CN217190776U

CN217190776U - Screen mounting structure of vibrating screen

Info

Publication number: CN217190776U
Application number: CN202123302481.6U
Authority: CN
Inventors: 唐道武; 唐佳玟; 唐吉辰
Original assignee: Qionglai Litian Machinery Manufacturing Co ltd
Current assignee: Qionglai Litian Machinery Manufacturing Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-16
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a vibrating screen mounting structure which comprises a frame body and a screen plate, wherein, a left side plate and a right side plate are arranged on two sides of the frame body, and the screen plate is arranged on the frame body and positioned between the left side plate and the right side plate; the left side and the right side of the sieve plate are fastened on the frame body through U-shaped buckle plates respectively; both sides of the sieve plate are bent upwards and inwards to form bent edges, and the bent edges are fastened in a U-shaped groove of the U-shaped buckle plate through the U-shaped buckle plate which is obliquely and reversely buckled. The utility model has the advantages that: the vibrating screen can be conveniently replaced and installed, and is stable to install and quick to operate.

Description

Screen mounting structure of vibrating screen

Technical Field

The utility model relates to a shale shaker technical field, especially shale shaker screen cloth mounting structure.

Background

The vibrating screen is important screening equipment of a thermal power plant, and achieves the purpose of sorting proper particle size by screening coal, coal slime, coal ash, limestone and other equipment.

The sieve plate is one of the main working parts of the vibrating screen, and is mainly used for controlling the grading granularity of materials, bearing the parts of forward movement of the materials and sieving of small-particle materials, the sieve plate of the vibrating screen belongs to wear consumables and is frequently required to be replaced, and meanwhile, different customers have different requirements on the granularity of the materials, so that the sieve holes are different in size, and the sieve plate also needs to be frequently replaced.

However, the existing sieve plate is characterized in that holes are formed in the periphery of the common sieve frame, bolts are used for fixing the common sieve plate, or the common sieve plate is fixed through the bolts after the common sieve plate is tightly pressed by the strip-shaped pressing plate, all the bolts are required to be completely removed during replacement, the pressing plate is taken down, and then the sieve frame is replaced, so that the defects of high maintenance cost, long time for replacing the sieve plate and high labor consumption are caused. Generally, each screen machine is provided with two or thirty fast screen plates to form a set of screen surface, a large-sized vibrating screen even reaches nearly fifty screen plates and is limited by field conditions, screen plate replacement is heavy and time-consuming, one class is required, maintenance time is limited, and if screen plate replacement is long, startup operation of the whole system is delayed, and production is affected.

Therefore, for solving the problems, the vibrating screen mounting structure is designed, the vibrating screen can be conveniently replaced and mounted, the mounting is stable, and the operation is fast and simple.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a shale shaker screen cloth mounting structure, can be convenient for trade or install the shale shaker screen cloth, and the installation is firm, and the operation is swift simple.

The purpose of the utility model is realized through the following technical scheme:

shale shaker screen cloth mounting structure:

the screen plate is arranged on the frame body and positioned between the left side plate and the right side plate;

the left side and the right side of the sieve plate are fastened on the frame body through U-shaped buckle plates respectively;

both sides of the sieve plate are bent upwards and inwards to form bent edges, and the bent edges are tightly buckled in U-shaped grooves of the U-shaped buckle plates through the inclined and inverted U-shaped buckle plates.

Furthermore, the U-shaped buckle plate is provided with a long waist-shaped hole, and the U-shaped buckle plate is locked and installed on the left side plate or the right side plate through a bolt through the long waist-shaped hole.

Furthermore, the frame body comprises a rectangular frame body frame and a support beam which is arranged along the length direction of the vibrating screen and is positioned in the middle of the frame body frame;

and the support beam is also provided with a plurality of thread through holes along the length direction, and the sieve plate also passes through the thread through holes and gaps on the sieve plate and is locked on the support beam through locking screws.

Furthermore, the frame body outsides of two sides of the frame body frame upwards extend for a certain distance to form two contact supporting parts, and the side edge above the U-shaped buckle plate is supported on the contact supporting parts.

Furthermore, the top of the left side plate and the top of the right side plate respectively extend inwards to form a hanging plate, two hanging holes are formed in the hanging plate, and two round holes are formed in the side edge below the U-shaped buckle plate corresponding to the two hanging holes;

the middle part of the hanging plate is also vertically provided with a pressing rod, and the pressing rod is in threaded connection with the middle part of the hanging plate;

the top of the pressing rod is provided with a rotating handle, the bottom of the pressing rod is provided with a pressing block, and when the pressing rod is rotated downwards to the lower limit position of the rotating pressing rod, the pressing block can be tightly abutted to the U-shaped buckling plate. When unscrewing the bolt, U type buckle is not hard up, and the sieve can be pulled in the space that forms stability between U type buckle and sieve, consequently, usable elastic band that has the couple is hung and is detained between hanging hole and round hole, then the depression bar compresses tightly U type buckle of unscrewing, utilizes the squeezing action of depression bar and the tensile effect of elastic band, adjusts the angle of U type buckle to in direct pull goes out the sieve, and then can be convenient for the installation and the change of single quick completion sieve.

Furthermore, the sieve plate is also provided with a knocking device, and the knocking device comprises an elastic hitting ball, a spring, a stop block, an elastic rope, a fixed ball and a fixed plate matched with the fixed ball, which are sequentially connected;

the fixing plate is provided with a slit which can be clamped into the elastic rope, the fixing plate is also provided with a spherical groove matched with the fixing ball, and the tail end of the slit is positioned at the bottom of the spherical groove;

the diameter of the fixed ball is smaller than the aperture of the screen.

Furthermore, the slit is a bent curved slit, a torsion spring capable of rotating in a single direction is arranged at the slit, and a torsion bar at one end of the torsion spring extends into the slit to form a single-direction blocking rod.

Furthermore, the left side plate, the right side plate and the frame body are of an integral structure. Can make the device more stable

Furthermore, the sieve plate is composed of a plurality of sieve plate blocks which are sequentially arranged along the length direction of the vibrating screen. When the sieve plate is used, only the damaged sieve plate needs to be replaced after part of the sieve plates are damaged, and the cost is saved.

Furthermore, the sieve plate blocks are latticed mesh grid sieve plates, and reinforcing steel bars at the left edge and the right edge of each mesh grid sieve plate are bent upwards to form bent edges. The bending edge of the sieve plate can be woven through adjustment in actual production, so that the sieve plate is suitable for the vibrating screen, is more flexible in actual application, and can be properly adjusted by combining the buckling angle of the U-shaped buckle plate, the application range of the equipment to the size of the sieve plate is large, the precision requirement is not high, and compared with the prior art, the size of the sieve plate is adjustable to a certain extent, and the cost is further saved.

The utility model has the advantages of it is following: (1) the side edge of the sieve plate is bent upwards to form a bent edge, the installation structure tightly presses the sieve plate through the inverted buckle of the U-shaped buckle plate and buckles the bent edge into the U-shaped groove of the U-shaped buckle plate, so that the installation and fixation of the sieve plate are realized, and the sieve plate is also fastened and locked on the supporting beam through the reinforcement of the screw, so that the sieve plate is more stably fixed;

(2) the design of the U-shaped buckle plate with inclination and back-off, when the sieve plate is replaced, only the bolt needs to be unscrewed, the U-shaped buckle plate which is not loosened is lifted by a certain angle, the sieve plate can be drawn out, the sieve plate is replaced, the bolt does not need to be completely disassembled, the step of aligning the mounting bolt one by one when the follow-up installation is omitted, and the components such as a dismounting pressing plate are not needed, the scheme is replaced at last and is completed, only the bolt needs to be screwed down again, the U-shaped buckle plate is enabled to be compressed tightly with the sieve plate, the replacement is greatly simplified, the step and the flow of the sieve plate are installed, and the time for replacing the sieve plate is shortened.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the U-shaped buckle on the sieve plate of the present invention;

FIG. 4 is a schematic view of the U-shaped buckle plate of the present invention;

FIG. 5 is a schematic side view of the U-shaped buckle of the present invention;

fig. 6 is a schematic structural view of the rapping device;

fig. 7 is a schematic view of the rapping device with the fixed plate removed;

FIG. 8 is a schematic view of a fixing plate;

FIG. 9 is a schematic view of a torsion spring;

fig. 10 is a schematic view of the mesh screen plate of the present invention;

in the figure: 1-frame body, 2-screen plate, 3-left side plate, 4-right side plate, 5-U-shaped buckle plate, 6-bolt, 7-bolt, 8-pressure rod, 9-knocking device, 101-frame body frame, 102-supporting beam, 103-threaded through hole, 105-contact part, 201-screen plate block, 202-bent edge, 401-hanging plate, 402-hanging hole, 501-long waist-shaped opening hole, 502-round hole, 701-gasket, 801-rotating handle, 802-pressing block, 901-hitting ball, 902-spring, 903-fixing plate, 904-stopper, 905-fixing ball, 906-elastic rope, 907-spherical groove, 908-slit, 909-torsion spring and 9091-one-way plugging rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-5, the screen mounting structure of the vibrating screen comprises a frame body 1, a screen plate 2, a left side plate 3, a right side plate 4 and two U-shaped pinch plates 5, wherein, the top of the frame body 1 is a rectangular frame body frame 101, the middle part of the frame body frame 101 is provided with a supporting beam 102, the supporting beam 102 is arranged along the length direction of the vibrating screen, the screen plate 2 is arranged on the frame body 1 and is arranged between a left side plate 3 and a right side plate 4, the left side and the right side of the screen plate 2 are both upward, and is bent inwards to form a bent edge 202, the bent edge 202 is tightly buckled in a U-shaped groove of the U-shaped buckle plate 5 through the obliquely and reversely buckled U-shaped buckle plate 5, a long waist-shaped opening 501 is arranged on the U-shaped buckle plate 5, the U-shaped buckle plate 5 passes through the long waist-shaped opening 501, and is locked and installed on the left side plate 3 or the right side plate 4 through a bolt 6, the outer parts of the two side frames of the frame body frame 101 extend upwards for a certain distance to form a contact supporting part 105, and the upper side edge of the U-shaped buckle plate 5 is supported on the contact supporting part 105.

The design of the U-shaped buckle plate 5 which is inclined and inverted is adopted, when the sieve plate is replaced, the bolt 6 can be only unscrewed, the U-shaped buckle plate 5 is loosened, the loosened U-shaped buckle plate 5 is lifted by a certain angle, the sieve plate 2 can be drawn out, the sieve plate 2 is replaced, the bolt 6 is screwed after the replacement is completed, the sieve plate 2 is pressed by the U-shaped buckle plate 5, the steps and the flow of replacing and installing the sieve plate 2 are greatly simplified, and the time for replacing the sieve plate 2 is shortened.

In order to more stably install the screen plate 5, a plurality of threaded through holes 103 are further formed in the support beam 102, and the screen plate 2 is further strengthened and locked on the middle support beam 102 through the threaded through holes 103 and gaps on the screen plate 2 through locking screws 7; a gasket 701 is also padded between the locking screw 7 and the sieve plate 5.

In this scheme, sieve 2 is assembled by a plurality of sieve plates 201 and is constituteed, the pull change form of this scheme when changing sieve 2 more is favorable to being suitable for latticed woven mesh sieve, consequently, as shown in fig. 10, 2 optional woven mesh sieves of sieve of this scheme, the reinforcing bar with the woven mesh sieve left and right sides edge all upwards buckles and forms crimp 202, can carry out subsequent installation and application, prior art if compress tightly reel or sieve through the clamp plate, easily produce in the fixed department and hide the material corner.

In this scheme, left side board 3, right side board 4, support body 1 are a whole, more do benefit to the steadiness of whole device, still install vibrating motor on the support body simultaneously, for equipment provides vibration power, support body 1 is whole still through setting up the spring in 1 lateral part of support body or bottom, installs not drawing in the picture on the frame of shale shaker bottom.

When the screen plate 2 is replaced, in order to conveniently realize single replacement, the U-shaped buckle plate 5 does not need to be lifted by a plurality of persons in an auxiliary way, the top of the left side plate 3 and the top of the right side plate 4 of the scheme further extend horizontally towards the inner side for a certain distance to form two hanging plates 401, two hanging holes 402 are arranged on the hanging plates 401, a pressure rod 8 is arranged in the middle of each hanging hole 402, two round holes 502 are arranged on the side edge of the U-shaped buckle plate 5 for pressing the screen plate 2, when the screen plate 2 is replaced, a locking screw 7, a gasket 701 and the like on the screen plate 2 can be firstly disassembled, then each bolt 6 is unscrewed, an elastic belt with hooks arranged at two ends is connected between the hanging holes 402 and the round holes 502, so that the U-shaped buckle plate 5 is pulled upwards, then a rotating handle 801 at the top of the pressure rod 8 is rotated, the pressing block 802 at the bottom of the rotating pressure rod 8 downwards presses the U-shaped buckle plate 5, then the elastic belt is properly tightened, and the angle of the U-shaped buckle plate 5 is adjusted, thereby make 5 perk certain angles of U type buckle back and sieve 2 the crimp 202 within a definite time produce certain space, at last, can realize that single pull goes out sieve 2 and carries out the change of sieve, and in this scheme, long waist type trompil 501 on the U type buckle 5 can be convenient for make U type buckle 5 be suitable for not unidimensional sieve 2, also provides the adjustment basis for the angular adjustment who realizes U type buckle 5 when changing sieve 2.

As shown in fig. 6 to 9, in the present scheme, a plurality of rapping devices 9 are further arranged on the screen plate 2, the rapping devices 9 can strike the screen plate 2 from the bottom of the screen plate 2 along with the vibration of the equipment, so as to prevent the material from blocking the screen holes, the knocking device 9 comprises an elastic knocking ball 901 for knocking, a spring 902 is connected above the knocking ball 901, the spring 902 is connected with a fixed ball 905 through a section of elastic rope 906, the knocking device 9 further comprises a fixed plate 903, a slit 908 for clamping the carbon force rope is arranged on the fixed plate 903, and a ball recess 907 fitted with the fixing ball 905, the slit 908 has a bent curved shape, when the knocking device 9 is installed, the fixing balls 905 pass through the sieve holes from the bottom of the sieve plate 2, the elastic ropes 906 are clamped into the slits 908, so that the fixing balls 905 enter the spherical grooves 907, the installation of the knocking device 9 can be completed, and the installation is simple, convenient and quick and can be used at any time.

Meanwhile, in order to further prevent the fixing ball 905 and the elastic rope 906 from sliding out of the fixing plate 903, a torsion spring 909 is further installed at the slit 908, a torsion bar at one end of the torsion spring 909 extends into the slit 908 to form a one-way blocking rod 9091, and the one-way blocking rod 9091 is arranged so that the fixing ball 905 can be clamped into the spherical groove 907 but cannot slide out easily; a stop 904 is also provided between the bungee cord 906 and the spring 902 to prevent the top of the spring 902 from snapping into the screen hole.

In this embodiment, the bungee cord 906 is of a shorter length to allow the stop 904 to press against the screen deck 2.

Claims

1. Shale shaker screen cloth mounting structure, its characterized in that:

the screen plate comprises a frame body (1) and a screen plate (2), wherein a left side plate (3) and a right side plate (4) are arranged on two sides of the frame body (1), and the screen plate (2) is arranged on the frame body (1) and is positioned between the left side plate (3) and the right side plate (4);

the left side and the right side of the sieve plate (2) are fastened on the frame body (1) through U-shaped fastening plates (5);

both sides of the sieve plate (2) are bent upwards and inwards to form bent edges (202), and the bent edges (202) are tightly buckled in a U-shaped groove of the U-shaped buckle plate (5) through the inclined and reversed U-shaped buckle plate (5).

2. The vibrating screen mounting structure of claim 1, wherein: the U-shaped buckle plate (5) is provided with a long waist-shaped hole (501), and the U-shaped buckle plate (5) is locked and installed on the left side plate (3) or the right side plate (4) through the long waist-shaped hole (501) through a bolt (6).

3. A shaker screen mounting arrangement as claimed in claim 2, wherein: the frame body (1) comprises a rectangular frame body frame (101) and a support beam (102) which is arranged along the length direction of the vibrating screen and is positioned in the middle of the frame body frame (101); the support beam (102) is further provided with a plurality of threaded through holes (103) along the length direction, and the sieve plate (2) is further locked on the support beam (102) through the threaded through holes (103) and gaps on the sieve plate (2) through locking screws (7).

4. A shaker screen mounting arrangement as claimed in claim 3, wherein: the outside of the frame body on two sides of the frame body frame (101) upwards extends for a certain distance to form two contact parts (105), and the side edge above the U-shaped buckle plate (5) is contacted with the contact parts (105).

5. A shaker screen mounting arrangement as claimed in claim 4, wherein: the top of the left side plate (3) and the top of the right side plate (4) extend inwards in each direction to form a hanging plate (401), two hanging holes (402) are formed in the hanging plate (401), and two round holes (502) are formed in the side edge below the U-shaped buckle plate (5) corresponding to the two hanging holes (402);

the middle part of the hanging plate (401) is also vertically provided with a pressure lever (8), and the pressure lever (8) is in threaded connection with the middle part of the hanging plate (401);

the top of the pressure lever (8) is provided with a rotating handle (801), the bottom of the pressure lever is provided with a pressing block (802), and when the pressure lever (8) is rotated downwards to the lower limit position of the rotating pressure lever (8), the pressing block (802) can be tightly abutted to the U-shaped buckle plate (5).

6. A shaker screen mounting arrangement as claimed in claim 5, wherein: the screen plate (2) is also provided with a knocking device (9), and the knocking device (9) comprises an elastic knocking ball (901), a spring (902), a baffle (904), an elastic rope (906), a fixed ball (905) and a fixed plate (903) matched with the fixed ball (905) which are connected in sequence;

a slit (908) capable of being clamped into the elastic rope (906) is formed in the fixing plate (903), a spherical groove (907) matched with the fixing ball (905) is further formed in the fixing plate (903), and the tail end of the slit (908) is located at the bottom of the spherical groove (907);

the diameter of the fixing ball (905) is smaller than the aperture of the screen.

7. The vibrating screen mounting structure of claim 6, wherein: the slit (908) is a bent curved slit, a torsion spring (909) capable of rotating in a single direction is arranged at the slit (908), and a torsion bar at one end of the torsion spring (909) extends into the slit (908) to form a single-direction blocking rod (9091).

8. A vibrating screen mounting structure as claimed in any one of claims 4 to 7, wherein: the left side plate (3), the right side plate (4) and the frame body (1) are of an integral structure.

9. A shaker screen mounting arrangement as claimed in claim 8, wherein: the sieve plate (2) is composed of a plurality of sieve plate blocks (201) which are sequentially placed along the length direction of the vibrating sieve.

10. A shaker screen mounting arrangement as claimed in claim 9, wherein: the screen plate block (201) is a latticed woven mesh screen plate, and reinforcing steel bars at the left edge and the right edge of the woven mesh screen plate are bent upwards to form a bent edge (202).