CN214718197U - Screening plant is used in concrete production - Google Patents

Abstract

The utility model discloses a screening plant for concrete production, including PMKD, PMKD's top fixed mounting has a pair of support frame, top between the support frame is connected with outer rotary drum jointly, outer rotary drum's inside fixed mounting has interior rotary drum, and the central axis of inner rotary drum and the central axis of outer rotary drum coincide each other, outer rotary drum and the outer screen cloth section of thick bamboo of fixedly connected with and interior screen cloth section of thick bamboo respectively in the middle section position of interior rotary drum, and the mesh diameter size of interior screen cloth section of thick bamboo is greater than the mesh diameter of outer screen cloth section of thick bamboo, the equal fixed welding of inner wall of outer rotary drum and interior rotary drum has helical blade, PMKD has the mount in one side fixed mounting who is close to the support frame, the top fixed mounting of mount has the feeder hopper. This kind of screening plant is used in concrete production, simple structure is reasonable, the modern design, easy operation to have the characteristics that screening efficiency is high and the screening quality is high, be convenient for extensive using widely.

Description

Screening plant is used in concrete production

Technical Field

The utility model relates to a concrete production technical field specifically is a screening plant is used in concrete production.

Background

Along with the development of economy, urban buildings are developed more and more quickly, and the urbanization construction needs to use a large amount of concrete, which is concrete for short: the concrete is a cement concrete which is prepared by mixing cement as a cementing material, sand and stone as aggregates and water (which can contain an additive and an admixture) according to a certain proportion and stirring, and is also called as a common concrete. And current concrete stone screening plant, most screening efficiency is lower, and screening quality is lower, is difficult to satisfy manufacturer's user demand, therefore we improve this, provide a screening plant for concrete production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a screening plant for concrete production, which comprises a fixed base plate, a pair of supporting frames is fixedly arranged at the top end of the fixed base plate, an outer rotary drum is jointly connected at the top end between the supporting frames, an inner rotary drum is fixedly arranged in the outer rotary drum, the central axis of the inner rotary drum is coincident with the central axis of the outer rotary drum, the middle section parts of the outer rotary drum and the inner rotary drum are respectively and fixedly connected with an outer screen drum and an inner screen drum, the mesh diameter of the inner screen drum is larger than that of the outer screen drum, helical blades are fixedly welded on the inner walls of the outer rotary drum and the inner rotary drum, a fixed frame is fixedly arranged at one side close to the supporting frames of the fixed base plate, a feed hopper is fixedly arranged at the top end of the fixed frame, a discharge pipe is arranged at the bottom end of the feed hopper, and the bottom end of the discharge pipe is communicated with one end of the inner rotary drum, the fixed bottom plate is fixedly provided with a discharging machine body at the bottom side close to the outer rotating cylinder, the top of the discharging machine body is provided with feeding cylinders, and the feeding cylinders are provided with three groups.

As an optimal technical scheme of the utility model, the equal fixedly connected with supporting seat in top of support frame, the equal fixed cover in both ends that are close to the supporting seat of outer revolving drum is equipped with the ring gear, the equal fixed mounting in inside of supporting seat has the gear, and the gear respectively with ring gear intermeshing.

As an optimal technical scheme of the utility model, one side fixed mounting of supporting seat has driving motor, just driving motor passes through the axle and is connected with gear drive.

As a preferred technical scheme of the utility model, the cross-section semicircular arc form of supporting seat, and the inside of arc form is installed with the multiunit gyro wheel through the axle, the top of gyro wheel contacts with the surface of outer revolving drum respectively each other.

As an optimized technical solution of the present invention, one end of the inner rotary drum is worn out from one end of the outer rotary drum, and two sets of the feeding drums are respectively connected with one ends of the inner rotary drum and the outer rotary drum.

As a preferred technical scheme of the utility model, PMKD installs the collecting hopper in the bottom side that is close to outer screen cloth section of thick bamboo, just the bottom and the feeding section of thick bamboo of collecting hopper switch-on each other.

As an optimal technical scheme of the utility model, the support frame has the isolation aircraft bonnet in the outside parcel that is close to outer revolving drum, be provided with visual window on the isolation aircraft bonnet, just visual window's inside fixed mounting toughened glass.

The utility model has the advantages that: the screening device for concrete production realizes multi-stage screening on concrete stones through rotation of the outer screen cylinder and the inner screen cylinder on the outer rotary cylinder and the inner rotary cylinder, further can effectively improve screening efficiency and screening quality of the concrete stones, is convenient to produce and use, realizes pushing of the concrete stones through the rotation of the outer rotary cylinder and the inner rotary cylinder through the helical blades inside the outer rotary cylinder and the inner rotary cylinder, and further facilitates continuous rotary screening of the concrete stones, has higher screening efficiency, can effectively reduce dust generated during rotary screening of the outer rotary cylinder and the inner rotary cylinder through the arrangement of the isolating hood, and is further convenient to produce and use; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation to have the characteristics that screening efficiency is high and screening quality is high, be convenient for extensive using widely.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the internal structure of a screening device for concrete production according to the present invention;

FIG. 2 is a schematic view of a supporting frame of the screening device for concrete production of the present invention;

fig. 3 is the external structure schematic diagram of the screening device for concrete production of the present invention.

In the figure: 1. fixing the bottom plate; 2. an outer rotating cylinder; 3. an outer screen cylinder; 4. an inner drum; 5. an inner screen cylinder; 6. a toothed ring; 7. a supporting seat; 8. a drive motor; 9. a helical blade; 10. a discharging machine body; 11. a feeding cylinder; 12. a support frame; 13. a feed hopper; 14. a fixed mount; 15. a collection hopper; 16. a roller; 17. an isolator housing; 18. a visual window.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the screening device for concrete production of the present invention comprises a fixing base plate 1, a pair of supporting frames 12 are fixedly mounted on the top end of the fixing base plate 1, an outer cylinder 2 is commonly connected to the top end between the supporting frames 12, an inner cylinder 4 is fixedly mounted inside the outer cylinder 2, the central axis of the inner cylinder 4 coincides with the central axis of the outer cylinder 2, the middle sections of the outer cylinder 2 and the inner cylinder 4 are respectively and fixedly connected to an outer screen cylinder 3 and an inner screen cylinder 5, the mesh diameter of the inner screen cylinder 5 is larger than that of the outer screen cylinder 3, helical blades 9 are fixedly welded on the inner walls of the outer cylinder 2 and the inner cylinder 4, a fixing frame 14 is fixedly mounted on one side of the fixing base plate 1 close to the supporting frames 12, and a feeding hopper 13 is fixedly mounted on the top end of the fixing frame 14, the bottom end of the feed hopper 13 is provided with a discharge pipe, the bottom end of the discharge pipe is communicated with one end of the inner rotary drum 4, the fixed bottom plate 1 is fixedly provided with a discharge machine body 10 at the bottom side close to the outer rotary drum 2, the top of the discharge machine body 10 is provided with a feed drum 11, and the feed drums 11 are provided with three groups.

Wherein, the top of support frame 12 all fixedly connected with supporting seat 7, outer cylinder 2 is all fixed the cover at the both ends that are close to supporting seat 7 and is equipped with ring gear 6, the equal fixed mounting in inside of supporting seat 7 has the gear, and the gear respectively with ring gear 6 intermeshing.

Wherein, one side fixed mounting of supporting seat 7 has driving motor 8, just driving motor 8 is connected with gear drive through the axle.

The cross section of the supporting seat 7 is in a semicircular arc shape, a plurality of groups of rollers 16 are arranged in the arc shape through shafts, and the top ends of the rollers 16 are respectively contacted with the surface of the outer rotating cylinder 2.

Wherein, one end of the inner rotary drum 4 penetrates out from one end of the outer rotary drum 2, and two groups of the feeding drums 11 are respectively communicated with one ends of the inner rotary drum 4 and the outer rotary drum 2.

Wherein, the fixed bottom plate 1 is provided with a material collecting hopper 15 at the bottom side close to the outer screen cylinder 3, and the bottom end of the material collecting hopper 15 is communicated with the feeding cylinder 11.

The outer side of the support frame 12 close to the outer rotating cylinder 2 is wrapped with an isolation hood 17, a visual window 18 is arranged on the isolation hood 17, and toughened glass is fixedly mounted inside the visual window 18.

The working principle is as follows: when the screening device for concrete production is used, the concrete stones are screened in a rotating multi-stage mode through the rotation of the outer screen cylinder 3 and the inner screen cylinder 5 on the outer rotating cylinder 2 and the inner rotating cylinder 4, the screening efficiency and the screening quality of the concrete stones can be effectively improved, the screening device is convenient to produce and use, the concrete stones can be pushed under the rotation of the outer rotating cylinder 2 and the inner rotating cylinder 4 through the helical blades 9 inside the outer rotating cylinder 2 and the inner rotating cylinder 4, the concrete stones can be further conveniently and continuously screened in a rotating mode, the screening efficiency is high, dust generated during the rotating screening of the outer rotating cylinder 2 and the inner rotating cylinder 4 can be effectively reduced through the arrangement of the isolating hood 17, and the screening device is further convenient to produce and use; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation to have the characteristics that screening efficiency is high and screening quality is high, be convenient for extensive using widely.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The screening device for concrete production comprises a fixed base plate (1) and is characterized in that a pair of support frames (12) are fixedly mounted at the top end of the fixed base plate (1), an outer rotary drum (2) is connected to the top end between the support frames (12) together, an inner rotary drum (4) is fixedly mounted inside the outer rotary drum (2), the central axis of the inner rotary drum (4) is coincident with the central axis of the outer rotary drum (2), the middle sections of the outer rotary drum (2) and the inner rotary drum (4) are fixedly connected with an outer screen drum (3) and an inner screen drum (5) respectively, the mesh diameter of the inner screen drum (5) is larger than that of the outer screen drum (3), helical blades (9) are fixedly welded on the inner walls of the outer rotary drum (2) and the inner rotary drum (4), and a fixed frame (14) is fixedly mounted on one side, close to the support frames (12), of the fixed base plate (1), the top fixed mounting of mount (14) has feeder hopper (13), feeder hopper (13) bottom is provided with the discharging pipe, and the bottom of discharging pipe and the one end of interior rotary drum (4) switch-on each other, PMKD (1) is being close to the bottom side fixed mounting of outer rotary drum (2) and is being had ejection of compact organism (10), ejection of compact organism (10) top is provided with feeding section of thick bamboo (11), just feeding section of thick bamboo (11) set up three groups altogether.

2. A screening device for concrete production according to claim 1, wherein the top end of the supporting frame (12) is fixedly connected with a supporting base (7), the two ends of the outer rotating drum (2) close to the supporting base (7) are fixedly sleeved with toothed rings (6), the inside of the supporting base (7) is fixedly provided with gears, and the gears are respectively meshed with the toothed rings (6).

3. A screening device for concrete production according to claim 2, wherein a driving motor (8) is fixedly mounted on one side of the supporting base (7), and the driving motor (8) is in transmission connection with a gear through a shaft.

4. A screening device for concrete production according to claim 2, wherein the cross section of said supporting base (7) is in the shape of a semicircular arc, and a plurality of sets of rollers (16) are mounted inside the arc through shafts, the top ends of said rollers (16) being in contact with the surface of the outer drum (2), respectively.

5. A screening device for concrete production according to claim 1, wherein one end of said inner drum (4) protrudes from one end of said outer drum (2), and two groups of said feed drums (11) are in communication with one end of said inner drum (4) and one end of said outer drum (2), respectively.

6. A screening device for concrete production according to claim 1, wherein the fixed floor (1) is provided with a collection hopper (15) near the bottom side of the outer screen cylinder (3), and the bottom end of the collection hopper (15) is in communication with the feed cylinder (11).

7. A screening device for concrete production according to claim 1, wherein the supporting frame (12) is wrapped with an isolating hood (17) near the outer side of the outer rotary drum (2), a visible window (18) is arranged on the isolating hood (17), and toughened glass is fixedly arranged inside the visible window (18).

Images