CN210290615U

CN210290615U - Special parallel shaft gear box for flat die granulator

Info

Publication number: CN210290615U
Application number: CN201920667682.XU
Authority: CN
Inventors: 唐志生; 甘崇志; 陈玺; 刘杰
Original assignee: Jiangsu Guomao Reducer Group Co ltd
Current assignee: Jiangsu Guomao Reducer Group Co ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-04-10
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a special parallel shaft gear box of flat-die granulator, be equipped with cooling system including parallel shaft gear box body, parallel shaft gear box body side, be equipped with motor and pelletization equipment in its parallel shaft gear box body upper end, be equipped with a plurality of dead eyes, hollow input shaft, gear shaft III and hollow output shaft on the box, motor output shaft passes through IEC motor flange and parallel key and hollow input shaft hole hookup, through the vice speed reduction of tertiary cylinder helical gear and increase the turn round, realizes the hollow input shaft operation of vertical motor drive, and hollow input shaft rolls the internal surface of mould through the epaxial compression roller of parallel key drive pelletization equipment and realizes the granule suppression. The parallel shaft gearbox has the beneficial effects that the parallel shaft gearbox is reasonable in sealing performance, compact in structure and low in manufacturing cost; the transmission system has high efficiency, reasonable lubrication and cooling and reliable sealing; the input flange and the output flange of the parallel shaft gear box are provided with positioning rabbets, the whole set of equipment has good centering performance, and the parallel shaft gear box can be widely used for flat-die granulator equipment.

Description

Special parallel shaft gear box for flat die granulator

Technical Field

The utility model relates to a gear box design, concretely relates to special parallel axis gear box of flat-die granulation machine.

Background

In a flat die granulator system, which typically includes a motor, an input coupling, a vertical shaft gear box, a base, and a granulation apparatus, the following problems exist with this configuration: the bevel gear in the vertical shaft gearbox has high manufacturing cost; when the vertical shaft gear box is vertically installed, lubricating oil is easy to leak and leak from an input shaft of the gear box; the whole structure is not compact, and a base and an input coupling are required to be arranged; the vertical shaft gear box has an input coupling and a bevel gear pair, so that the transmission efficiency is not higher than that of a parallel shaft gear box. There is therefore a need to develop a parallel axis gearbox that addresses the above problems.

Disclosure of Invention

Aiming at the problems of high manufacturing cost, unreliable sealing, incompact structure, low transmission efficiency and the like of a vertical shaft gear box in the flat-die granulator equipment, the invention provides the parallel shaft gear box special for the flat-die granulator, which can solve the problems. This parallel shaft gear box can provide compact, efficient transmission system for flat-die granulation machine, also supports fixedly for pelletization equipment provides simultaneously, and its concrete technical scheme is: a parallel shaft gear box special for a flat-die granulator comprises a parallel shaft gear box body, a cooling system is arranged at the side end of the parallel shaft gear box body, a motor and granulation equipment are arranged at the upper end of the parallel shaft gear box body, it is characterized in that the parallel shaft gear box body also comprises an IEC motor flange, a gear I, a gear II, a gear III, a gear shaft II, a box body, an end cover, an output flange, a sight hole cover, an oil separator, an oil sight glass, a copper pipe and a pipe joint, the novel granulating device is characterized in that a plurality of bearing holes, a hollow input shaft, a gear shaft III and a hollow output shaft are arranged on the box body, the motor output shaft is connected with an inner hole of the hollow input shaft through an IEC motor flange and a flat key, the hollow input shaft is driven by a vertical motor to operate through speed reduction and torque increase of a three-stage cylindrical bevel gear pair, and particle pressing is realized on the inner surface of a compression roller rolling die on a main shaft of the flat key driving granulating device.

The further improvement is that the hollow input shaft is placed in a first bearing hole of the box body through a bearing; the gear I is sleeved on a gear shaft II through a flat key, the gear shaft II is placed in a second bearing hole of the box body through a bearing, the gear II is sleeved on a gear shaft III through a flat key, and the gear shaft III is placed in a third bearing hole of the box body through a bearing; the gear III is sleeved on the hollow output shaft through a flat key, and the hollow output shaft is placed in a fourth bearing hole of the box body through a bearing.

The improved structure is characterized in that the end cover is provided with a plurality of unthreaded holes, the unthreaded holes are in threaded connection with the threaded connector of the box body through bolts, and the side surface of the end cover is provided with an oil inlet threaded connector.

The improved structure of the oil-return type oil-gas pipeline inspection well is characterized in that a plurality of counter bores are arranged on the output flange, the counter bores are in threaded connection with a threaded connector of the box body through hexagon socket head cap screws, an oil-inlet threaded connector is arranged on the side face of the output flange, a plurality of first unthreaded holes are arranged on the inspection hole cover, the first unthreaded holes are in threaded connection with the threaded connector of the box body through bolts, and an oil-return threaded connector is arranged on the inspection hole cover.

The further improvement lies in that the oil suction port and the oil outlet port of the cooling system are respectively communicated with the oil return port on the sight hole cover and the oil inlet port of the oil separator through metal hoses.

The further improvement lies in that an oil suction port of the cooling system is communicated with an oil return threaded interface on the sight hole cover through a metal hose.

The oil outlet of the cooling system is communicated with the threaded interface on the oil separator through a metal hose.

The further improvement is that the spigot of the output flange is matched and positioned with the fourth bearing hole of the box body, the flange spigot of the granulating equipment is matched and positioned with the spigot of the output flange, and the unthreaded hole on the granulating equipment is in threaded connection with the threaded interface of the output flange through a bolt.

The oil separator is further improved in that the oil separator is provided with two light holes II, the light holes II are in threaded connection with a threaded connector of the box body through bolts, the oil separator is provided with a plurality of threaded hole connectors I, an upper threaded connector and a threaded hole connector III, and the oil sight glass is in threaded connection with the threaded connector of the oil separator through threads.

The further improvement is that the pipe joint is respectively screwed at the threaded interfaces of the IEC motor flange, the end cover, the output flange and the oil distributor through threaded interfaces, and the copper pipe is fixedly sleeved on the pipe joint after being flared.

The utility model has the advantages that: firstly, the parallel shaft gear box has reasonable sealing performance, compact structure and low manufacturing cost; secondly, the transmission system has high efficiency, reasonable lubrication and cooling and reliable sealing; thirdly, the input flange and the output flange of the parallel shaft gear box are provided with positioning rabbets, the whole set of equipment has good centering performance, and can be widely used for flat-die granulator equipment

Drawings

Fig. 1 and 2 are a front view and a plan view, respectively, of a parallel axis gearbox:

FIGS. 3 and 4 are a front view and a side view of an IEC motor flange;

fig. 5 and 6 are front and side views of the output flange:

fig. 7 is a view of the structure of the manhole cover:

FIG. 8 is a view showing the structure of the oil separator;

FIG. 9 is a schematic view of the apparatus connection;

the device comprises a 1-IEC motor flange, a 2-hollow input shaft, a 3-gear I, a 4-gear shaft II, a 5-gear II, a 6-gear shaft III, a 7-end cover, a 8-gear III, a 9-hollow output shaft, a 10-output flange, a 11-manhole cover, a 12-box body, a 13-oil separator, a 14-oil sight glass, a 15-pipe joint, a 16-copper pipe, a 17-cooling system, an 18-motor, a 19-granulation device, a 102-spigot, a 103-threaded interface, a 104-counter bore, a 105-oil inlet threaded interface, a 111-oil return threaded interface, a 112-unthreaded hole I, a 132-unthreaded hole II, a 133-upper threaded interface and a 134-threaded hole interface III.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary of the invention, and that no limitations are intended to the details of construction or design herein shown. The present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of providing a more thorough understanding of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment is combined with attached figures 1-9, and the parallel shaft gear box special for the flat die granulator comprises a parallel shaft gear box body, wherein a cooling system 17 is arranged at the side end of the parallel shaft gear box body, a motor 18 and granulation equipment 19 are arranged at the upper end of the parallel shaft gear box body, a plurality of bearing holes, a hollow input shaft 2, a gear shaft III 6 and a hollow output shaft 9 are arranged on a box body 12, the output shaft of the motor 18 is connected with an inner hole of the hollow input shaft 2 through an IEC motor flange 1 and a flat key, the hollow input shaft 2 is driven by the vertical motor 18 to operate through speed reduction and torque increase of a three-stage cylindrical bevel gear pair, and the hollow input shaft 2 drives the inner surface of a compression roller grinding die on a main shaft of the granulation equipment 19 through the. The parallel shaft gear box body further comprises an IEC motor flange 1, a gear I3, a gear II 5, a gear III 8, a gear shaft II 4, a box body 12, an end cover 7, an output flange 10, a sight hole cover 11, an oil separator 13, an oil sight glass 14, a copper pipe 16 and a pipe joint 15, wherein the hollow input shaft 2 is placed in a first bearing hole of the box body 12 through a bearing; the gear I3 is sleeved on a gear shaft II 4 through a flat key, the gear shaft II 4 is placed in a second bearing hole of the box body 12 through a bearing, the gear II 5 is sleeved on a gear shaft III 6 through a flat key, and the gear shaft III 6 is placed in a third bearing hole of the box body 12 through a bearing; the gear III 8 is sleeved on the hollow output shaft 9 through a flat key, and the hollow output shaft 9 is placed in a fourth bearing hole of the box body 12 through a bearing. The end cover 7 is provided with a plurality of unthreaded holes which are in threaded connection with a threaded interface of the box body 12 through bolts, and the side surface of the end cover 7 is provided with an oil inlet threaded interface; the output flange 10 is provided with a plurality of counter bores 104, the counter bores 104 are screwed at the threaded interface of the box body 12 through hexagon socket head cap screws, and the side surface of the output flange 10 is provided with an oil inlet threaded interface 105; the manhole cover 11 is provided with a plurality of first unthreaded holes 112, the first unthreaded holes 112 are screwed on the threaded connector of the box body 12 through bolts, and the manhole cover 11 is provided with an oil return threaded connector 111.

The oil suction port and the oil outlet port of the cooling system 17 are respectively communicated with an oil return port on the sight hole cover 11 and an oil inlet port of the oil separator 13 through metal hoses; an oil suction port of the cooling system 17 is communicated with an oil return threaded connector 111 on the manhole cover 11 through a metal hose; the oil outlet of the cooling system 17 is communicated with the threaded interface 133 on the oil separator 13 through a metal hose.

The spigot 102 of the output flange 10 is matched and positioned with the fourth bearing hole of the box body 12, the flange spigot of the granulating device 19 is matched and positioned with the spigot 102 of the output flange 10, and the unthreaded hole of the granulating device 19 is screwed at the threaded interface 103 of the output flange 10 through a bolt; the oil separator 13 is provided with two second unthreaded holes 132, the second unthreaded holes 132 are screwed at the threaded interface of the box body 12 through bolts, the oil separator 13 is provided with a plurality of first threaded hole interfaces 131, an upper threaded hole interface 133 and a third threaded hole interface 134, and the oil sight glass 14 is screwed at the threaded interface of the oil separator 13 through threads; the pipe joint 15 is respectively screwed at the threaded interfaces of the IEC motor flange 1, the end cover 7, the output flange 10 and the oil separator 13 through the threaded interfaces; the copper pipe 16 is fixedly sleeved on the pipe joint 15 after flaring.

The use principle is as follows: the special parallel shaft gear box for the flat die granulation machine adopts a motor direct-insertion driving mode, a motor output shaft is connected with an inner hole of a hollow input shaft through an IEC motor flange and a flat key, the operation of the vertical motor driving the hollow output shaft of the vertically-installed parallel shaft gear box is realized through speed reduction and torque increase of a three-stage cylindrical bevel gear pair, and the hollow output shaft drives the inner surface of a compression roller rolling die on a main shaft of the granulation equipment through the flat key to complete a particle pressing process. Because the gear box is vertically installed, lubrication of the gear box must be considered, and the parallel shaft gear box adopts a combined lubrication mode of oil immersion and forced lubrication. A certain amount of lubricating oil (below an oil return port on a sight hole cover) is stored in a gearbox body, meshing points of a bearing and a gear pair below the liquid level of the lubricating oil are lubricated by oil immersion, meshing points of the bearing and the gear pair above the liquid level of the lubricating oil are lubricated by force, the lubricating oil in the gearbox body is sucked into a cooling system by an oil pump in the cooling system, the lubricating oil is cooled by a cooler and then is sent to an oil distributor, and the lubricating oil is respectively sent to the end cover threads of each bearing oil inlet which is not immersed in the lubricating oil by the oil distributor through a copper pipe and a pipe joint, so that the bearings and gears are lubricated.

The power transmitted by the gear box is large, the heat is radiated completely by the outer surface of the box body of the gear box, and the requirement of the thermal power of the gear box cannot be met, so that the gear box needs to be subjected to auxiliary cooling. The gear box adopts an external cooling system to carry out auxiliary cooling on the gear box. The granulating equipment of the flat-die granulator is fixed on the gear box through an output shaft flange, and the parallel shaft gear box not only transmits power to the granulating equipment, but also bears the supporting reaction force generated by the granulating equipment in the rolling process.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments described above. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims

1. A parallel shaft gear box special for a flat-die granulator comprises a parallel shaft gear box body, wherein a cooling system (17) is arranged at the side end of the parallel shaft gear box body, and a motor (18) and granulating equipment (19) are arranged at the upper end of the parallel shaft gear box body, and is characterized in that the parallel shaft gear box body further comprises an IEC motor flange (1), a gear I (3), a gear II (5), a gear III (8), a gear shaft II (4), a box body (12), an end cover (7), an output flange (10), a sight hole cover (11), an oil distributor (13), an oil sight glass (14), a copper pipe (16) and a pipe joint (15), a plurality of bearing holes, a hollow input shaft (2), a gear shaft III (6) and a hollow output shaft (9) are arranged on the box body (12), the output shaft of the motor (18) is connected with the inner hole of the hollow input shaft (2) through the IEC motor, through the speed reduction and torque increase of the three-stage cylindrical helical gear pair, the operation of the vertical motor (18) driving the hollow input shaft (2) is realized, and the hollow input shaft (2) drives the inner surface of a compression roller grinding mold on a main shaft of the granulating equipment (19) through a flat key to realize particle pressing.

2. The parallel shaft gearbox special for the flat die granulator is characterized in that the hollow input shaft (2) is placed in a first bearing hole of the box body (12) through a bearing; the gear I (3) is sleeved on a gear shaft II (4) through a flat key, the gear shaft II (4) is placed in a second bearing hole of the box body (12) through a bearing, the gear II (5) is sleeved on a gear shaft III (6) through a flat key, and the gear shaft III (6) is placed in a third bearing hole of the box body (12) through a bearing; the gear III (8) is sleeved on the hollow output shaft (9) through a flat key, and the hollow output shaft (9) is placed in a fourth bearing hole of the box body (12) through a bearing.

3. The parallel shaft gearbox special for the flat-die granulator according to claim 2, wherein a plurality of unthreaded holes are formed in the end cover (7), the unthreaded holes are in threaded connection with the threaded connector of the box body (12) through bolts, and an oil inlet threaded connector is formed in the side face of the end cover (7).

4. The parallel shaft gearbox special for the flat-die granulator according to claim 3, wherein a plurality of counter bores (104) are formed in the output flange (10), the counter bores (104) are connected to a threaded interface of the box body (12) in a screwed mode through hexagon socket head cap screws, and an oil inlet threaded interface (105) is formed in the side face of the output flange (10).

5. The parallel shaft gearbox special for the flat-die granule machine according to claim 4, characterized in that a plurality of first light holes (112) are arranged on the sight hole cover (11), the first light holes (112) are screwed on the threaded interface of the box body (12) through bolts, and an oil return threaded interface (111) is arranged on the sight hole cover (11).

6. The parallel shaft gearbox special for the flat-die granulator according to claim 5, wherein the oil suction port and the oil outlet port of the cooling system (17) are respectively communicated with the oil return port on the manhole cover (11) and the oil inlet port of the oil separator (13) through metal hoses.

7. The parallel shaft gearbox special for the flat die granulator according to claim 6, wherein an oil suction port of the cooling system (17) is communicated with an oil return threaded interface (111) on the manhole cover (11) through a metal hose, and an oil outlet port of the cooling system (17) is communicated with a threaded interface (133) on the oil separator (13) through a metal hose.

8. The parallel shaft gearbox special for the flat die granulator according to claim 7, wherein the spigot (102) of the output flange (10) is matched and positioned with the fourth bearing hole of the box body (12), the flange spigot of the granulating device (19) is matched and positioned with the spigot (102) of the output flange (10), and the unthreaded hole of the granulating device (19) is screwed at the threaded interface (103) of the output flange (10) through a bolt.

9. The parallel shaft gearbox special for the flat-die granulator according to claim 8, wherein the oil separator (13) is provided with two second unthreaded holes (132), the second unthreaded holes (132) are screwed at the threaded interfaces of the box body (12) through bolts, the oil separator (13) is provided with a plurality of first threaded hole interfaces (131), an upper threaded hole interface (133) and a third threaded hole interface (134), and the oil sight glass (14) is screwed at the threaded interfaces of the oil separator (13) through threads.

10. The parallel shaft gearbox special for the flat die granulator according to claim 9, wherein the pipe joint (15) is respectively screwed at the threaded interfaces of the IEC motor flange (1), the end cover (7), the output flange (10) and the oil separator (13) through threaded interfaces, and the copper pipe (16) is fixedly sleeved on the pipe joint (15) after being flared.