CN212421774U

CN212421774U - Concrete aggregate distribution device

Info

Publication number: CN212421774U
Application number: CN202020718316.5U
Authority: CN
Inventors: 邹春宜; 廖栋鑫
Original assignee: Shenzhen Tiandi Dongjian Concrete Co ltd
Current assignee: Shenzhen Tiandi Dongjian Concrete Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a concrete aggregate distributor relates to the technical field of concrete equipment, and it includes coarse screening device, fine screen device, is located the coarse screening device with first conveyer belt between fine screen device and being located the second conveyer belt of fine screen device below, the discharge gate has been seted up to fine screen device below, discharge gate one side is provided with dust extraction, dust extraction includes dust absorption pipe, dust absorption head, collecting box and aspirator pump, the dust absorption head can be dismantled the connection and be in the one end of dust absorption pipe, the other end of dust absorption pipe with the connection can be dismantled to the collecting box, the aspirator pump with the collecting box is connected. The utility model discloses a dust extraction's setting, the dust that produces when sieving the transportation to the aggregate absorbs the collection, avoids the concrete aggregate to produce the phenomenon of flying dust when the transportation, plays the effect of environmental protection, green production.

Description

Concrete aggregate distribution device

Technical Field

The utility model belongs to the technical field of the technique of concrete equipment and specifically relates to a concrete aggregate distributor is related to.

Background

The concrete is one of the most important civil engineering materials, and is an artificial stone material prepared by mixing a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, uniformly stirring, densely forming, curing and hardening. Aggregate, also known as aggregate, is a granular material that serves as a framework and a filler in concrete and mortar.

Chinese patent No. CN202028542U discloses an aggregate screening and conveying system, which includes a first screening device, a first conveying device disposed downstream of the first screening device, a second screening device disposed downstream of the first conveying device, and a second conveying device disposed downstream of the second screening device. The device sufficiently screens the aggregate through the arrangement of the screening devices and the conveying device, so that the screening effect of the aggregate is improved, and the quality of the aggregate entering the processing equipment is guaranteed.

The above prior art solutions have the following drawbacks: when the device is used for screening, as the aggregates contain impurities such as stone powder and fine particles, in the process that the aggregates leave the second screening device and move to the second conveying device, the flying dust phenomenon at the discharge port of the second screening device can occur, the working environment is polluted, and the health of workers can be damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a concrete aggregate distributor can absorb the flying dust that screening plant discharge gate department produced, avoids flying dust pollution operational environment, plays the effect of environmental protection, green production.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a concrete aggregate distributor, includes coarse screening device, fine screening device, is located first conveyer belt between coarse screening device with fine screening device and is located the second conveyer belt of fine screening device below, the discharge gate has been seted up to fine screening device below, discharge gate department is provided with dust extraction, dust extraction includes dust absorption pipe, dust absorption head, collecting box and aspirator pump, the dust absorption head can dismantle the connection in the one end of dust absorption pipe, the other end of dust absorption pipe with the collecting box can dismantle the connection, the aspirator pump with the collecting box is connected.

Through adopting above-mentioned technical scheme, when carrying out the screening transportation work of aggregate, start the aspirator pump, the aspirator pump makes to be negative pressure state in the collecting box, receive the attraction and enter into the dust absorption pipe from the dust absorption head when tiny granule such as mountain flour falls from discharge gate department in, carry through the dust absorption pipe at last and collect the processing in the collecting box, and then avoided aggregate screening transportation in discharge gate department the condition of flying dust, avoided flying dust pollution operational environment, play the effect of environmental protection and green production.

The present invention may be further configured in a preferred embodiment as: the dust absorption head is ring shape and middle part is the fretwork state, the dust absorption head is located the discharge gate below, the first inner wall of dust absorption is followed the first circumference of dust absorption is inwards seted up the dust absorption mouth.

By adopting the technical scheme, the dust collection head is hollowed, so that dust collection work and aggregate screening and transporting work are not interfered with each other, and the aggregate still leaves the fine screening device from the discharge port and passes through the hollowed area of the dust collection head; meanwhile, compared with the dust collection head arranged on one side of the discharge hole, the dust collection opening in the inner wall of the dust collection head enables flying dust generated when the aggregate falls to enter the dust collection opening as much as possible for collection, and prevents the flying dust from polluting the working environment.

The present invention may be further configured in a preferred embodiment as: the two sides of the dust suction opening in the vertical direction are provided with guide inclined planes which incline towards the dust suction opening.

Through adopting above-mentioned technical scheme, the setting of guide inclined plane for the flying dust receives the adsorption of dust absorption mouth promptly when moving near dust absorption mouth, has increased the effective dust absorption area of dust absorption mouth to a certain extent.

The present invention may be further configured in a preferred embodiment as: the bottom surface of dust absorption head is in the direction the dust absorption head installs the lopsidedness setting of dust absorption pipe, the dust absorption head is installed one side of dust absorption pipe and is located relative position minimum.

Through adopting above-mentioned technical scheme, dust absorption head bottom is to installing dust absorption pipe lopsidedness and dust absorption pipe and being located the setting of minimum for the dust that the dust absorption head bottom was gathered has the trend to the motion of dust absorption pipe department, has reduced the volume that the flying dust is gathered in the dust absorption head bottom to a certain extent, avoids the flying dust to gather too much and influence the dust absorption effect of dust absorption head in the dust absorption head.

The present invention may be further configured in a preferred embodiment as: the collecting box is arranged in a split mode and comprises a top cover and a box body, the top cover is detachably connected to the box body, an installation cavity is formed in the box body inwards, a filter hopper is installed in the installation cavity, filter holes are formed in the filter hopper, a connecting pipe communicated with the installation cavity is connected to the side wall of the box body, and the other end of the connecting pipe is communicated with the suction pump.

By adopting the technical scheme, the dust collected in the collecting box can be conveniently cleaned in time due to the split arrangement of the collecting box, and the dust collecting effect of the dust collecting head on the dust is prevented from being influenced due to excessive dust in the collecting box; the setting of filtration pore on the filter hopper simultaneously, the convenience carries out preliminary filtration to the granule in the dust, avoids the great dust of granule to enter into the aspirator pump from the connecting pipe in, and then causes the damage to the aspirator pump.

The present invention may be further configured in a preferred embodiment as: the box top terminal surface is followed the inwards mounting groove of having seted up of box circumference, the top cap bottom surface is followed the outside salient of top cap circumference is formed with first bellying and second bellying, first bellying is located in the second bellying, first bellying with the mounting groove joint cooperation, first bellying with be formed with between the second bellying with box joint complex joint groove.

Through adopting above-mentioned technical scheme, the cooperation of mounting groove on first bellying and the box on the top cap and the cooperation of joint groove and box periphery wall on the top cap have increased the dust to a certain extent and have left the required route of collecting box, have avoided taking place the condition that the dust escaped in the in-process collecting box department of carrying out the dust absorption to a certain extent.

The present invention may be further configured in a preferred embodiment as: the box is provided with the locking piece that is used for locking the top cap outward, the locking piece includes locking ring, base, handle and couple, couple fixed connection is on the periphery wall of top cap, the base is installed on the box outer wall, the handle articulates on the base, the both ends of locking ring articulate on the handle.

Through adopting above-mentioned technical scheme, the setting of locking piece for be in between top cap and box and support tight state, when the dust in the collecting box needs to be cleared up, upwards turn the handle, the handle takes place to rotate around the pin joint on the base, because the locking ring articulates on hand and the length of locking ring is fixed, consequently the handle takes place to rotate and drives the locking ring and take place to move and leave the couple on the top cap simultaneously, and then removes the locking state between top cap and box.

The present invention may be further configured in a preferred embodiment as: the inner wall of the box body and the communication position of the connecting pipe are connected with a filter tip through bolts, and filter cotton is installed in the filter tip.

By adopting the technical scheme, the arrangement of the filter tip and the filter cotton can filter the dust filtered by the filter holes again, reduce the amount of the dust transported into the air suction pump through the connecting pipe, and reduce the damage of the dust to the air suction pump; meanwhile, the filter tip is conveniently disassembled and the filter cotton is replaced by the mode of connecting the filter tip by bolts.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the dust collection device, dust generated during screening and transportation of the aggregate is absorbed and collected, so that the phenomenon of dust flying during transportation of the concrete aggregate is avoided;

2. the collecting box is arranged in a split manner, so that dust collected in the collecting box can be cleaned in time conveniently, and the dust collection effect is prevented from being influenced by excessive dust accumulation in the collecting box;

3. the filter tip and the setting of filter pulp for carry out the secondary to the dust in the collecting box and filter, reduce the volume that the dust enters into the aspirator pump through the connecting pipe and then reduce the damage to the aspirator pump.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present embodiment;

FIG. 2 is a schematic vertical cross-sectional view of the cleaning head of FIG. 1;

FIG. 3 is a schematic view in vertical section at the collection tank of FIG. 1;

fig. 4 is a schematic view of the exploded structure of the handle and locking ring at the collection box of fig. 1.

In the figure, 100, a coarse screening device; 101. a batching hopper; 102. screening a screen; 110. a fine screening device; 120. a first conveyor belt; 130. a second conveyor belt; 140. a guide plate; 150. a discharge port; 160. a dust collection device; 161. a dust collection pipe; 162. a dust collection head; 163. a collection box; 1631. a top cover; 1632. a box body; 164. a getter pump; 170. a connecting pipe; 180. a dust suction port; 190. a guide ramp; 200. a dust collection hole; 210. mounting grooves; 220. a first boss portion; 230. a second boss portion; 240. a clamping groove; 250. a filter hopper; 260. filtering holes; 270. a filter tip; 280. mounting a plate; 290. a locking member; 291. locking a ring; 292. a base; 293. a handle; 294. and (4) hanging hooks.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a concrete aggregate distributor, including coarse screen device 100, fine screen device 110, be located first conveyer belt 120 between coarse screen device 100 and fine screen device 110 and be located second conveyer belt 130 of fine screen device 110 below, coarse screen device 100 is installed in the aggregate storehouse below that is used for depositing the concrete aggregate, coarse screen device 100 includes batching fill 101 and screen cloth 102, batching fill 101 fixed connection is in aggregate storehouse below, screen cloth 102 can be dismantled the feed inlet department of connection at batching fill 101, first conveyer belt 120 is located batching fill 101 below.

The fine screening means 110 is provided as an aggregate screening machine, and the aggregate screening machine used herein is a sandstone aggregate screening machine manufactured by zhengzhou golden sea mechanical equipment ltd. One end of the first conveying belt 120 is inclined upwards, a guiding plate 140 for guiding aggregate to enter the aggregate screening machine is fixedly connected between the end of the first conveying belt 120 with the highest relative position and the feeding hole of the aggregate screening machine, a discharging hole 150 is formed below the aggregate screening machine, and the second conveying belt 130 is located below the discharging hole 150 of the aggregate screening machine.

The discharging hole 150 is provided with a dust suction device 160, the dust suction device 160 comprises a dust suction pipe 161, a dust suction head 162, a collecting box 163 and a suction pump 164, the suction pump 164 is installed on the ground, the suction pump 164 is connected with the collecting box 163 through a connecting pipe 170, one end of the dust suction pipe head 161 is fixedly connected with the collecting box 163, and the other end is detachably connected with the dust suction head 162.

Referring to fig. 1 and 2, the dust collection head 162 is in a circular ring shape, the middle of the dust collection head is in a hollow state, the dust collection head 162 is sleeved below the discharge hole 150, a cavity is formed in the dust collection head 162, a dust collection port 180 is formed in the inner wall of the dust collection head 162 along the circumferential direction of the dust collection head 162, guide inclined planes 190 inclined to the dust collection port 180 are arranged on two sides of the dust collection port 180 along the vertical direction, and dust collection holes 200 communicated with the cavity are formed in the positions of the dust collection port 180 and the guide inclined planes 190 in. The bottom end in the cavity of the dust suction head 162 is inclined towards the side of the dust suction head 162 where the dust suction pipe 161 is installed, and the side of the dust suction head 162 where the dust suction pipe 161 is installed is located at the lowest position of the opposite position.

Referring to fig. 3, the collecting box 163 is split and the collecting box 163 is rectangular frame-shaped, the collecting box 163 includes a top cover 1631 and a box 1632, the top cover 1631 is detachably connected to the box 1632, a through hole is formed in the top end of the top cover 1631 along the vertical direction, and the dust collection pipe 161 is fixedly connected to the through hole. The installation cavity has inwards been seted up to box 1632, and box 1632 top terminal surface has inwards seted up mounting groove 210 along box 1632 circumference, and top cap 1631 bottom surface has first bellying 220 and second bellying 230 along the outside integrated into one piece in top cap 1631 circumference, first bellying 220 and the cooperation of mounting groove 210 joint. The second protruding portion 230 is located outside the first protruding portion 220, and a clamping groove 240 for clamping and matching with the outer wall of the box 1632 is formed between the first protruding portion 220 and the second protruding portion 230. The top cover 1631 is connected with the filter hopper 250 through a bolt, the filter hopper 250 is provided with a filter hole 260, the shape of the filter hopper 250 is matched with the installation cavity of the box 1632, and a space is formed between the outer peripheral wall of the filter hopper 250 and the inner wall of the box 1632. An opening is formed in the side wall of the box 1632, and the connecting pipe 170 is fixedly connected to the box 1632 and is communicated with the installation cavity. The box 1632 has a filter 270 through the bolt at the opening, and the filter 270 has filter cotton.

Referring to fig. 4, the mounting plates 280 are fixedly connected to four side walls of the box 1632, the cross sections of the top cover 1631 and the box 1632 in the horizontal direction are regular square, and a half of the length difference between the top cover 1631 and the box 1632 is equal to the thickness of the mounting plate 280, so that an end surface of the mounting plate 280 far away from the box 1632 and a side surface of the top cover 1631 are in the same vertical plane. The locking member 290 for locking the top cover 1631 is disposed outside the case 1632, the locking member 290 includes a locking ring 291, a base 292, a handle 293 and a hook 294, the base 292 is fixedly connected to the mounting plate 280, the handle 293 is hinged to the base 292 through a hinge shaft, the locking ring 291 has a notch, both ends of the locking ring 291 having the notch are respectively hinged to both sidewalls of the handle 293, and the hook 294 is fixedly connected to a side surface of the top cover 1631.

The implementation principle of the embodiment is as follows:

when the concrete aggregate needs to be screened and transported, the concrete aggregate in the aggregate bin enters the batching hopper 101, the screen 102 in the batching hopper 101 primarily filters the concrete aggregate, the filtered concrete aggregate falls on the first conveyer belt 120 for transportation and enters the aggregate screening machine through the guide plate 140, the aggregate screening machine secondarily screens the concrete aggregate, the concrete aggregate meeting the production particle size requirement falls on the second conveyer belt 130 at the discharge hole 150, the concrete aggregate is attracted by the dust suction head 162 in the falling process, so that the dust in the concrete aggregate is absorbed by the dust absorption head 162, the dust is further transported to the box 1632 through the dust absorption pipe 161 and is collected in the box 1632, and then avoid appearing the phenomenon of fly ash in the in-process of screening transportation concrete aggregate for the production process is environmental protection more, green pollution-free.

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. A concrete aggregate distribution device comprising a coarse screening device (100), a fine screening device (110), a first conveyor belt (120) located between the coarse screening device (100) and the fine screening device (110), and a second conveyor belt (130) located below the fine screening device (110), characterized in that: a discharge hole (150) is formed in the lower portion of the fine screen device (110), a dust suction device (160) is arranged at the discharge hole (150), the dust suction device (160) comprises a dust suction pipe (161), a dust suction head (162), a collection box (163) and a suction pump (164), the dust suction head (162) is detachably connected to one end of the dust suction pipe (161), the other end of the dust suction pipe (161) is detachably connected with the collection box (163), and the suction pump (164) is connected with the collection box (163).

2. A concrete aggregate distribution device according to claim 1, wherein: dust absorption head (162) are ring shape and the middle part is the fretwork state, dust absorption head (162) are located discharge gate (150) below, dust absorption head (162) inner wall is followed dust absorption head (162) circumference has inwards seted up dust absorption mouth (180).

3. A concrete aggregate distribution device according to claim 2, wherein: the two sides of the dust collection opening (180) along the vertical direction are provided with guide inclined planes (190) which incline to the dust collection opening (180).

4. A concrete aggregate distribution device according to claim 2, wherein: the bottom surface of dust absorption head (162) is to the one side slope that dust absorption pipe (161) were installed to dust absorption head (162) sets up, one side that dust absorption pipe (161) were installed to dust absorption head (162) is located relative position minimum.

5. A concrete aggregate distribution device according to claim 1, wherein: the collecting box (163) is arranged in a split mode, the collecting box (163) comprises a top cover (1631) and a box body (1632), the top cover (1631) is detachably connected to the box body (1632), an installation cavity is formed in the box body (1632) inwards, a filter hopper (250) is installed in the installation cavity, filter holes (260) are formed in the filter hopper (250), a connecting pipe (170) communicated with the installation cavity is connected to the side wall of the box body (1632), and the other end of the connecting pipe (170) is communicated with the air suction pump (164).

6. A concrete aggregate distribution device according to claim 5, wherein: box (1632) top terminal surface is followed box (1632) circumference has inwards seted up mounting groove (210), top cap (1631) bottom surface is followed top cap (1631) circumference is outwards outstanding to be formed with first bellying (220) and second bellying (230), first bellying (220) are located in second bellying (230), first bellying (220) with mounting groove (210) joint cooperation, first bellying (220) with be formed with between second bellying (230) with box (1632) joint complex joint groove (240).

7. A concrete aggregate distribution device according to claim 6, wherein: a locking piece (290) used for locking the top cover (1631) is arranged outside the box body (1632), the locking piece (290) comprises a locking ring (291), a base (292), a handle (293) and a hook (294), the hook (294) is fixedly connected to the outer peripheral wall of the top cover (1631), the base (292) is installed on the outer wall of the box body (1632), the handle (293) is hinged to the base (292), and two ends of the locking ring (291) are hinged to the handle (293).

8. A concrete aggregate distribution device according to claim 5, wherein: the inner wall of the box body (1632) is connected with a filter tip (270) through a bolt at the communication position of the connecting pipe (170), and filter cotton is installed in the filter tip (270).