CN211756848U

CN211756848U - Vibrating screen for preparing HPMC (hydroxy propyl methyl cellulose)

Info

Publication number: CN211756848U
Application number: CN202020153653.4U
Authority: CN
Inventors: 邢双兴
Original assignee: Wuqiao Qiyuan Cellulose Co ltd
Current assignee: Wuqiao Qiyuan Cellulose Co ltd
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-10-27
Anticipated expiration: 2030-02-06

Abstract

The utility model relates to the technical field of cellulose processing accessories, in particular to a vibrating screen for preparing HPMC; when the screen is blocked by materials, the screen does not need to be disassembled and cleaned, so that the working efficiency is ensured; still include fixed sleeve, drive pole, pivot, three group's installation poles, ball bearing, rack and push-and-pull handle, be provided with the round platform on placing the interior diapire in chamber, the filter sieve includes annular rack, circular screen cloth and tube-shape screen cloth, and the gear is installed on the top of pivot, and the bottom of three group's installation poles all can be rotated and is provided with the steel ball, and the bottom of three group's installation poles is provided with the brush hair.

Description

Vibrating screen for preparing HPMC (hydroxy propyl methyl cellulose)

Technical Field

The utility model relates to a technical field of cellulose processing auxiliary device especially relates to a shale shaker for preparing HPMC.

Background

It is known that hydroxypropyl methylcellulose, also known as hypromellose (abbreviated as HPMC), is a species of mixed ethers of non-ionic cellulose. It is a semi-synthetic, inactive, viscoelastic polymer, commonly used in ophthalmology as a lubricant, or in oral pharmaceuticals as an adjuvant or excipient, commonly found in a variety of different commercial products. As a food additive, hypromellose may play the following roles: emulsifier, thickener, suspending agent and animal gelatin substitute.

HPMC needs to be broken with cotton material, smash, cyclone and screening at the preparation in-process, obtains the cotton material powder of required particle size as raw and other materials for the shale shaker of preparation HPMC is an auxiliary device that is used for sieving the cotton material powder, but current shale shaker uses a period of time after, the condition that the screen cloth is blockked up by the material appears easily, needs the manual work to take off the screen cloth and clears up, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a when the screen cloth is blockked up by the material, need not to dismantle the clearance to the screen cloth to guarantee work efficiency's a shale shaker for preparing HPMC.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a vibrating screen for preparing HPMC comprises a base, a shell and a vibrating motor, wherein a plurality of groups of supporting springs are mounted at the top end of the base, the shell is mounted at the top ends of the plurality of groups of supporting springs, the vibrating motor is mounted at the bottom end of the shell, a placing cavity is formed in the shell, a filter screen is arranged in the placing cavity, a feeding hole is formed in the top end of the shell, and two groups of discharging holes are formed in the outer side of the shell; the filter sieve comprises an annular net rack, a circular screen and a cylindrical screen, wherein the annular net rack is fixedly arranged on the inner side wall of the placing cavity, the cylindrical screen is of a small-top large structure, the top end of the cylindrical screen and the bottom end of the circular screen are integrally formed, the bottom end of the cylindrical screen is fixedly connected with the inner ring of the annular net rack, a through hole which is communicated up and down is arranged in the middle of the circular screen, the bottom end of the rotating shaft penetrates through the through hole from the top end of the circular screen and is inserted into the ball bearing, a gear is arranged at the top end of the rotating shaft, one ends of the three groups of mounting rods are welded and fixed with the top of the outer side of the rotating shaft, and steel balls can be rotatably arranged at the other ends of the three groups of mounting rods, the bottom of three groups of steel balls all pastes tightly with the top of annular rack, and the bottom of three groups of installation poles is provided with the brush hair, the brush hair pastes tightly with the outside of circular screen cloth and tube-shape screen cloth, the right-hand member top of casing is provided with fixing hole, fixing sleeve's left end passes fixing hole from the right-hand member of casing and stretches into to placing the intracavity to fixing sleeve and casing fixed connection, the left end of drive pole passes fixing sleeve and stretches into to placing the intracavity to the left end of drive pole is provided with the rack, the front end and the gear engagement of rack, the left end of drive pole is provided with push-and-pull handle.

Preferably, the fixing device further comprises a pin shaft, a first through hole which is through from top to bottom is formed in the fixing sleeve, a second through hole which is through from top to bottom is formed in the driving rod, and the bottom end of the pin shaft penetrates through the first through hole and the second through hole.

Preferably, still include spacing ring and spacing spring, spacing ring and spacing spring all are located places the intracavity, and the spacing ring cover is established in the outside of driving the pole and with driving pole welded fastening, the left end and the right-hand member of spacing spring are pasted tightly with the spacing ring and the right side wall of placing the chamber respectively.

Preferably, the bottom end of the installation rod is provided with a protective cover, the protective cover covers the outer side of the steel ball, and the bottom end of the protective cover is in contact with the top end of the annular net rack.

Preferably, one of them group the discharge gate is flat with annular net rack mutually, and another group the discharge gate is flat with the interior diapire of placing the chamber mutually.

Preferably, the top output end and the bottom output end of the vibration motor are both provided with an eccentric weight.

Preferably, the fixing device further comprises a plurality of fixing columns, a plurality of upper bolts and a plurality of lower bolts, a plurality of upper fixing holes are formed in the bottom of the outer side of the shell, a plurality of lower fixing holes are formed in the top of the outer side of the base, the plurality of fixing columns are located between the shell and the base, upper thread grooves are formed in the top ends of the plurality of fixing columns, the bottoms of the plurality of upper bolts penetrate through the plurality of upper fixing holes respectively and are inserted into the plurality of upper thread grooves in a screwed mode respectively, lower thread grooves are formed in the bottoms of the plurality of fixing columns, and the tops of the plurality of lower bolts penetrate through the plurality of lower fixing through holes respectively and are inserted into the plurality of lower thread.

(III) advantageous effects

Compared with the prior art, the utility model provides a shale shaker for preparing HPMC possesses following beneficial effect:

1. according to the vibrating screen for preparing the HPMC, when the filter screen is blocked by materials, the push-pull driving rod drives the rack to reciprocate, the rack drives the gear and the rotating shaft to rotate, the rotating shaft drives the three groups of mounting rods and the bristles at the bottom ends of the mounting rods to rotate, the circular screen and the cylindrical screen are cleaned through the bristles, the filter screen does not need to be disassembled and cleaned, so that the working efficiency is ensured, the steel balls at the bottom ends of the mounting rods are tightly attached to the top end of the annular net rack, the mounting rods are supported, the stability of the mounting rods in rotation is ensured, and the stability of the mounting rods can be ensured when the shell vibrates;

2. this a shale shaker for preparing HPMC sets the filter sieve into circular screen cloth and tube-shape screen cloth, has increased effective area of sieving, improves filtration efficiency.

Drawings

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

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

fig. 3 is a schematic perspective view of another angle of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

FIG. 5 is a schematic perspective view of the filter screen of the present invention;

in the drawings, the reference numbers: 1. a base; 2. a housing; 3. a vibration motor; 4. a support spring; 5. A feed inlet; 6. a discharge port; 7. fixing the sleeve; 8. driving the rod; 9. a rotating shaft; 10. mounting a rod; 11. a circular truncated cone; 12. a ball bearing; 13. a ring-shaped net frame; 14. a circular screen; 15. a cylindrical screen; 16. a gear; 17. steel balls; 18. brushing; 19. a rack; 20. a push-pull handle; 21. a pin shaft; 22. a limiting ring; 23. a limiting spring; 24. a protective cover; 25. an eccentric weight; 26. fixing a column; 27. screwing a bolt; 28. and (4) a lower bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a vibrating screen for preparing HPMC, which comprises a base 1, a shell 2 and a vibrating motor 3, wherein a plurality of groups of supporting springs 4 are installed on the top end of the base 1, the shell 2 is installed on the top ends of the groups of supporting springs 4, the vibrating motor 3 is installed on the bottom end of the shell 2, a placing cavity is arranged inside the shell 2, a filter screen is arranged in the placing cavity, a feeding port 5 is arranged on the top end of the shell 2, and two groups of discharging ports 6 are arranged outside the shell 2; still include fixed sleeve 7, drive rod 8, pivot 9 and three group's installation poles 10, it is provided with round platform 11 on the interior diapire of placing the chamber to be provided with the mounting groove at the top middle part of round platform 11, fixed mounting has ball bearing 12 in the mounting groove, the filter sieve includes annular net rack 13, circular screen cloth 14 and tube-shape screen cloth 15, annular net rack 13 fixed mounting is on placing the inside wall in chamber, tube-shape screen cloth 15 is big-end-up structure, and tube-shape screen cloth 15's top and circular screen cloth 14's bottom integrated into one piece, and tube-shape screen cloth 15's bottom and annular net rack 13's inner circle fixed connection, and circular screen cloth 14's middle part is provided with the through-hole that link up from top to bottom, the bottom of pivot 9 passes the through-hole and inserts to inside ball bearing 12 from circular screen cloth 14's top to install gear 16 on the top of pivot 9, three group's installation poles 10, the other ends of the three groups of mounting rods 10 are rotatably provided with steel balls 17, the bottom ends of the three groups of steel balls 17 are tightly attached to the top end of the annular net rack 13, bristles 18 are arranged at the bottom ends of the three groups of mounting rods 10, the bristles 18 are tightly attached to the outer sides of the circular screen 14 and the cylindrical screen 15, a fixing through hole is formed in the top of the right end of the shell 2, the left end of the fixing sleeve 7 penetrates through the fixing through hole from the right end of the shell 2 and extends into the placing cavity, the fixing sleeve 7 is fixedly connected with the shell 2, the left end of the driving rod 8 penetrates through the fixing sleeve 7 and extends into the placing cavity, a rack 19 is arranged at the left end of the driving rod 8, the front end of the rack 19 is meshed with the gear 16, and a push-pull; when the filter screen is blocked by materials, the push-pull driving rod 8 drives the rack 19 to reciprocate, the rack 19 drives the gear 16 and the rotating shaft 9 to rotate, the rotating shaft 9 drives the three groups of mounting rods 10 and the bristles 18 at the bottom ends of the mounting rods 10 to rotate, the circular screen 14 and the cylindrical screen 15 are cleaned through the bristles 18, the filter screen does not need to be disassembled and cleaned, and therefore the working efficiency is ensured, the steel balls 17 at the bottom ends of the mounting rods 10 are tightly attached to the top end of the annular net rack 13, the mounting rods 10 are supported, the stability of the mounting rods 10 during rotation is ensured, and the stability of the mounting rods 10 can be ensured when the shell 2 vibrates; the filter screen is set into the circular screen 14 and the cylindrical screen 15, so that the effective screening area is increased, and the filtering efficiency is improved.

The utility model discloses a shale shaker for preparing HPMC, still include round pin axle 21, be provided with the first through-hole that link up from top to bottom on the fixed sleeving 7, be provided with the second through-hole that link up from top to bottom on the drive rod 8, the bottom of round pin axle 21 passes first through-hole and second through-hole; the driving rod 8 can be locked and fixed through the pin shaft 21 during operation, so that the influence on the driving rod 8 caused by the vibration of the shell 2 is prevented.

The utility model discloses a shale shaker for preparing HPMC, still include spacing ring 22 and spacing spring 23, spacing ring 22 and spacing spring 23 all are located and place the intracavity, and spacing ring 22 cover is established in the outside of drive rod 8 and with drive rod 8 welded fastening, the left end and the right-hand member of spacing spring 23 paste tightly with spacing ring 22 and the right side wall of placing the chamber respectively; through the cooperation of spacing ring 22 and spacing spring 23, play spacing effect when pulling drive rod 8 to it reciprocates to be convenient to drive rod 8.

The utility model discloses a shale shaker for preparing HPMC, the bottom of installation pole 10 is provided with safety cover 24, safety cover 24 covers the outside at steel ball 17, and the bottom of safety cover 24 contacts with the top of annular net rack 13; the protective cover 24 can scoop up the material on the top end of the annular net rack 13 during rotation, so that the material is prevented from entering the protective cover 24 and influencing the steel balls 17.

The utility model discloses a vibrating screen for preparing HPMC, wherein one group of the discharge ports 6 is level with an annular net rack 13, and the other group of the discharge ports 6 is level with the inner bottom wall of a placing cavity; the sieved and non-sieved materials are respectively led out through two groups of discharge holes 6.

In the utility model, the top output end and the bottom output end of the vibrating motor 3 are both provided with eccentric weights 25; the vibration motor 3 drives the eccentric weight 25 to rotate, thereby driving the housing 2 to vibrate.

The utility model discloses a shale shaker for preparing HPMC, still include a plurality of fixed columns 26, a plurality of upper bolts 27 and a plurality of lower bolt 28, the outside bottom of casing 2 is provided with a plurality of upper fixing holes, the outside top of base 1 is provided with a plurality of lower fixing holes, a plurality of fixed columns 26 all are located between casing 2 and base 1, and all are provided with the thread groove on the top of a plurality of fixed columns 26, the bottom of a plurality of upper bolts 27 passes a plurality of upper fixing holes respectively and the spiral shell dress inserts to a plurality of upper thread grooves respectively, the bottom of a plurality of fixed columns 26 all is provided with the thread groove down, the top of a plurality of lower bolt 28 passes a plurality of lower fixing through-holes respectively and the spiral shell dress inserts to a plurality of lower thread grooves respectively; during transportation, the base 1 and the housing 2 can be fixed by the fixing posts 26 cooperating with the upper bolts 27 and the lower bolts 28, thereby protecting the support spring 4 and the housing 2.

The utility model discloses a shale shaker for preparing HPMC, when using, the material is leading-in to placing the intracavity from feed inlet 5, drive eccentric weight 25 through vibrating motor 3 and rotate, thereby drive casing 2 vibration, sieve the material through the filter sieve, sieve and not the material of sieving and derive through two sets of discharge gates 6 respectively, when the filter sieve is blockked up by the material, drive pole 8 through the push-and-pull and drive rack 19 reciprocating motion, drive gear 16 and pivot 9 through rack 19 and rotate, pivot 9 drives three groups of installation pole 10 and the brush hair 18 of installation pole 10 bottom and rotates, clear up circular screen 14 and tube-shape screen 15 through brush hair 18, need not to dismantle the filter sieve and clear up, thereby guarantee work efficiency, steel ball 17 through installation pole 10 bottom pastes tightly with the top of annular rack 13, play the effect of supporting to installation pole 10, guarantee the stability when installation pole 10 rotates, and can secure the stability of the mounting rod 10 when the housing 2 vibrates; set the filter sieve into circular screen cloth 14 and tube-shape screen cloth 15, effective sieving area has been increased, filtration efficiency is improved, can lock fixedly at the during operation drive rod 8 through round pin axle 21, prevent that the vibration of casing 2 from causing the influence to drive rod 8, through the cooperation of spacing ring 22 and spacing spring 23, play spacing effect when pulling drive rod 8, and conveniently drive rod 8 reciprocating motion, in the transportation, can fix base 1 and casing 2 through the cooperation of fixed column 26 and upper bolt 27 and lower bolt 28, thereby protect supporting spring 4 and casing 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vibrating screen for preparing HPMC (hydroxy propyl methyl cellulose) comprises a base (1), a shell (2) and a vibrating motor (3), wherein a plurality of groups of supporting springs (4) are installed at the top end of the base (1), the shell (2) is installed at the top ends of the groups of supporting springs (4), the vibrating motor (3) is installed at the bottom end of the shell (2), a placing cavity is formed inside the shell (2), a filter screen is arranged in the placing cavity, a feeding hole (5) is formed in the top end of the shell (2), and two groups of discharging holes (6) are formed in the outer side of the shell (2); the filter screen is characterized by further comprising a fixed sleeve (7), a driving rod (8), a rotating shaft (9) and three groups of mounting rods (10), wherein a round table (11) is arranged on the inner bottom wall of the placing cavity, a mounting groove is formed in the middle of the top end of the round table (11), a ball bearing (12) is fixedly mounted in the mounting groove, the filter screen comprises an annular net rack (13), a circular screen (14) and a cylindrical screen (15), the annular net rack (13) is fixedly mounted on the inner side wall of the placing cavity, the cylindrical screen (15) is of a small-end large-structure, the top end of the cylindrical screen (15) and the bottom end of the circular screen (14) are integrally formed, the bottom end of the cylindrical screen (15) is fixedly connected with the inner ring of the annular net rack (13), a through hole which is vertically communicated is formed in the middle of the circular screen (14), the bottom end of the rotating shaft (9) penetrates through hole from the top end of the circular screen, a gear (16) is arranged at the top end of the rotating shaft (9), one ends of the three groups of mounting rods (10) are welded and fixed with the top of the outer side of the rotating shaft (9), the other ends of the three groups of mounting rods (10) are rotatably provided with steel balls (17), the bottom ends of the three groups of steel balls (17) are tightly attached to the top end of the annular net rack (13), the bottom ends of the three groups of mounting rods (10) are provided with bristles (18), the bristles (18) are tightly attached to the outer sides of the circular screen (14) and the cylindrical screen (15), the top of the right end of the shell (2) is provided with a fixing through hole, the left end of the fixing sleeve (7) penetrates through the fixing through hole to extend into the placing cavity from the right end of the shell (2), the fixing sleeve (7) is fixedly connected with the shell (2), the left end of the driving rod (8) penetrates through the fixing sleeve (7) to extend into the placing cavity, and the left end of, the front end of the rack (19) is meshed with the gear (16), and the left end of the driving rod (8) is provided with a push-pull handle (20).

2. The vibrating screen for preparing HPMC according to claim 1, further comprising a pin shaft (21), wherein a first through hole is formed in the fixing sleeve (7) and penetrates up and down, a second through hole is formed in the driving rod (8) and penetrates up and down, and the bottom end of the pin shaft (21) penetrates through the first through hole and the second through hole.

3. The vibrating screen for preparing HPMC according to claim 2, further comprising a limiting ring (22) and a limiting spring (23), wherein the limiting ring (22) and the limiting spring (23) are both located in the placing cavity, the limiting ring (22) is sleeved on the outer side of the driving rod (8) and is welded and fixed with the driving rod (8), and the left end and the right end of the limiting spring (23) are respectively attached to the limiting ring (22) and the right side wall of the placing cavity.

4. A vibrating screen for the preparation of HPMC according to claim 3, characterised in that the bottom end of the mounting rod (10) is provided with a protective cover (24), the protective cover (24) covers the outside of the steel balls (17), and the bottom end of the protective cover (24) is in contact with the top end of the annular net frame (13).

5. A vibrating screen for the preparation of HPMC according to claim 4, wherein one set of said ports (6) is flat with the annular net support (13) and the other set of said ports (6) is flat with the inner bottom wall of the housing chamber.

6. A vibrating screen for the preparation of HPMC according to claim 5, characterized in that the top and bottom outputs of the vibrating motor (3) are provided with eccentric weights (25).

7. The vibrating screen for preparing HPMC according to claim 6, further comprising a plurality of fixing posts (26), a plurality of upper bolts (27) and a plurality of lower bolts (28), wherein the bottom of the outer side of the casing is provided with a plurality of upper fixing holes, the top of the outer side of the base (1) is provided with a plurality of lower fixing holes, the fixing posts (26) are located between the casing (2) and the base (1), the top ends of the fixing posts (26) are provided with upper thread grooves, the bottom ends of the upper bolts (27) respectively pass through the upper fixing holes and are respectively screwed and inserted into the upper thread grooves, the bottom ends of the fixing posts (26) are provided with lower thread grooves, and the top ends of the lower bolts (28) respectively pass through the lower fixing through holes and are respectively screwed and inserted into the lower thread grooves.