CN208344944U - Low temperature automatic sample conveying device - Google Patents

Abstract

The utility model discloses a kind of low temperature automatic sample conveying devices, it include: equipment box, sample frame, delivery device, low temperature conveying mechanism and transfer device, delivery device, low temperature conveying mechanism and transfer device are sequentially sequentially arranged on equipment box, the sample frame for filling sample is placed in the corresponding position of delivery device, sample is pushed to one by one by low temperature conveying mechanism by delivery device, sample isothermal holding in low temperature conveying mechanism, sample is grabbed from low temperature conveying mechanism by transfer device after heat preservation, finally sample is transferred on test host work position.It when sample transports in incubator, is not contacted each other between adjacent samples, avoids sample adhesion problems；Sample is not in contact with the cabinet of incubator, avoids sample clamping stagnation problem；Sample transhipment is carried out between incubator and test host work position using manipulator, improves transhipment degree of safety.

Description

Low temperature automatic sample conveying device

Technical field

The utility model relates to metal material experimental rig field more particularly to a kind of Charpy notch low temperature of metal material Impact test apparatus.

Background technique

When to metal material research, the Charpy notch low-temperature impact test of metal material is usually carried out, is needed at this time pair Metal material sample carries out low-temperature insulation processing, and some technical specifications and term being directed to are as follows:

Testing standard: ISO 148.1-2006 metal material Charpy pendulum impact test, GB-T 229-2007 metal Charpy Nick break test method, ISO 1456 etc.；

Keep the temperature duration: sample is in the real time in low-temperature insulation medium；

Sample transfer time: it is carried out in the range of ± 2 DEG C of predetermined temperature for guarantee test, by sample by low temperature chamber It is fetched into the time that test is completed.

The size of sample requirement of Charpy notch low-temperature impact test is limited, and common size of sample size only has 5*10*55mm With 10*10*55mm two types bar.

Low temperature automatic sample conveying device is generally made of sample frame, sample feeding mechanism, heat preservation mechanism, sample transfer device etc., this Class device keeps the temperature in heat preservation mechanism using cryogenic media circulation, to carry out low-temperature treatment to sample, then passes through examination Sample transfer device takes out sample from heat preservation mechanism, send to the operating position of test host.Existing automatic sample conveying device is adopted With the heat preserving mode of cryostat, cryogenic media and sample isolation, next to shifting conveying in cryostat, between sample.

A) it is inevitably contacted for a long time with air at room temperature in insulating process due to sample, and in the conveying of sample It is bonded between two samples without interval in the process, steam is condensed in specimen surface in air, so as to cause two sample adhesions；

B) also due in air steam influence, the outlet port of moist closet largely freeze cause conveying specimen In there is catching phenomenon.

Utility model content

Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, and it is automatic to provide a kind of low temperature Sample conveying device.

The technical scheme in the invention for solving the above technical problem is: a kind of low temperature automatic sample conveying device, comprising: Equipment box, sample frame, delivery device, low temperature conveying mechanism and transfer device, delivery device, low temperature conveying mechanism and transfer Mechanism is sequentially sequentially arranged on equipment box, and the sample frame for filling sample is placed in the corresponding position of delivery device, by Sample is pushed to low temperature conveying mechanism, sample isothermal holding in low temperature conveying mechanism, after heat preservation one by one by delivery device Sample is grabbed from low temperature conveying mechanism by transfer device, finally sample is transferred on test host work position；The low temperature Conveying mechanism includes: mounted in the intracorporal incubator of equipment box, the rack for being mounted on incubator upper end, enters sample component, out sample component And low temperature transmission assembly, enter sample component, go out sample component and low temperature transmission assembly by rack installation, is accepted by entering sample component Sample is sent into incubator by delivery device, send sample to out from the stepping of sample end is entered by the low temperature transmission assembly in incubator Sample end, then sent out sample by going out sample component.

The low temperature transmission assembly includes: the stepping guide rail being arranged in incubator, stepping plate and eccentric shaft and setting Stepper motor outside incubator, stepping guide rail are equipped with two and are parallel to each other, and stepping plate is between two stepping guide rails, stepping Plate upper surface and stepping guide rail upper surface or so are arranged at intervals with convex block, and one end of eccentric shaft is stretched out from stepping guide rail side, separately One end is plugged on stepping plate side, and stepper motor is connected to one end that eccentric shaft stretches out stepping guide rail, stepping electricity by driving member Machine drives the rotation of eccentric shaft one end, so that the eccentric shaft other end is able to drive stepping plate and does circular translational.

The driving member includes: one and passes through the first connecting rod of incubator, is hinged on the second of connecting rod two end by pin shaft Connecting rod and third connecting rod, second connecting rod connect stepper motor output shaft, and third connecting rod is socketed eccentric shaft one end.

The transfer device includes: mechanical finger and rodless cylinder, and mechanical finger is installed on rodless cylinder, by no bar gas Cylinder drives mechanical finger movement, and the sample that mechanical finger is removed from sample component out is sent to test host work position；It is described Mechanical finger includes: sampling finger clamp, finger cylinder, top sample cylinder and stretches out cylinder, and sampling finger clamp is mounted on finger gas On the movable finger of cylinder, top sample cylinder is mounted on the upper surface of finger cylinder, and top sample guide rail, a top are also equipped in finger cylinder The sliding plug of sample bar is in the sample guide rail of top, and the one end for pushing up sample bar is connect with the push rod of top sample cylinder, and the other end is connected with top sample spring Piece, top sample reed are located between sampling finger clamp；The lower end surface of finger cylinder is stretched out on sliding rail by stretching out sliding block and being mounted on, and is stretched Sliding rail is mounted on finger bottom plate out, and the push rod of stretches out cylinder is connect with finger cylinder, drives finger cylinder to exist by stretches out cylinder It stretches out on sliding rail and slides.

The delivery device includes: that push cylinder, push sliding rail, push sliding block and push rod, push cylinder pass through perpendicular Vertical slideway support plate is fixedly mounted, and push sliding block is slidably mounted on push sliding rail, and the movable rod end of push cylinder, which stretches out, to be slided Road support plate, and it is fixedly connected on push sliding block side by pushing connecting plate, the other side for pushing sliding block passes through push connection Plate is also fixedly connected with one end of push rod, and the other end of push rod passes through slideway support plate, drives push rod edge by push cylinder Push sliding rail movement.

It is described enter sample component include: into sample cylinder, enter sample sliding block and enter sample hook, enter sample cylinder and be mounted on the rack, The power rail for entering sample cylinder extends downwardly, and enters sample sliding block and is connected to the bottom end into sample cylinder power rail, and the side for entering sample sliding block is solid The top into sample hook is connected calmly, is provided with sample inlet port on incubator, is driven by entering sample cylinder into sample hook discrepancy sample inlet port, will be tried Sample, which is sent to stepping guide rail, enters sample end, it is described enter sample hook top be provided with the sample inlet port lid that can be covered in sample inlet port；It is described go out Sample component include: out sample cylinder, go out sample sliding block and sample hook out, sample cylinder is mounted on the rack out, out the power of sample cylinder Bar extends downwardly, and sample sliding block is connected to out the bottom end of sample cylinder power rail out, and the side of sample sliding block is fixedly connected with out sample hook out Top, be provided with outlet on incubator, drive out sample hook to enter and leave outlet by going out sample cylinder, by stepping guide rail sample outlet end Sample takes out.The top of the sample hook out is provided with the outlet lid that can be covered in outlet.

The incubator includes: the internal box and outer case of interior outer double-layer structure, the surrounding side of internal box and bottom surface with There are the gap of filled polytetrafluoroethylene foaming thermal-insulating between outer case, the top of incubator is equipped with insulation board, insulation board Interior box opening is corresponded to, insulation case lid is stamped in the opening, is provided with cryotronl in internal box, cryotronl stretches out incubator and outer The connection of portion's cold temperature source；Be also equipped with stirring system on incubator, stirring system include: the stirring motor that is mounted in insulation case lid with And the agitating paddle in internal box is set.

The rack includes: that quadrangle symmetrically inserts solid four support columns in insulation case lid, is mounted on support top end One top plate and two attachment base of bilateral symmetry for being fixed on every two support column bottom ends, attachment base is located in internal box, from heat preservation It is cased with support sleeve on case lid to the support column of attachment base section, enters sample cylinder and sample cylinder is mounted on top plate out, the stepping Guide rail baffle is housed, guide rail baffle is fixedly mounted on two attachment bases on the outside of guide rail.

The sample frame includes: the examination of sample frame top plate and sample frame bottom plate and support setting up and down therebetween Sample rack motion bar, sample frame fixed link and sample frame V-type bar, two sample frame fixed links are symmetricly set on sample frame V-type bar The cross section of two sides, sample frame V-type bar is in the shape of the letter V, and sample frame motion bar is corresponding with the tip V of sample frame V-type bar, the two Between there are gap, the tip the V bottom end of sample frame V-type bar is cut out tip and scabbles certain altitude so that lowermost end sample slit Mouth will not be stuck.

The equipment box side is provided with electric box, electric box include: cabinet, mounted in tank surface touch screen and Mounted in the case side plate of body side.

Compared with prior art, the utility model has the beneficial effects that

A. it when sample transports in incubator, is not contacted each other between adjacent samples, avoids sample adhesion problems；

B. sample is not in contact with the cabinet of incubator, avoids sample clamping stagnation problem；

C. sample transhipment is carried out between incubator and test host work position using manipulator, improves transhipment safety Degree；

D. since the mode of movement of sample in incubator is step cycle formula, therefore by setting motor speed, sample can be made As entering sample end, to be moved to the time used in sample outlet end identical as heat preservation duration, thus after realizing that first sample start test, until All samples complete test, and centre is not necessarily to pause and wait, continuous uninterrupted completion conveying.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, in which:

Fig. 1 is the overall structure diagram of the utility model preferred embodiment；

Fig. 2 is the sample frame schematic diagram of the utility model preferred embodiment；

Fig. 3 is the sample frame schematic diagram that the utility model preferred embodiment is equipped with sample；

Fig. 4 is the delivery device schematic diagram of the utility model preferred embodiment；

Fig. 5 is the low temperature conveying mechanism sectional view of the utility model preferred embodiment；

Fig. 6 is the low temperature conveying mechanism interior view of the utility model preferred embodiment；

Fig. 7 is the transfer device schematic diagram of the utility model preferred embodiment；

Fig. 8 is the mechanical finger schematic diagram of the utility model preferred embodiment；

Fig. 9 is the electric box schematic diagram of the utility model preferred embodiment；

Figure 10 is the outline structural diagram of the utility model preferred embodiment.

Specific embodiment

Below in conjunction with attached drawing and specific embodiment, the utility model is described further.In preferred embodiment Cited such as "upper", "lower", "left", "right", " centre " and " one " term, only being illustrated convenient for narration, rather than to The enforceable range of the utility model is limited, relativeness is altered or modified, under the content of no substantial changes in technology, when also It is considered as the enforceable scope of the utility model.

Referring to Figure 1 and Figure 10, a kind of low temperature automatic sample conveying device of the utility model preferred embodiment design are main to wrap It includes: equipment box 100, sample frame 200, delivery device 300, low temperature conveying mechanism 400 and transfer device 500, delivery device 300, low temperature conveying mechanism 400 and transfer device 500 are sequentially sequentially arranged on equipment box 100.The examination of sample will be filled Sample rack 200 is placed in the corresponding position of delivery device 300, and sample is pushed to low temperature conveying mechanism one by one by delivery device 300 400 enter sample end, and sample isothermal holding in low temperature conveying mechanism 400 conveys by transfer device 500 from low temperature after heat preservation The sample outlet end of mechanism 400 grabs sample, and finally sample is transferred on test host work position.

Refer to Fig. 2 and Fig. 3, sample frame 200 include: sample frame top plate 201 and sample frame bottom plate 202 setting up and down with And sample frame motion bar 203, sample frame fixed link 204 and the sample frame V-type bar 205 of support therebetween, two sample frames Fixed link 204 is symmetricly set on the two sides of sample frame V-type bar 205, and the cross section of sample frame V-type bar 205 is in the shape of the letter V, and sample Frame motion bar 203 is corresponding with the tip V of sample frame V-type bar 205, and between the two there are gap, sample 1 stacks and is put into the sky In gap, the corresponding tip V for being stuck in sample frame V-type bar 205 of the notch of sample 1.The tip the V bottom end of sample frame V-type bar 205 is cut out Certain altitude is scabbled in tip, so that the sample gap of lowermost end will not be stuck, pushes convenient for sample, when the sample quilt of lowermost end After seeing off, sample above integrally falls, and then pushes the sample of lowermost end again, until the sample of entire sample frame is all pushed away It sees off.

The utility model lists the specimen size of two kinds of specifications, and the corresponding larger specification examination of height is scabbled in the tip V bottom end Sample ruler cun, a sample can only once be pushed out by limiting sample frame；When filling small dimension sample, in order to meet push request, It is provided with the adjusting thimble 206 of protrusion in the face of scabbling of the tip V bottom end, adjusts thimble 206 and is screwed in from rear end, for blocking down Second small dimension sample of number, makes two samples be separated from each other.

Fig. 4 is referred to, delivery device 300 includes: push cylinder 301, push sliding rail 302, push sliding block 303 and push Bar 304, push cylinder 301 are fixedly mounted by the slideway support plate 305 erect, and push sliding rail 302 is mounted on push bottom plate 306 On, push sliding block 303 is slidably mounted on push sliding rail 302.The movable rod end of push cylinder 301 stretches out slideway support plate 305, And it is fixedly connected on push 303 side of sliding block by pushing connecting plate 307, the other side of push sliding block 303 passes through push connection Plate 307 is also fixedly connected with one end of push rod 304, and the other end of push rod 304 passes through slideway support plate 305.By push cylinder Push rod is driven to move along push sliding rail, the one end for making push rod pass through slideway support plate 305 realizes push sample to entering sample The purpose of component.

Shield 308 is covered on push cylinder 301, push bottom plate 306 on by partition pillar 309 be covered with protection every Plate 310.

Refer to Fig. 5 and Fig. 6, low temperature conveying mechanism 400 includes: incubator, rack, enter sample component, go out sample component and Low temperature transmission assembly, rack are mounted on the upper end of incubator, enter sample component, go out sample component and low temperature transmission assembly and pass through machine Frame installation, by enter sample component by sample from outside be sent into incubator in, by the low temperature transmission assembly in incubator by sample from Enter the continuously stepping of sample end to send to sample outlet end, sample is finally taken out into subsequent processing again by going out sample component.Low temperature conveyer Structure 400 is covered by case cover package, for isothermal holding.

The top surface of equipment box 100 is substrate 101, and incubator is mounted in 101 or less substrate.Incubator includes: inside and outside bilayer The internal box 411 and outer case 412 of structure, there are gap between the surrounding side of internal box and bottom surface and outer case, in gap Filled polytetrafluoroethylene foaming thermal-insulating.The top of incubator is equipped with insulation board, and insulation board corresponds to the opening of internal box 411, Insulation case lid 413 is stamped in the opening, the upper end plate of insulation case lid 413 is embedded at the middle part of substrate 101.In internal box 411 It is provided with cryotronl 414, cryotronl 414 stretches out incubator and connect with outer low temperature source.Stirring system is also equipped on incubator, Stirring system include: the stirring motor 415 being mounted in insulation case lid 413, the agitating paddle being arranged in internal box 411 416 with And the connector across both connections of insulation case lid 413, stirring system keep the temperature in internal box 411 more uniform.

Rack includes: that quadrangle symmetrically inserts solid four support columns 421 in insulation case lid 413, is mounted on the top of support column 421 One top plate 422 at end and two attachment base 423 of bilateral symmetry for being fixed on 421 bottom end of every two support columns, attachment base 423 are located at In internal box 411, from insulation case lid 413 to support sleeve 424 is cased on 423 sections of attachment base of support column 421, in order to consolidate branch Support support column 421.

The unfolding mode of insulation case lid 413 is fixed with two foundation columns 417 on the substrate 101, and 417 top of pilum is equipped with envelope Plate 418, the middle part of sealing plate 418 are equipped with lifting handwheel 419, and lifting handwheel 419 controls rotation and lifting lead screw 425, elevating screw 425 The fixed grafting top plate 422 of nut slider, by rotation and lifting handwheel 419, controlroof 422 moves up and down, and passes through top plate 422 Drive insulation case lid 413, rack and the movement of low temperature transmission assembly.

Enter sample component to include: into sample cylinder 431, enter sample sliding block 432 and enter sample hook 433, enters sample cylinder 431 and be mounted on On top plate 422, the power rail for entering sample cylinder 431 extends downwardly top plate 422, enter sample sliding block 432 by floating junction be connected into The bottom end of 431 power rail of sample cylinder is driven by entering sample cylinder 431 and is moved up and down into sample sliding block 432.Enter the two sides of sample sliding block 432 It is fitted with into sample linear bearing 434, two, which enter sample linear bearing 434, distinguishes loop on two support columns 421 of left and right side, enters sample Sliding block 432 is slided up and down along support column 421 with entering sample linear bearing 434.The side for entering sample sliding block 432 is connected by hook Block is fixedly connected with the top into sample hook 433, enters sample sliding block 432 and drives and moves synchronously into sample hook 433.In insulation case lid 413 It is provided with the sample inlet port for fitting into the discrepancy of sample hook 433, the stretching heat preservation of its bottom end claw can be moved up to by entering sample hook 433 Case, sample can be pushed mechanism and send to claw at this time, enter sample hook 433 and can move downward to protrude into incubator to its bottom end pawl Portion is located at the side of attachment base 423, and sample can be placed on low temperature transmission assembly at this time.Entering the top of sample hook 433 also It is provided with sample inlet port lid 435, when entering sample hook 433 and protruding into incubator, sample inlet port lid 435 can be covered on sample inlet port.

Out sample component include: out sample cylinder 441, go out sample sliding block 442 and sample hook 443 out, sample cylinder 441 is mounted on out On top plate 422, the power rail of sample cylinder 441 extends downwardly top plate 422 out, and sample sliding block 442 is connected to out by floating junction out The bottom end of 441 power rail of sample cylinder drives out sample sliding block 442 to move up and down by going out sample cylinder 441.The two sides of sample sliding block 442 out It is fitted with out sample linear bearing 444, two, which go out sample linear bearing 444, distinguishes loop on two support columns 421 of the left and right other side, out Sample sliding block 442 is slided up and down with sample linear bearing 444 out along support column 421.The side of sample sliding block 442 is fixedly connected out out The top of sample hook 443, sample sliding block 442 drives out sample hook 443 to move synchronously out, is provided in insulation case lid 413 and cooperates sample out The outlet that hook 443 enters and leaves, sample hook 443, which can move downward, out protrudes into incubator to its bottom end claw and is located at attachment base 423 side, the sample on low temperature transmission assembly, which can be transported, at this time is placed on claw, and sample hook 443 can be transported upwards out It moves to its bottom end claw and stretches out incubator, sample, which can be transferred mechanism and take away, at this time is tested.On the top of sample hook 443 out End is additionally provided with outlet lid 445, and when sample hook 443 protrudes into incubator out, outlet lid 445 can be covered on outlet.

Low temperature transmission assembly includes: stepping guide rail 451, stepping plate 452, eccentric shaft 453 and stepper motor 454.Stepping Guide rail 451 is equipped with two and is parallel to each other, and guide rail baffle 455, the fixed peace of guide rail baffle 455 are housed on the outside of stepping guide rail 451 On two attachment bases 423, the upper surface or so of stepping guide rail 451 is equidistantly provided with convex block, between every two adjacent convex blocks A sample can be placed.The upper surface of stepping plate 452 is identical as the upper surface shape of stepping guide rail 451, and stepping plate 452 is located at Between two parallel stepping guide rails 451, eccentric shaft 453 is two sections of axle construction, and the central axis of two sections of axis is not straight in same On line, the axis hole that one end of eccentric shaft 453 is opened from 455 side of guide rail baffle stretches out, and the other end is plugged on 452 side of stepping plate. Stepper motor 454 is mounted in insulation case lid 413, and stepper motor 454 is connected to eccentric shaft 453 by driving member and stretches out axis hole One end, stepper motor 454 drives the rotation of 453 one end of eccentric shaft, due to the non-same central axis in 453 both ends of eccentric shaft, so that partially 453 other end of mandrel is able to drive stepping plate 452 and does circular translational.When transmitting sample, enters sample component for sample and be placed on stepping Guide rail one end, the height of stepping plate is not above stepping guide rail at this time；Eccentric shaft drives stepping plate circular translational, stepping plate later It forward and moves upwards, until stepping plate exceeds stepping guide rail and lifts sample；Stepping plate travels forward behind a position, then It moves downward and sample is put back into stepping guide rail, the position that sample is just fed forward at this time；And it is another in stepping guide rail The sample of the last one position of one end can constantly be taken away by sample component out.

Further, driving member includes: one and passes through the first connecting rod 456 of insulation case lid 413, is hinged on by pin shaft The second connecting rod 457 of the second connecting rod 457 and third connecting rod 458 at 456 both ends of connecting rod, upper end connects 454 output shaft of stepper motor, The third connecting rod 458 of lower end is socketed one end that eccentric shaft 453 stretches out axis hole.

Further, stepper motor 454 is double output shaft stepper motor, and the output shaft at both ends is connected separately with transmission Part and eccentric shaft alternately drive stepping plate to move by two eccentric shafts.

Fig. 7 is referred to, transfer device 500 includes: mechanical finger 510 and rodless cylinder 502, and mechanical finger 510 passes through hand Refer to that bracket and transfer connecting plate 503 are installed on rodless cylinder 502, drives mechanical finger 510 to move by rodless cylinder 502, from And the sample that mechanical finger 510 is removed from sample component out is sent to test host work position.By dragging on rodless cylinder 502 Chain mounting rack 504 is equipped with tank chain 505, for carrying out electric signal transmission.

Fig. 8 is referred to, mechanical finger 510 includes: sampling finger clamp 511, finger cylinder 512, top sample cylinder 513 and stretches Cylinder 514 out, sampling finger clamp 511 are mounted on the movable finger of finger cylinder 512, and top sample cylinder 513 is solid by connecting plate Dingan County is mounted in the upper surface of finger cylinder 512, and top sample guide rail 515 is also equipped in finger cylinder 512, and a top sample bar 516 slides It is plugged in the sample guide rail 515 of top, the one end for pushing up sample bar 516 is connect with the push rod of top sample cylinder 513, and the other end is connected with top sample spring Piece 517, top sample reed 517 are located between sampling finger clamp 511.The lower end surface of finger cylinder 512 is by stretching out sliding block sliding peace Mounted in stretching out on sliding rail 518, stretches out sliding rail 518 and be mounted on finger bottom plate 519, stretches out cylinder 514 passes through cylinder mounting plate 520 It is similarly installed on finger bottom plate 519, the push rod of stretches out cylinder 514 is connect with finger cylinder 512, drives finger by stretches out cylinder Cylinder slides on stretching out sliding rail 518, so that controlling sampling finger clamp 511 clamps out sample on sample hook 443.Mechanical finger Valve island 521 be also mounted on finger bottom plate 519 by valve island mounting plate 522.

Fig. 9 is referred to, is additionally provided with electric box 600 in 100 side of equipment box, electric box 600 includes: cabinet 601, dress In the touch screen 602 on 601 surface of cabinet and case side plate 603 mounted in 601 side of cabinet, electric cabinet is for carrying whole device Control system and control function to device.

This programme in order to facilitate understanding, the brief description once present apparatus course of work:

1, sample frame is removed to and filled sample, sample frame is then put back into push position；

2, push cylinder, which retracts, drives push rod to stretch out, and the sample of lowermost end in sample frame is pushed on sample hook；

3, enter the stretching of sample cylinder to drive and be advanced into incubator under sample hook, enter sample for what sample was held on stepping guide rail End；

4, stepping plate circular translational under the drive of stepper motor moves forward a step pitch, works as step after holding up sample When being lower than stepping guide rail into plate, sample is shelved on again on stepping guide rail, and sample has moved forward a step pitch at this time；

5, it repeats the above steps after 4 certain numbers, sample is transported to the sample outlet end of stepping guide rail, is being gone out by going out sample hook Under the retract action of sample cylinder drives, sample is extracted incubator；

6, finger cylinder is opened, and stretches out cylinder is stretched out, and finger cylinder closure samples finger clamp for the sample on sample hook out After clamping, stretches out cylinder is retracted；

7, rodless cylinder acts, and mechanical finger is driven to be moved to test host work position, and stretches out cylinder is stretched out sample It is held on impact anvil block, top sample cylinder stretches out top sample bar, is acted against sample on anvil block by top sample reed, it is made to be close to anvil Seat pushes up sample cylinders retract, and finger cylinder opening puts down sample, and stretches out cylinder retracts, and rodless cylinder movement returns to initial position.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, anyone skilled in the art are not departing within the scope of technical solutions of the utility model, the skill according to the utility model Art any brief introduction modification, equivalent variations and modification substantially to the above embodiments, still fall within the utility model technical side In the range of case.

Claims (10)

1. a kind of low temperature automatic sample conveying device characterized by comprising equipment box, sample frame, delivery device, low temperature conveying Mechanism and transfer device, delivery device, low temperature conveying mechanism and transfer device are sequentially sequentially arranged on equipment box, will The sample frame for filling sample is placed in the corresponding position of delivery device, and sample is pushed to low temperature conveyer one by one by delivery device Structure, sample isothermal holding in low temperature conveying mechanism grab sample from low temperature conveying mechanism by transfer device after heat preservation, most Sample is transferred on test host work position afterwards；The low temperature conveying mechanism include: mounted in the intracorporal incubator of equipment box, Be mounted on the rack of incubator upper end, enter sample component, go out sample component and low temperature transmission assembly, enter sample component, go out sample component and Low temperature transmission assembly is installed by rack, sample is sent into incubator by entering sample component undertaking delivery device, by heat preservation Low temperature transmission assembly in case send sample to sample outlet end from the stepping of sample end is entered, then is sent out sample by going out sample component.

2. low temperature automatic sample conveying device according to claim 1, which is characterized in that the low temperature transmission assembly includes: to set Stepping guide rail, stepping plate and eccentric shaft and the stepper motor being arranged in outside incubator in incubator are set, stepping guide rail is set There are two and be parallel to each other, stepping plate is between two stepping guide rails, and stepping plate upper surface and stepping guide rail upper surface are between left and right Every being provided with convex block, one end of eccentric shaft is stretched out from stepping guide rail side, and the other end is plugged on stepping plate side, and stepper motor is logical It crosses driving member and is connected to one end that eccentric shaft stretches out stepping guide rail, stepper motor drives the rotation of eccentric shaft one end, so that eccentric shaft The other end is able to drive stepping plate and does circular translational.

3. low temperature automatic sample conveying device according to claim 2, which is characterized in that the driving member includes: one and passes through The first connecting rod of incubator, the second connecting rod and third connecting rod that connecting rod two end is hinged on by pin shaft, second connecting rod connect stepping Motor output shaft, third connecting rod are socketed eccentric shaft one end.

4. low temperature automatic sample conveying device according to claim 1, which is characterized in that the transfer device includes: manipulator Refer to and rodless cylinder, mechanical finger be installed on rodless cylinder, by rodless cylinder drive mechanical finger movement, by mechanical finger from The sample removed on sample component out is sent to test host work position；The mechanical finger includes: sampling finger clamp, finger gas Cylinder, top sample cylinder and stretches out cylinder, sampling finger clamp are mounted on the movable finger of finger cylinder, and top sample cylinder is mounted on hand Refer to the upper surface of cylinder, top sample guide rail is also equipped in finger cylinder, a top sample bar sliding plug pushes up sample bar in the sample guide rail of top One end with top sample cylinder push rod connect, the other end be connected with top sample reed, top sample reed be located at sample finger clamp between；Hand Refer to that the lower end surface of cylinder is stretched out on sliding rail by stretching out sliding block and being mounted on, stretches out sliding rail and be mounted on finger bottom plate, stretches out cylinder Push rod connect with finger cylinder, by stretches out cylinder drive finger cylinder stretch out sliding rail on slide.

5. low temperature automatic sample conveying device according to claim 1, which is characterized in that the delivery device includes: push gas Cylinder, push sliding rail, push sliding block and push rod, push cylinder are fixedly mounted by the slideway support plate erect, and push sliding block It is slidably mounted on push sliding rail, the movable rod end of push cylinder stretches out slideway support plate, and connects by the way that push connecting plate is fixed Connect one end that the other side that sliding block is pushed in push sliding block side is also fixedly connected with push rod by pushing connecting plate, push rod The other end pass through slideway support plate, by push cylinder drive push rod along push sliding rail move.

6. low temperature automatic sample conveying device according to claim 2, which is characterized in that it is described enter sample component include: into sample gas Cylinder enters sample sliding block and enters sample hook, enters sample cylinder and is mounted on the rack, and the power rail for entering sample cylinder extends downwardly, and it is sliding to enter sample Block is connected to the bottom end into sample cylinder power rail, and the side for entering sample sliding block is fixedly connected with the top into sample hook, opens on incubator Have sample inlet port, driven by entering sample cylinder and enter and leave sample inlet port into sample hook, sample is sent to stepping guide rail and enters sample end, it is described enter sample hook The top of pawl is provided with the sample inlet port lid that can be covered in sample inlet port；It is described go out sample component include: out sample cylinder, go out sample sliding block and Sample hook out, sample cylinder is mounted on the rack out, and the power rail of sample cylinder extends downwardly out, and sample sliding block is connected to out sample cylinder out The bottom end of power rail, the side of sample sliding block is fixedly connected with out the top of sample hook out, is provided with outlet on incubator, by going out sample gas Cylinder drives out sample hook to enter and leave outlet, and the sample of stepping guide rail sample outlet end is taken out, and the top of the sample hook out is provided with The outlet lid in outlet can be covered.

7. low temperature automatic sample conveying device according to claim 6, which is characterized in that the incubator includes: inside and outside bilayer The internal box and outer case of structure, there are filled polytetrafluoroethylene foaming between the surrounding side of internal box and bottom surface and outer case The top in the gap of thermal insulation material, incubator is equipped with insulation board, and insulation board corresponds to interior box opening, is stamped incubator in the opening It covers, cryotronl is provided in internal box, cryotronl stretches out incubator and connect with outer low temperature source；Stirring system is also equipped on incubator System, stirring system include: the stirring motor being mounted in insulation case lid and the agitating paddle that is arranged in internal box.

8. low temperature automatic sample conveying device according to claim 7, which is characterized in that the rack includes: that quadrangle is symmetrically inserted Gu four support columns in insulation case lid, the top plate for being mounted on support top end and being fixed on every two support column bottom ends Two attachment base of bilateral symmetry, attachment base is located in internal box, from insulation case lid to being cased with support on the support column of attachment base section Axle sleeve, enters sample cylinder and sample cylinder is mounted on top plate out, and guide rail baffle is housed on the outside of the stepping guide rail, and guide rail baffle is fixed It is mounted on two attachment bases.

9. low temperature automatic sample conveying device according to any one of claims 1 to 8, which is characterized in that the sample frame includes: Sample frame top plate and sample frame bottom plate setting up and down and support sample frame motion bar therebetween, sample frame fixed link With sample frame V-type bar, two sample frame fixed links are symmetricly set on the two sides of sample frame V-type bar, the cross section of sample frame V-type bar It is in the shape of the letter V, and sample frame motion bar is corresponding with the tip V of sample frame V-type bar, there are gap, sample frame V-type bars between the two The tip V bottom end be cut out tip and scabble certain altitude so that the sample gap of lowermost end will not be stuck.

10. low temperature automatic sample conveying device according to any one of claims 1 to 8, which is characterized in that the equipment box one Side is provided with electric box, and electric box includes: cabinet, the touch screen mounted in tank surface and the case side plate mounted in body side.