CN213349179U

CN213349179U - Concrete mixing plant feed bin

Info

Publication number: CN213349179U
Application number: CN202022068763.3U
Authority: CN
Inventors: 宋天翔; 祝燕军; 石国平
Original assignee: Chengdu Precision Concrete Co ltd
Current assignee: Chengdu Precision Concrete Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-04
Anticipated expiration: 2030-09-19

Abstract

The utility model relates to a concrete mixing plant feed bin, including the feed bin body of feed bin, the upper side of feed bin body be the lower storehouse body of the columniform upper bin body, below for the bucket shape, the discharge gate has been seted up to the bottom of the lower storehouse body, the entry intercommunication of discharge gate and lifting machine. This internal baffle that is provided with of feed bin, the vertical direction slip of edge on the baffle is provided with the ram, and the below of baffle is provided with the reducing mechanism that is used for smashing the powder piece, and the below of reducing mechanism is provided with the screen cloth, is provided with vibrator on the screen cloth. After the blanking operation starts, a driving source of the tamping rod drives the tamping rod to move up and down to smash the powder above, the powder falls from the blanking holes on the partition plate, the crushing device crushes the falling powder to enable the falling powder to fall on the screen below, and the vibrating device is opened to shake the powder on the screen and enable the holes of the screen with the powder holes to fall and fall into the discharge hole. By means of the device, the powder is fully scattered, the blocking of the discharge port by the powder adhesion is effectively avoided, and the smooth discharge of the storage bin is realized.

Description

Concrete mixing plant feed bin

Technical Field

The application relates to the field of concrete preparation equipment, in particular to a concrete mixing plant bin.

Background

The concrete mixing plant mainly comprises 5 major systems such as a mixing host, a material weighing system, a material conveying system, a material storage system, a control system and the like, and other accessory facilities. Wherein the material storage system comprises a plurality of fully-closed steel structure bins for storing different powder materials.

The patent with the publication number of CN205380781U discloses a storehouse is stored to novel powder of concrete mixing plant, it includes the feed bin body, the cang gai, the dust remover, the wear-resisting return bend that is connected with feed bin body discharge gate, establish the dust board in the inside top of feed bin body and establish the supporting legs in feed bin body bottom, install weighing sensor on the supporting leg, this weighing sensor passes through the wire and links to each other with weight display device, the dust board is toper thin wall type structure, the dust board below is provided with the convection hole, cang gai and the tapered cavity of dust board shape, the dust remover passes through pipe and tapered cavity intercommunication, wear-resisting return bend includes the elbow and sets up in the outside casing of elbow, the casing intussuseption is filled with the concrete, elbow internal surface equipartition multichannel bellied cho.

With respect to the related art among the above, there are the following drawbacks: the powder is stacked in large-scale feed bin for a long time, glues each other glutinous under the pressure effect, and caking very easily causes the feed bin unloading inhomogeneous, and the accuracy of concrete batching is influenced easily after one process down to the powder of blocking transports.

SUMMERY OF THE UTILITY MODEL

In order to effectively avoid the powder blocking to export from the feed bin, this application provides a concrete mixing plant feed bin.

The application provides a concrete mixing plant feed bin adopts following technical scheme:

the utility model provides a concrete mixing plant feed bin, includes the feed bin body of feed bin, the discharge gate has been seted up to the bottom of feed bin body, its characterized in that: this internal baffle that is provided with of feed bin, seted up a plurality of blanking holes on the baffle, it is provided with a plurality of vertical ascending tamping bars to slide along vertical direction on the baffle, be provided with on the baffle and be used for driving the gliding driving piece of tamping bar, the baffle bottom sets up and is used for the reducing mechanism that breaks up the powder piece.

Through adopting above-mentioned technical scheme, during the ejection of compact, open the drive arrangement of tamper, the drive tamper is along vertical direction reciprocating sliding, smashes the powder that piles up in the top to pieces, makes the powder piece from the blanking hole whereabouts on the baffle, and powder piece whereabouts in-process is further smashed by reducing mechanism when smashing the device, then discharges from the discharge gate, effectively avoids the powder to pile up the caking in the feed bin and leads to the unloading inhomogeneous, effectively avoids the powder piece to transport the accuracy that influences the concrete batching down after one process down.

Preferably, the crushing device comprises a first motor and a plurality of spiral arms, the first motor is fixedly arranged on the partition plate, the output shaft of the first motor is vertically downward, and the spiral arms are fixedly arranged on the output shaft of the first motor at uniform intervals along the circumferential direction of the output shaft of the first motor and are perpendicular to the output shaft of the first motor.

Through adopting above-mentioned technical scheme, the spiral arm rotates under the drive of first motor, when the powder piece falls down with the spiral arm contact, is smashed by the spiral arm, then falls into the discharge gate, effectively avoids falling down great powder piece and falls into the discharge gate, makes the even ejection of compact of feed bin ability.

Preferably, a screen is arranged below the spiral arm, and a gap is reserved between the screen and the spiral arm.

Through adopting above-mentioned technical scheme, being blocked by the screen cloth when the powder piece falls on the screen cloth, making great powder piece stay on the screen cloth and smashed by the spiral arm, rethread screen cloth falls into the discharge gate, effectively avoids the powder piece to get into the discharge gate.

Preferably, the screen cloth sets up on the inner wall of feed bin body along the circumferential direction of feed bin body, be provided with on the inner wall of feed bin body and be used for ordering about screen cloth reciprocating rotation's vibrator.

Through adopting above-mentioned technical scheme, constantly shake the screen cloth through vibrator, filter the powder on the screen cloth, effectively avoid the powder piece to fall into the feed inlet.

Preferably, vibrator includes second motor, cam and spring, a plurality of recesses have been seted up along self circumference on the inner wall of feed bin body, a plurality of ejector pads that stretch into the recess have set firmly on the screen cloth, the ejector pad sets up in the recess along the circumference slip of feed bin body, the vertical lateral wall in both sides of ejector pad respectively with the first cavity of formation and the second cavity of recess, the second motor sets firmly in first cavity and the output shaft of second motor sets up along vertical direction, the cam sets firmly on the output shaft of second motor, the lateral wall and the ejector pad contact of cam, the spring sets up and is used for ordering about the ejector pad in the second cavity and slides to first cavity, the one end and the inner wall fixed connection of ejector pad fixed connection, the other end and recess of spring.

Through adopting above-mentioned technical scheme, during the blanking, start the second motor and drive the cam and rotate, the cam promotes the ejector pad through the contact surface with the ejector pad and removes to second cavity one side to drive the screen cloth and rotate, after the ejector pad is passed through to the salient point of cam, the spring promotes the ejector pad and moves to first cavity, and the second motor constantly rotates and orders about the screen cloth and constantly do reciprocating rotation, thereby realizes the effect of vibrations.

Preferably, a connecting rod is coaxially and fixedly arranged on an output shaft of the first motor, the connecting rod vertically extends downwards into the discharge port, and double-helix fan blades are arranged at one end, extending into the discharge port, of the connecting rod along the circumferential direction of the connecting rod.

Through adopting above-mentioned technical scheme, the powder falls into the discharge gate after, and first motor passes through the continuous stirring of double helix flabellum, releases the discharge gate with the powder, effectively avoids the discharge gate to block up.

Preferably, the feed bin body is located and is provided with the scraper blade along the circumference slip of feed bin body on the lateral wall of screen cloth below, branch has set firmly on the scraper blade, the one end and the connecting rod fixed connection of branch, the other end and scraper blade fixed connection.

Through adopting above-mentioned technical scheme, first motor passes through the connecting rod and drives the circumferential direction of scraper blade edge feed bin body to scrape the inner wall of feed bin body, effectively avoid the powder to glue on the inner wall, effectively promoted the blanking effect of feed cylinder.

Preferably, the bin body is provided with an opening on the side wall below the screen, and the access hole is provided with a sliding door for opening and closing the opening.

Through adopting above-mentioned technical scheme, when taking place to block up in the feed bin, make things convenient for the staff to look over and clear up, effectively improve staff's work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the storage bin is characterized in that a partition plate is arranged in the storage bin body, a blanking port is formed in the partition plate, and a guide rod for smashing materials is arranged on the partition plate in a sliding mode along the vertical direction, so that powder materials agglomerated due to accumulation in the storage bin are smashed and fallen in time, and the blanking effect of the storage bin is effectively improved;

2. a crushing device is arranged below the partition plate and is used for crushing the falling powder blocks, so that the powder blocks are effectively prevented from falling into a discharge hole in a blocking manner;

3. the screen cloth is arranged below the crushing device, and the vibrating device is arranged on the screen cloth and used for screening falling powder, so that the powder block is effectively prevented from blocking the discharging block.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Figure 2 is a schematic partial cross-sectional view of a cartridge body in an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Reference numeral 1, a bin body; 101. an upper bin body; 102. a lower bin body; 2. a discharge port; 3. a partition plate; 31. a collar; 32. a clamping block; 33. a notch; 34. a blanking hole; 4. a hydraulic cylinder; 41. a bellows; 5. a tamping rod; 6. a crushing device; 61. a first motor; 62. a swing arm; 7. a connecting rod; 8. screening a screen; 9. a vibration device; 91. a push block; 92. a groove; 921. a first chamber; 922. a second chamber; 93. a second motor; 94. a cam; 95. a spring; 10. a squeegee; 11. a strut; 12. a fan blade; 13. an opening; 131. and (5) sliding the door.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses concrete mixing plant feed bin. Referring to fig. 1 and 2, a concrete mixing plant feed bin comprises a feed bin body 1 of the feed bin, an upper cylindrical bin body 101 is arranged above the feed bin body 1, a lower bin body 102 in a bucket shape is arranged below the upper cylindrical bin body, a discharge port 2 is arranged at the bottom of the lower bin body 102, and the discharge port 2 is communicated with an inlet of a hoister. The bin body 1 is internally provided with a clapboard 3, a crushing device 6, a screen 8 and a connecting rod 7 from top to bottom in sequence.

Referring to fig. 2, a circle of clamping rings 31 welded with the inner wall of the upper bin body 101 are horizontally arranged on the inner wall of the upper bin body 101, four clamping blocks 32 are uniformly distributed on the clamping rings 31 along the circumferential direction of the clamping rings, and the clamping blocks 32 are welded on the clamping rings 31. A partition plate 3 is mounted on the clamping ring 31 through bolts, and four notches 33 clamped with the clamping blocks 32 are formed in the partition plate 3. A plurality of blanking holes 34 are formed in the partition plate 3, four hydraulic cylinders 4 are mounted at the bottom of the partition plate 3 through bolts, piston rods of the hydraulic cylinders 4 vertically and upwards penetrate through the partition plate 3, and corrugated pipes 41 sealed with the partition plate 3 are sleeved on the side walls of the piston rods, so that powder materials are effectively prevented from entering the hydraulic cylinders 4. The piston rods of the four hydraulic cylinders 4 are respectively welded with a vertical and upward tamper 5, and the tops of the tamper 5 are conical and used for reducing resistance when the tamper 5 rises. Order about tamp 5 through pneumatic cylinder 4 and smash accumulational powder to pieces, make the powder can fall, glue after effectively avoiding the powder caking and paste unable whereabouts together.

Referring to fig. 2, the bottom wall of the partition 3 is provided with a crushing apparatus 6 including a first motor 61 and four rotating arms 62. The first motor 61 is mounted at the center of the bottom wall of the partition plate 3 through a bolt, and the output shaft of the first motor 61 faces vertically downwards. A vertical connecting rod 7 is welded on an output shaft of the first motor 61, and the connecting rod 7 extends into the discharge hole 2 at the bottom. The four swing arms 62 are welded on the connecting rod 7 and located on the same horizontal plane, the four swing arms 62 are perpendicular to each other, and the projection of the swing arms 62 on the vertical plane and the projection of the hydraulic cylinder 4 on the vertical plane are staggered. The powder block falls down from the clapboard 3 and then contacts with the rotating spiral arm 62 and is crushed, so that the problem that the powder block is large and cannot pass through the screen 8 below is effectively avoided.

Referring to fig. 2, a screen 8 is rotatably disposed below the swing arm 62, a through hole for the connection rod 7 to pass through is formed in the middle of the screen 8, a ring of annular grooves for the rotation of the screen 8 is formed in the inner wall of the bin body 1 along the circumferential direction, and a gap is reserved between the screen 8 and the swing arm 62. After the powder falls on the screen 8, a larger powder block is left on the screen 8 through screening, and the powder block is crushed again by the spiral arm 62, so that the powder block is effectively prevented from falling into the discharge port 2.

Referring to fig. 2 and 3, four sets of vibration devices 9 for vibrating the screen 8 are provided in the annular groove, and the vibration devices 9 include a second motor 93, a cam 94, and a spring 95. Four grooves 92 which are evenly distributed along the annular groove are formed in the annular groove, four push blocks 91 are welded on the screen 8 corresponding to the grooves 92, the push blocks 91 stretch into the grooves 92, and the vertical side walls on two sides of each push block 91 and the grooves 92 form a first cavity 921 and a second cavity 922. The second motor 93 is installed in the first chamber 921 through a bolt, an output shaft of the second motor 93 is vertically arranged upwards, the cam 94 is connected to the output shaft of the second motor 93 through a key, and a side wall of the cam 94 is in contact with a side wall of the push block 91. The spring 95 is installed in the second chamber 922 for pushing the push block 91 to slide towards the first chamber 921, and one end of the spring 95 is welded with the side wall of the push block 91 and the other end is welded with the side wall of the groove 92. When the second motor 93 rotates, the cam 94 is driven to rotate, and the cam 94 firstly pushes the push block 91 to slide towards the second cavity 922 and compresses the spring 95; the spring 95 urges the push block 91 to slide toward the first chamber 921 as the cam 94 rotates past the projection. Along with the rotation of the motor, the push block 91 slides repeatedly in the groove 92 to drive the screen 8 to rotate repeatedly, thereby realizing the vibration effect. Make the powder fall into discharge gate 2 from the hole of screen cloth 8 through vibrations to with the screening of great powder piece, avoid the powder piece to fall into discharge gate 2.

In another embodiment, the vibrating device 9 may be replaced by a vibrator, which is mounted on the screen 8 to vibrate the screen 8.

Referring to fig. 1, the side wall of the lower bin body 102 is provided with an opening 13 for maintenance, the opening 13 is hinged with a sliding door 131 tightly embedded with the opening 13, and when the bin body 1 is blocked, the bin body is convenient for workers to check.

Referring to fig. 2, the inner wall of the lower bin 102 is provided with two scrapers 10 contacting with the inner wall of the lower bin 102 in an inclined manner, the two scrapers 10 are welded to the connecting rod 7 through the supporting rod 11, and the scrapers 10 scrape the inner wall of the lower bin 102 along with the rotation of the connecting rod 7, so that the falling powder is effectively prevented from being adhered to the side wall.

Referring to fig. 2, the one end welding that connecting rod 7 stretched into discharge gate 2 has double-spiral flabellum 12, rotates along with connecting rod 7, and flabellum 12 will fall into the powder of discharge gate 2 and stir, then pushes out discharge gate 2 with the powder, effectively avoids discharge gate 2 to be blockked up.

The implementation principle of the concrete mixing plant bin of the embodiment of the application is as follows: after the unloading work began, the driving source of opening ram 5 drove about ram 5 activity, smashes the powder of top to pieces, and the powder falls from blanking hole 34 on baffle 3, effectively avoids the powder to pile up the unable whereabouts of caking for a long time. Turning on a first driving motor to drive the rotary arm 62 to rotate, wherein the powder block is contacted with the rotary arm 62 in the falling process, and the rotary arm 62 further crushes the powder block to enable the powder block to fall on the screen 8 below; and opening the second motor 93 to drive the screen 8 to start vibrating, screening the powder blocks on the screen 8, and enabling the powder to fall from the holes of the screen 8 and fall into the discharge port 2. The cake of powder remaining on the sieve 8 is crushed again by the radial arm 62 and then falls off the sieve. Triple through ram 5, spiral arm 62 and screen cloth 8 is smashed, fully breaks up the powder piece of adhesion, makes the feed bin ejection of compact more even, effectively avoids the powder blocking to fall into the discharge gate and transports one process down, influences the material ratio.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete mixing plant feed bin, includes feed bin body (1) of feed bin, discharge gate (2), its characterized in that have been seted up to the bottom of feed bin body (1): be provided with baffle (3) in feed bin body (1), a plurality of blanking holes (34) have been seted up on baffle (3), it is provided with a plurality of vertical ascending tamping bars (5) to slide along vertical direction on baffle (3), be provided with on baffle (3) and be used for driving the gliding driving piece of tamping bar (5), baffle (3) bottom set up with be used for smashing powder piece reducing mechanism (6).

2. The concrete mixing plant silo of claim 1, wherein: the smashing device (6) comprises a first motor (61) and a plurality of rotating arms (62), wherein the first motor (61) is fixedly arranged on the partition plate (3) and an output shaft is vertically downward, and the plurality of rotating arms (62) are fixedly arranged on the output shaft of the first motor (61) at uniform intervals along the circumferential direction of the output shaft of the first motor (61) and are perpendicular to the output shaft of the first motor (61).

3. The concrete mixing plant silo of claim 2, wherein: a screen (8) is arranged below the swing arm (62), and a gap is reserved between the screen (8) and the swing arm (62).

4. The concrete mixing plant silo of claim 3, wherein: the circumference of feed bin body (1) is followed in screen cloth (8) and is set up on the inner wall of feed bin body (1), be provided with on the inner wall of feed bin body (1) and be used for ordering about screen cloth (8) vibrations device (9) that rotate repeatedly.

5. The concrete mixing plant silo of claim 4, wherein: the vibrating device (9) comprises a second motor (93), a cam (94) and a spring (95), a plurality of grooves (92) are formed in the inner wall of the bin body (1) along the circumferential direction of the inner wall, a plurality of push blocks (91) extending into the grooves (92) are fixedly arranged on the screen (8), the push blocks (91) are arranged in the grooves (92) along the circumferential sliding direction of the bin body (1), the vertical side walls of the two sides of the push blocks (91) are respectively in contact with first cavities (921) and second cavities (922) formed by the grooves (92), the second motor (93) is fixedly arranged in the first cavities (921) and the output shaft of the second motor (93) is arranged along the vertical direction, the cam (94) is fixedly arranged on the output shaft of the second motor (93), the side wall of the cam (94) is in contact with the push blocks (91), and the spring (95) is arranged in the second cavities (922) and used for driving the push blocks (91) to slide towards the first cavities (921), one end of the spring (95) is fixedly connected with the push block (91), and the other end of the spring is fixedly connected with the inner wall of the groove (92).

6. The concrete mixing plant silo of claim 5, wherein: the coaxial connecting rod (7) that has set firmly on the output shaft of first motor (61), vertical downwardly extending into discharge gate (2) of connecting rod (7), the one end that connecting rod (7) stretched into discharge gate (2) is provided with flabellum (12) that are used for stirring the powder along the circumference of connecting rod (7).

7. The concrete mixing plant silo of claim 6, wherein: feed bin body (1) is located and is provided with scraper blade (10) along the circumference slip of feed bin body (1) on the lateral wall of screen cloth (8) below, branch (11) have set firmly on scraper blade (10), the one end and connecting rod (7) fixed connection, the other end and scraper blade (10) fixed connection of branch (11).

8. The concrete mixing plant silo of claim 7, wherein: the feed bin is characterized in that an opening (13) is formed in the side wall, located below the screen (8), of the feed bin body (1), and a sliding door (131) used for opening and closing the opening (13) is arranged on the opening (13).