CN211025290U

CN211025290U - Automatic replacing device for screen of filter

Info

Publication number: CN211025290U
Application number: CN201921995583.0U
Authority: CN
Inventors: 王新生
Original assignee: Puyang Cosmos Chemicals Co ltd
Current assignee: Puyang Cosmos Chemicals Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-17
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to an automatic replacing device for a filter screen, which comprises a machine body; the machine body is provided with a vibration motor, a damping upright rod and a filtering device; the machine body is provided with a sieve bin, an upper discharging plate and a lower discharging plate; the filtering device comprises a screen, a driving net rolling device fixed on one side wall of the machine body and a driven net rolling device fixed on the other side wall of the machine body; the side wall of the machine body is provided with a through seam matched with the screen; a press-fixing device for tensioning the screen is arranged on the machine body; the net rolling driving device comprises a first rolling wheel for rolling the screen, a first telescopic rod capable of replacing and positioning the first rolling wheel and a driving motor for driving the first rolling wheel to rotate; the driven net rolling device comprises a second rolling wheel for rolling the screen cloth in an unrolling mode and two second telescopic rods which are arranged on two sides of the second rolling wheel respectively and can replace and position the second rolling wheel. The utility model has the advantages of reasonable design, adopt the reel to combine the more convenient screen cloth of carrying on of feed bin to change, reduce the cost of labor, improve equipment utilization rate improves work efficiency.

Description

Automatic replacing device for screen of filter

Technical Field

The utility model belongs to the technical field of filtration equipment and specifically relates to an automatic device of changing of filter screen cloth.

Background

The filter is a device for realizing solid-liquid separation by utilizing a porous filter. The filter is applied to chemical, petroleum, pharmacy, light industry, food, ore dressing, coal and water treatment and other departments. The filter is a novel filtering system, has novel structure, small volume, simple, convenient and flexible operation, high efficiency and sealed work, and is multipurpose filtering equipment with strong applicability. Chinese patent document No. CN208928548U discloses a screening device with detachable and replaceable screen, which comprises a support frame body, wherein the support frame body is hinged with the top of a vibration frame, the vibration frame is provided with a plurality of insertion plates matched with the mounting grooves of the screen, one side of the vibration frame is connected with a baffle through a compression spring, the other side of the vibration frame is in contact with the surface of a cam, and the cam is connected with the output shaft of a driving motor; the utility model discloses a cooperation between cam, vibration frame and the compression spring can realize automatic vibration screening process, through the cooperation between mounting groove and the picture peg, is favorable to the dismantlement and the change of screen cloth, has improved screening efficiency greatly. However, the conventional screen is fixed on the screen frame, and the screen frame needs to be removed after the screen is damaged, so that the screen frame is easily damaged and the removal work is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic change device of filter screen cloth for solve the current inconvenient problem of screen cloth change.

In order to solve the problems, the utility model provides an automatic replacing device for a screen of a filter, which comprises a machine body; the machine body is provided with a vibration motor for vibrating the machine body, a damping upright rod for supporting the machine body and a filtering device for filtering materials; the machine body is provided with a sieve bin, an upper discharging plate for releasing materials with non-required particle sizes and a lower discharging plate for releasing required materials in the sieve bin; the filtering device comprises a screen covered at the feed port of the screen bin for filtering materials, a driving net rolling device fixed on one side wall of the machine body and a driven net rolling device fixed on the other side wall of the machine body; the side wall of the machine body is provided with a through seam matched with the screen; a pressing device for tensioning the screen is arranged on the machine body; the net rolling driving device comprises a first rolling wheel for rolling the screen, a first telescopic rod capable of replacing and positioning the first rolling wheel and a driving motor for driving the first rolling wheel to rotate; the driven net rolling device comprises a second rolling wheel for rolling the screen mesh in an uncoiling mode and two second telescopic rods which are arranged on two sides of the second rolling wheel respectively and can replace and position the second rolling wheel.

The utility model provides a pair of automatic changing device of filter screen cloth. The method also has the following technical characteristics:

furthermore, the pressing and fixing device comprises a convex end fixed on the side wall of the machine body, a third telescopic rod of which the fixed end is fixed on the convex end, a pressing plate fixed at the moving end of the third telescopic rod, and a fixing plate matched with the pressing plate to clamp and fix the screen; the fixing plate is positioned at the lower part of the through seam.

Further, a first clamping block is fixed on an output shaft of the driving motor; two side surfaces of the first winding wheel are respectively provided with a first groove and a first convex shaft; the first fixture block is provided with a first convex block matched with the first groove and a first shaft groove matched with the first convex shaft; two side surfaces of the second winding wheel are provided with a second groove and a second convex shaft; a second clamping block is fixed on the moving end of the second telescopic rod; the second fixture block is provided with a second convex block matched with the second groove and a second shaft groove matched with the second convex shaft; a third shaft groove matched with the first protruding shaft is formed in the fixing block; the length of the first protruding shaft is longer than that of the first clamping block; the length of the second protruding shaft is longer than that of the second fixture block.

Furthermore, the vertical height of one end of the through seam, which is close to the upper discharging plate, to the ground is lower than that of the other end of the through seam.

Further, the pressing plate is arranged in parallel to the through seam.

The utility model discloses following beneficial effect has: the utility model has the advantages of reasonable design, simple structure, through set up the reel that can the rolling screen cloth in filter both sides, with the cooperation of pressing solid device on the organism, can carry out the tensioning to the screen cloth and fix, and the accessible is to the predetermined control of equipment size, obvious reduction the human cost when changing the screen cloth, realize that the screen cloth changes the automation, avoid work to break, improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of the embodiment of the present invention;

fig. 3 is a side view of the machine body according to the embodiment of the present invention;

in the figure: 1-machine body, 11-vibration motor, 12-damping upright rod, 13-press-fixing device, 131-convex end, 132-press plate, 133-third telescopic rod, 134-fixing plate, 14-screen bin, 15-upper discharge plate, 16-lower discharge plate, 17-through seam, 2-filter device, 21-screen, 22-driving net rolling device, 221-first telescopic rod, 222-first winding wheel, 2221-first groove, 2222-first convex shaft, 223-driving motor, 224-fixing block, 2241-third shaft groove, 225-first block, 2251-first lug, 2252-first shaft groove, 23-driven net rolling device, 231-second winding wheel, 2311-second groove, 2312-second convex shaft, 232-second telescopic rod, 233-a second latch, 2331-a second tab, 2332-a second axial slot.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The embodiment of the automatic screen replacing device of the filter shown in fig. 1 of the utility model comprises a machine body 1; the machine body 1 is provided with a vibration motor 11 for vibrating the machine body 1, a damping upright rod 12 for supporting the machine body 1 and a filtering device 2 for filtering materials; the machine body 1 is provided with a sieve bin 14, an upper discharging plate 15 for releasing materials with non-required particle size and a lower discharging plate 16 for releasing materials required in the sieve bin 14; the filtering device 2 comprises a screen 21 covering a feed port of the screen bin 14 for filtering materials, a driving net rolling device 22 fixed on one side wall of the machine body 1, and a driven net rolling device 23 fixed on the other side wall of the machine body 1; the side wall of the machine body 1 is provided with a through seam 17 matched with the screen 21; the machine body 1 is provided with a pressing device 13 for tensioning the screen 21; the net rolling driving device 22 comprises a first rolling wheel 222 for rolling the screen 21, a first telescopic rod 221 capable of replacing and positioning the first rolling wheel 222, and a driving motor 223 for driving the first rolling wheel 222 to rotate; the driven net rolling device 23 comprises a second rolling wheel 231 for rolling the screen cloth 21, and two second telescopic rods 232 which are respectively arranged at two sides of the second rolling wheel 231 and can be used for alternatively positioning the second rolling wheel 231. The mesh device is rolled up in the drive of retrieving the screen cloth through organism both sides design and the mesh device cooperation is rolled up in the drive of release screen cloth, realizes that the automation of screen cloth is changed, and the positioning that the winding wheel had both been realized to winding wheel both ends design telescopic link also carries out the screen cloth through the release winding wheel and rolls up and change, the effectual automatic replacement that has realized the screen cloth, and further realization reduces human work, improves work efficiency.

Specifically, the pressing and fixing device 13 includes a convex end 131 fixed on the sidewall of the machine body 1, a third telescopic rod 133 fixed on the convex end 131, a pressing plate 132 fixed on the moving end of the third telescopic rod 133, and a fixing plate 134 cooperating with the pressing plate 132 to clamp and fix the screen 21; the fixing plate 134 is located below the through-slit 17. Through the design of the telescopic pressing plate, the telescopic pressing plate is matched with the fixing plate, the screen is extruded, and the screen is further clamped and fixed.

Specifically, a first dog 225 is fixed to an output shaft of the drive motor 223; both side surfaces of the first reel 222 are provided with a first groove 2221 and a first protruding shaft 2222; the first fixture block 225 is provided with a first protrusion 2251 matching with the first groove 2221 and a first shaft slot 2252 matching with the first protruding shaft 2222; two side surfaces of the second winding wheel 231 are respectively provided with a second groove 2311 and a second convex shaft 2312; a second clamping block 233 is fixed on the moving end of the second telescopic rod 232; the second latch 233 is provided with a second protrusion 2331 matched with the second groove 2311 and a second shaft groove 2332 matched with the second convex shaft 2312; a third shaft groove 2241 matched with the first protruding shaft 2222 is formed in the fixed block 224; the length of the first protruding shaft 2222 is longer than the length of the first latch 225; the second boss 2312 is longer than the second latch 233 in length. The clamping block for fixing the winding wheel is connected to the driving motor and the telescopic rod, so that the winding wheel is convenient to push to rotate, the winding wheel is also lapped, and the winding wheel is convenient to replace.

Specifically, the vertical height of the through slot 17 to the ground is lower at one end of the upper discharging plate 15 than at the other end thereof. The inclined through seam 17 is designed to facilitate cleaning of materials which do not meet the requirement of particle size.

Specifically, the pressing plate 132 is disposed parallel to the through slit 17. The design that the pressing plate is parallel to the through seam is favorable for extruding and clamping the screen.

The working principle is as follows: before the device is used, the second telescopic rod 232 is moved, the two second protruding shafts 2312 of the second winding wheel 231 with the screen 21 installed thereon are inserted into the second axial slots 2332, and the second protruding blocks 2331 are not inserted into the second grooves 2311, so that the second winding wheel 231 can rotate around the second protruding shafts 2312; the screen 21 is fixed on the first reel 222 through the through seam 17; the first extension rod 221 is moved to insert the first protruding shaft 2222 of the first reel 222 into the first shaft groove 2252 and the third shaft groove 2241, and the first protrusion 2251 is inserted into the first groove 2252; after the screen 21 completely covers the feeding hole of the screen bin 14, the second telescopic rod 232 is moved, the second protruding block 2331 is inserted into the second groove 2311, the second winding wheel 231 is fixed, the third telescopic rod 133 is moved, and the pressing plate 132 is matched with the side wall of the machine body 1 and the fixing plate 134 to squeeze and tension the screen 21.

In use, the mesh 21 is easy to have aperture damage due to the influence of materials, and the filtration with the expected effect cannot be carried out, at this time, the third telescopic rod 133 is moved, the pressing plate 132 is lifted, and the mesh 21 is loosened; the second block 233 is moved away from the second winding wheel 231, so that the second protrusion 2331 is away from the second groove 2311 and the second protruding shaft 2312 is not away from the second groove 2332, the driving motor 223 is started to drive the first block 225 to rotate, so as to drive the screen 21 to move, so that the new screen surface covers the feed opening of the screen bin 14 again, the second block 233 is moved, so that the second protrusion 2331 is inserted into the second groove 2311 again to fix the second winding wheel 231, the third telescopic rod 133 is moved, and the pressing plate 132 is matched with the side wall of the machine body 1 and the fixing plate 134 to extrude and tension the screen 21 again.

After the screen 21 completely gets off the second reel 231, the second expansion link 232 and the first expansion link 221 are moved to completely get off the second boss 2312 from the second groove 2332 and completely get off the first boss 2222 from the first groove 2352 and the third groove 2241, and the above operations are repeated after the first reel 222, the second reel 231 and the screen are replaced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a filter screen cloth automatic exchange device which characterized in that: comprises a machine body (1); the machine body (1) is provided with a vibration motor (11) for vibrating the machine body (1), a damping upright rod (12) for supporting the machine body (1) and a filtering device (2) for filtering materials; the machine body (1) is provided with a sieve bin (14), an upper discharging plate (15) for releasing materials with non-required particle sizes and a lower discharging plate (16) for releasing required materials in the sieve bin (14); the filtering device (2) comprises a screen (21) covering a feed port of the screen bin (14) for filtering materials, a driving net rolling device (22) fixed on one side wall of the machine body (1), and a driven net rolling device (23) fixed on the other side wall of the machine body (1); a through seam (17) matched with the screen (21) is arranged on the side wall of the machine body (1); a pressing device (13) for tensioning the screen (21) is arranged on the machine body (1); the net rolling driving device (22) comprises a first rolling wheel (222) for rolling the screen (21), a first telescopic rod (221) capable of replacing and positioning the first rolling wheel (222), and a driving motor (223) for driving the first rolling wheel (222) to rotate; the driven net rolling device (23) comprises a second rolling wheel (231) for rolling the screen (21) in an uncoiling mode, and two second telescopic rods (232) which are arranged on two sides of the second rolling wheel (231) respectively and can be used for positioning the second rolling wheel (231) in a replaceable mode.

2. The automatic filter screen replacing device of claim 1, wherein: the pressing and fixing device (13) comprises a convex end (131) fixed on the side wall of the machine body (1), a third telescopic rod (133) with a fixed end fixed on the convex end (131), a pressing plate (132) fixed at the moving end of the third telescopic rod (133), and a fixing plate (134) matched with the pressing plate (132) to clamp and fix the screen (21); the fixing plate (134) is positioned at the lower part of the through seam (17).

3. The automatic filter screen replacing device of claim 1, wherein: a first clamping block (225) is fixed on an output shaft of the driving motor (223); two side surfaces of the first winding wheel (222) are respectively provided with a first groove (2221) and a first convex shaft (2222); a first bump (2251) matched with the first groove (2221) and a first shaft groove (2252) matched with the first protruding shaft (2222) are arranged on the first fixture block (225); two side surfaces of the second winding wheel (231) are respectively provided with a second groove (2311) and a second convex shaft (2312); a second clamping block (233) is fixed on the moving end of the second telescopic rod (232); a second bump (2331) matched with the second groove (2311) and a second shaft groove (2332) matched with the second convex shaft (2312) are arranged on the second fixture block (233); a third shaft groove (2241) matched with the first protruding shaft (2222) is formed in the fixed block (224); the length of the first protruding shaft (2222) is longer than that of the first fixture block (225); the length of the second protruding shaft (2312) is longer than that of the second fixture block (233).

4. The automatic filter screen replacing device of claim 1, wherein: the vertical height of one end of the through seam (17) close to the upper discharging plate (15) and the ground is lower than that of the other end of the through seam.

5. The automatic filter screen replacing device of claim 2, wherein: the pressing plate (132) is arranged in parallel to the through seam (17).