CN211627595U - Reaction cup transferring gripper - Google Patents
Reaction cup transferring gripper Download PDFInfo
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- CN211627595U CN211627595U CN201922139819.7U CN201922139819U CN211627595U CN 211627595 U CN211627595 U CN 211627595U CN 201922139819 U CN201922139819 U CN 201922139819U CN 211627595 U CN211627595 U CN 211627595U
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Abstract
The utility model relates to an external diagnosis medical instrument technical field, concretely relates to reaction cup shifts tongs, which comprises a base, install the electro-magnet on the base, the iron core of electro-magnet is down, the apical axis is being connected to the iron core lower extreme, the tongs arm-tie is being installed to the lower extreme of base, install 2 ~ 4 tongs pieces on the tongs arm-tie, be rotatable being connected between tongs piece and the tongs arm-tie, install the shell fragment on the tongs arm-tie, be equipped with the free end with tongs piece one-to-one on the shell fragment, the free end card is in the tongs piece outside, the apical axis lower extreme passes the tongs arm-tie, the kicking block is being installed to the bottom of apical axis, the part that contacts with the tongs piece on the kicking block is the arc contact surface, tongs piece inner wall is equipped with the scarf that contacts with the kicking block, the kicking block rises along the scarf when the electro-magnet circular telegra. The utility model aims to provide a compact structure, simple control's reaction cup shifts tongs for satisfy the demand of accomplishing in less space and getting the cup, putting the cup.
Description
Technical Field
The utility model relates to the technical field of in vitro diagnosis medical equipment, in particular to a reaction cup transfer gripper.
Background
At present, in the clinical test process of many in vitro diagnostic medical devices, a reaction cup is used as a carrier, a sample, a reagent and the like are added into the reaction cup, the reaction cup is often transferred in each process of loading, adding the sample, adding the reagent, incubating, cleaning and the like of the reaction cup, for example, an empty reaction cup needs to be transferred from a reaction cup module to an incubation module before the sample is added, and the reaction cup needs to be discarded after the detection is finished. In the existing full-automatic inspection instrument, in order to meet the experimental requirements and fully utilize the equipment space, the distance between reaction cups on a reaction cup carrier is generally small, and the commonly used reaction cup transfer gripper grips the reaction cups through the opening and closing of two gripper sheets in the horizontal direction, has a large opening angle, and is difficult to meet the requirement of completing the cup taking and placing in a small space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, control simple reaction cup shifts tongs, the control that can be better snatchs the open angle of in-process tongs piece, simultaneously, satisfies the completion in less space and gets the cup, put the demand of cup.
The purpose of the utility model is realized through the following technical scheme: comprises a base, wherein an electromagnet is arranged on the base, the iron core of the electromagnet faces downwards, the lower end of the iron core is connected with a jacking shaft, the lower end of the base is provided with a gripper pulling plate, 2-4 gripper pieces are symmetrically arranged on the gripper pulling plate, the gripper pieces are rotatably connected with the gripper pulling plate, the gripper pulling plate is provided with elastic pieces, the elastic pieces are provided with free ends which are in one-to-one correspondence with the gripper pieces, the free ends are clamped outside the gripper pieces, the lower end of the jacking shaft penetrates through the gripper pulling plate, the bottom of the jacking shaft is provided with a jacking block, the part of the jacking block, which is in contact with the gripper pieces, is an arc contact surface, the inner wall of each gripper piece is provided with a wedge surface which, when the top block moves to the lower end of the wedge surface, the gripper sheet is in a closed state, and when the top block moves to the upper end of the wedge surface, the gripper pieces are gradually opened under the action of the ejector block, and when the electromagnet is electrified, the ejector block rises along the wedge surface to enable the gripper pieces to be opened outwards.
In the reaction cup transferring gripper, when the electromagnet is powered on, the iron core pulls the jacking shaft to move upwards and drives the jacking block to move upwards, the jacking block moves upwards along the wedge surface of the inner wall of the gripper sheet to promote the gripper sheet to slide outwards along the arc contact surface so that the gripper sheet rotates outwards around the gripper pulling plate and opens the gripper sheet, the elastic sheet on the gripper pulling plate expands outwards to generate certain deformation, when the electromagnet is powered off, the jacking shaft, the jacking block and the like move downwards under the action of gravity, the wedge surface of the inner wall of the gripper sheet slides inwards along the arc surface on the jacking block under the action of the gravity of the gripper sheet and the elastic sheet elasticity, the gripper sheet rotates inwards around the gripper pulling plate simultaneously so that the gripper sheet is closed, thus the gripping of the reaction cup is realized, in the gripping process of the reaction cup, the opening and closing of the gripper sheet are realized through the moving pair between the wedge surface and the jacking block, the structure is compact and the control is simple, through the motion distance of kicking block between the lower extreme and the upper end of scarf, realize opening the control of angle size to the gripper piece, it is less that its gripper piece bottom opened angle under the condition that can satisfy the reaction cup and snatch, can adapt to the reaction cup when the space is less and snatch.
Further, the stopper is installed at the top of apical axis, be equipped with the connecting plate on the stopper, be connected through the elastic pin between connecting plate and the iron core, its effect lies in: the gripper is convenient to disassemble, and the maintainability of the gripper is improved.
Further, install photoelectric switch on the base, be equipped with the response piece on the stopper, iron core pulling apical axis upward movement when the electro-magnet circular telegram, when the kicking block moves the state to the upper end of wedge face thereupon, this moment, the response piece gets into photoelectric switch response region, and its effect lies in: after receiving the information, the photoelectric switch senses and feeds back the working state of the hand grip so as to effectively monitor.
Further, the upper end of shell fragment free end is the circular arc structure, and the shell fragment clamp plate is installed at the top of shell fragment, and its effect lies in: the circular arc structure can increase the elasticity of shell fragment free end, improves the grip piece to the clamping-force of reaction cup, makes the tongs can stably centre gripping reaction cup, and the shell fragment clamp plate makes the shell fragment can fix on the tongs arm-tie better, avoids the shell fragment not hard up influence tongs action of snatching.
Further, be connected through the rotating pin between tongs piece top and the tongs arm-tie, the lower extreme of tongs piece is equipped with the clamping part, and the clamping part upper end outside is seted up flutedly, and its effect lies in: the size of the bottom of the gripper sheet is further reduced, and meanwhile, the outer side groove is used for avoiding the edges of the adjacent reaction cups, so that the gripper can complete gripping of the reaction cups in a smaller space.
Further, install linear bearing on the tongs arm-tie, the apical axis passes linear bearing and is connected with the kicking block, and its effect lies in: so that the up-and-down sliding process of the top shaft is smooth.
Further, the ejector pad is gone up and is seted up the tongs piece spacing groove with the corresponding position that tongs piece contacted mutually, and the width in tongs piece spacing groove suits with the thickness of tongs piece, and the width of tongs piece spacing groove slightly is greater than the thickness of tongs piece, makes the tongs piece can freely slide on tongs piece through tongs piece spacing groove, has seted up the smooth nail mounting hole in tongs piece spacing groove, installs the smooth nail in the smooth nail mounting hole, and the top of smooth nail is the arc, the scarf contacts with the smooth nail top, and its effect lies in: when the kicking block along the wedge face upward movement, the smooth nail is pushing up the tongs piece, makes the tongs piece outwards open under the smooth nail effect, and tongs piece spacing groove can carry on spacingly to the tongs piece, avoids the tongs piece to rock the stability that influences the centre gripping at the in-process of centre gripping reaction cup.
Further, tongs piece quantity is 4, and its effect lies in: when the reaction cups are arranged in a matrix form, gaps in the directions of 4 diagonal lines around the reaction cups are fully utilized, and the reaction cups are grabbed and placed.
Combine the utility model discloses a structural feature, compare with prior art, the utility model provides a pair of reaction cup shifts tongs, its beneficial effect is: can realize opening and shutting of tongs piece through the circular telegram outage of electro-magnet, its compact structure, control are simple, and it is less to satisfy the open angle in its tongs piece bottom under the condition that the reaction cup snatched, and the reaction cup that can adapt to the space when less snatchs sets up the recess in the tongs piece clamping part outside simultaneously and keeps away the position to adjacent reaction cup edge, has further reduced the required space when snatching the reaction cup.
Drawings
Fig. 1 is the structure diagram of the reaction cup transferring gripper of the present invention.
Fig. 2 is an exploded view of the transfer gripper of the reaction cup of the present invention.
Fig. 3 is a cross-sectional view of the reaction cup held by the hand grip.
Fig. 4 is a schematic diagram of the required space when the reaction cup is held by the hand grip piece.
Fig. 5 is a schematic structural diagram of the top block of the present invention.
The device comprises an electromagnet 1, an iron core 2, an elastic pin 3, a connecting plate 4, a limiting block 5, a top shaft 6, a spring plate 7, an arc structure 71, a free end 72, a hand-grasping pulling plate 8, a hand-grasping piece 9, a clamping part 91, a groove 92, a wedge surface 93, a top block 10, a hand-grasping piece limiting groove 101, a slide nail mounting hole 102, a base 11, a photoelectric switch 12, an induction piece 13, a spring plate pressing plate 14, a linear bearing 15, a reaction cup 16, a rotating pin 17 and a slide nail 18.
Detailed Description
For a detailed description of the technical features and the objects and effects achieved by the present invention, further description is made below with reference to the accompanying drawings:
as shown in fig. 1 to 5, the reaction cup transfer gripper provided by the present invention comprises a base 11, an electromagnet 1 is installed on the base 11, an iron core 2 of the electromagnet 1 faces downward, a top shaft 6 is connected to the lower end of the iron core 2, a gripper pulling plate 8 is installed at the lower end of the base 11, 2 to 4 gripper pieces 9 are symmetrically installed on the gripper pulling plate 8, the gripper pieces 9 are rotatably connected to the gripper pulling plate 8, a spring plate 7 is installed on the gripper pulling plate 8, free ends 72 corresponding to the gripper pieces 9 one by one are installed on the spring plate 7, the free ends 72 are clamped outside the gripper pieces 9, the lower end of the top shaft 6 passes through the gripper pulling plate 8, a top block 10 is installed at the bottom of the top shaft 6, the portion of the top block 10 contacting the gripper pieces 9 is an arc contact surface, a wedge surface 93 contacting the top block 10 is arranged on the inner wall of the gripper piece 9, when the top block 10 moves to the lower end of the wedge surface 93, the gripper pieces are in a closed state, when the top block 10 moves to the upper end of the wedge surface 93, the gripper 9 is gradually opened under the action of the top block 10, and when the electromagnet 1 is electrified, the top block 10 rises along the wedge surface 93 to cause the gripper 9 to be opened outwards.
Preferably, a limiting block 5 is installed at the top of the top shaft 6, a connecting plate 4 is arranged on the limiting block 5, and the connecting plate 4 is connected with the iron core 2 through an elastic pin 3.
Preferably, a photoelectric switch 12 is installed on the base 11, an induction sheet 13 is installed on the limiting block 5, when the electromagnet 1 is powered on, the iron core 2 pulls the top shaft 6 to move upwards, and when the top block 10 moves to the state of the upper end of the wedge surface 93 along with the electromagnet, the induction sheet 13 enters an induction area of the photoelectric switch 12.
Preferably, the upper end of the free end 72 of the elastic sheet 7 is an arc structure 71, and the top of the elastic sheet 7 is provided with an elastic sheet pressing plate 14.
Preferably, the top of the gripper piece 9 is connected with the gripper pulling plate 8 through the rotating pin 17, the lower end of the gripper piece 9 is provided with a clamping portion 91, and the outer side of the upper end of the clamping portion 91 is provided with a groove 92.
Preferably, a linear bearing 15 is installed on the hand grip pulling plate 8, and the top shaft 6 penetrates through the linear bearing 15 to be connected with the top block 10.
Preferably, a gripper limiting groove 101 is formed in a corresponding position, which is in contact with the gripper 9, of the top block 10, the width of the gripper limiting groove 101 is matched with the thickness of the gripper 9, the width of the gripper limiting groove 101 is slightly larger than the thickness of the gripper 9, so that the gripper 9 can freely slide on the gripper 9 through the gripper limiting groove 101, a slide pin mounting hole 102 is formed in the gripper limiting groove 101, a slide pin 18 is mounted in the slide pin mounting hole 102, the top of the slide pin 18 is arc-shaped, and the wedge surface 93 is in contact with the top of the slide pin 18.
Preferably, the number of the grip pieces 9 is 4.
The utility model provides a reaction cup shifts tongs, its concrete implementation step is as follows:
when the reaction cup needs to be transferred, the reaction cup transferring gripper moves to the position above the position of the reaction cup, the electromagnet 1 is electrified, the iron core 2 pulls the jacking shaft 6 and drives the jacking block 10 to move upwards, the sliding pin 18 on the jacking block 10 moves upwards along the wedge surface 93 on the inner wall of the gripping block to drive the gripping block 9 to slide outwards along the arc contact surface so that the gripping block 9 rotates outwards around the gripping pulling plate 8, the gripping block 9 is opened, the elastic sheet 7 on the gripping pulling plate 8 expands outwards to generate certain deformation, the reaction cup transferring gripper moves downwards to the position capable of clamping the reaction cup 16, the electromagnet 1 is powered off, the jacking shaft 6 and the jacking block 10 move downwards under the action of gravity, and under the elastic force of the elastic sheet 7 and the action of the gravity of the gripping block 9, the wedge surface 93 slides along the top of the slide pin 18 and is simultaneously folded inwards until the clamping part is contacted with the outer surface of the reaction cup 16, the reaction cup 16 is grabbed, and the reaction cup transferring grabbing hand moves upwards to make the reaction cup 16 leave the placing position and transfer the reaction cup to other positions.
In the opening and closing process of the gripper sheet 9, the gripper sheet is limited by the gripper sheet limiting groove 101, so that shaking is avoided, the circular arc structure 71 on the elastic sheet 7 increases the elastic force of the free end 72, and the gripper sheet 9 can be quickly closed and stably clamp the reaction cup 16 when the electromagnet 1 is powered off.
Among the current clinical examination equipment, the reaction cup is generally that the matrix is arranged and is placed on the equipment platform, and the reaction cup on the carousel formula experiment platform also is annular array usually and arranges, and the reaction cup that adopts 4 tongs pieces shifts the tongs can pass through the space of 4 diagonal directions around the reaction cup, accomplishes snatching and placing the reaction cup, and simultaneously, the recess 92 in the 9 outsides of tongs piece can dodge the collision avoidance to the reaction cup edge on the diagonal, consequently, the utility model provides a reaction cup shifts the tongs and can adapt to the transfer to the intensive reaction cup of arranging.
In the working process of transferring the gripper by the reaction cup, when the electromagnet 1 is electrified, the iron core 2 pulls the connecting plate 4 to move upwards, the induction sheet 13 enters an induction area of the photoelectric switch 12, the electromagnet 1 is confirmed to normally work through feedback of an induction signal of the photoelectric switch, the limiting block 5 is arranged between the top shaft 6 and the iron core 2, the top shaft 6 is prevented from being directly connected with the iron core 2, and the part below the iron core 2 becomes an independent gripper module, so that the gripper is convenient to mount, dismount and maintain.
The applicant asserts that the above-described embodiments merely represent the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention, which fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a reaction cup shifts tongs which characterized in that: including the base, install the electro-magnet on the base, the iron core of electro-magnet is down, and the apical axis is being connected to the iron core lower extreme, and the tongs arm-tie is being installed to the lower extreme of base, and the symmetry is installed a plurality of tongs piece on the tongs arm-tie, is rotatable between tongs piece and the tongs arm-tie and is being connected, and the apical axis lower extreme passes the tongs arm-tie, and the kicking block is being installed to the bottom of apical axis, and the part that contacts with the tongs piece on the kicking block is the arc contact surface, tongs piece inner wall is equipped with the scarf that contacts with the kicking block, and when the kicking block moved to the lower extreme of scarf, the tongs piece was in the closure state, and in-process when the kicking block moved to the upper end of scarf, the.
2. The reaction cup transfer grip of claim 1, wherein: the elastic pieces are arranged on the hand grip pulling plate, free ends which correspond to the hand grip pieces one to one are arranged on the elastic pieces, and the free ends are clamped outside the hand grip pieces.
3. The reaction cup transfer grip of claim 1, wherein: the gripper piece limiting groove is formed in the corresponding position, in contact with the gripper piece, of the ejector block, the width of the gripper piece limiting groove is matched with the thickness of the gripper piece, the gripper piece can freely slide on the gripper piece through the gripper piece limiting groove, a slide nail mounting hole is formed in the gripper piece limiting groove, a slide nail is mounted in the slide nail mounting hole, the top of the slide nail is arc-shaped, and the wedge surface is in contact with the top of the slide nail.
4. The reaction cup transfer grip of claim 1, wherein: 2-4 gripper pieces are symmetrically arranged on the gripper pulling plate.
5. The reaction cup transfer grip of claim 1, wherein: a limiting block is installed at the top of the top shaft, a connecting plate is arranged on the limiting block, and the connecting plate is connected with the iron core through an elastic pin.
6. The reaction cup transfer grip of claim 5, wherein: the photoelectric switch is installed on the base, the limiting block is provided with an induction sheet, and when the electromagnet is electrified, the induction sheet enters a photoelectric switch induction area.
7. The reaction cup transfer grip of claim 2, wherein: the upper end of the free end of the elastic sheet is of an arc structure, and an elastic sheet pressing plate is installed at the top of the elastic sheet.
8. The reaction cup transfer grip of claim 1, wherein: the top of the gripper piece is connected with the gripper pulling plate through a rotating pin, a clamping part is arranged at the lower end of the gripper piece, and a groove is formed in the outer side of the upper end of the clamping part.
9. The reaction cup transfer grip of claim 1, wherein: the gripper pulling plate is provided with a linear bearing, and the jacking shaft penetrates through the linear bearing to be connected with the jacking block.
10. The reaction cup transfer grip of claim 2, wherein: 4 gripper pieces are symmetrically arranged on the gripper pulling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139819.7U CN211627595U (en) | 2019-12-04 | 2019-12-04 | Reaction cup transferring gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139819.7U CN211627595U (en) | 2019-12-04 | 2019-12-04 | Reaction cup transferring gripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211627595U true CN211627595U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922139819.7U Active CN211627595U (en) | 2019-12-04 | 2019-12-04 | Reaction cup transferring gripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211627595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252765A (en) * | 2021-06-21 | 2021-08-13 | 南昌大学 | Capillary electrophoresis apparatus |
-
2019
- 2019-12-04 CN CN201922139819.7U patent/CN211627595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252765A (en) * | 2021-06-21 | 2021-08-13 | 南昌大学 | Capillary electrophoresis apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518109 the 1st floor and the whole building of No.1 Factory Building and the 1st floor and the whole building of No.2 factory building in Baiyunshan Industrial Zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Aikang Biotechnology Co.,Ltd. Address before: 518109 the 1st floor and the whole building of No.1 Factory Building and the 1st floor and the whole building of No.2 factory building in Baiyunshan Industrial Zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: AIKANG MEDTECH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |