CN216966521U

CN216966521U - Gear hobbing machine for machining balance shaft

Info

Publication number: CN216966521U
Application number: CN202220452257.0U
Authority: CN
Inventors: 阚李近; 曹毅; 胡火明; 周康康; 徐刚强; 蒋文龙; 王广贺; 李孝禄; 葛金亮; 王勇; 倪明亮; 杨康; 汤荣; 叶李斌; 刘振涛
Original assignee: Zhejiang Boxing Industry And Trade Co ltd
Current assignee: Zhejiang Boxing Industry And Trade Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-15
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to the field of hobbing equipment, and discloses a hobbing machine for machining a balance shaft, which comprises a machine body, wherein a hobbing cutter, an upper clamp, a lower clamp, a filter layer and an oil injection assembly are arranged on the machine body; the oil injection assembly comprises an oil pump and a spray pipe, the oil pump is arranged on the machine body, the oil inlet end of the oil pump is communicated with the cooling cavity, and the oil outlet end of the oil pump is communicated with the spray pipe; the machine body is also provided with a cleaning piece for cleaning the filter layer and a collecting piece for collecting impurities. The utility model can automatically clean and collect impurities left on the filter layer, so that the device is more automatic, and the manual burden is reduced.

Description

Gear hobbing machine for machining balance shaft

Technical Field

The utility model relates to the technical field of hobbing equipment, in particular to a hobbing machine for machining a balance shaft.

Background

In order to reduce the vibration generated during the operation of the gasoline engine, a balance shaft assembly is usually installed on the gasoline engine, and the balance shaft assembly usually has a crankshaft as a main body, and a driving gear is provided at one end of the crankshaft. In the production process of the balance shaft assembly, the machining process of the driving gear is quite important. The machining process of the balance shaft assembly driving gear is generally divided into three processes of hobbing, gear shaving and cylindrical grinding, and in the hobbing process, a numerical control gear hobbing machine is generally adopted to machine a gear blank on the balance shaft assembly.

The gear hobbing machine of processing balanced axle assembly includes the organism usually, an anchor clamps and lower anchor clamps on being used for the balanced axle assembly of centre gripping, and be used for the hobbing cutter of hobbing cutter, anchor clamps and hobbing cutter homoenergetic rotate down, when anchor clamps and hobbing cutter rotate simultaneously, can process the gear blank on the balanced axle assembly, furthermore, in order to prevent that the sweeps that produces when hobbing cutter cuts the gear blank from splashing, produce higher temperature when hobbing cutter cuts the gear blank, can spray the cooling oil at the contact position of hobbing cutter and gear blank on the gear hobbing machine usually, be provided with the device of retrieving the cooling oil at the gear hobbing machine downside usually, but mixed with too many sweeps in the cooling oil, lead to the clean degree of the cooling oil of retrieving to reduce.

In the prior art, a chinese patent (No. CN 208929361U) discloses a gear hobbing machine, which belongs to the field of flywheel gear ring processing, and the main point of the technical scheme is that the gear hobbing machine comprises a machine body, wherein a base for installing a workpiece is arranged on the machine body, a base is arranged on the machine body, the base is fixedly connected to the base, a through hole penetrating through the base in the vertical direction is formed in the base, a filtering component is detachably connected in the through hole, the filtering component comprises a first filtering net, a second filtering net and a third filtering net, the first filtering net, the second filtering net and the third filtering net are sequentially distributed from low to high in the vertical direction, the aperture of a filtering hole of the first filtering net is larger than that of the second filtering net, and the aperture of a filtering hole of the second filtering net is larger than that of the third filtering net.

In the above patent, the cleaning degree of the cutting after recovery is also improved by providing the filter assembly to separate the cooling oil from the cutting chips. However, in this patent, the range of recovering the cooling oil is too small, which results in the possibility of the cooling oil being scattered, and in this patent, the impurities on the filter assembly need to be cleaned frequently to ensure the filter assembly to work normally, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a gear hobbing machine for machining a balance shaft, which solves the problem that the normal operation of a filter assembly can be ensured only by frequently cleaning impurities on the filter assembly in the prior art.

The utility model solves the technical problems through the following technical means:

a gear hobbing machine for machining a balance shaft comprises a machine body, wherein a hobbing cutter, an upper clamp, a lower clamp, a filter layer and an oil injection assembly are mounted on the machine body, a cooling cavity with an open upper side is formed in the machine body, the open end of the cooling cavity is located on the lower sides of the hobbing cutter and the lower clamp, the filter layer is mounted on one side, close to the open end, of the cooling cavity, a support column is fixed in the cooling cavity, the upper end of the support column penetrates through the filter layer, the lower clamp is rotatably mounted at the upper end of the support column, and a driving piece for driving the lower clamp to rotate is mounted on the machine body; the oil injection assembly comprises an oil pump and a spray pipe, the oil pump is mounted on the machine body, the oil inlet end of the oil pump is communicated with the cooling cavity, the oil outlet end of the oil pump is communicated with the spray pipe, and the oil outlet end of the spray pipe faces the hob; still install the cleaning member that is used for clean filter layer on the organism and be used for collecting the collection piece of impurity, the cleaning member is fixed on anchor clamps down and follows anchor clamps down and rotate, collect the piece setting in the cooling chamber, have on the filter layer with collect the impurity removing mouth of piece looks adaptation, just the position of impurity removing mouth and collection piece is not in same vertical direction with the hobbing cutter.

Further, the cleaning piece comprises an installation handle and a brushing part, one end of the installation handle is fixed on the lower clamp, the brushing part is installed on the lower side of the installation handle, and the lower side of the brushing part is abutted against the filter layer.

Furthermore, the number of the cleaning pieces is not less than one, and the connecting rings are fixed at one ends of the mounting handles of all the cleaning pieces, which are far away from the lower clamp.

Further, collect the piece including collecting the shell, collect one side integrated into one piece of shell on the support column, the solid integrated into one piece of opposite side of collecting the shell is on the inside wall of cooling chamber, just the upper end of collecting the shell is uncovered, the opening end and the miscellaneous mouthful intercommunication that removes of collecting the shell.

Further, the collecting part further comprises an impurity box, the shape of the impurity box is the same as the inner shape of the collecting shell, the impurity box is placed in the collecting shell, the upper side of the impurity box is open, the open end of the impurity box coincides with the open end of the collecting shell, an outlet is formed in the front side of the machine body, the outlet is communicated with the collecting shell, and the impurity box can move to the outside of the machine body through the outlet.

Further, a handle is installed on one side, facing the outside of the machine body, of the impurity box.

Further, the oil injection assembly further comprises a spray head, the spray head is fixed on the upper clamp, the spray head is communicated with the oil outlet end of the spray pipe, and the oil injection direction of the spray head faces the hobbing cutter.

According to the utility model, the filtering layer, the cleaning piece, the collecting piece and other structures are arranged on the gear hobbing machine, so that the recovery range of the cooling oil can be enlarged, and the problem of messy spraying of the cooling oil is reduced; simultaneously can clear up automatically and collect the impurity of keeping somewhere on the filter layer again for the device is more automatic, reduces artifical burden.

Drawings

FIG. 1 is a schematic structural view of a gear hobbing machine for balance shaft machining of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view from another perspective of the present invention;

FIG. 4 is an enlarged schematic view at A of FIG. 2 of the present invention;

FIG. 5 is a cross-sectional view of the present invention showing the collection member;

wherein, 1, the body; 11. a cooling chamber; 12. a support pillar; 13. an outlet; 2. hobbing cutters; 3. an upper clamp; 4. a lower clamp; 5. a filter layer; 51. removing impurities; 6. an oil injection assembly; 61. an oil pump; 62. a spray pipe; 63. a shower head; 7. a cleaning member; 71. a handle is installed; 72. a brush section; 73. a connecting ring; 8. a collecting member; 81. collecting shells; 82. an impurity box; 821. a handle; 9. a drive member; 91. a motor; 92. a driving gear; 93. an annular rack; 10. balance shaft assembly.

Detailed Description

The following description of the embodiments of the present invention is provided by way of specific examples, and those skilled in the art will appreciate the advantages and utilities of the present invention from the disclosure herein. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, are schematic drawings rather than actual drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience of description and simplicity of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings for the above applications according to specific situations.

As shown in fig. 1, the gear hobbing machine for machining the balance shaft of the utility model comprises a machine body 1, wherein a hobbing cutter 2, an upper clamp 3, a lower clamp 4, a filter layer 5 and an oil spraying component 6 are arranged on the machine body 1, and a balance shaft assembly 10 can be arranged between the upper clamp 3 and the lower clamp 4.

As shown in fig. 2 and 3, a cooling cavity 11 with an open upper side is arranged in the machine body 1, the cooling cavity 11 is a cylindrical cavity, the open end of the cooling cavity 11 is located at the lower side of the hob 2 and the lower clamp 4, the cooling cavity 11 is used for recovering and recooling the cooling oil, the filter layer 5 is of a circular structure, the filter layer 5 is arranged at one side of the cooling cavity 11 close to the open end and used for filtering cutting waste chips in the cooling oil, the range of the filter layer 5 is large and can increase the recovery range of the cooling oil, a support pillar 12 is vertically fixed in the middle of the cooling cavity 11, the upper end of the support pillar 12 penetrates through the filter layer 5 and extends to the upper side of the cooling cavity 11, the lower clamp 4 is rotatably arranged on the upper end of the support pillar 12, and a driving element 9 for driving the lower clamp 4 to rotate is arranged on the machine body 1; the oil injection assembly 6 comprises an oil pump 61, a spray pipe 62 and a spray head 63, the oil pump 61 is installed on the rear side of the machine body 1, the oil inlet end of the oil pump 61 is communicated with the cooling cavity 11, the oil outlet end of the oil pump 61 is communicated with the spray pipe 62, the spray head 63 is fixed on one end, close to the hob 2, of the upper fixture 3, the spray head 63 is communicated with the oil outlet end of the spray pipe 62, the oil injection direction of the spray head 63 faces towards the hob 2, and cooling oil sprayed out of the spray head 63 can prevent cutting scraps generated when a workpiece is machined from splashing and can also cool the hob 2.

As shown in fig. 1 and 5, the machine body 1 is further provided with a cleaning piece 7 and a collecting piece 8, the cleaning piece 7 is used for cleaning impurities such as cutting scraps left on the filter layer 5, and the collecting piece 8 is used for collecting the impurities cleaned out by the cleaning piece 7, so that the device can automatically clean the impurities on the filter layer 5 in the operation process, and the automation degree is high.

As shown in FIG. 1, the number of the cleaning elements 7 is three, the cleaning elements 7 comprise mounting handles 71 and bristle parts 72, one end of each mounting handle 71 is fixed on the lower fixture 4, so that the whole cleaning element 7 can rotate along with the lower fixture 4, the bristle parts 72 are mounted on the lower side of the mounting handle 71, the lower sides of the bristle parts 72 abut against the filter layer 5, and in the process that the cleaning elements 7 rotate along with the lower fixture 4, the bristle parts 72 can clean the upper surface of the whole filter layer 5 and clean the cutting scraps on the filter layer 5, so that the cooling oil recovery efficiency of the device is higher, one ends of the mounting handles 71 of all the cleaning elements 7, which are far away from the lower fixture 4, are jointly fixed with connecting rings 73, and the structures among all the cleaning elements 7 are tighter through the connecting rings 73.

As shown in fig. 4, in this embodiment, the driving member 9 includes a motor 91, a driving gear 92 and an annular rack 93, the machine body 1 has a mounting groove on the right side of the cooling cavity 11, the motor 91 is mounted in the mounting groove, the driving gear 92 is fixed on the output shaft of the motor 91, the annular rack 93 is integrally formed on the outer ring of the connecting ring 73, the annular rack 93 and the driving gear 92 are engaged with each other, and the lower fixture 4 is driven to rotate smoothly by the action of the driving member 9.

As shown in fig. 5, in this embodiment, the collecting member 8 includes a collecting case 81, the collecting case 81 is fixedly installed in the cooling chamber 11, one side of the collecting case 81 is integrally formed on the supporting pillar 12, the other side of the collecting case 81 is fixedly and integrally formed on the inner sidewall of the cooling chamber 11, the upper end of the collecting shell 81 is open, the space in the collecting shell 81 is separated from the inner space of the cooling cavity 11 independently, the filter layer 5 is provided with a impurity removing opening 51, the shape of the impurity removing opening 51 is the same as that of the open end of the collecting shell 81, and the open end of the collecting case 81 is communicated with the impurity removing port 51, when the cleaning member 7 rotates following the lower jig 4, the impurities on the filter layer 5 can be swept into the collecting case 81, also in this embodiment the impurity removal openings 51 and the collecting members 8 are not located in the same vertical direction as the hob 2, so that cooling oil does not enter directly into the collecting housing 81.

As shown in fig. 1 and 5, in order to clean the impurities in the collecting shell 81 after the shutdown, the collecting element 8 further includes an impurity box 82, the impurity box 82 has the same shape as the inner shape of the collecting shell 81, the impurity box 82 is placed in the collecting shell 81, the upper side of the impurity box 82 is also open, the open end of the impurity box 82 coincides with the open end of the collecting shell 81, the impurities cleaned by the cleaning element 7 can enter the impurity box 82 from the impurity removing opening 51, the front side of the machine body 1 is provided with an outlet 13, the outlet 13 is communicated with the collecting shell 81, the impurity box 82 can move out of the machine body 1 through the outlet 13, and when the impurities need to be cleaned after the shutdown, the impurity box 82 can be directly taken out for cleaning.

As shown in fig. 1, in order to facilitate pulling out the impurity box 82, a handle 821 is installed on one side of the impurity box 82 facing the outside of the machine body 1, and a worker can pull out the impurity box 82 through the handle 821, so that the operation is simple.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a gear hobbing machine for balanced axle processing, includes the organism, install hobbing cutter, last anchor clamps, lower anchor clamps, filter layer and oil spout subassembly, its characterized in that on the organism: a cooling cavity with an open upper side is formed in the machine body, the open end of the cooling cavity is positioned at the lower sides of the hob and the lower clamp, the filter layer is installed at one side, close to the open end, in the cooling cavity, a support column is fixed in the cooling cavity, the upper end of the support column penetrates through the filter layer, the lower clamp is rotatably installed at the upper end of the support column, and a driving piece for driving the lower clamp to rotate is installed on the machine body; the oil injection assembly comprises an oil pump and a spray pipe, the oil pump is mounted on the machine body, the oil inlet end of the oil pump is communicated with the cooling cavity, the oil outlet end of the oil pump is communicated with the spray pipe, and the oil outlet end of the spray pipe faces the hob; still install the cleaning member that is used for clean filter layer on the organism and be used for collecting the collection piece of impurity, the cleaning member is fixed on anchor clamps down and follows anchor clamps down and rotate, collect the piece setting in the cooling chamber, have on the filter layer with collect the impurity removing mouth of piece looks adaptation, just the position of impurity removing mouth and collection piece is not in same vertical direction with the hobbing cutter.

2. A gear hobbing machine for balanced shaft machining according to claim 1, characterized in that: the cleaning piece comprises an installation handle and a bristle part, one end of the installation handle is fixed on the lower clamp, the bristle part is installed on the lower side of the installation handle, and the lower side of the bristle part is abutted against the filter layer.

3. A gear hobbing machine for balanced shaft machining according to claim 2, characterized in that: the number of the cleaning pieces is not less than one, and a connecting ring is fixed on one end, far away from the lower clamp, of the mounting handle of each cleaning piece.

4. A gear hobbing machine for balanced shaft machining according to claim 3, characterized in that: the driving piece comprises a motor, a driving gear and an annular rack, the motor is installed in the machine body and located beside the cooling cavity, the driving gear is fixed on an output shaft of the motor, the annular rack is fixed on an outer ring of the connecting ring, and the annular rack and the driving gear are meshed with each other.

5. A gear hobbing machine for balanced shaft machining according to any of claims 1-4, characterized in that: collect the piece including collecting the shell, collect one side integrated into one piece of shell on the support column, the solid integrated into one piece of opposite side of collecting the shell is on the inside wall of cooling chamber, just the upper end of collecting the shell is uncovered, the opening end and the impurity removal mouth intercommunication of collecting the shell.

6. The gear hobbing machine for balanced shaft machining of claim 5, characterized in that: the collecting part further comprises an impurity box, the shape of the impurity box is the same as the inner shape of the collecting shell, the impurity box is placed in the collecting shell, the upper side of the impurity box is open, the open end of the impurity box coincides with the open end of the collecting shell, an outlet is formed in the front side of the machine body, the outlet is communicated with the collecting shell, and the impurity box can move to the outside of the machine body through the outlet.

7. The gear hobbing machine for balanced shaft machining of claim 6, characterized in that: and a handle is arranged on one side of the impurity box facing the outside of the machine body.

8. A gear hobbing machine for balanced shaft machining according to claim 1, characterized in that: the oil injection assembly further comprises a spray head, the spray head is fixed on the upper fixture and communicated with the oil outlet end of the spray pipe, and the oil injection direction of the spray head faces the hobbing cutter.