CN219551889U

CN219551889U - Sample cutting device

Info

Publication number: CN219551889U
Application number: CN202320204305.9U
Authority: CN
Inventors: 徐诚艾; 庞承焕; 李卫领; 吴博; 李建军; 陈平绪; 叶南飚; 宁红涛
Original assignee: Guogao High Polymer Material Industry Innovation Center Co Ltd
Current assignee: Guogao High Polymer Material Industry Innovation Center Co Ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-18
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to the technical field of sample cutting and discloses a sample cutting device, which comprises a placing table and a cutter, wherein the cutter is connected to a first driving module, the first driving module is arranged above the placing table and is used for driving the cutter to lift, a plurality of air pumping holes are formed in the top side of the placing table, an air pumping cavity is formed in the placing table, the air pumping holes are communicated with the air pumping cavity, and the air pumping cavity is connected with an air pumping pipe for pumping air; the sample cutting device further comprises a material pressing plate used for pressing the edge of the material to be sampled on the placing table, and the material pressing plate is arranged above the placing table and driven to lift by a second driving module; to the material that awaits measuring of thickness great or can warp limit, through the decline of second drive module drive pressure flitch to compress tightly the edge of waiting to take a sample the material and fix on placing the bench, stability when this kind of fixed mode can make the material fixed is good, is difficult for shifting when cutting, has guaranteed the quality of cutting of sample.

Description

Sample cutting device

Technical Field

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

Background

The material performance detection is generally carried out by a random sampling mode, during detection, firstly, a material individual is randomly extracted, then a sample with a preset shape is cut out from the material, and the performance of the material is reflected by detecting the performance of the sample; the device for cutting the sample is a sample cutting machine, a cutting knife is arranged on the sample cutting machine, and the sample cutting machine cuts a sample with a preset shape by driving the cutting knife to act.

In the prior art, a sample cutting machine such as the model number CN111571720A and the model number 2020.08.25 discloses a light soft material blanking device, which comprises a workbench and a cutting die which is arranged above the workbench and can move up and down relative to the workbench; the workbench comprises a table panel and at least one air extracting device; the table panel is provided with a first air suction hole in a penetrating manner, and the air suction device is communicated with the first air suction hole; the cutting die comprises a positioning piece, a mounting piece and a cutter, and the cutter is connected with the mounting piece; the positioning piece is connected with an electromagnet, and the installation piece is loosened or adsorbed by the on-off of the electromagnet; the first limiting part is arranged on the positioning piece, the second limiting part is arranged on the mounting piece and is used for being matched with the first limiting part so as to prevent the mounting piece from moving relative to the positioning piece along at least one direction perpendicular to the magnetic attraction direction.

According to the scheme of the light soft material blanking device, the material is adsorbed on the table panel through the air extracting device so as to realize the fixation of the material, and the light soft material blanking device is suitable for fixing the material with small thickness; however, for the materials with larger thickness or edge tilting, if the materials are simply adsorbed and fixed by an air extractor, the adsorption force is limited or the adsorption area is small, so that the stability of the materials is poor when the materials are adsorbed and fixed, the materials are easy to shift during cutting, and the cutting quality of the samples is influenced; if the shapes and the sizes of the samples in the same batch are inconsistent, the detection precision is affected; that is, the light soft material blanking device has poor fixing stability on materials with larger thickness or tilting edges, and influences the cutting quality of samples.

Disclosure of Invention

The purpose of the utility model is that: the sample cutting device has good fixing stability on materials with larger thickness or tilting edges, and can ensure the cutting quality of samples.

In order to achieve the above purpose, the utility model provides a sample cutting device, which comprises a placing table and a cutter, wherein the cutter is connected to a first driving module, the first driving module is arranged above the placing table and is used for driving the cutter to lift, a plurality of air pumping holes are formed in the top side of the placing table, an air pumping cavity is formed in the placing table, the air pumping holes are communicated with the air pumping cavity, and the air pumping cavity is connected with an air pumping pipe for pumping air;

the sample cutting device further comprises a material pressing plate used for pressing the edge of the material to be sampled on the placing table, and the material pressing plate is arranged above the placing table and driven to lift through a second driving module.

In a specific embodiment of the present utility model, the number of the second driving modules is the same as that of the pressing plates and the pressing plates are respectively arranged on two opposite sides of the placing table, and the second driving modules are in one-to-one correspondence with the pressing plates.

In a specific embodiment of the utility model, the device further comprises a guide rod for guiding the lifting of the pressing plate, and the pressing plate is connected to the guide rod in a sliding manner.

In a specific embodiment of the present utility model, the second driving module includes a mounting seat and a driving cylinder disposed on the mounting seat, and the pressing plate is connected with a power output end of the driving cylinder.

In a specific embodiment of the utility model, the mounting base is connected to the side of the placement table; the guide rods are two guide rods which are arranged at intervals and are connected to the mounting seat, and the driving air cylinder is located between the two guide rods.

In a specific embodiment of the present utility model, the first driving module includes an electromagnetic chuck and a first driving source for driving the electromagnetic chuck to lift;

the electromagnetic chuck is connected with the cutter in a magnetic attraction mode so as to fix the cutter.

In a specific embodiment of the utility model, the cutter comprises a cutter body and a cutting through hole arranged on the cutter body for cutting a sample;

the sample cutting device also comprises a thimble and a second driving source connected with the thimble; the electromagnetic chuck is provided with a channel corresponding to the cutting through hole, the ejector pin is arranged in the channel, and the second driving source is used for driving the ejector pin to extend out of the channel so that the ejector pin ejects out a sample in the cutting through hole.

In a specific embodiment of the present utility model, the number of the cutting through holes is plural.

Compared with the prior art, the sample cutting device has the beneficial effects that:

according to the sample cutting device, the placing table is used for placing materials to be sampled, and the first driving module is used for driving the cutter to lift so as to complete the cutting work of samples; for the material to be sampled with smaller thickness, the suction pipe is used for sucking air to enable the suction hole to generate adsorption force, so that the material to be sampled is adsorbed and fixed on the placing table; and to the material that waits to take a sample of thickness great or can warp limit, then descend through second drive module drive pressure flitch to compress tightly the edge of the material that waits to take a sample and fix placing the bench, the material that waits to take a sample of the great or can warp limit of fixed thickness of this mode, stability when the material is fixed is good, is difficult for shifting when cutting, has guaranteed the quality of cutting of sample.

Drawings

FIG. 1 is a block diagram of a sample cutting device according to an embodiment of the present utility model;

FIG. 2 is a block diagram of an electromagnetic chuck mated with a thimble according to an embodiment of the present utility model;

fig. 3 is a block diagram of a cutter according to an embodiment of the present utility model.

In the figure, 1, a placing table; 11. an air suction hole; 2. a cutter; 21. a cutter body; 22. cutting the through hole; 3. a first driving module; 31. an electromagnetic chuck; 4. a pressing plate; 5. a second driving module; 51. a mounting base; 52. a driving cylinder; 6. a guide rod; 7. a thimble; A. and (5) an exhaust pipe.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, a sample cutting device according to a preferred embodiment of the present utility model includes a placement table 1 and a cutter 2, the cutter 2 is connected to a first driving module 3, the first driving module 3 is disposed above the placement table 1 and is used for driving the cutter 2 to lift, a plurality of air suction holes 11 are disposed on a top side of the placement table 1, an air suction cavity is disposed in the placement table 1, the air suction holes 11 are communicated with the air suction cavity, and the air suction cavity is connected with an external air suction system through an air suction pipe a;

the sample cutting device further comprises a material pressing plate 4 for pressing the edge of the material to be sampled on the placing table 1, wherein the material pressing plate 4 is arranged above the placing table 1 and driven to lift by a second driving module 5;

the sample cutting device comprises a placing table 1 for placing a material to be sampled, and a first driving module 3 for driving a cutter 2 to lift so as to complete the cutting work of a sample; for the material to be sampled with smaller thickness, the suction pipe A is used for sucking air to enable the suction hole 11 to generate adsorption force, so that the material to be sampled is adsorbed and fixed on the placing table 1; the second driving module 5 drives the pressing plate 4 to descend so as to press and fix the edge of the material to be sampled on the placing table 1, the material to be sampled with larger thickness or with tilted edges is fixed in the mode, the stability of the material is high when the material is fixed, the material is not easy to shift when cut, and the cutting quality of the sample is ensured;

specifically, the pressing plate 4 is disposed at a side of the first driving module 3, so as to avoid interference between the pressing plate 4 and the cutter 2.

In some embodiments, the pressing plates 4 are two pressing plates respectively arranged at two opposite sides of the placing table 1, the second driving modules 5 are the same as the pressing plates 4 in number and in one-to-one correspondence, and the single second driving module 5 drives the single pressing plate 4 to lift, so that the two opposite sides of the material to be sampled are pressed by the two pressing plates 4 which are oppositely arranged to press and fix the material to be sampled on the placing table 1;

in other embodiments, the material pressing plate 4 may be one of annular structures, which is a square annular structure or a circular annular structure for pressing edges of materials, and the materials to be sampled may be pressed and fixed on the placing table 1, where the cutter 2 cuts the materials located inside the material pressing plate 4 to obtain samples;

in other embodiments, the number of the pressing plates 4 may be three or four, or the materials to be sampled may be pressed and fixed on the placing table 1, and at this time, the cutter 2 cuts the materials located between the pressing plates 4 to obtain the samples.

In some embodiments, the lifting device further comprises a guide rod 6, the length direction of the guide rod is parallel to the lifting direction of the pressing plate 4, the pressing plate 4 is horizontally arranged, the guide rod 6 is perpendicular to the pressing plate 4, the pressing plate 4 is slidably connected to the guide rod 6, and the guide rod 6 is used for guiding the pressing plate 4 to lift, so that the lifting operation is guaranteed to be normally performed.

Further, the second driving module 5 includes a mounting seat 51 and a driving cylinder 52 disposed on the mounting seat 51, and the pressing plate 4 is connected with a power output end of the driving cylinder 52, that is, the driving cylinder 52 drives the pressing plate 4 to lift, so as to implement the pressing work of the material; the driving cylinder 52 is connected with an external air compressor through an air pipe.

In some embodiments, the driving device for driving the pressing plate 4 to lift is an electric cylinder; or a motor screw rod lifting assembly.

Further, the mount 51 is attached to a side surface of the placement stage 1; the guide rods 6 are two guide rods 6 which are arranged at intervals and are connected to the mounting seat 51, and the driving cylinder 52 is positioned between the two guide rods 6;

in the initial state, the piston rod of the driving cylinder 52 extends out, and a placing space is formed between the pressing plate 4 and the placing table 1 for placing the material on the placing table 1; when the material needs to be compacted, the piston rod of the driving cylinder 52 is retracted, so that the material pressing plate 4 is lowered, and the material is compacted on the placement table 1.

In other embodiments, the mounting seat 51 is disposed above the placement table 1; in the initial state, the piston rod of the driving cylinder 52 is retracted, so that a placing space is formed between the pressing plate 4 and the placing table 1; when the material needs to be compacted, the piston rod of the driving cylinder 52 extends out to enable the material pressing plate 4 to descend, so that the material is compacted on the placing table 1.

In some embodiments, the first driving module 3 includes an electromagnetic chuck 31 and a first driving source (not shown in the figures) for driving the electromagnetic chuck 31 to lift; the first driving source can be an air cylinder, an electric cylinder, a hydraulic cylinder or a motor screw rod lifting assembly;

the electromagnetic chuck 31 is connected with the cutter 2 in a magnetic attraction manner so as to fix the cutter 2; specifically, the cutter 2 is made of a material capable of being magnetically attracted, and the electromagnetic chuck 31 is electrified to generate an attraction force so as to fix the cutter 2; when the cutter 2 needs to be taken down, the electromagnetic chuck 31 is only required to be powered off; the cutter 2 is fixed in such a way, and the cutter is simple in structure, convenient to assemble and disassemble and high in efficiency.

In some embodiments, the cutter 2 includes a cutter body 21 and a cutting through hole 22 provided on the cutter body 21 for cutting a sample;

the sample cutting device also comprises a thimble 7 and a second driving source (not shown in the figure) connected with the thimble 7; the electromagnetic chuck 31 is provided with a channel corresponding to the cutting through hole 22, the thimble 7 is arranged in the channel, and the second driving source is used for driving the thimble 7 to extend out of the channel, so that the thimble 7 ejects the sample in the cutting through hole 22, the sample is not required to be manually taken out from the cutting through hole 22, and the sample is prevented from being cut by the cutting through hole 22 when the sample is taken out;

the thimble 7 is positioned in the channel in a normal state, so that interference with the cutting work of the cutter 2 is avoided; when the sample is required to be taken out from the cutting through hole 22, the second driving source drives the thimble 7 to extend out of the channel;

the thimble 7 is made of a material which is not magnetically attracted, such as a rubber material, and the thimble 7 made of the rubber material can avoid damaging the surface quality of a sample;

the second driving source can be an air cylinder, an electric cylinder, a hydraulic cylinder or a motor screw rod lifting assembly.

In some embodiments, the number of the cutting through holes 22 is multiple, so that the cutter 2 can cut more samples at a time, cutting efficiency is improved, and meanwhile, the performance of a single material is judged by detecting multiple samples, so that the accuracy and stability of performance detection can be ensured;

specifically, one cutting through hole 22 corresponds to one thimble 7, or two thimbles 7, or a plurality of thimbles 7, which are set according to practical application;

in practical application, the cutter 2 is mounted on the electromagnetic chuck 31 by manual operation, and the cutting through hole 22 corresponds to a channel on the electromagnetic chuck 31 during mounting.

Further, the first driving source is a motor screw rod lifting assembly, the second driving source is an electric cylinder, the sample cutting device further comprises a control module, a control button, a first electromagnetic valve connected to the exhaust pipe A and a second electromagnetic valve matched with the driving cylinder 52, the control button is multiple, and the control button, the first driving source, the second driving source, the electromagnetic chuck 31, the first electromagnetic valve and the second electromagnetic valve are all electrically connected with the control module; different control buttons give out different control signals, and the control signals given by a single control button enable the control module to control one of the first driving source, the second driving source, the electromagnetic chuck 31, the first electromagnetic valve and the second electromagnetic valve to work so that the sample cutting device can complete sample cutting work.

The sample cutting device comprises a machine base and a control cabinet arranged on the machine base, the control module is arranged in the control cabinet, and the control button is arranged on the machine base and is positioned above the placing table 1 so as to facilitate the operator to control the sample cutting work;

the first driving source is also arranged on the stand and above the placing table 1.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The sample cutting device comprises a placing table and a cutter, wherein the cutter is connected to a first driving module, the first driving module is arranged above the placing table and used for driving the cutter to lift, and the sample cutting device is characterized in that a plurality of air suction holes are formed in the top side of the placing table, an air suction cavity is formed in the placing table, the air suction holes are communicated with the air suction cavity, and the air suction cavity is connected with an air suction pipe used for air suction;

2. The sample cutting device according to claim 1, wherein the pressing plates are respectively arranged on two opposite sides of the placing table, and the second driving modules are the same in number and in one-to-one correspondence with the pressing plates.

3. The sample cutting device of claim 2, further comprising a guide bar for guiding the lifting of the platen, the platen being slidably coupled to the guide bar.

4. The sample cutting device according to claim 3, wherein the second driving module comprises a mounting seat and a driving cylinder arranged on the mounting seat, and the material pressing plate is connected with a power output end of the driving cylinder.

5. The sample cutting device of claim 4, wherein the mounting base is attached to a side of the placement stage; the guide rods are two guide rods which are arranged at intervals and are connected to the mounting seat, and the driving air cylinder is located between the two guide rods.

6. The sample cutting device according to claim 1, wherein the first driving module comprises an electromagnetic chuck and a first driving source for driving the electromagnetic chuck to lift;

7. The sample cutting device according to claim 6, wherein the cutter comprises a cutter body and a cutting through hole provided on the cutter body for cutting the sample;

8. The sample cutting device of claim 7, wherein the plurality of cutting through holes.