CN220179655U - Automatic metering device for concrete mixture for duct piece - Google Patents

Abstract

The utility model relates to an automatic metering device for concrete mix for duct pieces, which comprises a mixing station, two mutually parallel placing racks arranged at an outlet of the mixing station along an X axis, two feeding slide rails arranged on the top surfaces of the two placing racks and arranged along the X axis direction, a feeding hopper arranged on the two feeding slide rails in a sliding manner, a discharging hopper arranged at one end of the two placing racks away from the mixing station and positioned below the feeding hopper, a lifting assembly arranged at one end of the two placing racks away from the mixing station, a weighing sensor arranged at the joint of the discharging hopper and the lifting member directly, and a scraping plate assembly arranged on the two placing racks and positioned right above the discharging hopper and used for scraping and preventing splashing; the scraping assembly is positioned between the discharging hopper and the feeding hopper; the two placement devices are connected through a plurality of cross beams; according to the utility model, the scraping plate component is matched with the lifting component, so that concrete splashing can be effectively prevented, concrete attached to the inner wall of the discharging hopper can be scraped off, and blockage is avoided.

Description

Automatic metering device for concrete mixture for duct piece

Technical Field

The utility model relates to the field of duct piece production, in particular to an automatic metering device for concrete mix for duct pieces.

Background

The duct piece is a concrete reinforcement prefabricated member, has a bending radian, is applied to the construction of a subway tunnel, is a top support piece of the subway tunnel, and a plurality of spliced duct pieces form a top structure of the subway tunnel.

The main production raw materials of the duct piece are a steel reinforcement framework and concrete poured on the steel reinforcement framework, wherein the steel reinforcement framework is well bound and placed in an arched mould during pouring, and the concrete is injected into the mould through an injection port after mould closing.

The existing pipe piece filling equipment is of a feeding hopper and discharging hopper structure, the feeding hopper is easy to splash when feeding the discharging hopper, and residual concrete after discharging of the discharging hopper is attached to the inner wall, so that the discharging is possibly affected due to solidification for a long time.

As in prior art 202121060585.8, an automatic concrete pouring and vibrating system is disclosed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an automatic metering device for concrete mix for duct pieces.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a concrete mix automatic metering device for section of jurisdiction, contain the stirring station, set up two racks that are parallel to each other that two X axle were placed along the stirring station exit, set up two material loading slide rails that place along X axle direction in two rack top surfaces, slide the last hopper that sets up on two material loading slide rails, set up at two racks keep away from stirring station one end department and lie in the lower hopper, set up at two racks keep away from stirring station one end department and be used for driving the lifting unit that the hopper goes up and down, set up at the direct weighing sensor of hopper and lifting unit junction, set up on two racks and lie in the scraping plate subassembly that is used for scraping and prevents the splash directly over the lower hopper; the scraping plate component is positioned between the discharging hopper and the feeding hopper; the two placing frames are connected through a plurality of cross beams.

Preferably, the scraping plate assembly comprises two fixing plates, two first scraping plates and a second scraping plate, wherein the two fixing plates are arranged at the bottom of a cross beam at one end of the two placing frames, far away from the stirring station, and are respectively parallel to the two feeding sliding rails; the scraping ends of the two first scraping plates and the two second scraping plates are tightly attached to the inner wall of the discharging hopper; the width of the two second scrapers is smaller than that of the two first scrapers; two sliding grooves are formed in the joint positions of the two fixing plates and the two ends of the two first scraping plates, and two sliding blocks penetrating through the sliding grooves are arranged at the two ends of the two first scraping plates; reset components connected with the two sliding blocks are arranged between the two sliding grooves on the two sides of the two fixing plates; the driving ends of the four groups of reset components are connected with two sliding blocks on the two first scraping plates respectively.

Preferably, baffles are arranged at the upper ends of the two sides of the discharging hopper, which are positioned at the two second scraping plates.

Preferably, the four groups of reset assemblies comprise a limiting plate arranged on the fixed plate and positioned between one ends of the two sliding grooves, a limiting rod horizontally arranged on the limiting plate and parallel to the fixed plate, and a driving plate with two ends mutually connected with two sliding blocks at the starting points of the two sliding grooves; one end of the limiting rod penetrates through the driving plate; the limiting rod is sleeved with a reset spring which always pushes the driving plate to the starting points of the two sliding grooves.

Preferably, the lifting assembly comprises two fixing blocks, two V-shaped chain guide seats, two driven chain wheels, a driving shaft, two driving chain wheels, chains, pulleys, four lifting slide rails and a driving motor, wherein the two fixing blocks are respectively arranged on the outer sides of the top surfaces of one ends of the two placing frames, far away from the stirring station, of the two placing frames; the discharging hopper is arranged on the lifting pulley; the weighing sensor is arranged between the blanking hopper and the junction of the lifting pulley.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the utility model, the scraping plate component is matched with the lifting component, so that concrete splashing can be effectively prevented, concrete attached to the inner wall of the discharging hopper can be scraped off, and blockage is avoided.

Drawings

The technical scheme of the utility model is further described below with reference to the accompanying drawings:

fig. 1 is a schematic diagram of the front structure of the automatic metering device for concrete mixture for duct pieces;

fig. 2 is a schematic end-face structure of a placing frame of the automatic concrete mixing material metering device for duct pieces.

Wherein: 1. a stirring station; 2. a placing rack; 3. a feeding slide rail; 4. feeding a hopper; 5. discharging a hopper; 6. a lifting assembly; 61. a fixed block; 62. v-shaped chain guide seat; 63. a driven sprocket; 64. a bearing seat; 65. a drive shaft; 66. a drive sprocket; 67. a pulley; 68. lifting the sliding rail; 69. a driving motor; 7. a weighing sensor; 8. a scraper assembly; 81. a fixing plate; 82. a first scraper; 83. a second scraper; 84. a chute; 85. a slide block; 86. a reset assembly; 861. a limiting plate; 862. a limit rod; 863. a driving plate; 864. a return spring; 9. a cross beam; 10. and a baffle.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Fig. 1-2 are diagrams showing an automatic metering device for concrete mixing materials for duct pieces, which comprises a mixing station 1, two mutually parallel placing racks 2 arranged at the outlet of the mixing station 1 along the X axis, two feeding slide rails 3 arranged on the top surfaces of the two placing racks 2 and arranged along the X axis direction, a feeding hopper 4 arranged on the two feeding slide rails 3 in a sliding manner, a discharging hopper 5 arranged at one end of the two placing racks 2 far away from the mixing station 1 and positioned below the feeding hopper 4, a lifting assembly 6 arranged at one end of the two placing racks 2 far away from the mixing station 1 and used for driving the discharging hopper 5 to lift, a weighing sensor 7 arranged at the joint of the discharging hopper 5 and the lifting member directly, and a scraping plate assembly 8 arranged on the two placing racks 2 and positioned right above the discharging hopper 5 and used for scraping and preventing splashing; the scraping plate component is positioned between the discharging hopper 5 and the feeding hopper 4; the two placing frames are connected through a plurality of cross beams 9; the scraping plate assembly 8 comprises two fixing plates 81 which are arranged at the bottom of a cross beam 9 at one end of the two placing racks 2 far away from the stirring station 1 and are respectively parallel to the two feeding sliding rails 3, two first scraping plates 82 which are arranged between the two fixing plates 81 in a sliding manner and are used for scraping off concrete on the inner wall of the lower hopper 5, and a second scraping plate 83 which is arranged at the bottom of the two fixing plates 81 and is used for scraping off concrete on the inner wall of the lower hopper 5; the scraping ends of the two first scraping plates 82 and the two second scraping plates 83 are tightly attached to the inner wall of the discharging hopper 5; the width of the two second scrapers 83 is smaller than that of the two first scrapers 82; two sliding grooves 84 are formed in the joint positions of the two fixing plates 81 and the two ends of the two first scraping plates 82, and two sliding blocks 85 penetrating through the sliding grooves 84 are arranged on the two ends of the two first scraping plates 82; reset components 86 connected with two sliding blocks 85 are arranged between the two sliding grooves 84 on two sides of the two fixing plates 81; the driving ends of the four groups of reset assemblies 86 are connected with two sliding blocks 85 on two first scraping plates 82 respectively; the four sets of reset assemblies 86 comprise a limiting plate 861 arranged on the fixed plate 81 and positioned between the ends of the two sliding grooves 84, a limiting rod 862 horizontally arranged on the limiting plate 861 and parallel to the fixed plate 81, and a driving plate 863 with two ends mutually connected with two sliding blocks 85 at the starting points of the two sliding grooves 84; one end of the limiting rod 862 penetrates through the driving plate 863; the limiting rod is sleeved with a reset spring 864 which always pushes the driving plate 863 to the starting points of the two sliding grooves 84; the lifting assembly 6 comprises two fixing blocks 61 respectively arranged on the outer sides of the top surfaces of one ends of the two placing frames 2 far away from the stirring station 1, two V-shaped chain guide seats 62 arranged on one ends of the two fixing blocks 61 close to the discharging hopper 5 and used for guiding and preventing chains from tilting, two driven chain wheels 63 respectively arranged on the two V-shaped chain guide seats 62, a driving shaft 65 arranged on one ends of the two placing frames 2 far away from the stirring station 1, the top surfaces of the cross beams 9 of which the two ends extend to the two fixing blocks 61 through bearing blocks 64, two driving chain wheels 66 arranged on the two ends of the driving shaft 65, chains respectively arranged on the two driven chain wheels 63 and the two driving chain wheels 66, four lifting slide rails 68 arranged on the joint of the two placing frames 2 and the lifting slide rails 67 and used for facilitating the sliding of the lifting slide rails 67, and a driving motor 69 arranged on one ends of the driving shaft 65 and used for driving the driving shaft 65 to rotate; the discharging hopper 5 is arranged on the lifting pulley 67; the load cell 7 is arranged between the blanking hopper 5 and the junction of the lifting trolley 67.

Further, the upper ends of the two sides of the discharging hopper 5, which are positioned at the two second scrapers 83, are respectively provided with a baffle 10, and concrete at the gap between the second scrapers and the first scrapers is placed to splash.

When in use, the utility model is characterized in that: when the pipe piece is poured, firstly, after the upper hopper 4 is used for stirring concrete at the stirring station 1, the concrete is moved to the position right below the lower hopper 5 through the X-axis sliding rail on the placing frame 2, then the concrete is started to be filled into the lower hopper 5, the concrete falls into the lower hopper 5 from an opening formed by the first scraping plate 82 and the second scraping plate 83, the concrete splashed by impact generated by falling is effectively blocked, after the feeding is finished, the upper hopper 4 is returned to the stirring station 1 for continuously stirring the concrete, then the lower hopper 5 starts to be used for discharging the concrete into a pipe piece mould, the amount of the concrete is calculated through the weighing sensor 7, the lifting assembly 6 is started after the discharging is finished, the driving motor 69 drives the driving shaft 65 to rotate, the driving chain 66 drives the chain to move, the V-shaped chain guide seat 62 guides the chain to be limited and placed away from the driving chain 66, the chain pulls the lifting pulley 67 to move on the lifting slide rail 68, the lifting pulley 67 drives the discharging hopper 5 to move towards the first scraping plate 82 and the second scraping plate 83, then the first scraping plate 82 and the second scraping plate 83 move to start to scrape down the concrete on the inner wall of the discharging hopper 5, the inner wall of the discharging hole of the discharging hopper 5 at the first scraping plate 82 is inclined, the second scraping plate 83 is horizontal, the first scraping plate is extruded to move forwards, the second scraping plate 83 does not move, then the sliding block 85 moves in the sliding groove 84 of the fixing plate 81, the limiting plate 861 also moves to start to extrude the spring, when the two ends of the first scraping plate 82 and the second scraping plate 83 are mutually attached, then the driving motor 69 reversely rotates to reset the lifting pulley 67, at the moment, the first scraping plate 82 is reset by the elastic force of the reset spring 864, and after the reset is finished, the casting of the next round is started.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims (5)

1. The utility model provides a concrete mix automatic metering device for section of jurisdiction which characterized in that: the automatic feeding device comprises a stirring station, two mutually parallel placing racks arranged at the outlet of the stirring station along the X axis, two feeding slide rails arranged on the top surfaces of the two placing racks and arranged along the X axis direction, a feeding hopper arranged on the two feeding slide rails in a sliding manner, a discharging hopper arranged at one end of the two placing racks away from the stirring station and positioned below the feeding hopper, a lifting assembly arranged at one end of the two placing racks away from the stirring station and used for driving the discharging hopper to lift, a weighing sensor arranged at the joint of the discharging hopper and the lifting member, and a scraping plate assembly arranged on the two placing racks and positioned right above the discharging hopper and used for scraping and preventing splashing; the scraping plate component is positioned between the discharging hopper and the feeding hopper; the two placing frames are connected through a plurality of cross beams.

2. The automatic metering device for concrete mix for duct pieces according to claim 1, characterized in that: the scraping plate assembly comprises two fixing plates, two first scraping plates and a second scraping plate, wherein the two fixing plates are arranged at the bottom of a cross beam at one end of the two placing frames, far away from the stirring station, and are respectively parallel to the two feeding sliding rails; the scraping ends of the two first scraping plates and the two second scraping plates are tightly attached to the inner wall of the discharging hopper; the width of the two second scrapers is smaller than that of the two first scrapers; two sliding grooves are formed in the joint positions of the two fixing plates and the two ends of the two first scraping plates, and two sliding blocks penetrating through the sliding grooves are arranged at the two ends of the two first scraping plates; reset components connected with the two sliding blocks are arranged between the two sliding grooves on the two sides of the two fixing plates; the driving ends of the four groups of reset components are connected with two sliding blocks on the two first scraping plates respectively.

3. The automatic metering device for concrete mix for duct pieces according to claim 2, characterized in that: and baffles are arranged at the upper ends of the outer parts of the two sides of the discharging hopper, which are positioned at the two second scraping plates.

4. The automatic metering device for concrete mix for duct pieces according to claim 3, wherein: the four groups of reset components comprise limiting plates arranged on the fixed plate and positioned between one ends of the two sliding grooves, limiting rods horizontally arranged on the limiting plates and parallel to the fixed plate, and driving plates with two ends mutually connected with two sliding blocks at the starting points of the two sliding grooves; one end of the limiting rod penetrates through the driving plate; the limiting rod is sleeved with a reset spring which always pushes the driving plate to the starting points of the two sliding grooves.

5. The automatic metering device for concrete mix for duct pieces according to claim 4, wherein: the lifting assembly comprises two fixed blocks, two V-shaped chain guide seats, two driven chain wheels, a driving shaft, two driving chain wheels, chains, pulleys, four lifting slide rails and a driving motor, wherein the two fixed blocks are respectively arranged on the outer sides of the top surfaces of one ends of the two storage racks, far away from the stirring station, of the two storage racks; the discharging hopper is arranged on the lifting pulley; the weighing sensor is arranged between the blanking hopper and the junction of the lifting pulley.