阅读说明：本技术 夹持装置、开盖合盖系统及开盖合盖方法 (Clamping device, uncap cap system and closing lid method of uncapping ) 是由 王宗华 陈健 张晗 曹君 于 2019-09-29 设计创作，主要内容包括：本发明公开夹持装置、开盖合盖系统及开盖合盖方法,夹持装置包括导件、撑件、夹件和动力件,动力件与撑件固定,夹件包括至少两根夹杆,夹杆端部相互靠近地倾斜设置,夹杆可滑动地与撑件连接,夹杆滑动方向与其倾斜方向平行,导件固定设置,夹件与导件螺旋传动,在螺旋传动的作用下随撑件转动的夹杆端部相互靠近或远离夹持物。开盖合盖系统包括上述夹持装置,还包括运送装置、扫描器、升降机构和夹爪,运送装置与夹持装置固定,扫描器安装于夹持装置运送轨迹的一侧,升降机构与夹爪固定,夹爪设置在开合盖位的上方。开盖合盖方法,应用于开盖合盖系统。本发明解决现有技术中设备成本高、结构复杂、流程繁琐以及对试管兼容性不强的问题。(The present invention discloses clamping device, uncap cap system and closing lid method of uncapping, clamping device includes guiding element, support member, folder and force piece, force piece is fixed with support member, folder includes that at least two clamping bars, clamping bar end is closely obliquely installed, and clamping bar is slideably connect with support member, clamping bar glide direction is parallel with its inclined direction, guiding element fixed setting, folder and guiding element worm drive, the clamping bar end rotated under the action of worm drive with support member are close to each other or far from clamping object.Cap system of uncapping includes above-mentioned clamping device, it further include conveyer, scanner, elevating mechanism and clamping jaw, conveyer is fixed with clamping device, and scanner is installed on the side that clamping device transports track, elevating mechanism is fixed with clamping jaw, and the top of folding lid position is arranged in clamping jaw.Closing lid of uncapping method, applied to cap system of uncapping.The present invention solves the problems, such as that equipment cost is high, structure is complicated, process is cumbersome and not strong to test tube compatibility in the prior art.)

1. clamping device, it is characterised in that: clamping device includes guiding element, support member, folder and force piece, for driving support member to rotate Force piece fixed with support member, folder include at least two clamping bars, clamping bar end be closely obliquely installed, clamping bar is slidably Ground is connect with support member, and clamping bar glide direction is parallel with its inclined direction, guiding element fixed setting, folder and guiding element worm drive, In The clamping bar end rotated under the action of worm drive with support member is close to each other or far from clamping object.

2. clamping device according to claim 1, it is characterised in that: be tiltedly installed with slide opening in support member, clamping bar can be along hole Slidably it is set in slide opening.

3. clamping device according to claim 1, it is characterised in that: clamping bar is equipped with external screw thread, and a ring spiral shell is arranged in guiding element Line section, the external screw thread on clamping bar are engaged with the thread segment on guiding element.

4. clamping device according to claim 1, it is characterised in that: clamping device further includes torque limiter, for passing Graduating power and the torque limiter for disconnecting power transmitting are arranged between force piece and support member.

5. clamping device according to claim 1, it is characterised in that: be provided between clamping bar and clamping object for shock-absorbing clip The bolster for the clamping force that bar generates clamping object.

6. cap system of uncapping, it is characterised in that: cap system of uncapping includes the clamping device as described in Claims 1 to 5, also Include:

Conveyer for transporting clamping device to folding lid position, conveyer are fixed with clamping device；

For reading the scanner of information, scanner is installed on the side that clamping device transports track；

Elevating mechanism for driving clamping jaw to go up and down and the clamping jaw for pressing from both sides lid, elevating mechanism are fixed with clamping jaw, and clamping jaw setting exists The top of folding lid position.

7. cap system according to claim 6 of uncapping, it is characterised in that: cap system of uncapping further includes controller, fortune Device, clamping device, elevating mechanism and clamping jaw is sent to pass through communication module and controller progress signal connection respectively.

8. cap system according to claim 7 of uncapping, it is characterised in that: cap system of uncapping further includes displacement sensor I is arranged at folding lid position for monitoring the displacement sensor I of clamping object in place, and displacement sensor I passes through communication module and control Device signal connection processed.

9. cap system according to claim 7 of uncapping, it is characterised in that: cap system of uncapping further includes displacement sensor II is set to for monitoring the displacement sensor II of clamping jaw in place and covers same eminence, displacement sensor II by communication module with Controller signals connection.

10. closing lid of uncapping method, applied to the cap system of uncapping as described in claim 6~9, it is characterised in that: including with Lower step:

Clamping object is placed between the clamping bar of clamping device by S1, and conveyer drives clamping device mobile, controller starting folder The force piece of device is held, clamping bar end is close to clamping object；

S2, gripping means grips clamping object simultaneously drive clamping object rotation, and clamping device is through overscan in clamping object rotary course Retouch device, to read information, torque limiter reaches disengaged position after setting value for scanner scanning clamping object one week, force piece and The separated power of support member transmits；

S3, when controller receives the signal of position sensor I monitoring clamping device arrival folding lid position, controller controls power Part and conveyer stop, and control elevating mechanism starting, and elevating mechanism drives clamping jaw decline；

S4, when controller receives the signal of position sensor II monitoring clamping jaw in place, controller, which controls elevating mechanism, to be stopped, and Then control clamping jaw movement starts elevating mechanism and clamping jaw is driven to rise, realization is uncapped to clamp the lid for clamping object；

S5, starting elevating mechanism drive clamping jaw decline, and controller receives the signal of position sensor II monitoring clamping jaw in place again When, then controller control clamping jaw movement starts elevating mechanism and clamping jaw is driven to rise, realize closing lid to unclamp the lid for clamping object.

Technical field

The present invention relates to field of automation technology more particularly to a kind of clamping devices, uncap cap system and closing lid of uncapping Method.

Background technique

The heparin tube overwhelming majority medical at present is vacuum test tube, when being detected, it usually needs is carried out three following Step:

1, information reading is carried out to bar code on test tube outer wall；

2, test tube cap is opened after the completion of information is read carries out sample extraction；

3, it extracts completion rear cover time test tube cap and avoids sample contamination.

After having acquired blood, test tube interior still has certain negative pressure, needs certain dynamics could be by test tube cap Open, in the occasion for needing to extract a large amount of invisible spectro samples, by manual operation one by one to test tube be scanned with And uncap, closing lid operation, not only low efficiency, large labor intensity.If dynamics grasp is improper may to make tube breaking or test tube Inside occurs oscillation and sample is caused to splash, to pollute, jeopardize the health of operator.

In addition, the device that automatic lid closing/opening closing lid and information that the prior art also relates to are read.

Chinese patent CN201710798969.1 discloses a kind of heparin tube automatic lid closing/opening apparatus and method, the invention are main Realize the unlatching and recycling of heparin tube lid, the open function of heparin tube lid removes lid mechanism by blood sampling pipe clamping mechanism and heparin tube Cooperation complete, clamp test tube bottom specifically by blood sampling pipe clamping mechanism and move downward, while heparin tube removes lid machine Structure clamps heparin tube lid and rotation to realize movement of uncapping, and the implementation for recycling function is to make heparin tube after the completion of uncapping Recovering mechanism is moved to heparin tube except lid mechanism underface, catches the lid opened.

Chinese patent CN201910494662.1 disclose a kind of test tube uncap closing lid device, test tube uncap closing lid method and Vitro detection analyzer, the invention mainly realize that uncap closing lid and information of test tube functions, closing lid of the uncapping function such as reads and passes through After test tube cap clamping device clamps test tube cap, realization is moved up and down using elevating mechanism driving test tube cap clamping device and uncaps and closes Lid.Information read functions, which mainly pass through test tube rotating mechanism and pick up test tube, is moved to bar code scan mechanism position, and Spin tubes are realized.

However, there is also following shortcomings for the above-mentioned prior art:

1, structure is complicated, and occupied space is big, higher cost.In patent CN201710798969.1 take a blood sample pipe clamping mechanism with Heparin tube needs 6 power sources to be just able to achieve movement except lid mechanism is total.In patent CN201910494662.1,5 are needed to move The cooperation in power source could complete uncap closing lid and information read action, if adding the transport of test tube, at least be also required to 6 power Source；

2, function is not perfect.Heparin tube automatic lid closing/opening apparatus described in patent CN201710798969.1 cannot automatically into The reading of row test tube information；

3, compatibility is not strong.Patent CN201910494662.1 pilot scale bottom of the tube used by clamping is held by rack for test tube The elastic force of elastic part in portion is set to clamp to test tube bottom, such structure is unable to the test tube of compatible many kinds of specification, simultaneously The size of chucking power not can control, and the case where clamping force is inadequate, skids easily occurs, so that it cannot be guaranteed that test tube cap is smoothly opened It closes；

4, process is cumbersome.In patent CN201910494662.1 when carrying out test tube outer wall bar code scanning, first benefit is needed Test tube is picked up with test tube rotating mechanism, bar code scan mechanism position is gone to and is scanned, again by test tube after the completion of scanning It puts back to and carries out closing lid of uncapping in rack for test tube holding part, this process is excessively cumbersome.

Summary of the invention

The object of the invention is that providing a kind of clamping device to solve the above-mentioned problems, uncapping and cap system and open Lid closing lid method.

To achieve the goals above, the disclosure provides a kind of clamping device, clamping device include guiding element, support member, folder and Force piece, the force piece for driving support member to rotate are fixed with support member, and folder includes that at least two clamping bars, clamping bar end is mutually leaned on Near-earth is obliquely installed, and clamping bar is slideably connect with support member, and clamping bar glide direction is parallel with its inclined direction, and guiding element fixation is set It sets, folder and guiding element worm drive, the clamping bar end rotated under the action of worm drive with support member is close to each other or far from folder Hold object.

It uncaps cap system, cap system of uncapping includes above-mentioned clamping device, further includes:

Conveyer for transporting clamping device to folding lid position, conveyer are fixed with clamping device；

For reading the scanner of information, scanner is installed on the side that clamping device transports track；

Elevating mechanism and for press from both sides lid clamping jaw, for drive clamping jaw go up and down elevating mechanism fixed with clamping jaw, clamping jaw is set Set the top in folding lid position.

Closing lid of uncapping method, applied to above-mentioned cap system of uncapping, comprising the following steps:

Clamping object is placed between the clamping bar of clamping device by S1, and conveyer drives clamping device mobile, and controller opens The force piece of dynamic clamping device, clamping bar end are close to clamping object；

S2, gripping means grips clamping object simultaneously drive clamping object rotation, the clamping device warp in clamping object rotary course Device is over-scanned, torque limiter reaches disengaged position after setting value, power to read information within clamping object one week for scanner scanning Part and the separated power of support member transmit；

S3, when controller receives the signal of position sensor I monitoring clamping device arrival folding lid position, controller control Force piece and conveyer stop, and control elevating mechanism starting, and elevating mechanism drives clamping jaw decline；

S4, when controller receives the signal of position sensor II monitoring clamping jaw in place, controller control elevating mechanism stops Only, and clamping jaw movement is controlled to clamp the lid of clamping object, then start elevating mechanism and clamping jaw is driven to rise, realization is uncapped；

S5, starting elevating mechanism drive clamping jaw decline, and controller receives position sensor II monitoring clamping jaw in place again When signal, then controller control clamping jaw movement starts elevating mechanism and clamping jaw is driven to rise, realize to unclamp the lid for clamping object Closing lid.

The beneficial effects of the present invention are:

Clamping device of the present invention, clamping bar and support member, being coupled for guiding element are realized by one power source of force piece It completes to clamp two, the test tube movements of test tube and rotation, so as to greatly reduce the volume of single unit system, the complexity of structure Degree and cost, meanwhile, clamping bar is with respect to supports slide, to can control sliding of the clamping bar in support member to realize at least two Clamping bar adapts to the test tube of clamping different tube diameters；

Cap system of the present invention of uncapping, by it is existing about uncap, closing lid and information read device It improves, solves the problems, such as that equipment cost is high, structure is complicated, process is cumbersome and not strong to test tube compatibility, three can be passed through Power source can be achieved with easily carrying out the reading of test tube information and can uncap to the vacuum test tube of various outer diameter, height With closing lid.

Based on the above technical solution, the present invention can also be improved as follows.

Further, it is tiltedly installed with sliding slot in support member, clamping bar can be along slot to being slidably set in sliding slot.

Further, clamping bar is equipped with external screw thread, and thread segment, the screw thread on external screw thread and guiding element on clamping bar is arranged in guiding element Section engagement.

Further, clamping device further includes torque limiter, for transmitting power and disconnecting the torque limit of power transmitting Device processed is arranged between force piece and support member.

Further, the power output shaft of force piece and guiding element, support member, torque limiter are coaxially disposed, at least two folders Bar is distributed in a ring around its axis.

Further, the buffering for buffering the clamping force that clamping bar generates clamping object is provided between clamping bar and clamping object Part.

Further, cap system of uncapping further includes controller, conveyer, clamping device, elevating mechanism and clamping jaw point It Tong Guo not communication module and controller progress signal connection.

Further, cap system of uncapping further includes displacement sensor I, for monitoring the displacement sensing of clamping device in place Device I is arranged at folding lid position, and displacement sensor I is connect by communication module with controller signals.

Further, cap system of uncapping further includes displacement sensor II, for monitoring the displacement sensor of clamping jaw in place II is set to and covers same eminence, and displacement sensor II is connect by communication module with controller signals.

Detailed description of the invention

Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:

Fig. 1 is structural schematic diagram when clamping device of the present invention clamps test tube；

Fig. 2 is structural schematic diagram when clamping device of the present invention does not clamp test tube；

Fig. 3 is clamping device mounting and dismounting schematic diagram of the present invention；

Fig. 4 is the structural schematic diagram of support member of the present invention；

Fig. 5 is the structural schematic diagram of guiding element of the present invention；

Fig. 6 is the structural schematic diagram of cap system of the present invention of uncapping；

Fig. 7 is the flow chart of closing lid method of the present invention of uncapping.

Description of symbols

1- bottom plate, 2- motor body I, 3- test tube, 4- scanner, 5- motor body II, 6- clamping jaw, 7- clamping device, 8- Supporting vertical plate, 9- screw rod I, 10- screw rod II, 11- clamping jaw bracket, 701- motor, 702- linear guide, 703- mounting plate, 705- Support plate, 706- torque limiter, 707- connecting plate, 708- clamping bar, 709- support member, 709a- slide opening, 710- guiding element, 710a- spiral shell Line section, 711- positioning bead.

Specific embodiment

It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is normally based on attached drawing Shown in orientation or positional relationship be defined, specifically can refer to page shown in FIG. 1 and combine corresponding components Positional relationship in the other drawings.In the following description when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different attached drawings Indicate the same or similar element.In addition test tube 3 is the clamping object of the present embodiment, is only added for ease of description, is not this The necessary component of invention.

As shown in Figure 1, Figure 2 and Figure 3, clamping device 7 of the present invention includes guiding element 710, support member 709, folder, power Part, torque limiter 706 and bolster.

Force piece and support member 709 for driving support member 709 to rotate is fixed.Force piece is specially motor 701, motor 701 It is fixed on mounting plate 703, the power output shaft of motor 701 is vertically arranged.

The power output shaft of torque limiter 706 and motor 701 for transmitting power and disconnecting power transmitting is keyed, The power output shaft of torque limiter 706 and motor 701 is coaxially disposed, and torque limiter 706 is arranged in force piece and support member 709 Between.When torque limiter 706 is in meshing state, torque limiter 706 transmits the power of motor 701 to support member 709, makes Support member 709 is rotated with power output shaft, and when torque limiter 706 is in disengaged position, torque limiter 706 disconnects motor Power transmitting between 701 and support member 709, rotates support member 709 with power output shaft.

Support member 709 is formed as tube-in-tube structure, and slide opening 709a is tiltedly installed in support member 709, and slide opening 709a runs through support member 709 Side wall setting.Support member 709 is sleeved on 706 top of torque limiter, and support member 709 passes through connecting plate 707 and torque limiter 706 Installation is fixed, and support member 709 and torque limiter 706 are coaxially disposed.

Folder includes four clamping bars 708, and external screw thread is provided on clamping bar 708, and the inclination of clamping bar 708 is inserted into slide opening 709a, Clamping bar 708 can be slided along hole.The setting close to each other of the upper end of four clamping bars 708, and the upper end of clamping bar 708 is set as vertical Notch, to accommodate test tube 3.Clamping bar 708 is arranged through 709 side wall of support member, and four clamping bars 708 are in around 709 central axes of support member Annular spread.Clamping bar 708 rotates with it when support member 709 rotates.

Guiding element 710 is formed as tube-in-tube structure, and guiding element 710 is set in 709 outside of support member, and support member 709 is coaxially set with guiding element 710 It sets, rotatable positioning bead 711 is provided on 710 barrel of guiding element, positioning bead 711 is contacted with 709 outer wall of support member, plays axial direction and diameter To the effect of positioning.It is installed and is fixed by the setting of support plate 705 between guiding element 710 and mounting plate 703.Folder and guiding element 710 Worm drive, specifically, guiding element 710 are contacted with 708 part of clamping bar outside support member 709 is stayed, and guiding element 710 connects with clamping bar 708 A ring thread segment 710a is arranged in the part of touching, and the external screw thread on clamping bar 708 is engaged with the thread segment 710a on guiding element 710.

When clamping bar 708 is rotated with support member 709, guiding element 710 is fixed, and 708 external screw thread of clamping bar is always maintained at and guiding element 710 Thread segment 710a engagement, generates worm drive between clamping bar 708 and guiding element 710, clamping bar 708 is along cunning under the action of worm drive Hole 709a sliding.When four clamping bars 708 are moved up along slide opening 709a, 708 upper end of clamping bar test tube 3 close to each other is realized and clamps function Energy.When four clamping bars 708 are moved down along slide opening 709a, 708 upper end of clamping bar is located remotely from each other test tube 3, realizes release function.

709 inside of support member is set to the bolster for the clamping force that test tube 3 generates for buffering clamping bar 708, is set on bolster It is equipped with the groove for holding test tubes 3, clamping bar 708 and the outer side contacts of bolster, when the test tube 3 close to each other of 708 upper end of clamping bar, Clamping bar 708 realizes the clamping of test tube 3 by squeezing bolster.Clamping bar 708 tentatively squeezes bolster, realizes to the pre- of test tube 3 It clamps, the rotation of support member 709 and clamping bar 708 can drive test tube 3 to rotate at this time, and support member 709 continues to rotate, and clamping bar 708 continues Bolster is squeezed, realizes the continuous reinforcement to 3 clamping force of test tube.

As shown in fig. 6, cap system of uncapping includes above-mentioned clamping device 7 the invention further relates to cap system of uncapping, also wrap Include conveyer, scanner 4, elevating mechanism, clamping jaw 6, displacement sensor I, displacement sensor II, controller and rack.

Rack includes bottom plate 1 and supporting vertical plate 8, and supporting vertical plate 8 is vertically installed on bottom plate 1.

Conveyer for transporting clamping device 7 to folding lid position is specially horizontally disposed lead screw stepper motor I, silk Thick stick stepper motor I includes motor body I2, feed screw nut I and screw rod I9.Motor body I2 is fixed on bottom plate 1, clamping device 7 Mounting plate 703 and feed screw nut I be fixedly mounted, be arranged between mounting plate 703 and the mounting plate 703 and bottom plate 1 of clamping device 7 There are linear guide 702, mounting plate 703 and bottom plate 1 to pass through the removable connection of linear guide 702.

Motor body I2 controls screw rod I9 rotation, and feed screw nut I straight horizontal on screw rod I9 is mobile when screw rod I9 is rotated, Clamping device 7 makees straight horizontal movement with feed screw nut I.Track, i.e. the one of screw rod I9 are transported along clamping device 7 on bottom plate 1 Side, which is successively set, places position, scanning position and folding lid position, places test tube 3 to be detected at position in placing, carries out at scanning position Scan operation to test tube 3, progress test tube 3 is uncapped at closing lid position of uncapping, closing lid operates.

Scanner 4 is installed at scanning position, and scanner 4 is for reading the bar code information pasted on test tube 3.

Elevating mechanism is mounted in supporting vertical plate 8, the lead screw stepper motor II that elevating mechanism is specifically vertically arranged, lead screw Stepper motor II includes motor body II5, feed screw nut II and screw rod II10.Motor body II5 is fixed in supporting vertical plate 8.

Clamping jaw bracket 11 is fixed in supporting vertical plate 8, and clamping jaw 6 can be connect to vertical sliding with clamping jaw bracket 11.For grabbing The clamping jaw 6 for taking test tube 3 to cover makees opening and closing movement by electrical control claw, and the surface of folding lid position is arranged in clamping jaw 6.Clamping jaw 6 with Feed screw nut II is fixedly mounted.Motor body II5 controls screw rod II10 rotation, and feed screw nut II is in screw rod when screw rod II10 is rotated The upper linear vertical of II10 is mobile, and clamping jaw 6 makees straightforward vertical movement with feed screw nut II on clamping jaw bracket 11.

For monitoring the test tube 3 clamped on clamping device 7, whether displacement sensor I in place is arranged at folding lid position, Displacement sensor I transmits signal in place to controller by communication module.

For monitoring clamping jaw 6, whether displacement sensor II in place is mounted on supporting vertical plate 8, and with 3 Gai Tonggao of test tube Place, displacement sensor II transmit signal in place to controller by communication module.

Conveyer, clamping device 7, elevating mechanism and clamping jaw 6 carry out signal company by communication module and controller respectively It connects.Controller sends start stop signal to conveyer, clamping device 7, elevating mechanism, and controller sends folding signal to clamping jaw 6.

As shown in fig. 7, closing lid method of uncapping, applied to above-mentioned cap system of uncapping, comprising the following steps:

1, clamping device 7, which is placed in, places position, and clamping bar 708 in opened condition, test tube 3 is placed in slow between clamping bar 708 In stamping groove；

2, open system controller, conveyer drive clamping device 7 mobile to scanner 4, and controller control clamping 7 motor 701 of device rotates forward, and 708 end of clamping bar is close to test tube 3, and motor 701 stops after realizing pre- clamp；

3, when test tube 3 is reached at scanning position, clamping bar 708 has realized pre- clamping to test tube 3, and motor 701 rotates forward again, clamping dress It sets 7 to clamp test tube 3 and test tube 3 is driven to rotate, clamping device 7 is scanned device 4 in 3 rotary course of test tube, and scanner 4 is swept Test tube is retouched 3 one weeks to read the bar code information pasted on 3 outer wall of test tube；

4, motor 701 continues to rotate forward, 708 continuous extrusion bolster of clamping bar, realizes the continuous clamping to test tube 3, torque limit Device 706 processed reaches disengaged position after setting value, and the separated power transmitting of force piece and support member 709, test tube 3 is clamped solid It is fixed；

5, when test tube 3 reaches folding lid position, position sensor I sends signal in place to controller, and controller receives in place After signal, controller controls force piece and conveyer stops, and controls elevating mechanism starting, and it is in open state that elevating mechanism, which drives, Clamping jaw 6 decline；

6, clamping jaw 6 reaches at 3 lid of test tube, and position sensor II sends signal in place to controller, and controller receives in place After signal, controller, which controls elevating mechanism, to be stopped, and controls the closure of clamping jaw 6 to clamp the lid of test tube 3, then starts elevating mechanism band Dynamic clamping jaw 6 rises, and realization is uncapped；

7, after test tube 3 is uncapped, sample extraction is carried out；

8, after the completion of sample extraction, starting elevating mechanism drives clamping jaw 6 to decline, and controller receives position sensor II again When monitoring the signal of clamping jaw 6 in place, controller control clamping jaw 6 is opened to unclamp the lid of test tube 3, is then started elevating mechanism and is driven folder Pawl 6 rises, and realizes closing lid；

9, after test tube 3 completes closing lid, conveyer transports test tube 3 and resets to position, torque limiter 706 is placed, control control 7 motor 701 of clamping device reversion processed, 708 upper end of clamping bar take out the test tube 3 that closing lid is completed, can terminate to flow far from test tube 3 Journey is put into new test tube to be detected 3, carries out uncap closing lid and the information reading of next round.

Aiming at the deficiencies in the prior art, the present invention, which provides one kind, can be compatible with different size vacuum test tube 3, automatically Read sample information, and be automatically performed test tube 3 uncap, the clamping device 7 of closing lid and cap system of uncapping.Clamping device 7 passes through Clamping bar 708 is mounted on support member 709 and tilts in slide opening 709a, and 708 external screw thread of clamping bar and the thread segment 710a phase of guiding element 710 are nibbled It closes, can be realized and complete to clamp test tube 3 by a power source and test tube 3 is made to rotate two movements, so as to greatly Reduce volume, the complexity of structure and the cost of single unit system.Meanwhile because clamping bar 708 can tilt slide opening in support member 709 It is moved in 709a, so the clamping device 7 can pass through the flexible vacuum test tube 3 to adapt to different tube diameters of clamping bar 708.In addition, Clamping bar 708 is evenly arranged on 709 circumferencial direction of support member, and the stroke of each clamping bar 708 is consistent, so that the clamping device 7 With good centering function, so as to guarantee during uncapping, clamping jaw 6 can keep concentric with test tube 3, can to avoid because Clamping jaw 6 and 3 decentraction of test tube cause uncap failure or damage test tube 3.

In addition, being additionally provided with torque limiter 706 in clamping device 7, it can make test tube 3 during clamping, control folder Holding force while can providing enough clamping forces and keeps clamping force excessive, makes to vacuum test tube 3 in controlled range At damage.

The present invention by it is existing about uncap, the improvement of closing lid and information read device, solve equipment cost Height, structure is complicated, process is cumbersome and the problem not strong to 3 compatibility of test tube, can be achieved with letter by three power sources Just carry out 3 information of test tube read and can the vacuum test tube 3 to various outer diameter, height uncapped and closing lid.

The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.

In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.