CN220741312U

CN220741312U - Lever type film drawing device

Info

Publication number: CN220741312U
Application number: CN202322354635.9U
Authority: CN
Inventors: 张静宜; 丁永山; 李良勇
Original assignee: Guangdong Jingyu Technology Co ltd
Current assignee: Guangdong Jingyu Technology Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-09
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a lever type film scratching device which comprises a cutter sleeve, a fixed seat connected to the bottom of the cutter sleeve, a movable seat connected to the fixed seat, a cutter sleeve arranged on the movable seat and a cutter fixed in the cutter sleeve, wherein a first hinge post is arranged at the lower part of the fixed seat, the movable seat is hinged to the first hinge post, a containing groove is arranged on the movable seat, a second hinge post is arranged on the containing groove, one end of the cutter sleeve is hinged to the second hinge post, a cutter placing groove is arranged in the cutter sleeve, the cutter can be obliquely inserted into the cutter placing groove, the cutter sleeve comprises a hinge part and a cutter fixing part, a fixing hole, an anti-rotation hole and a dismounting hole are further arranged on the cutter fixing part, and the dismounting hole penetrates through the cutter fixing part and is communicated with the cutter placing groove. By adopting the utility model, the indentation of the cutter sleeve can be eliminated; but also can adjust the cutting force and avoid generating thicker film lines.

Description

Lever type film drawing device

Technical Field

The utility model relates to the technical field of film drawing equipment, in particular to a lever type film drawing device.

Background

The film cutting equipment is equipment capable of cutting the protective film on the surfaces of plates such as metal plates, stainless steel plates, precoated steel plates and glass, and the protective film on the surfaces of the plates can be easily torn off when needed through cutting the protective film, so that the subsequent production of the plates is facilitated. The equipment is widely applied to the fields of plate processing industries such as automobile manufacturing, electronic equipment manufacturing, household appliance industry, sanitary industry, kitchen electric industry and the like. The thickness of the protective films is very thin, usually between 0.04 and 0.7mm, and the adopted materials can be hot zinc, color plates, PCM, VCM, PEM, PPM, ACM and the like.

The film drawing equipment is generally provided with a moving mechanism and a film drawing device fixed on the moving mechanism, the moving mechanism can drive the film drawing device to move on the surface of a plate, the existing film drawing device generally comprises a lifting mechanism, a cylinder type cutter sleeve and a cutter, the cylinder type cutter sleeve is used for fixing the cutter, the cylinder type cutter sleeve is fixed on the lifting mechanism, and the lifting mechanism drives the cylinder type cutter sleeve to move up and down so as to cut a protective film. During cutting, the bottom of the cutter sleeve needs to be pressed on the surface of the plate, and the cutter protrudes from the bottom of the cutter sleeve by a length of a few micrometers so as to cut the film. The structure of the film scratching device and the film scratching method are easy to leave an indentation on the surface of the plate, the length of the cutter protruding out of the bottom of the cutter sleeve is difficult to control, and the conditions of thick film lines and even scratching of the plate are easy to generate.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lever type film scratching device which can eliminate the impression of a cutter sleeve; but also can adjust the cutting force and avoid generating thicker film lines.

In order to solve the technical problems, the utility model provides a lever type film scratching device which comprises a cutter sleeve, a fixed seat connected to the bottom of the cutter sleeve, a movable seat connected to the fixed seat, a cutter sleeve arranged on the movable seat and a cutter fixed in the cutter sleeve, wherein the fixed seat comprises a connecting rod, the connecting rod is coaxially fixed in the cutter sleeve, a first hinge post is arranged at the lower part of the fixed seat, and the movable seat is hinged on the first hinge post.

The movable seat is provided with a containing groove, the containing groove is provided with a second hinge post, one end of the cutter sleeve is hinged to the second hinge post, a cutter containing groove is formed in the cutter sleeve, the cutter can be obliquely inserted into the cutter containing groove, the tail end of the cutter is provided with a cutter tip, and the cutter tip protrudes towards the obliquely lower side of the movable seat.

As the improvement of above-mentioned scheme, the knife rest includes articulated portion and solid sword portion, articulated portion articulated in on the second articulated post, put the sword groove and locate in the solid sword portion, still be equipped with the fixed orifices on the solid sword portion, the fixed orifices run through solid sword portion and with put the sword groove intercommunication, the center pin of fixed orifices with put the center pin mutually perpendicular in sword groove.

As the improvement of above-mentioned scheme, still be equipped with in the solid sword portion and prevent changeing the hole, prevent changeing the hole run through in solid sword portion and with put sword groove intercommunication, prevent changeing the length direction in hole perpendicular to put the length direction in sword groove, keep away from in the cutter the one end of knife tip is prevent changeing the end, prevent changeing one side of end and be equipped with and prevent changeing the face, prevent changeing the plane of face and be on a parallel with the axis direction of cutter, prevent changeing the face can the butt in prevent changeing on the inside wall in hole.

As the improvement of above-mentioned scheme, still be equipped with the dismantlement hole on the fixed sword portion, the dismantlement hole run through in the fixed sword portion and with put sword groove intercommunication, the length direction of dismantlement hole is on a parallel with the length direction of preventing changeing the hole, prevent changeing the end and still be equipped with the dismantlement face, dismantlement face perpendicular to the axis direction of cutter, dismantlement face can the butt in the inside wall of dismantlement hole, dismantlement face can expose in the dismantlement hole.

As the improvement of above-mentioned scheme, still be equipped with down dog and enclosing cover on the movable seat, down the dog is located the below of knife tackle, down the dog can with the lower surface looks butt of fixed sword portion, the one end of enclosing cover with down the dog is connected, the other end with the lateral part of movable seat is connected, the enclosing cover span in on the notch of holding tank.

As the improvement of above-mentioned scheme, still include knife shell adjustment mechanism, knife shell adjustment mechanism is including locating in the movable seat and towards the first regulation hole of holding groove extension, wear to locate butt post, first elastic component and the first regulation double-screw bolt in the first regulation hole, the one end protrusion of butt post in the holding groove and with the lateral part looks butt of knife shell, the other end of butt post with the one end of first elastic component is connected, the other end of first elastic component with first regulation double-screw bolt is connected, first regulation double-screw bolt can be through first elastic component is adjusted the butt post protrusion in the length of holding groove.

As the improvement of the scheme, the movable seat further comprises a pressing wheel, wherein the pressing wheel is arranged on one side of the movable seat opposite to the accommodating groove, the pressing wheel is hinged to the lower portion of the movable seat, and the hinged position of the pressing wheel is staggered with the position of the accommodating groove.

As the improvement of above-mentioned scheme, still include movable seat adjustment mechanism, movable seat adjustment mechanism is including locating second regulation hole in the movable seat, wear to locate second elastic component and second regulation double-screw bolt in the second regulation hole, locate the second regulation hole with between the first articulated column swing hole and wear to locate spacing post in the swing hole, the one end butt of second elastic component in the second regulation hole, the other end with the second regulation double-screw bolt is connected, the direction of wearing of swing hole is perpendicular to the direction of wearing of second regulation hole establishes, the swing hole is the arc hole, the arc centre of a circle of swing hole with the axle center coincidence of first articulated post, the both ends of spacing post are fixed in on the fixing base, the spacing post can be right the swing scope of swing hole is prescribe a limit.

As an improvement of the scheme, the cutter point comprises a cutting surface and a supporting surface, wherein the cutting surface is arranged on two sides of the supporting surface, the cutting surfaces on two sides are intersected to form a cutting edge, and the cutting surface and the supporting surface enclose a triangular pyramid.

As the improvement of above-mentioned scheme, still include the rotary drum, be equipped with the rotary groove in the rotary drum, sleeve cutter section of thick bamboo upper portion is equipped with rotation portion, the rotary groove cover is located outside the rotation portion, sleeve cutter section of thick bamboo's lower part is equipped with the connecting hole, the connecting rod is fixed in the connecting hole.

The implementation of the utility model has the following beneficial effects:

the lever type film scratching device is provided with a cutter sleeve, a fixed seat, a movable seat, a cutter sleeve and a cutter, wherein the movable seat is hinged to a first hinge post of the fixed seat, a second hinge post is arranged in a containing groove of the movable seat, one end of the cutter sleeve is hinged to the second hinge post, the cutter sleeve is obliquely arranged, the cutter can be obliquely inserted into a cutter placing groove of the cutter sleeve, and the cutter tip of the cutter protrudes towards the obliquely lower side of the movable seat. When the cutter sleeve is used, the cutter sleeve is driven to descend, so that the cutter tip is abutted to the protective film of the plate, at the moment, the cutter is obliquely arranged, only the cutter tip is in contact with the protective film, and the cutter sleeve is not in contact with the protective film, so that the cutter sleeve indentation cannot be left, and the effect of eliminating the cutter sleeve indentation is achieved. And the knife sleeve can swing around the second hinge post by a certain amplitude, the movable seat can swing around the first hinge post by a certain amplitude, and the knife can adjust the positions of the knife sleeve and the movable seat according to the received pressure in the cutting process, so that the knife can always keep a proper distance with the protective film, the cutting force can be adjusted, and thicker film lines are avoided.

Drawings

FIG. 1 is a schematic diagram of a split structure of a lever type film scratching device of the present utility model;

FIG. 2 is a schematic view of the assembled structure of the tool holder and the movable base of the present utility model;

FIG. 3 is a schematic view of the assembled structure of the tool insert and tool of the present utility model;

FIG. 4 is a schematic side view of the tool of the utility model;

fig. 5 is a schematic partial cross-sectional view of the assembled structure of the drum and sleeve of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.

Referring to fig. 1, the embodiment of the utility model discloses a lever type film scratching device, which comprises a cutter sleeve 1, a fixed seat 2 connected to the bottom of the cutter sleeve 1, a movable seat 3 connected to the fixed seat 2, a cutter sleeve 4 arranged on the movable seat 3 and a cutter 5 fixed in the cutter sleeve 4. The external moving mechanism is connected with the cutter sleeve 1, and can drive the cutter sleeve 1 to move above the plate, the fixed seat 2 is static relative to the cutter sleeve 1, and the movable seat 3 can swing relative to the fixed seat 2. The cutter 5 is a round bar-shaped cutter 5, has small surface friction force and rolling property on a plane, and is required to be fixed by using the cutter sleeve 4. The fixing seat 2 comprises a connecting rod 21, the connecting rod 21 is coaxially fixed in the cutter sleeve 1, the cutter sleeve 1 can drive the fixing seat 2 to move, a first hinge post 22 is arranged at the lower part of the fixing seat 2, the first hinge post 22 is vertically erected on the side surface of the fixing seat 2, and the movable seat 3 is hinged on the first hinge post 22, so that the movable seat 3 can swing around the first hinge post 22 by a certain amplitude. The movable seat 3 is provided with a containing groove 31, the cutter sleeve 4 is arranged in the containing groove 31, the containing groove 31 is provided with a second hinge post 32, one end of the cutter sleeve 4 is hinged to the second hinge post 32, the cutter sleeve 4 can swing around the second hinge post 32 by a certain amplitude, the cutter sleeve 4 is internally provided with a cutter containing groove 41, the section of the cutter containing groove 41 is circular, the cutter 5 can be obliquely inserted into the cutter containing groove 41 to form fixed connection, the tail end of the cutter 5 is provided with a cutter tip 51, the cutter tip 51 protrudes towards the obliquely lower side of the movable seat 3, and the cutter tip 51 is used for contacting with a protective film below.

The embodiment of the utility model has the following beneficial effects:

the lever type film scratching device is provided with a cutter sleeve 1, a fixed seat 2, a movable seat 3, a cutter sleeve 4 and a cutter 5, wherein the movable seat 3 is hinged on a first hinge post 22 of the fixed seat 2, a second hinge post 32 is arranged in a containing groove 31 of the movable seat 3, one end of the cutter sleeve 4 is hinged on the second hinge post 32, the cutter sleeve 4 is obliquely arranged, the cutter 5 can be obliquely inserted into a cutter placing groove 41 of the cutter sleeve 4, and a cutter tip 51 of the cutter 5 protrudes towards the obliquely lower side of the movable seat 3. When the cutter sleeve 1 is used, the cutter sleeve 1 is driven to descend, so that the cutter tip 51 is abutted against the protective film of the plate, at the moment, the cutter 5 is obliquely arranged, only the cutter tip 51 is in contact with the protective film, and the cutter sleeve 4 is not in contact with the protective film, so that the impression of the cutter sleeve 4 is not left, and the effect of eliminating the impression of the cutter sleeve 4 is achieved. And the knife sleeve 4 can swing around the second hinge post 32 by a certain amplitude, the movable seat 3 can swing around the first hinge post 22 by a certain amplitude, and the position of the knife sleeve 4 and the movable seat 3 can be adjusted according to the received pressure in the cutting process of the knife 5, so that the knife 5 can keep a proper distance with a protective film all the time, the cutting force can be adjusted, and thicker film lines are avoided.

Specifically, referring to fig. 2, the cutter sleeve 4 includes a hinge portion 42 and a cutter fixing portion 43, the hinge portion 42 is hinged on the second hinge post 32, the cutter fixing slot 41 is disposed in the cutter fixing portion 43, the cutter fixing portion 43 can swing around the hinge portion 42, a fixing hole 431 is further disposed on the cutter fixing portion 43, the fixing hole 431 penetrates through the cutter fixing portion 43 and is communicated with the cutter fixing slot 41, a central axis of the fixing hole 431 is perpendicular to a central axis of the cutter fixing slot 41, and a fastening member such as a stop screw can penetrate through the fixing hole 431 and is abutted against the cutter 5 in the cutter fixing slot 41, so that the cutter 5 is fixed. Because the cutter 5 is in a round bar shape, in order to prevent the rotation of the cutter 5 in the process of scribing, the fixed cutter part 43 is further provided with an anti-rotation hole 432, the anti-rotation hole 432 penetrates through the fixed cutter part 43 and is communicated with the cutter placing groove 41, the length direction of the anti-rotation hole 432 is perpendicular to the length direction of the cutter placing groove 41, one end, away from the cutter tip 51, of the cutter 5 is an anti-rotation end 52, one side of the anti-rotation end 52 is provided with an anti-rotation surface 521, the plane of the anti-rotation surface 521 is parallel to the axis direction of the cutter 5, after the cutter 5 is inserted into the cutter placing groove 41, the anti-rotation surface 521 can be abutted against the inner side wall of the anti-rotation hole 432, and the inner side wall of the anti-rotation hole 432 can prevent the anti-rotation surface 521 from overturning, so that the cutter 5 can be prevented from rotating in the process of scribing.

Referring to fig. 3 and 4, the cutter 5 is in a circular bar shape, the length of the cutter tip 51 protruding from the cutter body is only a few micrometers, a worker cannot withdraw the cutter 5 from the cutter tip 51, in order to facilitate removal of the cutter 5, a removal hole 433 is further formed in the cutter fixing portion 43, the removal hole 433 penetrates through the cutter fixing portion 43 and is communicated with the cutter placing groove 41, the length direction of the removal hole 433 is parallel to the length direction of the rotation preventing hole 432, the rotation preventing end 52 is further provided with a removal surface 522, the removal surface 522 is perpendicular to the axis direction of the cutter 5, the removal surface 522 can be abutted against the inner side wall of the removal hole 433, the removal surface 522 can be exposed to the removal hole 433, when the cutter is required to be removed, a rectangular tool such as a straight screwdriver is inserted into the removal hole 433, the tip of the tool is inserted between the removal surface 522 and the inner side wall of the removal hole 433, then the removal surface 522 is moved toward the notch of the cutter placing groove 432 by a lever, and the cutter can be directly pulled out of the cutter 5 by the worker from the cutter placing groove 41 by the long length.

The movable seat 3 is further provided with a lower stopper 33 and an outer cover 34, the lower stopper 33 is disposed below the cutter sleeve 4, the lower stopper 33 can be abutted against the lower surface of the fixed cutter portion 43, the lower stopper 33 can limit the swing amplitude of the cutter sleeve 4, and when the protective film is cut, a reaction force can be generated on the cutter sleeve 4, so that the cutter point 51 can continuously act on the protective film. The second hinge post 32 forms a fulcrum, and the reaction of the lower stop 33 to the tool housing 4 and the reaction of the protective film to the tool 5 form a lever structure with which the film can be scored. In addition, one end of the outer cover 34 is connected to the lower stopper 33, the other end is connected to the side of the movable seat 3, and the outer cover 34 spans the notch of the accommodating groove 31. The outer cover 34 serves to limit lateral movement of the sleeve 4, while the outer cover 34 is capable of protecting the sleeve 4.

Further, the lever type film scoring device further comprises a knife sleeve adjusting mechanism 6, the knife sleeve adjusting mechanism 6 comprises a first adjusting hole 61, a abutting column 62, a first elastic member 63 and a first adjusting stud 64, wherein the first adjusting hole 61 is arranged in the movable seat 3 and extends towards the accommodating groove 31, the abutting column 62 is arranged in the first adjusting hole 61 in a penetrating mode, one end of the abutting column 62 protrudes out of the accommodating groove 31 and abuts against the side portion of the knife sleeve 4, the other end of the abutting column 62 is connected with one end of the first elastic member 63, the other end of the first elastic member 63 is connected with the first adjusting stud 64, the first elastic member 63 is preferably a spring, and can continuously generate extrusion force on the abutting column 62, so that the abutting column can continuously abut against one side of the knife sleeve 4, the knife tip 51 can be always contacted with a protective film to generate cutting force, the first adjusting stud 64 can be screwed out, the first adjusting stud 64 can be adjusted through the first elastic member 63 to protrude out of the accommodating groove 31, and the knife sleeve 4 can be compressed to a certain degree, and the cutting force can be provided for the knife sleeve 4. Through adjusting the cutting dynamics of the tool sleeve 4, thicker film lines can be avoided, and the condition of scratching the plate can be avoided.

The lever type film scratching device further comprises a pressing wheel 8, the pressing wheel 8 is arranged on one side, opposite to the accommodating groove 31, of the movable seat 3, the pressing wheel 8 is hinged to the lower portion of the movable seat 3, the pressing wheel 8 is used for flattening plates and guiding movement of the cutter 5, the hinged position of the pressing wheel 8 and the position of the accommodating groove 31 are staggered, and a hinged shaft of the pressing wheel 8 cannot penetrate through the accommodating groove 31 to affect movement of the cutter sleeve 4.

In addition, the lever type film scratching device can also adjust the downward pressing force of the pressing wheel 8, the lever type film scratching device further comprises a movable seat adjusting mechanism 7, the movable seat adjusting mechanism 7 comprises a second adjusting hole 71 arranged in the movable seat 3, a second elastic piece 72 and a second adjusting stud 73 penetrating through the second adjusting hole 71, a swinging hole 74 arranged between the second adjusting hole 71 and the first hinging column 22, and a limiting column 75 penetrating through the swinging hole 74, the second elastic piece 72 is preferably a spring, one end of the second elastic piece 72 is abutted to the second adjusting hole 71, and the other end of the second elastic piece is connected with the second adjusting stud 73. By adjusting the screwing depth of the second adjusting stud 73, the pushing distance of the second elastic member 72 to the movable seat 3 can be adjusted, so as to adjust the pressing force of the pressing wheel 8.

The penetrating direction of the swinging hole 74 is perpendicular to the penetrating direction of the second adjusting hole 71, the swinging hole 74 is an arc hole, the arc center of the swinging hole 74 coincides with the axis of the first hinge post 22, two ends of the limiting post 75 are fixed on the fixed seat 2, the limiting post 75 is static relative to the swinging hole 74, when the movable seat 3 swings around the first hinge post 22, the swinging hole 74 can swing around the first hinge post 22 at two sides of the limiting post 75, and the limiting post 75 can limit the swinging range of the swinging hole 74, so that the pushing distance of the second elastic piece 72 to the movable seat 3 is limited.

The knife tip 51 includes a cutting surface 511 and a supporting surface 512, the cutting surface 511 is disposed on two sides of the supporting surface 512, the cutting surfaces 511 on two sides are intersected to form a cutting edge 53, the cutting surface 511 and the supporting surface 512 enclose a triangular pyramid, the cutting surfaces 511 on two sides can cut and separate the protective film, and the triangular pyramid enables the knife 5 to automatically turn along with the change of the moving direction of the moving mechanism, so that a better cutting effect can be obtained at the turning position.

Referring to fig. 5, in order to realize automatic steering, the lever type film scratching device further comprises a rotary drum 9, a rotary groove 91 is formed in the rotary drum 9, a rotary part 11 is arranged on the upper portion of the cutter sleeve 1, the rotary groove 91 is sleeved outside the rotary part 11, a connecting hole 12 is formed in the lower portion of the cutter sleeve 1, and a connecting rod 21 is fixed in the connecting hole 12. The rotating part 11 can rotate in the rotating groove 91, when the moving direction of the moving mechanism changes, the reaction force of the protective film to the knife tip 51 can force the knife 5 to follow the steering, and at this time, the cooperation between the rotating part 11 and the rotating groove 91 provides the degree of freedom for the steering of the knife 5.

The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.

Claims

1. The lever type film scratching device is characterized by comprising a cutter sleeve, a fixed seat connected to the bottom of the cutter sleeve, a movable seat connected to the fixed seat, a cutter sleeve arranged on the movable seat and a cutter fixed in the cutter sleeve, wherein the fixed seat comprises a connecting rod, the connecting rod is coaxially fixed in the cutter sleeve, a first hinge post is arranged at the lower part of the fixed seat, and the movable seat is hinged on the first hinge post;

2. A lever type film scratching device according to claim 1, wherein the knife sleeve comprises a hinge part and a knife fixing part, the hinge part is hinged on the second hinge post, the knife placing groove is arranged in the knife fixing part, the knife fixing part is further provided with a fixing hole, the fixing hole penetrates through the knife fixing part and is communicated with the knife placing groove, and the central axis of the fixing hole is perpendicular to the central axis of the knife placing groove.

3. The lever type film scratching device according to claim 2, wherein the fixed cutter part is further provided with an anti-rotation hole, the anti-rotation hole penetrates through the fixed cutter part and is communicated with the cutter placing groove, the length direction of the anti-rotation hole is perpendicular to the length direction of the cutter placing groove, one end of the cutter, which is far away from the cutter point, is an anti-rotation end, one side of the anti-rotation end is provided with an anti-rotation surface, the plane of the anti-rotation surface is parallel to the axis direction of the cutter, and the anti-rotation surface can be abutted to the inner side wall of the anti-rotation hole.

4. A lever type film scratching device according to claim 3, wherein the fixed blade part is further provided with a detaching hole, the detaching hole penetrates through the fixed blade part and is communicated with the blade placing groove, the length direction of the detaching hole is parallel to the length direction of the anti-rotation hole, the anti-rotation end is further provided with a detaching surface, the detaching surface is perpendicular to the axis direction of the cutter, the detaching surface can be abutted against the inner side wall of the detaching hole, and the detaching surface can be exposed in the detaching hole.

5. A lever type film scratching device according to claim 2, wherein the movable seat is further provided with a lower stop block and an outer cover, the lower stop block is arranged below the cutter sleeve, the lower stop block can be abutted against the lower surface of the fixed cutter part, one end of the outer cover is connected with the lower stop block, the other end is connected with the side part of the movable seat, and the outer cover spans over the notch of the accommodating groove.

6. A lever type film scratching device according to claim 1, further comprising a knife sleeve adjusting mechanism, wherein the knife sleeve adjusting mechanism comprises a first adjusting hole which is arranged in the movable seat and extends towards the accommodating groove, an abutting column which penetrates through the first adjusting hole, a first elastic piece and a first adjusting stud, one end of the abutting column protrudes out of the accommodating groove and abuts against the side part of the knife sleeve, the other end of the abutting column is connected with one end of the first elastic piece, the other end of the first elastic piece is connected with the first adjusting stud, and the first adjusting stud can adjust the length of the abutting column protruding out of the accommodating groove through the first elastic piece.

7. A lever type film scratching device according to claim 1, further comprising a pressing wheel, wherein the pressing wheel is arranged on one side of the movable seat opposite to the accommodating groove, the pressing wheel is hinged to the lower portion of the movable seat, and the hinged position of the pressing wheel is staggered with the position of the accommodating groove.

8. The lever type film scratching device according to claim 7, further comprising a movable seat adjusting mechanism, wherein the movable seat adjusting mechanism comprises a second adjusting hole arranged in the movable seat, a second elastic piece and a second adjusting stud which are arranged in the second adjusting hole in a penetrating manner, a swinging hole arranged between the second adjusting hole and the first hinging column and a limiting column arranged in the swinging hole in a penetrating manner, one end of the second elastic piece is abutted to the second adjusting hole, the other end of the second elastic piece is connected with the second adjusting stud, the penetrating direction of the swinging hole is perpendicular to the penetrating direction of the second adjusting hole, the swinging hole is an arc-shaped hole, the circle center of the arc of the swinging hole coincides with the axis of the first hinging column, two ends of the limiting column are fixed on the fixing seat, and the limiting column can limit the swinging range of the swinging hole.

9. A lever type film scoring device according to claim 1, wherein the blade tip comprises a cutting surface and a supporting surface, the cutting surface is arranged on two sides of the supporting surface, the cutting surfaces on two sides are intersected to form a cutting edge, and the cutting surface and the supporting surface enclose a triangular pyramid.

10. A lever type film scratching device according to claim 9, further comprising a rotary drum, wherein a rotary groove is formed in the rotary drum, a rotary part is arranged on the upper portion of the cutter sleeve, the rotary groove is sleeved outside the rotary part, a connecting hole is formed in the lower portion of the cutter sleeve, and the connecting rod is fixed in the connecting hole.