WO2012130131A1

WO2012130131A1 - Adding and pushing out device suitable for plate-type reagents

Info

Publication number: WO2012130131A1
Application number: PCT/CN2012/073102
Authority: WO
Inventors: 廖清华
Original assignee: Liao Qinghua
Priority date: 2011-03-30
Filing date: 2012-03-27
Publication date: 2012-10-04
Also published as: CN102221623B; CN102221623A

Abstract

Disclosed is an adding and pushing out device for plate-type reagents, comprising a fixing plate (1), a plate-type reagent placement disk (2), a reagent box placement mechanism (4), a pushing-in mechanism (5) and a pushing-out mechanism (6). The plate-type reagent placement disk (2) is mounted via a rotational shaft (25) to the fixing plate (1) and is brought into rotation by an electric motor (23) and a transmission mechanism (22), with the periphery of the plate-type reagent placement disk (2) being formed along the radial direction with a plurality of reagent grooves (27). The reagent box placement mechanism (4) is located beside the plate-type reagent placement disk (2), with plate-type reagents (3) being stacked in a reagent box (42), and an outlet port (423) and a pushing port (421) for the plate-type reagents (3) being formed under the reagent box (42). The pushing-in mechanism (5) is located beside the reagent box placement mechanism (4), with a pushing-in rod (52) being arranged via a rotational shaft (54) onto a bottom base (59), the pushing-in rod (52) being on the same centre line with the placement position of the reagent box (42) and a reagent groove (27) of the plate-type reagent placement disk (2), the pushing-in rod (52) presenting an appearance of sticking up at the front while being lowered at the back in a natural state, and with the bottom base (59) and the pushing-in rod (52) being brought into reciprocating movement by an electric motor (51) and a transmission mechanism (58). The pushing-out mechanism (6) comprises an electric motor (66), a transmission mechanism (69) and a pushing-out rod (63), with the pushing-out rod (63) and a reagent groove (27) of the plate-type reagent placement disk (2) being on the same centre line, and the pushing-out rod (63) being brought into reciprocating movement by the electric motor (66) and the transmission mechanism (69). By means of the device, the automatic adding and collecting of the plate-type reagents is achieved.

Description

Adding and ejecting device suitable for plate reagent

Technical field

The present invention relates to an automatic addition and ejection device suitable for use in a plate reagent.

Background technique

In the fields of medical examination, biological experiment, etc., many test reagents are designed as test strips, and the reagent components are pre-placed on the paper strips, and the specimens to be tested are dropped onto the designated positions on the test strips, the reagents on the specimens and the strips. The components can be reacted by contact, and the results are judged by a predetermined interpretation standard. The test strip is placed in a casing made of a hard material such as plastic, which is a plate-type reagent for easy grasping. At present, this technology has been widely used in the fields of medicine, animal, factory and other testing.

Most of the plate-type reagents are currently manually operated, and the reagents are manually removed and arranged on a workbench for testing; and the plate-type reagents are also grasped and transferred using a mechanical gripper. The disadvantages are: low manual operation efficiency and easy contamination; many mechanical grip components and high cost.

technical problem

It is an object of the present invention to provide a device for adding and ejecting a plate reagent, which enables the plate reagent to be automatically added and automatically discarded.

Technical solution

In order to achieve the above object, the present invention adopts the following technical solutions:

The utility model relates to a plate type reagent adding and pushing device, comprising a fixing plate, a plate type reagent placing plate, a reagent box placing mechanism, a pushing mechanism and a pushing mechanism; the plate type reagent placing plate is mounted on the fixing plate by a rotating shaft and driven by a motor and a transmission mechanism Rotating, the circumference of the plate reagent placing plate forms a plurality of reagent tanks in the radial direction; the reagent box placing mechanism is mounted on the fixing plate and is located beside the plate reagent placing tray, the plate reagent is stacked in the kit, and the plate reagent is corresponding to the lower part of the reagent box The reagent tank in which the disc is placed forms an outlet of the plate reagent and forms a push port in the opposite direction; The propulsion mechanism is mounted on the fixed plate and located beside the reagent box placement mechanism. The propulsion mechanism includes a motor, a transmission mechanism, a base and a propeller rod. The propulsion rod is mounted on the base through the rotating shaft, and the reagent rod placement position of the propulsion rod and the reagent box placement mechanism is provided. A reagent tank of the plate type reagent placing plate is on the same center line, and the push rod is in a forward and backward shape in a natural state, and the base and the push rod are driven forward by the motor and the transmission mechanism (pushing the plate type reagent into the reagent tank) And reciprocating motion after pushing; The launching mechanism includes a motor, a transmission mechanism, and a push rod. The push rod is on the same center line as a reagent tank of the plate type reagent placing tray, and the push rod is driven by the motor and the transmission mechanism to advance (to push the plate reagent out of the reagent tank) and push back. Reciprocating motion.

The rotating shaft of the plate type reagent placing disk is driven to rotate by a motor driven on the timing belt.

A return spring is installed between the propulsion rod and the rotating shaft, so that the propulsion rod is in a forward and backward shape in a natural state.

The push rod is a front light and heavy heavy seesaw, so that the push rod is in a natural state and is forward and rearward.

The push rod is assembled on the rotating shaft by a bearing.

The propulsion mechanism further includes a pair of optical rods, the base is sleeved on the optical rod, and the base is driven by the motor to drive the belt to perform reciprocating motion of forward and backward pushing on the optical rod.

The pushing mechanism further comprises a pair of optical rods and a support, the pushing rod is a folding rod, the pushing rod is fixed on the support, the support is sleeved on the light rod, and the support is driven by the motor to drive the belt to advance on the polished rod and Push back reciprocating motion.

The kit placement mechanism has two or more kits, all of which are mounted on the base frame, and the base frame is driven by the motor and the transmission mechanism to reciprocate, so that the position of the reagent box and a reagent of the push rod and the plate type reagent placing tray are provided. The slots are on the same centerline.

Beneficial effect

With the above structure, the present invention has the following advantages:

First, the structure is simple, the cost is low, and the transfer of the plate reagent does not require external power such as an air compressor;

Second, the plate type reagent placing plate can be designed to be circular, the reagent slots are arranged radially, saving space; and only one motor can be rotated to rotate;

The reagent tank placed on the plate reagent is separated in the middle to facilitate the movement of the rod; the bottom surface of the near center of the circle is high, the bottom surface of the reagent tank portion is low, and the push rod can be collected at the near center end portion of the disc without affecting the movement of the disc;

Third, the reagent is simply added. When the bottom plate reagent in the kit is pushed away, the upper reagent is dropped to the bottom of the reagent cartridge by using the weight of the plate reagent itself, that is, the preparation of the next reagent to be added is completed, which is simple. Convenient, no other institutions and manual assistance required;

4. The propeller rod can be mounted on the bearing and freely rotated. The propeller rod can be designed to be high in front and low in rear, and the rear end is light and heavy in the rear end. The rear end is supported by the base, and the propeller rod is restricted to rotate backward. With a little downward pressure, the front end of the push rod can be freely rotated downwards, which is flexible and convenient, and does not require special power supply;

5. With a push-out rod, the reagent is placed on the used reagent on the tray, without manually removing the reagent from the tray;

Sixth, through this mechanism, the automatic addition and automatic collection of plate reagents can be realized, and the efficiency is improved, the control is simple, and the cost is reduced.

DRAWINGS

Figure 1-1 is a whole diagram of the plate reagent addition and ejection mechanism;

Figure 1-2 shows the overall diagram of the plate reagent addition and ejection mechanism;

Figure 1-3 is an overall exploded view of the plate reagent addition and ejection mechanism;

Figure 2 is a schematic view of a plate reagent;

Figure 3 is a schematic view of the mechanism of the plate type reagent placing tray;

Figure 4 is a schematic view of a plate type reagent placing tray;

Figure 5 is a schematic view of the kit placement mechanism;

Figure 6 is a schematic view of the kit;

Figure 7 is a schematic view of the propulsion mechanism;

Figure 8 is a schematic view of the ejection mechanism;

Figure 9 is a schematic view of the ejection operation;

Figure 10-1 is a schematic diagram of a plurality of kit addition mechanisms;

Figure 10-2 is an exploded view of multiple kit addition mechanisms.

Embodiments of the invention

The present invention will be described in detail below with reference to Figs.

A device suitable for a plate type reagent adding and ejecting device, comprising a fixing plate 1, a plate type reagent placing plate 2, a reagent box placing mechanism 4, a propelling mechanism 5, and a pushing mechanism 6.

The plate type reagent placing tray 2 is mounted on the fixing plate 1 by means of a rotating shaft 25, and the plate type reagent is placed on the disk 2 and rotated by the motor 23 and the transmission mechanism (synchronous belt 22). The peripheral edge of the plate type reagent placing disk 2 forms a plurality of reagent grooves in the radial direction. 27.

The reagent box placing mechanism 4 is mounted on the fixing plate 1, the reagent box placing mechanism 4 is located beside the plate type reagent placing tray 2, the plate type reagent 3 is stacked in the reagent box 42, and the lower side of the reagent box 42 corresponds to the plate type reagent placing tray 2. The reagent tank 27 forms the outlet 423 of the plate reagent 3 and forms a push port 421 in the opposite direction.

The propulsion mechanism 5 is mounted on the fixed plate 1 and the propulsion mechanism 5 is located beside the reagent box placement mechanism 4. The propulsion mechanism 5 includes a motor 51, a transmission mechanism (belt 58), a base 59 and a propulsion rod 52, and the propulsion mechanism 5 further includes a For the light rod 57, the base 59 is sleeved on the light rod 57, and the push rod 53 is erected on the base 59 through the shaft bearing 54, the position of the push rod 52 and the reagent box 42 of the reagent box placement mechanism 4, and one of the plate reagent placing trays 2 The reagent tank 27 is on the same center line, and the push rod 52 is in a forward and backward shape in a natural state (a return spring can be installed between the push rod 52 and the rotating shaft, or the push rod 52 can be designed as a front light and heavy weight. The plate, the base 59 and the pusher 52 are driven by the motor 51 and the transmission mechanism (belt 58) to advance on the polished rod 57 (pushing the plate reagent 3 into the reagent tank 27) and the reciprocating motion.

The pushing mechanism 6 includes a motor 66, a transmission mechanism (belt 69) and an ejection lever 63. The ejection mechanism 6 further includes a pair of optical rods 64 and a holder 62. The holder 62 is sleeved on the optical rod 64, and the ejection rod 63 is fixed to the holder 62. The push-out lever 63 is a folding lever, and the push-out lever 63 is on the same center line as a reagent tank 27 of the plate-type reagent placing tray 2. The push-out lever 63 is driven by the motor 66 and the transmission mechanism (belt 69) to advance on the polished rod 64 ( The plate reagent 3 is pushed out of the reagent tank 27) and pushed back and forth.

In use, the plate reagent 3 is placed inside the reagent cartridge 42, and the reagent cartridge 42 is placed on the reagent cartridge placement mechanism 4. The initial position of the pusher lever 52 is at one end of the reagent cartridge 42 and is not in contact with the reagent cartridge 42. The initial position of the push-out lever 63 is located at the inner end of the plate-type reagent placing tray 2 so as not to interfere with the movement of the plate-type reagent placing tray 2.

The motor 23 is activated such that the centerline of one of the reagent reservoirs 27 is aligned with the centerline of the outlet 423 of the reagent cartridge 42. The motor 51 is started, and the pusher rod 52 is advanced. When the reagent cartridge 42 is passed, the plate reagent 3 at the bottom of the box is pushed to the reagent tank 27, and the push rod 52 is returned to the initial position.

The motor 23 is started, the empty reagent tank 27 is aligned with the outlet 423 of the reagent box 42, the motor 51 is started, and the above operation is repeated to realize continuous addition of the reagent.

When the plate reagent 3 in the reagent tank 27 needs to be pushed out, the motor 23 is started, so that the position of the reagent tank 27 to be pushed out is located on the same center line of the push rod 63, and the motor 66 can be started to push the plate reagent 3 on the reagent tank 27 out. , as shown in Figure 9.

As shown in FIGS. 10-1 and 10-2, the reagent cartridge placement mechanism 4 may have a plurality of reagent cartridges 42, all of which are mounted on a base frame 41 which is composed of a motor 71 and a transmission mechanism (belt 72). The reciprocating motion is carried out on the polished rod 73 so that the position of one of the reagent cartridges 42 is on the same center line as the pusher rod 52 and one reagent tank 27 of the plate type reagent placing tray 2. This organization can further improve efficiency, control is simple, and cost is reduced.

The above is a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by this concept is an act of infringing the scope of protection of the present invention.

Claims

The utility model relates to a plate type reagent adding and pushing device, which comprises: a fixing plate, a plate type reagent placing plate, a reagent box placing mechanism, a pushing mechanism and a pushing mechanism; the plate type reagent placing plate is mounted on the fixing plate by a rotating shaft and is driven by the motor And the transmission mechanism drives the rotation, and the circumference of the plate reagent placement tray forms a plurality of reagent tanks in the radial direction; the reagent box placement mechanism is mounted on the fixing plate and is located beside the plate reagent placement tray, and the plate reagent is stacked in the kit, the kit is The reagent tank corresponding to the plate reagent placement tray forms an outlet of the plate reagent and forms a push port in the opposite direction; the propulsion mechanism is mounted on the fixing plate and located beside the reagent placing mechanism, and the propulsion mechanism includes a motor, a transmission mechanism, a base and a propeller The push rod is erected on the base through the rotating shaft, and the push rod is placed on the same center line as the reagent tank of the reagent box placement mechanism, and the reagent rod of the plate type reagent placing tray is in the same center line, and the push rod is in the natural state and is in a forward and backward shape. The base and the push rod are driven by the motor and the transmission mechanism to perform reciprocating motion of forward and backward pushing; The mechanism includes a motor, a transmission mechanism and a push-out lever, with the introduction of a reagent reservoir plate rod reagent disk placed in the same center line, the push-out lever and a transmission mechanism driven by the motor to reciprocate forward and pushed back.
A plate reagent adding and ejecting device according to claim 1, wherein the rotating shaft of the plate type reagent placing disk is driven to rotate by a motor driven on the timing belt.
The apparatus for adding and ejecting a plate type reagent according to claim 1, wherein a return spring is installed between the push rod and the rotating shaft, so that the push rod is in a forward and backward shape in a natural state.
The apparatus for adding and ejecting a plate type reagent according to claim 1, wherein the push rod is a front light and heavy heavy seesaw, so that the push rod is in a forward and backward shape in a natural state.
A plate reagent addition and ejection device according to claim 1, wherein said push rod is assembled on a rotating shaft by a bearing.
The apparatus for adding and ejecting a plate type reagent according to claim 1, wherein the propulsion mechanism further comprises a pair of polished rods, the base is sleeved on the light rod, and the base is driven by the motor to the belt to drive the light rod. Do the reciprocating motion of forward and backward push.
The apparatus for adding and ejecting a plate type reagent according to claim 1, wherein the ejecting mechanism further comprises a pair of optical rods and a support, the ejecting rod is a folding rod, and the ejecting rod is fixed on the support. The seat is sleeved on the polished rod, and the support is driven by the motor to drive the belt to perform the reciprocating motion of the forward and backward push on the polished rod.
A device for adding and ejecting a plate type reagent according to claim 1, wherein said kit placement mechanism has two or more kits, all of which are mounted on a base frame, and the base frame is driven by a motor and a drive. The mechanism drives the reciprocating motion so that the position of the reagent kit is on the same center line as the one of the propeller rod and the plate reagent placing tray.