CN215901633U - Volumetric flask shakes even device - Google Patents
Volumetric flask shakes even device Download PDFInfo
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- CN215901633U CN215901633U CN202121847512.3U CN202121847512U CN215901633U CN 215901633 U CN215901633 U CN 215901633U CN 202121847512 U CN202121847512 U CN 202121847512U CN 215901633 U CN215901633 U CN 215901633U
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Abstract
The utility model relates to a volumetric flask shaking-up device, and belongs to the technical field of chemical detection experimental instruments in the metallurgical industry. The technical scheme is as follows: contain step motor (1), speed reducer (2), cylinder (5), flask (6), closing device (7), locating piece (8), frame (9) and base (11), step motor (1) is connected through speed reducer (2) and frame (9) drive, frame (9) rotate to be connected on base (11), a plurality of flask (6) are fixed in frame (9) through cylinder (5) and closing device (7) respectively, be equipped with locating piece (8) between two adjacent flasks (6). The utility model has the beneficial effects that: the utility model utilizes the air cylinder and the pressing device to firmly fix the volumetric flask in the frame, and has simple and reliable structure; through the rotation of controlling step motor, can carry out the swing and the rotating frame of arbitrary angle, the requirement of rocking of the various solutions of the satisfying of great degree, application scope is wide, and is efficient.
Description
Technical Field
The utility model relates to a volumetric flask shaking-up device, and belongs to the technical field of chemical detection experimental instruments in the metallurgical industry.
Background
In the existing chemical detection field, a volumetric flask is a commonly used liquid measuring instrument for preparing a solution with accurate concentration, and is mainly used for preparing a standard solution, accurately diluting the standard solution and preparing a sample solution by a direct method. In basic chemical operations, the solution is diluted to the mark using a volumetric flask, and the flask is shaken up and down 15 times with a lid. Shaking up after constant volume is the repeated operation of the regularity in the chemical detection field, and for more constant volume tests, this is the operation that consumes time and power very much, and shaking up if not operating according to the regulation, will produce great influence to the accuracy of testing result again. Simultaneously present volumetric flask constant volume shakes even operation and mostly is laboratory technician manually operation, rocks the in-process in the manual again because the body is smooth to lead to the bottle landing, causes the volumetric flask breakage or solution spill, directly leads to the operation in earlier stage all to make an uproar, reforms standard solution or dissolves sample solution and all can bring a large amount of operations. Therefore, it is necessary to design an automatic device capable of shaking up multiple volumetric flasks simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a volumetric flask shaking-up device, which is used for realizing the batch and automation of volumetric flask shaking-up operation, improving the detection efficiency and solving the problems in the background technology.
The technical scheme of the utility model is as follows:
the utility model provides a volumetric flask shakes even device, contains step motor, speed reducer, cylinder, flask, closing device, locating piece, frame and base, and step motor passes through the speed reducer and frame drive connects, and the frame rotates to be connected on the base, and a plurality of flask is fixed in the frame through cylinder and closing device respectively, is equipped with the locating piece between two adjacent flasks.
The pressing device comprises a top plate, a first spring, a second spring, a first ejector rod, a first rubber block, a second ejector rod and a second rubber block, the lower portion of the flask is spherical, the diameter of the upper portion of the flask is small, a groove matched with a lever of the cylinder is formed in the top plate, the first spring, the first ejector rod and the first rubber block are pressed on the upper portion of the flask through the top plate, and the second spring, the second ejector rod and the second rubber block are pressed on the lower portion of the flask through the top plate.
The rubber block I and the rubber block II are respectively fixed on the cylindrical upper part and the spherical lower part of the flask, the lower ends of the ejector rod I and the spring I are respectively fixed on the rubber block I, and the upper ends of the ejector rod I and the spring I are respectively supported on the top plate; the lower ends of the second ejector rod and the second spring are fixed on the second rubber block respectively, and the upper ends of the second ejector rod and the second spring are supported on the top plate respectively.
And a lever of the air cylinder is pressed in the groove of the top plate.
The frame is a rectangular frame, and two sides of the frame are respectively connected to the base in a rotating mode through bearings.
The utility model has the beneficial effects that: the utility model utilizes the air cylinder and the pressing device to firmly fix the volumetric flask in the frame, and has simple and reliable structure; through the rotation of controlling step motor, can carry out the swing and the rotating frame of arbitrary angle, the requirement of rocking of the various solutions of the satisfying of great degree, application scope is wide, and is efficient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a positioning device according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of the present invention;
in the figure: 1. the device comprises a stepping motor, 2, a speed reducer, 3, a coupler, 4, a first bearing, 5, a cylinder, 6, a flask, 7, a pressing device, 8, a positioning block, 9, a frame, 10, a second bearing, 11, a base, 12, a groove, 13, a top plate, 14, a first spring, 15, a second spring, 16, a first ejector rod, 17, a first rubber block, 18, a second ejector rod, 19 and a second rubber block.
Detailed Description
The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached drawings 1-3, the volumetric flask shaking device comprises a stepping motor 1, a speed reducer 2, a cylinder 5, flasks 6, a pressing device 7, a positioning block 8, a frame 9 and a base 11, wherein the stepping motor 1 is in driving connection with the frame 9 through the speed reducer 2, the frame 9 is rotatably connected to the base 11, a plurality of flasks 6 are respectively fixed in the frame 9 through the cylinder 5 and the pressing device 7, and the positioning block 8 is arranged between every two adjacent flasks 6.
In this embodiment, referring to fig. 1 and 3, a stepping motor 1 is installed on a speed reducer 2, the speed reducer 2 is installed on a base 11 and is installed on a central shaft of a frame 9 through a coupling 3, the frame 9 is installed on the base 11 through a first bearing 4 and a second bearing 10, an inner sleeve of the first bearing 4 and the second bearing 10 is installed on the central shaft of the frame 9, and an outer sleeve is installed on the base 11; the cylinder 5 is arranged at the upper part of the frame 9 through a flange, and a cylinder rod of the cylinder 5 passes through the frame 9 and is arranged in a groove 12 of the pressing device 7; the positioning block 8 is arranged at the bottom inside the frame 9, the lower part of the flask 6 is in a spherical shape with a larger diameter, and the upper part of the flask 6 is in a cylindrical shape with a smaller diameter.
Referring to the attached figure 2, the pressing device 7 comprises a top plate 13, a first spring 14, a second spring 15, a first ejector rod 16, a first rubber block 17, a second ejector rod 18 and a second rubber block 19, wherein the top plate 13 is installed at the top end of a cylinder rod of the air cylinder 5, one end of the first spring 14 is connected to the top plate 13, the other end of the first spring is arranged on the first rubber block 17, and the first rubber block 17 is adhered to the upper part of the flask 6; one end of the second spring 15 is connected to the top plate 13, the other end is arranged on the second rubber block 19, and the second rubber block 19 is adhered to the lower part of the flask 6.
The specific operation scheme is as follows;
(1) selecting a proper positioning block 8 and a proper pressing device 7 according to the type of the volumetric flask so as to achieve a better positioning effect;
(2) selecting a proper pulse scheme according to the requirement of shaking up the volumetric flask so as to control the rotation parameters of the stepping motor 1;
(3) a plurality of flasks 6 are fixed in a frame 9 in parallel through a cylinder 5 and a pressing device 7;
(4) starting the air cylinder 5, driving the compressing device 7 to move downwards by a cylinder rod of the air cylinder 5, and compressing the flask 6 in the frame 9;
(5) when the stepping motor 1 is started, the stepping motor 1 drives the frame 9 to shake according to a set program, and a preset effect is achieved.
Claims (5)
1. The utility model provides a volumetric flask shakes even device which characterized in that: contain step motor (1), speed reducer (2), cylinder (5), flask (6), closing device (7), locating piece (8), frame (9) and base (11), step motor (1) is connected through speed reducer (2) and frame (9) drive, frame (9) rotate to be connected on base (11), a plurality of flask (6) are fixed in frame (9) through cylinder (5) and closing device (7) respectively, be equipped with locating piece (8) between two adjacent flasks (6).
2. A volumetric flask shaking device according to claim 1, characterized in that: hold-down device (7) contain roof (13), spring one (14), spring two (15), ejector pin one (16), rubber block one (17), ejector pin two (18) and rubber block two (19), the lower part of flask (6) is the great sphere of diameter, and the upper portion of flask (6) is the cylinder that the diameter is less, is equipped with on roof (13) with cylinder (5) lever assorted recess (12), and spring one (14), ejector pin one (16) and rubber block one (17) compress tightly on the cylindrical upper portion of flask (6) through roof (13), and spring two (15), ejector pin two (18) and rubber block two (19) compress tightly the spherical lower part in flask (6) through roof (13).
3. A volumetric flask shaking device according to claim 2, characterized in that: the rubber block I (17) and the rubber block II (19) are respectively fixed on the cylindrical upper part and the spherical lower part of the flask (6), the lower ends of the ejector rod I (16) and the spring I (14) are respectively fixed on the rubber block I (17), and the upper ends of the ejector rod I (16) and the spring I (14) are respectively supported on the top plate (13); the lower ends of the second ejector rod (18) and the second spring (15) are respectively fixed on the second rubber block (19), and the upper ends of the second ejector rod (18) and the second spring (15) are respectively supported on the top plate (13).
4. A volumetric flask shaking device according to claim 2, characterized in that: the lever of the air cylinder (5) is pressed in the groove (12) of the top plate (13).
5. A volumetric flask shaking device according to claim 1, characterized in that: the frame (9) is a rectangular frame, and two sides of the frame (9) are respectively connected to the base (11) through bearings in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847512.3U CN215901633U (en) | 2021-08-09 | 2021-08-09 | Volumetric flask shakes even device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847512.3U CN215901633U (en) | 2021-08-09 | 2021-08-09 | Volumetric flask shakes even device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215901633U true CN215901633U (en) | 2022-02-25 |
Family
ID=80290961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121847512.3U Active CN215901633U (en) | 2021-08-09 | 2021-08-09 | Volumetric flask shakes even device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215901633U (en) |
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2021
- 2021-08-09 CN CN202121847512.3U patent/CN215901633U/en active Active
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