CN216465789U

CN216465789U - Automatic production line is used in preparation of large-scale prefabricated section

Info

Publication number: CN216465789U
Application number: CN202122832749.0U
Authority: CN
Inventors: 周星辉
Original assignee: Xinmi Zhengxing Refractory Material Co ltd
Current assignee: Xinmi Zhengxing Refractory Material Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-10
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses an automatic production line for preparing large prefabricated blocks, which comprises a material storage box, a buffer box, a rack, a weighing box and a conveying belt, wherein the conveying belt sequentially passes through a vibration pressure region and a blanking region, a material discharging pipe a is arranged at the bottom of the material storage box, an electromagnetic valve a is arranged on the material discharging pipe a, bearing seats are arranged on two inner side walls of the rack, the buffer box is arranged on the bearing seats, a gravity sensor a is arranged between the buffer box and the bearing seats, a material discharging port of the material discharging pipe a is positioned in the buffer box, a motor is arranged at the top of the rack, a power output end of the motor is connected with a stirring device, a material discharging pipe b is arranged at the bottom of the buffer box, an electromagnetic valve b is arranged on the material discharging pipe b, and a material discharging port of the material discharging pipe b is positioned above the weighing box. Through setting up storage case, baffle-box and weighing box, realized the hierarchical unloading of raw materials and weighed to guaranteed that the raw materials in the mould is equivalent, also replaced artifical reinforced simultaneously, guaranteed production efficiency.

Description

Automatic production line is used in preparation of large-scale prefabricated section

Technical Field

The utility model relates to the field of production and processing of large prefabricated blocks, in particular to an automatic production line for preparing large prefabricated blocks.

Background

The prefabricated block is block foam prepared by compounding high molecular compound, adding proper amount of cross-linking agent, stabilizer and curing agent, and reacting under specific conditions. The purpose of research and development of the precast block is mainly to improve the construction speed of underground coal mine sealing and hollow tunnel filling and improve the production efficiency. And for the stratum with poor self-bearing capacity, the precast blocks are embedded in the groove parts to form a support to form a protective structure.

In the existing production flow, the raw materials for manufacturing the precast block are generally produced by manually putting the raw materials for manufacturing the precast block into a production mold, but the feeding mode cannot ensure that the raw materials in each mold are equal, the work repeatability is high, monotony and boring are realized, the fatigue feeling and the aversion psychology of operators are easily caused, and the production efficiency is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an automatic production line for preparing large precast blocks.

The purpose of the utility model is realized by the following technical scheme: an automatic production line for preparing large prefabricated blocks comprises a storage box, a buffer box, a rack, a weighing box and a conveying belt, wherein the conveying belt sequentially passes through a seismic area and a blanking area, the bottom of the storage box is provided with a discharge pipe a, the discharge pipe a is provided with an electromagnetic valve a, the electromagnetic valve a is electrically connected with a PLC (programmable logic controller) a, two inner side walls of the rack are provided with bearing seats, the buffer box is installed on the bearing seats, a gravity sensor a is arranged between the buffer box and the bearing seats, the gravity sensor a is electrically connected with the PLC a, a discharge hole of the discharge pipe a is positioned in the buffer box, the top of the rack is provided with a motor, the power output end of the motor is connected with a stirring device, the stirring device is positioned in the buffer box, the bottom of the buffer box is provided with a discharge pipe b, the discharge pipe b is provided with an electromagnetic valve b, the electromagnetic valve b is electrically connected with the PLC a, and the discharge hole of the discharge pipe b is positioned above the weighing box, the weighing box is guided into the corresponding die through the discharging device, and the die is arranged on the conveying belt.

Preferably, the upper surface of baffle-box is provided with inlet pipe and stirring mouth, and discharging pipe a is located the inlet pipe, and does not take place to interfere with the inlet pipe, and agitating unit stretches into in the baffle-box through the stirring mouth, and agitating unit does not take place to interfere with the stirring mouth, and the bottom symmetry of baffle-box is provided with guide block a, and the discharge end department of guide block a is provided with discharging pipe b, and discharging pipe b is located between two load seats.

Preferably, agitating unit includes pivot and puddler, and the pivot is located the stirring mouth, and the pivot does not take place to interfere with the stirring mouth, and a plurality of puddlers are installed to the bottom of pivot, and the puddler matches with the surface of guide block a.

Preferably, the discharge end of the discharge pipe b is communicated with the feed ends of the shunt pipe a and the shunt pipe b, the shunt pipe a and the shunt pipe b are in an inverted V shape, the shunt pipe a is provided with an electromagnetic valve c, the shunt pipe b is provided with an electromagnetic valve d, the electromagnetic valve c and the electromagnetic valve d are electrically connected with the PLC controller b, and the discharge holes of the shunt pipe a and the shunt pipe b are located above the corresponding weighing boxes.

Preferably, the weighing box comprises a weighing box a and a weighing box b, the discharge hole of the shunt pipe a is located above the weighing box a, the discharge hole of the shunt pipe b is located above the weighing box b, and the weighing box a and the weighing box b are arranged side by side.

Preferably, the conveyer belts are arranged side by side and are annularly arranged.

Preferably, the weighing box a is installed on the fixing plate a, the gravity sensor b is arranged between the weighing box a and the fixing plate a and electrically connected with the PLC b, the bottom of the weighing box a is provided with the discharge pipe c, the discharge pipe c penetrates through the fixing plate a and does not interfere with the fixing plate a, and the discharge pipe c is provided with the electromagnetic valve e which is electrically connected with the PLC b.

Preferably, the bottom of the weighing box a is symmetrically provided with material guide blocks b, the discharge ends of the material guide blocks b are provided with discharge pipes c, and the discharge pipes c are positioned above the mold.

Preferably, the weighing box b is installed on the fixing plate b, a gravity sensor c is arranged between the weighing box b and the fixing plate b and electrically connected with the PLC b, a discharge pipe d is arranged at the bottom of the weighing box b and penetrates through the fixing plate b, the discharge pipe d does not interfere with the fixing plate b, and an electromagnetic valve f is arranged on the discharge pipe d and electrically connected with the PLC b.

Preferably, the bottom of the weighing box b is symmetrically provided with material guide blocks c, the discharge end of the material guide blocks c is provided with a discharge pipe d, and the discharge pipe d is positioned above the mold.

The utility model has the following advantages: according to the utility model, the storage box, the buffer box and the weighing box are arranged, so that the raw materials are discharged in a grading manner and weighed, the raw materials in the mold are ensured to be equivalent, meanwhile, manual feeding is replaced, and the production efficiency is ensured.

Drawings

FIG. 1 is a schematic top view of a production line;

FIG. 2 is a schematic structural view of a dispensing unit;

FIG. 3 is a schematic view of the structure of the buffer tank;

FIG. 4 is a schematic structural view of a weighing bin b;

in the figure, 1-a material storage tank, 2-a discharge pipe a, 3-a solenoid valve a, 4-a frame, 5-a motor, 6-a buffer tank, 7-a discharge pipe b, 8-a solenoid valve b, 9-a shunt pipe a, 10-a solenoid valve c, 11-a shunt pipe b, 12-a solenoid valve d, 13-a weighing tank a, 15-a gravity sensor b, 16-a fixed plate a, 17-a discharge pipe c, 18-a solenoid valve e, 19-a weighing tank b, 21-a gravity sensor c, 22-a fixed plate b, 23-a discharge pipe d, 24-a solenoid valve f, 25-a mold, 26-a feed pipe, 27-a rotating shaft, 28-a stirring port, 30-a stirring rod, 31-a guide block a, 32-a gravity sensor a, 33-bearing seat, 34-guide block c, 101-vibration pressure area, 102-conveying belt, 103-blanking area.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, as shown in fig. 1 and fig. 2, an automatic production line for preparing large-scale precast blocks includes a storage box 1, a buffer box 6, a frame 4, a weighing box and a conveyer belt 102, the conveyer belt 102 sequentially passes through a seismic isolation area 101 and a blanking area 103, the seismic isolation area 101 and the conveyer belt 102 are both of the prior art, preferably, the conveyer belt 102 is a belt conveyer belt, and a driving device for driving the conveyer belt 102 to rotate is electrically connected to a PLC controller b. A discharge pipe a2 is arranged at the bottom of the material storage tank 1, a solenoid valve a3 is arranged on the discharge pipe a2, the solenoid valve a3 is electrically connected with a PLC (programmable logic controller) a, bearing seats 33 are arranged on two inner side walls of the frame 4, a buffer tank 6 is arranged on the bearing seats 33, and a gravity sensor a32 is arranged between the buffer box 6 and the bearing seat 33, the gravity sensor a32 is electrically connected with the PLC a, a discharge hole of a discharge pipe a2 is positioned in the buffer box 6, the motor 5 is installed at the top of the frame 4, the power output end of the motor 5 is connected with a stirring device, the stirring device is positioned inside the buffer box 6, a discharge pipe b7 is arranged at the bottom of the buffer box 6, an electromagnetic valve b8 is arranged on the discharge pipe b7, the electromagnetic valve b8 is electrically connected with the PLC a, a discharge hole of the discharge pipe b7 is positioned above the weighing box, the weighing box is guided into a corresponding mold 25 through the discharge device, and the mold 25 is arranged on the conveyor belt 102. Through setting up storage case 1, baffle-box 6 and weighing box, realized the hierarchical unloading of raw materials and weighed to guaranteed that the raw materials in the mould 25 is equivalent, also replaced the manual work simultaneously and reinforced, guaranteed production efficiency. Specifically, because the raw materials stored in the storage bin 1 are more, the mass of the raw materials is larger, and generally the raw materials are several tons to several tens of tons, so that the blanking precision is ensured by a classified blanking mode, in this embodiment, the mass of the raw materials stored in the storage bin is 15 tons, the PLC controller a controls the electromagnetic valve a3 to be opened, so that the raw materials in the storage bin 1 fall into the buffer bin 6 through the discharge pipe a2, the gravity sensor a32 detects the change of gravity of the buffer bin 6 in real time, when the gravity sensor a32 detects that the gravity of the buffer bin 6 reaches a set value, a signal is immediately sent to the PLC controller a, the PLC controller a receives and processes the signal, the electromagnetic valve a3 is immediately controlled to be closed, then the blanking into the buffer bin 6 is stopped, and after the blanking is completed, the motor 5 drives the stirring device to stir and mix the raw materials in the buffer bin 6.

Further, as shown in fig. 3, the upper surface of the buffer tank 6 is provided with a feeding pipe 26 and a stirring port 28, the discharging pipe a2 is located in the feeding pipe 26 and does not interfere with the feeding pipe 26, the stirring device extends into the buffer tank 6 through the stirring port 28 and does not interfere with the stirring port 28, the bottom of the buffer tank 6 is symmetrically provided with a material guiding block a31, the discharging pipe b7 is arranged at the discharging end of the material guiding block a31, and the discharging pipe b7 is located between the two force bearing seats 33. Further, the stirring device comprises a rotating shaft 27 and stirring rods 30, the rotating shaft 27 is located in the stirring port 28, the rotating shaft 27 does not interfere with the stirring port 28, the stirring rods 30 are mounted at the bottom of the rotating shaft 27, and the stirring rods 30 are matched with the surface of the material guide block a 31. Specifically, the discharge pipe a2 and the feed pipe 26 do not interfere with each other, and the rotating shaft 27 does not interfere with the stirring port 28, so that the gravity error detected by the gravity sensor can be reduced, and the stirring rod 30 has two main functions, one of which is stirring and mixing; secondly, the raw material in the buffer tank 6 is driven into the discharge pipe b7, so that the raw material is prevented from being accumulated in the buffer tank 6. In this example, the mass of the raw material in the buffer tank 6 was set to 1 ton.

In this embodiment, the discharging end of the discharging pipe b7 is communicated with the feeding ends of the shunt pipe a9 and the shunt pipe b11, the shunt pipe a9 and the shunt pipe b11 are of an inverted V shape, the shunt pipe a9 is provided with a solenoid valve c10, the shunt pipe b11 is provided with a solenoid valve d12, the solenoid valve c10 and the solenoid valve d12 are both electrically connected with the PLC controller b, and the discharging ports of the shunt pipe a9 and the shunt pipe b11 are located above the corresponding weighing box. Further, the weighing boxes comprise a weighing box a13 and a weighing box b19, the discharge port of a shunt pipe a9 is positioned above the weighing box a13, the discharge port of a shunt pipe b11 is positioned above the weighing box b19, and the weighing box a13 and the weighing box b19 are arranged side by side. The weighing compartments a13 and b19 are arranged side by side, that is to say the molds 25 are also arranged side by side, which improves the production efficiency. Specifically, when the raw material in buffer tank 6 reaches a set value, PLC controller a controls solenoid valve a3 to be opened again, and PLC controller b controls solenoid valve c10 to be opened, so that the raw material in buffer tank 6 is introduced into weighing tank a13 through discharge pipe b7 and diversion pipe a9, and when the gravity of weighing tank a13 reaches a set value, PLC controller b controls solenoid valve c10 to be closed, solenoid valve d12 is opened, and the remaining raw material in buffer tank 6 is introduced into weighing tank b19 through discharge pipe b7 and diversion pipe b 11. In this example, the mass of the stock in each of the weighing tanks a and b is 0.5 ton.

In this embodiment, the conveyer belts 102 are arranged side by side, and the conveyer belts 102 are arranged in a ring shape. The endless arrangement of the conveyor belts 102 may reduce the footprint.

In the embodiment, weighing box a13 is mounted on fixed plate a16, gravity sensor b15 is arranged between weighing box a13 and fixed plate a16, gravity sensor b15 is electrically connected with PLC b, discharge pipe c17 is arranged at the bottom of weighing box a13, discharge pipe c17 penetrates through fixed plate a16, discharge pipe c17 does not interfere with fixed plate a16, solenoid valve e18 is arranged on discharge pipe c17, and solenoid valve e18 is electrically connected with PLC b. Preferably, the bottom of the weighing box a13 is symmetrically provided with a material guide block b, the discharge end of the material guide block b is provided with a discharge pipe c17, and the discharge pipe c17 is positioned above the mold 25. Specifically, the material in the buffer tank 6 is introduced into the weighing tank a13, the gravity sensor b15 detects the gravity change of the weighing tank a13 in real time and sends a signal to the PLC controller b, the PLC controller b receives and processes the signal, when the detected gravity reaches a set value of 0.5 ton, the PLC controller b controls the electromagnetic valve c10 to be closed, and then controls the electromagnetic valve e18 to be opened, so that the raw material in the weighing tank a13 is introduced into the mold 25.

In the present embodiment, as shown in fig. 3, weighing box b19 is mounted on fixed plate b22, gravity sensor c21 is disposed between weighing box b19 and fixed plate b22, gravity sensor c21 is electrically connected to PLC controller b, discharge pipe d23 is disposed at the bottom of weighing box b19, discharge pipe d23 passes through fixed plate b22, discharge pipe d23 does not interfere with fixed plate b22, solenoid valve f24 is disposed on discharge pipe d23, and solenoid valve f24 is electrically connected to PLC controller b. Preferably, the bottom of the weighing box b19 is symmetrically provided with a material guide block c34, the discharging end of the material guide block c34 is provided with a discharging pipe d23, and the discharging pipe d23 is positioned above the mold 25. Specifically, when the weight of the weighing box a13 reaches a set value, the PLC controller b controls the solenoid valve c10 to close, the solenoid valve d12 is opened, the remaining materials in the buffer box 6 are introduced into the weighing box b19, the gravity sensor c21 detects the gravity change of the weighing box b19 in real time and sends a signal to the PLC controller b, the PLC controller b receives and processes the signal, when the detected gravity reaches a set value of 0.5 ton, the PLC controller b controls the solenoid valve d12 to close, then the solenoid valve f24 is controlled to open, the raw materials in the weighing box b19 are introduced into the mold 25, so that classified blanking is realized, and after blanking is completed, the PLC controller b controls the driving device to drive the conveying belt 102 to operate, so that the raw materials are sequentially conveyed to the seismic region 101 for seismic compaction molding and then conveyed to the blanking region 103 for blanking. In this embodiment, the blanking mode adopted by the blanking area 103 is a conventional blanking means. Preferably, the sections of the material guide block a31, the material guide block b and the material guide block c34 are all right-angled triangles, and the inclined plane of each right-angled triangle is a material guide surface. The guide surface mainly functions to prevent raw materials from being accumulated in the box body and ensure the integrity of blanking.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an automatic production line is used in preparation of large-scale prefabricated section which characterized in that: comprises a storage box (1), a buffer box (6), a frame (4), a weighing box and a conveyer belt (102), wherein the conveyer belt (102) sequentially passes through a vibration pressing area (101) and a blanking area (103), a discharge pipe a (2) is arranged at the bottom of the storage box (1), an electromagnetic valve a (3) is arranged on the discharge pipe a (2), the electromagnetic valve a (3) is electrically connected with a PLC (programmable logic controller) a, bearing seats (33) are arranged on two inner side walls of the frame (4), the buffer box (6) is arranged on the bearing seats (33), a gravity sensor a (32) is arranged between the buffer box (6) and the bearing seats (33), the gravity sensor a (32) is electrically connected with the PLC a, a discharge hole of the discharge pipe a (2) is arranged in the buffer box (6), a motor (5) is arranged at the top of the frame (4), the power take off end of motor (5) is connected with agitating unit, agitating unit is located inside buffer tank (6), the bottom of buffer tank (6) is provided with discharging pipe b (7), be provided with solenoid valve b (8) on discharging pipe b (7), solenoid valve b (8) with PLC controller an electricity is connected, the discharge gate of discharging pipe b (7) is located the top of weighing the case, the case of weighing passes through in the leading-in corresponding mould (25) of discharging device, mould (25) set up on conveyer belt (102).

2. The automatic production line for preparing large precast blocks according to claim 1, wherein: the upper surface of baffle-box (6) is provided with inlet pipe (26) and stirring mouth (28), discharging pipe a (2) are located in inlet pipe (26), and not with interference takes place for inlet pipe (26), agitating unit passes through stirring mouth (28) stretch into in baffle-box (6), just agitating unit not with interference takes place for stirring mouth (28), the bottom symmetry of baffle-box (6) is provided with guide block a (31), the discharge end department of guide block a (31) is provided with discharging pipe b (7), discharging pipe b (7) are located two between load seat (33).

3. The automatic production line for preparing large precast blocks according to claim 2, characterized in that: agitating unit includes pivot (27) and puddler (30), pivot (27) are located in stirring mouth (28), just pivot (27) do not with stirring mouth (28) take place to interfere, a plurality of are installed to the bottom of pivot (27) puddler (30), just puddler (30) with the surface matching of guide block a (31).

4. The automatic production line for manufacturing large precast blocks according to claim 3, wherein: the discharge end of discharging pipe b (7) and the pan feeding end intercommunication of shunt tubes a (9) and shunt tubes b (11), just shunt tubes a (9) with shunt tubes b (11) are the type of falling V, be provided with solenoid valve c (10) on shunt tubes a (9), be provided with solenoid valve d (12) on shunt tubes b (11), just solenoid valve c (10) with solenoid valve d (12) all are connected with PLC controller b electricity, shunt tubes a (9) with the discharge gate of shunt tubes b (11) is located the correspondence the top of weighing the case.

5. The automatic production line for preparing large precast blocks according to claim 4, wherein: the weighing box comprises a weighing box a (13) and a weighing box b (19), a discharge hole of the shunt pipe a (9) is located above the weighing box a (13), a discharge hole of the shunt pipe b (11) is located above the weighing box b (19), and the weighing box a (13) and the weighing box b (19) are arranged side by side.

6. The automatic production line for preparing large precast blocks according to claim 5, wherein: the conveyer belts (102) are arranged side by side, and the conveyer belts (102) are arranged in an annular shape.

7. The automatic production line for preparing large precast blocks according to claim 6, wherein: the weighing box a (13) is installed on a fixing plate a (16), a gravity sensor b (15) is arranged between the weighing box a (13) and the fixing plate a (16), the gravity sensor b (15) is electrically connected with the PLC (programmable logic controller) b, a discharge pipe c (17) is arranged at the bottom of the weighing box a (13), the discharge pipe c (17) penetrates through the fixing plate a (16), the discharge pipe c (17) does not interfere with the fixing plate a (16), an electromagnetic valve e (18) is arranged on the discharge pipe c (17), and the electromagnetic valve e (18) is electrically connected with the PLC (16).

8. The automatic production line for manufacturing large precast blocks according to claim 7, wherein: the bottom of the weighing box a (13) is symmetrically provided with material guide blocks b, the discharge ends of the material guide blocks b are provided with the discharge pipes c (17), and the discharge pipes c (17) are positioned above the mold (25).

9. The automatic production line for manufacturing large precast blocks according to claim 8, wherein: the weighing box b (19) is installed on a fixing plate b (22), a gravity sensor c (21) is arranged between the weighing box b (19) and the fixing plate b (22), the gravity sensor c (21) is electrically connected with the PLC b, a discharge pipe d (23) is arranged at the bottom of the weighing box b (19), the discharge pipe d (23) penetrates through the fixing plate b (22), the discharge pipe d (23) does not interfere with the fixing plate b (22), an electromagnetic valve f (24) is arranged on the discharge pipe d (23), and the electromagnetic valve f (24) is electrically connected with the PLC b.

10. The automatic production line for manufacturing large precast blocks according to claim 9, wherein: the bottom of the weighing box b (19) is symmetrically provided with material guide blocks c (34), the discharge end of the material guide blocks c (34) is provided with the discharge pipe d (23), and the discharge pipe d (23) is positioned above the mold (25).