阅读说明：本技术 一种鼠标传感器保护膜自动撕膜机及撕膜方法 (Automatic film tearing machine and method for mouse sensor protective film ) 是由 张良平 李泉辉 李涛 董忠衡 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种鼠标传感器保护膜自动撕膜机及撕膜方法,其包括：用于移动产品的转移机构、两个并列设置于转移机构一侧并用于加热保护膜的加热抢、设置于转移机构另一侧并用于将产品表面保护膜撕掉的粘胶带机构及用于将胶带顶起粘住保护膜的顶升机构,且胶带套设在顶升机构上,转移机构上设置有若干个用于定位产品的定位治具,该定位治具两两成对安装。本发明中由转移机构将产品先后移动到加热抢处对保护膜加热,使保护膜粘性减弱,再由转移机构将产品移动到顶升机构上方,通过顶升机构将粘胶带机构送出的胶带顶起与保护膜接触,再由顶升机构与粘胶带机构配合将保护膜撕下,撕膜效率高,适用较小的保护膜,进而提升生产效率。(The invention discloses an automatic film tearing machine and a film tearing method for a protective film of a mouse sensor, which comprise the following steps: the transfer mechanism is used for moving a product, the two transfer mechanisms are arranged on one side of the transfer mechanism in parallel and used for heating the protective film, the adhesive tape mechanism is arranged on the other side of the transfer mechanism and used for tearing off the protective film on the surface of the product, the adhesive tape mechanism is used for jacking the adhesive tape to stick the protective film, the adhesive tape sleeve is arranged on the jacking mechanism, a plurality of positioning jigs used for positioning the product are arranged on the transfer mechanism, and the positioning jigs are arranged pairwise. According to the invention, the product is moved to the heating robbing position by the transfer mechanism to heat the protective film, so that the viscosity of the protective film is weakened, then the product is moved to the position above the jacking mechanism by the transfer mechanism, the adhesive tape sent out by the adhesive tape mechanism is jacked up by the jacking mechanism to be contacted with the protective film, and then the protective film is torn by the cooperation of the jacking mechanism and the adhesive tape mechanism, so that the film tearing efficiency is high, the adhesive tape tearing device is suitable for smaller protective films, and further the production efficiency is improved.)

1. The utility model provides an automatic tear film machine of mouse sensor protection film which characterized in that includes: a transfer mechanism (2) used for moving a product (20), a heating gun (6) arranged on one side of the transfer mechanism (2) and used for heating the surface protective film of the product (20), an adhesive tape mechanism (1) arranged on the other side of the transfer mechanism (2) and used for tearing off the surface protective film of the product (20), and a jacking mechanism (7) used for jacking an adhesive tape (14) in the adhesive tape mechanism (1) and sticking the adhesive tape to the surface protective film of the product (20), the jacking mechanism (7) is arranged at one end of the adhesive tape mechanism (1), the adhesive tape (14) is sleeved on the jacking mechanism (7), the transfer mechanism (2) is provided with a plurality of positioning jigs (25) for positioning the products (20), the positioning jigs (25) are installed pairwise, and the heating robbers (6) are arranged in parallel and simultaneously heat the protective films of the products (20) in the positioning jigs (25).

2. The automatic film tearing machine for the protective film of the mouse sensor according to claim 1, wherein: the transfer mechanism (2) comprises a first rack (21), a turntable (22) which is rotatably mounted on the first rack (21) and used for supporting and driving the product (20) to rotate, a fourth driving device (23) which is mounted on the first rack (21) and used for driving the turntable (22) to rotate, and a first transmission mechanism (24) which is connected with the fourth driving device (23) and the turntable (22) and used for transmitting torque and rotating speed, the heating gun (6) is mounted on the first rack (21), and the positioning jig (25) is circumferentially mounted on the turntable (22).

3. The automatic film tearing machine for the protective film of the mouse sensor according to claim 2, characterized in that: the fourth driving device (23) is a motor and is installed on one side of the first rack (21), and the first transmission mechanism (24) comprises a gearbox (241) installed at the upper end of the first rack (21) and used for driving the turntable (22) to rotate and a first belt pulley group (242) installed on the other side of the first rack (21) and used for connecting the fourth driving device (23) and the gearbox (241).

4. The automatic film tearing machine for the protective film of the mouse sensor according to any one of claims 1 to 3, wherein: adhesive tape mechanism (1) including second frame (11), install in second frame (11) one end is used for installing sticky tape reel (12) sticky tape mount pad (13), install in second frame (11) other end and be located tensioning module (3) of transfer mechanism (2) below, set up in sticky tape mount pad (13) side is used for the receipts area module (4) of roll-up sticky tape (14) and install in control box (18) on second frame (11), sticky tape (14) are followed sticky tape reel (12) warp tensioning module (3) are rolled up receive area module (4).

5. The automatic film tearing machine for the protective film of the mouse sensor according to claim 4, wherein: sticky tape mount pad (13) with be provided with first excessive roller bearing (15) and first locating plate (16) between tensioning module (3), tensioning module (3) with be provided with the excessive roller bearing of second (17) and stretching strap module (5) between receipts area module (4), the excessive roller bearing of second (17) with stretching strap module (5) are located first excessive roller bearing (15) with first locating plate (16) below.

6. The automatic film tearing machine for the protective film of the mouse sensor according to claim 5, wherein: the tensioning module (3) comprises a guide rail (31) arranged on the second rack (11), a first support frame (32) which is arranged on the guide rail (31) and moves below the transfer mechanism (2), a first driving device (33) which is arranged on the second rack (11) and is used for driving the first support frame (32) to move, a first transmission component (34) arranged between the first support frame (32) and the first driving device (33), and a tensioning roller (35) which is arranged at the lower end of the first support frame (32) and is used for transmitting the adhesive tape (14), a second supporting plate (321) used for positioning the adhesive tape (14) is arranged at the upper end of the first supporting frame (32), and a third transition roller (36) arranged on the second rack (11) is arranged beside the tensioning roller (35).

7. The automatic film tearing machine for the protective film of the mouse sensor according to claim 6, wherein: the belt winding module (4) comprises a winding roller (41) rotatably mounted on the second rack (11) and a second driving device (42) mounted beside the winding roller (41) and used for driving the winding roller to rotate, the first driving device (33) is a motor, and the first transmission assembly (34) comprises a first gear (341) mounted on a main shaft of the motor and a rack (342) mounted on the first support frame (32) and meshed with the first gear (341).

8. The automatic film tearing machine for the protective film of the mouse sensor according to claim 7, wherein: the tape pulling module (5) comprises a second support frame (51) installed on the second rack (11), a first tape feeding shaft (52) and a second tape feeding shaft (53) which are installed on the second support frame (51) and matched with the first tape feeding shaft (14) to pull and receive the adhesive tape (14), a third driving device (54) which is installed on the second rack (11) and used for driving the first tape feeding shaft (52) to rotate, and a second transmission assembly (55) which is arranged between the third driving device (54) and the first tape feeding shaft (52), wherein the adhesive tape (14) penetrates through the space between the first tape feeding shaft (52) and the second tape feeding shaft (53).

9. The automatic film tearing machine for the protective film of the mouse sensor according to any one of claims 5 to 8, wherein: the jacking mechanism (7) comprises a first supporting plate (71) arranged above the tensioning module (3), a film tearing suction head (72) arranged on the first supporting plate (71) and used for jacking the adhesive tape (14), and an air cylinder (73) arranged on the second rack (11) and used for driving the first supporting plate (71) to drive the film tearing suction head (72) to lift and tear a protective film at the lower end of the product (20), wherein the adhesive tape (14) bypasses the film tearing suction head (72); two rolls of adhesive tape winding drums (12) are mounted on the adhesive tape mounting seat (13) in parallel, and two film tearing suction heads (72) are mounted on the first supporting plate (71) in parallel and jack up two adhesive tapes (14).

10. A method for tearing a film, which is characterized by comprising the following steps: the film tearing method comprises the following steps: firstly, placing a product (20) on a positioning jig (25) and downwards facing a protective film; secondly, the product (20) is rotated to the heating gun (6) through the transfer mechanism (2), and the protective film at the lower end of the product (20) is heated by the heating gun (6); and thirdly, rotating the product (20) to the upper part of the jacking mechanism (7) through the transfer mechanism (2), conveying the adhesive tape (14) to the jacking mechanism (7) by the adhesive tape mechanism (1) to enable the adhesive side to face upwards, jacking the adhesive tape (14) by the jacking mechanism (7) to lift up a protective film for sticking the product (20), then starting to roll the adhesive tape (14) by the adhesive tape mechanism (1) to strip the protective film of the product (20), meanwhile, lowering the adhesive tape (14) by the jacking mechanism (7), and further achieving the purpose of simulating the action of tearing the film by hands to complete the film tearing through the cooperation of the descending of the adhesive tape (14) and the rolling of the adhesive tape (14).

The technical field is as follows:

the invention relates to the technical field of automatic production, in particular to an automatic film tearing machine and a film tearing method for a protective film of a mouse sensor.

Background art:

at present, the industrial production is gradually changed into mechanical automatic processing production from manual processing production, the production efficiency of products is continuously improved, protective films are usually pasted on the surfaces of semi-finished parts in production, the production efficiency of automatic machinery is high, the traditional manual tearing of the protective films is obviously not suitable for automatic production processing, particularly for small semi-finished products of mouse sensors and other types of protective films, the manual tearing is not good, the protective films can be torn off by tweezers generally, IC sensors are easy to scratch, the efficiency is low, the finished product processing efficiency is reduced to a great extent, the risk of producing defective products easily exists, and the production period and the production cost are increased.

In view of the above, the present inventors propose the following.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides an automatic film tearing machine and a film tearing method for a protective film of a mouse sensor.

In order to solve the technical problems, the invention adopts the following technical scheme: this automatic film tearing machine of mouse sensor protection film includes: a transfer mechanism for removing the product, set up in transfer mechanism one side is used for the heating product surface protection film the heating rush, set up in transfer mechanism opposite side and be used for with product surface protection film tears the adhesive tape mechanism and be used for with sticky tape jack-up glues in the adhesive tape mechanism the climbing mechanism of product surface protection film, climbing mechanism set up in adhesive tape mechanism one end, just the sticky tape cover is established climbing mechanism is last, be provided with a plurality of in the transfer mechanism and be used for the location the positioning jig of product, this positioning jig is two liang installed in pairs, the heating is robbed and is provided with two side by side and simultaneously to a pair the product protection film heating in the positioning jig.

Further, in the above technical solution, the transfer mechanism includes a first frame, a turntable rotatably mounted on the first frame and configured to support and drive the product to rotate, a fourth driving device mounted on the first frame and configured to drive the turntable to rotate, and a first transmission mechanism connected to the fourth driving device and the turntable and configured to transmit torque and rotation speed, the heating unit is mounted on the first frame, and the positioning fixture is circumferentially mounted on the turntable.

Furthermore, in the above technical solution, the fourth driving device is a motor and is installed on one side of the first frame, and the first transmission mechanism includes a transmission box installed on the upper end of the first frame and used for driving the turntable to rotate, and a first pulley set installed on the other side of the first frame and used for connecting the fourth driving device and the transmission box.

Furthermore, in the above technical solution, the adhesive tape mechanism includes a second frame, an adhesive tape mounting seat mounted at one end of the second frame and used for mounting an adhesive tape reel, a tensioning module mounted at the other end of the second frame and located below the transfer mechanism, a tape winding module disposed beside the adhesive tape mounting seat and used for winding an adhesive tape, and a control box mounted on the second frame, wherein the adhesive tape is wound from the adhesive tape reel to the tape winding module through the tensioning module.

Furthermore, in the above technical solution, a first transition roller and a first positioning plate are arranged between the tape mounting seat and the tensioning module, a second transition roller and a drawstring module are arranged between the tensioning module and the tape rewinding module, and the second transition roller and the drawstring module are located below the first transition roller and the first positioning plate.

Furthermore, in the above technical solution, the tensioning module includes a guide rail installed on the second frame, a first support frame installed on the guide rail and moving below the transfer mechanism, a first driving device installed on the second frame and used for driving the first support frame to move, a first transmission assembly arranged between the first support frame and the first driving device, and a tensioning roller installed at the lower end of the first support frame and used for transmitting the adhesive tape, a second support plate used for positioning the adhesive tape is installed at the upper end of the first support frame, and a third transition roller installed on the second frame is arranged beside the tensioning roller.

Further, in the above technical solution, the belt winding module includes a winding roller rotatably mounted on the second frame, and a second driving device mounted beside the winding roller and used for driving the winding roller to rotate, the first driving device is a motor, and the first transmission assembly includes a first gear mounted on a main shaft of the motor and a rack mounted on the first support frame and engaged with the first gear.

Furthermore, in the above technical solution, the tape-pulling module includes a second support frame installed on the second frame, a first tape-feeding shaft and a second tape-feeding shaft installed on the second support frame and cooperating with each other to pull and receive the tape, a third driving device installed on the second frame and used for driving the first tape-feeding shaft to rotate, and a second transmission assembly disposed between the third driving device and the first tape-feeding shaft, wherein the tape passes through between the first tape-feeding shaft and the second tape-feeding shaft.

Further, in the above technical solution, the jacking mechanism includes a first support plate disposed above the tensioning module, a film tearing suction head mounted on the first support plate for jacking up the adhesive tape, and an air cylinder mounted on the second frame and driving the first support plate to drive the film tearing suction head to lift and tear off the protective film at the lower end of the product, wherein the adhesive tape bypasses the film tearing suction head; two rolls of adhesive tape winding drums are arranged on the adhesive tape mounting seat in parallel, and two film tearing suction heads are arranged on the first supporting plate in parallel and jack up two adhesive tapes.

Further, the film tearing method comprises the following steps: firstly, placing a product on a positioning jig, and facing a protective film downwards; secondly, rotating the product to a heating gun through a transfer mechanism, and heating a protective film at the lower end of the product by the heating gun; and thirdly, rotating the product to the position above the jacking mechanism through the transfer mechanism, conveying the adhesive tape to the jacking mechanism by the adhesive tape mechanism to enable the adhesive side to face upwards, jacking the adhesive tape by the jacking mechanism to lift up a protective film adhered to the product, then starting to roll the adhesive tape by the adhesive tape mechanism to peel off the protective film of the product, simultaneously lowering the adhesive tape by the jacking mechanism, and further achieving the purpose of simulating the action of tearing the film by hands by matching the descending of the adhesive tape and the rolling of the adhesive tape to complete the film tearing.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: according to the automatic film tearing machine, a product is placed on the transferring mechanism, the product is moved to the heating robbery position by the transferring mechanism to heat the protective film, the viscosity of the protective film is weakened, the product is moved to the upper part of the jacking mechanism by the transferring mechanism, the adhesive tape sent out by the adhesive tape mechanism is jacked up by the jacking mechanism to be in contact with the protective film on the product, the adhesive tape is driven by the jacking mechanism to move downwards to tear the protective film, and the adhesive tape adhered with the protective film is collected by the adhesive tape mechanism, so that the protective film can be torn off automatically, the film tearing efficiency is high, the protective film can be torn off quickly even if the protective film is very small, and the production efficiency.

Description of the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a perspective view of the transfer mechanism of the present invention;

FIG. 4 is a perspective view of a jacking mechanism of the present invention;

FIG. 5 is a perspective view of the adhesive tape mechanism of the present invention;

FIG. 6 is a perspective view of a drawstring module of the present invention;

figure 7 is a perspective view of the tensioning module of the present invention.

Description of reference numerals:

1 adhesive tape mechanism 11 second frame 12 adhesive tape reel

13 tape mounting seat 14 first transition roller of tape 15

16 first positioning plate 17 second transition roller 18 control box

2 transfer mechanism 20 product 21 first rack

22 turntable 23 fourth drive 24 first transmission mechanism

241 first belt pulley set 25 positioning jig of gearbox 242

3 tensioning module 31 guide rail 32 first support frame

321 second support plate 33 first driving device 34 first transmission assembly

341 first gear 342 rack 35 tensioning roller

36 third transition roller 4 take-up roller of belt take-up module 41

42 second driving device 5 pulls the belt module 51 second supporting frame

52 first tape feed shaft 53 second tape feed shaft 54 third drive

55 the second drive assembly 6 heats and robbes 7 the jack-up mechanism

71 first support plate 72 tear film suction head 73 cylinder

The specific implementation mode is as follows:

the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.

As shown in fig. 1 to 7, an automatic film tearing machine for a protective film of a mouse sensor comprises: a transfer mechanism 2 for removing product 20, set up in 2 one side of transfer mechanism is used for the heating of 20 surface protection films of product 6, set up in 2 opposite sides of transfer mechanism and be used for with 20 surface protection films of product tear adhesive tape mechanism 1 and be used for with 14 jacks of adhesive tape in the adhesive tape mechanism 1 glue the climbing mechanism 7 of 20 surface protection films of product, climbing mechanism 7 set up in 1 one end of adhesive tape mechanism, just 14 covers of adhesive tape are established on climbing mechanism 7, be provided with a plurality of on the transfer mechanism 2 and be used for the location the positioning jig 25 of product 20, two liang of installation in pairs of this positioning jig 25, 6 side by side are robbed in the heating is provided with two and is right simultaneously in the positioning jig 25 the heating of 20 protection films of product. Through placing product 20 on transfer mechanism 2, it snatches 6 departments to heat the protection film to move the heating earlier with product 20 by transfer mechanism 2, make protection film viscidity weaken, move product 20 to climbing mechanism 7 top by transfer mechanism 2 again, through climbing mechanism 7 with sticky tape 14 jack-up that sticky tape mechanism 1 sent out and the protection film contact on the product 20, drive sticky tape 14 by climbing mechanism 7 and move down and sticky tape mechanism 1 synchronous rolling sticky tape 14 tears the protection film, reach the action that the simulation staff torn the membrane, and collect the sticky tape that glues with the protection film by sticky tape mechanism 1, thereby realize tearing the protection film automatically, it is efficient to tear the membrane, even very little protection film also can tear fast, and then promote production efficiency.

The transfer mechanism 2 includes a first frame 21, a turntable 22 rotatably mounted on the first frame 21 and configured to support and drive the product 20 to rotate, a fourth driving device 23 mounted on the first frame 21 and configured to drive the turntable 22 to rotate, and a first transmission mechanism 24 connected to the fourth driving device 23 and the turntable 22 and configured to transmit torque and rotational speed, the heating unit 6 is mounted on the first frame 21, and the positioning fixture 25 is circumferentially mounted on the turntable 22.

The fourth driving device 23 is a motor and is installed at one side of the first frame 21, and the first transmission mechanism 24 includes a transmission case 241 installed at the upper end of the first frame 21 and used for driving the turntable 22 to rotate, and a first pulley set 242 installed at the other side of the first frame 21 and used for connecting the fourth driving device 23 and the transmission case 241.

The adhesive tape mechanism 1 comprises a second rack 11, an adhesive tape mounting seat 13 mounted at one end of the second rack 11 and used for mounting an adhesive tape winding drum 12, a tensioning module 3 mounted at the other end of the second rack 11 and located below the transfer mechanism 2, a tape winding module 4 arranged beside the adhesive tape mounting seat 13 and used for winding an adhesive tape 14, and a control box 18 mounted on the second rack 11, wherein the adhesive tape 14 is wound to the tape winding module 4 from the adhesive tape winding drum 12 through the tensioning module 3.

The adhesive tape installing seat 13 and the tensioning module 3 are provided with a first transition roller 15 and a first positioning plate 16 therebetween, the tensioning module 3 and the belt winding module 4 are provided with a second transition roller 17 and a belt drawing module 5 therebetween, and the second transition roller 17 and the belt drawing module 5 are located below the first transition roller 15 and the first positioning plate 16.

The tensioning module 3 includes a guide rail 31 mounted on the second frame 11, a first support frame 32 mounted on the guide rail 31 and moving below the transfer mechanism 2, a first driving device 33 mounted on the second frame 11 and used for driving the first support frame 32 to move, a first transmission assembly 34 disposed between the first support frame 32 and the first driving device 33, and a tensioning roller 35 mounted at the lower end of the first support frame 32 and used for transmitting the adhesive tape 14, wherein a second support plate 321 for positioning the adhesive tape 14 is disposed at the upper end of the first support frame 32, and a third transition roller 36 mounted on the second frame 11 is disposed beside the tensioning roller 35.

The belt retracting module 4 includes a winding roller 41 rotatably mounted on the second frame 11 and a second driving device 42 mounted beside the winding roller 41 and used for driving the winding roller to rotate, the first driving device 33 is a motor, and the first transmission assembly 34 includes a first gear 341 mounted on a main shaft of the motor and a rack 342 mounted on the first support frame 32 and engaged with the first gear 341.

The tape-pulling module 5 includes a second support frame 51 mounted on the second frame 11, a first tape-feeding shaft 52 and a second tape-feeding shaft 53 mounted on the second support frame 51 and adapted to pull and receive the adhesive tape 14, a third driving device 54 mounted on the second frame 11 and adapted to drive the first tape-feeding shaft 52 to rotate, and a second transmission assembly 55 disposed between the third driving device 54 and the first tape-feeding shaft 52, wherein the adhesive tape 14 passes through between the first tape-feeding shaft 52 and the second tape-feeding shaft 53.

When the adhesive tape 14 is mounted, firstly, the adhesive tape reel 12 is mounted on the adhesive tape mounting seat 13, then the adhesive tape 14 is pulled out from the adhesive tape reel 12 and passes through the first transition roller 15 and passes through the first support plate 16 to be below the transfer mechanism 2, then the adhesive tape 14 passes through the film tearing suction head 72 of the jacking mechanism 7 and passes through the support plate 321 of the tensioning module 3 to be tensioned, further, the adhesive tape 14 with the protective film removed downwards passes through the tensioning roller 35 and the third transition roller 36, then the adhesive tape 14 passes through the space between the first tape feeding shaft 52 and the second tape feeding shaft 53, the first tape feeding shaft 52 is driven by the third driving device 54 to rotate to be matched with the second tape feeding shaft 53 to pull the adhesive tape 14 to the winding roller 41, finally, the adhesive tape 14 is wound on the roller winding 41, and the roller 41 is driven by the second driving device 42 to rotate to wind and collect the adhesive tape 14.

Climbing mechanism 7 including set up in first backup pad 71 above tensioning module 3, install in be used for the jack-up on the first backup pad 71 the dyestripping suction head 72 of sticky tape 14 and install in on the second frame 11 and drive first backup pad 71 drives dyestripping suction head 72 lift is torn the cylinder 73 of product 20 lower extreme protection film, sticky tape 14 bypasses dyestripping suction head 72. The adhesive tape 14 is sucked by the film tearing suction head 72, the air cylinder 73 drives the adhesive tape 14 to move downwards, and the tape collecting module 4 collects the adhesive tape 14 to realize the film stripping action, so that the action of simulating the tearing of hands is achieved, and the success rate of film tearing is improved. Dyestripping suction head 72 is 35 hardness silica gel heads to install dyestripping suction head 72 on first backup pad 71 with adjustable mode through the bolt, and the cover is equipped with damping spring on the bolt, reaches through silica gel head and damping spring's cooperation and does not hinder the product, improves the production yield.

Two pairs of positioning jigs 25 are installed in pairs, the heating gun 6 is provided with two side by side and heats the product 20 protective film in the positioning jig 25, two rolls of adhesive tape winding drum 12 are installed on the adhesive tape installing seat 13 side by side, two film tearing suction heads 72 are installed on the first supporting plate 71 side by side and jack up two adhesive tapes 14. When the product 20 is positioned, the protective film of the product 20 is faced downward and passes through the positioning fixture 25 and the rotary table 22, so that the adhesive tape 14 can smoothly stick to the protective film.

The film tearing method comprises the following steps: firstly, placing the product 20 on a positioning jig 25, and facing a protective film downwards; secondly, the product 20 is rotated to the heating gun 6 through the transfer mechanism 2, and the protective film at the lower end of the product 20 is heated by the heating gun 6; and thirdly, rotating the product 20 to the position above the jacking mechanism 7 through the transfer mechanism 2, conveying the adhesive tape 14 to the jacking mechanism 7 by the adhesive tape mechanism 1, enabling the adhesive side to face upwards, jacking the adhesive tape 14 by the jacking mechanism 7 to stick a protective film of the product 20, then starting to roll the adhesive tape 14 by the adhesive tape mechanism 1 to peel off the protective film of the product 20, simultaneously lowering the adhesive tape 14 by the jacking mechanism 7, and further simulating the action of tearing the film by hands to complete the film tearing through the matching of the lowering of the adhesive tape 14 and the rolling of the adhesive tape 14.

In summary, in the present invention, when working, the products 20 are manually placed on a set of positioning tools 25 two by two, and the protective film is faced down; next, the fourth driving device 23 drives the turntable 22 to drive the product 20 to rotate to the heating gun 6, and the heating gun 6 heats the protective film at the lower end of the product 20 to weaken the viscosity of the protective film; next, the fourth driving device 23 drives the turntable to drive the product 20 to rotate above the jacking mechanism 7, the jacking mechanism 7 jacks up the adhesive tape 14 on the adhesive tape mechanism 1 to stick the protective film of the product 20, then the adhesive tape mechanism 1 starts to roll the adhesive tape 14 so that the adhesive tape 14 peels off the protective film of the product 20, and meanwhile, the jacking mechanism 7 drives the adhesive tape 14 to descend, so that the action of simulating the film tearing by a human hand is achieved through matching, the film tearing effect is good, the product is not damaged, and the film tearing device is suitable for smaller protective films; secondly, because in the film tearing process, the adhesive tape 14 gradually drives the protective film of the product 20 to be recycled, and then the protective film is slowly collected into the belt collecting module 4, so that the situation that the protective film is not convenient for waste disposal due to being pasted on a machine table after being torn off is avoided, and the waste disposal is reduced.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.