CN210082467U

CN210082467U - Extrusion tablet press

Info

Publication number: CN210082467U
Application number: CN201920435840.9U
Authority: CN
Inventors: 苏捷; 高志群
Original assignee: Zhejiang Jie Yu New Materials Polytron Technologies Inc
Current assignee: Zhejiang Jie Yu New Materials Polytron Technologies Inc
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-02-18
Anticipated expiration: 2029-04-02

Abstract

An extrusion tablet press. The method is characterized in that: the driving component comprises a motor, a cycloid pin gear speed reducing unit and an output gear, the motor is connected with the cycloid pin gear speed reducing unit in a driving mode, and the cycloid pin gear speed reducing unit is connected with the output gear; the conveying assembly comprises two conveying wheels and a conveying belt, wherein one end of one conveying wheel is provided with a transmission gear, the other end of the one conveying wheel is provided with a driving chain wheel, and the transmission gear is meshed with the output gear; the preforming subassembly includes parallel arrangement's initiative compression roller and driven pinch roller, and initiative compression roller one end is equipped with the driving gear, and the other end is equipped with driven sprocket to connect through the chain, driven pinch roller one end is equipped with driven gear, meshes with the driving gear mutually. Its advantage lies in adopting above scheme, through the transmission mode of cycloid pinwheel reduction unit cooperation gear, not only the structure is compacter, has reduced the volume, the equipment of being convenient for, and bearing capacity is strong simultaneously, and transmission efficiency is high, and work is more stable effective, and long service life saves power moreover more, can use the motor of littleer model, reduce cost.

Description

Extrusion tablet press

Technical Field

The utility model relates to an extrude tablet press.

Background

The through groove of the extrusion tablet press comprises an extrusion mechanism and a tablet pressing mechanism, the material is placed in the extrusion mechanism, and after being extruded by the extrusion mechanism, the material enters the tablet pressing mechanism for tablet pressing and is sent out.

The tabletting mechanism usually comprises a driving assembly, a conveying assembly and a compression roller tabletting assembly, wherein the driving assembly usually adopts a motor, a worm and gear speed reducer and belt transmission, the motor drives the conveying assembly to act through the belt transmission after realizing the speed reduction through the worm and gear speed reducer, and the conveying assembly synchronously drives the compression roller tabletting assembly.

Because drive assembly need drive conveying assembly, compression roller preforming subassembly action simultaneously, consequently its characteristic that requires bearing capacity height, big velocity ratio, ability self-locking, but current drive assembly adopts motor combination worm gear speed reducer machine and belt drive's speed reduction mode, and not only structural rigidity is poor, and the fracture of conveyer belt itself or worm gear speed reducer machine output shaft is caused easily in dragging pulling of conveyer belt, and life is low, and the installation space who needs is big moreover, and the installation is inconvenient.

Therefore, how to solve the above-mentioned drawbacks of the prior art becomes the direction of efforts of those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides an extrude tablet press solves not only that the structural rigidity is poor, life is low and install inconvenient, with high costs problem of current extrusion tablet press.

The utility model discloses the technical scheme who adopts: an extrusion tablet press comprises an extrusion mechanism and a tablet pressing mechanism; the tabletting mechanism comprises a rack, and a driving assembly, a conveying assembly and a tabletting assembly which are arranged on the rack; the driving assembly comprises a motor, a cycloidal pin gear speed reducing unit and an output gear, the motor is in driving connection with the cycloidal pin gear speed reducing unit, and the cycloidal pin gear speed reducing unit is connected with the output gear; the conveying assembly is arranged above the driving assembly and comprises two conveying wheels and a conveying belt, the two conveying wheels are connected through the conveying belt, one end of one conveying wheel is provided with a transmission gear, the other end of the one conveying wheel is provided with a driving chain wheel, and the transmission gear is meshed with the output gear; the preforming subassembly sets up in conveying subassembly top, including parallel arrangement's initiative compression roller and driven pinch roller, be formed with the gap between initiative compression roller and the driven pinch roller, and this gap is corresponding with extrusion mechanism's discharge gate, initiative compression roller one end is equipped with the driving gear, and the other end is equipped with driven sprocket, driven sprocket passes through the chain with driving sprocket and is connected, driven pinch roller one end is equipped with driven gear, driven gear meshes with the driving gear mutually.

The cycloidal pin wheel speed reduction unit comprises an inner gear ring, an eccentric shaft, a cycloidal wheel, an output shaft and an end cover; the two ends of the eccentric shaft are respectively supported in the inner gear ring and the output shaft, one end of the eccentric shaft is connected with the motor, the cycloid wheel is installed on the eccentric shaft, the outer rings of the two ends of the cycloid wheel are respectively provided with a first tooth and a second tooth, the first tooth is meshed with the inner gear ring, the second tooth is meshed with the output shaft, and the output shaft extends out of the end cover and is connected with the output gear.

A stepped hole is formed at the end part of the output shaft, one end of the eccentric shaft is supported in the stepped hole through a first bearing, and a second bearing is arranged between the other end of the eccentric shaft and the inner gear ring.

The output shaft is arranged in the inner gear ring, a circular groove is formed in the outer wall of the output shaft and corresponds to the inner wall of the second inner gear ring, and a ball is embedded in the circular groove.

And a third bearing is arranged between the output shaft and the end cover.

Still be equipped with the tight regulation subassembly in the frame, the tight regulation subassembly includes the horizontal regulating block that sets up, the regulating block can be controlled and adjusted, be equipped with the regulating wheel on the regulating block, the regulating wheel contacts with the chain.

The left side and the right side of the adjusting block are correspondingly provided with transversely arranged long grooves, the adjusting block penetrates through the long grooves through bolts to be fixed on the rack, and the adjusting wheel is arranged at a position between the two long grooves corresponding to the adjusting block.

The utility model has the advantages that: scheme more than adopting, through the transmission mode of cycloid pinwheel reduction unit cooperation gear, not only the structure is compacter, has reduced the volume, the equipment of being convenient for, and bearing capacity is strong simultaneously, and transmission efficiency is high, and work is more stable effective, and long service life, power saving more moreover can be with the motor of littleer model, reduce cost.

Drawings

Fig. 1 is a schematic structural diagram of an extrusion tablet press according to an embodiment of the present invention.

Fig. 2 is a schematic view of a partial structure of a tablet pressing mechanism according to an embodiment of the present invention.

Fig. 3 is a partial schematic structural view of another view of the sheeting mechanism according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of a cycloidal-pin gear speed reduction unit according to an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a portion a of fig. 3.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, an extrusion tablet press comprises an extrusion mechanism and a tablet pressing mechanism; the tabletting mechanism comprises a rack 1, and a driving assembly 2, a conveying assembly 3 and a tabletting assembly 4 which are arranged on the rack 1.

The driving assembly 2 comprises a motor 21, a cycloidal-pin gear speed reducing unit 22 and an output gear 23, wherein the motor 21 is in driving connection with the cycloidal-pin gear speed reducing unit 22, and the cycloidal-pin gear speed reducing unit 22 is connected with the output gear 23; the conveying assembly 3 is arranged above the driving assembly 2 and comprises two conveying wheels 31 and a conveying belt 32, the two conveying wheels 31 are connected through the conveying belt 32, one end of one conveying wheel 31 is provided with a transmission gear 33, the other end of the one conveying wheel 31 is provided with a driving chain wheel 34, and the transmission gear 33 is meshed with the output gear 23; the preforming subassembly 4 sets up in conveying subassembly 3 top, including parallel arrangement's initiative compression roller 41 and driven pinch roller 42, be formed with the gap between initiative compression roller 41 and the driven pinch roller 42, and this gap is corresponding with extruding means's discharge gate, initiative compression roller 41 one end is equipped with driving gear 43, and the other end is equipped with driven sprocket 44, driven sprocket 44 passes through the chain with drive sprocket 34 and is connected, driven pinch roller 42 one end is equipped with driven gear 45, driven gear 45 meshes with driving gear 43 mutually.

When the device works, the motor 21 drives the output gear 23 to rotate after being decelerated by the cycloidal pin gear deceleration unit 22, the output gear 23 is in meshing transmission with the transmission gear 33 to drive the transmission wheel 31 to rotate, the transmission wheel 31 is matched with a transmission belt to realize the transmission action of the transmission assembly 3, meanwhile, the transmission wheel 31 drives the driving compression roller 41 to rotate through chain transmission, the driving compression roller 41 and the driven compression roller 42 rotate oppositely through gear transmission, and meanwhile, the tabletting action is realized.

As shown in fig. 4, the cycloidal-pin gear speed reduction unit 22 includes a ring gear 221, an eccentric shaft 222, a cycloidal gear 223, an output shaft 224, and an end cover 225; two ends of the eccentric shaft 222 are respectively supported in the internal gear ring 221 and the output shaft 224, one end of the eccentric shaft 222 is connected with the motor 21, the cycloidal gear 223 is installed on the eccentric shaft 222, the outer rings of the two ends of the eccentric shaft are respectively provided with a first tooth and a second tooth, the first tooth is meshed with the internal gear ring 221, the second tooth is meshed with the output shaft 224, and the output shaft 224 extends out of the end cover 225 and is connected with the output gear 23.

By adopting the scheme, the driving assembly 2 is more compact in structure, reduced in size, convenient to assemble, strong in bearing capacity, high in transmission efficiency, stable and effective in work, long in service life, more power-saving, capable of using a motor with a smaller model and reducing cost by matching the driving mode of the cycloid pin gear speed reducing unit 22 with the gear.

A stepped hole is formed at an end of the output shaft 224, one end of the eccentric shaft 222 is supported in the stepped hole by a first bearing 226, and a second bearing 227 is provided between the other end and the ring gear 221. The output shaft 224 is arranged in the inner gear ring 221, a circular groove is formed on the outer wall of the output shaft 224 corresponding to the inner wall of the second inner gear ring 221, and a ball 228 is embedded in the circular groove. A third bearing 229 is arranged between the output shaft 224 and the end cap 225. Not only rational in infrastructure, further reduced the friction moreover, improve the performance.

As shown in fig. 3 and 5, the frame 1 is further provided with a tightness adjusting assembly 5, the tightness adjusting assembly 5 comprises a transversely arranged adjusting block 51, the adjusting block 51 can be adjusted left and right, an adjusting wheel 52 is arranged on the adjusting block 51, and the adjusting wheel 52 is in contact with the chain. The left side and the right side of the adjusting block 51 are correspondingly provided with transversely arranged long grooves 53, the adjusting block 51 passes through the long grooves 53 through bolts 54 to be fixed on the frame 1, and the adjusting wheel 52 is arranged at a position between the two long grooves 53 corresponding to the adjusting block 51.

Chain drive is after using a period, and the condition that appears not hard up, often need change the chain, can carry out the tight regulation to the chain through tight regulation subassembly 5, further improves the life of chain, reduces the change, reduce cost.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. An extrusion tablet press comprises an extrusion mechanism and a tablet pressing mechanism; the tabletting mechanism comprises a rack (1), and a driving assembly (2), a conveying assembly (3) and a tabletting assembly (4) which are arranged on the rack (1);

the method is characterized in that: the driving assembly (2) comprises a motor (21), a cycloid pin gear speed reducing unit (22) and an output gear (23), the motor (21) is in driving connection with the cycloid pin gear speed reducing unit (22), and the cycloid pin gear speed reducing unit (22) is connected with the output gear (23);

the conveying assembly (3) is arranged above the driving assembly (2) and comprises two conveying wheels (31) and a conveying belt (32), the two conveying wheels (31) are connected through the conveying belt (32), one end of one conveying wheel (31) is provided with a transmission gear (33), the other end of the one conveying wheel is provided with a driving chain wheel (34), and the transmission gear (33) is meshed with the output gear (23);

preforming subassembly (4) set up in conveying subassembly (3) top, including parallel arrangement's initiative compression roller (41) and driven pinch roller (42), be formed with the gap between initiative compression roller (41) and driven pinch roller (42), and this gap is corresponding with extrusion mechanism's discharge gate, initiative compression roller (41) one end is equipped with driving gear (43), and the other end is equipped with driven sprocket (44), driven sprocket (44) pass through the chain with driving sprocket (34) and are connected, driven pinch roller (42) one end is equipped with driven gear (45), driven gear (45) mesh with driving gear (43) mutually.

2. An extrusion tablet press according to claim 1, characterized in that: the cycloidal pin gear speed reducing unit (22) comprises a ring gear (221), an eccentric shaft (222), a cycloidal gear (223), an output shaft (224) and an end cover (225);

two ends of the eccentric shaft (222) are respectively supported in the inner gear ring (221) and the output shaft (224), one end of the eccentric shaft (222) is connected with the motor (21), the cycloid wheel (223) is installed on the eccentric shaft (222), the outer rings of the two ends of the cycloid wheel are respectively provided with a first tooth and a second tooth, the first tooth is meshed with the inner gear ring (221), and the second tooth is meshed with the output shaft (224).

3. An extrusion tablet press according to claim 2, characterized in that: a stepped hole is formed at the end of the output shaft (224), one end of the eccentric shaft (222) is supported in the stepped hole through a first bearing (226), and a second bearing (227) is arranged between the other end of the eccentric shaft and the inner gear ring (221).

4. An extrusion tablet press according to claim 2, characterized in that: the output shaft (224) is arranged in the inner gear ring (221), a circular groove is formed in the outer wall of the output shaft (224) and the inner wall of the second inner gear ring (221) correspondingly, and a ball (228) is embedded in the circular groove.

5. An extrusion tablet press according to claim 2, characterized in that: and a third bearing (229) is arranged between the output shaft (224) and the end cover (225).

6. An extrusion tablet press according to claim 1, characterized in that: still be equipped with elasticity adjusting part (5) on frame (1), elasticity adjusting part (5) are including horizontal regulating block (51) that sets up, regulating block (51) can left right side adjustment, be equipped with regulating wheel (52) on regulating block (51), regulating wheel (52) and chain contact.

7. An extrusion tablet press according to claim 6, characterized in that: the adjusting block (51) is provided with transversely-arranged long grooves (53) on the left side and the right side, the adjusting block (51) is fixed on the frame (1) through the long grooves (53) penetrated by bolts, and the adjusting wheel (52) is arranged at a position between the two long grooves (53) corresponding to the adjusting block (51).