CN212831172U

CN212831172U - Blowing device of fiber feeder

Info

Publication number: CN212831172U
Application number: CN202021028157.2U
Authority: CN
Inventors: 杜国伟; 卢立军; 胡德华
Original assignee: China Nuclear Construction Concrete Co ltd
Current assignee: China Nuclear Construction Concrete Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-30
Anticipated expiration: 2030-06-05

Abstract

The invention discloses a discharging device of a fiber feeder, which comprises: frame, band conveyer, striker plate and blowing device. The belt conveyor is arranged at the top of the frame and used for supporting and conveying the fiber package; the striker plate is installed perpendicularly in the both sides of conveyer belt, constitutes depositing and the removal space of fibre package with the conveyer belt, a plurality of fibre packages of row can be deposited in the space, and its front side, rear side and top are open structure, and the front side opening is the drain hole. The discharging device is used for sealing the discharging hole and releasing the fiber packages stored in the material baffle plate into the stirring station one by one together with the conveying device. The feeding device can realize automatic feeding of the fiber feeding machine, and replaces manual operation to automatically feed fibers to the stirring station.

Description

Blowing device of fiber feeder

Technical Field

The invention relates to the technical field of concrete preparation, in particular to a discharging device of a fiber feeder for a concrete mixing plant.

Background

As a novel building material, the fiber concrete not only has various advantages of the traditional concrete, but also has obvious improvement on various performances such as tensile property, bending resistance, crack resistance, high temperature resistance, durability and the like, and has been gradually approved and applied in various industries, particularly the building industry due to the obvious advantages of the fiber concrete compared with the traditional concrete. The fiber concrete is a cement-based composite material which is composed of cement paste, mortar or concrete as a base material and fiber as a reinforcing material, and the tensile strength, the bending strength, the impact strength, the elongation and the toughness of the concrete are improved due to the large tensile strength and the large elongation of the fiber.

When the existing concrete mixing plant carries out fiber concrete production, the mode of manual adding is adopted for adding fibers. For example, a professional is disposed near each mixer, and when concrete is mixed, the professional puts fibers on an inclined belt of a mixer middle bucket, and the fibers and concrete aggregate are put into the mixer together and mixed. The manual feeding of the fibers has the disadvantages of high labor intensity and uncontrollable addition amount, so that the quality of concrete is reduced, and the fibers are easy to fly around, thereby affecting the operating environment and damaging the body health of workers. Therefore, the development of a feeder capable of automatically feeding fibers is a technical problem to be solved urgently by the technical personnel in the field.

The difficult problem of research and development fibre batcher is the blowing device of design, realizes quantitative automatic feed function through the device to replace artifical material of throwing.

Disclosure of Invention

In order to solve the technical problem, the invention provides a discharging device of a fiber feeder.

The technical scheme adopted by the invention is as follows:

a discharging device of a fiber feeder comprises a rack, a belt conveyor, a baffle plate and a discharging device, wherein the belt conveyor is obliquely arranged at the top of the rack and is used for supporting and conveying fiber packages; the material baffle plates are vertically arranged at two sides of the conveying belt and form a storage and moving space of the fiber bag with the conveying belt; the discharging device comprises a discharging cylinder, a discharging plate and a discharging groove, the middle part of the discharging groove is rotatably arranged at the rear end of the rack of the belt conveyor through a rotating shaft, the discharging plate is slidably inserted into the discharging groove, when the discharging groove rotates to a vertical state, the discharging plate moves upwards, and the opening at the rear end of the blocking plate is closed to block the slippage of the fiber package; when the discharging groove rotates to an inclined state, the discharging plates move downwards to release a row of fiber packages supported on the discharging plates one by one; blowing cylinder one end is fixed in the frame rear side, and the cylinder piston rod of the other end is articulated with the blowing groove, and blowing cylinder drive blowing groove revolutes the rotation of axes.

Further, the material discharging plate is connected with the material discharging groove through a screw rod nut mechanism.

Further, the screw rod nut mechanism comprises a screw rod, a first transmission nut and a screw rod driving motor; the screw rod driving motor is fixedly installed at the lower end of the discharging groove, the first transmission nut is fixed at the lower end of the discharging plate, one end of the screw rod penetrates through the first transmission nut in a spiral mode, the other end of the screw rod is fixedly connected with the motor shaft in a coaxial mode, and the screw rod driving motor drives the screw rod to rotate in the first transmission nut so as to drive the discharging plate to slide up and down in the discharging groove.

Furthermore, the feed screw nut mechanism further comprises a second transmission nut, the second transmission nut is fixed at the lower end of the bottom surface of the discharging groove and is concentrically arranged with the first transmission nut, one end of the feed screw sequentially penetrates through the first transmission nut and the second transmission nut in a spiral mode, the other end of the feed screw is fixedly connected with the motor shaft in a coaxial mode, and the feed screw is driven by the feed screw driving motor to rotate in the first transmission nut and the second transmission nut so as to drive the discharging plate to slide up and down in the discharging groove.

Furthermore, the discharging groove is a rectangular frame made of section steel, sliding grooves extending in the length direction are formed in two opposite side faces of the long side of the rectangular frame, and the discharging plate is flat and can be inserted into the sliding grooves in a sliding mode.

Furthermore, the discharging groove is provided with a discharging plate upper limit switch used for limiting the upward moving position of the discharging plate, the discharging cylinder is provided with a discharging cylinder door opening limit switch and a discharging cylinder door closing limit switch used for limiting the door closing or door opening of the discharging plate, and the discharging groove is provided with discharging plate sensors which are used for detecting the downward moving position of the discharging plate and are arranged in one-to-one correspondence with the fiber packages.

The invention has the beneficial effects that:

1. the feeding device can realize automatic feeding of the fiber feeding machine, and replaces manual operation to automatically feed fibers to the stirring station.

2. The feeding device is simple in structure and convenient to control.

Drawings

Fig. 1 is a schematic structural view of a fiber feeder of the present application.

Fig. 2 is a schematic structural diagram of a discharging device of the fiber feeding machine.

Fig. 3 is a sectional view taken along a-a of fig. 2.

Detailed Description

In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.

Example 1

Referring to fig. 1 to 3, the embodiment provides a discharging device of a fiber feeding machine, the fiber feeding machine includes: the device comprises a frame 10, a belt conveyor 20, a material baffle 30 and a discharging device 50. The belt conveyor 20 is arranged at the top of the frame and is used for supporting and conveying the fiber packages; striker plate 30 installs perpendicularly in the both sides of conveyer belt, constitutes depositing and removing space of fibre package with the conveyer belt, a plurality of fibre packages of row can be deposited in the space, and its front side, rear side and top are open structure, and the front side opening is the drain hole, and a fibre package that is close to the drain hole is first fibre package. The discharging device 50 is used for sealing the discharging hole and releasing the fiber packages stored in the material baffle plate into the stirring station one by one together with the conveying device.

The belt conveyor mainly comprises a conveying belt 21, a conveying belt driving roller 22, a driven roller 23, a conveying belt driving motor 24, a speed reducer 25 and a frame 26. The belt conveyor 20 is obliquely arranged on the mounting surface at the top of the frame 10 from back to front through the frame 26, the inclination angle is about 10-15 degrees, and by adopting the design scheme, on one hand, the fiber bag can be inclined to the front side along with the transmission surface of the conveying belt during loading and moving, and the fiber bag is prevented from falling to the rear side; on the other hand, the first row of fiber packages can be tightly leaned on the material discharging plate, and when the material discharging plate is opened outwards, the first row of fiber packages are inclined along with the material discharging plate and supported on the material discharging plate to wait for discharging. The driven roller 23 is rotatably mounted at the rear end of the frame 26, the belt driving roller 22 is rotatably mounted at the front end of the frame 26, and the belt driving motor 24 drives the belt driving roller 22 to rotate through the speed reducer 25, so as to drive the conveying belt 21 to reciprocate clockwise between the belt driving roller 22 and the driven roller 23.

The discharging device 50 comprises a discharging cylinder 51, a discharging plate 52, a discharging groove 53 and a screw and nut mechanism 54. The discharging groove is a rectangular frame made of section steel, sliding grooves extending along the length direction are formed in two opposite side faces of the long side of the rectangular frame, and the discharging plate 52 is flat and is inserted into the sliding grooves. The feed screw nut mechanism 54 includes a feed screw 541, a first transmission nut 542, a second transmission nut 543, and a feed screw drive motor 544. The screw rod driving motor 544 is fixedly installed at the lower end of the discharging groove 53, the first transmission nut 542 is fixed at the lower end of the bottom of the discharging groove 53, the second transmission nut 543 is fixed at the lower end of the bottom of the discharging plate 52, one end of the screw rod 541 spirally penetrates through the first transmission nut 542 and the second transmission nut 543, and the other end of the screw rod 541 is coaxially and fixedly connected with a motor shaft of the screw rod driving motor 544. The screw rod driving motor 544 drives the screw rod 541 to rotate in the nut, so as to drive the discharging plate 52 to slide up and down in the discharging groove 53. The middle part of the discharging groove is rotatably arranged at the rear end of the frame 26 through a rotating shaft 511. One end of a discharging cylinder 51 is fixed on the rear side of the rack 10, a cylinder piston rod at the other end is hinged with a discharging groove 53, the discharging cylinder 51 drives the discharging groove 53 to rotate around a rotating shaft 511, when the discharging groove 53 rotates to a vertical state, a discharging plate 52 moves upwards to the uppermost part of the discharging groove, and the rear side opening of a material baffle plate 30 is closed to block the slippage of a fiber bag; when the discharging chute 53 is rotated to an inclined state, preferably, the discharging plate is inclined by 135 degrees, and the first row of fiber bales are inclined along with the discharging plate 52 and are supported on the discharging plate 52 one by one to wait for discharging.

In this embodiment, the discharging chute 53 is provided with a discharging plate upper limit switch 105 for limiting the upward moving position of the discharging plate 52, when the discharging plate 52 moves upward to the top of the discharging chute 53, the discharging plate upper limit switch 105 is triggered, and the discharging plate 52 stops moving.

The emptying cylinder 51 is provided with an emptying cylinder door opening limit switch 106 and an emptying cylinder door closing limit switch 107 which are used for limiting the closing or opening of the emptying plate. When the piston rod of the discharging cylinder 51 extends out to drive the discharging groove 53 to rotate upwards so that the discharging plate 52 closes the rear opening of the striker plate 30, the discharging cylinder is triggered to close the door limit switch 107, and the discharging groove 53 stops rotating; when the piston rod of the discharging cylinder 51 retracts to drive the discharging groove 53 to rotate downwards so that the discharging plate 52 is in an inclined state, the discharging cylinder door opening limit switch 106 is triggered, and the discharging groove 53 stops rotating. The discharging chute 53 is provided with a discharging plate sensor for detecting the downward movement position of the discharging plate 52, for example, in the present embodiment, a first discharging plate sensor 201, a second discharging plate sensor 202, a third discharging plate sensor 203, a fourth discharging plate sensor 204, a fifth discharging plate sensor 205, and a sixth discharging plate sensor 206 are provided in total. The sensor is connected with a PLC (programmable logic controller) of the fiber feeder, a counter is arranged in the PLC, and the counter is used for calculating the times of triggering the discharging plate sensor. The material discharging plate 52 is provided with a material sensing sensor 207 for detecting whether the fiber package is positioned in the first row, and the fiber package positioned in the first row is a precondition for discharging.

The working method of the utility model is as follows:

when the material sensor 207 detects that materials exist, the piston rod of the discharging air cylinder 51 retracts, the discharging plate 52 is opened outwards by 135 degrees, and the first row of fiber packages are obliquely supported on the discharging plate 52 along with the discharging plate; when the PLC receives a discharging signal of the mixing station, the screw rod driving motor 544 rotates reversely, and the discharging plate 52 moves downwards; triggering a first emptying plate sensor 201 when the emptying plate moves downwards to the tail end of the first fiber pack 1-1, and counting by a counter to be 1; triggering a second emptying plate sensor 202 when the emptying plate moves to the tail end of the second fiber pack 1-2, wherein the counter counts to 2; when the accumulated count reaches a set value, resetting the counter and restarting counting; repeating the action until the discharging plate moves to the last fiber pack, for example, when the discharging plate moves to the tail end of the sixth fiber pack 1-6 in the embodiment, the sixth discharging plate sensor 206 is triggered, the screw rod driving motor 544 rotates forwards, the discharging plate moves upwards, the piston rod of the discharging cylinder 51 extends out, and the discharging port is closed; a conveyor belt 21; and moving forwards, moving the second row of fiber packages to the first row of fiber packages, and repeating the material discharging action of the material discharging plate.

The limit switch and the sensor are both conventional, and in this embodiment, the limit switch is preferably of delaxi model LXJMI-8108, and the sensor is preferably of delaxi model CDJ 10.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A discharging device of a fiber feeder comprises a rack, a belt conveyor, a baffle plate and a discharging device, and is characterized in that the belt conveyor is obliquely arranged at the top of the rack and is used for supporting and conveying fiber packages; the material baffle plates are vertically arranged at two sides of the conveying belt and form a storage and moving space of the fiber bag with the conveying belt; the discharging device comprises a discharging cylinder, a discharging plate and a discharging groove, the middle part of the discharging groove is rotatably arranged at the rear end of the rack of the belt conveyor through a rotating shaft, the discharging plate is slidably inserted into the discharging groove, when the discharging groove rotates to a vertical state, the discharging plate moves upwards, and the opening at the rear end of the blocking plate is closed to block the slippage of the fiber package; when the discharging groove rotates to an inclined state, the discharging plates move downwards to release a row of fiber packages supported on the discharging plates one by one; blowing cylinder one end is fixed in the frame rear side, and the cylinder piston rod of the other end is articulated with the blowing groove, and blowing cylinder drive blowing groove revolutes the rotation of axes.

2. The emptying device according to claim 1, characterized in that the emptying plate and the emptying tank are connected through a feed screw and nut mechanism.

3. The emptying device according to claim 2, wherein the feed screw-nut mechanism comprises a feed screw, a first transmission nut and a feed screw driving motor; the screw rod driving motor is fixedly installed at the lower end of the discharging groove, the first transmission nut is fixed at the lower end of the discharging plate, one end of the screw rod penetrates through the first transmission nut in a spiral mode, the other end of the screw rod is fixedly connected with the motor shaft in a coaxial mode, and the screw rod driving motor drives the screw rod to rotate in the first transmission nut so as to drive the discharging plate to slide up and down in the discharging groove.

4. The emptying device according to claim 3, wherein the feed screw and nut mechanism further comprises a second transmission nut, the second transmission nut is fixed at the lower end of the bottom surface of the emptying groove and is arranged concentrically with the first transmission nut, one end of the feed screw sequentially passes through the first transmission nut and the second transmission nut, the other end of the feed screw is coaxially and fixedly connected with the motor shaft, and the feed screw is driven by the feed screw driving motor to rotate in the first transmission nut and the second transmission nut so as to drive the emptying plate to slide up and down in the emptying groove.

5. The discharge apparatus according to claim 3, wherein said discharge chute is a rectangular frame made of section steel, slide grooves extending in the longitudinal direction are provided on opposite sides of a long side of said rectangular frame, and said discharge plate is shaped like a flat plate and slidably inserted into said slide grooves.

6. The discharging device according to claim 3, wherein the discharging chute is provided with an upper discharging plate limit switch for limiting the upward moving position of the discharging plate, the discharging cylinder is provided with an opening cylinder limit switch and a closing cylinder limit switch for limiting the closing or opening of the discharging plate, the discharging chute is provided with discharging plate sensors which are arranged in one-to-one correspondence with the fiber packages and used for detecting the downward moving position of the discharging plate, and the discharging plate is provided with a material sensing sensor for detecting whether the fiber packages are positioned in the first row or not.