CN220788607U

CN220788607U - Carrier secondary positioning structure for automatic moving line

Info

Publication number: CN220788607U
Application number: CN202322472143.XU
Authority: CN
Inventors: 吴云昭; 刘伟; 李向广; 蔡克亚
Original assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Current assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-16
Anticipated expiration: 2033-09-12

Abstract

The application discloses a carrier secondary positioning structure for an automatic moving line, wherein a fixed base is used for providing support for a movable top block, the fixed base is arranged at a loading station of the automatic moving line, a supporting platform is used for bearing a plane micro-pore plate, when the automatic moving line drives the supporting platform to linearly translate to the loading station, the movable top block and the supporting platform are mutually inserted and positioned through at least two groups of wedge-shaped positioning blocks and wedge-shaped positioning grooves, and secondary positioning is realized on the supporting platform and the plane micro-pore plate placed on the supporting platform; the elastic piece is arranged between the fixed base and the movable jacking block, and when the supporting platform contacts the movable jacking block, the movable jacking block compresses the elastic piece to play a role of buffering, so that damage is avoided; the structure can ensure accurate liquid drop by arranging the movable top block, the accurate positioning support platform and the plane micro-pore plate.

Description

Carrier secondary positioning structure for automatic moving line

Technical Field

The application relates to the technical field of medical equipment, in particular to a carrier secondary positioning structure for an automatic moving wire.

Background

The microbial drug sensitivity engineering technology is a technology closely related to human beings in the present or future, the existing microbial pretreatment culture technology mainly takes manpower as a main part, and the technology provides microbial culture efficiency along with the continuous improvement of the microbial drug sensitivity verification demands of people, improves the working environment of operators and shortens the detection culture time, so that the technology is a requisite research subject.

The microbial pretreatment process comprises the steps of dripping a reagent onto a planar micro-pore plate, and forming arrayed liquid drops on the planar micro-pore plate; the planar micro-pore plate is supported and driven by a corresponding carrier to translate, and drops are stopped at a loading station and dripped into the planar micro-pore plate. The stop position of the planar micro-pore plate is difficult to ensure accuracy, so that drops dripped on the planar micro-pore plate cannot be accurately added in place.

Therefore, how to precisely position the planar microwell plate is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model provides an aim at provides a carrier secondary location structure for automatic moving line, can accurately realize the secondary location of liquid drop attachment subassembly.

In order to achieve the above purpose, the application provides a carrier secondary positioning structure for an automatic moving line, which comprises a fixed base, a movable top block and an elastic piece, wherein the fixed base is arranged at a loading station of the automatic moving line, the automatic moving line is used for driving a supporting platform to translate along a straight line, and the supporting platform is used for bearing a liquid drop attaching assembly;

the movable ejector block is assembled on the fixed base in a sliding way, and at least two groups of wedge-shaped positioning blocks and wedge-shaped positioning grooves for inserting and positioning are arranged in a matched mode with the liquid drop attaching assembly;

the elastic piece is arranged between the fixed base and the movable top block, and is used for applying elastic force along the driving direction of the automatic moving line to the movable top block.

Preferably, the fixed base is provided with a linear guide rail, and the movable top block can translate along the linear guide rail.

Preferably, the movable top block comprises a sliding mounting plate and a top block, and the sliding mounting plate and the top block are detachably and fixedly mounted; the sliding mounting plate is mounted on the linear guide rail.

Preferably, the top block is U-shaped, and the sliding mounting plate is provided with a step for positioning the top block.

Preferably, the wedge-shaped positioning block is arranged on the top block, and the wedge-shaped positioning groove is arranged on the liquid drop attaching assembly.

Preferably, a limiting plate is arranged on the fixed base, and a guide screw is slidably arranged on the limiting plate; one end of the guide screw is fixed on the movable jacking block, and the diameter of the bolt head of the guide screw is larger than the diameter of the opening arranged on the limiting plate.

Preferably, the elastic piece is a coil spring, and the elastic piece is sleeved on the periphery of the guide screw.

Preferably, the upper surface of the supporting platform is provided with a plurality of conical pins, and the conical pins are used for guiding and limiting the liquid drop attaching assembly.

Preferably, the droplet attaching assembly comprises a planar microplate and a microplate carrier, wherein the planar microplate is placed in a positioning groove formed in the microplate carrier, and the wedge-shaped positioning groove is formed in the outer side wall of the microplate carrier;

the depth of the locating groove of the microplate carrier is larger than the thickness of the planar microplate.

Preferably, a positioning magnet is encapsulated on the microplate carrier, and the positioning magnet and the planar microplate are magnetically attracted and positioned;

the micro-pore plate carrier is provided with a first hand avoiding position and a second hand avoiding position, the first hand avoiding position is used for taking out the plane micro-pore plate, and the second hand avoiding position is used for clamping by a clamping jaw.

Compared with the background art, according to the carrier secondary positioning structure for the automatic moving line, the fixed base is used for supporting the movable ejector block, the fixed base is arranged at the loading station of the automatic moving line, the supporting platform is used for bearing the plane micro-pore plate, when the automatic moving line drives the supporting platform to translate to the loading station along a straight line, the movable ejector block and the supporting platform are mutually inserted and positioned through at least two groups of wedge-shaped positioning blocks and wedge-shaped positioning grooves, and secondary positioning is realized on the supporting platform and the plane micro-pore plate placed on the supporting platform; the elastic piece is arranged between the fixed base and the movable jacking block, and when the supporting platform contacts the movable jacking block, the movable jacking block compresses the elastic piece to play a role of buffering, so that damage is avoided; the structure can ensure accurate liquid drop by arranging the movable top block, the accurate positioning support platform and the plane micro-pore plate.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

Fig. 1 is an axial schematic view of a secondary positioning structure of a carrier for an automatic moving line according to an embodiment of the present application;

FIG. 2 is a top view of a secondary positioning structure of a carrier for an automatic moving wire according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of a secondary positioning structure of a carrier for an automatic moving wire according to an embodiment of the present disclosure;

FIG. 4 is an isometric view of a self-moving wire provided in an embodiment of the present application;

FIG. 5 is a schematic top view of a self-moving wire provided in an embodiment of the present application;

FIG. 6 is an isometric view of a self-moving wire and support platform mated with one another as provided by an embodiment of the present application;

FIG. 7 is a top view of a robotic movement line and support platform in cooperation with one another in accordance with an embodiment of the present application;

FIG. 8 is a schematic front view of a droplet attachment assembly provided in an embodiment of the present application;

FIG. 9 is a schematic diagram of a droplet attachment assembly according to an embodiment of the present disclosure;

fig. 10 is a schematic diagram of a microplate carrier according to an embodiment of the present application.

In the figure: 1. the device comprises a fixed base 11, a linear guide rail 12, a limiting plate 2, a movable top block 21, a wedge-shaped positioning block 22, a sliding mounting plate 23, a top block 3, an elastic piece 4, an automatic moving line 5, a supporting platform 51, a conical pin 6, a guide screw 7, a liquid drop attaching assembly 71, a wedge-shaped positioning groove 72, a planar micro-pore plate 73, a micro-pore plate carrier 74, positioning magnets 75, a first avoidance position 76 and a second avoidance position.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

The application provides an automatic remove carrier secondary location structure for to drop attachment assembly 7 carries out the secondary location, makes the stop position of drop attachment assembly 7 more accurate, more accurately to drop attachment assembly 7 on the liquid feeding drop.

As shown in fig. 1 to 7, the secondary positioning structure of the carrier for the automatic moving line of the present application includes a fixed base 1, a movable top block 2 and an elastic member 3, the fixed base 1 is installed at a loading station of the automatic moving line 4, the automatic moving line 4 includes a guide rail and a driving device, the driving device can adopt a driving mode such as a screw rod, a belt, a chain, etc., and the present application is not repeated here; the automatic moving line 4 can drive the supporting platform 5 arranged on the automatic moving line 4 to move, namely the automatic moving line 4 is used for driving the supporting platform 5 to translate along a straight line. The support platform 5 is used for carrying the droplet attachment assembly 7, the support platform 5 moves the droplet attachment assembly 7 to different positions to perform corresponding operations, the position corresponding to each operation is called a station, other devices for completing the operations are correspondingly arranged at the corresponding station, for example, a loading station is provided with a sample adding device, and the sample adding device drops droplets to the droplet attachment assembly 7. The carrier secondary positioning structure for the automatic moving line is arranged at a loading station, when a supporting platform 5 drives a droplet attaching assembly 7 to move to the loading station, reagent droplets are dripped into the droplet attaching assembly 7, arrayed droplets are formed on the upper surface of the droplet attaching assembly 7, and the droplet attaching assembly 7 is used for bearing the droplets.

The movable ejector block 2 is slidably assembled on the fixed base 1, the movable ejector block 2 can move relative to the fixed base 1, the moving direction of the movable ejector block 2 is the same as the moving direction of the drop attaching assembly 7 driven by the supporting platform 5, and when the drop attaching assembly 7 moves towards the movable ejector block 2, the drop attaching assembly 7 can contact the movable ejector block 2 when reaching a loading station.

The movable ejector block 2 is matched with the liquid drop attaching assembly 7 to form at least two groups of wedge-shaped positioning blocks 21 and wedge-shaped positioning grooves 71 for insertion positioning, the wedge-shaped positioning blocks 21 are of convex block structures, the wedge-shaped positioning grooves 71 are of concave groove structures, the shapes of the wedge-shaped positioning blocks 21 and the wedge-shaped positioning grooves 71 are matched with each other, and the two wedge-shaped positioning blocks 21 and the wedge-shaped positioning grooves 71 can be just inserted into each other. The wedge-shaped positioning groove 71 is in a horn mouth shape with a small bottom and a large opening, the wedge-shaped positioning block 21 is in a wedge shape with a large bottom and a small top, the wedge-shaped positioning block 21 stretches into the wedge-shaped positioning groove 71 from the larger opening, and contacts with the inner wall of the wedge-shaped positioning groove 71 when the wedge-shaped positioning block 21 is inserted to the bottom, so that accurate positioning is realized.

The elastic piece 3 is arranged between the fixed base 1 and the movable top block 2, the elastic piece 3 is used for applying elastic force to the movable top block 2 along the driving direction of the automatic moving line 4, and when the supporting platform 5 drives the liquid drop attaching component 7 to contact the movable top block 2, the liquid drop attaching component 7 impacts the movable top block 2, so that the elastic piece 3 is compressed, and the buffering effect is achieved; the elastic piece 3 has the function that when the liquid drop attaching assembly 7 impacts the movable top block 2, a certain compression amount exists, so that the wedge-shaped positioning block 21 can be effectively ensured to be inserted into the wedge-shaped positioning groove 71 to be tightly attached, and the guiding precision is ensured; when the droplet landing assembly 7 is far from the movable roof block 2, the elastic member 3 returns the movable roof block 2 to its original position.

For convenience of explanation, the moving direction of the movable top block 2 is set to be an X axis, the vertical direction is a Z axis, the horizontal direction perpendicular to the X axis is a Y axis, the support platform 5 drives the droplet adhesion component 7 to approach the movable top block 2 along the X axis direction, when the wedge-shaped positioning block 21 and the wedge-shaped positioning groove 71 are mutually inserted, the outer surface of the wedge-shaped positioning block 21 contacts the inner wall of the wedge-shaped positioning groove 71, and the movable top block 2 cannot move in the Y axis direction, so that the position of the droplet adhesion component 7 in the Y axis direction can be accurately adjusted; the elastic piece 3 applies elastic force in the X-axis direction to the movable ejector block 2, so that the movable ejector block 2 generates X-axis thrust to the liquid drop attaching assembly 7, and the liquid drop attaching assembly 7 is tightly propped against the supporting platform 5. The carrier secondary positioning structure for the automatic moving line enables the liquid drop attaching assembly 7 to be positioned more accurately in the X-axis direction and the Y-axis direction, the liquid drop attaching assembly 7 stops at the loading station more accurately, and accurate liquid drop adding and dropping can be ensured.

In order to further optimize the above scheme, in this embodiment, be provided with linear guide 11 on the fixed base 1, movable kicking block 2 can follow linear guide 11 translation, movable kicking block 2 slidable mounting is in linear guide 11, linear guide 11's direction of direction is X axis direction, with the removal direction of liquid drop attachment assembly 7 the same, through linear guide 11's direction, make movable kicking block 2 can follow X axis direction accurately, guarantee movable kicking block 2's motion precision, adopt linear guide 11 can guarantee when movable kicking block 2 is by liquid drop attachment assembly 7 top, can smooth and easy carry out X axis direction's back-and-forth movement.

The movable top block 2 comprises a sliding mounting plate 22 and a top block 23, as shown in fig. 3, the sliding mounting plate 22 and the top block 23 can be detachably and fixedly mounted, and when the top block 23 is worn, the replacement of the top block 23 can be conveniently carried out; the sliding mounting plate 22 is mounted on the linear guide rail 11, and the sliding mounting plate 22 and the linear guide rail 11 cooperate with each other to realize the guiding function.

Preferably, the top block 23 in the application is in a U shape, two wedge-shaped positioning blocks 21 are respectively arranged at two ends of the U shape of the top block 23, and a step for positioning the top block 23 is arranged on the sliding mounting plate 22, so that the top block 23 can be accurately mounted on the sliding mounting plate 22; the top block 23 and the sliding mounting plate 22 can be fixed relatively by bolts, and can be fixed in other detachable manners, so that the sliding mounting plate is convenient and quick to detach and replace.

The wedge-shaped positioning block 21 is preferably arranged on the top block 23, the wedge-shaped positioning groove 71 is arranged on the liquid drop attaching assembly 7, no bulge exists on the periphery of the liquid drop attaching assembly 7, and the transfer and the transportation of the liquid drop attaching assembly are convenient. It should be noted that the wedge-shaped positioning block 21 and the wedge-shaped positioning groove 71 may be exchanged with each other, and the same positioning effect may be achieved.

Preferably, the limiting plate 12 is arranged on the fixed base 1, and the guide screw 6 is slidably arranged on the limiting plate 12; one end of the guide screw 6 is fixed on the movable top block 2, the diameter of the bolt head of the guide screw 6 is larger than the diameter of the opening arranged on the limiting plate 12, and the limiting plate 12 has the function of ensuring that when the liquid drop attaching assembly 7 is far away from the top block, the elastic piece 3 rebounds the sliding mounting plate 22 to the original position, and at the moment, the bolt head of the guide screw 6 contacts the limiting plate 12 to play a limiting role of the original position of the sliding mounting plate 22.

Specifically, the elastic piece 3 is a coil spring, the elastic piece 3 is sleeved on the periphery of the guide screw 6, the elastic piece 3 plays a limiting role on the guide screw 6, and the elastic force of the elastic piece 3 can be ensured to be opposite to the movable jacking block 2.

The position guarantees the relative position of the drop attaching assembly 7 and the supporting platform 5, and a plurality of conical pins 51 are arranged on the upper surface of the supporting platform 5, and normally, each side edge of the drop attaching assembly 7 corresponds to two conical pins 51, and the conical pins 51 are used for guiding and limiting the drop attaching assembly 7. The conical pin 51 is of a conical structure with a small top and a large bottom, when the liquid drop attaching assembly 7 is placed, a certain fault-tolerant space is provided, the side edge of the liquid drop attaching assembly 7 contacts the side wall of the conical pin 51, the liquid drop attaching assembly 7 is guided by the conical pin 51 in the falling process, and the liquid drop attaching assembly 7 reaches a precise position when contacting the upper surface of the supporting platform 5.

When the droplet attaching unit 7 reaches the loading station, the movable top block 2 applies an X-axis pushing force to the droplet attaching unit 7, the droplet attaching unit 7 is pushed against the tapered pin 51, and the bottom of the tapered pin 51 is of an equal-diameter cylindrical structure, so that the droplet attaching unit 7 can be prevented from moving upwards.

As shown in fig. 7 to 10, the droplet attaching unit 7 includes a planar microplate 72 and a microplate carrier 73, the planar microplate 72 is placed in a positioning groove provided in the microplate carrier 73, and a wedge-shaped positioning groove 71 is provided on an outer side wall of the microplate carrier 73.

The locating groove depth of the microplate carrier 73 is larger than the thickness of the planar microplate 72, the planar microplate 72 can be stacked after being placed in the microplate carrier 73, and the original dry reagent on the planar microplate 72 cannot be smeared.

The locating magnet 74 is arranged on the micro-pore plate carrier 73 in a packaged mode, a groove is formed in the bottom face of the micro-pore plate carrier 73, the locating magnet 74 is placed in the groove, and the locating magnet 74 can be sealed through stainless steel sheet packaging, so that the magnet can be prevented from rusting and falling off, the carrier can be used in a wet environment, and the carrier can be soaked into water for cleaning. A steel sheet is arranged on the planar micro-pore plate, and the positioning magnet 74 and the planar micro-pore plate are magnetically attracted for positioning, so that the stability of the liquid drop attaching assembly 7 is ensured.

The first hand avoiding position 75 and the second hand avoiding position 76 are arranged on the micro-pore plate carrier 73, the first hand avoiding position 75 is a notch arranged on one side wall of the micro-pore plate carrier 73, the first hand avoiding position 75 is used for providing for taking out the planar micro-pore plate 72, when the planar micro-pore plate 72 needs to be taken out, one finger is pressed on the lower surface of the planar micro-pore plate 72 through the first hand avoiding position 75, and the other finger is pressed on the upper surface of the planar micro-pore plate 72, so that the planar micro-pore plate 72 can be conveniently taken out. The second hand avoiding position 76 is used for clamping the clamping jaw, the second hand avoiding position 76 is arranged on two opposite side walls of the micro-pore plate carrier 73, the second hand avoiding position 76 can be of a notch structure or a step groove, each clamping jaw is pressed on one second hand avoiding position 76, and when the plane micro-pore plate 72 is placed on a table top or a plane, clamping is facilitated.

It should be noted that, this application realizes the secondary location to drop attachment assembly 7 through movable kicking block 2, and drop attachment assembly 7 stops more accurate in position when loading station to guarantee accurate dropwise add liquid drop.

Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The carrier secondary positioning structure for the automatic moving line is characterized by comprising a fixed base, a movable top block and an elastic piece, wherein the fixed base is arranged at a loading station of the automatic moving line, the automatic moving line is used for driving a supporting platform to translate along a straight line, and the supporting platform is used for bearing a liquid drop attaching assembly;

2. The secondary positioning structure of a carrier for an automatic moving line according to claim 1, wherein the fixed base is provided with a linear guide rail, and the movable top block can translate along the linear guide rail.

3. The carrier secondary positioning structure for an automatic moving line according to claim 2, wherein the movable top block comprises a sliding mounting plate and a top block, and the sliding mounting plate and the top block are detachably and fixedly mounted; the sliding mounting plate is mounted on the linear guide rail.

4. The secondary positioning structure of a carrier for an automatic moving line according to claim 3, wherein the top block is U-shaped, and the sliding mounting plate is provided with a step for positioning the top block.

5. The secondary positioning structure of a carrier for an automatic moving wire according to claim 4, wherein the wedge-shaped positioning block is disposed on the top block, and the wedge-shaped positioning groove is disposed on the droplet attaching unit.

6. The secondary positioning structure of a carrier for an automatic moving line according to claim 5, wherein a limiting plate is arranged on the fixed base, and a guide screw is slidably arranged on the limiting plate; one end of the guide screw is fixed on the movable jacking block, and the diameter of the bolt head of the guide screw is larger than the diameter of the opening arranged on the limiting plate.

7. The secondary positioning structure of a carrier for an automatic moving wire according to claim 6, wherein the elastic member is a coil spring, and the elastic member is sleeved on the periphery of the guide screw.

8. The secondary positioning structure of a carrier for an automatic moving line according to claim 1, wherein a plurality of tapered pins are arranged on the upper surface of the supporting platform, and the tapered pins are used for guiding and limiting the droplet attachment assembly.

9. The secondary positioning structure of a carrier for an automatic moving line according to claim 8, wherein the droplet attaching assembly comprises a planar microplate and a microplate carrier, the planar microplate is placed in a positioning groove provided in the microplate carrier, and the wedge-shaped positioning groove is provided on an outer sidewall of the microplate carrier;

10. The secondary positioning structure of a carrier for an automatic moving line according to claim 9, wherein a positioning magnet is encapsulated on the microplate carrier, and the positioning magnet and the planar microplate are magnetically attracted and positioned;