CN212418650U

CN212418650U - Fodder vibration screening machine

Info

Publication number: CN212418650U
Application number: CN202020884064.3U
Authority: CN
Inventors: 陈曦
Original assignee: Fuzhou Hangsheng Feed Co ltd
Current assignee: Fuzhou Hangsheng Feed Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-29
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a fodder vibrating screen classifier, which relates to the technical field of fodder production equipment, solves the problem that the screening layer is not convenient to disassemble and replace, which comprises a vibration device, a screening device arranged on the vibration device and a spring arranged at the bottom of the screening device, the screening device comprises a plurality of screen frames and a screening layer arranged between two adjacent screen frames, the screening layer comprises a screen ring and a screen fixedly arranged on the screen ring, the mesh sizes of the screen meshes on the screening layer are sequentially reduced from top to bottom, a discharge hole is arranged at one end of the outer wall of each screen frame, which is close to the bottom, the bottom of the sieve frame at the bottommost layer is of a sealed structure, the upper end part and the lower end part of the sieve frame are both provided with fastening rings which protrude outwards, the edges of the screen rings are clamped between the fastening rings of two adjacent screen frames, and the fastening ring between the two adjacent screen frames is provided with a hoop device for locking the two screen frames. The utility model has the advantages of convenient sieve layer is changed, save time.

Description

Fodder vibration screening machine

Technical Field

The utility model belongs to the technical field of the technique of feed production equipment and specifically relates to a fodder vibration screening machine is related to.

Background

The vibrating screen machine is an important device for grading solid materials, is widely applied to industries such as chemical industry, medicine, food, mine, ceramics, nonferrous metals, organic and inorganic, metallurgy, rubber and plastic, paint and pigment, environmental protection, military industry and the like, and is also a commonly used screening device in the feed production process.

Referring to fig. 6, a conventional screening machine includes a vibration device, a screening device installed on the vibration device, and a spring installed between the vibration device and the screening device, the screening device includes three frames arranged from top to bottom and a screening layer fixed between two adjacent frames by bolts, and a discharge port is formed in a side wall of each frame. Vibrating device drive screening plant vibrates, makes fodder granule powder discharge from the discharge gate that corresponds, reaches the purpose of screening fodder granule.

The screening layer of this kind of screening machine is fixed through the bolt, can guarantee that the screen cloth is still firm when the atress between last frame and lower frame, but this kind of screening layer need be all demolishd the bolt of fixing when the maintenance is changed, and the change process is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fodder vibration screening machine, have the advantage that makes things convenient for the screening layer to change, save time to prior art not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a fodder vibration screening machine, includes vibrating device, installs the screening plant on vibrating device and installs the spring in the screening plant bottom, screening plant includes a plurality of reel and installs the screening layer between two adjacent reels, the screening layer includes screen ring and the screen cloth of fixed mounting on the screen ring, and screen cloth mesh size top-down on the screening layer reduces in proper order, the one end that the outer wall of reel is close to the bottom is provided with the discharge gate, and the reel bottom of bottom is the sealed structure, the equal outside arch in upper and lower both ends of reel is provided with the tighrening ring, screen ring limit is along the department of pressing from both sides tightly between the tighrening ring of two adjacent reels, and the tighrening ring between two adjacent reels is provided with the staple bolt device that is used for locking two reels.

Through adopting above-mentioned technical scheme, when dismantling the change to the screening layer, remove the staple bolt device between two adjacent reel, can top-down demolish the reel, change the screening layer that has different specification screen cloth according to the demand, lock two adjacent reel one by one through the staple bolt device again, operation process is convenient, saves time.

The present invention may be further configured in a preferred embodiment as: the staple bolt device includes open armful ring, articulate in the dwang and the fixed block of fixed mounting at the armful ring other end of embracing ring one end, the rolling plane of dwang with embrace the ring in the coplanar, and the dwang keeps away from one end screw thread of embracing the ring and install the adapter sleeve, set up the locking groove that supplies the dwang card to go into on the fixed block.

Through adopting above-mentioned technical scheme, when locking two adjacent reel, rotate the dwang around the pin joint and go into in the fixed slot, reuse instrument such as spanner to screw the adapter sleeve again, make the one end of adapter sleeve tightly support the fixed block can, convenient operation when relieving locking, with the rotatory loosening of adapter sleeve, towards keep away from the fixed block the direction break with the fingers and thumb the dwang can, the adapter sleeve still overlaps at this moment and establishes on the dwang, is difficult for losing.

The present invention may be further configured in a preferred embodiment as: the outside arch of outer wall of sieve ring is provided with the solid fixed ring that the cross-section is T shape, the fixed slot that supplies solid fixed ring card to go into is all seted up with lower terminal surface to the reel up end.

By adopting the technical scheme, when the screening layer is installed, the fixing ring on the screening ring is clamped into the fixing groove of the screening frame, so that the stability of the screening ring during working is ensured, and the screening ring is prevented from falling off from between two adjacent screening frames during high-frequency vibration working; meanwhile, two adjacent screen frames are clamped at two ends of the fixing ring when being installed, the fixing ring plays a role in positioning and fixing the two screen frames, and the hoop ring on the hoop device is conveniently sleeved on the fastening ring on the two screen frames.

The present invention may be further configured in a preferred embodiment as: the screen cloth is installed in the top terminal surface of sieve ring, the bottom terminal surface of sieve ring is installed the bearing sieve, be provided with the bearing ring between screen cloth and the bearing sieve, the both ends face of bearing ring contacts in screen cloth and bearing sieve respectively.

By adopting the technical scheme, when feeding, the raw materials directly drop on the screen, and partial force applied to the screen is transferred to the supporting screen through the supporting ring, so that the screen is not easy to deform greatly; meanwhile, under the driving of the vibrating device, because the screen has a certain deformation amount when vibrating, a gap is generated between the screen and the bearing ring, and the bearing ring collides with the screen under high-frequency vibration, so that the feed powder particles attached to the upper mesh holes of the screen are separated from meshes, and the screening efficiency of the screen is improved.

The present invention may be further configured in a preferred embodiment as: and a support ring for supporting the sieve ring is arranged on the inner wall of the top of the sieve frame in a protruding manner.

Through adopting above-mentioned technical scheme, the screening machine during operation, the screening layer receives the impact force dispersion that the fodder granule dropped to solid fixed ring on, and the setting of support ring will be sieved the ring bearing, makes the impact force part on the sieve ring transmit to the support ring on, reduces solid fixed ring's atress and strikes, improves the life of screening layer.

The present invention may be further configured in a preferred embodiment as: the upper end face of the support ring is vertically fixed with a plurality of positioning columns along the circumferential direction of the support ring, and the bottom of the sieve ring is provided with a plurality of positioning holes for the positioning columns to insert.

Through adopting above-mentioned technical scheme, the cooperation of reference column and locating hole further ensures that the screening layer does not take place to rotate under the high-frequency vibration condition, improves the job stabilization nature of screening layer.

The present invention may be further configured in a preferred embodiment as: the tighrening ring at both ends is and leans out the expansion setting about the reel, embrace that the transversal V-arrangement of personally submitting and the lock joint of ring outside two tighrening rings between two adjacent reels, embrace the inner wall and two tighrening ring outer walls of ring and hug closely.

Through adopting above-mentioned technical scheme, because solid fixed ring has certain thickness, the tighrening ring is the outside expansion state of slope, and when two adjacent reel joints were on solid fixed ring, two adjacent tighrening rings butt each other, and the armful ring hugs closely in two adjacent tighrening rings simultaneously, strengthens the fastening between two reel.

The present invention may be further configured in a preferred embodiment as: the rotating rod is sleeved with a gasket.

Through adopting above-mentioned technical scheme, when locking staple bolt device, rotate the adapter sleeve and compress tightly the gasket on the fixed block, increase application of force area, improve the locking effect.

To sum up, the utility model discloses a following at least one beneficial effect:

1. when the screening layer is replaced, the fastening sleeve is rotated, the locking of the hoop device between two adjacent screen frames is released, the upper screen frame can be taken down, and then the screening layer can be directly taken up; after the screening layers are sequentially removed from top to bottom, the required screening layer is installed on the support ring, meanwhile, the fixing ring with the T-shaped cross section is clamped in the fixing groove, the upper screen frame is inserted into the fixing ring, then the two adjacent screen frames are locked and fixed through the hoop device, and the screen frames and the screening layers are installed from bottom to top, so that the replacement is completed, the operation is simple, and the time is saved;

2. when the locking state of the hoop device is released, the locking sleeve is rotated to be loosened, the rotating rod can be rotated towards the direction away from the fixed block, the operation is convenient, and the locking sleeve is still sleeved on the rotating rod and is not easy to lose.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a sectional view of the screen frame in the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural diagram of the hoop device in this embodiment;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

figure 6 is a schematic diagram of a conventional screening machine.

In the figure, 1, a vibration device; 2. a screening device; 21. screening layers; 211. a screen ring; 212. screening a screen; 213. a supporting sieve; 214. a bearing ring; 215. a fixing ring; 216. positioning holes; 22. a screen frame; 221. fixing grooves; 222. a support ring; 223. a positioning column; 224. a fastening ring; 225. a discharge port; 3. a spring; 4. a top cover; 41. a feed inlet; 5. a hoop device; 51. encircling; 52. rotating the rod; 521. fastening sleeves; 522. a gasket; 53. a fixed block; 531. and (4) locking the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a fodder vibration screening machine, including vibrating device 1, install screening plant 2 on vibrating device 1 and install spring 3 in screening plant 2 bottom. The vibration device 1 includes a vibration generator and eccentric weights installed at the upper and lower ends of the vibration generator, and the specific structure and operation principle thereof are common knowledge of those skilled in the art, and therefore are not described herein and not shown in the drawings. The top of the screening device 2 is also provided with a top cover 4 for preventing the feed powder from flying, and the center of the top cover 4 is provided with a feed inlet 41.

Referring to fig. 1 and 2, the sieving device 2 includes a plurality of frames 22 and a sieving layer 21 installed between two adjacent frames 22, and a sealing structure is provided on the bottom surface of the frame 22 located at the lowermost layer. The sieving layer 21 comprises a sieving ring 211 and a sieving net 212 fixedly arranged on the sieving ring 211, and the meshes of the sieving net 212 arranged from top to bottom become smaller in sequence according to actual needs. The screen cloth 212 is fixedly welded on the top end face of the screen ring 211, the supporting sieve 213 is welded on the bottom end face of the screen ring 211, a plurality of sieve holes with areas larger than meshes of the screen cloth 212 on the same sieve layer 21 are uniformly formed in the supporting sieve 213, and the supporting strength of the supporting sieve 213 is larger than that of the screen cloth 212.

Referring to fig. 2 and 3, a support ring 214 is provided between the screen 212 and the support screen 213, and both end surfaces of the support ring 214 are in contact with the screen 212 and the support screen 213, respectively. When feeding, the raw materials directly drop on screen cloth 212, and some power that receives of screen cloth 212 is transmitted to bearing sieve 213 through bearing ring 214 on for screen cloth 212 is difficult for taking place great deformation. Meanwhile, under the driving of the vibrating device 1, because the screen 212 has a certain deformation amount when vibrating, a gap is generated between the screen 212 and the support ring 214, so that the end surface of the support ring 214 collides with the screen 212, and the feed powder particles attached to the mesh on the screen 212 are separated from the mesh, thereby improving the screening efficiency of the screen 212.

Referring to fig. 2 and 3, a fixing ring 215 with a T-shaped cross section is convexly arranged at the middle position of the outer wall of the screen ring 211, and the fixing ring 215 and the screen ring 211 are of an integral structure. The fixed slot 221 that supplies fixed ring 215 to go into is all seted up with terminal surface down to reel 22 up end, and after fixed ring 215 gone into fixed slot 221, fixed ring 215's terminal surface all contacted the laminating with reel 22's lateral wall, and simultaneously, the outer wall of reel 211 and reel 22's inner wall laminating. A support ring 222 for holding the ring 211 of the screen 213 is provided protruding on the top inner wall of the screen frame 22. Positioning columns 223 are vertically welded on the support ring 222, a plurality of the positioning columns are arranged on the positioning columns and evenly distributed along the circumferential direction of the support ring 222, and positioning holes 216 for the positioning columns 223 to insert are formed in the bottom of the sieve ring 211.

Referring to fig. 1 and 3, the upper and lower edges of the screen frame 22 are both provided with fastening rings 224 protruding outwards, the fastening rings 224 and the screen frame 22 are of an integral structure, and one end of the outer wall of the screen frame 22 close to the bottom is provided with a discharge hole 225. The fastening ring 224 between two adjacent frames 22 is fixed and locked by the hoop device 5, and because the fixing ring 215 has a certain thickness, the fastening ring 224 is outwardly and obliquely expanded, so that when the fixing ring 215 is clamped by the two frames 22, the two adjacent fastening rings 224 on the two frames 22 are in contact.

Referring to fig. 4 and 5, the hoop device 5 includes an open-type hoop 51, a rotating rod 52 hinged to one end of the hoop 51, and a fixing block 53 fixedly installed at the other end of the hoop 51. The cross section of the hoop 51 is V-shaped, and the hoop 51 is sleeved outside the two fastening rings 224 between the two adjacent frames 22. The rotating surface of the rotating rod 52 and the clasping ring 51 are in the same plane, and a fastening sleeve 521 is installed at one end, far away from the clasping ring 51, of the rotating rod 52 in a threaded mode. The fixing block 53 is provided with a locking groove 531 for the rotating rod 52 to be inserted after rotating. The rotating rod 52 is sleeved with a gasket 522, the fastening sleeve 521 compresses the gasket 522 on the fixing block 53, and the force application area is increased through the gasket 522.

The operation method of the embodiment comprises the following steps:

when the sieving layer 21 is replaced, the fastening sleeve 521 is rotated to release the locking of the hoop device 5 between the two adjacent frames 22, so that the upper frame 22 can be taken down, and then the sieving layer 21 can be directly taken up. After the screening layers 21 are sequentially removed from top to bottom, the required screening layers 21 are installed on the support ring 222, the fixing ring 215 is clamped in the fixing groove 221, the upper screen frame 22 is inserted into the fixing ring 215, then the two adjacent screen frames 22 are locked and fixed through the hoop device 5, and the screen frames 22 and the screening layers 21 are installed from bottom to top, so that replacement is completed, the operation is simple, and the time is saved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fodder vibration screening machine, includes vibrating device (1), installs screening plant (2) on vibrating device (1) and installs spring (3) between vibrating device (1) and screening plant (2), its characterized in that: screening plant (2) include a plurality of reel (22) and install screening layer (21) between two adjacent reels (22), screening layer (21) are including screen ring (211) and screen cloth (212) of fixed mounting on screen ring (211), and screen cloth (212) mesh size top-down on screening layer (21) reduces in proper order, the one end that the outer wall of reel (22) is close to the bottom is provided with discharge gate (225), and the reel (22) bottom of bottommost is sealed structure, the upper and lower both ends of reel (22) are all outwards protruding to be provided with tighrening ring (224), the fastening ring (224) between two adjacent reels (22) are pressed from both sides tightly in screen ring (211) border department, and tighrening ring (224) between two adjacent reels (22) are provided with staple bolt device (5) that are used for locking two reels (22).

2. The fodder vibratory screening machine of claim 1, wherein: staple bolt device (5) including open armful ring (51), articulate in dwang (52) and fixed mounting of embracing ring (51) one end at fixed block (53) of embracing the ring (51) other end, the rolling plane of dwang (52) with embrace ring (51) in the coplanar, and dwang (52) keep away from the one end screw thread of embracing ring (51) and install adapter sleeve (521), set up on fixed block (53) and supply locking groove (531) that dwang (52) card was gone into.

3. The fodder vibratory screening machine of claim 1, wherein: the outer wall of sieve ring (211) is outwards protruding to be provided with solid fixed ring (215) that the cross-section is T shape, fixed slot (221) that confession solid fixed ring (215) card was gone into are all seted up with lower terminal surface to reel (22) up end.

4. The fodder vibratory screening machine of claim 3, wherein: the screen cloth (212) is installed in the top terminal surface of sieve ring (211), the bearing sieve (213) is installed to the bottom terminal surface of sieve ring (211), be provided with bearing ring (214) between screen cloth (212) and bearing sieve (213), the both ends face of bearing ring (214) contacts in screen cloth (212) and bearing sieve (213) respectively.

5. The fodder vibratory screening machine of claim 4, wherein: and a supporting ring (222) for supporting the sieve ring (211) is convexly arranged on the inner wall of the top of the sieve frame (22).

6. The fodder vibratory screening machine of claim 5, wherein: a plurality of positioning columns (223) are vertically fixed on the upper end face of the support ring (222) along the circumferential direction of the support ring, and a plurality of positioning holes (216) for the positioning columns (223) to insert are formed in the bottom of the sieve ring (211).

7. The fodder vibratory screening machine of claim 2, wherein: the tighrening ring (224) at both ends are the expansion setting that leans out about reel (22), embrace that the transversal personally submitting V-arrangement of ring (51) and lock joint are outside two tighrening ring (224) between adjacent two reels (22), embrace the inner wall and two tighrening ring (224) outer walls of ring (51) and hug closely.

8. The fodder vibratory screening machine of claim 2, wherein: the rotating rod (52) is sleeved with a gasket (522).