Special rotating speed reducer suitable for injection molding machine platform

Abstract

The utility model discloses a special speed reducer suitable for use and rotation of an injection molding machine platform, which comprises a box body, an input shaft and an output shaft, the input shaft is perpendicular to the output shaft, the shaft end of the input shaft is provided with an input bevel gear, the output shaft is connected with an output bevel gear, and the output bevel gear is connected with the box body. The input bevel gear and the output bevel gear are meshed through a conical hyperboloid gear, one end of the input shaft forms an input end on the box body, and one end of the output shaft penetrates through the box body to form an output end. The right-angle structure of the input shaft and the output shaft is adopted, a more flexible installation and use space is formed, the transmission of the input shaft and the output shaft is in a conical hyperboloid gear meshing mode, large-torque transmission output can be ensured while the structure is effectively simplified, and the transmission efficiency is improved. Therefore, the size is effectively controlled under the condition that the large-torque use requirement is met, and use and installation are more flexible.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of speed reducer, and relates to a special speed reducer suitable for rotating on the platform of injection molding machine. BACKGROUND

[0002] The power of some conventional large-torque use demand equipment is directly driven by large-power large hydraulic motor and the like equipment, and the equipment has the defects of large size, large energy consumption and large noise, therefore, some manufacturers select to drive by small-power direct-drive motor in cooperation with speed reducer, however, the torque transmission structure in the conventional speed reducer needs to be set with multiple transmission to ensure the torque when coping with the demand of large-torque output, so that the structure in the speed reducer is still relatively complex, the size is difficult to control, and the installation space is limited in the form of circumference, and most use demands cannot be met. SUMMARY

[0003] The utility model discloses to overcome the deficiency of prior art, provide a kind of special speed reducer suitable for rotating on the platform of injection molding machine.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of special speed reducer suitable for rotating on the platform of injection molding machine, including box, input shaft, output shaft, the input shaft is perpendicular with the output shaft, the shaft end of the input shaft is provided with input bevel gear, output bevel gear is connected on the output shaft, the input bevel gear is engaged with the output bevel gear using conical hyperboloid gear, one end of the input shaft forms input end on the box, one end of the output shaft is formed output end by being arranged in the box outside.

[0006] Further, the outer periphery of the output shaft is provided with a plurality of tapered roller bearings and deep groove ball bearings.

[0007] Further, a spacer ring is provided between the two adjacent tapered roller bearings.

[0008] Further, the outer periphery of the output shaft is further provided with a round nut, and a stop washer is provided between the round nut and one of the tapered roller bearings.

[0009] Further, the output end is provided with a connecting flange.

[0010] To sum up, the utility model has the advantages that:

[0011] The utility model discloses a right angle structure of input shaft and output shaft, forms more flexible installation use space, can adapt to most use scene, and the transmission of input shaft and output shaft adopts the form of conical double curved surface gear meshing, can ensure the transmission output of big torque while effectively simplifying the structure, thereby effectively controlling the volume under the condition of satisfying the use demand of big torque, and the use installation is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural diagram of speed reducer of the utility model.

[0013] Figure 2 It is Figure 1 It is the cross section structure schematic diagram under another direction.

[0014] In the drawing, 11 is box body, 111 is connecting flange, 12 is input end cover, 13 is oil seal, 14 is oil plug, 2 is output shaft, 21 is output bevel gear, 22 is conical roller bearing, 23 is fixed distance ring, 24 is deep groove ball bearing, 3 is input shaft, 31 is input bevel gear. DETAILED DESCRIPTION

[0015] The following will be described by specific examples, and the person skilled in the art can easily understand other advantages and effects of the utility model from the disclosure of the specification. The utility model can also be implemented or applied by different specific embodiments, and various modifications or changes can be made based on different views and applications without departing from the spirit of the utility model. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0016] It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and only the components related to the utility model are shown in the drawings, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component can be changed arbitrarily when actually implemented, and the component layout pattern can be more complex.

[0017] All directional indications (such as up, down, left, right, front, back, horizontal, vertical...) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, and if the specific posture changes, the directional indication also changes accordingly.

[0018] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the utility model may actually be an approximate parallel relationship, and the perpendicular relationship may actually be an approximate perpendicular relationship.

[0019] The embodiment provides a special speed reducer suitable for rotation of an injection molding machine platform, which comprises a speed reducer box body 11, an input shaft 3, an output shaft 2 and a torque transmission structure.

[0020] With reference to Figure 1 And Figure 2 The speed reducer box body 11 is respectively provided with an input end opening and an output end opening, the output shaft 2 is arranged in the box body 11, one side shaft end of the output shaft 2 is arranged along the output end opening and forms an output end, a tapered roller bearing 22 is arranged on the outer periphery of the output shaft 2, the outer periphery of the tapered roller bearing 22 is arranged in cooperation with the inner wall of the box body 11, thereby forming positioning support for the output shaft 2, preferably, two tapered roller bearings 22 with a set distance are arranged to improve the stability effect and effectively strengthen the axial force of the output shaft 2, the torque generated during load output and a certain amount of axial impact load, the other side shaft end of the output shaft 2 is further provided with a deep groove ball bearing 24, the outer periphery of the deep groove ball bearing 24 is arranged in cooperation with the inner wall of the box body 11, thereby fixing the output shaft 2, strengthening the radial force, reducing the radial runout during work, reducing the noise and prolonging the service life.

[0021] A distance ring 23 is further arranged between the two adjacent tapered roller bearings 22, the distance ring 23 is arranged on the outer periphery of the output shaft 2, the axial two ends of the distance ring 23 are respectively in abutment with the two tapered roller bearings 22, thereby maintaining the distance and stability.

[0022] One side of one of the tapered roller bearings 22 is further provided with a stop washer and a round nut arranged on the output shaft 2, so as to axially position the tapered roller bearing 22 on the output shaft 2, thereby avoiding the movement of the tapered roller bearing 22, and also positioning the other tapered roller bearing 22.

[0023] The box body 11 is provided with a connecting flange 111 at the output end position, which is used for stably connecting the box body 11 with various external devices through bolts, so as to stably output the torque of the output shaft 2.

[0024] An input end cover 12 is connected and arranged at the input end opening, the input shaft 3 is arranged in the input end cover 12, one side shaft end of the input shaft 3 forms an input end for external torque input, and the other side shaft end is connected with the output shaft 2 through the torque transmission structure.

[0025] The input shaft 3 and the input end cover 12 are connected and arranged through a tapered roller bearing, and a small round nut is arranged on one side of the tapered roller bearing to form axial positioning.

[0026] The torque transmission structure comprises an input bevel gear 31 arranged on the other side shaft end of the input shaft 3 and an output bevel gear 21 arranged on the outer periphery of the output shaft 2, the input bevel gear 31 is engaged with the output bevel gear 21, so as to realize torque transmission.

[0027] The input bevel gear 31 and the output bevel gear 21 adopt a conical double-curved surface gear meshing form, the axis of the input bevel gear 31 is perpendicular to the axis of the output bevel gear 21 and is offset by a set interval, thereby effectively improving the torque bearing capacity and reducing the meshing noise.

[0028] The input bevel gear 31 and the output bevel gear 21 form a right-angle meshing structure, effectively reducing the overall volume of the speed reducer, ensuring the torque output strength while miniaturizing the equipment.

[0029] The input end and the output end are respectively provided with oil seals 13, the inside of the box body 11 is kept sealed, and the box body 11 is provided with oil plugs 14 on the two sides of the input end and the output end respectively.

[0030] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A dedicated speed reducer suitable for use with rotating platforms of injection molding machines, characterized in that, The application relates to a gearbox, which comprises a box (11), an input shaft (3) and an output shaft (2), the input shaft (3) is perpendicular to the output shaft (2), the shaft end of the input shaft (3) is provided with an input bevel gear (31), an output bevel gear (21) is connected to the output shaft (2), the input bevel gear (31) and the output bevel gear (21) are in meshing engagement through a conical double-curved surface gear, one end of the input shaft (3) forms an input end on the box (11), and one end of the output shaft (2) penetrates through the box (11) to form an output end.

2. A dedicated speed reducer suitable for the rotation of the platform of an injection molding machine according to claim 1, characterized in that, A plurality of conical roller bearings (22) and deep groove ball bearings (24) are arranged on the outer periphery of the output shaft (2).

3. A dedicated speed reducer suitable for the rotation of the platform of an injection molding machine according to claim 2, characterized in that, Distance rings (23) are arranged between two adjacent conical roller bearings (22).

4. A dedicated speed reducer suitable for the rotation of the platform of an injection molding machine according to claim 3, characterized in that, A round nut is further arranged on the outer periphery of the output shaft (2), and a stop washer is arranged between the round nut and one of the conical roller bearings (22).

5. A dedicated speed reducer suitable for use with rotating platforms of injection molding machines according to claim 1, characterized in that, The output end is provided with a connecting flange (111).

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