CN212424583U

CN212424583U - Anti-static cup pushing device

Info

Publication number: CN212424583U
Application number: CN202020267873.XU
Authority: CN
Inventors: 程思奇; 吴冬; 苗新利
Original assignee: Suzhou Hybiome Biomedical Engineering Co Ltd
Current assignee: Suzhou Hybiome Biomedical Engineering Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-01-29
Anticipated expiration: 2030-03-06

Abstract

The application relates to an anti-static cup pushing device, comprising: a base having a support surface for supporting the reaction cup to slide and storing the reaction cup; the pushing member is movably arranged on the base and used for pushing the reaction cup to move from a loading position to a storage position along the supporting surface; the pushing part comprises a push plate, the plate surface of the push plate is perpendicular to the supporting surface, bosses are arranged on two sides of the plate surface of the push plate, and the push plate is made of an insulating material; and the transmission mechanism is used for driving the pushing piece to move and is driven by the driving device. The beneficial effect of this application is: the cost is low, and static electricity on the reaction cup is eliminated without adding a static electricity elimination fan or a static brush and other traditional means; the structural design is simple, and the client is convenient to replace and maintain.

Description

Anti-static cup pushing device

Technical Field

The application belongs to the technical field of medical equipment, and particularly relates to an anti-static cup pushing device.

Background

In the chemiluminescence immunoassay, reaction cup loading and conveying are the basis of stable operation of the instrument, operators need to place enough reaction cups in a designated area of the instrument and then the reaction cups are loaded by a transmission mechanism in the instrument, and the reaction cups used by the existing medium-sized and large-sized chemiluminescence instruments are generally in a single-cup or six-combined-cup structure.

The loading mode of the single cup is generally a feeding mechanism, namely, a stirring mechanism and a conveying mechanism are used for conveying disordered reaction cups in the hopper to a track and are arranged in order so as to be convenient for carrying out the next step of carrying. The six-linked cup mostly adopts a mode of pushing the cup mechanism to push the reaction cup to a working area, and the specific working mode is as follows: the staff is put the reaction cup and is put the cup district, and the sensor detects behind the reaction cup, pushes away cup mechanism and begins to promote the reaction cup forward, pushes away the position and pushes away cup mechanism through opto-coupler signal drive and retreat and break away from the reaction cup, sees utility model patent CN 203921888U for details.

However, when the humidity of the working environment is low, the front push plate of the cup pushing mechanism is separated from the reaction cup instantaneously, and the reaction cup is pulled down or deviates from the correct position due to the action of electrostatic adsorption force, so that the cup clamping fault is caused. This physical phenomenon is called electrostatic induction, that is, when the conductive body is brought close to a charged object, electrons in the conductive body move, and the surface opposite to the charged object is charged with electricity having the opposite polarity to the charged object.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the reaction cup is induced by static electricity, the anti-static cup pushing device is provided.

The utility model provides a technical scheme that its technical problem adopted is:

an anti-static cup pushing device, comprising:

a base having a support surface for supporting the reaction cup to slide and storing the reaction cup;

the pushing member is movably arranged on the base and used for pushing the reaction cup to move from a loading position to a storage position along the supporting surface; the pushing part comprises a push plate, the plate surface of the push plate is perpendicular to the supporting surface, bosses are arranged on two sides of the plate surface of the push plate, and the push plate is made of an insulating material;

and the transmission mechanism is used for driving the pushing piece to move and is driven by the driving device.

Preferably, the utility model discloses a prevent static and push away cup device, drive mechanism includes:

a synchronous pulley;

rotary pulleys provided in pairs corresponding to the synchronous pulleys;

a synchronous belt arranged between the synchronous pulley and the rotary pulley;

synchronous pulley, gyration band pulley, hold-in range are equipped with two sets ofly altogether, follow the moving direction of propelling movement spare sets up symmetrically the both sides of holding surface, the surface of holding surface is equipped with sunken storage tank, the hold-in range embedding is installed in the storage tank.

Preferably, the utility model discloses a prevent static and push away cup device, the material of push pedal is for having the polyformaldehyde that adds the antistatic agent.

Preferably, in the anti-static cup pushing device of the present invention, a pair of opposed optical couplers are respectively disposed at two sides of the feeding position of the pushing member, and the opposed optical couplers are electrically connected to the driving device;

when the opposite optical coupler senses that the reaction cup is at the feeding position, the automatic control driving device starts to drive the pushing piece to advance to convey the reaction cup.

Preferably, in the anti-static cup pushing device of the present invention, the storage position is provided with a first blocking member, and the first blocking member can block the reaction cup that moves under the pushing of the pushing member; the pushing member further comprises a sensor capable of sensing that the pushing plate is extruded, the sensor is electrically connected with the driving device, and when the pushing plate is extruded, the sensor controls the driving device to drive the pushing member to return to the material loading position.

Preferably, the utility model discloses a prevent static and push away cup device, push member is still including connecting fixing base on the hold-in range, it blocks the piece still to be equipped with the second that extends to the fixing base direction in the push pedal, the sensor sets up on the fixing base, can make when the push pedal is extrudeed the second blocks the piece quilt the sensor response.

Preferably, the utility model discloses a prevent static and push away cup device, the fixed third in one side of pushing member blocks the piece, and the final position that pushing member moves back is equipped with and blocks the complex opto-coupler that resets with the third, and the opto-coupler that resets is connected with the initiative motor electricity, and automatic control promptly when the opto-coupler that resets senses the third and blocks the piece drive arrangement stop work.

Preferably, the utility model discloses a prevent static and push away cup device, the base middle part also is equipped with the storage tank, is equipped with the guide rail along push member moving direction in the storage tank, and the guide rail setting is between two hold-in ranges, the lower extreme middle part of fixing base be equipped with guide rail complex slider.

Preferably, the utility model discloses a prevent static and push away cup device is equipped with the holding hole on the fixing base, be equipped with on the propelling part with holding hole cooperation, mobilizable slider that holds in the holding hole, the moving direction of slider is on a parallel with propelling part moving direction, and is equipped with the spring between fixing base and the propelling part.

Preferably, the utility model discloses a prevent static and push away cup device, the axle sleeve is established and the setting is in holding the hole to the cover on the slider, the axle sleeve spacing in the holding is downthehole, and the spring housing is established on the slider, the spring both ends support push pedal and axle sleeve respectively.

The utility model has the advantages that: the cost is low, and static electricity on the reaction cup is eliminated without adding a static electricity elimination fan or a static brush and other traditional means;

the structural design is simple, and the client is convenient to replace and maintain.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a top view of the overall structure of the anti-static cup pushing device of the present embodiment;

FIG. 2 is an enlarged schematic view of detail A;

FIG. 3 is a front view of the overall structure of the anti-static cup pushing device of the present embodiment;

FIG. 4 is a cross-sectional view B-B of FIG. 1;

FIG. 5 is a cross-sectional view C-C of FIG. 2;

FIG. 6 is a perspective view of a push plate structure of the anti-static cup pushing device of the present embodiment;

FIG. 7 is a schematic view of a reaction cup pushed by a pushing plate of the anti-static cup pushing device according to this embodiment.

Reference numerals in the drawings: 1. a reaction cup; 2. a base; 22. a support surface; 24. a containing groove; 26. a guide rail; 3. a fixed seat; 302. a fixed block; 304. a pin; 31. a slider; 32. a housing hole; 322. mounting grooves; 33. an optical coupler; 34. a spring; 35. a baffle plate; 36. a flat head screw; 362. flatheaded; 37. a shaft sleeve; 38. a screw; 382. a boss; 384. a screw hole; 39. resetting the blocking piece; 4. an active motor; 52. a synchronous pulley; 54. a rotating pulley; 56. a fixed shaft; 58. a synchronous belt; 6. a correlation optical coupler; 7. pushing the plate; 71. a boss; 8. a baffle plate; 9. and resetting the optocoupler.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

This embodiment provides a reaction cup storing and pushing mechanism, as shown in fig. 1-5, a base 2, said base 2 having a supporting surface 22 for supporting the reaction cup 1 to slide and storing the reaction cup 1;

the pushing component is movably arranged on the base 2 and used for pushing the reaction cup to advance along the supporting surface 22; the pushing part comprises a push plate 7, the plate surface of the push plate 7 is perpendicular to the supporting surface 22, bosses 71 are arranged on two sides of the plate surface of the push plate 7, and the push plate 7 is made of an insulating material (specifically, polyformaldehyde, preferably polyformaldehyde added with an antistatic agent);

The base 2 extends transversely to form a strip shape, the two sides of the base are respectively provided with an accommodating groove 24 along the moving direction of the pushing piece, and the synchronous belt transmission mechanism is arranged in the accommodating groove 24. The driving device is a driving motor 4 which is fixed on the base 2 and one end of the pushing member, which points to the advancing direction. The synchronous belt transmission mechanism comprises two synchronous belt wheels 52 respectively fixed at two ends of the driving motor 4, and two rotary belt wheels 54 arranged at one end of the base 2 in the retreating direction of the pushing member, wherein the two rotary belt wheels 54 are arranged on a fixed shaft 56 fixed on the base 2, and the two rotary belt wheels 54 are in one-to-one correspondence with the two synchronous belt wheels 52. The synchronous pulley 52 and the rotary pulley 54 are respectively provided with a synchronous belt 58, and specifically, one end of the synchronous belt 58 is wound on the synchronous pulley 52, and the other end is wound on the rotary pulley 54. The pushing member is fixed on the synchronous belt 58, so that when the driving motor 4 rotates to drive the synchronous belt wheel 52 to rotate so as to drive the synchronous belt 58 to transmit, the pushing member can move. In addition, the base 2 comprises a horizontal supporting surface 22, the synchronous belt 58 is arranged lower than the supporting surface 22 of the base 2, so that the reaction cup 1 is placed on the supporting surface 22, the bottom of the reaction cup is spaced from the synchronous belt 58 in the accommodating groove 24, and the synchronous belt 58 drives the pushing member to move, so that the reaction cup 1 can be pushed to stably slide on the supporting surface 22.

On the base 2, the pushing member pushes the feeding position of the reaction cup 1, the pair of opposite-emitting optical couplers 6 are respectively arranged on two sides of the feeding position and can be specifically arranged on the supporting surface 22, the pair of opposite-emitting optical couplers 6 are electrically connected with the driving motor 4, and once the reaction cup 1 is sensed to be located between the two opposite-emitting optical couplers 6 at the feeding position, the driving motor 4 is automatically controlled to start and drive the pushing member to advance to convey the reaction cup 1. The energy consumption of starting in advance before the reaction cup 1 is placed is avoided, the reaction cup 1 can be guaranteed to start working once being placed, and the efficiency is guaranteed. More specifically, the included angle formed by the light path direction of the pair of reflected light couplers 6 and the moving direction of the pushing member is an acute angle, the sensing area is a rectangular area taking the connecting line of the two pairs of reflected light couplers 6 as a diagonal line, the requirement on the accuracy of the angle of the reaction cup 1 relative to the feeding direction of the pushing member is low when the reaction cup is placed in the rectangular area, the reaction cup can be started to work, the pushing member is in contact with the reaction cup 1 after being started and pushes the reaction cup 1 to naturally adjust the angle, and the automation degree of the device is further improved.

The end position of the pusher for pushing the reaction cup 1 to advance, namely the area of the base 2 for storing the reaction cup 1, is provided with a first barrier for blocking the reaction cup 1. Specifically, the first blocking member is a baffle 8, which extends longitudinally, perpendicular to the moving direction of the pushing member, and also extends upward perpendicular to the supporting surface 22 to form a barrier for blocking the reaction cup 1. The first cuvette 1 reaching the baffle plate 8 is stopped by the baffle plate 8 and stored in that position on the base 2, and the subsequent cuvettes 1 are stopped in that area at the corresponding positions by the previous cuvette 1.

The pusher is arranged on the timing belt 58 through a rear fixing seat 3. Fixed blocks 302 are fixedly arranged at two ends of the bottom of the fixed seat 3 respectively, and the fixed blocks 302 and the synchronous belt 58 are fixed through pins 304. The fixed seat 3 is provided with an accommodating hole 32 with an axis along the transverse direction, and the pushing member is provided with a sliding member which is matched with the accommodating hole 32 and can be movably accommodated in the accommodating hole 32. The moving direction of the sliding part is parallel to the moving direction of the pushing part, and a spring 34 is arranged between the fixed seat 3 and the pushing part. In particular, the slider comprises a first portion, a grub screw 36, directly associated with the thrust plate 7, and a second portion, a screw 38, one end of which is inserted in the housing hole 32, the grub screw 36 and the screw 38 being transversely screwed. Wherein the screw 38 comprises a rod-shaped body and a head arranged at one end of the body, the head being a boss 382 projecting radially outwards with respect to the body, and the head extending into the receiving hole 32, the tail of the body being provided with a coaxial threaded hole 384, the grub screw 36 comprising a grub 362 and a rod-shaped body with an external thread, the grub 362 being fixed to the thrust plate 7, the body being screwed by means of its external thread into a matching threaded hole 384 of the screw 38, so as to be connected to the screw 38. The body of the screw 38 is sleeved with a sleeve 37 and arranged in the accommodating hole 32, the sleeve 37 forms a step in the accommodating hole 32 which protrudes radially inwards relative to the hole wall of the accommodating hole 32, the inner diameter of the sleeve 37 is smaller than the outer diameter of the boss 382 of the screw 38, so that the sleeve 37 is matched with the boss 382 to limit the outward moving distance of the screw 38 in the accommodating hole 32 and prevent the screw 38 from being separated from the accommodating hole 32. Specifically, the outer end of the accommodating hole 32 is provided with a mounting groove 322, and when the screw 38 is placed in the accommodating hole 32, the shaft sleeve 37 is just embedded in the mounting groove 322, so that the push plate 7 is prevented from being compressed towards the fixing seat 3, the shaft sleeve 37 is squeezed into the deep part of the accommodating hole 32 by the spring 34, the mounting stability is improved, and the disassembly is facilitated. The spring 34 is sleeved on the body of the screw 38, and two ends of the spring respectively abut against the push plate 7 and the shaft sleeve 37. When the push plate is installed, the shaft sleeve 37 can be sleeved on the body of the screw 38 and placed in the accommodating hole 32, and then the flat head screw 36 connected with the push plate 7 is connected with the screw 38. When axle sleeve 37 damages and needs to be changed, loosen grub screw 36 and screw 38, can take out axle sleeve 37 and screw 38, take off old axle sleeve 37 and renew, install again, can guarantee the utility model discloses the normal work of whole device, convenient operation, increase of service life. Still be equipped with on the push pedal 7 to the second that 3 directions of fixing base extended and block piece, then be equipped with on the fixing base 3 and block piece complex sensor (second opto-coupler 33) with the second, sensor (second opto-coupler 33) is connected with active motor 4 electricity, and automatic control active motor 4 drives the propelling part and begins to retreat when sensor (second opto-coupler 33) senses the second and blocks the piece promptly. Specifically, the second is blockked the separation blade 35 of locating push pedal 7 back central authorities perpendicularly, and separation blade 35 is still perpendicular to holding surface 22, is pushed up to the back and is driven separation blade 35 rearward movement and be close to second opto-coupler 33 promptly when push pedal 7 on fixing base 3, senses separation blade 35 to second opto-coupler 33 and can start hold-in range 58 and drive fixing base 3 and push pedal 7 whole and retreat.

The fixed third of one side of propelling movement spare is blockked and is blockked the piece, and the termination point that the propelling movement spare receded is equipped with and blocks the complex opto-coupler 9 that resets with the third, and the opto-coupler 9 that resets is connected with initiative motor 4 electricity, and automatic control initiative motor 4 stop work promptly when the opto-coupler 9 that resets senses the third and blocks. Specifically, the third blocking member is a reset blocking piece 39 parallel to the moving direction of the pushing member, the reset optical coupler 9 is installed on the supporting surface 22 of the base 2, and the rear side of the reset blocking piece 39 is opposite to the reset blocking piece 39.

Preferably, the middle of the base 2 is also provided with a containing groove 24, the containing groove 24 is provided with a guide rail 26 along the moving direction of the pushing member, the guide rail 26 is arranged between the two synchronous belts 58, and the middle of the lower end of the fixing base 3 is provided with a sliding block 31 matched with the guide rail 26, so that when the driving motor 4 drives the synchronous belts 58 to drive the fixing base 3 to move, the fixing base 3 moves along the sliding rail, and the operation is stable and reliable.

The during operation, at first, will treat propelling movement reaction cup 1 and arrange initial position on base 2 holding surface 22 in, between a pair of correlation opto-coupler 6, correlation opto-coupler 6 senses putting into of reaction cup 1, control driving motor 4 promptly and start, drive hold-in range 58 drives push pedal 7 installed on fixing base 3 forward, push pedal 7 is with the propelling movement of reaction cup 1 forward simultaneously, stop for baffle 8 to reaction cup 1, push pedal 7 receives baffle 8's backpressure this moment, for fixing base 3 backward displacement, to responding to for second opto-coupler 33, control driving motor 4 reversal drive fixing base 3 and push pedal 7 retreat, the effect of buffering is played for fixing base 3 backward displacement's in-process spring 34 at baffle 8. The reset catch 39 on the fixing seat 3 is sensed by the reset optical coupler 9 on the base 2, and the reset optical coupler 9 controls the driving motor 4 to stop rotating, so that the push plate 7 stops at the initial position to prepare for pushing the reaction cup 1 by the next wheel. The subsequent pushing process of the reaction cup 1 and the resetting process of the push plate 7 are the same in principle, wherein each reaction cup 1 stops when being pushed forward to be blocked by a static reaction cup 1 in front. As shown in fig. 6 to 7, the push plate 7 of the present embodiment is provided with bosses 71: the direct contact area of the push plate 7 and the reaction cup 1 can be reduced through the lug boss 71, so that the charge quantity which can generate large coulomb force is reduced, and the distance between the body of the push plate 7 and the head of the metal screw fixed on the push plate and the reaction cup 1 is increased. The influence caused by electrostatic adsorption force is greatly weakened through the two aspects of reducing the charge quantity and increasing the distance.

Selecting the material of the push plate: according to the electrostatic induction phenomenon, static electricity only aims at the conductor material, if the push plate material is changed into an insulator, the electrostatic induction cannot be generated, and meanwhile, in order to ensure enough strength and wear resistance, the POM material is selected; after the material is replaced by POM material, although static induction can be eliminated, the pushing plate can also carry static electricity, in order to reduce the static electricity to the maximum extent, the POM with the antistatic agent is selected, and the finally selected material specification is POM-ESD 225.

It should be noted that the forward direction of the present invention refers to the direction in which the driving motor 4 rotates forward and the synchronous belt 58 drives the push plate 7 to move, i.e. the direction from the rotary belt wheel 54 to the baffle 8, and vice versa, the backward direction. The direction of moving along push pedal 7 is horizontal, in the horizontal plane, and the horizontal direction of perpendicular to is vertical, and wherein horizontal, vertically be the description convenient, all not right the utility model discloses the scheme constitutes the injecing.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. An anti-static cup pushing device is characterized by comprising:

a base (2), wherein the base (2) is provided with a supporting surface (22) for supporting the reaction cup (1) to slide and storing the reaction cup (1);

the pushing component is movably arranged on the base (2) and is used for pushing the reaction cup to move from a loading position to a storage position along the supporting surface (22); the pushing part comprises a push plate (7), the plate surface of the push plate (7) is perpendicular to the supporting surface (22), bosses (71) are arranged on two sides of the plate surface of the push plate (7), and the push plate (7) is made of an insulating material;

2. The anti-static cup pushing device according to claim 1, wherein the transmission mechanism comprises:

a timing pulley (52);

rotary pulleys (54) provided in pairs corresponding to the timing pulleys (52);

a timing belt (58) provided between the timing pulley (52) and the turning pulley (54);

synchronous pulley (52), revolving pulley (54), hold-in range (58) are equipped with two sets ofly altogether, follow push member's moving direction sets up symmetrically the both sides of holding surface (22), the surface of holding surface (22) is equipped with sunken storage tank (24), hold-in range (58) embedded installation is in storage tank (24).

3. The static-free cup pushing device is characterized in that the material of the pushing plate (7) is antistatic polyformaldehyde.

4. The anti-static cup pushing device according to claim 2, wherein a pair of correlation optical couplers (6) are respectively arranged at two sides of a feeding position of the pushing member, and the correlation optical couplers (6) are electrically connected with the driving device;

when the correlation optical coupler (6) senses that the reaction cup (1) is at the feeding position, the automatic control driving device starts to drive the pushing piece to advance to convey the reaction cup (1).

5. The anti-static cup pushing device according to claim 4, wherein the storage position is provided with a first blocking member capable of blocking the reaction cup (1) moved by the pushing member; the pushing member further comprises a sensor capable of sensing that the pushing plate (7) is extruded, the sensor is electrically connected with the driving device, and when the pushing plate (7) is extruded, the sensor controls the driving device to drive the pushing member to return to the loading position.

6. The anti-static cup pushing device according to claim 5, wherein the pushing member further comprises a fixed seat (3) connected to the synchronous belt (58), the pushing plate (7) is further provided with a second blocking member extending towards the fixed seat (3), the sensor is arranged on the fixed seat (3), and the pushing plate (7) can be pressed to enable the second blocking member to be sensed by the sensor.

7. The anti-static cup pushing device according to claim 6, wherein a third blocking part is fixed on one side of the pushing part, a reset optical coupler (9) matched with the third blocking part is arranged at the retreating termination position of the pushing part, the reset optical coupler (9) is electrically connected with the driving motor (4), and when the reset optical coupler (9) senses the third blocking part, the driving device is automatically controlled to stop working.

8. The anti-static cup pushing device according to claim 2 or 3, wherein a containing groove (24) is also formed in the middle of the base (2), a guide rail (26) along the moving direction of the pushing member is arranged in the containing groove (24), the guide rail (26) is arranged between the two synchronous belts (58), and a sliding block (31) matched with the guide rail (26) is arranged in the middle of the lower end of the fixed seat (3).

9. The anti-static cup pushing device according to any one of claims 1-7, wherein the fixed seat (3) is provided with a containing hole (32), the pushing member is provided with a sliding member which is movably contained in the containing hole (32) and is matched with the containing hole (32), the moving direction of the sliding member is parallel to the moving direction of the pushing member, and a spring (34) is arranged between the fixed seat (3) and the pushing member.

10. The anti-static cup pushing device according to claim 9, wherein the sliding member is sleeved with a shaft sleeve (37) and disposed in the accommodating hole (32), the shaft sleeve (37) is limited in the accommodating hole (32), the spring (34) is sleeved on the sliding member, and two ends of the spring (34) respectively abut against the pushing plate (7) and the shaft sleeve (37).