CN210701121U

CN210701121U - Concrete vibrates separation sieve

Info

Publication number: CN210701121U
Application number: CN201921535582.8U
Authority: CN
Inventors: 周健忠; 孙仁海; 张建国
Original assignee: Beijing Road New Asphalt Concrete Co Ltd
Current assignee: Beijing Road New Asphalt Concrete Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-09
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a concrete shock separating screen relates to concrete production facility, including the screening case that the slope set up and the husky soil conveyer of arranging in screening case one side, be provided with the baffle-box on the screening case, the baffle-box rigid coupling has seted up the connector on the baffle-box on the lateral wall of screening case, has seted up the feed inlet on the screening case lateral wall, connector and feed inlet intercommunication, the one end of husky soil conveyer is located husky soil raw materials department, and the other end of husky soil conveyer is located the baffle-box directly over. The sand-soil impact-proof screen has the advantage that the sand-soil impact on the primary separating screen can be avoided.

Description

Concrete vibrates separation sieve

Technical Field

The utility model relates to a concrete production facility especially relates to a concrete vibrates separating screen.

Background

At present, in the process of concrete production, sandy soil raw materials used in the concrete production need to be screened and classified according to different diameters of the sandy soil raw materials, and the most sandy soil raw materials are vibrating separation sieves when being screened.

As shown in fig. 1 and 2, a concrete oscillating separating screen comprises a rectangular screening box 6, four support rods 61 are arranged on the side wall of the screening box 6, the support rods 61 are vertically arranged, the screening box 6 is supported on the ground by the four support rods 61, a spring 611 is arranged at the top of each support rod 61, one end of each spring 611 is fixedly connected with the side wall of the screening box 6, the other end of each spring 611 is fixedly connected with the top end of each support rod 61, a vibrating motor 62 is fixedly connected to the side wall of the screening box 6, the top and the bottom of the screening box 6 are not closed, the screening box 6 is obliquely arranged, a primary separating screen 63 is fixedly connected to the inside of the screening box 6, the primary separating screen 63 is fixedly connected to the side wall of the inside of the screening box 6, the primary separating screen 63 is obliquely arranged, the oblique direction of the primary separating screen 63 is the same as the oblique direction of the screening box 6, a secondary separating screen 64 is arranged below the primary separating screen 63, the, the secondary separating screen 64 is parallel to the primary separating screen 63, and there is a distance between the secondary separating screen 64 and the primary separating screen 63. The diameters of the screen holes on the first-stage separating screen 63 and the second-stage separating screen 64 are reduced in sequence, so that the effect of filtering layer by layer can be achieved.

The side wall of the screening box 6 is provided with a first discharge hole 65, the first discharge hole 65 is communicated with the upper space of the primary separating screen 63, the material screened by the primary separating screen 63 can be discharged from the first discharge hole 65, the first discharge hole 65 is fixedly connected with a first material guiding pipe 651, the material discharged from the first discharge hole 65 is discharged to the outside through the first material guiding pipe 651, the side wall of the screening box 6 below the first discharge hole 65 is provided with a second discharge hole 66, the space between the secondary separating screen 64 and the primary separating screen 63 is communicated with the outside through the second discharge hole 66, the second discharge hole 66 is fixedly connected with a second material guiding pipe 661, the material discharged from the second discharge hole 66 is discharged to the outside through the second material guiding pipe 661, a discharge hopper 67 is arranged below the screening box 6, and the material filtered by the secondary separating screen 64 can slide down into the discharge hopper 67.

The sandy soil conveyor 2 is arranged on the ground, one end of the sandy soil conveyor 2 is positioned at a sandy soil raw material, and the other end of the sandy soil conveyor 2 is positioned above the screening box 6.

The sandy soil conveyer 2 moves outside sandy soil raw materials to the top of screening case 6 after, deliver to the primary separating sieve 63 on, because vibrating motor 62's effect, screening case 6 is in the vibration state always, the primary separating sieve 63 sieves out the raw materials of great diameter, remaining raw materials get into secondary separating sieve 64, secondary separating sieve 64 continues to sieve the raw materials, the material that the screening finishes is discharged through going out hopper 67, because screening case 6, primary separating sieve 63 and secondary separating sieve 64 are all the slope arrangement, so the material that sieves out can be followed first discharge gate 65 and second discharge gate 66 and discharged under the action of gravity.

The technical scheme has the following defects: the sandy soil conveyor 2 conveys sandy soil to the top of the screening box 6 and then directly throws the sandy soil to the primary separating sieve 63, sandy soil thrown to the primary separating sieve 63 from the sandy soil conveyor 2 can directly impact the primary separating sieve 63, the same position on the primary separating sieve 63 bears impact force of sandy soil raw materials for a long time, fatigue of the primary separating sieve 63 can easily occur, and the primary separating sieve 63 is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete vibrates separating screen, it has the advantage that can avoid sand and soil directly to cause the impact to the one-level separating screen.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a concrete shock separation sieve, includes the screening case that the slope set up and arranges the sand and soil conveyer in screening case one side, is provided with the baffle-box on the screening case, and the baffle-box rigid coupling has seted up the connector on the lateral wall of screening case on the baffle-box, has seted up the feed inlet on the screening case lateral wall, connector and feed inlet intercommunication, and sand and soil conveyer's one end is located sand and soil raw materials department, and sand and soil conveyer's the other end is located the baffle-box directly over.

Through adopting above-mentioned technical scheme, the sandy soil conveyer carries sandy soil to the baffle-box directly over the back, with sandy soil in throwing in the baffle-box, sandy soil enters into the one-level separation sieve through connector and feed inlet behind the baffle-box and screens, this process has avoided the conveyer belt directly to put in the one-level separation sieve with sandy soil, causes great impact to the one-level separation sieve, uses the back for a long time, the damage appears easily in the one-level separation sieve.

The utility model discloses further set up to: the buffer box is fixedly connected to the side wall of the top of the screening box.

Through adopting above-mentioned technical scheme, the sand and soil raw materials that get into in the baffle-box can enter into the screening incasement from connector and feed inlet under the effect of gravity.

The utility model discloses further set up to: and an accelerating plate which is obliquely arranged towards the connecting port is fixedly connected to the bottom of the buffer box.

Through adopting above-mentioned technical scheme, make the sand and soil that falls into in the baffle-box enter into the screening incasement that can accelerate, avoid the bottom surface of baffle-box to deposit sand and soil simultaneously.

The utility model discloses further set up to: and a flow guide pipe for increasing the opening area of the buffer box is fixedly connected to the bottom of the buffer box.

By adopting the technical scheme, the guide pipe can receive sandy soil falling from the sandy soil conveyor in a wider range, and the sandy soil falling from the sandy soil conveyor can be scattered outside the buffer box as far as possible.

The utility model discloses further set up to: the rigid coupling has driving motor on the lateral wall of baffle-box, and the rigid coupling has the rotary rod on driving motor's the output shaft, and in the rotary rod was worn to establish into the baffle-box, the rotary rod rotated with the lateral wall of baffle-box and is connected, and the rigid coupling has a plurality of rotating blade on the rotary rod that is located the baffle-box.

Through adopting above-mentioned technical scheme, rotary rod and rotating vane are rotatory under driving motor's drive, can promote the interior sand and soil of baffle-box towards the connector motion, when avoiding weather comparatively moist simultaneously, the sand and soil in the baffle-box takes place to condense and blocks.

The utility model discloses further set up to: the connecting rod is arranged above the rotating rod, and a baffle is fixedly connected to the supporting rod.

Through adopting above-mentioned technical scheme, the baffle can carry out certain degree with the sand that the sand and soil conveyer dropped and shelter from, avoids the sand and soil on the sand and soil conveyer directly to drop to the baffle-box in, strikes the rotary rod and the rotating blade in the baffle-box for the life of rotating blade and rotary rod reduces.

The utility model discloses further set up to: the baffle comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are perpendicular to each other and are in an L shape.

Through adopting above-mentioned technical scheme, change the sand and soil rebound direction that falls on the baffle, avoid falling on the sand and soil on the baffle as far as and bounce out the baffle-box by the baffle.

The utility model discloses further set up to: the screening box is hinged with a closed cover used for closing an opening at the top of the screening box.

Through adopting above-mentioned technical scheme, the closing cap can shelter from the raw materials on a collection separation sieve, avoids the screening case when the vibration, and the sand and soil raw materials on the one-level separation sieve are vibrated out the screening case.

The utility model discloses further set up to: the closure caps include a first closure cap, a second closure cap, and a third closure cap.

Through adopting above-mentioned technical scheme, when the closing cap need be opened, can once open first closing cap, second closing cap and third closing cap, avoided only using a closing cap to seal the screening case, cause the closing cap great for the closing cap is difficult to open.

To sum up, the utility model discloses a beneficial technological effect does:

1. the buffer box is arranged on the side wall of the top of the screening box and is communicated with the screening box, sand is delivered into the buffer box after the sand conveyor conveys the sand to the position right above the buffer box, the sand enters the primary separation sieve through the connecting port and the feeding port for screening after passing through the buffer box, and therefore the process of directly delivering the sand onto the primary separation sieve by the conveying belt is avoided, large impact is caused to the primary separation sieve, and the primary separation sieve is easy to damage after long-time use;

2. the driving motor, the rotating rod and the rotating blades are arranged on the buffer tank, and the rotating rod and the rotating blades are driven by the driving motor to rotate, so that the sand in the buffer tank can be promoted to move towards the connecting port, and the sand in the buffer tank is prevented from being condensed and blocked when the weather is wet;

3. set up L shape baffle through the top at rotary rod and rotating vane, the baffle can carry out certain degree with the sand that the sand and soil conveyer dropped and shelter from, avoids the direct buffer tank that drops of sand and soil on the sand and soil conveyer in, strikes rotary rod and rotating vane in the buffer tank for the life of rotating vane and rotary rod reduces.

Drawings

FIG. 1 is a schematic view of the overall structure of a prior art oscillating screen;

FIG. 2 is a cross-sectional view of a prior art screening box;

FIG. 3 is a schematic view of the overall structure of the oscillating screen of this embodiment;

FIG. 4 is a side sectional view of the screen box of this embodiment;

FIG. 5 is a schematic view showing the overall structure of the buffer tank in this embodiment;

fig. 6 is a side sectional view of the surge tank in this embodiment.

In the figure, 1, a buffer tank; 11. a connecting port; 12. a flow guide pipe; 13. an accelerator plate; 2. a sand conveyor; 3. a drive motor; 31. rotating the rod; 311. a rotating blade; 4. a connecting rod; 41. a baffle plate; 411. a first connecting plate; 412. a second connecting plate; 5. a closure cap; 51. a first closure cap; 52. a second closure cap; 53. a third closure cap; 6. screening the box; 61. a support bar; 611. a spring; 62. a vibration motor; 63. a first-stage separating screen; 64. a secondary separation sieve; 65. a first discharge port; 651. a first material guiding pipe; 66. a second discharge port; 661. a second material guiding pipe; 67. a discharge hopper; 68. and (4) feeding a material inlet.

Detailed Description

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

As shown in fig. 3 and 4, the utility model discloses a concrete shock separating screen, including the baffle-box 1 of rectangle, 1 tops of baffle-box are not sealed, and 1 rigid coupling of baffle-box has seted up feed inlet 68 on the lateral wall of screening case 6, and feed inlet 68 is located the top of one-level separating screen 63.

As shown in fig. 5, a connection port 11 is opened on the side wall of the buffer tank 1, the buffer tank 1 is communicated with the inside of the screening tank 6 through the connection port 11 and the feed port 68, and the sandy soil conveyor 2 is positioned right above the buffer tank 1.

Sand and soil conveyer 2 carries the sand and soil to buffer tank 1 directly over the back, then in throwing into buffer tank 1 with sand and soil, sand and soil enters into the screening on the one-level separation sieve 63 through connector 11 and feed inlet 68 behind buffer tank 1, this process has avoided sand and soil conveyer 2 directly to put in one-level separation sieve 63 with sand and soil, causes great impact to one-level separation sieve 63, after using for a long time, damage appears easily in one-level separation sieve 63.

As shown in fig. 6, the sandy soil falling in the buffer tank 1 may be accumulated on the bottom surface of the buffer tank 1, and in order to accelerate the sandy soil falling in the buffer tank 1 into the sieving tank 6 and to prevent the sandy soil from being accumulated on the bottom surface of the buffer tank 1, a rectangular acceleration plate 13 is provided at the bottom of the buffer tank 1, the acceleration plate 13 is obliquely arranged toward the connection port 11, one end of the acceleration plate 13 is fixedly connected to the lower bottom surface of the connection port 11, and the other end of the acceleration plate 13 is fixedly connected to the side wall of the buffer tank 1 which is aligned with the connection port 11.

As shown in fig. 5 and 6, the opening of the buffer tank 1 is limited, so that the sand falling from the sand conveyor 2 into the buffer tank 1 may fall outside the buffer tank 1, and in order to prevent the sand from falling outside the buffer tank 1, and to make the buffer tank 1 receive as much sand as possible, the top of the buffer tank 1 is fixedly connected with a draft tube 12, and the draft tube 12 is horn-shaped in size.

When air humidity is higher and the sand that drops in honeycomb duct 12 from sand conveyer 2 is more, produce the adhesion easily between the sand, probably can make baffle-box 1 and honeycomb duct 12 block up, in order to avoid honeycomb duct 12 and baffle-box 1 to block up, the rigid coupling has driving motor 3 on the lateral wall of baffle-box 1, the rigid coupling has rotary rod 31 on driving motor 3's the output shaft, rotary rod 31 is perpendicular with baffle-box 1's lateral wall, rotary rod 31 passes baffle-box 1, and rotate with baffle-box 1's lateral wall and be connected, the rigid coupling has a plurality of rotating vane 311 on rotary rod 31, a plurality of rotating vane 311 spiral evenly distributed on rotary rod 31.

The sand and soil that falls from sand and soil conveyer 2 in buffer box 1 can directly strike on rotary rod 31 and rotating vane 311, after the long-time impact of sand and soil, the life of rotary rod 31 and driving motor 3 can reduce, in order to avoid sand and soil to directly strike on rotary rod 31 and rotating vane 311 when falling in buffer box 1, the rigid coupling has connecting rod 4 on the inner peripheral surface of honeycomb duct 12, be provided with baffle 41 on the connecting rod 4, sand and soil can strike on baffle 41 and then get into in the buffer box 1 when falling in buffer box 1.

If the baffle 41 is rectangular, when the sand impacts the baffle 41, the sand is ejected upwards, and the sand may run out of the draft tube 12, in order to prevent the sand from being ejected out of the buffer tank 1 when impacting the baffle 41 as much as possible, the baffle 41 includes a rectangular first connecting plate 411 and a rectangular second connecting plate 412, one side of the first connecting plate 411 is fixedly connected with one side of the second connecting plate 412, and the baffle 41 is L-shaped.

Vibrate the sieve in the during operation, screening case 6 can vibrate from top to bottom, and the sand and soil raw materials on the primary separating sieve 63 probably run out from screening case 6 under the vibration of screening case 6, run out from screening case 6 under the vibration of screening case 6 for avoid the sand and soil raw materials as far as possible, and screening case 6 top is provided with and is used for sieving case 6 confined closing cap 5.

If the sifting box 6 is closed with only one closing cap 5, the area of the closing cap 5 is also large because the sifting box 6 has a large volume, so that the closing cap 5 may not be easily opened when the closing cap 5 is opened, and in order to facilitate the opening of the sifting box 6, the closing cap 5 includes a first closing cap 51, a second closing cap 52, and a third closing cap 53, and the first closing cap 51, the second closing cap 52, and the third closing cap 53 are arranged along the length direction of the sifting box 6.

The implementation principle of the embodiment is as follows: when carrying out husky soil raw materials sieve, husky soil conveyer 2 carries husky soil to baffle-box 1 directly over the back, deliver to baffle-box 1 with husky soil in, the rigid coupling has honeycomb duct 12 on the baffle-box 1, the sandy soil that drops on the husky soil conveyer 2 of honeycomb duct 12 can be received on a wider range, the bottom of baffle-box 1 is provided with the board 13 with higher speed of rectangle, board 13 with higher speed can make the husky soil that gets into sieve box 6 get into sieve box 6 with higher speed, also can avoid simultaneously baffle-box 1 interior volume to stay husky soil. The sand falling into the buffer tank 1 is accelerated into the sieving tank 6 by the rotating rods 31 and the rotating blades 311, and the baffle 41 prevents the sand falling from the sand conveyor 2 from directly impacting the rotating blades 311 and the rotating rods 31.

When the screening box 6 is overhauled, the closing cover 5 can be opened in sequence to check the condition inside the screening box 6.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete vibrates separation sieve, includes screening case (6) that the slope set up and arranges sand and soil conveyer (2) in screening case (6) one side, its characterized in that: be provided with baffle-box (1) on screening case (6), on the lateral wall of baffle-box (6) was seted up to baffle-box (1) rigid coupling, connector (11) have been seted up on baffle-box (1), feed inlet (68) have been seted up on screening case (6) lateral wall, connector (11) and feed inlet (68) intercommunication, the one end of sand and soil conveyer (2) is located sand and soil raw materials department, the other end of sand and soil conveyer (2) is located baffle-box (1) directly over.

2. The concrete shaking separation screen as recited in claim 1, wherein: the buffer box (1) is fixedly connected to the side wall of the top of the screening box (6).

3. The concrete shaking separation screen as recited in claim 2, wherein: and an acceleration plate (13) which is obliquely arranged towards the connecting port (11) is fixedly connected to the bottom of the buffer tank (1).

4. The concrete shaking separation screen as recited in claim 2, wherein: and a flow guide pipe (12) for increasing the opening area of the buffer box (1) is fixedly connected to the bottom of the buffer box (1).

5. The concrete shaking separation screen as recited in claim 2, wherein: the utility model discloses a buffer box, including buffer box (1), the lateral wall of buffer box (1) is gone up the rigid coupling and is had driving motor (3), and the rigid coupling has rotary rod (31) on the output shaft of driving motor (3), and in buffer box (1) was worn to establish in rotary rod (31), rotary rod (31) rotated with the lateral wall of buffer box (1) and is connected, and the rigid coupling is equipped with a plurality of rotating vane (311) on rotary rod (31) that are located buffer box (1).

6. The concrete shaking separation screen of claim 5, wherein: a connecting rod (4) is arranged above the rotating rod (31), and a baffle (41) is fixedly connected to the supporting rod (61).

7. The concrete shaking separation screen as recited in claim 6, wherein: the baffle (41) comprises a first connecting plate (411) and a second connecting plate (412), and the first connecting plate (411) and the second connecting plate (412) are perpendicular to each other and are L-shaped.

8. The concrete shaking separation screen as recited in claim 2, wherein: the screening box (6) is hinged with a closing cover (5) used for closing an opening at the top of the screening box (6).

9. The concrete vibrating separating screen as claimed in claim 8, wherein: the closure cap (5) comprises a first closure cap (51), a second closure cap (52) and a third closure cap (53).