CN218121538U

CN218121538U - Rotary distribution type dividing machine

Info

Publication number: CN218121538U
Application number: CN202221763974.1U
Authority: CN
Inventors: 鲁海瑞; 彭宏亮; 贾子松; 孙画一
Original assignee: Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Current assignee: Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-23
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a rotary cloth type dividing machine, which comprises a dividing groove and a dividing cover, wherein the upper end of the dividing groove is provided with a sample inlet, the lower end of the dividing groove is provided with a sample inlet, the sample inlet of the dividing groove is positioned inside the dividing cover, and the sample inlet of the dividing groove is positioned outside the dividing cover; the upper part of the division cover is also provided with a synchronous belt pulley, a rotary tank and a charging hopper; the lower part of the rotary groove is connected with a hollow shaft, the hollow shaft is connected with a division pipe, the hollow shaft is in key connection with a shaft hole of the synchronous belt wheel, and the division pipe extends into the division cover; a gap is formed between the sample inlet of the division groove and the bottom surface of the division pipe. The division machine of the utility model is also provided with the pneumatic vibrator on the division groove, which can effectively avoid the situation that fine powder sticks to the wall surface and also improve the reliability of the division sample; a plurality of fractionating chambers may be provided to obtain parallel samples.

Description

Rotary cloth type dividing machine

Technical Field

The utility model relates to a system appearance technical field, in particular to rotatory cloth formula division machine.

Background

The division is an important step in material inspection, and is an operation process of uniformly dividing a sample crushed to a certain particle size into a plurality of sub-samples with equal reliability according to related technical requirements. Whether the sub-sample obtained by division is representative or not, whether deviation exists in the division process or not and whether precision meets requirements or not are directly related to the reliability of the sub-sample obtained by division. The division machine in the market is mainly divided into a fixed division ratio and an adjustable division ratio.

The patent with publication number CN 213842799U discloses an automatic division machine suitable for a damp sample, which comprises a rack, wherein a multi-outlet cavity is arranged on the rack through an elastic piece, the multi-outlet cavity is composed of a vertical cylindrical cavity and at least two sampling ports extending downwards from the cylindrical cavity, a vibration starting mechanism is arranged on the side wall of the cylindrical cavity, a rotatable division mechanism is supported above the cylindrical cavity, and the division mechanism comprises a material receiving funnel arranged above the material receiving funnel and a rotating division chute extending obliquely from the lower part of the division mechanism. The utility model discloses a division machine that provides is for deciding the division type that contracts, through at cylinder cavity side wall installation start-up mechanism that shakes, effectively avoids the material viscous. However, the dividing machine does not consider the problem of fine and loose materials sticking in the blanking process, and has the defects of uneven feeding speed and large-volume sample collectors.

The patent with publication number CN 202267613U discloses a disc cloth division machine, including the casing with set up feed bin, cloth disc, gear motor, division appearance sample connection, abandon the material mouth in the casing inside, be formed with annular clearance between the last disc face of feed bin and cloth disc, the cloth disc is clicked by the gear and is driven at the uniform velocity and rotate. The utility model discloses a division machine that provides has solved the problem that the material was bridged and empty was adopted for the adjustable type of division ratio through setting up the cloth disc, uses the structure of fixed chute and activity chute simultaneously to realize division ratio continuously adjustable. However, the utility model has the defects that only one molecule sample is reduced, the installation space is large, and the material sticking in the blanking process is not considered.

Therefore, it is necessary to provide a rotary distribution type dividing machine, which solves the problems of material adhesion, large equipment space, heavy mass of each sub-sample and less parallel samples in the dividing process of the existing automatic dividing machine

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that prior art exists, the utility model provides a rotatory cloth formula division machine, the division machine has fully considered and has prevented fine powder adhesion, accurate multiunit parallel sample and the shared space of sparingly equipment.

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

a rotary distributing type dividing machine comprises a dividing groove and a dividing cover which are fixedly connected;

the division groove and the division cover are of a hollow structure with an upper opening and a lower opening, and a material discharge port is formed at the bottom of the division cover;

the upper end of the division tank is provided with a sample inlet, the lower end of the division tank is provided with a sample inlet, the sample inlet of the division tank is positioned in the division cover, and the sample inlet of the division tank is positioned outside the division cover;

a motor box is arranged on one side of the upper part of the division cover, and a gear motor is arranged in the motor box;

the upper part of the division cover is also provided with a synchronous belt pulley, a rotary tank and a charging hopper;

the synchronous belt wheel is connected with the gear motor through a synchronous belt;

the rotary groove is of a hollow structure with an upper opening and a lower opening, the lower part of the rotary groove is connected with a hollow shaft, and the hollow shaft is connected with a division pipe;

the dividing pipe is of a hollow structure with an upper opening and a lower opening;

the hollow shaft is in key connection with a shaft hole of the synchronous belt wheel, and the division pipe extends into the division cover;

a gap is formed between the sample inlet of the division groove and the bottom surface of the division pipe;

the feeding hopper is positioned at the upper part of the rotary tank and is fixed with the upper part of the division cover through a bracket;

the upper end in the rotary groove is also provided with a fixing part for fixing the cloth disc, and a gap exists between the upper disc surface of the cloth disc and the lower end of the feeding hopper.

Furthermore, the division cover is cylindrical, the bottom of the division cover is inverted-cone-shaped, and a flange plate is welded at the bottom of the division cover.

Furthermore, the gap between the sample inlet at the upper end of the division groove and the bottom of the division pipe is not less than 20mm.

Furthermore, holes are formed in the outer side of the division cover, the upper end of the division groove passes through the holes, and the division groove and the division cover are welded and fixed at the holes;

the reduction groove is in a quadrangular frustum pyramid shape, and the upper end with small area enters the reduction cover through an opening on the outer side of the reduction cover;

the included angle between the lower end surface of the fixed part of the reduction groove and the reduction cover is 45-60 degrees;

the angle range of the feed inlet at the upper end of the dividing groove is 15-72 degrees.

Furthermore, a plurality of division grooves are welded on the outer side of the division cover.

Further, a sampling port of the dividing groove is provided with a pneumatic vibrator.

Further, the division pipe and the hollow shaft are fixedly connected through screws.

Furthermore, a fixed cover is welded at the bottom end of the charging hopper,

the fixed cover is arranged at the upper part of the rotary groove, and the area of the fixed cover is larger than the area of an upper opening of the rotary groove.

Further, a flange plate is welded at the upper end of the feeding hopper.

Furthermore, the gap between the upper disc surface of the distribution disc and the lower end of the feeding hopper is 10-15 mm;

the middle of the upper disc surface of the distribution disc is also provided with a rod-shaped protrusion, and the rod-shaped protrusion extends into the feeding hopper.

Compared with the existing division machine, the utility model discloses a following beneficial effect has:

(1) Material sticking is avoided in the discharging process: the pneumatic vibrator is arranged on the reduction groove, so that the situation that fine powder is stuck on the wall surface is avoided, and the reliability of the reduction molecular sample is improved;

(2) Multiple replicates were obtained: a plurality of division grooves are uniformly welded on the division cover, a plurality of parallel samples can be obtained, and a user can change the number of the division grooves according to the requirement of the user to obtain the number of the required parallel samples;

(3) The molecular sample has proper mass: the reduction groove is in a quadrangular frustum pyramid shape, and the angle range of a feed inlet at the upper end of the reduction groove is controlled to be 15-72 degrees, so that the quality of each sub sample is effectively reduced, and the volume of the sample collector is also reduced;

(4) The equipment space is compact: the sampling port is arranged below the charging hopper, and the materials move downwards by the gravity of the materials, so that an additional discharging device is not needed; meanwhile, the synchronous belt is adopted to drive the rotary groove, the division pipe and the hollow shaft to synchronously rotate, and the division pipe does not need to be driven independently, so that the structure of the division cover can be smaller, the space of equipment is compact, and the application range is obviously enlarged.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a splitter provided in an embodiment of the present invention;

fig. 2 is a schematic side view of a splitter provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of a splitter provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a dividing groove in an embodiment of the present invention.

Description of reference numerals:

1. a dividing tank; 2. a division cover; 3. a rotary trough; 4. a hopper; 5. a synchronous pulley; 6. a synchronous belt; 7. a gear motor; 8. a pneumatic vibrator; 9. dividing the tube; 10. a hollow shaft; 11. a cloth disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an embodiment provides a rotatory cloth formula division machine as shown in fig. 1, including division groove 1 and division cover 2 of fixed connection, division cover 2 is the hollow tubular structure of upper and lower open-ended circle, division cover 2 bottom is the back taper, is provided with the material abandoning mouth in division cover 2 bottom, still weld the flange board in division cover 2 bottom, there are two symmetrical trompils in the outside of division cover 2, division groove 1 is located the trompil; as shown in fig. 2, the dividing groove 1 is a hollow quadrangular frustum pyramid structure with an upper opening and a lower opening, the upper end with a small area is provided with a sample inlet, the angle of the feed inlet is 36 degrees, the lower end with a large area is provided with a sample inlet, the upper end with a small area enters the dividing cover 2 through an opening on the outer side of the dividing cover 2, the opening of the dividing groove 1 and the opening of the dividing cover 2 are welded and fixed, so that the sample inlet of the dividing groove 1 is fixed in the dividing cover 2, the sample inlet of the dividing groove 1 is fixed outside the dividing cover 2, and the included angle between the lower end surface of the dividing groove 1 outside the dividing cover 2 and the dividing cover 2 is 45 degrees; a flange plate is welded at a sampling port of the contraction and separation groove 1, so that a chute can be conveniently installed in the follow-up process, and a pneumatic vibrator 8 is also installed at the sampling port of the contraction and separation groove 1 and used for preventing fine powder from being stuck on a wall surface;

a motor box is arranged on one side of the upper part of the division cover 2, and a gear motor 7 is arranged in the motor box; the upper part of the division cover 2 is also provided with a synchronous belt pulley 5, a rotary tank 3 and a charging hopper 4; the synchronous pulley 5 is connected with a gear motor 7 through a synchronous belt 6; the feeding hopper 4 is positioned at the upper part of the rotary tank 3, the feeding hopper 4 is fixed with the upper part of the division cover 2 through a support, and a flange plate is welded at the upper end of the feeding hopper 4, so that the feeding hopper is allowed to be added according to different requirements such as material volume, the size of the rotary tank 3 and the like, and the problem that the division machine is not matched due to the size limitation of the division cover 2 is avoided; a fixed cover is welded at the bottom end of the feeding hopper 4 and is arranged at the upper part of the rotary tank 3, the area of the fixed cover is larger than the upper opening area of the rotary tank 3, the fixed cover positioned on the rotary tank 3 is slightly higher than the rotary tank 3, so that the rotary tank 3 cannot be blocked from rotating when the motor drives the rotary tank 3 to rotate, and the area slightly larger than the upper opening area of the rotary tank 3 is used for preventing fine materials sliding down from the feeding hopper 4 from escaping in the process of falling to the rotary tank 3;

as can be seen from fig. 3, the rotary tank 3 is a hollow inverted cone structure with an upper opening and a lower opening, the upper part of the rotary tank 3 is further provided with a fixing member for fixing the material distribution disc 11, a gap exists between the upper disc surface of the material distribution disc 11 and the lower end of the charging hopper 4, the gap can be timely adjusted according to different material particle sizes, and the gap is set to be 10mm in order to ensure that fine materials can completely pass through the gap and cannot randomly slip out; a rod-shaped protrusion is further arranged in the middle of the upper disc surface of the material distribution disc 11 and extends into the feeding hopper 4; the lower part of the rotary trough 3 is connected with a hollow shaft 10, the hollow shaft 10 is connected with a division pipe 9, the hollow shaft 10 is in key connection with a shaft hole of the synchronous pulley 5, and the division pipe 9 extends into the division cover 2; a gap is formed between the sample inlet of the division tank 1 and the bottom surface of the division tube 9, and the gap is 20mm; the division pipe 9 and the hollow shaft 10 are fixedly connected through screws, and the rotary groove 3, the division pipe 9 and the hollow shaft 10 can keep synchronous rotation; through the rotary motion of the contraction and separation pipe 9, the uniform distribution of the powder is realized.

When the division machine described in the above specific embodiment is used for division of titanium carbide powder, the results show that:

the titanium carbide enters a charging hopper 4 for buffer storage, a gap between the charging hopper 4 and the upper disc surface of the material distribution disc 11 serves as a feeding port before material flow shaping, the gap of 15mm can ensure that the titanium carbide powder cannot slide out randomly, and can also ensure that all the titanium carbide powder can pass through the gap; in addition, the welding area of the bottom end of the charging hopper 4 is slightly larger than that of a fixed cover of an upper opening of the rotary tank 3, so that titanium carbide powder can be prevented from sliding out; the synchronous belt 6 and the synchronous belt wheel 5 transmit the power of the gear motor 7 to the rotary groove 3, the material distribution disc 11 is arranged in the rotary groove 3 and rotates along with the rotation of the rotary groove 3, and titanium carbide powder on the disc surface of the material distribution disc 11 uniformly falls under the centrifugal action, so that the material flow of the titanium carbide powder can be continuously distributed and shaped, and the influence of unstable material flow is eliminated; the hollow shaft 10 is in key connection with the synchronous belt wheel 5, the division pipe 9 and the hollow shaft 10 are fixedly connected through screws, and the rotary groove 3, the division pipe 9 and the hollow shaft 10 keep synchronous rotation. The uniform distribution of the titanium carbide powder is realized through the rotary motion of the contracting and separating pipe 9; 2 reduction grooves 1 are uniformly welded on the reduction cover 2, the external downward inclined plane of the quadrangular frustum structure of the reduction groove 1 welded with the reduction cover 2 and the reduction cover 2 form 45 degrees, the volume of a rear-end sample collector can be reduced, the inclined structure of the reduction groove 1 is matched with a pneumatic vibrator 8, the problem that titanium carbide powder is stuck to the reduction groove 1 is avoided, and the reliability and the representativeness of a sub-sample obtained by reduction are improved; collecting the reduced sample through a sampling port of the reduction groove 1 to obtain a reduced molecular sample and a parallel sample; the lower end of the division cover 2 is provided with an inverted cone which is used as a material abandoning port, and the abandoned material obtained by division is transmitted and collected through the material abandoning port.

The working process of the rotary distributing type dividing machine in the embodiment of the utility model is described as follows:

when the automatic dividing machine works, the gear motor 7 acts according to the preset control of the PLC, power is transmitted through the synchronous belt 6 and the synchronous belt wheel 5, and the dividing pipe 9, the hollow shaft 10 and the rotary groove 3 keep synchronous rotation. The material drops to the cloth dish 11 at self gravity and the stirring effect of cloth dish 11 to slowly fall into the gyration groove 3, through designing cloth dish 11, solved the inhomogeneous problem of feed.

Along with the rotation of division pipe 9, the material falls respectively to division groove 1 and division cover 2 below, because division groove 1 adopts the four-edged terrace form to the angle of the feed inlet of control division groove 1 upper end is 36, has effectively reduced the quality of every subsample, has avoided the problem that the sample collector volume is bigger partially. In addition, the pneumatic vibrator 8 is arranged on the reduction groove 1, so that the condition that powder with small particle size is stuck on the wall surface is avoided, and the reliability of the reduction sample and the parallel sample is improved.

To sum up, the reduction groove 1 in the reduction machine in the embodiment of the utility model adopts a quadrangular frustum pyramid shape, and the angle of the feed inlet at the upper end of the reduction groove 1 is controlled to be 36 degrees, thereby reducing the mass of the sub-sample obtained by reduction and reducing the volume of the rear-end sample collector; by arranging the inclined plane of the reduction groove 1 and matching the pneumatic vibrator 8, the problem that powder is stuck in the reduction groove 1 is avoided, and the reliability and representativeness of sub-samples obtained by reduction are improved; meanwhile, two parallel sub-samples can be obtained through 2 dividing grooves 1 which are uniformly welded on the dividing cover 2. It should be noted that, in the embodiment of the present invention, the angle of the feed port at the upper end of the dividing tank 1 is not limited to 36 °, preferably an acute angle, and more preferably 15 to 72 °; the included angle between the lower end face of the division groove 1 outside the division cover 2 and the division cover 2 is not limited to 45 degrees, and the included angle is set to be larger than a material repose angle according to different materials, preferably 45-60 degrees; the number of the division grooves is not limited to 2, and a plurality of division grooves can be uniformly arranged on the division cover to obtain more parallel samples; the gap between the upper disc surface of the distribution disc and the lower end of the feeding hopper is not limited to 10mm, and preferably 10-15 mm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A rotary distributing type dividing machine is characterized by comprising a dividing groove (1) and a dividing cover (2) which are fixedly connected;

the division tank (1) and the division cover (2) are of hollow structures with upper and lower openings, and a material discharge port is formed in the bottom of the division cover (2);

the upper end of the division tank (1) is provided with a sample inlet, the lower end of the division tank (1) is provided with a sample inlet, the sample inlet of the division tank (1) is positioned in the division cover (2), and the sample inlet of the division tank (1) is positioned outside the division cover (2);

a motor box is arranged on one side of the upper part of the division cover (2), and a gear motor (7) is arranged in the motor box;

the upper part of the division cover (2) is also provided with a synchronous belt pulley (5), a rotary tank (3) and a charging hopper (4);

the synchronous belt wheel (5) is connected with a gear motor (7) through a synchronous belt (6);

the rotary groove (3) is of a hollow structure with an upper opening and a lower opening, the lower part of the rotary groove (3) is connected with a hollow shaft (10), and the hollow shaft (10) is connected with a dividing pipe (9);

the dividing pipe (9) is of a hollow structure with an upper opening and a lower opening;

the hollow shaft (10) is in key connection with a shaft hole key of the synchronous belt wheel (5), and the division pipe (9) extends into the division cover (2);

a gap is formed between the sample inlet of the division groove (1) and the bottom surface of the division pipe (9);

the feeding hopper (4) is positioned at the upper part of the rotary tank (3), and the feeding hopper (4) is fixed with the upper part of the reduction cover (2) through a bracket;

the upper end in the rotary tank (3) is also provided with a fixing part for fixing the cloth disc (11), and a gap exists between the upper disc surface of the cloth disc (11) and the lower end of the loading hopper (4).

2. Machine according to claim 1, characterized in that said housing (2) is cylindrical, with a bottom in the shape of an inverted cone, welded to a flange plate.

3. The splitter according to claim 1, wherein the gap between the sample inlet at the upper end of the splitter tank (1) and the bottom of the splitter tube (9) is not less than 20mm.

4. The dividing machine according to claim 1, characterized in that the outside of the dividing cover (2) is provided with a hole, the upper end of the dividing groove (1) is provided with a hole, and the dividing groove (1) and the dividing cover (2) are welded and fixed at the hole;

the reduction groove (1) is in a quadrangular frustum pyramid shape, and the upper end with small area enters the reduction cover (2) through an opening on the outer side of the reduction cover (2);

the lower end face of the fixed part of the division groove (1) and the division cover (2) forms an included angle of 45-60 degrees with the division cover (2);

the angle range of the feed inlet at the upper end of the division groove (1) is 15-72 degrees.

5. A reducer according to claim 4, characterized in that a plurality of reducing grooves (1) are welded on the outside of the reducing cover (2).

6. A splitter according to claim 4 or 5, characterized in that the sampling mouth of the splitting tank (1) is fitted with a pneumatic vibrator (8).

7. Machine according to claim 1, characterized in that said dividing tube (9) and said hollow shaft (10) are fixed by screwing.

8. -dividing machine according to claim 1, characterized in that the bottom end of the hopper (4) is welded with a fixed cover,

the fixed cover is arranged at the upper part of the rotary groove (3), and the area of the fixed cover is larger than the area of an upper opening of the rotary groove (3).

9. A splitter according to claim 8, wherein the upper end of the hopper (4) is welded to a flange plate.

10. The dividing machine according to claim 1, characterized in that the gap between the upper plate surface of the distribution plate (11) and the lower end of the charging hopper (4) is 10-15 mm;

the middle of the upper disc surface of the material distribution disc (11) is also provided with a rod-shaped protrusion, and the rod-shaped protrusion extends into the feeding hopper (4).