CN206996871U - One kind chemical reaction centrifuge - Google Patents

Abstract

The utility model discloses a chemical reaction centrifuge, which comprises a base, an abutment, a centrifugal motor, a centrifugal rod, a test tube and a limit device, the centrifugal motor is vertically arranged in the base, and the abutment is arranged Above the base and fixedly connected to the torque output shaft of the centrifugal motor, the lower ends of the plurality of centrifugal rods are rotatably connected to the base, and the upper part of the test tube is connected to the centrifugal rods through the rotating shaft The upper end of the upper end is rotatably connected, and the limiting device is fixedly connected with the base and fits with the centrifugal rod. A chemical reaction centrifuge of the utility model controls the distance between the upper end of the centrifugal rod and the rotation center through a limit device, so as to achieve the purpose of controlling the centrifugal capacity of the centrifuge.

Description

A chemical reaction centrifuge

technical field

The utility model relates to a chemical appliance, in particular to a chemical reaction centrifuge.

Background technique

In chemical use, it is necessary to use a centrifuge to centrifuge the liquid. The centrifuge is a machine that uses centrifugal force to separate the components in the mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used to separate the solid particles in the suspension from the liquid, or to separate two liquids with different densities and immiscible liquids in the emulsion. Traditionally, the centrifuge is controlled by controlling the speed of the centrifugal motor. The purpose of centrifugal force. There may be instances where the variable speed control of the centrifugal motor is unstable.

Utility model content

The purpose of this utility model is to provide a kind of chemical reaction centrifuge in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

A chemical reaction centrifuge, comprising a base, a base, a centrifugal motor, a centrifugal rod, a test tube and a limit device, the centrifugal motor is vertically arranged in the base, and the base is arranged in the base and fixedly connected with the torque output shaft of the centrifugal motor, the lower ends of the plurality of centrifugal rods are rotatably connected with the base, and the upper part of the test tube is rotatably connected with the upper ends of the centrifugal rods through the rotating shaft , the limiting device is fixedly connected with the base, and fits with the centrifugal rod.

Specifically, the limiting device includes a limiting ring, a limiting motor, a limiting screw and a limiting nut, the limiting ring is horizontally arranged above the base, and a plurality of the centrifugal rods are located on the In the limit ring, the limit screw is vertically arranged, and the upper end of the limit screw is rotatably connected to the lower side of the limit ring, and the limit nut is sleeved on the limit screw. And the limit nut is rotatably connected to the base, the limit motor is fixedly arranged in the base, and the torque output shaft of the limit motor is connected to the limit nut through the output gear. The outer surface is toothed for transmission connection, and the base is provided with a straight hole with a diameter larger than the limit screw, and the lower end of the limit screw is set in the straight hole.

Preferably, the number of the limit screw, the limit motor and the limit nut is multiple, the plurality of limit screws are evenly distributed along the axis of the limit ring, and the limit The center axis of the ring coincides with the center line of rotation of the abutment.

Further, the inner surface of the limiting ring is an arc surface, and a plurality of low-friction balls are arranged on the arc surface.

Specifically, the lower side of the abutment is rotatably connected to the base through an annular slide rail.

The beneficial effects of the utility model are:

A chemical reaction centrifuge of the utility model controls the distance between the upper end of the centrifugal rod and the rotation center through a limit device, so as to achieve the purpose of controlling the centrifugal capacity of the centrifuge.

Description of drawings

Fig. 1 is a structural schematic diagram of a chemical reaction centrifuge described in the utility model.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, a kind of chemical reaction centrifuge of the present utility model comprises base 1, abutment 3, centrifugal motor 2, centrifugal rod 5, test tube 6 and limit device, and centrifugal motor 2 is vertically arranged on base 1 Inside, the base 3 is arranged on the top of the base 1 and is fixedly connected with the torque output shaft of the centrifugal motor 2, the lower ends of a plurality of centrifugal rods 5 are rotatably connected with the base 3, and the upper part of the test tube 6 is connected to the centrifugal rod through the rotating shaft 7. The upper end of 5 is rotatably connected, the limit device is fixedly connected with the base 1, and fits with the centrifugal rod 5, and the lower side of the base 3 and the base 1 are rotatably connected through the ring slide rail 11.

The limit device includes a limit ring 4, a limit motor 8, a limit screw 9 and a limit nut 10, the limit ring 4 is horizontally arranged above the base 1, and a plurality of centrifugal rods 5 are located in the limit ring 4 , the limit screw 9 is vertically arranged, and the upper end of the limit screw 9 is rotatably connected to the lower side of the limit ring 4, the limit nut 10 is set on the limit screw 9, and the limit nut 10 can be connected to the base 1 Rotationally connected, the limit motor 8 is fixedly arranged in the base 1, and the torque output shaft of the limit motor 8 is connected to the tooth pattern on the outer surface of the limit nut 10 through the output gear. The straight hole of the position screw rod 9, the lower end of the limit screw rod 9 is arranged in the straight hole, the quantity of the limit screw rod 9, the limit motor 8 and the limit nut 10 are multiple, and the plurality of limit screw rods 9 are arranged along the limit ring. The axis centers of 4 are evenly distributed, the central axis of the stop ring 4 coincides with the rotation center line of the base 3, the inner surface of the stop ring 4 is an arc surface, and a plurality of low-friction balls 12 are arranged on the arc surface.

The working principle of a kind of chemical reaction centrifuge of the utility model is as follows:

Before use, put the material to be centrifuged into the test tube 6, under the action of the gravity of the test tube 6 and the material, the test tube 6 is in a vertical state, and the centrifuge motor 2 drives the abutment 3 to drive the centrifugal rod 5 to rotate, so that the test tube 6 can obtain Centrifugal force, perform centrifugal operation.

When it is necessary to change the centrifugation, the limit motor 8 drives the limit nut 10 to rotate, and the limit thread and the limit screw 9 form a screw structure, thereby controlling the movement of the limit ring 4 up and down, and changing the limit through the movement of the limit ring 4 The contact position between the ring 4 and the centrifugal rod 5 controls the turning radius of the test tube 6 to achieve the purpose of changing the centrifugal force.

The technical solution of the utility model is not limited to the limitations of the above-mentioned specific embodiments, and any technical deformation made according to the technical solution of the utility model falls within the protection scope of the utility model.

Claims (5)

1. A chemical reaction centrifuge, characterized in that: comprise a base, an abutment, a centrifugal motor, a centrifugal rod, a test tube and a limiter, the centrifugal motor is vertically arranged in the base, and the abutment It is arranged above the base and fixedly connected with the torque output shaft of the centrifugal motor, the lower ends of the plurality of centrifugal rods are rotatably connected with the base, and the upper part of the test tube is connected with the centrifugal motor through the rotating shaft. The upper end of the rod is rotatably connected, and the limiting device is fixedly connected with the base and fitted to the centrifugal rod. 2. A chemical reaction centrifuge according to claim 1, characterized in that: the limiting device comprises a limiting ring, a limiting motor, a limiting screw and a limiting nut, and the limiting ring is horizontally arranged on above the base, and a plurality of the centrifugal rods are located in the limit ring, the limit screw is vertically arranged, and the upper end of the limit screw and the lower side of the limit ring can be Rotate connection, the limit nut is sleeved on the limit screw, and the limit nut is rotatably connected to the base, the limit motor is fixed in the base, and the limit The torque output shaft of the bit motor is connected with the tooth pattern on the outer surface of the limit nut through the output gear. The base is provided with a straight hole with a diameter larger than the limit screw, and the lower end of the limit screw is set in the straight hole. 3. A chemical reaction centrifuge according to claim 2, characterized in that: the number of the limit screw, the limit motor and the limit nut is multiple, and the plurality of limit The screw rods are evenly distributed along the axis of the limiting ring, and the central axis of the limiting ring coincides with the rotation centerline of the base. 4. A chemical reaction centrifuge according to claim 2, characterized in that: the inner surface of the limiting ring is an arc-shaped surface, and a plurality of low-friction balls are arranged on the arc-shaped surface. 5. A chemical reaction centrifuge according to claim 1, characterized in that: the lower side of the abutment and the base are rotatably connected by an annular slide rail.