Product gram weight pulp feeding time control device

Abstract

The utility model belongs to the technical field of automation control, and discloses a product gram weight slurry feeding time control device which comprises a bottom plate, a weighing platform is arranged on the bottom plate, a slurry storage container is arranged on the weighing platform, a supporting frame is arranged on the outer side of the slurry storage container, a stirring assembly is installed on the supporting frame, and the stirring assembly is arranged on the bottom plate. The stirring assembly is connected with the slurry conveying assembly, the weighing table monitors the gram weight change of slurry in the slurry storage container in real time so as to accurately control the conveyed slurry amount, and the stirring assembly and the slurry conveying assembly are combined so as to reduce extra occupation of the internal space of the slurry storage container and achieve efficient and stable slurry conveying. And the flushing assembly is combined with the stirring assembly and the slurry conveying assembly, so that occupation of the internal space of the slurry storage container is further reduced, the effect of flushing the inner wall of the slurry storage container is achieved, and the situation that residual slurry affects the quality of the slurry stored next time is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the automatic control technical field, and specifically relates to a product gram weight pulp feeding time control device. BACKGROUND

[0002] In the production process of papermaking, food processing, building materials and other industries, the accurate control of product gram weight plays a decisive role in product quality and performance, and the control precision of pulp feeding time as a key factor affecting product gram weight is directly related to the stability of the production process and the consistency of the product.

[0003] In the prior art, the pulp preparation and conveying system usually adopts a simple structure of a storage tank matched with a stirring device, the storage tank only serves as a pulp storage container, lacks an effective weighing monitoring mechanism, and it is difficult to obtain the weight of the pulp in the tank in real time and accurately, resulting in a large error in controlling the pulp feeding time to achieve the target gram weight; the stirring device and the material conveying structure are independent of each other, and high-efficiency and stable pulp conveying cannot be realized synchronously during the stirring process, so that the pulp feeding time is difficult to control accurately, and the pulp conveying delay or excessive conveying may occur; in addition, the residual pulp on the inner wall of the storage tank after long-term use may affect the quality of the next stored pulp, and the existing device generally lacks a special flushing structure, manual flushing not only consumes a large amount of time and labor cost, but also has uneven cleaning effect, and it is difficult to meet the needs of continuous and high-precision production.

[0004] Therefore, a product gram weight pulp feeding time control device is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] To solve the problems in the background art, the utility model provides a product gram weight pulp feeding time control device, which has the advantages of combining the stirring assembly and the pulp conveying assembly to fully utilize the internal space of the pulp storage container and realize high-efficiency and stable pulp conveying.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a product gram weight pulp feeding time control device, comprising a bottom plate, a weighing table is arranged on the bottom plate, a pulp storage container is arranged on the weighing table, a support frame is arranged on the outer side of the pulp storage container, the support frame is fixedly connected with the bottom plate at the bottom, a stirring assembly is installed on the support frame, the stirring assembly is connected with a pulp conveying assembly, and the pulp conveying assembly is connected with a flushing assembly.

[0007] The stirring assembly comprises a stirring shaft arranged in the pulp storage container, stirring rods are uniformly distributed on the stirring shaft, the top end of the stirring shaft penetrates through the pulp storage container, a driven gear is fixedly arranged on the stirring shaft above the pulp storage container, the driven gear is connected with a driving gear in a meshing mode, and the driving gear is connected with a driving motor through a motor shaft.

[0008] The pulp conveying assembly comprises a one-way pulp inlet arranged at the bottom end of the stirring shaft, a flow guide channel communicated with the one-way pulp inlet, a rotary joint arranged at the top end of the stirring shaft and connected with the flow guide channel, a pulp conveying pump connected with the rotary joint through a pipeline, a pulp conveying pipeline connected with the outlet of the pulp conveying pump, and a flow meter and a flow control valve arranged on the pulp conveying pipeline.

[0009] Preferably, the flushing assembly comprises a one-way flushing nozzle arranged at the end of the stirring rod, a branch channel communicated with the one-way flushing nozzle, a flow guide channel communicated with the branch channel, a three-way pipe arranged on the pipeline between the rotary joint and the pulp conveying pump, a water pump connected with the three-way pipe, a water inlet pipe connected with the inlet of the water pump, an external water source connected with the water inlet pipe, and a control valve arranged on the water inlet pipe.

[0010] Preferably, a feeding elbow is arranged at a position close to the edge of the top of the pulp storage container, and the feeding elbow is fixedly connected with the support frame.

[0011] Preferably, a first through hole is arranged at a position corresponding to the feeding elbow on the pulp storage container, and the feeding elbow penetrates through the first through hole.

[0012] Preferably, a second through hole is arranged at a position corresponding to the stirring shaft on the pulp storage container, and the stirring shaft penetrates through the second through hole.

[0013] Preferably, a sewage outlet is arranged at a position close to the bottom of one side of the pulp storage container.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. The present application can monitor the weight change of the pulp in the pulp storage container in real time, accurately control the amount of the conveyed pulp, and reduce the additional occupation of the internal space of the pulp storage container by combining the stirring assembly with the pulp conveying assembly, so as to realize efficient and stable pulp conveying.

[0016] 2. The present application can further reduce the occupation of the internal space of the pulp storage container by combining the flushing assembly with the stirring assembly and the pulp conveying assembly, and can flush the inner wall of the pulp storage container, so as to avoid the influence of the residual pulp on the quality of the next stored pulp. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2The utility model discloses a slurry storage container structure schematic drawing.

[0019] Figure 3 The utility model discloses a stirring assembly structure schematic drawing.

[0020] Figure 4 The utility model discloses a stirring shaft and stirring rod sectional structure schematic drawing.

[0021] Figure 5 The utility model discloses a flushing assembly structure schematic drawing.

[0022] In the drawing: 1, bottom plate, 2, weighing table, 3, slurry storage container, 4, support frame,

[0023] 5, stirring assembly, 51, stirring shaft, 52, stirring rod, 53, driven gear, 54, driving gear, 55, drive motor,

[0024] 6, slurry conveying assembly, 61, one-way slurry inlet, 62, flow channel, 63, rotary joint, 64, slurry pump, 65, slurry pipeline, 66, flow meter, 67, flow control valve,

[0025] 7, flushing assembly, 71, one-way flushing nozzle, 72, branch channel, 73, tee, 74, water pump, 75, water inlet pipe, 76, control valve,

[0026] 8, feed elbow, 9, first through hole, 10, second through hole, 11, blow-off port. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0028] As Figures 1 to 5As shown, the utility model provides a product gram weight impregnation time control device, including bottom plate 1, the bottom plate 1 is provided with weighing platform 2, weighing platform 2 is provided with slurry storage container 3, the outside of slurry storage container 3 is provided with support frame 4, support frame 4 bottom fixedly connected bottom plate 1, support frame 4 is installed with stirring assembly 5, stirring assembly 5 is connected with slurry conveying assembly 6, slurry conveying assembly 6 is connected with flushing assembly 7, weighing platform 2 real -time monitoring slurry storage container 3 inside slurry gram weight change, to accurately control the slurry amount of delivery, and the stirring assembly 5 is combined with slurry conveying assembly 6, to reduce the additional occupation of slurry storage container 3 inside space, realize the full use of space, and realize high -efficient, stable slurry conveying;

[0029] Stirring assembly 5 includes the stirring shaft 51 in the slurry storage container 3, the stirring shaft 51 is provided with the stirring rod 52 of uniform distribution, the top end of stirring shaft 51 penetrates slurry storage container 3, the stirring shaft 51 above slurry storage container 3 is fixed with driven gear 53, driven gear 53 is engaged with driving gear 54, driving gear 54 is connected with drive motor 55 through motor shaft;

[0030] Slurry conveying assembly 6 includes the one-way pulp inlet 61 of the bottom end of stirring shaft 51, the one-way pulp inlet 61 is communicated with the flow channel 62, the flow channel 62 is opened in the stirring shaft 51, the top end of flow channel 62 is connected with the swivel joint 63, the swivel joint 63 is arranged at the top end of stirring shaft 51, the swivel joint 63 is connected with the pulp pump 64 through the pipeline, the outlet of pulp pump 64 is connected with the pulp pipeline 65, the flowmeter 66 and flow control valve 67 are installed on the pulp pipeline 65.

[0031] Specifically, flushing assembly 7 includes the one-way flushing nozzle 71 of the end of stirring rod 52, the one-way flushing nozzle 71 is communicated with the branch channel 72, the branch channel 72 is opened in the stirring rod 52, the branch channel 72 is communicated with the flow channel 62, the pipeline between swivel joint 63 and pulp pump 64 is installed with the tee pipe 73, the tee pipe 73 is connected with the water pump 74, the inlet of water pump 74 is connected with the water inlet pipe 75, the water inlet pipe 75 is connected with the external water source, the control valve 76 is installed on the water inlet pipe 75, the flushing assembly 7 is combined with stirring assembly 5 and slurry conveying assembly 6, further reduces the occupation of slurry storage container 3 inside space, and plays the role of flushing the inner wall of slurry storage container 3, avoids the influence of residual slurry on the quality of next storage slurry.

[0032] Further, the slurry storage container 3 top edge position is provided with the feed elbow 8, and the feed elbow 8 is fixedly connected with the support frame 4.

[0033] Further, the first through hole 9 is arranged on the slurry storage container 3 corresponding to the feeding elbow 8, and the feeding elbow 8 passes through the first through hole 9, so that the feeding elbow 8 is prevented from directly contacting the slurry storage container 3 and affecting the weighing.

[0034] It is worth noting that the second through hole 10 is arranged on the slurry storage container 3 corresponding to the stirring shaft 51, and the stirring shaft 51 passes through the second through hole 10, so that the external structure is prevented from interfering with the accurate weighing of the slurry in the slurry storage container 3.

[0035] It is worth noting that the slurry storage container 3 is provided with the sewage outlet 11 near the bottom on one side, which is used for discharging sewage during flushing.

[0036] The weighing table 2, the driving motor 55, the slurry conveying pump 64 and the water pump 74 are prior art and will not be described herein again; meanwhile, the utility model also comprises a power supply, a controller and a switch, which are not the main technical points of the patent and will not be described herein again.

[0037] The working principle and process are as follows: the slurry is conveyed into the slurry storage container 3 through the feeding elbow 8, the stirring assembly 5 is started, the driving motor 55 drives the stirring shaft 51 and the stirring rod 52 to rotate, the slurry in the slurry storage container 3 is stirred, the solid particles in the slurry are prevented from settling or stratifying, the uniformity of the slurry is ensured, the uniform slurry is helpful to realize more stable flow and gram weight control during the slurry conveying process, the product gram weight deviation caused by uneven slurry composition is avoided, the slurry conveying assembly 6 is started, the slurry conveying pump 64 is started, the slurry enters through the one-way slurry inlet 61, and the slurry is sequentially output through the flow guide channel 62, the rotary joint 63, the slurry conveying pump 64 and the slurry conveying pipeline 65, the weighing table 2 monitors the gram weight change of the slurry in the slurry storage container 3 in real time, the slurry amount is accurately controlled, the flow meter 66 and the flow control valve 67 are used to realize accurate time control, the slurry is ensured to be guided to a suitable place at a suitable flow rate and dose, when the slurry storage container 3 needs to be cleaned, the water pump 74 of the flushing assembly 7 is started, the water is sequentially sprayed through the water inlet pipe 75, the water pump 74, the three-way pipe 73, the rotary joint 63, the flow guide channel 62 and the branch flow channel 72, and is sprayed from the one-way flushing nozzle 71, and the stirring assembly 5 is used for flushing the slurry storage container 3 in all directions without dead angle, so that the residual slurry does not affect the quality of the next stored slurry.

[0038] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A product grammage infeed time control device comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a weighing table (2), the weighing table (2) is provided with a slurry storage container (3), the outer side of the slurry storage container (3) is provided with a support frame (4), the bottom of the support frame (4) is fixedly connected with the bottom plate (1), the support frame (4) is provided with a stirring assembly (5), the stirring assembly (5) is connected with a slurry conveying assembly (6), and the slurry conveying assembly (6) is connected with a flushing assembly (7). The stirring assembly (5) comprises a stirring shaft (51) arranged in the slurry storage container (3), a plurality of stirring rods (52) are uniformly arranged on the stirring shaft (51), the top end of the stirring shaft (51) penetrates the slurry storage container (3), a driven gear (53) is fixedly connected to the stirring shaft (51) above the slurry storage container (3), the driven gear (53) is connected with a driving gear (54), and the driving gear (54) is connected with a driving motor (55) through a motor shaft. The slurry conveying assembly (6) comprises a one-way slurry inlet (61) arranged at the bottom end of the stirring shaft (51), the one-way slurry inlet (61) is communicated with a flow guide channel (62), the flow guide channel (62) is arranged in the stirring shaft (51), the top end of the flow guide channel (62) is connected with a rotary joint (63), the rotary joint (63) is arranged at the top end of the stirring shaft (51), the rotary joint (63) is connected with a slurry conveying pump (64) through a pipeline, the outlet of the slurry conveying pump (64) is connected with a slurry conveying pipeline (65), and the slurry conveying pipeline (65) is provided with a flow meter (66) and a flow control valve (67).

2. A product grammage approach time control device according to claim 1, characterized in that: The flushing assembly (7) comprises a one-way flushing nozzle (71) arranged at the end of the stirring rod (52), the one-way flushing nozzle (71) is communicated with a branch channel (72), the branch channel (72) is arranged in the stirring rod (52), the branch channel (72) is communicated with the flow guide channel (62), a three-way pipe (73) is arranged on the pipeline between the rotary joint (63) and the slurry conveying pump (64), the three-way pipe (73) is connected with a water pump (74), the inlet of the water pump (74) is connected with a water inlet pipe (75), the water inlet pipe (75) is connected with an external water source, and the water inlet pipe (75) is provided with a control valve (76).

3. A product grammage approach time control device according to claim 1, characterized in that: The slurry storage container (3) is provided with a feeding elbow (8) near the edge of the top.

4. A product grammage approach time control device according to claim 3, characterized in that: The slurry storage container (3) is provided with a first through hole (9) corresponding to the feeding elbow (8), and the feeding elbow (8) penetrates the first through hole (9).

5. A product grammage approach time control device as claimed in claim 1, wherein: The slurry storage container (3) is provided with a second through hole (10) corresponding to the stirring shaft (51), and the stirring shaft (51) penetrates the second through hole (10).

6. A product grammage approach time control device according to claim 1, characterized in that: The slurry storage container (3) is provided with a sewage outlet (11) near the bottom of one side.

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