CN217020547U

CN217020547U - Film cutting device

Info

Publication number: CN217020547U
Application number: CN202220545407.2U
Authority: CN
Inventors: 庞泽涛; 盛增; 潘恩超; 韩祥晨; 沈思香; 解正柱; 吕超宇
Original assignee: Jiangsu Huizhi New Material Technology Co ltd
Current assignee: Jiangsu Huizhi New Material Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-22
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a film cutting device, comprising: the base is provided with first marker posts fixed on two sides of the base and second marker posts which reciprocate along the extension direction of the first marker posts; the sample cutting assembly is connected to the second mark post in a sliding mode and reciprocates along the extension direction of the second mark post; the sample cutting assembly and/or the second marker post are/is provided with a film pressing piece which is matched with the base to clamp the film; and a film channel is arranged between the second mark post and the sample cutting assembly and between the second mark post and the base. This film cutting device passes through first sighting rod, second sighting rod and cuts out mutual slip between the appearance subassembly, has realized the sample of a plurality of samples of multiple spot promptly, has also solved the problem that the benchmark limit direction of a plurality of samples of multiple spot can not keep unanimous, and then has improved the measured data accuracy of each item index of sample.

Description

Film cutting device

Technical Field

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

Background

In the field of membrane manufacture and application, sampling detection is an indispensable link. In particular, in the field of special optical films, it is necessary to measure the polarization angle, phase difference, alignment angle, etc. of the film, and detection of the above-mentioned indices requires detection based on the reference edge of the film. In the actual detection process, multi-point sampling is adopted for comparing and evaluating the performance and quality of the film, however, in the existing sampling process, the precision of a cutting tool is insufficient or the tool is simple and crude, so that the reference edge directions of a plurality of samples cut from the same film are often inconsistent, the accuracy of measurement data of each index of the sample is easily influenced, and the performance and quality of the film cannot be well reflected objectively.

Prior art, publication No. CN207600767U discloses a film sampling tool, which includes: the sample cutting module is arranged above the pressing module; the pressing module comprises a supporting base, a pressing block and a positioning block, and the pressing block is positioned on the supporting base through the positioning block fixed on the upper surface of the supporting base; the sample cutting module comprises a fixed ruler, a cutter and a fixed bolt, and the cutter is fixedly connected with the fixed ruler through the fixed bolt. The tool solves the problems of low dimensional precision, irregular edge and nonadjustable cutter size and shape in sampling; however, when sampling is performed at multiple points, the directions of the reference edges of a plurality of samples cut from the same film cannot be consistent, and the vertical and horizontal directions of the samples cannot be kept uniform with the vertical and horizontal directions on the film production line.

Accordingly, there is a need for improvements in prior art film cutting tools.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a film cutting device, which can realize the sampling of a plurality of samples at multiple points by the mutual sliding among a first mark post, a second mark post and a sample cutting assembly, and the directions of the reference edges of the samples are kept consistent, thereby improving the accuracy of the measured data of each index of the samples.

In order to realize the technical effects, the technical scheme of the utility model is as follows: a film cutting apparatus comprising: the device comprises a base, a first marking pole and a second marking pole, wherein the first marking pole is fixed on two sides of the base; the sample cutting assembly is connected to the second mark post in a sliding mode and reciprocates along the extension direction of the second mark post; the sample cutting assembly and/or the second mark post are/is provided with a film pressing piece which is matched with the base to clamp the film; and a film channel is arranged between the second mark post and the sample cutting assembly and the base.

The included angle formed by the intersection of the extending directions of the first marker post and the second marker post is any angle, and the direction of at least one reference edge of a plurality of samples is ensured to be consistent. Furthermore, the first marker post and the second marker post are perpendicular to each other. All be provided with accurate scale mark on first sighting rod and the second sighting rod.

In order to simplify the sample cutting assembly, the sample cutting assembly preferably comprises a sliding plate and a cutter, the sliding plate reciprocates along the extending direction of the second mark post, and the cutting edge of the cutter is positioned below the sliding plate. Furthermore, the plane of the sliding plate is parallel to the plane of the base. Furthermore, a central line marking line or a scale marking line is arranged on the sliding plate. The center line marking lines or scale marking lines are used for marking the positions of the slide plate and the first and second poles and determining the width and length of the sample film.

In order to ensure that a film is not deformed, folded and moved when a cutter cuts the film and that a second mark post and a sliding plate slide and are not blocked when multi-point sampling is carried out, the preferable technical scheme is that the film pressing piece comprises a rubber strip and a film pressing switching mechanism, and the film pressing switching mechanism is used for adjusting a film pressing station where the rubber strip is abutted to the base and a standby station where the rubber strip is separated from the base; the film pressing station is that the rubber strip is crossing with the membrane, the standby station is that the rubber strip is separated from the membrane.

In order to realize multipoint sampling and avoid the cutter from damaging the integrity of the film to be detected in the sliding process of the sliding plate, the preferable technical scheme is that the cutter is provided with a station adjusting mechanism, the station adjusting mechanism is used for adjusting a film cutting station of the cutter and a station separated from the film, the film cutting station is that the cutting edge of the cutter intersects with the film, and the film separating station is that the cutting edge of the cutter separates from the film.

In order to optimize the cutting efficiency and the sampling diversity, the preferable technical scheme is that the two second mark poles are arranged between the first mark poles in parallel, and the sliding plate is clamped between the two second mark poles; the cutter includes the first cutter of two at least looks intervals settings, the cutting direction of first cutter with the extending direction of second sighting rod is unanimous.

In order to achieve the cutting synchronization of the cutters and further optimize the cutting efficiency, the preferable technical scheme is that the cutters comprise at least two second cutters arranged at intervals, connecting rods are arranged at the tops of the at least two second cutters, the sliding plate is provided with a guide groove in shearing fit with the second cutters, and the extending direction of the guide groove is consistent with the extending direction of the first marker post.

In order to ensure that the cutting tracks of the first cutter and the second cutter are intersected to realize sampling, the preferable technical scheme is that the length of the guide groove is greater than or equal to the distance between the first cutters, and the first cutters are positioned between two end parts of the guide groove.

In order to guarantee that the cutter cuts the tensile force at membrane edge unanimous behind the membrane, and then guarantee the planarization on sample edge first sighting rod extending direction benchmark limit, realized the benchmark limit direction uniformity of sample, preferred technical scheme does, the slide is provided with presses the membrane spare, press the membrane spare including mated rubber strip, the cutting edge clamp of second cutter is located in pairs between the rubber strip.

In order to ensure that the pressure borne by the rubber strip is balanced when the rubber strip is abutted to the base and further the tension of the rubber strip at the film pressing station is kept consistent, the preferred technical scheme is that one end of the rubber strip is connected with the rigid fixing piece, and the other end of the rubber strip faces towards the base.

In order to stabilize the sample cutting assembly, the preferable technical scheme is that the first marker post and the second marker post are both provided with positioning pieces, and the positioning pieces are used for fixing the stations of the sample cutting assembly.

The utility model has the advantages and beneficial effects that:

this film cutting device passes through first sighting rod, second sighting rod and cuts out mutual slip between the appearance subassembly, has realized the sample of a plurality of samples of multiple spot promptly, has also solved the unable unanimous problem that keeps in the benchmark limit direction of a plurality of samples of multiple spot, and then has improved the measured data accuracy of each item index of sample.

Drawings

FIG. 1 is a plan view of a film cutting apparatus according to example 1 of the present invention;

FIG. 2 is a front view of a film cutting apparatus according to example 1 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a plan view of a film cutting apparatus according to example 2 of the present invention;

FIG. 5 is a left side sectional view of a film cutting apparatus according to example 2 of the present invention;

FIG. 6 is a schematic structural diagram of a sample cutting assembly according to embodiment 2 of the present invention;

FIG. 7 is a left side view of a sample cutting assembly according to embodiment 2 of the present invention;

FIG. 8 is a front view of a blank assembly according to example 3 of the present invention;

fig. 9 is a partial enlarged view of B in fig. 8.

In the figure: 1. a base; 2. a sample cutting assembly; 3. pressing the membrane; 10. a membrane channel; 11. a first post; 12. a second marker post; 20. a cutter; 21. a first cutter; 22. a second cutter; 30. a rubber strip; 31. a rigid mount; 101. a positioning member; 200. a slide plate; 201. a guide groove; 202. a connecting rod; 210. a first pressure lever; 211. a first spring; 212. a first locking member; 301. a second pressure lever; 302. a second spring; 303. a second locking member.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The references to "top", "bottom" and "top" are made with respect to the normal use of the film cutting apparatus and are intended only to facilitate the description of the utility model and to simplify the description, but do not indicate or imply that the apparatus or components referred to must be in a particular orientation, constructed and operated in a particular orientation and, therefore, should not be taken as limiting the utility model.

Example 1

As shown in fig. 1 to 3, the film cutting device comprises a base 1 and a sample cutting assembly 2, wherein the base 1 is provided with first mark bars 11 fixed on two sides of the base 1, and second mark bars 12 reciprocating along the extending direction of the first mark bars 11; the sample cutting assembly 2 is connected to the second mark post 12 in a sliding mode and reciprocates along the extending direction of the second mark post 12; the sample cutting assembly 2 and the second mark post 12 are both provided with film pressing pieces 3 which are matched with the base 1 to clamp the film; a film channel 10 is arranged between the second mark post 12 and the sample cutting assembly 2 and the base 1.

The sample cutting assembly 2 comprises a sliding plate 200 and a cutting knife 20, wherein the sliding plate 200 reciprocates along the extending direction of the second mark post 12, and the cutting edge of the cutting knife 20 is positioned below the sliding plate 200. The cutter 20 is provided with a station adjusting mechanism, the station adjusting mechanism comprises a first pressure lever 210, a first spring 211 and a first locking part 212, the first pressure lever 210 penetrates through the sliding plate 200, one end of the first pressure lever 210 is fixedly connected with the cutter 20, and the other end of the first pressure lever is provided with a bending part; the first spring 211 is sleeved on the first pressing rod 210 and clamped between the bending part and the sliding plate 200; the first locking member 212 is disposed on the sliding plate 200, and when the cutter keeps a film cutting station, the first locking member 212 is pressed on the top surface of the bending portion.

The film pressing piece 3 comprises a rubber strip 30 and a film pressing switching mechanism, one end of the rubber strip 30 is connected with the rigid fixing piece 31, the other end of the rubber strip faces the base 1, the film pressing switching mechanism comprises a second pressing rod 301, a second spring 302 and a second locking piece 303, both ends of the second pressing rod 301 are provided with bending vertical rods, the end parts of the bending vertical rods penetrate through the sliding plate 200 and are fixedly connected with the rubber strip 30, and the second spring 302 is sleeved on the bending vertical rods and clamped between the second pressing rod 301 and the sliding plate 200; the second locking member 303 is disposed on the sliding plate 200, and when the rubber strip 30 abuts against the base 1 to maintain the film pressing station, the second locking member 303 is pressed on the second pressing rod 301.

The sliding plate 200 is provided with a guide groove 201 which is matched with the cutting knife 20 in a shearing manner, and the extending direction of the guide groove 201 is consistent with the extending direction of the first mark post 11. The film pressing member 3 is disposed on the slide plate 200. The slide 200 is provided with a center line marking line.

First sighting rod 11 and second sighting rod 12 all are provided with setting element 101, and setting element 101 includes a plurality of through-hole and with through-hole matched with puller bolt, a plurality of through-hole set up on first sighting rod 11 and second sighting rod 12.

Example 2

As shown in fig. 4 to 7, embodiment 2 is based on embodiment 1, and is different in that there are two second poles 12, the two second poles 12 are arranged between the first poles 11 in parallel, and the sliding plate 200 is clamped between the two second poles 12; the cutter 20 comprises two first cutters 21 arranged at intervals, and the cutting direction of the first cutters 21 is consistent with the extending direction of the second mark post 12. The cutter 20 further comprises two second cutters 22 arranged at intervals, the top parts of the two second cutters 22 are provided with connecting rods 202, the sliding plate 200 is provided with guide grooves 201 matched with the two second cutters 22 in a shearing mode, and the extending direction of the guide grooves 201 is consistent with the extending direction of the first mark post 11.

The length of the guide groove 201 is greater than the distance between the first cutters 21, and the first cutters 21 are located between both end portions of the guide groove 201.

Example 3

As shown in fig. 8 to 9, embodiment 3 is based on embodiment 2, and is different in that a slide plate 200 is provided with a film pressing member 3, the film pressing member 3 includes a pair of rubber strips 30, and a blade edge of a second cutter 22 is interposed between the pair of rubber strips 30.

When the film cutting apparatus of example 3 is used, the film is placed in the film passage 10 provided between the second post 12 and the blank assembly 2 and the base 1, the transverse direction of the film is aligned with the extending direction of the second post 12, and the longitudinal direction of the film is aligned with the extending direction of the first post 11. The second mark post 12 slides along the extending direction of the first mark post 11, so that the scale marking line on the sliding plate 200 corresponds to the scale on the first mark post 11, the position of the sample is determined, the position of the second mark post 12 is locked by the positioning part 101 on the first mark post 11, the second mark post 12 is provided with a film pressing part 3 which is matched with the base 1 to clamp the film, the rubber strip 30 on the second mark post 12 is abutted with the base 1 to keep a film pressing station, then the first pressing rod 210 of the first cutter 21 is pressed, the first locking part 212 is pressed on the top surface of the bending part of the first pressing rod 210, along with the reciprocating movement of the sliding plate 200 along the extending direction of the second mark post 12, the datum line cutting along the extending direction of the second mark post 12 is completed. The first locking member 212 on the first pressing rod 210 is disengaged and the first cutter 21 is restored to the disengagement station with the film.

Utilize setting element 101 locking slide 200 that sets up on the second sighting rod 12, slide 200 is provided with presses membrane spare 3, press rubber strip 30 fixed connection's second depression bar 301, when rubber strip 30 keeps the press mold station with base 1 looks butt, second locking piece 303 is pressed and is located on second depression bar 301, utilize the connecting rod 202 that second cutter 22 top set up, the synchronous cutting of two looks interval set up second cutter 22 along guide way 201, the extending direction of guide way 201 is unanimous with the extending direction of first sighting rod 11, and simultaneously, press membrane spare 3 includes mated rubber strip 30, the cutting edge of second cutter 22 presss from both sides and locates between mated rubber strip 30, the stability of second cutter 22 cutting has been improved. After one sample is cut, the next sample is cut, the second locking piece 303 arranged on the sliding plate 200 is separated from the second pressure rod 301, the sliding plate 200 slides along the extending direction of the second mark post 12, so that the scale marking line on the sliding plate 200 corresponds to the scale on the second mark post 12, the position of the sample is determined, the sliding plate 200 is locked by the positioning piece 101 arranged on the second mark post 12, and the cutting process of the second cutter 22 is repeated. The transverse direction and the longitudinal direction of the obtained multiple samples are consistent with the transverse direction and the longitudinal direction of the whole product, the direction of a reference line among the samples can be ensured to be consistent, and the accuracy of index measurement values such as phase difference, alignment angle, polarization angle and the like of sample detection is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A film cutting apparatus, comprising:

the device comprises a base (1), a first marker post (11) fixed on two sides of the base (1), and a second marker post (12) reciprocating along the extending direction of the first marker post (11);

the sample cutting assembly (2) is connected to the second mark post (12) in a sliding mode and reciprocates along the extending direction of the second mark post (12);

the sample cutting assembly (2) and/or the second mark post (12) are/is provided with a film pressing piece (3) which is matched with the base (1) to clamp a film;

a film channel (10) is arranged between the second mark post (12), the sample cutting component (2) and the base (1).

2. The film cutting apparatus according to claim 1, wherein the sample cutting assembly (2) comprises a slide (200) and a cutter (20), the slide (200) reciprocates along an extending direction of the second target (12), and a cutting edge of the cutter (20) is located below the slide (200).

3. The film cutting device according to claim 1, wherein the film pressing member (3) comprises a rubber strip (30) and a film pressing switching mechanism, and the film pressing switching mechanism is used for adjusting a film pressing station at which the rubber strip (30) is abutted against the base (1) and a standby station at which the rubber strip is separated from the base (1); the film pressing station is that rubber strip (30) is crossing with the membrane, the standby station is that rubber strip (30) and membrane are kept away from each other.

4. The film cutting device according to claim 2, wherein the cutter (20) is provided with a station adjusting mechanism for adjusting a film cutting station of the cutter (20) and a film separating station, the film cutting station is that the blade of the cutter (20) intersects with the film, and the film separating station is that the blade of the cutter (20) separates from the film.

5. The film cutting device according to claim 2, wherein two second poles (12) are arranged in parallel between the first poles (11), and the sliding plate (200) is clamped between the two second poles (12); the cutting knife (20) comprises at least two first cutting knives (21) arranged at intervals, and the cutting direction of the first cutting knives (21) is consistent with the extending direction of the second mark post (12).

6. The film cutting device according to claim 5, wherein the cutting knife (20) comprises at least two second cutting knives (22) arranged at intervals, a connecting rod (202) is arranged at the top of at least two second cutting knives (22), the sliding plate (200) is provided with a guide groove (201) matched with the second cutting knives (22) in a shearing mode, and the extending direction of the guide groove (201) is consistent with the extending direction of the first mark post (11).

7. The film cutting device according to claim 6, wherein the length of the guide groove (201) is equal to or greater than a distance between the first cutting blades (21), the first cutting blades (21) being located between both end portions of the guide groove (201).

8. The film cutting device according to claim 6, characterized in that said sliding plate (200) is provided with a film pressing member (3), said film pressing member (3) comprising a pair of rubber strips (30), the cutting edge of said second cutter (22) being interposed between said pair of rubber strips (30).

9. The film cutting device according to claim 3 or 8, characterized in that the rubber strip (30) is connected at one end to a rigid mount (31) and at the other end towards the base (1).

10. The film cutting device according to claim 1, wherein the first and second marker posts (11, 12) are provided with positioning members (101), and the positioning members (101) are used for fixing the stations of the sample cutting assembly (2).