CN213005547U - Portable standard sample cutting equipment for chemical experiments - Google Patents
Portable standard sample cutting equipment for chemical experiments Download PDFInfo
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- CN213005547U CN213005547U CN202021532616.0U CN202021532616U CN213005547U CN 213005547 U CN213005547 U CN 213005547U CN 202021532616 U CN202021532616 U CN 202021532616U CN 213005547 U CN213005547 U CN 213005547U
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- lead screw
- blade
- base
- cut
- cutter
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Abstract
The utility model belongs to the technical field of chemical detection tools, and discloses a portable standard sample cutting device for chemical experiments, which comprises a base and a cutting mechanism arranged above the base and used for cutting samples, wherein the cutting mechanism comprises a first lead screw, a second lead screw and a cutter component; the two ends of a first lead screw and a second lead screw which are arranged in parallel on the same horizontal plane are rotatably connected with the base; the cut-off knife subassembly includes with first lead screw thread fit, with the first cut-off knife subassembly of second lead screw clearance fit to and with first lead screw clearance fit, with the second cut-off knife subassembly of second lead screw thread fit. The utility model discloses simple structure, design benefit, small and portable can cut into the section of different standard sizes with the sample. The utility model is suitable for an among the chemistry detects for cut the sample.
Description
Technical Field
The utility model belongs to the technical field of chemistry detects the apparatus, a sample cutting equipment is related to, and specifically speaking is a kind equipment is cut out to portable standard for chemistry experiments.
Background
In the chemical detection experiments, samples are often required to be cut, and GB 6675.4-2014 migration of characteristic elements of the fourth part of toy safety, GB/T9758.1-1988 determination of the "soluble" metal content of paints and varnishes, part 1: determination of lead content by flame atomic absorption spectrometry and dithizone spectrophotometry, GB/T9758.4-1988 determination of the "soluble" metal content in paints and varnishes part 4: in standard documents such as the flame atomic absorption spectrometry and polarography for cadmium determination, samples are required to be cut into specified standard sizes, and introduction of external pollution is avoided as much as possible.
At present, scissors or a sample cutting device is generally adopted to cut and sample an article to be detected, but the following problems can be caused: firstly, when the object to be detected is cut and sampled by scissors, the object to be detected is difficult to cut into a sample with a standard size, and the section of the obtained sample is often uneven, so that the accuracy of a chemical detection result is influenced to a certain extent; the sample cutting device is used for cutting and sampling articles to be detected, and although a standard sample can be obtained, the existing sample cutting device is complex in structure, large in size and not easy to carry, can only be installed and placed in a laboratory, and is difficult to sample the articles on site.
Disclosure of Invention
For solving exist among the prior art more than not enough, the utility model aims at providing a kind equipment is cut out to portable standard for chemistry experiments to guarantee to wait that the volume of equipment is littleer, change in carrying under the prerequisite that detects article and cut into appointed size fast, clean, standard.
In order to achieve the above object, the utility model adopts the following technical scheme: a portable standard sample cutting device for chemical experiments comprises a base and a cutting mechanism arranged above the base and used for cutting samples, wherein the cutting mechanism comprises a first lead screw, a second lead screw and a cutter assembly; the two ends of a first lead screw and a second lead screw which are arranged in parallel on the same horizontal plane are rotatably connected with the base;
the cut-off knife subassembly includes with first lead screw thread fit, with the first cut-off knife subassembly of second lead screw clearance fit to and with first lead screw clearance fit, with the second cut-off knife subassembly of second lead screw thread fit.
As a limitation of the utility model, the first cutter component comprises a first cutter passing plate and a first blade fixing frame hinged with one end of the first cutter passing plate; one end of the first cutter passing plate is in threaded fit with the first lead screw, and the other end of the first cutter passing plate is in clearance fit with the second lead screw;
the second cutter assembly comprises a second cutter passing plate and a second blade fixing frame hinged with one end of the second cutter passing plate; one end of the second cutter passing plate is in clearance fit with the first lead screw, and the other end of the second cutter passing plate is in threaded fit with the second lead screw;
the first blade fixing frame and the second blade fixing frame are detachably provided with blades, and the first blade passing plate and the second blade passing plate are both provided with blade passing grooves.
As a further limitation of the utility model, the first blade fixing frame and the second blade fixing frame are both provided with blade shells with the width larger than the cutter passing groove; the blade shell is movably connected to the blade fixing frame through a plurality of springs, the blade shell can completely cover the blade, and a through groove for the blade to extend out is further formed in the bottom end of the blade shell.
As another limitation of the present invention, a backing plate for placing a sample is detachably disposed on the base; the backing plate is made of rubber or polytetrafluoroethylene.
As a further limitation of the utility model, spring compression mechanisms for fixing the backing plate are fixedly arranged at the two ends of the base; the spring compression mechanism comprises a limiting block for fixing the base plate and a pressure spring fixedly arranged above the limiting block; one end of the limiting block is arranged in the fixing groove of the side wall of the base, and the limiting block can move up and down in the vertical direction along the fixing groove.
As a further limitation of the present invention, a rotary button for respectively controlling the rotation of the first lead screw and the second lead screw is further arranged on the side wall of the base, and a scale value is arranged on the rotary button; the scale value is used for displaying the fixed position of the cutter assembly above the base.
As the utility model discloses a further injectd, the four corners of base bottom surface all has set firmly the rubber suction cup.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
(1) the utility model discloses a first lead screw and second lead screw are fixed the cut-off knife subassembly in the base top to rotate first lead screw or second lead screw alright the first cut-off knife subassembly of corresponding adjustment or the fixed position of second cut-off knife subassembly in the base top, make first cut-off knife subassembly and second cut-off knife subassembly interval between the two nimble controllable, can cut into the section of regulation size with waiting to detect the sample according to the demand, whole section process is simple swift, be difficult for receiving the pollution, and the section sample that obtains is clean, the standard, thereby improve the accuracy of chemical detection result.
(2) The knife passing plate arranged in the cutter component of the utility model has the advantages that on one hand, when the blade moves downwards, the blade needs to pass through the knife passing groove on the knife passing plate to cut a sample, so that the blade can be ensured to be in a vertical state, the blade is prevented from being deviated, and the cut surface of the obtained sliced sample is smoother; on the other hand, when the blade is reset after cutting, the blade passing plate can block a sample attached to the blade, so that the sample is prevented from moving upwards along with the blade, and the cleanness of the blade is guaranteed.
(3) The utility model provides a blade detachable fixes on the blade mount, after the blade damages suddenly or wearing and tearing are serious, can be convenient change the blade.
(4) The blade shell sleeve arranged in the utility model can correspondingly protect the blade, and on one hand, the blade can be prevented from colliding with foreign objects and being damaged; on the other hand, when the equipment is carried, the blade is hidden in the blade shell sleeve, so that the blade can be prevented from being scratched by mistakenly touching the blade by personnel, and the safety of the equipment is improved.
(5) The backing plate arranged in the utility model is convenient for discharging or taking out the sample from the device, the whole process can ensure that the sample is not contacted with foreign objects, and the possibility of sample pollution is reduced; and the backing plate is made of rubber or polytetrafluoroethylene materials, so that the abrasion to the blade in the cutting process can be reduced, and the service life of the blade is prolonged.
(6) The utility model discloses a spring compression mechanism fixes the backing plate at the base upper surface, under the prerequisite that does not influence backing plate convenient to detach, makes the fixed of backing plate on the base more firm to prevent to cut in-process backing plate and take place the offset because of the atress and influence cutting to the sample.
(7) The rotary button arranged on the side wall of the base can conveniently rotate the first lead screw and the second lead screw, so as to adjust the position of the first cut-off knife component or the second cut-off knife component; and the scale value that sets up on the rotary button can be more accurate again to the position of first cut-off knife subassembly and second cut-off knife subassembly control to guarantee to obtain the section sample of standard size.
(8) The utility model discloses the lower surface of well base is provided with rubber suction cup, can make placing of equipment more stable.
To sum up, the utility model discloses simple structure, design benefit, small and portable can cut into the section of different standard sizes with the sample.
The utility model is suitable for an among the chemistry detects for cut the sample.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a blade shell according to an embodiment of the present invention;
in the figure: 1. a base; 2. a base plate; 3. a limiting block; 4. a pressure spring; 5. fixing grooves; 6. a first lead screw; 7. a second lead screw; 8. a first knife passing plate; 9. a first blade mount; 10. a second knife passing plate; 11. a second blade mount; 12. a tool passing groove; 13. rotating the button; 14. a blade shell; 15. a blade; 16. a spring.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment is a kind equipment is cut out to portable standard for chemistry experiments
As shown in fig. 1 to 2, the present embodiment mainly includes a base 1 and a cutting mechanism disposed above the base 1 for cutting samples, the device can rapidly and cleanly cut the object to be detected into sliced samples of standard size, and the device has a simple overall structure, a small size and is easy to carry.
A base 1
The base 1 is arranged on a horizontal plane and correspondingly supports other structures. As shown in figure 1, two sides of the base 1 vertically extend upwards to form side walls of the base 1, a part of the middle of the base 1 is recessed downwards, and a backing plate 2 used for placing an article to be detected is detachably arranged in the recess. The backing plate 2 is fixed on the base 1 through the spring compression mechanism, and in order to ensure the stability of the backing plate 2 fixed on the base 1 during use, the two sides of the base 1 are respectively and fixedly provided with the spring compression mechanism.
Every spring compression mechanism all includes stopper 3 and the fixed pressure spring 4 that sets up in stopper 3 top that contacts with backing plate 2, and after stopper 3 upwards removed, pressure spring 4 can rely on the elastic deformation power of self to make stopper 3 in time reset, and then carries out corresponding fixed to backing plate 2. Wherein, be provided with a vertical fixed slot 5 on two lateral walls of base 1 respectively, the one end of stopper 3 sets up in the fixed slot 5 of base 1 lateral wall to pass fixed slot 5 and extend to the opposite side of lateral wall, and then just can control stopper 3 and reciprocate in the vertical direction along fixed slot 5 in the outside of lateral wall.
In order to reduce the wear on the blade 15 during cutting, the backing plate 2 is made of rubber or teflon, and the backing plate 2 in this embodiment is made of teflon. In order to make the fixing of the base 1 on the horizontal plane more stable, a rubber sucker is fixed at each of four corners of the bottom surface of the base 1.
Second, cut the organization
The cutting mechanism is used for cutting the articles placed on the backing plate 2 to form a slice sample with a standard size. As shown in fig. 1, the cutting mechanism includes a first lead screw 6 and a second lead screw 7 which are erected on the base 1 and arranged in parallel on the same horizontal plane, and a cutter assembly which is fixed by the first lead screw 6 and the second lead screw 7. The two ends of the first lead screw 6 and the second lead screw 7 are respectively connected with the two side walls of the base 1 in a rotating manner, so that the first lead screw 6 and the second lead screw 7 can rotate correspondingly.
The cutter assembly comprises a first cutter assembly and a second cutter assembly, wherein the first cutter assembly comprises a first cutter plate 8 and a first blade fixing frame 9, one end of the first cutter plate is hinged to the first cutter plate 8, one end of the first cutter plate 8 is in threaded fit with the first lead screw 6, and the other end of the first cutter plate is in clearance fit with the second lead screw 7. That is, the fixing position of the first cutter unit can be adjusted by rotating the first lead screw 6. Correspondingly, the second cut-off knife assembly comprises a second passing knife board 10 and a second blade fixing frame 11, one end of the second passing knife board is hinged to the second passing knife board 10, one end of the second passing knife board 10 is in clearance fit with the first lead screw 6, and the other end of the second passing knife board is in threaded fit with the second lead screw 7. That is, the fixing position of the second cutter unit can be adjusted by rotating the second lead screw 7.
In fact, when the device is in actual use, the position of the first cutter assembly and the position of the second cutter assembly can be adjusted within a certain range, and the first screw rod 6 and the second screw rod 7 cannot move by a large margin, so that the first screw rod and the second screw rod are both provided with a threaded section and a smooth section. The method specifically comprises the following steps: the part where the first lead screw 6 is connected with the first cutter component is a threaded section, the part where the first lead screw 6 is connected with the second cutter component is a smooth section, and a rolling bearing is arranged between the first lead screw 6 and the second cutter component in the smooth section, so that the second cutter component can move on the first lead screw 6 conveniently; the part that second lead screw 7 and second cut-off knife subassembly are connected is the screw thread section, and the part that second lead screw 7 and first cut-off knife subassembly are connected is smooth section, and is provided with antifriction bearing between smooth section second lead screw 7 and first cut-off knife subassembly to be convenient for the removal of first cut-off knife subassembly on second lead screw 7. In this embodiment, the lengths of the threaded section and the smooth end of the first lead screw 6 and the second lead screw 7 are equal and are half of the lengths of the first lead screw 6 and the second lead screw 7.
On one of them lateral wall of base 1, still be provided with two and control first lead screw 6 and second lead screw 7 pivoted rotary button 13 respectively, be equipped with the scale interval on the rotary button 13 for show the fixed position of cut-off knife subassembly on the lead screw, control the distance between first cut-off knife subassembly and the second cut-off knife subassembly with the accuracy.
The first blade holder 9 and the second blade holder 11 are both detachably provided with blades 15, and at the position of the fixed blade 15, a blade shell 14 for protecting the blades 15 is further provided. As shown in fig. 2, the blade housing 14 is movably attached to the blade holder by a plurality of springs 16, and the blade housing 14 is capable of completely housing the blade 15. The bottom end of the blade shell 14 is also provided with a through groove for the blade 15 to extend out, and the blade 15 can smoothly extend out by matching with the blade passing grooves 12 arranged on the first blade passing plate 8 and the second blade passing plate 10, so that the to-be-detected object on the backing plate 2 is cut.
The specific working process is as follows:
firstly, according to the size of a sliced sample to be obtained, a first lead screw 6 and a second lead screw 7 are respectively rotated through two rotary buttons 13, so that the positions of a first blade fixing frame 9 and a second blade fixing frame 11 are adjusted, and the distance between two blades is just the size of the sliced sample to be obtained; then the limiting block 3 is lifted, the backing plate 2 is taken down from the base 1, and the backing plate 2 is put on the base 1 after a sample is put on the backing plate 2; then, the blade fixing frame is pressed downwards, in the descending process, the blade passing plate (namely the general name of the first blade passing plate 8 and the second blade passing plate 10) stops the blade shell 14 on the blade fixing frame (namely the general name of the first blade fixing frame 9 and the second blade fixing frame 11), so that the blade shell 14 and the blade fixing frame are displaced relatively, and the blade 15 extends out of the blade shell 14 and penetrates through the blade passing groove 12 on the blade passing plate, and finally the cutting of a sample is realized; after cutting, the blade fixing frame is reset, the blade shell 14 is automatically reset through the spring 16, the blade 15 is covered again, and the blade 15 is protected; finally, the backing plate 2 is removed from the base 1 to obtain a standard-sized sliced sample.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a appearance equipment is cut out to portable standard for chemistry experiments, includes the base and locates the base top and be used for cutting the mechanism that cuts of sample, its characterized in that: the cutting mechanism comprises a first lead screw, a second lead screw and a cutter assembly; the two ends of a first lead screw and a second lead screw which are arranged in parallel on the same horizontal plane are rotatably connected with the base;
the cut-off knife subassembly includes with first lead screw thread fit, with the first cut-off knife subassembly of second lead screw clearance fit to and with first lead screw clearance fit, with the second cut-off knife subassembly of second lead screw thread fit.
2. The portable standard specimen-cutting device for chemical experiments according to claim 1, characterized in that: the first cutter assembly comprises a first cutter passing plate and a first blade fixing frame hinged with one end of the first cutter passing plate; one end of the first cutter passing plate is in threaded fit with the first lead screw, and the other end of the first cutter passing plate is in clearance fit with the second lead screw;
the second cutter assembly comprises a second cutter passing plate and a second blade fixing frame hinged with one end of the second cutter passing plate; one end of the second cutter passing plate is in clearance fit with the first lead screw, and the other end of the second cutter passing plate is in threaded fit with the second lead screw;
blades are detachably arranged on the first blade fixing frame and the second blade fixing frame; the first knife passing plate and the second knife passing plate are both provided with knife passing grooves.
3. The portable standard specimen-cutting device for chemical experiments according to claim 2, characterized in that: blade shells with the width larger than the cutter passing groove are arranged on the first blade fixing frame and the second blade fixing frame; the blade shell is movably connected to the blade fixing frame through a plurality of springs, the blade shell can completely cover the blade, and a through groove for the blade to extend out is further formed in the bottom end of the blade shell.
4. A portable standard cutting apparatus for chemical experiments according to any one of claims 1 to 3, characterized in that: a base plate for placing a sample is detachably arranged on the base; the backing plate is made of rubber or polytetrafluoroethylene.
5. The portable standard specimen-cutting device for chemical experiments according to claim 4, characterized in that: the two ends of the base are also fixedly provided with spring compression mechanisms for fixing the backing plate; the spring compression mechanism comprises a limiting block for fixing the base plate and a pressure spring fixedly arranged above the limiting block; one end of the limiting block is arranged in the fixing groove of the side wall of the base, and the limiting block can move up and down in the vertical direction along the fixing groove.
6. The portable standard specimen-cutting device for chemical experiments according to claim 5, characterized in that: the side wall of the base is also provided with a rotary button used for respectively controlling the first lead screw and the second lead screw to rotate, and the rotary button is provided with a scale value; the scale value is used for displaying the fixed position of the cutter assembly above the base.
7. The portable standard specimen-cutting device for chemical experiments according to claim 6, characterized in that: four corners of the bottom surface of the base are respectively and fixedly provided with a rubber sucker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532616.0U CN213005547U (en) | 2020-07-29 | 2020-07-29 | Portable standard sample cutting equipment for chemical experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532616.0U CN213005547U (en) | 2020-07-29 | 2020-07-29 | Portable standard sample cutting equipment for chemical experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213005547U true CN213005547U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021532616.0U Expired - Fee Related CN213005547U (en) | 2020-07-29 | 2020-07-29 | Portable standard sample cutting equipment for chemical experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213005547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290603A (en) * | 2021-05-18 | 2021-08-24 | 福州外语外贸学院 | Cutting device with measuring function for accounting |
-
2020
- 2020-07-29 CN CN202021532616.0U patent/CN213005547U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290603A (en) * | 2021-05-18 | 2021-08-24 | 福州外语外贸学院 | Cutting device with measuring function for accounting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 Termination date: 20210729 |