CN220519519U

CN220519519U - Pneumatic conveying device

Info

Publication number: CN220519519U
Application number: CN202322234270.6U
Authority: CN
Inventors: 陈东胜; 陈永城
Original assignee: Weifang Dewol Intelligent Equipment Co ltd
Current assignee: Weifang Dewol Intelligent Equipment Co ltd
Priority date: 2023-08-20
Filing date: 2023-08-20
Publication date: 2024-02-23
Anticipated expiration: 2033-08-20

Abstract

The utility model provides a pneumatic conveying device which comprises a discharger, a conveying pipe, a gas-material separator and a fan, wherein a plurality of separation tanks are arranged on the gas-material separator, are positioned on a frame of the separator and are connected with the frame through a weighing sensor; each separating tank is provided with a feed inlet, an air outlet, a discharge opening, a filter bag and a filter bag mounting plate; the filter bag is arranged on a plate hole of the filter bag mounting plate; each separator tank serves as a separate feed. The feeding of PVC powder and calcium powder is completed respectively by arranging different separating tanks, so that the problem of low efficiency and high strength of manual feeding can be avoided, and the problem that the quality of a transparent PVC hose is influenced by feeding in the same tank can be avoided. The assembly is simple, the progress can be effectively accelerated, and the efficiency is improved; the integral strength is ensured, and the integral disassembly, assembly and transportation are convenient; is beneficial to processing and assembling, and can improve the integral processing and mounting precision and the standardization degree.

Description

Pneumatic conveying device

Technical Field

The utility model relates to the field of equipment for manufacturing PVC hoses, in particular to powder conveying equipment for manufacturing PVC particles.

Background

In the prior art, PVC hoses are made of PVC particles, transparent PVC hoses are made of PVC particles by using other auxiliary materials and additives of PVC powder, and then the PVC particles are made into hoses, and opaque PVC hoses are made of PVC particles by combining PVC powder and calcium powder, and then the PVC particles are made into hoses. The feeding of the PVC powder, the calcium powder and other auxiliary materials and additives is completed through a pneumatic conveying system, and the pneumatic conveying system comprises a feeder, a conveying pipeline, a gas-material separator, a fan and the like. The inside filter element that is provided with of gas material separator among the pneumatic conveying system, in the prior art generally only set up a gas material separator and add the PVC powder, in same production line, when producing transparent PVC hose, only add the PVC powder through the gas material separator can, if the opaque PVC hose of production, the interpolation of calcium powder is generally single manual interpolation, because if use knockout drum and PVC powder to mix the interpolation, will make the residual calcium powder of jar when the transparent PVC hose of later stage reproduction mix to influence the quality of finished product. The quality problem of the transparent PVC hose is completely eradicated in a manual adding mode, but the adding process requires more manpower, and is high in labor intensity and low in efficiency. Therefore, an efficient and high-precision pneumatic conveying device is urgently needed to realize the feeding of PVC powder and calcium powder.

The utility model patent of China of application number 202122148672.5, ton package hoist and mount frame are used for the hoist and mount to ton bag, and current ton package hoist and mount frame is monolithic, and each bracing piece all assembles processing in the scene, has three problems like this: firstly, all parts are processed and assembled on site, are processed and used at present, are not modularized, and cannot be subjected to inventory production, so that the overall progress is slow, and the efficiency is low; secondly, some precise large auxiliary processing equipment for on-site cutting and installation cannot be transported to the site, so that large errors are easily caused, and the installation precision is affected; thirdly, the whole bolt is adopted to install at the later stage, so that shaking is easy to cause in the bearing state, and the whole strength is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a pneumatic conveying device.

The aim of the utility model is achieved by the following technical measures: the utility model provides a pneumatic conveying device, includes tripper, conveying pipeline, gas material separator and fan, its characterized in that: the gas-material separator is provided with a plurality of separating tanks, and the separating tanks are positioned on a frame of the separator and are connected with the frame through weighing sensors; each separating tank is provided with a feed inlet, an air outlet, a discharge opening, a filter bag and a filter bag mounting plate; the filter bag is arranged on a plate hole of the filter bag mounting plate; each separator tank serves as a separate feed;

the discharger comprises a ton package hoisting frame, a hoisting power device and a bin; the ton package hoisting frame includes two sets of sheet framves that set up side by side at least, adjacent for hold the station of ton package between the sheet frame, the sheet frame sets up for whole, multiunit the lower extreme of sheet frame is fixed subaerial, and the upper end sets up main beam and cantilever beam, and is adjacent the front end of sheet frame is empty to be set up, and the rear end sets up the back beam, the feed bin is installed in the station below, hoist and mount power device can drive ton package by front end to station top reciprocating motion, through welding together between sheet frame and main beam, back beam, the cantilever beam.

As a preferred solution, the feed inlet is connected to a metal feed conveyor pipe fixed to the frame by means of a hose.

Preferably, the load cell is connected to the frame via a damping device.

As a preferable mode, the one separation tank corresponds to a plurality of the load cells.

As a preferred solution, the feed inlet is arranged tangentially to the gas-material separator.

As a preferable scheme, the sheet frame consists of upright posts, cross beams and diagonal draw bars and is in non-detachable fixed connection.

As a preferable scheme, two ends of the diagonal draw bars are respectively and fixedly connected to the upright posts, and a plurality of diagonal draw bars are arranged in each sheet frame.

As a preferable mode, the main beam is arranged along the arrangement direction of the plurality of groups of the sheet frames.

As a preferable scheme, the length of the main beam is equal to the length of the plurality of groups of sheet frames in the arrangement direction, and the plurality of groups of sheet frames are connected to the main beam.

As a preferable scheme, two main cross beams are arranged and are mutually parallel, and the two main cross beams are respectively positioned at the top of the front end and the top of the rear end of the sheet frame.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages that: the feeding of the PVC powder and the calcium powder is respectively completed by arranging different separating tanks, so that the problems of low efficiency and high strength of manual feeding can be avoided, and the problem that the quality of a transparent PVC hose is influenced by the feeding of the same tank can be avoided;

an elastic device is arranged between the weighing sensor and the frame, so that the weighing sensor can be buffered, the weighing sensor is protected, vibration of the separating tank and the weighing sensor can be reduced, and the weighing accuracy is improved;

by arranging the integral sheet frame, the rest main beam and the back beam can be welded during assembly, the assembly is simple, the sheet frame is in modularized arrangement, stock can be produced in advance, and the sheet frame can be directly transported to site for installation during use, so that the progress can be effectively accelerated, and the efficiency is improved; the whole sheet frame is in non-detachable connection, and the sheet frame, the main beam and the back beam are welded on site, so that the whole strength is ensured, and the whole sheet frame is convenient to disassemble, assemble and transport; the dimensions of sheet frame, back beam and pull rod are all fixed in this patent, can carry out the processing in advance, only the size of main beam need be according to the quantity change of station, consequently, only need process main beam as required can, other all be modular standard components, be favorable to processing and equipment like this, can improve holistic processing installation accuracy and standardization level.

The utility model is further described below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a gas-material separator of a pneumatic conveying device.

Fig. 2 is a schematic diagram of a partial enlarged structure of a gas-material separator of a pneumatic conveying apparatus according to the present utility model.

Fig. 3 is a schematic diagram of the unloader of a pneumatic conveying apparatus according to the present utility model.

Fig. 4 is a schematic view of the front view of the discharger of the pneumatic conveying apparatus of the present utility model.

Fig. 5 is a schematic diagram of a ton package lifting frame structure of a pneumatic conveying device.

Fig. 6 is a schematic view of a front view structure of a ton bag lifting frame of a pneumatic conveying device.

Fig. 7 is a schematic diagram of a film frame structure of a pneumatic conveying apparatus according to the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-7, a pneumatic conveying apparatus comprises a discharger, a conveying pipe 2, a gas-material separator and a blower. The gas-material separator is connected with the discharger through a material conveying pipe 2. The gas-material separator is provided with a plurality of separating tanks 1, and the separating tanks 1 are positioned on a frame 5 of the separator and are connected with the frame 5 through weighing sensors 4; each separating tank 1 is provided with a feed inlet 12, an air outlet 13, a discharge opening 14, a filter bag and a filter bag mounting plate; the filter bag is arranged on a plate hole of the filter bag mounting plate; each separator tank serves as a separate feed.

The feed inlet 12 is connected to the feed conveyor pipe 2 fixed to the frame 5 by means of a hose. The material conveying pipe 2 is a metal material conveying pipe, and the other end of the metal material conveying pipe is connected with the discharger. The length of the hose 15 that the metal conveying pipeline vertically sets up, the length of the hose 15 that significantly reduces makes the hose 15 reduce and obtain fixedly under the effect of metal conveying pipeline to reduce the motion of hose, make the raw materials put into the residual volume unanimous at every turn in the hose, thereby make the material loading volume of raw materials the same at every turn, improve the quality of finished product.

As shown in fig. 1-2, in this embodiment, the separation tank 1 is in a tank shape, or may be in a box shape, a barrel shape, or the like, and the separation tank 1 is provided with two separation tanks for respectively containing PVC powder and calcium powder, or may be provided with three or four separation tanks for containing other auxiliary materials. In this embodiment, the two separation tanks 1 are mounted side by side on the frame 5, or may be mounted separately or in a staggered manner. The upper portion of knockout drum 1 is provided with feed inlet 12 for feeding, and the lower part is provided with discharge opening 14 for the ejection of compact, and discharge opening 14 department is provided with the switch, and in this embodiment, the switch is electromagnetic switch, and the precision is high, easy control. When only transparent PVC hose is produced, the switch of the separating tank 1 for calcium powder feeding is closed, and when opaque PVC hose is produced, the switch of both separating tanks 1 is opened.

In this embodiment, a plurality of connecting seats 7 are installed along circumference to knockout drum 1, and the connecting seat 7 bottom is connected with weighing sensor 4, and connecting seat 7 and weighing sensor 4 one-to-one setting, in this embodiment, connecting seat 7 are provided with three, along knockout drum 1 circumference equipartition, and correspondingly, weighing sensor 4 also is provided with three, also can set up other quantity connecting seat 7. An elastic device 6 is further installed between the weighing sensor 4 and the frame 5, the elastic device 6 can be one of a spring, an elastic pad, an elastic sheet, a rubber pad and a plastic pad, so long as the buffer effect can be achieved, all the elastic devices 6 corresponding to the same separating tank 1 are identical in material and shape and size, and the consistency of all the weighing sensors 4 corresponding to the separating tank 1 is guaranteed. In this embodiment, the elastic device 6 is a rubber pad, and the elastic device 6 is cylindrical, or may be configured in other shapes as needed. Through installing resilient means 6 between weighing sensor 4 and frame 5, both can play the cushioning effect to weighing sensor 4, protection weighing sensor 4 can alleviate the vibration of knockout drum 1 and weighing sensor 4 again, improves the precision of weighing.

As shown in fig. 2, one side of the connecting seat 7 is provided with an arc surface which is attached to the separating tank 1, and is fixedly connected with the separating tank 1, the other side of the connecting seat is provided with a flat plate, the connecting seat is connected with the weighing sensor 4 through a first mounting plate 8, the first mounting plate 8 is also provided with a flat plate, and the weighing sensor 4 is arranged below the first mounting plate 8. The lower part of the weighing sensor 4 is arranged on the second mounting plate 9, the second mounting plate 9 is also a flat plate, and the upper end and the lower end of the weighing sensor 4 are respectively fixed on the first mounting plate 8 and the second mounting plate 9 through bolts. A guide post 10 is further arranged between the first mounting plate 8 and the second mounting plate 9, each weighing sensor 4 is correspondingly provided with two guide posts 10, the two guide posts 10 are respectively arranged on two sides of each weighing sensor 4, the upper ends of the guide posts 10 are connected with limit bolts, the lower ends of the guide posts penetrate through the first mounting plate 8 and the second mounting plate 9 in sequence, the length of the guide posts 10 is larger than the distance between the first mounting plate 8 and the second mounting plate 9, and the guide posts 10 are used for guiding.

As shown in fig. 2, the elastic devices 6 are disposed below the second mounting plate 9, in this embodiment, each weighing sensor 4 is correspondingly provided with two elastic devices 6, and the two elastic devices 6 are respectively disposed on two sides of the weighing sensor 4, so that buffering of the weighing sensor 4 can be balanced.

The lower extreme of resilient means 6 is installed on frame 5 through third mounting panel 11, and third mounting panel 11 is dull and stereotyped setting, and the downside is laminated with frame 5, and the upside is laminated with the bottom of resilient means 6.

In this embodiment, the feed opening 12 is arranged tangentially to the separator tank 1.

As shown in fig. 3-7, the discharger comprises a ton package hoisting frame 16, a hoisting power device 17 and a storage bin 18, wherein the discharge end of the storage bin 18 is connected with the conveying pipe 2, the ton package hoisting frame 16 comprises at least two groups of sheet frames 19 arranged side by side, and a station for containing ton packages is arranged between every two adjacent sheet frames 19. A silo 18 is mounted below the station. In this embodiment, three sets of the sheet frames 19 are provided, and correspondingly, two stations are provided, or the sheet frames 19 may be provided in other sets, for example, two sets, so that there is one corresponding station, three stations if the sheet frames 19 are provided in four sets, and so on. The lower end of the sheet frame 19 is fixed on the ground through a ground mat, and the upper end of the sheet frame 19 is connected through a main beam 20. The station is set towards one end opening for replacement of materials, in this embodiment, the open end of the station is defined as the front end. Thus, the front ends of the adjacent frames 19 are arranged in a free manner, and the rear ends are connected by the back beams.

As shown in fig. 7, the sheet frame 19 is integrally provided, the shape and the size of the sheet frame 19 are completely consistent, the sheet frame 19 is a finished product which is processed in advance, the blanking of the sheet frame 19 is performed on a laser cutting machine, the error is small, the precision is high, and the machining is finished on a corresponding tool, so that the processed sheet frame 19 is completely consistent in size, the error caused by the problem of field processing equipment is avoided, the sheet frame 19 can be used for processing stock, and the rest main beam 20 and the back beam are connected during field assembly, so that the assembly is simple, the progress can be effectively accelerated, and the efficiency is improved.

As shown in fig. 7, in this embodiment, the sheet frame 19 is composed of an upright post 21, a cross beam 22 and a diagonal draw bar 23, and is in non-detachable fixed connection, in this embodiment, the upright post 21 and the cross beam 22 are enclosed into a rectangular arrangement, and can be set into other shapes as required by welding and fixing, two ends of the diagonal draw bar 23 are respectively and fixedly connected to the upright post 21, and the diagonal draw bar 23 and the upright post 21 are also welded and fixed, so that the overall strength of the finally formed sheet frame 19 is high. The diagonal draw bars 23 in each sheet frame 19 are provided with a plurality of diagonal draw bars 23 for improving the overall strength, ensuring that deformation does not occur, in this embodiment, the diagonal draw bars 23 are provided with two, for the slope setting, can also set up diagonal draw bars 23 of other directions, angles according to specific conditions, as long as the overall strength is ensured.

As shown in fig. 4-6, the main beams 20 are arranged along the arrangement direction of the multiple groups of the sheet frames 19, in this embodiment, two main beams 20 are arranged in parallel, and the specification and the size of the two main beams are identical, the two main beams 20 are respectively located at the top of the front end and the top of the rear end of the sheet frame 19, the main beams 20 are fixedly connected with the sheet frame 19, in this embodiment, welding is adopted, and other modes of connection can also be adopted. The length of the main cross beam 20 is equal to the length of the plurality of groups of sheet frames 19 in the arrangement direction, namely, each main cross beam 20 is an integral body, so that the plurality of groups of sheet frames 19 are connected to the main cross beam 20, and the integral stability can be ensured. During construction, the number of the sheet frames 19 is set according to the requirements of the stations, and then the length of the main cross beam 20 is determined according to the overall occupied length of the sheet frames 19.

As shown in fig. 4-6, the main beams 20 are provided with cantilever beams 24, the cantilever beams 24 are perpendicular to the two main beams 20, and the hoisting power device 17 is mounted on the cantilever beams 24 and used for conveying ton bags to the upper part of the storage bin 18, and in this embodiment, the hoisting power device 17 is an electric hoist. The electric hoist is mounted on the cantilever beam 24, and the ton package is hoisted by a hanging bracket.

As shown in fig. 3 and 5, one end of the cantilever beam 24 extends out of the main beam 20 towards the front end, and the extending ends of the adjacent cantilever beams 24 are provided with anti-torsion beams 28 for connection, so that the connection strength of the cantilever beams 24 can be effectively enhanced, and the cantilever beams 24 are prevented from being twisted in the hoisting process. In this embodiment, the torsion beam 28 is in a straight rod shape, and the torsion beam 28 may be curved. In the present embodiment, one torsion preventing beam 28 may be provided, or a plurality thereof may be provided.

As shown in fig. 4-6, the back beams include a first back beam 25 located in the middle and a second back beam 26 located in the lower, in this embodiment, the first back beam 25 and the second back beam 26 are both disposed along the horizontal direction, and the first back beam 25 and the second back beam 26 are both fixedly connected with the adjacent sheet frame 19, in this embodiment, welding is adopted, and other connection manners may also be adopted. The first cross beam 22 and the second cross beam 22 are further connected with a pull rod 27, the pull rod 27 is obliquely arranged, one end of the pull rod 27 is connected with the first back beam 25, the other end of the pull rod 27 is upwards or downwards connected with the sheet frame 19, a plurality of pull rods 27 are arranged between the adjacent sheet frames 19, in the embodiment, four pull rods are symmetrically arranged, and other numbers can be arranged according to actual conditions. One end of the pull rod 27, which is close to the first back beam 25, is connected with a tensioner, the pull rod 27 is connected with the first back beam 25 through the tensioner, and the length of the tensioner can be adjusted according to specific conditions.

In this embodiment, two stations are provided, three groups of the sheet frames 19 are provided, the open ends of the two stations are consistent, and the open ends of the two stations can also be set inconsistent, so that the installation of the sheet frames 19 and the main beam 20 is unchanged, and only the connection positions of the back beams and the pull rods 27 corresponding to the two stations are correspondingly changed.

In the installation, the required number of the sheet frames 19, the length of the main beam 20 and the number of the back beams and the pull rods 27 are determined according to the set stations in advance, and the sheet frames, the main beam 20 and the number of the back beams and the pull rods 27 are directly conveyed to the site for installation. And in this patent, the dimensions of sheet frame 19, back beam and pull rod 27 are all fixed, can carry out the processing in advance, only the size of main beam 20 need be according to the quantity change of station, consequently, only need process main beam 20 as required can, other all are modular standard components, are favorable to processing and equipment like this, can improve holistic processing installation accuracy and standardization level.

Claims

1. The utility model provides a pneumatic conveying device, includes tripper, conveying pipeline, gas material separator and fan, its characterized in that: the gas-material separator is provided with a plurality of separating tanks, and the separating tanks are positioned on a frame of the separator and are connected with the frame through weighing sensors; each separating tank is provided with a feed inlet, an air outlet, a discharge opening, a filter bag and a filter bag mounting plate; the filter bag is arranged on a plate hole of the filter bag mounting plate; each separator tank serves as a separate feed;

2. A pneumatic conveying apparatus according to claim 1, wherein: the feed inlet is connected with a metal conveying pipe fixed on the frame through a hose.

3. A pneumatic conveying apparatus according to claim 1, wherein: the load cell is connected to the frame by a cushioning device.

4. A pneumatic conveying apparatus according to claim 1, wherein: the one separating tank corresponds to a plurality of weighing sensors.

5. A pneumatic conveying apparatus according to claim 1, wherein: the feed inlet is arranged along the tangential direction of the gas-material separator.

6. A pneumatic conveying apparatus according to any one of claims 1 to 5, wherein: the sheet frame consists of upright posts, cross beams and diagonal draw bars and is in non-detachable fixed connection.

7. A pneumatic conveying apparatus according to claim 6, wherein: the two ends of the diagonal draw bars are respectively and fixedly connected to the upright posts, and a plurality of diagonal draw bars are arranged in each sheet frame.

8. A pneumatic conveying apparatus according to claim 7, wherein: the main cross beam is arranged along the arrangement direction of the plurality of groups of sheet frames.

9. A pneumatic conveying apparatus according to claim 8, wherein: the length of the main cross beam is equal to the length of the plurality of groups of sheet frames in the arrangement direction, and the plurality of groups of sheet frames are connected to the main cross beam.

10. A pneumatic conveying apparatus according to claim 8, wherein: the two main cross beams are arranged in parallel, and are respectively positioned at the top of the front end and the top of the rear end of the film frame.