CN114700730A

CN114700730A - Automatic cup cover production line

Info

Publication number: CN114700730A
Application number: CN202210434094.8A
Authority: CN
Inventors: 彭龙; 董伟伟; 舒开湘; 汪晓波
Original assignee: Hangzhou Freetron Industrial Co Ltd
Current assignee: Hangzhou Fulidong Intelligent Manufacturing Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-07-05
Anticipated expiration: 2042-04-24
Also published as: CN114700730B

Abstract

The invention discloses an automatic cup cover production line which comprises a conveyor for conveying a cup cover structure of an upstream assembly station to a downstream assembly station, a first cover body installation device, a second cover body installation device, a hardware installation device, a cup cover pressing device and a cup belt installation device. According to the automatic assembly device, the cup cover structure, the hardware and the cup belt are automatically assembled in sequence through the 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 cup cover production line

Technical Field

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

Background

The bowl cover is formed by the assembly of a plurality of structures such as hardware on upper cover, lower cover, handle, the handle usually, and current bowl cover needs the manual work to punch installation hardware and handle during the assembly usually by manual 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 work participated is adopted mostly in current hardware and handle assembly, still has machining efficiency low and the higher problem of cost of labor, and some existing hardware and handle assembly also have the mode of adopting full automatization certainly, and the assembly line operation is carried out by a plurality of stations usually to the assembly of hardware and handle, and hardware and handle can automatic assembly to the pinhole of bowl cover in, improve work efficiency and effectively alleviate workman's intensity of labour.

The prior art discloses a handle assembly mechanism and a cup cover assembly device (Chinese patent No. CN 201911422982.2). A shifting driving piece in the invention is connected with a frame, a carrier plate is connected with the shifting 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 frame is located to the crimp driving piece, and the relative both sides of support plate are located to two push pedals for buckle the handle, two push pedals have been seted up and have been kept away the hole, and be connected in the crimp driving piece, under the drive of crimp driving piece, the push pedal will be handle propelling movement to bowl cover one side. The two hole expanding pieces are arranged on two opposite sides of the support plate and correspond to the push plate, and the push plate moves relative to the hole expanding pieces under the driving of the bent edge driving piece, so that one hole expanding piece extends into the connecting hole of the handle from one avoiding hole and props up the connecting hole.

The handle assembling mechanism improves the assembling efficiency of the handle and the cup cover to a greater extent through the mutual matching of the flanging component and the chambering component, but the handle assembling mechanism is not provided with a structure for clamping the cup belt, and the handle assembling mechanism cannot bend and pre-shape the cup belt while chambering the holes of the cup belt, so that the handle assembling mechanism is not strong in practicability; the cup belt transfer and assembly structure is complex, and the cup belt cannot be connected to the cup cover due to insufficient hole expansion degree when the cup belt is assembled. In addition, the assembly of present bowl cover hardware only realizes the assembly work between 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 well assembled back hardware also need carry out the manual work and operate the transportation, and whole operation process's degree of automation 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 for conveying a cup cover structure of an upstream assembly station to a downstream assembly station, a first cover body installation device, a second cover body installation device, a hardware installation device, a cup cover pressing device and a cup belt installation device. According to the invention, the cup cover structure, the hardware and the cup belt are automatically assembled in sequence through the plurality of assembling stations without manual operation, and the assembled cup cover is not transported manually, so that the automation degree of the whole production process is high, and the assembling efficiency is greatly improved.

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

the conveyer 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 conveyer;

the first cover body mounting device comprises a first cover body material taking machine and a first cover body mechanical arm 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 material taking machine and a second cover body mechanical arm 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 used for mounting hardware on a third cover body, and comprises a third cover body material taking machine, a feeding machine used for conveying the hardware and a mounting mechanism used for mounting the hardware on a mounting hole of the third cover body;

the cup cover pressing device is positioned at the downstream of the hardware installation device and comprises a jacking structure, a pressing structure and a material clamping structure, wherein the jacking structure is used for upwards lifting the carrying base on the positioning mechanism; 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 a cup belt, a cup belt mounting table for placing the cup belt and mounting the cup belt, an expansion structure for expanding mounting holes at two ends of the cup belt, a bending structure for bending the cup belt, a belt pushing 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: the carrying base comprises a carrying disc which can be placed above the conveyor belt and moves along with the conveyor belt, and a carrier assembly positioned above the carrying disc;

the positioning structure is positioned on the conveyor and comprises a base plate positioned below the conveyor, a lifting assembly penetrating through the base plate, a supporting plate assembly sleeved on the lifting assembly and driving the lifting assembly to move synchronously, and an air cylinder connected with the supporting plate assembly; a stopper used for blocking 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 continue moving forwards and stops above the supporting plate assembly, the supporting plate assembly moves upwards through the cylinder and the lifting assembly and pushes the carrying base to lift upwards, and the lower portion of the carrying disc is separated from the conveying belt.

Preferably, the conveyor comprises a conveying mechanism arranged along the transverse direction and two lifting mechanisms respectively located 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.

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

the pressing structure comprises a pressing member capable of reciprocating along the transverse direction, a limiting member used for limiting hardware conveying and/or limiting movement of the pressing member, and a material blocking member used for blocking the hardware, a feeding channel which is longitudinally arranged and used for conveying the hardware is arranged at one end, close to the reaming structure, of the pressing member, and part or all of the limiting members are located in the feeding channel and can longitudinally move along the feeding channel; the front part of the press-in structure is provided with a sensing component for sensing the position of the hardware.

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

the exit end of vibration dish is located the transfer table bottom plate top of the structure of impressing, transfer passage is linked together with feedstock channel, carries and responds the component to the hardware when being in pre-compaction entering position along feedstock channel at the hardware, stop member moves towards the direction of keeping away from the hardware, just press the material component towards the direction motion and propelling movement hardware to the bowl cover mounting hole that are close to reaming structure on.

Preferably, the reaming structure comprises: the hole expanding 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 hole expanding boss, and hole expanding channels which are transversely arranged and communicated with the moving channel are arranged on two sides of the hole expanding boss;

at least two reaming pins are arranged and respectively penetrate through the reaming channels;

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

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

the pressing structure is used for pressing the cup cover lifted by the jacking assembly and comprises a pressing plate and a plurality of pressing assemblies which are connected to the pressing plate and arranged corresponding to the cup cover.

Preferably, the expansion structure comprises a fixed seat, two first driving components which are connected to the fixed seat and can move along a first direction, and two expansion pieces which are respectively connected to the sides of the two first driving components, which are far away from each other;

the bending structure is positioned below the clamping structure and close to the expansion piece and comprises a positioning component capable of abutting against one side of the cup belt in the length direction, a bending component capable of abutting against the other side of the cup belt in the length direction, a second driving component for driving the positioning component and the bending component to move along the second direction, and a third driving component for driving the second driving component to move along the third direction; the bending component 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 be bent and sleeved on the expansion piece;

the belt pushing structure comprises a belt pushing base located on the first conveying component, a first pushing component used for connecting the cup belt and connected to the belt pushing base, a second pushing component used for pushing the cup belt to the hardware and connected to the belt pushing base, and a first belt pushing driving piece and a second belt pushing driving piece driving the first pushing component and the second pushing component 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 comprises a locating support block and a locating plate, wherein the locating support block is connected to the locating base in a clamping mode, the locating plate is vertically connected to the end, close to the bending component, of the locating support block, and two locating grooves for clamping the clamping jaw on the structure to pass through are formed in the middle of the locating plate in a separated mode.

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

the bending structure further comprises a limiting component used for limiting the cup belt from being excessively bent; the limiting component comprises a limiting supporting seat vertically connected to the second driving component, 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 end of the bending wheel.

The invention mainly obtains the following beneficial effects:

the device comprises a conveyor for conveying a cup cover structure of an upstream assembly station to a downstream assembly station, 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. According to the automatic assembly device, the cup cover structure, the hardware and the cup belt are automatically assembled in sequence through the 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 invention 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 invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is an overall schematic view of an automatic production line for cup lids, which is disclosed in an embodiment of the present invention.

Fig. 2 is an overall schematic view of an automatic installation device for cup lid hardware according to an embodiment of the present invention.

Fig. 3 and 4 are schematic views of a cup lid hardware mounting platform according to an embodiment of the disclosure.

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

FIG. 6 is a schematic view of a portion of a cup lid hardware mounting platform in accordance with an embodiment of the present disclosure.

Fig. 7 and 9 are schematic views of a cup lid hardware mounting mechanism according to an embodiment of the present disclosure.

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

Fig. 12 is a schematic view of a dam member according to an embodiment of the disclosure.

Fig. 13 is an overall schematic view of a hole enlarging structure according to an embodiment of the disclosure.

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

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

FIGS. 16-18 are schematic views of a cup strap, hardware, and a cup cover in accordance with an embodiment of the present invention.

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

Fig. 20 is an overall schematic view of a cup lid mounting and presetting mechanism disclosed in an embodiment of the invention.

Fig. 21-23 are schematic views of the disclosed expanded configuration, in accordance with one embodiment of the present invention.

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

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

Fig. 26 and 27 are schematic views of a positioning member and a bending member disclosed in accordance with an embodiment of the present invention.

FIG. 28 is a schematic view of a third driving member according to an embodiment of the disclosure.

Fig. 29 is a schematic view of a clamping structure according to an embodiment of the disclosure.

FIG. 30 is a schematic view of the entire transfer mounting mechanism disclosed in one embodiment of the present invention.

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

Fig. 32 is a schematic view of a push belt structure according to an embodiment of the disclosure.

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

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

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

FIG. 36 is a schematic view of a cup belt mounting station according to an embodiment of the disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of 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 to 36, as a first embodiment of the present invention, an automatic production line for cup lids is disclosed, in which a cup strip 1002 and hardware 1001 are mainly mounted on a cup lid 100, and the automatic production line includes 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. The conveyor 300 is used for conveying the cup cover structures of the upstream assembly station to the downstream assembly station, and the conveyor 300 is provided with a plurality of positioning mechanisms 2 for carrying the cup cover structures; the first cover body installation device 501 comprises a first cover body reclaimer 511 and a first cover body manipulator 512 for transferring the first cover body to the positioning mechanism 2; the second lid body mounting device 502 is located downstream of the first lid body mounting device 501, and includes a second lid body reclaimer 521 and a second lid body manipulator 522 for mounting the second lid body into the first lid body; the hardware mounting device 503 is located downstream of the second cover body mounting device 502 and is used for mounting hardware on a third cover body, and comprises a third cover body material taking machine, a feeding machine for conveying the hardware and a mounting mechanism for mounting the hardware on a third cover body mounting hole; the cup cover pressing device 504 is positioned at the downstream of the hardware installation device 503 and comprises a jacking structure for lifting a carrying base on the positioning mechanism upwards, a pressing structure positioned above the jacking structure and a material 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 located at the downstream of the cup cover pressing device 504 and comprises a clamping structure 101 for clamping a cup belt, a cup belt mounting table 22 for placing the cup cover 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 to be mounted on the cup cover, a first conveying member 211 capable of moving along a first direction, and a second conveying member 212 capable of moving along a second direction. According to the automatic assembly device, the cup cover structure, the hardware and the cup belt are automatically assembled in sequence through the 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 the transverse direction, and two elevating mechanisms 302 respectively located at both ends of the conveying mechanism 301, the conveying mechanism 301 is used for conveying the carrier base 1 of the upstream assembly station to the downstream assembly station, and the positioning structure 2 is mounted on the conveying mechanism 301 and arranged corresponding to the assembly station. Therefore, during the process of assembling the cup covers on the assembly line, the positioning structure 2 is fixed on the assembly station area of the transmission mechanism 301, the carrier base 1 moves along with the conveyor belt on the transmission mechanism 301, and the lifting mechanism 302 mainly transfers the carrier base 1 on one conveying path to the other 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 the conveyer belt of the production line and moves along with the conveyer belt, and a carrier 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 move synchronously, and a cylinder 24 connected with the supporting plate assembly 23, wherein a stopper 25 for stopping the carrying base 1 from moving along with the conveying belt is arranged in front of the positioning structure 2. Therefore, when the carrying base 1 moves along the conveyor belt to the positioning structure 2, the stop 25 limits the carrying base 1 to continue moving forward and stop above the pallet assembly 23, the pallet assembly 23 moves upward through the cylinder 24 and the lifting assembly 22 and pushes the carrying base 1 to lift upward, and the lower part of the carrying tray 11 is separated from the conveyor belt. In a specific operation process, the carrying base 1 moves along with the conveying belt, the stopper 25 senses that the carrying base 1 is close to the stopper and when the carrying base 1 is located 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 disc 11 is far away from the conveying belt, and at the moment, the carrying base 1 is in a stable state, and a mechanical arm on an assembly station is convenient to place a cup cover structure to be arranged on the carrier assembly 12 or install the cup cover structure to be arranged 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 plate 11 is located on the conveying belt again, at the moment, the carrying base 1 continues to move to the next assembly station along with the conveying belt, the positioning mechanism can not only carry the cup cover structure, but also push the carrying base upwards to keep the carrying base stable when the carrying base reaches the positioning mechanism, and the cup cover structure is placed or assembled conveniently.

As another embodiment of the present invention, the hardware installation apparatus includes an installation stand 700, installation stations for conveying and installing hardware located at both sides of the installation stand 700, a rotatable feeding manipulator 93 located at the front side of the installation stand 700, and a rotatable discharging manipulator 94 located at the rear side of the installation stand; the third lid reclaimer 97 that is used for placing the bowl cover to be assembled is provided with in the place ahead of this feeding manipulator 93, and the rear of this ejection of compact manipulator 94 is provided with production line 98 and a plurality of positioning mechanism 981 that are located production line 98 and are used for carrying the bowl cover, still is provided with the supplementary detection structure 96 that is used for putting bowl cover to positioning mechanism on this ejection of compact manipulator 94. Specifically, the installation station comprises a reaming structure 600 for expanding the cup cover installation hole, a press-in structure 800 for pressing hardware into the cup cover installation hole, and a feeding machine 9 for conveying the hardware to the press-in structure. While the feeding manipulator 93 transfers the cup lids from the third lid body reclaimer 97 to the reaming structure 600, the feeder 9 conveys the hardware to the press-in structure 800 and pushes the hardware onto the cup lid mounting holes, and the discharging manipulator 94 conveys the cup lids with the hardware assembled onto the positioning mechanism 981 and along the production line to the downstream assembly station. Therefore, in the invention, two installation stations are arranged, namely two operation lines for conveying and installing hardware, the feeding manipulator 93 can transport the cup covers to the installation stations on two sides, and the discharging manipulator 94 can transport the cup covers with the assembled hardware to the production line from the installation stations on two sides, so that the overall structure of the cup cover hardware installation platform is reasonable in arrangement. Compared with some existing cup cover assembly devices, only one hardware assembly line is usually arranged on the installation platform, or the cup cover to be assembled needs to be manually transported or the assembled cup cover needs to be manually transported, so that time and labor are wasted. In the specific operation process of the invention, the feeding manipulator 93 transfers the cup cover to be assembled to the reaming structure 600, the feeding machine 9 conveys the hardware to the press-in structure 800 and pushes the hardware to the cup cover mounting hole, when the hardware is assembled to the cup cover, the discharging manipulator 94 transfers the cup cover with the assembled hardware to the positioning mechanism 981 of the production line, and the positioning mechanism 981 is conveyed to the next assembly station along the production line.

As another embodiment of the present invention, the feeding robot 93 includes a first robot arm 931 and a first clamping structure 932 connected to a driving end of the first robot arm 931, a first base 933 fixedly connected to a front side of the mounting stand 700 is provided at a bottom end of the first robot arm 931, and similarly, the discharging robot 94 includes a second robot arm 941 and a second clamping structure 942 connected to a driving end of the second robot arm 941, and a second base 943 fixedly connected to a rear side of the mounting stand 700 is provided at a lower end of the second robot 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 clamping structure 932, so that the first mechanical arm 931 can rotate above the material taking mechanism, then the first clamping structure 932 clamps the cup lid, and then the first mechanical arm 931 rotates above the hole enlarging structure 600, and then the first clamping structure 932 places the clamped cup lid on the hole enlarging structure 600, so as to facilitate the installation of hardware; similarly, the second mechanical arm 931 can rotate to the position above the reaming structure 600, the cup lids with the assembled hardware are clamped by the second clamping structure 942, and then the second mechanical arm 942 rotates to the position above the production line positioning mechanism 981, and the clamped cup lids are placed on the carrying bases by the second clamping structure 942, so that the carrying bases can be conveyed to the downstream assembling station along the conveying belt of the production line. As another embodiment of the present invention, first gripping structure 932 or second gripping structure 942 includes at least a pair of jaws 951 for gripping a cup cover, a jaw drive 952 positioned above jaws 951, and a speed control valve 953 positioned on jaw drive 952. Therefore, in the invention, each clamping structure is provided with a pair of clamping jaws 951, and the clamping speed of the clamping jaws 951 can be adjusted through the speed control 953, so that the stability of clamping the cup cover is ensured while the working efficiency 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 comprises a fixed connection seat, an industrial camera located on the fixed connection seat, a lens located below the industrial camera, and an aperture. Therefore, in the present invention, the auxiliary detecting structure 96 moves along with the discharging manipulator 94, and when the cup lid is placed on the positioning mechanism 981, it can shoot and monitor whether the cup lid is accurately placed on the positioning mechanism 981, but in other embodiments, the auxiliary detecting structure 96 can also be installed on the feeding manipulator 93, and is used for shooting and monitoring that the first manipulator 931 clamps the cup lid from the third lid reclaimer 97, so as to avoid the displacement when the cup lid is placed or clamped.

As another embodiment of the present invention, the mounting rack 700 includes a mounting rack 711, a rack plate 712 located above the mounting rack 711, and an electric cabinet located inside the mounting rack 711; the electric cabinet is electrically connected to the first manipulator 931 and the second manipulator 932, two supporting seats 701 arranged oppositely and a first base 933 and a second base 943 arranged oppositely are arranged on two sides of the upper portion of the rack plate 712, and the hole expanding structure 600 and the press-in structure 800 are both located above the supporting seats 701.

As another embodiment of the present invention, the feeding machine 9 includes a feeding cylinder 91 for accommodating hardware, and a vibration plate 92 for 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 channels 900 for conveying the hardware. As another embodiment of the present invention, at least two sensing members 84 for sensing the position of hardware are further disposed on the supporting base 701, 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 transmitted to the press-in structure 800 along the two conveying channels 900 of the vibration plate 92, and the sensing members 84 on both sides of the outlet end of the vibration plate can sense whether the hardware is in a pre-press-in state, so as to avoid the situation that the hardware deviates or cannot be aligned with the lid mounting hole when the hardware is pressed into the lid 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 capable of reciprocating in a transverse direction, a limiting member 82 for limiting the hardware transportation and/or limiting the movement of the pressing member 81, and a blocking member 83 for blocking the hardware, one end of the pressing member 81 near the broaching structure 600 is provided with a feeding channel 801 for hardware transportation, which is arranged in the longitudinal direction, and part or all of the limiting member 82 is located in the feeding channel 801 and can move longitudinally along the feeding channel 801. The outlet end of the vibration disc 92 is located above a bottom plate of a transfer table of the press-in structure 800, the conveying channel is communicated with the feeding channel 801, when the hardware is conveyed along the feeding channel 801 and the sensing member 84 senses that the hardware is located at a pre-pressing position, the limiting member 82 moves towards the direction far away from the hardware, and the pressing member 81 moves towards the direction close to the reaming structure 600 and pushes the hardware to the cup cover mounting hole. Therefore, in the present invention, hardware is fed to the press-in structure 800 by the feeder 9 in two ways, the hole enlarging structure 600 facilitates hardware installation on the cup cover installation hole to improve work efficiency and improve stability during hardware assembly, the pressing member 81 can move transversely to assemble hardware on two sides or one side of the cup cover, in other embodiments, hardware can be assembled on the pin hole between the two cover bodies, the application range is wide, and the limiting member 82 can limit continuous conveying of hardware and limit movement of the pressing member 82 in a non-working state to improve controllability and stability during operation of the installation station.

As another embodiment of the present invention, the pressing member 81 includes a pressing chute 811 located at the upper end of the supporting seat 701, a pressing slider 812 moving relative to the pressing chute 811, and a chute cover 813 located above the pressing chute 812 and used for fixing the pressing slider 812, and one end of the pressing slider 812 away from the hole enlarging structure 600 is provided with a pressing driving member 814 for driving the pressing slider 812 to move transversely and reciprocally. 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 driving member 814, and a third sliding portion 8123 connected to the other end of the first sliding portion 8122 and close to the broaching structure 600; the feeding channel 801 is arranged at the end of the third sliding part 8123 far away from the first sliding part 8121, and a limiting channel 8120 which is arranged along the longitudinal direction and is used for connecting part of the limiting component 82 is also arranged on the third sliding part 8123. Therefore, in the present invention, the pressing driving member 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 lid, the limiting member 82 moves longitudinally and away from the hardware, at this time, the pressing member 81 is not restricted by the limiting member 82, the pressing member 81 can move transversely and close to the lid, so that the hardware is mounted on the lid mounting hole.

As another embodiment of the present invention, the limiting member 82 includes a first limiting bar 821 in the feeding channel 801, a second limiting bar 822 in the limiting channel 8120 and arranged 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 far away from the hardware and connected to each other, wherein a limiting driving member 823 for driving the first limiting bar 821 and the second limiting bar 822 to reciprocate longitudinally is disposed at one end of the first plate body and/or the second plate body. Therefore, in the present invention, not all the position-limiting members 82 are located in the feeding channel 801, but the position-limiting members are divided into the first position-limiting bars 821 and the second position-limiting bars 822, because in the actual operation process, the first position-limiting bars 821 may be separated from the feeding channel 801 during the longitudinal movement, and the second position-limiting bars 822 may be connected with the third sliding portion 8123 during the longitudinal movement in the position-limiting channel 8120, and further play a role of stabilizing, and prevent the first position-limiting bars 821 from being deviated or separated. As another embodiment of the present invention, a limiting groove 8211 for fixing or limiting the hardware to continue to be conveyed is disposed at one end of the first limiting strip 821 close to the hardware, and the limiting groove 8211 is formed in a concave manner towards the direction of the first plate body and is matched with the hardware, so in the present invention, the limiting groove 8211 is matched with the hardware, and the hardware can be clamped in the limiting groove 8211, so as to limit the hardware to continue to move along the feeding channel 801.

As another embodiment of the present invention, the material blocking member 83 includes a material blocking base 831 located in front of the material pressing slider 812 and close to the inlet of the feeding channel 801, a material blocking plate 832 located above the material blocking base 831, two stoppers 833 perpendicular to the lower side of the material blocking base 831 and capable of reciprocating up and down, and a material 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 the two blocking blocks 833 are respectively positioned in the two material blocking channels 833 and form a restraint area for restraining hardware with the material blocking base 831. In the invention, the hardware is installed one by one, and the plurality of hardware can be connected or abutted against each other in the transmission process, so that when the pressing member 81 pushes a first hardware, a second hardware adjacent to the first hardware can be driven, and therefore, the material blocking member 83 can separate the first hardware from the second hardware, and the first hardware is prevented from synchronously driving the second hardware.

As another embodiment of the present invention, the upper end of the first sliding portion 8121 is provided with a sensing notch 840 for the sensing member 84 to sense hardware, and the sensing notch 840 is communicated with the feeding channel 801; this response component 84 is including connecting on the supporting seat and being located the first response support 841 of feedstock channel 801 side, connect in first response support 841 top and can be relative first response support 841 pivoted second response support 842, and connect the fiber unit 843 on second response support 842, the light of fiber unit 843 can shine to response notch 840 and sense the hardware in the feedstock channel 801 to can accurately promote the hardware to the bowl cover mounting hole, avoid appearing the condition of hardware skew.

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 the supporting seat of the press-in structure and is used for placing the cup cover, the middle of the reaming boss 61 is provided with a moving channel 601 arranged along the transverse direction, and both sides of the reaming boss 61 are provided with reaming channels 602 arranged along the transverse direction and communicated with the moving channel 601; the reaming pins 62 are provided with at least two and respectively penetrate through the reaming channels 602; the reaming actuator 63 includes at least two coupling arms 631 coupled to the reaming pin 62 and positioned within the travel channel 601, and a pneumatic latch 632 coupled to the underside of the coupling arms 631. Therefore, in the actual operation process, when reaming pin 62 expands the cup cover mounting hole, gas claw 632 forerunner makes connecting arm 631 perform transverse motion along moving channel 601, and connecting arm 631 synchronously drives reaming pin 62 to perform transverse motion along reaming channel 602, thereby expanding the cup cover mounting hole, and facilitating the installation of hardware such as hardware. Compared with some existing cup cover assembling devices, the cup cover assembling device is not provided with the pin hole expanding mechanism, so that if the hole diameter of the pin hole is too small, the situation that the pin rod is not installed in place or cannot be installed and clamped in the pin hole is easily caused when the pin rod is installed, and if the hole diameter of the pin hole is too large, the pin rod is easily separated from the pin hole.

As another embodiment of the present invention, the broaching boss 61 includes a first boss portion 611 and a second boss portion 612 separable from each other, and the mutually distant sides of the first boss portion 611 and the second boss portion 612 are respectively provided with the broaching passage 602. As another embodiment of the present invention, the mutually approaching sides of the first and

second boss parts

611 and 612 are recessed to form a first notch 6111 and a second notch 6112, respectively, and the first notch 6111 and the second notch 61112 form the moving passage 601 around. Therefore, in the present invention, the reaming boss 61 is divided into a first boss portion 611 and a second boss portion 612, and the first boss portion 611 and the second boss portion 612 are recessed to form the moving channel 601, on one hand, to facilitate installation of the reaming pin 62, and on the other hand, to match a cup cover with a larger diameter, 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 reaming boss 61 is smaller, a cup cover with a smaller diameter can be placed, and when the first boss portion 611 and the second boss portion 612 are far away from each other, the diameter of the whole reaming boss 61 is smaller, a cup cover with a larger diameter can be placed, and therefore, the distance between the first boss portion 611 and the second boss portion 612 can be adjusted according to the size of the cup cover to fit more cup covers.

As another embodiment of the present invention, the lateral length of counterbore pin 62 is greater than the length of counterbore channel 602, and counterbore pin 62 has one end extending through counterbore channel 602 to the exterior and the other end in travel channel 601 and attached to one side of attachment arm 631 so that the counterbore pin extends out of counterbore boss 61 into the cup lid mounting hole. As another embodiment of the present invention, the connecting arm 632 longitudinally penetrates through the enlarged hole channel 602, the upper portion of the connecting arm 632 is provided with a connecting hole arranged along the transverse direction, and one end of the enlarged hole pin 62 close to the connecting arm 631 is clamped in the connecting hole, which is beneficial to enhancing the stability of the structure.

As another embodiment of the present invention, the pneumatic claw 632 includes a driving cylinder 6321, a fixed seat 6322 located above the driving cylinder 6321, and at least two driving members 6323 located above the fixed seat 6322 and connected to the connecting arm 632, and the upper end of the fixed seat 6322 is provided with a driving groove 6324 for the driving members 6323 to move in the transverse direction. As another embodiment of the present invention, the driver 6323 includes a driving block 641 disposed in a 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, the driving block 641 synchronously drives the driving arm 642 and drives the connecting arm 631 to move transversely along the moving channel 601, and 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 two slots for the driving arms 642 to engage with, and the two slots are located at the sides of the two connecting arms 631 that are away from each other, so as to avoid collision of the driving arms 642 during the process of the connecting arms 631 approaching each other, and the structural arrangement is reasonable and reliable. As another embodiment of the present invention, the present invention further includes a transfer table bottom plate 65 for supporting the reaming boss 61, the transfer table bottom plate 65 is provided with a bottom plate channel 651 through which the connecting arm 631 passes and moves, the bottom plate channel 651 is arranged in the transverse direction and communicates with the moving channel 601, and the transfer table bottom plate 65 is mainly used for supporting the reaming boss 61 or other structural members. As another embodiment of the present invention, the gas claw 632 further includes a cylinder fixing plate 6325, one side of the cylinder fixing plate 6325 is fixedly connected to the driving cylinder 6321, and the upper end of the cylinder fixing plate 6325 is fixedly connected to the turntable base plate 65, so that the cylinder fixing plate 6325 can be used to fix the gas claw 632, thereby preventing the gas claw 632 from shaking during driving, and improving the overall stability.

As another embodiment of the present invention, the conveyor includes a conveying mechanism arranged along the transverse direction, and two lifting mechanisms respectively located 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 upwards lifting the carrying base with the cup cover 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 pressing the cup cover lifted by the jacking assembly and comprises a pressing plate and a plurality of pressing assemblies which are connected to the pressing plate and arranged corresponding to the cup cover.

As another embodiment of the present invention, the positioning mechanism 981 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 the conveyor belt of the production line and moves along with the conveyor belt, and a carrier component 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 move synchronously, and a cylinder 24 connected with the supporting plate assembly 23, wherein a stopper 25 for stopping the carrying base 1 from moving along with the conveying belt is arranged in front of the positioning structure 2. Therefore, when the carrying base 1 moves along the conveyor belt to the positioning structure 2, the stop 25 limits the carrying base 1 to continue moving forward and stop above the pallet assembly 23, the pallet assembly 23 moves upward through the cylinder 24 and the lifting assembly 22 and pushes the carrying base 1 to lift upward, and the lower part of the carrying tray 11 is separated from the conveyor belt. In a specific operation process, the carrying base 1 moves along with the conveying belt, the stopper 25 senses that the carrying base 1 is close to the stopper and when the carrying base 1 is located 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 disc 11 is far away from the conveying belt, and at the moment, the carrying base 1 is in a stable state, and a mechanical arm on an assembly station is convenient to place a cup cover structure to be arranged on the carrier assembly 12 or install the cup cover structure to be arranged 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 plate 11 is located on the conveying belt again, at the moment, the carrying base 1 continues to move to the next assembly station along with the conveying belt, the positioning mechanism can not only carry the cup cover structure, but also push the carrying base upwards to keep the carrying base stable when the carrying base reaches the positioning mechanism, and the cup cover structure is placed or assembled conveniently.

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 both side ends of the base plate 21 and perpendicular to the base plate 21, and a pressing plate 262 connected to an upper end or a side end of the fixing plates 261 and perpendicular to the fixing plates 261, wherein the two fixing plates 261 are respectively located at both sides of the carriage in the length direction, and the pressing plate 262 protrudes from the inner side of the fixing plates 261. In the present invention, the fixing plates 261 are vertically connected to both side ends of the base plate 21, the pressing plates 262 are vertically connected to the upper ends or inner sides of the fixing plates 261, and the pressing plates 262 of the fixing plates 261 are respectively close to the other pressing plates 262. Therefore, in actual operation, when the carrying base 1 is pushed by the pallet assembly 23 to move upward, the lower end of the pressing plate 262 may abut against the upper end of the carrying base 1 to restrict the carrying base 1 from moving upward.

As another embodiment of the present invention, the pallet assembly 23 includes a pallet 231 arranged parallel to the base plate 21, a plurality of support rods 232 penetrating the pallet 231, and a plurality of connecting pins 233 penetrating the pallet 232, wherein upper ends of the support rods 232 and the connecting pins 233 protrude from an upper end of the pallet 231, and lower ends of the support rods 232 and the connecting pins 233 are fixed to the pallet 231 by fasteners. In the present invention, the middle of the supporting plate 231 is fixedly connected to the cylinder 24, the supporting plate 231 is sleeved on the lifting assembly 22 and is fixed to the lifting assembly 22, so that when the cylinder 24 pushes upwards, the cylinder 24 drives the supporting plate 231 and the lifting assembly 22 to move upwards relative to the base plate 21, the supporting rod 232 above the supporting plate 231 abuts against the lower end of the carrying tray 11, and the connecting pin 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 connected above carrier plate 11, and a plurality of carriers 122 for cup lids to be placed on and above the carrier plate; in the actual operation process, when the lower part of the carrying tray 11 is separated from the conveying belt, the upper end of the supporting rod 232 is abutted and connected with the lower end of the carrying tray 11, and the upper end of the carrier plate 121 is abutted and connected 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 carrier plate 121 can prevent the carrying base 1 from excessively moving upwards to ensure that the carrying base 1 is in the operation range of the assembly station.

As another embodiment of the present invention, the lifting assembly 22 includes at least a pair of guide shafts 221 penetrating through the substrate 21, and a bearing member 222 sleeved on the guide shafts 221 and connected to the substrate 21, wherein 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 lifting assembly 22 further includes a stopper plate 223 for restricting the upward movement of the guide shafts 221, and a stopper 224 coupled to the stopper plate 223, the stopper plate 223 being coupled to the lower ends of two adjacent guide shafts 221. Therefore, in the actual operation, the air cylinder 24 moves the supporting plate 231 and the guiding shaft 221 up and down relative to the bearing member 222, and the supporting rod 232 on the supporting plate 231 pushes the carrier tray 11 when the supporting plate 231 moves up. As another embodiment of the present invention, a first connection channel 1111 is disposed on the carrier plate 11, and a second connection channel 1112 corresponding to the first connection channel 1111 is disposed on the carrier plate 121, specifically, the carrier plate 11 includes an inner plate 111 for connecting the support rod and the connection pin, and an outer frame 112 capable of being connected to the 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 both disposed with the first connection channel 1111. Therefore, in the actual operation process, when the supporting rod 232 on the supporting plate 231 pushes the carrier tray 11 upwards, the lower portion of the carrier tray 11 is separated from the conveying belt, and the connecting pin 233 penetrates through the first connecting channel 1111 and the second connecting channel 1112, so as to further improve the stability of the carrier base 1 and prevent the carrier tray 11 from shaking after the supporting rod 232 pushes the carrier tray 11 to rise.

As another embodiment of the present invention, an unlocking member 4 for locking or unlocking the cup lid in the carrier 122 is disposed on the carrier plate 121. The unlocking piece 4 comprises a push rod 41 capable of moving along the upper end of the carrier plate 121 and an unlocking part 42 positioned at the front end of the push rod 41, an unlocking channel 1220 matched with the unlocking part 42 is arranged on the carrier 122, and when the push rod 41 is driven by external force to move forwards, the unlocking part 42 and the push rod 41 move synchronously and are separated from the unlocking channel 1220. During the movement of the carrying base along with the conveyer belt, the cup lids will shake and move in the carrying tool 122, the error influence on the assembly work of the next procedure is large, the structures can not be mutually positioned and matched, therefore, in the invention, the carrier plate 121 is provided with an unlocking piece 4 for locking or unlocking the cup cover, in the actual operation process, when the cup lid structure is placed on the carrier 122 at the assembling station, the push rod 41 and the unlocking portion 42 are driven by external force to move forward synchronously, the unlocking portion 42 is separated from the unlocking channel 1220, thereby increasing the accommodating space of the carrier 122, facilitating the cup lid structure to be completely placed in the carrier 122, when the cap structure is located in the carrier 122, the push rod 41 and the unlocking portion 42 move backwards simultaneously under the urging of the spring member or the reset member, the unlocking portion 42 is close to or located in the unlocking channel 1220, thereby reducing or limiting the receiving space of the carrier 122 and functioning to lock the carrier 122. Therefore, in the invention, the cup cover is locked by the unlocking piece 4, so that the shaking in the cup cover conveying process is greatly avoided, the assembly error of the next process caused by the displacement of the cup cover is avoided, in addition, the cup cover can be unlocked by the unlocking piece 4, the cup cover can be conveniently placed on the carrier 122 or taken out from the carrier 122 by an assembly station, 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 the push rod 41 to move and communicate with the mounting groove 1211. The rear end of the sliding groove 1212 is connected to the side of the carrier plate 121, and the front end of the sliding groove 1212 extends out of the periphery of the mounting groove 1211 to form an unlocking groove 1213 for accommodating the unlocking portion 42. Therefore, in actual operation, when the push rod 41 and the unlocking portion 42 are driven by external force to move forward along the sliding groove 1212, the unlocking portion 42 is disengaged from the unlocking channel 1220 and moves into the unlocking groove 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 corresponding to the unlocking portion 42, the bottom of the carrier 122 is provided with a groove for the movement of the push rod 41, and the groove is communicated with the opening and the sliding groove 1212, so as to facilitate the unlocking portion 42 to slide in 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 restoring the unlocking member 4, one end of the spring 43 is connected to the unlocking portion 42, and the other end abuts against an inner wall connected to a front portion of the unlocking groove 1213, when the unlocking portion 42 is separated from the unlocking passage 1220 and moves into the unlocking groove 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 passage 1220 and away from the unlocking groove 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 push rod 41 is no longer driven by external force, the spring 43 is no longer under the pressure of the unlocking portion 42, and the elastic force of the spring 43 can drive the unlocking portion 42 to move toward the unlocking channel 1220, so that the unlocking portion 42 locks the lid structure and prevents the lid from moving in the carrier 122.

As another embodiment of the present invention, the present invention further discloses a cup lid fixing mechanism, which is used for assembling cup lids on a production line, and includes the cup lid carrying base 1, the positioning structure 2 and the unlocking structure 45 described in any of the above embodiments, the positioning structure 2 is located on a production line conveying frame, and is used for limiting the movement of the cup lid carrying base 1 along with a conveying belt, the unlocking structure 45 is located on at least one side of the positioning structure 2, and is used for locking or unlocking the cup lids on the cup lid carrying base, the unlocking structure 45 includes a sliding table cylinder 451 reciprocating in a 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 lid carrying base 1 is provided 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 cylinder 451, and two driving rods coupled to the front end of the plate body, which are spaced apart and correspond to the positions of the push rods 41. Therefore, in an actual operation process, when the lid carrying base 1 moves along the conveyor belt to the positioning structure 2, the sensor 454 senses the 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 lid carrying base 1 to move forward, the driving rod contacts the push rod 41, and the unlocking member 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 strip mounting mechanism is used for bending the cup strip 100 and enlarging a mounting hole on the cup strip 100, so that the cup strip 100 is sleeved on the cup lid hardware, and the cup strip mounting and 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 a circumferential direction, and is used for clamping the cup strip 100 and transferring the cup strip 100 to an area to be bent; the expanding structure 102 is used for expanding the mounting holes at the 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 sides of the two first driving members 122, which are far away from each other; the bending structure 103 is located below the clamping structure 101 and close to the expansion piece 123, and comprises a positioning member 131 capable of abutting against one side of the cup belt 100 in the length direction, a bending member 132 capable of abutting against the other side of the cup belt 100 in the length direction, a second driving member 133 driving the positioning member 131 and the bending member 132 to move along the second direction, and a third driving member 134 driving the second driving member 133 to move along the 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 be sleeved on the expansion member 123. It should be noted that, in the present embodiment, the first direction refers to the longitudinal direction, i.e. the "Y" direction shown in fig. 1; the second direction is the transverse direction, i.e., the "X" direction shown in FIG. 1; the third direction is a vertical direction, i.e. the "Z" direction shown in fig. 1, and the cup belt 100 is a flat strip-shaped structure before being bent; in this embodiment, the gripping structure 101 may rotate in the circumferential direction, and the rotation is flexible and convenient for gripping the cup belt 100 from the robot 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 hinder the other operation structures from working; the expansion structure 102 mainly drives the expansion piece 123 to move 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 drives the bending wheels 1321 to approach to the two ends of the cup belt 100 mainly 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 approach to the expansion piece 123, so that the expansion piece 123 passes through the installation 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 jaws, and the clamping structure 101 rotates downwards, so that the cup belt 100 is located between the bending wheel 1321 and the expansion piece 123, namely, located in a to-be-bent area of the cup belt; at this time, when the gripping structure 101 places the cup strip 100, the third driving member 134 moves upward to lift the second driving member 133 and the bending member 132, so that the bending wheel 1321 is connected against the cup strip 100; after the cup belt 100 is placed in the area to be bent, the clamping structure 101 rotates upwards to be located at the position where the cup belt 100 is to be clamped, so that on one hand, other operating mechanisms can conveniently bend and transfer the cup belt, on the other hand, the next cup belt 100 can be clamped in time, and the operating efficiency is improved; after the bending wheel 1321 abuts against and is connected with the cup belt 100, the second driving member 133 drives the bending member 13 to be close to the positioning member 131, the cup belt 100 is clamped between the positioning member 131 and the bending wheel 1321, namely, the positioning member 131 abuts against the other side in the length direction of the cup belt 100, the bending wheel 1321 abuts against the other side in the length direction of the cup belt 100, when the second driving member 133 continuously drives the bending member 13, the bending wheel 1321 rolls along the side surface of the cup belt, because the positioning member 131 is limited in the middle of the cup belt 100, two ends of the cup belt 100 are pressed and bent, so that mounting holes at two ends of the cup belt 100 penetrate through the expansion piece 123, the cup belt 100 is connected to the expansion piece 123, and when the two first driving members 122 move in the first direction to approach each other, the cup belt 100 is bent from a flat shape to an arc shape, so that the cup belt 100 is assembled on the cup cover hardware. Therefore, the cup belt 100 is automatically clamped by the clamping structure 101, the two ends of the cup belt 100 are pressed and bent by the bending wheels 1321 on the bending structure 103, the two ends of the cup belt 100 are sleeved on the expansion piece 123, the mounting holes at the two ends of the cup belt 100 are expanded by the expansion structure 102, and the cup belt 100 is bent from a flat shape to an arc shape in a pre-setting manner, so that the assembly of the next process of the cup belt 100 is facilitated, the assembly efficiency of the cup belt 100 is improved, the whole pre-setting operation process of the cup belt 100 is automatic operation, manual participation is not needed, the working efficiency is greatly improved, and the labor intensity of workers is effectively reduced.

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 member 151 located at an upper end of the positioning base 141; the positioning member 151 includes a positioning support block 1511 engaged with the positioning base 141, and a positioning plate 1512 perpendicularly connected to the positioning support block 1511 near the end of the bending member 132, wherein two positioning grooves 1500 for passing the clamping jaws of the clamping structure 101 are separately disposed in the middle of the positioning plate 1512. In the present invention, the positioning base 141 is fixedly connected to the sliding table of the second driving member 122, and moves along the second direction along with the sliding table of the second driving member 122, the positioning support block 1511 is embedded and fixed at the upper end of the positioning base 141, the positioning plate 1512 is vertically connected to an end of the positioning support block 1511 close to the bending member 132, and the upper end of the positioning groove 1500 is provided with an opening for allowing the clamping jaw of the clamping structure 101 to pass through, it should be noted that in this 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 area of the limiting cup belt 100, and the two ends of the cup belt 100 bend to the side.

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

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

As another embodiment of the present invention, the bending structure 103 further includes a limiting member 135 for limiting the cup band 100 from being excessively bent; the position limiting member 135 includes a position limiting support 1351 vertically connected to the second driving member 133, a position limiting driving member 1352 connected to an upper end of the position limiting support 1351, and a position limiting rod 1353 connected to an end of the position limiting driving member 1352 near 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 member 1352 is fixedly connected to the upper end of the limit supporting seat 1351, and the limit rod 1353 is connected to one end of the limit driving member 1352 near the bending wheel 1321 and can relatively extend and retract, during the actual operation, when the two first driving members 122 move in the first direction to approach each other, the cup belt 100 is bent from a flat shape into an arc shape, and at this time, the middle arc of the cup belt 100 is raised and abuts against the end of the limit rod 1353, so as to limit the 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 fixed base 121, an expanding base 125 connected to the fourth sliding table 124, and a first driving member 126 connected to the expanding base 125 and driving the expanding base 125 to move in a first direction relative to the fixed base 121. Specifically, the expanding base 125 includes a first base portion 1251 located above the sliding table four 124, and a second base portion 1252 protruding from the first base portion 1251 near the positioning plate 1512, the expanding piece 123 is connected to the outside of the second base portion 1252 away from the other second base portion 1252, the protruding arrangement of the second base portion 1252 is convenient for the installation of the expanding piece 123 on the one hand, and on the other hand, the expanding piece 123 can be closer to the positioning plate 1512, so that the two ends of the cup band 100 can be sleeved on the expanding piece 123 after being bent.

As another embodiment of the present invention, the expanding member 123 is provided in a conical structure extending outward from the second base portion 1252, and the expanding member 123 includes a first expanding portion 1231 connected to the second base portion 1252, a second expanding portion 1232 connected to an outer side of the first expanding portion 1231, and a third expanding portion 1233 connected to an outer side of the second expanding portion 1232 and tapered; a plurality of connecting grooves 1234 spaced apart are disposed on the second expanding portion 1232 and the third expanding portion 1233, and a limiting block 1235 is disposed on the inner wall of the connecting groove 1234 close to the first expanding portion 1231. In the present invention, the extension member 123 is configured as a conical structure extending outward from the second base portion 1252 so that the cup band 100 mounting hole penetrates the extension member 123 and gradually enlarges the cup band 100 mounting hole, the first extension portion 1231 is fixedly connected to the outer side of the second base portion 1252, and the second extension portion 1232 and the third extension portion 1233 can be matched with the cup band separating member of other operating mechanism so as to detach and transfer the cup band on the extension member 123 to the cup lid.

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

As an embodiment of the invention, a transfer installation mechanism of a cup belt of a vacuum cup is disclosed, which is used for transferring and installing the cup belt on an expansion piece to hardware of a cup cover, and mainly comprises a conveying structure 21, a cup belt installation table 22 and a belt pushing 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 transferring 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 tape pushing structure 23 includes a tape pushing base 231 on the first conveying member 211, a first pushing member 232 for engaging the cup tape 100 and connected to the tape pushing base 231, a second pushing member 233 for pushing the cup tape 100 onto the hardware and connected to the tape pushing base 231, and a first tape pushing driving member 234 and a second tape pushing driving member 235 for driving the first pushing member 232 and the second pushing member 233 to move along the first direction. In the present invention, the first conveying member 211 may move in the first direction and make the entire belt pushing structure 23 approach or separate from the expander 123, or when the cup belt 100 is installed, the first conveying member 211 may move in the first direction and make the belt pushing structure 23 approach or separate from the cup belt installation table 22, and the second conveying member 212 may bring the entire first conveying member 211 and the entire first conveying member 211 to move in the second direction so as to approach the cup belt installation table 22; in addition, cup strap mounting platform 22 is mainly for carrying the lid and for cup strap 100 to connect to the lid, wherein mounting base 222 is mainly a platform for carrying lid 100, and mounting base 222 can be driven by second transmission member 223 to perform lifting motion along a third direction, so that the lid is lifted to a certain height for facilitating mounting of cup strap 100, and first transmission member 221 can drive whole second transmission member 223 and whole mounting base 222 to perform motion along a second direction; in addition, the belt pushing structure 23 mainly uses the first pushing member 232 and the second pushing member 233 to engage and push the cup belt, the belt pushing base 231 mainly connects the first pushing member 232 and the second pushing member 233, and the first belt pushing driving member 234 and the second belt pushing driving member 235 respectively drive the first pushing member 232 and the second pushing member 233 to move along the first direction. In a specific operation process, when the cup belt is connected to the expansion part 123, the first conveying member 211 drives the entire belt pushing structure 23 to approach the expansion part 123, the first belt pushing driving part 234 drives the first pushing member 232 to be connected with the expansion part 123 in a clamping manner, the cup belt on the expansion part 123 is connected to the first pushing member 232, the first conveying member 211 drives the entire belt pushing structure 23 to approach the expansion part 123, and the second conveying member 212 drives the entire belt pushing structure 23 to move to a position close to the cup belt mounting table 22; when a cup strip is to be transferred from the first pushing member 232 to the lid hardware, the first conveying member 211 drives the entire pushing structure 23 to approach the mounting base 222 on which the cup strip is placed, and drives the first pushing member 232 to approach or abut against the hardware via the first pushing belt driving member 234, and finally drives the cup strip 100 on the first pushing member 232 to separate from the first pushing member 232 via the second pushing belt driving member 233. Therefore, in the present invention, the first pushing member 232 is connected to the cup belt from the expanding member 123, and the second pushing member 233 is used to push the cup belt on the first pushing member 232 to the cup lid hardware, so as to greatly improve the transfer and assembly efficiency of the cup belt, and the first pushing member 232 is matched with the expanding member, so as to expand the cup belt hole, so that the cup belt can be sleeved on the cup lid hardware when the second pushing member 233 pushes the cup belt.

As another embodiment of the present invention, the first pushing member 232 is disposed to match with the expansion member 123 and penetrate the pushing shaft 2320 on the pushbelt base 231; the pushing shaft 2320 is provided at the middle thereof with a pushing passage 2231 for the expansion member 123 to connect and accommodate and a plurality of connecting protrusions 2322 arranged along the inner circumference of the pushing passage 2321, and the pushing shaft 2320 is provided at the outer circumference of one end portion near the expansion member 123 with a locking groove 2323 for the second pushing member 233 to connect. Further, in other embodiments, the expansion member 123 is provided in a conical structure extending outwardly from the second base portion 1252, and the expansion member 123 includes a first expansion portion 1231 connected to the second base portion 1252, a second expansion portion 1232 connected to an outer side of the first expansion portion 1231, and a third expansion portion 1233 connected to an outer side of the second expansion portion 1232 and having a tapered shape; a plurality of connecting grooves 1234 spaced apart are disposed on the second expanding portion 1232 and the third expanding portion 1233, and a limiting block 1235 is disposed on the inner wall of the connecting groove 1234 close to the first expanding portion 1231. In the present invention, the extension member 123 is configured as a conical structure extending outward from the second base portion 1252, so that the cup strip 100 mounting hole penetrates through the extension member 123 and gradually enlarges the cup strip 100 mounting hole, the first extension portion 1231 is fixedly connected to the outer side of the second base portion 1252, the second extension portion 1232 and the third extension portion 1233 can be in matching connection with the pushing channel 2231, and the connecting protrusion 2322 can be in snap connection with the connecting groove 1234, so as to detach the cup strip on the extension member 123 and mount the cup strip on the cup lid hardware. 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 lever 2343 connected to the first driving joint 2342 and arranged in the first direction, a second driving lever 2344 connected to the first driving lever 2343 and arranged vertically downward, and a connecting seat 2345 through which the first driving lever 2343 passes and connected above the push belt base 231. In other embodiments, the tape pushing base 231 is provided with a first connecting channel 2310 for connecting the second driving rod 2344, the pushing shaft 2320 is provided with a second connecting channel 2311 for connecting the second driving rod 2344 and communicating with the first connecting channel 2310, and the second driving rod 2344 can be connected in the first connecting channel 2310 and the second connecting channel 2311, so that the entire tape pushing base 231 and the pushing 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, and the pushing block 2332 is provided with a clamping channel 2333 matched with the clamping slot 2323. As another embodiment of the present invention, the second push belt driving member 235 includes a second driving cylinder 2351, and a second driving joint 2352 having two 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 arranged along the first direction, a first slide rail 2112 connected to the first conveying base 2111, a first sliding table 2113 connected to the first slide 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 slide rail 2112, and the first conveying member 211 is further provided with a stop member 215 for limiting the excessive displacement of the first sliding table 2113 so as to prevent the first sliding table 2113 from being separated from the first slide rail 2112.

As another embodiment of the present invention, the second conveying member 212 includes a second conveying base 2121 arranged in the 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 placing platform 2221 on which a cup cover can be placed, and a supporting member 2222 connected below the placing platform 2221, the second transmission member 223 includes an elevating slide table 2231 connected with a side portion of the supporting member 2222, and a third driving motor 2232 for moving the elevating slide table 2231 along a third direction, and the placing platform 2221 is surrounded by a plurality of protrusions 2220 for preventing the cup cover from moving.

As another embodiment of the present invention, the first driving member 221 includes a moving substrate 2211 arranged in the second direction, a guide rail 2212 connected to the moving substrate 2211 side, a fourth driving motor 2213 connected to the moving substrate 2211 side and positioned below the guide rail 2212, and a first driving table 2214 and a second driving table 2215 connected to the guide rail 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 driving table 2214, the second driving table 2215 is further provided with a mounting rod 2216, an installation groove 2217 which is concave and is used for connecting the mounting rod 2216 is disposed above the first driving table 2214, and when the installation groove 2217 is connected to the mounting rod 2216, the fourth driving motor 2213 can drive the whole first driving member 221 and the mounting base 222 synchronously.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An automatic production line for cup lids is characterized by comprising:

the cup belt mounting device is positioned at the downstream of the cup cover pressing device, and comprises a clamping structure for clamping a cup belt, a cup belt mounting table for placing the cup cover and mounting the cup belt, an expansion structure for expanding mounting holes at two ends of the cup belt, a bending structure for bending the cup belt, a belt pushing 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.

2. The automatic production line for cup lids as claimed in claim 1, wherein the positioning mechanism comprises: the carrying base comprises a carrying disc which can be placed above the conveyor belt and moves along with the conveyor belt, and a carrier assembly positioned above the carrying disc;

3. The automatic production line for cup lids as claimed in claim 2, characterized in that: the conveyor comprises a conveying mechanism arranged transversely 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 arranged on the conveying mechanism.

4. The automatic production line for cup lids as claimed in claim 3, characterized in that: the mounting mechanism comprises a supporting seat positioned on the mounting stand, a hole expanding structure positioned above the supporting seat and used for expanding the mounting hole of the first cover body, and a press-in structure used for pressing the hardware into the mounting hole of the first cover body;

the pressing structure comprises a pressing member capable of reciprocating along the transverse direction, a limiting member used for limiting hardware conveying and/or limiting movement of the pressing member, and a material blocking member used for blocking the hardware, a feeding channel which is longitudinally arranged and used for conveying the hardware is arranged at one end, close to the reaming structure, of the pressing member, and part or all of the limiting members are located in the feeding channel and can longitudinally move along the feeding channel; the front part of the press-in structure is provided with an induction component for inducing the position of hardware.

5. The automatic production line for cup lids as claimed in claim 4, wherein: the feeding machine comprises a feeding barrel for accommodating hardware and a vibration disc for conveying the hardware to the mounting mechanism, and conveying channels for conveying the hardware are arranged on two sides of the vibration disc;

6. The automatic production line for cup lids as claimed in claim 5, characterized in that: the reaming structure includes: the hole expanding 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 hole expanding boss, and hole expanding channels which are transversely arranged and communicated with the moving channel are arranged on two sides of the hole expanding boss;

7. The automatic production line for cup lids as claimed in claim 6, wherein: the jacking structure is used for upwards lifting the carrying base loaded with the cup cover 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;

8. The automatic production line for cup lids as claimed in claim 7, characterized in that: the expansion structure comprises a fixed seat, two first driving components which are connected to the fixed seat and can move along a first direction, and two expansion pieces which are respectively connected to the sides, far away from each other, of the two first driving components;

9. The automatic production line for cup lids as claimed in claim 8, characterized in that: 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 comprises a locating support block and a locating plate, wherein the locating support block is connected to the locating base in a clamping mode, the locating plate is vertically connected to the end, close to the bending component, of the locating support block, and two locating grooves for clamping the clamping jaw on the structure to pass through are formed in the middle of the locating plate in a separated mode.

10. The automatic production line for cup lids as claimed in claim 9, characterized in that: 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 to 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;