1. The utility model provides a high-efficient concrete mixing plant which characterized in that: including scaffold frame (1), mixer (2), store and fight (3) and transition fill (4), mixer (2) store fight (3) and transition fill (4) top-down sets up in scaffold frame (1), store and fight (3) upper end opening and be located mixer (2) lower extreme bin outlet under, it extends inside transition fill (4) to store fill (3) lower extreme opening, it is provided with and is used for the switching to store and fight (3) lower extreme open-ended row of arranging material control mechanism to store fill (3).

2. The high efficiency concrete mixing plant of claim 1, wherein: the discharging control mechanism comprises two groups of bottom hoppers (7), and each bottom hopper (7) comprises an arc-shaped baffle (72) and side plates (71) fixed on two sides of the arc-shaped baffle (72); curb plate (71) of cowl (72) both sides rotate respectively to be connected in storing two lateral walls of fighting (3), it is provided with the driving piece that orders about one of them set of end fill (7) luffing motion to store to fight (3), two be provided with link gear between end fill (7), link gear orders about two sets of end fill (7) and is close to each other or keep away from each other.

3. The high efficiency concrete mixing plant of claim 1, wherein: the inner diameter of the lower end opening of the transition hopper (4) is smaller than that of the lower end opening of the storage hopper (3).

4. The high efficiency concrete mixing plant of claim 2, wherein: the inner wall of the transition bucket (4) is connected with two elastic scraping strips (8) in a sliding mode, the elastic scraping strips (8) are attached to the inner wall of the transition bucket (4) to move up and down, the two elastic scraping strips (8) extend along the circumferential direction of the inner wall of the transition bucket (4), and the elastic scraping strips (8) are arranged towards one end of an upper end opening of the transition bucket (4) in a sharp mode; two elasticity is scraped strip (8) and is all provided with connecting rod (821), connecting rod (821) extend towards transition fill (4) upper end opening direction.

5. A high efficiency concrete mixing plant according to claim 4, characterized in that said elastic scraping strip (8) comprises a cleaning portion (81), said cleaning portion (81) being in abutment against the inner wall of the transition hopper (4).

6. The high efficiency concrete mixing plant of claim 4, wherein: the elastic scraping strip (8) further comprises a flow guide part (82), the flow guide part (82) of the elastic scraping strip (8) is obliquely arranged, and the oblique upper end of the flow guide part (82) is in smooth transition with the inner wall of the transition bucket (4).

7. The high efficiency concrete mixing plant of claim 4, wherein: two guide blocks (41) are arranged on the inner wall of the transition hopper (4), the two connecting rods (821) correspond to the two guide blocks (41) one by one, and the two connecting rods (821) penetrate through the corresponding guide blocks (41) towards the opening direction of the upper end of the transition hopper (4) respectively; a stop block (822) is fixed on the outer wall of the connecting rod (821), and an elastic piece is fixed between the guide block (41) and the stop block (822).

8. The high efficiency concrete mixing plant of claim 7, wherein: the outer convex surface of the arc-shaped baffle (72) is hinged with a driving block (721) corresponding to a stop block (822), the hinged shaft of the driving block (721) is parallel to the rotating shaft of the side plate (71), the outer convex surface of the arc-shaped baffle (72) is provided with a supporting block (722), the supporting block (722) is positioned at the lower side of the driving block (721) and is abutted against the lower side of the driving block (721), and the stop block (822) is positioned in the swinging path corresponding to the driving block (721); when the arc-shaped baffle (72) opens the lower end opening of the storage hopper (3), the upper side of the driving block (721) is abutted against the lower side of the stop block (822) and drives the stop block (822) to move upwards; when the driving block (721) is separated from the stopper (822), the stopper (822) moves downward by the elastic force of the elastic member.

Background

The concrete mixing plant is also called a concrete prefabricating field and is commonly used for projects with large concrete construction amount and long construction period, a mixer of the concrete mixing plant is generally erected by a support frame, a discharge port of the mixer is arranged downwards, a transport vehicle is moved to the position right below the mixer, and then the mixed concrete is discharged into a container of the transport vehicle.

In summary, during the process of loading materials into the container of the transport vehicle, the phenomenon of dust scattering is obvious, and the air quality of a construction site is affected, so that the improvement space is still provided.

Disclosure of Invention

The invention provides a high-efficiency concrete mixing plant in order to reduce the scattering of dust during charging.

The invention provides a high-efficiency concrete mixing plant which adopts the following technical scheme:

the utility model provides a high-efficient concrete mixing plant, includes scaffold frame, mixer, storage fill and transition fill, the mixer the storage fill and transition fill top-down sets up in the scaffold frame, the storage is fought the upper end opening and is located under the mixer lower extreme bin outlet, the storage is fought the lower extreme opening and is extended transition and fight inside, the storage is fought and is provided with and is used for the switching to store and fight lower extreme open-ended row material control mechanism.

Through adopting above-mentioned technical scheme, make concrete after the mixer stirring can arrange to store in the storage fill of mixer below, when need pack the concrete into the container of transport vechicle in, arrange material control mechanism and open and store fill lower extreme opening, the concrete is fought lower extreme opening discharge from the storage and is fought to the transition in, the transition is fought the lateral wall and is separated the fender protective screen in the formation of storage fill lower extreme opening, can carry out the separation to the dust that the dust drifted away, be favorable to improving the raise dust problem that produces when feeding, because the uncovered setting in transition fill upper end, can keep transition fill internal pressure and atmospheric pressure keep balance, be favorable to improving the unloading speed of concrete.

Preferably, the discharging control mechanism comprises two groups of bottom hoppers, and each bottom hopper comprises an arc-shaped baffle and side plates fixed on two sides of the arc-shaped baffle; the curb plate of cowl both sides rotates respectively to be connected in two lateral walls of storage fill, the storage fill is provided with the driving piece that orders about one of them group end fill luffing motion, two be provided with link gear between the end fill, link gear orders about two sets of end fill and is close to each other or keep away from each other.

Through adopting above-mentioned technical scheme, under the drive of driving piece and link gear's linkage effect, two sets of end fill are close to each other or are kept away from each other to realize storing the open-ended logical of fighting lower extreme and close, be favorable to improving and store and fight row material speed.

Preferably, the inner diameter of the lower end opening of the transition hopper is smaller than the inner diameter of the lower end opening of the storage hopper.

Through adopting above-mentioned technical scheme for when storing the unloading of fighting toward the transport vechicle container in, the concrete can slide along transition fill inner wall, and transition fill inner wall plays the cushioning effect, is favorable to reducing the impaired condition of container.

Preferably, the inner wall of the transition bucket is connected with two elastic scraping strips in a sliding manner, the elastic scraping strips are attached to the inner wall of the transition bucket to move up and down, the two elastic scraping strips extend along the circumferential direction of the inner wall of the transition bucket, and the elastic scraping strips are arranged in a sharp manner towards one end of an opening at the upper end of the transition bucket; two the elasticity is scraped the strip and is all provided with the connecting rod, the connecting rod extends towards transition fill upper end opening direction.

Because the transition is fought and is used for a long time, the edge bonds the concrete easily in the lower extreme opening of transition fill, makes the transition fill lower extreme opening narrow, influences the unloading speed of concrete to come the laminating of drive elasticity scraping strip in transition fill inner wall through the removal connecting rod and reciprocate, the most advanced of the elasticity scraping strip of being convenient for strikes off the concrete that bonds at the transition fill inner wall.

Preferably, the elastic scraping strip comprises a cleaning part, and the cleaning part is abutted against the inner wall of the transition bucket.

Through adopting above-mentioned technical scheme for the clearance portion at elasticity scraping strip carries out the flat grinding to transition fill inner wall at the removal in-process, is favorable to cleaing away and coheres the less concrete grain of granule in transition fill inner wall.

Preferably, the elastic scraping strip further comprises a flow guide part, the flow guide part of the elastic scraping strip is obliquely arranged, and the oblique upper end of the flow guide part is in smooth transition with the inner wall of the transition bucket.

By adopting the technical scheme, in the normal blanking process, the concrete can flow along the transition bucket inner wall and the flow guide surface of the elastic scraping strip, so that the influence of the elastic scraping strip on the sliding of the concrete is reduced, and the situation that the concrete is hoarded at the flow guide part of the elastic scraping strip is favorably improved.

Preferably, the inner wall of the transition hopper is provided with two guide blocks, the two connecting rods correspond to the two guide blocks one by one, and the two connecting rods respectively penetrate through the corresponding guide blocks towards the opening direction of the upper end of the transition hopper; the outer wall of the connecting rod is fixed with a stop block, and an elastic part is fixed between the guide block and the stop block.

Through adopting above-mentioned technical scheme to see through the rebound connecting block, make the distance between dog and the guide block compressed, then release the connecting rod, under the spring action of spring, dog, connecting rod and elasticity scrape the strip and move down together, and make the impact to the concrete that bonds at transition fill lower extreme opening part, be favorable to cleaing away the firm concrete that bonds.

Preferably, the outer convex surface of the arc-shaped baffle is hinged with a driving block corresponding to the stop block, a hinged shaft of the driving block is parallel to a rotating shaft of the side plate, the outer convex surface of the arc-shaped baffle is provided with a supporting block, the supporting block is positioned at the lower side of the driving block and is abutted against the lower side of the driving block, and the stop block is positioned in a swinging path corresponding to the driving block; when the arc-shaped baffle plate opens the opening at the lower end of the storage hopper, the upper side of the driving block is abutted against the lower side of the stop block and drives the stop block to move upwards; when the driving block is separated from the stopper, the stopper moves downward under the elastic force of the elastic member.

By adopting the technical scheme, the bottom hopper drives the driving block piece to force the stop block to move upwards when the lower section opening of the storage hopper is opened each time, and when the stop block is separated from the driving block, the elastic scraping strip is forced to scrape and clean the concrete on the inner wall of the lower end opening of the transition hopper under the action of the elastic force of the elastic piece, so that manual operation is not needed, the cleaning frequency is consistent with the blanking frequency, the concrete is conveniently cleaned in time, and the concrete solidification condition is reduced; because the driving block is hinged to the outer wall of the transition hopper, when the arc-shaped baffle plate seals the opening at the lower end of the transition hopper, the driving block moves downwards, and in the moving process, because the stop block is in the moving path of the driving block, the driving block is in contact with the upper side of the stop block and turns upwards, and the reset is realized by bypassing the stop block.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency concrete mixing plant according to an embodiment of the present invention.

FIG. 2 is a schematic view of a lower end block of a transition hopper in a high-efficiency concrete mixing plant according to an embodiment of the invention when the lower end block is closed.

FIG. 3 is a schematic view of the lower end block of the transition hopper in the high-efficiency concrete mixing plant according to the embodiment of the invention when the lower end block is opened.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Description of reference numerals: 1. a scaffold; 2. a blender; 21. a mineral powder hopper; 22. a sandstone weighing hopper; 23. a cement weighing hopper; 24. weighing the additive; 25. weighing a hopper by using clear water; 3. a storage hopper; 4. a transition hopper; 41. a guide block; 42. a second chute; 5. a mounting frame; 51. a vertical rod; 52. a grid plate; 6. a discharge cylinder; 7. a bottom hopper; 71. a side plate; 72. an arc-shaped baffle plate; 721. a drive block; 722. a support block; 8. elastic scraping strips; 81. a cleaning part; 811. a first chute; 82. a flow guide part; 821. a connecting rod; 822. a stopper; 823. a spring; 83. a connecting member; 831. a round bar; 832. a ball; 9. a cylinder; 10. a gear.

Detailed Description

The invention is described in further detail below with reference to figures 1-4.

The embodiment of the invention discloses an efficient concrete mixing plant. Referring to fig. 1, a high efficiency concrete mixing plant includes a scaffold 1, a mixer 2, a storage hopper 3, and a transition hopper 4. Two sets of horizontal framves 11 of scaffold 1 internal fixation, two sets of horizontal framves 11 distribute along 1 direction of height of scaffold, and divide into upper, middle, lower three-layer installation region with scaffold 1, mixer 2 is fixed in the medial installation region of scaffold 1, the installation is fixed with mineral powder fill 21 in the installation region on scaffold 1 upper strata, grit scale 22, cement scale 23, admixture scale 24 and clear water scale 25, mineral powder fill 21, grit scale 22, cement scale 23, admixture scale 24 and clear water scale 25 all connect in mixer 2 upper end through the connecting pipe.

The bucket 3 is located in the installation area of the lower floor of the scaffold 1. The storage hopper 3 is fixed on the lower end face of the horizontal frame 11, the opening of the upper end of the storage hopper 3 is positioned right below the discharge port of the mixer 2, and the storage hopper 3 is used for receiving and storing concrete which is mixed by the mixer 2.

The upper part of the storage bucket 3 is in an inverted frustum pyramid shape, and the lower part is in a prism shape. The lower part of the storage bucket 3 is provided with a discharging control mechanism for controlling the opening and closing of the lower end opening of the storage bucket 3.

Referring to fig. 1 and 2, the discharge control mechanism includes two sets of bottom hoppers 7, and each bottom hopper 7 includes an arc-shaped baffle 72 and side plates 71 fixed to both sides of the arc-shaped baffle 72. The end parts of the side plates 71 at the two sides of the arc-shaped baffle plate 72 are respectively and rotatably connected to the two outer side walls of the storage hopper 3, and the rotating shaft of the side plates 71 is the rotating shaft of the bottom hopper 7. Store 3 outer walls of fighting and install the driving piece, the driving piece specifically is cylinder 9, and the cylinder body bottom of cylinder 9 articulates in storing 3 upper portion outer walls of fighting, and the piston rod tip of cylinder 9 articulates in the upper end of one of them set of cowl 72, can order about end fill 7 through cylinder 9 is flexible and carry out the luffing motion around self pivot.

Referring to fig. 2 and 3, a linkage mechanism is arranged between the two bottom hoppers 7, the linkage mechanism comprises two gears 10 which are meshed with each other, the two gears 10 are respectively and fixedly connected to the rotating shafts of the two bottom hoppers 7 in a coaxial mode, under the driving of the air cylinder 9 and under the linkage action of the gears 10, the two bottom hoppers 7 can move close to or away from each other, when the two arc-shaped baffle plates 72 swing to the lower portion of the storage hopper 3, the inner concave surface of one arc-shaped baffle plate 72 abuts against the outer convex surface of the other arc-shaped baffle plate 72, so that the two arc-shaped baffle plates 72 jointly seal the lower end opening of the storage hopper 3, and the purpose of rapidly opening and closing the lower end opening of the storage hopper 3 is achieved.

Referring to fig. 1, a mounting frame 5 is arranged in a lower-layer mounting area of a scaffold 1, the mounting frame 5 includes a grid plate 52 horizontally arranged and four vertical rods 51 vertically fixed to the upper end surface of the grid plate 52, the four vertical rods 51 are respectively arranged at four corners of the grid plate 52, one ends of the four vertical rods 51 far away from the grid plate 52 are fixed to the lower end surface of a horizontal frame 11, and the grid plate 52 is suspended under a storage hopper 3 under the connection of the vertical rods 51. The transition hopper 4 is in the shape of an inverted circular truncated cone, and the transition hopper 4 penetrates through the middle of the grid plate 52 in the vertical direction and is fixedly connected with the grid plate 52. The lower end opening of the transition hopper 4 is communicated and fixed with a discharge cylinder 6, and the axis of the discharge cylinder 6 is superposed with the axis of the transition hopper 4. Transition fill 4 is located and stores under fighting 3, and the lower extreme opening that stores fighting 3 extends to transition and fights in 4, and transition is fought 4 and is separated the fender protective screen in the periphery formation of storing fighting 3 lower extreme to play the effect of dustproof. The lower extreme open-ended internal diameter of transition fill 4 is less than the internal diameter of storage fill 3 lower extreme open-ended, and when storage fill 3 toward the transport vechicle container internal diameter of feeding, the concrete slides along transition fill 4 inner walls, and transition fill 4 plays the cushioning effect, the impaired condition of reducible container.

Referring to fig. 2 and 3, two elastic scraping strips 8 are connected to the inner wall of the transition bucket 4 in a sliding manner, and the elastic scraping strips 8 can deform under stress. The elastic scraping strip 8 extends along the circumferential direction of the inner wall of the transition bucket 4. Elastic scraping strip 8 is towards the sharp-pointed setting of 4 upper end open-ended one ends of transition fill, scrapes the strip through removing, makes the strip of scraping slide along the generating line direction of 4 inner walls of transition fill, can strike off the adhesion at the concrete of 4 inner walls of transition fill.

Referring to fig. 2 and 3, the elastic scraping strip 8 includes a cleaning portion 81 and a flow guiding portion 82, the cleaning portion 81 has a rough surface, the cleaning portion 81 of the elastic scraping strip 8 abuts against the inner wall of the transition bucket 4, the flow guiding portion 82 of the elastic scraping strip 8 is obliquely arranged, and the oblique upper end of the flow guiding portion 82 is in smooth transition with the inner wall of the transition bucket 4, so as to improve the accumulation condition of concrete at the flow guiding portion 82 of the elastic scraping strip 8.

Referring to fig. 2 and 3, a connecting rod 821 is fixed in the middle of the elastic scraping strip 8, the connecting rod 821 extends towards the opening direction of the upper end of the transition bucket 4, and the length direction of the connecting rod 821 is parallel to the generatrix direction of the inner wall of the transition bucket 4. Two guide blocks 41 are fixed on the inner wall of the transition bucket 4, the guide blocks 41 are close to the opening at the upper end of the transition bucket 4, two connecting rods 821 are in one-to-one correspondence with the two guide blocks 41, and the two connecting rods 821 penetrate through the corresponding guide blocks 41 respectively. A stopper 822 is fixed to the outer wall of the connecting rod 821. An elastic part is fixed between the lower side of the guide block 41 and the upper side of the stop 822, the elastic part is specifically a spring 823, and when the elastic scraping strip 8 is located at the lower end opening of the transition bucket 4, the spring 823 provides a pulling force for the stop 822 so as to maintain the stability of the elastic scraping strip 8 at the lower end opening of the transition bucket 4. When two elasticity scrapes strip 8 and all remove 4 lower extreme openings of transition fill, two elasticity scrapes strip 8 and encloses into a ring that encircles 4 lower extreme opening inner walls of transition fill to make elasticity scrape strip 8 cover the inboard edge of 4 lower extreme openings of transition fill, be favorable to improving and strike off the effect to the concrete.

Referring to fig. 2 and 3, the outer convex surface of the arc-shaped baffle 72 is hinged with a driving block 721 corresponding to the stop 822, the hinged shaft of the driving block 721 is parallel to the rotating shaft of the side plate 71, a supporting block 722 is fixed on the outer convex surface of the arc-shaped baffle 72, the supporting block 722 is positioned at the lower side of the driving block 721 and is abutted against the lower side of the driving block 721, so that a supporting force towards the opening direction of the upper end of the transition bucket 4 is provided for the driving block 721, and the driving block 721 is kept stable under the action of self gravity, that is, the state that the extension line of the driving block 721 in the length direction is perpendicular to. The driving block 721 swings along with the swing of the arc baffle 72, and the stopper 822 is located on the swing path corresponding to the driving block 721, when the arc baffle 72 opens the opening at the lower end of the storage bucket 3, the upper side of the driving block 721 abuts against the lower side of the stopper 822, and forces the stopper 822, the connecting rod 821 and the elastic scraping strip 8 to move upwards together, and forces the spring 823 to compress, when the driving block 721 continues to swing upwards and gradually gets away from the inner wall of the transition bucket 4, the driving block 721 is separated from the stopper 822, at this time, under the elastic force of the spring 823, the stopper 822, the connecting rod 821 and the elastic scraping strip 8 move downwards together, and impact is made on the concrete adhered at the opening at the lower end of the transition bucket 4, which is beneficial to removing the firmly adhered concrete.

Referring to fig. 2 and 3, since the driving block 721 is hinged to the outer wall of the transition bucket 4, when the arc-shaped baffle 72 closes the lower opening of the transition bucket 4, the driving block 721 moves downwards, and during the moving process, since the stopper 822 is in the moving path of the driving block 721, the driving block 721 contacts with the upper side of the stopper 822 and turns upwards, so that the resetting is realized by bypassing the stopper 822.

Referring to fig. 3 and 4, the elastic scraping strip 8 is provided with a first sliding groove 811 towards one side of the inner wall of the transition bucket 4, the first sliding groove 811 extends along the length direction of the elastic scraping strip 8, the inner wall of the transition bucket 4 is provided with four second sliding grooves 42, the second sliding grooves 42 extend along the bus direction of the transition bucket 4, one elastic scraping strip 8 corresponds to two second sliding grooves 42, and the two second sliding grooves 42 are respectively arranged on two sides of the connecting rod 821. All be provided with connecting piece 83 between the first spout 811 of strip 8 is scraped to two second spouts 42 and the elasticity that corresponds, and connecting piece 83 includes round bar 831 and is fixed in the ball 832 at round bar 831 both ends, and two balls 832 slide the joint respectively in first spout 811 and second spout 42 to make strip 8 is scraped in the slip in-process and laminate all the time in transition fill 4 inner walls, be favorable to improving the effect of scraping of strip 8 is scraped to elasticity.

The implementation principle of the high-efficiency concrete mixing plant provided by the embodiment of the invention is as follows:

when concrete is produced, mineral powder, gravel, cement, additives and clear water are respectively loaded into corresponding weighing hoppers to be weighed, after the standard proportion is achieved, the mineral powder, the gravel, the cement, the additives and the clear water are led into a stirring machine 2 to be stirred together, the concrete after being stirred by the stirring machine 2 is discharged from a discharge opening of the stirring machine 2, the concrete enters a storage hopper 3 from an upper opening of the storage hopper 3 to be stored, when the storage hopper 3 is discharged, under the condition of transmission of an air cylinder 9 and a gear 10, a bottom hopper 7 opens a lower opening of the storage hopper 3, the concrete is discharged from the lower opening of the storage hopper 3 and slides along the inner peripheral wall of a transition hopper 4, and then the concrete is discharged into a container through a discharge cylinder 6, dust flying by a transition hopper 45 plays a role in blocking, is beneficial to improving the problem of dust raising, plays a role in buffering transition, and reduces the damage efficiency of the container.

When the bottom hopper 7 opens the lower opening of the storage hopper 3, the driving block 721 swings along with the swing of the arc baffle 72, because the stopper 822 is located on the swing path corresponding to the driving block 721, when the arc baffle 72 opens the lower opening of the storage hopper 3, the upper side of the driving block 721 abuts against the lower side of the connecting block, and forces the stopper 822, the connecting rod 821 and the elastic scraping strip 8 to move upwards together, and forces the spring 823 to compress simultaneously, when the driving block 721 continues swinging upwards and gradually moves away from the inner wall of the transition hopper 4, the driving block 721 is separated from the stopper 822, at this time, under the elastic force of the spring 823, the stopper 822, the connecting rod 821 and the elastic scraping strip 8 move downwards together, and impact the concrete adhered to the lower opening of the transition hopper 4, which is beneficial to removing the firmly adhered concrete.

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