CN215924343U

CN215924343U - Automatic spiral cover system of sampling pipe

Info

Publication number: CN215924343U
Application number: CN202122086701.XU
Authority: CN
Inventors: 刘福涛; 王文菖; 薛峰
Original assignee: Wuhan Zhiyuan Medical Technology Co ltd
Current assignee: Wuhan Zhiyuan Medical Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-01
Anticipated expiration: 2031-08-31

Abstract

The application relates to an automatic cap screwing system of a sampling tube, which relates to the field of packaging equipment of the sampling tube and comprises a workbench and a rotary table, wherein the rotary table is connected to the workbench in a horizontal rotating mode, a filling assembly, an upper cover assembly and a cap screwing assembly are sequentially arranged at the edge of the rotary table along the rotating direction of the rotary table, a gland assembly is arranged above the rotary table and is positioned between the upper cover assembly and the cap screwing assembly, the gland assembly comprises a pressure head and a first driving cylinder which is vertically arranged, a piston rod of the first driving cylinder can lift in the vertical direction, and the pressure head is fixedly connected to the lower end of the piston rod of the first driving cylinder; when the test tube after being capped rotates to the position below the gland assembly, the pressure head can move downwards to slightly press the cap; the pressure head gently presses the block in this application, adjusts its position of placing on the test tube, just with it for the block is difficult by being askew or the damage soon, reduces the rejection rate of automatic spiral cover system gained sampling tube, has improved sampling tube encapsulation quality.

Description

Automatic spiral cover system of sampling pipe

Technical Field

The application relates to the field of packaging equipment of sampling pipes, in particular to an automatic cover screwing system of a sampling pipe.

Background

Sampling tube is a sampling of the complete set that is applied to the microorganism sampling field and the centrifuging tube that transports, mainly is applied to clinical sample of medicine field storage and acts as reaction or storage container in the experimental study process, mainly includes test tube and block two parts, after the solution is injected into to the sampling tube in vitro, needs seal test tube and block. According to the difference of sealed main part, the sealed mode of sampling pipe mainly includes manual encapsulation and automatic encapsulation, and wherein automatic encapsulation is difficult for polluting the sampling pipe, and the encapsulation efficiency is higher, uses widely.

At present, automatic packaging of a sampling tube is mainly carried out through an automatic cap screwing machine, a common automatic cap screwing machine mainly comprises a workbench and a rotary table which is horizontally and rotatably connected to the workbench, the rotary table is used for horizontally rotating and conveying test tubes, a limiting ring is horizontally and fixedly connected to the outer side of the rotary table on the workbench, a plurality of upper tube openings used for placing the test tubes are uniformly formed between the rotary table and the limiting ring on the outer edge of the rotary table, the upper tube openings are distributed in an annular array mode, a filling assembly, an upper cover assembly and a cap screwing assembly are sequentially arranged at the edge position of the rotary table along the rotating direction of the rotary table, the filling assembly, the upper cover assembly and the cap screwing assembly are fixedly connected to the workbench, the filling assembly is used for filling liquid into the test tubes, the upper cover assembly is used for placing caps on the test tubes, and the cap screwing assembly is used for fixedly connecting the caps to the test tubes in a rotating mode; above-mentioned automatic spiral cover machine is when carrying out automatic encapsulation to the sampling tube, and the upper cover subassembly is placed the block on the test tube, through the rotatory fortune of carousel to spiral cover subassembly department, and the spiral cover subassembly is direct rotates the block on the test tube, screws the block and fixes on the test tube, realizes the automatic encapsulation to the sampling tube.

To the correlation technique among the above-mentioned, the inventor finds that the block is directly placed on the test tube, carries out the spiral cover again, and the block appears often and puts partially, and the internal thread of block and the external screw thread dislocation of test tube, sampling pipe block through spiral cover subassembly after rotatory fixing is askew or rotatory block makes the phenomenon of block damage by force, and the rejection rate is higher, and packaging quality is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the block and put partially when automatic spiral cover encapsulation, the internal thread of block and the external screw thread dislocation of test tube cause the sampling tube block to revolve askew or the problem of damage, this application provides an automatic spiral cover system of sampling tube.

The application provides an automatic spiral cover system of sampling pipe adopts following technical scheme:

the utility model provides an automatic spiral cover system of sampling tube, rotates the carousel of connection on the workstation including workstation and level, the border position department that lies in the carousel on the workstation has set gradually filling subassembly, upper cover subassembly and spiral cover subassembly along the direction of rotation of carousel, it is provided with the gland subassembly to lie in the carousel top on the workstation, the gland subassembly is located between upper cover subassembly and the spiral cover subassembly, the gland subassembly includes the first actuating cylinder that drives of pressure head and vertical setting, first actuating cylinder casing rigid coupling is on the workstation, the first piston rod that drives actuating cylinder can go up and down in vertical direction, the pressure head rigid coupling is in the first piston rod lower extreme that drives actuating cylinder, and the test tube after the upper cover rotates extremely during the gland subassembly below, first actuating cylinder that drives can drive the pressure head downstream and slightly press the block.

By adopting the technical scheme, when the cap is placed on the upper part of the test tube by the upper cover component, the rotary table can transmit the test tube and the cap to the lower part of the gland component in a rotating way, the first driving air cylinder can drive the pressure head to move downwards to lightly press the cap, the cap is pressed and covered on the upper part of the test tube, then the cap is transmitted to the capping station by the rotary table rotating part to be screwed on the test tube, the pressure head lightly presses the cap from top to bottom, for the righted cap, the pressure head can further press the righted cap downwards to ensure that the cap is not easy to fall off from the test tube, for the slantwise placed cap, the pressure head can be contacted with the cap through the lower surface, force is applied to the whole upper surface of the cap, the placing position of the cap is adjusted to be pressed, the internal thread of the cap is aligned with the external thread of the test tube, so that the cap is not easy to twist or damage, the rejection rate of the sampling tube after the automatic capping system is screwed on the cap is reduced, the packaging quality of the sampling tube is improved.

Optionally, one side that lies in the carousel on the workstation is provided with positive lid subassembly, positive lid subassembly is located between upper cover subassembly and the gland subassembly, positive lid subassembly includes the positive lid jack catch, is used for driving the first driving piece that the positive lid jack catch opened and shut and is used for driving the second driving piece that positive lid jack catch and first driving piece are close to the carousel, second driving piece sliding connection is on the workstation, first driving piece is connected in one side that the second driving piece is close to the carousel, positive lid jack catch rigid coupling is close to one side of carousel in first driving piece, the positive lid jack catch includes two clevises of relative rigid coupling on first driving piece, two the clevises are used for being close to the centre gripping block at the level on the circumferential direction of block.

Through adopting above-mentioned technical scheme, positive lid subassembly can rotate the transmission to the gland subassembly before test tube and block, the position to placing the block on the test tube is adjusted, the second driving piece can rotate to positive lid subassembly position department at test tube and block, it is close to the block to drive positive lid jack catch and first driving piece, first driving piece control claw hand opens and shuts, the level is close to and carries out the centre gripping to the block on the circumferential direction of block, in order to put the block position and put, with the cooperation of gland subassembly with the block lid on the test tube, be convenient for revolve the lid subassembly and screw up the block, further reduce the rejection rate of sampling tube.

Optionally, the second driving piece includes the slip limiting plate of electric putter and vertical setting, electric putter and slip limiting plate set up on the workstation of carousel one side, electric putter includes push rod, driving motor and control set up on the workstation, push rod one end and motor rigid coupling, the other end and slip limiting plate rigid coupling, the straight reciprocating motion is towards the axis of carousel to the radial direction of carousel along the push rod.

By adopting the technical scheme, the electric push rod can drive the sliding limiting plate to linearly approach or depart from the turntable, so as to drive the front cover clamping jaw to linearly approach or depart from the turntable along the radial direction of the turntable, and the motion stroke of the push rod is well controlled; when test tube and block rotate to the radial direction of carousel on just adjusting the operating position of lid subassembly, through operation control, start driving motor drives the push rod motion, and the staff can be comparatively convenient drive slide the positive lid jack catch on the limiting plate and move to the block both sides, and the positive lid jack catch of being convenient for carries out the centre gripping normal position to the block.

Optionally, the radial direction of following the carousel on the workstation has seted up sharp sliding tray, the sliding tray opening up and closed in the horizontal direction upper end, the horizontal sliding fit of slip limiting plate connects in the sliding tray, works as the slip limiting plate slides to the sliding tray towards the carousel when being close to the one end tip of carousel, two the cleft hand is located the both sides of block.

Through adopting above-mentioned technical scheme, the sliding tray can be restricted the direction of motion of slip limiting plate along the both sides of the radial direction of carousel at the limiting plate that slides for the slip limiting plate can be more steady drive just to cover the jack catch and be close to the carousel or keep away from the carousel, carries out the centre gripping normal position to the block, is difficult for causing the striking to block and test tube.

Optionally, the upper portion of the sliding limiting plate is fixedly connected with a horizontal mounting plate for mounting a first driving member, and the first driving member includes a first rack and a second rack which are transversely and relatively slidably disposed on the mounting plate, a first gear and a second gear which are rotatably connected to the mounting plate, and a third driving member disposed on the mounting plate; the first rack and the second rack are consistent in specification, the first gear and the second gear are consistent in specification, the third driving piece is used for driving the first gear and the second gear to rotate reversely simultaneously, the first gear is located on one side, away from the turntable, of the first rack and meshed with the first rack, the second gear is located on one side, away from the turntable, of the second gear and meshed with the second rack, and the claws are fixedly connected to one side, close to the turntable, of the first rack and the second rack respectively.

By adopting the technical scheme, the third driving piece can control the first gear and the second gear to rotate reversely, so as to drive the first rack and the second rack to approach or separate from each other, further drive the two claws to approach or separate from each other, and control the opening and closing of the front cover claw; this application spiral cover system adopts the mode of gear and rack toothing to control opening and shutting of just covering the jack catch, and the transmission is steady reliable, and the centre gripping is more accurate during the centre gripping block, and is difficult for causing the damage to block and test tube.

Optionally, the third driving member includes a rack plate transversely disposed on the mounting plate, a third driving cylinder for driving a horizontal straight line of the rack plate to approach or leave the turntable, a third gear fixedly connected to the first gear and coaxially rotating with the first gear, and a fourth gear fixedly connected to an upper portion of the second gear and coaxially rotating with the second gear; the third gear and the fourth gear are in the same specification, the diameter of the third gear is smaller than that of the first gear, the rack plate is located between the third gear and the fourth gear, a third rack is arranged on one side, close to the third gear, of the rack plate, the third rack is meshed with the third gear, a fourth rack is arranged on one side, close to the fourth gear, of the rack plate, and the fourth rack is meshed with the fourth gear.

By adopting the technical scheme, the third driving cylinder is controlled to drive the rack plate to linearly reciprocate in the horizontal direction along the radial direction of the rotary table towards the rotary table, the rack plate drives the third rack and the fourth rack to linearly reciprocate so as to drive the third gear and the fourth gear to simultaneously and reversely rotate, the first gear and the second gear respectively coaxially rotate along with the third gear and the fourth gear, and then the first rack and the second rack are driven to be close to or far away from each other; the motion that drives actuating cylinder and drive above-mentioned rack and gear train is driven through the control, and it is comparatively convenient to control, and driven more steady, and is further, first gear and third gear, second gear and fourth gear constitute two-layer double-deck gear, can realize in less space the more efficient transmission of first rack and second rack.

Optionally, the cleft hand is arc cleft hand, the cambered surface of the cleft hand towards one side of block can be laminated with the periphery wall of block.

Through adopting above-mentioned technical scheme, the cleft hand can be better carries out flexible centre gripping to the block, and the periphery wall contact with the block on the circumferential direction of block forms the cohesion state, centers on the block around the cleft hand inboard, better with its setting.

Optionally, a buffer pad is fixedly connected to one side of the claw, which is close to the cap.

Through adopting above-mentioned technical scheme, the blotter can cushion between cleft hand and block, avoids the cleft hand to damage block and test tube when the positive position block of centre gripping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the pressure head and the first driving air cylinder, when the test tube after being covered rotates to the position below the gland assembly, the first driving air cylinder can drive the pressure head to slightly press the cap downwards, force is applied to the whole upper surface of the cap, the cap is pressed to be right, the internal thread of the cap is aligned with the external thread of the test tube, the cap is not easy to twist or damage, the rejection rate of a sampling tube after an automatic cap screwing system screws the cap is reduced, and the packaging quality of the sampling tube is improved;

2. by arranging the positive cover component, the first driving part and the second driving part are matched with the clamping claws, so that the positive cover component can horizontally approach to the cap in the circumferential direction of the cap and clamp the cap, the position of the cap is righted, the cap is righted on the test tube better by matching with the pressing cover component, and the rejection rate of the sampling tube is further reduced;

3. the gear racks are meshed with the gear racks, so that the opening and closing of the clamping jaws of the front cover can be controlled more stably and reliably, the cap is clamped and positioned, the positions of two claw hands are more accurate during clamping, and the cap and the test tube are not easily damaged;

4. through set up the blotter on curved cleft hand, the cleft hand can be better carries out flexible centre gripping to the block, forms the cohesion state in the block outside, centers the block around the cleft hand inboard, better with its setting.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged schematic view of the part A structure of FIG. 1;

FIG. 3 is a schematic structural view for illustrating the connection relationship between the front cover assembly and the worktable;

fig. 4 is an enlarged schematic view of the B-portion structure in fig. 3.

Description of reference numerals: 1. a work table; 11. a sliding groove; 2. a turntable; 3. a limiting ring; 4. a filling assembly; 5. an upper cover assembly; 6. a front cover assembly; 61. a front cover jaw; 611. a claw hand; 612. a cushion pad; 62. a first driving member; 621. a first rack; 622. a second rack; 623. a first gear; 624. a second gear; 625. a third driving member; 6251. a rack plate; 62511. a third rack; 62512. a fourth rack; 6252. a third gear; 6253. a fourth gear; 6254. a third driving cylinder; 63. a second driving member; 631. an electric push rod; 632. a sliding limit plate; 633. mounting a plate; 7. a gland assembly; 71. a pressure head; 72. a first driving cylinder; 8. and a cap screwing component.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an automatic spiral cover system of sampling pipe.

Referring to fig. 1, an automatic cap screwing system for a sampling tube comprises a workbench 1 and a turntable 2 horizontally and rotatably connected to the workbench 1, a limit ring 3 used for fixing a test tube in cooperation with the turntable 2 is arranged on the outer side of the turntable 2, the limit ring 3 is sleeved on the outer side of the turntable 2, a filling assembly 4, a cap assembly 6, a gland assembly 7, an upper cap assembly 5 and a cap screwing assembly 8 are sequentially arranged on the workbench 1 at the edge position of the turntable 2 along the rotating direction of the turntable 2, the cap assembly 6 is used for adjusting the position of a cap placed on the test tube before the test tube and the cap are rotated and conveyed to the gland assembly 7, the gland assembly 7 is used for lightly pressing the cap on the test tube from top to bottom, and applies force to the whole cap to press the cap on the test tube, so that the internal thread of the cap is aligned with the external thread of the test tube, and the cap is not easily twisted or damaged during cap screwing, the rejection rate of the sampling tube obtained by screwing the cover of the automatic cover screwing system is reduced, and the packaging quality of the sampling tube is improved.

Referring to fig. 2 and 3, the front cover assembly 6 includes a front cover jaw 61, a first driving member 62 for driving the front cover jaw 61 to open and close, and a second driving member 63 for driving the front cover jaw 61 and the first driving member 62 to approach the turntable 2, the second driving member 63 is installed on the worktable 1, and the second driving member 63 is located on one side of the turntable 2, the second driving member 63 can drive the first driving member 62 to approach the turntable 2 or keep away from the turntable 2 along a radial direction straight line of the turntable 2, and further drive the front cover jaw 61 and the first driving member 62 to approach the turntable 2 or keep away from the turntable 2 straight line, and the cap of the sampling tube on the turntable 2 is clamped and positioned.

The second driving member 63 includes an electric push rod 631 and a vertically arranged sliding limiting plate 632, a linear sliding groove 11 for slidably connecting the sliding limiting plate 632 is formed in the workbench 1 along the radial direction of the turntable 2, the cross section of the sliding groove 11 in the horizontal direction is rectangular, the opening of the sliding groove 11 faces upward, two ends of the sliding groove 11 in the horizontal direction on the workbench 1 are both in a closed arrangement, the electric push rod 631 is fixedly connected to the workbench 1 on one side of the sliding groove 11 far from the turntable 2, the sliding limiting plate 632 is horizontally slidably connected in the sliding groove 11, and the sliding limiting plate 632 can be linearly close to or far away from the turntable 2 in the sliding groove 11 along the radial direction of the turntable 2; the both sides of slip limiting plate 632 along 2 radial directions of carousel are laminated mutually with the 1 inner wall of workstation of 11 departments of sliding tray, slide at slip limiting plate 632 and are close to or keep away from the in-process of carousel 2, and sliding tray 11 can restrict the direction of motion of slip limiting plate 632 to the both sides of slip limiting plate 632 for slip limiting plate 632's slip is more steady, carries out the centre gripping normal position with more steady to the block, avoids causing the striking to block and test tube.

Referring to fig. 3, electric putter 631 includes the push rod that the level set up, driving motor and control rigid coupling are on the workstation 1 of one side of carousel 2 is kept away from in sliding tray 11, the axis direction of push rod is unanimous with the radial direction of carousel 2, carousel 2's one end and motor rigid coupling are kept away from to the push rod, the one end and the slip limiting plate 632 rigid coupling that are close to carousel 2, through control driving motor, the slip limiting plate 632 of control that can be comparatively convenient is close to carousel 2 or keeps away from carousel 2, carry out centre gripping normal position to the block.

Further, the stroke of the sliding limit plate 632 sliding in the sliding groove 11 is a fixed value, and when the sliding limit plate 632 slides to the end position of the sliding groove 11 near the turntable 2 toward the turntable 2, the lid alignment claw 61 is located at a position where it is possible to accurately clamp the lid.

Referring to fig. 3 and 4, a horizontal mounting plate 633 for mounting the first driving element 62 and the front cover jaw 61 is fixedly connected to the upper portion of the sliding limiting plate 632, the first driving element 62 is connected to the mounting plate 633, the front cover jaw 61 is fixedly connected to one side of the first driving element 62 close to the turntable 2, and the first driving element 62 can control the opening and closing of the front cover jaw 61 in the horizontal direction, so that the first driving element can horizontally clamp the cap to align the cap.

The first driving element 62 includes a first rack 621 and a second rack 622 transversely and relatively slidably disposed on the mounting plate 633, a first gear 623 and a second gear 624 rotatably connected to the mounting plate 633, and a third driving element 625 disposed on the mounting plate 633, both the racks and the gears being disposed on the same horizontal plane, wherein the first rack 621 and the second rack 622 are in the same size, the first gear 623 and the second gear 624 are in the same size, the first gear 623 is located on a side of the first rack 621 away from the turntable 2 and is engaged with the first rack 621, the second gear 624 is located on a side of the second rack 624 away from the turntable 2 and is engaged with the second rack 622, and the third driving element 625 is configured to drive the first gear 623 and the second gear 624 to rotate in opposite directions.

Referring to fig. 4, the third driving member 625 includes a rack plate 6251 transversely disposed on the mounting plate 633, a third driving cylinder 6254 for driving the rack plate 6251 to horizontally and linearly move closer to or farther from the turntable 2, a third gear 6252 fixed to the first gear 623 and rotating coaxially with the first gear 623, and a fourth gear 6253 fixed to the upper portion of the second gear 624 and rotating coaxially with the second gear 624; the third gear 6252 and the fourth gear 6253 have the same specification, the diameter of the third gear 6252 is smaller than that of the first gear 623, the rack plate 6251 is positioned between the third gear 6252 and the fourth gear 6253, the third rack 62511 is arranged on the rack plate 6251 on the side close to the third gear 6252, the third rack 62511 is meshed with the third gear 6252, the fourth rack 62512 is arranged on the rack plate 6251 on the side close to the fourth gear 6253, and the fourth rack 62512 is meshed with the fourth gear 6253.

The third driving cylinder 6254 is controlled to drive the rack plate 6251 to linearly reciprocate in the horizontal direction along the radial direction of the turntable 2 toward the turntable 2, and the rack plate 6251 drives the third rack 62511 and the fourth rack 62512 to linearly reciprocate, so as to drive the third gear 6252 and the fourth gear 6253 to simultaneously and reversely rotate, so that the first gear 623 and the second gear 624 respectively coaxially rotate along with the third gear 6252 and the fourth gear 6253, and further drive the first rack 621 and the second rack 622 to approach or separate from each other.

The movement of the rack and the gear set can be conveniently controlled by controlling the movement stroke of the piston rod of the third driving cylinder 6254, so as to more stably perform transmission control on the opening and closing of the front cover claw 611, and further, the first gear 623, the third gear 6252, the second gear 624 and the fourth gear 6253 form two layers of double-layer gears, so that the first rack 621 and the second rack 622 can be more efficiently transmitted in a smaller space.

Referring to fig. 3 and 4, the front cover jaw 61 includes two arc-shaped claws 611, the two claws 611 are respectively fixedly connected to one side of the first rack 621 close to the rotating disk 2 and one side of the second rack 622 close to the rotating disk 2, when the second driving member 63 is located at the end position of the sliding groove 11 close to the rotating disk 2, the two claws 611 horizontally surround the periphery of the cover cap, and the arc surfaces of the two claws 611 facing one side of the cover cap can be attached to the outer peripheral wall of the cover cap, so as to form an annular clasped state on the periphery of the cover cap, so as to surround the cover cap inside the two claws 611, and better clamp the cover cap in a right position.

Furthermore, a buffer pad 612 is fixedly connected to one side of the claw 611 close to the cap, and the buffer pad 612 can flexibly buffer between the claw 611 and the cap, so that the cap and the test tube are prevented from being damaged when the claw 611 clamps and positions the cap.

Referring to fig. 1 and 2, gland subassembly 7 includes pressure head 71 and the first drive actuating cylinder 72 of vertical setting, be provided with the horizontally mount pad that is used for installing gland subassembly 7 outwards on the control body of spiral cover subassembly 8, first drive actuating cylinder 72 casing rigid coupling in mount pad upper portion, the vertical through-hole that supplies the first piston rod that drives actuating cylinder 72 to pass of seting up on the mount pad, the first piston rod that drives actuating cylinder 72 can run through the through-hole, go up and down in the vertical direction, pressure head 71 rigid coupling is in the first piston rod lower extreme that drives actuating cylinder 72, when the test tube after positive lid subassembly 6 normal position rotates to gland subassembly 7 below, first drive actuating cylinder 72 can drive pressure head 71 downstream and lightly press the block, just press the block and make the block more establish on test tube upper portion for more stable lid.

Pressure head 71 is centrum form, and pressure head 71 cross sectional area on the horizontal direction top-down constantly increases, when test tube and block rotate to gland subassembly 7 lower part, pressure head 71, the axis of test tube and block is the same, and the cross sectional area of pressure head 71 lower extreme on the horizontal direction is greater than the area of block upper surface, and then pressure head 71 can be better on block upper portion to its upper surface whole application of force, in order to adjust its place position, just with it, make the internal thread of block aim at with the internal thread of test tube, make the block difficult askew or receive the damage soon, reduce the rejection rate of sampling tube behind the automatic spiral cover system spiral cover, improve the encapsulation quality of sampling tube.

The implementation principle of the automatic cap screwing system of the sampling pipe in the embodiment of the application is as follows: in the process of automatically packaging a sampling tube, a test tube is placed in an upper tube opening on a rotary table 2, the rotary table 2 drives the test tube to automatically rotate and sequentially pass through a filling assembly 4, an upper cover assembly 5, a positive cover assembly 6, a gland assembly 7 and a screw cap assembly 8, the filling assembly 4 can fill solution into the test tube, the upper cover assembly 5 can pop out a cap and place the cap on the test tube, the positive cover assembly 6 can clamp the cap in the circumferential direction of the cap in a right position, the gland assembly 7 can lightly press the upper surface of the cap in the vertical direction of the cap, the cap is further straightened and covered on the test tube, the internal thread of the cap is aligned with the external thread of the test tube, and the cap can be better screwed and installed on the test tube by the screw cap assembly 8; through positive lid subassembly 6 and the cooperation of gland subassembly 7 in this application embodiment, realization that can be better is just right to the automation of block for the block is difficult by being askew or damaging soon, reduces the rejection rate of the sampling tube after automatic spiral cover system spiral cover, has improved the encapsulation quality of sampling tube.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic spiral cover system of sampling pipe, rotates carousel (2) of connection on workstation (1) including workstation (1) and level, the border position department that lies in carousel (2) on workstation (1) has set gradually filling subassembly (4), upper cover subassembly (5) and spiral cover subassembly (8), its characterized in that along the direction of rotation of carousel (2): lie in carousel (2) top on workstation (1) and be provided with gland subassembly (7), gland subassembly (7) are located between upper cover subassembly (5) and spiral cover subassembly (8), gland subassembly (7) are including first drive actuating cylinder (72) of pressure head (71) and vertical setting, first drive actuating cylinder (72) casing rigid coupling on workstation (1), the first piston rod that drives actuating cylinder (72) can go up and down on vertical direction, pressure head (71) rigid coupling is in the first piston rod lower extreme that drives actuating cylinder (72), and the test tube after the upper cover rotates extremely during gland subassembly (7) below, first drive actuating cylinder (72) can drive pressure head (71) downstream light pressure block.

2. The automatic capping system for a sampling tube of claim 1, wherein: one side of the rotary table (2) on the working table (1) is provided with a positive cover assembly (6), the positive cover assembly (6) is positioned between an upper cover assembly (5) and a gland assembly (7), the positive cover assembly (6) comprises a positive cover clamping jaw (61), a first driving piece (62) used for driving the positive cover clamping jaw (61) to open and close and a second driving piece (63) used for driving the positive cover clamping jaw (61) and the first driving piece (62) to be close to the rotary table (2), the second driving piece (63) is connected on the working table (1) in a sliding manner, the first driving piece (62) is connected to one side of the second driving piece (63) close to the rotary table (2), the positive cover clamping jaw (61) is fixedly connected to one side of the first driving piece (62) close to the rotary table (2), the positive cover clamping jaw (61) comprises two claw hands (611) fixedly connected on the first driving piece (62), the two claws (611) are used for horizontally approaching the clamping cap in the circumferential direction of the cap.

3. The automatic capping system for a sampling tube of claim 2, wherein: second driving piece (63) include electric putter (631) and the slip limiting plate (632) of vertical setting, electric putter (631) and slip limiting plate (632) set up on workstation (1) of carousel (2) one side, electric putter (631) includes push rod, driving motor and control set up on workstation (1), push rod one end and motor rigid coupling, the other end and slip limiting plate (632) rigid coupling, the straight reciprocating motion is towards the axis of carousel (2) to the radial direction of push rod (2).

4. The automatic capping system for a sampling tube of claim 3, wherein: linear sliding tray (11) have been seted up along the radial direction of carousel (2) on workstation (1), sliding tray (11) opening up and closed in the horizontal direction upper end, slide limiting plate (632) horizontal sliding fit connects in sliding tray (11), works as slide limiting plate (632) slide to sliding tray (2) when being close to the one end tip of carousel (2) towards carousel (2), two cleft hand (611) is located the both sides of block.

5. The automatic capping system for a sampling tube of claim 4, wherein: the upper part of the sliding limit plate (632) is fixedly connected with a horizontal mounting plate (633) for mounting a first driving element (62), and the first driving element (62) comprises a first rack (621) and a second rack (622) which are transversely and relatively slidably arranged on the mounting plate (633), a first gear (623) and a second gear (624) which are rotatably connected to the mounting plate (633), and a third driving element (625) arranged on the mounting plate (633); the first rack (621) and the second rack (622) are in the same specification, the first gear (623) and the second gear (624) are in the same specification, the third driving piece (625) is used for driving the first gear (623) and the second gear (624) to rotate in opposite directions simultaneously, the first gear (623) is located on one side of the first rack (621) far away from the turntable (2) and meshed with the first rack (621), the second gear (624) is located on one side of the second gear (624) far away from the turntable (2) and meshed with the second rack (622), and the two claws (611) are fixedly connected to one sides of the first rack (621) and the second rack (622) close to the turntable (2) respectively.

6. The automatic capping system for a sampling tube of claim 5, wherein: the third driving part (625) comprises a rack plate (6251) transversely arranged on the mounting plate (633), a third driving cylinder (6254) used for driving the rack plate (6251) to horizontally and linearly approach to or depart from the turntable (2), a third gear (6252) fixedly connected to the first gear (623) and coaxially rotating with the first gear (623), and a fourth gear (6253) fixedly connected to the upper part of the second gear (624) and coaxially rotating with the second gear (624); the third gear (6252) and the fourth gear (6253) are in the same specification, the diameter of the third gear (6252) is smaller than that of the first gear (623), the rack plate (6251) is positioned between the third gear (6252) and the fourth gear (6253), a third rack (62511) is arranged on one side, close to the third gear (6252), of the rack plate (6251), the third rack (62511) is meshed with the third gear (6252), a fourth rack (62512) is arranged on one side, close to the fourth gear (6253), of the rack plate (6251), and the fourth rack (62512) is meshed with the fourth gear (6253).

7. The automatic capping system for a sampling tube of claim 2, wherein: the claw (611) is an arc-shaped claw (611), and the arc surface of one side, facing the cap, of the claw (611) can be attached to the outer peripheral wall of the cap.

8. The automatic capping system for a sampling tube of claim 7, wherein: a buffer pad (612) is fixedly connected to one side of the claw (611) close to the cover cap.