CN209130122U - A kind of high-precision hardened face gear speed reducer - Google Patents

Abstract

The utility model discloses a kind of high-precision hardened face gear speed reducers, including shell, the right center position interference fit of the shell is connected with the outer ring of first bearing, the inner ring interference fit of the first bearing is connected with can be around the input shaft of own axis, the outer wall left screw of the input shaft is connected with the first helical gear, right end is welded with support plate on rear side of the inner cavity of the shell, the right side front of rear end and support plate is interference fitted the outer ring for being connected with second bearing on the right side of the inner cavity of the shell, the inner ring interference fit of the second bearing is connected with can be around the first rotating shaft of own axis, the left side outer wall for extending support plate on the left of the first rotating shaft is connect with the first angular wheel screw.The high-precision hardened face gear speed reducer so that the device be made to reduce the gear of output end and the rate of depreciation of bearing, maintains transmission accuracy, is more suitable for being widely popularized by the cooperation of arc strip, slideway, rectangle seat, spring, sleeve and guide rod.

Description

A kind of high-precision hardened face gear speed reducer

Technical field

The utility model relates to reducer technology field, specially a kind of high-precision hardened face gear speed reducer.

Background technique

Speed reducer plays a part of to match revolving speed between prime mover and working machine or executing agency and transmits torque, speed reducer It is a kind of relatively accurate machinery, the purpose using it is to reduce revolving speed, increases torque, is one kind by being enclosed in stiff case Interior gear drive, worm-drive, pinion-endless screw be driven composed by individual components, be commonly used between driving link and working machine Speed reduction gearing, play a part of to match revolving speed between prime mover and working machine or executing agency and transmit torque, existing Extremely wide for applying in machinery, speed reducer is when driving production equipment operating, the mechanical oscillation meeting of production equipment itself generation It is transmitted to the output end of speed reducer, the gear of output end and the rate of depreciation of bearing is accelerated, transmission accuracy is caused to be lower, it is uncomfortable Conjunction is widely popularized.

Utility model content

The purpose of this utility model is to provide a kind of high-precision hardened face gear speed reducers, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of high-precision hardened face gear speed reducer, Including shell, the right center position of shell interference fit is connected with the outer ring of first bearing, the first bearing it is interior Ring interference fit is connected with can be around the input shaft of own axis；

The outer wall left screw of the input shaft is connected with the first helical gear, and right end is welded on rear side of the inner cavity of the shell Support plate, the inner cavity right side rear end of the shell and the right side front of support plate are interference fitted and are connected with the outer of second bearing Ring, the second bearing inner ring interference fit be connected with can around the first rotating shaft of own axis, the first rotating shaft The left side outer wall that support plate is extended in left side is connect with the first angular wheel screw, and the outer wall right screw of the first rotating shaft connects It is connected to the second helical gear that connection is engaged with the first helical gear, the inner cavity front and rear sides center of the shell is interference fitted It is connected with the outer ring of 3rd bearing, the inner ring interference fit of the 3rd bearing is connected with can be around second turn of own axis The outer wall rear side screw of axis, second shaft is connected with the second angular wheel that connection is engaged with the first angular wheel, described The outer wall center screw of second shaft is connected with the first spur gear, and the equal screw in front and rear sides left end of the shell is connected with The inner cavity interference fit of antivibration mechanism, the antivibration mechanism is connected with output shaft, extends shell on front side of the output shaft The outer wall rear side screw of front side surface, the output shaft is connected with the second spur gear that connection is engaged with the first spur gear；

The antivibration mechanism includes back-shaped plate, and the equal screw of inner cavity surrounding of the back-shaped plate is connected with guide rod, the guide rod Outer wall circumferentially offer slideway, one end of spring is connected on the inside of the guide rod, the outer wall of the guide rod is socketed with Sleeve, the inner cavity of the sleeve are circumferentially welded with the arc strip plugged with slideway, the inside screw connection of the sleeve There is a bearing block, the outer wall of the bearing block and the other end of spring are clamped, and the inner cavity interference fit of the bearing block is connected with the The outer ring of four bearings.

Preferably, the end face of two back-shaped plates is connect with the inner cavity front and rear sides left end screw of shell respectively, described The inner ring of fourth bearing and the outer wall of output shaft are interference fitted and connect.

Preferably, the transmission ratio of first spur gear and the second spur gear is 1:4.

Preferably, the quantity of the slideway is six, and six slideways are by being provided with guide rod every 60 degree clockwise Outer wall circumference.

Preferably, the quantity of the spring is four, and four springs are by being distributed in bearing every 90 degree clockwise The outer wall circumference of seat.

Compared with prior art, the utility model has the beneficial effects that the high-precision hardened face gear speed reducer, works as production When equipment Self generating oscillations, vibration can be transmitted on output shaft in the form of energy, and output shaft is made to generate faint displacement, root According to the direction of vibration of output shaft, promotes rectangle seat along lineal extrusion spring by the cooperation of arc strip and slideway, cut by spring Weak production equipment bring mechanical oscillation are safeguarded so that the device be made to reduce the gear of output end and the rate of depreciation of bearing Transmission accuracy, is more suitable for being widely popularized.

Detailed description of the invention

Fig. 1 is the utility model overhead sectional view；

Fig. 2 is the antivibration mechanism overhead sectional view of the utility model；

Fig. 3 is the guide rod cut away left side view of the utility model.

In figure: 1, shell, 2, first bearing, 3, input shaft, the 4, first helical gear, 5, support plate, 6, second bearing, 7, One shaft, the 8, second helical gear, 9, antivibration mechanism, 901, back-shaped plate, 902, guide rod, 903, slideway, 904, spring, 905, set Cylinder, 906, arc strip, 907, bearing block, 908, fourth bearing, the 10, first angular wheel, 11,3rd bearing, 12, second turns Axis, the 13, second angular wheel, the 14, first spur gear, 15, output shaft, the 16, second spur gear.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of high-precision hardened face gear speed reducer, packet Shell 1 is included, the right center position interference fit of shell 1 is connected with the outer ring of first bearing 2, the inner ring interference of first bearing 2 Being connected with can be around the input shaft 3 of own axis；

The outer wall left screw of input shaft 3 is connected with the first helical gear 4, and right end is welded with support on rear side of the inner cavity of shell 1 Plate 5, the inner cavity right side rear end of shell 1 and the right side front of support plate 5 are interference fitted the outer ring for being connected with second bearing 6, the The inner ring interference fit of two bearings 6 is connected with and can extend around the first rotating shaft 7 of own axis, the left side of first rotating shaft 7 The left side outer wall of support plate 5 is connect with 10 screw of the first angular wheel, passes through the first angular wheel 10 and the second angular wheel 13 Cooperation change transmission direction, the outer wall right screw of first rotating shaft 7, which is connected with, engage the second oblique of connection with the first helical gear 4 The inner cavity front and rear sides center of gear 8, shell 1 is interference fitted the outer ring for being connected with 3rd bearing 11,3rd bearing 11 Inner ring interference fit be connected with can be around the second shaft 12 of own axis, screw connection on rear side of the outer wall of the second shaft 12 There is the second angular wheel 13 that connection is engaged with the first angular wheel 10, the outer wall center screw of the second shaft 12 is connected with The transmission ratio of first spur gear 14, the first spur gear 14 and the second spur gear 16 is 1:4, is reduced and is exported by the first spur gear 14 The revolving speed of axis 15 improves the output torque of output shaft 15, convenient for driving heavy load equipment operation, the front and rear sides left end of shell 1 Equal screw is connected with antivibration mechanism 9, and the inner cavity interference fit of antivibration mechanism 9 is connected with output shaft 15, and the front side of output shaft 15 is prolonged The front side surface of shell 1 is stretched out, screw, which is connected with, on rear side of the outer wall of output shaft 15 engages the second of connection with the first spur gear 14 Spur gear 16；

Antivibration mechanism 9 includes back-shaped plate 901, and the end face of two back-shaped plates 901 is left with the inner cavity front and rear sides of shell 1 respectively Screw connection is held, the equal screw of inner cavity surrounding of back-shaped plate 901 is connected with guide rod 902, and the outer wall of guide rod 902 circumferentially offers Slideway 903, the quantity of slideway 903 is six, and six slideways 903 are by the outer wall for being provided with guide rod 902 every 60 degree clockwise Circumference improves the stability that sleeve 905 slides on guide rod 902 by the cooperation of slideway 903 and arc strip 906, guide rod 902 Inside is connected with one end of spring 904,904 torsional springs of spring, coefficient of elasticity 15N/CM, spring 904 be stretched or Elastic deformation is generated after extruding, is restored after removing external force to original state, the quantity of spring 904 is four, and four springs 904 By the outer wall circumference for being distributed in bearing block 907 every 90 degree clockwise, spring 904 can be carried out rectangle seat 907 from four direction Buffering improves the buffering effect to rectangle seat 907, and the outer wall of guide rod 902 is socketed with sleeve 905, and the inner cavity of sleeve 905 is circumferentially It is welded with the arc strip 906 plugged with slideway 903, the inside screw of sleeve 905 is connected with bearing block 907, bearing block 907 Outer wall and the other end of spring 904 be clamped, the inner cavity of bearing block 907 interference fit is connected with the outer ring of fourth bearing 908, the The inner ring of four bearings 908 and the outer wall of output shaft 15 are interference fitted and connect, and are consolidated by fourth bearing 908 to output shaft 15 It is fixed.

In use, motor screw is locked at the right side of shell 1, lock the output end of motor and input shaft by shaft coupling, Fixed gear engage connection with the gear in equipment on output shaft 15, and the output end of motor passes through the first helical gear 4 drive the The rotation of two helical gears 8, the first angular wheel 10 follow the second helical gear 8 to rotate, promote under the action of the first angular wheel 10 Second angular wheel 13 drives the rotation of the first spur gear 14, since the transmission ratio of the first spur gear 14 and the second spur gear 16 is 1: 4, revolving speed is reduced by the second spur gear 16, increases the output torque of output shaft 15, so that output shaft 15 be made to drive production equipment Operating, when production equipment Self generating oscillations, vibration can be transmitted on output shaft 15 by gear drive, promote output shaft 15 Faint deflection occurs, according to the direction of vibration of output shaft 15, output shaft 15 squeezes spring 904 by bearing block 907, promotes arc Shape item 906 is slided along the linear interior of slideway 903, weakens the vibration of production equipment bring, when operation stops, in spring Output shaft 15 can be made to return to initial position under 904 own resilient effect, to reduce mechanical wear by antivibration mechanism 9, mentioned High transmission accuracy, it is practical, greatly meet the demand of speed reducer drive.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", The orientation or position of the instructions such as " middle part ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as indicating Or imply relative importance or implicitly indicate the quantity of indicated technical characteristic, define as a result, " first ", " second ", The feature of " third ", " the 4th " can explicitly or implicitly include at least one of the features.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high-precision hardened face gear speed reducer, including shell (1), it is characterised in that: the right center of the shell (1) Position is interference fitted the outer ring for being connected with first bearing (2), and the inner ring interference fit of the first bearing (2) is connected with can be around certainly The input shaft (3) of body axis rotation；

The outer wall left screw of the input shaft (3) is connected with the first helical gear (4), right end on rear side of the inner cavity of the shell (1) It is welded with support plate (5), rear end is interference fitted with the right side front of support plate (5) on the right side of the inner cavity of the shell (1) connect There is the outer ring of second bearing (6), the inner ring interference fit of the second bearing (6) is connected with can be around the first of own axis Shaft (7) extends the left side outer wall and the first angular wheel (10) screw of support plate (5) on the left of the first rotating shaft (7) Connection, the outer wall right screw of the first rotating shaft (7) are connected with the second helical gear that connection is engaged with the first helical gear (4) (8), the inner cavity front and rear sides center of the shell (1) is interference fitted the outer ring for being connected with 3rd bearing (11), described The inner ring interference fit of 3rd bearing (11) is connected with can be around the second shaft (12) of own axis, second shaft (12) screw is connected with the second angular wheel (13) for engage and connecting with the first angular wheel (10) on rear side of outer wall, and described second The outer wall center screw of shaft (12) is connected with the first spur gear (14), the equal spiral shell in front and rear sides left end of the shell (1) Nail is connected with antivibration mechanism (9), and the inner cavity interference fit of the antivibration mechanism (9) is connected with output shaft (15), the output shaft (15) extend the front side surface of shell (1) on front side of, screw is connected with first directly on rear side of the outer wall of the output shaft (15) The second spur gear (16) of gear (14) engagement connection；

The antivibration mechanism (9) includes back-shaped plate (901), and the equal screw of inner cavity surrounding of the back-shaped plate (901) is connected with guide rod (902), the outer wall of the guide rod (902) circumferentially offers slideway (903), is connected with bullet on the inside of the guide rod (902) The outer wall of one end of spring (904), the guide rod (902) is socketed with sleeve (905), and the inner cavity of the sleeve (905) is circumferentially equal It is welded with the arc strip (906) plugged with slideway (903), the inside screw of the sleeve (905) is connected with bearing block (907), the outer wall of the bearing block (907) and the other end of spring (904) are clamped, the inner cavity interference of the bearing block (907) It is connected with the outer ring of fourth bearing (908).

2. a kind of high-precision hardened face gear speed reducer according to claim 1, it is characterised in that:

The end face of two back-shaped plates (901) is connect with the inner cavity front and rear sides left end screw of shell (1) respectively, and the described 4th The inner ring of bearing (908) and the outer wall of output shaft (15) are interference fitted and connect.

3. a kind of high-precision hardened face gear speed reducer according to claim 1, it is characterised in that: first spur gear It (14) is 1:4 with the transmission ratio of the second spur gear (16).

4. a kind of high-precision hardened face gear speed reducer according to claim 1, it is characterised in that: the slideway (903) Quantity be six, and six slideways (903) are by the outer wall circumference for being provided with guide rod (902) every 60 degree clockwise.

5. a kind of high-precision hardened face gear speed reducer according to claim 1, it is characterised in that: the spring (904) Quantity be four, and four springs (904) are by the outer wall circumference for being distributed in bearing block (907) every 90 degree clockwise.