CN217749695U

CN217749695U - Large-modulus hobbing machine workbench

Info

Publication number: CN217749695U
Application number: CN202221944557.7U
Authority: CN
Inventors: 刁礼权; 吴斌飞
Original assignee: Ningbo Dekay Cnc Machine Tool Co ltd
Current assignee: Ningbo Dekay Cnc Machine Tool Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-08
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a large modulus hobbing machine workbench, which comprises a fixed base, wherein the fixed base comprises an upper shell and a lower base, the upper shell and the lower base are fixed and are internally provided with an installation cavity, a rotating mechanism is arranged in the installation cavity, the rotating mechanism comprises a rotating component and a stator, the upper shell is provided with a mounting groove, the stator is fixedly embedded in the mounting groove, the stator is sleeved outside the rotating component, the rotating component comprises a rotor and a rotating shaft, the rotor is fixed with the rotating shaft through a connecting piece and is aligned with the stator, the upper end of the rotating shaft extends out of the upper shell and is coaxially provided with a rotating disc, and the rotating shaft is provided with a telescopic cavity for arranging a pull rod along the axis; the rotating shaft is driven by the rotor to rotate, the rotating disc which is coaxially fixed with the rotating shaft is driven to rotate, the rotating stability and the machining precision of the rotating disc are improved, a telescopic cavity is formed in the rotating shaft, a follow-up pull rod is convenient to match with a pull claw, and the workpiece is convenient to compress and fix.

Description

Large-modulus hobbing machine workbench

Technical Field

The utility model relates to a gear hobbing machine field, concretely relates to big modulus gear hobbing machine workstation.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth and helical gears, worm gears and chain wheels, etc. on the hobbing machine, and the hobbing cutter can machine straight teeth, helical teeth, herringbone gears and worm gears according to the generating method.

The hobbing machine generally comprises a rack, hobbing equipment, a rotating workbench and the like, wherein the hobbing equipment and the rotating workbench are arranged on the rack, a workpiece to be cut is arranged on the rotating workbench, and the hobbing equipment drives a hobbing to rotate and approach the workpiece to be cut so as to realize gear machining. For example, a hobbing machine hob angle adjusting mechanism with application number 202120500524.2, which drives a tool body to rotate through a motor, then approaches a workpiece to be cut, and drives the workpiece to rotate through a driving motor, so as to complete the matching with the tool body. The existing hobbing machine has the condition that the workpiece is installed and rotated unstably in the workpiece installation process, and therefore the large-modulus hobbing machine workbench is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: the large-modulus hobbing machine workbench is simple in structure, convenient to install workpieces and stable in rotation.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a large module gear hobbing machine workstation, includes the fixing base, the fixing base include casing and lower base, last casing and lower base fixed mutually and inside installation cavity that is formed with, the installation cavity in be provided with slewing mechanism, slewing mechanism include rotating assembly and stator, last casing be provided with the mounting groove, the stator fixed inlay establish in the mounting groove, the stator cover is established in rotating assembly's the outside, rotating assembly includes rotor and axis of rotation, the rotor pass through the connecting piece and fix with the axis of rotation mutually, just rotor and stator align mutually, stretch out the upper end of axis of rotation go up casing and coaxial being provided with the rolling disc, the axis of rotation run through along its axis and be provided with the flexible chamber that is used for setting up the pull rod.

Furthermore, the upper end surface of the upper shell is provided with an annular convex ring, and the lower end part of the rotating disc is provided with a rotating groove corresponding to the clamping ring; the rotating disc has the advantages that the rotating stability of the rotating disc can be effectively improved through the matching of the convex ring and the rotating groove, namely, the rotating disc is prevented from shaking through the limiting matching of the convex ring and the rotating groove, so that the stability of a workpiece arranged on the rotating disc during rotation is improved.

Furthermore, the upper end part of the upper shell is provided with an annular boss positioned in the mounting cavity, the boss is fixed with a limiting ring, the limiting ring and the rotating shaft are coaxially arranged, and the limiting ring is close to the rotating shaft; the advantage is in can restricting the radial movement of axis of rotation through the cooperation of the annular boss that sets up and spacing ring, and the vertical degree of guarantee axis of rotation reduces and rocks.

Furthermore, an annular prismoid is coaxially arranged at the upper end of the rotating shaft, a protective wall extending downwards is arranged on the lower end face of the prismoid, a protective groove is formed between the protective wall and the rotating shaft, an annular fixed table is arranged on the inner wall of the installation cavity, a cylindrical protective sleeve is arranged on the fixed table, the protective sleeve is in sealing fit with the fixed table, the protective sleeve is sleeved on the outer side of the rotating shaft, and the upper end of the protective sleeve is inserted into the protective groove; the advantage lies in can avoid the axis of rotation to rotate the cavity that the chamber that rotor and stator were located is entered into to the fines that the in-process wearing and tearing or the lubricating oil that injects etc. through the cooperation of protective sleeve and protective tank, causes the damage to stator and rotor.

Furthermore, the upper shell is provided with an oil filling hole, the oil filling hole is communicated with the mounting cavity, and the oil filling hole is detachably provided with a sealing plug; the lubricating device has the advantages that the lubricating property of the rotating shaft can be improved through the arranged oil injection hole, the abrasion is reduced, and the service life is prolonged.

Furthermore, the diameter of the lower end part of the rotating shaft is gradually reduced to be step-shaped, and the lower base is provided with a limiting table matched with the lower end part of the rotating shaft; the advantage lies in can further improve the rotational stability of axis of rotation through the cooperation of the axis of rotation of the step form that sets up and spacing platform, still can restrict the axial displacement of axis of rotation simultaneously, improves the machining precision of gear hobbing machine.

Furthermore, the lower base is provided with a rotating bearing which is sleeved at the lower end of the rotating shaft and is in rotating fit with the rotating shaft; the advantage lies in that the rolling bearing through setting up can carry out radial spacing to the axis of rotation, ensures the rotation efficiency of axis of rotation simultaneously, reduces the friction and improves life.

Furthermore, a plurality of assembling grooves distributed radially are formed in the upper end surface of the rotating disc along the radial direction of the rotating disc; the fixture has the advantages that the fixture reliability of the workpiece can be improved when the workpiece to be machined is mounted on the rotating disc for machining through the plurality of assembling grooves.

Furthermore, a hollow mounting sleeve is arranged along the axis of the rotating disc, the mounting sleeve is fixed with the rotating disc, the upper end of the pull rod penetrates out of the mounting sleeve, the lower end of the pull rod penetrates out of the lower base, a limiting groove is formed in the upper end of the pull rod along the length direction of the pull rod, and a limiting part with the end part extending into the limiting groove is fixed on the mounting sleeve; the advantage lies in can avoiding the direct contact of rolling disc and pull rod through the installation cover that sets up, and the maintenance of the later stage when wearing and tearing of being convenient for is changed, can ensure the mobility stability of pull rod through the cooperation of spacing groove and locating part simultaneously, prevents its rotation, improves the accuracy that follow-up work piece compressed tightly.

Compared with the prior art, the utility model discloses following beneficial effect has: the upper shell, the lower base and the rotating shaft are matched to form a sealed cavity, so that the sealing performance of the workbench is further reduced in abrasion, and the service life is prolonged. Thereby drive the axis of rotation through the rotor and rotate the drive and rotatory with the coaxial fixed rolling disc of axis of rotation to improve the rotational stability of rolling disc, and then improve the machining precision of gear hobbing machine. Meanwhile, a telescopic cavity is arranged in the rotating shaft, so that the follow-up matching of the pull rod and the pull claw is facilitated, and the workpiece is more conveniently pressed and fixed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the installation and use of the present invention;

FIG. 2 is a schematic view of the assembly of the fixing base and the rotating disc of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic top view of the structure of FIG. 3;

fig. 5 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The following description is provided to disclose the invention and to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other aspects without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or position relative to one another as illustrated in the figures, which is intended merely to simplify the description of the present invention and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms are not to be considered as limiting.

The large-modulus hobbing machine workbench shown in the attached figures 1-5 comprises a fixed seat 2, wherein the fixed seat 2 is arranged on a rack 1, and a shell 8 is covered on the outer side of the fixed seat 2. The fixing base 2 comprises an upper shell 2.1 and a lower base 2.2, the upper shell 2.1 and the lower base 2.2 are fixed through bolts, a mounting cavity 2.4 is formed inside the upper shell 2.1 and the lower base 2.2, a rotating mechanism is arranged in the mounting cavity 2.4 and comprises a rotating assembly and a stator 5, the upper shell 2.1 is provided with a mounting groove, the stator 5 is fixedly embedded in the mounting groove, the stator 5 is sleeved on the outer side of the rotating assembly, the rotating assembly comprises a rotor 4 and a rotating shaft 3, the rotor 4 is fixed with the rotating shaft 3 through a connecting piece 4.1, and the rotor 4 is aligned with the stator 5.

The upper end of above-mentioned axis of rotation 3 stretches out go up casing 2.1 and coaxial being provided with rolling disc 6, be provided with hollow installation cover 6.3 along the axis of rolling disc 6, installation cover 6.3 can be dismantled fixedly with rolling disc 6, and above-mentioned axis of rotation 3 runs through along its axis and is provided with the flexible chamber 3.4 that is used for setting up pull rod 7, and installation cover 6.3 is worn out to the upper end of pull rod 7, and base 2.2 under the lower extreme of pull rod 7 is worn out. Simultaneously the upper end of pull rod 7 is provided with along its length direction's spacing groove 7.1, and installation cover 6.3 is fixed with the tip and stretches into locating part 6.4 to the spacing groove 7.1 in, can avoid rolling disc 6 and pull rod 7's direct contact through the installation cover 6.3 that sets up, maintenance when the later stage wearing and tearing of being convenient for is changed, and the while can ensure pull rod 7's mobility stability through spacing groove 7.1 and locating part 6.4's cooperation, prevents its rotation, improves the accuracy that follow-up work piece compressed tightly.

In order to ensure the reliability of the workpiece mounted on the rotating disc 6, a plurality of assembling grooves 6.1 which are distributed radially are formed on the upper end surface of the rotating disc 6 along the radial direction. The upper end part of the pull rod 7 is provided with a pull claw, a workpiece is sleeved on the outer side of the pull claw and is arranged on the upper end surface of the rotating disc 6, the pull rod 7 is moved downwards, so that the pull claw is opened to compress the workpiece, the part is driven by the pull rod 7 to open the pull claw, the description is omitted in the prior art, and therefore the stability of the workpiece during machining is further improved by matching with the assembly groove 6.1.

In order to ensure the stability of the rotation of the rotating disc 6, an annular convex ring 2.11 is arranged on the upper end surface of the upper shell 2.1, and a rotating groove 6.2 corresponding to the clamping ring is formed in the lower end part of the rotating disc 6; during the rotation of the rotating disk 6, the convex ring 2.11 extends into the rotating groove 6.2 to limit the radial shaking of the rotating disk 6. Simultaneously be provided with the annular boss 2.12 that is located installation cavity 2.4 at the inboard upper end of last casing 2.1, annular boss 2.12 is fixed with spacing ring 2.13, and spacing ring 2.13 sets up with axis of rotation 3 is coaxial, and axis of rotation 3 is pressed close to spacing ring 2.13, can restrict the radial movement of axis of rotation 3 through the cooperation of the annular boss 2.12 that set up and spacing ring 2.13, and the vertical degree of guarantee axis of rotation 3 further reduces and rocks. Meanwhile, the diameter of the lower end part of the rotating shaft 3 is gradually reduced to be step-shaped, the lower base 2.2 is provided with a limiting table 2.21 matched with the lower end part of the rotating shaft 3, the rotating stability of the rotating shaft 3 can be further improved through the matching of the rotating shaft 3 and the limiting table 2.21 which are arranged in the step-shaped mode, meanwhile, the axial movement of the rotating shaft 3 can be limited, and the machining precision of the gear hobbing machine is improved.

It is worth mentioning that for the guarantee axis of rotation 3 rotates the silky reducing wear with fixing base 2 to improve life, be provided with oil filler point 2.15 at last casing 2.1, oil filler point 2.15 is linked together with installation cavity 2.4, and oil filler point 2.15 can be dismantled and be provided with sealed end cap 9.

In order to reduce the influence of lubricant or fine scraps generated by abrasion on the stator 5 and the rotor 4, an annular prismoid 3.1 is coaxially arranged at the upper end part of the rotating shaft 3, a protective wall 3.2 extending downwards is arranged on the lower end face of the prismoid 3.1, a protective groove 3.3 is formed between the protective wall 3.2 and the rotating shaft 3, an annular fixed table is arranged on the inner wall of the installation cavity 2.4, a cylindrical protective sleeve 2.14 is arranged on the fixed table, the protective sleeve 2.14 is in sealing fit with the fixed table, and the protective sleeve 2.14 is sleeved on the outer side of the rotating shaft 3, and the upper end of the protective sleeve is inserted into the protective groove 3.3. Meanwhile, the gap between the protective sleeve 2.14 and the upper shell 2.1 can also be used for storing abraded impurities, so that the subsequent maintenance and cleaning are facilitated. And the lower base 2.2 is provided with a rotating bearing 2.5, the rotating bearing 2.5 is sleeved at the lower end of the rotating shaft 3 and is in rotating fit with the rotating shaft, so that the friction loss is further reduced, and the service life is prolonged.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the invention have been shown and described in the embodiments, and any variations or modifications of the embodiments of the invention are possible without departing from the principles.

Claims

1. The utility model provides a large module gear hobbing machine workstation, includes the fixing base, its characterized in that, the fixing base include casing and lower base, last casing and lower base fixed mutually and inside be formed with the installation cavity, the installation cavity in be provided with slewing mechanism, slewing mechanism include rotating assembly and stator, last casing be provided with the mounting groove, the stator fixed inlay establish in the mounting groove, the stator cover is established in rotating assembly's the outside, rotating assembly includes rotor and axis of rotation, the rotor pass through the connecting piece and fix with the axis of rotation, just rotor and stator align mutually, stretch out the upper end of axis of rotation go up casing and coaxial rolling disc that is provided with, the axis of rotation run through along its axis and be provided with the flexible chamber that is used for setting up the pull rod.

2. The workbench of a large-modulus hobbing machine according to claim 1, wherein an annular convex ring is arranged on the upper end surface of the upper shell, and a rotary groove corresponding to the convex ring is formed in the lower end part of the rotary disc.

3. The large-modulus hobbing machine workbench according to claim 1, wherein an annular boss located in the installation cavity is arranged at the upper end of the upper shell, a limiting ring is fixed on the boss, the limiting ring and the rotating shaft are coaxially arranged, and the limiting ring is close to the rotating shaft.

4. The large-modulus hobbing machine workbench according to claim 1, wherein an annular prismoid is coaxially arranged at the upper end of the rotating shaft, a protective wall extending downwards is arranged on the lower end face of the prismoid, a protective groove is formed between the protective wall and the rotating shaft, an annular fixed table is arranged on the inner wall of the installation cavity, a cylindrical protective sleeve is arranged on the fixed table, the protective sleeve is in sealing fit with the fixed table, the protective sleeve is sleeved on the outer side of the rotating shaft, and the upper end of the protective sleeve is inserted into the protective groove.

5. The large-modulus hobbing machine workbench according to claim 4, wherein the upper shell is provided with an oil hole, the oil hole is communicated with the mounting cavity, and the oil hole is detachably provided with a sealing plug.

6. The large-modulus hobbing machine workbench according to claim 1, wherein the diameter of the lower end part of the rotating shaft is gradually reduced to be step-shaped, and the lower base is provided with a limiting table matched with the lower end part of the rotating shaft.

7. The large-modulus hobbing machine workbench according to claim 6, wherein the lower base is provided with a rotating bearing, and the rotating bearing is sleeved at the lower end of the rotating shaft and is in rotating fit with the rotating shaft.

8. The large-modulus hobbing machine workbench according to claim 1, wherein the upper end surface of the rotating disc is provided with a plurality of radially distributed assembling grooves along the radial direction.

9. The workbench of a large-modulus hobbing machine as claimed in claim 1, wherein a hollow mounting sleeve is arranged along the axis of the rotating disc, the mounting sleeve is fixed with the rotating disc, the upper end of the pull rod penetrates out of the mounting sleeve, the lower end of the pull rod penetrates out of the lower base, a limiting groove is arranged at the upper end of the pull rod along the length direction of the pull rod, and a limiting part with an end part extending into the limiting groove is fixed on the mounting sleeve.