CN214454864U - Tear film assembly line before equipment - Google Patents

Abstract

The utility model discloses a dyestripping assembly line before equipment, include: a product loading device in which a plurality of tray trays for containing products are stacked; a relay transport mechanism adjacent to the product loading device; the product carrying mechanism is erected above the product feeding device; the product film tearing mechanism is arranged at the downstream of the product feeding device in the feeding direction; wherein, product handling mechanism includes: the product loading device comprises bases arranged on two sides of the product loading device, carrying beams connected to the two bases in a sliding mode, grabbing components connected to the carrying beams in a sliding mode, and a transverse moving driver and a carrying driver connected to the grabbing components and the carrying beams in a transmission mode. According to the utility model discloses, it can improve flat dyestripping efficiency and improve the dyestripping success rate.

Description

Tear film assembly line before equipment

Technical Field

The utility model relates to a nonstandard automation, in particular to dyestripping assembly line before equipment.

Background

In non-standard automation, it is known to use tear-off devices of different construction to tear off the film on the product before it is assembled. In the process of researching and realizing tearing off the product film, the utility model discloses the people discover that the dyestripping device among the prior art has following problem at least:

the structure sets up unreasonablely, leads to tearing the membrane process loaded down with trivial details, not coherent, not only tears the inefficiency and still appears tearing the problem of removing unclean easily.

In view of the above, it is necessary to develop a pre-assembly film tearing line to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that tear film assembly line/method existed before the above-mentioned equipment, the utility model aims to solve the technical problem that a tear film assembly line before equipment that can improve flat tear film efficiency and improve the tear film success rate is provided.

With regard to tear the membrane assembly line before the equipment, the utility model discloses a tear the membrane assembly line before the equipment of solving above-mentioned technical problem and include:

a product loading device in which a plurality of tray trays for containing products are stacked;

a relay transport mechanism adjacent to the product loading device;

the product carrying mechanism is erected above the product feeding device; and

the product film tearing mechanism is arranged at the downstream of the product feeding device in the feeding direction;

wherein, product handling mechanism includes: the product loading device comprises bases arranged on two sides of the product loading device, carrying beams connected to the two bases in a sliding mode, grabbing components connected to the carrying beams in a sliding mode, and a transverse moving driver and a carrying driver which are connected with the grabbing components and the carrying beams in a transmission mode.

Optionally, the product loading attachment includes:

the device comprises a rack, a product loading device, a tray disc recovery device and a relay conveying mechanism, wherein the rack is provided with a product loading station, a tray disc recovery station and a product transfer station which are sequentially arranged along a linear direction, and the relay conveying mechanism is adjacent to the product loading device at the product transfer station;

the product feeding assembly, the tray disc recovery assembly and the product positioning assembly are respectively arranged at the product feeding station, the tray disc recovery station and the product transfer station; and

and the power output end of the horizontal driving assembly is in transmission connection with the product positioning assembly.

Optionally, a product film tearing mechanism is provided with a film tearing assembly for peeling a film on a product; the film includes:

an annular membrane body adapted to the product and attached thereto; and

a clamping ear connected to an outer side of the membrane body and extending outwardly;

the film tearing assembly comprises a film tearing driver and a film tearing clamping jaw driven by the film tearing driver; the grabbing component comprises a suction nozzle body for adsorbing a product;

the product is carried by the grabbing component, so that the clamping lug extends into the clamping end of the film tearing clamping jaw.

Optionally, the film body is provided with a breakable indentation near the clamping lug;

the film tearing driver comprises a rotating driver and a clamping driver in transmission connection with a power output end of the rotating driver, and the film tearing clamping jaw is in transmission connection with the power output end of the clamping driver;

after the film tearing clamping jaw clamps the clamping lug, the rotary driver drives the clamping driver to rotate so that the film body is disconnected from the indentation under the traction of the clamping lug and the film body is divided into:

a laminating section adhered to the product;

and an opening section which is opened from the product under the traction of the clamping lug.

Optionally, the gripping assembly further comprises a rotary driving assembly in transmission connection with a power output end of the driving assembly, and the suction nozzle body is in transmission connection with the power output end of the rotary driving assembly;

when the rotary driver drives the clamping driver to rotate, so that after the clamping lug is lifted, the product drives the product to move relative to the film tearing clamping jaw through the driving assembly and the rotary driving assembly, the area of the lifting section is increased, and the area of the attaching section is correspondingly reduced.

Optionally, the interior of the suction nozzle body is hollow, the bottom of the suction nozzle body is opened to form an opening, and a plurality of circumferentially arranged adsorption holes are formed in the periphery of the opening; and

the inside demountable installation of suction nozzle body has the stopper, be formed with the shaping recess on the stopper, the ear on the product inner ring is impressed the shaping recess is with the shaping the shape of ear.

Optionally, the product positioning assembly is driven by the horizontal driving assembly to periodically perform reciprocating translation among the product loading station, the tray disc recovery station and the transfer station.

Optionally, the grabbing component slides back and forth along the carrying beam under the driving of the traverse driver, the carrying beam slides back and forth between the tray recovery station and the relay conveying mechanism under the driving of the carrying driver, so that the grabbing component grabs a single product at the product transfer station at each time and then carries the product to the product film tearing mechanism, and after a film on the product is torn off, the grabbing component carries the product to the relay conveying mechanism.

Optionally, the relay transmission mechanism includes:

the relay base is provided with a matching slide rail extending along the extension direction of the rack;

the bearing seat is in sliding fit with the matching slide rail; and

a relay driver drivingly connected to the susceptor 484;

the relay base is also provided with a sliding guide rod, the extension direction of the sliding guide rod is consistent with that of the matching slide rail, and the bearing seat is sleeved on the sliding guide rod in a penetrating manner; and the bearing seat is provided with a product positioning jig.

Optionally, the tray dish has seted up jacking constant head tank in its bottom, product locating component includes:

the lifting driver is in transmission connection with the horizontal driving assembly;

the object stage is in transmission connection with the power output end of the lifting driver and is matched into the jacking positioning groove of the corresponding tray disc;

tray dish locating component, it locates on the objective table, tray dish locating component includes:

a positioning driver; and

and the even number of jacking pieces are radially arranged on the circumferential direction of the object stage and are in transmission connection with the power output end of the positioning driver.

One of the above technical solutions has the following advantages or beneficial effects: because it has adopted product transport mechanism, relay transport mechanism, product loading attachment cooperatees with product dyestripping mechanism, make the product along with tray dish material loading in batches after, carry the mechanism through the product and shift to carrying out the dyestripping operation in the product dyestripping mechanism first, shift the product to relay transport mechanism after the dyestripping is accomplished again, shift to next station through relay transport mechanism, its process reasonable in design, the material loading, the operation links up after dyestripping and dyestripping shifts, and need not extra location step, the manipulator has still been saved simultaneously, the operation interval is shortened, can improve flat dyestripping efficiency and improve the dyestripping success rate, in addition can save equipment manufacturing cost.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: because radially arranged's top holder can carry out centering location to the tray dish in horizontal week through the jacking constant head tank for tray dish locating component can also carry out ascending location to the tray dish when carrying out the jacking that rises to the tray dish, becomes the process of jacking after the earlier horizontal location of original needs horizontal location and goes on with the jacking action is synchronous, has saved the positioning time, has further improved material loading efficiency.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: owing to adsorb the product through the suction nozzle body, order about by drive arrangement, the product removes to product dyestripping mechanism position department, and the shaping subassembly realizes promoting the inner ring ear respectively with adjustment product shape and clamp and get the film and peel off the film from the product with dyestripping assembly, whole dyestripping operation process is smooth, the film is difficult for remaining, has higher dyestripping efficiency and dyestripping success rate.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention, wherein:

fig. 1 is a top view of a pre-assembly tear film line according to one embodiment of the present invention;

fig. 2 is a perspective view of a relay transport mechanism in a pre-assembly tear film line according to one embodiment of the present invention;

FIG. 3 is a perspective view of a product loading assembly in a pre-assembly tear film line according to one embodiment of the present invention;

fig. 4 is a perspective view of the product loading device in the synchronous loading assembly line according to an embodiment of the present invention after a tray disc is hidden;

fig. 5 is a schematic view of a separating device of a product positioning assembly in a synchronous feeding line according to an embodiment of the present invention;

fig. 6 is a bottom view of a tray and a stage according to an embodiment of the present invention;

FIG. 7 is a side view of a product positioning assembly according to one embodiment of the present invention;

fig. 8 is a schematic structural diagram of a feeding driver according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a check ring according to an embodiment of the present invention;

fig. 10 is a top view of a proposed check ring according to an embodiment of the present invention;

FIG. 11 is a top view of a back stop along A-A according to one embodiment of the present invention;

FIG. 12 is a top view of a back stop buckle along B-B in accordance with an embodiment of the present invention;

fig. 13 is a schematic perspective view of a film tearing mechanism according to an embodiment of the present invention;

fig. 14 is a schematic perspective view of a film tearing assembly according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of a support according to an embodiment of the present invention;

fig. 16 is a schematic perspective view of a carrier according to an embodiment of the present invention;

fig. 17 is a schematic perspective view of a molding assembly according to an embodiment of the present invention;

fig. 18 is a schematic view of a forming head in an embodiment of the present invention;

fig. 19 is a schematic perspective view of a grasping assembly according to a preferred embodiment of the present invention;

fig. 20 is a schematic perspective view of an embodiment of the suction assembly of the present invention;

fig. 21 is an exploded view of the suction assembly of the present invention in one embodiment;

fig. 22 is a schematic perspective view of a stopper according to an embodiment of the present invention;

fig. 23 is a schematic view of the forming process according to an embodiment of the present invention;

fig. 24 is a schematic perspective view of a product according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

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 in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

According to an embodiment of the utility model combines the demonstration of fig. 1-3, can see that the dyestripping assembly line includes before the equipment:

a product loading device 3 in which a plurality of tray trays for containing products are stacked;

a relay transport mechanism 48 adjacent to the product loading device 3;

the product conveying mechanism 4 is erected above the product feeding device 3; and

a product tearing mechanism 42 provided downstream in the feeding direction of the product feeding device 3;

wherein, product handling mechanism 4 includes: the product loading device comprises bases 46 respectively arranged at two sides of the product loading device 3, a carrying cross beam 47 connected to the two bases 46 in a sliding manner, a grabbing component 43 connected to the carrying cross beam 47 in a sliding manner, and a traverse motion driver 44 and a carrying driver 41 respectively connected to the grabbing component 43 and the carrying cross beam 47 in a transmission manner.

Referring to fig. 3 to 5, the product feeding device 3 includes:

a frame 38, on which a product loading station 35, a tray recovery station 36 and a product transfer station 37 are arranged in a linear direction in sequence, wherein the relay conveying mechanism 48 is adjacent to the product loading device 3 at the product transfer station 37;

the product feeding assembly 31, the tray disc recovery assembly 33 and the product positioning assembly 32 are respectively arranged at the product feeding station 35, the tray disc recovery station 36 and the product transfer station 37; and

and the power output end of the horizontal driving assembly 34 is in transmission connection with the product positioning assembly 32.

Further, the product positioning assembly 32 is driven by the horizontal drive assembly 34 to periodically reciprocate between the product loading station 35, tray recovery station 36 and transfer station 37; the carrying beam 38 is erected between the carrier positioning station 113 of the loading conveyor 11 and the product transferring station 37 of the frame 38, and the grabbing component 39 slides back and forth along the carrying beam 38 under the driving of the carrying driver so as to switch back and forth between the carrier positioning station 113 and the product transferring station 37. When the products are loaded, the products are stacked in a tray and loaded into the product loading assembly 31 along with the tray at the product loading station 35, and the product positioning assembly 32 moves to the loading station 35 under the driving of the horizontal driving assembly 34 to take out the tray together with the products and then moves to the product transferring station 37.

Referring to fig. 4 and 5, the frame 38 is formed with a shuttle channel under the product loading assembly 31 and the tray recycling assembly 33, and the product positioning assembly 32 is driven by the horizontal driving assembly 34 to reciprocate in the shuttle channel. Due to the arrangement of the shuttle channel, the space utilization rate is further improved, the structure of the product feeding device is more compact, the action paths are shorter, and the feeding efficiency is further improved.

Referring to fig. 5 and 6, which clearly show in detail that the tray has a jacking locator slot formed in the bottom thereof, the product locator assembly 32 includes:

a lifting driver 323 which is in transmission connection with the horizontal driving component 34;

the object stage 325 is in transmission connection with the power output end of the lifting driver 323 and is matched into the jacking positioning groove of a corresponding tray;

a tray positioning assembly 324 disposed on the stage 325, the tray positioning assembly 324 comprising:

a positioning driver 3241; and

an even number of radially arranged support elements 3242 are arranged in the circumferential direction of the object carrier 325, and are in driving connection with the power take-off of the positioning drive 3241. Because radially arranged's top holder can carry out centering location to the tray dish in horizontal week through the jacking constant head tank for tray dish locating component can also carry out ascending location to the tray dish when carrying out the jacking that rises to the tray dish, becomes the process of jacking after the earlier horizontal location of original needs horizontal location and goes on with the jacking action is synchronous, has saved the positioning time, has further improved material loading efficiency.

Further, the lifters 3242 move away from or close to each other to extend or retract from the edge of the stage 325 by the driving of the positioning driver 3241; when the jacking piece 3242 extends out of the edge of the object stage 325, the outer end of the jacking piece is abutted against the inner side of the jacking positioning groove so as to jack and position the tray 321 in the radial direction; when the top holder is retracted from the edge of the stage 325, the outer end thereof is separated from the inner side of the lift positioning groove to unlock the positioning of the tray 321 in the radial direction. Referring to fig. 5 in conjunction with fig. 4, the object table 325 and the top support 3242 are completely located in the top positioning groove.

Further, the object stage 325 is further provided with a positioning slide rail, it should be understood that the supporting member 3242 is disposed in the positioning slide rail to limit the moving direction of the supporting member 3242, and it is particularly preferable that the object stage 325 is recessed downward to form the positioning slide rail, such an embodiment saves space, and can further increase the internal space of the jacking assembly.

Referring again to fig. 5 and 6, the supporting members 3242 are arranged to be composed of at least one positioning subset, each positioning subset includes a pair of supporting members 3242 oppositely arranged, and the corresponding pair of supporting members 3242 in each positioning subset is driven by the positioning driver 3241 to approach or move away from each other.

Furthermore, the jacking positioning groove is a polygon formed by surrounding at least four side edges, one positioning subset is arranged, and the movement direction of the jacking piece 3242 in the positioning subset coincides with one diagonal line of the jacking positioning groove. Because the movement direction of the jacking piece is coincided with one diagonal line of the jacking positioning groove, the track disc can still be centered and positioned in the horizontal direction on the premise of reducing the number of pairs of the jacking pieces as much as possible, and the structure is further simplified.

Further, the product positioning assembly 32 further includes two mutually opposite limiting plates 322, two the spacing of limiting plates 322 sets up in order to form the jacking location passageway that is located between the two, objective table 325 and tray dish positioning assembly 324 arrange in the jacking location passageway.

Further, the limit plates 322 are formed with an upper limit skirt 3221, the upper limit skirt 3221 joins the limit plate 322 inside a corresponding one of the limit plates 322 and extends at least approximately in a horizontal direction toward the inside of the jacking positioning channel;

the limit plates 322 are formed with a lower limit skirt 3222 located directly below the upper limit skirt 3221, the lower limit skirt 3222 joins the limit plate 322 inside a corresponding one of the limit plates 322 and extends at least approximately in a horizontal direction toward the inside of the jacking positioning passage; the tray disc is located between a respective pair of said upper and lower retaining skirt portions 3221, 3222. When the tray dish is located corresponding a pair of go up spacing skirt portion and time spacing skirt portion down, go up spacing skirt portion and can carry on spacingly and under the cooperation of lift driver to the top of tray dish, fix a position the levelness of tray dish, lower spacing skirt portion then can carry out the bearing to the tray dish.

Further, the projection of the upper and/or lower retaining skirt 3221, 3222 on a horizontal plane at least partially overlaps the projection of the tray on a horizontal plane.

Specifically, referring to fig. 7 again, the jacking drivers 323 are at least two and located at two ends of the object stage 325, so that the heights of the two ends of the object stage 325 are kept at the same horizontal plane, and the heights of the two ends of the tray disc 321 are kept consistent, and meanwhile, the two ends of the object stage 325 are symmetrically provided with the limiting plates 322, so that the two ends of the tray disc 321 are located at the same horizontal plane, thereby forming a dual guarantee.

As can be seen in conjunction with the illustrations of fig. 4 and 7, the product loading assembly 31 includes: at least two lifting drivers 313 fixedly mounted at a product loading station on the frame 38; at least two clamping driver frames 311, wherein each clamping driver 311 is in transmission connection with the power output end of a corresponding lifting driver 313;

the two lifting drivers 313 are arranged oppositely and at intervals to limit a blanking channel between the lifting drivers 313, a power output end of each clamping driver 311 is in transmission connection with a retainer plate 3112, and the two retainer plates 3112 are driven by the respective clamping drivers 311 to approach or separate.

Further, the clamping driver 311 further includes a fixing portion 3111, and the fixing portion 3111 is formed at an angle of preferably 90 degrees with respect to the retainer plate 3112 and is self-integrated. The cross-sectional area of the retainer plate 3112 at the end away from the clamp driver 311 is gradually decreased in the direction in which the upper clamp driver 311 approaches the tray.

Further, the cross-sectional area of the retainer plate 3112 at the end away from the clamp driver 311 is gradually decreased in the direction in which the clamp driver 311 approaches the tray.

In a specific embodiment, when the product positioning assembly 32 moves to a position right below the product loading assembly 31, the jacking actuator 323 is activated to move the object stage 325 upward until the tray positioner 324 fixes the tray 321 on the object stage 325; further, the grip actuator 311 is actuated to move horizontally away from the tray until the retainer plate 3112 is lifted off the tray 321, and then the elevation actuator 313 is raised upward by one tray so that the retainer plate 3112 is inserted into the gap between the tray and the next tray, thereby supporting the remaining tray stored on the product loading assembly 31. At this time, the stage 325 moves downward when the lifting driver 323 is started again, and at the same time, the lifting driver 313 descends downward by the height of a tray, so that the next feeding action is facilitated.

Further, the cross-sectional area of the end of the retainer plate 3112 is gradually decreased along the direction of the clamping driver 311 approaching the tray, so that the retainer plate 3112 can be inserted into the gap between the tray and the next tray

Referring again to fig. 4 and 10, the tray recycling assembly 33 includes at least two sets of check-fasteners 331 fixedly mounted at a recycling station on the rack 38, each set of check-fasteners 331 includes:

a fixing base 3312 fixedly mounted on the frame 38;

a check 3311 rotatably connected to the holder 3312 such that the check 3311 is rotatable relative to the holder 3312 to switch between an unlocked state and a locked state; and

referring to fig. 11 in conjunction with fig. 10, a reset member 3314 provided in the holder 3312 and elastically acting on the check 3311 such that the check 3311 rotates in a locking direction to reset from the unlocked state to the locked state;

wherein the check 3311 includes: a rotation section 33111 rotatably connected to the fixing base 3312; and a seating section 33112 fixed to an upper outer side of the rotation section 33111 and formed at an outer side of the seating section 33112 with a guide slope inclined outward from a bottom thereof, the restoring member 3314 acting between the upper inner side of the rotation section and the fixing base 3312.

Referring to fig. 10 and 11, the fixing member 3312 and the check member 3311 are provided with a horizontal through hole at the same horizontal height, and a rotating shaft 3313 is provided in the horizontal through hole; to prevent the rotation shaft 3313 from being separated from the transverse through hole, the check 3311 is provided with a longitudinal through hole perpendicular to the transverse through hole, and although not shown in the drawings, it should be understood that a fixing bolt 3315, preferably a bolt, is detachably coupled to the rotation shaft 3313.

Further, the inclination angle between the outer side of the rotating section 33111 of each set of the check ring 331 and the horizontal plane is α, the included angle between the inner side of the check member 3311 and the fixing member 3312 is β, and the tray disc 321 presses the check member 3311 to be close to the fixing member 3312 in the recycling process.

When the tray disc 321 on the product positioning component 32 is emptied at the transfer station 37, the product positioning component 32 moves to a position right below the tray disc recycling component 33 under the driving of the horizontal driving component 34, the lifting driver 323 is started to lift the tray disc 321, and passes through the check buckle 331 in the lifting process, because the outer side of the upper part of the rotating section 33111 and the outer side of the bearing section 33112 form a guiding inclined plane, the inclined angle between the outer side of the rotating section 33111 and the horizontal plane is α, and the included angle between the inner side of the check member 3311 and the fixing member 3312 is β, the check member 3311 gradually approaches to the fixing member 3312 under the pressing of the tray disc 321 in the lifting process of the tray disc 321 to be in an unlocked state; when the rising height of the tray disc 321 exceeds the check button 331, the check member 3311 returns to the original locked state by the reset member 3314, the tray disc 321 is supported on the horizontal plane formed by the check button 331 and the fixing segment 3312, the next tray disc 321 to be recovered repeats the above operation, the last tray disc 321 to be recovered is stacked above the next tray disc 321 to be recovered, and finally, the tray disc 321 is recovered, and the operation is repeatedly circulated to recover the tray disc.

In summary, the feeding process of the product along with the tray disk is as follows: the product positioning assembly 32 moves to a position right below the product loading assembly 31 under the action of the horizontal driving assembly 34, the jacking driver 323 drives the object stage 325 to ascend, the pair of jacking pieces 3242 are driven by the positioning driver 3241 to approach or separate from each other so as to jack and position the tray 321 from the jacking positioning groove at the bottom of the lowermost tray 321, after the tray 321 is jacked and positioned stably by the jacking pieces, the lifting driver 323 drives the tray 321 to descend into the shuttle channel, and the horizontal driving assembly 34 drives the tray 321 to move to the product transferring station 37 along the shuttle channel to wait for the component 43 to be grabbed to grab and carry.

Referring to fig. 1, the grasping assembly 43 is driven by the traverse driver 44 to slide back and forth along the carrying beam 47, the carrying beam 47 is driven by the carrying driver 41 to slide back and forth between the tray recovery station 36 and the relay conveying mechanism 48, so that the grasping assembly 43 carries a single product to the product film tearing mechanism 42 after grasping the product at the product transfer station 37 at a time, and the grasping assembly 43 carries the product 45 to the relay conveying mechanism 48 after the film on the product 45 is torn off.

Referring to fig. 2, the relay transport mechanism 48 includes:

a relay base 481 on which a mating slide rail 482 extending along the extending direction of the chassis 38 is provided;

a receiving base 484, which is slidably coupled to the coupling slide 482; and

a relay driver drivingly connected to the susceptor 484;

a sliding guide rod 483 is further disposed on the relay base 481, an extending direction of the sliding guide rod 483 is consistent with an extending direction of the adapting slide rail 482, and the receiving base 484 is sleeved on the sliding guide rod 483; the bearing base 484 is provided with a product positioning jig 485. The grabbing assembly 43 grabs a single product at the product transfer station 37 at each time and then carries the product to the product film tearing mechanism 42, after a film on the product 45 is torn off, the grabbing assembly 43 carries the product 45 to the relay conveying mechanism 48, then the bearing seat 484 is driven by the relay driver to slide to the next station along the adapting slide rail 482, and the product positioning jig 485 can stably clamp and position the product in the sliding process, so that additional positioning steps are saved, and the feeding efficiency is improved.

Referring to fig. 13-14, product tear mechanism 42 is provided with a tear film assembly 421 for peeling film 454 from product 45; the film 454 includes:

an annular membrane body 4541 adapted to the product 45 and affixed to the product 45; and

a clamping ear 4542 connected to an outer side of the membrane body 4541 and extending outwardly;

the film tearing assembly 421 comprises a film tearing driver and a film tearing clamping jaw 4214 driven by the film tearing driver; the gripper assembly 43 includes a nozzle body 436 for adsorbing the product 45;

the product 45 is handled by the gripper assembly 43 such that the gripping ears 4542 extend into the gripping ends of the tear film jaws 4214.

Referring to fig. 13, the product 45 includes a ring-shaped product body and ears 452 provided on an inner ring of the product body; the film 454 comprises a ring-shaped film body 4541 which is adapted to the product 45 and is attached to the product 45, and a holding lug 4542 which is connected to the outer side of the film body 4541 and extends outward, and meanwhile, the film body 4541 is provided with a breakable indentation 4543 near the holding lug 4542;

the film tearing mechanism 4 comprises a grabbing component 43 and a product film tearing mechanism 42; the grabbing component 43 is internally provided with a suction component for sucking the product 45 and a driving component for driving the suction component, the suction component is internally provided with a suction nozzle body 436, the product 45 is sucked on the suction nozzle body 436, and the product 45 is driven by the driving component, so that the product 45 is transferred/carried; referring to fig. 13 and 14, the product tearing mechanism 42 is provided with a tearing assembly 421 for gripping the film 454 attached to the product 45, the tearing assembly 421 includes a tearing driver and a tearing clamping jaw 4214 driven by the tearing driver, and the driving assembly is used for driving the grabbing assembly 43 to move; the product 45 is sucked by the suction nozzle body 436 and driven by the driving component, so that the product 45 moves close to the film tearing clamping jaw 4214, when the clamping lug 4542 extends into the clamping part of the film tearing clamping jaw 4214, the film tearing clamping jaw 4214 clamps the clamping lug 4542, and the film 454 is peeled off from the product 45.

Specifically, the driving assembly includes a first driving assembly 41 and a second driving assembly 44, and the nozzle body 436 is driven by the first driving assembly 41 and the second driving assembly 44 in a matching manner to move in the horizontal plane direction; a vertical driving assembly 431 is further disposed in the grabbing assembly 43, and the vertical driving assembly 431 drives the nozzle body 436 to move in the vertical direction;

the first driving assembly 41, the second driving assembly 44 and the vertical driving assembly 431 are used for facilitating the movement of the nozzle body 435 in three axial directions X, Y, Z so as to realize the movement of the product 45 in the film tearing equipment; specifically, the second driving assembly 44 is mounted on a movable end of the first driving assembly 41, wherein the movable end is a movable end of the driver, after the power output end of the driver is transmitted through the transmission module, the movable component in the driver moves in a certain direction under the transmission action of the transmission module, and the external component can be connected with the movable component, so that the movable component, which moves along with the movable component and drives the external component to move, is called as a movable end of the driver; the first driving assembly 41 drives the second driving assembly 44 to move along the X-axis direction; the grabbing component 43 is mounted on the movable end of the second driving component 44, and the second driving component 44 drives the grabbing component 43 to move along the Y-axis direction; the nozzle body 436 is disposed on a movable end of the vertical driving assembly 431, such that the vertical driving assembly 431 drives the nozzle body 436 to move along the Z-axis direction, and thus the first driving assembly 41, the second driving assembly 44, and the vertical driving assembly 431 drive the nozzle body 436 to move;

the first driving assembly 41 further comprises a guiding assembly, the second driving assembly 44 is overlapped between the first driving assemblies 41, the second driving assembly 44 is enabled to move more stably by the arrangement of the guiding assembly, and the gravity supporting positions of the second driving assembly 44 and the grabbing assembly 43 are arranged on the movable ends of the guiding assembly and the first driving assembly 41, so that the supporting force of each stress point is reduced, and the service life of the driving assemblies is prolonged.

In a preferred embodiment, the film tearing driver comprises a rotation driver 4213 and a clamping driver in transmission connection with a power output end of the rotation driver 4213, and the film tearing clamping jaw 4214 is in transmission connection with a power output end of the clamping driver; after the film tearing clamping jaw 4214 clamps the clamping lug 4542, the turning driver 4213 drives the clamping driver to rotate so that the film body 4541 is disconnected from the indentation 4543 under the traction of the clamping lug 4542 and the film body 4541 is divided into: a laminating section adhered to the product 45; and a lift segment that lifts from the product 45 under the traction of the grip ears 4542.

Specifically, the grabbing assembly 43 further comprises a rotary driving assembly 434 in transmission connection with a power output end of the driving assembly, and the nozzle body 436 is in transmission connection with a power output end of the rotary driving assembly 434; when the rotary driver 4213 drives the clamping driver to rotate, so that the clamping lug 4542 is lifted, the product 45 drives the product 45 to move relative to the film tearing clamping jaw 4214 through the driving component and the rotary driving component 434, so that the area of the lifted section is increased, and the area of the attaching section is correspondingly reduced; in the preferred embodiment, the rotary driving component 434 drives the nozzle body 436 to rotate, and at the same time, the vertical driving component 431 drives the nozzle body 436 to move along the Z-axis direction, so that the lifting tendency of the lifting section gradually spreads toward the attaching section until the film body is completely separated from the product, so that the product 45 on the nozzle body 436 quickly separates the film 454.

The film tearing device further comprises a forming assembly 424, the product film tearing mechanism 42 further comprises a support 423, the forming assembly 424 is mounted on the support 423, wherein the forming assembly 424 comprises a forming head 4242 and a pushing module 4241; the molding head 4242 is used for molding the ear portion 452 of the product 45, and the pushing module 4241 is used for pushing the molding head 4242.

As shown in fig. 15 and 16, the support 423 includes a work substrate 4231, a stage 425 is mounted on one surface of the work substrate 4231, and a mounting plate 4233 is mounted on the other surface of the work substrate 4231, specifically, the stage 425 is mounted on the upper surface of the work substrate 423, and the corresponding mounting plate 4233 is fixed on the lower surface of the work substrate 423; wherein the mounting plate 4233 is adapted to receive the molding assembly 424; the movement direction of the forming head 4242 is inclined relative to the working substrate 4231, a pushing hole 4252 penetrating through the upper surface and the lower surface is formed in the carrying platform 425 to form a bearing ring matched with the product 45, the sucking assembly sucks the product 45 and then transfers and presses the product 45 to the bearing ring, and the pushing module 4241 drives the forming head 4242 to enter the pushing hole 4252 so as to push the ear part 452 of the product 45 to the suction nozzle body 436;

the product 45 is adsorbed by the adsorption component and then moves to the carrier 425, and the carrier 425 and the adsorption component press the product body 451, so that the product 45 is fixed; after the product 45 is fixed, the pushing module 4241 pushes the forming head 4242, and the ear portion 452 is pushed to a projection position falling within the range of the product body 451, so that other products, specifically, the ear portion 452 in the horizontal position is pushed and deformed to be vertical in the subsequent assembly process.

Specifically, the carrier 425 and the nozzle body 436 have shapes substantially identical to the annular shape of the product body, and the receiving ring and the nozzle body 436 grip the product body to facilitate the molding of the ear portion 452 by the molding head 4242 to change the shape thereof.

The carrier 425 is further provided with a clamping gap 4251, when the suction assembly carries a product onto the carrier 425, the rotary driving assembly 434 rotates the nozzle body 436, so that the clamping lug 4542 falls into the clamping gap 4251 and protrudes outwards in the radial direction from the clamping gap 4251, and the clamping lug 4542 is opposite to the film tearing clamping jaw 4214; the film tearing assembly 421 comprises a linear driving module 4211, and a rotary driver 4213 is driven by the linear driving module 4211 to move towards the clamping gap 4251, so that a film tearing clamping jaw 4214 extends into the clamping gap 4251 to clamp the clamping ear 4542; specifically, the linear driving module 4211 drives the rotary driver 4213 to move along the Y-axis direction, and drives the film tearing clamping jaw 4214 to approach the positioning seat 4232;

the forming head 4242 is used for forming the ear part 452 of the product 45, and the pushing module 4241 is used for pushing the forming head 4242; the suction assembly includes a nozzle body 436;

further, the carrier 425 is provided with a pushing hole 4252 penetrating through the upper and lower surfaces to form a receiving ring adapted to the product 45, the sucking component sucks the product 45 and then transfers and presses the product 45 to the receiving ring, and the pushing module 4241 drives the forming head 4242 to enter the pushing hole 4252 to push the ear portion 452 of the product 45 to the suction nozzle body 436;

the product 45 is adsorbed by the adsorption component and then moves to the carrier 425, and the carrier 425 and the adsorption component press the product body 451, so that the product 45 is fixed; after the product 45 is fixed, the pushing module 4241 pushes the forming head 4242, and the ear portion 452 is pushed to a projection position falling within the range of the product body 451, so that other products, specifically, the ear portion 452 in the horizontal position is pushed and deformed to be vertical in the subsequent assembly process.

Specifically, the carrier 425 and the nozzle body 436 have shapes substantially identical to the annular product body 451, and the receiving ring and the nozzle body 436 clamp the product body 451 to facilitate the molding of the ear portions 452 by the molding head 4242 to change the shapes thereof.

In order to facilitate the pushing of the ear 452, the interference between the suction assembly and the ear 452 is avoided; as shown in fig. 20 to 22, the suction assembly includes a nozzle mount 435, a nozzle body 436, and a stopper 437; the product 45 comprises an annular product body 451 and an ear part 452 arranged on the inner ring of the product body 451, and since the position of the ear part 452 is in the subsequent assembly process to generate interference, in order to avoid the interference phenomenon, the ear part 452 needs to be pushed to the projection position falling within the range of the product body 451;

specifically, the suction nozzle mount 435, which is hollow inside to form a vacuum generation chamber; a nozzle body 436 which is hollow inside and opened at the bottom thereof to form an opening, so that the nozzle body 436 is annular in shape, and a plurality of circumferentially arranged adsorption holes 4361 are provided at the periphery of the opening corresponding to the product body 451; a limiting block 437, which is detachably mounted inside the nozzle body 436, wherein a forming groove 4371 for limiting a product is provided on the limiting block 437, and meanwhile, since the ear 452 on the product 45 can extend into the forming groove 4371, so that according to the internal shape of the forming groove 4371, the ear 452 is pressed into the forming groove 4371 through a forming mechanism adapted to the forming groove 4371, the ear 452 is formed into a simpler shape to meet the adaptation in the subsequent assembly process, and different limiting blocks 437 of the forming groove 4371 can be conveniently replaced through the detachably mounted limiting block 437, so that the shape of the formed ear 452 can be adjusted to meet the requirements of different shapes of the ear 452;

a plurality of air channels 4363 are formed in the side wall of the suction nozzle body 436, each air channel 4363 leads from a corresponding adsorption hole 4361 to a vacuum generation chamber, and the suction nozzle body 436 is communicated with the vacuum generation chamber on the suction nozzle mounting seat 435 through the adsorption holes 4361 and the air channels 4363, so that negative pressure is formed at the adsorption holes 4361 to adsorb a product; because the suction nozzle body 436 is provided with the built-in air path 4363 and the suction channels are arranged into three sections according to the extending path of the air path 4363, the interference of the traditional external air path on the movement path of the suction port mechanism is avoided, and the problem that the traditional external air path occupies a large space is also avoided.

Further, a suction hole 4351 used for communicating with an external negative pressure generating device is formed in the side wall of the suction nozzle mounting seat 435, the suction hole 4351 is communicated with the adsorption hole 4361, negative pressure is formed at the adsorption hole 4361, so that the suction nozzle body 436 adsorbs products, the suction nozzle body 436 adsorbs the product body 452 from multiple positions through the plurality of adsorption holes 4361 arranged circumferentially at the opening, the suction force at the position of each adsorption hole 4361 is reduced, the force on the product 45 is uniform, and the product 45 is prevented from being damaged.

Further, the ear 45 of product 45 is convenient for to stretch into by the uncovered on the suction nozzle body 436, has avoided touching ear 452 at the in-process suction nozzle body 436 who snatchs product 45, changes ear 452's position, has guaranteed that ear 452 is in its projection position and falls into product body 451 within range, has ensured follow-up assembly work and has normally gone on, has improved automation efficiency.

In a preferred embodiment, a slot 4362 is formed in a side wall of the nozzle body 436, a limit block 437 is embedded in the slot 4362, the limit block 437 corresponds to an ear 452 of the product, and the limit block 437 is detachably connected with the nozzle body 436, so that the limit block 437 is conveniently detached.

Specifically, the limiting block 437 includes an installation section and a molding section, the molding section is integrally combined with the installation section at one end of the installation section and extends downward, the limiting block 437 is installed on the top wall of the nozzle body 436 through the installation section, and the molding section is embedded in the notch 4362; in the preferred embodiment, the limiting block 437 is L-shaped, wherein the mounting section includes a fixing end 437a, the fixing end 437a is mounted on the open top surface, the forming section includes a connecting portion 437c and a limiting end 437d, and the connecting portion 437c and the limiting end 437d are disposed in the notch 4362; the part of the downward extending trend from the mounting section to the forming section comprises a turning part 437b, a limiting column is arranged at the position of the turning part 437b, and the limiting column is connected with the nozzle body 436 to limit the position of the limiting block 437, so that the limiting block 437 is stably connected with the nozzle body 436, and the limiting block 437 is prevented from deviating in the working process.

The cross-sectional area of the connecting part 437c near the limiting end 437d is gradually reduced, and the cross-sectional area of the limiting end 437d far away from the connecting part 437c is gradually increased, so that one end of the limiting block 437 embedded in the notch 4362 is in a V shape, and a forming groove 4371 for inward concave is formed between the connecting part 437c and the limiting end 437 d.

As shown in fig. 17 and 18, in a preferred embodiment, the pushing module 4241 pushes the forming head 4242 to move in an inclined direction relative to the ear 452 of the product 45, because, during the process of pushing the ear 452 to bend, after the forming head 4242 releases the pushing force on the ear 452, the ear 452 will return to a certain extent, in order to ensure that the ear 452 is adjusted to a fixed position range, the distance required to push the ear 452 should be greater than the theoretical distance from the ear 452 to the fixed position, the distance to return the ear 452 is reserved, and it is ensured that the ear 452 remains in the fixed position range after returning, therefore, the moving direction of the forming head 4242 is inclined relative to the ear 452, which facilitates the projection position of the ear 452 to fall within the position range of the product body 451;

the forming head 4242 comprises a forming end 4242a, and one end of the forming head 4242, which pushes the product 45, comprises a forming end 4242 a; the forming head 4242 is in transmission connection with the power output end of the pushing module 4241, a first limiting portion 4242b extending outwards is arranged on the side wall of the forming end 4242a, when the forming end 4242a pushes the lug portion 452 into the suction nozzle body 436, the first limiting portion 4242b is abutted against the bottom of the product 45, so that the depth of the forming head 4242 extending into the forming groove 4371 is limited.

As shown in fig. 23, in particular, the upper top surface of the shaped end 4242a contacts the ear 452 for urging the ear 452; the forming end 4242a is connected with the first limiting portion 4242b, an ear 452 is pressed in a forming groove 4371 for forming the shape of the ear 452, the forming end 4242a is convex, wherein the upper top surface of the forming end 4242a is attached to the ear 452 which is in a horizontal position before forming, the forming head 424 pushes the ear 452, so that the ear 452 is turned over until the ear 452 is separated from the upper top surface and contacted, at the moment, the surface of the forming end 4242a adjacent to the upper top surface and connected with the first limiting portion 4242b is a pressing surface, the pressing surface is attached to the ear 452, the forming head 4242 is driven by the pushing module 4241 to push the ear 452 towards the forming groove 4371, so that the pressing surface and the forming groove 4371 clamp the ear 452 to form the shape of the desired ear 452.

Furthermore, the other end of the forming head 4242, which is in contact with the product, is provided with a second limit portion 4242c, and the pushing hole 4252 limits the passage of the second limit portion 4242c, so as to limit the movement distance of the forming head 4242, thereby preventing the forming head 4242 from colliding with the inner side wall of the nozzle body 436.

The forming end 4242a is connected with the first position-limiting portion 4242b so as to form a V-shaped concave portion therebetween for the turning position where the product body 451 is connected with the ear portion 452, and the concave portion formed by the forming end 4242a and the first position-limiting portion 4242b corresponds to the tip of the position-limiting end 437d, so as to ensure the shape of the turning position where the product body 451 is connected with the ear portion 452.

As shown in fig. 19, the grabbing component 43 is further provided with a connecting support 432 and a detecting component 433, the detecting component 433 and the rotary driving component 434 are connected into a whole through the connecting support 432, a supporting plate 4321 for supporting the rotary driving component 434 is installed on the connecting support 432, a power output end of the vertical driving component 431 is in transmission connection with the connecting support 432, so that the connecting support 432 drives the detecting component 433 and the rotary driving component 434 to move along the Y-axis direction, the detecting component 433 detects and positions, the nozzle body 435 is driven by the first driving component 41 and the second driving component 44 to move to a position corresponding to the carrier 425, and the nozzle body 435 is driven by the vertical driving component 431 to be close to the positioning seat 4232, so that the product moves to the receiving ring, the clamping ear 4542 corresponds to the clamping gap 4251, and the clamping ear 454 is convenient for the film tearing clamping jaw 4214 to clamp;

the tearing film assembly 421 further comprises a connecting plate 4212, the tearing film assembly 421 is connected by the connecting plate 4212 to form an integral structure, and the structure of the tearing film assembly comprises that the connecting plate 4212 is arranged on the movable end of the linear driving module 4211, the rotating driver 4213 is arranged on the connecting plate 4212, the clamping driver is arranged on the rotatable end of the rotating driver 4213, and the tearing film clamping jaw 4214 is arranged on the clamping end of the clamping driver, so that the tearing film assembly 421 is convenient to realize the work of linear movement, film clamping and film overturning.

The film tearing step of the film tearing equipment specifically comprises the steps that a driving component drives a suction component to move, so that a suction nozzle body 436 sucks a product to move close to a carrier 425, a detection component 433 detects and positions the product, after the positioning is finished, the suction nozzle body 436 accurately places the product on the carrier 425, a pushing module 4241 pushes a forming head 424, so that the forming head 4242 pushes an ear part 452 to the inside of the suction nozzle body 436, while the forming assembly 424 forms the ear part 452, a linear driving module 4211 drives a film tearing clamping jaw 4214 to move towards a clamping gap 4251 on the carrier 425, so that the film tearing clamping jaw 4214 clamps a clamping ear 4542, a rotation driver 4213 drives the film tearing clamping jaw 4214 to rotate after the film is clamped, so that a film 454 is disconnected from an indentation 4543 under the traction of the clamping ear 4542 clamped by the film tearing clamping jaw 4214, the film clamped by the clamping jaw 4214 is overturned around a Y axis, and then the suction nozzle body 435 is driven to rotate by a rotation driving component 434, the product 45 is driven to rotate in the horizontal plane direction, and meanwhile, the vertical driving assembly 431 drives the suction nozzle body 436 to ascend, so that the lifting trend of the lifting section of the film 454 gradually spreads to the attaching section until the film body 4541 is completely separated from the product 45, the film 454 is torn from the product body, the film 454 is quickly and conveniently torn from the product body 45 through the film tearing step, and the film tearing efficiency is higher.

A waste material box 422 is arranged between the film tearing assembly 421 and the support 423, after the film 454 is torn from the product 45, the linear driving module 4211 drives the film tearing clamping jaw 4214 to be away from the positioning seat 4232 along the Y-axis direction, at this time, the linear driving module 4211 drives the film tearing clamping jaw 4214 which clamps the torn film 454 to move to the position above the waste material box 422, and the torn film is placed in the waste material box 422 by the film tearing clamping jaw 4214.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

The features of the different implementations described herein may be combined to form other embodiments not specifically set forth above. The components may be omitted from the structures described herein without adversely affecting their operation. Further, various individual components may be combined into one or more individual components to perform the functions described herein.

Furthermore, while the embodiments of the invention have been disclosed above, it is not intended to be limited to the details shown, which are set forth in the description and the examples, but rather, it is to be understood that the invention is capable of modification in various other respects, all without departing from the general concept as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a tear film assembly line before equipment which characterized in that includes:

a product loading device (3) in which a plurality of tray trays for containing products are stacked;

a relay transport mechanism (48) adjacent to the product loading device (3);

the product carrying mechanism (4) is erected on the product feeding device (3); and

a product film tearing mechanism (42) which is arranged at the downstream of the product feeding device (3) in the feeding direction;

wherein the product handling mechanism (4) comprises: the product loading device comprises bases (46) arranged on two sides of the product loading device (3) respectively, a carrying cross beam (47) connected to the two bases (46) in a sliding mode, a grabbing assembly (43) connected with the carrying cross beam (47) in a sliding mode, and a transverse moving driver (44) and a carrying driver (41) connected with the grabbing assembly (43) and the carrying cross beam (47) in a transmission mode respectively.

2. The pre-assembly tear film line of claim 1, wherein said product feeding means (3) comprises:

the device comprises a rack (38), a product loading station (35), a tray recovery station (36) and a product transfer station (37) which are sequentially arranged along a linear direction, wherein a relay conveying mechanism (48) is adjacent to a product loading device (3) at the product transfer station (37);

the product feeding assembly (31), the tray disc recovery assembly (33) and the product positioning assembly (32) are respectively arranged at the product feeding station (35), the tray disc recovery station (36) and the product transfer station (37); and

and the power output end of the horizontal driving assembly (34) is in transmission connection with the product positioning assembly (32).

3. The pre-assembly film tearing line according to claim 1 or 2, wherein the product tearing mechanism (42) is provided with a film tearing assembly (421) for peeling off the film (454) on the product (45); the membrane (454) comprises:

an annular membrane body (4541) adapted to the product (45) and affixed to the product (45); and

a clamping ear (4542) connected to an outer side of the membrane body (4541) and extending outwardly;

wherein the film tearing assembly (421) comprises a film tearing driver and a film tearing clamping jaw (4214) driven by the film tearing driver; the gripping assembly (43) comprises a nozzle body (436) for adsorbing a product (45);

the product (45) is handled by the gripper assembly (43) such that the gripping ears (4542) protrude into the gripping ends of the tear film jaws (4214).

4. The pre-assembly tear film line of claim 3, wherein said film body (4541) is formed with a frangible indentation (4543) adjacent said gripping ears (4542);

the film tearing driver comprises a rotating driver (4213) and a clamping driver in transmission connection with a power output end of the rotating driver (4213), and the film tearing clamping jaw (4214) is in transmission connection with the power output end of the clamping driver;

after the film tearing clamping jaw (4214) clamps the clamping ear (4542), the rotary driver (4213) drives the clamping driver to rotate so that the film body (4541) is disconnected from the indentation (4543) under the traction of the clamping ear (4542) and the film body (4541) is divided into:

a laminating section to which the product (45) is adhered;

and a lifting section lifted from the product (45) under the traction of the clamping lug (4542).

5. The pre-assembly film tearing assembly line of claim 4, wherein the gripping assembly (43) further comprises a rotary drive assembly (434) in transmission connection with a power output end of the drive assembly, and the nozzle body (436) is in transmission connection with a power output end of the rotary drive assembly (434);

when the rotary driver (4213) drives the clamping driver to rotate, so that the clamping ears (4542) are lifted, the product (45) is driven to move relative to the film tearing clamping jaws (4214) through the driving assembly and the rotary driving assembly (434), the area of the lifting section is increased, and the area of the attaching section is correspondingly reduced.

6. The pre-assembly film tearing line according to claim 3, wherein the nozzle body (436) is hollow inside and is opened at the bottom thereof to form an opening, and the periphery of the opening is provided with a plurality of circumferentially arranged adsorption holes (4361); and

the inside demountable installation of suction nozzle body (436) has stopper (437), be formed with shaping recess (4371) on stopper (437), ear (452) on product (45) inner ring are impressed shaping recess (4371) with the shaping the shape of ear (452).

7. The pre-assembly tear film line of claim 2, wherein said product positioning assembly (32) is periodically reciprocally translated between said product loading station (35), tray recovery station (36) and transfer station (37) driven by said horizontal drive assembly (34).

8. The pre-assembly film tearing line of claim 1 or 2, wherein the gripping assembly (43) is driven by the traverse drive (44) to slide back and forth along the carrying beam (47), the carrying beam (47) is driven by the carrying drive (41) to slide back and forth between the tray recovery station (36) and the relay conveyor (48), so that the gripping assembly (43) carries a single product to the product film tearing mechanism (42) each time the product (45) is gripped at the product transfer station (37), and the gripping assembly (43) carries the product (45) to the relay conveyor (48) after the film on the product (45) is torn.

9. The pre-assembly tear film line of claim 8, wherein said relay transport mechanism (48) comprises:

a relay base (481) provided with a matching slide rail (482) extending along the extension direction of the rack (38);

a bearing base (484) which is slidably matched with the matching slide rail (482); and

a relay driver drivingly connected to the susceptor 484;

the relay base (481) is further provided with a sliding guide rod (483), the extending direction of the sliding guide rod (483) is consistent with the extending direction of the matching slide rail (482), and the bearing seat (484) is sleeved on the sliding guide rod (483); and a product positioning jig (485) is arranged on the bearing seat (484).

10. The pre-assembly film tearing line of claim 2, wherein the tray has a jacking detent provided at a bottom thereof, the product detent assembly (32) comprising:

the lifting driver (323) is in transmission connection with the horizontal driving component (34);

the object stage (325) is in transmission connection with the power output end of the lifting driver (323) and is matched into the jacking positioning groove of the corresponding tray;

a tray positioning assembly (324) disposed on the stage (325), the tray positioning assembly (324) comprising:

a positioning driver (3241); and

an even number of supporting pieces (3242) which are radially arranged on the circumference of the object stage (325) are in transmission connection with the power output end of the positioning driver (3241).

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