CN114700730B

CN114700730B - Automatic production line for cup cover

Info

Publication number: CN114700730B
Application number: CN202210434094.8A
Authority: CN
Inventors: 彭龙; 董伟伟; 舒开湘; 汪晓波
Original assignee: Hangzhou Fulidong Intelligent Manufacturing Technology Co ltd
Current assignee: Hangzhou Fulidong Intelligent Manufacturing Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2023-10-13
Anticipated expiration: 2042-04-24
Also published as: CN114700730A

Abstract

The invention discloses an automatic cup cover production line which comprises a conveyor, a first cover body mounting device, a second cover body mounting device, a hardware mounting device, a cup cover pressing device and a cup belt mounting device, wherein the conveyor is used for conveying a cup cover structure of an upstream assembly station to a downstream assembly station. According to the invention, the cup cover structure, the hardware and the cup belt are assembled in sequence in a full-automatic manner through the plurality of assembly stations, manual operation is not needed, the assembled cup cover is not needed to be transported manually, the automation degree of the whole production process is high, and the assembly efficiency is greatly improved.

Description

Automatic production line for cup cover

Technical Field

The invention relates to the technical field of production equipment, in particular to an automatic production line for cup covers.

Background

The bowl cover is assembled by a plurality of structures such as upper cover, lower cover, handle, the hardware on the handle generally, and current bowl cover is assembled by the manual work generally, needs artifical installation hardware and the handle of punching during the assembly, and the operation is wasted time and energy, and work efficiency is not high. Along with the development of modern industry, the mode that semi-automatization manual participation is mostly adopted in current hardware and handle assembly, still has the low and higher problem of cost of labor of machining, and of course some hardware and handle assemblies of current also have the mode that adopts full automatization, and assembly line operation is carried out by a plurality of stations to hardware and handle assembly generally, and in hardware and handle can automatic assembly to the pinhole of bowl cover, improve work efficiency and effectively alleviate workman's intensity of labour.

The prior art discloses a handle assembling mechanism and cup cover assembling equipment (Chinese patent number: CN 201911422982.2), wherein a transfer driving piece is connected to a frame, a carrier plate is connected to the transfer driving piece, and a cup cover positioning station for positioning a cup cover and a handle positioning station for positioning a handle are arranged along the conveying direction. The bent edge driving piece is arranged on the frame, the two pushing plates are arranged on two opposite sides of the carrier plate and used for bending the handle, the two pushing plates are provided with avoiding holes and are connected to the bent edge driving piece, and the lifting handle is pushed to one side of the cup cover by the pushing plates under the driving of the bent edge driving piece. The two reaming members are arranged on two opposite sides of the carrier plate and correspond to the push plate, and the push plate moves relative to the reaming members under the drive of the crimping driving member, so that one reaming member extends into the connecting hole of the handle from one avoiding hole and is connected with Kong Chengkai.

The handle assembling mechanism of the invention greatly improves the assembling efficiency of the handle and the cup cover through the mutual matching of the flanging component and the reaming component, but the structure for clamping the cup belt is not arranged in the invention, and the bending pre-shaping of the cup belt can not be carried out while the hole of the cup belt is reamed, so the practicability is not strong; the cup belt transferring and assembling structure is complex, and the cup belt transferring and assembling structure is extremely easy to lead to the fact that the cup belt can not be connected to the cup cover due to insufficient reaming degree when the cup belt is assembled. In addition, the assembly of current bowl cover hardware only realizes the assembly work between round pin pole and the bowl cover, and the material loading of bowl cover still needs the manual work to operate, and the bowl cover of hardware also needs to carry out the manual work after the assembly and operate the transportation, and the degree of automation of whole operation process is not high, and whole assembly work efficiency is low.

Disclosure of Invention

The invention provides an automatic cup cover production line aiming at the defects in the prior art, which comprises a conveyor, a first cover body mounting device, a second cover body mounting device, a hardware mounting device, a cup cover pressing device and a cup belt mounting device, wherein the conveyor is used for conveying a cup cover structure of an upstream assembly station to a downstream assembly station. According to the invention, the cup cover structure, the hardware and the cup belt are assembled in sequence in a full-automatic manner through the plurality of assembly stations, manual operation is not needed, the assembled cup cover is not needed to be transported manually, the automation degree of the whole production process is high, and the assembly efficiency is greatly improved.

In order to solve the technical problems, the invention is solved by the following technical scheme:

the conveyor is used for conveying the cup cover structure of the upstream assembly station to the downstream assembly station, and a plurality of positioning mechanisms for carrying the cup cover structure are arranged on the conveyor;

the first cover body installation device comprises a first cover body reclaimer and a first cover body manipulator used for transferring the first cover body to the positioning mechanism;

the second cover body mounting device is positioned at the downstream of the first cover body mounting device and comprises a second cover body reclaimer and a second cover body manipulator for mounting the second cover body into the first cover body;

The hardware mounting device is positioned at the downstream of the second cover body mounting device and is used for mounting hardware on the third cover body and comprises a third cover body reclaimer, a feeding machine used for conveying the hardware and a mounting mechanism for mounting the hardware on a third cover body mounting hole;

the cup cover pressing device is positioned at the downstream of the hardware mounting device and comprises a jacking structure for upwards lifting the carrying base on the positioning mechanism, a pressing structure positioned above the jacking structure and a clamping structure positioned at the side of the jacking structure; the first cover body and the third cover body are pressed together through the cover pressing device to form a cover;

the cup belt mounting device is positioned at the downstream of the cup cover pressing device and comprises a clamping structure for clamping the cup belt, a cup belt mounting table for placing the cup cover and mounting the cup belt, an expanding structure for expanding mounting holes at two ends of the cup belt, a bending structure for bending the cup belt, a push belt structure for pushing the cup belt to be mounted on the cup cover, a first conveying member capable of moving along a first direction and a second conveying member capable of moving along a second direction.

Preferably, the positioning mechanism includes: a carrying base comprising a carrying tray which can be placed above the conveyor belt and move along with the conveyor belt, and a carrier assembly positioned above the carrying tray;

The positioning structure is positioned on the conveyor and comprises a substrate positioned below the conveyor, a lifting assembly penetrating through the substrate, a supporting plate assembly sleeved on the lifting assembly and driving the lifting assembly to synchronously move, and a cylinder connected with the supporting plate assembly; a stopper for stopping the carrying base from moving along with the conveying belt is arranged in front of the positioning structure;

when the carrying base moves to the positioning structure along the conveying belt, the stop device limits the carrying base to continuously move forwards and stop above the supporting plate component, the supporting plate component moves upwards through the air cylinder and the lifting component and pushes the carrying base to lift upwards, and the lower part of the carrying disc is separated from the conveying belt.

Preferably, the conveyor comprises a conveying mechanism and two lifting mechanisms, wherein the conveying mechanism is arranged along the transverse direction, the two lifting mechanisms are respectively positioned at two ends of the conveying mechanism, the conveying mechanism is used for conveying a carrying base of an upstream assembly station to a downstream assembly station, and the positioning structure is mounted on the conveying mechanism.

Preferably, the mounting mechanism comprises a supporting seat positioned on the mounting stand, a reaming structure positioned above the supporting seat and used for expanding the mounting hole of the first cover body, and a pressing-in structure used for pressing the hardware into the mounting hole of the first cover body;

The pressing structure comprises a pressing component capable of transversely reciprocating, a limiting component used for limiting hardware conveying and/or limiting the movement of the pressing component, and a blocking component used for blocking the hardware, one end of the pressing component, which is close to the reaming structure, is provided with a feeding channel which is longitudinally arranged and used for the hardware conveying, and part or all of the limiting component is positioned in the feeding channel and can longitudinally move along the feeding channel; the front portion of the pressing-in structure is provided with an induction component for inducing the position of hardware.

Preferably, the feeding machine comprises a feeding machine barrel for accommodating hardware and a vibration disc for conveying the hardware to the mounting mechanism, wherein conveying channels for conveying the hardware are formed in two sides of the vibration disc;

the outlet end of vibration dish is located the transfer platform bottom plate top of structure of impressing, conveying channel is linked together with feed channel, when the hardware is in the pre-compaction income position along feed channel transport and response component induction hardware, spacing component moves towards the direction of keeping away from the hardware, just press the material component to move and push hardware to the bowl cover mounting hole towards the direction that is close to the reaming structure.

Preferably, the reaming structure comprises: the reaming boss is positioned on the supporting seat and used for placing the cup cover, a moving channel which is transversely arranged is arranged in the middle of the reaming boss, and reaming channels which are transversely arranged and communicated with the moving channel are arranged on two sides of the reaming boss;

The reaming pins are provided with at least two reaming pins and respectively penetrate through the reaming channels;

the reaming driving piece comprises at least two connecting arms connected with the reaming pin and positioned in the moving channel and an air claw connected with the lower part of the connecting arms; when the air claw drives the connecting arm to transversely move along the moving channel, the connecting arm synchronously drives the reaming pin to transversely move along the reaming channel.

Preferably, the jacking structure is used for lifting the carrying base carrying the cup cover upwards and comprises a fixed bottom plate, a jacking cylinder connected below the fixed bottom plate and a jacking assembly connected with a cylinder pull head at the upper end of the jacking cylinder;

the pressing structure is used for tightly pressing the cup cover lifted by the jacking component and comprises a pressing plate and a plurality of pressing components which are connected to the pressing plate and are correspondingly arranged with the cup cover.

Preferably, the expanding structure comprises a fixed seat, two first driving members connected to the fixed seat and capable of moving along a first direction, and two expanding pieces respectively connected to the mutually far sides of the two first driving members;

the bending structure is positioned below the clamping structure and is close to the expanding piece, and comprises a positioning member which can be abutted against one side of the length direction of the cup belt, a bending member which can be abutted against the other side of the length direction of the cup belt, a second driving member which drives the positioning member and the bending member to move along a second direction, and a third driving member which drives the second driving member to move along a third direction; the bending member comprises at least two bending wheels which are arranged at intervals, and the two bending wheels can respectively drive the two ends of the cup belt to bend and are sleeved on the expansion piece;

The push belt structure comprises a push belt base positioned on the first conveying member, a first push member used for connecting the cup belt and connected to the push belt base, a second push member used for pushing the cup belt to hardware and connected to the push belt base, and a first push belt driving piece and a second push belt driving piece for driving the first push member and the second push member to move along a first direction.

Preferably, the positioning component comprises a positioning base positioned at the upper end of a sliding table of the second driving component and a positioning piece positioned at the upper end of the positioning base; the locating piece includes the block of block connection on the location base and connects perpendicularly in the locating plate that the locating support block is close to the component end of bending, the centre separation of locating plate is provided with two confession and presss from both sides the constant head tank that clamping jaw on the structure passed through.

Preferably, the bending component comprises a bending base positioned at the upper end of the other sliding table of the second driving component, two bending supporting seats positioned at the upper end of the bending base, and two bending wheels respectively connected with the two bending supporting seats and close to the end of the positioning plate; the two bending supporting seats are arranged in a separated mode and gradually incline inwards towards the direction close to the positioning plate;

the bending structure further comprises a limiting member for limiting excessive bending of the cup belt; the limiting member comprises a limiting supporting seat vertically connected to the second driving member, a limiting driving piece connected to the upper end of the limiting supporting seat, and a limiting rod connected to the limiting driving piece and close to the bending wheel end.

The application mainly has the following beneficial effects:

the cup cover structure comprises a conveyor, a first cover body mounting device, a second cover body mounting device, a hardware mounting device, a cup cover pressing device and a cup belt mounting device, wherein the conveyor is used for conveying a cup cover structure of an upstream assembly station to a downstream assembly station. According to the application, the cup cover structure, the hardware and the cup belt are assembled in sequence in a full-automatic manner through the plurality of assembly stations, manual operation is not needed, the assembled cup cover is not needed to be transported manually, the automation degree of the whole production process is high, and the assembly efficiency is greatly improved.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is an overall schematic diagram of an automatic production line for cup lids according to an embodiment of the present application.

Fig. 2 is an overall schematic view of an automatic mounting device for cap hardware according to an embodiment of the present application.

Fig. 3 and 4 are schematic diagrams of a lid hardware mounting platform according to an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a portion of fig. 4 according to an embodiment of the present invention.

FIG. 6 is a partial schematic view of a lid hardware mounting platform according to one embodiment of the present invention.

Fig. 7 and 9 are schematic diagrams of a lid hardware mounting mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of a press-in structure according to an embodiment of the invention.

Fig. 10 is an exploded view of a press-in structure according to an embodiment of the present invention.

Fig. 11 is a schematic view of a pressing member according to an embodiment of the present invention.

Fig. 12 is a schematic view of a material blocking member according to an embodiment of the present invention.

Fig. 13 is an overall schematic view of a reaming structure according to an embodiment of the present invention.

Fig. 14 is a schematic view of a reamer pin and reamer drive as disclosed in an embodiment of the present invention.

Fig. 15 is a schematic view of a reaming boss according to an embodiment of the present invention.

Fig. 16-18 are schematic views of a cup belt, hardware and cap according to an embodiment of the present invention.

Fig. 19 is an overall schematic view of an automatic cup belt mounting apparatus according to an embodiment of the present invention.

FIG. 20 is an overall schematic view of a cap mounting pre-form mechanism according to one embodiment of the present invention.

Figures 21-23 are schematic illustrations of an expanded configuration as disclosed in one embodiment of the present invention.

FIG. 24 is a schematic view of an extender disclosed in an embodiment of the present invention.

Fig. 25 is a schematic view of a bending structure according to an embodiment of the present invention.

Fig. 26 and 27 are schematic views of a positioning member and a bending member according to an embodiment of the present invention.

Fig. 28 is a schematic view of a third driving member according to an embodiment of the present invention.

Fig. 29 is a schematic view of a gripping structure according to an embodiment of the present invention.

Fig. 30 is an overall schematic view of a transfer mounting mechanism according to an embodiment of the present invention.

Fig. 31 is a schematic view of a conveying structure and a pushing belt structure according to an embodiment of the present invention.

Fig. 32 is a schematic diagram of a push belt structure according to an embodiment of the present invention.

Fig. 33 is a schematic view of a first pushing member according to an embodiment of the present invention.

Fig. 34 is a schematic view of a second pushing member according to an embodiment of the present invention.

Fig. 35 is a schematic view of a conveying structure according to an embodiment of the present invention.

FIG. 36 is a schematic view of a cup belt mounting table according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1-36, as a first embodiment of the present invention, an automatic lid production line is disclosed, mainly for mounting a cup strip 1002 and hardware 1001 onto a lid 100, comprising a conveyor 300 for conveying a lid structure of an upstream assembly station to a downstream assembly station, a first lid mounting device 501, a second lid mounting device 502, a hardware mounting device 503, a lid pressing device 504, and a cup strip mounting device. Wherein the conveyor 300 is used for conveying the cup cover structure of the upstream assembly station to the downstream assembly station, and a plurality of positioning mechanisms 2 for carrying the cup cover structure are arranged on the conveyor 300; the first cover mounting device 501 includes a first cover reclaimer 511 and a first cover manipulator 512 for transferring the first cover onto the positioning mechanism 2; the second cover mounting device 502 is located downstream of the first cover mounting device 501 and includes a second cover reclaimer 521 and a second cover robot 522 for mounting the second cover into the first cover; the hardware mounting device 503 is located downstream of the second cover mounting device 502 and is used for mounting hardware on the third cover, and includes a third cover reclaimer, a feeder for conveying the hardware, and a mounting mechanism for mounting the hardware on the third cover mounting hole; the cup cover pressing device 504 is positioned at the downstream of the hardware mounting device 503 and comprises a jacking structure for lifting the carrying base on the positioning mechanism upwards, a pressing structure positioned above the jacking structure and a clamping structure positioned at the side of the jacking structure; the first cover body and the third cover body are pressed together through the cover pressing device to form a cover; the cup belt mounting means is located downstream of the cup belt pressing means 504 and comprises a clamping structure 101 for clamping the cup belt, a cup belt mounting table 22 for placing the cup belt and mounting the cup belt, an expanding structure 102 for expanding mounting holes at two ends of the cup belt, a bending structure 103 for bending the cup belt, a belt pushing structure 23 for pushing the cup belt onto the cup belt, a first conveying member 211 movable in a first direction and a second conveying member 212 movable in a second direction. According to the invention, the cup cover structure, the hardware and the cup belt are assembled in sequence in a full-automatic manner through the plurality of assembly stations, manual operation is not needed, the assembled cup cover is not needed to be transported manually, the automation degree of the whole production process is high, and the assembly efficiency is greatly improved.

As another embodiment of the present invention, the conveyor 300 includes a conveying mechanism 301 arranged in a transverse direction, and two lifting mechanisms 302 respectively located at both ends of the conveying mechanism 301, the conveying mechanism 301 being for conveying the carrying base 1 of the upstream assembling station to the downstream assembling station, and the positioning structure 2 being mounted on the conveying mechanism 301 and arranged in correspondence with the assembling station. Thus, during assembly of the cap in the line, the positioning structure 2 is fixed to the assembly station area of the transfer mechanism 301, and the carrying base 1 moves with the conveyor belt on the transfer mechanism 301, while the lifting mechanism 302 mainly transfers the carrying base 1 on one conveying path to another conveying path.

As another embodiment of the present invention, the positioning mechanism mainly comprises a carrying base 1 and a positioning structure 2, wherein the carrying base 1 comprises a carrying tray 11 which can be placed above a conveyor belt of a production line and move along with the conveyor belt, and a carrying assembly 12 which is positioned above the carrying tray 11; the positioning structure 2 is located on a conveying frame of a conveying belt and comprises a base plate 21 located below the conveying frame, a lifting assembly 22 penetrating through the base plate 21, a supporting plate assembly 23 sleeved on the lifting assembly 22 and driving the lifting assembly 22 to synchronously move, and an air cylinder 24 connected with the supporting plate assembly 23, wherein a stopper 25 for blocking the carrying base 1 to move along with the conveying belt is arranged in front of the positioning structure 2. Thus, as the carrier base 1 moves along the conveyor belt onto the positioning structure 2, the stop 25 limits the carrier base 1 from continuing to move forward and stopping above the pallet assembly 23, the pallet assembly 23 moves upward via the air cylinder 24 and the lift assembly 22 and pushes the carrier base 1 upward, and the underside of the carrier plate 11 is disengaged from the conveyor belt. During specific operation, the carrying base 1 moves along with the conveyor belt, the stopper 25 senses the approaching of the carrying base 1 and when the carrying base 1 is positioned above the supporting plate assembly 23, the air cylinder 24 and the lifting assembly 22 move upwards, so that the supporting plate assembly 23 lifts the carrying base 1 upwards, the carrying tray 11 is far away from the conveyor belt, and at the moment, the carrying base 1 is in a stable state, so that a mechanical arm on an assembly station can conveniently place a cup cover structure to be assembled on the carrier assembly 12, or the cup cover structure to be assembled is installed on another cup cover structure; after the placement or assembly of the cup cover structure is completed, the supporting plate assembly 23 moves downwards, so that the lower part of the carrying disc 11 is positioned on the conveying belt, and the carrying base 1 moves to the next assembly station along with the conveying belt, so that the positioning mechanism not only can carry the cup cover structure, but also can push the carrying base upwards to keep stable when the carrying base reaches the positioning structure, and the placement or assembly of the cup cover structure is facilitated.

As another embodiment of the present invention, the hardware mounting device includes a mounting stand 700, mounting stations located at both sides of the mounting stand 700 for transporting and mounting hardware, a rotatable feeding robot 93 located at the front side of the mounting stand 700, and a rotatable discharging robot 94 located at the rear side of the mounting stand; the front of the feeding manipulator 93 is provided with a third cover reclaimer 97 for placing a cup cover to be assembled, the rear of the discharging manipulator 94 is provided with a production line 98 and a plurality of positioning mechanisms 981 which are positioned on the production line 98 and used for carrying the cup cover, and the discharging manipulator 94 is also provided with an auxiliary detection structure 96 for placing the cup cover to the positioning mechanisms. Specifically, the mounting station includes a reamer structure 600 for extending the mounting hole of the cap, a press-in structure 800 for pressing the hardware into the mounting hole of the cap, and a feeder 9 for conveying the hardware to the press-in structure. While the feeding robot 93 transfers the cap from the third cap reclaimer 97 to the reaming structure 600, the loader 9 transfers the hardware to the press-in structure 800 and pushes the hardware onto the cap mounting hole, and the discharging robot 94 transfers the cap with the assembled hardware to the positioning mechanism 981 and along the production line to the downstream assembly station. Therefore, in the invention, the two installation stations are provided, namely, two operation lines for conveying and installing hardware are provided, the feeding manipulator 93 can transport the cup covers for the installation stations on the two sides, and the discharging manipulator 94 can transport the cup covers assembled with the hardware from the installation stations on the two sides to the production line, so that the overall structure of the cup cover hardware installation platform is reasonable in arrangement. Compared with the existing cup cover assembly equipment, the mounting platform is generally provided with only one hardware assembly line, or the cup cover to be assembled needs to be manually transported or the assembled cup cover needs to be manually transported away, so that time and labor are wasted. In the specific operation process of the invention, the feeding mechanical arm 93 transfers the cup cover to be assembled to the reaming structure 600, the feeding machine 9 conveys the hardware to the pressing structure 800 and pushes the hardware to the cup cover mounting hole, after the hardware is assembled to the cup cover, the discharging mechanical arm 94 transfers the cup cover assembled with the hardware to the positioning mechanism 981 of the production line, the positioning mechanism 981 is conveyed to the next assembly station along the production line, manual operation is not needed in the whole process of transporting and assembling the cup cover and the hardware, the whole working efficiency is greatly improved, and the automation degree is extremely high.

As another embodiment of the present invention, the feeding manipulator 93 includes a first mechanical arm 931 and a first clamping structure 932 connected to a driving end of the first mechanical arm 931, a first base 933 fixedly connected to a front side of the mounting stand 700 is disposed at a bottom end of the first mechanical arm 931, the discharging manipulator 94 includes a second mechanical arm 941 and a second clamping structure 942 connected to a driving end of the second mechanical arm 941, and a second base 943 fixedly connected to a rear side of the mounting stand 700 is disposed at a lower end of the second mechanical arm 941. Therefore, in the present invention, the first mechanical arm 931 can rotate 360 ° relative to the first base 933 and synchronously drive the first gripping structure 932, so the first mechanical arm 931 can rotate above the material taking mechanism, then the first gripping structure 932 grips the cap, then the first mechanical arm 931 rotates above the reaming structure 600, and then the gripped cap is placed on the reaming structure 600 by the first gripping structure 932, so as to facilitate the installation of hardware; similarly, the second mechanical arm 931 may be rotated above the reaming structure 600, then the second clamping structure 942 clamps the cap of the assembled hardware, then the second mechanical arm 942 is rotated above the line positioning mechanism 981, and then the clamped cap is placed on the carrying base by the second clamping structure 942, so that the carrying base is transported to the downstream assembly station along the conveyor belt of the line. As another embodiment of the present invention, the first gripping structure 932 or the second gripping structure 942 includes at least one pair of jaws 951 for gripping a cap, a jaw drive 952 located above the jaws 951, and a speed control valve 953 located on the jaw drive 952. Therefore, in the invention, a pair of clamping jaws 951 are arranged on each clamping structure, and the clamping speed of the clamping jaws 951 can be regulated through a speed control 953, so that the working efficiency is ensured and the stability of clamping the cup cover is ensured.

As another embodiment of the present invention, the auxiliary detecting structure 96 is used for photographing and monitoring the position of the cup cover when the cup cover is placed on the positioning mechanism 981, and includes a fixed connection base, an industrial camera located on the fixed connection base, and a lens and an aperture located under the industrial camera. Therefore, in the present invention, the auxiliary detecting structure 96 moves along with the discharging manipulator 94, and can shoot and monitor whether the cup cover is accurately placed on the positioning mechanism 981 when the cup cover is placed on the positioning mechanism 981, although in other embodiments, the auxiliary detecting structure 96 may be installed on the feeding manipulator 93, so as to shoot and monitor the first manipulator 931 to clamp the cup cover from the third cover reclaimer 97, so as to avoid the offset when the cup cover is placed or clamped.

As another embodiment of the present invention, the mounting stand 700 includes a mounting frame 711, a frame plate 712 positioned above the mounting frame 711, and an electric cabinet positioned within the mounting frame 711; the electric cabinet is electrically connected with the first manipulator 931 and the second manipulator 932, two supporting seats 701 which are oppositely arranged are arranged on two sides above the frame plate 712, a first base 933 and a second base 943 which are oppositely arranged are arranged, and the reaming structure 600 and the pressing structure 800 are both located above the supporting seats 701.

As another embodiment of the present invention, the feeder 9 includes a feeder barrel 91 accommodating the hardware, and a vibration plate 92 conveying the hardware to the press-in structure 800, the vibration plate 92 is disposed toward a direction close to the mounting stand 700, and both sides of the vibration plate 92 are provided with conveying passages 900 for conveying the hardware. As another embodiment of the present invention, the support 701 is further provided with at least two sensing members 84 for sensing the position of the hardware, and the two sensing members 84 are respectively located at two sides of the outlet end of the vibration plate 92. Therefore, in the present invention, the hardware is transferred to the press-in structure 800 along the two conveying channels 900 of the vibration disc 92, and the sensing members 84 at two sides of the outlet end of the vibration disc can sense whether the hardware is in a pre-press state, so as to avoid the situation that the hardware is offset or cannot be aligned with the cup cover mounting hole when being pressed into the cup cover mounting hole, and improve the stability and reliability of the hardware during assembly.

As another embodiment of the present invention, the pressing structure 800 includes a pressing member 81 reciprocally movable in a lateral direction, a limiting member 82 for limiting the transportation of the hardware and/or limiting the movement of the pressing member 81, and a blocking member 83 for blocking the hardware, wherein one end of the pressing member 81 near the reaming structure 600 is provided with a feeding channel 801 for transporting the hardware arranged in a longitudinal direction, and part or all of the limiting member 82 is located in the feeding channel 801 and is longitudinally movable along the feeding channel 801. The exit end of this vibration dish 92 is located the transfer platform bottom plate top of impressing structure 800, and conveying channel is linked together with feed channel 801, and when the hardware was in the pre-compaction income position along feed channel 801 transport and sensing member 84 sensing hardware, spacing member 82 moves towards the direction of keeping away from the hardware, and presses material member 81 to move and push hardware to the bowl cover mounting hole towards the direction that is close to reaming structure 600. Therefore, in the present invention, the hardware is fed to the press-in structure 800 through the feeding machine 9 in a double way, the reaming structure 600 is convenient for installing the hardware on the mounting hole of the cup cover, so as to improve the working efficiency and the stability of the hardware during assembly, and the pressing member 81 can move laterally to assemble the hardware on both sides or one side of the cup cover, although in other embodiments, the assembly of the hardware can be performed on the pin hole between the two covers, the application range is wide, and the limiting member 82 can limit the continuous conveying of the hardware and limit the movement of the pressing member 82 in the non-working state, so as to improve the controllability and stability of the installation station during operation.

As another embodiment of the present invention, the pressing member 81 includes a pressing chute 811 located at an upper end of the supporting seat 701, a pressing slider 812 moving relative to the pressing chute 811, and a chute cover plate 813 located above the pressing chute 812 and used for fixing the pressing slider 812, wherein a pressing driving member 814 for driving the pressing slider 812 to reciprocate laterally is disposed at an end of the pressing slider 812 away from the reaming structure 600. As another embodiment of the present invention, the pressing slider 812 includes a first sliding portion 8121 located in the pressing chute 811, a second sliding portion 8122 connected to one end of the first sliding portion 8121 and connected to the pressing driver 814, and a third sliding portion 8123 connected to the other end of the first sliding portion 8122 and close to the reaming structure 600; the third sliding portion 8123 is provided with the feeding channel 801 at an end far from the first sliding portion 8121, and a limiting channel 8120 which is arranged along the longitudinal direction and is connected with a part of the limiting member 82 is further provided on the third sliding portion 8123. Therefore, in the present invention, the pressing driver 814 is connected to the first sliding portion 8121 and drives the second sliding portion 8122 and the third sliding portion 8123 synchronously, and since part of the limiting member 82 is connected to the feeding channel 801 of the third sliding portion 8123, the limiting member 82 and the hardware in the feeding channel 801 are also driven synchronously, when the hardware is to be mounted on the mounting hole of the cup cover, the limiting member 82 moves longitudinally and away from the hardware, and at this time, the pressing member 81 is not constrained by the limiting member 82, and the pressing member 81 can move laterally and approach the cup cover, so that the hardware is mounted on the mounting hole of the cup cover.

As another embodiment of the present invention, the limiting member 82 includes a first limiting bar 821 located in the feeding channel 801, a second limiting bar 822 located in the limiting channel 8120 and disposed parallel to the first limiting bar 821, and a first plate body and a second plate body respectively located at one end of the first limiting bar 821 and the second limiting bar 822 away from the hardware and connected to each other, and the first plate body and/or the second plate body end is provided with a limiting driving member 823 for driving the first limiting bar 821 and the second limiting bar 822 to longitudinally reciprocate. Therefore, in the present invention, not all the limiting members 82 are located in the feeding channel 801, but are divided into the first limiting bar 821 and the second limiting bar 822, because the first limiting bar 821 may be separated from the feeding channel 801 when moving longitudinally during the actual operation, and the second limiting bar 822 may be connected to the third sliding portion 8123 when moving longitudinally in the limiting channel 8120, and further play a stable role, so as to avoid the first limiting bar 821 from being deviated or separated. As another embodiment of the present invention, a limiting groove 8211 for fixing or limiting the continuous conveying of the hardware is provided at one end of the first limiting bar 821 near the hardware, and the limiting groove 8211 is concavely formed toward the first plate and is matched with the hardware, so that in the present invention, the limiting groove 8211 is matched with the hardware, and the hardware can be clamped in the limiting groove 8211, thereby limiting the continuous movement of the hardware along the feeding channel 801.

As another embodiment of the present invention, the blocking member 83 includes a blocking base 831 positioned in front of the pressing slider 812 and close to the inlet of the feeding channel 801, a blocking plate 832 positioned above the blocking base 831, two stoppers 833 perpendicular to the lower side of the blocking base 831 and reciprocally movable up and down, and a blocking driver 834 for driving the stoppers 833 to move; the material blocking base 831 is provided with a material blocking channel 8301 which is longitudinally arranged and communicated with the feeding channel 801, and two lifting channels 8302 which are separately arranged, and two stop blocks 833 are respectively positioned in the two material blocking channels 833 and form a constraint area of constraint hardware with the material blocking base 831. In the invention, the hardware is installed one by one, and a plurality of hardware will be connected or abutted against each other in the transmission process, so when the material pressing component 81 pushes the first hardware, the second hardware adjacent to the first hardware will be driven, and for this reason, the material blocking component 83 can separate the first hardware from the second hardware, so as to avoid that the first hardware drives the second hardware synchronously.

As another embodiment of the present invention, the upper end of the first sliding portion 8121 is provided with a sensing notch 840 for sensing hardware by the sensing member 84, and the sensing notch 840 is communicated with the feeding channel 801; the sensing member 84 includes a first sensing bracket 841 connected to the supporting seat and located at the side of the feeding channel 801, a second sensing bracket 842 connected to the upper side of the first sensing bracket 841 and capable of rotating relative to the first sensing bracket 841, and an optical fiber unit 843 connected to the second sensing bracket 842, where the light of the optical fiber unit 843 can be irradiated to the sensing notch 840 and sense the hardware in the feeding channel 801, so that the hardware can be accurately pushed into the mounting hole of the cup cover, and the hardware is prevented from being deviated.

As another embodiment of the present invention, the reaming structure 600 mainly includes a reaming boss 61, a reaming pin 62 and a reaming driving member 63, wherein the reaming boss 61 is located on a supporting seat of the pressing structure and is provided for placing a cup cover, a moving channel 601 arranged along a transverse direction is provided in the middle of the reaming boss 61, and reaming channels 602 arranged along a transverse direction and communicated with the moving channel 601 are provided at two sides of the reaming boss 61; the reaming pins 62 are provided with at least two reaming pins and respectively penetrate into the reaming channels 602; the reamer drive 63 includes at least two connecting arms 631 connected to the reamer pins 62 and located within the travel channel 601, and a gas claw 632 connected to the underside of the connecting arms 631. Therefore, in the actual operation process, when the reaming pin 62 expands the cup cover mounting hole, the air claw 632 is led to make the connecting arm 631 move transversely along the moving channel 601, and the connecting arm 631 synchronously drives the reaming pin 62 to move transversely along the reaming channel 602, so as to expand the cup cover mounting hole, thereby facilitating the mounting of hardware such as hardware. Compared with the existing cup cover assembly equipment, the cup cover assembly equipment is not provided with the pin hole expansion mechanism, so that the situation that the pin rod cannot be installed in place or cannot be installed and clamped to the pin hole easily occurs when the pin rod is installed if the aperture of the pin hole is too small, and the pin rod is easily separated from the pin hole if the aperture of the pin hole is too large.

As another embodiment of the present invention, the reaming boss 61 includes a first boss portion 611 and a second boss portion 612 that are separable from each other, and the reaming passages 602 are provided on mutually distant sides of the first boss portion 611 and the second boss portion 612, respectively. As another embodiment of the present invention, mutually adjacent sides of the first boss portion 611 and the second boss portion 612 are respectively concave inward into a first notch 6111 and a second notch 6112, and the first notch 6111 and the second notch 61112 surround the movement passage 601. Therefore, in the present invention, the hole enlarging boss 61 is divided into the first boss portion 611 and the second boss portion 612, and the first boss portion 611 and the second boss portion 612 are respectively recessed to form the moving channel 601, on the one hand, in order to facilitate the installation of the hole enlarging pin 62, and on the other hand, in order to match the cup cover with more diameters, when the first boss portion 611 and the second boss portion 612 are close to or abut against each other, the diameter of the whole hole enlarging boss 61 is small, a cup cover with a small diameter can be placed, and when the first boss portion 611 and the second boss portion 612 are far from each other, the diameter of the whole hole enlarging boss 61 is small, and a cup cover with a large diameter can be placed, so that the distance between the first boss portion 611 and the second boss portion 612 can be adjusted according to the model size of the cup cover to fit more cup covers.

As another embodiment of the present invention, the lateral length of the reamer pin 62 is greater than the length of the reamer channel 602, and one end of the reamer pin 62 penetrates the reamer channel 602 to the outside, and the other end is located in the moving channel 601 and connected to one side of the connection arm 631, so that the reamer pin protrudes out of the reamer boss 61 into the cap mounting hole. As another embodiment of the present invention, the connecting arm 632 longitudinally penetrates the reaming channel 602, and a connecting hole is formed at the upper portion of the connecting arm 632 and is arranged in a transverse direction, and one end of the reaming pin 62, which is close to the connecting arm 631, is clamped in the connecting hole, so as to be beneficial to enhancing the stability of the structure.

As another embodiment of the present invention, the air jaw 632 includes a driving cylinder 6321, a fixing base 6322 above the driving cylinder 6321, and at least two driving members 6323 above the fixing base 6322 and connected to the connection arm 632, and a driving groove 6324 for the driving members 6323 to move in a lateral direction is provided at an upper end of the fixing base 6322. As another embodiment of the present invention, the driving member 6323 includes a driving block 641 positioned in the driving groove 6324 and a driving arm 642 connected to the connecting arm 631. Therefore, in the actual operation process, when the reaming pin 62 expands the cup cover mounting hole, the driving cylinder 6321 drives the driving block 641 to move transversely along the driving groove 6324, and the driving block 641 synchronously drives the driving arm 642 and drives the connecting arm 631 to move transversely along the moving channel 601, so that the driving of the air claw 632 is direct and efficient.

As another embodiment of the present invention, the lower portion of the connecting arm 631 is further provided with a clamping groove for the driving arm 642 to be in clamping connection, and the two clamping grooves are located on the mutually far sides of the two connecting arms 631, so as to avoid collision of the driving arm 642 in the process of mutually approaching the connecting arms 631, and the structural arrangement is reasonable and reliable. As another embodiment of the present invention, the present invention further includes a transfer table base plate 65 for supporting the reaming boss 61, the transfer table base plate 65 being provided with a base plate channel 651 through which the connection arm 631 penetrates and moves, the base plate channel 651 being disposed in a lateral direction and communicating with the moving channel 601, the transfer table base plate 65 being mainly used for supporting the reaming boss 61 or other structural member. As another embodiment of the present invention, the air claw 632 further includes an air cylinder fixing plate 6325, one side of the air cylinder fixing plate 6325 is fixedly connected with the driving air cylinder 6321, and the upper end of the air cylinder fixing plate 6325 is fixedly connected with the transfer platform base plate 65, so that the air cylinder fixing plate 6325 can be used for fixing the air claw 632, and shaking generated when the air claw 632 is driven is avoided, so as to improve overall stability.

As another embodiment of the invention, the conveyor comprises a conveying mechanism arranged in the transverse direction and two lifting mechanisms respectively positioned at two ends of the conveying mechanism, the conveying mechanism is used for conveying the carrying base of the upstream assembly station to the downstream assembly station, and the positioning structure is mounted on the conveying mechanism.

As another embodiment of the invention, the jacking structure is used for lifting the carrying base carrying the cup cover upwards and comprises a fixed bottom plate, a jacking cylinder connected below the fixed bottom plate and a jacking assembly connected with a cylinder pull head at the upper end of the jacking cylinder; the pressing structure is used for tightly pressing the cup cover lifted by the jacking component and comprises a pressing plate and a plurality of pressing components which are connected to the pressing plate and are correspondingly arranged with the cup cover.

As another embodiment of the invention, the positioning mechanism 981 comprises a carrier base 1 and a positioning structure 2, wherein the carrier base 1 comprises a carrier tray 11 that can be placed over an in-line conveyor belt with movement of the conveyor belt, and a carrier assembly 12 positioned over the carrier tray 11; the positioning structure 2 is located on a conveying frame of a conveying belt and comprises a base plate 21 located below the conveying frame, a lifting assembly 22 penetrating through the base plate 21, a supporting plate assembly 23 sleeved on the lifting assembly 22 and driving the lifting assembly 22 to synchronously move, and an air cylinder 24 connected with the supporting plate assembly 23, wherein a stopper 25 for blocking the carrying base 1 to move along with the conveying belt is arranged in front of the positioning structure 2. Thus, as the carrier base 1 moves along the conveyor belt onto the positioning structure 2, the stop 25 limits the carrier base 1 from continuing to move forward and stopping above the pallet assembly 23, the pallet assembly 23 moves upward via the air cylinder 24 and the lift assembly 22 and pushes the carrier base 1 upward, and the underside of the carrier plate 11 is disengaged from the conveyor belt. During specific operation, the carrying base 1 moves along with the conveyor belt, the stopper 25 senses the approaching of the carrying base 1 and when the carrying base 1 is positioned above the supporting plate assembly 23, the air cylinder 24 and the lifting assembly 22 move upwards, so that the supporting plate assembly 23 lifts the carrying base 1 upwards, the carrying tray 11 is far away from the conveyor belt, and at the moment, the carrying base 1 is in a stable state, so that a mechanical arm on an assembly station can conveniently place a cup cover structure to be assembled on the carrier assembly 12, or the cup cover structure to be assembled is installed on another cup cover structure; after the placement or assembly of the cup cover structure is completed, the supporting plate assembly 23 moves downwards, so that the lower part of the carrying disc 11 is positioned on the conveying belt, and the carrying base 1 moves to the next assembly station along with the conveying belt, so that the positioning mechanism not only can carry the cup cover structure, but also can push the carrying base upwards to keep stable when the carrying base reaches the positioning structure, and the placement or assembly of the cup cover structure is facilitated.

As another embodiment of the present invention, the positioning structure 2 further includes a platen assembly 26 for restricting the carrier base 1 from continuing to move upward; the pressing plate assembly 26 includes two fixing plates 261 respectively connected to two side ends of the base plate 21 and perpendicular to the base plate 21, and pressing plates 262 connected to the upper end or side end of the fixing plates 261 and perpendicular to the fixing plates 261, wherein the two fixing plates 261 are respectively located at two sides of the carriage along the length direction, and the pressing plates 262 protrude from the inner sides of the fixing plates 261. In the present invention, the fixed plates 261 are vertically connected to both side ends of the base plate 21, the pressing plates 262 are vertically connected to the upper end or the inner side of the fixed plates 261, and the pressing plates 262 on the two fixed plates 261 are respectively close to each other pressing plate 262. Thus, during actual operation, when the carrier base 1 is pushed by the supporting plate assembly 23 to move upward, the lower end of the pressing plate 262 may abut against the upper end of the carrier base 1 to limit the carrier base 1 from continuing to move upward.

As another embodiment of the present invention, the pallet assembly 23 includes a pallet 231 disposed in parallel with the substrate 21, a plurality of pins 232 penetrating through the pallet 231, and a plurality of connection pins 233 penetrating through the pallet 232, upper ends of the pins 232 and 233 protruding from upper ends of the pallet 231, and lower ends of the pins 232 and 233 are fixed to the pallet 231 by fasteners. In the present invention, the middle of the supporting plate 231 is fixedly connected with the air cylinder 24, the supporting plate 231 is sleeved on the lifting assembly 22 and is fixed with the lifting assembly 22, so that when the air cylinder 24 pushes upwards, the air cylinder 24 drives the supporting plate 231 and the lifting assembly 22 to move upwards relative to the base plate 21, the supporting rods 232 above the supporting plate 231 are abutted against the lower end of the carrying tray 11, and the connecting pins 233 can be connected to the carrying tray 11 in a penetrating manner. As another embodiment of the present invention, carrier assembly 12 includes a carrier plate 121 attached above carrier tray 11, and a plurality of carriers 122 for placement of cup lids and above the carrier plate; in the actual operation process, when the lower part of the carrying tray 11 is separated from the conveyor belt, the upper end of the supporting rod 232 is in abutting connection with the lower end of the carrying tray 11, the upper end of the carrying plate 121 is in abutting connection with the lower end of the pressing plate 262, so that the carrying tray 11 is pushed upwards by the supporting rod 232, and the carrying plate 121 can prevent the carrying base 1 from excessively moving upwards, so that the carrying base 1 is ensured to be in the operating range of the assembly station.

As another embodiment of the present invention, the lifting assembly 22 includes at least one pair of guide shafts 221 penetrating through the base plate 21, and a bearing member 222 sleeved on the guide shafts 221 and connected to the base plate 21, and the supporting plate 231 is sleeved above the guide shafts 221 and drives the guide shafts 221 to move up and down relative to the bearing member 222; the elevation assembly 22 further includes a limiting plate 223 for limiting the upward movement of the guide shafts 221, and a stopper 224 coupled to the limiting plate 223, the limiting plate 223 being coupled to the lower ends of the adjacent guide shafts 221. Therefore, in the actual operation, the air cylinder 24 drives the supporting plate 231 and the guide shaft 221 to move up and down relative to the bearing member 222, and when the supporting plate 231 moves upward, the supporting rods 232 on the supporting plate 231 push the carrying tray 11. As another embodiment of the present invention, the carrier plate 11 is provided with a first connection channel 1111, the carrier plate 121 is provided with a second connection channel 1112 corresponding to the first connection channel 1111, specifically, the carrier plate 11 includes an inner plate 111 for connecting a supporting rod and a connection pin, and an outer frame 112 connectable to a conveyor belt, the inner plate 111 is connected to the middle of the outer frame 112, and the inner plate 111 and the outer frame 112 are provided with the first connection channel 1111. Therefore, in the actual operation process, when the supporting rods 232 on the supporting plate 231 push the carrying tray 11 upwards, the lower part of the carrying tray 11 is separated from the conveyor belt, and the connecting pins 233 penetrate into the first 1111 and the second 1112 connecting channels, so that the stability of the carrying base 1 is further improved, and the shaking of the carrying tray 11 after the supporting rods 232 push the carrying tray 11 to rise is avoided.

As another embodiment of the present invention, the carrier plate 121 is provided with an unlocking member 4 for locking or unlocking the inner cup cover of the carrier 122. The unlocking member 4 comprises a push rod 41 capable of moving along the upper end of the carrier plate 121, and an unlocking portion 42 located at the front end of the push rod 41, wherein an unlocking channel 1220 matched with the unlocking portion 42 is provided on the carrier 122, and when the push rod 41 is driven to move forward by an external force, the unlocking portion 42 moves synchronously with the push rod 41 and is separated from the unlocking channel 1220. In the process that the carrying base moves along with the conveying belt, the cup cover can shake and displace in the carrier 122, the influence on the error of the assembly work of the next procedure is large, and the mutual positioning and matching between the structures cannot be realized. Therefore, in the invention, the unlocking piece 4 locks the cup cover to greatly avoid shaking in the conveying process of the cup cover and avoid assembly errors of the next procedure caused by displacement of the cup cover, and in addition, the unlocking piece 4 can unlock the cup cover, so that the assembly station is convenient for placing the cup cover on the carrier 122 or taking the cup cover out of the carrier 122, and the working efficiency is greatly improved.

As another embodiment of the present invention, the upper end of the carrier plate 121 is provided with a mounting groove 1211 for accommodating the carrier 122, and a sliding groove 1212 for moving the push rod 41 and communicating with the mounting groove 1211. The rear end of the sliding slot 1212 is connected to the side of the carrier plate 121, and the front end of the sliding slot 1212 extends out of the periphery of the mounting slot 1211 and forms an unlocking slot 1213 for accommodating the unlocking portion 42. Therefore, in actual operation, when the push rod 41 and the unlocking portion 42 are driven to move forward along the sliding slot 1212 by the external force, the unlocking portion 42 is disengaged from the unlocking passage 1220 and moves into the unlocking slot 1213. As another embodiment of the present invention, the unlocking channel 1220 is provided as an opening located at the front of the carrier 122 and arranged corresponding to the unlocking portion 42, and a groove for the push rod 41 to move is provided at the bottom of the carrier 122, and the groove is in communication with the opening and the chute 1212, so that the unlocking portion 42 slides along the transverse direction relative to the carrier 122.

As another embodiment of the present invention, the unlocking member 4 is further provided with a spring 43 for buffering and/or resetting the unlocking member 4, one end of the spring 43 is connected to the unlocking portion 42, the other end is abutted against the inner wall of the front portion of the unlocking slot 1213, when the unlocking portion 42 is separated from the unlocking channel 1220 and moves into the unlocking slot 1213, the spring 43 is pressed by the unlocking portion 42 to be in a compressed state, and when the unlocking portion 42 is located in the unlocking channel 1220 and is far from the unlocking slot 1213, the spring 43 is not pressed by the unlocking portion 42 to be in a free state. Therefore, in the present invention, when the external force no longer drives the push rod 41, the spring member 43 is no longer under the pressure of the unlocking portion 42, and the elastic force of the spring member 43 can drive the unlocking portion 42 to move towards the unlocking channel 1220, so that the unlocking portion 42 locks the cup cover structure and prevents the cup cover from moving in the carrier 122.

As another embodiment of the present invention, the present invention also discloses a cup cover fixing mechanism for assembling cup covers on a production line, which comprises the cup cover carrying base 1, the positioning structure 2 and the unlocking structure 45 according to any one of the above embodiments, wherein the positioning structure 2 is located on a conveying frame of the production line for limiting the movement of the cup cover carrying base 1 along with the conveying belt, the unlocking structure 45 is located on at least one side of the positioning structure 2 for locking or unlocking the cup cover on the cup cover carrying base, the unlocking structure 45 comprises a sliding table cylinder 451 reciprocating in the front-back direction, a cylinder mounting seat 452 located below the sliding table cylinder 451 and connected with the positioning structure 2, and a driving member 453 connected with the sliding table cylinder 451 and capable of driving the push rod 41 to move forward, and a sensor 454 for sensing the position of the cup cover carrying base 1 is arranged on the conveying frame or the positioning structure 2. As another embodiment of the present invention, the unlocking member 4 is provided with at least one pair, and the driving member 453 includes a plate body fixedly coupled to the upper end of the slide table cylinder 451, and two driving rods coupled to the front end of the plate body, the driving rods being spaced apart and corresponding to the positions of the push rods 41. Therefore, in the actual operation process, when the cup-lid carrying base 1 moves onto the positioning structure 2 along the conveyor belt, the sensor 454 senses the cup-lid carrying base 1, the sliding table cylinder 451 drives the driving member 453 to move forward and push the unlocking member 4 on the cup-lid carrying base 1 to move forward, the driving rod touches the push rod 41, and the unlocking portion 42 moves synchronously with the push rod 41 and is separated from the unlocking channel 1220.

As another embodiment of the present invention, the cup band mounting mechanism is used for bending the cup band 100 and enlarging the mounting hole on the cup band 100 so that the cup band 100 is sleeved on the cup cover hardware, and the cup band mounting pre-shaping mechanism mainly comprises a clamping structure 101, an expanding structure 102 and a bending structure 103, wherein the clamping structure 101 can rotate along the circumferential direction and is used for clamping the cup band 100 and transferring the cup band 100 to the area to be bent; the expanding structure 102 is used for expanding mounting holes at two ends of the cup belt 100, and comprises a fixed seat 121, two first driving members 122 connected to the fixed seat 121 and capable of moving along a first direction, and two expanding pieces 123 respectively connected to the mutually far sides of the two first driving members 122; the bending structure 103 is located below the clamping structure 101 and is close to the expanding piece 123, and comprises a positioning member 131 which can be abutted against one side of the cup belt 100 in the length direction, a bending member 132 which can be abutted against the other side of the cup belt 100 in the length direction, a second driving member 133 which drives the positioning member 131 and the bending member 132 to move along a second direction, and a third driving member 134 which drives the second driving member 133 to move along a third direction; the bending member 132 includes at least two bending wheels 1321 arranged at intervals, and the two bending wheels 1321 can respectively drive the two ends of the cup belt 100 to bend and sleeve the expansion piece 123. Note that, in this embodiment, the first direction refers to the longitudinal direction, i.e., the "Y" direction shown in fig. 1; the second direction refers to the transverse direction, i.e., the "X" direction shown in fig. 1; the third direction is the vertical direction, i.e., the "Z" direction shown in fig. 1, and the cup strap 100 has a flat strip-like structure before being bent; in this embodiment, the gripping structure 101 may rotate along the circumferential direction, so that the gripping structure 101 may rotate flexibly and is convenient for gripping the cup strap 100 from the mechanical arm to the area to be bent, or when other operation structures work, the gripping structure 101 may rotate to a position that does not interfere with the work of other operation structures; the expansion structure 102 drives the expansion piece 123 to move mainly through the first driving member 122, so as to expand the mounting hole of the cup cover 100 sleeved on the expansion piece 123; the bending structure 103 mainly drives the bending wheels 1321 to be close to two ends of the cup belt 100 through the second driving member 133 and the third driving member 134, and under the pushing action, the two ends of the cup belt 100 are bent and make the two ends of the cup belt close to the expanding piece 123, so that the expanding piece 123 passes through the mounting hole of the cup belt 100. In a specific operation process, the clamping structure 101 clamps the cup belt 100 from the mechanical arm through the clamping jaw, and the clamping structure 101 rotates downwards, so that the cup belt 100 is positioned between the bending wheel 1321 and the expansion piece 123, namely, is positioned in a region where the cup belt is to be bent; at this time, when the gripping structure 101 places the cup belt 100, the third driving member 134 moves upward to raise the second driving member 133 and the bending member 132 so that the bending wheel 1321 is connected against the cup belt 100; after the cup belt 100 is placed in the area to be bent, the clamping structure 101 rotates upwards to be positioned at the position where the cup belt 100 is to be clamped, so that on one hand, other operating mechanisms can be used for bending, transferring and the like of the cup belt conveniently, and on the other hand, the cup belt 100 can be clamped and taken down conveniently in time, and the operating efficiency is improved; after the bending wheel 1321 is abutted against and connected with the cup belt 100, the second driving member 133 drives the bending member 13 to approach the positioning member 131, the cup belt 100 is clamped between the positioning member 131 and the bending wheel 1321, that is, the positioning member 131 abuts against the other side of the cup belt 100 in the length direction, the bending wheel 1321 abuts against the other side of the cup belt 100 in the length direction, when the second driving member 133 continues to drive the bending member 13, the bending wheel 1321 rolls along the side surface of the cup belt, and as the positioning member 131 is arranged in the middle of the cup belt 100, both ends of the cup belt 100 are pressed and bent, so that mounting holes at both ends of the cup belt 100 penetrate through the expanding piece 123, the cup belt 100 is connected to the expanding piece 123, and when the two first driving members 122 move close to each other in the first direction, the cup belt 100 is bent in a flat shape to form an arc shape, so that the cup belt 100 is assembled on a cup cover hardware. Therefore, the automatic clamping structure 101 is used for automatically clamping the cup belt 100, the bending wheels 1321 on the bending structure 103 are used for carrying out pressed bending on the two ends of the cup belt 100, the two ends of the cup belt 100 are sleeved on the expansion piece 123, finally the mounting holes on the two ends of the cup belt 100 are expanded through the expansion structure 102, and the cup belt 100 is bent from a flat shape to be in an arc shape, so that the assembly of the next working procedure of the cup belt 100 is facilitated, the assembly efficiency of the cup belt 100 is improved, the whole operation process of the cup belt 100 for the preset shape is automatic operation, manual participation is not needed, the working efficiency is greatly improved, and the labor intensity of workers is effectively lightened.

As another embodiment of the present invention, the positioning member 131 includes a positioning base 141 located at an upper end of a sliding table of the second driving member 122, and a positioning piece 151 located at an upper end of the positioning base 141; the positioning piece 151 comprises a positioning support block 1511 connected to the positioning base 141 in a clamping manner, and a positioning plate 1512 vertically connected to the end, close to the bending member 132, of the positioning support block 1511, wherein two positioning grooves 1500 for passing through the clamping jaws on the clamping structure 101 are formed in the middle of the positioning plate 1512 in a separated manner. In the present invention, the positioning base 141 is fixedly connected to the sliding table of the second driving member 122, and along with the sliding table of the second driving member 122 moving along the second direction, the positioning support block 1511 is fixedly embedded at the upper end of the positioning base 141, the positioning plate 1512 is vertically connected to one end portion of the positioning support block 1511 near the bending member 132, and the upper end of the positioning slot 1500 is provided with an opening, so that the clamping jaw on the clamping structure 101 can pass through, and it is noted that in the present embodiment, the length of the positioning plate 1512 is smaller than the length of the cup belt 100, so that the positioning plate 1512 abuts against the middle region of the limiting cup belt 100, and both ends of the cup belt 100 are bent laterally.

As another embodiment of the present invention, the bending member 132 includes a bending base 161 located at the upper end of the other sliding table of the second driving member 133, two bending supporting seats 162 located at the upper end of the bending base 161, and two bending wheels 1321 respectively connected to the ends of the two bending supporting seats 162 near the positioning plate 1512; the two bending support seats 162 are spaced apart and gradually incline inward toward the direction approaching the positioning plate 1512. In the present invention, the bending base 161 is fixedly connected to the sliding table of the second driving member 122, and moves along with the sliding table of the second driving member 122 along the second direction, two bending support seats 162 are distributed on two sides of the upper end of the bending support seat 162, two bending wheels 1321 are respectively connected to the upper end of the bending support seat 162, and the bending support seat 162 is gradually inclined inwards towards the direction close to the positioning plate 1512, so that the two bending wheels 1321 are abutted against the positions of the middle and the two ends of the cup belt 100, so as to improve the stability when bending the cup belt 100.

As another embodiment of the present invention, the second driving member 133 includes a second driving base 171 arranged in the second direction, a second driving piece 172 on the second driving base 171, a first sliding table 173 on the second driving piece 172 and connected to the lower end of the positioning base 141, and a second sliding table 174 on the second driving piece 172 and connected to the lower end of the bending base 161, the first sliding table 173 and the second sliding table 174 being moved in the second direction with respect to the second driving base 171 by the second driving piece 172. As another embodiment of the present invention, the third driving member 134 includes a third driving base 181 disposed in the third direction, a third driving piece 182 located at a side of the third driving base 181, a third slide table 183 located on the third driving piece 182 and connected to a lower end of the second driving base 171, and the third slide table 183 moves in the third direction with respect to the third driving base 181 by the third driving piece 182.

As another embodiment of the present invention, the bending structure 103 further includes a limiting member 135 for limiting excessive bending of the cup strap 100; the limit member 135 includes a limit supporting seat 1351 vertically connected to the second driving member 133, a limit driving piece 1352 connected to an upper end of the limit supporting seat 1351, and a limit rod 1353 connected to the limit driving piece 1352 and close to the end of the bending wheel 1321. In the present invention, the limit supporting seat 1351 is fixedly connected to the upper end of the second driving base 171, the limit driving piece 1352 is fixedly connected to the upper end of the limit supporting seat 1351, the limit rod 1353 is connected to one end of the limit driving piece 1352, which is close to the bending wheel 1321, and is relatively telescopic, in the actual operation process, when the two first driving members 122 move in the first direction to approach each other, the cup belt 100 is bent to form an arc shape from a flat shape, and at this time, the middle arc of the cup belt 100 bulges and abuts against the end of the limit rod 1353, so as to limit excessive bending of the cup belt 100.

As another embodiment of the present invention, the first driving member 122 includes a fourth sliding table 124 connected to the fixing base 121, an expansion base 125 connected to the fourth sliding table 124, and a first driving element 126 connected to the expansion base 125 side and driving the expansion base 125 to move along the first direction relative to the fixing base 121. Specifically, the expansion base 125 includes a first base portion 1251 located above the fourth sliding table 124, and a second base portion 1252 protruding from the first base portion 1251 near the positioning plate 1512, where the expansion element 123 is connected to the second base portion 1252 and away from the outer side of the other second base portion 1252, and the protruding arrangement of the second base portion 1252 is convenient for installing the expansion element 123 on the one hand, and can be closer to the positioning plate 1512 on the other hand, so that the two ends of the cup belt 100 can be sleeved on the expansion element 123 after being bent.

As another embodiment of the present invention, the expansion member 123 is provided in a conical structure extending outwardly from the second base portion 1252, the expansion member 123 including a first expansion portion 1231 connected to the second base portion 1252, a second expansion portion 1232 connected to the outside of the first expansion portion 1231, and a third expansion portion 1233 connected to the outside of the second expansion portion 1232 and tapered; the second expansion part 1232 and the third expansion part 1233 are provided with a plurality of connecting grooves 1234 which are arranged separately, and the inner wall of the connecting groove 1234, which is close to the first expansion part 1231, is provided with a limiting block 1235. In the present invention, the expansion member 123 is configured in a conical configuration extending outwardly from the second base portion 1252 so that the mounting hole of the cup belt 100 extends through the expansion member 123 and gradually enlarges the mounting hole of the cup belt 100, the first expansion portion 1231 is fixedly connected to the outer side of the second base portion 1252, and the second expansion portion 1232 and the third expansion portion 1233 can be matched with the cup belt separating members of other operating mechanisms so as to separate the cup belt of the expansion member 123 from the cup belt and transfer the cup belt to the cup cover.

As another embodiment of the present invention, the expanding structure 102 further comprises a sensing member 191 for sensing the position of the expanding element 123 and the cup strip 100, wherein the sensing member 191 comprises a sensing support seat 1911 positioned above the first driving member 122, a first sensor 1912 connected to the sensing support seat 1911 and capable of sensing the expanding element 123, and a second sensor 1913 connected to the sensing support seat 1911 and capable of sensing the bending of the cup strip 100. It should be noted that, in the present invention, two sensing members 191 are provided, and two sensing members 191 are respectively disposed above two first driving members 122, and a first sensor 1912 may be used to sense whether the cup belt is sleeved on the expansion member 123, and a second sensor 1913 may be used to sense the position of the cup belt 100 and/or sense the bending degree of the cup belt. As another embodiment of the present invention, the gripping structure 101 includes a gripping base 111, a jaw driving member 112 connected to a side of the gripping base 111, a first jaw connecting rod 113 connected to the jaw driving member 112 and rotatable, a second jaw connecting rod 114 perpendicular to an end of the first jaw connecting rod 113, and two jaw members 115 connected to an end of the second jaw connecting rod 114 and passing through the positioning slot 1500, so that the jaw members 115 pass through the positioning slot 1500 to place the cup strap 100 between the bending wheel 1321 and the positioning plate 1512.

As an embodiment of the present invention, a transferring and mounting mechanism of a cup belt of a thermos cup is disclosed, which is used for transferring and mounting the cup belt on an expanding piece onto hardware of a cup cover, and mainly comprises a conveying structure 21, a cup belt mounting table 22 and a push belt structure 23, wherein the conveying structure 21 comprises a first conveying member 211 capable of moving along a first direction, and a second conveying member 212 which is connected below the first conveying member 211 and capable of moving along a second direction; the cup belt mounting table 22 is used for conveying cup covers and mounting the cup belt 100, and comprises a first transmission member 221 capable of moving along a second direction, a mounting base 222 connected with the first transmission member 221, and a second transmission member 223 connected with the mounting base 222 and driving the mounting base 222 to move along a third direction; the push belt structure 23 includes a push belt base 231 on the first conveying member 211, a first push member 232 for engaging the cup belt 100 and connected to the push belt base 231, a second push member 233 for pushing the cup belt 100 onto hardware and connected to the push belt base 231, a first push belt driver 234 and a second push belt driver 235 for driving the first push member 232 and the second push member 233 to move in a first direction. In the present invention, the first conveying member 211 may move in a first direction and bring the entire push belt structure 23 closer to or farther from the expanding piece 123, or when the cup belt 100 is mounted, the first conveying member 211 may move in the first direction and bring the push belt structure 23 closer to or farther from the cup belt mounting table 22, while the second conveying member 212 may bring the entire first conveying member 211 and the entire first conveying member 211 into a second direction so as to be closer to the cup belt mounting table 22; in addition, the cup belt mounting table 22 is mainly used for bearing the cup cover and connecting the cup belt 100 to the cup cover, wherein the mounting base 222 is mainly used for bearing a platform of the cup cover 100, the mounting base 222 can be driven by the second transmission member 223 to perform lifting movement along a third direction, so that the cup cover is lifted to a certain height to facilitate the mounting of the cup belt 100, and the first transmission member 221 can drive the whole second transmission member 223 and the whole mounting base 222 to perform movement along a second direction; in addition, the push belt structure 23 mainly includes a first push member 232 and a second push member 233 to implement engagement and push of the cup belt, the push belt base 231 is mainly used for connecting the first push member 232 and the second push member 233, and the first push belt driver 234 and the second push belt driver 235 are respectively used for moving the first push member 232 and the second push member 233 along the first direction. In a specific operation process, when the cup belt is connected from the expanding piece 123, the first conveying member 211 drives the whole push belt structure 23 to be close to the expanding piece 123, then drives the first push member 232 to be in clamping connection with the expanding piece 123 through the first push belt driving piece 234, enables the cup belt on the expanding piece 123 to be connected to the first push member 232, drives the whole push belt structure 23 to be close to the expanding piece 123 through the first conveying member 211, and drives the whole push belt structure 23 to be moved to a position close to the cup belt mounting table 22 through the second conveying member 212; when a cup strip is to be transferred from the first push member 232 to the lid hardware, the first conveying member 211 urges the entire push strip structure 23 toward the mounting base 222 on which the cup strip is placed, and the first push member 232 is urged toward or against the hardware by the first push strip driver 234, and finally the cup strip 100 on the first push member 232 is urged away from the first push member 232 by the second push strip driver 233. Therefore, in the invention, the first pushing member 232 is connected with the cup belt from the expanding piece 123, and the second pushing member 233 is used for pushing the cup belt on the first pushing member 232 to the hardware of the cup cover, so that the transfer and assembly efficiency of the cup belt is greatly improved, and the first pushing member 232 is matched with the expanding piece, so that the cup belt can be sleeved on the hardware of the cup cover when the second pushing belt driving piece 233 pushes the cup belt.

As another embodiment of the present invention, the first pushing member 232 is configured as a pushing shaft 2320 that is matched with the expansion element 123 and penetrates through the pushing belt base 231; the pushing shaft 2320 is provided with a pushing channel 2231 for connecting and accommodating the expansion member 123 and a plurality of connecting protrusions 2322 arranged along the inner circumference of the pushing channel 2321 in the middle, and a clamping groove 2323 for connecting the second pushing member 233 is formed in the outer circumference of one end part of the pushing shaft 2320, which is close to the expansion member 123. Further, in other embodiments, the expansion member 123 is provided in a conical structure extending outwardly from the second base portion 1252, the expansion member 123 including a first expansion portion 1231 connected to the second base portion 1252, a second expansion portion 1232 connected to the outside of the first expansion portion 1231, and a third expansion portion 1233 connected to the outside of the second expansion portion 1232 and tapered; the second expansion part 1232 and the third expansion part 1233 are provided with a plurality of connecting grooves 1234 which are arranged separately, and the inner wall of the connecting groove 1234, which is close to the first expansion part 1231, is provided with a limiting block 1235. In the present invention, the expansion member 123 is configured as a cone structure extending outward from the second base portion 1252, so that the mounting hole of the cup belt 100 penetrates through the expansion member 123, and the mounting hole of the cup belt 100 is gradually enlarged, the first expansion portion 1231 is fixedly connected to the outer side of the second base portion 1252, the second expansion portion 1232 and the third expansion portion 1233 can be connected to the pushing channel 2231 in a matching manner, and the connection protrusion 2322 can be connected to the connection groove 1234 in a snap fit manner, so that the cup belt on the expansion member 123 is detached and mounted on the hardware of the cup cover. As another embodiment of the present invention, the first push belt driving member 234 includes a first driving cylinder 2341, a first driving joint 2342 connected to the first driving cylinder 2341, a first driving rod 2343 connected to the first driving joint 2342 and arranged in a first direction, a second driving rod 2344 connected to the first driving rod 2343 and arranged vertically downward, and a connection seat 2345 through which the first driving rod 2343 penetrates and is connected to the upper side of the push belt base 231. In other embodiments, the push belt base 231 is provided with a first connection channel 2310 to which the second driving lever 2344 is connected, the push shaft 2320 is provided with a second connection channel 2311 to which the second driving lever 2344 is connected and which communicates with the first connection channel 2310, and the second driving lever 2344 may be connected within the first connection channel 2310 and the second connection channel 2311, such that the entire push belt base 231 and the push shaft 2320 move in the first direction.

As another embodiment of the present invention, the second pushing member 233 includes a pushing rod 2331 penetrating through the pushing belt base 231, and a pushing block 2332 connected to one end of the pushing rod 2331 and sleeved on the pushing shaft 2320, where a clamping channel 2333 matched with the clamping slot 2323 is provided on the pushing block 2332. As another embodiment of the present invention, the second push belt driving part 235 includes a second driving cylinder 2351, and a second driving joint 2352 having both ends connected to the second driving cylinder 2351 and the other end of the push rod 2331, respectively. As another embodiment of the present invention, the first conveying member 211 includes a first conveying base 2111 disposed along a first direction, a first sliding rail 2112 connected to the first conveying base 2111, a first sliding table 2113 connected to the first sliding rail 2112, and a first driving motor 2114 for driving the first sliding table 2113 to move along the first direction relative to the first sliding rail 2112, and a stop member 215 for limiting excessive displacement of the first sliding table 2113 is further provided on the first conveying member 211 to prevent the first sliding table 2113 from being separated from the first sliding rail 2112.

As another embodiment of the present invention, the second conveying member 212 includes a second conveying base 2121 arranged in a second direction, a second slide rail 2122 connected to the second conveying base 2121, a second slide table 2123 connected to the second slide rail 2122, and a second driving motor 2124 for driving the second slide table 2123 to move in the second direction relative to the second slide rail 2122; the upper ends of the second sliding table 2123 and the second driving motor 2124 are fixedly connected to the first conveying base 2111, and the second driving motor 2124 is disposed on the second conveying base 2121 side along the second direction. As another embodiment of the present invention, the mounting base 222 includes a placement platform 2221 on which a cup cover can be placed, a supporting member 2222 connected below the placement platform 2221, the second transmission member 223 includes a lifting sliding table 2231 connected to a side portion of the supporting member 2222, and a third driving motor 2232 for moving the lifting sliding table 2231 along a third direction, and a plurality of protrusions 2220 for preventing movement of the cup cover are surrounded on the placement platform 2221.

As another embodiment of the present invention, the first transmission member 221 includes a moving base 2211 arranged in the second direction, a guide 2212 connected to the side of the moving base 2211, a fourth driving motor 2213 connected to the side of the moving base 2211 and located below the guide 2212, and a first transmission stage 2214 and a second transmission stage 2215 connected to the guide 2212 and the fourth driving motor 2213, respectively. As another embodiment of the present invention, the lifting sliding table 2231 is vertically connected to the first transmission stage 2214, the second transmission stage 2215 is further provided with a mounting rod 2216, a mounting groove 2217 recessed above the first transmission stage 2214 and connected to the mounting rod 2216 is provided, and when the mounting groove 2217 is connected to the mounting rod 2216, the fourth driving motor 2213 can synchronously drive the whole first transmission member 221 and the mounting base 222.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention. In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the invention.

Claims

1. An automatic production line for cup covers, which is characterized by comprising:

the hardware mounting device is positioned at the downstream of the second cover body mounting device and is used for mounting hardware on the third cover body and comprises a third cover body reclaimer, a feeding machine used for conveying the hardware and a mounting mechanism for mounting the hardware on a third cover body mounting hole; the mounting mechanism comprises a supporting seat positioned on the mounting stand, a reaming structure positioned above the supporting seat and used for expanding the mounting hole of the first cover body, and a pressing-in structure used for pressing hardware into the mounting hole of the first cover body; the pressing structure comprises a pressing component capable of transversely reciprocating, a limiting component used for limiting hardware conveying and/or limiting the movement of the pressing component, and a blocking component used for blocking the hardware, one end of the pressing component, which is close to the reaming structure, is provided with a feeding channel which is longitudinally arranged and used for the hardware conveying, and part or all of the limiting component is positioned in the feeding channel and can longitudinally move along the feeding channel; the front part of the pressing-in structure is provided with an induction component for inducing the position of hardware;

2. The automatic production line for cup lids according to claim 1, wherein the positioning mechanism comprises: a carrying base comprising a carrying tray which can be placed above the conveyor belt and move along with the conveyor belt, and a carrier assembly positioned above the carrying tray;

3. The automatic production line for cup covers according to claim 2, wherein: the conveyor comprises a conveying mechanism and two lifting mechanisms, wherein the conveying mechanism is arranged along the transverse direction, the two lifting mechanisms are respectively positioned at two ends of the conveying mechanism, the conveying mechanism is used for conveying a carrying base of an upstream assembly station to a downstream assembly station, and the positioning structure is arranged on the conveying mechanism.

4. The automatic production line for cup covers according to claim 3, wherein: the feeding machine comprises a feeding machine barrel for accommodating hardware and a vibration disc for conveying the hardware to the mounting mechanism, wherein conveying channels for conveying the hardware are formed in two sides of the vibration disc;

5. The automatic production line for cup covers according to claim 4, wherein: the reaming structure includes: the reaming boss is positioned on the supporting seat and used for placing the cup cover, a moving channel which is transversely arranged is arranged in the middle of the reaming boss, and reaming channels which are transversely arranged and communicated with the moving channel are arranged on two sides of the reaming boss;

6. The automatic production line for cup covers according to claim 5, wherein: the lifting structure is used for lifting the carrying base carrying the cup cover upwards and comprises a fixed bottom plate, a lifting cylinder connected below the fixed bottom plate and a lifting assembly connected with a cylinder pull head at the upper end of the lifting cylinder;

7. The automatic production line for cup covers according to claim 6, wherein: the expansion structure comprises a fixed seat, two first driving members which are connected to the fixed seat and can move along a first direction, and two expansion pieces which are respectively connected to the mutually far sides of the two first driving members;

8. The automatic production line for cup covers according to claim 7, wherein: the positioning component comprises a positioning base positioned at the upper end of a sliding table of the second driving component and a positioning piece positioned at the upper end of the positioning base; the locating piece includes the block of block connection on the location base and connects perpendicularly in the locating plate that the locating support block is close to the component end of bending, the centre separation of locating plate is provided with two confession and presss from both sides the constant head tank that clamping jaw on the structure passed through.

9. The automatic production line for cup covers according to claim 8, wherein: the bending component comprises a bending base positioned at the upper end of the other sliding table of the second driving component, two bending supporting seats positioned at the upper end of the bending base, and two bending wheels respectively connected with the two bending supporting seats and close to the end of the positioning plate; the two bending supporting seats are arranged in a separated mode and gradually incline inwards towards the direction close to the positioning plate;