CN212856541U

CN212856541U - Powder concentrator with good grading effect

Info

Publication number: CN212856541U
Application number: CN202021712283.XU
Authority: CN
Inventors: 王洪华; 段树刚; 李洪合; 代喜波
Original assignee: Qingdao Tongshun Mining Equipment Co ltd
Current assignee: Qingdao Tongshun Mining Equipment Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-02
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a powder concentrator with good grading effect, which comprises a frame and a powder concentrating component arranged on the frame in a sliding way, wherein the frame comprises a base plate and four groups of support rods; the powder selecting assembly comprises an inner roller, an outer roller and two sets of lifting devices, the inner roller is fixedly mounted on the transmission crankshaft, the outer roller which is connected with the support rods in a sliding mode is rotatably mounted on the periphery of the inner roller, the two ends of the transmission crankshaft are rotatably mounted with the lifting devices which are connected with the base plate in a sliding mode, a plurality of groups of grading holes are formed in the side wall of the inner roller, and the powder selecting assembly further comprises a driving device which drives the transmission crankshaft to rotate. The utility model adopts the inner roller and the outer roller, and is matched with the transmission crankshaft and the driving motor to overturn materials and realize grading; a scissor mechanism, a lifting slide block and a compression spring are adopted, so that the inner roller can shake up and down while rotating, and the grading efficiency is improved; the cooperation of the limiting idler wheel, the limiting base and the limiting groove is adopted, the outer roller is prevented from overturning, friction is reduced, and the working efficiency is improved.

Description

Powder concentrator with good grading effect

Technical Field

The utility model relates to a powder concentrator specifically is a hierarchical effectual powder concentrator.

Background

Traditional selection powder machine adopts the transmission straight shaft to drive the cylinder that has the hierarchical hole mostly and rotates for the inside material upset of cylinder lets the less material of granule sieve out from the hierarchical hole, but because the cylinder inner wall is smooth, when the cylinder rotates, hardly drives whole material upset, leads to the material upset not thorough, and the grading effect is relatively poor, influences work efficiency. Therefore, the powder concentrator with good grading effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hierarchical effectual selection powder machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a powder concentrator with good grading effect comprises a rack and a powder concentrating component arranged on the rack, wherein the rack comprises a base plate and four groups of supporting rods, and the four groups of supporting rods are fixedly arranged at four corners of the base plate respectively and are in sliding connection with the powder concentrating component; the powder selecting assembly comprises an inner roller, an outer roller and two groups of lifting devices, the bottoms of the two groups of lifting devices are slidably mounted on a base plate, the top of the two groups of lifting devices is also rotatably provided with a transmission crankshaft, the inner roller is fixedly mounted on the transmission crankshaft, the side wall of the inner roller is provided with a plurality of groups of grading holes, the outer roller is rotatably mounted on the transmission crankshaft, and two ends of the outer roller are slidably connected with supporting rods; the powder selecting assembly further comprises a driving device for driving the transmission crankshaft to rotate.

As a further aspect of the present invention: the top and the bottom of the inner roller are respectively provided with an inner feeding door and an inner discharging door.

As a further aspect of the present invention: the top and the bottom of the outer roller are respectively provided with an outer feeding door and an outer discharging door, and the outer feeding door and the outer discharging door are respectively corresponding to the inner feeding door and the inner discharging door.

As a further aspect of the present invention: elevating gear is including cutting fork mechanism, compression spring and lifting slide, cut fork mechanism top with transmission crankshaft rotates to be connected and its bottom through lifting slide with set up dovetail groove sliding connection on the bed plate, lifting slide quantity is two sets of and its bottom is provided with and forms sliding fit's dovetail slide with dovetail groove, and is two sets of equal fixed mounting has compression spring on the lifting slide, compression spring keep away from lifting slide's one end with bed plate fixed connection.

As a further aspect of the present invention: the driving device comprises a driving motor and a meshing gear set, the driving motor is fixedly installed at one end of the outer roller, an output shaft of the driving motor is fixedly connected with the meshing gear set, and one end, far away from the output shaft, of the meshing gear set is fixedly installed on the transmission crankshaft.

As a further aspect of the present invention: the outer drum is characterized in that four groups of limiting bases are fixedly mounted on the outer wall of the outer drum and are respectively located at two ends of the outer drum, limiting rollers are respectively rotatably mounted on the four groups of limiting bases and are in rolling connection with limiting grooves formed in the supporting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

an inner roller and an outer roller with grading holes are adopted, and a transmission crankshaft and a driving motor are matched, so that the inner roller drives the materials to turn over and outputs the materials with smaller particles from the grading holes, and the grading effect is enhanced; by adopting the scissor mechanism, the lifting slide block and the compression spring, the inner roller can shake up and down while rotating by utilizing the acting force of the transmission crankshaft on the scissor mechanism and the elasticity of the compression spring, so that the materials are fully contacted with the grading holes, and the grading efficiency is improved; an inner feeding door and an inner discharging door are adopted for feeding and discharging of the inner roller, an outer feeding door and an outer feeding door are adopted, the outer feeding door is used for being matched with the inner feeding door to facilitate feeding of the inner roller, the outer feeding door is used for discharging of the outer roller, and meanwhile, the inner discharging door is matched to achieve discharging of the inner roller, so that subsequent separated collection is facilitated; adopt spacing gyro wheel and spacing base, with spacing recess cooperation, inject outer cylinder along vertical direction up-and-down motion, prevent the upset, utilize spacing gyro wheel to reduce friction, improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a powder concentrator with good grading effect.

Fig. 2 is a schematic structural view of fig. 1 from another view angle.

Fig. 3 is a schematic structural diagram of an inner roller and an outer roller of the powder concentrator with good grading effect.

Fig. 4 is a schematic structural diagram of an inner roller and a transmission crankshaft in the powder concentrator with good grading effect.

Fig. 5 is a schematic structural diagram of an outer roller in the powder concentrator with good grading effect.

Description of reference numerals:

1-driving a motor; 2-a meshing gear set; 3-a scissor mechanism; 4-compression spring; 5-base plate; 6, lifting the sliding block; 7-a support bar; 8-an outer drum; 9-an external feed gate; 10-a limit groove; 11-an inner drum; 12-an inner feed gate; 13-a drive crankshaft; 14-graded wells; 15-inner discharge door; 16-an outer discharge gate; 17-limiting rollers; 18-limit base.

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.

Example 1

Referring to fig. 1 to 5, in an embodiment of the present invention, a powder concentrator with good grading effect includes a frame and a powder concentrating component disposed on the frame, the frame includes a base plate 5 and four groups of support rods 7, the four groups of support rods 7 are respectively fixedly mounted at four corners of the base plate 5 and are slidably connected to the powder concentrating component; the powder selecting assembly comprises an inner roller 11, an outer roller 8 and two groups of lifting devices, the bottoms of the two groups of lifting devices are slidably mounted on the base plate 5, the top of the two groups of lifting devices is also rotatably provided with a transmission crankshaft 13, the inner roller 11 is fixedly mounted on the transmission crankshaft 13, the side wall of the inner roller is provided with a plurality of groups of grading holes 14, the outer roller 8 is rotatably mounted on the transmission crankshaft 13, and two ends of the outer roller are slidably connected with the supporting rods 7; the powder selecting assembly further comprises a driving device for driving the transmission crankshaft 13 to rotate.

The driving device drives the inner roller 11 to rotate through the transmission crankshaft 13, so that the inner roller 11 overturns the materials in the inner roller, and the grading holes 14 are convenient for grading the materials; meanwhile, the lifting device drives the inner roller 11 and the outer roller 8 to slide on the supporting rod 7 in a reciprocating manner through the transmission crankshaft 13, so that the grading effect is enhanced; finally, the smaller particles fall through the classifying holes 14 into the outer drum 8, and the larger particles remain in the inner drum 11, completing the classification.

The top and the bottom of the inner roller 11 are respectively provided with an inner feeding door 12 and an inner discharging door 15 for feeding and discharging of the inner roller 11; outer 8 tops of cylinder and bottom are provided with outer feed gate 9 respectively and go out bin gate 16 and outer feed gate 9 respectively with go out bin gate 16 and interior feed gate 12 respectively with interior discharge gate 15 position corresponding, outer feed gate 9 is used for cooperating in the feeding of feed gate 12 convenience interior cylinder 11, go out the ejection of compact that bin gate 16 is used for outer cylinder 8, the ejection of compact of cylinder 11 is realized to ejection of compact gate 15 in the cooperation simultaneously.

The lifting device comprises a scissor mechanism 3, compression springs 4 and lifting sliders 6, the top of the scissor mechanism 3 is rotatably connected with a transmission crankshaft 13, the bottom of the scissor mechanism is slidably connected with dovetail chutes formed in a base plate 5 through the lifting sliders 6, the lifting sliders 6 are two groups, the bottom of each lifting slider is provided with the dovetail sliders forming sliding fit with the dovetail chutes, the compression springs 4 are fixedly mounted on the two groups of lifting sliders 6, and one ends of the compression springs 4, far away from the lifting sliders 6, are fixedly connected with the base plate 5; drive bent axle 13 produces the effort to scissors fork mechanism 3 when driving interior cylinder 11 and rotating, makes scissors fork mechanism 3 draw in downwards, thereby leads to two sets of lifting slide 6 to slide dorsad and outside extension compression spring 4, under compression spring 4's elasticity effect, drives two sets of lifting slide 6 and slides in opposite directions, finally makes scissors fork mechanism 3 drive bent axle 13 up-and-down motion, promotes the upset of the inside material of interior cylinder 11, makes it fully and hierarchical hole 14 contact, reinforcing hierarchical effect.

The driving device comprises a driving motor 1 and a meshing gear set 2, the driving motor 1 is fixedly arranged at one end of the outer roller 8, an output shaft of the driving motor is fixedly connected with the meshing gear set 2, and one end, far away from the output shaft, of the meshing gear set 2 is fixedly arranged on a transmission crankshaft 13; the driving motor 1 drives the transmission crankshaft 13 to rotate through the meshing gear set 2, so as to drive the inner roller 11 to rotate, and the grading operation is carried out on the materials.

Example 2

Referring to fig. 1 and 5, in an embodiment of the present invention, in order to enhance the flexibility of the apparatus and improve the classification efficiency, on the basis of embodiment 1, four sets of limiting bases 18 are further fixedly mounted on the outer wall of the outer drum 8 and are respectively located at two ends of the outer drum 8, and four sets of limiting bases 18 are respectively rotatably mounted with limiting rollers 17, and the limiting rollers 17 are in rolling connection with limiting grooves 10 formed on the support rod 7; through spacing gyro wheel 17 and spacing recess 10 cooperation, inject outer cylinder 8 along vertical direction up-and-down motion, prevent that outer cylinder 8 from taking place the upset, utilize spacing gyro wheel 17 less friction, improve work efficiency.

The utility model discloses a theory of operation is:

opening the outer feeding door 9 and the inner feeding door 12, feeding materials to be classified into the inner roller 11, and closing the outer feeding door 9 and the inner feeding door 12; starting a driving motor 1, wherein the driving motor 1 drives a transmission crankshaft 13 to rotate through a meshing gear set 2, and the transmission crankshaft 13 drives an inner roller 11 to rotate, so that the inner roller 11 overturns materials in the inner roller to perform grading operation on the materials; meanwhile, when the transmission crankshaft 13 drives the inner roller 11 to rotate, acting force is generated on the scissor mechanism 3, so that the scissor mechanism 3 is folded downwards, and under the elastic force action of the compression spring 4, the scissor mechanism 3 drives the transmission crankshaft 13 to move up and down, so that the limiting roller 17 rolls in the limiting groove 10, friction is reduced, the outer roller 8 is limited to move up and down along the vertical direction, materials are fully contacted with the grading holes 14, and the grading effect is enhanced; the materials with smaller particles fall into the outer roller 8 through the grading holes 14, and the materials with larger particles are left in the inner roller 11 to finish grading; the outer discharging door 16 is opened to discharge the material with smaller particles in the outer roller 8, and the inner discharging door 15 is opened to discharge the material with larger particles in the inner roller 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The powder concentrator with good grading effect comprises a rack and a powder concentrating component arranged on the rack, and is characterized in that the rack comprises a base plate (5) and four groups of supporting rods (7), wherein the four groups of supporting rods (7) are fixedly arranged at four corners of the base plate (5) respectively and are in sliding connection with the powder concentrating component; the powder selecting assembly comprises an inner roller (11), an outer roller (8) and two groups of lifting devices, the bottoms of the two groups of lifting devices are slidably mounted on a base plate (5), the top of the two groups of lifting devices is also rotatably provided with a transmission crankshaft (13), the inner roller (11) is fixedly mounted on the transmission crankshaft (13), the side wall of the inner roller is provided with a plurality of groups of grading holes (14), the outer roller (8) is rotatably mounted on the transmission crankshaft (13), and the two ends of the outer roller are slidably connected with supporting rods (7); the powder selecting assembly further comprises a driving device for driving the transmission crankshaft (13) to rotate.

2. The powder concentrator with good grading effect according to claim 1, characterized in that the top and the bottom of the inner roller (11) are respectively provided with an inner feeding door (12) and an inner discharging door (15).

3. The powder concentrator with good grading effect according to claim 2, characterized in that the top and the bottom of the outer drum (8) are respectively provided with an outer feeding gate (9) and an outer discharging gate (16) and the outer feeding gate (9) and the outer discharging gate (16) respectively correspond to the inner feeding gate (12) and the inner discharging gate (15).

4. The powder concentrator with good grading effect according to claim 1, wherein the lifting device comprises a scissor mechanism (3), compression springs (4) and lifting sliders (6), the tops of the scissor mechanism (3) are rotatably connected with the transmission crankshaft (13) and the bottoms of the scissor mechanism (3) are slidably connected with dovetail chutes formed in the base plate (5) through the lifting sliders (6), the lifting sliders (6) are two groups, the bottoms of the lifting sliders are provided with the dovetail sliders forming sliding fit with the dovetail chutes, the compression springs (4) are fixedly mounted on the two groups of lifting sliders (6), and one ends of the compression springs (4) far away from the lifting sliders (6) are fixedly connected with the base plate (5).

5. The powder concentrator with good grading effect according to claim 1, characterized in that the driving device comprises a driving motor (1) and a meshing gear set (2), the driving motor (1) is fixedly installed at one end of the outer roller (8) and the output shaft thereof is fixedly connected with the meshing gear set (2), and one end of the meshing gear set (2) far away from the output shaft is fixedly installed on the transmission crankshaft (13).

6. The powder concentrator with good grading effect according to claim 5, characterized in that four sets of limiting bases (18) are fixedly mounted on the outer wall of the outer roller (8) and are respectively located at two ends of the outer roller (8), limiting rollers (17) are respectively rotatably mounted on the four sets of limiting bases (18), and the limiting rollers (17) are in rolling connection with limiting grooves (10) formed in the support rod (7).