CN212120407U

CN212120407U - Ultra-large centrifuge

Info

Publication number: CN212120407U
Application number: CN202020207061.6U
Authority: CN
Inventors: 方苏湘
Original assignee: Changsha Xiangzhi Centrifuge Instrument Co ltd
Current assignee: Changsha Xiangzhi Centrifuge Instrument Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-11
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses an ultra-large centrifuge, which belongs to the technical field of centrifuges, and comprises a centrifugal cavity, an upper cover, a motor and a base, wherein the centrifugal cavity and the motor are both arranged on the base; the inner arc surface of the flange is fixed with a protection pad, the flange is provided with a notch, the notch is positioned on two opposite sides of the flange, the suspension cup is connected on the horizontal rotor through a pin shaft, and the pin shaft is inserted in the notch and is in contact with the protection pad, so that the problem that the suspension cup of the existing large-scale centrifugal machine is easy to damage and deform in the operation process is solved.

Description

Ultra-large centrifuge

Technical Field

The utility model relates to a centrifuge technical field, in particular to ultra-large centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid.

Most of centrifuges on the market at present are small-sized devices, only a few of centrifuges are large-sized devices, the small-sized centrifuges can only separate a small amount of mixed materials at a time, the centrifugal efficiency is low, the large-sized centrifuges are large in capacity, the bearing weight of a suspension cup is large, the conventional suspension cup is formed by blow molding of aluminum alloy, and therefore the suspension cup is easy to damage and deform and poor in safety in the operation process of the centrifuges.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultra-large centrifuge, it has solved the problem that damage and deformation appear easily in the operation in-process of current large centrifuge's hanging glass.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a super-large centrifuge comprises a centrifugal cavity, an upper cover, a motor and a base, wherein the centrifugal cavity and the motor are both arranged on the base, the upper cover is arranged at the top of the centrifugal cavity in a covering manner, a horizontal rotor is arranged in the centrifugal cavity, a hanging cup is arranged on the horizontal rotor, the motor is used for driving the horizontal rotor to drive a cup body to rotate, the top of the cup body is provided with an opening, a circle of flange is arranged at the opening, the flange is arc-shaped, one side of the flange is fixed with the top of the cup body, and the other side of the flange is positioned outside the cup body and is bent downwards;

the inner arc surface of the flange is fixedly provided with a protection pad, the flange is provided with a notch, the notches are positioned at two opposite sides of the flange, the suspension cup is connected on the horizontal rotor through a pin shaft, and the pin shaft is inserted in the notch and is contacted with the protection pad.

By adopting the structure, the horizontal rotor and the suspension cup rotate in the centrifugal cavity under the driving of the motor, and the pin shaft for connecting the suspension cup is inserted in the notch and contacts with the protection pad on the inner surface of the flange, so that the stress point of the suspension cup is on the arc-shaped flange, and the protection pad is arranged at the notch, so that the suspension cup can play a better buffering and wear-resisting role, the suspension cup is convenient to protect, the service life of the suspension cup is prolonged, and the operation is safer and more reliable.

The method is further optimized as follows: the belt conveyor also comprises a rotating shaft, a belt, a driven belt pulley, a main shaft seat and a main belt pulley;

one end of the rotating shaft is connected with the motor output shaft, the other end of the rotating shaft is fixed with the main belt pulley, two ends of the belt are respectively sleeved on the main belt pulley and the driven belt pulley, a main shaft seat is fixed at the bottom of the centrifugal cavity, the lower end of the main shaft is fixed on the driven belt pulley, the upper end of the main shaft penetrates through the main shaft seat and extends into the centrifugal cavity, and the horizontal rotor is fixed in the rotating direction of the main shaft.

By adopting the structure, after the motor is started, the main shaft, the horizontal rotor and the suspension cup are driven to rotate by the belt pulley, and the rotation stability is better.

The method is further optimized as follows: the cover opening mechanism is used for opening or closing the upper cover.

By adopting the structure, the function of automatically opening and closing the upper cover is realized, and time and labor are saved.

The method is further optimized as follows: the cover opening mechanism comprises an air cylinder, a push-pull rod, a connecting rod and a support;

the centrifugal pump comprises a centrifugal cavity, a centrifugal rod, a push-pull rod, a cylinder, a support and a connecting rod, wherein the push-pull rod is vertically arranged, the lower end of the push-pull rod is fixed on the cylinder, the cylinder is installed on the base and is used for driving the push-pull rod to move up and down, the support is fixed on the upper portion of the centrifugal cavity, one end of the connecting rod is rotatably connected with the push-pull rod, the other end of the.

By adopting the structure, when the cylinder is started, the connecting rod rotates, so that the upper cover is driven to open or close.

The method is further optimized as follows: the connecting part between the support and the connecting rod is a first connecting part, the connecting part between the push-pull rod and the connecting rod is a second connecting part, the connecting part between the upper cover and the connecting rod is a third connecting part, and the distance between the first connecting part and the second connecting part is smaller than the distance between the first connecting part and the third connecting part.

By adopting the structure, the function of automatically opening and closing the upper cover can be realized by moving the push-pull rod up and down for a short distance.

The method is further optimized as follows: the cup body is a stainless steel cylinder.

By adopting the structure, the light-weight wear-resistant steel plate has the advantages of light weight, high strength, high hardness, wear resistance, stable chemical property, acid resistance and alkali resistance.

To sum up, the utility model discloses following beneficial effect has: under the effect of belt, when the motor started, will drive main shaft, horizontal rotor and hanging cup from the belt pulley and rotate, because the round pin axle that is used for connecting the hanging cup is inserted and is established in the breach and contact with the protection pad of flange internal surface, consequently the stress point of hanging cup is on the arc flange, because breach department is provided with the protection pad again, consequently can play better buffering abrasive effect, is convenient for protect the hanging cup, extension hanging cup life, operation safe and reliable more.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the specific structure of a super-large centrifuge;

FIG. 2 is a schematic structural diagram of the embodiment, which is mainly used for embodying the structure of the hanging cup;

FIG. 3 is a schematic sectional view of an embodiment, which is mainly used for embodying the structure of the hanging cup;

fig. 4 is a schematic structural diagram of the embodiment, which is mainly used for embodying the structure of the horizontal rotor.

In the figure, 1, a centrifugal chamber; 2. a base; 3. a motor; 4. a rotating shaft; 5. a belt; 6. a secondary pulley; 7. a horizontal rotor; 8. hanging a cup; 81. a cup body; 82. a flange; 83. a notch; 84. a protection pad; 9. an upper cover; 10. a main shaft; 111. a cylinder; 112. a push-pull rod; 113. a connecting rod; 114. a support; 12. a main shaft seat; 13. a primary pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): an ultra-large centrifuge, as shown in fig. 1-4, comprises a centrifugal cavity 1, an upper cover 9, a motor 3, a base 2, a rotating shaft 4, a belt 5, a secondary belt pulley 6, a main shaft seat 12, a main belt pulley 13 and a cover opening mechanism. Centrifugal chamber 1 and motor 3 all install on base 2, and upper cover 9 lid is established at centrifugal chamber 1 top and is used for sealed centrifugal chamber 1. The lid opening mechanism is used for opening or closing the upper lid 9, and the function of automatically opening and closing the upper lid 9 is realized. The lid opening mechanism includes a cylinder 111, a push-pull rod 112, a link 113, and a support 114. The push-pull rod 112 is vertically arranged, and the lower end of the push-pull rod 112 is fixed on a piston rod of the air cylinder 111, and the air cylinder 111 is installed on the base 2 and used for driving the push-pull rod 112 to move up and down. The support 114 is fixed on the upper shell of the centrifugal cavity 1, one end of the connecting rod 113 is rotationally connected with the push-pull rod 112, the other end is fixed on the top of the upper cover 9, and the support 114 is rotationally connected with the connecting rod 113. Preferably, the connecting portion between the support 114 and the connecting rod 113 is a first connecting portion, the connecting portion between the push-pull rod 112 and the connecting rod 113 is a second connecting portion, and the connecting portion between the upper cover 9 and the connecting rod 113 is a third connecting portion. The distance between the first connecting portion and the second connecting portion is smaller than the distance between the first connecting portion and the third connecting portion.

Referring to fig. 1-4, a horizontal rotor 7 is disposed in the centrifugal chamber 1, and the horizontal rotor 7 is prior art, so the detailed structure and working principle thereof are not described herein again. The hanging cup 8 is arranged on the horizontal rotor 7, and the cup body 81 is a stainless steel cylinder body. The top of the cup body 81 is provided with an opening, a ring of flange 82 is arranged at the opening, and the flange 82 and the cup body 81 are integrally formed and arranged along the circumferential direction of the cup body 81. The flange 82 is arc-shaped and has one side fixed to the top of the cup 81 and the other side located outside the cup 81 and bent downward. A protection pad 84 is fixed on the inner arc surface of the flange 82, the protection pad 84 is fixed on the inner arc surface of the flange 82 and the outer surface of the upper part of the cup body 81, and the protection pad 84 is made of wear-resistant rubber. The flange 82 is provided with a notch 83, the notch 83 is positioned on the outer side of the cup body 81, and the notches 83 are positioned on two opposite sides of the flange 82. The hanging cup 8 is connected to the horizontal rotor 7 by a pin inserted in the notch 83 and in surface contact with the protection pad 84. Four suspension cups 8 are arranged on the horizontal rotor 7, and the four suspension cups 8 are uniformly distributed around the center of the horizontal rotor 7.

Referring to fig. 1-4, the motor 3 is used for driving the horizontal rotor 7 to drive the cup 81 to rotate, and preferably, the upper end of the rotating shaft 4 is connected with the output shaft of the motor 3, and the lower end thereof passes through the base 2 and is fixed with the main belt pulley 13. Two ends of the belt 5 are respectively sleeved on the main belt pulley 13 and the auxiliary belt pulley 6, a main shaft seat 12 is fixed at the bottom of the centrifugal cavity 1, the lower end of the main shaft 10 is fixed on the auxiliary belt pulley 6, and the upper end of the main shaft penetrates through the main shaft seat 12 and extends into the centrifugal cavity 1. The horizontal rotor 7 is fixed on the rotation direction of the main shaft 10, and the axis of the main shaft 10 is in the same straight line with the central line of the horizontal rotor 7.

Under the effect of belt 5, when motor 3 starts, will drive main shaft 10, horizontal rotor 7 and hanging cup 8 from belt pulley 6 and rotate, because the round pin axle that is used for connecting hanging cup 8 inserts and establishes in breach 83 and contact with the protection pad 84 of flange 82 internal surface, consequently hanging cup 8's stress point is on arc flange 82, because the breach 83 department is provided with protection pad 84 again, consequently can play better buffering abrasive effect, be convenient for protect hanging cup 8, extension hanging cup 8 life.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an ultra-large centrifuge, includes centrifugal chamber (1), upper cover (9), motor (3) and base (2), centrifugal chamber (1) with motor (3) are all installed on base (2), upper cover (9) lid is established centrifugal chamber (1) top, be provided with horizontal rotor (7) in centrifugal chamber (1), install hanging cup (8) on horizontal rotor (7), motor (3) are used for the drive horizontal rotor (7) drive cup (81) and rotate characterized by: the top of the cup body (81) is provided with an opening, a circle of flange (82) is arranged at the opening, the flange (82) is arc-shaped, one side of the flange is fixed with the top of the cup body (81), and the other side of the flange is positioned at the outer side of the cup body (81) and is bent downwards;

the inner arc surface of the flange (82) is fixed with a protection pad (84), a notch (83) is formed in the flange (82), the notch (83) is located on two opposite sides of the flange (82), the suspension cup (8) is connected to the horizontal rotor (7) through a pin shaft, and the pin shaft is inserted into the notch (83) and is in contact with the protection pad (84).

2. A very large centrifuge as defined in claim 1, wherein: the belt conveyor also comprises a rotating shaft (4), a belt (5), a secondary belt pulley (6), a main shaft seat (12) and a main belt pulley (13);

pivot (4) one end with motor (3) output shaft, the other end with main belt pulley (13) are fixed, belt (5) both ends are overlapped respectively main belt pulley (13) with from on belt pulley (6), centrifugal chamber (1) bottom is fixed with spindle drum (12), main shaft (10) lower extreme is fixed from on belt pulley (6), the upper end is passed spindle drum (12) and stretch into in centrifugal chamber (1), horizontal rotor (7) are fixed spindle (10) turn-up.

3. A very large centrifuge as defined in claim 1, wherein: the automatic opening and closing device further comprises an opening mechanism, and the opening mechanism is used for opening or closing the upper cover (9).

4. A very large centrifuge according to claim 3, wherein: the uncovering mechanism comprises a cylinder (111), a push-pull rod (112), a connecting rod (113) and a support (114);

the centrifugal pump is characterized in that the push-pull rod (112) is vertically arranged, the lower end of the push-pull rod is fixed on the air cylinder (111), the air cylinder (111) is installed on the base (2) and used for driving the push-pull rod (112) to move up and down, the support (114) is fixed on the upper portion of the centrifugal cavity (1), one end of the connecting rod (113) is rotatably connected with the push-pull rod (112), the other end of the connecting rod is fixed on the top of the upper cover (9), and the support (114) is rotatably connected with the connecting rod (113).

5. A very large centrifuge according to claim 4, wherein: the connecting part between the support (114) and the connecting rod (113) is a first connecting part, the connecting part between the push-pull rod (112) and the connecting rod (113) is a second connecting part, the connecting part between the upper cover (9) and the connecting rod (113) is a third connecting part, and the distance between the first connecting part and the second connecting part is smaller than the distance between the first connecting part and the third connecting part.

6. A very large centrifuge as defined in claim 1, wherein: the cup body (81) is a stainless steel cylinder body.