CN112537114A

CN112537114A - Film tearing device

Info

Publication number: CN112537114A
Application number: CN202011064887.2A
Authority: CN
Inventors: 缪磊; 袁文卿; 肖夕全; 王坤
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-03-23
Anticipated expiration: 2040-09-30
Also published as: CN112537114B

Abstract

The invention relates to a film tearing device, comprising: the grabbing mechanism is used for conveying the annular workpiece, a suction port mechanism is arranged in the grabbing mechanism, the suction port mechanism comprises a suction nozzle body, the suction nozzle body is hollow, an opening is formed at the bottom of the suction nozzle body, and a plurality of axially-arranged adsorption holes for adsorbing the annular workpiece are formed in the periphery of the opening; the film tearing mechanism body is provided with a film tearing assembly for peeling a film on the annular workpiece; the film tearing assembly comprises a clamping jaw; the carrying platform is used for carrying an annular workpiece, and a clamping gap is formed in the carrying platform; the guiding part of the film correspondingly clamps the notch; the annular workpiece is sucked through the grabbing mechanism and moved to the carrying platform, the clamping jaw extends into the clamping gap to clamp the guide part of the film, the clamping jaw and the annular workpiece move relatively, the film is stripped from the annular workpiece, the film is clamped by the film tearing assembly, and the film is stripped from the annular workpiece, so that the annular workpiece can be conveniently assembled on a product.

Description

Film tearing device

Technical Field

The invention relates to the field of nonstandard automatic assembly, in particular to a film tearing device.

Background

In the automatic assembly including a ring-shaped workpiece, as shown in fig. 13, an ear structure is provided on an inner ring of the workpiece, the ear structure is connected to the inner ring of the workpiece, during the assembly, other workpieces are installed in the inner ring space of the ring-shaped workpiece, in order to avoid the ear structure interfering with the assembly in the inner ring, at least the ear structure is adjusted to the position shown in fig. 12, and in order to ensure that the ear structure is at the position, specifically, the ear structure is at the position where the projection position of the ear structure is tangent to and beyond the inner ring, the interference between the ear structure and other workpieces during the assembly can be avoided, in order to ensure that the position of the ear structure is at a fixed position, the shape and position of the ear structure are adjusted, and at the same time, in order to facilitate the assembly, the ring-shaped workpiece is coated with glue and sealed by a film, when the film needs to be torn off during processing, the equipment which can adjust the shape and the position of the ear structure and tear off the film at the same station is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a film tearing device.

The technical scheme of the invention is summarized as follows:

the invention provides a film tearing device, which comprises:

the grabbing mechanism is internally provided with a suction component and a driving component for driving the suction component; and

the film tearing mechanism body is provided with a film tearing assembly for peeling a film on the annular workpiece;

the film includes:

the annular membrane body is adaptive to the annular workpiece and attached to the annular workpiece; 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 claw driven by the film tearing driver; the suction assembly comprises a suction nozzle body for sucking the annular workpiece;

the annular workpiece is conveyed through the grabbing mechanism, so that the clamping lug extends into the clamping end of the film tearing clamping jaw.

Preferably, the membrane body is formed with a readily breakable indentation near the clamping ear;

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 joint section adhered to the annular workpiece;

and the lifting section is lifted from the annular workpiece under the traction of the clamping lug.

Preferably, the gripping mechanism 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 the clamping lugs are lifted, the annular workpiece drives the annular workpiece 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.

Preferably, the drive assembly comprises:

a first drive assembly and a second drive assembly in driving connection with a power take-off of the first drive assembly, an

The vertical driving component is used for driving the suction component to move in the vertical direction;

the vertical driving assembly is in transmission connection with a power output end of the second driving assembly, and the suction assembly is driven by the first driving assembly, the second driving assembly and the vertical driving assembly.

Preferably, the interior of the suction nozzle body is hollow, the bottom of the suction nozzle body is opened to form an opening, and the periphery of the opening is provided with a plurality of circumferentially arranged adsorption holes; 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 annular workpiece inner ring is impressed the shaping recess is with the shaping the shape of ear.

Preferably, a notch is formed in the side wall of the suction nozzle body, and the limiting block is embedded in the notch;

the limiting block comprises an installation section and a molding section, and the molding section is integrally combined with the installation section at one end of the installation section and extends downwards;

the limiting block is mounted on the top wall of the suction nozzle body through the mounting section, and the forming section is embedded in the notch; the forming groove is formed inside the forming section and exposed in the notch.

Preferably, the forming section comprises a connecting part and a limiting end;

the connecting part integrally combines the mounting section and the limiting end; the cross section area of the connecting part close to the direction of the limiting end is gradually reduced, and the cross section area of the limiting end far away from the direction of the connecting part is gradually increased, so that the forming groove which is inwards sunken is formed in the forming section.

Preferably, the film tearing mechanism body further comprises:

the forming assembly is internally provided with a forming head and a pushing module for driving the forming head; the carrying platform is used for carrying the annular workpiece;

the suction nozzle comprises a suction nozzle body, a suction assembly, a forming head and a pushing module, wherein the suction nozzle body is provided with a bearing ring matched with an annular workpiece, the bearing ring is provided with an ejecting hole penetrating through the upper surface and the lower surface, the suction assembly sucks the annular workpiece and then transfers the annular workpiece to the bearing ring and presses down the annular workpiece, and the pushing module drives the forming head to enter the ejecting hole to eject the ear part of the annular workpiece into the suction nozzle body.

Preferably, the carrier is provided with a clamping gap, and when the suction assembly carries the annular workpiece to the carrier, the clamping lug falls into the clamping gap and protrudes outwards from the clamping gap in the radial direction, so that the clamping lug is opposite to the film tearing clamping jaw.

Preferably, one end of the forming head, which pushes the annular workpiece, comprises a forming end;

the forming head is in transmission connection with a power output end of the pushing module, a first limiting part extending outwards is arranged on the side wall of the forming end, and when the forming end pushes the lug part into the suction nozzle body, the first limiting part is in contact with the film body;

the other end of the forming head corresponding to the forming end is provided with a second limiting part which is abutted against the lower bottom surface of the carrying platform so as to limit the second limiting part from entering the pushing hole.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a film tearing device, wherein an annular workpiece is adsorbed by a suction nozzle body and driven by a driving device, the annular workpiece is moved to the position of a film tearing mechanism body, and a forming assembly and a film tearing assembly respectively realize the purposes of pushing an inner ring lug part to adjust the shape of the annular workpiece, clamping a film and peeling the film from the annular workpiece, so that the annular workpiece is conveniently assembled on a product, the processing steps are integrated, the processing efficiency is improved, and the film tearing equipment has a simple structure and is reliable and convenient to work.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

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 to a lesser extent. In the drawings:

FIG. 1 is a schematic perspective view of a film tearing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a main body of a film tearing mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a tear away assembly according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a support according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a carrier according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a molding assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of a molding head in one embodiment of the present invention;

FIG. 8 is a schematic perspective view of a gripping mechanism according to a preferred embodiment of the present invention;

FIG. 9 is a schematic perspective view of an exemplary embodiment of a suction assembly of the present invention;

FIG. 10 is an exploded view of the extraction assembly in one embodiment of the present invention;

FIG. 11 is a schematic perspective view of a limiting block according to an embodiment of the present invention;

FIG. 12 is a schematic view of a forming process according to an embodiment of the present invention;

fig. 13 is a schematic perspective view of an annular workpiece according to an embodiment of the present invention.

Description of reference numerals:

4. a film tearing mechanism body;

41. a first drive assembly;

42. a film tearing mechanism body;

421. a film tearing assembly;

4211. a linear driving module; 4212. a connecting plate; 4213. a rotation driver; 4214. a film tearing clamping jaw;

422. a waste material box;

423. a support;

4231. a working substrate;

4232. mounting a plate;

424. a molding assembly;

4241. a pushing module;

4242. a forming head; 4242a, a forming end; 4242b, a first limit part; 4242c, a second limit part;

4243. a guide module;

425. a stage; 4251. clamping the notch; 4252. pushing the hole;

43. a grabbing mechanism;

431. a vertical drive assembly;

432. connecting a bracket; 4321. a support plate;

433. a detection component;

434. a rotary drive assembly;

435. a suction nozzle mounting seat;

4351. a suction hole;

436. a suction nozzle body;

4361. an adsorption hole; 4362. a notch;

437. a limiting block;

437a, fixed end; 437b, a turning part; 437c, a connecting part; 437d, a limiting end;

4371. forming a groove;

44. a second drive assembly;

45. an annular workpiece; 452. an ear portion; 454. a film; 4541. a membrane body; 4542. a clamping lug; 4543. And (6) indentation.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, will become apparent to those skilled in the art from this detailed description. 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. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. 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.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1, the present invention provides a film tearing apparatus, which includes a film tearing mechanism body 4, and a film 454 attached to an annular workpiece 45 is peeled off through the film tearing mechanism body 4, as shown in fig. 13, the annular workpiece 45 includes an annular workpiece body and an ear portion 452 provided on an inner ring of the workpiece body; the film 454 comprises a ring-shaped film body 4541 which is adapted to the ring-shaped workpiece 45 and is attached to the ring-shaped workpiece 45, and clamping ears 4542 which are connected to the outer side of the film body 4541 and extend outward, and meanwhile, the film body 4541 is provided with a breakable indentation 4543 near the clamping ears 4542;

the film tearing mechanism body 4 comprises a grabbing mechanism 43 and a film tearing mechanism body 42; the grabbing mechanism 43 is internally provided with a suction component for sucking the annular workpiece 45 and a driving component for driving the suction component, the suction component is internally provided with a suction nozzle body 436, the annular workpiece 45 is sucked on the suction nozzle body 436, and the annular workpiece 45 is driven by the driving component, so that the annular workpiece 45 is transferred/conveyed; referring to fig. 2 and 3, the film tearing mechanism body 42 is provided with a film tearing assembly 421 for clamping the film 454 attached to the annular workpiece 45, the film tearing assembly 421 includes a film tearing driver and a film tearing clamping jaw 4214 driven by the film tearing driver, and the driving assembly is used for driving the grabbing mechanism 43 to move; the annular workpiece 45 is sucked by the suction nozzle body 436 and driven by the driving assembly, so that the annular workpiece 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 annular workpiece 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 mechanism 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 annular workpiece 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, so that 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 mechanism 43 is mounted on the movable end of the second driving assembly 44, and the second driving assembly 44 drives the grabbing mechanism 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 in 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 position of the second driving assembly 44 and the grabbing mechanism 43 is arranged on the guiding assembly and the movable end of 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 bonding section bonded to the annular workpiece 45; and a lifting section lifted from the annular workpiece 45 under the traction of the clamping lug 4542.

Specifically, the grabbing mechanism 43 further comprises a rotary driving component 434 in transmission connection with a power output end of the driving component, and the nozzle body 436 is in transmission connection with a power output end of the rotary driving component 434; when the rotary driver 4213 drives the clamping driver to rotate, so that the clamping lug 4542 is lifted, the annular workpiece 45 drives the annular workpiece 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 annular workpiece, so that the annular workpiece 45 on the nozzle body 436 can rapidly separate the film 454.

The film tearing device further comprises a forming assembly 424, the film tearing mechanism body 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 forming head 4242 is used for forming the ear portion 452 of the ring-shaped workpiece 45, and the pushing module 4241 is used for pushing the forming head 4242.

As shown in fig. 4 and 5, the support 423 includes a working substrate 4231, a stage 425 is mounted on one surface of the working substrate 4231, and a mounting plate 4233 is mounted on the other surface of the working substrate 4231, specifically, the stage 425 is mounted on the upper surface of the working substrate 423, and the corresponding mounting plate 4233 is fixed on the lower surface of the working 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 carrier 425 to form a bearing ring matched with the annular workpiece 45, the sucking assembly sucks the annular workpiece 45 and then transfers and presses the annular workpiece 45 down onto the bearing ring, and the pushing module 4241 drives the forming head 4242 to enter the pushing hole 4252 so as to push the lug part 452 of the annular workpiece 45 into the suction nozzle body 436;

the ring-shaped workpiece 45 is sucked by the suction assembly and then moved to the stage 425, and the stage 425 and the suction assembly press the workpiece body 451, thereby fixing the ring-shaped workpiece 45; after the annular workpiece 45 is fixed, the pushing module 4241 pushes the forming head 4242, and the ear portion 452 is pushed to the projection position falling within the range of the workpiece body 451, so that other workpieces, 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 shape of the ring-shaped workpiece body, and the receiving ring and the nozzle body 436 grip the workpiece body to facilitate the molding of the ears 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 the annular workpiece to the carrier 425, the rotary driving assembly 434 rotates the nozzle body 436, so that the clamping lug 4542 falls in 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 annular workpiece 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 pushing holes 4252 penetrating through the upper and lower surfaces to form a receiving ring adapted to the annular workpiece 45, the suction assembly sucks the annular workpiece 45 and then transfers and presses the annular workpiece 45 to the receiving ring, and the pushing module 4241 drives the forming head 4242 to enter the pushing holes 4252 to push the ear portions 452 of the annular workpiece 45 to the nozzle body 436;

Specifically, the carrier 425 and the nozzle body 436 have shapes substantially identical to the annular workpiece body 451, and the receiving ring and the nozzle body 436 clamp the workpiece 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. 9 to 11, the suction assembly includes a nozzle mount 435, a nozzle body 436, and a stopper 437; the annular workpiece 45 comprises an annular workpiece body 451 and an ear part 452 arranged on the inner ring of the workpiece body 451, and since the position of the ear part 452 is in subsequent assembly processing to generate interference, in order to avoid interference phenomenon, the ear part 452 needs to be pushed to the projection position falling within the range of the workpiece 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 is 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 on the periphery of the opening corresponding to the workpiece body 451; a limiting block 437, which is detachably mounted inside the nozzle body 436, wherein a forming groove 4371 for limiting a workpiece is provided on the limiting block 437, and meanwhile, since the ear 452 of the annular workpiece 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 of the subsequent assembly process, and through the detachably mounted limiting block 437, the different limiting blocks 437 of the forming groove 4371 are conveniently replaced, so that the shape of the formed ear 452 is adjusted to meet the requirements of the shapes of different ears 452;

a plurality of air passages 4363 are formed in the side wall of the suction nozzle body 436, each air passage 4363 leads from the corresponding adsorption hole 4361 to the 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 passages 4363, so that negative pressure is formed at the adsorption holes 4361 to adsorb the annular workpiece; 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 suction holes 4361, negative pressure is formed at the suction holes 4361, so that the suction nozzle body 436 adsorbs the annular workpiece, the suction nozzle body 436 adsorbs the workpiece body 452 from multiple positions through the plurality of suction holes 4361 arranged circumferentially at the opening, the suction force at the position of each suction hole 4361 is reduced, the annular workpiece 45 is uniformly stressed, and the annular workpiece 45 is prevented from being damaged.

Furthermore, the opening on the suction nozzle body 436 is convenient for the ear 45 of the annular workpiece 45 to extend into, so that the situation that the suction nozzle body 436 touches the ear 452 in the process of grabbing the annular workpiece 45 is avoided, the position of the ear 452 is changed, the ear 452 is in the projection position and falls into the range of the workpiece body 451, the normal operation of subsequent assembly work is ensured, and the automation efficiency is improved.

In a preferred embodiment, a notch 4362 is formed in a side wall of the nozzle body 436, a limit block 437 is embedded in the notch 4362, the limit block 437 corresponds to an ear portion 452 of the workpiece, 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 on 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. 6 and 7, in a preferred embodiment, the movement direction of the pushing module 4241 for pushing the forming head 4242 is inclined relative to the ear portion 452 of the annular workpiece 45, since, during the process of pushing the ear portion 452 to bend, after the forming head 4242 releases the pushing force on the ear portion 452, the ear portion 452 will return to a certain extent, in order to ensure that the ear portion 452 is adjusted to a fixed position range, the distance required for pushing the ear portion 452 should be greater than the theoretical distance from the ear portion 452 to the fixed position, the distance for returning the ear portion 452 is reserved, and the ear portion 452 is still within the fixed position range after returning, therefore, the movement direction of the forming head 4242 is inclined relative to the ear portion 452, so that the projection position of the ear portion 452 falls within the position range of the workpiece body 451;

the forming head 4242 comprises a forming end 4242a, and one end of the forming head 4242, which pushes the annular workpiece 45, comprises the forming end 4242 a; the forming head 4242 is in transmission connection with a 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 annular workpiece 45, and therefore the depth of the forming head 4242 extending into the forming groove 4371 is limited.

As shown in fig. 12, 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, the lug 452 is pressed in a forming groove 4371 for forming the shape of the lug 452, the forming end 4242a is convex, wherein the upper top surface of the forming end 4242a is attached to the lug 452 which is in a horizontal position before forming, the forming head 424 pushes the lug 452, so that the lug 452 is turned over until the lug 452 is separated from the upper top surface and contacted with the upper top surface, at this time, 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 lug 452, the lug 452 is pushed towards the forming groove 4371 under the driving action of the pushing module 4241 of the forming head 4242, so that the pressing surface and the forming groove 4371 clamp the lug 452, and the required shape of the lug 452 is finally formed.

Furthermore, the other end of the forming head 4242, which is in contact with the workpiece, 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 limit portion 4242b so as to form a V-shaped concave portion therebetween for the turning position where the workpiece body 451 is connected with the ear portion 452, and the concave portion formed by the forming end 4242a and the first limit portion 4242b corresponds to the tip of the limit end 437d, so as to ensure the shape of the turning position where the workpiece body 451 is connected with the ear portion 452.

As shown in fig. 8, the grasping mechanism 43 further has a connecting bracket 432 and a detecting member 433 built therein, the detecting component 433 is connected with the rotary driving component 434 to form a whole through a connecting bracket 432, a supporting plate 4321 for bearing the rotary driving component 434 is arranged on the connecting bracket 432, the power output end of the vertical driving component 431 is in transmission connection with the connecting bracket 432, so that the connecting bracket 432 drives the detecting component 433 and the rotary driving component 434 to move along the Y-axis direction, and the detecting component 433 detects the positioning, driven by the first and

second driving assemblies

41 and 44 to move the nozzle body 435 to a position corresponding to the carrier 425, when actuated by the vertical drive assembly 431, the nozzle body 435 approaches the positioning seat 4232, so that the annular workpiece moves to the position of the bearing ring, the clamping lug 4542 corresponds to the clamping notch 4251, and the film tearing clamping jaw 4214 is convenient to clamp the clamping lug 454;

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 a movable end of a linear driving module 4211, a rotating driver 4213 is arranged on the connecting plate 4212, a clamping driver is arranged on a rotatable end of the rotating driver 4213, and a tearing clamping jaw 4214 is arranged on a clamping end of the clamping driver, so that the tearing film assembly 421 can conveniently 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 assembly drives a suction assembly to move, so that a suction nozzle body 436 sucks an annular workpiece to move close to a carrier 425, a detection assembly 433 detects and positions the annular workpiece, after the positioning is finished, the suction nozzle body 436 accurately places the annular workpiece on the carrier 425, a pushing module 4241 pushes a forming head 424, so that the forming head 4242 pushes an ear part 452 into 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 tightly, a rotation driver 4213 drives the film tearing clamping jaw 4214 to rotate after clamping the film, so that the film 454 is separated 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, the annular workpiece 45 is driven to rotate in the horizontal plane direction, 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 annular workpiece 45, the film 454 is torn from the workpiece body, the film 454 is quickly and conveniently torn from the body of the annular workpiece 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 annular workpiece 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 upper part of the waste material box 422, and the torn film is placed in the waste material box 422 by the film tearing clamping jaw 4214.

Meanwhile, in order to adjust the shape of the workpiece part, the film tearing device provided by the invention further comprises a power supply device, a transfer device and a detection control system, and corresponding action mechanisms are provided with corresponding power mechanisms and the like, so that the film tearing device also has the beneficial effects of common film tearing equipment, and further description is omitted.

While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims

1. A film tearing device, comprising:

a gripping mechanism (43) in which a suction component and a drive component for driving the suction component are arranged; and

the film tearing mechanism body (42) is provided with a film tearing component (421) for peeling a film (454) on the annular workpiece (45);

the membrane (454) comprises:

an annular membrane body (4541) adapted to the annular workpiece (45) and affixed to the annular workpiece (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 suction assembly comprises a suction nozzle body (436) for sucking the annular workpiece (45);

the annular workpiece (45) is conveyed by the grabbing mechanism (43) so that the clamping lug (4542) extends into the clamping end of the film tearing clamping jaw (4214).

2. A film tearing device according to claim 1, wherein said film body (4541) is formed with a frangible indentation (4543) adjacent to said holding lug (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 bonding section bonded to the annular workpiece (45);

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

3. The film tearing apparatus according to claim 2, wherein the gripping mechanism (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 ears (4542) are lifted, the annular workpiece (45) drives the annular workpiece (45) to move relative to the film tearing clamping jaws (4214) through the driving assembly and the rotary driving assembly (434), so that the area of the lifted section is increased, and the area of the attaching section is correspondingly reduced.

4. The film tearing apparatus of claim 1, wherein said drive assembly comprises:

a first drive assembly (41) and a second drive assembly (44) in driving connection with a power take-off of the first drive assembly (41), and

a vertical driving assembly (431) for driving the sucking assembly to move in a vertical direction;

wherein the vertical driving assembly (431) is in transmission connection with the power output end of the second driving assembly (44), and the suction assembly is driven by the first driving assembly (41), the second driving assembly (44) and the vertical driving assembly (431).

5. The film tearing apparatus according to claim 1, wherein the nozzle body (436) is hollow and open at its bottom to form an opening, and the periphery of the opening is provided with a plurality of circumferentially arranged adsorption holes (4361); and

the suction nozzle is characterized in that a limiting block (437) is detachably mounted in the suction nozzle body (436), a forming groove (4371) is formed in the limiting block (437), and an ear part (452) on an inner ring of an annular workpiece (45) is pressed into the forming groove (4371) to form the shape of the ear part (452).

6. The film tearing device according to claim 2, wherein a notch (4362) is formed in a side wall of the nozzle body (436), and the limiting block (437) is embedded in the notch (4362);

the limiting block (437) comprises a mounting section and a molding section, wherein the molding section is integrally combined with the mounting section at one end of the mounting section and extends downwards;

the limiting block (437) is mounted on the top wall of the suction nozzle body (436) through the mounting section, and the forming section is embedded in the notch (4362); the forming groove (4371) is formed inside the forming section and exposed in the notch (4362).

7. A film tearing device according to claim 5, wherein the profiled section comprises a connecting portion (437c) and a stop end (437 d);

the connecting part (437c) integrally combines the mounting section with the limiting end (437 d); the cross-sectional area of the connecting part (437c) close to 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 the forming groove (4371) which is inwards concave is formed in the forming section.

8. A film tearing device according to any one of claims 1-7, wherein the film tearing mechanism body (42) further comprises:

a molding unit (424) having a molding head (4242) and a push module (4241) for driving the molding head (4242) disposed therein; and

a carrier (425) for receiving an annular workpiece (45);

the carrying platform (425) is provided with an ejection hole (4252) penetrating through the upper surface and the lower surface to form a bearing ring matched with the annular workpiece, the suction assembly sucks the annular workpiece (45) and then transfers the annular workpiece (45) and presses the annular workpiece downwards onto the bearing ring, and the pushing module (4241) drives the forming head (4242) to enter the ejection hole (4252) to eject the ear part (452) of the annular workpiece (45) into the suction nozzle body (436).

9. The film tearing apparatus according to claim 8, wherein the carrier (425) is provided with a clamping notch (4251), and when the suction assembly carries the annular workpiece (45) to the carrier (425), the clamping ear (4542) falls into the clamping notch (4251) and protrudes radially outwards from the clamping notch (4251), so that the clamping ear (4542) is opposite to the film tearing clamping jaw (4214).

10. A film tearing device according to claim 8, wherein the end of the forming head (4242) pushing up the annular workpiece (45) comprises a forming end (4242 a);

the forming head (4242) is in transmission connection with a power output end of the pushing module (4241), a first limiting part (4242b) extending outwards is arranged on the side wall of the forming end (4242a), and when the forming end (4242a) pushes the lug part (452) into the suction nozzle body (436), the first limiting part (4242b) is in contact with the film body (4541);

the other end, corresponding to the forming end (4242a), of the forming head (4242) is provided with a second limiting portion (4242c), the second limiting portion (4242c) is abutted against the lower bottom surface of the carrying platform (425), and then the second limiting portion (4242c) is limited to enter the pushing hole (4252).