CN220945991U - Automatic proportioning and feeding device for concrete - Google Patents

Abstract

The utility model discloses an automatic concrete proportioning and feeding device which comprises a mixing box, wherein a feeding hopper is symmetrically arranged at the top of the mixing box, a discharging pipe is arranged at the bottom of the outer side of the mixing box, a stirring motor is arranged at the bottom of the mixing box, the input end of the stirring motor is electrically connected with the output end of an external power supply, the top of the stirring motor is connected with a stirring shaft through a rotating shaft, stirring blades are uniformly arranged at the outer side of the stirring shaft, a quantitative proportioning mechanism is arranged in the feeding hopper, and is arranged.

Description

Automatic proportioning and feeding device for concrete

Technical Field

The utility model relates to the technical field of concrete production, in particular to an automatic proportioning and feeding device for concrete.

Background

Concrete (Dan Shi) is a general name of a composite material formed by configuring gel materials, aggregate and water according to a proper proportion and hardening for a certain time, is an artificial civil construction material with the largest use amount in the world, is classified according to purposes, and can be classified into structural concrete, large-volume concrete, waterproof concrete, heat-resistant concrete, expansion concrete, radiation-proof concrete, road concrete and the like, and has high hardness, wide raw material sources and low cost, and is widely used in buildings, roads, military projects, nuclear power plants and other structures.

However, the existing concrete material proportioning is mostly carried out manually, and generally, workers generally add materials according to feeling and experience, so that the condition that the materials are not added later is often caused because the material proportion is not added later, the stirring of concrete is affected, and meanwhile, because different people have different professional qualities, the quality of the proportioned concrete is uneven, and the construction is not beneficial to use.

Disclosure of utility model

The utility model provides an automatic proportioning and feeding device for concrete, which can effectively solve the problems that in the prior art, the existing proportioning of concrete materials is mostly carried out manually, and generally, workers generally add materials according to feeling and experience, so that the condition that the subsequent materials are needed to be added is often caused by the fact that the proportion of the materials is not equal to that of the materials, the stirring of the concrete is affected, and meanwhile, the proportioned concrete has uneven quality due to different professional quality of different people, and the use of building construction is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic proportioning and feeding device for concrete comprises a mixing box, wherein a feeding hopper is symmetrically arranged at the top of the mixing box, a discharging pipe is arranged at the bottom of the outer side of the mixing box, a stirring motor is arranged at the bottom of the mixing box, the input end of the stirring motor is electrically connected with the output end of an external power supply, the top of the stirring motor is connected with a stirring shaft through a rotating shaft, stirring blades are uniformly arranged at the outer side of the stirring shaft, and a quantitative proportioning mechanism is arranged in the feeding hopper;

The quantitative proportioning mechanism comprises a water storage tank, a transparent window, scale marks, a water pump, a water spray pipe, a spray head, a disc, a circular ring, a supporting plate, a pressure sensor, a pressure receiving plate, a lug and an L-shaped rod;

The utility model discloses a water pump, including mixing box, water storage tank, backup pad, pressure sensor, lug, L type pole, nozzle, connecting rod symmetry, the storage tank is installed to mixing box one side, the transparent window is installed to storage tank one side, the scale mark has been seted up to transparent window limit portion, the water pump is installed at the storage tank top, the input of water pump and external power source's output electric connection, the spray pipe is installed at the outside top of feeder hopper, the spray pipe inboard corresponds the inside position department of feeder hopper evenly installs the shower nozzle, the inside top central point department of mixing box rotates through the pivot and is connected with the disc, the disc outside is connected with the ring through the connecting rod, the ring outside is connected with the backup pad through the connecting rod symmetry, backup pad internally mounted has pressure sensor, the pressure sensor top is installed the receptor plate, the lug is installed to the backup pad tip, the inside top corresponds lug position department symmetry and installs L type pole.

Preferably, supporting legs are arranged on the periphery of the bottom of the mixing box, a display screen is arranged in the middle of one side of the feeding hopper, a signal output end of the pressure sensor is connected with a signal input end of the display screen, a discharge valve is arranged in the middle of the discharge pipe, and an arc scraping plate is uniformly arranged at the bottom of the outer side of the mixing shaft.

Preferably, the top of the water pump is connected with the water spraying pipe through a pipeline, a baffle is arranged at the top of the feed hopper corresponding to the position of the spray head, and the inner side surface of the support plate is tightly attached to the outer side surface of the pressure receiving plate.

Preferably, a transmission mechanism is arranged at the top of the mixing box, and comprises a transmission gear, a driving motor, a driving shaft, a driving gear, a cam, a fixed rod, an L-shaped rotating rod, a roller, a push rod, a mounting block, a reset spring and a fixed block;

The disc top is connected with drive gear through the pivot through the mixing box, driving motor is installed to mixing box top one side, driving motor's input and external power source's output electric connection, mixing box top corresponds driving motor one side position department and rotates installs the drive shaft, driving motor and drive shaft top all are connected with drive gear through the pivot, drive shaft outside mid-mounting has the cam, mixing box top corresponds drive shaft one side position department and installs the dead lever, the rotation of dead lever outside top is connected with L type bull stick, L type bull stick middle part corresponds cam position department and installs the gyro wheel, L type bull stick tip articulates there is the push rod, L type bull stick one end corresponds dead lever position department and installs the installation piece, reset spring is installed to installation piece one side, mixing box top corresponds reset spring end position department and installs the dead lever.

Preferably, the transmission gear is provided with eight tooth protrusions on the outer side, two marking blocks are symmetrically arranged on the top of the transmission gear, one tooth protrusion of the transmission gear is abutted against the end part of the push rod, and the two driving gears are meshed with each other.

Preferably, the cam lateral surface is mutually attached with the roller lateral surface, and a limiting block is arranged at the position of the outer end part of the L-shaped rotating rod corresponding to the push rod.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. When the quantitative proportioning mechanism is arranged, sand and cement are respectively poured into the feed hopper, the sand and cement exert pressure on the pressure receiving plate, the pressure sensor 710 at the bottom of the pressure receiving plate 711 transmits weight data of the sand and cement to the display screen, so that staff can observe the quality of the sand and cement conveniently, the sand and cement can be conveniently fed according to the required proportioning ratio, the actual quality of the sand and cement is consistent with the required added quantity, and the proportioning accuracy of the sand and cement is improved;

The water is pumped out of the water storage tank through the water pump, enters the water spraying pipe through the water pipe, is sprayed out of the spray nozzle, and is convenient for workers to control the water adding amount through the effect of the transparent window and the scale marks, meanwhile, the residual cement and sand stone on the inner wall of the feed hopper can be flushed into the mixing box, the accuracy of concrete proportioning is improved, and the quality of concrete is guaranteed.

2. The automatic sand and cement mixing device is provided with a transmission mechanism, the driving gear is driven to rotate by the driving motor, the driving gear drives the cam to rotate, the cam drives the L-shaped rotating rod to deflect, the push rod conveniently pushes the transmission gear to rotate, the transmission gear drives the supporting plate to rotate, sand and cement simultaneously fall into the mixing box from the feeding hopper, the simultaneous pouring of the sand and cement is realized, and the automatic synchronous same-quantity batching is completed;

Meanwhile, the L-shaped rotating rod periodically rotates under the action of the cam and the reset spring, so that the periodic rotation of the transmission gear is realized, the rotating angle of the transmission gear is fixed every time, and as the transmission gear is provided with eight convex teeth, the transmission gear rotates 45 degrees when the cam rotates for one circle, and when the end part of the push rod is positioned at the convex tooth position with the marking block and does not push the transmission gear, the support plate completely seals the bottom of the feed hopper, thereby realizing the accurate positioning of the support plate and avoiding affecting ingredients.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of the quantitative proportioning mechanism of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the feed hopper of the present utility model;

FIG. 4 is a schematic diagram of the transmission mechanism of the present utility model;

Reference numerals in the drawings: 1. a mixing box; 2. a feed hopper; 3. a discharge pipe; 4. a stirring motor; 5. a stirring shaft; 6. stirring the leaves;

7. a quantitative proportioning mechanism; 701. a water storage tank; 702. a transparent window; 703. scale marks; 704. a water pump; 705. a water spray pipe; 706. a spray head; 707. a disc; 708. a circular ring; 709. a support plate; 710. a pressure sensor; 711. a pressure receiving plate; 712. a bump; 713. an L-shaped rod;

8. a transmission mechanism; 801. a transmission gear; 802. a driving motor; 803. a drive shaft; 804. a drive gear; 805. a cam; 806. a fixed rod; 807. an L-shaped rotating rod; 808. a roller; 809. a push rod; 810. a mounting block; 811. a return spring; 812. and a fixed block.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the utility model provides a technical scheme, an automatic concrete proportioning and feeding device, which comprises a mixing box 1, wherein supporting legs are arranged around the bottom of the mixing box 1, a display screen is arranged in the middle of one side of a feeding hopper 2, the signal output end of a pressure sensor 710 is connected with the signal input end of the display screen, a discharge valve is arranged in the middle of a discharge pipe 3, an arc-shaped scraping plate is uniformly arranged at the bottom of the outer side of a stirring shaft 5, discharging is convenient, the top of the mixing box 1 is symmetrically provided with the feeding hopper 2, the bottom of the outer side of the mixing box 1 is provided with the discharge pipe 3, the bottom of the mixing box 1 is provided with a stirring motor 4, the input end of the stirring motor 4 is electrically connected with the output end of an external power supply, the top of the stirring motor 4 is connected with the stirring shaft 5 through a rotating shaft, stirring blades 6 are uniformly arranged at the outer side of the stirring shaft 5, and a quantitative proportioning mechanism 7 is arranged in the feeding hopper 2;

The quantitative proportioning mechanism 7 comprises a water storage tank 701, a transparent window 702, scale marks 703, a water pump 704, a water spray pipe 705, a spray head 706, a disc 707, a circular ring 708, a support plate 709, a pressure sensor 710, a pressure receiving plate 711, a convex block 712 and an L-shaped rod 713;

The water storage tank 701 is installed on one side of the mixing box 1, the transparent window 702 is installed on one side of the water storage tank 701, the scale mark 703 is formed in the edge of the transparent window 702, the water pump 704 is installed at the top of the water storage tank 701, the top of the water pump 704 is connected with the spray pipe 705 through a pipeline, the baffle is installed at the position of the top of the feed hopper 2 corresponding to the spray head 706, the damage to the spray head 706 during feeding is prevented, the inner side surface of the support plate 709 is tightly attached to the outer side surface of the pressure receiving plate 711, the input end of the water pump 704 is electrically connected with the output end of an external power supply, the spray pipe 705 is installed at the top of the outer side of the feed hopper 2, the spray head 706 is uniformly installed at the position of the inner side of the spray pipe 705 corresponding to the feed hopper 2, the center position of the inner top of the mixing box 1 is rotationally connected with the disc 707 through a rotating shaft, the outer side of the disc 707 is connected with a circular ring 708 through a connecting rod, the bearing capacity of the connecting rod is conveniently improved, the outer side of the circular ring 708 is symmetrically connected with the support plate 709 through the connecting rod, the pressure sensor 710 is installed at the top of the pressure sensor 710, the bump 712 is installed at the top of the support plate 709, the lug 712 is provided with the lug 712, the lug is internally corresponds to the inner top the top of the support water spraying pipe 705, the water pipe is conveniently the water spraying pipe 705 is.

The top of the mixing box 1 is provided with a transmission mechanism 8, and the transmission mechanism 8 comprises a transmission gear 801, a driving motor 802, a driving shaft 803, a driving gear 804, a cam 805, a fixed rod 806, an L-shaped rotating rod 807, a roller 808, a pushing rod 809, a mounting block 810, a reset spring 811 and a fixed block 812;

The disc 707 top is connected with drive gear 801 through the pivot and passes mixing tank 1, eight tooth protrusions are altogether in the drive gear 801 outside, two mark blocks are installed to drive gear 801 top symmetry, one tooth protrusion of drive gear 801 and the tip looks butt of push rod 809, two drive gear 804 intermeshing, driving motor 802 is installed to mixing tank 1 top one side, driving motor 802's input and external power supply's output electric connection, mixing tank 1 top corresponds driving motor 802 one side position department rotation and installs drive shaft 803, driving motor 802 and drive shaft 803 top all are connected with drive gear 804 through the pivot, driving shaft 803 outside mid-mounting has cam 805, cam 805 lateral surface and gyro wheel 808 lateral surface are mutually laminated, prevent cam 805 and L type bull stick 807 from causing the damage because of the friction, the life of device has been improved, L type bull stick 807 outside tip corresponds push rod 809 position department and installs the stopper, conveniently carry out spacing to the rotation angle of push rod 809, mixing tank 1 top corresponds driving shaft one side position department and installs the dead lever, dead lever outside top rotation is connected with L type bull stick 807, L type bull stick 805 corresponds mid-section position department and installs the gyro wheel 808, L type bull stick 803 corresponds to install the dead lever 811, L type bull stick position is installed at the end position is corresponding to the end of the mounting spring 810, mounting spring 810 one side of the end of the mounting of the thrust rod 810 corresponds to the mounting of the thrust rod 807.

The working principle and the using flow of the utility model are as follows: in the process of using the automatic concrete proportioning and feeding device, firstly, water is added into the water storage tank 701, then sand and cement are respectively added into the two feed hoppers 2, the pressure receiving plate 711 receives the pressure exerted by the sand and the cement, the pressure sensor 710 at the bottom of the pressure receiving plate 711 transmits the weight data of the sand and the cement to the display screen, so that staff can observe the quality of the sand and the cement conveniently, and the sand and the cement are fed according to the required proportioning ratio, so that the actual quality of the sand and the cement is consistent with the required added quantity, and the accuracy of the sand and the cement proportioning is improved;

Then, the driving motor 802 is turned on, the driving motor 802 drives the driving gear 804 to rotate for two circles, the driving gear 804 drives the cam 805 to rotate for two circles, the cam 805 drives the L-shaped rotating rod 807 to deflect, the push rod 809 drives the transmission gear 801 to rotate, the driving motor 802 drives the L-shaped rotating rod 807 to periodically rotate under the action of the cam 805 and the reset spring 811, so that the periodic rotation of the transmission gear 801 is realized, the angle of each rotation of the transmission gear 801 is fixed, and as the transmission gear 801 has eight convex teeth, when the cam 805 rotates for one circle, the transmission gear 801 rotates for 45 degrees, so that the transmission gear 801 rotates for 90 degrees, the transmission gear 801 drives the supporting plate 709 to rotate for 90 degrees, sand and cement simultaneously fall into the mixing box 1 from the feed hopper 2, the simultaneous pouring of sand and cement is realized, automatic batching is completed, and then the driving motor 802 is turned off until the sand and the cement all fall into the mixing box 1;

Then, the water pump 704 is started, the water is pumped out from the water storage tank 701 by the water pump 704, enters the water spraying pipe 705 through the pipe and is sprayed out from the spray nozzle 706, meanwhile, workers observe the water surface position through the transparent window 702 and the scale marks 703, the workers can conveniently control the water adding amount, and meanwhile, the water sprayed out from the spray nozzle 706 washes the cement and the sand stone remained on the inner wall of the feed hopper 2 into the mixing box 1, so that the concrete proportioning accuracy is improved, and the concrete quality is ensured;

then, the driving motor 802 is turned on, so that the cam 805 rotates for two circles, the supporting plate 709 rotates for 90 degrees, when the end part of the push rod 809 is positioned at the convex tooth position with the marking block and does not push the transmission gear 801, the supporting plate 709 completely seals the bottom of the feeding hopper 2, the accurate positioning of the supporting plate 709 is realized, and meanwhile, the driving motor 802 is turned off, so that the influence on the subsequent mixing and re-mixing is avoided;

Finally, the stirring motor 4 is turned on, the stirring motor 4 drives the stirring shaft 5 to rotate, the stirring shaft 5 drives the stirring blade 6 and the arc scraping plate to rotate, sand, cement and water are fully mixed, and then the discharge valve is turned on, so that concrete flows out from the discharge pipe 3.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an automatic ratio feeding device of concrete, includes mixing box (1), its characterized in that: the stirring device comprises a stirring motor (4), a stirring shaft (5) and a stirring blade (6) which is uniformly arranged outside the stirring shaft (5), wherein the stirring motor (4) is electrically connected with the output end of an external power supply, the stirring shaft (5) is connected with the top of the stirring motor (4) through a rotating shaft, and the stirring blade (6) is uniformly arranged inside the stirring shaft (5);

The quantitative proportioning mechanism (7) comprises a water storage tank (701), a transparent window (702), scale marks (703), a water pump (704), a water spraying pipe (705), a spray head (706), a disc (707), a circular ring (708), a supporting plate (709), a pressure sensor (710), a pressure receiving plate (711), a lug (712) and an L-shaped rod (713);

The utility model discloses a water mixing tank, including mixing box (1), storage tank (701), transparent window (702) are installed to storage tank (701) one side, scale mark (703) have been seted up to transparent window (702) limit portion, water pump (704) are installed at storage tank (701) top, the input and the output electric connection of external power source of water pump (704), spray pipe (705) are installed at feeder hopper (2) outside top, spray pipe (705) inboard corresponds feeder hopper (2) inside position department evenly installs shower nozzle (706), mixing box (1) inside top central point department is connected with disc (707) through the pivot rotation, disc (707) outside is connected with ring (708) through the connecting rod, ring (708) outside is connected with backup pad (709) through the connecting rod symmetry, backup pad (709) internally mounted has pressure sensor (710), pressure sensor (710) top is installed clamp plate (711), lug (712) end portion installs lug (713), mixing box (1) inside top corresponds lug (712) position department symmetry and installs L type pole (713).

2. The automated concrete proportioning feeding device according to claim 1, wherein: supporting legs are arranged on the periphery of the bottom of the mixing box (1), a display screen is arranged in the middle of one side of the feeding hopper (2), the signal output end of the pressure sensor (710) is connected with the signal input end of the display screen, a discharge valve is arranged in the middle of the discharge pipe (3), and an arc-shaped scraping plate is uniformly arranged at the bottom of the outer side of the stirring shaft (5).

3. The automated concrete proportioning feeding device according to claim 1, wherein: the top of the water pump (704) is connected with a water spraying pipe (705) through a pipeline, a baffle is arranged at the top of the feed hopper (2) corresponding to the position of the spray head (706), and the inner side surface of the support plate (709) is tightly attached to the outer side surface of the pressure receiving plate (711).

4. The automated concrete proportioning feeding device according to claim 1, wherein: a transmission mechanism (8) is arranged at the top of the mixing box (1), and the transmission mechanism (8) comprises a transmission gear (801), a driving motor (802), a driving shaft (803), a driving gear (804), a cam (805), a fixed rod (806), an L-shaped rotating rod (807), a roller (808), a push rod (809), a mounting block (810), a reset spring (811) and a fixed block (812);

Disc (707) top is connected with drive gear (801) through pivot through mixing box (1), driving motor (802) are installed at mixing box (1) top one side, driving motor (802) input and external power source's output electric connection, mixing box (1) top corresponds driving motor (802) one side position department rotation and installs drive shaft (803), driving motor (802) and drive shaft (803) top all are connected with drive gear (804) through the pivot, drive shaft (803) outside mid-mounting has cam (805), mixing box (1) top corresponds driving shaft (803) one side position department and installs dead lever (806), dead lever (806) outside top rotation is connected with L type bull stick (807), L type bull stick (807) middle part corresponds cam (805) position department and installs gyro wheel (808), L type bull stick (807) tip articulates there is push rod (809), L type bull stick (807) one end corresponds dead lever (806) position department and installs installation piece (810), installation piece (810) one side corresponds reset spring (811) one side, install reset spring (811) top (811) corresponding to install reset spring (811).

5. The automated concrete proportioning feeding device according to claim 4, wherein: eight tooth protrusions are arranged on the outer side of the transmission gear (801), two marking blocks are symmetrically arranged on the top of the transmission gear (801), one tooth protrusion of the transmission gear (801) is abutted against the end part of the push rod (809), and the two driving gears (804) are meshed with each other.

6. The automated concrete proportioning feeding device according to claim 4, wherein: the outer side face of the cam (805) is mutually attached to the outer side face of the roller (808), and a limiting block is arranged at the position, corresponding to the push rod (809), of the outer side end part of the L-shaped rotating rod (807).