CN212101056U

CN212101056U - Material stirring and conveying device

Info

Publication number: CN212101056U
Application number: CN201922375853.4U
Authority: CN
Inventors: 杨永林; 谭修远; 霍飞明; 杨智凯; 王曙光
Original assignee: Shaoxing Jinchuangyi Plasticizing Electric Appliances Co ltd
Current assignee: Shaoxing Jinchuangyi Plasticizing Electric Appliances Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-12-08
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to an agitator machine technical field, concretely relates to material mixing conveyor. The stirring device comprises a rack, a stirring box arranged on the rack and a discharging barrel arranged on one side of the stirring box, wherein the upper part of the stirring box is provided with a hopper, and the bottom of the stirring box is provided with a stirring tank communicated with the discharging barrel; the stirring tank and the discharging barrel are internally provided with an integrated screw, the integrated screw is composed of a stirring screw and a conveying screw which are fixedly connected with each other coaxially, the stirring screw is arranged in the stirring tank, and the conveying screw is arranged in the discharging barrel; the stirring screw is provided with propeller-shaped blades, and the conveying screw is provided with spiral solid blades. The propeller-shaped blades can effectively and fully stir the BMC material, and the generation of dead blocks is avoided; the spiral solid blade can convey materials to the maximum extent, the materials are driven to move forwards, and the BMC material conveying efficiency is improved.

Description

Material stirring and conveying device

Technical Field

The utility model relates to an agitator machine technical field, concretely relates to material mixing conveyor.

Background

At the present stage, the helical solid blades are used for stirring and conveying the BMC material, but in actual production, the phenomenon of 'dead block' always occurs, and the dead block is a blocky object which is different from the surrounding structure after the BMC material is cooled and solidified due to uneven stirring. Therefore, the product yield of the BMC material is influenced, and multiple tests prove that the phenomenon of the occurrence of the dead block is related to the stirring shaft in the stirring machine, so that the phenomenon of the dead block is urgently needed to be solved by the stirring shaft.

Meanwhile, the unreasonable structural design of the existing BMC material stirring machine also influences the stirring efficiency of the BMC material.

Based on this, the present case has been made.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a material mixing conveyor has solved the phenomenon that appears the dead block among the prior art and the unreasonable phenomenon of BMC material mixer structural design.

To achieve the above object, the present invention provides the following embodiments: a material stirring and conveying device comprises a rack, a stirring box arranged on the rack, and a discharging barrel arranged on one side of the stirring box, wherein the upper part of the stirring box is a hopper, and the bottom of the stirring box is provided with a stirring tank communicated with the discharging barrel; the stirring tank and the discharging barrel are internally provided with an integrated screw, the integrated screw is composed of a stirring screw and a conveying screw which are fixedly connected with each other coaxially, the stirring screw is arranged in the stirring tank, and the conveying screw is arranged in the discharging barrel; the stirring screw is provided with propeller-shaped blades, and the conveying screw is provided with spiral solid blades. Through the diligent experimental observation of researchers, the propeller-shaped blades can effectively and fully stir the BMC material, and the generation of dead blocks is avoided; the spiral solid blades on the conveying screw can convey materials to the maximum extent, the materials are driven to move forwards, and the BMC material conveying efficiency is improved.

Preferably, the rack is provided with a power device connected with one end of the stirring screw rod far away from the conveying screw rod. The power device can be a motor which drives the integrated screw rod to rotate through a coupler, or a motor which drives the integrated screw rod to rotate through a belt wheel mechanism, and the like.

Preferably, the hopper is of an inverted cone structure, and the inclination angle alpha of the side wall of the hopper is 50-80 degrees. The preferred angle of inclination α is 60 ° -80 °. The inverted cone-shaped hopper can facilitate materials to slowly enter the stirring tank, the reasonable arrangement of the inclination angle of the side wall of the charging barrel can not only bear more BMC materials, but also control the blanking speed of the BMC materials, the different inclination angles enable the BMC materials to enter the charging barrel at different speeds under the action of gravity, and when the angle is too small, the BMC materials are easy to stay in the hopper to form dead corners and are not beneficial to rolling and stirring the BMC materials; when the angle is too big, a large amount of materials get into the stirred tank in, easily increase the stirring burden, cause the injury to the stirring screw rod.

Preferably, the distance between the propeller-shaped blades on the stirring screw is L =5 cm-8 cm. When the distance between the propeller-shaped blades is too close, the BMC material is excessively extruded and rubbed, so that the fiber structure of the BMC material is easily damaged, and the quality of the BMC material is influenced; when the distance between the propeller-shaped blades is too wide, the stirring effect and efficiency are easily affected.

Preferably, a shearing device and a quantifying device are respectively arranged at the discharge port of the discharge barrel. The material stirring is even after through the conveying screw propelling movement, goes out from a feed cylinder, and the material density of stirring is certain, and the cross-sectional area is the same, so length just can decide the weight of material, so use proportioning device to detect the length of material, and shearing mechanism shears the material.

Preferably, the shearing device comprises scissors which slide up and down on the frame, a hydraulic cylinder is arranged at the upper end of the scissors, and the scissors are attached to the discharge port. The hydraulic cylinder drives the scissors to shear materials, so that the operation is convenient and rapid, the control is easy, and the power is stable; wherein the scissors are in a sheet shape, the materials are cut from bottom to top, the upper parts of the scissors are edged, and a hydraulic shaft on a hydraulic cylinder and the scissors are fixedly arranged and used for controlling the scissors to cut the materials and reset.

Preferably, the quantifying device comprises a pressing rod which slides left and right on the rack, a pressing plate is arranged on the pressing rod, the pressing plate on the pressing rod is arranged corresponding to the discharge port, a spring is arranged between the pressing plate and the rack, and a sensor which is arranged corresponding to the pressing rod is arranged on the rack. The clamp plate on the pressing rod is used for supporting materials, the materials are prevented from directly falling after coming out from the discharging opening, meanwhile, the sensor can be used for detecting the length of the materials, and the spring can reset the pressing rod after the materials are sheared.

Compared with the prior art, the utility model discloses possess following outstanding advantage and positive effect:

1. in order to solve the problem of generating the dead block during the material stirring in the prior art, the one-piece screw consisting of the stirring screw and the conveying screw which are fixedly connected with the same axis is innovatively designed, wherein the propeller-shaped blade on the stirring screw is used for stirring the material, so that the BMC material in the hopper can be fully stirred, the generation of the dead block is avoided, and the phenomenon of generating the dead block during the material stirring in the prior art is solved; and the spiral solid blade on the conveying screw can convey materials to the maximum extent, so that the materials are driven to move forwards, and the BMC material conveying efficiency is improved.

2. Through the reasonable setting to the back taper structural design of hopper, hopper angle of inclination and propeller shape blade interval, make BMC material obtain intensive mixing in the stirred tank, further improved stirring effect and efficiency.

3. Discharge gate department at the play feed cylinder sets up proportioning device and shearing mechanism, can carry out quantitative measurement and shearing to the material, has extended the utility model discloses a service function.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the integral screw structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 2 according to the present invention.

Wherein the reference numbers: 1-frame, 2-stirring box, 201-stirring tank, 202-hopper, 3-integral screw, 301-stirring screw, 3011-propeller blade, 302-conveying screw, 3022-spiral solid blade, 4-power device, 5-discharging barrel, 6-shearing device, 601-scissor, 602-hydraulic cylinder, 7-quantifying device, 701-pressure rod, 702-spring, 703-sensor and 704-pressure plate.

Detailed Description

The present invention is further described with reference to fig. 1-4 below: a material stirring and conveying device comprises a frame 1, a stirring box 2 arranged on the frame 1, and a discharging barrel 5 arranged on one side of the stirring box 2, wherein the upper part of the stirring box 2 is provided with a hopper 202, and the bottom of the stirring box is provided with a stirring tank 201 communicated with the discharging barrel 5; the stirring tank 201 and the discharging barrel 5 are internally provided with an integrated screw 3, the integrated screw 3 is composed of a stirring screw 301 and a conveying screw 302 which are fixedly connected with the same axle center, the stirring screw 301 is arranged in the stirring tank 201, and the conveying screw 302 is arranged in the discharging barrel 5; the stirring screw 301 is provided with a propeller-shaped blade 3011, and the transport screw 302 is provided with a solid helical blade 3022. Through the diligent experimental observation of researchers, the propeller-shaped blades 3011 are found to be capable of effectively and fully stirring the BMC material, and the generation of dead blocks is avoided; the screw solid blades 3022 on the conveying screw 302 can convey the materials to the maximum extent, so that the materials are driven to move forwards, and the conveying efficiency of the BMC materials is improved.

The frame 1 is provided with a power device 4 connected with one end of the stirring screw 301 far away from the conveying screw 302. The power device 4 can be a motor which drives the integrated screw rod 3 to rotate through a coupler, or a motor which drives the integrated screw rod 3 to rotate through a belt wheel mechanism, and the like.

The hopper 202 is of an inverted cone structure, and the inclination angle alpha of the side wall of the hopper 202 is 50-80 degrees. The preferred angle of inclination α is 60 ° -80 °. The inverted cone-shaped hopper 202 can facilitate materials to slowly enter the stirring tank 201, the reasonable arrangement of the inclination angle of the side wall of the charging barrel can not only bear more BMC materials, but also control the blanking speed of the BMC materials, the different angles enable the BMC materials to enter the charging barrel at different speeds under the action of gravity, and when the angle is too small, the BMC materials are easy to stay in the hopper 202 to form dead corners, which is not beneficial to the rolling and stirring of the BMC materials; when the angle is too big, a large amount of materials get into stirred tank 201 in, easily increase the stirring burden, cause the injury to stirring screw 301.

The distance between the propeller-shaped blades 3011 on the stirring screw 301 is L =5cm to 8 cm. When the distance between the propeller-shaped blades 3011 is too close, the BMC material is excessively extruded and rubbed, so that the fiber structure of the BMC material is easily damaged, and the quality of the BMC material is influenced; when the distance between the propeller-shaped blades 3011 is too wide, the stirring effect and efficiency are easily affected.

The discharge port of the discharge barrel 5 is provided with a shearing device 6 and a quantifying device 7 respectively. The material is pushed by the conveying screw rod 302 after being uniformly stirred and is discharged from the discharge barrel 5, the material density of the uniform stirring is certain, the cross sectional area is the same, the weight of the material can be determined by the length, the length of the material is detected by the quantifying device 7, and the material is sheared by the shearing device 6.

The shearing device 6 comprises scissors 601 which slide up and down on the frame 1, a hydraulic cylinder 602 is arranged at the upper end of the scissors 601, and the scissors 601 are attached to the discharge port. The hydraulic cylinder 602 drives the scissors 601 to shear materials, so that the operation is convenient and fast, the control is easy, and the power is stable; the scissors 601 are sheet-shaped, materials are cut from bottom to top, the upper portion of the scissors 601 is edged, and a hydraulic shaft on the hydraulic cylinder 602 and the scissors 601 are fixedly arranged and used for controlling the scissors 601 to cut the materials and reset the scissors 601.

The quantitative device 7 comprises a pressure lever 701 which slides left and right on the frame 1, a spring 702 is arranged between the pressure lever 701 and the frame 1, a pressure plate 704 on the pressure lever 701 is arranged corresponding to the discharge hole, and a sensor 703 which is arranged corresponding to the pressure lever 701 is arranged on the frame 1. The pressing plate 704 on the pressing rod 701 is used for supporting materials, the materials are prevented from directly falling off after coming out from the discharging port, meanwhile, the sensor 703 can be used for detecting the length of the materials, and the spring 702 can reset the pressing rod 701 after the materials are cut.

The specific working process is as follows:

1) the materials enter from the upper part of the hopper 202, the materials at the bottom fall into the stirring tank 201, the power device 4 is started to drive the integrated screw 3 to stir, extrude and convey, wherein the propeller-shaped blades 3011 on the stirring screw 301 fully stir the materials, and then the stirred materials are conveyed to the material outlet of the discharging barrel 5 along the spiral solid blades 3022 on the conveying screw 302;

2) the material is extruded from the discharge port of the discharge barrel 5, then the material is propped against the pressing plate 704, the pressing plate 704 fixes the material and slides backwards, the spring 702 is compressed, the sensor 703 detects the length of the material, when the length of the material reaches the standard length detected by the detector, the hydraulic cylinder 602 drives the scissors 601 to shear the material, the material drops, a receiving device is arranged below the discharge barrel 5 and used for receiving the material, the spring 702 resets the pressing rod 701, then the shearing of the material is repeated until the material is completely stirred and sheared, wherein the receiving device is an existing device and is a disc-shaped receiving disc;

3) after the stirring, conveying and shearing of the materials are finished, the power device 4 is turned off, and then the hopper 202 and the stirring tank 201 are cleaned.

Claims

1. The utility model provides a material stirring conveyor, includes the frame, arranges the agitator tank in the frame in, arranges the play feed cylinder of agitator tank one side in, its characterized in that: the upper part of the stirring box is provided with a hopper, and the bottom of the stirring box is provided with a stirring tank communicated with the discharging barrel; the stirring tank and the discharging barrel are internally provided with an integrated screw, the integrated screw is composed of a stirring screw and a conveying screw which are fixedly connected with each other coaxially, the stirring screw is arranged in the stirring tank, and the conveying screw is arranged in the discharging barrel; the stirring screw is provided with propeller-shaped blades, and the conveying screw is provided with spiral solid blades.

2. A material mixing and conveying apparatus as claimed in claim 1, wherein: and the rack is provided with a power device connected with one end of the stirring screw rod far away from the conveying screw rod.

3. A material mixing and conveying apparatus as claimed in claim 1, wherein: the hopper is of an inverted cone structure, and the inclination angle alpha of the side wall of the hopper is 50-80 degrees.

4. A material mixing and conveying apparatus as claimed in claim 1, wherein: the hopper is of an inverted cone structure, and the inclination angle alpha of the side wall of the hopper is 60-80 degrees.

5. A material mixing and conveying apparatus as claimed in claim 1, wherein: the distance between propeller-shaped blades on the stirring screw is L =5 cm-8 cm.

6. A material mixing and conveying apparatus as claimed in claim 1, wherein: and a shearing device and a quantifying device are respectively arranged at the discharge port of the discharge barrel.

7. The material stirring and conveying device as claimed in claim 6, wherein: the shearing device comprises scissors which slide up and down on the frame, a hydraulic cylinder is arranged at the upper end of the scissors, and the scissors are attached to the discharge port.

8. The material stirring and conveying device as claimed in claim 6, wherein: the quantifying device comprises a pressure rod which slides left and right on the rack, a pressure plate is arranged on the pressure rod, the pressure plate on the pressure rod is arranged corresponding to the discharge port, a spring is arranged between the pressure plate and the rack, and a sensor which is arranged corresponding to the pressure rod is arranged on the rack.