CN210461553U

CN210461553U - Planetary gear box for screw oil press

Info

Publication number: CN210461553U
Application number: CN201921467039.9U
Authority: CN
Inventors: 张风全
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-05
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a planetary gear box for a screw oil press, relating to the technical field of oil press tools; the three planetary gears are uniformly arranged on a planetary gear carrier through planetary gear shafts and bearings, the three planetary gears are meshed with teeth on the outer side wall of an input shaft, an internal gear ring is fixed between a left end cover and a right end cover, internal teeth of the internal gear ring are respectively meshed with the three planetary gears, one end of the input shaft is connected with a connecting part of the planetary gear carrier, a key convex body connected with a pressing screw is arranged on an inner ring of the connecting part, a copper sheet body is bonded on the outer surface of the key convex body, the teeth of the planetary gears and the internal gear ring are helical teeth, the planetary gears and the internal gear ring are in a left-oblique mode, and the teeth on the outer side wall of the input shaft are right-handed teeth; the utility model can realize quick drive, reduce input power and energy consumption, and has low noise; the stability is improved, the quick installation and the disassembly are convenient to realize, and the phenomenon of blocking and difficult disassembly is not easy to occur.

Description

Planetary gear box for screw oil press

Technical Field

The utility model belongs to the technical field of the oil press apparatus, concretely relates to planetary gear for screw oil press.

Background

The gear box of the existing screw oil press has the following defects: the input shaft, the planetary gear and the internal tooth gear ring are all straight teeth, the noise is large during operation, the power of a motor to be driven is large, and the energy consumption is high; and secondly, the connecting part of the planet carrier and the screw pressing shaft is not easy to fall off when being disassembled, so that the maintenance is inconvenient and the time is wasted.

SUMMERY OF THE UTILITY MODEL

The gear box aims to solve the problems that an input shaft, a planetary gear and an internal tooth gear ring of a gear box of the conventional screw oil press are all straight teeth, the noise is high during operation, the power of a motor to be driven is high, and the energy consumption is high; meanwhile, the connecting part of the planet carrier and the screw press shaft is not easy to fall off when being disassembled, so that the maintenance is inconvenient and the time is wasted; an object of the utility model is to provide a planetary gear box for screw oil press.

The utility model discloses a planetary gear box for screw oil press, which comprises a left end cover, a right end cover, a planetary gear carrier, an input shaft, a planetary gear and an internal tooth gear ring; the central point of planet gear carrier puts and is provided with the input shaft mounting groove, and three planetary gear all passes through the planetary gear axle, the even installation of bearing is on the planet gear carrier, and three planetary gear meshes with the tooth on the input shaft lateral wall mutually, and the internal tooth ring gear is fixed between left end lid, right-hand member lid, and the internal tooth of internal tooth ring gear meshes with three planetary gear respectively mutually, and the one end of input shaft is connected with the connecting portion of planet gear carrier, and is provided with the key convex body of being connected with the pressure screw on the inner circle of connecting portion, and the surface bonding of key convex body has the copper sheet body, the tooth of planetary gear, internal tooth ring gear is the skewed tooth, and planetary gear, internal tooth ring gear are left skewed form, tooth on the input shaft lateral wall.

Preferably, the left end cover and the right end cover are provided with fixing hole grooves.

Preferably, the teeth on the outer side wall of the input shaft have a tooth form of 20 °, a tooth number of 12, a modulus of 4, a displacement coefficient of 0.213, a tip clearance coefficient of 0.25, a tip height coefficient of 1, and a helix angle of 23 ° 41' 33 ".

Preferably, the planetary gear has a tooth profile of 20 °, a tooth number of 37, a module of 4, a displacement coefficient of 0.17, a tip clearance coefficient of 0.25, a tip height coefficient of 1, and a helix angle of 23 ° 41' 33 ".

Preferably, the internal gear ring has a tooth profile of 20 °, a tooth number of 87, a modulus of 4, a displacement coefficient of 0, a tip clearance coefficient of 0.25, a crest height coefficient of 1, and a helix angle of 23 ° 41' 33 ".

Compared with the prior art, the beneficial effects of the utility model are that:

the method has the advantages that firstly, the quick driving can be realized, the input power and the energy consumption are reduced, and meanwhile, the noise is low;

and secondly, the stability is improved, the rapid installation and the disassembly are convenient to realize, and the phenomenon of blocking and difficult disassembly is difficult to occur.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

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

fig. 2 is a schematic structural view of the middle connection portion of the present invention.

In the figure: 1-left end cap; 2-right end cap; 3-a planet gear carrier; 4-an input shaft; 5-planetary gear shafts; 6-a planetary gear; 7-an internal gear ring; 3-1-linker; a 3-2-bond projection; 3-3-copper sheet body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1 and 2, the following technical solutions are adopted in the present embodiment: the device comprises a left end cover 1, a right end cover 2, a planet gear carrier 3, an input shaft 4, a planet gear shaft 5, a planet gear 6 and an internal tooth ring gear 7; an input shaft installation groove is formed in the center of the planet gear carrier 3, three planet gears 6 are uniformly installed on the planet gear carrier 3 through planet gear shafts 5 and bearings, the three planet gears 6 are meshed with teeth on the outer side wall of the input shaft 4, an internal tooth ring gear 7 is fixed between a left end cover 1 and a right end cover 2, internal teeth of the internal tooth ring gear 7 are meshed with the three planet gears 6 respectively, one end of the input shaft 4 is connected with a connecting portion 3-1 of the planet gear carrier 3, a key convex body 3-2 connected with a pressing screw is arranged on the inner ring of the connecting portion 3-1, copper sheet bodies 3-3 are bonded on the outer surface of the key convex body 3-2, the teeth of the planet gears 6 and the internal tooth ring gear 7 are oblique teeth, the planet gears 6 and the internal tooth ring gear 7 are oblique on the left side, and the teeth on the outer side wall of the.

Furthermore, the left end cover 1 and the right end cover 2 are provided with fixing hole grooves.

Further, the tooth profile of the teeth on the outer side wall of the input shaft 4 is 20 °, the tooth number is 12, the modulus is 4, the displacement coefficient is 0.213, the tip clearance coefficient is 0.25, the crest height coefficient is 1, and the helix angle is 23 ° 41' 33 ".

Furthermore, the tooth form degree of the planetary gear 6 is 20 degrees, the tooth number is 37 degrees, the modulus is 4, the displacement coefficient is 0.17, the tip clearance coefficient is 0.25, the tooth crest height coefficient is 1, and the helix angle is 23 degrees, 41' 33 ".

Further, the tooth profile degree of the internal-tooth ring gear 7 is 20 °, the tooth number is 87, the modulus is 4, the displacement coefficient is 0, the tip clearance coefficient is 0.25, the tooth crest coefficient is 1, and the helix angle is 23 ° 41' 33 ".

The working principle of the specific embodiment is as follows: adopt the skewed tooth to realize the meshing back, it is small in noise when dressing, and the driven power that needs is little, through the input shaft of dextrorotation, realize intermeshing with levogyration planetary gear 6, internal tooth ring gear 7, it can realize quick drive, when the drive, its input shaft can drive planet carrier 3 and rotate, and planet carrier 3's connecting portion and the axle connection of squeezing the spiral shell, it is convenient for realize the high-speed joint, and the copper sheet of connecting portion can be fast when dismantling, the difficult dead phenomenon of card that appears, stability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A planetary gear box for a screw oil press comprises a left end cover, a right end cover, a planetary gear carrier, an input shaft, a planetary gear and an internal tooth ring gear; the central point that the planet carrier put and is provided with the input shaft mounting groove, three planetary gear all passes through the planetary gear axle, the even installation of bearing is put at the planet carrier, tooth mesh on three planetary gear and the input shaft lateral wall, the internal tooth ring gear is fixed at the left end lid, between the right-hand member lid, and the internal tooth of internal tooth ring gear meshes with three planetary gear respectively mutually, the one end of input shaft is connected with the connecting portion of planet carrier, and the inner circle of connecting portion is provided with the key convex body with pressing the screw shaft and being connected, its characterized in that: the surface bonding of key convex body has the copper sheet body, the tooth of planetary gear, internal tooth ring gear is the skewed tooth, and planetary gear, internal tooth ring gear are left skewed form, the tooth on the input shaft lateral wall is the right-handed tooth.

2. The planetary gear box for the screw oil press according to claim 1, wherein: and the left end cover and the right end cover are provided with fixed hole grooves.

3. The planetary gear box for the screw oil press according to claim 1, wherein: the tooth profile degree of the teeth on the outer side wall of the input shaft is 20 degrees, the tooth number is 12 degrees, the modulus is 4, the displacement coefficient is 0.213, the head clearance coefficient is 0.25, the tooth crest height coefficient is 1, and the helix angle is 23 degrees, 41' 33 ".

4. The planetary gear box for the screw oil press according to claim 1, wherein: the tooth profile of the planet gear is 20 degrees, the tooth number is 37 degrees, the modulus is 4, the displacement coefficient is 0.17, the tip clearance coefficient is 0.25, the tooth crest coefficient is 1, and the helix angle is 23 degrees, 41' 33 ".

5. The planetary gear box for the screw oil press according to claim 1, wherein: the tooth form degree of the internal tooth gear ring is 20 degrees, the tooth number is 87 degrees, the modulus is 4, the displacement coefficient is 0, the top clearance coefficient is 0.25, the tooth crest height coefficient is 1, and the helix angle is 23 degrees, 41' 33 ".