Screening device

Abstract

The utility model relates to the technical field of construction equipment, in particular to a screening device. Comprising a shell, a filter plate is slidably connected into the shell, first positioning rods are in threaded connection with the two sides of one end of the filter plate, limiting plates are slidably connected to the outer sides of the first positioning rods, the limiting plates are in bolted connection with the shell, and second positioning rods are in threaded connection with the two sides of the other end of the filter plate; an intermittent driving mechanism used for driving the second positioning rod to reciprocate is mounted at the end, away from the limiting plate, of the shell and comprises a synchronous plate and a protective shell. According to the screening device, through cooperation of the shell, the filter plate, the intermittent driving mechanism and the flow adjusting mechanism, the filter plate can be replaced according to the screening requirement, then the intermittent driving mechanism works to drive the filter plate to move in a reciprocating mode for screening, vibration is generated through collision of the filter plate and the shell, and the screening effect is improved. To-be-filtered cement at the top of the filter plate is prevented from being accumulated.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction equipment technical field especially relates to a screening device. BACKGROUND

[0002] Cement is a kind of powdered inorganic cementitious material. After stirring with water, it becomes slurry, which can harden in air or better harden in water, and can firmly cement sand, stone and other materials together. The early mixture of lime and volcanic ash is very similar to modern lime-volcanic ash cement. The concrete made by cementing broken stones has not only high strength, but also can resist the erosion of fresh water or salt water. For a long time, it has been widely used as an important cementitious material in civil construction, water conservancy, national defense and other engineering.

[0003] Such as patent (CN218460120U) discloses a cement raw material screening device, including screening box, the side inner wall of screening box is opened and is equipped with side discharge gate, the side discharge gate is installed with screening plate, the side of screening box is fixedly installed with drive motor, the frame plate is slidably installed in the screening box, and the drive mechanism is arranged between the drive motor and the frame plate. The rotating mechanism is arranged between the screening plate and the frame plate, the support plate is fixedly installed on the top of the frame plate, the moving slot is formed in the side of the support plate, the moving plate is slidably installed in the moving slot, the hinged rod is hinged to the top of the moving plate, the top of the hinged rod is hinged to the screening plate, the rotating shaft is rotatably installed on the support plate, and the pushing mechanism is arranged between the rotating shaft and the moving plate. The design is reasonable, the raw materials are conveniently screened by the up-down reciprocating movement and reciprocating rotation of the screening plate, and the unqualified raw materials can be discharged through the side discharge gate;

[0004] When the above-mentioned technology is used, it is found that the existing technology has the following technical problems: when cement needs to be constructed, it needs to be screened by a screening device, but the screening effect of the existing screening device is not good when it is used, therefore, a screening device is designed to provide another technical solution for the above-mentioned technical problems. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a screening device for solving the technical problem that the screening effect of the existing screening device is not good when cement needs to be constructed.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A screening device, including a shell, the inside of the shell is slidably connected with a filter plate, both sides of one end of the filter plate are threadedly connected with first positioning rods, the outside of the first positioning rods is slidably connected with a limiting plate, the limiting plate is bolted to the shell, both sides of the other end of the filter plate are threadedly connected with second positioning rods, the shell is provided with an intermittent driving mechanism for driving the second positioning rods to reciprocate at the end away from the limiting plate, the intermittent driving mechanism includes a synchronization plate and a protective shell, the protective shell is fixed to the end of the shell and located outside the second positioning rods, the second positioning rods are slidably connected with the protective shell, the outside of the second positioning rods and located inside the protective shell is rotatably connected with the synchronization plate, and the synchronization plate is slidably connected with the protective shell.

[0008] As a preferred embodiment of the screening device provided by the utility model, the second positioning rod is fixed with a rotating block at the end away from the filter plate.

[0009] As a preferred embodiment of the screening device provided by the utility model, the intermittent driving mechanism includes a rotating disc, a reciprocating driving rotary motor and an adjusting shaft, the reciprocating driving rotary motor is fixed to the top of the inside of the protective shell, the output end of the reciprocating driving rotary motor is connected with the rotating disc, the adjusting shaft is fixed to one side of the bottom of the rotating disc, and the adjusting shaft is slidably connected with the synchronization plate.

[0010] As a preferred embodiment of the screening device provided by the utility model, the top of the synchronization plate is provided with a sliding groove, and the adjusting shaft is slidably connected with the synchronization plate through the sliding groove.

[0011] As a preferred embodiment of the screening device provided by the utility model, both ends of the inside of the shell and located at the top of the shell are slidably connected with quantity adjusting plates, the top of one end adjacent to the two quantity adjusting plates is provided with a guide inclined surface, and the shell is provided with a flow adjusting mechanism for driving the two quantity adjusting plates to move reversely.

[0012] As a preferred implementation form of the screening device, the flow adjusting mechanism comprises a positioning shell, a displacement adjusting drive rotary motor, an adjusting main bevel gear, an adjusting slave bevel gear, a rotating rod, a threaded section and a displacement adjusting plate, one side of the shell body is fixed with the positioning shell, both ends of one side of the positioning shell are slidably connected with the displacement adjusting plates, one end of the displacement adjusting plate penetrates through the shell body and is fixed with the flow adjusting plate, the inside of the positioning shell is fixed with the displacement adjusting drive rotary motor, the output end of the displacement adjusting drive rotary motor is connected with the adjusting main bevel gear, one side of the adjusting main bevel gear is meshingly connected with the adjusting slave bevel gear, the inside of the adjusting slave bevel gear is fixed with the rotating rod, the rotating rod is rotatably connected with the positioning shell, both ends of the outer side of the rotating rod are provided with the threaded sections, the threads of the two threaded sections are opposite in rotation direction, and the outer side of the threaded section is in threaded connection with the displacement adjusting plate.

[0013] It can be seen without doubt that the above technical solutions of the present application can certainly solve the technical problems to be solved by the present application.

[0014] Meanwhile, by means of the above technical solutions, the screening device provided by the present application has at least the following beneficial effects:

[0015] The screening device provided by the present application can replace the filter plate according to the screening requirement, then drive the filter plate to move back and forth for screening through the work of the intermittent driving mechanism, and prevent the cement to be filtered on the top of the filter plate from being accumulated through the vibration caused by the collision between the filter plate and the shell body.

[0016] Through the cooperation of the first positioning rod, the second positioning rod, the synchronous plate and the rotating disc, the rotating disc can drive the synchronous plate to move back and forth through the shell body, the synchronous plate can drive the second positioning rod and the first positioning rod to move back and forth, the second positioning rod can be disassembled through the threaded connection with the filter plate when the filter plate is replaced, and then the filter plate can be taken out and replaced through the position of the limiting plate.

[0017] Through the cooperation of the positioning shell, the rotating rod and the flow adjusting plate, the rotating rod can drive the flow adjusting plate to move through the displacement adjusting plate, the cement entering the inside of the shell body can be controlled in flow through the opposite movement of the two flow adjusting plates when the two flow adjusting plates are close to each other, and the accumulation speed of the cement on the top of the filter plate is slowed down. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the internal structure of the shell of the present application.

[0021] Figure 3 It is a schematic diagram of the structure of the shell of the present application.

[0022] Figure 4 It is a schematic diagram of the structure of the filter plate of the present application.

[0023] Figure 5 It is a schematic diagram of the structure of the synchronization plate of the present application.

[0024] Figure 6 It is a schematic diagram of the internal structure of the positioning shell of the present application.

[0025] In the figure: 1, shell; 2, limiting plate; 3, filter plate; 4, first positioning rod; 5, second positioning rod; 6, rotating block; 7, synchronization plate; 8, rotating disc; 9, reciprocating drive rotary motor; 10, adjusting shaft; 11, protective shell; 12, positioning shell; 13, amount adjusting plate; 14, guide inclined surface; 15, displacement adjusting drive rotary motor; 16, adjusting main bevel gear; 17, adjusting slave bevel gear; 18, rotating rod; 19, threaded section; 20, displacement adjusting plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0027] In order to make the personnel in the technical field better understand the present application scheme, the following will combine the drawings to clearly and completely describe the technical scheme in the embodiment of the present application.

[0028] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0029] It should be noted that like reference numerals and characters refer to like items throughout the drawings and that once an item is defined in one drawing, further definitions and explanations will not be necessary in the subsequent drawings.

[0030] Embodiment one

[0031] With reference to Figures 1-5 A screening device, comprising a shell 1, a filter plate 3 is slidably connected inside the shell 1, so that the cement entering from the top of the shell 1 slides downward after being filtered by the filter plate 3 and slides out through the bottom of one end of the shell 1, the first positioning rod 4 is threadedly connected to both sides of one end of the filter plate 3, so that the filter plate 3 and the first positioning rod 4 are detachably assembled through threaded connection, the limiting plate 2 is slidably connected to the outside of the first positioning rod 4, so that the first positioning rod 4 and the limiting plate 2 are detachably assembled through sliding connection, the limiting plate 2 is bolted to the shell 1, so as to position the height of the first positioning rod 4 by installing the limiting plate 2 on the shell 1, the second positioning rod 5 is threadedly connected to both sides of the other end of the filter plate 3, so that the second positioning rod 5 and the filter plate 3 are detachably assembled through threaded connection;

[0032] An intermittent driving mechanism for driving the second positioning rod 5 to reciprocate is installed at the end of the shell 1 away from the limiting plate 2, so that the intermittent driving mechanism drives the second positioning rod 5 and the sliding connection of the first positioning rod 4 and the limiting plate 2 to drive the filter plate 3 to reciprocate, so that the filter plate 3 screens the cement at the top, the intermittent driving mechanism comprises a synchronous plate 7, a rotating disc 8, a reciprocating driving rotary motor 9, an adjusting shaft 10 and a protective shell 11, the protective shell 11 is fixed to one end of the shell 1 and outside the second positioning rod 5, the second positioning rod 5 is slidably connected to the protective shell 11, so that the second positioning rod 5 can translate inside the protective shell 11 through sliding;

[0033] The synchronous plate 7 is rotatably connected to the outside of the second positioning rod 5 and inside the protective shell 11, and the synchronous plate 7 is slidably connected to the protective shell 11, so that the translation of the synchronous plate 7 drives the second positioning rod 5 to drive the threaded filter plate 3 to slide, and at the same time the second positioning rod 5 can rotate independently inside the synchronous plate 7, the rotating block 6 is fixed to the end of the second positioning rod 5 away from the filter plate 3, so as to drive the second positioning rod 5 to rotate by manually holding or tooling the rotating block 6;

[0034] The reciprocating drive rotary motor 9 is fixed at the top end inside the protective shell 11, the output end of the reciprocating drive rotary motor 9 is connected with the rotating disc 8, the adjusting shaft 10 is fixed at the bottom of one side of the rotating disc 8, the adjusting shaft 10 is slidably connected with the synchronous plate 7, so that the rotation of the rotating disc 8 drives the adjusting shaft 10 to rotate, and the adjusting shaft 10 drives the synchronous plate 7 and the second positioning rod 5 to slide in the inside of the protective shell 11 through the sliding connection with the synchronous plate 7, the top of the synchronous plate 7 is provided with a sliding groove, and the adjusting shaft 10 is slidably connected with the synchronous plate 7 through the sliding groove, so that the adjusting shaft 10 can conveniently drive the synchronous plate 7 to slide at different angles through the sliding groove when the rotating disc 8 rotates.

[0035] The use process of the screening device is as follows: before the cement needs to enter the top of the shell body 1 for filtration, according to the specification of the cement that needs to be filtered, the limiting plate 2 is disassembled from the shell body 1 through the rotation of the bolt, then the rotating block 6 is rotated, the rotating block 6 drives the second positioning rod 5 to rotate, the second positioning rod 5 is separated from the filter plate 3 connected through the thread, then the filter plate 3 is taken out by pulling the first positioning rod 4, after the filter plate 3 is taken down from the first positioning rod 4 through the thread connection, the filter plate 3 is replaced to a suitable specification, then the filter plate 3 is installed with the first positioning rod 4 through the thread connection, after the first positioning rod 4 is put into the inside of the shell body 1 through sliding, the second positioning rod 5 is installed with the first positioning rod 4 through the thread connection, then the limiting plate 2 is installed with the shell body 1 through the bolt after the limiting plate 2 is installed with the first positioning rod 4 through the sliding connection;

[0036] Then the cement that needs to be filtered enters the top of the shell body 1 and is located at the top of the filter plate 3, the reciprocating drive rotary motor 9 is powered to drive the rotating disc 8 to rotate, the rotating disc 8 drives the adjusting shaft 10 to rotate, the adjusting shaft 10 drives the slidingly connected synchronous plate 7 to slide, the synchronous plate 7 drives the second positioning rod 5 to slide in the inside of the protective shell 11, and the second positioning rod 5 drives the filter plate 3 to reciprocate after the filter plate 3 is limited in height through the sliding connection of the first positioning rod 4 and the limiting plate 2, thereby screening the cement at the top of the filter plate 3, and the screened cement slides out from the bottom of the inside of the shell body 1.

[0037] Embodiment two

[0038] Reference Figure 2 , Figure 3 and Figure 6The both ends of the inside of the shell 1 and the top of the shell 1 are slidably connected with the quantity adjusting plates 13, the top of the adjacent end of the two quantity adjusting plates 13 is provided with the guide inclined surface 14, so that when the quantity adjusting plates 13 move to block the filtered cement, the cement is prevented from being accumulated on the top of the quantity adjusting plates 13 through the guide inclined surface 14; the side of the shell 1 is provided with the flow adjusting mechanism for reversely moving the two quantity adjusting plates 13, the flow adjusting mechanism comprises the positioning shell 12, the displacement adjusting drive rotary motor 15, the adjusting main bevel gear 16, the adjusting slave bevel gear 17, the rotating rod 18, the threaded section 19 and the displacement adjusting plate 20, the side of the shell 1 is fixedly provided with the positioning shell 12, the both ends of the side of the positioning shell 12 are slidably connected with the displacement adjusting plates 20, and one end of the displacement adjusting plate 20 penetrates through the shell 1 and is fixed with the quantity adjusting plate 13, so that the movement of the displacement adjusting plate 20 drives the corresponding quantity adjusting plate 13 to move in the inside of the shell 1.

[0039] The inside of the positioning shell 12 is fixedly provided with the displacement adjusting drive rotary motor 15, the output end of the displacement adjusting drive rotary motor 15 is connected with the adjusting main bevel gear 16, one side of the adjusting main bevel gear 16 is meshingly connected with the adjusting slave bevel gear 17, the inside of the adjusting slave bevel gear 17 is fixedly provided with the rotating rod 18, the rotating rod 18 is rotatably connected with the positioning shell 12, so that the rotation of the rotating rod 18 is more stable, the both ends of the outer side of the rotating rod 18 are provided with the threaded sections 19, the thread rotation directions of the two threaded sections 19 are opposite, the outer side of the threaded section 19 is screwedly connected with the displacement adjusting plate 20, so that the rotation of the rotating rod 18 drives the two displacement adjusting plates 20 to reversely move through the two threaded sections 19 with opposite thread rotation directions, and the displacement adjusting plate 20 drives the quantity adjusting plate 13 to move.

[0040] The use process of the screening device is as follows: when it is needed to adjust the flow of the cement filtered into the inside of the shell 1, the displacement adjusting drive rotary motor 15 is electrically connected with the external power supply through wires to drive the adjusting main bevel gear 16 to rotate, the rotation of the adjusting main bevel gear 16 drives the meshingly connected adjusting slave bevel gear 17 to rotate, the rotation of the adjusting slave bevel gear 17 drives the rotating rod 18 to rotate, the rotation of the rotating rod 18 drives the threaded sections 19 at the both ends to rotate, the rotation of the threaded sections 19 drives the screwedly connected displacement adjusting plates 20 to slide in the inside of the positioning shell 12, the reverse movement of the two displacement adjusting plates 20 drives the two quantity adjusting plates 13 to reversely move, and the reverse movement of the two quantity adjusting plates 13 adjusts the flow of the cement entering the top end of the inside of the shell 1.

[0041] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A screening device, characterized in that, The utility model relates to a filter plate device, including shell (1), the inside sliding joint of shell (1) has filter plate (3), both sides of filter plate (3) one end are all threadedly connected with first positioning rod (4), the outside sliding joint of first positioning rod (4) has limit stop (2), limit stop (2) is bolted with shell (1), both sides of filter plate (3) other end are all threadedly connected with second positioning rod (5), the one end of shell (1) away from limit stop (2) is installed for the intermittent drive mechanism of driving second positioning rod (5) and reciprocating moves, the intermittent drive mechanism includes synchronous board (7) and protection shell (11), one end of shell (1) and located second positioning rod (5) outside fixed protection shell (11), second positioning rod (5) is slidingly connected with protection shell (11), the outside of second positioning rod (5) and located protection shell (11) inside rotationally connected with synchronous board (7), and synchronous board (7) is slidingly connected with protection shell (11).

2. A screening device according to claim 1, wherein, The one end of second positioning rod (5) away from filter plate (3) is fixed with rotating block (6).

3. The screening device of claim 1, wherein, The intermittent drive mechanism includes rotating disc (8), reciprocating drive rotary motor (9) and adjusting shaft (10), the inside top of protection shell (11) is fixed with reciprocating drive rotary motor (9), the output of reciprocating drive rotary motor (9) is connected with rotating disc (8), the one side of rotating disc (8) bottom is fixed with adjusting shaft (10), adjusting shaft (10) is slidingly connected with synchronous board (7).

4. A screening device according to claim 3, wherein, The top of synchronous board (7) is equipped with sliding slot, and adjusting shaft (10) is slidingly connected with synchronous board (7) through the sliding slot.

5. The screening device of claim 1, wherein, Both ends of the inside of shell (1) and located at the top of shell (1) are slidingly connected with the amount of incoming adjusting plate (13), the top of adjacent end of two incoming amount adjusting plates (13) is equipped with guide inclined plane (14), and one side of shell (1) is provided with flow regulating mechanism for driving two incoming amount adjusting plates (13) to move reversely.

6. A screening device according to claim 5, wherein, The flow adjusting mechanism comprises a positioning shell (12), a displacement adjusting drive rotary motor (15), an adjusting main bevel gear (16), an adjusting slave bevel gear (17), a rotating rod (18), a threaded section (19) and a displacement adjusting plate (20), one side of the shell (1) is fixed with the positioning shell (12), both ends of one side of the positioning shell (12) are slidably connected with the displacement adjusting plate (20), one end of the displacement adjusting plate (20) penetrates through the shell (1) and is fixed with the flow adjusting plate (13), the inside of the positioning shell (12) is fixed with the displacement adjusting drive rotary motor (15), the output end of the displacement adjusting drive rotary motor (15) is connected with the adjusting main bevel gear (16), one side of the adjusting main bevel gear (16) is meshedly connected with the adjusting slave bevel gear (17), the inside of the adjusting slave bevel gear (17) is fixed with the rotating rod (18), the rotating rod (18) is rotationally connected with the positioning shell (12), both ends of the outer side of the rotating rod (18) are provided with the threaded section (19), the threads of the two threaded sections (19) are opposite, the outer side of the threaded section (19) is screwedly connected with the displacement adjusting plate (20).

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