CN212536547U - Coaxial hard tooth surface speed reducer - Google Patents

Abstract

The utility model discloses a coaxial hard tooth surface speed reducer, which comprises a reduction gearbox, a heat dissipation unit, a lubricating unit and an extrusion unit; a reduction gearbox: install the motor on the leading flank, the output shaft of motor is fixed on the preceding terminal surface of worm, the rear end of worm rotates to be connected on the inside back lateral wall of reducing gear box, it is connected with the worm wheel to rotate on the inside left side wall of reducing gear box, the worm wheel meshes with the worm mutually, be fixed with first conical gear on the right-hand member face of worm wheel, two corresponding connecting holes have been seted up on the side of the front and back of reducing gear box, the inside of connecting hole is rotated and is connected with the connecting axle, the connecting axle is located and is fixed with second conical gear on the inside terminal surface of reducing gear box, and two second conical gear all mesh with first conical gear mutually, set up evenly distributed's thermovent on the last side of reducing gear box, have very strong thermal diffusivity can to can effectively reduce the wearing.

Description

Coaxial hard tooth surface speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a coaxial-type hard flank of tooth speed reducer.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, is a relatively precise machine, aims to reduce the rotating speed and increase the torque, has various types and different models, has different purposes and can be divided into a gear speed reducer, a worm speed reducer and a planetary gear speed reducer according to transmission types; the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer according to different transmission stages; according to the shape of the gear, the gear can be divided into a cylindrical gear reducer, a conical gear reducer and a conical-cylindrical gear reducer; the traditional gear reducer can be divided into an expanded type reducer, a split type reducer and a coaxial type reducer according to a transmission arrangement form, when the traditional gear reducer is used, a lot of heat is generated inside the gear reducer due to friction, and if the heat cannot be dissipated timely, the abrasion of internal devices of the gear reducer is greatly increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a coaxial-type flank of hard tooth speed reducer, have very strong thermal diffusivity can to can effectively reduce the wearing and tearing of inside gear, can effectively solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coaxial hard tooth surface speed reducer comprises a speed reduction box, a heat dissipation unit, a lubricating unit and an extrusion unit;

a reduction gearbox: the front side surface is provided with a motor, an output shaft of the motor is fixed on the front end surface of a worm, the rear end of the worm is rotatably connected to the rear side wall inside the reduction gearbox, the left side wall inside the reduction gearbox is rotatably connected with a worm wheel, the worm wheel is meshed with the worm, a first conical gear is fixed on the right end surface of the worm wheel, two corresponding connecting holes are formed in the front side surface and the rear side surface of the reduction gearbox, the connecting holes are rotatably connected with a connecting shaft, a second conical gear is fixed on the end surface of the connecting shaft inside the reduction gearbox, the two second conical gears are both meshed with the first conical gear, and the upper side surface of the reduction gearbox is provided with uniformly distributed cooling holes;

a heat dissipation unit: the heat dissipation unit is arranged on the lower side wall inside the reduction gearbox and blows out hot air inside the reduction gearbox;

a lubrication unit: the gearbox is characterized by comprising a storage box, a connecting pipe, a connecting box and a connecting hose, wherein the storage box and the connecting box are fixed on the front side face of the gearbox, the storage box is connected with the connecting box through the connecting pipe, the connecting pipe is respectively communicated with the inner cavities of the storage box and the connecting box, the connecting hose is fixed on the right side face of the connecting box, the connecting hose is communicated with the inner cavity of the connecting box, one end, far away from the connecting box, of the connecting hose is fixed in the middle of the upper side face of the gearbox, the connecting hose is communicated with the inner cavity of the gearbox, and parts inside the gearbox are lubricated by arranging a;

an extrusion unit: the extrusion unit is arranged on the front side surface of the reduction box, is matched with the lubricating unit and is used for extracting lubricating oil in the storage box;

wherein: the electric motor is characterized by further comprising a control switch, wherein the control switch is installed on the right side face of the reduction gearbox, the input end of the control switch is electrically connected with the output end of an external power supply, and the output end of the control switch is electrically connected with the input end of the electric motor.

Furthermore, the heat dissipation unit comprises a rotating shaft, a third bevel gear and fan blades, the rotating shaft is rotatably connected to the lower side wall inside the reduction gearbox, the third bevel gear is fixed on the upper end face of the rotating shaft, the third bevel gear is respectively meshed with the two second bevel gears, and three fan blades corresponding to each other are fixed on the circumferential face of the rotating shaft.

Furthermore, the extrusion unit contains a rubber block, a connecting rod, a fixing ring, an extrusion block, a spring and a cam, a sliding through groove is formed in the upper side face of the connecting box, the rubber block is connected to the inside of the sliding through groove in a sliding mode, the connecting rod is fixed to the upper end face of the rubber block, the fixing ring and the spring are sleeved on the circumferential face of the connecting rod, the fixing ring is fixed to the front side face of the reduction box, the lower end of the spring is fixed to the upper end face of the fixing ring, the extrusion block is fixed to the upper end face of the connecting rod, the upper end of the spring is fixed to the lower side face of the extrusion block, the cam is fixed to the front end face of the connecting shaft on the front side.

Further, be fixed with the oiling pipe on the leading flank of bin, the oiling pipe communicates with each other with the inner chamber of bin, the front end threaded connection of oiling pipe periphery has the block, and lubricating oil enters into the inside of bin through the oiling pipe.

Furthermore, four corresponding fixing blocks are fixed on the left side surface and the right side surface of the reduction gearbox, fixing holes are formed in the middle of the fixing blocks, and the reduction gearbox is fixed through the fixing blocks and the fixing holes.

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

1. the motor is controlled to rotate through the control switch, the motor rotates to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the third bevel gear and the two second bevel gears to rotate, the third bevel gear rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the three fan blades to rotate, the three fan blades rotate to blow hot air in the reduction box to the outside of the reduction box through the heat dissipation port, and the device has strong heat dissipation performance;

2. two second bevel gears rotate to drive two connecting shafts to rotate, the connecting shaft on the front side rotates to drive the cam to rotate, the cam rotates to downwards extrude the extrusion block after the convex part of the cam is contacted with the extrusion block so that the extrusion block moves downwards, the extrusion block moves upwards under the action of the spring after the convex part of the cam is separated from the extrusion block, the cam continuously rotates to enable the extrusion block to reciprocate up and down, the extrusion block reciprocates up and down to drive the rubber block to reciprocate up and down, the rubber block reciprocates up and down to inject lubricating oil in the storage box into the reduction gearbox through the connecting hose, the lubricating oil injected into the reduction gearbox downwards falls onto the upper end face of the third bevel gear, and then contacts with the first bevel gear and the two second bevel gears along the conical face of the third bevel gear, so that the first bevel gear, the second bevel gear and the rubber block are connected with the, Two second bevel gears and third bevel gear are lubricated, make through setting up above the device the utility model discloses can effectively reduce the wearing and tearing of the inside gear of reducing gear box.

Drawings

FIG. 1 is a schematic front side view of the present invention;

FIG. 2 is a schematic view of the internal structure of the reduction box of the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation unit of the present invention;

fig. 4 is a schematic structural view of the extruding unit of the present invention.

In the figure: the device comprises a reduction box 1, a motor 2, a worm 3, a worm gear 4, a first bevel gear 5, a connecting shaft 6, a heat dissipation unit 7, a rotating shaft 71, a third bevel gear 72, fan blades 73, a lubrication unit 8, a storage box 81, a connecting pipe 82, a connecting box 83, a connecting hose 84, an extrusion unit 9, a rubber block 91, a connecting rod 92, a fixing ring 93, an extrusion block 94, a spring 95, a cam 96, a second bevel gear 10, a heat dissipation port 11, a control switch 12, an oil filling pipe 13, a cover cap 14, a fixing block 15 and a fixing hole 16.

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. 1-4, the coaxial hard tooth surface reducer provided by the present invention includes a reduction box 1, a heat dissipation unit 7, a lubrication unit 8 and an extrusion unit 9;

a reduction gearbox 1: the front side surface is provided with a motor 2, an output shaft of the motor 2 is fixed on the front end surface of a worm 3, the rear end of the worm 3 is rotatably connected on the rear side wall inside a reduction gearbox 1, the left side wall inside the reduction gearbox 1 is rotatably connected with a worm wheel 4, the worm wheel 4 is meshed with the worm 3, the right end surface of the worm wheel 4 is fixedly provided with a first conical gear 5, the front side surface and the rear side surface of the reduction gearbox 1 are provided with two corresponding connecting holes, the inside of each connecting hole is rotatably connected with a connecting shaft 6, the end surface of the connecting shaft 6 inside the reduction gearbox 1 is fixedly provided with a second conical gear 10, the two second conical gears 10 are both meshed with the first conical gear 5, and the upper side surface of the reduction gearbox;

the heat dissipation unit 7: the heat dissipation unit 7 comprises a rotating shaft 71, a third bevel gear 72 and fan blades 73, the rotating shaft 71 is rotatably connected to the lower side wall inside the reduction gearbox 1, the third bevel gear 72 is fixed on the upper end face of the rotating shaft 71, the third bevel gear 72 is respectively meshed with the two second bevel gears 10, the three fan blades 73 corresponding to each other are fixed on the circumferential surface of the rotating shaft 71, and hot air inside the reduction gearbox 1 is blown out by arranging the heat dissipation unit 7;

the lubricating unit 8: the lubricating device comprises a storage box 81, a connecting pipe 82, a connecting box 83 and a connecting hose 84, wherein the storage box 81 and the connecting box 83 are fixed on the front side surface of the reduction gearbox 1, the storage box 81 is connected with the connecting box 83 through the connecting pipe 82, the connecting pipe 82 is respectively communicated with the inner cavities of the storage box 81 and the connecting box 83, the connecting hose 84 is fixed on the right side surface of the connecting box 83, the connecting hose 84 is communicated with the inner cavity of the connecting box 83, one end, far away from the connecting box 83, of the connecting hose 84 is fixed in the middle of the upper side surface of the reduction gearbox 1, the connecting hose 84 is communicated with the inner cavity of the reduction gearbox 1, and parts inside the reduction;

the pressing unit 9: is arranged on the front side surface of the reduction gearbox 1, an extrusion unit 9 is matched with a lubricating unit 8, the extrusion unit 9 comprises a rubber block 91, a connecting rod 92 and a fixing ring 93, the lubricating oil pump comprises an extrusion block 94, a spring 95 and a cam 96, wherein a sliding through groove is formed in the upper side face of a connecting box 83, a rubber block 91 is connected in the sliding through groove in a sliding mode, a connecting rod 92 is fixed on the upper end face of the rubber block 91, a fixing ring 93 and the spring 95 are sleeved on the circumferential face of the connecting rod 92, the fixing ring 93 is fixed on the front side face of a reduction gearbox 1, the lower end of the spring 95 is fixed on the upper end face of the fixing ring 93, the extrusion block 94 is fixed on the upper end face of the connecting rod 92, the upper end of the spring 95 is fixed on the lower side face of the extrusion block 94, the cam 96 is fixed on the front end face of a connecting shaft 6 on the front side, the cam 96 corresponds to the;

wherein: the device is characterized by further comprising a control switch 12, wherein the control switch 12 is installed on the right side face of the reduction gearbox 1, the input end of the control switch 12 is electrically connected with the output end of an external power supply, and the output end of the control switch 12 is electrically connected with the input end of the motor 2.

Wherein: an oil filling pipe 13 is fixed on the front side surface of the storage tank 81, the oil filling pipe 13 is communicated with the inner cavity of the storage tank 81, a cap 14 is screwed on the front end of the circumferential surface of the oil filling pipe, and lubricating oil enters the storage tank 81 through the oil filling pipe 13.

Wherein: four corresponding fixing blocks 15 are fixed on the left side surface and the right side surface of the reduction gearbox 1, a fixing hole 16 is formed in the middle of each fixing block 15, and the reduction gearbox 1 is fixed through the arrangement of the fixing blocks 15 and the fixing holes 16.

When in use: the motor 2 is controlled to rotate through the control switch 12, the motor 2 rotates to drive the worm 3 to rotate, the worm 3 rotates to drive the worm wheel 4 to rotate, the worm wheel 4 rotates to drive the first bevel gear 5 to rotate, the first bevel gear 5 rotates to drive the third bevel gear 72 and the two second bevel gears 10 to rotate, the third bevel gear 72 rotates to drive the rotating shaft 71 to rotate, the rotating shaft 71 rotates to drive the three fan blades 73 to rotate, the three fan blades 73 rotate to blow hot air in the reduction gearbox 1 to the outside of the reduction gearbox 1 through the heat dissipation port 11, the two second bevel gears 10 rotate to drive the two connecting shafts 6 to rotate, the connecting shaft 6 at the front side rotates to drive the cam 96 to rotate, in the rotating process of the cam 96, when the convex part of the cam 96 is in contact with the extrusion block 94, the extrusion block 94 is extruded downwards to move, when the convex part of the cam 96 is separated from the extrusion block 94, the extrusion block 94 moves upwards under the action, the cam 96 continuously rotates to enable the extrusion block 94 to reciprocate up and down, the extrusion block 94 reciprocates up and down to drive the rubber block 91 to reciprocate up and down, the rubber block 91 reciprocates up and down to inject the lubricating oil in the storage tank 81 into the reduction gearbox 1 through the connecting hose 84, the lubricating oil injected into the reduction gearbox 1 falls down to the upper end face of the third bevel gear 72, and then contacts with the first bevel gear 5 and the two second bevel gears 10 along the conical surface of the third bevel gear 72, so that the first bevel gear 5, the two second bevel gears 10 and the third bevel gear 72 are lubricated.

It is noted that the control switch 12 disclosed in the present embodiment controls the operation of the motor 2 by a method commonly used in the art.

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 (5)

1. The utility model provides a coaxial-type hard tooth face speed reducer which characterized in that: comprises a reduction gearbox (1), a heat dissipation unit (7), a lubricating unit (8) and an extrusion unit (9);

reduction gearbox (1): a motor (2) is arranged on the front side surface, an output shaft of the motor (2) is fixed on the front end surface of the worm (3), the rear end of the worm (3) is rotatably connected to the rear side wall in the reduction gearbox (1), a worm wheel (4) is rotatably connected on the left side wall inside the reduction gearbox (1), the worm wheel (4) is meshed with the worm (3), a first bevel gear (5) is fixed on the right end surface of the worm wheel (4), two corresponding connecting holes are arranged on the front side and the rear side of the reduction gearbox (1), a connecting shaft (6) is rotatably connected inside the connecting holes, the end surface of the connecting shaft (6) positioned in the reduction gearbox (1) is fixed with two bevel gears (10), the two bevel gears (10) are both meshed with the first bevel gear (5), the upper side surface of the reduction gearbox (1) is provided with evenly distributed cooling ports (11);

heat dissipation unit (7): is arranged on the lower side wall inside the reduction gearbox (1);

lubrication unit (8): the gearbox is characterized by comprising a storage box (81), a connecting pipe (82), a connecting box (83) and a connecting hose (84), wherein the storage box (81) and the connecting box (83) are fixed on the front side surface of the gearbox (1), the storage box (81) is connected with the connecting box (83) through the connecting pipe (82), the connecting pipe (82) is respectively communicated with the inner cavities of the storage box (81) and the connecting box (83), the connecting hose (84) is fixed on the right side surface of the connecting box (83), the connecting hose (84) is communicated with the inner cavity of the connecting box (83), one end, far away from the connecting box (83), of the connecting hose (84) is fixed in the middle of the upper side surface of the gearbox (1), and the connecting hose (84) is communicated with the inner cavity of the gearbox (1);

pressing unit (9): the extrusion unit (9) is arranged on the front side surface of the reduction gearbox (1) and is matched with the lubricating unit (8);

wherein: the motor is characterized by further comprising a control switch (12), wherein the control switch (12) is installed on the right side face of the reduction gearbox (1), the input end of the control switch (12) is electrically connected with the output end of an external power supply, and the output end of the control switch (12) is electrically connected with the input end of the motor (2).

2. The coaxial hard tooth surface reducer according to claim 1, wherein: the heat dissipation unit (7) comprises a rotating shaft (71), a third bevel gear (72) and fan blades (73), the rotating shaft (71) is rotatably connected to the lower side wall inside the reduction gearbox (1), the third bevel gear (72) is fixed to the upper end face of the rotating shaft (71), the third bevel gear (72) is respectively meshed with the two second bevel gears (10), and three fan blades (73) corresponding to each other are fixed to the circumferential face of the rotating shaft (71).

3. The coaxial hard tooth surface reducer according to claim 1, wherein: the extrusion unit (9) comprises a rubber block (91), a connecting rod (92), a fixing ring (93), an extrusion block (94), a spring (95) and a cam (96), a sliding through groove is formed in the upper side face of the connecting box (83), the rubber block (91) is connected to the inside of the sliding through groove in a sliding mode, the connecting rod (92) is fixed to the upper end face of the rubber block (91), the fixing ring (93) and the spring (95) are sleeved on the circumferential face of the connecting rod (92), the fixing ring (93) is fixed to the front side face of the reduction gearbox (1), the lower end of the spring (95) is fixed to the upper end face of the fixing ring (93), the extrusion block (94) is fixed to the upper end face of the connecting rod (92), the upper end of the spring (95) is fixed to the lower side face of the extrusion block (94), and the cam (96) is fixed to the front end face of the connecting, the cam (96) and the extrusion block (94) correspond to each other.

4. The coaxial hard tooth surface reducer according to claim 1, wherein: be fixed with oiling pipe (13) on the leading flank of bin (81), oiling pipe (13) communicate with each other with the inner chamber of bin (81), the front end threaded connection of oiling pipe periphery has block (14).

5. The coaxial hard tooth surface reducer according to claim 1, wherein: four corresponding fixing blocks (15) are fixed on the left side surface and the right side surface of the reduction gearbox (1), and a fixing hole (16) is formed in the middle of each fixing block (15).

Images