CN213556752U

CN213556752U - Magnetic stirring device

Info

Publication number: CN213556752U
Application number: CN202022217307.0U
Authority: CN
Inventors: 吴庭天; 陈宗铸; 陈小花; 雷金睿; 李苑菱
Original assignee: Hainan Academy of Forestry
Current assignee: Hainan Academy of Forestry
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-29
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a magnetic stirring device, which comprises a machine body and a workbench arranged on the machine body, wherein, two sides of the machine body are respectively provided with a vertical frame, the top of the vertical frame is provided with a cross frame, the cross frame is horizontally provided with a guide rail, the end part of the guide rail is provided with a lead screw motor, a lead screw of the lead screw motor is positioned above the guide rail, the lead screw is parallel to the guide rail, a lead screw slider is sheathed on the lead screw, and lead screw slider and guide rail sliding fit, the vertical lift cylinder that is equipped with in lead screw slider bottom, lift cylinder lower extreme piston rod is connected with the upper end of drawing the pole, the lower extreme that draws the pole is equipped with the magnetic part, the workstation right side is equipped with the washing tank, the washing tank right side is equipped with holds the groove, the washing tank lower part is the bucket form, the washing tank bottom is equipped with the outlet, the outlet top is equipped with and separates the net, washing tank both sides upper portion is equipped with the spray pipe respectively, it is equipped with the apron to hold groove top the right, the. The utility model discloses collect magnetic stirrers and take out, wash and hold function in an organic whole, have convenient to use's advantage.

Description

Magnetic stirring device

Technical Field

The utility model belongs to the technical field of the laboratory glassware, concretely relates to magnetic stirring device.

Background

Various samples sampled during forestry investigation are brought back to the laboratory for further processing and testing to quantitatively analyze various indexes. The principle of the magnetic stirring device is that a magnetic stirrer in a container placed on a workbench is pushed by the action of a magnetic field, so that the magnetic stirrer rotates in liquid, and stirring is realized. Most of the magnetic stirrers are magnets coated with corrosion-resistant plastics on the outer layers, and most of the magnetic stirrers are rod-shaped structures. After magnetic stirring finishes, need take out and wash magnetic stirrers, prior art uses tweezers to take out magnetic stirrers mostly, however has the problem of being difficult to the clamp and getting, and when wasing, magnetic stirrers also drops from tweezers easily moreover, and the operation is inconvenient to magnetic stirrers is less, has the scheduling problem of losing easily. For this reason, it is necessary to develop a magnetic stirring apparatus capable of solving the above problems.

Disclosure of Invention

An object of the utility model is to provide a magnetic stirring device.

The utility model aims at realizing the purpose, which comprises a machine body and a workbench arranged on the machine body, wherein two sides of the machine body are respectively provided with a vertical frame, the top of the vertical frame is provided with a cross frame, the cross frame is horizontally provided with a guide rail, the end part of the guide rail is provided with a lead screw motor, a lead screw of the lead screw motor is positioned above the guide rail, the lead screw is parallel to the guide rail, a lead screw slider is sleeved on the lead screw and is in sliding fit with the guide rail, the bottom of the lead screw slider is vertically provided with a lifting cylinder, a piston rod at the lower end of the lifting cylinder is connected with the upper end of an extraction rod, the lower end of the extraction rod is provided with a magnetic part, the right side of the workbench is provided with a cleaning tank, the right side of the cleaning tank is provided with a containing groove, the cleaning tank and the containing groove are both positioned below the, the right of the top of the containing groove is provided with a cover plate, the middle of the cover plate is provided with a rectangular hole, and the left end of the rectangular hole is of an open structure.

The utility model has the advantages that: the utility model discloses collect magnetic stirrers and take out, magnetic stirrers and draw the pole washing and magnetic stirrers to hold the function in an organic whole, have convenient to use's advantage, and magnetic stirrers holds specially in holding the groove moreover, takes during also convenient to use, avoids losing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the holding tank;

in the figure: 1-machine body, 2-workbench, 3-vertical frame, 4-transverse frame, 5-guide rail, 6-screw rod motor, 7-screw rod slide block, 8-lifting cylinder, 9-extracting rod, 10-magnetic part, 11-cleaning tank, 12-holding tank, 13-isolating net, 14-water spray pipe, 15-cover plate and 16-rectangular hole.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and any alterations or replacements made based on the teachings of the present invention are all within the protection scope of the present invention.

As shown in the attached figures 1-2, the utility model comprises a machine body 1 and a workbench 2 arranged on the machine body 1, wherein, two sides of the machine body 1 are respectively provided with a vertical frame 3, the top of the vertical frame 3 is provided with a horizontal frame 4, the horizontal frame 4 is horizontally provided with a guide rail 5, the end part of the guide rail 5 is provided with a screw rod motor 6, a screw rod of the screw rod motor 6 is positioned above the guide rail 5, the screw rod is parallel to the guide rail 5, a screw rod slider 7 is sleeved on the screw rod, and the screw rod slider 7 is in sliding fit with the guide rail 5, the bottom of the screw rod slider 7 is vertically provided with a lifting cylinder 8, the piston rod at the lower end of the lifting cylinder 8 is connected with the upper end of an extraction rod 9, the lower end of the extraction rod 9 is provided with a magnetic part 10, the right side of the workbench 2 is provided with a cleaning tank 11, the right side of the cleaning tank, the top of the water outlet is provided with a separation net 13, the upper parts of two sides of the cleaning tank 11 are respectively provided with a water spraying pipe 14, the right of the top of the containing tank 12 is provided with a cover plate 15, the middle part of the cover plate 15 is provided with a rectangular hole 16, and the left end of the rectangular hole 16 is of an open structure.

Preferably, the magnetic member 10 is a magnet wrapped with a corrosion-resistant layer, and the corrosion-resistant layer may be a teflon layer.

Preferably, the magnetic member 10 is in the shape of a strip, which is beneficial to adsorbing the magnetic stirrer.

Preferably, the width of the magnetic member 10 is smaller than the width of the rectangular hole 16, so that the magnetic member 10 can pass through the rectangular hole 16, and the magnetic stirrer is blocked by the rectangular hole 16.

Preferably, the spray pipe 14 is connected to a water supply pipe, the water supply pipe is provided with an electromagnetic valve, the electromagnetic valve is an electrically controlled valve well known to those skilled in the art, and the electromagnetic valve can be controlled to automatically open and close by matching with a controller, so as to realize automatic water spraying of the spray pipe 14.

Preferably, the cover plate 15 is made of transparent material, so that the magnetic stirrer in the holding tank 12 can be observed and taken out conveniently.

Preferably, a water filter screen is disposed at the lower part of the inside of the holding tank 12 to filter the residual washing water on the magnetic stirrer.

Preferably, the automatic lifting device further comprises a controller, the controller is respectively electrically connected with the screw rod motor 6 and the lifting cylinder 8, the controller is control equipment familiar to those skilled in the art, for example, a PLC controller, a clock is arranged in the PLC controller, and the controller controls the stroke and the starting sequence of the screw rod motor 6 and the lifting cylinder 8, so that the automatic work of the screw rod motor 6 and the lifting cylinder 8 can be realized.

The utility model discloses theory of operation and working process: firstly, a container filled with feed liquid is placed on a workbench 2, then a magnetic stirrer is placed into the feed liquid, and the magnetic stirrer continuously rotates to stir the feed liquid after starting up; after stirring, starting the lifting cylinder 8, lowering the extraction rod 9 along with the magnetic part 10 from the initial height position and sinking into liquid, contacting the magnetic part 10 with the magnetic stirrer and sucking the magnetic stirrer, and then lifting the magnetic part 10 to a position higher than the container by the lifting cylinder 8; then a screw rod motor 6 is started, a screw rod sliding block 7 starts to move from an initial position (namely above a workbench 2), a lifting cylinder 8, an extraction rod 9, a magnetic part 10 and a magnetic stirrer adsorbed on the magnetic part 10 are driven to move to the position above a cleaning tank 11 in the moving process and then stop, the lifting cylinder 8 controls the extraction rod 9, the magnetic part 10 and the magnetic stirrer to fall into the cleaning tank 11, a water spray pipe 14 sprays water to the extraction rod 9 and the magnetic part 10 for cleaning, the magnetic stirrer falls on a partition net 13 under the impact force of the sprayed water, the sprayed water is sprayed on the inner wall of the cleaning tank 11 and continuously flows downwards, and the magnetic stirrer is continuously washed; after washing for a period of time, stopping spraying water, and then controlling the lifting cylinder 8 to descend the extraction rod 9 for a certain distance to enable the magnetic part 10 to be in contact with and adsorbed by the magnetic stirrer; then the lifting cylinder 8 controls the extraction rod 9 to lift to the position where the magnetic part 10 is higher than the cleaning tank 11; then the screw motor 6 is started again, the magnetic stirrer is conveyed to the position above the containing groove 12, the lifting cylinder 8 is controlled to lower the magnetic stirrer into the containing groove 12 from the opening of the containing groove 12 on the side surface of the cover plate 15, then the screw motor 6 is started to enable the extraction rod 9 to enter the rectangular hole 16 from the open structure at the left end of the rectangular hole 16 for a certain distance, then the lifting cylinder 8 is started to lift the extraction rod 9 to the initial height position, the magnetic stirrer is clamped and falls off by the rectangular hole 16 in the lifting process, and the magnetic stirrer falls into the containing groove 12; the screw rod motor 6 is started to drive the screw rod slide block 7 to return to the initial position to wait for the next work; the magnetic stirrer waits for the next taking in the holding tank 12.

Claims

1. A magnetic stirring device comprises a machine body (1) and a workbench (2) arranged on the machine body (1), and is characterized in that stand frames (3) are respectively arranged on two sides of the machine body (1), a cross frame (4) is arranged at the top of each stand frame (3), a guide rail (5) is horizontally arranged on each cross frame (4), a lead screw motor (6) is arranged at the end part of each guide rail (5), a lead screw of each lead screw motor (6) is positioned above each guide rail (5), the lead screw is parallel to each guide rail (5), a lead screw sliding block (7) is sleeved on the lead screw, the lead screw sliding block (7) is in sliding fit with each guide rail (5), a lifting cylinder (8) is vertically arranged at the bottom of each lead screw sliding block (7), a piston rod at the lower end of each lifting cylinder (8) is connected with the upper end of an extraction rod (9), a magnetic part (10) is arranged at the lower end of the extraction rod (, washing tank (11) right side is equipped with holds groove (12), washing tank (11), holds groove (12) and all is located the lead screw below, washing tank (11) lower part be the bucket form, washing tank (11) bottom is equipped with the outlet, the outlet top is equipped with and separates net (13), washing tank (11) both sides upper portion be equipped with spray pipe (14) respectively, hold groove (12) top the right be equipped with apron (15), apron (15) middle part is equipped with rectangular hole (16), rectangular hole (16) left end is for opening the structure.

2. The magnetic stirring apparatus of claim 1, wherein the magnetic member (10) is a magnet coated with a corrosion-resistant layer.

3. Magnetic stirring device according to claim 1, characterized in that said magnetic element (10) is in the form of a strip.

4. A magnetic stirring device according to claim 3, characterized in that the width of the magnetic member (10) is smaller than the width of the oblong hole (16).

5. Magnetic stirring device according to claim 1, characterized in that the water spray pipe (14) is connected to a water supply pipe, which is provided with an electromagnetic valve.

6. Magnetic stirring apparatus according to claim 1, characterized in that the cover plate (15) is made of transparent material.

7. Magnetic stirring device according to claim 1, characterized in that the lower part of the tank (12) is provided with a strainer.

8. The magnetic stirring device of claim 1, further comprising a controller electrically connected to the lead screw motor (6) and the lifting cylinder (8), respectively.