CN213902897U

CN213902897U - Sheet sampling device

Info

Publication number: CN213902897U
Application number: CN202022425160.4U
Authority: CN
Inventors: 刘杰鹏; 马艳红
Original assignee: Shenzhen Sanhuan Electronic Co ltd; Chaozhou Three Circle Group Co Ltd
Current assignee: Shenzhen Sanhuan Electronic Co ltd; Chaozhou Three Circle Group Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-06
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a sheet sampling device, include: a sampling mold comprising a press part; the cutting part comprises a cutting component and a sliding rail, one end of the cutting component is connected to the sliding rail in a sliding mode, a cutting knife facing the pressing component is arranged at the other end of the cutting component, and the cutting edge of the cutting knife is abutted and attached to the edge of the pressing component from top to bottom; the slide rail is arranged above the pressing part in parallel, and the length of the slide rail is not less than the perimeter of the pressing part. The sheet sampling device can rapidly and conveniently cut samples with neat edges and fixed sizes, and sampling accuracy is improved.

Description

Sheet sampling device

Technical Field

The utility model relates to a sheet detects technical field, especially relates to a sheet sampling device.

Background

In the field of sheet inspection, sampling is often involved, and it is necessary to take a sample of a predetermined size as an inspection sample from a large sheet of material. In particular, in the detection of the PET release film, the coating amount detection is an important detection for judging the coating and printing quality of the PET release film, and needs to be strictly controlled. The common coating weight detection method is to cut out a sample with a fixed size from a PET release film and measure whether the sample is important to exceed a control range, so that it is very critical whether the size of the sample is accurate.

The conventional sampling method is to manually cut along the edge of a die and then sample, the die needs to be pressed on a sheet in advance, and the die is manually cut along the edge of the die by a cutting assembly to obtain a sample. However, the method has low sampling precision and low efficiency, and cannot meet the requirement of high-precision sampling. Therefore, a semi-automatic sampling device is also provided in the prior art, which can reduce the adverse effect of manual operation on sampling precision, but the cutting tool used by the device is a scriber, which can generate large friction force during cutting, so that the pressed sheet is easy to move, and inaccurate sample cutting is caused; the scriber is easy to blunt, the edge of the scribed sample is not neat enough after blunting, and the sampling accuracy is also affected. In addition, such devices are not sufficiently automated, inefficient, and difficult to quickly sample.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a sheet sampling device, which can rapidly and conveniently cut out samples with neat edges and fixed sizes, and improves the sampling accuracy.

The purpose of the utility model is realized by adopting the following technical scheme:

a sheet sampling device, comprising:

a sampling mold comprising a press part;

the cutting part comprises a cutting component and a sliding rail, one end of the cutting component is connected to the sliding rail in a sliding mode, a cutting knife facing the pressing component is arranged at the other end of the cutting component, and the cutting edge of the cutting knife is abutted and attached to the edge of the pressing component from top to bottom; the slide rail is arranged above the pressing part in parallel, and the length of the slide rail is not less than the perimeter of the pressing part.

Further, the cutting assembly further comprises a support rod and a sliding block, the sliding block is connected to the sliding rail in a sliding mode, and the support rod is connected with and supports the sliding block and the cutting knife.

Furthermore, the cutting knife is circular with a rotating hole in the middle, and the outer edge of the circular cutting knife is a cutting edge; the rotating hole is connected with the supporting rod and can rotate by taking the supporting rod as a center.

Furthermore, the support rod further comprises a spring pressing piece and a support piece, the spring pressing piece is connected with the cutting knife, and the support piece is connected with and supports the spring pressing piece and the sliding block; the spring pressing piece provides spring pressing force towards the pressing piece for the cutting knife.

Further, the elastic pressing member is a rod-shaped member having an elastic force as a whole.

The device is characterized by further comprising a plurality of belt wheels, a synchronous belt and a clamping piece, wherein the belt wheels are distributed along the sliding rail, the synchronous belt is tightly tightened on the rotating surface of the belt wheels, and all the belt wheels synchronously rotate under the action of the synchronous belt; the clamping piece is clamped on the synchronous belt between the two belt wheels; and a plurality of cutting assemblies which are matched and connected with the clamping pieces are arranged, and the cutting assemblies are driven by the clamping pieces to slide.

Further, a rotating shaft of at least one pulley is connected with the motor shaft to be driven by the motor.

Furthermore, the pressing and combining piece is a polygon with N edges, and the cutting part is provided with N positions in a matching manner and corresponds to the N edges of the pressing and combining piece respectively.

Furthermore, the slide rail comprises N straight rails, and the length of each straight rail is greater than the side length of the corresponding pressing piece; the band pulley is N, and every band pulley is located the crossing department of per two slide rails.

Furthermore, the cutting part also comprises an installation platform, and the installation platform is arranged in the middle above the sampling mould and is larger than the sampling mould; the sliding rail is arranged at the edge of the mounting table, and the cutting knife is in an L shape which is bent after extending from the sliding rail to the sampling die; the contact position of the belt wheel and the synchronous belt is higher than the slide rail, and the synchronous belt is positioned above the slide rail; the clamping piece is positioned above the sliding block.

Sampling device among the prior art is unfavorable for quick high quality sample, has made the improvement to sampling device in this scheme. Wherein, the sample mould is used for knowing the size of sample fast, and pressfitting spare is used for pressing on the product, and the portion that is pressed is the suitable sample size of standard. The cutting part is a key part different from the prior art, because the sliding rail is parallel to the pressing part and the cutting component is connected on the sliding rail, the sliding rail plays a role in standardizing the moving track of the cutting component, and correspondingly, the cutting edge of the cutting knife is always abutted and attached to the edge of the pressing part, so that when the cutting component slides along the sliding rail, the cutting edge of the cutting knife only slides along the edge of the pressing part, the displacement phenomenon is not easy to occur, and the accuracy of the size is ensured; if the sheet to be sampled is pressed under the cutter, the sheet can be cut open along the shape of the pressing piece by the cutter, and the cutter-shaped structure is more suitable for cutting than a scriber and is not easy to pull away the sheet at the bottom. The length of the sliding rail is not less than the perimeter of the pressing piece, so that the movable range of the cutting knife is not less than the outer edge of the pressing piece at least, and each position of the outer edge of the pressing piece can be cut, and a sample can be completely cut. Therefore, when the sheet sampling device in the scheme is used for cutting a sample, the step of manually aligning and cutting the sample is avoided, the sample with accurate sampling size is convenient to obtain, and the sampling efficiency and quality are improved.

Drawings

Fig. 1 is a schematic structural diagram of a sheet sampling device according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

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

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 this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 shows a sheet sampling device of the present invention, which comprises a sampling mold 1 and a cutting part 2, wherein the sampling mold 1 comprises a pressing part 11; the cutting part 2 comprises a cutting component 21 and a slide rail 22, one end of the cutting component 21 is connected to the slide rail 22 in a sliding manner, the other end of the cutting component 21 is provided with a cutting knife 211 facing the pressing part 11, and the cutting edge of the cutting knife 211 is abutted and attached to the edge of the pressing part 11 from top to bottom; the slide rail 22 is arranged above the pressing part 11 in parallel, and the length of the slide rail 22 is not less than the perimeter of the pressing part 11.

The sampling die 1 is used for quickly knowing the size of a sample, the pressing piece 11 is used for pressing on a product, and the pressed part is the size of the sample with proper standard.

The cutting part 2 is a key component different from the prior art, because the slide rail 22 is parallel to the pressing part 11 and the cutting component 21 is connected to the slide rail 22, the slide rail 22 plays a role in standardizing the moving track of the cutting component 21, and correspondingly, the cutting edge of the cutting knife 211 is always abutted and attached to the edge of the pressing part 11, so that when the cutting component 21 slides along the slide rail 22, the cutting edge of the cutting knife 211 only slides along the edge of the pressing part 11, the displacement phenomenon is not easy to occur, and the accuracy of the size is ensured; if the sheet to be sampled is pressed under the cutter, the sheet is also cut by the cutter 211 along the shape of the pressing piece 11, and the cutter-shaped structure is more suitable for cutting than a scriber and is not easy to pull away the sheet at the bottom.

The length of the slide rail 22 is not less than the perimeter of the pressing part 11, so that the movable range of the cutting knife 211 is not less than the outer edge of the pressing part 11, and it is ensured that each position of the outer edge of the pressing part 11 can be cut, and the sample can be completely cut. Therefore, when the sheet sampling device in the scheme is used for cutting a sample, the step of manually aligning and cutting the sample is avoided, the sample with accurate sampling size is convenient to obtain, and the sampling efficiency and quality are improved.

As one of the specific embodiments of the cutting assembly 21, the cutting assembly 21 further includes a support rod 212 and a sliding block 213, the sliding block 213 is slidably connected to the sliding rail 22, and the support rod 212 is connected to support the sliding block 213 and the cutting blade 211. Because the slide rail 22 is disposed above the pressing member 11, a certain distance is provided between the slide rail 22 and the pressing member 11, and therefore, it is more reasonable and convenient to use the supporting rod 212 to connect the cutting knife 211 and the sliding block 213.

In addition to the use of a general elongated sheet-like cutter 211, the present embodiment preferably provides a circular cutter 211 having a rotation hole in the middle, and the outer edge of the circular cutter 211 is a blade; the rotating hole is connected with the supporting rod 212 and can rotate by taking the supporting rod 212 as a center. Such a circular cutting blade 211 may roll during the stroke, and the blade of the circular edge may be stroked across the sheet during the rolling process, thereby completing the cut. The mode avoids the defects that the traditional cutting knife 211 is small in stress point, small in cutting edge area actually used for cutting and easy to become blunt after being used for multiple times; on the premise of not lengthening the cutting edge, each cutting edge can be contacted with the sheet material, the length of the actual effective working cutting edge is greatly increased, the phenomenon of local abrasion is avoided, and the effective cutting service life of the cutting knife 211 is prolonged; and once the opening is cut at the beginning, the opening is always cut from the cut part to the uncut part in the rolling process, so that the product is cut more conveniently, and the sample is cut more efficiently.

In order to ensure complete cutting, the supporting rod 212 further comprises a spring piece 212a and a supporting piece 212b, the spring piece 212a is connected with the cutting knife 211, and the supporting piece 212b is connected with and supports the spring piece 212a and a sliding block 213; the elastic pressing piece 212a provides elastic pressure towards the pressing piece 11 for the cutting knife 211, so that the cutting knife 211 always applies pressure to the sheet below the pressing piece 11, and the cutting effect is better. Specifically, the elastic pressing member 212a is a rod-shaped member having an elastic force as a whole, and the rod-shaped member is more suitable for mounting the cutting blade 211 to be rotated than other shapes.

In order to further improve the modification efficiency, a plurality of belt wheels 23, a synchronous belt 24 and a clamping piece 25 are further provided, the belt wheels 23 are distributed along the slide rail 22, the synchronous belt 24 is tightened on the rotating surface of the belt wheels 23, and all the belt wheels 23 rotate synchronously under the action of the synchronous belt 24; the clamping piece 25 is clamped on the synchronous belt 24 between the two belt wheels 23; a plurality of cutting assemblies 21 are arranged and are matched with the clamping members 25, and the cutting assemblies 21 are driven by the clamping members 25 to slide. With this arrangement, a plurality of cutting assemblies 21 can be operated simultaneously, thereby saving time required for cutting. In order to ensure the synchronous rate of cutting, the belt wheel 23, the synchronous belt 24 and the clamping piece 25 are adopted to ensure that the moving time, the moving direction and the moving distance are the same, so that the different cutting assemblies 21 are prevented from influencing each other when cutting.

The rotation power of the pulley 23 may be manually rotated, but it is preferable to adopt a scheme in which a rotation shaft of at least one pulley 23 is connected to a motor shaft to be driven by a motor, so as to increase the rotation speed and maintain the stability of the rotation.

The sampling device in this scheme can be used for taking the sample of various shapes, for example circular, irregular shape and polygon, according to actual need set up cutting part 2 can. The cutting part 2 is provided with N parts in a matching way and respectively corresponds to the N edges of the pressing part 11, so that each edge can be cut by one knife, and the time is saved. As shown in fig. 1, which is a quadrangle, the slide rail 22 includes N straight rails, and the length of each straight rail is greater than the side length of the corresponding stitching member 11; the number of the belt wheels 23 is N, and each belt wheel 23 is arranged at the intersection of every two slide rails 22. When cutting, the actual length of the cutting seam of each edge is ensured to be larger than that of the laminating surface, and the sample can be completely cut off.

In the specific structure, the cutting part 2 further comprises an installation platform 26, and the installation platform 26 is arranged in the middle above the sampling mould 1 and is larger than the sampling mould 1; the slide rail 22 is arranged at the edge of the mounting table 26, and the cutting knife 211 is in an L shape which is bent after extending from the slide rail 22 to the sampling mold 1; the contact position of the belt wheel 23 and the synchronous belt 24 is higher than that of the slide rail 22, and the synchronous belt 24 is positioned above the slide rail 22; the clamping member 25 is positioned above the sliding block 213, and the structure is more compact, and the production, the manufacture and the use are convenient.

The sheet sampling device in this embodiment is particularly useful for PET to detect the sample from type membrane printing coating weight, and especially tetragonal pressfitting spare matches the demand to square sample in PET detects the sample from type membrane printing coating weight, can also solve its difficult problem that requires highly to the sample precision.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A sheet sampling device, comprising:

a sampling mold comprising a press part;

2. The sheet sampling device of claim 1, wherein the cutting assembly further comprises a rod and a slider, the slider being slidably coupled to the slide track, the rod coupling supporting the slider and the cutting blade.

3. The sheet material sampling device according to claim 2, wherein the cutting knife is a circular shape with a rotation hole in the middle, and the outer edge of the circular cutting knife is a knife edge; the rotating hole is connected with the supporting rod and can rotate by taking the supporting rod as a center.

4. The sheet sampling device of claim 3, wherein the post further comprises a spring and a support, the spring is connected to the cutter, and the support is connected to the spring and the slider; the spring pressing piece provides spring pressing force towards the pressing piece for the cutting knife.

5. The sheet sampling device of claim 4, wherein the spring press is a rod-shaped member having an overall spring force.

6. The sheet sampling device according to any one of claims 2 to 5, further comprising a plurality of pulleys, a timing belt and a clamping member, wherein the pulleys are distributed along the sliding rail, the timing belt is stretched on the rotating surface of the pulleys, and all the pulleys are synchronously rotated under the action of the timing belt; the clamping piece is clamped on the synchronous belt between the two belt wheels; and a plurality of cutting assemblies which are matched and connected with the clamping pieces are arranged, and the cutting assemblies are driven by the clamping pieces to slide.

7. The sheet sampling device of claim 6, wherein the rotational shaft of the at least one pulley is connected to a motor shaft to be driven by the motor.

8. The sheet sampling device according to claim 6, wherein the press-fitting member has a polygonal shape with N sides, and the cutting portion is provided with N matching positions corresponding to the N sides of the press-fitting member.

9. The sheet sampling device of claim 8, wherein the slide rail comprises N straight rails, each straight rail having a length greater than a side length of its corresponding press; the band pulley is N, and every band pulley is located the crossing department of per two slide rails.

10. The sheet sampling device of claim 6, wherein the cutting portion further comprises a mounting platform disposed in a middle upper portion of the sampling die and larger than the sampling die; the sliding rail is arranged at the edge of the mounting table, and the cutting knife is in an L shape which is bent after extending from the sliding rail to the sampling die; the contact position of the belt wheel and the synchronous belt is higher than the slide rail, and the synchronous belt is positioned above the slide rail; the clamping piece is positioned above the sliding block.