CN214831661U

CN214831661U - Heating drying cylinder

Info

Publication number: CN214831661U
Application number: CN202120219927.XU
Authority: CN
Inventors: 顾元海; 曹丽哲; 王洁琼; 徐汉俊
Original assignee: Ningbo Beilun Hongtong Engineering Construction Co ltd
Current assignee: Ningbo Beilun Hongtong Engineering Construction Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-23
Anticipated expiration: 2031-01-26

Abstract

The application relates to the technical field of asphalt production equipment, in particular to a heating and drying cylinder. It includes dry barrel, still includes cylindric feeder hopper and sets up the scraping subassembly in the feeder hopper, scrape the material subassembly including rotating the piece of connecting in the feeder hopper and setting up in the blade of the up end of rotating the piece, the internal perisporium of feeder hopper is provided with the spacing ring, the up end of spacing ring and the lower terminal surface butt that rotates the piece, the periphery wall of feeder hopper runs through and offers and is used for controlling the rotatory control flume of rotation piece, the cutting edge of blade and the internal perisporium butt of feeder hopper. This application has the effect that reduces the operation difficulty of scraping the material to the inner wall of loading hopper.

Description

Heating drying cylinder

Technical Field

The application relates to the technical field of asphalt production equipment, in particular to a heating and drying cylinder.

Background

The heating drying cylinder is an internal heating conduction type rotary drying device for asphalt production. The wet material obtains heat transferred in a heat conduction mode on the outer wall of the roller, and then moisture is removed, so that the wet material reaches the required moisture content. The heat is then transferred from the inner wall to the outer wall and then through the material film, and the drying machine has high heat efficiency and can be operated continuously, so that the drying machine is widely used for drying liquid materials or strip-shaped materials and is more suitable for paste-shaped and viscous materials.

The existing chinese patent publication No. CN205856981U discloses a drying drum structure of an asphalt stirring apparatus, which mainly includes a drying drum, a feeding hopper disposed at the feeding end of the drying drum, and a supporting ring disposed on the outer peripheral surface of the drying drum, wherein an elastic sheet is disposed on the inner end surface of the supporting ring, and when the drying drum is in a heating or loading state, the supporting ring protects the drying drum, thereby reducing the possibility of cracking of the drying drum.

In view of the above-mentioned related technologies, the inventor believes that, since most of the materials dried by the heating drying cylinder are paste-like or sticky materials, when the materials are conveyed to the drying cylinder, the materials are easily adhered to the inner wall of the feeding hopper, but since the feeding hopper is in a state of continuously conveying the materials, there is a defect that it is difficult to scrape the inner wall of the feeding hopper.

SUMMERY OF THE UTILITY MODEL

In order to reduce the operation difficulty of scraping the material to the inner wall of loading hopper, this application provides a heating drying cylinder.

The application provides a heating drying cylinder adopts following technical scheme:

the utility model provides a heating drying cylinder, includes dry barrel, still includes cylindric feeder hopper and sets up the scraping subassembly in the feeder hopper, the scraping subassembly is including rotating the piece of rotating of connecting in the feeder hopper and setting up in the blade of the up end that rotates the piece, the internal perisporium of feeder hopper is provided with the spacing ring, the up end of spacing ring and the lower terminal surface butt that rotates the piece, the periphery wall of feeder hopper runs through and is offered and be used for controlling the rotatory control flume that rotates, the cutting edge of blade and the internal perisporium butt of feeder hopper.

Through adopting above-mentioned technical scheme, when the internal perisporium of feeder hopper is scraped to needs, control through the control groove and rotate the piece and do the circumference rotation around the axis of feeding hopper, and then drive the blade and take place to rotate, because the cutting edge of blade and the internal perisporium butt of feeder hopper for the blade scrapes the material to the internal perisporium of feeder hopper all the time, and then reduces the operation difficulty degree of scraping the material to the inner wall of feeder hopper.

Optionally, the scraping assembly further comprises a driving part, and the driving part comprises a motor arranged on the outer peripheral wall of the feeding hopper and a driving gear arranged on an output shaft of the motor; the rotation piece includes ring portion and sets up in the driven gear portion of ring portion's outer peripheral face, the driving gear wears to establish the control slot and with driven gear portion intermeshing.

Through adopting above-mentioned technical scheme, because the driving gear wears to establish the control tank and with driven gear portion intermeshing for when the material is scraped to the inner wall of feeder hopper to needs, can open the motor, it is rotatory through the motor drive driving gear, and then drive and rotate the piece and take place the rotation, make the operation to rotating the piece more simple and convenient, indirectly reduce the operation difficulty degree of scraping the material to the inner wall of feeder hopper.

Optionally, the upper end face of the limiting ring is provided with a universal ball, and the spherical surface of the universal ball is abutted to the lower end face of the circular ring portion.

Through adopting above-mentioned technical scheme, because the sphere of universal ball and the lower terminal surface butt of ring portion for rotate the piece when doing the rotation in a circumferential direction around the axis of advancing the hopper, will rotate the sliding friction between piece and the spacing ring and turn into the rolling friction between ring portion and the universal ball, make when the control rotates the rotation in a circumferential direction of piece, more smooth to the control of rotating the piece.

Optionally, the inner peripheral surface of driven gear portion is provided with the locating piece, the constant head tank has been seted up to the outer peripheral face of ring portion, the locating piece is pegged graft in the constant head tank.

Through adopting above-mentioned technical scheme, when driven gear portion uses for a long time and the breakage appears, can carry out solitary change to driven gear portion, indirect extension rotates the live time of piece. In addition, the constant head tank restriction locating piece removes for when the driving gear drove driven gear portion circumference and rotate, driven gear portion drove the ring portion and takes place the rotation.

Optionally, the lower terminal surface of circular portion is provided with the butt piece, the up end of butt piece and the lower terminal surface butt of driven gear portion.

Through adopting above-mentioned technical scheme, the up end face of butt piece and the lower terminal surface butt of driven gear part for the butt piece further restricts the removal of driven gear part, reduces the possibility that driven gear part breaks away from the ring portion.

Optionally, one end of the blade, which is close to the rotating part, is provided with a limiting block, the upper end face of the driven gear part is provided with a supporting seat, and the inner end face of the supporting seat is provided with a limiting groove for the limiting block to be inserted.

Through adopting above-mentioned technical scheme, when the blade uses for a long time and the breakage appears, can carry out solitary change to the blade, the indirect live time that prolongs the scraper subassembly. In addition, the movement of spacing block is restricted to the spacing groove for when the driving gear drives driven gear portion circumferential direction and rotates, reduce the possibility that the blade breaks away from the supporting seat.

Optionally, the outer end surface of the supporting seat is provided with a limiting portion for covering the limiting groove, and the inner end surface of the limiting portion is abutted to the outer end surface of the limiting block.

Through adopting above-mentioned technical scheme, the interior terminal surface of spacing portion and the outer terminal surface butt of stopper for when the driving gear drives driven gear portion circumferential direction, spacing portion further limits the removal of stopper, reduces the possibility that the blade breaks away from the supporting seat.

Optionally, the inner circumferential surface of the limit ring is provided with a positioning cover, the positioning cover includes a positioning ring disposed on the inner circumferential surface of the limit ring and a positioning portion disposed on the upper end surface of the positioning ring, and the lower end surface of the positioning portion abuts against the upper end surface of the driven gear portion.

By adopting the technical scheme, because the lower end face of the positioning part is abutted against the upper end face of the driven gear part, the positioning part can limit the movement of the driven gear part while limiting the movement of the circular part, so that the possibility that the circular part and the driven gear part are separated from the limiting ring is reduced, and the possibility that the driven gear part is separated from the circular part is reduced.

Optionally, the outer circumferential surface of the positioning portion abuts against the inner end surface of the support seat.

By adopting the technical scheme, the outer peripheral surface of the positioning part is abutted against the inner end surface of the supporting seat, so that the positioning part further limits the movement of the limiting block, and the possibility that the limiting block is separated from the supporting seat is reduced.

Optionally, the upper end surface of the positioning part is provided with a guide surface

Through adopting above-mentioned technical scheme, be provided with the spigot surface at the up end of location portion for when the blade scrapes the material to the internal perisporium of feeder hopper, the material of scraping from the internal perisporium of feeder hopper directly passes through the dry barrel feed end of more smooth entering of spigot surface, reduces piling up of material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the inner peripheral wall of the feeding hopper needs to be scraped, the rotating piece is controlled to rotate circumferentially around the axis of the feeding hopper through the control groove, so that the blade is driven to rotate, and the blade is enabled to scrape the inner peripheral wall of the feeding hopper all the time due to the fact that the cutting edge of the blade is abutted to the inner peripheral wall of the feeding hopper, and further the operation difficulty of scraping the inner wall of the feeding hopper is reduced;

2. because the driving gear wears to establish the control tank and with driven gear portion intermeshing for when the material is scraped to the inner wall of feeder hopper to needs, can open the motor, rotate the piece through motor drive and take place the rotation, make the operation to rotating the piece more simple and convenient, the indirect operation degree of difficulty that reduces the inner wall to the loading hopper and scrape the material.

Drawings

Fig. 1 is a schematic structural view of a heating and drying cylinder according to an embodiment of the present application.

Fig. 2 is a schematic view of the hopper and scraper assembly of fig. 1.

Fig. 3 is an exploded view of the hopper and scraper assembly shown in fig. 2.

Fig. 4 is an exploded view of the scraper assembly shown in fig. 3.

Fig. 5 is an exploded view of the rotor and blade shown in fig. 4.

Description of reference numerals: 1. drying the cylinder body; 2. a feed hopper; 3. a scraping component; 4. a backing ring; 5. an elastic sheet; 6. a rotating member; 7. a blade; 8. a drive member; 9. a motor; 10. a driving gear; 11. a limiting ring; 12. a universal ball; 13. a control slot; 14. a circular ring part; 15. a driven gear portion; 16. positioning blocks; 17. positioning a groove; 18. abutting the sheet; 19. a limiting block; 20. a supporting seat; 21. a limiting groove; 22. a limiting part; 23. a positioning cover; 24. a positioning ring; 25. a positioning part; 26. caulking grooves; 27. a guide surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a heating drying cylinder. Referring to fig. 1, the heating and drying cylinder includes a drying cylinder 1, a feeding hopper 2 welded at the feeding end of the drying cylinder 1, a scraping component 3 arranged on the feeding hopper 2, and a trunnion ring 4 fixed on the outer peripheral surface of the drying cylinder 1 by bolts, wherein an elastic sheet 5 is integrally formed on the inner end surface of the trunnion ring 4.

In this embodiment, two support rings 4 are provided, and are disposed at an interval on the outer peripheral surface of the drying cylinder 1. And the number of the elastic pieces 5 is set according to the length of the inner circumferential surface of the trunnion ring 4. When the drying cylinder body 1 is in a heating or loading state, the support ring 4 protects the drying cylinder body 1 through the elastic sheet 5, and further reduces the possibility of cracking of the drying cylinder body 1.

In the present embodiment, for convenience of description, a side close to the feeding end of the hopper 2 is defined as an upper end surface, and a side away from the feeding end of the discharge hopper is defined as a lower end surface. The side close to the axis of the feed hopper 2 is defined as the inner end surface and the side remote from the axis of the feed hopper 2 is positioned as the outer end surface.

Referring to fig. 2 and 3, the scraping member 3 includes a rotating member 6 rotatably coupled in the hopper, a blade 7 provided on an upper end surface of the rotating member 6, and a driving member 8 provided on an outer circumferential wall of the hopper. In the present embodiment, two blades 7 are provided, and the two blades 7 are arranged in a central symmetry manner with respect to the axis of the rotating member 6. In addition, the cutting edges of the two blades 7 are abutted to the inner peripheral wall of the feeding hopper 2, so that when the rotating piece 6 controls the two blades 7 to rotate around the axis of the feeding hopper 2 in the circumferential direction through the driving piece 8, the two blades 7 effectively clean the inner wall of the feeding hopper 2.

Referring to fig. 3 and 4, the driving member 8 includes a motor 9 and a driving gear 10 provided on an output shaft of the motor 9. In the present embodiment, the motor 9 is fixed to the outer peripheral wall of the hopper 2 by bolts, and the driving gear 10 is fixed to the output shaft of the motor 9 by welding.

The inner peripheral wall of the feeding hopper 2 is integrally formed with a limiting ring 11, and the upper end face of the limiting ring 11 is provided with universal balls 12, for example fourteen universal balls 12 are arranged in central symmetry by taking the axis of the limiting ring 11 as the center. The rotating part 6 is arranged on the limiting ring 11, and the lower end surface of the rotating part 6 is abutted against the spherical surface of the universal ball 12.

The periphery wall of feeder hopper 2 runs through and offers the control groove 13 that is used for controlling the rotation of rotation piece 6, and rotation piece 6 includes ring portion 14 and sets up in the driven gear portion 15 of the outer peripheral face of ring portion 14, and driving gear 10 wears to establish control groove 13 and with driven gear portion 15 intermeshing.

Referring to fig. 4 and 5, four positioning blocks 16 are integrally molded on the inner peripheral surface of the driven gear portion 15, and the four positioning blocks 16 are provided in a central symmetry about the axis of the driven gear portion 15. The outer peripheral surface of ring portion 14 has seted up constant head tank 17, and four for the example, four constant head tanks 17 use the axis of ring portion 14 as the center, also are centrosymmetric setting. The positioning blocks 16 are inserted into the positioning grooves 17, and each positioning block 16 corresponds to each positioning groove 17.

The lower terminal surface welding of ring portion 14 has butt piece 18, takes four as the example, and four butt pieces 18 use the axis of ring portion 14 as the center, also are centrosymmetric setting. When the positioning block 16 is inserted into the positioning groove 17, the upper end surface of the abutting piece 18 abuts against the lower end surface of the driven gear part 15.

One end of the blade 7 close to the rotating part 6 is integrally formed with a limiting block 19, and in the embodiment, the cross section of the limiting block 19 is isosceles trapezoid. The upper end face of driven gear portion 15 has welded supporting seat 20, and the interior terminal surface of supporting seat 20 offers the spacing groove 21 that supplies stopper 19 to peg graft. Further, a stopper portion 22 for covering the stopper groove 21 is integrally formed on the outer end surface of the support seat 20, and the inner end surface of the stopper portion 22 abuts against the outer end surface of the stopper 19.

Referring to fig. 3 and 5, the inner circumferential surface of the retainer ring 11 is provided with a positioning cap 23. Specifically, the positioning cover 23 includes a positioning ring 24 provided on the inner peripheral surface of the retainer ring 11, and a positioning portion 25 provided on the upper end surface of the positioning ring 24. In this embodiment, the inner end surface of the limiting ring 11 is provided with an embedding groove 26 for embedding the positioning ring 24, and the positioning ring 24 is connected with the groove wall nut of the embedding groove 26. The positioning portion 25 is integrally formed on the upper end surface of the positioning ring 24, the lower end surface of the positioning portion 25 abuts against the upper end surface of the driven gear portion 15, and the outer peripheral surface of the positioning portion 25 abuts against the inner end surface of the support base 20.

At this time, the positioning portion 25 can restrict the movement of the circular portion 14, the movement of the driven gear portion 15, and the movement of the stopper 19.

In addition, the upper end surface of the positioning portion 25 is provided with a guide surface 27. In particular, the guide surface 27 gradually approaches the axis of the hopper 2 in a direction approaching the stop collar 11.

The implementation principle of a heating drying cylinder of the embodiment of the application is as follows:

when the internal perisporium of feeder hopper 2 needs to be cleared up, at first open motor 9, it is rotatory to drive driving gear 10 through motor 9, because driving gear 10 wears to establish control slot 13 and with driven gear portion 15 intermeshing for driving gear 10 drives and rotates piece 6 and rotates, and then drives blade 7 and take place to rotate. And the cutting edge of blade 7 and the internal perisporium butt of feeder hopper 2 for blade 7 scrapes the material to the internal perisporium of feeder hopper 2 all the time, and then makes the clearance to the inner wall of feeder hopper 2 more simple and convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A heating drying cylinder comprises a drying cylinder body (1), and is characterized in that: still include cylindric feeder hopper (2) and set up scraping subassembly (3) in feeder hopper (2), scrape material subassembly (3) including rotating rotation piece (6) of connecting in the feeder hopper and set up in blade (7) of the up end that rotates piece (6), the internal perisporium of feeder hopper (2) is provided with spacing ring (11), the up end of spacing ring (11) and the lower terminal surface butt that rotates piece (6), the periphery wall of feeder hopper (2) runs through and offers and is used for controlling the rotatory control groove (13) of rotation piece (6), the cutting edge of blade (7) and the internal perisporium butt of feeder hopper (2).

2. A heated drying cylinder as claimed in claim 1, wherein: the scraping assembly (3) further comprises a driving piece (8), and the driving piece (8) comprises a motor (9) arranged on the outer peripheral wall of the feeding hopper (2) and a driving gear (10) arranged on an output shaft of the motor (9); the rotating piece (6) comprises a circular ring portion (14) and a driven gear portion (15) arranged on the outer peripheral surface of the circular ring portion (14), and the driving gear (10) penetrates through the control groove (13) and is meshed with the driven gear portion (15).

3. A heated drying cylinder as claimed in claim 2, wherein: the upper end face of the limiting ring (11) is provided with a universal ball (12), and the spherical surface of the universal ball (12) is abutted against the lower end face of the circular ring part (14).

4. A heated drying cylinder according to claim 3, wherein: the inner peripheral surface of driven gear portion (15) is provided with locating piece (16), constant head tank (17) have been seted up to the outer peripheral surface of ring portion (14), locating piece (16) are pegged graft in constant head tank (17).

5. A heated drying cylinder according to claim 4, characterized in that: the lower end face of the circular ring part (14) is provided with a contact piece (18), and the upper end face of the contact piece (18) is in contact with the lower end face of the driven gear part (15).

6. A heated drying cylinder as claimed in claim 2, wherein: the cutter blade (7) is close to the one end that rotates piece (6) and is provided with stopper (19), the up end of driven gear portion (15) is provided with supporting seat (20), spacing groove (21) that supply stopper (19) to peg graft are seted up to the interior terminal surface of supporting seat (20).

7. A heated drying cylinder according to claim 6, characterized in that: the outer end face of the supporting seat (20) is provided with a limiting portion (22) used for covering the limiting groove (21), and the inner end face of the limiting portion (22) is abutted to the outer end face of the limiting block (19).

8. A heated drying cylinder according to claim 7, characterized in that: the inner peripheral surface of spacing ring (11) is provided with location lid (23), location lid (23) including set up in the holding ring (24) of the inner peripheral surface of spacing ring (11) and set up in location portion (25) of the up end of holding ring (24), the up end butt of the lower terminal surface of location portion (25) and driven gear portion (15).

9. A heated drying cylinder as claimed in claim 8, wherein: the peripheral surface of the positioning part (25) is abutted against the inner end surface of the supporting seat (20).

10. A heated drying cylinder as claimed in claim 8, wherein: the upper end surface of the positioning part (25) is provided with a guide surface (27).