CN208661713U

CN208661713U - Reciprocating gear screening machine

Info

Publication number: CN208661713U
Application number: CN201821356580.8U
Authority: CN
Inventors: 高景波; 荆柏鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-22
Filing date: 2018-08-22
Publication date: 2019-03-29
Anticipated expiration: 2028-08-22

Abstract

The utility model discloses a kind of reciprocating gear screening machines, including rack, power device, sieve nest and transmission device, power device is specially motor, transmission device includes driving force member, the main shaft being arranged along the vertical direction, gear-box and eccentric part, one end of driving force member is connected to motor, the other end is fixedly connected with main shaft, gear-box includes first gear and the second gear that engages, first gear is sheathed on main shaft to be rotated along its axis, the axis of second gear is horizontally disposed, the output end of second gear is equipped with the eccentric part connecting with sieve nest.Using the device, motor drives driving force member to drive main axis, the first gear being arranged on main shaft rotates in the horizontal plane along the axis of main shaft, second gear engages with first gear and exports power to the eccentric part connecting with sieve nest through output end, eccentric part rotation drives sieve nest shake to realize screening, it uses gear drive, and transmission is precise and stable, and component maintenance is simple.

Description

Reciprocating gear screening machine

Technical field

The utility model relates to material screening apparatus fields, more specifically to a kind of reciprocating gear screening machine.

Background technique

Polytypic grading sieving machine currently used in the market is driven using chain sprocket or big eccentric shaft bearing Transmission, it is low that sprocket wheel is driven service life, can not be driven compared with big load, the lubricant pollution material on chain.

The maintenance of equipment of big eccentric shaft wheel transmission is difficult, is unable to reach standard component replacement, and axial force is larger when transmission, equipment It is also easy to produce the phenomenon that is swung left and right, drive station is some promotion, and equipment stress point concentration is not easy to aggravate equipment.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of reciprocating gear screening machines, to solve existing transmission Equipment can not be driven the problems such as concentrating compared with big load, maintenance of equipment difficulty and stress point.

In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:

A kind of reciprocating gear screening machine, including rack, the power device being respectively arranged in the rack, multiple sieve nests and The transmission device connecting respectively with the sieve nest, multiple sieve nests are set gradually from top to bottom along the rack and the sieve nest Aperture be sequentially reduced, the power device is specially motor, and the transmission device includes driving force member, sets along the vertical direction Main shaft, gear-box and the eccentric part set, one end of the driving force member are connected to motor, the other end and the fixed company of the main shaft It connects, the gear-box includes first gear and the second gear that engages, and the first gear is sheathed on edge on the main shaft The rotation of its axis, the axis of the second gear is horizontally disposed, the output end of the second gear be equipped with it is described The eccentric part of sieve nest connection.

Preferably, it is removably fixedly connected between the main shaft of the adjacent transmission device.

Preferably, it is connected between the main shaft of the adjacent transmission device through coupling band.

Preferably, the axial direction of the second gear is arranged with countershaft, and the both ends of the countershaft are removably fixed respectively to be connected It is connected to the eccentric part.

Preferably, the eccentric part is specially eccentric wheel, and one end of the eccentric wheel is connect with the countershaft, the other end with The push rod of the sieve nest connects.

Preferably, the driving force member is specially belt pulley set, and the belt pulley set includes being set on the motor Driving wheel and the driven wheel being provided close on the main shaft of motor are equipped with belt between the driving wheel and the driven wheel.

Preferably, the sieve nest is plastic injection piece, and the sieve nest includes multiple screen frame brackets, multiple screen frame brackets Between be removably fixedly connected.

Preferably, the screen frame bracket includes the sieve of bottom frame He the side of being provided thereon, can between the sieve and the bottom frame Disassembly is fixedly connected, and the sieve is equipped with the sieve pore for being screened to material, and the sieve is formed with the bottom frame The screening chamber passed through for material.

Preferably, the anti-blocking ball for preventing feed blocking is equipped in the screening chamber.

Preferably, the screen frame is equipped with the wedged hole that diameter becomes smaller from top to bottom along the vertical direction, the sieve and institute Screen frame is stated through the wedged hole and wedge block grafting.

Reciprocating gear screening machine provided by the utility model, including the rack, power device being respectively arranged in rack, more A sieve nest and the transmission device being connect respectively with sieve nest, multiple sieve nests set gradually from top to bottom along rack and the aperture of sieve nest according to Secondary reduction, power device are specially motor, main shaft, the gear-box that transmission device includes driving force member, is arranged along the vertical direction And eccentric part, one end of driving force member are connected to motor, the other end is fixedly connected with main shaft, gear-box include first gear and The second gear engaged, first gear is sheathed on main shaft to be rotated along its axis, and the axis of second gear is in the horizontal direction Setting, the output end of second gear are equipped with the eccentric part connecting with sieve nest.

Using reciprocating gear screening machine provided by the utility model, motor drives driving force member to drive main axis, The first gear being arranged on main shaft rotates in the horizontal plane along the axis of main shaft, and second gear is engaged with first gear by power It exports through output end to the eccentric part being connect with sieve nest, eccentric part rotation drives sieve nest shake to realize screening, which uses tooth Wheel drive mechanism, transmission is precise and stable, and each sieve nest is separately connected transmission device, and component maintenance is simple.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of schematic view of the front view of reciprocating gear screening machine provided by the embodiment of the utility model；

Fig. 2 is the overlooking structure diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of sieve nest provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of screen frame bracket provided by the utility model；

Fig. 5 is the lateral structure schematic diagram of screen frame bracket provided by the utility model.

It is marked in attached drawing as follows:

Motor 1, belt pulley set 2, main shaft 3, coupling band 4, gear-box 5, countershaft 6, eccentric wheel 7, push rod 8, first gear 51, Second gear 52, sieve nest 9, screen frame bracket 91, sieve 92, anti-blocking ball 93, bottom frame 94, wedged hole 95.

Specific embodiment

The utility model embodiment discloses a kind of reciprocating gear screening machine, can not be driven with solving existing drive apparatus The problems such as being concentrated compared with big load, maintenance of equipment difficulty and stress point.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-Fig. 2 is please referred to, Fig. 1 is a kind of main view knot of reciprocating gear screening machine provided by the embodiment of the utility model Structure schematic diagram；Fig. 2 is the overlooking structure diagram of Fig. 1；Fig. 3 is the structural representation of sieve nest provided by the embodiment of the utility model Figure；Fig. 4 is the structural schematic diagram of screen frame bracket provided by the utility model；Fig. 5 is screen frame bracket provided by the utility model Lateral structure schematic diagram.

In a kind of specific embodiment, reciprocating gear screening machine provided by the utility model, including rack, difference Power device, multiple sieve nests 9 in rack and the transmission device connecting respectively with sieve nest 9, multiple sieve nests 9 are along rack from upper Set gradually under and the aperture of sieve nest 9 be sequentially reduced, power device is specially motor 1, transmission device include driving force member, Main shaft 3, gear-box 5 and the eccentric part being arranged along the vertical direction, one end of driving force member are connect with motor 1, the other end and master Axis 3 is fixedly connected, and gear-box 5 includes first gear 51 and the second gear 52 engaged, and first gear 51 is sheathed on main shaft 3 On rotated along its axis, the axis of second gear 52 is horizontally disposed, and the output end of second gear 52 is equipped with and sieve nest 9 The eccentric part of connection.

Sieve nest 9 is set gradually from top to bottom on the rack, and the hole of sieve nest 9 it is upper without leave under be sequentially reduced, motor 1 and dynamic The connection of power driving member, driving force member can be specially gear set or belt pulley set 2 etc., realize power from motor 1 to the biography of main shaft 3 Dynamic, main shaft 3 is equipped with first gear 51, and main shaft 3 is arranged along the vertical direction, and first gear 51 is rotary shaft along the axis of main shaft 3 It rotates in the horizontal plane, second gear 52 is engaged with first gear 51, and the rotation in 52 horizontal planes of second gear is converted to Rotation in vertical plane, it is to be understood that second gear 52 and first gear 51 pass through gear-box 5 and carry out installation positioning, Specific installation positioning method can refer to the prior art, and the rotation in vertical plane is transferred to partially by the output end of second gear 52 Rotation in vertical plane is converted to reciprocating motion to push sieve nest 9 to sieve by heart part, eccentric part.Wherein eccentric part can be specific It is within the protection scope of the present utility model for eccentric wheel 7 or eccentric lobe etc..

Using reciprocating gear screening machine provided by the utility model, motor 1 drives driving force member to drive 3 turns of main shaft Dynamic, the first gear 51 being arranged on main shaft 3 rotates in the horizontal plane along the axis of main shaft 3, second gear 52 and first gear 51 engagements export power to the eccentric part connecting with sieve nest 9 through output end, and eccentric part rotation drives the shake of sieve nest 9 to realize sieve Point, which uses gear drive, and transmission is precise and stable, and each sieve nest 9 is separately connected transmission device, and component maintenance is simple.

Specifically, being removably fixedly connected between the main shaft 3 of adjacent drive device.Thus it is arranged, when each sieve nest 9 is connected Transmission device when needing maintenance, can remove and be replaced at any time, and no replacement is required the entire main shaft 3 when 3 serious wear of main shaft, only Main shaft 3 corresponding to sieve nest 9 is needed to change, plant maintenance is convenient.Further, it is passed through between the main shaft 3 of adjacent drive device Coupling band 4 connects.Its stable transmission is accurate, and component maintenance replacement is simple, and equipment easily realizes standardized production.Main shaft 3 passes through company Axle sleeve links together main shaft 3 corresponding to bilevel sieve nest 9, achievees the purpose that while synchronous rotary, and can basis It needs to increase or decrease the number of sieve nest 9, is arranged convenient and simple.

In one embodiment, the axial direction of second gear 52 is arranged with countershaft 6, and the both ends of countershaft 6 are dismountable solid respectively Surely it is connected with eccentric part.In order to which the power transmission to sieve nest 9 is stablized, the both ends of sieve nest 9 are respectively set push rod 8, push rod 8 respectively with The eccentric part at 6 both ends of countershaft is fixedly connected, and be preferably screwed connection.Preferably, eccentric part is specially eccentric wheel 7, eccentric One end of wheel 7 is connect with countershaft 6, and the other end is connect with the push rod 8 of sieve nest 9.The rotation of countershaft 6 is transmitted to eccentric wheel 7, eccentric wheel 7 rotate in vertical plane, and the reciprocating motion for pushing it in the horizontal plane is connect with push rod 8.

Driving force member is specially belt pulley set 2, and belt pulley set 2 includes the driving wheel on motor 1 and is provided close to Driven wheel on the main shaft 3 of motor 1 is equipped with belt between driving wheel and driven wheel.

In one embodiment, sieve nest 9 is plastic injection piece, and sieve nest 9 includes multiple screen frame brackets 91, multiple screen frame brackets It is removably fixedly connected between 91.Existing sieve nest 9 is sheet metal bending weldment, complex manufacturing technology, when in use equipment Between rub generation noise it is big, and high labor cost, and the manufacturing process of plastic injection piece is simple, is sieved by mold injection Frame bracket 91, multiple screen frame brackets 91 splice according to the required length of screening machine to be arranged, can by being bonded or riveting, grafting etc. Form is fixed, when select removably be fixedly connected mode when such as grafting, when one of screen frame bracket 91 wear need When replacement, the part of sieve nest 9 can be replaced, reduce production and maintenance cost.Certainly, in other embodiments, sieve nest 9 It can voluntarily can be configured as needed to be obtained by single injection-molded.The equipment noise is low, reduces equipment and is sieving Noise in dither process, and installation is easy to make, can be obtained by mold injection.

Specifically, screen frame bracket 91 includes the sieve 92 of bottom frame 94 and the side of being provided thereon, it is removable between sieve 92 and bottom frame 94 That unloads is fixedly connected, and sieve 92 is equipped with the sieve pore for being screened to material, and sieve 92 and bottom frame 94, which are formed, is used for material By screening chamber.

It can be removably fixedly connected by screw etc. between bottom frame 94 and sieve 92, or be set in other embodiments The modes such as grafting are set, fixed form can be voluntarily selected, it is easy to disassemble when sieve 92 needs to change.The diameter of the sieve pore of sieve 92 is big It is small to require to be configured according to the screening of material to be screened, hollow cavity is formed between sieve 92 and bottom frame 94, is also provided on screen frame There is the through-hole that material passes through, is smoothly flowed down convenient for material and do not generate blocking.Further, in order to guarantee the smooth circulation of material, Anti-blocking ball 93 is set in screening chamber.

Further, screen frame is equipped with the wedged hole 95 that diameter becomes smaller from top to bottom along the vertical direction, sieve 92 and sieve Frame is through wedged hole 95 and wedge block grafting.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims

1. a kind of reciprocating gear screening machine including rack, the power device being respectively arranged in the rack, multiple sieve nests and divides The transmission device not connecting with the sieve nest, multiple sieve nests are set gradually from top to bottom along the rack and the sieve nest Aperture is sequentially reduced, it is characterised in that:

The power device is specially motor, main shaft, the tooth that the transmission device includes driving force member, is arranged along the vertical direction One end of roller box and eccentric part, the driving force member is connected to motor, and the other end is fixedly connected with the main shaft, the gear Case includes first gear and the second gear that engages, and the first gear is sheathed on the main shaft to be rotated along its axis, The axis of the second gear is horizontally disposed, and the output end of the second gear is inclined equipped with connecting with the sieve nest Heart part.

2. reciprocating gear screening machine according to claim 1, which is characterized in that the master of the adjacent transmission device Between centers is removably fixedly connected.

3. reciprocating gear screening machine according to claim 2, which is characterized in that between the main shaft of the adjacent transmission device It is connected through coupling band.

4. reciprocating gear screening machine according to claim 3, which is characterized in that the axial direction of the second gear is arranged with Countershaft, the both ends of the countershaft are removably fixedly connected with the eccentric part respectively.

5. reciprocating gear screening machine according to claim 4, which is characterized in that the eccentric part is specially eccentric wheel, One end of the eccentric wheel is connect with the countershaft, and the other end is connect with the push rod of the sieve nest.

6. reciprocating gear screening machine according to claim 5, which is characterized in that the driving force member is specially belt Wheel group, the belt pulley set include the driving wheel on the motor and are provided close to driven on the main shaft of motor Wheel is equipped with belt between the driving wheel and the driven wheel.

7. reciprocating gear screening machine according to claim 1, which is characterized in that the sieve nest is plastic injection piece, institute Stating sieve nest includes multiple screen frame brackets, is removably fixedly connected between multiple screen frame brackets.

8. reciprocating gear screening machine according to claim 7, which is characterized in that the screen frame bracket includes bottom frame and sets Square sieve thereon, is removably fixedly connected between the sieve and the bottom frame, and the sieve is equipped with for material The sieve pore screened, the sieve and the bottom frame form the screening chamber passed through for material.

9. reciprocating gear screening machine according to claim 8, which is characterized in that be equipped in the screening chamber for preventing The anti-blocking ball of feed blocking.

10. reciprocating gear screening machine according to claim 9, which is characterized in that the screen frame is equipped with along vertical side The wedged hole to become smaller to diameter from top to bottom, the sieve and the screen frame are through the wedged hole and wedge block grafting.