CN210253463U

CN210253463U - Cleaning mechanism of full-automatic affinity purifier

Info

Publication number: CN210253463U
Application number: CN201920563439.3U
Authority: CN
Inventors: 张宇辰; 盖森
Original assignee: Heibei Agricultural University
Current assignee: Heibei Agricultural University
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-04-07
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to a biological instrument technical field, and a wiper mechanism of full-automatic affinity purification appearance is disclosed, including moving back the lid end cap, the air entrainment connects, the washing connects, the lift axle, the movable block, the lead screw motor, linear bearing, wash the support, the upper plate, the opto-coupler separation blade, the curb plate, the hypoplastron, the mounting panel, the upper end of lift axle is rotated and is cup jointed the solid fixed cylinder, wash the lateral wall of support fixed connection at the solid fixed cylinder, the fixed backup pad that has cup jointed of upper end outer wall of lift axle, the fixed gear that has cup jointed of outer wall of solid fixed cylinder, two cardboards of symmetrical fixedly connected with around the upper end of backup pad, rotate through ball bearing between two cardboards and be connected with same root reciprocating screw, the lateral wall fixedly connected with gear motor of one of. The utility model discloses can connect to be located the abluent time in sample top according to connecting the required operating time adjustment, can carry out accurate adjustment to the position of joint.

Description

Cleaning mechanism of full-automatic affinity purifier

Technical Field

The utility model relates to a biological instrument technical field especially relates to a wiper mechanism of full-automatic affinity purification appearance.

Background

Full-automatic purification appearance has very important effect in food safety analysis technical field, and the effective washing of sample is the key of carrying out accurate effective analysis, makes reagent receive the pollution for effectually avoiding artifical contact sample, needs to develop a mechanism that can wash automatically.

A patent with a patent publication number of CN 206898029U discloses a cleaning mechanism of a full-automatic affinity purifier, as shown in fig. 1, the cleaning mechanism mainly comprises a cover-removing plug, an air-adding joint, a cleaning joint, a lifting shaft, a moving block, a lead screw motor, a linear bearing, a cleaning bracket, an upper plate, an optical coupling baffle, a side plate, a lower plate and a bracket plate; the cleaning support is fixed at the top end of the lifting shaft, the lifting shaft penetrates through a linear bearing and is connected with the moving block, the screw motor drives the moving block to move up and down, the cleaning support can move up and down along with the moving support, the cover withdrawing plug, the gas adding joint and the cleaning joint are fixed on the cleaning support and then descend to a working position to withdraw the cover and add gas, two cleaning actions are carried out, the cleaning support is lifted after operation is completed and is prepared to carry out the next group of actions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the management abluent concrete step is not convenient for, and the wiper mechanism of a full-automatic affinity purification appearance that can not be accurate among the prior art and adjust according to the cleaning time demand move back the lid end cap, the air entrainment connects and wash the position that connects for the sample.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cleaning mechanism of a full-automatic affinity purifier comprises a lifting shaft, a cleaning support, a cover-withdrawing plug, an air-entrapping joint, a cleaning joint, a moving block, a screw motor, a linear bearing, an upper plate, an optocoupler baffle, a side plate, a lower plate and a support plate, wherein the upper end of the lifting shaft is rotatably sleeved with a fixed cylinder, the cleaning support is fixedly connected with the side wall of the fixed cylinder, the outer wall of the upper end of the lifting shaft is fixedly sleeved with a support plate, the outer wall of the fixed cylinder is fixedly sleeved with a gear, the upper end of the support plate is symmetrically and fixedly connected with two clamping plates, the same reciprocating screw is rotatably connected between the two clamping plates through a ball bearing, the side wall of one clamping plate is fixedly connected with a speed reducing motor, the output shaft of the speed reducing motor is fixedly connected with one end of the reciprocating screw, the rod wall of the reciprocating screw, the upper end of the fixed rod is provided with a plurality of L-shaped through holes penetrating through the side wall of the fixed rod, the inner wall of the vertical part of each L-shaped through hole is connected with a pressing rod in a sliding mode, the lower end of each pressing rod and the inner wall of each L-shaped through hole are fixedly connected with two reset springs, a side rod wall at the lower end of each pressing rod is connected with a push-pull rod in a rotating mode, one end, far away from the pressing rod, of each push-pull rod is connected with a toothed rod which is connected in the L-shaped through hole in a sliding mode and meshed with a gear in a rotating mode, the upper end of each pressing rod.

Preferably, stop gear is including seting up the recess at the locating piece lateral wall, the tank bottom of recess passes through thrust spring fixed connection limiting plate, the one end fixedly connected with pull rod that the limiting plate is located the recess, the one end that the limiting plate was kept away from to the pull rod stretches out the locating piece outside and fixedly connected with arm-tie through the through-hole.

Preferably, the upper side wall of the limiting plate is a slope.

Preferably, a pull rope is fixedly connected to the surface of the pull plate.

Preferably, the lower end of the fixing rod is fixedly connected with a fixing rod, the lower end of the fixing rod is fixedly connected with a positioning sliding block, and the upper end of the supporting plate is provided with a positioning sliding groove matched with the positioning sliding block.

Compared with the prior art, the utility model provides a wiper mechanism of full-automatic affinity purification appearance possesses following beneficial effect:

1. the cleaning mechanism of the full-automatic affinity purification instrument adjusts the gear rods with different distances through the cap withdrawing, the distance between the air adding joint and the cleaning joint and the working time selection of each joint, presses the positioning plate, the positioning plate pushes the push rod downwards, the push rod pushes the gear rods out of the L-shaped through holes through the push rod, the gear rods can be quickly adjusted out, the speed reducing motor is started, the speed reducing motor drives the reciprocating screw rod to rotate, the movable ring drives the fixed rod to stably move back and forth by utilizing the threaded connection effect of the reciprocating screw rod and the movable ring, the fixed rod drives the gear rods to move simultaneously when moving, the gear rods stir the lower gear to drive the fixed cylinder to rotate when moving to the gear, the cleaning support is driven to rotate to drive the joints to move, the next joint is moved to the upper part of a sample to perform cleaning work, different gear rods extend out to adjust the distance between the gear rods, the distance between two adjacent ratchets can decide the time that the ratchets stirred the gear under the stable condition of dead lever shifting, and then can change the time of rotating a fixed section of thick bamboo according to the relative distance of transferring out between the ratchets, and then can connect the abluent time in sample top according to the required operating time adjustment of joint, the relative position that the gear can adjust the joint promptly once stirred the ratchets, make next joint remove and carry out cleaning work to the top of sample, can carry out accurate adjustment to the position of joint, convenient to use.

2. This wiper mechanism of full-automatic affinity purification appearance, through the stop gear who is equipped with, the inclined plane of the in-process extrusion limiting plate that pushes down at the locating plate, in the automatic withdrawal recess of limiting plate atress, when the locating plate removed the below to the limiting plate, thrust spring released the limiting plate recess and realized the relative spacing to the locating plate outward, make the structure firm, and when needs pull back the ratch, through stay cord pulling arm, utilize the pull rod to pull back the limiting plate in the recess and relieve the spacing locking to the locating plate, reset spring back bulldozes the pole this moment, upwards push up the depression bar, can pull back the ratch in the dead lever through the push-and-pull rod, high durability and convenient use.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can connect to be located the abluent time in sample top according to connecting the required operating time adjustment, can carry out accurate adjustment to the position of joint.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning mechanism of a prior art fully automatic affinity purification instrument according to the present invention;

FIG. 2 is a schematic structural diagram of a cleaning mechanism of the fully automatic affinity purification instrument according to the present invention;

FIG. 3 is a schematic structural view of a part A of a cleaning mechanism of the fully automatic affinity purification instrument according to the present invention;

FIG. 4 is a schematic structural diagram of a part B of a cleaning mechanism of a full-automatic affinity purification instrument according to the present invention;

fig. 5 is the utility model provides a structural schematic diagram that the cardboard and the reciprocal lead screw of wiper mechanism of full-automatic affinity purification appearance are connected.

In the figure: the device comprises a lifting shaft 1, a cleaning bracket 2, a fixing barrel 3, a supporting plate 4, a gear 5, a clamping plate 6, a reciprocating screw rod 7, a moving ring 8, a fixing rod 9, a through hole 10L-shaped, a pressure rod 11, a return spring 12, a push-pull rod 13, a toothed rod 14, a positioning plate 15, a positioning block 16, a groove 17, a limiting plate 18, a pull rod 19, a pull plate 20, a speed reducing motor 21, a thrust spring 22, a cleaning joint 23, a moving block 24, a screw rod motor 25, a linear bearing 26, an upper plate 27, an optical coupling baffle 28, a side plate 29, a lower plate 30 and a support plate 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a cleaning mechanism of a full-automatic affinity purifier comprises a lifting shaft 1, a cleaning support 2, a cover-removing plug, an air-adding joint, a cleaning joint 23, a moving block 24, a screw motor 25, a linear bearing 26, an upper plate 27, an optical coupler blocking piece 28, a side plate 29, a lower plate 30 and a support plate 31, wherein the upper end of the lifting shaft 1 is rotatably sleeved with a fixed cylinder 3, the cleaning support 2 is fixedly connected with the side wall of the fixed cylinder 3, the outer wall of the upper end of the lifting shaft 1 is fixedly sleeved with a support plate 4, the outer wall of the fixed cylinder 3 is fixedly sleeved with a gear 5, the upper end of the support plate 4 is symmetrically and fixedly connected with two clamping plates 6 in front-back symmetry, the same reciprocating screw 7 is rotatably connected between the two clamping plates 6 through a ball bearing, the side wall of one of the clamping plates 6 is fixedly connected, the pole wall threaded connection of reciprocal lead screw 7 has shift collar 8, the lateral wall fixedly connected with dead lever 9 of shift collar 8, a plurality of L shape through-holes 10 that run through the lateral wall of dead lever 9 are seted up to the upper end of dead lever 9, the inner wall sliding connection of the vertical portion of L shape through-hole 10 has depression bar 11, the lower extreme of depression bar 11 and two reset spring 12 of the inner wall fixedly connected with of L shape through-hole 10, depression bar 11 lower extreme a side pole wall rotates and is connected with push-and-pull rod 13, the one end that depression bar 11 was kept away from to push-and-pull rod 13 rotates and is connected with sliding connection in L shape through-hole 10 and with gear 5 meshed toothed bar 14, the upper end fixedly connected with locating plate 15 of depression bar 11, the upper end fixedly connected with of dead.

Limiting mechanism is including seting up the recess 17 at the locating piece 16 lateral wall, and thrust spring 22 fixed connection limiting plate 18 is passed through to the tank bottom of recess 17, and limiting plate 18 is located the one end fixedly connected with pull rod 19 of recess 17, and the one end that limiting plate 18 was kept away from to pull rod 19 stretches out locating piece 16 through the through-hole and outer and fixedly connected with arm-tie 20, can be to the relative spacing of locating plate 15 for the structure is firm.

The upper side wall of the limiting plate 18 is an inclined surface, so that the limiting plate 18 can automatically retract into the groove 17 in the process that the positioning plate 15 is pressed down, and the use is convenient.

The pulling plate 20 is fixedly connected with a pulling rope on the surface, so that people can pull the pulling plate conveniently.

The lower extreme fixedly connected with of dead lever 9 stabilizes the pole, and the lower extreme fixedly connected with location slider of stabilizing the pole, the upper end of backup pad 4 seted up with location slider assorted location spout, can make the slip of dead lever 9 more smooth and easy.

In the utility model, when in use, the toothed bar 14 with different distances is taken out through the distance between the cap withdrawing, the gas adding joint and the cleaning joint and the time selection of the work required by each joint, the positioning plate 15 is pressed, the positioning plate 15 pushes down the push rod 11, the push rod 11 further pushes the toothed bar 14 out of the L-shaped through hole 10 through the push rod 13, the toothed bar 14 can be quickly taken out, the speed reducing motor 21 is started, the speed reducing motor 21 drives the reciprocating screw rod 7 to rotate, the movable ring 8 drives the fixed rod 9 to stably move back and forth by utilizing the threaded connection effect of the reciprocating screw rod 7 and the movable ring 8, the toothed bar 14 is driven to move while the fixed rod 9 moves, the gear 5 is stirred to drive the fixed cylinder 3 to rotate when the toothed bar 14 moves to the gear 5, the cleaning support 2 is driven to rotate to drive the cleaning support 2 to drive the joints to move, and the next joint is moved to the upper part, different toothed bars 14 extend out to adjust the distance between the toothed bars 14, the distance between two adjacent toothed bars 14 can determine the time for the toothed bars 14 to toggle the gear 5 under the condition that the fixed rod 9 is stably moved, further, the time for rotating the fixed cylinder 3 can be changed according to the relative distance between the toothed bars 14, further, the time for cleaning the joint above the sample can be adjusted according to the required working time of the joint, the relative position of the joint can be adjusted when the toothed bars 14 toggle the gear 5, the next joint is moved to the position above the sample to perform cleaning work, the position of the joint can be accurately adjusted, the use is convenient, the inclined plane of the limiting plate 18 is extruded in the process that the positioning plate 15 is pressed downwards through the arranged limiting mechanism, the limiting plate 18 is automatically retracted into the groove 17 under the stress, when the positioning plate 15 is moved to the position below the limiting plate 18, the thrust spring 22 pushes the limiting plate 18 out of the groove 17 to realize the relative limiting of the positioning plate 15, the structure is stable, when the toothed bar 14 needs to be pulled back, the pull plate 20 is pulled through the pull rope, the limiting plate 18 is pulled back into the groove 17 through the pull rod 19 to remove the limiting locking of the positioning plate 15, the return spring 12 pushes the push rod 11 back at the moment, the press rod 11 is pushed upwards, the toothed bar 14 can be pulled back into the fixing rod 9 through the push-pull rod 13, and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cleaning mechanism of a full-automatic affinity purifier comprises a lifting shaft (1), a cleaning support (2), a cover-withdrawing plug, an air-adding joint, a cleaning joint (23), a moving block (24), a screw motor (25), a linear bearing (26), an upper plate (27), an optical coupling blocking piece (28), a side plate (29), a lower plate (30) and a support plate (31), and is characterized in that the upper end of the lifting shaft (1) is rotatably sleeved with a fixed cylinder (3), the cleaning support (2) is fixedly connected with the side wall of the fixed cylinder (3), the outer wall of the upper end of the lifting shaft (1) is fixedly sleeved with a support plate (4), the outer wall of the fixed cylinder (3) is fixedly sleeved with a gear (5), the upper end of the support plate (4) is symmetrically and fixedly connected with two clamping plates (6) in the front-back direction, the same reciprocating screw (7) is rotatably connected between the two clamping plates, the side wall of one of the clamping plates (6) is fixedly connected with a speed reducing motor (21), an output shaft of the speed reducing motor (21) is fixedly connected with one end of a reciprocating screw rod (7), the rod wall of the reciprocating screw rod (7) is in threaded connection with a moving ring (8), the side wall of the moving ring (8) is fixedly connected with a fixed rod (9), the upper end of the fixed rod (9) is provided with a plurality of L-shaped through holes (10) penetrating through the side wall of the fixed rod (9), the inner wall of the vertical part of each L-shaped through hole (10) is in sliding connection with a pressure rod (11), the lower end of each pressure rod (11) and the inner wall of each L-shaped through hole (10) are fixedly connected with two reset springs (12), a push-pull rod (13) is rotatably connected to the rod wall at the lower end of each pressure rod (11), one end, far away from the corresponding pressure rod (11), of each push-pull rod, the upper end fixedly connected with locating plate (15) of depression bar (11), the upper end fixedly connected with of dead lever (9) is locating piece (16) that corresponds with locating plate (15), locating piece (16) pass through stop gear joint with locating plate (15).

2. The cleaning mechanism of a full-automatic affinity purification instrument according to claim 1, wherein the limiting mechanism comprises a groove (17) formed in the side wall of the positioning block (16), the bottom of the groove (17) is fixedly connected with a limiting plate (18) through a thrust spring (22), one end of the limiting plate (18) located in the groove (17) is fixedly connected with a pull rod (19), and one end of the pull rod (19) far away from the limiting plate (18) extends out of the positioning block (16) through a through hole and is fixedly connected with a pull plate (20).

3. The washing mechanism of a fully automatic affinity purification instrument according to claim 2, characterized in that the upper side wall of the limit plate (18) is a slope.

4. The cleaning mechanism of a fully automatic affinity purification instrument according to claim 2, characterized in that a pull rope is fixedly connected to the surface of the pull plate (20).

5. The cleaning mechanism of a full-automatic affinity purification instrument according to claim 1, wherein the lower end of the fixing rod (9) is fixedly connected with a fixing rod, the lower end of the fixing rod is fixedly connected with a positioning slide block, and the upper end of the supporting plate (4) is provided with a positioning slide groove matched with the positioning slide block.