CN211285009U

CN211285009U - Circular filter paper shearing mechanism

Info

Publication number: CN211285009U
Application number: CN201921845540.4U
Authority: CN
Inventors: 李俊辉; 陈浩; 周晓磊; 贺献华
Original assignee: Henan Political Inspection And Testing Research Institute Co ltd
Current assignee: Henan Political Inspection And Testing Research Institute Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-18
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a circular filter paper shearing mechanism, include cutter, bottom plate and the clamp plate that is located the bottom plate top, the top of clamp plate is equipped with slewing mechanism, the last support that is used for of slewing mechanism the supporting mechanism and the measuring mechanism of cutter, the utility model discloses bottom plate and clamp plate adopt the magnetism material, flatten the filter paper that needs to be cuted, appear the phenomenon of corrugating when avoiding cuting, the setting of scale interval and sliding seat, the different positions of the adjustment cutter of being convenient for to cut not unidimensional filter paper, the rotatable setting of supporting mechanism, the rotation of the cutter of being convenient for, thereby cut out circular filter paper, easy operation cuts efficiently, improves experimenter's work efficiency.

Description

Circular filter paper shearing mechanism

Technical Field

The utility model relates to a test tool technical field, concretely relates to circular filter paper shearing mechanism.

Background

The filter paper is a filter tool commonly used in a chemical laboratory, is usually round in shape and is mostly made of cotton fibers, can be generally classified into qualitative and quantitative filter paper, and can be used for calculating the loss rate in the experimental process when inorganic compounds are filtered to separate precipitates in the application of analytical chemistry and then residues on the filter paper are collected; the qualitative filter paper is filtered to generate more cotton fibers, so that the qualitative filter paper is only suitable for qualitative analysis; when doing the experiment of water suspended solid in the laboratory, the filter paper size that uses can be different, need cut into the less filter paper of diameter with big filter paper sometimes, but the operation of cutting out the filter paper of suitable size is more troublesome, need not consider filter paper diameter size, need consider the filter paper radian again, and the method of the filter paper is exactly with the scissors to the conventional method of cutting filter paper in laboratory, but the filter paper shape that the scissors was cuted is out of round, wastes testing personnel's operating time simultaneously, influences work efficiency.

Therefore, it is a considerable problem to provide a circular filter paper cutting apparatus which can cut circular filter paper with accurate size and circular shape.

Disclosure of Invention

The utility model aims at providing a shearing size is accurate, and can cut the circular filter paper shearing mechanism of unidimensional not, the not enough of above-mentioned prior art.

The purpose of the utility model is realized like this:

a circular filter paper shearing device comprises a cutter, a bottom plate and a pressing plate located above the bottom plate, wherein a rotating mechanism is arranged above the pressing plate, a supporting mechanism and a measuring mechanism which are used for supporting the cutter are arranged on the rotating mechanism, the supporting mechanism comprises a cross rod connected with the top of the rotating mechanism, a sliding mechanism which is located on the cross rod and slides along the length direction of the cross rod, and a connecting rod connected with the sliding mechanism, the cutter is fixedly connected with the bottom of the connecting rod, the measuring mechanism comprises a graduated scale which is located below the cross rod and is movably connected with the sliding mechanism, the rotating mechanism comprises a base located on the pressing plate, a first supporting rod fixedly connected with the upper surface of the base, a bearing fixedly connected with the inner wall surface of the top of the first supporting rod, and a second supporting rod fixedly connected with the inner wall of the bearing, the second support rod rotates 360 degrees.

The cutting knife is provided with two cutters, a first sleeve is arranged in the middle of the cross rod and fixedly connected with the second supporting rod, a second sleeve is arranged in the middle of the graduated scale and fixedly connected with the second supporting rod, and the two cutters slide on two sides of the rotating mechanism through the connecting rod and the sliding mechanism.

The sliding mechanism comprises a first clamping sleeve arranged on the cross rod in a sleeved mode, a connecting plate fixedly connected with the lower surface of the first clamping sleeve, and a second clamping sleeve fixedly connected with the bottom of the connecting plate, the second clamping sleeve is arranged on the outer surface of the graduated scale and moves along the length direction of the graduated scale, the connecting rod is fixedly connected with the bottom of the second clamping sleeve, and the cutter is fixedly connected with the bottom of the connecting rod.

The left and right sides of first cutting ferrule is equipped with the first set nut that plays fixed action, the surface of horizontal pole is equipped with the screw thread, first set nut with horizontal pole threaded connection, the upper surface of horizontal pole is equipped with the handle.

The upper surface of clamp plate is equipped with the fixture block, the lower surface of base be equipped with fixture block complex draw-in groove, bottom plate and clamp plate all adopt the magnetism material.

The middle part of horizontal pole is equipped with first sleeve, first sleeve cover is established the second bracing piece is outside and follow the length direction of second bracing piece removes, the middle part of scale is equipped with the second sleeve, the second sleeve is established the second bracing piece is outside and follow the length direction of second bracing piece removes, be equipped with on the second bracing piece and be used for fixing first telescopic positioning mechanism.

The positioning mechanism comprises second positioning nuts positioned above and below the first sleeve, threads are arranged on the outer surface of the second supporting rod, and the second positioning nuts are in threaded connection with the second supporting rod.

The cutter includes the blade, is located the dead lever at blade top and is located first fixed orifices on the lateral wall of dead lever, the bottom of connecting rod is equipped with and is used for placing the recess of dead lever, be equipped with the second fixed orifices on the recess lateral wall, the dead lever with bolt fixed connection is passed through to the connecting rod bottom.

The utility model has the advantages that: the utility model discloses bottom plate and clamp plate adopt the magnetism material, flatten the filter paper that needs the shearing, appear the phenomenon of wrinkling when avoiding cuting, and the different positions of the adjustment cutter of being convenient for are convenient for to the not unidimensional filter paper of shearing, the rotatable setting of supporting mechanism, the rotation of the cutter of being convenient for, thereby cut out circular filter paper, easy operation, it is efficient to cut, improves experimenter's work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of the base taken along line A-A;

FIG. 3 is a cross-sectional view of the platen in the A-A direction;

FIG. 4 is a cross-sectional view of the sliding seat in the direction B-B;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a cutter in embodiment 2 of the present invention;

in the figure: the cutting device comprises a bottom plate 1, a pressing plate 2, a base 3, a first supporting rod 4, a bearing 5, a second supporting rod 6, a cross rod 7, a scale interval 8, a connecting rod 9, a cutter 10, a sliding mechanism 11, a first positioning nut 12, a first sleeve 13, a second sleeve 14, a handle 15, a clamping groove 16, a clamping block 17, a first clamping sleeve 18, a second clamping sleeve 19, a connecting plate 20, a second positioning nut 21, a blade 22, a fixing rod 23 and a first fixing hole 24.

Detailed Description

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

Example 1:

as shown in fig. 1 to 4, a circular filter paper shearing apparatus comprises a cutter 10, a bottom plate 1 and a pressing plate 2 located above the bottom plate 1, wherein the bottom plate 1 and the pressing plate 2 are both made of magnetic materials, and the magnetic pole of the magnetic material of the bottom plate 1 and the magnetic pole of the magnetic material of the pressing plate 2 are different magnetic poles, so that the bottom plate 1 and the pressing plate 2 attract each other, the filter paper to be sheared is placed between the bottom plate 1 and the pressing plate 2, and the phenomenon of filter paper wrinkling during shearing is avoided, a rotating mechanism is arranged above the pressing plate 2, the rotating mechanism comprises a base 3 located on the pressing plate 2, a first supporting rod 4 fixedly connected with the upper surface of the base 3, a bearing 5 fixedly connected with the inner wall surface of the top of the first supporting rod 4, and a second supporting rod 6 fixedly connected with the inner wall of the bearing 5, a mounting groove is arranged at the bottom of the first supporting rod 5, and the bearing 5, the outer wall of bearing 5 and the internal face welding of mounting groove, the surface and the 5 internal weld of bearing of second bracing piece 6, second bracing piece 6 uses bearing 5 to carry out 360 rotations as the fulcrum, drives supporting mechanism and rotates, and first bracing piece 4 and base 3 do not rotate, the upper surface of clamp plate 2 is equipped with fixture block 17, the lower surface of base 3 be equipped with fixture block 17 complex draw-in groove 16, draw-in groove 16 are located the central point of 3 lower surfaces of base and put, and fixture block 17 is located the central point of 2 upper surfaces of clamp plate and puts, and base 3 passes through draw-in groove 16 and fixture block 17 and clamp plate 2 cooperation, has avoided base 3 to remove and appear shearing filter paper size's error for clamp plate 2.

The second support rod 6 is provided with a support mechanism and a measuring mechanism for supporting the cutter 10, the support mechanism comprises a cross rod 7 connected with the top of the second support rod 6, a sliding mechanism 11 located on the cross rod 7 and sliding along the length direction of the cross rod 7, and a connecting rod 9 connected with the sliding mechanism 11, the cutter 10 is welded with the bottom of the connecting rod 9, the measuring mechanism comprises a graduated scale 8 located below the cross rod 7 and movably connected with the sliding mechanism 11, the sliding mechanism 11 comprises a first cutting sleeve 18 sleeved on the cross rod 7, a connecting plate 20 fixedly connected with the lower surface of the first cutting sleeve 18, and a second cutting sleeve 19 fixedly connected with the bottom of the connecting plate 20, the second cutting sleeve 19 is sleeved on the outer surface of the graduated scale 8 and moves along the length direction of the graduated scale 8, the connecting rod 9 is fixedly connected with the bottom of the second cutting sleeve 19, the left and right sides of the first cutting sleeve 18 are provided with first positioning nuts 12 for fixing, the outer surface of the cross rod 7 is provided with threads, the first positioning nuts 12 are in threaded connection with the cross rod 7, the upper surface of the cross rod 7 is provided with a handle 15 for conveniently rotating the cross rod 7, two ends of the cross rod 7 are positioned in the first cutting sleeve 18, the first cutting sleeve 18 can slide left and right along the length direction of the cross rod 7, two ends of the graduated scale 8 are positioned in the second cutting sleeve 19, the second cutting sleeve 19 can move left and right along the length direction of the graduated scale 8, when the size of the cut filter paper needs to be adjusted, the first cutting sleeve 18 moves left or right, because the first cutting sleeve 18 and the second cutting sleeve 19, the connecting rod 9 and the cutter 10 move synchronously, even if the distance between the second support rod 6 and the second cutting sleeve 19 is the radius of the filter paper, the second cutting sleeve 19 moves to a set position, and then simultaneously rotates the first positioning nuts 12 on the left and, the first clamping sleeve 18 and the cross rod 7 are fixed by the first positioning nut 12, and the phenomenon that the shearing size of the filter paper is inaccurate due to the movement of the first clamping sleeve 18 is avoided.

The cutter 10 sets up two, is located the left and right sides of horizontal pole 7 respectively, the quick shearing filter paper of being convenient for, the middle part of horizontal pole 7 is equipped with first sleeve 13, first sleeve 13 with 6 fixed connection of second bracing piece,

first sleeve

13 and 6 outside welding of second bracing piece or paste through the gluing agent, the middle part of scale 8 is equipped with second sleeve 14, second sleeve 14 with 6 fixed connection of second bracing piece,

second sleeve

14 and 6 outer wall welding of second bracing piece or paste through the gluing agent, two the cutter 10 passes through connecting rod 9 with slide mechanism 11 is in the both sides of slewing mechanism slide.

During the use, place filter paper on bottom plate 1, place clamp plate 2 on the filter paper upper surface, because clamp plate 2 and bottom plate 1 attract each other, so it is fixed with filter paper, then place base 3 on clamp plate 2, be about to supporting mechanism and slewing mechanism place on clamp plate 2, make the radius of distance between second cutting ferrule 19 and the second bracing piece 6 for needs shearing filter paper through adjustment sliding mechanism 11, then it is fixed with slide mechanism 11 and horizontal pole 7 through first set nut 12, rotate handle 15, make cutter 10 carry out the semicircle motion, be about to the filter paper and cut into required size and shape, and the operation is simple.

Example 2:

as shown in fig. 2, 3, 4, 5 and 6, a circular filter paper shearing apparatus comprises a cutter 10, a bottom plate 1 and a pressing plate 2 located above the bottom plate 1, wherein the bottom plate 1 and the pressing plate 2 are both made of magnetic materials, and the magnetic poles of the magnetic materials of the bottom plate 1 and the pressing plate 2 are different magnetic poles, so that the bottom plate 1 and the pressing plate 2 attract each other, the filter paper to be sheared is placed between the bottom plate 1 and the pressing plate 2, and the phenomenon of filter paper wrinkling is avoided during shearing, a rotating mechanism is arranged above the pressing plate 2, the rotating mechanism comprises a base 3 located on the pressing plate 2, a first supporting rod 4 fixedly connected with the upper surface of the base 3, a bearing 5 fixedly connected with the inner wall surface of the top of the first supporting rod 4, and a second supporting rod 6 fixedly connected with the inner wall of the bearing 5, the bottom of the first supporting rod 5 is provided with a mounting groove, bearing 5 places in the mounting groove, and the outer wall of bearing 5 and the internal face welding of mounting groove, the surface and the 5 internal weld of bearing of second bracing piece 6, second bracing piece 6 uses bearing 5 to carry out 360 rotations as the fulcrum, drives supporting mechanism and rotates, and first bracing piece 4 and base 3 do not rotate, the upper surface of clamp plate 2 is equipped with fixture block 17, the lower surface of base 3 be equipped with fixture block 17 complex draw-in groove 16, draw-in groove 16 are located the central point of 3 lower surfaces of base and put, and fixture block 17 is located the central point of 2 upper surfaces of clamp plate and puts, and base 3 passes through draw-in groove 16 and fixture block 17 and clamp plate 2 cooperation, has avoided base 3 to remove for 2 of clamp plate 2 and the error of cuting the filter paper size appears.

The second support rod 6 is provided with a support mechanism and a measuring mechanism for supporting the cutter 10, the support mechanism comprises a cross rod 7 connected with the top of the second support rod 6, a sliding mechanism 11 located on the cross rod 7 and sliding along the length direction of the cross rod 7, and a connecting rod 9 connected with the sliding mechanism 11, the measuring mechanism comprises a graduated scale 8 located below the cross rod 7 and movably connected with the sliding mechanism 11, the sliding mechanism 11 comprises a first cutting sleeve 18 sleeved on the cross rod 7, a connecting plate 20 fixedly connected with the lower surface of the first cutting sleeve 18, and a second cutting sleeve 19 fixedly connected with the bottom of the connecting plate 20, the second cutting sleeve 19 is sleeved on the outer surface of the graduated scale 8 and moves along the length direction of the graduated scale 8, and the connecting rod 9 is fixedly connected with the bottom of the second cutting sleeve 19, the left and right sides of the first cutting sleeve 18 are provided with first positioning nuts 12 for fixing, the outer surface of the cross rod 7 is provided with threads, the first positioning nuts 12 are in threaded connection with the cross rod 7, the upper surface of the cross rod 7 is provided with a handle 15 for conveniently rotating the cross rod 7, two ends of the cross rod 7 are positioned in the first cutting sleeve 18, the first cutting sleeve 18 can slide left and right along the length direction of the cross rod 7, two ends of the graduated scale 8 are positioned in the second cutting sleeve 19, the second cutting sleeve 19 can move left and right along the length direction of the graduated scale 8, when the size of the cut filter paper needs to be adjusted, the first cutting sleeve 18 moves left or right, because the first cutting sleeve 18 and the second cutting sleeve 19, the connecting rod 9 and the cutter 10 move synchronously, even if the distance between the second support rod 6 and the second cutting sleeve 19 is the radius of the filter paper, the second cutting sleeve 19 moves to a set position, and then simultaneously rotates the first positioning nuts 12 on the left and, the first clamping sleeve 18 and the cross rod 7 are fixed by the first positioning nut 12, and the phenomenon that the shearing size of the filter paper is inaccurate due to the movement of the first clamping sleeve 18 is avoided.

The utility model discloses a quick shearing filter paper of dividing rule 8, including horizontal pole 7, cutter 10, first sleeve 13, second bracing piece 6, second sleeve 14, second bracing piece 6 is equipped with first sleeve 13, first sleeve 13 cover is established outside and following the length direction of second bracing piece 6 removes, the middle part of scale 8 is equipped with second sleeve 14, second sleeve 14 is established second bracing piece 6 is outside and following the length direction of second bracing piece 6 removes, be equipped with on the second bracing piece 6 and be used for fixing the positioning mechanism of first sleeve 13. The positioning mechanism comprises a second positioning nut 21 positioned above and below the first sleeve 13, threads are arranged on the outer surface of the second supporting rod 6, the second positioning nut 21 is in threaded connection with the second supporting rod 6, the height of the cutter 10 can be conveniently adjusted by the second positioning nut 21, the application range is wide, when a lot of filter paper is sheared at a time, the height of the cutter 10 can be adjusted, even if the second positioning nut 21 below the first sleeve 13 moves downwards, the second positioning nut 21 above the first sleeve 13 moves downwards, the first sleeve 13 drives the cross rod 7 to move downwards, namely, the cross rod 7 drives the cutter 10 to move downwards, the cutter 10 is positioned at the bottom of the filter paper, the whole filter paper can be conveniently sheared at a time, the working efficiency is high, and the operation is convenient.

The cutter 10 comprises a blade 22, a fixing rod 23 located at the top of the blade 22 and a first fixing hole 24 located on the side wall of the fixing rod 23, a groove used for placing the fixing rod 23 is formed in the bottom of the connecting rod 9, a second fixing hole is formed in the side wall of the groove, the fixing rod 23 is fixedly connected with the bottom of the connecting rod 9 through a bolt, the first fixing hole 24 and the second fixing hole are threaded holes with the same size, when the cutter 10 and the connecting rod 9 need to be fixed, the fixing rod 23 is inserted into the groove, the first fixing hole 24 is aligned with the second fixing hole, then the bolt is screwed in, the cutter 10 and the connecting rod 9 are fixed, and when the cutter 10 is damaged, the cutter 10 is convenient to replace.

The utility model discloses bottom plate and clamp plate adopt the magnetism material, flatten the filter paper that needs the shearing, appear the phenomenon of wrinkling when avoiding cuting, and the different positions of the adjustment cutter of being convenient for are convenient for to the not unidimensional filter paper of shearing, the rotatable setting of supporting mechanism, the rotation of the cutter of being convenient for, thereby cut out circular filter paper, easy operation, it is efficient to cut, improves experimenter's work efficiency.

Claims

1. The utility model provides a circular filter paper shearing mechanism, includes cutter, bottom plate and the clamp plate that is located the bottom plate top, its characterized in that: the top of clamp plate is equipped with slewing mechanism, be equipped with on the slewing mechanism and be used for supporting the supporting mechanism and the measuring mechanism of cutter, the supporting mechanism include with the horizontal pole that the slewing mechanism top is connected, be located on the horizontal pole and follow the gliding slide mechanism of horizontal pole length direction, with the connecting rod that slide mechanism connects, the cutter with connecting rod bottom fixed connection, measuring mechanism is including being located the horizontal pole below and with slide mechanism swing joint's scale, slewing mechanism including being located base on the clamp plate, with fixed surface is connected on the base first bracing piece, with the internal face fixed connection's at first bracing piece top bearing, with the inner wall fixed connection's of bearing second bracing piece, the second bracing piece carries out 360 rotations.

2. The circular filter paper cutting apparatus as set forth in claim 1, wherein: the cutting knife is provided with two cutters, a first sleeve is arranged in the middle of the cross rod and fixedly connected with the second supporting rod, a second sleeve is arranged in the middle of the graduated scale and fixedly connected with the second supporting rod, and the two cutters slide on two sides of the rotating mechanism through the connecting rod and the sliding mechanism.

3. The circular filter paper cutting apparatus as set forth in claim 2, wherein: the sliding mechanism comprises a first clamping sleeve arranged on the cross rod in a sleeved mode, a connecting plate fixedly connected with the lower surface of the first clamping sleeve, and a second clamping sleeve fixedly connected with the bottom of the connecting plate, the second clamping sleeve is arranged on the outer surface of the graduated scale and moves along the length direction of the graduated scale, the connecting rod is fixedly connected with the bottom of the second clamping sleeve, and the cutter is fixedly connected with the bottom of the connecting rod.

4. The circular filter paper cutting apparatus as set forth in claim 3, wherein: the left and right sides of first cutting ferrule is equipped with the first set nut that plays fixed action, the surface of horizontal pole is equipped with the screw thread, first set nut with horizontal pole threaded connection, the upper surface of horizontal pole is equipped with the handle.

5. The circular filter paper cutting apparatus as set forth in claim 1, wherein: the upper surface of clamp plate is equipped with the fixture block, the lower surface of base be equipped with fixture block complex draw-in groove, bottom plate and clamp plate all adopt the magnetism material.

6. The circular filter paper cutting apparatus as set forth in claim 1, wherein: the middle part of horizontal pole is equipped with first sleeve, first sleeve cover is established the second bracing piece is outside and follow the length direction of second bracing piece removes, the middle part of scale is equipped with the second sleeve, the second sleeve is established the second bracing piece is outside and follow the length direction of second bracing piece removes, be equipped with on the second bracing piece and be used for fixing first telescopic positioning mechanism.

7. The circular filter paper cutting apparatus as set forth in claim 6, wherein: the positioning mechanism comprises second positioning nuts positioned above and below the first sleeve, threads are arranged on the outer surface of the second supporting rod, and the second positioning nuts are in threaded connection with the second supporting rod.

8. The circular filter paper cutting apparatus as set forth in claim 6, wherein: the cutter includes the blade, is located the dead lever at blade top and is located first fixed orifices on the lateral wall of dead lever, the bottom of connecting rod is equipped with and is used for placing the recess of dead lever, be equipped with the second fixed orifices on the recess lateral wall, the dead lever with bolt fixed connection is passed through to the connecting rod bottom.