CN112247275A - Trimming push broach with semicircular tooth shape of inner gear ring and precision process trimming method - Google Patents
Trimming push broach with semicircular tooth shape of inner gear ring and precision process trimming method Download PDFInfo
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- CN112247275A CN112247275A CN202011116485.2A CN202011116485A CN112247275A CN 112247275 A CN112247275 A CN 112247275A CN 202011116485 A CN202011116485 A CN 202011116485A CN 112247275 A CN112247275 A CN 112247275A
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- push broach
- push
- tooth
- hole
- guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
A trimming push broach with a semicircular tooth shape of an inner gear ring and a precision process trimming method comprise a push broach body, wherein the push broach body is a cylindrical body larger than a semicircle, the semicircular surface is a front end surface, the plane is a push broach guide supporting surface, the lower part of the push broach body is in a front guide direction, the middle part of the push broach body is a push broach tooth part, and the upper end of the push broach tooth part is in a rear guide direction. The invention adopts the special push broach to trim the semicircular hole, and utilizes the original gear shaper to insert the high-precision semicircular hole of the needle gear shell hole so as to adapt to and improve the processing precision and efficiency of the conjoined needle gear shell.
Description
Technical Field
The invention relates to the technical field of production of needle gear cases, in particular to a trimming push broach with an inner gear ring in a semicircular shape and a precision process trimming method.
Background
The speed reducer needs to be used horizontally, namely the input and output rotation axes are coaxial horizontal lines, in order to ensure the transmission rigidity of the speed reducer, a needle gear shell and a chassis which are used as a whole machine shell are designed into a conjoined needle gear shell, the appearance of the original conventional needle gear shell is of a revolving body structure, but the needle gear shell is changed into the conjoined structure, a machine tool which is originally used for finely grinding needle gear shell pinholes of the revolving body needle gear shell is not suitable any more, and if a high-precision numerical control gear shaper which keeps the original single tooth pitch and accumulated tooth pitch is used, the precision of a semicircular hole of a gear shaper cutter used for generating gear shaping is very poor, a special push broach is needed to finish the precision process of trimming the semicircular hole.
Disclosure of Invention
The invention provides a special push broach and a technical method for trimming a semicircular hole by adopting the special push broach to solve the problems.
The technical scheme adopted by the invention is as follows:
a trimming push broach with a semicircular inner gear ring tooth shape comprises a push broach body, wherein the push broach body is a cylindrical body with a section in a shape of a major arc, the major arc is a front end face, a plane is a push broach guide supporting face, the lower portion of the push broach body is in a front guide direction, the middle portion of the push broach body is a push broach tooth portion, and the upper end of the push broach tooth portion is in a rear guide direction.
The front end surface of the push broach tooth part is provided with arc teeth and push broach empty grooves among the arc teeth.
And one end of the push broach body close to the rear guide is provided with a connecting hole.
A precise process trimming method for an inner gear ring with a semicircular tooth shape comprises the following process steps:
s1, carrying out aging treatment on the connected pin gear shell of the pin gear hole to be repaired, which is subjected to the inserting processing, on vibration aging equipment so as to ensure the stability of the final processing quality;
s2, mounting a tool which is convenient for the transposition of the conjoined needle gear shell and has a chassis with full steel balls and can be circularly arranged and rotated on an operation table;
s3, the end face of one side of the conjoined needle tooth shell is firmly leaned on the upper end face of the tool, and the conjoined needle tooth shell can not be clamped;
s4, arranging a push broach guide supporting block at one side of the push broach guide supporting surface, checking that the guide plane of the push broach guide supporting block is smooth and has no bump, connecting a supporting pin with the push broach guide supporting block, wherein the supporting pin is close to the conjoined needle gear shell, and the push broach guide supporting block and the supporting pin are used for bearing radial force and initial positioning in the circumferential direction in the push cutting process;
s5, checking that the push broach guide support plane, the front guide part and the rear guide part of the push broach and the arc-shaped tooth cutting edge part of the tooth part of the push broach are not collided and damaged, and particularly visually checking and removing residual built-up edges of the cutting edge part;
s6, manually pushing the front direction of the push broach into the pin tooth hole along the pin tooth hole to be pushed and the push broach guide supporting surface, wherein the position of the push broach body on the conjoined pin tooth shell is determined at the moment; the circumferential position of the conjoined pin gear shell is determined by utilizing the front guide of the push broach and the guide support surface of the push broach;
s7, a lever force application device is used, so that a lever pressure head is aligned to the upper end face of the push broach body suspended above the conjoined pin gear shell, and the push broach body automatically falls down after the lever is manually pulled downwards to the push-out position of the push-broach body;
s8 a separating sleeve ring with buffering and isolating conditions is arranged at the falling position of the push broach body to prevent collision when the push broach falls and collision between the push broach bodies when the multiple holes are pushed and cut;
s9, the conjoined pin gear shell is rotated to the next pin gear hole to be pushed, and the steps are repeated to process the next pin gear hole.
According to the difference of the number of the push holes, the difference of the thrust force and the difference of the contact area of the push cutting tools, a double-column oil press, a single-column hydraulic press or a simple special machine can be respectively adopted to carry out force application push cutting on the semicircular hole.
Lubricating oil is filled in the pushing part of the needle tooth hole of the conjoined needle tooth shell in the processes of the steps S6 and S7, so that the surface quality of the pushed needle tooth hole is ensured and the service life of the push broach body is prolonged.
The push broach body is provided with a push broach cleaning liquid groove, and the push broach body after the push hole is cleaned for standby.
When the push broach guide support blocks are configured to be guide support plates with the same number as the number of the needle tooth holes, the push broach can be completed at one time by using an oil press and configuring a circular push plate on the oil press head after pushing the whole number of the push broach bodies with the same number as the number of the needle tooth holes into the needle tooth holes by using the front guide parts.
The upper surface of the operating table top is flat.
The invention has the beneficial effects that: the invention adopts the special push broach to trim the semicircular hole, and utilizes the original gear shaper to insert the high-precision semicircular hole of the needle gear shell hole so as to adapt to and improve the processing precision and efficiency of the conjoined needle gear shell.
Drawings
Fig. 1 is a schematic view of the push broach structure of the present invention.
Fig. 2 is a top view of the push broach of the present invention.
FIG. 3 is a schematic view of the push broach of the present invention.
Wherein: 1-a push broach body; 2-rear guiding; 3-a push broach tooth part; 4-arc teeth; 5-front guiding; 6-connecting hole; 7-front end face; 8-a push broach guide support surface; 9-push broach empty slot; 10-conjoined needle tooth shell; 11-a push broach guide support block.
Detailed Description
A trimming push broach with a semicircular inner gear ring tooth shape comprises a push broach body 1, wherein the push broach body 1 is a cylindrical body with a section in a shape of a major arc, the major arc is a front end face 7, the plane is a push broach guide supporting face 8, the lower portion of the push broach body 1 is a front guide 5, the middle portion of the push broach body 1 is a push broach tooth portion 3, and the upper end of the push broach tooth portion 3 is a rear guide 2.
The front end surface 7 of the push broach tooth part 3 is provided with arc-shaped teeth 4 and push broach empty grooves 9 at intervals of the arc-shaped teeth 4.
One end of the push broach body 1 close to the rear guide 2 is provided with a connecting hole 6.
A precise process trimming method for an inner gear ring with a semicircular tooth shape comprises the following process steps:
s1, carrying out aging treatment on the connected pin gear shell 10 of the pin gear hole to be repaired, which is subjected to the inserting processing, on vibration aging equipment so as to ensure the stability of the final processing quality;
s2, mounting a tool which is convenient for the transposition of the conjoined needle gear shell and has a chassis with full steel balls and can be circularly arranged and rotated on an operation table;
s3, the end face of one side of the conjoined pin gear shell 10 is firmly leaned on the upper end face of the tool, and the conjoined pin gear shell 10 does not need to be clamped;
s4, arranging a push broach guide supporting block 11 at one side of the push broach guide supporting surface 8, checking that the guide plane of the push broach guide supporting block 11 is smooth and has no bump, connecting the push broach guide supporting block 11 with a supporting pin which is close to the conjoined needle gear shell 10, and using the push broach guide supporting block 11 and the supporting pin to bear the radial force and the initial positioning in the circumferential direction in the push cutting process;
s5, checking that the push broach guide support plane 8, the front guide 5, the rear guide 2 part and the cutting edge part of the arc-shaped teeth 4 of the push broach tooth part 3 of the push broach have no collision damage, and particularly visually checking and removing residual built-up edges of the cutting edge part;
s6, pushing the push broach front guide 5 into the needle tooth hole along the needle tooth hole to be pushed and the push broach guide support surface 8, wherein the push broach body 1 is determined to be at the position on the conjoined needle tooth shell 10; the circumferential position of the conjoined pin gear shell 10 is determined by utilizing the push broach front guide 5 and the push broach guide support surface 8;
s7, a lever force application device is used, so that a lever pressure head is aligned to the upper end face of the push broach body 1 suspended above the conjoined pin gear shell 10, the lever is manually pulled downwards to the push-out position of the push-broach body 1, and the push-broach body 1 automatically falls down;
s8 a separating sleeve ring with buffering and isolating conditions is arranged at the falling position of the push broach body 1 to prevent collision when the push broach falls and collision between the push broach bodies 1 during multi-hole push cutting;
s9, after the conjoined pin gear shell 10 is rotated to the next pin gear hole to be pushed, the steps are repeated to process the next pin gear hole.
According to the difference of the number of the push holes, the difference of the thrust force and the difference of the contact area of the push cutting tools, a double-column oil press, a single-column hydraulic press or a simple special machine can be respectively adopted to carry out force application push cutting on the semicircular hole.
Lubricating oil is filled in the pushing part of the needle tooth hole of the conjoined needle tooth shell 10 in the processes of the steps S6 and S7, so that the surface quality of the pushed needle tooth hole is ensured and the service life of the push broach body 1 is prolonged.
The push broach body 1 is provided with a push broach cleaning liquid groove, and the push broach body 1 after being pushed with a hole is cleaned for standby.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a ring gear profile of tooth is semicircular and repaiies push broach, its characterized in that includes push broach body (1), and push broach body (1) is the cylindricality body that the cross-section is excellent arc, and the surface of excellent arc is preceding terminal surface (7), and the plane is push broach direction supporting surface (8), and the lower part of push broach body (1) is preceding direction (5), and the middle part of push broach body (1) is push broach tooth portion (3), and the upper end of push broach tooth portion (3) is back direction (2).
2. The trimming push broach with semicircular inner gear ring tooth forms according to claim 1, characterized in that the front end surface (7) of the push broach tooth parts (3) is provided with arc-shaped teeth (4) and push broach empty grooves (9) at intervals of the arc-shaped teeth (4).
3. The trimming push broach with the semicircular tooth form of the inner gear ring according to claim 2, characterized in that one end of the push broach body (1) close to the rear guide (2) is provided with a connecting hole (6).
4. A precise process trimming method for an inner gear ring with a semicircular tooth shape is characterized by comprising the following process steps:
s1, carrying out aging treatment on the connected pin gear shell (10) of the pin gear hole to be repaired, which is subjected to the inserting processing, on vibration aging equipment so as to ensure the stability of the final processing quality;
s2, mounting a tool which is convenient for the transposition of the conjoined needle gear shell (10) and has a chassis with full steel balls and can be circularly arranged and rotated on an operation table;
s3, the end face of one side of the conjoined needle tooth shell (10) is leaned against the upper end face of the tool, and the conjoined needle tooth shell (10) can be free from being clamped;
s4, arranging a push broach guide supporting block (11) at one side of the push broach guide supporting surface (8), checking that the guide plane of the push broach guide supporting block (11) is smooth and has no bump, connecting the push broach guide supporting block (11) with a supporting pin, wherein the supporting pin is close to the conjoined needle gear shell (10), and the push broach guide supporting block (11) and the supporting pin are used for bearing the radial force and the initial positioning in the circumferential direction in the push cutting process;
s5, inspecting that the push broach guide support plane (8), the front guide part (5), the rear guide part (2) and the cutting edge part of the arc-shaped teeth (4) of the push broach tooth part (3) of the push broach are not collided and damaged, and particularly visually inspecting and removing residual built-up edges of the cutting edge part;
s6, manually pushing the push broach front guide (5) into the needle tooth hole along the needle tooth hole to be pushed and the push broach guide supporting surface (8), wherein the position of the push broach body (1) on the conjoined needle tooth shell (10) is determined at the moment; the circumferential position of the conjoined needle gear shell (10) is determined by utilizing the push broach front guide (5) and the push broach guide supporting surface (8) at the same time;
s7, a lever force application device is used, so that a lever pressure head is aligned with the upper end face of the push broach body (1) suspended above the conjoined latch shell (10), and the push broach body (1) automatically falls down after the lever is manually pulled downwards to the push-out position of the push broach body (1);
s8 a separating sleeve ring with buffering and isolating conditions is arranged at the falling position of the push broach body (1) to prevent collision when the push broach falls and collision between the push broach bodies (1) during multi-hole push cutting;
s9, the conjoined pin gear shell (10) is rotated to the next pin gear hole to be pushed, and the steps are repeated to process the next pin gear hole.
5. A precision process trimming method for an internally toothed ring of claim 4, wherein the semi-circular hole is pushed and cut under the action of a force by a double-column oil press, a single-column hydraulic press or a simple special machine according to the difference in the number of the push holes, the difference in the magnitude of the push force and the difference in the contact area of the push-cutting tools.
6. The precision process finishing method for the inner gear ring with semicircular tooth profile according to claim 5, characterized in that lubricating oil is filled in the needle tooth hole push-cutting part of the conjoined needle tooth shell (10) in the processes of S6 and S7, so as to ensure the surface quality of the needle tooth hole after push-cutting and prolong the service life of the push broach body (1).
7. The precision process finishing method for the inner gear ring with the semicircular tooth form according to claim 6, characterized in that the push broach body (1) is provided with a push broach cleaning liquid tank for cleaning the push broach body (1) after the hole is pushed for later use.
8. The precision process finishing method for the inner gear ring with semicircular tooth profile according to claim 4, characterized in that when the push broach guide support blocks (11) are configured as guide support discs with the same number of pin holes, the push broach body (1) with the same number of pin holes is partially pushed into the pin holes by the front guide (5), and then the circular push disc is configured on the oil press head by an oil press, so that the hole pushing operation can be completed at one time.
9. The precision process finishing method for the inner gear ring with the semicircular tooth shape as claimed in claim 4, characterized in that the upper surface of the operating table is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116485.2A CN112247275B (en) | 2020-10-19 | 2020-10-19 | A trimming pusher with semicircular tooth shape of inner gear ring and precision process trimming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116485.2A CN112247275B (en) | 2020-10-19 | 2020-10-19 | A trimming pusher with semicircular tooth shape of inner gear ring and precision process trimming method |
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| Publication Number | Publication Date |
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| CN112247275A true CN112247275A (en) | 2021-01-22 |
| CN112247275B CN112247275B (en) | 2025-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011116485.2A Active CN112247275B (en) | 2020-10-19 | 2020-10-19 | A trimming pusher with semicircular tooth shape of inner gear ring and precision process trimming method |
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Citations (11)
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|---|---|---|---|---|
| FR2070927A5 (en) * | 1969-12-11 | 1971-09-17 | Arretche Jean Raymond | |
| CN1943940A (en) * | 2006-11-14 | 2007-04-11 | 贵州群建齿轮有限公司 | Method for processing gear inner hole key groove and special device |
| DE102007063444A1 (en) * | 2007-12-21 | 2009-06-25 | Volkswagen Ag | Broaching method for making hole or outer surface of workpiece in profile form, involves performing machining process and molding process in two manufacturing steps, respectively, where steps are temporally performed by broaching needle |
| CN101780563A (en) * | 2009-01-15 | 2010-07-21 | 许晓华 | Combined cutting tool for keywaying |
| CN102581372A (en) * | 2012-03-15 | 2012-07-18 | 成都芬尼克兹机电设备有限公司 | Hole machining push-type broach group and hole structure machining method |
| CN104057153A (en) * | 2013-03-20 | 2014-09-24 | 泰州市里华齿轮厂 | Progressive broaching device for processing internal gear ring |
| CN104070193A (en) * | 2014-06-25 | 2014-10-01 | 苏州创丰精密五金有限公司 | Push broach |
| CN204018869U (en) * | 2014-07-23 | 2014-12-17 | 烟台安信精密机械有限公司 | A kind of splined precision system of processing |
| CN206029281U (en) * | 2016-09-29 | 2017-03-22 | 宁波城市职业技术学院 | Pin wheel housing needle perforation adds clamping apparatus |
| CN210817751U (en) * | 2019-08-14 | 2020-06-23 | 浙江亿洋工具制造有限公司 | Arc forming cutter for solid wrench |
| CN213646158U (en) * | 2020-10-19 | 2021-07-09 | 中能（天津）智能传动设备有限公司 | Trimming push broach with semicircular tooth form of inner gear ring |
-
2020
- 2020-10-19 CN CN202011116485.2A patent/CN112247275B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2070927A5 (en) * | 1969-12-11 | 1971-09-17 | Arretche Jean Raymond | |
| CN1943940A (en) * | 2006-11-14 | 2007-04-11 | 贵州群建齿轮有限公司 | Method for processing gear inner hole key groove and special device |
| DE102007063444A1 (en) * | 2007-12-21 | 2009-06-25 | Volkswagen Ag | Broaching method for making hole or outer surface of workpiece in profile form, involves performing machining process and molding process in two manufacturing steps, respectively, where steps are temporally performed by broaching needle |
| CN101780563A (en) * | 2009-01-15 | 2010-07-21 | 许晓华 | Combined cutting tool for keywaying |
| WO2010081306A1 (en) * | 2009-01-15 | 2010-07-22 | 许晓华 | Combined broach for machining keyway |
| CN102581372A (en) * | 2012-03-15 | 2012-07-18 | 成都芬尼克兹机电设备有限公司 | Hole machining push-type broach group and hole structure machining method |
| CN104057153A (en) * | 2013-03-20 | 2014-09-24 | 泰州市里华齿轮厂 | Progressive broaching device for processing internal gear ring |
| CN104070193A (en) * | 2014-06-25 | 2014-10-01 | 苏州创丰精密五金有限公司 | Push broach |
| CN204018869U (en) * | 2014-07-23 | 2014-12-17 | 烟台安信精密机械有限公司 | A kind of splined precision system of processing |
| CN206029281U (en) * | 2016-09-29 | 2017-03-22 | 宁波城市职业技术学院 | Pin wheel housing needle perforation adds clamping apparatus |
| CN210817751U (en) * | 2019-08-14 | 2020-06-23 | 浙江亿洋工具制造有限公司 | Arc forming cutter for solid wrench |
| CN213646158U (en) * | 2020-10-19 | 2021-07-09 | 中能（天津）智能传动设备有限公司 | Trimming push broach with semicircular tooth form of inner gear ring |
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| CN112247275B (en) | 2025-07-11 |
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