Closed feeding device

Abstract

The utility model relates to a closed feeding device which comprises a material storage tank, a conveying pipeline is arranged at the bottom of the material storage tank, a feeding assembly is arranged in the conveying pipeline and comprises a pipe chain horizontally arranged in the conveying pipeline, a plurality of discs are sequentially arranged on the pipe chain at intervals, and connecting bases are further arranged on the two sides of the conveying pipeline respectively. Chain wheels are arranged in the connecting seats, a servo motor is further arranged on the top face of one connecting seat, and the output end of the servo motor extends into the connecting seat and is in transmission connection with the chain wheels; a discharging pipe is further arranged on the conveying pipeline, and a temporary storage box is arranged at the bottom of the discharging pipe; the pipe chain conveying device is improved on the basis of existing pipe chain conveying equipment, a detachable clamping structure is adopted to replace a bolt structure in an existing pipe chain, the stability of a clamping part can be ensured, the splicing and disassembling steps of the pipe chain conveying device can be simplified, operation of the pipe chain conveying device is simpler and more convenient, and the connecting strength of the pipe chain conveying device cannot be affected even though repeated disassembling and assembling are conducted.

Description

TECHNICAL FIELD

[0001] The utility model relates to closed conveying equipment technical field, concretely relates to a closed feeding device. BACKGROUND

[0002] When producing some powder products, in order to avoid mixing dust or sundries in the conveying process, therefore, sealed conveying mode is used for transportation, and the more common sealed conveying mode includes conveying belt, pneumatic conveying and pipe chain conveying etc.

[0003] Among them, pipe chain conveying is a sectional assembly into a whole pipe structure, so it is easy to seal, and the sealing is very good, and can achieve complete sealing effect, compared with the other two conveying modes, pipe chain structure is compact, and material deposition is small in the conveying process, and conveying efficiency is relatively high, because the internal structure of pipe chain machine is simple, and the internal structure part is treated by special process, so the service life is relatively high.

[0004] But in the pipe chain conveying structure, the chain of pipe chain is transported in the taut state, so the chain works in the taut state for a long time, which can cause abrasion or deformation, and the disc on the chain needs to be maintained or replaced regularly, the existing pipe chain structure adopts bolts to lock and fix the chain and the disc, which is difficult to disassemble and assemble, time-consuming, and can affect the normal material conveying efficiency, and repeated disassembly and assembly of the bolt can affect the connection strength in subsequent use. UTILITY MODEL CONTENTS

[0005] Based on the above description, the utility model provides a closed feeding device to solve the problem that the existing pipe chain structure adopts bolts to connect the chain and the disc, which is difficult to disassemble and assemble, inconvenient to maintain, and can affect the structural strength in subsequent use.

[0006] The utility model is implemented by the following technical solutions:

[0007] A closed feeding device, comprising a storage tank, the bottom of the storage tank is provided with a conveying pipeline, the conveying pipeline is internally provided with a feeding assembly, the feeding assembly comprises a pipe chain arranged horizontally in the conveying pipeline, a plurality of discs are sequentially and spacedly arranged on the pipe chain, the conveying pipeline is further provided with a connecting seat on each side, the connecting seat is internally provided with a chain wheel, the top surface of one of the connecting seats is further provided with a servo motor, the output end of the servo motor extends into the connecting seat and is in transmission connection with the chain wheel, the conveying pipeline is further provided with a discharging pipe, and the bottom of the discharging pipe is provided with a temporary storage box.

[0008] Further, the conveying pipe is arranged in two and at the same horizontal level, and the two ends of the two conveying pipes are connected to the connecting seat in communication, and the pipe chain forms a ring structure inside the conveying pipe and the connecting seat.

[0009] Further, the sprocket is circular and arranged with a plurality of driving shafts on the outer sidewall, and the end of each driving shaft is provided with an arc-shaped protrusion, which is clamped on the through hole of the pipe chain and makes the pipe chain partially unfolded into a semicircular structure.

[0010] Further, the pipe chain is arranged as an iron chain, and the end of the pipe chain arranged near the two sides of the disc is provided with a through hole, and a pin is slidingly inserted into the through hole, and the two ends of the pin are respectively provided with semicircular limiting blocks, and one end of the pin extends into the disc and is locked and fixed with the limiting block at the end of the pin.

[0011] Further, the disc is hollow inside and provided with a fixing seat at the center, and the end face of the two ends of the fixing seat is provided with a plurality of rectangular sliding grooves, and the plurality of rectangular sliding grooves are arranged in a circumferential array, and each rectangular sliding groove is slidingly installed with a sliding block, and the two sides of the fixing seat are also arranged with adjusting discs at intervals, and the adjusting discs are rotatably connected with the inner wall of the disc through ball bearings, and the end face of the adjusting disc is provided with an adjusting handle and extends outward to the outside of the disc.

[0012] Further, the end face of the adjusting handle is also provided with an insertion hole, which penetrates the adjusting disc and the fixing seat in sequence along the horizontal direction and extends to the end face of the adjusting handle on the other side of the disc.

[0013] Further, the side of the adjusting disc facing the fixing seat is also provided with a limiting groove in a spiral shape, and the outward side of the sliding block is partially protruded and slidingly inserted into the limiting groove.

[0014] Further, the through hole of the end of the pipe chain is also provided with a cylindrical connecting end, which can be slidingly installed in the insertion hole.

[0015] Compared with the prior art, the technical scheme of the present application has the following beneficial technical effects:

[0016] 1. The present application is improved based on the existing pipe chain conveying equipment, and the detachable clamping structure is used to replace the bolt structure in the existing pipe chain, which not only can ensure the stability of the clamping part, but also can simplify the steps of splicing and disassembling, so that the operation is more convenient, and even if the repeated disassembly and assembly is carried out, the connection strength will not be affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the storage tank, conveying pipe and feeding assembly in the embodiment.

[0018] Figure 2 Figure 1 is a schematic diagram of the feeding assembly in the embodiment of the present application;

[0019] Figure 3 Figure 2 is a schematic diagram of the internal structure of the connecting seat in the embodiment of the present application;

[0020] Figure 4 Figure 3 is a schematic diagram of the structure of the pipe chain in the embodiment of the present application;

[0021] Figure 5 Figure 4 is a schematic diagram of the structure of the disc in the embodiment of the present application;

[0022] Figure 6 Figure 5 is a schematic diagram of the exploded structure of the disc in the embodiment of the present application;

[0023] Wherein: 1, the storage tank; 2, the conveying pipe; 21, the connecting seat; 22, the sprocket; 23, the drive shaft; 24, the arc-shaped protruding part; 25, the servo motor; 3, the feeding assembly; 31, the pipe chain; 32, the disc; 33, the fixed seat; 34, the adjusting disc; 35, the ball bearing; 36, the chute; 37, the sliding block; 38, the limiting groove; 39, the adjusting handle; 4, the temporary storage box; 5, the pin; 51, the limiting block. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0026] In combination Figures 1-6 As shown in the figure, a closed feeding device comprises:

[0027] The storage tank 1 is provided with a reverse tapered discharge port at the bottom, and a remotely controllable electronic valve is further provided at the bottom end of the discharge port to control the discharge speed and the total amount of material delivery by the staff;

[0028] The conveying pipe 2 is a circular metal pipe and is provided with two ends provided with connecting seats 21, the first two ends are connected to each other through the two connecting seats 21 to form a hairpin pipe, the top surface of one end of the feeding pipe is provided with a feeding port which is in communication with the discharge port at the bottom of the storage tank 1, and the bottom surface of the other end of the feeding pipe is provided with a discharge port;

[0029] The feeding assembly 3 is arranged inside the conveying pipe 2, and mainly comprises a pipe chain 31 and a disc 32. The disc 32 is pulled on the pipe chain 31 to force the material to be conveyed along the pipe.

[0030] The temporary storage box 4 is arranged at the bottom of the discharging port of the conveying pipe 2, and is used for temporarily storing or packing the containers.

[0031] Specifically, the inner part of the connecting seat 21 is provided with a sprocket 22 arranged at the center of the connecting seat 21 in a circular structure. A plurality of driving shafts 23 are arranged around the outer side wall of the sprocket 22. Each driving shaft 23 extends outward and is provided with an arc-shaped protruding portion 24 at the end.

[0032] The pipe chain 31 is arranged as an iron chain, that is, a plurality of metal rings are connected to each other to form a plurality of chain links. A disc 32 is arranged between every two adjacent chain links at the ends.

[0033] The arc-shaped protruding portion 24 is inserted into the annular through hole in the middle of the iron chain, so that the two ends of the pipe chain 31 arranged in a whole meandering structure are expanded to a semicircular structure. A servo motor 25 is arranged at the top of the connecting seat 21. The output end of the servo motor 25 extends inward and is fixedly connected to the center of the sprocket 22, so as to drive the whole sprocket 22 to rotate, thereby forcing the pipe chain 31 to move along the pipe direction, achieving the purpose of material conveying.

[0034] Each end of the pipe chain 31 is provided with a through hole, and a pin 5 is movably inserted into the through hole. The two ends of the pin 5 are respectively provided with hemispherical limiting blocks 51. One end of the pin 5 is inserted into the inside of the disc 32 and is locked and fixed.

[0035] The disc 32 is provided with a cavity inside. A fixing seat 33 is fixedly installed in the cavity. The two end faces of the fixing seat 33 are respectively provided with a plurality of rectangular sliding grooves 36. The plurality of rectangular sliding grooves 36 are arranged in a circular array. A sliding block 37 is movably installed on each rectangular sliding groove 36. The end of the sliding block 37 towards the center of the fixing seat 33 is provided as an arc surface.

[0036] Adjusting discs 34 are also arranged at the two sides of the fixing seat 33. The outer ring surface of the adjusting disc 34 is rotatably connected with the inner wall of the disc 32 through a ball bearing 35. An adjusting handle 39 is arranged at the center of the adjusting disc 34 and extends outward to the outside of the fixing seat 33. An insertion hole is arranged at the center of the adjusting handle 39 and penetrates the adjusting disc 34 and the fixing seat 33 in sequence, so that the whole disc 32 is penetrated. The pin 5 extends to the center of the fixing seat 33 through the insertion hole.

[0037] In addition, the adjusting disc 34 is provided with a spiral limiting groove 38 on the end face thereof, and the end face of the sliding block 37 is partially protruded and slidingly inserted into the limiting groove 38, so that when the adjusting disc 34 rotates, the sliding block 37 is forced to move along the sliding groove 36 by the arc-shaped inner wall of the limiting groove 38, and is gathered to or away from the center, thereby achieving the purpose of fixing or loosening the pin 5, and achieving the effect of detachable fixed connection.

[0038] In the above structure, the structure is similar to the driving away in the chuck structure, and the two ends of the disc 32 can be independently operated and used, and the purpose is that the end face of the gathered sliding block 37 abuts against the outer wall of the pin 5, so that the hemispherical limiting block 51 at the end is locked in the disc 32 to complete the connection.

[0039] The pipe chain 31 is further provided with a cylindrical connecting end at the periphery of the through hole at the end thereof, and the connecting end is exactly inserted into the inserting hole at the end face of the adjusting handle 39, so that the pipe chain 31 can be kept in a vertical structure with the disc 32.

[0040] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present application.

Claims

1. A closed feed device, characterized in that The utility model provides a kind of material storage tank, including the bottom of the material storage tank (1) is equipped with conveying pipe (2), the inside of conveying pipe (2) is equipped with feeding assembly (3), feeding assembly (3) includes pipe chain (31) arranged horizontally in the inside of conveying pipe (2), several discs (32) are sequentially arranged at intervals on the pipe chain (31), the both sides of conveying pipe (2) are also equipped with connecting seat (21), connecting seat (21) is equipped with sprocket (22) inside, the top surface of one connecting seat (21) is also equipped with servo motor (25), the output end of servo motor (25) is to the inside of connecting seat (21) and is drivingly connected with sprocket (22);Conveying pipe (2) is also equipped with discharge pipe, the bottom of discharge pipe is equipped with temporary storage box (4).

2. A closed feed device as claimed in claim 1, characterized in that The conveying pipe (2) is provided with two roots and is arranged at the same horizontal height interval, and the two ends of the two conveying pipes (2) are communicated with the connecting seats (21), and the pipe chain (31) forms a ring structure around the inside of the conveying pipe (2) and the connecting seat (21).

3. A closed feed device as claimed in claim 1, characterized in that The sprocket (22) is circular and has a plurality of drive shafts (23) arranged around the outer sidewall. Each drive shaft (23) has an arc-shaped protrusion (24) at the end thereof, which is clamped on the through hole of the pipe chain (31) and makes the pipe chain (31) partially unfolded into a semicircular structure.

4. A closed feed device as claimed in claim 1, characterized in that The pipe chain (31) is arranged as an iron chain, and each end of the pipe chain (31) arranged near the two sides of the disc (32) is provided with a through hole. A pin (5) is slidably inserted into the through hole. The two ends of the pin (5) are respectively provided with semicircular limit blocks (51). One end of the pin (5) extends into the disc (32) and is locked and fixed with the limit block (51) at the end of the pin (5).

5. A closed feed device as claimed in claim 4, characterized in that The disc (32) is hollow inside and is provided with a fixing seat (33) at the center. The end faces of the two ends of the fixing seat (33) are respectively provided with a plurality of rectangular sliding grooves (36). The plurality of rectangular sliding grooves (36) are arranged in a circumferential array, and each rectangular sliding groove (36) is slidably installed with a sliding block (37). The two sides of the fixing seat (33) are also arranged with adjusting discs (34) at intervals. The adjusting disc (34) is rotatably connected with the inner wall of the disc (32) through a ball bearing (35), and the end face of the adjusting disc (34) is provided with an adjusting handle (39) at the center and extends outward to the outside of the disc (32).

6. A closed feed device as claimed in claim 5, characterized in that The end face of the adjusting handle (39) is also provided with an insertion hole, which penetrates the adjusting disc (34) and the fixing seat (33) in the horizontal direction and extends to the end face of the adjusting handle (39) on the other side of the disc (32).

7. A closed feed device as claimed in claim 6, characterized in that The side of the adjusting disc (34) facing the fixing seat (33) is also provided with a vortex-shaped limit groove (38). The outward side of the sliding block (37) is partially protruded and slidably inserted into the limit groove (38).

8. A closed feed device as claimed in claim 7, characterized in that The through hole edge of the end of the pipe chain (31) is also provided with a cylindrical connecting end, which can be slidably installed in the insertion hole.

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