阅读说明：本技术 一种钢球筛选装置 (Steel ball screening device ) 是由 曾福海 邓新 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种钢球筛选装置,包括壳体(1)、筛选机构(2)、收集机构(3)和运输机构(4)；所述筛选机构(2)包括支架(21)、旋转固定于所述支架(21)上的筛选桶(22)和固定于所述支架(21)一侧驱动所述筛选桶(22)旋转的驱动电机(23)；所述筛选桶(22)包括内桶(24)、滑动套装于所述内桶(24)上的外桶(25)和驱动所述外桶(25)进行滑动的第一伸缩杆(26)；所述内桶(24)和外桶(25)对应位置设有多个圆形筛孔(27),所述多个圆形筛孔(27)之间的间隔大于所述圆形筛孔(27)的直径；本发明具有在无需更换筛板的情况下实现多种直径钢球筛选、筛选效率高的优点。(The invention discloses a steel ball screening device which comprises a shell (1), a screening mechanism (2), a collecting mechanism (3) and a conveying mechanism (4); the screening mechanism (2) comprises a bracket (21), a screening barrel (22) rotationally fixed on the bracket (21) and a driving motor (23) which is fixed on one side of the bracket (21) and drives the screening barrel (22) to rotate; the screening barrel (22) comprises an inner barrel (24), an outer barrel (25) sleeved on the inner barrel (24) in a sliding mode and a first telescopic rod (26) driving the outer barrel (25) to slide; a plurality of circular sieve holes (27) are formed in the corresponding positions of the inner barrel (24) and the outer barrel (25), and the intervals among the circular sieve holes (27) are larger than the diameters of the circular sieve holes (27); the invention has the advantages of realizing the screening of steel balls with various diameters under the condition of not replacing the screen plate and having high screening efficiency.)

1. The steel ball screening device is characterized in that: comprises a shell (1), a screening mechanism (2), a collecting mechanism (3) and a conveying mechanism (4); the screening mechanism (2), the collecting mechanism (3) and the transporting mechanism (4) are respectively and fixedly arranged in the shell (1), the collecting mechanism (3) is positioned under the screening mechanism (2), and the transporting mechanism (4) is positioned under the collecting mechanism (3); the screening mechanism (2) comprises a bracket (21), a screening barrel (22) rotationally fixed on the bracket (21) and a driving motor (23) which is fixed on one side of the bracket (21) and drives the screening barrel (22) to rotate; the screening barrel (22) comprises an inner barrel (24), an outer barrel (25) sleeved on the inner barrel (24) in a sliding mode and a first telescopic rod (26) driving the outer barrel (25) to slide; a plurality of circular sieve holes (27) are formed in the corresponding positions of the inner barrel (24) and the outer barrel (25), and the intervals among the circular sieve holes (27) are larger than the diameters of the circular sieve holes (27); a first supporting rod (241) and a second supporting rod (242) are arranged at two ends of the inner barrel (24), and the first supporting rod (241) and the second supporting rod (242) are fixedly arranged on the bracket (21) through bearings; the interiors of the first supporting rod (241) and the second supporting rod (242) are hollow structures and are communicated with the inner barrel (24); the driving shaft of the driving motor (23) is connected with the first supporting rod (241); casing (1) corresponds one side of screening mechanism (2) is equipped with feeder hopper (11), feeder hopper (11) with second bracing piece (242) are connected.

2. The steel ball screening apparatus according to claim 1, wherein: the collecting mechanism (3) comprises a collecting groove (31), a guiding device (32) and a sliding plate (33); the collecting groove (31) is in a funnel shape with two high ends and a low middle part, and the middle part is provided with a collecting opening (311); the guide device (32) comprises a universal pipe (321) and a second telescopic rod (322) for driving the universal pipe (321) to move; the universal pipe (321) is arranged corresponding to the collecting port (311); the sliding plate (33) is provided with a plurality of slide ways (331).

3. The steel ball screening apparatus according to claim 2, wherein: the conveying mechanism (4) comprises a conveyor belt (41) and a collecting container (42) movably connected to the conveyor belt (41).

4. The steel ball screening apparatus according to claim 3, wherein: the diameter of the cross section of the universal pipe (321) is larger than that of the cross section of the collecting port (311); the diameter of the cross section of the plurality of slide ways (331) is larger than that of the cross section of the universal pipe (321).

5. The steel ball screening apparatus according to claim 4, wherein: the inner barrel (24) is provided with a sliding groove (243), and the outer barrel (25) is provided with a sliding block (251) corresponding to the sliding groove (243).

Technical Field

The invention belongs to the technical field of steel ball production and processing, and particularly relates to a steel ball screening device.

background

the steel ball is divided into grinding, forging and casting according to the production and processing technology. The steel ball is divided into a bearing steel ball, a stainless steel ball, a carbon steel ball, a copper bearing steel ball alloy ball and the like according to processing materials. The bearing steel ball is an important industrial basic part, and the alloy steel ball is a spherical ferroalloy wear-resistant body which is generated by using carbon, chromium, manganese, molybdenum and the like as main added metal elements and through forging, spinning, rolling, casting and other modes, and is the most important component part of the prior ball for crushing industrial mines, cement and the like.

Before the steel balls are used, the steel balls need to be screened and classified according to different radiuses, so that the steel balls are suitable for different use places. Most of the existing steel ball screening is manual operation, and a small amount of screening equipment exists, and the manual operation has the defects of high labor intensity, low working efficiency and low screening separation rate. Although the screening installation can reduce artifical intensity of labour, but most of them can only be screened the steel ball of a certain specific diameter or certain several kinds of specific diameters, when needing to screen the steel ball of other diameters, need to change the sieve and just can accomplish the screening to its diameter steel ball, however the sieve is changed more troublesome, often needs the workman to spend the longer time just can accomplish, and the replacement cost is high, influences the screening activity duration, therefore screening efficiency also can't promote.

disclosure of Invention

Aiming at the defects, the invention provides the steel ball screening device which realizes the screening of steel balls with various diameters under the condition of not replacing a screen plate and has high screening efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a steel ball screening device comprises a shell, a screening mechanism, a collecting mechanism and a conveying mechanism; the screening mechanism, the collecting mechanism and the conveying mechanism are respectively and fixedly arranged in the shell, the collecting mechanism is positioned right below the screening mechanism, and the conveying mechanism is positioned below the collecting mechanism; the screening mechanism comprises a bracket, a screening barrel rotationally fixed on the bracket and a driving motor fixed on one side of the bracket and driving the screening barrel to rotate; the screening barrel comprises an inner barrel, an outer barrel sleeved on the inner barrel in a sliding mode and a first telescopic rod for driving the outer barrel to slide; a plurality of circular sieve holes are arranged at corresponding positions of the inner barrel and the outer barrel, and the intervals among the circular sieve holes are larger than the diameters of the circular sieve holes; a first supporting rod and a second supporting rod are arranged at two ends of the inner barrel and are fixedly arranged on the bracket through bearings; the first supporting rod and the second supporting rod are hollow structures and communicated with the inner barrel; a driving shaft of the driving motor is connected with the first supporting rod; the casing corresponds one side of screening mechanism is equipped with the feeder hopper, the feeder hopper with the second bracing piece is connected.

Preferably, the collecting mechanism comprises a collecting tank, a guiding device and a sliding plate; the collecting tank is in a funnel shape with two high ends and a low middle part, and a collecting port is arranged in the middle of the collecting tank; the guiding device comprises a universal pipe and a second telescopic rod for driving the universal pipe to move; the universal pipe is arranged corresponding to the collecting port; the sliding plate is provided with a plurality of sliding ways.

Preferably, the conveying mechanism comprises a conveyor belt and a collection container movably connected to the conveyor belt.

Preferably, the diameter of the cross section of the universal pipe is larger than that of the cross section of the collecting port; the diameters of the cross sections of the plurality of slide ways are larger than the diameter of the cross section of the universal pipe.

Preferably, the inner barrel is provided with a sliding groove, and the outer barrel is provided with a sliding block corresponding to the sliding groove.

Compared with the prior art, the invention has the following beneficial effects:

The sliding block on the outer barrel is controlled to slide in the sliding groove on the inner barrel through the extension of the first telescopic rod, so that the circular sieve holes on the outer barrel and the circular sieve holes on the inner barrel are crossed and staggered, a channel from the inside of the inner barrel to the outside of the outer barrel is adjusted, only steel balls meeting the diameter of the channel can pass through the channel, and the screening of the steel balls with various diameters is realized without replacing a sieve plate; through the variable speed rotation of driving motor drive screening bucket, make the steel ball of card easily in the passageway can be because of self gravity whereabouts when rotatory to the top of screening bucket to realize the normal screening of passageway, improved screening efficiency. Therefore, the invention has the advantages of realizing the screening of steel balls with various diameters under the condition of not replacing the screen plate and having high screening efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of region a in fig. 1.

FIG. 3 is a schematic cross-sectional view of an inner barrel according to the present invention.

FIG. 4 is a cross-sectional view of the outer tub of the present invention.

FIG. 5 is a schematic view showing a state in which the inner tub and the outer tub are adjusted according to the present invention.

in the figure: 1. a housing; 2. a screening mechanism; 3. a collection mechanism; 4. a transport mechanism; 5. a control unit; 11. a feed hopper; 21. a support; 22. a screening barrel; 23. a drive motor; 24. an inner barrel; 25. an outer tub; 26. a first telescopic rod; 27. circular sieve pores; 31. collecting tank; 32. a guide device; 33. a slide plate; 41. a conveyor belt; 42. a collection container; 241. a first support bar; 242. a second support bar; 243. a chute; 251. a slider; 311. a collection port; 321. a universal tube; 322. a second telescopic rod; 331. a slideway.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions of the embodiments of the present invention can be combined, and the technical features of the embodiments can also be combined to form a new technical solution.

Referring to fig. 1 to 5, the present invention provides the following technical solutions: a steel ball screening device comprises a shell 1, a screening mechanism 2, a collecting mechanism 3 and a conveying mechanism 4; the screening mechanism 2, the collecting mechanism 3 and the transporting mechanism 4 are respectively and fixedly arranged in the shell 1, the collecting mechanism 3 is positioned right below the screening mechanism 2, and the transporting mechanism 4 is positioned below the collecting mechanism 3; the screening mechanism 2 comprises a bracket 21, a screening barrel 22 rotationally fixed on the bracket 21 and a driving motor 23 fixed on one side of the bracket 21 and driving the screening barrel 22 to rotate; the screening barrel 22 comprises an inner barrel 24, an outer barrel 25 slidably sleeved on the inner barrel 24 and a first telescopic rod 26 driving the outer barrel 25 to slide; a plurality of circular sieve holes 27 are arranged at corresponding positions of the inner barrel 24 and the outer barrel 25, and the intervals among the circular sieve holes 27 are larger than the diameters of the circular sieve holes 27, so that the steel balls with the diameters as large as the circular sieve holes 27 from the smallest diameter can be screened; a first support rod 241 and a second support rod 242 are arranged at two ends of the inner barrel 24, and the first support rod 241 and the second support rod 242 are fixedly arranged on the bracket 21 through bearings; the first support bar 241 and the second support bar 242 have hollow structures inside and are communicated with the inner tub 24; a driving shaft of the driving motor 23 is connected to the first support bar 241; the casing 1 corresponds one side of screening mechanism 2 is equipped with feeder hopper 11, feeder hopper 11 with second bracing piece 242 is connected. The plurality of circular sieve holes 27 of the inner barrel 24 and the plurality of circular sieve holes 27 of the outer barrel 25 are arranged in one-to-one correspondence. The circular openings 27 are preferably circular or alternatively oval. When the circular sieve holes 27 are preferably oval, the intervals among the circular sieve holes 27 are larger than the longest diameter of the circular sieve holes 27, and the steel balls to be screened are the steel balls with the shortest diameter of the circular sieve holes 27;

The collecting mechanism 3 comprises a collecting tank 31, a guide device 32 and a sliding plate 33; the collecting tank 31 is in a funnel shape with two high ends and a low middle part, and the middle part is provided with a collecting port 311; the guiding device 32 comprises a universal pipe 321 and a second telescopic rod 322 for driving the universal pipe 321 to move; the universal pipe 321 is arranged corresponding to the collecting port 311; the sliding plate 33 is provided with a plurality of sliding ways 331. The collection trough 31 is adapted to receive the steel balls screened from the screening basket 22. The collecting trough 31 can adjust the universal pipe 321 to the upper parts of different slideways 331 through the second telescopic rod 322, so that the screened steel balls enter different collecting containers 42 through different slideways 331.

The transport mechanism 4 comprises a conveyor belt 41 and a collection container 42 movably connected to the conveyor belt 41. The transmission is realized through motor drive to the transmission band 41, can carry the steel ball in the collecting container 42 to next link and handle to realized the automatic processing after the steel ball screening, conveniently carry out the best screening to next batch of steel ball, the efficiency of the screening work of improvement.

the diameter of the cross section of the universal pipe 321 is larger than that of the cross section of the collecting port 311; the cross-sectional diameter of the plurality of ramps 331 is greater than the cross-sectional diameter of the gimbal pipe 321. The universal pipe 321 is a hollow cylinder, the collecting port 311 is a circular opening, and the slideway 331 is a circular barrel-shaped slideway, so that the steel ball can conveniently enter the collecting container 42 smoothly.

The inner tub 24 is provided with a chute 243, and the outer tub 25 is provided with a slider 251 corresponding to the chute 243. The diameter of the cross section of the outer barrel 25 is slightly larger than that of the cross section of the inner barrel 24, so that the outer barrel 25 and the inner barrel 24 are attached more tightly, the screening precision of the steel balls is realized, and meanwhile, the smaller steel balls are prevented from being clamped in front of the inner barrel 24 and the outer barrel 25.

the driving motor 23 is a stepping motor and can drive the screening barrel 22 to rotate at different speeds, so that the steel balls in the screening barrel 22 can be fully stirred, part of the steel balls are prevented from being clamped in the screening channel, meanwhile, the steel balls are prevented from forming inertia rotation after entering the screening barrel 22, the screening efficiency is reduced, and the screening efficiency is further improved.

Also includes a control part 5; control portion 5 respectively with driving motor 23, first telescopic link 26, second telescopic link 322 and conveyer belt 41 electric connection to the realization is to driving motor 23, first telescopic link 26, second telescopic link 322 and conveyer belt 41's automatic control, coordinates the cooperation, can practice thrift the manual control cost, provides screening efficiency. The control part 5 can be controlled by an ARM controller or a single chip microcomputer controller, and the single chip microcomputer controller can be an integrated block such as AT89S 52.