Automatic weighing mechanism

Abstract

The utility model discloses an automatic material weighing mechanism which comprises a material weighing support, a supporting top plate is arranged on the top side of the material weighing support in a supporting mode, a hopper is fixedly connected to the inner side of the supporting top plate, an anti-blocking structure is rotationally installed in a discharging pipe, and a stirring and dispersing assembly is rotationally installed in the hopper. And a material conveying assembly is mounted on the bottom side of the discharging pipe through a flange. According to the utility model, the anti-blocking structure is arranged at the discharge pipe, so that weighed materials can be stirred, and when the blockage of the flowing of the materials cannot be detected, the insertion rod can be pulled out, and a user rotates the crank to enable the material stirring rod to stir the materials at the discharge pipe, so that the materials are loosened and discharged; the arranged crushing blades can crush block masses clamped in the discharging pipe, the effect of loosening and falling of the materials is improved, the inserting rods are inserted into the two connecting holes again when the stirring operation is completed, so that the material stirring roller and the crushing blades are in a vertical state, and falling of the materials is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of material weighing, in particular to an automatic material weighing mechanism. BACKGROUND

[0002] In the chemical industry, building materials, metallurgy and other industries often need to continuously mix a variety of materials, so loss of weight scales are often used. Since the scale body of the loss of weight scale is based on the structure of the hopper scale, it can directly calibrate the weight of the material, and by testing the weight of the hopper at each moment, the actual discharge amount can be calculated, and then closed-loop adjustment can be performed, so that high control accuracy can be achieved.

[0003] The prior art discloses an automatic weighing and discharging mechanism, which comprises a hopper and a discharging cylinder, the lower end of the hopper is communicated with the upper end of the discharging cylinder, a notch is formed in the upper end of the discharging cylinder, first and second mounting plates are fixedly installed on the side wall of the discharging cylinder, a discharging mechanism is arranged on the first mounting plate, and a weighing mechanism is arranged on the second mounting plate.

[0004] The above technical solution weighs the material in a narrow discharging cylinder, which is easy to cause the material to be blocked when falling, and the caked material is more likely to be stuck in the discharging cylinder, which is not convenient to clean, thereby affecting the efficiency of material weighing. In addition, the above technical solution needs to manually place the weight for weighing during the weighing process, which further reduces the efficiency of material weighing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automatic material weighing mechanism to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic material weighing mechanism, comprising a material weighing support, a support top plate is arranged on the top side of the material weighing support, a hopper is fixedly connected to the inner side of the support top plate, the hopper is arranged on the inner side of the material weighing support, a discharging pipe is fixedly connected to the bottom side of the hopper, a anti-blocking structure is rotatably installed in the discharging pipe, a scattering assembly is rotatably installed in the hopper, and a material conveying assembly is installed on the bottom side of the discharging pipe through a flange.

[0007] The anti-blocking structure comprises a rotating shaft one, the rotating shaft one penetrates the middle part of the discharging pipe, a stirring rod is arranged in the rotating shaft one, a broken blade is fixedly connected to the side wall on both sides of the stirring rod, a crank handle is arranged at one end of the rotating shaft one, a fan-shaped block is fixedly connected to the outer wall on one side of the discharging pipe, a connecting hole is formed on the crank handle and the fan-shaped block in alignment, and a connecting rod is arranged between the two connecting holes.

[0008] In the above technical solution, the extraction rod is extracted, the user rotates the handle to make the stirring rod stir the material at the material discharge pipe, so that the material is loosened and discharged, the crushing blade is arranged to crush the lumps stuck at the material discharge pipe, the effect of loosening and falling of the material is improved, the extraction rod is inserted into the two connecting holes again when the stirring operation is completed, so that the stirring rod and the crushing blade are in a vertical state, facilitating the falling of the material, and in addition, the stirring assembly is arranged to stir the material in the hopper, further reducing the blockage.

[0009] As a further preferred aspect of the present technical solution, a top cover is bolted to the top side of the support top plate, a feed hopper is arranged on one side of the top cover, and a flow control valve is arranged at the feed cylinder of the feed hopper.

[0010] In the above technical solution, the flow control valve is arranged to adjust the opening of the valve, thereby changing the flow rate of the material, so that the actual flow approaches the set flow. This closed-loop control method can ensure the accuracy and stability of material metering.

[0011] As a further preferred aspect of the present technical solution, the stirring assembly comprises a motor one, the motor one is arranged in the middle of the top cover, the output end of the motor one passes through the top cover and is provided with a rotating shaft two, the rotating shaft two extends below the hopper, and stirring rods are arranged on the outer wall of the rotating shaft two.

[0012] In the above technical solution, the stirring assembly is arranged to stir the material in the hopper, further reducing the blockage.

[0013] As a further preferred aspect of the present technical solution, the material conveying assembly comprises a connecting pipe, the connecting pipe is connected to the material discharge pipe through a flange, a material conveying shell is fixedly connected to the bottom side of the connecting pipe, a rotating rod is rotatably connected in the material conveying shell, a motor two is arranged at one end of the rotating rod, helical blades are arranged on the outer wall of the rotating rod, and a discharge pipe is arranged at the bottom side of the end of the material conveying shell away from the motor two.

[0014] In the above technical solution, the material conveying assembly can effectively and quickly transport the material passing through the loss weight scale, thereby improving the efficiency of the material weighing.

[0015] As a further preferred aspect of the present technical solution, a support plate is arranged at the bottom side of the material conveying shell, and a loss weight scale is mounted at the bottom side of the support plate.

[0016] As a further preferred aspect of the present technical solution, a PLC controller is arranged on one side of the material weighing support, and the PLC controller is electrically connected to the loss weight scale.

[0017] As a further preferred aspect of the present technical solution, the PLC controller is electrically connected to the motor one, and the PLC controller is electrically connected to the motor two.

[0018] The utility model provides an automatic weighing mechanism has the following beneficial effects:

[0019] (1) the utility model discloses a prevent blocking structure is set up at the discharge pipe, can the material that weighs down is stirred, avoids the material to take place to block up in the discharge pipe, when the flow of material cannot be detected to take place to block up, can draw out the plug rod, and the user rotates the handle to make the material stirring stick to the material at the discharge pipe and stir, and then make the material loose and fall, and the broken blade that sets up can break the lump that is stuck in the discharge pipe, improve the effect that material loosens and falls, when completing the stirring operation, make the material stirring stick and broken blade be in the vertical state again by inserting the plug rod into two connecting holes, the falling of material is convenient, in addition, the stirring subassembly that sets up can stir the material in the hopper, further alleviate the blockage.

[0020] (2) the utility model discloses the weightlessness scale can be installed, can continuously measure material flow, the weight change of material is tracked and recorded in real time, and the automation effect is good, alleviates the burden that manual weighing brings, in addition, the material conveying assembly that sets up can effectively and quickly transport the material that passes through the weightlessness scale, and then improve the efficiency of weighing. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the utility model whole;

[0022] Figure 2 It is the sectional view of the utility model part;

[0023] Figure 3 It is the structure schematic diagram of the material conveying assembly of the utility model;

[0024] Figure 4 It is the structure schematic diagram of the prevent blocking structure of the utility model;

[0025] Figure 5 It is the enlarged view of the A diagram of the utility model;

[0026] In the drawing: 1, weighing support;11, support top plate;12, hopper;13, top cover;14, feed hopper;15, flow control valve;16, discharge pipe;17, PLC controller;18, prevent blocking structure;181, pivot one;182, material stirring stick;183, broken blade;184, handle;185, sector block;186, connecting hole;187, plug rod;2, stirring subassembly;21, pivot two;22, motor one;23, stirring rod;3, material conveying assembly;31, connecting pipe;32, material conveying shell;33, motor two;34, rotating rod;35, discharge pipe;36, spiral blade;4, support plate;5, weightlessness scale. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0028] The utility model provides technical scheme: as Figure 1 And Figure 2 As shown in the figure, in the embodiment, an automatic weighing mechanism comprises a weighing support 1, a supporting top plate 11 is arranged on the top side of the weighing support 1, a hopper 12 is fixedly connected to the inner side of the supporting top plate 11, the hopper 12 is arranged on the inner side of the weighing support 1, a discharge pipe 16 is fixedly connected to the bottom side of the hopper 12, a top cover 13 is bolted to the top side of the supporting top plate 11, a feeding hopper 14 is arranged on one side of the top cover 13, a flow control valve 15 is arranged at the hopper barrel of the feeding hopper 14, a anti-blocking structure 18 is rotatably installed in the discharge pipe 16, a scattering assembly 2 is rotatably installed in the hopper 12, a material conveying assembly 3 is installed on the bottom side of the discharge pipe 16 through flanges, a supporting plate 4 is arranged on the bottom side of the material conveying shell 32, a loss-in-weight scale 5 is installed on the bottom side of the supporting plate 4, the loss-in-weight scale 5 weighs the whole feeding mechanism as a scale body, as the material flows out of the loss-in-weight scale 5, the PLC controller 17 collects the weight signal of the scale body at a high speed and high frequency, obtains the weight of the material in the measuring hopper reduced in unit time, and then through special filtering and optimization processing, obtains the actual flow rate of the loss-in-weight scale, through the installation of the loss-in-weight scale, the material flow can be continuously measured, the weight change of the material can be tracked and recorded in real time, the automation effect is good, the burden brought by manual weighing is reduced, the weighing support 1 is provided with a PLC controller 17, the PLC controller 17 is electrically connected with the loss-in-weight scale 5, the PLC controller 17 is electrically connected with the motor one 22, and the PLC controller 17 is electrically connected with the motor two 33.

[0029] As Figure 4 And Figure 5As shown, the anti-blocking structure 18 includes a rotating shaft 181 which penetrates the middle of the discharge pipe 16, and a poking rod 182 is arranged in the through hole of the rotating shaft 181. The two side walls of the poking rod 182 are fixedly connected with a crushing blade 183. One end of the rotating shaft 181 is provided with a crank 184. The outer wall of one side of the discharge pipe 16 is fixedly connected with a sector 185. The crank 184 and the sector 185 are aligned and a connecting hole 186 is formed. A plug rod 187 is arranged between the two connecting holes 186. The anti-blocking structure 18 arranged at the discharge pipe can stir the material falling from the weighing machine to avoid the blocking of the material in the discharge pipe 16. When the flow of the material is blocked, the plug rod 187 can be pulled out. The user rotates the crank 184 to stir the material at the discharge pipe 16 by the poking rod 182, so that the material is loosened and falls. The crushing blade 183 arranged can crush the lumps stuck in the discharge pipe 16, improve the effect of loosening and falling of the material, and reinsert the plug rod 187 into the two connecting holes 186 when the stirring operation is completed, so that the poking rod 182 and the crushing blade 183 are in a vertical state, facilitating the falling of the material.

[0030] As shown in Figure 2 The stirring assembly 2 includes a motor 22 arranged in the middle of the top cover 13. The output end of the motor 22 penetrates the top cover 13 and is provided with a rotating shaft 21. The rotating shaft 21 extends below the hopper 12. The outer wall of the rotating shaft 21 is arranged with a stirring rod 23. The stirring assembly 2 arranged can stir the material in the hopper 12, further reducing the blocking.

[0031] As shown in Figure 3 The material conveying assembly 3 includes a connecting pipe 31 connected with the discharge pipe 16 through a flange. The bottom side of the connecting pipe 31 is fixedly connected with a material conveying shell 32. The material conveying shell 32 is rotatably connected with a rotating rod 34. One end of the rotating rod 34 is provided with a motor 33. The outer wall of the rotating rod 34 is provided with a spiral blade 36. The end of the material conveying shell 32 away from the motor 33 is provided with a discharge pipe 35. The material conveying assembly 3 can effectively and quickly transport the material passing through the loss weighing machine 5, thereby improving the efficiency of the material weighing.

[0032] The utility model provides a kind of automatic weighing mechanism, specific working principle is as follows: material is carried out in hopper 12 by feeding hopper 14, by discharge pipe 16 into material shell 32, and by rotating rotating rod 34 and spiral blade 36, material is output, further by weightlessness scale 5, material can be weighed;When plugging occurs in the process of discharging, start motor one 22 and drive rotating shaft two 21 and stirring rod 23 to rotate, while extracting plug rod 187, user rotates handlebar 184 to make that material poking stick 182 stirs the material at discharge pipe 16, further to make that material loose open and discharge, and the broken blade 183 that is set can break the lump that is stuck into at discharge pipe 16;When completing stirring operation, plug rod 187 is inserted into two connecting holes 186 again, so that material poking stick 182 and broken blade 183 are in vertical state.

[0033] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic weighing mechanism comprising a weighing support (1), characterized in that: The top side of the scale support (1) is provided with a support top plate (11), the inner side of the support top plate (11) is fixedly connected with a hopper (12), the hopper (12) is arranged on the inner side of the scale support (1), the bottom side of the hopper (12) is fixedly connected with a discharge pipe (16), the discharge pipe (16) is rotatably installed with an anti-blocking structure (18), the inside of the hopper (12) is rotatably installed with a scattering assembly (2), the bottom side of the discharge pipe (16) is flange-mounted with a feeding assembly (3); The anti-blocking structure (18) comprises a rotating shaft (181), the rotating shaft (181) penetrates the middle part of the discharge pipe (16), the rotating shaft (181) is provided with a stirring rod (182) penetrating through the through hole, the two side walls of the stirring rod (182) are fixedly connected with a crushing blade (183), one end of the rotating shaft (181) is provided with a crank (184), one side of the discharge pipe (16) is fixedly connected with a sector (185), the crank (184) and the sector (185) are aligned and provided with a connecting hole (186), and a connecting rod (187) is inserted between the two connecting holes (186).

2. An automatic weighing mechanism according to claim 1, characterized in that: The top side of the support top plate (11) is bolted with a top cover (13), one side of the top cover (13) is provided with a feeding hopper (14), and the feeding hopper (14) is provided with a flow control valve (15) at the barrel.

3. The automatic weighing mechanism according to claim 1, characterized in that: The scattering assembly (2) comprises a motor (22), the motor (22) is arranged in the middle of the top cover (13), the output end of the motor (22) penetrates the top cover (13) and is provided with a rotating shaft (21), the rotating shaft (21) extends below the hopper (12), and the outer wall of the rotating shaft (21) is arranged with a stirring rod (23).

4. The automatic weighing mechanism according to claim 1, characterized in that: The feeding assembly (3) comprises a connecting pipe (31), the connecting pipe (31) is connected with the discharge pipe (16) through a flange, the bottom side of the connecting pipe (31) is fixedly connected with a feeding shell (32), the feeding shell (32) is rotatably connected with a rotating rod (34), one end of the rotating rod (34) is provided with a motor (33), the outer wall of the rotating rod (34) is provided with a spiral blade (36), and the bottom side of the end of the feeding shell (32) away from the motor (33) is provided with a discharge pipe (35).

5. An automatic weighing mechanism according to claim 4, characterized in that: The bottom side of the feeding shell (32) is provided with a support plate (4), and the bottom side of the support plate (4) is provided with a loss-in-weight scale (5).

6. An automatic weighing mechanism according to claim 1, characterized in that: One side of the scale support (1) is provided with a PLC controller (17), and the PLC controller (17) is electrically connected with the loss-in-weight scale (5).

7. An automatic weighing mechanism according to claim 6, characterized in that: The PLC controller (17) is electrically connected with the motor (22), and the PLC controller (17) is electrically connected with the motor (33).

Images