first connecting rod (21) is hinged with one end of the second connecting rod (22), and the other end of the second connecting rod (22) is hinged with the other mounting frame (20);

still include adjustment mechanism, adjustment mechanism is including push pedal (30) that can reciprocate, push pedal (30) can act on simultaneously when reciprocating a plurality of telescopic unit is in order to realize a plurality of interval adjustment between mounting bracket (20).

5. A quick-change filling format filling assembly according to claim 4, wherein the telescopic unit further comprises a hinge shaft (24) and a roller (23), the first connecting rod (21) and the second connecting rod (22) are hinged by the hinge shaft (24), and the roller (23) is sleeved on one end of the hinge shaft (24); the push plate (30) is provided with a push sliding groove, the roller (23) is slidably arranged in the push sliding groove, and the wheel surface of the roller (23) is tangent to two side walls of the push sliding groove.

6. The filling assembly capable of rapidly changing the filling specification according to claim 5, wherein the adjusting mechanism further comprises a screw mechanism, the screw mechanism comprises an adjusting screw (34), a bracket (35) and an adjusting block (33), the bracket (35) is fixedly connected with the lifting plate (10), the adjusting screw (34) is rotatably connected with the bracket (35), the adjusting block (33) is fixedly connected with the push plate (30), the adjusting block (33) is in threaded connection with the adjusting screw (34), and the adjusting screw (34) can drive the push plate (30) to move up and down when rotating.

7. A filling assembly capable of changing filling specifications rapidly according to claim 6, wherein the screw rod mechanisms are provided in a plurality, and further comprise a plurality of chain transmission mechanisms (36), and two adjacent adjusting screws (34) in the plurality of screw rod mechanisms are in transmission connection through one chain transmission mechanism (36).

8. A filling assembly with a quick-change filling format according to claim 4, wherein the mounting frame (20) is provided with a hinge pin, and in two adjacent telescopic units, the first connecting rod (21) of one telescopic unit and the second connecting rod (22) of the other telescopic unit are hinged to the mounting frame (20) between the two telescopic units through the hinge pin.