CN108098869B - Needle shearing device - Google Patents
Needle shearing device Download PDFInfo
- Publication number
- CN108098869B CN108098869B CN201711481265.8A CN201711481265A CN108098869B CN 108098869 B CN108098869 B CN 108098869B CN 201711481265 A CN201711481265 A CN 201711481265A CN 108098869 B CN108098869 B CN 108098869B
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- CN
- China
- Prior art keywords
- shearing
- needle
- mounting
- clamping
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/30—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
Abstract
The invention provides a needle shearing device which is used for shearing a needle collector and comprises a mounting part; a sliding seat arranged on the mounting part in a sliding manner, and a shearing mechanism is arranged on the sliding seat; the fixing part is arranged on one side of the mounting part and used for forming the mounting of the needle collector. The needle shearing device is mainly used for shearing needle-shaped collectors, the shearing length can be adjusted through the sliding slide seat, and the fixing part is arranged on the mounting part and used for fixing the column needle-shaped collectors during shearing, so that the needle-shaped collectors are more stable during shearing, the error is smaller, and the precision is better.
Description
Technical Field
The invention relates to the technical field of biomechanics, in particular to a needle shearing device.
Background
In biological research, staff usually uses a needle-shaped cell collector, after collecting cells, the part of the collector with target cells is always sheared off to perform further assay work, in conventional operation, the shearing process is sheared off at a rough position only by the staff after observation, and the shearing mode is not accurate enough, so that errors are easily caused, and unnecessary troubles are brought to inspection work.
Disclosure of Invention
In view of the above, the present invention aims to provide a needle cutting device to solve the above problems.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a needle shearing device for shearing a needle collector, comprising:
a mounting part;
the sliding seat is arranged on the mounting part in a sliding manner, and a shearing mechanism is arranged on the sliding seat;
and the fixing part is arranged on one side of the mounting part and is used for forming the mounting of the needle-shaped collector.
Further, the driving device is connected to one end of the sliding seat so as to drive the sliding seat to slide relative to the mounting part.
Further, scale marks are arranged on the mounting part, the driving device comprises a mounting bracket arranged at one end of the mounting part, a micrometer screw connected with one end of the sliding seat in a threaded manner, and a micro-cylinder rotationally sleeved outside the micrometer screw; one end of the micrometer screw is rotationally connected with the mounting bracket;
corresponding to the micrometer screw, a buckle is rotationally arranged on the other side of the mounting bracket and used for fixing the micrometer screw and the micro-cylinder.
Further, the fixing portion includes a sliding clip disposed on the mounting portion.
Further, the fixing portion includes a clamping device rotatably disposed on the mounting portion.
Further, the clamping device comprises a clamping end for clamping the needle collector, a connecting shaft connected with the clamping end, and a rotary driving part connected with the other end of the connecting shaft.
Further, the clamping end is provided with a groove for accommodating part of the needle-shaped collector, and a rotating clamping piece is arranged on the clamping end in a rotating way close to the groove.
Further, the shearing mechanism comprises a first shearing member and a second shearing member which are arranged in a crossing manner, the first shearing member and the second shearing member are rotatably arranged relative to the sliding seat through a central shaft arranged at the crossing position of the first shearing member and the second shearing member, one ends of the first shearing member and the second shearing member are used for forming a shearing part for shearing the needle collector, the other ends of the first shearing member and the second shearing member are respectively rotatably connected with a connecting rod, the other ends of the two connecting rods are rotatably connected through a pivot shaft, and a spring is connected between the pivot shaft and the central shaft.
Further, the mounting seat is provided with a connecting part connected with the pivot shaft in a sliding manner, the mounting seat is provided with a rocker in a rotating manner, and one end of the rocker is connected with the connecting part to form a sliding driving effect on the connecting part relative to the mounting seat.
Further, a sleeve is arranged on the mounting seat corresponding to the shearing mechanism.
Compared with the prior art, the invention has the following advantages:
(1) The needle shearing device is mainly used for shearing needle-shaped collectors, the shearing length can be adjusted through the sliding slide seat, and the fixing part is arranged on the mounting part and used for fixing the column needle-shaped collectors during shearing, so that the needle-shaped collectors are more stable during shearing, the error is smaller, and the precision is better.
(2) The driving device connected with the sliding seat adopts the same structure as the micrometer, the driving device is adjusted to enable the sliding seat to slide relative to the mounting part, so that shearing is more accurate, the clamping buckle at the other end of the mounting bracket is rotated corresponding to the driving device, and after the driving device finishes driving the sliding seat, the driving device is fixed to rotate, so that shearing errors caused by misoperation in operation are avoided.
(3) The mounting seat matched with the needle shearing device is more convenient and labor-saving in shearing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a diagram of a structure of a needle cutting device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a mounting base of a needle shearing device according to an embodiment of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view A of FIG. 1;
FIG. 5 is a cross-sectional view B of FIG. 1;
FIG. 6 is a cross-sectional view of FIG. 2;
FIG. 7 is a cross-sectional view of FIG. 3;
reference numerals illustrate:
the device comprises a 1-mounting frame, a 2-sliding seat, a 3-sliding clamping piece, a 4-clamping groove, a 5-clamping end, a 6-rotating clamping piece, a 7-knob, an 8-micro cylinder, a 9-micrometer screw, a 10-mounting bracket, a 11-guide rail, a 12-first shearing component, a 13-second shearing component, a 14-central shaft, a 15-connecting rod, a 16-pivot shaft, a 17-spring, a 18-mounting seat, a 19-rocker, a 20-receiving table, a 21-sleeve, a 22-gear, a 23-rack, a 24-pivot shaft, a 25-buckle, a 26-chuck, a 27-clamping position and a 28-connecting shaft.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The first and second embodiments are described for convenience of description only, and are not sequentially related, and do not limit the present invention.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, 4 and 5, the present embodiment relates to a needle shearing device for precisely shearing a needle collector commonly used in biological research, the needle shearing device includes a mounting portion, and the mounting portion is a mounting frame 1 having a frame structure.
In order to fix the needle collector relative to the needle shearing device in this embodiment, a fixing portion is provided on one side of the mounting portion, the fixing portion includes a sliding clamping member 3 provided on the mounting portion, and a clamping groove 4 is further provided on the mounting portion relative to the sliding clamping member 3 for clamping the sliding clamping member 3.
The fixing part further comprises a clamping device rotationally arranged on the mounting part, the clamping device comprises a clamping end 5 for forming clamping of the needle-shaped collector, a connecting shaft 28 fixedly connected with the clamping end 5, and a rotary driving part connected with the other end of the connecting shaft 28, the clamping end 5 is provided with a groove for accommodating part of the needle-shaped collector, and a rotary clamping piece 6 is rotationally arranged on the clamping end 5 close to the groove and used for fixing the needle-shaped collector on the clamping end 5; the connecting shaft 28 is arranged in a penetrating way on the mounting part in a rotating way; the rotary driving part is provided with a knob 7 with a rotation angle, and the knob 7 is rotated, so that the needle-shaped collector fixed on the clamping end 5 can be driven to rotate, and the target cells can be conveniently observed and found under a microscope to be positioned. In this embodiment, grooves are also provided on the connecting shaft 28 and the knob 7, with respect to grooves provided on the clamping end 5 for receiving part of the needle collector.
In order to realize the shearing function of the needle shearing device, a sliding seat 2 is further arranged on the mounting part in a sliding manner, a shearing mechanism is arranged on the sliding seat 2, the shearing mechanism comprises a first shearing member 12 and a second shearing member 13 which are arranged in a crossed manner, specifically, the first shearing member 12 and the second shearing member 13 can be in a shape and a structure of scissors commonly used in the prior art, the first shearing member 12 and the second shearing member 13 are rotatably arranged relative to the sliding seat 2 through a central shaft 14 arranged at the crossing position of the first shearing member 12 and the second shearing member 13, one ends of the first shearing member 12 and the second shearing member 13 are used for forming a shearing part for shearing the needle collector, the other ends of the first shearing member 12 and the second shearing member 13 are respectively rotatably connected with a connecting rod 15, the other ends of the two connecting rods 15 are rotatably connected through a pivot shaft 16, a spring 17 is connected between the pivot shaft 16 and the central shaft 14, and the first shearing member 12 and the second shearing member 13 are mutually combined through pulling the pivot shaft 16. In this embodiment, a guide rail 11 is further disposed between the sliding seat 2 and the mounting portion, the guide rail 11 is fixedly disposed on the mounting frame 1 and is disposed through the sliding seat 2, and the sliding seat 2 can slide on the guide rail 11. The shearing device in this embodiment is not limited to the above-described structure, but may be designed as other mechanisms for shearing.
In order to enable the shearing needle device to be positioned more accurately during shearing and adjust the shearing position, a driving device is further arranged at one end of the sliding seat 2, and the driving device can drive the sliding seat 2 to slide relative to the mounting part. The driving device comprises a mounting bracket 10 arranged at one end of the mounting part, a micrometer screw 9 in threaded connection with one end of the sliding seat 2, and a micro cylinder 8 rotatably sleeved outside the micrometer screw 9; one end of the micrometer screw 9 is rotatably connected with the mounting bracket 10. In particular, the driving principle of the driving device can refer to the structure and principle of a micrometer in the prior art. Corresponding to the drive device, the other end of the mounting bracket is rotationally provided with a buckle 25 for forming fixation for the drive device, when the drive device drives the slide seat 2 to move to a designated position, the drive device is locked by stirring the buckle 25, so that the micro cylinder 8 in the drive device is fixed relative to the micrometer screw 9, and the micro cylinder 8 is prevented from being rotated by mistake, thereby causing shearing errors.
As shown in fig. 2, 6 and 7, for convenience of use, the pin shearing device according to the present embodiment further includes a mounting seat 18, a connecting portion connected to the pivot shaft 16 is slidably disposed on the mounting seat 18, a rocker 19 is rotatably disposed on the mounting seat 18, and one end of the rocker 19 is connected to the connecting portion to form a sliding driving for the connecting portion relative to the mounting seat 18. In this embodiment, the connecting portion is provided as a rack 23, and the sleeve 21 is fixed to the rack 23 with respect to the pivot shaft 16. In this embodiment, a rotating shaft 24 is fixedly connected to one end of the rocker 19, and a gear 22 engaged with the rack 23 is connected to the rotating shaft 24.
For easy installation and fixation, the two ends of the slide seat 2 are provided with clamping heads 26, the clamping heads 26 penetrate through two sides of the mounting frame 1 and extend outwards, clamping positions 27 are formed on the mounting seat 18 corresponding to the clamping heads 26, and the clamping heads 26 are slidably arranged in the clamping positions 27 and form fixation perpendicular to the sliding direction, so that the shearing needle device is more convenient and accurate to shear when in use, and has better use effect.
Corresponding to the shearing mechanism, a receiving table 20 is further provided on the mounting seat 18, for collecting the sheared part of the needle-shaped collector, a groove is provided on the receiving table 20, a PCR tube for collection can be placed in the groove, a handle is further fixedly provided on the side wall of the receiving table 20, and the handle is used for rotating the angle of the receiving table 20 and corresponds to the shearing mechanism.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. A needle shearing device for shearing a needle collector, comprising:
a mounting part;
the sliding seat (2) is arranged on the mounting part in a sliding manner, a shearing mechanism is arranged on the sliding seat (2), the shearing mechanism comprises a first shearing member (12) and a second shearing member (13) which are arranged in a crossing manner, the first shearing member (12) and the second shearing member (13) are rotatably arranged relative to the sliding seat (2) through a central shaft (14) arranged at the crossing position of the first shearing member and the second shearing member, one ends of the first shearing member (12) and the second shearing member (13) are used for forming a shearing part for shearing the needle collector, the other ends of the first shearing member and the second shearing member are respectively rotatably connected with a connecting rod (15), the other ends of the two connecting rods (15) are rotatably connected through a pivot shaft (16), and a spring (17) is connected between the pivot shaft (16) and the central shaft (14);
the fixing part is arranged on one side of the mounting part and used for forming the mounting of the needle-shaped collector, the fixing part comprises a clamping device rotationally arranged on the mounting part, the clamping device comprises a clamping end (5) used for forming the clamping of the needle-shaped collector, a connecting shaft (28) connected with the clamping end (5), and a rotary driving part connected with the other end of the connecting shaft (28);
the driving device is connected to one end of the sliding seat (2) so as to drive the sliding seat (2) to slide relative to the mounting part;
the device comprises a mounting part, a driving device and a micro-cylinder (8), wherein the mounting part is provided with scale marks, the driving device comprises a mounting bracket (10) arranged at one end of the mounting part, a micrometer screw (9) connected with one end of the sliding seat (2) in a threaded manner, and the micro-cylinder (8) is rotatably sleeved outside the micrometer screw (9); one end of the micrometer screw (9) is rotationally connected with the mounting bracket (10); corresponding to the micrometer screw (9), a buckle (25) is rotatably arranged on the other side of the mounting bracket (10) and is used for forming the fixation of the micrometer screw (9) and the micro-cylinder (8);
the mounting seat (18) is provided with a connecting part connected with the pivot shaft (16) in a sliding manner on the mounting seat (18), the mounting seat (18) is provided with a rocker (19) in a rotating manner, and one end of the rocker (19) is connected with the connecting part to form a sliding driving mode of the connecting part relative to the mounting seat (18); corresponding to the shearing mechanism, a receiving table (20) is further arranged on the mounting seat (18) and used for collecting sheared parts of the needle-shaped collector, a groove is formed in the receiving table (20), a PCR tube used for collecting can be placed in the groove, and a handle is further fixedly arranged on the side wall of the receiving table (20) and used for rotating the angle of the receiving table (20).
2. The needle cutting device according to claim 1, wherein: the fixing part comprises a sliding clamping piece (3) arranged on the mounting part.
3. The needle cutting device according to claim 1, wherein: the clamping end (5) is provided with a groove for accommodating part of the needle-shaped collector, and a rotating clamping piece (6) is arranged on the clamping end (5) in a rotating way close to the groove.
4. The needle cutting device according to claim 1, wherein: the connecting part is provided with a rack (23), and a sleeve (21) is fixedly arranged on the rack (23) relative to the pivot shaft (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481265.8A CN108098869B (en) | 2017-12-29 | 2017-12-29 | Needle shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481265.8A CN108098869B (en) | 2017-12-29 | 2017-12-29 | Needle shearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098869A CN108098869A (en) | 2018-06-01 |
| CN108098869B true CN108098869B (en) | 2023-06-06 |
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ID=62215149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481265.8A Active CN108098869B (en) | 2017-12-29 | 2017-12-29 | Needle shearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108098869B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10205457A1 (en) * | 2002-02-08 | 2003-08-28 | Ruediger Hirt | Traversing microtome used e.g. in biology comprises a housing acting as a base body and supporting a micrometer, an object holding device, a guiding unit for a linearly travelling carriage, and a holder carried by the carriage for a knife |
| CN1575635A (en) * | 2003-07-14 | 2005-02-09 | 百得有限公司 | Vegetation pruning device |
| JP2006125949A (en) * | 2004-10-27 | 2006-05-18 | Japan Conservation Engineers Co Ltd | System allowing shear box to freely rotate in shearing process of single shear test |
| GB0708954D0 (en) * | 2007-05-10 | 2007-06-20 | Ho Cheng Garden Tools Co Ltd | Gardening shears having energy-saving functions |
| CN205989365U (en) * | 2016-08-30 | 2017-03-01 | 十堰市太和医院 | A kind of hospital stomach tube convenient and efficient shear |
| KR20170127834A (en) * | 2016-05-13 | 2017-11-22 | 강태원 | Band cutter device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731186A (en) * | 2013-07-08 | 2016-07-06 | 胡小青 | Portable wire cable assembly |
| CN204434618U (en) * | 2014-12-10 | 2015-07-01 | 福州大北农生物技术有限公司 | A kind of rolling bottle cell observation device |
| CN205184909U (en) * | 2015-12-02 | 2016-04-27 | 安徽宏实光机电高科有限公司 | Quick accurate shearing mechanism |
| CN205926932U (en) * | 2016-07-04 | 2017-02-08 | 台州万年建设工程有限公司 | Fixed -length cutting pliers |
| CN205735052U (en) * | 2016-07-06 | 2016-11-30 | 西华大学 | A kind of electric shear |
-
2017
- 2017-12-29 CN CN201711481265.8A patent/CN108098869B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10205457A1 (en) * | 2002-02-08 | 2003-08-28 | Ruediger Hirt | Traversing microtome used e.g. in biology comprises a housing acting as a base body and supporting a micrometer, an object holding device, a guiding unit for a linearly travelling carriage, and a holder carried by the carriage for a knife |
| CN1575635A (en) * | 2003-07-14 | 2005-02-09 | 百得有限公司 | Vegetation pruning device |
| JP2006125949A (en) * | 2004-10-27 | 2006-05-18 | Japan Conservation Engineers Co Ltd | System allowing shear box to freely rotate in shearing process of single shear test |
| GB0708954D0 (en) * | 2007-05-10 | 2007-06-20 | Ho Cheng Garden Tools Co Ltd | Gardening shears having energy-saving functions |
| KR20170127834A (en) * | 2016-05-13 | 2017-11-22 | 강태원 | Band cutter device |
| CN205989365U (en) * | 2016-08-30 | 2017-03-01 | 十堰市太和医院 | A kind of hospital stomach tube convenient and efficient shear |
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| Publication number | Publication date |
|---|---|
| CN108098869A (en) | 2018-06-01 |
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