CN211927945U - Liquid transfer workstation - Google Patents

Abstract

The embodiment of the invention discloses a liquid transfer workstation which comprises a test bench, a liquid taking device, a capping device, a vibration feeding device and a transferring device, wherein the liquid taking device is fixedly arranged on the side surface of the test bench, the test bench is fixedly connected with the end part of the capping device, the capping device is communicated with the vibration feeding device, the transferring device is fixedly arranged on the test bench, and the transferring device is arranged on the capping device in a sliding manner. When the sample taking device is used, a sample is sucked by the liquid taking device and is put into a headspace bottle in the transfer device, then a new sucker is used for sucking the reagent, so that the reagent and the sample are fully mixed, next, the transfer device can carry the headspace bottle to move to the position of the capping device, and then the headspace bottle is sealed by the capping device. The utility model discloses, compact structure, the function is reliable, and through getting liquid device operation reagent and sample reaction, can seal the empty bottle in the automatic butt head through capping device simultaneously, compares artifical inspection and has improved detection efficiency greatly.

Description

Liquid transfer workstation

Technical Field

The embodiment of the utility model provides a relate to the check out test set technical field, concretely relates to move liquid workstation.

Background

At present, blood inspection is carried out to wine drive violating the regulations, and the most used instruments are a liquid transfer work station and an automatic liquid transfer work station with a puncture sample injection needle. Most of the existing pipetting workstations are manually operated, namely, a pipetting pressing rod is manually pressed to push a suction head to suck a reagent, the reagent and a sample are mixed and reacted in a designated headspace bottle, and then a bottle cap is covered and an analysis test is sent. The pipetting workstation is a precise instrument, the correct posture needs to be kept during use, the holding force needs to be controlled during use, the number of samples to be inspected is large, and an operator is not unique, so that the error probability is increased, the palm holding the pipetting workstation feels aching pain during long-time use, and meanwhile, the hollow bottle needs to be manually sealed. The efficiency of the work is reduced. While automatic pipetting stations using injection needles may penetrate the cap, the integrity of the broken closure cap has to be manually closed. Furthermore, although the injection needle is cleaned every time, it cannot be replaced, thus being one of the main sources of cross-contamination.

Therefore the utility model provides a have a move liquid workstation, can accomplish the sealed of headspace bottle automatically, when having improved work efficiency, significantly reduced because the error that the manual operation brought, guaranteed the uniformity and the stability of experiment, avoided cross contamination, also reduced staff's burden simultaneously.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a move liquid workstation has solved among the prior art because the artifical test sample and the result error that leads to and the problem that efficiency is low excessively.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a move liquid workstation, including the test bench, get liquid device, capping device, vibrations material feeding unit and transfer device, get the fixed setting in the side of test bench of liquid device, the tip fixed connection of test bench and capping device, capping device and vibrations material feeding unit intercommunication, the fixed transfer device that is provided with on the test bench, the slip setting of transfer device is on capping device.

Further, the transfer device comprises a movable tray, a linear motor, a stepping motor, a disc, a suction head placing groove, a sample placing groove and a reagent placing groove, the linear motor is fixedly arranged on the test bed and is in transmission connection with the movable tray, the stepping motor is vertically fixed on the movable tray and is in transmission connection with the disc, the suction head placing groove, the sample placing groove and the reagent placing groove are arranged on one side of the disc, and the suction head placing groove, the sample placing groove and the reagent placing groove are located at the top end of the movable tray.

Further, get liquid device and include vertical deflector, buffer spring, the longitudinal movement cylinder, vertical movement cylinder and move the liquid head, the vertical deflector that is fixed with in test bench one side, the fixed vertical movement cylinder that is provided with on the vertical deflector, the piston rod and the vertical deflector fixed connection of vertical movement cylinder, and the cover is equipped with buffer spring on the piston rod of vertical movement cylinder, the vertical deflector slides and sets up on the guide way of vertical deflector, fixed mounting has the longitudinal movement cylinder on the vertical deflector, the piston rod and the first fixed connection that moves of longitudinal movement cylinder, it slides and sets up on the guide way of vertical deflector to move the liquid head.

Further, the test bed comprises a test rack, a motor installation guide groove and a notch, the linear motor is fixedly arranged at the bottom of the motor installation guide groove, the motor installation guide groove is arranged at the center line of the test rack, the notch is arranged at the bottom of one end of the test rack, and the other end of the test rack is fixedly connected with the gland device.

Further, the gland device comprises a gland frame, a movable guide groove and a gland mechanism, the motor installation guide groove is communicated with the movable guide groove, a movable tray is arranged on the movable guide groove in a sliding mode, the movable guide groove is arranged at the center line of the gland frame, and the gland mechanism is fixedly arranged at the top end of the gland frame.

Further, the gland mechanism includes direction frame, driven pressure head, return spring, cam and servo motor, vibrations material feeding unit and direction frame intercommunication, and vertical the inserting is equipped with driven pressure head in the direction frame, and the cover is equipped with return spring on the driven pressure head, and return spring one end offsets with direction frame top, and return spring's the other end offsets with driven pressure head, and the top and the cam of driven pressure head offset, and the cam is connected with the servo motor transmission, and servo motor is fixed to be set up in the gland frame.

Furthermore, the vibration feeding device comprises a vibration feeder and a feeding track, the vibration feeder is communicated with one end of the feeding track, and the other end of the feeding track is communicated with the guide rack.

The embodiment of the utility model provides a have following advantage:

the utility model discloses utilize and get liquid device and absorb reagent and sample, and drop into reagent and sample and react in the head space bottle, later utilize the transfer device to remove the position of gland mechanism with the head space bottle, thereby utilize driven pressure head and vibrations material feeding unit to seal for the head space bottle, at this in-process, all need not artifical the participation, rely on equipment both can accomplish the liquid treatment to the sample completely, can also accomplish the sealing of bottle lid, from this greatly reduced the error that the manual operation brought, simultaneously also improved inspection efficiency, staff's burden has been reduced.

The bottom of one end of the test rack is provided with a notch, the notch is positioned on the motor installation guide groove, when the transfer device leaves the test bench, the notch can be exposed, and the suction head used on the liquid transfer head can automatically fall into the notch, so that the suction head can be recovered under the condition that the normal use of the equipment is not influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a perspective view of a pipetting station according to an embodiment of the present invention;

fig. 2 is a perspective view of a liquid taking device of a liquid transfer workstation according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a capping mechanism of a liquid transfer workstation according to an embodiment of the present invention;

fig. 4 is a perspective view of a capping device of a liquid transfer workstation according to an embodiment of the present invention;

fig. 5 is a perspective view of a transfer device of a liquid transfer workstation according to an embodiment of the present invention;

in the figure: 1, a test bed; 11 a test stand; 12, installing a guide groove on the motor; 13, a notch; 2, a liquid taking device; 21 a longitudinal guide plate; 22 a vertical guide plate; 23 a buffer spring; 24 a longitudinal movement cylinder; 25 a vertical moving cylinder; 26 a pipetting head; 3, a capping device; 31 a gland frame; 32 moving the guide groove; 33 a capping mechanism; 331 a guide frame; 332, a driven ram; 333 return spring; 334 a cam; 335 a servo motor; 4, vibrating the feeding device; 41 vibrating the feeder; 42 a feed track; 5 a transfer device; 51 moving the tray; 52 a linear motor; 53 step motor; 54 a headspace bottle disk; 55 a suction head placing groove; 56 a sample placing groove; 57 reagent holding tank.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As in fig. 1-5, the utility model provides a move liquid workstation, including test bench 1, get liquid device 2, capping device 3, vibrations material feeding unit 4 and transfer device 5, get the fixed side that sets up at test bench 1 of liquid device 2, be used for absorbing reagent and sample, test bench 1 and capping device 3's tip fixed connection, motor installation guide slot 12 communicates with removal guide slot 32 simultaneously to be convenient for remove between test bench 1 and the capping device 3. The transfer device 5 is communicated with the vibration feeding device 4 at the capping device 3, so that the vibration feeding device 4 provides a headspace bottle cap for the capping device 3, and the headspace bottle is conveniently sealed. The test bed 1 is fixedly provided with a transfer device 5, and the transfer device 5 is arranged on the capping device 3 in a sliding manner.

According to the utility model discloses a concrete embodiment, transfer device 5 is including removing tray 51, linear electric motor 52, step motor 53, head space bottle disc 54, suction head standing groove 55, sample standing groove 56 and reagent standing groove 57, the fixed linear electric motor 52 that is provided with on the test bench 1, linear electric motor 52 is connected with the transmission of removing tray 51, linear electric motor 52 can drive and remove tray 51 and be linear motion, also can be according to the linear electric encoder of installation on the linear electric motor 52 simultaneously, thereby the position precision of direct measurement load improves the load, thereby guarantee capping device 3, can be accurate press the bottle lid to the head space bottle on. Move and vertically be fixed with step motor 53 on the tray 51, step motor 53 is connected with the transmission of head space bottle disc 54, and the head space bottle has been placed to the circumference on the head space bottle disc 54, and step motor 53 can drive head space bottle disc 54 and rotate simultaneously, from this at equipment during operation, rotates through head space bottle disc 54 and can make all head space bottles, moves gland mechanism 33 below to utilize driven pressure head 332 to compress tightly the bottle lid. One side of the headspace vial disc 54 is provided with a tip placement groove 55, a sample placement groove 56, and a reagent placement groove 57, and the tip placement groove 55, the sample placement groove 56, and the reagent placement groove 57 are located at the top end of the movable tray 51. The tip placement slot 55 is used for storing spare tips, the sample placement slot 56 is used for storing collected samples, the reagent placement slot 57 is used for storing reagents for test reaction, when the detection is started, the liquid-moving head 26 can suck the samples in the sample placement slot 56 and place the samples in a headspace bottle, then the liquid-moving head 26 automatically pushes away the used tips and moves to the tip placement slot 55 to replace the new tips, and the reagents in the reagent placement slot 57 are sucked again and dripped into the headspace bottle.

According to the utility model discloses a concrete embodiment, get liquid device 2 and include vertical deflector 21, vertical deflector 22, buffer spring 23, longitudinal movement cylinder 24, vertical movement cylinder 25 and move liquid head 26, the vertical deflector 22 that is fixed with in 1 one side of test bench, vertical movement cylinder 25 that is provided with on the vertical deflector 22, vertical movement cylinder 25's piston rod and vertical deflector 21 fixed connection, vertical movement cylinder 25 can drive vertical deflector 21 motion from this, vertical deflector 22 plays the effect of direction simultaneously, make vertical deflector 21 can only move along vertical direction. The piston rod of the vertical moving cylinder 25 is sleeved with the buffer spring 23, and the buffer spring 23 can offset the pressure born by a part of the vertical moving cylinder 25, so that the abrasion of the vertical moving cylinder 25 is reduced, and the service life of the vertical moving cylinder 25 is prolonged. Similarly, the longitudinal guide plate 21 is slidably disposed on the guide groove of the vertical guide plate 22, the longitudinal moving cylinder 24 is fixedly mounted on the longitudinal guide plate 21, the piston rod of the longitudinal moving cylinder 24 is fixedly connected with the pipetting head 26, and the pipetting head 26 is slidably disposed on the guide groove of the longitudinal guide plate 21, so that the pipetting head 26 can move along the guide groove of the longitudinal guide plate 21.

According to the utility model discloses a concrete embodiment, test bench 1 includes test rack 11, motor installation guide slot 12 and breach 13, linear electric motor 52 is fixed to be set up in motor installation guide slot 12 bottom, motor installation guide slot 12 sets up the central line department at test rack 11, test rack 11 one end bottom is provided with breach 13, test rack 11's the other end and 3 fixed connection of capping device, from this when driving transfer device 5 through linear electric motor 52 and leaving test bench 1, breach 13 just can expose, use on this time shift liquid head 26 in the suction head will fall into breach 13 automatically, thereby under the condition that does not influence equipment normal use, accomplish the recovery of back suction head.

According to the utility model discloses a specific embodiment, capping device 3 includes gland frame 31, removes guide slot 32 and gland mechanism 33, and motor installation guide slot 12 communicates with removing guide slot 32, removes to slide on the guide slot 32 and is provided with and removes tray 51, and it also can remove to test bench 1 through motor installation guide slot 12 on to remove tray 51 simultaneously to be convenient for remove tray 51 and remove between test bench 1 and gland frame 31. The moving guide groove 32 is arranged at the center line of the capping machine frame 31, the capping mechanism 33 is fixedly arranged at the top end of the capping machine frame 31, and when the moving tray 51 moves to the position of the capping mechanism 33, the capping mechanism 33 can seal the empty top bottle.

According to the utility model discloses a specific embodiment, capping mechanism 33 includes direction frame 331, driven pressure head 332, return spring 333, cam 334 and servo motor 335, and vibrations material feeding unit 4 and direction frame 331 intercommunication, vibrations material feeding unit 4 can be with the position posture of bottle lid just, simultaneously with the leading-in direction frame 331 of bottle lid in. The guide frame 331 is vertically inserted with a driven pressure head 332, the driven pressure head 332 is sleeved with a return spring 333, one end of the return spring 333 is abutted against the top of the guide frame 331, the other end of the return spring 333 is abutted against the driven pressure head 332, so that the driven pressure head 332 can restore to the original position, the top end of the driven pressure head 332 is abutted against a cam 334, the cam 334 is in transmission connection with a servo motor 335, and the servo motor 335 is fixedly arranged on the gland frame 31. Servo motor 335 can drive cam 334 and rotate, simultaneously because cam 334 offsets with driven pressure head 332, cooperate step motor 53 as linear electric motor 52 for when the headspace bottle moved to direction frame 331 below, servo motor 335 drives cam 334 and rotates the round, cam 334 drives driven pressure head 332 and pushes down, on the bottle lid that will lead in the frame 331 pushed the bottleneck of headspace bottle, accomplish sealed to the headspace bottle from this, then can carry out the next step and detect the operation.

According to the utility model discloses a specific embodiment, vibrations material feeding unit 4 is including vibrations feeder 41 and pay-off track 42, vibrations feeder 41 and the one end intercommunication of pay-off track 42, and the other end and the direction frame 331 of pay-off track 42 communicate. The vibratory feeder 41 may adjust the posture of the cap so that the cap enters the feeding rail 42 in a correct posture, and then may smoothly move the cap into the guide frame 331 so as to seal the empty cap.

The utility model discloses use as follows:

the utility model provides a move liquid workstation, when using, at first need utilize and get the sample in liquid device 2 absorbs standing groove 56 to drop into the headspace bottle in headspace bottle disc 54 with the sample. Then the moving tray 51 is moved by the transferring device 5 to the position of the guiding frame 331, the gap 13 is exposed under the liquid taking device 2, the liquid taking device 2 retracts the suction head to fall into the gap 13, and after the liquid taking device 2 retracts the suction head, the moving tray 51 returns to the original position. Then, a new suction head is replaced in the suction head placing groove 55, the reagent in the reagent placing groove 57 is sucked, finally, the sample and the reagent are mixed in the headspace bottle of the headspace bottle disc 54, next, the moving device 5 moves the moving tray 51 to the position of the guide rack 331, the linear motor 52 is linked with the stepping motor 53, and the bottle cap is pressed on the bottle mouth of the headspace bottle by the vibration feeder 41 and the capping mechanism 33, so that the headspace bottle is sealed.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (7)

1. The utility model provides a move liquid workstation, its characterized in that includes test bench (1), gets liquid device (2), capping device (3), vibrations material feeding unit (4) and transfer device (5), get the fixed side that sets up in test bench (1) of liquid device (2), the tip fixed connection of test bench (1) and capping device (3), capping device (3) and vibrations material feeding unit (4) intercommunication, fixed transfer device (5) that are provided with on test bench (1), transfer device (5) slide to set up on capping device (3).

2. A pipetting station as recited in claim 1 characterised in that the transfer means (5) comprises a transfer tray (51), a linear motor (52), a stepper motor (53), a headspace vial disc (54), a tip placement slot (55), a sample placement slot (56) and a reagent placement slot (57), the test bed (1) is fixedly provided with a linear motor (52), the linear motor (52) is in transmission connection with a movable tray (51), a stepping motor (53) is vertically fixed on the movable tray (51), the stepping motor (53) is in transmission connection with a headspace bottle disc (54), a suction head placing groove (55), a sample placing groove (56) and a reagent placing groove (57) are arranged on one side of the disc (54), the tip placement groove (55), the sample placement groove (56), and the reagent placement groove (57) are located at the top end of the movable tray (51).

3. A liquid transfer workstation according to claim 2, characterized in that the liquid taking device (2) comprises a longitudinal guide plate (21), a vertical guide plate (22), a buffer spring (23), a longitudinal moving cylinder (24), a vertical moving cylinder (25) and a liquid transfer head (26), the vertical guide plate (22) is vertically fixed on one side of the test bed (1), the vertical moving cylinder (25) is fixedly arranged on the vertical guide plate (22), a piston rod of the vertical moving cylinder (25) is fixedly connected with the longitudinal guide plate (21), the buffer spring (23) is sleeved on the piston rod of the vertical moving cylinder (25), the longitudinal guide plate (21) is slidably arranged on a guide groove of the vertical guide plate (22), the longitudinal moving cylinder (24) is fixedly arranged on the longitudinal guide plate (21), and a piston rod of the longitudinal moving cylinder (24) is fixedly connected with the liquid transfer head (26), the liquid transferring head (26) is arranged on the guide groove of the longitudinal guide plate (21) in a sliding mode.

4. A pipetting station as recited in claim 3 wherein the test bed (1) comprises a test frame (11), a motor mounting guide slot (12) and a notch (13), the linear motor (52) is fixedly arranged at the bottom of the motor mounting guide slot (12), the motor mounting guide slot (12) is arranged at the center line of the test frame (11), the notch (13) is arranged at the bottom of one end of the test frame (11), and the other end of the test frame (11) is fixedly connected with the capping device (3).

5. A pipetting station as recited in claim 4 wherein the capping device (3) comprises a capping frame (31), a moving guide slot (32) and a capping mechanism (33), the motor mounting guide slot (12) is in communication with the moving guide slot (32), a moving tray (51) is slidably disposed on the moving guide slot (32), the moving guide slot (32) is disposed at the center line of the capping frame (31), and the capping mechanism (33) is fixedly disposed at the top end of the capping frame (31).

6. A liquid transfer workstation as claimed in claim 5, wherein the capping mechanism (33) comprises a guide frame (331), a driven pressure head (332), a return spring (333), a cam (334) and a servo motor (335), the vibration feeding device (4) is communicated with the guide frame (331), the driven pressure head (332) is vertically inserted into the guide frame (331), the driven pressure head (332) is sleeved with the return spring (333), one end of the return spring (333) abuts against the top of the guide frame (331), the other end of the return spring (333) abuts against the driven pressure head (332), the top end of the driven pressure head (332) abuts against the cam (334), the cam (334) is in transmission connection with the servo motor (335), and the servo motor (335) is fixedly arranged on the capping frame (31).

7. A pipetting station as recited in claim 6, characterised in that the vibrating feed device (4) comprises a vibrating feeder (41) and a feed rail (42), the vibrating feeder (41) communicating with one end of the feed rail (42) and the other end of the feed rail (42) communicating with the guide frame (331).

Images