CN210758024U

CN210758024U - Cutting mechanism for release film

Info

Publication number: CN210758024U
Application number: CN201921321980.XU
Authority: CN
Inventors: 陆文革; 张亚周; 杨鹏飞
Original assignee: Changzhou Zhanming Membrane Technology Co ltd
Current assignee: Changzhou Zhanming Membrane Technology Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-06-16
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to the technical field of film production equipment, in particular to a release film cutting mechanism, which comprises a frame, a roller shaft arranged on the frame, a cutter, a base and a fixed seat, wherein the cutter is arranged on the fixed seat, the fixed seat is rotationally arranged on the base, the frame is provided with a first driving mechanism for driving the base to reciprocate along the axial direction of the roller shaft, a slide way is arranged on the contact surface of the base and the fixed seat, and steel balls matched with the slide way are arranged in the slide way in a sliding way, when the release film cutting mechanism is used, the first driving mechanism drives the base to reciprocate along the axial direction of the roller shaft, so that the cutter on the fixed seat reciprocates and moves, when one stroke of the cutter is finished, the cutter is rotated by one hundred eighty degrees by rotating the fixed seat, and then the film can be cut by the first driving mechanism in the return stroke, thus, the working efficiency of the cutting mechanism is improved.

Description

Cutting mechanism for release film

Technical Field

The utility model belongs to the technical field of membrane production facility technique and specifically relates to a from type membrane cutting mechanism is related to.

Background

The release film is also called as a release film, a separation film, a silicon oil film, an anti-sticking film and a protective film, and is a film with a separable surface, wherein a plastic film is subjected to plasma treatment or fluorine coating treatment, or a silicon (silicone) release agent is coated on the surface layer of the film material, such as PET, PE, OPP and the like, so that the release film can show extremely light and stable release force for various organic pressure-sensitive adhesives, and mainly comprises a base material, a primer and the release agent.

The existing release film cutting mechanism is used for one-way cutting, and when cutting, the cutting structure only can cut the film in sequence in a reciprocating mode, so that the cutting mechanism does useless work during return stroke, the loss of equipment is increased, and the working efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve present from type membrane cutting mechanism and for one-way cutting to when cutting, cut the structure reciprocal only can cut the membrane in proper order, just so make to cut the mechanism and do useless work when the return stroke, just so increased the loss of equipment, also reduced work efficiency's problem, provide one kind now and cut the mechanism from type membrane.

The utility model provides a technical scheme that its technical problem adopted is: a release film cutting mechanism comprises a rack, a roller shaft arranged on the rack, a cutter, a base and a fixed seat, wherein the cutter is arranged on the fixed seat, the fixed seat is rotatably arranged on the base, a first driving mechanism for driving the base to reciprocate along the axial direction of the roller shaft is arranged on the rack, a slide way is arranged on the contact surface of the base and the fixed seat, a steel ball matched with the slide way is arranged in the slide way in a sliding manner, a first spring is arranged between the steel ball and the slide way, a sliding groove is arranged on the contact surface of the fixed seat and the base, one end of the steel ball is arranged in the sliding groove in a sliding manner, the sliding groove is arranged along the rotating direction of the fixed seat, positioning grooves are arranged at the two ends of the sliding groove, one end of each positioning groove is communicated with the corresponding sliding groove, the depth of, the locating slots at the two ends of the sliding groove are arranged in a one-hundred-eighty degree mode. Drive the base through first actuating mechanism and follow roller axial reciprocating displacement, just also make the cutter reciprocating displacement on the fixing base, when a stroke of cutter is ended, through rotating the fixing base for one hundred eighty degrees accent of cutter is changeed, then also can cut the membrane when first actuating mechanism is at the return stroke, has just so improved the work efficiency who cuts the mechanism.

Because the depth of spout is less than the degree of depth of constant head tank, in order to make things convenient for the steel ball to enter into the spout by the constant head tank, furtherly, be provided with the direction section between constant head tank and the spout, the inclined plane that the direction section is for the tilt up setting gradually to the spout by the constant head tank. The guide section is arranged between the positioning groove and the sliding groove, and the guide section is an inclined plane which is formed by upwards inclining the positioning groove to the sliding groove, so that the steel balls are guided, and the steel balls can conveniently enter the sliding groove from the positioning groove.

In order to realize the reciprocating displacement of the cutting knife, the first driving mechanism further comprises a rodless cylinder, and the base is arranged on a sliding sleeve of the rodless cylinder. The reciprocating displacement of the cutter is realized by arranging the slide sleeve of the rodless cylinder on the base.

In order to be better suitable for films with different thicknesses, the rodless cylinder is arranged on the rack in a sliding mode, and a second driving mechanism used for controlling the rodless cylinder to be close to or far away from the roll shaft is arranged on the rack. The second driving mechanism drives the cutter to feed towards the film direction, so that the cutting depth of the cutter to the film is adjusted, and the film cutting device is also suitable for the thicknesses of different films.

In order to realize the sliding of the rodless cylinder on the frame, further, a linear guide rail is arranged on the frame, a sliding block matched with the linear guide rail is arranged on the rodless cylinder, and the sliding block is arranged on the linear guide rail in a sliding manner. The slide block arranged on the rodless cylinder is matched with the linear guide rail arranged on the rack, so that the rodless cylinder slides on the rack.

In order to enable the cutter to better cut the film, the film cutting device further comprises a connecting rod and a second spring, wherein the connecting rod is rotatably arranged on the fixed seat, the cutter is arranged at one end of the connecting rod, one end of the second spring is arranged at one end, far away from the cutter, of the connecting rod, the other end of the second spring is arranged on the fixed seat, and the rotation central point of the connecting rod is positioned between the cutter and the second spring. Because the film has certain flexibility, the cutter is pulled by the spring, so that the cutter can be lifted up under the acting force of the film, and the cutter has certain floating space.

The utility model has the advantages that: the utility model discloses from type membrane cutting mechanism when using, drive the base through first actuating mechanism and follow the reciprocal displacement of roller axial, just also make the reciprocal displacement of cutter on the fixing base, when a stroke of cutter is ended, through rotating the fixing base, make cutter one hundred eighty degree transfer, then also can cut the membrane when the return stroke at first actuating mechanism, just so improved the work efficiency who cuts the mechanism, avoided having now to cut the mechanism from type membrane for one-way cutting, and when cutting, it only can cut the membrane in proper order to cut the structure is reciprocal, just so make the mechanism of cutting do not have the purpose work when the return stroke, just so increase the loss of equipment, work efficiency's problem has also been reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of a sliding groove on the fixing base of the present invention;

fig. 4 is a schematic structural view of the middle sliding groove and the positioning groove of the present invention.

In the figure: 1. the cutting machine comprises a rack, 2, a roller shaft, 3, a cutter, 4, a base, 401, a slide way, 5, a fixed seat, 501, a sliding groove, 502, a positioning groove, 6, a first spring, 7, a guide section, 8, a rodless cylinder, 9, a linear guide rail, 10, a sliding block, 11, a connecting rod, 12, a second spring, 13 and a second driving mechanism.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-4, a release film cutting mechanism includes a frame 1, a roller shaft 2 disposed on the frame 1, a cutter 3, a base 4, and a fixing base 5, wherein the cutter 3 is disposed on the fixing base 5, the fixing base 5 is rotatably disposed on the base 4, the frame 1 is provided with a first driving mechanism for driving the base 4 to reciprocate axially along the roller shaft 2, a slide 401 is disposed on a contact surface between the base 4 and the fixing base 5, a steel ball 14 matched with the slide 401 is slidably disposed in the slide 401, a first spring 6 is disposed between the steel ball 14 and the slide 401, a slide groove 501 is disposed on a contact surface between the fixing base 5 and the base 4, one end of the steel ball 14 is slidably disposed in the slide groove 501, the slide groove 501 is disposed along a rotation direction of the fixing base 5, and positioning grooves 502 are disposed at two ends of the slide groove 501, one end of the positioning groove 502 is communicated with the sliding groove 501, the depth of the positioning groove 502 on the fixed seat 5 is larger than that of the sliding groove 501 on the fixed seat 5, and the positioning grooves 502 at two ends of the sliding groove 501 are arranged in one hundred eighty degrees.

A guide section 7 is arranged between the positioning groove 502 and the sliding groove 501, and the guide section 7 is an inclined surface which is inclined gradually upwards from the positioning groove 502 to the sliding groove 501.

The first driving mechanism comprises a rodless cylinder 8, and the base 4 is arranged on a sliding sleeve of the rodless cylinder 8. A piston type magnetic ring is arranged in the rodless cylinder 8, and the displacement of the magnetic ring can drive a sliding sleeve outside the rodless cylinder 8 to displace.

The rodless cylinder 8 is arranged on the frame 1 in a sliding mode, and a second driving mechanism 13 used for controlling the rodless cylinder 8 to be close to or far away from the roll shaft 2 is arranged on the frame 1. The second driving mechanism 13 is a rod cylinder, the extending end of the rod cylinder is fixedly arranged on the rodless cylinder 8, the rod cylinder and the rodless cylinder 8 are both connected with an external air source, and the operation is controlled by an external controller.

The frame 1 is provided with a linear guide rail 9, the rodless cylinder 8 is provided with a sliding block 10 matched with the linear guide rail 9, and the sliding block 10 is arranged on the linear guide rail 9 in a sliding mode.

Still include connecting rod 11 and second spring 12, connecting rod 11 rotates and sets up on fixing base 5, cutter 3 sets up the one end at connecting rod 11, the one end setting of second spring 12 is kept away from the one end of cutter 3 at connecting rod 11, the other end setting of second spring 12 is on fixing base 5, the rotation central point of connecting rod 11 is located between cutter 3 and the second spring 12.

When the release film cutting mechanism is used, the roller shaft 2 on the frame 1 winds the film, the film after winding needs to be cut, the rod cylinder at the second driving mechanism 13 is started, the rod cylinder drives the sliding block 10 to move on the linear guide rail 9 of the frame 1, so that the cutter 3 gradually approaches the film, the cutter 3 is adjusted to a required position, the rod cylinder at the second driving mechanism 13 is stopped, the rod cylinder keeps the existing extending state, the rodless cylinder 8 at the first driving mechanism is started, the magnetic ring inside the rodless cylinder 8 drives the external sliding sleeve to move, so that the sliding sleeve drives the base 4 and the fixing base 5 to move, the cutter 3 moves along the axial direction of the roller shaft 2 and cuts the film, the cutter 3 does not need to return the cutter 3 after completing the movement of one stroke, the fixing base 5 is rotated, the steel ball 14 on the base 4 moves from the positioning groove 502 on the fixing base 5 to the sliding groove 501, the steel ball 14 also slides in the slide 401 and exerts reverse effort to first spring 6, continues the back and rotates fixing base 5 and makes the steel ball 14 displacement to the constant head tank 502 of the spout 501 other end in, under the effort of first spring 6, the steel ball 14 card is established to the constant head tank 502 in, and the cutter 3 accomplishes one hundred eighty degree and transfers the commentaries on classics this moment, starts no pole cylinder 8 and drives the displacement of cutter 3 to the realization is to the cutting of membrane.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a cut mechanism from type membrane, includes frame (1) and roller (2) of setting in frame (1), its characterized in that: the cutting device is characterized by further comprising a cutter (3), a base (4) and a fixing seat (5), wherein the cutter (3) is arranged on the fixing seat (5), the fixing seat (5) is rotatably arranged on the base (4), a first driving mechanism for driving the base (4) to axially reciprocate along the roller shaft (2) is arranged on the rack (1), a slide way (401) is arranged on the contact surface of the base (4) and the fixing seat (5), a steel ball (14) matched with the slide way (401) is arranged in the slide way in a sliding mode, a first spring (6) is arranged between the steel ball (14) and the slide way (401), a slide groove (501) is arranged on the contact surface of the fixing seat (5) and the base (4), one end of the steel ball (14) is arranged in the slide groove (501) in a sliding mode, the slide groove (501) is arranged along the rotating direction of the fixing seat (5), and positioning grooves (502) are arranged at two ends of, the one end and the spout (501) intercommunication of constant head tank (502), the degree of depth that constant head tank (502) are located on fixing base (5) is greater than the degree of depth that spout (501) are located on fixing base (5), constant head tank (502) at spout (501) both ends are one hundred eighty degrees and set up.

2. The release film cutting mechanism according to claim 1, wherein: a guide section (7) is arranged between the positioning groove (502) and the sliding groove (501), and the guide section (7) is an inclined plane which is gradually inclined upwards from the positioning groove (502) to the sliding groove (501).

3. The release film cutting mechanism according to claim 2, wherein: the first driving mechanism comprises a rodless cylinder (8), and the base (4) is arranged on a sliding sleeve of the rodless cylinder (8).

4. The release film cutting mechanism according to claim 3, wherein: the rodless cylinder (8) is arranged on the rack (1) in a sliding mode, and a second driving mechanism (13) used for controlling the rodless cylinder (8) to be close to or far away from the roll shaft (2) is arranged on the rack (1).

5. The release film cutting mechanism according to claim 4, wherein: the automatic feeding device is characterized in that a linear guide rail (9) is arranged on the rack (1), a sliding block (10) matched with the linear guide rail (9) is arranged on the rodless cylinder (8), and the sliding block (10) is arranged on the linear guide rail (9) in a sliding mode.

6. The release film cutting mechanism according to claim 1, wherein: still include connecting rod (11) and second spring (12), connecting rod (11) rotate and set up on fixing base (5), cutter (3) set up the one end at connecting rod (11), the one end setting of second spring (12) is kept away from the one end of cutter (3) at connecting rod (11), the other end setting of second spring (12) is on fixing base (5), the rotation central point of connecting rod (11) is located between cutter (3) and second spring (12).