CN217554284U

CN217554284U - Film sticking device

Info

Publication number: CN217554284U
Application number: CN202220689420.5U
Authority: CN
Inventors: 鲁海波; 何佳秋; 屈伟; 张国琪; 田国春; 史伟; 熊富全; 李雄
Original assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Current assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-10-11
Anticipated expiration: 2032-03-28

Abstract

The application provides a pad pasting device for with the attached in product of protection film, the pad pasting device includes first drive module, load-bearing platform, material place the platform, cambered surface pad pasting mechanism and plane pad pasting mechanism. According to the film sticking device, the first elastic piece is arranged between the first support arm and the second support arm of the arc surface film sticking mechanism, and effective sticking to the arc surface of a product can be guaranteed by utilizing the mode that the first elastic piece is tangent to the arc elasticity of the product; the plane pad pasting mechanism is provided with a second elastic piece, so that the pad pasting surface can be uniformly stressed, and the attaching effect is good. The application discloses pad pasting device can carry out the pad pasting to the cambered surface and the plane of product, compares manual attached raises the efficiency by a wide margin, practices thrift the human cost.

Description

Film sticking device

Technical Field

The application relates to the field of product processing, in particular to a film pasting device.

Background

Products such as high-precision metal parts need to be fastened and positioned in the processing process, and are extremely easy to be damaged by collision, pressure, scratch and the like in clamping, so that the products are scrapped in the processing process, and a protective film needs to be adhered to the surfaces of the products to protect the appearances of the products. The manual film pasting mode has the defects of low pasting speed, unbalanced pasting force, bubbles after pasting and the like, the film pasting speed and the film pasting quality are seriously influenced, and the requirement of actual large-scale production is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a film pasting device capable of automatically pasting films on the arc surfaces and the planes of products.

An embodiment of the present application provides a pad pasting device for attach the protection film in the product, the pad pasting device includes:

a first driving module;

the bearing platform comprises a first surface and a second surface which are oppositely arranged, and the bearing platform is provided with a through hole which penetrates through the first surface and the second surface;

the first driving module is in transmission connection with the material placing platform and used for driving the material placing platform to move up and down in the through hole;

the cambered surface film sticking mechanism is used for sticking a film to the cambered surface of the product; the cambered surface film sticking mechanism comprises a fixed part, a first support arm connected with the fixed part, a second support arm hinged with the first support arm and a first film sticking roller arranged at one end of the second support arm far away from the first support arm; the fixed part is fixed on the second surface, and a first elastic piece is arranged between the first support arm and the second support arm; and

the plane film pasting mechanism is arranged on the first surface and used for pasting a film on the plane of a product, and comprises an accommodating part, a second driving module arranged in the accommodating part, a third support arm in transmission connection with the second driving module and a second film pasting roller; an opening is formed in one end of the third support arm, the second film pasting roller comprises a rotating shaft and a roller sleeved on the rotating shaft, and the tail end of the rotating shaft is clamped in the opening, so that the second film pasting roller is fixed on the third support arm; a second elastic piece is arranged in the opening, one end of the second elastic piece abuts against the inner wall of the opening, and the other end of the second elastic piece abuts against the rotating shaft.

In one embodiment, the receptacle comprises two bottom plates, two vertical connecting plates and a horizontal connecting plate. The two bottom plates are arranged on the first surface, each vertical connecting plate is arranged on one bottom plate and extends upwards, and the horizontal connecting plate is arranged on the surface, far away from the bottom plates, of the two vertical connecting plates in a sliding mode.

In one embodiment, one end of the horizontal connecting plate is provided with two mutually parallel third support arms, and one end of each third support arm far away from the horizontal connecting plate is provided with an opening. Two tail ends of the rotating shaft are respectively clamped in the openings, so that the second film pasting roller is fixed between the two third support arms.

In one embodiment, the second driving module comprises a rotary cylinder, a gear coaxially connected with the rotary cylinder, and a rack engaged with the gear. The rack is arranged on the surface of the horizontal connecting plate close to the bottom plate, and the rotary cylinder, the gear and the rack are positioned in an accommodating part enclosed by the two bottom plates, the two vertical connecting plates and the horizontal connecting plate.

In one embodiment, the film sticking device further comprises two film positioning mechanisms, and the through hole is located between the two film positioning mechanisms. The film positioning mechanism comprises a vacuum suction plate arranged on the first surface, the vacuum suction plate is provided with a positioning pin, the protective film is provided with a positioning hole, and the positioning pin is used for penetrating through the positioning hole so as to position the protective film on the vacuum suction plate; the vacuum suction plate is provided with a plurality of small holes and joints, and the joints are used for being externally connected with a vacuum device to enable negative pressure to be formed in the small holes, so that the protective film is fixed.

In one embodiment, the film pasting device further comprises a product positioning mechanism, and the product positioning mechanism comprises a third driving module, a fixing plate, a fourth driving module and a positioning module. The second surface is provided with a side plate, the side plate extends along the direction far away from the second surface, and the side plate is provided with the third driving module. The fixing plate is arranged at one end, close to the second surface, of the third driving module, and the third driving module is in transmission connection with the fixing plate. And the surface of the fixing plate, which is far away from the third driving module, is provided with the fourth driving module. And a sliding part is arranged on the surface of the fourth driving module, which is far away from the fixed plate, and the sliding part is fixedly connected with the positioning module through a first mounting plate. The third driving module is used for driving the positioning module to move in the vertical direction, and the fourth driving module is used for driving the positioning module to move in the horizontal direction.

In one embodiment, the film sticking device further comprises a product fixing mechanism. The product fixing mechanism comprises a second mounting plate, a fifth driving module and a clamping assembly. The second mounting panel is located material place the platform's a side, fifth drive module locates the second mounting panel is kept away from material place the platform's surface, centre gripping subassembly fixed connection in the top surface of second mounting panel and with fifth drive module transmission is connected.

In one embodiment, the product securement mechanism further includes two brackets and a connector. The end part of the second mounting plate extends upwards to form two bulges, and the two supports are respectively abutted against the two bulges. The second mounting plate further comprises a first cross rod, and the first cross rod simultaneously penetrates through the protrusions and one end, close to the second mounting plate, of the support. The clamping assembly comprises a pressing part, and a second cross rod and a third cross rod which penetrate through the pressing part. The second cross rod is sleeved at one end, far away from the second mounting plate, of the support. One end of the pressing part, which is far away from the material placing platform, extends outwards to form two protruding parts, the connecting piece is positioned between the two protruding parts, and the third cross rod penetrates through the connecting piece and is connected with the two protruding parts. The connecting piece is connected with the fifth driving module.

In one embodiment, the film sticking device further comprises an industrial control system. The industrial control system is used for adjusting parameters of the first driving module, the second driving module, the third driving module, the fourth driving module and the fifth driving module, wherein the parameters comprise a moving direction, a moving speed, a moving distance, a rotating direction, a rotating speed and a rotating angle.

In one embodiment, the first driving module comprises a jacking electric cylinder, the third driving module comprises a triaxial cylinder, the fourth driving module comprises a sliding table cylinder, and the fifth driving module comprises a cylinder.

According to the film sticking device, the first elastic piece is arranged between the first support arm and the second support arm of the arc surface film sticking mechanism, and effective sticking to the arc surface of a product can be guaranteed by utilizing the mode that the first elastic piece is tangent to the arc elasticity of the product; the plane pad pasting mechanism is provided with a second elastic part, so that the pad pasting surface can be uniformly stressed, and the attaching effect is good. The application discloses pad pasting device can carry out the pad pasting to the cambered surface and the plane of product, compares manual attached raises the efficiency by a wide margin, practices thrift the human cost.

Drawings

Fig. 1 is a schematic structural diagram of a film pasting device, a protective film and a product according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an arc-surface film pasting mechanism, a film positioning mechanism and a product fixing mechanism of the film pasting device shown in fig. 1.

FIG. 3 is a schematic view of the film arc applicator mechanism shown in FIG. 2 from another perspective.

Fig. 4 is a schematic structural view of a plane film sticking mechanism of the film sticking device shown in fig. 1.

FIG. 5 is a schematic view of another view mechanism of the flat film applicator shown in FIG. 4.

Fig. 6 is a schematic structural view of a product positioning mechanism and a film positioning mechanism of the film laminating apparatus shown in fig. 1.

Fig. 7 is a schematic structural view of a product fixing mechanism of the film attaching device shown in fig. 1.

Fig. 8 to 13 are schematic views illustrating the operation of the film sticking device shown in fig. 1.

Description of the main elements

Film sticking device 100

Protective film 200

Product 300

Positioning hole 21

Cambered surface 31

Plane 32

First driving module 10

Load-bearing platform 20

Material placing platform 30

Cambered surface pad pasting mechanism 40

Flat surface film pasting mechanism 50

Film positioning mechanism 60

Product positioning mechanism 70

Product securing mechanism 80

First surface 201

Second surface 202

Through hole 203

Side plate 2021

Horizontal plate 2022

Fixed part 401

First support arm 402

Second support arm 403

First film pasting roller 404

The first elastic member 405

Vertical portion 4021

Transverse portion 4022

Accommodating part 501

The second driving module 502

Third arm 503

Second film roller 504

Second elastic member 505

Base plate 5011

Vertical connecting plate 5012

Horizontal connecting plate 5013

Sliding block 5014

Track 5015

Sliding rail 5016

Opening 5031

Rotating shaft 5041

Roller 5042

Vacuum suction plate 601

Locating pin 602

Small hole 6011

Joint 6012

Third driving module 701

Fixing plate 702

Fourth driving module 703

Positioning module 704

Sliding part 705

First mounting plate 706

Second mounting plate 801

Fifth driving module 802

Clamping assembly 803

Support 804

Connecting piece 805

Projection 8011

First cross bar 8012

Stitching portion 8031

Second crossbar 8032

Third crossbar 8033

Protrusion 8034

The following detailed description will further describe embodiments of the present application in conjunction with the above-described figures.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments of this application belong. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, an embodiment of the present disclosure provides a film attaching apparatus 100 for attaching a protective film 200 to a product 300. In this embodiment, the product 300 includes an arc surface 31 and a plane surface 32. It is understood that in other embodiments, the product 300 may not include the curved surface 31, for example, the product 300 may be cube-shaped.

The film sticking device 100 comprises a first driving module 10, a bearing platform 20, a material placing platform 30, a cambered surface film sticking mechanism 40 and a plane film sticking mechanism 50. The load-bearing platform 20 is substantially a plate and includes a first surface 201 (i.e., an upper surface) and a second surface 202 (i.e., a lower surface) which are oppositely disposed, and a through hole 203 is formed through the first surface 201 and the second surface 202. The material placing platform 30 is used for placing the protective film 200 and the product 300, the protective film 200 is placed on the material placing platform 30, and the product 300 is placed on the protective film 200. The first driving module 10 is in transmission connection with the material placing platform 30 and is used for driving the material placing platform 30 to move up and down in the through hole 203. The first driving module 10 can be, but is not limited to, a lift cylinder, etc.

Referring to fig. 2 and 3, in the present embodiment, the number of the arc film sticking mechanisms 40 is two, and the two arc film sticking mechanisms 40 are symmetrically disposed on two sides of the product 300, that is, on two sides of the material placing platform 30. The two arc-surface film pasting mechanisms 40 have the same structure. The cambered surface film pasting mechanism 40 comprises a fixing part 401, a first support arm 402 connected with the fixing part 401, a second support arm 403 hinged with the first support arm 402, and a first film pasting roller 404 arranged at one end of the second support arm 403 far away from the first support arm 402. The fixing portion 401 is substantially a plate and fixed to the second surface 202 of the supporting platform 20 (see fig. 1). First arm 402 is generally "L" shaped and includes a vertical portion 4021 and a lateral portion 4022 connected to vertical portion 4021. The vertical portion 4021 is fixedly connected to the fixing portion 401, the second support arm 403 is arranged at one end of the transverse portion 4022, a first film sticking roller 404 is arranged at one end, far away from the transverse portion 4022, of the second support arm 403, and the first film sticking roller 404 is located in the through hole 203 (see fig. 1). A first elastic member 405 is disposed between the vertical portion 4021 of the first arm 402 and the second arm 403, and the first elastic member 405 may be, but is not limited to, a spring.

Referring to fig. 1, 4 and 5, in the present embodiment, the number of the planar film sticking mechanisms 50 is two. The two plane film pasting mechanisms 50 are arranged on the first surface 201 and symmetrically arranged along two sides of the through hole 203. The two planar film pasting mechanisms 50 have the same structure. The planar film pasting mechanism 50 includes an accommodating portion 501, a second driving module 502 disposed in the accommodating portion 501, a third arm 503 connected to the second driving module 502 in a transmission manner, and a second film pasting roller 504. The second film pasting roller 504 includes a rotating shaft 5041 and a roller 5042 sleeved on the rotating shaft 5041, and the rotating shaft 5041 penetrates out of the roller 5042. An opening 5031 is formed at one end of the third arm 503, and the end of the rotating shaft 5041 is engaged with the opening 5031, so that the second film-sticking roller 504 is fixed to the third arm 503. A second elastic member 505 is disposed in the opening 5031, one end of the second elastic member 505 abuts against the inner wall of the opening 5031, and the other end abuts against the rotating shaft 5041. The second elastic member 505 may be, but is not limited to, a spring, etc.

Further, as shown in fig. 4, the housing 501 may include two bottom plates 5011, two vertical connection plates 5012, and a horizontal connection plate 5013. The two base plates 5011 are arranged on the first surface 201 (see fig. 1), and each base plate 5011 is provided with an upward extending vertical connecting plate 5012. The horizontal connecting plates 5013 are slidably arranged on the two vertical connecting plates 5012. The surface of the horizontal connecting plate 5013 close to the bottom plate 5011 is provided with a sliding block 5014, the surface of the vertical connecting plate 5012 far away from the bottom plate 5011 is provided with a rail 5015 matched with the sliding block 5014, and a sliding rail 5016 consisting of the sliding block 5014 and the rail 5015 can drive the horizontal connecting plate 5013 to move by sliding the sliding block 5014 on the rail 5015, so as to drive the third support arm 503 and the second film pasting roller 504 arranged at one end of the horizontal connecting plate 5013 to move.

It is understood that one end of the horizontal connecting plate 5013 is provided with two parallel third arms 503, and one end of each third arm 503 away from the horizontal connecting plate 5013 is provided with the opening 5031. The two ends of the rotating shaft 5041 are respectively engaged with the openings 5031, so that the second film-sticking roller 504 is fixed between the two third arms 503.

As shown in fig. 4 and 5, further, the second driving module 502 may include a rotary cylinder 5021, a gear 5022 coaxially connected with the rotary cylinder 5021, and a rack 5023 engaged with the gear 5022. The rack 5023 is provided in the horizontal coupling plate 5013 near the surface (i.e., lower surface) of the bottom plate 5011, and the rotary cylinder 5021, the gear 5022, and the rack 5023 are located in the housing 501 surrounded by the two bottom plates 5011, the two vertical coupling plates 5012, and the horizontal coupling plate 5013.

Referring to fig. 1 and fig. 2, in some embodiments, the film laminating apparatus 100 further includes two film positioning mechanisms 60, and the two film positioning mechanisms 60 are symmetrically disposed on two sides of the through hole 203 and are closer to the through hole 203 than the planar film laminating mechanism 50. The film positioning mechanism 60 includes a vacuum suction plate 601 disposed on the first surface 201, two positioning pins 602 are disposed on the vacuum suction plate 601, a positioning hole 21 is disposed on the protective film 200, and the positioning pins 602 are configured to penetrate through the positioning hole 21 to position the protective film on the vacuum suction plate 601. Preferably, the positioning pin 602 is 1mm higher than the surface of the protective film. The surface of the vacuum suction plate 601 is provided with a plurality of small holes 6011 and a connector 6012, wherein the connector 6012 is used for externally connecting a vacuum device (not shown) to form a negative pressure in the small holes 6011, so as to tightly suck and fix the protective film 200. It can be understood that the surface of the material placing platform 30 may also be provided with a plurality of small holes and joints, and the joints are used for connecting a vacuum device externally to form negative pressure in the small holes, so as to tightly suck and fix the product 300. When the product is to be laminated, the vacuum device can be closed, and the protective film 200 can move under the action of external force.

Referring to fig. 1 and 6, in some embodiments, the film sticking device 100 further includes a product positioning mechanism 70. The product positioning mechanism 70 includes a third driving module 701, a fixing plate 702, a fourth driving module 703 and a positioning module 704. The second surface 202 is provided with two side plates 2021, and the side plates 2021 extend away from the second surface 202. The side plate 2021 has a notch at an end close to the second surface 202, and the side plate 2021 is substantially shaped like a Chinese character 'ao'. A horizontal plate 2022 is fixedly connected between the two side plates 2021, and the first driving module 10 is fixedly connected with the horizontal plate 2022.

The third driving module 701 is disposed on the side plate 2021, and the third driving module 701 may be, but not limited to, a three-axis cylinder, etc. The fixing plate 702 is disposed at an end of the third driving module 701 close to the second surface 202, and the third driving module 701 is in transmission connection with the fixing plate 702. The surface of the fixing plate 702 away from the third driving module 701 is provided with the fourth driving module 703, and the fourth driving module 703 may be, but is not limited to, a sliding table cylinder, etc. The surface of the fourth driving module 703, which is far away from the fixed plate 702, is provided with a sliding member 705, and the sliding member 705 is fixedly connected to the positioning module 704 through a first mounting plate 706. The at least two positioning modules 704 may be moved toward or away from each other to grip or release the product 300. In this example, the number of the positioning modules 704 is four, and each positioning module 704 has an L-shaped notch near the end of the product 300 to support the four corners of the product 300. The fixed plate 702, the slide 705, and the first mounting plate 706 may all be plate-like in shape.

The third driving module 701 (three-axis cylinder) can reciprocate in the vertical direction, so as to drive the fixing plate 702 to move in the vertical direction, and further drive the fourth driving module 703, the sliding part 705 and the first mounting plate 706 on the fixing plate 702 to move in the vertical direction, so as to drive the positioning module 704 to move in the vertical direction. The fourth driving module 703 (sliding table cylinder) can reciprocate in the horizontal direction, and then drives the sliding member 705 and the first mounting plate 706 thereon to move in the horizontal direction, so as to drive the positioning module 704 to move in the horizontal direction. The product 300 may be positioned by adjusting the position of the positioning module 704 in the vertical direction and the horizontal direction.

With continued reference to fig. 1, 2, and 7, in some embodiments, the film pasting device 100 further includes a product fixing mechanism 80. The product fixing mechanism 80 includes a second mounting plate 801, a fifth driving module 802, and a clamping assembly 803. Second mounting panel 801 is fixed in a side of material placement platform 30, fifth drive module 802 is located second mounting panel 801 is kept away from material placement platform 30's surface, centre gripping subassembly 803 connect in the top surface of second mounting panel 801 and with fifth drive module 802 transmission is connected. The fifth driving module 802 may be, but is not limited to, a cylinder, etc.

Further, as shown in fig. 7, the product fixing mechanism 80 further includes two brackets 804 and a connecting member 805. The end of the second mounting plate 801 extends upward to form two protrusions 8011, and the two brackets 804 respectively abut against the two protrusions 8011. The second mounting plate 801 further comprises a first cross bar 8012, and the first cross bar 8012 passes through the protrusions 8011 and the bracket 804 at one end close to the second mounting plate 801. The clamping assembly 803 includes a nip 8031 and a second cross-bar 8032 and a third cross-bar 8033 disposed through the nip 8031. The second cross bar 8032 is sleeved on one end of the bracket 804 far away from the second mounting plate 801. One end of the pressing part 8031, which is far away from the material placing platform 30, extends outward to form two protruding parts 8034, the connecting element 805 is located between the two protruding parts 8034, and the third cross bar 8033 passes through the connecting element 805 and is connected with the two protruding parts 8034. The connecting member 805 is connected to the fifth driving module 802.

After the product positioning mechanism 70 positions the product, the fifth driving module 802 moves upward to drive the connecting member 805 to move upward to drive the third cross bar 8033 to move upward, so that the end portion of the pressing portion 8031, which is far away from the third cross bar 8033, is pressed downward to press the product 300, thereby fixing the product 300. At this time, the bottom surface of the product 300 is attached.

In some embodiments, the film attachment apparatus 100 may further include an industrial control system. The industrial control system is configured to adjust parameters of the first driving module 10, the second driving module 502, the third driving module 701, the fourth driving module 703, and the fifth driving module 802. The parameters include, but are not limited to, direction of movement, speed of movement, distance of movement, direction of rotation, speed of rotation, and angle of rotation, among others. The industrial control system can modify the parameters of the film sticking device 100 in real time to meet the sticking requirements.

The operation of the film laminating apparatus 100 will be described below.

Referring to fig. 8, after the protective film 200 and the product 300 are placed, the pressing portion 8031 presses down and compresses the product 300, so as to fix the product 300, and the bottom surface of the product 300 is attached.

Then, referring to fig. 9, the first driving module 10 drives the protection film 200 and the product 300 to descend.

Next, referring to fig. 10, the protection film 200 is attached to the arc surface of the product 300 by being pressed by the first film attaching rollers 404 at both sides of the product 300.

Referring to fig. 11, the first driving module 10 drives the protective film 200 and the product 300 to ascend, and the position of the product 300 after the bottom surface attachment in fig. 11 is substantially the same as the initial position of the product in fig. 8.

Next, referring to fig. 12, under the driving of the second driving module 502 (see fig. 4) on one side of the product 300, the second film-attaching roller 504 moves forward to attach the protective film 200 to the top surface of the product 300, and after the attachment of the half of the top surface is completed, the second driving module 502 drives the second film-attaching roller 504 to move back.

Finally, referring to fig. 13, under the driving of the second driving module 502 (see fig. 4) on the other side of the product, the second film-pasting roller 504 on the other side moves forward to paste the protective film 200 on the top surface of the product 300, so as to complete the pasting of the other half of the top surface, and then the second driving module 502 drives the second film-pasting roller 504 to move back, so as to complete the whole pasting on the top surface, that is, complete the whole pasting on the product 300.

According to the film sticking device 100 provided by the application, the first elastic piece 405 is arranged between the first support arm 402 and the second support arm 403 of the arc surface film sticking mechanism 40, and effective sticking to the arc surface of the product 300 can be ensured by utilizing the mode that the first elastic piece 405 is in elastic tangency with the arc surface of the product 300; the plane film sticking mechanism 50 is provided with a second elastic part 505, so that the film sticking surface can be uniformly stressed, and the sticking effect is good. The film pasting device 100 can be used for pasting films on the cambered surface and the plane of the product 300, and compared with manual attachment, the efficiency can be greatly improved, and the labor cost is saved.

The above description is a few specific embodiments of the present application, but in practical applications, the present application is not limited to these embodiments. Other modifications and changes made by those skilled in the art based on the technical idea of the present application should fall within the scope of the present application.

Claims

1. A film sticking device for sticking a protective film on a product is characterized by comprising:

a first driving module;

the bearing platform comprises a first surface and a second surface which are oppositely arranged, and a through hole which penetrates through the first surface and the second surface is formed in the bearing platform;

the cambered surface film pasting mechanism is used for pasting a film on the cambered surface of the product; the cambered surface film sticking mechanism comprises a fixed part, a first support arm connected with the fixed part, a second support arm hinged with the first support arm and a first film sticking roller arranged at one end of the second support arm far away from the first support arm; the fixed part is fixed on the second surface, and a first elastic piece is arranged between the first support arm and the second support arm; and

2. The film sticking device as claimed in claim 1, wherein the accommodating portion comprises two bottom plates, two vertical connecting plates and a horizontal connecting plate, the two bottom plates are arranged on the first surface, each vertical connecting plate is arranged on one bottom plate and extends upwards, and the horizontal connecting plate is slidably arranged on the surface of the two vertical connecting plates far away from the bottom plates.

3. The film sticking device as claimed in claim 2, wherein one end of the horizontal connecting plate is provided with two third supporting arms which are parallel to each other, and one end of each third supporting arm, which is far away from the horizontal connecting plate, is provided with an opening; two tail ends of the rotating shaft are respectively clamped in the openings, so that the second film pasting roller is fixed between the two third support arms.

4. The film sticking device as claimed in claim 2, wherein the second driving module comprises a rotary cylinder, a gear coaxially connected with the rotary cylinder, and a rack engaged with the gear; the rack is arranged on the surface of the horizontal connecting plate close to the bottom plate, and the rotary cylinder, the gear and the rack are positioned in an accommodating part enclosed by the two bottom plates, the two vertical connecting plates and the horizontal connecting plate.

5. The film laminating device as recited in claim 1, wherein the film laminating device further comprises two film positioning mechanisms, and the through hole is located between the two film positioning mechanisms; the film positioning mechanism comprises a vacuum suction plate arranged on the first surface, the vacuum suction plate is provided with a positioning pin, the protective film is provided with a positioning hole, and the positioning pin is used for penetrating through the positioning hole so as to position the protective film on the vacuum suction plate; the surface of the vacuum suction plate is provided with a plurality of small holes and joints, and the joints are used for being externally connected with a vacuum device to enable negative pressure to be formed in the small holes, so that the protective film is fixed.

6. The film laminating device of claim 1, further comprising a product positioning mechanism, wherein the product positioning mechanism comprises a third driving module, a fixing plate, a fourth driving module and a positioning module;

the second surface is provided with a side plate, the side plate extends along the direction far away from the second surface, and the side plate is provided with the third driving module; the fixing plate is arranged at one end, close to the second surface, of the third driving module, and the third driving module is in transmission connection with the fixing plate; the surface of the fixing plate, which is far away from the third driving module, is provided with the fourth driving module; a sliding part is arranged on the surface, away from the fixed plate, of the fourth driving module and is connected with the positioning module through a first mounting plate; the third driving module is used for driving the positioning module to move in the vertical direction, and the fourth driving module is used for driving the positioning module to move in the horizontal direction.

7. The film laminating device of claim 6, further comprising a product securing mechanism, the product securing mechanism comprising a second mounting plate, a fifth drive module, and a clamping assembly; the second mounting panel is located material place the platform's a side, fifth drive module locates the second mounting panel is kept away from material place the platform's surface, centre gripping subassembly fixed connection in the top surface of second mounting panel and with fifth drive module transmission is connected.

8. The film pasting device of claim 7, wherein said product securing mechanism further comprises two brackets and a connecting member; the end part of the second mounting plate extends upwards to form two bulges, and the two brackets are respectively abutted against the two bulges; the second mounting plate also comprises a first cross rod, and the first cross rod simultaneously penetrates through the bulge and one end of the bracket close to the second mounting plate; the clamping assembly comprises a pressing part, a second cross rod and a third cross rod, the second cross rod and the third cross rod penetrate through the pressing part, and the second cross rod is sleeved at one end, far away from the second mounting plate, of the support; one end of the pressing part, which is far away from the material placing platform, extends outwards to form two protruding parts, the connecting piece is positioned between the two protruding parts, and the third cross rod penetrates through the connecting piece and is connected with the two protruding parts; the connecting piece is connected with the fifth driving module.

9. The film laminating apparatus of claim 7, further comprising an industrial control system configured to adjust parameters of the first drive module, the second drive module, the third drive module, the fourth drive module, and the fifth drive module, the parameters including a direction of movement, a speed of movement, a distance of movement, a direction of rotation, a speed of rotation, and a angle of rotation.

10. The film sticking device of claim 7, wherein the first driving module comprises a jacking electric cylinder, the third driving module comprises a three-axis cylinder, the fourth driving module comprises a sliding table cylinder, and the fifth driving module comprises a cylinder.