CN110202711B

CN110202711B - Feed mechanism for feeding

Info

Publication number: CN110202711B
Application number: CN201910576684.2A
Authority: CN
Inventors: 曹玉; 毛潞
Original assignee: Chongqing Ruiting Plastic Co Ltd
Current assignee: Chongqing Ruiting Plastic Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2021-04-16
Anticipated expiration: 2039-06-28
Also published as: CN110202711A

Abstract

The invention relates to the technical field of plastic film production, and particularly discloses a material distribution mechanism for feeding, which comprises a rack, a material distribution pipe, a measuring tank and a transfer metering cylinder, wherein the material distribution pipe is communicated with the transfer metering cylinder, a main material pipe is connected between the transfer metering cylinder and the measuring tank, a negative pressure unit is connected onto the material distribution pipe, a first valve is connected between the material distribution pipe and the transfer metering cylinder, a second valve is arranged on the main material pipe, and weighing units are arranged in the transfer metering cylinder and the measuring tank. This scheme has solved among the prior art and has appeared joining in marriage the problem of mistake easily through artifical batching through setting up transfer metering cylinder, main material pipe and weighing unit.

Description

Feed mechanism for feeding

Technical Field

The invention relates to the technical field of plastic film production, in particular to a material distributing mechanism for feeding.

Background

In the production process of the film, various additives are required to be added into the raw material resin to improve the performance of the film, so that the film is suitable for the requirements of processing and product performance; the film is produced by adding auxiliary materials such as heat stabilizer, processing modifier, impact modifier, lubricant, light stabilizer and the like, wherein the addition amount of the auxiliary materials is 0.1-10% of that of the raw material resin (main material), but the respective functions of the auxiliary materials are very important.

In the prior art, the main materials and the auxiliary materials are weighed according to a certain proportion by manpower, then poured into a stirrer for stirring, and finally conveyed into a charging barrel of an extruder, but in the traditional mode, as the auxiliary materials are more but less, workers must concentrate on the batching process, so that the situation of wrong proportioning of the raw materials is easy to occur, and after the proportioning is finished, the whole weight is difficult to weigh again, so that the problem of the batching at the end cannot be judged; in addition, the main materials and the auxiliary materials are weighed in a centralized manner at one time, so that various subsequent auxiliary materials are difficult to be uniformly mixed with the main materials.

Disclosure of Invention

The invention aims to provide a material distributing mechanism for feeding, which solves the problem that the material is easily mistakenly distributed through manual material distribution in the prior art.

In order to achieve the above object, the basic scheme of the invention is as follows:

feed mechanism for feeding includes frame, divides the material pipe and gets the jar with the volume, still includes a transfer metering cylinder, divides material pipe and a transfer metering cylinder intercommunication, and a transfer metering cylinder is connected with the main material pipe with the volume between getting the jar, divides to be connected with the negative pressure unit on the material pipe, divides to be connected with valve one between material pipe and the transfer metering cylinder, is equipped with valve two on the main material pipe, all is equipped with the weighing unit in a transfer metering cylinder and the volume is got the jar.

Compare the beneficial effect in prior art:

when this scheme of adoption, will need the total weight of ratio raw materials (finally put into the total weight of getting major ingredient and auxiliary material in jar of volume) to fall into a plurality of parts and mix the raw materials, calculate the weight of each component that needs to contain in every part mixes the raw materials again, the weight of each component gets into in the transfer metering cylinder in proper order through branch material pipe and valve under the effect of negative pressure unit and weighs, when the weight that the weighing unit in the transfer metering cylinder shows is every required weight, open valve two, raw materials in the transfer metering cylinder get into the volume through the major ingredient pipe and get in the jar, the accuracy of ratio is confirmed once more to the weight change that weighing unit shows in the volume jar.

This scheme will need the total weight of ratio to fall into a plurality of parts and add to get the jar in, compare in prior art and compare through the condition of the ratio of once weighing of manual work, the ratio of this scheme has fallen into a plurality of parts and has mixed the raw materials, and every weigh a mixed raw materials and can both directly judge through the weighing unit in the transfer metering cylinder whether accurate of weighing, and judge the accuracy of weighing once more through the change condition of weighing the weighing unit weight in jar, therefore the accuracy of ratio can improve, the probability of raw materials proportion mistake has been reduced.

In addition, the raw materials of this scheme have been divided into a plurality of parts and have been mixed raw materials, and the proportion of major ingredient and auxiliary material that contains in every part of mixed raw materials is all the same, and then makes the raw materials that weigh just have carried out preliminary mixing, compares in prior art and has reduced the compounding degree of difficulty of follow-up raw materials, and the raw materials can mix ground more evenly in follow-up mixing.

Further, still include the air-blower, the transfer metering section of thick bamboo communicates with the air-blower.

The material metering device has the advantages that the material in the transfer metering cylinder is conveyed into the measuring tank through the second valve by the air blower, and the operation is simple.

Further, the first valve and the second valve are both pressure valves; the pressure valve has mature technology and accurate control.

Further, the side wall of the transfer metering cylinder is transparent.

The transparent transfer metering cylinder has the beneficial effects that the transparent transfer metering cylinder is convenient for workers to directly observe the conditions in the transfer metering cylinder, so that the situation can be quickly found and timely treated when the overstock of raw materials occurs in the transfer metering cylinder.

Furthermore, the transparent side wall of the transfer metering cylinder is provided with scale marks.

The method has the advantage of facilitating direct observation of the variable quantity of the raw materials.

Further, still include the stirring unit, the stirring unit includes driver, pivot and stirring piece, and the driver drives the pivot and rotates, and the stirring piece rotates to be connected in the pivot, is equipped with the recess in the pivot, and the stirring piece is located the recess.

The stirring piece can be in a nearly horizontal state under the inertia effect when rotating along with the rotating shaft, so that the raw materials are conveniently cut and stirred; and when the pivot stopped, the rotation of stirring piece also stopped thereupon, and the stirring piece returns the recess under self action of gravity in, and then makes on the stirring piece can not stop there be the raw materials, ensures to get the accuracy that weighing unit weighed in the jar.

Furthermore, the stirring unit also comprises an unfolding component, the unfolding component comprises a fixing ring and a sliding ring, the fixing ring is fixedly connected to the rotating shaft, and the sliding ring is connected to the fixing ring in a sliding manner along the height direction of the rotating shaft; the fixed ring is rotatably connected with a support umbrella rib, the sliding ring is rotatably connected with a main umbrella rib, the support umbrella rib is rotatably connected with the main umbrella rib, the main umbrella rib is provided with umbrella cloth, and the umbrella cloth is provided with a plurality of openings.

The umbrella cloth measuring device has the beneficial effects that when the sliding ring moves close to the fixed ring, the main umbrella ribs are close to the branch umbrella ribs, so that the umbrella cloth is spread, the spread umbrella cloth can rotate along with the rotating shaft, and then raw materials falling onto the umbrella cloth are uniformly scattered into the measuring tank, so that the main materials and the auxiliary materials are more uniformly mixed.

Furthermore, the unfolding component also comprises a sliding plate and an electromagnet, the sliding plate is made of ferromagnetic materials, an elastic part is fixedly connected between the sliding plate and the electromagnet, the electromagnet is fixedly connected to the rack, the sliding plate is connected to the rack in a sliding mode along the height direction of the rotating shaft, the sliding plate is located above the fixed plate, and the sliding plate can abut against the sliding ring.

The electromagnetic force measuring device has the advantages that the electromagnet generates magnetic force after being electrified to attract the sliding plate, the rain sliding rings abut against each other in the moving process of the sliding plate, the umbrella cloth is spread through the sliding rings, the function of controlling the measuring of the in-tank unfolding component outside the measuring tank is achieved, the structure is simple, and the control is convenient.

Further, a power switch of the driver is connected with a power switch of the electromagnet in series.

When the driver is started, the electromagnet is also electrified, so that the sliding plate is attracted to move downwards, and the main umbrella ribs and the umbrella cloth are spread by the sliding plate through the sliding ring; when the driver stops, the electromagnet is powered off, the main umbrella ribs and the umbrella cloth lose the pressing of the sliding plate and automatically recover to a furled state under the action of gravity, and the synchronism of the opening of the umbrella cloth and the starting of the driver is realized.

Further, the umbrella cloth is made of wear-resistant cloth; the wear-resisting cloth has good wear resistance, and the raw material and the umbrella cloth can not be broken after being rubbed for many times, so that the service life of the stirring unit is relatively prolonged.

Drawings

FIG. 1 is a front view of a first embodiment of the present invention;

FIG. 2 is a front sectional view of a second measuring tank of the present invention when the umbrella cloth is unfolded;

FIG. 3 is a front sectional view of a second embodiment of the present invention when the umbrella cloth in the measuring tank is folded;

FIG. 4 is an enlarged view of part A of the second embodiment of the present invention shown in FIG. 2;

FIG. 5 is a top view of the connection between the stirring plate and the rotating shaft when the stirring plate is in a horizontal position according to the second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a rack 1, a material distributing pipe 2, a transfer metering cylinder 3, a main material pipe 4, a measuring tank 5, an air blower 6, a valve I7, a valve II 8, a driving motor 9, a rotating shaft 10, a stirring sheet 11, a groove 12, a fixing ring 13, a sliding ring 14, a sliding plate 15, an electromagnet 16, a support umbrella rib 17, a main umbrella rib 18 and a spring 19.

Example one

An embodiment substantially as shown in figure 1:

feed mechanism for feeding includes frame 1, divides material pipe 2, transfer metering cylinder 3, main material pipe 4, volume jar 5 and air-blower 6 of getting, divides the quantity of material pipe 2 to have many, divides the quantity of material pipe 2 the same with the main material that needs the ratio and the total of auxiliary material kind.

The measuring tank 5 is installed on the rack 1 through bolts, the left end of the material distributing pipe 2 is communicated with the bottom of a raw material storage bin, and the right end of the material distributing pipe 2 is communicated with the transfer metering cylinder 3 through a first valve 7; a second valve 8 is arranged at the lower part of the transfer metering cylinder 3, the left end of the main material pipe 4 is connected with the second valve 8, the right end of the main material pipe 4 is communicated with the measuring tank 5, the bottom of the measuring tank 5 is connected with a pipeline for discharging, and the raw materials in the measuring tank 5 are conveyed into a special stirring cylinder through the pipeline for stirring; each material distributing pipe 2 is connected with a negative pressure material pumping pump, and the negative pressure material pumping pump is used for pumping the raw materials in the storage bin into the transfer metering cylinder 3; the first valve 7 and the second valve 8 are pressure valves.

The vertical setting of transfer metering cylinder 3, weighing ware is all installed to transfer metering cylinder 3 and measurement 5 bottoms, and 3 tops of transfer metering cylinder communicate air-blower 6.

The side wall of the transfer metering cylinder 3 is transparent, and scale marks are printed on the transparent side wall of the transfer metering cylinder 3.

The specific implementation process is as follows:

in the initial state, the transfer metering cylinder 3 and the measuring tank 5 are both empty.

When the raw materials are required to be proportioned, the total weight of the raw materials required to be proportioned (the total weight of the main material and the auxiliary material which are finally put into the measuring tank 5) is divided into a plurality of mixed raw materials, and then the weight of each component (the main material and the auxiliary material) required to be contained in each mixed raw material is calculated.

Then, starting a negative pressure pumping pump to enable the raw materials to enter the material distribution pipe 2 from the storage bin under the action of negative pressure, increasing the pressure of an output port of the negative pressure pumping pump to enable a first valve 7 correspondingly connected to the material distribution pipe 2 to be opened, enabling the raw materials to enter the transfer metering cylinder 3 for weighing, stopping the negative pressure pumping pump after the weighed weight meets the requirement, and reducing the pressure on the first valve 7 to further automatically close the first valve; other raw materials in the same mixed raw material all adopt the same mode and enter into transfer metering cylinder 3 in proper order from corresponding storage silo and branch material pipe 2 and weigh.

When the weight displayed by the weighing device in the transfer metering cylinder 3 is the weight required by each mixed raw material, the air blower 6 is turned on, so that the pressure in the transfer metering cylinder 3 is increased, the valve II 8 is automatically opened, the mixed raw materials in the transfer metering cylinder 3 enter the measuring tank 5 through the valve II 8 and the main material pipe 4, and then the proportioning accuracy is confirmed again through the weight change displayed by the weighing unit in the measuring tank 5.

The total weight that this embodiment will need the ratio divide into in a plurality of parts mixed raw materials adds the jar 5 of getting, and every weighs a mixed raw materials and can both directly judge through the weighing device in the transfer metering cylinder 3 whether accurate weighing to judge the accuracy of weighing again through the change condition of weighing device weight in the jar 5 of getting, therefore the accuracy of ratio can improve, has reduced the probability of raw materials proportion mismatching.

In addition, the raw materials of this embodiment have been divided into a plurality of parts mixed raw materials, and the proportion of major ingredient and the auxiliary material that contains in every part mixed raw materials is all the same, and then makes the raw materials that weigh just carried out preliminary mixing, has reduced the compounding degree of difficulty of follow-up raw materials, and the raw materials can mix ground more evenly in follow-up mixing.

In addition, the lateral wall of transfer metering section of thick bamboo 3 is transparent, and the staff of being convenient for directly observes the condition in the transfer metering section of thick bamboo 3, and then can discover and handle fast when the raw materials backlog appears in the transfer metering section of thick bamboo 3.

Example two

The second embodiment is basically as shown in the attached fig. 2 to 5, and the second embodiment is added with a stirring unit on the basis of the first embodiment.

Combine fig. 2, the stirring unit includes driving motor 9, pivot 10, stirring piece 11 and expansion subassembly, the vertical setting of pivot 10, and driving motor 9's output shaft passes through screw fixed connection with pivot 10, and stirring piece 11 articulates in pivot 10, and stirring piece 11 divide into about two-layer, and every layer of quantity of stirring piece 11 is three, and integrated into one piece has the recess 12 of vertical setting in the pivot 10, and stirring piece 11 can be located recess 12.

With reference to fig. 4, the unfolding assembly comprises a fixed ring 13 and a sliding ring 14 which are positioned in the measuring tank 5, and a sliding plate 15 and an electromagnet 16 which are positioned outside the measuring tank 5, wherein the fixed ring 13 is welded on the rotating shaft 10, and the sliding ring 14 is vertically connected to the fixed ring 13 in a sliding manner; the fixed ring 13 is hinged with a supporting umbrella rib 17, the sliding ring 14 is hinged with a main umbrella rib 18, the supporting umbrella rib 17 is hinged with the main umbrella rib 18, the main umbrella rib 18 is provided with wear-resistant umbrella cloth, and the umbrella cloth is provided with a plurality of openings (the main umbrella rib 18, the supporting umbrella rib 17, the fixed ring 13 and the sliding ring 14 form an umbrella framework similar to an umbrella).

The sliding plate 15 is made of ferromagnetic materials, a spring 19 is fixedly connected between the sliding plate 15 and the electromagnet 16, the electromagnet 16 is fixedly connected to the rack 1 through a screw, the sliding plate 15 is vertically and slidably connected to the rack 1 through a sliding chute, the sliding plate 15 is located above the fixed plate, the sliding plate 15 can abut against the sliding ring 14, and a ball (not shown in the figure) for reducing friction is arranged on the end face of the sliding plate 15 abutting against the sliding ring 14.

The power switch of the drive motor 9 is connected in series with the power switch of the electromagnet 16.

The specific implementation process is as follows:

when the stirring unit is not in operation, the umbrella cloth is folded in an initial state as shown in fig. 3, and the stirring blades 11 are positioned in the grooves 12 under the action of gravity.

When the raw materials enter the measuring tank 5 from the main material pipe 4, the driving motor 9 is started, the motor rotates, the electromagnet 16 is powered on, the sliding plate 15 is attached to the electromagnet 16 under the action of attraction force, the sliding plate 15 moves downwards and presses the sliding ring 14, the sliding ring 14 moves downwards and then drives the main umbrella ribs 18 to move downwards, the whole umbrella cloth is gradually unfolded, the state shown in figure 2 is achieved, and the unfolded umbrella cloth rotates along with the rotating shaft 10.

The driving motor 9 continues to rotate, the stirring blades 11 on the rotating shaft 10 change from a vertical state (the state of fig. 3) located in the grooves 12 to a nearly horizontal state (as shown in fig. 2 and 4) by inertia, and the stirring blades 11 rotate together with the rotating shaft 10.

Raw materials fall to strutting and rotatory umbrella cloth on, on some raw materials see through the trompil on the umbrella cloth and directly fall to stirring piece 11, with rotatory stirring piece 11 striking, stirring piece 11 has formed the cutting to the raw materials equivalently, and then makes raw materials granule diminish, has also stirred the raw materials of whereabouts simultaneously, and the raw materials of ratio is thin again on one side and is stirred again for the mixture of major ingredient and auxiliary material is more even in the raw materials.

The raw materials part that falls on the umbrella cloth rotates along with the umbrella cloth to in rotatory process from the trompil whereabouts or directly throw away from the umbrella cloth edge, make the raw materials can evenly fall to getting the jar 5 in, further increased raw materials and stirring vane 11's contact probability, raw materials distributes more evenly simultaneously, further is favorable to the homogeneity that major ingredient and auxiliary material mix in the raw materials.

When driving motor 9 stopped the stirring, electro-magnet 16 cuts off the power supply, sliding plate 15 rebound under spring 19's elasticity effect, slip ring 14 loses pressing of sliding plate 15, and then draw in under main rib 18 and umbrella cloth self action of gravity, stirring vane 11 rotates downwards under action of gravity in recess 12, the stirring unit resumes initial condition, the raw materials that are located on the umbrella cloth and the raw materials on stirring vane 11 can fall to the bottom of getting jar 5 under action of gravity, avoid influencing the condition emergence of weighing result because of the raw materials is located the stirring unit.

In the second embodiment, the measuring tank 5 is used only as a measuring tank for measuring, and the measuring tank 5 also has a function of stirring the raw material.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Feed mechanism for feeding is got jar, its characterized in that including frame, branch material pipe and volume: the device comprises a material distribution pipe, a material weighing tank, a material distribution pipe, a material weighing tank and a weighing unit, wherein the material distribution pipe is communicated with the material distribution pipe; the stirring device is characterized by further comprising a stirring unit, wherein the stirring unit comprises a driver, a rotating shaft and a stirring sheet, the driver drives the rotating shaft to rotate, the stirring sheet is rotatably connected to the rotating shaft, a groove is formed in the rotating shaft, the stirring sheet is positioned in the groove, the stirring unit further comprises an unfolding assembly, the unfolding assembly comprises a fixing ring and a sliding ring, the fixing ring is fixedly connected to the rotating shaft, and the sliding ring is slidably connected to the fixing ring along the height direction of the rotating shaft; the fixed ring is rotatably connected with a support umbrella rib, the sliding ring is rotatably connected with a main umbrella rib, the support umbrella rib is rotatably connected with the main umbrella rib, the main umbrella rib is provided with umbrella cloth, and the umbrella cloth is provided with a plurality of openings.

2. The feed mechanism of claim 1, wherein: the transfer metering cylinder is communicated with the air blower.

3. The feed mechanism of claim 1, wherein: the first valve and the second valve are both pressure valves.

4. The feed mechanism of claim 1, wherein: the side wall of the transfer metering cylinder is transparent.

5. The feed mechanism of claim 4, wherein: and the transparent side wall of the transfer metering cylinder is provided with scale marks.

6. The feed mechanism of claim 1, wherein: the unfolding component further comprises a sliding plate and an electromagnet, the sliding plate is made of ferromagnetic materials, an elastic piece is fixedly connected between the sliding plate and the electromagnet, the electromagnet is fixedly connected to the rack, the sliding plate is connected to the rack in a sliding mode along the height direction of the rotating shaft, the sliding plate is located above the fixing plate, and the sliding plate can abut against the sliding ring.

7. The feed mechanism of claim 6, wherein: and the power switch of the driver is connected with the power switch of the electromagnet in series.

8. The feed mechanism of claim 6, wherein: the umbrella cloth is made of wear-resistant cloth.